drivers/scsi/megaraid/megaraid_mbox.h

   1 /* SPDX-License-Identifier: GPL-2.0-or-later */
   2 /*
   3  *
   4  *                      Linux MegaRAID device driver
   5  *
   6  * Copyright (c) 2003-2004  LSI Logic Corporation.
   7  *
   8  * FILE         : megaraid_mbox.h
   9  */
  10
  11 #ifndef _MEGARAID_H_
  12 #define _MEGARAID_H_
  13
  14
  15 #include "mega_common.h"
  16 #include "mbox_defs.h"
  17 #include "megaraid_ioctl.h"
  18
  19
  20 #define MEGARAID_VERSION        "2.20.5.1"
  21 #define MEGARAID_EXT_VERSION    "(Release Date: Thu Nov 16 15:32:35 EST 2006)"
  22
  23
  24 /*
  25  * Define some PCI values here until they are put in the kernel
  26  */
  27 #define PCI_DEVICE_ID_PERC4_DI_DISCOVERY                0x000E
  28 #define PCI_SUBSYS_ID_PERC4_DI_DISCOVERY                0x0123
  29
  30 #define PCI_DEVICE_ID_PERC4_SC                          0x1960
  31 #define PCI_SUBSYS_ID_PERC4_SC                          0x0520
  32
  33 #define PCI_DEVICE_ID_PERC4_DC                          0x1960
  34 #define PCI_SUBSYS_ID_PERC4_DC                          0x0518
  35
  36 #define PCI_DEVICE_ID_VERDE                             0x0407
  37
  38 #define PCI_DEVICE_ID_PERC4_DI_EVERGLADES               0x000F
  39 #define PCI_SUBSYS_ID_PERC4_DI_EVERGLADES               0x014A
  40
  41 #define PCI_DEVICE_ID_PERC4E_SI_BIGBEND                 0x0013
  42 #define PCI_SUBSYS_ID_PERC4E_SI_BIGBEND                 0x016c
  43
  44 #define PCI_DEVICE_ID_PERC4E_DI_KOBUK                   0x0013
  45 #define PCI_SUBSYS_ID_PERC4E_DI_KOBUK                   0x016d
  46
  47 #define PCI_DEVICE_ID_PERC4E_DI_CORVETTE                0x0013
  48 #define PCI_SUBSYS_ID_PERC4E_DI_CORVETTE                0x016e
  49
  50 #define PCI_DEVICE_ID_PERC4E_DI_EXPEDITION              0x0013
  51 #define PCI_SUBSYS_ID_PERC4E_DI_EXPEDITION              0x016f
  52
  53 #define PCI_DEVICE_ID_PERC4E_DI_GUADALUPE               0x0013
  54 #define PCI_SUBSYS_ID_PERC4E_DI_GUADALUPE               0x0170
  55
  56 #define PCI_DEVICE_ID_DOBSON                            0x0408
  57
  58 #define PCI_DEVICE_ID_MEGARAID_SCSI_320_0               0x1960
  59 #define PCI_SUBSYS_ID_MEGARAID_SCSI_320_0               0xA520
  60
  61 #define PCI_DEVICE_ID_MEGARAID_SCSI_320_1               0x1960
  62 #define PCI_SUBSYS_ID_MEGARAID_SCSI_320_1               0x0520
  63
  64 #define PCI_DEVICE_ID_MEGARAID_SCSI_320_2               0x1960
  65 #define PCI_SUBSYS_ID_MEGARAID_SCSI_320_2               0x0518
  66
  67 #define PCI_DEVICE_ID_MEGARAID_I4_133_RAID              0x1960
  68 #define PCI_SUBSYS_ID_MEGARAID_I4_133_RAID              0x0522
  69
  70 #define PCI_DEVICE_ID_MEGARAID_SATA_150_4               0x1960
  71 #define PCI_SUBSYS_ID_MEGARAID_SATA_150_4               0x4523
  72
  73 #define PCI_DEVICE_ID_MEGARAID_SATA_150_6               0x1960
  74 #define PCI_SUBSYS_ID_MEGARAID_SATA_150_6               0x0523
  75
  76 #define PCI_DEVICE_ID_LINDSAY                           0x0409
  77
  78 #define PCI_DEVICE_ID_INTEL_RAID_SRCS16                 0x1960
  79 #define PCI_SUBSYS_ID_INTEL_RAID_SRCS16                 0x0523
  80
  81 #define PCI_DEVICE_ID_INTEL_RAID_SRCU41L_LAKE_SHETEK    0x1960
  82 #define PCI_SUBSYS_ID_INTEL_RAID_SRCU41L_LAKE_SHETEK    0x0520
  83
  84 #define PCI_SUBSYS_ID_PERC3_QC                          0x0471
  85 #define PCI_SUBSYS_ID_PERC3_DC                          0x0493
  86 #define PCI_SUBSYS_ID_PERC3_SC                          0x0475
  87 #define PCI_SUBSYS_ID_CERC_ATA100_4CH                   0x0511
  88
  89
  90 #define MBOX_MAX_SCSI_CMDS      128     // number of cmds reserved for kernel
  91 #define MBOX_MAX_USER_CMDS      32      // number of cmds for applications
  92 #define MBOX_DEF_CMD_PER_LUN    64      // default commands per lun
  93 #define MBOX_DEFAULT_SG_SIZE    26      // default sg size supported by all fw
  94 #define MBOX_MAX_SG_SIZE        32      // maximum scatter-gather list size
  95 #define MBOX_MAX_SECTORS        128     // maximum sectors per IO
  96 #define MBOX_TIMEOUT            30      // timeout value for internal cmds
  97 #define MBOX_BUSY_WAIT          10      // max usec to wait for busy mailbox
  98 #define MBOX_RESET_WAIT         180     // wait these many seconds in reset
  99 #define MBOX_RESET_EXT_WAIT     120     // extended wait reset
 100 #define MBOX_SYNC_WAIT_CNT      0xFFFF  // wait loop index for synchronous mode
 101
 102 #define MBOX_SYNC_DELAY_200     200     // 200 micro-seconds
 103
 104 /*
 105  * maximum transfer that can happen through the firmware commands issued
 106  * internnaly from the driver.
 107  */
 108 #define MBOX_IBUF_SIZE          4096
 109
 110
 111 /**
 112  * mbox_ccb_t - command control block specific to mailbox based controllers
 113  * @raw_mbox            : raw mailbox pointer
 114  * @mbox                : mailbox
 115  * @mbox64              : extended mailbox
 116  * @mbox_dma_h          : mailbox dma address
 117  * @sgl64               : 64-bit scatter-gather list
 118  * @sgl32               : 32-bit scatter-gather list
 119  * @sgl_dma_h           : dma handle for the scatter-gather list
 120  * @pthru               : passthru structure
 121  * @pthru_dma_h         : dma handle for the passthru structure
 122  * @epthru              : extended passthru structure
 123  * @epthru_dma_h        : dma handle for extended passthru structure
 124  * @buf_dma_h           : dma handle for buffers w/o sg list
 125  *
 126  * command control block specific to the mailbox based controllers
 127  */
 128 typedef struct {
 129         uint8_t                 *raw_mbox;
 130         mbox_t                  *mbox;
 131         mbox64_t                *mbox64;
 132         dma_addr_t              mbox_dma_h;
 133         mbox_sgl64              *sgl64;
 134         mbox_sgl32              *sgl32;
 135         dma_addr_t              sgl_dma_h;
 136         mraid_passthru_t        *pthru;
 137         dma_addr_t              pthru_dma_h;
 138         mraid_epassthru_t       *epthru;
 139         dma_addr_t              epthru_dma_h;
 140         dma_addr_t              buf_dma_h;
 141 } mbox_ccb_t;
 142
 143
 144 /**
 145  * mraid_device_t - adapter soft state structure for mailbox controllers
 146  * @una_mbox64                  : 64-bit mbox - unaligned
 147  * @una_mbox64_dma              : mbox dma addr - unaligned
 148  * @mbox                        : 32-bit mbox - aligned
 149  * @mbox64                      : 64-bit mbox - aligned
 150  * @mbox_dma                    : mbox dma addr - aligned
 151  * @mailbox_lock                : exclusion lock for the mailbox
 152  * @baseport                    : base port of hba memory
 153  * @baseaddr                    : mapped addr of hba memory
 154  * @mbox_pool                   : pool of mailboxes
 155  * @mbox_pool_handle            : handle for the mailbox pool memory
 156  * @epthru_pool                 : a pool for extended passthru commands
 157  * @epthru_pool_handle          : handle to the pool above
 158  * @sg_pool                     : pool of scatter-gather lists for this driver
 159  * @sg_pool_handle              : handle to the pool above
 160  * @ccb_list                    : list of our command control blocks
 161  * @uccb_list                   : list of cmd control blocks for mgmt module
 162  * @umbox64                     : array of mailbox for user commands (cmm)
 163  * @pdrv_state                  : array for state of each physical drive.
 164  * @last_disp                   : flag used to show device scanning
 165  * @hw_error                    : set if FW not responding
 166  * @fast_load                   : If set, skip physical device scanning
 167  * @channel_class               : channel class, RAID or SCSI
 168  * @sysfs_mtx                   : mutex to serialize access to sysfs res.
 169  * @sysfs_uioc                  : management packet to issue FW calls from sysfs
 170  * @sysfs_mbox64                : mailbox packet to issue FW calls from sysfs
 171  * @sysfs_buffer                : data buffer for FW commands issued from sysfs
 172  * @sysfs_buffer_dma            : DMA buffer for FW commands issued from sysfs
 173  * @sysfs_wait_q                : wait queue for sysfs operations
 174  * @random_del_supported        : set if the random deletion is supported
 175  * @curr_ldmap                  : current LDID map
 176  *
 177  * Initialization structure for mailbox controllers: memory based and IO based
 178  * All the fields in this structure are LLD specific and may be discovered at
 179  * init() or start() time.
 180  *
 181  * NOTE: The fields of this structures are placed to minimize cache misses
 182  */
 183 #define MAX_LD_EXTENDED64       64
 184 typedef struct {
 185         mbox64_t                        *una_mbox64;
 186         dma_addr_t                      una_mbox64_dma;
 187         mbox_t                          *mbox;
 188         mbox64_t                        *mbox64;
 189         dma_addr_t                      mbox_dma;
 190         spinlock_t                      mailbox_lock;
 191         unsigned long                   baseport;
 192         void __iomem *                  baseaddr;
 193         struct mraid_pci_blk            mbox_pool[MBOX_MAX_SCSI_CMDS];
 194         struct dma_pool                 *mbox_pool_handle;
 195         struct mraid_pci_blk            epthru_pool[MBOX_MAX_SCSI_CMDS];
 196         struct dma_pool                 *epthru_pool_handle;
 197         struct mraid_pci_blk            sg_pool[MBOX_MAX_SCSI_CMDS];
 198         struct dma_pool                 *sg_pool_handle;
 199         mbox_ccb_t                      ccb_list[MBOX_MAX_SCSI_CMDS];
 200         mbox_ccb_t                      uccb_list[MBOX_MAX_USER_CMDS];
 201         mbox64_t                        umbox64[MBOX_MAX_USER_CMDS];
 202
 203         uint8_t                         pdrv_state[MBOX_MAX_PHYSICAL_DRIVES];
 204         uint32_t                        last_disp;
 205         int                             hw_error;
 206         int                             fast_load;
 207         uint8_t                         channel_class;
 208         struct mutex                    sysfs_mtx;
 209         uioc_t                          *sysfs_uioc;
 210         mbox64_t                        *sysfs_mbox64;
 211         caddr_t                         sysfs_buffer;
 212         dma_addr_t                      sysfs_buffer_dma;
 213         wait_queue_head_t               sysfs_wait_q;
 214         int                             random_del_supported;
 215         uint16_t                        curr_ldmap[MAX_LD_EXTENDED64];
 216 } mraid_device_t;
 217
 218 // route to raid device from adapter
 219 #define ADAP2RAIDDEV(adp)       ((mraid_device_t *)((adp)->raid_device))
 220
 221 #define MAILBOX_LOCK(rdev)      (&(rdev)->mailbox_lock)
 222
 223 // Find out if this channel is a RAID or SCSI
 224 #define IS_RAID_CH(rdev, ch)    (((rdev)->channel_class >> (ch)) & 0x01)
 225
 226
 227 #define RDINDOOR(rdev)          readl((rdev)->baseaddr + 0x20)
 228 #define RDOUTDOOR(rdev)         readl((rdev)->baseaddr + 0x2C)
 229 #define WRINDOOR(rdev, value)   writel(value, (rdev)->baseaddr + 0x20)
 230 #define WROUTDOOR(rdev, value)  writel(value, (rdev)->baseaddr + 0x2C)
 231
 232 #endif // _MEGARAID_H_
 233
 234 // vim: set ts=8 sw=8 tw=78: