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// SPDX-License-Identifier: GPL-2.0-or-later
#include <inttypes.h>
#include <stdint.h>
#include <sys/ioctl.h>
#include <sys/syslog.h>
#include <sys/time.h>
#include <linux/types.h>
#include <libnvme.h>
#include "logging.h"
int log_level;
int map_log_level(int verbose, bool quiet)
{
int log_level;
/*
* LOG_NOTICE is unused thus the user has to provide two 'v' for getting
* any feedback at all. Thus skip this level
*/
verbose++;
switch (verbose) {
case 0:
log_level = LOG_WARNING;
break;
case 1:
log_level = LOG_NOTICE;
break;
case 2:
log_level = LOG_INFO;
break;
default:
log_level = LOG_DEBUG;
break;
}
if (quiet)
log_level = LOG_ERR;
return log_level;
}
static void nvme_show_common(struct nvme_passthru_cmd *cmd)
{
printf("opcode : %02x\n", cmd->opcode);
printf("flags : %02x\n", cmd->flags);
printf("rsvd1 : %04x\n", cmd->rsvd1);
printf("nsid : %08x\n", cmd->nsid);
printf("cdw2 : %08x\n", cmd->cdw2);
printf("cdw3 : %08x\n", cmd->cdw3);
printf("data_len : %08x\n", cmd->data_len);
printf("metadata_len : %08x\n", cmd->metadata_len);
printf("addr : %"PRIx64"\n", (uint64_t)(uintptr_t)cmd->addr);
printf("metadata : %"PRIx64"\n", (uint64_t)(uintptr_t)cmd->metadata);
printf("cdw10 : %08x\n", cmd->cdw10);
printf("cdw11 : %08x\n", cmd->cdw11);
printf("cdw12 : %08x\n", cmd->cdw12);
printf("cdw13 : %08x\n", cmd->cdw13);
printf("cdw14 : %08x\n", cmd->cdw14);
printf("cdw15 : %08x\n", cmd->cdw15);
printf("timeout_ms : %08x\n", cmd->timeout_ms);
}
static void nvme_show_command(struct nvme_passthru_cmd *cmd, int err)
{
nvme_show_common(cmd);
printf("result : %08x\n", cmd->result);
printf("err : %d\n", err);
}
static void nvme_show_command64(struct nvme_passthru_cmd64 *cmd, int err)
{
nvme_show_common((struct nvme_passthru_cmd *)cmd);
printf("result : %"PRIx64"\n", (uint64_t)(uintptr_t)cmd->result);
printf("err : %d\n", err);
}
static void nvme_show_latency(struct timeval start, struct timeval end)
{
printf("latency : %lu us\n",
(end.tv_sec - start.tv_sec) * 1000000 + (end.tv_usec - start.tv_usec));
}
int nvme_submit_passthru(int fd, unsigned long ioctl_cmd,
struct nvme_passthru_cmd *cmd, __u32 *result)
{
struct timeval start;
struct timeval end;
int err;
if (log_level >= LOG_DEBUG)
gettimeofday(&start, NULL);
err = ioctl(fd, ioctl_cmd, cmd);
if (log_level >= LOG_DEBUG) {
gettimeofday(&end, NULL);
nvme_show_command(cmd, err);
nvme_show_latency(start, end);
}
if (err >= 0 && result)
*result = cmd->result;
return err;
}
int nvme_submit_passthru64(int fd, unsigned long ioctl_cmd,
struct nvme_passthru_cmd64 *cmd,
__u64 *result)
{
struct timeval start;
struct timeval end;
int err;
if (log_level >= LOG_DEBUG)
gettimeofday(&start, NULL);
err = ioctl(fd, ioctl_cmd, cmd);
if (log_level >= LOG_DEBUG) {
gettimeofday(&end, NULL);
nvme_show_command64(cmd, err);
nvme_show_latency(start, end);
}
if (err >= 0 && result)
*result = cmd->result;
return err;
}
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