xref: /linux/drivers/scsi/pm8001/pm8001_sas.h (revision 0a94608f0f7de9b1135ffea3546afe68eafef57f)
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 
103 struct pm8001_ioctl_payload {
104 	u32	signature;
105 	u16	major_function;
106 	u16	minor_function;
107 	u16	status;
108 	u16	offset;
109 	u16	id;
110 	u32	wr_length;
111 	u32	rd_length;
112 	u8	*func_specific;
113 };
114 
115 #define MPI_FATAL_ERROR_TABLE_OFFSET_MASK 0xFFFFFF
116 #define MPI_FATAL_ERROR_TABLE_SIZE(value) ((0xFF000000 & value) >> SHIFT24)
117 #define MPI_FATAL_EDUMP_TABLE_LO_OFFSET            0x00     /* HNFBUFL */
118 #define MPI_FATAL_EDUMP_TABLE_HI_OFFSET            0x04     /* HNFBUFH */
119 #define MPI_FATAL_EDUMP_TABLE_LENGTH               0x08     /* HNFBLEN */
120 #define MPI_FATAL_EDUMP_TABLE_HANDSHAKE            0x0C     /* FDDHSHK */
121 #define MPI_FATAL_EDUMP_TABLE_STATUS               0x10     /* FDDTSTAT */
122 #define MPI_FATAL_EDUMP_TABLE_ACCUM_LEN            0x14     /* ACCDDLEN */
123 #define MPI_FATAL_EDUMP_TABLE_TOTAL_LEN		   0x18	    /* TOTALLEN */
124 #define MPI_FATAL_EDUMP_TABLE_SIGNATURE		   0x1C     /* SIGNITURE */
125 #define MPI_FATAL_EDUMP_HANDSHAKE_RDY              0x1
126 #define MPI_FATAL_EDUMP_HANDSHAKE_BUSY             0x0
127 #define MPI_FATAL_EDUMP_TABLE_STAT_RSVD                 0x0
128 #define MPI_FATAL_EDUMP_TABLE_STAT_DMA_FAILED           0x1
129 #define MPI_FATAL_EDUMP_TABLE_STAT_NF_SUCCESS_MORE_DATA 0x2
130 #define MPI_FATAL_EDUMP_TABLE_STAT_NF_SUCCESS_DONE      0x3
131 #define TYPE_GSM_SPACE        1
132 #define TYPE_QUEUE            2
133 #define TYPE_FATAL            3
134 #define TYPE_NON_FATAL        4
135 #define TYPE_INBOUND          1
136 #define TYPE_OUTBOUND         2
137 struct forensic_data {
138 	u32  data_type;
139 	union {
140 		struct {
141 			u32  direct_len;
142 			u32  direct_offset;
143 			void  *direct_data;
144 		} gsm_buf;
145 		struct {
146 			u16  queue_type;
147 			u16  queue_index;
148 			u32  direct_len;
149 			void  *direct_data;
150 		} queue_buf;
151 		struct {
152 			u32  direct_len;
153 			u32  direct_offset;
154 			u32  read_len;
155 			void  *direct_data;
156 		} data_buf;
157 	};
158 };
159 
160 /* bit31-26 - mask bar */
161 #define SCRATCH_PAD0_BAR_MASK                    0xFC000000
162 /* bit25-0  - offset mask */
163 #define SCRATCH_PAD0_OFFSET_MASK                 0x03FFFFFF
164 /* if AAP error state */
165 #define SCRATCH_PAD0_AAPERR_MASK                 0xFFFFFFFF
166 /* Inbound doorbell bit7 */
167 #define SPCv_MSGU_CFG_TABLE_NONFATAL_DUMP	 0x80
168 /* Inbound doorbell bit7 SPCV */
169 #define SPCV_MSGU_CFG_TABLE_TRANSFER_DEBUG_INFO  0x80
170 #define MAIN_MERRDCTO_MERRDCES		         0xA0/* DWORD 0x28) */
171 
172 struct pm8001_dispatch {
173 	char *name;
174 	int (*chip_init)(struct pm8001_hba_info *pm8001_ha);
175 	int (*chip_soft_rst)(struct pm8001_hba_info *pm8001_ha);
176 	void (*chip_rst)(struct pm8001_hba_info *pm8001_ha);
177 	int (*chip_ioremap)(struct pm8001_hba_info *pm8001_ha);
178 	void (*chip_iounmap)(struct pm8001_hba_info *pm8001_ha);
179 	irqreturn_t (*isr)(struct pm8001_hba_info *pm8001_ha, u8 vec);
180 	u32 (*is_our_interrupt)(struct pm8001_hba_info *pm8001_ha);
181 	int (*isr_process_oq)(struct pm8001_hba_info *pm8001_ha, u8 vec);
182 	void (*interrupt_enable)(struct pm8001_hba_info *pm8001_ha, u8 vec);
183 	void (*interrupt_disable)(struct pm8001_hba_info *pm8001_ha, u8 vec);
184 	void (*make_prd)(struct scatterlist *scatter, int nr, void *prd);
185 	int (*smp_req)(struct pm8001_hba_info *pm8001_ha,
186 		struct pm8001_ccb_info *ccb);
187 	int (*ssp_io_req)(struct pm8001_hba_info *pm8001_ha,
188 		struct pm8001_ccb_info *ccb);
189 	int (*sata_req)(struct pm8001_hba_info *pm8001_ha,
190 		struct pm8001_ccb_info *ccb);
191 	int (*phy_start_req)(struct pm8001_hba_info *pm8001_ha,	u8 phy_id);
192 	int (*phy_stop_req)(struct pm8001_hba_info *pm8001_ha, u8 phy_id);
193 	int (*reg_dev_req)(struct pm8001_hba_info *pm8001_ha,
194 		struct pm8001_device *pm8001_dev, u32 flag);
195 	int (*dereg_dev_req)(struct pm8001_hba_info *pm8001_ha, u32 device_id);
196 	int (*phy_ctl_req)(struct pm8001_hba_info *pm8001_ha,
197 		u32 phy_id, u32 phy_op);
198 	int (*task_abort)(struct pm8001_hba_info *pm8001_ha,
199 		struct pm8001_ccb_info *ccb);
200 	int (*ssp_tm_req)(struct pm8001_hba_info *pm8001_ha,
201 		struct pm8001_ccb_info *ccb, struct sas_tmf_task *tmf);
202 	int (*get_nvmd_req)(struct pm8001_hba_info *pm8001_ha, void *payload);
203 	int (*set_nvmd_req)(struct pm8001_hba_info *pm8001_ha, void *payload);
204 	int (*fw_flash_update_req)(struct pm8001_hba_info *pm8001_ha,
205 		void *payload);
206 	int (*set_dev_state_req)(struct pm8001_hba_info *pm8001_ha,
207 		struct pm8001_device *pm8001_dev, u32 state);
208 	int (*sas_diag_start_end_req)(struct pm8001_hba_info *pm8001_ha,
209 		u32 state);
210 	int (*sas_diag_execute_req)(struct pm8001_hba_info *pm8001_ha,
211 		u32 state);
212 	int (*sas_re_init_req)(struct pm8001_hba_info *pm8001_ha);
213 	int (*fatal_errors)(struct pm8001_hba_info *pm8001_ha);
214 	void (*hw_event_ack_req)(struct pm8001_hba_info *pm8001_ha,
215 		u32 Qnum, u32 SEA, u32 port_id, u32 phyId, u32 param0,
216 		u32 param1);
217 };
218 
219 struct pm8001_chip_info {
220 	u32     encrypt;
221 	u32	n_phy;
222 	const struct pm8001_dispatch	*dispatch;
223 };
224 #define PM8001_CHIP_DISP	(pm8001_ha->chip->dispatch)
225 
226 struct pm8001_port {
227 	struct asd_sas_port	sas_port;
228 	u8			port_attached;
229 	u16			wide_port_phymap;
230 	u8			port_state;
231 	u8			port_id;
232 	struct list_head	list;
233 };
234 
235 struct pm8001_phy {
236 	struct pm8001_hba_info	*pm8001_ha;
237 	struct pm8001_port	*port;
238 	struct asd_sas_phy	sas_phy;
239 	struct sas_identify	identify;
240 	struct scsi_device	*sdev;
241 	u64			dev_sas_addr;
242 	u32			phy_type;
243 	struct completion	*enable_completion;
244 	u32			frame_rcvd_size;
245 	u8			frame_rcvd[32];
246 	u8			phy_attached;
247 	u8			phy_state;
248 	enum sas_linkrate	minimum_linkrate;
249 	enum sas_linkrate	maximum_linkrate;
250 	struct completion	*reset_completion;
251 	bool			port_reset_status;
252 	bool			reset_success;
253 };
254 
255 /* port reset status */
256 #define PORT_RESET_SUCCESS	0x00
257 #define PORT_RESET_TMO		0x01
258 
259 struct pm8001_device {
260 	enum sas_device_type	dev_type;
261 	struct domain_device	*sas_device;
262 	u32			attached_phy;
263 	u32			id;
264 	struct completion	*dcompletion;
265 	struct completion	*setds_completion;
266 	u32			device_id;
267 	atomic_t		running_req;
268 };
269 
270 struct pm8001_prd_imt {
271 	__le32			len;
272 	__le32			e;
273 };
274 
275 struct pm8001_prd {
276 	__le64			addr;		/* 64-bit buffer address */
277 	struct pm8001_prd_imt	im_len;		/* 64-bit length */
278 } __attribute__ ((packed));
279 /*
280  * CCB(Command Control Block)
281  */
282 struct pm8001_ccb_info {
283 	struct sas_task		*task;
284 	u32			n_elem;
285 	u32			ccb_tag;
286 	dma_addr_t		ccb_dma_handle;
287 	struct pm8001_device	*device;
288 	struct pm8001_prd	*buf_prd;
289 	struct fw_control_ex	*fw_control_context;
290 	u8			open_retry;
291 };
292 
293 struct mpi_mem {
294 	void			*virt_ptr;
295 	dma_addr_t		phys_addr;
296 	u32			phys_addr_hi;
297 	u32			phys_addr_lo;
298 	u32			total_len;
299 	u32			num_elements;
300 	u32			element_size;
301 	u32			alignment;
302 };
303 
304 struct mpi_mem_req {
305 	/* The number of element in the  mpiMemory array */
306 	u32			count;
307 	/* The array of structures that define memroy regions*/
308 	struct mpi_mem		region[USI_MAX_MEMCNT];
309 };
310 
311 struct encrypt {
312 	u32	cipher_mode;
313 	u32	sec_mode;
314 	u32	status;
315 	u32	flag;
316 };
317 
318 struct sas_phy_attribute_table {
319 	u32	phystart1_16[16];
320 	u32	outbound_hw_event_pid1_16[16];
321 };
322 
323 union main_cfg_table {
324 	struct {
325 	u32			signature;
326 	u32			interface_rev;
327 	u32			firmware_rev;
328 	u32			max_out_io;
329 	u32			max_sgl;
330 	u32			ctrl_cap_flag;
331 	u32			gst_offset;
332 	u32			inbound_queue_offset;
333 	u32			outbound_queue_offset;
334 	u32			inbound_q_nppd_hppd;
335 	u32			outbound_hw_event_pid0_3;
336 	u32			outbound_hw_event_pid4_7;
337 	u32			outbound_ncq_event_pid0_3;
338 	u32			outbound_ncq_event_pid4_7;
339 	u32			outbound_tgt_ITNexus_event_pid0_3;
340 	u32			outbound_tgt_ITNexus_event_pid4_7;
341 	u32			outbound_tgt_ssp_event_pid0_3;
342 	u32			outbound_tgt_ssp_event_pid4_7;
343 	u32			outbound_tgt_smp_event_pid0_3;
344 	u32			outbound_tgt_smp_event_pid4_7;
345 	u32			upper_event_log_addr;
346 	u32			lower_event_log_addr;
347 	u32			event_log_size;
348 	u32			event_log_option;
349 	u32			upper_iop_event_log_addr;
350 	u32			lower_iop_event_log_addr;
351 	u32			iop_event_log_size;
352 	u32			iop_event_log_option;
353 	u32			fatal_err_interrupt;
354 	u32			fatal_err_dump_offset0;
355 	u32			fatal_err_dump_length0;
356 	u32			fatal_err_dump_offset1;
357 	u32			fatal_err_dump_length1;
358 	u32			hda_mode_flag;
359 	u32			anolog_setup_table_offset;
360 	u32			rsvd[4];
361 	} pm8001_tbl;
362 
363 	struct {
364 	u32			signature;
365 	u32			interface_rev;
366 	u32			firmware_rev;
367 	u32			max_out_io;
368 	u32			max_sgl;
369 	u32			ctrl_cap_flag;
370 	u32			gst_offset;
371 	u32			inbound_queue_offset;
372 	u32			outbound_queue_offset;
373 	u32			inbound_q_nppd_hppd;
374 	u32			rsvd[8];
375 	u32			crc_core_dump;
376 	u32			rsvd1;
377 	u32			upper_event_log_addr;
378 	u32			lower_event_log_addr;
379 	u32			event_log_size;
380 	u32			event_log_severity;
381 	u32			upper_pcs_event_log_addr;
382 	u32			lower_pcs_event_log_addr;
383 	u32			pcs_event_log_size;
384 	u32			pcs_event_log_severity;
385 	u32			fatal_err_interrupt;
386 	u32			fatal_err_dump_offset0;
387 	u32			fatal_err_dump_length0;
388 	u32			fatal_err_dump_offset1;
389 	u32			fatal_err_dump_length1;
390 	u32			gpio_led_mapping;
391 	u32			analog_setup_table_offset;
392 	u32			int_vec_table_offset;
393 	u32			phy_attr_table_offset;
394 	u32			port_recovery_timer;
395 	u32			interrupt_reassertion_delay;
396 	u32			fatal_n_non_fatal_dump;	        /* 0x28 */
397 	u32			ila_version;
398 	u32			inc_fw_version;
399 	} pm80xx_tbl;
400 };
401 
402 union general_status_table {
403 	struct {
404 	u32			gst_len_mpistate;
405 	u32			iq_freeze_state0;
406 	u32			iq_freeze_state1;
407 	u32			msgu_tcnt;
408 	u32			iop_tcnt;
409 	u32			rsvd;
410 	u32			phy_state[8];
411 	u32			gpio_input_val;
412 	u32			rsvd1[2];
413 	u32			recover_err_info[8];
414 	} pm8001_tbl;
415 	struct {
416 	u32			gst_len_mpistate;
417 	u32			iq_freeze_state0;
418 	u32			iq_freeze_state1;
419 	u32			msgu_tcnt;
420 	u32			iop_tcnt;
421 	u32			rsvd[9];
422 	u32			gpio_input_val;
423 	u32			rsvd1[2];
424 	u32			recover_err_info[8];
425 	} pm80xx_tbl;
426 };
427 struct inbound_queue_table {
428 	u32			element_pri_size_cnt;
429 	u32			upper_base_addr;
430 	u32			lower_base_addr;
431 	u32			ci_upper_base_addr;
432 	u32			ci_lower_base_addr;
433 	u32			pi_pci_bar;
434 	u32			pi_offset;
435 	u32			total_length;
436 	void			*base_virt;
437 	void			*ci_virt;
438 	u32			reserved;
439 	__le32			consumer_index;
440 	u32			producer_idx;
441 	spinlock_t		iq_lock;
442 };
443 struct outbound_queue_table {
444 	u32			element_size_cnt;
445 	u32			upper_base_addr;
446 	u32			lower_base_addr;
447 	void			*base_virt;
448 	u32			pi_upper_base_addr;
449 	u32			pi_lower_base_addr;
450 	u32			ci_pci_bar;
451 	u32			ci_offset;
452 	u32			total_length;
453 	void			*pi_virt;
454 	u32			interrup_vec_cnt_delay;
455 	u32			dinterrup_to_pci_offset;
456 	__le32			producer_index;
457 	u32			consumer_idx;
458 	spinlock_t		oq_lock;
459 	unsigned long		lock_flags;
460 };
461 struct pm8001_hba_memspace {
462 	void __iomem  		*memvirtaddr;
463 	u64			membase;
464 	u32			memsize;
465 };
466 struct isr_param {
467 	struct pm8001_hba_info *drv_inst;
468 	u32 irq_id;
469 };
470 struct pm8001_hba_info {
471 	char			name[PM8001_NAME_LENGTH];
472 	struct list_head	list;
473 	unsigned long		flags;
474 	spinlock_t		lock;/* host-wide lock */
475 	spinlock_t		bitmap_lock;
476 	struct pci_dev		*pdev;/* our device */
477 	struct device		*dev;
478 	struct pm8001_hba_memspace io_mem[6];
479 	struct mpi_mem_req	memoryMap;
480 	struct encrypt		encrypt_info; /* support encryption */
481 	struct forensic_data	forensic_info;
482 	u32			fatal_bar_loc;
483 	u32			forensic_last_offset;
484 	u32			fatal_forensic_shift_offset;
485 	u32			forensic_fatal_step;
486 	u32			forensic_preserved_accumulated_transfer;
487 	u32			evtlog_ib_offset;
488 	u32			evtlog_ob_offset;
489 	void __iomem	*msg_unit_tbl_addr;/*Message Unit Table Addr*/
490 	void __iomem	*main_cfg_tbl_addr;/*Main Config Table Addr*/
491 	void __iomem	*general_stat_tbl_addr;/*General Status Table Addr*/
492 	void __iomem	*inbnd_q_tbl_addr;/*Inbound Queue Config Table Addr*/
493 	void __iomem	*outbnd_q_tbl_addr;/*Outbound Queue Config Table Addr*/
494 	void __iomem	*pspa_q_tbl_addr;
495 			/*MPI SAS PHY attributes Queue Config Table Addr*/
496 	void __iomem	*ivt_tbl_addr; /*MPI IVT Table Addr */
497 	void __iomem	*fatal_tbl_addr; /*MPI IVT Table Addr */
498 	union main_cfg_table	main_cfg_tbl;
499 	union general_status_table	gs_tbl;
500 	struct inbound_queue_table	inbnd_q_tbl[PM8001_MAX_INB_NUM];
501 	struct outbound_queue_table	outbnd_q_tbl[PM8001_MAX_OUTB_NUM];
502 	struct sas_phy_attribute_table	phy_attr_table;
503 					/* MPI SAS PHY attributes */
504 	u8			sas_addr[SAS_ADDR_SIZE];
505 	struct sas_ha_struct	*sas;/* SCSI/SAS glue */
506 	struct Scsi_Host	*shost;
507 	u32			chip_id;
508 	const struct pm8001_chip_info	*chip;
509 	struct completion	*nvmd_completion;
510 	int			tags_num;
511 	unsigned long		*tags;
512 	struct pm8001_phy	phy[PM8001_MAX_PHYS];
513 	struct pm8001_port	port[PM8001_MAX_PHYS];
514 	u32			id;
515 	u32			irq;
516 	u32			iomb_size; /* SPC and SPCV IOMB size */
517 	struct pm8001_device	*devices;
518 	struct pm8001_ccb_info	*ccb_info;
519 	u32			ccb_count;
520 #ifdef PM8001_USE_MSIX
521 	int			number_of_intr;/*will be used in remove()*/
522 	char			intr_drvname[PM8001_MAX_MSIX_VEC]
523 				[PM8001_NAME_LENGTH+1+3+1];
524 #endif
525 #ifdef PM8001_USE_TASKLET
526 	struct tasklet_struct	tasklet[PM8001_MAX_MSIX_VEC];
527 #endif
528 	u32			logging_level;
529 	u32			link_rate;
530 	u32			fw_status;
531 	u32			smp_exp_mode;
532 	bool			controller_fatal_error;
533 	const struct firmware 	*fw_image;
534 	struct isr_param irq_vector[PM8001_MAX_MSIX_VEC];
535 	u32			reset_in_progress;
536 	u32			non_fatal_count;
537 	u32			non_fatal_read_length;
538 	u32 max_q_num;
539 	u32 ib_offset;
540 	u32 ob_offset;
541 	u32 ci_offset;
542 	u32 pi_offset;
543 	u32 max_memcnt;
544 };
545 
546 struct pm8001_work {
547 	struct work_struct work;
548 	struct pm8001_hba_info *pm8001_ha;
549 	void *data;
550 	int handler;
551 };
552 
553 struct pm8001_fw_image_header {
554 	u8 vender_id[8];
555 	u8 product_id;
556 	u8 hardware_rev;
557 	u8 dest_partition;
558 	u8 reserved;
559 	u8 fw_rev[4];
560 	__be32  image_length;
561 	__be32 image_crc;
562 	__be32 startup_entry;
563 } __attribute__((packed, aligned(4)));
564 
565 
566 /**
567  * FW Flash Update status values
568  */
569 #define FLASH_UPDATE_COMPLETE_PENDING_REBOOT	0x00
570 #define FLASH_UPDATE_IN_PROGRESS		0x01
571 #define FLASH_UPDATE_HDR_ERR			0x02
572 #define FLASH_UPDATE_OFFSET_ERR			0x03
573 #define FLASH_UPDATE_CRC_ERR			0x04
574 #define FLASH_UPDATE_LENGTH_ERR			0x05
575 #define FLASH_UPDATE_HW_ERR			0x06
576 #define FLASH_UPDATE_DNLD_NOT_SUPPORTED		0x10
577 #define FLASH_UPDATE_DISABLED			0x11
578 
579 #define	NCQ_READ_LOG_FLAG			0x80000000
580 #define	NCQ_ABORT_ALL_FLAG			0x40000000
581 #define	NCQ_2ND_RLE_FLAG			0x20000000
582 
583 /* Device states */
584 #define DS_OPERATIONAL				0x01
585 #define DS_PORT_IN_RESET			0x02
586 #define DS_IN_RECOVERY				0x03
587 #define DS_IN_ERROR				0x04
588 #define DS_NON_OPERATIONAL			0x07
589 
590 /**
591  * brief param structure for firmware flash update.
592  */
593 struct fw_flash_updata_info {
594 	u32			cur_image_offset;
595 	u32			cur_image_len;
596 	u32			total_image_len;
597 	struct pm8001_prd	sgl;
598 };
599 
600 struct fw_control_info {
601 	u32			retcode;/*ret code (status)*/
602 	u32			phase;/*ret code phase*/
603 	u32			phaseCmplt;/*percent complete for the current
604 	update phase */
605 	u32			version;/*Hex encoded firmware version number*/
606 	u32			offset;/*Used for downloading firmware	*/
607 	u32			len; /*len of buffer*/
608 	u32			size;/* Used in OS VPD and Trace get size
609 	operations.*/
610 	u32			reserved;/* padding required for 64 bit
611 	alignment */
612 	u8			buffer[1];/* Start of buffer */
613 };
614 struct fw_control_ex {
615 	struct fw_control_info *fw_control;
616 	void			*buffer;/* keep buffer pointer to be
617 	freed when the response comes*/
618 	void			*virtAddr;/* keep virtual address of the data */
619 	void			*usrAddr;/* keep virtual address of the
620 	user data */
621 	dma_addr_t		phys_addr;
622 	u32			len; /* len of buffer  */
623 	void			*payload; /* pointer to IOCTL Payload */
624 	u8			inProgress;/*if 1 - the IOCTL request is in
625 	progress */
626 	void			*param1;
627 	void			*param2;
628 	void			*param3;
629 };
630 
631 /* pm8001 workqueue */
632 extern struct workqueue_struct *pm8001_wq;
633 
634 /******************** function prototype *********************/
635 int pm8001_tag_alloc(struct pm8001_hba_info *pm8001_ha, u32 *tag_out);
636 void pm8001_tag_init(struct pm8001_hba_info *pm8001_ha);
637 u32 pm8001_get_ncq_tag(struct sas_task *task, u32 *tag);
638 void pm8001_ccb_task_free(struct pm8001_hba_info *pm8001_ha,
639 			  struct pm8001_ccb_info *ccb);
640 int pm8001_phy_control(struct asd_sas_phy *sas_phy, enum phy_func func,
641 	void *funcdata);
642 void pm8001_scan_start(struct Scsi_Host *shost);
643 int pm8001_scan_finished(struct Scsi_Host *shost, unsigned long time);
644 int pm8001_queue_command(struct sas_task *task, gfp_t gfp_flags);
645 int pm8001_abort_task(struct sas_task *task);
646 int pm8001_clear_task_set(struct domain_device *dev, u8 *lun);
647 int pm8001_dev_found(struct domain_device *dev);
648 void pm8001_dev_gone(struct domain_device *dev);
649 int pm8001_lu_reset(struct domain_device *dev, u8 *lun);
650 int pm8001_I_T_nexus_reset(struct domain_device *dev);
651 int pm8001_I_T_nexus_event_handler(struct domain_device *dev);
652 int pm8001_query_task(struct sas_task *task);
653 void pm8001_port_formed(struct asd_sas_phy *sas_phy);
654 void pm8001_open_reject_retry(
655 	struct pm8001_hba_info *pm8001_ha,
656 	struct sas_task *task_to_close,
657 	struct pm8001_device *device_to_close);
658 int pm8001_mem_alloc(struct pci_dev *pdev, void **virt_addr,
659 	dma_addr_t *pphys_addr, u32 *pphys_addr_hi, u32 *pphys_addr_lo,
660 	u32 mem_size, u32 align);
661 
662 void pm8001_chip_iounmap(struct pm8001_hba_info *pm8001_ha);
663 int pm8001_mpi_build_cmd(struct pm8001_hba_info *pm8001_ha,
664 			u32 q_index, u32 opCode, void *payload, size_t nb,
665 			u32 responseQueue);
666 int pm8001_mpi_msg_free_get(struct inbound_queue_table *circularQ,
667 				u16 messageSize, void **messagePtr);
668 u32 pm8001_mpi_msg_free_set(struct pm8001_hba_info *pm8001_ha, void *pMsg,
669 			struct outbound_queue_table *circularQ, u8 bc);
670 u32 pm8001_mpi_msg_consume(struct pm8001_hba_info *pm8001_ha,
671 			struct outbound_queue_table *circularQ,
672 			void **messagePtr1, u8 *pBC);
673 int pm8001_chip_set_dev_state_req(struct pm8001_hba_info *pm8001_ha,
674 			struct pm8001_device *pm8001_dev, u32 state);
675 int pm8001_chip_fw_flash_update_req(struct pm8001_hba_info *pm8001_ha,
676 					void *payload);
677 int pm8001_chip_fw_flash_update_build(struct pm8001_hba_info *pm8001_ha,
678 					void *fw_flash_updata_info, u32 tag);
679 int pm8001_chip_set_nvmd_req(struct pm8001_hba_info *pm8001_ha, void *payload);
680 int pm8001_chip_get_nvmd_req(struct pm8001_hba_info *pm8001_ha, void *payload);
681 int pm8001_chip_ssp_tm_req(struct pm8001_hba_info *pm8001_ha,
682 				struct pm8001_ccb_info *ccb,
683 				struct sas_tmf_task *tmf);
684 int pm8001_chip_abort_task(struct pm8001_hba_info *pm8001_ha,
685 				struct pm8001_ccb_info *ccb);
686 int pm8001_chip_dereg_dev_req(struct pm8001_hba_info *pm8001_ha, u32 device_id);
687 void pm8001_chip_make_sg(struct scatterlist *scatter, int nr, void *prd);
688 void pm8001_work_fn(struct work_struct *work);
689 int pm8001_handle_event(struct pm8001_hba_info *pm8001_ha,
690 					void *data, int handler);
691 void pm8001_mpi_set_dev_state_resp(struct pm8001_hba_info *pm8001_ha,
692 							void *piomb);
693 void pm8001_mpi_set_nvmd_resp(struct pm8001_hba_info *pm8001_ha,
694 							void *piomb);
695 void pm8001_mpi_get_nvmd_resp(struct pm8001_hba_info *pm8001_ha,
696 							void *piomb);
697 int pm8001_mpi_local_phy_ctl(struct pm8001_hba_info *pm8001_ha,
698 							void *piomb);
699 void pm8001_get_lrate_mode(struct pm8001_phy *phy, u8 link_rate);
700 void pm8001_get_attached_sas_addr(struct pm8001_phy *phy, u8 *sas_addr);
701 void pm8001_bytes_dmaed(struct pm8001_hba_info *pm8001_ha, int i);
702 int pm8001_mpi_reg_resp(struct pm8001_hba_info *pm8001_ha, void *piomb);
703 int pm8001_mpi_dereg_resp(struct pm8001_hba_info *pm8001_ha, void *piomb);
704 int pm8001_mpi_fw_flash_update_resp(struct pm8001_hba_info *pm8001_ha,
705 							void *piomb);
706 int pm8001_mpi_general_event(struct pm8001_hba_info *pm8001_ha, void *piomb);
707 int pm8001_mpi_task_abort_resp(struct pm8001_hba_info *pm8001_ha, void *piomb);
708 struct sas_task *pm8001_alloc_task(void);
709 void pm8001_task_done(struct sas_task *task);
710 void pm8001_free_task(struct sas_task *task);
711 void pm8001_tag_free(struct pm8001_hba_info *pm8001_ha, u32 tag);
712 struct pm8001_device *pm8001_find_dev(struct pm8001_hba_info *pm8001_ha,
713 					u32 device_id);
714 int pm80xx_set_thermal_config(struct pm8001_hba_info *pm8001_ha);
715 
716 int pm8001_bar4_shift(struct pm8001_hba_info *pm8001_ha, u32 shiftValue);
717 void pm8001_set_phy_profile(struct pm8001_hba_info *pm8001_ha,
718 	u32 length, u8 *buf);
719 void pm8001_set_phy_profile_single(struct pm8001_hba_info *pm8001_ha,
720 		u32 phy, u32 length, u32 *buf);
721 int pm80xx_bar4_shift(struct pm8001_hba_info *pm8001_ha, u32 shiftValue);
722 ssize_t pm80xx_get_fatal_dump(struct device *cdev,
723 		struct device_attribute *attr, char *buf);
724 ssize_t pm80xx_get_non_fatal_dump(struct device *cdev,
725 		struct device_attribute *attr, char *buf);
726 ssize_t pm8001_get_gsm_dump(struct device *cdev, u32, char *buf);
727 int pm80xx_fatal_errors(struct pm8001_hba_info *pm8001_ha);
728 void pm8001_free_dev(struct pm8001_device *pm8001_dev);
729 /* ctl shared API */
730 extern const struct attribute_group *pm8001_host_groups[];
731 
732 #define PM8001_INVALID_TAG	((u32)-1)
733 
734 /*
735  * Allocate a new tag and return the corresponding ccb after initializing it.
736  */
737 static inline struct pm8001_ccb_info *
738 pm8001_ccb_alloc(struct pm8001_hba_info *pm8001_ha,
739 		 struct pm8001_device *dev, struct sas_task *task)
740 {
741 	struct pm8001_ccb_info *ccb;
742 	u32 tag;
743 
744 	if (pm8001_tag_alloc(pm8001_ha, &tag)) {
745 		pm8001_dbg(pm8001_ha, FAIL, "Failed to allocate a tag\n");
746 		return NULL;
747 	}
748 
749 	ccb = &pm8001_ha->ccb_info[tag];
750 	ccb->task = task;
751 	ccb->n_elem = 0;
752 	ccb->ccb_tag = tag;
753 	ccb->device = dev;
754 	ccb->fw_control_context = NULL;
755 	ccb->open_retry = 0;
756 
757 	return ccb;
758 }
759 
760 /*
761  * Free the tag of an initialized ccb.
762  */
763 static inline void pm8001_ccb_free(struct pm8001_hba_info *pm8001_ha,
764 				   struct pm8001_ccb_info *ccb)
765 {
766 	u32 tag = ccb->ccb_tag;
767 
768 	/*
769 	 * Cleanup the ccb to make sure that a manual scan of the adapter
770 	 * ccb_info array can detect ccb's that are in use.
771 	 * C.f. pm8001_open_reject_retry()
772 	 */
773 	ccb->task = NULL;
774 	ccb->ccb_tag = PM8001_INVALID_TAG;
775 	ccb->device = NULL;
776 	ccb->fw_control_context = NULL;
777 
778 	pm8001_tag_free(pm8001_ha, tag);
779 }
780 
781 static inline void pm8001_ccb_task_free_done(struct pm8001_hba_info *pm8001_ha,
782 					     struct pm8001_ccb_info *ccb)
783 {
784 	struct sas_task *task = ccb->task;
785 
786 	pm8001_ccb_task_free(pm8001_ha, ccb);
787 	smp_mb(); /*in order to force CPU ordering*/
788 	task->task_done(task);
789 }
790 void pm8001_setds_completion(struct domain_device *dev);
791 void pm8001_tmf_aborted(struct sas_task *task);
792 
793 #endif
794 
795