From 054f4eba2a2985b1db43353b7b5ce90e96cf9bb9 Mon Sep 17 00:00:00 2001
From: Zhi Wang <zhi.a.wang@intel.com>
Date: Tue, 10 Oct 2017 17:19:30 +0800
Subject: [PATCH] drm/i915/gvt: Introduce page table type of current level in GTT type enumerations
Git-commit: 054f4eba2a2985b1db43353b7b5ce90e96cf9bb9
Patch-mainline: v4.16-rc1
References: FATE#322643 bsc#1055900
Need to figure out page table type of current level by GTT entry type
during getting a scratch page table entry.
Signed-off-by: Zhi Wang <zhi.a.wang@intel.com>
Acked-by: Takashi Iwai <tiwai@suse.de>
---
drivers/gpu/drm/i915/gvt/gtt.c | 22 +++++++++++++++++++++-
1 file changed, 21 insertions(+), 1 deletion(-)
--- a/drivers/gpu/drm/i915/gvt/gtt.c
+++ b/drivers/gpu/drm/i915/gvt/gtt.c
@@ -156,13 +156,15 @@ int intel_gvt_ggtt_h2g_index(struct inte
struct gtt_type_table_entry {
int entry_type;
+ int pt_type;
int next_pt_type;
int pse_entry_type;
};
-#define GTT_TYPE_TABLE_ENTRY(type, e_type, npt_type, pse_type) \
+#define GTT_TYPE_TABLE_ENTRY(type, e_type, cpt_type, npt_type, pse_type) \
[type] = { \
.entry_type = e_type, \
+ .pt_type = cpt_type, \
.next_pt_type = npt_type, \
.pse_entry_type = pse_type, \
}
@@ -170,55 +172,68 @@ struct gtt_type_table_entry {
static struct gtt_type_table_entry gtt_type_table[] = {
GTT_TYPE_TABLE_ENTRY(GTT_TYPE_PPGTT_ROOT_L4_ENTRY,
GTT_TYPE_PPGTT_ROOT_L4_ENTRY,
+ GTT_TYPE_INVALID,
GTT_TYPE_PPGTT_PML4_PT,
GTT_TYPE_INVALID),
GTT_TYPE_TABLE_ENTRY(GTT_TYPE_PPGTT_PML4_PT,
GTT_TYPE_PPGTT_PML4_ENTRY,
+ GTT_TYPE_PPGTT_PML4_PT,
GTT_TYPE_PPGTT_PDP_PT,
GTT_TYPE_INVALID),
GTT_TYPE_TABLE_ENTRY(GTT_TYPE_PPGTT_PML4_ENTRY,
GTT_TYPE_PPGTT_PML4_ENTRY,
+ GTT_TYPE_PPGTT_PML4_PT,
GTT_TYPE_PPGTT_PDP_PT,
GTT_TYPE_INVALID),
GTT_TYPE_TABLE_ENTRY(GTT_TYPE_PPGTT_PDP_PT,
GTT_TYPE_PPGTT_PDP_ENTRY,
+ GTT_TYPE_PPGTT_PDP_PT,
GTT_TYPE_PPGTT_PDE_PT,
GTT_TYPE_PPGTT_PTE_1G_ENTRY),
GTT_TYPE_TABLE_ENTRY(GTT_TYPE_PPGTT_ROOT_L3_ENTRY,
GTT_TYPE_PPGTT_ROOT_L3_ENTRY,
+ GTT_TYPE_INVALID,
GTT_TYPE_PPGTT_PDE_PT,
GTT_TYPE_PPGTT_PTE_1G_ENTRY),
GTT_TYPE_TABLE_ENTRY(GTT_TYPE_PPGTT_PDP_ENTRY,
GTT_TYPE_PPGTT_PDP_ENTRY,
+ GTT_TYPE_PPGTT_PDP_PT,
GTT_TYPE_PPGTT_PDE_PT,
GTT_TYPE_PPGTT_PTE_1G_ENTRY),
GTT_TYPE_TABLE_ENTRY(GTT_TYPE_PPGTT_PDE_PT,
GTT_TYPE_PPGTT_PDE_ENTRY,
+ GTT_TYPE_PPGTT_PDE_PT,
GTT_TYPE_PPGTT_PTE_PT,
GTT_TYPE_PPGTT_PTE_2M_ENTRY),
GTT_TYPE_TABLE_ENTRY(GTT_TYPE_PPGTT_PDE_ENTRY,
GTT_TYPE_PPGTT_PDE_ENTRY,
+ GTT_TYPE_PPGTT_PDE_PT,
GTT_TYPE_PPGTT_PTE_PT,
GTT_TYPE_PPGTT_PTE_2M_ENTRY),
GTT_TYPE_TABLE_ENTRY(GTT_TYPE_PPGTT_PTE_PT,
GTT_TYPE_PPGTT_PTE_4K_ENTRY,
+ GTT_TYPE_PPGTT_PTE_PT,
GTT_TYPE_INVALID,
GTT_TYPE_INVALID),
GTT_TYPE_TABLE_ENTRY(GTT_TYPE_PPGTT_PTE_4K_ENTRY,
GTT_TYPE_PPGTT_PTE_4K_ENTRY,
+ GTT_TYPE_PPGTT_PTE_PT,
GTT_TYPE_INVALID,
GTT_TYPE_INVALID),
GTT_TYPE_TABLE_ENTRY(GTT_TYPE_PPGTT_PTE_2M_ENTRY,
GTT_TYPE_PPGTT_PDE_ENTRY,
+ GTT_TYPE_PPGTT_PDE_PT,
GTT_TYPE_INVALID,
GTT_TYPE_PPGTT_PTE_2M_ENTRY),
GTT_TYPE_TABLE_ENTRY(GTT_TYPE_PPGTT_PTE_1G_ENTRY,
GTT_TYPE_PPGTT_PDP_ENTRY,
+ GTT_TYPE_PPGTT_PDP_PT,
GTT_TYPE_INVALID,
GTT_TYPE_PPGTT_PTE_1G_ENTRY),
GTT_TYPE_TABLE_ENTRY(GTT_TYPE_GGTT_PTE,
GTT_TYPE_GGTT_PTE,
GTT_TYPE_INVALID,
+ GTT_TYPE_INVALID,
GTT_TYPE_INVALID),
};
@@ -227,6 +242,11 @@ static inline int get_next_pt_type(int t
return gtt_type_table[type].next_pt_type;
}
+static inline int get_pt_type(int type)
+{
+ return gtt_type_table[type].pt_type;
+}
+
static inline int get_entry_type(int type)
{
return gtt_type_table[type].entry_type;