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Diffstat (limited to 'shared-core/nouveau_mem.c')
-rw-r--r--shared-core/nouveau_mem.c318
1 files changed, 172 insertions, 146 deletions
diff --git a/shared-core/nouveau_mem.c b/shared-core/nouveau_mem.c
index 79d1bb87..a7044c94 100644
--- a/shared-core/nouveau_mem.c
+++ b/shared-core/nouveau_mem.c
@@ -36,7 +36,7 @@
#include "nouveau_drv.h"
static struct mem_block *split_block(struct mem_block *p, uint64_t start, uint64_t size,
- DRMFILE filp)
+ struct drm_file *file_priv)
{
/* Maybe cut off the start of an existing block */
if (start > p->start) {
@@ -46,7 +46,7 @@ static struct mem_block *split_block(struct mem_block *p, uint64_t start, uint64
goto out;
newblock->start = start;
newblock->size = p->size - (start - p->start);
- newblock->filp = NULL;
+ newblock->file_priv = NULL;
newblock->next = p->next;
newblock->prev = p;
p->next->prev = newblock;
@@ -63,7 +63,7 @@ static struct mem_block *split_block(struct mem_block *p, uint64_t start, uint64
goto out;
newblock->start = start + size;
newblock->size = p->size - size;
- newblock->filp = NULL;
+ newblock->file_priv = NULL;
newblock->next = p->next;
newblock->prev = p;
p->next->prev = newblock;
@@ -73,12 +73,14 @@ static struct mem_block *split_block(struct mem_block *p, uint64_t start, uint64
out:
/* Our block is in the middle */
- p->filp = filp;
+ p->file_priv = file_priv;
return p;
}
-struct mem_block *nouveau_mem_alloc_block(struct mem_block *heap, uint64_t size,
- int align2, DRMFILE filp)
+struct mem_block *nouveau_mem_alloc_block(struct mem_block *heap,
+ uint64_t size,
+ int align2,
+ struct drm_file *file_priv)
{
struct mem_block *p;
uint64_t mask = (1 << align2) - 1;
@@ -88,8 +90,8 @@ struct mem_block *nouveau_mem_alloc_block(struct mem_block *heap, uint64_t size,
list_for_each(p, heap) {
uint64_t start = (p->start + mask) & ~mask;
- if (p->filp == 0 && start + size <= p->start + p->size)
- return split_block(p, start, size, filp);
+ if (p->file_priv == 0 && start + size <= p->start + p->size)
+ return split_block(p, start, size, file_priv);
}
return NULL;
@@ -108,12 +110,12 @@ static struct mem_block *find_block(struct mem_block *heap, uint64_t start)
void nouveau_mem_free_block(struct mem_block *p)
{
- p->filp = NULL;
+ p->file_priv = NULL;
- /* Assumes a single contiguous range. Needs a special filp in
+ /* Assumes a single contiguous range. Needs a special file_priv in
* 'heap' to stop it being subsumed.
*/
- if (p->next->filp == 0) {
+ if (p->next->file_priv == 0) {
struct mem_block *q = p->next;
p->size += q->size;
p->next = q->next;
@@ -121,7 +123,7 @@ void nouveau_mem_free_block(struct mem_block *p)
drm_free(q, sizeof(*q), DRM_MEM_BUFS);
}
- if (p->prev->filp == 0) {
+ if (p->prev->file_priv == 0) {
struct mem_block *q = p->prev;
q->size += p->size;
q->next = p->next;
@@ -138,29 +140,29 @@ int nouveau_mem_init_heap(struct mem_block **heap, uint64_t start,
struct mem_block *blocks = drm_alloc(sizeof(*blocks), DRM_MEM_BUFS);
if (!blocks)
- return DRM_ERR(ENOMEM);
+ return -ENOMEM;
*heap = drm_alloc(sizeof(**heap), DRM_MEM_BUFS);
if (!*heap) {
drm_free(blocks, sizeof(*blocks), DRM_MEM_BUFS);
- return DRM_ERR(ENOMEM);
+ return -ENOMEM;
}
blocks->start = start;
blocks->size = size;
- blocks->filp = NULL;
+ blocks->file_priv = NULL;
blocks->next = blocks->prev = *heap;
memset(*heap, 0, sizeof(**heap));
- (*heap)->filp = (DRMFILE) - 1;
+ (*heap)->file_priv = (struct drm_file *) - 1;
(*heap)->next = (*heap)->prev = blocks;
return 0;
}
/*
- * Free all blocks associated with the releasing filp
+ * Free all blocks associated with the releasing file_priv
*/
-void nouveau_mem_release(DRMFILE filp, struct mem_block *heap)
+void nouveau_mem_release(struct drm_file *file_priv, struct mem_block *heap)
{
struct mem_block *p;
@@ -168,15 +170,16 @@ void nouveau_mem_release(DRMFILE filp, struct mem_block *heap)
return;
list_for_each(p, heap) {
- if (p->filp == filp)
- p->filp = NULL;
+ if (p->file_priv == file_priv)
+ p->file_priv = NULL;
}
- /* Assumes a single contiguous range. Needs a special filp in
+ /* Assumes a single contiguous range. Needs a special file_priv in
* 'heap' to stop it being subsumed.
*/
list_for_each(p, heap) {
- while ((p->filp == 0) && (p->next->filp == 0) && (p->next!=heap)) {
+ while ((p->file_priv == 0) && (p->next->file_priv == 0) &&
+ (p->next!=heap)) {
struct mem_block *q = p->next;
p->size += q->size;
p->next = q->next;
@@ -208,19 +211,18 @@ void nouveau_mem_takedown(struct mem_block **heap)
void nouveau_mem_close(struct drm_device *dev)
{
- drm_nouveau_private_t *dev_priv = dev->dev_private;
+ struct drm_nouveau_private *dev_priv = dev->dev_private;
+
nouveau_mem_takedown(&dev_priv->agp_heap);
nouveau_mem_takedown(&dev_priv->fb_heap);
- if ( dev_priv->pci_heap )
- {
+ if (dev_priv->pci_heap)
nouveau_mem_takedown(&dev_priv->pci_heap);
- }
}
/* returns the amount of FB ram in bytes */
uint64_t nouveau_mem_fb_amount(struct drm_device *dev)
{
- drm_nouveau_private_t *dev_priv=dev->dev_private;
+ struct drm_nouveau_private *dev_priv=dev->dev_private;
switch(dev_priv->card_type)
{
case NV_03:
@@ -253,6 +255,7 @@ uint64_t nouveau_mem_fb_amount(struct drm_device *dev)
}
break;
case NV_10:
+ case NV_11:
case NV_17:
case NV_20:
case NV_30:
@@ -281,93 +284,68 @@ uint64_t nouveau_mem_fb_amount(struct drm_device *dev)
return 0;
}
-
-
-int nouveau_mem_init(struct drm_device *dev)
+static int
+nouveau_mem_init_agp(struct drm_device *dev)
{
- drm_nouveau_private_t *dev_priv = dev->dev_private;
- uint32_t fb_size;
- drm_scatter_gather_t sgreq;
- dev_priv->agp_phys=0;
- dev_priv->fb_phys=0;
- sgreq . size = 4 << 20; //4MB of PCI scatter-gather zone
-
- /* init AGP */
- dev_priv->agp_heap=NULL;
- if (drm_device_is_agp(dev))
- {
- int err;
- drm_agp_info_t info;
- drm_agp_mode_t mode;
- drm_agp_buffer_t agp_req;
- drm_agp_binding_t bind_req;
-
- err = drm_agp_acquire(dev);
- if (err) {
- DRM_ERROR("Unable to acquire AGP: %d\n", err);
- goto no_agp;
- }
-
- err = drm_agp_info(dev, &info);
- if (err) {
- DRM_ERROR("Unable to get AGP info: %d\n", err);
- goto no_agp;
- }
-
- /* see agp.h for the AGPSTAT_* modes available */
- mode.mode = info.mode;
- err = drm_agp_enable(dev, mode);
- if (err) {
- DRM_ERROR("Unable to enable AGP: %d\n", err);
- goto no_agp;
- }
-
- agp_req.size = info.aperture_size;
- agp_req.type = 0;
- err = drm_agp_alloc(dev, &agp_req);
- if (err) {
- DRM_ERROR("Unable to alloc AGP: %d\n", err);
- goto no_agp;
- }
+ struct drm_nouveau_private *dev_priv = dev->dev_private;
+ struct drm_agp_info info;
+ struct drm_agp_mode mode;
+ struct drm_agp_buffer agp_req;
+ struct drm_agp_binding bind_req;
+ int ret;
+
+ ret = drm_agp_acquire(dev);
+ if (ret) {
+ DRM_ERROR("Unable to acquire AGP: %d\n", ret);
+ return ret;
+ }
- bind_req.handle = agp_req.handle;
- bind_req.offset = 0;
- err = drm_agp_bind(dev, &bind_req);
- if (err) {
- DRM_ERROR("Unable to bind AGP: %d\n", err);
- goto no_agp;
- }
+ ret = drm_agp_info(dev, &info);
+ if (ret) {
+ DRM_ERROR("Unable to get AGP info: %d\n", ret);
+ return ret;
+ }
- if (nouveau_mem_init_heap(&dev_priv->agp_heap,
- 0, info.aperture_size))
- goto no_agp;
+ /* see agp.h for the AGPSTAT_* modes available */
+ mode.mode = info.mode;
+ ret = drm_agp_enable(dev, mode);
+ if (ret) {
+ DRM_ERROR("Unable to enable AGP: %d\n", ret);
+ return ret;
+ }
- dev_priv->agp_phys = info.aperture_base;
- dev_priv->agp_available_size = info.aperture_size;
- goto have_agp;
+ agp_req.size = info.aperture_size;
+ agp_req.type = 0;
+ ret = drm_agp_alloc(dev, &agp_req);
+ if (ret) {
+ DRM_ERROR("Unable to alloc AGP: %d\n", ret);
+ return ret;
}
-no_agp:
+ bind_req.handle = agp_req.handle;
+ bind_req.offset = 0;
+ ret = drm_agp_bind(dev, &bind_req);
+ if (ret) {
+ DRM_ERROR("Unable to bind AGP: %d\n", ret);
+ return ret;
+ }
- if ( dev_priv->card_type >= NV_50 ) goto no_pci;
+ dev_priv->gart_info.type = NOUVEAU_GART_AGP;
+ dev_priv->gart_info.aper_base = info.aperture_base;
+ dev_priv->gart_info.aper_size = info.aperture_size;
+ return 0;
+}
- dev_priv->pci_heap = NULL;
- DRM_DEBUG("Allocating sg memory for PCI DMA\n");
- if ( drm_sg_alloc(dev, &sgreq) )
- {
- DRM_ERROR("Unable to allocate 4MB of scatter-gather pages for PCI DMA!");
- goto no_pci;
- }
+int nouveau_mem_init(struct drm_device *dev)
+{
+ struct drm_nouveau_private *dev_priv = dev->dev_private;
+ uint32_t fb_size;
+ int ret = 0;
- if ( nouveau_mem_init_heap(&dev_priv->pci_heap, 0,
- dev->sg->pages * PAGE_SIZE))
- {
- DRM_ERROR("Unable to initialize pci_heap!");
- goto no_pci;
- }
+ dev_priv->agp_heap = dev_priv->pci_heap = dev_priv->fb_heap = NULL;
+ dev_priv->fb_phys = 0;
+ dev_priv->gart_info.type = NOUVEAU_GART_NONE;
-no_pci:
-have_agp:
/* setup a mtrr over the FB */
dev_priv->fb_mtrr = drm_mtrr_add(drm_get_resource_start(dev, 1),
nouveau_mem_fb_amount(dev),
@@ -388,24 +366,74 @@ have_agp:
* So we create a second FB heap for that type of memory */
if (nouveau_mem_init_heap(&dev_priv->fb_heap,
0, 256*1024*1024))
- return DRM_ERR(ENOMEM);
+ return -ENOMEM;
if (nouveau_mem_init_heap(&dev_priv->fb_nomap_heap,
256*1024*1024, fb_size-256*1024*1024))
- return DRM_ERR(ENOMEM);
+ return -ENOMEM;
} else {
if (nouveau_mem_init_heap(&dev_priv->fb_heap, 0, fb_size))
- return DRM_ERR(ENOMEM);
+ return -ENOMEM;
dev_priv->fb_nomap_heap=NULL;
}
+ /* Init AGP / NV50 PCIEGART */
+ if (drm_device_is_agp(dev) && dev->agp) {
+ if ((ret = nouveau_mem_init_agp(dev)))
+ DRM_ERROR("Error initialising AGP: %d\n", ret);
+ }
+
+ /*Note: this is *not* just NV50 code, but only used on NV50 for now */
+ if (dev_priv->gart_info.type == NOUVEAU_GART_NONE &&
+ dev_priv->card_type >= NV_50) {
+ ret = nouveau_sgdma_init(dev);
+ if (!ret) {
+ ret = nouveau_sgdma_nottm_hack_init(dev);
+ if (ret)
+ nouveau_sgdma_takedown(dev);
+ }
+
+ if (ret)
+ DRM_ERROR("Error initialising SG DMA: %d\n", ret);
+ }
+
+ if (dev_priv->gart_info.type != NOUVEAU_GART_NONE) {
+ if (nouveau_mem_init_heap(&dev_priv->agp_heap,
+ 0, dev_priv->gart_info.aper_size)) {
+ if (dev_priv->gart_info.type == NOUVEAU_GART_SGDMA) {
+ nouveau_sgdma_nottm_hack_takedown(dev);
+ nouveau_sgdma_takedown(dev);
+ }
+ }
+ }
+
+ /* NV04-NV40 PCIEGART */
+ if (!dev_priv->agp_heap && dev_priv->card_type < NV_50) {
+ struct drm_scatter_gather sgreq;
+
+ DRM_DEBUG("Allocating sg memory for PCI DMA\n");
+ sgreq.size = 4 << 20; //4MB of PCI scatter-gather zone
+
+ if (drm_sg_alloc(dev, &sgreq)) {
+ DRM_ERROR("Unable to allocate 4MB of scatter-gather"
+ " pages for PCI DMA!");
+ } else {
+ if (nouveau_mem_init_heap(&dev_priv->pci_heap, 0,
+ dev->sg->pages * PAGE_SIZE)) {
+ DRM_ERROR("Unable to initialize pci_heap!");
+ }
+ }
+ }
+
return 0;
}
-struct mem_block* nouveau_mem_alloc(struct drm_device *dev, int alignment, uint64_t size, int flags, DRMFILE filp)
+struct mem_block* nouveau_mem_alloc(struct drm_device *dev, int alignment,
+ uint64_t size, int flags,
+ struct drm_file *file_priv)
{
struct mem_block *block;
int type;
- drm_nouveau_private_t *dev_priv = dev->dev_private;
+ struct drm_nouveau_private *dev_priv = dev->dev_private;
/*
* Make things easier on ourselves: all allocations are page-aligned.
@@ -430,13 +458,14 @@ struct mem_block* nouveau_mem_alloc(struct drm_device *dev, int alignment, uint6
#define NOUVEAU_MEM_ALLOC_AGP {\
type=NOUVEAU_MEM_AGP;\
block = nouveau_mem_alloc_block(dev_priv->agp_heap, size,\
- alignment, filp);\
+ alignment, file_priv); \
if (block) goto alloc_ok;\
}
#define NOUVEAU_MEM_ALLOC_PCI {\
type = NOUVEAU_MEM_PCI;\
- block = nouveau_mem_alloc_block(dev_priv->pci_heap, size, alignment, filp);\
+ block = nouveau_mem_alloc_block(dev_priv->pci_heap, size, \
+ alignment, file_priv); \
if ( block ) goto alloc_ok;\
}
@@ -444,11 +473,12 @@ struct mem_block* nouveau_mem_alloc(struct drm_device *dev, int alignment, uint6
type=NOUVEAU_MEM_FB;\
if (!(flags&NOUVEAU_MEM_MAPPED)) {\
block = nouveau_mem_alloc_block(dev_priv->fb_nomap_heap,\
- size, alignment, filp); \
+ size, alignment, \
+ file_priv); \
if (block) goto alloc_ok;\
}\
block = nouveau_mem_alloc_block(dev_priv->fb_heap, size,\
- alignment, filp);\
+ alignment, file_priv);\
if (block) goto alloc_ok;\
}
@@ -468,13 +498,18 @@ alloc_ok:
if (flags&NOUVEAU_MEM_MAPPED)
{
- drm_map_list_t *entry;
+ struct drm_map_list *entry;
int ret = 0;
block->flags|=NOUVEAU_MEM_MAPPED;
- if (type == NOUVEAU_MEM_AGP)
+ if (type == NOUVEAU_MEM_AGP) {
+ if (dev_priv->gart_info.type != NOUVEAU_GART_SGDMA)
ret = drm_addmap(dev, block->start, block->size,
_DRM_AGP, 0, &block->map);
+ else
+ ret = drm_addmap(dev, block->start, block->size,
+ _DRM_SCATTER_GATHER, 0, &block->map);
+ }
else if (type == NOUVEAU_MEM_FB)
ret = drm_addmap(dev, block->start + dev_priv->fb_phys,
block->size, _DRM_FRAME_BUFFER,
@@ -512,54 +547,45 @@ void nouveau_mem_free(struct drm_device* dev, struct mem_block* block)
* Ioctls
*/
-int nouveau_ioctl_mem_alloc(DRM_IOCTL_ARGS)
+int nouveau_ioctl_mem_alloc(struct drm_device *dev, void *data, struct drm_file *file_priv)
{
- DRM_DEVICE;
- drm_nouveau_private_t *dev_priv = dev->dev_private;
- drm_nouveau_mem_alloc_t alloc;
+ struct drm_nouveau_private *dev_priv = dev->dev_private;
+ struct drm_nouveau_mem_alloc *alloc = data;
struct mem_block *block;
if (!dev_priv) {
DRM_ERROR("%s called with no initialization\n", __FUNCTION__);
- return DRM_ERR(EINVAL);
+ return -EINVAL;
}
- DRM_COPY_FROM_USER_IOCTL(alloc, (drm_nouveau_mem_alloc_t __user *) data,
- sizeof(alloc));
-
- block=nouveau_mem_alloc(dev, alloc.alignment, alloc.size, alloc.flags, filp);
+ block=nouveau_mem_alloc(dev, alloc->alignment, alloc->size,
+ alloc->flags, file_priv);
if (!block)
- return DRM_ERR(ENOMEM);
- alloc.map_handle=block->map_handle;
- alloc.offset=block->start;
- alloc.flags=block->flags;
-
- DRM_COPY_TO_USER_IOCTL((drm_nouveau_mem_alloc_t __user *) data, alloc, sizeof(alloc));
+ return -ENOMEM;
+ alloc->map_handle=block->map_handle;
+ alloc->offset=block->start;
+ alloc->flags=block->flags;
return 0;
}
-int nouveau_ioctl_mem_free(DRM_IOCTL_ARGS)
+int nouveau_ioctl_mem_free(struct drm_device *dev, void *data, struct drm_file *file_priv)
{
- DRM_DEVICE;
- drm_nouveau_private_t *dev_priv = dev->dev_private;
- drm_nouveau_mem_free_t memfree;
+ struct drm_nouveau_private *dev_priv = dev->dev_private;
+ struct drm_nouveau_mem_free *memfree = data;
struct mem_block *block;
- DRM_COPY_FROM_USER_IOCTL(memfree, (drm_nouveau_mem_free_t __user *) data,
- sizeof(memfree));
-
block=NULL;
- if (memfree.flags&NOUVEAU_MEM_FB)
- block = find_block(dev_priv->fb_heap, memfree.offset);
- else if (memfree.flags&NOUVEAU_MEM_AGP)
- block = find_block(dev_priv->agp_heap, memfree.offset);
- else if (memfree.flags&NOUVEAU_MEM_PCI)
- block = find_block(dev_priv->pci_heap, memfree.offset);
+ if (memfree->flags & NOUVEAU_MEM_FB)
+ block = find_block(dev_priv->fb_heap, memfree->offset);
+ else if (memfree->flags & NOUVEAU_MEM_AGP)
+ block = find_block(dev_priv->agp_heap, memfree->offset);
+ else if (memfree->flags & NOUVEAU_MEM_PCI)
+ block = find_block(dev_priv->pci_heap, memfree->offset);
if (!block)
- return DRM_ERR(EFAULT);
- if (block->filp != filp)
- return DRM_ERR(EPERM);
+ return -EFAULT;
+ if (block->file_priv != file_priv)
+ return -EPERM;
nouveau_mem_free(dev, block);
return 0;