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gpu: nvgpu: accept user vma size in vm init

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Modify nvgpu_vm_init to accept low_hole, user_reserved and
kernel_reserved. This will simplify argument limit checks and make code
more legible.

JIRA NVGPU-5302

Change-Id: I62773dd7b06264a3b6cb8896239b24c49fa69f9b
Signed-off-by: Vedashree Vidwans <vvidwans@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2394901
Reviewed-by: automaticguardword <automaticguardword@nvidia.com>
Reviewed-by: Automatic_Commit_Validation_User
Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com>
Reviewed-by: Alex Waterman <alexw@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
GVS: Gerrit_Virtual_Submit
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
This commit is contained in:
Vedashree Vidwans
2020-08-04 18:58:29 -07:00
committed by Alex Waterman
parent aef3367ca5
commit 49c9f0c137
23 changed files with 156 additions and 136 deletions
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15
userspace/units/mm/gmmu/page_table/page_table.c
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@@ -347,16 +347,15 @@ static int init_mm(struct unit_module *m, struct gk20a *g)
low_hole = SZ_4K * 16UL;
aperture_size = GK20A_PMU_VA_SIZE;
mm->pmu.aperture_size = GK20A_PMU_VA_SIZE;
mm->channel.user_size = NV_MM_DEFAULT_USER_SIZE -
NV_MM_DEFAULT_KERNEL_SIZE;
mm->channel.user_size = NV_MM_DEFAULT_USER_SIZE;
mm->channel.kernel_size = NV_MM_DEFAULT_KERNEL_SIZE;
mm->pmu.vm = nvgpu_vm_init(g,
g->ops.mm.gmmu.get_default_big_page_size(),
low_hole,
aperture_size - low_hole,
aperture_size,
0ULL,
nvgpu_safe_sub_u64(aperture_size, low_hole),
true,
false,
false,
@@ -953,7 +952,7 @@ static int check_pte_invalidated(struct unit_module *m, struct gk20a *g,
/* Create a VM based on requirements described in NVGPU-RQCD-45 */
static struct vm_gk20a *init_test_req_vm(struct gk20a *g)
{
u64 low_hole, aperture_size, kernel_reserved;
u64 low_hole, aperture_size, kernel_reserved, user_reserved;
bool big_pages;
/* Init some common attributes */
@@ -971,10 +970,12 @@ static struct vm_gk20a *init_test_req_vm(struct gk20a *g)
aperture_size = 128 * SZ_1G;
/* 1.4. Have a 4GB kernel reserved space */
kernel_reserved = 4 * SZ_1G;
/* 1.5. User reserved space */
user_reserved = aperture_size - kernel_reserved - low_hole;
return nvgpu_vm_init(g, g->ops.mm.gmmu.get_default_big_page_size(),
low_hole, kernel_reserved,
aperture_size, big_pages, true, true, "testmem");
low_hole, user_reserved, kernel_reserved,
big_pages, true, true, "testmem");
}
int test_nvgpu_page_table_c1_full(struct unit_module *m, struct gk20a *g,