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 24 #define MEGARAID_VERSION "2.20.5.1" 25 #define MEGARAID_EXT_VERSION "(Release Date: Thu Nov 16 15:32:35 EST 2006)" 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 40 #define PCI_DEVICE_ID_VERDE 0x0407 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 60 #define PCI_DEVICE_ID_DOBSON 0x0408 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 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 80 #define PCI_DEVICE_ID_LINDSAY 0x0409 81 82 #define PCI_DEVICE_ID_INTEL_RAID_SRCS16 0x1960 83 #define PCI_SUBSYS_ID_INTEL_RAID_SRCS16 0x0523 84 85 #define PCI_DEVICE_ID_INTEL_RAID_SRCU41L_LAKE_SHETEK 0x1960 86 #define PCI_SUBSYS_ID_INTEL_RAID_SRCU41L_LAKE_SHETEK 0x0520 87 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 #define PCI_SUBSYS_ID_CERC_ATA100_4CH 0x0511 92 93 94 #define MBOX_MAX_SCSI_CMDS 128 // number of cmds reserved for kernel 95 #define MBOX_MAX_USER_CMDS 32 // number of cmds for applications 96 #define MBOX_DEF_CMD_PER_LUN 64 // default commands per lun 97 #define MBOX_DEFAULT_SG_SIZE 26 // default sg size supported by all fw 98 #define MBOX_MAX_SG_SIZE 32 // maximum scatter-gather list size 99 #define MBOX_MAX_SECTORS 128 // maximum sectors per IO 100 #define MBOX_TIMEOUT 30 // timeout value for internal cmds 101 #define MBOX_BUSY_WAIT 10 // max usec to wait for busy mailbox 102 #define MBOX_RESET_WAIT 180 // wait these many seconds in reset 103 #define MBOX_RESET_EXT_WAIT 120 // extended wait reset 104 #define MBOX_SYNC_WAIT_CNT 0xFFFF // wait loop index for synchronous mode 105 106 #define MBOX_SYNC_DELAY_200 200 // 200 micro-seconds 107 108 /* 109 * maximum transfer that can happen through the firmware commands issued 110 * internnaly from the driver. 111 */ 112 #define MBOX_IBUF_SIZE 4096 113 114 115 /** 116 * mbox_ccb_t - command control block specific to mailbox based controllers 117 * @raw_mbox : raw mailbox pointer 118 * @mbox : mailbox 119 * @mbox64 : extended mailbox 120 * @mbox_dma_h : maibox dma address 121 * @sgl64 : 64-bit scatter-gather list 122 * @sgl32 : 32-bit scatter-gather list 123 * @sgl_dma_h : dma handle for the scatter-gather list 124 * @pthru : passthru structure 125 * @pthru_dma_h : dma handle for the passthru structure 126 * @epthru : extended passthru structure 127 * @epthru_dma_h : dma handle for extended passthru structure 128 * @buf_dma_h : dma handle for buffers w/o sg list 129 * 130 * command control block specific to the mailbox based controllers 131 */ 132 typedef struct { 133 uint8_t *raw_mbox; 134 mbox_t *mbox; 135 mbox64_t *mbox64; 136 dma_addr_t mbox_dma_h; 137 mbox_sgl64 *sgl64; 138 mbox_sgl32 *sgl32; 139 dma_addr_t sgl_dma_h; 140 mraid_passthru_t *pthru; 141 dma_addr_t pthru_dma_h; 142 mraid_epassthru_t *epthru; 143 dma_addr_t epthru_dma_h; 144 dma_addr_t buf_dma_h; 145 } mbox_ccb_t; 146 147 148 /** 149 * mraid_device_t - adapter soft state structure for mailbox controllers 150 * @una_mbox64 : 64-bit mbox - unaligned 151 * @una_mbox64_dma : mbox dma addr - unaligned 152 * @mbox : 32-bit mbox - aligned 153 * @mbox64 : 64-bit mbox - aligned 154 * @mbox_dma : mbox dma addr - aligned 155 * @mailbox_lock : exclusion lock for the mailbox 156 * @baseport : base port of hba memory 157 * @baseaddr : mapped addr of hba memory 158 * @mbox_pool : pool of mailboxes 159 * @mbox_pool_handle : handle for the mailbox pool memory 160 * @epthru_pool : a pool for extended passthru commands 161 * @epthru_pool_handle : handle to the pool above 162 * @sg_pool : pool of scatter-gather lists for this driver 163 * @sg_pool_handle : handle to the pool above 164 * @ccb_list : list of our command control blocks 165 * @uccb_list : list of cmd control blocks for mgmt module 166 * @umbox64 : array of mailbox for user commands (cmm) 167 * @pdrv_state : array for state of each physical drive. 168 * @last_disp : flag used to show device scanning 169 * @hw_error : set if FW not responding 170 * @fast_load : If set, skip physical device scanning 171 * @channel_class : channel class, RAID or SCSI 172 * @sysfs_mtx : mutex to serialize access to sysfs res. 173 * @sysfs_uioc : management packet to issue FW calls from sysfs 174 * @sysfs_mbox64 : mailbox packet to issue FW calls from sysfs 175 * @sysfs_buffer : data buffer for FW commands issued from sysfs 176 * @sysfs_buffer_dma : DMA buffer for FW commands issued from sysfs 177 * @sysfs_wait_q : wait queue for sysfs operations 178 * @random_del_supported : set if the random deletion is supported 179 * @curr_ldmap : current LDID map 180 * 181 * Initialization structure for mailbox controllers: memory based and IO based 182 * All the fields in this structure are LLD specific and may be discovered at 183 * init() or start() time. 184 * 185 * NOTE: The fields of this structures are placed to minimize cache misses 186 */ 187 #define MAX_LD_EXTENDED64 64 188 typedef struct { 189 mbox64_t *una_mbox64; 190 dma_addr_t una_mbox64_dma; 191 mbox_t *mbox; 192 mbox64_t *mbox64; 193 dma_addr_t mbox_dma; 194 spinlock_t mailbox_lock; 195 unsigned long baseport; 196 void __iomem * baseaddr; 197 struct mraid_pci_blk mbox_pool[MBOX_MAX_SCSI_CMDS]; 198 struct dma_pool *mbox_pool_handle; 199 struct mraid_pci_blk epthru_pool[MBOX_MAX_SCSI_CMDS]; 200 struct dma_pool *epthru_pool_handle; 201 struct mraid_pci_blk sg_pool[MBOX_MAX_SCSI_CMDS]; 202 struct dma_pool *sg_pool_handle; 203 mbox_ccb_t ccb_list[MBOX_MAX_SCSI_CMDS]; 204 mbox_ccb_t uccb_list[MBOX_MAX_USER_CMDS]; 205 mbox64_t umbox64[MBOX_MAX_USER_CMDS]; 206 207 uint8_t pdrv_state[MBOX_MAX_PHYSICAL_DRIVES]; 208 uint32_t last_disp; 209 int hw_error; 210 int fast_load; 211 uint8_t channel_class; 212 struct mutex sysfs_mtx; 213 uioc_t *sysfs_uioc; 214 mbox64_t *sysfs_mbox64; 215 caddr_t sysfs_buffer; 216 dma_addr_t sysfs_buffer_dma; 217 wait_queue_head_t sysfs_wait_q; 218 int random_del_supported; 219 uint16_t curr_ldmap[MAX_LD_EXTENDED64]; 220 } mraid_device_t; 221 222 // route to raid device from adapter 223 #define ADAP2RAIDDEV(adp) ((mraid_device_t *)((adp)->raid_device)) 224 225 #define MAILBOX_LOCK(rdev) (&(rdev)->mailbox_lock) 226 227 // Find out if this channel is a RAID or SCSI 228 #define IS_RAID_CH(rdev, ch) (((rdev)->channel_class >> (ch)) & 0x01) 229 230 231 #define RDINDOOR(rdev) readl((rdev)->baseaddr + 0x20) 232 #define RDOUTDOOR(rdev) readl((rdev)->baseaddr + 0x2C) 233 #define WRINDOOR(rdev, value) writel(value, (rdev)->baseaddr + 0x20) 234 #define WROUTDOOR(rdev, value) writel(value, (rdev)->baseaddr + 0x2C) 235 236 #endif // _MEGARAID_H_ 237 238 // vim: set ts=8 sw=8 tw=78: 239