1 /* 2 * osd_sense.h - OSD Related sense handling definitions. 3 * 4 * Copyright (C) 2008 Panasas Inc. All rights reserved. 5 * 6 * Authors: 7 * Boaz Harrosh <ooo@electrozaur.com> 8 * Benny Halevy <bhalevy@panasas.com> 9 * 10 * This program is free software; you can redistribute it and/or modify 11 * it under the terms of the GNU General Public License version 2 12 * 13 * This file contains types and constants that are defined by the protocol 14 * Note: All names and symbols are taken from the OSD standard's text. 15 */ 16 #ifndef __OSD_SENSE_H__ 17 #define __OSD_SENSE_H__ 18 19 #include <scsi/osd_protocol.h> 20 21 /* SPC3r23 4.5.6 Sense key and sense code definitions table 27 */ 22 enum scsi_sense_keys { 23 scsi_sk_no_sense = 0x0, 24 scsi_sk_recovered_error = 0x1, 25 scsi_sk_not_ready = 0x2, 26 scsi_sk_medium_error = 0x3, 27 scsi_sk_hardware_error = 0x4, 28 scsi_sk_illegal_request = 0x5, 29 scsi_sk_unit_attention = 0x6, 30 scsi_sk_data_protect = 0x7, 31 scsi_sk_blank_check = 0x8, 32 scsi_sk_vendor_specific = 0x9, 33 scsi_sk_copy_aborted = 0xa, 34 scsi_sk_aborted_command = 0xb, 35 scsi_sk_volume_overflow = 0xd, 36 scsi_sk_miscompare = 0xe, 37 scsi_sk_reserved = 0xf, 38 }; 39 40 /* SPC3r23 4.5.6 Sense key and sense code definitions table 28 */ 41 /* Note: only those which can be returned by an OSD target. Most of 42 * these errors are taken care of by the generic scsi layer. 43 */ 44 enum osd_additional_sense_codes { 45 scsi_no_additional_sense_information = 0x0000, 46 scsi_operation_in_progress = 0x0016, 47 scsi_cleaning_requested = 0x0017, 48 scsi_lunr_cause_not_reportable = 0x0400, 49 scsi_logical_unit_is_in_process_of_becoming_ready = 0x0401, 50 scsi_lunr_initializing_command_required = 0x0402, 51 scsi_lunr_manual_intervention_required = 0x0403, 52 scsi_lunr_operation_in_progress = 0x0407, 53 scsi_lunr_selftest_in_progress = 0x0409, 54 scsi_luna_asymmetric_access_state_transition = 0x040a, 55 scsi_luna_target_port_in_standby_state = 0x040b, 56 scsi_luna_target_port_in_unavailable_state = 0x040c, 57 scsi_lunr_notify_enable_spinup_required = 0x0411, 58 scsi_logical_unit_does_not_respond_to_selection = 0x0500, 59 scsi_logical_unit_communication_failure = 0x0800, 60 scsi_logical_unit_communication_timeout = 0x0801, 61 scsi_logical_unit_communication_parity_error = 0x0802, 62 scsi_error_log_overflow = 0x0a00, 63 scsi_warning = 0x0b00, 64 scsi_warning_specified_temperature_exceeded = 0x0b01, 65 scsi_warning_enclosure_degraded = 0x0b02, 66 scsi_write_error_unexpected_unsolicited_data = 0x0c0c, 67 scsi_write_error_not_enough_unsolicited_data = 0x0c0d, 68 scsi_invalid_information_unit = 0x0e00, 69 scsi_invalid_field_in_command_information_unit = 0x0e03, 70 scsi_read_error_failed_retransmission_request = 0x1113, 71 scsi_parameter_list_length_error = 0x1a00, 72 scsi_invalid_command_operation_code = 0x2000, 73 scsi_invalid_field_in_cdb = 0x2400, 74 osd_security_audit_value_frozen = 0x2404, 75 osd_security_working_key_frozen = 0x2405, 76 osd_nonce_not_unique = 0x2406, 77 osd_nonce_timestamp_out_of_range = 0x2407, 78 scsi_logical_unit_not_supported = 0x2500, 79 scsi_invalid_field_in_parameter_list = 0x2600, 80 scsi_parameter_not_supported = 0x2601, 81 scsi_parameter_value_invalid = 0x2602, 82 scsi_invalid_release_of_persistent_reservation = 0x2604, 83 osd_invalid_dataout_buffer_integrity_check_value = 0x260f, 84 scsi_not_ready_to_ready_change_medium_may_have_changed = 0x2800, 85 scsi_power_on_reset_or_bus_device_reset_occurred = 0x2900, 86 scsi_power_on_occurred = 0x2901, 87 scsi_scsi_bus_reset_occurred = 0x2902, 88 scsi_bus_device_reset_function_occurred = 0x2903, 89 scsi_device_internal_reset = 0x2904, 90 scsi_transceiver_mode_changed_to_single_ended = 0x2905, 91 scsi_transceiver_mode_changed_to_lvd = 0x2906, 92 scsi_i_t_nexus_loss_occurred = 0x2907, 93 scsi_parameters_changed = 0x2a00, 94 scsi_mode_parameters_changed = 0x2a01, 95 scsi_asymmetric_access_state_changed = 0x2a06, 96 scsi_priority_changed = 0x2a08, 97 scsi_command_sequence_error = 0x2c00, 98 scsi_previous_busy_status = 0x2c07, 99 scsi_previous_task_set_full_status = 0x2c08, 100 scsi_previous_reservation_conflict_status = 0x2c09, 101 osd_partition_or_collection_contains_user_objects = 0x2c0a, 102 scsi_commands_cleared_by_another_initiator = 0x2f00, 103 scsi_cleaning_failure = 0x3007, 104 scsi_enclosure_failure = 0x3400, 105 scsi_enclosure_services_failure = 0x3500, 106 scsi_unsupported_enclosure_function = 0x3501, 107 scsi_enclosure_services_unavailable = 0x3502, 108 scsi_enclosure_services_transfer_failure = 0x3503, 109 scsi_enclosure_services_transfer_refused = 0x3504, 110 scsi_enclosure_services_checksum_error = 0x3505, 111 scsi_rounded_parameter = 0x3700, 112 osd_read_past_end_of_user_object = 0x3b17, 113 scsi_logical_unit_has_not_self_configured_yet = 0x3e00, 114 scsi_logical_unit_failure = 0x3e01, 115 scsi_timeout_on_logical_unit = 0x3e02, 116 scsi_logical_unit_failed_selftest = 0x3e03, 117 scsi_logical_unit_unable_to_update_selftest_log = 0x3e04, 118 scsi_target_operating_conditions_have_changed = 0x3f00, 119 scsi_microcode_has_been_changed = 0x3f01, 120 scsi_inquiry_data_has_changed = 0x3f03, 121 scsi_echo_buffer_overwritten = 0x3f0f, 122 scsi_diagnostic_failure_on_component_nn_first = 0x4080, 123 scsi_diagnostic_failure_on_component_nn_last = 0x40ff, 124 scsi_message_error = 0x4300, 125 scsi_internal_target_failure = 0x4400, 126 scsi_select_or_reselect_failure = 0x4500, 127 scsi_scsi_parity_error = 0x4700, 128 scsi_data_phase_crc_error_detected = 0x4701, 129 scsi_scsi_parity_error_detected_during_st_data_phase = 0x4702, 130 scsi_asynchronous_information_protection_error_detected = 0x4704, 131 scsi_protocol_service_crc_error = 0x4705, 132 scsi_phy_test_function_in_progress = 0x4706, 133 scsi_invalid_message_error = 0x4900, 134 scsi_command_phase_error = 0x4a00, 135 scsi_data_phase_error = 0x4b00, 136 scsi_logical_unit_failed_self_configuration = 0x4c00, 137 scsi_overlapped_commands_attempted = 0x4e00, 138 osd_quota_error = 0x5507, 139 scsi_failure_prediction_threshold_exceeded = 0x5d00, 140 scsi_failure_prediction_threshold_exceeded_false = 0x5dff, 141 scsi_voltage_fault = 0x6500, 142 }; 143 144 enum scsi_descriptor_types { 145 scsi_sense_information = 0x0, 146 scsi_sense_command_specific_information = 0x1, 147 scsi_sense_key_specific = 0x2, 148 scsi_sense_field_replaceable_unit = 0x3, 149 scsi_sense_stream_commands = 0x4, 150 scsi_sense_block_commands = 0x5, 151 osd_sense_object_identification = 0x6, 152 osd_sense_response_integrity_check = 0x7, 153 osd_sense_attribute_identification = 0x8, 154 scsi_sense_ata_return = 0x9, 155 156 scsi_sense_Reserved_first = 0x0A, 157 scsi_sense_Reserved_last = 0x7F, 158 scsi_sense_Vendor_specific_first = 0x80, 159 scsi_sense_Vendor_specific_last = 0xFF, 160 }; 161 162 struct scsi_sense_descriptor { /* for picking into desc type */ 163 u8 descriptor_type; /* one of enum scsi_descriptor_types */ 164 u8 additional_length; /* n - 1 */ 165 u8 data[]; 166 } __packed; 167 168 /* OSD deploys only scsi descriptor_based sense buffers */ 169 struct scsi_sense_descriptor_based { 170 /*0*/ u8 response_code; /* 0x72 or 0x73 */ 171 /*1*/ u8 sense_key; /* one of enum scsi_sense_keys (4 lower bits) */ 172 /*2*/ __be16 additional_sense_code; /* enum osd_additional_sense_codes */ 173 /*4*/ u8 Reserved[3]; 174 /*7*/ u8 additional_sense_length; /* n - 7 */ 175 /*8*/ struct scsi_sense_descriptor ssd[0]; /* variable length, 1 or more */ 176 } __packed; 177 178 /* some descriptors deployed by OSD */ 179 180 /* SPC3r23 4.5.2.3 Command-specific information sense data descriptor */ 181 /* Note: this is the same for descriptor_type=00 but with type=00 the 182 * Reserved[0] == 0x80 (ie. bit-7 set) 183 */ 184 struct scsi_sense_command_specific_data_descriptor { 185 /*0*/ u8 descriptor_type; /* (00h/01h) */ 186 /*1*/ u8 additional_length; /* (0Ah) */ 187 /*2*/ u8 Reserved[2]; 188 /*4*/ __be64 information; 189 } __packed; 190 /*12*/ 191 192 struct scsi_sense_key_specific_data_descriptor { 193 /*0*/ u8 descriptor_type; /* (02h) */ 194 /*1*/ u8 additional_length; /* (06h) */ 195 /*2*/ u8 Reserved[2]; 196 /* SKSV, C/D, Reserved (2), BPV, BIT POINTER (3) */ 197 /*4*/ u8 sksv_cd_bpv_bp; 198 /*5*/ __be16 value; /* field-pointer/progress-value/retry-count/... */ 199 /*7*/ u8 Reserved2; 200 } __packed; 201 /*8*/ 202 203 /* 4.16.2.1 OSD error identification sense data descriptor - table 52 */ 204 /* Note: these bits are defined LE order for easy definition, this way the BIT() 205 * number is the same as in the documentation. Below members at 206 * osd_sense_identification_data_descriptor are therefore defined __le32. 207 */ 208 enum osd_command_functions_bits { 209 OSD_CFB_COMMAND = BIT(4), 210 OSD_CFB_CMD_CAP_VERIFIED = BIT(5), 211 OSD_CFB_VALIDATION = BIT(7), 212 OSD_CFB_IMP_ST_ATT = BIT(12), 213 OSD_CFB_SET_ATT = BIT(20), 214 OSD_CFB_SA_CAP_VERIFIED = BIT(21), 215 OSD_CFB_GET_ATT = BIT(28), 216 OSD_CFB_GA_CAP_VERIFIED = BIT(29), 217 }; 218 219 struct osd_sense_identification_data_descriptor { 220 /*0*/ u8 descriptor_type; /* (06h) */ 221 /*1*/ u8 additional_length; /* (1Eh) */ 222 /*2*/ u8 Reserved[6]; 223 /*8*/ __le32 not_initiated_functions; /*osd_command_functions_bits*/ 224 /*12*/ __le32 completed_functions; /*osd_command_functions_bits*/ 225 /*16*/ __be64 partition_id; 226 /*24*/ __be64 object_id; 227 } __packed; 228 /*32*/ 229 230 struct osd_sense_response_integrity_check_descriptor { 231 /*0*/ u8 descriptor_type; /* (07h) */ 232 /*1*/ u8 additional_length; /* (20h) */ 233 /*2*/ u8 integrity_check_value[32]; /*FIXME: OSDv2_CRYPTO_KEYID_SIZE*/ 234 } __packed; 235 /*34*/ 236 237 struct osd_sense_attributes_data_descriptor { 238 /*0*/ u8 descriptor_type; /* (08h) */ 239 /*1*/ u8 additional_length; /* (n-2) */ 240 /*2*/ u8 Reserved[6]; 241 struct osd_sense_attr { 242 /*8*/ __be32 attr_page; 243 /*12*/ __be32 attr_id; 244 /*16*/ } sense_attrs[0]; /* 1 or more */ 245 } __packed; 246 /*variable*/ 247 248 /* Dig into scsi_sk_illegal_request/scsi_invalid_field_in_cdb errors */ 249 250 /*FIXME: Support also field in CAPS*/ 251 #define OSD_CDB_OFFSET(F) offsetof(struct osd_cdb_head, F) 252 253 enum osdv2_cdb_field_offset { 254 OSDv1_CFO_STARTING_BYTE = OSD_CDB_OFFSET(v1.start_address), 255 OSD_CFO_STARTING_BYTE = OSD_CDB_OFFSET(v2.start_address), 256 OSD_CFO_PARTITION_ID = OSD_CDB_OFFSET(partition), 257 OSD_CFO_OBJECT_ID = OSD_CDB_OFFSET(object), 258 OSD_CFO_PERMISSIONS = sizeof(struct osd_cdb_head) + 259 offsetof(struct osd_capability_head, 260 permissions_bit_mask), 261 }; 262 263 #endif /* ndef __OSD_SENSE_H__ */ 264