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scsi: merge print_opcode_name()

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Instead of having two versions of print_opcode_name() we
should be consolidating them into one version.

Signed-off-by: Hannes Reinecke <hare@suse.de>
Reviewed-by: Robert Elliott <elliott@hp.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
This commit is contained in:
Hannes Reinecke 2014-10-24 14:26:55 +02:00 committed by Christoph Hellwig
parent 6033f97919
commit 234d677819
1 changed files with 38 additions and 60 deletions
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98
drivers/scsi/constants.c
View file

@ -30,6 +30,16 @@
#define THIRD_PARTY_COPY_IN 0x84
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 +112,6 @@ 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"},
@ -244,12 +249,6 @@ static const struct value_name_pair variable_length_arr[] = {
};
#define VARIABLE_LENGTH_SZ ARRAY_SIZE(variable_length_arr)
struct sa_name_list {
int opcode;
const struct value_name_pair *arr;
int arr_sz;
};
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},
@ -266,6 +265,26 @@ static struct sa_name_list sa_names_arr[] = {
{0, NULL, 0},
};
#else /* ifndef CONFIG_SCSI_CONSTANTS */
static const char *cdb_byte0_names[];
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 */
static bool scsi_opcode_sa_name(int opcode, int service_action,
const char **sa_name)
{
@ -315,11 +334,14 @@ static void print_opcode_name(unsigned char * cdbp, int cdb_len)
if (!scsi_opcode_sa_name(cdb0, sa, &name)) {
if (cdb0 < 0xc0) {
name = cdb_byte0_names[cdb0];
if (name)
printk("%s", name);
else
printk("cdb[0]=0x%x (reserved)", cdb0);
if (ARRAY_SIZE(cdb_byte0_names) > 1) {
name = cdb_byte0_names[cdb0];
if (name)
printk("%s", name);
else
printk("cdb[0]=0x%x (reserved)", cdb0);
} else
printk("cdb[0]=0x%x", cdb0);
} else
printk("cdb[0]=0x%x (vendor)", cdb0);
} else {
@ -333,50 +355,6 @@ static void print_opcode_name(unsigned char * cdbp, int cdb_len)
}
}
#else /* ifndef CONFIG_SCSI_CONSTANTS */
static void print_opcode_name(unsigned char * cdbp, int cdb_len)
{
int sa, len, cdb0;
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;
}
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:
sa = cdbp[1] & 0x1f;
printk("cdb[0]=0x%x, sa=0x%x", cdb0, sa);
break;
default:
if (cdb0 < 0xc0)
printk("cdb[0]=0x%x", cdb0);
else
printk("cdb[0]=0x%x (vendor)", cdb0);
break;
}
}
#endif
void __scsi_print_command(unsigned char *cdb)
{
int k, len;