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https://git.in.rschanz.org/ryan77627/guix.git
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0f6f9317ac
* gnu/packages/patches/qemu-build-info-manual.patch: Remove configure script stanza. * gnu/packages/patches/qemu-fix-agent-paths.patch: Adjust patch context. Use execl instead of execle to stay consistent with upstream. * gnu/packages/virtualization.scm (qemu): Update to 7.1.0.
65 lines
2.8 KiB
Diff
65 lines
2.8 KiB
Diff
Allow a QEMU host to set the time and shutdown Guix guests. Styled
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after the patch from the Nix package:
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https://github.com/NixOS/nixpkgs/blob/master/pkgs/applications/virtualization/qemu/fix-qemu-ga.patch
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diff --git a/qga/commands-posix.c b/qga/commands-posix.c
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--- a/qga/commands-posix.c
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+++ b/qga/commands-posix.c
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@@ -84,6 +84,7 @@ static void ga_wait_child(pid_t pid, int *status, Error **errp)
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void qmp_guest_shutdown(bool has_mode, const char *mode, Error **errp)
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{
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const char *shutdown_flag;
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+ const char *command;
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Error *local_err = NULL;
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pid_t pid;
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int status;
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@@ -101,10 +102,13 @@ void qmp_guest_shutdown(bool has_mode, const char *mode, Error **errp)
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slog("guest-shutdown called, mode: %s", mode);
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if (!has_mode || strcmp(mode, "powerdown") == 0) {
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shutdown_flag = powerdown_flag;
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+ command = "shutdown";
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} else if (strcmp(mode, "halt") == 0) {
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shutdown_flag = halt_flag;
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+ command = "halt";
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} else if (strcmp(mode, "reboot") == 0) {
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shutdown_flag = reboot_flag;
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+ command = "reboot";
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} else {
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error_setg(errp,
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"mode is invalid (valid values are: halt|powerdown|reboot");
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@@ -123,6 +127,11 @@ void qmp_guest_shutdown(bool has_mode, const char *mode, Error **errp)
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execl("/sbin/shutdown", "shutdown", shutdown_flag, "-g0", "-y",
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"hypervisor initiated shutdown", (char *)NULL);
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#else
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+ /* try Guix’s shutdown/halt/reboot first */
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+ char *path = g_strdup_printf("/run/current-system/profile/sbin/%s", command);
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+ execl(path, command, (char *)NULL);
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+ g_free(path);
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+
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execl("/sbin/shutdown", "shutdown", "-h", shutdown_flag, "+0",
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"hypervisor initiated shutdown", (char *)NULL);
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#endif
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@@ -159,10 +168,12 @@ void qmp_guest_set_time(bool has_time, int64_t time_ns, Error **errp)
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Error *local_err = NULL;
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struct timeval tv;
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static const char hwclock_path[] = "/sbin/hwclock";
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+ static const char hwclock_path_guix[] = "/run/current-system/profile/sbin/hwclock";
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static int hwclock_available = -1;
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if (hwclock_available < 0) {
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- hwclock_available = (access(hwclock_path, X_OK) == 0);
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+ hwclock_available = (access(hwclock_path_guix, X_OK) == 0) ||
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+ (access(hwclock_path, X_OK) == 0);
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}
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if (!hwclock_available) {
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@@ -208,6 +219,8 @@ void qmp_guest_set_time(bool has_time, int64_t time_ns, Error **errp)
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/* Use '/sbin/hwclock -w' to set RTC from the system time,
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* or '/sbin/hwclock -s' to set the system time from RTC. */
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+ execl(hwclock_path_guix, "hwclock", has_time ? "-w" : "-s",
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+ NULL);
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execl(hwclock_path, "hwclock", has_time ? "-w" : "-s", NULL);
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_exit(EXIT_FAILURE);
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} else if (pid < 0) {
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