From patchwork Tue May 14 22:43:53 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Roman Kisel X-Patchwork-Id: 13664460 X-Patchwork-Delegate: bhelgaas@google.com Received: from linux.microsoft.com (linux.microsoft.com [13.77.154.182]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 6DB61182C8C; Tue, 14 May 2024 22:45:28 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=13.77.154.182 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1715726730; cv=none; b=B8M8INrcazBfZFFmt3DwYcmOVX53TnEOLiccvR+5FuNQuF6MlruB0vlUQ1SJPeyfEBELMtddR1XlqZU5A5imzW4YWok3gLYqGSNbWi33pHCFTx8bVetbeFnUMgijnikq4LLjWs8QsZrE9CsPYMcy5CY1q5qG/fPY/Gr8MV8WuuM= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1715726730; c=relaxed/simple; bh=Zv26x/T8ogrdxgGzOuPHS9PDINbVhcAXhtoB3XLW4Qk=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=QfOn84RrnywBp2UtsxOwS9gGMWQrqrO8nljpXVtW6+JnZIBcAwghhOV4j2xH8WZkkkjwIBOtW5odcoTr6CR+zIDLRomBeQl7/R47hPldG7OWZgTwqxQJCfZYCxuW/QxHyV8W0u3yo6+N23TJPt6JoSA6S9VLyrzL1xqPMOJAu7o= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.microsoft.com; spf=pass smtp.mailfrom=linux.microsoft.com; dkim=pass (1024-bit key) header.d=linux.microsoft.com header.i=@linux.microsoft.com header.b=XaX/+GHn; arc=none smtp.client-ip=13.77.154.182 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.microsoft.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linux.microsoft.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux.microsoft.com header.i=@linux.microsoft.com header.b="XaX/+GHn" Received: from xps-8930.corp.microsoft.com (unknown [131.107.160.48]) by linux.microsoft.com (Postfix) with ESMTPSA id 594892095D11; Tue, 14 May 2024 15:45:22 -0700 (PDT) DKIM-Filter: OpenDKIM Filter v2.11.0 linux.microsoft.com 594892095D11 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.microsoft.com; s=default; t=1715726722; bh=nn4KQV68n4WSbSFFxJJQzluv/kgRud1rPVzivgVs9S0=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=XaX/+GHnNrg4XA0FawTJAnlgsIOEcHB9P133ahRuzmaWgZZ6922vOaNOwsOEObWM7 AKTg8l8OU+3i7fIREg8gSUe0LulylVa3E4yiL/5WxMUHcppdm87ciWmuuZ4a9P2COu hpuzTKW1wNC60oQ1+gokVeFkzm41EemxwR99IiVY= From: Roman Kisel To: arnd@arndb.de, bhelgaas@google.com, bp@alien8.de, catalin.marinas@arm.com, dave.hansen@linux.intel.com, decui@microsoft.com, haiyangz@microsoft.com, hpa@zytor.com, kw@linux.com, kys@microsoft.com, lenb@kernel.org, lpieralisi@kernel.org, mingo@redhat.com, mhklinux@outlook.com, rafael@kernel.org, robh@kernel.org, tglx@linutronix.de, wei.liu@kernel.org, will@kernel.org, linux-acpi@vger.kernel.org, linux-arch@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-hyperv@vger.kernel.org, linux-kernel@vger.kernel.org, linux-pci@vger.kernel.org, x86@kernel.org Cc: ssengar@microsoft.com, sunilmut@microsoft.com, vdso@hexbites.dev Subject: [PATCH v2 6/6] drivers/pci/hyperv/arm64: vPCI MSI IRQ domain from DT Date: Tue, 14 May 2024 15:43:53 -0700 Message-ID: <20240514224508.212318-7-romank@linux.microsoft.com> X-Mailer: git-send-email 2.45.0 In-Reply-To: <20240514224508.212318-1-romank@linux.microsoft.com> References: <20240514224508.212318-1-romank@linux.microsoft.com> Precedence: bulk X-Mailing-List: linux-pci@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 The hyperv-pci driver uses ACPI for MSI IRQ domain configuration on arm64 thereby it won't be able to do that in the VTL mode where only DeviceTree can be used. Update the hyperv-pci driver to discover interrupt configuration via DeviceTree. Signed-off-by: Roman Kisel --- drivers/pci/controller/pci-hyperv.c | 13 ++++++++++--- include/linux/acpi.h | 9 +++++++++ 2 files changed, 19 insertions(+), 3 deletions(-) diff --git a/drivers/pci/controller/pci-hyperv.c b/drivers/pci/controller/pci-hyperv.c index 1eaffff40b8d..ccc2b54206f4 100644 --- a/drivers/pci/controller/pci-hyperv.c +++ b/drivers/pci/controller/pci-hyperv.c @@ -906,9 +906,16 @@ static int hv_pci_irqchip_init(void) * way to ensure that all the corresponding devices are also gone and * no interrupts will be generated. */ - hv_msi_gic_irq_domain = acpi_irq_create_hierarchy(0, HV_PCI_MSI_SPI_NR, - fn, &hv_pci_domain_ops, - chip_data); + if (acpi_disabled) + hv_msi_gic_irq_domain = irq_domain_create_hierarchy( + irq_find_matching_fwnode(fn, DOMAIN_BUS_ANY), + 0, HV_PCI_MSI_SPI_NR, + fn, &hv_pci_domain_ops, + chip_data); + else + hv_msi_gic_irq_domain = acpi_irq_create_hierarchy(0, HV_PCI_MSI_SPI_NR, + fn, &hv_pci_domain_ops, + chip_data); if (!hv_msi_gic_irq_domain) { pr_err("Failed to create Hyper-V arm64 vPCI MSI IRQ domain\n"); diff --git a/include/linux/acpi.h b/include/linux/acpi.h index b7165e52b3c6..498cbb2c40a1 100644 --- a/include/linux/acpi.h +++ b/include/linux/acpi.h @@ -1077,6 +1077,15 @@ static inline bool acpi_sleep_state_supported(u8 sleep_state) return false; } +static inline struct irq_domain *acpi_irq_create_hierarchy(unsigned int flags, + unsigned int size, + struct fwnode_handle *fwnode, + const struct irq_domain_ops *ops, + void *host_data) +{ + return NULL; +} + #endif /* !CONFIG_ACPI */ extern void arch_post_acpi_subsys_init(void);