/* Intel (0x8086) */
#define PCI_DEVICE_ID_INTEL_82551IT 0x1209
+#define PCI_DEVICE_ID_INTEL_82557 0x1229
/* Red Hat / Qumranet (for QEMU) -- see pci-ids.txt */
#define PCI_VENDOR_ID_REDHAT_QUMRANET 0x1af4
typedef struct PCIIORegion {
uint32_t addr; /* current PCI mapping address. -1 means not mapped */
+#define PCI_BAR_UNMAPPED (~(uint32_t)0)
uint32_t size;
uint8_t type;
PCIMapIORegionFunc *map_func;
#define PCI_COMMAND 0x04 /* 16 bits */
#define PCI_COMMAND_IO 0x1 /* Enable response in I/O space */
#define PCI_COMMAND_MEMORY 0x2 /* Enable response in Memory space */
+#define PCI_COMMAND_MASTER 0x4 /* Enable bus master */
#define PCI_STATUS 0x06 /* 16 bits */
#define PCI_REVISION_ID 0x08 /* 8 bits */
+#define PCI_CLASS_PROG 0x09 /* Reg. Level Programming Interface */
#define PCI_CLASS_DEVICE 0x0a /* Device class */
+#define PCI_CACHE_LINE_SIZE 0x0c /* 8 bits */
+#define PCI_LATENCY_TIMER 0x0d /* 8 bits */
#define PCI_HEADER_TYPE 0x0e /* 8 bits */
#define PCI_HEADER_TYPE_NORMAL 0
#define PCI_HEADER_TYPE_BRIDGE 1
#define PCI_HEADER_TYPE_CARDBUS 2
#define PCI_HEADER_TYPE_MULTI_FUNCTION 0x80
+#define PCI_BASE_ADDRESS_0 0x10 /* 32 bits */
+#define PCI_PRIMARY_BUS 0x18 /* Primary bus number */
+#define PCI_SECONDARY_BUS 0x19 /* Secondary bus number */
+#define PCI_SEC_STATUS 0x1e /* Secondary status register, only bit 14 used */
#define PCI_SUBSYSTEM_VENDOR_ID 0x2c /* 16 bits */
#define PCI_SUBSYSTEM_ID 0x2e /* 16 bits */
+#define PCI_ROM_ADDRESS 0x30 /* Bits 31..11 are address, 10..1 reserved */
+#define PCI_ROM_ADDRESS_ENABLE 0x01
+#define PCI_CAPABILITY_LIST 0x34 /* Offset of first capability list entry */
#define PCI_INTERRUPT_LINE 0x3c /* 8 bits */
#define PCI_INTERRUPT_PIN 0x3d /* 8 bits */
#define PCI_MIN_GNT 0x3e /* 8 bits */
#define PCI_MAX_LAT 0x3f /* 8 bits */
+/* Capability lists */
+#define PCI_CAP_LIST_ID 0 /* Capability ID */
+#define PCI_CAP_LIST_NEXT 1 /* Next capability in the list */
+
#define PCI_REVISION 0x08 /* obsolete, use PCI_REVISION_ID */
#define PCI_SUBVENDOR_ID 0x2c /* obsolete, use PCI_SUBSYSTEM_VENDOR_ID */
#define PCI_SUBDEVICE_ID 0x2e /* obsolete, use PCI_SUBSYSTEM_ID */
/* Bits in the PCI Status Register (PCI 2.3 spec) */
#define PCI_STATUS_RESERVED1 0x007
#define PCI_STATUS_INT_STATUS 0x008
-#define PCI_STATUS_CAPABILITIES 0x010
+#define PCI_STATUS_CAP_LIST 0x010
#define PCI_STATUS_66MHZ 0x020
#define PCI_STATUS_RESERVED2 0x040
#define PCI_STATUS_FAST_BACK 0x080
#define PCI_COMMAND_RESERVED_MASK_HI (PCI_COMMAND_RESERVED >> 8)
+/* Size of the standard PCI config header */
+#define PCI_CONFIG_HEADER_SIZE 0x40
+/* Size of the standard PCI config space */
+#define PCI_CONFIG_SPACE_SIZE 0x100
+
+#define PCI_NUM_PINS 4 /* A-D */
+
+/* Bits in cap_present field. */
+enum {
+ QEMU_PCI_CAP_MSIX = 0x1,
+};
+
struct PCIDevice {
DeviceState qdev;
/* PCI config space */
- uint8_t config[256];
+ uint8_t config[PCI_CONFIG_SPACE_SIZE];
+
+ /* Used to enable config checks on load. Note that writeable bits are
+ * never checked even if set in cmask. */
+ uint8_t cmask[PCI_CONFIG_SPACE_SIZE];
+
+ /* Used to implement R/W bytes */
+ uint8_t wmask[PCI_CONFIG_SPACE_SIZE];
+
+ /* Used to allocate config space for capabilities. */
+ uint8_t used[PCI_CONFIG_SPACE_SIZE];
/* the following fields are read only */
PCIBus *bus;
- int devfn;
+ uint32_t devfn;
char name[64];
PCIIORegion io_regions[PCI_NUM_REGIONS];
/* do not access the following fields */
PCIConfigReadFunc *config_read;
PCIConfigWriteFunc *config_write;
- PCIUnregisterFunc *unregister;
/* IRQ objects for the INTA-INTD pins. */
qemu_irq *irq;
/* Current IRQ levels. Used internally by the generic PCI code. */
- int irq_state[4];
+ int irq_state[PCI_NUM_PINS];
+
+ /* Capability bits */
+ uint32_t cap_present;
+
+ /* Offset of MSI-X capability in config space */
+ uint8_t msix_cap;
+
+ /* 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. */
+ int msix_mmio_index;
+ /* Reference-count for entries actually in use by driver. */
+ unsigned *msix_entry_used;
+ /* Region including the MSI-X table */
+ uint32_t msix_bar_size;
+ /* Version id needed for VMState */
+ int32_t version_id;
};
PCIDevice *pci_register_device(PCIBus *bus, const char *name,
int instance_size, int devfn,
PCIConfigReadFunc *config_read,
PCIConfigWriteFunc *config_write);
-int pci_unregister_device(PCIDevice *pci_dev);
void pci_register_bar(PCIDevice *pci_dev, int region_num,
uint32_t size, int type,
PCIMapIORegionFunc *map_func);
+int pci_add_capability(PCIDevice *pci_dev, uint8_t cap_id, uint8_t cap_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 pci_default_read_config(PCIDevice *d,
uint32_t address, int len);
void pci_default_write_config(PCIDevice *d,
void pci_device_save(PCIDevice *s, QEMUFile *f);
int pci_device_load(PCIDevice *s, QEMUFile *f);
-typedef void (*pci_set_irq_fn)(qemu_irq *pic, int irq_num, int level);
+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)(PCIDevice *pci_dev, int state);
+void pci_bus_new_inplace(PCIBus *bus, DeviceState *parent,
+ const char *name, int devfn_min);
+PCIBus *pci_bus_new(DeviceState *parent, const char *name, int 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);
+void pci_bus_hotplug(PCIBus *bus, pci_hotplug_fn hotplug);
PCIBus *pci_register_bus(DeviceState *parent, const char *name,
pci_set_irq_fn set_irq, pci_map_irq_fn map_irq,
- qemu_irq *pic, int devfn_min, int nirq);
+ void *irq_opaque, int devfn_min, int nirq);
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,
+ const char *default_devaddr);
void pci_data_write(void *opaque, uint32_t addr, uint32_t val, int len);
uint32_t pci_data_read(void *opaque, uint32_t addr, int len);
int pci_bus_num(PCIBus *s);
void pci_for_each_device(int bus_num, void (*fn)(PCIDevice *d));
PCIBus *pci_find_bus(int bus_num);
PCIDevice *pci_find_device(int bus_num, int slot, int function);
+PCIBus *pci_get_bus_devfn(int *devfnp, const char *devaddr);
-int pci_read_devaddr(const char *addr, int *domp, int *busp, unsigned *slotp);
+int pci_read_devaddr(Monitor *mon, const char *addr, int *domp, int *busp,
+ unsigned *slotp);
void pci_info(Monitor *mon);
PCIBus *pci_bridge_init(PCIBus *bus, int devfn, uint16_t vid, uint16_t did,
pci_map_irq_fn map_irq, const char *name);
+static inline void
+pci_set_byte(uint8_t *config, uint8_t val)
+{
+ *config = val;
+}
+
+static inline uint8_t
+pci_get_byte(uint8_t *config)
+{
+ return *config;
+}
+
+static inline void
+pci_set_word(uint8_t *config, uint16_t val)
+{
+ cpu_to_le16wu((uint16_t *)config, val);
+}
+
+static inline uint16_t
+pci_get_word(uint8_t *config)
+{
+ return le16_to_cpupu((uint16_t *)config);
+}
+
+static inline void
+pci_set_long(uint8_t *config, uint32_t val)
+{
+ cpu_to_le32wu((uint32_t *)config, val);
+}
+
+static inline uint32_t
+pci_get_long(uint8_t *config)
+{
+ return le32_to_cpupu((uint32_t *)config);
+}
+
+static inline void
+pci_set_quad(uint8_t *config, uint64_t val)
+{
+ cpu_to_le64w((uint64_t *)config, val);
+}
+
+static inline uint64_t
+pci_get_quad(uint8_t *config)
+{
+ return le64_to_cpup((uint64_t *)config);
+}
+
static inline void
pci_config_set_vendor_id(uint8_t *pci_config, uint16_t val)
{
- cpu_to_le16wu((uint16_t *)&pci_config[PCI_VENDOR_ID], val);
+ pci_set_word(&pci_config[PCI_VENDOR_ID], val);
}
static inline void
pci_config_set_device_id(uint8_t *pci_config, uint16_t val)
{
- cpu_to_le16wu((uint16_t *)&pci_config[PCI_DEVICE_ID], val);
+ pci_set_word(&pci_config[PCI_DEVICE_ID], val);
}
static inline void
pci_config_set_class(uint8_t *pci_config, uint16_t val)
{
- cpu_to_le16wu((uint16_t *)&pci_config[PCI_CLASS_DEVICE], val);
+ pci_set_word(&pci_config[PCI_CLASS_DEVICE], val);
}
-typedef void (*pci_qdev_initfn)(PCIDevice *dev);
-void pci_qdev_register(const char *name, int size, pci_qdev_initfn init);
+typedef int (*pci_qdev_initfn)(PCIDevice *dev);
+typedef struct {
+ DeviceInfo qdev;
+ pci_qdev_initfn init;
+ PCIUnregisterFunc *exit;
+ PCIConfigReadFunc *config_read;
+ PCIConfigWriteFunc *config_write;
+} PCIDeviceInfo;
+
+void pci_qdev_register(PCIDeviceInfo *info);
+void pci_qdev_register_many(PCIDeviceInfo *info);
-PCIDevice *pci_create(const char *name, const char *devaddr);
+PCIDevice *pci_create(PCIBus *bus, int devfn, const char *name);
PCIDevice *pci_create_simple(PCIBus *bus, int devfn, const char *name);
/* lsi53c895a.c */
#define LSI_MAX_DEVS 7
-void lsi_scsi_attach(DeviceState *host, BlockDriverState *bd, int id);
/* vmware_vga.c */
void pci_vmsvga_init(PCIBus *bus);
void usb_uhci_piix4_init(PCIBus *bus, int devfn);
/* usb-ohci.c */
-void usb_ohci_init_pci(struct PCIBus *bus, int num_ports, int devfn);
+void usb_ohci_init_pci(struct PCIBus *bus, int devfn);
/* prep_pci.c */
PCIBus *pci_prep_init(qemu_irq *pic);
/* sh_pci.c */
PCIBus *sh_pci_register_bus(pci_set_irq_fn set_irq, pci_map_irq_fn map_irq,
- qemu_irq *pic, int devfn_min, int nirq);
+ void *pic, int devfn_min, int nirq);
#endif