xref: /openbmc/linux/drivers/scsi/pm8001/pm8001_sas.h (revision 94d964e5)
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		"0.1.40"
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 
73 #define pm8001_info(HBA, fmt, ...)					\
74 	pr_info("%s:: %s  %d:" fmt,					\
75 		(HBA)->name, __func__, __LINE__, ##__VA_ARGS__)
76 
77 #define pm8001_dbg(HBA, level, fmt, ...)				\
78 do {									\
79 	if (unlikely((HBA)->logging_level & PM8001_##level##_LOGGING))	\
80 		pm8001_info(HBA, fmt, ##__VA_ARGS__);			\
81 } while (0)
82 
83 #define PM8001_USE_TASKLET
84 #define PM8001_USE_MSIX
85 #define PM8001_READ_VPD
86 
87 
88 #define IS_SPCV_12G(dev)	((dev->device == 0X8074)		\
89 				|| (dev->device == 0X8076)		\
90 				|| (dev->device == 0X8077)		\
91 				|| (dev->device == 0X8070)		\
92 				|| (dev->device == 0X8072))
93 
94 #define PM8001_NAME_LENGTH		32/* generic length of strings */
95 extern struct list_head hba_list;
96 extern const struct pm8001_dispatch pm8001_8001_dispatch;
97 extern const struct pm8001_dispatch pm8001_80xx_dispatch;
98 
99 struct pm8001_hba_info;
100 struct pm8001_ccb_info;
101 struct pm8001_device;
102 /* define task management IU */
103 struct pm8001_tmf_task {
104 	u8	tmf;
105 	u32	tag_of_task_to_be_managed;
106 };
107 struct pm8001_ioctl_payload {
108 	u32	signature;
109 	u16	major_function;
110 	u16	minor_function;
111 	u16	status;
112 	u16	offset;
113 	u16	id;
114 	u32	wr_length;
115 	u32	rd_length;
116 	u8	*func_specific;
117 };
118 
119 #define MPI_FATAL_ERROR_TABLE_OFFSET_MASK 0xFFFFFF
120 #define MPI_FATAL_ERROR_TABLE_SIZE(value) ((0xFF000000 & value) >> SHIFT24)
121 #define MPI_FATAL_EDUMP_TABLE_LO_OFFSET            0x00     /* HNFBUFL */
122 #define MPI_FATAL_EDUMP_TABLE_HI_OFFSET            0x04     /* HNFBUFH */
123 #define MPI_FATAL_EDUMP_TABLE_LENGTH               0x08     /* HNFBLEN */
124 #define MPI_FATAL_EDUMP_TABLE_HANDSHAKE            0x0C     /* FDDHSHK */
125 #define MPI_FATAL_EDUMP_TABLE_STATUS               0x10     /* FDDTSTAT */
126 #define MPI_FATAL_EDUMP_TABLE_ACCUM_LEN            0x14     /* ACCDDLEN */
127 #define MPI_FATAL_EDUMP_TABLE_TOTAL_LEN		   0x18	    /* TOTALLEN */
128 #define MPI_FATAL_EDUMP_TABLE_SIGNATURE		   0x1C     /* SIGNITURE */
129 #define MPI_FATAL_EDUMP_HANDSHAKE_RDY              0x1
130 #define MPI_FATAL_EDUMP_HANDSHAKE_BUSY             0x0
131 #define MPI_FATAL_EDUMP_TABLE_STAT_RSVD                 0x0
132 #define MPI_FATAL_EDUMP_TABLE_STAT_DMA_FAILED           0x1
133 #define MPI_FATAL_EDUMP_TABLE_STAT_NF_SUCCESS_MORE_DATA 0x2
134 #define MPI_FATAL_EDUMP_TABLE_STAT_NF_SUCCESS_DONE      0x3
135 #define TYPE_GSM_SPACE        1
136 #define TYPE_QUEUE            2
137 #define TYPE_FATAL            3
138 #define TYPE_NON_FATAL        4
139 #define TYPE_INBOUND          1
140 #define TYPE_OUTBOUND         2
141 struct forensic_data {
142 	u32  data_type;
143 	union {
144 		struct {
145 			u32  direct_len;
146 			u32  direct_offset;
147 			void  *direct_data;
148 		} gsm_buf;
149 		struct {
150 			u16  queue_type;
151 			u16  queue_index;
152 			u32  direct_len;
153 			void  *direct_data;
154 		} queue_buf;
155 		struct {
156 			u32  direct_len;
157 			u32  direct_offset;
158 			u32  read_len;
159 			void  *direct_data;
160 		} data_buf;
161 	};
162 };
163 
164 /* bit31-26 - mask bar */
165 #define SCRATCH_PAD0_BAR_MASK                    0xFC000000
166 /* bit25-0  - offset mask */
167 #define SCRATCH_PAD0_OFFSET_MASK                 0x03FFFFFF
168 /* if AAP error state */
169 #define SCRATCH_PAD0_AAPERR_MASK                 0xFFFFFFFF
170 /* Inbound doorbell bit7 */
171 #define SPCv_MSGU_CFG_TABLE_NONFATAL_DUMP	 0x80
172 /* Inbound doorbell bit7 SPCV */
173 #define SPCV_MSGU_CFG_TABLE_TRANSFER_DEBUG_INFO  0x80
174 #define MAIN_MERRDCTO_MERRDCES		         0xA0/* DWORD 0x28) */
175 
176 struct pm8001_dispatch {
177 	char *name;
178 	int (*chip_init)(struct pm8001_hba_info *pm8001_ha);
179 	int (*chip_soft_rst)(struct pm8001_hba_info *pm8001_ha);
180 	void (*chip_rst)(struct pm8001_hba_info *pm8001_ha);
181 	int (*chip_ioremap)(struct pm8001_hba_info *pm8001_ha);
182 	void (*chip_iounmap)(struct pm8001_hba_info *pm8001_ha);
183 	irqreturn_t (*isr)(struct pm8001_hba_info *pm8001_ha, u8 vec);
184 	u32 (*is_our_interrupt)(struct pm8001_hba_info *pm8001_ha);
185 	int (*isr_process_oq)(struct pm8001_hba_info *pm8001_ha, u8 vec);
186 	void (*interrupt_enable)(struct pm8001_hba_info *pm8001_ha, u8 vec);
187 	void (*interrupt_disable)(struct pm8001_hba_info *pm8001_ha, u8 vec);
188 	void (*make_prd)(struct scatterlist *scatter, int nr, void *prd);
189 	int (*smp_req)(struct pm8001_hba_info *pm8001_ha,
190 		struct pm8001_ccb_info *ccb);
191 	int (*ssp_io_req)(struct pm8001_hba_info *pm8001_ha,
192 		struct pm8001_ccb_info *ccb);
193 	int (*sata_req)(struct pm8001_hba_info *pm8001_ha,
194 		struct pm8001_ccb_info *ccb);
195 	int (*phy_start_req)(struct pm8001_hba_info *pm8001_ha,	u8 phy_id);
196 	int (*phy_stop_req)(struct pm8001_hba_info *pm8001_ha, u8 phy_id);
197 	int (*reg_dev_req)(struct pm8001_hba_info *pm8001_ha,
198 		struct pm8001_device *pm8001_dev, u32 flag);
199 	int (*dereg_dev_req)(struct pm8001_hba_info *pm8001_ha, u32 device_id);
200 	int (*phy_ctl_req)(struct pm8001_hba_info *pm8001_ha,
201 		u32 phy_id, u32 phy_op);
202 	int (*task_abort)(struct pm8001_hba_info *pm8001_ha,
203 		struct pm8001_device *pm8001_dev, u8 flag, u32 task_tag,
204 		u32 cmd_tag);
205 	int (*ssp_tm_req)(struct pm8001_hba_info *pm8001_ha,
206 		struct pm8001_ccb_info *ccb, struct pm8001_tmf_task *tmf);
207 	int (*get_nvmd_req)(struct pm8001_hba_info *pm8001_ha, void *payload);
208 	int (*set_nvmd_req)(struct pm8001_hba_info *pm8001_ha, void *payload);
209 	int (*fw_flash_update_req)(struct pm8001_hba_info *pm8001_ha,
210 		void *payload);
211 	int (*set_dev_state_req)(struct pm8001_hba_info *pm8001_ha,
212 		struct pm8001_device *pm8001_dev, u32 state);
213 	int (*sas_diag_start_end_req)(struct pm8001_hba_info *pm8001_ha,
214 		u32 state);
215 	int (*sas_diag_execute_req)(struct pm8001_hba_info *pm8001_ha,
216 		u32 state);
217 	int (*sas_re_init_req)(struct pm8001_hba_info *pm8001_ha);
218 	int (*fatal_errors)(struct pm8001_hba_info *pm8001_ha);
219 	void (*hw_event_ack_req)(struct pm8001_hba_info *pm8001_ha,
220 		u32 Qnum, u32 SEA, u32 port_id, u32 phyId, u32 param0,
221 		u32 param1);
222 };
223 
224 struct pm8001_chip_info {
225 	u32     encrypt;
226 	u32	n_phy;
227 	const struct pm8001_dispatch	*dispatch;
228 };
229 #define PM8001_CHIP_DISP	(pm8001_ha->chip->dispatch)
230 
231 struct pm8001_port {
232 	struct asd_sas_port	sas_port;
233 	u8			port_attached;
234 	u16			wide_port_phymap;
235 	u8			port_state;
236 	u8			port_id;
237 	struct list_head	list;
238 };
239 
240 struct pm8001_phy {
241 	struct pm8001_hba_info	*pm8001_ha;
242 	struct pm8001_port	*port;
243 	struct asd_sas_phy	sas_phy;
244 	struct sas_identify	identify;
245 	struct scsi_device	*sdev;
246 	u64			dev_sas_addr;
247 	u32			phy_type;
248 	struct completion	*enable_completion;
249 	u32			frame_rcvd_size;
250 	u8			frame_rcvd[32];
251 	u8			phy_attached;
252 	u8			phy_state;
253 	enum sas_linkrate	minimum_linkrate;
254 	enum sas_linkrate	maximum_linkrate;
255 	struct completion	*reset_completion;
256 	bool			port_reset_status;
257 	bool			reset_success;
258 };
259 
260 /* port reset status */
261 #define PORT_RESET_SUCCESS	0x00
262 #define PORT_RESET_TMO		0x01
263 
264 struct pm8001_device {
265 	enum sas_device_type	dev_type;
266 	struct domain_device	*sas_device;
267 	u32			attached_phy;
268 	u32			id;
269 	struct completion	*dcompletion;
270 	struct completion	*setds_completion;
271 	u32			device_id;
272 	atomic_t		running_req;
273 };
274 
275 struct pm8001_prd_imt {
276 	__le32			len;
277 	__le32			e;
278 };
279 
280 struct pm8001_prd {
281 	__le64			addr;		/* 64-bit buffer address */
282 	struct pm8001_prd_imt	im_len;		/* 64-bit length */
283 } __attribute__ ((packed));
284 /*
285  * CCB(Command Control Block)
286  */
287 struct pm8001_ccb_info {
288 	struct sas_task		*task;
289 	u32			n_elem;
290 	u32			ccb_tag;
291 	dma_addr_t		ccb_dma_handle;
292 	struct pm8001_device	*device;
293 	struct pm8001_prd	*buf_prd;
294 	struct fw_control_ex	*fw_control_context;
295 	u8			open_retry;
296 };
297 
298 struct mpi_mem {
299 	void			*virt_ptr;
300 	dma_addr_t		phys_addr;
301 	u32			phys_addr_hi;
302 	u32			phys_addr_lo;
303 	u32			total_len;
304 	u32			num_elements;
305 	u32			element_size;
306 	u32			alignment;
307 };
308 
309 struct mpi_mem_req {
310 	/* The number of element in the  mpiMemory array */
311 	u32			count;
312 	/* The array of structures that define memroy regions*/
313 	struct mpi_mem		region[USI_MAX_MEMCNT];
314 };
315 
316 struct encrypt {
317 	u32	cipher_mode;
318 	u32	sec_mode;
319 	u32	status;
320 	u32	flag;
321 };
322 
323 struct sas_phy_attribute_table {
324 	u32	phystart1_16[16];
325 	u32	outbound_hw_event_pid1_16[16];
326 };
327 
328 union main_cfg_table {
329 	struct {
330 	u32			signature;
331 	u32			interface_rev;
332 	u32			firmware_rev;
333 	u32			max_out_io;
334 	u32			max_sgl;
335 	u32			ctrl_cap_flag;
336 	u32			gst_offset;
337 	u32			inbound_queue_offset;
338 	u32			outbound_queue_offset;
339 	u32			inbound_q_nppd_hppd;
340 	u32			outbound_hw_event_pid0_3;
341 	u32			outbound_hw_event_pid4_7;
342 	u32			outbound_ncq_event_pid0_3;
343 	u32			outbound_ncq_event_pid4_7;
344 	u32			outbound_tgt_ITNexus_event_pid0_3;
345 	u32			outbound_tgt_ITNexus_event_pid4_7;
346 	u32			outbound_tgt_ssp_event_pid0_3;
347 	u32			outbound_tgt_ssp_event_pid4_7;
348 	u32			outbound_tgt_smp_event_pid0_3;
349 	u32			outbound_tgt_smp_event_pid4_7;
350 	u32			upper_event_log_addr;
351 	u32			lower_event_log_addr;
352 	u32			event_log_size;
353 	u32			event_log_option;
354 	u32			upper_iop_event_log_addr;
355 	u32			lower_iop_event_log_addr;
356 	u32			iop_event_log_size;
357 	u32			iop_event_log_option;
358 	u32			fatal_err_interrupt;
359 	u32			fatal_err_dump_offset0;
360 	u32			fatal_err_dump_length0;
361 	u32			fatal_err_dump_offset1;
362 	u32			fatal_err_dump_length1;
363 	u32			hda_mode_flag;
364 	u32			anolog_setup_table_offset;
365 	u32			rsvd[4];
366 	} pm8001_tbl;
367 
368 	struct {
369 	u32			signature;
370 	u32			interface_rev;
371 	u32			firmware_rev;
372 	u32			max_out_io;
373 	u32			max_sgl;
374 	u32			ctrl_cap_flag;
375 	u32			gst_offset;
376 	u32			inbound_queue_offset;
377 	u32			outbound_queue_offset;
378 	u32			inbound_q_nppd_hppd;
379 	u32			rsvd[8];
380 	u32			crc_core_dump;
381 	u32			rsvd1;
382 	u32			upper_event_log_addr;
383 	u32			lower_event_log_addr;
384 	u32			event_log_size;
385 	u32			event_log_severity;
386 	u32			upper_pcs_event_log_addr;
387 	u32			lower_pcs_event_log_addr;
388 	u32			pcs_event_log_size;
389 	u32			pcs_event_log_severity;
390 	u32			fatal_err_interrupt;
391 	u32			fatal_err_dump_offset0;
392 	u32			fatal_err_dump_length0;
393 	u32			fatal_err_dump_offset1;
394 	u32			fatal_err_dump_length1;
395 	u32			gpio_led_mapping;
396 	u32			analog_setup_table_offset;
397 	u32			int_vec_table_offset;
398 	u32			phy_attr_table_offset;
399 	u32			port_recovery_timer;
400 	u32			interrupt_reassertion_delay;
401 	u32			fatal_n_non_fatal_dump;	        /* 0x28 */
402 	u32			ila_version;
403 	u32			inc_fw_version;
404 	} pm80xx_tbl;
405 };
406 
407 union general_status_table {
408 	struct {
409 	u32			gst_len_mpistate;
410 	u32			iq_freeze_state0;
411 	u32			iq_freeze_state1;
412 	u32			msgu_tcnt;
413 	u32			iop_tcnt;
414 	u32			rsvd;
415 	u32			phy_state[8];
416 	u32			gpio_input_val;
417 	u32			rsvd1[2];
418 	u32			recover_err_info[8];
419 	} pm8001_tbl;
420 	struct {
421 	u32			gst_len_mpistate;
422 	u32			iq_freeze_state0;
423 	u32			iq_freeze_state1;
424 	u32			msgu_tcnt;
425 	u32			iop_tcnt;
426 	u32			rsvd[9];
427 	u32			gpio_input_val;
428 	u32			rsvd1[2];
429 	u32			recover_err_info[8];
430 	} pm80xx_tbl;
431 };
432 struct inbound_queue_table {
433 	u32			element_pri_size_cnt;
434 	u32			upper_base_addr;
435 	u32			lower_base_addr;
436 	u32			ci_upper_base_addr;
437 	u32			ci_lower_base_addr;
438 	u32			pi_pci_bar;
439 	u32			pi_offset;
440 	u32			total_length;
441 	void			*base_virt;
442 	void			*ci_virt;
443 	u32			reserved;
444 	__le32			consumer_index;
445 	u32			producer_idx;
446 	spinlock_t		iq_lock;
447 };
448 struct outbound_queue_table {
449 	u32			element_size_cnt;
450 	u32			upper_base_addr;
451 	u32			lower_base_addr;
452 	void			*base_virt;
453 	u32			pi_upper_base_addr;
454 	u32			pi_lower_base_addr;
455 	u32			ci_pci_bar;
456 	u32			ci_offset;
457 	u32			total_length;
458 	void			*pi_virt;
459 	u32			interrup_vec_cnt_delay;
460 	u32			dinterrup_to_pci_offset;
461 	__le32			producer_index;
462 	u32			consumer_idx;
463 	spinlock_t		oq_lock;
464 	unsigned long		lock_flags;
465 };
466 struct pm8001_hba_memspace {
467 	void __iomem  		*memvirtaddr;
468 	u64			membase;
469 	u32			memsize;
470 };
471 struct isr_param {
472 	struct pm8001_hba_info *drv_inst;
473 	u32 irq_id;
474 };
475 struct pm8001_hba_info {
476 	char			name[PM8001_NAME_LENGTH];
477 	struct list_head	list;
478 	unsigned long		flags;
479 	spinlock_t		lock;/* host-wide lock */
480 	spinlock_t		bitmap_lock;
481 	struct pci_dev		*pdev;/* our device */
482 	struct device		*dev;
483 	struct pm8001_hba_memspace io_mem[6];
484 	struct mpi_mem_req	memoryMap;
485 	struct encrypt		encrypt_info; /* support encryption */
486 	struct forensic_data	forensic_info;
487 	u32			fatal_bar_loc;
488 	u32			forensic_last_offset;
489 	u32			fatal_forensic_shift_offset;
490 	u32			forensic_fatal_step;
491 	u32			forensic_preserved_accumulated_transfer;
492 	u32			evtlog_ib_offset;
493 	u32			evtlog_ob_offset;
494 	void __iomem	*msg_unit_tbl_addr;/*Message Unit Table Addr*/
495 	void __iomem	*main_cfg_tbl_addr;/*Main Config Table Addr*/
496 	void __iomem	*general_stat_tbl_addr;/*General Status Table Addr*/
497 	void __iomem	*inbnd_q_tbl_addr;/*Inbound Queue Config Table Addr*/
498 	void __iomem	*outbnd_q_tbl_addr;/*Outbound Queue Config Table Addr*/
499 	void __iomem	*pspa_q_tbl_addr;
500 			/*MPI SAS PHY attributes Queue Config Table Addr*/
501 	void __iomem	*ivt_tbl_addr; /*MPI IVT Table Addr */
502 	void __iomem	*fatal_tbl_addr; /*MPI IVT Table Addr */
503 	union main_cfg_table	main_cfg_tbl;
504 	union general_status_table	gs_tbl;
505 	struct inbound_queue_table	inbnd_q_tbl[PM8001_MAX_INB_NUM];
506 	struct outbound_queue_table	outbnd_q_tbl[PM8001_MAX_OUTB_NUM];
507 	struct sas_phy_attribute_table	phy_attr_table;
508 					/* MPI SAS PHY attributes */
509 	u8			sas_addr[SAS_ADDR_SIZE];
510 	struct sas_ha_struct	*sas;/* SCSI/SAS glue */
511 	struct Scsi_Host	*shost;
512 	u32			chip_id;
513 	const struct pm8001_chip_info	*chip;
514 	struct completion	*nvmd_completion;
515 	int			tags_num;
516 	unsigned long		*tags;
517 	struct pm8001_phy	phy[PM8001_MAX_PHYS];
518 	struct pm8001_port	port[PM8001_MAX_PHYS];
519 	u32			id;
520 	u32			irq;
521 	u32			iomb_size; /* SPC and SPCV IOMB size */
522 	struct pm8001_device	*devices;
523 	struct pm8001_ccb_info	*ccb_info;
524 	u32			ccb_count;
525 #ifdef PM8001_USE_MSIX
526 	int			number_of_intr;/*will be used in remove()*/
527 	char			intr_drvname[PM8001_MAX_MSIX_VEC]
528 				[PM8001_NAME_LENGTH+1+3+1];
529 #endif
530 #ifdef PM8001_USE_TASKLET
531 	struct tasklet_struct	tasklet[PM8001_MAX_MSIX_VEC];
532 #endif
533 	u32			logging_level;
534 	u32			link_rate;
535 	u32			fw_status;
536 	u32			smp_exp_mode;
537 	bool			controller_fatal_error;
538 	const struct firmware 	*fw_image;
539 	struct isr_param irq_vector[PM8001_MAX_MSIX_VEC];
540 	u32			reset_in_progress;
541 	u32			non_fatal_count;
542 	u32			non_fatal_read_length;
543 	u32 max_q_num;
544 	u32 ib_offset;
545 	u32 ob_offset;
546 	u32 ci_offset;
547 	u32 pi_offset;
548 	u32 max_memcnt;
549 };
550 
551 struct pm8001_work {
552 	struct work_struct work;
553 	struct pm8001_hba_info *pm8001_ha;
554 	void *data;
555 	int handler;
556 };
557 
558 struct pm8001_fw_image_header {
559 	u8 vender_id[8];
560 	u8 product_id;
561 	u8 hardware_rev;
562 	u8 dest_partition;
563 	u8 reserved;
564 	u8 fw_rev[4];
565 	__be32  image_length;
566 	__be32 image_crc;
567 	__be32 startup_entry;
568 } __attribute__((packed, aligned(4)));
569 
570 
571 /**
572  * FW Flash Update status values
573  */
574 #define FLASH_UPDATE_COMPLETE_PENDING_REBOOT	0x00
575 #define FLASH_UPDATE_IN_PROGRESS		0x01
576 #define FLASH_UPDATE_HDR_ERR			0x02
577 #define FLASH_UPDATE_OFFSET_ERR			0x03
578 #define FLASH_UPDATE_CRC_ERR			0x04
579 #define FLASH_UPDATE_LENGTH_ERR			0x05
580 #define FLASH_UPDATE_HW_ERR			0x06
581 #define FLASH_UPDATE_DNLD_NOT_SUPPORTED		0x10
582 #define FLASH_UPDATE_DISABLED			0x11
583 
584 #define	NCQ_READ_LOG_FLAG			0x80000000
585 #define	NCQ_ABORT_ALL_FLAG			0x40000000
586 #define	NCQ_2ND_RLE_FLAG			0x20000000
587 
588 /* Device states */
589 #define DS_OPERATIONAL				0x01
590 #define DS_PORT_IN_RESET			0x02
591 #define DS_IN_RECOVERY				0x03
592 #define DS_IN_ERROR				0x04
593 #define DS_NON_OPERATIONAL			0x07
594 
595 /**
596  * brief param structure for firmware flash update.
597  */
598 struct fw_flash_updata_info {
599 	u32			cur_image_offset;
600 	u32			cur_image_len;
601 	u32			total_image_len;
602 	struct pm8001_prd	sgl;
603 };
604 
605 struct fw_control_info {
606 	u32			retcode;/*ret code (status)*/
607 	u32			phase;/*ret code phase*/
608 	u32			phaseCmplt;/*percent complete for the current
609 	update phase */
610 	u32			version;/*Hex encoded firmware version number*/
611 	u32			offset;/*Used for downloading firmware	*/
612 	u32			len; /*len of buffer*/
613 	u32			size;/* Used in OS VPD and Trace get size
614 	operations.*/
615 	u32			reserved;/* padding required for 64 bit
616 	alignment */
617 	u8			buffer[1];/* Start of buffer */
618 };
619 struct fw_control_ex {
620 	struct fw_control_info *fw_control;
621 	void			*buffer;/* keep buffer pointer to be
622 	freed when the response comes*/
623 	void			*virtAddr;/* keep virtual address of the data */
624 	void			*usrAddr;/* keep virtual address of the
625 	user data */
626 	dma_addr_t		phys_addr;
627 	u32			len; /* len of buffer  */
628 	void			*payload; /* pointer to IOCTL Payload */
629 	u8			inProgress;/*if 1 - the IOCTL request is in
630 	progress */
631 	void			*param1;
632 	void			*param2;
633 	void			*param3;
634 };
635 
636 /* pm8001 workqueue */
637 extern struct workqueue_struct *pm8001_wq;
638 
639 /******************** function prototype *********************/
640 int pm8001_tag_alloc(struct pm8001_hba_info *pm8001_ha, u32 *tag_out);
641 void pm8001_tag_init(struct pm8001_hba_info *pm8001_ha);
642 u32 pm8001_get_ncq_tag(struct sas_task *task, u32 *tag);
643 void pm8001_ccb_task_free(struct pm8001_hba_info *pm8001_ha,
644 	struct sas_task *task, struct pm8001_ccb_info *ccb, u32 ccb_idx);
645 int pm8001_phy_control(struct asd_sas_phy *sas_phy, enum phy_func func,
646 	void *funcdata);
647 void pm8001_scan_start(struct Scsi_Host *shost);
648 int pm8001_scan_finished(struct Scsi_Host *shost, unsigned long time);
649 int pm8001_queue_command(struct sas_task *task, gfp_t gfp_flags);
650 int pm8001_abort_task(struct sas_task *task);
651 int pm8001_abort_task_set(struct domain_device *dev, u8 *lun);
652 int pm8001_clear_aca(struct domain_device *dev, u8 *lun);
653 int pm8001_clear_task_set(struct domain_device *dev, u8 *lun);
654 int pm8001_dev_found(struct domain_device *dev);
655 void pm8001_dev_gone(struct domain_device *dev);
656 int pm8001_lu_reset(struct domain_device *dev, u8 *lun);
657 int pm8001_I_T_nexus_reset(struct domain_device *dev);
658 int pm8001_I_T_nexus_event_handler(struct domain_device *dev);
659 int pm8001_query_task(struct sas_task *task);
660 void pm8001_port_formed(struct asd_sas_phy *sas_phy);
661 void pm8001_open_reject_retry(
662 	struct pm8001_hba_info *pm8001_ha,
663 	struct sas_task *task_to_close,
664 	struct pm8001_device *device_to_close);
665 int pm8001_mem_alloc(struct pci_dev *pdev, void **virt_addr,
666 	dma_addr_t *pphys_addr, u32 *pphys_addr_hi, u32 *pphys_addr_lo,
667 	u32 mem_size, u32 align);
668 
669 void pm8001_chip_iounmap(struct pm8001_hba_info *pm8001_ha);
670 int pm8001_mpi_build_cmd(struct pm8001_hba_info *pm8001_ha,
671 			struct inbound_queue_table *circularQ,
672 			u32 opCode, void *payload, size_t nb,
673 			u32 responseQueue);
674 int pm8001_mpi_msg_free_get(struct inbound_queue_table *circularQ,
675 				u16 messageSize, void **messagePtr);
676 u32 pm8001_mpi_msg_free_set(struct pm8001_hba_info *pm8001_ha, void *pMsg,
677 			struct outbound_queue_table *circularQ, u8 bc);
678 u32 pm8001_mpi_msg_consume(struct pm8001_hba_info *pm8001_ha,
679 			struct outbound_queue_table *circularQ,
680 			void **messagePtr1, u8 *pBC);
681 int pm8001_chip_set_dev_state_req(struct pm8001_hba_info *pm8001_ha,
682 			struct pm8001_device *pm8001_dev, u32 state);
683 int pm8001_chip_fw_flash_update_req(struct pm8001_hba_info *pm8001_ha,
684 					void *payload);
685 int pm8001_chip_fw_flash_update_build(struct pm8001_hba_info *pm8001_ha,
686 					void *fw_flash_updata_info, u32 tag);
687 int pm8001_chip_set_nvmd_req(struct pm8001_hba_info *pm8001_ha, void *payload);
688 int pm8001_chip_get_nvmd_req(struct pm8001_hba_info *pm8001_ha, void *payload);
689 int pm8001_chip_ssp_tm_req(struct pm8001_hba_info *pm8001_ha,
690 				struct pm8001_ccb_info *ccb,
691 				struct pm8001_tmf_task *tmf);
692 int pm8001_chip_abort_task(struct pm8001_hba_info *pm8001_ha,
693 				struct pm8001_device *pm8001_dev,
694 				u8 flag, u32 task_tag, u32 cmd_tag);
695 int pm8001_chip_dereg_dev_req(struct pm8001_hba_info *pm8001_ha, u32 device_id);
696 void pm8001_chip_make_sg(struct scatterlist *scatter, int nr, void *prd);
697 void pm8001_work_fn(struct work_struct *work);
698 int pm8001_handle_event(struct pm8001_hba_info *pm8001_ha,
699 					void *data, int handler);
700 void pm8001_mpi_set_dev_state_resp(struct pm8001_hba_info *pm8001_ha,
701 							void *piomb);
702 void pm8001_mpi_set_nvmd_resp(struct pm8001_hba_info *pm8001_ha,
703 							void *piomb);
704 void pm8001_mpi_get_nvmd_resp(struct pm8001_hba_info *pm8001_ha,
705 							void *piomb);
706 int pm8001_mpi_local_phy_ctl(struct pm8001_hba_info *pm8001_ha,
707 							void *piomb);
708 void pm8001_get_lrate_mode(struct pm8001_phy *phy, u8 link_rate);
709 void pm8001_get_attached_sas_addr(struct pm8001_phy *phy, u8 *sas_addr);
710 void pm8001_bytes_dmaed(struct pm8001_hba_info *pm8001_ha, int i);
711 int pm8001_mpi_reg_resp(struct pm8001_hba_info *pm8001_ha, void *piomb);
712 int pm8001_mpi_dereg_resp(struct pm8001_hba_info *pm8001_ha, void *piomb);
713 int pm8001_mpi_fw_flash_update_resp(struct pm8001_hba_info *pm8001_ha,
714 							void *piomb);
715 int pm8001_mpi_general_event(struct pm8001_hba_info *pm8001_ha, void *piomb);
716 int pm8001_mpi_task_abort_resp(struct pm8001_hba_info *pm8001_ha, void *piomb);
717 struct sas_task *pm8001_alloc_task(void);
718 void pm8001_task_done(struct sas_task *task);
719 void pm8001_free_task(struct sas_task *task);
720 void pm8001_tag_free(struct pm8001_hba_info *pm8001_ha, u32 tag);
721 struct pm8001_device *pm8001_find_dev(struct pm8001_hba_info *pm8001_ha,
722 					u32 device_id);
723 int pm80xx_set_thermal_config(struct pm8001_hba_info *pm8001_ha);
724 
725 int pm8001_bar4_shift(struct pm8001_hba_info *pm8001_ha, u32 shiftValue);
726 void pm8001_set_phy_profile(struct pm8001_hba_info *pm8001_ha,
727 	u32 length, u8 *buf);
728 void pm8001_set_phy_profile_single(struct pm8001_hba_info *pm8001_ha,
729 		u32 phy, u32 length, u32 *buf);
730 int pm80xx_bar4_shift(struct pm8001_hba_info *pm8001_ha, u32 shiftValue);
731 ssize_t pm80xx_get_fatal_dump(struct device *cdev,
732 		struct device_attribute *attr, char *buf);
733 ssize_t pm80xx_get_non_fatal_dump(struct device *cdev,
734 		struct device_attribute *attr, char *buf);
735 ssize_t pm8001_get_gsm_dump(struct device *cdev, u32, char *buf);
736 int pm80xx_fatal_errors(struct pm8001_hba_info *pm8001_ha);
737 void pm8001_free_dev(struct pm8001_device *pm8001_dev);
738 /* ctl shared API */
739 extern const struct attribute_group *pm8001_host_groups[];
740 
741 static inline void
742 pm8001_ccb_task_free_done(struct pm8001_hba_info *pm8001_ha,
743 			struct sas_task *task, struct pm8001_ccb_info *ccb,
744 			u32 ccb_idx)
745 {
746 	pm8001_ccb_task_free(pm8001_ha, task, ccb, ccb_idx);
747 	smp_mb(); /*in order to force CPU ordering*/
748 	task->task_done(task);
749 }
750 
751 #endif
752 
753