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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 <linux/blk-mq.h>
59 #include <linux/blk-mq-pci.h>
60 #include "pm8001_defs.h"
61 
62 #define DRV_NAME		"pm80xx"
63 #define DRV_VERSION		"0.1.40"
64 #define PM8001_FAIL_LOGGING	0x01 /* Error message logging */
65 #define PM8001_INIT_LOGGING	0x02 /* driver init logging */
66 #define PM8001_DISC_LOGGING	0x04 /* discovery layer logging */
67 #define PM8001_IO_LOGGING	0x08 /* I/O path logging */
68 #define PM8001_EH_LOGGING	0x10 /* libsas EH function logging*/
69 #define PM8001_IOCTL_LOGGING	0x20 /* IOCTL message logging */
70 #define PM8001_MSG_LOGGING	0x40 /* misc message logging */
71 #define PM8001_DEV_LOGGING	0x80 /* development message logging */
72 #define PM8001_DEVIO_LOGGING	0x100 /* development io message logging */
73 #define PM8001_IOERR_LOGGING	0x200 /* development io err message logging */
74 #define PM8001_EVENT_LOGGING	0x400 /* HW event logging */
75 
76 #define pm8001_info(HBA, fmt, ...)					\
77 	pr_info("%s:: %s %d: " fmt,					\
78 		(HBA)->name, __func__, __LINE__, ##__VA_ARGS__)
79 
80 #define pm8001_dbg(HBA, level, fmt, ...)				\
81 do {									\
82 	if (unlikely((HBA)->logging_level & PM8001_##level##_LOGGING))	\
83 		pm8001_info(HBA, fmt, ##__VA_ARGS__);			\
84 } while (0)
85 
86 #define PM8001_USE_TASKLET
87 #define PM8001_USE_MSIX
88 #define PM8001_READ_VPD
89 
90 
91 #define IS_SPCV_12G(dev)	((dev->device == 0X8074)		\
92 				|| (dev->device == 0X8076)		\
93 				|| (dev->device == 0X8077)		\
94 				|| (dev->device == 0X8070)		\
95 				|| (dev->device == 0X8072))
96 
97 #define PM8001_NAME_LENGTH		32/* generic length of strings */
98 extern struct list_head hba_list;
99 extern const struct pm8001_dispatch pm8001_8001_dispatch;
100 extern const struct pm8001_dispatch pm8001_80xx_dispatch;
101 
102 struct pm8001_hba_info;
103 struct pm8001_ccb_info;
104 struct pm8001_device;
105 
106 struct pm8001_ioctl_payload {
107 	u32	signature;
108 	u16	major_function;
109 	u16	minor_function;
110 	u16	status;
111 	u16	offset;
112 	u16	id;
113 	u32	wr_length;
114 	u32	rd_length;
115 	u8	*func_specific;
116 };
117 
118 #define MPI_FATAL_ERROR_TABLE_OFFSET_MASK 0xFFFFFF
119 #define MPI_FATAL_ERROR_TABLE_SIZE(value) ((0xFF000000 & value) >> SHIFT24)
120 #define MPI_FATAL_EDUMP_TABLE_LO_OFFSET            0x00     /* HNFBUFL */
121 #define MPI_FATAL_EDUMP_TABLE_HI_OFFSET            0x04     /* HNFBUFH */
122 #define MPI_FATAL_EDUMP_TABLE_LENGTH               0x08     /* HNFBLEN */
123 #define MPI_FATAL_EDUMP_TABLE_HANDSHAKE            0x0C     /* FDDHSHK */
124 #define MPI_FATAL_EDUMP_TABLE_STATUS               0x10     /* FDDTSTAT */
125 #define MPI_FATAL_EDUMP_TABLE_ACCUM_LEN            0x14     /* ACCDDLEN */
126 #define MPI_FATAL_EDUMP_TABLE_TOTAL_LEN		   0x18	    /* TOTALLEN */
127 #define MPI_FATAL_EDUMP_TABLE_SIGNATURE		   0x1C     /* SIGNITURE */
128 #define MPI_FATAL_EDUMP_HANDSHAKE_RDY              0x1
129 #define MPI_FATAL_EDUMP_HANDSHAKE_BUSY             0x0
130 #define MPI_FATAL_EDUMP_TABLE_STAT_RSVD                 0x0
131 #define MPI_FATAL_EDUMP_TABLE_STAT_DMA_FAILED           0x1
132 #define MPI_FATAL_EDUMP_TABLE_STAT_NF_SUCCESS_MORE_DATA 0x2
133 #define MPI_FATAL_EDUMP_TABLE_STAT_NF_SUCCESS_DONE      0x3
134 #define TYPE_GSM_SPACE        1
135 #define TYPE_QUEUE            2
136 #define TYPE_FATAL            3
137 #define TYPE_NON_FATAL        4
138 #define TYPE_INBOUND          1
139 #define TYPE_OUTBOUND         2
140 struct forensic_data {
141 	u32  data_type;
142 	union {
143 		struct {
144 			u32  direct_len;
145 			u32  direct_offset;
146 			void  *direct_data;
147 		} gsm_buf;
148 		struct {
149 			u16  queue_type;
150 			u16  queue_index;
151 			u32  direct_len;
152 			void  *direct_data;
153 		} queue_buf;
154 		struct {
155 			u32  direct_len;
156 			u32  direct_offset;
157 			u32  read_len;
158 			void  *direct_data;
159 		} data_buf;
160 	};
161 };
162 
163 /* bit31-26 - mask bar */
164 #define SCRATCH_PAD0_BAR_MASK                    0xFC000000
165 /* bit25-0  - offset mask */
166 #define SCRATCH_PAD0_OFFSET_MASK                 0x03FFFFFF
167 /* if AAP error state */
168 #define SCRATCH_PAD0_AAPERR_MASK                 0xFFFFFFFF
169 /* Inbound doorbell bit7 */
170 #define SPCv_MSGU_CFG_TABLE_NONFATAL_DUMP	 0x80
171 /* Inbound doorbell bit7 SPCV */
172 #define SPCV_MSGU_CFG_TABLE_TRANSFER_DEBUG_INFO  0x80
173 #define MAIN_MERRDCTO_MERRDCES		         0xA0/* DWORD 0x28) */
174 
175 struct pm8001_dispatch {
176 	char *name;
177 	int (*chip_init)(struct pm8001_hba_info *pm8001_ha);
178 	void (*chip_post_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_ccb_info *ccb);
204 	int (*ssp_tm_req)(struct pm8001_hba_info *pm8001_ha,
205 		struct pm8001_ccb_info *ccb, struct sas_tmf_task *tmf);
206 	int (*get_nvmd_req)(struct pm8001_hba_info *pm8001_ha, void *payload);
207 	int (*set_nvmd_req)(struct pm8001_hba_info *pm8001_ha, void *payload);
208 	int (*fw_flash_update_req)(struct pm8001_hba_info *pm8001_ha,
209 		void *payload);
210 	int (*set_dev_state_req)(struct pm8001_hba_info *pm8001_ha,
211 		struct pm8001_device *pm8001_dev, u32 state);
212 	int (*sas_diag_start_end_req)(struct pm8001_hba_info *pm8001_ha,
213 		u32 state);
214 	int (*sas_diag_execute_req)(struct pm8001_hba_info *pm8001_ha,
215 		u32 state);
216 	int (*sas_re_init_req)(struct pm8001_hba_info *pm8001_ha);
217 	int (*fatal_errors)(struct pm8001_hba_info *pm8001_ha);
218 	void (*hw_event_ack_req)(struct pm8001_hba_info *pm8001_ha,
219 		u32 Qnum, u32 SEA, u32 port_id, u32 phyId, u32 param0,
220 		u32 param1);
221 };
222 
223 struct pm8001_chip_info {
224 	u32     encrypt;
225 	u32	n_phy;
226 	const struct pm8001_dispatch	*dispatch;
227 };
228 #define PM8001_CHIP_DISP	(pm8001_ha->chip->dispatch)
229 
230 struct pm8001_port {
231 	struct asd_sas_port	sas_port;
232 	u8			port_attached;
233 	u16			wide_port_phymap;
234 	u8			port_state;
235 	u8			port_id;
236 	struct list_head	list;
237 };
238 
239 struct pm8001_phy {
240 	struct pm8001_hba_info	*pm8001_ha;
241 	struct pm8001_port	*port;
242 	struct asd_sas_phy	sas_phy;
243 	struct sas_identify	identify;
244 	struct scsi_device	*sdev;
245 	u64			dev_sas_addr;
246 	u32			phy_type;
247 	struct completion	*enable_completion;
248 	u32			frame_rcvd_size;
249 	u8			frame_rcvd[32];
250 	u8			phy_attached;
251 	u8			phy_state;
252 	enum sas_linkrate	minimum_linkrate;
253 	enum sas_linkrate	maximum_linkrate;
254 	struct completion	*reset_completion;
255 	bool			port_reset_status;
256 	bool			reset_success;
257 };
258 
259 /* port reset status */
260 #define PORT_RESET_SUCCESS	0x00
261 #define PORT_RESET_TMO		0x01
262 
263 struct pm8001_device {
264 	enum sas_device_type	dev_type;
265 	struct domain_device	*sas_device;
266 	u32			attached_phy;
267 	u32			id;
268 	struct completion	*dcompletion;
269 	struct completion	*setds_completion;
270 	u32			device_id;
271 	atomic_t		running_req;
272 };
273 
274 struct pm8001_prd_imt {
275 	__le32			len;
276 	__le32			e;
277 };
278 
279 struct pm8001_prd {
280 	__le64			addr;		/* 64-bit buffer address */
281 	struct pm8001_prd_imt	im_len;		/* 64-bit length */
282 } __attribute__ ((packed));
283 /*
284  * CCB(Command Control Block)
285  */
286 struct pm8001_ccb_info {
287 	struct sas_task		*task;
288 	u32			n_elem;
289 	u32			ccb_tag;
290 	dma_addr_t		ccb_dma_handle;
291 	struct pm8001_device	*device;
292 	struct pm8001_prd	*buf_prd;
293 	struct fw_control_ex	*fw_control_context;
294 	u8			open_retry;
295 };
296 
297 struct mpi_mem {
298 	void			*virt_ptr;
299 	dma_addr_t		phys_addr;
300 	u32			phys_addr_hi;
301 	u32			phys_addr_lo;
302 	u32			total_len;
303 	u32			num_elements;
304 	u32			element_size;
305 	u32			alignment;
306 };
307 
308 struct mpi_mem_req {
309 	/* The number of element in the  mpiMemory array */
310 	u32			count;
311 	/* The array of structures that define memroy regions*/
312 	struct mpi_mem		region[USI_MAX_MEMCNT];
313 };
314 
315 struct encrypt {
316 	u32	cipher_mode;
317 	u32	sec_mode;
318 	u32	status;
319 	u32	flag;
320 };
321 
322 struct sas_phy_attribute_table {
323 	u32	phystart1_16[16];
324 	u32	outbound_hw_event_pid1_16[16];
325 };
326 
327 union main_cfg_table {
328 	struct {
329 	u32			signature;
330 	u32			interface_rev;
331 	u32			firmware_rev;
332 	u32			max_out_io;
333 	u32			max_sgl;
334 	u32			ctrl_cap_flag;
335 	u32			gst_offset;
336 	u32			inbound_queue_offset;
337 	u32			outbound_queue_offset;
338 	u32			inbound_q_nppd_hppd;
339 	u32			outbound_hw_event_pid0_3;
340 	u32			outbound_hw_event_pid4_7;
341 	u32			outbound_ncq_event_pid0_3;
342 	u32			outbound_ncq_event_pid4_7;
343 	u32			outbound_tgt_ITNexus_event_pid0_3;
344 	u32			outbound_tgt_ITNexus_event_pid4_7;
345 	u32			outbound_tgt_ssp_event_pid0_3;
346 	u32			outbound_tgt_ssp_event_pid4_7;
347 	u32			outbound_tgt_smp_event_pid0_3;
348 	u32			outbound_tgt_smp_event_pid4_7;
349 	u32			upper_event_log_addr;
350 	u32			lower_event_log_addr;
351 	u32			event_log_size;
352 	u32			event_log_option;
353 	u32			upper_iop_event_log_addr;
354 	u32			lower_iop_event_log_addr;
355 	u32			iop_event_log_size;
356 	u32			iop_event_log_option;
357 	u32			fatal_err_interrupt;
358 	u32			fatal_err_dump_offset0;
359 	u32			fatal_err_dump_length0;
360 	u32			fatal_err_dump_offset1;
361 	u32			fatal_err_dump_length1;
362 	u32			hda_mode_flag;
363 	u32			anolog_setup_table_offset;
364 	u32			rsvd[4];
365 	} pm8001_tbl;
366 
367 	struct {
368 	u32			signature;
369 	u32			interface_rev;
370 	u32			firmware_rev;
371 	u32			max_out_io;
372 	u32			max_sgl;
373 	u32			ctrl_cap_flag;
374 	u32			gst_offset;
375 	u32			inbound_queue_offset;
376 	u32			outbound_queue_offset;
377 	u32			inbound_q_nppd_hppd;
378 	u32			rsvd[8];
379 	u32			crc_core_dump;
380 	u32			rsvd1;
381 	u32			upper_event_log_addr;
382 	u32			lower_event_log_addr;
383 	u32			event_log_size;
384 	u32			event_log_severity;
385 	u32			upper_pcs_event_log_addr;
386 	u32			lower_pcs_event_log_addr;
387 	u32			pcs_event_log_size;
388 	u32			pcs_event_log_severity;
389 	u32			fatal_err_interrupt;
390 	u32			fatal_err_dump_offset0;
391 	u32			fatal_err_dump_length0;
392 	u32			fatal_err_dump_offset1;
393 	u32			fatal_err_dump_length1;
394 	u32			gpio_led_mapping;
395 	u32			analog_setup_table_offset;
396 	u32			int_vec_table_offset;
397 	u32			phy_attr_table_offset;
398 	u32			port_recovery_timer;
399 	u32			interrupt_reassertion_delay;
400 	u32			fatal_n_non_fatal_dump;	        /* 0x28 */
401 	u32			ila_version;
402 	u32			inc_fw_version;
403 	} pm80xx_tbl;
404 };
405 
406 union general_status_table {
407 	struct {
408 	u32			gst_len_mpistate;
409 	u32			iq_freeze_state0;
410 	u32			iq_freeze_state1;
411 	u32			msgu_tcnt;
412 	u32			iop_tcnt;
413 	u32			rsvd;
414 	u32			phy_state[8];
415 	u32			gpio_input_val;
416 	u32			rsvd1[2];
417 	u32			recover_err_info[8];
418 	} pm8001_tbl;
419 	struct {
420 	u32			gst_len_mpistate;
421 	u32			iq_freeze_state0;
422 	u32			iq_freeze_state1;
423 	u32			msgu_tcnt;
424 	u32			iop_tcnt;
425 	u32			rsvd[9];
426 	u32			gpio_input_val;
427 	u32			rsvd1[2];
428 	u32			recover_err_info[8];
429 	} pm80xx_tbl;
430 };
431 struct inbound_queue_table {
432 	u32			element_pri_size_cnt;
433 	u32			upper_base_addr;
434 	u32			lower_base_addr;
435 	u32			ci_upper_base_addr;
436 	u32			ci_lower_base_addr;
437 	u32			pi_pci_bar;
438 	u32			pi_offset;
439 	u32			total_length;
440 	void			*base_virt;
441 	void			*ci_virt;
442 	u32			reserved;
443 	__le32			consumer_index;
444 	u32			producer_idx;
445 	spinlock_t		iq_lock;
446 };
447 struct outbound_queue_table {
448 	u32			element_size_cnt;
449 	u32			upper_base_addr;
450 	u32			lower_base_addr;
451 	void			*base_virt;
452 	u32			pi_upper_base_addr;
453 	u32			pi_lower_base_addr;
454 	u32			ci_pci_bar;
455 	u32			ci_offset;
456 	u32			total_length;
457 	void			*pi_virt;
458 	u32			interrup_vec_cnt_delay;
459 	u32			dinterrup_to_pci_offset;
460 	__le32			producer_index;
461 	u32			consumer_idx;
462 	spinlock_t		oq_lock;
463 	unsigned long		lock_flags;
464 };
465 struct pm8001_hba_memspace {
466 	void __iomem  		*memvirtaddr;
467 	u64			membase;
468 	u32			memsize;
469 };
470 struct isr_param {
471 	struct pm8001_hba_info *drv_inst;
472 	u32 irq_id;
473 };
474 struct pm8001_hba_info {
475 	char			name[PM8001_NAME_LENGTH];
476 	struct list_head	list;
477 	unsigned long		flags;
478 	spinlock_t		lock;/* host-wide lock */
479 	spinlock_t		bitmap_lock;
480 	struct pci_dev		*pdev;/* our device */
481 	struct device		*dev;
482 	struct pm8001_hba_memspace io_mem[6];
483 	struct mpi_mem_req	memoryMap;
484 	struct encrypt		encrypt_info; /* support encryption */
485 	struct forensic_data	forensic_info;
486 	u32			fatal_bar_loc;
487 	u32			forensic_last_offset;
488 	u32			fatal_forensic_shift_offset;
489 	u32			forensic_fatal_step;
490 	u32			forensic_preserved_accumulated_transfer;
491 	u32			evtlog_ib_offset;
492 	u32			evtlog_ob_offset;
493 	void __iomem	*msg_unit_tbl_addr;/*Message Unit Table Addr*/
494 	void __iomem	*main_cfg_tbl_addr;/*Main Config Table Addr*/
495 	void __iomem	*general_stat_tbl_addr;/*General Status Table Addr*/
496 	void __iomem	*inbnd_q_tbl_addr;/*Inbound Queue Config Table Addr*/
497 	void __iomem	*outbnd_q_tbl_addr;/*Outbound Queue Config Table Addr*/
498 	void __iomem	*pspa_q_tbl_addr;
499 			/*MPI SAS PHY attributes Queue Config Table Addr*/
500 	void __iomem	*ivt_tbl_addr; /*MPI IVT Table Addr */
501 	void __iomem	*fatal_tbl_addr; /*MPI IVT Table Addr */
502 	union main_cfg_table	main_cfg_tbl;
503 	union general_status_table	gs_tbl;
504 	struct inbound_queue_table	inbnd_q_tbl[PM8001_MAX_INB_NUM];
505 	struct outbound_queue_table	outbnd_q_tbl[PM8001_MAX_OUTB_NUM];
506 	struct sas_phy_attribute_table	phy_attr_table;
507 					/* MPI SAS PHY attributes */
508 	u8			sas_addr[SAS_ADDR_SIZE];
509 	struct sas_ha_struct	*sas;/* SCSI/SAS glue */
510 	struct Scsi_Host	*shost;
511 	u32			chip_id;
512 	const struct pm8001_chip_info	*chip;
513 	struct completion	*nvmd_completion;
514 	unsigned long		*rsvd_tags;
515 	struct pm8001_phy	phy[PM8001_MAX_PHYS];
516 	struct pm8001_port	port[PM8001_MAX_PHYS];
517 	u32			id;
518 	u32			irq;
519 	u32			iomb_size; /* SPC and SPCV IOMB size */
520 	struct pm8001_device	*devices;
521 	struct pm8001_ccb_info	*ccb_info;
522 	u32			ccb_count;
523 #ifdef PM8001_USE_MSIX
524 	int			number_of_intr;/*will be used in remove()*/
525 	char			intr_drvname[PM8001_MAX_MSIX_VEC]
526 				[PM8001_NAME_LENGTH+1+3+1];
527 #endif
528 #ifdef PM8001_USE_TASKLET
529 	struct tasklet_struct	tasklet[PM8001_MAX_MSIX_VEC];
530 #endif
531 	u32			logging_level;
532 	u32			link_rate;
533 	u32			fw_status;
534 	u32			smp_exp_mode;
535 	bool			controller_fatal_error;
536 	const struct firmware 	*fw_image;
537 	struct isr_param irq_vector[PM8001_MAX_MSIX_VEC];
538 	u32			non_fatal_count;
539 	u32			non_fatal_read_length;
540 	u32 max_q_num;
541 	u32 ib_offset;
542 	u32 ob_offset;
543 	u32 ci_offset;
544 	u32 pi_offset;
545 	u32 max_memcnt;
546 };
547 
548 struct pm8001_work {
549 	struct work_struct work;
550 	struct pm8001_hba_info *pm8001_ha;
551 	void *data;
552 	int handler;
553 };
554 
555 struct pm8001_fw_image_header {
556 	u8 vender_id[8];
557 	u8 product_id;
558 	u8 hardware_rev;
559 	u8 dest_partition;
560 	u8 reserved;
561 	u8 fw_rev[4];
562 	__be32  image_length;
563 	__be32 image_crc;
564 	__be32 startup_entry;
565 } __attribute__((packed, aligned(4)));
566 
567 
568 /**
569  * FW Flash Update status values
570  */
571 #define FLASH_UPDATE_COMPLETE_PENDING_REBOOT	0x00
572 #define FLASH_UPDATE_IN_PROGRESS		0x01
573 #define FLASH_UPDATE_HDR_ERR			0x02
574 #define FLASH_UPDATE_OFFSET_ERR			0x03
575 #define FLASH_UPDATE_CRC_ERR			0x04
576 #define FLASH_UPDATE_LENGTH_ERR			0x05
577 #define FLASH_UPDATE_HW_ERR			0x06
578 #define FLASH_UPDATE_DNLD_NOT_SUPPORTED		0x10
579 #define FLASH_UPDATE_DISABLED			0x11
580 
581 /* Device states */
582 #define DS_OPERATIONAL				0x01
583 #define DS_PORT_IN_RESET			0x02
584 #define DS_IN_RECOVERY				0x03
585 #define DS_IN_ERROR				0x04
586 #define DS_NON_OPERATIONAL			0x07
587 
588 /**
589  * brief param structure for firmware flash update.
590  */
591 struct fw_flash_updata_info {
592 	u32			cur_image_offset;
593 	u32			cur_image_len;
594 	u32			total_image_len;
595 	struct pm8001_prd	sgl;
596 };
597 
598 struct fw_control_info {
599 	u32			retcode;/*ret code (status)*/
600 	u32			phase;/*ret code phase*/
601 	u32			phaseCmplt;/*percent complete for the current
602 	update phase */
603 	u32			version;/*Hex encoded firmware version number*/
604 	u32			offset;/*Used for downloading firmware	*/
605 	u32			len; /*len of buffer*/
606 	u32			size;/* Used in OS VPD and Trace get size
607 	operations.*/
608 	u32			reserved;/* padding required for 64 bit
609 	alignment */
610 	u8			buffer[];/* Start of buffer */
611 };
612 struct fw_control_ex {
613 	struct fw_control_info *fw_control;
614 	void			*buffer;/* keep buffer pointer to be
615 	freed when the response comes*/
616 	void			*virtAddr;/* keep virtual address of the data */
617 	void			*usrAddr;/* keep virtual address of the
618 	user data */
619 	dma_addr_t		phys_addr;
620 	u32			len; /* len of buffer  */
621 	void			*payload; /* pointer to IOCTL Payload */
622 	u8			inProgress;/*if 1 - the IOCTL request is in
623 	progress */
624 	void			*param1;
625 	void			*param2;
626 	void			*param3;
627 };
628 
629 /* pm8001 workqueue */
630 extern struct workqueue_struct *pm8001_wq;
631 
632 /******************** function prototype *********************/
633 int pm8001_tag_alloc(struct pm8001_hba_info *pm8001_ha, u32 *tag_out);
634 u32 pm8001_get_ncq_tag(struct sas_task *task, u32 *tag);
635 void pm8001_ccb_task_free(struct pm8001_hba_info *pm8001_ha,
636 			  struct pm8001_ccb_info *ccb);
637 int pm8001_phy_control(struct asd_sas_phy *sas_phy, enum phy_func func,
638 	void *funcdata);
639 void pm8001_scan_start(struct Scsi_Host *shost);
640 int pm8001_scan_finished(struct Scsi_Host *shost, unsigned long time);
641 int pm8001_queue_command(struct sas_task *task, gfp_t gfp_flags);
642 int pm8001_abort_task(struct sas_task *task);
643 int pm8001_clear_task_set(struct domain_device *dev, u8 *lun);
644 int pm8001_dev_found(struct domain_device *dev);
645 void pm8001_dev_gone(struct domain_device *dev);
646 int pm8001_lu_reset(struct domain_device *dev, u8 *lun);
647 int pm8001_I_T_nexus_reset(struct domain_device *dev);
648 int pm8001_I_T_nexus_event_handler(struct domain_device *dev);
649 int pm8001_query_task(struct sas_task *task);
650 void pm8001_port_formed(struct asd_sas_phy *sas_phy);
651 void pm8001_open_reject_retry(
652 	struct pm8001_hba_info *pm8001_ha,
653 	struct sas_task *task_to_close,
654 	struct pm8001_device *device_to_close);
655 int pm8001_mem_alloc(struct pci_dev *pdev, void **virt_addr,
656 	dma_addr_t *pphys_addr, u32 *pphys_addr_hi, u32 *pphys_addr_lo,
657 	u32 mem_size, u32 align);
658 
659 void pm8001_chip_iounmap(struct pm8001_hba_info *pm8001_ha);
660 int pm8001_mpi_build_cmd(struct pm8001_hba_info *pm8001_ha,
661 			u32 q_index, u32 opCode, void *payload, size_t nb,
662 			u32 responseQueue);
663 int pm8001_mpi_msg_free_get(struct inbound_queue_table *circularQ,
664 				u16 messageSize, void **messagePtr);
665 u32 pm8001_mpi_msg_free_set(struct pm8001_hba_info *pm8001_ha, void *pMsg,
666 			struct outbound_queue_table *circularQ, u8 bc);
667 u32 pm8001_mpi_msg_consume(struct pm8001_hba_info *pm8001_ha,
668 			struct outbound_queue_table *circularQ,
669 			void **messagePtr1, u8 *pBC);
670 int pm8001_chip_set_dev_state_req(struct pm8001_hba_info *pm8001_ha,
671 			struct pm8001_device *pm8001_dev, u32 state);
672 int pm8001_chip_fw_flash_update_req(struct pm8001_hba_info *pm8001_ha,
673 					void *payload);
674 int pm8001_chip_fw_flash_update_build(struct pm8001_hba_info *pm8001_ha,
675 					void *fw_flash_updata_info, u32 tag);
676 int pm8001_chip_set_nvmd_req(struct pm8001_hba_info *pm8001_ha, void *payload);
677 int pm8001_chip_get_nvmd_req(struct pm8001_hba_info *pm8001_ha, void *payload);
678 int pm8001_chip_ssp_tm_req(struct pm8001_hba_info *pm8001_ha,
679 				struct pm8001_ccb_info *ccb,
680 				struct sas_tmf_task *tmf);
681 int pm8001_chip_abort_task(struct pm8001_hba_info *pm8001_ha,
682 				struct pm8001_ccb_info *ccb);
683 int pm8001_chip_dereg_dev_req(struct pm8001_hba_info *pm8001_ha, u32 device_id);
684 void pm8001_chip_make_sg(struct scatterlist *scatter, int nr, void *prd);
685 void pm8001_work_fn(struct work_struct *work);
686 int pm8001_handle_event(struct pm8001_hba_info *pm8001_ha,
687 					void *data, int handler);
688 void pm8001_mpi_set_dev_state_resp(struct pm8001_hba_info *pm8001_ha,
689 							void *piomb);
690 void pm8001_mpi_set_nvmd_resp(struct pm8001_hba_info *pm8001_ha,
691 							void *piomb);
692 void pm8001_mpi_get_nvmd_resp(struct pm8001_hba_info *pm8001_ha,
693 							void *piomb);
694 int pm8001_mpi_local_phy_ctl(struct pm8001_hba_info *pm8001_ha,
695 							void *piomb);
696 void pm8001_get_lrate_mode(struct pm8001_phy *phy, u8 link_rate);
697 void pm8001_get_attached_sas_addr(struct pm8001_phy *phy, u8 *sas_addr);
698 void pm8001_bytes_dmaed(struct pm8001_hba_info *pm8001_ha, int i);
699 int pm8001_mpi_reg_resp(struct pm8001_hba_info *pm8001_ha, void *piomb);
700 int pm8001_mpi_dereg_resp(struct pm8001_hba_info *pm8001_ha, void *piomb);
701 int pm8001_mpi_fw_flash_update_resp(struct pm8001_hba_info *pm8001_ha,
702 							void *piomb);
703 int pm8001_mpi_general_event(struct pm8001_hba_info *pm8001_ha, void *piomb);
704 int pm8001_mpi_task_abort_resp(struct pm8001_hba_info *pm8001_ha, void *piomb);
705 void pm8001_tag_free(struct pm8001_hba_info *pm8001_ha, u32 tag);
706 struct pm8001_device *pm8001_find_dev(struct pm8001_hba_info *pm8001_ha,
707 					u32 device_id);
708 int pm80xx_set_thermal_config(struct pm8001_hba_info *pm8001_ha);
709 
710 int pm8001_bar4_shift(struct pm8001_hba_info *pm8001_ha, u32 shiftValue);
711 void pm8001_set_phy_profile(struct pm8001_hba_info *pm8001_ha,
712 	u32 length, u8 *buf);
713 void pm8001_set_phy_profile_single(struct pm8001_hba_info *pm8001_ha,
714 		u32 phy, u32 length, u32 *buf);
715 int pm80xx_bar4_shift(struct pm8001_hba_info *pm8001_ha, u32 shiftValue);
716 ssize_t pm80xx_get_fatal_dump(struct device *cdev,
717 		struct device_attribute *attr, char *buf);
718 ssize_t pm80xx_get_non_fatal_dump(struct device *cdev,
719 		struct device_attribute *attr, char *buf);
720 ssize_t pm8001_get_gsm_dump(struct device *cdev, u32, char *buf);
721 int pm80xx_fatal_errors(struct pm8001_hba_info *pm8001_ha);
722 void pm8001_free_dev(struct pm8001_device *pm8001_dev);
723 /* ctl shared API */
724 extern const struct attribute_group *pm8001_host_groups[];
725 
726 #define PM8001_INVALID_TAG	((u32)-1)
727 
728 /*
729  * Allocate a new tag and return the corresponding ccb after initializing it.
730  */
731 static inline struct pm8001_ccb_info *
pm8001_ccb_alloc(struct pm8001_hba_info * pm8001_ha,struct pm8001_device * dev,struct sas_task * task)732 pm8001_ccb_alloc(struct pm8001_hba_info *pm8001_ha,
733 		 struct pm8001_device *dev, struct sas_task *task)
734 {
735 	struct pm8001_ccb_info *ccb;
736 	struct request *rq = NULL;
737 	u32 tag;
738 
739 	if (task)
740 		rq = sas_task_find_rq(task);
741 
742 	if (rq) {
743 		tag = rq->tag + PM8001_RESERVE_SLOT;
744 	} else 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  */
pm8001_ccb_free(struct pm8001_hba_info * pm8001_ha,struct pm8001_ccb_info * ccb)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 
pm8001_ccb_task_free_done(struct pm8001_hba_info * pm8001_ha,struct pm8001_ccb_info * ccb)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