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Add generalized helper functions for printing hex data as part of

Browse Source 
nvmecontrol commands.

Submitted by:	Joe Golio <joseph.golio@emc.com>
Obtained from:	EMC / Isilon Storage Division
MFC after:	3 days
This commit is contained in:
Jim Harris 2013-06-26 23:46:31 +00:00
parent d2cdb28b6f
commit e83c9e35a7
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=252275
3 changed files with 51 additions and 40 deletions
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42
sbin/nvmecontrol/identify.c
View File

@ -41,25 +41,6 @@ __FBSDID("$FreeBSD$");
#include "nvmecontrol.h"
static void
print_controller_hex(struct nvme_controller_data *cdata, uint32_t length)
{
uint32_t *p;
uint32_t i, j;
p = (uint32_t *)cdata;
length /= sizeof(uint32_t);
for (i = 0; i < length; i+=8) {
printf("%03x: ", i*4);
for (j = 0; j < 8; j++)
printf("%08x ", p[i+j]);
printf("\n");
}
printf("\n");
}
static void
print_controller(struct nvme_controller_data *cdata)
{
@ -127,25 +108,6 @@ print_controller(struct nvme_controller_data *cdata)
cdata->vwc.present ? "Present" : "Not Present");
}
static void
print_namespace_hex(struct nvme_namespace_data *nsdata, uint32_t length)
{
uint32_t *p;
uint32_t i, j;
p = (uint32_t *)nsdata;
length /= sizeof(uint32_t);
for (i = 0; i < length; i+=8) {
printf("%03x: ", i*4);
for (j = 0; j < 8; j++)
printf("%08x ", p[i+j]);
printf("\n");
}
printf("\n");
}
static void
print_namespace(struct nvme_namespace_data *nsdata)
{
@ -214,7 +176,7 @@ identify_ctrlr(int argc, char *argv[])
else
hexlength = offsetof(struct nvme_controller_data,
reserved5);
print_controller_hex(&cdata, hexlength);
print_hex(&cdata, hexlength);
exit(EX_OK);
}
@ -290,7 +252,7 @@ identify_ns(int argc, char *argv[])
else
hexlength = offsetof(struct nvme_namespace_data,
reserved6);
print_namespace_hex(&nsdata, hexlength);
print_hex(&nsdata, hexlength);
exit(EX_OK);
}

48
sbin/nvmecontrol/nvmecontrol.c
View File

@ -72,6 +72,54 @@ usage(void)
exit(EX_USAGE);
}
static void
print_bytes(void *data, uint32_t length)
{
uint32_t i, j;
uint8_t *p, *end;
end = (uint8_t *)data + length;
for (i = 0; i < length; i++) {
p = (uint8_t *)data + (i*16);
printf("%03x: ", i*16);
for (j = 0; j < 16 && p < end; j++)
printf("%02x ", *p++);
if (p >= end)
break;
printf("\n");
}
printf("\n");
}
static void
print_dwords(void *data, uint32_t length)
{
uint32_t *p;
uint32_t i, j;
p = (uint32_t *)data;
length /= sizeof(uint32_t);
for (i = 0; i < length; i+=8) {
printf("%03x: ", i*4);
for (j = 0; j < 8; j++)
printf("%08x ", p[i+j]);
printf("\n");
}
printf("\n");
}
void
print_hex(void *data, uint32_t length)
{
if (length >= sizeof(uint32_t) || length % sizeof(uint32_t) == 0)
print_dwords(data, length);
else
print_bytes(data, length);
}
void
read_controller_data(int fd, struct nvme_controller_data *cdata)
{

1
sbin/nvmecontrol/nvmecontrol.h
View File

@ -57,6 +57,7 @@ void reset(int argc, char *argv[]);
int open_dev(const char *str, int *fd, int show_error, int exit_on_error);
void read_controller_data(int fd, struct nvme_controller_data *cdata);
void read_namespace_data(int fd, int nsid, struct nvme_namespace_data *nsdata);
void print_hex(void *data, uint32_t length);
#endif