[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] [Xen-devel] [PATCH V6 15/15] acpi-piix4: Add Xen hypercall for sleep state.
From: Anthony PERARD <anthony.perard@xxxxxxxxxx> Signed-off-by: Anthony PERARD <anthony.perard@xxxxxxxxxx> --- hw/acpi_piix4.c | 4 ++++ hw/xen.h | 2 ++ xen-all.c | 7 +++++++ xen-stub.c | 4 ++++ 4 files changed, 17 insertions(+), 0 deletions(-) diff --git a/hw/acpi_piix4.c b/hw/acpi_piix4.c index f74f34c..c9a3694 100644 --- a/hw/acpi_piix4.c +++ b/hw/acpi_piix4.c @@ -23,6 +23,7 @@ #include "acpi.h" #include "sysemu.h" #include "range.h" +#include "xen.h" //#define DEBUG @@ -172,6 +173,9 @@ static void pm_ioport_writew(void *opaque, uint32_t addr, uint32_t val) if (s->cmos_s3) { qemu_irq_raise(s->cmos_s3); } + if (xen_enabled()) { + xen_set_hvm_sleep_state(); + } default: break; } diff --git a/hw/xen.h b/hw/xen.h index 0261ae6..23796bc 100644 --- a/hw/xen.h +++ b/hw/xen.h @@ -38,6 +38,8 @@ 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_set_hvm_sleep_state(void); + int xen_init(int smp_cpus); #if defined(NEED_CPU_H) && !defined(CONFIG_USER_ONLY) diff --git a/xen-all.c b/xen-all.c index fc862cb..11a5911 100644 --- a/xen-all.c +++ b/xen-all.c @@ -459,6 +459,13 @@ static void xen_main_loop_prepare(XenIOState *state) } +/* ACPI */ + +void xen_set_hvm_sleep_state(void) +{ + xc_set_hvm_param(xen_xc, xen_domid, HVM_PARAM_ACPI_S_STATE, 3); +} + /* Initialise Xen */ static void xen_vm_change_state_handler(void *opaque, int running, int reason) diff --git a/xen-stub.c b/xen-stub.c index c9f477d..d22f475 100644 --- a/xen-stub.c +++ b/xen-stub.c @@ -28,6 +28,10 @@ void xen_ram_alloc(ram_addr_t ram_addr, ram_addr_t size) { } +void xen_set_hvm_sleep_state(void) +{ +} + int xen_init(int smp_cpus) { return -ENOSYS; -- 1.7.1 _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel
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