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ddk: v3.10

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git-svn-id: svn://kolibrios.org@3763 a494cfbc-eb01-0410-851d-a64ba20cac60
This commit is contained in:
Sergey Semyonov (Serge) 2013-07-05 07:41:18 +00:00
parent 8a0dae3f14
commit a3e5776171
7 changed files with 308 additions and 27 deletions
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37
drivers/ddk/linux/workqueue.c
View File

@ -2,6 +2,8 @@
#include <linux/workqueue.h>
#include <ddk.h>
extern int driver_wq_state;
struct workqueue_struct *alloc_workqueue(const char *fmt,
unsigned int flags,
int max_active)
@ -29,29 +31,28 @@ void run_workqueue(struct workqueue_struct *cwq)
// dbgprintf("wq: %x head %x, next %x\n",
// cwq, &cwq->worklist, cwq->worklist.next);
repeat:
spin_lock_irqsave(&cwq->lock, irqflags);
while (!list_empty(&cwq->worklist))
while(driver_wq_state != 0)
{
struct work_struct *work = list_entry(cwq->worklist.next,
spin_lock_irqsave(&cwq->lock, irqflags);
while (!list_empty(&cwq->worklist))
{
struct work_struct *work = list_entry(cwq->worklist.next,
struct work_struct, entry);
work_func_t f = work->func;
list_del_init(cwq->worklist.next);
// dbgprintf("head %x, next %x\n",
// &cwq->worklist, cwq->worklist.next);
work_func_t f = work->func;
list_del_init(cwq->worklist.next);
// printf("work %p, func %p\n",
// work, f);
spin_unlock_irqrestore(&cwq->lock, irqflags);
f(work);
spin_lock_irqsave(&cwq->lock, irqflags);
}
spin_unlock_irqrestore(&cwq->lock, irqflags);
f(work);
spin_lock_irqsave(&cwq->lock, irqflags);
}
spin_unlock_irqrestore(&cwq->lock, irqflags);
delay(1);
goto repeat;
delay(1);
};
}

4
drivers/include/drm/drmP.h
View File

@ -56,7 +56,9 @@
#include <linux/bug.h>
#include <linux/sched.h>
//#include <linux/miscdevice.h>
#include <linux/firmware.h>
#include <linux/err.h>
//#include <linux/fs.h>
//#include <linux/proc_fs.h>
//#include <linux/init.h>

67
drivers/include/drm/drm_mem_util.h Normal file
View File

@ -0,0 +1,67 @@
/*
* Copyright © 2008 Intel Corporation
*
* 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 AUTHORS OR COPYRIGHT HOLDERS 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.
*
* Authors:
* Jesse Barnes <jbarnes@virtuousgeek.org>
*
*/
#ifndef _DRM_MEM_UTIL_H_
#define _DRM_MEM_UTIL_H_
static __inline__ void *drm_calloc_large(size_t nmemb, size_t size)
{
void *p;
if (size != 0 && nmemb > SIZE_MAX / size)
return NULL;
if (size * nmemb <= PAGE_SIZE)
return calloc(nmemb, size);
p = (void*)KernelAlloc(size * nmemb);
if ( p != NULL )
memset(p, 0,size * nmemb);
return p;
}
/* Modeled after cairo's malloc_ab, it's like calloc but without the zeroing. */
static __inline__ void *drm_malloc_ab(size_t nmemb, size_t size)
{
if (size != 0 && nmemb > SIZE_MAX / size)
return NULL;
if (size * nmemb <= PAGE_SIZE)
return kmalloc(nmemb * size, GFP_KERNEL);
return (void*)KernelAlloc(size * nmemb);
}
static __inline void drm_free_large(void *ptr)
{
if( ((addr_t)ptr & 0xFFF) == 0 ) // !!!
KernelFree(ptr);
else
kfree(ptr);
}
#endif

6
drivers/include/drm/ttm/ttm_memory.h
View File

@ -28,12 +28,12 @@
#ifndef TTM_MEMORY_H
#define TTM_MEMORY_H
//#include <linux/workqueue.h>
#include <linux/workqueue.h>
#include <linux/spinlock.h>
#include <linux/bug.h>
#include <linux/wait.h>
#include <linux/errno.h>
//#include <linux/kobject.h>
#include <linux/kobject.h>
#include <linux/mm.h>
/**
@ -75,7 +75,7 @@ struct ttm_mem_shrink {
#define TTM_MEM_MAX_ZONES 2
struct ttm_mem_zone;
struct ttm_mem_global {
// struct kobject kobj;
struct kobject kobj;
struct ttm_mem_shrink *shrink;
struct workqueue_struct *swap_queue;
struct work_struct work;

1
drivers/include/linux/bug.h
View File

@ -53,7 +53,6 @@
#define BUG() do { \
printk("BUG: failure at %s:%d/%s()!\n", __FILE__, __LINE__, __FUNCTION__); \
while(1){ delay(10); }; \
} while (0)
#define BUG_ON(condition) do { if (unlikely(condition)) BUG(); } while(0)

4
drivers/include/linux/firmware.h
View File

@ -59,9 +59,5 @@ struct platform_device
#define IS_ERR_VALUE(x) unlikely((x) >= (unsigned long)-MAX_ERRNO)
static inline long IS_ERR(const void *ptr)
{
return IS_ERR_VALUE((unsigned long)ptr);
}
#endif

216
drivers/include/linux/kobject.h Normal file
View File

@ -0,0 +1,216 @@
/*
* kobject.h - generic kernel object infrastructure.
*
* Copyright (c) 2002-2003 Patrick Mochel
* Copyright (c) 2002-2003 Open Source Development Labs
* Copyright (c) 2006-2008 Greg Kroah-Hartman <greg@kroah.com>
* Copyright (c) 2006-2008 Novell Inc.
*
* This file is released under the GPLv2.
*
* Please read Documentation/kobject.txt before using the kobject
* interface, ESPECIALLY the parts about reference counts and object
* destructors.
*/
#ifndef _KOBJECT_H_
#define _KOBJECT_H_
#include <linux/types.h>
#include <linux/list.h>
//#include <linux/sysfs.h>
#include <linux/compiler.h>
#include <linux/spinlock.h>
#include <linux/kref.h>
//#include <linux/kobject_ns.h>
#include <linux/kernel.h>
#include <linux/wait.h>
//#include <linux/atomic.h>
#define UEVENT_HELPER_PATH_LEN 256
#define UEVENT_NUM_ENVP 32 /* number of env pointers */
#define UEVENT_BUFFER_SIZE 2048 /* buffer for the variables */
/* path to the userspace helper executed on an event */
extern char uevent_helper[];
/* counter to tag the uevent, read only except for the kobject core */
extern u64 uevent_seqnum;
/*
* The actions here must match the index to the string array
* in lib/kobject_uevent.c
*
* Do not add new actions here without checking with the driver-core
* maintainers. Action strings are not meant to express subsystem
* or device specific properties. In most cases you want to send a
* kobject_uevent_env(kobj, KOBJ_CHANGE, env) with additional event
* specific variables added to the event environment.
*/
enum kobject_action {
KOBJ_ADD,
KOBJ_REMOVE,
KOBJ_CHANGE,
KOBJ_MOVE,
KOBJ_ONLINE,
KOBJ_OFFLINE,
KOBJ_MAX
};
struct kobject {
const char *name;
struct list_head entry;
struct kobject *parent;
// struct kset *kset;
struct kobj_type *ktype;
// struct sysfs_dirent *sd;
struct kref kref;
unsigned int state_initialized:1;
unsigned int state_in_sysfs:1;
unsigned int state_add_uevent_sent:1;
unsigned int state_remove_uevent_sent:1;
unsigned int uevent_suppress:1;
};
extern __printf(2, 3)
int kobject_set_name(struct kobject *kobj, const char *name, ...);
extern int kobject_set_name_vargs(struct kobject *kobj, const char *fmt,
va_list vargs);
static inline const char *kobject_name(const struct kobject *kobj)
{
return kobj->name;
}
extern void kobject_init(struct kobject *kobj, struct kobj_type *ktype);
extern __printf(3, 4) __must_check
int kobject_add(struct kobject *kobj, struct kobject *parent,
const char *fmt, ...);
extern __printf(4, 5) __must_check
int kobject_init_and_add(struct kobject *kobj,
struct kobj_type *ktype, struct kobject *parent,
const char *fmt, ...);
extern void kobject_del(struct kobject *kobj);
extern struct kobject * __must_check kobject_create(void);
extern struct kobject * __must_check kobject_create_and_add(const char *name,
struct kobject *parent);
extern int __must_check kobject_rename(struct kobject *, const char *new_name);
extern int __must_check kobject_move(struct kobject *, struct kobject *);
extern struct kobject *kobject_get(struct kobject *kobj);
extern void kobject_put(struct kobject *kobj);
extern char *kobject_get_path(struct kobject *kobj, gfp_t flag);
struct kobj_type {
void (*release)(struct kobject *kobj);
// const struct sysfs_ops *sysfs_ops;
// struct attribute **default_attrs;
// const struct kobj_ns_type_operations *(*child_ns_type)(struct kobject *kobj);
// const void *(*namespace)(struct kobject *kobj);
};
struct kobj_uevent_env {
char *envp[UEVENT_NUM_ENVP];
int envp_idx;
char buf[UEVENT_BUFFER_SIZE];
int buflen;
};
//struct kset_uevent_ops {
// int (* const filter)(struct kset *kset, struct kobject *kobj);
// const char *(* const name)(struct kset *kset, struct kobject *kobj);
// int (* const uevent)(struct kset *kset, struct kobject *kobj,
// struct kobj_uevent_env *env);
//};
struct kobj_attribute {
// struct attribute attr;
ssize_t (*show)(struct kobject *kobj, struct kobj_attribute *attr,
char *buf);
ssize_t (*store)(struct kobject *kobj, struct kobj_attribute *attr,
const char *buf, size_t count);
};
extern const struct sysfs_ops kobj_sysfs_ops;
struct sock;
/**
* struct kset - a set of kobjects of a specific type, belonging to a specific subsystem.
*
* A kset defines a group of kobjects. They can be individually
* different "types" but overall these kobjects all want to be grouped
* together and operated on in the same manner. ksets are used to
* define the attribute callbacks and other common events that happen to
* a kobject.
*
* @list: the list of all kobjects for this kset
* @list_lock: a lock for iterating over the kobjects
* @kobj: the embedded kobject for this kset (recursion, isn't it fun...)
* @uevent_ops: the set of uevent operations for this kset. These are
* called whenever a kobject has something happen to it so that the kset
* can add new environment variables, or filter out the uevents if so
* desired.
*/
struct kset {
struct list_head list;
spinlock_t list_lock;
struct kobject kobj;
// const struct kset_uevent_ops *uevent_ops;
};
//extern void kset_init(struct kset *kset);
//extern int __must_check kset_register(struct kset *kset);
//extern void kset_unregister(struct kset *kset);
//extern struct kset * __must_check kset_create_and_add(const char *name,
// const struct kset_uevent_ops *u,
// struct kobject *parent_kobj);
//static inline struct kset *to_kset(struct kobject *kobj)
//{
// return kobj ? container_of(kobj, struct kset, kobj) : NULL;
//}
//static inline struct kset *kset_get(struct kset *k)
//{
// return k ? to_kset(kobject_get(&k->kobj)) : NULL;
//}
//static inline void kset_put(struct kset *k)
//{
// kobject_put(&k->kobj);
//}
static inline struct kobj_type *get_ktype(struct kobject *kobj)
{
return kobj->ktype;
}
//extern struct kobject *kset_find_obj(struct kset *, const char *);
/* The global /sys/kernel/ kobject for people to chain off of */
extern struct kobject *kernel_kobj;
/* The global /sys/kernel/mm/ kobject for people to chain off of */
extern struct kobject *mm_kobj;
/* The global /sys/hypervisor/ kobject for people to chain off of */
extern struct kobject *hypervisor_kobj;
/* The global /sys/power/ kobject for people to chain off of */
extern struct kobject *power_kobj;
/* The global /sys/firmware/ kobject for people to chain off of */
extern struct kobject *firmware_kobj;
int kobject_uevent(struct kobject *kobj, enum kobject_action action);
int kobject_uevent_env(struct kobject *kobj, enum kobject_action action,
char *envp[]);
__printf(2, 3)
int add_uevent_var(struct kobj_uevent_env *env, const char *format, ...);
int kobject_action_type(const char *buf, size_t count,
enum kobject_action *type);
#endif /* _KOBJECT_H_ */