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Tue, 16 Jun 2020 03:23:12 +0000 From: Anup Patel To: Peter Maydell , Palmer Dabbelt , Alistair Francis , Sagar Karandikar Subject: [PATCH v6 5/5] hw/riscv: virt: Allow creating multiple NUMA sockets Date: Tue, 16 Jun 2020 08:52:29 +0530 Message-Id: <20200616032229.766089-6-anup.patel@wdc.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20200616032229.766089-1-anup.patel@wdc.com> References: <20200616032229.766089-1-anup.patel@wdc.com> X-ClientProxiedBy: MAXPR01CA0099.INDPRD01.PROD.OUTLOOK.COM (2603:1096:a00:5d::17) To DM6PR04MB6201.namprd04.prod.outlook.com (2603:10b6:5:127::32) MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 Received: from wdc.com (122.171.201.92) by MAXPR01CA0099.INDPRD01.PROD.OUTLOOK.COM (2603:1096:a00:5d::17) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.3088.19 via Frontend Transport; Tue, 16 Jun 2020 03:23:09 +0000 X-Mailer: git-send-email 2.25.1 X-Originating-IP: [122.171.201.92] X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-HT: Tenant X-MS-Office365-Filtering-Correlation-Id: 23ae7205-fa63-439a-9d47-08d811a499a4 X-MS-TrafficTypeDiagnostic: DM6PR04MB4123: X-MS-Exchange-Transport-Forked: True X-Microsoft-Antispam-PRVS: WDCIPOUTBOUND: EOP-TRUE X-MS-Oob-TLC-OOBClassifiers: OLM:265; 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envelope-from=prvs=4298fe783=Anup.Patel@wdc.com; helo=esa5.hgst.iphmx.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/06/15 23:23:14 X-ACL-Warn: Detected OS = FreeBSD 9.x or newer [fuzzy] X-Spam_score_int: -43 X-Spam_score: -4.4 X-Spam_bar: ---- X-Spam_report: (-4.4 / 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, MSGID_FROM_MTA_HEADER=0.001, RCVD_IN_DNSWL_MED=-2.3, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001 autolearn=_AUTOLEARN X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Atish Patra , Anup Patel , qemu-riscv@nongnu.org, qemu-devel@nongnu.org, Anup Patel Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" We extend RISC-V virt machine to allow creating a multi-socket machine. Each RISC-V virt machine socket is a NUMA node having a set of HARTs, a memory instance, a CLINT instance, and a PLIC instance. Other devices are shared between all sockets. We also update the generated device tree accordingly. By default, NUMA multi-socket support is disabled for RISC-V virt machine. To enable it, users can use "-numa" command-line options of QEMU. Example1: For two NUMA nodes with 2 CPUs each, append following to command-line options: "-smp 4 -numa node -numa node" Example2: For two NUMA nodes with 1 and 3 CPUs, append following to command-line options: "-smp 4 -numa node -numa node -numa cpu,node-id=0,core-id=0 \ -numa cpu,node-id=1,core-id=1 -numa cpu,node-id=1,core-id=2 \ -numa cpu,node-id=1,core-id=3" The maximum number of sockets in a RISC-V virt machine is 8 but this limit can be changed in future. Signed-off-by: Anup Patel Reviewed-by: Atish Patra Reviewed-by: Alistair Francis --- hw/riscv/virt.c | 530 +++++++++++++++++++++++----------------- include/hw/riscv/virt.h | 9 +- 2 files changed, 308 insertions(+), 231 deletions(-) diff --git a/hw/riscv/virt.c b/hw/riscv/virt.c index 35dc43d620..e01925ff3d 100644 --- a/hw/riscv/virt.c +++ b/hw/riscv/virt.c @@ -35,6 +35,7 @@ #include "hw/riscv/sifive_test.h" #include "hw/riscv/virt.h" #include "hw/riscv/boot.h" +#include "hw/riscv/numa.h" #include "chardev/char.h" #include "sysemu/arch_init.h" #include "sysemu/device_tree.h" @@ -60,7 +61,7 @@ static const struct MemmapEntry { [VIRT_TEST] = { 0x100000, 0x1000 }, [VIRT_RTC] = { 0x101000, 0x1000 }, [VIRT_CLINT] = { 0x2000000, 0x10000 }, - [VIRT_PLIC] = { 0xc000000, 0x4000000 }, + [VIRT_PLIC] = { 0xc000000, VIRT_PLIC_SIZE(VIRT_CPUS_MAX * 2) }, [VIRT_UART0] = { 0x10000000, 0x100 }, [VIRT_VIRTIO] = { 0x10001000, 0x1000 }, [VIRT_FLASH] = { 0x20000000, 0x4000000 }, @@ -182,10 +183,17 @@ static void create_fdt(RISCVVirtState *s, const struct MemmapEntry *memmap, uint64_t mem_size, const char *cmdline) { void *fdt; - int cpu, i; - uint32_t *cells; - char *nodename; - uint32_t plic_phandle, test_phandle, phandle = 1; + int i, cpu, socket; + MachineState *mc = MACHINE(s); + uint64_t addr, size; + uint32_t *clint_cells, *plic_cells; + unsigned long clint_addr, plic_addr; + uint32_t plic_phandle[MAX_NODES]; + uint32_t cpu_phandle, intc_phandle, test_phandle; + uint32_t phandle = 1, plic_mmio_phandle = 1; + uint32_t plic_pcie_phandle = 1, plic_virtio_phandle = 1; + char *mem_name, *cpu_name, *core_name, *intc_name; + char *name, *clint_name, *plic_name, *clust_name; hwaddr flashsize = virt_memmap[VIRT_FLASH].size / 2; hwaddr flashbase = virt_memmap[VIRT_FLASH].base; @@ -206,231 +214,238 @@ static void create_fdt(RISCVVirtState *s, const struct MemmapEntry *memmap, qemu_fdt_setprop_cell(fdt, "/soc", "#size-cells", 0x2); qemu_fdt_setprop_cell(fdt, "/soc", "#address-cells", 0x2); - nodename = g_strdup_printf("/memory@%lx", - (long)memmap[VIRT_DRAM].base); - qemu_fdt_add_subnode(fdt, nodename); - qemu_fdt_setprop_cells(fdt, nodename, "reg", - memmap[VIRT_DRAM].base >> 32, memmap[VIRT_DRAM].base, - mem_size >> 32, mem_size); - qemu_fdt_setprop_string(fdt, nodename, "device_type", "memory"); - g_free(nodename); - qemu_fdt_add_subnode(fdt, "/cpus"); qemu_fdt_setprop_cell(fdt, "/cpus", "timebase-frequency", SIFIVE_CLINT_TIMEBASE_FREQ); qemu_fdt_setprop_cell(fdt, "/cpus", "#size-cells", 0x0); qemu_fdt_setprop_cell(fdt, "/cpus", "#address-cells", 0x1); + qemu_fdt_add_subnode(fdt, "/cpus/cpu-map"); + + for (socket = (riscv_socket_count(mc) - 1); socket >= 0; socket--) { + clust_name = g_strdup_printf("/cpus/cpu-map/cluster%d", socket); + qemu_fdt_add_subnode(fdt, clust_name); + + plic_cells = g_new0(uint32_t, s->soc[socket].num_harts * 4); + clint_cells = g_new0(uint32_t, s->soc[socket].num_harts * 4); + + for (cpu = s->soc[socket].num_harts - 1; cpu >= 0; cpu--) { + cpu_phandle = phandle++; - for (cpu = s->soc.num_harts - 1; cpu >= 0; cpu--) { - int cpu_phandle = phandle++; - int intc_phandle; - nodename = g_strdup_printf("/cpus/cpu@%d", cpu); - char *intc = g_strdup_printf("/cpus/cpu@%d/interrupt-controller", cpu); - char *isa = riscv_isa_string(&s->soc.harts[cpu]); - qemu_fdt_add_subnode(fdt, nodename); + cpu_name = g_strdup_printf("/cpus/cpu@%d", + s->soc[socket].hartid_base + cpu); + qemu_fdt_add_subnode(fdt, cpu_name); #if defined(TARGET_RISCV32) - qemu_fdt_setprop_string(fdt, nodename, "mmu-type", "riscv,sv32"); + qemu_fdt_setprop_string(fdt, cpu_name, "mmu-type", "riscv,sv32"); #else - qemu_fdt_setprop_string(fdt, nodename, "mmu-type", "riscv,sv48"); + qemu_fdt_setprop_string(fdt, cpu_name, "mmu-type", "riscv,sv48"); #endif - qemu_fdt_setprop_string(fdt, nodename, "riscv,isa", isa); - qemu_fdt_setprop_string(fdt, nodename, "compatible", "riscv"); - qemu_fdt_setprop_string(fdt, nodename, "status", "okay"); - qemu_fdt_setprop_cell(fdt, nodename, "reg", cpu); - qemu_fdt_setprop_string(fdt, nodename, "device_type", "cpu"); - qemu_fdt_setprop_cell(fdt, nodename, "phandle", cpu_phandle); - intc_phandle = phandle++; - qemu_fdt_add_subnode(fdt, intc); - qemu_fdt_setprop_cell(fdt, intc, "phandle", intc_phandle); - qemu_fdt_setprop_string(fdt, intc, "compatible", "riscv,cpu-intc"); - qemu_fdt_setprop(fdt, intc, "interrupt-controller", NULL, 0); - qemu_fdt_setprop_cell(fdt, intc, "#interrupt-cells", 1); - g_free(isa); - g_free(intc); - g_free(nodename); - } + name = riscv_isa_string(&s->soc[socket].harts[cpu]); + qemu_fdt_setprop_string(fdt, cpu_name, "riscv,isa", name); + g_free(name); + qemu_fdt_setprop_string(fdt, cpu_name, "compatible", "riscv"); + qemu_fdt_setprop_string(fdt, cpu_name, "status", "okay"); + qemu_fdt_setprop_cell(fdt, cpu_name, "reg", + s->soc[socket].hartid_base + cpu); + qemu_fdt_setprop_string(fdt, cpu_name, "device_type", "cpu"); + riscv_socket_fdt_write_id(mc, fdt, cpu_name, socket); + qemu_fdt_setprop_cell(fdt, cpu_name, "phandle", cpu_phandle); + + intc_name = g_strdup_printf("%s/interrupt-controller", cpu_name); + qemu_fdt_add_subnode(fdt, intc_name); + intc_phandle = phandle++; + qemu_fdt_setprop_cell(fdt, intc_name, "phandle", intc_phandle); + qemu_fdt_setprop_string(fdt, intc_name, "compatible", + "riscv,cpu-intc"); + qemu_fdt_setprop(fdt, intc_name, "interrupt-controller", NULL, 0); + qemu_fdt_setprop_cell(fdt, intc_name, "#interrupt-cells", 1); + + clint_cells[cpu * 4 + 0] = cpu_to_be32(intc_phandle); + clint_cells[cpu * 4 + 1] = cpu_to_be32(IRQ_M_SOFT); + clint_cells[cpu * 4 + 2] = cpu_to_be32(intc_phandle); + clint_cells[cpu * 4 + 3] = cpu_to_be32(IRQ_M_TIMER); + + plic_cells[cpu * 4 + 0] = cpu_to_be32(intc_phandle); + plic_cells[cpu * 4 + 1] = cpu_to_be32(IRQ_M_EXT); + plic_cells[cpu * 4 + 2] = cpu_to_be32(intc_phandle); + plic_cells[cpu * 4 + 3] = cpu_to_be32(IRQ_S_EXT); + + core_name = g_strdup_printf("%s/core%d", clust_name, cpu); + qemu_fdt_add_subnode(fdt, core_name); + qemu_fdt_setprop_cell(fdt, core_name, "cpu", cpu_phandle); + + g_free(core_name); + g_free(intc_name); + g_free(cpu_name); + } - /* Add cpu-topology node */ - qemu_fdt_add_subnode(fdt, "/cpus/cpu-map"); - qemu_fdt_add_subnode(fdt, "/cpus/cpu-map/cluster0"); - for (cpu = s->soc.num_harts - 1; cpu >= 0; cpu--) { - char *core_nodename = g_strdup_printf("/cpus/cpu-map/cluster0/core%d", - cpu); - char *cpu_nodename = g_strdup_printf("/cpus/cpu@%d", cpu); - uint32_t intc_phandle = qemu_fdt_get_phandle(fdt, cpu_nodename); - qemu_fdt_add_subnode(fdt, core_nodename); - qemu_fdt_setprop_cell(fdt, core_nodename, "cpu", intc_phandle); - g_free(core_nodename); - g_free(cpu_nodename); + addr = memmap[VIRT_DRAM].base + riscv_socket_mem_offset(mc, socket); + size = riscv_socket_mem_size(mc, socket); + mem_name = g_strdup_printf("/memory@%lx", (long)addr); + qemu_fdt_add_subnode(fdt, mem_name); + qemu_fdt_setprop_cells(fdt, mem_name, "reg", + addr >> 32, addr, size >> 32, size); + qemu_fdt_setprop_string(fdt, mem_name, "device_type", "memory"); + riscv_socket_fdt_write_id(mc, fdt, mem_name, socket); + g_free(mem_name); + + clint_addr = memmap[VIRT_CLINT].base + + (memmap[VIRT_CLINT].size * socket); + clint_name = g_strdup_printf("/soc/clint@%lx", clint_addr); + qemu_fdt_add_subnode(fdt, clint_name); + qemu_fdt_setprop_string(fdt, clint_name, "compatible", "riscv,clint0"); + qemu_fdt_setprop_cells(fdt, clint_name, "reg", + 0x0, clint_addr, 0x0, memmap[VIRT_CLINT].size); + qemu_fdt_setprop(fdt, clint_name, "interrupts-extended", + clint_cells, s->soc[socket].num_harts * sizeof(uint32_t) * 4); + riscv_socket_fdt_write_id(mc, fdt, clint_name, socket); + g_free(clint_name); + + plic_phandle[socket] = phandle++; + plic_addr = memmap[VIRT_PLIC].base + (memmap[VIRT_PLIC].size * socket); + plic_name = g_strdup_printf("/soc/plic@%lx", plic_addr); + qemu_fdt_add_subnode(fdt, plic_name); + qemu_fdt_setprop_cell(fdt, plic_name, + "#address-cells", FDT_PLIC_ADDR_CELLS); + qemu_fdt_setprop_cell(fdt, plic_name, + "#interrupt-cells", FDT_PLIC_INT_CELLS); + qemu_fdt_setprop_string(fdt, plic_name, "compatible", "riscv,plic0"); + qemu_fdt_setprop(fdt, plic_name, "interrupt-controller", NULL, 0); + qemu_fdt_setprop(fdt, plic_name, "interrupts-extended", + plic_cells, s->soc[socket].num_harts * sizeof(uint32_t) * 4); + qemu_fdt_setprop_cells(fdt, plic_name, "reg", + 0x0, plic_addr, 0x0, memmap[VIRT_PLIC].size); + qemu_fdt_setprop_cell(fdt, plic_name, "riscv,ndev", VIRTIO_NDEV); + riscv_socket_fdt_write_id(mc, fdt, plic_name, socket); + qemu_fdt_setprop_cell(fdt, plic_name, "phandle", plic_phandle[socket]); + g_free(plic_name); + + g_free(clint_cells); + g_free(plic_cells); + g_free(clust_name); } - cells = g_new0(uint32_t, s->soc.num_harts * 4); - for (cpu = 0; cpu < s->soc.num_harts; cpu++) { - nodename = - g_strdup_printf("/cpus/cpu@%d/interrupt-controller", cpu); - uint32_t intc_phandle = qemu_fdt_get_phandle(fdt, nodename); - cells[cpu * 4 + 0] = cpu_to_be32(intc_phandle); - cells[cpu * 4 + 1] = cpu_to_be32(IRQ_M_SOFT); - cells[cpu * 4 + 2] = cpu_to_be32(intc_phandle); - cells[cpu * 4 + 3] = cpu_to_be32(IRQ_M_TIMER); - g_free(nodename); - } - nodename = g_strdup_printf("/soc/clint@%lx", - (long)memmap[VIRT_CLINT].base); - qemu_fdt_add_subnode(fdt, nodename); - qemu_fdt_setprop_string(fdt, nodename, "compatible", "riscv,clint0"); - qemu_fdt_setprop_cells(fdt, nodename, "reg", - 0x0, memmap[VIRT_CLINT].base, - 0x0, memmap[VIRT_CLINT].size); - qemu_fdt_setprop(fdt, nodename, "interrupts-extended", - cells, s->soc.num_harts * sizeof(uint32_t) * 4); - g_free(cells); - g_free(nodename); - - plic_phandle = phandle++; - cells = g_new0(uint32_t, s->soc.num_harts * 4); - for (cpu = 0; cpu < s->soc.num_harts; cpu++) { - nodename = - g_strdup_printf("/cpus/cpu@%d/interrupt-controller", cpu); - uint32_t intc_phandle = qemu_fdt_get_phandle(fdt, nodename); - cells[cpu * 4 + 0] = cpu_to_be32(intc_phandle); - cells[cpu * 4 + 1] = cpu_to_be32(IRQ_M_EXT); - cells[cpu * 4 + 2] = cpu_to_be32(intc_phandle); - cells[cpu * 4 + 3] = cpu_to_be32(IRQ_S_EXT); - g_free(nodename); + for (socket = 0; socket < riscv_socket_count(mc); socket++) { + if (socket == 0) { + plic_mmio_phandle = plic_phandle[socket]; + plic_virtio_phandle = plic_phandle[socket]; + plic_pcie_phandle = plic_phandle[socket]; + } + if (socket == 1) { + plic_virtio_phandle = plic_phandle[socket]; + plic_pcie_phandle = plic_phandle[socket]; + } + if (socket == 2) { + plic_pcie_phandle = plic_phandle[socket]; + } } - nodename = g_strdup_printf("/soc/interrupt-controller@%lx", - (long)memmap[VIRT_PLIC].base); - qemu_fdt_add_subnode(fdt, nodename); - qemu_fdt_setprop_cell(fdt, nodename, "#address-cells", - FDT_PLIC_ADDR_CELLS); - qemu_fdt_setprop_cell(fdt, nodename, "#interrupt-cells", - FDT_PLIC_INT_CELLS); - qemu_fdt_setprop_string(fdt, nodename, "compatible", "riscv,plic0"); - qemu_fdt_setprop(fdt, nodename, "interrupt-controller", NULL, 0); - qemu_fdt_setprop(fdt, nodename, "interrupts-extended", - cells, s->soc.num_harts * sizeof(uint32_t) * 4); - qemu_fdt_setprop_cells(fdt, nodename, "reg", - 0x0, memmap[VIRT_PLIC].base, - 0x0, memmap[VIRT_PLIC].size); - qemu_fdt_setprop_cell(fdt, nodename, "riscv,ndev", VIRTIO_NDEV); - qemu_fdt_setprop_cell(fdt, nodename, "phandle", plic_phandle); - plic_phandle = qemu_fdt_get_phandle(fdt, nodename); - g_free(cells); - g_free(nodename); + + riscv_socket_fdt_write_distance_matrix(mc, fdt); for (i = 0; i < VIRTIO_COUNT; i++) { - nodename = g_strdup_printf("/virtio_mmio@%lx", + name = g_strdup_printf("/soc/virtio_mmio@%lx", (long)(memmap[VIRT_VIRTIO].base + i * memmap[VIRT_VIRTIO].size)); - qemu_fdt_add_subnode(fdt, nodename); - qemu_fdt_setprop_string(fdt, nodename, "compatible", "virtio,mmio"); - qemu_fdt_setprop_cells(fdt, nodename, "reg", + qemu_fdt_add_subnode(fdt, name); + qemu_fdt_setprop_string(fdt, name, "compatible", "virtio,mmio"); + qemu_fdt_setprop_cells(fdt, name, "reg", 0x0, memmap[VIRT_VIRTIO].base + i * memmap[VIRT_VIRTIO].size, 0x0, memmap[VIRT_VIRTIO].size); - qemu_fdt_setprop_cell(fdt, nodename, "interrupt-parent", plic_phandle); - qemu_fdt_setprop_cell(fdt, nodename, "interrupts", VIRTIO_IRQ + i); - g_free(nodename); + qemu_fdt_setprop_cell(fdt, name, "interrupt-parent", + plic_virtio_phandle); + qemu_fdt_setprop_cell(fdt, name, "interrupts", VIRTIO_IRQ + i); + g_free(name); } - nodename = g_strdup_printf("/soc/pci@%lx", + name = g_strdup_printf("/soc/pci@%lx", (long) memmap[VIRT_PCIE_ECAM].base); - qemu_fdt_add_subnode(fdt, nodename); - qemu_fdt_setprop_cell(fdt, nodename, "#address-cells", - FDT_PCI_ADDR_CELLS); - qemu_fdt_setprop_cell(fdt, nodename, "#interrupt-cells", - FDT_PCI_INT_CELLS); - qemu_fdt_setprop_cell(fdt, nodename, "#size-cells", 0x2); - qemu_fdt_setprop_string(fdt, nodename, "compatible", - "pci-host-ecam-generic"); - qemu_fdt_setprop_string(fdt, nodename, "device_type", "pci"); - qemu_fdt_setprop_cell(fdt, nodename, "linux,pci-domain", 0); - qemu_fdt_setprop_cells(fdt, nodename, "bus-range", 0, - memmap[VIRT_PCIE_ECAM].size / - PCIE_MMCFG_SIZE_MIN - 1); - qemu_fdt_setprop(fdt, nodename, "dma-coherent", NULL, 0); - qemu_fdt_setprop_cells(fdt, nodename, "reg", 0, memmap[VIRT_PCIE_ECAM].base, - 0, memmap[VIRT_PCIE_ECAM].size); - qemu_fdt_setprop_sized_cells(fdt, nodename, "ranges", + qemu_fdt_add_subnode(fdt, name); + qemu_fdt_setprop_cell(fdt, name, "#address-cells", FDT_PCI_ADDR_CELLS); + qemu_fdt_setprop_cell(fdt, name, "#interrupt-cells", FDT_PCI_INT_CELLS); + qemu_fdt_setprop_cell(fdt, name, "#size-cells", 0x2); + qemu_fdt_setprop_string(fdt, name, "compatible", "pci-host-ecam-generic"); + qemu_fdt_setprop_string(fdt, name, "device_type", "pci"); + qemu_fdt_setprop_cell(fdt, name, "linux,pci-domain", 0); + qemu_fdt_setprop_cells(fdt, name, "bus-range", 0, + memmap[VIRT_PCIE_ECAM].size / PCIE_MMCFG_SIZE_MIN - 1); + qemu_fdt_setprop(fdt, name, "dma-coherent", NULL, 0); + qemu_fdt_setprop_cells(fdt, name, "reg", 0, + memmap[VIRT_PCIE_ECAM].base, 0, memmap[VIRT_PCIE_ECAM].size); + qemu_fdt_setprop_sized_cells(fdt, name, "ranges", 1, FDT_PCI_RANGE_IOPORT, 2, 0, 2, memmap[VIRT_PCIE_PIO].base, 2, memmap[VIRT_PCIE_PIO].size, 1, FDT_PCI_RANGE_MMIO, 2, memmap[VIRT_PCIE_MMIO].base, 2, memmap[VIRT_PCIE_MMIO].base, 2, memmap[VIRT_PCIE_MMIO].size); - create_pcie_irq_map(fdt, nodename, plic_phandle); - g_free(nodename); + create_pcie_irq_map(fdt, name, plic_pcie_phandle); + g_free(name); test_phandle = phandle++; - nodename = g_strdup_printf("/test@%lx", + name = g_strdup_printf("/soc/test@%lx", (long)memmap[VIRT_TEST].base); - qemu_fdt_add_subnode(fdt, nodename); + qemu_fdt_add_subnode(fdt, name); { const char compat[] = "sifive,test1\0sifive,test0\0syscon"; - qemu_fdt_setprop(fdt, nodename, "compatible", compat, sizeof(compat)); + qemu_fdt_setprop(fdt, name, "compatible", compat, sizeof(compat)); } - qemu_fdt_setprop_cells(fdt, nodename, "reg", + qemu_fdt_setprop_cells(fdt, name, "reg", 0x0, memmap[VIRT_TEST].base, 0x0, memmap[VIRT_TEST].size); - qemu_fdt_setprop_cell(fdt, nodename, "phandle", test_phandle); - test_phandle = qemu_fdt_get_phandle(fdt, nodename); - g_free(nodename); - - nodename = g_strdup_printf("/reboot"); - qemu_fdt_add_subnode(fdt, nodename); - qemu_fdt_setprop_string(fdt, nodename, "compatible", "syscon-reboot"); - qemu_fdt_setprop_cell(fdt, nodename, "regmap", test_phandle); - qemu_fdt_setprop_cell(fdt, nodename, "offset", 0x0); - qemu_fdt_setprop_cell(fdt, nodename, "value", FINISHER_RESET); - g_free(nodename); - - nodename = g_strdup_printf("/poweroff"); - qemu_fdt_add_subnode(fdt, nodename); - qemu_fdt_setprop_string(fdt, nodename, "compatible", "syscon-poweroff"); - qemu_fdt_setprop_cell(fdt, nodename, "regmap", test_phandle); - qemu_fdt_setprop_cell(fdt, nodename, "offset", 0x0); - qemu_fdt_setprop_cell(fdt, nodename, "value", FINISHER_PASS); - g_free(nodename); - - nodename = g_strdup_printf("/uart@%lx", - (long)memmap[VIRT_UART0].base); - qemu_fdt_add_subnode(fdt, nodename); - qemu_fdt_setprop_string(fdt, nodename, "compatible", "ns16550a"); - qemu_fdt_setprop_cells(fdt, nodename, "reg", + qemu_fdt_setprop_cell(fdt, name, "phandle", test_phandle); + test_phandle = qemu_fdt_get_phandle(fdt, name); + g_free(name); + + name = g_strdup_printf("/soc/reboot"); + qemu_fdt_add_subnode(fdt, name); + qemu_fdt_setprop_string(fdt, name, "compatible", "syscon-reboot"); + qemu_fdt_setprop_cell(fdt, name, "regmap", test_phandle); + qemu_fdt_setprop_cell(fdt, name, "offset", 0x0); + qemu_fdt_setprop_cell(fdt, name, "value", FINISHER_RESET); + g_free(name); + + name = g_strdup_printf("/soc/poweroff"); + qemu_fdt_add_subnode(fdt, name); + qemu_fdt_setprop_string(fdt, name, "compatible", "syscon-poweroff"); + qemu_fdt_setprop_cell(fdt, name, "regmap", test_phandle); + qemu_fdt_setprop_cell(fdt, name, "offset", 0x0); + qemu_fdt_setprop_cell(fdt, name, "value", FINISHER_PASS); + g_free(name); + + name = g_strdup_printf("/soc/uart@%lx", (long)memmap[VIRT_UART0].base); + qemu_fdt_add_subnode(fdt, name); + qemu_fdt_setprop_string(fdt, name, "compatible", "ns16550a"); + qemu_fdt_setprop_cells(fdt, name, "reg", 0x0, memmap[VIRT_UART0].base, 0x0, memmap[VIRT_UART0].size); - qemu_fdt_setprop_cell(fdt, nodename, "clock-frequency", 3686400); - qemu_fdt_setprop_cell(fdt, nodename, "interrupt-parent", plic_phandle); - qemu_fdt_setprop_cell(fdt, nodename, "interrupts", UART0_IRQ); + qemu_fdt_setprop_cell(fdt, name, "clock-frequency", 3686400); + qemu_fdt_setprop_cell(fdt, name, "interrupt-parent", plic_mmio_phandle); + qemu_fdt_setprop_cell(fdt, name, "interrupts", UART0_IRQ); qemu_fdt_add_subnode(fdt, "/chosen"); - qemu_fdt_setprop_string(fdt, "/chosen", "stdout-path", nodename); + qemu_fdt_setprop_string(fdt, "/chosen", "stdout-path", name); if (cmdline) { qemu_fdt_setprop_string(fdt, "/chosen", "bootargs", cmdline); } - g_free(nodename); - - nodename = g_strdup_printf("/rtc@%lx", - (long)memmap[VIRT_RTC].base); - qemu_fdt_add_subnode(fdt, nodename); - qemu_fdt_setprop_string(fdt, nodename, "compatible", - "google,goldfish-rtc"); - qemu_fdt_setprop_cells(fdt, nodename, "reg", + g_free(name); + + name = g_strdup_printf("/soc/rtc@%lx", (long)memmap[VIRT_RTC].base); + qemu_fdt_add_subnode(fdt, name); + qemu_fdt_setprop_string(fdt, name, "compatible", "google,goldfish-rtc"); + qemu_fdt_setprop_cells(fdt, name, "reg", 0x0, memmap[VIRT_RTC].base, 0x0, memmap[VIRT_RTC].size); - qemu_fdt_setprop_cell(fdt, nodename, "interrupt-parent", plic_phandle); - qemu_fdt_setprop_cell(fdt, nodename, "interrupts", RTC_IRQ); - g_free(nodename); - - nodename = g_strdup_printf("/flash@%" PRIx64, flashbase); - qemu_fdt_add_subnode(s->fdt, nodename); - qemu_fdt_setprop_string(s->fdt, nodename, "compatible", "cfi-flash"); - qemu_fdt_setprop_sized_cells(s->fdt, nodename, "reg", + qemu_fdt_setprop_cell(fdt, name, "interrupt-parent", plic_mmio_phandle); + qemu_fdt_setprop_cell(fdt, name, "interrupts", RTC_IRQ); + g_free(name); + + name = g_strdup_printf("/soc/flash@%" PRIx64, flashbase); + qemu_fdt_add_subnode(s->fdt, name); + qemu_fdt_setprop_string(s->fdt, name, "compatible", "cfi-flash"); + qemu_fdt_setprop_sized_cells(s->fdt, name, "reg", 2, flashbase, 2, flashsize, 2, flashbase + flashsize, 2, flashsize); - qemu_fdt_setprop_cell(s->fdt, nodename, "bank-width", 4); - g_free(nodename); + qemu_fdt_setprop_cell(s->fdt, name, "bank-width", 4); + g_free(name); } - static inline DeviceState *gpex_pcie_init(MemoryRegion *sys_mem, hwaddr ecam_base, hwaddr ecam_size, hwaddr mmio_base, hwaddr mmio_size, @@ -478,21 +493,100 @@ static void riscv_virt_board_init(MachineState *machine) MemoryRegion *system_memory = get_system_memory(); MemoryRegion *main_mem = g_new(MemoryRegion, 1); MemoryRegion *mask_rom = g_new(MemoryRegion, 1); - char *plic_hart_config; + char *plic_hart_config, *soc_name; size_t plic_hart_config_len; target_ulong start_addr = memmap[VIRT_DRAM].base; - int i; - unsigned int smp_cpus = machine->smp.cpus; - - /* Initialize SOC */ - object_initialize_child(OBJECT(machine), "soc", &s->soc, sizeof(s->soc), - TYPE_RISCV_HART_ARRAY, &error_abort, NULL); - object_property_set_str(OBJECT(&s->soc), machine->cpu_type, "cpu-type", - &error_abort); - object_property_set_int(OBJECT(&s->soc), smp_cpus, "num-harts", - &error_abort); - object_property_set_bool(OBJECT(&s->soc), true, "realized", - &error_abort); + DeviceState *mmio_plic, *virtio_plic, *pcie_plic; + int i, j, base_hartid, hart_count; + + /* Check socket count limit */ + if (VIRT_SOCKETS_MAX < riscv_socket_count(machine)) { + error_report("number of sockets/nodes should be less than %d", + VIRT_SOCKETS_MAX); + exit(1); + } + + /* Initialize sockets */ + mmio_plic = virtio_plic = pcie_plic = NULL; + for (i = 0; i < riscv_socket_count(machine); i++) { + if (!riscv_socket_check_hartids(machine, i)) { + error_report("discontinuous hartids in socket%d", i); + exit(1); + } + + base_hartid = riscv_socket_first_hartid(machine, i); + if (base_hartid < 0) { + error_report("can't find hartid base for socket%d", i); + exit(1); + } + + hart_count = riscv_socket_hart_count(machine, i); + if (hart_count < 0) { + error_report("can't find hart count for socket%d", i); + exit(1); + } + + soc_name = g_strdup_printf("soc%d", i); + object_initialize_child(OBJECT(machine), soc_name, &s->soc[i], + sizeof(s->soc[i]), TYPE_RISCV_HART_ARRAY, &error_abort, NULL); + g_free(soc_name); + object_property_set_str(OBJECT(&s->soc[i]), + machine->cpu_type, "cpu-type", &error_abort); + object_property_set_int(OBJECT(&s->soc[i]), + base_hartid, "hartid-base", &error_abort); + object_property_set_int(OBJECT(&s->soc[i]), + hart_count, "num-harts", &error_abort); + object_property_set_bool(OBJECT(&s->soc[i]), + true, "realized", &error_abort); + + /* Per-socket CLINT */ + sifive_clint_create( + memmap[VIRT_CLINT].base + i * memmap[VIRT_CLINT].size, + memmap[VIRT_CLINT].size, base_hartid, hart_count, + SIFIVE_SIP_BASE, SIFIVE_TIMECMP_BASE, SIFIVE_TIME_BASE, true); + + /* Per-socket PLIC hart topology configuration string */ + plic_hart_config_len = + (strlen(VIRT_PLIC_HART_CONFIG) + 1) * hart_count; + plic_hart_config = g_malloc0(plic_hart_config_len); + for (j = 0; j < hart_count; j++) { + if (j != 0) { + strncat(plic_hart_config, ",", plic_hart_config_len); + } + strncat(plic_hart_config, VIRT_PLIC_HART_CONFIG, + plic_hart_config_len); + plic_hart_config_len -= (strlen(VIRT_PLIC_HART_CONFIG) + 1); + } + + /* Per-socket PLIC */ + s->plic[i] = sifive_plic_create( + memmap[VIRT_PLIC].base + i * memmap[VIRT_PLIC].size, + plic_hart_config, base_hartid, + VIRT_PLIC_NUM_SOURCES, + VIRT_PLIC_NUM_PRIORITIES, + VIRT_PLIC_PRIORITY_BASE, + VIRT_PLIC_PENDING_BASE, + VIRT_PLIC_ENABLE_BASE, + VIRT_PLIC_ENABLE_STRIDE, + VIRT_PLIC_CONTEXT_BASE, + VIRT_PLIC_CONTEXT_STRIDE, + memmap[VIRT_PLIC].size); + g_free(plic_hart_config); + + /* Try to use different PLIC instance based device type */ + if (i == 0) { + mmio_plic = s->plic[i]; + virtio_plic = s->plic[i]; + pcie_plic = s->plic[i]; + } + if (i == 1) { + virtio_plic = s->plic[i]; + pcie_plic = s->plic[i]; + } + if (i == 2) { + pcie_plic = s->plic[i]; + } + } /* register system main memory (actual RAM) */ memory_region_init_ram(main_mem, NULL, "riscv_virt_board.ram", @@ -571,38 +665,14 @@ static void riscv_virt_board_init(MachineState *machine) memmap[VIRT_MROM].base + sizeof(reset_vec), &address_space_memory); - /* create PLIC hart topology configuration string */ - plic_hart_config_len = (strlen(VIRT_PLIC_HART_CONFIG) + 1) * smp_cpus; - plic_hart_config = g_malloc0(plic_hart_config_len); - for (i = 0; i < smp_cpus; i++) { - if (i != 0) { - strncat(plic_hart_config, ",", plic_hart_config_len); - } - strncat(plic_hart_config, VIRT_PLIC_HART_CONFIG, plic_hart_config_len); - plic_hart_config_len -= (strlen(VIRT_PLIC_HART_CONFIG) + 1); - } - - /* MMIO */ - s->plic = sifive_plic_create(memmap[VIRT_PLIC].base, - plic_hart_config, 0, - VIRT_PLIC_NUM_SOURCES, - VIRT_PLIC_NUM_PRIORITIES, - VIRT_PLIC_PRIORITY_BASE, - VIRT_PLIC_PENDING_BASE, - VIRT_PLIC_ENABLE_BASE, - VIRT_PLIC_ENABLE_STRIDE, - VIRT_PLIC_CONTEXT_BASE, - VIRT_PLIC_CONTEXT_STRIDE, - memmap[VIRT_PLIC].size); - sifive_clint_create(memmap[VIRT_CLINT].base, - memmap[VIRT_CLINT].size, 0, smp_cpus, - SIFIVE_SIP_BASE, SIFIVE_TIMECMP_BASE, SIFIVE_TIME_BASE, true); + /* SiFive Test MMIO device */ sifive_test_create(memmap[VIRT_TEST].base); + /* VirtIO MMIO devices */ for (i = 0; i < VIRTIO_COUNT; i++) { sysbus_create_simple("virtio-mmio", memmap[VIRT_VIRTIO].base + i * memmap[VIRT_VIRTIO].size, - qdev_get_gpio_in(DEVICE(s->plic), VIRTIO_IRQ + i)); + qdev_get_gpio_in(DEVICE(virtio_plic), VIRTIO_IRQ + i)); } gpex_pcie_init(system_memory, @@ -611,14 +681,14 @@ static void riscv_virt_board_init(MachineState *machine) memmap[VIRT_PCIE_MMIO].base, memmap[VIRT_PCIE_MMIO].size, memmap[VIRT_PCIE_PIO].base, - DEVICE(s->plic), true); + DEVICE(pcie_plic), true); serial_mm_init(system_memory, memmap[VIRT_UART0].base, - 0, qdev_get_gpio_in(DEVICE(s->plic), UART0_IRQ), 399193, + 0, qdev_get_gpio_in(DEVICE(mmio_plic), UART0_IRQ), 399193, serial_hd(0), DEVICE_LITTLE_ENDIAN); sysbus_create_simple("goldfish_rtc", memmap[VIRT_RTC].base, - qdev_get_gpio_in(DEVICE(s->plic), RTC_IRQ)); + qdev_get_gpio_in(DEVICE(mmio_plic), RTC_IRQ)); virt_flash_create(s); @@ -628,8 +698,6 @@ static void riscv_virt_board_init(MachineState *machine) drive_get(IF_PFLASH, 0, i)); } virt_flash_map(s, system_memory); - - g_free(plic_hart_config); } static void riscv_virt_machine_instance_init(Object *obj) @@ -642,9 +710,13 @@ static void riscv_virt_machine_class_init(ObjectClass *oc, void *data) mc->desc = "RISC-V VirtIO board"; mc->init = riscv_virt_board_init; - mc->max_cpus = 8; + mc->max_cpus = VIRT_CPUS_MAX; mc->default_cpu_type = VIRT_CPU; mc->pci_allow_0_address = true; + mc->possible_cpu_arch_ids = riscv_numa_possible_cpu_arch_ids; + mc->cpu_index_to_instance_props = riscv_numa_cpu_index_to_props; + mc->get_default_cpu_node_id = riscv_numa_get_default_cpu_node_id; + mc->numa_mem_supported = true; } static const TypeInfo riscv_virt_machine_typeinfo = { diff --git a/include/hw/riscv/virt.h b/include/hw/riscv/virt.h index e69355efaf..1beacd7666 100644 --- a/include/hw/riscv/virt.h +++ b/include/hw/riscv/virt.h @@ -23,6 +23,9 @@ #include "hw/sysbus.h" #include "hw/block/flash.h" +#define VIRT_CPUS_MAX 8 +#define VIRT_SOCKETS_MAX 8 + #define TYPE_RISCV_VIRT_MACHINE MACHINE_TYPE_NAME("virt") #define RISCV_VIRT_MACHINE(obj) \ OBJECT_CHECK(RISCVVirtState, (obj), TYPE_RISCV_VIRT_MACHINE) @@ -32,8 +35,8 @@ typedef struct { MachineState parent; /*< public >*/ - RISCVHartArrayState soc; - DeviceState *plic; + RISCVHartArrayState soc[VIRT_SOCKETS_MAX]; + DeviceState *plic[VIRT_SOCKETS_MAX]; PFlashCFI01 *flash[2]; void *fdt; @@ -74,6 +77,8 @@ enum { #define VIRT_PLIC_ENABLE_STRIDE 0x80 #define VIRT_PLIC_CONTEXT_BASE 0x200000 #define VIRT_PLIC_CONTEXT_STRIDE 0x1000 +#define VIRT_PLIC_SIZE(__num_context) \ + (VIRT_PLIC_CONTEXT_BASE + (__num_context) * VIRT_PLIC_CONTEXT_STRIDE) #define FDT_PCI_ADDR_CELLS 3 #define FDT_PCI_INT_CELLS 1