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path: root/drivers/scsi/constants.c
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Diffstat (limited to 'drivers/scsi/constants.c')
-rw-r--r--drivers/scsi/constants.c599
1 files changed, 244 insertions, 355 deletions
diff --git a/drivers/scsi/constants.c b/drivers/scsi/constants.c
index d35a5d6c8d7c..e2068a2621c4 100644
--- a/drivers/scsi/constants.c
+++ b/drivers/scsi/constants.c
@@ -21,15 +21,21 @@
/* Commands with service actions that change the command name */
-#define SERVICE_ACTION_IN_12 0xab
-#define SERVICE_ACTION_OUT_12 0xa9
-#define SERVICE_ACTION_BIDIRECTIONAL 0x9d
-#define SERVICE_ACTION_IN_16 0x9e
-#define SERVICE_ACTION_OUT_16 0x9f
#define THIRD_PARTY_COPY_OUT 0x83
#define THIRD_PARTY_COPY_IN 0x84
+#define VENDOR_SPECIFIC_CDB 0xc0
+struct sa_name_list {
+ int opcode;
+ const struct value_name_pair *arr;
+ int arr_sz;
+};
+
+struct value_name_pair {
+ int value;
+ const char * name;
+};
#ifdef CONFIG_SCSI_CONSTANTS
static const char * cdb_byte0_names[] = {
@@ -102,11 +108,6 @@ static const char * cdb_byte0_names[] = {
"Volume set (out), Send DVD structure",
};
-struct value_name_pair {
- int value;
- const char * name;
-};
-
static const struct value_name_pair maint_in_arr[] = {
{0x5, "Report identifying information"},
{0xa, "Report target port groups"},
@@ -244,170 +245,119 @@ static const struct value_name_pair variable_length_arr[] = {
};
#define VARIABLE_LENGTH_SZ ARRAY_SIZE(variable_length_arr)
-static const char * get_sa_name(const struct value_name_pair * arr,
- int arr_sz, int service_action)
-{
- int k;
+static struct sa_name_list sa_names_arr[] = {
+ {VARIABLE_LENGTH_CMD, variable_length_arr, VARIABLE_LENGTH_SZ},
+ {MAINTENANCE_IN, maint_in_arr, MAINT_IN_SZ},
+ {MAINTENANCE_OUT, maint_out_arr, MAINT_OUT_SZ},
+ {PERSISTENT_RESERVE_IN, pr_in_arr, PR_IN_SZ},
+ {PERSISTENT_RESERVE_OUT, pr_out_arr, PR_OUT_SZ},
+ {SERVICE_ACTION_IN_12, serv_in12_arr, SERV_IN12_SZ},
+ {SERVICE_ACTION_OUT_12, serv_out12_arr, SERV_OUT12_SZ},
+ {SERVICE_ACTION_BIDIRECTIONAL, serv_bidi_arr, SERV_BIDI_SZ},
+ {SERVICE_ACTION_IN_16, serv_in16_arr, SERV_IN16_SZ},
+ {SERVICE_ACTION_OUT_16, serv_out16_arr, SERV_OUT16_SZ},
+ {THIRD_PARTY_COPY_IN, tpc_in_arr, TPC_IN_SZ},
+ {THIRD_PARTY_COPY_OUT, tpc_out_arr, TPC_OUT_SZ},
+ {0, NULL, 0},
+};
- for (k = 0; k < arr_sz; ++k, ++arr) {
- if (service_action == arr->value)
- break;
- }
- return (k < arr_sz) ? arr->name : NULL;
-}
+#else /* ifndef CONFIG_SCSI_CONSTANTS */
+static const char *cdb_byte0_names[0];
+
+static struct sa_name_list sa_names_arr[] = {
+ {VARIABLE_LENGTH_CMD, NULL, 0},
+ {MAINTENANCE_IN, NULL, 0},
+ {MAINTENANCE_OUT, NULL, 0},
+ {PERSISTENT_RESERVE_IN, NULL, 0},
+ {PERSISTENT_RESERVE_OUT, NULL, 0},
+ {SERVICE_ACTION_IN_12, NULL, 0},
+ {SERVICE_ACTION_OUT_12, NULL, 0},
+ {SERVICE_ACTION_BIDIRECTIONAL, NULL, 0},
+ {SERVICE_ACTION_IN_16, NULL, 0},
+ {SERVICE_ACTION_OUT_16, NULL, 0},
+ {THIRD_PARTY_COPY_IN, NULL, 0},
+ {THIRD_PARTY_COPY_OUT, NULL, 0},
+ {0, NULL, 0},
+};
+#endif /* CONFIG_SCSI_CONSTANTS */
-/* attempt to guess cdb length if cdb_len==0 . No trailing linefeed. */
-static void print_opcode_name(unsigned char * cdbp, int cdb_len)
+static bool scsi_opcode_sa_name(int opcode, int service_action,
+ const char **cdb_name, const char **sa_name)
{
- int sa, len, cdb0;
- int fin_name = 0;
- const char * name;
+ struct sa_name_list *sa_name_ptr;
+ const struct value_name_pair *arr = NULL;
+ int arr_sz, k;
- cdb0 = cdbp[0];
- switch(cdb0) {
- case VARIABLE_LENGTH_CMD:
- len = scsi_varlen_cdb_length(cdbp);
- if (len < 10) {
- printk("short variable length command, "
- "len=%d ext_len=%d", len, cdb_len);
- break;
- }
- sa = (cdbp[8] << 8) + cdbp[9];
- name = get_sa_name(variable_length_arr, VARIABLE_LENGTH_SZ,
- sa);
- if (name)
- printk("%s", name);
- else
- printk("cdb[0]=0x%x, sa=0x%x", cdb0, sa);
+ *cdb_name = NULL;
+ if (opcode >= VENDOR_SPECIFIC_CDB)
+ return false;
- if ((cdb_len > 0) && (len != cdb_len))
- printk(", in_cdb_len=%d, ext_len=%d", len, cdb_len);
+ if (opcode < ARRAY_SIZE(cdb_byte0_names))
+ *cdb_name = cdb_byte0_names[opcode];
- break;
- case MAINTENANCE_IN:
- sa = cdbp[1] & 0x1f;
- name = get_sa_name(maint_in_arr, MAINT_IN_SZ, sa);
- fin_name = 1;
- break;
- case MAINTENANCE_OUT:
- sa = cdbp[1] & 0x1f;
- name = get_sa_name(maint_out_arr, MAINT_OUT_SZ, sa);
- fin_name = 1;
- break;
- case PERSISTENT_RESERVE_IN:
- sa = cdbp[1] & 0x1f;
- name = get_sa_name(pr_in_arr, PR_IN_SZ, sa);
- fin_name = 1;
- break;
- case PERSISTENT_RESERVE_OUT:
- sa = cdbp[1] & 0x1f;
- name = get_sa_name(pr_out_arr, PR_OUT_SZ, sa);
- fin_name = 1;
- break;
- case SERVICE_ACTION_IN_12:
- sa = cdbp[1] & 0x1f;
- name = get_sa_name(serv_in12_arr, SERV_IN12_SZ, sa);
- fin_name = 1;
- break;
- case SERVICE_ACTION_OUT_12:
- sa = cdbp[1] & 0x1f;
- name = get_sa_name(serv_out12_arr, SERV_OUT12_SZ, sa);
- fin_name = 1;
- break;
- case SERVICE_ACTION_BIDIRECTIONAL:
- sa = cdbp[1] & 0x1f;
- name = get_sa_name(serv_bidi_arr, SERV_BIDI_SZ, sa);
- fin_name = 1;
- break;
- case SERVICE_ACTION_IN_16:
- sa = cdbp[1] & 0x1f;
- name = get_sa_name(serv_in16_arr, SERV_IN16_SZ, sa);
- fin_name = 1;
- break;
- case SERVICE_ACTION_OUT_16:
- sa = cdbp[1] & 0x1f;
- name = get_sa_name(serv_out16_arr, SERV_OUT16_SZ, sa);
- fin_name = 1;
- break;
- case THIRD_PARTY_COPY_IN:
- sa = cdbp[1] & 0x1f;
- name = get_sa_name(tpc_in_arr, TPC_IN_SZ, sa);
- fin_name = 1;
- break;
- case THIRD_PARTY_COPY_OUT:
- sa = cdbp[1] & 0x1f;
- name = get_sa_name(tpc_out_arr, TPC_OUT_SZ, sa);
- fin_name = 1;
- break;
- default:
- if (cdb0 < 0xc0) {
- name = cdb_byte0_names[cdb0];
- if (name)
- printk("%s", name);
- else
- printk("cdb[0]=0x%x (reserved)", cdb0);
- } else
- printk("cdb[0]=0x%x (vendor)", cdb0);
- break;
+ for (sa_name_ptr = sa_names_arr; sa_name_ptr->arr; ++sa_name_ptr) {
+ if (sa_name_ptr->opcode == opcode) {
+ arr = sa_name_ptr->arr;
+ arr_sz = sa_name_ptr->arr_sz;
+ break;
+ }
}
- if (fin_name) {
- if (name)
- printk("%s", name);
- else
- printk("cdb[0]=0x%x, sa=0x%x", cdb0, sa);
+ if (!arr)
+ return false;
+
+ for (k = 0; k < arr_sz; ++k, ++arr) {
+ if (service_action == arr->value)
+ break;
}
-}
+ if (k < arr_sz)
+ *sa_name = arr->name;
-#else /* ifndef CONFIG_SCSI_CONSTANTS */
+ return true;
+}
-static void print_opcode_name(unsigned char * cdbp, int cdb_len)
+static void print_opcode_name(const unsigned char *cdbp, size_t cdb_len)
{
- int sa, len, cdb0;
+ int sa, cdb0;
+ const char *cdb_name = NULL, *sa_name = NULL;
cdb0 = cdbp[0];
- switch(cdb0) {
- case VARIABLE_LENGTH_CMD:
- len = scsi_varlen_cdb_length(cdbp);
- if (len < 10) {
- printk("short opcode=0x%x command, len=%d "
- "ext_len=%d", cdb0, len, cdb_len);
- break;
+ if (cdb0 == VARIABLE_LENGTH_CMD) {
+ if (cdb_len < 10) {
+ printk("short variable length command, len=%zu",
+ cdb_len);
+ return;
}
sa = (cdbp[8] << 8) + cdbp[9];
- printk("cdb[0]=0x%x, sa=0x%x", cdb0, sa);
- if (len != cdb_len)
- printk(", in_cdb_len=%d, ext_len=%d", len, cdb_len);
- break;
- case MAINTENANCE_IN:
- case MAINTENANCE_OUT:
- case PERSISTENT_RESERVE_IN:
- case PERSISTENT_RESERVE_OUT:
- case SERVICE_ACTION_IN_12:
- case SERVICE_ACTION_OUT_12:
- case SERVICE_ACTION_BIDIRECTIONAL:
- case SERVICE_ACTION_IN_16:
- case SERVICE_ACTION_OUT_16:
- case THIRD_PARTY_COPY_IN:
- case THIRD_PARTY_COPY_OUT:
+ } else
sa = cdbp[1] & 0x1f;
- printk("cdb[0]=0x%x, sa=0x%x", cdb0, sa);
- break;
- default:
- if (cdb0 < 0xc0)
+
+ if (!scsi_opcode_sa_name(cdb0, sa, &cdb_name, &sa_name)) {
+ if (cdb_name)
+ printk("%s", cdb_name);
+ else if (cdb0 >= VENDOR_SPECIFIC_CDB)
+ printk("cdb[0]=0x%x (vendor)", cdb0);
+ else if (cdb0 >= 0x60 && cdb0 < 0x7e)
+ printk("cdb[0]=0x%x (reserved)", cdb0);
+ else
printk("cdb[0]=0x%x", cdb0);
+ } else {
+ if (sa_name)
+ printk("%s", sa_name);
+ else if (cdb_name)
+ printk("%s, sa=0x%x", cdb_name, sa);
else
- printk("cdb[0]=0x%x (vendor)", cdb0);
- break;
+ printk("cdb[0]=0x%x, sa=0x%x", cdb0, sa);
}
}
-#endif
-void __scsi_print_command(unsigned char *cdb)
+void __scsi_print_command(const unsigned char *cdb, size_t cdb_len)
{
int k, len;
- print_opcode_name(cdb, 0);
+ print_opcode_name(cdb, cdb_len);
len = scsi_command_size(cdb);
+ if (cdb_len < len)
+ len = cdb_len;
/* print out all bytes in cdb */
for (k = 0; k < len; ++k)
printk(" %02x", cdb[k]);
@@ -433,41 +383,6 @@ void scsi_print_command(struct scsi_cmnd *cmd)
}
EXPORT_SYMBOL(scsi_print_command);
-/**
- * scsi_print_status - print scsi status description
- * @scsi_status: scsi status value
- *
- * If the status is recognized, the description is printed.
- * Otherwise "Unknown status" is output. No trailing space.
- * If CONFIG_SCSI_CONSTANTS is not set, then print status in hex
- * (e.g. "0x2" for Check Condition).
- **/
-void
-scsi_print_status(unsigned char scsi_status) {
-#ifdef CONFIG_SCSI_CONSTANTS
- const char * ccp;
-
- switch (scsi_status) {
- case 0: ccp = "Good"; break;
- case 0x2: ccp = "Check Condition"; break;
- case 0x4: ccp = "Condition Met"; break;
- case 0x8: ccp = "Busy"; break;
- case 0x10: ccp = "Intermediate"; break;
- case 0x14: ccp = "Intermediate-Condition Met"; break;
- case 0x18: ccp = "Reservation Conflict"; break;
- case 0x22: ccp = "Command Terminated"; break; /* obsolete */
- case 0x28: ccp = "Task set Full"; break; /* was: Queue Full */
- case 0x30: ccp = "ACA Active"; break;
- case 0x40: ccp = "Task Aborted"; break;
- default: ccp = "Unknown status";
- }
- printk(KERN_INFO "%s", ccp);
-#else
- printk(KERN_INFO "0x%0x", scsi_status);
-#endif
-}
-EXPORT_SYMBOL(scsi_print_status);
-
#ifdef CONFIG_SCSI_CONSTANTS
struct error_info {
@@ -1292,18 +1207,19 @@ static const struct error_info additional[] =
struct error_info2 {
unsigned char code1, code2_min, code2_max;
+ const char * str;
const char * fmt;
};
static const struct error_info2 additional2[] =
{
- {0x40, 0x00, 0x7f, "Ram failure (%x)"},
- {0x40, 0x80, 0xff, "Diagnostic failure on component (%x)"},
- {0x41, 0x00, 0xff, "Data path failure (%x)"},
- {0x42, 0x00, 0xff, "Power-on or self-test failure (%x)"},
- {0x4D, 0x00, 0xff, "Tagged overlapped commands (task tag %x)"},
- {0x70, 0x00, 0xff, "Decompression exception short algorithm id of %x"},
- {0, 0, 0, NULL}
+ {0x40, 0x00, 0x7f, "Ram failure", ""},
+ {0x40, 0x80, 0xff, "Diagnostic failure on component", ""},
+ {0x41, 0x00, 0xff, "Data path failure", ""},
+ {0x42, 0x00, 0xff, "Power-on or self-test failure", ""},
+ {0x4D, 0x00, 0xff, "Tagged overlapped commands", "task tag "},
+ {0x70, 0x00, 0xff, "Decompression exception", "short algorithm id of "},
+ {0, 0, 0, NULL, NULL}
};
/* description of the sense key values */
@@ -1349,69 +1265,79 @@ EXPORT_SYMBOL(scsi_sense_key_string);
* This string may contain a "%x" and should be printed with ascq as arg.
*/
const char *
-scsi_extd_sense_format(unsigned char asc, unsigned char ascq) {
+scsi_extd_sense_format(unsigned char asc, unsigned char ascq, const char **fmt)
+{
#ifdef CONFIG_SCSI_CONSTANTS
int i;
unsigned short code = ((asc << 8) | ascq);
+ *fmt = NULL;
for (i = 0; additional[i].text; i++)
if (additional[i].code12 == code)
return additional[i].text;
for (i = 0; additional2[i].fmt; i++) {
if (additional2[i].code1 == asc &&
ascq >= additional2[i].code2_min &&
- ascq <= additional2[i].code2_max)
- return additional2[i].fmt;
+ ascq <= additional2[i].code2_max) {
+ *fmt = additional2[i].fmt;
+ return additional2[i].str;
+ }
}
+#else
+ *fmt = NULL;
#endif
return NULL;
}
EXPORT_SYMBOL(scsi_extd_sense_format);
void
-scsi_show_extd_sense(unsigned char asc, unsigned char ascq)
+scsi_show_extd_sense(const struct scsi_device *sdev, const char *name,
+ unsigned char asc, unsigned char ascq)
{
- const char *extd_sense_fmt = scsi_extd_sense_format(asc, ascq);
-
- if (extd_sense_fmt) {
- if (strstr(extd_sense_fmt, "%x")) {
- printk("Add. Sense: ");
- printk(extd_sense_fmt, ascq);
- } else
- printk("Add. Sense: %s", extd_sense_fmt);
- } else {
- if (asc >= 0x80)
- printk("<<vendor>> ASC=0x%x ASCQ=0x%x", asc,
- ascq);
- if (ascq >= 0x80)
- printk("ASC=0x%x <<vendor>> ASCQ=0x%x", asc,
- ascq);
+ const char *extd_sense_fmt = NULL;
+ const char *extd_sense_str = scsi_extd_sense_format(asc, ascq,
+ &extd_sense_fmt);
+
+ if (extd_sense_str) {
+ if (extd_sense_fmt)
+ sdev_prefix_printk(KERN_INFO, sdev, name,
+ "Add. Sense: %s (%s%x)",
+ extd_sense_str, extd_sense_fmt,
+ ascq);
else
- printk("ASC=0x%x ASCQ=0x%x", asc, ascq);
- }
+ sdev_prefix_printk(KERN_INFO, sdev, name,
+ "Add. Sense: %s", extd_sense_str);
- printk("\n");
+ } else {
+ sdev_prefix_printk(KERN_INFO, sdev, name,
+ "%sASC=0x%x %sASCQ=0x%x\n",
+ asc >= 0x80 ? "<<vendor>> " : "", asc,
+ ascq >= 0x80 ? "<<vendor>> " : "", ascq);
+ }
}
EXPORT_SYMBOL(scsi_show_extd_sense);
void
-scsi_show_sense_hdr(struct scsi_sense_hdr *sshdr)
+scsi_show_sense_hdr(const struct scsi_device *sdev, const char *name,
+ const struct scsi_sense_hdr *sshdr)
{
const char *sense_txt;
sense_txt = scsi_sense_key_string(sshdr->sense_key);
if (sense_txt)
- printk("Sense Key : %s ", sense_txt);
+ sdev_prefix_printk(KERN_INFO, sdev, name,
+ "Sense Key : %s [%s]%s\n", sense_txt,
+ scsi_sense_is_deferred(sshdr) ?
+ "deferred" : "current",
+ sshdr->response_code >= 0x72 ?
+ " [descriptor]" : "");
else
- printk("Sense Key : 0x%x ", sshdr->sense_key);
-
- printk("%s", scsi_sense_is_deferred(sshdr) ? "[deferred] " :
- "[current] ");
-
- if (sshdr->response_code >= 0x72)
- printk("[descriptor]");
-
- printk("\n");
+ sdev_prefix_printk(KERN_INFO, sdev, name,
+ "Sense Key : 0x%x [%s]%s", sshdr->sense_key,
+ scsi_sense_is_deferred(sshdr) ?
+ "deferred" : "current",
+ sshdr->response_code >= 0x72 ?
+ " [descriptor]" : "");
}
EXPORT_SYMBOL(scsi_show_sense_hdr);
@@ -1419,141 +1345,55 @@ EXPORT_SYMBOL(scsi_show_sense_hdr);
* Print normalized SCSI sense header with a prefix.
*/
void
-scsi_print_sense_hdr(const char *name, struct scsi_sense_hdr *sshdr)
+scsi_print_sense_hdr(const struct scsi_device *sdev, const char *name,
+ const struct scsi_sense_hdr *sshdr)
{
- printk(KERN_INFO "%s: ", name);
- scsi_show_sense_hdr(sshdr);
- printk(KERN_INFO "%s: ", name);
- scsi_show_extd_sense(sshdr->asc, sshdr->ascq);
+ scsi_show_sense_hdr(sdev, name, sshdr);
+ scsi_show_extd_sense(sdev, name, sshdr->asc, sshdr->ascq);
}
EXPORT_SYMBOL(scsi_print_sense_hdr);
-/*
- * Print normalized SCSI sense header with device information and a prefix.
- */
-void
-scsi_cmd_print_sense_hdr(struct scsi_cmnd *scmd, const char *desc,
- struct scsi_sense_hdr *sshdr)
-{
- scmd_printk(KERN_INFO, scmd, "%s: ", desc);
- scsi_show_sense_hdr(sshdr);
- scmd_printk(KERN_INFO, scmd, "%s: ", desc);
- scsi_show_extd_sense(sshdr->asc, sshdr->ascq);
-}
-EXPORT_SYMBOL(scsi_cmd_print_sense_hdr);
-
static void
-scsi_decode_sense_buffer(const unsigned char *sense_buffer, int sense_len,
- struct scsi_sense_hdr *sshdr)
+scsi_dump_sense_buffer(const unsigned char *sense_buffer, int sense_len)
{
- int k, num, res;
-
- res = scsi_normalize_sense(sense_buffer, sense_len, sshdr);
- if (0 == res) {
- /* this may be SCSI-1 sense data */
- num = (sense_len < 32) ? sense_len : 32;
- printk("Unrecognized sense data (in hex):");
- for (k = 0; k < num; ++k) {
- if (0 == (k % 16)) {
- printk("\n");
- printk(KERN_INFO " ");
- }
- printk("%02x ", sense_buffer[k]);
+ int k, num;
+
+ num = (sense_len < 32) ? sense_len : 32;
+ printk("Unrecognized sense data (in hex):");
+ for (k = 0; k < num; ++k) {
+ if (0 == (k % 16)) {
+ printk("\n");
+ printk(KERN_INFO " ");
}
- printk("\n");
- return;
+ printk("%02x ", sense_buffer[k]);
}
-}
-
-static void
-scsi_decode_sense_extras(const unsigned char *sense_buffer, int sense_len,
- struct scsi_sense_hdr *sshdr)
-{
- int k, num, res;
-
- if (sshdr->response_code < 0x72)
- {
- /* only decode extras for "fixed" format now */
- char buff[80];
- int blen, fixed_valid;
- unsigned int info;
-
- fixed_valid = sense_buffer[0] & 0x80;
- info = ((sense_buffer[3] << 24) | (sense_buffer[4] << 16) |
- (sense_buffer[5] << 8) | sense_buffer[6]);
- res = 0;
- memset(buff, 0, sizeof(buff));
- blen = sizeof(buff) - 1;
- if (fixed_valid)
- res += snprintf(buff + res, blen - res,
- "Info fld=0x%x", info);
- if (sense_buffer[2] & 0x80) {
- /* current command has read a filemark */
- if (res > 0)
- res += snprintf(buff + res, blen - res, ", ");
- res += snprintf(buff + res, blen - res, "FMK");
- }
- if (sense_buffer[2] & 0x40) {
- /* end-of-medium condition exists */
- if (res > 0)
- res += snprintf(buff + res, blen - res, ", ");
- res += snprintf(buff + res, blen - res, "EOM");
- }
- if (sense_buffer[2] & 0x20) {
- /* incorrect block length requested */
- if (res > 0)
- res += snprintf(buff + res, blen - res, ", ");
- res += snprintf(buff + res, blen - res, "ILI");
- }
- if (res > 0)
- printk("%s\n", buff);
- } else if (sshdr->additional_length > 0) {
- /* descriptor format with sense descriptors */
- num = 8 + sshdr->additional_length;
- num = (sense_len < num) ? sense_len : num;
- printk("Descriptor sense data with sense descriptors "
- "(in hex):");
- for (k = 0; k < num; ++k) {
- if (0 == (k % 16)) {
- printk("\n");
- printk(KERN_INFO " ");
- }
- printk("%02x ", sense_buffer[k]);
- }
-
- printk("\n");
- }
-
+ printk("\n");
+ return;
}
/* Normalize and print sense buffer with name prefix */
-void __scsi_print_sense(const char *name, const unsigned char *sense_buffer,
- int sense_len)
+void __scsi_print_sense(const struct scsi_device *sdev, const char *name,
+ const unsigned char *sense_buffer, int sense_len)
{
struct scsi_sense_hdr sshdr;
- printk(KERN_INFO "%s: ", name);
- scsi_decode_sense_buffer(sense_buffer, sense_len, &sshdr);
- scsi_show_sense_hdr(&sshdr);
- scsi_decode_sense_extras(sense_buffer, sense_len, &sshdr);
- printk(KERN_INFO "%s: ", name);
- scsi_show_extd_sense(sshdr.asc, sshdr.ascq);
+ if (!scsi_normalize_sense(sense_buffer, sense_len, &sshdr)) {
+ scsi_dump_sense_buffer(sense_buffer, sense_len);
+ return;
+ }
+ scsi_show_sense_hdr(sdev, name, &sshdr);
+ scsi_show_extd_sense(sdev, name, sshdr.asc, sshdr.ascq);
}
EXPORT_SYMBOL(__scsi_print_sense);
/* Normalize and print sense buffer in SCSI command */
-void scsi_print_sense(char *name, struct scsi_cmnd *cmd)
+void scsi_print_sense(const struct scsi_cmnd *cmd)
{
- struct scsi_sense_hdr sshdr;
+ struct gendisk *disk = cmd->request->rq_disk;
+ const char *disk_name = disk ? disk->disk_name : NULL;
- scmd_printk(KERN_INFO, cmd, " ");
- scsi_decode_sense_buffer(cmd->sense_buffer, SCSI_SENSE_BUFFERSIZE,
- &sshdr);
- scsi_show_sense_hdr(&sshdr);
- scsi_decode_sense_extras(cmd->sense_buffer, SCSI_SENSE_BUFFERSIZE,
- &sshdr);
- scmd_printk(KERN_INFO, cmd, " ");
- scsi_show_extd_sense(sshdr.asc, sshdr.ascq);
+ __scsi_print_sense(cmd->device, disk_name, cmd->sense_buffer,
+ SCSI_SENSE_BUFFERSIZE);
}
EXPORT_SYMBOL(scsi_print_sense);
@@ -1565,38 +1405,87 @@ static const char * const hostbyte_table[]={
"DID_PASSTHROUGH", "DID_SOFT_ERROR", "DID_IMM_RETRY", "DID_REQUEUE",
"DID_TRANSPORT_DISRUPTED", "DID_TRANSPORT_FAILFAST", "DID_TARGET_FAILURE",
"DID_NEXUS_FAILURE" };
-#define NUM_HOSTBYTE_STRS ARRAY_SIZE(hostbyte_table)
static const char * const driverbyte_table[]={
"DRIVER_OK", "DRIVER_BUSY", "DRIVER_SOFT", "DRIVER_MEDIA", "DRIVER_ERROR",
"DRIVER_INVALID", "DRIVER_TIMEOUT", "DRIVER_HARD", "DRIVER_SENSE"};
-#define NUM_DRIVERBYTE_STRS ARRAY_SIZE(driverbyte_table)
-void scsi_show_result(int result)
+#endif
+
+const char *scsi_hostbyte_string(int result)
{
+ const char *hb_string = NULL;
+#ifdef CONFIG_SCSI_CONSTANTS
int hb = host_byte(result);
- int db = driver_byte(result);
- printk("Result: hostbyte=%s driverbyte=%s\n",
- (hb < NUM_HOSTBYTE_STRS ? hostbyte_table[hb] : "invalid"),
- (db < NUM_DRIVERBYTE_STRS ? driverbyte_table[db] : "invalid"));
+ if (hb < ARRAY_SIZE(hostbyte_table))
+ hb_string = hostbyte_table[hb];
+#endif
+ return hb_string;
}
+EXPORT_SYMBOL(scsi_hostbyte_string);
-#else
-
-void scsi_show_result(int result)
+const char *scsi_driverbyte_string(int result)
{
- printk("Result: hostbyte=0x%02x driverbyte=0x%02x\n",
- host_byte(result), driver_byte(result));
+ const char *db_string = NULL;
+#ifdef CONFIG_SCSI_CONSTANTS
+ int db = driver_byte(result);
+
+ if (db < ARRAY_SIZE(driverbyte_table))
+ db_string = driverbyte_table[db];
+#endif
+ return db_string;
}
+EXPORT_SYMBOL(scsi_driverbyte_string);
+#ifdef CONFIG_SCSI_CONSTANTS
+#define scsi_mlreturn_name(result) { result, #result }
+static const struct value_name_pair scsi_mlreturn_arr[] = {
+ scsi_mlreturn_name(NEEDS_RETRY),
+ scsi_mlreturn_name(SUCCESS),
+ scsi_mlreturn_name(FAILED),
+ scsi_mlreturn_name(QUEUED),
+ scsi_mlreturn_name(SOFT_ERROR),
+ scsi_mlreturn_name(ADD_TO_MLQUEUE),
+ scsi_mlreturn_name(TIMEOUT_ERROR),
+ scsi_mlreturn_name(SCSI_RETURN_NOT_HANDLED),
+ scsi_mlreturn_name(FAST_IO_FAIL)
+};
#endif
-EXPORT_SYMBOL(scsi_show_result);
+const char *scsi_mlreturn_string(int result)
+{
+#ifdef CONFIG_SCSI_CONSTANTS
+ const struct value_name_pair *arr = scsi_mlreturn_arr;
+ int k;
-void scsi_print_result(struct scsi_cmnd *cmd)
+ for (k = 0; k < ARRAY_SIZE(scsi_mlreturn_arr); ++k, ++arr) {
+ if (result == arr->value)
+ return arr->name;
+ }
+#endif
+ return NULL;
+}
+EXPORT_SYMBOL(scsi_mlreturn_string);
+
+void scsi_print_result(struct scsi_cmnd *cmd, const char *msg, int disposition)
{
- scmd_printk(KERN_INFO, cmd, " ");
- scsi_show_result(cmd->result);
+ const char *mlret_string = scsi_mlreturn_string(disposition);
+ const char *hb_string = scsi_hostbyte_string(cmd->result);
+ const char *db_string = scsi_driverbyte_string(cmd->result);
+
+ if (hb_string || db_string)
+ scmd_printk(KERN_INFO, cmd,
+ "%s%s Result: hostbyte=%s driverbyte=%s",
+ msg ? msg : "",
+ mlret_string ? mlret_string : "UNKNOWN",
+ hb_string ? hb_string : "invalid",
+ db_string ? db_string : "invalid");
+ else
+ scmd_printk(KERN_INFO, cmd,
+ "%s%s Result: hostbyte=0x%02x driverbyte=0x%02x",
+ msg ? msg : "",
+ mlret_string ? mlret_string : "UNKNOWN",
+ host_byte(cmd->result), driver_byte(cmd->result));
}
EXPORT_SYMBOL(scsi_print_result);