mirror of https://gitee.com/openkylin/linux.git
scsi_debug: re-order file scope declarations
Group most defines together first; followed by struct definitions and then table and variable definitions. Normalize all function headers. [mkp: Corrected hex value in WP/DPOFUA MODE SENSE comment] Signed-off-by: Douglas Gilbert <dgilbert@interlog.com> Reviewed-by: Hannes Reinicke <hare@suse.de> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
Douglas Gilbert
Martin K. Petersen
parent
a10bc12af6
commit
fd32119b0d
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@ -95,7 +95,6 @@ static const char *sdebug_version_date = "20160422";
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/* Additional Sense Code Qualifier (ASCQ) */
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#define ACK_NAK_TO 0x3
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/* Default values for driver parameters */
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#define DEF_NUM_HOST 1
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#define DEF_NUM_TGTS 1
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@ -161,14 +160,14 @@ static const char *sdebug_version_date = "20160422";
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SDEBUG_OPT_DIF_ERR | SDEBUG_OPT_DIX_ERR | \
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SDEBUG_OPT_SHORT_TRANSFER)
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/* When "every_nth" > 0 then modulo "every_nth" commands:
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* - a no response is simulated if SDEBUG_OPT_TIMEOUT is set
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* - a missing response is simulated if SDEBUG_OPT_TIMEOUT is set
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* - a RECOVERED_ERROR is simulated on successful read and write
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* commands if SDEBUG_OPT_RECOVERED_ERR is set.
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* - a TRANSPORT_ERROR is simulated on successful read and write
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* commands if SDEBUG_OPT_TRANSPORT_ERR is set.
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*
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* When "every_nth" < 0 then after "- every_nth" commands:
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* - a no response is simulated if SDEBUG_OPT_TIMEOUT is set
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* - a missing response is simulated if SDEBUG_OPT_TIMEOUT is set
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* - a RECOVERED_ERROR is simulated on successful read and write
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* commands if SDEBUG_OPT_RECOVERED_ERR is set.
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* - a TRANSPORT_ERROR is simulated on successful read and write
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@ -178,7 +177,7 @@ static const char *sdebug_version_date = "20160422";
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* every_nth via sysfs).
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*/
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/* As indicated in SAM-5 and SPC-4 Unit Attentions (UAs)are returned in
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/* As indicated in SAM-5 and SPC-4 Unit Attentions (UAs) are returned in
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* priority order. In the subset implemented here lower numbers have higher
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* priority. The UA numbers should be a sequence starting from 0 with
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* SDEBUG_NUM_UAS being 1 higher than the highest numbered UA. */
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@ -218,7 +217,83 @@ static const char *sdebug_version_date = "20160422";
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#warning "Expect DEF_CMD_PER_LUN <= SCSI_DEBUG_CANQUEUE"
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#endif
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/* SCSI opcodes (first byte of cdb) mapped onto these indexes */
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#define F_D_IN 1
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#define F_D_OUT 2
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#define F_D_OUT_MAYBE 4 /* WRITE SAME, NDOB bit */
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#define F_D_UNKN 8
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#define F_RL_WLUN_OK 0x10
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#define F_SKIP_UA 0x20
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#define F_DELAY_OVERR 0x40
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#define F_SA_LOW 0x80 /* cdb byte 1, bits 4 to 0 */
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#define F_SA_HIGH 0x100 /* as used by variable length cdbs */
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#define F_INV_OP 0x200
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#define F_FAKE_RW 0x400
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#define F_M_ACCESS 0x800 /* media access */
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#define FF_RESPOND (F_RL_WLUN_OK | F_SKIP_UA | F_DELAY_OVERR)
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#define FF_DIRECT_IO (F_M_ACCESS | F_FAKE_RW)
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#define FF_SA (F_SA_HIGH | F_SA_LOW)
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#define SDEBUG_MAX_PARTS 4
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#define SCSI_DEBUG_MAX_CMD_LEN 32
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struct sdebug_dev_info {
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struct list_head dev_list;
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unsigned int channel;
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unsigned int target;
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u64 lun;
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struct sdebug_host_info *sdbg_host;
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unsigned long uas_bm[1];
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atomic_t num_in_q;
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char stopped; /* TODO: should be atomic */
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bool used;
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};
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struct sdebug_host_info {
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struct list_head host_list;
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struct Scsi_Host *shost;
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struct device dev;
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struct list_head dev_info_list;
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};
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#define to_sdebug_host(d) \
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container_of(d, struct sdebug_host_info, dev)
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struct sdebug_defer {
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struct hrtimer hrt;
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struct execute_work ew;
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int qa_indx;
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};
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struct sdebug_queued_cmd {
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/* in_use flagged by a bit in queued_in_use_bm[] */
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struct sdebug_defer *sd_dp;
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struct scsi_cmnd *a_cmnd;
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};
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struct sdebug_scmd_extra_t {
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bool inj_recovered;
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bool inj_transport;
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bool inj_dif;
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bool inj_dix;
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bool inj_short;
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};
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struct opcode_info_t {
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u8 num_attached; /* 0 if this is it (i.e. a leaf); use 0xff
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* for terminating element */
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u8 opcode; /* if num_attached > 0, preferred */
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u16 sa; /* service action */
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u32 flags; /* OR-ed set of SDEB_F_* */
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int (*pfp)(struct scsi_cmnd *, struct sdebug_dev_info *);
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const struct opcode_info_t *arrp; /* num_attached elements or NULL */
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u8 len_mask[16]; /* len=len_mask[0], then mask for cdb[1]... */
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/* ignore cdb bytes after position 15 */
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};
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/* SCSI opcodes (first byte of cdb) of interest mapped onto these indexes */
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enum sdeb_opcode_index {
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SDEB_I_INVALID_OPCODE = 0,
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SDEB_I_INQUIRY = 1,
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@ -273,7 +348,7 @@ static const unsigned char opcode_ind_arr[256] = {
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0, 0, 0, SDEB_I_XDWRITEREAD, 0, SDEB_I_MODE_SELECT, SDEB_I_RESERVE,
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SDEB_I_RELEASE,
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0, 0, SDEB_I_MODE_SENSE, 0, 0, 0, 0, 0,
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/* 0x60; 0x60->0x7d are reserved */
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/* 0x60; 0x60->0x7d are reserved, 0x7e is "extended cdb" */
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, SDEB_I_VARIABLE_LEN,
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@ -296,24 +371,6 @@ static const unsigned char opcode_ind_arr[256] = {
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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};
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#define F_D_IN 1
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#define F_D_OUT 2
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#define F_D_OUT_MAYBE 4 /* WRITE SAME, NDOB bit */
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#define F_D_UNKN 8
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#define F_RL_WLUN_OK 0x10
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#define F_SKIP_UA 0x20
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#define F_DELAY_OVERR 0x40
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#define F_SA_LOW 0x80 /* cdb byte 1, bits 4 to 0 */
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#define F_SA_HIGH 0x100 /* as used by variable length cdbs */
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#define F_INV_OP 0x200
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#define F_FAKE_RW 0x400
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#define F_M_ACCESS 0x800 /* media access */
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#define FF_RESPOND (F_RL_WLUN_OK | F_SKIP_UA | F_DELAY_OVERR)
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#define FF_DIRECT_IO (F_M_ACCESS | F_FAKE_RW)
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#define FF_SA (F_SA_HIGH | F_SA_LOW)
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struct sdebug_dev_info;
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static int resp_inquiry(struct scsi_cmnd *, struct sdebug_dev_info *);
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static int resp_report_luns(struct scsi_cmnd *, struct sdebug_dev_info *);
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static int resp_requests(struct scsi_cmnd *, struct sdebug_dev_info *);
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@ -336,18 +393,6 @@ static int resp_xdwriteread_10(struct scsi_cmnd *, struct sdebug_dev_info *);
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static int resp_comp_write(struct scsi_cmnd *, struct sdebug_dev_info *);
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static int resp_write_buffer(struct scsi_cmnd *, struct sdebug_dev_info *);
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struct opcode_info_t {
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u8 num_attached; /* 0 if this is it (i.e. a leaf); use 0xff
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* for terminating element */
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u8 opcode; /* if num_attached > 0, preferred */
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u16 sa; /* service action */
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u32 flags; /* OR-ed set of SDEB_F_* */
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int (*pfp)(struct scsi_cmnd *, struct sdebug_dev_info *);
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const struct opcode_info_t *arrp; /* num_attached elements or NULL */
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u8 len_mask[16]; /* len=len_mask[0], then mask for cdb[1]... */
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/* ignore cdb bytes after position 15 */
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};
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static const struct opcode_info_t msense_iarr[1] = {
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{0, 0x1a, 0, F_D_IN, NULL, NULL,
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{6, 0xe8, 0xff, 0xff, 0xff, 0xc7, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0} },
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@ -508,14 +553,6 @@ static const struct opcode_info_t opcode_info_arr[SDEB_I_LAST_ELEMENT + 1] = {
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{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0} },
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};
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struct sdebug_scmd_extra_t {
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bool inj_recovered;
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bool inj_transport;
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bool inj_dif;
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bool inj_dix;
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bool inj_short;
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};
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static int sdebug_add_host = DEF_NUM_HOST;
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static int sdebug_ato = DEF_ATO;
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static int sdebug_jdelay = DEF_JDELAY; /* if > 0 then unit is jiffies */
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@ -563,8 +600,6 @@ static atomic_t sdebug_cmnd_count;
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static atomic_t sdebug_completions;
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static atomic_t sdebug_a_tsf; /* counter of 'almost' TSFs */
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#define DEV_READONLY(TGT) (0)
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static unsigned int sdebug_store_sectors;
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static sector_t sdebug_capacity; /* in sectors */
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@ -574,58 +609,10 @@ static int sdebug_heads; /* heads per disk */
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static int sdebug_cylinders_per; /* cylinders per surface */
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static int sdebug_sectors_per; /* sectors per cylinder */
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#define SDEBUG_MAX_PARTS 4
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#define SCSI_DEBUG_MAX_CMD_LEN 32
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static unsigned int scsi_debug_lbp(void)
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{
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return 0 == sdebug_fake_rw &&
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(sdebug_lbpu || sdebug_lbpws || sdebug_lbpws10);
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}
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struct sdebug_dev_info {
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struct list_head dev_list;
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unsigned int channel;
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unsigned int target;
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u64 lun;
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struct sdebug_host_info *sdbg_host;
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unsigned long uas_bm[1];
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atomic_t num_in_q;
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char stopped; /* TODO: should be atomic */
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bool used;
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};
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struct sdebug_host_info {
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struct list_head host_list;
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struct Scsi_Host *shost;
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struct device dev;
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struct list_head dev_info_list;
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};
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#define to_sdebug_host(d) \
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container_of(d, struct sdebug_host_info, dev)
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static LIST_HEAD(sdebug_host_list);
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static DEFINE_SPINLOCK(sdebug_host_list_lock);
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struct sdebug_defer {
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struct hrtimer hrt;
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struct execute_work ew;
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int qa_indx;
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};
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struct sdebug_queued_cmd {
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/* in_use flagged by a bit in queued_in_use_bm[] */
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struct sdebug_defer *sd_dp;
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struct scsi_cmnd * a_cmnd;
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};
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static struct sdebug_queued_cmd queued_arr[SCSI_DEBUG_CANQUEUE];
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static unsigned long queued_in_use_bm[SCSI_DEBUG_CANQUEUE_WORDS];
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static unsigned char * fake_storep; /* ramdisk storage */
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static unsigned char *fake_storep; /* ramdisk storage */
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static struct sd_dif_tuple *dif_storep; /* protection info */
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static void *map_storep; /* provisioning map */
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@ -639,6 +626,9 @@ static int dix_writes;
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static int dix_reads;
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static int dif_errors;
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static struct sdebug_queued_cmd queued_arr[SCSI_DEBUG_CANQUEUE];
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static unsigned long queued_in_use_bm[SCSI_DEBUG_CANQUEUE_WORDS];
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static DEFINE_SPINLOCK(queued_arr_lock);
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static DEFINE_RWLOCK(atomic_rw);
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@ -661,13 +651,12 @@ static const int illegal_condition_result =
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static const int device_qfull_result =
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(DID_OK << 16) | (COMMAND_COMPLETE << 8) | SAM_STAT_TASK_SET_FULL;
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static unsigned char caching_pg[] = {0x8, 18, 0x14, 0, 0xff, 0xff, 0, 0,
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0xff, 0xff, 0xff, 0xff, 0x80, 0x14, 0, 0,
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0, 0, 0, 0};
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static unsigned char ctrl_m_pg[] = {0xa, 10, 2, 0, 0, 0, 0, 0,
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0, 0, 0x2, 0x4b};
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static unsigned char iec_m_pg[] = {0x1c, 0xa, 0x08, 0, 0, 0, 0, 0,
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0, 0, 0x0, 0x0};
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static unsigned int scsi_debug_lbp(void)
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{
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return 0 == sdebug_fake_rw &&
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(sdebug_lbpu || sdebug_lbpws || sdebug_lbpws10);
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}
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static void *fake_store(unsigned long long lba)
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{
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@ -683,9 +672,6 @@ static struct sd_dif_tuple *dif_store(sector_t sector)
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return dif_storep + sector;
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}
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static int sdebug_add_adapter(void);
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static void sdebug_remove_adapter(void);
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static void sdebug_max_tgts_luns(void)
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{
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struct sdebug_host_info *sdbg_host;
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@ -708,9 +694,9 @@ static void sdebug_max_tgts_luns(void)
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enum sdeb_cmd_data {SDEB_IN_DATA = 0, SDEB_IN_CDB = 1};
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/* Set in_bit to -1 to indicate no bit position of invalid field */
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static void
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mk_sense_invalid_fld(struct scsi_cmnd *scp, enum sdeb_cmd_data c_d,
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int in_byte, int in_bit)
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static void mk_sense_invalid_fld(struct scsi_cmnd *scp,
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enum sdeb_cmd_data c_d,
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int in_byte, int in_bit)
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{
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unsigned char *sbuff;
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u8 sks[4];
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@ -768,8 +754,7 @@ static void mk_sense_buffer(struct scsi_cmnd *scp, int key, int asc, int asq)
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my_name, key, asc, asq);
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}
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static void
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mk_sense_invalid_opcode(struct scsi_cmnd *scp)
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static void mk_sense_invalid_opcode(struct scsi_cmnd *scp)
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{
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mk_sense_buffer(scp, ILLEGAL_REQUEST, INVALID_OPCODE, 0);
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}
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@ -1385,6 +1370,9 @@ static int resp_inquiry(struct scsi_cmnd *scp, struct sdebug_dev_info *devip)
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return ret;
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}
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static unsigned char iec_m_pg[] = {0x1c, 0xa, 0x08, 0, 0, 0, 0, 0,
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0, 0, 0x0, 0x0};
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static int resp_requests(struct scsi_cmnd * scp,
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struct sdebug_dev_info * devip)
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{
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@ -1605,8 +1593,8 @@ static int resp_report_tgtpgs(struct scsi_cmnd * scp,
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return ret;
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}
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static int
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resp_rsup_opcodes(struct scsi_cmnd *scp, struct sdebug_dev_info *devip)
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static int resp_rsup_opcodes(struct scsi_cmnd *scp,
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struct sdebug_dev_info *devip)
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{
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bool rctd;
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u8 reporting_opts, req_opcode, sdeb_i, supp;
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@ -1756,8 +1744,8 @@ resp_rsup_opcodes(struct scsi_cmnd *scp, struct sdebug_dev_info *devip)
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return errsts;
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}
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static int
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resp_rsup_tmfs(struct scsi_cmnd *scp, struct sdebug_dev_info *devip)
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static int resp_rsup_tmfs(struct scsi_cmnd *scp,
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struct sdebug_dev_info *devip)
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{
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bool repd;
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u32 alloc_len, len;
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@ -1823,6 +1811,10 @@ static int resp_format_pg(unsigned char * p, int pcontrol, int target)
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return sizeof(format_pg);
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}
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static unsigned char caching_pg[] = {0x8, 18, 0x14, 0, 0xff, 0xff, 0, 0,
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0xff, 0xff, 0xff, 0xff, 0x80, 0x14, 0, 0,
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0, 0, 0, 0};
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static int resp_caching_pg(unsigned char * p, int pcontrol, int target)
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{ /* Caching page for mode_sense */
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unsigned char ch_caching_pg[] = {/* 0x8, 18, */ 0x4, 0, 0, 0, 0, 0,
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@ -1840,6 +1832,9 @@ static int resp_caching_pg(unsigned char * p, int pcontrol, int target)
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return sizeof(caching_pg);
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}
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static unsigned char ctrl_m_pg[] = {0xa, 10, 2, 0, 0, 0, 0, 0,
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0, 0, 0x2, 0x4b};
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static int resp_ctrl_m_pg(unsigned char * p, int pcontrol, int target)
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{ /* Control mode page for mode_sense */
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unsigned char ch_ctrl_m_pg[] = {/* 0xa, 10, */ 0x6, 0, 0, 0, 0, 0,
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@ -1938,8 +1933,8 @@ static int resp_sas_sha_m_spg(unsigned char * p, int pcontrol)
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#define SDEBUG_MAX_MSENSE_SZ 256
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static int
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resp_mode_sense(struct scsi_cmnd *scp, struct sdebug_dev_info *devip)
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static int resp_mode_sense(struct scsi_cmnd *scp,
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struct sdebug_dev_info *devip)
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{
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unsigned char dbd, llbaa;
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int pcontrol, pcode, subpcode, bd_len;
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@ -1970,7 +1965,7 @@ resp_mode_sense(struct scsi_cmnd *scp, struct sdebug_dev_info *devip)
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(devip->target * 1000) - 3;
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/* set DPOFUA bit for disks */
|
||||
if (0 == sdebug_ptype)
|
||||
dev_spec = (DEV_READONLY(target) ? 0x80 : 0x0) | 0x10;
|
||||
dev_spec = 0x10; /* would be 0x90 if read-only */
|
||||
else
|
||||
dev_spec = 0x0;
|
||||
if (msense_6) {
|
||||
|
|
@ -2081,8 +2076,8 @@ resp_mode_sense(struct scsi_cmnd *scp, struct sdebug_dev_info *devip)
|
|||
|
||||
#define SDEBUG_MAX_MSELECT_SZ 512
|
||||
|
||||
static int
|
||||
resp_mode_select(struct scsi_cmnd *scp, struct sdebug_dev_info *devip)
|
||||
static int resp_mode_select(struct scsi_cmnd *scp,
|
||||
struct sdebug_dev_info *devip)
|
||||
{
|
||||
int pf, sp, ps, md_len, bd_len, off, spf, pg_len;
|
||||
int param_len, res, mpage;
|
||||
|
|
@ -2280,8 +2275,8 @@ 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, u64 lba, u32 num,
|
||||
bool do_write)
|
||||
{
|
||||
int ret;
|
||||
u64 block, rest = 0;
|
||||
|
|
@ -2323,8 +2318,7 @@ do_device_access(struct scsi_cmnd *scmd, u64 lba, u32 num, bool do_write)
|
|||
/* If fake_store(lba,num) compares equal to arr(num), then copy top half of
|
||||
* arr into fake_store(lba,num) and return true. If comparison fails then
|
||||
* return false. */
|
||||
static bool
|
||||
comp_write_worker(u64 lba, u32 num, const u8 *arr)
|
||||
static bool comp_write_worker(u64 lba, u32 num, const u8 *arr)
|
||||
{
|
||||
bool res;
|
||||
u64 block, rest = 0;
|
||||
|
|
@ -2463,8 +2457,7 @@ static int prot_verify_read(struct scsi_cmnd *SCpnt, sector_t start_sec,
|
|||
return 0;
|
||||
}
|
||||
|
||||
static int
|
||||
resp_read_dt0(struct scsi_cmnd *scp, struct sdebug_dev_info *devip)
|
||||
static int resp_read_dt0(struct scsi_cmnd *scp, struct sdebug_dev_info *devip)
|
||||
{
|
||||
u8 *cmd = scp->cmnd;
|
||||
u64 lba;
|
||||
|
|
@ -2775,8 +2768,7 @@ static void unmap_region(sector_t lba, unsigned int len)
|
|||
}
|
||||
}
|
||||
|
||||
static int
|
||||
resp_write_dt0(struct scsi_cmnd *scp, struct sdebug_dev_info *devip)
|
||||
static int resp_write_dt0(struct scsi_cmnd *scp, struct sdebug_dev_info *devip)
|
||||
{
|
||||
u8 *cmd = scp->cmnd;
|
||||
u64 lba;
|
||||
|
|
@ -2893,9 +2885,8 @@ resp_write_dt0(struct scsi_cmnd *scp, struct sdebug_dev_info *devip)
|
|||
return 0;
|
||||
}
|
||||
|
||||
static int
|
||||
resp_write_same(struct scsi_cmnd *scp, u64 lba, u32 num, u32 ei_lba,
|
||||
bool unmap, bool ndob)
|
||||
static int resp_write_same(struct scsi_cmnd *scp, u64 lba, u32 num,
|
||||
u32 ei_lba, bool unmap, bool ndob)
|
||||
{
|
||||
unsigned long iflags;
|
||||
unsigned long long i;
|
||||
|
|
@ -2945,8 +2936,8 @@ resp_write_same(struct scsi_cmnd *scp, u64 lba, u32 num, u32 ei_lba,
|
|||
return 0;
|
||||
}
|
||||
|
||||
static int
|
||||
resp_write_same_10(struct scsi_cmnd *scp, struct sdebug_dev_info *devip)
|
||||
static int resp_write_same_10(struct scsi_cmnd *scp,
|
||||
struct sdebug_dev_info *devip)
|
||||
{
|
||||
u8 *cmd = scp->cmnd;
|
||||
u32 lba;
|
||||
|
|
@ -2970,8 +2961,8 @@ resp_write_same_10(struct scsi_cmnd *scp, struct sdebug_dev_info *devip)
|
|||
return resp_write_same(scp, lba, num, ei_lba, unmap, false);
|
||||
}
|
||||
|
||||
static int
|
||||
resp_write_same_16(struct scsi_cmnd *scp, struct sdebug_dev_info *devip)
|
||||
static int resp_write_same_16(struct scsi_cmnd *scp,
|
||||
struct sdebug_dev_info *devip)
|
||||
{
|
||||
u8 *cmd = scp->cmnd;
|
||||
u64 lba;
|
||||
|
|
@ -3001,8 +2992,8 @@ resp_write_same_16(struct scsi_cmnd *scp, struct sdebug_dev_info *devip)
|
|||
/* Note the mode field is in the same position as the (lower) service action
|
||||
* field. For the Report supported operation codes command, SPC-4 suggests
|
||||
* each mode of this command should be reported separately; for future. */
|
||||
static int
|
||||
resp_write_buffer(struct scsi_cmnd *scp, struct sdebug_dev_info *devip)
|
||||
static int resp_write_buffer(struct scsi_cmnd *scp,
|
||||
struct sdebug_dev_info *devip)
|
||||
{
|
||||
u8 *cmd = scp->cmnd;
|
||||
struct scsi_device *sdp = scp->device;
|
||||
|
|
@ -3047,8 +3038,8 @@ resp_write_buffer(struct scsi_cmnd *scp, struct sdebug_dev_info *devip)
|
|||
return 0;
|
||||
}
|
||||
|
||||
static int
|
||||
resp_comp_write(struct scsi_cmnd *scp, struct sdebug_dev_info *devip)
|
||||
static int resp_comp_write(struct scsi_cmnd *scp,
|
||||
struct sdebug_dev_info *devip)
|
||||
{
|
||||
u8 *cmd = scp->cmnd;
|
||||
u8 *arr;
|
||||
|
|
@ -3129,8 +3120,7 @@ struct unmap_block_desc {
|
|||
__be32 __reserved;
|
||||
};
|
||||
|
||||
static int
|
||||
resp_unmap(struct scsi_cmnd *scp, struct sdebug_dev_info *devip)
|
||||
static int resp_unmap(struct scsi_cmnd *scp, struct sdebug_dev_info *devip)
|
||||
{
|
||||
unsigned char *buf;
|
||||
struct unmap_block_desc *desc;
|
||||
|
|
@ -3188,8 +3178,8 @@ resp_unmap(struct scsi_cmnd *scp, struct sdebug_dev_info *devip)
|
|||
|
||||
#define SDEBUG_GET_LBA_STATUS_LEN 32
|
||||
|
||||
static int
|
||||
resp_get_lba_status(struct scsi_cmnd *scp, struct sdebug_dev_info *devip)
|
||||
static int resp_get_lba_status(struct scsi_cmnd *scp,
|
||||
struct sdebug_dev_info *devip)
|
||||
{
|
||||
u8 *cmd = scp->cmnd;
|
||||
u64 lba;
|
||||
|
|
@ -3323,8 +3313,8 @@ static int resp_xdwriteread(struct scsi_cmnd *scp, unsigned long long lba,
|
|||
return 0;
|
||||
}
|
||||
|
||||
static int
|
||||
resp_xdwriteread_10(struct scsi_cmnd *scp, struct sdebug_dev_info *devip)
|
||||
static int resp_xdwriteread_10(struct scsi_cmnd *scp,
|
||||
struct sdebug_dev_info *devip)
|
||||
{
|
||||
u8 *cmd = scp->cmnd;
|
||||
u64 lba;
|
||||
|
|
@ -3350,8 +3340,7 @@ resp_xdwriteread_10(struct scsi_cmnd *scp, struct sdebug_dev_info *devip)
|
|||
}
|
||||
|
||||
/* Queued command completions converge here. */
|
||||
static void
|
||||
sdebug_q_cmd_complete(struct sdebug_defer *sd_dp)
|
||||
static void sdebug_q_cmd_complete(struct sdebug_defer *sd_dp)
|
||||
{
|
||||
int qa_indx;
|
||||
int retiring = 0;
|
||||
|
|
@ -3409,8 +3398,7 @@ sdebug_q_cmd_complete(struct sdebug_defer *sd_dp)
|
|||
}
|
||||
|
||||
/* When high resolution timer goes off this function is called. */
|
||||
static enum hrtimer_restart
|
||||
sdebug_q_cmd_hrt_complete(struct hrtimer *timer)
|
||||
static enum hrtimer_restart sdebug_q_cmd_hrt_complete(struct hrtimer *timer)
|
||||
{
|
||||
struct sdebug_defer *sd_dp = container_of(timer, struct sdebug_defer,
|
||||
hrt);
|
||||
|
|
@ -3419,16 +3407,15 @@ sdebug_q_cmd_hrt_complete(struct hrtimer *timer)
|
|||
}
|
||||
|
||||
/* When work queue schedules work, it calls this function. */
|
||||
static void
|
||||
sdebug_q_cmd_wq_complete(struct work_struct *work)
|
||||
static void sdebug_q_cmd_wq_complete(struct work_struct *work)
|
||||
{
|
||||
struct sdebug_defer *sd_dp = container_of(work, struct sdebug_defer,
|
||||
ew.work);
|
||||
sdebug_q_cmd_complete(sd_dp);
|
||||
}
|
||||
|
||||
static struct sdebug_dev_info *
|
||||
sdebug_device_create(struct sdebug_host_info *sdbg_host, gfp_t flags)
|
||||
static struct sdebug_dev_info *sdebug_device_create(
|
||||
struct sdebug_host_info *sdbg_host, gfp_t flags)
|
||||
{
|
||||
struct sdebug_dev_info *devip;
|
||||
|
||||
|
|
@ -3794,9 +3781,8 @@ static void __init sdebug_build_parts(unsigned char *ramp,
|
|||
}
|
||||
}
|
||||
|
||||
static int
|
||||
schedule_resp(struct scsi_cmnd *cmnd, struct sdebug_dev_info *devip,
|
||||
int scsi_result, int delta_jiff)
|
||||
static int schedule_resp(struct scsi_cmnd *cmnd, struct sdebug_dev_info *devip,
|
||||
int scsi_result, int delta_jiff)
|
||||
{
|
||||
unsigned long iflags;
|
||||
int k, num_in_q, qdepth, inject;
|
||||
|
|
@ -4020,7 +4006,8 @@ static const char * scsi_debug_info(struct Scsi_Host * shp)
|
|||
}
|
||||
|
||||
/* 'echo <val> > /proc/scsi/scsi_debug/<host_id>' writes to opts */
|
||||
static int scsi_debug_write_info(struct Scsi_Host *host, char *buffer, int length)
|
||||
static int scsi_debug_write_info(struct Scsi_Host *host, char *buffer,
|
||||
int length)
|
||||
{
|
||||
char arr[16];
|
||||
int opts;
|
||||
|
|
@ -4124,7 +4111,7 @@ static ssize_t ndelay_show(struct device_driver *ddp, char *buf)
|
|||
/* Returns -EBUSY if ndelay is being changed and commands are queued */
|
||||
/* If > 0 and accepted then sdebug_jdelay is set to JDELAY_OVERRIDDEN */
|
||||
static ssize_t ndelay_store(struct device_driver *ddp, const char *buf,
|
||||
size_t count)
|
||||
size_t count)
|
||||
{
|
||||
unsigned long iflags;
|
||||
int ndelay, res, k;
|
||||
|
|
@ -4433,6 +4420,9 @@ static ssize_t add_host_show(struct device_driver *ddp, char *buf)
|
|||
return scnprintf(buf, PAGE_SIZE, "%d\n", sdebug_add_host);
|
||||
}
|
||||
|
||||
static int sdebug_add_adapter(void);
|
||||
static void sdebug_remove_adapter(void);
|
||||
|
||||
static ssize_t add_host_store(struct device_driver *ddp, const char *buf,
|
||||
size_t count)
|
||||
{
|
||||
|
|
@ -4902,8 +4892,7 @@ static void sdebug_remove_adapter(void)
|
|||
--sdebug_add_host;
|
||||
}
|
||||
|
||||
static int
|
||||
sdebug_change_qdepth(struct scsi_device *sdev, int qdepth)
|
||||
static int sdebug_change_qdepth(struct scsi_device *sdev, int qdepth)
|
||||
{
|
||||
int num_in_q = 0;
|
||||
unsigned long iflags;
|
||||
|
|
@ -4933,8 +4922,7 @@ sdebug_change_qdepth(struct scsi_device *sdev, int qdepth)
|
|||
return sdev->queue_depth;
|
||||
}
|
||||
|
||||
static int
|
||||
check_inject(struct scsi_cmnd *scp)
|
||||
static int check_inject(struct scsi_cmnd *scp)
|
||||
{
|
||||
struct sdebug_scmd_extra_t *ep = scsi_cmd_priv(scp);
|
||||
|
||||
|
|
@ -4965,8 +4953,8 @@ check_inject(struct scsi_cmnd *scp)
|
|||
return 0;
|
||||
}
|
||||
|
||||
static int
|
||||
scsi_debug_queuecommand(struct Scsi_Host *shost, struct scsi_cmnd *scp)
|
||||
static int scsi_debug_queuecommand(struct Scsi_Host *shost,
|
||||
struct scsi_cmnd *scp)
|
||||
{
|
||||
u8 sdeb_i;
|
||||
struct scsi_device *sdp = scp->device;
|
||||
|
|
|
|||
Loading…
Reference in New Issue