From af4cff5d6f74460d34bc10f9dc3a9f91e4e11f2d Mon Sep 17 00:00:00 2001
From: Chia-I Wu <olvaffe@gmail.com>
Date: Wed, 4 Mar 2015 12:02:12 -0700
Subject: [PATCH] ilo: add some more winsys functions

Add intel_winsys_get_reset_stats(), intel_winsys_import_userptr(), and
intel_bo_map_async().  The latter two are stubs, but we are not going to use
them immediately either.
---
 src/gallium/drivers/ilo/intel_winsys.h        | 30 ++++++++++++++-
 .../winsys/intel/drm/intel_drm_winsys.c       | 38 ++++++++++++++++++-
 2 files changed, 66 insertions(+), 2 deletions(-)

diff --git a/src/gallium/drivers/ilo/intel_winsys.h b/src/gallium/drivers/ilo/intel_winsys.h
index 4ee35d7f5a9..5a199e2e819 100644
--- a/src/gallium/drivers/ilo/intel_winsys.h
+++ b/src/gallium/drivers/ilo/intel_winsys.h
@@ -111,6 +111,17 @@ int
 intel_winsys_read_reg(struct intel_winsys *winsys,
                       uint32_t reg, uint64_t *val);
 
+/**
+ * Return the numbers of submissions lost due to GPU reset.
+ *
+ * \param active_lost      Number of lost active/guilty submissions
+ * \param pending_lost     Number of lost pending/innocent submissions
+ */
+int
+intel_winsys_get_reset_stats(struct intel_winsys *winsys,
+                             struct intel_context *ctx,
+                             uint32_t *active_lost,
+                             uint32_t *pending_lost);
 /**
  * Allocate a buffer object.
  *
@@ -141,6 +152,19 @@ intel_winsys_alloc_buffer(struct intel_winsys *winsys,
          INTEL_TILING_NONE, size, 1, cpu_init);
 }
 
+/**
+ * Create a bo from a user memory pointer.  Both \p userptr and (\p pitch * \p
+ * height) must be page aligned.
+ */
+struct intel_bo *
+intel_winsys_import_userptr(struct intel_winsys *winsys,
+                            const char *name,
+                            void *userptr,
+                            enum intel_tiling_mode tiling,
+                            unsigned long pitch,
+                            unsigned long height,
+                            unsigned long flags);
+
 /**
  * Create a bo from a winsys handle.
  */
@@ -223,11 +247,15 @@ intel_bo_unreference(struct intel_bo *bo);
  * sequential writes, but reads would be very slow.  Callers always have a
  * linear view of the bo.
  *
- * map_gtt_async() is similar to map_gtt(), except that it does not block.
+ * map_async() and map_gtt_async() work similar to map() and map_gtt()
+ * respectively, except that they do not block.
  */
 void *
 intel_bo_map(struct intel_bo *bo, bool write_enable);
 
+void *
+intel_bo_map_async(struct intel_bo *bo);
+
 void *
 intel_bo_map_gtt(struct intel_bo *bo);
 
diff --git a/src/gallium/winsys/intel/drm/intel_drm_winsys.c b/src/gallium/winsys/intel/drm/intel_drm_winsys.c
index 9b94ac6b3a6..a41cbb04d72 100644
--- a/src/gallium/winsys/intel/drm/intel_drm_winsys.c
+++ b/src/gallium/winsys/intel/drm/intel_drm_winsys.c
@@ -55,6 +55,12 @@ struct intel_winsys {
    struct drm_intel_decode *decode;
 };
 
+static drm_intel_context *
+gem_ctx(const struct intel_context *ctx)
+{
+   return (drm_intel_context *) ctx;
+}
+
 static drm_intel_bo *
 gem_bo(const struct intel_bo *bo)
 {
@@ -244,7 +250,7 @@ void
 intel_winsys_destroy_context(struct intel_winsys *winsys,
                              struct intel_context *ctx)
 {
-   drm_intel_gem_context_destroy((drm_intel_context *) ctx);
+   drm_intel_gem_context_destroy(gem_ctx(ctx));
 }
 
 int
@@ -254,6 +260,18 @@ intel_winsys_read_reg(struct intel_winsys *winsys,
    return drm_intel_reg_read(winsys->bufmgr, reg, val);
 }
 
+int
+intel_winsys_get_reset_stats(struct intel_winsys *winsys,
+                             struct intel_context *ctx,
+                             uint32_t *active_lost,
+                             uint32_t *pending_lost)
+{
+   uint32_t reset_count;
+
+   return drm_intel_get_reset_stats(gem_ctx(ctx),
+         &reset_count, active_lost, pending_lost);
+}
+
 struct intel_bo *
 intel_winsys_alloc_bo(struct intel_winsys *winsys,
                       const char *name,
@@ -307,6 +325,18 @@ intel_winsys_alloc_bo(struct intel_winsys *winsys,
    return (struct intel_bo *) bo;
 }
 
+struct intel_bo *
+intel_winsys_import_userptr(struct intel_winsys *winsys,
+                            const char *name,
+                            void *userptr,
+                            enum intel_tiling_mode tiling,
+                            unsigned long pitch,
+                            unsigned long height,
+                            unsigned long flags)
+{
+   return NULL;
+}
+
 struct intel_bo *
 intel_winsys_import_handle(struct intel_winsys *winsys,
                            const char *name,
@@ -496,6 +526,12 @@ intel_bo_map(struct intel_bo *bo, bool write_enable)
    return gem_bo(bo)->virtual;
 }
 
+void *
+intel_bo_map_async(struct intel_bo *bo)
+{
+   return NULL;
+}
+
 void *
 intel_bo_map_gtt(struct intel_bo *bo)
 {
-- 
2.30.2