Commit 7c432a18 authored by Sudeep Holla's avatar Sudeep Holla
Browse files

firmware: arm_ffa: Update the FF-A command list with v1.2 additions 



Arm Firmware Framework for A-profile(FFA) v1.2 introduces register based
discovery mechanism and direct messaging extensions that enables to target
specific UUID within a partition.

Let us add all the newly supported FF-A function IDs in the spec.
Also update to the error values and associated handling.

Message-Id: <20240820-ffa_v1-2-v2-2-18c0c5f3c65e@arm.com>
Signed-off-by: default avatarSudeep Holla <sudeep.holla@arm.com>
parent fbbb0e5f

drivers/firmware/arm_ffa/driver.c

+1 −0
Original line number Diff line number Diff line
@@ -75,6 +75,7 @@ static const int ffa_linux_errmap[] = { 
	-EAGAIN,	/* FFA_RET_RETRY */

	-ECANCELED,	/* FFA_RET_ABORTED */

	-ENODATA,	/* FFA_RET_NO_DATA */

	-EAGAIN,	/* FFA_RET_NOT_READY */

};



static inline int ffa_to_linux_errno(int errno)

include/linux/arm_ffa.h

+5 −0
Original line number Diff line number Diff line
@@ -73,6 +73,11 @@ 
#define FFA_FN64_MEM_PERM_GET		FFA_SMC_64(0x88)

#define FFA_MEM_PERM_SET		FFA_SMC_32(0x89)

#define FFA_FN64_MEM_PERM_SET		FFA_SMC_64(0x89)

#define FFA_CONSOLE_LOG			FFA_SMC_32(0x8A)

#define FFA_PARTITION_INFO_GET_REGS	FFA_SMC_64(0x8B)

#define FFA_EL3_INTR_HANDLE		FFA_SMC_32(0x8C)

#define FFA_MSG_SEND_DIRECT_REQ2	FFA_SMC_64(0x8D)

#define FFA_MSG_SEND_DIRECT_RESP2	FFA_SMC_64(0x8E)



/*

 * For some calls it is necessary to use SMC64 to pass or return 64-bit values.