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/*
* Copyright © 2014 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 IGT_GT_H
#define IGT_GT_H
#include "igt_debugfs.h"
void igt_require_hang_ring(int fd, int ring);
typedef struct igt_hang_ring {
unsigned handle;
unsigned ban;
} igt_hang_ring_t;
struct igt_hang_ring igt_hang_ring(int fd, int ring);
void igt_post_hang_ring(int fd, struct igt_hang_ring arg);
int igt_fork_hang_helper(void);
void igt_stop_hang_helper(void);
int igt_open_forcewake_handle(void);
/**
* stop_ring_flags:
* @STOP_RING_NONE: Can be used to clear the pending stop (warning: hang might
* be declared already). Returned by igt_get_stop_rings() if there is
* no currently stopped rings.
* @STOP_RING_RENDER: Render ring
* @STOP_RING_BSD: Video encoding/decoding ring
* @STOP_RING_BLT: Blitter ring
* @STOP_RING_VEBOX: Video enhancement ring
* @STOP_RING_ALL: All rings
* @STOP_RING_ALLOW_ERRORS: Driver will not omit expected DRM_ERRORS
* @STOP_RING_ALLOW_BAN: Driver will use context ban policy
* @STOP_RING_DEFAULTS: STOP_RING_ALL | STOP_RING_ALLOW_ERRORS
*
* Enumeration of all supported flags for igt_set_stop_rings().
*
*/
enum stop_ring_flags {
STOP_RING_NONE = 0x00,
STOP_RING_RENDER = (1 << 0),
STOP_RING_BSD = (1 << 1),
STOP_RING_BLT = (1 << 2),
STOP_RING_VEBOX = (1 << 3),
STOP_RING_ALL = 0xff,
STOP_RING_ALLOW_ERRORS = (1 << 30),
STOP_RING_ALLOW_BAN = (1 << 31),
STOP_RING_DEFAULTS = STOP_RING_ALL | STOP_RING_ALLOW_ERRORS,
};
enum stop_ring_flags igt_to_stop_ring_flag(int ring);
void igt_set_stop_rings(enum stop_ring_flags flags);
enum stop_ring_flags igt_get_stop_rings(void);
#endif /* IGT_GT_H */
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