[5/7] drm/i915: Update PV INFO page definition for Intel GVT-g

Commit Message

Zhiyuan Lv Aug. 20, 2015, 3:18 a.m. UTC

Some more definitions in the PV info page are added. They are mainly
for the guest notification to Intel GVT-g device model. They are used
for Broadwell enabling.

Signed-off-by: Zhiyuan Lv <[e-mail]>
Signed-off-by: Zhi Wang <[e-mail]>
---
 drivers/gpu/drm/i915/i915_vgpu.h | 34 ++++++++++++++++++++++++++++++++--
 1 file changed, 32 insertions(+), 2 deletions(-)

Patch

diff --git a/drivers/gpu/drm/i915/i915_vgpu.h b/drivers/gpu/drm/i915/i915_vgpu.h
index 97a88b5..21c97f4 100644
--- a/drivers/gpu/drm/i915/i915_vgpu.h
+++ b/drivers/gpu/drm/i915/i915_vgpu.h
@@ -40,6 +40,19 @@ 
 #define INTEL_VGT_IF_VERSION \
 	INTEL_VGT_IF_VERSION_ENCODE(VGT_VERSION_MAJOR, VGT_VERSION_MINOR)
 
+/*
+ * notifications from guest to vgpu device model
+ */
+enum vgt_g2v_type {
+	VGT_G2V_PPGTT_L3_PAGE_TABLE_CREATE = 2,
+	VGT_G2V_PPGTT_L3_PAGE_TABLE_DESTROY,
+	VGT_G2V_PPGTT_L4_PAGE_TABLE_CREATE,
+	VGT_G2V_PPGTT_L4_PAGE_TABLE_DESTROY,
+	VGT_G2V_EXECLIST_CONTEXT_CREATE,
+	VGT_G2V_EXECLIST_CONTEXT_DESTROY,
+	VGT_G2V_MAX,
+};
+
 struct vgt_if {
 	uint64_t magic;		/* VGT_MAGIC */
 	uint16_t version_major;
@@ -70,11 +83,28 @@  struct vgt_if {
 	uint32_t rsv3[0x200 - 24];	/* pad to half page */
 	/*
 	 * The bottom half page is for response from Gfx driver to hypervisor.
-	 * Set to reserved fields temporarily by now.
 	 */
 	uint32_t rsv4;
 	uint32_t display_ready;	/* ready for display owner switch */
-	uint32_t rsv5[0x200 - 2];	/* pad to one page */
+
+	uint32_t rsv5[4];
+
+	uint32_t g2v_notify;
+	uint32_t rsv6[7];
+
+	uint32_t pdp0_lo;
+	uint32_t pdp0_hi;
+	uint32_t pdp1_lo;
+	uint32_t pdp1_hi;
+	uint32_t pdp2_lo;
+	uint32_t pdp2_hi;
+	uint32_t pdp3_lo;
+	uint32_t pdp3_hi;
+
+	uint32_t execlist_context_descriptor_lo;
+	uint32_t execlist_context_descriptor_hi;
+
+	uint32_t  rsv7[0x200 - 24];    /* pad to one page */
 } __packed;
 
 #define vgtif_reg(x) \