Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* |
| 2 | * |
| 3 | * Linux MegaRAID device driver |
| 4 | * |
| 5 | * Copyright (c) 2003-2004 LSI Logic Corporation. |
| 6 | * |
| 7 | * This program is free software; you can redistribute it and/or |
| 8 | * modify it under the terms of the GNU General Public License |
| 9 | * as published by the Free Software Foundation; either version |
| 10 | * 2 of the License, or (at your option) any later version. |
| 11 | * |
| 12 | * FILE : megaraid_mbox.h |
| 13 | */ |
| 14 | |
| 15 | #ifndef _MEGARAID_H_ |
| 16 | #define _MEGARAID_H_ |
| 17 | |
| 18 | |
| 19 | #include "mega_common.h" |
| 20 | #include "mbox_defs.h" |
| 21 | #include "megaraid_ioctl.h" |
| 22 | |
| 23 | |
Ju, Seokmann | ed7e8ef | 2005-11-17 13:17:25 -0500 | [diff] [blame] | 24 | #define MEGARAID_VERSION "2.20.4.7" |
| 25 | #define MEGARAID_EXT_VERSION "(Release Date: Mon Nov 14 12:27:22 EST 2005)" |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 26 | |
| 27 | |
| 28 | /* |
| 29 | * Define some PCI values here until they are put in the kernel |
| 30 | */ |
| 31 | #define PCI_DEVICE_ID_PERC4_DI_DISCOVERY 0x000E |
| 32 | #define PCI_SUBSYS_ID_PERC4_DI_DISCOVERY 0x0123 |
| 33 | |
| 34 | #define PCI_DEVICE_ID_PERC4_SC 0x1960 |
| 35 | #define PCI_SUBSYS_ID_PERC4_SC 0x0520 |
| 36 | |
| 37 | #define PCI_DEVICE_ID_PERC4_DC 0x1960 |
| 38 | #define PCI_SUBSYS_ID_PERC4_DC 0x0518 |
| 39 | |
Ju, Seokmann | 672b2d3 | 2005-05-16 18:32:17 -0400 | [diff] [blame] | 40 | #define PCI_DEVICE_ID_VERDE 0x0407 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 41 | |
| 42 | #define PCI_DEVICE_ID_PERC4_DI_EVERGLADES 0x000F |
| 43 | #define PCI_SUBSYS_ID_PERC4_DI_EVERGLADES 0x014A |
| 44 | |
| 45 | #define PCI_DEVICE_ID_PERC4E_SI_BIGBEND 0x0013 |
| 46 | #define PCI_SUBSYS_ID_PERC4E_SI_BIGBEND 0x016c |
| 47 | |
| 48 | #define PCI_DEVICE_ID_PERC4E_DI_KOBUK 0x0013 |
| 49 | #define PCI_SUBSYS_ID_PERC4E_DI_KOBUK 0x016d |
| 50 | |
| 51 | #define PCI_DEVICE_ID_PERC4E_DI_CORVETTE 0x0013 |
| 52 | #define PCI_SUBSYS_ID_PERC4E_DI_CORVETTE 0x016e |
| 53 | |
| 54 | #define PCI_DEVICE_ID_PERC4E_DI_EXPEDITION 0x0013 |
| 55 | #define PCI_SUBSYS_ID_PERC4E_DI_EXPEDITION 0x016f |
| 56 | |
| 57 | #define PCI_DEVICE_ID_PERC4E_DI_GUADALUPE 0x0013 |
| 58 | #define PCI_SUBSYS_ID_PERC4E_DI_GUADALUPE 0x0170 |
| 59 | |
Ju, Seokmann | 672b2d3 | 2005-05-16 18:32:17 -0400 | [diff] [blame] | 60 | #define PCI_DEVICE_ID_DOBSON 0x0408 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 61 | |
| 62 | #define PCI_DEVICE_ID_MEGARAID_SCSI_320_0 0x1960 |
| 63 | #define PCI_SUBSYS_ID_MEGARAID_SCSI_320_0 0xA520 |
| 64 | |
| 65 | #define PCI_DEVICE_ID_MEGARAID_SCSI_320_1 0x1960 |
| 66 | #define PCI_SUBSYS_ID_MEGARAID_SCSI_320_1 0x0520 |
| 67 | |
| 68 | #define PCI_DEVICE_ID_MEGARAID_SCSI_320_2 0x1960 |
| 69 | #define PCI_SUBSYS_ID_MEGARAID_SCSI_320_2 0x0518 |
| 70 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 71 | #define PCI_DEVICE_ID_MEGARAID_I4_133_RAID 0x1960 |
| 72 | #define PCI_SUBSYS_ID_MEGARAID_I4_133_RAID 0x0522 |
| 73 | |
| 74 | #define PCI_DEVICE_ID_MEGARAID_SATA_150_4 0x1960 |
| 75 | #define PCI_SUBSYS_ID_MEGARAID_SATA_150_4 0x4523 |
| 76 | |
| 77 | #define PCI_DEVICE_ID_MEGARAID_SATA_150_6 0x1960 |
| 78 | #define PCI_SUBSYS_ID_MEGARAID_SATA_150_6 0x0523 |
| 79 | |
Ju, Seokmann | 672b2d3 | 2005-05-16 18:32:17 -0400 | [diff] [blame] | 80 | #define PCI_DEVICE_ID_LINDSAY 0x0409 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 81 | |
| 82 | #define PCI_DEVICE_ID_INTEL_RAID_SRCS16 0x1960 |
| 83 | #define PCI_SUBSYS_ID_INTEL_RAID_SRCS16 0x0523 |
| 84 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 85 | #define PCI_DEVICE_ID_INTEL_RAID_SRCU41L_LAKE_SHETEK 0x1960 |
| 86 | #define PCI_SUBSYS_ID_INTEL_RAID_SRCU41L_LAKE_SHETEK 0x0520 |
| 87 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 88 | #define PCI_SUBSYS_ID_PERC3_QC 0x0471 |
| 89 | #define PCI_SUBSYS_ID_PERC3_DC 0x0493 |
| 90 | #define PCI_SUBSYS_ID_PERC3_SC 0x0475 |
| 91 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 92 | |
| 93 | #define MBOX_MAX_SCSI_CMDS 128 // number of cmds reserved for kernel |
| 94 | #define MBOX_MAX_USER_CMDS 32 // number of cmds for applications |
| 95 | #define MBOX_DEF_CMD_PER_LUN 64 // default commands per lun |
| 96 | #define MBOX_DEFAULT_SG_SIZE 26 // default sg size supported by all fw |
| 97 | #define MBOX_MAX_SG_SIZE 32 // maximum scatter-gather list size |
| 98 | #define MBOX_MAX_SECTORS 128 // maximum sectors per IO |
| 99 | #define MBOX_TIMEOUT 30 // timeout value for internal cmds |
| 100 | #define MBOX_BUSY_WAIT 10 // max usec to wait for busy mailbox |
| 101 | #define MBOX_RESET_WAIT 180 // wait these many seconds in reset |
| 102 | #define MBOX_RESET_EXT_WAIT 120 // extended wait reset |
| 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 : maibox 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 | * @param una_mbox64 : 64-bit mbox - unaligned |
| 147 | * @param una_mbox64_dma : mbox dma addr - unaligned |
| 148 | * @param mbox : 32-bit mbox - aligned |
| 149 | * @param mbox64 : 64-bit mbox - aligned |
| 150 | * @param mbox_dma : mbox dma addr - aligned |
| 151 | * @param mailbox_lock : exclusion lock for the mailbox |
| 152 | * @param baseport : base port of hba memory |
| 153 | * @param baseaddr : mapped addr of hba memory |
| 154 | * @param mbox_pool : pool of mailboxes |
| 155 | * @param mbox_pool_handle : handle for the mailbox pool memory |
| 156 | * @param epthru_pool : a pool for extended passthru commands |
| 157 | * @param epthru_pool_handle : handle to the pool above |
| 158 | * @param sg_pool : pool of scatter-gather lists for this driver |
| 159 | * @param sg_pool_handle : handle to the pool above |
| 160 | * @param ccb_list : list of our command control blocks |
| 161 | * @param uccb_list : list of cmd control blocks for mgmt module |
| 162 | * @param umbox64 : array of mailbox for user commands (cmm) |
| 163 | * @param pdrv_state : array for state of each physical drive. |
| 164 | * @param last_disp : flag used to show device scanning |
| 165 | * @param hw_error : set if FW not responding |
| 166 | * @param fast_load : If set, skip physical device scanning |
| 167 | * @channel_class : channel class, RAID or SCSI |
| 168 | * @sysfs_sem : semaphore 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 semaphore sysfs_sem; |
| 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: |