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Commit 43d8a5b8 authored by David Airlie's avatar David Airlie
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Merge bkbits.net:/repos/l/linux/linux-2.5 

into bkbits.net:/repos/d/drm/drm-2.6
parents f2ddba8c 7bb2e369
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Showing with 379 additions and 338 deletions
drivers/char/drm/drmP.h
View file @ 43d8a5b8
......@@ -34,6 +34,8 @@
#ifndef _DRM_P_H_
#define _DRM_P_H_
/* If you want the memory alloc debug functionality, change define below */
/* #define DEBUG_MEMORY */
#ifdef __KERNEL__
#ifdef __alpha__
......@@ -55,6 +57,7 @@
#include <linux/jiffies.h>
#include <linux/smp_lock.h> /* For (un)lock_kernel */
#include <linux/mm.h>
#include <linux/cdev.h>
#if defined(__alpha__) || defined(__powerpc__)
#include <asm/pgtable.h> /* For pte_wrprotect */
#endif
......@@ -693,12 +696,31 @@ typedef struct drm_device {
drm_sigdata_t sigdata; /**< For block_all_signals */
sigset_t sigmask;
struct file_operations *fops; /**< file operations */
struct proc_dir_entry *dev_root; /**< proc directory entry */
struct drm_driver_fn fn_tbl;
drm_local_map_t *agp_buffer_map;
int dev_priv_size;
u32 driver_features;
} drm_device_t;
typedef struct drm_minor {
enum {
DRM_MINOR_FREE = 0,
DRM_MINOR_PRIMARY,
} type;
drm_device_t *dev;
struct proc_dir_entry *dev_root; /**< proc directory entry */
} drm_minor_t;
typedef struct drm_global {
unsigned int cards_limit;
drm_minor_t *minors;
struct class_simple *drm_class;
struct proc_dir_entry *proc_root;
} drm_global_t;
static __inline__ int drm_core_check_feature(struct drm_device *dev, int feature)
{
return ((dev->driver_features & feature) ? 1 : 0);
......@@ -765,11 +787,9 @@ extern ssize_t DRM(read)(struct file *filp, char __user *buf, size_t count
extern void DRM(mem_init)(void);
extern int DRM(mem_info)(char *buf, char **start, off_t offset,
int request, int *eof, void *data);
extern void *DRM(alloc)(size_t size, int area);
extern void *DRM(calloc)(size_t nmemb, size_t size, int area);
extern void *DRM(realloc)(void *oldpt, size_t oldsize, size_t size,
int area);
extern void DRM(free)(void *pt, size_t size, int area);
extern unsigned long DRM(alloc_pages)(int order, int area);
extern void DRM(free_pages)(unsigned long address, int order,
int area);
......@@ -921,13 +941,12 @@ extern int DRM(agp_bind_memory)(DRM_AGP_MEM *handle, off_t start);
extern int DRM(agp_unbind_memory)(DRM_AGP_MEM *handle);
/* Stub support (drm_stub.h) */
int DRM(stub_register)(const char *name,
struct file_operations *fops,
drm_device_t *dev);
int DRM(stub_unregister)(int minor);
extern int DRM(probe)(struct pci_dev *pdev, const struct pci_device_id *ent);
extern int DRM(put_minor)(drm_device_t *dev);
extern drm_global_t *DRM(global);
/* Proc support (drm_proc.h) */
extern struct proc_dir_entry *DRM(proc_init)(drm_device_t *dev,
extern int DRM(proc_init)(drm_device_t *dev,
int minor,
struct proc_dir_entry *root,
struct proc_dir_entry **dev_root);
......@@ -984,6 +1003,24 @@ static __inline__ struct drm_map *drm_core_findmap(struct drm_device *dev, unsig
static __inline__ void drm_core_dropmap(struct drm_map *map)
{
}
#ifndef DEBUG_MEMORY
/** Wrapper around kmalloc() */
static __inline__ void *DRM(alloc)(size_t size, int area)
{
return kmalloc(size, GFP_KERNEL);
}
/** Wrapper around kfree() */
static __inline__ void DRM(free)(void *pt, size_t size, int area)
{
kfree(pt);
}
#else
extern void *DRM(alloc)(size_t size, int area);
extern void DRM(free)(void *pt, size_t size, int area);
#endif
/*@}*/
extern unsigned long DRM(core_get_map_ofs)(drm_map_t *map);
......
drivers/char/drm/drm_drv.h
View file @ 43d8a5b8
......@@ -74,10 +74,6 @@ __setup( DRIVER_NAME "=", DRM_OPTIONS_FUNC );
#undef DRM_OPTIONS_FUNC
#endif
#define MAX_DEVICES 4
static drm_device_t DRM(device)[MAX_DEVICES];
static int DRM(numdevs) = 0;
struct file_operations DRM(fops) = {
.owner = THIS_MODULE,
.open = DRM(open),
......@@ -158,15 +154,6 @@ drm_ioctl_desc_t DRM(ioctls)[] = {
#define DRIVER_IOCTL_COUNT DRM_ARRAY_SIZE( DRM(ioctls) )
#ifdef MODULE
static char *drm_opts = NULL;
#endif
MODULE_AUTHOR( DRIVER_AUTHOR );
MODULE_DESCRIPTION( DRIVER_DESC );
MODULE_PARM( drm_opts, "s" );
MODULE_LICENSE("GPL and additional rights");
static int DRM(setup)( drm_device_t *dev )
{
int i;
......@@ -420,44 +407,19 @@ static struct pci_device_id DRM(pciidlist)[] = {
DRM(PCI_IDS)
};
static int DRM(probe)(struct pci_dev *pdev)
int DRM(fill_in_dev)(drm_device_t *dev, struct pci_dev *pdev, const struct pci_device_id *ent)
{
drm_device_t *dev;
int retcode;
int i;
int is_compat = 0;
DRM_DEBUG( "\n" );
for (i = 0; DRM(pciidlist)[i].vendor != 0; i++) {
if ((DRM(pciidlist)[i].vendor == pdev->vendor) &&
(DRM(pciidlist)[i].device == pdev->device)) {
is_compat = 1;
}
}
if (is_compat == 0)
return -ENODEV;
if (DRM(numdevs) >= MAX_DEVICES)
return -ENODEV;
if ((retcode=pci_enable_device(pdev)))
return retcode;
dev = &(DRM(device)[DRM(numdevs)]);
memset( (void *)dev, 0, sizeof(*dev) );
dev->count_lock = SPIN_LOCK_UNLOCKED;
init_timer( &dev->timer );
sema_init( &dev->struct_sem, 1 );
sema_init( &dev->ctxlist_sem, 1 );
if ((dev->minor = DRM(stub_register)(DRIVER_NAME, &DRM(fops),dev)) < 0)
return -EPERM;
dev->device = MKDEV(DRM_MAJOR, dev->minor );
dev->name = DRIVER_NAME;
dev->fops = &DRM(fops);
dev->pdev = pdev;
#ifdef __alpha__
dev->hose = pdev->sysdata;
dev->pci_domain = dev->hose->bus->number;
......@@ -486,16 +448,15 @@ static int DRM(probe)(struct pci_dev *pdev)
DRM(driver_register_fns)(dev);
if (dev->fn_tbl.preinit)
dev->fn_tbl.preinit(dev);
if ((retcode = dev->fn_tbl.preinit(dev)))
goto error_out_unreg;
if (drm_core_has_AGP(dev))
{
if (drm_core_has_AGP(dev)) {
dev->agp = DRM(agp_init)();
if (drm_core_check_feature(dev, DRIVER_REQUIRE_AGP) && (dev->agp == NULL)) {
DRM_ERROR( "Cannot initialize the agpgart module.\n" );
DRM(stub_unregister)(dev->minor);
DRM(takedown)( dev );
return -EINVAL;
retcode = -EINVAL;
goto error_out_unreg;
}
if (drm_core_has_MTRR(dev)) {
if (dev->agp)
......@@ -509,13 +470,11 @@ static int DRM(probe)(struct pci_dev *pdev)
retcode = DRM(ctxbitmap_init)( dev );
if( retcode ) {
DRM_ERROR( "Cannot allocate memory for context bitmap.\n" );
DRM(stub_unregister)(dev->minor);
DRM(takedown)( dev );
return retcode;
goto error_out_unreg;
}
DRM(numdevs)++; /* no errors, mark it reserved */
dev->device = MKDEV(DRM_MAJOR, dev->minor );
DRM_INFO( "Initialized %s %d.%d.%d %s on minor %d: %s\n",
DRIVER_NAME,
DRIVER_MAJOR,
......@@ -526,11 +485,21 @@ static int DRM(probe)(struct pci_dev *pdev)
pci_pretty_name(pdev));
if (dev->fn_tbl.postinit)
dev->fn_tbl.postinit(dev);
if ((retcode = dev->fn_tbl.postinit(dev)))
goto error_out_unreg;
return 0;
error_out_unreg:
DRM(takedown)(dev);
return retcode;
}
#ifdef MODULE
static char *drm_opts = NULL;
#endif
MODULE_PARM( drm_opts, "s" );
/**
* Module initialization. Called via init_module at module load time, or via
* linux/init/main.c (this is not currently supported).
......@@ -547,6 +516,8 @@ static int DRM(probe)(struct pci_dev *pdev)
static int __init drm_init( void )
{
struct pci_dev *pdev = NULL;
struct pci_device_id *pid;
int i;
DRM_DEBUG( "\n" );
......@@ -556,8 +527,16 @@ static int __init drm_init( void )
DRM(mem_init)();
while ((pdev = pci_find_device(PCI_ANY_ID, PCI_ANY_ID, pdev)) != NULL) {
DRM(probe)(pdev);
for (i=0; DRM(pciidlist)[i].vendor != 0; i++) {
pid = &DRM(pciidlist[i]);
pdev=NULL;
/* pass back in pdev to account for multiple identical cards */
while ((pdev = pci_get_subsys(pid->vendor, pid->device, pid->subvendor, pid->subdevice, pdev)) != NULL) {
/* stealth mode requires a manual probe */
pci_dev_get(pdev);
DRM(probe)(pdev, pid);
}
}
return 0;
}
......@@ -569,52 +548,68 @@ static int __init drm_init( void )
*
* \sa drm_init().
*/
static void __exit drm_cleanup( void )
static void __exit drm_cleanup( drm_device_t *dev )
{
drm_device_t *dev;
int i;
DRM_DEBUG( "\n" );
for (i = DRM(numdevs) - 1; i >= 0; i--) {
dev = &(DRM(device)[i]);
if ( DRM(stub_unregister)(dev->minor) ) {
DRM_ERROR( "Cannot unload module\n" );
} else {
DRM_DEBUG("minor %d unregistered\n", dev->minor);
if (i == 0) {
DRM_INFO( "Module unloaded\n" );
}
}
if (!dev) {
DRM_ERROR("cleanup called no dev\n");
return;
}
DRM(ctxbitmap_cleanup)( dev );
DRM(takedown)( dev );
if (drm_core_has_MTRR(dev) && drm_core_has_AGP(dev) &&
dev->agp && dev->agp->agp_mtrr >= 0) {
int retval;
retval = mtrr_del( dev->agp->agp_mtrr,
DRM(ctxbitmap_cleanup)( dev );
if (drm_core_has_MTRR(dev) && drm_core_has_AGP(dev) &&
dev->agp && dev->agp->agp_mtrr >= 0) {
int retval;
retval = mtrr_del( dev->agp->agp_mtrr,
dev->agp->agp_info.aper_base,
dev->agp->agp_info.aper_size*1024*1024 );
DRM_DEBUG( "mtrr_del=%d\n", retval );
}
DRM_DEBUG( "mtrr_del=%d\n", retval );
}
if (drm_core_has_AGP(dev) && dev->agp ) {
DRM(agp_uninit)();
DRM(free)( dev->agp, sizeof(*dev->agp), DRM_MEM_AGPLISTS );
dev->agp = NULL;
}
DRM(takedown)( dev );
if (dev->fn_tbl.postcleanup)
dev->fn_tbl.postcleanup(dev);
if ( DRM(put_minor)(dev) )
DRM_ERROR( "Cannot unload module\n" );
}
if (drm_core_has_AGP(dev) && dev->agp ) {
DRM(agp_uninit)();
DRM(free)( dev->agp, sizeof(*dev->agp), DRM_MEM_AGPLISTS );
dev->agp = NULL;
}
if (dev->fn_tbl.postcleanup)
dev->fn_tbl.postcleanup(dev);
static void __exit drm_exit (void)
{
int i;
drm_device_t *dev;
drm_minor_t *minor;
DRM_DEBUG( "\n" );
if (DRM(global)) {
for (i = 0; DRM(global) && (i < DRM(global)->cards_limit); i++) {
minor = &DRM(global)->minors[i];
dev = minor->dev;
}
DRM(numdevs) = 0;
if ((minor->type == DRM_MINOR_PRIMARY) && (dev->fops == &DRM(fops))) {
/* release the pci driver */
if (dev->pdev)
pci_dev_put(dev->pdev);
drm_cleanup(dev);
}
}
}
DRM_INFO( "Module unloaded\n" );
}
module_init( drm_init );
module_exit( drm_cleanup );
module_exit( drm_exit );
/**
......@@ -674,19 +669,16 @@ int DRM(version)( struct inode *inode, struct file *filp,
int DRM(open)( struct inode *inode, struct file *filp )
{
drm_device_t *dev = NULL;
int minor = iminor(inode);
int retcode = 0;
int i;
for (i = 0; i < DRM(numdevs); i++) {
if (iminor(inode) == DRM(device)[i].minor) {
dev = &(DRM(device)[i]);
break;
}
}
if (!dev) {
if (!((minor >= 0) && (minor < DRM(global)->cards_limit)))
return -ENODEV;
}
dev = DRM(global)->minors[minor].dev;
if (!dev)
return -ENODEV;
retcode = DRM(open_helper)( inode, filp, dev );
if ( !retcode ) {
atomic_inc( &dev->counts[_DRM_STAT_OPENS] );
......
drivers/char/drm/drm_irq.h
View file @ 43d8a5b8
......@@ -300,7 +300,7 @@ int DRM(wait_vblank)( DRM_IOCTL_ARGS )
spin_unlock_irqrestore( &dev->vbl_lock, irqflags );
if ( !( vbl_sig = DRM_MALLOC( sizeof( drm_vbl_sig_t ) ) ) ) {
if ( !( vbl_sig = DRM(alloc)( sizeof( drm_vbl_sig_t ), DRM_MEM_DRIVER ) ) ) {
return -ENOMEM;
}
......@@ -356,7 +356,7 @@ void DRM(vbl_send_signals)( drm_device_t *dev )
list_del( list );
DRM_FREE( vbl_sig, sizeof(*vbl_sig) );
DRM(free)( vbl_sig, sizeof(*vbl_sig), DRM_MEM_DRIVER );
dev->vbl_pending--;
}
......
drivers/char/drm/drm_memory.h
View file @ 43d8a5b8
......@@ -39,10 +39,8 @@
/**
* Cut down version of drm_memory_debug.h, which used to be called
* drm_memory.h. If you want the debug functionality, change 0 to 1
* below.
* drm_memory.h.
*/
#define DEBUG_MEMORY 0
#if __OS_HAS_AGP
......@@ -197,7 +195,7 @@ static inline void drm_ioremapfree(void *pt, unsigned long size, drm_device_t *d
}
#if DEBUG_MEMORY
#ifdef DEBUG_MEMORY
#include "drm_memory_debug.h"
#else
......@@ -226,13 +224,7 @@ int DRM(mem_info)(char *buf, char **start, off_t offset,
}
/** Wrapper around kmalloc() */
void *DRM(alloc)(size_t size, int area)
{
return kmalloc(size, GFP_KERNEL);
}
/** Wrapper around kmalloc() */
void *DRM(calloc)(size_t size, size_t nmemb, int area)
void *DRM(calloc)(size_t nmemb, size_t size, int area)
{
void *addr;
......@@ -256,12 +248,6 @@ void *DRM(realloc)(void *oldpt, size_t oldsize, size_t size, int area)
return pt;
}
/** Wrapper around kfree() */
void DRM(free)(void *pt, size_t size, int area)
{
kfree(pt);
}
/**
* Allocate pages.
*
......
drivers/char/drm/drm_memory_debug.h
View file @ 43d8a5b8
......@@ -167,7 +167,7 @@ void *DRM(alloc)(size_t size, int area)
return pt;
}
void *DRM(calloc)(size_t size, size_t nmemb, int area)
void *DRM(calloc)(size_t nmemb, size_t size, int area)
{
void *addr;
......
drivers/char/drm/drm_os_linux.h
View file @ 43d8a5b8
......@@ -100,11 +100,6 @@ static __inline__ int mtrr_del (int reg, unsigned long base,
__put_user(val, uaddr)
/** 'malloc' without the overhead of DRM(alloc)() */
#define DRM_MALLOC(x) kmalloc(x, GFP_KERNEL)
/** 'free' without the overhead of DRM(free)() */
#define DRM_FREE(x,size) kfree(x)
#define DRM_GET_PRIV_WITH_RETURN(_priv, _filp) _priv = _filp->private_data
/**
......
drivers/char/drm/drm_proc.h
View file @ 43d8a5b8
......@@ -86,25 +86,19 @@ struct drm_proc_list {
* "/proc/dri/%minor%/", and each entry in proc_list as
* "/proc/dri/%minor%/%name%".
*/
struct proc_dir_entry *DRM(proc_init)(drm_device_t *dev, int minor,
struct proc_dir_entry *root,
struct proc_dir_entry **dev_root)
int DRM(proc_init)(drm_device_t *dev, int minor,
struct proc_dir_entry *root,
struct proc_dir_entry **dev_root)
{
struct proc_dir_entry *ent;
int i, j;
char name[64];
if (!minor) root = create_proc_entry("dri", S_IFDIR, NULL);
if (!root) {
DRM_ERROR("Cannot create /proc/dri\n");
return NULL;
}
sprintf(name, "%d", minor);
*dev_root = create_proc_entry(name, S_IFDIR, root);
if (!*dev_root) {
DRM_ERROR("Cannot create /proc/dri/%s\n", name);
return NULL;
return -1;
}
for (i = 0; i < DRM_PROC_ENTRIES; i++) {
......@@ -117,14 +111,13 @@ struct proc_dir_entry *DRM(proc_init)(drm_device_t *dev, int minor,
remove_proc_entry(DRM(proc_list)[i].name,
*dev_root);
remove_proc_entry(name, root);
if (!minor) remove_proc_entry("dri", NULL);
return NULL;
return -1;
}
ent->read_proc = DRM(proc_list)[i].f;
ent->data = dev;
}
return root;
return 0;
}
......@@ -150,7 +143,6 @@ int DRM(proc_cleanup)(int minor, struct proc_dir_entry *root,
remove_proc_entry(DRM(proc_list)[i].name, dev_root);
sprintf(name, "%d", minor);
remove_proc_entry(name, root);
if (!minor) remove_proc_entry("dri", NULL);
return 0;
}
......
drivers/char/drm/drm_stub.h
View file @ 43d8a5b8
......@@ -33,25 +33,19 @@
#include "drmP.h"
#define DRM_STUB_MAXCARDS 16 /* Enough for one machine */
static unsigned int cards_limit = 16; /* Enough for one machine */
static unsigned int debug = 0; /* 1 to enable debug output */
static struct class_simple *drm_class;
MODULE_AUTHOR( DRIVER_AUTHOR );
MODULE_DESCRIPTION( DRIVER_DESC );
MODULE_LICENSE("GPL and additional rights");
MODULE_PARM_DESC(cards_limit, "Maximum number of graphics cards");
MODULE_PARM_DESC(debug, "Enable debug output");
/** Stub list. One for each minor. */
static struct drm_stub_list {
const char *name;
struct file_operations *fops; /**< file operations */
struct proc_dir_entry *dev_root; /**< proc directory entry */
} *DRM(stub_list);
module_param(cards_limit, int, 0444);
module_param(debug, int, 0666);
static struct proc_dir_entry *DRM(stub_root);
/** Stub information */
static struct drm_stub_info {
int (*info_register)(const char *name, struct file_operations *fops,
drm_device_t *dev);
int (*info_unregister)(int minor);
} DRM(stub_info);
drm_global_t *DRM(global);
/**
* File \c open operation.
......@@ -59,18 +53,27 @@ static struct drm_stub_info {
* \param inode device inode.
* \param filp file pointer.
*
* Puts the drm_stub_list::fops corresponding to the device minor number into
* Puts the dev->fops corresponding to the device minor number into
* \p filp, call the \c open method, and restore the file operations.
*/
static int DRM(stub_open)(struct inode *inode, struct file *filp)
static int stub_open(struct inode *inode, struct file *filp)
{
int minor = iminor(inode);
int err = -ENODEV;
drm_device_t *dev = NULL;
int minor = iminor(inode);
int err = -ENODEV;
struct file_operations *old_fops;
DRM_DEBUG("\n");
if (!((minor >= 0) && (minor < DRM(global)->cards_limit)))
return -ENODEV;
if (!DRM(stub_list) || !DRM(stub_list)[minor].fops) return -ENODEV;
old_fops = filp->f_op;
filp->f_op = fops_get(DRM(stub_list)[minor].fops);
dev = DRM(global)->minors[minor].dev;
if (!dev)
return -ENODEV;
old_fops = filp->f_op;
filp->f_op = fops_get(dev->fops);
if (filp->f_op->open && (err = filp->f_op->open(inode, filp))) {
fops_put(filp->f_op);
filp->f_op = fops_get(old_fops);
......@@ -83,48 +86,72 @@ static int DRM(stub_open)(struct inode *inode, struct file *filp)
/** File operations structure */
static struct file_operations DRM(stub_fops) = {
.owner = THIS_MODULE,
.open = DRM(stub_open)
.open = stub_open
};
/**
* Get a device minor number.
*
* \param name driver name.
* \param fops file operations.
* \param dev DRM device.
* \return minor number on success, or a negative number on failure.
* \param pdev PCI device structure
* \param ent entry from the PCI ID table with device type flags
* \return negative number on failure.
*
* Allocate and initialize ::stub_list if one doesn't exist already. Search an
* empty entry and initialize it to the given parameters, and create the proc
* init entry via proc_init().
* Search an empty entry and initialize it to the given parameters, and
* create the proc init entry via proc_init().
*/
static int DRM(stub_getminor)(const char *name, struct file_operations *fops,
drm_device_t *dev)
static int get_minor(struct pci_dev *pdev, const struct pci_device_id *ent)
{
int i;
struct class_device *dev_class;
drm_device_t *dev;
int ret;
int minor;
drm_minor_t *minors = &DRM(global)->minors[0];
if (!DRM(stub_list)) {
DRM(stub_list) = DRM(alloc)(sizeof(*DRM(stub_list))
* DRM_STUB_MAXCARDS, DRM_MEM_STUB);
if(!DRM(stub_list)) return -1;
for (i = 0; i < DRM_STUB_MAXCARDS; i++) {
DRM(stub_list)[i].name = NULL;
DRM(stub_list)[i].fops = NULL;
}
}
for (i = 0; i < DRM_STUB_MAXCARDS; i++) {
if (!DRM(stub_list)[i].fops) {
DRM(stub_list)[i].name = name;
DRM(stub_list)[i].fops = fops;
DRM(stub_root) = DRM(proc_init)(dev, i, DRM(stub_root),
&DRM(stub_list)[i]
.dev_root);
class_simple_device_add(drm_class, MKDEV(DRM_MAJOR, i), NULL, name);
return i;
DRM_DEBUG("\n");
for (minor=0; minor<DRM(global)->cards_limit; minor++, minors++) {
if (minors->type == DRM_MINOR_FREE) {
DRM_DEBUG("assigning minor %d\n", minor);
dev = DRM(calloc)(1, sizeof(*dev), DRM_MEM_STUB);
if (!dev)
return -ENOMEM;
*minors = (drm_minor_t){.dev = dev, .type=DRM_MINOR_PRIMARY};
dev->minor = minor;
if ((ret=DRM(fill_in_dev)(dev, pdev, ent))) {
printk(KERN_ERR "DRM: Fill_in_dev failed.\n");
goto err_g1;
}
if ((ret = DRM(proc_init)(dev, minor, DRM(global)->proc_root, &dev->dev_root))) {
printk (KERN_ERR "DRM: Failed to initialize /proc/dri.\n");
goto err_g1;
}
pci_enable_device(pdev);
dev_class = class_simple_device_add(DRM(global)->drm_class,
MKDEV(DRM_MAJOR, minor), &pdev->dev, "card%d", minor);
if (IS_ERR(dev_class)) {
printk(KERN_ERR "DRM: Error class_simple_device_add.\n");
ret = PTR_ERR(dev_class);
goto err_g2;
}
DRM_DEBUG("new minor assigned %d\n", minor);
return 0;
}
}
return -1;
DRM_ERROR("out of minors\n");
return -ENOMEM;
err_g2:
DRM(proc_cleanup)(minor, DRM(global)->proc_root, minors->dev_root);
err_g1:
*minors = (drm_minor_t){.dev = NULL, .type = DRM_MINOR_FREE};
DRM(free)(dev, sizeof(*dev), DRM_MEM_STUB);
return ret;
}
/**
* Put a device minor number.
......@@ -136,101 +163,112 @@ static int DRM(stub_getminor)(const char *name, struct file_operations *fops,
* "drm" data, otherwise unregisters the "drm" data, frees the stub list and
* unregisters the character device.
*/
static int DRM(stub_putminor)(int minor)
int DRM(put_minor)(drm_device_t *dev)
{
if (minor < 0 || minor >= DRM_STUB_MAXCARDS) return -1;
DRM(stub_list)[minor].name = NULL;
DRM(stub_list)[minor].fops = NULL;
DRM(proc_cleanup)(minor, DRM(stub_root),
DRM(stub_list)[minor].dev_root);
if (minor) {
class_simple_device_remove(MKDEV(DRM_MAJOR, minor));
inter_module_put("drm");
} else {
inter_module_unregister("drm");
DRM(free)(DRM(stub_list),
sizeof(*DRM(stub_list)) * DRM_STUB_MAXCARDS,
DRM_MEM_STUB);
unregister_chrdev(DRM_MAJOR, "drm");
class_simple_device_remove(MKDEV(DRM_MAJOR, minor));
class_simple_destroy(drm_class);
drm_minor_t *minors = &DRM(global)->minors[dev->minor];
int i;
DRM_DEBUG("release minor %d\n", dev->minor);
DRM(proc_cleanup)(dev->minor, DRM(global)->proc_root, dev->dev_root);
class_simple_device_remove(MKDEV(DRM_MAJOR, dev->minor));
*minors = (drm_minor_t){.dev = NULL, .type = DRM_MINOR_FREE};
DRM(free)(dev, sizeof(*dev), DRM_MEM_STUB);
/* if any device pointers are non-NULL we are not the last module */
for (i=0; i<DRM(global)->cards_limit; i++) {
if (DRM(global)->minors[i].type != DRM_MINOR_FREE) {
DRM_DEBUG("inter_module_put called\n");
inter_module_put("drm");
return 0;
}
}
DRM_DEBUG("unregistering inter_module.\n");
inter_module_unregister("drm");
remove_proc_entry("dri", NULL);
class_simple_destroy(DRM(global)->drm_class);
unregister_chrdev(DRM_MAJOR, "drm");
DRM(free)(DRM(global)->minors, sizeof(*DRM(global)->minors) *
DRM(global)->cards_limit, DRM_MEM_STUB);
DRM(free)(DRM(global), sizeof(*DRM(global)), DRM_MEM_STUB);
DRM(global) = NULL;
return 0;
}
/**
* Register.
*
* \param name driver name.
* \param fops file operations
* \param dev DRM device.
* \param pdev - PCI device structure
* \param ent entry from the PCI ID table with device type flags
* \return zero on success or a negative number on failure.
*
* Attempt to register the char device and get the foreign "drm" data. If
* successful then another module already registered so gets the stub info,
* otherwise use this module stub info and make it available for other modules.
*
* Finally calls stub_info::info_register.
* Attempt to gets inter module "drm" information. If we are first
* then register the character device and inter module information.
* Try and register, if we fail to register, backout previous work.
*/
int DRM(stub_register)(const char *name, struct file_operations *fops,
drm_device_t *dev)
int DRM(probe)(struct pci_dev *pdev, const struct pci_device_id *ent)
{
struct drm_stub_info *i = NULL;
int ret1;
int ret2;
drm_global_t *global;
int ret = -ENOMEM;
DRM_DEBUG("\n");
ret1 = register_chrdev(DRM_MAJOR, "drm", &DRM(stub_fops));
if (!ret1) {
drm_class = class_simple_create(THIS_MODULE, "drm");
if (IS_ERR(drm_class)) {
printk (KERN_ERR "Error creating drm class.\n");
unregister_chrdev(DRM_MAJOR, "drm");
return PTR_ERR(drm_class);
/* use the inter_module_get to check - as if the same module
registers chrdev twice it succeeds */
global = (drm_global_t *)inter_module_get("drm");
if (global) {
DRM(global) = global;
global = NULL;
} else {
DRM_DEBUG("first probe\n");
global = DRM(calloc)(1, sizeof(*global), DRM_MEM_STUB);
if(!global)
return -ENOMEM;
global->cards_limit = (cards_limit < DRM_MAX_MINOR + 1 ? cards_limit : DRM_MAX_MINOR + 1);
global->minors = DRM(calloc)(global->cards_limit,
sizeof(*global->minors), DRM_MEM_STUB);
if(!global->minors)
goto err_p1;
if (register_chrdev(DRM_MAJOR, "drm", &DRM(stub_fops)))
goto err_p1;
global->drm_class = class_simple_create(THIS_MODULE, "drm");
if (IS_ERR(global->drm_class)) {
printk (KERN_ERR "DRM: Error creating drm class.\n");
ret = PTR_ERR(global->drm_class);
goto err_p2;
}
global->proc_root = create_proc_entry("dri", S_IFDIR, NULL);
if (!global->proc_root) {
DRM_ERROR("Cannot create /proc/dri\n");
ret = -1;
goto err_p3;
}
}
else if (ret1 == -EBUSY)
i = (struct drm_stub_info *)inter_module_get("drm");
else
return -1;
if (i) {
/* Already registered */
DRM(stub_info).info_register = i->info_register;
DRM(stub_info).info_unregister = i->info_unregister;
DRM_DEBUG("already registered\n");
} else if (DRM(stub_info).info_register != DRM(stub_getminor)) {
DRM(stub_info).info_register = DRM(stub_getminor);
DRM(stub_info).info_unregister = DRM(stub_putminor);
DRM_DEBUG("calling inter_module_register\n");
inter_module_register("drm", THIS_MODULE, &DRM(stub_info));
inter_module_register("drm", THIS_MODULE, global);
DRM(global) = global;
}
if (DRM(stub_info).info_register) {
ret2 = DRM(stub_info).info_register(name, fops, dev);
if (ret2) {
if (!ret1) {
unregister_chrdev(DRM_MAJOR, "drm");
class_simple_destroy(drm_class);
}
if (!i)
inter_module_unregister("drm");
}
return ret2;
if ((ret = get_minor(pdev, ent))) {
if (global)
goto err_p3;
return ret;
}
return -1;
}
/**
* Unregister.
*
* \param minor
*
* Calls drm_stub_info::unregister.
*/
int DRM(stub_unregister)(int minor)
{
DRM_DEBUG("%d\n", minor);
if (DRM(stub_info).info_unregister)
return DRM(stub_info).info_unregister(minor);
return -1;
return 0;
err_p3:
class_simple_destroy(global->drm_class);
err_p2:
unregister_chrdev(DRM_MAJOR, "drm");
DRM(free)(global->minors, sizeof(*global->minors) * global->cards_limit, DRM_MEM_STUB);
err_p1:
DRM(free)(global, sizeof(*global), DRM_MEM_STUB);
DRM(global) = NULL;
return ret;
}
drivers/char/drm/i915_mem.c
View file @ 43d8a5b8
......@@ -75,7 +75,7 @@ static struct mem_block *split_block(struct mem_block *p, int start, int size,
{
/* Maybe cut off the start of an existing block */
if (start > p->start) {
struct mem_block *newblock = DRM_MALLOC(sizeof(*newblock));
struct mem_block *newblock = DRM(alloc)(sizeof(*newblock), DRM_MEM_BUFLISTS);
if (!newblock)
goto out;
newblock->start = start;
......@@ -91,7 +91,7 @@ static struct mem_block *split_block(struct mem_block *p, int start, int size,
/* Maybe cut off the end of an existing block */
if (size < p->size) {
struct mem_block *newblock = DRM_MALLOC(sizeof(*newblock));
struct mem_block *newblock = DRM(alloc)(sizeof(*newblock), DRM_MEM_BUFLISTS);
if (!newblock)
goto out;
newblock->start = start + size;
......@@ -148,7 +148,7 @@ static void free_block(struct mem_block *p)
p->size += q->size;
p->next = q->next;
p->next->prev = p;
DRM_FREE(q, sizeof(*q));
DRM(free)(q, sizeof(*q), DRM_MEM_BUFLISTS);
}
if (p->prev->filp == NULL) {
......@@ -156,7 +156,7 @@ static void free_block(struct mem_block *p)
q->size += p->size;
q->next = p->next;
q->next->prev = q;
DRM_FREE(p, sizeof(*q));
DRM(free)(p, sizeof(*q), DRM_MEM_BUFLISTS);
}
}
......@@ -164,14 +164,14 @@ static void free_block(struct mem_block *p)
*/
static int init_heap(struct mem_block **heap, int start, int size)
{
struct mem_block *blocks = DRM_MALLOC(sizeof(*blocks));
struct mem_block *blocks = DRM(alloc)(sizeof(*blocks), DRM_MEM_BUFLISTS);
if (!blocks)
return -ENOMEM;
*heap = DRM_MALLOC(sizeof(**heap));
*heap = DRM(alloc)(sizeof(**heap), DRM_MEM_BUFLISTS);
if (!*heap) {
DRM_FREE(blocks, sizeof(*blocks));
DRM(free)(blocks, sizeof(*blocks), DRM_MEM_BUFLISTS);
return -ENOMEM;
}
......@@ -211,7 +211,7 @@ void i915_mem_release(drm_device_t * dev, DRMFILE filp, struct mem_block *heap)
p->size += q->size;
p->next = q->next;
p->next->prev = p;
DRM_FREE(q, sizeof(*q));
DRM(free)(q, sizeof(*q), DRM_MEM_BUFLISTS);
}
}
}
......@@ -228,10 +228,10 @@ void i915_mem_takedown(struct mem_block **heap)
for (p = (*heap)->next; p != *heap;) {
struct mem_block *q = p;
p = p->next;
DRM_FREE(q, sizeof(*q));
DRM(free)(q, sizeof(*q), DRM_MEM_BUFLISTS);
}
DRM_FREE(*heap, sizeof(**heap));
DRM(free)(*heap, sizeof(**heap), DRM_MEM_BUFLISTS);
*heap = NULL;
}
......
drivers/char/drm/r128_state.c
View file @ 43d8a5b8
......@@ -926,24 +926,24 @@ static int r128_cce_dispatch_write_span( drm_device_t *dev,
}
buffer_size = depth->n * sizeof(u32);
buffer = DRM_MALLOC( buffer_size );
buffer = DRM(alloc)( buffer_size, DRM_MEM_BUFS );
if ( buffer == NULL )
return DRM_ERR(ENOMEM);
if ( DRM_COPY_FROM_USER( buffer, depth->buffer, buffer_size ) ) {
DRM_FREE( buffer, buffer_size);
DRM(free)( buffer, buffer_size, DRM_MEM_BUFS);
return DRM_ERR(EFAULT);
}
mask_size = depth->n * sizeof(u8);
if ( depth->mask ) {
mask = DRM_MALLOC( mask_size );
mask = DRM(alloc)( mask_size, DRM_MEM_BUFS );
if ( mask == NULL ) {
DRM_FREE( buffer, buffer_size );
DRM(free)( buffer, buffer_size, DRM_MEM_BUFS );
return DRM_ERR(ENOMEM);
}
if ( DRM_COPY_FROM_USER( mask, depth->mask, mask_size ) ) {
DRM_FREE( buffer, buffer_size );
DRM_FREE( mask, mask_size );
DRM(free)( buffer, buffer_size, DRM_MEM_BUFS );
DRM(free)( mask, mask_size, DRM_MEM_BUFS );
return DRM_ERR(EFAULT);
}
......@@ -970,7 +970,7 @@ static int r128_cce_dispatch_write_span( drm_device_t *dev,
}
}
DRM_FREE( mask, mask_size );
DRM(free)( mask, mask_size, DRM_MEM_BUFS );
} else {
for ( i = 0 ; i < count ; i++, x++ ) {
BEGIN_RING( 6 );
......@@ -994,7 +994,7 @@ static int r128_cce_dispatch_write_span( drm_device_t *dev,
}
}
DRM_FREE( buffer, buffer_size );
DRM(free)( buffer, buffer_size, DRM_MEM_BUFS );
return 0;
}
......@@ -1016,54 +1016,54 @@ static int r128_cce_dispatch_write_pixels( drm_device_t *dev,
xbuf_size = count * sizeof(*x);
ybuf_size = count * sizeof(*y);
x = DRM_MALLOC( xbuf_size );
x = DRM(alloc)( xbuf_size, DRM_MEM_BUFS );
if ( x == NULL ) {
return DRM_ERR(ENOMEM);
}
y = DRM_MALLOC( ybuf_size );
y = DRM(alloc)( ybuf_size, DRM_MEM_BUFS );
if ( y == NULL ) {
DRM_FREE( x, xbuf_size );
DRM(free)( x, xbuf_size, DRM_MEM_BUFS );
return DRM_ERR(ENOMEM);
}
if ( DRM_COPY_FROM_USER( x, depth->x, xbuf_size ) ) {
DRM_FREE( x, xbuf_size );
DRM_FREE( y, ybuf_size );
DRM(free)( x, xbuf_size, DRM_MEM_BUFS );
DRM(free)( y, ybuf_size, DRM_MEM_BUFS );
return DRM_ERR(EFAULT);
}
if ( DRM_COPY_FROM_USER( y, depth->y, xbuf_size ) ) {
DRM_FREE( x, xbuf_size );
DRM_FREE( y, ybuf_size );
DRM(free)( x, xbuf_size, DRM_MEM_BUFS );
DRM(free)( y, ybuf_size, DRM_MEM_BUFS );
return DRM_ERR(EFAULT);
}
buffer_size = depth->n * sizeof(u32);
buffer = DRM_MALLOC( buffer_size );
buffer = DRM(alloc)( buffer_size, DRM_MEM_BUFS );
if ( buffer == NULL ) {
DRM_FREE( x, xbuf_size );
DRM_FREE( y, ybuf_size );
DRM(free)( x, xbuf_size, DRM_MEM_BUFS );
DRM(free)( y, ybuf_size, DRM_MEM_BUFS );
return DRM_ERR(ENOMEM);
}
if ( DRM_COPY_FROM_USER( buffer, depth->buffer, buffer_size ) ) {
DRM_FREE( x, xbuf_size );
DRM_FREE( y, ybuf_size );
DRM_FREE( buffer, buffer_size );
DRM(free)( x, xbuf_size, DRM_MEM_BUFS );
DRM(free)( y, ybuf_size, DRM_MEM_BUFS );
DRM(free)( buffer, buffer_size, DRM_MEM_BUFS );
return DRM_ERR(EFAULT);
}
if ( depth->mask ) {
mask_size = depth->n * sizeof(u8);
mask = DRM_MALLOC( mask_size );
mask = DRM(alloc)( mask_size, DRM_MEM_BUFS );
if ( mask == NULL ) {
DRM_FREE( x, xbuf_size );
DRM_FREE( y, ybuf_size );
DRM_FREE( buffer, buffer_size );
DRM(free)( x, xbuf_size, DRM_MEM_BUFS );
DRM(free)( y, ybuf_size, DRM_MEM_BUFS );
DRM(free)( buffer, buffer_size, DRM_MEM_BUFS );
return DRM_ERR(ENOMEM);
}
if ( DRM_COPY_FROM_USER( mask, depth->mask, mask_size ) ) {
DRM_FREE( x, xbuf_size );
DRM_FREE( y, ybuf_size );
DRM_FREE( buffer, buffer_size );
DRM_FREE( mask, mask_size );
DRM(free)( x, xbuf_size, DRM_MEM_BUFS );
DRM(free)( y, ybuf_size, DRM_MEM_BUFS );
DRM(free)( buffer, buffer_size, DRM_MEM_BUFS );
DRM(free)( mask, mask_size, DRM_MEM_BUFS );
return DRM_ERR(EFAULT);
}
......@@ -1090,7 +1090,7 @@ static int r128_cce_dispatch_write_pixels( drm_device_t *dev,
}
}
DRM_FREE( mask, mask_size );
DRM(free)( mask, mask_size, DRM_MEM_BUFS );
} else {
for ( i = 0 ; i < count ; i++ ) {
BEGIN_RING( 6 );
......@@ -1114,9 +1114,9 @@ static int r128_cce_dispatch_write_pixels( drm_device_t *dev,
}
}
DRM_FREE( x, xbuf_size );
DRM_FREE( y, ybuf_size );
DRM_FREE( buffer, buffer_size );
DRM(free)( x, xbuf_size, DRM_MEM_BUFS );
DRM(free)( y, ybuf_size, DRM_MEM_BUFS );
DRM(free)( buffer, buffer_size, DRM_MEM_BUFS );
return 0;
}
......@@ -1184,23 +1184,23 @@ static int r128_cce_dispatch_read_pixels( drm_device_t *dev,
xbuf_size = count * sizeof(*x);
ybuf_size = count * sizeof(*y);
x = DRM_MALLOC( xbuf_size );
x = DRM(alloc)( xbuf_size, DRM_MEM_BUFS );
if ( x == NULL ) {
return DRM_ERR(ENOMEM);
}
y = DRM_MALLOC( ybuf_size );
y = DRM(alloc)( ybuf_size, DRM_MEM_BUFS );
if ( y == NULL ) {
DRM_FREE( x, xbuf_size );
DRM(free)( x, xbuf_size, DRM_MEM_BUFS );
return DRM_ERR(ENOMEM);
}
if ( DRM_COPY_FROM_USER( x, depth->x, xbuf_size ) ) {
DRM_FREE( x, xbuf_size );
DRM_FREE( y, ybuf_size );
DRM(free)( x, xbuf_size, DRM_MEM_BUFS );
DRM(free)( y, ybuf_size, DRM_MEM_BUFS );
return DRM_ERR(EFAULT);
}
if ( DRM_COPY_FROM_USER( y, depth->y, ybuf_size ) ) {
DRM_FREE( x, xbuf_size );
DRM_FREE( y, ybuf_size );
DRM(free)( x, xbuf_size, DRM_MEM_BUFS );
DRM(free)( y, ybuf_size, DRM_MEM_BUFS );
return DRM_ERR(EFAULT);
}
......@@ -1228,8 +1228,8 @@ static int r128_cce_dispatch_read_pixels( drm_device_t *dev,
ADVANCE_RING();
}
DRM_FREE( x, xbuf_size );
DRM_FREE( y, ybuf_size );
DRM(free)( x, xbuf_size, DRM_MEM_BUFS );
DRM(free)( y, ybuf_size, DRM_MEM_BUFS );
return 0;
}
......
drivers/char/drm/radeon_mem.c
View file @ 43d8a5b8
......@@ -44,7 +44,7 @@ static struct mem_block *split_block(struct mem_block *p, int start, int size,
{
/* Maybe cut off the start of an existing block */
if (start > p->start) {
struct mem_block *newblock = DRM_MALLOC(sizeof(*newblock));
struct mem_block *newblock = DRM(alloc)(sizeof(*newblock), DRM_MEM_BUFS );
if (!newblock)
goto out;
newblock->start = start;
......@@ -60,7 +60,7 @@ static struct mem_block *split_block(struct mem_block *p, int start, int size,
/* Maybe cut off the end of an existing block */
if (size < p->size) {
struct mem_block *newblock = DRM_MALLOC(sizeof(*newblock));
struct mem_block *newblock = DRM(alloc)(sizeof(*newblock), DRM_MEM_BUFS );
if (!newblock)
goto out;
newblock->start = start + size;
......@@ -118,7 +118,7 @@ static void free_block( struct mem_block *p )
p->size += q->size;
p->next = q->next;
p->next->prev = p;
DRM_FREE(q, sizeof(*q));
DRM(free)(q, sizeof(*q), DRM_MEM_BUFS );
}
if (p->prev->filp == 0) {
......@@ -126,7 +126,7 @@ static void free_block( struct mem_block *p )
q->size += p->size;
q->next = p->next;
q->next->prev = q;
DRM_FREE(p, sizeof(*q));
DRM(free)(p, sizeof(*q), DRM_MEM_BUFS );
}
}
......@@ -134,14 +134,14 @@ static void free_block( struct mem_block *p )
*/
static int init_heap(struct mem_block **heap, int start, int size)
{
struct mem_block *blocks = DRM_MALLOC(sizeof(*blocks));
struct mem_block *blocks = DRM(alloc)(sizeof(*blocks), DRM_MEM_BUFS );
if (!blocks)
return DRM_ERR(ENOMEM);
*heap = DRM_MALLOC(sizeof(**heap));
*heap = DRM(alloc)(sizeof(**heap), DRM_MEM_BUFS );
if (!*heap) {
DRM_FREE( blocks, sizeof(*blocks) );
DRM(free)( blocks, sizeof(*blocks), DRM_MEM_BUFS );
return DRM_ERR(ENOMEM);
}
......@@ -180,7 +180,7 @@ void radeon_mem_release( DRMFILE filp, struct mem_block *heap )
p->size += q->size;
p->next = q->next;
p->next->prev = p;
DRM_FREE(q, sizeof(*q));
DRM(free)(q, sizeof(*q),DRM_MEM_DRIVER);
}
}
}
......@@ -197,10 +197,10 @@ void radeon_mem_takedown( struct mem_block **heap )
for (p = (*heap)->next ; p != *heap ; ) {
struct mem_block *q = p;
p = p->next;
DRM_FREE(q, sizeof(*q));
DRM(free)(q, sizeof(*q),DRM_MEM_DRIVER);
}
DRM_FREE( *heap, sizeof(**heap) );
DRM(free)( *heap, sizeof(**heap),DRM_MEM_DRIVER );
*heap = NULL;
}
......
drivers/char/drm/radeon_state.c
View file @ 43d8a5b8
......@@ -1440,7 +1440,8 @@ static int radeon_cp_dispatch_texture( DRMFILE filp,
}
if ( !buf ) {
DRM_DEBUG("radeon_cp_dispatch_texture: EAGAIN\n");
DRM_COPY_TO_USER( tex->image, image, sizeof(*image) );
if (DRM_COPY_TO_USER( tex->image, image, sizeof(*image) ))
return DRM_ERR(EFAULT);
return DRM_ERR(EAGAIN);
}
......
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