From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-ej1-f74.google.com (mail-ej1-f74.google.com [209.85.218.74]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 9954723FA0E for ; Thu, 12 Dec 2024 18:06:23 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.218.74 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1734026785; cv=none; b=SzQftfnZTgCuScLQql36nH9S37V2vJ7BILOTXJOqSw14U7p07epZUuj9QWU52zRrWBL75ODXq0mW/ZH6bVVbr5AXvEYMDV+uGGe6+7oak4fasBBQID5WHziu5BxCIo+HXylL6nGu112shJ6mwXVNcfU34rZSP9t4MsLZ8WDavNI= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1734026785; c=relaxed/simple; bh=KBex4nSvV8st4JIwyXj9uqMSukyDo5x+//eUZ7ElLyI=; h=Date:In-Reply-To:Mime-Version:References:Message-ID:Subject:From: To:Cc:Content-Type; b=owe55tSoQ2qqyqx2Paqc3B8JdOgd/dp6f+z+gNWgMCZ9N6jwzw+6XAHq1EYj2KzMz8FIqP4f7uWxkPAajOrKRaISR03Qa/mw2XRgXOw/Y881flkoe0Jj3FFs8D9TPck9TnXkLo3vTSkVUe5nJJDWpMJSkL3IwTmlPSmPIka0o4E= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=google.com; spf=pass smtp.mailfrom=flex--smostafa.bounces.google.com; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b=PzZ5w8qy; arc=none smtp.client-ip=209.85.218.74 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=google.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=flex--smostafa.bounces.google.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b="PzZ5w8qy" Received: by mail-ej1-f74.google.com with SMTP id a640c23a62f3a-aa67855b3deso78674566b.1 for ; Thu, 12 Dec 2024 10:06:23 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20230601; t=1734026782; x=1734631582; darn=lists.linux.dev; h=cc:to:from:subject:message-id:references:mime-version:in-reply-to :date:from:to:cc:subject:date:message-id:reply-to; bh=oA4flaYxQ5BGtfLZd9pc3kG1NLnmtH/l93s5ei2WXOY=; b=PzZ5w8qyXZ1G/0WMWUdyzG+RqMf6mcAafZi952fp+uBjkV/CEKdxcMyJY/fn/ptscI FSPiPD+/W+K4mwJ2bzw5VECIA9rirxAN/b2JsCKvoW+NkR39YvJ+Ak6m+NTy0hnLjTgm RoMIBqygaoRkGZGofeWPLRCtpSxHg03pN8ca2BrIOOn+bQN69bUELw9LyN4L9SH4ONDj zzvZpPIDhj+aGjT3s7ZcITP7YK9G9Rxw7Ei3zsYhYtLAxBmzJ3J5dNRVa+PSCkViDKgc y94RQcs+Z/nK9+KEs7R6N0XlE+Q/72NRgXtW0URpO3QEYlyXgFHD0MWyVnqlgDaZn2Ar PRpQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1734026782; x=1734631582; h=cc:to:from:subject:message-id:references:mime-version:in-reply-to :date:x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=oA4flaYxQ5BGtfLZd9pc3kG1NLnmtH/l93s5ei2WXOY=; b=ARZTGTzxYcnRBN24tYdx94Oo2KtSuYPI0QJp0cvvWxM74G5mFYQz8ELM0z7ceKRYyB RjMDpVLQKscBKX9YYXI5QoNkCLnoli50aNjUbuA+zVfdn75kUQQ0cA1HChy/3GMukaDN JEQokDTa1iRddq5LmCb4d8GOFXiaHfJFK09vIl8wyClmgskH/DuFHIWzikBJdw41zfUS U5DtOy+Gt9toIoT1E2D7nQEuC7o4sSdQ6eqwdDB+XXKPwauW0ecZCd2hfhcM2CK5sLrJ jEcZh/g2gj/3TaxH5wKFwictDwc9Ztg3waRZDA47YwckBOpi8+4dfsGfS6CgwolxC8h3 fSlQ== X-Forwarded-Encrypted: i=1; AJvYcCWjrxIcn9sVYjgDJuOtNs6VFWPHxzSQHits27UG4QqMWih2lD45BTvYsuVq4OgDimOlYv9nQg0=@lists.linux.dev X-Gm-Message-State: AOJu0YwPV81bJwjKtld8rAI2ZDQ2D8UgW8Gx3GMt5HUSLPT1Q6ywIIOM JPIM0LW6vR4OFWhgLdopnrR18BwgV2wzPA+ICeKFeBOSFiFox5kqJjibUMJcMO/A4hKjNUKaD/M QEC+L/HYI5A== X-Google-Smtp-Source: AGHT+IH16CwAGQZdlZ+j17KujE/o9PMEBvOMuLsm290SY8dsLy1Bla7B610srDL7eN2tped3VnaOKpJ7Tllo2w== X-Received: from ejxj19.prod.google.com ([2002:a17:906:8313:b0:aa6:a222:16c7]) (user=smostafa job=prod-delivery.src-stubby-dispatcher) by 2002:a17:907:15c3:b0:aa6:8a1b:8b84 with SMTP id a640c23a62f3a-aa6c1d26981mr510164566b.57.1734026782147; Thu, 12 Dec 2024 10:06:22 -0800 (PST) Date: Thu, 12 Dec 2024 18:04:11 +0000 In-Reply-To: <20241212180423.1578358-1-smostafa@google.com> Precedence: bulk X-Mailing-List: kvmarm@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 References: <20241212180423.1578358-1-smostafa@google.com> X-Mailer: git-send-email 2.47.1.613.gc27f4b7a9f-goog Message-ID: <20241212180423.1578358-48-smostafa@google.com> Subject: [RFC PATCH v2 47/58] KVM: arm64: Add macro for SMCCC call with all returns From: Mostafa Saleh To: iommu@lists.linux.dev, kvmarm@lists.linux.dev, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org Cc: catalin.marinas@arm.com, will@kernel.org, maz@kernel.org, oliver.upton@linux.dev, joey.gouly@arm.com, suzuki.poulose@arm.com, yuzenghui@huawei.com, robdclark@gmail.com, joro@8bytes.org, robin.murphy@arm.com, jean-philippe@linaro.org, jgg@ziepe.ca, nicolinc@nvidia.com, vdonnefort@google.com, qperret@google.com, tabba@google.com, danielmentz@google.com, tzukui@google.com, Mostafa Saleh Content-Type: text/plain; charset="UTF-8" Add a macro that returns SMCCC returns from a hypercall. Signed-off-by: Mostafa Saleh --- arch/arm64/include/asm/kvm_host.h | 13 ++++++++++++- 1 file changed, 12 insertions(+), 1 deletion(-) diff --git a/arch/arm64/include/asm/kvm_host.h b/arch/arm64/include/asm/kvm_host.h index 59a23828bd0e..3cdc99ebdd0d 100644 --- a/arch/arm64/include/asm/kvm_host.h +++ b/arch/arm64/include/asm/kvm_host.h @@ -1248,7 +1248,18 @@ void kvm_arm_resume_guest(struct kvm *kvm); #define vcpu_has_run_once(vcpu) !!rcu_access_pointer((vcpu)->pid) #ifndef __KVM_NVHE_HYPERVISOR__ -#define kvm_call_hyp_nvhe(f, ...) \ +#define kvm_call_hyp_nvhe_smccc(f, ...) \ + ({ \ + struct arm_smccc_res res; \ + \ + arm_smccc_1_1_hvc(KVM_HOST_SMCCC_FUNC(f), \ + ##__VA_ARGS__, &res); \ + WARN_ON(res.a0 != SMCCC_RET_SUCCESS); \ + \ + res; \ + }) + +#define kvm_call_hyp_nvhe(f, ...) \ ({ \ struct arm_smccc_res res; \ \ -- 2.47.0.338.g60cca15819-goog