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Diffstat (limited to 'drivers/scsi/scsi_debug.c')
-rw-r--r--drivers/scsi/scsi_debug.c724
1 files changed, 513 insertions, 211 deletions
diff --git a/drivers/scsi/scsi_debug.c b/drivers/scsi/scsi_debug.c
index e4f037f0f38b..a5986dae9020 100644
--- a/drivers/scsi/scsi_debug.c
+++ b/drivers/scsi/scsi_debug.c
@@ -6,7 +6,7 @@
* anything out of the ordinary is seen.
* ^^^^^^^^^^^^^^^^^^^^^^^ Original ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
*
- * Copyright (C) 2001 - 2016 Douglas Gilbert
+ * Copyright (C) 2001 - 2017 Douglas Gilbert
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
@@ -61,8 +61,8 @@
#include "scsi_logging.h"
/* make sure inq_product_rev string corresponds to this version */
-#define SDEBUG_VERSION "1.86"
-static const char *sdebug_version_date = "20160430";
+#define SDEBUG_VERSION "0187" /* format to fit INQUIRY revision field */
+static const char *sdebug_version_date = "20171202";
#define MY_NAME "scsi_debug"
@@ -93,6 +93,7 @@ static const char *sdebug_version_date = "20160430";
#define MISCOMPARE_VERIFY_ASC 0x1d
#define MICROCODE_CHANGED_ASCQ 0x1 /* with TARGET_CHANGED_ASC */
#define MICROCODE_CHANGED_WO_RESET_ASCQ 0x16
+#define WRITE_ERROR_ASC 0xc
/* Additional Sense Code Qualifier (ASCQ) */
#define ACK_NAK_TO 0x3
@@ -105,6 +106,7 @@ static const char *sdebug_version_date = "20160430";
* (id 0) containing 1 logical unit (lun 0). That is 1 device.
*/
#define DEF_ATO 1
+#define DEF_CDB_LEN 10
#define DEF_JDELAY 1 /* if > 0 unit is a jiffy */
#define DEF_DEV_SIZE_MB 8
#define DEF_DIF 0
@@ -161,12 +163,14 @@ static const char *sdebug_version_date = "20160430";
#define SDEBUG_OPT_N_WCE 0x1000
#define SDEBUG_OPT_RESET_NOISE 0x2000
#define SDEBUG_OPT_NO_CDB_NOISE 0x4000
+#define SDEBUG_OPT_HOST_BUSY 0x8000
#define SDEBUG_OPT_ALL_NOISE (SDEBUG_OPT_NOISE | SDEBUG_OPT_Q_NOISE | \
SDEBUG_OPT_RESET_NOISE)
#define SDEBUG_OPT_ALL_INJECTING (SDEBUG_OPT_RECOVERED_ERR | \
SDEBUG_OPT_TRANSPORT_ERR | \
SDEBUG_OPT_DIF_ERR | SDEBUG_OPT_DIX_ERR | \
- SDEBUG_OPT_SHORT_TRANSFER)
+ SDEBUG_OPT_SHORT_TRANSFER | \
+ SDEBUG_OPT_HOST_BUSY)
/* When "every_nth" > 0 then modulo "every_nth" commands:
* - a missing response is simulated if SDEBUG_OPT_TIMEOUT is set
* - a RECOVERED_ERROR is simulated on successful read and write
@@ -232,7 +236,7 @@ static const char *sdebug_version_date = "20160430";
#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
@@ -263,12 +267,18 @@ struct sdebug_host_info {
#define to_sdebug_host(d) \
container_of(d, struct sdebug_host_info, dev)
+enum sdeb_defer_type {SDEB_DEFER_NONE = 0, SDEB_DEFER_HRT = 1,
+ SDEB_DEFER_WQ = 2};
+
struct sdebug_defer {
struct hrtimer hrt;
struct execute_work ew;
int sqa_idx; /* index of sdebug_queue array */
int qc_idx; /* index of sdebug_queued_cmd array within sqa_idx */
int issuing_cpu;
+ bool init_hrt;
+ bool init_wq;
+ enum sdeb_defer_type defer_t;
};
struct sdebug_queued_cmd {
@@ -282,6 +292,7 @@ struct sdebug_queued_cmd {
unsigned int inj_dif:1;
unsigned int inj_dix:1;
unsigned int inj_short:1;
+ unsigned int inj_host_busy:1;
};
struct sdebug_queue {
@@ -304,8 +315,8 @@ struct opcode_info_t {
u32 flags; /* OR-ed set of SDEB_F_* */
int (*pfp)(struct scsi_cmnd *, struct sdebug_dev_info *);
const struct opcode_info_t *arrp; /* num_attached elements or NULL */
- u8 len_mask[16]; /* len=len_mask[0], then mask for cdb[1]... */
- /* ignore cdb bytes after position 15 */
+ u8 len_mask[16]; /* len_mask[0]-->cdb_len, then mask for cdb */
+ /* 1 to min(cdb_len, 15); ignore cdb[15...] */
};
/* SCSI opcodes (first byte of cdb) of interest mapped onto these indexes */
@@ -322,12 +333,12 @@ 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), WR_SCAT(32) */
SDEB_I_RESERVE = 18, /* 6, 10 */
SDEB_I_RELEASE = 19, /* 6, 10 */
SDEB_I_ALLOW_REMOVAL = 20, /* PREVENT ALLOW MEDIUM REMOVAL */
@@ -340,7 +351,7 @@ enum sdeb_opcode_index {
SDEB_I_WRITE_SAME = 27, /* 10, 16 */
SDEB_I_SYNC_CACHE = 28, /* 10 only */
SDEB_I_COMP_WRITE = 29,
- SDEB_I_LAST_ELEMENT = 30, /* keep this last */
+ SDEB_I_LAST_ELEMENT = 30, /* keep this last (previous + 1) */
};
@@ -372,12 +383,12 @@ 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 */
@@ -396,6 +407,7 @@ static int resp_log_sense(struct scsi_cmnd *, struct sdebug_dev_info *);
static int resp_readcap(struct scsi_cmnd *, struct sdebug_dev_info *);
static int resp_read_dt0(struct scsi_cmnd *, struct sdebug_dev_info *);
static int resp_write_dt0(struct scsi_cmnd *, struct sdebug_dev_info *);
+static int resp_write_scat(struct scsi_cmnd *, struct sdebug_dev_info *);
static int resp_start_stop(struct scsi_cmnd *, struct sdebug_dev_info *);
static int resp_readcap16(struct scsi_cmnd *, struct sdebug_dev_info *);
static int resp_get_lba_status(struct scsi_cmnd *, struct sdebug_dev_info *);
@@ -409,72 +421,81 @@ 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) */
- {10, 0xff, 0xff, 0xff, 0xff, 0xff, 0x1f, 0xff, 0xff, 0xc7, 0, 0,
+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) */
- {12, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x9f,
+ {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, 0x1f, 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, 0x9f,
- 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,
- NULL, {32, 0xc7, 0, 0, 0, 0, 0x1f, 0x18, 0x0, 0xb, 0xfa,
+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) */
+ {0, 0x7f, 0x11, F_SA_HIGH | F_D_OUT | FF_MEDIA_IO, resp_write_scat,
+ NULL, {32, 0xc7, 0, 0, 0, 0, 0x3f, 0x18, 0x0, 0x11, 0xf8,
+ 0, 0xff, 0xff, 0x0, 0x0} }, /* WRITE SCATTERED(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, 0x1f, 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} },
};
@@ -484,57 +505,67 @@ 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, 0x9f, 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, 0x9f, 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 */
- {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(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, 0x9f, 0x12, F_SA_LOW | F_D_OUT | FF_MEDIA_IO, resp_write_scat,
+ NULL, {16, 0x12, 0xf9, 0x0, 0xff, 0xff, 0, 0, 0xff, 0xff, 0xff,
+ 0xff, 0xff, 0xff, 0xff, 0xc7} }, /* SA_OUT(16), WRITE SCAT(16) */
+ {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, 0x1f, 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 */
@@ -546,23 +577,25 @@ 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 */
- {10, 0x1, 0, 0, 0, 0, 0x1f, 0xff, 0xff, 0xc7, 0, 0, 0, 0, 0, 0} },
- {0, 0x53, 0, F_D_IN | F_D_OUT | FF_DIRECT_IO, resp_xdwriteread_10,
- NULL, {10, 0xff, 0xff, 0xff, 0xff, 0xff, 0x1f, 0xff, 0xff, 0xc7,
- 0, 0, 0, 0, 0, 0} },
+ {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} },
+/* 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} }, /* 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, 0x1f, 0xff,
- 0xff, 0xc7, 0, 0, 0, 0, 0, 0} },
- {0, 0x35, 0, F_DELAY_OVERR | FF_DIRECT_IO, NULL, NULL, /* SYNC_CACHE */
- {10, 0x7, 0xff, 0xff, 0xff, 0xff, 0x1f, 0xff, 0xff, 0xc7, 0, 0,
+ {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, 0x1f, 0xc7} }, /* COMPARE AND WRITE */
+ 0, 0xff, 0x3f, 0xc7} }, /* COMPARE AND WRITE */
/* 30 */
{0xff, 0, 0, 0, NULL, NULL, /* terminating element */
@@ -571,6 +604,7 @@ static const struct opcode_info_t opcode_info_arr[SDEB_I_LAST_ELEMENT + 1] = {
static int sdebug_add_host = DEF_NUM_HOST;
static int sdebug_ato = DEF_ATO;
+static int sdebug_cdb_len = DEF_CDB_LEN;
static int sdebug_jdelay = DEF_JDELAY; /* if > 0 then unit is jiffies */
static int sdebug_dev_size_mb = DEF_DEV_SIZE_MB;
static int sdebug_dif = DEF_DIF;
@@ -797,6 +831,61 @@ static int scsi_debug_ioctl(struct scsi_device *dev, int cmd, void __user *arg)
/* return -ENOTTY; // correct return but upsets fdisk */
}
+static void config_cdb_len(struct scsi_device *sdev)
+{
+ switch (sdebug_cdb_len) {
+ case 6: /* suggest 6 byte READ, WRITE and MODE SENSE/SELECT */
+ sdev->use_10_for_rw = false;
+ sdev->use_16_for_rw = false;
+ sdev->use_10_for_ms = false;
+ break;
+ case 10: /* suggest 10 byte RWs and 6 byte MODE SENSE/SELECT */
+ sdev->use_10_for_rw = true;
+ sdev->use_16_for_rw = false;
+ sdev->use_10_for_ms = false;
+ break;
+ case 12: /* suggest 10 byte RWs and 10 byte MODE SENSE/SELECT */
+ sdev->use_10_for_rw = true;
+ sdev->use_16_for_rw = false;
+ sdev->use_10_for_ms = true;
+ break;
+ case 16:
+ sdev->use_10_for_rw = false;
+ sdev->use_16_for_rw = true;
+ sdev->use_10_for_ms = true;
+ break;
+ case 32: /* No knobs to suggest this so same as 16 for now */
+ sdev->use_10_for_rw = false;
+ sdev->use_16_for_rw = true;
+ sdev->use_10_for_ms = true;
+ break;
+ default:
+ pr_warn("unexpected cdb_len=%d, force to 10\n",
+ sdebug_cdb_len);
+ sdev->use_10_for_rw = true;
+ sdev->use_16_for_rw = false;
+ sdev->use_10_for_ms = false;
+ sdebug_cdb_len = 10;
+ break;
+ }
+}
+
+static void all_config_cdb_len(void)
+{
+ struct sdebug_host_info *sdbg_host;
+ struct Scsi_Host *shost;
+ struct scsi_device *sdev;
+
+ spin_lock(&sdebug_host_list_lock);
+ list_for_each_entry(sdbg_host, &sdebug_host_list, host_list) {
+ shost = sdbg_host->shost;
+ shost_for_each_device(sdev, shost) {
+ config_cdb_len(sdev);
+ }
+ }
+ spin_unlock(&sdebug_host_list_lock);
+}
+
static void clear_luns_changed_on_target(struct sdebug_dev_info *devip)
{
struct sdebug_host_info *sdhp;
@@ -955,7 +1044,7 @@ static int fetch_to_dev_buffer(struct scsi_cmnd *scp, unsigned char *arr,
static char sdebug_inq_vendor_id[9] = "Linux ";
static char sdebug_inq_product_id[17] = "scsi_debug ";
-static char sdebug_inq_product_rev[5] = "0186"; /* version less '.' */
+static char sdebug_inq_product_rev[5] = SDEBUG_VERSION;
/* Use some locally assigned NAAs for SAS addresses. */
static const u64 naa3_comp_a = 0x3222222000000000ULL;
static const u64 naa3_comp_b = 0x3333333000000000ULL;
@@ -1411,6 +1500,8 @@ static int resp_inquiry(struct scsi_cmnd *scp, struct sdebug_dev_info *devip)
memcpy(&arr[8], sdebug_inq_vendor_id, 8);
memcpy(&arr[16], sdebug_inq_product_id, 16);
memcpy(&arr[32], sdebug_inq_product_rev, 4);
+ /* Use Vendor Specific area to place driver date in ASCII hex */
+ memcpy(&arr[36], sdebug_version_date, 8);
/* version descriptors (2 bytes each) follow */
put_unaligned_be16(0xc0, arr + 58); /* SAM-6 no version claimed */
put_unaligned_be16(0x5c0, arr + 60); /* SPC-5 no version claimed */
@@ -1900,7 +1991,7 @@ static unsigned char ctrl_m_pg[] = {0xa, 10, 2, 0, 0, 0, 0, 0,
static int resp_ctrl_m_pg(unsigned char * p, int pcontrol, int target)
{ /* Control mode page for mode_sense */
unsigned char ch_ctrl_m_pg[] = {/* 0xa, 10, */ 0x6, 0, 0, 0, 0, 0,
- 0, 0, 0, 0};
+ 0, 0, 0, 0};
unsigned char d_ctrl_m_pg[] = {0xa, 10, 2, 0, 0, 0, 0, 0,
0, 0, 0x2, 0x4b};
@@ -2077,13 +2168,13 @@ static int resp_mode_sense(struct scsi_cmnd *scp,
len = resp_disconnect_pg(ap, pcontrol, target);
offset += len;
break;
- case 0x3: /* Format device page, direct access */
+ case 0x3: /* Format device page, direct access */
if (is_disk) {
len = resp_format_pg(ap, pcontrol, target);
offset += len;
} else
bad_pcode = true;
- break;
+ break;
case 0x8: /* Caching page, direct access */
if (is_disk) {
len = resp_caching_pg(ap, pcontrol, target);
@@ -2099,7 +2190,7 @@ static int resp_mode_sense(struct scsi_cmnd *scp,
if ((subpcode > 0x2) && (subpcode < 0xff)) {
mk_sense_invalid_fld(scp, SDEB_IN_CDB, 3, -1);
return check_condition_result;
- }
+ }
len = 0;
if ((0x0 == subpcode) || (0xff == subpcode))
len += resp_sas_sf_m_pg(ap + len, pcontrol, target);
@@ -2136,7 +2227,7 @@ static int resp_mode_sense(struct scsi_cmnd *scp,
} else {
mk_sense_invalid_fld(scp, SDEB_IN_CDB, 3, -1);
return check_condition_result;
- }
+ }
break;
default:
bad_pcode = true;
@@ -2172,8 +2263,8 @@ static int resp_mode_select(struct scsi_cmnd *scp,
mk_sense_invalid_fld(scp, SDEB_IN_CDB, mselect6 ? 4 : 7, -1);
return check_condition_result;
}
- res = fetch_to_dev_buffer(scp, arr, param_len);
- if (-1 == res)
+ res = fetch_to_dev_buffer(scp, arr, param_len);
+ if (-1 == res)
return DID_ERROR << 16;
else if (sdebug_verbose && (res < param_len))
sdev_printk(KERN_INFO, scp->device,
@@ -2239,8 +2330,8 @@ static int resp_temp_l_pg(unsigned char * arr)
0x0, 0x1, 0x3, 0x2, 0x0, 65,
};
- memcpy(arr, temp_l_pg, sizeof(temp_l_pg));
- return sizeof(temp_l_pg);
+ memcpy(arr, temp_l_pg, sizeof(temp_l_pg));
+ return sizeof(temp_l_pg);
}
static int resp_ie_l_pg(unsigned char * arr)
@@ -2248,18 +2339,18 @@ static int resp_ie_l_pg(unsigned char * arr)
unsigned char ie_l_pg[] = {0x0, 0x0, 0x3, 0x3, 0x0, 0x0, 38,
};
- memcpy(arr, ie_l_pg, sizeof(ie_l_pg));
+ memcpy(arr, ie_l_pg, sizeof(ie_l_pg));
if (iec_m_pg[2] & 0x4) { /* TEST bit set */
arr[4] = THRESHOLD_EXCEEDED;
arr[5] = 0xff;
}
- return sizeof(ie_l_pg);
+ return sizeof(ie_l_pg);
}
#define SDEBUG_MAX_LSENSE_SZ 512
-static int resp_log_sense(struct scsi_cmnd * scp,
- struct sdebug_dev_info * devip)
+static int resp_log_sense(struct scsi_cmnd *scp,
+ struct sdebug_dev_info *devip)
{
int ppc, sp, pcode, subpcode, alloc_len, len, n;
unsigned char arr[SDEBUG_MAX_LSENSE_SZ];
@@ -2353,8 +2444,8 @@ static int check_device_access_params(struct scsi_cmnd *scp,
}
/* Returns number of bytes copied or -1 if error. */
-static int do_device_access(struct scsi_cmnd *scmd, u64 lba, u32 num,
- bool do_write)
+static int do_device_access(struct scsi_cmnd *scmd, u32 sg_skip, u64 lba,
+ u32 num, bool do_write)
{
int ret;
u64 block, rest = 0;
@@ -2380,14 +2471,15 @@ static int do_device_access(struct scsi_cmnd *scmd, u64 lba, u32 num,
ret = sg_copy_buffer(sdb->table.sgl, sdb->table.nents,
fake_storep + (block * sdebug_sector_size),
- (num - rest) * sdebug_sector_size, 0, do_write);
+ (num - rest) * sdebug_sector_size, sg_skip, do_write);
if (ret != (num - rest) * sdebug_sector_size)
return ret;
if (rest) {
ret += sg_copy_buffer(sdb->table.sgl, sdb->table.nents,
fake_storep, rest * sdebug_sector_size,
- (num - rest) * sdebug_sector_size, do_write);
+ sg_skip + ((num - rest) * sdebug_sector_size),
+ do_write);
}
return ret;
@@ -2648,7 +2740,7 @@ static int resp_read_dt0(struct scsi_cmnd *scp, struct sdebug_dev_info *devip)
}
}
- ret = do_device_access(scp, lba, num, false);
+ ret = do_device_access(scp, 0, lba, num, false);
read_unlock_irqrestore(&atomic_rw, iflags);
if (unlikely(ret == -1))
return DID_ERROR << 16;
@@ -2936,7 +3028,7 @@ static int resp_write_dt0(struct scsi_cmnd *scp, struct sdebug_dev_info *devip)
}
}
- ret = do_device_access(scp, lba, num, true);
+ ret = do_device_access(scp, 0, lba, num, true);
if (unlikely(scsi_debug_lbp()))
map_region(lba, num);
write_unlock_irqrestore(&atomic_rw, iflags);
@@ -2970,6 +3062,173 @@ static int resp_write_dt0(struct scsi_cmnd *scp, struct sdebug_dev_info *devip)
return 0;
}
+/*
+ * T10 has only specified WRITE SCATTERED(16) and WRITE SCATTERED(32).
+ * No READ GATHERED yet (requires bidi or long cdb holding gather list).
+ */
+static int resp_write_scat(struct scsi_cmnd *scp,
+ struct sdebug_dev_info *devip)
+{
+ u8 *cmd = scp->cmnd;
+ u8 *lrdp = NULL;
+ u8 *up;
+ u8 wrprotect;
+ u16 lbdof, num_lrd, k;
+ u32 num, num_by, bt_len, lbdof_blen, sg_off, cum_lb;
+ u32 lb_size = sdebug_sector_size;
+ u32 ei_lba;
+ u64 lba;
+ unsigned long iflags;
+ int ret, res;
+ bool is_16;
+ static const u32 lrd_size = 32; /* + parameter list header size */
+
+ if (cmd[0] == VARIABLE_LENGTH_CMD) {
+ is_16 = false;
+ wrprotect = (cmd[10] >> 5) & 0x7;
+ lbdof = get_unaligned_be16(cmd + 12);
+ num_lrd = get_unaligned_be16(cmd + 16);
+ bt_len = get_unaligned_be32(cmd + 28);
+ } else { /* that leaves WRITE SCATTERED(16) */
+ is_16 = true;
+ wrprotect = (cmd[2] >> 5) & 0x7;
+ lbdof = get_unaligned_be16(cmd + 4);
+ num_lrd = get_unaligned_be16(cmd + 8);
+ bt_len = get_unaligned_be32(cmd + 10);
+ if (unlikely(have_dif_prot)) {
+ if (sdebug_dif == T10_PI_TYPE2_PROTECTION &&
+ wrprotect) {
+ mk_sense_invalid_opcode(scp);
+ return illegal_condition_result;
+ }
+ if ((sdebug_dif == T10_PI_TYPE1_PROTECTION ||
+ sdebug_dif == T10_PI_TYPE3_PROTECTION) &&
+ wrprotect == 0)
+ sdev_printk(KERN_ERR, scp->device,
+ "Unprotected WR to DIF device\n");
+ }
+ }
+ if ((num_lrd == 0) || (bt_len == 0))
+ return 0; /* T10 says these do-nothings are not errors */
+ if (lbdof == 0) {
+ if (sdebug_verbose)
+ sdev_printk(KERN_INFO, scp->device,
+ "%s: %s: LB Data Offset field bad\n",
+ my_name, __func__);
+ mk_sense_buffer(scp, ILLEGAL_REQUEST, INVALID_FIELD_IN_CDB, 0);
+ return illegal_condition_result;
+ }
+ lbdof_blen = lbdof * lb_size;
+ if ((lrd_size + (num_lrd * lrd_size)) > lbdof_blen) {
+ if (sdebug_verbose)
+ sdev_printk(KERN_INFO, scp->device,
+ "%s: %s: LBA range descriptors don't fit\n",
+ my_name, __func__);
+ mk_sense_buffer(scp, ILLEGAL_REQUEST, INVALID_FIELD_IN_CDB, 0);
+ return illegal_condition_result;
+ }
+ lrdp = kzalloc(lbdof_blen, GFP_ATOMIC);
+ if (lrdp == NULL)
+ return SCSI_MLQUEUE_HOST_BUSY;
+ if (sdebug_verbose)
+ sdev_printk(KERN_INFO, scp->device,
+ "%s: %s: Fetch header+scatter_list, lbdof_blen=%u\n",
+ my_name, __func__, lbdof_blen);
+ res = fetch_to_dev_buffer(scp, lrdp, lbdof_blen);
+ if (res == -1) {
+ ret = DID_ERROR << 16;
+ goto err_out;
+ }
+
+ write_lock_irqsave(&atomic_rw, iflags);
+ sg_off = lbdof_blen;
+ /* Spec says Buffer xfer Length field in number of LBs in dout */
+ cum_lb = 0;
+ for (k = 0, up = lrdp + lrd_size; k < num_lrd; ++k, up += lrd_size) {
+ lba = get_unaligned_be64(up + 0);
+ num = get_unaligned_be32(up + 8);
+ if (sdebug_verbose)
+ sdev_printk(KERN_INFO, scp->device,
+ "%s: %s: k=%d LBA=0x%llx num=%u sg_off=%u\n",
+ my_name, __func__, k, lba, num, sg_off);
+ if (num == 0)
+ continue;
+ ret = check_device_access_params(scp, lba, num);
+ if (ret)
+ goto err_out_unlock;
+ num_by = num * lb_size;
+ ei_lba = is_16 ? 0 : get_unaligned_be32(up + 12);
+
+ if ((cum_lb + num) > bt_len) {
+ if (sdebug_verbose)
+ sdev_printk(KERN_INFO, scp->device,
+ "%s: %s: sum of blocks > data provided\n",
+ my_name, __func__);
+ mk_sense_buffer(scp, ILLEGAL_REQUEST, WRITE_ERROR_ASC,
+ 0);
+ ret = illegal_condition_result;
+ goto err_out_unlock;
+ }
+
+ /* DIX + T10 DIF */
+ if (unlikely(sdebug_dix && scsi_prot_sg_count(scp))) {
+ int prot_ret = prot_verify_write(scp, lba, num,
+ ei_lba);
+
+ if (prot_ret) {
+ mk_sense_buffer(scp, ILLEGAL_REQUEST, 0x10,
+ prot_ret);
+ ret = illegal_condition_result;
+ goto err_out_unlock;
+ }
+ }
+
+ ret = do_device_access(scp, sg_off, lba, num, true);
+ if (unlikely(scsi_debug_lbp()))
+ map_region(lba, num);
+ if (unlikely(-1 == ret)) {
+ ret = DID_ERROR << 16;
+ goto err_out_unlock;
+ } else if (unlikely(sdebug_verbose && (ret < num_by)))
+ sdev_printk(KERN_INFO, scp->device,
+ "%s: write: cdb indicated=%u, IO sent=%d bytes\n",
+ my_name, num_by, ret);
+
+ if (unlikely(sdebug_any_injecting_opt)) {
+ struct sdebug_queued_cmd *sqcp =
+ (struct sdebug_queued_cmd *)scp->host_scribble;
+
+ if (sqcp) {
+ if (sqcp->inj_recovered) {
+ mk_sense_buffer(scp, RECOVERED_ERROR,
+ THRESHOLD_EXCEEDED, 0);
+ ret = illegal_condition_result;
+ goto err_out_unlock;
+ } else if (sqcp->inj_dif) {
+ /* Logical block guard check failed */
+ mk_sense_buffer(scp, ABORTED_COMMAND,
+ 0x10, 1);
+ ret = illegal_condition_result;
+ goto err_out_unlock;
+ } else if (sqcp->inj_dix) {
+ mk_sense_buffer(scp, ILLEGAL_REQUEST,
+ 0x10, 1);
+ ret = illegal_condition_result;
+ goto err_out_unlock;
+ }
+ }
+ }
+ sg_off += num_by;
+ cum_lb += num;
+ }
+ ret = 0;
+err_out_unlock:
+ write_unlock_irqrestore(&atomic_rw, iflags);
+err_out:
+ kfree(lrdp);
+ return ret;
+}
+
static int resp_write_same(struct scsi_cmnd *scp, u64 lba, u32 num,
u32 ei_lba, bool unmap, bool ndob)
{
@@ -3177,7 +3436,7 @@ static int resp_comp_write(struct scsi_cmnd *scp,
* from data-in into arr. Safe (atomic) since write_lock held. */
fake_storep_hold = fake_storep;
fake_storep = arr;
- ret = do_device_access(scp, 0, dnum, true);
+ ret = do_device_access(scp, 0, 0, dnum, true);
fake_storep = fake_storep_hold;
if (ret == -1) {
retval = DID_ERROR << 16;
@@ -3495,6 +3754,7 @@ static void sdebug_q_cmd_complete(struct sdebug_defer *sd_dp)
struct scsi_cmnd *scp;
struct sdebug_dev_info *devip;
+ sd_dp->defer_t = SDEB_DEFER_NONE;
qc_idx = sd_dp->qc_idx;
sqp = sdebug_q_arr + sd_dp->sqa_idx;
if (sdebug_statistics) {
@@ -3603,12 +3863,12 @@ static struct sdebug_dev_info *find_build_dev_info(struct scsi_device *sdev)
if (!sdbg_host) {
pr_err("Host info NULL\n");
return NULL;
- }
+ }
list_for_each_entry(devip, &sdbg_host->dev_info_list, dev_list) {
if ((devip->used) && (devip->channel == sdev->channel) &&
- (devip->target == sdev->id) &&
- (devip->lun == sdev->lun))
- return devip;
+ (devip->target == sdev->id) &&
+ (devip->lun == sdev->lun))
+ return devip;
else {
if ((!devip->used) && (!open_devip))
open_devip = devip;
@@ -3660,6 +3920,7 @@ static int scsi_debug_slave_configure(struct scsi_device *sdp)
blk_queue_max_segment_size(sdp->request_queue, -1U);
if (sdebug_no_uld)
sdp->no_uld_attach = 1;
+ config_cdb_len(sdp);
return 0;
}
@@ -3678,13 +3939,14 @@ static void scsi_debug_slave_destroy(struct scsi_device *sdp)
}
}
-static void stop_qc_helper(struct sdebug_defer *sd_dp)
+static void stop_qc_helper(struct sdebug_defer *sd_dp,
+ enum sdeb_defer_type defer_t)
{
if (!sd_dp)
return;
- if ((sdebug_jdelay > 0) || (sdebug_ndelay > 0))
+ if (defer_t == SDEB_DEFER_HRT)
hrtimer_cancel(&sd_dp->hrt);
- else if (sdebug_jdelay < 0)
+ else if (defer_t == SDEB_DEFER_WQ)
cancel_work_sync(&sd_dp->ew.work);
}
@@ -3694,6 +3956,7 @@ static bool stop_queued_cmnd(struct scsi_cmnd *cmnd)
{
unsigned long iflags;
int j, k, qmax, r_qmax;
+ enum sdeb_defer_type l_defer_t;
struct sdebug_queue *sqp;
struct sdebug_queued_cmd *sqcp;
struct sdebug_dev_info *devip;
@@ -3717,8 +3980,13 @@ static bool stop_queued_cmnd(struct scsi_cmnd *cmnd)
atomic_dec(&devip->num_in_q);
sqcp->a_cmnd = NULL;
sd_dp = sqcp->sd_dp;
+ if (sd_dp) {
+ l_defer_t = sd_dp->defer_t;
+ sd_dp->defer_t = SDEB_DEFER_NONE;
+ } else
+ l_defer_t = SDEB_DEFER_NONE;
spin_unlock_irqrestore(&sqp->qc_lock, iflags);
- stop_qc_helper(sd_dp);
+ stop_qc_helper(sd_dp, l_defer_t);
clear_bit(k, sqp->in_use_bm);
return true;
}
@@ -3733,6 +4001,7 @@ static void stop_all_queued(void)
{
unsigned long iflags;
int j, k;
+ enum sdeb_defer_type l_defer_t;
struct sdebug_queue *sqp;
struct sdebug_queued_cmd *sqcp;
struct sdebug_dev_info *devip;
@@ -3751,8 +4020,13 @@ static void stop_all_queued(void)
atomic_dec(&devip->num_in_q);
sqcp->a_cmnd = NULL;
sd_dp = sqcp->sd_dp;
+ if (sd_dp) {
+ l_defer_t = sd_dp->defer_t;
+ sd_dp->defer_t = SDEB_DEFER_NONE;
+ } else
+ l_defer_t = SDEB_DEFER_NONE;
spin_unlock_irqrestore(&sqp->qc_lock, iflags);
- stop_qc_helper(sd_dp);
+ stop_qc_helper(sd_dp, l_defer_t);
clear_bit(k, sqp->in_use_bm);
spin_lock_irqsave(&sqp->qc_lock, iflags);
}
@@ -3848,8 +4122,8 @@ static int scsi_debug_bus_reset(struct scsi_cmnd * SCpnt)
{
struct sdebug_host_info *sdbg_host;
struct sdebug_dev_info *devip;
- struct scsi_device * sdp;
- struct Scsi_Host * hp;
+ struct scsi_device *sdp;
+ struct Scsi_Host *hp;
int k = 0;
++num_bus_resets;
@@ -3863,7 +4137,7 @@ static int scsi_debug_bus_reset(struct scsi_cmnd * SCpnt)
sdbg_host = *(struct sdebug_host_info **)shost_priv(hp);
if (sdbg_host) {
list_for_each_entry(devip,
- &sdbg_host->dev_info_list,
+ &sdbg_host->dev_info_list,
dev_list) {
set_bit(SDEBUG_UA_BUS_RESET, devip->uas_bm);
++k;
@@ -3886,15 +4160,15 @@ static int scsi_debug_host_reset(struct scsi_cmnd * SCpnt)
++num_host_resets;
if ((SCpnt->device) && (SDEBUG_OPT_ALL_NOISE & sdebug_opts))
sdev_printk(KERN_INFO, SCpnt->device, "%s\n", __func__);
- spin_lock(&sdebug_host_list_lock);
- list_for_each_entry(sdbg_host, &sdebug_host_list, host_list) {
+ spin_lock(&sdebug_host_list_lock);
+ list_for_each_entry(sdbg_host, &sdebug_host_list, host_list) {
list_for_each_entry(devip, &sdbg_host->dev_info_list,
dev_list) {
set_bit(SDEBUG_UA_BUS_RESET, devip->uas_bm);
++k;
}
- }
- spin_unlock(&sdebug_host_list_lock);
+ }
+ spin_unlock(&sdebug_host_list_lock);
stop_all_queued();
if (SDEBUG_OPT_RESET_NOISE & sdebug_opts)
sdev_printk(KERN_INFO, SCpnt->device,
@@ -3921,7 +4195,7 @@ static void __init sdebug_build_parts(unsigned char *ramp,
sectors_per_part = (num_sectors - sdebug_sectors_per)
/ sdebug_num_parts;
heads_by_sects = sdebug_heads * sdebug_sectors_per;
- starts[0] = sdebug_sectors_per;
+ starts[0] = sdebug_sectors_per;
for (k = 1; k < sdebug_num_parts; ++k)
starts[k] = ((k * sectors_per_part) / heads_by_sects)
* heads_by_sects;
@@ -3995,6 +4269,7 @@ static void setup_inject(struct sdebug_queue *sqp,
sqcp->inj_dif = !!(SDEBUG_OPT_DIF_ERR & sdebug_opts);
sqcp->inj_dix = !!(SDEBUG_OPT_DIX_ERR & sdebug_opts);
sqcp->inj_short = !!(SDEBUG_OPT_SHORT_TRANSFER & sdebug_opts);
+ sqcp->inj_host_busy = !!(SDEBUG_OPT_HOST_BUSY & sdebug_opts);
}
/* Complete the processing of the thread that queued a SCSI command to this
@@ -4003,7 +4278,7 @@ static void setup_inject(struct sdebug_queue *sqp,
* SCSI_MLQUEUE_HOST_BUSY if temporarily out of resources.
*/
static int schedule_resp(struct scsi_cmnd *cmnd, struct sdebug_dev_info *devip,
- int scsi_result, int delta_jiff)
+ int scsi_result, int delta_jiff, int ndelay)
{
unsigned long iflags;
int k, num_in_q, qdepth, inject;
@@ -4081,20 +4356,20 @@ static int schedule_resp(struct scsi_cmnd *cmnd, struct sdebug_dev_info *devip,
spin_unlock_irqrestore(&sqp->qc_lock, iflags);
if (unlikely(sdebug_every_nth && sdebug_any_injecting_opt))
setup_inject(sqp, sqcp);
- if (delta_jiff > 0 || sdebug_ndelay > 0) {
+ if (sd_dp == NULL) {
+ sd_dp = kzalloc(sizeof(*sd_dp), GFP_ATOMIC);
+ if (sd_dp == NULL)
+ return SCSI_MLQUEUE_HOST_BUSY;
+ }
+ if (delta_jiff > 0 || ndelay > 0) {
ktime_t kt;
if (delta_jiff > 0) {
- struct timespec ts;
-
- jiffies_to_timespec(delta_jiff, &ts);
- kt = ktime_set(ts.tv_sec, ts.tv_nsec);
+ kt = ns_to_ktime((u64)delta_jiff * (NSEC_PER_SEC / HZ));
} else
- kt = sdebug_ndelay;
- if (NULL == sd_dp) {
- sd_dp = kzalloc(sizeof(*sd_dp), GFP_ATOMIC);
- if (NULL == sd_dp)
- return SCSI_MLQUEUE_HOST_BUSY;
+ kt = ndelay;
+ if (!sd_dp->init_hrt) {
+ sd_dp->init_hrt = true;
sqcp->sd_dp = sd_dp;
hrtimer_init(&sd_dp->hrt, CLOCK_MONOTONIC,
HRTIMER_MODE_REL_PINNED);
@@ -4104,12 +4379,11 @@ static int schedule_resp(struct scsi_cmnd *cmnd, struct sdebug_dev_info *devip,
}
if (sdebug_statistics)
sd_dp->issuing_cpu = raw_smp_processor_id();
+ sd_dp->defer_t = SDEB_DEFER_HRT;
hrtimer_start(&sd_dp->hrt, kt, HRTIMER_MODE_REL_PINNED);
} else { /* jdelay < 0, use work queue */
- if (NULL == sd_dp) {
- sd_dp = kzalloc(sizeof(*sqcp->sd_dp), GFP_ATOMIC);
- if (NULL == sd_dp)
- return SCSI_MLQUEUE_HOST_BUSY;
+ if (!sd_dp->init_wq) {
+ sd_dp->init_wq = true;
sqcp->sd_dp = sd_dp;
sd_dp->sqa_idx = sqp - sdebug_q_arr;
sd_dp->qc_idx = k;
@@ -4117,6 +4391,7 @@ static int schedule_resp(struct scsi_cmnd *cmnd, struct sdebug_dev_info *devip,
}
if (sdebug_statistics)
sd_dp->issuing_cpu = raw_smp_processor_id();
+ sd_dp->defer_t = SDEB_DEFER_WQ;
schedule_work(&sd_dp->ew.work);
}
if (unlikely((SDEBUG_OPT_Q_NOISE & sdebug_opts) &&
@@ -4141,6 +4416,7 @@ respond_in_thread: /* call back to mid-layer using invocation thread */
*/
module_param_named(add_host, sdebug_add_host, int, S_IRUGO | S_IWUSR);
module_param_named(ato, sdebug_ato, int, S_IRUGO);
+module_param_named(cdb_len, sdebug_cdb_len, int, 0644);
module_param_named(clustering, sdebug_clustering, bool, S_IRUGO | S_IWUSR);
module_param_named(delay, sdebug_jdelay, int, S_IRUGO | S_IWUSR);
module_param_named(dev_size_mb, sdebug_dev_size_mb, int, S_IRUGO);
@@ -4198,6 +4474,7 @@ MODULE_VERSION(SDEBUG_VERSION);
MODULE_PARM_DESC(add_host, "0..127 hosts allowed(def=1)");
MODULE_PARM_DESC(ato, "application tag ownership: 0=disk 1=host (def=1)");
+MODULE_PARM_DESC(cdb_len, "suggest CDB lengths to drivers (def=10)");
MODULE_PARM_DESC(clustering, "when set enables larger transfers (def=0)");
MODULE_PARM_DESC(delay, "response delay (def=1 jiffy); 0:imm, -1,-2:tiny");
MODULE_PARM_DESC(dev_size_mb, "size in MiB of ram shared by devs(def=8)");
@@ -4210,7 +4487,8 @@ MODULE_PARM_DESC(guard, "protection checksum: 0=crc, 1=ip (def=0)");
MODULE_PARM_DESC(host_lock, "host_lock is ignored (def=0)");
MODULE_PARM_DESC(inq_vendor, "SCSI INQUIRY vendor string (def=\"Linux\")");
MODULE_PARM_DESC(inq_product, "SCSI INQUIRY product string (def=\"scsi_debug\")");
-MODULE_PARM_DESC(inq_rev, "SCSI INQUIRY revision string (def=\"0186\")");
+MODULE_PARM_DESC(inq_rev, "SCSI INQUIRY revision string (def=\""
+ SDEBUG_VERSION "\")");
MODULE_PARM_DESC(lbpu, "enable LBP, support UNMAP command (def=0)");
MODULE_PARM_DESC(lbpws, "enable LBP, support WRITE SAME(16) with UNMAP bit (def=0)");
MODULE_PARM_DESC(lbpws10, "enable LBP, support WRITE SAME(10) with UNMAP bit (def=0)");
@@ -4360,9 +4638,6 @@ static ssize_t delay_store(struct device_driver *ddp, const char *buf,
}
}
if (res > 0) {
- /* make sure sdebug_defer instances get
- * re-allocated for new delay variant */
- free_all_queued();
sdebug_jdelay = jdelay;
sdebug_ndelay = 0;
}
@@ -4403,9 +4678,6 @@ static ssize_t ndelay_store(struct device_driver *ddp, const char *buf,
}
}
if (res > 0) {
- /* make sure sdebug_defer instances get
- * re-allocated for new delay variant */
- free_all_queued();
sdebug_ndelay = ndelay;
sdebug_jdelay = ndelay ? JDELAY_OVERRIDDEN
: DEF_JDELAY;
@@ -4426,15 +4698,15 @@ static ssize_t opts_show(struct device_driver *ddp, char *buf)
static ssize_t opts_store(struct device_driver *ddp, const char *buf,
size_t count)
{
- int opts;
+ int opts;
char work[20];
- if (1 == sscanf(buf, "%10s", work)) {
- if (0 == strncasecmp(work,"0x", 2)) {
- if (1 == sscanf(&work[2], "%x", &opts))
+ if (sscanf(buf, "%10s", work) == 1) {
+ if (strncasecmp(work, "0x", 2) == 0) {
+ if (kstrtoint(work + 2, 16, &opts) == 0)
goto opts_done;
} else {
- if (1 == sscanf(work, "%d", &opts))
+ if (kstrtoint(work, 10, &opts) == 0)
goto opts_done;
}
}
@@ -4455,7 +4727,7 @@ static ssize_t ptype_show(struct device_driver *ddp, char *buf)
static ssize_t ptype_store(struct device_driver *ddp, const char *buf,
size_t count)
{
- int n;
+ int n;
if ((count > 0) && (1 == sscanf(buf, "%d", &n)) && (n >= 0)) {
sdebug_ptype = n;
@@ -4472,7 +4744,7 @@ static ssize_t dsense_show(struct device_driver *ddp, char *buf)
static ssize_t dsense_store(struct device_driver *ddp, const char *buf,
size_t count)
{
- int n;
+ int n;
if ((count > 0) && (1 == sscanf(buf, "%d", &n)) && (n >= 0)) {
sdebug_dsense = n;
@@ -4489,7 +4761,7 @@ static ssize_t fake_rw_show(struct device_driver *ddp, char *buf)
static ssize_t fake_rw_store(struct device_driver *ddp, const char *buf,
size_t count)
{
- int n;
+ int n;
if ((count > 0) && (1 == sscanf(buf, "%d", &n)) && (n >= 0)) {
n = (n > 0);
@@ -4522,7 +4794,7 @@ static ssize_t no_lun_0_show(struct device_driver *ddp, char *buf)
static ssize_t no_lun_0_store(struct device_driver *ddp, const char *buf,
size_t count)
{
- int n;
+ int n;
if ((count > 0) && (1 == sscanf(buf, "%d", &n)) && (n >= 0)) {
sdebug_no_lun_0 = n;
@@ -4539,7 +4811,7 @@ static ssize_t num_tgts_show(struct device_driver *ddp, char *buf)
static ssize_t num_tgts_store(struct device_driver *ddp, const char *buf,
size_t count)
{
- int n;
+ int n;
if ((count > 0) && (1 == sscanf(buf, "%d", &n)) && (n >= 0)) {
sdebug_num_tgts = n;
@@ -4569,7 +4841,7 @@ static ssize_t every_nth_show(struct device_driver *ddp, char *buf)
static ssize_t every_nth_store(struct device_driver *ddp, const char *buf,
size_t count)
{
- int nth;
+ int nth;
if ((count > 0) && (1 == sscanf(buf, "%d", &nth))) {
sdebug_every_nth = nth;
@@ -4591,7 +4863,7 @@ static ssize_t max_luns_show(struct device_driver *ddp, char *buf)
static ssize_t max_luns_store(struct device_driver *ddp, const char *buf,
size_t count)
{
- int n;
+ int n;
bool changed;
if ((count > 0) && (1 == sscanf(buf, "%d", &n)) && (n >= 0)) {
@@ -4678,7 +4950,7 @@ static ssize_t virtual_gb_show(struct device_driver *ddp, char *buf)
static ssize_t virtual_gb_store(struct device_driver *ddp, const char *buf,
size_t count)
{
- int n;
+ int n;
bool changed;
if ((count > 0) && (1 == sscanf(buf, "%d", &n)) && (n >= 0)) {
@@ -4884,6 +5156,24 @@ static ssize_t uuid_ctl_show(struct device_driver *ddp, char *buf)
}
static DRIVER_ATTR_RO(uuid_ctl);
+static ssize_t cdb_len_show(struct device_driver *ddp, char *buf)
+{
+ return scnprintf(buf, PAGE_SIZE, "%d\n", sdebug_cdb_len);
+}
+static ssize_t cdb_len_store(struct device_driver *ddp, const char *buf,
+ size_t count)
+{
+ int ret, n;
+
+ ret = kstrtoint(buf, 0, &n);
+ if (ret)
+ return ret;
+ sdebug_cdb_len = n;
+ all_config_cdb_len();
+ return count;
+}
+static DRIVER_ATTR_RW(cdb_len);
+
/* Note: The following array creates attribute files in the
/sys/bus/pseudo/drivers/scsi_debug directory. The advantage of these
@@ -4923,6 +5213,7 @@ static struct attribute *sdebug_drv_attrs[] = {
&driver_attr_ndelay.attr,
&driver_attr_strict.attr,
&driver_attr_uuid_ctl.attr,
+ &driver_attr_cdb_len.attr,
NULL,
};
ATTRIBUTE_GROUPS(sdebug_drv);
@@ -5113,12 +5404,12 @@ static int __init scsi_debug_init(void)
host_to_add = sdebug_add_host;
sdebug_add_host = 0;
- for (k = 0; k < host_to_add; k++) {
- if (sdebug_add_adapter()) {
+ for (k = 0; k < host_to_add; k++) {
+ if (sdebug_add_adapter()) {
pr_err("sdebug_add_adapter failed k=%d\n", k);
- break;
- }
- }
+ break;
+ }
+ }
if (sdebug_verbose)
pr_info("built %d host(s)\n", sdebug_add_host);
@@ -5161,53 +5452,53 @@ module_exit(scsi_debug_exit);
static void sdebug_release_adapter(struct device * dev)
{
- struct sdebug_host_info *sdbg_host;
+ struct sdebug_host_info *sdbg_host;
sdbg_host = to_sdebug_host(dev);
- kfree(sdbg_host);
+ kfree(sdbg_host);
}
static int sdebug_add_adapter(void)
{
int k, devs_per_host;
- int error = 0;
- struct sdebug_host_info *sdbg_host;
+ int error = 0;
+ struct sdebug_host_info *sdbg_host;
struct sdebug_dev_info *sdbg_devinfo, *tmp;
- sdbg_host = kzalloc(sizeof(*sdbg_host),GFP_KERNEL);
- if (NULL == sdbg_host) {
+ sdbg_host = kzalloc(sizeof(*sdbg_host), GFP_KERNEL);
+ if (sdbg_host == NULL) {
pr_err("out of memory at line %d\n", __LINE__);
- return -ENOMEM;
- }
+ return -ENOMEM;
+ }
- INIT_LIST_HEAD(&sdbg_host->dev_info_list);
+ INIT_LIST_HEAD(&sdbg_host->dev_info_list);
devs_per_host = sdebug_num_tgts * sdebug_max_luns;
- for (k = 0; k < devs_per_host; k++) {
+ for (k = 0; k < devs_per_host; k++) {
sdbg_devinfo = sdebug_device_create(sdbg_host, GFP_KERNEL);
if (!sdbg_devinfo) {
pr_err("out of memory at line %d\n", __LINE__);
- error = -ENOMEM;
+ error = -ENOMEM;
goto clean;
- }
- }
+ }
+ }
- spin_lock(&sdebug_host_list_lock);
- list_add_tail(&sdbg_host->host_list, &sdebug_host_list);
- spin_unlock(&sdebug_host_list_lock);
+ spin_lock(&sdebug_host_list_lock);
+ list_add_tail(&sdbg_host->host_list, &sdebug_host_list);
+ spin_unlock(&sdebug_host_list_lock);
- sdbg_host->dev.bus = &pseudo_lld_bus;
- sdbg_host->dev.parent = pseudo_primary;
- sdbg_host->dev.release = &sdebug_release_adapter;
+ sdbg_host->dev.bus = &pseudo_lld_bus;
+ sdbg_host->dev.parent = pseudo_primary;
+ sdbg_host->dev.release = &sdebug_release_adapter;
dev_set_name(&sdbg_host->dev, "adapter%d", sdebug_add_host);
- error = device_register(&sdbg_host->dev);
+ error = device_register(&sdbg_host->dev);
- if (error)
+ if (error)
goto clean;
++sdebug_add_host;
- return error;
+ return error;
clean:
list_for_each_entry_safe(sdbg_devinfo, tmp, &sdbg_host->dev_info_list,
@@ -5217,20 +5508,20 @@ clean:
}
kfree(sdbg_host);
- return error;
+ return error;
}
static void sdebug_remove_adapter(void)
{
- struct sdebug_host_info * sdbg_host = NULL;
+ struct sdebug_host_info *sdbg_host = NULL;
- spin_lock(&sdebug_host_list_lock);
- if (!list_empty(&sdebug_host_list)) {
- sdbg_host = list_entry(sdebug_host_list.prev,
- struct sdebug_host_info, host_list);
+ spin_lock(&sdebug_host_list_lock);
+ if (!list_empty(&sdebug_host_list)) {
+ sdbg_host = list_entry(sdebug_host_list.prev,
+ struct sdebug_host_info, host_list);
list_del(&sdbg_host->host_list);
}
- spin_unlock(&sdebug_host_list_lock);
+ spin_unlock(&sdebug_host_list_lock);
if (!sdbg_host)
return;
@@ -5281,6 +5572,12 @@ static bool fake_timeout(struct scsi_cmnd *scp)
return false;
}
+static bool fake_host_busy(struct scsi_cmnd *scp)
+{
+ return (sdebug_opts & SDEBUG_OPT_HOST_BUSY) &&
+ (atomic_read(&sdebug_cmnd_count) % abs(sdebug_every_nth)) == 0;
+}
+
static int scsi_debug_queuecommand(struct Scsi_Host *shost,
struct scsi_cmnd *scp)
{
@@ -5323,6 +5620,8 @@ static int scsi_debug_queuecommand(struct Scsi_Host *shost,
sdev_printk(KERN_INFO, sdp, "%s: cmd %s\n", my_name,
b);
}
+ if (fake_host_busy(scp))
+ return SCSI_MLQUEUE_HOST_BUSY;
has_wlun_rl = (sdp->lun == SCSI_W_LUN_REPORT_LUNS);
if (unlikely((sdp->lun >= sdebug_max_luns) && !has_wlun_rl))
goto err_out;
@@ -5420,12 +5719,15 @@ static int scsi_debug_queuecommand(struct Scsi_Host *shost,
errsts = r_pfp(scp, devip);
fini:
- return schedule_resp(scp, devip, errsts,
- ((F_DELAY_OVERR & flags) ? 0 : sdebug_jdelay));
+ if (F_DELAY_OVERR & flags)
+ return schedule_resp(scp, devip, errsts, 0, 0);
+ else
+ return schedule_resp(scp, devip, errsts, sdebug_jdelay,
+ sdebug_ndelay);
check_cond:
- return schedule_resp(scp, devip, check_condition_result, 0);
+ return schedule_resp(scp, devip, check_condition_result, 0, 0);
err_out:
- return schedule_resp(scp, NULL, DID_NO_CONNECT << 16, 0);
+ return schedule_resp(scp, NULL, DID_NO_CONNECT << 16, 0, 0);
}
static struct scsi_host_template sdebug_driver_template = {
@@ -5484,7 +5786,7 @@ static int sdebug_driver_probe(struct device * dev)
if (sdebug_mq_active)
hpnt->nr_hw_queues = submit_queues;
- sdbg_host->shost = hpnt;
+ sdbg_host->shost = hpnt;
*((struct sdebug_host_info **)hpnt->hostdata) = sdbg_host;
if ((hpnt->this_id >= 0) && (sdebug_num_tgts > hpnt->this_id))
hpnt->max_id = sdebug_num_tgts + 1;
@@ -5542,12 +5844,12 @@ static int sdebug_driver_probe(struct device * dev)
sdebug_any_injecting_opt = !!(SDEBUG_OPT_ALL_INJECTING & sdebug_opts);
if (sdebug_every_nth) /* need stats counters for every_nth */
sdebug_statistics = true;
- error = scsi_add_host(hpnt, &sdbg_host->dev);
- if (error) {
+ error = scsi_add_host(hpnt, &sdbg_host->dev);
+ if (error) {
pr_err("scsi_add_host failed\n");
- error = -ENODEV;
+ error = -ENODEV;
scsi_host_put(hpnt);
- } else
+ } else
scsi_scan_host(hpnt);
return error;
@@ -5555,7 +5857,7 @@ static int sdebug_driver_probe(struct device * dev)
static int sdebug_driver_remove(struct device * dev)
{
- struct sdebug_host_info *sdbg_host;
+ struct sdebug_host_info *sdbg_host;
struct sdebug_dev_info *sdbg_devinfo, *tmp;
sdbg_host = to_sdebug_host(dev);
@@ -5565,16 +5867,16 @@ static int sdebug_driver_remove(struct device * dev)
return -ENODEV;
}
- scsi_remove_host(sdbg_host->shost);
+ scsi_remove_host(sdbg_host->shost);
list_for_each_entry_safe(sdbg_devinfo, tmp, &sdbg_host->dev_info_list,
dev_list) {
- list_del(&sdbg_devinfo->dev_list);
- kfree(sdbg_devinfo);
- }
+ list_del(&sdbg_devinfo->dev_list);
+ kfree(sdbg_devinfo);
+ }
- scsi_host_put(sdbg_host->shost);
- return 0;
+ scsi_host_put(sdbg_host->shost);
+ return 0;
}
static int pseudo_lld_bus_match(struct device *dev,
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-25 02:37:43 +0100