Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* |
| 2 | * sbp2.h - Defines and prototypes for sbp2.c |
| 3 | * |
| 4 | * Copyright (C) 2000 James Goodwin, Filanet Corporation (www.filanet.com) |
| 5 | * jamesg@filanet.com |
| 6 | * |
| 7 | * This program is free software; you can redistribute it and/or modify |
| 8 | * it under the terms of the GNU General Public License as published by |
| 9 | * the Free Software Foundation; either version 2 of the License, or |
| 10 | * (at your option) any later version. |
| 11 | * |
| 12 | * This program is distributed in the hope that it will be useful, |
| 13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 15 | * GNU General Public License for more details. |
| 16 | * |
| 17 | * You should have received a copy of the GNU General Public License |
| 18 | * along with this program; if not, write to the Free Software Foundation, |
| 19 | * Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
| 20 | */ |
| 21 | |
| 22 | #ifndef SBP2_H |
| 23 | #define SBP2_H |
| 24 | |
| 25 | #define SBP2_DEVICE_NAME "sbp2" |
| 26 | |
| 27 | /* |
| 28 | * SBP2 specific structures and defines |
| 29 | */ |
| 30 | |
| 31 | #define ORB_DIRECTION_WRITE_TO_MEDIA 0x0 |
| 32 | #define ORB_DIRECTION_READ_FROM_MEDIA 0x1 |
| 33 | #define ORB_DIRECTION_NO_DATA_TRANSFER 0x2 |
| 34 | |
| 35 | #define ORB_SET_NULL_PTR(value) ((value & 0x1) << 31) |
Stefan Richter | 35bdddb | 2006-01-31 00:13:33 -0500 | [diff] [blame] | 36 | #define ORB_SET_NOTIFY(value) ((value & 0x1) << 31) |
| 37 | #define ORB_SET_RQ_FMT(value) ((value & 0x3) << 29) /* unused ? */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 38 | #define ORB_SET_NODE_ID(value) ((value & 0xffff) << 16) |
Stefan Richter | 35bdddb | 2006-01-31 00:13:33 -0500 | [diff] [blame] | 39 | #define ORB_SET_STATUS_FIFO_HI(value, id) (value >> 32 | ORB_SET_NODE_ID(id)) |
| 40 | #define ORB_SET_STATUS_FIFO_LO(value) (value & 0xffffffff) |
| 41 | #define ORB_SET_DATA_SIZE(value) (value & 0xffff) |
| 42 | #define ORB_SET_PAGE_SIZE(value) ((value & 0x7) << 16) |
| 43 | #define ORB_SET_PAGE_TABLE_PRESENT(value) ((value & 0x1) << 19) |
| 44 | #define ORB_SET_MAX_PAYLOAD(value) ((value & 0xf) << 20) |
| 45 | #define ORB_SET_SPEED(value) ((value & 0x7) << 24) |
| 46 | #define ORB_SET_DIRECTION(value) ((value & 0x1) << 27) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 47 | |
| 48 | struct sbp2_command_orb { |
Stefan Richter | cc07818 | 2006-07-23 22:12:00 +0200 | [diff] [blame] | 49 | u32 next_ORB_hi; |
| 50 | u32 next_ORB_lo; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 51 | u32 data_descriptor_hi; |
| 52 | u32 data_descriptor_lo; |
| 53 | u32 misc; |
| 54 | u8 cdb[12]; |
Ben Collins | 05db505 | 2006-06-12 18:14:47 -0400 | [diff] [blame] | 55 | } __attribute__((packed)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 56 | |
| 57 | #define SBP2_LOGIN_REQUEST 0x0 |
| 58 | #define SBP2_QUERY_LOGINS_REQUEST 0x1 |
| 59 | #define SBP2_RECONNECT_REQUEST 0x3 |
| 60 | #define SBP2_SET_PASSWORD_REQUEST 0x4 |
| 61 | #define SBP2_LOGOUT_REQUEST 0x7 |
| 62 | #define SBP2_ABORT_TASK_REQUEST 0xb |
| 63 | #define SBP2_ABORT_TASK_SET 0xc |
| 64 | #define SBP2_LOGICAL_UNIT_RESET 0xe |
| 65 | #define SBP2_TARGET_RESET_REQUEST 0xf |
| 66 | |
| 67 | #define ORB_SET_LUN(value) (value & 0xffff) |
| 68 | #define ORB_SET_FUNCTION(value) ((value & 0xf) << 16) |
| 69 | #define ORB_SET_RECONNECT(value) ((value & 0xf) << 20) |
| 70 | #define ORB_SET_EXCLUSIVE(value) ((value & 0x1) << 28) |
| 71 | #define ORB_SET_LOGIN_RESP_LENGTH(value) (value & 0xffff) |
| 72 | #define ORB_SET_PASSWD_LENGTH(value) ((value & 0xffff) << 16) |
| 73 | |
| 74 | struct sbp2_login_orb { |
| 75 | u32 password_hi; |
| 76 | u32 password_lo; |
| 77 | u32 login_response_hi; |
| 78 | u32 login_response_lo; |
| 79 | u32 lun_misc; |
| 80 | u32 passwd_resp_lengths; |
Stefan Richter | 35bdddb | 2006-01-31 00:13:33 -0500 | [diff] [blame] | 81 | u32 status_fifo_hi; |
| 82 | u32 status_fifo_lo; |
Ben Collins | 05db505 | 2006-06-12 18:14:47 -0400 | [diff] [blame] | 83 | } __attribute__((packed)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 84 | |
| 85 | #define RESPONSE_GET_LOGIN_ID(value) (value & 0xffff) |
| 86 | #define RESPONSE_GET_LENGTH(value) ((value >> 16) & 0xffff) |
| 87 | #define RESPONSE_GET_RECONNECT_HOLD(value) (value & 0xffff) |
| 88 | |
| 89 | struct sbp2_login_response { |
| 90 | u32 length_login_ID; |
| 91 | u32 command_block_agent_hi; |
| 92 | u32 command_block_agent_lo; |
| 93 | u32 reconnect_hold; |
Ben Collins | 05db505 | 2006-06-12 18:14:47 -0400 | [diff] [blame] | 94 | } __attribute__((packed)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 95 | |
| 96 | #define ORB_SET_LOGIN_ID(value) (value & 0xffff) |
| 97 | |
| 98 | #define ORB_SET_QUERY_LOGINS_RESP_LENGTH(value) (value & 0xffff) |
| 99 | |
| 100 | struct sbp2_query_logins_orb { |
| 101 | u32 reserved1; |
| 102 | u32 reserved2; |
| 103 | u32 query_response_hi; |
| 104 | u32 query_response_lo; |
| 105 | u32 lun_misc; |
| 106 | u32 reserved_resp_length; |
Stefan Richter | 35bdddb | 2006-01-31 00:13:33 -0500 | [diff] [blame] | 107 | u32 status_fifo_hi; |
| 108 | u32 status_fifo_lo; |
Ben Collins | 05db505 | 2006-06-12 18:14:47 -0400 | [diff] [blame] | 109 | } __attribute__((packed)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 110 | |
| 111 | #define RESPONSE_GET_MAX_LOGINS(value) (value & 0xffff) |
| 112 | #define RESPONSE_GET_ACTIVE_LOGINS(value) ((RESPONSE_GET_LENGTH(value) - 4) / 12) |
| 113 | |
| 114 | struct sbp2_query_logins_response { |
| 115 | u32 length_max_logins; |
| 116 | u32 misc_IDs; |
| 117 | u32 initiator_misc_hi; |
| 118 | u32 initiator_misc_lo; |
Ben Collins | 05db505 | 2006-06-12 18:14:47 -0400 | [diff] [blame] | 119 | } __attribute__((packed)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 120 | |
| 121 | struct sbp2_reconnect_orb { |
| 122 | u32 reserved1; |
| 123 | u32 reserved2; |
Stefan Richter | a237f35 | 2005-11-07 06:31:39 -0500 | [diff] [blame] | 124 | u32 reserved3; |
| 125 | u32 reserved4; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 126 | u32 login_ID_misc; |
| 127 | u32 reserved5; |
Stefan Richter | 35bdddb | 2006-01-31 00:13:33 -0500 | [diff] [blame] | 128 | u32 status_fifo_hi; |
| 129 | u32 status_fifo_lo; |
Ben Collins | 05db505 | 2006-06-12 18:14:47 -0400 | [diff] [blame] | 130 | } __attribute__((packed)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 131 | |
| 132 | struct sbp2_logout_orb { |
| 133 | u32 reserved1; |
| 134 | u32 reserved2; |
Stefan Richter | a237f35 | 2005-11-07 06:31:39 -0500 | [diff] [blame] | 135 | u32 reserved3; |
| 136 | u32 reserved4; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 137 | u32 login_ID_misc; |
| 138 | u32 reserved5; |
Stefan Richter | 35bdddb | 2006-01-31 00:13:33 -0500 | [diff] [blame] | 139 | u32 status_fifo_hi; |
| 140 | u32 status_fifo_lo; |
Ben Collins | 05db505 | 2006-06-12 18:14:47 -0400 | [diff] [blame] | 141 | } __attribute__((packed)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 142 | |
| 143 | #define PAGE_TABLE_SET_SEGMENT_BASE_HI(value) (value & 0xffff) |
| 144 | #define PAGE_TABLE_SET_SEGMENT_LENGTH(value) ((value & 0xffff) << 16) |
| 145 | |
| 146 | struct sbp2_unrestricted_page_table { |
| 147 | u32 length_segment_base_hi; |
| 148 | u32 segment_base_lo; |
Ben Collins | 05db505 | 2006-06-12 18:14:47 -0400 | [diff] [blame] | 149 | } __attribute__((packed)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 150 | |
| 151 | #define RESP_STATUS_REQUEST_COMPLETE 0x0 |
| 152 | #define RESP_STATUS_TRANSPORT_FAILURE 0x1 |
| 153 | #define RESP_STATUS_ILLEGAL_REQUEST 0x2 |
| 154 | #define RESP_STATUS_VENDOR_DEPENDENT 0x3 |
| 155 | |
| 156 | #define SBP2_STATUS_NO_ADDITIONAL_INFO 0x0 |
| 157 | #define SBP2_STATUS_REQ_TYPE_NOT_SUPPORTED 0x1 |
| 158 | #define SBP2_STATUS_SPEED_NOT_SUPPORTED 0x2 |
| 159 | #define SBP2_STATUS_PAGE_SIZE_NOT_SUPPORTED 0x3 |
| 160 | #define SBP2_STATUS_ACCESS_DENIED 0x4 |
| 161 | #define SBP2_STATUS_LU_NOT_SUPPORTED 0x5 |
| 162 | #define SBP2_STATUS_MAX_PAYLOAD_TOO_SMALL 0x6 |
| 163 | #define SBP2_STATUS_RESOURCES_UNAVAILABLE 0x8 |
| 164 | #define SBP2_STATUS_FUNCTION_REJECTED 0x9 |
| 165 | #define SBP2_STATUS_LOGIN_ID_NOT_RECOGNIZED 0xa |
| 166 | #define SBP2_STATUS_DUMMY_ORB_COMPLETED 0xb |
| 167 | #define SBP2_STATUS_REQUEST_ABORTED 0xc |
| 168 | #define SBP2_STATUS_UNSPECIFIED_ERROR 0xff |
| 169 | |
| 170 | #define SFMT_CURRENT_ERROR 0x0 |
| 171 | #define SFMT_DEFERRED_ERROR 0x1 |
| 172 | #define SFMT_VENDOR_DEPENDENT_STATUS 0x3 |
| 173 | |
| 174 | #define SBP2_SCSI_STATUS_GOOD 0x0 |
| 175 | #define SBP2_SCSI_STATUS_CHECK_CONDITION 0x2 |
| 176 | #define SBP2_SCSI_STATUS_CONDITION_MET 0x4 |
| 177 | #define SBP2_SCSI_STATUS_BUSY 0x8 |
| 178 | #define SBP2_SCSI_STATUS_RESERVATION_CONFLICT 0x18 |
| 179 | #define SBP2_SCSI_STATUS_COMMAND_TERMINATED 0x22 |
| 180 | |
| 181 | #define SBP2_SCSI_STATUS_SELECTION_TIMEOUT 0xff |
| 182 | |
Stefan Richter | 6065772 | 2006-07-23 22:18:00 +0200 | [diff] [blame] | 183 | #define STATUS_GET_SRC(value) (((value) >> 30) & 0x3) |
Stefan Richter | abbca10 | 2006-08-14 18:51:00 +0200 | [diff] [blame] | 184 | #define STATUS_GET_RESP(value) (((value) >> 28) & 0x3) |
Stefan Richter | 6065772 | 2006-07-23 22:18:00 +0200 | [diff] [blame] | 185 | #define STATUS_GET_LEN(value) (((value) >> 24) & 0x7) |
Stefan Richter | abbca10 | 2006-08-14 18:51:00 +0200 | [diff] [blame] | 186 | #define STATUS_GET_SBP_STATUS(value) (((value) >> 16) & 0xff) |
Stefan Richter | 6065772 | 2006-07-23 22:18:00 +0200 | [diff] [blame] | 187 | #define STATUS_GET_ORB_OFFSET_HI(value) ((value) & 0x0000ffff) |
Stefan Richter | abbca10 | 2006-08-14 18:51:00 +0200 | [diff] [blame] | 188 | #define STATUS_TEST_DEAD(value) ((value) & 0x08000000) |
Stefan Richter | 6065772 | 2006-07-23 22:18:00 +0200 | [diff] [blame] | 189 | /* test 'resp' | 'dead' | 'sbp2_status' */ |
| 190 | #define STATUS_TEST_RDS(value) ((value) & 0x38ff0000) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 191 | |
| 192 | struct sbp2_status_block { |
| 193 | u32 ORB_offset_hi_misc; |
| 194 | u32 ORB_offset_lo; |
Stefan Richter | a237f35 | 2005-11-07 06:31:39 -0500 | [diff] [blame] | 195 | u8 command_set_dependent[24]; |
Ben Collins | 05db505 | 2006-06-12 18:14:47 -0400 | [diff] [blame] | 196 | } __attribute__((packed)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 197 | |
| 198 | /* |
| 199 | * Miscellaneous SBP2 related config rom defines |
| 200 | */ |
| 201 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 202 | #define SBP2_UNIT_DIRECTORY_OFFSET_KEY 0xd1 |
| 203 | #define SBP2_CSR_OFFSET_KEY 0x54 |
| 204 | #define SBP2_UNIT_SPEC_ID_KEY 0x12 |
| 205 | #define SBP2_UNIT_SW_VERSION_KEY 0x13 |
| 206 | #define SBP2_COMMAND_SET_SPEC_ID_KEY 0x38 |
| 207 | #define SBP2_COMMAND_SET_KEY 0x39 |
| 208 | #define SBP2_UNIT_CHARACTERISTICS_KEY 0x3a |
| 209 | #define SBP2_DEVICE_TYPE_AND_LUN_KEY 0x14 |
| 210 | #define SBP2_FIRMWARE_REVISION_KEY 0x3c |
| 211 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 212 | #define SBP2_AGENT_STATE_OFFSET 0x00ULL |
| 213 | #define SBP2_AGENT_RESET_OFFSET 0x04ULL |
| 214 | #define SBP2_ORB_POINTER_OFFSET 0x08ULL |
| 215 | #define SBP2_DOORBELL_OFFSET 0x10ULL |
| 216 | #define SBP2_UNSOLICITED_STATUS_ENABLE_OFFSET 0x14ULL |
| 217 | #define SBP2_UNSOLICITED_STATUS_VALUE 0xf |
| 218 | |
| 219 | #define SBP2_BUSY_TIMEOUT_ADDRESS 0xfffff0000210ULL |
| 220 | #define SBP2_BUSY_TIMEOUT_VALUE 0xf |
| 221 | |
| 222 | #define SBP2_AGENT_RESET_DATA 0xf |
| 223 | |
| 224 | /* |
| 225 | * Unit spec id and sw version entry for SBP-2 devices |
| 226 | */ |
| 227 | |
| 228 | #define SBP2_UNIT_SPEC_ID_ENTRY 0x0000609e |
| 229 | #define SBP2_SW_VERSION_ENTRY 0x00010483 |
| 230 | |
| 231 | /* |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 232 | * SCSI specific stuff |
| 233 | */ |
| 234 | |
| 235 | #define SBP2_MAX_SG_ELEMENT_LENGTH 0xf000 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 236 | #define SBP2_MAX_SECTORS 255 /* Max sectors supported */ |
Stefan Richter | 43863eb | 2005-12-12 23:03:24 -0500 | [diff] [blame] | 237 | #define SBP2_MAX_CMDS 8 /* This should be safe */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 238 | |
Stefan Richter | 24d3bf8 | 2006-05-15 22:04:59 +0200 | [diff] [blame] | 239 | /* Flags for detected oddities and brokeness */ |
| 240 | #define SBP2_WORKAROUND_128K_MAX_TRANS 0x1 |
| 241 | #define SBP2_WORKAROUND_INQUIRY_36 0x2 |
| 242 | #define SBP2_WORKAROUND_MODE_SENSE_8 0x4 |
Stefan Richter | e9a1c52 | 2006-05-15 22:06:37 +0200 | [diff] [blame] | 243 | #define SBP2_WORKAROUND_FIX_CAPACITY 0x8 |
Stefan Richter | 679c0cd | 2006-05-15 22:08:09 +0200 | [diff] [blame] | 244 | #define SBP2_WORKAROUND_OVERRIDE 0x100 |
Stefan Richter | 24d3bf8 | 2006-05-15 22:04:59 +0200 | [diff] [blame] | 245 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 246 | /* This is the two dma types we use for cmd_dma below */ |
| 247 | enum cmd_dma_types { |
| 248 | CMD_DMA_NONE, |
| 249 | CMD_DMA_PAGE, |
| 250 | CMD_DMA_SINGLE |
| 251 | }; |
| 252 | |
| 253 | /* |
| 254 | * Encapsulates all the info necessary for an outstanding command. |
| 255 | */ |
| 256 | struct sbp2_command_info { |
| 257 | |
| 258 | struct list_head list; |
| 259 | struct sbp2_command_orb command_orb ____cacheline_aligned; |
| 260 | dma_addr_t command_orb_dma ____cacheline_aligned; |
| 261 | struct scsi_cmnd *Current_SCpnt; |
| 262 | void (*Current_done)(struct scsi_cmnd *); |
| 263 | |
| 264 | /* Also need s/g structure for each sbp2 command */ |
| 265 | struct sbp2_unrestricted_page_table scatter_gather_element[SG_ALL] ____cacheline_aligned; |
| 266 | dma_addr_t sge_dma ____cacheline_aligned; |
| 267 | void *sge_buffer; |
| 268 | dma_addr_t cmd_dma; |
| 269 | enum cmd_dma_types dma_type; |
| 270 | unsigned long dma_size; |
| 271 | int dma_dir; |
| 272 | |
| 273 | }; |
| 274 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 275 | struct sbp2scsi_host_info; |
| 276 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 277 | /* |
| 278 | * Information needed on a per scsi id basis (one for each sbp2 device) |
| 279 | */ |
| 280 | struct scsi_id_instance_data { |
| 281 | /* |
| 282 | * Various sbp2 specific structures |
| 283 | */ |
| 284 | struct sbp2_command_orb *last_orb; |
| 285 | dma_addr_t last_orb_dma; |
| 286 | struct sbp2_login_orb *login_orb; |
| 287 | dma_addr_t login_orb_dma; |
| 288 | struct sbp2_login_response *login_response; |
| 289 | dma_addr_t login_response_dma; |
| 290 | struct sbp2_query_logins_orb *query_logins_orb; |
| 291 | dma_addr_t query_logins_orb_dma; |
| 292 | struct sbp2_query_logins_response *query_logins_response; |
| 293 | dma_addr_t query_logins_response_dma; |
| 294 | struct sbp2_reconnect_orb *reconnect_orb; |
| 295 | dma_addr_t reconnect_orb_dma; |
| 296 | struct sbp2_logout_orb *logout_orb; |
| 297 | dma_addr_t logout_orb_dma; |
| 298 | struct sbp2_status_block status_block; |
| 299 | |
| 300 | /* |
| 301 | * Stuff we need to know about the sbp2 device itself |
| 302 | */ |
| 303 | u64 sbp2_management_agent_addr; |
| 304 | u64 sbp2_command_block_agent_addr; |
| 305 | u32 speed_code; |
| 306 | u32 max_payload_size; |
| 307 | |
| 308 | /* |
| 309 | * Values pulled from the device's unit directory |
| 310 | */ |
| 311 | u32 sbp2_command_set_spec_id; |
| 312 | u32 sbp2_command_set; |
| 313 | u32 sbp2_unit_characteristics; |
Ben Collins | e309fc6 | 2005-11-07 06:31:34 -0500 | [diff] [blame] | 314 | u32 sbp2_lun; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 315 | u32 sbp2_firmware_revision; |
| 316 | |
| 317 | /* |
Stefan Richter | 35bdddb | 2006-01-31 00:13:33 -0500 | [diff] [blame] | 318 | * Address for the device to write status blocks to |
| 319 | */ |
| 320 | u64 status_fifo_addr; |
| 321 | |
| 322 | /* |
Stefan Richter | e8398bb | 2006-07-23 22:19:00 +0200 | [diff] [blame] | 323 | * Waitqueue flag for logins, reconnects, logouts, query logins |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 324 | */ |
Stefan Richter | e8398bb | 2006-07-23 22:19:00 +0200 | [diff] [blame] | 325 | int access_complete:1; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 326 | |
| 327 | /* |
| 328 | * Pool of command orbs, so we can have more than overlapped command per id |
| 329 | */ |
| 330 | spinlock_t sbp2_command_orb_lock; |
| 331 | struct list_head sbp2_command_orb_inuse; |
| 332 | struct list_head sbp2_command_orb_completed; |
| 333 | |
| 334 | struct list_head scsi_list; |
| 335 | |
| 336 | /* Node entry, as retrieved from NodeMgr entries */ |
| 337 | struct node_entry *ne; |
| 338 | struct unit_directory *ud; |
| 339 | |
| 340 | /* A backlink to our host_info */ |
| 341 | struct sbp2scsi_host_info *hi; |
| 342 | |
| 343 | /* SCSI related pointers */ |
| 344 | struct scsi_device *sdev; |
| 345 | struct Scsi_Host *scsi_host; |
| 346 | |
| 347 | /* Device specific workarounds/brokeness */ |
Stefan Richter | 24d3bf8 | 2006-05-15 22:04:59 +0200 | [diff] [blame] | 348 | unsigned workarounds; |
Stefan Richter | 09ee67a | 2006-08-14 18:43:00 +0200 | [diff] [blame] | 349 | |
Stefan Richter | 2cccbb5 | 2006-08-14 18:59:00 +0200 | [diff] [blame] | 350 | atomic_t state; |
David Howells | c402895 | 2006-11-22 14:57:56 +0000 | [diff] [blame^] | 351 | struct delayed_work protocol_work; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 352 | }; |
| 353 | |
Stefan Richter | 2cccbb5 | 2006-08-14 18:59:00 +0200 | [diff] [blame] | 354 | /* For use in scsi_id_instance_data.state */ |
| 355 | enum sbp2lu_state_types { |
| 356 | SBP2LU_STATE_RUNNING, /* all normal */ |
| 357 | SBP2LU_STATE_IN_RESET, /* between bus reset and reconnect */ |
| 358 | SBP2LU_STATE_IN_SHUTDOWN /* when sbp2_remove was called */ |
| 359 | }; |
| 360 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 361 | /* Sbp2 host data structure (one per IEEE1394 host) */ |
| 362 | struct sbp2scsi_host_info { |
| 363 | struct hpsb_host *host; /* IEEE1394 host */ |
| 364 | struct list_head scsi_ids; /* List of scsi ids on this host */ |
| 365 | }; |
| 366 | |
| 367 | /* |
| 368 | * Function prototypes |
| 369 | */ |
| 370 | |
| 371 | /* |
| 372 | * Various utility prototypes |
| 373 | */ |
| 374 | static int sbp2util_create_command_orb_pool(struct scsi_id_instance_data *scsi_id); |
| 375 | static void sbp2util_remove_command_orb_pool(struct scsi_id_instance_data *scsi_id); |
| 376 | static struct sbp2_command_info *sbp2util_find_command_for_orb(struct scsi_id_instance_data *scsi_id, dma_addr_t orb); |
| 377 | static struct sbp2_command_info *sbp2util_find_command_for_SCpnt(struct scsi_id_instance_data *scsi_id, void *SCpnt); |
| 378 | static struct sbp2_command_info *sbp2util_allocate_command_orb(struct scsi_id_instance_data *scsi_id, |
| 379 | struct scsi_cmnd *Current_SCpnt, |
| 380 | void (*Current_done)(struct scsi_cmnd *)); |
| 381 | static void sbp2util_mark_command_completed(struct scsi_id_instance_data *scsi_id, |
| 382 | struct sbp2_command_info *command); |
| 383 | |
| 384 | |
| 385 | static int sbp2_start_device(struct scsi_id_instance_data *scsi_id); |
| 386 | static void sbp2_remove_device(struct scsi_id_instance_data *scsi_id); |
| 387 | |
| 388 | #ifdef CONFIG_IEEE1394_SBP2_PHYS_DMA |
| 389 | static int sbp2_handle_physdma_write(struct hpsb_host *host, int nodeid, int destid, quadlet_t *data, |
| 390 | u64 addr, size_t length, u16 flags); |
| 391 | static int sbp2_handle_physdma_read(struct hpsb_host *host, int nodeid, quadlet_t *data, |
| 392 | u64 addr, size_t length, u16 flags); |
| 393 | #endif |
| 394 | |
| 395 | /* |
| 396 | * SBP-2 protocol related prototypes |
| 397 | */ |
| 398 | static int sbp2_query_logins(struct scsi_id_instance_data *scsi_id); |
| 399 | static int sbp2_login_device(struct scsi_id_instance_data *scsi_id); |
| 400 | static int sbp2_reconnect_device(struct scsi_id_instance_data *scsi_id); |
| 401 | static int sbp2_logout_device(struct scsi_id_instance_data *scsi_id); |
| 402 | static int sbp2_handle_status_write(struct hpsb_host *host, int nodeid, int destid, |
| 403 | quadlet_t *data, u64 addr, size_t length, u16 flags); |
| 404 | static int sbp2_agent_reset(struct scsi_id_instance_data *scsi_id, int wait); |
Ben Collins | fe42b05 | 2006-06-12 18:12:59 -0400 | [diff] [blame] | 405 | static unsigned int sbp2_status_to_sense_data(unchar *sbp2_status, |
| 406 | unchar *sense_data); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 407 | static void sbp2_parse_unit_directory(struct scsi_id_instance_data *scsi_id, |
| 408 | struct unit_directory *ud); |
| 409 | static int sbp2_set_busy_timeout(struct scsi_id_instance_data *scsi_id); |
| 410 | static int sbp2_max_speed_and_size(struct scsi_id_instance_data *scsi_id); |
| 411 | |
| 412 | #endif /* SBP2_H */ |