[qemu.git] / hw / pci.h

#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
#define PCI_DEVICE_ID_INTEL_82557        0x1229

/* 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

/* 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
#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

/* Bits in cap_present field. */
enum {
    QEMU_PCI_CAP_MSIX = 0x1,
};

struct PCIDevice {
    DeviceState qdev;
    /* PCI config space */
    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;
    uint32_t devfn;
    char name[64];
    PCIIORegion io_regions[PCI_NUM_REGIONS];

    /* do not access the following fields */
    PCIConfigReadFunc *config_read;
    PCIConfigWriteFunc *config_write;

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

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

    /* 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;
    /* How much space does an MSIX table need. */
    /* The spec requires giving the table structure
     * a 4K aligned region all by itself. Align it to
     * target pages so that drivers can do passthrough
     * on the rest of the region. */
    target_phys_addr_t msix_page_size;
};

PCIDevice *pci_register_device(PCIBus *bus, const char *name,
                               int instance_size, int devfn,
                               PCIConfigReadFunc *config_read,
                               PCIConfigWriteFunc *config_write);

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,
                              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)(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,
                         void *irq_opaque, int devfn_min, int nirq);

int pci_nic_supported(const char *model);
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);
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(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_config_set_vendor_id(uint8_t *pci_config, uint16_t 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)
{
    pci_set_word(&pci_config[PCI_DEVICE_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);
}

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_noinit(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

/* 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 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,
                            void *pic, int devfn_min, int nirq);

#endif
Commit	Line	Data
87ecb68b PB	1	#ifndef QEMU_PCI_H
	2	#define QEMU_PCI_H
	3
376253ec AL	4	#include "qemu-common.h"
376253ec AL	5
6b1b92d3 PB	6	#include "qdev.h"
6b1b92d3 PB	7
87ecb68b PB	8	/* PCI includes legacy ISA access. */
	9	#include "isa.h"
	10
	11	/* PCI bus */
	12
c227f099	13	extern target_phys_addr_t pci_mem_base;
87ecb68b	14
3ae80618 AL	15	#define PCI_DEVFN(slot, func) ((((slot) & 0x1f) << 3) \| ((func) & 0x07))
	16	#define PCI_SLOT(devfn) (((devfn) >> 3) & 0x1f)
	17	#define PCI_FUNC(devfn) ((devfn) & 0x07)
	18
a770dc7e AL	19	/* Class, Vendor and Device IDs from Linux's pci_ids.h */
a770dc7e AL	20	#include "pci_ids.h"
173a543b	21
a770dc7e	22	/* QEMU-specific Vendor and Device ID definitions */
6f338c34	23
a770dc7e AL	24	/* IBM (0x1014) */
a770dc7e AL	25	#define PCI_DEVICE_ID_IBM_440GX 0x027f
4ebcf884	26	#define PCI_DEVICE_ID_IBM_OPENPIC2 0xffff
deb54399	27
a770dc7e	28	/* Hitachi (0x1054) */
deb54399	29	#define PCI_VENDOR_ID_HITACHI 0x1054
a770dc7e	30	#define PCI_DEVICE_ID_HITACHI_SH7751R 0x350e
deb54399	31
a770dc7e	32	/* Apple (0x106b) */
4ebcf884 BS	33	#define PCI_DEVICE_ID_APPLE_343S1201 0x0010
	34	#define PCI_DEVICE_ID_APPLE_UNI_N_I_PCI 0x001e
	35	#define PCI_DEVICE_ID_APPLE_UNI_N_PCI 0x001f
4ebcf884	36	#define PCI_DEVICE_ID_APPLE_UNI_N_KEYL 0x0022
a770dc7e	37	#define PCI_DEVICE_ID_APPLE_IPID_USB 0x003f
deb54399	38
a770dc7e AL	39	/* Realtek (0x10ec) */
a770dc7e AL	40	#define PCI_DEVICE_ID_REALTEK_8029 0x8029
deb54399	41
a770dc7e AL	42	/* Xilinx (0x10ee) */
a770dc7e AL	43	#define PCI_DEVICE_ID_XILINX_XC2VP30 0x0300
deb54399	44
a770dc7e AL	45	/* Marvell (0x11ab) */
a770dc7e AL	46	#define PCI_DEVICE_ID_MARVELL_GT6412X 0x4620
deb54399	47
a770dc7e	48	/* QEMU/Bochs VGA (0x1234) */
4ebcf884 BS	49	#define PCI_VENDOR_ID_QEMU 0x1234
	50	#define PCI_DEVICE_ID_QEMU_VGA 0x1111
	51
a770dc7e	52	/* VMWare (0x15ad) */
deb54399 AL	53	#define PCI_VENDOR_ID_VMWARE 0x15ad
	54	#define PCI_DEVICE_ID_VMWARE_SVGA2 0x0405
	55	#define PCI_DEVICE_ID_VMWARE_SVGA 0x0710
	56	#define PCI_DEVICE_ID_VMWARE_NET 0x0720
	57	#define PCI_DEVICE_ID_VMWARE_SCSI 0x0730
	58	#define PCI_DEVICE_ID_VMWARE_IDE 0x1729
	59
cef3017c	60	/* Intel (0x8086) */
a770dc7e	61	#define PCI_DEVICE_ID_INTEL_82551IT 0x1209
d6fd1e66	62	#define PCI_DEVICE_ID_INTEL_82557 0x1229
74c62ba8	63
deb54399	64	/* Red Hat / Qumranet (for QEMU) -- see pci-ids.txt */
d350d97d AL	65	#define PCI_VENDOR_ID_REDHAT_QUMRANET 0x1af4
	66	#define PCI_SUBVENDOR_ID_REDHAT_QUMRANET 0x1af4
	67	#define PCI_SUBDEVICE_ID_QEMU 0x1100
	68
	69	#define PCI_DEVICE_ID_VIRTIO_NET 0x1000
	70	#define PCI_DEVICE_ID_VIRTIO_BLOCK 0x1001
	71	#define PCI_DEVICE_ID_VIRTIO_BALLOON 0x1002
14d50bef	72	#define PCI_DEVICE_ID_VIRTIO_CONSOLE 0x1003
d350d97d	73
87ecb68b PB	74	typedef void PCIConfigWriteFunc(PCIDevice *pci_dev,
	75	uint32_t address, uint32_t data, int len);
	76	typedef uint32_t PCIConfigReadFunc(PCIDevice *pci_dev,
	77	uint32_t address, int len);
	78	typedef void PCIMapIORegionFunc(PCIDevice *pci_dev, int region_num,
	79	uint32_t addr, uint32_t size, int type);
5851e08c	80	typedef int PCIUnregisterFunc(PCIDevice *pci_dev);
87ecb68b PB	81
	82	#define PCI_ADDRESS_SPACE_MEM 0x00
	83	#define PCI_ADDRESS_SPACE_IO 0x01
	84	#define PCI_ADDRESS_SPACE_MEM_PREFETCH 0x08
	85
	86	typedef struct PCIIORegion {
	87	uint32_t addr; /* current PCI mapping address. -1 means not mapped */
	88	uint32_t size;
	89	uint8_t type;
	90	PCIMapIORegionFunc *map_func;
	91	} PCIIORegion;
	92
	93	#define PCI_ROM_SLOT 6
	94	#define PCI_NUM_REGIONS 7
	95
cef3017c	96	/* Declarations from linux/pci_regs.h */
87ecb68b PB	97	#define PCI_VENDOR_ID 0x00 /* 16 bits */
	98	#define PCI_DEVICE_ID 0x02 /* 16 bits */
	99	#define PCI_COMMAND 0x04 /* 16 bits */
	100	#define PCI_COMMAND_IO 0x1 /* Enable response in I/O space */
	101	#define PCI_COMMAND_MEMORY 0x2 /* Enable response in Memory space */
b7ee1603	102	#define PCI_COMMAND_MASTER 0x4 /* Enable bus master */
cef3017c AL	103	#define PCI_STATUS 0x06 /* 16 bits */
cef3017c AL	104	#define PCI_REVISION_ID 0x08 /* 8 bits */
bd4b65ee	105	#define PCI_CLASS_PROG 0x09 /* Reg. Level Programming Interface */
87ecb68b	106	#define PCI_CLASS_DEVICE 0x0a /* Device class */
b7ee1603 MT	107	#define PCI_CACHE_LINE_SIZE 0x0c /* 8 bits */
b7ee1603 MT	108	#define PCI_LATENCY_TIMER 0x0d /* 8 bits */
cef3017c	109	#define PCI_HEADER_TYPE 0x0e /* 8 bits */
6407f373 IY	110	#define PCI_HEADER_TYPE_NORMAL 0
	111	#define PCI_HEADER_TYPE_BRIDGE 1
	112	#define PCI_HEADER_TYPE_CARDBUS 2
	113	#define PCI_HEADER_TYPE_MULTI_FUNCTION 0x80
b7ee1603 MT	114	#define PCI_BASE_ADDRESS_0 0x10 /* 32 bits */
	115	#define PCI_PRIMARY_BUS 0x18 /* Primary bus number */
	116	#define PCI_SECONDARY_BUS 0x19 /* Secondary bus number */
	117	#define PCI_SEC_STATUS 0x1e /* Secondary status register, only bit 14 used */
cef3017c AL	118	#define PCI_SUBSYSTEM_VENDOR_ID 0x2c /* 16 bits */
cef3017c AL	119	#define PCI_SUBSYSTEM_ID 0x2e /* 16 bits */
b7ee1603	120	#define PCI_CAPABILITY_LIST 0x34 /* Offset of first capability list entry */
87ecb68b PB	121	#define PCI_INTERRUPT_LINE 0x3c /* 8 bits */
	122	#define PCI_INTERRUPT_PIN 0x3d /* 8 bits */
	123	#define PCI_MIN_GNT 0x3e /* 8 bits */
	124	#define PCI_MAX_LAT 0x3f /* 8 bits */
	125
6f4cbd39 MT	126	/* Capability lists */
	127	#define PCI_CAP_LIST_ID 0 /* Capability ID */
	128	#define PCI_CAP_LIST_NEXT 1 /* Next capability in the list */
	129
cef3017c AL	130	#define PCI_REVISION 0x08 /* obsolete, use PCI_REVISION_ID */
	131	#define PCI_SUBVENDOR_ID 0x2c /* obsolete, use PCI_SUBSYSTEM_VENDOR_ID */
	132	#define PCI_SUBDEVICE_ID 0x2e /* obsolete, use PCI_SUBSYSTEM_ID */
	133
8098ed41 AJ	134	/* Bits in the PCI Status Register (PCI 2.3 spec) */
	135	#define PCI_STATUS_RESERVED1 0x007
	136	#define PCI_STATUS_INT_STATUS 0x008
6f4cbd39	137	#define PCI_STATUS_CAP_LIST 0x010
8098ed41 AJ	138	#define PCI_STATUS_66MHZ 0x020
	139	#define PCI_STATUS_RESERVED2 0x040
	140	#define PCI_STATUS_FAST_BACK 0x080
	141	#define PCI_STATUS_DEVSEL 0x600
	142
	143	#define PCI_STATUS_RESERVED_MASK_LO (PCI_STATUS_RESERVED1 \| \
	144	PCI_STATUS_INT_STATUS \| PCI_STATUS_CAPABILITIES \| \
	145	PCI_STATUS_66MHZ \| PCI_STATUS_RESERVED2 \| PCI_STATUS_FAST_BACK)
	146
	147	#define PCI_STATUS_RESERVED_MASK_HI (PCI_STATUS_DEVSEL >> 8)
	148
475dc65f AJ	149	/* Bits in the PCI Command Register (PCI 2.3 spec) */
	150	#define PCI_COMMAND_RESERVED 0xf800
	151
	152	#define PCI_COMMAND_RESERVED_MASK_HI (PCI_COMMAND_RESERVED >> 8)
	153
b7ee1603 MT	154	/* Size of the standard PCI config header */
	155	#define PCI_CONFIG_HEADER_SIZE 0x40
	156	/* Size of the standard PCI config space */
	157	#define PCI_CONFIG_SPACE_SIZE 0x100
	158
02eb84d0 MT	159	/* Bits in cap_present field. */
	160	enum {
	161	QEMU_PCI_CAP_MSIX = 0x1,
	162	};
	163
87ecb68b	164	struct PCIDevice {
6b1b92d3	165	DeviceState qdev;
87ecb68b	166	/* PCI config space */
b7ee1603 MT	167	uint8_t config[PCI_CONFIG_SPACE_SIZE];
b7ee1603 MT	168
bd4b65ee MT	169	/* Used to enable config checks on load. Note that writeable bits are
	170	* never checked even if set in cmask. */
	171	uint8_t cmask[PCI_CONFIG_SPACE_SIZE];
	172
b7ee1603 MT	173	/* Used to implement R/W bytes */
b7ee1603 MT	174	uint8_t wmask[PCI_CONFIG_SPACE_SIZE];
87ecb68b	175
6f4cbd39 MT	176	/* Used to allocate config space for capabilities. */
	177	uint8_t used[PCI_CONFIG_SPACE_SIZE];
	178
87ecb68b PB	179	/* the following fields are read only */
87ecb68b PB	180	PCIBus *bus;
54586bd1	181	uint32_t devfn;
87ecb68b PB	182	char name[64];
	183	PCIIORegion io_regions[PCI_NUM_REGIONS];
	184
	185	/* do not access the following fields */
	186	PCIConfigReadFunc *config_read;
	187	PCIConfigWriteFunc *config_write;
87ecb68b PB	188
	189	/* IRQ objects for the INTA-INTD pins. */
	190	qemu_irq *irq;
	191
	192	/* Current IRQ levels. Used internally by the generic PCI code. */
	193	int irq_state[4];
02eb84d0 MT	194
	195	/* Capability bits */
	196	uint32_t cap_present;
	197
	198	/* Offset of MSI-X capability in config space */
	199	uint8_t msix_cap;
	200
	201	/* MSI-X entries */
	202	int msix_entries_nr;
	203
	204	/* Space to store MSIX table */
	205	uint8_t *msix_table_page;
	206	/* MMIO index used to map MSIX table and pending bit entries. */
	207	int msix_mmio_index;
	208	/* Reference-count for entries actually in use by driver. */
	209	unsigned *msix_entry_used;
	210	/* Region including the MSI-X table */
	211	uint32_t msix_bar_size;
f16c4abf JQ	212	/* Version id needed for VMState */
f16c4abf JQ	213	int32_t version_id;
5e520a7d BS	214	/* How much space does an MSIX table need. */
	215	/* The spec requires giving the table structure
	216	* a 4K aligned region all by itself. Align it to
	217	* target pages so that drivers can do passthrough
	218	* on the rest of the region. */
c227f099	219	target_phys_addr_t msix_page_size;
87ecb68b PB	220	};
	221
	222	PCIDevice pci_register_device(PCIBus bus, const char *name,
	223	int instance_size, int devfn,
	224	PCIConfigReadFunc *config_read,
	225	PCIConfigWriteFunc *config_write);
	226
28c2c264	227	void pci_register_bar(PCIDevice *pci_dev, int region_num,
87ecb68b PB	228	uint32_t size, int type,
	229	PCIMapIORegionFunc *map_func);
	230
6f4cbd39 MT	231	int pci_add_capability(PCIDevice *pci_dev, uint8_t cap_id, uint8_t cap_size);
	232
	233	void pci_del_capability(PCIDevice *pci_dev, uint8_t cap_id, uint8_t cap_size);
	234
	235	void pci_reserve_capability(PCIDevice *pci_dev, uint8_t offset, uint8_t size);
	236
	237	uint8_t pci_find_capability(PCIDevice *pci_dev, uint8_t cap_id);
	238
	239
87ecb68b PB	240	uint32_t pci_default_read_config(PCIDevice *d,
	241	uint32_t address, int len);
	242	void pci_default_write_config(PCIDevice *d,
	243	uint32_t address, uint32_t val, int len);
	244	void pci_device_save(PCIDevice s, QEMUFile f);
	245	int pci_device_load(PCIDevice s, QEMUFile f);
	246
5d4e84c8	247	typedef void (pci_set_irq_fn)(void opaque, int irq_num, int level);
87ecb68b	248	typedef int (pci_map_irq_fn)(PCIDevice pci_dev, int irq_num);
ee995ffb	249	typedef int (pci_hotplug_fn)(PCIDevice pci_dev, int state);
21eea4b3 GH	250	void pci_bus_new_inplace(PCIBus bus, DeviceState parent,
	251	const char *name, int devfn_min);
	252	PCIBus pci_bus_new(DeviceState parent, const char *name, int devfn_min);
	253	void pci_bus_irqs(PCIBus *bus, pci_set_irq_fn set_irq, pci_map_irq_fn map_irq,
	254	void *irq_opaque, int nirq);
ee995ffb	255	void pci_bus_hotplug(PCIBus *bus, pci_hotplug_fn hotplug);
02e2da45 PB	256	PCIBus pci_register_bus(DeviceState parent, const char *name,
02e2da45 PB	257	pci_set_irq_fn set_irq, pci_map_irq_fn map_irq,
5d4e84c8	258	void *irq_opaque, int devfn_min, int nirq);
87ecb68b	259
0148fde5	260	int pci_nic_supported(const char *model);
5607c388 MA	261	PCIDevice pci_nic_init(NICInfo nd, const char *default_model,
5607c388 MA	262	const char *default_devaddr);
87ecb68b PB	263	void pci_data_write(void *opaque, uint32_t addr, uint32_t val, int len);
	264	uint32_t pci_data_read(void *opaque, uint32_t addr, int len);
	265	int pci_bus_num(PCIBus *s);
	266	void pci_for_each_device(int bus_num, void (fn)(PCIDevice d));
3ae80618 AL	267	PCIBus *pci_find_bus(int bus_num);
3ae80618 AL	268	PCIDevice *pci_find_device(int bus_num, int slot, int function);
87ecb68b	269
e9283f8b JK	270	int pci_read_devaddr(Monitor mon, const char addr, int domp, int busp,
e9283f8b JK	271	unsigned *slotp);
880345c4	272
376253ec	273	void pci_info(Monitor *mon);
480b9f24	274	PCIBus pci_bridge_init(PCIBus bus, int devfn, uint16_t vid, uint16_t did,
87ecb68b PB	275	pci_map_irq_fn map_irq, const char *name);
87ecb68b PB	276
64d50b8b MT	277	static inline void
	278	pci_set_byte(uint8_t *config, uint8_t val)
	279	{
	280	*config = val;
	281	}
	282
	283	static inline uint8_t
	284	pci_get_byte(uint8_t *config)
	285	{
	286	return *config;
	287	}
	288
14e12559 MT	289	static inline void
	290	pci_set_word(uint8_t *config, uint16_t val)
	291	{
	292	cpu_to_le16wu((uint16_t *)config, val);
	293	}
	294
	295	static inline uint16_t
	296	pci_get_word(uint8_t *config)
	297	{
	298	return le16_to_cpupu((uint16_t *)config);
	299	}
	300
	301	static inline void
	302	pci_set_long(uint8_t *config, uint32_t val)
	303	{
	304	cpu_to_le32wu((uint32_t *)config, val);
	305	}
	306
	307	static inline uint32_t
	308	pci_get_long(uint8_t *config)
	309	{
	310	return le32_to_cpupu((uint32_t *)config);
	311	}
	312
deb54399 AL	313	static inline void
	314	pci_config_set_vendor_id(uint8_t *pci_config, uint16_t val)
	315	{
14e12559	316	pci_set_word(&pci_config[PCI_VENDOR_ID], val);
deb54399 AL	317	}
	318
	319	static inline void
	320	pci_config_set_device_id(uint8_t *pci_config, uint16_t val)
	321	{
14e12559	322	pci_set_word(&pci_config[PCI_DEVICE_ID], val);
deb54399 AL	323	}
deb54399 AL	324
173a543b BS	325	static inline void
	326	pci_config_set_class(uint8_t *pci_config, uint16_t val)
	327	{
14e12559	328	pci_set_word(&pci_config[PCI_CLASS_DEVICE], val);
173a543b BS	329	}
173a543b BS	330
81a322d4	331	typedef int (pci_qdev_initfn)(PCIDevice dev);
0aab0d3a GH	332	typedef struct {
	333	DeviceInfo qdev;
	334	pci_qdev_initfn init;
e3936fa5	335	PCIUnregisterFunc *exit;
0aab0d3a GH	336	PCIConfigReadFunc *config_read;
	337	PCIConfigWriteFunc *config_write;
	338	} PCIDeviceInfo;
	339
	340	void pci_qdev_register(PCIDeviceInfo *info);
	341	void pci_qdev_register_many(PCIDeviceInfo *info);
6b1b92d3	342
1f5f6638	343	PCIDevice pci_create(const char name, const char *devaddr);
71077c1c	344	PCIDevice pci_create_noinit(PCIBus bus, int devfn, const char *name);
6b1b92d3 PB	345	PCIDevice pci_create_simple(PCIBus bus, int devfn, const char *name);
6b1b92d3 PB	346
87ecb68b	347	/* lsi53c895a.c */
e4bcb14c	348	#define LSI_MAX_DEVS 7
87ecb68b PB	349
87ecb68b PB	350	/* vmware_vga.c */
fbe1b595	351	void pci_vmsvga_init(PCIBus *bus);
87ecb68b PB	352
	353	/* usb-uhci.c */
	354	void usb_uhci_piix3_init(PCIBus *bus, int devfn);
	355	void usb_uhci_piix4_init(PCIBus *bus, int devfn);
	356
	357	/* usb-ohci.c */
5b19d9a2	358	void usb_ohci_init_pci(struct PCIBus *bus, int devfn);
87ecb68b	359
87ecb68b PB	360	/* prep_pci.c */
	361	PCIBus pci_prep_init(qemu_irq pic);
	362
	363	/* apb_pci.c */
c227f099 AL	364	PCIBus *pci_apb_init(target_phys_addr_t special_base,
c227f099 AL	365	target_phys_addr_t mem_base,
c190ea07	366	qemu_irq pic, PCIBus bus2, PCIBus *bus3);
87ecb68b	367
b79e1752 AJ	368	/* sh_pci.c */
b79e1752 AJ	369	PCIBus *sh_pci_register_bus(pci_set_irq_fn set_irq, pci_map_irq_fn map_irq,
5d4e84c8	370	void *pic, int devfn_min, int nirq);
b79e1752	371
87ecb68b	372	#endif