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Commit da501825 authored by Linus Torvalds's avatar Linus Torvalds
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Merge http://linux-sound.bkbits.net/linux-sound 

into home.osdl.org:/home/torvalds/v2.5/linux
parents c1fabdad 2a98ed00
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Showing with 724 additions and 597 deletions
drivers/char/drm/Kconfig
View file @ da501825
......@@ -75,9 +75,9 @@ config DRM_MGA
config DRM_SIS
tristate "SiS video cards"
depends on DRM && AGP && FB_SIS
depends on DRM && AGP
help
Choose this option if you have a SiS 630 or compatibel video
chipset. If M is selected the module will be called sis. AGP
and SiS FB support is required for this driver to work.
support is required for this driver to work.
drivers/char/drm/drmP.h
View file @ da501825
......@@ -551,7 +551,7 @@ typedef struct drm_device_dma {
*/
typedef struct drm_agp_mem {
unsigned long handle; /**< handle */
struct agp_memory *memory;
DRM_AGP_MEM *memory;
unsigned long bound; /**< address */
int pages;
struct drm_agp_mem *prev; /**< previous entry */
......@@ -564,7 +564,7 @@ typedef struct drm_agp_mem {
* \sa DRM(agp_init)() and drm_device::agp.
*/
typedef struct drm_agp_head {
struct agp_kern_info agp_info; /**< AGP device information */
DRM_AGP_KERN agp_info; /**< AGP device information */
drm_agp_mem_t *memory; /**< memory entries */
unsigned long mode; /**< AGP mode */
int enabled; /**< whether the AGP bus as been enabled */
......@@ -797,10 +797,10 @@ extern void *DRM(ioremap_nocache)(unsigned long offset, unsigned long size,
extern void DRM(ioremapfree)(void *pt, unsigned long size, drm_device_t *dev);
#if __REALLY_HAVE_AGP
extern struct agp_memory *DRM(alloc_agp)(int pages, u32 type);
extern int DRM(free_agp)(struct agp_memory *handle, int pages);
extern int DRM(bind_agp)(struct agp_memory *handle, unsigned int start);
extern int DRM(unbind_agp)(struct agp_memory *handle);
extern DRM_AGP_MEM *DRM(alloc_agp)(int pages, u32 type);
extern int DRM(free_agp)(DRM_AGP_MEM *handle, int pages);
extern int DRM(bind_agp)(DRM_AGP_MEM *handle, unsigned int start);
extern int DRM(unbind_agp)(DRM_AGP_MEM *handle);
#endif
/* Misc. IOCTL support (drm_ioctl.h) */
......@@ -905,8 +905,7 @@ extern int DRM(control)( struct inode *inode, struct file *filp,
unsigned int cmd, unsigned long arg );
extern int DRM(irq_install)( drm_device_t *dev, int irq );
extern int DRM(irq_uninstall)( drm_device_t *dev );
extern irqreturn_t DRM(dma_service)( int irq, void *device,
struct pt_regs *regs );
extern irqreturn_t DRM(dma_service)( DRM_IRQ_ARGS );
extern void DRM(driver_irq_preinstall)( drm_device_t *dev );
extern void DRM(driver_irq_postinstall)( drm_device_t *dev );
extern void DRM(driver_irq_uninstall)( drm_device_t *dev );
......@@ -944,10 +943,10 @@ extern int DRM(agp_unbind)(struct inode *inode, struct file *filp,
unsigned int cmd, unsigned long arg);
extern int DRM(agp_bind)(struct inode *inode, struct file *filp,
unsigned int cmd, unsigned long arg);
extern struct agp_memory *DRM(agp_allocate_memory)(size_t pages, u32 type);
extern int DRM(agp_free_memory)(struct agp_memory *handle);
extern int DRM(agp_bind_memory)(struct agp_memory *handle, off_t start);
extern int DRM(agp_unbind_memory)(struct agp_memory *handle);
extern DRM_AGP_MEM *DRM(agp_allocate_memory)(size_t pages, u32 type);
extern int DRM(agp_free_memory)(DRM_AGP_MEM *handle);
extern int DRM(agp_bind_memory)(DRM_AGP_MEM *handle, off_t start);
extern int DRM(agp_unbind_memory)(DRM_AGP_MEM *handle);
#endif
/* Stub support (drm_stub.h) */
......
drivers/char/drm/drm_agpsupport.h
View file @ da501825
......@@ -62,7 +62,7 @@ int DRM(agp_info)(struct inode *inode, struct file *filp,
{
drm_file_t *priv = filp->private_data;
drm_device_t *dev = priv->dev;
struct agp_kern_info *kern;
DRM_AGP_KERN *kern;
drm_agp_info_t info;
if (!dev->agp || !dev->agp->acquired || !drm_agp->copy_info)
......@@ -198,7 +198,7 @@ int DRM(agp_alloc)(struct inode *inode, struct file *filp,
drm_device_t *dev = priv->dev;
drm_agp_buffer_t request;
drm_agp_mem_t *entry;
struct agp_memory *memory;
DRM_AGP_MEM *memory;
unsigned long pages;
u32 type;
......@@ -429,7 +429,7 @@ void DRM(agp_uninit)(void)
}
/** Calls drm_agp->allocate_memory() */
struct agp_memory *DRM(agp_allocate_memory)(size_t pages, u32 type)
DRM_AGP_MEM *DRM(agp_allocate_memory)(size_t pages, u32 type)
{
if (!drm_agp->allocate_memory)
return NULL;
......@@ -437,7 +437,7 @@ struct agp_memory *DRM(agp_allocate_memory)(size_t pages, u32 type)
}
/** Calls drm_agp->free_memory() */
int DRM(agp_free_memory)(struct agp_memory *handle)
int DRM(agp_free_memory)(DRM_AGP_MEM *handle)
{
if (!handle || !drm_agp->free_memory)
return 0;
......@@ -446,7 +446,7 @@ int DRM(agp_free_memory)(struct agp_memory *handle)
}
/** Calls drm_agp->bind_memory() */
int DRM(agp_bind_memory)(struct agp_memory *handle, off_t start)
int DRM(agp_bind_memory)(DRM_AGP_MEM *handle, off_t start)
{
if (!handle || !drm_agp->bind_memory)
return -EINVAL;
......@@ -454,7 +454,7 @@ int DRM(agp_bind_memory)(struct agp_memory *handle, off_t start)
}
/** Calls drm_agp->unbind_memory() */
int DRM(agp_unbind_memory)(struct agp_memory *handle)
int DRM(agp_unbind_memory)(DRM_AGP_MEM *handle)
{
if (!handle || !drm_agp->unbind_memory)
return -EINVAL;
......
drivers/char/drm/drm_memory.h
View file @ da501825
......@@ -333,25 +333,25 @@ void DRM(ioremapfree)(void *pt, unsigned long size, drm_device_t *dev)
#if __REALLY_HAVE_AGP
/** Wrapper around agp_allocate_memory() */
struct agp_memory *DRM(alloc_agp)(int pages, u32 type)
DRM_AGP_MEM *DRM(alloc_agp)(int pages, u32 type)
{
return DRM(agp_allocate_memory)(pages, type);
}
/** Wrapper around agp_free_memory() */
int DRM(free_agp)(struct agp_memory *handle, int pages)
int DRM(free_agp)(DRM_AGP_MEM *handle, int pages)
{
return DRM(agp_free_memory)(handle) ? 0 : -EINVAL;
}
/** Wrapper around agp_bind_memory() */
int DRM(bind_agp)(struct agp_memory *handle, unsigned int start)
int DRM(bind_agp)(DRM_AGP_MEM *handle, unsigned int start)
{
return DRM(agp_bind_memory)(handle, start);
}
/** Wrapper around agp_unbind_memory() */
int DRM(unbind_agp)(struct agp_memory *handle)
int DRM(unbind_agp)(DRM_AGP_MEM *handle)
{
return DRM(agp_unbind_memory)(handle);
}
......
drivers/char/drm/drm_memory_debug.h
View file @ da501825
......@@ -353,9 +353,9 @@ void DRM(ioremapfree)(void *pt, unsigned long size, drm_device_t *dev)
#if __REALLY_HAVE_AGP
agp_memory *DRM(alloc_agp)(int pages, u32 type)
DRM_AGP_MEM *DRM(alloc_agp)(int pages, u32 type)
{
agp_memory *handle;
DRM_AGP_MEM *handle;
if (!pages) {
DRM_MEM_ERROR(DRM_MEM_TOTALAGP, "Allocating 0 pages\n");
......@@ -376,7 +376,7 @@ agp_memory *DRM(alloc_agp)(int pages, u32 type)
return NULL;
}
int DRM(free_agp)(agp_memory *handle, int pages)
int DRM(free_agp)(DRM_AGP_MEM *handle, int pages)
{
int alloc_count;
int free_count;
......@@ -405,7 +405,7 @@ int DRM(free_agp)(agp_memory *handle, int pages)
return retval;
}
int DRM(bind_agp)(agp_memory *handle, unsigned int start)
int DRM(bind_agp)(DRM_AGP_MEM *handle, unsigned int start)
{
int retcode = -EINVAL;
......@@ -429,7 +429,7 @@ int DRM(bind_agp)(agp_memory *handle, unsigned int start)
return retcode;
}
int DRM(unbind_agp)(agp_memory *handle)
int DRM(unbind_agp)(DRM_AGP_MEM *handle)
{
int alloc_count;
int free_count;
......
drivers/char/drm/drm_os_linux.h
View file @ da501825
......@@ -32,9 +32,14 @@
/** DRM device local declaration */
#define DRM_DEVICE drm_file_t *priv = filp->private_data; \
drm_device_t *dev = priv->dev
/** IRQ handler arguments */
#define DRM_IRQ_ARGS int irq, void *arg, struct pt_regs *regs
/** IRQ handler arguments and return type and values */
#define DRM_IRQ_ARGS int irq, void *arg, struct pt_regs *regs
/** AGP types */
#define DRM_AGP_MEM struct agp_memory
#define DRM_AGP_KERN struct agp_kern_info
/** Task queue handler arguments */
#define DRM_TASKQUEUE_ARGS void *arg
......
drivers/char/drm/gamma_dma.c
View file @ da501825
......@@ -116,13 +116,14 @@ static inline int gamma_dma_is_ready(drm_device_t *dev)
return (!GAMMA_READ(GAMMA_DMACOUNT));
}
irqreturn_t gamma_dma_service(int irq, void *device, struct pt_regs *regs)
irqreturn_t gamma_dma_service( DRM_IRQ_ARGS )
{
drm_device_t *dev = (drm_device_t *)device;
drm_device_t *dev = (drm_device_t *)arg;
drm_device_dma_t *dma = dev->dma;
drm_gamma_private_t *dev_priv =
(drm_gamma_private_t *)dev->dev_private;
/* FIXME: should check whether we're actually interested in the interrupt? */
atomic_inc(&dev->counts[6]); /* _DRM_STAT_IRQ */
while (GAMMA_READ(GAMMA_INFIFOSPACE) < 3)
......@@ -141,7 +142,7 @@ irqreturn_t gamma_dma_service(int irq, void *device, struct pt_regs *regs)
}
clear_bit(0, &dev->dma_flag);
/* Dispatch new buffer */
/* Dispatch new buffer */
schedule_work(&dev->work);
}
return IRQ_HANDLED;
......
drivers/char/drm/i830_irq.c
View file @ da501825
......@@ -35,9 +35,9 @@
#include <linux/delay.h>
irqreturn_t DRM(dma_service)(int irq, void *device, struct pt_regs *regs)
irqreturn_t DRM(dma_service)( DRM_IRQ_ARGS )
{
drm_device_t *dev = (drm_device_t *)device;
drm_device_t *dev = (drm_device_t *)arg;
drm_i830_private_t *dev_priv = (drm_i830_private_t *)dev->dev_private;
u16 temp;
......
drivers/char/drm/sis.h
View file @ da501825
......@@ -33,7 +33,11 @@
* Name it sisdrv_##x as there's a conflict with sis_free/malloc in the kernel
* that's used for fb devices
*/
#ifdef __linux__
#define DRM(x) sisdrv_##x
#else
#define DRM(x) sis_##x
#endif
/* General customization:
*/
......@@ -42,28 +46,21 @@
#define __HAVE_MTRR 1
#define __HAVE_CTX_BITMAP 1
#define DRIVER_AUTHOR "SIS"
#define DRIVER_NAME "sis"
#define DRIVER_DESC "SIS 300/630/540"
#define DRIVER_DATE "20010503"
#define DRIVER_MAJOR 1
#define DRIVER_MINOR 0
#define DRIVER_PATCHLEVEL 0
#define DRIVER_AUTHOR "SIS"
#define DRIVER_NAME "sis"
#define DRIVER_DESC "SIS 300/630/540"
#define DRIVER_DATE "20030826"
#define DRIVER_MAJOR 1
#define DRIVER_MINOR 1
#define DRIVER_PATCHLEVEL 0
#define DRIVER_IOCTLS \
[DRM_IOCTL_NR(SIS_IOCTL_FB_ALLOC)] = { sis_fb_alloc, 1, 0 }, \
[DRM_IOCTL_NR(SIS_IOCTL_FB_FREE)] = { sis_fb_free, 1, 0 }, \
/* AGP Memory Management */ \
[DRM_IOCTL_NR(SIS_IOCTL_AGP_INIT)] = { sisp_agp_init, 1, 0 }, \
[DRM_IOCTL_NR(SIS_IOCTL_AGP_ALLOC)] = { sisp_agp_alloc, 1, 0 }, \
[DRM_IOCTL_NR(SIS_IOCTL_AGP_FREE)] = { sisp_agp_free, 1, 0 }
#if 0 /* these don't appear to be defined */
/* SIS Stereo */
[DRM_IOCTL_NR(DRM_IOCTL_CONTROL)] = { sis_control, 1, 1 },
[DRM_IOCTL_NR(SIS_IOCTL_FLIP)] = { sis_flip, 1, 1 },
[DRM_IOCTL_NR(SIS_IOCTL_FLIP_INIT)] = { sis_flip_init, 1, 1 },
[DRM_IOCTL_NR(SIS_IOCTL_FLIP_FINAL)] = { sis_flip_final, 1, 1 }
#endif
[DRM_IOCTL_NR(DRM_IOCTL_SIS_FB_ALLOC)] = { sis_fb_alloc, 1, 0 }, \
[DRM_IOCTL_NR(DRM_IOCTL_SIS_FB_FREE)] = { sis_fb_free, 1, 0 }, \
[DRM_IOCTL_NR(DRM_IOCTL_SIS_AGP_INIT)] = { sis_ioctl_agp_init, 1, 1 }, \
[DRM_IOCTL_NR(DRM_IOCTL_SIS_AGP_ALLOC)] = { sis_ioctl_agp_alloc, 1, 0 }, \
[DRM_IOCTL_NR(DRM_IOCTL_SIS_AGP_FREE)] = { sis_ioctl_agp_free, 1, 0 }, \
[DRM_IOCTL_NR(DRM_IOCTL_SIS_FB_INIT)] = { sis_fb_init, 1, 1 }
#define __HAVE_COUNTERS 5
......
drivers/char/drm/sis_drm.h
View file @ da501825
#ifndef _sis_drm_public_h_
#define _sis_drm_public_h_
#ifndef __SIS_DRM_H__
#define __SIS_DRM_H__
/* SiS specific ioctls */
#define SIS_IOCTL_FB_ALLOC DRM_IOWR(0x44, drm_sis_mem_t)
#define SIS_IOCTL_FB_FREE DRM_IOW( 0x45, drm_sis_mem_t)
#define SIS_IOCTL_AGP_INIT DRM_IOWR(0x53, drm_sis_agp_t)
#define SIS_IOCTL_AGP_ALLOC DRM_IOWR(0x54, drm_sis_mem_t)
#define SIS_IOCTL_AGP_FREE DRM_IOW( 0x55, drm_sis_mem_t)
#define SIS_IOCTL_FLIP DRM_IOW( 0x48, drm_sis_flip_t)
#define SIS_IOCTL_FLIP_INIT DRM_IO( 0x49)
#define SIS_IOCTL_FLIP_FINAL DRM_IO( 0x50)
#define DRM_IOCTL_SIS_FB_ALLOC DRM_IOWR(0x44, drm_sis_mem_t)
#define DRM_IOCTL_SIS_FB_FREE DRM_IOW( 0x45, drm_sis_mem_t)
#define DRM_IOCTL_SIS_AGP_INIT DRM_IOWR(0x53, drm_sis_agp_t)
#define DRM_IOCTL_SIS_AGP_ALLOC DRM_IOWR(0x54, drm_sis_mem_t)
#define DRM_IOCTL_SIS_AGP_FREE DRM_IOW( 0x55, drm_sis_mem_t)
#define DRM_IOCTL_SIS_FB_INIT DRM_IOW( 0x56, drm_sis_fb_t)
/*
#define DRM_IOCTL_SIS_FLIP DRM_IOW( 0x48, drm_sis_flip_t)
#define DRM_IOCTL_SIS_FLIP_INIT DRM_IO( 0x49)
#define DRM_IOCTL_SIS_FLIP_FINAL DRM_IO( 0x50)
*/
typedef struct {
int context;
unsigned int offset;
unsigned int size;
unsigned int free;
int context;
unsigned int offset;
unsigned int size;
unsigned long free;
} drm_sis_mem_t;
typedef struct {
unsigned int offset, size;
unsigned int offset, size;
} drm_sis_agp_t;
typedef struct {
unsigned int left, right;
} drm_sis_flip_t;
unsigned int offset, size;
} drm_sis_fb_t;
#ifdef __KERNEL__
int sis_fb_alloc(struct inode *inode, struct file *filp, unsigned int cmd,
unsigned long arg);
int sis_fb_free(struct inode *inode, struct file *filp, unsigned int cmd,
unsigned long arg);
int sisp_agp_init(struct inode *inode, struct file *filp, unsigned int cmd,
unsigned long arg);
int sisp_agp_alloc(struct inode *inode, struct file *filp, unsigned int cmd,
unsigned long arg);
int sisp_agp_free(struct inode *inode, struct file *filp, unsigned int cmd,
unsigned long arg);
#endif
#endif
#endif /* __SIS_DRM_H__ */
drivers/char/drm/sis_drv.h
View file @ da501825
......@@ -28,18 +28,20 @@
#ifndef _SIS_DRV_H_
#define _SIS_DRV_H_
#include "sis_ds.h"
typedef struct drm_sis_private {
drm_map_t *buffers;
} drm_sis_private_t;
/* Stereo ? - this was never committed */
memHeap_t *AGPHeap;
memHeap_t *FBHeap;
} drm_sis_private_t;
int sis_flip(struct inode *inode, struct file *filp, unsigned int cmd,
unsigned long arg);
int sis_flip_init(struct inode *inode, struct file *filp, unsigned int cmd,
unsigned long arg);
int sis_flip_final(struct inode *inode, struct file *filp, unsigned int cmd,
unsigned long arg);
void flip_final(void);
extern int sis_fb_alloc( DRM_IOCTL_ARGS );
extern int sis_fb_free( DRM_IOCTL_ARGS );
extern int sis_ioctl_agp_init( DRM_IOCTL_ARGS );
extern int sis_ioctl_agp_alloc( DRM_IOCTL_ARGS );
extern int sis_ioctl_agp_free( DRM_IOCTL_ARGS );
extern int sis_fb_init( DRM_IOCTL_ARGS );
#endif
drivers/char/drm/sis_ds.c
View file @ da501825
This diff is collapsed.
drivers/char/drm/sis_ds.h
View file @ da501825
......@@ -28,27 +28,25 @@
*
*/
#ifndef _sis_ds_h_
#define _sis_ds_h_
#ifndef __SIS_DS_H__
#define __SIS_DS_H__
/* Set Data Structure */
#define SET_SIZE 5000
#define MALLOC(s) kmalloc(s, GFP_KERNEL)
#define FREE(s) kfree(s)
typedef unsigned int ITEM_TYPE;
typedef struct {
ITEM_TYPE val;
int alloc_next, free_next;
ITEM_TYPE val;
int alloc_next, free_next;
} list_item_t;
typedef struct {
int alloc;
int free;
int trace;
list_item_t list[SET_SIZE];
int alloc;
int free;
int trace;
list_item_t list[SET_SIZE];
} set_t;
set_t *setInit(void);
......@@ -58,8 +56,6 @@ int setFirst(set_t *set, ITEM_TYPE *item);
int setNext(set_t *set, ITEM_TYPE *item);
int setDestroy(set_t *set);
#endif
/*
* GLX Hardware Device Driver common code
* Copyright (C) 1999 Keith Whitwell
......@@ -84,16 +80,13 @@ int setDestroy(set_t *set);
*
*/
#ifndef MM_INC
#define MM_INC
struct mem_block_t {
struct mem_block_t *next;
struct mem_block_t *heap;
int ofs,size;
int align;
int free:1;
int reserved:1;
struct mem_block_t *next;
struct mem_block_t *heap;
int ofs,size;
int align;
int free:1;
int reserved:1;
};
typedef struct mem_block_t TMemBlock;
typedef struct mem_block_t *PMemBlock;
......@@ -102,13 +95,19 @@ typedef struct mem_block_t *PMemBlock;
typedef struct mem_block_t memHeap_t;
static __inline__ int mmBlockSize(PMemBlock b)
{ return b->size; }
{
return b->size;
}
static __inline__ int mmOffset(PMemBlock b)
{ return b->ofs; }
{
return b->ofs;
}
static __inline__ void mmMarkReserved(PMemBlock b)
{ b->reserved = 1; }
{
b->reserved = 1;
}
/*
* input: total size in bytes
......@@ -116,13 +115,10 @@ static __inline__ void mmMarkReserved(PMemBlock b)
*/
memHeap_t *mmInit( int ofs, int size );
memHeap_t *mmAddRange( memHeap_t *heap,
int ofs,
int size );
/*
* Allocate 'size' bytes with 2^align2 bytes alignment,
* restrict the search to free memory after 'startSearch'
......@@ -133,14 +129,19 @@ memHeap_t *mmAddRange( memHeap_t *heap,
* startSearch = linear offset from start of heap to begin search
* return: pointer to the allocated block, 0 if error
*/
PMemBlock mmAllocMem( memHeap_t *heap, int size, int align2, int startSearch );
PMemBlock mmAllocMem( memHeap_t *heap, int size, int align2, int startSearch );
/*
* Returns 1 if the block 'b' is part of the heap 'heap'
*/
int mmBlockInHeap( PMemBlock heap, PMemBlock b );
/*
* Free block starts at offset
* input: pointer to a block
* return: 0 if OK, -1 if error
*/
int mmFreeMem( PMemBlock b );
int mmFreeMem( PMemBlock b );
/*
* Reserve 'size' bytes block start at offset
......@@ -160,4 +161,4 @@ void mmDestroy( memHeap_t *mmInit );
/* For debuging purpose. */
void mmDumpMemInfo( memHeap_t *mmInit );
#endif
#endif /* __SIS_DS_H__ */
drivers/char/drm/sis_mm.c
View file @ da501825
This diff is collapsed.
include/asm-alpha/mman.h
View file @ da501825
......@@ -6,6 +6,8 @@
#define PROT_EXEC 0x4 /* page can be executed */
#define PROT_SEM 0x8 /* page may be used for atomic ops */
#define PROT_NONE 0x0 /* page can not be accessed */
#define PROT_GROWSDOWN 0x01000000 /* mprotect flag: extend change to start of growsdown vma */
#define PROT_GROWSUP 0x02000000 /* mprotect flag: extend change to end of growsup vma */
#define MAP_SHARED 0x01 /* Share changes */
#define MAP_PRIVATE 0x02 /* Changes are private */
......
include/asm-arm/mman.h
View file @ da501825
......@@ -6,6 +6,8 @@
#define PROT_EXEC 0x4 /* page can be executed */
#define PROT_SEM 0x8 /* page may be used for atomic ops */
#define PROT_NONE 0x0 /* page can not be accessed */
#define PROT_GROWSDOWN 0x01000000 /* mprotect flag: extend change to start of growsdown vma */
#define PROT_GROWSUP 0x02000000 /* mprotect flag: extend change to end of growsup vma */
#define MAP_SHARED 0x01 /* Share changes */
#define MAP_PRIVATE 0x02 /* Changes are private */
......
include/asm-arm26/mman.h
View file @ da501825
......@@ -6,6 +6,8 @@
#define PROT_EXEC 0x4 /* page can be executed */
#define PROT_SEM 0x8 /* page may be used for atomic ops */
#define PROT_NONE 0x0 /* page can not be accessed */
#define PROT_GROWSDOWN 0x01000000 /* mprotect flag: extend change to start of growsdown vma */
#define PROT_GROWSUP 0x02000000 /* mprotect flag: extend change to end of growsup vma */
#define MAP_SHARED 0x01 /* Share changes */
#define MAP_PRIVATE 0x02 /* Changes are private */
......
include/asm-cris/mman.h
View file @ da501825
......@@ -8,6 +8,8 @@
#define PROT_EXEC 0x4 /* page can be executed */
#define PROT_SEM 0x8 /* page may be used for atomic ops */
#define PROT_NONE 0x0 /* page can not be accessed */
#define PROT_GROWSDOWN 0x01000000 /* mprotect flag: extend change to start of growsdown vma */
#define PROT_GROWSUP 0x02000000 /* mprotect flag: extend change to end of growsup vma */
#define MAP_SHARED 0x01 /* Share changes */
#define MAP_PRIVATE 0x02 /* Changes are private */
......
include/asm-h8300/mman.h
View file @ da501825
......@@ -5,6 +5,8 @@
#define PROT_WRITE 0x2 /* page can be written */
#define PROT_EXEC 0x4 /* page can be executed */
#define PROT_NONE 0x0 /* page can not be accessed */
#define PROT_GROWSDOWN 0x01000000 /* mprotect flag: extend change to start of growsdown vma */
#define PROT_GROWSUP 0x02000000 /* mprotect flag: extend change to end of growsup vma */
#define MAP_SHARED 0x01 /* Share changes */
#define MAP_PRIVATE 0x02 /* Changes are private */
......
include/asm-i386/mman.h
View file @ da501825
......@@ -6,6 +6,10 @@
#define PROT_EXEC 0x4 /* page can be executed */
#define PROT_SEM 0x8 /* page may be used for atomic ops */
#define PROT_NONE 0x0 /* page can not be accessed */
#define PROT_GROWSDOWN 0x01000000 /* mprotect flag: extend change to start of growsdown vma */
#define PROT_GROWSUP 0x02000000 /* mprotect flag: extend change to end of growsup vma */
#define PROT_GROWSDOWN 0x01000000 /* mprotect flag: extend change to start of growsdown vma */
#define PROT_GROWSUP 0x02000000 /* mprotect flag: extend change to end of growsup vma */
#define MAP_SHARED 0x01 /* Share changes */
#define MAP_PRIVATE 0x02 /* Changes are private */
......
include/asm-ia64/mman.h
View file @ da501825
......@@ -11,6 +11,8 @@
#define PROT_EXEC 0x4 /* page can be executed */
#define PROT_SEM 0x8 /* page may be used for atomic ops */
#define PROT_NONE 0x0 /* page can not be accessed */
#define PROT_GROWSDOWN 0x01000000 /* mprotect flag: extend change to start of growsdown vma */
#define PROT_GROWSUP 0x02000000 /* mprotect flag: extend change to end of growsup vma */
#define MAP_SHARED 0x01 /* Share changes */
#define MAP_PRIVATE 0x02 /* Changes are private */
......
include/asm-m68k/mman.h
View file @ da501825
......@@ -6,6 +6,8 @@
#define PROT_EXEC 0x4 /* page can be executed */
#define PROT_SEM 0x8 /* page may be used for atomic ops */
#define PROT_NONE 0x0 /* page can not be accessed */
#define PROT_GROWSDOWN 0x01000000 /* mprotect flag: extend change to start of growsdown vma */
#define PROT_GROWSUP 0x02000000 /* mprotect flag: extend change to end of growsup vma */
#define MAP_SHARED 0x01 /* Share changes */
#define MAP_PRIVATE 0x02 /* Changes are private */
......
include/asm-mips/mman.h
View file @ da501825
......@@ -20,6 +20,8 @@
#define PROT_EXEC 0x04 /* page can be executed */
/* 0x08 reserved for PROT_EXEC_NOFLUSH */
#define PROT_SEM 0x10 /* page may be used for atomic ops */
#define PROT_GROWSDOWN 0x01000000 /* mprotect flag: extend change to start of growsdown vma */
#define PROT_GROWSUP 0x02000000 /* mprotect flag: extend change to end of growsup vma */
/*
* Flags for mmap
......
include/asm-parisc/mman.h
View file @ da501825
......@@ -6,6 +6,8 @@
#define PROT_EXEC 0x4 /* page can be executed */
#define PROT_SEM 0x8 /* page may be used for atomic ops */
#define PROT_NONE 0x0 /* page can not be accessed */
#define PROT_GROWSDOWN 0x01000000 /* mprotect flag: extend change to start of growsdown vma */
#define PROT_GROWSUP 0x02000000 /* mprotect flag: extend change to end of growsup vma */
#define MAP_SHARED 0x01 /* Share changes */
#define MAP_PRIVATE 0x02 /* Changes are private */
......
include/asm-ppc/mman.h
View file @ da501825
......@@ -6,6 +6,8 @@
#define PROT_EXEC 0x4 /* page can be executed */
#define PROT_SEM 0x8 /* page may be used for atomic ops */
#define PROT_NONE 0x0 /* page can not be accessed */
#define PROT_GROWSDOWN 0x01000000 /* mprotect flag: extend change to start of growsdown vma */
#define PROT_GROWSUP 0x02000000 /* mprotect flag: extend change to end of growsup vma */
#define MAP_SHARED 0x01 /* Share changes */
#define MAP_PRIVATE 0x02 /* Changes are private */
......
include/asm-ppc64/mman.h
View file @ da501825
......@@ -13,6 +13,8 @@
#define PROT_EXEC 0x4 /* page can be executed */
#define PROT_SEM 0x8 /* page may be used for atomic ops */
#define PROT_NONE 0x0 /* page can not be accessed */
#define PROT_GROWSDOWN 0x01000000 /* mprotect flag: extend change to start of growsdown vma */
#define PROT_GROWSUP 0x02000000 /* mprotect flag: extend change to end of growsup vma */
#define MAP_SHARED 0x01 /* Share changes */
#define MAP_PRIVATE 0x02 /* Changes are private */
......
include/asm-s390/mman.h
View file @ da501825
......@@ -14,6 +14,8 @@
#define PROT_EXEC 0x4 /* page can be executed */
#define PROT_SEM 0x8 /* page may be used for atomic ops */
#define PROT_NONE 0x0 /* page can not be accessed */
#define PROT_GROWSDOWN 0x01000000 /* mprotect flag: extend change to start of growsdown vma */
#define PROT_GROWSUP 0x02000000 /* mprotect flag: extend change to end of growsup vma */
#define MAP_SHARED 0x01 /* Share changes */
#define MAP_PRIVATE 0x02 /* Changes are private */
......
include/asm-sh/mman.h
View file @ da501825
......@@ -6,6 +6,8 @@
#define PROT_EXEC 0x4 /* page can be executed */
#define PROT_SEM 0x8 /* page may be used for atomic ops */
#define PROT_NONE 0x0 /* page can not be accessed */
#define PROT_GROWSDOWN 0x01000000 /* mprotect flag: extend change to start of growsdown vma */
#define PROT_GROWSUP 0x02000000 /* mprotect flag: extend change to end of growsup vma */
#define MAP_SHARED 0x01 /* Share changes */
#define MAP_PRIVATE 0x02 /* Changes are private */
......
include/asm-sparc/mman.h
View file @ da501825
......@@ -9,6 +9,8 @@
#define PROT_EXEC 0x4 /* page can be executed */
#define PROT_SEM 0x8 /* page may be used for atomic ops */
#define PROT_NONE 0x0 /* page can not be accessed */
#define PROT_GROWSDOWN 0x01000000 /* mprotect flag: extend change to start of growsdown vma */
#define PROT_GROWSUP 0x02000000 /* mprotect flag: extend change to end of growsup vma */
#define MAP_SHARED 0x01 /* Share changes */
#define MAP_PRIVATE 0x02 /* Changes are private */
......
include/asm-sparc64/mman.h
View file @ da501825
......@@ -9,6 +9,8 @@
#define PROT_EXEC 0x4 /* page can be executed */
#define PROT_SEM 0x8 /* page may be used for atomic ops */
#define PROT_NONE 0x0 /* page can not be accessed */
#define PROT_GROWSDOWN 0x01000000 /* mprotect flag: extend change to start of growsdown vma */
#define PROT_GROWSUP 0x02000000 /* mprotect flag: extend change to end of growsup vma */
#define MAP_SHARED 0x01 /* Share changes */
#define MAP_PRIVATE 0x02 /* Changes are private */
......
include/asm-v850/mman.h
View file @ da501825
......@@ -5,6 +5,8 @@
#define PROT_WRITE 0x2 /* page can be written */
#define PROT_EXEC 0x4 /* page can be executed */
#define PROT_NONE 0x0 /* page can not be accessed */
#define PROT_GROWSDOWN 0x01000000 /* mprotect flag: extend change to start of growsdown vma */
#define PROT_GROWSUP 0x02000000 /* mprotect flag: extend change to end of growsup vma */
#define MAP_SHARED 0x01 /* Share changes */
#define MAP_PRIVATE 0x02 /* Changes are private */
......
include/asm-x86_64/mman.h
View file @ da501825
......@@ -6,6 +6,8 @@
#define PROT_EXEC 0x4 /* page can be executed */
#define PROT_NONE 0x0 /* page can not be accessed */
#define PROT_SEM 0x8
#define PROT_GROWSDOWN 0x01000000 /* mprotect flag: extend change to start of growsdown vma */
#define PROT_GROWSUP 0x02000000 /* mprotect flag: extend change to end of growsup vma */
#define MAP_SHARED 0x01 /* Share changes */
#define MAP_PRIVATE 0x02 /* Changes are private */
......
mm/mprotect.c
View file @ da501825
......@@ -227,6 +227,10 @@ sys_mprotect(unsigned long start, size_t len, unsigned long prot)
unsigned long vm_flags, nstart, end, tmp;
struct vm_area_struct * vma, * next, * prev;
int error = -EINVAL;
const int grows = prot & (PROT_GROWSDOWN|PROT_GROWSUP);
prot &= ~(PROT_GROWSDOWN|PROT_GROWSUP);
if (grows == (PROT_GROWSDOWN|PROT_GROWSUP)) /* can't be both */
return -EINVAL;
if (start & ~PAGE_MASK)
return -EINVAL;
......@@ -245,8 +249,26 @@ sys_mprotect(unsigned long start, size_t len, unsigned long prot)
vma = find_vma_prev(current->mm, start, &prev);
error = -ENOMEM;
if (!vma || vma->vm_start > start)
if (!vma)
goto out;
if (unlikely(grows & PROT_GROWSDOWN)) {
if (vma->vm_start >= end)
goto out;
start = vma->vm_start;
error = -EINVAL;
if (!(vma->vm_flags & VM_GROWSDOWN))
goto out;
}
else {
if (vma->vm_start > start)
goto out;
if (unlikely(grows & PROT_GROWSUP)) {
end = vma->vm_end;
error = -EINVAL;
if (!(vma->vm_flags & VM_GROWSUP))
goto out;
}
}
for (nstart = start ; ; ) {
unsigned int newflags;
......
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