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-rw-r--r--bsd-core/drmP.h9
-rw-r--r--bsd-core/drm_bufs.c153
-rw-r--r--bsd-core/drm_dma.c37
-rw-r--r--bsd-core/drm_pci.c65
-rw-r--r--bsd-core/r128_drv.c3
-rw-r--r--bsd-core/radeon_drv.c3
6 files changed, 190 insertions, 80 deletions
diff --git a/bsd-core/drmP.h b/bsd-core/drmP.h
index d40bcdaa..e8720395 100644
--- a/bsd-core/drmP.h
+++ b/bsd-core/drmP.h
@@ -196,7 +196,8 @@ typedef struct drm_buf_entry {
drm_buf_t *buflist;
int seg_count;
int page_order;
- unsigned long *seglist;
+ vm_offset_t *seglist;
+ dma_addr_t *seglist_bus;
drm_freelist_t freelist;
} drm_buf_entry_t;
@@ -562,6 +563,12 @@ extern int DRM(sg_alloc)(DRM_IOCTL_ARGS);
extern int DRM(sg_free)(DRM_IOCTL_ARGS);
#endif
+/* consistent PCI memory functions (drm_pci.h) */
+extern void *DRM(pci_alloc)(drm_device_t *dev, size_t size,
+ size_t align, dma_addr_t maxaddr,
+ dma_addr_t *busaddr);
+extern void DRM(pci_free)(drm_device_t *dev, size_t size,
+ void *vaddr, dma_addr_t busaddr);
#endif /* __KERNEL__ */
#endif /* _DRM_P_H_ */
diff --git a/bsd-core/drm_bufs.c b/bsd-core/drm_bufs.c
index f792140e..87ec6f09 100644
--- a/bsd-core/drm_bufs.c
+++ b/bsd-core/drm_bufs.c
@@ -141,7 +141,7 @@ int DRM(addmap)( DRM_IOCTL_ARGS )
case _DRM_SHM:
map->handle = (void *)DRM(alloc)(map->size, DRM_MEM_SAREA);
- DRM_DEBUG( "%ld %d %p\n",
+ DRM_DEBUG( "%lu %d %p\n",
map->size, DRM(order)( map->size ), map->handle );
if ( !map->handle ) {
DRM(free)( map, sizeof(*map), DRM_MEM_MAPS );
@@ -279,31 +279,33 @@ int DRM(rmmap)( DRM_IOCTL_ARGS )
#if __HAVE_DMA
-static void DRM(cleanup_buf_error)(drm_buf_entry_t *entry)
+static void DRM(cleanup_buf_error)(drm_device_t *dev, drm_buf_entry_t *entry)
{
int i;
+#if __HAVE_PCI_DMA
if (entry->seg_count) {
for (i = 0; i < entry->seg_count; i++) {
- DRM(free)((void *)entry->seglist[i],
- entry->buf_size,
- DRM_MEM_DMA);
+ if (entry->seglist[i] != NULL)
+ DRM(pci_free)(dev, entry->buf_size,
+ (void *)entry->seglist[i],
+ entry->seglist_bus[i]);
}
DRM(free)(entry->seglist,
entry->seg_count *
sizeof(*entry->seglist),
DRM_MEM_SEGS);
+ DRM(free)(entry->seglist_bus, entry->seg_count *
+ sizeof(*entry->seglist_bus), DRM_MEM_SEGS);
entry->seg_count = 0;
}
+#endif /* __HAVE_PCI_DMA */
- if(entry->buf_count) {
- for(i = 0; i < entry->buf_count; i++) {
- if(entry->buflist[i].dev_private) {
- DRM(free)(entry->buflist[i].dev_private,
- entry->buflist[i].dev_priv_size,
- DRM_MEM_BUFS);
- }
+ if (entry->buf_count) {
+ for (i = 0; i < entry->buf_count; i++) {
+ DRM(free)(entry->buflist[i].dev_private,
+ entry->buflist[i].dev_priv_size, DRM_MEM_BUFS);
}
DRM(free)(entry->buflist,
entry->buf_count *
@@ -395,7 +397,9 @@ static int DRM(addbufs_agp)(drm_device_t *dev, drm_buf_desc_t *request)
if(!buf->dev_private) {
/* Set count correctly so we free the proper amount. */
entry->buf_count = count;
- DRM(cleanup_buf_error)(entry);
+ DRM(cleanup_buf_error)(dev, entry);
+ DRM_UNLOCK;
+ return DRM_ERR(ENOMEM);
}
memset( buf->dev_private, 0, buf->dev_priv_size );
@@ -413,7 +417,7 @@ static int DRM(addbufs_agp)(drm_device_t *dev, drm_buf_desc_t *request)
DRM_MEM_BUFS );
if(!temp_buflist) {
/* Free the entry because it isn't valid */
- DRM(cleanup_buf_error)(entry);
+ DRM(cleanup_buf_error)(dev, entry);
DRM_UNLOCK;
return DRM_ERR(ENOMEM);
}
@@ -450,7 +454,7 @@ static int DRM(addbufs_pci)(drm_device_t *dev, drm_buf_desc_t *request)
int total;
int page_order;
drm_buf_entry_t *entry;
- unsigned long page;
+ vm_offset_t vaddr;
drm_buf_t *buf;
int alignment;
unsigned long offset;
@@ -459,6 +463,7 @@ static int DRM(addbufs_pci)(drm_device_t *dev, drm_buf_desc_t *request)
int page_count;
unsigned long *temp_pagelist;
drm_buf_t **temp_buflist;
+ dma_addr_t bus_addr;
count = request->count;
order = DRM(order)(request->size);
@@ -482,42 +487,37 @@ static int DRM(addbufs_pci)(drm_device_t *dev, drm_buf_desc_t *request)
return DRM_ERR(ENOMEM); /* May only call once for each order */
}
- entry->buflist = DRM(alloc)( count * sizeof(*entry->buflist),
- DRM_MEM_BUFS );
- if ( !entry->buflist ) {
- DRM_UNLOCK;
- return DRM_ERR(ENOMEM);
- }
- memset( entry->buflist, 0, count * sizeof(*entry->buflist) );
+ entry->buflist = DRM(alloc)(count * sizeof(*entry->buflist),
+ DRM_MEM_BUFS);
+ entry->seglist = DRM(alloc)(count * sizeof(*entry->seglist),
+ DRM_MEM_SEGS);
+ entry->seglist_bus = DRM(alloc)(count * sizeof(*entry->seglist_bus),
+ DRM_MEM_SEGS);
- entry->seglist = DRM(alloc)( count * sizeof(*entry->seglist),
- DRM_MEM_SEGS );
- if ( !entry->seglist ) {
- DRM(free)( entry->buflist,
- count * sizeof(*entry->buflist),
- DRM_MEM_BUFS );
- DRM_UNLOCK;
- return DRM_ERR(ENOMEM);
- }
- memset( entry->seglist, 0, count * sizeof(*entry->seglist) );
-
- temp_pagelist = DRM(realloc)( dma->pagelist,
- dma->page_count * sizeof(*dma->pagelist),
- (dma->page_count + (count << page_order))
- * sizeof(*dma->pagelist),
- DRM_MEM_PAGES );
- if(!temp_pagelist) {
- DRM(free)( entry->buflist,
- count * sizeof(*entry->buflist),
- DRM_MEM_BUFS );
- DRM(free)( entry->seglist,
- count * sizeof(*entry->seglist),
- DRM_MEM_SEGS );
+ /* Keep the original pagelist until we know all the allocations
+ * have succeeded
+ */
+ temp_pagelist = DRM(alloc)((dma->page_count + (count << page_order)) *
+ sizeof(*dma->pagelist), DRM_MEM_PAGES);
+
+ if (entry->buflist == NULL || entry->seglist == NULL ||
+ temp_pagelist == NULL) {
+ DRM(free)(entry->buflist, count * sizeof(*entry->buflist),
+ DRM_MEM_BUFS);
+ DRM(free)(entry->seglist, count * sizeof(*entry->seglist),
+ DRM_MEM_SEGS);
+ DRM(free)(entry->seglist_bus, count *
+ sizeof(*entry->seglist_bus), DRM_MEM_SEGS);
DRM_UNLOCK;
return DRM_ERR(ENOMEM);
}
- dma->pagelist = temp_pagelist;
+ bzero(entry->buflist, count * sizeof(*entry->buflist));
+ bzero(entry->seglist, count * sizeof(*entry->seglist));
+
+ memcpy(temp_pagelist, dma->pagelist, dma->page_count *
+ sizeof(*dma->pagelist));
+
DRM_DEBUG( "pagelist: %d entries\n",
dma->page_count + (count << page_order) );
@@ -527,15 +527,28 @@ static int DRM(addbufs_pci)(drm_device_t *dev, drm_buf_desc_t *request)
page_count = 0;
while ( entry->buf_count < count ) {
- page = (unsigned long)DRM(alloc)( size, DRM_MEM_DMA );
- if ( !page ) break;
- entry->seglist[entry->seg_count++] = page;
+ vaddr = (vm_offset_t) DRM(pci_alloc)(dev, size, alignment,
+ 0xfffffffful, &bus_addr);
+ if (vaddr == NULL) {
+ /* Set count correctly so we free the proper amount. */
+ entry->buf_count = count;
+ entry->seg_count = count;
+ DRM(cleanup_buf_error)(dev, entry);
+ DRM(free)(temp_pagelist, (dma->page_count +
+ (count << page_order)) * sizeof(*dma->pagelist),
+ DRM_MEM_PAGES);
+ DRM_UNLOCK;
+ return DRM_ERR(ENOMEM);
+ }
+
+ entry->seglist_bus[entry->seg_count] = bus_addr;
+ entry->seglist[entry->seg_count++] = vaddr;
for ( i = 0 ; i < (1 << page_order) ; i++ ) {
DRM_DEBUG( "page %d @ 0x%08lx\n",
dma->page_count + page_count,
page + PAGE_SIZE * i );
- dma->pagelist[dma->page_count + page_count++]
- = page + PAGE_SIZE * i;
+ temp_pagelist[dma->page_count + page_count++] =
+ vaddr + PAGE_SIZE * i;
}
for ( offset = 0 ;
offset + size <= total && entry->buf_count < count ;
@@ -546,10 +559,28 @@ static int DRM(addbufs_pci)(drm_device_t *dev, drm_buf_desc_t *request)
buf->order = order;
buf->used = 0;
buf->offset = (dma->byte_count + byte_count + offset);
- buf->address = (void *)(page + offset);
+ buf->address = (void *)(vaddr + offset);
+ buf->bus_address = bus_addr + offset;
buf->next = NULL;
buf->pending = 0;
buf->filp = NULL;
+
+ buf->dev_priv_size = sizeof(DRIVER_BUF_PRIV_T);
+ buf->dev_private = DRM(alloc)(sizeof(DRIVER_BUF_PRIV_T),
+ DRM_MEM_BUFS);
+ if (buf->dev_private == NULL) {
+ /* Set count correctly so we free the proper amount. */
+ entry->buf_count = count;
+ entry->seg_count = count;
+ DRM(cleanup_buf_error)(dev, entry);
+ DRM(free)(temp_pagelist, (dma->page_count +
+ (count << page_order)) *
+ sizeof(*dma->pagelist), DRM_MEM_PAGES );
+ DRM_UNLOCK;
+ return DRM_ERR(ENOMEM);
+ }
+ bzero(buf->dev_private, buf->dev_priv_size);
+
DRM_DEBUG( "buffer %d @ %p\n",
entry->buf_count, buf->address );
}
@@ -561,9 +592,12 @@ static int DRM(addbufs_pci)(drm_device_t *dev, drm_buf_desc_t *request)
(dma->buf_count + entry->buf_count)
* sizeof(*dma->buflist),
DRM_MEM_BUFS );
- if(!temp_buflist) {
+ if (temp_buflist == NULL) {
/* Free the entry because it isn't valid */
- DRM(cleanup_buf_error)(entry);
+ DRM(cleanup_buf_error)(dev, entry);
+ DRM(free)(temp_pagelist, (dma->page_count +
+ (count << page_order)) * sizeof(*dma->pagelist),
+ DRM_MEM_PAGES);
DRM_UNLOCK;
return DRM_ERR(ENOMEM);
}
@@ -573,6 +607,13 @@ static int DRM(addbufs_pci)(drm_device_t *dev, drm_buf_desc_t *request)
dma->buflist[i + dma->buf_count] = &entry->buflist[i];
}
+ /* No allocations failed, so now we can replace the orginal pagelist
+ * with the new one.
+ */
+ DRM(free)(dma->pagelist, dma->page_count * sizeof(*dma->pagelist),
+ DRM_MEM_PAGES);
+ dma->pagelist = temp_pagelist;
+
dma->buf_count += entry->buf_count;
dma->seg_count += entry->seg_count;
dma->page_count += entry->seg_count << page_order;
@@ -669,7 +710,7 @@ static int DRM(addbufs_sg)(drm_device_t *dev, drm_buf_desc_t *request)
if(!buf->dev_private) {
/* Set count correctly so we free the proper amount. */
entry->buf_count = count;
- DRM(cleanup_buf_error)(entry);
+ DRM(cleanup_buf_error)(dev, entry);
DRM_UNLOCK;
return DRM_ERR(ENOMEM);
}
@@ -693,7 +734,7 @@ static int DRM(addbufs_sg)(drm_device_t *dev, drm_buf_desc_t *request)
DRM_MEM_BUFS );
if(!temp_buflist) {
/* Free the entry because it isn't valid */
- DRM(cleanup_buf_error)(entry);
+ DRM(cleanup_buf_error)(dev, entry);
DRM_UNLOCK;
return DRM_ERR(ENOMEM);
}
diff --git a/bsd-core/drm_dma.c b/bsd-core/drm_dma.c
index 4ddf8b22..526faee2 100644
--- a/bsd-core/drm_dma.c
+++ b/bsd-core/drm_dma.c
@@ -70,6 +70,7 @@ void DRM(dma_takedown)(drm_device_t *dev)
/* Clear dma buffers */
for (i = 0; i <= DRM_MAX_ORDER; i++) {
+#if __HAVE_PCI_DMA
if (dma->bufs[i].seg_count) {
DRM_DEBUG("order %d: buf_count = %d,"
" seg_count = %d\n",
@@ -77,22 +78,27 @@ void DRM(dma_takedown)(drm_device_t *dev)
dma->bufs[i].buf_count,
dma->bufs[i].seg_count);
for (j = 0; j < dma->bufs[i].seg_count; j++) {
- DRM(free)((void *)dma->bufs[i].seglist[j],
- dma->bufs[i].buf_size,
- DRM_MEM_DMA);
+ if (dma->bufs[i].seglist[j] != NULL)
+ DRM(pci_free)(dev, dma->bufs[i].buf_size,
+ (void *)dma->bufs[i].seglist[j],
+ dma->bufs[i].seglist_bus[j]);
}
DRM(free)(dma->bufs[i].seglist,
dma->bufs[i].seg_count
* sizeof(*dma->bufs[0].seglist),
DRM_MEM_SEGS);
+ DRM(free)(dma->bufs[i].seglist_bus,
+ dma->bufs[i].seg_count
+ * sizeof(*dma->bufs[0].seglist_bus),
+ DRM_MEM_SEGS);
}
- if(dma->bufs[i].buf_count) {
- for(j = 0; j < dma->bufs[i].buf_count; j++) {
- if(dma->bufs[i].buflist[j].dev_private) {
- DRM(free)(dma->bufs[i].buflist[j].dev_private,
+#endif /* __HAVE_PCI_DMA */
+
+ if (dma->bufs[i].buf_count) {
+ for (j = 0; j < dma->bufs[i].buf_count; j++) {
+ DRM(free)(dma->bufs[i].buflist[j].dev_private,
dma->bufs[i].buflist[j].dev_priv_size,
DRM_MEM_BUFS);
- }
}
DRM(free)(dma->bufs[i].buflist,
dma->bufs[i].buf_count *
@@ -101,17 +107,10 @@ void DRM(dma_takedown)(drm_device_t *dev)
}
}
- if (dma->buflist) {
- DRM(free)(dma->buflist,
- dma->buf_count * sizeof(*dma->buflist),
- DRM_MEM_BUFS);
- }
-
- if (dma->pagelist) {
- DRM(free)(dma->pagelist,
- dma->page_count * sizeof(*dma->pagelist),
- DRM_MEM_PAGES);
- }
+ DRM(free)(dma->buflist, dma->buf_count * sizeof(*dma->buflist),
+ DRM_MEM_BUFS);
+ DRM(free)(dma->pagelist, dma->page_count * sizeof(*dma->pagelist),
+ DRM_MEM_PAGES);
DRM(free)(dev->dma, sizeof(*dev->dma), DRM_MEM_DRIVER);
dev->dma = NULL;
}
diff --git a/bsd-core/drm_pci.c b/bsd-core/drm_pci.c
new file mode 100644
index 00000000..aa065b64
--- /dev/null
+++ b/bsd-core/drm_pci.c
@@ -0,0 +1,65 @@
+/**
+ * \file drm_pci.h
+ * \brief PCI consistent, DMA-accessible memory functions.
+ *
+ * \author Eric Anholt <anholt@FreeBSD.org>
+ */
+
+/*
+ * Copyright 2003 Eric Anholt.
+ * 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
+ * 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 NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHOR 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 "drmP.h"
+
+/**********************************************************************/
+/** \name PCI memory */
+/*@{*/
+
+/**
+ * \brief Allocate a physically contiguous DMA-accessible consistent
+ * memory block.
+ */
+void *
+DRM(pci_alloc)(drm_device_t *dev, size_t size, size_t align, dma_addr_t maxaddr,
+ dma_addr_t *busaddr)
+{
+ void *vaddr;
+
+ vaddr = contigmalloc(size, DRM(M_DRM), M_WAITOK, 0ul, maxaddr, align,
+ 0);
+ *busaddr = vtophys(vaddr);
+
+ return vaddr;
+}
+
+/**
+ * \brief Free a DMA-accessible consistent memory block.
+ */
+void
+DRM(pci_free)(drm_device_t *dev, size_t size, void *vaddr, dma_addr_t busaddr)
+{
+#if __FreeBSD_version > 500000
+ contigfree(vaddr, size, DRM(M_DRM)); /* Not available on 4.x */
+#endif
+}
+
+/*@}*/
diff --git a/bsd-core/r128_drv.c b/bsd-core/r128_drv.c
index e7d18959..0aae76e8 100644
--- a/bsd-core/r128_drv.c
+++ b/bsd-core/r128_drv.c
@@ -75,11 +75,10 @@ drm_chipinfo_t DRM(devicelist)[] = {
#include "drm_ioctl.h"
#include "drm_lock.h"
#include "drm_memory.h"
+#include "drm_pci.h"
#include "drm_sysctl.h"
#include "drm_vm.h"
-#if __HAVE_SG
#include "drm_scatter.h"
-#endif
#ifdef __FreeBSD__
DRIVER_MODULE(r128, pci, r128_driver, r128_devclass, 0, 0);
diff --git a/bsd-core/radeon_drv.c b/bsd-core/radeon_drv.c
index badd7081..5ad5d4b0 100644
--- a/bsd-core/radeon_drv.c
+++ b/bsd-core/radeon_drv.c
@@ -88,11 +88,10 @@ drm_chipinfo_t DRM(devicelist)[] = {
#include "drm_ioctl.h"
#include "drm_lock.h"
#include "drm_memory.h"
+#include "drm_pci.h"
#include "drm_vm.h"
#include "drm_sysctl.h"
-#if __HAVE_SG
#include "drm_scatter.h"
-#endif
#ifdef __FreeBSD__
DRIVER_MODULE(DRIVER_NAME, pci, DRM(driver), DRM(devclass), 0, 0);
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-24 18:21:00 +0000