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Diffstat (limited to 'drivers/scsi/scsi_debug.c')
-rw-r--r--drivers/scsi/scsi_debug.c192
1 files changed, 110 insertions, 82 deletions
diff --git a/drivers/scsi/scsi_debug.c b/drivers/scsi/scsi_debug.c
index a6b2d72022fc..fa5758cbdedb 100644
--- a/drivers/scsi/scsi_debug.c
+++ b/drivers/scsi/scsi_debug.c
@@ -89,32 +89,34 @@ static const char * scsi_debug_version_date = "20100324";
89/* With these defaults, this driver will make 1 host with 1 target 89/* With these defaults, this driver will make 1 host with 1 target
90 * (id 0) containing 1 logical unit (lun 0). That is 1 device. 90 * (id 0) containing 1 logical unit (lun 0). That is 1 device.
91 */ 91 */
92#define DEF_ATO 1
92#define DEF_DELAY 1 93#define DEF_DELAY 1
93#define DEF_DEV_SIZE_MB 8 94#define DEF_DEV_SIZE_MB 8
94#define DEF_EVERY_NTH 0 95#define DEF_DIF 0
95#define DEF_NUM_PARTS 0 96#define DEF_DIX 0
96#define DEF_OPTS 0
97#define DEF_SCSI_LEVEL 5 /* INQUIRY, byte2 [5->SPC-3] */
98#define DEF_PTYPE 0
99#define DEF_D_SENSE 0 97#define DEF_D_SENSE 0
100#define DEF_NO_LUN_0 0 98#define DEF_EVERY_NTH 0
101#define DEF_VIRTUAL_GB 0
102#define DEF_FAKE_RW 0 99#define DEF_FAKE_RW 0
103#define DEF_VPD_USE_HOSTNO 1
104#define DEF_SECTOR_SIZE 512
105#define DEF_DIX 0
106#define DEF_DIF 0
107#define DEF_GUARD 0 100#define DEF_GUARD 0
108#define DEF_ATO 1 101#define DEF_LBPU 0
109#define DEF_PHYSBLK_EXP 0 102#define DEF_LBPWS 0
103#define DEF_LBPWS10 0
110#define DEF_LOWEST_ALIGNED 0 104#define DEF_LOWEST_ALIGNED 0
105#define DEF_NO_LUN_0 0
106#define DEF_NUM_PARTS 0
107#define DEF_OPTS 0
111#define DEF_OPT_BLKS 64 108#define DEF_OPT_BLKS 64
109#define DEF_PHYSBLK_EXP 0
110#define DEF_PTYPE 0
111#define DEF_SCSI_LEVEL 5 /* INQUIRY, byte2 [5->SPC-3] */
112#define DEF_SECTOR_SIZE 512
113#define DEF_UNMAP_ALIGNMENT 0
114#define DEF_UNMAP_GRANULARITY 1
112#define DEF_UNMAP_MAX_BLOCKS 0xFFFFFFFF 115#define DEF_UNMAP_MAX_BLOCKS 0xFFFFFFFF
113#define DEF_UNMAP_MAX_DESC 256 116#define DEF_UNMAP_MAX_DESC 256
114#define DEF_UNMAP_GRANULARITY 1 117#define DEF_VIRTUAL_GB 0
115#define DEF_UNMAP_ALIGNMENT 0 118#define DEF_VPD_USE_HOSTNO 1
116#define DEF_TPWS 0 119#define DEF_WRITESAME_LENGTH 0xFFFF
117#define DEF_TPU 0
118 120
119/* bit mask values for scsi_debug_opts */ 121/* bit mask values for scsi_debug_opts */
120#define SCSI_DEBUG_OPT_NOISE 1 122#define SCSI_DEBUG_OPT_NOISE 1
@@ -144,6 +146,7 @@ static const char * scsi_debug_version_date = "20100324";
144/* when 1==SCSI_DEBUG_OPT_MEDIUM_ERR, a medium error is simulated at this 146/* when 1==SCSI_DEBUG_OPT_MEDIUM_ERR, a medium error is simulated at this
145 * sector on read commands: */ 147 * sector on read commands: */
146#define OPT_MEDIUM_ERR_ADDR 0x1234 /* that's sector 4660 in decimal */ 148#define OPT_MEDIUM_ERR_ADDR 0x1234 /* that's sector 4660 in decimal */
149#define OPT_MEDIUM_ERR_NUM 10 /* number of consecutive medium errs */
147 150
148/* If REPORT LUNS has luns >= 256 it can choose "flat space" (value 1) 151/* If REPORT LUNS has luns >= 256 it can choose "flat space" (value 1)
149 * or "peripheral device" addressing (value 0) */ 152 * or "peripheral device" addressing (value 0) */
@@ -155,36 +158,38 @@ static const char * scsi_debug_version_date = "20100324";
155#define SCSI_DEBUG_CANQUEUE 255 158#define SCSI_DEBUG_CANQUEUE 255
156 159
157static int scsi_debug_add_host = DEF_NUM_HOST; 160static int scsi_debug_add_host = DEF_NUM_HOST;
161static int scsi_debug_ato = DEF_ATO;
158static int scsi_debug_delay = DEF_DELAY; 162static int scsi_debug_delay = DEF_DELAY;
159static int scsi_debug_dev_size_mb = DEF_DEV_SIZE_MB; 163static int scsi_debug_dev_size_mb = DEF_DEV_SIZE_MB;
164static int scsi_debug_dif = DEF_DIF;
165static int scsi_debug_dix = DEF_DIX;
166static int scsi_debug_dsense = DEF_D_SENSE;
160static int scsi_debug_every_nth = DEF_EVERY_NTH; 167static int scsi_debug_every_nth = DEF_EVERY_NTH;
168static int scsi_debug_fake_rw = DEF_FAKE_RW;
169static int scsi_debug_guard = DEF_GUARD;
170static int scsi_debug_lowest_aligned = DEF_LOWEST_ALIGNED;
161static int scsi_debug_max_luns = DEF_MAX_LUNS; 171static int scsi_debug_max_luns = DEF_MAX_LUNS;
162static int scsi_debug_max_queue = SCSI_DEBUG_CANQUEUE; 172static int scsi_debug_max_queue = SCSI_DEBUG_CANQUEUE;
163static int scsi_debug_num_parts = DEF_NUM_PARTS; 173static int scsi_debug_no_lun_0 = DEF_NO_LUN_0;
164static int scsi_debug_no_uld = 0; 174static int scsi_debug_no_uld = 0;
175static int scsi_debug_num_parts = DEF_NUM_PARTS;
165static int scsi_debug_num_tgts = DEF_NUM_TGTS; /* targets per host */ 176static int scsi_debug_num_tgts = DEF_NUM_TGTS; /* targets per host */
177static int scsi_debug_opt_blks = DEF_OPT_BLKS;
166static int scsi_debug_opts = DEF_OPTS; 178static int scsi_debug_opts = DEF_OPTS;
167static int scsi_debug_scsi_level = DEF_SCSI_LEVEL; 179static int scsi_debug_physblk_exp = DEF_PHYSBLK_EXP;
168static int scsi_debug_ptype = DEF_PTYPE; /* SCSI peripheral type (0==disk) */ 180static int scsi_debug_ptype = DEF_PTYPE; /* SCSI peripheral type (0==disk) */
169static int scsi_debug_dsense = DEF_D_SENSE; 181static int scsi_debug_scsi_level = DEF_SCSI_LEVEL;
170static int scsi_debug_no_lun_0 = DEF_NO_LUN_0; 182static int scsi_debug_sector_size = DEF_SECTOR_SIZE;
171static int scsi_debug_virtual_gb = DEF_VIRTUAL_GB; 183static int scsi_debug_virtual_gb = DEF_VIRTUAL_GB;
172static int scsi_debug_fake_rw = DEF_FAKE_RW;
173static int scsi_debug_vpd_use_hostno = DEF_VPD_USE_HOSTNO; 184static int scsi_debug_vpd_use_hostno = DEF_VPD_USE_HOSTNO;
174static int scsi_debug_sector_size = DEF_SECTOR_SIZE; 185static unsigned int scsi_debug_lbpu = DEF_LBPU;
175static int scsi_debug_dix = DEF_DIX; 186static unsigned int scsi_debug_lbpws = DEF_LBPWS;
176static int scsi_debug_dif = DEF_DIF; 187static unsigned int scsi_debug_lbpws10 = DEF_LBPWS10;
177static int scsi_debug_guard = DEF_GUARD;
178static int scsi_debug_ato = DEF_ATO;
179static int scsi_debug_physblk_exp = DEF_PHYSBLK_EXP;
180static int scsi_debug_lowest_aligned = DEF_LOWEST_ALIGNED;
181static int scsi_debug_opt_blks = DEF_OPT_BLKS;
182static unsigned int scsi_debug_unmap_max_desc = DEF_UNMAP_MAX_DESC;
183static unsigned int scsi_debug_unmap_max_blocks = DEF_UNMAP_MAX_BLOCKS;
184static unsigned int scsi_debug_unmap_granularity = DEF_UNMAP_GRANULARITY;
185static unsigned int scsi_debug_unmap_alignment = DEF_UNMAP_ALIGNMENT; 188static unsigned int scsi_debug_unmap_alignment = DEF_UNMAP_ALIGNMENT;
186static unsigned int scsi_debug_tpws = DEF_TPWS; 189static unsigned int scsi_debug_unmap_granularity = DEF_UNMAP_GRANULARITY;
187static unsigned int scsi_debug_tpu = DEF_TPU; 190static unsigned int scsi_debug_unmap_max_blocks = DEF_UNMAP_MAX_BLOCKS;
191static unsigned int scsi_debug_unmap_max_desc = DEF_UNMAP_MAX_DESC;
192static unsigned int scsi_debug_write_same_length = DEF_WRITESAME_LENGTH;
188 193
189static int scsi_debug_cmnd_count = 0; 194static int scsi_debug_cmnd_count = 0;
190 195
@@ -206,6 +211,11 @@ static int sdebug_sectors_per; /* sectors per cylinder */
206 211
207#define SCSI_DEBUG_MAX_CMD_LEN 32 212#define SCSI_DEBUG_MAX_CMD_LEN 32
208 213
214static unsigned int scsi_debug_lbp(void)
215{
216 return scsi_debug_lbpu | scsi_debug_lbpws | scsi_debug_lbpws10;
217}
218
209struct sdebug_dev_info { 219struct sdebug_dev_info {
210 struct list_head dev_list; 220 struct list_head dev_list;
211 unsigned char sense_buff[SDEBUG_SENSE_LEN]; /* weak nexus */ 221 unsigned char sense_buff[SDEBUG_SENSE_LEN]; /* weak nexus */
@@ -727,7 +737,7 @@ static int inquiry_evpd_b0(unsigned char * arr)
727 /* Optimal Transfer Length */ 737 /* Optimal Transfer Length */
728 put_unaligned_be32(scsi_debug_opt_blks, &arr[8]); 738 put_unaligned_be32(scsi_debug_opt_blks, &arr[8]);
729 739
730 if (scsi_debug_tpu) { 740 if (scsi_debug_lbpu) {
731 /* Maximum Unmap LBA Count */ 741 /* Maximum Unmap LBA Count */
732 put_unaligned_be32(scsi_debug_unmap_max_blocks, &arr[16]); 742 put_unaligned_be32(scsi_debug_unmap_max_blocks, &arr[16]);
733 743
@@ -744,7 +754,10 @@ static int inquiry_evpd_b0(unsigned char * arr)
744 /* Optimal Unmap Granularity */ 754 /* Optimal Unmap Granularity */
745 put_unaligned_be32(scsi_debug_unmap_granularity, &arr[24]); 755 put_unaligned_be32(scsi_debug_unmap_granularity, &arr[24]);
746 756
747 return 0x3c; /* Mandatory page length for thin provisioning */ 757 /* Maximum WRITE SAME Length */
758 put_unaligned_be64(scsi_debug_write_same_length, &arr[32]);
759
760 return 0x3c; /* Mandatory page length for Logical Block Provisioning */
748 761
749 return sizeof(vpdb0_data); 762 return sizeof(vpdb0_data);
750} 763}
@@ -767,12 +780,15 @@ static int inquiry_evpd_b2(unsigned char *arr)
767 memset(arr, 0, 0x8); 780 memset(arr, 0, 0x8);
768 arr[0] = 0; /* threshold exponent */ 781 arr[0] = 0; /* threshold exponent */
769 782
770 if (scsi_debug_tpu) 783 if (scsi_debug_lbpu)
771 arr[1] = 1 << 7; 784 arr[1] = 1 << 7;
772 785
773 if (scsi_debug_tpws) 786 if (scsi_debug_lbpws)
774 arr[1] |= 1 << 6; 787 arr[1] |= 1 << 6;
775 788
789 if (scsi_debug_lbpws10)
790 arr[1] |= 1 << 5;
791
776 return 0x8; 792 return 0x8;
777} 793}
778 794
@@ -831,7 +847,8 @@ static int resp_inquiry(struct scsi_cmnd * scp, int target,
831 arr[n++] = 0x89; /* ATA information */ 847 arr[n++] = 0x89; /* ATA information */
832 arr[n++] = 0xb0; /* Block limits (SBC) */ 848 arr[n++] = 0xb0; /* Block limits (SBC) */
833 arr[n++] = 0xb1; /* Block characteristics (SBC) */ 849 arr[n++] = 0xb1; /* Block characteristics (SBC) */
834 arr[n++] = 0xb2; /* Thin provisioning (SBC) */ 850 if (scsi_debug_lbp()) /* Logical Block Prov. (SBC) */
851 arr[n++] = 0xb2;
835 arr[3] = n - 4; /* number of supported VPD pages */ 852 arr[3] = n - 4; /* number of supported VPD pages */
836 } else if (0x80 == cmd[2]) { /* unit serial number */ 853 } else if (0x80 == cmd[2]) { /* unit serial number */
837 arr[1] = cmd[2]; /*sanity */ 854 arr[1] = cmd[2]; /*sanity */
@@ -879,7 +896,7 @@ static int resp_inquiry(struct scsi_cmnd * scp, int target,
879 } else if (0xb1 == cmd[2]) { /* Block characteristics (SBC) */ 896 } else if (0xb1 == cmd[2]) { /* Block characteristics (SBC) */
880 arr[1] = cmd[2]; /*sanity */ 897 arr[1] = cmd[2]; /*sanity */
881 arr[3] = inquiry_evpd_b1(&arr[4]); 898 arr[3] = inquiry_evpd_b1(&arr[4]);
882 } else if (0xb2 == cmd[2]) { /* Thin provisioning (SBC) */ 899 } else if (0xb2 == cmd[2]) { /* Logical Block Prov. (SBC) */
883 arr[1] = cmd[2]; /*sanity */ 900 arr[1] = cmd[2]; /*sanity */
884 arr[3] = inquiry_evpd_b2(&arr[4]); 901 arr[3] = inquiry_evpd_b2(&arr[4]);
885 } else { 902 } else {
@@ -1053,8 +1070,8 @@ static int resp_readcap16(struct scsi_cmnd * scp,
1053 arr[13] = scsi_debug_physblk_exp & 0xf; 1070 arr[13] = scsi_debug_physblk_exp & 0xf;
1054 arr[14] = (scsi_debug_lowest_aligned >> 8) & 0x3f; 1071 arr[14] = (scsi_debug_lowest_aligned >> 8) & 0x3f;
1055 1072
1056 if (scsi_debug_tpu || scsi_debug_tpws) 1073 if (scsi_debug_lbp())
1057 arr[14] |= 0x80; /* TPE */ 1074 arr[14] |= 0x80; /* LBPME */
1058 1075
1059 arr[15] = scsi_debug_lowest_aligned & 0xff; 1076 arr[15] = scsi_debug_lowest_aligned & 0xff;
1060 1077
@@ -1791,15 +1808,15 @@ static int resp_read(struct scsi_cmnd *SCpnt, unsigned long long lba,
1791 return ret; 1808 return ret;
1792 1809
1793 if ((SCSI_DEBUG_OPT_MEDIUM_ERR & scsi_debug_opts) && 1810 if ((SCSI_DEBUG_OPT_MEDIUM_ERR & scsi_debug_opts) &&
1794 (lba <= OPT_MEDIUM_ERR_ADDR) && 1811 (lba <= (OPT_MEDIUM_ERR_ADDR + OPT_MEDIUM_ERR_NUM - 1)) &&
1795 ((lba + num) > OPT_MEDIUM_ERR_ADDR)) { 1812 ((lba + num) > OPT_MEDIUM_ERR_ADDR)) {
1796 /* claim unrecoverable read error */ 1813 /* claim unrecoverable read error */
1797 mk_sense_buffer(devip, MEDIUM_ERROR, UNRECOVERED_READ_ERR, 1814 mk_sense_buffer(devip, MEDIUM_ERROR, UNRECOVERED_READ_ERR, 0);
1798 0);
1799 /* set info field and valid bit for fixed descriptor */ 1815 /* set info field and valid bit for fixed descriptor */
1800 if (0x70 == (devip->sense_buff[0] & 0x7f)) { 1816 if (0x70 == (devip->sense_buff[0] & 0x7f)) {
1801 devip->sense_buff[0] |= 0x80; /* Valid bit */ 1817 devip->sense_buff[0] |= 0x80; /* Valid bit */
1802 ret = OPT_MEDIUM_ERR_ADDR; 1818 ret = (lba < OPT_MEDIUM_ERR_ADDR)
1819 ? OPT_MEDIUM_ERR_ADDR : (int)lba;
1803 devip->sense_buff[3] = (ret >> 24) & 0xff; 1820 devip->sense_buff[3] = (ret >> 24) & 0xff;
1804 devip->sense_buff[4] = (ret >> 16) & 0xff; 1821 devip->sense_buff[4] = (ret >> 16) & 0xff;
1805 devip->sense_buff[5] = (ret >> 8) & 0xff; 1822 devip->sense_buff[5] = (ret >> 8) & 0xff;
@@ -2084,6 +2101,12 @@ static int resp_write_same(struct scsi_cmnd *scmd, unsigned long long lba,
2084 if (ret) 2101 if (ret)
2085 return ret; 2102 return ret;
2086 2103
2104 if (num > scsi_debug_write_same_length) {
2105 mk_sense_buffer(devip, ILLEGAL_REQUEST, INVALID_FIELD_IN_CDB,
2106 0);
2107 return check_condition_result;
2108 }
2109
2087 write_lock_irqsave(&atomic_rw, iflags); 2110 write_lock_irqsave(&atomic_rw, iflags);
2088 2111
2089 if (unmap && scsi_debug_unmap_granularity) { 2112 if (unmap && scsi_debug_unmap_granularity) {
@@ -2695,37 +2718,40 @@ static int schedule_resp(struct scsi_cmnd * cmnd,
2695 /sys/bus/pseudo/drivers/scsi_debug directory is changed. 2718 /sys/bus/pseudo/drivers/scsi_debug directory is changed.
2696 */ 2719 */
2697module_param_named(add_host, scsi_debug_add_host, int, S_IRUGO | S_IWUSR); 2720module_param_named(add_host, scsi_debug_add_host, int, S_IRUGO | S_IWUSR);
2721module_param_named(ato, scsi_debug_ato, int, S_IRUGO);
2698module_param_named(delay, scsi_debug_delay, int, S_IRUGO | S_IWUSR); 2722module_param_named(delay, scsi_debug_delay, int, S_IRUGO | S_IWUSR);
2699module_param_named(dev_size_mb, scsi_debug_dev_size_mb, int, S_IRUGO); 2723module_param_named(dev_size_mb, scsi_debug_dev_size_mb, int, S_IRUGO);
2724module_param_named(dif, scsi_debug_dif, int, S_IRUGO);
2725module_param_named(dix, scsi_debug_dix, int, S_IRUGO);
2700module_param_named(dsense, scsi_debug_dsense, int, S_IRUGO | S_IWUSR); 2726module_param_named(dsense, scsi_debug_dsense, int, S_IRUGO | S_IWUSR);
2701module_param_named(every_nth, scsi_debug_every_nth, int, S_IRUGO | S_IWUSR); 2727module_param_named(every_nth, scsi_debug_every_nth, int, S_IRUGO | S_IWUSR);
2702module_param_named(fake_rw, scsi_debug_fake_rw, int, S_IRUGO | S_IWUSR); 2728module_param_named(fake_rw, scsi_debug_fake_rw, int, S_IRUGO | S_IWUSR);
2729module_param_named(guard, scsi_debug_guard, int, S_IRUGO);
2730module_param_named(lbpu, scsi_debug_lbpu, int, S_IRUGO);
2731module_param_named(lbpws, scsi_debug_lbpws, int, S_IRUGO);
2732module_param_named(lbpws10, scsi_debug_lbpws10, int, S_IRUGO);
2733module_param_named(lowest_aligned, scsi_debug_lowest_aligned, int, S_IRUGO);
2703module_param_named(max_luns, scsi_debug_max_luns, int, S_IRUGO | S_IWUSR); 2734module_param_named(max_luns, scsi_debug_max_luns, int, S_IRUGO | S_IWUSR);
2704module_param_named(max_queue, scsi_debug_max_queue, int, S_IRUGO | S_IWUSR); 2735module_param_named(max_queue, scsi_debug_max_queue, int, S_IRUGO | S_IWUSR);
2705module_param_named(no_lun_0, scsi_debug_no_lun_0, int, S_IRUGO | S_IWUSR); 2736module_param_named(no_lun_0, scsi_debug_no_lun_0, int, S_IRUGO | S_IWUSR);
2706module_param_named(no_uld, scsi_debug_no_uld, int, S_IRUGO); 2737module_param_named(no_uld, scsi_debug_no_uld, int, S_IRUGO);
2707module_param_named(num_parts, scsi_debug_num_parts, int, S_IRUGO); 2738module_param_named(num_parts, scsi_debug_num_parts, int, S_IRUGO);
2708module_param_named(num_tgts, scsi_debug_num_tgts, int, S_IRUGO | S_IWUSR); 2739module_param_named(num_tgts, scsi_debug_num_tgts, int, S_IRUGO | S_IWUSR);
2740module_param_named(opt_blks, scsi_debug_opt_blks, int, S_IRUGO);
2709module_param_named(opts, scsi_debug_opts, int, S_IRUGO | S_IWUSR); 2741module_param_named(opts, scsi_debug_opts, int, S_IRUGO | S_IWUSR);
2742module_param_named(physblk_exp, scsi_debug_physblk_exp, int, S_IRUGO);
2710module_param_named(ptype, scsi_debug_ptype, int, S_IRUGO | S_IWUSR); 2743module_param_named(ptype, scsi_debug_ptype, int, S_IRUGO | S_IWUSR);
2711module_param_named(scsi_level, scsi_debug_scsi_level, int, S_IRUGO); 2744module_param_named(scsi_level, scsi_debug_scsi_level, int, S_IRUGO);
2712module_param_named(virtual_gb, scsi_debug_virtual_gb, int, S_IRUGO | S_IWUSR);
2713module_param_named(vpd_use_hostno, scsi_debug_vpd_use_hostno, int,
2714 S_IRUGO | S_IWUSR);
2715module_param_named(sector_size, scsi_debug_sector_size, int, S_IRUGO); 2745module_param_named(sector_size, scsi_debug_sector_size, int, S_IRUGO);
2716module_param_named(dix, scsi_debug_dix, int, S_IRUGO); 2746module_param_named(unmap_alignment, scsi_debug_unmap_alignment, int, S_IRUGO);
2717module_param_named(dif, scsi_debug_dif, int, S_IRUGO); 2747module_param_named(unmap_granularity, scsi_debug_unmap_granularity, int, S_IRUGO);
2718module_param_named(guard, scsi_debug_guard, int, S_IRUGO);
2719module_param_named(ato, scsi_debug_ato, int, S_IRUGO);
2720module_param_named(physblk_exp, scsi_debug_physblk_exp, int, S_IRUGO);
2721module_param_named(opt_blks, scsi_debug_opt_blks, int, S_IRUGO);
2722module_param_named(lowest_aligned, scsi_debug_lowest_aligned, int, S_IRUGO);
2723module_param_named(unmap_max_blocks, scsi_debug_unmap_max_blocks, int, S_IRUGO); 2748module_param_named(unmap_max_blocks, scsi_debug_unmap_max_blocks, int, S_IRUGO);
2724module_param_named(unmap_max_desc, scsi_debug_unmap_max_desc, int, S_IRUGO); 2749module_param_named(unmap_max_desc, scsi_debug_unmap_max_desc, int, S_IRUGO);
2725module_param_named(unmap_granularity, scsi_debug_unmap_granularity, int, S_IRUGO); 2750module_param_named(virtual_gb, scsi_debug_virtual_gb, int, S_IRUGO | S_IWUSR);
2726module_param_named(unmap_alignment, scsi_debug_unmap_alignment, int, S_IRUGO); 2751module_param_named(vpd_use_hostno, scsi_debug_vpd_use_hostno, int,
2727module_param_named(tpu, scsi_debug_tpu, int, S_IRUGO); 2752 S_IRUGO | S_IWUSR);
2728module_param_named(tpws, scsi_debug_tpws, int, S_IRUGO); 2753module_param_named(write_same_length, scsi_debug_write_same_length, int,
2754 S_IRUGO | S_IWUSR);
2729 2755
2730MODULE_AUTHOR("Eric Youngdale + Douglas Gilbert"); 2756MODULE_AUTHOR("Eric Youngdale + Douglas Gilbert");
2731MODULE_DESCRIPTION("SCSI debug adapter driver"); 2757MODULE_DESCRIPTION("SCSI debug adapter driver");
@@ -2733,36 +2759,38 @@ MODULE_LICENSE("GPL");
2733MODULE_VERSION(SCSI_DEBUG_VERSION); 2759MODULE_VERSION(SCSI_DEBUG_VERSION);
2734 2760
2735MODULE_PARM_DESC(add_host, "0..127 hosts allowed(def=1)"); 2761MODULE_PARM_DESC(add_host, "0..127 hosts allowed(def=1)");
2762MODULE_PARM_DESC(ato, "application tag ownership: 0=disk 1=host (def=1)");
2736MODULE_PARM_DESC(delay, "# of jiffies to delay response(def=1)"); 2763MODULE_PARM_DESC(delay, "# of jiffies to delay response(def=1)");
2737MODULE_PARM_DESC(dev_size_mb, "size in MB of ram shared by devs(def=8)"); 2764MODULE_PARM_DESC(dev_size_mb, "size in MB of ram shared by devs(def=8)");
2765MODULE_PARM_DESC(dif, "data integrity field type: 0-3 (def=0)");
2766MODULE_PARM_DESC(dix, "data integrity extensions mask (def=0)");
2738MODULE_PARM_DESC(dsense, "use descriptor sense format(def=0 -> fixed)"); 2767MODULE_PARM_DESC(dsense, "use descriptor sense format(def=0 -> fixed)");
2739MODULE_PARM_DESC(every_nth, "timeout every nth command(def=0)"); 2768MODULE_PARM_DESC(every_nth, "timeout every nth command(def=0)");
2740MODULE_PARM_DESC(fake_rw, "fake reads/writes instead of copying (def=0)"); 2769MODULE_PARM_DESC(fake_rw, "fake reads/writes instead of copying (def=0)");
2770MODULE_PARM_DESC(guard, "protection checksum: 0=crc, 1=ip (def=0)");
2771MODULE_PARM_DESC(lbpu, "enable LBP, support UNMAP command (def=0)");
2772MODULE_PARM_DESC(lbpws, "enable LBP, support WRITE SAME(16) with UNMAP bit (def=0)");
2773MODULE_PARM_DESC(lbpws10, "enable LBP, support WRITE SAME(10) with UNMAP bit (def=0)");
2774MODULE_PARM_DESC(lowest_aligned, "lowest aligned lba (def=0)");
2741MODULE_PARM_DESC(max_luns, "number of LUNs per target to simulate(def=1)"); 2775MODULE_PARM_DESC(max_luns, "number of LUNs per target to simulate(def=1)");
2742MODULE_PARM_DESC(max_queue, "max number of queued commands (1 to 255(def))"); 2776MODULE_PARM_DESC(max_queue, "max number of queued commands (1 to 255(def))");
2743MODULE_PARM_DESC(no_lun_0, "no LU number 0 (def=0 -> have lun 0)"); 2777MODULE_PARM_DESC(no_lun_0, "no LU number 0 (def=0 -> have lun 0)");
2744MODULE_PARM_DESC(no_uld, "stop ULD (e.g. sd driver) attaching (def=0))"); 2778MODULE_PARM_DESC(no_uld, "stop ULD (e.g. sd driver) attaching (def=0))");
2745MODULE_PARM_DESC(num_parts, "number of partitions(def=0)"); 2779MODULE_PARM_DESC(num_parts, "number of partitions(def=0)");
2746MODULE_PARM_DESC(num_tgts, "number of targets per host to simulate(def=1)"); 2780MODULE_PARM_DESC(num_tgts, "number of targets per host to simulate(def=1)");
2781MODULE_PARM_DESC(opt_blks, "optimal transfer length in block (def=64)");
2747MODULE_PARM_DESC(opts, "1->noise, 2->medium_err, 4->timeout, 8->recovered_err... (def=0)"); 2782MODULE_PARM_DESC(opts, "1->noise, 2->medium_err, 4->timeout, 8->recovered_err... (def=0)");
2783MODULE_PARM_DESC(physblk_exp, "physical block exponent (def=0)");
2748MODULE_PARM_DESC(ptype, "SCSI peripheral type(def=0[disk])"); 2784MODULE_PARM_DESC(ptype, "SCSI peripheral type(def=0[disk])");
2749MODULE_PARM_DESC(scsi_level, "SCSI level to simulate(def=5[SPC-3])"); 2785MODULE_PARM_DESC(scsi_level, "SCSI level to simulate(def=5[SPC-3])");
2750MODULE_PARM_DESC(virtual_gb, "virtual gigabyte size (def=0 -> use dev_size_mb)");
2751MODULE_PARM_DESC(vpd_use_hostno, "0 -> dev ids ignore hostno (def=1 -> unique dev ids)");
2752MODULE_PARM_DESC(sector_size, "logical block size in bytes (def=512)"); 2786MODULE_PARM_DESC(sector_size, "logical block size in bytes (def=512)");
2753MODULE_PARM_DESC(physblk_exp, "physical block exponent (def=0)"); 2787MODULE_PARM_DESC(unmap_alignment, "lowest aligned thin provisioning lba (def=0)");
2754MODULE_PARM_DESC(opt_blks, "optimal transfer length in block (def=64)"); 2788MODULE_PARM_DESC(unmap_granularity, "thin provisioning granularity in blocks (def=1)");
2755MODULE_PARM_DESC(lowest_aligned, "lowest aligned lba (def=0)");
2756MODULE_PARM_DESC(dix, "data integrity extensions mask (def=0)");
2757MODULE_PARM_DESC(dif, "data integrity field type: 0-3 (def=0)");
2758MODULE_PARM_DESC(guard, "protection checksum: 0=crc, 1=ip (def=0)");
2759MODULE_PARM_DESC(ato, "application tag ownership: 0=disk 1=host (def=1)");
2760MODULE_PARM_DESC(unmap_max_blocks, "max # of blocks can be unmapped in one cmd (def=0xffffffff)"); 2789MODULE_PARM_DESC(unmap_max_blocks, "max # of blocks can be unmapped in one cmd (def=0xffffffff)");
2761MODULE_PARM_DESC(unmap_max_desc, "max # of ranges that can be unmapped in one cmd (def=256)"); 2790MODULE_PARM_DESC(unmap_max_desc, "max # of ranges that can be unmapped in one cmd (def=256)");
2762MODULE_PARM_DESC(unmap_granularity, "thin provisioning granularity in blocks (def=1)"); 2791MODULE_PARM_DESC(virtual_gb, "virtual gigabyte size (def=0 -> use dev_size_mb)");
2763MODULE_PARM_DESC(unmap_alignment, "lowest aligned thin provisioning lba (def=0)"); 2792MODULE_PARM_DESC(vpd_use_hostno, "0 -> dev ids ignore hostno (def=1 -> unique dev ids)");
2764MODULE_PARM_DESC(tpu, "enable TP, support UNMAP command (def=0)"); 2793MODULE_PARM_DESC(write_same_length, "Maximum blocks per WRITE SAME cmd (def=0xffff)");
2765MODULE_PARM_DESC(tpws, "enable TP, support WRITE SAME(16) with UNMAP bit (def=0)");
2766 2794
2767static char sdebug_info[256]; 2795static char sdebug_info[256];
2768 2796
@@ -3150,7 +3178,7 @@ static ssize_t sdebug_map_show(struct device_driver *ddp, char *buf)
3150{ 3178{
3151 ssize_t count; 3179 ssize_t count;
3152 3180
3153 if (scsi_debug_tpu == 0 && scsi_debug_tpws == 0) 3181 if (!scsi_debug_lbp())
3154 return scnprintf(buf, PAGE_SIZE, "0-%u\n", 3182 return scnprintf(buf, PAGE_SIZE, "0-%u\n",
3155 sdebug_store_sectors); 3183 sdebug_store_sectors);
3156 3184
@@ -3333,8 +3361,8 @@ static int __init scsi_debug_init(void)
3333 memset(dif_storep, 0xff, dif_size); 3361 memset(dif_storep, 0xff, dif_size);
3334 } 3362 }
3335 3363
3336 /* Thin Provisioning */ 3364 /* Logical Block Provisioning */
3337 if (scsi_debug_tpu || scsi_debug_tpws) { 3365 if (scsi_debug_lbp()) {
3338 unsigned int map_bytes; 3366 unsigned int map_bytes;
3339 3367
3340 scsi_debug_unmap_max_blocks = 3368 scsi_debug_unmap_max_blocks =
@@ -3664,7 +3692,7 @@ int scsi_debug_queuecommand_lck(struct scsi_cmnd *SCpnt, done_funct_t done)
3664 errsts = resp_readcap16(SCpnt, devip); 3692 errsts = resp_readcap16(SCpnt, devip);
3665 else if (cmd[1] == SAI_GET_LBA_STATUS) { 3693 else if (cmd[1] == SAI_GET_LBA_STATUS) {
3666 3694
3667 if (scsi_debug_tpu == 0 && scsi_debug_tpws == 0) { 3695 if (scsi_debug_lbp() == 0) {
3668 mk_sense_buffer(devip, ILLEGAL_REQUEST, 3696 mk_sense_buffer(devip, ILLEGAL_REQUEST,
3669 INVALID_COMMAND_OPCODE, 0); 3697 INVALID_COMMAND_OPCODE, 0);
3670 errsts = check_condition_result; 3698 errsts = check_condition_result;
@@ -3775,8 +3803,10 @@ write:
3775 } 3803 }
3776 break; 3804 break;
3777 case WRITE_SAME_16: 3805 case WRITE_SAME_16:
3806 case WRITE_SAME:
3778 if (cmd[1] & 0x8) { 3807 if (cmd[1] & 0x8) {
3779 if (scsi_debug_tpws == 0) { 3808 if ((*cmd == WRITE_SAME_16 && scsi_debug_lbpws == 0) ||
3809 (*cmd == WRITE_SAME && scsi_debug_lbpws10 == 0)) {
3780 mk_sense_buffer(devip, ILLEGAL_REQUEST, 3810 mk_sense_buffer(devip, ILLEGAL_REQUEST,
3781 INVALID_FIELD_IN_CDB, 0); 3811 INVALID_FIELD_IN_CDB, 0);
3782 errsts = check_condition_result; 3812 errsts = check_condition_result;
@@ -3785,8 +3815,6 @@ write:
3785 } 3815 }
3786 if (errsts) 3816 if (errsts)
3787 break; 3817 break;
3788 /* fall through */
3789 case WRITE_SAME:
3790 errsts = check_readiness(SCpnt, 0, devip); 3818 errsts = check_readiness(SCpnt, 0, devip);
3791 if (errsts) 3819 if (errsts)
3792 break; 3820 break;
@@ -3798,7 +3826,7 @@ write:
3798 if (errsts) 3826 if (errsts)
3799 break; 3827 break;
3800 3828
3801 if (scsi_debug_unmap_max_desc == 0 || scsi_debug_tpu == 0) { 3829 if (scsi_debug_unmap_max_desc == 0 || scsi_debug_lbpu == 0) {
3802 mk_sense_buffer(devip, ILLEGAL_REQUEST, 3830 mk_sense_buffer(devip, ILLEGAL_REQUEST,
3803 INVALID_COMMAND_OPCODE, 0); 3831 INVALID_COMMAND_OPCODE, 0);
3804 errsts = check_condition_result; 3832 errsts = check_condition_result;
generated by cgit v1.2.2 (git 2.25.0) at 2024-12-25 13:17:55 -0500