From nobody Fri Dec 19 15:06:21 2025 Received: from mail.loongson.cn (mail.loongson.cn [114.242.206.163]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 275672E03F0; Sat, 6 Dec 2025 07:11:36 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=114.242.206.163 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1765005100; cv=none; b=YexuQoX2Szi058J2sDU+hRvBTgiVIl6ZzBk1J6lBaR8FMvZZhniv14yuCLdgpeUEIA7WT+5PE+KxkjhvAi80T1nFynKkAQKwqWXlpoQRNdxqnjUVImKBhXLmLdVdNjte8adXFnztZdYrWB4KEapJnMb2srhJLhsl5IDBhEh03j0= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1765005100; c=relaxed/simple; bh=0bkBUmx97QCJuRrNjTkHuif5W//TZyFWDqBdkm9fmcM=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=Md0i99I/m3aEsLdqad2gwkX0BJj2RlPgEQgoByrBdt28p9AIeEu6LW8d1ZnEaO3xQ08e4oJWpZznyFw9P8m41FOzeHPARdIw9QDaKhhfO3ME9Rf4lq416zir6na06H7Ho/J3C4/MwNAG0axuhv7Peut+Odo8X0rP4l6BrbMTiv8= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=loongson.cn; spf=pass smtp.mailfrom=loongson.cn; arc=none smtp.client-ip=114.242.206.163 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=loongson.cn Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=loongson.cn Received: from loongson.cn (unknown [10.2.5.185]) by gateway (Coremail) with SMTP id _____8BxF9Eb1zNp8LMrAA--.28768S3; Sat, 06 Dec 2025 15:11:23 +0800 (CST) Received: from localhost.localdomain (unknown [10.2.5.185]) by front1 (Coremail) with SMTP id qMiowJCx2sAX1zNpmFZGAQ--.33246S3; Sat, 06 Dec 2025 15:11:22 +0800 (CST) From: Song Gao To: maobibo@loongson.cn, chenhuacai@kernel.org Cc: kvm@vger.kernel.org, loongarch@lists.linux.dev, kernel@xen0n.name, linux-kernel@vger.kernel.org, lixianglai@loongson.cn Subject: [PATCH v3 1/4] LongArch: KVM: Add some maccros for AVEC Date: Sat, 6 Dec 2025 14:46:55 +0800 Message-Id: <20251206064658.714100-2-gaosong@loongson.cn> X-Mailer: git-send-email 2.39.1 In-Reply-To: <20251206064658.714100-1-gaosong@loongson.cn> References: <20251206064658.714100-1-gaosong@loongson.cn> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-CM-TRANSID: qMiowJCx2sAX1zNpmFZGAQ--.33246S3 X-CM-SenderInfo: 5jdr20tqj6z05rqj20fqof0/ X-Coremail-Antispam: 1Uk129KBjDUn29KB7ZKAUJUUUUU529EdanIXcx71UUUUU7KY7 ZEXasCq-sGcSsGvfJ3UbIjqfuFe4nvWSU5nxnvy29KBjDU0xBIdaVrnUUvcSsGvfC2Kfnx nUUI43ZEXa7xR_UUUUUUUUU== Content-Type: text/plain; charset="utf-8" Add some maccros for AVEC interrupt controller, so the dintc can use those maccros. Signed-off-by: Song Gao Reviewed-by: Bibo Mao --- arch/loongarch/include/asm/irq.h | 8 ++++++++ drivers/irqchip/irq-loongarch-avec.c | 5 +++-- 2 files changed, 11 insertions(+), 2 deletions(-) diff --git a/arch/loongarch/include/asm/irq.h b/arch/loongarch/include/asm/= irq.h index 12bd15578c33..aaa022fcb9e3 100644 --- a/arch/loongarch/include/asm/irq.h +++ b/arch/loongarch/include/asm/irq.h @@ -50,6 +50,14 @@ void spurious_interrupt(void); #define NR_LEGACY_VECTORS 16 #define IRQ_MATRIX_BITS NR_VECTORS =20 +#define AVEC_VIRQ_SHIFT 4 +#define AVEC_VIRQ_BIT 8 +#define AVEC_VIRQ_MASK GENMASK(AVEC_VIRQ_BIT - 1, 0) +#define AVEC_CPU_SHIFT 12 +#define AVEC_CPU_BIT 16 +#define AVEC_CPU_MASK GENMASK(AVEC_CPU_BIT - 1, 0) + + #define arch_trigger_cpumask_backtrace arch_trigger_cpumask_backtrace void arch_trigger_cpumask_backtrace(const struct cpumask *mask, int exclud= e_cpu); =20 diff --git a/drivers/irqchip/irq-loongarch-avec.c b/drivers/irqchip/irq-loo= ngarch-avec.c index bf52dc8345f5..f0118cfd4363 100644 --- a/drivers/irqchip/irq-loongarch-avec.c +++ b/drivers/irqchip/irq-loongarch-avec.c @@ -209,8 +209,9 @@ static void avecintc_compose_msi_msg(struct irq_data *d= , struct msi_msg *msg) struct avecintc_data *adata =3D irq_data_get_irq_chip_data(d); =20 msg->address_hi =3D 0x0; - msg->address_lo =3D (loongarch_avec.msi_base_addr | (adata->vec & 0xff) <= < 4) - | ((cpu_logical_map(adata->cpu & 0xffff)) << 12); + msg->address_lo =3D (loongarch_avec.msi_base_addr | + (adata->vec & AVEC_VIRQ_MASK) << AVEC_VIRQ_SHIFT) | + ((cpu_logical_map(adata->cpu & AVEC_CPU_MASK)) << AVEC_CPU_SHIFT); msg->data =3D 0x0; } =20 --=20 2.39.3