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Commit d9a50852 authored by Liam Mark's avatar Liam Mark Committed by Patrick Daly
Browse files

msm: secure_buffer: Add VMID_CP_CAMERA_PREVIEW 



Add support for VMID_CP_CAMERA_PREVIEW

Change-Id: Ifacc1ff95262c6240283d19cf02dcac37933c141
Signed-off-by: default avatarLiam Mark <lmark@codeaurora.org>
Signed-off-by: default avatarPatrick Daly <pdaly@codeaurora.org>
parent 2ce06168

drivers/soc/qcom/secure_buffer.c

+2 −0
Original line number Diff line number Diff line
@@ -419,6 +419,8 @@ const char *msm_secure_vmid_to_string(int secure_vmid) 
		return "VMID_WLAN";

	case VMID_WLAN_CE:

		return "VMID_WLAN_CE";

	case VMID_CP_CAMERA_PREVIEW:

		return "VMID_CP_CAMERA_PREVIEW";

	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
@@ -598,7 +598,8 @@ bool is_secure_vmid_valid(int vmid) 
		vmid == VMID_CP_NON_PIXEL ||

		vmid == VMID_CP_CAMERA ||

		vmid == VMID_CP_SEC_DISPLAY ||

		vmid == VMID_CP_APP);

		vmid == VMID_CP_APP ||

		vmid == VMID_CP_CAMERA_PREVIEW);

}



int get_secure_vmid(unsigned long flags)
@@ -617,6 +618,8 @@ int get_secure_vmid(unsigned long flags) 
		return VMID_CP_SEC_DISPLAY;

	if (flags & ION_FLAG_CP_APP)

		return VMID_CP_APP;

	if (flags & ION_FLAG_CP_CAMERA_PREVIEW)

		return VMID_CP_CAMERA_PREVIEW;

	return -EINVAL;

}

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

drivers/staging/android/uapi/msm_ion.h

+17 −13
Original line number Diff line number Diff line
@@ -3,6 +3,8 @@ 


#include "ion.h"



#define ION_BIT(nr) (1UL << (nr))



enum msm_ion_heap_types {

	ION_HEAP_TYPE_MSM_START = ION_HEAP_TYPE_CUSTOM + 1,

	ION_HEAP_TYPE_SECURE_DMA = ION_HEAP_TYPE_MSM_START,
@@ -76,34 +78,36 @@ enum cp_mem_usage { 
 * Flags to be used when allocating from the secure heap for

 * content protection

 */

#define ION_FLAG_CP_TOUCH ((1 << 17))

#define ION_FLAG_CP_BITSTREAM ((1 << 18))

#define ION_FLAG_CP_PIXEL  ((1 << 19))

#define ION_FLAG_CP_NON_PIXEL ((1 << 20))

#define ION_FLAG_CP_CAMERA ((1 << 21))

#define ION_FLAG_CP_HLOS ((1 << 22))

#define ION_FLAG_CP_HLOS_FREE ((1 << 23))

#define ION_FLAG_CP_SEC_DISPLAY ((1 << 25))

#define ION_FLAG_CP_APP ((1 << 26))

#define ION_FLAG_CP_TOUCH		ION_BIT(17)

#define ION_FLAG_CP_BITSTREAM		ION_BIT(18)

#define ION_FLAG_CP_PIXEL		ION_BIT(19)

#define ION_FLAG_CP_NON_PIXEL		ION_BIT(20)

#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_SEC_DISPLAY		ION_BIT(25)

#define ION_FLAG_CP_APP			ION_BIT(26)

#define ION_FLAG_CP_CAMERA_PREVIEW	ION_BIT(27)





/**

 * Flag to use when allocating to indicate that a heap is secure.

 * Do NOT use BIT macro since it is defined in #ifdef __KERNEL__

 */

#define ION_FLAG_SECURE (1 << (ION_HEAP_ID_RESERVED))

#define ION_FLAG_SECURE			ION_BIT(ION_HEAP_ID_RESERVED)



/**

 * Flag for clients to force contiguous memort allocation

 *

 * Use of this flag is carefully monitored!

 */

#define ION_FLAG_FORCE_CONTIGUOUS ((1 << 30))

#define ION_FLAG_FORCE_CONTIGUOUS	ION_BIT(30)



/*

 * Used in conjunction with heap which pool memory to force an allocation

 * to come from the page allocator directly instead of from the pool allocation

 */

#define ION_FLAG_POOL_FORCE_ALLOC ((1 << 16))

#define ION_FLAG_POOL_FORCE_ALLOC	ION_BIT(16)



/**

 * Deprecated! Please use the corresponding ION_FLAG_*
@@ -114,7 +118,7 @@ enum cp_mem_usage { 
/**

 * Macro should be used with ion_heap_ids defined above.

 */

#define ION_HEAP(bit) (1 << (bit))

#define ION_HEAP(bit)			ION_BIT(bit)



#define ION_ADSP_HEAP_NAME	"adsp"

#define ION_SYSTEM_HEAP_NAME	"system"

include/soc/qcom/secure_buffer.h

+1 −0
Original line number Diff line number Diff line
@@ -37,6 +37,7 @@ enum vmid { 
	VMID_CP_APP = 0x12,

	VMID_WLAN = 0x18,

	VMID_WLAN_CE = 0x19,

	VMID_CP_CAMERA_PREVIEW = 0x1D,

	VMID_LAST,

	VMID_INVAL = -1

};