diff options
Diffstat (limited to 'qga')
| -rw-r--r-- | qga/commands-posix.c | 87 |
1 files changed, 55 insertions, 32 deletions
diff --git a/qga/commands-posix.c b/qga/commands-posix.c index 7b7c78d85a..bd2c3514d8 100644 --- a/qga/commands-posix.c +++ b/qga/commands-posix.c @@ -1474,15 +1474,38 @@ qmp_guest_fstrim(bool has_minimum, int64_t minimum, Error **errp) #define LINUX_SYS_STATE_FILE "/sys/power/state" #define SUSPEND_SUPPORTED 0 #define SUSPEND_NOT_SUPPORTED 1 +#define SUSPEND_MODE_DISK 1 +#define SUSPEND_MODE_RAM 2 +#define SUSPEND_MODE_HYBRID 3 -static void bios_supports_mode(const char *pmutils_bin, const char *pmutils_arg, - const char *sysfile_str, Error **errp) +static void bios_supports_mode(int suspend_mode, Error **errp) { Error *local_err = NULL; + const char *pmutils_arg, *sysfile_str; + const char *pmutils_bin = "pm-is-supported"; char *pmutils_path; pid_t pid; int status; + switch (suspend_mode) { + + case SUSPEND_MODE_DISK: + pmutils_arg = "--hibernate"; + sysfile_str = "disk"; + break; + case SUSPEND_MODE_RAM: + pmutils_arg = "--suspend"; + sysfile_str = "mem"; + break; + case SUSPEND_MODE_HYBRID: + pmutils_arg = "--suspend-hybrid"; + sysfile_str = NULL; + break; + default: + error_setg(errp, "guest suspend mode not supported"); + return; + } + pmutils_path = g_find_program_in_path(pmutils_bin); pid = fork(); @@ -1559,14 +1582,39 @@ out: g_free(pmutils_path); } -static void guest_suspend(const char *pmutils_bin, const char *sysfile_str, - Error **errp) +static void guest_suspend(int suspend_mode, Error **errp) { Error *local_err = NULL; + const char *pmutils_bin, *sysfile_str; char *pmutils_path; pid_t pid; int status; + bios_supports_mode(suspend_mode, &local_err); + if (local_err) { + error_propagate(errp, local_err); + return; + } + + switch (suspend_mode) { + + case SUSPEND_MODE_DISK: + pmutils_bin = "pm-hibernate"; + sysfile_str = "disk"; + break; + case SUSPEND_MODE_RAM: + pmutils_bin = "pm-suspend"; + sysfile_str = "mem"; + break; + case SUSPEND_MODE_HYBRID: + pmutils_bin = "pm-suspend-hybrid"; + sysfile_str = NULL; + break; + default: + error_setg(errp, "unknown guest suspend mode"); + return; + } + pmutils_path = g_find_program_in_path(pmutils_bin); pid = fork(); @@ -1629,42 +1677,17 @@ out: void qmp_guest_suspend_disk(Error **errp) { - Error *local_err = NULL; - - bios_supports_mode("pm-is-supported", "--hibernate", "disk", &local_err); - if (local_err) { - error_propagate(errp, local_err); - return; - } - - guest_suspend("pm-hibernate", "disk", errp); + guest_suspend(SUSPEND_MODE_DISK, errp); } void qmp_guest_suspend_ram(Error **errp) { - Error *local_err = NULL; - - bios_supports_mode("pm-is-supported", "--suspend", "mem", &local_err); - if (local_err) { - error_propagate(errp, local_err); - return; - } - - guest_suspend("pm-suspend", "mem", errp); + guest_suspend(SUSPEND_MODE_RAM, errp); } void qmp_guest_suspend_hybrid(Error **errp) { - Error *local_err = NULL; - - bios_supports_mode("pm-is-supported", "--suspend-hybrid", NULL, - &local_err); - if (local_err) { - error_propagate(errp, local_err); - return; - } - - guest_suspend("pm-suspend-hybrid", NULL, errp); + guest_suspend(SUSPEND_MODE_HYBRID, errp); } static GuestNetworkInterfaceList * |