/* Copyright (C) 2010 by Ronnie Sahlberg This program is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with this program; if not, see . */ #ifndef __scsi_lowlevel_h__ #define __scsi_lowlevel_h__ #ifdef __cplusplus extern "C" { #endif #define SCSI_CDB_MAX_SIZE 16 enum scsi_opcode { SCSI_OPCODE_TESTUNITREADY = 0x00, SCSI_OPCODE_READ6 = 0x08, SCSI_OPCODE_INQUIRY = 0x12, SCSI_OPCODE_RESERVE6 = 0x16, SCSI_OPCODE_RELEASE6 = 0x17, SCSI_OPCODE_MODESENSE6 = 0x1a, SCSI_OPCODE_STARTSTOPUNIT = 0x1b, SCSI_OPCODE_PREVENTALLOW = 0x1e, SCSI_OPCODE_READCAPACITY10 = 0x25, SCSI_OPCODE_READ10 = 0x28, SCSI_OPCODE_WRITE10 = 0x2A, SCSI_OPCODE_WRITE_VERIFY10 = 0x2E, SCSI_OPCODE_VERIFY10 = 0x2F, SCSI_OPCODE_PREFETCH10 = 0x34, SCSI_OPCODE_SYNCHRONIZECACHE10 = 0x35, SCSI_OPCODE_WRITE_SAME10 = 0x41, SCSI_OPCODE_UNMAP = 0x42, SCSI_OPCODE_READTOC = 0x43, SCSI_OPCODE_READ16 = 0x88, SCSI_OPCODE_COMPARE_AND_WRITE = 0x89, SCSI_OPCODE_WRITE16 = 0x8A, SCSI_OPCODE_ORWRITE = 0x8B, SCSI_OPCODE_WRITE_VERIFY16 = 0x8E, SCSI_OPCODE_VERIFY16 = 0x8F, SCSI_OPCODE_PREFETCH16 = 0x90, SCSI_OPCODE_SYNCHRONIZECACHE16 = 0x91, SCSI_OPCODE_WRITE_SAME16 = 0x93, SCSI_OPCODE_SERVICE_ACTION_IN = 0x9E, SCSI_OPCODE_REPORTLUNS = 0xA0, SCSI_OPCODE_MAINTENANCE_IN = 0xA3, SCSI_OPCODE_READ12 = 0xA8, SCSI_OPCODE_WRITE12 = 0xAA, SCSI_OPCODE_WRITE_VERIFY12 = 0xAE, SCSI_OPCODE_VERIFY12 = 0xAF }; enum scsi_service_action_in { SCSI_READCAPACITY16 = 0x10, SCSI_GET_LBA_STATUS = 0x12 }; enum scsi_maintenance_in { SCSI_REPORT_SUPPORTED_OP_CODES = 0x0c }; enum scsi_op_code_reporting_options { SCSI_REPORT_SUPPORTING_OPS_ALL = 0x00, SCSI_REPORT_SUPPORTING_OPCODE = 0x01, SCSI_REPORT_SUPPORTING_SERVICEACTION = 0x02 }; /* sense keys */ enum scsi_sense_key { SCSI_SENSE_NO_SENSE = 0x00, SCSI_SENSE_RECOVERED_ERROR = 0x01, SCSI_SENSE_NOT_READY = 0x02, SCSI_SENSE_MEDIUM_ERROR = 0x03, SCSI_SENSE_HARDWARE_ERROR = 0x04, SCSI_SENSE_ILLEGAL_REQUEST = 0x05, SCSI_SENSE_UNIT_ATTENTION = 0x06, SCSI_SENSE_DATA_PROTECTION = 0x07, SCSI_SENSE_BLANK_CHECK = 0x08, SCSI_SENSE_VENDOR_SPECIFIC = 0x09, SCSI_SENSE_COPY_ABORTED = 0x0a, SCSI_SENSE_COMMAND_ABORTED = 0x0b, SCSI_SENSE_OBSOLETE_ERROR_CODE = 0x0c, SCSI_SENSE_OVERFLOW_COMMAND = 0x0d, SCSI_SENSE_MISCOMPARE = 0x0e }; EXTERN const char *scsi_sense_key_str(int key); /* ascq */ #define SCSI_SENSE_ASCQ_MISCOMPARE_DURING_VERIFY 0x1d00 #define SCSI_SENSE_ASCQ_INVALID_OPERATION_CODE 0x2000 #define SCSI_SENSE_ASCQ_LBA_OUT_OF_RANGE 0x2100 #define SCSI_SENSE_ASCQ_INVALID_FIELD_IN_CDB 0x2400 #define SCSI_SENSE_ASCQ_LOGICAL_UNIT_NOT_SUPPORTED 0x2500 #define SCSI_SENSE_ASCQ_WRITE_PROTECTED 0x2700 #define SCSI_SENSE_ASCQ_BUS_RESET 0x2900 #define SCSI_SENSE_ASCQ_MEDIUM_NOT_PRESENT 0x3a00 #define SCSI_SENSE_ASCQ_MEDIUM_NOT_PRESENT_TRAY_CLOSED 0x3a01 #define SCSI_SENSE_ASCQ_MEDIUM_NOT_PRESENT_TRAY_OPEN 0x3a02 #define SCSI_SENSE_ASCQ_INTERNAL_TARGET_FAILURE 0x4400 #define SCSI_SENSE_ASCQ_MEDIUM_LOAD_OR_EJECT_FAILED 0x5300 #define SCSI_SENSE_ASCQ_MEDIUM_REMOVAL_PREVENTED 0x5302 EXTERN const char *scsi_sense_ascq_str(int ascq); enum scsi_xfer_dir { SCSI_XFER_NONE = 0, SCSI_XFER_READ = 1, SCSI_XFER_WRITE = 2 }; /* * READTOC */ EXTERN struct scsi_task *scsi_cdb_readtoc(int msf, int format, int track_session, uint16_t alloc_len); enum scsi_readtoc_fmt { SCSI_READ_TOC = 0, SCSI_READ_SESSION_INFO = 1, SCSI_READ_FULL_TOC = 2, SCSI_READ_PMA = 3, SCSI_READ_ATIP = 4 }; struct scsi_readtoc_desc{ union { struct scsi_toc_desc { int adr; int control; int track; uint32_t lba; } toc; struct scsi_session_desc { int adr; int control; int first_in_last; uint32_t lba; } ses; struct scsi_fulltoc_desc { int session; int adr; int control; int tno; int point; int min; int sec; int frame; int zero; int pmin; int psec; int pframe; } full; } desc; }; struct scsi_readtoc_list { int num; int first; int last; struct scsi_readtoc_desc desc[0]; }; struct scsi_reportluns_params { int report_type; }; struct scsi_read6_params { uint32_t lba; uint32_t num_blocks; }; struct scsi_read10_params { uint32_t lba; uint32_t num_blocks; }; struct scsi_read12_params { uint32_t lba; uint32_t num_blocks; }; struct scsi_read16_params { uint64_t lba; uint32_t num_blocks; }; struct scsi_write10_params { uint32_t lba; uint32_t num_blocks; }; struct scsi_write12_params { uint32_t lba; uint32_t num_blocks; }; struct scsi_write16_params { uint64_t lba; uint32_t num_blocks; }; struct scsi_startstopunit_params { int immed; int pcm; int pc; int no_flush; int loej; int start; }; struct scsi_preventallow_params { int prevent; }; struct scsi_orwrite_params { uint64_t lba; uint32_t num_blocks; }; struct scsi_compareandwrite_params { uint64_t lba; uint32_t num_blocks; }; struct scsi_writeverify10_params { uint32_t lba; uint32_t num_blocks; }; struct scsi_writeverify12_params { uint32_t lba; uint32_t num_blocks; }; struct scsi_writeverify16_params { uint64_t lba; uint32_t num_blocks; }; struct scsi_verify10_params { uint32_t lba; uint32_t num_blocks; int vprotect; int dpo; int bytchk; }; struct scsi_verify12_params { uint32_t lba; uint32_t num_blocks; int vprotect; int dpo; int bytchk; }; struct scsi_verify16_params { uint64_t lba; uint32_t num_blocks; int vprotect; int dpo; int bytchk; }; struct scsi_readcapacity10_params { int lba; int pmi; }; struct scsi_inquiry_params { int evpd; int page_code; }; struct scsi_modesense6_params { int dbd; int pc; int page_code; int sub_page_code; }; struct scsi_serviceactionin_params { enum scsi_service_action_in sa; }; struct scsi_readtoc_params { int msf; int format; int track_session; }; struct scsi_report_supported_params { int return_timeouts; }; struct scsi_maintenancein_params { enum scsi_maintenance_in sa; union { struct scsi_report_supported_params reportsupported; } params; }; struct scsi_sense { unsigned char error_type; enum scsi_sense_key key; int ascq; }; struct scsi_data { int size; unsigned char *data; }; struct scsi_allocated_memory { struct scsi_allocated_memory *next; void *ptr; }; enum scsi_residual { SCSI_RESIDUAL_NO_RESIDUAL = 0, SCSI_RESIDUAL_UNDERFLOW, SCSI_RESIDUAL_OVERFLOW }; struct scsi_task { int status; int cdb_size; int xfer_dir; int expxferlen; unsigned char cdb[SCSI_CDB_MAX_SIZE]; union { struct scsi_read6_params read6; struct scsi_read10_params read10; struct scsi_read12_params read12; struct scsi_read16_params read16; struct scsi_write10_params write10; struct scsi_write12_params write12; struct scsi_write16_params write16; struct scsi_startstopunit_params startstopunit; struct scsi_preventallow_params preventallow; struct scsi_orwrite_params orwrite; struct scsi_compareandwrite_params compareandwrite; struct scsi_writeverify10_params writeverify10; struct scsi_writeverify12_params writeverify12; struct scsi_writeverify16_params writeverify16; struct scsi_verify10_params verify10; struct scsi_verify12_params verify12; struct scsi_verify16_params verify16; struct scsi_readcapacity10_params readcapacity10; struct scsi_reportluns_params reportluns; struct scsi_inquiry_params inquiry; struct scsi_modesense6_params modesense6; struct scsi_serviceactionin_params serviceactionin; struct scsi_readtoc_params readtoc; struct scsi_maintenancein_params maintenancein; } params; enum scsi_residual residual_status; int residual; struct scsi_sense sense; struct scsi_data datain; struct scsi_allocated_memory *mem; void *ptr; uint32_t itt; uint32_t cmdsn; uint32_t lun; struct scsi_data_buffer *in_buffers; }; /* This function will free a scsi task structure. You may NOT cancel a task until the callback has been invoked and the command has completed on the iscsi layer. */ EXTERN void scsi_free_scsi_task(struct scsi_task *task); EXTERN void scsi_set_task_private_ptr(struct scsi_task *task, void *ptr); EXTERN void *scsi_get_task_private_ptr(struct scsi_task *task); /* * TESTUNITREADY */ EXTERN struct scsi_task *scsi_cdb_testunitready(void); /* * REPORTLUNS */ #define SCSI_REPORTLUNS_REPORT_ALL_LUNS 0x00 #define SCSI_REPORTLUNS_REPORT_WELL_KNOWN_ONLY 0x01 #define SCSI_REPORTLUNS_REPORT_AVAILABLE_LUNS_ONLY 0x02 struct scsi_reportluns_list { uint32_t num; uint16_t luns[0]; }; EXTERN struct scsi_task *scsi_reportluns_cdb(int report_type, int alloc_len); /* * RESERVE6 */ EXTERN struct scsi_task *scsi_cdb_reserve6(void); /* * RELEASE6 */ EXTERN struct scsi_task *scsi_cdb_release6(void); /* * READCAPACITY10 */ struct scsi_readcapacity10 { uint32_t lba; uint32_t block_size; }; EXTERN struct scsi_task *scsi_cdb_readcapacity10(int lba, int pmi); /* * INQUIRY */ enum scsi_inquiry_peripheral_qualifier { SCSI_INQUIRY_PERIPHERAL_QUALIFIER_CONNECTED = 0x00, SCSI_INQUIRY_PERIPHERAL_QUALIFIER_DISCONNECTED = 0x01, SCSI_INQUIRY_PERIPHERAL_QUALIFIER_NOT_SUPPORTED = 0x03 }; const char *scsi_devqualifier_to_str( enum scsi_inquiry_peripheral_qualifier qualifier); enum scsi_inquiry_peripheral_device_type { SCSI_INQUIRY_PERIPHERAL_DEVICE_TYPE_DIRECT_ACCESS = 0x00, SCSI_INQUIRY_PERIPHERAL_DEVICE_TYPE_SEQUENTIAL_ACCESS = 0x01, SCSI_INQUIRY_PERIPHERAL_DEVICE_TYPE_PRINTER = 0x02, SCSI_INQUIRY_PERIPHERAL_DEVICE_TYPE_PROCESSOR = 0x03, SCSI_INQUIRY_PERIPHERAL_DEVICE_TYPE_WRITE_ONCE = 0x04, SCSI_INQUIRY_PERIPHERAL_DEVICE_TYPE_MMC = 0x05, SCSI_INQUIRY_PERIPHERAL_DEVICE_TYPE_SCANNER = 0x06, SCSI_INQUIRY_PERIPHERAL_DEVICE_TYPE_OPTICAL_MEMORY = 0x07, SCSI_INQUIRY_PERIPHERAL_DEVICE_TYPE_MEDIA_CHANGER = 0x08, SCSI_INQUIRY_PERIPHERAL_DEVICE_TYPE_COMMUNICATIONS = 0x09, SCSI_INQUIRY_PERIPHERAL_DEVICE_TYPE_STORAGE_ARRAY_CONTROLLER = 0x0c, SCSI_INQUIRY_PERIPHERAL_DEVICE_TYPE_ENCLOSURE_SERVICES = 0x0d, SCSI_INQUIRY_PERIPHERAL_DEVICE_TYPE_SIMPLIFIED_DIRECT_ACCESS = 0x0e, SCSI_INQUIRY_PERIPHERAL_DEVICE_TYPE_OPTICAL_CARD_READER = 0x0f, SCSI_INQUIRY_PERIPHERAL_DEVICE_TYPE_BRIDGE_CONTROLLER = 0x10, SCSI_INQUIRY_PERIPHERAL_DEVICE_TYPE_OSD = 0x11, SCSI_INQUIRY_PERIPHERAL_DEVICE_TYPE_AUTOMATION = 0x12, SCSI_INQUIRY_PERIPHERAL_DEVICE_TYPE_SEQURITY_MANAGER = 0x13, SCSI_INQUIRY_PERIPHERAL_DEVICE_TYPE_WELL_KNOWN_LUN = 0x1e, SCSI_INQUIRY_PERIPHERAL_DEVICE_TYPE_UNKNOWN = 0x1f }; EXTERN const char *scsi_devtype_to_str(enum scsi_inquiry_peripheral_device_type type); enum scsi_version { SCSI_VERSION_SPC = 0x03, SCSI_VERSION_SPC2 = 0x04, SCSI_VERSION_SPC3 = 0x05 }; EXTERN const char *scsi_version_to_str(enum scsi_version version); enum scsi_inquiry_tpgs { SCSI_INQUIRY_TPGS_NO_SUPPORT = 0x00, SCSI_INQUIRY_TPGS_IMPLICIT = 0x01, SCSI_INQUIRY_TPGS_EXPLICIT = 0x02, SCSI_INQUIRY_TPGS_IMPLICIT_AND_EXPLICIT = 0x03 }; /* fix typos, leave old names for backward compatibility */ #define periperal_qualifier qualifier #define periperal_device_type device_type struct scsi_inquiry_standard { enum scsi_inquiry_peripheral_qualifier qualifier; enum scsi_inquiry_peripheral_device_type device_type; int rmb; int version; int normaca; int hisup; int response_data_format; int additional_length; int sccs; int acc; int tpgs; int threepc; int protect; int encserv; int multip; int addr16; int wbus16; int sync; int cmdque; int clocking; int qas; int ius; char vendor_identification[8+1]; char product_identification[16+1]; char product_revision_level[4+1]; }; enum scsi_inquiry_pagecode { SCSI_INQUIRY_PAGECODE_SUPPORTED_VPD_PAGES = 0x00, SCSI_INQUIRY_PAGECODE_UNIT_SERIAL_NUMBER = 0x80, SCSI_INQUIRY_PAGECODE_DEVICE_IDENTIFICATION = 0x83, SCSI_INQUIRY_PAGECODE_BLOCK_LIMITS = 0xB0, SCSI_INQUIRY_PAGECODE_BLOCK_DEVICE_CHARACTERISTICS = 0xB1, SCSI_INQUIRY_PAGECODE_LOGICAL_BLOCK_PROVISIONING = 0xB2 }; EXTERN const char *scsi_inquiry_pagecode_to_str(int pagecode); struct scsi_inquiry_supported_pages { enum scsi_inquiry_peripheral_qualifier qualifier; enum scsi_inquiry_peripheral_device_type device_type; enum scsi_inquiry_pagecode pagecode; int num_pages; unsigned char *pages; }; struct scsi_inquiry_block_limits { enum scsi_inquiry_peripheral_qualifier qualifier; enum scsi_inquiry_peripheral_device_type device_type; enum scsi_inquiry_pagecode pagecode; int wsnz; /* write same no zero */ uint8_t max_cmp; /* maximum_compare_and_write_length */ uint16_t opt_gran; /* optimal_transfer_length_granularity */ uint32_t max_xfer_len; /* maximum_transfer_length */ uint32_t opt_xfer_len; /* optimal_transfer_length */ uint32_t max_prefetch; /* maximum_prefetched_xdread_xdwrite_transfer_length */ uint32_t max_unmap; /* maximum_unmap_lba_count */ uint32_t max_unmap_bdc; /* maximum_unmap_block_descriptor_count */ uint32_t opt_unmap_gran; /* optimal_unmap_granularity */ int ugavalid; uint32_t unmap_gran_align; /* unmap_granularity_alignment */ uint64_t max_ws_len; /* maximum_write_same_length */ }; struct scsi_inquiry_block_device_characteristics { enum scsi_inquiry_peripheral_qualifier qualifier; enum scsi_inquiry_peripheral_device_type device_type; enum scsi_inquiry_pagecode pagecode; int medium_rotation_rate; }; enum scsi_inquiry_provisioning_type { PROVISIONING_TYPE_NONE = 0, PROVISIONING_TYPE_RESOURCE = 1, PROVISIONING_TYPE_THIN = 2 }; struct scsi_inquiry_logical_block_provisioning { enum scsi_inquiry_peripheral_qualifier qualifier; enum scsi_inquiry_peripheral_device_type device_type; enum scsi_inquiry_pagecode pagecode; int threshold_exponent; int lbpu; int lbpws; int lbpws10; int lbprz; int anc_sup; int dp; enum scsi_inquiry_provisioning_type provisioning_type; }; EXTERN struct scsi_task *scsi_cdb_inquiry(int evpd, int page_code, int alloc_len); struct scsi_inquiry_unit_serial_number { enum scsi_inquiry_peripheral_qualifier qualifier; enum scsi_inquiry_peripheral_device_type device_type; enum scsi_inquiry_pagecode pagecode; char *usn; }; enum scsi_protocol_identifier { SCSI_PROTOCOL_IDENTIFIER_FIBRE_CHANNEL = 0x00, SCSI_PROTOCOL_IDENTIFIER_PARALLEL_SCSI = 0x01, SCSI_PROTOCOL_IDENTIFIER_SSA = 0x02, SCSI_PROTOCOL_IDENTIFIER_IEEE_1394 = 0x03, SCSI_PROTOCOL_IDENTIFIER_RDMA = 0x04, SCSI_PROTOCOL_IDENTIFIER_ISCSI = 0x05, SCSI_PROTOCOL_IDENTIFIER_SAS = 0x06, SCSI_PROTOCOL_IDENTIFIER_ADT = 0x07, SCSI_PROTOCOL_IDENTIFIER_ATA = 0x08 }; EXTERN const char *scsi_protocol_identifier_to_str(int identifier); enum scsi_codeset { SCSI_CODESET_BINARY = 0x01, SCSI_CODESET_ASCII = 0x02, SCSI_CODESET_UTF8 = 0x03 }; EXTERN const char *scsi_codeset_to_str(int codeset); enum scsi_association { SCSI_ASSOCIATION_LOGICAL_UNIT = 0x00, SCSI_ASSOCIATION_TARGET_PORT = 0x01, SCSI_ASSOCIATION_TARGET_DEVICE = 0x02 }; EXTERN const char *scsi_association_to_str(int association); enum scsi_designator_type { SCSI_DESIGNATOR_TYPE_VENDOR_SPECIFIC = 0x00, SCSI_DESIGNATOR_TYPE_T10_VENDORT_ID = 0x01, SCSI_DESIGNATOR_TYPE_EUI_64 = 0x02, SCSI_DESIGNATOR_TYPE_NAA = 0x03, SCSI_DESIGNATOR_TYPE_RELATIVE_TARGET_PORT = 0x04, SCSI_DESIGNATOR_TYPE_TARGET_PORT_GROUP = 0x05, SCSI_DESIGNATOR_TYPE_LOGICAL_UNIT_GROUP = 0x06, SCSI_DESIGNATOR_TYPE_MD5_LOGICAL_UNIT_IDENTIFIER = 0x07, SCSI_DESIGNATOR_TYPE_SCSI_NAME_STRING = 0x08 }; EXTERN const char *scsi_designator_type_to_str(int association); struct scsi_inquiry_device_designator { struct scsi_inquiry_device_designator *next; enum scsi_protocol_identifier protocol_identifier; enum scsi_codeset code_set; int piv; enum scsi_association association; enum scsi_designator_type designator_type; int designator_length; char *designator; }; struct scsi_inquiry_device_identification { enum scsi_inquiry_peripheral_qualifier qualifier; enum scsi_inquiry_peripheral_device_type device_type; enum scsi_inquiry_pagecode pagecode; struct scsi_inquiry_device_designator *designators; }; /* * MODESENSE6 */ enum scsi_modesense_page_control { SCSI_MODESENSE_PC_CURRENT = 0x00, SCSI_MODESENSE_PC_CHANGEABLE = 0x01, SCSI_MODESENSE_PC_DEFAULT = 0x02, SCSI_MODESENSE_PC_SAVED = 0x03 }; struct scsi_mode_page_caching { int ic; int abpf; int cap; int disc; int size; int wce; int mf; int rcd; int demand_read_retention_priority; int write_retention_priority; int disable_prefetch_transfer_length; int minimum_prefetch; int maximum_prefetch; int maximum_prefetch_ceiling; int fsw; int lbcss; int dra; int nv_dis; int number_of_cache_segments; int cache_segment_size; }; struct scsi_mode_page_disconnect_reconnect { int buffer_full_ratio; int buffer_empty_ratio; int bus_inactivity_limit; int disconnect_time_limit; int connect_time_limit; int maximum_burst_size; int emdp; int fair_arbitration; int dimm; int dtdc; int first_burst_size; }; struct scsi_mode_page_informational_exceptions_control { int perf; int ebf; int ewasc; int dexcpt; int test; int ebackerr; int logerr; int mrie; int interval_timer; int report_count; }; enum scsi_modesense_page_code { SCSI_MODESENSE_PAGECODE_READ_WRITE_ERROR_RECOVERY = 0x01, SCSI_MODESENSE_PAGECODE_DISCONNECT_RECONNECT = 0x02, SCSI_MODESENSE_PAGECODE_VERIFY_ERROR_RECOVERY = 0x07, SCSI_MODESENSE_PAGECODE_CACHING = 0x08, SCSI_MODESENSE_PAGECODE_XOR_CONTROL = 0x10, SCSI_MODESENSE_PAGECODE_INFORMATIONAL_EXCEPTIONS_CONTROL = 0x1c, SCSI_MODESENSE_PAGECODE_RETURN_ALL_PAGES = 0x3f }; struct scsi_mode_page { struct scsi_mode_page *next; int ps; int spf; enum scsi_modesense_page_code page_code; int subpage_code; int len; union { struct scsi_mode_page_caching caching; struct scsi_mode_page_disconnect_reconnect disconnect_reconnect; struct scsi_mode_page_informational_exceptions_control iec; }; }; struct scsi_mode_sense { uint8_t mode_data_length; uint8_t medium_type; uint8_t device_specific_parameter; uint8_t block_descriptor_length; struct scsi_mode_page *pages; }; EXTERN struct scsi_task *scsi_cdb_modesense6(int dbd, enum scsi_modesense_page_control pc, enum scsi_modesense_page_code page_code, int sub_page_code, unsigned char alloc_len); struct scsi_readcapacity16 { uint64_t returned_lba; uint32_t block_length; uint8_t p_type; uint8_t prot_en; uint8_t p_i_exp; uint8_t lbppbe; uint8_t lbpme; uint8_t lbprz; uint16_t lalba; }; enum scsi_provisioning_type { SCSI_PROVISIONING_TYPE_MAPPED = 0x00, SCSI_PROVISIONING_TYPE_DEALLOCATED = 0x01, SCSI_PROVISIONING_TYPE_ANCHORED = 0x02 }; struct scsi_lba_status_descriptor { uint64_t lba; uint32_t num_blocks; enum scsi_provisioning_type provisioning; }; struct scsi_get_lba_status { uint32_t num_descriptors; struct scsi_lba_status_descriptor *descriptors; }; struct scsi_op_timeout_descriptor { uint16_t descriptor_length; uint8_t reserved; uint8_t command_specific; uint32_t nominal_processing_timeout; uint32_t recommended_timeout; }; struct scsi_command_descriptor { uint8_t op_code; uint8_t reserved1; uint16_t service_action; uint8_t reserved2; uint8_t reserved3; uint16_t cdb_length; struct scsi_op_timeout_descriptor to[0]; }; struct scsi_report_supported_op_codes { uint32_t num_descriptors; struct scsi_command_descriptor descriptors[0]; }; EXTERN int scsi_datain_getfullsize(struct scsi_task *task); EXTERN void *scsi_datain_unmarshall(struct scsi_task *task); EXTERN struct scsi_task *scsi_cdb_read6(uint32_t lba, uint32_t xferlen, int blocksize); EXTERN struct scsi_task *scsi_cdb_read10(uint32_t lba, uint32_t xferlen, int blocksize, int rdprotect, int dpo, int fua, int fua_nv, int group_number); EXTERN struct scsi_task *scsi_cdb_read12(uint32_t lba, uint32_t xferlen, int blocksize, int rdprotect, int dpo, int fua, int fua_nv, int group_number); EXTERN struct scsi_task *scsi_cdb_read16(uint64_t lba, uint32_t xferlen, int blocksize, int rdprotect, int dpo, int fua, int fua_nv, int group_number); EXTERN struct scsi_task *scsi_cdb_write10(uint32_t lba, uint32_t xferlen, int blocksize, int wrprotect, int dpo, int fua, int fua_nv, int group_number); EXTERN struct scsi_task *scsi_cdb_write12(uint32_t lba, uint32_t xferlen, int blocksize, int wrprotect, int dpo, int fua, int fua_nv, int group_number); EXTERN struct scsi_task *scsi_cdb_write16(uint64_t lba, uint32_t xferlen, int blocksize, int wrprotect, int dpo, int fua, int fua_nv, int group_number); EXTERN struct scsi_task *scsi_cdb_startstopunit(int immed, int pcm, int pc, int no_flush, int loej, int start); EXTERN struct scsi_task *scsi_cdb_preventallow(int prevent); EXTERN struct scsi_task *scsi_cdb_orwrite(uint64_t lba, uint32_t xferlen, int blocksize, int wrprotect, int dpo, int fua, int fua_nv, int group_number); EXTERN struct scsi_task *scsi_cdb_compareandwrite(uint64_t lba, uint32_t xferlen, int blocksize, int wrprotect, int dpo, int fua, int fua_nv, int group_number); EXTERN struct scsi_task *scsi_cdb_writeverify10(uint32_t lba, uint32_t xferlen, int blocksize, int wrprotect, int dpo, int bytchk, int group_number); EXTERN struct scsi_task *scsi_cdb_writeverify12(uint32_t lba, uint32_t xferlen, int blocksize, int wrprotect, int dpo, int bytchk, int group_number); EXTERN struct scsi_task *scsi_cdb_writeverify16(uint64_t lba, uint32_t xferlen, int blocksize, int wrprotect, int dpo, int bytchk, int group_number); EXTERN struct scsi_task *scsi_cdb_verify10(uint32_t lba, uint32_t xferlen, int vprotect, int dpo, int bytchk, int blocksize); EXTERN struct scsi_task *scsi_cdb_verify12(uint32_t lba, uint32_t xferlen, int vprotect, int dpo, int bytchk, int blocksize); EXTERN struct scsi_task *scsi_cdb_verify16(uint64_t lba, uint32_t xferlen, int vprotect, int dpo, int bytchk, int blocksize); EXTERN struct scsi_task *scsi_cdb_synchronizecache10(int lba, int num_blocks, int syncnv, int immed); EXTERN struct scsi_task *scsi_cdb_synchronizecache16(uint64_t lba, uint32_t num_blocks, int syncnv, int immed); EXTERN struct scsi_task *scsi_cdb_serviceactionin16(enum scsi_service_action_in sa, uint32_t xferlen); EXTERN struct scsi_task *scsi_cdb_readcapacity16(void); EXTERN struct scsi_task *scsi_cdb_get_lba_status(uint64_t starting_lba, uint32_t alloc_len); EXTERN struct scsi_task *scsi_cdb_unmap(int anchor, int group, uint16_t xferlen); EXTERN struct scsi_task *scsi_cdb_writesame10(int wrprotect, int anchor, int unmap, int pbdata, int lbdata, uint32_t lba, int group, uint16_t num_blocks); EXTERN struct scsi_task *scsi_cdb_writesame16(int wrprotect, int anchor, int unmap, int pbdata, int lbdata, uint64_t lba, int group, uint32_t num_blocks); EXTERN struct scsi_task *scsi_cdb_prefetch10(uint32_t lba, int num_blocks, int immed, int group); EXTERN struct scsi_task *scsi_cdb_prefetch16(uint64_t lba, int num_blocks, int immed, int group); EXTERN struct scsi_task *scsi_cdb_report_supported_opcodes(int report_timeouts, uint32_t alloc_len); void *scsi_malloc(struct scsi_task *task, size_t size); #ifdef __cplusplus } #endif #endif /* __scsi_lowlevel_h__ */