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Commit b07c54bf authored by Sudarshan Rajagopalan's avatar Sudarshan Rajagopalan Committed by Gerrit - the friendly Code Review server
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msm: secure_buffer: Add SPSS_SP_SHARED vmid 



Add support for SPSS_SP_SHARED vmid. This vmid is equivalent
to TZ VM, which can be used for sharing memory with TZ with
the assign call.

Change-Id: I10b98820796e8bab7b8275f5ddf44e8814dc0fb0
Signed-off-by: default avatarSudarshan Rajagopalan <sudaraja@codeaurora.org>
parent 38edeeed

drivers/soc/qcom/secure_buffer.c

+2 −0
Original line number Diff line number Diff line
@@ -412,6 +412,8 @@ const char *msm_secure_vmid_to_string(int secure_vmid) 
		return "VMID_WLAN_CE";

	case VMID_CP_CAMERA_PREVIEW:

		return "VMID_CP_CAMERA_PREVIEW";

	case VMID_CP_SPSS_SP_SHARED:

		return "VMID_CP_SPSS_SP_SHARED";

	case VMID_INVAL:

		return "VMID_INVAL";

	default:

drivers/staging/android/ion/msm/msm_ion.c

+4 −1
Original line number Diff line number Diff line
@@ -652,7 +652,8 @@ bool is_secure_vmid_valid(int vmid) 
		vmid == VMID_CP_CAMERA ||

		vmid == VMID_CP_SEC_DISPLAY ||

		vmid == VMID_CP_APP ||

		vmid == VMID_CP_CAMERA_PREVIEW);

		vmid == VMID_CP_CAMERA_PREVIEW ||

		vmid == VMID_CP_SPSS_SP_SHARED);

}



int get_secure_vmid(unsigned long flags)
@@ -673,6 +674,8 @@ int get_secure_vmid(unsigned long flags) 
		return VMID_CP_APP;

	if (flags & ION_FLAG_CP_CAMERA_PREVIEW)

		return VMID_CP_CAMERA_PREVIEW;

	if (flags & ION_FLAG_CP_SPSS_SP_SHARED)

		return VMID_CP_SPSS_SP_SHARED;

	return -EINVAL;

}

/* fix up the cases where the ioctl direction bits are incorrect */

drivers/staging/android/uapi/msm_ion.h

+1 −0
Original line number Diff line number Diff line
@@ -85,6 +85,7 @@ enum cp_mem_usage { 
#define ION_FLAG_CP_CAMERA		ION_BIT(21)

#define ION_FLAG_CP_HLOS		ION_BIT(22)

#define ION_FLAG_CP_HLOS_FREE		ION_BIT(23)

#define ION_FLAG_CP_SPSS_SP_SHARED	ION_BIT(24)

#define ION_FLAG_CP_SEC_DISPLAY		ION_BIT(25)

#define ION_FLAG_CP_APP			ION_BIT(26)

#define ION_FLAG_CP_CAMERA_PREVIEW	ION_BIT(27)

include/soc/qcom/secure_buffer.h

+1 −0
Original line number Diff line number Diff line
@@ -38,6 +38,7 @@ enum vmid { 
	VMID_WLAN = 0x18,

	VMID_WLAN_CE = 0x19,

	VMID_CP_CAMERA_PREVIEW = 0x1D,

	VMID_CP_SPSS_SP_SHARED = 0x22,

	VMID_LAST,

	VMID_INVAL = -1

};