From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id D092130F953; Sun, 9 Nov 2025 17:16:38 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1762708598; cv=none; b=fPEy1a9L6+3hAnJgrV15WPySqR59hZf/nvwh29S0wS4cWEvAXhlkHu7qu2koXZO66kxGo9aMWNweSXnOJxm2Db/ObUnwtKWgSY6Xu+jJb+0OMDbT2graDqftH8AtFAxwVuyDiuzBmNxiPnneYEZSb04tdVUfvb5cRZCeB0R7rVw= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1762708598; c=relaxed/simple; bh=0hvmCeKhsMVd086Kod+NAOedYomhrKNdTjlyOXnTXNc=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=LOWX0zndVuKC7+5UM+ymr37b2fWMpqRcojfvo2BF5F2+rlOMpOFNDV9Uz2hLdCdui3/xCOo81KyhDEiIUEvTHNWRGVPkumRADYFXjYd8DbNRouHeUE/ov9v8yHv84hthh1CcAC5hnPZjBfOIM9b786BPa1eCe3ZiiPL+ECqHCdk= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=qUG/fFqk; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="qUG/fFqk" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 982D7C2BCB3; Sun, 9 Nov 2025 17:16:38 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1762708598; bh=0hvmCeKhsMVd086Kod+NAOedYomhrKNdTjlyOXnTXNc=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=qUG/fFqkVUnn10o82PM9xlLa5OIoumWh7+iedJkEppvSZHi2qfC+FY2BeXKiw4beE phCNB8RvmVRXYBoD2DTSmWkg3mFLdnmj1U79TDAQC30SWS8EGmqAPiNpTwsq6mpL2b 2gfmI5MtfemafhWuSzwcIoLWk0Lrr7qhiZ1ushtLt0WD40/opcF1rIICT9qwPNr5dk KBo5aGZDbZMoRuVSbVKax/B7CUzrloSqtYPSCSvMXNBwX9ggsMdZ9caP4EFFP4/JDo QsAF2Wi8V/6xALLvLQtZegX1nwQX826q08DgMAaGh8W187VyEuSNU7d6qfIu3wkatY PfEzHH+ZF41RQ== Received: from sofa.misterjones.org ([185.219.108.64] helo=valley-girl.lan) by disco-boy.misterjones.org with esmtpsa (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.98.2) (envelope-from ) id 1vI91o-00000003exw-3fkP; Sun, 09 Nov 2025 17:16:36 +0000 From: Marc Zyngier To: kvmarm@lists.linux.dev, linux-arm-kernel@lists.infradead.org, kvm@vger.kernel.org Cc: Joey Gouly , Suzuki K Poulose , Oliver Upton , Zenghui Yu , Christoffer Dall , Volodymyr Babchuk , Yao Yuan Subject: [PATCH v2 36/45] KVM: arm64: selftests: gic_v3: Add irq group setting helper Date: Sun, 9 Nov 2025 17:16:10 +0000 Message-ID: <20251109171619.1507205-37-maz@kernel.org> X-Mailer: git-send-email 2.47.3 In-Reply-To: <20251109171619.1507205-1-maz@kernel.org> References: <20251109171619.1507205-1-maz@kernel.org> Precedence: bulk X-Mailing-List: kvm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-SA-Exim-Connect-IP: 185.219.108.64 X-SA-Exim-Rcpt-To: kvmarm@lists.linux.dev, linux-arm-kernel@lists.infradead.org, kvm@vger.kernel.org, joey.gouly@arm.com, suzuki.poulose@arm.com, oupton@kernel.org, yuzenghui@huawei.com, christoffer.dall@arm.com, Volodymyr_Babchuk@epam.com, yaoyuan@linux.alibaba.com X-SA-Exim-Mail-From: maz@kernel.org X-SA-Exim-Scanned: No (on disco-boy.misterjones.org); SAEximRunCond expanded to false Being able to set the group of an interrupt is pretty useful. Add such a helper. Signed-off-by: Marc Zyngier --- tools/testing/selftests/kvm/include/arm64/gic.h | 1 + tools/testing/selftests/kvm/lib/arm64/gic.c | 6 ++++++ .../testing/selftests/kvm/lib/arm64/gic_private.h | 1 + tools/testing/selftests/kvm/lib/arm64/gic_v3.c | 15 +++++++++++++++ 4 files changed, 23 insertions(+) diff --git a/tools/testing/selftests/kvm/include/arm64/gic.h b/tools/testing/selftests/kvm/include/arm64/gic.h index baeb3c859389d..cc7a7f34ed377 100644 --- a/tools/testing/selftests/kvm/include/arm64/gic.h +++ b/tools/testing/selftests/kvm/include/arm64/gic.h @@ -57,6 +57,7 @@ void gic_irq_set_pending(unsigned int intid); void gic_irq_clear_pending(unsigned int intid); bool gic_irq_get_pending(unsigned int intid); void gic_irq_set_config(unsigned int intid, bool is_edge); +void gic_irq_set_group(unsigned int intid, bool group); void gic_rdist_enable_lpis(vm_paddr_t cfg_table, size_t cfg_table_size, vm_paddr_t pend_table); diff --git a/tools/testing/selftests/kvm/lib/arm64/gic.c b/tools/testing/selftests/kvm/lib/arm64/gic.c index 7abbf8866512a..b023868fe0b82 100644 --- a/tools/testing/selftests/kvm/lib/arm64/gic.c +++ b/tools/testing/selftests/kvm/lib/arm64/gic.c @@ -155,3 +155,9 @@ void gic_irq_set_config(unsigned int intid, bool is_edge) GUEST_ASSERT(gic_common_ops); gic_common_ops->gic_irq_set_config(intid, is_edge); } + +void gic_irq_set_group(unsigned int intid, bool group) +{ + GUEST_ASSERT(gic_common_ops); + gic_common_ops->gic_irq_set_group(intid, group); +} diff --git a/tools/testing/selftests/kvm/lib/arm64/gic_private.h b/tools/testing/selftests/kvm/lib/arm64/gic_private.h index d24e9ecc96c6d..b6a7e30c3eb1f 100644 --- a/tools/testing/selftests/kvm/lib/arm64/gic_private.h +++ b/tools/testing/selftests/kvm/lib/arm64/gic_private.h @@ -25,6 +25,7 @@ struct gic_common_ops { void (*gic_irq_clear_pending)(uint32_t intid); bool (*gic_irq_get_pending)(uint32_t intid); void (*gic_irq_set_config)(uint32_t intid, bool is_edge); + void (*gic_irq_set_group)(uint32_t intid, bool group); }; extern const struct gic_common_ops gicv3_ops; diff --git a/tools/testing/selftests/kvm/lib/arm64/gic_v3.c b/tools/testing/selftests/kvm/lib/arm64/gic_v3.c index 66d05506f78b1..3e4e1a6a4f7c3 100644 --- a/tools/testing/selftests/kvm/lib/arm64/gic_v3.c +++ b/tools/testing/selftests/kvm/lib/arm64/gic_v3.c @@ -293,6 +293,20 @@ static void gicv3_enable_redist(volatile void *redist_base) } } +static void gicv3_set_group(uint32_t intid, bool grp) +{ + uint32_t cpu_or_dist; + uint32_t val; + + cpu_or_dist = (get_intid_range(intid) == SPI_RANGE) ? DIST_BIT : guest_get_vcpuid(); + val = gicv3_reg_readl(cpu_or_dist, GICD_IGROUPR + (intid / 32) * 4); + if (grp) + val |= BIT(intid % 32); + else + val &= ~BIT(intid % 32); + gicv3_reg_writel(cpu_or_dist, GICD_IGROUPR + (intid / 32) * 4, val); +} + static void gicv3_cpu_init(unsigned int cpu) { volatile void *sgi_base; @@ -400,6 +414,7 @@ const struct gic_common_ops gicv3_ops = { .gic_irq_clear_pending = gicv3_irq_clear_pending, .gic_irq_get_pending = gicv3_irq_get_pending, .gic_irq_set_config = gicv3_irq_set_config, + .gic_irq_set_group = gicv3_set_group, }; void gic_rdist_enable_lpis(vm_paddr_t cfg_table, size_t cfg_table_size, -- 2.47.3