diff options
Diffstat (limited to 'hw/pci.h')
| -rw-r--r-- | hw/pci.h | 67 |
1 files changed, 49 insertions, 18 deletions
diff --git a/hw/pci.h b/hw/pci.h index 7f223c01e1..4b6ab3d190 100644 --- a/hw/pci.h +++ b/hw/pci.h @@ -85,7 +85,7 @@ typedef uint32_t PCIConfigReadFunc(PCIDevice *pci_dev, uint32_t address, int len); typedef void PCIMapIORegionFunc(PCIDevice *pci_dev, int region_num, pcibus_t addr, pcibus_t size, int type); -typedef int PCIUnregisterFunc(PCIDevice *pci_dev); +typedef void PCIUnregisterFunc(PCIDevice *pci_dev); typedef struct PCIIORegion { pcibus_t addr; /* current PCI mapping address. -1 means not mapped */ @@ -141,6 +141,15 @@ enum { #define PCI_DEVICE_GET_CLASS(obj) \ OBJECT_GET_CLASS(PCIDeviceClass, (obj), TYPE_PCI_DEVICE) +typedef struct PCIINTxRoute { + enum { + PCI_INTX_ENABLED, + PCI_INTX_INVERTED, + PCI_INTX_DISABLED, + } mode; + int irq; +} PCIINTxRoute; + typedef struct PCIDeviceClass { DeviceClass parent_class; @@ -173,12 +182,14 @@ typedef struct PCIDeviceClass { const char *romfile; } PCIDeviceClass; +typedef void (*PCIINTxRoutingNotifier)(PCIDevice *dev); typedef int (*MSIVectorUseNotifier)(PCIDevice *dev, unsigned int vector, MSIMessage msg); typedef void (*MSIVectorReleaseNotifier)(PCIDevice *dev, unsigned int vector); struct PCIDevice { DeviceState qdev; + /* PCI config space */ uint8_t *config; @@ -200,6 +211,7 @@ struct PCIDevice { int32_t devfn; char name[64]; PCIIORegion io_regions[PCI_NUM_REGIONS]; + DMAContext *dma; /* do not access the following fields */ PCIConfigReadFunc *config_read; @@ -220,14 +232,16 @@ struct PCIDevice { /* MSI-X entries */ int msix_entries_nr; - /* Space to store MSIX table */ - uint8_t *msix_table_page; - /* MMIO index used to map MSIX table and pending bit entries. */ - MemoryRegion msix_mmio; + /* Space to store MSIX table & pending bit array */ + uint8_t *msix_table; + uint8_t *msix_pba; + /* MemoryRegion container for msix exclusive BAR setup */ + MemoryRegion msix_exclusive_bar; + /* Memory Regions for MSIX table and pending bit entries. */ + MemoryRegion msix_table_mmio; + MemoryRegion msix_pba_mmio; /* Reference-count for entries actually in use by driver. */ unsigned *msix_entry_used; - /* Region including the MSI-X table */ - uint32_t msix_bar_size; /* MSIX function mask set or MSIX disabled */ bool msix_function_masked; /* Version id needed for VMState */ @@ -248,6 +262,9 @@ struct PCIDevice { MemoryRegion rom; uint32_t rom_bar; + /* INTx routing notifier */ + PCIINTxRoutingNotifier intx_routing_notifier; + /* MSI-X notifiers */ MSIVectorUseNotifier msix_vector_use_notifier; MSIVectorReleaseNotifier msix_vector_release_notifier; @@ -276,6 +293,7 @@ MemoryRegion *pci_address_space_io(PCIDevice *dev); typedef void (*pci_set_irq_fn)(void *opaque, int irq_num, int level); typedef int (*pci_map_irq_fn)(PCIDevice *pci_dev, int irq_num); +typedef PCIINTxRoute (*pci_route_irq_fn)(void *opaque, int pin); typedef enum { PCI_HOTPLUG_DISABLED, @@ -304,6 +322,11 @@ PCIBus *pci_register_bus(DeviceState *parent, const char *name, MemoryRegion *address_space_mem, MemoryRegion *address_space_io, uint8_t devfn_min, int nirq); +void pci_bus_set_route_irq_fn(PCIBus *, pci_route_irq_fn); +PCIINTxRoute pci_device_route_intx_to_irq(PCIDevice *dev, int pin); +void pci_bus_fire_intx_routing_notifier(PCIBus *bus); +void pci_device_set_intx_routing_notifier(PCIDevice *dev, + PCIINTxRoutingNotifier notifier); void pci_device_reset(PCIDevice *dev); void pci_bus_reset(PCIBus *bus); @@ -312,7 +335,9 @@ PCIDevice *pci_nic_init(NICInfo *nd, const char *default_model, PCIDevice *pci_nic_init_nofail(NICInfo *nd, const char *default_model, const char *default_devaddr); int pci_bus_num(PCIBus *s); -void pci_for_each_device(PCIBus *bus, int bus_num, void (*fn)(PCIBus *bus, PCIDevice *d)); +void pci_for_each_device(PCIBus *bus, int bus_num, + void (*fn)(PCIBus *bus, PCIDevice *d, void *opaque), + void *opaque); PCIBus *pci_find_root_bus(int domain); int pci_find_domain(const PCIBus *bus); PCIDevice *pci_find_device(PCIBus *bus, int bus_num, uint8_t devfn); @@ -324,6 +349,10 @@ int pci_read_devaddr(Monitor *mon, const char *addr, int *domp, int *busp, void pci_device_deassert_intx(PCIDevice *dev); +typedef DMAContext *(*PCIDMAContextFunc)(PCIBus *, void *, int); + +void pci_setup_iommu(PCIBus *bus, PCIDMAContextFunc fn, void *opaque); + static inline void pci_set_byte(uint8_t *config, uint8_t val) { @@ -558,10 +587,15 @@ static inline uint32_t pci_config_size(const PCIDevice *d) } /* DMA access functions */ +static inline DMAContext *pci_dma_context(PCIDevice *dev) +{ + return dev->dma; +} + static inline int pci_dma_rw(PCIDevice *dev, dma_addr_t addr, void *buf, dma_addr_t len, DMADirection dir) { - cpu_physical_memory_rw(addr, buf, len, dir == DMA_DIRECTION_FROM_DEVICE); + dma_memory_rw(pci_dma_context(dev), addr, buf, len, dir); return 0; } @@ -581,12 +615,12 @@ static inline int pci_dma_write(PCIDevice *dev, dma_addr_t addr, static inline uint##_bits##_t ld##_l##_pci_dma(PCIDevice *dev, \ dma_addr_t addr) \ { \ - return ld##_l##_phys(addr); \ + return ld##_l##_dma(pci_dma_context(dev), addr); \ } \ static inline void st##_s##_pci_dma(PCIDevice *dev, \ - dma_addr_t addr, uint##_bits##_t val) \ + dma_addr_t addr, uint##_bits##_t val) \ { \ - st##_s##_phys(addr, val); \ + st##_s##_dma(pci_dma_context(dev), addr, val); \ } PCI_DMA_DEFINE_LDST(ub, b, 8); @@ -602,25 +636,22 @@ PCI_DMA_DEFINE_LDST(q_be, q_be, 64); static inline void *pci_dma_map(PCIDevice *dev, dma_addr_t addr, dma_addr_t *plen, DMADirection dir) { - target_phys_addr_t len = *plen; void *buf; - buf = cpu_physical_memory_map(addr, &len, dir == DMA_DIRECTION_FROM_DEVICE); - *plen = len; + buf = dma_memory_map(pci_dma_context(dev), addr, plen, dir); return buf; } static inline void pci_dma_unmap(PCIDevice *dev, void *buffer, dma_addr_t len, DMADirection dir, dma_addr_t access_len) { - cpu_physical_memory_unmap(buffer, len, dir == DMA_DIRECTION_FROM_DEVICE, - access_len); + dma_memory_unmap(pci_dma_context(dev), buffer, len, dir, access_len); } static inline void pci_dma_sglist_init(QEMUSGList *qsg, PCIDevice *dev, int alloc_hint) { - qemu_sglist_init(qsg, alloc_hint); + qemu_sglist_init(qsg, alloc_hint, pci_dma_context(dev)); } extern const VMStateDescription vmstate_pci_device; |