diff --git a/sys/dev/drm2/drmP.h b/sys/dev/drm2/drmP.h index 508fc3099179..51f407c14a94 100644 --- a/sys/dev/drm2/drmP.h +++ b/sys/dev/drm2/drmP.h @@ -1,1818 +1,1951 @@ /** * \file drmP.h * Private header for Direct Rendering Manager * * \author Rickard E. (Rik) Faith * \author Gareth Hughes */ /* * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas. * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. * Copyright (c) 2009-2010, Code Aurora Forum. * 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, * 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 * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS 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. */ #include __FBSDID("$FreeBSD$"); #ifndef _DRM_P_H_ #define _DRM_P_H_ #if defined(_KERNEL) || defined(__KERNEL__) #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #if defined(__i386__) || defined(__amd64__) #include #endif #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #if defined(CONFIG_AGP) || (defined(CONFIG_AGP_MODULE) && defined(MODULE)) #define __OS_HAS_AGP 1 #else #define __OS_HAS_AGP 0 #endif #if defined(CONFIG_MTRR) #define __OS_HAS_MTRR 1 #else #define __OS_HAS_MTRR 0 #endif struct drm_file; struct drm_device; #include #include #include "opt_compat.h" #include "opt_drm.h" #include "opt_syscons.h" #ifdef DRM_DEBUG #undef DRM_DEBUG #define DRM_DEBUG_DEFAULT_ON 1 #endif /* DRM_DEBUG */ #define DRM_DEBUGBITS_DEBUG 0x1 #define DRM_DEBUGBITS_KMS 0x2 #define DRM_DEBUGBITS_FAILED_IOCTL 0x4 #undef DRM_LINUX #define DRM_LINUX 0 /***********************************************************************/ /** \name DRM template customization defaults */ /*@{*/ /* driver capabilities and requirements mask */ #define DRIVER_USE_AGP 0x1 #define DRIVER_REQUIRE_AGP 0x2 #define DRIVER_USE_MTRR 0x4 #define DRIVER_PCI_DMA 0x8 #define DRIVER_SG 0x10 #define DRIVER_HAVE_DMA 0x20 #define DRIVER_HAVE_IRQ 0x40 #define DRIVER_IRQ_SHARED 0x80 #define DRIVER_IRQ_VBL 0x100 #define DRIVER_DMA_QUEUE 0x200 #define DRIVER_FB_DMA 0x400 #define DRIVER_IRQ_VBL2 0x800 #define DRIVER_GEM 0x1000 #define DRIVER_MODESET 0x2000 #define DRIVER_PRIME 0x4000 #define DRIVER_BUS_PCI 0x1 #define DRIVER_BUS_PLATFORM 0x2 #define DRIVER_BUS_USB 0x3 /***********************************************************************/ /** \name Begin the DRM... */ /*@{*/ #define DRM_DEBUG_CODE 2 /**< Include debugging code if > 1, then also include looping detection. */ #define DRM_MAGIC_HASH_ORDER 4 /**< Size of key hash table. Must be power of 2. */ #define DRM_KERNEL_CONTEXT 0 /**< Change drm_resctx if changed */ #define DRM_RESERVED_CONTEXTS 1 /**< Change drm_resctx if changed */ #define DRM_LOOPING_LIMIT 5000000 #define DRM_TIME_SLICE (HZ/20) /**< Time slice for GLXContexts */ #define DRM_LOCK_SLICE 1 /**< Time slice for lock, in jiffies */ #define DRM_FLAG_DEBUG 0x01 #define DRM_MAX_CTXBITMAP (PAGE_SIZE * 8) #define DRM_MAP_HASH_OFFSET 0x10000000 /*@}*/ /***********************************************************************/ /** \name Macros to make printk easier */ /*@{*/ /** * Error output. * * \param fmt printf() like format string. * \param arg arguments */ #define DRM_ERROR(fmt, ...) \ printf("error: [" DRM_NAME ":pid%d:%s] *ERROR* " fmt, \ DRM_CURRENTPID, __func__ , ##__VA_ARGS__) #define DRM_WARNING(fmt, ...) printf("warning: [" DRM_NAME "] " fmt , ##__VA_ARGS__) #define DRM_INFO(fmt, ...) printf("info: [" DRM_NAME "] " fmt , ##__VA_ARGS__) /** * Debug output. * * \param fmt printf() like format string. * \param arg arguments */ #define DRM_DEBUG(fmt, ...) do { \ if ((drm_debug & DRM_DEBUGBITS_DEBUG) != 0) \ printf("[" DRM_NAME ":pid%d:%s] " fmt, DRM_CURRENTPID, \ __func__ , ##__VA_ARGS__); \ } while (0) #define DRM_DEBUG_DRIVER(fmt, ...) do { \ if ((drm_debug & DRM_DEBUGBITS_KMS) != 0) \ printf("[" DRM_NAME ":KMS:pid%d:%s] " fmt, DRM_CURRENTPID,\ __func__ , ##__VA_ARGS__); \ } while (0) #define DRM_DEBUG_KMS(fmt, ...) do { \ if ((drm_debug & DRM_DEBUGBITS_KMS) != 0) \ printf("[" DRM_NAME ":KMS:pid%d:%s] " fmt, DRM_CURRENTPID,\ __func__ , ##__VA_ARGS__); \ } while (0) #define DRM_LOG(fmt, ...) do { \ if ((drm_debug & DRM_DEBUGBITS_KMS) != 0) \ printf("[" DRM_NAME "]:pid%d:%s]" fmt, DRM_CURRENTPID, \ __func__ , ##__VA_ARGS__); \ } while (0) #define DRM_LOG_KMS(fmt, ...) do { \ if ((drm_debug & DRM_DEBUGBITS_KMS) != 0) \ printf("[" DRM_NAME "]:KMS:pid%d:%s]" fmt, DRM_CURRENTPID,\ __func__ , ##__VA_ARGS__); \ } while (0) #define DRM_LOG_MODE(fmt, ...) do { \ if ((drm_debug & DRM_DEBUGBITS_KMS) != 0) \ printf("[" DRM_NAME "]:pid%d:%s]" fmt, DRM_CURRENTPID, \ __func__ , ##__VA_ARGS__); \ } while (0) #define DRM_LOG_DRIVER(fmt, ...) do { \ if ((drm_debug & DRM_DEBUGBITS_KMS) != 0) \ printf("[" DRM_NAME "]:KMS:pid%d:%s]" fmt, DRM_CURRENTPID,\ __func__ , ##__VA_ARGS__); \ } while (0) /*@}*/ /***********************************************************************/ /** \name Internal types and structures */ /*@{*/ #define DRM_ARRAY_SIZE(x) ARRAY_SIZE(x) #define DRM_LEFTCOUNT(x) (((x)->rp + (x)->count - (x)->wp) % ((x)->count + 1)) #define DRM_BUFCOUNT(x) ((x)->count - DRM_LEFTCOUNT(x)) #define DRM_IF_VERSION(maj, min) (maj << 16 | min) /** * Test that the hardware lock is held by the caller, returning otherwise. * * \param dev DRM device. * \param filp file pointer of the caller. */ #define LOCK_TEST_WITH_RETURN( dev, _file_priv ) \ do { \ if (!_DRM_LOCK_IS_HELD(_file_priv->master->lock.hw_lock->lock) || \ _file_priv->master->lock.file_priv != _file_priv) { \ DRM_ERROR( "%s called without lock held, held %d owner %p %p\n",\ __func__, _DRM_LOCK_IS_HELD(_file_priv->master->lock.hw_lock->lock),\ _file_priv->master->lock.file_priv, _file_priv); \ return -EINVAL; \ } \ } while (0) /** * Ioctl function type. * * \param inode device inode. * \param file_priv DRM file private pointer. * \param cmd command. * \param arg argument. */ typedef int drm_ioctl_t(struct drm_device *dev, void *data, struct drm_file *file_priv); #define DRM_IOCTL_NR(n) ((n) & 0xff) #define DRM_MAJOR 226 #define DRM_AUTH 0x1 #define DRM_MASTER 0x2 #define DRM_ROOT_ONLY 0x4 #define DRM_CONTROL_ALLOW 0x8 #define DRM_UNLOCKED 0x10 struct drm_ioctl_desc { unsigned long cmd; int flags; drm_ioctl_t *func; unsigned int cmd_drv; }; /** * Creates a driver or general drm_ioctl_desc array entry for the given * ioctl, for use by drm_ioctl(). */ #define DRM_IOCTL_DEF(ioctl, _func, _flags) \ [DRM_IOCTL_NR(ioctl)] = {.cmd = ioctl, .func = _func, .flags = _flags, .cmd_drv = 0} #define DRM_IOCTL_DEF_DRV(ioctl, _func, _flags) \ [DRM_IOCTL_NR(DRM_##ioctl)] = {.cmd = DRM_##ioctl, .func = _func, .flags = _flags, .cmd_drv = DRM_IOCTL_##ioctl} struct drm_magic_entry { struct list_head head; struct drm_hash_item hash_item; struct drm_file *priv; }; /** * DMA buffer. */ 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 */ struct drm_buf *next; /**< Kernel-only: used for free list */ __volatile__ int waiting; /**< On kernel DMA queue */ __volatile__ int pending; /**< On hardware DMA queue */ struct drm_file *file_priv; /**< Private of holding file descr */ int context; /**< Kernel queue for this buffer */ int while_locked; /**< Dispatch this buffer while locked */ 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 storage */ void *dev_private; /**< Per-buffer private storage */ }; struct drm_freelist { int initialized; /**< Freelist in use */ atomic_t count; /**< Number of free buffers */ struct drm_buf *next; /**< End pointer */ #ifdef FREEBSD_NOTYET wait_queue_head_t waiting; /**< Processes waiting on free bufs */ #endif /* defined(FREEBSD_NOTYET) */ int low_mark; /**< Low water mark */ int high_mark; /**< High water mark */ #ifdef FREEBSD_NOTYET atomic_t wfh; /**< If waiting for high mark */ spinlock_t lock; #endif /* defined(FREEBSD_NOTYET) */ }; typedef struct drm_dma_handle { void *vaddr; bus_addr_t busaddr; bus_dma_tag_t tag; bus_dmamap_t map; } drm_dma_handle_t; /** * Buffer entry. There is one of this for each buffer size order. */ struct drm_buf_entry { int buf_size; /**< size */ int buf_count; /**< number of buffers */ struct drm_buf *buflist; /**< buffer list */ int seg_count; int page_order; struct drm_dma_handle **seglist; struct drm_freelist freelist; }; /* Event queued up for userspace to read */ struct drm_pending_event { struct drm_event *event; struct list_head link; struct drm_file *file_priv; pid_t pid; /* pid of requester, no guarantee it's valid by the time we deliver the event, for tracing only */ void (*destroy)(struct drm_pending_event *event); }; /* initial implementaton using a linked list - todo hashtab */ struct drm_prime_file_private { struct list_head head; struct mtx lock; }; struct drm_file { int authenticated; pid_t pid; uid_t uid; drm_magic_t magic; unsigned long ioctl_count; struct list_head lhead; struct drm_minor *minor; unsigned long lock_count; void *driver_priv; struct drm_gem_names object_names; int is_master; /* this file private is a master for a minor */ struct drm_master *master; /* master this node is currently associated with N.B. not always minor->master */ struct list_head fbs; struct selinfo event_poll; struct list_head event_list; int event_space; struct drm_prime_file_private prime; }; /** * Lock data. */ struct drm_lock_data { struct drm_hw_lock *hw_lock; /**< Hardware lock */ /** Private of lock holder's file (NULL=kernel) */ struct drm_file *file_priv; wait_queue_head_t lock_queue; /**< Queue of blocked processes */ unsigned long lock_time; /**< Time of last lock in jiffies */ struct mtx spinlock; uint32_t kernel_waiters; uint32_t user_waiters; int idle_has_lock; }; /** * DMA data. */ struct drm_device_dma { struct drm_buf_entry bufs[DRM_MAX_ORDER + 1]; /**< buffers, grouped by their size order */ int buf_count; /**< total number of buffers */ struct drm_buf **buflist; /**< Vector of pointers into drm_device_dma::bufs */ int seg_count; int page_count; /**< number of pages */ unsigned long *pagelist; /**< page list */ unsigned long byte_count; enum { _DRM_DMA_USE_AGP = 0x01, _DRM_DMA_USE_SG = 0x02, _DRM_DMA_USE_FB = 0x04, _DRM_DMA_USE_PCI_RO = 0x08 } flags; }; /** * AGP memory entry. Stored as a doubly linked list. */ struct drm_agp_mem { unsigned long handle; /**< handle */ DRM_AGP_MEM *memory; unsigned long bound; /**< address */ int pages; struct list_head head; }; /** * AGP data. * * \sa drm_agp_init() and drm_device::agp. */ struct drm_agp_head { DRM_AGP_KERN agp_info; /**< AGP device information */ struct list_head memory; unsigned long mode; /**< AGP mode */ device_t bridge; int enabled; /**< whether the AGP bus as been enabled */ int acquired; /**< whether the AGP device has been acquired */ unsigned long base; int agp_mtrr; int cant_use_aperture; }; /** * Scatter-gather memory. */ struct drm_sg_mem { vm_offset_t vaddr; vm_paddr_t *busaddr; vm_pindex_t pages; }; struct drm_sigdata { int context; struct drm_hw_lock *lock; }; /** * Kernel side of a mapping */ #define DRM_MAP_HANDLE_BITS (sizeof(void *) == 4 ? 4 : 24) #define DRM_MAP_HANDLE_SHIFT (sizeof(void *) * 8 - DRM_MAP_HANDLE_BITS) struct drm_local_map { resource_size_t offset; /**< Requested physical address (0 for SAREA)*/ unsigned long size; /**< Requested physical size (bytes) */ enum drm_map_type type; /**< Type of memory to map */ enum drm_map_flags flags; /**< Flags */ void *handle; /**< User-space: "Handle" to pass to mmap() */ /**< Kernel-space: kernel-virtual address */ int mtrr; /**< MTRR slot used */ /* Private data */ drm_dma_handle_t *dmah; }; typedef struct drm_local_map drm_local_map_t; /** * Mappings list */ struct drm_map_list { struct list_head head; /**< list head */ struct drm_hash_item hash; struct drm_local_map *map; /**< mapping */ uint64_t user_token; struct drm_master *master; struct drm_mm_node *file_offset_node; /**< fake offset */ }; /** * Context handle list */ struct drm_ctx_list { struct list_head head; /**< list head */ drm_context_t handle; /**< context handle */ struct drm_file *tag; /**< associated fd private data */ }; /* location of GART table */ #define DRM_ATI_GART_MAIN 1 #define DRM_ATI_GART_FB 2 #define DRM_ATI_GART_PCI 1 #define DRM_ATI_GART_PCIE 2 #define DRM_ATI_GART_IGP 3 struct drm_ati_pcigart_info { int gart_table_location; int gart_reg_if; void *addr; dma_addr_t bus_addr; dma_addr_t table_mask; struct drm_dma_handle *table_handle; struct drm_local_map mapping; int table_size; struct drm_dma_handle *dmah; /* handle for ATI PCIGART table FIXME */ }; /** * GEM specific mm private for tracking GEM objects */ struct drm_gem_mm { struct unrhdr *idxunr; struct drm_open_hash offset_hash; /**< User token hash table for maps */ }; /** * This structure defines the drm_mm memory object, which will be used by the * DRM for its buffer objects. */ struct drm_gem_object { /** Reference count of this object */ u_int refcount; /** Handle count of this object. Each handle also holds a reference */ atomic_t handle_count; /* number of handles on this object */ /** Related drm device */ struct drm_device *dev; /** File representing the shmem storage: filp in Linux parlance */ vm_object_t vm_obj; /* Mapping info for this object */ bool on_map; struct drm_hash_item map_list; /** * Size of the object, in bytes. Immutable over the object's * lifetime. */ size_t size; /** * Global name for this object, starts at 1. 0 means unnamed. * Access is covered by the object_name_lock in the related drm_device */ int name; /** * Memory domains. These monitor which caches contain read/write data * related to the object. When transitioning from one set of domains * to another, the driver is called to ensure that caches are suitably * flushed and invalidated */ uint32_t read_domains; uint32_t write_domain; /** * While validating an exec operation, the * new read/write domain values are computed here. * They will be transferred to the above values * at the point that any cache flushing occurs */ uint32_t pending_read_domains; uint32_t pending_write_domain; void *driver_private; #ifdef FREEBSD_NOTYET /* dma buf exported from this GEM object */ struct dma_buf *export_dma_buf; /* dma buf attachment backing this object */ struct dma_buf_attachment *import_attach; #endif /* FREEBSD_NOTYET */ }; #include /* per-master structure */ struct drm_master { u_int refcount; /* refcount for this master */ struct list_head head; /**< each minor contains a list of masters */ struct drm_minor *minor; /**< link back to minor we are a master for */ char *unique; /**< Unique identifier: e.g., busid */ int unique_len; /**< Length of unique field */ int unique_size; /**< amount allocated */ int blocked; /**< Blocked due to VC switch? */ /** \name Authentication */ /*@{ */ struct drm_open_hash magiclist; struct list_head magicfree; /*@} */ struct drm_lock_data lock; /**< Information on hardware lock */ void *driver_priv; /**< Private structure for driver to use */ }; /* Size of ringbuffer for vblank timestamps. Just double-buffer * in initial implementation. */ #define DRM_VBLANKTIME_RBSIZE 2 /* Flags and return codes for get_vblank_timestamp() driver function. */ #define DRM_CALLED_FROM_VBLIRQ 1 #define DRM_VBLANKTIME_SCANOUTPOS_METHOD (1 << 0) #define DRM_VBLANKTIME_INVBL (1 << 1) /* get_scanout_position() return flags */ #define DRM_SCANOUTPOS_VALID (1 << 0) #define DRM_SCANOUTPOS_INVBL (1 << 1) #define DRM_SCANOUTPOS_ACCURATE (1 << 2) struct drm_bus { int bus_type; int (*get_irq)(struct drm_device *dev); void (*free_irq)(struct drm_device *dev); const char *(*get_name)(struct drm_device *dev); int (*set_busid)(struct drm_device *dev, struct drm_master *master); int (*set_unique)(struct drm_device *dev, struct drm_master *master, struct drm_unique *unique); int (*irq_by_busid)(struct drm_device *dev, struct drm_irq_busid *p); /* hooks that are for PCI */ int (*agp_init)(struct drm_device *dev); }; /** * DRM driver structure. This structure represent the common code for * a family of cards. There will one drm_device for each card present * in this family */ struct drm_driver { int (*load) (struct drm_device *, unsigned long flags); int (*firstopen) (struct drm_device *); int (*open) (struct drm_device *, struct drm_file *); void (*preclose) (struct drm_device *, struct drm_file *file_priv); void (*postclose) (struct drm_device *, struct drm_file *); void (*lastclose) (struct drm_device *); int (*unload) (struct drm_device *); int (*suspend) (struct drm_device *, pm_message_t state); int (*resume) (struct drm_device *); int (*dma_ioctl) (struct drm_device *dev, void *data, struct drm_file *file_priv); int (*dma_quiescent) (struct drm_device *); int (*context_dtor) (struct drm_device *dev, int context); /** * get_vblank_counter - get raw hardware vblank counter * @dev: DRM device * @crtc: counter to fetch * * Driver callback for fetching a raw hardware vblank counter for @crtc. * If a device doesn't have a hardware counter, the driver can simply * return the value of drm_vblank_count. The DRM core will account for * missed vblank events while interrupts where disabled based on system * timestamps. * * Wraparound handling and loss of events due to modesetting is dealt * with in the DRM core code. * * RETURNS * Raw vblank counter value. */ u32 (*get_vblank_counter) (struct drm_device *dev, int crtc); /** * enable_vblank - enable vblank interrupt events * @dev: DRM device * @crtc: which irq to enable * * Enable vblank interrupts for @crtc. If the device doesn't have * a hardware vblank counter, this routine should be a no-op, since * interrupts will have to stay on to keep the count accurate. * * RETURNS * Zero on success, appropriate errno if the given @crtc's vblank * interrupt cannot be enabled. */ int (*enable_vblank) (struct drm_device *dev, int crtc); /** * disable_vblank - disable vblank interrupt events * @dev: DRM device * @crtc: which irq to enable * * Disable vblank interrupts for @crtc. If the device doesn't have * a hardware vblank counter, this routine should be a no-op, since * interrupts will have to stay on to keep the count accurate. */ void (*disable_vblank) (struct drm_device *dev, int crtc); /** * Called by \c drm_device_is_agp. Typically used to determine if a * card is really attached to AGP or not. * * \param dev DRM device handle * * \returns * One of three values is returned depending on whether or not the * card is absolutely \b not AGP (return of 0), absolutely \b is AGP * (return of 1), or may or may not be AGP (return of 2). */ int (*device_is_agp) (struct drm_device *dev); /** * Called by vblank timestamping code. * * Return the current display scanout position from a crtc. * * \param dev DRM device. * \param crtc Id of the crtc to query. * \param *vpos Target location for current vertical scanout position. * \param *hpos Target location for current horizontal scanout position. * * Returns vpos as a positive number while in active scanout area. * Returns vpos as a negative number inside vblank, counting the number * of scanlines to go until end of vblank, e.g., -1 means "one scanline * until start of active scanout / end of vblank." * * \return Flags, or'ed together as follows: * * DRM_SCANOUTPOS_VALID = Query successful. * DRM_SCANOUTPOS_INVBL = Inside vblank. * DRM_SCANOUTPOS_ACCURATE = Returned position is accurate. A lack of * this flag means that returned position may be offset by a constant * but unknown small number of scanlines wrt. real scanout position. * */ int (*get_scanout_position) (struct drm_device *dev, int crtc, int *vpos, int *hpos); /** * Called by \c drm_get_last_vbltimestamp. Should return a precise * timestamp when the most recent VBLANK interval ended or will end. * * Specifically, the timestamp in @vblank_time should correspond as * closely as possible to the time when the first video scanline of * the video frame after the end of VBLANK will start scanning out, * the time immediately after end of the VBLANK interval. If the * @crtc is currently inside VBLANK, this will be a time in the future. * If the @crtc is currently scanning out a frame, this will be the * past start time of the current scanout. This is meant to adhere * to the OpenML OML_sync_control extension specification. * * \param dev dev DRM device handle. * \param crtc crtc for which timestamp should be returned. * \param *max_error Maximum allowable timestamp error in nanoseconds. * Implementation should strive to provide timestamp * with an error of at most *max_error nanoseconds. * Returns true upper bound on error for timestamp. * \param *vblank_time Target location for returned vblank timestamp. * \param flags 0 = Defaults, no special treatment needed. * \param DRM_CALLED_FROM_VBLIRQ = Function is called from vblank * irq handler. Some drivers need to apply some workarounds * for gpu-specific vblank irq quirks if flag is set. * * \returns * Zero if timestamping isn't supported in current display mode or a * negative number on failure. A positive status code on success, * which describes how the vblank_time timestamp was computed. */ int (*get_vblank_timestamp) (struct drm_device *dev, int crtc, int *max_error, struct timeval *vblank_time, unsigned flags); /* these have to be filled in */ irqreturn_t(*irq_handler) (DRM_IRQ_ARGS); void (*irq_preinstall) (struct drm_device *dev); int (*irq_postinstall) (struct drm_device *dev); void (*irq_uninstall) (struct drm_device *dev); void (*set_version) (struct drm_device *dev, struct drm_set_version *sv); /* Master routines */ int (*master_create)(struct drm_device *dev, struct drm_master *master); void (*master_destroy)(struct drm_device *dev, struct drm_master *master); /** * master_set is called whenever the minor master is set. * master_drop is called whenever the minor master is dropped. */ int (*master_set)(struct drm_device *dev, struct drm_file *file_priv, bool from_open); void (*master_drop)(struct drm_device *dev, struct drm_file *file_priv, bool from_release); /** * Driver-specific constructor for drm_gem_objects, to set up * obj->driver_private. * * Returns 0 on success. */ int (*gem_init_object) (struct drm_gem_object *obj); void (*gem_free_object) (struct drm_gem_object *obj); int (*gem_open_object) (struct drm_gem_object *, struct drm_file *); void (*gem_close_object) (struct drm_gem_object *, struct drm_file *); #ifdef FREEBSD_NOTYET /* prime: */ /* export handle -> fd (see drm_gem_prime_handle_to_fd() helper) */ int (*prime_handle_to_fd)(struct drm_device *dev, struct drm_file *file_priv, uint32_t handle, uint32_t flags, int *prime_fd); /* import fd -> handle (see drm_gem_prime_fd_to_handle() helper) */ int (*prime_fd_to_handle)(struct drm_device *dev, struct drm_file *file_priv, int prime_fd, uint32_t *handle); /* export GEM -> dmabuf */ struct dma_buf * (*gem_prime_export)(struct drm_device *dev, struct drm_gem_object *obj, int flags); /* import dmabuf -> GEM */ struct drm_gem_object * (*gem_prime_import)(struct drm_device *dev, struct dma_buf *dma_buf); #endif /* defined(FREEBSD_NOTYET) */ /* dumb alloc support */ int (*dumb_create)(struct drm_file *file_priv, struct drm_device *dev, struct drm_mode_create_dumb *args); int (*dumb_map_offset)(struct drm_file *file_priv, struct drm_device *dev, uint32_t handle, uint64_t *offset); int (*dumb_destroy)(struct drm_file *file_priv, struct drm_device *dev, uint32_t handle); /* Driver private ops for this object */ struct cdev_pager_ops *gem_pager_ops; int (*sysctl_init)(struct drm_device *dev, struct sysctl_ctx_list *ctx, struct sysctl_oid *top); void (*sysctl_cleanup)(struct drm_device *dev); int major; int minor; int patchlevel; char *name; char *desc; char *date; u32 driver_features; int dev_priv_size; struct drm_ioctl_desc *ioctls; int num_ioctls; struct drm_bus *bus; #ifdef COMPAT_FREEBSD32 struct drm_ioctl_desc *compat_ioctls; int *num_compat_ioctls; #endif int buf_priv_size; }; #define DRM_MINOR_UNASSIGNED 0 #define DRM_MINOR_LEGACY 1 #define DRM_MINOR_CONTROL 2 #define DRM_MINOR_RENDER 3 /** * DRM minor structure. This structure represents a drm minor number. */ struct drm_minor { int index; /**< Minor device number */ int type; /**< Control or render */ struct cdev *device; /**< Device number for mknod */ device_t kdev; /**< OS device */ struct drm_device *dev; struct drm_master *master; /* currently active master for this node */ struct list_head master_list; struct drm_mode_group mode_group; struct sigio *buf_sigio; /* Processes waiting for SIGIO */ }; /* mode specified on the command line */ struct drm_cmdline_mode { bool specified; bool refresh_specified; bool bpp_specified; int xres, yres; int bpp; int refresh; bool rb; bool interlace; bool cvt; bool margins; enum drm_connector_force force; }; struct drm_pending_vblank_event { struct drm_pending_event base; int pipe; struct drm_event_vblank event; }; /** * DRM device structure. This structure represent a complete card that * may contain multiple heads. */ struct drm_device { int if_version; /**< Highest interface version set */ /** \name Locks */ /*@{ */ struct mtx count_lock; /**< For inuse, drm_device::open_count, drm_device::buf_use */ struct sx dev_struct_lock; /**< For others */ /*@} */ /** \name Usage Counters */ /*@{ */ int open_count; /**< Outstanding files open */ atomic_t ioctl_count; /**< Outstanding IOCTLs pending */ atomic_t vma_count; /**< Outstanding vma areas open */ int buf_use; /**< Buffers in use -- cannot alloc */ atomic_t buf_alloc; /**< Buffer allocation in progress */ /*@} */ /** \name Performance counters */ /*@{ */ unsigned long counters; enum drm_stat_type types[15]; atomic_t counts[15]; /*@} */ struct list_head filelist; /** \name Memory management */ /*@{ */ struct list_head maplist; /**< Linked list of regions */ int map_count; /**< Number of mappable regions */ struct drm_open_hash map_hash; /**< User token hash table for maps */ /** \name Context handle management */ /*@{ */ struct list_head ctxlist; /**< Linked list of context handles */ int ctx_count; /**< Number of context handles */ struct mtx ctxlist_mutex; /**< For ctxlist */ drm_local_map_t **context_sareas; int max_context; unsigned long *ctx_bitmap; /*@} */ /** \name DMA support */ /*@{ */ struct drm_device_dma *dma; /**< Optional pointer for DMA support */ /*@} */ /** \name Context support */ /*@{ */ int irq_enabled; /**< True if irq handler is enabled */ atomic_t context_flag; /**< Context swapping flag */ atomic_t interrupt_flag; /**< Interruption handler flag */ atomic_t dma_flag; /**< DMA dispatch flag */ wait_queue_head_t context_wait; /**< Processes waiting on ctx switch */ int last_checked; /**< Last context checked for DMA */ int last_context; /**< Last current context */ unsigned long last_switch; /**< jiffies at last context switch */ /*@} */ /** \name VBLANK IRQ support */ /*@{ */ /* * At load time, disabling the vblank interrupt won't be allowed since * old clients may not call the modeset ioctl and therefore misbehave. * Once the modeset ioctl *has* been called though, we can safely * disable them when unused. */ int vblank_disable_allowed; atomic_t *_vblank_count; /**< number of VBLANK interrupts (driver must alloc the right number of counters) */ struct timeval *_vblank_time; /**< timestamp of current vblank_count (drivers must alloc right number of fields) */ struct mtx vblank_time_lock; /**< Protects vblank count and time updates during vblank enable/disable */ struct mtx vbl_lock; atomic_t *vblank_refcount; /* number of users of vblank interruptsper crtc */ u32 *last_vblank; /* protected by dev->vbl_lock, used */ /* for wraparound handling */ int *vblank_enabled; /* so we don't call enable more than once per disable */ int *vblank_inmodeset; /* Display driver is setting mode */ u32 *last_vblank_wait; /* Last vblank seqno waited per CRTC */ struct callout vblank_disable_callout; u32 max_vblank_count; /**< size of vblank counter register */ /** * List of events */ struct list_head vblank_event_list; struct mtx event_lock; /*@} */ struct drm_agp_head *agp; /**< AGP data */ device_t dev; /* Device instance from newbus */ uint16_t pci_device; /* PCI device id */ uint16_t pci_vendor; /* PCI vendor id */ uint16_t pci_subdevice; /* PCI subsystem device id */ uint16_t pci_subvendor; /* PCI subsystem vendor id */ struct drm_sg_mem *sg; /**< Scatter gather memory */ unsigned int num_crtcs; /**< Number of CRTCs on this device */ void *dev_private; /**< device private data */ void *mm_private; struct drm_sigdata sigdata; /**< For block_all_signals */ sigset_t sigmask; struct drm_driver *driver; struct drm_local_map *agp_buffer_map; unsigned int agp_buffer_token; struct drm_minor *control; /**< Control node for card */ struct drm_minor *primary; /**< render type primary screen head */ struct drm_mode_config mode_config; /**< Current mode config */ /** \name GEM information */ /*@{ */ struct sx object_name_lock; struct drm_gem_names object_names; /*@} */ int switch_power_state; atomic_t unplugged; /* device has been unplugged or gone away */ /* Locks */ struct mtx dma_lock; /* protects dev->dma */ struct mtx irq_lock; /* protects irq condition checks */ /* Context support */ int irq; /* Interrupt used by board */ int msi_enabled; /* MSI enabled */ int irqrid; /* Interrupt used by board */ struct resource *irqr; /* Resource for interrupt used by board */ void *irqh; /* Handle from bus_setup_intr */ /* Storage of resource pointers for drm_get_resource_* */ #define DRM_MAX_PCI_RESOURCE 6 struct resource *pcir[DRM_MAX_PCI_RESOURCE]; int pcirid[DRM_MAX_PCI_RESOURCE]; struct mtx pcir_lock; int pci_domain; int pci_bus; int pci_slot; int pci_func; /* Sysctl support */ struct drm_sysctl_info *sysctl; int sysctl_node_idx; void *drm_ttm_bdev; void *sysctl_private; char busid_str[128]; int modesetting; const drm_pci_id_list_t *id_entry; /* PCI ID, name, and chipset private */ }; #define DRM_SWITCH_POWER_ON 0 #define DRM_SWITCH_POWER_OFF 1 #define DRM_SWITCH_POWER_CHANGING 2 static __inline__ int drm_core_check_feature(struct drm_device *dev, int feature) { return ((dev->driver->driver_features & feature) ? 1 : 0); } static inline int drm_dev_to_irq(struct drm_device *dev) { return dev->driver->bus->get_irq(dev); } #if __OS_HAS_AGP static inline int drm_core_has_AGP(struct drm_device *dev) { return drm_core_check_feature(dev, DRIVER_USE_AGP); } #else #define drm_core_has_AGP(dev) (0) #endif #if __OS_HAS_MTRR static inline int drm_core_has_MTRR(struct drm_device *dev) { return drm_core_check_feature(dev, DRIVER_USE_MTRR); } #define DRM_MTRR_WC MDF_WRITECOMBINE int drm_mtrr_add(unsigned long offset, unsigned long size, unsigned int flags); int drm_mtrr_del(int handle, unsigned long offset, unsigned long size, unsigned int flags); #else #define drm_core_has_MTRR(dev) (0) #define DRM_MTRR_WC 0 static inline int drm_mtrr_add(unsigned long offset, unsigned long size, unsigned int flags) { return 0; } static inline int drm_mtrr_del(int handle, unsigned long offset, unsigned long size, unsigned int flags) { return 0; } #endif /******************************************************************/ /** \name Internal function definitions */ /*@{*/ /* Driver support (drm_drv.h) */ d_ioctl_t drm_ioctl; extern int drm_lastclose(struct drm_device *dev); /* Device support (drm_fops.h) */ extern struct sx drm_global_mutex; d_open_t drm_open; d_read_t drm_read; extern void drm_release(void *data); /* Mapping support (drm_vm.h) */ d_mmap_t drm_mmap; int drm_mmap_single(struct cdev *kdev, vm_ooffset_t *offset, vm_size_t size, struct vm_object **obj_res, int nprot); d_poll_t drm_poll; - /* Memory management support (drm_memory.h) */ -extern void drm_free_agp(DRM_AGP_MEM * handle, int pages); -extern int drm_bind_agp(DRM_AGP_MEM * handle, unsigned int start); -#ifdef FREEBSD_NOTYET -extern DRM_AGP_MEM *drm_agp_bind_pages(struct drm_device *dev, - struct page **pages, - unsigned long num_pages, - uint32_t gtt_offset, - uint32_t type); -#endif /* FREEBSD_NOTYET */ -extern int drm_unbind_agp(DRM_AGP_MEM * handle); /* Misc. IOCTL support (drm_ioctl.h) */ extern int drm_irq_by_busid(struct drm_device *dev, void *data, struct drm_file *file_priv); extern int drm_getunique(struct drm_device *dev, void *data, struct drm_file *file_priv); extern int drm_setunique(struct drm_device *dev, void *data, struct drm_file *file_priv); extern int drm_getmap(struct drm_device *dev, void *data, struct drm_file *file_priv); extern int drm_getclient(struct drm_device *dev, void *data, struct drm_file *file_priv); extern int drm_getstats(struct drm_device *dev, void *data, struct drm_file *file_priv); extern int drm_getcap(struct drm_device *dev, void *data, struct drm_file *file_priv); extern int drm_setversion(struct drm_device *dev, void *data, struct drm_file *file_priv); extern int drm_noop(struct drm_device *dev, void *data, struct drm_file *file_priv); /* Context IOCTL support (drm_context.h) */ extern int drm_resctx(struct drm_device *dev, void *data, struct drm_file *file_priv); extern int drm_addctx(struct drm_device *dev, void *data, struct drm_file *file_priv); extern int drm_modctx(struct drm_device *dev, void *data, struct drm_file *file_priv); extern int drm_getctx(struct drm_device *dev, void *data, struct drm_file *file_priv); extern int drm_switchctx(struct drm_device *dev, void *data, struct drm_file *file_priv); extern int drm_newctx(struct drm_device *dev, void *data, struct drm_file *file_priv); extern int drm_rmctx(struct drm_device *dev, void *data, struct drm_file *file_priv); extern int drm_ctxbitmap_init(struct drm_device *dev); extern void drm_ctxbitmap_cleanup(struct drm_device *dev); extern void drm_ctxbitmap_free(struct drm_device *dev, int ctx_handle); extern int drm_setsareactx(struct drm_device *dev, void *data, struct drm_file *file_priv); extern int drm_getsareactx(struct drm_device *dev, void *data, struct drm_file *file_priv); /* Authentication IOCTL support (drm_auth.h) */ extern int drm_getmagic(struct drm_device *dev, void *data, struct drm_file *file_priv); extern int drm_authmagic(struct drm_device *dev, void *data, struct drm_file *file_priv); extern int drm_remove_magic(struct drm_master *master, drm_magic_t magic); /* Cache management (drm_cache.c) */ void drm_clflush_pages(vm_page_t *pages, unsigned long num_pages); void drm_clflush_virt_range(char *addr, unsigned long length); /* Locking IOCTL support (drm_lock.h) */ extern int drm_lock(struct drm_device *dev, void *data, struct drm_file *file_priv); extern int drm_unlock(struct drm_device *dev, void *data, struct drm_file *file_priv); extern int drm_lock_free(struct drm_lock_data *lock_data, unsigned int context); extern void drm_idlelock_take(struct drm_lock_data *lock_data); extern void drm_idlelock_release(struct drm_lock_data *lock_data); /* * These are exported to drivers so that they can implement fencing using * DMA quiscent + idle. DMA quiescent usually requires the hardware lock. */ extern int drm_i_have_hw_lock(struct drm_device *dev, struct drm_file *file_priv); /* Buffer management support (drm_bufs.h) */ extern int drm_addbufs_agp(struct drm_device *dev, struct drm_buf_desc * request); extern int drm_addbufs_pci(struct drm_device *dev, struct drm_buf_desc * request); extern int drm_addmap(struct drm_device *dev, resource_size_t offset, unsigned int size, enum drm_map_type type, enum drm_map_flags flags, struct drm_local_map **map_ptr); extern int drm_addmap_ioctl(struct drm_device *dev, void *data, struct drm_file *file_priv); extern int drm_rmmap(struct drm_device *dev, struct drm_local_map *map); extern int drm_rmmap_locked(struct drm_device *dev, struct drm_local_map *map); extern int drm_rmmap_ioctl(struct drm_device *dev, void *data, struct drm_file *file_priv); extern int drm_addbufs(struct drm_device *dev, void *data, struct drm_file *file_priv); extern int drm_infobufs(struct drm_device *dev, void *data, struct drm_file *file_priv); extern int drm_markbufs(struct drm_device *dev, void *data, struct drm_file *file_priv); extern int drm_freebufs(struct drm_device *dev, void *data, struct drm_file *file_priv); extern int drm_mapbufs(struct drm_device *dev, void *data, struct drm_file *file_priv); extern int drm_order(unsigned long size); /* DMA support (drm_dma.h) */ extern int drm_dma_setup(struct drm_device *dev); extern void drm_dma_takedown(struct drm_device *dev); extern void drm_free_buffer(struct drm_device *dev, struct drm_buf * buf); extern void drm_core_reclaim_buffers(struct drm_device *dev, struct drm_file *filp); /* IRQ support (drm_irq.h) */ extern int drm_control(struct drm_device *dev, void *data, struct drm_file *file_priv); extern int drm_irq_install(struct drm_device *dev); extern int drm_irq_uninstall(struct drm_device *dev); extern int drm_vblank_init(struct drm_device *dev, int num_crtcs); extern int drm_wait_vblank(struct drm_device *dev, void *data, struct drm_file *filp); extern int drm_vblank_wait(struct drm_device *dev, unsigned int *vbl_seq); extern u32 drm_vblank_count(struct drm_device *dev, int crtc); extern u32 drm_vblank_count_and_time(struct drm_device *dev, int crtc, struct timeval *vblanktime); extern void drm_send_vblank_event(struct drm_device *dev, int crtc, struct drm_pending_vblank_event *e); extern bool drm_handle_vblank(struct drm_device *dev, int crtc); extern int drm_vblank_get(struct drm_device *dev, int crtc); extern void drm_vblank_put(struct drm_device *dev, int crtc); extern void drm_vblank_off(struct drm_device *dev, int crtc); extern void drm_vblank_cleanup(struct drm_device *dev); extern u32 drm_get_last_vbltimestamp(struct drm_device *dev, int crtc, struct timeval *tvblank, unsigned flags); extern int drm_calc_vbltimestamp_from_scanoutpos(struct drm_device *dev, int crtc, int *max_error, struct timeval *vblank_time, unsigned flags, struct drm_crtc *refcrtc); extern void drm_calc_timestamping_constants(struct drm_crtc *crtc); extern bool drm_mode_parse_command_line_for_connector(const char *mode_option, struct drm_connector *connector, struct drm_cmdline_mode *mode); extern struct drm_display_mode * drm_mode_create_from_cmdline_mode(struct drm_device *dev, struct drm_cmdline_mode *cmd); /* Modesetting support */ extern void drm_vblank_pre_modeset(struct drm_device *dev, int crtc); extern void drm_vblank_post_modeset(struct drm_device *dev, int crtc); extern int drm_modeset_ctl(struct drm_device *dev, void *data, struct drm_file *file_priv); - /* AGP/GART support (drm_agpsupport.h) */ -extern struct drm_agp_head *drm_agp_init(struct drm_device *dev); -extern int drm_agp_acquire(struct drm_device *dev); -extern int drm_agp_acquire_ioctl(struct drm_device *dev, void *data, - struct drm_file *file_priv); -extern int drm_agp_release(struct drm_device *dev); -extern int drm_agp_release_ioctl(struct drm_device *dev, void *data, - struct drm_file *file_priv); -extern int drm_agp_enable(struct drm_device *dev, struct drm_agp_mode mode); -extern int drm_agp_enable_ioctl(struct drm_device *dev, void *data, - struct drm_file *file_priv); -extern int drm_agp_info(struct drm_device *dev, struct drm_agp_info *info); -extern int drm_agp_info_ioctl(struct drm_device *dev, void *data, - struct drm_file *file_priv); -extern int drm_agp_alloc(struct drm_device *dev, struct drm_agp_buffer *request); -extern int drm_agp_alloc_ioctl(struct drm_device *dev, void *data, - struct drm_file *file_priv); -extern int drm_agp_free(struct drm_device *dev, struct drm_agp_buffer *request); -extern int drm_agp_free_ioctl(struct drm_device *dev, void *data, - struct drm_file *file_priv); -extern int drm_agp_unbind(struct drm_device *dev, struct drm_agp_binding *request); -extern int drm_agp_unbind_ioctl(struct drm_device *dev, void *data, - struct drm_file *file_priv); -extern int drm_agp_bind(struct drm_device *dev, struct drm_agp_binding *request); -extern int drm_agp_bind_ioctl(struct drm_device *dev, void *data, - struct drm_file *file_priv); /* Stub support (drm_stub.h) */ extern int drm_setmaster_ioctl(struct drm_device *dev, void *data, struct drm_file *file_priv); extern int drm_dropmaster_ioctl(struct drm_device *dev, void *data, struct drm_file *file_priv); struct drm_master *drm_master_create(struct drm_minor *minor); extern struct drm_master *drm_master_get(struct drm_master *master); extern void drm_master_put(struct drm_master **master); extern void drm_put_dev(struct drm_device *dev); extern int drm_put_minor(struct drm_minor **minor); extern void drm_unplug_dev(struct drm_device *dev); extern unsigned int drm_debug; extern unsigned int drm_notyet; extern unsigned int drm_vblank_offdelay; extern unsigned int drm_timestamp_precision; extern unsigned int drm_timestamp_monotonic; extern struct drm_local_map *drm_getsarea(struct drm_device *dev); #ifdef FREEBSD_NOTYET extern int drm_gem_prime_handle_to_fd(struct drm_device *dev, struct drm_file *file_priv, uint32_t handle, uint32_t flags, int *prime_fd); extern int drm_gem_prime_fd_to_handle(struct drm_device *dev, struct drm_file *file_priv, int prime_fd, uint32_t *handle); extern int drm_prime_handle_to_fd_ioctl(struct drm_device *dev, void *data, struct drm_file *file_priv); extern int drm_prime_fd_to_handle_ioctl(struct drm_device *dev, void *data, struct drm_file *file_priv); extern int drm_prime_sg_to_page_addr_arrays(struct sg_table *sgt, vm_page_t *pages, dma_addr_t *addrs, int max_pages); extern struct sg_table *drm_prime_pages_to_sg(vm_page_t *pages, int nr_pages); extern void drm_prime_gem_destroy(struct drm_gem_object *obj, struct sg_table *sg); void drm_prime_init_file_private(struct drm_prime_file_private *prime_fpriv); void drm_prime_destroy_file_private(struct drm_prime_file_private *prime_fpriv); int drm_prime_add_imported_buf_handle(struct drm_prime_file_private *prime_fpriv, struct dma_buf *dma_buf, uint32_t handle); int drm_prime_lookup_imported_buf_handle(struct drm_prime_file_private *prime_fpriv, struct dma_buf *dma_buf, uint32_t *handle); void drm_prime_remove_imported_buf_handle(struct drm_prime_file_private *prime_fpriv, struct dma_buf *dma_buf); int drm_prime_add_dma_buf(struct drm_device *dev, struct drm_gem_object *obj); int drm_prime_lookup_obj(struct drm_device *dev, struct dma_buf *buf, struct drm_gem_object **obj); #endif /* FREEBSD_NOTYET */ /* Scatter Gather Support (drm_scatter.h) */ extern void drm_sg_cleanup(struct drm_sg_mem * entry); extern int drm_sg_alloc_ioctl(struct drm_device *dev, void *data, struct drm_file *file_priv); extern int drm_sg_alloc(struct drm_device *dev, struct drm_scatter_gather * request); extern int drm_sg_free(struct drm_device *dev, void *data, struct drm_file *file_priv); /* ATI PCIGART support (ati_pcigart.h) */ extern int drm_ati_pcigart_init(struct drm_device *dev, struct drm_ati_pcigart_info * gart_info); extern int drm_ati_pcigart_cleanup(struct drm_device *dev, struct drm_ati_pcigart_info * gart_info); extern drm_dma_handle_t *drm_pci_alloc(struct drm_device *dev, size_t size, size_t align, dma_addr_t maxaddr); extern void __drm_pci_free(struct drm_device *dev, drm_dma_handle_t * dmah); extern void drm_pci_free(struct drm_device *dev, drm_dma_handle_t * dmah); /* Graphics Execution Manager library functions (drm_gem.c) */ int drm_gem_init(struct drm_device *dev); void drm_gem_destroy(struct drm_device *dev); void drm_gem_object_release(struct drm_gem_object *obj); void drm_gem_object_free(struct drm_gem_object *obj); struct drm_gem_object *drm_gem_object_alloc(struct drm_device *dev, size_t size); int drm_gem_object_init(struct drm_device *dev, struct drm_gem_object *obj, size_t size); int drm_gem_private_object_init(struct drm_device *dev, struct drm_gem_object *obj, size_t size); void drm_gem_object_handle_free(struct drm_gem_object *obj); int drm_gem_mmap_single(struct drm_device *dev, vm_ooffset_t *offset, vm_size_t size, struct vm_object **obj_res, int nprot); void drm_gem_pager_dtr(void *obj); #include static inline void drm_gem_object_reference(struct drm_gem_object *obj) { KASSERT(obj->refcount > 0, ("Dangling obj %p", obj)); refcount_acquire(&obj->refcount); } static inline void drm_gem_object_unreference(struct drm_gem_object *obj) { if (obj == NULL) return; if (refcount_release(&obj->refcount)) drm_gem_object_free(obj); } static inline void drm_gem_object_unreference_unlocked(struct drm_gem_object *obj) { if (obj != NULL) { struct drm_device *dev = obj->dev; DRM_LOCK(dev); drm_gem_object_unreference(obj); DRM_UNLOCK(dev); } } int drm_gem_handle_create(struct drm_file *file_priv, struct drm_gem_object *obj, u32 *handlep); int drm_gem_handle_delete(struct drm_file *filp, u32 handle); static inline void drm_gem_object_handle_reference(struct drm_gem_object *obj) { drm_gem_object_reference(obj); atomic_inc(&obj->handle_count); } static inline void drm_gem_object_handle_unreference(struct drm_gem_object *obj) { if (obj == NULL) return; if (atomic_read(&obj->handle_count) == 0) return; /* * Must bump handle count first as this may be the last * ref, in which case the object would disappear before we * checked for a name */ if (atomic_dec_and_test(&obj->handle_count)) drm_gem_object_handle_free(obj); drm_gem_object_unreference(obj); } static inline void drm_gem_object_handle_unreference_unlocked(struct drm_gem_object *obj) { if (obj == NULL) return; if (atomic_read(&obj->handle_count) == 0) return; /* * Must bump handle count first as this may be the last * ref, in which case the object would disappear before we * checked for a name */ if (atomic_dec_and_test(&obj->handle_count)) drm_gem_object_handle_free(obj); drm_gem_object_unreference_unlocked(obj); } void drm_gem_free_mmap_offset(struct drm_gem_object *obj); int drm_gem_create_mmap_offset(struct drm_gem_object *obj); struct drm_gem_object *drm_gem_object_lookup(struct drm_device *dev, struct drm_file *filp, u32 handle); int drm_gem_close_ioctl(struct drm_device *dev, void *data, struct drm_file *file_priv); int drm_gem_flink_ioctl(struct drm_device *dev, void *data, struct drm_file *file_priv); int drm_gem_open_ioctl(struct drm_device *dev, void *data, struct drm_file *file_priv); void drm_gem_open(struct drm_device *dev, struct drm_file *file_private); void drm_gem_release(struct drm_device *dev, struct drm_file *file_private); extern void drm_core_ioremap(struct drm_local_map *map, struct drm_device *dev); extern void drm_core_ioremap_wc(struct drm_local_map *map, struct drm_device *dev); extern void drm_core_ioremapfree(struct drm_local_map *map, struct drm_device *dev); static __inline__ struct drm_local_map *drm_core_findmap(struct drm_device *dev, unsigned int token) { struct drm_map_list *_entry; list_for_each_entry(_entry, &dev->maplist, head) if (_entry->user_token == token) return _entry->map; return NULL; } static __inline__ void drm_core_dropmap(struct drm_local_map *map) { } #include extern int drm_fill_in_dev(struct drm_device *dev, struct drm_driver *driver); extern void drm_cancel_fill_in_dev(struct drm_device *dev); int drm_get_minor(struct drm_device *dev, struct drm_minor **minor, int type); /*@}*/ /* PCI section */ int drm_pci_device_is_agp(struct drm_device *dev); int drm_pci_device_is_pcie(struct drm_device *dev); extern int drm_get_pci_dev(device_t kdev, struct drm_device *dev, struct drm_driver *driver); #define DRM_PCIE_SPEED_25 1 #define DRM_PCIE_SPEED_50 2 #define DRM_PCIE_SPEED_80 4 extern int drm_pcie_get_speed_cap_mask(struct drm_device *dev, u32 *speed_mask); #define drm_can_sleep() (DRM_HZ & 1) /* FreeBSD specific -- should be moved to drm_os_freebsd.h */ #define DRM_GEM_MAPPING_MASK (3ULL << 62) #define DRM_GEM_MAPPING_KEY (2ULL << 62) /* Non-canonical address form */ #define DRM_GEM_MAX_IDX 0x3fffff #define DRM_GEM_MAPPING_IDX(o) (((o) >> 40) & DRM_GEM_MAX_IDX) #define DRM_GEM_MAPPING_OFF(i) (((uint64_t)(i)) << 40) #define DRM_GEM_MAPPING_MAPOFF(o) \ ((o) & ~(DRM_GEM_MAPPING_OFF(DRM_GEM_MAX_IDX) | DRM_GEM_MAPPING_KEY)) SYSCTL_DECL(_hw_drm); #define DRM_DEV_MODE (S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP) #define DRM_DEV_UID UID_ROOT #define DRM_DEV_GID GID_VIDEO #define DRM_WAKEUP(w) wakeup((void *)w) #define DRM_WAKEUP_INT(w) wakeup(w) #define DRM_INIT_WAITQUEUE(queue) do {(void)(queue);} while (0) #define DRM_CURPROC curthread #define DRM_STRUCTPROC struct thread #define DRM_SPINTYPE struct mtx #define DRM_SPININIT(l,name) mtx_init(l, name, NULL, MTX_DEF) #define DRM_SPINUNINIT(l) mtx_destroy(l) #define DRM_SPINLOCK(l) mtx_lock(l) #define DRM_SPINUNLOCK(u) mtx_unlock(u) #define DRM_SPINLOCK_IRQSAVE(l, irqflags) do { \ mtx_lock(l); \ (void)irqflags; \ } while (0) #define DRM_SPINUNLOCK_IRQRESTORE(u, irqflags) mtx_unlock(u) #define DRM_SPINLOCK_ASSERT(l) mtx_assert(l, MA_OWNED) #define DRM_LOCK_SLEEP(dev, chan, flags, msg, timeout) \ (sx_sleep((chan), &(dev)->dev_struct_lock, (flags), (msg), (timeout))) #if defined(INVARIANTS) #define DRM_LOCK_ASSERT(dev) sx_assert(&(dev)->dev_struct_lock, SA_XLOCKED) #define DRM_UNLOCK_ASSERT(dev) sx_assert(&(dev)->dev_struct_lock, SA_UNLOCKED) #else #define DRM_LOCK_ASSERT(d) #define DRM_UNLOCK_ASSERT(d) #endif #define DRM_SYSCTL_HANDLER_ARGS (SYSCTL_HANDLER_ARGS) enum { DRM_IS_NOT_AGP, DRM_IS_AGP, DRM_MIGHT_BE_AGP }; #define DRM_VERIFYAREA_READ( uaddr, size ) \ (!useracc(__DECONST(caddr_t, uaddr), size, VM_PROT_READ)) #define DRM_COPY_TO_USER(user, kern, size) \ copyout(kern, user, size) #define DRM_COPY_FROM_USER(kern, user, size) \ copyin(user, kern, size) #define DRM_COPY_FROM_USER_UNCHECKED(arg1, arg2, arg3) \ copyin(arg2, arg1, arg3) #define DRM_COPY_TO_USER_UNCHECKED(arg1, arg2, arg3) \ copyout(arg2, arg1, arg3) #define DRM_GET_USER_UNCHECKED(val, uaddr) \ ((val) = fuword32(uaddr), 0) #define DRM_GET_PRIV_SAREA(_dev, _ctx, _map) do { \ (_map) = (_dev)->context_sareas[_ctx]; \ } while(0) /* Returns -errno to shared code */ #define DRM_WAIT_ON( ret, queue, timeout, condition ) \ for ( ret = 0 ; !ret && !(condition) ; ) { \ DRM_UNLOCK(dev); \ mtx_lock(&dev->irq_lock); \ if (!(condition)) \ ret = -mtx_sleep(&(queue), &dev->irq_lock, \ PCATCH, "drmwtq", (timeout)); \ if (ret == -ERESTART) \ ret = -ERESTARTSYS; \ mtx_unlock(&dev->irq_lock); \ DRM_LOCK(dev); \ } #define dev_err(dev, fmt, ...) \ device_printf((dev), "error: " fmt, ## __VA_ARGS__) #define dev_warn(dev, fmt, ...) \ device_printf((dev), "warning: " fmt, ## __VA_ARGS__) #define dev_info(dev, fmt, ...) \ device_printf((dev), "info: " fmt, ## __VA_ARGS__) #define dev_dbg(dev, fmt, ...) do { \ if ((drm_debug& DRM_DEBUGBITS_KMS) != 0) { \ device_printf((dev), "debug: " fmt, ## __VA_ARGS__); \ } \ } while (0) struct drm_msi_blacklist_entry { int vendor; int device; }; struct drm_vblank_info { wait_queue_head_t queue; /* vblank wait queue */ atomic_t count; /* number of VBLANK interrupts */ /* (driver must alloc the right number of counters) */ atomic_t refcount; /* number of users of vblank interrupts */ u32 last; /* protected by dev->vbl_lock, used */ /* for wraparound handling */ int enabled; /* so we don't call enable more than */ /* once per disable */ int inmodeset; /* Display driver is setting mode */ }; #ifndef DMA_BIT_MASK #define DMA_BIT_MASK(n) (((n) == 64) ? ~0ULL : (1ULL<<(n)) - 1) #endif #define upper_32_bits(n) ((u32)(((n) >> 16) >> 16)) enum dmi_field { DMI_NONE, DMI_BIOS_VENDOR, DMI_BIOS_VERSION, DMI_BIOS_DATE, DMI_SYS_VENDOR, DMI_PRODUCT_NAME, DMI_PRODUCT_VERSION, DMI_PRODUCT_SERIAL, DMI_PRODUCT_UUID, DMI_BOARD_VENDOR, DMI_BOARD_NAME, DMI_BOARD_VERSION, DMI_BOARD_SERIAL, DMI_BOARD_ASSET_TAG, DMI_CHASSIS_VENDOR, DMI_CHASSIS_TYPE, DMI_CHASSIS_VERSION, DMI_CHASSIS_SERIAL, DMI_CHASSIS_ASSET_TAG, DMI_STRING_MAX, }; struct dmi_strmatch { unsigned char slot; char substr[79]; }; struct dmi_system_id { int (*callback)(const struct dmi_system_id *); const char *ident; struct dmi_strmatch matches[4]; }; #define DMI_MATCH(a, b) {(a), (b)} bool dmi_check_system(const struct dmi_system_id *); /* Device setup support (drm_drv.c) */ int drm_probe_helper(device_t kdev, const drm_pci_id_list_t *idlist); int drm_attach_helper(device_t kdev, const drm_pci_id_list_t *idlist, struct drm_driver *driver); int drm_generic_suspend(device_t kdev); int drm_generic_resume(device_t kdev); int drm_generic_detach(device_t kdev); void drm_event_wakeup(struct drm_pending_event *e); int drm_add_busid_modesetting(struct drm_device *dev, struct sysctl_ctx_list *ctx, struct sysctl_oid *top); /* Buffer management support (drm_bufs.c) */ unsigned long drm_get_resource_start(struct drm_device *dev, unsigned int resource); unsigned long drm_get_resource_len(struct drm_device *dev, unsigned int resource); /* IRQ support (drm_irq.c) */ irqreturn_t drm_irq_handler(DRM_IRQ_ARGS); void drm_driver_irq_preinstall(struct drm_device *dev); void drm_driver_irq_postinstall(struct drm_device *dev); void drm_driver_irq_uninstall(struct drm_device *dev); /* sysctl support (drm_sysctl.h) */ extern int drm_sysctl_init(struct drm_device *dev); extern int drm_sysctl_cleanup(struct drm_device *dev); int drm_version(struct drm_device *dev, void *data, struct drm_file *file_priv); /* consistent PCI memory functions (drm_pci.c) */ int drm_pci_set_busid(struct drm_device *dev, struct drm_master *master); int drm_pci_set_unique(struct drm_device *dev, struct drm_master *master, struct drm_unique *u); int drm_pci_agp_init(struct drm_device *dev); int drm_pci_enable_msi(struct drm_device *dev); void drm_pci_disable_msi(struct drm_device *dev); struct ttm_bo_device; int ttm_bo_mmap_single(struct ttm_bo_device *bdev, vm_ooffset_t *offset, vm_size_t size, struct vm_object **obj_res, int nprot); struct ttm_buffer_object; void ttm_bo_release_mmap(struct ttm_buffer_object *bo); +#if __OS_HAS_AGP + /* Memory management support (drm_memory.h) */ +extern void drm_free_agp(DRM_AGP_MEM * handle, int pages); +extern int drm_bind_agp(DRM_AGP_MEM * handle, unsigned int start); +#ifdef FREEBSD_NOTYET +extern DRM_AGP_MEM *drm_agp_bind_pages(struct drm_device *dev, + struct page **pages, + unsigned long num_pages, + uint32_t gtt_offset, + uint32_t type); +#endif /* FREEBSD_NOTYET */ +extern int drm_unbind_agp(DRM_AGP_MEM * handle); + + /* AGP/GART support (drm_agpsupport.h) */ +extern struct drm_agp_head *drm_agp_init(struct drm_device *dev); +extern int drm_agp_acquire(struct drm_device *dev); +extern int drm_agp_acquire_ioctl(struct drm_device *dev, void *data, + struct drm_file *file_priv); +extern int drm_agp_release(struct drm_device *dev); +extern int drm_agp_release_ioctl(struct drm_device *dev, void *data, + struct drm_file *file_priv); +extern int drm_agp_enable(struct drm_device *dev, struct drm_agp_mode mode); +extern int drm_agp_enable_ioctl(struct drm_device *dev, void *data, + struct drm_file *file_priv); +extern int drm_agp_info(struct drm_device *dev, struct drm_agp_info *info); +extern int drm_agp_info_ioctl(struct drm_device *dev, void *data, + struct drm_file *file_priv); +extern int drm_agp_alloc(struct drm_device *dev, struct drm_agp_buffer *request); +extern int drm_agp_alloc_ioctl(struct drm_device *dev, void *data, + struct drm_file *file_priv); +extern int drm_agp_free(struct drm_device *dev, struct drm_agp_buffer *request); +extern int drm_agp_free_ioctl(struct drm_device *dev, void *data, + struct drm_file *file_priv); +extern int drm_agp_unbind(struct drm_device *dev, struct drm_agp_binding *request); +extern int drm_agp_unbind_ioctl(struct drm_device *dev, void *data, + struct drm_file *file_priv); +extern int drm_agp_bind(struct drm_device *dev, struct drm_agp_binding *request); +extern int drm_agp_bind_ioctl(struct drm_device *dev, void *data, + struct drm_file *file_priv); + +#else + +static inline void drm_free_agp(DRM_AGP_MEM * handle, int pages) +{ +} + +static inline int drm_bind_agp(DRM_AGP_MEM * handle, unsigned int start) +{ + return -ENODEV; +} + +static inline int drm_unbind_agp(DRM_AGP_MEM * handle) +{ + return -ENODEV; +} +#ifdef FREEBSD_NOTYET +static inline struct agp_memory *drm_agp_bind_pages(struct drm_device *dev, + struct page **pages, + unsigned long num_pages, + uint32_t gtt_offset, + uint32_t type) +{ + return NULL; +} +#endif +static inline struct drm_agp_head *drm_agp_init(struct drm_device *dev) +{ + return NULL; +} + +static inline void drm_agp_clear(struct drm_device *dev) +{ +} + +static inline int drm_agp_acquire(struct drm_device *dev) +{ + return -ENODEV; +} + +static inline int drm_agp_acquire_ioctl(struct drm_device *dev, void *data, + struct drm_file *file_priv) +{ + return -ENODEV; +} + +static inline int drm_agp_release(struct drm_device *dev) +{ + return -ENODEV; +} + +static inline int drm_agp_release_ioctl(struct drm_device *dev, void *data, + struct drm_file *file_priv) +{ + return -ENODEV; +} + +static inline int drm_agp_enable(struct drm_device *dev, + struct drm_agp_mode mode) +{ + return -ENODEV; +} + +static inline int drm_agp_enable_ioctl(struct drm_device *dev, void *data, + struct drm_file *file_priv) +{ + return -ENODEV; +} + +static inline int drm_agp_info(struct drm_device *dev, + struct drm_agp_info *info) +{ + return -ENODEV; +} + +static inline int drm_agp_info_ioctl(struct drm_device *dev, void *data, + struct drm_file *file_priv) +{ + return -ENODEV; +} + +static inline int drm_agp_alloc(struct drm_device *dev, + struct drm_agp_buffer *request) +{ + return -ENODEV; +} + +static inline int drm_agp_alloc_ioctl(struct drm_device *dev, void *data, + struct drm_file *file_priv) +{ + return -ENODEV; +} + +static inline int drm_agp_free(struct drm_device *dev, + struct drm_agp_buffer *request) +{ + return -ENODEV; +} + +static inline int drm_agp_free_ioctl(struct drm_device *dev, void *data, + struct drm_file *file_priv) +{ + return -ENODEV; +} + +static inline int drm_agp_unbind(struct drm_device *dev, + struct drm_agp_binding *request) +{ + return -ENODEV; +} + +static inline int drm_agp_unbind_ioctl(struct drm_device *dev, void *data, + struct drm_file *file_priv) +{ + return -ENODEV; +} + +static inline int drm_agp_bind(struct drm_device *dev, + struct drm_agp_binding *request) +{ + return -ENODEV; +} + +static inline int drm_agp_bind_ioctl(struct drm_device *dev, void *data, + struct drm_file *file_priv) +{ + return -ENODEV; +} + +#endif /* __OS_HAS_AGP */ + #endif /* __KERNEL__ */ #endif diff --git a/sys/dev/drm2/drm_memory.c b/sys/dev/drm2/drm_memory.c index a25e5a288ee1..226c2c15734b 100644 --- a/sys/dev/drm2/drm_memory.c +++ b/sys/dev/drm2/drm_memory.c @@ -1,134 +1,134 @@ /** * \file drm_memory.c * Memory management wrappers for DRM * * \author Rickard E. (Rik) Faith * \author Gareth Hughes */ /* * Created: Thu Feb 4 14:00:34 1999 by faith@valinux.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, * 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 * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS 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. */ #include __FBSDID("$FreeBSD$"); #include +#define vunmap(handle) + #if __OS_HAS_AGP static void *agp_remap(unsigned long offset, unsigned long size, struct drm_device * dev) { /* * FIXME Linux<->FreeBSD: Not implemented. This is never called * on FreeBSD anyway, because drm_agp_mem->cant_use_aperture is * set to 0. */ return NULL; } -#define vunmap(handle) - /** Wrapper around agp_free_memory() */ void drm_free_agp(DRM_AGP_MEM * handle, int pages) { device_t agpdev; agpdev = agp_find_device(); if (!agpdev || !handle) return; agp_free_memory(agpdev, handle); } EXPORT_SYMBOL(drm_free_agp); /** Wrapper around agp_bind_memory() */ int drm_bind_agp(DRM_AGP_MEM * handle, unsigned int start) { device_t agpdev; agpdev = agp_find_device(); if (!agpdev || !handle) return -EINVAL; return -agp_bind_memory(agpdev, handle, start * PAGE_SIZE); } /** Wrapper around agp_unbind_memory() */ int drm_unbind_agp(DRM_AGP_MEM * handle) { device_t agpdev; agpdev = agp_find_device(); if (!agpdev || !handle) return -EINVAL; return -agp_unbind_memory(agpdev, handle); } EXPORT_SYMBOL(drm_unbind_agp); #else /* __OS_HAS_AGP */ static inline void *agp_remap(unsigned long offset, unsigned long size, struct drm_device * dev) { return NULL; } #endif /* agp */ void drm_core_ioremap(struct drm_local_map *map, struct drm_device *dev) { if (drm_core_has_AGP(dev) && dev->agp && dev->agp->cant_use_aperture && map->type == _DRM_AGP) map->handle = agp_remap(map->offset, map->size, dev); else map->handle = pmap_mapdev(map->offset, map->size); } EXPORT_SYMBOL(drm_core_ioremap); void drm_core_ioremap_wc(struct drm_local_map *map, struct drm_device *dev) { if (drm_core_has_AGP(dev) && dev->agp && dev->agp->cant_use_aperture && map->type == _DRM_AGP) map->handle = agp_remap(map->offset, map->size, dev); else map->handle = pmap_mapdev_attr(map->offset, map->size, VM_MEMATTR_WRITE_COMBINING); } EXPORT_SYMBOL(drm_core_ioremap_wc); void drm_core_ioremapfree(struct drm_local_map *map, struct drm_device *dev) { if (!map->handle || !map->size) return; if (drm_core_has_AGP(dev) && dev->agp && dev->agp->cant_use_aperture && map->type == _DRM_AGP) vunmap(map->handle); else pmap_unmapdev((vm_offset_t)map->handle, map->size); } EXPORT_SYMBOL(drm_core_ioremapfree); diff --git a/sys/dev/drm2/drm_os_freebsd.c b/sys/dev/drm2/drm_os_freebsd.c index d8b45e8fb580..4ce8081887ba 100644 --- a/sys/dev/drm2/drm_os_freebsd.c +++ b/sys/dev/drm2/drm_os_freebsd.c @@ -1,497 +1,499 @@ #include __FBSDID("$FreeBSD$"); #include #include #include devclass_t drm_devclass; MALLOC_DEFINE(DRM_MEM_DMA, "drm_dma", "DRM DMA Data Structures"); MALLOC_DEFINE(DRM_MEM_SAREA, "drm_sarea", "DRM SAREA Data Structures"); MALLOC_DEFINE(DRM_MEM_DRIVER, "drm_driver", "DRM DRIVER Data Structures"); MALLOC_DEFINE(DRM_MEM_MAGIC, "drm_magic", "DRM MAGIC Data Structures"); MALLOC_DEFINE(DRM_MEM_MINOR, "drm_minor", "DRM MINOR Data Structures"); MALLOC_DEFINE(DRM_MEM_IOCTLS, "drm_ioctls", "DRM IOCTL Data Structures"); MALLOC_DEFINE(DRM_MEM_MAPS, "drm_maps", "DRM MAP Data Structures"); MALLOC_DEFINE(DRM_MEM_BUFS, "drm_bufs", "DRM BUFFER Data Structures"); MALLOC_DEFINE(DRM_MEM_SEGS, "drm_segs", "DRM SEGMENTS Data Structures"); MALLOC_DEFINE(DRM_MEM_PAGES, "drm_pages", "DRM PAGES Data Structures"); MALLOC_DEFINE(DRM_MEM_FILES, "drm_files", "DRM FILE Data Structures"); MALLOC_DEFINE(DRM_MEM_QUEUES, "drm_queues", "DRM QUEUE Data Structures"); MALLOC_DEFINE(DRM_MEM_CMDS, "drm_cmds", "DRM COMMAND Data Structures"); MALLOC_DEFINE(DRM_MEM_MAPPINGS, "drm_mapping", "DRM MAPPING Data Structures"); MALLOC_DEFINE(DRM_MEM_BUFLISTS, "drm_buflists", "DRM BUFLISTS Data Structures"); MALLOC_DEFINE(DRM_MEM_AGPLISTS, "drm_agplists", "DRM AGPLISTS Data Structures"); MALLOC_DEFINE(DRM_MEM_CTXBITMAP, "drm_ctxbitmap", "DRM CTXBITMAP Data Structures"); MALLOC_DEFINE(DRM_MEM_SGLISTS, "drm_sglists", "DRM SGLISTS Data Structures"); MALLOC_DEFINE(DRM_MEM_MM, "drm_sman", "DRM MEMORY MANAGER Data Structures"); MALLOC_DEFINE(DRM_MEM_HASHTAB, "drm_hashtab", "DRM HASHTABLE Data Structures"); MALLOC_DEFINE(DRM_MEM_KMS, "drm_kms", "DRM KMS Data Structures"); MALLOC_DEFINE(DRM_MEM_VBLANK, "drm_vblank", "DRM VBLANK Handling Data"); const char *fb_mode_option = NULL; #define NSEC_PER_USEC 1000L #define NSEC_PER_SEC 1000000000L int64_t timeval_to_ns(const struct timeval *tv) { return ((int64_t)tv->tv_sec * NSEC_PER_SEC) + tv->tv_usec * NSEC_PER_USEC; } struct timeval ns_to_timeval(const int64_t nsec) { struct timeval tv; long rem; if (nsec == 0) { tv.tv_sec = 0; tv.tv_usec = 0; return (tv); } tv.tv_sec = nsec / NSEC_PER_SEC; rem = nsec % NSEC_PER_SEC; if (rem < 0) { tv.tv_sec--; rem += NSEC_PER_SEC; } tv.tv_usec = rem / 1000; return (tv); } /* Copied from OFED. */ unsigned long drm_linux_timer_hz_mask; static void drm_linux_timer_init(void *arg) { /* * Compute an internal HZ value which can divide 2**32 to * avoid timer rounding problems when the tick value wraps * around 2**32: */ drm_linux_timer_hz_mask = 1; while (drm_linux_timer_hz_mask < (unsigned long)hz) drm_linux_timer_hz_mask *= 2; drm_linux_timer_hz_mask--; } SYSINIT(drm_linux_timer, SI_SUB_DRIVERS, SI_ORDER_FIRST, drm_linux_timer_init, NULL); static const drm_pci_id_list_t * drm_find_description(int vendor, int device, const drm_pci_id_list_t *idlist) { int i = 0; for (i = 0; idlist[i].vendor != 0; i++) { if ((idlist[i].vendor == vendor) && ((idlist[i].device == device) || (idlist[i].device == 0))) { return (&idlist[i]); } } return (NULL); } /* * drm_probe_helper: called by a driver at the end of its probe * method. */ int drm_probe_helper(device_t kdev, const drm_pci_id_list_t *idlist) { const drm_pci_id_list_t *id_entry; int vendor, device; vendor = pci_get_vendor(kdev); device = pci_get_device(kdev); if (pci_get_class(kdev) != PCIC_DISPLAY || (pci_get_subclass(kdev) != PCIS_DISPLAY_VGA && pci_get_subclass(kdev) != PCIS_DISPLAY_OTHER)) return (-ENXIO); id_entry = drm_find_description(vendor, device, idlist); if (id_entry != NULL) { if (device_get_desc(kdev) == NULL) { DRM_DEBUG("%s desc: %s\n", device_get_nameunit(kdev), id_entry->name); device_set_desc(kdev, id_entry->name); } return (0); } return (-ENXIO); } /* * drm_attach_helper: called by a driver at the end of its attach * method. */ int drm_attach_helper(device_t kdev, const drm_pci_id_list_t *idlist, struct drm_driver *driver) { struct drm_device *dev; int vendor, device; int ret; dev = device_get_softc(kdev); vendor = pci_get_vendor(kdev); device = pci_get_device(kdev); dev->id_entry = drm_find_description(vendor, device, idlist); ret = drm_get_pci_dev(kdev, dev, driver); return (ret); } int drm_generic_suspend(device_t kdev) { struct drm_device *dev; int error; DRM_DEBUG_KMS("Starting suspend\n"); dev = device_get_softc(kdev); if (dev->driver->suspend) { pm_message_t state; state.event = PM_EVENT_SUSPEND; error = -dev->driver->suspend(dev, state); if (error) goto out; } error = bus_generic_suspend(kdev); out: DRM_DEBUG_KMS("Finished suspend: %d\n", error); return error; } int drm_generic_resume(device_t kdev) { struct drm_device *dev; int error; DRM_DEBUG_KMS("Starting resume\n"); dev = device_get_softc(kdev); if (dev->driver->resume) { error = -dev->driver->resume(dev); if (error) goto out; } error = bus_generic_resume(kdev); out: DRM_DEBUG_KMS("Finished resume: %d\n", error); return error; } int drm_generic_detach(device_t kdev) { struct drm_device *dev; int i; dev = device_get_softc(kdev); drm_put_dev(dev); /* Clean up PCI resources allocated by drm_bufs.c. We're not really * worried about resource consumption while the DRM is inactive (between * lastclose and firstopen or unload) because these aren't actually * taking up KVA, just keeping the PCI resource allocated. */ for (i = 0; i < DRM_MAX_PCI_RESOURCE; i++) { if (dev->pcir[i] == NULL) continue; bus_release_resource(dev->dev, SYS_RES_MEMORY, dev->pcirid[i], dev->pcir[i]); dev->pcir[i] = NULL; } if (pci_disable_busmaster(dev->dev)) DRM_ERROR("Request to disable bus-master failed.\n"); return (0); } int drm_add_busid_modesetting(struct drm_device *dev, struct sysctl_ctx_list *ctx, struct sysctl_oid *top) { struct sysctl_oid *oid; snprintf(dev->busid_str, sizeof(dev->busid_str), "pci:%04x:%02x:%02x.%d", dev->pci_domain, dev->pci_bus, dev->pci_slot, dev->pci_func); oid = SYSCTL_ADD_STRING(ctx, SYSCTL_CHILDREN(top), OID_AUTO, "busid", CTLFLAG_RD, dev->busid_str, 0, NULL); if (oid == NULL) return (-ENOMEM); dev->modesetting = (dev->driver->driver_features & DRIVER_MODESET) != 0; oid = SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(top), OID_AUTO, "modesetting", CTLFLAG_RD, &dev->modesetting, 0, NULL); if (oid == NULL) return (-ENOMEM); return (0); } static int drm_device_find_capability(struct drm_device *dev, int cap) { return (pci_find_cap(dev->dev, cap, NULL) == 0); } int drm_pci_device_is_agp(struct drm_device *dev) { if (dev->driver->device_is_agp != NULL) { int ret; /* device_is_agp returns a tristate, 0 = not AGP, 1 = definitely * AGP, 2 = fall back to PCI capability */ ret = (*dev->driver->device_is_agp)(dev); if (ret != DRM_MIGHT_BE_AGP) return ret; } return (drm_device_find_capability(dev, PCIY_AGP)); } int drm_pci_device_is_pcie(struct drm_device *dev) { return (drm_device_find_capability(dev, PCIY_EXPRESS)); } static bool dmi_found(const struct dmi_system_id *dsi) { char *hw_vendor, *hw_prod; int i, slot; bool res; hw_vendor = kern_getenv("smbios.planar.maker"); hw_prod = kern_getenv("smbios.planar.product"); res = true; for (i = 0; i < nitems(dsi->matches); i++) { slot = dsi->matches[i].slot; switch (slot) { case DMI_NONE: break; case DMI_SYS_VENDOR: case DMI_BOARD_VENDOR: if (hw_vendor != NULL && !strcmp(hw_vendor, dsi->matches[i].substr)) { break; } else { res = false; goto out; } case DMI_PRODUCT_NAME: case DMI_BOARD_NAME: if (hw_prod != NULL && !strcmp(hw_prod, dsi->matches[i].substr)) { break; } else { res = false; goto out; } default: res = false; goto out; } } out: freeenv(hw_vendor); freeenv(hw_prod); return (res); } bool dmi_check_system(const struct dmi_system_id *sysid) { const struct dmi_system_id *dsi; bool res; for (res = false, dsi = sysid; dsi->matches[0].slot != 0 ; dsi++) { if (dmi_found(dsi)) { res = true; if (dsi->callback != NULL && dsi->callback(dsi)) break; } } return (res); } +#if __OS_HAS_MTRR int drm_mtrr_add(unsigned long offset, unsigned long size, unsigned int flags) { int act; struct mem_range_desc mrdesc; mrdesc.mr_base = offset; mrdesc.mr_len = size; mrdesc.mr_flags = flags; act = MEMRANGE_SET_UPDATE; strlcpy(mrdesc.mr_owner, "drm", sizeof(mrdesc.mr_owner)); return (-mem_range_attr_set(&mrdesc, &act)); } int drm_mtrr_del(int handle __unused, unsigned long offset, unsigned long size, unsigned int flags) { int act; struct mem_range_desc mrdesc; mrdesc.mr_base = offset; mrdesc.mr_len = size; mrdesc.mr_flags = flags; act = MEMRANGE_SET_REMOVE; strlcpy(mrdesc.mr_owner, "drm", sizeof(mrdesc.mr_owner)); return (-mem_range_attr_set(&mrdesc, &act)); } +#endif void drm_clflush_pages(vm_page_t *pages, unsigned long num_pages) { #if defined(__i386__) || defined(__amd64__) pmap_invalidate_cache_pages(pages, num_pages); #else DRM_ERROR("drm_clflush_pages not implemented on this architecture"); #endif } void drm_clflush_virt_range(char *addr, unsigned long length) { #if defined(__i386__) || defined(__amd64__) pmap_invalidate_cache_range((vm_offset_t)addr, (vm_offset_t)addr + length, TRUE); #else DRM_ERROR("drm_clflush_virt_range not implemented on this architecture"); #endif } void hex_dump_to_buffer(const void *buf, size_t len, int rowsize, int groupsize, char *linebuf, size_t linebuflen, bool ascii __unused) { int i, j, c; i = j = 0; while (i < len && j <= linebuflen) { c = ((const char *)buf)[i]; if (i != 0) { if (i % rowsize == 0) { /* Newline required. */ sprintf(linebuf + j, "\n"); ++j; } else if (i % groupsize == 0) { /* Space required. */ sprintf(linebuf + j, " "); ++j; } } if (j > linebuflen - 4) break; sprintf(linebuf + j, "%02X", c); j += 2; ++i; } if (j <= linebuflen) sprintf(linebuf + j, "\n"); } #if DRM_LINUX #include MODULE_DEPEND(DRIVER_NAME, linux, 1, 1, 1); #define LINUX_IOCTL_DRM_MIN 0x6400 #define LINUX_IOCTL_DRM_MAX 0x64ff static linux_ioctl_function_t drm_linux_ioctl; static struct linux_ioctl_handler drm_handler = {drm_linux_ioctl, LINUX_IOCTL_DRM_MIN, LINUX_IOCTL_DRM_MAX}; /* The bits for in/out are switched on Linux */ #define LINUX_IOC_IN IOC_OUT #define LINUX_IOC_OUT IOC_IN static int drm_linux_ioctl(DRM_STRUCTPROC *p, struct linux_ioctl_args* args) { int error; int cmd = args->cmd; args->cmd &= ~(LINUX_IOC_IN | LINUX_IOC_OUT); if (cmd & LINUX_IOC_IN) args->cmd |= IOC_IN; if (cmd & LINUX_IOC_OUT) args->cmd |= IOC_OUT; error = ioctl(p, (struct ioctl_args *)args); return error; } #endif /* DRM_LINUX */ static int drm_modevent(module_t mod, int type, void *data) { switch (type) { case MOD_LOAD: TUNABLE_INT_FETCH("drm.debug", &drm_debug); TUNABLE_INT_FETCH("drm.notyet", &drm_notyet); break; } return (0); } static moduledata_t drm_mod = { "drmn", drm_modevent, 0 }; DECLARE_MODULE(drmn, drm_mod, SI_SUB_DRIVERS, SI_ORDER_FIRST); MODULE_VERSION(drmn, 1); MODULE_DEPEND(drmn, agp, 1, 1, 1); MODULE_DEPEND(drmn, pci, 1, 1, 1); MODULE_DEPEND(drmn, mem, 1, 1, 1); MODULE_DEPEND(drmn, iicbus, 1, 1, 1); diff --git a/sys/dev/drm2/drm_os_freebsd.h b/sys/dev/drm2/drm_os_freebsd.h index 3c9983838e1d..dc01c6a64595 100644 --- a/sys/dev/drm2/drm_os_freebsd.h +++ b/sys/dev/drm2/drm_os_freebsd.h @@ -1,703 +1,705 @@ /** * \file drm_os_freebsd.h * OS abstraction macros. */ #include __FBSDID("$FreeBSD$"); #ifndef _DRM_OS_FREEBSD_H_ #define _DRM_OS_FREEBSD_H_ #include #include #if _BYTE_ORDER == _BIG_ENDIAN #define __BIG_ENDIAN 4321 #else #define __LITTLE_ENDIAN 1234 #endif #ifdef __LP64__ #define BITS_PER_LONG 64 #else #define BITS_PER_LONG 32 #endif #ifndef __user #define __user #endif #ifndef __iomem #define __iomem #endif #ifndef __always_unused #define __always_unused #endif #ifndef __must_check #define __must_check #endif #ifndef __force #define __force #endif #ifndef uninitialized_var #define uninitialized_var(x) x #endif #define cpu_to_le16(x) htole16(x) #define le16_to_cpu(x) le16toh(x) #define cpu_to_le32(x) htole32(x) #define le32_to_cpu(x) le32toh(x) #define cpu_to_be16(x) htobe16(x) #define be16_to_cpu(x) be16toh(x) #define cpu_to_be32(x) htobe32(x) #define be32_to_cpu(x) be32toh(x) #define be32_to_cpup(x) be32toh(*x) typedef vm_paddr_t dma_addr_t; typedef vm_paddr_t resource_size_t; #define wait_queue_head_t atomic_t typedef uint64_t u64; typedef uint32_t u32; typedef uint16_t u16; typedef uint8_t u8; typedef int64_t s64; typedef int32_t s32; typedef int16_t s16; typedef int8_t s8; typedef uint16_t __le16; typedef uint32_t __le32; typedef uint64_t __le64; typedef uint16_t __be16; typedef uint32_t __be32; typedef uint64_t __be64; #define DRM_IRQ_ARGS void *arg typedef void irqreturn_t; #define IRQ_HANDLED /* nothing */ #define IRQ_NONE /* nothing */ #define __init #define __exit #define __read_mostly #define BUILD_BUG_ON(x) CTASSERT(!(x)) #define BUILD_BUG_ON_NOT_POWER_OF_2(x) #ifndef WARN #define WARN(condition, format, ...) ({ \ int __ret_warn_on = !!(condition); \ if (unlikely(__ret_warn_on)) \ DRM_ERROR(format, ##__VA_ARGS__); \ unlikely(__ret_warn_on); \ }) #endif #define WARN_ONCE(condition, format, ...) \ WARN(condition, format, ##__VA_ARGS__) #define WARN_ON(cond) WARN(cond, "WARN ON: " #cond) #define WARN_ON_SMP(cond) WARN_ON(cond) #define BUG() panic("BUG") #define BUG_ON(cond) KASSERT(!(cond), ("BUG ON: " #cond " -> 0x%jx", (uintmax_t)(cond))) #define unlikely(x) __builtin_expect(!!(x), 0) #define likely(x) __builtin_expect(!!(x), 1) #define container_of(ptr, type, member) ({ \ __typeof( ((type *)0)->member ) *__mptr = (ptr); \ (type *)( (char *)__mptr - offsetof(type,member) );}) #define KHZ2PICOS(a) (1000000000UL/(a)) #define ARRAY_SIZE(x) (sizeof(x)/sizeof(x[0])) #define HZ hz #define DRM_HZ hz #define DRM_CURRENTPID curthread->td_proc->p_pid #define DRM_SUSER(p) (priv_check(p, PRIV_DRIVER) == 0) #define udelay(usecs) DELAY(usecs) #define mdelay(msecs) do { int loops = (msecs); \ while (loops--) DELAY(1000); \ } while (0) #define DRM_UDELAY(udelay) DELAY(udelay) #define drm_msleep(x, msg) pause((msg), ((int64_t)(x)) * hz / 1000) #define DRM_MSLEEP(msecs) drm_msleep((msecs), "drm_msleep") #define get_seconds() time_second #define ioread8(addr) *(volatile uint8_t *)((char *)addr) #define ioread16(addr) *(volatile uint16_t *)((char *)addr) #define ioread32(addr) *(volatile uint32_t *)((char *)addr) #define iowrite8(data, addr) *(volatile uint8_t *)((char *)addr) = data; #define iowrite16(data, addr) *(volatile uint16_t *)((char *)addr) = data; #define iowrite32(data, addr) *(volatile uint32_t *)((char *)addr) = data; #define DRM_READ8(map, offset) \ *(volatile u_int8_t *)(((vm_offset_t)(map)->handle) + \ (vm_offset_t)(offset)) #define DRM_READ16(map, offset) \ le16toh(*(volatile u_int16_t *)(((vm_offset_t)(map)->handle) + \ (vm_offset_t)(offset))) #define DRM_READ32(map, offset) \ le32toh(*(volatile u_int32_t *)(((vm_offset_t)(map)->handle) + \ (vm_offset_t)(offset))) #define DRM_READ64(map, offset) \ le64toh(*(volatile u_int64_t *)(((vm_offset_t)(map)->handle) + \ (vm_offset_t)(offset))) #define DRM_WRITE8(map, offset, val) \ *(volatile u_int8_t *)(((vm_offset_t)(map)->handle) + \ (vm_offset_t)(offset)) = val #define DRM_WRITE16(map, offset, val) \ *(volatile u_int16_t *)(((vm_offset_t)(map)->handle) + \ (vm_offset_t)(offset)) = htole16(val) #define DRM_WRITE32(map, offset, val) \ *(volatile u_int32_t *)(((vm_offset_t)(map)->handle) + \ (vm_offset_t)(offset)) = htole32(val) #define DRM_WRITE64(map, offset, val) \ *(volatile u_int64_t *)(((vm_offset_t)(map)->handle) + \ (vm_offset_t)(offset)) = htole64(val) /* DRM_READMEMORYBARRIER() prevents reordering of reads. * DRM_WRITEMEMORYBARRIER() prevents reordering of writes. * DRM_MEMORYBARRIER() prevents reordering of reads and writes. */ #define DRM_READMEMORYBARRIER() rmb() #define DRM_WRITEMEMORYBARRIER() wmb() #define DRM_MEMORYBARRIER() mb() #define smp_rmb() rmb() #define smp_wmb() wmb() #define smp_mb__before_atomic_inc() mb() #define smp_mb__after_atomic_inc() mb() #define barrier() __compiler_membar() #define do_div(a, b) ((a) /= (b)) #define div64_u64(a, b) ((a) / (b)) #define lower_32_bits(n) ((u32)(n)) #define upper_32_bits(n) ((u32)(((n) >> 16) >> 16)) #define __set_bit(n, s) set_bit((n), (s)) #define __clear_bit(n, s) clear_bit((n), (s)) #define min_t(type, x, y) ({ \ type __min1 = (x); \ type __min2 = (y); \ __min1 < __min2 ? __min1 : __min2; }) #define max_t(type, x, y) ({ \ type __max1 = (x); \ type __max2 = (y); \ __max1 > __max2 ? __max1 : __max2; }) #define memset_io(a, b, c) memset((a), (b), (c)) #define memcpy_fromio(a, b, c) memcpy((a), (b), (c)) #define memcpy_toio(a, b, c) memcpy((a), (b), (c)) #define VERIFY_READ VM_PROT_READ #define VERIFY_WRITE VM_PROT_WRITE #define access_ok(prot, p, l) useracc((p), (l), (prot)) /* XXXKIB what is the right code for the FreeBSD ? */ /* kib@ used ENXIO here -- dumbbell@ */ #define EREMOTEIO EIO #define ERESTARTSYS 512 /* Same value as Linux. */ #define KTR_DRM KTR_DEV #define KTR_DRM_REG KTR_SPARE3 #define DRM_AGP_KERN struct agp_info #define DRM_AGP_MEM void #define PCI_VENDOR_ID_APPLE 0x106b #define PCI_VENDOR_ID_ASUSTEK 0x1043 #define PCI_VENDOR_ID_ATI 0x1002 #define PCI_VENDOR_ID_DELL 0x1028 #define PCI_VENDOR_ID_HP 0x103c #define PCI_VENDOR_ID_IBM 0x1014 #define PCI_VENDOR_ID_INTEL 0x8086 #define PCI_VENDOR_ID_SERVERWORKS 0x1166 #define PCI_VENDOR_ID_SONY 0x104d #define PCI_VENDOR_ID_VIA 0x1106 #define DIV_ROUND_UP(n,d) (((n) + (d) - 1) / (d)) #define DIV_ROUND_CLOSEST(n,d) (((n) + (d) / 2) / (d)) #define div_u64(n, d) ((n) / (d)) #define hweight32(i) bitcount32(i) static inline unsigned long roundup_pow_of_two(unsigned long x) { return (1UL << flsl(x - 1)); } /** * ror32 - rotate a 32-bit value right * @word: value to rotate * @shift: bits to roll * * Source: include/linux/bitops.h */ static inline uint32_t ror32(uint32_t word, unsigned int shift) { return (word >> shift) | (word << (32 - shift)); } #define IS_ALIGNED(x, y) (((x) & ((y) - 1)) == 0) #define round_down(x, y) rounddown2((x), (y)) #define round_up(x, y) roundup2((x), (y)) #define get_unaligned(ptr) \ ({ __typeof__(*(ptr)) __tmp; \ memcpy(&__tmp, (ptr), sizeof(*(ptr))); __tmp; }) #if _BYTE_ORDER == _LITTLE_ENDIAN /* Taken from linux/include/linux/unaligned/le_struct.h. */ struct __una_u32 { u32 x; } __packed; static inline u32 __get_unaligned_cpu32(const void *p) { const struct __una_u32 *ptr = (const struct __una_u32 *)p; return (ptr->x); } static inline u32 get_unaligned_le32(const void *p) { return (__get_unaligned_cpu32((const u8 *)p)); } #else /* Taken from linux/include/linux/unaligned/le_byteshift.h. */ static inline u32 __get_unaligned_le32(const u8 *p) { return (p[0] | p[1] << 8 | p[2] << 16 | p[3] << 24); } static inline u32 get_unaligned_le32(const void *p) { return (__get_unaligned_le32((const u8 *)p)); } #endif static inline unsigned long ilog2(unsigned long x) { return (flsl(x) - 1); } static inline int64_t abs64(int64_t x) { return (x < 0 ? -x : x); } int64_t timeval_to_ns(const struct timeval *tv); struct timeval ns_to_timeval(const int64_t nsec); #define PAGE_ALIGN(addr) round_page(addr) #define page_to_phys(x) VM_PAGE_TO_PHYS(x) #define offset_in_page(x) ((x) & PAGE_MASK) #define drm_get_device_from_kdev(_kdev) (((struct drm_minor *)(_kdev)->si_drv1)->dev) #define DRM_IOC_VOID IOC_VOID #define DRM_IOC_READ IOC_OUT #define DRM_IOC_WRITE IOC_IN #define DRM_IOC_READWRITE IOC_INOUT #define DRM_IOC(dir, group, nr, size) _IOC(dir, group, nr, size) static inline long __copy_to_user(void __user *to, const void *from, unsigned long n) { return (copyout(from, to, n) != 0 ? n : 0); } #define copy_to_user(to, from, n) __copy_to_user((to), (from), (n)) static inline int __put_user(size_t size, void *ptr, void *x) { size = copy_to_user(ptr, x, size); return (size ? -EFAULT : size); } #define put_user(x, ptr) __put_user(sizeof(*ptr), (ptr), &(x)) static inline unsigned long __copy_from_user(void *to, const void __user *from, unsigned long n) { return ((copyin(__DECONST(void *, from), to, n) != 0 ? n : 0)); } #define copy_from_user(to, from, n) __copy_from_user((to), (from), (n)) static inline int __get_user(size_t size, const void *ptr, void *x) { size = copy_from_user(x, ptr, size); return (size ? -EFAULT : size); } #define get_user(x, ptr) __get_user(sizeof(*ptr), (ptr), &(x)) static inline int __copy_to_user_inatomic(void __user *to, const void *from, unsigned n) { return (copyout_nofault(from, to, n) != 0 ? n : 0); } #define __copy_to_user_inatomic_nocache(to, from, n) \ __copy_to_user_inatomic((to), (from), (n)) static inline unsigned long __copy_from_user_inatomic(void *to, const void __user *from, unsigned long n) { /* * XXXKIB. Equivalent Linux function is implemented using * MOVNTI for aligned moves. For unaligned head and tail, * normal move is performed. As such, it is not incorrect, if * only somewhat slower, to use normal copyin. All uses * except shmem_pwrite_fast() have the destination mapped WC. */ return ((copyin_nofault(__DECONST(void *, from), to, n) != 0 ? n : 0)); } #define __copy_from_user_inatomic_nocache(to, from, n) \ __copy_from_user_inatomic((to), (from), (n)) static inline int fault_in_multipages_readable(const char __user *uaddr, int size) { char c; int ret = 0; const char __user *end = uaddr + size - 1; if (unlikely(size == 0)) return ret; while (uaddr <= end) { ret = -copyin(uaddr, &c, 1); if (ret != 0) return -EFAULT; uaddr += PAGE_SIZE; } /* Check whether the range spilled into the next page. */ if (((unsigned long)uaddr & ~PAGE_MASK) == ((unsigned long)end & ~PAGE_MASK)) { ret = -copyin(end, &c, 1); } return ret; } static inline int fault_in_multipages_writeable(char __user *uaddr, int size) { int ret = 0; char __user *end = uaddr + size - 1; if (unlikely(size == 0)) return ret; /* * Writing zeroes into userspace here is OK, because we know that if * the zero gets there, we'll be overwriting it. */ while (uaddr <= end) { ret = subyte(uaddr, 0); if (ret != 0) return -EFAULT; uaddr += PAGE_SIZE; } /* Check whether the range spilled into the next page. */ if (((unsigned long)uaddr & ~PAGE_MASK) == ((unsigned long)end & ~PAGE_MASK)) ret = subyte(end, 0); return ret; } enum __drm_capabilities { CAP_SYS_ADMIN }; static inline bool capable(enum __drm_capabilities cap) { switch (cap) { case CAP_SYS_ADMIN: return DRM_SUSER(curthread); default: panic("%s: unhandled capability: %0x", __func__, cap); return (false); } } #define to_user_ptr(x) ((void *)(uintptr_t)(x)) #define sigemptyset(set) SIGEMPTYSET(set) #define sigaddset(set, sig) SIGADDSET(set, sig) #define DRM_LOCK(dev) sx_xlock(&(dev)->dev_struct_lock) #define DRM_UNLOCK(dev) sx_xunlock(&(dev)->dev_struct_lock) extern unsigned long drm_linux_timer_hz_mask; #define jiffies ticks #define jiffies_to_msecs(x) (((int64_t)(x)) * 1000 / hz) #define msecs_to_jiffies(x) (((int64_t)(x)) * hz / 1000) #define timespec_to_jiffies(x) (((x)->tv_sec * 1000000 + (x)->tv_nsec) * hz / 1000000) #define time_after(a,b) ((long)(b) - (long)(a) < 0) #define time_after_eq(a,b) ((long)(b) - (long)(a) <= 0) #define round_jiffies(j) ((unsigned long)(((j) + drm_linux_timer_hz_mask) & ~drm_linux_timer_hz_mask)) #define round_jiffies_up(j) round_jiffies(j) /* TODO */ #define round_jiffies_up_relative(j) round_jiffies_up(j) /* TODO */ #define getrawmonotonic(ts) getnanouptime(ts) #define wake_up(queue) wakeup_one((void *)queue) #define wake_up_interruptible(queue) wakeup_one((void *)queue) #define wake_up_all(queue) wakeup((void *)queue) #define wake_up_interruptible_all(queue) wakeup((void *)queue) struct completion { unsigned int done; struct mtx lock; }; #define INIT_COMPLETION(c) ((c).done = 0); static inline void init_completion(struct completion *c) { mtx_init(&c->lock, "drmcompl", NULL, MTX_DEF); c->done = 0; } static inline void free_completion(struct completion *c) { mtx_destroy(&c->lock); } static inline void complete_all(struct completion *c) { mtx_lock(&c->lock); c->done++; mtx_unlock(&c->lock); wakeup(c); } static inline long wait_for_completion_interruptible_timeout(struct completion *c, unsigned long timeout) { unsigned long start_jiffies, elapsed_jiffies; bool timeout_expired = false, awakened = false; long ret = timeout; start_jiffies = ticks; mtx_lock(&c->lock); while (c->done == 0 && !timeout_expired) { ret = -msleep(c, &c->lock, PCATCH, "drmwco", timeout); switch(ret) { case -EWOULDBLOCK: timeout_expired = true; ret = 0; break; case -EINTR: case -ERESTART: ret = -ERESTARTSYS; break; case 0: awakened = true; break; } } mtx_unlock(&c->lock); if (awakened) { elapsed_jiffies = ticks - start_jiffies; ret = timeout > elapsed_jiffies ? timeout - elapsed_jiffies : 1; } return (ret); } MALLOC_DECLARE(DRM_MEM_DMA); MALLOC_DECLARE(DRM_MEM_SAREA); MALLOC_DECLARE(DRM_MEM_DRIVER); MALLOC_DECLARE(DRM_MEM_MAGIC); MALLOC_DECLARE(DRM_MEM_MINOR); MALLOC_DECLARE(DRM_MEM_IOCTLS); MALLOC_DECLARE(DRM_MEM_MAPS); MALLOC_DECLARE(DRM_MEM_BUFS); MALLOC_DECLARE(DRM_MEM_SEGS); MALLOC_DECLARE(DRM_MEM_PAGES); MALLOC_DECLARE(DRM_MEM_FILES); MALLOC_DECLARE(DRM_MEM_QUEUES); MALLOC_DECLARE(DRM_MEM_CMDS); MALLOC_DECLARE(DRM_MEM_MAPPINGS); MALLOC_DECLARE(DRM_MEM_BUFLISTS); MALLOC_DECLARE(DRM_MEM_AGPLISTS); MALLOC_DECLARE(DRM_MEM_CTXBITMAP); MALLOC_DECLARE(DRM_MEM_SGLISTS); MALLOC_DECLARE(DRM_MEM_MM); MALLOC_DECLARE(DRM_MEM_HASHTAB); MALLOC_DECLARE(DRM_MEM_KMS); MALLOC_DECLARE(DRM_MEM_VBLANK); #define simple_strtol(a, b, c) strtol((a), (b), (c)) typedef struct drm_pci_id_list { int vendor; int device; long driver_private; char *name; } drm_pci_id_list_t; #ifdef __i386__ #define CONFIG_X86 1 #endif #ifdef __amd64__ #define CONFIG_X86 1 #define CONFIG_X86_64 1 #endif #ifdef __ia64__ #define CONFIG_IA64 1 #endif #if defined(__i386__) || defined(__amd64__) #define CONFIG_ACPI #define CONFIG_DRM_I915_KMS #undef CONFIG_INTEL_IOMMU #endif #ifdef COMPAT_FREEBSD32 #define CONFIG_COMPAT #endif +#ifndef __arm__ #define CONFIG_AGP 1 #define CONFIG_MTRR 1 +#endif #define CONFIG_FB 1 extern const char *fb_mode_option; #undef CONFIG_DEBUG_FS #undef CONFIG_VGA_CONSOLE #define EXPORT_SYMBOL(x) #define EXPORT_SYMBOL_GPL(x) #define MODULE_AUTHOR(author) #define MODULE_DESCRIPTION(desc) #define MODULE_LICENSE(license) #define MODULE_PARM_DESC(name, desc) #define MODULE_DEVICE_TABLE(name, list) #define module_param_named(name, var, type, perm) #define printk printf #define pr_err DRM_ERROR #define pr_warn DRM_WARNING #define pr_warn_once DRM_WARNING #define KERN_DEBUG "" /* I2C compatibility. */ #define I2C_M_RD IIC_M_RD #define I2C_M_WR IIC_M_WR #define I2C_M_NOSTART IIC_M_NOSTART struct fb_info * framebuffer_alloc(void); void framebuffer_release(struct fb_info *info); #define console_lock() #define console_unlock() #define console_trylock() true #define PM_EVENT_SUSPEND 0x0002 #define PM_EVENT_QUIESCE 0x0008 #define PM_EVENT_PRETHAW PM_EVENT_QUIESCE typedef struct pm_message { int event; } pm_message_t; static inline int pci_read_config_byte(device_t kdev, int where, u8 *val) { *val = (u8)pci_read_config(kdev, where, 1); return (0); } static inline int pci_write_config_byte(device_t kdev, int where, u8 val) { pci_write_config(kdev, where, val, 1); return (0); } static inline int pci_read_config_word(device_t kdev, int where, uint16_t *val) { *val = (uint16_t)pci_read_config(kdev, where, 2); return (0); } static inline int pci_write_config_word(device_t kdev, int where, uint16_t val) { pci_write_config(kdev, where, val, 2); return (0); } static inline int pci_read_config_dword(device_t kdev, int where, uint32_t *val) { *val = (uint32_t)pci_read_config(kdev, where, 4); return (0); } static inline int pci_write_config_dword(device_t kdev, int where, uint32_t val) { pci_write_config(kdev, where, val, 4); return (0); } static inline void on_each_cpu(void callback(void *data), void *data, int wait) { smp_rendezvous(NULL, callback, NULL, data); } void hex_dump_to_buffer(const void *buf, size_t len, int rowsize, int groupsize, char *linebuf, size_t linebuflen, bool ascii); #define KIB_NOTYET() \ do { \ if (drm_debug && drm_notyet) \ printf("NOTYET: %s at %s:%d\n", __func__, __FILE__, __LINE__); \ } while (0) #endif /* _DRM_OS_FREEBSD_H_ */ diff --git a/sys/dev/drm2/ttm/ttm_bo_util.c b/sys/dev/drm2/ttm/ttm_bo_util.c index fbbaaf2029fa..c53bb21450d8 100644 --- a/sys/dev/drm2/ttm/ttm_bo_util.c +++ b/sys/dev/drm2/ttm/ttm_bo_util.c @@ -1,667 +1,668 @@ /************************************************************************** * * Copyright (c) 2007-2009 VMware, Inc., Palo Alto, CA., USA * 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, sub license, 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 NON-INFRINGEMENT. IN NO EVENT SHALL * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS 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: Thomas Hellstrom */ #include __FBSDID("$FreeBSD$"); #include #include #include #include void ttm_bo_free_old_node(struct ttm_buffer_object *bo) { ttm_bo_mem_put(bo, &bo->mem); } int ttm_bo_move_ttm(struct ttm_buffer_object *bo, bool evict, bool no_wait_gpu, struct ttm_mem_reg *new_mem) { struct ttm_tt *ttm = bo->ttm; struct ttm_mem_reg *old_mem = &bo->mem; int ret; if (old_mem->mem_type != TTM_PL_SYSTEM) { ttm_tt_unbind(ttm); ttm_bo_free_old_node(bo); ttm_flag_masked(&old_mem->placement, TTM_PL_FLAG_SYSTEM, TTM_PL_MASK_MEM); old_mem->mem_type = TTM_PL_SYSTEM; } ret = ttm_tt_set_placement_caching(ttm, new_mem->placement); if (unlikely(ret != 0)) return ret; if (new_mem->mem_type != TTM_PL_SYSTEM) { ret = ttm_tt_bind(ttm, new_mem); if (unlikely(ret != 0)) return ret; } *old_mem = *new_mem; new_mem->mm_node = NULL; return 0; } int ttm_mem_io_lock(struct ttm_mem_type_manager *man, bool interruptible) { if (likely(man->io_reserve_fastpath)) return 0; if (interruptible) { if (sx_xlock_sig(&man->io_reserve_mutex)) return (-EINTR); else return (0); } sx_xlock(&man->io_reserve_mutex); return 0; } void ttm_mem_io_unlock(struct ttm_mem_type_manager *man) { if (likely(man->io_reserve_fastpath)) return; sx_xunlock(&man->io_reserve_mutex); } static int ttm_mem_io_evict(struct ttm_mem_type_manager *man) { struct ttm_buffer_object *bo; if (!man->use_io_reserve_lru || list_empty(&man->io_reserve_lru)) return -EAGAIN; bo = list_first_entry(&man->io_reserve_lru, struct ttm_buffer_object, io_reserve_lru); list_del_init(&bo->io_reserve_lru); ttm_bo_unmap_virtual_locked(bo); return 0; } static int ttm_mem_io_reserve(struct ttm_bo_device *bdev, struct ttm_mem_reg *mem) { struct ttm_mem_type_manager *man = &bdev->man[mem->mem_type]; int ret = 0; if (!bdev->driver->io_mem_reserve) return 0; if (likely(man->io_reserve_fastpath)) return bdev->driver->io_mem_reserve(bdev, mem); if (bdev->driver->io_mem_reserve && mem->bus.io_reserved_count++ == 0) { retry: ret = bdev->driver->io_mem_reserve(bdev, mem); if (ret == -EAGAIN) { ret = ttm_mem_io_evict(man); if (ret == 0) goto retry; } } return ret; } static void ttm_mem_io_free(struct ttm_bo_device *bdev, struct ttm_mem_reg *mem) { struct ttm_mem_type_manager *man = &bdev->man[mem->mem_type]; if (likely(man->io_reserve_fastpath)) return; if (bdev->driver->io_mem_reserve && --mem->bus.io_reserved_count == 0 && bdev->driver->io_mem_free) bdev->driver->io_mem_free(bdev, mem); } int ttm_mem_io_reserve_vm(struct ttm_buffer_object *bo) { struct ttm_mem_reg *mem = &bo->mem; int ret; if (!mem->bus.io_reserved_vm) { struct ttm_mem_type_manager *man = &bo->bdev->man[mem->mem_type]; ret = ttm_mem_io_reserve(bo->bdev, mem); if (unlikely(ret != 0)) return ret; mem->bus.io_reserved_vm = true; if (man->use_io_reserve_lru) list_add_tail(&bo->io_reserve_lru, &man->io_reserve_lru); } return 0; } void ttm_mem_io_free_vm(struct ttm_buffer_object *bo) { struct ttm_mem_reg *mem = &bo->mem; if (mem->bus.io_reserved_vm) { mem->bus.io_reserved_vm = false; list_del_init(&bo->io_reserve_lru); ttm_mem_io_free(bo->bdev, mem); } } static int ttm_mem_reg_ioremap(struct ttm_bo_device *bdev, struct ttm_mem_reg *mem, void **virtual) { struct ttm_mem_type_manager *man = &bdev->man[mem->mem_type]; int ret; void *addr; *virtual = NULL; (void) ttm_mem_io_lock(man, false); ret = ttm_mem_io_reserve(bdev, mem); ttm_mem_io_unlock(man); if (ret || !mem->bus.is_iomem) return ret; if (mem->bus.addr) { addr = mem->bus.addr; } else { addr = pmap_mapdev_attr(mem->bus.base + mem->bus.offset, mem->bus.size, (mem->placement & TTM_PL_FLAG_WC) ? VM_MEMATTR_WRITE_COMBINING : VM_MEMATTR_UNCACHEABLE); if (!addr) { (void) ttm_mem_io_lock(man, false); ttm_mem_io_free(bdev, mem); ttm_mem_io_unlock(man); return -ENOMEM; } } *virtual = addr; return 0; } static void ttm_mem_reg_iounmap(struct ttm_bo_device *bdev, struct ttm_mem_reg *mem, void *virtual) { struct ttm_mem_type_manager *man; man = &bdev->man[mem->mem_type]; if (virtual && mem->bus.addr == NULL) pmap_unmapdev((vm_offset_t)virtual, mem->bus.size); (void) ttm_mem_io_lock(man, false); ttm_mem_io_free(bdev, mem); ttm_mem_io_unlock(man); } static int ttm_copy_io_page(void *dst, void *src, unsigned long page) { uint32_t *dstP = (uint32_t *) ((unsigned long)dst + (page << PAGE_SHIFT)); uint32_t *srcP = (uint32_t *) ((unsigned long)src + (page << PAGE_SHIFT)); int i; for (i = 0; i < PAGE_SIZE / sizeof(uint32_t); ++i) /* iowrite32(ioread32(srcP++), dstP++); */ *dstP++ = *srcP++; return 0; } static int ttm_copy_io_ttm_page(struct ttm_tt *ttm, void *src, unsigned long page, vm_memattr_t prot) { vm_page_t d = ttm->pages[page]; void *dst; if (!d) return -ENOMEM; src = (void *)((unsigned long)src + (page << PAGE_SHIFT)); /* XXXKIB can't sleep ? */ dst = pmap_mapdev_attr(VM_PAGE_TO_PHYS(d), PAGE_SIZE, prot); if (!dst) return -ENOMEM; memcpy(dst, src, PAGE_SIZE); pmap_unmapdev((vm_offset_t)dst, PAGE_SIZE); return 0; } static int ttm_copy_ttm_io_page(struct ttm_tt *ttm, void *dst, unsigned long page, vm_memattr_t prot) { vm_page_t s = ttm->pages[page]; void *src; if (!s) return -ENOMEM; dst = (void *)((unsigned long)dst + (page << PAGE_SHIFT)); src = pmap_mapdev_attr(VM_PAGE_TO_PHYS(s), PAGE_SIZE, prot); if (!src) return -ENOMEM; memcpy(dst, src, PAGE_SIZE); pmap_unmapdev((vm_offset_t)src, PAGE_SIZE); return 0; } int ttm_bo_move_memcpy(struct ttm_buffer_object *bo, bool evict, bool no_wait_gpu, struct ttm_mem_reg *new_mem) { struct ttm_bo_device *bdev = bo->bdev; struct ttm_mem_type_manager *man = &bdev->man[new_mem->mem_type]; struct ttm_tt *ttm = bo->ttm; struct ttm_mem_reg *old_mem = &bo->mem; struct ttm_mem_reg old_copy = *old_mem; void *old_iomap; void *new_iomap; int ret; unsigned long i; unsigned long page; unsigned long add = 0; int dir; ret = ttm_mem_reg_ioremap(bdev, old_mem, &old_iomap); if (ret) return ret; ret = ttm_mem_reg_ioremap(bdev, new_mem, &new_iomap); if (ret) goto out; if (old_iomap == NULL && new_iomap == NULL) goto out2; if (old_iomap == NULL && ttm == NULL) goto out2; if (ttm->state == tt_unpopulated) { ret = ttm->bdev->driver->ttm_tt_populate(ttm); if (ret) { /* if we fail here don't nuke the mm node * as the bo still owns it */ old_copy.mm_node = NULL; goto out1; } } add = 0; dir = 1; if ((old_mem->mem_type == new_mem->mem_type) && (new_mem->start < old_mem->start + old_mem->size)) { dir = -1; add = new_mem->num_pages - 1; } for (i = 0; i < new_mem->num_pages; ++i) { page = i * dir + add; if (old_iomap == NULL) { vm_memattr_t prot = ttm_io_prot(old_mem->placement); ret = ttm_copy_ttm_io_page(ttm, new_iomap, page, prot); } else if (new_iomap == NULL) { vm_memattr_t prot = ttm_io_prot(new_mem->placement); ret = ttm_copy_io_ttm_page(ttm, old_iomap, page, prot); } else ret = ttm_copy_io_page(new_iomap, old_iomap, page); if (ret) { /* failing here, means keep old copy as-is */ old_copy.mm_node = NULL; goto out1; } } mb(); out2: old_copy = *old_mem; *old_mem = *new_mem; new_mem->mm_node = NULL; if ((man->flags & TTM_MEMTYPE_FLAG_FIXED) && (ttm != NULL)) { ttm_tt_unbind(ttm); ttm_tt_destroy(ttm); bo->ttm = NULL; } out1: ttm_mem_reg_iounmap(bdev, old_mem, new_iomap); out: ttm_mem_reg_iounmap(bdev, &old_copy, old_iomap); ttm_bo_mem_put(bo, &old_copy); return ret; } MALLOC_DEFINE(M_TTM_TRANSF_OBJ, "ttm_transf_obj", "TTM Transfer Objects"); static void ttm_transfered_destroy(struct ttm_buffer_object *bo) { free(bo, M_TTM_TRANSF_OBJ); } /** * ttm_buffer_object_transfer * * @bo: A pointer to a struct ttm_buffer_object. * @new_obj: A pointer to a pointer to a newly created ttm_buffer_object, * holding the data of @bo with the old placement. * * This is a utility function that may be called after an accelerated move * has been scheduled. A new buffer object is created as a placeholder for * the old data while it's being copied. When that buffer object is idle, * it can be destroyed, releasing the space of the old placement. * Returns: * !0: Failure. */ static int ttm_buffer_object_transfer(struct ttm_buffer_object *bo, struct ttm_buffer_object **new_obj) { struct ttm_buffer_object *fbo; struct ttm_bo_device *bdev = bo->bdev; struct ttm_bo_driver *driver = bdev->driver; fbo = malloc(sizeof(*fbo), M_TTM_TRANSF_OBJ, M_WAITOK); *fbo = *bo; /** * Fix up members that we shouldn't copy directly: * TODO: Explicit member copy would probably be better here. */ INIT_LIST_HEAD(&fbo->ddestroy); INIT_LIST_HEAD(&fbo->lru); INIT_LIST_HEAD(&fbo->swap); INIT_LIST_HEAD(&fbo->io_reserve_lru); fbo->vm_node = NULL; atomic_set(&fbo->cpu_writers, 0); mtx_lock(&bdev->fence_lock); if (bo->sync_obj) fbo->sync_obj = driver->sync_obj_ref(bo->sync_obj); else fbo->sync_obj = NULL; mtx_unlock(&bdev->fence_lock); refcount_init(&fbo->list_kref, 1); refcount_init(&fbo->kref, 1); fbo->destroy = &ttm_transfered_destroy; fbo->acc_size = 0; *new_obj = fbo; return 0; } vm_memattr_t ttm_io_prot(uint32_t caching_flags) { -#if defined(__i386__) || defined(__amd64__) || defined(__powerpc__) +#if defined(__i386__) || defined(__amd64__) || defined(__powerpc__) || \ + defined(__arm__) if (caching_flags & TTM_PL_FLAG_WC) return (VM_MEMATTR_WRITE_COMBINING); else /* * We do not support i386, look at the linux source * for the reason of the comment. */ return (VM_MEMATTR_UNCACHEABLE); #else #error Port me #endif } static int ttm_bo_ioremap(struct ttm_buffer_object *bo, unsigned long offset, unsigned long size, struct ttm_bo_kmap_obj *map) { struct ttm_mem_reg *mem = &bo->mem; if (bo->mem.bus.addr) { map->bo_kmap_type = ttm_bo_map_premapped; map->virtual = (void *)(((u8 *)bo->mem.bus.addr) + offset); } else { map->bo_kmap_type = ttm_bo_map_iomap; map->virtual = pmap_mapdev_attr(bo->mem.bus.base + bo->mem.bus.offset + offset, size, (mem->placement & TTM_PL_FLAG_WC) ? VM_MEMATTR_WRITE_COMBINING : VM_MEMATTR_UNCACHEABLE); map->size = size; } return (!map->virtual) ? -ENOMEM : 0; } static int ttm_bo_kmap_ttm(struct ttm_buffer_object *bo, unsigned long start_page, unsigned long num_pages, struct ttm_bo_kmap_obj *map) { struct ttm_mem_reg *mem = &bo->mem; vm_memattr_t prot; struct ttm_tt *ttm = bo->ttm; int i, ret; MPASS(ttm != NULL); if (ttm->state == tt_unpopulated) { ret = ttm->bdev->driver->ttm_tt_populate(ttm); if (ret) return ret; } if (num_pages == 1 && (mem->placement & TTM_PL_FLAG_CACHED)) { /* * We're mapping a single page, and the desired * page protection is consistent with the bo. */ map->bo_kmap_type = ttm_bo_map_kmap; map->page = ttm->pages[start_page]; map->sf = sf_buf_alloc(map->page, 0); map->virtual = (void *)sf_buf_kva(map->sf); } else { /* * We need to use vmap to get the desired page protection * or to make the buffer object look contiguous. */ prot = (mem->placement & TTM_PL_FLAG_CACHED) ? VM_MEMATTR_DEFAULT : ttm_io_prot(mem->placement); map->bo_kmap_type = ttm_bo_map_vmap; map->num_pages = num_pages; map->virtual = (void *)kva_alloc(num_pages * PAGE_SIZE); if (map->virtual != NULL) { for (i = 0; i < num_pages; i++) { /* XXXKIB hack */ pmap_page_set_memattr(ttm->pages[start_page + i], prot); } pmap_qenter((vm_offset_t)map->virtual, &ttm->pages[start_page], num_pages); } } return (!map->virtual) ? -ENOMEM : 0; } int ttm_bo_kmap(struct ttm_buffer_object *bo, unsigned long start_page, unsigned long num_pages, struct ttm_bo_kmap_obj *map) { struct ttm_mem_type_manager *man = &bo->bdev->man[bo->mem.mem_type]; unsigned long offset, size; int ret; MPASS(list_empty(&bo->swap)); map->virtual = NULL; map->bo = bo; if (num_pages > bo->num_pages) return -EINVAL; if (start_page > bo->num_pages) return -EINVAL; #if 0 if (num_pages > 1 && !DRM_SUSER(DRM_CURPROC)) return -EPERM; #endif (void) ttm_mem_io_lock(man, false); ret = ttm_mem_io_reserve(bo->bdev, &bo->mem); ttm_mem_io_unlock(man); if (ret) return ret; if (!bo->mem.bus.is_iomem) { return ttm_bo_kmap_ttm(bo, start_page, num_pages, map); } else { offset = start_page << PAGE_SHIFT; size = num_pages << PAGE_SHIFT; return ttm_bo_ioremap(bo, offset, size, map); } } void ttm_bo_kunmap(struct ttm_bo_kmap_obj *map) { struct ttm_buffer_object *bo = map->bo; struct ttm_mem_type_manager *man = &bo->bdev->man[bo->mem.mem_type]; if (!map->virtual) return; switch (map->bo_kmap_type) { case ttm_bo_map_iomap: pmap_unmapdev((vm_offset_t)map->virtual, map->size); break; case ttm_bo_map_vmap: pmap_qremove((vm_offset_t)(map->virtual), map->num_pages); kva_free((vm_offset_t)map->virtual, map->num_pages * PAGE_SIZE); break; case ttm_bo_map_kmap: sf_buf_free(map->sf); break; case ttm_bo_map_premapped: break; default: MPASS(0); } (void) ttm_mem_io_lock(man, false); ttm_mem_io_free(map->bo->bdev, &map->bo->mem); ttm_mem_io_unlock(man); map->virtual = NULL; map->page = NULL; map->sf = NULL; } int ttm_bo_move_accel_cleanup(struct ttm_buffer_object *bo, void *sync_obj, bool evict, bool no_wait_gpu, struct ttm_mem_reg *new_mem) { struct ttm_bo_device *bdev = bo->bdev; struct ttm_bo_driver *driver = bdev->driver; struct ttm_mem_type_manager *man = &bdev->man[new_mem->mem_type]; struct ttm_mem_reg *old_mem = &bo->mem; int ret; struct ttm_buffer_object *ghost_obj; void *tmp_obj = NULL; mtx_lock(&bdev->fence_lock); if (bo->sync_obj) { tmp_obj = bo->sync_obj; bo->sync_obj = NULL; } bo->sync_obj = driver->sync_obj_ref(sync_obj); if (evict) { ret = ttm_bo_wait(bo, false, false, false); mtx_unlock(&bdev->fence_lock); if (tmp_obj) driver->sync_obj_unref(&tmp_obj); if (ret) return ret; if ((man->flags & TTM_MEMTYPE_FLAG_FIXED) && (bo->ttm != NULL)) { ttm_tt_unbind(bo->ttm); ttm_tt_destroy(bo->ttm); bo->ttm = NULL; } ttm_bo_free_old_node(bo); } else { /** * This should help pipeline ordinary buffer moves. * * Hang old buffer memory on a new buffer object, * and leave it to be released when the GPU * operation has completed. */ set_bit(TTM_BO_PRIV_FLAG_MOVING, &bo->priv_flags); mtx_unlock(&bdev->fence_lock); if (tmp_obj) driver->sync_obj_unref(&tmp_obj); ret = ttm_buffer_object_transfer(bo, &ghost_obj); if (ret) return ret; /** * If we're not moving to fixed memory, the TTM object * needs to stay alive. Otherwhise hang it on the ghost * bo to be unbound and destroyed. */ if (!(man->flags & TTM_MEMTYPE_FLAG_FIXED)) ghost_obj->ttm = NULL; else bo->ttm = NULL; ttm_bo_unreserve(ghost_obj); ttm_bo_unref(&ghost_obj); } *old_mem = *new_mem; new_mem->mm_node = NULL; return 0; }