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dm: vmmapi: augment the vm_get_config() vmmapi to include a struct platform_info* parameter

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This allows users to retrieve and use the requested platform_info information from hypervisor

Tracked-On: #6020
Reviewed-by: Wang, Yu1 <yu1.wang@intel.com>
Signed-off-by: dongshen <dongsheng.x.zhang@intel.com>
This commit is contained in:
dongshen
2021-05-19 17:33:03 -07:00
committed by wenlingz
parent 3e1fa0fb98
commit 6680208ed9
4 changed files with 25 additions and 5 deletions
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21
devicemodel/include/public/vhm_ioctl_defs.h
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@@ -329,8 +329,25 @@ struct platform_info {
/** version of this structure */
uint16_t version;
/** Align the size of version & hardware info to 128Bytes. */
uint8_t reserved0[124];
uint32_t l2_cat_shift;
uint32_t l3_cat_shift;
#define MAX_PLATFORM_LAPIC_IDS 64U
/** pLAPIC ID list */
uint8_t lapic_ids[MAX_PLATFORM_LAPIC_IDS];
/**
* sizeof(uint8_t reserved0[]) + sizeof(l2_cat_shift)
* + sizeof(l3_cat_shift) + sizeof(uint8_t lapic_ids[]) = 124
*
* Note:
* 1. DM needs to use the same logic as hypervisor to calculate vLAPIC IDs
* based on physical APIC IDs and CPU affinity setting.
*
* 2. Can only support at most 116 cores. And it assumes LAPIC ID is 8bits
* (X2APIC mode supports 32 bits)
*/
uint8_t reserved0[116U - MAX_PLATFORM_LAPIC_IDS];
/** Configuration Information */
/** Maximum vCPU number for one VM. */