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sbin/nvmecontrol/nvmecontrol.c

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} }
void void
read_controller_data(int fd, struct nvme_controller_data *cdata) read_controller_data(int fd, struct nvme_controller_data *cdata)
{ {
struct nvme_pt_command pt; struct nvme_pt_command pt;
memset(&pt, 0, sizeof(pt)); memset(&pt, 0, sizeof(pt));
pt.cmd.opc_fuse = NVME_CMD_SET_OPC(NVME_OPC_IDENTIFY); pt.cmd.opc = NVME_OPC_IDENTIFY;
pt.cmd.cdw10 = htole32(1); pt.cmd.cdw10 = htole32(1);
pt.buf = cdata; pt.buf = cdata;
pt.len = sizeof(*cdata); pt.len = sizeof(*cdata);
pt.is_read = 1; pt.is_read = 1;
if (ioctl(fd, NVME_PASSTHROUGH_CMD, &pt) < 0) if (ioctl(fd, NVME_PASSTHROUGH_CMD, &pt) < 0)
err(1, "identify request failed"); err(1, "identify request failed");
/* Convert data to host endian */ /* Convert data to host endian */
nvme_controller_data_swapbytes(cdata); nvme_controller_data_swapbytes(cdata);
if (nvme_completion_is_error(&pt.cpl)) if (nvme_completion_is_error(&pt.cpl))
errx(1, "identify request returned error"); errx(1, "identify request returned error");
} }
void void
read_namespace_data(int fd, uint32_t nsid, struct nvme_namespace_data *nsdata) read_namespace_data(int fd, uint32_t nsid, struct nvme_namespace_data *nsdata)
{ {
struct nvme_pt_command pt; struct nvme_pt_command pt;
memset(&pt, 0, sizeof(pt)); memset(&pt, 0, sizeof(pt));
pt.cmd.opc_fuse = NVME_CMD_SET_OPC(NVME_OPC_IDENTIFY); pt.cmd.opc = NVME_OPC_IDENTIFY;
pt.cmd.nsid = htole32(nsid); pt.cmd.nsid = htole32(nsid);
pt.buf = nsdata; pt.buf = nsdata;
pt.len = sizeof(*nsdata); pt.len = sizeof(*nsdata);
pt.is_read = 1; pt.is_read = 1;
if (ioctl(fd, NVME_PASSTHROUGH_CMD, &pt) < 0) if (ioctl(fd, NVME_PASSTHROUGH_CMD, &pt) < 0)
err(1, "identify request failed"); err(1, "identify request failed");
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