diff options
Diffstat (limited to 'qga/commands-posix.c')
| -rw-r--r-- | qga/commands-posix.c | 73 |
1 files changed, 73 insertions, 0 deletions
diff --git a/qga/commands-posix.c b/qga/commands-posix.c index a5fbae00e9..69f209af87 100644 --- a/qga/commands-posix.c +++ b/qga/commands-posix.c @@ -26,6 +26,7 @@ #include "qemu/base64.h" #include "qemu/cutils.h" #include "commands-common.h" +#include "block/nvme.h" #ifdef HAVE_UTMPX #include <utmpx.h> @@ -35,6 +36,7 @@ #include <mntent.h> #include <linux/fs.h> #include <sys/statvfs.h> +#include <linux/nvme_ioctl.h> #ifdef CONFIG_LIBUDEV #include <libudev.h> @@ -1391,6 +1393,76 @@ static GuestDiskInfoList *get_disk_partitions( return ret; } +static void get_nvme_smart(GuestDiskInfo *disk) +{ + int fd; + GuestNVMeSmart *smart; + NvmeSmartLog log = {0}; + struct nvme_admin_cmd cmd = { + .opcode = NVME_ADM_CMD_GET_LOG_PAGE, + .nsid = NVME_NSID_BROADCAST, + .addr = (uintptr_t)&log, + .data_len = sizeof(log), + .cdw10 = NVME_LOG_SMART_INFO | (1 << 15) /* RAE bit */ + | (((sizeof(log) >> 2) - 1) << 16) + }; + + fd = qemu_open_old(disk->name, O_RDONLY); + if (fd == -1) { + g_debug("Failed to open device: %s: %s", disk->name, g_strerror(errno)); + return; + } + + if (ioctl(fd, NVME_IOCTL_ADMIN_CMD, &cmd)) { + g_debug("Failed to get smart: %s: %s", disk->name, g_strerror(errno)); + close(fd); + return; + } + + disk->has_smart = true; + disk->smart = g_new0(GuestDiskSmart, 1); + disk->smart->type = GUEST_DISK_BUS_TYPE_NVME; + + smart = &disk->smart->u.nvme; + smart->critical_warning = log.critical_warning; + smart->temperature = lduw_le_p(&log.temperature); /* unaligned field */ + smart->available_spare = log.available_spare; + smart->available_spare_threshold = log.available_spare_threshold; + smart->percentage_used = log.percentage_used; + smart->data_units_read_lo = le64_to_cpu(log.data_units_read[0]); + smart->data_units_read_hi = le64_to_cpu(log.data_units_read[1]); + smart->data_units_written_lo = le64_to_cpu(log.data_units_written[0]); + smart->data_units_written_hi = le64_to_cpu(log.data_units_written[1]); + smart->host_read_commands_lo = le64_to_cpu(log.host_read_commands[0]); + smart->host_read_commands_hi = le64_to_cpu(log.host_read_commands[1]); + smart->host_write_commands_lo = le64_to_cpu(log.host_write_commands[0]); + smart->host_write_commands_hi = le64_to_cpu(log.host_write_commands[1]); + smart->controller_busy_time_lo = le64_to_cpu(log.controller_busy_time[0]); + smart->controller_busy_time_hi = le64_to_cpu(log.controller_busy_time[1]); + smart->power_cycles_lo = le64_to_cpu(log.power_cycles[0]); + smart->power_cycles_hi = le64_to_cpu(log.power_cycles[1]); + smart->power_on_hours_lo = le64_to_cpu(log.power_on_hours[0]); + smart->power_on_hours_hi = le64_to_cpu(log.power_on_hours[1]); + smart->unsafe_shutdowns_lo = le64_to_cpu(log.unsafe_shutdowns[0]); + smart->unsafe_shutdowns_hi = le64_to_cpu(log.unsafe_shutdowns[1]); + smart->media_errors_lo = le64_to_cpu(log.media_errors[0]); + smart->media_errors_hi = le64_to_cpu(log.media_errors[1]); + smart->number_of_error_log_entries_lo = + le64_to_cpu(log.number_of_error_log_entries[0]); + smart->number_of_error_log_entries_hi = + le64_to_cpu(log.number_of_error_log_entries[1]); + + close(fd); +} + +static void get_disk_smart(GuestDiskInfo *disk) +{ + if (disk->has_address + && (disk->address->bus_type == GUEST_DISK_BUS_TYPE_NVME)) { + get_nvme_smart(disk); + } +} + GuestDiskInfoList *qmp_guest_get_disks(Error **errp) { GuestDiskInfoList *ret = NULL; @@ -1464,6 +1536,7 @@ GuestDiskInfoList *qmp_guest_get_disks(Error **errp) } get_disk_deps(disk_dir, disk); + get_disk_smart(disk); ret = get_disk_partitions(ret, de->d_name, disk_dir, dev_name); } |