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[2403:580b:97e8:0:82ce:f179:8a79:69f4]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-71afc8342easm1665310b3a.11.2024.09.24.15.18.57 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 24 Sep 2024 15:18:59 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1727216340; x=1727821140; darn=nongnu.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=JDWkIALoLBcGO3kcfhgP6uCTD1Div6iRtmaz0O6swdM=; b=ljxhWo79ukotnQFitjc1KX6qmtB8L1C3ntfZFLa0xI29s1KYTCCTN599+e/mpBUKXh mSXVogDRgE9X6rDDXOTpsOFusSKCxx368Rn5lu4E2BxJ44jD6h/ILIYniPUel3Ox1MIX F3TdYls8Goh+9ruUEkl6Z/616lN2uxw4bymWjCsI3sknfzLaf5Hx77Ji6WeXupYK62mb uRR/oivbwMGY8zebB4thb/8dUqr6pH5gi76wfnl6XA1v8A16Xb80dvDHSSoxEhNVmeHe d44+LvL63zN97eQ6EjzUXYvGh6pIhjzKXxyOpVj15396UUJ6HqvcNYOCRnywNKmUR8Wt gCfQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1727216340; x=1727821140; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=JDWkIALoLBcGO3kcfhgP6uCTD1Div6iRtmaz0O6swdM=; b=hU4JBe1hjpcTDYD26s1IpFjZlIjnLa9CudBq2pPtwYmy+bwmENFYVg5qnJb8XWCH5c ix725/jESP9x+8d89WIRDYSmukuT6YtzF+sT7MyBWN46r4RrZdyYIASU+R4pBQ/Mybku jxOoH7CsECuhlGQr5X5wpruGg14tk3udG+gvTrN3wY2yBRsEGLyLU3D441PUkR2KspdI WSzP+jwumDxFMs5jdib7dsrazoqmNKEInZ/p7uPbOisYNHB9aFz66hOD0wMh6+5MSQUj F0DHhhNd6mu596BjHqKFCa1Nc8j0xwWsMf+qxO158AwJfAtQvqgl5qzcNu4iMHqIbTxW zzMg== X-Gm-Message-State: AOJu0YzFLu9sVIHbMjZVOa/VygCyMfuyqSs/ygkIjApEThiGuVZO8MCM ywHrVVAUPt400NfFqEEWtoxJYGAGQUu5rzNr4iwhkC2q/hSpoEWQNX8n3w== X-Google-Smtp-Source: AGHT+IEKjLDIbbmJVrFab57YEBErlWJOaAJXJI10I2Qz1x9FdBmpTUQZyAootEQYrev042R4ImD47g== X-Received: by 2002:a05:6a20:c909:b0:1cf:38cf:dfb6 with SMTP id adf61e73a8af0-1d4c6ecece2mr889639637.20.1727216340128; Tue, 24 Sep 2024 15:19:00 -0700 (PDT) From: Alistair Francis X-Google-Original-From: Alistair Francis To: qemu-devel@nongnu.org Cc: alistair23@gmail.com, Tomasz Jeznach , Daniel Henrique Barboza , Frank Chang , Alistair Francis Subject: [PULL v2 19/47] hw/riscv/virt.c: support for RISC-V IOMMU PCIDevice hotplug Date: Wed, 25 Sep 2024 08:17:20 +1000 Message-ID: <20240924221751.2688389-20-alistair.francis@wdc.com> X-Mailer: git-send-email 2.46.1 In-Reply-To: <20240924221751.2688389-1-alistair.francis@wdc.com> References: <20240924221751.2688389-1-alistair.francis@wdc.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2607:f8b0:4864:20::434; envelope-from=alistair23@gmail.com; helo=mail-pf1-x434.google.com X-Spam_score_int: -17 X-Spam_score: -1.8 X-Spam_bar: - X-Spam_report: (-1.8 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_ENVFROM_END_DIGIT=0.25, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @gmail.com) X-ZM-MESSAGEID: 1727216481236116600 Content-Type: text/plain; charset="utf-8" From: Tomasz Jeznach Generate device tree entry for riscv-iommu PCI device, along with mapping all PCI device identifiers to the single IOMMU device instance. Signed-off-by: Tomasz Jeznach Signed-off-by: Daniel Henrique Barboza Reviewed-by: Frank Chang Reviewed-by: Alistair Francis Message-ID: <20240903201633.93182-7-dbarboza@ventanamicro.com> Signed-off-by: Alistair Francis --- hw/riscv/virt.c | 33 ++++++++++++++++++++++++++++++++- 1 file changed, 32 insertions(+), 1 deletion(-) diff --git a/hw/riscv/virt.c b/hw/riscv/virt.c index cef41c150a..63d553ac98 100644 --- a/hw/riscv/virt.c +++ b/hw/riscv/virt.c @@ -32,6 +32,7 @@ #include "hw/core/sysbus-fdt.h" #include "target/riscv/pmu.h" #include "hw/riscv/riscv_hart.h" +#include "hw/riscv/iommu.h" #include "hw/riscv/virt.h" #include "hw/riscv/boot.h" #include "hw/riscv/numa.h" @@ -1032,6 +1033,30 @@ static void create_fdt_virtio_iommu(RISCVVirtState *= s, uint16_t bdf) bdf + 1, iommu_phandle, bdf + 1, 0xffff - bdf); } =20 +static void create_fdt_iommu(RISCVVirtState *s, uint16_t bdf) +{ + const char comp[] =3D "riscv,pci-iommu"; + void *fdt =3D MACHINE(s)->fdt; + uint32_t iommu_phandle; + g_autofree char *iommu_node =3D NULL; + g_autofree char *pci_node =3D NULL; + + pci_node =3D g_strdup_printf("/soc/pci@%lx", + (long) virt_memmap[VIRT_PCIE_ECAM].base); + iommu_node =3D g_strdup_printf("%s/iommu@%x", pci_node, bdf); + iommu_phandle =3D qemu_fdt_alloc_phandle(fdt); + qemu_fdt_add_subnode(fdt, iommu_node); + + qemu_fdt_setprop(fdt, iommu_node, "compatible", comp, sizeof(comp)); + qemu_fdt_setprop_cell(fdt, iommu_node, "#iommu-cells", 1); + qemu_fdt_setprop_cell(fdt, iommu_node, "phandle", iommu_phandle); + qemu_fdt_setprop_cells(fdt, iommu_node, "reg", + bdf << 8, 0, 0, 0, 0); + qemu_fdt_setprop_cells(fdt, pci_node, "iommu-map", + 0, iommu_phandle, 0, bdf, + bdf + 1, iommu_phandle, bdf + 1, 0xffff - bdf); +} + static void finalize_fdt(RISCVVirtState *s) { uint32_t phandle =3D 1, irq_mmio_phandle =3D 1, msi_pcie_phandle =3D 1; @@ -1738,9 +1763,11 @@ static HotplugHandler *virt_machine_get_hotplug_hand= ler(MachineState *machine, MachineClass *mc =3D MACHINE_GET_CLASS(machine); =20 if (device_is_dynamic_sysbus(mc, dev) || - object_dynamic_cast(OBJECT(dev), TYPE_VIRTIO_IOMMU_PCI)) { + object_dynamic_cast(OBJECT(dev), TYPE_VIRTIO_IOMMU_PCI) || + object_dynamic_cast(OBJECT(dev), TYPE_RISCV_IOMMU_PCI)) { return HOTPLUG_HANDLER(machine); } + return NULL; } =20 @@ -1761,6 +1788,10 @@ static void virt_machine_device_plug_cb(HotplugHandl= er *hotplug_dev, if (object_dynamic_cast(OBJECT(dev), TYPE_VIRTIO_IOMMU_PCI)) { create_fdt_virtio_iommu(s, pci_get_bdf(PCI_DEVICE(dev))); } + + if (object_dynamic_cast(OBJECT(dev), TYPE_RISCV_IOMMU_PCI)) { + create_fdt_iommu(s, pci_get_bdf(PCI_DEVICE(dev))); + } } =20 static void virt_machine_class_init(ObjectClass *oc, void *data) --=20 2.46.1