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hv: add new hypercall to fetch platform configurations

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add new hypercall get platform information,
 such as physical CPU number.

Tracked-On: #2538
Signed-off-by: Yonghua Huang <yonghua.huang@intel.com>
Acked-by: Eddie Dong <eddie.dong@intel.com>
This commit is contained in:
Yonghua Huang
2019-02-15 19:57:36 +08:00
committed by Eddie Dong
parent e216f3060c
commit 46480f6e23
4 changed files with 66 additions and 0 deletions
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20
hypervisor/include/public/acrn_hv_defs.h
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@@ -28,6 +28,7 @@
#define HC_GET_API_VERSION BASE_HC_ID(HC_ID, HC_ID_GEN_BASE + 0x00UL)
#define HC_SOS_OFFLINE_CPU BASE_HC_ID(HC_ID, HC_ID_GEN_BASE + 0x01UL)
#define HC_SET_CALLBACK_VECTOR BASE_HC_ID(HC_ID, HC_ID_GEN_BASE + 0x02UL)
#define HC_GET_PLATFORM_INFO BASE_HC_ID(HC_ID, HC_ID_GEN_BASE + 0x03UL)
/* VM management */
#define HC_ID_VM_BASE 0x10UL
@@ -281,6 +282,25 @@ struct hc_api_version {
uint32_t minor_version;
} __aligned(8);
/**
* Hypervisor API, return it for HC_GET_PLATFORM_INFO hypercall
*/
struct hc_platform_info {
/** Hardware Information */
/** Physical CPU number */
uint16_t cpu_num;
/** Align the size of version & hardware info to 128Bytes. */
uint8_t reserved0[126];
/** Configuration Information */
/** Maximum vCPU number for one VM. */
uint16_t max_vcpus_per_vm;
/** Align the size of Configuration info to 128Bytes. */
uint8_t reserved1[126];
} __aligned(8);
/**
* Trusty boot params, used for HC_INITIALIZE_TRUSTY
*/