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Diffstat (limited to 'include/linux/vc_sm_cma_ioctl.h')
| -rw-r--r-- | include/linux/vc_sm_cma_ioctl.h | 135 |
1 files changed, 0 insertions, 135 deletions
diff --git a/include/linux/vc_sm_cma_ioctl.h b/include/linux/vc_sm_cma_ioctl.h deleted file mode 100644 index 21b8758e..00000000 --- a/include/linux/vc_sm_cma_ioctl.h +++ /dev/null @@ -1,135 +0,0 @@ -/* -Copyright (c) 2012, Broadcom Europe Ltd -All rights reserved. - -Redistribution and use in source and binary forms, with or without -modification, are permitted provided that the following conditions are met: - * Redistributions of source code must retain the above copyright - notice, this list of conditions and the following disclaimer. - * Redistributions in binary form must reproduce the above copyright - notice, this list of conditions and the following disclaimer in the - documentation and/or other materials provided with the distribution. - * Neither the name of the copyright holder nor the - names of its contributors may be used to endorse or promote products - derived from this software without specific prior written permission. - -THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND -ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED -WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE -DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY -DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES -(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; -LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND -ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS -SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. -*/ - -/* - * Copyright 2019 Raspberry Pi (Trading) Ltd. All rights reserved. - * - * Based on vmcs_sm_ioctl.h Copyright Broadcom Corporation. - */ - -#ifndef __VC_SM_CMA_IOCTL_H -#define __VC_SM_CMA_IOCTL_H - -/* ---- Include Files ---------------------------------------------------- */ - -#include <linux/types.h> /* Needed for standard types */ - -#include <linux/ioctl.h> - -/* ---- Constants and Types ---------------------------------------------- */ - -#define VC_SM_CMA_RESOURCE_NAME 32 -#define VC_SM_CMA_RESOURCE_NAME_DEFAULT "sm-host-resource" - -/* Type define used to create unique IOCTL number */ -#define VC_SM_CMA_MAGIC_TYPE 'J' - -/* IOCTL commands on /dev/vc-sm-cma */ -enum vc_sm_cma_cmd_e { - VC_SM_CMA_CMD_ALLOC = 0x5A, /* Start at 0x5A arbitrarily */ - - VC_SM_CMA_CMD_IMPORT_DMABUF, - - VC_SM_CMA_CMD_CLEAN_INVALID2, - - VC_SM_CMA_CMD_LAST /* Do not delete */ -}; - -/* Cache type supported, conveniently matches the user space definition in - * user-vcsm.h. - */ -enum vc_sm_cma_cache_e { - VC_SM_CMA_CACHE_NONE, - VC_SM_CMA_CACHE_HOST, - VC_SM_CMA_CACHE_VC, - VC_SM_CMA_CACHE_BOTH, -}; - -/* IOCTL Data structures */ -struct vc_sm_cma_ioctl_alloc { - /* user -> kernel */ - __u32 size; - __u32 num; - __u32 cached; /* enum vc_sm_cma_cache_e */ - __u32 pad; - __u8 name[VC_SM_CMA_RESOURCE_NAME]; - - /* kernel -> user */ - __s32 handle; - __u32 vc_handle; - __u64 dma_addr; -}; - -struct vc_sm_cma_ioctl_import_dmabuf { - /* user -> kernel */ - __s32 dmabuf_fd; - __u32 cached; /* enum vc_sm_cma_cache_e */ - __u8 name[VC_SM_CMA_RESOURCE_NAME]; - - /* kernel -> user */ - __s32 handle; - __u32 vc_handle; - __u32 size; - __u32 pad; - __u64 dma_addr; -}; - -/* - * Cache functions to be set to struct vc_sm_cma_ioctl_clean_invalid2 - * invalidate_mode. - */ -#define VC_SM_CACHE_OP_NOP 0x00 -#define VC_SM_CACHE_OP_INV 0x01 -#define VC_SM_CACHE_OP_CLEAN 0x02 -#define VC_SM_CACHE_OP_FLUSH 0x03 - -struct vc_sm_cma_ioctl_clean_invalid2 { - __u32 op_count; - __u32 pad; - struct vc_sm_cma_ioctl_clean_invalid_block { - __u32 invalidate_mode; - __u32 block_count; - void * /*__user */start_address; - __u32 block_size; - __u32 inter_block_stride; - } s[0]; -}; - -/* IOCTL numbers */ -#define VC_SM_CMA_IOCTL_MEM_ALLOC\ - _IOR(VC_SM_CMA_MAGIC_TYPE, VC_SM_CMA_CMD_ALLOC,\ - struct vc_sm_cma_ioctl_alloc) - -#define VC_SM_CMA_IOCTL_MEM_IMPORT_DMABUF\ - _IOR(VC_SM_CMA_MAGIC_TYPE, VC_SM_CMA_CMD_IMPORT_DMABUF,\ - struct vc_sm_cma_ioctl_import_dmabuf) - -#define VC_SM_CMA_IOCTL_MEM_CLEAN_INVALID2\ - _IOR(VC_SM_CMA_MAGIC_TYPE, VC_SM_CMA_CMD_CLEAN_INVALID2,\ - struct vc_sm_cma_ioctl_clean_invalid2) - -#endif /* __VC_SM_CMA_IOCTL_H */ |