diff options
| author | Vidyakumar Athota <vathota@codeaurora.org> | 2017-08-04 17:23:07 -0700 |
|---|---|---|
| committer | Vidyakumar Athota <vathota@codeaurora.org> | 2017-08-07 22:30:01 -0700 |
| commit | 92c993fd6d2f8b644d419ad73094835f9e6a309f (patch) | |
| tree | 91e8f70ca6c3711f05e37a928996eb853a91b1a3 /include | |
| parent | d843c02a78884df35eaa579aa30b7e831cdca51d (diff) | |
soc: qcom: qdsp6v2: use hyp_assign() API for secure memory
Add a new API to call hyp_assign_phys() function to assign the
memory permissions to different subsystem like ADSP for secure
playback applications.
Change-Id: I1d13bd0cd3b5cdcbe37488800c7dad44a20f4996
Signed-off-by: Vidyakumar Athota <vathota@codeaurora.org>
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/msm_audio_ion.h | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/include/linux/msm_audio_ion.h b/include/linux/msm_audio_ion.h index 0761b880ca88..ff2fd04a3b6c 100644 --- a/include/linux/msm_audio_ion.h +++ b/include/linux/msm_audio_ion.h @@ -1,5 +1,5 @@ /* - * Copyright (c) 2013-2015, The Linux Foundation. All rights reserved. + * Copyright (c) 2013-2015, 2017 The Linux Foundation. All rights reserved. * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 and @@ -17,6 +17,12 @@ #include <sound/pcm.h> #include <linux/msm_ion.h> +enum { + HLOS_TO_ADSP = 1, + ADSP_TO_HLOS, +}; + +#define VMID_CP_ADSP_SHARED 33 int msm_audio_ion_alloc(const char *name, struct ion_client **client, struct ion_handle **handle, size_t bufsz, @@ -26,6 +32,7 @@ int msm_audio_ion_import(const char *name, struct ion_client **client, struct ion_handle **handle, int fd, unsigned long *ionflag, size_t bufsz, ion_phys_addr_t *paddr, size_t *pa_len, void **vaddr); + int msm_audio_ion_free(struct ion_client *client, struct ion_handle *handle); int msm_audio_ion_mmap(struct audio_buffer *substream, struct vm_area_struct *vma); @@ -42,4 +49,7 @@ int msm_audio_ion_import_legacy(const char *name, struct ion_client *client, int msm_audio_ion_free_legacy(struct ion_client *client, struct ion_handle *handle); u32 msm_audio_populate_upper_32_bits(ion_phys_addr_t pa); + +int msm_audio_ion_phys_assign(const char *name, int fd, ion_phys_addr_t *paddr, + size_t *pa_len, u8 assign_type); #endif /* _LINUX_MSM_AUDIO_ION_H */ |