5 #include "exec/memory.h"
6 #include "sysemu/dma.h"
8 /* PCI includes legacy ISA access. */
9 #include "hw/isa/isa.h"
11 #include "hw/pci/pcie.h"
13 extern bool pci_available
;
17 #define PCI_DEVFN(slot, func) ((((slot) & 0x1f) << 3) | ((func) & 0x07))
18 #define PCI_BUS_NUM(x) (((x) >> 8) & 0xff)
19 #define PCI_SLOT(devfn) (((devfn) >> 3) & 0x1f)
20 #define PCI_FUNC(devfn) ((devfn) & 0x07)
21 #define PCI_BUILD_BDF(bus, devfn) ((bus << 8) | (devfn))
22 #define PCI_BUS_MAX 256
23 #define PCI_DEVFN_MAX 256
24 #define PCI_SLOT_MAX 32
25 #define PCI_FUNC_MAX 8
27 /* Class, Vendor and Device IDs from Linux's pci_ids.h */
28 #include "hw/pci/pci_ids.h"
30 /* QEMU-specific Vendor and Device ID definitions */
33 #define PCI_DEVICE_ID_IBM_440GX 0x027f
34 #define PCI_DEVICE_ID_IBM_OPENPIC2 0xffff
36 /* Hitachi (0x1054) */
37 #define PCI_VENDOR_ID_HITACHI 0x1054
38 #define PCI_DEVICE_ID_HITACHI_SH7751R 0x350e
41 #define PCI_DEVICE_ID_APPLE_343S1201 0x0010
42 #define PCI_DEVICE_ID_APPLE_UNI_N_I_PCI 0x001e
43 #define PCI_DEVICE_ID_APPLE_UNI_N_PCI 0x001f
44 #define PCI_DEVICE_ID_APPLE_UNI_N_KEYL 0x0022
45 #define PCI_DEVICE_ID_APPLE_IPID_USB 0x003f
47 /* Realtek (0x10ec) */
48 #define PCI_DEVICE_ID_REALTEK_8029 0x8029
51 #define PCI_DEVICE_ID_XILINX_XC2VP30 0x0300
53 /* Marvell (0x11ab) */
54 #define PCI_DEVICE_ID_MARVELL_GT6412X 0x4620
56 /* QEMU/Bochs VGA (0x1234) */
57 #define PCI_VENDOR_ID_QEMU 0x1234
58 #define PCI_DEVICE_ID_QEMU_VGA 0x1111
61 #define PCI_VENDOR_ID_VMWARE 0x15ad
62 #define PCI_DEVICE_ID_VMWARE_SVGA2 0x0405
63 #define PCI_DEVICE_ID_VMWARE_SVGA 0x0710
64 #define PCI_DEVICE_ID_VMWARE_NET 0x0720
65 #define PCI_DEVICE_ID_VMWARE_SCSI 0x0730
66 #define PCI_DEVICE_ID_VMWARE_PVSCSI 0x07C0
67 #define PCI_DEVICE_ID_VMWARE_IDE 0x1729
68 #define PCI_DEVICE_ID_VMWARE_VMXNET3 0x07B0
71 #define PCI_DEVICE_ID_INTEL_82551IT 0x1209
72 #define PCI_DEVICE_ID_INTEL_82557 0x1229
73 #define PCI_DEVICE_ID_INTEL_82801IR 0x2922
75 /* Red Hat / Qumranet (for QEMU) -- see pci-ids.txt */
76 #define PCI_VENDOR_ID_REDHAT_QUMRANET 0x1af4
77 #define PCI_SUBVENDOR_ID_REDHAT_QUMRANET 0x1af4
78 #define PCI_SUBDEVICE_ID_QEMU 0x1100
80 #define PCI_DEVICE_ID_VIRTIO_NET 0x1000
81 #define PCI_DEVICE_ID_VIRTIO_BLOCK 0x1001
82 #define PCI_DEVICE_ID_VIRTIO_BALLOON 0x1002
83 #define PCI_DEVICE_ID_VIRTIO_CONSOLE 0x1003
84 #define PCI_DEVICE_ID_VIRTIO_SCSI 0x1004
85 #define PCI_DEVICE_ID_VIRTIO_RNG 0x1005
86 #define PCI_DEVICE_ID_VIRTIO_9P 0x1009
87 #define PCI_DEVICE_ID_VIRTIO_VSOCK 0x1012
89 #define PCI_VENDOR_ID_REDHAT 0x1b36
90 #define PCI_DEVICE_ID_REDHAT_BRIDGE 0x0001
91 #define PCI_DEVICE_ID_REDHAT_SERIAL 0x0002
92 #define PCI_DEVICE_ID_REDHAT_SERIAL2 0x0003
93 #define PCI_DEVICE_ID_REDHAT_SERIAL4 0x0004
94 #define PCI_DEVICE_ID_REDHAT_TEST 0x0005
95 #define PCI_DEVICE_ID_REDHAT_ROCKER 0x0006
96 #define PCI_DEVICE_ID_REDHAT_SDHCI 0x0007
97 #define PCI_DEVICE_ID_REDHAT_PCIE_HOST 0x0008
98 #define PCI_DEVICE_ID_REDHAT_PXB 0x0009
99 #define PCI_DEVICE_ID_REDHAT_BRIDGE_SEAT 0x000a
100 #define PCI_DEVICE_ID_REDHAT_PXB_PCIE 0x000b
101 #define PCI_DEVICE_ID_REDHAT_PCIE_RP 0x000c
102 #define PCI_DEVICE_ID_REDHAT_XHCI 0x000d
103 #define PCI_DEVICE_ID_REDHAT_PCIE_BRIDGE 0x000e
104 #define PCI_DEVICE_ID_REDHAT_QXL 0x0100
106 #define FMT_PCIBUS PRIx64
108 typedef uint64_t pcibus_t
;
110 struct PCIHostDeviceAddress
{
114 unsigned int function
;
117 typedef void PCIConfigWriteFunc(PCIDevice
*pci_dev
,
118 uint32_t address
, uint32_t data
, int len
);
119 typedef uint32_t PCIConfigReadFunc(PCIDevice
*pci_dev
,
120 uint32_t address
, int len
);
121 typedef void PCIMapIORegionFunc(PCIDevice
*pci_dev
, int region_num
,
122 pcibus_t addr
, pcibus_t size
, int type
);
123 typedef void PCIUnregisterFunc(PCIDevice
*pci_dev
);
125 typedef struct PCIIORegion
{
126 pcibus_t addr
; /* current PCI mapping address. -1 means not mapped */
127 #define PCI_BAR_UNMAPPED (~(pcibus_t)0)
130 MemoryRegion
*memory
;
131 MemoryRegion
*address_space
;
134 #define PCI_ROM_SLOT 6
135 #define PCI_NUM_REGIONS 7
141 QEMU_PCI_VGA_NUM_REGIONS
,
144 #define QEMU_PCI_VGA_MEM_BASE 0xa0000
145 #define QEMU_PCI_VGA_MEM_SIZE 0x20000
146 #define QEMU_PCI_VGA_IO_LO_BASE 0x3b0
147 #define QEMU_PCI_VGA_IO_LO_SIZE 0xc
148 #define QEMU_PCI_VGA_IO_HI_BASE 0x3c0
149 #define QEMU_PCI_VGA_IO_HI_SIZE 0x20
151 #include "hw/pci/pci_regs.h"
153 /* PCI HEADER_TYPE */
154 #define PCI_HEADER_TYPE_MULTI_FUNCTION 0x80
156 /* Size of the standard PCI config header */
157 #define PCI_CONFIG_HEADER_SIZE 0x40
158 /* Size of the standard PCI config space */
159 #define PCI_CONFIG_SPACE_SIZE 0x100
160 /* Size of the standard PCIe config space: 4KB */
161 #define PCIE_CONFIG_SPACE_SIZE 0x1000
163 #define PCI_NUM_PINS 4 /* A-D */
165 /* Bits in cap_present field. */
167 QEMU_PCI_CAP_MSI
= 0x1,
168 QEMU_PCI_CAP_MSIX
= 0x2,
169 QEMU_PCI_CAP_EXPRESS
= 0x4,
171 /* multifunction capable device */
172 #define QEMU_PCI_CAP_MULTIFUNCTION_BITNR 3
173 QEMU_PCI_CAP_MULTIFUNCTION
= (1 << QEMU_PCI_CAP_MULTIFUNCTION_BITNR
),
175 /* command register SERR bit enabled */
176 #define QEMU_PCI_CAP_SERR_BITNR 4
177 QEMU_PCI_CAP_SERR
= (1 << QEMU_PCI_CAP_SERR_BITNR
),
178 /* Standard hot plug controller. */
179 #define QEMU_PCI_SHPC_BITNR 5
180 QEMU_PCI_CAP_SHPC
= (1 << QEMU_PCI_SHPC_BITNR
),
181 #define QEMU_PCI_SLOTID_BITNR 6
182 QEMU_PCI_CAP_SLOTID
= (1 << QEMU_PCI_SLOTID_BITNR
),
183 /* PCI Express capability - Power Controller Present */
184 #define QEMU_PCIE_SLTCAP_PCP_BITNR 7
185 QEMU_PCIE_SLTCAP_PCP
= (1 << QEMU_PCIE_SLTCAP_PCP_BITNR
),
186 /* Link active status in endpoint capability is always set */
187 #define QEMU_PCIE_LNKSTA_DLLLA_BITNR 8
188 QEMU_PCIE_LNKSTA_DLLLA
= (1 << QEMU_PCIE_LNKSTA_DLLLA_BITNR
),
189 #define QEMU_PCIE_EXTCAP_INIT_BITNR 9
190 QEMU_PCIE_EXTCAP_INIT
= (1 << QEMU_PCIE_EXTCAP_INIT_BITNR
),
193 #define TYPE_PCI_DEVICE "pci-device"
194 #define PCI_DEVICE(obj) \
195 OBJECT_CHECK(PCIDevice, (obj), TYPE_PCI_DEVICE)
196 #define PCI_DEVICE_CLASS(klass) \
197 OBJECT_CLASS_CHECK(PCIDeviceClass, (klass), TYPE_PCI_DEVICE)
198 #define PCI_DEVICE_GET_CLASS(obj) \
199 OBJECT_GET_CLASS(PCIDeviceClass, (obj), TYPE_PCI_DEVICE)
201 /* Implemented by devices that can be plugged on PCI Express buses */
202 #define INTERFACE_PCIE_DEVICE "pci-express-device"
204 /* Implemented by devices that can be plugged on Conventional PCI buses */
205 #define INTERFACE_CONVENTIONAL_PCI_DEVICE "conventional-pci-device"
207 typedef struct PCIINTxRoute
{
216 typedef struct PCIDeviceClass
{
217 DeviceClass parent_class
;
219 void (*realize
)(PCIDevice
*dev
, Error
**errp
);
220 int (*init
)(PCIDevice
*dev
);/* TODO convert to realize() and remove */
221 PCIUnregisterFunc
*exit
;
222 PCIConfigReadFunc
*config_read
;
223 PCIConfigWriteFunc
*config_write
;
229 uint16_t subsystem_vendor_id
; /* only for header type = 0 */
230 uint16_t subsystem_id
; /* only for header type = 0 */
233 * pci-to-pci bridge or normal device.
234 * This doesn't mean pci host switch.
235 * When card bus bridge is supported, this would be enhanced.
240 int is_express
; /* is this device pci express? */
246 typedef void (*PCIINTxRoutingNotifier
)(PCIDevice
*dev
);
247 typedef int (*MSIVectorUseNotifier
)(PCIDevice
*dev
, unsigned int vector
,
249 typedef void (*MSIVectorReleaseNotifier
)(PCIDevice
*dev
, unsigned int vector
);
250 typedef void (*MSIVectorPollNotifier
)(PCIDevice
*dev
,
251 unsigned int vector_start
,
252 unsigned int vector_end
);
255 PCI_REQ_ID_INVALID
= 0,
257 PCI_REQ_ID_SECONDARY_BUS
,
260 typedef enum PCIReqIDType PCIReqIDType
;
262 struct PCIReqIDCache
{
266 typedef struct PCIReqIDCache PCIReqIDCache
;
271 /* PCI config space */
274 /* Used to enable config checks on load. Note that writable bits are
275 * never checked even if set in cmask. */
278 /* Used to implement R/W bytes */
281 /* Used to implement RW1C(Write 1 to Clear) bytes */
284 /* Used to allocate config space for capabilities. */
287 /* the following fields are read only */
290 /* Cached device to fetch requester ID from, to avoid the PCI
291 * tree walking every time we invoke PCI request (e.g.,
292 * MSI). For conventional PCI root complex, this field is
294 PCIReqIDCache requester_id_cache
;
296 PCIIORegion io_regions
[PCI_NUM_REGIONS
];
297 AddressSpace bus_master_as
;
298 MemoryRegion bus_master_container_region
;
299 MemoryRegion bus_master_enable_region
;
301 /* do not access the following fields */
302 PCIConfigReadFunc
*config_read
;
303 PCIConfigWriteFunc
*config_write
;
305 /* Legacy PCI VGA regions */
306 MemoryRegion
*vga_regions
[QEMU_PCI_VGA_NUM_REGIONS
];
309 /* Current IRQ levels. Used internally by the generic PCI code. */
312 /* Capability bits */
313 uint32_t cap_present
;
315 /* Offset of MSI-X capability in config space */
321 /* Space to store MSIX table & pending bit array */
324 /* MemoryRegion container for msix exclusive BAR setup */
325 MemoryRegion msix_exclusive_bar
;
326 /* Memory Regions for MSIX table and pending bit entries. */
327 MemoryRegion msix_table_mmio
;
328 MemoryRegion msix_pba_mmio
;
329 /* Reference-count for entries actually in use by driver. */
330 unsigned *msix_entry_used
;
331 /* MSIX function mask set or MSIX disabled */
332 bool msix_function_masked
;
333 /* Version id needed for VMState */
336 /* Offset of MSI capability in config space */
340 PCIExpressDevice exp
;
345 /* Location of option rom */
351 /* INTx routing notifier */
352 PCIINTxRoutingNotifier intx_routing_notifier
;
354 /* MSI-X notifiers */
355 MSIVectorUseNotifier msix_vector_use_notifier
;
356 MSIVectorReleaseNotifier msix_vector_release_notifier
;
357 MSIVectorPollNotifier msix_vector_poll_notifier
;
360 void pci_register_bar(PCIDevice
*pci_dev
, int region_num
,
361 uint8_t attr
, MemoryRegion
*memory
);
362 void pci_register_vga(PCIDevice
*pci_dev
, MemoryRegion
*mem
,
363 MemoryRegion
*io_lo
, MemoryRegion
*io_hi
);
364 void pci_unregister_vga(PCIDevice
*pci_dev
);
365 pcibus_t
pci_get_bar_addr(PCIDevice
*pci_dev
, int region_num
);
367 int pci_add_capability(PCIDevice
*pdev
, uint8_t cap_id
,
368 uint8_t offset
, uint8_t size
,
371 void pci_del_capability(PCIDevice
*pci_dev
, uint8_t cap_id
, uint8_t cap_size
);
373 uint8_t pci_find_capability(PCIDevice
*pci_dev
, uint8_t cap_id
);
376 uint32_t pci_default_read_config(PCIDevice
*d
,
377 uint32_t address
, int len
);
378 void pci_default_write_config(PCIDevice
*d
,
379 uint32_t address
, uint32_t val
, int len
);
380 void pci_device_save(PCIDevice
*s
, QEMUFile
*f
);
381 int pci_device_load(PCIDevice
*s
, QEMUFile
*f
);
382 MemoryRegion
*pci_address_space(PCIDevice
*dev
);
383 MemoryRegion
*pci_address_space_io(PCIDevice
*dev
);
386 * Should not normally be used by devices. For use by sPAPR target
387 * where QEMU emulates firmware.
389 int pci_bar(PCIDevice
*d
, int reg
);
391 typedef void (*pci_set_irq_fn
)(void *opaque
, int irq_num
, int level
);
392 typedef int (*pci_map_irq_fn
)(PCIDevice
*pci_dev
, int irq_num
);
393 typedef PCIINTxRoute (*pci_route_irq_fn
)(void *opaque
, int pin
);
395 #define TYPE_PCI_BUS "PCI"
396 #define PCI_BUS(obj) OBJECT_CHECK(PCIBus, (obj), TYPE_PCI_BUS)
397 #define PCI_BUS_CLASS(klass) OBJECT_CLASS_CHECK(PCIBusClass, (klass), TYPE_PCI_BUS)
398 #define PCI_BUS_GET_CLASS(obj) OBJECT_GET_CLASS(PCIBusClass, (obj), TYPE_PCI_BUS)
399 #define TYPE_PCIE_BUS "PCIE"
401 bool pci_bus_is_express(PCIBus
*bus
);
402 bool pci_bus_is_root(PCIBus
*bus
);
403 void pci_bus_new_inplace(PCIBus
*bus
, size_t bus_size
, DeviceState
*parent
,
405 MemoryRegion
*address_space_mem
,
406 MemoryRegion
*address_space_io
,
407 uint8_t devfn_min
, const char *typename
);
408 PCIBus
*pci_bus_new(DeviceState
*parent
, const char *name
,
409 MemoryRegion
*address_space_mem
,
410 MemoryRegion
*address_space_io
,
411 uint8_t devfn_min
, const char *typename
);
412 void pci_bus_irqs(PCIBus
*bus
, pci_set_irq_fn set_irq
, pci_map_irq_fn map_irq
,
413 void *irq_opaque
, int nirq
);
414 int pci_bus_get_irq_level(PCIBus
*bus
, int irq_num
);
415 /* 0 <= pin <= 3 0 = INTA, 1 = INTB, 2 = INTC, 3 = INTD */
416 int pci_swizzle_map_irq_fn(PCIDevice
*pci_dev
, int pin
);
417 PCIBus
*pci_register_bus(DeviceState
*parent
, const char *name
,
418 pci_set_irq_fn set_irq
, pci_map_irq_fn map_irq
,
420 MemoryRegion
*address_space_mem
,
421 MemoryRegion
*address_space_io
,
422 uint8_t devfn_min
, int nirq
, const char *typename
);
423 void pci_bus_set_route_irq_fn(PCIBus
*, pci_route_irq_fn
);
424 PCIINTxRoute
pci_device_route_intx_to_irq(PCIDevice
*dev
, int pin
);
425 bool pci_intx_route_changed(PCIINTxRoute
*old
, PCIINTxRoute
*new);
426 void pci_bus_fire_intx_routing_notifier(PCIBus
*bus
);
427 void pci_device_set_intx_routing_notifier(PCIDevice
*dev
,
428 PCIINTxRoutingNotifier notifier
);
429 void pci_device_reset(PCIDevice
*dev
);
431 PCIDevice
*pci_nic_init_nofail(NICInfo
*nd
, PCIBus
*rootbus
,
432 const char *default_model
,
433 const char *default_devaddr
);
435 PCIDevice
*pci_vga_init(PCIBus
*bus
);
437 int pci_bus_num(PCIBus
*s
);
438 int pci_bus_numa_node(PCIBus
*bus
);
439 void pci_for_each_device(PCIBus
*bus
, int bus_num
,
440 void (*fn
)(PCIBus
*bus
, PCIDevice
*d
, void *opaque
),
442 void pci_for_each_device_reverse(PCIBus
*bus
, int bus_num
,
443 void (*fn
)(PCIBus
*bus
, PCIDevice
*d
,
446 void pci_for_each_bus_depth_first(PCIBus
*bus
,
447 void *(*begin
)(PCIBus
*bus
, void *parent_state
),
448 void (*end
)(PCIBus
*bus
, void *state
),
450 PCIDevice
*pci_get_function_0(PCIDevice
*pci_dev
);
452 /* Use this wrapper when specific scan order is not required. */
454 void pci_for_each_bus(PCIBus
*bus
,
455 void (*fn
)(PCIBus
*bus
, void *opaque
),
458 pci_for_each_bus_depth_first(bus
, NULL
, fn
, opaque
);
461 PCIBus
*pci_find_primary_bus(void);
462 PCIBus
*pci_device_root_bus(const PCIDevice
*d
);
463 const char *pci_root_bus_path(PCIDevice
*dev
);
464 PCIDevice
*pci_find_device(PCIBus
*bus
, int bus_num
, uint8_t devfn
);
465 int pci_qdev_find_device(const char *id
, PCIDevice
**pdev
);
466 void pci_bus_get_w64_range(PCIBus
*bus
, Range
*range
);
468 void pci_device_deassert_intx(PCIDevice
*dev
);
470 typedef AddressSpace
*(*PCIIOMMUFunc
)(PCIBus
*, void *, int);
472 AddressSpace
*pci_device_iommu_address_space(PCIDevice
*dev
);
473 void pci_setup_iommu(PCIBus
*bus
, PCIIOMMUFunc fn
, void *opaque
);
476 pci_set_byte(uint8_t *config
, uint8_t val
)
481 static inline uint8_t
482 pci_get_byte(const uint8_t *config
)
488 pci_set_word(uint8_t *config
, uint16_t val
)
490 stw_le_p(config
, val
);
493 static inline uint16_t
494 pci_get_word(const uint8_t *config
)
496 return lduw_le_p(config
);
500 pci_set_long(uint8_t *config
, uint32_t val
)
502 stl_le_p(config
, val
);
505 static inline uint32_t
506 pci_get_long(const uint8_t *config
)
508 return ldl_le_p(config
);
512 * PCI capabilities and/or their fields
513 * are generally DWORD aligned only so
514 * mechanism used by pci_set/get_quad()
515 * must be tolerant to unaligned pointers
519 pci_set_quad(uint8_t *config
, uint64_t val
)
521 stq_le_p(config
, val
);
524 static inline uint64_t
525 pci_get_quad(const uint8_t *config
)
527 return ldq_le_p(config
);
531 pci_config_set_vendor_id(uint8_t *pci_config
, uint16_t val
)
533 pci_set_word(&pci_config
[PCI_VENDOR_ID
], val
);
537 pci_config_set_device_id(uint8_t *pci_config
, uint16_t val
)
539 pci_set_word(&pci_config
[PCI_DEVICE_ID
], val
);
543 pci_config_set_revision(uint8_t *pci_config
, uint8_t val
)
545 pci_set_byte(&pci_config
[PCI_REVISION_ID
], val
);
549 pci_config_set_class(uint8_t *pci_config
, uint16_t val
)
551 pci_set_word(&pci_config
[PCI_CLASS_DEVICE
], val
);
555 pci_config_set_prog_interface(uint8_t *pci_config
, uint8_t val
)
557 pci_set_byte(&pci_config
[PCI_CLASS_PROG
], val
);
561 pci_config_set_interrupt_pin(uint8_t *pci_config
, uint8_t val
)
563 pci_set_byte(&pci_config
[PCI_INTERRUPT_PIN
], val
);
567 * helper functions to do bit mask operation on configuration space.
568 * Just to set bit, use test-and-set and discard returned value.
569 * Just to clear bit, use test-and-clear and discard returned value.
570 * NOTE: They aren't atomic.
572 static inline uint8_t
573 pci_byte_test_and_clear_mask(uint8_t *config
, uint8_t mask
)
575 uint8_t val
= pci_get_byte(config
);
576 pci_set_byte(config
, val
& ~mask
);
580 static inline uint8_t
581 pci_byte_test_and_set_mask(uint8_t *config
, uint8_t mask
)
583 uint8_t val
= pci_get_byte(config
);
584 pci_set_byte(config
, val
| mask
);
588 static inline uint16_t
589 pci_word_test_and_clear_mask(uint8_t *config
, uint16_t mask
)
591 uint16_t val
= pci_get_word(config
);
592 pci_set_word(config
, val
& ~mask
);
596 static inline uint16_t
597 pci_word_test_and_set_mask(uint8_t *config
, uint16_t mask
)
599 uint16_t val
= pci_get_word(config
);
600 pci_set_word(config
, val
| mask
);
604 static inline uint32_t
605 pci_long_test_and_clear_mask(uint8_t *config
, uint32_t mask
)
607 uint32_t val
= pci_get_long(config
);
608 pci_set_long(config
, val
& ~mask
);
612 static inline uint32_t
613 pci_long_test_and_set_mask(uint8_t *config
, uint32_t mask
)
615 uint32_t val
= pci_get_long(config
);
616 pci_set_long(config
, val
| mask
);
620 static inline uint64_t
621 pci_quad_test_and_clear_mask(uint8_t *config
, uint64_t mask
)
623 uint64_t val
= pci_get_quad(config
);
624 pci_set_quad(config
, val
& ~mask
);
628 static inline uint64_t
629 pci_quad_test_and_set_mask(uint8_t *config
, uint64_t mask
)
631 uint64_t val
= pci_get_quad(config
);
632 pci_set_quad(config
, val
| mask
);
636 /* Access a register specified by a mask */
638 pci_set_byte_by_mask(uint8_t *config
, uint8_t mask
, uint8_t reg
)
640 uint8_t val
= pci_get_byte(config
);
641 uint8_t rval
= reg
<< ctz32(mask
);
642 pci_set_byte(config
, (~mask
& val
) | (mask
& rval
));
645 static inline uint8_t
646 pci_get_byte_by_mask(uint8_t *config
, uint8_t mask
)
648 uint8_t val
= pci_get_byte(config
);
649 return (val
& mask
) >> ctz32(mask
);
653 pci_set_word_by_mask(uint8_t *config
, uint16_t mask
, uint16_t reg
)
655 uint16_t val
= pci_get_word(config
);
656 uint16_t rval
= reg
<< ctz32(mask
);
657 pci_set_word(config
, (~mask
& val
) | (mask
& rval
));
660 static inline uint16_t
661 pci_get_word_by_mask(uint8_t *config
, uint16_t mask
)
663 uint16_t val
= pci_get_word(config
);
664 return (val
& mask
) >> ctz32(mask
);
668 pci_set_long_by_mask(uint8_t *config
, uint32_t mask
, uint32_t reg
)
670 uint32_t val
= pci_get_long(config
);
671 uint32_t rval
= reg
<< ctz32(mask
);
672 pci_set_long(config
, (~mask
& val
) | (mask
& rval
));
675 static inline uint32_t
676 pci_get_long_by_mask(uint8_t *config
, uint32_t mask
)
678 uint32_t val
= pci_get_long(config
);
679 return (val
& mask
) >> ctz32(mask
);
683 pci_set_quad_by_mask(uint8_t *config
, uint64_t mask
, uint64_t reg
)
685 uint64_t val
= pci_get_quad(config
);
686 uint64_t rval
= reg
<< ctz32(mask
);
687 pci_set_quad(config
, (~mask
& val
) | (mask
& rval
));
690 static inline uint64_t
691 pci_get_quad_by_mask(uint8_t *config
, uint64_t mask
)
693 uint64_t val
= pci_get_quad(config
);
694 return (val
& mask
) >> ctz32(mask
);
697 PCIDevice
*pci_create_multifunction(PCIBus
*bus
, int devfn
, bool multifunction
,
699 PCIDevice
*pci_create_simple_multifunction(PCIBus
*bus
, int devfn
,
702 PCIDevice
*pci_create(PCIBus
*bus
, int devfn
, const char *name
);
703 PCIDevice
*pci_create_simple(PCIBus
*bus
, int devfn
, const char *name
);
705 void lsi53c895a_create(PCIBus
*bus
);
707 qemu_irq
pci_allocate_irq(PCIDevice
*pci_dev
);
708 void pci_set_irq(PCIDevice
*pci_dev
, int level
);
710 static inline void pci_irq_assert(PCIDevice
*pci_dev
)
712 pci_set_irq(pci_dev
, 1);
715 static inline void pci_irq_deassert(PCIDevice
*pci_dev
)
717 pci_set_irq(pci_dev
, 0);
721 * FIXME: PCI does not work this way.
722 * All the callers to this method should be fixed.
724 static inline void pci_irq_pulse(PCIDevice
*pci_dev
)
726 pci_irq_assert(pci_dev
);
727 pci_irq_deassert(pci_dev
);
730 static inline int pci_is_express(const PCIDevice
*d
)
732 return d
->cap_present
& QEMU_PCI_CAP_EXPRESS
;
735 static inline uint32_t pci_config_size(const PCIDevice
*d
)
737 return pci_is_express(d
) ? PCIE_CONFIG_SPACE_SIZE
: PCI_CONFIG_SPACE_SIZE
;
740 static inline uint16_t pci_get_bdf(PCIDevice
*dev
)
742 return PCI_BUILD_BDF(pci_bus_num(dev
->bus
), dev
->devfn
);
745 uint16_t pci_requester_id(PCIDevice
*dev
);
747 /* DMA access functions */
748 static inline AddressSpace
*pci_get_address_space(PCIDevice
*dev
)
750 return &dev
->bus_master_as
;
753 static inline int pci_dma_rw(PCIDevice
*dev
, dma_addr_t addr
,
754 void *buf
, dma_addr_t len
, DMADirection dir
)
756 dma_memory_rw(pci_get_address_space(dev
), addr
, buf
, len
, dir
);
760 static inline int pci_dma_read(PCIDevice
*dev
, dma_addr_t addr
,
761 void *buf
, dma_addr_t len
)
763 return pci_dma_rw(dev
, addr
, buf
, len
, DMA_DIRECTION_TO_DEVICE
);
766 static inline int pci_dma_write(PCIDevice
*dev
, dma_addr_t addr
,
767 const void *buf
, dma_addr_t len
)
769 return pci_dma_rw(dev
, addr
, (void *) buf
, len
, DMA_DIRECTION_FROM_DEVICE
);
772 #define PCI_DMA_DEFINE_LDST(_l, _s, _bits) \
773 static inline uint##_bits##_t ld##_l##_pci_dma(PCIDevice *dev, \
776 return ld##_l##_dma(pci_get_address_space(dev), addr); \
778 static inline void st##_s##_pci_dma(PCIDevice *dev, \
779 dma_addr_t addr, uint##_bits##_t val) \
781 st##_s##_dma(pci_get_address_space(dev), addr, val); \
784 PCI_DMA_DEFINE_LDST(ub
, b
, 8);
785 PCI_DMA_DEFINE_LDST(uw_le
, w_le
, 16)
786 PCI_DMA_DEFINE_LDST(l_le
, l_le
, 32);
787 PCI_DMA_DEFINE_LDST(q_le
, q_le
, 64);
788 PCI_DMA_DEFINE_LDST(uw_be
, w_be
, 16)
789 PCI_DMA_DEFINE_LDST(l_be
, l_be
, 32);
790 PCI_DMA_DEFINE_LDST(q_be
, q_be
, 64);
792 #undef PCI_DMA_DEFINE_LDST
794 static inline void *pci_dma_map(PCIDevice
*dev
, dma_addr_t addr
,
795 dma_addr_t
*plen
, DMADirection dir
)
799 buf
= dma_memory_map(pci_get_address_space(dev
), addr
, plen
, dir
);
803 static inline void pci_dma_unmap(PCIDevice
*dev
, void *buffer
, dma_addr_t len
,
804 DMADirection dir
, dma_addr_t access_len
)
806 dma_memory_unmap(pci_get_address_space(dev
), buffer
, len
, dir
, access_len
);
809 static inline void pci_dma_sglist_init(QEMUSGList
*qsg
, PCIDevice
*dev
,
812 qemu_sglist_init(qsg
, DEVICE(dev
), alloc_hint
, pci_get_address_space(dev
));
815 extern const VMStateDescription vmstate_pci_device
;
817 #define VMSTATE_PCI_DEVICE(_field, _state) { \
818 .name = (stringify(_field)), \
819 .size = sizeof(PCIDevice), \
820 .vmsd = &vmstate_pci_device, \
821 .flags = VMS_STRUCT, \
822 .offset = vmstate_offset_value(_state, _field, PCIDevice), \
825 #define VMSTATE_PCI_DEVICE_POINTER(_field, _state) { \
826 .name = (stringify(_field)), \
827 .size = sizeof(PCIDevice), \
828 .vmsd = &vmstate_pci_device, \
829 .flags = VMS_STRUCT|VMS_POINTER, \
830 .offset = vmstate_offset_pointer(_state, _field, PCIDevice), \
833 MSIMessage
pci_get_msi_message(PCIDevice
*dev
, int vector
);