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authorRajithaY <rajithax.yerrumsetty@intel.com>2017-04-25 03:31:15 -0700
committerRajitha Yerrumchetty <rajithax.yerrumsetty@intel.com>2017-05-22 06:48:08 +0000
commitbb756eebdac6fd24e8919e2c43f7d2c8c4091f59 (patch)
treeca11e03542edf2d8f631efeca5e1626d211107e3 /qemu/hw/pci-host/apb.c
parenta14b48d18a9ed03ec191cf16b162206998a895ce (diff)
Adding qemu as a submodule of KVMFORNFV
This Patch includes the changes to add qemu as a submodule to kvmfornfv repo and make use of the updated latest qemu for the execution of all testcase Change-Id: I1280af507a857675c7f81d30c95255635667bdd7 Signed-off-by:RajithaY<rajithax.yerrumsetty@intel.com>
Diffstat (limited to 'qemu/hw/pci-host/apb.c')
-rw-r--r--qemu/hw/pci-host/apb.c871
1 files changed, 0 insertions, 871 deletions
diff --git a/qemu/hw/pci-host/apb.c b/qemu/hw/pci-host/apb.c
deleted file mode 100644
index aaef7bb3a..000000000
--- a/qemu/hw/pci-host/apb.c
+++ /dev/null
@@ -1,871 +0,0 @@
-/*
- * QEMU Ultrasparc APB PCI host
- *
- * Copyright (c) 2006 Fabrice Bellard
- * Copyright (c) 2012,2013 Artyom Tarasenko
- *
- * 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.
- */
-
-/* XXX This file and most of its contents are somewhat misnamed. The
- Ultrasparc PCI host is called the PCI Bus Module (PBM). The APB is
- the secondary PCI bridge. */
-
-#include "qemu/osdep.h"
-#include "hw/sysbus.h"
-#include "hw/pci/pci.h"
-#include "hw/pci/pci_host.h"
-#include "hw/pci/pci_bridge.h"
-#include "hw/pci/pci_bus.h"
-#include "hw/pci-host/apb.h"
-#include "sysemu/sysemu.h"
-#include "exec/address-spaces.h"
-
-/* debug APB */
-//#define DEBUG_APB
-
-#ifdef DEBUG_APB
-#define APB_DPRINTF(fmt, ...) \
-do { printf("APB: " fmt , ## __VA_ARGS__); } while (0)
-#else
-#define APB_DPRINTF(fmt, ...)
-#endif
-
-/* debug IOMMU */
-//#define DEBUG_IOMMU
-
-#ifdef DEBUG_IOMMU
-#define IOMMU_DPRINTF(fmt, ...) \
-do { printf("IOMMU: " fmt , ## __VA_ARGS__); } while (0)
-#else
-#define IOMMU_DPRINTF(fmt, ...)
-#endif
-
-/*
- * Chipset docs:
- * PBM: "UltraSPARC IIi User's Manual",
- * http://www.sun.com/processors/manuals/805-0087.pdf
- *
- * APB: "Advanced PCI Bridge (APB) User's Manual",
- * http://www.sun.com/processors/manuals/805-1251.pdf
- */
-
-#define PBM_PCI_IMR_MASK 0x7fffffff
-#define PBM_PCI_IMR_ENABLED 0x80000000
-
-#define POR (1U << 31)
-#define SOFT_POR (1U << 30)
-#define SOFT_XIR (1U << 29)
-#define BTN_POR (1U << 28)
-#define BTN_XIR (1U << 27)
-#define RESET_MASK 0xf8000000
-#define RESET_WCMASK 0x98000000
-#define RESET_WMASK 0x60000000
-
-#define MAX_IVEC 0x40
-#define NO_IRQ_REQUEST (MAX_IVEC + 1)
-
-#define IOMMU_PAGE_SIZE_8K (1ULL << 13)
-#define IOMMU_PAGE_MASK_8K (~(IOMMU_PAGE_SIZE_8K - 1))
-#define IOMMU_PAGE_SIZE_64K (1ULL << 16)
-#define IOMMU_PAGE_MASK_64K (~(IOMMU_PAGE_SIZE_64K - 1))
-
-#define IOMMU_NREGS 3
-
-#define IOMMU_CTRL 0x0
-#define IOMMU_CTRL_TBW_SIZE (1ULL << 2)
-#define IOMMU_CTRL_MMU_EN (1ULL)
-
-#define IOMMU_CTRL_TSB_SHIFT 16
-
-#define IOMMU_BASE 0x8
-#define IOMMU_FLUSH 0x10
-
-#define IOMMU_TTE_DATA_V (1ULL << 63)
-#define IOMMU_TTE_DATA_SIZE (1ULL << 61)
-#define IOMMU_TTE_DATA_W (1ULL << 1)
-
-#define IOMMU_TTE_PHYS_MASK_8K 0x1ffffffe000ULL
-#define IOMMU_TTE_PHYS_MASK_64K 0x1ffffff8000ULL
-
-#define IOMMU_TSB_8K_OFFSET_MASK_8M 0x00000000007fe000ULL
-#define IOMMU_TSB_8K_OFFSET_MASK_16M 0x0000000000ffe000ULL
-#define IOMMU_TSB_8K_OFFSET_MASK_32M 0x0000000001ffe000ULL
-#define IOMMU_TSB_8K_OFFSET_MASK_64M 0x0000000003ffe000ULL
-#define IOMMU_TSB_8K_OFFSET_MASK_128M 0x0000000007ffe000ULL
-#define IOMMU_TSB_8K_OFFSET_MASK_256M 0x000000000fffe000ULL
-#define IOMMU_TSB_8K_OFFSET_MASK_512M 0x000000001fffe000ULL
-#define IOMMU_TSB_8K_OFFSET_MASK_1G 0x000000003fffe000ULL
-
-#define IOMMU_TSB_64K_OFFSET_MASK_64M 0x0000000003ff0000ULL
-#define IOMMU_TSB_64K_OFFSET_MASK_128M 0x0000000007ff0000ULL
-#define IOMMU_TSB_64K_OFFSET_MASK_256M 0x000000000fff0000ULL
-#define IOMMU_TSB_64K_OFFSET_MASK_512M 0x000000001fff0000ULL
-#define IOMMU_TSB_64K_OFFSET_MASK_1G 0x000000003fff0000ULL
-#define IOMMU_TSB_64K_OFFSET_MASK_2G 0x000000007fff0000ULL
-
-typedef struct IOMMUState {
- AddressSpace iommu_as;
- MemoryRegion iommu;
-
- uint64_t regs[IOMMU_NREGS];
-} IOMMUState;
-
-#define TYPE_APB "pbm"
-
-#define APB_DEVICE(obj) \
- OBJECT_CHECK(APBState, (obj), TYPE_APB)
-
-typedef struct APBState {
- PCIHostState parent_obj;
-
- MemoryRegion apb_config;
- MemoryRegion pci_config;
- MemoryRegion pci_mmio;
- MemoryRegion pci_ioport;
- uint64_t pci_irq_in;
- IOMMUState iommu;
- uint32_t pci_control[16];
- uint32_t pci_irq_map[8];
- uint32_t pci_err_irq_map[4];
- uint32_t obio_irq_map[32];
- qemu_irq *pbm_irqs;
- qemu_irq *ivec_irqs;
- unsigned int irq_request;
- uint32_t reset_control;
- unsigned int nr_resets;
-} APBState;
-
-static inline void pbm_set_request(APBState *s, unsigned int irq_num)
-{
- APB_DPRINTF("%s: request irq %d\n", __func__, irq_num);
-
- s->irq_request = irq_num;
- qemu_set_irq(s->ivec_irqs[irq_num], 1);
-}
-
-static inline void pbm_check_irqs(APBState *s)
-{
-
- unsigned int i;
-
- /* Previous request is not acknowledged, resubmit */
- if (s->irq_request != NO_IRQ_REQUEST) {
- pbm_set_request(s, s->irq_request);
- return;
- }
- /* no request pending */
- if (s->pci_irq_in == 0ULL) {
- return;
- }
- for (i = 0; i < 32; i++) {
- if (s->pci_irq_in & (1ULL << i)) {
- if (s->pci_irq_map[i >> 2] & PBM_PCI_IMR_ENABLED) {
- pbm_set_request(s, i);
- return;
- }
- }
- }
- for (i = 32; i < 64; i++) {
- if (s->pci_irq_in & (1ULL << i)) {
- if (s->obio_irq_map[i - 32] & PBM_PCI_IMR_ENABLED) {
- pbm_set_request(s, i);
- break;
- }
- }
- }
-}
-
-static inline void pbm_clear_request(APBState *s, unsigned int irq_num)
-{
- APB_DPRINTF("%s: clear request irq %d\n", __func__, irq_num);
- qemu_set_irq(s->ivec_irqs[irq_num], 0);
- s->irq_request = NO_IRQ_REQUEST;
-}
-
-static AddressSpace *pbm_pci_dma_iommu(PCIBus *bus, void *opaque, int devfn)
-{
- IOMMUState *is = opaque;
-
- return &is->iommu_as;
-}
-
-/* Called from RCU critical section */
-static IOMMUTLBEntry pbm_translate_iommu(MemoryRegion *iommu, hwaddr addr,
- bool is_write)
-{
- IOMMUState *is = container_of(iommu, IOMMUState, iommu);
- hwaddr baseaddr, offset;
- uint64_t tte;
- uint32_t tsbsize;
- IOMMUTLBEntry ret = {
- .target_as = &address_space_memory,
- .iova = 0,
- .translated_addr = 0,
- .addr_mask = ~(hwaddr)0,
- .perm = IOMMU_NONE,
- };
-
- if (!(is->regs[IOMMU_CTRL >> 3] & IOMMU_CTRL_MMU_EN)) {
- /* IOMMU disabled, passthrough using standard 8K page */
- ret.iova = addr & IOMMU_PAGE_MASK_8K;
- ret.translated_addr = addr;
- ret.addr_mask = IOMMU_PAGE_MASK_8K;
- ret.perm = IOMMU_RW;
-
- return ret;
- }
-
- baseaddr = is->regs[IOMMU_BASE >> 3];
- tsbsize = (is->regs[IOMMU_CTRL >> 3] >> IOMMU_CTRL_TSB_SHIFT) & 0x7;
-
- if (is->regs[IOMMU_CTRL >> 3] & IOMMU_CTRL_TBW_SIZE) {
- /* 64K */
- switch (tsbsize) {
- case 0:
- offset = (addr & IOMMU_TSB_64K_OFFSET_MASK_64M) >> 13;
- break;
- case 1:
- offset = (addr & IOMMU_TSB_64K_OFFSET_MASK_128M) >> 13;
- break;
- case 2:
- offset = (addr & IOMMU_TSB_64K_OFFSET_MASK_256M) >> 13;
- break;
- case 3:
- offset = (addr & IOMMU_TSB_64K_OFFSET_MASK_512M) >> 13;
- break;
- case 4:
- offset = (addr & IOMMU_TSB_64K_OFFSET_MASK_1G) >> 13;
- break;
- case 5:
- offset = (addr & IOMMU_TSB_64K_OFFSET_MASK_2G) >> 13;
- break;
- default:
- /* Not implemented, error */
- return ret;
- }
- } else {
- /* 8K */
- switch (tsbsize) {
- case 0:
- offset = (addr & IOMMU_TSB_8K_OFFSET_MASK_8M) >> 10;
- break;
- case 1:
- offset = (addr & IOMMU_TSB_8K_OFFSET_MASK_16M) >> 10;
- break;
- case 2:
- offset = (addr & IOMMU_TSB_8K_OFFSET_MASK_32M) >> 10;
- break;
- case 3:
- offset = (addr & IOMMU_TSB_8K_OFFSET_MASK_64M) >> 10;
- break;
- case 4:
- offset = (addr & IOMMU_TSB_8K_OFFSET_MASK_128M) >> 10;
- break;
- case 5:
- offset = (addr & IOMMU_TSB_8K_OFFSET_MASK_256M) >> 10;
- break;
- case 6:
- offset = (addr & IOMMU_TSB_8K_OFFSET_MASK_512M) >> 10;
- break;
- case 7:
- offset = (addr & IOMMU_TSB_8K_OFFSET_MASK_1G) >> 10;
- break;
- }
- }
-
- tte = address_space_ldq_be(&address_space_memory, baseaddr + offset,
- MEMTXATTRS_UNSPECIFIED, NULL);
-
- if (!(tte & IOMMU_TTE_DATA_V)) {
- /* Invalid mapping */
- return ret;
- }
-
- if (tte & IOMMU_TTE_DATA_W) {
- /* Writeable */
- ret.perm = IOMMU_RW;
- } else {
- ret.perm = IOMMU_RO;
- }
-
- /* Extract phys */
- if (tte & IOMMU_TTE_DATA_SIZE) {
- /* 64K */
- ret.iova = addr & IOMMU_PAGE_MASK_64K;
- ret.translated_addr = tte & IOMMU_TTE_PHYS_MASK_64K;
- ret.addr_mask = (IOMMU_PAGE_SIZE_64K - 1);
- } else {
- /* 8K */
- ret.iova = addr & IOMMU_PAGE_MASK_8K;
- ret.translated_addr = tte & IOMMU_TTE_PHYS_MASK_8K;
- ret.addr_mask = (IOMMU_PAGE_SIZE_8K - 1);
- }
-
- return ret;
-}
-
-static MemoryRegionIOMMUOps pbm_iommu_ops = {
- .translate = pbm_translate_iommu,
-};
-
-static void iommu_config_write(void *opaque, hwaddr addr,
- uint64_t val, unsigned size)
-{
- IOMMUState *is = opaque;
-
- IOMMU_DPRINTF("IOMMU config write: 0x%" HWADDR_PRIx " val: %" PRIx64
- " size: %d\n", addr, val, size);
-
- switch (addr) {
- case IOMMU_CTRL:
- if (size == 4) {
- is->regs[IOMMU_CTRL >> 3] &= 0xffffffffULL;
- is->regs[IOMMU_CTRL >> 3] |= val << 32;
- } else {
- is->regs[IOMMU_CTRL >> 3] = val;
- }
- break;
- case IOMMU_CTRL + 0x4:
- is->regs[IOMMU_CTRL >> 3] &= 0xffffffff00000000ULL;
- is->regs[IOMMU_CTRL >> 3] |= val & 0xffffffffULL;
- break;
- case IOMMU_BASE:
- if (size == 4) {
- is->regs[IOMMU_BASE >> 3] &= 0xffffffffULL;
- is->regs[IOMMU_BASE >> 3] |= val << 32;
- } else {
- is->regs[IOMMU_BASE >> 3] = val;
- }
- break;
- case IOMMU_BASE + 0x4:
- is->regs[IOMMU_BASE >> 3] &= 0xffffffff00000000ULL;
- is->regs[IOMMU_BASE >> 3] |= val & 0xffffffffULL;
- break;
- case IOMMU_FLUSH:
- case IOMMU_FLUSH + 0x4:
- break;
- default:
- qemu_log_mask(LOG_UNIMP,
- "apb iommu: Unimplemented register write "
- "reg 0x%" HWADDR_PRIx " size 0x%x value 0x%" PRIx64 "\n",
- addr, size, val);
- break;
- }
-}
-
-static uint64_t iommu_config_read(void *opaque, hwaddr addr, unsigned size)
-{
- IOMMUState *is = opaque;
- uint64_t val;
-
- switch (addr) {
- case IOMMU_CTRL:
- if (size == 4) {
- val = is->regs[IOMMU_CTRL >> 3] >> 32;
- } else {
- val = is->regs[IOMMU_CTRL >> 3];
- }
- break;
- case IOMMU_CTRL + 0x4:
- val = is->regs[IOMMU_CTRL >> 3] & 0xffffffffULL;
- break;
- case IOMMU_BASE:
- if (size == 4) {
- val = is->regs[IOMMU_BASE >> 3] >> 32;
- } else {
- val = is->regs[IOMMU_BASE >> 3];
- }
- break;
- case IOMMU_BASE + 0x4:
- val = is->regs[IOMMU_BASE >> 3] & 0xffffffffULL;
- break;
- case IOMMU_FLUSH:
- case IOMMU_FLUSH + 0x4:
- val = 0;
- break;
- default:
- qemu_log_mask(LOG_UNIMP,
- "apb iommu: Unimplemented register read "
- "reg 0x%" HWADDR_PRIx " size 0x%x\n",
- addr, size);
- val = 0;
- break;
- }
-
- IOMMU_DPRINTF("IOMMU config read: 0x%" HWADDR_PRIx " val: %" PRIx64
- " size: %d\n", addr, val, size);
-
- return val;
-}
-
-static void apb_config_writel (void *opaque, hwaddr addr,
- uint64_t val, unsigned size)
-{
- APBState *s = opaque;
- IOMMUState *is = &s->iommu;
-
- APB_DPRINTF("%s: addr " TARGET_FMT_plx " val %" PRIx64 "\n", __func__, addr, val);
-
- switch (addr & 0xffff) {
- case 0x30 ... 0x4f: /* DMA error registers */
- /* XXX: not implemented yet */
- break;
- case 0x200 ... 0x217: /* IOMMU */
- iommu_config_write(is, (addr & 0x1f), val, size);
- break;
- case 0xc00 ... 0xc3f: /* PCI interrupt control */
- if (addr & 4) {
- unsigned int ino = (addr & 0x3f) >> 3;
- s->pci_irq_map[ino] &= PBM_PCI_IMR_MASK;
- s->pci_irq_map[ino] |= val & ~PBM_PCI_IMR_MASK;
- if ((s->irq_request == ino) && !(val & ~PBM_PCI_IMR_MASK)) {
- pbm_clear_request(s, ino);
- }
- pbm_check_irqs(s);
- }
- break;
- case 0x1000 ... 0x107f: /* OBIO interrupt control */
- if (addr & 4) {
- unsigned int ino = ((addr & 0xff) >> 3);
- s->obio_irq_map[ino] &= PBM_PCI_IMR_MASK;
- s->obio_irq_map[ino] |= val & ~PBM_PCI_IMR_MASK;
- if ((s->irq_request == (ino | 0x20))
- && !(val & ~PBM_PCI_IMR_MASK)) {
- pbm_clear_request(s, ino | 0x20);
- }
- pbm_check_irqs(s);
- }
- break;
- case 0x1400 ... 0x14ff: /* PCI interrupt clear */
- if (addr & 4) {
- unsigned int ino = (addr & 0xff) >> 5;
- if ((s->irq_request / 4) == ino) {
- pbm_clear_request(s, s->irq_request);
- pbm_check_irqs(s);
- }
- }
- break;
- case 0x1800 ... 0x1860: /* OBIO interrupt clear */
- if (addr & 4) {
- unsigned int ino = ((addr & 0xff) >> 3) | 0x20;
- if (s->irq_request == ino) {
- pbm_clear_request(s, ino);
- pbm_check_irqs(s);
- }
- }
- break;
- case 0x2000 ... 0x202f: /* PCI control */
- s->pci_control[(addr & 0x3f) >> 2] = val;
- break;
- case 0xf020 ... 0xf027: /* Reset control */
- if (addr & 4) {
- val &= RESET_MASK;
- s->reset_control &= ~(val & RESET_WCMASK);
- s->reset_control |= val & RESET_WMASK;
- if (val & SOFT_POR) {
- s->nr_resets = 0;
- qemu_system_reset_request();
- } else if (val & SOFT_XIR) {
- qemu_system_reset_request();
- }
- }
- break;
- case 0x5000 ... 0x51cf: /* PIO/DMA diagnostics */
- case 0xa400 ... 0xa67f: /* IOMMU diagnostics */
- case 0xa800 ... 0xa80f: /* Interrupt diagnostics */
- case 0xf000 ... 0xf01f: /* FFB config, memory control */
- /* we don't care */
- default:
- break;
- }
-}
-
-static uint64_t apb_config_readl (void *opaque,
- hwaddr addr, unsigned size)
-{
- APBState *s = opaque;
- IOMMUState *is = &s->iommu;
- uint32_t val;
-
- switch (addr & 0xffff) {
- case 0x30 ... 0x4f: /* DMA error registers */
- val = 0;
- /* XXX: not implemented yet */
- break;
- case 0x200 ... 0x217: /* IOMMU */
- val = iommu_config_read(is, (addr & 0x1f), size);
- break;
- case 0xc00 ... 0xc3f: /* PCI interrupt control */
- if (addr & 4) {
- val = s->pci_irq_map[(addr & 0x3f) >> 3];
- } else {
- val = 0;
- }
- break;
- case 0x1000 ... 0x107f: /* OBIO interrupt control */
- if (addr & 4) {
- val = s->obio_irq_map[(addr & 0xff) >> 3];
- } else {
- val = 0;
- }
- break;
- case 0x1080 ... 0x108f: /* PCI bus error */
- if (addr & 4) {
- val = s->pci_err_irq_map[(addr & 0xf) >> 3];
- } else {
- val = 0;
- }
- break;
- case 0x2000 ... 0x202f: /* PCI control */
- val = s->pci_control[(addr & 0x3f) >> 2];
- break;
- case 0xf020 ... 0xf027: /* Reset control */
- if (addr & 4) {
- val = s->reset_control;
- } else {
- val = 0;
- }
- break;
- case 0x5000 ... 0x51cf: /* PIO/DMA diagnostics */
- case 0xa400 ... 0xa67f: /* IOMMU diagnostics */
- case 0xa800 ... 0xa80f: /* Interrupt diagnostics */
- case 0xf000 ... 0xf01f: /* FFB config, memory control */
- /* we don't care */
- default:
- val = 0;
- break;
- }
- APB_DPRINTF("%s: addr " TARGET_FMT_plx " -> %x\n", __func__, addr, val);
-
- return val;
-}
-
-static const MemoryRegionOps apb_config_ops = {
- .read = apb_config_readl,
- .write = apb_config_writel,
- .endianness = DEVICE_NATIVE_ENDIAN,
-};
-
-static void apb_pci_config_write(void *opaque, hwaddr addr,
- uint64_t val, unsigned size)
-{
- APBState *s = opaque;
- PCIHostState *phb = PCI_HOST_BRIDGE(s);
-
- val = qemu_bswap_len(val, size);
- APB_DPRINTF("%s: addr " TARGET_FMT_plx " val %" PRIx64 "\n", __func__, addr, val);
- pci_data_write(phb->bus, addr, val, size);
-}
-
-static uint64_t apb_pci_config_read(void *opaque, hwaddr addr,
- unsigned size)
-{
- uint32_t ret;
- APBState *s = opaque;
- PCIHostState *phb = PCI_HOST_BRIDGE(s);
-
- ret = pci_data_read(phb->bus, addr, size);
- ret = qemu_bswap_len(ret, size);
- APB_DPRINTF("%s: addr " TARGET_FMT_plx " -> %x\n", __func__, addr, ret);
- return ret;
-}
-
-/* The APB host has an IRQ line for each IRQ line of each slot. */
-static int pci_apb_map_irq(PCIDevice *pci_dev, int irq_num)
-{
- return ((pci_dev->devfn & 0x18) >> 1) + irq_num;
-}
-
-static int pci_pbm_map_irq(PCIDevice *pci_dev, int irq_num)
-{
- int bus_offset;
- if (pci_dev->devfn & 1)
- bus_offset = 16;
- else
- bus_offset = 0;
- return (bus_offset + (PCI_SLOT(pci_dev->devfn) << 2) + irq_num) & 0x1f;
-}
-
-static void pci_apb_set_irq(void *opaque, int irq_num, int level)
-{
- APBState *s = opaque;
-
- APB_DPRINTF("%s: set irq_in %d level %d\n", __func__, irq_num, level);
- /* PCI IRQ map onto the first 32 INO. */
- if (irq_num < 32) {
- if (level) {
- s->pci_irq_in |= 1ULL << irq_num;
- if (s->pci_irq_map[irq_num >> 2] & PBM_PCI_IMR_ENABLED) {
- pbm_set_request(s, irq_num);
- }
- } else {
- s->pci_irq_in &= ~(1ULL << irq_num);
- }
- } else {
- /* OBIO IRQ map onto the next 32 INO. */
- if (level) {
- APB_DPRINTF("%s: set irq %d level %d\n", __func__, irq_num, level);
- s->pci_irq_in |= 1ULL << irq_num;
- if ((s->irq_request == NO_IRQ_REQUEST)
- && (s->obio_irq_map[irq_num - 32] & PBM_PCI_IMR_ENABLED)) {
- pbm_set_request(s, irq_num);
- }
- } else {
- s->pci_irq_in &= ~(1ULL << irq_num);
- }
- }
-}
-
-static int apb_pci_bridge_initfn(PCIDevice *dev)
-{
- pci_bridge_initfn(dev, TYPE_PCI_BUS);
-
- /*
- * command register:
- * According to PCI bridge spec, after reset
- * bus master bit is off
- * memory space enable bit is off
- * According to manual (805-1251.pdf).
- * the reset value should be zero unless the boot pin is tied high
- * (which is true) and thus it should be PCI_COMMAND_MEMORY.
- */
- pci_set_word(dev->config + PCI_COMMAND,
- PCI_COMMAND_MEMORY);
- pci_set_word(dev->config + PCI_STATUS,
- PCI_STATUS_FAST_BACK | PCI_STATUS_66MHZ |
- PCI_STATUS_DEVSEL_MEDIUM);
- return 0;
-}
-
-PCIBus *pci_apb_init(hwaddr special_base,
- hwaddr mem_base,
- qemu_irq *ivec_irqs, PCIBus **bus2, PCIBus **bus3,
- qemu_irq **pbm_irqs)
-{
- DeviceState *dev;
- SysBusDevice *s;
- PCIHostState *phb;
- APBState *d;
- IOMMUState *is;
- PCIDevice *pci_dev;
- PCIBridge *br;
-
- /* Ultrasparc PBM main bus */
- dev = qdev_create(NULL, TYPE_APB);
- qdev_init_nofail(dev);
- s = SYS_BUS_DEVICE(dev);
- /* apb_config */
- sysbus_mmio_map(s, 0, special_base);
- /* PCI configuration space */
- sysbus_mmio_map(s, 1, special_base + 0x1000000ULL);
- /* pci_ioport */
- sysbus_mmio_map(s, 2, special_base + 0x2000000ULL);
- d = APB_DEVICE(dev);
-
- memory_region_init(&d->pci_mmio, OBJECT(s), "pci-mmio", 0x100000000ULL);
- memory_region_add_subregion(get_system_memory(), mem_base, &d->pci_mmio);
-
- phb = PCI_HOST_BRIDGE(dev);
- phb->bus = pci_register_bus(DEVICE(phb), "pci",
- pci_apb_set_irq, pci_pbm_map_irq, d,
- &d->pci_mmio,
- get_system_io(),
- 0, 32, TYPE_PCI_BUS);
-
- *pbm_irqs = d->pbm_irqs;
- d->ivec_irqs = ivec_irqs;
-
- pci_create_simple(phb->bus, 0, "pbm-pci");
-
- /* APB IOMMU */
- is = &d->iommu;
- memset(is, 0, sizeof(IOMMUState));
-
- memory_region_init_iommu(&is->iommu, OBJECT(dev), &pbm_iommu_ops,
- "iommu-apb", UINT64_MAX);
- address_space_init(&is->iommu_as, &is->iommu, "pbm-as");
- pci_setup_iommu(phb->bus, pbm_pci_dma_iommu, is);
-
- /* APB secondary busses */
- pci_dev = pci_create_multifunction(phb->bus, PCI_DEVFN(1, 0), true,
- "pbm-bridge");
- br = PCI_BRIDGE(pci_dev);
- pci_bridge_map_irq(br, "Advanced PCI Bus secondary bridge 1",
- pci_apb_map_irq);
- qdev_init_nofail(&pci_dev->qdev);
- *bus2 = pci_bridge_get_sec_bus(br);
-
- pci_dev = pci_create_multifunction(phb->bus, PCI_DEVFN(1, 1), true,
- "pbm-bridge");
- br = PCI_BRIDGE(pci_dev);
- pci_bridge_map_irq(br, "Advanced PCI Bus secondary bridge 2",
- pci_apb_map_irq);
- qdev_init_nofail(&pci_dev->qdev);
- *bus3 = pci_bridge_get_sec_bus(br);
-
- return phb->bus;
-}
-
-static void pci_pbm_reset(DeviceState *d)
-{
- unsigned int i;
- APBState *s = APB_DEVICE(d);
-
- for (i = 0; i < 8; i++) {
- s->pci_irq_map[i] &= PBM_PCI_IMR_MASK;
- }
- for (i = 0; i < 32; i++) {
- s->obio_irq_map[i] &= PBM_PCI_IMR_MASK;
- }
-
- s->irq_request = NO_IRQ_REQUEST;
- s->pci_irq_in = 0ULL;
-
- if (s->nr_resets++ == 0) {
- /* Power on reset */
- s->reset_control = POR;
- }
-}
-
-static const MemoryRegionOps pci_config_ops = {
- .read = apb_pci_config_read,
- .write = apb_pci_config_write,
- .endianness = DEVICE_NATIVE_ENDIAN,
-};
-
-static int pci_pbm_init_device(SysBusDevice *dev)
-{
- APBState *s;
- unsigned int i;
-
- s = APB_DEVICE(dev);
- for (i = 0; i < 8; i++) {
- s->pci_irq_map[i] = (0x1f << 6) | (i << 2);
- }
- for (i = 0; i < 2; i++) {
- s->pci_err_irq_map[i] = (0x1f << 6) | 0x30;
- }
- for (i = 0; i < 32; i++) {
- s->obio_irq_map[i] = ((0x1f << 6) | 0x20) + i;
- }
- s->pbm_irqs = qemu_allocate_irqs(pci_apb_set_irq, s, MAX_IVEC);
- s->irq_request = NO_IRQ_REQUEST;
- s->pci_irq_in = 0ULL;
-
- /* apb_config */
- memory_region_init_io(&s->apb_config, OBJECT(s), &apb_config_ops, s,
- "apb-config", 0x10000);
- /* at region 0 */
- sysbus_init_mmio(dev, &s->apb_config);
-
- memory_region_init_io(&s->pci_config, OBJECT(s), &pci_config_ops, s,
- "apb-pci-config", 0x1000000);
- /* at region 1 */
- sysbus_init_mmio(dev, &s->pci_config);
-
- /* pci_ioport */
- memory_region_init_alias(&s->pci_ioport, OBJECT(s), "apb-pci-ioport",
- get_system_io(), 0, 0x10000);
- /* at region 2 */
- sysbus_init_mmio(dev, &s->pci_ioport);
-
- return 0;
-}
-
-static void pbm_pci_host_realize(PCIDevice *d, Error **errp)
-{
- pci_set_word(d->config + PCI_COMMAND,
- PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER);
- pci_set_word(d->config + PCI_STATUS,
- PCI_STATUS_FAST_BACK | PCI_STATUS_66MHZ |
- PCI_STATUS_DEVSEL_MEDIUM);
-}
-
-static void pbm_pci_host_class_init(ObjectClass *klass, void *data)
-{
- PCIDeviceClass *k = PCI_DEVICE_CLASS(klass);
- DeviceClass *dc = DEVICE_CLASS(klass);
-
- k->realize = pbm_pci_host_realize;
- k->vendor_id = PCI_VENDOR_ID_SUN;
- k->device_id = PCI_DEVICE_ID_SUN_SABRE;
- k->class_id = PCI_CLASS_BRIDGE_HOST;
- /*
- * PCI-facing part of the host bridge, not usable without the
- * host-facing part, which can't be device_add'ed, yet.
- */
- dc->cannot_instantiate_with_device_add_yet = true;
-}
-
-static const TypeInfo pbm_pci_host_info = {
- .name = "pbm-pci",
- .parent = TYPE_PCI_DEVICE,
- .instance_size = sizeof(PCIDevice),
- .class_init = pbm_pci_host_class_init,
-};
-
-static void pbm_host_class_init(ObjectClass *klass, void *data)
-{
- DeviceClass *dc = DEVICE_CLASS(klass);
- SysBusDeviceClass *k = SYS_BUS_DEVICE_CLASS(klass);
-
- k->init = pci_pbm_init_device;
- set_bit(DEVICE_CATEGORY_BRIDGE, dc->categories);
- dc->reset = pci_pbm_reset;
-}
-
-static const TypeInfo pbm_host_info = {
- .name = TYPE_APB,
- .parent = TYPE_PCI_HOST_BRIDGE,
- .instance_size = sizeof(APBState),
- .class_init = pbm_host_class_init,
-};
-
-static void pbm_pci_bridge_class_init(ObjectClass *klass, void *data)
-{
- DeviceClass *dc = DEVICE_CLASS(klass);
- PCIDeviceClass *k = PCI_DEVICE_CLASS(klass);
-
- k->init = apb_pci_bridge_initfn;
- k->exit = pci_bridge_exitfn;
- k->vendor_id = PCI_VENDOR_ID_SUN;
- k->device_id = PCI_DEVICE_ID_SUN_SIMBA;
- k->revision = 0x11;
- k->config_write = pci_bridge_write_config;
- k->is_bridge = 1;
- set_bit(DEVICE_CATEGORY_BRIDGE, dc->categories);
- dc->reset = pci_bridge_reset;
- dc->vmsd = &vmstate_pci_device;
-}
-
-static const TypeInfo pbm_pci_bridge_info = {
- .name = "pbm-bridge",
- .parent = TYPE_PCI_BRIDGE,
- .class_init = pbm_pci_bridge_class_init,
-};
-
-static void pbm_register_types(void)
-{
- type_register_static(&pbm_host_info);
- type_register_static(&pbm_pci_host_info);
- type_register_static(&pbm_pci_bridge_info);
-}
-
-type_init(pbm_register_types)