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c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1745836033; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=69FrE0S4fSJ+qVigUPurs+LzNHJjYE7L3jEoiPizqRE=; b=R4JLdHd/lIkSvOzNTqeJzuzEdwEU78LkByUkSOVYzPw1F//4tU+YnnxcQW7AtzfL1lBhO5 3dg5iQLYzl6Og2hQe1V4UTjA+3MbE8J+0F8h5juuVA8oD6aicd+k/GIiR/wUwiq7YGwP1c zCINXfLH+Rh4FkHkGejKjmr5bZVnFr8= X-MC-Unique: FNyzShMVMdGhlGQS1BMBlA-1 X-Mimecast-MFC-AGG-ID: FNyzShMVMdGhlGQS1BMBlA_1745836029 From: Eric Auger To: eric.auger.pro@gmail.com, eric.auger@redhat.com, qemu-devel@nongnu.org, qemu-arm@nongnu.org, peter.maydell@linaro.org, imammedo@redhat.com, anisinha@redhat.com, mst@redhat.com, shannon.zhaosl@gmail.com Cc: pbonzini@redhat.com, Jonathan.Cameron@huawei.com Subject: [RFC 07/24] hw/pci-host/gpex-acpi: Add native_pci_hotplug arg to acpi_dsdt_add_pci_osc Date: Mon, 28 Apr 2025 12:25:33 +0200 Message-ID: <20250428102628.378046-8-eric.auger@redhat.com> In-Reply-To: <20250428102628.378046-1-eric.auger@redhat.com> References: <20250428102628.378046-1-eric.auger@redhat.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Scanned-By: MIMEDefang 3.4.1 on 10.30.177.93 Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; 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charset="utf-8" Add a new argument to acpi_dsdt_add_pci_osc to be able to disable native pci hotplug. Signed-off-by: Eric Auger Reviewed-by: Gustavo Romero --- hw/pci-host/gpex-acpi.c | 11 ++++++----- 1 file changed, 6 insertions(+), 5 deletions(-) diff --git a/hw/pci-host/gpex-acpi.c b/hw/pci-host/gpex-acpi.c index e8b4c64c5f..4016089893 100644 --- a/hw/pci-host/gpex-acpi.c +++ b/hw/pci-host/gpex-acpi.c @@ -50,7 +50,7 @@ static void acpi_dsdt_add_pci_route_table(Aml *dev, uint3= 2_t irq, } } =20 -static void acpi_dsdt_add_pci_osc(Aml *dev) +static void acpi_dsdt_add_pci_osc(Aml *dev, bool enable_native_pcie_hotplu= g) { Aml *method, *UUID, *ifctx, *ifctx1, *elsectx, *buf; =20 @@ -80,8 +80,9 @@ static void acpi_dsdt_add_pci_osc(Aml *dev) * Allow OS control for all 5 features: * PCIeHotplug SHPCHotplug PME AER PCIeCapability. */ - aml_append(ifctx, aml_and(aml_name("CTRL"), aml_int(0x1F), - aml_name("CTRL"))); + aml_append(ifctx, aml_and(aml_name("CTRL"), + aml_int(0x1E | (enable_native_pcie_hotplug ? 0x1 : 0x0)), + aml_name("CTRL"))); =20 ifctx1 =3D aml_if(aml_lnot(aml_equal(aml_arg(1), aml_int(0x1)))); aml_append(ifctx1, aml_or(aml_name("CDW1"), aml_int(0x08), @@ -192,7 +193,7 @@ void acpi_dsdt_add_gpex(Aml *scope, struct GPEXConfig *= cfg) if (is_cxl) { build_cxl_osc_method(dev); } else { - acpi_dsdt_add_pci_osc(dev); + acpi_dsdt_add_pci_osc(dev, true); } =20 aml_append(scope, dev); @@ -267,7 +268,7 @@ void acpi_dsdt_add_gpex(Aml *scope, struct GPEXConfig *= cfg) } aml_append(dev, aml_name_decl("_CRS", rbuf)); =20 - acpi_dsdt_add_pci_osc(dev); + acpi_dsdt_add_pci_osc(dev, true); =20 Aml *dev_res0 =3D aml_device("%s", "RES0"); aml_append(dev_res0, aml_name_decl("_HID", aml_string("PNP0C02"))); --=20 2.49.0