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| author | Liu Jinsong <jinsong.liu@intel.com> | 2013-01-25 08:43:34 +0100 |
|---|---|---|
| committer | Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> | 2013-02-20 04:02:29 +0100 |
| commit | 39adc483d378f79711f291539f20e3797337892d (patch) | |
| tree | 7f045e2f284864f5f16cb3b072d2cb25e6e16801 /include/xen | |
| parent | xen/acpi: Move xen_acpi_get_pxm to Xen's acpi.h (diff) | |
| download | linux-39adc483d378f79711f291539f20e3797337892d.tar.xz linux-39adc483d378f79711f291539f20e3797337892d.zip | |
xen/acpi: ACPI cpu hotplug
This patch implement real Xen ACPI cpu hotplug driver as module.
When loaded, it replaces Xen stub driver.
For booting existed cpus, the driver enumerates them.
For hotadded cpus, which added at runtime and notify OS via
device or container event, the driver is invoked to add them,
parsing cpu information, hypercalling to Xen hypervisor to add
them, and finally setting up new /sys interface for them.
Signed-off-by: Liu Jinsong <jinsong.liu@intel.com>
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Diffstat (limited to 'include/xen')
| -rw-r--r-- | include/xen/acpi.h | 3 | ||||
| -rw-r--r-- | include/xen/interface/platform.h | 8 |
2 files changed, 11 insertions, 0 deletions
diff --git a/include/xen/acpi.h b/include/xen/acpi.h index dc69c91605b8..c962d5f5b38b 100644 --- a/include/xen/acpi.h +++ b/include/xen/acpi.h @@ -54,6 +54,9 @@ void xen_stub_memory_device_exit(void); int xen_stub_processor_init(void); void xen_stub_processor_exit(void); +void xen_pcpu_hotplug_sync(void); +int xen_pcpu_id(uint32_t acpi_id); + int xen_acpi_notify_hypervisor_state(u8 sleep_state, u32 pm1a_cnt, u32 pm1b_cnd); diff --git a/include/xen/interface/platform.h b/include/xen/interface/platform.h index 2c4fb4bb07df..c57d5f67f702 100644 --- a/include/xen/interface/platform.h +++ b/include/xen/interface/platform.h @@ -324,6 +324,13 @@ struct xenpf_cpu_ol { }; DEFINE_GUEST_HANDLE_STRUCT(xenpf_cpu_ol); +#define XENPF_cpu_hotadd 58 +struct xenpf_cpu_hotadd { + uint32_t apic_id; + uint32_t acpi_id; + uint32_t pxm; +}; + #define XENPF_mem_hotadd 59 struct xenpf_mem_hotadd { uint64_t spfn; @@ -361,6 +368,7 @@ struct xen_platform_op { struct xenpf_set_processor_pminfo set_pminfo; struct xenpf_pcpuinfo pcpu_info; struct xenpf_cpu_ol cpu_ol; + struct xenpf_cpu_hotadd cpu_add; struct xenpf_mem_hotadd mem_add; struct xenpf_core_parking core_parking; uint8_t pad[128]; |