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authorKarol Wachowski <karol.wachowski@linux.intel.com>2023-05-18 16:16:02 +0300
committerStanislaw Gruszka <stanislaw.gruszka@linux.intel.com>2023-06-08 08:53:33 +0300
commita2fd4a6fae7d7542816452da97bbabfd49a0874c (patch)
treeb95c58d59228c73787a5a48ccee44c7a8e084b00 /drivers/accel/ivpu/ivpu_mmu_context.h
parentcab032239a3767dba22d33d3762474eb2a85691a (diff)
downloadlinux-a2fd4a6fae7d7542816452da97bbabfd49a0874c.tar.xz
accel/ivpu: Add MMU support for 4 level page mappings
Program additional fourth level required for mappings with VA above 38bits. Co-developed-by: Raymond Tan <raymond.tan@intel.com> Signed-off-by: Raymond Tan <raymond.tan@intel.com> Signed-off-by: Karol Wachowski <karol.wachowski@linux.intel.com> Reviewed-by: Stanislaw Gruszka <stanislaw.gruszka@linux.intel.com> Reviewed-by: Jeffrey Hugo <quic_jhugo@quicinc.com> Signed-off-by: Stanislaw Gruszka <stanislaw.gruszka@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20230518131605.650622-3-stanislaw.gruszka@linux.intel.com
Diffstat (limited to 'drivers/accel/ivpu/ivpu_mmu_context.h')
-rw-r--r--drivers/accel/ivpu/ivpu_mmu_context.h5
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/accel/ivpu/ivpu_mmu_context.h b/drivers/accel/ivpu/ivpu_mmu_context.h
index ddf11b95023a..29acc1151569 100644
--- a/drivers/accel/ivpu/ivpu_mmu_context.h
+++ b/drivers/accel/ivpu/ivpu_mmu_context.h
@@ -12,10 +12,11 @@ struct ivpu_device;
struct ivpu_file_priv;
struct ivpu_addr_range;
-#define IVPU_MMU_PGTABLE_ENTRIES 512
+#define IVPU_MMU_PGTABLE_ENTRIES 512ull
struct ivpu_mmu_pgtable {
- u64 **pgd_cpu_entries[IVPU_MMU_PGTABLE_ENTRIES];
+ u64 ***pgd_far_entries[IVPU_MMU_PGTABLE_ENTRIES];
+ u64 **pgd_cpu_entries[IVPU_MMU_PGTABLE_ENTRIES];
u64 *pgd_entries[IVPU_MMU_PGTABLE_ENTRIES];
u64 *pgd;
dma_addr_t pgd_dma;