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Differential D16404 Diff 47077 head/sbin/nvmecontrol/power.c

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head/sbin/nvmecontrol/power.c

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static void static void
power_set(int fd, int power_val, int workload, int perm) power_set(int fd, int power_val, int workload, int perm)
{ {
struct nvme_pt_command pt; struct nvme_pt_command pt;
uint32_t p; uint32_t p;
p = perm ? (1u << 31) : 0; p = perm ? (1u << 31) : 0;
memset(&pt, 0, sizeof(pt)); memset(&pt, 0, sizeof(pt));
pt.cmd.opc_fuse = NVME_CMD_SET_OPC(NVME_OPC_SET_FEATURES); pt.cmd.opc = NVME_OPC_SET_FEATURES;
pt.cmd.cdw10 = htole32(NVME_FEAT_POWER_MANAGEMENT | p); pt.cmd.cdw10 = htole32(NVME_FEAT_POWER_MANAGEMENT | p);
pt.cmd.cdw11 = htole32(power_val | (workload << 5)); pt.cmd.cdw11 = htole32(power_val | (workload << 5));
if (ioctl(fd, NVME_PASSTHROUGH_CMD, &pt) < 0) if (ioctl(fd, NVME_PASSTHROUGH_CMD, &pt) < 0)
err(1, "set feature power mgmt request failed"); err(1, "set feature power mgmt request failed");
if (nvme_completion_is_error(&pt.cpl)) if (nvme_completion_is_error(&pt.cpl))
errx(1, "set feature power mgmt request returned error"); errx(1, "set feature power mgmt request returned error");
} }
static void static void
power_show(int fd) power_show(int fd)
{ {
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_GET_FEATURES); pt.cmd.opc = NVME_OPC_GET_FEATURES;
pt.cmd.cdw10 = htole32(NVME_FEAT_POWER_MANAGEMENT); pt.cmd.cdw10 = htole32(NVME_FEAT_POWER_MANAGEMENT);
if (ioctl(fd, NVME_PASSTHROUGH_CMD, &pt) < 0) if (ioctl(fd, NVME_PASSTHROUGH_CMD, &pt) < 0)
err(1, "set feature power mgmt request failed"); err(1, "set feature power mgmt request failed");
if (nvme_completion_is_error(&pt.cpl)) if (nvme_completion_is_error(&pt.cpl))
errx(1, "set feature power mgmt request returned error"); errx(1, "set feature power mgmt request returned error");
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