Re: [PATCH] watchdog: remove -watchdog option

This was deprecated in 6.2 and is ready to go. It removes quite a bit of code that handled the registration of watchdog models. Signed-off-by: Paolo Bonzini <pbonzini(a)redhat.com&gt; --- docs/about/deprecated.rst | 5 ---- docs/about/removed-features.rst | 5 ++++ hw/watchdog/sbsa_gwdt.c | 6 ----- hw/watchdog/watchdog.c | 45 --------------------------------- hw/watchdog/wdt_aspeed.c | 6 ----- hw/watchdog/wdt_diag288.c | 6 ----- hw/watchdog/wdt_i6300esb.c | 6 ----- hw/watchdog/wdt_ib700.c | 6 ----- hw/watchdog/wdt_imx2.c | 6 ----- include/sysemu/watchdog.h | 12 --------- qemu-options.hx | 33 ++---------------------- softmmu/vl.c | 16 ------------ 12 files changed, 7 insertions(+), 145 deletions(-)

diff --git a/docs/about/deprecated.rst b/docs/about/deprecated.rst index a72fedba5f..93affe3669 100644 --- a/docs/about/deprecated.rst +++ b/docs/about/deprecated.rst @@ -81,11 +81,6 @@ the process listing. This is replaced by the new ``password-secret`` option which lets the password be securely provided on the command line using a ``secret`` object instance. -``-watchdog`` (since 6.2) -''''''''''''''''''''''''' - -Use ``-device`` instead. - ``-smp`` ("parameter=0" SMP configurations) (since 6.2) ''''''''''''''''''''''''''''''''''''''''''''''''''''''' diff --git a/docs/about/removed-features.rst b/docs/about/removed-features.rst index a4aa3dca69..63df9848fd 100644 --- a/docs/about/removed-features.rst +++ b/docs/about/removed-features.rst @@ -403,6 +403,11 @@ Sound card devices should be created using ``-device`` or ``-audio``. The exception is ``pcspk`` which can be activated using ``-machine pcspk-audiodev=<name>``. +``-watchdog`` (since 7.2) +''''''''''''''''''''''''' + +Use ``-device`` instead. + QEMU Machine Protocol (QMP) commands ------------------------------------ diff --git a/hw/watchdog/sbsa_gwdt.c b/hw/watchdog/sbsa_gwdt.c index e49cacd0e2..7aa57a8c51 100644 --- a/hw/watchdog/sbsa_gwdt.c +++ b/hw/watchdog/sbsa_gwdt.c @@ -24,11 +24,6 @@ #include "qemu/log.h" #include "qemu/module.h" -static WatchdogTimerModel model = { - .wdt_name = TYPE_WDT_SBSA, - .wdt_description = "SBSA-compliant generic watchdog device", -}; - static const VMStateDescription vmstate_sbsa_gwdt = { .name = "sbsa-gwdt", .version_id = 1, @@ -287,7 +282,6 @@ static const TypeInfo wdt_sbsa_gwdt_info = { static void wdt_sbsa_gwdt_register_types(void) { - watchdog_add_model(&model); type_register_static(&wdt_sbsa_gwdt_info); } diff --git a/hw/watchdog/watchdog.c b/hw/watchdog/watchdog.c index 1437e6c5b6..b132546516 100644 --- a/hw/watchdog/watchdog.c +++ b/hw/watchdog/watchdog.c @@ -31,51 +31,6 @@ #include "hw/nmi.h" #include "qemu/help_option.h" -static WatchdogAction watchdog_action = WATCHDOG_ACTION_RESET; -static QLIST_HEAD(, WatchdogTimerModel) watchdog_list; - -void watchdog_add_model(WatchdogTimerModel *model) -{ - QLIST_INSERT_HEAD(&watchdog_list, model, entry); -} - -/* Returns: - * 0 = continue - * 1 = exit program with error - * 2 = exit program without error - */ -int select_watchdog(const char *p) -{ - WatchdogTimerModel *model; - QemuOpts *opts; - - /* -watchdog ? lists available devices and exits cleanly. */ - if (is_help_option(p)) { - QLIST_FOREACH(model, &watchdog_list, entry) { - fprintf(stderr, "\t%s\t%s\n", - model->wdt_name, model->wdt_description); - } - return 2; - } - - QLIST_FOREACH(model, &watchdog_list, entry) { - if (strcasecmp(model->wdt_name, p) == 0) { - /* add the device */ - opts = qemu_opts_create(qemu_find_opts("device"), NULL, 0, - &error_abort); - qemu_opt_set(opts, "driver", p, &error_abort); - return 0; - } - } - - fprintf(stderr, "Unknown -watchdog device. Supported devices are:\n"); - QLIST_FOREACH(model, &watchdog_list, entry) { - fprintf(stderr, "\t%s\t%s\n", - model->wdt_name, model->wdt_description); - } - return 1; -} - WatchdogAction get_watchdog_action(void) { return watchdog_action; diff --git a/hw/watchdog/wdt_aspeed.c b/hw/watchdog/wdt_aspeed.c index 31855afdf4..d753693a2e 100644 --- a/hw/watchdog/wdt_aspeed.c +++ b/hw/watchdog/wdt_aspeed.c @@ -202,11 +202,6 @@ static void aspeed_wdt_write(void *opaque, hwaddr offset, uint64_t data, return; } -static WatchdogTimerModel model = { - .wdt_name = TYPE_ASPEED_WDT, - .wdt_description = "Aspeed watchdog device", -}; - static const VMStateDescription vmstate_aspeed_wdt = { .name = "vmstate_aspeed_wdt", .version_id = 0, @@ -416,7 +411,6 @@ static const TypeInfo aspeed_1030_wdt_info = { static void wdt_aspeed_register_types(void) { - watchdog_add_model(&model); type_register_static(&aspeed_wdt_info); type_register_static(&aspeed_2400_wdt_info); type_register_static(&aspeed_2500_wdt_info); diff --git a/hw/watchdog/wdt_diag288.c b/hw/watchdog/wdt_diag288.c index 9e8882a11c..76d89fbf78 100644 --- a/hw/watchdog/wdt_diag288.c +++ b/hw/watchdog/wdt_diag288.c @@ -19,11 +19,6 @@ #include "migration/vmstate.h" #include "qemu/log.h" -static WatchdogTimerModel model = { - .wdt_name = TYPE_WDT_DIAG288, - .wdt_description = "diag288 device for s390x platform", -}; - static const VMStateDescription vmstate_diag288 = { .name = "vmstate_diag288", .version_id = 0, @@ -138,7 +133,6 @@ static const TypeInfo wdt_diag288_info = { static void wdt_diag288_register_types(void) { - watchdog_add_model(&model); type_register_static(&wdt_diag288_info); } diff --git a/hw/watchdog/wdt_i6300esb.c b/hw/watchdog/wdt_i6300esb.c index f99a1c9d29..5693ec6a09 100644 --- a/hw/watchdog/wdt_i6300esb.c +++ b/hw/watchdog/wdt_i6300esb.c @@ -457,11 +457,6 @@ static void i6300esb_exit(PCIDevice *dev) timer_free(d->timer); } -static WatchdogTimerModel model = { - .wdt_name = "i6300esb", - .wdt_description = "Intel 6300ESB", -}; - static void i6300esb_class_init(ObjectClass *klass, void *data) { DeviceClass *dc = DEVICE_CLASS(klass); @@ -493,7 +488,6 @@ static const TypeInfo i6300esb_info = { static void i6300esb_register_types(void) { - watchdog_add_model(&model); type_register_static(&i6300esb_info); } diff --git a/hw/watchdog/wdt_ib700.c b/hw/watchdog/wdt_ib700.c index 91d1bdc0da..b116c3a3aa 100644 --- a/hw/watchdog/wdt_ib700.c +++ b/hw/watchdog/wdt_ib700.c @@ -128,11 +128,6 @@ static void wdt_ib700_reset(DeviceState *dev) timer_del(s->timer); } -static WatchdogTimerModel model = { - .wdt_name = "ib700", - .wdt_description = "iBASE 700", -}; - static void wdt_ib700_class_init(ObjectClass *klass, void *data) { DeviceClass *dc = DEVICE_CLASS(klass); @@ -153,7 +148,6 @@ static const TypeInfo wdt_ib700_info = { static void wdt_ib700_register_types(void) { - watchdog_add_model(&model); type_register_static(&wdt_ib700_info); } diff --git a/hw/watchdog/wdt_imx2.c b/hw/watchdog/wdt_imx2.c index c3128370b5..e776a2fbd4 100644 --- a/hw/watchdog/wdt_imx2.c +++ b/hw/watchdog/wdt_imx2.c @@ -291,14 +291,8 @@ static const TypeInfo imx2_wdt_info = { .class_init = imx2_wdt_class_init, }; -static WatchdogTimerModel model = { - .wdt_name = "imx2-watchdog", - .wdt_description = "i.MX2 Watchdog", -}; - static void imx2_wdt_register_type(void) { - watchdog_add_model(&model); type_register_static(&imx2_wdt_info); } type_init(imx2_wdt_register_type) diff --git a/include/sysemu/watchdog.h b/include/sysemu/watchdog.h index d2d4901dbb..745c89b02b 100644 --- a/include/sysemu/watchdog.h +++ b/include/sysemu/watchdog.h @@ -25,20 +25,8 @@ #include "qemu/queue.h" #include "qapi/qapi-types-run-state.h" -struct WatchdogTimerModel { - QLIST_ENTRY(WatchdogTimerModel) entry; - - /* Short name of the device - used to select it on the command line. */ - const char *wdt_name; - /* Longer description (eg. manufacturer and full model number). */ - const char *wdt_description; -}; -typedef struct WatchdogTimerModel WatchdogTimerModel; - /* in hw/watchdog.c */ -int select_watchdog(const char *p); WatchdogAction get_watchdog_action(void); -void watchdog_add_model(WatchdogTimerModel *model); void watchdog_perform_action(void); #endif /* QEMU_WATCHDOG_H */ diff --git a/qemu-options.hx b/qemu-options.hx index d8b5ce5b43..df4b8c8f1a 100644 --- a/qemu-options.hx +++ b/qemu-options.hx @@ -4330,7 +4330,7 @@ SRST ``-action panic=none`` ``-action reboot=shutdown,shutdown=pause`` - ``-watchdog i6300esb -action watchdog=pause`` + ``-device i6300esb -action watchdog=pause`` ERST @@ -4448,35 +4448,6 @@ SRST specifies the snapshot name used to load the initial VM state. ERST -DEF("watchdog", HAS_ARG, QEMU_OPTION_watchdog, \ - "-watchdog model\n" \ - " enable virtual hardware watchdog [default=none]\n", - QEMU_ARCH_ALL) -SRST -``-watchdog model`` - Create a virtual hardware watchdog device. Once enabled (by a guest - action), the watchdog must be periodically polled by an agent inside - the guest or else the guest will be restarted. Choose a model for - which your guest has drivers. - - The model is the model of hardware watchdog to emulate. Use - ``-watchdog help`` to list available hardware models. Only one - watchdog can be enabled for a guest. - - The following models may be available: - - ``ib700`` - iBASE 700 is a very simple ISA watchdog with a single timer. - - ``i6300esb`` - Intel 6300ESB I/O controller hub is a much more featureful - PCI-based dual-timer watchdog. - - ``diag288`` - A virtual watchdog for s390x backed by the diagnose 288 - hypercall (currently KVM only). -ERST - DEF("watchdog-action", HAS_ARG, QEMU_OPTION_watchdog_action, \ "-watchdog-action reset|shutdown|poweroff|inject-nmi|pause|debug|none\n" \ " action when watchdog fires [default=reset]\n", @@ -4498,7 +4469,7 @@ SRST Examples: - ``-watchdog i6300esb -watchdog-action pause``; \ ``-watchdog ib700`` + ``-device i6300esb -watchdog-action pause`` ERST diff --git a/softmmu/vl.c b/softmmu/vl.c index e62b9cc35d..b8788e765a 100644 --- a/softmmu/vl.c +++ b/softmmu/vl.c @@ -53,7 +53,6 @@ #include "hw/isa/isa.h" #include "hw/scsi/scsi.h" #include "hw/display/vga.h" -#include "sysemu/watchdog.h" #include "hw/firmware/smbios.h" #include "hw/acpi/acpi.h" #include "hw/xen/xen.h" @@ -181,7 +180,6 @@ static Chardev **serial_hds; static const char *log_mask; static const char *log_file; static bool list_data_dirs; -static const char *watchdog; static const char *qtest_chrdev; static const char *qtest_log; @@ -2329,12 +2327,6 @@ static void qemu_process_sugar_options(void) } object_register_sugar_prop("memory-backend", "prealloc", "on", false); } - - if (watchdog) { - int i = select_watchdog(watchdog); - if (i > 0) - exit (i == 1 ? 1 : 0); - } } /* -action processing */ @@ -3107,14 +3099,6 @@ void qemu_init(int argc, char **argv, char **envp) default_monitor = 0; } break; - case QEMU_OPTION_watchdog: - if (watchdog) { - error_report("only one watchdog option may be given"); - exit(1); - } - warn_report("-watchdog is deprecated; use -device instead."); - watchdog = optarg; - break; case QEMU_OPTION_action: olist = qemu_find_opts("action"); if (!qemu_opts_parse_noisily(olist, optarg, false)) {