4 #include "qemu-common.h"
9 /* PCI includes legacy ISA access. */
16 #define PCI_DEVFN(slot, func) ((((slot) & 0x1f) << 3) | ((func) & 0x07))
17 #define PCI_SLOT(devfn) (((devfn) >> 3) & 0x1f)
18 #define PCI_FUNC(devfn) ((devfn) & 0x07)
19 #define PCI_FUNC_MAX 8
21 /* Class, Vendor and Device IDs from Linux's pci_ids.h */
24 /* QEMU-specific Vendor and Device ID definitions */
27 #define PCI_DEVICE_ID_IBM_440GX 0x027f
28 #define PCI_DEVICE_ID_IBM_OPENPIC2 0xffff
30 /* Hitachi (0x1054) */
31 #define PCI_VENDOR_ID_HITACHI 0x1054
32 #define PCI_DEVICE_ID_HITACHI_SH7751R 0x350e
35 #define PCI_DEVICE_ID_APPLE_343S1201 0x0010
36 #define PCI_DEVICE_ID_APPLE_UNI_N_I_PCI 0x001e
37 #define PCI_DEVICE_ID_APPLE_UNI_N_PCI 0x001f
38 #define PCI_DEVICE_ID_APPLE_UNI_N_KEYL 0x0022
39 #define PCI_DEVICE_ID_APPLE_IPID_USB 0x003f
41 /* Realtek (0x10ec) */
42 #define PCI_DEVICE_ID_REALTEK_8029 0x8029
45 #define PCI_DEVICE_ID_XILINX_XC2VP30 0x0300
47 /* Marvell (0x11ab) */
48 #define PCI_DEVICE_ID_MARVELL_GT6412X 0x4620
50 /* QEMU/Bochs VGA (0x1234) */
51 #define PCI_VENDOR_ID_QEMU 0x1234
52 #define PCI_DEVICE_ID_QEMU_VGA 0x1111
55 #define PCI_VENDOR_ID_VMWARE 0x15ad
56 #define PCI_DEVICE_ID_VMWARE_SVGA2 0x0405
57 #define PCI_DEVICE_ID_VMWARE_SVGA 0x0710
58 #define PCI_DEVICE_ID_VMWARE_NET 0x0720
59 #define PCI_DEVICE_ID_VMWARE_SCSI 0x0730
60 #define PCI_DEVICE_ID_VMWARE_IDE 0x1729
63 #define PCI_DEVICE_ID_INTEL_82551IT 0x1209
64 #define PCI_DEVICE_ID_INTEL_82557 0x1229
65 #define PCI_DEVICE_ID_INTEL_82801IR 0x2922
67 /* Red Hat / Qumranet (for QEMU) -- see pci-ids.txt */
68 #define PCI_VENDOR_ID_REDHAT_QUMRANET 0x1af4
69 #define PCI_SUBVENDOR_ID_REDHAT_QUMRANET 0x1af4
70 #define PCI_SUBDEVICE_ID_QEMU 0x1100
72 #define PCI_DEVICE_ID_VIRTIO_NET 0x1000
73 #define PCI_DEVICE_ID_VIRTIO_BLOCK 0x1001
74 #define PCI_DEVICE_ID_VIRTIO_BALLOON 0x1002
75 #define PCI_DEVICE_ID_VIRTIO_CONSOLE 0x1003
77 #define FMT_PCIBUS PRIx64
79 typedef void PCIConfigWriteFunc(PCIDevice *pci_dev,
80 uint32_t address, uint32_t data, int len);
81 typedef uint32_t PCIConfigReadFunc(PCIDevice *pci_dev,
82 uint32_t address, int len);
83 typedef void PCIMapIORegionFunc(PCIDevice *pci_dev, int region_num,
84 pcibus_t addr, pcibus_t size, int type);
85 typedef int PCIUnregisterFunc(PCIDevice *pci_dev);
87 typedef struct PCIIORegion {
88 pcibus_t addr; /* current PCI mapping address. -1 means not mapped */
89 #define PCI_BAR_UNMAPPED (~(pcibus_t)0)
91 pcibus_t filtered_size;
93 PCIMapIORegionFunc *map_func;
96 #define PCI_ROM_SLOT 6
97 #define PCI_NUM_REGIONS 7
101 /* PCI HEADER_TYPE */
102 #define PCI_HEADER_TYPE_MULTI_FUNCTION 0x80
104 /* Size of the standard PCI config header */
105 #define PCI_CONFIG_HEADER_SIZE 0x40
106 /* Size of the standard PCI config space */
107 #define PCI_CONFIG_SPACE_SIZE 0x100
108 /* Size of the standart PCIe config space: 4KB */
109 #define PCIE_CONFIG_SPACE_SIZE 0x1000
111 #define PCI_NUM_PINS 4 /* A-D */
113 /* Bits in cap_present field. */
115 QEMU_PCI_CAP_MSI = 0x1,
116 QEMU_PCI_CAP_MSIX = 0x2,
117 QEMU_PCI_CAP_EXPRESS = 0x4,
119 /* multifunction capable device */
120 #define QEMU_PCI_CAP_MULTIFUNCTION_BITNR 3
121 QEMU_PCI_CAP_MULTIFUNCTION = (1 << QEMU_PCI_CAP_MULTIFUNCTION_BITNR),
123 /* command register SERR bit enabled */
124 #define QEMU_PCI_CAP_SERR_BITNR 4
125 QEMU_PCI_CAP_SERR = (1 << QEMU_PCI_CAP_SERR_BITNR),
130 /* PCI config space */
133 /* Used to enable config checks on load. Note that writeable bits are
134 * never checked even if set in cmask. */
137 /* Used to implement R/W bytes */
140 /* Used to implement RW1C(Write 1 to Clear) bytes */
143 /* Used to allocate config space for capabilities. */
146 /* the following fields are read only */
150 PCIIORegion io_regions[PCI_NUM_REGIONS];
152 /* do not access the following fields */
153 PCIConfigReadFunc *config_read;
154 PCIConfigWriteFunc *config_write;
156 /* IRQ objects for the INTA-INTD pins. */
159 /* Current IRQ levels. Used internally by the generic PCI code. */
162 /* Capability bits */
163 uint32_t cap_present;
165 /* Offset of MSI-X capability in config space */
171 /* Space to store MSIX table */
172 uint8_t *msix_table_page;
173 /* MMIO index used to map MSIX table and pending bit entries. */
175 /* Reference-count for entries actually in use by driver. */
176 unsigned *msix_entry_used;
177 /* Region including the MSI-X table */
178 uint32_t msix_bar_size;
179 /* Version id needed for VMState */
182 /* Offset of MSI capability in config space */
186 PCIExpressDevice exp;
188 /* Location of option rom */
190 ram_addr_t rom_offset;
194 PCIDevice *pci_register_device(PCIBus *bus, const char *name,
195 int instance_size, int devfn,
196 PCIConfigReadFunc *config_read,
197 PCIConfigWriteFunc *config_write);
199 void pci_register_bar(PCIDevice *pci_dev, int region_num,
200 pcibus_t size, uint8_t type,
201 PCIMapIORegionFunc *map_func);
203 int pci_add_capability(PCIDevice *pdev, uint8_t cap_id,
204 uint8_t offset, uint8_t size);
206 void pci_del_capability(PCIDevice *pci_dev, uint8_t cap_id, uint8_t cap_size);
208 void pci_reserve_capability(PCIDevice *pci_dev, uint8_t offset, uint8_t size);
210 uint8_t pci_find_capability(PCIDevice *pci_dev, uint8_t cap_id);
213 uint32_t pci_default_read_config(PCIDevice *d,
214 uint32_t address, int len);
215 void pci_default_write_config(PCIDevice *d,
216 uint32_t address, uint32_t val, int len);
217 void pci_device_save(PCIDevice *s, QEMUFile *f);
218 int pci_device_load(PCIDevice *s, QEMUFile *f);
220 typedef void (*pci_set_irq_fn)(void *opaque, int irq_num, int level);
221 typedef int (*pci_map_irq_fn)(PCIDevice *pci_dev, int irq_num);
224 PCI_HOTPLUG_DISABLED,
226 PCI_COLDPLUG_ENABLED,
229 typedef int (*pci_hotplug_fn)(DeviceState *qdev, PCIDevice *pci_dev,
230 PCIHotplugState state);
231 void pci_bus_new_inplace(PCIBus *bus, DeviceState *parent,
232 const char *name, int devfn_min);
233 PCIBus *pci_bus_new(DeviceState *parent, const char *name, int devfn_min);
234 void pci_bus_irqs(PCIBus *bus, pci_set_irq_fn set_irq, pci_map_irq_fn map_irq,
235 void *irq_opaque, int nirq);
236 void pci_bus_hotplug(PCIBus *bus, pci_hotplug_fn hotplug, DeviceState *dev);
237 PCIBus *pci_register_bus(DeviceState *parent, const char *name,
238 pci_set_irq_fn set_irq, pci_map_irq_fn map_irq,
239 void *irq_opaque, int devfn_min, int nirq);
240 void pci_device_reset(PCIDevice *dev);
241 void pci_bus_reset(PCIBus *bus);
243 void pci_bus_set_mem_base(PCIBus *bus, target_phys_addr_t base);
245 PCIDevice *pci_nic_init(NICInfo *nd, const char *default_model,
246 const char *default_devaddr);
247 PCIDevice *pci_nic_init_nofail(NICInfo *nd, const char *default_model,
248 const char *default_devaddr);
249 int pci_bus_num(PCIBus *s);
250 void pci_for_each_device(PCIBus *bus, int bus_num, void (*fn)(PCIBus *bus, PCIDevice *d));
251 PCIBus *pci_find_root_bus(int domain);
252 int pci_find_domain(const PCIBus *bus);
253 PCIBus *pci_find_bus(PCIBus *bus, int bus_num);
254 PCIDevice *pci_find_device(PCIBus *bus, int bus_num, int slot, int function);
255 int pci_qdev_find_device(const char *id, PCIDevice **pdev);
256 PCIBus *pci_get_bus_devfn(int *devfnp, const char *devaddr);
258 int pci_parse_devaddr(const char *addr, int *domp, int *busp,
259 unsigned int *slotp, unsigned int *funcp);
260 int pci_read_devaddr(Monitor *mon, const char *addr, int *domp, int *busp,
263 void do_pci_info_print(Monitor *mon, const QObject *data);
264 void do_pci_info(Monitor *mon, QObject **ret_data);
265 void pci_bridge_update_mappings(PCIBus *b);
268 pci_set_byte(uint8_t *config, uint8_t val)
273 static inline uint8_t
274 pci_get_byte(const uint8_t *config)
280 pci_set_word(uint8_t *config, uint16_t val)
282 cpu_to_le16wu((uint16_t *)config, val);
285 static inline uint16_t
286 pci_get_word(const uint8_t *config)
288 return le16_to_cpupu((const uint16_t *)config);
292 pci_set_long(uint8_t *config, uint32_t val)
294 cpu_to_le32wu((uint32_t *)config, val);
297 static inline uint32_t
298 pci_get_long(const uint8_t *config)
300 return le32_to_cpupu((const uint32_t *)config);
304 pci_set_quad(uint8_t *config, uint64_t val)
306 cpu_to_le64w((uint64_t *)config, val);
309 static inline uint64_t
310 pci_get_quad(const uint8_t *config)
312 return le64_to_cpup((const uint64_t *)config);
316 pci_config_set_vendor_id(uint8_t *pci_config, uint16_t val)
318 pci_set_word(&pci_config[PCI_VENDOR_ID], val);
322 pci_config_set_device_id(uint8_t *pci_config, uint16_t val)
324 pci_set_word(&pci_config[PCI_DEVICE_ID], val);
328 pci_config_set_revision(uint8_t *pci_config, uint8_t val)
330 pci_set_byte(&pci_config[PCI_REVISION_ID], val);
334 pci_config_set_class(uint8_t *pci_config, uint16_t val)
336 pci_set_word(&pci_config[PCI_CLASS_DEVICE], val);
340 pci_config_set_prog_interface(uint8_t *pci_config, uint8_t val)
342 pci_set_byte(&pci_config[PCI_CLASS_PROG], val);
346 pci_config_set_interrupt_pin(uint8_t *pci_config, uint8_t val)
348 pci_set_byte(&pci_config[PCI_INTERRUPT_PIN], val);
352 * helper functions to do bit mask operation on configuration space.
353 * Just to set bit, use test-and-set and discard returned value.
354 * Just to clear bit, use test-and-clear and discard returned value.
355 * NOTE: They aren't atomic.
357 static inline uint8_t
358 pci_byte_test_and_clear_mask(uint8_t *config, uint8_t mask)
360 uint8_t val = pci_get_byte(config);
361 pci_set_byte(config, val & ~mask);
365 static inline uint8_t
366 pci_byte_test_and_set_mask(uint8_t *config, uint8_t mask)
368 uint8_t val = pci_get_byte(config);
369 pci_set_byte(config, val | mask);
373 static inline uint16_t
374 pci_word_test_and_clear_mask(uint8_t *config, uint16_t mask)
376 uint16_t val = pci_get_word(config);
377 pci_set_word(config, val & ~mask);
381 static inline uint16_t
382 pci_word_test_and_set_mask(uint8_t *config, uint16_t mask)
384 uint16_t val = pci_get_word(config);
385 pci_set_word(config, val | mask);
389 static inline uint32_t
390 pci_long_test_and_clear_mask(uint8_t *config, uint32_t mask)
392 uint32_t val = pci_get_long(config);
393 pci_set_long(config, val & ~mask);
397 static inline uint32_t
398 pci_long_test_and_set_mask(uint8_t *config, uint32_t mask)
400 uint32_t val = pci_get_long(config);
401 pci_set_long(config, val | mask);
405 static inline uint64_t
406 pci_quad_test_and_clear_mask(uint8_t *config, uint64_t mask)
408 uint64_t val = pci_get_quad(config);
409 pci_set_quad(config, val & ~mask);
413 static inline uint64_t
414 pci_quad_test_and_set_mask(uint8_t *config, uint64_t mask)
416 uint64_t val = pci_get_quad(config);
417 pci_set_quad(config, val | mask);
421 typedef int (*pci_qdev_initfn)(PCIDevice *dev);
424 pci_qdev_initfn init;
425 PCIUnregisterFunc *exit;
426 PCIConfigReadFunc *config_read;
427 PCIConfigWriteFunc *config_write;
430 * pci-to-pci bridge or normal device.
431 * This doesn't mean pci host switch.
432 * When card bus bridge is supported, this would be enhanced.
437 int is_express; /* is this device pci express? */
439 /* device isn't hot-pluggable */
446 void pci_qdev_register(PCIDeviceInfo *info);
447 void pci_qdev_register_many(PCIDeviceInfo *info);
449 PCIDevice *pci_create_multifunction(PCIBus *bus, int devfn, bool multifunction,
451 PCIDevice *pci_create_simple_multifunction(PCIBus *bus, int devfn,
454 PCIDevice *pci_create(PCIBus *bus, int devfn, const char *name);
455 PCIDevice *pci_create_simple(PCIBus *bus, int devfn, const char *name);
457 static inline int pci_is_express(const PCIDevice *d)
459 return d->cap_present & QEMU_PCI_CAP_EXPRESS;
462 static inline uint32_t pci_config_size(const PCIDevice *d)
464 return pci_is_express(d) ? PCIE_CONFIG_SPACE_SIZE : PCI_CONFIG_SPACE_SIZE;