/drivers/include/drm/drmP.h |
---|
388,6 → 388,7 |
spinlock_t read_lock; |
spinlock_t write_lock; |
}; |
#endif |
struct drm_freelist { |
int initialized; /**< Freelist in use */ |
400,7 → 401,6 |
atomic_t wfh; /**< If waiting for high mark */ |
spinlock_t lock; |
}; |
#endif |
typedef struct drm_dma_handle { |
dma_addr_t busaddr; |
408,7 → 408,6 |
size_t size; |
} drm_dma_handle_t; |
#if 0 |
/** |
* Buffer entry. There is one of this for each buffer size order. |
*/ |
438,7 → 437,6 |
struct list_head head; |
struct mutex lock; |
}; |
#endif |
/** File private data */ |
struct drm_file { |
1027,7 → 1025,7 |
struct drm_info_node { |
struct list_head list; |
struct drm_minor *minor; |
struct drm_info_list *info_ent; |
const struct drm_info_list *info_ent; |
struct dentry *dent; |
}; |
1226,12 → 1224,6 |
#if 0 |
#ifdef __alpha__ |
#define drm_get_pci_domain(dev) dev->hose->index |
#else |
#define drm_get_pci_domain(dev) 0 |
#endif |
#if __OS_HAS_AGP |
static inline int drm_core_has_AGP(struct drm_device *dev) |
{ |
1246,39 → 1238,28 |
{ |
return drm_core_check_feature(dev, DRIVER_USE_MTRR); |
} |
#else |
#define drm_core_has_MTRR(dev) (0) |
#endif |
#define DRM_MTRR_WC MTRR_TYPE_WRCOMB |
static inline int drm_mtrr_add(unsigned long offset, unsigned long size, |
unsigned int flags) |
static inline void drm_device_set_unplugged(struct drm_device *dev) |
{ |
return mtrr_add(offset, size, flags, 1); |
smp_wmb(); |
atomic_set(&dev->unplugged, 1); |
} |
static inline int drm_mtrr_del(int handle, unsigned long offset, |
unsigned long size, unsigned int flags) |
static inline int drm_device_is_unplugged(struct drm_device *dev) |
{ |
return mtrr_del(handle, offset, size); |
int ret = atomic_read(&dev->unplugged); |
smp_rmb(); |
return ret; |
} |
#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) |
static inline bool drm_modeset_is_locked(struct drm_device *dev) |
{ |
return 0; |
return mutex_is_locked(&dev->mode_config.mutex); |
} |
static inline int drm_mtrr_del(int handle, unsigned long offset, |
unsigned long size, unsigned int flags) |
{ |
return 0; |
} |
#endif |
/******************************************************************/ |
/** \name Internal function definitions */ |
/*@{*/ |
1528,8 → 1509,7 |
extern struct drm_local_map *drm_getsarea(struct drm_device *dev); |
/* Proc support (drm_proc.h) */ |
extern int drm_proc_init(struct drm_minor *minor, int minor_id, |
struct proc_dir_entry *root); |
extern int drm_proc_init(struct drm_minor *minor, struct proc_dir_entry *root); |
extern int drm_proc_cleanup(struct drm_minor *minor, struct proc_dir_entry *root); |
/* Debugfs support */ |
/drivers/include/drm/drm_crtc.h |
---|
339,6 → 339,9 |
/* cursor controls */ |
int (*cursor_set)(struct drm_crtc *crtc, struct drm_file *file_priv, |
uint32_t handle, uint32_t width, uint32_t height); |
int (*cursor_set2)(struct drm_crtc *crtc, struct drm_file *file_priv, |
uint32_t handle, uint32_t width, uint32_t height, |
int32_t hot_x, int32_t hot_y); |
int (*cursor_move)(struct drm_crtc *crtc, int x, int y); |
/* Set gamma on the CRTC */ |
409,6 → 412,10 |
/* framebuffer the connector is currently bound to */ |
struct drm_framebuffer *fb; |
/* Temporary tracking of the old fb while a modeset is ongoing. Used |
* by drm_mode_set_config_internal to implement correct refcounting. */ |
struct drm_framebuffer *old_fb; |
bool enabled; |
/* Requested mode from modesetting. */ |
654,11 → 661,7 |
* @format_count: number of formats supported |
* @crtc: currently bound CRTC |
* @fb: currently bound fb |
* @gamma_size: size of gamma table |
* @gamma_store: gamma correction table |
* @enabled: enabled flag |
* @funcs: helper functions |
* @helper_private: storage for drver layer |
* @properties: property tracking for this plane |
*/ |
struct drm_plane { |
674,14 → 677,7 |
struct drm_crtc *crtc; |
struct drm_framebuffer *fb; |
/* CRTC gamma size for reporting to userspace */ |
uint32_t gamma_size; |
uint16_t *gamma_store; |
bool enabled; |
const struct drm_plane_funcs *funcs; |
void *helper_private; |
struct drm_object_properties properties; |
}; |
894,15 → 890,17 |
const uint32_t *formats, uint32_t format_count, |
bool priv); |
extern void drm_plane_cleanup(struct drm_plane *plane); |
extern void drm_plane_force_disable(struct drm_plane *plane); |
extern void drm_encoder_cleanup(struct drm_encoder *encoder); |
extern char *drm_get_connector_name(struct drm_connector *connector); |
extern char *drm_get_dpms_name(int val); |
extern char *drm_get_dvi_i_subconnector_name(int val); |
extern char *drm_get_dvi_i_select_name(int val); |
extern char *drm_get_tv_subconnector_name(int val); |
extern char *drm_get_tv_select_name(int val); |
extern const char *drm_get_connector_name(const struct drm_connector *connector); |
extern const char *drm_get_connector_status_name(enum drm_connector_status status); |
extern const char *drm_get_dpms_name(int val); |
extern const char *drm_get_dvi_i_subconnector_name(int val); |
extern const char *drm_get_dvi_i_select_name(int val); |
extern const char *drm_get_tv_subconnector_name(int val); |
extern const char *drm_get_tv_select_name(int val); |
extern void drm_fb_release(struct drm_file *file_priv); |
extern int drm_mode_group_init_legacy_group(struct drm_device *dev, struct drm_mode_group *group); |
extern bool drm_probe_ddc(struct i2c_adapter *adapter); |
994,7 → 992,7 |
extern int drm_mode_create_scaling_mode_property(struct drm_device *dev); |
extern int drm_mode_create_dithering_property(struct drm_device *dev); |
extern int drm_mode_create_dirty_info_property(struct drm_device *dev); |
extern char *drm_get_encoder_name(struct drm_encoder *encoder); |
extern const char *drm_get_encoder_name(const struct drm_encoder *encoder); |
extern int drm_mode_connector_attach_encoder(struct drm_connector *connector, |
struct drm_encoder *encoder); |
1022,6 → 1020,8 |
void *data, struct drm_file *file_priv); |
extern int drm_mode_cursor_ioctl(struct drm_device *dev, |
void *data, struct drm_file *file_priv); |
extern int drm_mode_cursor2_ioctl(struct drm_device *dev, |
void *data, struct drm_file *file_priv); |
extern int drm_mode_addfb(struct drm_device *dev, |
void *data, struct drm_file *file_priv); |
extern int drm_mode_addfb2(struct drm_device *dev, |
1094,5 → 1094,6 |
extern int drm_format_plane_cpp(uint32_t format, int plane); |
extern int drm_format_horz_chroma_subsampling(uint32_t format); |
extern int drm_format_vert_chroma_subsampling(uint32_t format); |
extern const char *drm_get_format_name(uint32_t format); |
#endif /* __DRM_CRTC_H__ */ |
/drivers/include/drm/drm_fixed.h |
---|
20,6 → 20,7 |
* OTHER DEALINGS IN THE SOFTWARE. |
* |
* Authors: Dave Airlie |
* Christian Konig |
*/ |
#ifndef DRM_FIXED_H |
#define DRM_FIXED_H |
65,4 → 66,95 |
tmp /= 2; |
return lower_32_bits(tmp); |
} |
#define DRM_FIXED_POINT 32 |
#define DRM_FIXED_ONE (1ULL << DRM_FIXED_POINT) |
#define DRM_FIXED_DECIMAL_MASK (DRM_FIXED_ONE - 1) |
#define DRM_FIXED_DIGITS_MASK (~DRM_FIXED_DECIMAL_MASK) |
static inline s64 drm_int2fixp(int a) |
{ |
return ((s64)a) << DRM_FIXED_POINT; |
} |
static inline int drm_fixp2int(int64_t a) |
{ |
return ((s64)a) >> DRM_FIXED_POINT; |
} |
static inline unsigned drm_fixp_msbset(int64_t a) |
{ |
unsigned shift, sign = (a >> 63) & 1; |
for (shift = 62; shift > 0; --shift) |
if (((a >> shift) & 1) != sign) |
return shift; |
return 0; |
} |
static inline s64 drm_fixp_mul(s64 a, s64 b) |
{ |
unsigned shift = drm_fixp_msbset(a) + drm_fixp_msbset(b); |
s64 result; |
if (shift > 61) { |
shift = shift - 61; |
a >>= (shift >> 1) + (shift & 1); |
b >>= shift >> 1; |
} else |
shift = 0; |
result = a * b; |
if (shift > DRM_FIXED_POINT) |
return result << (shift - DRM_FIXED_POINT); |
if (shift < DRM_FIXED_POINT) |
return result >> (DRM_FIXED_POINT - shift); |
return result; |
} |
static inline s64 drm_fixp_div(s64 a, s64 b) |
{ |
unsigned shift = 62 - drm_fixp_msbset(a); |
s64 result; |
a <<= shift; |
if (shift < DRM_FIXED_POINT) |
b >>= (DRM_FIXED_POINT - shift); |
result = div64_s64(a, b); |
if (shift > DRM_FIXED_POINT) |
return result >> (shift - DRM_FIXED_POINT); |
return result; |
} |
static inline s64 drm_fixp_exp(s64 x) |
{ |
s64 tolerance = div64_s64(DRM_FIXED_ONE, 1000000); |
s64 sum = DRM_FIXED_ONE, term, y = x; |
u64 count = 1; |
if (x < 0) |
y = -1 * x; |
term = y; |
while (term >= tolerance) { |
sum = sum + term; |
count = count + 1; |
term = drm_fixp_mul(term, div64_s64(y, count)); |
} |
if (x < 0) |
sum = drm_fixp_div(DRM_FIXED_ONE, sum); |
return sum; |
} |
#endif |
/drivers/include/drm/drm_memory.h |
---|
0,0 → 1,57 |
/** |
* \file drm_memory.h |
* Memory management wrappers for DRM |
* |
* \author Rickard E. (Rik) Faith <faith@valinux.com> |
* \author Gareth Hughes <gareth@valinux.com> |
*/ |
/* |
* 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 <drm/drmP.h> |
/** |
* Cut down version of drm_memory_debug.h, which used to be called |
* drm_memory.h. |
*/ |
#if __OS_HAS_AGP |
#ifdef HAVE_PAGE_AGP |
#include <asm/agp.h> |
#else |
# ifdef __powerpc__ |
# define PAGE_AGP __pgprot(_PAGE_KERNEL | _PAGE_NO_CACHE) |
# else |
# define PAGE_AGP PAGE_KERNEL |
# endif |
#endif |
#else /* __OS_HAS_AGP */ |
#endif |
/drivers/include/drm/drm_mm.h |
---|
177,17 → 177,6 |
return drm_mm_get_block_range_generic(parent, size, alignment, 0, |
start, end, 0); |
} |
static inline struct drm_mm_node *drm_mm_get_color_block_range( |
struct drm_mm_node *parent, |
unsigned long size, |
unsigned alignment, |
unsigned long color, |
unsigned long start, |
unsigned long end) |
{ |
return drm_mm_get_block_range_generic(parent, size, alignment, color, |
start, end, 0); |
} |
static inline struct drm_mm_node *drm_mm_get_block_atomic_range( |
struct drm_mm_node *parent, |
unsigned long size, |
255,28 → 244,9 |
return drm_mm_search_free_in_range_generic(mm, size, alignment, 0, |
start, end, best_match); |
} |
static inline struct drm_mm_node *drm_mm_search_free_color(const struct drm_mm *mm, |
unsigned long size, |
unsigned alignment, |
unsigned long color, |
bool best_match) |
{ |
return drm_mm_search_free_generic(mm,size, alignment, color, best_match); |
} |
static inline struct drm_mm_node *drm_mm_search_free_in_range_color( |
const struct drm_mm *mm, |
unsigned long size, |
unsigned alignment, |
unsigned long color, |
extern void drm_mm_init(struct drm_mm *mm, |
unsigned long start, |
unsigned long end, |
bool best_match) |
{ |
return drm_mm_search_free_in_range_generic(mm, size, alignment, color, |
start, end, best_match); |
} |
extern int drm_mm_init(struct drm_mm *mm, |
unsigned long start, |
unsigned long size); |
extern void drm_mm_takedown(struct drm_mm *mm); |
extern int drm_mm_clean(struct drm_mm *mm); |
/drivers/include/drm/drm_pciids.h |
---|
152,6 → 152,14 |
{0x1002, 0x6621, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_OLAND|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP}, \ |
{0x1002, 0x6623, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_OLAND|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP}, \ |
{0x1002, 0x6631, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_OLAND|RADEON_NEW_MEMMAP}, \ |
{0x1002, 0x6640, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_BONAIRE|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP}, \ |
{0x1002, 0x6641, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_BONAIRE|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP}, \ |
{0x1002, 0x6649, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_BONAIRE|RADEON_NEW_MEMMAP}, \ |
{0x1002, 0x6650, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_BONAIRE|RADEON_NEW_MEMMAP}, \ |
{0x1002, 0x6651, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_BONAIRE|RADEON_NEW_MEMMAP}, \ |
{0x1002, 0x6658, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_BONAIRE|RADEON_NEW_MEMMAP}, \ |
{0x1002, 0x665c, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_BONAIRE|RADEON_NEW_MEMMAP}, \ |
{0x1002, 0x665d, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_BONAIRE|RADEON_NEW_MEMMAP}, \ |
{0x1002, 0x6660, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_HAINAN|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP}, \ |
{0x1002, 0x6663, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_HAINAN|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP}, \ |
{0x1002, 0x6664, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_HAINAN|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP}, \ |
580,6 → 588,22 |
{0x1002, 0x9808, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_PALM|RADEON_NEW_MEMMAP|RADEON_IS_IGP}, \ |
{0x1002, 0x9809, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_PALM|RADEON_NEW_MEMMAP|RADEON_IS_IGP}, \ |
{0x1002, 0x980A, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_PALM|RADEON_NEW_MEMMAP|RADEON_IS_IGP}, \ |
{0x1002, 0x9830, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_KABINI|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP|RADEON_IS_IGP}, \ |
{0x1002, 0x9831, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_KABINI|RADEON_NEW_MEMMAP|RADEON_IS_IGP}, \ |
{0x1002, 0x9832, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_KABINI|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP|RADEON_IS_IGP}, \ |
{0x1002, 0x9833, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_KABINI|RADEON_NEW_MEMMAP|RADEON_IS_IGP}, \ |
{0x1002, 0x9834, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_KABINI|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP|RADEON_IS_IGP}, \ |
{0x1002, 0x9835, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_KABINI|RADEON_NEW_MEMMAP|RADEON_IS_IGP}, \ |
{0x1002, 0x9836, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_KABINI|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP|RADEON_IS_IGP}, \ |
{0x1002, 0x9837, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_KABINI|RADEON_NEW_MEMMAP|RADEON_IS_IGP}, \ |
{0x1002, 0x9838, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_KABINI|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP|RADEON_IS_IGP}, \ |
{0x1002, 0x9839, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_KABINI|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP|RADEON_IS_IGP}, \ |
{0x1002, 0x983a, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_KABINI|RADEON_NEW_MEMMAP|RADEON_IS_IGP}, \ |
{0x1002, 0x983b, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_KABINI|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP|RADEON_IS_IGP}, \ |
{0x1002, 0x983c, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_KABINI|RADEON_NEW_MEMMAP|RADEON_IS_IGP}, \ |
{0x1002, 0x983d, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_KABINI|RADEON_NEW_MEMMAP|RADEON_IS_IGP}, \ |
{0x1002, 0x983e, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_KABINI|RADEON_NEW_MEMMAP|RADEON_IS_IGP}, \ |
{0x1002, 0x983f, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_KABINI|RADEON_NEW_MEMMAP|RADEON_IS_IGP}, \ |
{0x1002, 0x9900, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_ARUBA|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP|RADEON_IS_IGP}, \ |
{0x1002, 0x9901, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_ARUBA|RADEON_NEW_MEMMAP|RADEON_IS_IGP}, \ |
{0x1002, 0x9903, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_ARUBA|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP|RADEON_IS_IGP}, \ |
/drivers/include/drm/drm_rect.h |
---|
0,0 → 1,167 |
/* |
* Copyright (C) 2011-2013 Intel Corporation |
* |
* Permission is hereby granted, free of charge, to any person obtaining a |
* copy of this software and associated documentation files (the "Software"), |
* to deal in the Software without restriction, including without limitation |
* the rights to use, copy, modify, merge, publish, distribute, sublicense, |
* and/or sell copies of the Software, and to permit persons to whom the |
* Software is furnished to do so, subject to the following conditions: |
* |
* The above copyright notice and this permission notice (including the next |
* paragraph) shall be included in all copies or substantial portions of the |
* Software. |
* |
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
* SOFTWARE. |
*/ |
#ifndef DRM_RECT_H |
#define DRM_RECT_H |
/** |
* DOC: rect utils |
* |
* Utility functions to help manage rectangular areas for |
* clipping, scaling, etc. calculations. |
*/ |
/** |
* struct drm_rect - two dimensional rectangle |
* @x1: horizontal starting coordinate (inclusive) |
* @x2: horizontal ending coordinate (exclusive) |
* @y1: vertical starting coordinate (inclusive) |
* @y2: vertical ending coordinate (exclusive) |
*/ |
struct drm_rect { |
int x1, y1, x2, y2; |
}; |
/** |
* drm_rect_adjust_size - adjust the size of the rectangle |
* @r: rectangle to be adjusted |
* @dw: horizontal adjustment |
* @dh: vertical adjustment |
* |
* Change the size of rectangle @r by @dw in the horizontal direction, |
* and by @dh in the vertical direction, while keeping the center |
* of @r stationary. |
* |
* Positive @dw and @dh increase the size, negative values decrease it. |
*/ |
static inline void drm_rect_adjust_size(struct drm_rect *r, int dw, int dh) |
{ |
r->x1 -= dw >> 1; |
r->y1 -= dh >> 1; |
r->x2 += (dw + 1) >> 1; |
r->y2 += (dh + 1) >> 1; |
} |
/** |
* drm_rect_translate - translate the rectangle |
* @r: rectangle to be tranlated |
* @dx: horizontal translation |
* @dy: vertical translation |
* |
* Move rectangle @r by @dx in the horizontal direction, |
* and by @dy in the vertical direction. |
*/ |
static inline void drm_rect_translate(struct drm_rect *r, int dx, int dy) |
{ |
r->x1 += dx; |
r->y1 += dy; |
r->x2 += dx; |
r->y2 += dy; |
} |
/** |
* drm_rect_downscale - downscale a rectangle |
* @r: rectangle to be downscaled |
* @horz: horizontal downscale factor |
* @vert: vertical downscale factor |
* |
* Divide the coordinates of rectangle @r by @horz and @vert. |
*/ |
static inline void drm_rect_downscale(struct drm_rect *r, int horz, int vert) |
{ |
r->x1 /= horz; |
r->y1 /= vert; |
r->x2 /= horz; |
r->y2 /= vert; |
} |
/** |
* drm_rect_width - determine the rectangle width |
* @r: rectangle whose width is returned |
* |
* RETURNS: |
* The width of the rectangle. |
*/ |
static inline int drm_rect_width(const struct drm_rect *r) |
{ |
return r->x2 - r->x1; |
} |
/** |
* drm_rect_height - determine the rectangle height |
* @r: rectangle whose height is returned |
* |
* RETURNS: |
* The height of the rectangle. |
*/ |
static inline int drm_rect_height(const struct drm_rect *r) |
{ |
return r->y2 - r->y1; |
} |
/** |
* drm_rect_visible - determine if the the rectangle is visible |
* @r: rectangle whose visibility is returned |
* |
* RETURNS: |
* %true if the rectangle is visible, %false otherwise. |
*/ |
static inline bool drm_rect_visible(const struct drm_rect *r) |
{ |
return drm_rect_width(r) > 0 && drm_rect_height(r) > 0; |
} |
/** |
* drm_rect_equals - determine if two rectangles are equal |
* @r1: first rectangle |
* @r2: second rectangle |
* |
* RETURNS: |
* %true if the rectangles are equal, %false otherwise. |
*/ |
static inline bool drm_rect_equals(const struct drm_rect *r1, |
const struct drm_rect *r2) |
{ |
return r1->x1 == r2->x1 && r1->x2 == r2->x2 && |
r1->y1 == r2->y1 && r1->y2 == r2->y2; |
} |
bool drm_rect_intersect(struct drm_rect *r, const struct drm_rect *clip); |
bool drm_rect_clip_scaled(struct drm_rect *src, struct drm_rect *dst, |
const struct drm_rect *clip, |
int hscale, int vscale); |
int drm_rect_calc_hscale(const struct drm_rect *src, |
const struct drm_rect *dst, |
int min_hscale, int max_hscale); |
int drm_rect_calc_vscale(const struct drm_rect *src, |
const struct drm_rect *dst, |
int min_vscale, int max_vscale); |
int drm_rect_calc_hscale_relaxed(struct drm_rect *src, |
struct drm_rect *dst, |
int min_hscale, int max_hscale); |
int drm_rect_calc_vscale_relaxed(struct drm_rect *src, |
struct drm_rect *dst, |
int min_vscale, int max_vscale); |
void drm_rect_debug_print(const struct drm_rect *r, bool fixed_point); |
#endif |
/drivers/include/drm/ttm/ttm_bo_api.h |
---|
44,7 → 44,11 |
struct drm_mm_node; |
struct reservation_object { |
struct mutex lock; |
}; |
/** |
* struct ttm_placement |
* |
153,7 → 157,6 |
* Lru lists may keep one refcount, the delayed delete list, and kref != 0 |
* keeps one refcount. When this refcount reaches zero, |
* the object is destroyed. |
* @event_queue: Queue for processes waiting on buffer object status change. |
* @mem: structure describing current placement. |
* @persistent_swap_storage: Usually the swap storage is deleted for buffers |
* pinned in physical memory. If this behaviour is not desired, this member |
164,12 → 167,6 |
* @lru: List head for the lru list. |
* @ddestroy: List head for the delayed destroy list. |
* @swap: List head for swap LRU list. |
* @val_seq: Sequence of the validation holding the @reserved lock. |
* Used to avoid starvation when many processes compete to validate the |
* buffer. This member is protected by the bo_device::lru_lock. |
* @seq_valid: The value of @val_seq is valid. This value is protected by |
* the bo_device::lru_lock. |
* @reserved: Deadlock-free lock used for synchronization state transitions. |
* @sync_obj: Pointer to a synchronization object. |
* @priv_flags: Flags describing buffer object internal state. |
* @vm_rb: Rb node for the vm rb tree. |
209,10 → 206,9 |
struct kref kref; |
struct kref list_kref; |
wait_queue_head_t event_queue; |
/** |
* Members protected by the bo::reserved lock. |
* Members protected by the bo::resv::reserved lock. |
*/ |
struct ttm_mem_reg mem; |
234,17 → 230,8 |
struct list_head ddestroy; |
struct list_head swap; |
struct list_head io_reserve_lru; |
uint32_t val_seq; |
bool seq_valid; |
/** |
* Members protected by the bdev::lru_lock |
* only when written to. |
*/ |
atomic_t reserved; |
/** |
* Members protected by struct buffer_object_device::fence_lock |
* In addition, setting sync_obj to anything else |
* than NULL requires bo::reserved to be held. This allows for |
272,6 → 259,9 |
uint32_t cur_placement; |
struct sg_table *sg; |
struct reservation_object *resv; |
struct reservation_object ttm_resv; |
}; |
/** |
725,18 → 715,4 |
extern void ttm_bo_swapout_all(struct ttm_bo_device *bdev); |
/** |
* ttm_bo_is_reserved - return an indication if a ttm buffer object is reserved |
* |
* @bo: The buffer object to check. |
* |
* This function returns an indication if a bo is reserved or not, and should |
* only be used to print an error when it is not from incorrect api usage, since |
* there's no guarantee that it is the caller that is holding the reservation. |
*/ |
static inline bool ttm_bo_is_reserved(struct ttm_buffer_object *bo) |
{ |
return atomic_read(&bo->reserved); |
} |
#endif |
/drivers/include/drm/ttm/ttm_bo_driver.h |
---|
33,6 → 33,7 |
#include <ttm/ttm_bo_api.h> |
#include <ttm/ttm_memory.h> |
#include <ttm/ttm_module.h> |
#include <ttm/ttm_placement.h> |
#include <drm/drm_mm.h> |
#include <drm/drm_global.h> |
//#include <linux/workqueue.h> |
39,6 → 40,8 |
//#include <linux/fs.h> |
#include <linux/spinlock.h> |
struct ww_acquire_ctx; |
struct ttm_backend_func { |
/** |
* struct ttm_backend_func member bind |
778,8 → 781,8 |
* @bo: A pointer to a struct ttm_buffer_object. |
* @interruptible: Sleep interruptible if waiting. |
* @no_wait: Don't sleep while trying to reserve, rather return -EBUSY. |
* @use_sequence: If @bo is already reserved, Only sleep waiting for |
* it to become unreserved if @sequence < (@bo)->sequence. |
* @use_ticket: If @bo is already reserved, Only sleep waiting for |
* it to become unreserved if @ticket->stamp is older. |
* |
* Locks a buffer object for validation. (Or prevents other processes from |
* locking it for validation) and removes it from lru lists, while taking |
790,19 → 793,10 |
* to make room for a buffer already reserved. (Buffers are reserved before |
* they are evicted). The following algorithm prevents such deadlocks from |
* occurring: |
* 1) Buffers are reserved with the lru spinlock held. Upon successful |
* reservation they are removed from the lru list. This stops a reserved buffer |
* from being evicted. However the lru spinlock is released between the time |
* a buffer is selected for eviction and the time it is reserved. |
* Therefore a check is made when a buffer is reserved for eviction, that it |
* is still the first buffer in the lru list, before it is removed from the |
* list. @check_lru == 1 forces this check. If it fails, the function returns |
* -EINVAL, and the caller should then choose a new buffer to evict and repeat |
* the procedure. |
* 2) Processes attempting to reserve multiple buffers other than for eviction, |
* Processes attempting to reserve multiple buffers other than for eviction, |
* (typically execbuf), should first obtain a unique 32-bit |
* validation sequence number, |
* and call this function with @use_sequence == 1 and @sequence == the unique |
* and call this function with @use_ticket == 1 and @ticket->stamp == the unique |
* sequence number. If upon call of this function, the buffer object is already |
* reserved, the validation sequence is checked against the validation |
* sequence of the process currently reserving the buffer, |
817,84 → 811,102 |
* will eventually succeed, preventing both deadlocks and starvation. |
* |
* Returns: |
* -EAGAIN: The reservation may cause a deadlock. |
* -EDEADLK: The reservation may cause a deadlock. |
* Release all buffer reservations, wait for @bo to become unreserved and |
* try again. (only if use_sequence == 1). |
* -ERESTARTSYS: A wait for the buffer to become unreserved was interrupted by |
* a signal. Release all buffer reservations and return to user-space. |
* -EBUSY: The function needed to sleep, but @no_wait was true |
* -EDEADLK: Bo already reserved using @sequence. This error code will only |
* be returned if @use_sequence is set to true. |
* -EALREADY: Bo already reserved using @ticket. This error code will only |
* be returned if @use_ticket is set to true. |
*/ |
extern int ttm_bo_reserve(struct ttm_buffer_object *bo, |
static inline int ttm_bo_reserve(struct ttm_buffer_object *bo, |
bool interruptible, |
bool no_wait, bool use_sequence, uint32_t sequence); |
bool no_wait, bool use_ticket, |
struct ww_acquire_ctx *ticket) |
{ |
int ret; |
WARN_ON(!atomic_read(&bo->kref.refcount)); |
ret = ttm_bo_reserve_nolru(bo, interruptible, no_wait, use_ticket, |
ticket); |
if (likely(ret == 0)) |
ttm_bo_del_sub_from_lru(bo); |
return ret; |
} |
/** |
* ttm_bo_reserve_locked: |
* |
* ttm_bo_reserve_slowpath: |
* @bo: A pointer to a struct ttm_buffer_object. |
* @interruptible: Sleep interruptible if waiting. |
* @no_wait: Don't sleep while trying to reserve, rather return -EBUSY. |
* @use_sequence: If @bo is already reserved, Only sleep waiting for |
* it to become unreserved if @sequence < (@bo)->sequence. |
* @sequence: Set (@bo)->sequence to this value after lock |
* |
* Must be called with struct ttm_bo_global::lru_lock held, |
* and will not remove reserved buffers from the lru lists. |
* The function may release the LRU spinlock if it needs to sleep. |
* Otherwise identical to ttm_bo_reserve. |
* |
* Returns: |
* -EAGAIN: The reservation may cause a deadlock. |
* Release all buffer reservations, wait for @bo to become unreserved and |
* try again. (only if use_sequence == 1). |
* -ERESTARTSYS: A wait for the buffer to become unreserved was interrupted by |
* a signal. Release all buffer reservations and return to user-space. |
* -EBUSY: The function needed to sleep, but @no_wait was true |
* -EDEADLK: Bo already reserved using @sequence. This error code will only |
* be returned if @use_sequence is set to true. |
* This is called after ttm_bo_reserve returns -EAGAIN and we backed off |
* from all our other reservations. Because there are no other reservations |
* held by us, this function cannot deadlock any more. |
*/ |
extern int ttm_bo_reserve_locked(struct ttm_buffer_object *bo, |
static inline int ttm_bo_reserve_slowpath(struct ttm_buffer_object *bo, |
bool interruptible, |
bool no_wait, bool use_sequence, |
uint32_t sequence); |
struct ww_acquire_ctx *ticket) |
{ |
int ret = 0; |
WARN_ON(!atomic_read(&bo->kref.refcount)); |
if (interruptible) |
ret = ww_mutex_lock_slow_interruptible(&bo->resv->lock, |
ticket); |
else |
ww_mutex_lock_slow(&bo->resv->lock, ticket); |
if (likely(ret == 0)) |
ttm_bo_del_sub_from_lru(bo); |
else if (ret == -EINTR) |
ret = -ERESTARTSYS; |
return ret; |
} |
/** |
* ttm_bo_unreserve |
* |
* ttm_bo_unreserve_ticket |
* @bo: A pointer to a struct ttm_buffer_object. |
* @ticket: ww_acquire_ctx used for reserving |
* |
* Unreserve a previous reservation of @bo. |
* Unreserve a previous reservation of @bo made with @ticket. |
*/ |
extern void ttm_bo_unreserve(struct ttm_buffer_object *bo); |
static inline void ttm_bo_unreserve_ticket(struct ttm_buffer_object *bo, |
struct ww_acquire_ctx *t) |
{ |
if (!(bo->mem.placement & TTM_PL_FLAG_NO_EVICT)) { |
spin_lock(&bo->glob->lru_lock); |
ttm_bo_add_to_lru(bo); |
spin_unlock(&bo->glob->lru_lock); |
} |
ww_mutex_unlock(&bo->resv->lock); |
} |
/** |
* ttm_bo_unreserve_locked |
* ttm_bo_unreserve |
* |
* @bo: A pointer to a struct ttm_buffer_object. |
* |
* Unreserve a previous reservation of @bo. |
* Needs to be called with struct ttm_bo_global::lru_lock held. |
*/ |
extern void ttm_bo_unreserve_locked(struct ttm_buffer_object *bo); |
static inline void ttm_bo_unreserve(struct ttm_buffer_object *bo) |
{ |
ttm_bo_unreserve_ticket(bo, NULL); |
} |
/** |
* ttm_bo_wait_unreserved |
* |
* @bo: A pointer to a struct ttm_buffer_object. |
* |
* Wait for a struct ttm_buffer_object to become unreserved. |
* This is typically used in the execbuf code to relax cpu-usage when |
* a potential deadlock condition backoff. |
*/ |
extern int ttm_bo_wait_unreserved(struct ttm_buffer_object *bo, |
bool interruptible); |
/* |
* ttm_bo_util.c |
*/ |
int ttm_mem_io_reserve(struct ttm_bo_device *bdev, |
struct ttm_mem_reg *mem); |
void ttm_mem_io_free(struct ttm_bo_device *bdev, |
struct ttm_mem_reg *mem); |
/** |
* ttm_bo_move_ttm |
* |
/drivers/include/drm/ttm/ttm_execbuf_util.h |
---|
57,6 → 57,7 |
/** |
* function ttm_eu_backoff_reservation |
* |
* @ticket: ww_acquire_ctx from reserve call |
* @list: thread private list of ttm_validate_buffer structs. |
* |
* Undoes all buffer validation reservations for bos pointed to by |
63,11 → 64,13 |
* the list entries. |
*/ |
extern void ttm_eu_backoff_reservation(struct list_head *list); |
extern void ttm_eu_backoff_reservation(struct ww_acquire_ctx *ticket, |
struct list_head *list); |
/** |
* function ttm_eu_reserve_buffers |
* |
* @ticket: [out] ww_acquire_ctx returned by call. |
* @list: thread private list of ttm_validate_buffer structs. |
* |
* Tries to reserve bos pointed to by the list entries for validation. |
90,11 → 93,13 |
* has failed. |
*/ |
extern int ttm_eu_reserve_buffers(struct list_head *list); |
extern int ttm_eu_reserve_buffers(struct ww_acquire_ctx *ticket, |
struct list_head *list); |
/** |
* function ttm_eu_fence_buffer_objects. |
* |
* @ticket: ww_acquire_ctx from reserve call |
* @list: thread private list of ttm_validate_buffer structs. |
* @sync_obj: The new sync object for the buffers. |
* |
104,6 → 109,7 |
* |
*/ |
extern void ttm_eu_fence_buffer_objects(struct list_head *list, void *sync_obj); |
extern void ttm_eu_fence_buffer_objects(struct ww_acquire_ctx *ticket, |
struct list_head *list, void *sync_obj); |
#endif |
/drivers/include/drm/ttm/ttm_object.h |
---|
40,7 → 40,7 |
#include <linux/list.h> |
#include <drm/drm_hashtab.h> |
#include <linux/kref.h> |
#include <linux/rcupdate.h> |
//#include <linux/rcupdate.h> |
#include <ttm/ttm_memory.h> |
/** |
/drivers/include/drm/vmwgfx_drm.h |
---|
0,0 → 1,790 |
/************************************************************************** |
* |
* Copyright © 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. |
* |
**************************************************************************/ |
#ifndef __VMWGFX_DRM_H__ |
#define __VMWGFX_DRM_H__ |
#define DRM_VMW_MAX_SURFACE_FACES 6 |
#define DRM_VMW_MAX_MIP_LEVELS 24 |
#define DRM_VMW_GET_PARAM 0 |
#define DRM_VMW_ALLOC_DMABUF 1 |
#define DRM_VMW_UNREF_DMABUF 2 |
#define DRM_VMW_CURSOR_BYPASS 3 |
/* guarded by DRM_VMW_PARAM_NUM_STREAMS != 0*/ |
#define DRM_VMW_CONTROL_STREAM 4 |
#define DRM_VMW_CLAIM_STREAM 5 |
#define DRM_VMW_UNREF_STREAM 6 |
/* guarded by DRM_VMW_PARAM_3D == 1 */ |
#define DRM_VMW_CREATE_CONTEXT 7 |
#define DRM_VMW_UNREF_CONTEXT 8 |
#define DRM_VMW_CREATE_SURFACE 9 |
#define DRM_VMW_UNREF_SURFACE 10 |
#define DRM_VMW_REF_SURFACE 11 |
#define DRM_VMW_EXECBUF 12 |
#define DRM_VMW_GET_3D_CAP 13 |
#define DRM_VMW_FENCE_WAIT 14 |
#define DRM_VMW_FENCE_SIGNALED 15 |
#define DRM_VMW_FENCE_UNREF 16 |
#define DRM_VMW_FENCE_EVENT 17 |
#define DRM_VMW_PRESENT 18 |
#define DRM_VMW_PRESENT_READBACK 19 |
#define DRM_VMW_UPDATE_LAYOUT 20 |
/*************************************************************************/ |
/** |
* DRM_VMW_GET_PARAM - get device information. |
* |
* DRM_VMW_PARAM_FIFO_OFFSET: |
* Offset to use to map the first page of the FIFO read-only. |
* The fifo is mapped using the mmap() system call on the drm device. |
* |
* DRM_VMW_PARAM_OVERLAY_IOCTL: |
* Does the driver support the overlay ioctl. |
*/ |
#define DRM_VMW_PARAM_NUM_STREAMS 0 |
#define DRM_VMW_PARAM_NUM_FREE_STREAMS 1 |
#define DRM_VMW_PARAM_3D 2 |
#define DRM_VMW_PARAM_HW_CAPS 3 |
#define DRM_VMW_PARAM_FIFO_CAPS 4 |
#define DRM_VMW_PARAM_MAX_FB_SIZE 5 |
#define DRM_VMW_PARAM_FIFO_HW_VERSION 6 |
/** |
* struct drm_vmw_getparam_arg |
* |
* @value: Returned value. //Out |
* @param: Parameter to query. //In. |
* |
* Argument to the DRM_VMW_GET_PARAM Ioctl. |
*/ |
struct drm_vmw_getparam_arg { |
uint64_t value; |
uint32_t param; |
uint32_t pad64; |
}; |
/*************************************************************************/ |
/** |
* DRM_VMW_CREATE_CONTEXT - Create a host context. |
* |
* Allocates a device unique context id, and queues a create context command |
* for the host. Does not wait for host completion. |
*/ |
/** |
* struct drm_vmw_context_arg |
* |
* @cid: Device unique context ID. |
* |
* Output argument to the DRM_VMW_CREATE_CONTEXT Ioctl. |
* Input argument to the DRM_VMW_UNREF_CONTEXT Ioctl. |
*/ |
struct drm_vmw_context_arg { |
int32_t cid; |
uint32_t pad64; |
}; |
/*************************************************************************/ |
/** |
* DRM_VMW_UNREF_CONTEXT - Create a host context. |
* |
* Frees a global context id, and queues a destroy host command for the host. |
* Does not wait for host completion. The context ID can be used directly |
* in the command stream and shows up as the same context ID on the host. |
*/ |
/*************************************************************************/ |
/** |
* DRM_VMW_CREATE_SURFACE - Create a host suface. |
* |
* Allocates a device unique surface id, and queues a create surface command |
* for the host. Does not wait for host completion. The surface ID can be |
* used directly in the command stream and shows up as the same surface |
* ID on the host. |
*/ |
/** |
* struct drm_wmv_surface_create_req |
* |
* @flags: Surface flags as understood by the host. |
* @format: Surface format as understood by the host. |
* @mip_levels: Number of mip levels for each face. |
* An unused face should have 0 encoded. |
* @size_addr: Address of a user-space array of sruct drm_vmw_size |
* cast to an uint64_t for 32-64 bit compatibility. |
* The size of the array should equal the total number of mipmap levels. |
* @shareable: Boolean whether other clients (as identified by file descriptors) |
* may reference this surface. |
* @scanout: Boolean whether the surface is intended to be used as a |
* scanout. |
* |
* Input data to the DRM_VMW_CREATE_SURFACE Ioctl. |
* Output data from the DRM_VMW_REF_SURFACE Ioctl. |
*/ |
struct drm_vmw_surface_create_req { |
uint32_t flags; |
uint32_t format; |
uint32_t mip_levels[DRM_VMW_MAX_SURFACE_FACES]; |
uint64_t size_addr; |
int32_t shareable; |
int32_t scanout; |
}; |
/** |
* struct drm_wmv_surface_arg |
* |
* @sid: Surface id of created surface or surface to destroy or reference. |
* |
* Output data from the DRM_VMW_CREATE_SURFACE Ioctl. |
* Input argument to the DRM_VMW_UNREF_SURFACE Ioctl. |
* Input argument to the DRM_VMW_REF_SURFACE Ioctl. |
*/ |
struct drm_vmw_surface_arg { |
int32_t sid; |
uint32_t pad64; |
}; |
/** |
* struct drm_vmw_size ioctl. |
* |
* @width - mip level width |
* @height - mip level height |
* @depth - mip level depth |
* |
* Description of a mip level. |
* Input data to the DRM_WMW_CREATE_SURFACE Ioctl. |
*/ |
struct drm_vmw_size { |
uint32_t width; |
uint32_t height; |
uint32_t depth; |
uint32_t pad64; |
}; |
/** |
* union drm_vmw_surface_create_arg |
* |
* @rep: Output data as described above. |
* @req: Input data as described above. |
* |
* Argument to the DRM_VMW_CREATE_SURFACE Ioctl. |
*/ |
union drm_vmw_surface_create_arg { |
struct drm_vmw_surface_arg rep; |
struct drm_vmw_surface_create_req req; |
}; |
/*************************************************************************/ |
/** |
* DRM_VMW_REF_SURFACE - Reference a host surface. |
* |
* Puts a reference on a host surface with a give sid, as previously |
* returned by the DRM_VMW_CREATE_SURFACE ioctl. |
* A reference will make sure the surface isn't destroyed while we hold |
* it and will allow the calling client to use the surface ID in the command |
* stream. |
* |
* On successful return, the Ioctl returns the surface information given |
* in the DRM_VMW_CREATE_SURFACE ioctl. |
*/ |
/** |
* union drm_vmw_surface_reference_arg |
* |
* @rep: Output data as described above. |
* @req: Input data as described above. |
* |
* Argument to the DRM_VMW_REF_SURFACE Ioctl. |
*/ |
union drm_vmw_surface_reference_arg { |
struct drm_vmw_surface_create_req rep; |
struct drm_vmw_surface_arg req; |
}; |
/*************************************************************************/ |
/** |
* DRM_VMW_UNREF_SURFACE - Unreference a host surface. |
* |
* Clear a reference previously put on a host surface. |
* When all references are gone, including the one implicitly placed |
* on creation, |
* a destroy surface command will be queued for the host. |
* Does not wait for completion. |
*/ |
/*************************************************************************/ |
/** |
* DRM_VMW_EXECBUF |
* |
* Submit a command buffer for execution on the host, and return a |
* fence seqno that when signaled, indicates that the command buffer has |
* executed. |
*/ |
/** |
* struct drm_vmw_execbuf_arg |
* |
* @commands: User-space address of a command buffer cast to an uint64_t. |
* @command-size: Size in bytes of the command buffer. |
* @throttle-us: Sleep until software is less than @throttle_us |
* microseconds ahead of hardware. The driver may round this value |
* to the nearest kernel tick. |
* @fence_rep: User-space address of a struct drm_vmw_fence_rep cast to an |
* uint64_t. |
* @version: Allows expanding the execbuf ioctl parameters without breaking |
* backwards compatibility, since user-space will always tell the kernel |
* which version it uses. |
* @flags: Execbuf flags. None currently. |
* |
* Argument to the DRM_VMW_EXECBUF Ioctl. |
*/ |
#define DRM_VMW_EXECBUF_VERSION 1 |
struct drm_vmw_execbuf_arg { |
uint64_t commands; |
uint32_t command_size; |
uint32_t throttle_us; |
uint64_t fence_rep; |
uint32_t version; |
uint32_t flags; |
}; |
/** |
* struct drm_vmw_fence_rep |
* |
* @handle: Fence object handle for fence associated with a command submission. |
* @mask: Fence flags relevant for this fence object. |
* @seqno: Fence sequence number in fifo. A fence object with a lower |
* seqno will signal the EXEC flag before a fence object with a higher |
* seqno. This can be used by user-space to avoid kernel calls to determine |
* whether a fence has signaled the EXEC flag. Note that @seqno will |
* wrap at 32-bit. |
* @passed_seqno: The highest seqno number processed by the hardware |
* so far. This can be used to mark user-space fence objects as signaled, and |
* to determine whether a fence seqno might be stale. |
* @error: This member should've been set to -EFAULT on submission. |
* The following actions should be take on completion: |
* error == -EFAULT: Fence communication failed. The host is synchronized. |
* Use the last fence id read from the FIFO fence register. |
* error != 0 && error != -EFAULT: |
* Fence submission failed. The host is synchronized. Use the fence_seq member. |
* error == 0: All is OK, The host may not be synchronized. |
* Use the fence_seq member. |
* |
* Input / Output data to the DRM_VMW_EXECBUF Ioctl. |
*/ |
struct drm_vmw_fence_rep { |
uint32_t handle; |
uint32_t mask; |
uint32_t seqno; |
uint32_t passed_seqno; |
uint32_t pad64; |
int32_t error; |
}; |
/*************************************************************************/ |
/** |
* DRM_VMW_ALLOC_DMABUF |
* |
* Allocate a DMA buffer that is visible also to the host. |
* NOTE: The buffer is |
* identified by a handle and an offset, which are private to the guest, but |
* useable in the command stream. The guest kernel may translate these |
* and patch up the command stream accordingly. In the future, the offset may |
* be zero at all times, or it may disappear from the interface before it is |
* fixed. |
* |
* The DMA buffer may stay user-space mapped in the guest at all times, |
* and is thus suitable for sub-allocation. |
* |
* DMA buffers are mapped using the mmap() syscall on the drm device. |
*/ |
/** |
* struct drm_vmw_alloc_dmabuf_req |
* |
* @size: Required minimum size of the buffer. |
* |
* Input data to the DRM_VMW_ALLOC_DMABUF Ioctl. |
*/ |
struct drm_vmw_alloc_dmabuf_req { |
uint32_t size; |
uint32_t pad64; |
}; |
/** |
* struct drm_vmw_dmabuf_rep |
* |
* @map_handle: Offset to use in the mmap() call used to map the buffer. |
* @handle: Handle unique to this buffer. Used for unreferencing. |
* @cur_gmr_id: GMR id to use in the command stream when this buffer is |
* referenced. See not above. |
* @cur_gmr_offset: Offset to use in the command stream when this buffer is |
* referenced. See note above. |
* |
* Output data from the DRM_VMW_ALLOC_DMABUF Ioctl. |
*/ |
struct drm_vmw_dmabuf_rep { |
uint64_t map_handle; |
uint32_t handle; |
uint32_t cur_gmr_id; |
uint32_t cur_gmr_offset; |
uint32_t pad64; |
}; |
/** |
* union drm_vmw_dmabuf_arg |
* |
* @req: Input data as described above. |
* @rep: Output data as described above. |
* |
* Argument to the DRM_VMW_ALLOC_DMABUF Ioctl. |
*/ |
union drm_vmw_alloc_dmabuf_arg { |
struct drm_vmw_alloc_dmabuf_req req; |
struct drm_vmw_dmabuf_rep rep; |
}; |
/*************************************************************************/ |
/** |
* DRM_VMW_UNREF_DMABUF - Free a DMA buffer. |
* |
*/ |
/** |
* struct drm_vmw_unref_dmabuf_arg |
* |
* @handle: Handle indicating what buffer to free. Obtained from the |
* DRM_VMW_ALLOC_DMABUF Ioctl. |
* |
* Argument to the DRM_VMW_UNREF_DMABUF Ioctl. |
*/ |
struct drm_vmw_unref_dmabuf_arg { |
uint32_t handle; |
uint32_t pad64; |
}; |
/*************************************************************************/ |
/** |
* DRM_VMW_CONTROL_STREAM - Control overlays, aka streams. |
* |
* This IOCTL controls the overlay units of the svga device. |
* The SVGA overlay units does not work like regular hardware units in |
* that they do not automaticaly read back the contents of the given dma |
* buffer. But instead only read back for each call to this ioctl, and |
* at any point between this call being made and a following call that |
* either changes the buffer or disables the stream. |
*/ |
/** |
* struct drm_vmw_rect |
* |
* Defines a rectangle. Used in the overlay ioctl to define |
* source and destination rectangle. |
*/ |
struct drm_vmw_rect { |
int32_t x; |
int32_t y; |
uint32_t w; |
uint32_t h; |
}; |
/** |
* struct drm_vmw_control_stream_arg |
* |
* @stream_id: Stearm to control |
* @enabled: If false all following arguments are ignored. |
* @handle: Handle to buffer for getting data from. |
* @format: Format of the overlay as understood by the host. |
* @width: Width of the overlay. |
* @height: Height of the overlay. |
* @size: Size of the overlay in bytes. |
* @pitch: Array of pitches, the two last are only used for YUV12 formats. |
* @offset: Offset from start of dma buffer to overlay. |
* @src: Source rect, must be within the defined area above. |
* @dst: Destination rect, x and y may be negative. |
* |
* Argument to the DRM_VMW_CONTROL_STREAM Ioctl. |
*/ |
struct drm_vmw_control_stream_arg { |
uint32_t stream_id; |
uint32_t enabled; |
uint32_t flags; |
uint32_t color_key; |
uint32_t handle; |
uint32_t offset; |
int32_t format; |
uint32_t size; |
uint32_t width; |
uint32_t height; |
uint32_t pitch[3]; |
uint32_t pad64; |
struct drm_vmw_rect src; |
struct drm_vmw_rect dst; |
}; |
/*************************************************************************/ |
/** |
* DRM_VMW_CURSOR_BYPASS - Give extra information about cursor bypass. |
* |
*/ |
#define DRM_VMW_CURSOR_BYPASS_ALL (1 << 0) |
#define DRM_VMW_CURSOR_BYPASS_FLAGS (1) |
/** |
* struct drm_vmw_cursor_bypass_arg |
* |
* @flags: Flags. |
* @crtc_id: Crtc id, only used if DMR_CURSOR_BYPASS_ALL isn't passed. |
* @xpos: X position of cursor. |
* @ypos: Y position of cursor. |
* @xhot: X hotspot. |
* @yhot: Y hotspot. |
* |
* Argument to the DRM_VMW_CURSOR_BYPASS Ioctl. |
*/ |
struct drm_vmw_cursor_bypass_arg { |
uint32_t flags; |
uint32_t crtc_id; |
int32_t xpos; |
int32_t ypos; |
int32_t xhot; |
int32_t yhot; |
}; |
/*************************************************************************/ |
/** |
* DRM_VMW_CLAIM_STREAM - Claim a single stream. |
*/ |
/** |
* struct drm_vmw_context_arg |
* |
* @stream_id: Device unique context ID. |
* |
* Output argument to the DRM_VMW_CREATE_CONTEXT Ioctl. |
* Input argument to the DRM_VMW_UNREF_CONTEXT Ioctl. |
*/ |
struct drm_vmw_stream_arg { |
uint32_t stream_id; |
uint32_t pad64; |
}; |
/*************************************************************************/ |
/** |
* DRM_VMW_UNREF_STREAM - Unclaim a stream. |
* |
* Return a single stream that was claimed by this process. Also makes |
* sure that the stream has been stopped. |
*/ |
/*************************************************************************/ |
/** |
* DRM_VMW_GET_3D_CAP |
* |
* Read 3D capabilities from the FIFO |
* |
*/ |
/** |
* struct drm_vmw_get_3d_cap_arg |
* |
* @buffer: Pointer to a buffer for capability data, cast to an uint64_t |
* @size: Max size to copy |
* |
* Input argument to the DRM_VMW_GET_3D_CAP_IOCTL |
* ioctls. |
*/ |
struct drm_vmw_get_3d_cap_arg { |
uint64_t buffer; |
uint32_t max_size; |
uint32_t pad64; |
}; |
/*************************************************************************/ |
/** |
* DRM_VMW_FENCE_WAIT |
* |
* Waits for a fence object to signal. The wait is interruptible, so that |
* signals may be delivered during the interrupt. The wait may timeout, |
* in which case the calls returns -EBUSY. If the wait is restarted, |
* that is restarting without resetting @cookie_valid to zero, |
* the timeout is computed from the first call. |
* |
* The flags argument to the DRM_VMW_FENCE_WAIT ioctl indicates what to wait |
* on: |
* DRM_VMW_FENCE_FLAG_EXEC: All commands ahead of the fence in the command |
* stream |
* have executed. |
* DRM_VMW_FENCE_FLAG_QUERY: All query results resulting from query finish |
* commands |
* in the buffer given to the EXECBUF ioctl returning the fence object handle |
* are available to user-space. |
* |
* DRM_VMW_WAIT_OPTION_UNREF: If this wait option is given, and the |
* fenc wait ioctl returns 0, the fence object has been unreferenced after |
* the wait. |
*/ |
#define DRM_VMW_FENCE_FLAG_EXEC (1 << 0) |
#define DRM_VMW_FENCE_FLAG_QUERY (1 << 1) |
#define DRM_VMW_WAIT_OPTION_UNREF (1 << 0) |
/** |
* struct drm_vmw_fence_wait_arg |
* |
* @handle: Fence object handle as returned by the DRM_VMW_EXECBUF ioctl. |
* @cookie_valid: Must be reset to 0 on first call. Left alone on restart. |
* @kernel_cookie: Set to 0 on first call. Left alone on restart. |
* @timeout_us: Wait timeout in microseconds. 0 for indefinite timeout. |
* @lazy: Set to 1 if timing is not critical. Allow more than a kernel tick |
* before returning. |
* @flags: Fence flags to wait on. |
* @wait_options: Options that control the behaviour of the wait ioctl. |
* |
* Input argument to the DRM_VMW_FENCE_WAIT ioctl. |
*/ |
struct drm_vmw_fence_wait_arg { |
uint32_t handle; |
int32_t cookie_valid; |
uint64_t kernel_cookie; |
uint64_t timeout_us; |
int32_t lazy; |
int32_t flags; |
int32_t wait_options; |
int32_t pad64; |
}; |
/*************************************************************************/ |
/** |
* DRM_VMW_FENCE_SIGNALED |
* |
* Checks if a fence object is signaled.. |
*/ |
/** |
* struct drm_vmw_fence_signaled_arg |
* |
* @handle: Fence object handle as returned by the DRM_VMW_EXECBUF ioctl. |
* @flags: Fence object flags input to DRM_VMW_FENCE_SIGNALED ioctl |
* @signaled: Out: Flags signaled. |
* @sequence: Out: Highest sequence passed so far. Can be used to signal the |
* EXEC flag of user-space fence objects. |
* |
* Input/Output argument to the DRM_VMW_FENCE_SIGNALED and DRM_VMW_FENCE_UNREF |
* ioctls. |
*/ |
struct drm_vmw_fence_signaled_arg { |
uint32_t handle; |
uint32_t flags; |
int32_t signaled; |
uint32_t passed_seqno; |
uint32_t signaled_flags; |
uint32_t pad64; |
}; |
/*************************************************************************/ |
/** |
* DRM_VMW_FENCE_UNREF |
* |
* Unreferences a fence object, and causes it to be destroyed if there are no |
* other references to it. |
* |
*/ |
/** |
* struct drm_vmw_fence_arg |
* |
* @handle: Fence object handle as returned by the DRM_VMW_EXECBUF ioctl. |
* |
* Input/Output argument to the DRM_VMW_FENCE_UNREF ioctl.. |
*/ |
struct drm_vmw_fence_arg { |
uint32_t handle; |
uint32_t pad64; |
}; |
/*************************************************************************/ |
/** |
* DRM_VMW_FENCE_EVENT |
* |
* Queues an event on a fence to be delivered on the drm character device |
* when the fence has signaled the DRM_VMW_FENCE_FLAG_EXEC flag. |
* Optionally the approximate time when the fence signaled is |
* given by the event. |
*/ |
/* |
* The event type |
*/ |
#define DRM_VMW_EVENT_FENCE_SIGNALED 0x80000000 |
struct drm_vmw_event_fence { |
struct drm_event base; |
uint64_t user_data; |
uint32_t tv_sec; |
uint32_t tv_usec; |
}; |
/* |
* Flags that may be given to the command. |
*/ |
/* Request fence signaled time on the event. */ |
#define DRM_VMW_FE_FLAG_REQ_TIME (1 << 0) |
/** |
* struct drm_vmw_fence_event_arg |
* |
* @fence_rep: Pointer to fence_rep structure cast to uint64_t or 0 if |
* the fence is not supposed to be referenced by user-space. |
* @user_info: Info to be delivered with the event. |
* @handle: Attach the event to this fence only. |
* @flags: A set of flags as defined above. |
*/ |
struct drm_vmw_fence_event_arg { |
uint64_t fence_rep; |
uint64_t user_data; |
uint32_t handle; |
uint32_t flags; |
}; |
/*************************************************************************/ |
/** |
* DRM_VMW_PRESENT |
* |
* Executes an SVGA present on a given fb for a given surface. The surface |
* is placed on the framebuffer. Cliprects are given relative to the given |
* point (the point disignated by dest_{x|y}). |
* |
*/ |
/** |
* struct drm_vmw_present_arg |
* @fb_id: framebuffer id to present / read back from. |
* @sid: Surface id to present from. |
* @dest_x: X placement coordinate for surface. |
* @dest_y: Y placement coordinate for surface. |
* @clips_ptr: Pointer to an array of clip rects cast to an uint64_t. |
* @num_clips: Number of cliprects given relative to the framebuffer origin, |
* in the same coordinate space as the frame buffer. |
* @pad64: Unused 64-bit padding. |
* |
* Input argument to the DRM_VMW_PRESENT ioctl. |
*/ |
struct drm_vmw_present_arg { |
uint32_t fb_id; |
uint32_t sid; |
int32_t dest_x; |
int32_t dest_y; |
uint64_t clips_ptr; |
uint32_t num_clips; |
uint32_t pad64; |
}; |
/*************************************************************************/ |
/** |
* DRM_VMW_PRESENT_READBACK |
* |
* Executes an SVGA present readback from a given fb to the dma buffer |
* currently bound as the fb. If there is no dma buffer bound to the fb, |
* an error will be returned. |
* |
*/ |
/** |
* struct drm_vmw_present_arg |
* @fb_id: fb_id to present / read back from. |
* @num_clips: Number of cliprects. |
* @clips_ptr: Pointer to an array of clip rects cast to an uint64_t. |
* @fence_rep: Pointer to a struct drm_vmw_fence_rep, cast to an uint64_t. |
* If this member is NULL, then the ioctl should not return a fence. |
*/ |
struct drm_vmw_present_readback_arg { |
uint32_t fb_id; |
uint32_t num_clips; |
uint64_t clips_ptr; |
uint64_t fence_rep; |
}; |
/*************************************************************************/ |
/** |
* DRM_VMW_UPDATE_LAYOUT - Update layout |
* |
* Updates the preferred modes and connection status for connectors. The |
* command consists of one drm_vmw_update_layout_arg pointing to an array |
* of num_outputs drm_vmw_rect's. |
*/ |
/** |
* struct drm_vmw_update_layout_arg |
* |
* @num_outputs: number of active connectors |
* @rects: pointer to array of drm_vmw_rect cast to an uint64_t |
* |
* Input argument to the DRM_VMW_UPDATE_LAYOUT Ioctl. |
*/ |
struct drm_vmw_update_layout_arg { |
uint32_t num_outputs; |
uint32_t pad64; |
uint64_t rects; |
}; |
#endif |