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Tsirkin" To: qemu-devel@nongnu.org Cc: Peter Maydell , Thomas =?utf-8?Q?Wei=C3=9Fschuh?= , Cornelia Huck , Paolo Bonzini Subject: [PULL v3 36/41] hw/misc/pvpanic: add support for normal shutdowns Message-ID: <72b448b0eb1521e4583a2b2a7746db9704a379b7.1717630437.git.mst@redhat.com> References: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Disposition: inline Content-Transfer-Encoding: quoted-printable In-Reply-To: X-Mailer: git-send-email 2.27.0.106.g8ac3dc51b1 X-Mutt-Fcc: =sent Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=170.10.133.124; envelope-from=mst@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H4=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @redhat.com) X-ZM-MESSAGEID: 1717630658050100005 From: Thomas Wei=C3=9Fschuh Shutdown requests are normally hardware dependent. By extending pvpanic to also handle shutdown requests, guests can submit such requests with an easily implementable and cross-platform mechanism. Acked-by: Cornelia Huck Signed-off-by: Thomas Wei=C3=9Fschuh Message-Id: <20240527-pvpanic-shutdown-v8-5-5a28ec02558b@t-8ch.de> Reviewed-by: Michael S. Tsirkin Signed-off-by: Michael S. Tsirkin --- include/hw/misc/pvpanic.h | 4 +++- include/sysemu/runstate.h | 1 + hw/misc/pvpanic.c | 5 +++++ system/runstate.c | 5 +++++ 4 files changed, 14 insertions(+), 1 deletion(-) diff --git a/include/hw/misc/pvpanic.h b/include/hw/misc/pvpanic.h index 947468b81b..04986537af 100644 --- a/include/hw/misc/pvpanic.h +++ b/include/hw/misc/pvpanic.h @@ -20,7 +20,9 @@ =20 #include "standard-headers/linux/pvpanic.h" =20 -#define PVPANIC_EVENTS (PVPANIC_PANICKED | PVPANIC_CRASH_LOADED) +#define PVPANIC_EVENTS (PVPANIC_PANICKED | \ + PVPANIC_CRASH_LOADED | \ + PVPANIC_SHUTDOWN) =20 #define TYPE_PVPANIC_ISA_DEVICE "pvpanic" #define TYPE_PVPANIC_PCI_DEVICE "pvpanic-pci" diff --git a/include/sysemu/runstate.h b/include/sysemu/runstate.h index 0117d243c4..e210a37abf 100644 --- a/include/sysemu/runstate.h +++ b/include/sysemu/runstate.h @@ -104,6 +104,7 @@ void qemu_system_killed(int signal, pid_t pid); void qemu_system_reset(ShutdownCause reason); void qemu_system_guest_panicked(GuestPanicInformation *info); void qemu_system_guest_crashloaded(GuestPanicInformation *info); +void qemu_system_guest_pvshutdown(void); bool qemu_system_dump_in_progress(void); =20 #endif diff --git a/hw/misc/pvpanic.c b/hw/misc/pvpanic.c index a4982cc592..0e9505451a 100644 --- a/hw/misc/pvpanic.c +++ b/hw/misc/pvpanic.c @@ -40,6 +40,11 @@ static void handle_event(int event) qemu_system_guest_crashloaded(NULL); return; } + + if (event & PVPANIC_SHUTDOWN) { + qemu_system_guest_pvshutdown(); + return; + } } =20 /* return supported events on read */ diff --git a/system/runstate.c b/system/runstate.c index cb4905a40f..83055f3278 100644 --- a/system/runstate.c +++ b/system/runstate.c @@ -585,6 +585,11 @@ void qemu_system_guest_crashloaded(GuestPanicInformati= on *info) qapi_free_GuestPanicInformation(info); } =20 +void qemu_system_guest_pvshutdown(void) +{ + qemu_system_shutdown_request(SHUTDOWN_CAUSE_GUEST_SHUTDOWN); +} + void qemu_system_reset_request(ShutdownCause reason) { if (reboot_action =3D=3D REBOOT_ACTION_SHUTDOWN && --=20 MST