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AJvYcCV2CRXdhTifcRWQtvmLHNfpfM/307xF7DfpocKFXBo9j71sfDzdTq9hXSdXT1xVIhYVktsslxcQH1fzUNvMuq3hz8cn8D9OPpF1sVUXT0Wo4iYSlfE= X-Gm-Message-State: AOJu0Yy7sMqIdLsVI5Mgy3KFbvaaflE6CZs6sO/aV0wHN/eAROvZUlAI BZsv/l57t2nioUKnPU1Gb9rzn01NKEZvqhs+0whMXkVJU/Nyy5J3Pm1dV2KXBWD3cjQEt8+ZOvg Ox9QPFWyrdU40WzccdvG7ieiI1w== X-Google-Smtp-Source: AGHT+IGRr7uB8dyL1qZY2tNdLCo6bCgG9f2Ylok0Sq5MdDUUM2WXBpExMqrkM6rHCoVTKgjGEzcyP05psJEyfeFP8OM= X-Received: from sebkvm.c.googlers.com ([fda3:e722:ac3:cc00:28:9cb1:c0a8:cd5]) (user=sebastianene job=sendgmr) by 2002:a05:6902:2b08:b0:dda:c59c:3953 with SMTP id fi8-20020a0569022b0800b00ddac59c3953mr882660ybb.0.1713457909290; Thu, 18 Apr 2024 09:31:49 -0700 (PDT) Date: Thu, 18 Apr 2024 16:30:25 +0000 In-Reply-To: <20240418163025.1193763-2-sebastianene@google.com> Mime-Version: 1.0 References: <20240418163025.1193763-2-sebastianene@google.com> X-Mailer: git-send-email 2.44.0.769.g3c40516874-goog Message-ID: <20240418163025.1193763-5-sebastianene@google.com> Subject: [PATCH 3/4] KVM: arm64: Fix the identification range for the FF-A smcs From: Sebastian Ene To: catalin.marinas@arm.com, james.morse@arm.com, jean-philippe@linaro.org, maz@kernel.org, oliver.upton@linux.dev, qperret@google.com, qwandor@google.com, sudeep.holla@arm.com, suzuki.poulose@arm.com, tabba@google.com, will@kernel.org, yuzenghui@huawei.com, lpieralisi@kernel.org Cc: kvmarm@lists.linux.dev, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, kernel-team@android.com, Sebastian Ene X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240418_093152_171484_43931AC9 X-CRM114-Status: GOOD ( 11.71 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org The FF-A spec 1.2 reserves the following ranges for identifying FF-A calls: 0x84000060-0x840000FF: FF-A 32-bit calls 0xC4000060-0xC40000FF: FF-A 64-bit calls. Use the range identification according to the spec and allow calls that are currently out of the range(eg. FFA_MSG_SEND_DIRECT_REQ2) to be identified correctly. Signed-off-by: Sebastian Ene Acked-by: Will Deacon --- arch/arm64/kvm/hyp/include/nvhe/ffa.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/arm64/kvm/hyp/include/nvhe/ffa.h b/arch/arm64/kvm/hyp/include/nvhe/ffa.h index d9fd5e6c7d3c..146e0aebfa1c 100644 --- a/arch/arm64/kvm/hyp/include/nvhe/ffa.h +++ b/arch/arm64/kvm/hyp/include/nvhe/ffa.h @@ -9,7 +9,7 @@ #include #define FFA_MIN_FUNC_NUM 0x60 -#define FFA_MAX_FUNC_NUM 0x7F +#define FFA_MAX_FUNC_NUM 0xFF int hyp_ffa_init(void *pages); bool kvm_host_ffa_handler(struct kvm_cpu_context *host_ctxt, u32 func_id);