diff options
| author | Wachowski, Karol <karol.wachowski@intel.com> | 2024-06-11 14:04:26 +0200 |
|---|---|---|
| committer | Jacek Lawrynowicz <jacek.lawrynowicz@linux.intel.com> | 2024-06-14 09:14:29 +0200 |
| commit | 72b96ec655a59aa74d99b15527f7676e8926774f (patch) | |
| tree | b1de1c428e34674b5057b7a25c4963ab768b0163 /drivers/accel/ivpu/ivpu_mmu_context.h | |
| parent | f1432983d51b101c87dc86f9b5dbf64adfd0291d (diff) | |
accel/ivpu: Make parts of FW image read-only
Implement setting specified buffer ranges as read-only.
In case if specified range is not 64K aligned and 64K contiguous
MMU600 pages are turned on, split 64K mapping to allow 4K granularity
for read-only configuration.
Signed-off-by: Wachowski, Karol <karol.wachowski@intel.com>
Reviewed-by: Jacek Lawrynowicz <jacek.lawrynowicz@linux.intel.com>
Signed-off-by: Jacek Lawrynowicz <jacek.lawrynowicz@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240611120433.1012423-10-jacek.lawrynowicz@linux.intel.com
Diffstat (limited to 'drivers/accel/ivpu/ivpu_mmu_context.h')
| -rw-r--r-- | drivers/accel/ivpu/ivpu_mmu_context.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/accel/ivpu/ivpu_mmu_context.h b/drivers/accel/ivpu/ivpu_mmu_context.h index 535db3a1fc74..7f9aaf3d10c2 100644 --- a/drivers/accel/ivpu/ivpu_mmu_context.h +++ b/drivers/accel/ivpu/ivpu_mmu_context.h @@ -46,5 +46,7 @@ int ivpu_mmu_context_map_sgt(struct ivpu_device *vdev, struct ivpu_mmu_context * u64 vpu_addr, struct sg_table *sgt, bool llc_coherent); void ivpu_mmu_context_unmap_sgt(struct ivpu_device *vdev, struct ivpu_mmu_context *ctx, u64 vpu_addr, struct sg_table *sgt); +int ivpu_mmu_context_set_pages_ro(struct ivpu_device *vdev, struct ivpu_mmu_context *ctx, + u64 vpu_addr, size_t size); #endif /* __IVPU_MMU_CONTEXT_H__ */ |