[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

/* 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;
    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;

    /* 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;
};

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

PCIDevice *pci_create(const char *name, const char *devaddr);
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
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
	13	extern target_phys_addr_t pci_mem_base;
	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
74c62ba8	62
deb54399	63	/* Red Hat / Qumranet (for QEMU) -- see pci-ids.txt */
d350d97d AL	64	#define PCI_VENDOR_ID_REDHAT_QUMRANET 0x1af4
	65	#define PCI_SUBVENDOR_ID_REDHAT_QUMRANET 0x1af4
	66	#define PCI_SUBDEVICE_ID_QEMU 0x1100
	67
	68	#define PCI_DEVICE_ID_VIRTIO_NET 0x1000
	69	#define PCI_DEVICE_ID_VIRTIO_BLOCK 0x1001
	70	#define PCI_DEVICE_ID_VIRTIO_BALLOON 0x1002
14d50bef	71	#define PCI_DEVICE_ID_VIRTIO_CONSOLE 0x1003
d350d97d	72
87ecb68b PB	73	typedef void PCIConfigWriteFunc(PCIDevice *pci_dev,
	74	uint32_t address, uint32_t data, int len);
	75	typedef uint32_t PCIConfigReadFunc(PCIDevice *pci_dev,
	76	uint32_t address, int len);
	77	typedef void PCIMapIORegionFunc(PCIDevice *pci_dev, int region_num,
	78	uint32_t addr, uint32_t size, int type);
5851e08c	79	typedef int PCIUnregisterFunc(PCIDevice *pci_dev);
87ecb68b PB	80
	81	#define PCI_ADDRESS_SPACE_MEM 0x00
	82	#define PCI_ADDRESS_SPACE_IO 0x01
	83	#define PCI_ADDRESS_SPACE_MEM_PREFETCH 0x08
	84
	85	typedef struct PCIIORegion {
	86	uint32_t addr; /* current PCI mapping address. -1 means not mapped */
	87	uint32_t size;
	88	uint8_t type;
	89	PCIMapIORegionFunc *map_func;
	90	} PCIIORegion;
	91
	92	#define PCI_ROM_SLOT 6
	93	#define PCI_NUM_REGIONS 7
	94
cef3017c	95	/* Declarations from linux/pci_regs.h */
87ecb68b PB	96	#define PCI_VENDOR_ID 0x00 /* 16 bits */
	97	#define PCI_DEVICE_ID 0x02 /* 16 bits */
	98	#define PCI_COMMAND 0x04 /* 16 bits */
	99	#define PCI_COMMAND_IO 0x1 /* Enable response in I/O space */
	100	#define PCI_COMMAND_MEMORY 0x2 /* Enable response in Memory space */
b7ee1603	101	#define PCI_COMMAND_MASTER 0x4 /* Enable bus master */
cef3017c AL	102	#define PCI_STATUS 0x06 /* 16 bits */
cef3017c AL	103	#define PCI_REVISION_ID 0x08 /* 8 bits */
bd4b65ee	104	#define PCI_CLASS_PROG 0x09 /* Reg. Level Programming Interface */
87ecb68b	105	#define PCI_CLASS_DEVICE 0x0a /* Device class */
b7ee1603 MT	106	#define PCI_CACHE_LINE_SIZE 0x0c /* 8 bits */
b7ee1603 MT	107	#define PCI_LATENCY_TIMER 0x0d /* 8 bits */
cef3017c	108	#define PCI_HEADER_TYPE 0x0e /* 8 bits */
6407f373 IY	109	#define PCI_HEADER_TYPE_NORMAL 0
	110	#define PCI_HEADER_TYPE_BRIDGE 1
	111	#define PCI_HEADER_TYPE_CARDBUS 2
	112	#define PCI_HEADER_TYPE_MULTI_FUNCTION 0x80
b7ee1603 MT	113	#define PCI_BASE_ADDRESS_0 0x10 /* 32 bits */
	114	#define PCI_PRIMARY_BUS 0x18 /* Primary bus number */
	115	#define PCI_SECONDARY_BUS 0x19 /* Secondary bus number */
	116	#define PCI_SEC_STATUS 0x1e /* Secondary status register, only bit 14 used */
cef3017c AL	117	#define PCI_SUBSYSTEM_VENDOR_ID 0x2c /* 16 bits */
cef3017c AL	118	#define PCI_SUBSYSTEM_ID 0x2e /* 16 bits */
b7ee1603	119	#define PCI_CAPABILITY_LIST 0x34 /* Offset of first capability list entry */
87ecb68b PB	120	#define PCI_INTERRUPT_LINE 0x3c /* 8 bits */
	121	#define PCI_INTERRUPT_PIN 0x3d /* 8 bits */
	122	#define PCI_MIN_GNT 0x3e /* 8 bits */
	123	#define PCI_MAX_LAT 0x3f /* 8 bits */
	124
6f4cbd39 MT	125	/* Capability lists */
	126	#define PCI_CAP_LIST_ID 0 /* Capability ID */
	127	#define PCI_CAP_LIST_NEXT 1 /* Next capability in the list */
	128
cef3017c AL	129	#define PCI_REVISION 0x08 /* obsolete, use PCI_REVISION_ID */
	130	#define PCI_SUBVENDOR_ID 0x2c /* obsolete, use PCI_SUBSYSTEM_VENDOR_ID */
	131	#define PCI_SUBDEVICE_ID 0x2e /* obsolete, use PCI_SUBSYSTEM_ID */
	132
8098ed41 AJ	133	/* Bits in the PCI Status Register (PCI 2.3 spec) */
	134	#define PCI_STATUS_RESERVED1 0x007
	135	#define PCI_STATUS_INT_STATUS 0x008
6f4cbd39	136	#define PCI_STATUS_CAP_LIST 0x010
8098ed41 AJ	137	#define PCI_STATUS_66MHZ 0x020
	138	#define PCI_STATUS_RESERVED2 0x040
	139	#define PCI_STATUS_FAST_BACK 0x080
	140	#define PCI_STATUS_DEVSEL 0x600
	141
	142	#define PCI_STATUS_RESERVED_MASK_LO (PCI_STATUS_RESERVED1 \| \
	143	PCI_STATUS_INT_STATUS \| PCI_STATUS_CAPABILITIES \| \
	144	PCI_STATUS_66MHZ \| PCI_STATUS_RESERVED2 \| PCI_STATUS_FAST_BACK)
	145
	146	#define PCI_STATUS_RESERVED_MASK_HI (PCI_STATUS_DEVSEL >> 8)
	147
475dc65f AJ	148	/* Bits in the PCI Command Register (PCI 2.3 spec) */
	149	#define PCI_COMMAND_RESERVED 0xf800
	150
	151	#define PCI_COMMAND_RESERVED_MASK_HI (PCI_COMMAND_RESERVED >> 8)
	152
b7ee1603 MT	153	/* Size of the standard PCI config header */
	154	#define PCI_CONFIG_HEADER_SIZE 0x40
	155	/* Size of the standard PCI config space */
	156	#define PCI_CONFIG_SPACE_SIZE 0x100
	157
02eb84d0 MT	158	/* Bits in cap_present field. */
	159	enum {
	160	QEMU_PCI_CAP_MSIX = 0x1,
	161	};
	162
87ecb68b	163	struct PCIDevice {
6b1b92d3	164	DeviceState qdev;
87ecb68b	165	/* PCI config space */
b7ee1603 MT	166	uint8_t config[PCI_CONFIG_SPACE_SIZE];
b7ee1603 MT	167
bd4b65ee MT	168	/* Used to enable config checks on load. Note that writeable bits are
	169	* never checked even if set in cmask. */
	170	uint8_t cmask[PCI_CONFIG_SPACE_SIZE];
	171
b7ee1603 MT	172	/* Used to implement R/W bytes */
b7ee1603 MT	173	uint8_t wmask[PCI_CONFIG_SPACE_SIZE];
87ecb68b	174
6f4cbd39 MT	175	/* Used to allocate config space for capabilities. */
	176	uint8_t used[PCI_CONFIG_SPACE_SIZE];
	177
87ecb68b PB	178	/* the following fields are read only */
	179	PCIBus *bus;
	180	int devfn;
	181	char name[64];
	182	PCIIORegion io_regions[PCI_NUM_REGIONS];
	183
	184	/* do not access the following fields */
	185	PCIConfigReadFunc *config_read;
	186	PCIConfigWriteFunc *config_write;
5851e08c	187	PCIUnregisterFunc *unregister;
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;
87ecb68b PB	212	};
	213
	214	PCIDevice pci_register_device(PCIBus bus, const char *name,
	215	int instance_size, int devfn,
	216	PCIConfigReadFunc *config_read,
	217	PCIConfigWriteFunc *config_write);
5851e08c	218	int pci_unregister_device(PCIDevice *pci_dev);
87ecb68b	219
28c2c264	220	void pci_register_bar(PCIDevice *pci_dev, int region_num,
87ecb68b PB	221	uint32_t size, int type,
	222	PCIMapIORegionFunc *map_func);
	223
6f4cbd39 MT	224	int pci_add_capability(PCIDevice *pci_dev, uint8_t cap_id, uint8_t cap_size);
	225
	226	void pci_del_capability(PCIDevice *pci_dev, uint8_t cap_id, uint8_t cap_size);
	227
	228	void pci_reserve_capability(PCIDevice *pci_dev, uint8_t offset, uint8_t size);
	229
	230	uint8_t pci_find_capability(PCIDevice *pci_dev, uint8_t cap_id);
	231
	232
87ecb68b PB	233	uint32_t pci_default_read_config(PCIDevice *d,
	234	uint32_t address, int len);
	235	void pci_default_write_config(PCIDevice *d,
	236	uint32_t address, uint32_t val, int len);
	237	void pci_device_save(PCIDevice s, QEMUFile f);
	238	int pci_device_load(PCIDevice s, QEMUFile f);
	239
	240	typedef void (pci_set_irq_fn)(qemu_irq pic, int irq_num, int level);
	241	typedef int (pci_map_irq_fn)(PCIDevice pci_dev, int irq_num);
02e2da45 PB	242	PCIBus pci_register_bus(DeviceState parent, const char *name,
02e2da45 PB	243	pci_set_irq_fn set_irq, pci_map_irq_fn map_irq,
87ecb68b PB	244	qemu_irq *pic, int devfn_min, int nirq);
87ecb68b PB	245
5607c388 MA	246	PCIDevice pci_nic_init(NICInfo nd, const char *default_model,
5607c388 MA	247	const char *default_devaddr);
87ecb68b PB	248	void pci_data_write(void *opaque, uint32_t addr, uint32_t val, int len);
	249	uint32_t pci_data_read(void *opaque, uint32_t addr, int len);
	250	int pci_bus_num(PCIBus *s);
	251	void pci_for_each_device(int bus_num, void (fn)(PCIDevice d));
3ae80618 AL	252	PCIBus *pci_find_bus(int bus_num);
3ae80618 AL	253	PCIDevice *pci_find_device(int bus_num, int slot, int function);
87ecb68b	254
880345c4	255	int pci_read_devaddr(const char addr, int domp, int busp, unsigned slotp);
880345c4	256
376253ec	257	void pci_info(Monitor *mon);
480b9f24	258	PCIBus pci_bridge_init(PCIBus bus, int devfn, uint16_t vid, uint16_t did,
87ecb68b PB	259	pci_map_irq_fn map_irq, const char *name);
87ecb68b PB	260
64d50b8b MT	261	static inline void
	262	pci_set_byte(uint8_t *config, uint8_t val)
	263	{
	264	*config = val;
	265	}
	266
	267	static inline uint8_t
	268	pci_get_byte(uint8_t *config)
	269	{
	270	return *config;
	271	}
	272
14e12559 MT	273	static inline void
	274	pci_set_word(uint8_t *config, uint16_t val)
	275	{
	276	cpu_to_le16wu((uint16_t *)config, val);
	277	}
	278
	279	static inline uint16_t
	280	pci_get_word(uint8_t *config)
	281	{
	282	return le16_to_cpupu((uint16_t *)config);
	283	}
	284
	285	static inline void
	286	pci_set_long(uint8_t *config, uint32_t val)
	287	{
	288	cpu_to_le32wu((uint32_t *)config, val);
	289	}
	290
	291	static inline uint32_t
	292	pci_get_long(uint8_t *config)
	293	{
	294	return le32_to_cpupu((uint32_t *)config);
	295	}
	296
deb54399 AL	297	static inline void
	298	pci_config_set_vendor_id(uint8_t *pci_config, uint16_t val)
	299	{
14e12559	300	pci_set_word(&pci_config[PCI_VENDOR_ID], val);
deb54399 AL	301	}
	302
	303	static inline void
	304	pci_config_set_device_id(uint8_t *pci_config, uint16_t val)
	305	{
14e12559	306	pci_set_word(&pci_config[PCI_DEVICE_ID], val);
deb54399 AL	307	}
deb54399 AL	308
173a543b BS	309	static inline void
	310	pci_config_set_class(uint8_t *pci_config, uint16_t val)
	311	{
14e12559	312	pci_set_word(&pci_config[PCI_CLASS_DEVICE], val);
173a543b BS	313	}
173a543b BS	314
6b1b92d3 PB	315	typedef void (pci_qdev_initfn)(PCIDevice dev);
	316	void pci_qdev_register(const char *name, int size, pci_qdev_initfn init);
	317
1f5f6638	318	PCIDevice pci_create(const char name, const char *devaddr);
6b1b92d3 PB	319	PCIDevice pci_create_simple(PCIBus bus, int devfn, const char *name);
6b1b92d3 PB	320
87ecb68b	321	/* lsi53c895a.c */
e4bcb14c	322	#define LSI_MAX_DEVS 7
9be5dafe	323	void lsi_scsi_attach(DeviceState host, BlockDriverState bd, int id);
87ecb68b PB	324
87ecb68b PB	325	/* vmware_vga.c */
fbe1b595	326	void pci_vmsvga_init(PCIBus *bus);
87ecb68b PB	327
	328	/* usb-uhci.c */
	329	void usb_uhci_piix3_init(PCIBus *bus, int devfn);
	330	void usb_uhci_piix4_init(PCIBus *bus, int devfn);
	331
	332	/* usb-ohci.c */
	333	void usb_ohci_init_pci(struct PCIBus *bus, int num_ports, int devfn);
	334
87ecb68b PB	335	/* prep_pci.c */
	336	PCIBus pci_prep_init(qemu_irq pic);
	337
	338	/* apb_pci.c */
c190ea07 BS	339	PCIBus *pci_apb_init(target_phys_addr_t special_base,
	340	target_phys_addr_t mem_base,
	341	qemu_irq pic, PCIBus bus2, PCIBus *bus3);
87ecb68b	342
b79e1752 AJ	343	/* sh_pci.c */
	344	PCIBus *sh_pci_register_bus(pci_set_irq_fn set_irq, pci_map_irq_fn map_irq,
	345	qemu_irq *pic, int devfn_min, int nirq);
	346
87ecb68b	347	#endif