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// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Copyright (c) 2022-2024 Solidigm.
*
* Author: leonardo.da.cunha@solidigm.com
*/
#include <unistd.h>
#include <errno.h>
#include "util/types.h"
#include "ocp-nvme.h"
#include "ocp-utils.h"
const unsigned char ocp_uuid[NVME_UUID_LEN] = {
0xc1, 0x94, 0xd5, 0x5b, 0xe0, 0x94, 0x47, 0x94, 0xa2, 0x1d,
0x29, 0x99, 0x8f, 0x56, 0xbe, 0x6f };
int ocp_find_uuid_index(struct nvme_id_uuid_list *uuid_list, __u8 *index)
{
int i = nvme_uuid_find(uuid_list, ocp_uuid);
*index = 0;
if (i > 0)
*index = i;
else
return -errno;
return 0;
}
int ocp_get_uuid_index(struct nvme_dev *dev, __u8 *index)
{
struct nvme_id_uuid_list uuid_list;
int err = nvme_identify_uuid(dev_fd(dev), &uuid_list);
*index = 0;
if (err)
return err;
return ocp_find_uuid_index(&uuid_list, index);
}
int ocp_get_log_simple(struct nvme_dev *dev, enum ocp_dssd_log_id lid, __u32 len, void *log)
{
int fd = dev_fd(dev);
struct nvme_get_log_args args = {
.log = log,
.args_size = sizeof(args),
.fd = fd,
.timeout = NVME_DEFAULT_IOCTL_TIMEOUT,
.lid = (enum nvme_cmd_get_log_lid)lid,
.len = len,
.nsid = NVME_NSID_ALL,
.lsi = NVME_LOG_LSI_NONE,
.lsp = NVME_LOG_LSP_NONE,
};
ocp_get_uuid_index(dev, &args.uuidx);
return nvme_get_log_page(fd, NVME_LOG_PAGE_PDU_SIZE, &args);
}
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