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hugetlb: add ept map memseg support

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adding API vm_map_memseg_vma() which using ioctl IC_SET_MEMSEG call
into VHM for futher mem(ept) mapping, based on user vma information.

Signed-off-by: Jason Chen CJ <jason.cj.chen@intel.com>
Acked-by: Xu, Anthony <anthony.xu@intel.com>
This commit is contained in:
Jason Chen CJ
2018-01-30 22:58:40 +08:00
committed by Jack Ren
parent 4cad694be2
commit 25ef14edac
4 changed files with 52 additions and 11 deletions
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5
devicemodel/include/vmmapi.h
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@@ -89,6 +89,9 @@ enum vm_mmap_style {
#define VM_MEMSEG_NAME(m) ((m)->name[0] != '\0' ? (m)->name : NULL)
#define PROT_RW (PROT_READ | PROT_WRITE)
#define PROT_ALL (PROT_READ | PROT_WRITE | PROT_EXEC)
struct vm_lapic_msi {
uint64_t msg;
uint64_t addr;
@@ -120,6 +123,8 @@ void vm_set_suspend_mode(enum vm_suspend_how how);
int vm_get_suspend_mode(void);
void vm_destroy(struct vmctx *ctx);
int vm_parse_memsize(const char *optarg, size_t *memsize);
int vm_map_memseg_vma(struct vmctx *ctx, size_t len, vm_paddr_t gpa,
uint64_t vma, int prot);
int vm_setup_memory(struct vmctx *ctx, size_t len, enum vm_mmap_style s);
void vm_unsetup_memory(struct vmctx *ctx);
bool check_hugetlb_support(void);