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136 lines
4.1 KiB
136 lines
4.1 KiB
/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ |
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#ifndef __QCOM_FASTRPC_H__ |
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#define __QCOM_FASTRPC_H__ |
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#include <linux/types.h> |
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#define FASTRPC_IOCTL_ALLOC_DMA_BUFF _IOWR('R', 1, struct fastrpc_alloc_dma_buf) |
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#define FASTRPC_IOCTL_FREE_DMA_BUFF _IOWR('R', 2, __u32) |
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#define FASTRPC_IOCTL_INVOKE _IOWR('R', 3, struct fastrpc_invoke) |
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#define FASTRPC_IOCTL_INIT_ATTACH _IO('R', 4) |
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#define FASTRPC_IOCTL_INIT_CREATE _IOWR('R', 5, struct fastrpc_init_create) |
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#define FASTRPC_IOCTL_MMAP _IOWR('R', 6, struct fastrpc_req_mmap) |
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#define FASTRPC_IOCTL_MUNMAP _IOWR('R', 7, struct fastrpc_req_munmap) |
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#define FASTRPC_IOCTL_INIT_ATTACH_SNS _IO('R', 8) |
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#define FASTRPC_IOCTL_MEM_MAP _IOWR('R', 10, struct fastrpc_mem_map) |
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#define FASTRPC_IOCTL_MEM_UNMAP _IOWR('R', 11, struct fastrpc_mem_unmap) |
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#define FASTRPC_IOCTL_GET_DSP_INFO _IOWR('R', 13, struct fastrpc_ioctl_capability) |
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/** |
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* enum fastrpc_map_flags - control flags for mapping memory on DSP user process |
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* @FASTRPC_MAP_STATIC: Map memory pages with RW- permission and CACHE WRITEBACK. |
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* The driver is responsible for cache maintenance when passed |
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* the buffer to FastRPC calls. Same virtual address will be |
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* assigned for subsequent FastRPC calls. |
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* @FASTRPC_MAP_RESERVED: Reserved |
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* @FASTRPC_MAP_FD: Map memory pages with RW- permission and CACHE WRITEBACK. |
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* Mapping tagged with a file descriptor. User is responsible for |
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* CPU and DSP cache maintenance for the buffer. Get virtual address |
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* of buffer on DSP using HAP_mmap_get() and HAP_mmap_put() APIs. |
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* @FASTRPC_MAP_FD_DELAYED: Mapping delayed until user call HAP_mmap() and HAP_munmap() |
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* functions on DSP. It is useful to map a buffer with cache modes |
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* other than default modes. User is responsible for CPU and DSP |
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* cache maintenance for the buffer. |
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* @FASTRPC_MAP_FD_NOMAP: This flag is used to skip CPU mapping, |
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* otherwise behaves similar to FASTRPC_MAP_FD_DELAYED flag. |
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* @FASTRPC_MAP_MAX: max count for flags |
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* |
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*/ |
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enum fastrpc_map_flags { |
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FASTRPC_MAP_STATIC = 0, |
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FASTRPC_MAP_RESERVED, |
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FASTRPC_MAP_FD = 2, |
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FASTRPC_MAP_FD_DELAYED, |
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FASTRPC_MAP_FD_NOMAP = 16, |
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FASTRPC_MAP_MAX, |
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}; |
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enum fastrpc_proc_attr { |
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/* Macro for Debug attr */ |
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FASTRPC_MODE_DEBUG = (1 << 0), |
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/* Macro for Ptrace */ |
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FASTRPC_MODE_PTRACE = (1 << 1), |
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/* Macro for CRC Check */ |
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FASTRPC_MODE_CRC = (1 << 2), |
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/* Macro for Unsigned PD */ |
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FASTRPC_MODE_UNSIGNED_MODULE = (1 << 3), |
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/* Macro for Adaptive QoS */ |
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FASTRPC_MODE_ADAPTIVE_QOS = (1 << 4), |
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/* Macro for System Process */ |
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FASTRPC_MODE_SYSTEM_PROCESS = (1 << 5), |
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/* Macro for Prvileged Process */ |
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FASTRPC_MODE_PRIVILEGED = (1 << 6), |
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}; |
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/* Fastrpc attribute for memory protection of buffers */ |
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#define FASTRPC_ATTR_SECUREMAP (1) |
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struct fastrpc_invoke_args { |
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__u64 ptr; |
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__u64 length; |
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__s32 fd; |
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__u32 attr; |
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}; |
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struct fastrpc_invoke { |
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__u32 handle; |
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__u32 sc; |
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__u64 args; |
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}; |
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struct fastrpc_init_create { |
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__u32 filelen; /* elf file length */ |
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__s32 filefd; /* fd for the file */ |
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__u32 attrs; |
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__u32 siglen; |
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__u64 file; /* pointer to elf file */ |
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}; |
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struct fastrpc_alloc_dma_buf { |
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__s32 fd; /* fd */ |
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__u32 flags; /* flags to map with */ |
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__u64 size; /* size */ |
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}; |
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struct fastrpc_req_mmap { |
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__s32 fd; |
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__u32 flags; /* flags for dsp to map with */ |
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__u64 vaddrin; /* optional virtual address */ |
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__u64 size; /* size */ |
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__u64 vaddrout; /* dsp virtual address */ |
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}; |
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struct fastrpc_mem_map { |
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__s32 version; |
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__s32 fd; /* fd */ |
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__s32 offset; /* buffer offset */ |
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__u32 flags; /* flags defined in enum fastrpc_map_flags */ |
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__u64 vaddrin; /* buffer virtual address */ |
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__u64 length; /* buffer length */ |
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__u64 vaddrout; /* [out] remote virtual address */ |
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__s32 attrs; /* buffer attributes used for SMMU mapping */ |
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__s32 reserved[4]; |
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}; |
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struct fastrpc_req_munmap { |
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__u64 vaddrout; /* address to unmap */ |
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__u64 size; /* size */ |
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}; |
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struct fastrpc_mem_unmap { |
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__s32 vesion; |
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__s32 fd; /* fd */ |
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__u64 vaddr; /* remote process (dsp) virtual address */ |
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__u64 length; /* buffer size */ |
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__s32 reserved[5]; |
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}; |
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struct fastrpc_ioctl_capability { |
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__u32 domain; |
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__u32 attribute_id; |
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__u32 capability; /* dsp capability */ |
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__u32 reserved[4]; |
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}; |
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#endif /* __QCOM_FASTRPC_H__ */
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