[PATCH v11 6/6] KVM: arm64: Bump the supported version of FF-A to 1.2
From: Per Larsen via B4 Relay <devnull+perlarsen.google.com@kernel.org>
Date: 2025-08-20 01:10:12
Also in:
b4-sent, kvmarm, lkml
Subsystem:
arm64 port (aarch64 architecture), kernel virtual machine for arm64 (kvm/arm64), the rest · Maintainers:
Catalin Marinas, Will Deacon, Marc Zyngier, Oliver Upton, Linus Torvalds
From: Per Larsen <redacted> FF-A version 1.2 introduces the DIRECT_REQ2 ABI. Bump the FF-A version preferred by the hypervisor to enable implementation of the 1.2-only FFA_MSG_SEND_DIRECT_REQ2 and FFA_MSG_SEND_RESP2 messaging interfaces. Co-developed-by: Ayrton Munoz <redacted> Signed-off-by: Ayrton Munoz <redacted> Acked-by: Will Deacon <will@kernel.org> Signed-off-by: Per Larsen <redacted> --- arch/arm64/kvm/hyp/nvhe/ffa.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/arch/arm64/kvm/hyp/nvhe/ffa.c b/arch/arm64/kvm/hyp/nvhe/ffa.c
index a8ec1a94f3f8a86551895f4606918246c4ac1f39..4e16f9b96f637599873b16148c6e40cf1210aa3e 100644
--- a/arch/arm64/kvm/hyp/nvhe/ffa.c
+++ b/arch/arm64/kvm/hyp/nvhe/ffa.c@@ -936,7 +936,7 @@ int hyp_ffa_init(void *pages) arm_smccc_1_2_smc(&(struct arm_smccc_1_2_regs) { .a0 = FFA_VERSION, - .a1 = FFA_VERSION_1_1, + .a1 = FFA_VERSION_1_2, }, &res); if (res.a0 == FFA_RET_NOT_SUPPORTED) return 0;
@@ -957,10 +957,10 @@ int hyp_ffa_init(void *pages) if (FFA_MAJOR_VERSION(res.a0) != 1) return -EOPNOTSUPP; - if (FFA_MINOR_VERSION(res.a0) < FFA_MINOR_VERSION(FFA_VERSION_1_1)) + if (FFA_MINOR_VERSION(res.a0) < FFA_MINOR_VERSION(FFA_VERSION_1_2)) hyp_ffa_version = res.a0; else - hyp_ffa_version = FFA_VERSION_1_1; + hyp_ffa_version = FFA_VERSION_1_2; tx = pages; pages += KVM_FFA_MBOX_NR_PAGES * PAGE_SIZE;
--
2.51.0.rc1.167.g924127e9c0-goog