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-rw-r--r--linux-core/xgi_drv.c46
-rw-r--r--linux-core/xgi_drv.h34
-rw-r--r--linux-core/xgi_fb.c281
-rw-r--r--linux-core/xgi_pcie.c6
4 files changed, 54 insertions, 313 deletions
diff --git a/linux-core/xgi_drv.c b/linux-core/xgi_drv.c
index 997051fb..b0f84c81 100644
--- a/linux-core/xgi_drv.c
+++ b/linux-core/xgi_drv.c
@@ -225,7 +225,7 @@ int xgi_bootstrap(struct drm_device * dev, void * data,
/* Init the resource manager */
- if (!info->fb_heap.initialized) {
+ if (!info->fb_heap_initialized) {
err = xgi_fb_heap_init(info);
if (err) {
DRM_ERROR("Unable to initialize FB heap.\n");
@@ -237,7 +237,7 @@ int xgi_bootstrap(struct drm_device * dev, void * data,
info->pcie.size = bs->gart.size;
/* Init the resource manager */
- if (!info->pcie_heap.initialized) {
+ if (!info->pcie_heap_initialized) {
err = xgi_pcie_heap_init(info);
if (err) {
DRM_ERROR("Unable to initialize GART heap.\n");
@@ -296,13 +296,13 @@ void xgi_driver_lastclose(struct drm_device * dev)
info->mmio_map = NULL;
info->fb_map = NULL;
- if (info->fb_heap.initialized) {
- xgi_mem_heap_cleanup(&info->fb_heap);
+ if (info->pcie_heap_initialized) {
+ xgi_pcie_lut_cleanup(info);
}
- if (info->pcie_heap.initialized) {
- xgi_mem_heap_cleanup(&info->pcie_heap);
- xgi_pcie_lut_cleanup(info);
+ if (info->fb_heap_initialized
+ || info->pcie_heap_initialized) {
+ drm_sman_cleanup(&info->sman);
}
}
}
@@ -314,12 +314,16 @@ void xgi_reclaim_buffers_locked(struct drm_device * dev,
struct xgi_info * info = dev->dev_private;
mutex_lock(&info->dev->struct_mutex);
+ if (drm_sman_owner_clean(&info->sman, (unsigned long) filp)) {
+ mutex_unlock(&info->dev->struct_mutex);
+ return;
+ }
+
if (dev->driver->dma_quiescent) {
dev->driver->dma_quiescent(dev);
}
- xgi_free_all(info, &info->pcie_heap, filp);
- xgi_free_all(info, &info->fb_heap, filp);
+ drm_sman_owner_cleanup(&info->sman, (unsigned long) filp);
mutex_unlock(&info->dev->struct_mutex);
return;
}
@@ -357,6 +361,7 @@ void xgi_kern_isr_bh(struct drm_device *dev)
int xgi_driver_load(struct drm_device *dev, unsigned long flags)
{
struct xgi_info *info = drm_alloc(sizeof(*info), DRM_MEM_DRIVER);
+ int err;
if (!info)
return -ENOMEM;
@@ -375,7 +380,8 @@ int xgi_driver_load(struct drm_device *dev, unsigned long flags)
if ((info->mmio.base == 0) || (info->mmio.size == 0)) {
DRM_ERROR("mmio appears to be wrong: 0x%lx 0x%x\n",
(unsigned long) info->mmio.base, info->mmio.size);
- return -EINVAL;
+ err = -EINVAL;
+ goto fail;
}
@@ -386,28 +392,24 @@ int xgi_driver_load(struct drm_device *dev, unsigned long flags)
(unsigned long) info->fb.base, info->fb.size);
- xgi_mem_block_cache = kmem_cache_create("xgi_mem_block",
- sizeof(struct xgi_mem_block),
- 0,
- SLAB_HWCACHE_ALIGN,
- NULL, NULL);
- if (xgi_mem_block_cache == NULL) {
- return -ENOMEM;
+ err = drm_sman_init(&info->sman, 2, 12, 8);
+ if (err) {
+ goto fail;
}
return 0;
+
+fail:
+ drm_free(info, sizeof(*info), DRM_MEM_DRIVER);
+ return err;
}
int xgi_driver_unload(struct drm_device *dev)
{
struct xgi_info * info = dev->dev_private;
- if (xgi_mem_block_cache) {
- kmem_cache_destroy(xgi_mem_block_cache);
- xgi_mem_block_cache = NULL;
- }
-
+ drm_sman_takedown(&info->sman);
drm_free(info, sizeof(*info), DRM_MEM_DRIVER);
dev->dev_private = NULL;
diff --git a/linux-core/xgi_drv.h b/linux-core/xgi_drv.h
index e56d00bb..6b209aa4 100644
--- a/linux-core/xgi_drv.h
+++ b/linux-core/xgi_drv.h
@@ -29,6 +29,7 @@
#include "drmP.h"
#include "drm.h"
+#include "drm_sman.h"
#define DRIVER_AUTHOR "Andrea Zhang <andrea_zhang@macrosynergy.com>"
@@ -38,7 +39,7 @@
#define DRIVER_MAJOR 0
#define DRIVER_MINOR 11
-#define DRIVER_PATCHLEVEL 0
+#define DRIVER_PATCHLEVEL 1
#include "xgi_cmdlist.h"
#include "xgi_drm.h"
@@ -48,22 +49,6 @@ struct xgi_aperture {
unsigned int size;
};
-struct xgi_mem_block {
- struct list_head list;
- unsigned long offset;
- unsigned long size;
- struct drm_file * filp;
-};
-
-struct xgi_mem_heap {
- struct list_head free_list;
- struct list_head used_list;
- struct list_head sort_list;
- unsigned long max_freesize;
-
- bool initialized;
-};
-
struct xgi_info {
struct drm_device *dev;
@@ -82,19 +67,13 @@ struct xgi_info {
struct drm_dma_handle *lut_handle;
unsigned int lutPageSize;
- struct xgi_mem_heap fb_heap;
- struct xgi_mem_heap pcie_heap;
+ struct drm_sman sman;
+ bool fb_heap_initialized;
+ bool pcie_heap_initialized;
struct xgi_cmdring_info cmdring;
};
-extern struct kmem_cache *xgi_mem_block_cache;
-extern int xgi_mem_free(struct xgi_mem_heap * heap, unsigned long offset,
- struct drm_file * filp);
-extern int xgi_mem_heap_init(struct xgi_mem_heap * heap, unsigned int start,
- unsigned int end);
-extern void xgi_mem_heap_cleanup(struct xgi_mem_heap * heap);
-
extern int xgi_fb_heap_init(struct xgi_info * info);
extern int xgi_alloc(struct xgi_info * info, struct xgi_mem_alloc * alloc,
@@ -108,9 +87,6 @@ extern void xgi_pcie_lut_cleanup(struct xgi_info * info);
extern void *xgi_find_pcie_virt(struct xgi_info * info, u32 address);
-extern void xgi_free_all(struct xgi_info *, struct xgi_mem_heap *,
- struct drm_file *);
-
extern int xgi_alloc_ioctl(struct drm_device * dev, void * data,
struct drm_file * filp);
extern int xgi_free_ioctl(struct drm_device * dev, void * data,
diff --git a/linux-core/xgi_fb.c b/linux-core/xgi_fb.c
index d0182831..40f39fbc 100644
--- a/linux-core/xgi_fb.c
+++ b/linux-core/xgi_fb.c
@@ -28,225 +28,10 @@
#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)
-{
- struct xgi_mem_block *block;
-
- 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 -ENOMEM;
- }
-
- 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;
- }
-
- block->offset = 0;
- block->size = 0;
- block->filp = (struct drm_file *) -1;
-
- return block;
-}
-
-
-static struct xgi_mem_block *xgi_mem_alloc(struct xgi_mem_heap * heap,
- unsigned long originalSize)
-{
- struct xgi_mem_block *block, *free_block, *used_block;
- unsigned long size = (originalSize + PAGE_SIZE - 1) & PAGE_MASK;
-
-
- 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);
- } 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);
- }
-
- 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);
-
- return (used_block);
-}
-
-int xgi_mem_free(struct xgi_mem_heap * heap, unsigned long offset,
- struct drm_file * 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 (&block->list == &heap->used_list) {
- DRM_ERROR("can't find block: 0x%lx to free!\n", offset);
- return -ENOENT;
- }
-
- if (block->filp != filp) {
- return -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_alloc(struct xgi_info * info, struct xgi_mem_alloc * alloc,
struct drm_file * filp)
{
- struct xgi_mem_block *block;
- struct xgi_mem_heap *heap;
+ struct drm_memblock_item *block;
const char *const mem_name = (alloc->location == XGI_MEMLOC_LOCAL)
? "on-card" : "GART";
@@ -258,17 +43,16 @@ int xgi_alloc(struct xgi_info * info, struct xgi_mem_alloc * alloc,
return -EINVAL;
}
- heap = (alloc->location == XGI_MEMLOC_LOCAL)
- ? &info->fb_heap : &info->pcie_heap;
-
- if (!heap->initialized) {
+ 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;
}
mutex_lock(&info->dev->struct_mutex);
- block = xgi_mem_alloc(heap, alloc->size);
+ block = drm_sman_alloc(&info->sman, alloc->location, alloc->size,
+ 0, (unsigned long) filp);
mutex_unlock(&info->dev->struct_mutex);
if (block == NULL) {
@@ -276,18 +60,17 @@ int xgi_alloc(struct xgi_info * info, struct xgi_mem_alloc * alloc,
DRM_ERROR("%s memory allocation failed\n", mem_name);
return -ENOMEM;
} else {
- DRM_DEBUG("%s memory allocation succeeded: 0x%p\n",
- mem_name, (char *)block->offset);
- alloc->size = block->size;
- alloc->offset = block->offset;
- alloc->hw_addr = block->offset;
- alloc->index = alloc->offset | alloc->location;
+ alloc->offset = (*block->mm->offset)(block->mm,
+ block->mm_info);
+ alloc->hw_addr = alloc->offset;
+ alloc->index = block->user_hash.key;
if (alloc->location == XGI_MEMLOC_NON_LOCAL) {
alloc->hw_addr += info->pcie.base;
}
- block->filp = filp;
+ DRM_DEBUG("%s memory allocation succeeded: 0x%x\n",
+ mem_name, alloc->offset);
}
return 0;
@@ -307,13 +90,9 @@ int xgi_free(struct xgi_info * info, unsigned long index,
struct drm_file * filp)
{
int err;
- struct xgi_mem_heap *const heap =
- ((index & 0x03) == XGI_MEMLOC_NON_LOCAL)
- ? &info->pcie_heap : &info->fb_heap;
- const u32 offset = (index & ~0x03);
mutex_lock(&info->dev->struct_mutex);
- err = xgi_mem_free(heap, offset, filp);
+ err = drm_sman_free_key(&info->sman, index);
mutex_unlock(&info->dev->struct_mutex);
return err;
@@ -331,34 +110,14 @@ int xgi_free_ioctl(struct drm_device * dev, void * data,
int xgi_fb_heap_init(struct xgi_info * info)
{
- return xgi_mem_heap_init(&info->fb_heap, XGI_FB_HEAP_START,
+ int err;
+
+ 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);
-}
-
-/**
- * Free all blocks associated with a particular file handle.
- */
-void xgi_free_all(struct xgi_info * info, struct xgi_mem_heap * heap,
- struct drm_file * filp)
-{
- if (!heap->initialized) {
- return;
- }
-
-
- do {
- struct xgi_mem_block *block;
-
- list_for_each_entry(block, &heap->used_list, list) {
- if (block->filp == filp) {
- break;
- }
- }
-
- if (&block->list == &heap->used_list) {
- break;
- }
+ mutex_unlock(&info->dev->struct_mutex);
- (void) xgi_mem_free(heap, block->offset, filp);
- } while(1);
+ info->fb_heap_initialized = (err == 0);
+ return err;
}
diff --git a/linux-core/xgi_pcie.c b/linux-core/xgi_pcie.c
index 4ec9b6ff..932615a4 100644
--- a/linux-core/xgi_pcie.c
+++ b/linux-core/xgi_pcie.c
@@ -131,11 +131,15 @@ int xgi_pcie_heap_init(struct xgi_info * info)
}
- err = xgi_mem_heap_init(&info->pcie_heap, 0, info->pcie.size);
+ mutex_lock(&info->dev->struct_mutex);
+ err = drm_sman_set_range(&info->sman, XGI_MEMLOC_NON_LOCAL,
+ 0, info->pcie.size);
+ mutex_unlock(&info->dev->struct_mutex);
if (err) {
xgi_pcie_lut_cleanup(info);
}
+ info->pcie_heap_initialized = (err == 0);
return err;
}
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