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Bring bsd-3-0-0-branch up-to-date with trunk code.

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This commit is contained in:
Alan Hourihane 2002-05-28 09:11:17 +00:00
parent 4b905752d3
commit 271f730bf0
16 changed files with 208 additions and 158 deletions
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51
linux-core/drmP.h
View file

@ -144,6 +144,57 @@
#define DRM_MAX_CTXBITMAP (PAGE_SIZE * 8)
/* Backward compatibility section */
#ifndef minor
#define minor(x) MINOR((x))
#endif
#ifndef MODULE_LICENSE
#define MODULE_LICENSE(x)
#endif
#ifndef preempt_disable
#define preempt_disable()
#define preempt_enable()
#endif
#ifndef pte_offset_map
#define pte_offset_map pte_offset
#define pte_unmap(pte)
#endif
#if LINUX_VERSION_CODE < 0x020500
static inline struct page * vmalloc_to_page(void * vmalloc_addr)
{
unsigned long addr = (unsigned long) vmalloc_addr;
struct page *page = NULL;
pgd_t *pgd = pgd_offset_k(addr);
pmd_t *pmd;
pte_t *ptep, pte;
if (!pgd_none(*pgd)) {
pmd = pmd_offset(pgd, addr);
if (!pmd_none(*pmd)) {
preempt_disable();
ptep = pte_offset_map(pmd, addr);
pte = *ptep;
if (pte_present(pte))
page = pte_page(pte);
pte_unmap(ptep);
preempt_enable();
}
}
return page;
}
#endif
#if LINUX_VERSION_CODE < 0x020500
#define DRM_RPR_ARG(vma)
#else
#define DRM_RPR_ARG(vma) vma,
#endif
#define VM_OFFSET(vma) ((vma)->vm_pgoff << PAGE_SHIFT)
/* Macros to make printk easier */

4
linux-core/drm_drv.c
View file

@ -218,9 +218,7 @@ static char *drm_opts = NULL;
MODULE_AUTHOR( DRIVER_AUTHOR );
MODULE_DESCRIPTION( DRIVER_DESC );
MODULE_PARM( drm_opts, "s" );
#ifdef MODULE_LICENSE
MODULE_LICENSE("GPL and additional rights");
#endif
static int DRM(setup)( drm_device_t *dev )
{
@ -705,7 +703,7 @@ int DRM(open)( struct inode *inode, struct file *filp )
int i;
for (i = 0; i < DRM(numdevs); i++) {
if (MINOR(inode->i_rdev) == DRM(minor)[i]) {
if (minor(inode->i_rdev) == DRM(minor)[i]) {
dev = &(DRM(device)[i]);
break;
}

14
linux-core/drm_fops.c
View file

@ -38,7 +38,7 @@
int DRM(open_helper)(struct inode *inode, struct file *filp, drm_device_t *dev)
{
kdev_t minor = MINOR(inode->i_rdev);
int minor = minor(inode->i_rdev);
drm_file_t *priv;
if (filp->f_flags & O_EXCL) return -EBUSY; /* No exclusive opens */
@ -125,31 +125,21 @@ ssize_t DRM(read)(struct file *filp, char *buf, size_t count, loff_t *off)
int avail;
int send;
int cur;
DECLARE_WAITQUEUE(wait, current);
DRM_DEBUG("%p, %p\n", dev->buf_rp, dev->buf_wp);
add_wait_queue(&dev->buf_readers, &wait);
set_current_state(TASK_INTERRUPTIBLE);
while (dev->buf_rp == dev->buf_wp) {
DRM_DEBUG(" sleeping\n");
if (filp->f_flags & O_NONBLOCK) {
remove_wait_queue(&dev->buf_readers, &wait);
set_current_state(TASK_RUNNING);
return -EAGAIN;
}
schedule(); /* wait for dev->buf_readers */
interruptible_sleep_on(&dev->buf_readers);
if (signal_pending(current)) {
DRM_DEBUG(" interrupted\n");
remove_wait_queue(&dev->buf_readers, &wait);
set_current_state(TASK_RUNNING);
return -ERESTARTSYS;
}
DRM_DEBUG(" awake\n");
set_current_state(TASK_INTERRUPTIBLE);
}
remove_wait_queue(&dev->buf_readers, &wait);
set_current_state(TASK_RUNNING);
left = (dev->buf_rp + DRM_BSZ - dev->buf_wp) % DRM_BSZ;
avail = DRM_BSZ - left;

20
linux-core/drm_scatter.c
View file

@ -66,9 +66,6 @@ int DRM(sg_alloc)( struct inode *inode, struct file *filp,
drm_scatter_gather_t request;
drm_sg_mem_t *entry;
unsigned long pages, i, j;
pgd_t *pgd;
pmd_t *pmd;
pte_t *pte;
DRM_DEBUG( "%s\n", __FUNCTION__ );
@ -137,21 +134,10 @@ int DRM(sg_alloc)( struct inode *inode, struct file *filp,
DRM_DEBUG( "sg alloc virtual = %p\n", entry->virtual );
for ( i = entry->handle, j = 0 ; j < pages ; i += PAGE_SIZE, j++ ) {
pgd = pgd_offset_k( i );
if ( !pgd_present( *pgd ) )
entry->pagelist[j] = vmalloc_to_page((void *)i);
if (!entry->pagelist[j])
goto failed;
pmd = pmd_offset( pgd, i );
if ( !pmd_present( *pmd ) )
goto failed;
pte = pte_offset( pmd, i );
if ( !pte_present( *pte ) )
goto failed;
entry->pagelist[j] = pte_page( *pte );
SetPageReserved( entry->pagelist[j] );
SetPageReserved(entry->pagelist[j]);
}
request.handle = entry->handle;

2
linux-core/drm_stub.c
View file

@ -49,7 +49,7 @@ static struct drm_stub_info {
static int DRM(stub_open)(struct inode *inode, struct file *filp)
{
int minor = MINOR(inode->i_rdev);
int minor = minor(inode->i_rdev);
int err = -ENODEV;
struct file_operations *old_fops;

21
linux-core/drm_vm.c
View file

@ -130,9 +130,6 @@ struct page *DRM(vm_shm_nopage)(struct vm_area_struct *vma,
drm_map_t *map = (drm_map_t *)vma->vm_private_data;
unsigned long offset;
unsigned long i;
pgd_t *pgd;
pmd_t *pmd;
pte_t *pte;
struct page *page;
if (address > vma->vm_end) return NOPAGE_SIGBUS; /* Disallow mremap */
@ -140,17 +137,9 @@ struct page *DRM(vm_shm_nopage)(struct vm_area_struct *vma,
offset = address - vma->vm_start;
i = (unsigned long)map->handle + offset;
/* We have to walk page tables here because we need large SAREA's, and
* they need to be virtually contiguous in kernel space.
*/
pgd = pgd_offset_k( i );
if( !pgd_present( *pgd ) ) return NOPAGE_OOM;
pmd = pmd_offset( pgd, i );
if( !pmd_present( *pmd ) ) return NOPAGE_OOM;
pte = pte_offset( pmd, i );
if( !pte_present( *pte ) ) return NOPAGE_OOM;
page = pte_page(*pte);
page = vmalloc_to_page((void *)i);
if (!page)
return NOPAGE_OOM;
get_page(page);
DRM_DEBUG("shm_nopage 0x%lx\n", address);
@ -462,12 +451,12 @@ int DRM(mmap)(struct file *filp, struct vm_area_struct *vma)
}
offset = DRIVER_GET_REG_OFS();
#ifdef __sparc__
if (io_remap_page_range(vma->vm_start,
if (io_remap_page_range(DRM_RPR_ARG(vma) vma->vm_start,
VM_OFFSET(vma) + offset,
vma->vm_end - vma->vm_start,
vma->vm_page_prot, 0))
#else
if (remap_page_range(vma->vm_start,
if (remap_page_range(DRM_RPR_ARG(vma) vma->vm_start,
VM_OFFSET(vma) + offset,
vma->vm_end - vma->vm_start,
vma->vm_page_prot))

31
linux-core/i810_dma.c
View file

@ -159,7 +159,7 @@ int i810_mmap_buffers(struct file *filp, struct vm_area_struct *vma)
buf_priv->currently_mapped = I810_BUF_MAPPED;
unlock_kernel();
if (remap_page_range(vma->vm_start,
if (remap_page_range(DRM_RPR_ARG(vma) vma->vm_start,
VM_OFFSET(vma),
vma->vm_end - vma->vm_start,
vma->vm_page_prot)) return -EAGAIN;
@ -270,22 +270,30 @@ static unsigned long i810_alloc_page(drm_device_t *dev)
if(address == 0UL)
return 0;
#if LINUX_VERSION_CODE < 0x020500
atomic_inc(&virt_to_page(address)->count);
set_bit(PG_locked, &virt_to_page(address)->flags);
#else
get_page(virt_to_page(address));
SetPageLocked(virt_to_page(address));
#endif
return address;
}
static void i810_free_page(drm_device_t *dev, unsigned long page)
{
if(page == 0UL)
return;
atomic_dec(&virt_to_page(page)->count);
clear_bit(PG_locked, &virt_to_page(page)->flags);
wake_up(&virt_to_page(page)->wait);
free_page(page);
return;
if (page) {
#if LINUX_VERSION_CODE < 0x020500
atomic_dec(&virt_to_page(page)->count);
clear_bit(PG_locked, &virt_to_page(page)->flags);
wake_up(&virt_to_page(page)->wait);
#else
struct page *p = virt_to_page(page);
put_page(p);
unlock_page(p);
#endif
free_page(page);
}
}
static int i810_dma_cleanup(drm_device_t *dev)
@ -344,8 +352,7 @@ static int i810_wait_ring(drm_device_t *dev, int n)
DRM_ERROR("lockup\n");
goto out_wait_ring;
}
for (i = 0 ; i < 2000 ; i++) ;
udelay(1);
}
out_wait_ring:

40
linux-core/i830_dma.c
View file

@ -62,7 +62,7 @@ do { \
do { \
_head = I830_READ(LP_RING + RING_HEAD) & HEAD_ADDR; \
_tail = I830_READ(LP_RING + RING_TAIL) & TAIL_ADDR; \
for(_i = 0; _i < 65535; _i++); \
udelay(10); \
} while(_head != _tail); \
} while(0)
@ -183,7 +183,7 @@ int i830_mmap_buffers(struct file *filp, struct vm_area_struct *vma)
buf_priv->currently_mapped = I830_BUF_MAPPED;
unlock_kernel();
if (remap_page_range(vma->vm_start,
if (remap_page_range(DRM_RPR_ARG(vma) vma->vm_start,
VM_OFFSET(vma),
vma->vm_end - vma->vm_start,
vma->vm_page_prot)) return -EAGAIN;
@ -247,14 +247,11 @@ static int i830_unmap_buffer(drm_buf_t *buf)
#else
down_write( &current->mm->mmap_sem );
#endif
#if LINUX_VERSION_CODE < 0x020399
retcode = do_munmap((unsigned long)buf_priv->virtual,
(size_t) buf->total);
#else
retcode = do_munmap(current->mm,
(unsigned long)buf_priv->virtual,
(size_t) buf->total);
#endif
#if LINUX_VERSION_CODE <= 0x020402
up( &current->mm->mmap_sem );
#else
@ -306,22 +303,30 @@ static unsigned long i830_alloc_page(drm_device_t *dev)
if(address == 0UL)
return 0;
#if LINUX_VERSION_CODE < 0x020500
atomic_inc(&virt_to_page(address)->count);
set_bit(PG_locked, &virt_to_page(address)->flags);
#else
get_page(virt_to_page(address));
SetPageLocked(virt_to_page(address));
#endif
return address;
}
static void i830_free_page(drm_device_t *dev, unsigned long page)
{
if(page == 0UL)
return;
atomic_dec(&virt_to_page(page)->count);
clear_bit(PG_locked, &virt_to_page(page)->flags);
wake_up(&virt_to_page(page)->wait);
free_page(page);
return;
if (page) {
#if LINUX_VERSION_CODE < 0x020500
atomic_dec(&virt_to_page(page)->count);
clear_bit(PG_locked, &virt_to_page(page)->flags);
wake_up(&virt_to_page(page)->wait);
#else
struct page *p = virt_to_page(page);
put_page(p);
unlock_page(p);
#endif
free_page(page);
}
}
static int i830_dma_cleanup(drm_device_t *dev)
@ -382,8 +387,7 @@ static int i830_wait_ring(drm_device_t *dev, int n)
DRM_ERROR("lockup\n");
goto out_wait_ring;
}
for (i = 0 ; i < 2000 ; i++) ;
udelay(1);
}
out_wait_ring:

51
linux/drmP.h
View file

@ -144,6 +144,57 @@
#define DRM_MAX_CTXBITMAP (PAGE_SIZE * 8)
/* Backward compatibility section */
#ifndef minor
#define minor(x) MINOR((x))
#endif
#ifndef MODULE_LICENSE
#define MODULE_LICENSE(x)
#endif
#ifndef preempt_disable
#define preempt_disable()
#define preempt_enable()
#endif
#ifndef pte_offset_map
#define pte_offset_map pte_offset
#define pte_unmap(pte)
#endif
#if LINUX_VERSION_CODE < 0x020500
static inline struct page * vmalloc_to_page(void * vmalloc_addr)
{
unsigned long addr = (unsigned long) vmalloc_addr;
struct page *page = NULL;
pgd_t *pgd = pgd_offset_k(addr);
pmd_t *pmd;
pte_t *ptep, pte;
if (!pgd_none(*pgd)) {
pmd = pmd_offset(pgd, addr);
if (!pmd_none(*pmd)) {
preempt_disable();
ptep = pte_offset_map(pmd, addr);
pte = *ptep;
if (pte_present(pte))
page = pte_page(pte);
pte_unmap(ptep);
preempt_enable();
}
}
return page;
}
#endif
#if LINUX_VERSION_CODE < 0x020500
#define DRM_RPR_ARG(vma)
#else
#define DRM_RPR_ARG(vma) vma,
#endif
#define VM_OFFSET(vma) ((vma)->vm_pgoff << PAGE_SHIFT)
/* Macros to make printk easier */

4
linux/drm_drv.h
View file

@ -218,9 +218,7 @@ static char *drm_opts = NULL;
MODULE_AUTHOR( DRIVER_AUTHOR );
MODULE_DESCRIPTION( DRIVER_DESC );
MODULE_PARM( drm_opts, "s" );
#ifdef MODULE_LICENSE
MODULE_LICENSE("GPL and additional rights");
#endif
static int DRM(setup)( drm_device_t *dev )
{
@ -705,7 +703,7 @@ int DRM(open)( struct inode *inode, struct file *filp )
int i;
for (i = 0; i < DRM(numdevs); i++) {
if (MINOR(inode->i_rdev) == DRM(minor)[i]) {
if (minor(inode->i_rdev) == DRM(minor)[i]) {
dev = &(DRM(device)[i]);
break;
}

14
linux/drm_fops.h
View file

@ -38,7 +38,7 @@
int DRM(open_helper)(struct inode *inode, struct file *filp, drm_device_t *dev)
{
kdev_t minor = MINOR(inode->i_rdev);
int minor = minor(inode->i_rdev);
drm_file_t *priv;
if (filp->f_flags & O_EXCL) return -EBUSY; /* No exclusive opens */
@ -125,31 +125,21 @@ ssize_t DRM(read)(struct file *filp, char *buf, size_t count, loff_t *off)
int avail;
int send;
int cur;
DECLARE_WAITQUEUE(wait, current);
DRM_DEBUG("%p, %p\n", dev->buf_rp, dev->buf_wp);
add_wait_queue(&dev->buf_readers, &wait);
set_current_state(TASK_INTERRUPTIBLE);
while (dev->buf_rp == dev->buf_wp) {
DRM_DEBUG(" sleeping\n");
if (filp->f_flags & O_NONBLOCK) {
remove_wait_queue(&dev->buf_readers, &wait);
set_current_state(TASK_RUNNING);
return -EAGAIN;
}
schedule(); /* wait for dev->buf_readers */
interruptible_sleep_on(&dev->buf_readers);
if (signal_pending(current)) {
DRM_DEBUG(" interrupted\n");
remove_wait_queue(&dev->buf_readers, &wait);
set_current_state(TASK_RUNNING);
return -ERESTARTSYS;
}
DRM_DEBUG(" awake\n");
set_current_state(TASK_INTERRUPTIBLE);
}
remove_wait_queue(&dev->buf_readers, &wait);
set_current_state(TASK_RUNNING);
left = (dev->buf_rp + DRM_BSZ - dev->buf_wp) % DRM_BSZ;
avail = DRM_BSZ - left;

20
linux/drm_scatter.h
View file

@ -66,9 +66,6 @@ int DRM(sg_alloc)( struct inode *inode, struct file *filp,
drm_scatter_gather_t request;
drm_sg_mem_t *entry;
unsigned long pages, i, j;
pgd_t *pgd;
pmd_t *pmd;
pte_t *pte;
DRM_DEBUG( "%s\n", __FUNCTION__ );
@ -137,21 +134,10 @@ int DRM(sg_alloc)( struct inode *inode, struct file *filp,
DRM_DEBUG( "sg alloc virtual = %p\n", entry->virtual );
for ( i = entry->handle, j = 0 ; j < pages ; i += PAGE_SIZE, j++ ) {
pgd = pgd_offset_k( i );
if ( !pgd_present( *pgd ) )
entry->pagelist[j] = vmalloc_to_page((void *)i);
if (!entry->pagelist[j])
goto failed;
pmd = pmd_offset( pgd, i );
if ( !pmd_present( *pmd ) )
goto failed;
pte = pte_offset( pmd, i );
if ( !pte_present( *pte ) )
goto failed;
entry->pagelist[j] = pte_page( *pte );
SetPageReserved( entry->pagelist[j] );
SetPageReserved(entry->pagelist[j]);
}
request.handle = entry->handle;

2
linux/drm_stub.h
View file

@ -49,7 +49,7 @@ static struct drm_stub_info {
static int DRM(stub_open)(struct inode *inode, struct file *filp)
{
int minor = MINOR(inode->i_rdev);
int minor = minor(inode->i_rdev);
int err = -ENODEV;
struct file_operations *old_fops;

21
linux/drm_vm.h
View file

@ -130,9 +130,6 @@ struct page *DRM(vm_shm_nopage)(struct vm_area_struct *vma,
drm_map_t *map = (drm_map_t *)vma->vm_private_data;
unsigned long offset;
unsigned long i;
pgd_t *pgd;
pmd_t *pmd;
pte_t *pte;
struct page *page;
if (address > vma->vm_end) return NOPAGE_SIGBUS; /* Disallow mremap */
@ -140,17 +137,9 @@ struct page *DRM(vm_shm_nopage)(struct vm_area_struct *vma,
offset = address - vma->vm_start;
i = (unsigned long)map->handle + offset;
/* We have to walk page tables here because we need large SAREA's, and
* they need to be virtually contiguous in kernel space.
*/
pgd = pgd_offset_k( i );
if( !pgd_present( *pgd ) ) return NOPAGE_OOM;
pmd = pmd_offset( pgd, i );
if( !pmd_present( *pmd ) ) return NOPAGE_OOM;
pte = pte_offset( pmd, i );
if( !pte_present( *pte ) ) return NOPAGE_OOM;
page = pte_page(*pte);
page = vmalloc_to_page((void *)i);
if (!page)
return NOPAGE_OOM;
get_page(page);
DRM_DEBUG("shm_nopage 0x%lx\n", address);
@ -462,12 +451,12 @@ int DRM(mmap)(struct file *filp, struct vm_area_struct *vma)
}
offset = DRIVER_GET_REG_OFS();
#ifdef __sparc__
if (io_remap_page_range(vma->vm_start,
if (io_remap_page_range(DRM_RPR_ARG(vma) vma->vm_start,
VM_OFFSET(vma) + offset,
vma->vm_end - vma->vm_start,
vma->vm_page_prot, 0))
#else
if (remap_page_range(vma->vm_start,
if (remap_page_range(DRM_RPR_ARG(vma) vma->vm_start,
VM_OFFSET(vma) + offset,
vma->vm_end - vma->vm_start,
vma->vm_page_prot))

31
linux/i810_dma.c
View file

@ -159,7 +159,7 @@ int i810_mmap_buffers(struct file *filp, struct vm_area_struct *vma)
buf_priv->currently_mapped = I810_BUF_MAPPED;
unlock_kernel();
if (remap_page_range(vma->vm_start,
if (remap_page_range(DRM_RPR_ARG(vma) vma->vm_start,
VM_OFFSET(vma),
vma->vm_end - vma->vm_start,
vma->vm_page_prot)) return -EAGAIN;
@ -270,22 +270,30 @@ static unsigned long i810_alloc_page(drm_device_t *dev)
if(address == 0UL)
return 0;
#if LINUX_VERSION_CODE < 0x020500
atomic_inc(&virt_to_page(address)->count);
set_bit(PG_locked, &virt_to_page(address)->flags);
#else
get_page(virt_to_page(address));
SetPageLocked(virt_to_page(address));
#endif
return address;
}
static void i810_free_page(drm_device_t *dev, unsigned long page)
{
if(page == 0UL)
return;
atomic_dec(&virt_to_page(page)->count);
clear_bit(PG_locked, &virt_to_page(page)->flags);
wake_up(&virt_to_page(page)->wait);
free_page(page);
return;
if (page) {
#if LINUX_VERSION_CODE < 0x020500
atomic_dec(&virt_to_page(page)->count);
clear_bit(PG_locked, &virt_to_page(page)->flags);
wake_up(&virt_to_page(page)->wait);
#else
struct page *p = virt_to_page(page);
put_page(p);
unlock_page(p);
#endif
free_page(page);
}
}
static int i810_dma_cleanup(drm_device_t *dev)
@ -344,8 +352,7 @@ static int i810_wait_ring(drm_device_t *dev, int n)
DRM_ERROR("lockup\n");
goto out_wait_ring;
}
for (i = 0 ; i < 2000 ; i++) ;
udelay(1);
}
out_wait_ring:

40
linux/i830_dma.c
View file

@ -62,7 +62,7 @@ do { \
do { \
_head = I830_READ(LP_RING + RING_HEAD) & HEAD_ADDR; \
_tail = I830_READ(LP_RING + RING_TAIL) & TAIL_ADDR; \
for(_i = 0; _i < 65535; _i++); \
udelay(10); \
} while(_head != _tail); \
} while(0)
@ -183,7 +183,7 @@ int i830_mmap_buffers(struct file *filp, struct vm_area_struct *vma)
buf_priv->currently_mapped = I830_BUF_MAPPED;
unlock_kernel();
if (remap_page_range(vma->vm_start,
if (remap_page_range(DRM_RPR_ARG(vma) vma->vm_start,
VM_OFFSET(vma),
vma->vm_end - vma->vm_start,
vma->vm_page_prot)) return -EAGAIN;
@ -247,14 +247,11 @@ static int i830_unmap_buffer(drm_buf_t *buf)
#else
down_write( &current->mm->mmap_sem );
#endif
#if LINUX_VERSION_CODE < 0x020399
retcode = do_munmap((unsigned long)buf_priv->virtual,
(size_t) buf->total);
#else
retcode = do_munmap(current->mm,
(unsigned long)buf_priv->virtual,
(size_t) buf->total);
#endif
#if LINUX_VERSION_CODE <= 0x020402
up( &current->mm->mmap_sem );
#else
@ -306,22 +303,30 @@ static unsigned long i830_alloc_page(drm_device_t *dev)
if(address == 0UL)
return 0;
#if LINUX_VERSION_CODE < 0x020500
atomic_inc(&virt_to_page(address)->count);
set_bit(PG_locked, &virt_to_page(address)->flags);
#else
get_page(virt_to_page(address));
SetPageLocked(virt_to_page(address));
#endif
return address;
}
static void i830_free_page(drm_device_t *dev, unsigned long page)
{
if(page == 0UL)
return;
atomic_dec(&virt_to_page(page)->count);
clear_bit(PG_locked, &virt_to_page(page)->flags);
wake_up(&virt_to_page(page)->wait);
free_page(page);
return;
if (page) {
#if LINUX_VERSION_CODE < 0x020500
atomic_dec(&virt_to_page(page)->count);
clear_bit(PG_locked, &virt_to_page(page)->flags);
wake_up(&virt_to_page(page)->wait);
#else
struct page *p = virt_to_page(page);
put_page(p);
unlock_page(p);
#endif
free_page(page);
}
}
static int i830_dma_cleanup(drm_device_t *dev)
@ -382,8 +387,7 @@ static int i830_wait_ring(drm_device_t *dev, int n)
DRM_ERROR("lockup\n");
goto out_wait_ring;
}
for (i = 0 ; i < 2000 ; i++) ;
udelay(1);
}
out_wait_ring: