diff options
| -rw-r--r-- | drivers/scsi/scsi_debug.c | 163 |
1 files changed, 90 insertions, 73 deletions
diff --git a/drivers/scsi/scsi_debug.c b/drivers/scsi/scsi_debug.c index 11ef3f19490d..42b55d60e844 100644 --- a/drivers/scsi/scsi_debug.c +++ b/drivers/scsi/scsi_debug.c @@ -235,7 +235,7 @@ static const char *sdebug_version_date = "20171202"; #define F_M_ACCESS 0x800 /* media access */ #define FF_RESPOND (F_RL_WLUN_OK | F_SKIP_UA | F_DELAY_OVERR) -#define FF_DIRECT_IO (F_M_ACCESS | F_FAKE_RW) +#define FF_MEDIA_IO (F_M_ACCESS | F_FAKE_RW) #define FF_SA (F_SA_HIGH | F_SA_LOW) #define SDEBUG_MAX_PARTS 4 @@ -326,12 +326,12 @@ enum sdeb_opcode_index { SDEB_I_READ = 9, /* 6, 10, 12, 16 */ SDEB_I_WRITE = 10, /* 6, 10, 12, 16 */ SDEB_I_START_STOP = 11, - SDEB_I_SERV_ACT_IN = 12, /* 12, 16 */ - SDEB_I_SERV_ACT_OUT = 13, /* 12, 16 */ + SDEB_I_SERV_ACT_IN_16 = 12, /* add ...SERV_ACT_IN_12 if needed */ + SDEB_I_SERV_ACT_OUT_16 = 13, /* add ...SERV_ACT_OUT_12 if needed */ SDEB_I_MAINT_IN = 14, SDEB_I_MAINT_OUT = 15, SDEB_I_VERIFY = 16, /* 10 only */ - SDEB_I_VARIABLE_LEN = 17, + SDEB_I_VARIABLE_LEN = 17, /* READ(32), WRITE(32) */ SDEB_I_RESERVE = 18, /* 6, 10 */ SDEB_I_RELEASE = 19, /* 6, 10 */ SDEB_I_ALLOW_REMOVAL = 20, /* PREVENT ALLOW MEDIUM REMOVAL */ @@ -376,12 +376,12 @@ static const unsigned char opcode_ind_arr[256] = { 0, 0, 0, 0, 0, SDEB_I_ATA_PT, 0, 0, SDEB_I_READ, SDEB_I_COMP_WRITE, SDEB_I_WRITE, 0, 0, 0, 0, 0, 0, 0, 0, SDEB_I_WRITE_SAME, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, SDEB_I_SERV_ACT_IN, SDEB_I_SERV_ACT_OUT, + 0, 0, 0, 0, 0, 0, SDEB_I_SERV_ACT_IN_16, SDEB_I_SERV_ACT_OUT_16, /* 0xa0; 0xa0->0xbf: 12 byte cdbs */ SDEB_I_REPORT_LUNS, SDEB_I_ATA_PT, 0, SDEB_I_MAINT_IN, SDEB_I_MAINT_OUT, 0, 0, 0, - SDEB_I_READ, SDEB_I_SERV_ACT_OUT, SDEB_I_WRITE, SDEB_I_SERV_ACT_IN, - 0, 0, 0, 0, + SDEB_I_READ, 0 /* SDEB_I_SERV_ACT_OUT_12 */, SDEB_I_WRITE, + 0 /* SDEB_I_SERV_ACT_IN_12 */, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 0xc0; 0xc0->0xff: vendor specific */ @@ -413,72 +413,78 @@ static int resp_xdwriteread_10(struct scsi_cmnd *, struct sdebug_dev_info *); static int resp_comp_write(struct scsi_cmnd *, struct sdebug_dev_info *); static int resp_write_buffer(struct scsi_cmnd *, struct sdebug_dev_info *); -static const struct opcode_info_t msense_iarr[1] = { +/* + * The following are overflow arrays for cdbs that "hit" the same index in + * the opcode_info_arr array. The most time sensitive (or commonly used) cdb + * should be placed in opcode_info_arr[], the others should be placed here. + */ +static const struct opcode_info_t msense_iarr[] = { {0, 0x1a, 0, F_D_IN, NULL, NULL, {6, 0xe8, 0xff, 0xff, 0xff, 0xc7, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0} }, }; -static const struct opcode_info_t mselect_iarr[1] = { +static const struct opcode_info_t mselect_iarr[] = { {0, 0x15, 0, F_D_OUT, NULL, NULL, {6, 0xf1, 0, 0, 0xff, 0xc7, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0} }, }; -static const struct opcode_info_t read_iarr[3] = { - {0, 0x28, 0, F_D_IN | FF_DIRECT_IO, resp_read_dt0, NULL,/* READ(10) */ +static const struct opcode_info_t read_iarr[] = { + {0, 0x28, 0, F_D_IN | FF_MEDIA_IO, resp_read_dt0, NULL,/* READ(10) */ {10, 0xff, 0xff, 0xff, 0xff, 0xff, 0x3f, 0xff, 0xff, 0xc7, 0, 0, 0, 0, 0, 0} }, - {0, 0x8, 0, F_D_IN | FF_DIRECT_IO, resp_read_dt0, NULL, /* READ(6) */ + {0, 0x8, 0, F_D_IN | FF_MEDIA_IO, resp_read_dt0, NULL, /* READ(6) */ {6, 0xff, 0xff, 0xff, 0xff, 0xc7, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0} }, - {0, 0xa8, 0, F_D_IN | FF_DIRECT_IO, resp_read_dt0, NULL,/* READ(12) */ + {0, 0xa8, 0, F_D_IN | FF_MEDIA_IO, resp_read_dt0, NULL,/* READ(12) */ {12, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xbf, 0xc7, 0, 0, 0, 0} }, }; -static const struct opcode_info_t write_iarr[3] = { - {0, 0x2a, 0, F_D_OUT | FF_DIRECT_IO, resp_write_dt0, NULL, /* 10 */ - {10, 0xfb, 0xff, 0xff, 0xff, 0xff, 0x3f, 0xff, 0xff, 0xc7, 0, 0, - 0, 0, 0, 0} }, - {0, 0xa, 0, F_D_OUT | FF_DIRECT_IO, resp_write_dt0, NULL, /* 6 */ - {6, 0xff, 0xff, 0xff, 0xff, 0xc7, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0} }, - {0, 0xaa, 0, F_D_OUT | FF_DIRECT_IO, resp_write_dt0, NULL, /* 12 */ - {12, 0xfb, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xbf, - 0xc7, 0, 0, 0, 0} }, +static const struct opcode_info_t write_iarr[] = { + {0, 0x2a, 0, F_D_OUT | FF_MEDIA_IO, resp_write_dt0, /* WRITE(10) */ + NULL, {10, 0xfb, 0xff, 0xff, 0xff, 0xff, 0x3f, 0xff, 0xff, 0xc7, + 0, 0, 0, 0, 0, 0} }, + {0, 0xa, 0, F_D_OUT | FF_MEDIA_IO, resp_write_dt0, /* WRITE(6) */ + NULL, {6, 0xff, 0xff, 0xff, 0xff, 0xc7, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0} }, + {0, 0xaa, 0, F_D_OUT | FF_MEDIA_IO, resp_write_dt0, /* WRITE(12) */ + NULL, {12, 0xfb, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, + 0xbf, 0xc7, 0, 0, 0, 0} }, }; -static const struct opcode_info_t sa_in_iarr[1] = { +static const struct opcode_info_t sa_in_16_iarr[] = { {0, 0x9e, 0x12, F_SA_LOW | F_D_IN, resp_get_lba_status, NULL, {16, 0x12, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, - 0xff, 0xff, 0xff, 0, 0xc7} }, + 0xff, 0xff, 0xff, 0, 0xc7} }, /* GET LBA STATUS(16) */ }; -static const struct opcode_info_t vl_iarr[1] = { /* VARIABLE LENGTH */ - {0, 0x7f, 0xb, F_SA_HIGH | F_D_OUT | FF_DIRECT_IO, resp_write_dt0, +static const struct opcode_info_t vl_iarr[] = { /* VARIABLE LENGTH */ + {0, 0x7f, 0xb, F_SA_HIGH | F_D_OUT | FF_MEDIA_IO, resp_write_dt0, NULL, {32, 0xc7, 0, 0, 0, 0, 0x3f, 0x18, 0x0, 0xb, 0xfa, 0, 0xff, 0xff, 0xff, 0xff} }, /* WRITE(32) */ }; -static const struct opcode_info_t maint_in_iarr[2] = { +static const struct opcode_info_t maint_in_iarr[] = { /* MAINT IN */ {0, 0xa3, 0xc, F_SA_LOW | F_D_IN, resp_rsup_opcodes, NULL, {12, 0xc, 0x87, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0, - 0xc7, 0, 0, 0, 0} }, + 0xc7, 0, 0, 0, 0} }, /* REPORT SUPPORTED OPERATION CODES */ {0, 0xa3, 0xd, F_SA_LOW | F_D_IN, resp_rsup_tmfs, NULL, {12, 0xd, 0x80, 0, 0, 0, 0xff, 0xff, 0xff, 0xff, 0, 0xc7, 0, 0, - 0, 0} }, + 0, 0} }, /* REPORTED SUPPORTED TASK MANAGEMENT FUNCTIONS */ }; -static const struct opcode_info_t write_same_iarr[1] = { - {0, 0x93, 0, F_D_OUT_MAYBE | FF_DIRECT_IO, resp_write_same_16, NULL, +static const struct opcode_info_t write_same_iarr[] = { + {0, 0x93, 0, F_D_OUT_MAYBE | FF_MEDIA_IO, resp_write_same_16, NULL, {16, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, - 0xff, 0xff, 0xff, 0x3f, 0xc7} }, + 0xff, 0xff, 0xff, 0x3f, 0xc7} }, /* WRITE SAME(16) */ }; -static const struct opcode_info_t reserve_iarr[1] = { - {0, 0x16, 0, F_D_OUT, NULL, NULL, /* RESERVE(6) */ +static const struct opcode_info_t reserve_iarr[] = { + {0, 0x16, 0, F_D_OUT, NULL, NULL, /* RESERVE(6) */ {6, 0x1f, 0xff, 0xff, 0xff, 0xc7, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0} }, }; -static const struct opcode_info_t release_iarr[1] = { - {0, 0x17, 0, F_D_OUT, NULL, NULL, /* RELEASE(6) */ +static const struct opcode_info_t release_iarr[] = { + {0, 0x17, 0, F_D_OUT, NULL, NULL, /* RELEASE(6) */ {6, 0x1f, 0xff, 0, 0, 0xc7, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0} }, }; @@ -488,57 +494,66 @@ static const struct opcode_info_t release_iarr[1] = { * REPORT SUPPORTED OPERATION CODES. */ static const struct opcode_info_t opcode_info_arr[SDEB_I_LAST_ELEMENT + 1] = { /* 0 */ - {0, 0, 0, F_INV_OP | FF_RESPOND, NULL, NULL, + {0, 0, 0, F_INV_OP | FF_RESPOND, NULL, NULL, /* unknown opcodes */ {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0} }, - {0, 0x12, 0, FF_RESPOND | F_D_IN, resp_inquiry, NULL, + {0, 0x12, 0, FF_RESPOND | F_D_IN, resp_inquiry, NULL, /* INQUIRY */ {6, 0xe3, 0xff, 0xff, 0xff, 0xc7, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0} }, {0, 0xa0, 0, FF_RESPOND | F_D_IN, resp_report_luns, NULL, {12, 0xe3, 0xff, 0, 0, 0, 0xff, 0xff, 0xff, 0xff, 0, 0xc7, 0, 0, - 0, 0} }, + 0, 0} }, /* REPORT LUNS */ {0, 0x3, 0, FF_RESPOND | F_D_IN, resp_requests, NULL, {6, 0xe1, 0, 0, 0xff, 0xc7, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0} }, {0, 0x0, 0, F_M_ACCESS | F_RL_WLUN_OK, NULL, NULL,/* TEST UNIT READY */ {6, 0, 0, 0, 0, 0xc7, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0} }, - {1, 0x5a, 0, F_D_IN, resp_mode_sense, msense_iarr, - {10, 0xf8, 0xff, 0xff, 0, 0, 0, 0xff, 0xff, 0xc7, 0, 0, 0, 0, 0, - 0} }, - {1, 0x55, 0, F_D_OUT, resp_mode_select, mselect_iarr, - {10, 0xf1, 0, 0, 0, 0, 0, 0xff, 0xff, 0xc7, 0, 0, 0, 0, 0, 0} }, - {0, 0x4d, 0, F_D_IN, resp_log_sense, NULL, +/* 5 */ + {ARRAY_SIZE(msense_iarr), 0x5a, 0, F_D_IN, /* MODE SENSE(10) */ + resp_mode_sense, msense_iarr, {10, 0xf8, 0xff, 0xff, 0, 0, 0, + 0xff, 0xff, 0xc7, 0, 0, 0, 0, 0, 0} }, + {ARRAY_SIZE(mselect_iarr), 0x55, 0, F_D_OUT, /* MODE SELECT(10) */ + resp_mode_select, mselect_iarr, {10, 0xf1, 0, 0, 0, 0, 0, 0xff, + 0xff, 0xc7, 0, 0, 0, 0, 0, 0} }, + {0, 0x4d, 0, F_D_IN, resp_log_sense, NULL, /* LOG SENSE */ {10, 0xe3, 0xff, 0xff, 0, 0xff, 0xff, 0xff, 0xff, 0xc7, 0, 0, 0, 0, 0, 0} }, - {0, 0x25, 0, F_D_IN, resp_readcap, NULL, + {0, 0x25, 0, F_D_IN, resp_readcap, NULL, /* READ CAPACITY(10) */ {10, 0xe1, 0xff, 0xff, 0xff, 0xff, 0, 0, 0x1, 0xc7, 0, 0, 0, 0, 0, 0} }, - {3, 0x88, 0, F_D_IN | FF_DIRECT_IO, resp_read_dt0, read_iarr, - {16, 0xfe, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, - 0xff, 0xff, 0xff, 0xff, 0xc7} }, /* READ(16) */ + {ARRAY_SIZE(read_iarr), 0x88, 0, F_D_IN | FF_MEDIA_IO, /* READ(16) */ + resp_read_dt0, read_iarr, {16, 0xfe, 0xff, 0xff, 0xff, 0xff, + 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xc7} }, /* 10 */ - {3, 0x8a, 0, F_D_OUT | FF_DIRECT_IO, resp_write_dt0, write_iarr, - {16, 0xfa, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, - 0xff, 0xff, 0xff, 0xff, 0xc7} }, /* WRITE(16) */ + {ARRAY_SIZE(write_iarr), 0x8a, 0, F_D_OUT | FF_MEDIA_IO, + resp_write_dt0, write_iarr, /* WRITE(16) */ + {16, 0xfa, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, + 0xff, 0xff, 0xff, 0xff, 0xff, 0xc7} }, /* WRITE(16) */ {0, 0x1b, 0, 0, resp_start_stop, NULL, /* START STOP UNIT */ {6, 0x1, 0, 0xf, 0xf7, 0xc7, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0} }, - {1, 0x9e, 0x10, F_SA_LOW | F_D_IN, resp_readcap16, sa_in_iarr, - {16, 0x10, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, - 0xff, 0xff, 0xff, 0x1, 0xc7} }, /* READ CAPACITY(16) */ - {0, 0, 0, F_INV_OP | FF_RESPOND, NULL, NULL, /* SA OUT */ + {ARRAY_SIZE(sa_in_16_iarr), 0x9e, 0x10, F_SA_LOW | F_D_IN, + resp_readcap16, sa_in_16_iarr, /* SA_IN(16), READ CAPACITY(16) */ + {16, 0x10, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, + 0xff, 0xff, 0xff, 0xff, 0x1, 0xc7} }, + {0, 0, 0, F_INV_OP | FF_RESPOND, NULL, NULL, /* SA_OUT(16) */ {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0} }, - {2, 0xa3, 0xa, F_SA_LOW | F_D_IN, resp_report_tgtpgs, maint_in_iarr, - {12, 0xea, 0, 0, 0, 0, 0xff, 0xff, 0xff, 0xff, 0, 0xc7, 0, 0, 0, - 0} }, + {ARRAY_SIZE(maint_in_iarr), 0xa3, 0xa, F_SA_LOW | F_D_IN, + resp_report_tgtpgs, /* MAINT IN, REPORT TARGET PORT GROUPS */ + maint_in_iarr, {12, 0xea, 0, 0, 0, 0, 0xff, 0xff, 0xff, + 0xff, 0, 0xc7, 0, 0, 0, 0} }, +/* 15 */ {0, 0, 0, F_INV_OP | FF_RESPOND, NULL, NULL, /* MAINT OUT */ {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0} }, - {0, 0x2f, 0, F_D_OUT_MAYBE | FF_DIRECT_IO, NULL, NULL, /* VERIFY(10) */ + {0, 0x2f, 0, F_D_OUT_MAYBE | FF_MEDIA_IO, NULL, NULL, /* VERIFY(10) */ {10, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xc7, 0, 0, 0, 0, 0, 0} }, - {1, 0x7f, 0x9, F_SA_HIGH | F_D_IN | FF_DIRECT_IO, resp_read_dt0, - vl_iarr, {32, 0xc7, 0, 0, 0, 0, 0x3f, 0x18, 0x0, 0x9, 0xfe, 0, - 0xff, 0xff, 0xff, 0xff} },/* VARIABLE LENGTH, READ(32) */ - {1, 0x56, 0, F_D_OUT, NULL, reserve_iarr, /* RESERVE(10) */ + {ARRAY_SIZE(vl_iarr), 0x7f, 0x9, F_SA_HIGH | F_D_IN | FF_MEDIA_IO, + resp_read_dt0, vl_iarr, /* VARIABLE LENGTH, READ(32) */ + {32, 0xc7, 0, 0, 0, 0, 0x3f, 0x18, 0x0, 0x9, 0xfe, 0, 0xff, 0xff, + 0xff, 0xff} }, + {ARRAY_SIZE(reserve_iarr), 0x56, 0, F_D_OUT, + NULL, reserve_iarr, /* RESERVE(10) <no response function> */ {10, 0xff, 0xff, 0xff, 0, 0, 0, 0xff, 0xff, 0xc7, 0, 0, 0, 0, 0, 0} }, - {1, 0x57, 0, F_D_OUT, NULL, release_iarr, /* RELEASE(10) */ + {ARRAY_SIZE(release_iarr), 0x57, 0, F_D_OUT, + NULL, release_iarr, /* RELEASE(10) <no response function> */ {10, 0x13, 0xff, 0xff, 0, 0, 0, 0xff, 0xff, 0xc7, 0, 0, 0, 0, 0, 0} }, /* 20 */ @@ -550,21 +565,23 @@ static const struct opcode_info_t opcode_info_arr[SDEB_I_LAST_ELEMENT + 1] = { {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0} }, {0, 0x1d, F_D_OUT, 0, NULL, NULL, /* SEND DIAGNOSTIC */ {6, 0xf7, 0, 0xff, 0xff, 0xc7, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0} }, - {0, 0x42, 0, F_D_OUT | FF_DIRECT_IO, resp_unmap, NULL, /* UNMAP */ + {0, 0x42, 0, F_D_OUT | FF_MEDIA_IO, resp_unmap, NULL, /* UNMAP */ {10, 0x1, 0, 0, 0, 0, 0x3f, 0xff, 0xff, 0xc7, 0, 0, 0, 0, 0, 0} }, - {0, 0x53, 0, F_D_IN | F_D_OUT | FF_DIRECT_IO, resp_xdwriteread_10, +/* 25 */ + {0, 0x53, 0, F_D_IN | F_D_OUT | FF_MEDIA_IO, resp_xdwriteread_10, NULL, {10, 0xff, 0xff, 0xff, 0xff, 0xff, 0x3f, 0xff, 0xff, 0xc7, - 0, 0, 0, 0, 0, 0} }, + 0, 0, 0, 0, 0, 0} }, /* XDWRITEREAD(10) */ {0, 0x3b, 0, F_D_OUT_MAYBE, resp_write_buffer, NULL, {10, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xc7, 0, 0, 0, 0, 0, 0} }, /* WRITE_BUFFER */ - {1, 0x41, 0, F_D_OUT_MAYBE | FF_DIRECT_IO, resp_write_same_10, - write_same_iarr, {10, 0xff, 0xff, 0xff, 0xff, 0xff, 0x3f, 0xff, - 0xff, 0xc7, 0, 0, 0, 0, 0, 0} }, - {0, 0x35, 0, F_DELAY_OVERR | FF_DIRECT_IO, NULL, NULL, /* SYNC_CACHE */ + {ARRAY_SIZE(write_same_iarr), 0x41, 0, F_D_OUT_MAYBE | FF_MEDIA_IO, + resp_write_same_10, write_same_iarr, /* WRITE SAME(10) */ + {10, 0xff, 0xff, 0xff, 0xff, 0xff, 0x3f, 0xff, 0xff, 0xc7, 0, + 0, 0, 0, 0, 0} }, + {0, 0x35, 0, F_DELAY_OVERR | FF_MEDIA_IO, NULL, NULL, /* SYNC_CACHE */ {10, 0x7, 0xff, 0xff, 0xff, 0xff, 0x3f, 0xff, 0xff, 0xc7, 0, 0, 0, 0, 0, 0} }, - {0, 0x89, 0, F_D_OUT | FF_DIRECT_IO, resp_comp_write, NULL, + {0, 0x89, 0, F_D_OUT | FF_MEDIA_IO, resp_comp_write, NULL, {16, 0xf8, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0, 0, 0, 0xff, 0x3f, 0xc7} }, /* COMPARE AND WRITE */ |