#define QEMU_PCI_H
#include "qemu-common.h"
+#include "qobject.h"
#include "qdev.h"
/* PCI bus */
-extern target_phys_addr_t pci_mem_base;
-
#define PCI_DEVFN(slot, func) ((((slot) & 0x1f) << 3) | ((func) & 0x07))
#define PCI_SLOT(devfn) (((devfn) >> 3) & 0x1f)
#define PCI_FUNC(devfn) ((devfn) & 0x07)
#define PCI_DEVICE_ID_VIRTIO_BALLOON 0x1002
#define PCI_DEVICE_ID_VIRTIO_CONSOLE 0x1003
+#define FMT_PCIBUS PRIx64
+
typedef void PCIConfigWriteFunc(PCIDevice *pci_dev,
uint32_t address, uint32_t data, int len);
typedef uint32_t PCIConfigReadFunc(PCIDevice *pci_dev,
uint32_t address, int len);
typedef void PCIMapIORegionFunc(PCIDevice *pci_dev, int region_num,
- uint32_t addr, uint32_t size, int type);
+ pcibus_t addr, pcibus_t size, int type);
typedef int PCIUnregisterFunc(PCIDevice *pci_dev);
-#define PCI_ADDRESS_SPACE_MEM 0x00
-#define PCI_ADDRESS_SPACE_IO 0x01
-#define PCI_ADDRESS_SPACE_MEM_PREFETCH 0x08
-
typedef struct PCIIORegion {
- uint32_t addr; /* current PCI mapping address. -1 means not mapped */
- uint32_t size;
+ 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;
} PCIIORegion;
#define PCI_ROM_SLOT 6
#define PCI_NUM_REGIONS 7
-/* Declarations from linux/pci_regs.h */
-#define PCI_VENDOR_ID 0x00 /* 16 bits */
-#define PCI_DEVICE_ID 0x02 /* 16 bits */
-#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
+#include "pci_regs.h"
+
+/* PCI HEADER_TYPE */
#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_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_CAP_LIST 0x010
-#define PCI_STATUS_66MHZ 0x020
-#define PCI_STATUS_RESERVED2 0x040
-#define PCI_STATUS_FAST_BACK 0x080
-#define PCI_STATUS_DEVSEL 0x600
-
-#define PCI_STATUS_RESERVED_MASK_LO (PCI_STATUS_RESERVED1 | \
- PCI_STATUS_INT_STATUS | PCI_STATUS_CAPABILITIES | \
- PCI_STATUS_66MHZ | PCI_STATUS_RESERVED2 | PCI_STATUS_FAST_BACK)
-
-#define PCI_STATUS_RESERVED_MASK_HI (PCI_STATUS_DEVSEL >> 8)
-
-/* Bits in the PCI Command Register (PCI 2.3 spec) */
-#define PCI_COMMAND_RESERVED 0xf800
-
-#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
+/* Size of the standart PCIe config space: 4KB */
+#define PCIE_CONFIG_SPACE_SIZE 0x1000
+
+#define PCI_NUM_PINS 4 /* A-D */
/* Bits in cap_present field. */
enum {
QEMU_PCI_CAP_MSIX = 0x1,
+ QEMU_PCI_CAP_EXPRESS = 0x2,
};
struct PCIDevice {
DeviceState qdev;
/* PCI config space */
- uint8_t config[PCI_CONFIG_SPACE_SIZE];
+ uint8_t *config;
/* 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];
+ uint8_t *cmask;
/* Used to implement R/W bytes */
- uint8_t wmask[PCI_CONFIG_SPACE_SIZE];
+ uint8_t *wmask;
/* Used to allocate config space for capabilities. */
- uint8_t used[PCI_CONFIG_SPACE_SIZE];
+ uint8_t *used;
/* the following fields are read only */
PCIBus *bus;
/* 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];
+ uint8_t irq_state;
/* Capability bits */
uint32_t cap_present;
uint32_t msix_bar_size;
/* Version id needed for VMState */
int32_t version_id;
+
+ /* Location of option rom */
+ char *romfile;
+ ram_addr_t rom_offset;
+ uint32_t rom_bar;
};
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,
+ pcibus_t size, int type,
PCIMapIORegionFunc *map_func);
int pci_add_capability(PCIDevice *pci_dev, uint8_t cap_id, uint8_t cap_size);
+int pci_add_capability_at_offset(PCIDevice *pci_dev, uint8_t cap_id,
+ uint8_t cap_offset, uint8_t cap_size);
void pci_del_capability(PCIDevice *pci_dev, uint8_t cap_id, uint8_t cap_size);
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, 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, 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, int devfn_min, int nirq);
+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);
-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);
+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(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);
+void pci_for_each_device(PCIBus *bus, int bus_num, void (*fn)(PCIBus *bus, PCIDevice *d));
+PCIBus *pci_find_root_bus(int domain);
+PCIBus *pci_find_bus(PCIBus *bus, int bus_num);
+PCIDevice *pci_find_device(PCIBus *bus, int bus_num, int slot, int function);
+PCIBus *pci_get_bus_devfn(int *devfnp, const char *devaddr);
int pci_read_devaddr(Monitor *mon, const char *addr, int *domp, int *busp,
unsigned *slotp);
-void pci_info(Monitor *mon);
+void do_pci_info_print(Monitor *mon, const QObject *data);
+void do_pci_info(Monitor *mon, QObject **ret_data);
PCIBus *pci_bridge_init(PCIBus *bus, int devfn, uint16_t vid, uint16_t did,
pci_map_irq_fn map_irq, const char *name);
+PCIDevice *pci_bridge_get_device(PCIBus *bus);
static inline void
pci_set_byte(uint8_t *config, uint8_t val)
}
static inline uint8_t
-pci_get_byte(uint8_t *config)
+pci_get_byte(const uint8_t *config)
{
return *config;
}
}
static inline uint16_t
-pci_get_word(uint8_t *config)
+pci_get_word(const uint8_t *config)
{
- return le16_to_cpupu((uint16_t *)config);
+ return le16_to_cpupu((const uint16_t *)config);
}
static inline void
}
static inline uint32_t
-pci_get_long(uint8_t *config)
+pci_get_long(const uint8_t *config)
+{
+ return le32_to_cpupu((const uint32_t *)config);
+}
+
+static inline void
+pci_set_quad(uint8_t *config, uint64_t val)
{
- return le32_to_cpupu((uint32_t *)config);
+ cpu_to_le64w((uint64_t *)config, val);
+}
+
+static inline uint64_t
+pci_get_quad(const uint8_t *config)
+{
+ return le64_to_cpup((const uint64_t *)config);
}
static inline void
pci_set_word(&pci_config[PCI_DEVICE_ID], val);
}
+static inline void
+pci_config_set_revision(uint8_t *pci_config, uint8_t val)
+{
+ pci_set_byte(&pci_config[PCI_REVISION_ID], val);
+}
+
static inline void
pci_config_set_class(uint8_t *pci_config, uint16_t val)
{
pci_set_word(&pci_config[PCI_CLASS_DEVICE], val);
}
+static inline void
+pci_config_set_prog_interface(uint8_t *pci_config, uint8_t val)
+{
+ pci_set_byte(&pci_config[PCI_CLASS_PROG], val);
+}
+
+static inline void
+pci_config_set_interrupt_pin(uint8_t *pci_config, uint8_t val)
+{
+ pci_set_byte(&pci_config[PCI_INTERRUPT_PIN], val);
+}
+
typedef int (*pci_qdev_initfn)(PCIDevice *dev);
typedef struct {
DeviceInfo qdev;
pci_qdev_initfn init;
+ PCIUnregisterFunc *exit;
PCIConfigReadFunc *config_read;
PCIConfigWriteFunc *config_write;
+
+ /* pci config header type */
+ uint8_t header_type;
+
+ /* pcie stuff */
+ int is_express; /* is this device pci express? */
+
+ /* rom bar */
+ const char *romfile;
} 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
+static inline int pci_is_express(const PCIDevice *d)
+{
+ return d->cap_present & QEMU_PCI_CAP_EXPRESS;
+}
-/* vmware_vga.c */
-void pci_vmsvga_init(PCIBus *bus);
+static inline uint32_t pci_config_size(const PCIDevice *d)
+{
+ return pci_is_express(d) ? PCIE_CONFIG_SPACE_SIZE : PCI_CONFIG_SPACE_SIZE;
+}
-/* usb-uhci.c */
-void usb_uhci_piix3_init(PCIBus *bus, int devfn);
-void usb_uhci_piix4_init(PCIBus *bus, int devfn);
+/* These are not pci specific. Should move into a separate header.
+ * Only pci.c uses them, so keep them here for now.
+ */
-/* usb-ohci.c */
-void usb_ohci_init_pci(struct PCIBus *bus, int devfn);
+/* Get last byte of a range from offset + length.
+ * Undefined for ranges that wrap around 0. */
+static inline uint64_t range_get_last(uint64_t offset, uint64_t len)
+{
+ return offset + len - 1;
+}
-/* prep_pci.c */
-PCIBus *pci_prep_init(qemu_irq *pic);
+/* Check whether a given range covers a given byte. */
+static inline int range_covers_byte(uint64_t offset, uint64_t len,
+ uint64_t byte)
+{
+ return offset <= byte && byte <= range_get_last(offset, len);
+}
-/* apb_pci.c */
-PCIBus *pci_apb_init(target_phys_addr_t special_base,
- target_phys_addr_t mem_base,
- qemu_irq *pic, PCIBus **bus2, PCIBus **bus3);
+/* Check whether 2 given ranges overlap.
+ * Undefined if ranges that wrap around 0. */
+static inline int ranges_overlap(uint64_t first1, uint64_t len1,
+ uint64_t first2, uint64_t len2)
+{
+ uint64_t last1 = range_get_last(first1, len1);
+ uint64_t last2 = range_get_last(first2, len2);
-/* sh_pci.c */
-PCIBus *sh_pci_register_bus(pci_set_irq_fn set_irq, pci_map_irq_fn map_irq,
- void *pic, int devfn_min, int nirq);
+ return !(last2 < first1 || last1 < first2);
+}
#endif
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