From patchwork Mon Mar 25 13:01:16 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Aleksei Filippov X-Patchwork-Id: 13602254 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 10491C54E58 for ; Mon, 25 Mar 2024 13:47:24 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1rokeI-0006Mi-Sf; Mon, 25 Mar 2024 09:46:02 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1rojxH-0002g9-Cd; Mon, 25 Mar 2024 09:01:38 -0400 Received: from mta-04.yadro.com ([89.207.88.248]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1rojxF-0001pz-9k; Mon, 25 Mar 2024 09:01:35 -0400 DKIM-Filter: OpenDKIM Filter v2.11.0 mta-04.yadro.com BF729C0029 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=syntacore.com; s=mta-04; t=1711371686; bh=xIIe5O6x22a7VBvnMNb4j1rhvzWw+lgcaBik4NeVUwc=; h=From:To:Subject:Date:Message-ID:MIME-Version:Content-Type:From; b=br2SgbIcp6hGyWtlKkpxMybxSKPqb+IyrhrB6E8mMUSlpcE7LtiRsHaRMrQhyYZzg C1TgwzxZ6BZXu1ANtkPXvpZ92JOrr5YcArZhEX3vwPFgcJ0x/sq0rAMoggLE6FAPEn k3QymuuY1XLMmMM7lYegSnKq5K62ANXdc1OpTBLAYKZvCikJ4XvhrwC5sSUAWfYPsC q7xNwMppU+xJVYQ+9iL++P+4rWRwUG/S127yFvUOieaMRf6o5pM8ZCDORsNU6Gdark BFHa4EpPvlzwQh31yY1/zh7Jswf6cvs+nRgmutiDWMjmHrnpt8TiaaIQAuPK/87eC3 Dudqx6DDAvX7g== DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=syntacore.com; s=mta-03; t=1711371686; bh=xIIe5O6x22a7VBvnMNb4j1rhvzWw+lgcaBik4NeVUwc=; h=From:To:Subject:Date:Message-ID:MIME-Version:Content-Type:From; b=qLCSWfKbxk6jcHHTpDr5dkwYLQY609xuMEu1XKIpeMORkxupv2Wmi6dmTax3HiCV8 /KkxGxYt1H2wleY+sSl/4zGTlR5k8wQ5+uLa0ifokITz3qhph3BkZQVkqNlf3WUmrq yEu3EOUhTaADFeWUYSIdeFDyMhBzn+yjVellR5vi+oYShPA1QjoYKLgH7mMWHETvSv ShA6oRD9o09s1WXwfWxDKyOEU6PIo7x/Ne5pbgKn3VhbcfV85dOQPFa5GHfzP96Sly 2TkmXm0LzWAcdoGfg1wv/d/rP0AkVreiLWAwzgcDD7ksC7z0tpx8JNtlsZ6eJebIUQ UUpe/Xu6GUV7Q== From: Alexei Filippov To: CC: , , , , , , , , Subject: [PATCH v2] target/riscv/kvm/kvm-cpu.c: kvm_riscv_handle_sbi() fail with vendor-specific SBI Date: Mon, 25 Mar 2024 16:01:16 +0300 Message-ID: <20240325130116.13194-1-alexei.filippov@syntacore.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: References: MIME-Version: 1.0 X-ClientProxiedBy: T-EXCH-10.corp.yadro.com (172.17.11.60) To T-EXCH-12.corp.yadro.com (172.17.11.143) Received-SPF: permerror client-ip=89.207.88.248; envelope-from=alexei.filippov@syntacore.com; helo=mta-04.yadro.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, SPF_HELO_NONE=0.001, T_SPF_PERMERROR=0.01 autolearn=ham autolearn_force=no X-Spam_action: no action X-Mailman-Approved-At: Mon, 25 Mar 2024 09:45:59 -0400 X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org kvm_riscv_handle_sbi() may return not supported return code to not trigger qemu abort with vendor-specific sbi. Added SBI related return code's defines. Signed-off-by: Alexei Filippov Fixes: 4eb47125 ("target/riscv: Handle KVM_EXIT_RISCV_SBI exit") Reviewed-by: Daniel Henrique Barboza Reviewed-by: Alistair Francis --- Changes since v1: -Add Fixes and Revied-by lines. target/riscv/kvm/kvm-cpu.c | 5 +++-- target/riscv/sbi_ecall_interface.h | 11 +++++++++++ 2 files changed, 14 insertions(+), 2 deletions(-) diff --git a/target/riscv/kvm/kvm-cpu.c b/target/riscv/kvm/kvm-cpu.c index 6a6c6cae80..a4f84ad950 100644 --- a/target/riscv/kvm/kvm-cpu.c +++ b/target/riscv/kvm/kvm-cpu.c @@ -1404,7 +1404,7 @@ static int kvm_riscv_handle_sbi(CPUState *cs, struct kvm_run *run) if (ret == sizeof(ch)) { run->riscv_sbi.ret[0] = ch; } else { - run->riscv_sbi.ret[0] = -1; + run->riscv_sbi.ret[0] = SBI_ERR_FAILURE; } ret = 0; break; @@ -1412,7 +1412,8 @@ static int kvm_riscv_handle_sbi(CPUState *cs, struct kvm_run *run) qemu_log_mask(LOG_UNIMP, "%s: un-handled SBI EXIT, specific reasons is %lu\n", __func__, run->riscv_sbi.extension_id); - ret = -1; + run->riscv_sbi.ret[0] = SBI_ERR_NOT_SUPPORTED; + ret = 0; break; } return ret; diff --git a/target/riscv/sbi_ecall_interface.h b/target/riscv/sbi_ecall_interface.h index 43899d08f6..0279e92a36 100644 --- a/target/riscv/sbi_ecall_interface.h +++ b/target/riscv/sbi_ecall_interface.h @@ -69,4 +69,15 @@ #define SBI_EXT_VENDOR_END 0x09FFFFFF /* clang-format on */ +/* SBI return error codes */ +#define SBI_SUCCESS 0 +#define SBI_ERR_FAILURE -1 +#define SBI_ERR_NOT_SUPPORTED -2 +#define SBI_ERR_INVALID_PARAM -3 +#define SBI_ERR_DENIED -4 +#define SBI_ERR_INVALID_ADDRESS -5 +#define SBI_ERR_ALREADY_AVAILABLE -6 +#define SBI_ERR_ALREADY_STARTED -7 +#define SBI_ERR_ALREADY_STOPPED -8 + #endif