xref: /openbmc/linux/drivers/scsi/qla2xxx/qla_os.c (revision 278002edb19bce2c628fafb0af936e77000f3a5b)
1  // SPDX-License-Identifier: GPL-2.0-only
2  /*
3   * QLogic Fibre Channel HBA Driver
4   * Copyright (c)  2003-2014 QLogic Corporation
5   */
6  #include "qla_def.h"
7  
8  #include <linux/moduleparam.h>
9  #include <linux/vmalloc.h>
10  #include <linux/delay.h>
11  #include <linux/kthread.h>
12  #include <linux/mutex.h>
13  #include <linux/kobject.h>
14  #include <linux/slab.h>
15  #include <linux/blk-mq-pci.h>
16  #include <linux/refcount.h>
17  #include <linux/crash_dump.h>
18  #include <linux/trace_events.h>
19  #include <linux/trace.h>
20  
21  #include <scsi/scsi_tcq.h>
22  #include <scsi/scsicam.h>
23  #include <scsi/scsi_transport.h>
24  #include <scsi/scsi_transport_fc.h>
25  
26  #include "qla_target.h"
27  
28  /*
29   * Driver version
30   */
31  char qla2x00_version_str[40];
32  
33  static int apidev_major;
34  
35  /*
36   * SRB allocation cache
37   */
38  struct kmem_cache *srb_cachep;
39  
40  static struct trace_array *qla_trc_array;
41  
42  int ql2xfulldump_on_mpifail;
43  module_param(ql2xfulldump_on_mpifail, int, S_IRUGO | S_IWUSR);
44  MODULE_PARM_DESC(ql2xfulldump_on_mpifail,
45  		 "Set this to take full dump on MPI hang.");
46  
47  int ql2xenforce_iocb_limit = 2;
48  module_param(ql2xenforce_iocb_limit, int, S_IRUGO | S_IWUSR);
49  MODULE_PARM_DESC(ql2xenforce_iocb_limit,
50  		 "Enforce IOCB throttling, to avoid FW congestion. (default: 2) "
51  		 "1: track usage per queue, 2: track usage per adapter");
52  
53  /*
54   * CT6 CTX allocation cache
55   */
56  static struct kmem_cache *ctx_cachep;
57  /*
58   * error level for logging
59   */
60  uint ql_errlev = 0x8001;
61  
62  int ql2xsecenable;
63  module_param(ql2xsecenable, int, S_IRUGO);
64  MODULE_PARM_DESC(ql2xsecenable,
65  	"Enable/disable security. 0(Default) - Security disabled. 1 - Security enabled.");
66  
67  static int ql2xenableclass2;
68  module_param(ql2xenableclass2, int, S_IRUGO|S_IRUSR);
69  MODULE_PARM_DESC(ql2xenableclass2,
70  		"Specify if Class 2 operations are supported from the very "
71  		"beginning. Default is 0 - class 2 not supported.");
72  
73  
74  int ql2xlogintimeout = 20;
75  module_param(ql2xlogintimeout, int, S_IRUGO);
76  MODULE_PARM_DESC(ql2xlogintimeout,
77  		"Login timeout value in seconds.");
78  
79  int qlport_down_retry;
80  module_param(qlport_down_retry, int, S_IRUGO);
81  MODULE_PARM_DESC(qlport_down_retry,
82  		"Maximum number of command retries to a port that returns "
83  		"a PORT-DOWN status.");
84  
85  int ql2xplogiabsentdevice;
86  module_param(ql2xplogiabsentdevice, int, S_IRUGO|S_IWUSR);
87  MODULE_PARM_DESC(ql2xplogiabsentdevice,
88  		"Option to enable PLOGI to devices that are not present after "
89  		"a Fabric scan.  This is needed for several broken switches. "
90  		"Default is 0 - no PLOGI. 1 - perform PLOGI.");
91  
92  int ql2xloginretrycount;
93  module_param(ql2xloginretrycount, int, S_IRUGO);
94  MODULE_PARM_DESC(ql2xloginretrycount,
95  		"Specify an alternate value for the NVRAM login retry count.");
96  
97  int ql2xallocfwdump = 1;
98  module_param(ql2xallocfwdump, int, S_IRUGO);
99  MODULE_PARM_DESC(ql2xallocfwdump,
100  		"Option to enable allocation of memory for a firmware dump "
101  		"during HBA initialization.  Memory allocation requirements "
102  		"vary by ISP type.  Default is 1 - allocate memory.");
103  
104  int ql2xextended_error_logging;
105  module_param(ql2xextended_error_logging, int, S_IRUGO|S_IWUSR);
106  module_param_named(logging, ql2xextended_error_logging, int, S_IRUGO|S_IWUSR);
107  MODULE_PARM_DESC(ql2xextended_error_logging,
108  		"Option to enable extended error logging,\n"
109  		"\t\tDefault is 0 - no logging.  0x40000000 - Module Init & Probe.\n"
110  		"\t\t0x20000000 - Mailbox Cmnds. 0x10000000 - Device Discovery.\n"
111  		"\t\t0x08000000 - IO tracing.    0x04000000 - DPC Thread.\n"
112  		"\t\t0x02000000 - Async events.  0x01000000 - Timer routines.\n"
113  		"\t\t0x00800000 - User space.    0x00400000 - Task Management.\n"
114  		"\t\t0x00200000 - AER/EEH.       0x00100000 - Multi Q.\n"
115  		"\t\t0x00080000 - P3P Specific.  0x00040000 - Virtual Port.\n"
116  		"\t\t0x00020000 - Buffer Dump.   0x00010000 - Misc.\n"
117  		"\t\t0x00008000 - Verbose.       0x00004000 - Target.\n"
118  		"\t\t0x00002000 - Target Mgmt.   0x00001000 - Target TMF.\n"
119  		"\t\t0x7fffffff - For enabling all logs, can be too many logs.\n"
120  		"\t\t0x1e400000 - Preferred value for capturing essential "
121  		"debug information (equivalent to old "
122  		"ql2xextended_error_logging=1).\n"
123  		"\t\tDo LOGICAL OR of the value to enable more than one level");
124  
125  int ql2xextended_error_logging_ktrace = 1;
126  module_param(ql2xextended_error_logging_ktrace, int, S_IRUGO|S_IWUSR);
127  MODULE_PARM_DESC(ql2xextended_error_logging_ktrace,
128  		"Same BIT definition as ql2xextended_error_logging, but used to control logging to kernel trace buffer (default=1).\n");
129  
130  int ql2xshiftctondsd = 6;
131  module_param(ql2xshiftctondsd, int, S_IRUGO);
132  MODULE_PARM_DESC(ql2xshiftctondsd,
133  		"Set to control shifting of command type processing "
134  		"based on total number of SG elements.");
135  
136  int ql2xfdmienable = 1;
137  module_param(ql2xfdmienable, int, S_IRUGO|S_IWUSR);
138  module_param_named(fdmi, ql2xfdmienable, int, S_IRUGO|S_IWUSR);
139  MODULE_PARM_DESC(ql2xfdmienable,
140  		"Enables FDMI registrations. "
141  		"0 - no FDMI registrations. "
142  		"1 - provide FDMI registrations (default).");
143  
144  #define MAX_Q_DEPTH	64
145  static int ql2xmaxqdepth = MAX_Q_DEPTH;
146  module_param(ql2xmaxqdepth, int, S_IRUGO|S_IWUSR);
147  MODULE_PARM_DESC(ql2xmaxqdepth,
148  		"Maximum queue depth to set for each LUN. "
149  		"Default is 64.");
150  
151  int ql2xenabledif = 2;
152  module_param(ql2xenabledif, int, S_IRUGO);
153  MODULE_PARM_DESC(ql2xenabledif,
154  		" Enable T10-CRC-DIF:\n"
155  		" Default is 2.\n"
156  		"  0 -- No DIF Support\n"
157  		"  1 -- Enable DIF for all types\n"
158  		"  2 -- Enable DIF for all types, except Type 0.\n");
159  
160  #if (IS_ENABLED(CONFIG_NVME_FC))
161  int ql2xnvmeenable = 1;
162  #else
163  int ql2xnvmeenable;
164  #endif
165  module_param(ql2xnvmeenable, int, 0644);
166  MODULE_PARM_DESC(ql2xnvmeenable,
167      "Enables NVME support. "
168      "0 - no NVMe.  Default is Y");
169  
170  int ql2xenablehba_err_chk = 2;
171  module_param(ql2xenablehba_err_chk, int, S_IRUGO|S_IWUSR);
172  MODULE_PARM_DESC(ql2xenablehba_err_chk,
173  		" Enable T10-CRC-DIF Error isolation by HBA:\n"
174  		" Default is 2.\n"
175  		"  0 -- Error isolation disabled\n"
176  		"  1 -- Error isolation enabled only for DIX Type 0\n"
177  		"  2 -- Error isolation enabled for all Types\n");
178  
179  int ql2xiidmaenable = 1;
180  module_param(ql2xiidmaenable, int, S_IRUGO);
181  MODULE_PARM_DESC(ql2xiidmaenable,
182  		"Enables iIDMA settings "
183  		"Default is 1 - perform iIDMA. 0 - no iIDMA.");
184  
185  int ql2xmqsupport = 1;
186  module_param(ql2xmqsupport, int, S_IRUGO);
187  MODULE_PARM_DESC(ql2xmqsupport,
188  		"Enable on demand multiple queue pairs support "
189  		"Default is 1 for supported. "
190  		"Set it to 0 to turn off mq qpair support.");
191  
192  int ql2xfwloadbin;
193  module_param(ql2xfwloadbin, int, S_IRUGO|S_IWUSR);
194  module_param_named(fwload, ql2xfwloadbin, int, S_IRUGO|S_IWUSR);
195  MODULE_PARM_DESC(ql2xfwloadbin,
196  		"Option to specify location from which to load ISP firmware:.\n"
197  		" 2 -- load firmware via the request_firmware() (hotplug).\n"
198  		"      interface.\n"
199  		" 1 -- load firmware from flash.\n"
200  		" 0 -- use default semantics.\n");
201  
202  int ql2xetsenable;
203  module_param(ql2xetsenable, int, S_IRUGO);
204  MODULE_PARM_DESC(ql2xetsenable,
205  		"Enables firmware ETS burst."
206  		"Default is 0 - skip ETS enablement.");
207  
208  int ql2xdbwr = 1;
209  module_param(ql2xdbwr, int, S_IRUGO|S_IWUSR);
210  MODULE_PARM_DESC(ql2xdbwr,
211  		"Option to specify scheme for request queue posting.\n"
212  		" 0 -- Regular doorbell.\n"
213  		" 1 -- CAMRAM doorbell (faster).\n");
214  
215  int ql2xgffidenable;
216  module_param(ql2xgffidenable, int, S_IRUGO);
217  MODULE_PARM_DESC(ql2xgffidenable,
218  		"Enables GFF_ID checks of port type. "
219  		"Default is 0 - Do not use GFF_ID information.");
220  
221  int ql2xasynctmfenable = 1;
222  module_param(ql2xasynctmfenable, int, S_IRUGO);
223  MODULE_PARM_DESC(ql2xasynctmfenable,
224  		"Enables issue of TM IOCBs asynchronously via IOCB mechanism"
225  		"Default is 1 - Issue TM IOCBs via mailbox mechanism.");
226  
227  int ql2xdontresethba;
228  module_param(ql2xdontresethba, int, S_IRUGO|S_IWUSR);
229  MODULE_PARM_DESC(ql2xdontresethba,
230  		"Option to specify reset behaviour.\n"
231  		" 0 (Default) -- Reset on failure.\n"
232  		" 1 -- Do not reset on failure.\n");
233  
234  uint64_t ql2xmaxlun = MAX_LUNS;
235  module_param(ql2xmaxlun, ullong, S_IRUGO);
236  MODULE_PARM_DESC(ql2xmaxlun,
237  		"Defines the maximum LU number to register with the SCSI "
238  		"midlayer. Default is 65535.");
239  
240  int ql2xmdcapmask = 0x1F;
241  module_param(ql2xmdcapmask, int, S_IRUGO);
242  MODULE_PARM_DESC(ql2xmdcapmask,
243  		"Set the Minidump driver capture mask level. "
244  		"Default is 0x1F - Can be set to 0x3, 0x7, 0xF, 0x1F, 0x7F.");
245  
246  int ql2xmdenable = 1;
247  module_param(ql2xmdenable, int, S_IRUGO);
248  MODULE_PARM_DESC(ql2xmdenable,
249  		"Enable/disable MiniDump. "
250  		"0 - MiniDump disabled. "
251  		"1 (Default) - MiniDump enabled.");
252  
253  int ql2xexlogins;
254  module_param(ql2xexlogins, uint, S_IRUGO|S_IWUSR);
255  MODULE_PARM_DESC(ql2xexlogins,
256  		 "Number of extended Logins. "
257  		 "0 (Default)- Disabled.");
258  
259  int ql2xexchoffld = 1024;
260  module_param(ql2xexchoffld, uint, 0644);
261  MODULE_PARM_DESC(ql2xexchoffld,
262  	"Number of target exchanges.");
263  
264  int ql2xiniexchg = 1024;
265  module_param(ql2xiniexchg, uint, 0644);
266  MODULE_PARM_DESC(ql2xiniexchg,
267  	"Number of initiator exchanges.");
268  
269  int ql2xfwholdabts;
270  module_param(ql2xfwholdabts, int, S_IRUGO);
271  MODULE_PARM_DESC(ql2xfwholdabts,
272  		"Allow FW to hold status IOCB until ABTS rsp received. "
273  		"0 (Default) Do not set fw option. "
274  		"1 - Set fw option to hold ABTS.");
275  
276  int ql2xmvasynctoatio = 1;
277  module_param(ql2xmvasynctoatio, int, S_IRUGO|S_IWUSR);
278  MODULE_PARM_DESC(ql2xmvasynctoatio,
279  		"Move PUREX, ABTS RX and RIDA IOCBs to ATIOQ"
280  		"0 (Default). Do not move IOCBs"
281  		"1 - Move IOCBs.");
282  
283  int ql2xautodetectsfp = 1;
284  module_param(ql2xautodetectsfp, int, 0444);
285  MODULE_PARM_DESC(ql2xautodetectsfp,
286  		 "Detect SFP range and set appropriate distance.\n"
287  		 "1 (Default): Enable\n");
288  
289  int ql2xenablemsix = 1;
290  module_param(ql2xenablemsix, int, 0444);
291  MODULE_PARM_DESC(ql2xenablemsix,
292  		 "Set to enable MSI or MSI-X interrupt mechanism.\n"
293  		 " Default is 1, enable MSI-X interrupt mechanism.\n"
294  		 " 0 -- enable traditional pin-based mechanism.\n"
295  		 " 1 -- enable MSI-X interrupt mechanism.\n"
296  		 " 2 -- enable MSI interrupt mechanism.\n");
297  
298  int qla2xuseresexchforels;
299  module_param(qla2xuseresexchforels, int, 0444);
300  MODULE_PARM_DESC(qla2xuseresexchforels,
301  		 "Reserve 1/2 of emergency exchanges for ELS.\n"
302  		 " 0 (default): disabled");
303  
304  static int ql2xprotmask;
305  module_param(ql2xprotmask, int, 0644);
306  MODULE_PARM_DESC(ql2xprotmask,
307  		 "Override DIF/DIX protection capabilities mask\n"
308  		 "Default is 0 which sets protection mask based on "
309  		 "capabilities reported by HBA firmware.\n");
310  
311  static int ql2xprotguard;
312  module_param(ql2xprotguard, int, 0644);
313  MODULE_PARM_DESC(ql2xprotguard, "Override choice of DIX checksum\n"
314  		 "  0 -- Let HBA firmware decide\n"
315  		 "  1 -- Force T10 CRC\n"
316  		 "  2 -- Force IP checksum\n");
317  
318  int ql2xdifbundlinginternalbuffers;
319  module_param(ql2xdifbundlinginternalbuffers, int, 0644);
320  MODULE_PARM_DESC(ql2xdifbundlinginternalbuffers,
321      "Force using internal buffers for DIF information\n"
322      "0 (Default). Based on check.\n"
323      "1 Force using internal buffers\n");
324  
325  int ql2xsmartsan;
326  module_param(ql2xsmartsan, int, 0444);
327  module_param_named(smartsan, ql2xsmartsan, int, 0444);
328  MODULE_PARM_DESC(ql2xsmartsan,
329  		"Send SmartSAN Management Attributes for FDMI Registration."
330  		" Default is 0 - No SmartSAN registration,"
331  		" 1 - Register SmartSAN Management Attributes.");
332  
333  int ql2xrdpenable;
334  module_param(ql2xrdpenable, int, 0444);
335  module_param_named(rdpenable, ql2xrdpenable, int, 0444);
336  MODULE_PARM_DESC(ql2xrdpenable,
337  		"Enables RDP responses. "
338  		"0 - no RDP responses (default). "
339  		"1 - provide RDP responses.");
340  int ql2xabts_wait_nvme = 1;
341  module_param(ql2xabts_wait_nvme, int, 0444);
342  MODULE_PARM_DESC(ql2xabts_wait_nvme,
343  		 "To wait for ABTS response on I/O timeouts for NVMe. (default: 1)");
344  
345  
346  static u32 ql2xdelay_before_pci_error_handling = 5;
347  module_param(ql2xdelay_before_pci_error_handling, uint, 0644);
348  MODULE_PARM_DESC(ql2xdelay_before_pci_error_handling,
349  	"Number of seconds delayed before qla begin PCI error self-handling (default: 5).\n");
350  
351  static void qla2x00_clear_drv_active(struct qla_hw_data *);
352  static void qla2x00_free_device(scsi_qla_host_t *);
353  static void qla2xxx_map_queues(struct Scsi_Host *shost);
354  static void qla2x00_destroy_deferred_work(struct qla_hw_data *);
355  
356  u32 ql2xnvme_queues = DEF_NVME_HW_QUEUES;
357  module_param(ql2xnvme_queues, uint, S_IRUGO);
358  MODULE_PARM_DESC(ql2xnvme_queues,
359  	"Number of NVMe Queues that can be configured.\n"
360  	"Final value will be min(ql2xnvme_queues, num_cpus,num_chip_queues)\n"
361  	"1 - Minimum number of queues supported\n"
362  	"8 - Default value");
363  
364  int ql2xfc2target = 1;
365  module_param(ql2xfc2target, int, 0444);
366  MODULE_PARM_DESC(qla2xfc2target,
367  		  "Enables FC2 Target support. "
368  		  "0 - FC2 Target support is disabled. "
369  		  "1 - FC2 Target support is enabled (default).");
370  
371  static struct scsi_transport_template *qla2xxx_transport_template = NULL;
372  struct scsi_transport_template *qla2xxx_transport_vport_template = NULL;
373  
374  /* TODO Convert to inlines
375   *
376   * Timer routines
377   */
378  
379  __inline__ void
qla2x00_start_timer(scsi_qla_host_t * vha,unsigned long interval)380  qla2x00_start_timer(scsi_qla_host_t *vha, unsigned long interval)
381  {
382  	timer_setup(&vha->timer, qla2x00_timer, 0);
383  	vha->timer.expires = jiffies + interval * HZ;
384  	add_timer(&vha->timer);
385  	vha->timer_active = 1;
386  }
387  
388  static inline void
qla2x00_restart_timer(scsi_qla_host_t * vha,unsigned long interval)389  qla2x00_restart_timer(scsi_qla_host_t *vha, unsigned long interval)
390  {
391  	/* Currently used for 82XX only. */
392  	if (vha->device_flags & DFLG_DEV_FAILED) {
393  		ql_dbg(ql_dbg_timer, vha, 0x600d,
394  		    "Device in a failed state, returning.\n");
395  		return;
396  	}
397  
398  	mod_timer(&vha->timer, jiffies + interval * HZ);
399  }
400  
401  static __inline__ void
qla2x00_stop_timer(scsi_qla_host_t * vha)402  qla2x00_stop_timer(scsi_qla_host_t *vha)
403  {
404  	del_timer_sync(&vha->timer);
405  	vha->timer_active = 0;
406  }
407  
408  static int qla2x00_do_dpc(void *data);
409  
410  static void qla2x00_rst_aen(scsi_qla_host_t *);
411  
412  static int qla2x00_mem_alloc(struct qla_hw_data *, uint16_t, uint16_t,
413  	struct req_que **, struct rsp_que **);
414  static void qla2x00_free_fw_dump(struct qla_hw_data *);
415  static void qla2x00_mem_free(struct qla_hw_data *);
416  int qla2xxx_mqueuecommand(struct Scsi_Host *host, struct scsi_cmnd *cmd,
417  	struct qla_qpair *qpair);
418  
419  /* -------------------------------------------------------------------------- */
qla_init_base_qpair(struct scsi_qla_host * vha,struct req_que * req,struct rsp_que * rsp)420  static void qla_init_base_qpair(struct scsi_qla_host *vha, struct req_que *req,
421      struct rsp_que *rsp)
422  {
423  	struct qla_hw_data *ha = vha->hw;
424  
425  	rsp->qpair = ha->base_qpair;
426  	rsp->req = req;
427  	ha->base_qpair->hw = ha;
428  	ha->base_qpair->req = req;
429  	ha->base_qpair->rsp = rsp;
430  	ha->base_qpair->vha = vha;
431  	ha->base_qpair->qp_lock_ptr = &ha->hardware_lock;
432  	ha->base_qpair->use_shadow_reg = IS_SHADOW_REG_CAPABLE(ha) ? 1 : 0;
433  	ha->base_qpair->msix = &ha->msix_entries[QLA_MSIX_RSP_Q];
434  	ha->base_qpair->srb_mempool = ha->srb_mempool;
435  	INIT_LIST_HEAD(&ha->base_qpair->hints_list);
436  	INIT_LIST_HEAD(&ha->base_qpair->dsd_list);
437  	ha->base_qpair->enable_class_2 = ql2xenableclass2;
438  	/* init qpair to this cpu. Will adjust at run time. */
439  	qla_cpu_update(rsp->qpair, raw_smp_processor_id());
440  	ha->base_qpair->pdev = ha->pdev;
441  
442  	if (IS_QLA27XX(ha) || IS_QLA83XX(ha) || IS_QLA28XX(ha))
443  		ha->base_qpair->reqq_start_iocbs = qla_83xx_start_iocbs;
444  }
445  
qla2x00_alloc_queues(struct qla_hw_data * ha,struct req_que * req,struct rsp_que * rsp)446  static int qla2x00_alloc_queues(struct qla_hw_data *ha, struct req_que *req,
447  				struct rsp_que *rsp)
448  {
449  	scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
450  
451  	ha->req_q_map = kcalloc(ha->max_req_queues, sizeof(struct req_que *),
452  				GFP_KERNEL);
453  	if (!ha->req_q_map) {
454  		ql_log(ql_log_fatal, vha, 0x003b,
455  		    "Unable to allocate memory for request queue ptrs.\n");
456  		goto fail_req_map;
457  	}
458  
459  	ha->rsp_q_map = kcalloc(ha->max_rsp_queues, sizeof(struct rsp_que *),
460  				GFP_KERNEL);
461  	if (!ha->rsp_q_map) {
462  		ql_log(ql_log_fatal, vha, 0x003c,
463  		    "Unable to allocate memory for response queue ptrs.\n");
464  		goto fail_rsp_map;
465  	}
466  
467  	ha->base_qpair = kzalloc(sizeof(struct qla_qpair), GFP_KERNEL);
468  	if (ha->base_qpair == NULL) {
469  		ql_log(ql_log_warn, vha, 0x00e0,
470  		    "Failed to allocate base queue pair memory.\n");
471  		goto fail_base_qpair;
472  	}
473  
474  	qla_init_base_qpair(vha, req, rsp);
475  
476  	if ((ql2xmqsupport || ql2xnvmeenable) && ha->max_qpairs) {
477  		ha->queue_pair_map = kcalloc(ha->max_qpairs, sizeof(struct qla_qpair *),
478  			GFP_KERNEL);
479  		if (!ha->queue_pair_map) {
480  			ql_log(ql_log_fatal, vha, 0x0180,
481  			    "Unable to allocate memory for queue pair ptrs.\n");
482  			goto fail_qpair_map;
483  		}
484  		if (qla_mapq_alloc_qp_cpu_map(ha) != 0) {
485  			kfree(ha->queue_pair_map);
486  			ha->queue_pair_map = NULL;
487  			goto fail_qpair_map;
488  		}
489  	}
490  
491  	/*
492  	 * Make sure we record at least the request and response queue zero in
493  	 * case we need to free them if part of the probe fails.
494  	 */
495  	ha->rsp_q_map[0] = rsp;
496  	ha->req_q_map[0] = req;
497  	set_bit(0, ha->rsp_qid_map);
498  	set_bit(0, ha->req_qid_map);
499  	return 0;
500  
501  fail_qpair_map:
502  	kfree(ha->base_qpair);
503  	ha->base_qpair = NULL;
504  fail_base_qpair:
505  	kfree(ha->rsp_q_map);
506  	ha->rsp_q_map = NULL;
507  fail_rsp_map:
508  	kfree(ha->req_q_map);
509  	ha->req_q_map = NULL;
510  fail_req_map:
511  	return -ENOMEM;
512  }
513  
qla2x00_free_req_que(struct qla_hw_data * ha,struct req_que * req)514  static void qla2x00_free_req_que(struct qla_hw_data *ha, struct req_que *req)
515  {
516  	if (IS_QLAFX00(ha)) {
517  		if (req && req->ring_fx00)
518  			dma_free_coherent(&ha->pdev->dev,
519  			    (req->length_fx00 + 1) * sizeof(request_t),
520  			    req->ring_fx00, req->dma_fx00);
521  	} else if (req && req->ring)
522  		dma_free_coherent(&ha->pdev->dev,
523  		(req->length + 1) * sizeof(request_t),
524  		req->ring, req->dma);
525  
526  	if (req)
527  		kfree(req->outstanding_cmds);
528  
529  	kfree(req);
530  }
531  
qla2x00_free_rsp_que(struct qla_hw_data * ha,struct rsp_que * rsp)532  static void qla2x00_free_rsp_que(struct qla_hw_data *ha, struct rsp_que *rsp)
533  {
534  	if (IS_QLAFX00(ha)) {
535  		if (rsp && rsp->ring_fx00)
536  			dma_free_coherent(&ha->pdev->dev,
537  			    (rsp->length_fx00 + 1) * sizeof(request_t),
538  			    rsp->ring_fx00, rsp->dma_fx00);
539  	} else if (rsp && rsp->ring) {
540  		dma_free_coherent(&ha->pdev->dev,
541  		(rsp->length + 1) * sizeof(response_t),
542  		rsp->ring, rsp->dma);
543  	}
544  	kfree(rsp);
545  }
546  
qla2x00_free_queues(struct qla_hw_data * ha)547  static void qla2x00_free_queues(struct qla_hw_data *ha)
548  {
549  	struct req_que *req;
550  	struct rsp_que *rsp;
551  	int cnt;
552  	unsigned long flags;
553  
554  	if (ha->queue_pair_map) {
555  		kfree(ha->queue_pair_map);
556  		ha->queue_pair_map = NULL;
557  	}
558  	if (ha->base_qpair) {
559  		kfree(ha->base_qpair);
560  		ha->base_qpair = NULL;
561  	}
562  
563  	qla_mapq_free_qp_cpu_map(ha);
564  	spin_lock_irqsave(&ha->hardware_lock, flags);
565  	for (cnt = 0; cnt < ha->max_req_queues; cnt++) {
566  		if (!test_bit(cnt, ha->req_qid_map))
567  			continue;
568  
569  		req = ha->req_q_map[cnt];
570  		clear_bit(cnt, ha->req_qid_map);
571  		ha->req_q_map[cnt] = NULL;
572  
573  		spin_unlock_irqrestore(&ha->hardware_lock, flags);
574  		qla2x00_free_req_que(ha, req);
575  		spin_lock_irqsave(&ha->hardware_lock, flags);
576  	}
577  	spin_unlock_irqrestore(&ha->hardware_lock, flags);
578  
579  	kfree(ha->req_q_map);
580  	ha->req_q_map = NULL;
581  
582  
583  	spin_lock_irqsave(&ha->hardware_lock, flags);
584  	for (cnt = 0; cnt < ha->max_rsp_queues; cnt++) {
585  		if (!test_bit(cnt, ha->rsp_qid_map))
586  			continue;
587  
588  		rsp = ha->rsp_q_map[cnt];
589  		clear_bit(cnt, ha->rsp_qid_map);
590  		ha->rsp_q_map[cnt] =  NULL;
591  		spin_unlock_irqrestore(&ha->hardware_lock, flags);
592  		qla2x00_free_rsp_que(ha, rsp);
593  		spin_lock_irqsave(&ha->hardware_lock, flags);
594  	}
595  	spin_unlock_irqrestore(&ha->hardware_lock, flags);
596  
597  	kfree(ha->rsp_q_map);
598  	ha->rsp_q_map = NULL;
599  }
600  
601  static char *
qla2x00_pci_info_str(struct scsi_qla_host * vha,char * str,size_t str_len)602  qla2x00_pci_info_str(struct scsi_qla_host *vha, char *str, size_t str_len)
603  {
604  	struct qla_hw_data *ha = vha->hw;
605  	static const char *const pci_bus_modes[] = {
606  		"33", "66", "100", "133",
607  	};
608  	uint16_t pci_bus;
609  
610  	pci_bus = (ha->pci_attr & (BIT_9 | BIT_10)) >> 9;
611  	if (pci_bus) {
612  		snprintf(str, str_len, "PCI-X (%s MHz)",
613  			 pci_bus_modes[pci_bus]);
614  	} else {
615  		pci_bus = (ha->pci_attr & BIT_8) >> 8;
616  		snprintf(str, str_len, "PCI (%s MHz)", pci_bus_modes[pci_bus]);
617  	}
618  
619  	return str;
620  }
621  
622  static char *
qla24xx_pci_info_str(struct scsi_qla_host * vha,char * str,size_t str_len)623  qla24xx_pci_info_str(struct scsi_qla_host *vha, char *str, size_t str_len)
624  {
625  	static const char *const pci_bus_modes[] = {
626  		"33", "66", "100", "133",
627  	};
628  	struct qla_hw_data *ha = vha->hw;
629  	uint32_t pci_bus;
630  
631  	if (pci_is_pcie(ha->pdev)) {
632  		uint32_t lstat, lspeed, lwidth;
633  		const char *speed_str;
634  
635  		pcie_capability_read_dword(ha->pdev, PCI_EXP_LNKCAP, &lstat);
636  		lspeed = lstat & PCI_EXP_LNKCAP_SLS;
637  		lwidth = (lstat & PCI_EXP_LNKCAP_MLW) >> 4;
638  
639  		switch (lspeed) {
640  		case 1:
641  			speed_str = "2.5GT/s";
642  			break;
643  		case 2:
644  			speed_str = "5.0GT/s";
645  			break;
646  		case 3:
647  			speed_str = "8.0GT/s";
648  			break;
649  		case 4:
650  			speed_str = "16.0GT/s";
651  			break;
652  		default:
653  			speed_str = "<unknown>";
654  			break;
655  		}
656  		snprintf(str, str_len, "PCIe (%s x%d)", speed_str, lwidth);
657  
658  		return str;
659  	}
660  
661  	pci_bus = (ha->pci_attr & CSRX_PCIX_BUS_MODE_MASK) >> 8;
662  	if (pci_bus == 0 || pci_bus == 8)
663  		snprintf(str, str_len, "PCI (%s MHz)",
664  			 pci_bus_modes[pci_bus >> 3]);
665  	else
666  		snprintf(str, str_len, "PCI-X Mode %d (%s MHz)",
667  			 pci_bus & 4 ? 2 : 1,
668  			 pci_bus_modes[pci_bus & 3]);
669  
670  	return str;
671  }
672  
673  static char *
qla2x00_fw_version_str(struct scsi_qla_host * vha,char * str,size_t size)674  qla2x00_fw_version_str(struct scsi_qla_host *vha, char *str, size_t size)
675  {
676  	char un_str[10];
677  	struct qla_hw_data *ha = vha->hw;
678  
679  	snprintf(str, size, "%d.%02d.%02d ", ha->fw_major_version,
680  	    ha->fw_minor_version, ha->fw_subminor_version);
681  
682  	if (ha->fw_attributes & BIT_9) {
683  		strcat(str, "FLX");
684  		return (str);
685  	}
686  
687  	switch (ha->fw_attributes & 0xFF) {
688  	case 0x7:
689  		strcat(str, "EF");
690  		break;
691  	case 0x17:
692  		strcat(str, "TP");
693  		break;
694  	case 0x37:
695  		strcat(str, "IP");
696  		break;
697  	case 0x77:
698  		strcat(str, "VI");
699  		break;
700  	default:
701  		sprintf(un_str, "(%x)", ha->fw_attributes);
702  		strcat(str, un_str);
703  		break;
704  	}
705  	if (ha->fw_attributes & 0x100)
706  		strcat(str, "X");
707  
708  	return (str);
709  }
710  
711  static char *
qla24xx_fw_version_str(struct scsi_qla_host * vha,char * str,size_t size)712  qla24xx_fw_version_str(struct scsi_qla_host *vha, char *str, size_t size)
713  {
714  	struct qla_hw_data *ha = vha->hw;
715  
716  	snprintf(str, size, "%d.%02d.%02d (%x)", ha->fw_major_version,
717  	    ha->fw_minor_version, ha->fw_subminor_version, ha->fw_attributes);
718  	return str;
719  }
720  
qla2x00_sp_free_dma(srb_t * sp)721  void qla2x00_sp_free_dma(srb_t *sp)
722  {
723  	struct qla_hw_data *ha = sp->vha->hw;
724  	struct scsi_cmnd *cmd = GET_CMD_SP(sp);
725  
726  	if (sp->flags & SRB_DMA_VALID) {
727  		scsi_dma_unmap(cmd);
728  		sp->flags &= ~SRB_DMA_VALID;
729  	}
730  
731  	if (sp->flags & SRB_CRC_PROT_DMA_VALID) {
732  		dma_unmap_sg(&ha->pdev->dev, scsi_prot_sglist(cmd),
733  		    scsi_prot_sg_count(cmd), cmd->sc_data_direction);
734  		sp->flags &= ~SRB_CRC_PROT_DMA_VALID;
735  	}
736  
737  	if (sp->flags & SRB_CRC_CTX_DSD_VALID) {
738  		/* List assured to be having elements */
739  		qla2x00_clean_dsd_pool(ha, sp->u.scmd.crc_ctx);
740  		sp->flags &= ~SRB_CRC_CTX_DSD_VALID;
741  	}
742  
743  	if (sp->flags & SRB_CRC_CTX_DMA_VALID) {
744  		struct crc_context *ctx0 = sp->u.scmd.crc_ctx;
745  
746  		dma_pool_free(ha->dl_dma_pool, ctx0, ctx0->crc_ctx_dma);
747  		sp->flags &= ~SRB_CRC_CTX_DMA_VALID;
748  	}
749  
750  	if (sp->flags & SRB_FCP_CMND_DMA_VALID) {
751  		struct ct6_dsd *ctx1 = &sp->u.scmd.ct6_ctx;
752  
753  		dma_pool_free(ha->fcp_cmnd_dma_pool, ctx1->fcp_cmnd,
754  		    ctx1->fcp_cmnd_dma);
755  		list_splice(&ctx1->dsd_list, &sp->qpair->dsd_list);
756  		sp->qpair->dsd_inuse -= ctx1->dsd_use_cnt;
757  		sp->qpair->dsd_avail += ctx1->dsd_use_cnt;
758  	}
759  
760  	if (sp->flags & SRB_GOT_BUF)
761  		qla_put_buf(sp->qpair, &sp->u.scmd.buf_dsc);
762  }
763  
qla2x00_sp_compl(srb_t * sp,int res)764  void qla2x00_sp_compl(srb_t *sp, int res)
765  {
766  	struct scsi_cmnd *cmd = GET_CMD_SP(sp);
767  	struct completion *comp = sp->comp;
768  
769  	/* kref: INIT */
770  	kref_put(&sp->cmd_kref, qla2x00_sp_release);
771  	cmd->result = res;
772  	sp->type = 0;
773  	scsi_done(cmd);
774  	if (comp)
775  		complete(comp);
776  }
777  
qla2xxx_qpair_sp_free_dma(srb_t * sp)778  void qla2xxx_qpair_sp_free_dma(srb_t *sp)
779  {
780  	struct scsi_cmnd *cmd = GET_CMD_SP(sp);
781  	struct qla_hw_data *ha = sp->fcport->vha->hw;
782  
783  	if (sp->flags & SRB_DMA_VALID) {
784  		scsi_dma_unmap(cmd);
785  		sp->flags &= ~SRB_DMA_VALID;
786  	}
787  
788  	if (sp->flags & SRB_CRC_PROT_DMA_VALID) {
789  		dma_unmap_sg(&ha->pdev->dev, scsi_prot_sglist(cmd),
790  		    scsi_prot_sg_count(cmd), cmd->sc_data_direction);
791  		sp->flags &= ~SRB_CRC_PROT_DMA_VALID;
792  	}
793  
794  	if (sp->flags & SRB_CRC_CTX_DSD_VALID) {
795  		/* List assured to be having elements */
796  		qla2x00_clean_dsd_pool(ha, sp->u.scmd.crc_ctx);
797  		sp->flags &= ~SRB_CRC_CTX_DSD_VALID;
798  	}
799  
800  	if (sp->flags & SRB_DIF_BUNDL_DMA_VALID) {
801  		struct crc_context *difctx = sp->u.scmd.crc_ctx;
802  		struct dsd_dma *dif_dsd, *nxt_dsd;
803  
804  		list_for_each_entry_safe(dif_dsd, nxt_dsd,
805  		    &difctx->ldif_dma_hndl_list, list) {
806  			list_del(&dif_dsd->list);
807  			dma_pool_free(ha->dif_bundl_pool, dif_dsd->dsd_addr,
808  			    dif_dsd->dsd_list_dma);
809  			kfree(dif_dsd);
810  			difctx->no_dif_bundl--;
811  		}
812  
813  		list_for_each_entry_safe(dif_dsd, nxt_dsd,
814  		    &difctx->ldif_dsd_list, list) {
815  			list_del(&dif_dsd->list);
816  			dma_pool_free(ha->dl_dma_pool, dif_dsd->dsd_addr,
817  			    dif_dsd->dsd_list_dma);
818  			kfree(dif_dsd);
819  			difctx->no_ldif_dsd--;
820  		}
821  
822  		if (difctx->no_ldif_dsd) {
823  			ql_dbg(ql_dbg_tgt+ql_dbg_verbose, sp->vha, 0xe022,
824  			    "%s: difctx->no_ldif_dsd=%x\n",
825  			    __func__, difctx->no_ldif_dsd);
826  		}
827  
828  		if (difctx->no_dif_bundl) {
829  			ql_dbg(ql_dbg_tgt+ql_dbg_verbose, sp->vha, 0xe022,
830  			    "%s: difctx->no_dif_bundl=%x\n",
831  			    __func__, difctx->no_dif_bundl);
832  		}
833  		sp->flags &= ~SRB_DIF_BUNDL_DMA_VALID;
834  	}
835  
836  	if (sp->flags & SRB_FCP_CMND_DMA_VALID) {
837  		struct ct6_dsd *ctx1 = &sp->u.scmd.ct6_ctx;
838  
839  		dma_pool_free(ha->fcp_cmnd_dma_pool, ctx1->fcp_cmnd,
840  		    ctx1->fcp_cmnd_dma);
841  		list_splice(&ctx1->dsd_list, &sp->qpair->dsd_list);
842  		sp->qpair->dsd_inuse -= ctx1->dsd_use_cnt;
843  		sp->qpair->dsd_avail += ctx1->dsd_use_cnt;
844  		sp->flags &= ~SRB_FCP_CMND_DMA_VALID;
845  	}
846  
847  	if (sp->flags & SRB_CRC_CTX_DMA_VALID) {
848  		struct crc_context *ctx0 = sp->u.scmd.crc_ctx;
849  
850  		dma_pool_free(ha->dl_dma_pool, ctx0, ctx0->crc_ctx_dma);
851  		sp->flags &= ~SRB_CRC_CTX_DMA_VALID;
852  	}
853  
854  	if (sp->flags & SRB_GOT_BUF)
855  		qla_put_buf(sp->qpair, &sp->u.scmd.buf_dsc);
856  }
857  
qla2xxx_qpair_sp_compl(srb_t * sp,int res)858  void qla2xxx_qpair_sp_compl(srb_t *sp, int res)
859  {
860  	struct scsi_cmnd *cmd = GET_CMD_SP(sp);
861  	struct completion *comp = sp->comp;
862  
863  	/* ref: INIT */
864  	kref_put(&sp->cmd_kref, qla2x00_sp_release);
865  	cmd->result = res;
866  	sp->type = 0;
867  	scsi_done(cmd);
868  	if (comp)
869  		complete(comp);
870  }
871  
872  static int
qla2xxx_queuecommand(struct Scsi_Host * host,struct scsi_cmnd * cmd)873  qla2xxx_queuecommand(struct Scsi_Host *host, struct scsi_cmnd *cmd)
874  {
875  	scsi_qla_host_t *vha = shost_priv(host);
876  	fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
877  	struct fc_rport *rport = starget_to_rport(scsi_target(cmd->device));
878  	struct qla_hw_data *ha = vha->hw;
879  	struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
880  	srb_t *sp;
881  	int rval;
882  
883  	if (unlikely(test_bit(UNLOADING, &base_vha->dpc_flags)) ||
884  	    WARN_ON_ONCE(!rport)) {
885  		cmd->result = DID_NO_CONNECT << 16;
886  		goto qc24_fail_command;
887  	}
888  
889  	if (ha->mqenable) {
890  		uint32_t tag;
891  		uint16_t hwq;
892  		struct qla_qpair *qpair = NULL;
893  
894  		tag = blk_mq_unique_tag(scsi_cmd_to_rq(cmd));
895  		hwq = blk_mq_unique_tag_to_hwq(tag);
896  		qpair = ha->queue_pair_map[hwq];
897  
898  		if (qpair)
899  			return qla2xxx_mqueuecommand(host, cmd, qpair);
900  	}
901  
902  	if (ha->flags.eeh_busy) {
903  		if (ha->flags.pci_channel_io_perm_failure) {
904  			ql_dbg(ql_dbg_aer, vha, 0x9010,
905  			    "PCI Channel IO permanent failure, exiting "
906  			    "cmd=%p.\n", cmd);
907  			cmd->result = DID_NO_CONNECT << 16;
908  		} else {
909  			ql_dbg(ql_dbg_aer, vha, 0x9011,
910  			    "EEH_Busy, Requeuing the cmd=%p.\n", cmd);
911  			cmd->result = DID_REQUEUE << 16;
912  		}
913  		goto qc24_fail_command;
914  	}
915  
916  	rval = fc_remote_port_chkready(rport);
917  	if (rval) {
918  		cmd->result = rval;
919  		ql_dbg(ql_dbg_io + ql_dbg_verbose, vha, 0x3003,
920  		    "fc_remote_port_chkready failed for cmd=%p, rval=0x%x.\n",
921  		    cmd, rval);
922  		goto qc24_fail_command;
923  	}
924  
925  	if (!vha->flags.difdix_supported &&
926  		scsi_get_prot_op(cmd) != SCSI_PROT_NORMAL) {
927  			ql_dbg(ql_dbg_io, vha, 0x3004,
928  			    "DIF Cap not reg, fail DIF capable cmd's:%p.\n",
929  			    cmd);
930  			cmd->result = DID_NO_CONNECT << 16;
931  			goto qc24_fail_command;
932  	}
933  
934  	if (!fcport || fcport->deleted) {
935  		cmd->result = DID_IMM_RETRY << 16;
936  		goto qc24_fail_command;
937  	}
938  
939  	if (atomic_read(&fcport->state) != FCS_ONLINE || fcport->deleted) {
940  		if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD ||
941  			atomic_read(&base_vha->loop_state) == LOOP_DEAD) {
942  			ql_dbg(ql_dbg_io, vha, 0x3005,
943  			    "Returning DNC, fcport_state=%d loop_state=%d.\n",
944  			    atomic_read(&fcport->state),
945  			    atomic_read(&base_vha->loop_state));
946  			cmd->result = DID_NO_CONNECT << 16;
947  			goto qc24_fail_command;
948  		}
949  		goto qc24_target_busy;
950  	}
951  
952  	/*
953  	 * Return target busy if we've received a non-zero retry_delay_timer
954  	 * in a FCP_RSP.
955  	 */
956  	if (fcport->retry_delay_timestamp == 0) {
957  		/* retry delay not set */
958  	} else if (time_after(jiffies, fcport->retry_delay_timestamp))
959  		fcport->retry_delay_timestamp = 0;
960  	else
961  		goto qc24_target_busy;
962  
963  	sp = scsi_cmd_priv(cmd);
964  	/* ref: INIT */
965  	qla2xxx_init_sp(sp, vha, vha->hw->base_qpair, fcport);
966  
967  	sp->u.scmd.cmd = cmd;
968  	sp->type = SRB_SCSI_CMD;
969  	sp->free = qla2x00_sp_free_dma;
970  	sp->done = qla2x00_sp_compl;
971  
972  	rval = ha->isp_ops->start_scsi(sp);
973  	if (rval != QLA_SUCCESS) {
974  		ql_dbg(ql_dbg_io + ql_dbg_verbose, vha, 0x3013,
975  		    "Start scsi failed rval=%d for cmd=%p.\n", rval, cmd);
976  		goto qc24_host_busy_free_sp;
977  	}
978  
979  	return 0;
980  
981  qc24_host_busy_free_sp:
982  	/* ref: INIT */
983  	kref_put(&sp->cmd_kref, qla2x00_sp_release);
984  
985  qc24_target_busy:
986  	return SCSI_MLQUEUE_TARGET_BUSY;
987  
988  qc24_fail_command:
989  	scsi_done(cmd);
990  
991  	return 0;
992  }
993  
994  /* For MQ supported I/O */
995  int
qla2xxx_mqueuecommand(struct Scsi_Host * host,struct scsi_cmnd * cmd,struct qla_qpair * qpair)996  qla2xxx_mqueuecommand(struct Scsi_Host *host, struct scsi_cmnd *cmd,
997      struct qla_qpair *qpair)
998  {
999  	scsi_qla_host_t *vha = shost_priv(host);
1000  	fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
1001  	struct fc_rport *rport = starget_to_rport(scsi_target(cmd->device));
1002  	struct qla_hw_data *ha = vha->hw;
1003  	struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
1004  	srb_t *sp;
1005  	int rval;
1006  
1007  	rval = rport ? fc_remote_port_chkready(rport) : (DID_NO_CONNECT << 16);
1008  	if (rval) {
1009  		cmd->result = rval;
1010  		ql_dbg(ql_dbg_io + ql_dbg_verbose, vha, 0x3076,
1011  		    "fc_remote_port_chkready failed for cmd=%p, rval=0x%x.\n",
1012  		    cmd, rval);
1013  		goto qc24_fail_command;
1014  	}
1015  
1016  	if (!qpair->online) {
1017  		ql_dbg(ql_dbg_io, vha, 0x3077,
1018  		       "qpair not online. eeh_busy=%d.\n", ha->flags.eeh_busy);
1019  		cmd->result = DID_NO_CONNECT << 16;
1020  		goto qc24_fail_command;
1021  	}
1022  
1023  	if (!fcport || fcport->deleted) {
1024  		cmd->result = DID_IMM_RETRY << 16;
1025  		goto qc24_fail_command;
1026  	}
1027  
1028  	if (atomic_read(&fcport->state) != FCS_ONLINE || fcport->deleted) {
1029  		if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD ||
1030  			atomic_read(&base_vha->loop_state) == LOOP_DEAD) {
1031  			ql_dbg(ql_dbg_io, vha, 0x3077,
1032  			    "Returning DNC, fcport_state=%d loop_state=%d.\n",
1033  			    atomic_read(&fcport->state),
1034  			    atomic_read(&base_vha->loop_state));
1035  			cmd->result = DID_NO_CONNECT << 16;
1036  			goto qc24_fail_command;
1037  		}
1038  		goto qc24_target_busy;
1039  	}
1040  
1041  	/*
1042  	 * Return target busy if we've received a non-zero retry_delay_timer
1043  	 * in a FCP_RSP.
1044  	 */
1045  	if (fcport->retry_delay_timestamp == 0) {
1046  		/* retry delay not set */
1047  	} else if (time_after(jiffies, fcport->retry_delay_timestamp))
1048  		fcport->retry_delay_timestamp = 0;
1049  	else
1050  		goto qc24_target_busy;
1051  
1052  	sp = scsi_cmd_priv(cmd);
1053  	/* ref: INIT */
1054  	qla2xxx_init_sp(sp, vha, qpair, fcport);
1055  
1056  	sp->u.scmd.cmd = cmd;
1057  	sp->type = SRB_SCSI_CMD;
1058  	sp->free = qla2xxx_qpair_sp_free_dma;
1059  	sp->done = qla2xxx_qpair_sp_compl;
1060  
1061  	rval = ha->isp_ops->start_scsi_mq(sp);
1062  	if (rval != QLA_SUCCESS) {
1063  		ql_dbg(ql_dbg_io + ql_dbg_verbose, vha, 0x3078,
1064  		    "Start scsi failed rval=%d for cmd=%p.\n", rval, cmd);
1065  		goto qc24_host_busy_free_sp;
1066  	}
1067  
1068  	return 0;
1069  
1070  qc24_host_busy_free_sp:
1071  	/* ref: INIT */
1072  	kref_put(&sp->cmd_kref, qla2x00_sp_release);
1073  
1074  qc24_target_busy:
1075  	return SCSI_MLQUEUE_TARGET_BUSY;
1076  
1077  qc24_fail_command:
1078  	scsi_done(cmd);
1079  
1080  	return 0;
1081  }
1082  
1083  /*
1084   * qla2x00_wait_for_hba_online
1085   *    Wait till the HBA is online after going through
1086   *    <= MAX_RETRIES_OF_ISP_ABORT  or
1087   *    finally HBA is disabled ie marked offline
1088   *
1089   * Input:
1090   *     ha - pointer to host adapter structure
1091   *
1092   * Note:
1093   *    Does context switching-Release SPIN_LOCK
1094   *    (if any) before calling this routine.
1095   *
1096   * Return:
1097   *    Success (Adapter is online) : 0
1098   *    Failed  (Adapter is offline/disabled) : 1
1099   */
1100  int
qla2x00_wait_for_hba_online(scsi_qla_host_t * vha)1101  qla2x00_wait_for_hba_online(scsi_qla_host_t *vha)
1102  {
1103  	int		return_status;
1104  	unsigned long	wait_online;
1105  	struct qla_hw_data *ha = vha->hw;
1106  	scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
1107  
1108  	wait_online = jiffies + (MAX_LOOP_TIMEOUT * HZ);
1109  	while (((test_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags)) ||
1110  	    test_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags) ||
1111  	    test_bit(ISP_ABORT_RETRY, &base_vha->dpc_flags) ||
1112  	    ha->dpc_active) && time_before(jiffies, wait_online)) {
1113  
1114  		msleep(1000);
1115  	}
1116  	if (base_vha->flags.online)
1117  		return_status = QLA_SUCCESS;
1118  	else
1119  		return_status = QLA_FUNCTION_FAILED;
1120  
1121  	return (return_status);
1122  }
1123  
test_fcport_count(scsi_qla_host_t * vha)1124  static inline int test_fcport_count(scsi_qla_host_t *vha)
1125  {
1126  	struct qla_hw_data *ha = vha->hw;
1127  	unsigned long flags;
1128  	int res;
1129  	/* Return 0 = sleep, x=wake */
1130  
1131  	spin_lock_irqsave(&ha->tgt.sess_lock, flags);
1132  	ql_dbg(ql_dbg_init, vha, 0x00ec,
1133  	    "tgt %p, fcport_count=%d\n",
1134  	    vha, vha->fcport_count);
1135  	res = (vha->fcport_count == 0);
1136  	if  (res) {
1137  		struct fc_port *fcport;
1138  
1139  		list_for_each_entry(fcport, &vha->vp_fcports, list) {
1140  			if (fcport->deleted != QLA_SESS_DELETED) {
1141  				/* session(s) may not be fully logged in
1142  				 * (ie fcport_count=0), but session
1143  				 * deletion thread(s) may be inflight.
1144  				 */
1145  
1146  				res = 0;
1147  				break;
1148  			}
1149  		}
1150  	}
1151  	spin_unlock_irqrestore(&ha->tgt.sess_lock, flags);
1152  
1153  	return res;
1154  }
1155  
1156  /*
1157   * qla2x00_wait_for_sess_deletion can only be called from remove_one.
1158   * it has dependency on UNLOADING flag to stop device discovery
1159   */
1160  void
qla2x00_wait_for_sess_deletion(scsi_qla_host_t * vha)1161  qla2x00_wait_for_sess_deletion(scsi_qla_host_t *vha)
1162  {
1163  	u8 i;
1164  
1165  	qla2x00_mark_all_devices_lost(vha);
1166  
1167  	for (i = 0; i < 10; i++) {
1168  		if (wait_event_timeout(vha->fcport_waitQ,
1169  		    test_fcport_count(vha), HZ) > 0)
1170  			break;
1171  	}
1172  
1173  	flush_workqueue(vha->hw->wq);
1174  }
1175  
1176  /*
1177   * qla2x00_wait_for_hba_ready
1178   * Wait till the HBA is ready before doing driver unload
1179   *
1180   * Input:
1181   *     ha - pointer to host adapter structure
1182   *
1183   * Note:
1184   *    Does context switching-Release SPIN_LOCK
1185   *    (if any) before calling this routine.
1186   *
1187   */
1188  static void
qla2x00_wait_for_hba_ready(scsi_qla_host_t * vha)1189  qla2x00_wait_for_hba_ready(scsi_qla_host_t *vha)
1190  {
1191  	struct qla_hw_data *ha = vha->hw;
1192  	scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
1193  
1194  	while ((qla2x00_reset_active(vha) || ha->dpc_active ||
1195  		ha->flags.mbox_busy) ||
1196  	       test_bit(FX00_RESET_RECOVERY, &vha->dpc_flags) ||
1197  	       test_bit(FX00_TARGET_SCAN, &vha->dpc_flags)) {
1198  		if (test_bit(UNLOADING, &base_vha->dpc_flags))
1199  			break;
1200  		msleep(1000);
1201  	}
1202  }
1203  
1204  int
qla2x00_wait_for_chip_reset(scsi_qla_host_t * vha)1205  qla2x00_wait_for_chip_reset(scsi_qla_host_t *vha)
1206  {
1207  	int		return_status;
1208  	unsigned long	wait_reset;
1209  	struct qla_hw_data *ha = vha->hw;
1210  	scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
1211  
1212  	wait_reset = jiffies + (MAX_LOOP_TIMEOUT * HZ);
1213  	while (((test_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags)) ||
1214  	    test_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags) ||
1215  	    test_bit(ISP_ABORT_RETRY, &base_vha->dpc_flags) ||
1216  	    ha->dpc_active) && time_before(jiffies, wait_reset)) {
1217  
1218  		msleep(1000);
1219  
1220  		if (!test_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags) &&
1221  		    ha->flags.chip_reset_done)
1222  			break;
1223  	}
1224  	if (ha->flags.chip_reset_done)
1225  		return_status = QLA_SUCCESS;
1226  	else
1227  		return_status = QLA_FUNCTION_FAILED;
1228  
1229  	return return_status;
1230  }
1231  
1232  /**************************************************************************
1233  * qla2xxx_eh_abort
1234  *
1235  * Description:
1236  *    The abort function will abort the specified command.
1237  *
1238  * Input:
1239  *    cmd = Linux SCSI command packet to be aborted.
1240  *
1241  * Returns:
1242  *    Either SUCCESS or FAILED.
1243  *
1244  * Note:
1245  *    Only return FAILED if command not returned by firmware.
1246  **************************************************************************/
1247  static int
qla2xxx_eh_abort(struct scsi_cmnd * cmd)1248  qla2xxx_eh_abort(struct scsi_cmnd *cmd)
1249  {
1250  	scsi_qla_host_t *vha = shost_priv(cmd->device->host);
1251  	DECLARE_COMPLETION_ONSTACK(comp);
1252  	srb_t *sp;
1253  	int ret;
1254  	unsigned int id;
1255  	uint64_t lun;
1256  	int rval;
1257  	struct qla_hw_data *ha = vha->hw;
1258  	uint32_t ratov_j;
1259  	struct qla_qpair *qpair;
1260  	unsigned long flags;
1261  	int fast_fail_status = SUCCESS;
1262  
1263  	if (qla2x00_isp_reg_stat(ha)) {
1264  		ql_log(ql_log_info, vha, 0x8042,
1265  		    "PCI/Register disconnect, exiting.\n");
1266  		qla_pci_set_eeh_busy(vha);
1267  		return FAILED;
1268  	}
1269  
1270  	/* Save any FAST_IO_FAIL value to return later if abort succeeds */
1271  	ret = fc_block_scsi_eh(cmd);
1272  	if (ret != 0)
1273  		fast_fail_status = ret;
1274  
1275  	sp = scsi_cmd_priv(cmd);
1276  	qpair = sp->qpair;
1277  
1278  	vha->cmd_timeout_cnt++;
1279  
1280  	if ((sp->fcport && sp->fcport->deleted) || !qpair)
1281  		return fast_fail_status != SUCCESS ? fast_fail_status : FAILED;
1282  
1283  	spin_lock_irqsave(qpair->qp_lock_ptr, flags);
1284  	sp->comp = &comp;
1285  	spin_unlock_irqrestore(qpair->qp_lock_ptr, flags);
1286  
1287  
1288  	id = cmd->device->id;
1289  	lun = cmd->device->lun;
1290  
1291  	ql_dbg(ql_dbg_taskm, vha, 0x8002,
1292  	    "Aborting from RISC nexus=%ld:%d:%llu sp=%p cmd=%p handle=%x\n",
1293  	    vha->host_no, id, lun, sp, cmd, sp->handle);
1294  
1295  	/*
1296  	 * Abort will release the original Command/sp from FW. Let the
1297  	 * original command call scsi_done. In return, he will wakeup
1298  	 * this sleeping thread.
1299  	 */
1300  	rval = ha->isp_ops->abort_command(sp);
1301  
1302  	ql_dbg(ql_dbg_taskm, vha, 0x8003,
1303  	       "Abort command mbx cmd=%p, rval=%x.\n", cmd, rval);
1304  
1305  	/* Wait for the command completion. */
1306  	ratov_j = ha->r_a_tov/10 * 4 * 1000;
1307  	ratov_j = msecs_to_jiffies(ratov_j);
1308  	switch (rval) {
1309  	case QLA_SUCCESS:
1310  		if (!wait_for_completion_timeout(&comp, ratov_j)) {
1311  			ql_dbg(ql_dbg_taskm, vha, 0xffff,
1312  			    "%s: Abort wait timer (4 * R_A_TOV[%d]) expired\n",
1313  			    __func__, ha->r_a_tov/10);
1314  			ret = FAILED;
1315  		} else {
1316  			ret = fast_fail_status;
1317  		}
1318  		break;
1319  	default:
1320  		ret = FAILED;
1321  		break;
1322  	}
1323  
1324  	sp->comp = NULL;
1325  
1326  	ql_log(ql_log_info, vha, 0x801c,
1327  	    "Abort command issued nexus=%ld:%d:%llu -- %x.\n",
1328  	    vha->host_no, id, lun, ret);
1329  
1330  	return ret;
1331  }
1332  
1333  #define ABORT_POLLING_PERIOD	1000
1334  #define ABORT_WAIT_ITER		((2 * 1000) / (ABORT_POLLING_PERIOD))
1335  
1336  /*
1337   * Returns: QLA_SUCCESS or QLA_FUNCTION_FAILED.
1338   */
1339  static int
__qla2x00_eh_wait_for_pending_commands(struct qla_qpair * qpair,unsigned int t,uint64_t l,enum nexus_wait_type type)1340  __qla2x00_eh_wait_for_pending_commands(struct qla_qpair *qpair, unsigned int t,
1341  				       uint64_t l, enum nexus_wait_type type)
1342  {
1343  	int cnt, match, status;
1344  	unsigned long flags;
1345  	scsi_qla_host_t *vha = qpair->vha;
1346  	struct req_que *req = qpair->req;
1347  	srb_t *sp;
1348  	struct scsi_cmnd *cmd;
1349  	unsigned long wait_iter = ABORT_WAIT_ITER;
1350  	bool found;
1351  	struct qla_hw_data *ha = vha->hw;
1352  
1353  	status = QLA_SUCCESS;
1354  
1355  	while (wait_iter--) {
1356  		found = false;
1357  
1358  		spin_lock_irqsave(qpair->qp_lock_ptr, flags);
1359  		for (cnt = 1; cnt < req->num_outstanding_cmds; cnt++) {
1360  			sp = req->outstanding_cmds[cnt];
1361  			if (!sp)
1362  				continue;
1363  			if (sp->type != SRB_SCSI_CMD)
1364  				continue;
1365  			if (vha->vp_idx != sp->vha->vp_idx)
1366  				continue;
1367  			match = 0;
1368  			cmd = GET_CMD_SP(sp);
1369  			switch (type) {
1370  			case WAIT_HOST:
1371  				match = 1;
1372  				break;
1373  			case WAIT_TARGET:
1374  				if (sp->fcport)
1375  					match = sp->fcport->d_id.b24 == t;
1376  				else
1377  					match = 0;
1378  				break;
1379  			case WAIT_LUN:
1380  				if (sp->fcport)
1381  					match = (sp->fcport->d_id.b24 == t &&
1382  						cmd->device->lun == l);
1383  				else
1384  					match = 0;
1385  				break;
1386  			}
1387  			if (!match)
1388  				continue;
1389  
1390  			spin_unlock_irqrestore(qpair->qp_lock_ptr, flags);
1391  
1392  			if (unlikely(pci_channel_offline(ha->pdev)) ||
1393  			    ha->flags.eeh_busy) {
1394  				ql_dbg(ql_dbg_taskm, vha, 0x8005,
1395  				    "Return:eh_wait.\n");
1396  				return status;
1397  			}
1398  
1399  			/*
1400  			 * SRB_SCSI_CMD is still in the outstanding_cmds array.
1401  			 * it means scsi_done has not called. Wait for it to
1402  			 * clear from outstanding_cmds.
1403  			 */
1404  			msleep(ABORT_POLLING_PERIOD);
1405  			spin_lock_irqsave(qpair->qp_lock_ptr, flags);
1406  			found = true;
1407  		}
1408  		spin_unlock_irqrestore(qpair->qp_lock_ptr, flags);
1409  
1410  		if (!found)
1411  			break;
1412  	}
1413  
1414  	if (wait_iter == -1)
1415  		status = QLA_FUNCTION_FAILED;
1416  
1417  	return status;
1418  }
1419  
1420  int
qla2x00_eh_wait_for_pending_commands(scsi_qla_host_t * vha,unsigned int t,uint64_t l,enum nexus_wait_type type)1421  qla2x00_eh_wait_for_pending_commands(scsi_qla_host_t *vha, unsigned int t,
1422  				     uint64_t l, enum nexus_wait_type type)
1423  {
1424  	struct qla_qpair *qpair;
1425  	struct qla_hw_data *ha = vha->hw;
1426  	int i, status = QLA_SUCCESS;
1427  
1428  	status = __qla2x00_eh_wait_for_pending_commands(ha->base_qpair, t, l,
1429  							type);
1430  	for (i = 0; status == QLA_SUCCESS && i < ha->max_qpairs; i++) {
1431  		qpair = ha->queue_pair_map[i];
1432  		if (!qpair)
1433  			continue;
1434  		status = __qla2x00_eh_wait_for_pending_commands(qpair, t, l,
1435  								type);
1436  	}
1437  	return status;
1438  }
1439  
1440  static char *reset_errors[] = {
1441  	"HBA not online",
1442  	"HBA not ready",
1443  	"Task management failed",
1444  	"Waiting for command completions",
1445  };
1446  
1447  static int
qla2xxx_eh_device_reset(struct scsi_cmnd * cmd)1448  qla2xxx_eh_device_reset(struct scsi_cmnd *cmd)
1449  {
1450  	struct scsi_device *sdev = cmd->device;
1451  	scsi_qla_host_t *vha = shost_priv(sdev->host);
1452  	struct fc_rport *rport = starget_to_rport(scsi_target(sdev));
1453  	fc_port_t *fcport = (struct fc_port *) sdev->hostdata;
1454  	struct qla_hw_data *ha = vha->hw;
1455  	int err;
1456  
1457  	if (qla2x00_isp_reg_stat(ha)) {
1458  		ql_log(ql_log_info, vha, 0x803e,
1459  		    "PCI/Register disconnect, exiting.\n");
1460  		qla_pci_set_eeh_busy(vha);
1461  		return FAILED;
1462  	}
1463  
1464  	if (!fcport) {
1465  		return FAILED;
1466  	}
1467  
1468  	err = fc_block_rport(rport);
1469  	if (err != 0)
1470  		return err;
1471  
1472  	if (fcport->deleted)
1473  		return FAILED;
1474  
1475  	ql_log(ql_log_info, vha, 0x8009,
1476  	    "DEVICE RESET ISSUED nexus=%ld:%d:%llu cmd=%p.\n", vha->host_no,
1477  	    sdev->id, sdev->lun, cmd);
1478  
1479  	err = 0;
1480  	if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) {
1481  		ql_log(ql_log_warn, vha, 0x800a,
1482  		    "Wait for hba online failed for cmd=%p.\n", cmd);
1483  		goto eh_reset_failed;
1484  	}
1485  	err = 2;
1486  	if (ha->isp_ops->lun_reset(fcport, sdev->lun, 1)
1487  		!= QLA_SUCCESS) {
1488  		ql_log(ql_log_warn, vha, 0x800c,
1489  		    "do_reset failed for cmd=%p.\n", cmd);
1490  		goto eh_reset_failed;
1491  	}
1492  	err = 3;
1493  	if (qla2x00_eh_wait_for_pending_commands(vha, fcport->d_id.b24,
1494  						 cmd->device->lun,
1495  						 WAIT_LUN) != QLA_SUCCESS) {
1496  		ql_log(ql_log_warn, vha, 0x800d,
1497  		    "wait for pending cmds failed for cmd=%p.\n", cmd);
1498  		goto eh_reset_failed;
1499  	}
1500  
1501  	ql_log(ql_log_info, vha, 0x800e,
1502  	    "DEVICE RESET SUCCEEDED nexus:%ld:%d:%llu cmd=%p.\n",
1503  	    vha->host_no, sdev->id, sdev->lun, cmd);
1504  
1505  	return SUCCESS;
1506  
1507  eh_reset_failed:
1508  	ql_log(ql_log_info, vha, 0x800f,
1509  	    "DEVICE RESET FAILED: %s nexus=%ld:%d:%llu cmd=%p.\n",
1510  	    reset_errors[err], vha->host_no, sdev->id, sdev->lun,
1511  	    cmd);
1512  	vha->reset_cmd_err_cnt++;
1513  	return FAILED;
1514  }
1515  
1516  static int
qla2xxx_eh_target_reset(struct scsi_cmnd * cmd)1517  qla2xxx_eh_target_reset(struct scsi_cmnd *cmd)
1518  {
1519  	struct scsi_device *sdev = cmd->device;
1520  	struct fc_rport *rport = starget_to_rport(scsi_target(sdev));
1521  	scsi_qla_host_t *vha = shost_priv(rport_to_shost(rport));
1522  	struct qla_hw_data *ha = vha->hw;
1523  	fc_port_t *fcport = *(fc_port_t **)rport->dd_data;
1524  	int err;
1525  
1526  	if (qla2x00_isp_reg_stat(ha)) {
1527  		ql_log(ql_log_info, vha, 0x803f,
1528  		    "PCI/Register disconnect, exiting.\n");
1529  		qla_pci_set_eeh_busy(vha);
1530  		return FAILED;
1531  	}
1532  
1533  	if (!fcport) {
1534  		return FAILED;
1535  	}
1536  
1537  	err = fc_block_rport(rport);
1538  	if (err != 0)
1539  		return err;
1540  
1541  	if (fcport->deleted)
1542  		return FAILED;
1543  
1544  	ql_log(ql_log_info, vha, 0x8009,
1545  	    "TARGET RESET ISSUED nexus=%ld:%d cmd=%p.\n", vha->host_no,
1546  	    sdev->id, cmd);
1547  
1548  	err = 0;
1549  	if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) {
1550  		ql_log(ql_log_warn, vha, 0x800a,
1551  		    "Wait for hba online failed for cmd=%p.\n", cmd);
1552  		goto eh_reset_failed;
1553  	}
1554  	err = 2;
1555  	if (ha->isp_ops->target_reset(fcport, 0, 0) != QLA_SUCCESS) {
1556  		ql_log(ql_log_warn, vha, 0x800c,
1557  		    "target_reset failed for cmd=%p.\n", cmd);
1558  		goto eh_reset_failed;
1559  	}
1560  	err = 3;
1561  	if (qla2x00_eh_wait_for_pending_commands(vha, fcport->d_id.b24, 0,
1562  						 WAIT_TARGET) != QLA_SUCCESS) {
1563  		ql_log(ql_log_warn, vha, 0x800d,
1564  		    "wait for pending cmds failed for cmd=%p.\n", cmd);
1565  		goto eh_reset_failed;
1566  	}
1567  
1568  	ql_log(ql_log_info, vha, 0x800e,
1569  	    "TARGET RESET SUCCEEDED nexus:%ld:%d cmd=%p.\n",
1570  	    vha->host_no, sdev->id, cmd);
1571  
1572  	return SUCCESS;
1573  
1574  eh_reset_failed:
1575  	ql_log(ql_log_info, vha, 0x800f,
1576  	    "TARGET RESET FAILED: %s nexus=%ld:%d:%llu cmd=%p.\n",
1577  	    reset_errors[err], vha->host_no, cmd->device->id, cmd->device->lun,
1578  	    cmd);
1579  	vha->reset_cmd_err_cnt++;
1580  	return FAILED;
1581  }
1582  
1583  /**************************************************************************
1584  * qla2xxx_eh_bus_reset
1585  *
1586  * Description:
1587  *    The bus reset function will reset the bus and abort any executing
1588  *    commands.
1589  *
1590  * Input:
1591  *    cmd = Linux SCSI command packet of the command that cause the
1592  *          bus reset.
1593  *
1594  * Returns:
1595  *    SUCCESS/FAILURE (defined as macro in scsi.h).
1596  *
1597  **************************************************************************/
1598  static int
qla2xxx_eh_bus_reset(struct scsi_cmnd * cmd)1599  qla2xxx_eh_bus_reset(struct scsi_cmnd *cmd)
1600  {
1601  	scsi_qla_host_t *vha = shost_priv(cmd->device->host);
1602  	int ret = FAILED;
1603  	unsigned int id;
1604  	uint64_t lun;
1605  	struct qla_hw_data *ha = vha->hw;
1606  
1607  	if (qla2x00_isp_reg_stat(ha)) {
1608  		ql_log(ql_log_info, vha, 0x8040,
1609  		    "PCI/Register disconnect, exiting.\n");
1610  		qla_pci_set_eeh_busy(vha);
1611  		return FAILED;
1612  	}
1613  
1614  	id = cmd->device->id;
1615  	lun = cmd->device->lun;
1616  
1617  	if (qla2x00_chip_is_down(vha))
1618  		return ret;
1619  
1620  	ql_log(ql_log_info, vha, 0x8012,
1621  	    "BUS RESET ISSUED nexus=%ld:%d:%llu.\n", vha->host_no, id, lun);
1622  
1623  	if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) {
1624  		ql_log(ql_log_fatal, vha, 0x8013,
1625  		    "Wait for hba online failed board disabled.\n");
1626  		goto eh_bus_reset_done;
1627  	}
1628  
1629  	if (qla2x00_loop_reset(vha) == QLA_SUCCESS)
1630  		ret = SUCCESS;
1631  
1632  	if (ret == FAILED)
1633  		goto eh_bus_reset_done;
1634  
1635  	/* Flush outstanding commands. */
1636  	if (qla2x00_eh_wait_for_pending_commands(vha, 0, 0, WAIT_HOST) !=
1637  	    QLA_SUCCESS) {
1638  		ql_log(ql_log_warn, vha, 0x8014,
1639  		    "Wait for pending commands failed.\n");
1640  		ret = FAILED;
1641  	}
1642  
1643  eh_bus_reset_done:
1644  	ql_log(ql_log_warn, vha, 0x802b,
1645  	    "BUS RESET %s nexus=%ld:%d:%llu.\n",
1646  	    (ret == FAILED) ? "FAILED" : "SUCCEEDED", vha->host_no, id, lun);
1647  
1648  	return ret;
1649  }
1650  
1651  /**************************************************************************
1652  * qla2xxx_eh_host_reset
1653  *
1654  * Description:
1655  *    The reset function will reset the Adapter.
1656  *
1657  * Input:
1658  *      cmd = Linux SCSI command packet of the command that cause the
1659  *            adapter reset.
1660  *
1661  * Returns:
1662  *      Either SUCCESS or FAILED.
1663  *
1664  * Note:
1665  **************************************************************************/
1666  static int
qla2xxx_eh_host_reset(struct scsi_cmnd * cmd)1667  qla2xxx_eh_host_reset(struct scsi_cmnd *cmd)
1668  {
1669  	scsi_qla_host_t *vha = shost_priv(cmd->device->host);
1670  	struct qla_hw_data *ha = vha->hw;
1671  	int ret = FAILED;
1672  	unsigned int id;
1673  	uint64_t lun;
1674  	scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
1675  
1676  	if (qla2x00_isp_reg_stat(ha)) {
1677  		ql_log(ql_log_info, vha, 0x8041,
1678  		    "PCI/Register disconnect, exiting.\n");
1679  		qla_pci_set_eeh_busy(vha);
1680  		return SUCCESS;
1681  	}
1682  
1683  	id = cmd->device->id;
1684  	lun = cmd->device->lun;
1685  
1686  	ql_log(ql_log_info, vha, 0x8018,
1687  	    "ADAPTER RESET ISSUED nexus=%ld:%d:%llu.\n", vha->host_no, id, lun);
1688  
1689  	/*
1690  	 * No point in issuing another reset if one is active.  Also do not
1691  	 * attempt a reset if we are updating flash.
1692  	 */
1693  	if (qla2x00_reset_active(vha) || ha->optrom_state != QLA_SWAITING)
1694  		goto eh_host_reset_lock;
1695  
1696  	if (vha != base_vha) {
1697  		if (qla2x00_vp_abort_isp(vha))
1698  			goto eh_host_reset_lock;
1699  	} else {
1700  		if (IS_P3P_TYPE(vha->hw)) {
1701  			if (!qla82xx_fcoe_ctx_reset(vha)) {
1702  				/* Ctx reset success */
1703  				ret = SUCCESS;
1704  				goto eh_host_reset_lock;
1705  			}
1706  			/* fall thru if ctx reset failed */
1707  		}
1708  		if (ha->wq)
1709  			flush_workqueue(ha->wq);
1710  
1711  		set_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
1712  		if (ha->isp_ops->abort_isp(base_vha)) {
1713  			clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
1714  			/* failed. schedule dpc to try */
1715  			set_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags);
1716  
1717  			if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) {
1718  				ql_log(ql_log_warn, vha, 0x802a,
1719  				    "wait for hba online failed.\n");
1720  				goto eh_host_reset_lock;
1721  			}
1722  		}
1723  		clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
1724  	}
1725  
1726  	/* Waiting for command to be returned to OS.*/
1727  	if (qla2x00_eh_wait_for_pending_commands(vha, 0, 0, WAIT_HOST) ==
1728  		QLA_SUCCESS)
1729  		ret = SUCCESS;
1730  
1731  eh_host_reset_lock:
1732  	ql_log(ql_log_info, vha, 0x8017,
1733  	    "ADAPTER RESET %s nexus=%ld:%d:%llu.\n",
1734  	    (ret == FAILED) ? "FAILED" : "SUCCEEDED", vha->host_no, id, lun);
1735  
1736  	return ret;
1737  }
1738  
1739  /*
1740  * qla2x00_loop_reset
1741  *      Issue loop reset.
1742  *
1743  * Input:
1744  *      ha = adapter block pointer.
1745  *
1746  * Returns:
1747  *      0 = success
1748  */
1749  int
qla2x00_loop_reset(scsi_qla_host_t * vha)1750  qla2x00_loop_reset(scsi_qla_host_t *vha)
1751  {
1752  	int ret;
1753  	struct qla_hw_data *ha = vha->hw;
1754  
1755  	if (IS_QLAFX00(ha))
1756  		return QLA_SUCCESS;
1757  
1758  	if (ha->flags.enable_lip_full_login && !IS_CNA_CAPABLE(ha)) {
1759  		atomic_set(&vha->loop_state, LOOP_DOWN);
1760  		atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
1761  		qla2x00_mark_all_devices_lost(vha);
1762  		ret = qla2x00_full_login_lip(vha);
1763  		if (ret != QLA_SUCCESS) {
1764  			ql_dbg(ql_dbg_taskm, vha, 0x802d,
1765  			    "full_login_lip=%d.\n", ret);
1766  		}
1767  	}
1768  
1769  	if (ha->flags.enable_lip_reset) {
1770  		ret = qla2x00_lip_reset(vha);
1771  		if (ret != QLA_SUCCESS)
1772  			ql_dbg(ql_dbg_taskm, vha, 0x802e,
1773  			    "lip_reset failed (%d).\n", ret);
1774  	}
1775  
1776  	/* Issue marker command only when we are going to start the I/O */
1777  	vha->marker_needed = 1;
1778  
1779  	return QLA_SUCCESS;
1780  }
1781  
1782  /*
1783   * The caller must ensure that no completion interrupts will happen
1784   * while this function is in progress.
1785   */
qla2x00_abort_srb(struct qla_qpair * qp,srb_t * sp,const int res,unsigned long * flags)1786  static void qla2x00_abort_srb(struct qla_qpair *qp, srb_t *sp, const int res,
1787  			      unsigned long *flags)
1788  	__releases(qp->qp_lock_ptr)
1789  	__acquires(qp->qp_lock_ptr)
1790  {
1791  	DECLARE_COMPLETION_ONSTACK(comp);
1792  	scsi_qla_host_t *vha = qp->vha;
1793  	struct qla_hw_data *ha = vha->hw;
1794  	struct scsi_cmnd *cmd = GET_CMD_SP(sp);
1795  	int rval;
1796  	bool ret_cmd;
1797  	uint32_t ratov_j;
1798  
1799  	lockdep_assert_held(qp->qp_lock_ptr);
1800  
1801  	if (qla2x00_chip_is_down(vha)) {
1802  		sp->done(sp, res);
1803  		return;
1804  	}
1805  
1806  	if (sp->type == SRB_NVME_CMD || sp->type == SRB_NVME_LS ||
1807  	    (sp->type == SRB_SCSI_CMD && !ha->flags.eeh_busy &&
1808  	     !test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags) &&
1809  	     !qla2x00_isp_reg_stat(ha))) {
1810  		if (sp->comp) {
1811  			sp->done(sp, res);
1812  			return;
1813  		}
1814  
1815  		sp->comp = &comp;
1816  		spin_unlock_irqrestore(qp->qp_lock_ptr, *flags);
1817  
1818  		rval = ha->isp_ops->abort_command(sp);
1819  		/* Wait for command completion. */
1820  		ret_cmd = false;
1821  		ratov_j = ha->r_a_tov/10 * 4 * 1000;
1822  		ratov_j = msecs_to_jiffies(ratov_j);
1823  		switch (rval) {
1824  		case QLA_SUCCESS:
1825  			if (wait_for_completion_timeout(&comp, ratov_j)) {
1826  				ql_dbg(ql_dbg_taskm, vha, 0xffff,
1827  				    "%s: Abort wait timer (4 * R_A_TOV[%d]) expired\n",
1828  				    __func__, ha->r_a_tov/10);
1829  				ret_cmd = true;
1830  			}
1831  			/* else FW return SP to driver */
1832  			break;
1833  		default:
1834  			ret_cmd = true;
1835  			break;
1836  		}
1837  
1838  		spin_lock_irqsave(qp->qp_lock_ptr, *flags);
1839  		switch (sp->type) {
1840  		case SRB_SCSI_CMD:
1841  			if (ret_cmd && blk_mq_request_started(scsi_cmd_to_rq(cmd)))
1842  				sp->done(sp, res);
1843  			break;
1844  		default:
1845  			if (ret_cmd)
1846  				sp->done(sp, res);
1847  			break;
1848  		}
1849  	} else {
1850  		sp->done(sp, res);
1851  	}
1852  }
1853  
1854  /*
1855   * The caller must ensure that no completion interrupts will happen
1856   * while this function is in progress.
1857   */
1858  static void
__qla2x00_abort_all_cmds(struct qla_qpair * qp,int res)1859  __qla2x00_abort_all_cmds(struct qla_qpair *qp, int res)
1860  {
1861  	int cnt;
1862  	unsigned long flags;
1863  	srb_t *sp;
1864  	scsi_qla_host_t *vha = qp->vha;
1865  	struct qla_hw_data *ha = vha->hw;
1866  	struct req_que *req;
1867  	struct qla_tgt *tgt = vha->vha_tgt.qla_tgt;
1868  	struct qla_tgt_cmd *cmd;
1869  
1870  	if (!ha->req_q_map)
1871  		return;
1872  	spin_lock_irqsave(qp->qp_lock_ptr, flags);
1873  	req = qp->req;
1874  	for (cnt = 1; cnt < req->num_outstanding_cmds; cnt++) {
1875  		sp = req->outstanding_cmds[cnt];
1876  		if (sp) {
1877  			if (qla2x00_chip_is_down(vha)) {
1878  				req->outstanding_cmds[cnt] = NULL;
1879  				sp->done(sp, res);
1880  				continue;
1881  			}
1882  
1883  			switch (sp->cmd_type) {
1884  			case TYPE_SRB:
1885  				qla2x00_abort_srb(qp, sp, res, &flags);
1886  				break;
1887  			case TYPE_TGT_CMD:
1888  				if (!vha->hw->tgt.tgt_ops || !tgt ||
1889  				    qla_ini_mode_enabled(vha)) {
1890  					ql_dbg(ql_dbg_tgt_mgt, vha, 0xf003,
1891  					    "HOST-ABORT-HNDLR: dpc_flags=%lx. Target mode disabled\n",
1892  					    vha->dpc_flags);
1893  					continue;
1894  				}
1895  				cmd = (struct qla_tgt_cmd *)sp;
1896  				cmd->aborted = 1;
1897  				break;
1898  			case TYPE_TGT_TMCMD:
1899  				/* Skip task management functions. */
1900  				break;
1901  			default:
1902  				break;
1903  			}
1904  			req->outstanding_cmds[cnt] = NULL;
1905  		}
1906  	}
1907  	spin_unlock_irqrestore(qp->qp_lock_ptr, flags);
1908  }
1909  
1910  /*
1911   * The caller must ensure that no completion interrupts will happen
1912   * while this function is in progress.
1913   */
1914  void
qla2x00_abort_all_cmds(scsi_qla_host_t * vha,int res)1915  qla2x00_abort_all_cmds(scsi_qla_host_t *vha, int res)
1916  {
1917  	int que;
1918  	struct qla_hw_data *ha = vha->hw;
1919  
1920  	/* Continue only if initialization complete. */
1921  	if (!ha->base_qpair)
1922  		return;
1923  	__qla2x00_abort_all_cmds(ha->base_qpair, res);
1924  
1925  	if (!ha->queue_pair_map)
1926  		return;
1927  	for (que = 0; que < ha->max_qpairs; que++) {
1928  		if (!ha->queue_pair_map[que])
1929  			continue;
1930  
1931  		__qla2x00_abort_all_cmds(ha->queue_pair_map[que], res);
1932  	}
1933  }
1934  
1935  static int
qla2xxx_slave_alloc(struct scsi_device * sdev)1936  qla2xxx_slave_alloc(struct scsi_device *sdev)
1937  {
1938  	struct fc_rport *rport = starget_to_rport(scsi_target(sdev));
1939  
1940  	if (!rport || fc_remote_port_chkready(rport))
1941  		return -ENXIO;
1942  
1943  	sdev->hostdata = *(fc_port_t **)rport->dd_data;
1944  
1945  	return 0;
1946  }
1947  
1948  static int
qla2xxx_slave_configure(struct scsi_device * sdev)1949  qla2xxx_slave_configure(struct scsi_device *sdev)
1950  {
1951  	scsi_qla_host_t *vha = shost_priv(sdev->host);
1952  	struct req_que *req = vha->req;
1953  
1954  	if (IS_T10_PI_CAPABLE(vha->hw))
1955  		blk_queue_update_dma_alignment(sdev->request_queue, 0x7);
1956  
1957  	scsi_change_queue_depth(sdev, req->max_q_depth);
1958  	return 0;
1959  }
1960  
1961  static void
qla2xxx_slave_destroy(struct scsi_device * sdev)1962  qla2xxx_slave_destroy(struct scsi_device *sdev)
1963  {
1964  	sdev->hostdata = NULL;
1965  }
1966  
1967  /**
1968   * qla2x00_config_dma_addressing() - Configure OS DMA addressing method.
1969   * @ha: HA context
1970   *
1971   * At exit, the @ha's flags.enable_64bit_addressing set to indicated
1972   * supported addressing method.
1973   */
1974  static void
qla2x00_config_dma_addressing(struct qla_hw_data * ha)1975  qla2x00_config_dma_addressing(struct qla_hw_data *ha)
1976  {
1977  	/* Assume a 32bit DMA mask. */
1978  	ha->flags.enable_64bit_addressing = 0;
1979  
1980  	if (!dma_set_mask(&ha->pdev->dev, DMA_BIT_MASK(64))) {
1981  		/* Any upper-dword bits set? */
1982  		if (MSD(dma_get_required_mask(&ha->pdev->dev)) &&
1983  		    !dma_set_coherent_mask(&ha->pdev->dev, DMA_BIT_MASK(64))) {
1984  			/* Ok, a 64bit DMA mask is applicable. */
1985  			ha->flags.enable_64bit_addressing = 1;
1986  			ha->isp_ops->calc_req_entries = qla2x00_calc_iocbs_64;
1987  			ha->isp_ops->build_iocbs = qla2x00_build_scsi_iocbs_64;
1988  			return;
1989  		}
1990  	}
1991  
1992  	dma_set_mask(&ha->pdev->dev, DMA_BIT_MASK(32));
1993  	dma_set_coherent_mask(&ha->pdev->dev, DMA_BIT_MASK(32));
1994  }
1995  
1996  static void
qla2x00_enable_intrs(struct qla_hw_data * ha)1997  qla2x00_enable_intrs(struct qla_hw_data *ha)
1998  {
1999  	unsigned long flags = 0;
2000  	struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
2001  
2002  	spin_lock_irqsave(&ha->hardware_lock, flags);
2003  	ha->interrupts_on = 1;
2004  	/* enable risc and host interrupts */
2005  	wrt_reg_word(&reg->ictrl, ICR_EN_INT | ICR_EN_RISC);
2006  	rd_reg_word(&reg->ictrl);
2007  	spin_unlock_irqrestore(&ha->hardware_lock, flags);
2008  
2009  }
2010  
2011  static void
qla2x00_disable_intrs(struct qla_hw_data * ha)2012  qla2x00_disable_intrs(struct qla_hw_data *ha)
2013  {
2014  	unsigned long flags = 0;
2015  	struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
2016  
2017  	spin_lock_irqsave(&ha->hardware_lock, flags);
2018  	ha->interrupts_on = 0;
2019  	/* disable risc and host interrupts */
2020  	wrt_reg_word(&reg->ictrl, 0);
2021  	rd_reg_word(&reg->ictrl);
2022  	spin_unlock_irqrestore(&ha->hardware_lock, flags);
2023  }
2024  
2025  static void
qla24xx_enable_intrs(struct qla_hw_data * ha)2026  qla24xx_enable_intrs(struct qla_hw_data *ha)
2027  {
2028  	unsigned long flags = 0;
2029  	struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
2030  
2031  	spin_lock_irqsave(&ha->hardware_lock, flags);
2032  	ha->interrupts_on = 1;
2033  	wrt_reg_dword(&reg->ictrl, ICRX_EN_RISC_INT);
2034  	rd_reg_dword(&reg->ictrl);
2035  	spin_unlock_irqrestore(&ha->hardware_lock, flags);
2036  }
2037  
2038  static void
qla24xx_disable_intrs(struct qla_hw_data * ha)2039  qla24xx_disable_intrs(struct qla_hw_data *ha)
2040  {
2041  	unsigned long flags = 0;
2042  	struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
2043  
2044  	if (IS_NOPOLLING_TYPE(ha))
2045  		return;
2046  	spin_lock_irqsave(&ha->hardware_lock, flags);
2047  	ha->interrupts_on = 0;
2048  	wrt_reg_dword(&reg->ictrl, 0);
2049  	rd_reg_dword(&reg->ictrl);
2050  	spin_unlock_irqrestore(&ha->hardware_lock, flags);
2051  }
2052  
2053  static int
qla2x00_iospace_config(struct qla_hw_data * ha)2054  qla2x00_iospace_config(struct qla_hw_data *ha)
2055  {
2056  	resource_size_t pio;
2057  	uint16_t msix;
2058  
2059  	if (pci_request_selected_regions(ha->pdev, ha->bars,
2060  	    QLA2XXX_DRIVER_NAME)) {
2061  		ql_log_pci(ql_log_fatal, ha->pdev, 0x0011,
2062  		    "Failed to reserve PIO/MMIO regions (%s), aborting.\n",
2063  		    pci_name(ha->pdev));
2064  		goto iospace_error_exit;
2065  	}
2066  	if (!(ha->bars & 1))
2067  		goto skip_pio;
2068  
2069  	/* We only need PIO for Flash operations on ISP2312 v2 chips. */
2070  	pio = pci_resource_start(ha->pdev, 0);
2071  	if (pci_resource_flags(ha->pdev, 0) & IORESOURCE_IO) {
2072  		if (pci_resource_len(ha->pdev, 0) < MIN_IOBASE_LEN) {
2073  			ql_log_pci(ql_log_warn, ha->pdev, 0x0012,
2074  			    "Invalid pci I/O region size (%s).\n",
2075  			    pci_name(ha->pdev));
2076  			pio = 0;
2077  		}
2078  	} else {
2079  		ql_log_pci(ql_log_warn, ha->pdev, 0x0013,
2080  		    "Region #0 no a PIO resource (%s).\n",
2081  		    pci_name(ha->pdev));
2082  		pio = 0;
2083  	}
2084  	ha->pio_address = pio;
2085  	ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0014,
2086  	    "PIO address=%llu.\n",
2087  	    (unsigned long long)ha->pio_address);
2088  
2089  skip_pio:
2090  	/* Use MMIO operations for all accesses. */
2091  	if (!(pci_resource_flags(ha->pdev, 1) & IORESOURCE_MEM)) {
2092  		ql_log_pci(ql_log_fatal, ha->pdev, 0x0015,
2093  		    "Region #1 not an MMIO resource (%s), aborting.\n",
2094  		    pci_name(ha->pdev));
2095  		goto iospace_error_exit;
2096  	}
2097  	if (pci_resource_len(ha->pdev, 1) < MIN_IOBASE_LEN) {
2098  		ql_log_pci(ql_log_fatal, ha->pdev, 0x0016,
2099  		    "Invalid PCI mem region size (%s), aborting.\n",
2100  		    pci_name(ha->pdev));
2101  		goto iospace_error_exit;
2102  	}
2103  
2104  	ha->iobase = ioremap(pci_resource_start(ha->pdev, 1), MIN_IOBASE_LEN);
2105  	if (!ha->iobase) {
2106  		ql_log_pci(ql_log_fatal, ha->pdev, 0x0017,
2107  		    "Cannot remap MMIO (%s), aborting.\n",
2108  		    pci_name(ha->pdev));
2109  		goto iospace_error_exit;
2110  	}
2111  
2112  	/* Determine queue resources */
2113  	ha->max_req_queues = ha->max_rsp_queues = 1;
2114  	ha->msix_count = QLA_BASE_VECTORS;
2115  
2116  	/* Check if FW supports MQ or not */
2117  	if (!(ha->fw_attributes & BIT_6))
2118  		goto mqiobase_exit;
2119  
2120  	if (!ql2xmqsupport || !ql2xnvmeenable ||
2121  	    (!IS_QLA25XX(ha) && !IS_QLA81XX(ha)))
2122  		goto mqiobase_exit;
2123  
2124  	ha->mqiobase = ioremap(pci_resource_start(ha->pdev, 3),
2125  			pci_resource_len(ha->pdev, 3));
2126  	if (ha->mqiobase) {
2127  		ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0018,
2128  		    "MQIO Base=%p.\n", ha->mqiobase);
2129  		/* Read MSIX vector size of the board */
2130  		pci_read_config_word(ha->pdev, QLA_PCI_MSIX_CONTROL, &msix);
2131  		ha->msix_count = msix + 1;
2132  		/* Max queues are bounded by available msix vectors */
2133  		/* MB interrupt uses 1 vector */
2134  		ha->max_req_queues = ha->msix_count - 1;
2135  		ha->max_rsp_queues = ha->max_req_queues;
2136  		/* Queue pairs is the max value minus the base queue pair */
2137  		ha->max_qpairs = ha->max_rsp_queues - 1;
2138  		ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0188,
2139  		    "Max no of queues pairs: %d.\n", ha->max_qpairs);
2140  
2141  		ql_log_pci(ql_log_info, ha->pdev, 0x001a,
2142  		    "MSI-X vector count: %d.\n", ha->msix_count);
2143  	} else
2144  		ql_log_pci(ql_log_info, ha->pdev, 0x001b,
2145  		    "BAR 3 not enabled.\n");
2146  
2147  mqiobase_exit:
2148  	ql_dbg_pci(ql_dbg_init, ha->pdev, 0x001c,
2149  	    "MSIX Count: %d.\n", ha->msix_count);
2150  	return (0);
2151  
2152  iospace_error_exit:
2153  	return (-ENOMEM);
2154  }
2155  
2156  
2157  static int
qla83xx_iospace_config(struct qla_hw_data * ha)2158  qla83xx_iospace_config(struct qla_hw_data *ha)
2159  {
2160  	uint16_t msix;
2161  
2162  	if (pci_request_selected_regions(ha->pdev, ha->bars,
2163  	    QLA2XXX_DRIVER_NAME)) {
2164  		ql_log_pci(ql_log_fatal, ha->pdev, 0x0117,
2165  		    "Failed to reserve PIO/MMIO regions (%s), aborting.\n",
2166  		    pci_name(ha->pdev));
2167  
2168  		goto iospace_error_exit;
2169  	}
2170  
2171  	/* Use MMIO operations for all accesses. */
2172  	if (!(pci_resource_flags(ha->pdev, 0) & IORESOURCE_MEM)) {
2173  		ql_log_pci(ql_log_warn, ha->pdev, 0x0118,
2174  		    "Invalid pci I/O region size (%s).\n",
2175  		    pci_name(ha->pdev));
2176  		goto iospace_error_exit;
2177  	}
2178  	if (pci_resource_len(ha->pdev, 0) < MIN_IOBASE_LEN) {
2179  		ql_log_pci(ql_log_warn, ha->pdev, 0x0119,
2180  		    "Invalid PCI mem region size (%s), aborting\n",
2181  			pci_name(ha->pdev));
2182  		goto iospace_error_exit;
2183  	}
2184  
2185  	ha->iobase = ioremap(pci_resource_start(ha->pdev, 0), MIN_IOBASE_LEN);
2186  	if (!ha->iobase) {
2187  		ql_log_pci(ql_log_fatal, ha->pdev, 0x011a,
2188  		    "Cannot remap MMIO (%s), aborting.\n",
2189  		    pci_name(ha->pdev));
2190  		goto iospace_error_exit;
2191  	}
2192  
2193  	/* 64bit PCI BAR - BAR2 will correspoond to region 4 */
2194  	/* 83XX 26XX always use MQ type access for queues
2195  	 * - mbar 2, a.k.a region 4 */
2196  	ha->max_req_queues = ha->max_rsp_queues = 1;
2197  	ha->msix_count = QLA_BASE_VECTORS;
2198  	ha->mqiobase = ioremap(pci_resource_start(ha->pdev, 4),
2199  			pci_resource_len(ha->pdev, 4));
2200  
2201  	if (!ha->mqiobase) {
2202  		ql_log_pci(ql_log_fatal, ha->pdev, 0x011d,
2203  		    "BAR2/region4 not enabled\n");
2204  		goto mqiobase_exit;
2205  	}
2206  
2207  	ha->msixbase = ioremap(pci_resource_start(ha->pdev, 2),
2208  			pci_resource_len(ha->pdev, 2));
2209  	if (ha->msixbase) {
2210  		/* Read MSIX vector size of the board */
2211  		pci_read_config_word(ha->pdev,
2212  		    QLA_83XX_PCI_MSIX_CONTROL, &msix);
2213  		ha->msix_count = (msix & PCI_MSIX_FLAGS_QSIZE)  + 1;
2214  		/*
2215  		 * By default, driver uses at least two msix vectors
2216  		 * (default & rspq)
2217  		 */
2218  		if (ql2xmqsupport || ql2xnvmeenable) {
2219  			/* MB interrupt uses 1 vector */
2220  			ha->max_req_queues = ha->msix_count - 1;
2221  
2222  			/* ATIOQ needs 1 vector. That's 1 less QPair */
2223  			if (QLA_TGT_MODE_ENABLED())
2224  				ha->max_req_queues--;
2225  
2226  			ha->max_rsp_queues = ha->max_req_queues;
2227  
2228  			/* Queue pairs is the max value minus
2229  			 * the base queue pair */
2230  			ha->max_qpairs = ha->max_req_queues - 1;
2231  			ql_dbg_pci(ql_dbg_init, ha->pdev, 0x00e3,
2232  			    "Max no of queues pairs: %d.\n", ha->max_qpairs);
2233  		}
2234  		ql_log_pci(ql_log_info, ha->pdev, 0x011c,
2235  		    "MSI-X vector count: %d.\n", ha->msix_count);
2236  	} else
2237  		ql_log_pci(ql_log_info, ha->pdev, 0x011e,
2238  		    "BAR 1 not enabled.\n");
2239  
2240  mqiobase_exit:
2241  	ql_dbg_pci(ql_dbg_init, ha->pdev, 0x011f,
2242  	    "MSIX Count: %d.\n", ha->msix_count);
2243  	return 0;
2244  
2245  iospace_error_exit:
2246  	return -ENOMEM;
2247  }
2248  
2249  static struct isp_operations qla2100_isp_ops = {
2250  	.pci_config		= qla2100_pci_config,
2251  	.reset_chip		= qla2x00_reset_chip,
2252  	.chip_diag		= qla2x00_chip_diag,
2253  	.config_rings		= qla2x00_config_rings,
2254  	.reset_adapter		= qla2x00_reset_adapter,
2255  	.nvram_config		= qla2x00_nvram_config,
2256  	.update_fw_options	= qla2x00_update_fw_options,
2257  	.load_risc		= qla2x00_load_risc,
2258  	.pci_info_str		= qla2x00_pci_info_str,
2259  	.fw_version_str		= qla2x00_fw_version_str,
2260  	.intr_handler		= qla2100_intr_handler,
2261  	.enable_intrs		= qla2x00_enable_intrs,
2262  	.disable_intrs		= qla2x00_disable_intrs,
2263  	.abort_command		= qla2x00_abort_command,
2264  	.target_reset		= qla2x00_abort_target,
2265  	.lun_reset		= qla2x00_lun_reset,
2266  	.fabric_login		= qla2x00_login_fabric,
2267  	.fabric_logout		= qla2x00_fabric_logout,
2268  	.calc_req_entries	= qla2x00_calc_iocbs_32,
2269  	.build_iocbs		= qla2x00_build_scsi_iocbs_32,
2270  	.prep_ms_iocb		= qla2x00_prep_ms_iocb,
2271  	.prep_ms_fdmi_iocb	= qla2x00_prep_ms_fdmi_iocb,
2272  	.read_nvram		= qla2x00_read_nvram_data,
2273  	.write_nvram		= qla2x00_write_nvram_data,
2274  	.fw_dump		= qla2100_fw_dump,
2275  	.beacon_on		= NULL,
2276  	.beacon_off		= NULL,
2277  	.beacon_blink		= NULL,
2278  	.read_optrom		= qla2x00_read_optrom_data,
2279  	.write_optrom		= qla2x00_write_optrom_data,
2280  	.get_flash_version	= qla2x00_get_flash_version,
2281  	.start_scsi		= qla2x00_start_scsi,
2282  	.start_scsi_mq          = NULL,
2283  	.abort_isp		= qla2x00_abort_isp,
2284  	.iospace_config     	= qla2x00_iospace_config,
2285  	.initialize_adapter	= qla2x00_initialize_adapter,
2286  };
2287  
2288  static struct isp_operations qla2300_isp_ops = {
2289  	.pci_config		= qla2300_pci_config,
2290  	.reset_chip		= qla2x00_reset_chip,
2291  	.chip_diag		= qla2x00_chip_diag,
2292  	.config_rings		= qla2x00_config_rings,
2293  	.reset_adapter		= qla2x00_reset_adapter,
2294  	.nvram_config		= qla2x00_nvram_config,
2295  	.update_fw_options	= qla2x00_update_fw_options,
2296  	.load_risc		= qla2x00_load_risc,
2297  	.pci_info_str		= qla2x00_pci_info_str,
2298  	.fw_version_str		= qla2x00_fw_version_str,
2299  	.intr_handler		= qla2300_intr_handler,
2300  	.enable_intrs		= qla2x00_enable_intrs,
2301  	.disable_intrs		= qla2x00_disable_intrs,
2302  	.abort_command		= qla2x00_abort_command,
2303  	.target_reset		= qla2x00_abort_target,
2304  	.lun_reset		= qla2x00_lun_reset,
2305  	.fabric_login		= qla2x00_login_fabric,
2306  	.fabric_logout		= qla2x00_fabric_logout,
2307  	.calc_req_entries	= qla2x00_calc_iocbs_32,
2308  	.build_iocbs		= qla2x00_build_scsi_iocbs_32,
2309  	.prep_ms_iocb		= qla2x00_prep_ms_iocb,
2310  	.prep_ms_fdmi_iocb	= qla2x00_prep_ms_fdmi_iocb,
2311  	.read_nvram		= qla2x00_read_nvram_data,
2312  	.write_nvram		= qla2x00_write_nvram_data,
2313  	.fw_dump		= qla2300_fw_dump,
2314  	.beacon_on		= qla2x00_beacon_on,
2315  	.beacon_off		= qla2x00_beacon_off,
2316  	.beacon_blink		= qla2x00_beacon_blink,
2317  	.read_optrom		= qla2x00_read_optrom_data,
2318  	.write_optrom		= qla2x00_write_optrom_data,
2319  	.get_flash_version	= qla2x00_get_flash_version,
2320  	.start_scsi		= qla2x00_start_scsi,
2321  	.start_scsi_mq          = NULL,
2322  	.abort_isp		= qla2x00_abort_isp,
2323  	.iospace_config		= qla2x00_iospace_config,
2324  	.initialize_adapter	= qla2x00_initialize_adapter,
2325  };
2326  
2327  static struct isp_operations qla24xx_isp_ops = {
2328  	.pci_config		= qla24xx_pci_config,
2329  	.reset_chip		= qla24xx_reset_chip,
2330  	.chip_diag		= qla24xx_chip_diag,
2331  	.config_rings		= qla24xx_config_rings,
2332  	.reset_adapter		= qla24xx_reset_adapter,
2333  	.nvram_config		= qla24xx_nvram_config,
2334  	.update_fw_options	= qla24xx_update_fw_options,
2335  	.load_risc		= qla24xx_load_risc,
2336  	.pci_info_str		= qla24xx_pci_info_str,
2337  	.fw_version_str		= qla24xx_fw_version_str,
2338  	.intr_handler		= qla24xx_intr_handler,
2339  	.enable_intrs		= qla24xx_enable_intrs,
2340  	.disable_intrs		= qla24xx_disable_intrs,
2341  	.abort_command		= qla24xx_abort_command,
2342  	.target_reset		= qla24xx_abort_target,
2343  	.lun_reset		= qla24xx_lun_reset,
2344  	.fabric_login		= qla24xx_login_fabric,
2345  	.fabric_logout		= qla24xx_fabric_logout,
2346  	.calc_req_entries	= NULL,
2347  	.build_iocbs		= NULL,
2348  	.prep_ms_iocb		= qla24xx_prep_ms_iocb,
2349  	.prep_ms_fdmi_iocb	= qla24xx_prep_ms_fdmi_iocb,
2350  	.read_nvram		= qla24xx_read_nvram_data,
2351  	.write_nvram		= qla24xx_write_nvram_data,
2352  	.fw_dump		= qla24xx_fw_dump,
2353  	.beacon_on		= qla24xx_beacon_on,
2354  	.beacon_off		= qla24xx_beacon_off,
2355  	.beacon_blink		= qla24xx_beacon_blink,
2356  	.read_optrom		= qla24xx_read_optrom_data,
2357  	.write_optrom		= qla24xx_write_optrom_data,
2358  	.get_flash_version	= qla24xx_get_flash_version,
2359  	.start_scsi		= qla24xx_start_scsi,
2360  	.start_scsi_mq          = NULL,
2361  	.abort_isp		= qla2x00_abort_isp,
2362  	.iospace_config		= qla2x00_iospace_config,
2363  	.initialize_adapter	= qla2x00_initialize_adapter,
2364  };
2365  
2366  static struct isp_operations qla25xx_isp_ops = {
2367  	.pci_config		= qla25xx_pci_config,
2368  	.reset_chip		= qla24xx_reset_chip,
2369  	.chip_diag		= qla24xx_chip_diag,
2370  	.config_rings		= qla24xx_config_rings,
2371  	.reset_adapter		= qla24xx_reset_adapter,
2372  	.nvram_config		= qla24xx_nvram_config,
2373  	.update_fw_options	= qla24xx_update_fw_options,
2374  	.load_risc		= qla24xx_load_risc,
2375  	.pci_info_str		= qla24xx_pci_info_str,
2376  	.fw_version_str		= qla24xx_fw_version_str,
2377  	.intr_handler		= qla24xx_intr_handler,
2378  	.enable_intrs		= qla24xx_enable_intrs,
2379  	.disable_intrs		= qla24xx_disable_intrs,
2380  	.abort_command		= qla24xx_abort_command,
2381  	.target_reset		= qla24xx_abort_target,
2382  	.lun_reset		= qla24xx_lun_reset,
2383  	.fabric_login		= qla24xx_login_fabric,
2384  	.fabric_logout		= qla24xx_fabric_logout,
2385  	.calc_req_entries	= NULL,
2386  	.build_iocbs		= NULL,
2387  	.prep_ms_iocb		= qla24xx_prep_ms_iocb,
2388  	.prep_ms_fdmi_iocb	= qla24xx_prep_ms_fdmi_iocb,
2389  	.read_nvram		= qla25xx_read_nvram_data,
2390  	.write_nvram		= qla25xx_write_nvram_data,
2391  	.fw_dump		= qla25xx_fw_dump,
2392  	.beacon_on		= qla24xx_beacon_on,
2393  	.beacon_off		= qla24xx_beacon_off,
2394  	.beacon_blink		= qla24xx_beacon_blink,
2395  	.read_optrom		= qla25xx_read_optrom_data,
2396  	.write_optrom		= qla24xx_write_optrom_data,
2397  	.get_flash_version	= qla24xx_get_flash_version,
2398  	.start_scsi		= qla24xx_dif_start_scsi,
2399  	.start_scsi_mq          = qla2xxx_dif_start_scsi_mq,
2400  	.abort_isp		= qla2x00_abort_isp,
2401  	.iospace_config		= qla2x00_iospace_config,
2402  	.initialize_adapter	= qla2x00_initialize_adapter,
2403  };
2404  
2405  static struct isp_operations qla81xx_isp_ops = {
2406  	.pci_config		= qla25xx_pci_config,
2407  	.reset_chip		= qla24xx_reset_chip,
2408  	.chip_diag		= qla24xx_chip_diag,
2409  	.config_rings		= qla24xx_config_rings,
2410  	.reset_adapter		= qla24xx_reset_adapter,
2411  	.nvram_config		= qla81xx_nvram_config,
2412  	.update_fw_options	= qla24xx_update_fw_options,
2413  	.load_risc		= qla81xx_load_risc,
2414  	.pci_info_str		= qla24xx_pci_info_str,
2415  	.fw_version_str		= qla24xx_fw_version_str,
2416  	.intr_handler		= qla24xx_intr_handler,
2417  	.enable_intrs		= qla24xx_enable_intrs,
2418  	.disable_intrs		= qla24xx_disable_intrs,
2419  	.abort_command		= qla24xx_abort_command,
2420  	.target_reset		= qla24xx_abort_target,
2421  	.lun_reset		= qla24xx_lun_reset,
2422  	.fabric_login		= qla24xx_login_fabric,
2423  	.fabric_logout		= qla24xx_fabric_logout,
2424  	.calc_req_entries	= NULL,
2425  	.build_iocbs		= NULL,
2426  	.prep_ms_iocb		= qla24xx_prep_ms_iocb,
2427  	.prep_ms_fdmi_iocb	= qla24xx_prep_ms_fdmi_iocb,
2428  	.read_nvram		= NULL,
2429  	.write_nvram		= NULL,
2430  	.fw_dump		= qla81xx_fw_dump,
2431  	.beacon_on		= qla24xx_beacon_on,
2432  	.beacon_off		= qla24xx_beacon_off,
2433  	.beacon_blink		= qla83xx_beacon_blink,
2434  	.read_optrom		= qla25xx_read_optrom_data,
2435  	.write_optrom		= qla24xx_write_optrom_data,
2436  	.get_flash_version	= qla24xx_get_flash_version,
2437  	.start_scsi		= qla24xx_dif_start_scsi,
2438  	.start_scsi_mq          = qla2xxx_dif_start_scsi_mq,
2439  	.abort_isp		= qla2x00_abort_isp,
2440  	.iospace_config		= qla2x00_iospace_config,
2441  	.initialize_adapter	= qla2x00_initialize_adapter,
2442  };
2443  
2444  static struct isp_operations qla82xx_isp_ops = {
2445  	.pci_config		= qla82xx_pci_config,
2446  	.reset_chip		= qla82xx_reset_chip,
2447  	.chip_diag		= qla24xx_chip_diag,
2448  	.config_rings		= qla82xx_config_rings,
2449  	.reset_adapter		= qla24xx_reset_adapter,
2450  	.nvram_config		= qla81xx_nvram_config,
2451  	.update_fw_options	= qla24xx_update_fw_options,
2452  	.load_risc		= qla82xx_load_risc,
2453  	.pci_info_str		= qla24xx_pci_info_str,
2454  	.fw_version_str		= qla24xx_fw_version_str,
2455  	.intr_handler		= qla82xx_intr_handler,
2456  	.enable_intrs		= qla82xx_enable_intrs,
2457  	.disable_intrs		= qla82xx_disable_intrs,
2458  	.abort_command		= qla24xx_abort_command,
2459  	.target_reset		= qla24xx_abort_target,
2460  	.lun_reset		= qla24xx_lun_reset,
2461  	.fabric_login		= qla24xx_login_fabric,
2462  	.fabric_logout		= qla24xx_fabric_logout,
2463  	.calc_req_entries	= NULL,
2464  	.build_iocbs		= NULL,
2465  	.prep_ms_iocb		= qla24xx_prep_ms_iocb,
2466  	.prep_ms_fdmi_iocb	= qla24xx_prep_ms_fdmi_iocb,
2467  	.read_nvram		= qla24xx_read_nvram_data,
2468  	.write_nvram		= qla24xx_write_nvram_data,
2469  	.fw_dump		= qla82xx_fw_dump,
2470  	.beacon_on		= qla82xx_beacon_on,
2471  	.beacon_off		= qla82xx_beacon_off,
2472  	.beacon_blink		= NULL,
2473  	.read_optrom		= qla82xx_read_optrom_data,
2474  	.write_optrom		= qla82xx_write_optrom_data,
2475  	.get_flash_version	= qla82xx_get_flash_version,
2476  	.start_scsi             = qla82xx_start_scsi,
2477  	.start_scsi_mq          = NULL,
2478  	.abort_isp		= qla82xx_abort_isp,
2479  	.iospace_config     	= qla82xx_iospace_config,
2480  	.initialize_adapter	= qla2x00_initialize_adapter,
2481  };
2482  
2483  static struct isp_operations qla8044_isp_ops = {
2484  	.pci_config		= qla82xx_pci_config,
2485  	.reset_chip		= qla82xx_reset_chip,
2486  	.chip_diag		= qla24xx_chip_diag,
2487  	.config_rings		= qla82xx_config_rings,
2488  	.reset_adapter		= qla24xx_reset_adapter,
2489  	.nvram_config		= qla81xx_nvram_config,
2490  	.update_fw_options	= qla24xx_update_fw_options,
2491  	.load_risc		= qla82xx_load_risc,
2492  	.pci_info_str		= qla24xx_pci_info_str,
2493  	.fw_version_str		= qla24xx_fw_version_str,
2494  	.intr_handler		= qla8044_intr_handler,
2495  	.enable_intrs		= qla82xx_enable_intrs,
2496  	.disable_intrs		= qla82xx_disable_intrs,
2497  	.abort_command		= qla24xx_abort_command,
2498  	.target_reset		= qla24xx_abort_target,
2499  	.lun_reset		= qla24xx_lun_reset,
2500  	.fabric_login		= qla24xx_login_fabric,
2501  	.fabric_logout		= qla24xx_fabric_logout,
2502  	.calc_req_entries	= NULL,
2503  	.build_iocbs		= NULL,
2504  	.prep_ms_iocb		= qla24xx_prep_ms_iocb,
2505  	.prep_ms_fdmi_iocb	= qla24xx_prep_ms_fdmi_iocb,
2506  	.read_nvram		= NULL,
2507  	.write_nvram		= NULL,
2508  	.fw_dump		= qla8044_fw_dump,
2509  	.beacon_on		= qla82xx_beacon_on,
2510  	.beacon_off		= qla82xx_beacon_off,
2511  	.beacon_blink		= NULL,
2512  	.read_optrom		= qla8044_read_optrom_data,
2513  	.write_optrom		= qla8044_write_optrom_data,
2514  	.get_flash_version	= qla82xx_get_flash_version,
2515  	.start_scsi             = qla82xx_start_scsi,
2516  	.start_scsi_mq          = NULL,
2517  	.abort_isp		= qla8044_abort_isp,
2518  	.iospace_config		= qla82xx_iospace_config,
2519  	.initialize_adapter	= qla2x00_initialize_adapter,
2520  };
2521  
2522  static struct isp_operations qla83xx_isp_ops = {
2523  	.pci_config		= qla25xx_pci_config,
2524  	.reset_chip		= qla24xx_reset_chip,
2525  	.chip_diag		= qla24xx_chip_diag,
2526  	.config_rings		= qla24xx_config_rings,
2527  	.reset_adapter		= qla24xx_reset_adapter,
2528  	.nvram_config		= qla81xx_nvram_config,
2529  	.update_fw_options	= qla24xx_update_fw_options,
2530  	.load_risc		= qla81xx_load_risc,
2531  	.pci_info_str		= qla24xx_pci_info_str,
2532  	.fw_version_str		= qla24xx_fw_version_str,
2533  	.intr_handler		= qla24xx_intr_handler,
2534  	.enable_intrs		= qla24xx_enable_intrs,
2535  	.disable_intrs		= qla24xx_disable_intrs,
2536  	.abort_command		= qla24xx_abort_command,
2537  	.target_reset		= qla24xx_abort_target,
2538  	.lun_reset		= qla24xx_lun_reset,
2539  	.fabric_login		= qla24xx_login_fabric,
2540  	.fabric_logout		= qla24xx_fabric_logout,
2541  	.calc_req_entries	= NULL,
2542  	.build_iocbs		= NULL,
2543  	.prep_ms_iocb		= qla24xx_prep_ms_iocb,
2544  	.prep_ms_fdmi_iocb	= qla24xx_prep_ms_fdmi_iocb,
2545  	.read_nvram		= NULL,
2546  	.write_nvram		= NULL,
2547  	.fw_dump		= qla83xx_fw_dump,
2548  	.beacon_on		= qla24xx_beacon_on,
2549  	.beacon_off		= qla24xx_beacon_off,
2550  	.beacon_blink		= qla83xx_beacon_blink,
2551  	.read_optrom		= qla25xx_read_optrom_data,
2552  	.write_optrom		= qla24xx_write_optrom_data,
2553  	.get_flash_version	= qla24xx_get_flash_version,
2554  	.start_scsi		= qla24xx_dif_start_scsi,
2555  	.start_scsi_mq          = qla2xxx_dif_start_scsi_mq,
2556  	.abort_isp		= qla2x00_abort_isp,
2557  	.iospace_config		= qla83xx_iospace_config,
2558  	.initialize_adapter	= qla2x00_initialize_adapter,
2559  };
2560  
2561  static struct isp_operations qlafx00_isp_ops = {
2562  	.pci_config		= qlafx00_pci_config,
2563  	.reset_chip		= qlafx00_soft_reset,
2564  	.chip_diag		= qlafx00_chip_diag,
2565  	.config_rings		= qlafx00_config_rings,
2566  	.reset_adapter		= qlafx00_soft_reset,
2567  	.nvram_config		= NULL,
2568  	.update_fw_options	= NULL,
2569  	.load_risc		= NULL,
2570  	.pci_info_str		= qlafx00_pci_info_str,
2571  	.fw_version_str		= qlafx00_fw_version_str,
2572  	.intr_handler		= qlafx00_intr_handler,
2573  	.enable_intrs		= qlafx00_enable_intrs,
2574  	.disable_intrs		= qlafx00_disable_intrs,
2575  	.abort_command		= qla24xx_async_abort_command,
2576  	.target_reset		= qlafx00_abort_target,
2577  	.lun_reset		= qlafx00_lun_reset,
2578  	.fabric_login		= NULL,
2579  	.fabric_logout		= NULL,
2580  	.calc_req_entries	= NULL,
2581  	.build_iocbs		= NULL,
2582  	.prep_ms_iocb		= qla24xx_prep_ms_iocb,
2583  	.prep_ms_fdmi_iocb	= qla24xx_prep_ms_fdmi_iocb,
2584  	.read_nvram		= qla24xx_read_nvram_data,
2585  	.write_nvram		= qla24xx_write_nvram_data,
2586  	.fw_dump		= NULL,
2587  	.beacon_on		= qla24xx_beacon_on,
2588  	.beacon_off		= qla24xx_beacon_off,
2589  	.beacon_blink		= NULL,
2590  	.read_optrom		= qla24xx_read_optrom_data,
2591  	.write_optrom		= qla24xx_write_optrom_data,
2592  	.get_flash_version	= qla24xx_get_flash_version,
2593  	.start_scsi		= qlafx00_start_scsi,
2594  	.start_scsi_mq          = NULL,
2595  	.abort_isp		= qlafx00_abort_isp,
2596  	.iospace_config		= qlafx00_iospace_config,
2597  	.initialize_adapter	= qlafx00_initialize_adapter,
2598  };
2599  
2600  static struct isp_operations qla27xx_isp_ops = {
2601  	.pci_config		= qla25xx_pci_config,
2602  	.reset_chip		= qla24xx_reset_chip,
2603  	.chip_diag		= qla24xx_chip_diag,
2604  	.config_rings		= qla24xx_config_rings,
2605  	.reset_adapter		= qla24xx_reset_adapter,
2606  	.nvram_config		= qla81xx_nvram_config,
2607  	.update_fw_options	= qla24xx_update_fw_options,
2608  	.load_risc		= qla81xx_load_risc,
2609  	.pci_info_str		= qla24xx_pci_info_str,
2610  	.fw_version_str		= qla24xx_fw_version_str,
2611  	.intr_handler		= qla24xx_intr_handler,
2612  	.enable_intrs		= qla24xx_enable_intrs,
2613  	.disable_intrs		= qla24xx_disable_intrs,
2614  	.abort_command		= qla24xx_abort_command,
2615  	.target_reset		= qla24xx_abort_target,
2616  	.lun_reset		= qla24xx_lun_reset,
2617  	.fabric_login		= qla24xx_login_fabric,
2618  	.fabric_logout		= qla24xx_fabric_logout,
2619  	.calc_req_entries	= NULL,
2620  	.build_iocbs		= NULL,
2621  	.prep_ms_iocb		= qla24xx_prep_ms_iocb,
2622  	.prep_ms_fdmi_iocb	= qla24xx_prep_ms_fdmi_iocb,
2623  	.read_nvram		= NULL,
2624  	.write_nvram		= NULL,
2625  	.fw_dump		= qla27xx_fwdump,
2626  	.mpi_fw_dump		= qla27xx_mpi_fwdump,
2627  	.beacon_on		= qla24xx_beacon_on,
2628  	.beacon_off		= qla24xx_beacon_off,
2629  	.beacon_blink		= qla83xx_beacon_blink,
2630  	.read_optrom		= qla25xx_read_optrom_data,
2631  	.write_optrom		= qla24xx_write_optrom_data,
2632  	.get_flash_version	= qla24xx_get_flash_version,
2633  	.start_scsi		= qla24xx_dif_start_scsi,
2634  	.start_scsi_mq          = qla2xxx_dif_start_scsi_mq,
2635  	.abort_isp		= qla2x00_abort_isp,
2636  	.iospace_config		= qla83xx_iospace_config,
2637  	.initialize_adapter	= qla2x00_initialize_adapter,
2638  };
2639  
2640  static inline void
qla2x00_set_isp_flags(struct qla_hw_data * ha)2641  qla2x00_set_isp_flags(struct qla_hw_data *ha)
2642  {
2643  	ha->device_type = DT_EXTENDED_IDS;
2644  	switch (ha->pdev->device) {
2645  	case PCI_DEVICE_ID_QLOGIC_ISP2100:
2646  		ha->isp_type |= DT_ISP2100;
2647  		ha->device_type &= ~DT_EXTENDED_IDS;
2648  		ha->fw_srisc_address = RISC_START_ADDRESS_2100;
2649  		break;
2650  	case PCI_DEVICE_ID_QLOGIC_ISP2200:
2651  		ha->isp_type |= DT_ISP2200;
2652  		ha->device_type &= ~DT_EXTENDED_IDS;
2653  		ha->fw_srisc_address = RISC_START_ADDRESS_2100;
2654  		break;
2655  	case PCI_DEVICE_ID_QLOGIC_ISP2300:
2656  		ha->isp_type |= DT_ISP2300;
2657  		ha->device_type |= DT_ZIO_SUPPORTED;
2658  		ha->fw_srisc_address = RISC_START_ADDRESS_2300;
2659  		break;
2660  	case PCI_DEVICE_ID_QLOGIC_ISP2312:
2661  		ha->isp_type |= DT_ISP2312;
2662  		ha->device_type |= DT_ZIO_SUPPORTED;
2663  		ha->fw_srisc_address = RISC_START_ADDRESS_2300;
2664  		break;
2665  	case PCI_DEVICE_ID_QLOGIC_ISP2322:
2666  		ha->isp_type |= DT_ISP2322;
2667  		ha->device_type |= DT_ZIO_SUPPORTED;
2668  		if (ha->pdev->subsystem_vendor == 0x1028 &&
2669  		    ha->pdev->subsystem_device == 0x0170)
2670  			ha->device_type |= DT_OEM_001;
2671  		ha->fw_srisc_address = RISC_START_ADDRESS_2300;
2672  		break;
2673  	case PCI_DEVICE_ID_QLOGIC_ISP6312:
2674  		ha->isp_type |= DT_ISP6312;
2675  		ha->fw_srisc_address = RISC_START_ADDRESS_2300;
2676  		break;
2677  	case PCI_DEVICE_ID_QLOGIC_ISP6322:
2678  		ha->isp_type |= DT_ISP6322;
2679  		ha->fw_srisc_address = RISC_START_ADDRESS_2300;
2680  		break;
2681  	case PCI_DEVICE_ID_QLOGIC_ISP2422:
2682  		ha->isp_type |= DT_ISP2422;
2683  		ha->device_type |= DT_ZIO_SUPPORTED;
2684  		ha->device_type |= DT_FWI2;
2685  		ha->device_type |= DT_IIDMA;
2686  		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2687  		break;
2688  	case PCI_DEVICE_ID_QLOGIC_ISP2432:
2689  		ha->isp_type |= DT_ISP2432;
2690  		ha->device_type |= DT_ZIO_SUPPORTED;
2691  		ha->device_type |= DT_FWI2;
2692  		ha->device_type |= DT_IIDMA;
2693  		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2694  		break;
2695  	case PCI_DEVICE_ID_QLOGIC_ISP8432:
2696  		ha->isp_type |= DT_ISP8432;
2697  		ha->device_type |= DT_ZIO_SUPPORTED;
2698  		ha->device_type |= DT_FWI2;
2699  		ha->device_type |= DT_IIDMA;
2700  		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2701  		break;
2702  	case PCI_DEVICE_ID_QLOGIC_ISP5422:
2703  		ha->isp_type |= DT_ISP5422;
2704  		ha->device_type |= DT_FWI2;
2705  		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2706  		break;
2707  	case PCI_DEVICE_ID_QLOGIC_ISP5432:
2708  		ha->isp_type |= DT_ISP5432;
2709  		ha->device_type |= DT_FWI2;
2710  		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2711  		break;
2712  	case PCI_DEVICE_ID_QLOGIC_ISP2532:
2713  		ha->isp_type |= DT_ISP2532;
2714  		ha->device_type |= DT_ZIO_SUPPORTED;
2715  		ha->device_type |= DT_FWI2;
2716  		ha->device_type |= DT_IIDMA;
2717  		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2718  		break;
2719  	case PCI_DEVICE_ID_QLOGIC_ISP8001:
2720  		ha->isp_type |= DT_ISP8001;
2721  		ha->device_type |= DT_ZIO_SUPPORTED;
2722  		ha->device_type |= DT_FWI2;
2723  		ha->device_type |= DT_IIDMA;
2724  		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2725  		break;
2726  	case PCI_DEVICE_ID_QLOGIC_ISP8021:
2727  		ha->isp_type |= DT_ISP8021;
2728  		ha->device_type |= DT_ZIO_SUPPORTED;
2729  		ha->device_type |= DT_FWI2;
2730  		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2731  		/* Initialize 82XX ISP flags */
2732  		qla82xx_init_flags(ha);
2733  		break;
2734  	 case PCI_DEVICE_ID_QLOGIC_ISP8044:
2735  		ha->isp_type |= DT_ISP8044;
2736  		ha->device_type |= DT_ZIO_SUPPORTED;
2737  		ha->device_type |= DT_FWI2;
2738  		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2739  		/* Initialize 82XX ISP flags */
2740  		qla82xx_init_flags(ha);
2741  		break;
2742  	case PCI_DEVICE_ID_QLOGIC_ISP2031:
2743  		ha->isp_type |= DT_ISP2031;
2744  		ha->device_type |= DT_ZIO_SUPPORTED;
2745  		ha->device_type |= DT_FWI2;
2746  		ha->device_type |= DT_IIDMA;
2747  		ha->device_type |= DT_T10_PI;
2748  		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2749  		break;
2750  	case PCI_DEVICE_ID_QLOGIC_ISP8031:
2751  		ha->isp_type |= DT_ISP8031;
2752  		ha->device_type |= DT_ZIO_SUPPORTED;
2753  		ha->device_type |= DT_FWI2;
2754  		ha->device_type |= DT_IIDMA;
2755  		ha->device_type |= DT_T10_PI;
2756  		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2757  		break;
2758  	case PCI_DEVICE_ID_QLOGIC_ISPF001:
2759  		ha->isp_type |= DT_ISPFX00;
2760  		break;
2761  	case PCI_DEVICE_ID_QLOGIC_ISP2071:
2762  		ha->isp_type |= DT_ISP2071;
2763  		ha->device_type |= DT_ZIO_SUPPORTED;
2764  		ha->device_type |= DT_FWI2;
2765  		ha->device_type |= DT_IIDMA;
2766  		ha->device_type |= DT_T10_PI;
2767  		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2768  		break;
2769  	case PCI_DEVICE_ID_QLOGIC_ISP2271:
2770  		ha->isp_type |= DT_ISP2271;
2771  		ha->device_type |= DT_ZIO_SUPPORTED;
2772  		ha->device_type |= DT_FWI2;
2773  		ha->device_type |= DT_IIDMA;
2774  		ha->device_type |= DT_T10_PI;
2775  		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2776  		break;
2777  	case PCI_DEVICE_ID_QLOGIC_ISP2261:
2778  		ha->isp_type |= DT_ISP2261;
2779  		ha->device_type |= DT_ZIO_SUPPORTED;
2780  		ha->device_type |= DT_FWI2;
2781  		ha->device_type |= DT_IIDMA;
2782  		ha->device_type |= DT_T10_PI;
2783  		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2784  		break;
2785  	case PCI_DEVICE_ID_QLOGIC_ISP2081:
2786  	case PCI_DEVICE_ID_QLOGIC_ISP2089:
2787  		ha->isp_type |= DT_ISP2081;
2788  		ha->device_type |= DT_ZIO_SUPPORTED;
2789  		ha->device_type |= DT_FWI2;
2790  		ha->device_type |= DT_IIDMA;
2791  		ha->device_type |= DT_T10_PI;
2792  		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2793  		break;
2794  	case PCI_DEVICE_ID_QLOGIC_ISP2281:
2795  	case PCI_DEVICE_ID_QLOGIC_ISP2289:
2796  		ha->isp_type |= DT_ISP2281;
2797  		ha->device_type |= DT_ZIO_SUPPORTED;
2798  		ha->device_type |= DT_FWI2;
2799  		ha->device_type |= DT_IIDMA;
2800  		ha->device_type |= DT_T10_PI;
2801  		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2802  		break;
2803  	}
2804  
2805  	if (IS_QLA82XX(ha))
2806  		ha->port_no = ha->portnum & 1;
2807  	else {
2808  		/* Get adapter physical port no from interrupt pin register. */
2809  		pci_read_config_byte(ha->pdev, PCI_INTERRUPT_PIN, &ha->port_no);
2810  		if (IS_QLA25XX(ha) || IS_QLA2031(ha) ||
2811  		    IS_QLA27XX(ha) || IS_QLA28XX(ha))
2812  			ha->port_no--;
2813  		else
2814  			ha->port_no = !(ha->port_no & 1);
2815  	}
2816  
2817  	ql_dbg_pci(ql_dbg_init, ha->pdev, 0x000b,
2818  	    "device_type=0x%x port=%d fw_srisc_address=0x%x.\n",
2819  	    ha->device_type, ha->port_no, ha->fw_srisc_address);
2820  }
2821  
2822  static void
qla2xxx_scan_start(struct Scsi_Host * shost)2823  qla2xxx_scan_start(struct Scsi_Host *shost)
2824  {
2825  	scsi_qla_host_t *vha = shost_priv(shost);
2826  
2827  	if (vha->hw->flags.running_gold_fw)
2828  		return;
2829  
2830  	set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
2831  	set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
2832  	set_bit(RSCN_UPDATE, &vha->dpc_flags);
2833  	set_bit(NPIV_CONFIG_NEEDED, &vha->dpc_flags);
2834  }
2835  
2836  static int
qla2xxx_scan_finished(struct Scsi_Host * shost,unsigned long time)2837  qla2xxx_scan_finished(struct Scsi_Host *shost, unsigned long time)
2838  {
2839  	scsi_qla_host_t *vha = shost_priv(shost);
2840  
2841  	if (test_bit(UNLOADING, &vha->dpc_flags))
2842  		return 1;
2843  	if (!vha->host)
2844  		return 1;
2845  	if (time > vha->hw->loop_reset_delay * HZ)
2846  		return 1;
2847  
2848  	return atomic_read(&vha->loop_state) == LOOP_READY;
2849  }
2850  
qla_heartbeat_work_fn(struct work_struct * work)2851  static void qla_heartbeat_work_fn(struct work_struct *work)
2852  {
2853  	struct qla_hw_data *ha = container_of(work,
2854  		struct qla_hw_data, heartbeat_work);
2855  	struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
2856  
2857  	if (!ha->flags.mbox_busy && base_vha->flags.init_done)
2858  		qla_no_op_mb(base_vha);
2859  }
2860  
qla2x00_iocb_work_fn(struct work_struct * work)2861  static void qla2x00_iocb_work_fn(struct work_struct *work)
2862  {
2863  	struct scsi_qla_host *vha = container_of(work,
2864  		struct scsi_qla_host, iocb_work);
2865  	struct qla_hw_data *ha = vha->hw;
2866  	struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
2867  	int i = 2;
2868  	unsigned long flags;
2869  
2870  	if (test_bit(UNLOADING, &base_vha->dpc_flags))
2871  		return;
2872  
2873  	while (!list_empty(&vha->work_list) && i > 0) {
2874  		qla2x00_do_work(vha);
2875  		i--;
2876  	}
2877  
2878  	spin_lock_irqsave(&vha->work_lock, flags);
2879  	clear_bit(IOCB_WORK_ACTIVE, &vha->dpc_flags);
2880  	spin_unlock_irqrestore(&vha->work_lock, flags);
2881  }
2882  
2883  static void
qla_trace_init(void)2884  qla_trace_init(void)
2885  {
2886  	qla_trc_array = trace_array_get_by_name("qla2xxx");
2887  	if (!qla_trc_array) {
2888  		ql_log(ql_log_fatal, NULL, 0x0001,
2889  		       "Unable to create qla2xxx trace instance, instance logging will be disabled.\n");
2890  		return;
2891  	}
2892  
2893  	QLA_TRACE_ENABLE(qla_trc_array);
2894  }
2895  
2896  static void
qla_trace_uninit(void)2897  qla_trace_uninit(void)
2898  {
2899  	if (!qla_trc_array)
2900  		return;
2901  	trace_array_put(qla_trc_array);
2902  }
2903  
2904  /*
2905   * PCI driver interface
2906   */
2907  static int
qla2x00_probe_one(struct pci_dev * pdev,const struct pci_device_id * id)2908  qla2x00_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
2909  {
2910  	int	ret = -ENODEV;
2911  	struct Scsi_Host *host;
2912  	scsi_qla_host_t *base_vha = NULL;
2913  	struct qla_hw_data *ha;
2914  	char pci_info[30];
2915  	char fw_str[30], wq_name[30];
2916  	struct scsi_host_template *sht;
2917  	int bars, mem_only = 0;
2918  	uint16_t req_length = 0, rsp_length = 0;
2919  	struct req_que *req = NULL;
2920  	struct rsp_que *rsp = NULL;
2921  	int i;
2922  
2923  	bars = pci_select_bars(pdev, IORESOURCE_MEM | IORESOURCE_IO);
2924  	sht = &qla2xxx_driver_template;
2925  	if (pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2422 ||
2926  	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2432 ||
2927  	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8432 ||
2928  	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP5422 ||
2929  	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP5432 ||
2930  	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2532 ||
2931  	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8001 ||
2932  	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8021 ||
2933  	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2031 ||
2934  	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8031 ||
2935  	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISPF001 ||
2936  	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8044 ||
2937  	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2071 ||
2938  	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2271 ||
2939  	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2261 ||
2940  	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2081 ||
2941  	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2281 ||
2942  	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2089 ||
2943  	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2289) {
2944  		bars = pci_select_bars(pdev, IORESOURCE_MEM);
2945  		mem_only = 1;
2946  		ql_dbg_pci(ql_dbg_init, pdev, 0x0007,
2947  		    "Mem only adapter.\n");
2948  	}
2949  	ql_dbg_pci(ql_dbg_init, pdev, 0x0008,
2950  	    "Bars=%d.\n", bars);
2951  
2952  	if (mem_only) {
2953  		if (pci_enable_device_mem(pdev))
2954  			return ret;
2955  	} else {
2956  		if (pci_enable_device(pdev))
2957  			return ret;
2958  	}
2959  
2960  	if (is_kdump_kernel()) {
2961  		ql2xmqsupport = 0;
2962  		ql2xallocfwdump = 0;
2963  	}
2964  
2965  	ha = kzalloc(sizeof(struct qla_hw_data), GFP_KERNEL);
2966  	if (!ha) {
2967  		ql_log_pci(ql_log_fatal, pdev, 0x0009,
2968  		    "Unable to allocate memory for ha.\n");
2969  		goto disable_device;
2970  	}
2971  	ql_dbg_pci(ql_dbg_init, pdev, 0x000a,
2972  	    "Memory allocated for ha=%p.\n", ha);
2973  	ha->pdev = pdev;
2974  	INIT_LIST_HEAD(&ha->tgt.q_full_list);
2975  	spin_lock_init(&ha->tgt.q_full_lock);
2976  	spin_lock_init(&ha->tgt.sess_lock);
2977  	spin_lock_init(&ha->tgt.atio_lock);
2978  
2979  	spin_lock_init(&ha->sadb_lock);
2980  	INIT_LIST_HEAD(&ha->sadb_tx_index_list);
2981  	INIT_LIST_HEAD(&ha->sadb_rx_index_list);
2982  
2983  	spin_lock_init(&ha->sadb_fp_lock);
2984  
2985  	if (qla_edif_sadb_build_free_pool(ha)) {
2986  		kfree(ha);
2987  		goto  disable_device;
2988  	}
2989  
2990  	atomic_set(&ha->nvme_active_aen_cnt, 0);
2991  
2992  	/* Clear our data area */
2993  	ha->bars = bars;
2994  	ha->mem_only = mem_only;
2995  	spin_lock_init(&ha->hardware_lock);
2996  	spin_lock_init(&ha->vport_slock);
2997  	mutex_init(&ha->selflogin_lock);
2998  	mutex_init(&ha->optrom_mutex);
2999  
3000  	/* Set ISP-type information. */
3001  	qla2x00_set_isp_flags(ha);
3002  
3003  	/* Set EEH reset type to fundamental if required by hba */
3004  	if (IS_QLA24XX(ha) || IS_QLA25XX(ha) || IS_QLA81XX(ha) ||
3005  	    IS_QLA83XX(ha) || IS_QLA27XX(ha) || IS_QLA28XX(ha))
3006  		pdev->needs_freset = 1;
3007  
3008  	ha->prev_topology = 0;
3009  	ha->init_cb_size = sizeof(init_cb_t);
3010  	ha->link_data_rate = PORT_SPEED_UNKNOWN;
3011  	ha->optrom_size = OPTROM_SIZE_2300;
3012  	ha->max_exchg = FW_MAX_EXCHANGES_CNT;
3013  	atomic_set(&ha->num_pend_mbx_stage1, 0);
3014  	atomic_set(&ha->num_pend_mbx_stage2, 0);
3015  	atomic_set(&ha->zio_threshold, DEFAULT_ZIO_THRESHOLD);
3016  	ha->last_zio_threshold = DEFAULT_ZIO_THRESHOLD;
3017  	INIT_LIST_HEAD(&ha->tmf_pending);
3018  	INIT_LIST_HEAD(&ha->tmf_active);
3019  
3020  	/* Assign ISP specific operations. */
3021  	if (IS_QLA2100(ha)) {
3022  		ha->max_fibre_devices = MAX_FIBRE_DEVICES_2100;
3023  		ha->mbx_count = MAILBOX_REGISTER_COUNT_2100;
3024  		req_length = REQUEST_ENTRY_CNT_2100;
3025  		rsp_length = RESPONSE_ENTRY_CNT_2100;
3026  		ha->max_loop_id = SNS_LAST_LOOP_ID_2100;
3027  		ha->gid_list_info_size = 4;
3028  		ha->flash_conf_off = ~0;
3029  		ha->flash_data_off = ~0;
3030  		ha->nvram_conf_off = ~0;
3031  		ha->nvram_data_off = ~0;
3032  		ha->isp_ops = &qla2100_isp_ops;
3033  	} else if (IS_QLA2200(ha)) {
3034  		ha->max_fibre_devices = MAX_FIBRE_DEVICES_2100;
3035  		ha->mbx_count = MAILBOX_REGISTER_COUNT_2200;
3036  		req_length = REQUEST_ENTRY_CNT_2200;
3037  		rsp_length = RESPONSE_ENTRY_CNT_2100;
3038  		ha->max_loop_id = SNS_LAST_LOOP_ID_2100;
3039  		ha->gid_list_info_size = 4;
3040  		ha->flash_conf_off = ~0;
3041  		ha->flash_data_off = ~0;
3042  		ha->nvram_conf_off = ~0;
3043  		ha->nvram_data_off = ~0;
3044  		ha->isp_ops = &qla2100_isp_ops;
3045  	} else if (IS_QLA23XX(ha)) {
3046  		ha->max_fibre_devices = MAX_FIBRE_DEVICES_2100;
3047  		ha->mbx_count = MAILBOX_REGISTER_COUNT;
3048  		req_length = REQUEST_ENTRY_CNT_2200;
3049  		rsp_length = RESPONSE_ENTRY_CNT_2300;
3050  		ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
3051  		ha->gid_list_info_size = 6;
3052  		if (IS_QLA2322(ha) || IS_QLA6322(ha))
3053  			ha->optrom_size = OPTROM_SIZE_2322;
3054  		ha->flash_conf_off = ~0;
3055  		ha->flash_data_off = ~0;
3056  		ha->nvram_conf_off = ~0;
3057  		ha->nvram_data_off = ~0;
3058  		ha->isp_ops = &qla2300_isp_ops;
3059  	} else if (IS_QLA24XX_TYPE(ha)) {
3060  		ha->max_fibre_devices = MAX_FIBRE_DEVICES_2400;
3061  		ha->mbx_count = MAILBOX_REGISTER_COUNT;
3062  		req_length = REQUEST_ENTRY_CNT_24XX;
3063  		rsp_length = RESPONSE_ENTRY_CNT_2300;
3064  		ha->tgt.atio_q_length = ATIO_ENTRY_CNT_24XX;
3065  		ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
3066  		ha->init_cb_size = sizeof(struct mid_init_cb_24xx);
3067  		ha->gid_list_info_size = 8;
3068  		ha->optrom_size = OPTROM_SIZE_24XX;
3069  		ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA24XX;
3070  		ha->isp_ops = &qla24xx_isp_ops;
3071  		ha->flash_conf_off = FARX_ACCESS_FLASH_CONF;
3072  		ha->flash_data_off = FARX_ACCESS_FLASH_DATA;
3073  		ha->nvram_conf_off = FARX_ACCESS_NVRAM_CONF;
3074  		ha->nvram_data_off = FARX_ACCESS_NVRAM_DATA;
3075  	} else if (IS_QLA25XX(ha)) {
3076  		ha->max_fibre_devices = MAX_FIBRE_DEVICES_2400;
3077  		ha->mbx_count = MAILBOX_REGISTER_COUNT;
3078  		req_length = REQUEST_ENTRY_CNT_24XX;
3079  		rsp_length = RESPONSE_ENTRY_CNT_2300;
3080  		ha->tgt.atio_q_length = ATIO_ENTRY_CNT_24XX;
3081  		ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
3082  		ha->init_cb_size = sizeof(struct mid_init_cb_24xx);
3083  		ha->gid_list_info_size = 8;
3084  		ha->optrom_size = OPTROM_SIZE_25XX;
3085  		ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
3086  		ha->isp_ops = &qla25xx_isp_ops;
3087  		ha->flash_conf_off = FARX_ACCESS_FLASH_CONF;
3088  		ha->flash_data_off = FARX_ACCESS_FLASH_DATA;
3089  		ha->nvram_conf_off = FARX_ACCESS_NVRAM_CONF;
3090  		ha->nvram_data_off = FARX_ACCESS_NVRAM_DATA;
3091  	} else if (IS_QLA81XX(ha)) {
3092  		ha->max_fibre_devices = MAX_FIBRE_DEVICES_2400;
3093  		ha->mbx_count = MAILBOX_REGISTER_COUNT;
3094  		req_length = REQUEST_ENTRY_CNT_24XX;
3095  		rsp_length = RESPONSE_ENTRY_CNT_2300;
3096  		ha->tgt.atio_q_length = ATIO_ENTRY_CNT_24XX;
3097  		ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
3098  		ha->init_cb_size = sizeof(struct mid_init_cb_81xx);
3099  		ha->gid_list_info_size = 8;
3100  		ha->optrom_size = OPTROM_SIZE_81XX;
3101  		ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
3102  		ha->isp_ops = &qla81xx_isp_ops;
3103  		ha->flash_conf_off = FARX_ACCESS_FLASH_CONF_81XX;
3104  		ha->flash_data_off = FARX_ACCESS_FLASH_DATA_81XX;
3105  		ha->nvram_conf_off = ~0;
3106  		ha->nvram_data_off = ~0;
3107  	} else if (IS_QLA82XX(ha)) {
3108  		ha->max_fibre_devices = MAX_FIBRE_DEVICES_2400;
3109  		ha->mbx_count = MAILBOX_REGISTER_COUNT;
3110  		req_length = REQUEST_ENTRY_CNT_82XX;
3111  		rsp_length = RESPONSE_ENTRY_CNT_82XX;
3112  		ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
3113  		ha->init_cb_size = sizeof(struct mid_init_cb_81xx);
3114  		ha->gid_list_info_size = 8;
3115  		ha->optrom_size = OPTROM_SIZE_82XX;
3116  		ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
3117  		ha->isp_ops = &qla82xx_isp_ops;
3118  		ha->flash_conf_off = FARX_ACCESS_FLASH_CONF;
3119  		ha->flash_data_off = FARX_ACCESS_FLASH_DATA;
3120  		ha->nvram_conf_off = FARX_ACCESS_NVRAM_CONF;
3121  		ha->nvram_data_off = FARX_ACCESS_NVRAM_DATA;
3122  	} else if (IS_QLA8044(ha)) {
3123  		ha->max_fibre_devices = MAX_FIBRE_DEVICES_2400;
3124  		ha->mbx_count = MAILBOX_REGISTER_COUNT;
3125  		req_length = REQUEST_ENTRY_CNT_82XX;
3126  		rsp_length = RESPONSE_ENTRY_CNT_82XX;
3127  		ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
3128  		ha->init_cb_size = sizeof(struct mid_init_cb_81xx);
3129  		ha->gid_list_info_size = 8;
3130  		ha->optrom_size = OPTROM_SIZE_83XX;
3131  		ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
3132  		ha->isp_ops = &qla8044_isp_ops;
3133  		ha->flash_conf_off = FARX_ACCESS_FLASH_CONF;
3134  		ha->flash_data_off = FARX_ACCESS_FLASH_DATA;
3135  		ha->nvram_conf_off = FARX_ACCESS_NVRAM_CONF;
3136  		ha->nvram_data_off = FARX_ACCESS_NVRAM_DATA;
3137  	} else if (IS_QLA83XX(ha)) {
3138  		ha->portnum = PCI_FUNC(ha->pdev->devfn);
3139  		ha->max_fibre_devices = MAX_FIBRE_DEVICES_2400;
3140  		ha->mbx_count = MAILBOX_REGISTER_COUNT;
3141  		req_length = REQUEST_ENTRY_CNT_83XX;
3142  		rsp_length = RESPONSE_ENTRY_CNT_83XX;
3143  		ha->tgt.atio_q_length = ATIO_ENTRY_CNT_24XX;
3144  		ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
3145  		ha->init_cb_size = sizeof(struct mid_init_cb_81xx);
3146  		ha->gid_list_info_size = 8;
3147  		ha->optrom_size = OPTROM_SIZE_83XX;
3148  		ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
3149  		ha->isp_ops = &qla83xx_isp_ops;
3150  		ha->flash_conf_off = FARX_ACCESS_FLASH_CONF_81XX;
3151  		ha->flash_data_off = FARX_ACCESS_FLASH_DATA_81XX;
3152  		ha->nvram_conf_off = ~0;
3153  		ha->nvram_data_off = ~0;
3154  	}  else if (IS_QLAFX00(ha)) {
3155  		ha->max_fibre_devices = MAX_FIBRE_DEVICES_FX00;
3156  		ha->mbx_count = MAILBOX_REGISTER_COUNT_FX00;
3157  		ha->aen_mbx_count = AEN_MAILBOX_REGISTER_COUNT_FX00;
3158  		req_length = REQUEST_ENTRY_CNT_FX00;
3159  		rsp_length = RESPONSE_ENTRY_CNT_FX00;
3160  		ha->isp_ops = &qlafx00_isp_ops;
3161  		ha->port_down_retry_count = 30; /* default value */
3162  		ha->mr.fw_hbt_cnt = QLAFX00_HEARTBEAT_INTERVAL;
3163  		ha->mr.fw_reset_timer_tick = QLAFX00_RESET_INTERVAL;
3164  		ha->mr.fw_critemp_timer_tick = QLAFX00_CRITEMP_INTERVAL;
3165  		ha->mr.fw_hbt_en = 1;
3166  		ha->mr.host_info_resend = false;
3167  		ha->mr.hinfo_resend_timer_tick = QLAFX00_HINFO_RESEND_INTERVAL;
3168  	} else if (IS_QLA27XX(ha)) {
3169  		ha->portnum = PCI_FUNC(ha->pdev->devfn);
3170  		ha->max_fibre_devices = MAX_FIBRE_DEVICES_2400;
3171  		ha->mbx_count = MAILBOX_REGISTER_COUNT;
3172  		req_length = REQUEST_ENTRY_CNT_83XX;
3173  		rsp_length = RESPONSE_ENTRY_CNT_83XX;
3174  		ha->tgt.atio_q_length = ATIO_ENTRY_CNT_24XX;
3175  		ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
3176  		ha->init_cb_size = sizeof(struct mid_init_cb_81xx);
3177  		ha->gid_list_info_size = 8;
3178  		ha->optrom_size = OPTROM_SIZE_83XX;
3179  		ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
3180  		ha->isp_ops = &qla27xx_isp_ops;
3181  		ha->flash_conf_off = FARX_ACCESS_FLASH_CONF_81XX;
3182  		ha->flash_data_off = FARX_ACCESS_FLASH_DATA_81XX;
3183  		ha->nvram_conf_off = ~0;
3184  		ha->nvram_data_off = ~0;
3185  	} else if (IS_QLA28XX(ha)) {
3186  		ha->portnum = PCI_FUNC(ha->pdev->devfn);
3187  		ha->max_fibre_devices = MAX_FIBRE_DEVICES_2400;
3188  		ha->mbx_count = MAILBOX_REGISTER_COUNT;
3189  		req_length = REQUEST_ENTRY_CNT_83XX;
3190  		rsp_length = RESPONSE_ENTRY_CNT_83XX;
3191  		ha->tgt.atio_q_length = ATIO_ENTRY_CNT_24XX;
3192  		ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
3193  		ha->init_cb_size = sizeof(struct mid_init_cb_81xx);
3194  		ha->gid_list_info_size = 8;
3195  		ha->optrom_size = OPTROM_SIZE_28XX;
3196  		ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
3197  		ha->isp_ops = &qla27xx_isp_ops;
3198  		ha->flash_conf_off = FARX_ACCESS_FLASH_CONF_28XX;
3199  		ha->flash_data_off = FARX_ACCESS_FLASH_DATA_28XX;
3200  		ha->nvram_conf_off = ~0;
3201  		ha->nvram_data_off = ~0;
3202  	}
3203  
3204  	ql_dbg_pci(ql_dbg_init, pdev, 0x001e,
3205  	    "mbx_count=%d, req_length=%d, "
3206  	    "rsp_length=%d, max_loop_id=%d, init_cb_size=%d, "
3207  	    "gid_list_info_size=%d, optrom_size=%d, nvram_npiv_size=%d, "
3208  	    "max_fibre_devices=%d.\n",
3209  	    ha->mbx_count, req_length, rsp_length, ha->max_loop_id,
3210  	    ha->init_cb_size, ha->gid_list_info_size, ha->optrom_size,
3211  	    ha->nvram_npiv_size, ha->max_fibre_devices);
3212  	ql_dbg_pci(ql_dbg_init, pdev, 0x001f,
3213  	    "isp_ops=%p, flash_conf_off=%d, "
3214  	    "flash_data_off=%d, nvram_conf_off=%d, nvram_data_off=%d.\n",
3215  	    ha->isp_ops, ha->flash_conf_off, ha->flash_data_off,
3216  	    ha->nvram_conf_off, ha->nvram_data_off);
3217  
3218  	/* Configure PCI I/O space */
3219  	ret = ha->isp_ops->iospace_config(ha);
3220  	if (ret)
3221  		goto iospace_config_failed;
3222  
3223  	ql_log_pci(ql_log_info, pdev, 0x001d,
3224  	    "Found an ISP%04X irq %d iobase 0x%p.\n",
3225  	    pdev->device, pdev->irq, ha->iobase);
3226  	mutex_init(&ha->vport_lock);
3227  	mutex_init(&ha->mq_lock);
3228  	init_completion(&ha->mbx_cmd_comp);
3229  	complete(&ha->mbx_cmd_comp);
3230  	init_completion(&ha->mbx_intr_comp);
3231  	init_completion(&ha->dcbx_comp);
3232  	init_completion(&ha->lb_portup_comp);
3233  
3234  	set_bit(0, (unsigned long *) ha->vp_idx_map);
3235  
3236  	qla2x00_config_dma_addressing(ha);
3237  	ql_dbg_pci(ql_dbg_init, pdev, 0x0020,
3238  	    "64 Bit addressing is %s.\n",
3239  	    ha->flags.enable_64bit_addressing ? "enable" :
3240  	    "disable");
3241  	ret = qla2x00_mem_alloc(ha, req_length, rsp_length, &req, &rsp);
3242  	if (ret) {
3243  		ql_log_pci(ql_log_fatal, pdev, 0x0031,
3244  		    "Failed to allocate memory for adapter, aborting.\n");
3245  
3246  		goto probe_hw_failed;
3247  	}
3248  
3249  	req->max_q_depth = MAX_Q_DEPTH;
3250  	if (ql2xmaxqdepth != 0 && ql2xmaxqdepth <= 0xffffU)
3251  		req->max_q_depth = ql2xmaxqdepth;
3252  
3253  
3254  	base_vha = qla2x00_create_host(sht, ha);
3255  	if (!base_vha) {
3256  		ret = -ENOMEM;
3257  		goto probe_hw_failed;
3258  	}
3259  
3260  	pci_set_drvdata(pdev, base_vha);
3261  	set_bit(PFLG_DRIVER_PROBING, &base_vha->pci_flags);
3262  
3263  	host = base_vha->host;
3264  	base_vha->req = req;
3265  	if (IS_QLA2XXX_MIDTYPE(ha))
3266  		base_vha->mgmt_svr_loop_id =
3267  			qla2x00_reserve_mgmt_server_loop_id(base_vha);
3268  	else
3269  		base_vha->mgmt_svr_loop_id = MANAGEMENT_SERVER +
3270  						base_vha->vp_idx;
3271  
3272  	/* Setup fcport template structure. */
3273  	ha->mr.fcport.vha = base_vha;
3274  	ha->mr.fcport.port_type = FCT_UNKNOWN;
3275  	ha->mr.fcport.loop_id = FC_NO_LOOP_ID;
3276  	qla2x00_set_fcport_state(&ha->mr.fcport, FCS_UNCONFIGURED);
3277  	ha->mr.fcport.supported_classes = FC_COS_UNSPECIFIED;
3278  	ha->mr.fcport.scan_state = 1;
3279  
3280  	qla2xxx_reset_stats(host, QLA2XX_HW_ERROR | QLA2XX_SHT_LNK_DWN |
3281  			    QLA2XX_INT_ERR | QLA2XX_CMD_TIMEOUT |
3282  			    QLA2XX_RESET_CMD_ERR | QLA2XX_TGT_SHT_LNK_DOWN);
3283  
3284  	/* Set the SG table size based on ISP type */
3285  	if (!IS_FWI2_CAPABLE(ha)) {
3286  		if (IS_QLA2100(ha))
3287  			host->sg_tablesize = 32;
3288  	} else {
3289  		if (!IS_QLA82XX(ha))
3290  			host->sg_tablesize = QLA_SG_ALL;
3291  	}
3292  	host->max_id = ha->max_fibre_devices;
3293  	host->cmd_per_lun = 3;
3294  	host->unique_id = host->host_no;
3295  
3296  	if (ql2xenabledif && ql2xenabledif != 2) {
3297  		ql_log(ql_log_warn, base_vha, 0x302d,
3298  		       "Invalid value for ql2xenabledif, resetting it to default (2)\n");
3299  		ql2xenabledif = 2;
3300  	}
3301  
3302  	if (IS_T10_PI_CAPABLE(ha) && ql2xenabledif)
3303  		host->max_cmd_len = 32;
3304  	else
3305  		host->max_cmd_len = MAX_CMDSZ;
3306  	host->max_channel = MAX_BUSES - 1;
3307  	/* Older HBAs support only 16-bit LUNs */
3308  	if (!IS_QLAFX00(ha) && !IS_FWI2_CAPABLE(ha) &&
3309  	    ql2xmaxlun > 0xffff)
3310  		host->max_lun = 0xffff;
3311  	else
3312  		host->max_lun = ql2xmaxlun;
3313  	host->transportt = qla2xxx_transport_template;
3314  	sht->vendor_id = (SCSI_NL_VID_TYPE_PCI | PCI_VENDOR_ID_QLOGIC);
3315  
3316  	ql_dbg(ql_dbg_init, base_vha, 0x0033,
3317  	    "max_id=%d this_id=%d "
3318  	    "cmd_per_len=%d unique_id=%d max_cmd_len=%d max_channel=%d "
3319  	    "max_lun=%llu transportt=%p, vendor_id=%llu.\n", host->max_id,
3320  	    host->this_id, host->cmd_per_lun, host->unique_id,
3321  	    host->max_cmd_len, host->max_channel, host->max_lun,
3322  	    host->transportt, sht->vendor_id);
3323  
3324  	INIT_WORK(&ha->heartbeat_work, qla_heartbeat_work_fn);
3325  
3326  	/* Set up the irqs */
3327  	ret = qla2x00_request_irqs(ha, rsp);
3328  	if (ret)
3329  		goto probe_failed;
3330  
3331  	/* Alloc arrays of request and response ring ptrs */
3332  	ret = qla2x00_alloc_queues(ha, req, rsp);
3333  	if (ret) {
3334  		ql_log(ql_log_fatal, base_vha, 0x003d,
3335  		    "Failed to allocate memory for queue pointers..."
3336  		    "aborting.\n");
3337  		ret = -ENODEV;
3338  		goto probe_failed;
3339  	}
3340  
3341  	if (ha->mqenable) {
3342  		/* number of hardware queues supported by blk/scsi-mq*/
3343  		host->nr_hw_queues = ha->max_qpairs;
3344  
3345  		ql_dbg(ql_dbg_init, base_vha, 0x0192,
3346  			"blk/scsi-mq enabled, HW queues = %d.\n", host->nr_hw_queues);
3347  	} else {
3348  		if (ql2xnvmeenable) {
3349  			host->nr_hw_queues = ha->max_qpairs;
3350  			ql_dbg(ql_dbg_init, base_vha, 0x0194,
3351  			    "FC-NVMe support is enabled, HW queues=%d\n",
3352  			    host->nr_hw_queues);
3353  		} else {
3354  			ql_dbg(ql_dbg_init, base_vha, 0x0193,
3355  			    "blk/scsi-mq disabled.\n");
3356  		}
3357  	}
3358  
3359  	qlt_probe_one_stage1(base_vha, ha);
3360  
3361  	pci_save_state(pdev);
3362  
3363  	/* Assign back pointers */
3364  	rsp->req = req;
3365  	req->rsp = rsp;
3366  
3367  	if (IS_QLAFX00(ha)) {
3368  		ha->rsp_q_map[0] = rsp;
3369  		ha->req_q_map[0] = req;
3370  		set_bit(0, ha->req_qid_map);
3371  		set_bit(0, ha->rsp_qid_map);
3372  	}
3373  
3374  	/* FWI2-capable only. */
3375  	req->req_q_in = &ha->iobase->isp24.req_q_in;
3376  	req->req_q_out = &ha->iobase->isp24.req_q_out;
3377  	rsp->rsp_q_in = &ha->iobase->isp24.rsp_q_in;
3378  	rsp->rsp_q_out = &ha->iobase->isp24.rsp_q_out;
3379  	if (ha->mqenable || IS_QLA83XX(ha) || IS_QLA27XX(ha) ||
3380  	    IS_QLA28XX(ha)) {
3381  		req->req_q_in = &ha->mqiobase->isp25mq.req_q_in;
3382  		req->req_q_out = &ha->mqiobase->isp25mq.req_q_out;
3383  		rsp->rsp_q_in = &ha->mqiobase->isp25mq.rsp_q_in;
3384  		rsp->rsp_q_out =  &ha->mqiobase->isp25mq.rsp_q_out;
3385  	}
3386  
3387  	if (IS_QLAFX00(ha)) {
3388  		req->req_q_in = &ha->iobase->ispfx00.req_q_in;
3389  		req->req_q_out = &ha->iobase->ispfx00.req_q_out;
3390  		rsp->rsp_q_in = &ha->iobase->ispfx00.rsp_q_in;
3391  		rsp->rsp_q_out = &ha->iobase->ispfx00.rsp_q_out;
3392  	}
3393  
3394  	if (IS_P3P_TYPE(ha)) {
3395  		req->req_q_out = &ha->iobase->isp82.req_q_out[0];
3396  		rsp->rsp_q_in = &ha->iobase->isp82.rsp_q_in[0];
3397  		rsp->rsp_q_out = &ha->iobase->isp82.rsp_q_out[0];
3398  	}
3399  
3400  	ql_dbg(ql_dbg_multiq, base_vha, 0xc009,
3401  	    "rsp_q_map=%p req_q_map=%p rsp->req=%p req->rsp=%p.\n",
3402  	    ha->rsp_q_map, ha->req_q_map, rsp->req, req->rsp);
3403  	ql_dbg(ql_dbg_multiq, base_vha, 0xc00a,
3404  	    "req->req_q_in=%p req->req_q_out=%p "
3405  	    "rsp->rsp_q_in=%p rsp->rsp_q_out=%p.\n",
3406  	    req->req_q_in, req->req_q_out,
3407  	    rsp->rsp_q_in, rsp->rsp_q_out);
3408  	ql_dbg(ql_dbg_init, base_vha, 0x003e,
3409  	    "rsp_q_map=%p req_q_map=%p rsp->req=%p req->rsp=%p.\n",
3410  	    ha->rsp_q_map, ha->req_q_map, rsp->req, req->rsp);
3411  	ql_dbg(ql_dbg_init, base_vha, 0x003f,
3412  	    "req->req_q_in=%p req->req_q_out=%p rsp->rsp_q_in=%p rsp->rsp_q_out=%p.\n",
3413  	    req->req_q_in, req->req_q_out, rsp->rsp_q_in, rsp->rsp_q_out);
3414  
3415  	ha->wq = alloc_workqueue("qla2xxx_wq", WQ_MEM_RECLAIM, 0);
3416  	if (unlikely(!ha->wq)) {
3417  		ret = -ENOMEM;
3418  		goto probe_failed;
3419  	}
3420  
3421  	if (ha->isp_ops->initialize_adapter(base_vha)) {
3422  		ql_log(ql_log_fatal, base_vha, 0x00d6,
3423  		    "Failed to initialize adapter - Adapter flags %x.\n",
3424  		    base_vha->device_flags);
3425  
3426  		if (IS_QLA82XX(ha)) {
3427  			qla82xx_idc_lock(ha);
3428  			qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE,
3429  				QLA8XXX_DEV_FAILED);
3430  			qla82xx_idc_unlock(ha);
3431  			ql_log(ql_log_fatal, base_vha, 0x00d7,
3432  			    "HW State: FAILED.\n");
3433  		} else if (IS_QLA8044(ha)) {
3434  			qla8044_idc_lock(ha);
3435  			qla8044_wr_direct(base_vha,
3436  				QLA8044_CRB_DEV_STATE_INDEX,
3437  				QLA8XXX_DEV_FAILED);
3438  			qla8044_idc_unlock(ha);
3439  			ql_log(ql_log_fatal, base_vha, 0x0150,
3440  			    "HW State: FAILED.\n");
3441  		}
3442  
3443  		ret = -ENODEV;
3444  		goto probe_failed;
3445  	}
3446  
3447  	if (IS_QLAFX00(ha))
3448  		host->can_queue = QLAFX00_MAX_CANQUEUE;
3449  	else
3450  		host->can_queue = req->num_outstanding_cmds - 10;
3451  
3452  	ql_dbg(ql_dbg_init, base_vha, 0x0032,
3453  	    "can_queue=%d, req=%p, mgmt_svr_loop_id=%d, sg_tablesize=%d.\n",
3454  	    host->can_queue, base_vha->req,
3455  	    base_vha->mgmt_svr_loop_id, host->sg_tablesize);
3456  
3457  	/* Check if FW supports MQ or not for ISP25xx */
3458  	if (IS_QLA25XX(ha) && !(ha->fw_attributes & BIT_6))
3459  		ha->mqenable = 0;
3460  
3461  	if (ha->mqenable) {
3462  		bool startit = false;
3463  
3464  		if (QLA_TGT_MODE_ENABLED())
3465  			startit = false;
3466  
3467  		if (ql2x_ini_mode == QLA2XXX_INI_MODE_ENABLED)
3468  			startit = true;
3469  
3470  		/* Create start of day qpairs for Block MQ */
3471  		for (i = 0; i < ha->max_qpairs; i++)
3472  			qla2xxx_create_qpair(base_vha, 5, 0, startit);
3473  	}
3474  	qla_init_iocb_limit(base_vha);
3475  
3476  	if (ha->flags.running_gold_fw)
3477  		goto skip_dpc;
3478  
3479  	/*
3480  	 * Startup the kernel thread for this host adapter
3481  	 */
3482  	ha->dpc_thread = kthread_create(qla2x00_do_dpc, ha,
3483  	    "%s_dpc", base_vha->host_str);
3484  	if (IS_ERR(ha->dpc_thread)) {
3485  		ql_log(ql_log_fatal, base_vha, 0x00ed,
3486  		    "Failed to start DPC thread.\n");
3487  		ret = PTR_ERR(ha->dpc_thread);
3488  		ha->dpc_thread = NULL;
3489  		goto probe_failed;
3490  	}
3491  	ql_dbg(ql_dbg_init, base_vha, 0x00ee,
3492  	    "DPC thread started successfully.\n");
3493  
3494  	/*
3495  	 * If we're not coming up in initiator mode, we might sit for
3496  	 * a while without waking up the dpc thread, which leads to a
3497  	 * stuck process warning.  So just kick the dpc once here and
3498  	 * let the kthread start (and go back to sleep in qla2x00_do_dpc).
3499  	 */
3500  	qla2xxx_wake_dpc(base_vha);
3501  
3502  	INIT_WORK(&ha->board_disable, qla2x00_disable_board_on_pci_error);
3503  
3504  	if (IS_QLA8031(ha) || IS_MCTP_CAPABLE(ha)) {
3505  		sprintf(wq_name, "qla2xxx_%lu_dpc_lp_wq", base_vha->host_no);
3506  		ha->dpc_lp_wq = create_singlethread_workqueue(wq_name);
3507  		INIT_WORK(&ha->idc_aen, qla83xx_service_idc_aen);
3508  
3509  		sprintf(wq_name, "qla2xxx_%lu_dpc_hp_wq", base_vha->host_no);
3510  		ha->dpc_hp_wq = create_singlethread_workqueue(wq_name);
3511  		INIT_WORK(&ha->nic_core_reset, qla83xx_nic_core_reset_work);
3512  		INIT_WORK(&ha->idc_state_handler,
3513  		    qla83xx_idc_state_handler_work);
3514  		INIT_WORK(&ha->nic_core_unrecoverable,
3515  		    qla83xx_nic_core_unrecoverable_work);
3516  	}
3517  
3518  skip_dpc:
3519  	list_add_tail(&base_vha->list, &ha->vp_list);
3520  	base_vha->host->irq = ha->pdev->irq;
3521  
3522  	/* Initialized the timer */
3523  	qla2x00_start_timer(base_vha, WATCH_INTERVAL);
3524  	ql_dbg(ql_dbg_init, base_vha, 0x00ef,
3525  	    "Started qla2x00_timer with "
3526  	    "interval=%d.\n", WATCH_INTERVAL);
3527  	ql_dbg(ql_dbg_init, base_vha, 0x00f0,
3528  	    "Detected hba at address=%p.\n",
3529  	    ha);
3530  
3531  	if (IS_T10_PI_CAPABLE(ha) && ql2xenabledif) {
3532  		if (ha->fw_attributes & BIT_4) {
3533  			int prot = 0, guard;
3534  
3535  			base_vha->flags.difdix_supported = 1;
3536  			ql_dbg(ql_dbg_init, base_vha, 0x00f1,
3537  			    "Registering for DIF/DIX type 1 and 3 protection.\n");
3538  			if (ql2xprotmask)
3539  				scsi_host_set_prot(host, ql2xprotmask);
3540  			else
3541  				scsi_host_set_prot(host,
3542  				    prot | SHOST_DIF_TYPE1_PROTECTION
3543  				    | SHOST_DIF_TYPE2_PROTECTION
3544  				    | SHOST_DIF_TYPE3_PROTECTION
3545  				    | SHOST_DIX_TYPE1_PROTECTION
3546  				    | SHOST_DIX_TYPE2_PROTECTION
3547  				    | SHOST_DIX_TYPE3_PROTECTION);
3548  
3549  			guard = SHOST_DIX_GUARD_CRC;
3550  
3551  			if (IS_PI_IPGUARD_CAPABLE(ha) &&
3552  			    (ql2xenabledif > 1 || IS_PI_DIFB_DIX0_CAPABLE(ha)))
3553  				guard |= SHOST_DIX_GUARD_IP;
3554  
3555  			if (ql2xprotguard)
3556  				scsi_host_set_guard(host, ql2xprotguard);
3557  			else
3558  				scsi_host_set_guard(host, guard);
3559  		} else
3560  			base_vha->flags.difdix_supported = 0;
3561  	}
3562  
3563  	ha->isp_ops->enable_intrs(ha);
3564  
3565  	if (IS_QLAFX00(ha)) {
3566  		ret = qlafx00_fx_disc(base_vha,
3567  			&base_vha->hw->mr.fcport, FXDISC_GET_CONFIG_INFO);
3568  		host->sg_tablesize = (ha->mr.extended_io_enabled) ?
3569  		    QLA_SG_ALL : 128;
3570  	}
3571  
3572  	ret = scsi_add_host(host, &pdev->dev);
3573  	if (ret)
3574  		goto probe_failed;
3575  
3576  	base_vha->flags.init_done = 1;
3577  	base_vha->flags.online = 1;
3578  	ha->prev_minidump_failed = 0;
3579  
3580  	ql_dbg(ql_dbg_init, base_vha, 0x00f2,
3581  	    "Init done and hba is online.\n");
3582  
3583  	if (qla_ini_mode_enabled(base_vha) ||
3584  		qla_dual_mode_enabled(base_vha))
3585  		scsi_scan_host(host);
3586  	else
3587  		ql_log(ql_log_info, base_vha, 0x0122,
3588  			"skipping scsi_scan_host() for non-initiator port\n");
3589  
3590  	qla2x00_alloc_sysfs_attr(base_vha);
3591  
3592  	if (IS_QLAFX00(ha)) {
3593  		ret = qlafx00_fx_disc(base_vha,
3594  			&base_vha->hw->mr.fcport, FXDISC_GET_PORT_INFO);
3595  
3596  		/* Register system information */
3597  		ret =  qlafx00_fx_disc(base_vha,
3598  			&base_vha->hw->mr.fcport, FXDISC_REG_HOST_INFO);
3599  	}
3600  
3601  	qla2x00_init_host_attr(base_vha);
3602  
3603  	qla2x00_dfs_setup(base_vha);
3604  
3605  	ql_log(ql_log_info, base_vha, 0x00fb,
3606  	    "QLogic %s - %s.\n", ha->model_number, ha->model_desc);
3607  	ql_log(ql_log_info, base_vha, 0x00fc,
3608  	    "ISP%04X: %s @ %s hdma%c host#=%ld fw=%s.\n",
3609  	    pdev->device, ha->isp_ops->pci_info_str(base_vha, pci_info,
3610  						       sizeof(pci_info)),
3611  	    pci_name(pdev), ha->flags.enable_64bit_addressing ? '+' : '-',
3612  	    base_vha->host_no,
3613  	    ha->isp_ops->fw_version_str(base_vha, fw_str, sizeof(fw_str)));
3614  
3615  	qlt_add_target(ha, base_vha);
3616  
3617  	clear_bit(PFLG_DRIVER_PROBING, &base_vha->pci_flags);
3618  
3619  	if (test_bit(UNLOADING, &base_vha->dpc_flags))
3620  		return -ENODEV;
3621  
3622  	return 0;
3623  
3624  probe_failed:
3625  	qla_enode_stop(base_vha);
3626  	qla_edb_stop(base_vha);
3627  	vfree(base_vha->scan.l);
3628  	if (base_vha->gnl.l) {
3629  		dma_free_coherent(&ha->pdev->dev, base_vha->gnl.size,
3630  				base_vha->gnl.l, base_vha->gnl.ldma);
3631  		base_vha->gnl.l = NULL;
3632  	}
3633  
3634  	if (base_vha->timer_active)
3635  		qla2x00_stop_timer(base_vha);
3636  	base_vha->flags.online = 0;
3637  	if (ha->dpc_thread) {
3638  		struct task_struct *t = ha->dpc_thread;
3639  
3640  		ha->dpc_thread = NULL;
3641  		kthread_stop(t);
3642  	}
3643  
3644  	qla2x00_free_device(base_vha);
3645  	scsi_host_put(base_vha->host);
3646  	/*
3647  	 * Need to NULL out local req/rsp after
3648  	 * qla2x00_free_device => qla2x00_free_queues frees
3649  	 * what these are pointing to. Or else we'll
3650  	 * fall over below in qla2x00_free_req/rsp_que.
3651  	 */
3652  	req = NULL;
3653  	rsp = NULL;
3654  
3655  probe_hw_failed:
3656  	qla2x00_mem_free(ha);
3657  	qla2x00_free_req_que(ha, req);
3658  	qla2x00_free_rsp_que(ha, rsp);
3659  	qla2x00_clear_drv_active(ha);
3660  
3661  iospace_config_failed:
3662  	if (IS_P3P_TYPE(ha)) {
3663  		if (!ha->nx_pcibase)
3664  			iounmap((device_reg_t *)ha->nx_pcibase);
3665  		if (!ql2xdbwr)
3666  			iounmap((device_reg_t *)ha->nxdb_wr_ptr);
3667  	} else {
3668  		if (ha->iobase)
3669  			iounmap(ha->iobase);
3670  		if (ha->cregbase)
3671  			iounmap(ha->cregbase);
3672  	}
3673  	pci_release_selected_regions(ha->pdev, ha->bars);
3674  	kfree(ha);
3675  
3676  disable_device:
3677  	pci_disable_device(pdev);
3678  	return ret;
3679  }
3680  
__qla_set_remove_flag(scsi_qla_host_t * base_vha)3681  static void __qla_set_remove_flag(scsi_qla_host_t *base_vha)
3682  {
3683  	scsi_qla_host_t *vp;
3684  	unsigned long flags;
3685  	struct qla_hw_data *ha;
3686  
3687  	if (!base_vha)
3688  		return;
3689  
3690  	ha = base_vha->hw;
3691  
3692  	spin_lock_irqsave(&ha->vport_slock, flags);
3693  	list_for_each_entry(vp, &ha->vp_list, list)
3694  		set_bit(PFLG_DRIVER_REMOVING, &vp->pci_flags);
3695  
3696  	/*
3697  	 * Indicate device removal to prevent future board_disable
3698  	 * and wait until any pending board_disable has completed.
3699  	 */
3700  	set_bit(PFLG_DRIVER_REMOVING, &base_vha->pci_flags);
3701  	spin_unlock_irqrestore(&ha->vport_slock, flags);
3702  }
3703  
3704  static void
qla2x00_shutdown(struct pci_dev * pdev)3705  qla2x00_shutdown(struct pci_dev *pdev)
3706  {
3707  	scsi_qla_host_t *vha;
3708  	struct qla_hw_data  *ha;
3709  
3710  	vha = pci_get_drvdata(pdev);
3711  	ha = vha->hw;
3712  
3713  	ql_log(ql_log_info, vha, 0xfffa,
3714  		"Adapter shutdown\n");
3715  
3716  	/*
3717  	 * Prevent future board_disable and wait
3718  	 * until any pending board_disable has completed.
3719  	 */
3720  	__qla_set_remove_flag(vha);
3721  	cancel_work_sync(&ha->board_disable);
3722  
3723  	if (!atomic_read(&pdev->enable_cnt))
3724  		return;
3725  
3726  	/* Notify ISPFX00 firmware */
3727  	if (IS_QLAFX00(ha))
3728  		qlafx00_driver_shutdown(vha, 20);
3729  
3730  	/* Turn-off FCE trace */
3731  	if (ha->flags.fce_enabled) {
3732  		qla2x00_disable_fce_trace(vha, NULL, NULL);
3733  		ha->flags.fce_enabled = 0;
3734  	}
3735  
3736  	/* Turn-off EFT trace */
3737  	if (ha->eft)
3738  		qla2x00_disable_eft_trace(vha);
3739  
3740  	if (IS_QLA25XX(ha) ||  IS_QLA2031(ha) || IS_QLA27XX(ha) ||
3741  	    IS_QLA28XX(ha)) {
3742  		if (ha->flags.fw_started)
3743  			qla2x00_abort_isp_cleanup(vha);
3744  	} else {
3745  		/* Stop currently executing firmware. */
3746  		qla2x00_try_to_stop_firmware(vha);
3747  	}
3748  
3749  	/* Disable timer */
3750  	if (vha->timer_active)
3751  		qla2x00_stop_timer(vha);
3752  
3753  	/* Turn adapter off line */
3754  	vha->flags.online = 0;
3755  
3756  	/* turn-off interrupts on the card */
3757  	if (ha->interrupts_on) {
3758  		vha->flags.init_done = 0;
3759  		ha->isp_ops->disable_intrs(ha);
3760  	}
3761  
3762  	qla2x00_free_irqs(vha);
3763  
3764  	qla2x00_free_fw_dump(ha);
3765  
3766  	pci_disable_device(pdev);
3767  	ql_log(ql_log_info, vha, 0xfffe,
3768  		"Adapter shutdown successfully.\n");
3769  }
3770  
3771  /* Deletes all the virtual ports for a given ha */
3772  static void
qla2x00_delete_all_vps(struct qla_hw_data * ha,scsi_qla_host_t * base_vha)3773  qla2x00_delete_all_vps(struct qla_hw_data *ha, scsi_qla_host_t *base_vha)
3774  {
3775  	scsi_qla_host_t *vha;
3776  	unsigned long flags;
3777  
3778  	mutex_lock(&ha->vport_lock);
3779  	while (ha->cur_vport_count) {
3780  		spin_lock_irqsave(&ha->vport_slock, flags);
3781  
3782  		BUG_ON(base_vha->list.next == &ha->vp_list);
3783  		/* This assumes first entry in ha->vp_list is always base vha */
3784  		vha = list_first_entry(&base_vha->list, scsi_qla_host_t, list);
3785  		scsi_host_get(vha->host);
3786  
3787  		spin_unlock_irqrestore(&ha->vport_slock, flags);
3788  		mutex_unlock(&ha->vport_lock);
3789  
3790  		qla_nvme_delete(vha);
3791  
3792  		fc_vport_terminate(vha->fc_vport);
3793  		scsi_host_put(vha->host);
3794  
3795  		mutex_lock(&ha->vport_lock);
3796  	}
3797  	mutex_unlock(&ha->vport_lock);
3798  }
3799  
3800  /* Stops all deferred work threads */
3801  static void
qla2x00_destroy_deferred_work(struct qla_hw_data * ha)3802  qla2x00_destroy_deferred_work(struct qla_hw_data *ha)
3803  {
3804  	/* Cancel all work and destroy DPC workqueues */
3805  	if (ha->dpc_lp_wq) {
3806  		cancel_work_sync(&ha->idc_aen);
3807  		destroy_workqueue(ha->dpc_lp_wq);
3808  		ha->dpc_lp_wq = NULL;
3809  	}
3810  
3811  	if (ha->dpc_hp_wq) {
3812  		cancel_work_sync(&ha->nic_core_reset);
3813  		cancel_work_sync(&ha->idc_state_handler);
3814  		cancel_work_sync(&ha->nic_core_unrecoverable);
3815  		destroy_workqueue(ha->dpc_hp_wq);
3816  		ha->dpc_hp_wq = NULL;
3817  	}
3818  
3819  	/* Kill the kernel thread for this host */
3820  	if (ha->dpc_thread) {
3821  		struct task_struct *t = ha->dpc_thread;
3822  
3823  		/*
3824  		 * qla2xxx_wake_dpc checks for ->dpc_thread
3825  		 * so we need to zero it out.
3826  		 */
3827  		ha->dpc_thread = NULL;
3828  		kthread_stop(t);
3829  	}
3830  }
3831  
3832  static void
qla2x00_unmap_iobases(struct qla_hw_data * ha)3833  qla2x00_unmap_iobases(struct qla_hw_data *ha)
3834  {
3835  	if (IS_QLA82XX(ha)) {
3836  
3837  		iounmap((device_reg_t *)ha->nx_pcibase);
3838  		if (!ql2xdbwr)
3839  			iounmap((device_reg_t *)ha->nxdb_wr_ptr);
3840  	} else {
3841  		if (ha->iobase)
3842  			iounmap(ha->iobase);
3843  
3844  		if (ha->cregbase)
3845  			iounmap(ha->cregbase);
3846  
3847  		if (ha->mqiobase)
3848  			iounmap(ha->mqiobase);
3849  
3850  		if (ha->msixbase)
3851  			iounmap(ha->msixbase);
3852  	}
3853  }
3854  
3855  static void
qla2x00_clear_drv_active(struct qla_hw_data * ha)3856  qla2x00_clear_drv_active(struct qla_hw_data *ha)
3857  {
3858  	if (IS_QLA8044(ha)) {
3859  		qla8044_idc_lock(ha);
3860  		qla8044_clear_drv_active(ha);
3861  		qla8044_idc_unlock(ha);
3862  	} else if (IS_QLA82XX(ha)) {
3863  		qla82xx_idc_lock(ha);
3864  		qla82xx_clear_drv_active(ha);
3865  		qla82xx_idc_unlock(ha);
3866  	}
3867  }
3868  
3869  static void
qla2x00_remove_one(struct pci_dev * pdev)3870  qla2x00_remove_one(struct pci_dev *pdev)
3871  {
3872  	scsi_qla_host_t *base_vha;
3873  	struct qla_hw_data  *ha;
3874  
3875  	base_vha = pci_get_drvdata(pdev);
3876  	ha = base_vha->hw;
3877  	ql_log(ql_log_info, base_vha, 0xb079,
3878  	    "Removing driver\n");
3879  	__qla_set_remove_flag(base_vha);
3880  	cancel_work_sync(&ha->board_disable);
3881  
3882  	/*
3883  	 * If the PCI device is disabled then there was a PCI-disconnect and
3884  	 * qla2x00_disable_board_on_pci_error has taken care of most of the
3885  	 * resources.
3886  	 */
3887  	if (!atomic_read(&pdev->enable_cnt)) {
3888  		dma_free_coherent(&ha->pdev->dev, base_vha->gnl.size,
3889  		    base_vha->gnl.l, base_vha->gnl.ldma);
3890  		base_vha->gnl.l = NULL;
3891  		scsi_host_put(base_vha->host);
3892  		kfree(ha);
3893  		pci_set_drvdata(pdev, NULL);
3894  		return;
3895  	}
3896  	qla2x00_wait_for_hba_ready(base_vha);
3897  
3898  	/*
3899  	 * if UNLOADING flag is already set, then continue unload,
3900  	 * where it was set first.
3901  	 */
3902  	if (test_and_set_bit(UNLOADING, &base_vha->dpc_flags))
3903  		return;
3904  
3905  	if (IS_QLA25XX(ha) || IS_QLA2031(ha) || IS_QLA27XX(ha) ||
3906  	    IS_QLA28XX(ha)) {
3907  		if (ha->flags.fw_started)
3908  			qla2x00_abort_isp_cleanup(base_vha);
3909  	} else if (!IS_QLAFX00(ha)) {
3910  		if (IS_QLA8031(ha)) {
3911  			ql_dbg(ql_dbg_p3p, base_vha, 0xb07e,
3912  			    "Clearing fcoe driver presence.\n");
3913  			if (qla83xx_clear_drv_presence(base_vha) != QLA_SUCCESS)
3914  				ql_dbg(ql_dbg_p3p, base_vha, 0xb079,
3915  				    "Error while clearing DRV-Presence.\n");
3916  		}
3917  
3918  		qla2x00_try_to_stop_firmware(base_vha);
3919  	}
3920  
3921  	qla2x00_wait_for_sess_deletion(base_vha);
3922  
3923  	qla_nvme_delete(base_vha);
3924  
3925  	dma_free_coherent(&ha->pdev->dev,
3926  		base_vha->gnl.size, base_vha->gnl.l, base_vha->gnl.ldma);
3927  
3928  	base_vha->gnl.l = NULL;
3929  	qla_enode_stop(base_vha);
3930  	qla_edb_stop(base_vha);
3931  
3932  	vfree(base_vha->scan.l);
3933  
3934  	if (IS_QLAFX00(ha))
3935  		qlafx00_driver_shutdown(base_vha, 20);
3936  
3937  	qla2x00_delete_all_vps(ha, base_vha);
3938  
3939  	qla2x00_dfs_remove(base_vha);
3940  
3941  	qla84xx_put_chip(base_vha);
3942  
3943  	/* Disable timer */
3944  	if (base_vha->timer_active)
3945  		qla2x00_stop_timer(base_vha);
3946  
3947  	base_vha->flags.online = 0;
3948  
3949  	/* free DMA memory */
3950  	if (ha->exlogin_buf)
3951  		qla2x00_free_exlogin_buffer(ha);
3952  
3953  	/* free DMA memory */
3954  	if (ha->exchoffld_buf)
3955  		qla2x00_free_exchoffld_buffer(ha);
3956  
3957  	qla2x00_destroy_deferred_work(ha);
3958  
3959  	qlt_remove_target(ha, base_vha);
3960  
3961  	qla2x00_free_sysfs_attr(base_vha, true);
3962  
3963  	fc_remove_host(base_vha->host);
3964  
3965  	scsi_remove_host(base_vha->host);
3966  
3967  	qla2x00_free_device(base_vha);
3968  
3969  	qla2x00_clear_drv_active(ha);
3970  
3971  	scsi_host_put(base_vha->host);
3972  
3973  	qla2x00_unmap_iobases(ha);
3974  
3975  	pci_release_selected_regions(ha->pdev, ha->bars);
3976  	kfree(ha);
3977  
3978  	pci_disable_device(pdev);
3979  }
3980  
3981  static inline void
qla24xx_free_purex_list(struct purex_list * list)3982  qla24xx_free_purex_list(struct purex_list *list)
3983  {
3984  	struct purex_item *item, *next;
3985  	ulong flags;
3986  
3987  	spin_lock_irqsave(&list->lock, flags);
3988  	list_for_each_entry_safe(item, next, &list->head, list) {
3989  		list_del(&item->list);
3990  		if (item == &item->vha->default_item)
3991  			continue;
3992  		kfree(item);
3993  	}
3994  	spin_unlock_irqrestore(&list->lock, flags);
3995  }
3996  
3997  static void
qla2x00_free_device(scsi_qla_host_t * vha)3998  qla2x00_free_device(scsi_qla_host_t *vha)
3999  {
4000  	struct qla_hw_data *ha = vha->hw;
4001  
4002  	qla2x00_abort_all_cmds(vha, DID_NO_CONNECT << 16);
4003  
4004  	/* Disable timer */
4005  	if (vha->timer_active)
4006  		qla2x00_stop_timer(vha);
4007  
4008  	qla25xx_delete_queues(vha);
4009  	vha->flags.online = 0;
4010  
4011  	/* turn-off interrupts on the card */
4012  	if (ha->interrupts_on) {
4013  		vha->flags.init_done = 0;
4014  		ha->isp_ops->disable_intrs(ha);
4015  	}
4016  
4017  	qla2x00_free_fcports(vha);
4018  
4019  	qla2x00_free_irqs(vha);
4020  
4021  	/* Flush the work queue and remove it */
4022  	if (ha->wq) {
4023  		destroy_workqueue(ha->wq);
4024  		ha->wq = NULL;
4025  	}
4026  
4027  
4028  	qla24xx_free_purex_list(&vha->purex_list);
4029  
4030  	qla2x00_mem_free(ha);
4031  
4032  	qla82xx_md_free(vha);
4033  
4034  	qla_edif_sadb_release_free_pool(ha);
4035  	qla_edif_sadb_release(ha);
4036  
4037  	qla2x00_free_queues(ha);
4038  }
4039  
qla2x00_free_fcports(struct scsi_qla_host * vha)4040  void qla2x00_free_fcports(struct scsi_qla_host *vha)
4041  {
4042  	fc_port_t *fcport, *tfcport;
4043  
4044  	list_for_each_entry_safe(fcport, tfcport, &vha->vp_fcports, list)
4045  		qla2x00_free_fcport(fcport);
4046  }
4047  
4048  static inline void
qla2x00_schedule_rport_del(struct scsi_qla_host * vha,fc_port_t * fcport)4049  qla2x00_schedule_rport_del(struct scsi_qla_host *vha, fc_port_t *fcport)
4050  {
4051  	int now;
4052  
4053  	if (!fcport->rport)
4054  		return;
4055  
4056  	if (fcport->rport) {
4057  		ql_dbg(ql_dbg_disc, fcport->vha, 0x2109,
4058  		    "%s %8phN. rport %p roles %x\n",
4059  		    __func__, fcport->port_name, fcport->rport,
4060  		    fcport->rport->roles);
4061  		fc_remote_port_delete(fcport->rport);
4062  	}
4063  	qlt_do_generation_tick(vha, &now);
4064  }
4065  
4066  /*
4067   * qla2x00_mark_device_lost Updates fcport state when device goes offline.
4068   *
4069   * Input: ha = adapter block pointer.  fcport = port structure pointer.
4070   *
4071   * Return: None.
4072   *
4073   * Context:
4074   */
qla2x00_mark_device_lost(scsi_qla_host_t * vha,fc_port_t * fcport,int do_login)4075  void qla2x00_mark_device_lost(scsi_qla_host_t *vha, fc_port_t *fcport,
4076      int do_login)
4077  {
4078  	if (IS_QLAFX00(vha->hw)) {
4079  		qla2x00_set_fcport_state(fcport, FCS_DEVICE_LOST);
4080  		qla2x00_schedule_rport_del(vha, fcport);
4081  		return;
4082  	}
4083  
4084  	if (atomic_read(&fcport->state) == FCS_ONLINE &&
4085  	    vha->vp_idx == fcport->vha->vp_idx) {
4086  		qla2x00_set_fcport_state(fcport, FCS_DEVICE_LOST);
4087  		qla2x00_schedule_rport_del(vha, fcport);
4088  	}
4089  
4090  	/*
4091  	 * We may need to retry the login, so don't change the state of the
4092  	 * port but do the retries.
4093  	 */
4094  	if (atomic_read(&fcport->state) != FCS_DEVICE_DEAD)
4095  		qla2x00_set_fcport_state(fcport, FCS_DEVICE_LOST);
4096  
4097  	if (!do_login)
4098  		return;
4099  
4100  	set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
4101  }
4102  
4103  void
qla2x00_mark_all_devices_lost(scsi_qla_host_t * vha)4104  qla2x00_mark_all_devices_lost(scsi_qla_host_t *vha)
4105  {
4106  	fc_port_t *fcport;
4107  
4108  	ql_dbg(ql_dbg_disc, vha, 0x20f1,
4109  	    "Mark all dev lost\n");
4110  
4111  	list_for_each_entry(fcport, &vha->vp_fcports, list) {
4112  		if (ql2xfc2target &&
4113  		    fcport->loop_id != FC_NO_LOOP_ID &&
4114  		    (fcport->flags & FCF_FCP2_DEVICE) &&
4115  		    fcport->port_type == FCT_TARGET &&
4116  		    !qla2x00_reset_active(vha)) {
4117  			ql_dbg(ql_dbg_disc, vha, 0x211a,
4118  			       "Delaying session delete for FCP2 flags 0x%x port_type = 0x%x port_id=%06x %phC",
4119  			       fcport->flags, fcport->port_type,
4120  			       fcport->d_id.b24, fcport->port_name);
4121  			continue;
4122  		}
4123  		fcport->scan_state = 0;
4124  		qlt_schedule_sess_for_deletion(fcport);
4125  	}
4126  }
4127  
qla2x00_set_reserved_loop_ids(struct qla_hw_data * ha)4128  static void qla2x00_set_reserved_loop_ids(struct qla_hw_data *ha)
4129  {
4130  	int i;
4131  
4132  	if (IS_FWI2_CAPABLE(ha))
4133  		return;
4134  
4135  	for (i = 0; i < SNS_FIRST_LOOP_ID; i++)
4136  		set_bit(i, ha->loop_id_map);
4137  	set_bit(MANAGEMENT_SERVER, ha->loop_id_map);
4138  	set_bit(BROADCAST, ha->loop_id_map);
4139  }
4140  
4141  /*
4142  * qla2x00_mem_alloc
4143  *      Allocates adapter memory.
4144  *
4145  * Returns:
4146  *      0  = success.
4147  *      !0  = failure.
4148  */
4149  static int
qla2x00_mem_alloc(struct qla_hw_data * ha,uint16_t req_len,uint16_t rsp_len,struct req_que ** req,struct rsp_que ** rsp)4150  qla2x00_mem_alloc(struct qla_hw_data *ha, uint16_t req_len, uint16_t rsp_len,
4151  	struct req_que **req, struct rsp_que **rsp)
4152  {
4153  	char	name[16];
4154  	int rc;
4155  
4156  	if (QLA_TGT_MODE_ENABLED() || EDIF_CAP(ha)) {
4157  		ha->vp_map = kcalloc(MAX_MULTI_ID_FABRIC, sizeof(struct qla_vp_map), GFP_KERNEL);
4158  		if (!ha->vp_map)
4159  			goto fail;
4160  	}
4161  
4162  	ha->init_cb = dma_alloc_coherent(&ha->pdev->dev, ha->init_cb_size,
4163  		&ha->init_cb_dma, GFP_KERNEL);
4164  	if (!ha->init_cb)
4165  		goto fail_free_vp_map;
4166  
4167  	rc = btree_init32(&ha->host_map);
4168  	if (rc)
4169  		goto fail_free_init_cb;
4170  
4171  	if (qlt_mem_alloc(ha) < 0)
4172  		goto fail_free_btree;
4173  
4174  	ha->gid_list = dma_alloc_coherent(&ha->pdev->dev,
4175  		qla2x00_gid_list_size(ha), &ha->gid_list_dma, GFP_KERNEL);
4176  	if (!ha->gid_list)
4177  		goto fail_free_tgt_mem;
4178  
4179  	ha->srb_mempool = mempool_create_slab_pool(SRB_MIN_REQ, srb_cachep);
4180  	if (!ha->srb_mempool)
4181  		goto fail_free_gid_list;
4182  
4183  	if (IS_P3P_TYPE(ha) || IS_QLA27XX(ha) || (ql2xsecenable && IS_QLA28XX(ha))) {
4184  		/* Allocate cache for CT6 Ctx. */
4185  		if (!ctx_cachep) {
4186  			ctx_cachep = kmem_cache_create("qla2xxx_ctx",
4187  				sizeof(struct ct6_dsd), 0,
4188  				SLAB_HWCACHE_ALIGN, NULL);
4189  			if (!ctx_cachep)
4190  				goto fail_free_srb_mempool;
4191  		}
4192  		ha->ctx_mempool = mempool_create_slab_pool(SRB_MIN_REQ,
4193  			ctx_cachep);
4194  		if (!ha->ctx_mempool)
4195  			goto fail_free_srb_mempool;
4196  		ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0021,
4197  		    "ctx_cachep=%p ctx_mempool=%p.\n",
4198  		    ctx_cachep, ha->ctx_mempool);
4199  	}
4200  
4201  	/* Get memory for cached NVRAM */
4202  	ha->nvram = kzalloc(MAX_NVRAM_SIZE, GFP_KERNEL);
4203  	if (!ha->nvram)
4204  		goto fail_free_ctx_mempool;
4205  
4206  	snprintf(name, sizeof(name), "%s_%d", QLA2XXX_DRIVER_NAME,
4207  		ha->pdev->device);
4208  	ha->s_dma_pool = dma_pool_create(name, &ha->pdev->dev,
4209  		DMA_POOL_SIZE, 8, 0);
4210  	if (!ha->s_dma_pool)
4211  		goto fail_free_nvram;
4212  
4213  	ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0022,
4214  	    "init_cb=%p gid_list=%p, srb_mempool=%p s_dma_pool=%p.\n",
4215  	    ha->init_cb, ha->gid_list, ha->srb_mempool, ha->s_dma_pool);
4216  
4217  	if (IS_P3P_TYPE(ha) || ql2xenabledif || (IS_QLA28XX(ha) && ql2xsecenable)) {
4218  		ha->dl_dma_pool = dma_pool_create(name, &ha->pdev->dev,
4219  			DSD_LIST_DMA_POOL_SIZE, 8, 0);
4220  		if (!ha->dl_dma_pool) {
4221  			ql_log_pci(ql_log_fatal, ha->pdev, 0x0023,
4222  			    "Failed to allocate memory for dl_dma_pool.\n");
4223  			goto fail_s_dma_pool;
4224  		}
4225  
4226  		ha->fcp_cmnd_dma_pool = dma_pool_create(name, &ha->pdev->dev,
4227  			FCP_CMND_DMA_POOL_SIZE, 8, 0);
4228  		if (!ha->fcp_cmnd_dma_pool) {
4229  			ql_log_pci(ql_log_fatal, ha->pdev, 0x0024,
4230  			    "Failed to allocate memory for fcp_cmnd_dma_pool.\n");
4231  			goto fail_dl_dma_pool;
4232  		}
4233  
4234  		if (ql2xenabledif) {
4235  			u64 bufsize = DIF_BUNDLING_DMA_POOL_SIZE;
4236  			struct dsd_dma *dsd, *nxt;
4237  			uint i;
4238  			/* Creata a DMA pool of buffers for DIF bundling */
4239  			ha->dif_bundl_pool = dma_pool_create(name,
4240  			    &ha->pdev->dev, DIF_BUNDLING_DMA_POOL_SIZE, 8, 0);
4241  			if (!ha->dif_bundl_pool) {
4242  				ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0024,
4243  				    "%s: failed create dif_bundl_pool\n",
4244  				    __func__);
4245  				goto fail_dif_bundl_dma_pool;
4246  			}
4247  
4248  			INIT_LIST_HEAD(&ha->pool.good.head);
4249  			INIT_LIST_HEAD(&ha->pool.unusable.head);
4250  			ha->pool.good.count = 0;
4251  			ha->pool.unusable.count = 0;
4252  			for (i = 0; i < 128; i++) {
4253  				dsd = kzalloc(sizeof(*dsd), GFP_ATOMIC);
4254  				if (!dsd) {
4255  					ql_dbg_pci(ql_dbg_init, ha->pdev,
4256  					    0xe0ee, "%s: failed alloc dsd\n",
4257  					    __func__);
4258  					return -ENOMEM;
4259  				}
4260  				ha->dif_bundle_kallocs++;
4261  
4262  				dsd->dsd_addr = dma_pool_alloc(
4263  				    ha->dif_bundl_pool, GFP_ATOMIC,
4264  				    &dsd->dsd_list_dma);
4265  				if (!dsd->dsd_addr) {
4266  					ql_dbg_pci(ql_dbg_init, ha->pdev,
4267  					    0xe0ee,
4268  					    "%s: failed alloc ->dsd_addr\n",
4269  					    __func__);
4270  					kfree(dsd);
4271  					ha->dif_bundle_kallocs--;
4272  					continue;
4273  				}
4274  				ha->dif_bundle_dma_allocs++;
4275  
4276  				/*
4277  				 * if DMA buffer crosses 4G boundary,
4278  				 * put it on bad list
4279  				 */
4280  				if (MSD(dsd->dsd_list_dma) ^
4281  				    MSD(dsd->dsd_list_dma + bufsize)) {
4282  					list_add_tail(&dsd->list,
4283  					    &ha->pool.unusable.head);
4284  					ha->pool.unusable.count++;
4285  				} else {
4286  					list_add_tail(&dsd->list,
4287  					    &ha->pool.good.head);
4288  					ha->pool.good.count++;
4289  				}
4290  			}
4291  
4292  			/* return the good ones back to the pool */
4293  			list_for_each_entry_safe(dsd, nxt,
4294  			    &ha->pool.good.head, list) {
4295  				list_del(&dsd->list);
4296  				dma_pool_free(ha->dif_bundl_pool,
4297  				    dsd->dsd_addr, dsd->dsd_list_dma);
4298  				ha->dif_bundle_dma_allocs--;
4299  				kfree(dsd);
4300  				ha->dif_bundle_kallocs--;
4301  			}
4302  
4303  			ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0024,
4304  			    "%s: dif dma pool (good=%u unusable=%u)\n",
4305  			    __func__, ha->pool.good.count,
4306  			    ha->pool.unusable.count);
4307  		}
4308  
4309  		ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0025,
4310  		    "dl_dma_pool=%p fcp_cmnd_dma_pool=%p dif_bundl_pool=%p.\n",
4311  		    ha->dl_dma_pool, ha->fcp_cmnd_dma_pool,
4312  		    ha->dif_bundl_pool);
4313  	}
4314  
4315  	/* Allocate memory for SNS commands */
4316  	if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
4317  	/* Get consistent memory allocated for SNS commands */
4318  		ha->sns_cmd = dma_alloc_coherent(&ha->pdev->dev,
4319  		sizeof(struct sns_cmd_pkt), &ha->sns_cmd_dma, GFP_KERNEL);
4320  		if (!ha->sns_cmd)
4321  			goto fail_dma_pool;
4322  		ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0026,
4323  		    "sns_cmd: %p.\n", ha->sns_cmd);
4324  	} else {
4325  	/* Get consistent memory allocated for MS IOCB */
4326  		ha->ms_iocb = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
4327  			&ha->ms_iocb_dma);
4328  		if (!ha->ms_iocb)
4329  			goto fail_dma_pool;
4330  	/* Get consistent memory allocated for CT SNS commands */
4331  		ha->ct_sns = dma_alloc_coherent(&ha->pdev->dev,
4332  			sizeof(struct ct_sns_pkt), &ha->ct_sns_dma, GFP_KERNEL);
4333  		if (!ha->ct_sns)
4334  			goto fail_free_ms_iocb;
4335  		ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0027,
4336  		    "ms_iocb=%p ct_sns=%p.\n",
4337  		    ha->ms_iocb, ha->ct_sns);
4338  	}
4339  
4340  	/* Allocate memory for request ring */
4341  	*req = kzalloc(sizeof(struct req_que), GFP_KERNEL);
4342  	if (!*req) {
4343  		ql_log_pci(ql_log_fatal, ha->pdev, 0x0028,
4344  		    "Failed to allocate memory for req.\n");
4345  		goto fail_req;
4346  	}
4347  	(*req)->length = req_len;
4348  	(*req)->ring = dma_alloc_coherent(&ha->pdev->dev,
4349  		((*req)->length + 1) * sizeof(request_t),
4350  		&(*req)->dma, GFP_KERNEL);
4351  	if (!(*req)->ring) {
4352  		ql_log_pci(ql_log_fatal, ha->pdev, 0x0029,
4353  		    "Failed to allocate memory for req_ring.\n");
4354  		goto fail_req_ring;
4355  	}
4356  	/* Allocate memory for response ring */
4357  	*rsp = kzalloc(sizeof(struct rsp_que), GFP_KERNEL);
4358  	if (!*rsp) {
4359  		ql_log_pci(ql_log_fatal, ha->pdev, 0x002a,
4360  		    "Failed to allocate memory for rsp.\n");
4361  		goto fail_rsp;
4362  	}
4363  	(*rsp)->hw = ha;
4364  	(*rsp)->length = rsp_len;
4365  	(*rsp)->ring = dma_alloc_coherent(&ha->pdev->dev,
4366  		((*rsp)->length + 1) * sizeof(response_t),
4367  		&(*rsp)->dma, GFP_KERNEL);
4368  	if (!(*rsp)->ring) {
4369  		ql_log_pci(ql_log_fatal, ha->pdev, 0x002b,
4370  		    "Failed to allocate memory for rsp_ring.\n");
4371  		goto fail_rsp_ring;
4372  	}
4373  	(*req)->rsp = *rsp;
4374  	(*rsp)->req = *req;
4375  	ql_dbg_pci(ql_dbg_init, ha->pdev, 0x002c,
4376  	    "req=%p req->length=%d req->ring=%p rsp=%p "
4377  	    "rsp->length=%d rsp->ring=%p.\n",
4378  	    *req, (*req)->length, (*req)->ring, *rsp, (*rsp)->length,
4379  	    (*rsp)->ring);
4380  	/* Allocate memory for NVRAM data for vports */
4381  	if (ha->nvram_npiv_size) {
4382  		ha->npiv_info = kcalloc(ha->nvram_npiv_size,
4383  					sizeof(struct qla_npiv_entry),
4384  					GFP_KERNEL);
4385  		if (!ha->npiv_info) {
4386  			ql_log_pci(ql_log_fatal, ha->pdev, 0x002d,
4387  			    "Failed to allocate memory for npiv_info.\n");
4388  			goto fail_npiv_info;
4389  		}
4390  	} else
4391  		ha->npiv_info = NULL;
4392  
4393  	/* Get consistent memory allocated for EX-INIT-CB. */
4394  	if (IS_CNA_CAPABLE(ha) || IS_QLA2031(ha) || IS_QLA27XX(ha) ||
4395  	    IS_QLA28XX(ha)) {
4396  		ha->ex_init_cb = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
4397  		    &ha->ex_init_cb_dma);
4398  		if (!ha->ex_init_cb)
4399  			goto fail_ex_init_cb;
4400  		ql_dbg_pci(ql_dbg_init, ha->pdev, 0x002e,
4401  		    "ex_init_cb=%p.\n", ha->ex_init_cb);
4402  	}
4403  
4404  	/* Get consistent memory allocated for Special Features-CB. */
4405  	if (IS_QLA27XX(ha) || IS_QLA28XX(ha)) {
4406  		ha->sf_init_cb = dma_pool_zalloc(ha->s_dma_pool, GFP_KERNEL,
4407  						&ha->sf_init_cb_dma);
4408  		if (!ha->sf_init_cb)
4409  			goto fail_sf_init_cb;
4410  		ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0199,
4411  			   "sf_init_cb=%p.\n", ha->sf_init_cb);
4412  	}
4413  
4414  
4415  	/* Get consistent memory allocated for Async Port-Database. */
4416  	if (!IS_FWI2_CAPABLE(ha)) {
4417  		ha->async_pd = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
4418  			&ha->async_pd_dma);
4419  		if (!ha->async_pd)
4420  			goto fail_async_pd;
4421  		ql_dbg_pci(ql_dbg_init, ha->pdev, 0x002f,
4422  		    "async_pd=%p.\n", ha->async_pd);
4423  	}
4424  
4425  	INIT_LIST_HEAD(&ha->vp_list);
4426  
4427  	/* Allocate memory for our loop_id bitmap */
4428  	ha->loop_id_map = kcalloc(BITS_TO_LONGS(LOOPID_MAP_SIZE),
4429  				  sizeof(long),
4430  				  GFP_KERNEL);
4431  	if (!ha->loop_id_map)
4432  		goto fail_loop_id_map;
4433  	else {
4434  		qla2x00_set_reserved_loop_ids(ha);
4435  		ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0123,
4436  		    "loop_id_map=%p.\n", ha->loop_id_map);
4437  	}
4438  
4439  	ha->sfp_data = dma_alloc_coherent(&ha->pdev->dev,
4440  	    SFP_DEV_SIZE, &ha->sfp_data_dma, GFP_KERNEL);
4441  	if (!ha->sfp_data) {
4442  		ql_dbg_pci(ql_dbg_init, ha->pdev, 0x011b,
4443  		    "Unable to allocate memory for SFP read-data.\n");
4444  		goto fail_sfp_data;
4445  	}
4446  
4447  	ha->flt = dma_alloc_coherent(&ha->pdev->dev,
4448  	    sizeof(struct qla_flt_header) + FLT_REGIONS_SIZE, &ha->flt_dma,
4449  	    GFP_KERNEL);
4450  	if (!ha->flt) {
4451  		ql_dbg_pci(ql_dbg_init, ha->pdev, 0x011b,
4452  		    "Unable to allocate memory for FLT.\n");
4453  		goto fail_flt_buffer;
4454  	}
4455  
4456  	/* allocate the purex dma pool */
4457  	ha->purex_dma_pool = dma_pool_create(name, &ha->pdev->dev,
4458  	    ELS_MAX_PAYLOAD, 8, 0);
4459  
4460  	if (!ha->purex_dma_pool) {
4461  		ql_dbg_pci(ql_dbg_init, ha->pdev, 0x011b,
4462  		    "Unable to allocate purex_dma_pool.\n");
4463  		goto fail_flt;
4464  	}
4465  
4466  	ha->elsrej.size = sizeof(struct fc_els_ls_rjt) + 16;
4467  	ha->elsrej.c = dma_alloc_coherent(&ha->pdev->dev,
4468  					  ha->elsrej.size,
4469  					  &ha->elsrej.cdma,
4470  					  GFP_KERNEL);
4471  	if (!ha->elsrej.c) {
4472  		ql_dbg_pci(ql_dbg_init, ha->pdev, 0xffff,
4473  		    "Alloc failed for els reject cmd.\n");
4474  		goto fail_elsrej;
4475  	}
4476  	ha->elsrej.c->er_cmd = ELS_LS_RJT;
4477  	ha->elsrej.c->er_reason = ELS_RJT_LOGIC;
4478  	ha->elsrej.c->er_explan = ELS_EXPL_UNAB_DATA;
4479  
4480  	ha->lsrjt.size = sizeof(struct fcnvme_ls_rjt);
4481  	ha->lsrjt.c = dma_alloc_coherent(&ha->pdev->dev, ha->lsrjt.size,
4482  			&ha->lsrjt.cdma, GFP_KERNEL);
4483  	if (!ha->lsrjt.c) {
4484  		ql_dbg_pci(ql_dbg_init, ha->pdev, 0xffff,
4485  			   "Alloc failed for nvme fc reject cmd.\n");
4486  		goto fail_lsrjt;
4487  	}
4488  
4489  	return 0;
4490  
4491  fail_lsrjt:
4492  	dma_free_coherent(&ha->pdev->dev, ha->elsrej.size,
4493  			  ha->elsrej.c, ha->elsrej.cdma);
4494  fail_elsrej:
4495  	dma_pool_destroy(ha->purex_dma_pool);
4496  fail_flt:
4497  	dma_free_coherent(&ha->pdev->dev, SFP_DEV_SIZE,
4498  	    ha->flt, ha->flt_dma);
4499  
4500  fail_flt_buffer:
4501  	dma_free_coherent(&ha->pdev->dev, SFP_DEV_SIZE,
4502  	    ha->sfp_data, ha->sfp_data_dma);
4503  fail_sfp_data:
4504  	kfree(ha->loop_id_map);
4505  fail_loop_id_map:
4506  	dma_pool_free(ha->s_dma_pool, ha->async_pd, ha->async_pd_dma);
4507  fail_async_pd:
4508  	dma_pool_free(ha->s_dma_pool, ha->sf_init_cb, ha->sf_init_cb_dma);
4509  fail_sf_init_cb:
4510  	dma_pool_free(ha->s_dma_pool, ha->ex_init_cb, ha->ex_init_cb_dma);
4511  fail_ex_init_cb:
4512  	kfree(ha->npiv_info);
4513  fail_npiv_info:
4514  	dma_free_coherent(&ha->pdev->dev, ((*rsp)->length + 1) *
4515  		sizeof(response_t), (*rsp)->ring, (*rsp)->dma);
4516  	(*rsp)->ring = NULL;
4517  	(*rsp)->dma = 0;
4518  fail_rsp_ring:
4519  	kfree(*rsp);
4520  	*rsp = NULL;
4521  fail_rsp:
4522  	dma_free_coherent(&ha->pdev->dev, ((*req)->length + 1) *
4523  		sizeof(request_t), (*req)->ring, (*req)->dma);
4524  	(*req)->ring = NULL;
4525  	(*req)->dma = 0;
4526  fail_req_ring:
4527  	kfree(*req);
4528  	*req = NULL;
4529  fail_req:
4530  	dma_free_coherent(&ha->pdev->dev, sizeof(struct ct_sns_pkt),
4531  		ha->ct_sns, ha->ct_sns_dma);
4532  	ha->ct_sns = NULL;
4533  	ha->ct_sns_dma = 0;
4534  fail_free_ms_iocb:
4535  	dma_pool_free(ha->s_dma_pool, ha->ms_iocb, ha->ms_iocb_dma);
4536  	ha->ms_iocb = NULL;
4537  	ha->ms_iocb_dma = 0;
4538  
4539  	if (ha->sns_cmd)
4540  		dma_free_coherent(&ha->pdev->dev, sizeof(struct sns_cmd_pkt),
4541  		    ha->sns_cmd, ha->sns_cmd_dma);
4542  fail_dma_pool:
4543  	if (ql2xenabledif) {
4544  		struct dsd_dma *dsd, *nxt;
4545  
4546  		list_for_each_entry_safe(dsd, nxt, &ha->pool.unusable.head,
4547  		    list) {
4548  			list_del(&dsd->list);
4549  			dma_pool_free(ha->dif_bundl_pool, dsd->dsd_addr,
4550  			    dsd->dsd_list_dma);
4551  			ha->dif_bundle_dma_allocs--;
4552  			kfree(dsd);
4553  			ha->dif_bundle_kallocs--;
4554  			ha->pool.unusable.count--;
4555  		}
4556  		dma_pool_destroy(ha->dif_bundl_pool);
4557  		ha->dif_bundl_pool = NULL;
4558  	}
4559  
4560  fail_dif_bundl_dma_pool:
4561  	if (IS_QLA82XX(ha) || ql2xenabledif) {
4562  		dma_pool_destroy(ha->fcp_cmnd_dma_pool);
4563  		ha->fcp_cmnd_dma_pool = NULL;
4564  	}
4565  fail_dl_dma_pool:
4566  	if (IS_QLA82XX(ha) || ql2xenabledif) {
4567  		dma_pool_destroy(ha->dl_dma_pool);
4568  		ha->dl_dma_pool = NULL;
4569  	}
4570  fail_s_dma_pool:
4571  	dma_pool_destroy(ha->s_dma_pool);
4572  	ha->s_dma_pool = NULL;
4573  fail_free_nvram:
4574  	kfree(ha->nvram);
4575  	ha->nvram = NULL;
4576  fail_free_ctx_mempool:
4577  	mempool_destroy(ha->ctx_mempool);
4578  	ha->ctx_mempool = NULL;
4579  fail_free_srb_mempool:
4580  	mempool_destroy(ha->srb_mempool);
4581  	ha->srb_mempool = NULL;
4582  fail_free_gid_list:
4583  	dma_free_coherent(&ha->pdev->dev, qla2x00_gid_list_size(ha),
4584  	ha->gid_list,
4585  	ha->gid_list_dma);
4586  	ha->gid_list = NULL;
4587  	ha->gid_list_dma = 0;
4588  fail_free_tgt_mem:
4589  	qlt_mem_free(ha);
4590  fail_free_btree:
4591  	btree_destroy32(&ha->host_map);
4592  fail_free_init_cb:
4593  	dma_free_coherent(&ha->pdev->dev, ha->init_cb_size, ha->init_cb,
4594  	ha->init_cb_dma);
4595  	ha->init_cb = NULL;
4596  	ha->init_cb_dma = 0;
4597  fail_free_vp_map:
4598  	kfree(ha->vp_map);
4599  	ha->vp_map = NULL;
4600  fail:
4601  	ql_log(ql_log_fatal, NULL, 0x0030,
4602  	    "Memory allocation failure.\n");
4603  	return -ENOMEM;
4604  }
4605  
4606  int
qla2x00_set_exlogins_buffer(scsi_qla_host_t * vha)4607  qla2x00_set_exlogins_buffer(scsi_qla_host_t *vha)
4608  {
4609  	int rval;
4610  	uint16_t	size, max_cnt;
4611  	uint32_t temp;
4612  	struct qla_hw_data *ha = vha->hw;
4613  
4614  	/* Return if we don't need to alloacate any extended logins */
4615  	if (ql2xexlogins <= MAX_FIBRE_DEVICES_2400)
4616  		return QLA_SUCCESS;
4617  
4618  	if (!IS_EXLOGIN_OFFLD_CAPABLE(ha))
4619  		return QLA_SUCCESS;
4620  
4621  	ql_log(ql_log_info, vha, 0xd021, "EXLOGIN count: %d.\n", ql2xexlogins);
4622  	max_cnt = 0;
4623  	rval = qla_get_exlogin_status(vha, &size, &max_cnt);
4624  	if (rval != QLA_SUCCESS) {
4625  		ql_log_pci(ql_log_fatal, ha->pdev, 0xd029,
4626  		    "Failed to get exlogin status.\n");
4627  		return rval;
4628  	}
4629  
4630  	temp = (ql2xexlogins > max_cnt) ? max_cnt : ql2xexlogins;
4631  	temp *= size;
4632  
4633  	if (temp != ha->exlogin_size) {
4634  		qla2x00_free_exlogin_buffer(ha);
4635  		ha->exlogin_size = temp;
4636  
4637  		ql_log(ql_log_info, vha, 0xd024,
4638  		    "EXLOGIN: max_logins=%d, portdb=0x%x, total=%d.\n",
4639  		    max_cnt, size, temp);
4640  
4641  		ql_log(ql_log_info, vha, 0xd025,
4642  		    "EXLOGIN: requested size=0x%x\n", ha->exlogin_size);
4643  
4644  		/* Get consistent memory for extended logins */
4645  		ha->exlogin_buf = dma_alloc_coherent(&ha->pdev->dev,
4646  			ha->exlogin_size, &ha->exlogin_buf_dma, GFP_KERNEL);
4647  		if (!ha->exlogin_buf) {
4648  			ql_log_pci(ql_log_fatal, ha->pdev, 0xd02a,
4649  		    "Failed to allocate memory for exlogin_buf_dma.\n");
4650  			return -ENOMEM;
4651  		}
4652  	}
4653  
4654  	/* Now configure the dma buffer */
4655  	rval = qla_set_exlogin_mem_cfg(vha, ha->exlogin_buf_dma);
4656  	if (rval) {
4657  		ql_log(ql_log_fatal, vha, 0xd033,
4658  		    "Setup extended login buffer  ****FAILED****.\n");
4659  		qla2x00_free_exlogin_buffer(ha);
4660  	}
4661  
4662  	return rval;
4663  }
4664  
4665  /*
4666  * qla2x00_free_exlogin_buffer
4667  *
4668  * Input:
4669  *	ha = adapter block pointer
4670  */
4671  void
qla2x00_free_exlogin_buffer(struct qla_hw_data * ha)4672  qla2x00_free_exlogin_buffer(struct qla_hw_data *ha)
4673  {
4674  	if (ha->exlogin_buf) {
4675  		dma_free_coherent(&ha->pdev->dev, ha->exlogin_size,
4676  		    ha->exlogin_buf, ha->exlogin_buf_dma);
4677  		ha->exlogin_buf = NULL;
4678  		ha->exlogin_size = 0;
4679  	}
4680  }
4681  
4682  static void
qla2x00_number_of_exch(scsi_qla_host_t * vha,u32 * ret_cnt,u16 max_cnt)4683  qla2x00_number_of_exch(scsi_qla_host_t *vha, u32 *ret_cnt, u16 max_cnt)
4684  {
4685  	u32 temp;
4686  	struct init_cb_81xx *icb = (struct init_cb_81xx *)vha->hw->init_cb;
4687  	*ret_cnt = FW_DEF_EXCHANGES_CNT;
4688  
4689  	if (max_cnt > vha->hw->max_exchg)
4690  		max_cnt = vha->hw->max_exchg;
4691  
4692  	if (qla_ini_mode_enabled(vha)) {
4693  		if (vha->ql2xiniexchg > max_cnt)
4694  			vha->ql2xiniexchg = max_cnt;
4695  
4696  		if (vha->ql2xiniexchg > FW_DEF_EXCHANGES_CNT)
4697  			*ret_cnt = vha->ql2xiniexchg;
4698  
4699  	} else if (qla_tgt_mode_enabled(vha)) {
4700  		if (vha->ql2xexchoffld > max_cnt) {
4701  			vha->ql2xexchoffld = max_cnt;
4702  			icb->exchange_count = cpu_to_le16(vha->ql2xexchoffld);
4703  		}
4704  
4705  		if (vha->ql2xexchoffld > FW_DEF_EXCHANGES_CNT)
4706  			*ret_cnt = vha->ql2xexchoffld;
4707  	} else if (qla_dual_mode_enabled(vha)) {
4708  		temp = vha->ql2xiniexchg + vha->ql2xexchoffld;
4709  		if (temp > max_cnt) {
4710  			vha->ql2xiniexchg -= (temp - max_cnt)/2;
4711  			vha->ql2xexchoffld -= (((temp - max_cnt)/2) + 1);
4712  			temp = max_cnt;
4713  			icb->exchange_count = cpu_to_le16(vha->ql2xexchoffld);
4714  		}
4715  
4716  		if (temp > FW_DEF_EXCHANGES_CNT)
4717  			*ret_cnt = temp;
4718  	}
4719  }
4720  
4721  int
qla2x00_set_exchoffld_buffer(scsi_qla_host_t * vha)4722  qla2x00_set_exchoffld_buffer(scsi_qla_host_t *vha)
4723  {
4724  	int rval;
4725  	u16	size, max_cnt;
4726  	u32 actual_cnt, totsz;
4727  	struct qla_hw_data *ha = vha->hw;
4728  
4729  	if (!ha->flags.exchoffld_enabled)
4730  		return QLA_SUCCESS;
4731  
4732  	if (!IS_EXCHG_OFFLD_CAPABLE(ha))
4733  		return QLA_SUCCESS;
4734  
4735  	max_cnt = 0;
4736  	rval = qla_get_exchoffld_status(vha, &size, &max_cnt);
4737  	if (rval != QLA_SUCCESS) {
4738  		ql_log_pci(ql_log_fatal, ha->pdev, 0xd012,
4739  		    "Failed to get exlogin status.\n");
4740  		return rval;
4741  	}
4742  
4743  	qla2x00_number_of_exch(vha, &actual_cnt, max_cnt);
4744  	ql_log(ql_log_info, vha, 0xd014,
4745  	    "Actual exchange offload count: %d.\n", actual_cnt);
4746  
4747  	totsz = actual_cnt * size;
4748  
4749  	if (totsz != ha->exchoffld_size) {
4750  		qla2x00_free_exchoffld_buffer(ha);
4751  		if (actual_cnt <= FW_DEF_EXCHANGES_CNT) {
4752  			ha->exchoffld_size = 0;
4753  			ha->flags.exchoffld_enabled = 0;
4754  			return QLA_SUCCESS;
4755  		}
4756  
4757  		ha->exchoffld_size = totsz;
4758  
4759  		ql_log(ql_log_info, vha, 0xd016,
4760  		    "Exchange offload: max_count=%d, actual count=%d entry sz=0x%x, total sz=0x%x\n",
4761  		    max_cnt, actual_cnt, size, totsz);
4762  
4763  		ql_log(ql_log_info, vha, 0xd017,
4764  		    "Exchange Buffers requested size = 0x%x\n",
4765  		    ha->exchoffld_size);
4766  
4767  		/* Get consistent memory for extended logins */
4768  		ha->exchoffld_buf = dma_alloc_coherent(&ha->pdev->dev,
4769  			ha->exchoffld_size, &ha->exchoffld_buf_dma, GFP_KERNEL);
4770  		if (!ha->exchoffld_buf) {
4771  			ql_log_pci(ql_log_fatal, ha->pdev, 0xd013,
4772  			"Failed to allocate memory for Exchange Offload.\n");
4773  
4774  			if (ha->max_exchg >
4775  			    (FW_DEF_EXCHANGES_CNT + REDUCE_EXCHANGES_CNT)) {
4776  				ha->max_exchg -= REDUCE_EXCHANGES_CNT;
4777  			} else if (ha->max_exchg >
4778  			    (FW_DEF_EXCHANGES_CNT + 512)) {
4779  				ha->max_exchg -= 512;
4780  			} else {
4781  				ha->flags.exchoffld_enabled = 0;
4782  				ql_log_pci(ql_log_fatal, ha->pdev, 0xd013,
4783  				    "Disabling Exchange offload due to lack of memory\n");
4784  			}
4785  			ha->exchoffld_size = 0;
4786  
4787  			return -ENOMEM;
4788  		}
4789  	} else if (!ha->exchoffld_buf || (actual_cnt <= FW_DEF_EXCHANGES_CNT)) {
4790  		/* pathological case */
4791  		qla2x00_free_exchoffld_buffer(ha);
4792  		ha->exchoffld_size = 0;
4793  		ha->flags.exchoffld_enabled = 0;
4794  		ql_log(ql_log_info, vha, 0xd016,
4795  		    "Exchange offload not enable: offld size=%d, actual count=%d entry sz=0x%x, total sz=0x%x.\n",
4796  		    ha->exchoffld_size, actual_cnt, size, totsz);
4797  		return 0;
4798  	}
4799  
4800  	/* Now configure the dma buffer */
4801  	rval = qla_set_exchoffld_mem_cfg(vha);
4802  	if (rval) {
4803  		ql_log(ql_log_fatal, vha, 0xd02e,
4804  		    "Setup exchange offload buffer ****FAILED****.\n");
4805  		qla2x00_free_exchoffld_buffer(ha);
4806  	} else {
4807  		/* re-adjust number of target exchange */
4808  		struct init_cb_81xx *icb = (struct init_cb_81xx *)ha->init_cb;
4809  
4810  		if (qla_ini_mode_enabled(vha))
4811  			icb->exchange_count = 0;
4812  		else
4813  			icb->exchange_count = cpu_to_le16(vha->ql2xexchoffld);
4814  	}
4815  
4816  	return rval;
4817  }
4818  
4819  /*
4820  * qla2x00_free_exchoffld_buffer
4821  *
4822  * Input:
4823  *	ha = adapter block pointer
4824  */
4825  void
qla2x00_free_exchoffld_buffer(struct qla_hw_data * ha)4826  qla2x00_free_exchoffld_buffer(struct qla_hw_data *ha)
4827  {
4828  	if (ha->exchoffld_buf) {
4829  		dma_free_coherent(&ha->pdev->dev, ha->exchoffld_size,
4830  		    ha->exchoffld_buf, ha->exchoffld_buf_dma);
4831  		ha->exchoffld_buf = NULL;
4832  		ha->exchoffld_size = 0;
4833  	}
4834  }
4835  
4836  /*
4837  * qla2x00_free_fw_dump
4838  *	Frees fw dump stuff.
4839  *
4840  * Input:
4841  *	ha = adapter block pointer
4842  */
4843  static void
qla2x00_free_fw_dump(struct qla_hw_data * ha)4844  qla2x00_free_fw_dump(struct qla_hw_data *ha)
4845  {
4846  	struct fwdt *fwdt = ha->fwdt;
4847  	uint j;
4848  
4849  	if (ha->fce)
4850  		dma_free_coherent(&ha->pdev->dev,
4851  		    FCE_SIZE, ha->fce, ha->fce_dma);
4852  
4853  	if (ha->eft)
4854  		dma_free_coherent(&ha->pdev->dev,
4855  		    EFT_SIZE, ha->eft, ha->eft_dma);
4856  
4857  	vfree(ha->fw_dump);
4858  
4859  	ha->fce = NULL;
4860  	ha->fce_dma = 0;
4861  	ha->flags.fce_enabled = 0;
4862  	ha->eft = NULL;
4863  	ha->eft_dma = 0;
4864  	ha->fw_dumped = false;
4865  	ha->fw_dump_cap_flags = 0;
4866  	ha->fw_dump_reading = 0;
4867  	ha->fw_dump = NULL;
4868  	ha->fw_dump_len = 0;
4869  
4870  	for (j = 0; j < 2; j++, fwdt++) {
4871  		vfree(fwdt->template);
4872  		fwdt->template = NULL;
4873  		fwdt->length = 0;
4874  	}
4875  }
4876  
4877  /*
4878  * qla2x00_mem_free
4879  *      Frees all adapter allocated memory.
4880  *
4881  * Input:
4882  *      ha = adapter block pointer.
4883  */
4884  static void
qla2x00_mem_free(struct qla_hw_data * ha)4885  qla2x00_mem_free(struct qla_hw_data *ha)
4886  {
4887  	qla2x00_free_fw_dump(ha);
4888  
4889  	if (ha->mctp_dump)
4890  		dma_free_coherent(&ha->pdev->dev, MCTP_DUMP_SIZE, ha->mctp_dump,
4891  		    ha->mctp_dump_dma);
4892  	ha->mctp_dump = NULL;
4893  
4894  	mempool_destroy(ha->srb_mempool);
4895  	ha->srb_mempool = NULL;
4896  
4897  	if (ha->dcbx_tlv)
4898  		dma_free_coherent(&ha->pdev->dev, DCBX_TLV_DATA_SIZE,
4899  		    ha->dcbx_tlv, ha->dcbx_tlv_dma);
4900  	ha->dcbx_tlv = NULL;
4901  
4902  	if (ha->xgmac_data)
4903  		dma_free_coherent(&ha->pdev->dev, XGMAC_DATA_SIZE,
4904  		    ha->xgmac_data, ha->xgmac_data_dma);
4905  	ha->xgmac_data = NULL;
4906  
4907  	if (ha->sns_cmd)
4908  		dma_free_coherent(&ha->pdev->dev, sizeof(struct sns_cmd_pkt),
4909  		ha->sns_cmd, ha->sns_cmd_dma);
4910  	ha->sns_cmd = NULL;
4911  	ha->sns_cmd_dma = 0;
4912  
4913  	if (ha->ct_sns)
4914  		dma_free_coherent(&ha->pdev->dev, sizeof(struct ct_sns_pkt),
4915  		ha->ct_sns, ha->ct_sns_dma);
4916  	ha->ct_sns = NULL;
4917  	ha->ct_sns_dma = 0;
4918  
4919  	if (ha->sfp_data)
4920  		dma_free_coherent(&ha->pdev->dev, SFP_DEV_SIZE, ha->sfp_data,
4921  		    ha->sfp_data_dma);
4922  	ha->sfp_data = NULL;
4923  
4924  	if (ha->flt)
4925  		dma_free_coherent(&ha->pdev->dev,
4926  		    sizeof(struct qla_flt_header) + FLT_REGIONS_SIZE,
4927  		    ha->flt, ha->flt_dma);
4928  	ha->flt = NULL;
4929  	ha->flt_dma = 0;
4930  
4931  	if (ha->ms_iocb)
4932  		dma_pool_free(ha->s_dma_pool, ha->ms_iocb, ha->ms_iocb_dma);
4933  	ha->ms_iocb = NULL;
4934  	ha->ms_iocb_dma = 0;
4935  
4936  	if (ha->sf_init_cb)
4937  		dma_pool_free(ha->s_dma_pool,
4938  			      ha->sf_init_cb, ha->sf_init_cb_dma);
4939  
4940  	if (ha->ex_init_cb)
4941  		dma_pool_free(ha->s_dma_pool,
4942  			ha->ex_init_cb, ha->ex_init_cb_dma);
4943  	ha->ex_init_cb = NULL;
4944  	ha->ex_init_cb_dma = 0;
4945  
4946  	if (ha->async_pd)
4947  		dma_pool_free(ha->s_dma_pool, ha->async_pd, ha->async_pd_dma);
4948  	ha->async_pd = NULL;
4949  	ha->async_pd_dma = 0;
4950  
4951  	dma_pool_destroy(ha->s_dma_pool);
4952  	ha->s_dma_pool = NULL;
4953  
4954  	if (ha->gid_list)
4955  		dma_free_coherent(&ha->pdev->dev, qla2x00_gid_list_size(ha),
4956  		ha->gid_list, ha->gid_list_dma);
4957  	ha->gid_list = NULL;
4958  	ha->gid_list_dma = 0;
4959  
4960  	if (ha->base_qpair && !list_empty(&ha->base_qpair->dsd_list)) {
4961  		struct dsd_dma *dsd_ptr, *tdsd_ptr;
4962  
4963  		/* clean up allocated prev pool */
4964  		list_for_each_entry_safe(dsd_ptr, tdsd_ptr,
4965  					 &ha->base_qpair->dsd_list, list) {
4966  			dma_pool_free(ha->dl_dma_pool, dsd_ptr->dsd_addr,
4967  				      dsd_ptr->dsd_list_dma);
4968  			list_del(&dsd_ptr->list);
4969  			kfree(dsd_ptr);
4970  		}
4971  	}
4972  
4973  	dma_pool_destroy(ha->dl_dma_pool);
4974  	ha->dl_dma_pool = NULL;
4975  
4976  	dma_pool_destroy(ha->fcp_cmnd_dma_pool);
4977  	ha->fcp_cmnd_dma_pool = NULL;
4978  
4979  	mempool_destroy(ha->ctx_mempool);
4980  	ha->ctx_mempool = NULL;
4981  
4982  	if (ql2xenabledif && ha->dif_bundl_pool) {
4983  		struct dsd_dma *dsd, *nxt;
4984  
4985  		list_for_each_entry_safe(dsd, nxt, &ha->pool.unusable.head,
4986  					 list) {
4987  			list_del(&dsd->list);
4988  			dma_pool_free(ha->dif_bundl_pool, dsd->dsd_addr,
4989  				      dsd->dsd_list_dma);
4990  			ha->dif_bundle_dma_allocs--;
4991  			kfree(dsd);
4992  			ha->dif_bundle_kallocs--;
4993  			ha->pool.unusable.count--;
4994  		}
4995  		list_for_each_entry_safe(dsd, nxt, &ha->pool.good.head, list) {
4996  			list_del(&dsd->list);
4997  			dma_pool_free(ha->dif_bundl_pool, dsd->dsd_addr,
4998  				      dsd->dsd_list_dma);
4999  			ha->dif_bundle_dma_allocs--;
5000  			kfree(dsd);
5001  			ha->dif_bundle_kallocs--;
5002  		}
5003  	}
5004  
5005  	dma_pool_destroy(ha->dif_bundl_pool);
5006  	ha->dif_bundl_pool = NULL;
5007  
5008  	qlt_mem_free(ha);
5009  	qla_remove_hostmap(ha);
5010  
5011  	if (ha->init_cb)
5012  		dma_free_coherent(&ha->pdev->dev, ha->init_cb_size,
5013  			ha->init_cb, ha->init_cb_dma);
5014  
5015  	dma_pool_destroy(ha->purex_dma_pool);
5016  	ha->purex_dma_pool = NULL;
5017  
5018  	if (ha->elsrej.c) {
5019  		dma_free_coherent(&ha->pdev->dev, ha->elsrej.size,
5020  		    ha->elsrej.c, ha->elsrej.cdma);
5021  		ha->elsrej.c = NULL;
5022  	}
5023  
5024  	if (ha->lsrjt.c) {
5025  		dma_free_coherent(&ha->pdev->dev, ha->lsrjt.size, ha->lsrjt.c,
5026  				  ha->lsrjt.cdma);
5027  		ha->lsrjt.c = NULL;
5028  	}
5029  
5030  	ha->init_cb = NULL;
5031  	ha->init_cb_dma = 0;
5032  
5033  	vfree(ha->optrom_buffer);
5034  	ha->optrom_buffer = NULL;
5035  	kfree(ha->nvram);
5036  	ha->nvram = NULL;
5037  	kfree(ha->npiv_info);
5038  	ha->npiv_info = NULL;
5039  	kfree(ha->swl);
5040  	ha->swl = NULL;
5041  	kfree(ha->loop_id_map);
5042  	ha->sf_init_cb = NULL;
5043  	ha->sf_init_cb_dma = 0;
5044  	ha->loop_id_map = NULL;
5045  
5046  	kfree(ha->vp_map);
5047  	ha->vp_map = NULL;
5048  }
5049  
qla2x00_create_host(const struct scsi_host_template * sht,struct qla_hw_data * ha)5050  struct scsi_qla_host *qla2x00_create_host(const struct scsi_host_template *sht,
5051  					  struct qla_hw_data *ha)
5052  {
5053  	struct Scsi_Host *host;
5054  	struct scsi_qla_host *vha = NULL;
5055  
5056  	host = scsi_host_alloc(sht, sizeof(scsi_qla_host_t));
5057  	if (!host) {
5058  		ql_log_pci(ql_log_fatal, ha->pdev, 0x0107,
5059  		    "Failed to allocate host from the scsi layer, aborting.\n");
5060  		return NULL;
5061  	}
5062  
5063  	/* Clear our data area */
5064  	vha = shost_priv(host);
5065  	memset(vha, 0, sizeof(scsi_qla_host_t));
5066  
5067  	vha->host = host;
5068  	vha->host_no = host->host_no;
5069  	vha->hw = ha;
5070  
5071  	vha->qlini_mode = ql2x_ini_mode;
5072  	vha->ql2xexchoffld = ql2xexchoffld;
5073  	vha->ql2xiniexchg = ql2xiniexchg;
5074  
5075  	INIT_LIST_HEAD(&vha->vp_fcports);
5076  	INIT_LIST_HEAD(&vha->work_list);
5077  	INIT_LIST_HEAD(&vha->list);
5078  	INIT_LIST_HEAD(&vha->qla_cmd_list);
5079  	INIT_LIST_HEAD(&vha->logo_list);
5080  	INIT_LIST_HEAD(&vha->plogi_ack_list);
5081  	INIT_LIST_HEAD(&vha->qp_list);
5082  	INIT_LIST_HEAD(&vha->gnl.fcports);
5083  	INIT_WORK(&vha->iocb_work, qla2x00_iocb_work_fn);
5084  
5085  	INIT_LIST_HEAD(&vha->purex_list.head);
5086  	spin_lock_init(&vha->purex_list.lock);
5087  
5088  	spin_lock_init(&vha->work_lock);
5089  	spin_lock_init(&vha->cmd_list_lock);
5090  	init_waitqueue_head(&vha->fcport_waitQ);
5091  	init_waitqueue_head(&vha->vref_waitq);
5092  	qla_enode_init(vha);
5093  	qla_edb_init(vha);
5094  
5095  
5096  	vha->gnl.size = sizeof(struct get_name_list_extended) *
5097  			(ha->max_loop_id + 1);
5098  	vha->gnl.l = dma_alloc_coherent(&ha->pdev->dev,
5099  	    vha->gnl.size, &vha->gnl.ldma, GFP_KERNEL);
5100  	if (!vha->gnl.l) {
5101  		ql_log(ql_log_fatal, vha, 0xd04a,
5102  		    "Alloc failed for name list.\n");
5103  		scsi_host_put(vha->host);
5104  		return NULL;
5105  	}
5106  
5107  	/* todo: what about ext login? */
5108  	vha->scan.size = ha->max_fibre_devices * sizeof(struct fab_scan_rp);
5109  	vha->scan.l = vmalloc(vha->scan.size);
5110  	if (!vha->scan.l) {
5111  		ql_log(ql_log_fatal, vha, 0xd04a,
5112  		    "Alloc failed for scan database.\n");
5113  		dma_free_coherent(&ha->pdev->dev, vha->gnl.size,
5114  		    vha->gnl.l, vha->gnl.ldma);
5115  		vha->gnl.l = NULL;
5116  		scsi_host_put(vha->host);
5117  		return NULL;
5118  	}
5119  	INIT_DELAYED_WORK(&vha->scan.scan_work, qla_scan_work_fn);
5120  
5121  	snprintf(vha->host_str, sizeof(vha->host_str), "%s_%lu",
5122  		 QLA2XXX_DRIVER_NAME, vha->host_no);
5123  	ql_dbg(ql_dbg_init, vha, 0x0041,
5124  	    "Allocated the host=%p hw=%p vha=%p dev_name=%s",
5125  	    vha->host, vha->hw, vha,
5126  	    dev_name(&(ha->pdev->dev)));
5127  
5128  	return vha;
5129  }
5130  
5131  struct qla_work_evt *
qla2x00_alloc_work(struct scsi_qla_host * vha,enum qla_work_type type)5132  qla2x00_alloc_work(struct scsi_qla_host *vha, enum qla_work_type type)
5133  {
5134  	struct qla_work_evt *e;
5135  
5136  	if (test_bit(UNLOADING, &vha->dpc_flags))
5137  		return NULL;
5138  
5139  	if (qla_vha_mark_busy(vha))
5140  		return NULL;
5141  
5142  	e = kzalloc(sizeof(struct qla_work_evt), GFP_ATOMIC);
5143  	if (!e) {
5144  		QLA_VHA_MARK_NOT_BUSY(vha);
5145  		return NULL;
5146  	}
5147  
5148  	INIT_LIST_HEAD(&e->list);
5149  	e->type = type;
5150  	e->flags = QLA_EVT_FLAG_FREE;
5151  	return e;
5152  }
5153  
5154  int
qla2x00_post_work(struct scsi_qla_host * vha,struct qla_work_evt * e)5155  qla2x00_post_work(struct scsi_qla_host *vha, struct qla_work_evt *e)
5156  {
5157  	unsigned long flags;
5158  	bool q = false;
5159  
5160  	spin_lock_irqsave(&vha->work_lock, flags);
5161  	list_add_tail(&e->list, &vha->work_list);
5162  
5163  	if (!test_and_set_bit(IOCB_WORK_ACTIVE, &vha->dpc_flags))
5164  		q = true;
5165  
5166  	spin_unlock_irqrestore(&vha->work_lock, flags);
5167  
5168  	if (q)
5169  		queue_work(vha->hw->wq, &vha->iocb_work);
5170  
5171  	return QLA_SUCCESS;
5172  }
5173  
5174  int
qla2x00_post_aen_work(struct scsi_qla_host * vha,enum fc_host_event_code code,u32 data)5175  qla2x00_post_aen_work(struct scsi_qla_host *vha, enum fc_host_event_code code,
5176      u32 data)
5177  {
5178  	struct qla_work_evt *e;
5179  
5180  	e = qla2x00_alloc_work(vha, QLA_EVT_AEN);
5181  	if (!e)
5182  		return QLA_FUNCTION_FAILED;
5183  
5184  	e->u.aen.code = code;
5185  	e->u.aen.data = data;
5186  	return qla2x00_post_work(vha, e);
5187  }
5188  
5189  int
qla2x00_post_idc_ack_work(struct scsi_qla_host * vha,uint16_t * mb)5190  qla2x00_post_idc_ack_work(struct scsi_qla_host *vha, uint16_t *mb)
5191  {
5192  	struct qla_work_evt *e;
5193  
5194  	e = qla2x00_alloc_work(vha, QLA_EVT_IDC_ACK);
5195  	if (!e)
5196  		return QLA_FUNCTION_FAILED;
5197  
5198  	memcpy(e->u.idc_ack.mb, mb, QLA_IDC_ACK_REGS * sizeof(uint16_t));
5199  	return qla2x00_post_work(vha, e);
5200  }
5201  
5202  #define qla2x00_post_async_work(name, type)	\
5203  int qla2x00_post_async_##name##_work(		\
5204      struct scsi_qla_host *vha,			\
5205      fc_port_t *fcport, uint16_t *data)		\
5206  {						\
5207  	struct qla_work_evt *e;			\
5208  						\
5209  	e = qla2x00_alloc_work(vha, type);	\
5210  	if (!e)					\
5211  		return QLA_FUNCTION_FAILED;	\
5212  						\
5213  	e->u.logio.fcport = fcport;		\
5214  	if (data) {				\
5215  		e->u.logio.data[0] = data[0];	\
5216  		e->u.logio.data[1] = data[1];	\
5217  	}					\
5218  	fcport->flags |= FCF_ASYNC_ACTIVE;	\
5219  	return qla2x00_post_work(vha, e);	\
5220  }
5221  
5222  qla2x00_post_async_work(login, QLA_EVT_ASYNC_LOGIN);
5223  qla2x00_post_async_work(logout, QLA_EVT_ASYNC_LOGOUT);
5224  qla2x00_post_async_work(adisc, QLA_EVT_ASYNC_ADISC);
5225  qla2x00_post_async_work(prlo, QLA_EVT_ASYNC_PRLO);
5226  qla2x00_post_async_work(prlo_done, QLA_EVT_ASYNC_PRLO_DONE);
5227  
5228  int
qla2x00_post_uevent_work(struct scsi_qla_host * vha,u32 code)5229  qla2x00_post_uevent_work(struct scsi_qla_host *vha, u32 code)
5230  {
5231  	struct qla_work_evt *e;
5232  
5233  	e = qla2x00_alloc_work(vha, QLA_EVT_UEVENT);
5234  	if (!e)
5235  		return QLA_FUNCTION_FAILED;
5236  
5237  	e->u.uevent.code = code;
5238  	return qla2x00_post_work(vha, e);
5239  }
5240  
5241  static void
qla2x00_uevent_emit(struct scsi_qla_host * vha,u32 code)5242  qla2x00_uevent_emit(struct scsi_qla_host *vha, u32 code)
5243  {
5244  	char event_string[40];
5245  	char *envp[] = { event_string, NULL };
5246  
5247  	switch (code) {
5248  	case QLA_UEVENT_CODE_FW_DUMP:
5249  		snprintf(event_string, sizeof(event_string), "FW_DUMP=%lu",
5250  		    vha->host_no);
5251  		break;
5252  	default:
5253  		/* do nothing */
5254  		break;
5255  	}
5256  	kobject_uevent_env(&vha->hw->pdev->dev.kobj, KOBJ_CHANGE, envp);
5257  }
5258  
5259  int
qlafx00_post_aenfx_work(struct scsi_qla_host * vha,uint32_t evtcode,uint32_t * data,int cnt)5260  qlafx00_post_aenfx_work(struct scsi_qla_host *vha,  uint32_t evtcode,
5261  			uint32_t *data, int cnt)
5262  {
5263  	struct qla_work_evt *e;
5264  
5265  	e = qla2x00_alloc_work(vha, QLA_EVT_AENFX);
5266  	if (!e)
5267  		return QLA_FUNCTION_FAILED;
5268  
5269  	e->u.aenfx.evtcode = evtcode;
5270  	e->u.aenfx.count = cnt;
5271  	memcpy(e->u.aenfx.mbx, data, sizeof(*data) * cnt);
5272  	return qla2x00_post_work(vha, e);
5273  }
5274  
qla24xx_sched_upd_fcport(fc_port_t * fcport)5275  void qla24xx_sched_upd_fcport(fc_port_t *fcport)
5276  {
5277  	unsigned long flags;
5278  
5279  	if (IS_SW_RESV_ADDR(fcport->d_id))
5280  		return;
5281  
5282  	spin_lock_irqsave(&fcport->vha->work_lock, flags);
5283  	if (fcport->disc_state == DSC_UPD_FCPORT) {
5284  		spin_unlock_irqrestore(&fcport->vha->work_lock, flags);
5285  		return;
5286  	}
5287  	fcport->jiffies_at_registration = jiffies;
5288  	fcport->sec_since_registration = 0;
5289  	fcport->next_disc_state = DSC_DELETED;
5290  	qla2x00_set_fcport_disc_state(fcport, DSC_UPD_FCPORT);
5291  	spin_unlock_irqrestore(&fcport->vha->work_lock, flags);
5292  
5293  	queue_work(system_unbound_wq, &fcport->reg_work);
5294  }
5295  
5296  static
qla24xx_create_new_sess(struct scsi_qla_host * vha,struct qla_work_evt * e)5297  void qla24xx_create_new_sess(struct scsi_qla_host *vha, struct qla_work_evt *e)
5298  {
5299  	unsigned long flags;
5300  	fc_port_t *fcport =  NULL, *tfcp;
5301  	struct qlt_plogi_ack_t *pla =
5302  	    (struct qlt_plogi_ack_t *)e->u.new_sess.pla;
5303  	uint8_t free_fcport = 0;
5304  
5305  	ql_dbg(ql_dbg_disc, vha, 0xffff,
5306  	    "%s %d %8phC enter\n",
5307  	    __func__, __LINE__, e->u.new_sess.port_name);
5308  
5309  	spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
5310  	fcport = qla2x00_find_fcport_by_wwpn(vha, e->u.new_sess.port_name, 1);
5311  	if (fcport) {
5312  		fcport->d_id = e->u.new_sess.id;
5313  		if (pla) {
5314  			fcport->fw_login_state = DSC_LS_PLOGI_PEND;
5315  			memcpy(fcport->node_name,
5316  			    pla->iocb.u.isp24.u.plogi.node_name,
5317  			    WWN_SIZE);
5318  			qlt_plogi_ack_link(vha, pla, fcport, QLT_PLOGI_LINK_SAME_WWN);
5319  			/* we took an extra ref_count to prevent PLOGI ACK when
5320  			 * fcport/sess has not been created.
5321  			 */
5322  			pla->ref_count--;
5323  		}
5324  	} else {
5325  		spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
5326  		fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
5327  		if (fcport) {
5328  			fcport->d_id = e->u.new_sess.id;
5329  			fcport->flags |= FCF_FABRIC_DEVICE;
5330  			fcport->fw_login_state = DSC_LS_PLOGI_PEND;
5331  			fcport->tgt_short_link_down_cnt = 0;
5332  
5333  			memcpy(fcport->port_name, e->u.new_sess.port_name,
5334  			    WWN_SIZE);
5335  
5336  			fcport->fc4_type = e->u.new_sess.fc4_type;
5337  			if (NVME_PRIORITY(vha->hw, fcport))
5338  				fcport->do_prli_nvme = 1;
5339  			else
5340  				fcport->do_prli_nvme = 0;
5341  
5342  			if (e->u.new_sess.fc4_type & FS_FCP_IS_N2N) {
5343  				fcport->dm_login_expire = jiffies +
5344  					QLA_N2N_WAIT_TIME * HZ;
5345  				fcport->fc4_type = FS_FC4TYPE_FCP;
5346  				fcport->n2n_flag = 1;
5347  				if (vha->flags.nvme_enabled)
5348  					fcport->fc4_type |= FS_FC4TYPE_NVME;
5349  			}
5350  
5351  		} else {
5352  			ql_dbg(ql_dbg_disc, vha, 0xffff,
5353  				   "%s %8phC mem alloc fail.\n",
5354  				   __func__, e->u.new_sess.port_name);
5355  
5356  			if (pla) {
5357  				list_del(&pla->list);
5358  				kmem_cache_free(qla_tgt_plogi_cachep, pla);
5359  			}
5360  			return;
5361  		}
5362  
5363  		spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
5364  		/* search again to make sure no one else got ahead */
5365  		tfcp = qla2x00_find_fcport_by_wwpn(vha,
5366  		    e->u.new_sess.port_name, 1);
5367  		if (tfcp) {
5368  			/* should rarily happen */
5369  			ql_dbg(ql_dbg_disc, vha, 0xffff,
5370  			    "%s %8phC found existing fcport b4 add. DS %d LS %d\n",
5371  			    __func__, tfcp->port_name, tfcp->disc_state,
5372  			    tfcp->fw_login_state);
5373  
5374  			free_fcport = 1;
5375  		} else {
5376  			list_add_tail(&fcport->list, &vha->vp_fcports);
5377  
5378  		}
5379  		if (pla) {
5380  			qlt_plogi_ack_link(vha, pla, fcport,
5381  			    QLT_PLOGI_LINK_SAME_WWN);
5382  			pla->ref_count--;
5383  		}
5384  	}
5385  	spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
5386  
5387  	if (fcport) {
5388  		fcport->id_changed = 1;
5389  		fcport->scan_state = QLA_FCPORT_FOUND;
5390  		fcport->chip_reset = vha->hw->base_qpair->chip_reset;
5391  		memcpy(fcport->node_name, e->u.new_sess.node_name, WWN_SIZE);
5392  
5393  		if (pla) {
5394  			if (pla->iocb.u.isp24.status_subcode == ELS_PRLI) {
5395  				u16 wd3_lo;
5396  
5397  				fcport->fw_login_state = DSC_LS_PRLI_PEND;
5398  				fcport->local = 0;
5399  				fcport->loop_id =
5400  					le16_to_cpu(
5401  					    pla->iocb.u.isp24.nport_handle);
5402  				fcport->fw_login_state = DSC_LS_PRLI_PEND;
5403  				wd3_lo =
5404  				    le16_to_cpu(
5405  					pla->iocb.u.isp24.u.prli.wd3_lo);
5406  
5407  				if (wd3_lo & BIT_7)
5408  					fcport->conf_compl_supported = 1;
5409  
5410  				if ((wd3_lo & BIT_4) == 0)
5411  					fcport->port_type = FCT_INITIATOR;
5412  				else
5413  					fcport->port_type = FCT_TARGET;
5414  			}
5415  			qlt_plogi_ack_unref(vha, pla);
5416  		} else {
5417  			fc_port_t *dfcp = NULL;
5418  
5419  			spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
5420  			tfcp = qla2x00_find_fcport_by_nportid(vha,
5421  			    &e->u.new_sess.id, 1);
5422  			if (tfcp && (tfcp != fcport)) {
5423  				/*
5424  				 * We have a conflict fcport with same NportID.
5425  				 */
5426  				ql_dbg(ql_dbg_disc, vha, 0xffff,
5427  				    "%s %8phC found conflict b4 add. DS %d LS %d\n",
5428  				    __func__, tfcp->port_name, tfcp->disc_state,
5429  				    tfcp->fw_login_state);
5430  
5431  				switch (tfcp->disc_state) {
5432  				case DSC_DELETED:
5433  					break;
5434  				case DSC_DELETE_PEND:
5435  					fcport->login_pause = 1;
5436  					tfcp->conflict = fcport;
5437  					break;
5438  				default:
5439  					fcport->login_pause = 1;
5440  					tfcp->conflict = fcport;
5441  					dfcp = tfcp;
5442  					break;
5443  				}
5444  			}
5445  			spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
5446  			if (dfcp)
5447  				qlt_schedule_sess_for_deletion(tfcp);
5448  
5449  			if (N2N_TOPO(vha->hw)) {
5450  				fcport->flags &= ~FCF_FABRIC_DEVICE;
5451  				fcport->keep_nport_handle = 1;
5452  				if (vha->flags.nvme_enabled) {
5453  					fcport->fc4_type =
5454  					    (FS_FC4TYPE_NVME | FS_FC4TYPE_FCP);
5455  					fcport->n2n_flag = 1;
5456  				}
5457  				fcport->fw_login_state = 0;
5458  
5459  				schedule_delayed_work(&vha->scan.scan_work, 5);
5460  			} else {
5461  				qla24xx_fcport_handle_login(vha, fcport);
5462  			}
5463  		}
5464  	}
5465  
5466  	if (free_fcport) {
5467  		qla2x00_free_fcport(fcport);
5468  		if (pla) {
5469  			list_del(&pla->list);
5470  			kmem_cache_free(qla_tgt_plogi_cachep, pla);
5471  		}
5472  	}
5473  }
5474  
qla_sp_retry(struct scsi_qla_host * vha,struct qla_work_evt * e)5475  static void qla_sp_retry(struct scsi_qla_host *vha, struct qla_work_evt *e)
5476  {
5477  	struct srb *sp = e->u.iosb.sp;
5478  	int rval;
5479  
5480  	rval = qla2x00_start_sp(sp);
5481  	if (rval != QLA_SUCCESS) {
5482  		ql_dbg(ql_dbg_disc, vha, 0x2043,
5483  		    "%s: %s: Re-issue IOCB failed (%d).\n",
5484  		    __func__, sp->name, rval);
5485  		qla24xx_sp_unmap(vha, sp);
5486  	}
5487  }
5488  
5489  void
qla2x00_do_work(struct scsi_qla_host * vha)5490  qla2x00_do_work(struct scsi_qla_host *vha)
5491  {
5492  	struct qla_work_evt *e, *tmp;
5493  	unsigned long flags;
5494  	LIST_HEAD(work);
5495  	int rc;
5496  
5497  	spin_lock_irqsave(&vha->work_lock, flags);
5498  	list_splice_init(&vha->work_list, &work);
5499  	spin_unlock_irqrestore(&vha->work_lock, flags);
5500  
5501  	list_for_each_entry_safe(e, tmp, &work, list) {
5502  		rc = QLA_SUCCESS;
5503  		switch (e->type) {
5504  		case QLA_EVT_AEN:
5505  			fc_host_post_event(vha->host, fc_get_event_number(),
5506  			    e->u.aen.code, e->u.aen.data);
5507  			break;
5508  		case QLA_EVT_IDC_ACK:
5509  			qla81xx_idc_ack(vha, e->u.idc_ack.mb);
5510  			break;
5511  		case QLA_EVT_ASYNC_LOGIN:
5512  			qla2x00_async_login(vha, e->u.logio.fcport,
5513  			    e->u.logio.data);
5514  			break;
5515  		case QLA_EVT_ASYNC_LOGOUT:
5516  			rc = qla2x00_async_logout(vha, e->u.logio.fcport);
5517  			break;
5518  		case QLA_EVT_ASYNC_ADISC:
5519  			qla2x00_async_adisc(vha, e->u.logio.fcport,
5520  			    e->u.logio.data);
5521  			break;
5522  		case QLA_EVT_UEVENT:
5523  			qla2x00_uevent_emit(vha, e->u.uevent.code);
5524  			break;
5525  		case QLA_EVT_AENFX:
5526  			qlafx00_process_aen(vha, e);
5527  			break;
5528  		case QLA_EVT_UNMAP:
5529  			qla24xx_sp_unmap(vha, e->u.iosb.sp);
5530  			break;
5531  		case QLA_EVT_RELOGIN:
5532  			qla2x00_relogin(vha);
5533  			break;
5534  		case QLA_EVT_NEW_SESS:
5535  			qla24xx_create_new_sess(vha, e);
5536  			break;
5537  		case QLA_EVT_GPDB:
5538  			qla24xx_async_gpdb(vha, e->u.fcport.fcport,
5539  			    e->u.fcport.opt);
5540  			break;
5541  		case QLA_EVT_PRLI:
5542  			qla24xx_async_prli(vha, e->u.fcport.fcport);
5543  			break;
5544  		case QLA_EVT_GPSC:
5545  			qla24xx_async_gpsc(vha, e->u.fcport.fcport);
5546  			break;
5547  		case QLA_EVT_GNL:
5548  			qla24xx_async_gnl(vha, e->u.fcport.fcport);
5549  			break;
5550  		case QLA_EVT_NACK:
5551  			qla24xx_do_nack_work(vha, e);
5552  			break;
5553  		case QLA_EVT_ASYNC_PRLO:
5554  			rc = qla2x00_async_prlo(vha, e->u.logio.fcport);
5555  			break;
5556  		case QLA_EVT_ASYNC_PRLO_DONE:
5557  			qla2x00_async_prlo_done(vha, e->u.logio.fcport,
5558  			    e->u.logio.data);
5559  			break;
5560  		case QLA_EVT_SCAN_CMD:
5561  			qla_fab_async_scan(vha, e->u.iosb.sp);
5562  			break;
5563  		case QLA_EVT_SCAN_FINISH:
5564  			qla_fab_scan_finish(vha, e->u.iosb.sp);
5565  			break;
5566  		case QLA_EVT_GFPNID:
5567  			qla24xx_async_gfpnid(vha, e->u.fcport.fcport);
5568  			break;
5569  		case QLA_EVT_SP_RETRY:
5570  			qla_sp_retry(vha, e);
5571  			break;
5572  		case QLA_EVT_IIDMA:
5573  			qla_do_iidma_work(vha, e->u.fcport.fcport);
5574  			break;
5575  		case QLA_EVT_ELS_PLOGI:
5576  			qla24xx_els_dcmd2_iocb(vha, ELS_DCMD_PLOGI,
5577  			    e->u.fcport.fcport);
5578  			break;
5579  		case QLA_EVT_SA_REPLACE:
5580  			rc = qla24xx_issue_sa_replace_iocb(vha, e);
5581  			break;
5582  		}
5583  
5584  		if (rc == EAGAIN) {
5585  			/* put 'work' at head of 'vha->work_list' */
5586  			spin_lock_irqsave(&vha->work_lock, flags);
5587  			list_splice(&work, &vha->work_list);
5588  			spin_unlock_irqrestore(&vha->work_lock, flags);
5589  			break;
5590  		}
5591  		list_del_init(&e->list);
5592  		if (e->flags & QLA_EVT_FLAG_FREE)
5593  			kfree(e);
5594  
5595  		/* For each work completed decrement vha ref count */
5596  		QLA_VHA_MARK_NOT_BUSY(vha);
5597  	}
5598  }
5599  
qla24xx_post_relogin_work(struct scsi_qla_host * vha)5600  int qla24xx_post_relogin_work(struct scsi_qla_host *vha)
5601  {
5602  	struct qla_work_evt *e;
5603  
5604  	e = qla2x00_alloc_work(vha, QLA_EVT_RELOGIN);
5605  
5606  	if (!e) {
5607  		set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
5608  		return QLA_FUNCTION_FAILED;
5609  	}
5610  
5611  	return qla2x00_post_work(vha, e);
5612  }
5613  
5614  /* Relogins all the fcports of a vport
5615   * Context: dpc thread
5616   */
qla2x00_relogin(struct scsi_qla_host * vha)5617  void qla2x00_relogin(struct scsi_qla_host *vha)
5618  {
5619  	fc_port_t       *fcport;
5620  	int status, relogin_needed = 0;
5621  	struct event_arg ea;
5622  
5623  	list_for_each_entry(fcport, &vha->vp_fcports, list) {
5624  		/*
5625  		 * If the port is not ONLINE then try to login
5626  		 * to it if we haven't run out of retries.
5627  		 */
5628  		if (atomic_read(&fcport->state) != FCS_ONLINE &&
5629  		    fcport->login_retry) {
5630  			if (fcport->scan_state != QLA_FCPORT_FOUND ||
5631  			    fcport->disc_state == DSC_LOGIN_AUTH_PEND ||
5632  			    fcport->disc_state == DSC_LOGIN_COMPLETE)
5633  				continue;
5634  
5635  			if (fcport->flags & (FCF_ASYNC_SENT|FCF_ASYNC_ACTIVE) ||
5636  				fcport->disc_state == DSC_DELETE_PEND) {
5637  				relogin_needed = 1;
5638  			} else {
5639  				if (vha->hw->current_topology != ISP_CFG_NL) {
5640  					memset(&ea, 0, sizeof(ea));
5641  					ea.fcport = fcport;
5642  					qla24xx_handle_relogin_event(vha, &ea);
5643  				} else if (vha->hw->current_topology ==
5644  					 ISP_CFG_NL &&
5645  					IS_QLA2XXX_MIDTYPE(vha->hw)) {
5646  					(void)qla24xx_fcport_handle_login(vha,
5647  									fcport);
5648  				} else if (vha->hw->current_topology ==
5649  				    ISP_CFG_NL) {
5650  					fcport->login_retry--;
5651  					status =
5652  					    qla2x00_local_device_login(vha,
5653  						fcport);
5654  					if (status == QLA_SUCCESS) {
5655  						fcport->old_loop_id =
5656  						    fcport->loop_id;
5657  						ql_dbg(ql_dbg_disc, vha, 0x2003,
5658  						    "Port login OK: logged in ID 0x%x.\n",
5659  						    fcport->loop_id);
5660  						qla2x00_update_fcport
5661  							(vha, fcport);
5662  					} else if (status == 1) {
5663  						set_bit(RELOGIN_NEEDED,
5664  						    &vha->dpc_flags);
5665  						/* retry the login again */
5666  						ql_dbg(ql_dbg_disc, vha, 0x2007,
5667  						    "Retrying %d login again loop_id 0x%x.\n",
5668  						    fcport->login_retry,
5669  						    fcport->loop_id);
5670  					} else {
5671  						fcport->login_retry = 0;
5672  					}
5673  
5674  					if (fcport->login_retry == 0 &&
5675  					    status != QLA_SUCCESS)
5676  						qla2x00_clear_loop_id(fcport);
5677  				}
5678  			}
5679  		}
5680  		if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
5681  			break;
5682  	}
5683  
5684  	if (relogin_needed)
5685  		set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
5686  
5687  	ql_dbg(ql_dbg_disc, vha, 0x400e,
5688  	    "Relogin end.\n");
5689  }
5690  
5691  /* Schedule work on any of the dpc-workqueues */
5692  void
qla83xx_schedule_work(scsi_qla_host_t * base_vha,int work_code)5693  qla83xx_schedule_work(scsi_qla_host_t *base_vha, int work_code)
5694  {
5695  	struct qla_hw_data *ha = base_vha->hw;
5696  
5697  	switch (work_code) {
5698  	case MBA_IDC_AEN: /* 0x8200 */
5699  		if (ha->dpc_lp_wq)
5700  			queue_work(ha->dpc_lp_wq, &ha->idc_aen);
5701  		break;
5702  
5703  	case QLA83XX_NIC_CORE_RESET: /* 0x1 */
5704  		if (!ha->flags.nic_core_reset_hdlr_active) {
5705  			if (ha->dpc_hp_wq)
5706  				queue_work(ha->dpc_hp_wq, &ha->nic_core_reset);
5707  		} else
5708  			ql_dbg(ql_dbg_p3p, base_vha, 0xb05e,
5709  			    "NIC Core reset is already active. Skip "
5710  			    "scheduling it again.\n");
5711  		break;
5712  	case QLA83XX_IDC_STATE_HANDLER: /* 0x2 */
5713  		if (ha->dpc_hp_wq)
5714  			queue_work(ha->dpc_hp_wq, &ha->idc_state_handler);
5715  		break;
5716  	case QLA83XX_NIC_CORE_UNRECOVERABLE: /* 0x3 */
5717  		if (ha->dpc_hp_wq)
5718  			queue_work(ha->dpc_hp_wq, &ha->nic_core_unrecoverable);
5719  		break;
5720  	default:
5721  		ql_log(ql_log_warn, base_vha, 0xb05f,
5722  		    "Unknown work-code=0x%x.\n", work_code);
5723  	}
5724  
5725  	return;
5726  }
5727  
5728  /* Work: Perform NIC Core Unrecoverable state handling */
5729  void
qla83xx_nic_core_unrecoverable_work(struct work_struct * work)5730  qla83xx_nic_core_unrecoverable_work(struct work_struct *work)
5731  {
5732  	struct qla_hw_data *ha =
5733  		container_of(work, struct qla_hw_data, nic_core_unrecoverable);
5734  	scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
5735  	uint32_t dev_state = 0;
5736  
5737  	qla83xx_idc_lock(base_vha, 0);
5738  	qla83xx_rd_reg(base_vha, QLA83XX_IDC_DEV_STATE, &dev_state);
5739  	qla83xx_reset_ownership(base_vha);
5740  	if (ha->flags.nic_core_reset_owner) {
5741  		ha->flags.nic_core_reset_owner = 0;
5742  		qla83xx_wr_reg(base_vha, QLA83XX_IDC_DEV_STATE,
5743  		    QLA8XXX_DEV_FAILED);
5744  		ql_log(ql_log_info, base_vha, 0xb060, "HW State: FAILED.\n");
5745  		qla83xx_schedule_work(base_vha, QLA83XX_IDC_STATE_HANDLER);
5746  	}
5747  	qla83xx_idc_unlock(base_vha, 0);
5748  }
5749  
5750  /* Work: Execute IDC state handler */
5751  void
qla83xx_idc_state_handler_work(struct work_struct * work)5752  qla83xx_idc_state_handler_work(struct work_struct *work)
5753  {
5754  	struct qla_hw_data *ha =
5755  		container_of(work, struct qla_hw_data, idc_state_handler);
5756  	scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
5757  	uint32_t dev_state = 0;
5758  
5759  	qla83xx_idc_lock(base_vha, 0);
5760  	qla83xx_rd_reg(base_vha, QLA83XX_IDC_DEV_STATE, &dev_state);
5761  	if (dev_state == QLA8XXX_DEV_FAILED ||
5762  			dev_state == QLA8XXX_DEV_NEED_QUIESCENT)
5763  		qla83xx_idc_state_handler(base_vha);
5764  	qla83xx_idc_unlock(base_vha, 0);
5765  }
5766  
5767  static int
qla83xx_check_nic_core_fw_alive(scsi_qla_host_t * base_vha)5768  qla83xx_check_nic_core_fw_alive(scsi_qla_host_t *base_vha)
5769  {
5770  	int rval = QLA_SUCCESS;
5771  	unsigned long heart_beat_wait = jiffies + (1 * HZ);
5772  	uint32_t heart_beat_counter1, heart_beat_counter2;
5773  
5774  	do {
5775  		if (time_after(jiffies, heart_beat_wait)) {
5776  			ql_dbg(ql_dbg_p3p, base_vha, 0xb07c,
5777  			    "Nic Core f/w is not alive.\n");
5778  			rval = QLA_FUNCTION_FAILED;
5779  			break;
5780  		}
5781  
5782  		qla83xx_idc_lock(base_vha, 0);
5783  		qla83xx_rd_reg(base_vha, QLA83XX_FW_HEARTBEAT,
5784  		    &heart_beat_counter1);
5785  		qla83xx_idc_unlock(base_vha, 0);
5786  		msleep(100);
5787  		qla83xx_idc_lock(base_vha, 0);
5788  		qla83xx_rd_reg(base_vha, QLA83XX_FW_HEARTBEAT,
5789  		    &heart_beat_counter2);
5790  		qla83xx_idc_unlock(base_vha, 0);
5791  	} while (heart_beat_counter1 == heart_beat_counter2);
5792  
5793  	return rval;
5794  }
5795  
5796  /* Work: Perform NIC Core Reset handling */
5797  void
qla83xx_nic_core_reset_work(struct work_struct * work)5798  qla83xx_nic_core_reset_work(struct work_struct *work)
5799  {
5800  	struct qla_hw_data *ha =
5801  		container_of(work, struct qla_hw_data, nic_core_reset);
5802  	scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
5803  	uint32_t dev_state = 0;
5804  
5805  	if (IS_QLA2031(ha)) {
5806  		if (qla2xxx_mctp_dump(base_vha) != QLA_SUCCESS)
5807  			ql_log(ql_log_warn, base_vha, 0xb081,
5808  			    "Failed to dump mctp\n");
5809  		return;
5810  	}
5811  
5812  	if (!ha->flags.nic_core_reset_hdlr_active) {
5813  		if (qla83xx_check_nic_core_fw_alive(base_vha) == QLA_SUCCESS) {
5814  			qla83xx_idc_lock(base_vha, 0);
5815  			qla83xx_rd_reg(base_vha, QLA83XX_IDC_DEV_STATE,
5816  			    &dev_state);
5817  			qla83xx_idc_unlock(base_vha, 0);
5818  			if (dev_state != QLA8XXX_DEV_NEED_RESET) {
5819  				ql_dbg(ql_dbg_p3p, base_vha, 0xb07a,
5820  				    "Nic Core f/w is alive.\n");
5821  				return;
5822  			}
5823  		}
5824  
5825  		ha->flags.nic_core_reset_hdlr_active = 1;
5826  		if (qla83xx_nic_core_reset(base_vha)) {
5827  			/* NIC Core reset failed. */
5828  			ql_dbg(ql_dbg_p3p, base_vha, 0xb061,
5829  			    "NIC Core reset failed.\n");
5830  		}
5831  		ha->flags.nic_core_reset_hdlr_active = 0;
5832  	}
5833  }
5834  
5835  /* Work: Handle 8200 IDC aens */
5836  void
qla83xx_service_idc_aen(struct work_struct * work)5837  qla83xx_service_idc_aen(struct work_struct *work)
5838  {
5839  	struct qla_hw_data *ha =
5840  		container_of(work, struct qla_hw_data, idc_aen);
5841  	scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
5842  	uint32_t dev_state, idc_control;
5843  
5844  	qla83xx_idc_lock(base_vha, 0);
5845  	qla83xx_rd_reg(base_vha, QLA83XX_IDC_DEV_STATE, &dev_state);
5846  	qla83xx_rd_reg(base_vha, QLA83XX_IDC_CONTROL, &idc_control);
5847  	qla83xx_idc_unlock(base_vha, 0);
5848  	if (dev_state == QLA8XXX_DEV_NEED_RESET) {
5849  		if (idc_control & QLA83XX_IDC_GRACEFUL_RESET) {
5850  			ql_dbg(ql_dbg_p3p, base_vha, 0xb062,
5851  			    "Application requested NIC Core Reset.\n");
5852  			qla83xx_schedule_work(base_vha, QLA83XX_NIC_CORE_RESET);
5853  		} else if (qla83xx_check_nic_core_fw_alive(base_vha) ==
5854  		    QLA_SUCCESS) {
5855  			ql_dbg(ql_dbg_p3p, base_vha, 0xb07b,
5856  			    "Other protocol driver requested NIC Core Reset.\n");
5857  			qla83xx_schedule_work(base_vha, QLA83XX_NIC_CORE_RESET);
5858  		}
5859  	} else if (dev_state == QLA8XXX_DEV_FAILED ||
5860  			dev_state == QLA8XXX_DEV_NEED_QUIESCENT) {
5861  		qla83xx_schedule_work(base_vha, QLA83XX_IDC_STATE_HANDLER);
5862  	}
5863  }
5864  
5865  /*
5866   * Control the frequency of IDC lock retries
5867   */
5868  #define QLA83XX_WAIT_LOGIC_MS	100
5869  
5870  static int
qla83xx_force_lock_recovery(scsi_qla_host_t * base_vha)5871  qla83xx_force_lock_recovery(scsi_qla_host_t *base_vha)
5872  {
5873  	int rval;
5874  	uint32_t data;
5875  	uint32_t idc_lck_rcvry_stage_mask = 0x3;
5876  	uint32_t idc_lck_rcvry_owner_mask = 0x3c;
5877  	struct qla_hw_data *ha = base_vha->hw;
5878  
5879  	ql_dbg(ql_dbg_p3p, base_vha, 0xb086,
5880  	    "Trying force recovery of the IDC lock.\n");
5881  
5882  	rval = qla83xx_rd_reg(base_vha, QLA83XX_IDC_LOCK_RECOVERY, &data);
5883  	if (rval)
5884  		return rval;
5885  
5886  	if ((data & idc_lck_rcvry_stage_mask) > 0) {
5887  		return QLA_SUCCESS;
5888  	} else {
5889  		data = (IDC_LOCK_RECOVERY_STAGE1) | (ha->portnum << 2);
5890  		rval = qla83xx_wr_reg(base_vha, QLA83XX_IDC_LOCK_RECOVERY,
5891  		    data);
5892  		if (rval)
5893  			return rval;
5894  
5895  		msleep(200);
5896  
5897  		rval = qla83xx_rd_reg(base_vha, QLA83XX_IDC_LOCK_RECOVERY,
5898  		    &data);
5899  		if (rval)
5900  			return rval;
5901  
5902  		if (((data & idc_lck_rcvry_owner_mask) >> 2) == ha->portnum) {
5903  			data &= (IDC_LOCK_RECOVERY_STAGE2 |
5904  					~(idc_lck_rcvry_stage_mask));
5905  			rval = qla83xx_wr_reg(base_vha,
5906  			    QLA83XX_IDC_LOCK_RECOVERY, data);
5907  			if (rval)
5908  				return rval;
5909  
5910  			/* Forcefully perform IDC UnLock */
5911  			rval = qla83xx_rd_reg(base_vha, QLA83XX_DRIVER_UNLOCK,
5912  			    &data);
5913  			if (rval)
5914  				return rval;
5915  			/* Clear lock-id by setting 0xff */
5916  			rval = qla83xx_wr_reg(base_vha, QLA83XX_DRIVER_LOCKID,
5917  			    0xff);
5918  			if (rval)
5919  				return rval;
5920  			/* Clear lock-recovery by setting 0x0 */
5921  			rval = qla83xx_wr_reg(base_vha,
5922  			    QLA83XX_IDC_LOCK_RECOVERY, 0x0);
5923  			if (rval)
5924  				return rval;
5925  		} else
5926  			return QLA_SUCCESS;
5927  	}
5928  
5929  	return rval;
5930  }
5931  
5932  static int
qla83xx_idc_lock_recovery(scsi_qla_host_t * base_vha)5933  qla83xx_idc_lock_recovery(scsi_qla_host_t *base_vha)
5934  {
5935  	int rval = QLA_SUCCESS;
5936  	uint32_t o_drv_lockid, n_drv_lockid;
5937  	unsigned long lock_recovery_timeout;
5938  
5939  	lock_recovery_timeout = jiffies + QLA83XX_MAX_LOCK_RECOVERY_WAIT;
5940  retry_lockid:
5941  	rval = qla83xx_rd_reg(base_vha, QLA83XX_DRIVER_LOCKID, &o_drv_lockid);
5942  	if (rval)
5943  		goto exit;
5944  
5945  	/* MAX wait time before forcing IDC Lock recovery = 2 secs */
5946  	if (time_after_eq(jiffies, lock_recovery_timeout)) {
5947  		if (qla83xx_force_lock_recovery(base_vha) == QLA_SUCCESS)
5948  			return QLA_SUCCESS;
5949  		else
5950  			return QLA_FUNCTION_FAILED;
5951  	}
5952  
5953  	rval = qla83xx_rd_reg(base_vha, QLA83XX_DRIVER_LOCKID, &n_drv_lockid);
5954  	if (rval)
5955  		goto exit;
5956  
5957  	if (o_drv_lockid == n_drv_lockid) {
5958  		msleep(QLA83XX_WAIT_LOGIC_MS);
5959  		goto retry_lockid;
5960  	} else
5961  		return QLA_SUCCESS;
5962  
5963  exit:
5964  	return rval;
5965  }
5966  
5967  /*
5968   * Context: task, can sleep
5969   */
5970  void
qla83xx_idc_lock(scsi_qla_host_t * base_vha,uint16_t requester_id)5971  qla83xx_idc_lock(scsi_qla_host_t *base_vha, uint16_t requester_id)
5972  {
5973  	uint32_t data;
5974  	uint32_t lock_owner;
5975  	struct qla_hw_data *ha = base_vha->hw;
5976  
5977  	might_sleep();
5978  
5979  	/* IDC-lock implementation using driver-lock/lock-id remote registers */
5980  retry_lock:
5981  	if (qla83xx_rd_reg(base_vha, QLA83XX_DRIVER_LOCK, &data)
5982  	    == QLA_SUCCESS) {
5983  		if (data) {
5984  			/* Setting lock-id to our function-number */
5985  			qla83xx_wr_reg(base_vha, QLA83XX_DRIVER_LOCKID,
5986  			    ha->portnum);
5987  		} else {
5988  			qla83xx_rd_reg(base_vha, QLA83XX_DRIVER_LOCKID,
5989  			    &lock_owner);
5990  			ql_dbg(ql_dbg_p3p, base_vha, 0xb063,
5991  			    "Failed to acquire IDC lock, acquired by %d, "
5992  			    "retrying...\n", lock_owner);
5993  
5994  			/* Retry/Perform IDC-Lock recovery */
5995  			if (qla83xx_idc_lock_recovery(base_vha)
5996  			    == QLA_SUCCESS) {
5997  				msleep(QLA83XX_WAIT_LOGIC_MS);
5998  				goto retry_lock;
5999  			} else
6000  				ql_log(ql_log_warn, base_vha, 0xb075,
6001  				    "IDC Lock recovery FAILED.\n");
6002  		}
6003  
6004  	}
6005  
6006  	return;
6007  }
6008  
6009  static bool
qla25xx_rdp_rsp_reduce_size(struct scsi_qla_host * vha,struct purex_entry_24xx * purex)6010  qla25xx_rdp_rsp_reduce_size(struct scsi_qla_host *vha,
6011  	struct purex_entry_24xx *purex)
6012  {
6013  	char fwstr[16];
6014  	u32 sid = purex->s_id[2] << 16 | purex->s_id[1] << 8 | purex->s_id[0];
6015  	struct port_database_24xx *pdb;
6016  
6017  	/* Domain Controller is always logged-out. */
6018  	/* if RDP request is not from Domain Controller: */
6019  	if (sid != 0xfffc01)
6020  		return false;
6021  
6022  	ql_dbg(ql_dbg_init, vha, 0x0181, "%s: s_id=%#x\n", __func__, sid);
6023  
6024  	pdb = kzalloc(sizeof(*pdb), GFP_KERNEL);
6025  	if (!pdb) {
6026  		ql_dbg(ql_dbg_init, vha, 0x0181,
6027  		    "%s: Failed allocate pdb\n", __func__);
6028  	} else if (qla24xx_get_port_database(vha,
6029  				le16_to_cpu(purex->nport_handle), pdb)) {
6030  		ql_dbg(ql_dbg_init, vha, 0x0181,
6031  		    "%s: Failed get pdb sid=%x\n", __func__, sid);
6032  	} else if (pdb->current_login_state != PDS_PLOGI_COMPLETE &&
6033  	    pdb->current_login_state != PDS_PRLI_COMPLETE) {
6034  		ql_dbg(ql_dbg_init, vha, 0x0181,
6035  		    "%s: Port not logged in sid=%#x\n", __func__, sid);
6036  	} else {
6037  		/* RDP request is from logged in port */
6038  		kfree(pdb);
6039  		return false;
6040  	}
6041  	kfree(pdb);
6042  
6043  	vha->hw->isp_ops->fw_version_str(vha, fwstr, sizeof(fwstr));
6044  	fwstr[strcspn(fwstr, " ")] = 0;
6045  	/* if FW version allows RDP response length upto 2048 bytes: */
6046  	if (strcmp(fwstr, "8.09.00") > 0 || strcmp(fwstr, "8.05.65") == 0)
6047  		return false;
6048  
6049  	ql_dbg(ql_dbg_init, vha, 0x0181, "%s: fw=%s\n", __func__, fwstr);
6050  
6051  	/* RDP response length is to be reduced to maximum 256 bytes */
6052  	return true;
6053  }
6054  
6055  /*
6056   * Function Name: qla24xx_process_purex_iocb
6057   *
6058   * Description:
6059   * Prepare a RDP response and send to Fabric switch
6060   *
6061   * PARAMETERS:
6062   * vha:	SCSI qla host
6063   * purex: RDP request received by HBA
6064   */
qla24xx_process_purex_rdp(struct scsi_qla_host * vha,struct purex_item * item)6065  void qla24xx_process_purex_rdp(struct scsi_qla_host *vha,
6066  			       struct purex_item *item)
6067  {
6068  	struct qla_hw_data *ha = vha->hw;
6069  	struct purex_entry_24xx *purex =
6070  	    (struct purex_entry_24xx *)&item->iocb;
6071  	dma_addr_t rsp_els_dma;
6072  	dma_addr_t rsp_payload_dma;
6073  	dma_addr_t stat_dma;
6074  	dma_addr_t sfp_dma;
6075  	struct els_entry_24xx *rsp_els = NULL;
6076  	struct rdp_rsp_payload *rsp_payload = NULL;
6077  	struct link_statistics *stat = NULL;
6078  	uint8_t *sfp = NULL;
6079  	uint16_t sfp_flags = 0;
6080  	uint rsp_payload_length = sizeof(*rsp_payload);
6081  	int rval;
6082  
6083  	ql_dbg(ql_dbg_init + ql_dbg_verbose, vha, 0x0180,
6084  	    "%s: Enter\n", __func__);
6085  
6086  	ql_dbg(ql_dbg_init + ql_dbg_verbose, vha, 0x0181,
6087  	    "-------- ELS REQ -------\n");
6088  	ql_dump_buffer(ql_dbg_init + ql_dbg_verbose, vha, 0x0182,
6089  	    purex, sizeof(*purex));
6090  
6091  	if (qla25xx_rdp_rsp_reduce_size(vha, purex)) {
6092  		rsp_payload_length =
6093  		    offsetof(typeof(*rsp_payload), optical_elmt_desc);
6094  		ql_dbg(ql_dbg_init, vha, 0x0181,
6095  		    "Reducing RSP payload length to %u bytes...\n",
6096  		    rsp_payload_length);
6097  	}
6098  
6099  	rsp_els = dma_alloc_coherent(&ha->pdev->dev, sizeof(*rsp_els),
6100  	    &rsp_els_dma, GFP_KERNEL);
6101  	if (!rsp_els) {
6102  		ql_log(ql_log_warn, vha, 0x0183,
6103  		    "Failed allocate dma buffer ELS RSP.\n");
6104  		goto dealloc;
6105  	}
6106  
6107  	rsp_payload = dma_alloc_coherent(&ha->pdev->dev, sizeof(*rsp_payload),
6108  	    &rsp_payload_dma, GFP_KERNEL);
6109  	if (!rsp_payload) {
6110  		ql_log(ql_log_warn, vha, 0x0184,
6111  		    "Failed allocate dma buffer ELS RSP payload.\n");
6112  		goto dealloc;
6113  	}
6114  
6115  	sfp = dma_alloc_coherent(&ha->pdev->dev, SFP_RTDI_LEN,
6116  	    &sfp_dma, GFP_KERNEL);
6117  
6118  	stat = dma_alloc_coherent(&ha->pdev->dev, sizeof(*stat),
6119  	    &stat_dma, GFP_KERNEL);
6120  
6121  	/* Prepare Response IOCB */
6122  	rsp_els->entry_type = ELS_IOCB_TYPE;
6123  	rsp_els->entry_count = 1;
6124  	rsp_els->sys_define = 0;
6125  	rsp_els->entry_status = 0;
6126  	rsp_els->handle = 0;
6127  	rsp_els->nport_handle = purex->nport_handle;
6128  	rsp_els->tx_dsd_count = cpu_to_le16(1);
6129  	rsp_els->vp_index = purex->vp_idx;
6130  	rsp_els->sof_type = EST_SOFI3;
6131  	rsp_els->rx_xchg_address = purex->rx_xchg_addr;
6132  	rsp_els->rx_dsd_count = 0;
6133  	rsp_els->opcode = purex->els_frame_payload[0];
6134  
6135  	rsp_els->d_id[0] = purex->s_id[0];
6136  	rsp_els->d_id[1] = purex->s_id[1];
6137  	rsp_els->d_id[2] = purex->s_id[2];
6138  
6139  	rsp_els->control_flags = cpu_to_le16(EPD_ELS_ACC);
6140  	rsp_els->rx_byte_count = 0;
6141  	rsp_els->tx_byte_count = cpu_to_le32(rsp_payload_length);
6142  
6143  	put_unaligned_le64(rsp_payload_dma, &rsp_els->tx_address);
6144  	rsp_els->tx_len = rsp_els->tx_byte_count;
6145  
6146  	rsp_els->rx_address = 0;
6147  	rsp_els->rx_len = 0;
6148  
6149  	/* Prepare Response Payload */
6150  	rsp_payload->hdr.cmd = cpu_to_be32(0x2 << 24); /* LS_ACC */
6151  	rsp_payload->hdr.len = cpu_to_be32(le32_to_cpu(rsp_els->tx_byte_count) -
6152  					   sizeof(rsp_payload->hdr));
6153  
6154  	/* Link service Request Info Descriptor */
6155  	rsp_payload->ls_req_info_desc.desc_tag = cpu_to_be32(0x1);
6156  	rsp_payload->ls_req_info_desc.desc_len =
6157  	    cpu_to_be32(RDP_DESC_LEN(rsp_payload->ls_req_info_desc));
6158  	rsp_payload->ls_req_info_desc.req_payload_word_0 =
6159  	    cpu_to_be32p((uint32_t *)purex->els_frame_payload);
6160  
6161  	/* Link service Request Info Descriptor 2 */
6162  	rsp_payload->ls_req_info_desc2.desc_tag = cpu_to_be32(0x1);
6163  	rsp_payload->ls_req_info_desc2.desc_len =
6164  	    cpu_to_be32(RDP_DESC_LEN(rsp_payload->ls_req_info_desc2));
6165  	rsp_payload->ls_req_info_desc2.req_payload_word_0 =
6166  	    cpu_to_be32p((uint32_t *)purex->els_frame_payload);
6167  
6168  
6169  	rsp_payload->sfp_diag_desc.desc_tag = cpu_to_be32(0x10000);
6170  	rsp_payload->sfp_diag_desc.desc_len =
6171  		cpu_to_be32(RDP_DESC_LEN(rsp_payload->sfp_diag_desc));
6172  
6173  	if (sfp) {
6174  		/* SFP Flags */
6175  		memset(sfp, 0, SFP_RTDI_LEN);
6176  		rval = qla2x00_read_sfp(vha, sfp_dma, sfp, 0xa0, 0x7, 2, 0);
6177  		if (!rval) {
6178  			/* SFP Flags bits 3-0: Port Tx Laser Type */
6179  			if (sfp[0] & BIT_2 || sfp[1] & (BIT_6|BIT_5))
6180  				sfp_flags |= BIT_0; /* short wave */
6181  			else if (sfp[0] & BIT_1)
6182  				sfp_flags |= BIT_1; /* long wave 1310nm */
6183  			else if (sfp[1] & BIT_4)
6184  				sfp_flags |= BIT_1|BIT_0; /* long wave 1550nm */
6185  		}
6186  
6187  		/* SFP Type */
6188  		memset(sfp, 0, SFP_RTDI_LEN);
6189  		rval = qla2x00_read_sfp(vha, sfp_dma, sfp, 0xa0, 0x0, 1, 0);
6190  		if (!rval) {
6191  			sfp_flags |= BIT_4; /* optical */
6192  			if (sfp[0] == 0x3)
6193  				sfp_flags |= BIT_6; /* sfp+ */
6194  		}
6195  
6196  		rsp_payload->sfp_diag_desc.sfp_flags = cpu_to_be16(sfp_flags);
6197  
6198  		/* SFP Diagnostics */
6199  		memset(sfp, 0, SFP_RTDI_LEN);
6200  		rval = qla2x00_read_sfp(vha, sfp_dma, sfp, 0xa2, 0x60, 10, 0);
6201  		if (!rval) {
6202  			__be16 *trx = (__force __be16 *)sfp; /* already be16 */
6203  			rsp_payload->sfp_diag_desc.temperature = trx[0];
6204  			rsp_payload->sfp_diag_desc.vcc = trx[1];
6205  			rsp_payload->sfp_diag_desc.tx_bias = trx[2];
6206  			rsp_payload->sfp_diag_desc.tx_power = trx[3];
6207  			rsp_payload->sfp_diag_desc.rx_power = trx[4];
6208  		}
6209  	}
6210  
6211  	/* Port Speed Descriptor */
6212  	rsp_payload->port_speed_desc.desc_tag = cpu_to_be32(0x10001);
6213  	rsp_payload->port_speed_desc.desc_len =
6214  	    cpu_to_be32(RDP_DESC_LEN(rsp_payload->port_speed_desc));
6215  	rsp_payload->port_speed_desc.speed_capab = cpu_to_be16(
6216  	    qla25xx_fdmi_port_speed_capability(ha));
6217  	rsp_payload->port_speed_desc.operating_speed = cpu_to_be16(
6218  	    qla25xx_fdmi_port_speed_currently(ha));
6219  
6220  	/* Link Error Status Descriptor */
6221  	rsp_payload->ls_err_desc.desc_tag = cpu_to_be32(0x10002);
6222  	rsp_payload->ls_err_desc.desc_len =
6223  		cpu_to_be32(RDP_DESC_LEN(rsp_payload->ls_err_desc));
6224  
6225  	if (stat) {
6226  		rval = qla24xx_get_isp_stats(vha, stat, stat_dma, 0);
6227  		if (!rval) {
6228  			rsp_payload->ls_err_desc.link_fail_cnt =
6229  			    cpu_to_be32(le32_to_cpu(stat->link_fail_cnt));
6230  			rsp_payload->ls_err_desc.loss_sync_cnt =
6231  			    cpu_to_be32(le32_to_cpu(stat->loss_sync_cnt));
6232  			rsp_payload->ls_err_desc.loss_sig_cnt =
6233  			    cpu_to_be32(le32_to_cpu(stat->loss_sig_cnt));
6234  			rsp_payload->ls_err_desc.prim_seq_err_cnt =
6235  			    cpu_to_be32(le32_to_cpu(stat->prim_seq_err_cnt));
6236  			rsp_payload->ls_err_desc.inval_xmit_word_cnt =
6237  			    cpu_to_be32(le32_to_cpu(stat->inval_xmit_word_cnt));
6238  			rsp_payload->ls_err_desc.inval_crc_cnt =
6239  			    cpu_to_be32(le32_to_cpu(stat->inval_crc_cnt));
6240  			rsp_payload->ls_err_desc.pn_port_phy_type |= BIT_6;
6241  		}
6242  	}
6243  
6244  	/* Portname Descriptor */
6245  	rsp_payload->port_name_diag_desc.desc_tag = cpu_to_be32(0x10003);
6246  	rsp_payload->port_name_diag_desc.desc_len =
6247  	    cpu_to_be32(RDP_DESC_LEN(rsp_payload->port_name_diag_desc));
6248  	memcpy(rsp_payload->port_name_diag_desc.WWNN,
6249  	    vha->node_name,
6250  	    sizeof(rsp_payload->port_name_diag_desc.WWNN));
6251  	memcpy(rsp_payload->port_name_diag_desc.WWPN,
6252  	    vha->port_name,
6253  	    sizeof(rsp_payload->port_name_diag_desc.WWPN));
6254  
6255  	/* F-Port Portname Descriptor */
6256  	rsp_payload->port_name_direct_desc.desc_tag = cpu_to_be32(0x10003);
6257  	rsp_payload->port_name_direct_desc.desc_len =
6258  	    cpu_to_be32(RDP_DESC_LEN(rsp_payload->port_name_direct_desc));
6259  	memcpy(rsp_payload->port_name_direct_desc.WWNN,
6260  	    vha->fabric_node_name,
6261  	    sizeof(rsp_payload->port_name_direct_desc.WWNN));
6262  	memcpy(rsp_payload->port_name_direct_desc.WWPN,
6263  	    vha->fabric_port_name,
6264  	    sizeof(rsp_payload->port_name_direct_desc.WWPN));
6265  
6266  	/* Bufer Credit Descriptor */
6267  	rsp_payload->buffer_credit_desc.desc_tag = cpu_to_be32(0x10006);
6268  	rsp_payload->buffer_credit_desc.desc_len =
6269  		cpu_to_be32(RDP_DESC_LEN(rsp_payload->buffer_credit_desc));
6270  	rsp_payload->buffer_credit_desc.fcport_b2b = 0;
6271  	rsp_payload->buffer_credit_desc.attached_fcport_b2b = cpu_to_be32(0);
6272  	rsp_payload->buffer_credit_desc.fcport_rtt = cpu_to_be32(0);
6273  
6274  	if (ha->flags.plogi_template_valid) {
6275  		uint32_t tmp =
6276  		be16_to_cpu(ha->plogi_els_payld.fl_csp.sp_bb_cred);
6277  		rsp_payload->buffer_credit_desc.fcport_b2b = cpu_to_be32(tmp);
6278  	}
6279  
6280  	if (rsp_payload_length < sizeof(*rsp_payload))
6281  		goto send;
6282  
6283  	/* Optical Element Descriptor, Temperature */
6284  	rsp_payload->optical_elmt_desc[0].desc_tag = cpu_to_be32(0x10007);
6285  	rsp_payload->optical_elmt_desc[0].desc_len =
6286  		cpu_to_be32(RDP_DESC_LEN(*rsp_payload->optical_elmt_desc));
6287  	/* Optical Element Descriptor, Voltage */
6288  	rsp_payload->optical_elmt_desc[1].desc_tag = cpu_to_be32(0x10007);
6289  	rsp_payload->optical_elmt_desc[1].desc_len =
6290  		cpu_to_be32(RDP_DESC_LEN(*rsp_payload->optical_elmt_desc));
6291  	/* Optical Element Descriptor, Tx Bias Current */
6292  	rsp_payload->optical_elmt_desc[2].desc_tag = cpu_to_be32(0x10007);
6293  	rsp_payload->optical_elmt_desc[2].desc_len =
6294  		cpu_to_be32(RDP_DESC_LEN(*rsp_payload->optical_elmt_desc));
6295  	/* Optical Element Descriptor, Tx Power */
6296  	rsp_payload->optical_elmt_desc[3].desc_tag = cpu_to_be32(0x10007);
6297  	rsp_payload->optical_elmt_desc[3].desc_len =
6298  		cpu_to_be32(RDP_DESC_LEN(*rsp_payload->optical_elmt_desc));
6299  	/* Optical Element Descriptor, Rx Power */
6300  	rsp_payload->optical_elmt_desc[4].desc_tag = cpu_to_be32(0x10007);
6301  	rsp_payload->optical_elmt_desc[4].desc_len =
6302  		cpu_to_be32(RDP_DESC_LEN(*rsp_payload->optical_elmt_desc));
6303  
6304  	if (sfp) {
6305  		memset(sfp, 0, SFP_RTDI_LEN);
6306  		rval = qla2x00_read_sfp(vha, sfp_dma, sfp, 0xa2, 0, 64, 0);
6307  		if (!rval) {
6308  			__be16 *trx = (__force __be16 *)sfp; /* already be16 */
6309  
6310  			/* Optical Element Descriptor, Temperature */
6311  			rsp_payload->optical_elmt_desc[0].high_alarm = trx[0];
6312  			rsp_payload->optical_elmt_desc[0].low_alarm = trx[1];
6313  			rsp_payload->optical_elmt_desc[0].high_warn = trx[2];
6314  			rsp_payload->optical_elmt_desc[0].low_warn = trx[3];
6315  			rsp_payload->optical_elmt_desc[0].element_flags =
6316  			    cpu_to_be32(1 << 28);
6317  
6318  			/* Optical Element Descriptor, Voltage */
6319  			rsp_payload->optical_elmt_desc[1].high_alarm = trx[4];
6320  			rsp_payload->optical_elmt_desc[1].low_alarm = trx[5];
6321  			rsp_payload->optical_elmt_desc[1].high_warn = trx[6];
6322  			rsp_payload->optical_elmt_desc[1].low_warn = trx[7];
6323  			rsp_payload->optical_elmt_desc[1].element_flags =
6324  			    cpu_to_be32(2 << 28);
6325  
6326  			/* Optical Element Descriptor, Tx Bias Current */
6327  			rsp_payload->optical_elmt_desc[2].high_alarm = trx[8];
6328  			rsp_payload->optical_elmt_desc[2].low_alarm = trx[9];
6329  			rsp_payload->optical_elmt_desc[2].high_warn = trx[10];
6330  			rsp_payload->optical_elmt_desc[2].low_warn = trx[11];
6331  			rsp_payload->optical_elmt_desc[2].element_flags =
6332  			    cpu_to_be32(3 << 28);
6333  
6334  			/* Optical Element Descriptor, Tx Power */
6335  			rsp_payload->optical_elmt_desc[3].high_alarm = trx[12];
6336  			rsp_payload->optical_elmt_desc[3].low_alarm = trx[13];
6337  			rsp_payload->optical_elmt_desc[3].high_warn = trx[14];
6338  			rsp_payload->optical_elmt_desc[3].low_warn = trx[15];
6339  			rsp_payload->optical_elmt_desc[3].element_flags =
6340  			    cpu_to_be32(4 << 28);
6341  
6342  			/* Optical Element Descriptor, Rx Power */
6343  			rsp_payload->optical_elmt_desc[4].high_alarm = trx[16];
6344  			rsp_payload->optical_elmt_desc[4].low_alarm = trx[17];
6345  			rsp_payload->optical_elmt_desc[4].high_warn = trx[18];
6346  			rsp_payload->optical_elmt_desc[4].low_warn = trx[19];
6347  			rsp_payload->optical_elmt_desc[4].element_flags =
6348  			    cpu_to_be32(5 << 28);
6349  		}
6350  
6351  		memset(sfp, 0, SFP_RTDI_LEN);
6352  		rval = qla2x00_read_sfp(vha, sfp_dma, sfp, 0xa2, 112, 64, 0);
6353  		if (!rval) {
6354  			/* Temperature high/low alarm/warning */
6355  			rsp_payload->optical_elmt_desc[0].element_flags |=
6356  			    cpu_to_be32(
6357  				(sfp[0] >> 7 & 1) << 3 |
6358  				(sfp[0] >> 6 & 1) << 2 |
6359  				(sfp[4] >> 7 & 1) << 1 |
6360  				(sfp[4] >> 6 & 1) << 0);
6361  
6362  			/* Voltage high/low alarm/warning */
6363  			rsp_payload->optical_elmt_desc[1].element_flags |=
6364  			    cpu_to_be32(
6365  				(sfp[0] >> 5 & 1) << 3 |
6366  				(sfp[0] >> 4 & 1) << 2 |
6367  				(sfp[4] >> 5 & 1) << 1 |
6368  				(sfp[4] >> 4 & 1) << 0);
6369  
6370  			/* Tx Bias Current high/low alarm/warning */
6371  			rsp_payload->optical_elmt_desc[2].element_flags |=
6372  			    cpu_to_be32(
6373  				(sfp[0] >> 3 & 1) << 3 |
6374  				(sfp[0] >> 2 & 1) << 2 |
6375  				(sfp[4] >> 3 & 1) << 1 |
6376  				(sfp[4] >> 2 & 1) << 0);
6377  
6378  			/* Tx Power high/low alarm/warning */
6379  			rsp_payload->optical_elmt_desc[3].element_flags |=
6380  			    cpu_to_be32(
6381  				(sfp[0] >> 1 & 1) << 3 |
6382  				(sfp[0] >> 0 & 1) << 2 |
6383  				(sfp[4] >> 1 & 1) << 1 |
6384  				(sfp[4] >> 0 & 1) << 0);
6385  
6386  			/* Rx Power high/low alarm/warning */
6387  			rsp_payload->optical_elmt_desc[4].element_flags |=
6388  			    cpu_to_be32(
6389  				(sfp[1] >> 7 & 1) << 3 |
6390  				(sfp[1] >> 6 & 1) << 2 |
6391  				(sfp[5] >> 7 & 1) << 1 |
6392  				(sfp[5] >> 6 & 1) << 0);
6393  		}
6394  	}
6395  
6396  	/* Optical Product Data Descriptor */
6397  	rsp_payload->optical_prod_desc.desc_tag = cpu_to_be32(0x10008);
6398  	rsp_payload->optical_prod_desc.desc_len =
6399  		cpu_to_be32(RDP_DESC_LEN(rsp_payload->optical_prod_desc));
6400  
6401  	if (sfp) {
6402  		memset(sfp, 0, SFP_RTDI_LEN);
6403  		rval = qla2x00_read_sfp(vha, sfp_dma, sfp, 0xa0, 20, 64, 0);
6404  		if (!rval) {
6405  			memcpy(rsp_payload->optical_prod_desc.vendor_name,
6406  			    sfp + 0,
6407  			    sizeof(rsp_payload->optical_prod_desc.vendor_name));
6408  			memcpy(rsp_payload->optical_prod_desc.part_number,
6409  			    sfp + 20,
6410  			    sizeof(rsp_payload->optical_prod_desc.part_number));
6411  			memcpy(rsp_payload->optical_prod_desc.revision,
6412  			    sfp + 36,
6413  			    sizeof(rsp_payload->optical_prod_desc.revision));
6414  			memcpy(rsp_payload->optical_prod_desc.serial_number,
6415  			    sfp + 48,
6416  			    sizeof(rsp_payload->optical_prod_desc.serial_number));
6417  		}
6418  
6419  		memset(sfp, 0, SFP_RTDI_LEN);
6420  		rval = qla2x00_read_sfp(vha, sfp_dma, sfp, 0xa0, 84, 8, 0);
6421  		if (!rval) {
6422  			memcpy(rsp_payload->optical_prod_desc.date,
6423  			    sfp + 0,
6424  			    sizeof(rsp_payload->optical_prod_desc.date));
6425  		}
6426  	}
6427  
6428  send:
6429  	ql_dbg(ql_dbg_init, vha, 0x0183,
6430  	    "Sending ELS Response to RDP Request...\n");
6431  	ql_dbg(ql_dbg_init + ql_dbg_verbose, vha, 0x0184,
6432  	    "-------- ELS RSP -------\n");
6433  	ql_dump_buffer(ql_dbg_init + ql_dbg_verbose, vha, 0x0185,
6434  	    rsp_els, sizeof(*rsp_els));
6435  	ql_dbg(ql_dbg_init + ql_dbg_verbose, vha, 0x0186,
6436  	    "-------- ELS RSP PAYLOAD -------\n");
6437  	ql_dump_buffer(ql_dbg_init + ql_dbg_verbose, vha, 0x0187,
6438  	    rsp_payload, rsp_payload_length);
6439  
6440  	rval = qla2x00_issue_iocb(vha, rsp_els, rsp_els_dma, 0);
6441  
6442  	if (rval) {
6443  		ql_log(ql_log_warn, vha, 0x0188,
6444  		    "%s: iocb failed to execute -> %x\n", __func__, rval);
6445  	} else if (rsp_els->comp_status) {
6446  		ql_log(ql_log_warn, vha, 0x0189,
6447  		    "%s: iocb failed to complete -> completion=%#x subcode=(%#x,%#x)\n",
6448  		    __func__, rsp_els->comp_status,
6449  		    rsp_els->error_subcode_1, rsp_els->error_subcode_2);
6450  	} else {
6451  		ql_dbg(ql_dbg_init, vha, 0x018a, "%s: done.\n", __func__);
6452  	}
6453  
6454  dealloc:
6455  	if (stat)
6456  		dma_free_coherent(&ha->pdev->dev, sizeof(*stat),
6457  		    stat, stat_dma);
6458  	if (sfp)
6459  		dma_free_coherent(&ha->pdev->dev, SFP_RTDI_LEN,
6460  		    sfp, sfp_dma);
6461  	if (rsp_payload)
6462  		dma_free_coherent(&ha->pdev->dev, sizeof(*rsp_payload),
6463  		    rsp_payload, rsp_payload_dma);
6464  	if (rsp_els)
6465  		dma_free_coherent(&ha->pdev->dev, sizeof(*rsp_els),
6466  		    rsp_els, rsp_els_dma);
6467  }
6468  
6469  void
qla24xx_free_purex_item(struct purex_item * item)6470  qla24xx_free_purex_item(struct purex_item *item)
6471  {
6472  	if (item == &item->vha->default_item)
6473  		memset(&item->vha->default_item, 0, sizeof(struct purex_item));
6474  	else
6475  		kfree(item);
6476  }
6477  
qla24xx_process_purex_list(struct purex_list * list)6478  void qla24xx_process_purex_list(struct purex_list *list)
6479  {
6480  	struct list_head head = LIST_HEAD_INIT(head);
6481  	struct purex_item *item, *next;
6482  	ulong flags;
6483  
6484  	spin_lock_irqsave(&list->lock, flags);
6485  	list_splice_init(&list->head, &head);
6486  	spin_unlock_irqrestore(&list->lock, flags);
6487  
6488  	list_for_each_entry_safe(item, next, &head, list) {
6489  		list_del(&item->list);
6490  		item->process_item(item->vha, item);
6491  		qla24xx_free_purex_item(item);
6492  	}
6493  }
6494  
6495  /*
6496   * Context: task, can sleep
6497   */
6498  void
qla83xx_idc_unlock(scsi_qla_host_t * base_vha,uint16_t requester_id)6499  qla83xx_idc_unlock(scsi_qla_host_t *base_vha, uint16_t requester_id)
6500  {
6501  #if 0
6502  	uint16_t options = (requester_id << 15) | BIT_7;
6503  #endif
6504  	uint16_t retry;
6505  	uint32_t data;
6506  	struct qla_hw_data *ha = base_vha->hw;
6507  
6508  	might_sleep();
6509  
6510  	/* IDC-unlock implementation using driver-unlock/lock-id
6511  	 * remote registers
6512  	 */
6513  	retry = 0;
6514  retry_unlock:
6515  	if (qla83xx_rd_reg(base_vha, QLA83XX_DRIVER_LOCKID, &data)
6516  	    == QLA_SUCCESS) {
6517  		if (data == ha->portnum) {
6518  			qla83xx_rd_reg(base_vha, QLA83XX_DRIVER_UNLOCK, &data);
6519  			/* Clearing lock-id by setting 0xff */
6520  			qla83xx_wr_reg(base_vha, QLA83XX_DRIVER_LOCKID, 0xff);
6521  		} else if (retry < 10) {
6522  			/* SV: XXX: IDC unlock retrying needed here? */
6523  
6524  			/* Retry for IDC-unlock */
6525  			msleep(QLA83XX_WAIT_LOGIC_MS);
6526  			retry++;
6527  			ql_dbg(ql_dbg_p3p, base_vha, 0xb064,
6528  			    "Failed to release IDC lock, retrying=%d\n", retry);
6529  			goto retry_unlock;
6530  		}
6531  	} else if (retry < 10) {
6532  		/* Retry for IDC-unlock */
6533  		msleep(QLA83XX_WAIT_LOGIC_MS);
6534  		retry++;
6535  		ql_dbg(ql_dbg_p3p, base_vha, 0xb065,
6536  		    "Failed to read drv-lockid, retrying=%d\n", retry);
6537  		goto retry_unlock;
6538  	}
6539  
6540  	return;
6541  
6542  #if 0
6543  	/* XXX: IDC-unlock implementation using access-control mbx */
6544  	retry = 0;
6545  retry_unlock2:
6546  	if (qla83xx_access_control(base_vha, options, 0, 0, NULL)) {
6547  		if (retry < 10) {
6548  			/* Retry for IDC-unlock */
6549  			msleep(QLA83XX_WAIT_LOGIC_MS);
6550  			retry++;
6551  			ql_dbg(ql_dbg_p3p, base_vha, 0xb066,
6552  			    "Failed to release IDC lock, retrying=%d\n", retry);
6553  			goto retry_unlock2;
6554  		}
6555  	}
6556  
6557  	return;
6558  #endif
6559  }
6560  
6561  int
__qla83xx_set_drv_presence(scsi_qla_host_t * vha)6562  __qla83xx_set_drv_presence(scsi_qla_host_t *vha)
6563  {
6564  	int rval = QLA_SUCCESS;
6565  	struct qla_hw_data *ha = vha->hw;
6566  	uint32_t drv_presence;
6567  
6568  	rval = qla83xx_rd_reg(vha, QLA83XX_IDC_DRV_PRESENCE, &drv_presence);
6569  	if (rval == QLA_SUCCESS) {
6570  		drv_presence |= (1 << ha->portnum);
6571  		rval = qla83xx_wr_reg(vha, QLA83XX_IDC_DRV_PRESENCE,
6572  		    drv_presence);
6573  	}
6574  
6575  	return rval;
6576  }
6577  
6578  int
qla83xx_set_drv_presence(scsi_qla_host_t * vha)6579  qla83xx_set_drv_presence(scsi_qla_host_t *vha)
6580  {
6581  	int rval = QLA_SUCCESS;
6582  
6583  	qla83xx_idc_lock(vha, 0);
6584  	rval = __qla83xx_set_drv_presence(vha);
6585  	qla83xx_idc_unlock(vha, 0);
6586  
6587  	return rval;
6588  }
6589  
6590  int
__qla83xx_clear_drv_presence(scsi_qla_host_t * vha)6591  __qla83xx_clear_drv_presence(scsi_qla_host_t *vha)
6592  {
6593  	int rval = QLA_SUCCESS;
6594  	struct qla_hw_data *ha = vha->hw;
6595  	uint32_t drv_presence;
6596  
6597  	rval = qla83xx_rd_reg(vha, QLA83XX_IDC_DRV_PRESENCE, &drv_presence);
6598  	if (rval == QLA_SUCCESS) {
6599  		drv_presence &= ~(1 << ha->portnum);
6600  		rval = qla83xx_wr_reg(vha, QLA83XX_IDC_DRV_PRESENCE,
6601  		    drv_presence);
6602  	}
6603  
6604  	return rval;
6605  }
6606  
6607  int
qla83xx_clear_drv_presence(scsi_qla_host_t * vha)6608  qla83xx_clear_drv_presence(scsi_qla_host_t *vha)
6609  {
6610  	int rval = QLA_SUCCESS;
6611  
6612  	qla83xx_idc_lock(vha, 0);
6613  	rval = __qla83xx_clear_drv_presence(vha);
6614  	qla83xx_idc_unlock(vha, 0);
6615  
6616  	return rval;
6617  }
6618  
6619  static void
qla83xx_need_reset_handler(scsi_qla_host_t * vha)6620  qla83xx_need_reset_handler(scsi_qla_host_t *vha)
6621  {
6622  	struct qla_hw_data *ha = vha->hw;
6623  	uint32_t drv_ack, drv_presence;
6624  	unsigned long ack_timeout;
6625  
6626  	/* Wait for IDC ACK from all functions (DRV-ACK == DRV-PRESENCE) */
6627  	ack_timeout = jiffies + (ha->fcoe_reset_timeout * HZ);
6628  	while (1) {
6629  		qla83xx_rd_reg(vha, QLA83XX_IDC_DRIVER_ACK, &drv_ack);
6630  		qla83xx_rd_reg(vha, QLA83XX_IDC_DRV_PRESENCE, &drv_presence);
6631  		if ((drv_ack & drv_presence) == drv_presence)
6632  			break;
6633  
6634  		if (time_after_eq(jiffies, ack_timeout)) {
6635  			ql_log(ql_log_warn, vha, 0xb067,
6636  			    "RESET ACK TIMEOUT! drv_presence=0x%x "
6637  			    "drv_ack=0x%x\n", drv_presence, drv_ack);
6638  			/*
6639  			 * The function(s) which did not ack in time are forced
6640  			 * to withdraw any further participation in the IDC
6641  			 * reset.
6642  			 */
6643  			if (drv_ack != drv_presence)
6644  				qla83xx_wr_reg(vha, QLA83XX_IDC_DRV_PRESENCE,
6645  				    drv_ack);
6646  			break;
6647  		}
6648  
6649  		qla83xx_idc_unlock(vha, 0);
6650  		msleep(1000);
6651  		qla83xx_idc_lock(vha, 0);
6652  	}
6653  
6654  	qla83xx_wr_reg(vha, QLA83XX_IDC_DEV_STATE, QLA8XXX_DEV_COLD);
6655  	ql_log(ql_log_info, vha, 0xb068, "HW State: COLD/RE-INIT.\n");
6656  }
6657  
6658  static int
qla83xx_device_bootstrap(scsi_qla_host_t * vha)6659  qla83xx_device_bootstrap(scsi_qla_host_t *vha)
6660  {
6661  	int rval = QLA_SUCCESS;
6662  	uint32_t idc_control;
6663  
6664  	qla83xx_wr_reg(vha, QLA83XX_IDC_DEV_STATE, QLA8XXX_DEV_INITIALIZING);
6665  	ql_log(ql_log_info, vha, 0xb069, "HW State: INITIALIZING.\n");
6666  
6667  	/* Clearing IDC-Control Graceful-Reset Bit before resetting f/w */
6668  	__qla83xx_get_idc_control(vha, &idc_control);
6669  	idc_control &= ~QLA83XX_IDC_GRACEFUL_RESET;
6670  	__qla83xx_set_idc_control(vha, 0);
6671  
6672  	qla83xx_idc_unlock(vha, 0);
6673  	rval = qla83xx_restart_nic_firmware(vha);
6674  	qla83xx_idc_lock(vha, 0);
6675  
6676  	if (rval != QLA_SUCCESS) {
6677  		ql_log(ql_log_fatal, vha, 0xb06a,
6678  		    "Failed to restart NIC f/w.\n");
6679  		qla83xx_wr_reg(vha, QLA83XX_IDC_DEV_STATE, QLA8XXX_DEV_FAILED);
6680  		ql_log(ql_log_info, vha, 0xb06b, "HW State: FAILED.\n");
6681  	} else {
6682  		ql_dbg(ql_dbg_p3p, vha, 0xb06c,
6683  		    "Success in restarting nic f/w.\n");
6684  		qla83xx_wr_reg(vha, QLA83XX_IDC_DEV_STATE, QLA8XXX_DEV_READY);
6685  		ql_log(ql_log_info, vha, 0xb06d, "HW State: READY.\n");
6686  	}
6687  
6688  	return rval;
6689  }
6690  
6691  /* Assumes idc_lock always held on entry */
6692  int
qla83xx_idc_state_handler(scsi_qla_host_t * base_vha)6693  qla83xx_idc_state_handler(scsi_qla_host_t *base_vha)
6694  {
6695  	struct qla_hw_data *ha = base_vha->hw;
6696  	int rval = QLA_SUCCESS;
6697  	unsigned long dev_init_timeout;
6698  	uint32_t dev_state;
6699  
6700  	/* Wait for MAX-INIT-TIMEOUT for the device to go ready */
6701  	dev_init_timeout = jiffies + (ha->fcoe_dev_init_timeout * HZ);
6702  
6703  	while (1) {
6704  
6705  		if (time_after_eq(jiffies, dev_init_timeout)) {
6706  			ql_log(ql_log_warn, base_vha, 0xb06e,
6707  			    "Initialization TIMEOUT!\n");
6708  			/* Init timeout. Disable further NIC Core
6709  			 * communication.
6710  			 */
6711  			qla83xx_wr_reg(base_vha, QLA83XX_IDC_DEV_STATE,
6712  				QLA8XXX_DEV_FAILED);
6713  			ql_log(ql_log_info, base_vha, 0xb06f,
6714  			    "HW State: FAILED.\n");
6715  		}
6716  
6717  		qla83xx_rd_reg(base_vha, QLA83XX_IDC_DEV_STATE, &dev_state);
6718  		switch (dev_state) {
6719  		case QLA8XXX_DEV_READY:
6720  			if (ha->flags.nic_core_reset_owner)
6721  				qla83xx_idc_audit(base_vha,
6722  				    IDC_AUDIT_COMPLETION);
6723  			ha->flags.nic_core_reset_owner = 0;
6724  			ql_dbg(ql_dbg_p3p, base_vha, 0xb070,
6725  			    "Reset_owner reset by 0x%x.\n",
6726  			    ha->portnum);
6727  			goto exit;
6728  		case QLA8XXX_DEV_COLD:
6729  			if (ha->flags.nic_core_reset_owner)
6730  				rval = qla83xx_device_bootstrap(base_vha);
6731  			else {
6732  			/* Wait for AEN to change device-state */
6733  				qla83xx_idc_unlock(base_vha, 0);
6734  				msleep(1000);
6735  				qla83xx_idc_lock(base_vha, 0);
6736  			}
6737  			break;
6738  		case QLA8XXX_DEV_INITIALIZING:
6739  			/* Wait for AEN to change device-state */
6740  			qla83xx_idc_unlock(base_vha, 0);
6741  			msleep(1000);
6742  			qla83xx_idc_lock(base_vha, 0);
6743  			break;
6744  		case QLA8XXX_DEV_NEED_RESET:
6745  			if (!ql2xdontresethba && ha->flags.nic_core_reset_owner)
6746  				qla83xx_need_reset_handler(base_vha);
6747  			else {
6748  				/* Wait for AEN to change device-state */
6749  				qla83xx_idc_unlock(base_vha, 0);
6750  				msleep(1000);
6751  				qla83xx_idc_lock(base_vha, 0);
6752  			}
6753  			/* reset timeout value after need reset handler */
6754  			dev_init_timeout = jiffies +
6755  			    (ha->fcoe_dev_init_timeout * HZ);
6756  			break;
6757  		case QLA8XXX_DEV_NEED_QUIESCENT:
6758  			/* XXX: DEBUG for now */
6759  			qla83xx_idc_unlock(base_vha, 0);
6760  			msleep(1000);
6761  			qla83xx_idc_lock(base_vha, 0);
6762  			break;
6763  		case QLA8XXX_DEV_QUIESCENT:
6764  			/* XXX: DEBUG for now */
6765  			if (ha->flags.quiesce_owner)
6766  				goto exit;
6767  
6768  			qla83xx_idc_unlock(base_vha, 0);
6769  			msleep(1000);
6770  			qla83xx_idc_lock(base_vha, 0);
6771  			dev_init_timeout = jiffies +
6772  			    (ha->fcoe_dev_init_timeout * HZ);
6773  			break;
6774  		case QLA8XXX_DEV_FAILED:
6775  			if (ha->flags.nic_core_reset_owner)
6776  				qla83xx_idc_audit(base_vha,
6777  				    IDC_AUDIT_COMPLETION);
6778  			ha->flags.nic_core_reset_owner = 0;
6779  			__qla83xx_clear_drv_presence(base_vha);
6780  			qla83xx_idc_unlock(base_vha, 0);
6781  			qla8xxx_dev_failed_handler(base_vha);
6782  			rval = QLA_FUNCTION_FAILED;
6783  			qla83xx_idc_lock(base_vha, 0);
6784  			goto exit;
6785  		case QLA8XXX_BAD_VALUE:
6786  			qla83xx_idc_unlock(base_vha, 0);
6787  			msleep(1000);
6788  			qla83xx_idc_lock(base_vha, 0);
6789  			break;
6790  		default:
6791  			ql_log(ql_log_warn, base_vha, 0xb071,
6792  			    "Unknown Device State: %x.\n", dev_state);
6793  			qla83xx_idc_unlock(base_vha, 0);
6794  			qla8xxx_dev_failed_handler(base_vha);
6795  			rval = QLA_FUNCTION_FAILED;
6796  			qla83xx_idc_lock(base_vha, 0);
6797  			goto exit;
6798  		}
6799  	}
6800  
6801  exit:
6802  	return rval;
6803  }
6804  
6805  void
qla2x00_disable_board_on_pci_error(struct work_struct * work)6806  qla2x00_disable_board_on_pci_error(struct work_struct *work)
6807  {
6808  	struct qla_hw_data *ha = container_of(work, struct qla_hw_data,
6809  	    board_disable);
6810  	struct pci_dev *pdev = ha->pdev;
6811  	scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
6812  
6813  	ql_log(ql_log_warn, base_vha, 0x015b,
6814  	    "Disabling adapter.\n");
6815  
6816  	if (!atomic_read(&pdev->enable_cnt)) {
6817  		ql_log(ql_log_info, base_vha, 0xfffc,
6818  		    "PCI device disabled, no action req for PCI error=%lx\n",
6819  		    base_vha->pci_flags);
6820  		return;
6821  	}
6822  
6823  	/*
6824  	 * if UNLOADING flag is already set, then continue unload,
6825  	 * where it was set first.
6826  	 */
6827  	if (test_and_set_bit(UNLOADING, &base_vha->dpc_flags))
6828  		return;
6829  
6830  	qla2x00_wait_for_sess_deletion(base_vha);
6831  
6832  	qla2x00_delete_all_vps(ha, base_vha);
6833  
6834  	qla2x00_abort_all_cmds(base_vha, DID_NO_CONNECT << 16);
6835  
6836  	qla2x00_dfs_remove(base_vha);
6837  
6838  	qla84xx_put_chip(base_vha);
6839  
6840  	if (base_vha->timer_active)
6841  		qla2x00_stop_timer(base_vha);
6842  
6843  	base_vha->flags.online = 0;
6844  
6845  	qla2x00_destroy_deferred_work(ha);
6846  
6847  	/*
6848  	 * Do not try to stop beacon blink as it will issue a mailbox
6849  	 * command.
6850  	 */
6851  	qla2x00_free_sysfs_attr(base_vha, false);
6852  
6853  	fc_remove_host(base_vha->host);
6854  
6855  	scsi_remove_host(base_vha->host);
6856  
6857  	base_vha->flags.init_done = 0;
6858  	qla25xx_delete_queues(base_vha);
6859  	qla2x00_free_fcports(base_vha);
6860  	qla2x00_free_irqs(base_vha);
6861  	qla2x00_mem_free(ha);
6862  	qla82xx_md_free(base_vha);
6863  	qla2x00_free_queues(ha);
6864  
6865  	qla2x00_unmap_iobases(ha);
6866  
6867  	pci_release_selected_regions(ha->pdev, ha->bars);
6868  	pci_disable_device(pdev);
6869  
6870  	/*
6871  	 * Let qla2x00_remove_one cleanup qla_hw_data on device removal.
6872  	 */
6873  }
6874  
6875  /**************************************************************************
6876  * qla2x00_do_dpc
6877  *   This kernel thread is a task that is schedule by the interrupt handler
6878  *   to perform the background processing for interrupts.
6879  *
6880  * Notes:
6881  * This task always run in the context of a kernel thread.  It
6882  * is kick-off by the driver's detect code and starts up
6883  * up one per adapter. It immediately goes to sleep and waits for
6884  * some fibre event.  When either the interrupt handler or
6885  * the timer routine detects a event it will one of the task
6886  * bits then wake us up.
6887  **************************************************************************/
6888  static int
qla2x00_do_dpc(void * data)6889  qla2x00_do_dpc(void *data)
6890  {
6891  	scsi_qla_host_t *base_vha;
6892  	struct qla_hw_data *ha;
6893  	uint32_t online;
6894  	struct qla_qpair *qpair;
6895  
6896  	ha = (struct qla_hw_data *)data;
6897  	base_vha = pci_get_drvdata(ha->pdev);
6898  
6899  	set_user_nice(current, MIN_NICE);
6900  
6901  	set_current_state(TASK_INTERRUPTIBLE);
6902  	while (1) {
6903  		ql_dbg(ql_dbg_dpc, base_vha, 0x4000,
6904  		    "DPC handler sleeping.\n");
6905  
6906  		schedule();
6907  
6908  		if (kthread_should_stop())
6909  			break;
6910  
6911  		if (test_and_clear_bit(DO_EEH_RECOVERY, &base_vha->dpc_flags))
6912  			qla_pci_set_eeh_busy(base_vha);
6913  
6914  		if (!base_vha->flags.init_done || ha->flags.mbox_busy)
6915  			goto end_loop;
6916  
6917  		if (ha->flags.eeh_busy) {
6918  			ql_dbg(ql_dbg_dpc, base_vha, 0x4003,
6919  			    "eeh_busy=%d.\n", ha->flags.eeh_busy);
6920  			goto end_loop;
6921  		}
6922  
6923  		if (test_bit(UNLOADING, &base_vha->dpc_flags))
6924  			/* don't do any work. Wait to be terminated by kthread_stop */
6925  			goto end_loop;
6926  
6927  		ha->dpc_active = 1;
6928  
6929  		ql_dbg(ql_dbg_dpc + ql_dbg_verbose, base_vha, 0x4001,
6930  		    "DPC handler waking up, dpc_flags=0x%lx.\n",
6931  		    base_vha->dpc_flags);
6932  
6933  		if (IS_P3P_TYPE(ha)) {
6934  			if (IS_QLA8044(ha)) {
6935  				if (test_and_clear_bit(ISP_UNRECOVERABLE,
6936  					&base_vha->dpc_flags)) {
6937  					qla8044_idc_lock(ha);
6938  					qla8044_wr_direct(base_vha,
6939  						QLA8044_CRB_DEV_STATE_INDEX,
6940  						QLA8XXX_DEV_FAILED);
6941  					qla8044_idc_unlock(ha);
6942  					ql_log(ql_log_info, base_vha, 0x4004,
6943  						"HW State: FAILED.\n");
6944  					qla8044_device_state_handler(base_vha);
6945  					continue;
6946  				}
6947  
6948  			} else {
6949  				if (test_and_clear_bit(ISP_UNRECOVERABLE,
6950  					&base_vha->dpc_flags)) {
6951  					qla82xx_idc_lock(ha);
6952  					qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE,
6953  						QLA8XXX_DEV_FAILED);
6954  					qla82xx_idc_unlock(ha);
6955  					ql_log(ql_log_info, base_vha, 0x0151,
6956  						"HW State: FAILED.\n");
6957  					qla82xx_device_state_handler(base_vha);
6958  					continue;
6959  				}
6960  			}
6961  
6962  			if (test_and_clear_bit(FCOE_CTX_RESET_NEEDED,
6963  				&base_vha->dpc_flags)) {
6964  
6965  				ql_dbg(ql_dbg_dpc, base_vha, 0x4005,
6966  				    "FCoE context reset scheduled.\n");
6967  				if (!(test_and_set_bit(ABORT_ISP_ACTIVE,
6968  					&base_vha->dpc_flags))) {
6969  					if (qla82xx_fcoe_ctx_reset(base_vha)) {
6970  						/* FCoE-ctx reset failed.
6971  						 * Escalate to chip-reset
6972  						 */
6973  						set_bit(ISP_ABORT_NEEDED,
6974  							&base_vha->dpc_flags);
6975  					}
6976  					clear_bit(ABORT_ISP_ACTIVE,
6977  						&base_vha->dpc_flags);
6978  				}
6979  
6980  				ql_dbg(ql_dbg_dpc, base_vha, 0x4006,
6981  				    "FCoE context reset end.\n");
6982  			}
6983  		} else if (IS_QLAFX00(ha)) {
6984  			if (test_and_clear_bit(ISP_UNRECOVERABLE,
6985  				&base_vha->dpc_flags)) {
6986  				ql_dbg(ql_dbg_dpc, base_vha, 0x4020,
6987  				    "Firmware Reset Recovery\n");
6988  				if (qlafx00_reset_initialize(base_vha)) {
6989  					/* Failed. Abort isp later. */
6990  					if (!test_bit(UNLOADING,
6991  					    &base_vha->dpc_flags)) {
6992  						set_bit(ISP_UNRECOVERABLE,
6993  						    &base_vha->dpc_flags);
6994  						ql_dbg(ql_dbg_dpc, base_vha,
6995  						    0x4021,
6996  						    "Reset Recovery Failed\n");
6997  					}
6998  				}
6999  			}
7000  
7001  			if (test_and_clear_bit(FX00_TARGET_SCAN,
7002  				&base_vha->dpc_flags)) {
7003  				ql_dbg(ql_dbg_dpc, base_vha, 0x4022,
7004  				    "ISPFx00 Target Scan scheduled\n");
7005  				if (qlafx00_rescan_isp(base_vha)) {
7006  					if (!test_bit(UNLOADING,
7007  					    &base_vha->dpc_flags))
7008  						set_bit(ISP_UNRECOVERABLE,
7009  						    &base_vha->dpc_flags);
7010  					ql_dbg(ql_dbg_dpc, base_vha, 0x401e,
7011  					    "ISPFx00 Target Scan Failed\n");
7012  				}
7013  				ql_dbg(ql_dbg_dpc, base_vha, 0x401f,
7014  				    "ISPFx00 Target Scan End\n");
7015  			}
7016  			if (test_and_clear_bit(FX00_HOST_INFO_RESEND,
7017  				&base_vha->dpc_flags)) {
7018  				ql_dbg(ql_dbg_dpc, base_vha, 0x4023,
7019  				    "ISPFx00 Host Info resend scheduled\n");
7020  				qlafx00_fx_disc(base_vha,
7021  				    &base_vha->hw->mr.fcport,
7022  				    FXDISC_REG_HOST_INFO);
7023  			}
7024  		}
7025  
7026  		if (test_and_clear_bit(DETECT_SFP_CHANGE,
7027  		    &base_vha->dpc_flags)) {
7028  			/* Semantic:
7029  			 *  - NO-OP -- await next ISP-ABORT. Preferred method
7030  			 *             to minimize disruptions that will occur
7031  			 *             when a forced chip-reset occurs.
7032  			 *  - Force -- ISP-ABORT scheduled.
7033  			 */
7034  			/* set_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags); */
7035  		}
7036  
7037  		if (test_and_clear_bit
7038  		    (ISP_ABORT_NEEDED, &base_vha->dpc_flags) &&
7039  		    !test_bit(UNLOADING, &base_vha->dpc_flags)) {
7040  			bool do_reset = true;
7041  
7042  			switch (base_vha->qlini_mode) {
7043  			case QLA2XXX_INI_MODE_ENABLED:
7044  				break;
7045  			case QLA2XXX_INI_MODE_DISABLED:
7046  				if (!qla_tgt_mode_enabled(base_vha) &&
7047  				    !ha->flags.fw_started)
7048  					do_reset = false;
7049  				break;
7050  			case QLA2XXX_INI_MODE_DUAL:
7051  				if (!qla_dual_mode_enabled(base_vha) &&
7052  				    !ha->flags.fw_started)
7053  					do_reset = false;
7054  				break;
7055  			default:
7056  				break;
7057  			}
7058  
7059  			if (do_reset && !(test_and_set_bit(ABORT_ISP_ACTIVE,
7060  			    &base_vha->dpc_flags))) {
7061  				base_vha->flags.online = 1;
7062  				ql_dbg(ql_dbg_dpc, base_vha, 0x4007,
7063  				    "ISP abort scheduled.\n");
7064  				if (ha->isp_ops->abort_isp(base_vha)) {
7065  					/* failed. retry later */
7066  					set_bit(ISP_ABORT_NEEDED,
7067  					    &base_vha->dpc_flags);
7068  				}
7069  				clear_bit(ABORT_ISP_ACTIVE,
7070  						&base_vha->dpc_flags);
7071  				ql_dbg(ql_dbg_dpc, base_vha, 0x4008,
7072  				    "ISP abort end.\n");
7073  			}
7074  		}
7075  
7076  		if (test_bit(PROCESS_PUREX_IOCB, &base_vha->dpc_flags)) {
7077  			if (atomic_read(&base_vha->loop_state) == LOOP_READY) {
7078  				qla24xx_process_purex_list
7079  					(&base_vha->purex_list);
7080  				clear_bit(PROCESS_PUREX_IOCB,
7081  				    &base_vha->dpc_flags);
7082  			}
7083  		}
7084  
7085  		if (IS_QLAFX00(ha))
7086  			goto loop_resync_check;
7087  
7088  		if (test_bit(ISP_QUIESCE_NEEDED, &base_vha->dpc_flags)) {
7089  			ql_dbg(ql_dbg_dpc, base_vha, 0x4009,
7090  			    "Quiescence mode scheduled.\n");
7091  			if (IS_P3P_TYPE(ha)) {
7092  				if (IS_QLA82XX(ha))
7093  					qla82xx_device_state_handler(base_vha);
7094  				if (IS_QLA8044(ha))
7095  					qla8044_device_state_handler(base_vha);
7096  				clear_bit(ISP_QUIESCE_NEEDED,
7097  				    &base_vha->dpc_flags);
7098  				if (!ha->flags.quiesce_owner) {
7099  					qla2x00_perform_loop_resync(base_vha);
7100  					if (IS_QLA82XX(ha)) {
7101  						qla82xx_idc_lock(ha);
7102  						qla82xx_clear_qsnt_ready(
7103  						    base_vha);
7104  						qla82xx_idc_unlock(ha);
7105  					} else if (IS_QLA8044(ha)) {
7106  						qla8044_idc_lock(ha);
7107  						qla8044_clear_qsnt_ready(
7108  						    base_vha);
7109  						qla8044_idc_unlock(ha);
7110  					}
7111  				}
7112  			} else {
7113  				clear_bit(ISP_QUIESCE_NEEDED,
7114  				    &base_vha->dpc_flags);
7115  				qla2x00_quiesce_io(base_vha);
7116  			}
7117  			ql_dbg(ql_dbg_dpc, base_vha, 0x400a,
7118  			    "Quiescence mode end.\n");
7119  		}
7120  
7121  		if (test_and_clear_bit(RESET_MARKER_NEEDED,
7122  				&base_vha->dpc_flags) &&
7123  		    (!(test_and_set_bit(RESET_ACTIVE, &base_vha->dpc_flags)))) {
7124  
7125  			ql_dbg(ql_dbg_dpc, base_vha, 0x400b,
7126  			    "Reset marker scheduled.\n");
7127  			qla2x00_rst_aen(base_vha);
7128  			clear_bit(RESET_ACTIVE, &base_vha->dpc_flags);
7129  			ql_dbg(ql_dbg_dpc, base_vha, 0x400c,
7130  			    "Reset marker end.\n");
7131  		}
7132  
7133  		/* Retry each device up to login retry count */
7134  		if (test_bit(RELOGIN_NEEDED, &base_vha->dpc_flags) &&
7135  		    !test_bit(LOOP_RESYNC_NEEDED, &base_vha->dpc_flags) &&
7136  		    atomic_read(&base_vha->loop_state) != LOOP_DOWN) {
7137  
7138  			if (!base_vha->relogin_jif ||
7139  			    time_after_eq(jiffies, base_vha->relogin_jif)) {
7140  				base_vha->relogin_jif = jiffies + HZ;
7141  				clear_bit(RELOGIN_NEEDED, &base_vha->dpc_flags);
7142  
7143  				ql_dbg(ql_dbg_disc, base_vha, 0x400d,
7144  				    "Relogin scheduled.\n");
7145  				qla24xx_post_relogin_work(base_vha);
7146  			}
7147  		}
7148  loop_resync_check:
7149  		if (!qla2x00_reset_active(base_vha) &&
7150  		    test_and_clear_bit(LOOP_RESYNC_NEEDED,
7151  		    &base_vha->dpc_flags)) {
7152  			/*
7153  			 * Allow abort_isp to complete before moving on to scanning.
7154  			 */
7155  			ql_dbg(ql_dbg_dpc, base_vha, 0x400f,
7156  			    "Loop resync scheduled.\n");
7157  
7158  			if (!(test_and_set_bit(LOOP_RESYNC_ACTIVE,
7159  			    &base_vha->dpc_flags))) {
7160  
7161  				qla2x00_loop_resync(base_vha);
7162  
7163  				clear_bit(LOOP_RESYNC_ACTIVE,
7164  						&base_vha->dpc_flags);
7165  			}
7166  
7167  			ql_dbg(ql_dbg_dpc, base_vha, 0x4010,
7168  			    "Loop resync end.\n");
7169  		}
7170  
7171  		if (IS_QLAFX00(ha))
7172  			goto intr_on_check;
7173  
7174  		if (test_bit(NPIV_CONFIG_NEEDED, &base_vha->dpc_flags) &&
7175  		    atomic_read(&base_vha->loop_state) == LOOP_READY) {
7176  			clear_bit(NPIV_CONFIG_NEEDED, &base_vha->dpc_flags);
7177  			qla2xxx_flash_npiv_conf(base_vha);
7178  		}
7179  
7180  intr_on_check:
7181  		if (!ha->interrupts_on)
7182  			ha->isp_ops->enable_intrs(ha);
7183  
7184  		if (test_and_clear_bit(BEACON_BLINK_NEEDED,
7185  					&base_vha->dpc_flags)) {
7186  			if (ha->beacon_blink_led == 1)
7187  				ha->isp_ops->beacon_blink(base_vha);
7188  		}
7189  
7190  		/* qpair online check */
7191  		if (test_and_clear_bit(QPAIR_ONLINE_CHECK_NEEDED,
7192  		    &base_vha->dpc_flags)) {
7193  			if (ha->flags.eeh_busy ||
7194  			    ha->flags.pci_channel_io_perm_failure)
7195  				online = 0;
7196  			else
7197  				online = 1;
7198  
7199  			mutex_lock(&ha->mq_lock);
7200  			list_for_each_entry(qpair, &base_vha->qp_list,
7201  			    qp_list_elem)
7202  			qpair->online = online;
7203  			mutex_unlock(&ha->mq_lock);
7204  		}
7205  
7206  		if (test_and_clear_bit(SET_ZIO_THRESHOLD_NEEDED,
7207  				       &base_vha->dpc_flags)) {
7208  			u16 threshold = ha->nvme_last_rptd_aen + ha->last_zio_threshold;
7209  
7210  			if (threshold > ha->orig_fw_xcb_count)
7211  				threshold = ha->orig_fw_xcb_count;
7212  
7213  			ql_log(ql_log_info, base_vha, 0xffffff,
7214  			       "SET ZIO Activity exchange threshold to %d.\n",
7215  			       threshold);
7216  			if (qla27xx_set_zio_threshold(base_vha, threshold)) {
7217  				ql_log(ql_log_info, base_vha, 0xffffff,
7218  				       "Unable to SET ZIO Activity exchange threshold to %d.\n",
7219  				       threshold);
7220  			}
7221  		}
7222  
7223  		if (!IS_QLAFX00(ha))
7224  			qla2x00_do_dpc_all_vps(base_vha);
7225  
7226  		if (test_and_clear_bit(N2N_LINK_RESET,
7227  			&base_vha->dpc_flags)) {
7228  			qla2x00_lip_reset(base_vha);
7229  		}
7230  
7231  		ha->dpc_active = 0;
7232  end_loop:
7233  		set_current_state(TASK_INTERRUPTIBLE);
7234  	} /* End of while(1) */
7235  	__set_current_state(TASK_RUNNING);
7236  
7237  	ql_dbg(ql_dbg_dpc, base_vha, 0x4011,
7238  	    "DPC handler exiting.\n");
7239  
7240  	/*
7241  	 * Make sure that nobody tries to wake us up again.
7242  	 */
7243  	ha->dpc_active = 0;
7244  
7245  	return 0;
7246  }
7247  
7248  void
qla2xxx_wake_dpc(struct scsi_qla_host * vha)7249  qla2xxx_wake_dpc(struct scsi_qla_host *vha)
7250  {
7251  	struct qla_hw_data *ha = vha->hw;
7252  	struct task_struct *t = ha->dpc_thread;
7253  
7254  	if (!test_bit(UNLOADING, &vha->dpc_flags) && t)
7255  		wake_up_process(t);
7256  }
7257  
7258  /*
7259  *  qla2x00_rst_aen
7260  *      Processes asynchronous reset.
7261  *
7262  * Input:
7263  *      ha  = adapter block pointer.
7264  */
7265  static void
qla2x00_rst_aen(scsi_qla_host_t * vha)7266  qla2x00_rst_aen(scsi_qla_host_t *vha)
7267  {
7268  	if (vha->flags.online && !vha->flags.reset_active &&
7269  	    !atomic_read(&vha->loop_down_timer) &&
7270  	    !(test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags))) {
7271  		do {
7272  			clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
7273  
7274  			/*
7275  			 * Issue marker command only when we are going to start
7276  			 * the I/O.
7277  			 */
7278  			vha->marker_needed = 1;
7279  		} while (!atomic_read(&vha->loop_down_timer) &&
7280  		    (test_bit(RESET_MARKER_NEEDED, &vha->dpc_flags)));
7281  	}
7282  }
7283  
qla_do_heartbeat(struct scsi_qla_host * vha)7284  static bool qla_do_heartbeat(struct scsi_qla_host *vha)
7285  {
7286  	struct qla_hw_data *ha = vha->hw;
7287  	u32 cmpl_cnt;
7288  	u16 i;
7289  	bool do_heartbeat = false;
7290  
7291  	/*
7292  	 * Allow do_heartbeat only if we don’t have any active interrupts,
7293  	 * but there are still IOs outstanding with firmware.
7294  	 */
7295  	cmpl_cnt = ha->base_qpair->cmd_completion_cnt;
7296  	if (cmpl_cnt == ha->base_qpair->prev_completion_cnt &&
7297  	    cmpl_cnt != ha->base_qpair->cmd_cnt) {
7298  		do_heartbeat = true;
7299  		goto skip;
7300  	}
7301  	ha->base_qpair->prev_completion_cnt = cmpl_cnt;
7302  
7303  	for (i = 0; i < ha->max_qpairs; i++) {
7304  		if (ha->queue_pair_map[i]) {
7305  			cmpl_cnt = ha->queue_pair_map[i]->cmd_completion_cnt;
7306  			if (cmpl_cnt == ha->queue_pair_map[i]->prev_completion_cnt &&
7307  			    cmpl_cnt != ha->queue_pair_map[i]->cmd_cnt) {
7308  				do_heartbeat = true;
7309  				break;
7310  			}
7311  			ha->queue_pair_map[i]->prev_completion_cnt = cmpl_cnt;
7312  		}
7313  	}
7314  
7315  skip:
7316  	return do_heartbeat;
7317  }
7318  
qla_heart_beat(struct scsi_qla_host * vha,u16 dpc_started)7319  static void qla_heart_beat(struct scsi_qla_host *vha, u16 dpc_started)
7320  {
7321  	struct qla_hw_data *ha = vha->hw;
7322  
7323  	if (vha->vp_idx)
7324  		return;
7325  
7326  	if (vha->hw->flags.eeh_busy || qla2x00_chip_is_down(vha))
7327  		return;
7328  
7329  	/*
7330  	 * dpc thread cannot run if heartbeat is running at the same time.
7331  	 * We also do not want to starve heartbeat task. Therefore, do
7332  	 * heartbeat task at least once every 5 seconds.
7333  	 */
7334  	if (dpc_started &&
7335  	    time_before(jiffies, ha->last_heartbeat_run_jiffies + 5 * HZ))
7336  		return;
7337  
7338  	if (qla_do_heartbeat(vha)) {
7339  		ha->last_heartbeat_run_jiffies = jiffies;
7340  		queue_work(ha->wq, &ha->heartbeat_work);
7341  	}
7342  }
7343  
qla_wind_down_chip(scsi_qla_host_t * vha)7344  static void qla_wind_down_chip(scsi_qla_host_t *vha)
7345  {
7346  	struct qla_hw_data *ha = vha->hw;
7347  
7348  	if (!ha->flags.eeh_busy)
7349  		return;
7350  	if (ha->pci_error_state)
7351  		/* system is trying to recover */
7352  		return;
7353  
7354  	/*
7355  	 * Current system is not handling PCIE error.  At this point, this is
7356  	 * best effort to wind down the adapter.
7357  	 */
7358  	if (time_after_eq(jiffies, ha->eeh_jif + ql2xdelay_before_pci_error_handling * HZ) &&
7359  	    !ha->flags.eeh_flush) {
7360  		ql_log(ql_log_info, vha, 0x9009,
7361  		    "PCI Error detected, attempting to reset hardware.\n");
7362  
7363  		ha->isp_ops->reset_chip(vha);
7364  		ha->isp_ops->disable_intrs(ha);
7365  
7366  		ha->flags.eeh_flush = EEH_FLUSH_RDY;
7367  		ha->eeh_jif = jiffies;
7368  
7369  	} else if (ha->flags.eeh_flush == EEH_FLUSH_RDY &&
7370  	    time_after_eq(jiffies, ha->eeh_jif +  5 * HZ)) {
7371  		pci_clear_master(ha->pdev);
7372  
7373  		/* flush all command */
7374  		qla2x00_abort_isp_cleanup(vha);
7375  		ha->flags.eeh_flush = EEH_FLUSH_DONE;
7376  
7377  		ql_log(ql_log_info, vha, 0x900a,
7378  		    "PCI Error handling complete, all IOs aborted.\n");
7379  	}
7380  }
7381  
7382  /**************************************************************************
7383  *   qla2x00_timer
7384  *
7385  * Description:
7386  *   One second timer
7387  *
7388  * Context: Interrupt
7389  ***************************************************************************/
7390  void
qla2x00_timer(struct timer_list * t)7391  qla2x00_timer(struct timer_list *t)
7392  {
7393  	scsi_qla_host_t *vha = from_timer(vha, t, timer);
7394  	unsigned long	cpu_flags = 0;
7395  	int		start_dpc = 0;
7396  	int		index;
7397  	srb_t		*sp;
7398  	uint16_t        w;
7399  	struct qla_hw_data *ha = vha->hw;
7400  	struct req_que *req;
7401  	unsigned long flags;
7402  	fc_port_t *fcport = NULL;
7403  
7404  	if (ha->flags.eeh_busy) {
7405  		qla_wind_down_chip(vha);
7406  
7407  		ql_dbg(ql_dbg_timer, vha, 0x6000,
7408  		    "EEH = %d, restarting timer.\n",
7409  		    ha->flags.eeh_busy);
7410  		qla2x00_restart_timer(vha, WATCH_INTERVAL);
7411  		return;
7412  	}
7413  
7414  	/*
7415  	 * Hardware read to raise pending EEH errors during mailbox waits. If
7416  	 * the read returns -1 then disable the board.
7417  	 */
7418  	if (!pci_channel_offline(ha->pdev)) {
7419  		pci_read_config_word(ha->pdev, PCI_VENDOR_ID, &w);
7420  		qla2x00_check_reg16_for_disconnect(vha, w);
7421  	}
7422  
7423  	/* Make sure qla82xx_watchdog is run only for physical port */
7424  	if (!vha->vp_idx && IS_P3P_TYPE(ha)) {
7425  		if (test_bit(ISP_QUIESCE_NEEDED, &vha->dpc_flags))
7426  			start_dpc++;
7427  		if (IS_QLA82XX(ha))
7428  			qla82xx_watchdog(vha);
7429  		else if (IS_QLA8044(ha))
7430  			qla8044_watchdog(vha);
7431  	}
7432  
7433  	if (!vha->vp_idx && IS_QLAFX00(ha))
7434  		qlafx00_timer_routine(vha);
7435  
7436  	if (vha->link_down_time < QLA2XX_MAX_LINK_DOWN_TIME)
7437  		vha->link_down_time++;
7438  
7439  	spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
7440  	list_for_each_entry(fcport, &vha->vp_fcports, list) {
7441  		if (fcport->tgt_link_down_time < QLA2XX_MAX_LINK_DOWN_TIME)
7442  			fcport->tgt_link_down_time++;
7443  	}
7444  	spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
7445  
7446  	/* Loop down handler. */
7447  	if (atomic_read(&vha->loop_down_timer) > 0 &&
7448  	    !(test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags)) &&
7449  	    !(test_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags))
7450  		&& vha->flags.online) {
7451  
7452  		if (atomic_read(&vha->loop_down_timer) ==
7453  		    vha->loop_down_abort_time) {
7454  
7455  			ql_log(ql_log_info, vha, 0x6008,
7456  			    "Loop down - aborting the queues before time expires.\n");
7457  
7458  			if (!IS_QLA2100(ha) && vha->link_down_timeout)
7459  				atomic_set(&vha->loop_state, LOOP_DEAD);
7460  
7461  			/*
7462  			 * Schedule an ISP abort to return any FCP2-device
7463  			 * commands.
7464  			 */
7465  			/* NPIV - scan physical port only */
7466  			if (!vha->vp_idx) {
7467  				spin_lock_irqsave(&ha->hardware_lock,
7468  				    cpu_flags);
7469  				req = ha->req_q_map[0];
7470  				for (index = 1;
7471  				    index < req->num_outstanding_cmds;
7472  				    index++) {
7473  					fc_port_t *sfcp;
7474  
7475  					sp = req->outstanding_cmds[index];
7476  					if (!sp)
7477  						continue;
7478  					if (sp->cmd_type != TYPE_SRB)
7479  						continue;
7480  					if (sp->type != SRB_SCSI_CMD)
7481  						continue;
7482  					sfcp = sp->fcport;
7483  					if (!(sfcp->flags & FCF_FCP2_DEVICE))
7484  						continue;
7485  
7486  					if (IS_QLA82XX(ha))
7487  						set_bit(FCOE_CTX_RESET_NEEDED,
7488  							&vha->dpc_flags);
7489  					else
7490  						set_bit(ISP_ABORT_NEEDED,
7491  							&vha->dpc_flags);
7492  					break;
7493  				}
7494  				spin_unlock_irqrestore(&ha->hardware_lock,
7495  								cpu_flags);
7496  			}
7497  			start_dpc++;
7498  		}
7499  
7500  		/* if the loop has been down for 4 minutes, reinit adapter */
7501  		if (atomic_dec_and_test(&vha->loop_down_timer) != 0) {
7502  			if (!(vha->device_flags & DFLG_NO_CABLE) && !vha->vp_idx) {
7503  				ql_log(ql_log_warn, vha, 0x6009,
7504  				    "Loop down - aborting ISP.\n");
7505  
7506  				if (IS_QLA82XX(ha))
7507  					set_bit(FCOE_CTX_RESET_NEEDED,
7508  						&vha->dpc_flags);
7509  				else
7510  					set_bit(ISP_ABORT_NEEDED,
7511  						&vha->dpc_flags);
7512  			}
7513  		}
7514  		ql_dbg(ql_dbg_timer, vha, 0x600a,
7515  		    "Loop down - seconds remaining %d.\n",
7516  		    atomic_read(&vha->loop_down_timer));
7517  	}
7518  	/* Check if beacon LED needs to be blinked for physical host only */
7519  	if (!vha->vp_idx && (ha->beacon_blink_led == 1)) {
7520  		/* There is no beacon_blink function for ISP82xx */
7521  		if (!IS_P3P_TYPE(ha)) {
7522  			set_bit(BEACON_BLINK_NEEDED, &vha->dpc_flags);
7523  			start_dpc++;
7524  		}
7525  	}
7526  
7527  	/* check if edif running */
7528  	if (vha->hw->flags.edif_enabled)
7529  		qla_edif_timer(vha);
7530  
7531  	/* Process any deferred work. */
7532  	if (!list_empty(&vha->work_list)) {
7533  		unsigned long flags;
7534  		bool q = false;
7535  
7536  		spin_lock_irqsave(&vha->work_lock, flags);
7537  		if (!test_and_set_bit(IOCB_WORK_ACTIVE, &vha->dpc_flags))
7538  			q = true;
7539  		spin_unlock_irqrestore(&vha->work_lock, flags);
7540  		if (q)
7541  			queue_work(vha->hw->wq, &vha->iocb_work);
7542  	}
7543  
7544  	/*
7545  	 * FC-NVME
7546  	 * see if the active AEN count has changed from what was last reported.
7547  	 */
7548  	index = atomic_read(&ha->nvme_active_aen_cnt);
7549  	if (!vha->vp_idx &&
7550  	    (index != ha->nvme_last_rptd_aen) &&
7551  	    ha->zio_mode == QLA_ZIO_MODE_6 &&
7552  	    !ha->flags.host_shutting_down) {
7553  		ha->nvme_last_rptd_aen = atomic_read(&ha->nvme_active_aen_cnt);
7554  		ql_log(ql_log_info, vha, 0x3002,
7555  		    "nvme: Sched: Set ZIO exchange threshold to %d.\n",
7556  		    ha->nvme_last_rptd_aen);
7557  		set_bit(SET_ZIO_THRESHOLD_NEEDED, &vha->dpc_flags);
7558  		start_dpc++;
7559  	}
7560  
7561  	if (!vha->vp_idx &&
7562  	    atomic_read(&ha->zio_threshold) != ha->last_zio_threshold &&
7563  	    IS_ZIO_THRESHOLD_CAPABLE(ha)) {
7564  		ql_log(ql_log_info, vha, 0x3002,
7565  		    "Sched: Set ZIO exchange threshold to %d.\n",
7566  		    ha->last_zio_threshold);
7567  		ha->last_zio_threshold = atomic_read(&ha->zio_threshold);
7568  		set_bit(SET_ZIO_THRESHOLD_NEEDED, &vha->dpc_flags);
7569  		start_dpc++;
7570  	}
7571  	qla_adjust_buf(vha);
7572  
7573  	/* borrowing w to signify dpc will run */
7574  	w = 0;
7575  	/* Schedule the DPC routine if needed */
7576  	if ((test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags) ||
7577  	    test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags) ||
7578  	    start_dpc ||
7579  	    test_bit(RESET_MARKER_NEEDED, &vha->dpc_flags) ||
7580  	    test_bit(BEACON_BLINK_NEEDED, &vha->dpc_flags) ||
7581  	    test_bit(ISP_UNRECOVERABLE, &vha->dpc_flags) ||
7582  	    test_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags) ||
7583  	    test_bit(VP_DPC_NEEDED, &vha->dpc_flags) ||
7584  	    test_bit(RELOGIN_NEEDED, &vha->dpc_flags) ||
7585  	    test_bit(PROCESS_PUREX_IOCB, &vha->dpc_flags))) {
7586  		ql_dbg(ql_dbg_timer, vha, 0x600b,
7587  		    "isp_abort_needed=%d loop_resync_needed=%d "
7588  		    "start_dpc=%d reset_marker_needed=%d",
7589  		    test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags),
7590  		    test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags),
7591  		    start_dpc, test_bit(RESET_MARKER_NEEDED, &vha->dpc_flags));
7592  		ql_dbg(ql_dbg_timer, vha, 0x600c,
7593  		    "beacon_blink_needed=%d isp_unrecoverable=%d "
7594  		    "fcoe_ctx_reset_needed=%d vp_dpc_needed=%d "
7595  		    "relogin_needed=%d, Process_purex_iocb=%d.\n",
7596  		    test_bit(BEACON_BLINK_NEEDED, &vha->dpc_flags),
7597  		    test_bit(ISP_UNRECOVERABLE, &vha->dpc_flags),
7598  		    test_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags),
7599  		    test_bit(VP_DPC_NEEDED, &vha->dpc_flags),
7600  		    test_bit(RELOGIN_NEEDED, &vha->dpc_flags),
7601  		    test_bit(PROCESS_PUREX_IOCB, &vha->dpc_flags));
7602  		qla2xxx_wake_dpc(vha);
7603  		w = 1;
7604  	}
7605  
7606  	qla_heart_beat(vha, w);
7607  
7608  	qla2x00_restart_timer(vha, WATCH_INTERVAL);
7609  }
7610  
7611  /* Firmware interface routines. */
7612  
7613  #define FW_ISP21XX	0
7614  #define FW_ISP22XX	1
7615  #define FW_ISP2300	2
7616  #define FW_ISP2322	3
7617  #define FW_ISP24XX	4
7618  #define FW_ISP25XX	5
7619  #define FW_ISP81XX	6
7620  #define FW_ISP82XX	7
7621  #define FW_ISP2031	8
7622  #define FW_ISP8031	9
7623  #define FW_ISP27XX	10
7624  #define FW_ISP28XX	11
7625  
7626  #define FW_FILE_ISP21XX	"ql2100_fw.bin"
7627  #define FW_FILE_ISP22XX	"ql2200_fw.bin"
7628  #define FW_FILE_ISP2300	"ql2300_fw.bin"
7629  #define FW_FILE_ISP2322	"ql2322_fw.bin"
7630  #define FW_FILE_ISP24XX	"ql2400_fw.bin"
7631  #define FW_FILE_ISP25XX	"ql2500_fw.bin"
7632  #define FW_FILE_ISP81XX	"ql8100_fw.bin"
7633  #define FW_FILE_ISP82XX	"ql8200_fw.bin"
7634  #define FW_FILE_ISP2031	"ql2600_fw.bin"
7635  #define FW_FILE_ISP8031	"ql8300_fw.bin"
7636  #define FW_FILE_ISP27XX	"ql2700_fw.bin"
7637  #define FW_FILE_ISP28XX	"ql2800_fw.bin"
7638  
7639  
7640  static DEFINE_MUTEX(qla_fw_lock);
7641  
7642  static struct fw_blob qla_fw_blobs[] = {
7643  	{ .name = FW_FILE_ISP21XX, .segs = { 0x1000, 0 }, },
7644  	{ .name = FW_FILE_ISP22XX, .segs = { 0x1000, 0 }, },
7645  	{ .name = FW_FILE_ISP2300, .segs = { 0x800, 0 }, },
7646  	{ .name = FW_FILE_ISP2322, .segs = { 0x800, 0x1c000, 0x1e000, 0 }, },
7647  	{ .name = FW_FILE_ISP24XX, },
7648  	{ .name = FW_FILE_ISP25XX, },
7649  	{ .name = FW_FILE_ISP81XX, },
7650  	{ .name = FW_FILE_ISP82XX, },
7651  	{ .name = FW_FILE_ISP2031, },
7652  	{ .name = FW_FILE_ISP8031, },
7653  	{ .name = FW_FILE_ISP27XX, },
7654  	{ .name = FW_FILE_ISP28XX, },
7655  	{ .name = NULL, },
7656  };
7657  
7658  struct fw_blob *
qla2x00_request_firmware(scsi_qla_host_t * vha)7659  qla2x00_request_firmware(scsi_qla_host_t *vha)
7660  {
7661  	struct qla_hw_data *ha = vha->hw;
7662  	struct fw_blob *blob;
7663  
7664  	if (IS_QLA2100(ha)) {
7665  		blob = &qla_fw_blobs[FW_ISP21XX];
7666  	} else if (IS_QLA2200(ha)) {
7667  		blob = &qla_fw_blobs[FW_ISP22XX];
7668  	} else if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
7669  		blob = &qla_fw_blobs[FW_ISP2300];
7670  	} else if (IS_QLA2322(ha) || IS_QLA6322(ha)) {
7671  		blob = &qla_fw_blobs[FW_ISP2322];
7672  	} else if (IS_QLA24XX_TYPE(ha)) {
7673  		blob = &qla_fw_blobs[FW_ISP24XX];
7674  	} else if (IS_QLA25XX(ha)) {
7675  		blob = &qla_fw_blobs[FW_ISP25XX];
7676  	} else if (IS_QLA81XX(ha)) {
7677  		blob = &qla_fw_blobs[FW_ISP81XX];
7678  	} else if (IS_QLA82XX(ha)) {
7679  		blob = &qla_fw_blobs[FW_ISP82XX];
7680  	} else if (IS_QLA2031(ha)) {
7681  		blob = &qla_fw_blobs[FW_ISP2031];
7682  	} else if (IS_QLA8031(ha)) {
7683  		blob = &qla_fw_blobs[FW_ISP8031];
7684  	} else if (IS_QLA27XX(ha)) {
7685  		blob = &qla_fw_blobs[FW_ISP27XX];
7686  	} else if (IS_QLA28XX(ha)) {
7687  		blob = &qla_fw_blobs[FW_ISP28XX];
7688  	} else {
7689  		return NULL;
7690  	}
7691  
7692  	if (!blob->name)
7693  		return NULL;
7694  
7695  	mutex_lock(&qla_fw_lock);
7696  	if (blob->fw)
7697  		goto out;
7698  
7699  	if (request_firmware(&blob->fw, blob->name, &ha->pdev->dev)) {
7700  		ql_log(ql_log_warn, vha, 0x0063,
7701  		    "Failed to load firmware image (%s).\n", blob->name);
7702  		blob->fw = NULL;
7703  		blob = NULL;
7704  	}
7705  
7706  out:
7707  	mutex_unlock(&qla_fw_lock);
7708  	return blob;
7709  }
7710  
7711  static void
qla2x00_release_firmware(void)7712  qla2x00_release_firmware(void)
7713  {
7714  	struct fw_blob *blob;
7715  
7716  	mutex_lock(&qla_fw_lock);
7717  	for (blob = qla_fw_blobs; blob->name; blob++)
7718  		release_firmware(blob->fw);
7719  	mutex_unlock(&qla_fw_lock);
7720  }
7721  
qla_pci_error_cleanup(scsi_qla_host_t * vha)7722  static void qla_pci_error_cleanup(scsi_qla_host_t *vha)
7723  {
7724  	struct qla_hw_data *ha = vha->hw;
7725  	scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
7726  	struct qla_qpair *qpair = NULL;
7727  	struct scsi_qla_host *vp, *tvp;
7728  	fc_port_t *fcport;
7729  	int i;
7730  	unsigned long flags;
7731  
7732  	ql_dbg(ql_dbg_aer, vha, 0x9000,
7733  	       "%s\n", __func__);
7734  	ha->chip_reset++;
7735  
7736  	ha->base_qpair->chip_reset = ha->chip_reset;
7737  	for (i = 0; i < ha->max_qpairs; i++) {
7738  		if (ha->queue_pair_map[i])
7739  			ha->queue_pair_map[i]->chip_reset =
7740  			    ha->base_qpair->chip_reset;
7741  	}
7742  
7743  	/*
7744  	 * purge mailbox might take a while. Slot Reset/chip reset
7745  	 * will take care of the purge
7746  	 */
7747  
7748  	mutex_lock(&ha->mq_lock);
7749  	ha->base_qpair->online = 0;
7750  	list_for_each_entry(qpair, &base_vha->qp_list, qp_list_elem)
7751  		qpair->online = 0;
7752  	wmb();
7753  	mutex_unlock(&ha->mq_lock);
7754  
7755  	qla2x00_mark_all_devices_lost(vha);
7756  
7757  	spin_lock_irqsave(&ha->vport_slock, flags);
7758  	list_for_each_entry_safe(vp, tvp, &ha->vp_list, list) {
7759  		atomic_inc(&vp->vref_count);
7760  		spin_unlock_irqrestore(&ha->vport_slock, flags);
7761  		qla2x00_mark_all_devices_lost(vp);
7762  		spin_lock_irqsave(&ha->vport_slock, flags);
7763  		atomic_dec(&vp->vref_count);
7764  	}
7765  	spin_unlock_irqrestore(&ha->vport_slock, flags);
7766  
7767  	/* Clear all async request states across all VPs. */
7768  	list_for_each_entry(fcport, &vha->vp_fcports, list)
7769  		fcport->flags &= ~(FCF_LOGIN_NEEDED | FCF_ASYNC_SENT);
7770  
7771  	spin_lock_irqsave(&ha->vport_slock, flags);
7772  	list_for_each_entry_safe(vp, tvp, &ha->vp_list, list) {
7773  		atomic_inc(&vp->vref_count);
7774  		spin_unlock_irqrestore(&ha->vport_slock, flags);
7775  		list_for_each_entry(fcport, &vp->vp_fcports, list)
7776  			fcport->flags &= ~(FCF_LOGIN_NEEDED | FCF_ASYNC_SENT);
7777  		spin_lock_irqsave(&ha->vport_slock, flags);
7778  		atomic_dec(&vp->vref_count);
7779  	}
7780  	spin_unlock_irqrestore(&ha->vport_slock, flags);
7781  }
7782  
7783  
7784  static pci_ers_result_t
qla2xxx_pci_error_detected(struct pci_dev * pdev,pci_channel_state_t state)7785  qla2xxx_pci_error_detected(struct pci_dev *pdev, pci_channel_state_t state)
7786  {
7787  	scsi_qla_host_t *vha = pci_get_drvdata(pdev);
7788  	struct qla_hw_data *ha = vha->hw;
7789  	pci_ers_result_t ret = PCI_ERS_RESULT_NEED_RESET;
7790  
7791  	ql_log(ql_log_warn, vha, 0x9000,
7792  	       "PCI error detected, state %x.\n", state);
7793  	ha->pci_error_state = QLA_PCI_ERR_DETECTED;
7794  
7795  	if (!atomic_read(&pdev->enable_cnt)) {
7796  		ql_log(ql_log_info, vha, 0xffff,
7797  			"PCI device is disabled,state %x\n", state);
7798  		ret = PCI_ERS_RESULT_NEED_RESET;
7799  		goto out;
7800  	}
7801  
7802  	switch (state) {
7803  	case pci_channel_io_normal:
7804  		qla_pci_set_eeh_busy(vha);
7805  		if (ql2xmqsupport || ql2xnvmeenable) {
7806  			set_bit(QPAIR_ONLINE_CHECK_NEEDED, &vha->dpc_flags);
7807  			qla2xxx_wake_dpc(vha);
7808  		}
7809  		ret = PCI_ERS_RESULT_CAN_RECOVER;
7810  		break;
7811  	case pci_channel_io_frozen:
7812  		qla_pci_set_eeh_busy(vha);
7813  		ret = PCI_ERS_RESULT_NEED_RESET;
7814  		break;
7815  	case pci_channel_io_perm_failure:
7816  		ha->flags.pci_channel_io_perm_failure = 1;
7817  		qla2x00_abort_all_cmds(vha, DID_NO_CONNECT << 16);
7818  		if (ql2xmqsupport || ql2xnvmeenable) {
7819  			set_bit(QPAIR_ONLINE_CHECK_NEEDED, &vha->dpc_flags);
7820  			qla2xxx_wake_dpc(vha);
7821  		}
7822  		ret = PCI_ERS_RESULT_DISCONNECT;
7823  	}
7824  out:
7825  	ql_dbg(ql_dbg_aer, vha, 0x600d,
7826  	       "PCI error detected returning [%x].\n", ret);
7827  	return ret;
7828  }
7829  
7830  static pci_ers_result_t
qla2xxx_pci_mmio_enabled(struct pci_dev * pdev)7831  qla2xxx_pci_mmio_enabled(struct pci_dev *pdev)
7832  {
7833  	int risc_paused = 0;
7834  	uint32_t stat;
7835  	unsigned long flags;
7836  	scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
7837  	struct qla_hw_data *ha = base_vha->hw;
7838  	struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
7839  	struct device_reg_24xx __iomem *reg24 = &ha->iobase->isp24;
7840  
7841  	ql_log(ql_log_warn, base_vha, 0x9000,
7842  	       "mmio enabled\n");
7843  
7844  	ha->pci_error_state = QLA_PCI_MMIO_ENABLED;
7845  
7846  	if (IS_QLA82XX(ha))
7847  		return PCI_ERS_RESULT_RECOVERED;
7848  
7849  	if (qla2x00_isp_reg_stat(ha)) {
7850  		ql_log(ql_log_info, base_vha, 0x803f,
7851  		    "During mmio enabled, PCI/Register disconnect still detected.\n");
7852  		goto out;
7853  	}
7854  
7855  	spin_lock_irqsave(&ha->hardware_lock, flags);
7856  	if (IS_QLA2100(ha) || IS_QLA2200(ha)){
7857  		stat = rd_reg_word(&reg->hccr);
7858  		if (stat & HCCR_RISC_PAUSE)
7859  			risc_paused = 1;
7860  	} else if (IS_QLA23XX(ha)) {
7861  		stat = rd_reg_dword(&reg->u.isp2300.host_status);
7862  		if (stat & HSR_RISC_PAUSED)
7863  			risc_paused = 1;
7864  	} else if (IS_FWI2_CAPABLE(ha)) {
7865  		stat = rd_reg_dword(&reg24->host_status);
7866  		if (stat & HSRX_RISC_PAUSED)
7867  			risc_paused = 1;
7868  	}
7869  	spin_unlock_irqrestore(&ha->hardware_lock, flags);
7870  
7871  	if (risc_paused) {
7872  		ql_log(ql_log_info, base_vha, 0x9003,
7873  		    "RISC paused -- mmio_enabled, Dumping firmware.\n");
7874  		qla2xxx_dump_fw(base_vha);
7875  	}
7876  out:
7877  	/* set PCI_ERS_RESULT_NEED_RESET to trigger call to qla2xxx_pci_slot_reset */
7878  	ql_dbg(ql_dbg_aer, base_vha, 0x600d,
7879  	       "mmio enabled returning.\n");
7880  	return PCI_ERS_RESULT_NEED_RESET;
7881  }
7882  
7883  static pci_ers_result_t
qla2xxx_pci_slot_reset(struct pci_dev * pdev)7884  qla2xxx_pci_slot_reset(struct pci_dev *pdev)
7885  {
7886  	pci_ers_result_t ret = PCI_ERS_RESULT_DISCONNECT;
7887  	scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
7888  	struct qla_hw_data *ha = base_vha->hw;
7889  	int rc;
7890  	struct qla_qpair *qpair = NULL;
7891  
7892  	ql_log(ql_log_warn, base_vha, 0x9004,
7893  	       "Slot Reset.\n");
7894  
7895  	ha->pci_error_state = QLA_PCI_SLOT_RESET;
7896  	/* Workaround: qla2xxx driver which access hardware earlier
7897  	 * needs error state to be pci_channel_io_online.
7898  	 * Otherwise mailbox command timesout.
7899  	 */
7900  	pdev->error_state = pci_channel_io_normal;
7901  
7902  	pci_restore_state(pdev);
7903  
7904  	/* pci_restore_state() clears the saved_state flag of the device
7905  	 * save restored state which resets saved_state flag
7906  	 */
7907  	pci_save_state(pdev);
7908  
7909  	if (ha->mem_only)
7910  		rc = pci_enable_device_mem(pdev);
7911  	else
7912  		rc = pci_enable_device(pdev);
7913  
7914  	if (rc) {
7915  		ql_log(ql_log_warn, base_vha, 0x9005,
7916  		    "Can't re-enable PCI device after reset.\n");
7917  		goto exit_slot_reset;
7918  	}
7919  
7920  
7921  	if (ha->isp_ops->pci_config(base_vha))
7922  		goto exit_slot_reset;
7923  
7924  	mutex_lock(&ha->mq_lock);
7925  	list_for_each_entry(qpair, &base_vha->qp_list, qp_list_elem)
7926  		qpair->online = 1;
7927  	mutex_unlock(&ha->mq_lock);
7928  
7929  	ha->flags.eeh_busy = 0;
7930  	base_vha->flags.online = 1;
7931  	set_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
7932  	ha->isp_ops->abort_isp(base_vha);
7933  	clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
7934  
7935  	if (qla2x00_isp_reg_stat(ha)) {
7936  		ha->flags.eeh_busy = 1;
7937  		qla_pci_error_cleanup(base_vha);
7938  		ql_log(ql_log_warn, base_vha, 0x9005,
7939  		       "Device unable to recover from PCI error.\n");
7940  	} else {
7941  		ret =  PCI_ERS_RESULT_RECOVERED;
7942  	}
7943  
7944  exit_slot_reset:
7945  	ql_dbg(ql_dbg_aer, base_vha, 0x900e,
7946  	    "Slot Reset returning %x.\n", ret);
7947  
7948  	return ret;
7949  }
7950  
7951  static void
qla2xxx_pci_resume(struct pci_dev * pdev)7952  qla2xxx_pci_resume(struct pci_dev *pdev)
7953  {
7954  	scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
7955  	struct qla_hw_data *ha = base_vha->hw;
7956  	int ret;
7957  
7958  	ql_log(ql_log_warn, base_vha, 0x900f,
7959  	       "Pci Resume.\n");
7960  
7961  
7962  	ret = qla2x00_wait_for_hba_online(base_vha);
7963  	if (ret != QLA_SUCCESS) {
7964  		ql_log(ql_log_fatal, base_vha, 0x9002,
7965  		    "The device failed to resume I/O from slot/link_reset.\n");
7966  	}
7967  	ha->pci_error_state = QLA_PCI_RESUME;
7968  	ql_dbg(ql_dbg_aer, base_vha, 0x600d,
7969  	       "Pci Resume returning.\n");
7970  }
7971  
qla_pci_set_eeh_busy(struct scsi_qla_host * vha)7972  void qla_pci_set_eeh_busy(struct scsi_qla_host *vha)
7973  {
7974  	struct qla_hw_data *ha = vha->hw;
7975  	struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
7976  	bool do_cleanup = false;
7977  	unsigned long flags;
7978  
7979  	if (ha->flags.eeh_busy)
7980  		return;
7981  
7982  	spin_lock_irqsave(&base_vha->work_lock, flags);
7983  	if (!ha->flags.eeh_busy) {
7984  		ha->eeh_jif = jiffies;
7985  		ha->flags.eeh_flush = 0;
7986  
7987  		ha->flags.eeh_busy = 1;
7988  		do_cleanup = true;
7989  	}
7990  	spin_unlock_irqrestore(&base_vha->work_lock, flags);
7991  
7992  	if (do_cleanup)
7993  		qla_pci_error_cleanup(base_vha);
7994  }
7995  
7996  /*
7997   * this routine will schedule a task to pause IO from interrupt context
7998   * if caller sees a PCIE error event (register read = 0xf's)
7999   */
qla_schedule_eeh_work(struct scsi_qla_host * vha)8000  void qla_schedule_eeh_work(struct scsi_qla_host *vha)
8001  {
8002  	struct qla_hw_data *ha = vha->hw;
8003  	struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
8004  
8005  	if (ha->flags.eeh_busy)
8006  		return;
8007  
8008  	set_bit(DO_EEH_RECOVERY, &base_vha->dpc_flags);
8009  	qla2xxx_wake_dpc(base_vha);
8010  }
8011  
8012  static void
qla_pci_reset_prepare(struct pci_dev * pdev)8013  qla_pci_reset_prepare(struct pci_dev *pdev)
8014  {
8015  	scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
8016  	struct qla_hw_data *ha = base_vha->hw;
8017  	struct qla_qpair *qpair;
8018  
8019  	ql_log(ql_log_warn, base_vha, 0xffff,
8020  	    "%s.\n", __func__);
8021  
8022  	/*
8023  	 * PCI FLR/function reset is about to reset the
8024  	 * slot. Stop the chip to stop all DMA access.
8025  	 * It is assumed that pci_reset_done will be called
8026  	 * after FLR to resume Chip operation.
8027  	 */
8028  	ha->flags.eeh_busy = 1;
8029  	mutex_lock(&ha->mq_lock);
8030  	list_for_each_entry(qpair, &base_vha->qp_list, qp_list_elem)
8031  		qpair->online = 0;
8032  	mutex_unlock(&ha->mq_lock);
8033  
8034  	set_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
8035  	qla2x00_abort_isp_cleanup(base_vha);
8036  	qla2x00_abort_all_cmds(base_vha, DID_RESET << 16);
8037  }
8038  
8039  static void
qla_pci_reset_done(struct pci_dev * pdev)8040  qla_pci_reset_done(struct pci_dev *pdev)
8041  {
8042  	scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
8043  	struct qla_hw_data *ha = base_vha->hw;
8044  	struct qla_qpair *qpair;
8045  
8046  	ql_log(ql_log_warn, base_vha, 0xffff,
8047  	    "%s.\n", __func__);
8048  
8049  	/*
8050  	 * FLR just completed by PCI layer. Resume adapter
8051  	 */
8052  	ha->flags.eeh_busy = 0;
8053  	mutex_lock(&ha->mq_lock);
8054  	list_for_each_entry(qpair, &base_vha->qp_list, qp_list_elem)
8055  		qpair->online = 1;
8056  	mutex_unlock(&ha->mq_lock);
8057  
8058  	base_vha->flags.online = 1;
8059  	ha->isp_ops->abort_isp(base_vha);
8060  	clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
8061  }
8062  
qla2xxx_map_queues(struct Scsi_Host * shost)8063  static void qla2xxx_map_queues(struct Scsi_Host *shost)
8064  {
8065  	scsi_qla_host_t *vha = (scsi_qla_host_t *)shost->hostdata;
8066  	struct blk_mq_queue_map *qmap = &shost->tag_set.map[HCTX_TYPE_DEFAULT];
8067  
8068  	if (USER_CTRL_IRQ(vha->hw) || !vha->hw->mqiobase)
8069  		blk_mq_map_queues(qmap);
8070  	else
8071  		blk_mq_pci_map_queues(qmap, vha->hw->pdev, vha->irq_offset);
8072  }
8073  
8074  struct scsi_host_template qla2xxx_driver_template = {
8075  	.module			= THIS_MODULE,
8076  	.name			= QLA2XXX_DRIVER_NAME,
8077  	.queuecommand		= qla2xxx_queuecommand,
8078  
8079  	.eh_timed_out		= fc_eh_timed_out,
8080  	.eh_abort_handler	= qla2xxx_eh_abort,
8081  	.eh_should_retry_cmd	= fc_eh_should_retry_cmd,
8082  	.eh_device_reset_handler = qla2xxx_eh_device_reset,
8083  	.eh_target_reset_handler = qla2xxx_eh_target_reset,
8084  	.eh_bus_reset_handler	= qla2xxx_eh_bus_reset,
8085  	.eh_host_reset_handler	= qla2xxx_eh_host_reset,
8086  
8087  	.slave_configure	= qla2xxx_slave_configure,
8088  
8089  	.slave_alloc		= qla2xxx_slave_alloc,
8090  	.slave_destroy		= qla2xxx_slave_destroy,
8091  	.scan_finished		= qla2xxx_scan_finished,
8092  	.scan_start		= qla2xxx_scan_start,
8093  	.change_queue_depth	= scsi_change_queue_depth,
8094  	.map_queues             = qla2xxx_map_queues,
8095  	.this_id		= -1,
8096  	.cmd_per_lun		= 3,
8097  	.sg_tablesize		= SG_ALL,
8098  
8099  	.max_sectors		= 0xFFFF,
8100  	.shost_groups		= qla2x00_host_groups,
8101  
8102  	.supported_mode		= MODE_INITIATOR,
8103  	.track_queue_depth	= 1,
8104  	.cmd_size		= sizeof(srb_t),
8105  };
8106  
8107  static const struct pci_error_handlers qla2xxx_err_handler = {
8108  	.error_detected = qla2xxx_pci_error_detected,
8109  	.mmio_enabled = qla2xxx_pci_mmio_enabled,
8110  	.slot_reset = qla2xxx_pci_slot_reset,
8111  	.resume = qla2xxx_pci_resume,
8112  	.reset_prepare = qla_pci_reset_prepare,
8113  	.reset_done = qla_pci_reset_done,
8114  };
8115  
8116  static struct pci_device_id qla2xxx_pci_tbl[] = {
8117  	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2100) },
8118  	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2200) },
8119  	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2300) },
8120  	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2312) },
8121  	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2322) },
8122  	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP6312) },
8123  	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP6322) },
8124  	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2422) },
8125  	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2432) },
8126  	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8432) },
8127  	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP5422) },
8128  	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP5432) },
8129  	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2532) },
8130  	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2031) },
8131  	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8001) },
8132  	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8021) },
8133  	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8031) },
8134  	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISPF001) },
8135  	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8044) },
8136  	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2071) },
8137  	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2271) },
8138  	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2261) },
8139  	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2061) },
8140  	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2081) },
8141  	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2281) },
8142  	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2089) },
8143  	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2289) },
8144  	{ 0 },
8145  };
8146  MODULE_DEVICE_TABLE(pci, qla2xxx_pci_tbl);
8147  
8148  static struct pci_driver qla2xxx_pci_driver = {
8149  	.name		= QLA2XXX_DRIVER_NAME,
8150  	.driver		= {
8151  		.owner		= THIS_MODULE,
8152  	},
8153  	.id_table	= qla2xxx_pci_tbl,
8154  	.probe		= qla2x00_probe_one,
8155  	.remove		= qla2x00_remove_one,
8156  	.shutdown	= qla2x00_shutdown,
8157  	.err_handler	= &qla2xxx_err_handler,
8158  };
8159  
8160  static const struct file_operations apidev_fops = {
8161  	.owner = THIS_MODULE,
8162  	.llseek = noop_llseek,
8163  };
8164  
8165  /**
8166   * qla2x00_module_init - Module initialization.
8167   **/
8168  static int __init
qla2x00_module_init(void)8169  qla2x00_module_init(void)
8170  {
8171  	int ret = 0;
8172  
8173  	BUILD_BUG_ON(sizeof(cmd_a64_entry_t) != 64);
8174  	BUILD_BUG_ON(sizeof(cmd_entry_t) != 64);
8175  	BUILD_BUG_ON(sizeof(cont_a64_entry_t) != 64);
8176  	BUILD_BUG_ON(sizeof(cont_entry_t) != 64);
8177  	BUILD_BUG_ON(sizeof(init_cb_t) != 96);
8178  	BUILD_BUG_ON(sizeof(mrk_entry_t) != 64);
8179  	BUILD_BUG_ON(sizeof(ms_iocb_entry_t) != 64);
8180  	BUILD_BUG_ON(sizeof(request_t) != 64);
8181  	BUILD_BUG_ON(sizeof(struct abort_entry_24xx) != 64);
8182  	BUILD_BUG_ON(sizeof(struct abort_iocb_entry_fx00) != 64);
8183  	BUILD_BUG_ON(sizeof(struct abts_entry_24xx) != 64);
8184  	BUILD_BUG_ON(sizeof(struct access_chip_84xx) != 64);
8185  	BUILD_BUG_ON(sizeof(struct access_chip_rsp_84xx) != 64);
8186  	BUILD_BUG_ON(sizeof(struct cmd_bidir) != 64);
8187  	BUILD_BUG_ON(sizeof(struct cmd_nvme) != 64);
8188  	BUILD_BUG_ON(sizeof(struct cmd_type_6) != 64);
8189  	BUILD_BUG_ON(sizeof(struct cmd_type_7) != 64);
8190  	BUILD_BUG_ON(sizeof(struct cmd_type_7_fx00) != 64);
8191  	BUILD_BUG_ON(sizeof(struct cmd_type_crc_2) != 64);
8192  	BUILD_BUG_ON(sizeof(struct ct_entry_24xx) != 64);
8193  	BUILD_BUG_ON(sizeof(struct ct_fdmi1_hba_attributes) != 2604);
8194  	BUILD_BUG_ON(sizeof(struct ct_fdmi2_hba_attributes) != 4424);
8195  	BUILD_BUG_ON(sizeof(struct ct_fdmi2_port_attributes) != 4164);
8196  	BUILD_BUG_ON(sizeof(struct ct_fdmi_hba_attr) != 260);
8197  	BUILD_BUG_ON(sizeof(struct ct_fdmi_port_attr) != 260);
8198  	BUILD_BUG_ON(sizeof(struct ct_rsp_hdr) != 16);
8199  	BUILD_BUG_ON(sizeof(struct ctio_crc2_to_fw) != 64);
8200  	BUILD_BUG_ON(sizeof(struct device_reg_24xx) != 256);
8201  	BUILD_BUG_ON(sizeof(struct device_reg_25xxmq) != 24);
8202  	BUILD_BUG_ON(sizeof(struct device_reg_2xxx) != 256);
8203  	BUILD_BUG_ON(sizeof(struct device_reg_82xx) != 1288);
8204  	BUILD_BUG_ON(sizeof(struct device_reg_fx00) != 216);
8205  	BUILD_BUG_ON(sizeof(struct els_entry_24xx) != 64);
8206  	BUILD_BUG_ON(sizeof(struct els_sts_entry_24xx) != 64);
8207  	BUILD_BUG_ON(sizeof(struct fxdisc_entry_fx00) != 64);
8208  	BUILD_BUG_ON(sizeof(struct imm_ntfy_from_isp) != 64);
8209  	BUILD_BUG_ON(sizeof(struct init_cb_24xx) != 128);
8210  	BUILD_BUG_ON(sizeof(struct init_cb_81xx) != 128);
8211  	BUILD_BUG_ON(sizeof(struct logio_entry_24xx) != 64);
8212  	BUILD_BUG_ON(sizeof(struct mbx_entry) != 64);
8213  	BUILD_BUG_ON(sizeof(struct mid_init_cb_24xx) != 5252);
8214  	BUILD_BUG_ON(sizeof(struct mrk_entry_24xx) != 64);
8215  	BUILD_BUG_ON(sizeof(struct nvram_24xx) != 512);
8216  	BUILD_BUG_ON(sizeof(struct nvram_81xx) != 512);
8217  	BUILD_BUG_ON(sizeof(struct pt_ls4_request) != 64);
8218  	BUILD_BUG_ON(sizeof(struct pt_ls4_rx_unsol) != 64);
8219  	BUILD_BUG_ON(sizeof(struct purex_entry_24xx) != 64);
8220  	BUILD_BUG_ON(sizeof(struct qla2100_fw_dump) != 123634);
8221  	BUILD_BUG_ON(sizeof(struct qla2300_fw_dump) != 136100);
8222  	BUILD_BUG_ON(sizeof(struct qla24xx_fw_dump) != 37976);
8223  	BUILD_BUG_ON(sizeof(struct qla25xx_fw_dump) != 39228);
8224  	BUILD_BUG_ON(sizeof(struct qla2xxx_fce_chain) != 52);
8225  	BUILD_BUG_ON(sizeof(struct qla2xxx_fw_dump) != 136172);
8226  	BUILD_BUG_ON(sizeof(struct qla2xxx_mq_chain) != 524);
8227  	BUILD_BUG_ON(sizeof(struct qla2xxx_mqueue_chain) != 8);
8228  	BUILD_BUG_ON(sizeof(struct qla2xxx_mqueue_header) != 12);
8229  	BUILD_BUG_ON(sizeof(struct qla2xxx_offld_chain) != 24);
8230  	BUILD_BUG_ON(sizeof(struct qla81xx_fw_dump) != 39420);
8231  	BUILD_BUG_ON(sizeof(struct qla82xx_uri_data_desc) != 28);
8232  	BUILD_BUG_ON(sizeof(struct qla82xx_uri_table_desc) != 32);
8233  	BUILD_BUG_ON(sizeof(struct qla83xx_fw_dump) != 51196);
8234  	BUILD_BUG_ON(sizeof(struct qla_fcp_prio_cfg) != FCP_PRIO_CFG_SIZE);
8235  	BUILD_BUG_ON(sizeof(struct qla_fdt_layout) != 128);
8236  	BUILD_BUG_ON(sizeof(struct qla_flt_header) != 8);
8237  	BUILD_BUG_ON(sizeof(struct qla_flt_region) != 16);
8238  	BUILD_BUG_ON(sizeof(struct qla_npiv_entry) != 24);
8239  	BUILD_BUG_ON(sizeof(struct qla_npiv_header) != 16);
8240  	BUILD_BUG_ON(sizeof(struct rdp_rsp_payload) != 336);
8241  	BUILD_BUG_ON(sizeof(struct sns_cmd_pkt) != 2064);
8242  	BUILD_BUG_ON(sizeof(struct sts_entry_24xx) != 64);
8243  	BUILD_BUG_ON(sizeof(struct tsk_mgmt_entry) != 64);
8244  	BUILD_BUG_ON(sizeof(struct tsk_mgmt_entry_fx00) != 64);
8245  	BUILD_BUG_ON(sizeof(struct verify_chip_entry_84xx) != 64);
8246  	BUILD_BUG_ON(sizeof(struct verify_chip_rsp_84xx) != 52);
8247  	BUILD_BUG_ON(sizeof(struct vf_evfp_entry_24xx) != 56);
8248  	BUILD_BUG_ON(sizeof(struct vp_config_entry_24xx) != 64);
8249  	BUILD_BUG_ON(sizeof(struct vp_ctrl_entry_24xx) != 64);
8250  	BUILD_BUG_ON(sizeof(struct vp_rpt_id_entry_24xx) != 64);
8251  	BUILD_BUG_ON(sizeof(sts21_entry_t) != 64);
8252  	BUILD_BUG_ON(sizeof(sts22_entry_t) != 64);
8253  	BUILD_BUG_ON(sizeof(sts_cont_entry_t) != 64);
8254  	BUILD_BUG_ON(sizeof(sts_entry_t) != 64);
8255  	BUILD_BUG_ON(sizeof(sw_info_t) != 32);
8256  	BUILD_BUG_ON(sizeof(target_id_t) != 2);
8257  
8258  	qla_trace_init();
8259  
8260  	/* Allocate cache for SRBs. */
8261  	srb_cachep = kmem_cache_create("qla2xxx_srbs", sizeof(srb_t), 0,
8262  	    SLAB_HWCACHE_ALIGN, NULL);
8263  	if (srb_cachep == NULL) {
8264  		ql_log(ql_log_fatal, NULL, 0x0001,
8265  		    "Unable to allocate SRB cache...Failing load!.\n");
8266  		return -ENOMEM;
8267  	}
8268  
8269  	/* Initialize target kmem_cache and mem_pools */
8270  	ret = qlt_init();
8271  	if (ret < 0) {
8272  		goto destroy_cache;
8273  	} else if (ret > 0) {
8274  		/*
8275  		 * If initiator mode is explictly disabled by qlt_init(),
8276  		 * prevent scsi_transport_fc.c:fc_scsi_scan_rport() from
8277  		 * performing scsi_scan_target() during LOOP UP event.
8278  		 */
8279  		qla2xxx_transport_functions.disable_target_scan = 1;
8280  		qla2xxx_transport_vport_functions.disable_target_scan = 1;
8281  	}
8282  
8283  	/* Derive version string. */
8284  	strcpy(qla2x00_version_str, QLA2XXX_VERSION);
8285  	if (ql2xextended_error_logging)
8286  		strcat(qla2x00_version_str, "-debug");
8287  	if (ql2xextended_error_logging == 1)
8288  		ql2xextended_error_logging = QL_DBG_DEFAULT1_MASK;
8289  
8290  	qla2xxx_transport_template =
8291  	    fc_attach_transport(&qla2xxx_transport_functions);
8292  	if (!qla2xxx_transport_template) {
8293  		ql_log(ql_log_fatal, NULL, 0x0002,
8294  		    "fc_attach_transport failed...Failing load!.\n");
8295  		ret = -ENODEV;
8296  		goto qlt_exit;
8297  	}
8298  
8299  	apidev_major = register_chrdev(0, QLA2XXX_APIDEV, &apidev_fops);
8300  	if (apidev_major < 0) {
8301  		ql_log(ql_log_fatal, NULL, 0x0003,
8302  		    "Unable to register char device %s.\n", QLA2XXX_APIDEV);
8303  	}
8304  
8305  	qla2xxx_transport_vport_template =
8306  	    fc_attach_transport(&qla2xxx_transport_vport_functions);
8307  	if (!qla2xxx_transport_vport_template) {
8308  		ql_log(ql_log_fatal, NULL, 0x0004,
8309  		    "fc_attach_transport vport failed...Failing load!.\n");
8310  		ret = -ENODEV;
8311  		goto unreg_chrdev;
8312  	}
8313  	ql_log(ql_log_info, NULL, 0x0005,
8314  	    "QLogic Fibre Channel HBA Driver: %s.\n",
8315  	    qla2x00_version_str);
8316  	ret = pci_register_driver(&qla2xxx_pci_driver);
8317  	if (ret) {
8318  		ql_log(ql_log_fatal, NULL, 0x0006,
8319  		    "pci_register_driver failed...ret=%d Failing load!.\n",
8320  		    ret);
8321  		goto release_vport_transport;
8322  	}
8323  	return ret;
8324  
8325  release_vport_transport:
8326  	fc_release_transport(qla2xxx_transport_vport_template);
8327  
8328  unreg_chrdev:
8329  	if (apidev_major >= 0)
8330  		unregister_chrdev(apidev_major, QLA2XXX_APIDEV);
8331  	fc_release_transport(qla2xxx_transport_template);
8332  
8333  qlt_exit:
8334  	qlt_exit();
8335  
8336  destroy_cache:
8337  	kmem_cache_destroy(srb_cachep);
8338  
8339  	qla_trace_uninit();
8340  	return ret;
8341  }
8342  
8343  /**
8344   * qla2x00_module_exit - Module cleanup.
8345   **/
8346  static void __exit
qla2x00_module_exit(void)8347  qla2x00_module_exit(void)
8348  {
8349  	pci_unregister_driver(&qla2xxx_pci_driver);
8350  	qla2x00_release_firmware();
8351  	kmem_cache_destroy(ctx_cachep);
8352  	fc_release_transport(qla2xxx_transport_vport_template);
8353  	if (apidev_major >= 0)
8354  		unregister_chrdev(apidev_major, QLA2XXX_APIDEV);
8355  	fc_release_transport(qla2xxx_transport_template);
8356  	qlt_exit();
8357  	kmem_cache_destroy(srb_cachep);
8358  	qla_trace_uninit();
8359  }
8360  
8361  module_init(qla2x00_module_init);
8362  module_exit(qla2x00_module_exit);
8363  
8364  MODULE_AUTHOR("QLogic Corporation");
8365  MODULE_DESCRIPTION("QLogic Fibre Channel HBA Driver");
8366  MODULE_LICENSE("GPL");
8367  MODULE_FIRMWARE(FW_FILE_ISP21XX);
8368  MODULE_FIRMWARE(FW_FILE_ISP22XX);
8369  MODULE_FIRMWARE(FW_FILE_ISP2300);
8370  MODULE_FIRMWARE(FW_FILE_ISP2322);
8371  MODULE_FIRMWARE(FW_FILE_ISP24XX);
8372  MODULE_FIRMWARE(FW_FILE_ISP25XX);
8373