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drm/i915/gvt: Introduce page table type of current level in GTT type enumerations

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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>
This commit is contained in:
Zhi Wang 2017-10-10 17:19:30 +08:00 committed by Zhenyu Wang
parent 7422064883
commit 054f4eba2a
1 changed files with 21 additions and 1 deletions
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22
drivers/gpu/drm/i915/gvt/gtt.c
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@ -156,13 +156,15 @@ int intel_gvt_ggtt_h2g_index(struct intel_vgpu *vgpu, unsigned long h_index,
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 type)
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;