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author | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2017-07-27 23:14:08 +0200 |
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committer | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2017-07-27 23:14:08 +0200 |
commit | f6248dd88dba3aeb19351410a027d92eee7ceb72 (patch) | |
tree | 9dfe33ca030186ffd5007784d0647a8306d41be9 /drivers/staging/vboxvideo/vboxvideo_guest.h | |
parent | ACPI / PM / EC: Flush all EC work in acpi_freeze_sync() (diff) | |
parent | ACPI: NUMA: Fix typo in the full name of SRAT (diff) | |
download | linux-dev-f6248dd88dba3aeb19351410a027d92eee7ceb72.tar.xz linux-dev-f6248dd88dba3aeb19351410a027d92eee7ceb72.zip |
Merge branches 'acpi-pm' and 'acpi-numa'
* acpi-pm:
ACPI / PM / EC: Flush all EC work in acpi_freeze_sync()
ACPI / EC: Add parameter to force disable the GPE on suspend
* acpi-numa:
ACPI: NUMA: Fix typo in the full name of SRAT
ACPI: NUMA: add missing include in acpi_numa.h
Diffstat (limited to 'drivers/staging/vboxvideo/vboxvideo_guest.h')
-rw-r--r-- | drivers/staging/vboxvideo/vboxvideo_guest.h | 95 |
1 files changed, 95 insertions, 0 deletions
diff --git a/drivers/staging/vboxvideo/vboxvideo_guest.h b/drivers/staging/vboxvideo/vboxvideo_guest.h new file mode 100644 index 000000000000..d09da841711a --- /dev/null +++ b/drivers/staging/vboxvideo/vboxvideo_guest.h @@ -0,0 +1,95 @@ +/* + * Copyright (C) 2006-2017 Oracle 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 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 COPYRIGHT HOLDER(S) OR AUTHOR(S) 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 __VBOXVIDEO_GUEST_H__ +#define __VBOXVIDEO_GUEST_H__ + +#include <linux/genalloc.h> +#include "vboxvideo.h" + +/** + * Structure grouping the context needed for sending graphics acceleration + * information to the host via VBVA. Each screen has its own VBVA buffer. + */ +struct vbva_buf_ctx { + /** Offset of the buffer in the VRAM section for the screen */ + u32 buffer_offset; + /** Length of the buffer in bytes */ + u32 buffer_length; + /** Set if we wrote to the buffer faster than the host could read it */ + bool buffer_overflow; + /** VBVA record that we are currently preparing for the host, or NULL */ + struct vbva_record *record; + /** + * Pointer to the VBVA buffer mapped into the current address space. + * Will be NULL if VBVA is not enabled. + */ + struct vbva_buffer *vbva; +}; + +/** + * @name Base HGSMI APIs + * @{ + */ +int hgsmi_report_flags_location(struct gen_pool *ctx, u32 location); +int hgsmi_send_caps_info(struct gen_pool *ctx, u32 caps); +int hgsmi_test_query_conf(struct gen_pool *ctx); +int hgsmi_query_conf(struct gen_pool *ctx, u32 index, u32 *value_ret); +int hgsmi_update_pointer_shape(struct gen_pool *ctx, u32 flags, + u32 hot_x, u32 hot_y, u32 width, u32 height, + u8 *pixels, u32 len); +int hgsmi_cursor_position(struct gen_pool *ctx, bool report_position, + u32 x, u32 y, u32 *x_host, u32 *y_host); +/** @} */ + +/** + * @name VBVA APIs + * @{ + */ +bool vbva_enable(struct vbva_buf_ctx *vbva_ctx, struct gen_pool *ctx, + struct vbva_buffer *vbva, s32 screen); +void vbva_disable(struct vbva_buf_ctx *vbva_ctx, struct gen_pool *ctx, + s32 screen); +bool vbva_buffer_begin_update(struct vbva_buf_ctx *vbva_ctx, + struct gen_pool *ctx); +void vbva_buffer_end_update(struct vbva_buf_ctx *vbva_ctx); +bool vbva_write(struct vbva_buf_ctx *vbva_ctx, struct gen_pool *ctx, + const void *p, u32 len); +void vbva_setup_buffer_context(struct vbva_buf_ctx *vbva_ctx, + u32 buffer_offset, u32 buffer_length); +/** @} */ + +/** + * @name Modesetting APIs + * @{ + */ +void hgsmi_process_display_info(struct gen_pool *ctx, u32 display, + s32 origin_x, s32 origin_y, u32 start_offset, + u32 pitch, u32 width, u32 height, + u16 bpp, u16 flags); +int hgsmi_update_input_mapping(struct gen_pool *ctx, s32 origin_x, s32 origin_y, + u32 width, u32 height); +int hgsmi_get_mode_hints(struct gen_pool *ctx, unsigned int screens, + struct vbva_modehint *hints); +/** @} */ + +#endif |