1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
|
// 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_INFO)
gettimeofday(&start, NULL);
err = ioctl(fd, ioctl_cmd, cmd);
if (log_level >= LOG_INFO) {
gettimeofday(&end, NULL);
if (log_level >= LOG_DEBUG)
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_INFO)
gettimeofday(&start, NULL);
err = ioctl(fd, ioctl_cmd, cmd);
if (log_level >= LOG_INFO) {
gettimeofday(&end, NULL);
if (log_level >= LOG_DEBUG)
nvme_show_command64(cmd, err);
nvme_show_latency(start, end);
}
if (err >= 0 && result)
*result = cmd->result;
return err;
}
|
