[PATCH v8 6/7] KVM: arm64: Bump the supported version of FF-A to 1.2
Per Larsen via B4 Relay
devnull+perlarsen.google.com at kernel.org
Fri Jul 18 19:11:28 PDT 2025
From: Per Larsen <perlarsen at google.com>
FF-A version 1.2 introduces the DIRECT_REQ2 ABI. Bump the FF-A version
preferred by the hypervisor as a precursor to implementing the 1.2-only
FFA_MSG_SEND_DIRECT_REQ2 and FFA_MSG_SEND_RESP2 messaging interfaces.
Co-developed-by: Ayrton Munoz <ayrton at google.com>
Signed-off-by: Ayrton Munoz <ayrton at google.com>
Signed-off-by: Per Larsen <perlarsen at google.com>
---
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 2cbecc9af5d27a9e7c8497001cf9b0987c72bdb4..f6d964df53c3e21ba85984f35cc7b6859012d1b0 100644
--- a/arch/arm64/kvm/hyp/nvhe/ffa.c
+++ b/arch/arm64/kvm/hyp/nvhe/ffa.c
@@ -930,7 +930,7 @@ 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;
@@ -951,10 +951,10 @@ 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;
--
2.50.0.727.gbf7dc18ff4-goog
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