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Commit e08afb6e authored by Sudarshan Rajagopalan's avatar Sudarshan Rajagopalan
Browse files

msm: secure_buffer: Add SPSS_HLOS_SHARED vmid 



The SPSS_HLOS_SHARED vmid can be used along with SPSS VM
if an ION buffer is to be shared between SPSS and HLOS.

Change-Id: I14407343a924ab652b20ba5d93e72114473c7f8a
Signed-off-by: default avatarSudarshan Rajagopalan <sudaraja@codeaurora.org>
parent c619a7c2

drivers/soc/qcom/secure_buffer.c

+2 −0
Original line number Diff line number Diff line
@@ -416,6 +416,8 @@ const char *msm_secure_vmid_to_string(int secure_vmid) 
		return "VMID_CP_SPSS_SP";

	case VMID_CP_SPSS_SP_SHARED:

		return "VMID_CP_SPSS_SP_SHARED";

	case VMID_CP_SPSS_HLOS_SHARED:

		return "VMID_CP_SPSS_HLOS_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
@@ -621,7 +621,8 @@ bool is_secure_vmid_valid(int vmid) 
		vmid == VMID_CP_APP ||

		vmid == VMID_CP_CAMERA_PREVIEW ||

		vmid == VMID_CP_SPSS_SP ||

		vmid == VMID_CP_SPSS_SP_SHARED);

		vmid == VMID_CP_SPSS_SP_SHARED ||

		vmid == VMID_CP_SPSS_HLOS_SHARED);

}



unsigned int count_set_bits(unsigned long val)
@@ -669,6 +670,8 @@ int get_secure_vmid(unsigned long flags) 
		return VMID_CP_SPSS_SP;

	if (flags & ION_FLAG_CP_SPSS_SP_SHARED)

		return VMID_CP_SPSS_SP_SHARED;

	if (flags & ION_FLAG_CP_SPSS_HLOS_SHARED)

		return VMID_CP_SPSS_HLOS_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
@@ -89,6 +89,7 @@ enum cp_mem_usage { 
#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)

#define ION_FLAG_CP_SPSS_HLOS_SHARED	ION_BIT(30)





/**

include/soc/qcom/secure_buffer.h

+1 −0
Original line number Diff line number Diff line
@@ -40,6 +40,7 @@ enum vmid { 
	VMID_CP_SPSS_SP = 0x1A,

	VMID_CP_CAMERA_PREVIEW = 0x1D,

	VMID_CP_SPSS_SP_SHARED = 0x22,

	VMID_CP_SPSS_HLOS_SHARED = 0x24,

	VMID_LAST,

	VMID_INVAL = -1

};