kernel/drivers/scsi/pm8001/pm8001_sas.h

   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             "0.1.38"
  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_printk(format, arg...)   printk(KERN_INFO "pm80xx %s %d:" \
  70                         format, __func__, __LINE__, ## arg)
  71 #define PM8001_CHECK_LOGGING(HBA, LEVEL, CMD)   \
  72 do {                                            \
  73         if (unlikely(HBA->logging_level & LEVEL))       \
  74                 do {                                    \
  75                         CMD;                            \
  76                 } while (0);                            \
  77 } while (0);
  78
  79 #define PM8001_EH_DBG(HBA, CMD)                 \
  80         PM8001_CHECK_LOGGING(HBA, PM8001_EH_LOGGING, CMD)
  81
  82 #define PM8001_INIT_DBG(HBA, CMD)               \
  83         PM8001_CHECK_LOGGING(HBA, PM8001_INIT_LOGGING, CMD)
  84
  85 #define PM8001_DISC_DBG(HBA, CMD)               \
  86         PM8001_CHECK_LOGGING(HBA, PM8001_DISC_LOGGING, CMD)
  87
  88 #define PM8001_IO_DBG(HBA, CMD)         \
  89         PM8001_CHECK_LOGGING(HBA, PM8001_IO_LOGGING, CMD)
  90
  91 #define PM8001_FAIL_DBG(HBA, CMD)               \
  92         PM8001_CHECK_LOGGING(HBA, PM8001_FAIL_LOGGING, CMD)
  93
  94 #define PM8001_IOCTL_DBG(HBA, CMD)              \
  95         PM8001_CHECK_LOGGING(HBA, PM8001_IOCTL_LOGGING, CMD)
  96
  97 #define PM8001_MSG_DBG(HBA, CMD)                \
  98         PM8001_CHECK_LOGGING(HBA, PM8001_MSG_LOGGING, CMD)
  99
 100
 101 #define PM8001_USE_TASKLET
 102 #define PM8001_USE_MSIX
 103 #define PM8001_READ_VPD
 104
 105
 106 #define DEV_IS_EXPANDER(type)   ((type == SAS_EDGE_EXPANDER_DEVICE) || (type == SAS_FANOUT_EXPANDER_DEVICE))
 107 #define IS_SPCV_12G(dev)        ((dev->device == 0X8074)                \
 108                                 || (dev->device == 0X8076)              \
 109                                 || (dev->device == 0X8077)              \
 110                                 || (dev->device == 0X8070)              \
 111                                 || (dev->device == 0X8072))
 112
 113 #define PM8001_NAME_LENGTH              32/* generic length of strings */
 114 extern struct list_head hba_list;
 115 extern const struct pm8001_dispatch pm8001_8001_dispatch;
 116 extern const struct pm8001_dispatch pm8001_80xx_dispatch;
 117
 118 struct pm8001_hba_info;
 119 struct pm8001_ccb_info;
 120 struct pm8001_device;
 121 /* define task management IU */
 122 struct pm8001_tmf_task {
 123         u8      tmf;
 124         u32     tag_of_task_to_be_managed;
 125 };
 126 struct pm8001_ioctl_payload {
 127         u32     signature;
 128         u16     major_function;
 129         u16     minor_function;
 130         u16     length;
 131         u16     status;
 132         u16     offset;
 133         u16     id;
 134         u8      *func_specific;
 135 };
 136
 137 #define MPI_FATAL_ERROR_TABLE_OFFSET_MASK 0xFFFFFF
 138 #define MPI_FATAL_ERROR_TABLE_SIZE(value) ((0xFF000000 & value) >> SHIFT24)
 139 #define MPI_FATAL_EDUMP_TABLE_LO_OFFSET            0x00     /* HNFBUFL */
 140 #define MPI_FATAL_EDUMP_TABLE_HI_OFFSET            0x04     /* HNFBUFH */
 141 #define MPI_FATAL_EDUMP_TABLE_LENGTH               0x08     /* HNFBLEN */
 142 #define MPI_FATAL_EDUMP_TABLE_HANDSHAKE            0x0C     /* FDDHSHK */
 143 #define MPI_FATAL_EDUMP_TABLE_STATUS               0x10     /* FDDTSTAT */
 144 #define MPI_FATAL_EDUMP_TABLE_ACCUM_LEN            0x14     /* ACCDDLEN */
 145 #define MPI_FATAL_EDUMP_HANDSHAKE_RDY              0x1
 146 #define MPI_FATAL_EDUMP_HANDSHAKE_BUSY             0x0
 147 #define MPI_FATAL_EDUMP_TABLE_STAT_RSVD                 0x0
 148 #define MPI_FATAL_EDUMP_TABLE_STAT_DMA_FAILED           0x1
 149 #define MPI_FATAL_EDUMP_TABLE_STAT_NF_SUCCESS_MORE_DATA 0x2
 150 #define MPI_FATAL_EDUMP_TABLE_STAT_NF_SUCCESS_DONE      0x3
 151 #define TYPE_GSM_SPACE        1
 152 #define TYPE_QUEUE            2
 153 #define TYPE_FATAL            3
 154 #define TYPE_NON_FATAL        4
 155 #define TYPE_INBOUND          1
 156 #define TYPE_OUTBOUND         2
 157 struct forensic_data {
 158         u32  data_type;
 159         union {
 160                 struct {
 161                         u32  direct_len;
 162                         u32  direct_offset;
 163                         void  *direct_data;
 164                 } gsm_buf;
 165                 struct {
 166                         u16  queue_type;
 167                         u16  queue_index;
 168                         u32  direct_len;
 169                         void  *direct_data;
 170                 } queue_buf;
 171                 struct {
 172                         u32  direct_len;
 173                         u32  direct_offset;
 174                         u32  read_len;
 175                         void  *direct_data;
 176                 } data_buf;
 177         };
 178 };
 179
 180 /* bit31-26 - mask bar */
 181 #define SCRATCH_PAD0_BAR_MASK                    0xFC000000
 182 /* bit25-0  - offset mask */
 183 #define SCRATCH_PAD0_OFFSET_MASK                 0x03FFFFFF
 184 /* if AAP error state */
 185 #define SCRATCH_PAD0_AAPERR_MASK                 0xFFFFFFFF
 186 /* Inbound doorbell bit7 */
 187 #define SPCv_MSGU_CFG_TABLE_NONFATAL_DUMP        0x80
 188 /* Inbound doorbell bit7 SPCV */
 189 #define SPCV_MSGU_CFG_TABLE_TRANSFER_DEBUG_INFO  0x80
 190 #define MAIN_MERRDCTO_MERRDCES                   0xA0/* DWORD 0x28) */
 191
 192 struct pm8001_dispatch {
 193         char *name;
 194         int (*chip_init)(struct pm8001_hba_info *pm8001_ha);
 195         int (*chip_soft_rst)(struct pm8001_hba_info *pm8001_ha);
 196         void (*chip_rst)(struct pm8001_hba_info *pm8001_ha);
 197         int (*chip_ioremap)(struct pm8001_hba_info *pm8001_ha);
 198         void (*chip_iounmap)(struct pm8001_hba_info *pm8001_ha);
 199         irqreturn_t (*isr)(struct pm8001_hba_info *pm8001_ha, u8 vec);
 200         u32 (*is_our_interupt)(struct pm8001_hba_info *pm8001_ha);
 201         int (*isr_process_oq)(struct pm8001_hba_info *pm8001_ha, u8 vec);
 202         void (*interrupt_enable)(struct pm8001_hba_info *pm8001_ha, u8 vec);
 203         void (*interrupt_disable)(struct pm8001_hba_info *pm8001_ha, u8 vec);
 204         void (*make_prd)(struct scatterlist *scatter, int nr, void *prd);
 205         int (*smp_req)(struct pm8001_hba_info *pm8001_ha,
 206                 struct pm8001_ccb_info *ccb);
 207         int (*ssp_io_req)(struct pm8001_hba_info *pm8001_ha,
 208                 struct pm8001_ccb_info *ccb);
 209         int (*sata_req)(struct pm8001_hba_info *pm8001_ha,
 210                 struct pm8001_ccb_info *ccb);
 211         int (*phy_start_req)(struct pm8001_hba_info *pm8001_ha, u8 phy_id);
 212         int (*phy_stop_req)(struct pm8001_hba_info *pm8001_ha, u8 phy_id);
 213         int (*reg_dev_req)(struct pm8001_hba_info *pm8001_ha,
 214                 struct pm8001_device *pm8001_dev, u32 flag);
 215         int (*dereg_dev_req)(struct pm8001_hba_info *pm8001_ha, u32 device_id);
 216         int (*phy_ctl_req)(struct pm8001_hba_info *pm8001_ha,
 217                 u32 phy_id, u32 phy_op);
 218         int (*task_abort)(struct pm8001_hba_info *pm8001_ha,
 219                 struct pm8001_device *pm8001_dev, u8 flag, u32 task_tag,
 220                 u32 cmd_tag);
 221         int (*ssp_tm_req)(struct pm8001_hba_info *pm8001_ha,
 222                 struct pm8001_ccb_info *ccb, struct pm8001_tmf_task *tmf);
 223         int (*get_nvmd_req)(struct pm8001_hba_info *pm8001_ha, void *payload);
 224         int (*set_nvmd_req)(struct pm8001_hba_info *pm8001_ha, void *payload);
 225         int (*fw_flash_update_req)(struct pm8001_hba_info *pm8001_ha,
 226                 void *payload);
 227         int (*set_dev_state_req)(struct pm8001_hba_info *pm8001_ha,
 228                 struct pm8001_device *pm8001_dev, u32 state);
 229         int (*sas_diag_start_end_req)(struct pm8001_hba_info *pm8001_ha,
 230                 u32 state);
 231         int (*sas_diag_execute_req)(struct pm8001_hba_info *pm8001_ha,
 232                 u32 state);
 233         int (*sas_re_init_req)(struct pm8001_hba_info *pm8001_ha);
 234 };
 235
 236 struct pm8001_chip_info {
 237         u32     encrypt;
 238         u32     n_phy;
 239         const struct pm8001_dispatch    *dispatch;
 240 };
 241 #define PM8001_CHIP_DISP        (pm8001_ha->chip->dispatch)
 242
 243 struct pm8001_port {
 244         struct asd_sas_port     sas_port;
 245         u8                      port_attached;
 246         u16                     wide_port_phymap;
 247         u8                      port_state;
 248         struct list_head        list;
 249 };
 250
 251 struct pm8001_phy {
 252         struct pm8001_hba_info  *pm8001_ha;
 253         struct pm8001_port      *port;
 254         struct asd_sas_phy      sas_phy;
 255         struct sas_identify     identify;
 256         struct scsi_device      *sdev;
 257         u64                     dev_sas_addr;
 258         u32                     phy_type;
 259         struct completion       *enable_completion;
 260         u32                     frame_rcvd_size;
 261         u8                      frame_rcvd[32];
 262         u8                      phy_attached;
 263         u8                      phy_state;
 264         enum sas_linkrate       minimum_linkrate;
 265         enum sas_linkrate       maximum_linkrate;
 266 };
 267
 268 struct pm8001_device {
 269         enum sas_device_type    dev_type;
 270         struct domain_device    *sas_device;
 271         u32                     attached_phy;
 272         u32                     id;
 273         struct completion       *dcompletion;
 274         struct completion       *setds_completion;
 275         u32                     device_id;
 276         u32                     running_req;
 277 };
 278
 279 struct pm8001_prd_imt {
 280         __le32                  len;
 281         __le32                  e;
 282 };
 283
 284 struct pm8001_prd {
 285         __le64                  addr;           /* 64-bit buffer address */
 286         struct pm8001_prd_imt   im_len;         /* 64-bit length */
 287 } __attribute__ ((packed));
 288 /*
 289  * CCB(Command Control Block)
 290  */
 291 struct pm8001_ccb_info {
 292         struct list_head        entry;
 293         struct sas_task         *task;
 294         u32                     n_elem;
 295         u32                     ccb_tag;
 296         dma_addr_t              ccb_dma_handle;
 297         struct pm8001_device    *device;
 298         struct pm8001_prd       buf_prd[PM8001_MAX_DMA_SG];
 299         struct fw_control_ex    *fw_control_context;
 300         u8                      open_retry;
 301 };
 302
 303 struct mpi_mem {
 304         void                    *virt_ptr;
 305         dma_addr_t              phys_addr;
 306         u32                     phys_addr_hi;
 307         u32                     phys_addr_lo;
 308         u32                     total_len;
 309         u32                     num_elements;
 310         u32                     element_size;
 311         u32                     alignment;
 312 };
 313
 314 struct mpi_mem_req {
 315         /* The number of element in the  mpiMemory array */
 316         u32                     count;
 317         /* The array of structures that define memroy regions*/
 318         struct mpi_mem          region[USI_MAX_MEMCNT];
 319 };
 320
 321 struct encrypt {
 322         u32     cipher_mode;
 323         u32     sec_mode;
 324         u32     status;
 325         u32     flag;
 326 };
 327
 328 struct sas_phy_attribute_table {
 329         u32     phystart1_16[16];
 330         u32     outbound_hw_event_pid1_16[16];
 331 };
 332
 333 union main_cfg_table {
 334         struct {
 335         u32                     signature;
 336         u32                     interface_rev;
 337         u32                     firmware_rev;
 338         u32                     max_out_io;
 339         u32                     max_sgl;
 340         u32                     ctrl_cap_flag;
 341         u32                     gst_offset;
 342         u32                     inbound_queue_offset;
 343         u32                     outbound_queue_offset;
 344         u32                     inbound_q_nppd_hppd;
 345         u32                     outbound_hw_event_pid0_3;
 346         u32                     outbound_hw_event_pid4_7;
 347         u32                     outbound_ncq_event_pid0_3;
 348         u32                     outbound_ncq_event_pid4_7;
 349         u32                     outbound_tgt_ITNexus_event_pid0_3;
 350         u32                     outbound_tgt_ITNexus_event_pid4_7;
 351         u32                     outbound_tgt_ssp_event_pid0_3;
 352         u32                     outbound_tgt_ssp_event_pid4_7;
 353         u32                     outbound_tgt_smp_event_pid0_3;
 354         u32                     outbound_tgt_smp_event_pid4_7;
 355         u32                     upper_event_log_addr;
 356         u32                     lower_event_log_addr;
 357         u32                     event_log_size;
 358         u32                     event_log_option;
 359         u32                     upper_iop_event_log_addr;
 360         u32                     lower_iop_event_log_addr;
 361         u32                     iop_event_log_size;
 362         u32                     iop_event_log_option;
 363         u32                     fatal_err_interrupt;
 364         u32                     fatal_err_dump_offset0;
 365         u32                     fatal_err_dump_length0;
 366         u32                     fatal_err_dump_offset1;
 367         u32                     fatal_err_dump_length1;
 368         u32                     hda_mode_flag;
 369         u32                     anolog_setup_table_offset;
 370         u32                     rsvd[4];
 371         } pm8001_tbl;
 372
 373         struct {
 374         u32                     signature;
 375         u32                     interface_rev;
 376         u32                     firmware_rev;
 377         u32                     max_out_io;
 378         u32                     max_sgl;
 379         u32                     ctrl_cap_flag;
 380         u32                     gst_offset;
 381         u32                     inbound_queue_offset;
 382         u32                     outbound_queue_offset;
 383         u32                     inbound_q_nppd_hppd;
 384         u32                     rsvd[8];
 385         u32                     crc_core_dump;
 386         u32                     rsvd1;
 387         u32                     upper_event_log_addr;
 388         u32                     lower_event_log_addr;
 389         u32                     event_log_size;
 390         u32                     event_log_severity;
 391         u32                     upper_pcs_event_log_addr;
 392         u32                     lower_pcs_event_log_addr;
 393         u32                     pcs_event_log_size;
 394         u32                     pcs_event_log_severity;
 395         u32                     fatal_err_interrupt;
 396         u32                     fatal_err_dump_offset0;
 397         u32                     fatal_err_dump_length0;
 398         u32                     fatal_err_dump_offset1;
 399         u32                     fatal_err_dump_length1;
 400         u32                     gpio_led_mapping;
 401         u32                     analog_setup_table_offset;
 402         u32                     int_vec_table_offset;
 403         u32                     phy_attr_table_offset;
 404         u32                     port_recovery_timer;
 405         u32                     interrupt_reassertion_delay;
 406         u32                     fatal_n_non_fatal_dump;         /* 0x28 */
 407         } pm80xx_tbl;
 408 };
 409
 410 union general_status_table {
 411         struct {
 412         u32                     gst_len_mpistate;
 413         u32                     iq_freeze_state0;
 414         u32                     iq_freeze_state1;
 415         u32                     msgu_tcnt;
 416         u32                     iop_tcnt;
 417         u32                     rsvd;
 418         u32                     phy_state[8];
 419         u32                     gpio_input_val;
 420         u32                     rsvd1[2];
 421         u32                     recover_err_info[8];
 422         } pm8001_tbl;
 423         struct {
 424         u32                     gst_len_mpistate;
 425         u32                     iq_freeze_state0;
 426         u32                     iq_freeze_state1;
 427         u32                     msgu_tcnt;
 428         u32                     iop_tcnt;
 429         u32                     rsvd[9];
 430         u32                     gpio_input_val;
 431         u32                     rsvd1[2];
 432         u32                     recover_err_info[8];
 433         } pm80xx_tbl;
 434 };
 435 struct inbound_queue_table {
 436         u32                     element_pri_size_cnt;
 437         u32                     upper_base_addr;
 438         u32                     lower_base_addr;
 439         u32                     ci_upper_base_addr;
 440         u32                     ci_lower_base_addr;
 441         u32                     pi_pci_bar;
 442         u32                     pi_offset;
 443         u32                     total_length;
 444         void                    *base_virt;
 445         void                    *ci_virt;
 446         u32                     reserved;
 447         __le32                  consumer_index;
 448         u32                     producer_idx;
 449 };
 450 struct outbound_queue_table {
 451         u32                     element_size_cnt;
 452         u32                     upper_base_addr;
 453         u32                     lower_base_addr;
 454         void                    *base_virt;
 455         u32                     pi_upper_base_addr;
 456         u32                     pi_lower_base_addr;
 457         u32                     ci_pci_bar;
 458         u32                     ci_offset;
 459         u32                     total_length;
 460         void                    *pi_virt;
 461         u32                     interrup_vec_cnt_delay;
 462         u32                     dinterrup_to_pci_offset;
 463         __le32                  producer_index;
 464         u32                     consumer_idx;
 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                     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_SPCV_INB_NUM];
 505         struct outbound_queue_table     outbnd_q_tbl[PM8001_MAX_SPCV_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         int                     tags_num;
 515         unsigned long           *tags;
 516         struct pm8001_phy       phy[PM8001_MAX_PHYS];
 517         struct pm8001_port      port[PM8001_MAX_PHYS];
 518         u32                     id;
 519         u32                     irq;
 520         u32                     iomb_size; /* SPC and SPCV IOMB size */
 521         struct pm8001_device    *devices;
 522         struct pm8001_ccb_info  *ccb_info;
 523 #ifdef PM8001_USE_MSIX
 524         struct msix_entry       msix_entries[PM8001_MAX_MSIX_VEC];
 525                                         /*for msi-x interrupt*/
 526         int                     number_of_intr;/*will be used in remove()*/
 527 #endif
 528 #ifdef PM8001_USE_TASKLET
 529         struct tasklet_struct   tasklet[PM8001_MAX_MSIX_VEC];
 530 #endif
 531         u32                     logging_level;
 532         u32                     fw_status;
 533         u32                     smp_exp_mode;
 534         const struct firmware   *fw_image;
 535         struct isr_param irq_vector[PM8001_MAX_MSIX_VEC];
 536 };
 537
 538 struct pm8001_work {
 539         struct work_struct work;
 540         struct pm8001_hba_info *pm8001_ha;
 541         void *data;
 542         int handler;
 543 };
 544
 545 struct pm8001_fw_image_header {
 546         u8 vender_id[8];
 547         u8 product_id;
 548         u8 hardware_rev;
 549         u8 dest_partition;
 550         u8 reserved;
 551         u8 fw_rev[4];
 552         __be32  image_length;
 553         __be32 image_crc;
 554         __be32 startup_entry;
 555 } __attribute__((packed, aligned(4)));
 556
 557
 558 /**
 559  * FW Flash Update status values
 560  */
 561 #define FLASH_UPDATE_COMPLETE_PENDING_REBOOT    0x00
 562 #define FLASH_UPDATE_IN_PROGRESS                0x01
 563 #define FLASH_UPDATE_HDR_ERR                    0x02
 564 #define FLASH_UPDATE_OFFSET_ERR                 0x03
 565 #define FLASH_UPDATE_CRC_ERR                    0x04
 566 #define FLASH_UPDATE_LENGTH_ERR                 0x05
 567 #define FLASH_UPDATE_HW_ERR                     0x06
 568 #define FLASH_UPDATE_DNLD_NOT_SUPPORTED         0x10
 569 #define FLASH_UPDATE_DISABLED                   0x11
 570
 571 #define NCQ_READ_LOG_FLAG                       0x80000000
 572 #define NCQ_ABORT_ALL_FLAG                      0x40000000
 573 #define NCQ_2ND_RLE_FLAG                        0x20000000
 574
 575 /* Device states */
 576 #define DS_OPERATIONAL                          0x01
 577 #define DS_PORT_IN_RESET                        0x02
 578 #define DS_IN_RECOVERY                          0x03
 579 #define DS_IN_ERROR                             0x04
 580 #define DS_NON_OPERATIONAL                      0x07
 581
 582 /**
 583  * brief param structure for firmware flash update.
 584  */
 585 struct fw_flash_updata_info {
 586         u32                     cur_image_offset;
 587         u32                     cur_image_len;
 588         u32                     total_image_len;
 589         struct pm8001_prd       sgl;
 590 };
 591
 592 struct fw_control_info {
 593         u32                     retcode;/*ret code (status)*/
 594         u32                     phase;/*ret code phase*/
 595         u32                     phaseCmplt;/*percent complete for the current
 596         update phase */
 597         u32                     version;/*Hex encoded firmware version number*/
 598         u32                     offset;/*Used for downloading firmware  */
 599         u32                     len; /*len of buffer*/
 600         u32                     size;/* Used in OS VPD and Trace get size
 601         operations.*/
 602         u32                     reserved;/* padding required for 64 bit
 603         alignment */
 604         u8                      buffer[1];/* Start of buffer */
 605 };
 606 struct fw_control_ex {
 607         struct fw_control_info *fw_control;
 608         void                    *buffer;/* keep buffer pointer to be
 609         freed when the response comes*/
 610         void                    *virtAddr;/* keep virtual address of the data */
 611         void                    *usrAddr;/* keep virtual address of the
 612         user data */
 613         dma_addr_t              phys_addr;
 614         u32                     len; /* len of buffer  */
 615         void                    *payload; /* pointer to IOCTL Payload */
 616         u8                      inProgress;/*if 1 - the IOCTL request is in
 617         progress */
 618         void                    *param1;
 619         void                    *param2;
 620         void                    *param3;
 621 };
 622
 623 /* pm8001 workqueue */
 624 extern struct workqueue_struct *pm8001_wq;
 625
 626 /******************** function prototype *********************/
 627 int pm8001_tag_alloc(struct pm8001_hba_info *pm8001_ha, u32 *tag_out);
 628 void pm8001_tag_init(struct pm8001_hba_info *pm8001_ha);
 629 u32 pm8001_get_ncq_tag(struct sas_task *task, u32 *tag);
 630 void pm8001_ccb_task_free(struct pm8001_hba_info *pm8001_ha,
 631         struct sas_task *task, struct pm8001_ccb_info *ccb, u32 ccb_idx);
 632 int pm8001_phy_control(struct asd_sas_phy *sas_phy, enum phy_func func,
 633         void *funcdata);
 634 void pm8001_scan_start(struct Scsi_Host *shost);
 635 int pm8001_scan_finished(struct Scsi_Host *shost, unsigned long time);
 636 int pm8001_queue_command(struct sas_task *task, gfp_t gfp_flags);
 637 int pm8001_abort_task(struct sas_task *task);
 638 int pm8001_abort_task_set(struct domain_device *dev, u8 *lun);
 639 int pm8001_clear_aca(struct domain_device *dev, u8 *lun);
 640 int pm8001_clear_task_set(struct domain_device *dev, u8 *lun);
 641 int pm8001_dev_found(struct domain_device *dev);
 642 void pm8001_dev_gone(struct domain_device *dev);
 643 int pm8001_lu_reset(struct domain_device *dev, u8 *lun);
 644 int pm8001_I_T_nexus_reset(struct domain_device *dev);
 645 int pm8001_I_T_nexus_event_handler(struct domain_device *dev);
 646 int pm8001_query_task(struct sas_task *task);
 647 void pm8001_open_reject_retry(
 648         struct pm8001_hba_info *pm8001_ha,
 649         struct sas_task *task_to_close,
 650         struct pm8001_device *device_to_close);
 651 int pm8001_mem_alloc(struct pci_dev *pdev, void **virt_addr,
 652         dma_addr_t *pphys_addr, u32 *pphys_addr_hi, u32 *pphys_addr_lo,
 653         u32 mem_size, u32 align);
 654
 655 void pm8001_chip_iounmap(struct pm8001_hba_info *pm8001_ha);
 656 int pm8001_mpi_build_cmd(struct pm8001_hba_info *pm8001_ha,
 657                         struct inbound_queue_table *circularQ,
 658                         u32 opCode, void *payload, u32 responseQueue);
 659 int pm8001_mpi_msg_free_get(struct inbound_queue_table *circularQ,
 660                                 u16 messageSize, void **messagePtr);
 661 u32 pm8001_mpi_msg_free_set(struct pm8001_hba_info *pm8001_ha, void *pMsg,
 662                         struct outbound_queue_table *circularQ, u8 bc);
 663 u32 pm8001_mpi_msg_consume(struct pm8001_hba_info *pm8001_ha,
 664                         struct outbound_queue_table *circularQ,
 665                         void **messagePtr1, u8 *pBC);
 666 int pm8001_chip_set_dev_state_req(struct pm8001_hba_info *pm8001_ha,
 667                         struct pm8001_device *pm8001_dev, u32 state);
 668 int pm8001_chip_fw_flash_update_req(struct pm8001_hba_info *pm8001_ha,
 669                                         void *payload);
 670 int pm8001_chip_fw_flash_update_build(struct pm8001_hba_info *pm8001_ha,
 671                                         void *fw_flash_updata_info, u32 tag);
 672 int pm8001_chip_set_nvmd_req(struct pm8001_hba_info *pm8001_ha, void *payload);
 673 int pm8001_chip_get_nvmd_req(struct pm8001_hba_info *pm8001_ha, void *payload);
 674 int pm8001_chip_ssp_tm_req(struct pm8001_hba_info *pm8001_ha,
 675                                 struct pm8001_ccb_info *ccb,
 676                                 struct pm8001_tmf_task *tmf);
 677 int pm8001_chip_abort_task(struct pm8001_hba_info *pm8001_ha,
 678                                 struct pm8001_device *pm8001_dev,
 679                                 u8 flag, u32 task_tag, u32 cmd_tag);
 680 int pm8001_chip_dereg_dev_req(struct pm8001_hba_info *pm8001_ha, u32 device_id);
 681 void pm8001_chip_make_sg(struct scatterlist *scatter, int nr, void *prd);
 682 void pm8001_work_fn(struct work_struct *work);
 683 int pm8001_handle_event(struct pm8001_hba_info *pm8001_ha,
 684                                         void *data, int handler);
 685 void pm8001_mpi_set_dev_state_resp(struct pm8001_hba_info *pm8001_ha,
 686                                                         void *piomb);
 687 void pm8001_mpi_set_nvmd_resp(struct pm8001_hba_info *pm8001_ha,
 688                                                         void *piomb);
 689 void pm8001_mpi_get_nvmd_resp(struct pm8001_hba_info *pm8001_ha,
 690                                                         void *piomb);
 691 int pm8001_mpi_local_phy_ctl(struct pm8001_hba_info *pm8001_ha,
 692                                                         void *piomb);
 693 void pm8001_get_lrate_mode(struct pm8001_phy *phy, u8 link_rate);
 694 void pm8001_get_attached_sas_addr(struct pm8001_phy *phy, u8 *sas_addr);
 695 void pm8001_bytes_dmaed(struct pm8001_hba_info *pm8001_ha, int i);
 696 int pm8001_mpi_reg_resp(struct pm8001_hba_info *pm8001_ha, void *piomb);
 697 int pm8001_mpi_dereg_resp(struct pm8001_hba_info *pm8001_ha, void *piomb);
 698 int pm8001_mpi_fw_flash_update_resp(struct pm8001_hba_info *pm8001_ha,
 699                                                         void *piomb);
 700 int pm8001_mpi_general_event(struct pm8001_hba_info *pm8001_ha , void *piomb);
 701 int pm8001_mpi_task_abort_resp(struct pm8001_hba_info *pm8001_ha, void *piomb);
 702 struct sas_task *pm8001_alloc_task(void);
 703 void pm8001_task_done(struct sas_task *task);
 704 void pm8001_free_task(struct sas_task *task);
 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 pm8001_get_gsm_dump(struct device *cdev, u32, char *buf);
 719 /* ctl shared API */
 720 extern struct device_attribute *pm8001_host_attrs[];
 721
 722 static inline void
 723 pm8001_ccb_task_free_done(struct pm8001_hba_info *pm8001_ha,
 724                         struct sas_task *task, struct pm8001_ccb_info *ccb,
 725                         u32 ccb_idx)
 726 {
 727         pm8001_ccb_task_free(pm8001_ha, task, ccb, ccb_idx);
 728         smp_mb(); /*in order to force CPU ordering*/
 729         spin_unlock(&pm8001_ha->lock);
 730         task->task_done(task);
 731         spin_lock(&pm8001_ha->lock);
 732 }
 733
 734 #endif
 735