Messages in this thread Patch in this message | | | From | Sudeep Holla <> | Subject | [PATCH RFT 01/12] firmware: arm_ffa: Update the FF-A command list with v1.1 additions | Date | Thu, 3 Aug 2023 20:02:05 +0100 |
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Arm Firmware Framework for A-profile(FFA) v1.1 introduces notifications and indirect messaging based upon notifications support and extends some of the memory interfaces.
Let us add all the newly supported FF-A function IDs in the spec. Also update to the error values and associated handling.
Signed-off-by: Sudeep Holla <sudeep.holla@arm.com> --- drivers/firmware/arm_ffa/driver.c | 3 ++- include/linux/arm_ffa.h | 20 ++++++++++++++++++++ 2 files changed, 22 insertions(+), 1 deletion(-)
diff --git a/drivers/firmware/arm_ffa/driver.c b/drivers/firmware/arm_ffa/driver.c index 2109cd178ff7..6fc83fa6b81c 100644 --- a/drivers/firmware/arm_ffa/driver.c +++ b/drivers/firmware/arm_ffa/driver.c @@ -64,6 +64,7 @@ static const int ffa_linux_errmap[] = { -EACCES, /* FFA_RET_DENIED */ -EAGAIN, /* FFA_RET_RETRY */ -ECANCELED, /* FFA_RET_ABORTED */ + -ENODATA, /* FFA_RET_NO_DATA */ }; static inline int ffa_to_linux_errno(int errno) @@ -336,7 +337,7 @@ static int ffa_mem_first_frag(u32 func_id, phys_addr_t buf, u32 buf_sz, if (ret.a0 == FFA_ERROR) return ffa_to_linux_errno((int)ret.a2); - if (ret.a0 == FFA_SUCCESS) { + if (ret.a0 == FFA_SUCCESS || ret.a0 == FFA_FN64_SUCCESS) { if (handle) *handle = PACK_HANDLE(ret.a2, ret.a3); } else if (ret.a0 == FFA_MEM_FRAG_RX) { diff --git a/include/linux/arm_ffa.h b/include/linux/arm_ffa.h index cc060da51bec..2ea1717a0825 100644 --- a/include/linux/arm_ffa.h +++ b/include/linux/arm_ffa.h @@ -20,6 +20,7 @@ #define FFA_ERROR FFA_SMC_32(0x60) #define FFA_SUCCESS FFA_SMC_32(0x61) +#define FFA_FN64_SUCCESS FFA_SMC_64(0x61) #define FFA_INTERRUPT FFA_SMC_32(0x62) #define FFA_VERSION FFA_SMC_32(0x63) #define FFA_FEATURES FFA_SMC_32(0x64) @@ -54,6 +55,23 @@ #define FFA_MEM_FRAG_RX FFA_SMC_32(0x7A) #define FFA_MEM_FRAG_TX FFA_SMC_32(0x7B) #define FFA_NORMAL_WORLD_RESUME FFA_SMC_32(0x7C) +#define FFA_NOTIFICATION_BITMAP_CREATE FFA_SMC_32(0x7D) +#define FFA_NOTIFICATION_BITMAP_DESTROY FFA_SMC_32(0x7E) +#define FFA_NOTIFICATION_BIND FFA_SMC_32(0x7F) +#define FFA_NOTIFICATION_UNBIND FFA_SMC_32(0x80) +#define FFA_NOTIFICATION_SET FFA_SMC_32(0x81) +#define FFA_NOTIFICATION_GET FFA_SMC_32(0x82) +#define FFA_NOTIFICATION_INFO_GET FFA_SMC_32(0x83) +#define FFA_FN64_NOTIFICATION_INFO_GET FFA_SMC_64(0x83) +#define FFA_RX_ACQUIRE FFA_SMC_32(0x84) +#define FFA_SPM_ID_GET FFA_SMC_32(0x85) +#define FFA_MSG_SEND2 FFA_SMC_32(0x86) +#define FFA_SECONDARY_EP_REGISTER FFA_SMC_32(0x87) +#define FFA_FN64_SECONDARY_EP_REGISTER FFA_SMC_64(0x87) +#define FFA_MEM_PERM_GET FFA_SMC_32(0x88) +#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) /* * For some calls it is necessary to use SMC64 to pass or return 64-bit values. @@ -76,6 +94,7 @@ #define FFA_RET_DENIED (-6) #define FFA_RET_RETRY (-7) #define FFA_RET_ABORTED (-8) +#define FFA_RET_NO_DATA (-9) /* FFA version encoding */ #define FFA_MAJOR_VERSION_MASK GENMASK(30, 16) @@ -86,6 +105,7 @@ (FIELD_PREP(FFA_MAJOR_VERSION_MASK, (major)) | \ FIELD_PREP(FFA_MINOR_VERSION_MASK, (minor))) #define FFA_VERSION_1_0 FFA_PACK_VERSION_INFO(1, 0) +#define FFA_VERSION_1_1 FFA_PACK_VERSION_INFO(1, 1) /** * FF-A specification mentions explicitly about '4K pages'. This should -- 2.41.0
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