diff options
author | Thomas Hellstrom <thellstrom@vmware.com> | 2015-09-08 08:54:55 +0200 |
---|---|---|
committer | Thomas Hellstrom <thellstrom@vmware.com> | 2015-09-08 09:02:16 -0700 |
commit | 861a088817e950d29d1652287569573920892ca8 (patch) | |
tree | 68842b088dd6c3bd20426892b0d7d181795924a2 /vmwgfx_mob.c | |
parent | 503d660f939fdca75dac8cf3ca5939ae1f8dfbea (diff) |
vmwgfx: Initial DX support
Initial DX support.
Co-authored with Sinclair Yeh, Charmaine Lee and Jakob Bornecrantz.
Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
Signed-off-by: Sinclair Yeh <syeh@vmware.com>
Signed-off-by: Charmaine Lee <charmainel@vmware.com>
Diffstat (limited to 'vmwgfx_mob.c')
-rw-r--r-- | vmwgfx_mob.c | 165 |
1 files changed, 104 insertions, 61 deletions
diff --git a/vmwgfx_mob.c b/vmwgfx_mob.c index beecc4b..27d6c4b 100644 --- a/vmwgfx_mob.c +++ b/vmwgfx_mob.c @@ -75,9 +75,23 @@ struct vmw_mob { * @size: Size of the table (page-aligned). * @page_table: Pointer to a struct vmw_mob holding the page table. */ -struct vmw_otable { - unsigned long size; - struct vmw_mob *page_table; +static const struct vmw_otable pre_dx_tables[] = { + {VMWGFX_NUM_MOB * SVGA3D_OTABLE_MOB_ENTRY_SIZE, NULL, true}, + {VMWGFX_NUM_GB_SURFACE * SVGA3D_OTABLE_SURFACE_ENTRY_SIZE, NULL, true}, + {VMWGFX_NUM_GB_CONTEXT * SVGA3D_OTABLE_CONTEXT_ENTRY_SIZE, NULL, true}, + {VMWGFX_NUM_GB_SHADER * SVGA3D_OTABLE_SHADER_ENTRY_SIZE, NULL, true}, + {VMWGFX_NUM_GB_SCREEN_TARGET * SVGA3D_OTABLE_SCREEN_TARGET_ENTRY_SIZE, + NULL, VMWGFX_ENABLE_SCREEN_TARGET_OTABLE} +}; + +static const struct vmw_otable dx_tables[] = { + {VMWGFX_NUM_MOB * SVGA3D_OTABLE_MOB_ENTRY_SIZE, NULL, true}, + {VMWGFX_NUM_GB_SURFACE * SVGA3D_OTABLE_SURFACE_ENTRY_SIZE, NULL, true}, + {VMWGFX_NUM_GB_CONTEXT * SVGA3D_OTABLE_CONTEXT_ENTRY_SIZE, NULL, true}, + {VMWGFX_NUM_GB_SHADER * SVGA3D_OTABLE_SHADER_ENTRY_SIZE, NULL, true}, + {VMWGFX_NUM_GB_SCREEN_TARGET * SVGA3D_OTABLE_SCREEN_TARGET_ENTRY_SIZE, + NULL, VMWGFX_ENABLE_SCREEN_TARGET_OTABLE}, + {VMWGFX_NUM_DXCONTEXT * sizeof(SVGAOTableDXContextEntry), NULL, true}, }; static int vmw_mob_pt_populate(struct vmw_private *dev_priv, @@ -100,6 +114,7 @@ static void vmw_mob_pt_setup(struct vmw_mob *mob, */ static int vmw_setup_otable_base(struct vmw_private *dev_priv, SVGAOTableType type, + struct ttm_buffer_object *otable_bo, unsigned long offset, struct vmw_otable *otable) { @@ -114,7 +129,7 @@ static int vmw_setup_otable_base(struct vmw_private *dev_priv, BUG_ON(otable->page_table != NULL); - vsgt = vmw_bo_sg_table(dev_priv->otable_bo); + vsgt = vmw_bo_sg_table(otable_bo); vmw_piter_start(&iter, vsgt, offset >> PAGE_SHIFT); WARN_ON(!vmw_piter_next(&iter)); @@ -224,47 +239,21 @@ static void vmw_takedown_otable_base(struct vmw_private *dev_priv, otable->page_table = NULL; } -/* - * vmw_otables_setup - Set up guest backed memory object tables - * - * @dev_priv: Pointer to a device private structure - * - * Takes care of the device guest backed surface - * initialization, by setting up the guest backed memory object tables. - * Returns 0 on success and various error codes on failure. A succesful return - * means the object tables can be taken down using the vmw_otables_takedown - * function. - */ -int vmw_otables_setup(struct vmw_private *dev_priv) + +static int vmw_otable_batch_setup(struct vmw_private *dev_priv, + struct vmw_otable_batch *batch) { unsigned long offset; unsigned long bo_size; - struct vmw_otable *otables; + struct vmw_otable *otables = batch->otables; SVGAOTableType i; int ret; - otables = kzalloc(SVGA_OTABLE_DX9_MAX * sizeof(*otables), - GFP_KERNEL); - if (unlikely(otables == NULL)) { - DRM_ERROR("Failed to allocate space for otable " - "metadata.\n"); - return -ENOMEM; - } - - otables[SVGA_OTABLE_MOB].size = - VMWGFX_NUM_MOB * SVGA3D_OTABLE_MOB_ENTRY_SIZE; - otables[SVGA_OTABLE_SURFACE].size = - VMWGFX_NUM_GB_SURFACE * SVGA3D_OTABLE_SURFACE_ENTRY_SIZE; - otables[SVGA_OTABLE_CONTEXT].size = - VMWGFX_NUM_GB_CONTEXT * SVGA3D_OTABLE_CONTEXT_ENTRY_SIZE; - otables[SVGA_OTABLE_SHADER].size = - VMWGFX_NUM_GB_SHADER * SVGA3D_OTABLE_SHADER_ENTRY_SIZE; - otables[SVGA_OTABLE_SCREENTARGET].size = - VMWGFX_NUM_GB_SCREEN_TARGET * - SVGA3D_OTABLE_SCREEN_TARGET_ENTRY_SIZE; - bo_size = 0; - for (i = 0; i < SVGA_OTABLE_DX9_MAX; ++i) { + for (i = 0; i < batch->num_otables; ++i) { + if (!otables[i].enabled) + continue; + otables[i].size = (otables[i].size + PAGE_SIZE - 1) & PAGE_MASK; bo_size += otables[i].size; @@ -274,63 +263,107 @@ int vmw_otables_setup(struct vmw_private *dev_priv) ttm_bo_type_device, &vmw_sys_ne_placement, 0, 0, false, NULL, - &dev_priv->otable_bo); + &batch->otable_bo); if (unlikely(ret != 0)) goto out_no_bo; - ret = ttm_bo_reserve(dev_priv->otable_bo, false, true, false, false); + ret = ttm_bo_reserve(batch->otable_bo, false, true, false, false); BUG_ON(ret != 0); - ret = ttm_tt_populate(dev_priv->otable_bo->ttm); + ret = ttm_tt_populate(batch->otable_bo->ttm); if (unlikely(ret != 0)) goto out_unreserve; - ret = vmw_bo_map_dma(dev_priv->otable_bo); + ret = vmw_bo_map_dma(batch->otable_bo); if (unlikely(ret != 0)) goto out_unreserve; - ttm_bo_unreserve(dev_priv->otable_bo); + ttm_bo_unreserve(batch->otable_bo); offset = 0; - for (i = 0; i < SVGA_OTABLE_DX9_MAX - VMW_OTABLE_SETUP_SUB; ++i) { - ret = vmw_setup_otable_base(dev_priv, i, offset, + for (i = 0; i < batch->num_otables; ++i) { + if (!batch->otables[i].enabled) + continue; + + ret = vmw_setup_otable_base(dev_priv, i, batch->otable_bo, + offset, &otables[i]); if (unlikely(ret != 0)) goto out_no_setup; offset += otables[i].size; } - dev_priv->otables = otables; return 0; out_unreserve: - ttm_bo_unreserve(dev_priv->otable_bo); + ttm_bo_unreserve(batch->otable_bo); out_no_setup: - for (i = 0; i < SVGA_OTABLE_DX9_MAX - VMW_OTABLE_SETUP_SUB; ++i) - vmw_takedown_otable_base(dev_priv, i, &otables[i]); + for (i = 0; i < batch->num_otables; ++i) { + if (batch->otables[i].enabled) + vmw_takedown_otable_base(dev_priv, i, + &batch->otables[i]); + } - ttm_bo_unref(&dev_priv->otable_bo); + ttm_bo_unref(&batch->otable_bo); out_no_bo: - kfree(otables); return ret; } /* - * vmw_otables_takedown - Take down guest backed memory object tables + * vmw_otables_setup - Set up guest backed memory object tables * * @dev_priv: Pointer to a device private structure * - * Take down the Guest Memory Object tables. + * Takes care of the device guest backed surface + * initialization, by setting up the guest backed memory object tables. + * Returns 0 on success and various error codes on failure. A successful return + * means the object tables can be taken down using the vmw_otables_takedown + * function. */ -void vmw_otables_takedown(struct vmw_private *dev_priv) + +int vmw_otables_setup(struct vmw_private *dev_priv) +{ + struct vmw_otable **otables = &dev_priv->otable_batch.otables; + int ret; + + if (dev_priv->has_dx) { + *otables = kmalloc(sizeof(dx_tables), GFP_KERNEL); + if (*otables == NULL) + return -ENOMEM; + + memcpy(*otables, dx_tables, sizeof(dx_tables)); + dev_priv->otable_batch.num_otables = ARRAY_SIZE(dx_tables); + } else { + *otables = kmalloc(sizeof(pre_dx_tables), GFP_KERNEL); + if (*otables == NULL) + return -ENOMEM; + + memcpy(*otables, pre_dx_tables, sizeof(pre_dx_tables)); + dev_priv->otable_batch.num_otables = ARRAY_SIZE(pre_dx_tables); + } + + ret = vmw_otable_batch_setup(dev_priv, &dev_priv->otable_batch); + if (unlikely(ret != 0)) + goto out_setup; + + return 0; + +out_setup: + kfree(*otables); + return ret; +} + +static void vmw_otable_batch_takedown(struct vmw_private *dev_priv, + struct vmw_otable_batch *batch) { SVGAOTableType i; - struct ttm_buffer_object *bo = dev_priv->otable_bo; + struct ttm_buffer_object *bo = batch->otable_bo; int ret; - for (i = 0; i < SVGA_OTABLE_DX9_MAX - VMW_OTABLE_SETUP_SUB; ++i) - vmw_takedown_otable_base(dev_priv, i, - &dev_priv->otables[i]); + for (i = 0; i < batch->num_otables; ++i) + if (batch->otables[i].enabled) + vmw_takedown_otable_base(dev_priv, i, + &batch->otables[i]); ret = ttm_bo_reserve(bo, false, true, false, false); BUG_ON(ret != 0); @@ -338,11 +371,21 @@ void vmw_otables_takedown(struct vmw_private *dev_priv) vmw_fence_single_bo(bo, NULL, (void *) DRM_VMW_FENCE_FLAG_EXEC); ttm_bo_unreserve(bo); - ttm_bo_unref(&dev_priv->otable_bo); - kfree(dev_priv->otables); - dev_priv->otables = NULL; + ttm_bo_unref(&batch->otable_bo); } +/* + * vmw_otables_takedown - Take down guest backed memory object tables + * + * @dev_priv: Pointer to a device private structure + * + * Take down the Guest Memory Object tables. + */ +void vmw_otables_takedown(struct vmw_private *dev_priv) +{ + vmw_otable_batch_takedown(dev_priv, &dev_priv->otable_batch); + kfree(dev_priv->otable_batch.otables); +} /* * vmw_mob_calculate_pt_pages - Calculate the number of page table pages |