diff --git a/drivers/scsi/Kconfig b/drivers/scsi/Kconfig
index 9c92f415229f17220f789f1ce1c76179b946b7af..b021bcb885375445ca5d4bf2820b6e29a1f7152c 100644
--- a/drivers/scsi/Kconfig
+++ b/drivers/scsi/Kconfig
@@ -201,12 +201,12 @@ config SCSI_ENCLOSURE
certain enclosure conditions to be reported and is not required.
config SCSI_CONSTANTS
- bool "Verbose SCSI error reporting (kernel size +=12K)"
+ bool "Verbose SCSI error reporting (kernel size +=75K)"
depends on SCSI
help
The error messages regarding your SCSI hardware will be easier to
understand if you say Y here; it will enlarge your kernel by about
- 12 KB. If in doubt, say Y.
+ 75 KB. If in doubt, say Y.
config SCSI_LOGGING
bool "SCSI logging facility"
diff --git a/drivers/scsi/Makefile b/drivers/scsi/Makefile
index 447c2d24aafa5da8fbe036ea733e966e7f9da0f0..dee160a4f163a6b55ae105d8e8a517ea4ce93eb3 100644
--- a/drivers/scsi/Makefile
+++ b/drivers/scsi/Makefile
@@ -159,9 +159,9 @@ obj-$(CONFIG_SCSI_OSD_INITIATOR) += osd/
# This goes last, so that "real" scsi devices probe earlier
obj-$(CONFIG_SCSI_DEBUG) += scsi_debug.o
-
-scsi_mod-y += scsi.o hosts.o scsi_ioctl.o constants.o \
+scsi_mod-y += scsi.o hosts.o scsi_ioctl.o \
scsicam.o scsi_error.o scsi_lib.o
+scsi_mod-$(CONFIG_SCSI_CONSTANTS) += constants.o
scsi_mod-$(CONFIG_SCSI_DMA) += scsi_lib_dma.o
scsi_mod-y += scsi_scan.o scsi_sysfs.o scsi_devinfo.o
scsi_mod-$(CONFIG_SCSI_NETLINK) += scsi_netlink.o
diff --git a/drivers/scsi/constants.c b/drivers/scsi/constants.c
index 956fbdd38681b9122008a5991763ca6a7106c0ca..fa09d4be2b5341436dba4e61c733543de7da57e9 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);
diff --git a/drivers/xen/xen-scsiback.c b/drivers/xen/xen-scsiback.c
index e999496eda3efa65c3cda54fcc287212313ee60b..471ab0661696944454e6d9661c3d02690e9c0a15 100644
--- a/drivers/xen/xen-scsiback.c
+++ b/drivers/xen/xen-scsiback.c
@@ -47,6 +47,7 @@
#include <generated/utsrelease.h>
+#include <scsi/scsi.h>
#include <scsi/scsi_dbg.h>
#include <scsi/scsi_eh.h>
#include <scsi/scsi_tcq.h>
diff --git a/include/scsi/scsi_dbg.h b/include/scsi/scsi_dbg.h
index 365b6745dc10bd96ac685436ee10e30b7fc58478..f8170e90b49d25fc15d6ee61617509e315466fc3 100644
--- a/include/scsi/scsi_dbg.h
+++ b/include/scsi/scsi_dbg.h
@@ -7,7 +7,6 @@ struct scsi_sense_hdr;
#define SCSI_LOG_BUFSIZE 128
-extern bool scsi_opcode_sa_name(int, int, const char **, const char **);
extern void scsi_print_command(struct scsi_cmnd *);
extern size_t __scsi_format_command(char *, size_t,
const unsigned char *, size_t);
@@ -22,11 +21,72 @@ extern void __scsi_print_sense(const struct scsi_device *, const char *name,
const unsigned char *sense_buffer,
int sense_len);
extern void scsi_print_result(const struct scsi_cmnd *, const char *, int);
-extern const char *scsi_hostbyte_string(int);
-extern const char *scsi_driverbyte_string(int);
-extern const char *scsi_mlreturn_string(int);
+
+#ifdef CONFIG_SCSI_CONSTANTS
+extern bool scsi_opcode_sa_name(int, int, const char **, const char **);
extern const char *scsi_sense_key_string(unsigned char);
extern const char *scsi_extd_sense_format(unsigned char, unsigned char,
const char **);
+extern const char *scsi_mlreturn_string(int);
+extern const char *scsi_hostbyte_string(int);
+extern const char *scsi_driverbyte_string(int);
+#else
+static inline bool
+scsi_opcode_sa_name(int cmd, int sa,
+ const char **cdb_name, const char **sa_name)
+{
+ *cdb_name = NULL;
+ switch (cmd) {
+ case VARIABLE_LENGTH_CMD:
+ 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 EXTENDED_COPY:
+ case RECEIVE_COPY_RESULTS:
+ *sa_name = NULL;
+ return true;
+ default:
+ return false;
+ }
+}
+
+static inline const char *
+scsi_sense_key_string(unsigned char key)
+{
+ return NULL;
+}
+
+static inline const char *
+scsi_extd_sense_format(unsigned char asc, unsigned char ascq, const char **fmt)
+{
+ *fmt = NULL;
+ return NULL;
+}
+
+static inline const char *
+scsi_mlreturn_string(int result)
+{
+ return NULL;
+}
+
+static inline const char *
+scsi_hostbyte_string(int result)
+{
+ return NULL;
+}
+
+static inline const char *
+scsi_driverbyte_string(int result)
+{
+ return NULL;
+}
+
+#endif
#endif /* _SCSI_SCSI_DBG_H */