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libiscsi/include/scsi-lowlevel.h
Anatoliy Glagolev 19d05ab7a7 RTPG support 
Implementing support of the Report Target Port Groups command.

Tested on Ubuntu against Pure Storage Flash Array
using designated unit tests and new iscsi-rtpg utility

./iscsi-rtpg  -i iqn.2005-03.org.open-iscsi:6feb2db21ea iscsi://192.168.1.12/iqn.2010-06.com.purestorage:flasharray.4e8d52d82e4b2c0f/1
RTPG retrieved 2 groups
Group 0x0000: preferred 0, format 0x00, ALUA state ACTIVE-OPTIMIZED,flags 0x8f, status code 0x02, port count 65
Ports: [ 0x1 0x2 0x3 0x4 0x5 0x6 0x7 0x8 0x9 0xa 0xb 0xc 0xd 0xe 0xf 0x10 0x41 0x42 0x43 0x44 0x45 0x46 0x47 0x48 0x49 0x4a 0x4b 0x4c
0x4d 0x4e 0x4f 0x50 0x51 0x52 0x53 0x54 0x55 0x56 0x57 0x58 0x59 0x5a 0x5b 0x5c 0x5d 0x5e 0x5f 0x60 0x61 0x62 0x63 0x64 0x65 0x66 0x67
0x68 0x69 0x6a 0x6b 0x6c 0x6d 0x6e 0x6f 0x70 0x71]
Group 0x0001: preferred 0, format 0x00, ALUA state ACTIVE-OPTIMIZED,flags 0x8f, status code 0x02, port count 65
Ports: [ 0x11 0x12 0x13 0x14 0x15 0x16 0x17 0x18 0x19 0x1a 0x1b 0x1c 0x1d 0x1e 0x1f 0x20 0x72 0x73 0x74 0x75 0x76 0x77 0x78 0x79 0x7a
0x7b 0x7c 0x7d 0x7e 0x7f 0x80 0x81 0x82 0x83 0x84 0x85 0x86 0x87 0x88 0x89 0x8a 0x8b 0x8c 0x8d 0x8e 0x8f 0x90 0x91 0x92 0x93 0x94 0x95
0x96 0x97 0x98 0x99 0x9a 0x9b 0x9c 0x9d 0x9e 0x9f 0xa0 0xa1 0xa2]
2025-07-03 17:20:52 -06:00

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/*
Copyright (C) 2010 by Ronnie Sahlberg <ronniesahlberg@gmail.com>
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 <http://www.gnu.org/licenses/>.
*/
#ifndef __scsi_lowlevel_h__
#define __scsi_lowlevel_h__
#if defined(_WIN32)
#define EXTERN __declspec( dllexport )
#else
#define EXTERN
#endif
#include <assert.h>
#include <stdint.h>
#include <sys/types.h>
#ifdef __cplusplus
extern "C" {
#endif
#ifndef static_assert
#define static_assert(e, m) extern char unused_array[1 - 2 * !(e)]
#endif
#define SCSI_CDB_MAX_SIZE 16
enum scsi_opcode {
SCSI_OPCODE_TESTUNITREADY = 0x00,
SCSI_OPCODE_READ6 = 0x08,
SCSI_OPCODE_INQUIRY = 0x12,
SCSI_OPCODE_MODESELECT6 = 0x15,
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_READ_DEFECT_DATA10 = 0x37,
SCSI_OPCODE_WRITE_SAME10 = 0x41,
SCSI_OPCODE_UNMAP = 0x42,
SCSI_OPCODE_READTOC = 0x43,
SCSI_OPCODE_SANITIZE = 0x48,
SCSI_OPCODE_MODESELECT10 = 0x55,
SCSI_OPCODE_MODESENSE10 = 0x5A,
SCSI_OPCODE_PERSISTENT_RESERVE_IN = 0x5E,
SCSI_OPCODE_PERSISTENT_RESERVE_OUT = 0x5F,
SCSI_OPCODE_EXTENDED_COPY = 0x83,
SCSI_OPCODE_RECEIVE_COPY_RESULTS = 0x84,
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_WRITE_ATOMIC16 = 0x9C,
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,
SCSI_OPCODE_READ_DEFECT_DATA12 = 0xB7
};
enum scsi_persistent_in_sa {
SCSI_PERSISTENT_RESERVE_READ_KEYS = 0,
SCSI_PERSISTENT_RESERVE_READ_RESERVATION = 1,
SCSI_PERSISTENT_RESERVE_REPORT_CAPABILITIES = 2,
SCSI_PERSISTENT_RESERVE_READ_FULL_STATUS = 3
};
enum scsi_service_action_in {
SCSI_READCAPACITY16 = 0x10,
SCSI_GET_LBA_STATUS = 0x12
};
enum scsi_persistent_out_sa {
SCSI_PERSISTENT_RESERVE_REGISTER = 0,
SCSI_PERSISTENT_RESERVE_RESERVE = 1,
SCSI_PERSISTENT_RESERVE_RELEASE = 2,
SCSI_PERSISTENT_RESERVE_CLEAR = 3,
SCSI_PERSISTENT_RESERVE_PREEMPT = 4,
SCSI_PERSISTENT_RESERVE_PREEMPT_AND_ABORT = 5,
SCSI_PERSISTENT_RESERVE_REGISTER_AND_IGNORE_EXISTING_KEY = 6,
SCSI_PERSISTENT_RESERVE_REGISTER_AND_MOVE = 7
};
enum scsi_persistent_out_scope {
SCSI_PERSISTENT_RESERVE_SCOPE_LU = 0
};
enum scsi_persistent_out_type {
SCSI_PERSISTENT_RESERVE_TYPE_WRITE_EXCLUSIVE = 1,
SCSI_PERSISTENT_RESERVE_TYPE_EXCLUSIVE_ACCESS = 3,
SCSI_PERSISTENT_RESERVE_TYPE_WRITE_EXCLUSIVE_REGISTRANTS_ONLY = 5,
SCSI_PERSISTENT_RESERVE_TYPE_EXCLUSIVE_ACCESS_REGISTRANTS_ONLY = 6,
SCSI_PERSISTENT_RESERVE_TYPE_WRITE_EXCLUSIVE_ALL_REGISTRANTS = 7,
SCSI_PERSISTENT_RESERVE_TYPE_EXCLUSIVE_ACCESS_ALL_REGISTRANTS = 8
};
struct scsi_persistent_reserve_out_basic {
uint64_t reservation_key;
uint64_t service_action_reservation_key;
uint8_t spec_i_pt;
uint8_t all_tg_pt;
uint8_t aptpl;
};
enum scsi_maintenance_in {
SCSI_REPORT_TARGET_PORT_GROUPS = 0x0a,
SCSI_REPORT_SUPPORTED_OP_CODES = 0x0c
};
enum scsi_alue_state {
SCSI_ALUA_ACTIVE_OPTIMIZED = 0x0,
SCSI_ALUA_ACTIVE_NONOPTIMIZED = 0x1,
SCSI_ALUA_STANDBY = 0x2,
SCSI_ALUA_UNAVAILABLE = 0x3,
SCSI_ALUA_LOGICAL_BLOCK_DEPENDENT = 0x4,
SCSI_ALUA_OFFLINE = 0xe,
SCSI_ALUA_TRANSITIONING = 0xf
};
const char *scsi_alua_state_to_str(uint8_t state);
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_NO_ADDL_SENSE 0x0000
#define SCSI_SENSE_ASCQ_SANITIZE_IN_PROGRESS 0x041b
#define SCSI_SENSE_ASCQ_UNREACHABLE_COPY_TARGET 0x0804
#define SCSI_SENSE_ASCQ_COPY_TARGET_DEVICE_NOT_REACHABLE 0x0d02
#define SCSI_SENSE_ASCQ_WRITE_AFTER_SANITIZE_REQUIRED 0x1115
#define SCSI_SENSE_ASCQ_PARAMETER_LIST_LENGTH_ERROR 0x1a00
#define SCSI_SENSE_ASCQ_MISCOMPARE_DURING_VERIFY 0x1d00
#define SCSI_SENSE_ASCQ_MISCOMPARE_VERIFY_OF_UNMAPPED_LBA 0x1d01
#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_INVALID_FIELD_IN_PARAMETER_LIST 0x2600
#define SCSI_SENSE_ASCQ_TOO_MANY_TARGET_DESCRIPTORS 0x2606
#define SCSI_SENSE_ASCQ_UNSUPPORTED_TARGET_DESCRIPTOR_TYPE_CODE 0x2607
#define SCSI_SENSE_ASCQ_TOO_MANY_SEGMENT_DESCRIPTORS 0x2608
#define SCSI_SENSE_ASCQ_UNSUPPORTED_SEGMENT_DESCRIPTOR_TYPE_CODE 0x2609
#define SCSI_SENSE_ASCQ_WRITE_PROTECTED 0x2700
#define SCSI_SENSE_ASCQ_HARDWARE_WRITE_PROTECTED 0x2701
#define SCSI_SENSE_ASCQ_SOFTWARE_WRITE_PROTECTED 0x2702
#define SCSI_SENSE_ASCQ_BUS_RESET 0x2900
#define SCSI_SENSE_ASCQ_POWER_ON_OCCURED 0x2901
#define SCSI_SENSE_ASCQ_SCSI_BUS_RESET_OCCURED 0x2902
#define SCSI_SENSE_ASCQ_BUS_DEVICE_RESET_FUNCTION_OCCURED 0x2903
#define SCSI_SENSE_ASCQ_DEVICE_INTERNAL_RESET 0x2904
#define SCSI_SENSE_ASCQ_TRANSCEIVER_MODE_CHANGED_TO_SINGLE_ENDED 0x2905
#define SCSI_SENSE_ASCQ_TRANSCEIVER_MODE_CHANGED_TO_LVD 0x2906
#define SCSI_SENSE_ASCQ_NEXUS_LOSS 0x2907
#define SCSI_SENSE_ASCQ_MODE_PARAMETERS_CHANGED 0x2a01
#define SCSI_SENSE_ASCQ_CAPACITY_DATA_HAS_CHANGED 0x2a09
#define SCSI_SENSE_ASCQ_THIN_PROVISION_SOFT_THRES_REACHED 0x3807
#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_INQUIRY_DATA_HAS_CHANGED 0x3f03
#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
#define SCSI_SENSE_ASCQ_INVALID_FIELD_IN_INFORMATION_UNIT 0x0e03
EXTERN const char *scsi_sense_ascq_str(int ascq);
EXTERN const char *scsi_pr_type_str(enum scsi_persistent_out_type pr_type);
EXTERN const char *scsi_opcode_str(int opcode);
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_report_supported_params {
int return_timeouts;
};
#define SCSI_SENSE_FIXED_CURRENT 0x70
#define SCSI_SENSE_FIXED_DEFERRED_ERRORS 0x71
#define SCSI_SENSE_DESCRIPTOR_CURRENT 0x72
#define SCSI_SENSE_DESCRIPTOR_DEFERRED_ERRORS 0x73
struct scsi_sense {
unsigned char error_type;
enum scsi_sense_key key;
int ascq;
/*
* Sense specific descriptor. See also paragraph "Sense key specific
* sense data descriptor" in SPC.
*/
unsigned sense_specific:1;
unsigned ill_param_in_cdb:1;
unsigned bit_pointer_valid:1;
unsigned info_valid:1;
unsigned char bit_pointer;
uint16_t field_pointer;
uint64_t information;
};
struct scsi_data {
int size;
unsigned char *data;
};
enum scsi_residual {
SCSI_RESIDUAL_NO_RESIDUAL = 0,
SCSI_RESIDUAL_UNDERFLOW,
SCSI_RESIDUAL_OVERFLOW
};
/* struct scsi_iovec follows the POSIX struct iovec
definition and *MUST* never change. */
struct scsi_iovec {
void *iov_base;
size_t iov_len;
};
struct scsi_iovector {
struct scsi_iovec *iov;
int niov;
int nalloc;
size_t offset;
int consumed;
};
struct scsi_task {
int status;
int cdb_size;
int xfer_dir;
int expxferlen;
unsigned char cdb[SCSI_CDB_MAX_SIZE];
enum scsi_residual residual_status;
size_t 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_iovector iovector_in;
struct scsi_iovector iovector_out;
};
/* Create a task using a pre-built CDB which can later be passed to
iscsi_scsi_command_[a]sync()
*/
EXTERN struct scsi_task *scsi_create_task(int cdb_size, unsigned char *cdb,
int xfer_dir, int expxferlen);
/* 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 transport 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);
/*
* SANITIZE
*/
#define SCSI_SANITIZE_OVERWRITE 0x01
#define SCSI_SANITIZE_BLOCK_ERASE 0x02
#define SCSI_SANITIZE_CRYPTO_ERASE 0x03
#define SCSI_SANITIZE_EXIT_FAILURE_MODE 0x1f
EXTERN struct scsi_task *scsi_cdb_sanitize(int immed, int ause, int sa,
int param_len);
/*
* 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_version_descriptor {
SCSI_VERSION_DESCRIPTOR_ISCSI = 0x0960,
SCSI_VERSION_DESCRIPTOR_SBC = 0x0180,
SCSI_VERSION_DESCRIPTOR_SBC_ANSI_INCITS_306_1998 = 0x019C,
SCSI_VERSION_DESCRIPTOR_SBC_T10_0996_D_R08C = 0x019B,
SCSI_VERSION_DESCRIPTOR_SBC_2 = 0x0320,
SCSI_VERSION_DESCRIPTOR_SBC_2_ISO_IEC_14776_322 = 0x033E,
SCSI_VERSION_DESCRIPTOR_SBC_2_ANSI_INCITS_405_2005 = 0x033D,
SCSI_VERSION_DESCRIPTOR_SBC_2_T10_1417_D_R16 = 0x033B,
SCSI_VERSION_DESCRIPTOR_SBC_2_T10_1417_D_R5A = 0x0322,
SCSI_VERSION_DESCRIPTOR_SBC_2_T10_1417_D_R15 = 0x0324,
SCSI_VERSION_DESCRIPTOR_SBC_3 = 0x04C0,
SCSI_VERSION_DESCRIPTOR_SPC = 0x0120,
SCSI_VERSION_DESCRIPTOR_SPC_ANSI_INCITS_301_1997 = 0x013C,
SCSI_VERSION_DESCRIPTOR_SPC_T10_0995_D_R11A = 0x013B,
SCSI_VERSION_DESCRIPTOR_SPC_2 = 0x0260,
SCSI_VERSION_DESCRIPTOR_SPC_2_ISO_IEC_14776_452 = 0x0278,
SCSI_VERSION_DESCRIPTOR_SPC_2_ANSI_INCITS_351_2001 = 0x0277,
SCSI_VERSION_DESCRIPTOR_SPC_2_T10_1236_D_R20 = 0x0276,
SCSI_VERSION_DESCRIPTOR_SPC_2_T10_1236_D_R12 = 0x0267,
SCSI_VERSION_DESCRIPTOR_SPC_2_T10_1236_D_R18 = 0x0269,
SCSI_VERSION_DESCRIPTOR_SPC_2_T10_1236_D_R19 = 0x0275,
SCSI_VERSION_DESCRIPTOR_SPC_3 = 0x0300,
SCSI_VERSION_DESCRIPTOR_SPC_3_ISO_IEC_14776_453 = 0x0316,
SCSI_VERSION_DESCRIPTOR_SPC_3_ANSI_INCITS_408_2005 = 0x0314,
SCSI_VERSION_DESCRIPTOR_SPC_3_T10_1416_D_R7 = 0x0301,
SCSI_VERSION_DESCRIPTOR_SPC_3_T10_1416_D_R21 = 0x0307,
SCSI_VERSION_DESCRIPTOR_SPC_3_T10_1416_D_R22 = 0x030F,
SCSI_VERSION_DESCRIPTOR_SPC_3_T10_1416_D_R23 = 0x0312,
SCSI_VERSION_DESCRIPTOR_SPC_4 = 0x0460,
SCSI_VERSION_DESCRIPTOR_SPC_4_T10_1731_D_R16 = 0x0461,
SCSI_VERSION_DESCRIPTOR_SPC_4_T10_1731_D_R18 = 0x0462,
SCSI_VERSION_DESCRIPTOR_SPC_4_T10_1731_D_R23 = 0x0463,
SCSI_VERSION_DESCRIPTOR_SSC = 0x0200,
SCSI_VERSION_DESCRIPTOR_UAS_T10_2095D_R04 = 0x1747
};
EXTERN const char *scsi_version_descriptor_to_str(enum scsi_version_descriptor version_descriptor);
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];
uint16_t version_descriptor[8];
};
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_THIRD_PARTY_COPY = 0x8F,
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 */
/* SBC-4 */
uint32_t max_atomic_xfer_len;
uint32_t atomic_align;
uint32_t atomic_gran;
uint32_t max_atomic_tl_with_atomic_boundary;
uint32_t max_atomic_boundary_size;
};
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;
int product_type;
int wabereq;
int wacereq;
int nominal_form_factor;
int fuab;
int vbuls;
};
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;
};
enum third_party_copy_descriptor_type {
THIRD_PARTY_COPY_TYPE_SUPPORTED_COMMANDS = 0x0001
};
struct third_party_copy_command_support {
struct third_party_copy_command_support *next;
int operation_code;
int service_action_length;
int *service_action;
};
struct third_party_copy_supported_commands {
enum third_party_copy_descriptor_type descriptor_type;
struct third_party_copy_command_support *commands_supported;
};
struct scsi_inquiry_third_party_copy {
enum scsi_inquiry_peripheral_qualifier qualifier;
enum scsi_inquiry_peripheral_device_type device_type;
enum scsi_inquiry_pagecode pagecode;
struct third_party_copy_supported_commands *supported_commands;
};
/*
* MODESENSE
*/
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_power_condition {
int pm_bg_precedence;
int standby_y;
int idle_c;
int idle_b;
int idle_a;
int standby_z;
uint32_t idle_a_condition_timer;
uint32_t standby_z_condition_timer;
uint32_t idle_b_condition_timer;
uint32_t idle_c_condition_timer;
uint32_t standby_y_condition_timer;
int ccf_idle;
int ccf_standby;
int ccf_stopped;
};
struct scsi_mode_page_control {
int tst;
int tmf_only;
int dpicz;
int d_sense;
int gltsd;
int rlec;
int queue_algorithm_modifier;
int nuar;
int qerr;
int vs;
int rac;
int ua_intlck_ctrl;
int swp;
int ato;
int tas;
int atmpe;
int rwwp;
int autoload_mode;
int busy_timeout_period;
int extended_selftest_completion_time;
};
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_MODEPAGE_READ_WRITE_ERROR_RECOVERY = 0x01,
SCSI_MODEPAGE_DISCONNECT_RECONNECT = 0x02,
SCSI_MODEPAGE_VERIFY_ERROR_RECOVERY = 0x07,
SCSI_MODEPAGE_CACHING = 0x08,
SCSI_MODEPAGE_XOR_CONTROL = 0x10,
SCSI_MODEPAGE_CONTROL = 0x0a,
SCSI_MODEPAGE_POWER_CONDITION = 0x1a,
SCSI_MODEPAGE_INFORMATIONAL_EXCEPTIONS_CONTROL = 0x1c,
SCSI_MODEPAGE_RETURN_ALL_PAGES = 0x3f
};
/* Do not use in new code.
* Backward compatibility macros
*/
#define SCSI_MODESENSE_PAGECODE_READ_WRITE_ERROR_RECOVERY SCSI_MODEPAGE_READ_WRITE_ERROR_RECOVERY
#define SCSI_MODESENSE_PAGECODE_DISCONNECT_RECONNECT SCSI_MODEPAGE_DISCONNECT_RECONNECT
#define SCSI_MODESENSE_PAGECODE_VERIFY_ERROR_RECOVERY SCSI_MODEPAGE_VERIFY_ERROR_RECOVERY
#define SCSI_MODESENSE_PAGECODE_CACHING SCSI_MODEPAGE_CACHING
#define SCSI_MODESENSE_PAGECODE_XOR_CONTROL SCSI_MODEPAGE_XOR_CONTROL
#define SCSI_MODESENSE_PAGECODE_CONTROL SCSI_MODEPAGE_CONTROL
#define SCSI_MODESENSE_PAGECODE_INFORMATIONAL_EXCEPTIONS_CONTROL SCSI_MODEPAGE_INFORMATIONAL_EXCEPTIONS_CONTROL
#define SCSI_MODESENSE_PAGECODE_RETURN_ALL_PAGES SCSI_MODEPAGE_RETURN_ALL_PAGES
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_control control;
struct scsi_mode_page_disconnect_reconnect disconnect_reconnect;
struct scsi_mode_page_informational_exceptions_control iec;
struct scsi_mode_page_power_condition power_condition;
};
};
struct scsi_mode_sense {
uint16_t mode_data_length;
uint8_t medium_type;
uint8_t device_specific_parameter;
uint8_t longlba;
uint8_t block_descriptor_length;
struct scsi_mode_page *pages;
};
EXTERN struct scsi_mode_page *
scsi_modesense_get_page(struct scsi_mode_sense *ms,
enum scsi_modesense_page_code page_code,
int subpage_code);
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);
EXTERN struct scsi_task *scsi_cdb_modesense10(int llbaa, int dbd,
enum scsi_modesense_page_control pc,
enum scsi_modesense_page_code page_code,
int sub_page_code,
unsigned char alloc_len);
EXTERN struct scsi_task *scsi_cdb_modeselect6(int pf, int sp, int param_len);
EXTERN struct scsi_task *scsi_cdb_modeselect10(int pf, int sp, int param_len);
EXTERN struct scsi_data *
scsi_modesense_dataout_marshall(struct scsi_task *task,
struct scsi_mode_page *mp,
int is_modeselect6);
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 command_specific;
uint32_t nominal_processing_timeout;
uint32_t recommended_timeout;
};
struct scsi_command_descriptor {
uint8_t opcode;
uint16_t sa;
uint8_t ctdp;
uint8_t servactv;
uint16_t cdb_len;
/* only present if CTDP==1 */
struct scsi_op_timeout_descriptor to;
};
struct scsi_report_supported_op_codes {
int num_descriptors;
struct scsi_command_descriptor descriptors[0];
};
struct scsi_report_supported_op_codes_one_command {
uint8_t ctdp;
uint8_t support;
uint8_t cdb_length;
uint8_t cdb_usage_data[16];
/* only present if CTDP==1 */
struct scsi_op_timeout_descriptor to;
};
struct scsi_target_port_group {
union {
struct {
uint8_t pref:1;
uint8_t rtpg_fmt:3;
uint8_t alua_state:4;
};
uint8_t byte0;
};
uint8_t flags;
uint16_t port_group;
uint8_t status_code;
uint8_t vendor_specific;
uint8_t port_count;
/* retrieved_port_count may be less than port_count when RTPG output
* was trimmed due to the buffer size */
uint8_t retrieved_port_count;
/* points to 'retrieved_port_count' relative port ids */
uint16_t *ports;
};
struct scsi_report_target_port_groups {
int num_groups;
struct scsi_target_port_group groups[0];
};
struct scsi_persistent_reserve_in_read_keys {
uint32_t prgeneration;
uint32_t additional_length;
int num_keys;
uint64_t keys[0];
};
struct scsi_persistent_reserve_in_read_reservation {
uint32_t prgeneration;
uint32_t additional_length;
int reserved;
uint64_t reservation_key;
unsigned char pr_scope;
unsigned char pr_type;
};
enum scsi_persistent_reservation_type_mask {
SCSI_PR_TYPE_MASK_EX_AC_AR = (1 << 0),
SCSI_PR_TYPE_MASK_WR_EX = (1 << 9),
SCSI_PR_TYPE_MASK_EX_AC = (1 << 11),
SCSI_PR_TYPE_MASK_WR_EX_RO = (1 << 13),
SCSI_PR_TYPE_MASK_EX_AC_RO = (1 << 14),
SCSI_PR_TYPE_MASK_WR_EX_AR = (1 << 15),
SCSI_PR_TYPE_MASK_ALL = (SCSI_PR_TYPE_MASK_EX_AC_AR
| SCSI_PR_TYPE_MASK_WR_EX
| SCSI_PR_TYPE_MASK_EX_AC
| SCSI_PR_TYPE_MASK_WR_EX_RO
| SCSI_PR_TYPE_MASK_EX_AC_RO
| SCSI_PR_TYPE_MASK_WR_EX_AR)
};
struct scsi_persistent_reserve_in_report_capabilities {
uint16_t length;
uint8_t crh;
uint8_t sip_c;
uint8_t atp_c;
uint8_t ptpl_c;
uint8_t tmv;
uint8_t allow_commands;
uint8_t ptpl_a;
uint16_t persistent_reservation_type_mask;
};
struct scsi_read6_cdb {
enum scsi_opcode opcode;
uint32_t lba;
uint16_t transfer_length;
uint8_t control;
};
struct scsi_read10_cdb {
enum scsi_opcode opcode;
uint8_t rdprotect;
uint8_t dpo;
uint8_t fua;
uint8_t fua_nv;
uint32_t lba;
uint8_t group;
uint16_t transfer_length;
uint8_t control;
};
struct scsi_read12_cdb {
enum scsi_opcode opcode;
uint8_t rdprotect;
uint8_t dpo;
uint8_t fua;
uint8_t rarc;
uint8_t fua_nv;
uint32_t lba;
uint32_t transfer_length;
uint8_t group;
uint8_t control;
};
struct scsi_read16_cdb {
enum scsi_opcode opcode;
uint8_t rdprotect;
uint8_t dpo;
uint8_t fua;
uint8_t rarc;
uint8_t fua_nv;
uint64_t lba;
uint32_t transfer_length;
uint8_t group;
uint8_t control;
};
struct scsi_verify10_cdb {
enum scsi_opcode opcode;
uint8_t vrprotect;
uint8_t dpo;
uint8_t bytchk;
uint32_t lba;
uint8_t group;
uint16_t verification_length;
uint8_t control;
};
struct scsi_verify12_cdb {
enum scsi_opcode opcode;
uint8_t vrprotect;
uint8_t dpo;
uint8_t bytchk;
uint32_t lba;
uint32_t verification_length;
uint8_t group;
uint8_t control;
};
struct scsi_verify16_cdb {
enum scsi_opcode opcode;
uint8_t vrprotect;
uint8_t dpo;
uint8_t bytchk;
uint64_t lba;
uint32_t verification_length;
uint8_t group;
uint8_t control;
};
struct scsi_write10_cdb {
enum scsi_opcode opcode;
uint8_t wrprotect;
uint8_t dpo;
uint8_t fua;
uint8_t fua_nv;
uint32_t lba;
uint8_t group;
uint16_t transfer_length;
uint8_t control;
};
struct scsi_write12_cdb {
enum scsi_opcode opcode;
uint8_t wrprotect;
uint8_t dpo;
uint8_t fua;
uint8_t fua_nv;
uint32_t lba;
uint32_t transfer_length;
uint8_t group;
uint8_t control;
};
struct scsi_write16_cdb {
enum scsi_opcode opcode;
uint8_t wrprotect;
uint8_t dpo;
uint8_t fua;
uint8_t fua_nv;
uint32_t lba;
uint32_t transfer_length;
uint8_t group;
uint8_t control;
};
struct scsi_writeatomic16_cdb {
enum scsi_opcode opcode;
uint8_t wrprotect;
uint8_t dpo;
uint8_t fua;
uint32_t lba;
uint16_t transfer_length;
uint8_t group;
uint8_t control;
};
EXTERN int scsi_datain_getfullsize(struct scsi_task *task);
EXTERN void *scsi_datain_unmarshall(struct scsi_task *task);
EXTERN void *scsi_cdb_unmarshall(struct scsi_task *task, enum scsi_opcode opcode);
EXTERN void scsi_parse_sense_data(struct scsi_sense *sense, const uint8_t *sb);
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_get_lba_status(uint64_t starting_lba, uint32_t alloc_len);
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_persistent_reserve_in(enum scsi_persistent_in_sa sa, uint16_t xferlen);
EXTERN struct scsi_task *scsi_cdb_persistent_reserve_out(enum scsi_persistent_out_sa sa, enum scsi_persistent_out_scope scope, enum scsi_persistent_out_type type, void *params);
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_preventallow(int prevent);
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_readcapacity16(void);
EXTERN struct scsi_task *scsi_cdb_readdefectdata10(int req_plist, int req_glist, int defect_list_format, uint16_t alloc_len);
EXTERN struct scsi_task *scsi_cdb_readdefectdata12(int req_plist, int req_glist, int defect_list_format, uint32_t address_descriptor_index, uint32_t alloc_len);
EXTERN struct scsi_task *scsi_cdb_report_target_port_groups(uint32_t alloc_len);
EXTERN struct scsi_task *scsi_cdb_report_supported_opcodes(int rctd, int options, enum scsi_opcode opcode, int sa, uint32_t alloc_len);
EXTERN struct scsi_task *scsi_cdb_serviceactionin16(enum scsi_service_action_in sa, uint32_t xferlen);
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_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_unmap(int anchor, int group, uint16_t xferlen);
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_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_writeatomic16(uint64_t lba, uint32_t xferlen, int blocksize, int wrprotect, int dpo, int fua, int group_number);
EXTERN struct scsi_task *scsi_cdb_writesame10(int wrprotect, int anchor, int unmap, uint32_t lba, int group, uint16_t num_blocks, uint32_t datalen);
EXTERN struct scsi_task *scsi_cdb_writesame16(int wrprotect, int anchor, int unmap, uint64_t lba, int group, uint32_t num_blocks, uint32_t datalen);
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);
/*
* EXTENDED COPY
*/
#define XCOPY_DESC_OFFSET 16
#define SEG_DESC_SRC_INDEX_OFFSET 4
enum list_id_usage {
LIST_ID_USAGE_HOLD = 0,
LIST_ID_USAGE_DISCARD = 2,
LIST_ID_USAGE_DISABLE = 3
};
enum ec_descr_type_code {
/* Segment descriptors : 0x00 to 0xBF */
BLK_TO_STRM_SEG_DESCR = 0x00,
STRM_TO_BLK_SEG_DESCR = 0x01,
BLK_TO_BLK_SEG_DESCR = 0x02,
STRM_TO_STRM_SEG_DESCR = 0x03,
BLK_TO_BLK_OFF_SEG_DESCR = 0x0A,
/* Target descriptors : 0xEO to 0xFE */
IDENT_DESCR_TGT_DESCR = 0xE4,
IPV4_TGT_DESCR = 0xE5,
IPV6_TGT_DESCR = 0xEA,
IP_COPY_SVC_TGT_DESCR = 0xEB
};
enum lu_id_type {
LU_ID_TYPE_LUN = 0x00,
LU_ID_TYPE_PROXY_TOKEN = 0x01,
LU_ID_TYPE_RSVD = 0x02,
LU_ID_TYPE_RSVD1 = 0x03
};
EXTERN struct scsi_task *scsi_cdb_extended_copy(int immed);
/*
* RECEIVE COPY RESULTS
*/
enum scsi_copy_results_sa {
SCSI_COPY_RESULTS_COPY_STATUS = 0,
SCSI_COPY_RESULTS_RECEIVE_DATA = 1,
SCSI_COPY_RESULTS_OP_PARAMS = 3,
SCSI_COPY_RESULTS_FAILED_SEGMENT = 4,
};
EXTERN struct scsi_task *scsi_cdb_receive_copy_results(enum scsi_copy_results_sa sa, int list_id, int xferlen);
struct scsi_copy_results_copy_status {
uint32_t available_data;
uint8_t copy_manager_status;
uint8_t hdd;
uint16_t segments_processed;
uint8_t transfer_count_units;
uint32_t transfer_count;
};
struct scsi_copy_results_op_params {
uint32_t available_data;
uint16_t max_target_desc_count;
uint16_t max_segment_desc_count;
uint32_t max_desc_list_length;
uint32_t max_segment_length;
uint32_t max_inline_data_length;
uint32_t held_data_limit;
uint32_t max_stream_device_transfer_size;
uint16_t total_concurrent_copies;
uint8_t max_concurrent_copies;
uint8_t data_segment_granularity;
uint8_t inline_data_granularity;
uint8_t held_data_granularity;
uint8_t impl_desc_list_length;
uint8_t imp_desc_type_codes[0];
};
void *scsi_malloc(struct scsi_task *task, size_t size);
uint64_t scsi_get_uint64(const unsigned char *c);
uint32_t scsi_get_uint32(const unsigned char *c);
uint16_t scsi_get_uint16(const unsigned char *c);
void scsi_set_uint64(unsigned char *c, uint64_t val);
void scsi_set_uint32(unsigned char *c, uint32_t val);
void scsi_set_uint16(unsigned char *c, uint16_t val);
#ifdef __cplusplus
}
#endif
#endif /* __scsi_lowlevel_h__ */
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