-
/****************************************************************************
- * Copyright (C) 2003-2006 by XGI Technology, Taiwan.
- * *
- * All Rights Reserved. *
- * *
+ * Copyright (C) 2003-2006 by XGI Technology, Taiwan.
+ *
+ * All Rights Reserved.
+ *
* Permission is hereby granted, free of charge, to any person obtaining
- * a copy of this software and associated documentation files (the
- * "Software"), to deal in the Software without restriction, including
- * without limitation on the rights to use, copy, modify, merge,
- * publish, distribute, sublicense, and/or sell copies of the Software,
- * and to permit persons to whom the Software is furnished to do so,
- * subject to the following conditions:
- * *
- * The above copyright notice and this permission notice (including the
- * next paragraph) shall be included in all copies or substantial
- * portions of the Software.
- * *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
- * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
- * NON-INFRINGEMENT. IN NO EVENT SHALL XGI AND/OR
- * ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
- * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
- * DEALINGS IN THE SOFTWARE.
+ * a copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation on the rights to use, copy, modify, merge,
+ * publish, distribute, sublicense, and/or sell copies of the Software,
+ * and to permit persons to whom the Software is furnished to do so,
+ * subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial
+ * portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
+ * XGI AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
***************************************************************************/
#include "xgi_drv.h"
#define XGI_FB_HEAP_START 0x1000000
-struct kmem_cache *xgi_mem_block_cache = NULL;
-
-static struct xgi_mem_block *xgi_mem_new_node(void);
-
-
-int xgi_mem_heap_init(struct xgi_mem_heap *heap, unsigned int start,
- unsigned int end)
+int xgi_alloc(struct xgi_info * info, struct xgi_mem_alloc * alloc,
+ struct drm_file * filp)
{
- struct xgi_mem_block *block;
+ struct drm_memblock_item *block;
+ const char *const mem_name = (alloc->location == XGI_MEMLOC_LOCAL)
+ ? "on-card" : "GART";
- INIT_LIST_HEAD(&heap->free_list);
- INIT_LIST_HEAD(&heap->used_list);
- INIT_LIST_HEAD(&heap->sort_list);
- heap->initialized = TRUE;
- block = kmem_cache_alloc(xgi_mem_block_cache, GFP_KERNEL);
- if (!block) {
- return DRM_ERR(ENOMEM);
+ if ((alloc->location != XGI_MEMLOC_LOCAL)
+ && (alloc->location != XGI_MEMLOC_NON_LOCAL)) {
+ DRM_ERROR("Invalid memory pool (0x%08x) specified.\n",
+ alloc->location);
+ return -EINVAL;
}
- block->offset = start;
- block->size = end - start;
-
- list_add(&block->list, &heap->free_list);
-
- heap->max_freesize = end - start;
-
- return 0;
-}
-
-
-void xgi_mem_heap_cleanup(struct xgi_mem_heap * heap)
-{
- struct list_head *free_list;
- struct xgi_mem_block *block;
- struct xgi_mem_block *next;
- int i;
-
- free_list = &heap->free_list;
- for (i = 0; i < 3; i++, free_list++) {
- list_for_each_entry_safe(block, next, free_list, list) {
- DRM_INFO
- ("No. %d block->offset: 0x%lx block->size: 0x%lx \n",
- i, block->offset, block->size);
- kmem_cache_free(xgi_mem_block_cache, block);
- block = NULL;
- }
- }
-
- heap->initialized = 0;
-}
-
-
-struct xgi_mem_block *xgi_mem_new_node(void)
-{
- struct xgi_mem_block *block =
- kmem_cache_alloc(xgi_mem_block_cache, GFP_KERNEL);
-
- if (!block) {
- DRM_ERROR("kmem_cache_alloc failed\n");
- return NULL;
+ if ((alloc->location == XGI_MEMLOC_LOCAL)
+ ? !info->fb_heap_initialized : !info->pcie_heap_initialized) {
+ DRM_ERROR("Attempt to allocate from uninitialized memory "
+ "pool (0x%08x).\n", alloc->location);
+ return -EINVAL;
}
- block->offset = 0;
- block->size = 0;
- block->owner = PCIE_INVALID;
- block->filp = (DRMFILE) -1;
-
- return block;
-}
-
-
-struct xgi_mem_block *xgi_mem_alloc(struct xgi_mem_heap * heap,
- unsigned long originalSize,
- enum PcieOwner owner)
-{
- struct xgi_mem_block *block, *free_block, *used_block;
- unsigned long size = (originalSize + PAGE_SIZE - 1) & PAGE_MASK;
+ mutex_lock(&info->dev->struct_mutex);
+ block = drm_sman_alloc(&info->sman, alloc->location, alloc->size,
+ 0, (unsigned long) filp);
+ mutex_unlock(&info->dev->struct_mutex);
-
- DRM_INFO("Original 0x%lx bytes requested, really 0x%lx allocated\n",
- originalSize, size);
-
- if (size == 0) {
- DRM_ERROR("size == 0\n");
- return (NULL);
- }
- DRM_INFO("max_freesize: 0x%lx \n", heap->max_freesize);
- if (size > heap->max_freesize) {
- DRM_ERROR
- ("size: 0x%lx is bigger than frame buffer total free size: 0x%lx !\n",
- size, heap->max_freesize);
- return (NULL);
- }
-
- list_for_each_entry(block, &heap->free_list, list) {
- DRM_INFO("block: 0x%px \n", block);
- if (size <= block->size) {
- break;
- }
- }
-
- if (&block->list == &heap->free_list) {
- DRM_ERROR
- ("Can't allocate %ldk size from frame buffer memory !\n",
- size / 1024);
- return (NULL);
- }
-
- free_block = block;
- DRM_INFO("alloc size: 0x%lx from offset: 0x%lx size: 0x%lx \n",
- size, free_block->offset, free_block->size);
-
- if (size == free_block->size) {
- used_block = free_block;
- DRM_INFO("size == free_block->size: free_block = 0x%p\n",
- free_block);
- list_del(&free_block->list);
+ if (block == NULL) {
+ alloc->size = 0;
+ DRM_ERROR("%s memory allocation failed\n", mem_name);
+ return -ENOMEM;
} else {
- used_block = xgi_mem_new_node();
-
- if (used_block == NULL)
- return (NULL);
-
- if (used_block == free_block) {
- DRM_ERROR("used_block == free_block = 0x%p\n",
- used_block);
+ alloc->offset = (*block->mm->offset)(block->mm,
+ block->mm_info);
+ alloc->hw_addr = alloc->offset;
+ alloc->index = block->user_hash.key;
+
+ if (block->user_hash.key != (unsigned long) alloc->index) {
+ DRM_ERROR("%s truncated handle %lx for pool %d "
+ "offset %x\n",
+ __func__, block->user_hash.key,
+ alloc->location, alloc->offset);
}
- used_block->offset = free_block->offset;
- used_block->size = size;
-
- free_block->offset += size;
- free_block->size -= size;
- }
-
- heap->max_freesize -= size;
-
- list_add(&used_block->list, &heap->used_list);
- used_block->owner = owner;
-
- return (used_block);
-}
-
-int xgi_mem_free(struct xgi_mem_heap * heap, unsigned long offset,
- DRMFILE filp)
-{
- struct xgi_mem_block *used_block = NULL, *block;
- struct xgi_mem_block *prev, *next;
-
- unsigned long upper;
- unsigned long lower;
-
- list_for_each_entry(block, &heap->used_list, list) {
- if (block->offset == offset) {
- break;
+ if (alloc->location == XGI_MEMLOC_NON_LOCAL) {
+ alloc->hw_addr += info->pcie.base;
}
- }
- if (&block->list == &heap->used_list) {
- DRM_ERROR("can't find block: 0x%lx to free!\n", offset);
- return DRM_ERR(ENOENT);
- }
-
- if (block->filp != filp) {
- return DRM_ERR(EPERM);
- }
-
- used_block = block;
- DRM_INFO("used_block: 0x%p, offset = 0x%lx, size = 0x%lx\n",
- used_block, used_block->offset, used_block->size);
-
- heap->max_freesize += used_block->size;
-
- prev = next = NULL;
- upper = used_block->offset + used_block->size;
- lower = used_block->offset;
-
- list_for_each_entry(block, &heap->free_list, list) {
- if (block->offset == upper) {
- next = block;
- } else if ((block->offset + block->size) == lower) {
- prev = block;
- }
- }
-
- DRM_INFO("next = 0x%p, prev = 0x%p\n", next, prev);
- list_del(&used_block->list);
-
- if (prev && next) {
- prev->size += (used_block->size + next->size);
- list_del(&next->list);
- DRM_INFO("free node 0x%p\n", next);
- kmem_cache_free(xgi_mem_block_cache, next);
- kmem_cache_free(xgi_mem_block_cache, used_block);
- }
- else if (prev) {
- prev->size += used_block->size;
- DRM_INFO("free node 0x%p\n", used_block);
- kmem_cache_free(xgi_mem_block_cache, used_block);
- }
- else if (next) {
- next->size += used_block->size;
- next->offset = used_block->offset;
- DRM_INFO("free node 0x%p\n", used_block);
- kmem_cache_free(xgi_mem_block_cache, used_block);
- }
- else {
- list_add(&used_block->list, &heap->free_list);
- DRM_INFO("Recycled free node %p, offset = 0x%lx, size = 0x%lx\n",
- used_block, used_block->offset, used_block->size);
- }
-
- return 0;
-}
-
-
-int xgi_fb_alloc(struct xgi_info * info, struct xgi_mem_alloc * alloc,
- DRMFILE filp)
-{
- struct xgi_mem_block *block;
-
- if (alloc->is_front) {
- alloc->location = XGI_MEMLOC_LOCAL;
- alloc->offset = 0;
- alloc->hw_addr = 0;
- DRM_INFO
- ("Video RAM allocation on front buffer successfully! \n");
- } else {
- down(&info->fb_sem);
- block = xgi_mem_alloc(&info->fb_heap, alloc->size, PCIE_2D);
- up(&info->fb_sem);
-
- if (block == NULL) {
- alloc->location = XGI_MEMLOC_LOCAL;
- alloc->size = 0;
- DRM_ERROR("Video RAM allocation failed\n");
- return DRM_ERR(ENOMEM);
- } else {
- DRM_INFO("Video RAM allocation succeeded: 0x%p\n",
- (char *)block->offset);
- alloc->location = XGI_MEMLOC_LOCAL;
- alloc->size = block->size;
- alloc->offset = block->offset;
- alloc->hw_addr = block->offset;
-
- block->filp = filp;
- }
+ DRM_DEBUG("%s memory allocation succeeded: 0x%x\n",
+ mem_name, alloc->offset);
}
return 0;
}
-int xgi_fb_alloc_ioctl(DRM_IOCTL_ARGS)
+int xgi_alloc_ioctl(struct drm_device * dev, void * data,
+ struct drm_file * filp)
{
- DRM_DEVICE;
- struct xgi_mem_alloc alloc;
struct xgi_info *info = dev->dev_private;
- int err;
-
- DRM_COPY_FROM_USER_IOCTL(alloc, (struct xgi_mem_alloc __user *) data,
- sizeof(alloc));
-
- err = xgi_fb_alloc(info, & alloc, filp);
- if (err) {
- return err;
- }
- DRM_COPY_TO_USER_IOCTL((struct xgi_mem_alloc __user *) data,
- alloc, sizeof(alloc));
-
- return 0;
+ return xgi_alloc(info, (struct xgi_mem_alloc *) data, filp);
}
-int xgi_fb_free(struct xgi_info * info, unsigned long offset, DRMFILE filp)
+int xgi_free(struct xgi_info * info, unsigned long index,
+ struct drm_file * filp)
{
- int err = 0;
+ int err;
- if (offset == 0) {
- DRM_INFO("free onscreen frame buffer successfully !\n");
- } else {
- down(&info->fb_sem);
- err = xgi_mem_free(&info->fb_heap, offset, filp);
- up(&info->fb_sem);
- }
+ mutex_lock(&info->dev->struct_mutex);
+ err = drm_sman_free_key(&info->sman, index);
+ mutex_unlock(&info->dev->struct_mutex);
return err;
}
-int xgi_fb_free_ioctl(DRM_IOCTL_ARGS)
+int xgi_free_ioctl(struct drm_device * dev, void * data,
+ struct drm_file * filp)
{
- DRM_DEVICE;
struct xgi_info *info = dev->dev_private;
- u32 offset;
-
- DRM_COPY_FROM_USER_IOCTL(offset, (unsigned long __user *) data,
- sizeof(offset));
- return xgi_fb_free(info, offset, filp);
+ return xgi_free(info, *(unsigned long *) data, filp);
}
int xgi_fb_heap_init(struct xgi_info * info)
{
- return xgi_mem_heap_init(&info->fb_heap, XGI_FB_HEAP_START,
- info->fb.size);
-}
-
-/**
- * Free all blocks associated with a particular file handle.
- */
-void xgi_fb_free_all(struct xgi_info * info, DRMFILE filp)
-{
- if (!info->fb_heap.initialized) {
- return;
- }
-
- down(&info->fb_sem);
-
- do {
- struct xgi_mem_block *block;
-
- list_for_each_entry(block, &info->fb_heap.used_list, list) {
- if (block->filp == filp) {
- break;
- }
- }
-
- if (&block->list == &info->fb_heap.used_list) {
- break;
- }
+ int err;
- (void) xgi_mem_free(&info->fb_heap, block->offset, filp);
- } while(1);
+ mutex_lock(&info->dev->struct_mutex);
+ err = drm_sman_set_range(&info->sman, XGI_MEMLOC_LOCAL,
+ XGI_FB_HEAP_START,
+ info->fb.size - XGI_FB_HEAP_START);
+ mutex_unlock(&info->dev->struct_mutex);
- up(&info->fb_sem);
+ info->fb_heap_initialized = (err == 0);
+ return err;
}
projects / platform / upstream / libdrm.git / blobdiff