diff options
| -rw-r--r-- | Makefile.target | 1 | ||||
| -rw-r--r-- | hw/spapr.c | 36 | ||||
| -rw-r--r-- | hw/spapr.h | 2 | ||||
| -rw-r--r-- | hw/spapr_pci.c | 508 | ||||
| -rw-r--r-- | hw/spapr_pci.h | 61 |
5 files changed, 604 insertions, 4 deletions
diff --git a/Makefile.target b/Makefile.target index fe5f6f70af..2329df50a5 100644 --- a/Makefile.target +++ b/Makefile.target @@ -248,6 +248,7 @@ obj-ppc-y += ppc_newworld.o # IBM pSeries (sPAPR) obj-ppc-$(CONFIG_PSERIES) += spapr.o spapr_hcall.o spapr_rtas.o spapr_vio.o obj-ppc-$(CONFIG_PSERIES) += xics.o spapr_vty.o spapr_llan.o spapr_vscsi.o +obj-ppc-$(CONFIG_PSERIES) += spapr_pci.o device-hotplug.o pci-hotplug.o # PowerPC 4xx boards obj-ppc-y += ppc4xx_devs.o ppc4xx_pci.o ppc405_uc.o ppc405_boards.o obj-ppc-y += ppc440.o ppc440_bamboo.o diff --git a/hw/spapr.c b/hw/spapr.c index 933af322c5..bdaa938b6b 100644 --- a/hw/spapr.c +++ b/hw/spapr.c @@ -39,10 +39,12 @@ #include "hw/spapr.h" #include "hw/spapr_vio.h" +#include "hw/spapr_pci.h" #include "hw/xics.h" #include "kvm.h" #include "kvm_ppc.h" +#include "pci.h" #include "exec-memory.h" @@ -62,6 +64,11 @@ #define MAX_CPUS 256 #define XICS_IRQS 1024 +#define SPAPR_PCI_BUID 0x800000020000001ULL +#define SPAPR_PCI_MEM_WIN_ADDR (0x10000000000ULL + 0xA0000000) +#define SPAPR_PCI_MEM_WIN_SIZE 0x20000000 +#define SPAPR_PCI_IO_WIN_ADDR (0x10000000000ULL + 0x80000000) + #define PHANDLE_XICP 0x00001111 sPAPREnvironment *spapr; @@ -146,6 +153,14 @@ static void *spapr_create_fdt_skel(const char *cpu_model, &end_prop, sizeof(end_prop)))); _FDT((fdt_property_string(fdt, "qemu,boot-device", boot_device))); + /* + * Because we don't always invoke any firmware, we can't rely on + * that to do BAR allocation. Long term, we should probably do + * that ourselves, but for now, this setting (plus advertising the + * current BARs as 0) causes sufficiently recent kernels to to the + * BAR assignment themselves */ + _FDT((fdt_property_cell(fdt, "linux,pci-probe-only", 0))); + _FDT((fdt_end_node(fdt))); /* memory node(s) */ @@ -308,6 +323,7 @@ static void spapr_finalize_fdt(sPAPREnvironment *spapr, { int ret; void *fdt; + sPAPRPHBState *phb; fdt = g_malloc(FDT_MAX_SIZE); @@ -320,6 +336,15 @@ static void spapr_finalize_fdt(sPAPREnvironment *spapr, exit(1); } + QLIST_FOREACH(phb, &spapr->phbs, list) { + ret = spapr_populate_pci_devices(phb, PHANDLE_XICP, fdt); + } + + if (ret < 0) { + fprintf(stderr, "couldn't setup PCI devices in fdt\n"); + exit(1); + } + /* RTAS */ ret = spapr_rtas_device_tree_setup(fdt, rtas_addr, rtas_size); if (ret < 0) { @@ -478,6 +503,12 @@ static void ppc_spapr_init(ram_addr_t ram_size, } } + /* Set up PCI */ + spapr_create_phb(spapr, "pci", SPAPR_PCI_BUID, + SPAPR_PCI_MEM_WIN_ADDR, + SPAPR_PCI_MEM_WIN_SIZE, + SPAPR_PCI_IO_WIN_ADDR); + for (i = 0; i < nb_nics; i++) { NICInfo *nd = &nd_table[i]; @@ -488,10 +519,7 @@ static void ppc_spapr_init(ram_addr_t ram_size, if (strcmp(nd->model, "ibmveth") == 0) { spapr_vlan_create(spapr->vio_bus, 0x1000 + i, nd); } else { - fprintf(stderr, "pSeries (sPAPR) platform does not support " - "NIC model '%s' (only ibmveth is supported)\n", - nd->model); - exit(1); + pci_nic_init_nofail(&nd_table[i], nd->model, NULL); } } diff --git a/hw/spapr.h b/hw/spapr.h index 6657c336f6..df88f6abad 100644 --- a/hw/spapr.h +++ b/hw/spapr.h @@ -4,10 +4,12 @@ #include "hw/xics.h" struct VIOsPAPRBus; +struct sPAPRPHBState; struct icp_state; typedef struct sPAPREnvironment { struct VIOsPAPRBus *vio_bus; + QLIST_HEAD(, sPAPRPHBState) phbs; struct icp_state *icp; target_phys_addr_t ram_limit; diff --git a/hw/spapr_pci.c b/hw/spapr_pci.c new file mode 100644 index 0000000000..2a5e6374c3 --- /dev/null +++ b/hw/spapr_pci.c @@ -0,0 +1,508 @@ +/* + * QEMU sPAPR PCI host originated from Uninorth PCI host + * + * Copyright (c) 2011 Alexey Kardashevskiy, IBM Corporation. + * Copyright (C) 2011 David Gibson, IBM Corporation. + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN + * THE SOFTWARE. + */ +#include "hw.h" +#include "pci.h" +#include "pci_host.h" +#include "hw/spapr.h" +#include "hw/spapr_pci.h" +#include "exec-memory.h" +#include <libfdt.h> + +#include "hw/pci_internals.h" + +static const uint32_t bars[] = { + PCI_BASE_ADDRESS_0, PCI_BASE_ADDRESS_1, + PCI_BASE_ADDRESS_2, PCI_BASE_ADDRESS_3, + PCI_BASE_ADDRESS_4, PCI_BASE_ADDRESS_5 + /*, PCI_ROM_ADDRESS*/ +}; + +static PCIDevice *find_dev(sPAPREnvironment *spapr, + uint64_t buid, uint32_t config_addr) +{ + DeviceState *qdev; + int devfn = (config_addr >> 8) & 0xFF; + sPAPRPHBState *phb; + + QLIST_FOREACH(phb, &spapr->phbs, list) { + if (phb->buid != buid) { + continue; + } + + QLIST_FOREACH(qdev, &phb->host_state.bus->qbus.children, sibling) { + PCIDevice *dev = (PCIDevice *)qdev; + if (dev->devfn == devfn) { + return dev; + } + } + } + + return NULL; +} + +static void rtas_ibm_read_pci_config(sPAPREnvironment *spapr, + uint32_t token, uint32_t nargs, + target_ulong args, + uint32_t nret, target_ulong rets) +{ + uint32_t val, size, addr; + uint64_t buid = ((uint64_t)rtas_ld(args, 1) << 32) | rtas_ld(args, 2); + PCIDevice *dev = find_dev(spapr, buid, rtas_ld(args, 0)); + + if (!dev) { + rtas_st(rets, 0, -1); + return; + } + size = rtas_ld(args, 3); + addr = rtas_ld(args, 0) & 0xFF; + val = pci_default_read_config(dev, addr, size); + rtas_st(rets, 0, 0); + rtas_st(rets, 1, val); +} + +static void rtas_read_pci_config(sPAPREnvironment *spapr, + uint32_t token, uint32_t nargs, + target_ulong args, + uint32_t nret, target_ulong rets) +{ + uint32_t val, size, addr; + PCIDevice *dev = find_dev(spapr, 0, rtas_ld(args, 0)); + + if (!dev) { + rtas_st(rets, 0, -1); + return; + } + size = rtas_ld(args, 1); + addr = rtas_ld(args, 0) & 0xFF; + val = pci_default_read_config(dev, addr, size); + rtas_st(rets, 0, 0); + rtas_st(rets, 1, val); +} + +static void rtas_ibm_write_pci_config(sPAPREnvironment *spapr, + uint32_t token, uint32_t nargs, + target_ulong args, + uint32_t nret, target_ulong rets) +{ + uint32_t val, size, addr; + uint64_t buid = ((uint64_t)rtas_ld(args, 1) << 32) | rtas_ld(args, 2); + PCIDevice *dev = find_dev(spapr, buid, rtas_ld(args, 0)); + + if (!dev) { + rtas_st(rets, 0, -1); + return; + } + val = rtas_ld(args, 4); + size = rtas_ld(args, 3); + addr = rtas_ld(args, 0) & 0xFF; + pci_default_write_config(dev, addr, val, size); + rtas_st(rets, 0, 0); +} + +static void rtas_write_pci_config(sPAPREnvironment *spapr, + uint32_t token, uint32_t nargs, + target_ulong args, + uint32_t nret, target_ulong rets) +{ + uint32_t val, size, addr; + PCIDevice *dev = find_dev(spapr, 0, rtas_ld(args, 0)); + + if (!dev) { + rtas_st(rets, 0, -1); + return; + } + val = rtas_ld(args, 2); + size = rtas_ld(args, 1); + addr = rtas_ld(args, 0) & 0xFF; + pci_default_write_config(dev, addr, val, size); + rtas_st(rets, 0, 0); +} + +static int pci_spapr_map_irq(PCIDevice *pci_dev, int irq_num) +{ + /* + * Here we need to convert pci_dev + irq_num to some unique value + * which is less than number of IRQs on the specific bus (now it + * is 16). At the moment irq_num == device_id (number of the + * slot?) + * FIXME: we should swizzle in fn and irq_num + */ + return (pci_dev->devfn >> 3) % SPAPR_PCI_NUM_LSI; +} + +static void pci_spapr_set_irq(void *opaque, int irq_num, int level) +{ + /* + * Here we use the number returned by pci_spapr_map_irq to find a + * corresponding qemu_irq. + */ + sPAPRPHBState *phb = opaque; + + qemu_set_irq(phb->lsi_table[irq_num].qirq, level); +} + +static int spapr_phb_init(SysBusDevice *s) +{ + sPAPRPHBState *phb = FROM_SYSBUS(sPAPRPHBState, s); + int i; + + /* Initialize the LSI table */ + for (i = 0; i < SPAPR_PCI_NUM_LSI; i++) { + qemu_irq qirq; + uint32_t num; + + qirq = spapr_allocate_irq(0, &num); + if (!qirq) { + return -1; + } + + phb->lsi_table[i].dt_irq = num; + phb->lsi_table[i].qirq = qirq; + } + + return 0; +} + +static int spapr_main_pci_host_init(PCIDevice *d) +{ + return 0; +} + +static PCIDeviceInfo spapr_main_pci_host_info = { + .qdev.name = "spapr-pci-host-bridge", + .qdev.size = sizeof(PCIDevice), + .init = spapr_main_pci_host_init, +}; + +static void spapr_register_devices(void) +{ + sysbus_register_dev("spapr-pci-host-bridge", sizeof(sPAPRPHBState), + spapr_phb_init); + pci_qdev_register(&spapr_main_pci_host_info); +} + +device_init(spapr_register_devices) + +static uint64_t spapr_io_read(void *opaque, target_phys_addr_t addr, + unsigned size) +{ + switch (size) { + case 1: + return cpu_inb(addr); + case 2: + return cpu_inw(addr); + case 4: + return cpu_inl(addr); + } + assert(0); +} + +static void spapr_io_write(void *opaque, target_phys_addr_t addr, + uint64_t data, unsigned size) +{ + switch (size) { + case 1: + cpu_outb(addr, data); + return; + case 2: + cpu_outw(addr, data); + return; + case 4: + cpu_outl(addr, data); + return; + } + assert(0); +} + +static MemoryRegionOps spapr_io_ops = { + .endianness = DEVICE_LITTLE_ENDIAN, + .read = spapr_io_read, + .write = spapr_io_write +}; + +void spapr_create_phb(sPAPREnvironment *spapr, + const char *busname, uint64_t buid, + uint64_t mem_win_addr, uint64_t mem_win_size, + uint64_t io_win_addr) +{ + DeviceState *dev; + SysBusDevice *s; + sPAPRPHBState *phb; + PCIBus *bus; + char namebuf[strlen(busname)+11]; + + dev = qdev_create(NULL, "spapr-pci-host-bridge"); + qdev_init_nofail(dev); + s = sysbus_from_qdev(dev); + phb = FROM_SYSBUS(sPAPRPHBState, s); + + phb->mem_win_addr = mem_win_addr; + + sprintf(namebuf, "%s-mem", busname); + memory_region_init(&phb->memspace, namebuf, INT64_MAX); + + sprintf(namebuf, "%s-memwindow", busname); + memory_region_init_alias(&phb->memwindow, namebuf, &phb->memspace, + SPAPR_PCI_MEM_WIN_BUS_OFFSET, mem_win_size); + memory_region_add_subregion(get_system_memory(), mem_win_addr, + &phb->memwindow); + + phb->io_win_addr = io_win_addr; + + /* On ppc, we only have MMIO no specific IO space from the CPU + * perspective. In theory we ought to be able to embed the PCI IO + * memory region direction in the system memory space. However, + * if any of the IO BAR subregions use the old_portio mechanism, + * that won't be processed properly unless accessed from the + * system io address space. This hack to bounce things via + * system_io works around the problem until all the users of + * old_portion are updated */ + sprintf(namebuf, "%s-io", busname); + memory_region_init(&phb->iospace, namebuf, SPAPR_PCI_IO_WIN_SIZE); + /* FIXME: fix to support multiple PHBs */ + memory_region_add_subregion(get_system_io(), 0, &phb->iospace); + + sprintf(namebuf, "%s-iowindow", busname); + memory_region_init_io(&phb->iowindow, &spapr_io_ops, phb, + namebuf, SPAPR_PCI_IO_WIN_SIZE); + memory_region_add_subregion(get_system_memory(), io_win_addr, + &phb->iowindow); + + phb->host_state.bus = bus = pci_register_bus(&phb->busdev.qdev, busname, + pci_spapr_set_irq, + pci_spapr_map_irq, + phb, + &phb->memspace, &phb->iospace, + PCI_DEVFN(0, 0), + SPAPR_PCI_NUM_LSI); + + spapr_rtas_register("read-pci-config", rtas_read_pci_config); + spapr_rtas_register("write-pci-config", rtas_write_pci_config); + spapr_rtas_register("ibm,read-pci-config", rtas_ibm_read_pci_config); + spapr_rtas_register("ibm,write-pci-config", rtas_ibm_write_pci_config); + + QLIST_INSERT_HEAD(&spapr->phbs, phb, list); + + /* pci_bus_set_mem_base(bus, mem_va_start - SPAPR_PCI_MEM_BAR_START); */ +} + +/* Macros to operate with address in OF binding to PCI */ +#define b_x(x, p, l) (((x) & ((1<<(l))-1)) << (p)) +#define b_n(x) b_x((x), 31, 1) /* 0 if relocatable */ +#define b_p(x) b_x((x), 30, 1) /* 1 if prefetchable */ +#define b_t(x) b_x((x), 29, 1) /* 1 if the address is aliased */ +#define b_ss(x) b_x((x), 24, 2) /* the space code */ +#define b_bbbbbbbb(x) b_x((x), 16, 8) /* bus number */ +#define b_ddddd(x) b_x((x), 11, 5) /* device number */ +#define b_fff(x) b_x((x), 8, 3) /* function number */ +#define b_rrrrrrrr(x) b_x((x), 0, 8) /* register number */ + +static uint32_t regtype_to_ss(uint8_t type) +{ + if (type & PCI_BASE_ADDRESS_MEM_TYPE_64) { + return 3; + } + if (type == PCI_BASE_ADDRESS_SPACE_IO) { + return 1; + } + return 2; +} + +int spapr_populate_pci_devices(sPAPRPHBState *phb, + uint32_t xics_phandle, + void *fdt) +{ + PCIBus *bus = phb->host_state.bus; + int bus_off, node_off = 0, devid, fn, i, n, devices; + DeviceState *qdev; + char nodename[256]; + struct { + uint32_t hi; + uint64_t addr; + uint64_t size; + } __attribute__((packed)) reg[PCI_NUM_REGIONS + 1], + assigned_addresses[PCI_NUM_REGIONS]; + uint32_t bus_range[] = { cpu_to_be32(0), cpu_to_be32(0xff) }; + struct { + uint32_t hi; + uint64_t child; + uint64_t parent; + uint64_t size; + } __attribute__((packed)) ranges[] = { + { + cpu_to_be32(b_ss(1)), cpu_to_be64(0), + cpu_to_be64(phb->io_win_addr), + cpu_to_be64(memory_region_size(&phb->iospace)), + }, + { + cpu_to_be32(b_ss(2)), cpu_to_be64(SPAPR_PCI_MEM_WIN_BUS_OFFSET), + cpu_to_be64(phb->mem_win_addr), + cpu_to_be64(memory_region_size(&phb->memwindow)), + }, + }; + uint64_t bus_reg[] = { cpu_to_be64(phb->buid), 0 }; + uint32_t interrupt_map_mask[] = { + cpu_to_be32(b_ddddd(-1)|b_fff(-1)), 0x0, 0x0, 0x0}; + uint32_t interrupt_map[bus->nirq][7]; + + /* Start populating the FDT */ + sprintf(nodename, "pci@%" PRIx64, phb->buid); + bus_off = fdt_add_subnode(fdt, 0, nodename); + if (bus_off < 0) { + return bus_off; + } + +#define _FDT(exp) \ + do { \ + int ret = (exp); \ + if (ret < 0) { \ + return ret; \ + } \ + } while (0) + + /* Write PHB properties */ + _FDT(fdt_setprop_string(fdt, bus_off, "device_type", "pci")); + _FDT(fdt_setprop_string(fdt, bus_off, "compatible", "IBM,Logical_PHB")); + _FDT(fdt_setprop_cell(fdt, bus_off, "#address-cells", 0x3)); + _FDT(fdt_setprop_cell(fdt, bus_off, "#size-cells", 0x2)); + _FDT(fdt_setprop_cell(fdt, bus_off, "#interrupt-cells", 0x1)); + _FDT(fdt_setprop(fdt, bus_off, "used-by-rtas", NULL, 0)); + _FDT(fdt_setprop(fdt, bus_off, "bus-range", &bus_range, sizeof(bus_range))); + _FDT(fdt_setprop(fdt, bus_off, "ranges", &ranges, sizeof(ranges))); + _FDT(fdt_setprop(fdt, bus_off, "reg", &bus_reg, sizeof(bus_reg))); + _FDT(fdt_setprop(fdt, bus_off, "interrupt-map-mask", + &interrupt_map_mask, sizeof(interrupt_map_mask))); + + /* Populate PCI devices and allocate IRQs */ + devices = 0; + QLIST_FOREACH(qdev, &bus->qbus.children, sibling) { + PCIDevice *dev = DO_UPCAST(PCIDevice, qdev, qdev); + int irq_index = pci_spapr_map_irq(dev, 0); + uint32_t *irqmap = interrupt_map[devices]; + uint8_t *config = dev->config; + + devid = dev->devfn >> 3; + fn = dev->devfn & 7; + + sprintf(nodename, "pci@%u,%u", devid, fn); + + /* Allocate interrupt from the map */ + if (devid > bus->nirq) { + printf("Unexpected behaviour in spapr_populate_pci_devices," + "wrong devid %u\n", devid); + exit(-1); + } + irqmap[0] = cpu_to_be32(b_ddddd(devid)|b_fff(fn)); + irqmap[1] = 0; + irqmap[2] = 0; + irqmap[3] = 0; + irqmap[4] = cpu_to_be32(xics_phandle); + irqmap[5] = cpu_to_be32(phb->lsi_table[irq_index].dt_irq); + irqmap[6] = cpu_to_be32(0x8); + + /* Add node to FDT */ + node_off = fdt_add_subnode(fdt, bus_off, nodename); + if (node_off < 0) { + return node_off; + } + + _FDT(fdt_setprop_cell(fdt, node_off, "vendor-id", + pci_get_word(&config[PCI_VENDOR_ID]))); + _FDT(fdt_setprop_cell(fdt, node_off, "device-id", + pci_get_word(&config[PCI_DEVICE_ID]))); + _FDT(fdt_setprop_cell(fdt, node_off, "revision-id", + pci_get_byte(&config[PCI_REVISION_ID]))); + _FDT(fdt_setprop_cell(fdt, node_off, "class-code", + pci_get_long(&config[PCI_CLASS_REVISION]) >> 8)); + _FDT(fdt_setprop_cell(fdt, node_off, "subsystem-id", + pci_get_word(&config[PCI_SUBSYSTEM_ID]))); + _FDT(fdt_setprop_cell(fdt, node_off, "subsystem-vendor-id", + pci_get_word(&config[PCI_SUBSYSTEM_VENDOR_ID]))); + + /* Config space region comes first */ + reg[0].hi = cpu_to_be32( + b_n(0) | + b_p(0) | + b_t(0) | + b_ss(0/*config*/) | + b_bbbbbbbb(0) | + b_ddddd(devid) | + b_fff(fn)); + reg[0].addr = 0; + reg[0].size = 0; + + n = 0; + for (i = 0; i < PCI_NUM_REGIONS; ++i) { + if (0 == dev->io_regions[i].size) { + continue; + } + + reg[n+1].hi = cpu_to_be32( + b_n(0) | + b_p(0) | + b_t(0) | + b_ss(regtype_to_ss(dev->io_regions[i].type)) | + b_bbbbbbbb(0) | + b_ddddd(devid) | + b_fff(fn) | + b_rrrrrrrr(bars[i])); + reg[n+1].addr = 0; + reg[n+1].size = cpu_to_be64(dev->io_regions[i].size); + + assigned_addresses[n].hi = cpu_to_be32( + b_n(1) | + b_p(0) | + b_t(0) | + b_ss(regtype_to_ss(dev->io_regions[i].type)) | + b_bbbbbbbb(0) | + b_ddddd(devid) | + b_fff(fn) | + b_rrrrrrrr(bars[i])); + + /* + * Writing zeroes to assigned_addresses causes the guest kernel to + * reassign BARs + */ + assigned_addresses[n].addr = cpu_to_be64(dev->io_regions[i].addr); + assigned_addresses[n].size = reg[n+1].size; + + ++n; + } + _FDT(fdt_setprop(fdt, node_off, "reg", reg, sizeof(reg[0])*(n+1))); + _FDT(fdt_setprop(fdt, node_off, "assigned-addresses", + assigned_addresses, + sizeof(assigned_addresses[0])*(n))); + _FDT(fdt_setprop_cell(fdt, node_off, "interrupts", + pci_get_byte(&config[PCI_INTERRUPT_PIN]))); + + ++devices; + } + + /* Write interrupt map */ + _FDT(fdt_setprop(fdt, bus_off, "interrupt-map", &interrupt_map, + devices * sizeof(interrupt_map[0]))); + + return 0; +} diff --git a/hw/spapr_pci.h b/hw/spapr_pci.h new file mode 100644 index 0000000000..213340c915 --- /dev/null +++ b/hw/spapr_pci.h @@ -0,0 +1,61 @@ +/* + * QEMU SPAPR PCI BUS definitions + * + * Copyright (c) 2011 Alexey Kardashevskiy <aik@au1.ibm.com> + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, see <http://www.gnu.org/licenses/>. + */ +#if !defined(__HW_SPAPR_H__) +#error Please include spapr.h before this file! +#endif + +#if !defined(__HW_SPAPR_PCI_H__) +#define __HW_SPAPR_PCI_H__ + +#include "hw/pci_host.h" +#include "hw/xics.h" + +#define SPAPR_PCI_NUM_LSI 16 + +typedef struct sPAPRPHBState { + SysBusDevice busdev; + PCIHostState host_state; + + uint64_t buid; + + MemoryRegion memspace, iospace; + target_phys_addr_t mem_win_addr, io_win_addr; + MemoryRegion memwindow, iowindow; + + struct { + uint32_t dt_irq; + qemu_irq qirq; + } lsi_table[SPAPR_PCI_NUM_LSI]; + + QLIST_ENTRY(sPAPRPHBState) list; +} sPAPRPHBState; + +#define SPAPR_PCI_MEM_WIN_BUS_OFFSET 0x80000000ULL +#define SPAPR_PCI_IO_WIN_SIZE 0x10000 + +void spapr_create_phb(sPAPREnvironment *spapr, + const char *busname, uint64_t buid, + uint64_t mem_win_addr, uint64_t mem_win_size, + uint64_t io_win_addr); + +int spapr_populate_pci_devices(sPAPRPHBState *phb, + uint32_t xics_phandle, + void *fdt); + +#endif /* __HW_SPAPR_PCI_H__ */ |