Commit 7a14c1c3319608154da8712e4174d56ffb2f7b8d
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scsi: add a symbolic name for the ZBC device type
Make sure we have a symbolic name for the ZBC type available, so that e.g. patch for a SATA to translate ZAC commands can make use of it. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Hannes Reinecke <hare@suse.de> Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com>
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include/scsi/scsi.h
| 1 | /* | 1 | /* |
| 2 | * This header file contains public constants and structures used by | 2 | * This header file contains public constants and structures used by |
| 3 | * the scsi code for linux. | 3 | * the scsi code for linux. |
| 4 | * | 4 | * |
| 5 | * For documentation on the OPCODES, MESSAGES, and SENSE values, | 5 | * For documentation on the OPCODES, MESSAGES, and SENSE values, |
| 6 | * please consult the SCSI standard. | 6 | * please consult the SCSI standard. |
| 7 | */ | 7 | */ |
| 8 | #ifndef _SCSI_SCSI_H | 8 | #ifndef _SCSI_SCSI_H |
| 9 | #define _SCSI_SCSI_H | 9 | #define _SCSI_SCSI_H |
| 10 | 10 | ||
| 11 | #include <linux/types.h> | 11 | #include <linux/types.h> |
| 12 | #include <linux/scatterlist.h> | 12 | #include <linux/scatterlist.h> |
| 13 | #include <linux/kernel.h> | 13 | #include <linux/kernel.h> |
| 14 | 14 | ||
| 15 | struct scsi_cmnd; | 15 | struct scsi_cmnd; |
| 16 | 16 | ||
| 17 | enum scsi_timeouts { | 17 | enum scsi_timeouts { |
| 18 | SCSI_DEFAULT_EH_TIMEOUT = 10 * HZ, | 18 | SCSI_DEFAULT_EH_TIMEOUT = 10 * HZ, |
| 19 | }; | 19 | }; |
| 20 | 20 | ||
| 21 | /* | 21 | /* |
| 22 | * The maximum number of SG segments that we will put inside a | 22 | * The maximum number of SG segments that we will put inside a |
| 23 | * scatterlist (unless chaining is used). Should ideally fit inside a | 23 | * scatterlist (unless chaining is used). Should ideally fit inside a |
| 24 | * single page, to avoid a higher order allocation. We could define this | 24 | * single page, to avoid a higher order allocation. We could define this |
| 25 | * to SG_MAX_SINGLE_ALLOC to pack correctly at the highest order. The | 25 | * to SG_MAX_SINGLE_ALLOC to pack correctly at the highest order. The |
| 26 | * minimum value is 32 | 26 | * minimum value is 32 |
| 27 | */ | 27 | */ |
| 28 | #define SCSI_MAX_SG_SEGMENTS 128 | 28 | #define SCSI_MAX_SG_SEGMENTS 128 |
| 29 | 29 | ||
| 30 | /* | 30 | /* |
| 31 | * Like SCSI_MAX_SG_SEGMENTS, but for archs that have sg chaining. This limit | 31 | * Like SCSI_MAX_SG_SEGMENTS, but for archs that have sg chaining. This limit |
| 32 | * is totally arbitrary, a setting of 2048 will get you at least 8mb ios. | 32 | * is totally arbitrary, a setting of 2048 will get you at least 8mb ios. |
| 33 | */ | 33 | */ |
| 34 | #ifdef ARCH_HAS_SG_CHAIN | 34 | #ifdef ARCH_HAS_SG_CHAIN |
| 35 | #define SCSI_MAX_SG_CHAIN_SEGMENTS 2048 | 35 | #define SCSI_MAX_SG_CHAIN_SEGMENTS 2048 |
| 36 | #else | 36 | #else |
| 37 | #define SCSI_MAX_SG_CHAIN_SEGMENTS SCSI_MAX_SG_SEGMENTS | 37 | #define SCSI_MAX_SG_CHAIN_SEGMENTS SCSI_MAX_SG_SEGMENTS |
| 38 | #endif | 38 | #endif |
| 39 | 39 | ||
| 40 | /* | 40 | /* |
| 41 | * DIX-capable adapters effectively support infinite chaining for the | 41 | * DIX-capable adapters effectively support infinite chaining for the |
| 42 | * protection information scatterlist | 42 | * protection information scatterlist |
| 43 | */ | 43 | */ |
| 44 | #define SCSI_MAX_PROT_SG_SEGMENTS 0xFFFF | 44 | #define SCSI_MAX_PROT_SG_SEGMENTS 0xFFFF |
| 45 | 45 | ||
| 46 | /* | 46 | /* |
| 47 | * Special value for scanning to specify scanning or rescanning of all | 47 | * Special value for scanning to specify scanning or rescanning of all |
| 48 | * possible channels, (target) ids, or luns on a given shost. | 48 | * possible channels, (target) ids, or luns on a given shost. |
| 49 | */ | 49 | */ |
| 50 | #define SCAN_WILD_CARD ~0 | 50 | #define SCAN_WILD_CARD ~0 |
| 51 | 51 | ||
| 52 | /* | 52 | /* |
| 53 | * SCSI opcodes | 53 | * SCSI opcodes |
| 54 | */ | 54 | */ |
| 55 | 55 | ||
| 56 | #define TEST_UNIT_READY 0x00 | 56 | #define TEST_UNIT_READY 0x00 |
| 57 | #define REZERO_UNIT 0x01 | 57 | #define REZERO_UNIT 0x01 |
| 58 | #define REQUEST_SENSE 0x03 | 58 | #define REQUEST_SENSE 0x03 |
| 59 | #define FORMAT_UNIT 0x04 | 59 | #define FORMAT_UNIT 0x04 |
| 60 | #define READ_BLOCK_LIMITS 0x05 | 60 | #define READ_BLOCK_LIMITS 0x05 |
| 61 | #define REASSIGN_BLOCKS 0x07 | 61 | #define REASSIGN_BLOCKS 0x07 |
| 62 | #define INITIALIZE_ELEMENT_STATUS 0x07 | 62 | #define INITIALIZE_ELEMENT_STATUS 0x07 |
| 63 | #define READ_6 0x08 | 63 | #define READ_6 0x08 |
| 64 | #define WRITE_6 0x0a | 64 | #define WRITE_6 0x0a |
| 65 | #define SEEK_6 0x0b | 65 | #define SEEK_6 0x0b |
| 66 | #define READ_REVERSE 0x0f | 66 | #define READ_REVERSE 0x0f |
| 67 | #define WRITE_FILEMARKS 0x10 | 67 | #define WRITE_FILEMARKS 0x10 |
| 68 | #define SPACE 0x11 | 68 | #define SPACE 0x11 |
| 69 | #define INQUIRY 0x12 | 69 | #define INQUIRY 0x12 |
| 70 | #define RECOVER_BUFFERED_DATA 0x14 | 70 | #define RECOVER_BUFFERED_DATA 0x14 |
| 71 | #define MODE_SELECT 0x15 | 71 | #define MODE_SELECT 0x15 |
| 72 | #define RESERVE 0x16 | 72 | #define RESERVE 0x16 |
| 73 | #define RELEASE 0x17 | 73 | #define RELEASE 0x17 |
| 74 | #define COPY 0x18 | 74 | #define COPY 0x18 |
| 75 | #define ERASE 0x19 | 75 | #define ERASE 0x19 |
| 76 | #define MODE_SENSE 0x1a | 76 | #define MODE_SENSE 0x1a |
| 77 | #define START_STOP 0x1b | 77 | #define START_STOP 0x1b |
| 78 | #define RECEIVE_DIAGNOSTIC 0x1c | 78 | #define RECEIVE_DIAGNOSTIC 0x1c |
| 79 | #define SEND_DIAGNOSTIC 0x1d | 79 | #define SEND_DIAGNOSTIC 0x1d |
| 80 | #define ALLOW_MEDIUM_REMOVAL 0x1e | 80 | #define ALLOW_MEDIUM_REMOVAL 0x1e |
| 81 | 81 | ||
| 82 | #define READ_FORMAT_CAPACITIES 0x23 | 82 | #define READ_FORMAT_CAPACITIES 0x23 |
| 83 | #define SET_WINDOW 0x24 | 83 | #define SET_WINDOW 0x24 |
| 84 | #define READ_CAPACITY 0x25 | 84 | #define READ_CAPACITY 0x25 |
| 85 | #define READ_10 0x28 | 85 | #define READ_10 0x28 |
| 86 | #define WRITE_10 0x2a | 86 | #define WRITE_10 0x2a |
| 87 | #define SEEK_10 0x2b | 87 | #define SEEK_10 0x2b |
| 88 | #define POSITION_TO_ELEMENT 0x2b | 88 | #define POSITION_TO_ELEMENT 0x2b |
| 89 | #define WRITE_VERIFY 0x2e | 89 | #define WRITE_VERIFY 0x2e |
| 90 | #define VERIFY 0x2f | 90 | #define VERIFY 0x2f |
| 91 | #define SEARCH_HIGH 0x30 | 91 | #define SEARCH_HIGH 0x30 |
| 92 | #define SEARCH_EQUAL 0x31 | 92 | #define SEARCH_EQUAL 0x31 |
| 93 | #define SEARCH_LOW 0x32 | 93 | #define SEARCH_LOW 0x32 |
| 94 | #define SET_LIMITS 0x33 | 94 | #define SET_LIMITS 0x33 |
| 95 | #define PRE_FETCH 0x34 | 95 | #define PRE_FETCH 0x34 |
| 96 | #define READ_POSITION 0x34 | 96 | #define READ_POSITION 0x34 |
| 97 | #define SYNCHRONIZE_CACHE 0x35 | 97 | #define SYNCHRONIZE_CACHE 0x35 |
| 98 | #define LOCK_UNLOCK_CACHE 0x36 | 98 | #define LOCK_UNLOCK_CACHE 0x36 |
| 99 | #define READ_DEFECT_DATA 0x37 | 99 | #define READ_DEFECT_DATA 0x37 |
| 100 | #define MEDIUM_SCAN 0x38 | 100 | #define MEDIUM_SCAN 0x38 |
| 101 | #define COMPARE 0x39 | 101 | #define COMPARE 0x39 |
| 102 | #define COPY_VERIFY 0x3a | 102 | #define COPY_VERIFY 0x3a |
| 103 | #define WRITE_BUFFER 0x3b | 103 | #define WRITE_BUFFER 0x3b |
| 104 | #define READ_BUFFER 0x3c | 104 | #define READ_BUFFER 0x3c |
| 105 | #define UPDATE_BLOCK 0x3d | 105 | #define UPDATE_BLOCK 0x3d |
| 106 | #define READ_LONG 0x3e | 106 | #define READ_LONG 0x3e |
| 107 | #define WRITE_LONG 0x3f | 107 | #define WRITE_LONG 0x3f |
| 108 | #define CHANGE_DEFINITION 0x40 | 108 | #define CHANGE_DEFINITION 0x40 |
| 109 | #define WRITE_SAME 0x41 | 109 | #define WRITE_SAME 0x41 |
| 110 | #define UNMAP 0x42 | 110 | #define UNMAP 0x42 |
| 111 | #define READ_TOC 0x43 | 111 | #define READ_TOC 0x43 |
| 112 | #define READ_HEADER 0x44 | 112 | #define READ_HEADER 0x44 |
| 113 | #define GET_EVENT_STATUS_NOTIFICATION 0x4a | 113 | #define GET_EVENT_STATUS_NOTIFICATION 0x4a |
| 114 | #define LOG_SELECT 0x4c | 114 | #define LOG_SELECT 0x4c |
| 115 | #define LOG_SENSE 0x4d | 115 | #define LOG_SENSE 0x4d |
| 116 | #define XDWRITEREAD_10 0x53 | 116 | #define XDWRITEREAD_10 0x53 |
| 117 | #define MODE_SELECT_10 0x55 | 117 | #define MODE_SELECT_10 0x55 |
| 118 | #define RESERVE_10 0x56 | 118 | #define RESERVE_10 0x56 |
| 119 | #define RELEASE_10 0x57 | 119 | #define RELEASE_10 0x57 |
| 120 | #define MODE_SENSE_10 0x5a | 120 | #define MODE_SENSE_10 0x5a |
| 121 | #define PERSISTENT_RESERVE_IN 0x5e | 121 | #define PERSISTENT_RESERVE_IN 0x5e |
| 122 | #define PERSISTENT_RESERVE_OUT 0x5f | 122 | #define PERSISTENT_RESERVE_OUT 0x5f |
| 123 | #define VARIABLE_LENGTH_CMD 0x7f | 123 | #define VARIABLE_LENGTH_CMD 0x7f |
| 124 | #define REPORT_LUNS 0xa0 | 124 | #define REPORT_LUNS 0xa0 |
| 125 | #define SECURITY_PROTOCOL_IN 0xa2 | 125 | #define SECURITY_PROTOCOL_IN 0xa2 |
| 126 | #define MAINTENANCE_IN 0xa3 | 126 | #define MAINTENANCE_IN 0xa3 |
| 127 | #define MAINTENANCE_OUT 0xa4 | 127 | #define MAINTENANCE_OUT 0xa4 |
| 128 | #define MOVE_MEDIUM 0xa5 | 128 | #define MOVE_MEDIUM 0xa5 |
| 129 | #define EXCHANGE_MEDIUM 0xa6 | 129 | #define EXCHANGE_MEDIUM 0xa6 |
| 130 | #define READ_12 0xa8 | 130 | #define READ_12 0xa8 |
| 131 | #define WRITE_12 0xaa | 131 | #define WRITE_12 0xaa |
| 132 | #define READ_MEDIA_SERIAL_NUMBER 0xab | 132 | #define READ_MEDIA_SERIAL_NUMBER 0xab |
| 133 | #define WRITE_VERIFY_12 0xae | 133 | #define WRITE_VERIFY_12 0xae |
| 134 | #define VERIFY_12 0xaf | 134 | #define VERIFY_12 0xaf |
| 135 | #define SEARCH_HIGH_12 0xb0 | 135 | #define SEARCH_HIGH_12 0xb0 |
| 136 | #define SEARCH_EQUAL_12 0xb1 | 136 | #define SEARCH_EQUAL_12 0xb1 |
| 137 | #define SEARCH_LOW_12 0xb2 | 137 | #define SEARCH_LOW_12 0xb2 |
| 138 | #define SECURITY_PROTOCOL_OUT 0xb5 | 138 | #define SECURITY_PROTOCOL_OUT 0xb5 |
| 139 | #define READ_ELEMENT_STATUS 0xb8 | 139 | #define READ_ELEMENT_STATUS 0xb8 |
| 140 | #define SEND_VOLUME_TAG 0xb6 | 140 | #define SEND_VOLUME_TAG 0xb6 |
| 141 | #define WRITE_LONG_2 0xea | 141 | #define WRITE_LONG_2 0xea |
| 142 | #define EXTENDED_COPY 0x83 | 142 | #define EXTENDED_COPY 0x83 |
| 143 | #define RECEIVE_COPY_RESULTS 0x84 | 143 | #define RECEIVE_COPY_RESULTS 0x84 |
| 144 | #define ACCESS_CONTROL_IN 0x86 | 144 | #define ACCESS_CONTROL_IN 0x86 |
| 145 | #define ACCESS_CONTROL_OUT 0x87 | 145 | #define ACCESS_CONTROL_OUT 0x87 |
| 146 | #define READ_16 0x88 | 146 | #define READ_16 0x88 |
| 147 | #define COMPARE_AND_WRITE 0x89 | 147 | #define COMPARE_AND_WRITE 0x89 |
| 148 | #define WRITE_16 0x8a | 148 | #define WRITE_16 0x8a |
| 149 | #define READ_ATTRIBUTE 0x8c | 149 | #define READ_ATTRIBUTE 0x8c |
| 150 | #define WRITE_ATTRIBUTE 0x8d | 150 | #define WRITE_ATTRIBUTE 0x8d |
| 151 | #define VERIFY_16 0x8f | 151 | #define VERIFY_16 0x8f |
| 152 | #define SYNCHRONIZE_CACHE_16 0x91 | 152 | #define SYNCHRONIZE_CACHE_16 0x91 |
| 153 | #define WRITE_SAME_16 0x93 | 153 | #define WRITE_SAME_16 0x93 |
| 154 | #define SERVICE_ACTION_IN 0x9e | 154 | #define SERVICE_ACTION_IN 0x9e |
| 155 | /* values for service action in */ | 155 | /* values for service action in */ |
| 156 | #define SAI_READ_CAPACITY_16 0x10 | 156 | #define SAI_READ_CAPACITY_16 0x10 |
| 157 | #define SAI_GET_LBA_STATUS 0x12 | 157 | #define SAI_GET_LBA_STATUS 0x12 |
| 158 | #define SAI_REPORT_REFERRALS 0x13 | 158 | #define SAI_REPORT_REFERRALS 0x13 |
| 159 | /* values for VARIABLE_LENGTH_CMD service action codes | 159 | /* values for VARIABLE_LENGTH_CMD service action codes |
| 160 | * see spc4r17 Section D.3.5, table D.7 and D.8 */ | 160 | * see spc4r17 Section D.3.5, table D.7 and D.8 */ |
| 161 | #define VLC_SA_RECEIVE_CREDENTIAL 0x1800 | 161 | #define VLC_SA_RECEIVE_CREDENTIAL 0x1800 |
| 162 | /* values for maintenance in */ | 162 | /* values for maintenance in */ |
| 163 | #define MI_REPORT_IDENTIFYING_INFORMATION 0x05 | 163 | #define MI_REPORT_IDENTIFYING_INFORMATION 0x05 |
| 164 | #define MI_REPORT_TARGET_PGS 0x0a | 164 | #define MI_REPORT_TARGET_PGS 0x0a |
| 165 | #define MI_REPORT_ALIASES 0x0b | 165 | #define MI_REPORT_ALIASES 0x0b |
| 166 | #define MI_REPORT_SUPPORTED_OPERATION_CODES 0x0c | 166 | #define MI_REPORT_SUPPORTED_OPERATION_CODES 0x0c |
| 167 | #define MI_REPORT_SUPPORTED_TASK_MANAGEMENT_FUNCTIONS 0x0d | 167 | #define MI_REPORT_SUPPORTED_TASK_MANAGEMENT_FUNCTIONS 0x0d |
| 168 | #define MI_REPORT_PRIORITY 0x0e | 168 | #define MI_REPORT_PRIORITY 0x0e |
| 169 | #define MI_REPORT_TIMESTAMP 0x0f | 169 | #define MI_REPORT_TIMESTAMP 0x0f |
| 170 | #define MI_MANAGEMENT_PROTOCOL_IN 0x10 | 170 | #define MI_MANAGEMENT_PROTOCOL_IN 0x10 |
| 171 | /* value for MI_REPORT_TARGET_PGS ext header */ | 171 | /* value for MI_REPORT_TARGET_PGS ext header */ |
| 172 | #define MI_EXT_HDR_PARAM_FMT 0x20 | 172 | #define MI_EXT_HDR_PARAM_FMT 0x20 |
| 173 | /* values for maintenance out */ | 173 | /* values for maintenance out */ |
| 174 | #define MO_SET_IDENTIFYING_INFORMATION 0x06 | 174 | #define MO_SET_IDENTIFYING_INFORMATION 0x06 |
| 175 | #define MO_SET_TARGET_PGS 0x0a | 175 | #define MO_SET_TARGET_PGS 0x0a |
| 176 | #define MO_CHANGE_ALIASES 0x0b | 176 | #define MO_CHANGE_ALIASES 0x0b |
| 177 | #define MO_SET_PRIORITY 0x0e | 177 | #define MO_SET_PRIORITY 0x0e |
| 178 | #define MO_SET_TIMESTAMP 0x0f | 178 | #define MO_SET_TIMESTAMP 0x0f |
| 179 | #define MO_MANAGEMENT_PROTOCOL_OUT 0x10 | 179 | #define MO_MANAGEMENT_PROTOCOL_OUT 0x10 |
| 180 | /* values for variable length command */ | 180 | /* values for variable length command */ |
| 181 | #define XDREAD_32 0x03 | 181 | #define XDREAD_32 0x03 |
| 182 | #define XDWRITE_32 0x04 | 182 | #define XDWRITE_32 0x04 |
| 183 | #define XPWRITE_32 0x06 | 183 | #define XPWRITE_32 0x06 |
| 184 | #define XDWRITEREAD_32 0x07 | 184 | #define XDWRITEREAD_32 0x07 |
| 185 | #define READ_32 0x09 | 185 | #define READ_32 0x09 |
| 186 | #define VERIFY_32 0x0a | 186 | #define VERIFY_32 0x0a |
| 187 | #define WRITE_32 0x0b | 187 | #define WRITE_32 0x0b |
| 188 | #define WRITE_SAME_32 0x0d | 188 | #define WRITE_SAME_32 0x0d |
| 189 | 189 | ||
| 190 | /* Values for T10/04-262r7 */ | 190 | /* Values for T10/04-262r7 */ |
| 191 | #define ATA_16 0x85 /* 16-byte pass-thru */ | 191 | #define ATA_16 0x85 /* 16-byte pass-thru */ |
| 192 | #define ATA_12 0xa1 /* 12-byte pass-thru */ | 192 | #define ATA_12 0xa1 /* 12-byte pass-thru */ |
| 193 | 193 | ||
| 194 | /* | 194 | /* |
| 195 | * SCSI command lengths | 195 | * SCSI command lengths |
| 196 | */ | 196 | */ |
| 197 | 197 | ||
| 198 | #define SCSI_MAX_VARLEN_CDB_SIZE 260 | 198 | #define SCSI_MAX_VARLEN_CDB_SIZE 260 |
| 199 | 199 | ||
| 200 | /* defined in T10 SCSI Primary Commands-2 (SPC2) */ | 200 | /* defined in T10 SCSI Primary Commands-2 (SPC2) */ |
| 201 | struct scsi_varlen_cdb_hdr { | 201 | struct scsi_varlen_cdb_hdr { |
| 202 | __u8 opcode; /* opcode always == VARIABLE_LENGTH_CMD */ | 202 | __u8 opcode; /* opcode always == VARIABLE_LENGTH_CMD */ |
| 203 | __u8 control; | 203 | __u8 control; |
| 204 | __u8 misc[5]; | 204 | __u8 misc[5]; |
| 205 | __u8 additional_cdb_length; /* total cdb length - 8 */ | 205 | __u8 additional_cdb_length; /* total cdb length - 8 */ |
| 206 | __be16 service_action; | 206 | __be16 service_action; |
| 207 | /* service specific data follows */ | 207 | /* service specific data follows */ |
| 208 | }; | 208 | }; |
| 209 | 209 | ||
| 210 | static inline unsigned | 210 | static inline unsigned |
| 211 | scsi_varlen_cdb_length(const void *hdr) | 211 | scsi_varlen_cdb_length(const void *hdr) |
| 212 | { | 212 | { |
| 213 | return ((struct scsi_varlen_cdb_hdr *)hdr)->additional_cdb_length + 8; | 213 | return ((struct scsi_varlen_cdb_hdr *)hdr)->additional_cdb_length + 8; |
| 214 | } | 214 | } |
| 215 | 215 | ||
| 216 | extern const unsigned char scsi_command_size_tbl[8]; | 216 | extern const unsigned char scsi_command_size_tbl[8]; |
| 217 | #define COMMAND_SIZE(opcode) scsi_command_size_tbl[((opcode) >> 5) & 7] | 217 | #define COMMAND_SIZE(opcode) scsi_command_size_tbl[((opcode) >> 5) & 7] |
| 218 | 218 | ||
| 219 | static inline unsigned | 219 | static inline unsigned |
| 220 | scsi_command_size(const unsigned char *cmnd) | 220 | scsi_command_size(const unsigned char *cmnd) |
| 221 | { | 221 | { |
| 222 | return (cmnd[0] == VARIABLE_LENGTH_CMD) ? | 222 | return (cmnd[0] == VARIABLE_LENGTH_CMD) ? |
| 223 | scsi_varlen_cdb_length(cmnd) : COMMAND_SIZE(cmnd[0]); | 223 | scsi_varlen_cdb_length(cmnd) : COMMAND_SIZE(cmnd[0]); |
| 224 | } | 224 | } |
| 225 | 225 | ||
| 226 | #ifdef CONFIG_ACPI | 226 | #ifdef CONFIG_ACPI |
| 227 | struct acpi_bus_type; | 227 | struct acpi_bus_type; |
| 228 | 228 | ||
| 229 | extern int | 229 | extern int |
| 230 | scsi_register_acpi_bus_type(struct acpi_bus_type *bus); | 230 | scsi_register_acpi_bus_type(struct acpi_bus_type *bus); |
| 231 | 231 | ||
| 232 | extern void | 232 | extern void |
| 233 | scsi_unregister_acpi_bus_type(struct acpi_bus_type *bus); | 233 | scsi_unregister_acpi_bus_type(struct acpi_bus_type *bus); |
| 234 | #endif | 234 | #endif |
| 235 | 235 | ||
| 236 | /* | 236 | /* |
| 237 | * SCSI Architecture Model (SAM) Status codes. Taken from SAM-3 draft | 237 | * SCSI Architecture Model (SAM) Status codes. Taken from SAM-3 draft |
| 238 | * T10/1561-D Revision 4 Draft dated 7th November 2002. | 238 | * T10/1561-D Revision 4 Draft dated 7th November 2002. |
| 239 | */ | 239 | */ |
| 240 | #define SAM_STAT_GOOD 0x00 | 240 | #define SAM_STAT_GOOD 0x00 |
| 241 | #define SAM_STAT_CHECK_CONDITION 0x02 | 241 | #define SAM_STAT_CHECK_CONDITION 0x02 |
| 242 | #define SAM_STAT_CONDITION_MET 0x04 | 242 | #define SAM_STAT_CONDITION_MET 0x04 |
| 243 | #define SAM_STAT_BUSY 0x08 | 243 | #define SAM_STAT_BUSY 0x08 |
| 244 | #define SAM_STAT_INTERMEDIATE 0x10 | 244 | #define SAM_STAT_INTERMEDIATE 0x10 |
| 245 | #define SAM_STAT_INTERMEDIATE_CONDITION_MET 0x14 | 245 | #define SAM_STAT_INTERMEDIATE_CONDITION_MET 0x14 |
| 246 | #define SAM_STAT_RESERVATION_CONFLICT 0x18 | 246 | #define SAM_STAT_RESERVATION_CONFLICT 0x18 |
| 247 | #define SAM_STAT_COMMAND_TERMINATED 0x22 /* obsolete in SAM-3 */ | 247 | #define SAM_STAT_COMMAND_TERMINATED 0x22 /* obsolete in SAM-3 */ |
| 248 | #define SAM_STAT_TASK_SET_FULL 0x28 | 248 | #define SAM_STAT_TASK_SET_FULL 0x28 |
| 249 | #define SAM_STAT_ACA_ACTIVE 0x30 | 249 | #define SAM_STAT_ACA_ACTIVE 0x30 |
| 250 | #define SAM_STAT_TASK_ABORTED 0x40 | 250 | #define SAM_STAT_TASK_ABORTED 0x40 |
| 251 | 251 | ||
| 252 | /** scsi_status_is_good - check the status return. | 252 | /** scsi_status_is_good - check the status return. |
| 253 | * | 253 | * |
| 254 | * @status: the status passed up from the driver (including host and | 254 | * @status: the status passed up from the driver (including host and |
| 255 | * driver components) | 255 | * driver components) |
| 256 | * | 256 | * |
| 257 | * This returns true for known good conditions that may be treated as | 257 | * This returns true for known good conditions that may be treated as |
| 258 | * command completed normally | 258 | * command completed normally |
| 259 | */ | 259 | */ |
| 260 | static inline int scsi_status_is_good(int status) | 260 | static inline int scsi_status_is_good(int status) |
| 261 | { | 261 | { |
| 262 | /* | 262 | /* |
| 263 | * FIXME: bit0 is listed as reserved in SCSI-2, but is | 263 | * FIXME: bit0 is listed as reserved in SCSI-2, but is |
| 264 | * significant in SCSI-3. For now, we follow the SCSI-2 | 264 | * significant in SCSI-3. For now, we follow the SCSI-2 |
| 265 | * behaviour and ignore reserved bits. | 265 | * behaviour and ignore reserved bits. |
| 266 | */ | 266 | */ |
| 267 | status &= 0xfe; | 267 | status &= 0xfe; |
| 268 | return ((status == SAM_STAT_GOOD) || | 268 | return ((status == SAM_STAT_GOOD) || |
| 269 | (status == SAM_STAT_INTERMEDIATE) || | 269 | (status == SAM_STAT_INTERMEDIATE) || |
| 270 | (status == SAM_STAT_INTERMEDIATE_CONDITION_MET) || | 270 | (status == SAM_STAT_INTERMEDIATE_CONDITION_MET) || |
| 271 | /* FIXME: this is obsolete in SAM-3 */ | 271 | /* FIXME: this is obsolete in SAM-3 */ |
| 272 | (status == SAM_STAT_COMMAND_TERMINATED)); | 272 | (status == SAM_STAT_COMMAND_TERMINATED)); |
| 273 | } | 273 | } |
| 274 | 274 | ||
| 275 | /* | 275 | /* |
| 276 | * Status codes. These are deprecated as they are shifted 1 bit right | 276 | * Status codes. These are deprecated as they are shifted 1 bit right |
| 277 | * from those found in the SCSI standards. This causes confusion for | 277 | * from those found in the SCSI standards. This causes confusion for |
| 278 | * applications that are ported to several OSes. Prefer SAM Status codes | 278 | * applications that are ported to several OSes. Prefer SAM Status codes |
| 279 | * above. | 279 | * above. |
| 280 | */ | 280 | */ |
| 281 | 281 | ||
| 282 | #define GOOD 0x00 | 282 | #define GOOD 0x00 |
| 283 | #define CHECK_CONDITION 0x01 | 283 | #define CHECK_CONDITION 0x01 |
| 284 | #define CONDITION_GOOD 0x02 | 284 | #define CONDITION_GOOD 0x02 |
| 285 | #define BUSY 0x04 | 285 | #define BUSY 0x04 |
| 286 | #define INTERMEDIATE_GOOD 0x08 | 286 | #define INTERMEDIATE_GOOD 0x08 |
| 287 | #define INTERMEDIATE_C_GOOD 0x0a | 287 | #define INTERMEDIATE_C_GOOD 0x0a |
| 288 | #define RESERVATION_CONFLICT 0x0c | 288 | #define RESERVATION_CONFLICT 0x0c |
| 289 | #define COMMAND_TERMINATED 0x11 | 289 | #define COMMAND_TERMINATED 0x11 |
| 290 | #define QUEUE_FULL 0x14 | 290 | #define QUEUE_FULL 0x14 |
| 291 | #define ACA_ACTIVE 0x18 | 291 | #define ACA_ACTIVE 0x18 |
| 292 | #define TASK_ABORTED 0x20 | 292 | #define TASK_ABORTED 0x20 |
| 293 | 293 | ||
| 294 | #define STATUS_MASK 0xfe | 294 | #define STATUS_MASK 0xfe |
| 295 | 295 | ||
| 296 | /* | 296 | /* |
| 297 | * SENSE KEYS | 297 | * SENSE KEYS |
| 298 | */ | 298 | */ |
| 299 | 299 | ||
| 300 | #define NO_SENSE 0x00 | 300 | #define NO_SENSE 0x00 |
| 301 | #define RECOVERED_ERROR 0x01 | 301 | #define RECOVERED_ERROR 0x01 |
| 302 | #define NOT_READY 0x02 | 302 | #define NOT_READY 0x02 |
| 303 | #define MEDIUM_ERROR 0x03 | 303 | #define MEDIUM_ERROR 0x03 |
| 304 | #define HARDWARE_ERROR 0x04 | 304 | #define HARDWARE_ERROR 0x04 |
| 305 | #define ILLEGAL_REQUEST 0x05 | 305 | #define ILLEGAL_REQUEST 0x05 |
| 306 | #define UNIT_ATTENTION 0x06 | 306 | #define UNIT_ATTENTION 0x06 |
| 307 | #define DATA_PROTECT 0x07 | 307 | #define DATA_PROTECT 0x07 |
| 308 | #define BLANK_CHECK 0x08 | 308 | #define BLANK_CHECK 0x08 |
| 309 | #define COPY_ABORTED 0x0a | 309 | #define COPY_ABORTED 0x0a |
| 310 | #define ABORTED_COMMAND 0x0b | 310 | #define ABORTED_COMMAND 0x0b |
| 311 | #define VOLUME_OVERFLOW 0x0d | 311 | #define VOLUME_OVERFLOW 0x0d |
| 312 | #define MISCOMPARE 0x0e | 312 | #define MISCOMPARE 0x0e |
| 313 | 313 | ||
| 314 | 314 | ||
| 315 | /* | 315 | /* |
| 316 | * DEVICE TYPES | 316 | * DEVICE TYPES |
| 317 | * Please keep them in 0x%02x format for $MODALIAS to work | 317 | * Please keep them in 0x%02x format for $MODALIAS to work |
| 318 | */ | 318 | */ |
| 319 | 319 | ||
| 320 | #define TYPE_DISK 0x00 | 320 | #define TYPE_DISK 0x00 |
| 321 | #define TYPE_TAPE 0x01 | 321 | #define TYPE_TAPE 0x01 |
| 322 | #define TYPE_PRINTER 0x02 | 322 | #define TYPE_PRINTER 0x02 |
| 323 | #define TYPE_PROCESSOR 0x03 /* HP scanners use this */ | 323 | #define TYPE_PROCESSOR 0x03 /* HP scanners use this */ |
| 324 | #define TYPE_WORM 0x04 /* Treated as ROM by our system */ | 324 | #define TYPE_WORM 0x04 /* Treated as ROM by our system */ |
| 325 | #define TYPE_ROM 0x05 | 325 | #define TYPE_ROM 0x05 |
| 326 | #define TYPE_SCANNER 0x06 | 326 | #define TYPE_SCANNER 0x06 |
| 327 | #define TYPE_MOD 0x07 /* Magneto-optical disk - | 327 | #define TYPE_MOD 0x07 /* Magneto-optical disk - |
| 328 | * - treated as TYPE_DISK */ | 328 | * - treated as TYPE_DISK */ |
| 329 | #define TYPE_MEDIUM_CHANGER 0x08 | 329 | #define TYPE_MEDIUM_CHANGER 0x08 |
| 330 | #define TYPE_COMM 0x09 /* Communications device */ | 330 | #define TYPE_COMM 0x09 /* Communications device */ |
| 331 | #define TYPE_RAID 0x0c | 331 | #define TYPE_RAID 0x0c |
| 332 | #define TYPE_ENCLOSURE 0x0d /* Enclosure Services Device */ | 332 | #define TYPE_ENCLOSURE 0x0d /* Enclosure Services Device */ |
| 333 | #define TYPE_RBC 0x0e | 333 | #define TYPE_RBC 0x0e |
| 334 | #define TYPE_OSD 0x11 | 334 | #define TYPE_OSD 0x11 |
| 335 | #define TYPE_ZBC 0x14 | ||
| 335 | #define TYPE_NO_LUN 0x7f | 336 | #define TYPE_NO_LUN 0x7f |
| 336 | 337 | ||
| 337 | /* SCSI protocols; these are taken from SPC-3 section 7.5 */ | 338 | /* SCSI protocols; these are taken from SPC-3 section 7.5 */ |
| 338 | enum scsi_protocol { | 339 | enum scsi_protocol { |
| 339 | SCSI_PROTOCOL_FCP = 0, /* Fibre Channel */ | 340 | SCSI_PROTOCOL_FCP = 0, /* Fibre Channel */ |
| 340 | SCSI_PROTOCOL_SPI = 1, /* parallel SCSI */ | 341 | SCSI_PROTOCOL_SPI = 1, /* parallel SCSI */ |
| 341 | SCSI_PROTOCOL_SSA = 2, /* Serial Storage Architecture - Obsolete */ | 342 | SCSI_PROTOCOL_SSA = 2, /* Serial Storage Architecture - Obsolete */ |
| 342 | SCSI_PROTOCOL_SBP = 3, /* firewire */ | 343 | SCSI_PROTOCOL_SBP = 3, /* firewire */ |
| 343 | SCSI_PROTOCOL_SRP = 4, /* Infiniband RDMA */ | 344 | SCSI_PROTOCOL_SRP = 4, /* Infiniband RDMA */ |
| 344 | SCSI_PROTOCOL_ISCSI = 5, | 345 | SCSI_PROTOCOL_ISCSI = 5, |
| 345 | SCSI_PROTOCOL_SAS = 6, | 346 | SCSI_PROTOCOL_SAS = 6, |
| 346 | SCSI_PROTOCOL_ADT = 7, /* Media Changers */ | 347 | SCSI_PROTOCOL_ADT = 7, /* Media Changers */ |
| 347 | SCSI_PROTOCOL_ATA = 8, | 348 | SCSI_PROTOCOL_ATA = 8, |
| 348 | SCSI_PROTOCOL_UNSPEC = 0xf, /* No specific protocol */ | 349 | SCSI_PROTOCOL_UNSPEC = 0xf, /* No specific protocol */ |
| 349 | }; | 350 | }; |
| 350 | 351 | ||
| 351 | /* Returns a human-readable name for the device */ | 352 | /* Returns a human-readable name for the device */ |
| 352 | extern const char * scsi_device_type(unsigned type); | 353 | extern const char * scsi_device_type(unsigned type); |
| 353 | 354 | ||
| 354 | /* | 355 | /* |
| 355 | * standard mode-select header prepended to all mode-select commands | 356 | * standard mode-select header prepended to all mode-select commands |
| 356 | */ | 357 | */ |
| 357 | 358 | ||
| 358 | struct ccs_modesel_head { | 359 | struct ccs_modesel_head { |
| 359 | __u8 _r1; /* reserved */ | 360 | __u8 _r1; /* reserved */ |
| 360 | __u8 medium; /* device-specific medium type */ | 361 | __u8 medium; /* device-specific medium type */ |
| 361 | __u8 _r2; /* reserved */ | 362 | __u8 _r2; /* reserved */ |
| 362 | __u8 block_desc_length; /* block descriptor length */ | 363 | __u8 block_desc_length; /* block descriptor length */ |
| 363 | __u8 density; /* device-specific density code */ | 364 | __u8 density; /* device-specific density code */ |
| 364 | __u8 number_blocks_hi; /* number of blocks in this block desc */ | 365 | __u8 number_blocks_hi; /* number of blocks in this block desc */ |
| 365 | __u8 number_blocks_med; | 366 | __u8 number_blocks_med; |
| 366 | __u8 number_blocks_lo; | 367 | __u8 number_blocks_lo; |
| 367 | __u8 _r3; | 368 | __u8 _r3; |
| 368 | __u8 block_length_hi; /* block length for blocks in this desc */ | 369 | __u8 block_length_hi; /* block length for blocks in this desc */ |
| 369 | __u8 block_length_med; | 370 | __u8 block_length_med; |
| 370 | __u8 block_length_lo; | 371 | __u8 block_length_lo; |
| 371 | }; | 372 | }; |
| 372 | 373 | ||
| 373 | /* | 374 | /* |
| 374 | * ScsiLun: 8 byte LUN. | 375 | * ScsiLun: 8 byte LUN. |
| 375 | */ | 376 | */ |
| 376 | struct scsi_lun { | 377 | struct scsi_lun { |
| 377 | __u8 scsi_lun[8]; | 378 | __u8 scsi_lun[8]; |
| 378 | }; | 379 | }; |
| 379 | 380 | ||
| 380 | /* | 381 | /* |
| 381 | * The Well Known LUNS (SAM-3) in our int representation of a LUN | 382 | * The Well Known LUNS (SAM-3) in our int representation of a LUN |
| 382 | */ | 383 | */ |
| 383 | #define SCSI_W_LUN_BASE 0xc100 | 384 | #define SCSI_W_LUN_BASE 0xc100 |
| 384 | #define SCSI_W_LUN_REPORT_LUNS (SCSI_W_LUN_BASE + 1) | 385 | #define SCSI_W_LUN_REPORT_LUNS (SCSI_W_LUN_BASE + 1) |
| 385 | #define SCSI_W_LUN_ACCESS_CONTROL (SCSI_W_LUN_BASE + 2) | 386 | #define SCSI_W_LUN_ACCESS_CONTROL (SCSI_W_LUN_BASE + 2) |
| 386 | #define SCSI_W_LUN_TARGET_LOG_PAGE (SCSI_W_LUN_BASE + 3) | 387 | #define SCSI_W_LUN_TARGET_LOG_PAGE (SCSI_W_LUN_BASE + 3) |
| 387 | 388 | ||
| 388 | static inline int scsi_is_wlun(u64 lun) | 389 | static inline int scsi_is_wlun(u64 lun) |
| 389 | { | 390 | { |
| 390 | return (lun & 0xff00) == SCSI_W_LUN_BASE; | 391 | return (lun & 0xff00) == SCSI_W_LUN_BASE; |
| 391 | } | 392 | } |
| 392 | 393 | ||
| 393 | 394 | ||
| 394 | /* | 395 | /* |
| 395 | * MESSAGE CODES | 396 | * MESSAGE CODES |
| 396 | */ | 397 | */ |
| 397 | 398 | ||
| 398 | #define COMMAND_COMPLETE 0x00 | 399 | #define COMMAND_COMPLETE 0x00 |
| 399 | #define EXTENDED_MESSAGE 0x01 | 400 | #define EXTENDED_MESSAGE 0x01 |
| 400 | #define EXTENDED_MODIFY_DATA_POINTER 0x00 | 401 | #define EXTENDED_MODIFY_DATA_POINTER 0x00 |
| 401 | #define EXTENDED_SDTR 0x01 | 402 | #define EXTENDED_SDTR 0x01 |
| 402 | #define EXTENDED_EXTENDED_IDENTIFY 0x02 /* SCSI-I only */ | 403 | #define EXTENDED_EXTENDED_IDENTIFY 0x02 /* SCSI-I only */ |
| 403 | #define EXTENDED_WDTR 0x03 | 404 | #define EXTENDED_WDTR 0x03 |
| 404 | #define EXTENDED_PPR 0x04 | 405 | #define EXTENDED_PPR 0x04 |
| 405 | #define EXTENDED_MODIFY_BIDI_DATA_PTR 0x05 | 406 | #define EXTENDED_MODIFY_BIDI_DATA_PTR 0x05 |
| 406 | #define SAVE_POINTERS 0x02 | 407 | #define SAVE_POINTERS 0x02 |
| 407 | #define RESTORE_POINTERS 0x03 | 408 | #define RESTORE_POINTERS 0x03 |
| 408 | #define DISCONNECT 0x04 | 409 | #define DISCONNECT 0x04 |
| 409 | #define INITIATOR_ERROR 0x05 | 410 | #define INITIATOR_ERROR 0x05 |
| 410 | #define ABORT_TASK_SET 0x06 | 411 | #define ABORT_TASK_SET 0x06 |
| 411 | #define MESSAGE_REJECT 0x07 | 412 | #define MESSAGE_REJECT 0x07 |
| 412 | #define NOP 0x08 | 413 | #define NOP 0x08 |
| 413 | #define MSG_PARITY_ERROR 0x09 | 414 | #define MSG_PARITY_ERROR 0x09 |
| 414 | #define LINKED_CMD_COMPLETE 0x0a | 415 | #define LINKED_CMD_COMPLETE 0x0a |
| 415 | #define LINKED_FLG_CMD_COMPLETE 0x0b | 416 | #define LINKED_FLG_CMD_COMPLETE 0x0b |
| 416 | #define TARGET_RESET 0x0c | 417 | #define TARGET_RESET 0x0c |
| 417 | #define ABORT_TASK 0x0d | 418 | #define ABORT_TASK 0x0d |
| 418 | #define CLEAR_TASK_SET 0x0e | 419 | #define CLEAR_TASK_SET 0x0e |
| 419 | #define INITIATE_RECOVERY 0x0f /* SCSI-II only */ | 420 | #define INITIATE_RECOVERY 0x0f /* SCSI-II only */ |
| 420 | #define RELEASE_RECOVERY 0x10 /* SCSI-II only */ | 421 | #define RELEASE_RECOVERY 0x10 /* SCSI-II only */ |
| 421 | #define CLEAR_ACA 0x16 | 422 | #define CLEAR_ACA 0x16 |
| 422 | #define LOGICAL_UNIT_RESET 0x17 | 423 | #define LOGICAL_UNIT_RESET 0x17 |
| 423 | #define SIMPLE_QUEUE_TAG 0x20 | 424 | #define SIMPLE_QUEUE_TAG 0x20 |
| 424 | #define HEAD_OF_QUEUE_TAG 0x21 | 425 | #define HEAD_OF_QUEUE_TAG 0x21 |
| 425 | #define ORDERED_QUEUE_TAG 0x22 | 426 | #define ORDERED_QUEUE_TAG 0x22 |
| 426 | #define IGNORE_WIDE_RESIDUE 0x23 | 427 | #define IGNORE_WIDE_RESIDUE 0x23 |
| 427 | #define ACA 0x24 | 428 | #define ACA 0x24 |
| 428 | #define QAS_REQUEST 0x55 | 429 | #define QAS_REQUEST 0x55 |
| 429 | 430 | ||
| 430 | /* Old SCSI2 names, don't use in new code */ | 431 | /* Old SCSI2 names, don't use in new code */ |
| 431 | #define BUS_DEVICE_RESET TARGET_RESET | 432 | #define BUS_DEVICE_RESET TARGET_RESET |
| 432 | #define ABORT ABORT_TASK_SET | 433 | #define ABORT ABORT_TASK_SET |
| 433 | 434 | ||
| 434 | /* | 435 | /* |
| 435 | * Host byte codes | 436 | * Host byte codes |
| 436 | */ | 437 | */ |
| 437 | 438 | ||
| 438 | #define DID_OK 0x00 /* NO error */ | 439 | #define DID_OK 0x00 /* NO error */ |
| 439 | #define DID_NO_CONNECT 0x01 /* Couldn't connect before timeout period */ | 440 | #define DID_NO_CONNECT 0x01 /* Couldn't connect before timeout period */ |
| 440 | #define DID_BUS_BUSY 0x02 /* BUS stayed busy through time out period */ | 441 | #define DID_BUS_BUSY 0x02 /* BUS stayed busy through time out period */ |
| 441 | #define DID_TIME_OUT 0x03 /* TIMED OUT for other reason */ | 442 | #define DID_TIME_OUT 0x03 /* TIMED OUT for other reason */ |
| 442 | #define DID_BAD_TARGET 0x04 /* BAD target. */ | 443 | #define DID_BAD_TARGET 0x04 /* BAD target. */ |
| 443 | #define DID_ABORT 0x05 /* Told to abort for some other reason */ | 444 | #define DID_ABORT 0x05 /* Told to abort for some other reason */ |
| 444 | #define DID_PARITY 0x06 /* Parity error */ | 445 | #define DID_PARITY 0x06 /* Parity error */ |
| 445 | #define DID_ERROR 0x07 /* Internal error */ | 446 | #define DID_ERROR 0x07 /* Internal error */ |
| 446 | #define DID_RESET 0x08 /* Reset by somebody. */ | 447 | #define DID_RESET 0x08 /* Reset by somebody. */ |
| 447 | #define DID_BAD_INTR 0x09 /* Got an interrupt we weren't expecting. */ | 448 | #define DID_BAD_INTR 0x09 /* Got an interrupt we weren't expecting. */ |
| 448 | #define DID_PASSTHROUGH 0x0a /* Force command past mid-layer */ | 449 | #define DID_PASSTHROUGH 0x0a /* Force command past mid-layer */ |
| 449 | #define DID_SOFT_ERROR 0x0b /* The low level driver just wish a retry */ | 450 | #define DID_SOFT_ERROR 0x0b /* The low level driver just wish a retry */ |
| 450 | #define DID_IMM_RETRY 0x0c /* Retry without decrementing retry count */ | 451 | #define DID_IMM_RETRY 0x0c /* Retry without decrementing retry count */ |
| 451 | #define DID_REQUEUE 0x0d /* Requeue command (no immediate retry) also | 452 | #define DID_REQUEUE 0x0d /* Requeue command (no immediate retry) also |
| 452 | * without decrementing the retry count */ | 453 | * without decrementing the retry count */ |
| 453 | #define DID_TRANSPORT_DISRUPTED 0x0e /* Transport error disrupted execution | 454 | #define DID_TRANSPORT_DISRUPTED 0x0e /* Transport error disrupted execution |
| 454 | * and the driver blocked the port to | 455 | * and the driver blocked the port to |
| 455 | * recover the link. Transport class will | 456 | * recover the link. Transport class will |
| 456 | * retry or fail IO */ | 457 | * retry or fail IO */ |
| 457 | #define DID_TRANSPORT_FAILFAST 0x0f /* Transport class fastfailed the io */ | 458 | #define DID_TRANSPORT_FAILFAST 0x0f /* Transport class fastfailed the io */ |
| 458 | #define DID_TARGET_FAILURE 0x10 /* Permanent target failure, do not retry on | 459 | #define DID_TARGET_FAILURE 0x10 /* Permanent target failure, do not retry on |
| 459 | * other paths */ | 460 | * other paths */ |
| 460 | #define DID_NEXUS_FAILURE 0x11 /* Permanent nexus failure, retry on other | 461 | #define DID_NEXUS_FAILURE 0x11 /* Permanent nexus failure, retry on other |
| 461 | * paths might yield different results */ | 462 | * paths might yield different results */ |
| 462 | #define DID_ALLOC_FAILURE 0x12 /* Space allocation on the device failed */ | 463 | #define DID_ALLOC_FAILURE 0x12 /* Space allocation on the device failed */ |
| 463 | #define DID_MEDIUM_ERROR 0x13 /* Medium error */ | 464 | #define DID_MEDIUM_ERROR 0x13 /* Medium error */ |
| 464 | #define DRIVER_OK 0x00 /* Driver status */ | 465 | #define DRIVER_OK 0x00 /* Driver status */ |
| 465 | 466 | ||
| 466 | /* | 467 | /* |
| 467 | * These indicate the error that occurred, and what is available. | 468 | * These indicate the error that occurred, and what is available. |
| 468 | */ | 469 | */ |
| 469 | 470 | ||
| 470 | #define DRIVER_BUSY 0x01 | 471 | #define DRIVER_BUSY 0x01 |
| 471 | #define DRIVER_SOFT 0x02 | 472 | #define DRIVER_SOFT 0x02 |
| 472 | #define DRIVER_MEDIA 0x03 | 473 | #define DRIVER_MEDIA 0x03 |
| 473 | #define DRIVER_ERROR 0x04 | 474 | #define DRIVER_ERROR 0x04 |
| 474 | 475 | ||
| 475 | #define DRIVER_INVALID 0x05 | 476 | #define DRIVER_INVALID 0x05 |
| 476 | #define DRIVER_TIMEOUT 0x06 | 477 | #define DRIVER_TIMEOUT 0x06 |
| 477 | #define DRIVER_HARD 0x07 | 478 | #define DRIVER_HARD 0x07 |
| 478 | #define DRIVER_SENSE 0x08 | 479 | #define DRIVER_SENSE 0x08 |
| 479 | 480 | ||
| 480 | /* | 481 | /* |
| 481 | * Internal return values. | 482 | * Internal return values. |
| 482 | */ | 483 | */ |
| 483 | 484 | ||
| 484 | #define NEEDS_RETRY 0x2001 | 485 | #define NEEDS_RETRY 0x2001 |
| 485 | #define SUCCESS 0x2002 | 486 | #define SUCCESS 0x2002 |
| 486 | #define FAILED 0x2003 | 487 | #define FAILED 0x2003 |
| 487 | #define QUEUED 0x2004 | 488 | #define QUEUED 0x2004 |
| 488 | #define SOFT_ERROR 0x2005 | 489 | #define SOFT_ERROR 0x2005 |
| 489 | #define ADD_TO_MLQUEUE 0x2006 | 490 | #define ADD_TO_MLQUEUE 0x2006 |
| 490 | #define TIMEOUT_ERROR 0x2007 | 491 | #define TIMEOUT_ERROR 0x2007 |
| 491 | #define SCSI_RETURN_NOT_HANDLED 0x2008 | 492 | #define SCSI_RETURN_NOT_HANDLED 0x2008 |
| 492 | #define FAST_IO_FAIL 0x2009 | 493 | #define FAST_IO_FAIL 0x2009 |
| 493 | 494 | ||
| 494 | /* | 495 | /* |
| 495 | * Midlevel queue return values. | 496 | * Midlevel queue return values. |
| 496 | */ | 497 | */ |
| 497 | #define SCSI_MLQUEUE_HOST_BUSY 0x1055 | 498 | #define SCSI_MLQUEUE_HOST_BUSY 0x1055 |
| 498 | #define SCSI_MLQUEUE_DEVICE_BUSY 0x1056 | 499 | #define SCSI_MLQUEUE_DEVICE_BUSY 0x1056 |
| 499 | #define SCSI_MLQUEUE_EH_RETRY 0x1057 | 500 | #define SCSI_MLQUEUE_EH_RETRY 0x1057 |
| 500 | #define SCSI_MLQUEUE_TARGET_BUSY 0x1058 | 501 | #define SCSI_MLQUEUE_TARGET_BUSY 0x1058 |
| 501 | 502 | ||
| 502 | /* | 503 | /* |
| 503 | * Use these to separate status msg and our bytes | 504 | * Use these to separate status msg and our bytes |
| 504 | * | 505 | * |
| 505 | * These are set by: | 506 | * These are set by: |
| 506 | * | 507 | * |
| 507 | * status byte = set from target device | 508 | * status byte = set from target device |
| 508 | * msg_byte = return status from host adapter itself. | 509 | * msg_byte = return status from host adapter itself. |
| 509 | * host_byte = set by low-level driver to indicate status. | 510 | * host_byte = set by low-level driver to indicate status. |
| 510 | * driver_byte = set by mid-level. | 511 | * driver_byte = set by mid-level. |
| 511 | */ | 512 | */ |
| 512 | #define status_byte(result) (((result) >> 1) & 0x7f) | 513 | #define status_byte(result) (((result) >> 1) & 0x7f) |
| 513 | #define msg_byte(result) (((result) >> 8) & 0xff) | 514 | #define msg_byte(result) (((result) >> 8) & 0xff) |
| 514 | #define host_byte(result) (((result) >> 16) & 0xff) | 515 | #define host_byte(result) (((result) >> 16) & 0xff) |
| 515 | #define driver_byte(result) (((result) >> 24) & 0xff) | 516 | #define driver_byte(result) (((result) >> 24) & 0xff) |
| 516 | 517 | ||
| 517 | #define sense_class(sense) (((sense) >> 4) & 0x7) | 518 | #define sense_class(sense) (((sense) >> 4) & 0x7) |
| 518 | #define sense_error(sense) ((sense) & 0xf) | 519 | #define sense_error(sense) ((sense) & 0xf) |
| 519 | #define sense_valid(sense) ((sense) & 0x80) | 520 | #define sense_valid(sense) ((sense) & 0x80) |
| 520 | 521 | ||
| 521 | /* | 522 | /* |
| 522 | * default timeouts | 523 | * default timeouts |
| 523 | */ | 524 | */ |
| 524 | #define FORMAT_UNIT_TIMEOUT (2 * 60 * 60 * HZ) | 525 | #define FORMAT_UNIT_TIMEOUT (2 * 60 * 60 * HZ) |
| 525 | #define START_STOP_TIMEOUT (60 * HZ) | 526 | #define START_STOP_TIMEOUT (60 * HZ) |
| 526 | #define MOVE_MEDIUM_TIMEOUT (5 * 60 * HZ) | 527 | #define MOVE_MEDIUM_TIMEOUT (5 * 60 * HZ) |
| 527 | #define READ_ELEMENT_STATUS_TIMEOUT (5 * 60 * HZ) | 528 | #define READ_ELEMENT_STATUS_TIMEOUT (5 * 60 * HZ) |
| 528 | #define READ_DEFECT_DATA_TIMEOUT (60 * HZ ) | 529 | #define READ_DEFECT_DATA_TIMEOUT (60 * HZ ) |
| 529 | 530 | ||
| 530 | 531 | ||
| 531 | #define IDENTIFY_BASE 0x80 | 532 | #define IDENTIFY_BASE 0x80 |
| 532 | #define IDENTIFY(can_disconnect, lun) (IDENTIFY_BASE |\ | 533 | #define IDENTIFY(can_disconnect, lun) (IDENTIFY_BASE |\ |
| 533 | ((can_disconnect) ? 0x40 : 0) |\ | 534 | ((can_disconnect) ? 0x40 : 0) |\ |
| 534 | ((lun) & 0x07)) | 535 | ((lun) & 0x07)) |
| 535 | 536 | ||
| 536 | /* | 537 | /* |
| 537 | * struct scsi_device::scsi_level values. For SCSI devices other than those | 538 | * struct scsi_device::scsi_level values. For SCSI devices other than those |
| 538 | * prior to SCSI-2 (i.e. over 12 years old) this value is (resp[2] + 1) | 539 | * prior to SCSI-2 (i.e. over 12 years old) this value is (resp[2] + 1) |
| 539 | * where "resp" is a byte array of the response to an INQUIRY. The scsi_level | 540 | * where "resp" is a byte array of the response to an INQUIRY. The scsi_level |
| 540 | * variable is visible to the user via sysfs. | 541 | * variable is visible to the user via sysfs. |
| 541 | */ | 542 | */ |
| 542 | 543 | ||
| 543 | #define SCSI_UNKNOWN 0 | 544 | #define SCSI_UNKNOWN 0 |
| 544 | #define SCSI_1 1 | 545 | #define SCSI_1 1 |
| 545 | #define SCSI_1_CCS 2 | 546 | #define SCSI_1_CCS 2 |
| 546 | #define SCSI_2 3 | 547 | #define SCSI_2 3 |
| 547 | #define SCSI_3 4 /* SPC */ | 548 | #define SCSI_3 4 /* SPC */ |
| 548 | #define SCSI_SPC_2 5 | 549 | #define SCSI_SPC_2 5 |
| 549 | #define SCSI_SPC_3 6 | 550 | #define SCSI_SPC_3 6 |
| 550 | 551 | ||
| 551 | /* | 552 | /* |
| 552 | * INQ PERIPHERAL QUALIFIERS | 553 | * INQ PERIPHERAL QUALIFIERS |
| 553 | */ | 554 | */ |
| 554 | #define SCSI_INQ_PQ_CON 0x00 | 555 | #define SCSI_INQ_PQ_CON 0x00 |
| 555 | #define SCSI_INQ_PQ_NOT_CON 0x01 | 556 | #define SCSI_INQ_PQ_NOT_CON 0x01 |
| 556 | #define SCSI_INQ_PQ_NOT_CAP 0x03 | 557 | #define SCSI_INQ_PQ_NOT_CAP 0x03 |
| 557 | 558 | ||
| 558 | 559 | ||
| 559 | /* | 560 | /* |
| 560 | * Here are some scsi specific ioctl commands which are sometimes useful. | 561 | * Here are some scsi specific ioctl commands which are sometimes useful. |
| 561 | * | 562 | * |
| 562 | * Note that include/linux/cdrom.h also defines IOCTL 0x5300 - 0x5395 | 563 | * Note that include/linux/cdrom.h also defines IOCTL 0x5300 - 0x5395 |
| 563 | */ | 564 | */ |
| 564 | 565 | ||
| 565 | /* Used to obtain PUN and LUN info. Conflicts with CDROMAUDIOBUFSIZ */ | 566 | /* Used to obtain PUN and LUN info. Conflicts with CDROMAUDIOBUFSIZ */ |
| 566 | #define SCSI_IOCTL_GET_IDLUN 0x5382 | 567 | #define SCSI_IOCTL_GET_IDLUN 0x5382 |
| 567 | 568 | ||
| 568 | /* 0x5383 and 0x5384 were used for SCSI_IOCTL_TAGGED_{ENABLE,DISABLE} */ | 569 | /* 0x5383 and 0x5384 were used for SCSI_IOCTL_TAGGED_{ENABLE,DISABLE} */ |
| 569 | 570 | ||
| 570 | /* Used to obtain the host number of a device. */ | 571 | /* Used to obtain the host number of a device. */ |
| 571 | #define SCSI_IOCTL_PROBE_HOST 0x5385 | 572 | #define SCSI_IOCTL_PROBE_HOST 0x5385 |
| 572 | 573 | ||
| 573 | /* Used to obtain the bus number for a device */ | 574 | /* Used to obtain the bus number for a device */ |
| 574 | #define SCSI_IOCTL_GET_BUS_NUMBER 0x5386 | 575 | #define SCSI_IOCTL_GET_BUS_NUMBER 0x5386 |
| 575 | 576 | ||
| 576 | /* Used to obtain the PCI location of a device */ | 577 | /* Used to obtain the PCI location of a device */ |
| 577 | #define SCSI_IOCTL_GET_PCI 0x5387 | 578 | #define SCSI_IOCTL_GET_PCI 0x5387 |
| 578 | 579 | ||
| 579 | /* Pull a u32 out of a SCSI message (using BE SCSI conventions) */ | 580 | /* Pull a u32 out of a SCSI message (using BE SCSI conventions) */ |
| 580 | static inline __u32 scsi_to_u32(__u8 *ptr) | 581 | static inline __u32 scsi_to_u32(__u8 *ptr) |
| 581 | { | 582 | { |
| 582 | return (ptr[0]<<24) + (ptr[1]<<16) + (ptr[2]<<8) + ptr[3]; | 583 | return (ptr[0]<<24) + (ptr[1]<<16) + (ptr[2]<<8) + ptr[3]; |
| 583 | } | 584 | } |
| 584 | 585 | ||
| 585 | #endif /* _SCSI_SCSI_H */ | 586 | #endif /* _SCSI_SCSI_H */ |
| 586 | 587 |