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hypercall: add set_memmaps hypercall support

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Add set_memmaps hypercall to support multi regions memmap.

Signed-off-by: Jason Chen CJ <jason.cj.chen@intel.com>
Acked-by: Eddie Dong <eddie.dong@intel.com>
This commit is contained in:
Jason Chen CJ
2018-05-15 10:08:58 +08:00
committed by lijinxia
parent e2b7f3ca91
commit 71e1ae17ce
4 changed files with 140 additions and 42 deletions
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41
hypervisor/include/public/acrn_hv_defs.h
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@@ -80,6 +80,7 @@
#define HC_ID_MEM_BASE 0x40UL
#define HC_VM_SET_MEMMAP _HC_ID(HC_ID, HC_ID_MEM_BASE + 0x00)
#define HC_VM_GPA2HPA _HC_ID(HC_ID, HC_ID_MEM_BASE + 0x01)
#define HC_VM_SET_MEMMAPS _HC_ID(HC_ID, HC_ID_MEM_BASE + 0x02)
/* PCI assignment*/
#define HC_ID_PCI_BASE 0x50UL
@@ -140,8 +141,8 @@ struct vm_set_memmap {
/** map type: MAP_MEM, MAP_MMIO or MAP_UNMAP */
uint32_t type;
/** reserved for alignment padding */
uint32_t reserved;
/** memory attributes: memory type + RWX access right */
uint32_t prot;
/** guest physical address to map */
uint64_t remote_gpa;
@@ -152,10 +153,46 @@ struct vm_set_memmap {
/** length of the map range */
uint64_t length;
/** old memory attributes(will be removed in the future):
* memory type + RWX access right */
uint32_t prot_2;
} __aligned(8);
struct memory_map {
/** map type: MAP_MEM, MAP_MMIO or MAP_UNMAP */
uint32_t type;
/** memory attributes: memory type + RWX access right */
uint32_t prot;
/** guest physical address to map */
uint64_t remote_gpa;
/** VM0's guest physcial address which remote gpa will be mapped to */
uint64_t vm0_gpa;
/** length of the map range */
uint64_t length;
} __aligned(8);
/**
* multi memmap regions hypercall, used for HC_VM_SET_MEMMAPS
*/
struct set_memmaps {
/** vmid for this hypercall */
uint64_t vmid;
/** multi memmaps numbers */
uint32_t memmaps_num;
/** the gpa of memmaps buffer, point to the memmaps array:
* struct memory_map regions[memmaps_num]
* the max buffer size is one page.
*/
uint64_t memmaps_gpa;
} __attribute__((aligned(8)));
/**
* Setup parameter for share buffer, used for HC_SETUP_SBUF hypercall
*/