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dm: add IOCTL command to get platform information

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Add interface to get hardware information and
  configurations for current platform.

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 2019-04-17 23:45:54 +08:00 committed by wenlingz
parent 5a51d0bfb5
commit 0ae5ef3a29
1 changed files with 20 additions and 0 deletions
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20
devicemodel/include/public/vhm_ioctl_defs.h
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@ -64,6 +64,7 @@
/* General */ /* General */
#define IC_ID_GEN_BASE 0x0UL #define IC_ID_GEN_BASE 0x0UL
#define IC_GET_API_VERSION _IC_ID(IC_ID, IC_ID_GEN_BASE + 0x00) #define IC_GET_API_VERSION _IC_ID(IC_ID, IC_ID_GEN_BASE + 0x00)
#define IC_GET_PLATFORM_INFO _IC_ID(IC_ID, IC_ID_GEN_BASE + 0x03)
/* VM management */ /* VM management */
#define IC_ID_VM_BASE 0x10UL #define IC_ID_VM_BASE 0x10UL
@ -205,6 +206,25 @@ struct api_version {
uint32_t minor_version; uint32_t minor_version;
}; };
/**
* @brief data structure to track VHM platform information
*/
struct 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);
struct acrn_ioeventfd { struct acrn_ioeventfd {
#define ACRN_IOEVENTFD_FLAG_PIO 0x01 #define ACRN_IOEVENTFD_FLAG_PIO 0x01
#define ACRN_IOEVENTFD_FLAG_DATAMATCH 0x02 #define ACRN_IOEVENTFD_FLAG_DATAMATCH 0x02