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/*
* Copyright (C) 2017 NXP Semiconductors
* Copyright (C) 2017 Bin Meng <bmeng.cn@gmail.com>
*
* SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <command.h>
#include <dm.h>
#include <nvme.h>
#include <part.h>
#include <linux/math64.h>
static int nvme_curr_device;
static int do_nvme_scan(cmd_tbl_t *cmdtp, int flag,
int argc, char * const argv[])
{
int ret;
ret = nvme_scan_namespace();
if (ret)
return CMD_RET_FAILURE;
return CMD_RET_SUCCESS;
}
static int do_nvme_list(cmd_tbl_t *cmdtp, int flag,
int argc, char * const argv[])
{
blk_list_devices(IF_TYPE_NVME);
return CMD_RET_SUCCESS;
}
static int do_nvme_info(cmd_tbl_t *cmdtp, int flag,
int argc, char * const argv[])
{
int devnum;
struct udevice *udev;
int ret;
if (argc > 1)
devnum = (int)simple_strtoul(argv[1], NULL, 10);
else
devnum = nvme_curr_device;
ret = blk_get_device(IF_TYPE_NVME, devnum, &udev);
if (ret < 0)
return CMD_RET_FAILURE;
nvme_print_info(udev);
return CMD_RET_SUCCESS;
}
static int do_nvme_device(cmd_tbl_t *cmdtp, int flag,
int argc, char * const argv[])
{
if (argc > 1) {
int devnum = (int)simple_strtoul(argv[1], NULL, 10);
if (!blk_show_device(IF_TYPE_NVME, devnum)) {
nvme_curr_device = devnum;
printf("... is now current device\n");
} else {
return CMD_RET_FAILURE;
}
} else {
blk_show_device(IF_TYPE_NVME, nvme_curr_device);
}
return CMD_RET_SUCCESS;
}
static int do_nvme_part(cmd_tbl_t *cmdtp, int flag,
int argc, char * const argv[])
{
if (argc > 1) {
int devnum = (int)simple_strtoul(argv[2], NULL, 10);
if (blk_print_part_devnum(IF_TYPE_NVME, devnum)) {
printf("\nNVMe device %d not available\n", devnum);
return CMD_RET_FAILURE;
}
} else {
blk_print_part_devnum(IF_TYPE_NVME, nvme_curr_device);
}
return CMD_RET_SUCCESS;
}
static int do_nvme_read(cmd_tbl_t *cmdtp, int flag, int argc,
char * const argv[])
{
unsigned long time;
if (argc != 4)
return CMD_RET_USAGE;
ulong addr = simple_strtoul(argv[1], NULL, 16);
ulong cnt = simple_strtoul(argv[3], NULL, 16);
ulong n;
lbaint_t blk = simple_strtoul(argv[2], NULL, 16);
printf("\nNVMe read: device %d block # " LBAFU " count %ld ... ",
nvme_curr_device, blk, cnt);
time = get_timer(0);
n = blk_read_devnum(IF_TYPE_NVME, nvme_curr_device, blk,
cnt, (ulong *)addr);
time = get_timer(time);
printf("read: %s\n", (n == cnt) ? "OK" : "ERROR");
printf("%lu bytes read in %lu ms", cnt * 512, time);
if (time > 0) {
puts(" (");
print_size(div_u64(cnt * 512, time) * 1000, "/s");
puts(")");
}
puts("\n");
return (n == cnt) ? CMD_RET_SUCCESS : CMD_RET_FAILURE;
}
static int do_nvme_write(cmd_tbl_t *cmdtp, int flag, int argc,
char * const argv[])
{
unsigned long time;
if (argc != 4)
return CMD_RET_USAGE;
ulong addr = simple_strtoul(argv[1], NULL, 16);
ulong cnt = simple_strtoul(argv[3], NULL, 16);
ulong n;
lbaint_t blk = simple_strtoul(argv[2], NULL, 16);
printf("\nNVMe write: device %d block # " LBAFU " count %ld ... ",
nvme_curr_device, blk, cnt);
time = get_timer(0);
n = blk_write_devnum(IF_TYPE_NVME, nvme_curr_device, blk,
cnt, (ulong *)addr);
time = get_timer(time);
printf("write: %s\n", (n == cnt) ? "OK" : "ERROR");
printf("%lu bytes write in %lu ms", cnt * 512, time);
if (time > 0) {
puts(" (");
print_size(div_u64(cnt * 512, time) * 1000, "/s");
puts(")");
}
puts("\n");
return (n == cnt) ? CMD_RET_SUCCESS : CMD_RET_FAILURE;
}
static cmd_tbl_t cmd_nvme[] = {
U_BOOT_CMD_MKENT(scan, 1, 1, do_nvme_scan, "", ""),
U_BOOT_CMD_MKENT(list, 1, 1, do_nvme_list, "", ""),
U_BOOT_CMD_MKENT(info, 2, 1, do_nvme_info, "", ""),
U_BOOT_CMD_MKENT(device, 2, 1, do_nvme_device, "", ""),
U_BOOT_CMD_MKENT(part, 2, 1, do_nvme_part, "", ""),
U_BOOT_CMD_MKENT(write, 4, 0, do_nvme_write, "", ""),
U_BOOT_CMD_MKENT(read, 4, 0, do_nvme_read, "", "")
};
static int do_nvmecops(cmd_tbl_t *cmdtp, int flag, int argc,
char * const argv[])
{
cmd_tbl_t *cp;
cp = find_cmd_tbl(argv[1], cmd_nvme, ARRAY_SIZE(cmd_nvme));
argc--;
argv++;
if (cp == NULL || argc > cp->maxargs)
return CMD_RET_USAGE;
if (flag == CMD_FLAG_REPEAT && !cp->repeatable)
return CMD_RET_SUCCESS;
return cp->cmd(cmdtp, flag, argc, argv);
}
U_BOOT_CMD(
nvme, 8, 1, do_nvmecops,
"NVM Express sub-system",
"\nnvme scan - scan NVMe blk devices\n"
"nvme list - show all available NVMe blk devices\n"
"nvme info [dev]- show current or a specific NVMe blk device\n"
"nvme device [dev] - show or set current device\n"
"nvme part [dev] - print partition table\n"
"nvme read addr blk# cnt\n"
"nvme write addr blk# cnt"
);
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