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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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12
devicemodel/core/hugetlb.c
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@@ -487,6 +487,18 @@ int hugetlb_setup_memory(struct vmctx *ctx)
}
printf("total_size 0x%lx\n\n", total_size);
/* map ept for lowmem*/
if (vm_map_memseg_vma(ctx, ctx->lowmem, 0,
(uint64_t)ctx->baseaddr, PROT_ALL) < 0)
goto err;
/* map ept for highmem*/
if (ctx->highmem > 0) {
if (vm_map_memseg_vma(ctx, ctx->highmem, 4 * GB,
(uint64_t)(ctx->baseaddr + 4 * GB), PROT_ALL) < 0)
goto err;
}
return 0;
err: