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authorHannes Reinecke <hare@suse.de>2015-01-08 09:43:48 +0300
committerChristoph Hellwig <hch@lst.de>2015-01-09 17:44:31 +0300
commit2dd951ecd511756f405ae9324db87bb0159f6225 (patch)
tree61c8bdbc84bb31a4f1b1e39c12209778c591e655 /drivers/scsi/constants.c
parent026f8da8da4ce3423bf89e8e9091f55ae3863eda (diff)
downloadlinux-2dd951ecd511756f405ae9324db87bb0159f6225.tar.xz
scsi: Conditionally compile in constants.c
Instead of having constants.c littered with ifdef statements we should be moving dummy functions into the header and condintionally compile in constants.c if selected. And update the Kconfig description to reflect the actual size difference. Suggested-by: Christoph Hellwig <hch@infradead.org> Tested-by: Robert Elliott <elliott@hp.com> Reviewed-by: Robert Elliott <elliott@hp.com> Signed-off-by: Hannes Reinecke <hare@suse.de> Signed-off-by: Christoph Hellwig <hch@lst.de>
Diffstat (limited to 'drivers/scsi/constants.c')
-rw-r--r--drivers/scsi/constants.c44
1 files changed, 0 insertions, 44 deletions
diff --git a/drivers/scsi/constants.c b/drivers/scsi/constants.c
index 956fbdd38681..fa09d4be2b53 100644
--- a/drivers/scsi/constants.c
+++ b/drivers/scsi/constants.c
@@ -18,8 +18,6 @@
#include <scsi/scsi_eh.h>
#include <scsi/scsi_dbg.h>
-
-
/* Commands with service actions that change the command name */
#define THIRD_PARTY_COPY_OUT 0x83
#define THIRD_PARTY_COPY_IN 0x84
@@ -35,7 +33,6 @@ struct value_name_pair {
const char * name;
};
-#ifdef CONFIG_SCSI_CONSTANTS
static const char * cdb_byte0_names[] = {
/* 00-03 */ "Test Unit Ready", "Rezero Unit/Rewind", NULL, "Request Sense",
/* 04-07 */ "Format Unit/Medium", "Read Block Limits", NULL,
@@ -259,26 +256,6 @@ static struct sa_name_list sa_names_arr[] = {
{0, NULL, 0},
};
-#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 */
-
bool scsi_opcode_sa_name(int opcode, int service_action,
const char **cdb_name, const char **sa_name)
{
@@ -313,8 +290,6 @@ bool scsi_opcode_sa_name(int opcode, int service_action,
return true;
}
-#ifdef CONFIG_SCSI_CONSTANTS
-
struct error_info {
unsigned short code12; /* 0x0302 looks better than 0x03,0x02 */
const char * text;
@@ -1203,15 +1178,12 @@ static const char * const snstext[] = {
"Completed", /* F: command completed sense data reported,
may occur for successful command */
};
-#endif
/* Get sense key string or NULL if not available */
const char *
scsi_sense_key_string(unsigned char key) {
-#ifdef CONFIG_SCSI_CONSTANTS
if (key <= 0xE)
return snstext[key];
-#endif
return NULL;
}
EXPORT_SYMBOL(scsi_sense_key_string);
@@ -1223,7 +1195,6 @@ EXPORT_SYMBOL(scsi_sense_key_string);
const char *
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);
@@ -1239,15 +1210,10 @@ scsi_extd_sense_format(unsigned char asc, unsigned char ascq, const char **fmt)
return additional2[i].str;
}
}
-#else
- *fmt = NULL;
-#endif
return NULL;
}
EXPORT_SYMBOL(scsi_extd_sense_format);
-#ifdef CONFIG_SCSI_CONSTANTS
-
static const char * const hostbyte_table[]={
"DID_OK", "DID_NO_CONNECT", "DID_BUS_BUSY", "DID_TIME_OUT", "DID_BAD_TARGET",
"DID_ABORT", "DID_PARITY", "DID_ERROR", "DID_RESET", "DID_BAD_INTR",
@@ -1259,17 +1225,13 @@ static const char * const driverbyte_table[]={
"DRIVER_OK", "DRIVER_BUSY", "DRIVER_SOFT", "DRIVER_MEDIA", "DRIVER_ERROR",
"DRIVER_INVALID", "DRIVER_TIMEOUT", "DRIVER_HARD", "DRIVER_SENSE"};
-#endif
-
const char *scsi_hostbyte_string(int result)
{
const char *hb_string = NULL;
-#ifdef CONFIG_SCSI_CONSTANTS
int hb = host_byte(result);
if (hb < ARRAY_SIZE(hostbyte_table))
hb_string = hostbyte_table[hb];
-#endif
return hb_string;
}
EXPORT_SYMBOL(scsi_hostbyte_string);
@@ -1277,17 +1239,14 @@ EXPORT_SYMBOL(scsi_hostbyte_string);
const char *scsi_driverbyte_string(int 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),
@@ -1300,11 +1259,9 @@ static const struct value_name_pair scsi_mlreturn_arr[] = {
scsi_mlreturn_name(SCSI_RETURN_NOT_HANDLED),
scsi_mlreturn_name(FAST_IO_FAIL)
};
-#endif
const char *scsi_mlreturn_string(int result)
{
-#ifdef CONFIG_SCSI_CONSTANTS
const struct value_name_pair *arr = scsi_mlreturn_arr;
int k;
@@ -1312,7 +1269,6 @@ const char *scsi_mlreturn_string(int result)
if (result == arr->value)
return arr->name;
}
-#endif
return NULL;
}
EXPORT_SYMBOL(scsi_mlreturn_string);