hw/pci.h - qemu - Git at Google

 #ifndef QEMU_PCI_H
 #define QEMU_PCI_H

 #include "qemu-common.h"

 #include "qdev.h"

 /* PCI includes legacy ISA access.  */
 #include "isa.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)

 /* Class, Vendor and Device IDs from Linux's pci_ids.h */
 #include "pci_ids.h"

 /* QEMU-specific Vendor and Device ID definitions */

 /* IBM (0x1014) */
 #define PCI_DEVICE_ID_IBM_440GX          0x027f
 #define PCI_DEVICE_ID_IBM_OPENPIC2       0xffff

 /* Hitachi (0x1054) */
 #define PCI_VENDOR_ID_HITACHI            0x1054
 #define PCI_DEVICE_ID_HITACHI_SH7751R    0x350e

 /* Apple (0x106b) */
 #define PCI_DEVICE_ID_APPLE_343S1201     0x0010
 #define PCI_DEVICE_ID_APPLE_UNI_N_I_PCI  0x001e
 #define PCI_DEVICE_ID_APPLE_UNI_N_PCI    0x001f
 #define PCI_DEVICE_ID_APPLE_UNI_N_KEYL   0x0022
 #define PCI_DEVICE_ID_APPLE_IPID_USB     0x003f

 /* Realtek (0x10ec) */
 #define PCI_DEVICE_ID_REALTEK_8029       0x8029

 /* Xilinx (0x10ee) */
 #define PCI_DEVICE_ID_XILINX_XC2VP30     0x0300

 /* Marvell (0x11ab) */
 #define PCI_DEVICE_ID_MARVELL_GT6412X    0x4620

 /* QEMU/Bochs VGA (0x1234) */
 #define PCI_VENDOR_ID_QEMU               0x1234
 #define PCI_DEVICE_ID_QEMU_VGA           0x1111

 /* VMWare (0x15ad) */
 #define PCI_VENDOR_ID_VMWARE             0x15ad
 #define PCI_DEVICE_ID_VMWARE_SVGA2       0x0405
 #define PCI_DEVICE_ID_VMWARE_SVGA        0x0710
 #define PCI_DEVICE_ID_VMWARE_NET         0x0720
 #define PCI_DEVICE_ID_VMWARE_SCSI        0x0730
 #define PCI_DEVICE_ID_VMWARE_IDE         0x1729

 /* Intel (0x8086) */
 #define PCI_DEVICE_ID_INTEL_82551IT      0x1209

 /* Red Hat / Qumranet (for QEMU) -- see pci-ids.txt */
 #define PCI_VENDOR_ID_REDHAT_QUMRANET    0x1af4
 #define PCI_SUBVENDOR_ID_REDHAT_QUMRANET 0x1af4
 #define PCI_SUBDEVICE_ID_QEMU            0x1100

 #define PCI_DEVICE_ID_VIRTIO_NET         0x1000
 #define PCI_DEVICE_ID_VIRTIO_BLOCK       0x1001
 #define PCI_DEVICE_ID_VIRTIO_BALLOON     0x1002
 #define PCI_DEVICE_ID_VIRTIO_CONSOLE     0x1003

 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);
 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;
     uint8_t type;
     PCIMapIORegionFunc *map_func;
 } PCIIORegion;

 #define PCI_ROM_SLOT 6
 #define PCI_NUM_REGIONS 7

 #define PCI_DEVICES_MAX 64

 /* 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_STATUS              0x06    /* 16 bits */
 #define PCI_REVISION_ID         0x08    /* 8 bits  */
 #define PCI_CLASS_DEVICE        0x0a    /* Device class */
 #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_SUBSYSTEM_VENDOR_ID 0x2c    /* 16 bits */
 #define PCI_SUBSYSTEM_ID        0x2e    /* 16 bits */
 #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 */

 #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_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)

 struct PCIDevice {
     DeviceState qdev;
     /* PCI config space */
     uint8_t config[256];

     /* the following fields are read only */
     PCIBus *bus;
     int devfn;
     char name[64];
     PCIIORegion io_regions[PCI_NUM_REGIONS];

     /* do not access the following fields */
     PCIConfigReadFunc *config_read;
     PCIConfigWriteFunc *config_write;
     PCIUnregisterFunc *unregister;
     /* ??? This is a PC-specific hack, and should be removed.  */
     int irq_index;

     /* IRQ objects for the INTA-INTD pins.  */
     qemu_irq *irq;

     /* Current IRQ levels.  Used internally by the generic PCI code.  */
     int irq_state[4];
 };

 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_io_region(PCIDevice *pci_dev, int region_num,
                             uint32_t size, int type,
                             PCIMapIORegionFunc *map_func);

 uint32_t pci_default_read_config(PCIDevice *d,
                                  uint32_t address, int len);
 void pci_default_write_config(PCIDevice *d,
                               uint32_t address, uint32_t val, int len);
 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 int (*pci_map_irq_fn)(PCIDevice *pci_dev, int irq_num);
 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);

 PCIDevice *pci_nic_init(PCIBus *bus, NICInfo *nd, int devfn,
                   const char *default_model);
 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);

 int pci_read_devaddr(const char *addr, int *domp, int *busp, unsigned *slotp);
 int pci_assign_devaddr(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_config_set_vendor_id(uint8_t *pci_config, uint16_t val)
 {
     cpu_to_le16wu((uint16_t *)&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);
 }

 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);
 }

 typedef void (*pci_qdev_initfn)(PCIDevice *dev);
 void pci_qdev_register(const char *name, int size, pci_qdev_initfn init);

 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);

 /* usb-uhci.c */
 void usb_uhci_piix3_init(PCIBus *bus, int devfn);
 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);

 /* prep_pci.c */
 PCIBus *pci_prep_init(qemu_irq *pic);

 /* 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);

 /* 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);

 #endif
	#ifndef QEMU_PCI_H
	#define QEMU_PCI_H

	#include "qemu-common.h"

	#include "qdev.h"

	/* PCI includes legacy ISA access. */
	#include "isa.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)

	/* Class, Vendor and Device IDs from Linux's pci_ids.h */
	#include "pci_ids.h"

	/* QEMU-specific Vendor and Device ID definitions */

	/* IBM (0x1014) */
	#define PCI_DEVICE_ID_IBM_440GX 0x027f
	#define PCI_DEVICE_ID_IBM_OPENPIC2 0xffff

	/* Hitachi (0x1054) */
	#define PCI_VENDOR_ID_HITACHI 0x1054
	#define PCI_DEVICE_ID_HITACHI_SH7751R 0x350e

	/* Apple (0x106b) */
	#define PCI_DEVICE_ID_APPLE_343S1201 0x0010
	#define PCI_DEVICE_ID_APPLE_UNI_N_I_PCI 0x001e
	#define PCI_DEVICE_ID_APPLE_UNI_N_PCI 0x001f
	#define PCI_DEVICE_ID_APPLE_UNI_N_KEYL 0x0022
	#define PCI_DEVICE_ID_APPLE_IPID_USB 0x003f

	/* Realtek (0x10ec) */
	#define PCI_DEVICE_ID_REALTEK_8029 0x8029

	/* Xilinx (0x10ee) */
	#define PCI_DEVICE_ID_XILINX_XC2VP30 0x0300

	/* Marvell (0x11ab) */
	#define PCI_DEVICE_ID_MARVELL_GT6412X 0x4620

	/* QEMU/Bochs VGA (0x1234) */
	#define PCI_VENDOR_ID_QEMU 0x1234
	#define PCI_DEVICE_ID_QEMU_VGA 0x1111

	/* VMWare (0x15ad) */
	#define PCI_VENDOR_ID_VMWARE 0x15ad
	#define PCI_DEVICE_ID_VMWARE_SVGA2 0x0405
	#define PCI_DEVICE_ID_VMWARE_SVGA 0x0710
	#define PCI_DEVICE_ID_VMWARE_NET 0x0720
	#define PCI_DEVICE_ID_VMWARE_SCSI 0x0730
	#define PCI_DEVICE_ID_VMWARE_IDE 0x1729

	/* Intel (0x8086) */
	#define PCI_DEVICE_ID_INTEL_82551IT 0x1209

	/* Red Hat / Qumranet (for QEMU) -- see pci-ids.txt */
	#define PCI_VENDOR_ID_REDHAT_QUMRANET 0x1af4
	#define PCI_SUBVENDOR_ID_REDHAT_QUMRANET 0x1af4
	#define PCI_SUBDEVICE_ID_QEMU 0x1100

	#define PCI_DEVICE_ID_VIRTIO_NET 0x1000
	#define PCI_DEVICE_ID_VIRTIO_BLOCK 0x1001
	#define PCI_DEVICE_ID_VIRTIO_BALLOON 0x1002
	#define PCI_DEVICE_ID_VIRTIO_CONSOLE 0x1003

	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);
	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;
	uint8_t type;
	PCIMapIORegionFunc *map_func;
	} PCIIORegion;

	#define PCI_ROM_SLOT 6
	#define PCI_NUM_REGIONS 7

	#define PCI_DEVICES_MAX 64

	/* 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_STATUS 0x06 /* 16 bits */
	#define PCI_REVISION_ID 0x08 /* 8 bits */
	#define PCI_CLASS_DEVICE 0x0a /* Device class */
	#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_SUBSYSTEM_VENDOR_ID 0x2c /* 16 bits */
	#define PCI_SUBSYSTEM_ID 0x2e /* 16 bits */
	#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 */

	#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_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)

	struct PCIDevice {
	DeviceState qdev;
	/* PCI config space */
	uint8_t config[256];

	/* the following fields are read only */
	PCIBus *bus;
	int devfn;
	char name[64];
	PCIIORegion io_regions[PCI_NUM_REGIONS];

	/* do not access the following fields */
	PCIConfigReadFunc *config_read;
	PCIConfigWriteFunc *config_write;
	PCIUnregisterFunc *unregister;
	/* ??? This is a PC-specific hack, and should be removed. */
	int irq_index;

	/* IRQ objects for the INTA-INTD pins. */
	qemu_irq *irq;

	/* Current IRQ levels. Used internally by the generic PCI code. */
	int irq_state[4];
	};

	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_io_region(PCIDevice *pci_dev, int region_num,
	uint32_t size, int type,
	PCIMapIORegionFunc *map_func);

	uint32_t pci_default_read_config(PCIDevice *d,
	uint32_t address, int len);
	void pci_default_write_config(PCIDevice *d,
	uint32_t address, uint32_t val, int len);
	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 int (pci_map_irq_fn)(PCIDevice pci_dev, int irq_num);
	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);

	PCIDevice pci_nic_init(PCIBus bus, NICInfo *nd, int devfn,
	const char *default_model);
	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);

	int pci_read_devaddr(const char addr, int domp, int busp, unsigned slotp);
	int pci_assign_devaddr(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_config_set_vendor_id(uint8_t *pci_config, uint16_t val)
	{
	cpu_to_le16wu((uint16_t *)&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);
	}

	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);
	}

	typedef void (pci_qdev_initfn)(PCIDevice dev);
	void pci_qdev_register(const char *name, int size, pci_qdev_initfn init);

	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);

	/* usb-uhci.c */
	void usb_uhci_piix3_init(PCIBus *bus, int devfn);
	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);

	/* prep_pci.c */
	PCIBus pci_prep_init(qemu_irq pic);

	/* 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);

	/* 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);

	#endif