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, ...)				\
81do {									\
82	if (unlikely((HBA)->logging_level & PM8001_##level##_LOGGING))	\
83		pm8001_info(HBA, fmt, ##__VA_ARGS__);			\
84} while (0)
85
86extern bool pm8001_use_msix;
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 */
95extern struct list_head hba_list;
96extern const struct pm8001_dispatch pm8001_8001_dispatch;
97extern const struct pm8001_dispatch pm8001_80xx_dispatch;
98
99struct pm8001_hba_info;
100struct pm8001_ccb_info;
101struct pm8001_device;
102
103struct 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
137struct 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
172struct pm8001_dispatch {
173	char *name;
174	int (*chip_init)(struct pm8001_hba_info *pm8001_ha);
175	void (*chip_post_init)(struct pm8001_hba_info *pm8001_ha);
176	int (*chip_soft_rst)(struct pm8001_hba_info *pm8001_ha);
177	void (*chip_rst)(struct pm8001_hba_info *pm8001_ha);
178	int (*chip_ioremap)(struct pm8001_hba_info *pm8001_ha);
179	void (*chip_iounmap)(struct pm8001_hba_info *pm8001_ha);
180	irqreturn_t (*isr)(struct pm8001_hba_info *pm8001_ha, u8 vec);
181	u32 (*is_our_interrupt)(struct pm8001_hba_info *pm8001_ha);
182	int (*isr_process_oq)(struct pm8001_hba_info *pm8001_ha, u8 vec);
183	void (*interrupt_enable)(struct pm8001_hba_info *pm8001_ha, u8 vec);
184	void (*interrupt_disable)(struct pm8001_hba_info *pm8001_ha, u8 vec);
185	void (*make_prd)(struct scatterlist *scatter, int nr, void *prd);
186	int (*smp_req)(struct pm8001_hba_info *pm8001_ha,
187		struct pm8001_ccb_info *ccb);
188	int (*ssp_io_req)(struct pm8001_hba_info *pm8001_ha,
189		struct pm8001_ccb_info *ccb);
190	int (*sata_req)(struct pm8001_hba_info *pm8001_ha,
191		struct pm8001_ccb_info *ccb);
192	int (*phy_start_req)(struct pm8001_hba_info *pm8001_ha,	u8 phy_id);
193	int (*phy_stop_req)(struct pm8001_hba_info *pm8001_ha, u8 phy_id);
194	int (*reg_dev_req)(struct pm8001_hba_info *pm8001_ha,
195		struct pm8001_device *pm8001_dev, u32 flag);
196	int (*dereg_dev_req)(struct pm8001_hba_info *pm8001_ha, u32 device_id);
197	int (*phy_ctl_req)(struct pm8001_hba_info *pm8001_ha,
198		u32 phy_id, u32 phy_op);
199	int (*task_abort)(struct pm8001_hba_info *pm8001_ha,
200		struct pm8001_ccb_info *ccb);
201	int (*ssp_tm_req)(struct pm8001_hba_info *pm8001_ha,
202		struct pm8001_ccb_info *ccb, struct sas_tmf_task *tmf);
203	int (*get_nvmd_req)(struct pm8001_hba_info *pm8001_ha, void *payload);
204	int (*set_nvmd_req)(struct pm8001_hba_info *pm8001_ha, void *payload);
205	int (*fw_flash_update_req)(struct pm8001_hba_info *pm8001_ha,
206		void *payload);
207	int (*set_dev_state_req)(struct pm8001_hba_info *pm8001_ha,
208		struct pm8001_device *pm8001_dev, u32 state);
209	int (*sas_diag_start_end_req)(struct pm8001_hba_info *pm8001_ha,
210		u32 state);
211	int (*sas_diag_execute_req)(struct pm8001_hba_info *pm8001_ha,
212		u32 state);
213	int (*sas_re_init_req)(struct pm8001_hba_info *pm8001_ha);
214	int (*fatal_errors)(struct pm8001_hba_info *pm8001_ha);
215	void (*hw_event_ack_req)(struct pm8001_hba_info *pm8001_ha,
216		u32 Qnum, u32 SEA, u32 port_id, u32 phyId, u32 param0,
217		u32 param1);
218};
219
220struct pm8001_chip_info {
221	u32     encrypt;
222	u32	n_phy;
223	const struct pm8001_dispatch	*dispatch;
224};
225#define PM8001_CHIP_DISP	(pm8001_ha->chip->dispatch)
226
227struct pm8001_port {
228	struct asd_sas_port	sas_port;
229	u8			port_attached;
230	u16			wide_port_phymap;
231	u8			port_state;
232	u8			port_id;
233	struct list_head	list;
234};
235
236struct pm8001_phy {
237	struct pm8001_hba_info	*pm8001_ha;
238	struct pm8001_port	*port;
239	struct asd_sas_phy	sas_phy;
240	struct sas_identify	identify;
241	struct scsi_device	*sdev;
242	u64			dev_sas_addr;
243	u32			phy_type;
244	struct completion	*enable_completion;
245	u32			frame_rcvd_size;
246	u8			frame_rcvd[32];
247	u8			phy_attached;
248	u8			phy_state;
249	enum sas_linkrate	minimum_linkrate;
250	enum sas_linkrate	maximum_linkrate;
251	struct completion	*reset_completion;
252	bool			port_reset_status;
253	bool			reset_success;
254};
255
256/* port reset status */
257#define PORT_RESET_SUCCESS	0x00
258#define PORT_RESET_TMO		0x01
259
260struct pm8001_device {
261	enum sas_device_type	dev_type;
262	struct domain_device	*sas_device;
263	u32			attached_phy;
264	u32			id;
265	struct completion	*dcompletion;
266	struct completion	*setds_completion;
267	u32			device_id;
268	atomic_t		running_req;
269};
270
271struct pm8001_prd_imt {
272	__le32			len;
273	__le32			e;
274};
275
276struct pm8001_prd {
277	__le64			addr;		/* 64-bit buffer address */
278	struct pm8001_prd_imt	im_len;		/* 64-bit length */
279} __attribute__ ((packed));
280/*
281 * CCB(Command Control Block)
282 */
283struct pm8001_ccb_info {
284	struct sas_task		*task;
285	u32			n_elem;
286	u32			ccb_tag;
287	dma_addr_t		ccb_dma_handle;
288	struct pm8001_device	*device;
289	struct pm8001_prd	*buf_prd;
290	struct fw_control_ex	*fw_control_context;
291	u8			open_retry;
292};
293
294struct mpi_mem {
295	void			*virt_ptr;
296	dma_addr_t		phys_addr;
297	u32			phys_addr_hi;
298	u32			phys_addr_lo;
299	u32			total_len;
300	u32			num_elements;
301	u32			element_size;
302	u32			alignment;
303};
304
305struct mpi_mem_req {
306	/* The number of element in the  mpiMemory array */
307	u32			count;
308	/* The array of structures that define memroy regions*/
309	struct mpi_mem		region[USI_MAX_MEMCNT];
310};
311
312struct encrypt {
313	u32	cipher_mode;
314	u32	sec_mode;
315	u32	status;
316	u32	flag;
317};
318
319struct sas_phy_attribute_table {
320	u32	phystart1_16[16];
321	u32	outbound_hw_event_pid1_16[16];
322};
323
324union main_cfg_table {
325	struct {
326	u32			signature;
327	u32			interface_rev;
328	u32			firmware_rev;
329	u32			max_out_io;
330	u32			max_sgl;
331	u32			ctrl_cap_flag;
332	u32			gst_offset;
333	u32			inbound_queue_offset;
334	u32			outbound_queue_offset;
335	u32			inbound_q_nppd_hppd;
336	u32			outbound_hw_event_pid0_3;
337	u32			outbound_hw_event_pid4_7;
338	u32			outbound_ncq_event_pid0_3;
339	u32			outbound_ncq_event_pid4_7;
340	u32			outbound_tgt_ITNexus_event_pid0_3;
341	u32			outbound_tgt_ITNexus_event_pid4_7;
342	u32			outbound_tgt_ssp_event_pid0_3;
343	u32			outbound_tgt_ssp_event_pid4_7;
344	u32			outbound_tgt_smp_event_pid0_3;
345	u32			outbound_tgt_smp_event_pid4_7;
346	u32			upper_event_log_addr;
347	u32			lower_event_log_addr;
348	u32			event_log_size;
349	u32			event_log_option;
350	u32			upper_iop_event_log_addr;
351	u32			lower_iop_event_log_addr;
352	u32			iop_event_log_size;
353	u32			iop_event_log_option;
354	u32			fatal_err_interrupt;
355	u32			fatal_err_dump_offset0;
356	u32			fatal_err_dump_length0;
357	u32			fatal_err_dump_offset1;
358	u32			fatal_err_dump_length1;
359	u32			hda_mode_flag;
360	u32			anolog_setup_table_offset;
361	u32			rsvd[4];
362	} pm8001_tbl;
363
364	struct {
365	u32			signature;
366	u32			interface_rev;
367	u32			firmware_rev;
368	u32			max_out_io;
369	u32			max_sgl;
370	u32			ctrl_cap_flag;
371	u32			gst_offset;
372	u32			inbound_queue_offset;
373	u32			outbound_queue_offset;
374	u32			inbound_q_nppd_hppd;
375	u32			rsvd[8];
376	u32			crc_core_dump;
377	u32			rsvd1;
378	u32			upper_event_log_addr;
379	u32			lower_event_log_addr;
380	u32			event_log_size;
381	u32			event_log_severity;
382	u32			upper_pcs_event_log_addr;
383	u32			lower_pcs_event_log_addr;
384	u32			pcs_event_log_size;
385	u32			pcs_event_log_severity;
386	u32			fatal_err_interrupt;
387	u32			fatal_err_dump_offset0;
388	u32			fatal_err_dump_length0;
389	u32			fatal_err_dump_offset1;
390	u32			fatal_err_dump_length1;
391	u32			gpio_led_mapping;
392	u32			analog_setup_table_offset;
393	u32			int_vec_table_offset;
394	u32			phy_attr_table_offset;
395	u32			port_recovery_timer;
396	u32			interrupt_reassertion_delay;
397	u32			fatal_n_non_fatal_dump;	        /* 0x28 */
398	u32			ila_version;
399	u32			inc_fw_version;
400	} pm80xx_tbl;
401};
402
403union general_status_table {
404	struct {
405	u32			gst_len_mpistate;
406	u32			iq_freeze_state0;
407	u32			iq_freeze_state1;
408	u32			msgu_tcnt;
409	u32			iop_tcnt;
410	u32			rsvd;
411	u32			phy_state[8];
412	u32			gpio_input_val;
413	u32			rsvd1[2];
414	u32			recover_err_info[8];
415	} pm8001_tbl;
416	struct {
417	u32			gst_len_mpistate;
418	u32			iq_freeze_state0;
419	u32			iq_freeze_state1;
420	u32			msgu_tcnt;
421	u32			iop_tcnt;
422	u32			rsvd[9];
423	u32			gpio_input_val;
424	u32			rsvd1[2];
425	u32			recover_err_info[8];
426	} pm80xx_tbl;
427};
428struct inbound_queue_table {
429	u32			element_pri_size_cnt;
430	u32			upper_base_addr;
431	u32			lower_base_addr;
432	u32			ci_upper_base_addr;
433	u32			ci_lower_base_addr;
434	u32			pi_pci_bar;
435	u32			pi_offset;
436	u32			total_length;
437	void			*base_virt;
438	void			*ci_virt;
439	u32			reserved;
440	__le32			consumer_index;
441	u32			producer_idx;
442	spinlock_t		iq_lock;
443};
444struct outbound_queue_table {
445	u32			element_size_cnt;
446	u32			upper_base_addr;
447	u32			lower_base_addr;
448	void			*base_virt;
449	u32			pi_upper_base_addr;
450	u32			pi_lower_base_addr;
451	u32			ci_pci_bar;
452	u32			ci_offset;
453	u32			total_length;
454	void			*pi_virt;
455	u32			interrup_vec_cnt_delay;
456	u32			dinterrup_to_pci_offset;
457	__le32			producer_index;
458	u32			consumer_idx;
459	spinlock_t		oq_lock;
460	unsigned long		lock_flags;
461};
462struct pm8001_hba_memspace {
463	void __iomem  		*memvirtaddr;
464	u64			membase;
465	u32			memsize;
466};
467struct isr_param {
468	struct pm8001_hba_info *drv_inst;
469	u32 irq_id;
470};
471struct pm8001_hba_info {
472	char			name[PM8001_NAME_LENGTH];
473	struct list_head	list;
474	unsigned long		flags;
475	spinlock_t		lock;/* host-wide lock */
476	spinlock_t		bitmap_lock;
477	struct pci_dev		*pdev;/* our device */
478	struct device		*dev;
479	struct pm8001_hba_memspace io_mem[6];
480	struct mpi_mem_req	memoryMap;
481	struct encrypt		encrypt_info; /* support encryption */
482	struct forensic_data	forensic_info;
483	u32			fatal_bar_loc;
484	u32			forensic_last_offset;
485	u32			fatal_forensic_shift_offset;
486	u32			forensic_fatal_step;
487	u32			forensic_preserved_accumulated_transfer;
488	u32			evtlog_ib_offset;
489	u32			evtlog_ob_offset;
490	void __iomem	*msg_unit_tbl_addr;/*Message Unit Table Addr*/
491	void __iomem	*main_cfg_tbl_addr;/*Main Config Table Addr*/
492	void __iomem	*general_stat_tbl_addr;/*General Status Table Addr*/
493	void __iomem	*inbnd_q_tbl_addr;/*Inbound Queue Config Table Addr*/
494	void __iomem	*outbnd_q_tbl_addr;/*Outbound Queue Config Table Addr*/
495	void __iomem	*pspa_q_tbl_addr;
496			/*MPI SAS PHY attributes Queue Config Table Addr*/
497	void __iomem	*ivt_tbl_addr; /*MPI IVT Table Addr */
498	void __iomem	*fatal_tbl_addr; /*MPI IVT Table Addr */
499	union main_cfg_table	main_cfg_tbl;
500	union general_status_table	gs_tbl;
501	struct inbound_queue_table	inbnd_q_tbl[PM8001_MAX_INB_NUM];
502	struct outbound_queue_table	outbnd_q_tbl[PM8001_MAX_OUTB_NUM];
503	struct sas_phy_attribute_table	phy_attr_table;
504					/* MPI SAS PHY attributes */
505	u8			sas_addr[SAS_ADDR_SIZE];
506	struct sas_ha_struct	*sas;/* SCSI/SAS glue */
507	struct Scsi_Host	*shost;
508	u32			chip_id;
509	const struct pm8001_chip_info	*chip;
510	struct completion	*nvmd_completion;
511	unsigned long		*rsvd_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
521	bool			use_msix;
522	int			number_of_intr;/*will be used in remove()*/
523	char			intr_drvname[PM8001_MAX_MSIX_VEC]
524				[PM8001_NAME_LENGTH+1+3+1];
525	struct tasklet_struct	tasklet[PM8001_MAX_MSIX_VEC];
526	u32			logging_level;
527	u32			link_rate;
528	u32			fw_status;
529	u32			smp_exp_mode;
530	bool			controller_fatal_error;
531	const struct firmware 	*fw_image;
532	struct isr_param irq_vector[PM8001_MAX_MSIX_VEC];
533	u32			non_fatal_count;
534	u32			non_fatal_read_length;
535	u32 max_q_num;
536	u32 ib_offset;
537	u32 ob_offset;
538	u32 ci_offset;
539	u32 pi_offset;
540	u32 max_memcnt;
541};
542
543struct pm8001_work {
544	struct work_struct work;
545	struct pm8001_hba_info *pm8001_ha;
546	void *data;
547	int handler;
548};
549
550struct pm8001_fw_image_header {
551	u8 vender_id[8];
552	u8 product_id;
553	u8 hardware_rev;
554	u8 dest_partition;
555	u8 reserved;
556	u8 fw_rev[4];
557	__be32  image_length;
558	__be32 image_crc;
559	__be32 startup_entry;
560} __attribute__((packed, aligned(4)));
561
562
563/**
564 * FW Flash Update status values
565 */
566#define FLASH_UPDATE_COMPLETE_PENDING_REBOOT	0x00
567#define FLASH_UPDATE_IN_PROGRESS		0x01
568#define FLASH_UPDATE_HDR_ERR			0x02
569#define FLASH_UPDATE_OFFSET_ERR			0x03
570#define FLASH_UPDATE_CRC_ERR			0x04
571#define FLASH_UPDATE_LENGTH_ERR			0x05
572#define FLASH_UPDATE_HW_ERR			0x06
573#define FLASH_UPDATE_DNLD_NOT_SUPPORTED		0x10
574#define FLASH_UPDATE_DISABLED			0x11
575
576/* Device states */
577#define DS_OPERATIONAL				0x01
578#define DS_PORT_IN_RESET			0x02
579#define DS_IN_RECOVERY				0x03
580#define DS_IN_ERROR				0x04
581#define DS_NON_OPERATIONAL			0x07
582
583/**
584 * brief param structure for firmware flash update.
585 */
586struct fw_flash_updata_info {
587	u32			cur_image_offset;
588	u32			cur_image_len;
589	u32			total_image_len;
590	struct pm8001_prd	sgl;
591};
592
593struct fw_control_info {
594	u32			retcode;/*ret code (status)*/
595	u32			phase;/*ret code phase*/
596	u32			phaseCmplt;/*percent complete for the current
597	update phase */
598	u32			version;/*Hex encoded firmware version number*/
599	u32			offset;/*Used for downloading firmware	*/
600	u32			len; /*len of buffer*/
601	u32			size;/* Used in OS VPD and Trace get size
602	operations.*/
603	u32			reserved;/* padding required for 64 bit
604	alignment */
605	u8			buffer[];/* Start of buffer */
606};
607struct fw_control_ex {
608	struct fw_control_info *fw_control;
609	void			*buffer;/* keep buffer pointer to be
610	freed when the response comes*/
611	void			*virtAddr;/* keep virtual address of the data */
612	void			*usrAddr;/* keep virtual address of the
613	user data */
614	dma_addr_t		phys_addr;
615	u32			len; /* len of buffer  */
616	void			*payload; /* pointer to IOCTL Payload */
617	u8			inProgress;/*if 1 - the IOCTL request is in
618	progress */
619	void			*param1;
620	void			*param2;
621	void			*param3;
622};
623
624/* pm8001 workqueue */
625extern struct workqueue_struct *pm8001_wq;
626
627/******************** function prototype *********************/
628int pm8001_tag_alloc(struct pm8001_hba_info *pm8001_ha, u32 *tag_out);
629u32 pm8001_get_ncq_tag(struct sas_task *task, u32 *tag);
630void pm8001_ccb_task_free(struct pm8001_hba_info *pm8001_ha,
631			  struct pm8001_ccb_info *ccb);
632int pm8001_phy_control(struct asd_sas_phy *sas_phy, enum phy_func func,
633	void *funcdata);
634void pm8001_scan_start(struct Scsi_Host *shost);
635int pm8001_scan_finished(struct Scsi_Host *shost, unsigned long time);
636int pm8001_queue_command(struct sas_task *task, gfp_t gfp_flags);
637int pm8001_abort_task(struct sas_task *task);
638int pm8001_clear_task_set(struct domain_device *dev, u8 *lun);
639int pm8001_dev_found(struct domain_device *dev);
640void pm8001_dev_gone(struct domain_device *dev);
641int pm8001_lu_reset(struct domain_device *dev, u8 *lun);
642int pm8001_I_T_nexus_reset(struct domain_device *dev);
643int pm8001_I_T_nexus_event_handler(struct domain_device *dev);
644int pm8001_query_task(struct sas_task *task);
645void pm8001_port_formed(struct asd_sas_phy *sas_phy);
646void pm8001_open_reject_retry(
647	struct pm8001_hba_info *pm8001_ha,
648	struct sas_task *task_to_close,
649	struct pm8001_device *device_to_close);
650int pm8001_mem_alloc(struct pci_dev *pdev, void **virt_addr,
651	dma_addr_t *pphys_addr, u32 *pphys_addr_hi, u32 *pphys_addr_lo,
652	u32 mem_size, u32 align);
653
654void pm8001_chip_iounmap(struct pm8001_hba_info *pm8001_ha);
655int pm8001_mpi_build_cmd(struct pm8001_hba_info *pm8001_ha,
656			u32 q_index, u32 opCode, void *payload, size_t nb,
657			u32 responseQueue);
658int pm8001_mpi_msg_free_get(struct inbound_queue_table *circularQ,
659				u16 messageSize, void **messagePtr);
660u32 pm8001_mpi_msg_free_set(struct pm8001_hba_info *pm8001_ha, void *pMsg,
661			struct outbound_queue_table *circularQ, u8 bc);
662u32 pm8001_mpi_msg_consume(struct pm8001_hba_info *pm8001_ha,
663			struct outbound_queue_table *circularQ,
664			void **messagePtr1, u8 *pBC);
665int pm8001_chip_set_dev_state_req(struct pm8001_hba_info *pm8001_ha,
666			struct pm8001_device *pm8001_dev, u32 state);
667int pm8001_chip_fw_flash_update_req(struct pm8001_hba_info *pm8001_ha,
668					void *payload);
669int pm8001_chip_fw_flash_update_build(struct pm8001_hba_info *pm8001_ha,
670					void *fw_flash_updata_info, u32 tag);
671int pm8001_chip_set_nvmd_req(struct pm8001_hba_info *pm8001_ha, void *payload);
672int pm8001_chip_get_nvmd_req(struct pm8001_hba_info *pm8001_ha, void *payload);
673int pm8001_chip_ssp_tm_req(struct pm8001_hba_info *pm8001_ha,
674				struct pm8001_ccb_info *ccb,
675				struct sas_tmf_task *tmf);
676int pm8001_chip_abort_task(struct pm8001_hba_info *pm8001_ha,
677				struct pm8001_ccb_info *ccb);
678int pm8001_chip_dereg_dev_req(struct pm8001_hba_info *pm8001_ha, u32 device_id);
679void pm8001_chip_make_sg(struct scatterlist *scatter, int nr, void *prd);
680void pm8001_work_fn(struct work_struct *work);
681int pm8001_handle_event(struct pm8001_hba_info *pm8001_ha,
682					void *data, int handler);
683void pm8001_mpi_set_dev_state_resp(struct pm8001_hba_info *pm8001_ha,
684							void *piomb);
685void pm8001_mpi_set_nvmd_resp(struct pm8001_hba_info *pm8001_ha,
686							void *piomb);
687void pm8001_mpi_get_nvmd_resp(struct pm8001_hba_info *pm8001_ha,
688							void *piomb);
689int pm8001_mpi_local_phy_ctl(struct pm8001_hba_info *pm8001_ha,
690							void *piomb);
691void pm8001_get_lrate_mode(struct pm8001_phy *phy, u8 link_rate);
692void pm8001_get_attached_sas_addr(struct pm8001_phy *phy, u8 *sas_addr);
693void pm8001_bytes_dmaed(struct pm8001_hba_info *pm8001_ha, int i);
694int pm8001_mpi_reg_resp(struct pm8001_hba_info *pm8001_ha, void *piomb);
695int pm8001_mpi_dereg_resp(struct pm8001_hba_info *pm8001_ha, void *piomb);
696int pm8001_mpi_fw_flash_update_resp(struct pm8001_hba_info *pm8001_ha,
697							void *piomb);
698int pm8001_mpi_general_event(struct pm8001_hba_info *pm8001_ha, void *piomb);
699int pm8001_mpi_task_abort_resp(struct pm8001_hba_info *pm8001_ha, void *piomb);
700void pm8001_tag_free(struct pm8001_hba_info *pm8001_ha, u32 tag);
701struct pm8001_device *pm8001_find_dev(struct pm8001_hba_info *pm8001_ha,
702					u32 device_id);
703int pm80xx_set_thermal_config(struct pm8001_hba_info *pm8001_ha);
704
705int pm8001_bar4_shift(struct pm8001_hba_info *pm8001_ha, u32 shiftValue);
706void pm8001_set_phy_profile(struct pm8001_hba_info *pm8001_ha,
707	u32 length, u8 *buf);
708void pm8001_set_phy_profile_single(struct pm8001_hba_info *pm8001_ha,
709		u32 phy, u32 length, u32 *buf);
710int pm80xx_bar4_shift(struct pm8001_hba_info *pm8001_ha, u32 shiftValue);
711ssize_t pm80xx_get_fatal_dump(struct device *cdev,
712		struct device_attribute *attr, char *buf);
713ssize_t pm80xx_get_non_fatal_dump(struct device *cdev,
714		struct device_attribute *attr, char *buf);
715ssize_t pm8001_get_gsm_dump(struct device *cdev, u32, char *buf);
716int pm80xx_fatal_errors(struct pm8001_hba_info *pm8001_ha);
717void pm8001_free_dev(struct pm8001_device *pm8001_dev);
718/* ctl shared API */
719extern const struct attribute_group *pm8001_host_groups[];
720
721#define PM8001_INVALID_TAG	((u32)-1)
722
723/*
724 * Allocate a new tag and return the corresponding ccb after initializing it.
725 */
726static inline struct pm8001_ccb_info *
727pm8001_ccb_alloc(struct pm8001_hba_info *pm8001_ha,
728		 struct pm8001_device *dev, struct sas_task *task)
729{
730	struct pm8001_ccb_info *ccb;
731	struct request *rq = NULL;
732	u32 tag;
733
734	if (task)
735		rq = sas_task_find_rq(task);
736
737	if (rq) {
738		tag = rq->tag + PM8001_RESERVE_SLOT;
739	} else if (pm8001_tag_alloc(pm8001_ha, &tag)) {
740		pm8001_dbg(pm8001_ha, FAIL, "Failed to allocate a tag\n");
741		return NULL;
742	}
743
744	ccb = &pm8001_ha->ccb_info[tag];
745	ccb->task = task;
746	ccb->n_elem = 0;
747	ccb->ccb_tag = tag;
748	ccb->device = dev;
749	ccb->fw_control_context = NULL;
750	ccb->open_retry = 0;
751
752	return ccb;
753}
754
755/*
756 * Free the tag of an initialized ccb.
757 */
758static inline void pm8001_ccb_free(struct pm8001_hba_info *pm8001_ha,
759				   struct pm8001_ccb_info *ccb)
760{
761	u32 tag = ccb->ccb_tag;
762
763	/*
764	 * Cleanup the ccb to make sure that a manual scan of the adapter
765	 * ccb_info array can detect ccb's that are in use.
766	 * C.f. pm8001_open_reject_retry()
767	 */
768	ccb->task = NULL;
769	ccb->ccb_tag = PM8001_INVALID_TAG;
770	ccb->device = NULL;
771	ccb->fw_control_context = NULL;
772
773	pm8001_tag_free(pm8001_ha, tag);
774}
775
776static inline void pm8001_ccb_task_free_done(struct pm8001_hba_info *pm8001_ha,
777					     struct pm8001_ccb_info *ccb)
778{
779	struct sas_task *task = ccb->task;
780
781	pm8001_ccb_task_free(pm8001_ha, ccb);
782	smp_mb(); /*in order to force CPU ordering*/
783	task->task_done(task);
784}
785void pm8001_setds_completion(struct domain_device *dev);
786void pm8001_tmf_aborted(struct sas_task *task);
787
788#endif
789
790