#define QEMU_PCI_H
#include "qemu-common.h"
-#include "qobject.h"
#include "qdev.h"
+#include "memory.h"
+#include "dma.h"
/* PCI includes legacy ISA access. */
#include "isa.h"
pcibus_t addr; /* current PCI mapping address. -1 means not mapped */
#define PCI_BAR_UNMAPPED (~(pcibus_t)0)
pcibus_t size;
- pcibus_t filtered_size;
uint8_t type;
- PCIMapIORegionFunc *map_func;
- ram_addr_t ram_addr;
+ MemoryRegion *memory;
+ MemoryRegion *address_space;
} PCIIORegion;
#define PCI_ROM_SLOT 6
/* PCI config space */
uint8_t *config;
- /* Used to enable config checks on load. Note that writeable bits are
+ /* Used to enable config checks on load. Note that writable bits are
* never checked even if set in cmask. */
uint8_t *cmask;
/* Space to store MSIX table */
uint8_t *msix_table_page;
/* MMIO index used to map MSIX table and pending bit entries. */
- int msix_mmio_index;
+ MemoryRegion msix_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 */
int32_t version_id;
/* Location of option rom */
char *romfile;
- ram_addr_t rom_offset;
+ bool has_rom;
+ MemoryRegion rom;
uint32_t rom_bar;
};
PCIConfigWriteFunc *config_write);
void pci_register_bar(PCIDevice *pci_dev, int region_num,
- pcibus_t size, uint8_t type,
- PCIMapIORegionFunc *map_func);
-void pci_register_bar_simple(PCIDevice *pci_dev, int region_num,
- pcibus_t size, uint8_t attr, ram_addr_t ram_addr);
+ uint8_t attr, MemoryRegion *memory);
+pcibus_t pci_get_bar_addr(PCIDevice *pci_dev, int region_num);
int pci_add_capability(PCIDevice *pdev, uint8_t cap_id,
uint8_t offset, uint8_t size);
void pci_del_capability(PCIDevice *pci_dev, uint8_t cap_id, uint8_t cap_size);
-void pci_reserve_capability(PCIDevice *pci_dev, uint8_t offset, uint8_t size);
-
uint8_t pci_find_capability(PCIDevice *pci_dev, uint8_t cap_id);
uint32_t address, uint32_t val, int len);
void pci_device_save(PCIDevice *s, QEMUFile *f);
int pci_device_load(PCIDevice *s, QEMUFile *f);
+MemoryRegion *pci_address_space(PCIDevice *dev);
+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 int (*pci_hotplug_fn)(DeviceState *qdev, PCIDevice *pci_dev,
PCIHotplugState state);
void pci_bus_new_inplace(PCIBus *bus, DeviceState *parent,
- const char *name, uint8_t devfn_min);
-PCIBus *pci_bus_new(DeviceState *parent, const char *name, uint8_t devfn_min);
+ const char *name,
+ MemoryRegion *address_space_mem,
+ MemoryRegion *address_space_io,
+ uint8_t devfn_min);
+PCIBus *pci_bus_new(DeviceState *parent, const char *name,
+ MemoryRegion *address_space_mem,
+ MemoryRegion *address_space_io,
+ uint8_t devfn_min);
void pci_bus_irqs(PCIBus *bus, pci_set_irq_fn set_irq, pci_map_irq_fn map_irq,
void *irq_opaque, int nirq);
int pci_bus_get_irq_level(PCIBus *bus, int irq_num);
void pci_bus_hotplug(PCIBus *bus, pci_hotplug_fn hotplug, DeviceState *dev);
PCIBus *pci_register_bus(DeviceState *parent, const char *name,
pci_set_irq_fn set_irq, pci_map_irq_fn map_irq,
- void *irq_opaque, uint8_t devfn_min, int nirq);
+ void *irq_opaque,
+ MemoryRegion *address_space_mem,
+ MemoryRegion *address_space_io,
+ uint8_t devfn_min, int nirq);
void pci_device_reset(PCIDevice *dev);
void pci_bus_reset(PCIBus *bus);
-void pci_bus_set_mem_base(PCIBus *bus, target_phys_addr_t base);
-
PCIDevice *pci_nic_init(NICInfo *nd, const char *default_model,
const char *default_devaddr);
PCIDevice *pci_nic_init_nofail(NICInfo *nd, const char *default_model,
int pci_read_devaddr(Monitor *mon, const char *addr, int *domp, int *busp,
unsigned *slotp);
-void do_pci_info_print(Monitor *mon, const QObject *data);
-void do_pci_info(Monitor *mon, QObject **ret_data);
-void pci_bridge_update_mappings(PCIBus *b);
-
void pci_device_deassert_intx(PCIDevice *dev);
static inline void
return pci_is_express(d) ? PCIE_CONFIG_SPACE_SIZE : PCI_CONFIG_SPACE_SIZE;
}
+/* DMA access functions */
+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);
+ return 0;
+}
+
+static inline int pci_dma_read(PCIDevice *dev, dma_addr_t addr,
+ void *buf, dma_addr_t len)
+{
+ return pci_dma_rw(dev, addr, buf, len, DMA_DIRECTION_TO_DEVICE);
+}
+
+static inline int pci_dma_write(PCIDevice *dev, dma_addr_t addr,
+ const void *buf, dma_addr_t len)
+{
+ return pci_dma_rw(dev, addr, (void *) buf, len, DMA_DIRECTION_FROM_DEVICE);
+}
+
+#define PCI_DMA_DEFINE_LDST(_l, _s, _bits) \
+ static inline uint##_bits##_t ld##_l##_pci_dma(PCIDevice *dev, \
+ dma_addr_t addr) \
+ { \
+ return ld##_l##_phys(addr); \
+ } \
+ static inline void st##_s##_pci_dma(PCIDevice *dev, \
+ dma_addr_t addr, uint##_bits##_t val) \
+ { \
+ st##_s##_phys(addr, val); \
+ }
+
+PCI_DMA_DEFINE_LDST(ub, b, 8);
+PCI_DMA_DEFINE_LDST(uw_le, w_le, 16)
+PCI_DMA_DEFINE_LDST(l_le, l_le, 32);
+PCI_DMA_DEFINE_LDST(q_le, q_le, 64);
+PCI_DMA_DEFINE_LDST(uw_be, w_be, 16)
+PCI_DMA_DEFINE_LDST(l_be, l_be, 32);
+PCI_DMA_DEFINE_LDST(q_be, q_be, 64);
+
+#undef PCI_DMA_DEFINE_LDST
+
+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;
+ 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);
+}
+
+static inline void pci_dma_sglist_init(QEMUSGList *qsg, PCIDevice *dev,
+ int alloc_hint)
+{
+ qemu_sglist_init(qsg, alloc_hint);
+}
+
#endif
projects / qemu.git / blobdiff