xref: /openbmc/linux/drivers/scsi/pm8001/pm8001_sas.h (revision 14474950)
1 /*
2  * PMC-Sierra PM8001/8081/8088/8089 SAS/SATA based host adapters driver
3  *
4  * Copyright (c) 2008-2009 USI Co., Ltd.
5  * All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions, and the following disclaimer,
12  *    without modification.
13  * 2. Redistributions in binary form must reproduce at minimum a disclaimer
14  *    substantially similar to the "NO WARRANTY" disclaimer below
15  *    ("Disclaimer") and any redistribution must be conditioned upon
16  *    including a substantially similar Disclaimer requirement for further
17  *    binary redistribution.
18  * 3. Neither the names of the above-listed copyright holders nor the names
19  *    of any contributors may be used to endorse or promote products derived
20  *    from this software without specific prior written permission.
21  *
22  * Alternatively, this software may be distributed under the terms of the
23  * GNU General Public License ("GPL") version 2 as published by the Free
24  * Software Foundation.
25  *
26  * NO WARRANTY
27  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
28  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
29  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
30  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
31  * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
32  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
33  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
34  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
35  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
36  * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
37  * POSSIBILITY OF SUCH DAMAGES.
38  *
39  */
40 
41 #ifndef _PM8001_SAS_H_
42 #define _PM8001_SAS_H_
43 
44 #include <linux/kernel.h>
45 #include <linux/module.h>
46 #include <linux/spinlock.h>
47 #include <linux/delay.h>
48 #include <linux/types.h>
49 #include <linux/ctype.h>
50 #include <linux/dma-mapping.h>
51 #include <linux/pci.h>
52 #include <linux/interrupt.h>
53 #include <linux/workqueue.h>
54 #include <scsi/libsas.h>
55 #include <scsi/scsi_tcq.h>
56 #include <scsi/sas_ata.h>
57 #include <linux/atomic.h>
58 #include "pm8001_defs.h"
59 
60 #define DRV_NAME		"pm80xx"
61 #define DRV_VERSION		"0.1.39"
62 #define PM8001_FAIL_LOGGING	0x01 /* Error message logging */
63 #define PM8001_INIT_LOGGING	0x02 /* driver init logging */
64 #define PM8001_DISC_LOGGING	0x04 /* discovery layer logging */
65 #define PM8001_IO_LOGGING	0x08 /* I/O path logging */
66 #define PM8001_EH_LOGGING	0x10 /* libsas EH function logging*/
67 #define PM8001_IOCTL_LOGGING	0x20 /* IOCTL message logging */
68 #define PM8001_MSG_LOGGING	0x40 /* misc message logging */
69 #define PM8001_DEV_LOGGING	0x80 /* development message logging */
70 #define PM8001_DEVIO_LOGGING	0x100 /* development io message logging */
71 #define PM8001_IOERR_LOGGING	0x200 /* development io err message logging */
72 #define pm8001_printk(format, arg...)	pr_info("%s:: %s  %d:" \
73 			format, pm8001_ha->name, __func__, __LINE__, ## arg)
74 #define PM8001_CHECK_LOGGING(HBA, LEVEL, CMD)	\
75 do {						\
76 	if (unlikely(HBA->logging_level & LEVEL))	\
77 		do {					\
78 			CMD;				\
79 		} while (0);				\
80 } while (0);
81 
82 #define PM8001_EH_DBG(HBA, CMD)			\
83 	PM8001_CHECK_LOGGING(HBA, PM8001_EH_LOGGING, CMD)
84 
85 #define PM8001_INIT_DBG(HBA, CMD)		\
86 	PM8001_CHECK_LOGGING(HBA, PM8001_INIT_LOGGING, CMD)
87 
88 #define PM8001_DISC_DBG(HBA, CMD)		\
89 	PM8001_CHECK_LOGGING(HBA, PM8001_DISC_LOGGING, CMD)
90 
91 #define PM8001_IO_DBG(HBA, CMD)		\
92 	PM8001_CHECK_LOGGING(HBA, PM8001_IO_LOGGING, CMD)
93 
94 #define PM8001_FAIL_DBG(HBA, CMD)		\
95 	PM8001_CHECK_LOGGING(HBA, PM8001_FAIL_LOGGING, CMD)
96 
97 #define PM8001_IOCTL_DBG(HBA, CMD)		\
98 	PM8001_CHECK_LOGGING(HBA, PM8001_IOCTL_LOGGING, CMD)
99 
100 #define PM8001_MSG_DBG(HBA, CMD)		\
101 	PM8001_CHECK_LOGGING(HBA, PM8001_MSG_LOGGING, CMD)
102 
103 #define PM8001_DEV_DBG(HBA, CMD)		\
104 	PM8001_CHECK_LOGGING(HBA, PM8001_DEV_LOGGING, CMD)
105 
106 #define PM8001_DEVIO_DBG(HBA, CMD)		\
107 	PM8001_CHECK_LOGGING(HBA, PM8001_DEVIO_LOGGING, CMD)
108 
109 #define PM8001_IOERR_DBG(HBA, CMD)		\
110 	PM8001_CHECK_LOGGING(HBA, PM8001_IOERR_LOGGING, CMD)
111 
112 #define PM8001_USE_TASKLET
113 #define PM8001_USE_MSIX
114 #define PM8001_READ_VPD
115 
116 
117 #define IS_SPCV_12G(dev)	((dev->device == 0X8074)		\
118 				|| (dev->device == 0X8076)		\
119 				|| (dev->device == 0X8077)		\
120 				|| (dev->device == 0X8070)		\
121 				|| (dev->device == 0X8072))
122 
123 #define PM8001_NAME_LENGTH		32/* generic length of strings */
124 extern struct list_head hba_list;
125 extern const struct pm8001_dispatch pm8001_8001_dispatch;
126 extern const struct pm8001_dispatch pm8001_80xx_dispatch;
127 
128 struct pm8001_hba_info;
129 struct pm8001_ccb_info;
130 struct pm8001_device;
131 /* define task management IU */
132 struct pm8001_tmf_task {
133 	u8	tmf;
134 	u32	tag_of_task_to_be_managed;
135 };
136 struct pm8001_ioctl_payload {
137 	u32	signature;
138 	u16	major_function;
139 	u16	minor_function;
140 	u16	status;
141 	u16	offset;
142 	u16	id;
143 	u32	wr_length;
144 	u32	rd_length;
145 	u8	*func_specific;
146 };
147 
148 #define MPI_FATAL_ERROR_TABLE_OFFSET_MASK 0xFFFFFF
149 #define MPI_FATAL_ERROR_TABLE_SIZE(value) ((0xFF000000 & value) >> SHIFT24)
150 #define MPI_FATAL_EDUMP_TABLE_LO_OFFSET            0x00     /* HNFBUFL */
151 #define MPI_FATAL_EDUMP_TABLE_HI_OFFSET            0x04     /* HNFBUFH */
152 #define MPI_FATAL_EDUMP_TABLE_LENGTH               0x08     /* HNFBLEN */
153 #define MPI_FATAL_EDUMP_TABLE_HANDSHAKE            0x0C     /* FDDHSHK */
154 #define MPI_FATAL_EDUMP_TABLE_STATUS               0x10     /* FDDTSTAT */
155 #define MPI_FATAL_EDUMP_TABLE_ACCUM_LEN            0x14     /* ACCDDLEN */
156 #define MPI_FATAL_EDUMP_TABLE_TOTAL_LEN		   0x18	    /* TOTALLEN */
157 #define MPI_FATAL_EDUMP_TABLE_SIGNATURE		   0x1C     /* SIGNITURE */
158 #define MPI_FATAL_EDUMP_HANDSHAKE_RDY              0x1
159 #define MPI_FATAL_EDUMP_HANDSHAKE_BUSY             0x0
160 #define MPI_FATAL_EDUMP_TABLE_STAT_RSVD                 0x0
161 #define MPI_FATAL_EDUMP_TABLE_STAT_DMA_FAILED           0x1
162 #define MPI_FATAL_EDUMP_TABLE_STAT_NF_SUCCESS_MORE_DATA 0x2
163 #define MPI_FATAL_EDUMP_TABLE_STAT_NF_SUCCESS_DONE      0x3
164 #define TYPE_GSM_SPACE        1
165 #define TYPE_QUEUE            2
166 #define TYPE_FATAL            3
167 #define TYPE_NON_FATAL        4
168 #define TYPE_INBOUND          1
169 #define TYPE_OUTBOUND         2
170 struct forensic_data {
171 	u32  data_type;
172 	union {
173 		struct {
174 			u32  direct_len;
175 			u32  direct_offset;
176 			void  *direct_data;
177 		} gsm_buf;
178 		struct {
179 			u16  queue_type;
180 			u16  queue_index;
181 			u32  direct_len;
182 			void  *direct_data;
183 		} queue_buf;
184 		struct {
185 			u32  direct_len;
186 			u32  direct_offset;
187 			u32  read_len;
188 			void  *direct_data;
189 		} data_buf;
190 	};
191 };
192 
193 /* bit31-26 - mask bar */
194 #define SCRATCH_PAD0_BAR_MASK                    0xFC000000
195 /* bit25-0  - offset mask */
196 #define SCRATCH_PAD0_OFFSET_MASK                 0x03FFFFFF
197 /* if AAP error state */
198 #define SCRATCH_PAD0_AAPERR_MASK                 0xFFFFFFFF
199 /* Inbound doorbell bit7 */
200 #define SPCv_MSGU_CFG_TABLE_NONFATAL_DUMP	 0x80
201 /* Inbound doorbell bit7 SPCV */
202 #define SPCV_MSGU_CFG_TABLE_TRANSFER_DEBUG_INFO  0x80
203 #define MAIN_MERRDCTO_MERRDCES		         0xA0/* DWORD 0x28) */
204 
205 struct pm8001_dispatch {
206 	char *name;
207 	int (*chip_init)(struct pm8001_hba_info *pm8001_ha);
208 	int (*chip_soft_rst)(struct pm8001_hba_info *pm8001_ha);
209 	void (*chip_rst)(struct pm8001_hba_info *pm8001_ha);
210 	int (*chip_ioremap)(struct pm8001_hba_info *pm8001_ha);
211 	void (*chip_iounmap)(struct pm8001_hba_info *pm8001_ha);
212 	irqreturn_t (*isr)(struct pm8001_hba_info *pm8001_ha, u8 vec);
213 	u32 (*is_our_interrupt)(struct pm8001_hba_info *pm8001_ha);
214 	int (*isr_process_oq)(struct pm8001_hba_info *pm8001_ha, u8 vec);
215 	void (*interrupt_enable)(struct pm8001_hba_info *pm8001_ha, u8 vec);
216 	void (*interrupt_disable)(struct pm8001_hba_info *pm8001_ha, u8 vec);
217 	void (*make_prd)(struct scatterlist *scatter, int nr, void *prd);
218 	int (*smp_req)(struct pm8001_hba_info *pm8001_ha,
219 		struct pm8001_ccb_info *ccb);
220 	int (*ssp_io_req)(struct pm8001_hba_info *pm8001_ha,
221 		struct pm8001_ccb_info *ccb);
222 	int (*sata_req)(struct pm8001_hba_info *pm8001_ha,
223 		struct pm8001_ccb_info *ccb);
224 	int (*phy_start_req)(struct pm8001_hba_info *pm8001_ha,	u8 phy_id);
225 	int (*phy_stop_req)(struct pm8001_hba_info *pm8001_ha, u8 phy_id);
226 	int (*reg_dev_req)(struct pm8001_hba_info *pm8001_ha,
227 		struct pm8001_device *pm8001_dev, u32 flag);
228 	int (*dereg_dev_req)(struct pm8001_hba_info *pm8001_ha, u32 device_id);
229 	int (*phy_ctl_req)(struct pm8001_hba_info *pm8001_ha,
230 		u32 phy_id, u32 phy_op);
231 	int (*task_abort)(struct pm8001_hba_info *pm8001_ha,
232 		struct pm8001_device *pm8001_dev, u8 flag, u32 task_tag,
233 		u32 cmd_tag);
234 	int (*ssp_tm_req)(struct pm8001_hba_info *pm8001_ha,
235 		struct pm8001_ccb_info *ccb, struct pm8001_tmf_task *tmf);
236 	int (*get_nvmd_req)(struct pm8001_hba_info *pm8001_ha, void *payload);
237 	int (*set_nvmd_req)(struct pm8001_hba_info *pm8001_ha, void *payload);
238 	int (*fw_flash_update_req)(struct pm8001_hba_info *pm8001_ha,
239 		void *payload);
240 	int (*set_dev_state_req)(struct pm8001_hba_info *pm8001_ha,
241 		struct pm8001_device *pm8001_dev, u32 state);
242 	int (*sas_diag_start_end_req)(struct pm8001_hba_info *pm8001_ha,
243 		u32 state);
244 	int (*sas_diag_execute_req)(struct pm8001_hba_info *pm8001_ha,
245 		u32 state);
246 	int (*sas_re_init_req)(struct pm8001_hba_info *pm8001_ha);
247 };
248 
249 struct pm8001_chip_info {
250 	u32     encrypt;
251 	u32	n_phy;
252 	const struct pm8001_dispatch	*dispatch;
253 };
254 #define PM8001_CHIP_DISP	(pm8001_ha->chip->dispatch)
255 
256 struct pm8001_port {
257 	struct asd_sas_port	sas_port;
258 	u8			port_attached;
259 	u16			wide_port_phymap;
260 	u8			port_state;
261 	struct list_head	list;
262 };
263 
264 struct pm8001_phy {
265 	struct pm8001_hba_info	*pm8001_ha;
266 	struct pm8001_port	*port;
267 	struct asd_sas_phy	sas_phy;
268 	struct sas_identify	identify;
269 	struct scsi_device	*sdev;
270 	u64			dev_sas_addr;
271 	u32			phy_type;
272 	struct completion	*enable_completion;
273 	u32			frame_rcvd_size;
274 	u8			frame_rcvd[32];
275 	u8			phy_attached;
276 	u8			phy_state;
277 	enum sas_linkrate	minimum_linkrate;
278 	enum sas_linkrate	maximum_linkrate;
279 	struct completion	*reset_completion;
280 	bool			port_reset_status;
281 	bool			reset_success;
282 };
283 
284 /* port reset status */
285 #define PORT_RESET_SUCCESS	0x00
286 #define PORT_RESET_TMO		0x01
287 
288 struct pm8001_device {
289 	enum sas_device_type	dev_type;
290 	struct domain_device	*sas_device;
291 	u32			attached_phy;
292 	u32			id;
293 	struct completion	*dcompletion;
294 	struct completion	*setds_completion;
295 	u32			device_id;
296 	u32			running_req;
297 };
298 
299 struct pm8001_prd_imt {
300 	__le32			len;
301 	__le32			e;
302 };
303 
304 struct pm8001_prd {
305 	__le64			addr;		/* 64-bit buffer address */
306 	struct pm8001_prd_imt	im_len;		/* 64-bit length */
307 } __attribute__ ((packed));
308 /*
309  * CCB(Command Control Block)
310  */
311 struct pm8001_ccb_info {
312 	struct list_head	entry;
313 	struct sas_task		*task;
314 	u32			n_elem;
315 	u32			ccb_tag;
316 	dma_addr_t		ccb_dma_handle;
317 	struct pm8001_device	*device;
318 	struct pm8001_prd	buf_prd[PM8001_MAX_DMA_SG];
319 	struct fw_control_ex	*fw_control_context;
320 	u8			open_retry;
321 };
322 
323 struct mpi_mem {
324 	void			*virt_ptr;
325 	dma_addr_t		phys_addr;
326 	u32			phys_addr_hi;
327 	u32			phys_addr_lo;
328 	u32			total_len;
329 	u32			num_elements;
330 	u32			element_size;
331 	u32			alignment;
332 };
333 
334 struct mpi_mem_req {
335 	/* The number of element in the  mpiMemory array */
336 	u32			count;
337 	/* The array of structures that define memroy regions*/
338 	struct mpi_mem		region[USI_MAX_MEMCNT];
339 };
340 
341 struct encrypt {
342 	u32	cipher_mode;
343 	u32	sec_mode;
344 	u32	status;
345 	u32	flag;
346 };
347 
348 struct sas_phy_attribute_table {
349 	u32	phystart1_16[16];
350 	u32	outbound_hw_event_pid1_16[16];
351 };
352 
353 union main_cfg_table {
354 	struct {
355 	u32			signature;
356 	u32			interface_rev;
357 	u32			firmware_rev;
358 	u32			max_out_io;
359 	u32			max_sgl;
360 	u32			ctrl_cap_flag;
361 	u32			gst_offset;
362 	u32			inbound_queue_offset;
363 	u32			outbound_queue_offset;
364 	u32			inbound_q_nppd_hppd;
365 	u32			outbound_hw_event_pid0_3;
366 	u32			outbound_hw_event_pid4_7;
367 	u32			outbound_ncq_event_pid0_3;
368 	u32			outbound_ncq_event_pid4_7;
369 	u32			outbound_tgt_ITNexus_event_pid0_3;
370 	u32			outbound_tgt_ITNexus_event_pid4_7;
371 	u32			outbound_tgt_ssp_event_pid0_3;
372 	u32			outbound_tgt_ssp_event_pid4_7;
373 	u32			outbound_tgt_smp_event_pid0_3;
374 	u32			outbound_tgt_smp_event_pid4_7;
375 	u32			upper_event_log_addr;
376 	u32			lower_event_log_addr;
377 	u32			event_log_size;
378 	u32			event_log_option;
379 	u32			upper_iop_event_log_addr;
380 	u32			lower_iop_event_log_addr;
381 	u32			iop_event_log_size;
382 	u32			iop_event_log_option;
383 	u32			fatal_err_interrupt;
384 	u32			fatal_err_dump_offset0;
385 	u32			fatal_err_dump_length0;
386 	u32			fatal_err_dump_offset1;
387 	u32			fatal_err_dump_length1;
388 	u32			hda_mode_flag;
389 	u32			anolog_setup_table_offset;
390 	u32			rsvd[4];
391 	} pm8001_tbl;
392 
393 	struct {
394 	u32			signature;
395 	u32			interface_rev;
396 	u32			firmware_rev;
397 	u32			max_out_io;
398 	u32			max_sgl;
399 	u32			ctrl_cap_flag;
400 	u32			gst_offset;
401 	u32			inbound_queue_offset;
402 	u32			outbound_queue_offset;
403 	u32			inbound_q_nppd_hppd;
404 	u32			rsvd[8];
405 	u32			crc_core_dump;
406 	u32			rsvd1;
407 	u32			upper_event_log_addr;
408 	u32			lower_event_log_addr;
409 	u32			event_log_size;
410 	u32			event_log_severity;
411 	u32			upper_pcs_event_log_addr;
412 	u32			lower_pcs_event_log_addr;
413 	u32			pcs_event_log_size;
414 	u32			pcs_event_log_severity;
415 	u32			fatal_err_interrupt;
416 	u32			fatal_err_dump_offset0;
417 	u32			fatal_err_dump_length0;
418 	u32			fatal_err_dump_offset1;
419 	u32			fatal_err_dump_length1;
420 	u32			gpio_led_mapping;
421 	u32			analog_setup_table_offset;
422 	u32			int_vec_table_offset;
423 	u32			phy_attr_table_offset;
424 	u32			port_recovery_timer;
425 	u32			interrupt_reassertion_delay;
426 	u32			fatal_n_non_fatal_dump;	        /* 0x28 */
427 	u32			ila_version;
428 	u32			inc_fw_version;
429 	} pm80xx_tbl;
430 };
431 
432 union general_status_table {
433 	struct {
434 	u32			gst_len_mpistate;
435 	u32			iq_freeze_state0;
436 	u32			iq_freeze_state1;
437 	u32			msgu_tcnt;
438 	u32			iop_tcnt;
439 	u32			rsvd;
440 	u32			phy_state[8];
441 	u32			gpio_input_val;
442 	u32			rsvd1[2];
443 	u32			recover_err_info[8];
444 	} pm8001_tbl;
445 	struct {
446 	u32			gst_len_mpistate;
447 	u32			iq_freeze_state0;
448 	u32			iq_freeze_state1;
449 	u32			msgu_tcnt;
450 	u32			iop_tcnt;
451 	u32			rsvd[9];
452 	u32			gpio_input_val;
453 	u32			rsvd1[2];
454 	u32			recover_err_info[8];
455 	} pm80xx_tbl;
456 };
457 struct inbound_queue_table {
458 	u32			element_pri_size_cnt;
459 	u32			upper_base_addr;
460 	u32			lower_base_addr;
461 	u32			ci_upper_base_addr;
462 	u32			ci_lower_base_addr;
463 	u32			pi_pci_bar;
464 	u32			pi_offset;
465 	u32			total_length;
466 	void			*base_virt;
467 	void			*ci_virt;
468 	u32			reserved;
469 	__le32			consumer_index;
470 	u32			producer_idx;
471 };
472 struct outbound_queue_table {
473 	u32			element_size_cnt;
474 	u32			upper_base_addr;
475 	u32			lower_base_addr;
476 	void			*base_virt;
477 	u32			pi_upper_base_addr;
478 	u32			pi_lower_base_addr;
479 	u32			ci_pci_bar;
480 	u32			ci_offset;
481 	u32			total_length;
482 	void			*pi_virt;
483 	u32			interrup_vec_cnt_delay;
484 	u32			dinterrup_to_pci_offset;
485 	__le32			producer_index;
486 	u32			consumer_idx;
487 };
488 struct pm8001_hba_memspace {
489 	void __iomem  		*memvirtaddr;
490 	u64			membase;
491 	u32			memsize;
492 };
493 struct isr_param {
494 	struct pm8001_hba_info *drv_inst;
495 	u32 irq_id;
496 };
497 struct pm8001_hba_info {
498 	char			name[PM8001_NAME_LENGTH];
499 	struct list_head	list;
500 	unsigned long		flags;
501 	spinlock_t		lock;/* host-wide lock */
502 	spinlock_t		bitmap_lock;
503 	struct pci_dev		*pdev;/* our device */
504 	struct device		*dev;
505 	struct pm8001_hba_memspace io_mem[6];
506 	struct mpi_mem_req	memoryMap;
507 	struct encrypt		encrypt_info; /* support encryption */
508 	struct forensic_data	forensic_info;
509 	u32			fatal_bar_loc;
510 	u32			forensic_last_offset;
511 	u32			fatal_forensic_shift_offset;
512 	u32			forensic_fatal_step;
513 	u32			forensic_preserved_accumulated_transfer;
514 	u32			evtlog_ib_offset;
515 	u32			evtlog_ob_offset;
516 	void __iomem	*msg_unit_tbl_addr;/*Message Unit Table Addr*/
517 	void __iomem	*main_cfg_tbl_addr;/*Main Config Table Addr*/
518 	void __iomem	*general_stat_tbl_addr;/*General Status Table Addr*/
519 	void __iomem	*inbnd_q_tbl_addr;/*Inbound Queue Config Table Addr*/
520 	void __iomem	*outbnd_q_tbl_addr;/*Outbound Queue Config Table Addr*/
521 	void __iomem	*pspa_q_tbl_addr;
522 			/*MPI SAS PHY attributes Queue Config Table Addr*/
523 	void __iomem	*ivt_tbl_addr; /*MPI IVT Table Addr */
524 	void __iomem	*fatal_tbl_addr; /*MPI IVT Table Addr */
525 	union main_cfg_table	main_cfg_tbl;
526 	union general_status_table	gs_tbl;
527 	struct inbound_queue_table	inbnd_q_tbl[PM8001_MAX_SPCV_INB_NUM];
528 	struct outbound_queue_table	outbnd_q_tbl[PM8001_MAX_SPCV_OUTB_NUM];
529 	struct sas_phy_attribute_table	phy_attr_table;
530 					/* MPI SAS PHY attributes */
531 	u8			sas_addr[SAS_ADDR_SIZE];
532 	struct sas_ha_struct	*sas;/* SCSI/SAS glue */
533 	struct Scsi_Host	*shost;
534 	u32			chip_id;
535 	const struct pm8001_chip_info	*chip;
536 	struct completion	*nvmd_completion;
537 	int			tags_num;
538 	unsigned long		*tags;
539 	struct pm8001_phy	phy[PM8001_MAX_PHYS];
540 	struct pm8001_port	port[PM8001_MAX_PHYS];
541 	u32			id;
542 	u32			irq;
543 	u32			iomb_size; /* SPC and SPCV IOMB size */
544 	struct pm8001_device	*devices;
545 	struct pm8001_ccb_info	*ccb_info;
546 #ifdef PM8001_USE_MSIX
547 	int			number_of_intr;/*will be used in remove()*/
548 	char			intr_drvname[PM8001_MAX_MSIX_VEC]
549 				[PM8001_NAME_LENGTH+1+3+1];
550 #endif
551 #ifdef PM8001_USE_TASKLET
552 	struct tasklet_struct	tasklet[PM8001_MAX_MSIX_VEC];
553 #endif
554 	u32			logging_level;
555 	u32			link_rate;
556 	u32			fw_status;
557 	u32			smp_exp_mode;
558 	bool			controller_fatal_error;
559 	const struct firmware 	*fw_image;
560 	struct isr_param irq_vector[PM8001_MAX_MSIX_VEC];
561 	u32			reset_in_progress;
562 	u32			non_fatal_count;
563 	u32			non_fatal_read_length;
564 };
565 
566 struct pm8001_work {
567 	struct work_struct work;
568 	struct pm8001_hba_info *pm8001_ha;
569 	void *data;
570 	int handler;
571 };
572 
573 struct pm8001_fw_image_header {
574 	u8 vender_id[8];
575 	u8 product_id;
576 	u8 hardware_rev;
577 	u8 dest_partition;
578 	u8 reserved;
579 	u8 fw_rev[4];
580 	__be32  image_length;
581 	__be32 image_crc;
582 	__be32 startup_entry;
583 } __attribute__((packed, aligned(4)));
584 
585 
586 /**
587  * FW Flash Update status values
588  */
589 #define FLASH_UPDATE_COMPLETE_PENDING_REBOOT	0x00
590 #define FLASH_UPDATE_IN_PROGRESS		0x01
591 #define FLASH_UPDATE_HDR_ERR			0x02
592 #define FLASH_UPDATE_OFFSET_ERR			0x03
593 #define FLASH_UPDATE_CRC_ERR			0x04
594 #define FLASH_UPDATE_LENGTH_ERR			0x05
595 #define FLASH_UPDATE_HW_ERR			0x06
596 #define FLASH_UPDATE_DNLD_NOT_SUPPORTED		0x10
597 #define FLASH_UPDATE_DISABLED			0x11
598 
599 #define	NCQ_READ_LOG_FLAG			0x80000000
600 #define	NCQ_ABORT_ALL_FLAG			0x40000000
601 #define	NCQ_2ND_RLE_FLAG			0x20000000
602 
603 /* Device states */
604 #define DS_OPERATIONAL				0x01
605 #define DS_PORT_IN_RESET			0x02
606 #define DS_IN_RECOVERY				0x03
607 #define DS_IN_ERROR				0x04
608 #define DS_NON_OPERATIONAL			0x07
609 
610 /**
611  * brief param structure for firmware flash update.
612  */
613 struct fw_flash_updata_info {
614 	u32			cur_image_offset;
615 	u32			cur_image_len;
616 	u32			total_image_len;
617 	struct pm8001_prd	sgl;
618 };
619 
620 struct fw_control_info {
621 	u32			retcode;/*ret code (status)*/
622 	u32			phase;/*ret code phase*/
623 	u32			phaseCmplt;/*percent complete for the current
624 	update phase */
625 	u32			version;/*Hex encoded firmware version number*/
626 	u32			offset;/*Used for downloading firmware	*/
627 	u32			len; /*len of buffer*/
628 	u32			size;/* Used in OS VPD and Trace get size
629 	operations.*/
630 	u32			reserved;/* padding required for 64 bit
631 	alignment */
632 	u8			buffer[1];/* Start of buffer */
633 };
634 struct fw_control_ex {
635 	struct fw_control_info *fw_control;
636 	void			*buffer;/* keep buffer pointer to be
637 	freed when the response comes*/
638 	void			*virtAddr;/* keep virtual address of the data */
639 	void			*usrAddr;/* keep virtual address of the
640 	user data */
641 	dma_addr_t		phys_addr;
642 	u32			len; /* len of buffer  */
643 	void			*payload; /* pointer to IOCTL Payload */
644 	u8			inProgress;/*if 1 - the IOCTL request is in
645 	progress */
646 	void			*param1;
647 	void			*param2;
648 	void			*param3;
649 };
650 
651 /* pm8001 workqueue */
652 extern struct workqueue_struct *pm8001_wq;
653 
654 /******************** function prototype *********************/
655 int pm8001_tag_alloc(struct pm8001_hba_info *pm8001_ha, u32 *tag_out);
656 void pm8001_tag_init(struct pm8001_hba_info *pm8001_ha);
657 u32 pm8001_get_ncq_tag(struct sas_task *task, u32 *tag);
658 void pm8001_ccb_task_free(struct pm8001_hba_info *pm8001_ha,
659 	struct sas_task *task, struct pm8001_ccb_info *ccb, u32 ccb_idx);
660 int pm8001_phy_control(struct asd_sas_phy *sas_phy, enum phy_func func,
661 	void *funcdata);
662 void pm8001_scan_start(struct Scsi_Host *shost);
663 int pm8001_scan_finished(struct Scsi_Host *shost, unsigned long time);
664 int pm8001_queue_command(struct sas_task *task, gfp_t gfp_flags);
665 int pm8001_abort_task(struct sas_task *task);
666 int pm8001_abort_task_set(struct domain_device *dev, u8 *lun);
667 int pm8001_clear_aca(struct domain_device *dev, u8 *lun);
668 int pm8001_clear_task_set(struct domain_device *dev, u8 *lun);
669 int pm8001_dev_found(struct domain_device *dev);
670 void pm8001_dev_gone(struct domain_device *dev);
671 int pm8001_lu_reset(struct domain_device *dev, u8 *lun);
672 int pm8001_I_T_nexus_reset(struct domain_device *dev);
673 int pm8001_I_T_nexus_event_handler(struct domain_device *dev);
674 int pm8001_query_task(struct sas_task *task);
675 void pm8001_open_reject_retry(
676 	struct pm8001_hba_info *pm8001_ha,
677 	struct sas_task *task_to_close,
678 	struct pm8001_device *device_to_close);
679 int pm8001_mem_alloc(struct pci_dev *pdev, void **virt_addr,
680 	dma_addr_t *pphys_addr, u32 *pphys_addr_hi, u32 *pphys_addr_lo,
681 	u32 mem_size, u32 align);
682 
683 void pm8001_chip_iounmap(struct pm8001_hba_info *pm8001_ha);
684 int pm8001_mpi_build_cmd(struct pm8001_hba_info *pm8001_ha,
685 			struct inbound_queue_table *circularQ,
686 			u32 opCode, void *payload, size_t nb,
687 			u32 responseQueue);
688 int pm8001_mpi_msg_free_get(struct inbound_queue_table *circularQ,
689 				u16 messageSize, void **messagePtr);
690 u32 pm8001_mpi_msg_free_set(struct pm8001_hba_info *pm8001_ha, void *pMsg,
691 			struct outbound_queue_table *circularQ, u8 bc);
692 u32 pm8001_mpi_msg_consume(struct pm8001_hba_info *pm8001_ha,
693 			struct outbound_queue_table *circularQ,
694 			void **messagePtr1, u8 *pBC);
695 int pm8001_chip_set_dev_state_req(struct pm8001_hba_info *pm8001_ha,
696 			struct pm8001_device *pm8001_dev, u32 state);
697 int pm8001_chip_fw_flash_update_req(struct pm8001_hba_info *pm8001_ha,
698 					void *payload);
699 int pm8001_chip_fw_flash_update_build(struct pm8001_hba_info *pm8001_ha,
700 					void *fw_flash_updata_info, u32 tag);
701 int pm8001_chip_set_nvmd_req(struct pm8001_hba_info *pm8001_ha, void *payload);
702 int pm8001_chip_get_nvmd_req(struct pm8001_hba_info *pm8001_ha, void *payload);
703 int pm8001_chip_ssp_tm_req(struct pm8001_hba_info *pm8001_ha,
704 				struct pm8001_ccb_info *ccb,
705 				struct pm8001_tmf_task *tmf);
706 int pm8001_chip_abort_task(struct pm8001_hba_info *pm8001_ha,
707 				struct pm8001_device *pm8001_dev,
708 				u8 flag, u32 task_tag, u32 cmd_tag);
709 int pm8001_chip_dereg_dev_req(struct pm8001_hba_info *pm8001_ha, u32 device_id);
710 void pm8001_chip_make_sg(struct scatterlist *scatter, int nr, void *prd);
711 void pm8001_work_fn(struct work_struct *work);
712 int pm8001_handle_event(struct pm8001_hba_info *pm8001_ha,
713 					void *data, int handler);
714 void pm8001_mpi_set_dev_state_resp(struct pm8001_hba_info *pm8001_ha,
715 							void *piomb);
716 void pm8001_mpi_set_nvmd_resp(struct pm8001_hba_info *pm8001_ha,
717 							void *piomb);
718 void pm8001_mpi_get_nvmd_resp(struct pm8001_hba_info *pm8001_ha,
719 							void *piomb);
720 int pm8001_mpi_local_phy_ctl(struct pm8001_hba_info *pm8001_ha,
721 							void *piomb);
722 void pm8001_get_lrate_mode(struct pm8001_phy *phy, u8 link_rate);
723 void pm8001_get_attached_sas_addr(struct pm8001_phy *phy, u8 *sas_addr);
724 void pm8001_bytes_dmaed(struct pm8001_hba_info *pm8001_ha, int i);
725 int pm8001_mpi_reg_resp(struct pm8001_hba_info *pm8001_ha, void *piomb);
726 int pm8001_mpi_dereg_resp(struct pm8001_hba_info *pm8001_ha, void *piomb);
727 int pm8001_mpi_fw_flash_update_resp(struct pm8001_hba_info *pm8001_ha,
728 							void *piomb);
729 int pm8001_mpi_general_event(struct pm8001_hba_info *pm8001_ha , void *piomb);
730 int pm8001_mpi_task_abort_resp(struct pm8001_hba_info *pm8001_ha, void *piomb);
731 struct sas_task *pm8001_alloc_task(void);
732 void pm8001_task_done(struct sas_task *task);
733 void pm8001_free_task(struct sas_task *task);
734 void pm8001_tag_free(struct pm8001_hba_info *pm8001_ha, u32 tag);
735 struct pm8001_device *pm8001_find_dev(struct pm8001_hba_info *pm8001_ha,
736 					u32 device_id);
737 int pm80xx_set_thermal_config(struct pm8001_hba_info *pm8001_ha);
738 
739 int pm8001_bar4_shift(struct pm8001_hba_info *pm8001_ha, u32 shiftValue);
740 void pm8001_set_phy_profile(struct pm8001_hba_info *pm8001_ha,
741 	u32 length, u8 *buf);
742 void pm8001_set_phy_profile_single(struct pm8001_hba_info *pm8001_ha,
743 		u32 phy, u32 length, u32 *buf);
744 int pm80xx_bar4_shift(struct pm8001_hba_info *pm8001_ha, u32 shiftValue);
745 ssize_t pm80xx_get_fatal_dump(struct device *cdev,
746 		struct device_attribute *attr, char *buf);
747 ssize_t pm80xx_get_non_fatal_dump(struct device *cdev,
748 		struct device_attribute *attr, char *buf);
749 ssize_t pm8001_get_gsm_dump(struct device *cdev, u32, char *buf);
750 /* ctl shared API */
751 extern struct device_attribute *pm8001_host_attrs[];
752 
753 static inline void
754 pm8001_ccb_task_free_done(struct pm8001_hba_info *pm8001_ha,
755 			struct sas_task *task, struct pm8001_ccb_info *ccb,
756 			u32 ccb_idx)
757 {
758 	pm8001_ccb_task_free(pm8001_ha, task, ccb, ccb_idx);
759 	smp_mb(); /*in order to force CPU ordering*/
760 	spin_unlock(&pm8001_ha->lock);
761 	task->task_done(task);
762 	spin_lock(&pm8001_ha->lock);
763 }
764 
765 #endif
766 
767