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X-Received-From: 66.165.176.89 Cc: Anthony PERARD , Xen Devel , Stefano Stabellini Subject: [Qemu-devel] [PATCH V13 17/17] xen: Add Xen hypercall for sleep state in the cmos_s3 callback. X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org From: Anthony PERARD Signed-off-by: Anthony PERARD --- hw/pc_piix.c | 6 +++++- hw/xen.h | 1 + xen-all.c | 9 +++++++++ xen-stub.c | 4 ++++ 4 files changed, 19 insertions(+), 1 deletions(-) diff --git a/hw/pc_piix.c b/hw/pc_piix.c index 27d3253..d2ecd19 100644 --- a/hw/pc_piix.c +++ b/hw/pc_piix.c @@ -178,7 +178,11 @@ static void pc_init1(ram_addr_t ram_size, if (pci_enabled && acpi_enabled) { i2c_bus *smbus; - cmos_s3 = qemu_allocate_irqs(pc_cmos_set_s3_resume, rtc_state, 1); + if (!xen_enabled()) { + cmos_s3 = qemu_allocate_irqs(pc_cmos_set_s3_resume, rtc_state, 1); + } else { + cmos_s3 = qemu_allocate_irqs(xen_cmos_set_s3_resume, rtc_state, 1); + } smi_irq = qemu_allocate_irqs(pc_acpi_smi_interrupt, first_cpu, 1); /* TODO: Populate SPD eeprom data. */ smbus = piix4_pm_init(pci_bus, piix3_devfn + 3, 0xb100, diff --git a/hw/xen.h b/hw/xen.h index 6245b38..d435ca0 100644 --- a/hw/xen.h +++ b/hw/xen.h @@ -43,6 +43,7 @@ static inline int xen_mapcache_enabled(void) int xen_pci_slot_get_pirq(PCIDevice *pci_dev, int irq_num); void xen_piix3_set_irq(void *opaque, int irq_num, int level); void xen_piix_pci_write_config_client(uint32_t address, uint32_t val, int len); +void xen_cmos_set_s3_resume(void *opaque, int irq, int level); qemu_irq *xen_interrupt_controller_init(void); diff --git a/xen-all.c b/xen-all.c index 19c2fe1..0eac202 100644 --- a/xen-all.c +++ b/xen-all.c @@ -9,6 +9,7 @@ #include #include "hw/pci.h" +#include "hw/pc.h" #include "hw/xen_common.h" #include "hw/xen_backend.h" @@ -99,6 +100,14 @@ void xen_piix_pci_write_config_client(uint32_t address, uint32_t val, int len) } } +void xen_cmos_set_s3_resume(void *opaque, int irq, int level) +{ + pc_cmos_set_s3_resume(opaque, irq, level); + if (level) { + xc_set_hvm_param(xen_xc, xen_domid, HVM_PARAM_ACPI_S_STATE, 3); + } +} + /* Xen Interrupt Controller */ static void xen_set_irq(void *opaque, int irq, int level) diff --git a/xen-stub.c b/xen-stub.c index 8d2fa54..a4f35a1 100644 --- a/xen-stub.c +++ b/xen-stub.c @@ -22,6 +22,10 @@ void xen_piix_pci_write_config_client(uint32_t address, uint32_t val, int len) { } +void xen_cmos_set_s3_resume(void *opaque, int irq, int level) +{ +} + void xen_ram_alloc(ram_addr_t ram_addr, ram_addr_t size) { }