drmP.h revision e92e3a8694f157faf8a9e44096a70ada86c556bf
/*
* drmP.h -- Private header for Direct Rendering Manager -*- linux-c -*-
* Created: Mon Jan 4 10:05:05 1999 by faith@precisioninsight.com
*/
/*
* Copyright 1999 Precision Insight, Inc., Cedar Park, Texas.
* Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California.
* All rights reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* 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
* 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:
* Rickard E. (Rik) Faith <faith@valinux.com>
* Gareth Hughes <gareth@valinux.com>
*
*/
/*
* Copyright 2007 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#ifndef _DRMP_H
#define _DRMP_H
#pragma ident "%Z%%M% %I% %E% SMI"
#include "drm.h"
#include "queue.h"
#include "drm_linux_list.h"
#ifdef NOPID
#endif
#if !defined(__FUNCTION__) && defined(C99)
#define __FUNCTION__ __func__
#else
#define __FUNCTION__ " "
#endif
/* DRM space units */
#define DRM_PAGE_SHIFT PAGESHIFT
#define DRM_MB2PAGES(x) ((x) << 8)
#define DRM_PAGES2BYTES(x) ((x) << DRM_PAGE_SHIFT)
#define DRM_BYTES2PAGES(x) ((x) >> DRM_PAGE_SHIFT)
#define DRM_PAGES2KB(x) ((x) << 2)
#define PAGE_SHIFT DRM_PAGE_SHIFT
#define PAGE_SIZE DRM_PAGE_SIZE
#define DRM_MAX_INSTANCES 1
#define DRM_DEVNODE "drm"
#define DRM_UNOPENED 0
#define DRM_OPENED 1
#define DRM_KERNEL_CONTEXT 0 /* Change drm_resctx if changed */
#define DRM_MEM_DMA 0
#define DRM_MEM_SAREA 1
#define DRM_MEM_DRIVER 2
#define DRM_MEM_MAGIC 3
#define DRM_MEM_IOCTLS 4
#define DRM_MEM_MAPS 5
#define DRM_MEM_BUFS 6
#define DRM_MEM_SEGS 7
#define DRM_MEM_PAGES 8
#define DRM_MEM_FILES 9
#define DRM_MEM_QUEUES 10
#define DRM_MEM_CMDS 11
#define DRM_MEM_MAPPINGS 12
#define DRM_MEM_BUFLISTS 13
#define DRM_MEM_DRMLISTS 14
#define DRM_MEM_TOTALDRM 15
#define DRM_MEM_BOUNDDRM 16
#define DRM_MEM_CTXBITMAP 17
#define DRM_MEM_STUB 18
#define DRM_MEM_SGLISTS 19
#define DRM_MEM_AGPLISTS 20
/* Internal types and structures */
#define DRM_ARRAY_SIZE(x) (sizeof (x) / sizeof (x[0]))
#define DRM_MIN(a, b) ((a) < (b) ? (a) : (b))
#define DRM_MAX(a, b) ((a) > (b) ? (a) : (b))
#define __OS_HAS_AGP 1
#define DRM_DEV_UID 0
#define DRM_DEV_GID 0
#define wait_queue_head_t kcondvar_t
#define DRM_WAKEUP(w) cv_broadcast(w)
#define DRM_WAKEUP_INT(w)
#define DRM_CURPROC
#define DRM_CURRENTPID ddi_get_pid()
#define DRM_SPINLOCK(l) mutex_enter(l)
#define DRM_SPINUNLOCK(u) mutex_exit(u)
#define DRM_SPINLOCK_ASSERT(l)
#define spin_lock(l) mutex_enter(l)
#define spin_unlock(u) mutex_exit(u)
#define atomic_inc atomic_inc_32
#define DRM_MEMORYBARRIER()
#define drm_device drm_softstate
typedef struct drm_softstate drm_device_t;
typedef struct drm_softstate drm_softstate_t;
#define atomic_read(p) (*(p))
#define atomic_set(p, v) (*(p) = (v))
return EFAULT
/* Other copying of data to kernel space */
/* Other copying of data from kernel space */
/* For data going from the kernel through the ioctl argument */
return EFAULT
for (; ; ) { \
if (!(condition)) { \
DRM_DEBUG("i915_irq: cv will wait"); \
if (ret < 0) { \
break; \
} \
} \
else { \
ret = 0; \
break; \
} \
} \
#define DRM_GETSAREA() \
{ \
drm_local_map_t *map; \
break; \
} \
} \
}
DRM_ERROR("%s called without lock held\n", \
__FUNCTION__); \
return (EINVAL); \
}
/*
* Currently our DRMFILE (filp) is a void * which is actually the pid
* of the current process. It should be a per-open unique pointer, but
* code for that is not yet written
*/
#define DRMFILE void *
#define IRQ_HANDLED DDI_INTR_CLAIMED
#define IRQ_NONE DDI_INTR_UNCLAIMED
#define jiffies ddi_get_lbolt()
/*
* wait for 400 miliseconds
*/
#define DRM_ERR(v) (v)
typedef unsigned long dma_addr_t;
typedef uint_t irqreturn_t;
#define DRM_SUPPORT 1
#define DRM_UNSUPPORT 0
#define __OS_HAS_AGP 1
typedef struct drm_pci_id_list
{
int vendor;
int device;
long driver_private;
char *name;
#define DRM_AUTH 0x1
#define DRM_MASTER 0x2
#define DRM_ROOT_ONLY 0x4
typedef int drm_ioctl_t(DRM_IOCTL_ARGS);
typedef struct drm_ioctl_desc {
int (*func)(DRM_IOCTL_ARGS);
int auth_needed;
int root_only;
char *desc;
int flags;
typedef struct drm_magic_entry {
struct drm_magic_entry *next;
typedef struct drm_magic_head {
struct drm_magic_entry *head;
struct drm_magic_entry *tail;
typedef struct drm_buf {
int idx; /* Index into master buflist */
int total; /* Buffer size */
int order; /* log-base-2(total) */
int used; /* Amount of buffer in use (for DMA) */
unsigned long offset; /* Byte offset (used internally) */
void *address; /* Address of buffer */
unsigned long bus_address; /* Bus address of buffer */
volatile int pending; /* On hardware DMA queue */
/* Uniq. identifier of holding process */
int context; /* Kernel queue for this buffer */
enum {
DRM_LIST_NONE = 0,
DRM_LIST_FREE = 1,
DRM_LIST_WAIT = 2,
DRM_LIST_PEND = 3,
DRM_LIST_PRIO = 4,
DRM_LIST_RECLAIM = 5
} list; /* Which list we're on */
int dev_priv_size; /* Size of buffer private stoarge */
void *dev_private; /* Per-buffer private storage */
} drm_buf_t;
typedef struct drm_freelist {
int initialized; /* Freelist in use */
int low_mark; /* Low water mark */
int high_mark; /* High water mark */
typedef struct drm_buf_entry {
int buf_size;
int buf_count;
int seg_count;
int page_order;
unsigned long *seglist_bus;
struct drm_file {
int authenticated;
int master;
int minor;
int refs;
unsigned long ioctl_count;
void *driver_priv;
};
typedef struct drm_lock_data {
/* Uniq. identifier of holding process */
unsigned long lock_time; /* Time of last lock in jiffies */
/*
* This structure, in drm_softstate_t, is always initialized while the device
* is open. dev->dma_lock protects the incrementing of dev->buf_use, which
* when set marks that no further bufs may be allocated until device teardown
* watermarks of bufs are only touched by the X Server, and thus not
* concurrently accessed, so no locking is needed.
*/
typedef struct drm_device_dma {
int buf_count;
int seg_count;
int page_count;
unsigned long *pagelist;
unsigned long byte_count;
enum {
_DRM_DMA_USE_AGP = 0x01,
_DRM_DMA_USE_SG = 0x02
} flags;
typedef struct drm_agp_mem {
void *handle;
unsigned int key;
unsigned long bound; /* address */
int pages;
struct drm_agp_mem *prev;
struct drm_agp_mem *next;
typedef struct drm_agp_head {
const char *chipset;
unsigned long mode;
int enabled;
int acquired;
unsigned long base;
int mtrr;
int cant_use_aperture;
unsigned long page_mask;
typedef struct drm_sg_mem {
unsigned long handle;
int pages;
} drm_sg_mem_t;
/* BEGIN CSTYLED */
typedef union drm_off {
void * ptr;
} drm_off_t;
typedef struct drm_local_map {
unsigned int size; /* Physical size (bytes) */
void *handle; /* User-space: "Handle" to pass to mmap */
/* Kernel-space: kernel-virtual address */
int mtrr; /* Boolean: MTRR used */
/* Private data */
int rid; /* PCI resource ID for bus_space */
int kernel_owned; /* Boolean: 1= initmapped, 0= addmapped */
/* END CSTYLED */
typedef struct drm_vbl_sig {
unsigned int sequence;
int signo;
int pid;
typedef struct drm_file drm_file_t;
/* used for clone device */
struct minordev {
int cloneminor;
};
/* DRM softstate structure */
struct drm_softstate {
int cloneopens;
int drm_supported;
const char *desc; /* current driver description */
/* workaround */
/* the agp umem kernel virtual address, for radeon */
unsigned long agp_umem_kvaddr;
/* For alloc consitent physical address */
/* Beginning of driver-config section */
int (*firstopen)(struct drm_softstate *);
void (*preclose)(struct drm_softstate *, void *);
void (*lastclose)(struct drm_softstate *);
int (*unload)(struct drm_softstate *);
int (*presetup)(struct drm_softstate *);
int (*postsetup)(struct drm_softstate *);
int (*dma_ioctl)(DRM_IOCTL_ARGS);
void (*dma_ready)(struct drm_softstate *);
int (*dma_quiescent)(struct drm_softstate *);
int (*dma_flush_block_and_flush)(struct drm_softstate *,
int context,
int new);
void (*irq_preinstall)(struct drm_softstate *);
void (*irq_postinstall)(struct drm_softstate *);
unsigned int *sequence);
int max_driver_ioctl;
int dev_priv_size;
int driver_major;
int driver_minor;
int driver_patchlevel;
const char *driver_name; /* Simple driver name */
const char *driver_desc; /* Longer driver name */
const char *driver_date; /* Date of last major changes. */
unsigned use_agp :1;
unsigned require_agp :1;
unsigned use_sg :1;
unsigned use_dma :1;
unsigned use_pci_dma :1;
unsigned use_dma_queue :1;
unsigned use_irq :1;
unsigned use_vbl_irq :1;
unsigned use_mtrr :1;
/* End of driver-config section */
char *unique; /* Unique identifier: e.g., busid */
int unique_len; /* Length of unique field */
int if_version; /* Highest interface version set */
int flags; /* Flags to open(2) */
/* Locks */
/* Usage Counters */
int open_count; /* Outstanding files open */
int buf_use; /* Buffers in use -- cannot alloc */
/* Performance counters */
unsigned long counters;
/* Authentication */
/* Linked list of mappable regions. Protected by dev_lock */
int max_context;
/* DMA queues (contexts) */
/* Context support */
int irq; /* Interrupt used by board */
int irq_enabled; /* True if the irq handler is enabled */
int pci_domain;
int pci_bus;
int pci_slot;
int pci_func;
int last_context; /* Last current context */
void *dev_private;
unsigned int agp_buffer_token;
/* name Drawable information */
};
/* We add function to support DRM_DEBUG,DRM_ERROR,DRM_INFO */
/* Memory management support (drm_memory.c) */
extern void drm_mem_init(void);
extern void drm_mem_uninit(void);
extern void drm_core_ioremapfree(struct drm_local_map *,
struct drm_softstate *);
extern void drm_pci_free(drm_softstate_t *);
unsigned long);
/* Locking IOCTL support (drm_lock.c) */
extern int drm_lock_take(volatile unsigned int *lock,
unsigned int context);
volatile unsigned int *lock,
unsigned int context);
volatile unsigned int *lock,
unsigned int context);
/* Buffer management support (drm_bufs.c) */
unsigned int resource);
unsigned int resource);
/* DMA support (drm_dma.c) */
/* IRQ support (drm_irq.c) */
void(*func)(drm_device_t *));
/* AGP/GART support (drm_agpsupport.c) */
extern drm_agp_head_t *drm_agp_init();
extern void drm_agp_uninit(drm_agp_head_t *);
extern int drm_agp_do_release(drm_softstate_t *);
extern int drm_agp_free_memory(void *handle);
/* kstat support (drm_kstats.c) */
/* Scatter Gather Support (drm_scatter.c) */
/* ATI PCIGART support (ati_pcigart.c) */
/* Locking IOCTL support (drm_drv.c) */
extern int drm_lock(DRM_IOCTL_ARGS);
extern int drm_unlock(DRM_IOCTL_ARGS);
extern int drm_version(DRM_IOCTL_ARGS);
extern int drm_setversion(DRM_IOCTL_ARGS);
/* Misc. IOCTL support (drm_ioctl.c) */
extern int drm_irq_by_busid(DRM_IOCTL_ARGS);
extern int drm_getunique(DRM_IOCTL_ARGS);
extern int drm_setunique(DRM_IOCTL_ARGS);
extern int drm_getmap(DRM_IOCTL_ARGS);
extern int drm_getclient(DRM_IOCTL_ARGS);
extern int drm_getstats(DRM_IOCTL_ARGS);
extern int drm_noop(DRM_IOCTL_ARGS);
/* Context IOCTL support (drm_context.c) */
extern int drm_resctx(DRM_IOCTL_ARGS);
extern int drm_addctx(DRM_IOCTL_ARGS);
extern int drm_modctx(DRM_IOCTL_ARGS);
extern int drm_getctx(DRM_IOCTL_ARGS);
extern int drm_switchctx(DRM_IOCTL_ARGS);
extern int drm_newctx(DRM_IOCTL_ARGS);
extern int drm_rmctx(DRM_IOCTL_ARGS);
extern int drm_setsareactx(DRM_IOCTL_ARGS);
extern int drm_getsareactx(DRM_IOCTL_ARGS);
/* Drawable IOCTL support (drm_drawable.c) */
extern int drm_adddraw(DRM_IOCTL_ARGS);
extern int drm_rmdraw(DRM_IOCTL_ARGS);
/* Authentication IOCTL support (drm_auth.c) */
extern int drm_getmagic(DRM_IOCTL_ARGS);
extern int drm_authmagic(DRM_IOCTL_ARGS);
/* Buffer management support (drm_bufs.c) */
extern int drm_addmap_ioctl(DRM_IOCTL_ARGS);
extern int drm_rmmap_ioctl(DRM_IOCTL_ARGS);
extern int drm_addbufs_ioctl(DRM_IOCTL_ARGS);
extern int drm_infobufs(DRM_IOCTL_ARGS);
extern int drm_markbufs(DRM_IOCTL_ARGS);
extern int drm_freebufs(DRM_IOCTL_ARGS);
extern int drm_mapbufs(DRM_IOCTL_ARGS);
/* DMA support (drm_dma.c) */
extern int drm_dma(DRM_IOCTL_ARGS);
/* IRQ support (drm_irq.c) */
extern int drm_control(DRM_IOCTL_ARGS);
extern int drm_wait_vblank(DRM_IOCTL_ARGS);
/* AGP/GART support (drm_agpsupport.c) */
extern int drm_agp_acquire(DRM_IOCTL_ARGS);
extern int drm_agp_release(DRM_IOCTL_ARGS);
extern int drm_agp_enable(DRM_IOCTL_ARGS);
extern int drm_agp_info(DRM_IOCTL_ARGS);
extern int drm_agp_alloc(DRM_IOCTL_ARGS);
extern int drm_agp_free(DRM_IOCTL_ARGS);
extern int drm_agp_unbind(DRM_IOCTL_ARGS);
extern int drm_agp_bind(DRM_IOCTL_ARGS);
/* Scatter Gather Support (drm_scatter.c) */
extern int drm_sg_alloc(DRM_IOCTL_ARGS);
extern int drm_sg_free(DRM_IOCTL_ARGS);
extern int drm_debug_flag;
#define MAX_INSTNUMS 16
extern int drm_attach(drm_softstate_t *);
extern int drm_detach(drm_softstate_t *);
extern int drm_pci_init(drm_softstate_t *);
extern void drm_pci_end(drm_softstate_t *);
extern int pci_get_info(drm_softstate_t *, int *, int *, int *);
extern int pci_get_irq(drm_softstate_t *);
extern int pci_get_vendor(drm_softstate_t *);
extern int pci_get_device(drm_softstate_t *);
void drm_set_ioctl_desc(int, drm_ioctl_t *, int, int, char *);
extern void set_bit(int, volatile void *);
extern void clear_bit(int, volatile void *);
extern int test_and_set_bit(int, volatile void *);
extern int test_and_clear_bit(int, volatile void *);
extern int find_first_zero_bit(void *, unsigned);
extern int atomic_cmpset_int(volatile unsigned int *, unsigned int,
unsigned int);
/* File Operations helpers (drm_fops.c) */
#endif /* _DRMP_H */