From mboxrd@z Thu Jan 1 00:00:00 1970 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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (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 5214BCA5FC5 for ; Thu, 1 Oct 2026 07:11:21 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: MIME-Version:References:In-Reply-To:Message-Id:Date:Subject:Cc:To:From: Reply-To:Content-Type:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=Tc2cF8jnODp7Btdt632qMqm5LqgTaV8Ooq81AAYwotk=; b=CGJOyeoqeJcV7ysYk9u4TEyUHF EMTmkXiNLb6QHob3adqD1JrSkC831vosnLunsdQ+370crCJqxz5JzpXFP4wZRZRf5t1eb/PL9Zu7I v33P5mz2FWqp++KJvqHoNkgahTUH2Q7w8SKETCT7CbYu2AnIWHlVttb9Pwf51Ai8RRoA3kdRbQk0c jVGBeQVcikuyO/H4i/lrCjJF5aVDVXQdROgDyCuWm4mQ2YMycepIzMd5l5vp+97fl602TYQuWT7kD JI2XWT7erW5g6EHwwSBA1yjvsFFd7IGDz7ErzjKoDZy0kgz+RGkv2PSkWOYUDr5zavotsbB3dW5jX LbvE2hWg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.99.1 #2 (Red Hat Linux)) id 1xCAwk-00000007xhK-46Tt; Thu, 01 Oct 2026 07:11:14 +0000 Received: from out-82.mta0.migadu.com ([2001:41d0:1004:224b::52] helo=mta0.migadu.com) by bombadil.infradead.org with esmtps (Exim 4.99.1 #2 (Red Hat Linux)) id 1xCAwi-00000007xfe-1yq2 for linux-arm-kernel@lists.infradead.org; Thu, 01 Oct 2026 07:11:13 +0000 X-Envelope-To: linux-arm-kernel@lists.infradead.org DKIM-Signature: a=rsa-sha256; bh=EejT2Q/JwSDIbSSxftpqQ/aTDCn9mVylyaJPheAAJww=; c=simple/simple; d=linux.dev; h=from:to:subject:date:message-id:mime-version:content-type; s=key1; t=1790838670; v=1; x=1791443470; b=E7EGUZ353BXOR1tCMyyF7E8m7CYatVR0zTsBVPKEXaPRJF9CSsDYix8auV6FJ62WKGaHtIis Gv2ejT8U742XiGx9xq+d8u73TAfuxrVfkan0KnzKrGsVPmPNixvjXlx4r2utiJ9+t8H0ghMzxRH l4HwiAmNmyGohqQ71ln892MI= X-Envelope-To: linux-arm-kernel@lists.infradead.org Received: by smtp.migadu.com with ESMTPS id f3d13b3cb84fa9cc; Thu, 01 Oct 2026 07:11:10 +0000 X-Mizu-Trace-ID: f3d13b3cb84fa9cc X-Migadu-Flow: FLOW_OUT From: Fuad Tabba To: Marc Zyngier , Oliver Upton Cc: kvmarm@lists.linux.dev, linux-arm-kernel@lists.infradead.org, Will Deacon , Joey Gouly , Suzuki K Poulose , Zenghui Yu , Steffen Eiden , Yuchao Zhang , Fuad Tabba Subject: [PATCH v2 1/3] KVM: arm64: selftests: Add MOVI and MOVALL commands to the ITS library Date: Thu, 1 Oct 2026 08:10:58 +0100 Message-Id: <20261001071100.190013-2-fuad.tabba@linux.dev> X-Mailer: git-send-email 2.39.5 In-Reply-To: <20261001071100.190013-1-fuad.tabba@linux.dev> References: <20261001071100.190013-1-fuad.tabba@linux.dev> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20261001_001112_652215_88FBBFA3 X-CRM114-Status: UNSURE ( 9.52 ) X-CRM114-Notice: Please train this message. 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 Add its_send_movi_cmd() and its_send_movall_cmd() for a test that moves a pending LPI. MOVALL takes both redistributors as processor numbers, as its_send_mapc_cmd() and its_send_sync_cmd() do, and the new its_encode_target2() puts the second one in RDbase2, in the command's fourth doubleword. Assisted-by: LLM Signed-off-by: Fuad Tabba --- .../selftests/kvm/include/arm64/gic_v3_its.h | 2 ++ .../selftests/kvm/lib/arm64/gic_v3_its.c | 28 +++++++++++++++++++ 2 files changed, 30 insertions(+) diff --git a/tools/testing/selftests/kvm/include/arm64/gic_v3_its.h b/tools/testing/selftests/kvm/include/arm64/gic_v3_its.h index a43a407e2d5c1..e30a658fbd1c3 100644 --- a/tools/testing/selftests/kvm/include/arm64/gic_v3_its.h +++ b/tools/testing/selftests/kvm/include/arm64/gic_v3_its.h @@ -14,6 +14,8 @@ void its_send_mapc_cmd(void *cmdq_base, u32 vcpu_id, u32 collection_id, bool val void its_send_mapti_cmd(void *cmdq_base, u32 device_id, u32 event_id, u32 collection_id, u32 intid); void its_send_invall_cmd(void *cmdq_base, u32 collection_id); +void its_send_movi_cmd(void *cmdq_base, u32 device_id, u32 event_id, u32 collection_id); +void its_send_movall_cmd(void *cmdq_base, u32 from_vcpu, u32 to_vcpu); void its_send_sync_cmd(void *cmdq_base, u32 vcpu_id); #endif // __SELFTESTS_GIC_V3_ITS_H__ diff --git a/tools/testing/selftests/kvm/lib/arm64/gic_v3_its.c b/tools/testing/selftests/kvm/lib/arm64/gic_v3_its.c index 1188b578121dd..811d858f5def6 100644 --- a/tools/testing/selftests/kvm/lib/arm64/gic_v3_its.c +++ b/tools/testing/selftests/kvm/lib/arm64/gic_v3_its.c @@ -159,6 +159,11 @@ static void its_encode_target(struct its_cmd_block *cmd, u64 target_addr) its_mask_encode(&cmd->raw_cmd[2], target_addr >> 16, 51, 16); } +static void its_encode_target2(struct its_cmd_block *cmd, u64 target_addr) +{ + its_mask_encode(&cmd->raw_cmd[3], target_addr >> 16, 51, 16); +} + static void its_encode_collection(struct its_cmd_block *cmd, u16 col) { its_mask_encode(&cmd->raw_cmd[2], col, 15, 0); @@ -253,6 +258,29 @@ void its_send_invall_cmd(void *cmdq_base, u32 collection_id) its_send_cmd(cmdq_base, &cmd); } +void its_send_movi_cmd(void *cmdq_base, u32 device_id, u32 event_id, u32 collection_id) +{ + struct its_cmd_block cmd = {}; + + its_encode_cmd(&cmd, GITS_CMD_MOVI); + its_encode_devid(&cmd, device_id); + its_encode_event_id(&cmd, event_id); + its_encode_collection(&cmd, collection_id); + + its_send_cmd(cmdq_base, &cmd); +} + +void its_send_movall_cmd(void *cmdq_base, u32 from_vcpu, u32 to_vcpu) +{ + struct its_cmd_block cmd = {}; + + its_encode_cmd(&cmd, GITS_CMD_MOVALL); + its_encode_target(&cmd, procnum_to_rdbase(from_vcpu)); + its_encode_target2(&cmd, procnum_to_rdbase(to_vcpu)); + + its_send_cmd(cmdq_base, &cmd); +} + void its_send_sync_cmd(void *cmdq_base, u32 vcpu_id) { struct its_cmd_block cmd = {}; -- 2.39.5