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memory: add address_space_destroy()
[qemu.git] / hw / pci.h
CommitLineData
87ecb68b
PB
1#ifndef QEMU_PCI_H
2#define QEMU_PCI_H
3
376253ec
AL
4#include "qemu-common.h"
5
6b1b92d3 6#include "qdev.h"
1e39101c 7#include "memory.h"
ec174575 8#include "dma.h"
6b1b92d3 9
87ecb68b
PB
10/* PCI includes legacy ISA access. */
11#include "isa.h"
12
0428527c
IY
13#include "pcie.h"
14
87ecb68b
PB
15/* PCI bus */
16
3ae80618
AL
17#define PCI_DEVFN(slot, func) ((((slot) & 0x1f) << 3) | ((func) & 0x07))
18#define PCI_SLOT(devfn) (((devfn) >> 3) & 0x1f)
19#define PCI_FUNC(devfn) ((devfn) & 0x07)
90a20dbb 20#define PCI_SLOT_MAX 32
6fa84913 21#define PCI_FUNC_MAX 8
3ae80618 22
a770dc7e
AL
23/* Class, Vendor and Device IDs from Linux's pci_ids.h */
24#include "pci_ids.h"
173a543b 25
a770dc7e 26/* QEMU-specific Vendor and Device ID definitions */
6f338c34 27
a770dc7e
AL
28/* IBM (0x1014) */
29#define PCI_DEVICE_ID_IBM_440GX 0x027f
4ebcf884 30#define PCI_DEVICE_ID_IBM_OPENPIC2 0xffff
deb54399 31
a770dc7e 32/* Hitachi (0x1054) */
deb54399 33#define PCI_VENDOR_ID_HITACHI 0x1054
a770dc7e 34#define PCI_DEVICE_ID_HITACHI_SH7751R 0x350e
deb54399 35
a770dc7e 36/* Apple (0x106b) */
4ebcf884
BS
37#define PCI_DEVICE_ID_APPLE_343S1201 0x0010
38#define PCI_DEVICE_ID_APPLE_UNI_N_I_PCI 0x001e
39#define PCI_DEVICE_ID_APPLE_UNI_N_PCI 0x001f
4ebcf884 40#define PCI_DEVICE_ID_APPLE_UNI_N_KEYL 0x0022
a770dc7e 41#define PCI_DEVICE_ID_APPLE_IPID_USB 0x003f
deb54399 42
a770dc7e
AL
43/* Realtek (0x10ec) */
44#define PCI_DEVICE_ID_REALTEK_8029 0x8029
deb54399 45
a770dc7e
AL
46/* Xilinx (0x10ee) */
47#define PCI_DEVICE_ID_XILINX_XC2VP30 0x0300
deb54399 48
a770dc7e
AL
49/* Marvell (0x11ab) */
50#define PCI_DEVICE_ID_MARVELL_GT6412X 0x4620
deb54399 51
a770dc7e 52/* QEMU/Bochs VGA (0x1234) */
4ebcf884
BS
53#define PCI_VENDOR_ID_QEMU 0x1234
54#define PCI_DEVICE_ID_QEMU_VGA 0x1111
55
a770dc7e 56/* VMWare (0x15ad) */
deb54399
AL
57#define PCI_VENDOR_ID_VMWARE 0x15ad
58#define PCI_DEVICE_ID_VMWARE_SVGA2 0x0405
59#define PCI_DEVICE_ID_VMWARE_SVGA 0x0710
60#define PCI_DEVICE_ID_VMWARE_NET 0x0720
61#define PCI_DEVICE_ID_VMWARE_SCSI 0x0730
62#define PCI_DEVICE_ID_VMWARE_IDE 0x1729
63
cef3017c 64/* Intel (0x8086) */
a770dc7e 65#define PCI_DEVICE_ID_INTEL_82551IT 0x1209
d6fd1e66 66#define PCI_DEVICE_ID_INTEL_82557 0x1229
1a5a86fb 67#define PCI_DEVICE_ID_INTEL_82801IR 0x2922
74c62ba8 68
deb54399 69/* Red Hat / Qumranet (for QEMU) -- see pci-ids.txt */
d350d97d
AL
70#define PCI_VENDOR_ID_REDHAT_QUMRANET 0x1af4
71#define PCI_SUBVENDOR_ID_REDHAT_QUMRANET 0x1af4
72#define PCI_SUBDEVICE_ID_QEMU 0x1100
73
74#define PCI_DEVICE_ID_VIRTIO_NET 0x1000
75#define PCI_DEVICE_ID_VIRTIO_BLOCK 0x1001
76#define PCI_DEVICE_ID_VIRTIO_BALLOON 0x1002
14d50bef 77#define PCI_DEVICE_ID_VIRTIO_CONSOLE 0x1003
973abc7f 78#define PCI_DEVICE_ID_VIRTIO_SCSI 0x1004
d350d97d 79
4f8589e1 80#define FMT_PCIBUS PRIx64
6e355d90 81
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PB
82typedef void PCIConfigWriteFunc(PCIDevice *pci_dev,
83 uint32_t address, uint32_t data, int len);
84typedef uint32_t PCIConfigReadFunc(PCIDevice *pci_dev,
85 uint32_t address, int len);
86typedef void PCIMapIORegionFunc(PCIDevice *pci_dev, int region_num,
6e355d90 87 pcibus_t addr, pcibus_t size, int type);
f90c2bcd 88typedef void PCIUnregisterFunc(PCIDevice *pci_dev);
87ecb68b 89
87ecb68b 90typedef struct PCIIORegion {
6e355d90
IY
91 pcibus_t addr; /* current PCI mapping address. -1 means not mapped */
92#define PCI_BAR_UNMAPPED (~(pcibus_t)0)
93 pcibus_t size;
87ecb68b 94 uint8_t type;
79ff8cb0 95 MemoryRegion *memory;
5968eca3 96 MemoryRegion *address_space;
87ecb68b
PB
97} PCIIORegion;
98
99#define PCI_ROM_SLOT 6
100#define PCI_NUM_REGIONS 7
101
fb58a897
IY
102#include "pci_regs.h"
103
104/* PCI HEADER_TYPE */
6407f373 105#define PCI_HEADER_TYPE_MULTI_FUNCTION 0x80
8098ed41 106
b7ee1603
MT
107/* Size of the standard PCI config header */
108#define PCI_CONFIG_HEADER_SIZE 0x40
109/* Size of the standard PCI config space */
110#define PCI_CONFIG_SPACE_SIZE 0x100
a9f49946
IY
111/* Size of the standart PCIe config space: 4KB */
112#define PCIE_CONFIG_SPACE_SIZE 0x1000
b7ee1603 113
e369cad7
IY
114#define PCI_NUM_PINS 4 /* A-D */
115
02eb84d0
MT
116/* Bits in cap_present field. */
117enum {
e4c7d2ae
IY
118 QEMU_PCI_CAP_MSI = 0x1,
119 QEMU_PCI_CAP_MSIX = 0x2,
120 QEMU_PCI_CAP_EXPRESS = 0x4,
49823868
IY
121
122 /* multifunction capable device */
e4c7d2ae 123#define QEMU_PCI_CAP_MULTIFUNCTION_BITNR 3
49823868 124 QEMU_PCI_CAP_MULTIFUNCTION = (1 << QEMU_PCI_CAP_MULTIFUNCTION_BITNR),
b1aeb926
IY
125
126 /* command register SERR bit enabled */
127#define QEMU_PCI_CAP_SERR_BITNR 4
128 QEMU_PCI_CAP_SERR = (1 << QEMU_PCI_CAP_SERR_BITNR),
1dc324d2
MT
129 /* Standard hot plug controller. */
130#define QEMU_PCI_SHPC_BITNR 5
131 QEMU_PCI_CAP_SHPC = (1 << QEMU_PCI_SHPC_BITNR),
762833b3
MT
132#define QEMU_PCI_SLOTID_BITNR 6
133 QEMU_PCI_CAP_SLOTID = (1 << QEMU_PCI_SLOTID_BITNR),
02eb84d0
MT
134};
135
40021f08
AL
136#define TYPE_PCI_DEVICE "pci-device"
137#define PCI_DEVICE(obj) \
138 OBJECT_CHECK(PCIDevice, (obj), TYPE_PCI_DEVICE)
139#define PCI_DEVICE_CLASS(klass) \
140 OBJECT_CLASS_CHECK(PCIDeviceClass, (klass), TYPE_PCI_DEVICE)
141#define PCI_DEVICE_GET_CLASS(obj) \
142 OBJECT_GET_CLASS(PCIDeviceClass, (obj), TYPE_PCI_DEVICE)
143
3afa9bb4
MT
144typedef struct PCIINTxRoute {
145 enum {
146 PCI_INTX_ENABLED,
147 PCI_INTX_INVERTED,
148 PCI_INTX_DISABLED,
149 } mode;
150 int irq;
151} PCIINTxRoute;
152
40021f08
AL
153typedef struct PCIDeviceClass {
154 DeviceClass parent_class;
155
156 int (*init)(PCIDevice *dev);
157 PCIUnregisterFunc *exit;
158 PCIConfigReadFunc *config_read;
159 PCIConfigWriteFunc *config_write;
160
161 uint16_t vendor_id;
162 uint16_t device_id;
163 uint8_t revision;
164 uint16_t class_id;
165 uint16_t subsystem_vendor_id; /* only for header type = 0 */
166 uint16_t subsystem_id; /* only for header type = 0 */
167
168 /*
169 * pci-to-pci bridge or normal device.
170 * This doesn't mean pci host switch.
171 * When card bus bridge is supported, this would be enhanced.
172 */
173 int is_bridge;
174
175 /* pcie stuff */
176 int is_express; /* is this device pci express? */
177
178 /* device isn't hot-pluggable */
179 int no_hotplug;
180
181 /* rom bar */
182 const char *romfile;
183} PCIDeviceClass;
184
0ae16251 185typedef void (*PCIINTxRoutingNotifier)(PCIDevice *dev);
2cdfe53c
JK
186typedef int (*MSIVectorUseNotifier)(PCIDevice *dev, unsigned int vector,
187 MSIMessage msg);
188typedef void (*MSIVectorReleaseNotifier)(PCIDevice *dev, unsigned int vector);
189
87ecb68b 190struct PCIDevice {
6b1b92d3 191 DeviceState qdev;
5fa45de5 192
87ecb68b 193 /* PCI config space */
a9f49946 194 uint8_t *config;
b7ee1603 195
ebabb67a 196 /* Used to enable config checks on load. Note that writable bits are
bd4b65ee 197 * never checked even if set in cmask. */
a9f49946 198 uint8_t *cmask;
bd4b65ee 199
b7ee1603 200 /* Used to implement R/W bytes */
a9f49946 201 uint8_t *wmask;
87ecb68b 202
92ba5f51
IY
203 /* Used to implement RW1C(Write 1 to Clear) bytes */
204 uint8_t *w1cmask;
205
6f4cbd39 206 /* Used to allocate config space for capabilities. */
a9f49946 207 uint8_t *used;
6f4cbd39 208
87ecb68b
PB
209 /* the following fields are read only */
210 PCIBus *bus;
09f1bbcd 211 int32_t devfn;
87ecb68b
PB
212 char name[64];
213 PCIIORegion io_regions[PCI_NUM_REGIONS];
5fa45de5 214 DMAContext *dma;
87ecb68b
PB
215
216 /* do not access the following fields */
217 PCIConfigReadFunc *config_read;
218 PCIConfigWriteFunc *config_write;
87ecb68b
PB
219
220 /* IRQ objects for the INTA-INTD pins. */
221 qemu_irq *irq;
222
223 /* Current IRQ levels. Used internally by the generic PCI code. */
d036bb21 224 uint8_t irq_state;
02eb84d0
MT
225
226 /* Capability bits */
227 uint32_t cap_present;
228
229 /* Offset of MSI-X capability in config space */
230 uint8_t msix_cap;
231
232 /* MSI-X entries */
233 int msix_entries_nr;
234
d35e428c
AW
235 /* Space to store MSIX table & pending bit array */
236 uint8_t *msix_table;
237 uint8_t *msix_pba;
53f94925
AW
238 /* MemoryRegion container for msix exclusive BAR setup */
239 MemoryRegion msix_exclusive_bar;
d35e428c
AW
240 /* Memory Regions for MSIX table and pending bit entries. */
241 MemoryRegion msix_table_mmio;
242 MemoryRegion msix_pba_mmio;
02eb84d0
MT
243 /* Reference-count for entries actually in use by driver. */
244 unsigned *msix_entry_used;
50322249
MT
245 /* MSIX function mask set or MSIX disabled */
246 bool msix_function_masked;
f16c4abf
JQ
247 /* Version id needed for VMState */
248 int32_t version_id;
c2039bd0 249
e4c7d2ae
IY
250 /* Offset of MSI capability in config space */
251 uint8_t msi_cap;
252
0428527c
IY
253 /* PCI Express */
254 PCIExpressDevice exp;
255
1dc324d2
MT
256 /* SHPC */
257 SHPCDevice *shpc;
258
c2039bd0 259 /* Location of option rom */
8c52c8f3 260 char *romfile;
14caaf7f
AK
261 bool has_rom;
262 MemoryRegion rom;
88169ddf 263 uint32_t rom_bar;
2cdfe53c 264
0ae16251
JK
265 /* INTx routing notifier */
266 PCIINTxRoutingNotifier intx_routing_notifier;
267
2cdfe53c
JK
268 /* MSI-X notifiers */
269 MSIVectorUseNotifier msix_vector_use_notifier;
270 MSIVectorReleaseNotifier msix_vector_release_notifier;
87ecb68b
PB
271};
272
e824b2cc
AK
273void pci_register_bar(PCIDevice *pci_dev, int region_num,
274 uint8_t attr, MemoryRegion *memory);
16a96f28 275pcibus_t pci_get_bar_addr(PCIDevice *pci_dev, int region_num);
87ecb68b 276
ca77089d
IY
277int pci_add_capability(PCIDevice *pdev, uint8_t cap_id,
278 uint8_t offset, uint8_t size);
6f4cbd39
MT
279
280void pci_del_capability(PCIDevice *pci_dev, uint8_t cap_id, uint8_t cap_size);
281
6f4cbd39
MT
282uint8_t pci_find_capability(PCIDevice *pci_dev, uint8_t cap_id);
283
284
87ecb68b
PB
285uint32_t pci_default_read_config(PCIDevice *d,
286 uint32_t address, int len);
287void pci_default_write_config(PCIDevice *d,
288 uint32_t address, uint32_t val, int len);
289void pci_device_save(PCIDevice *s, QEMUFile *f);
290int pci_device_load(PCIDevice *s, QEMUFile *f);
f5e6fed8 291MemoryRegion *pci_address_space(PCIDevice *dev);
e11d6439 292MemoryRegion *pci_address_space_io(PCIDevice *dev);
87ecb68b 293
5d4e84c8 294typedef void (*pci_set_irq_fn)(void *opaque, int irq_num, int level);
87ecb68b 295typedef int (*pci_map_irq_fn)(PCIDevice *pci_dev, int irq_num);
3afa9bb4 296typedef PCIINTxRoute (*pci_route_irq_fn)(void *opaque, int pin);
e927d487
MT
297
298typedef enum {
299 PCI_HOTPLUG_DISABLED,
300 PCI_HOTPLUG_ENABLED,
301 PCI_COLDPLUG_ENABLED,
302} PCIHotplugState;
303
304typedef int (*pci_hotplug_fn)(DeviceState *qdev, PCIDevice *pci_dev,
305 PCIHotplugState state);
21eea4b3 306void pci_bus_new_inplace(PCIBus *bus, DeviceState *parent,
1e39101c 307 const char *name,
aee97b84
AK
308 MemoryRegion *address_space_mem,
309 MemoryRegion *address_space_io,
1e39101c
AK
310 uint8_t devfn_min);
311PCIBus *pci_bus_new(DeviceState *parent, const char *name,
aee97b84
AK
312 MemoryRegion *address_space_mem,
313 MemoryRegion *address_space_io,
314 uint8_t devfn_min);
21eea4b3
GH
315void pci_bus_irqs(PCIBus *bus, pci_set_irq_fn set_irq, pci_map_irq_fn map_irq,
316 void *irq_opaque, int nirq);
9ddf8437 317int pci_bus_get_irq_level(PCIBus *bus, int irq_num);
87c30546 318void pci_bus_hotplug(PCIBus *bus, pci_hotplug_fn hotplug, DeviceState *dev);
02e2da45
PB
319PCIBus *pci_register_bus(DeviceState *parent, const char *name,
320 pci_set_irq_fn set_irq, pci_map_irq_fn map_irq,
1e39101c 321 void *irq_opaque,
aee97b84
AK
322 MemoryRegion *address_space_mem,
323 MemoryRegion *address_space_io,
1e39101c 324 uint8_t devfn_min, int nirq);
3afa9bb4
MT
325void pci_bus_set_route_irq_fn(PCIBus *, pci_route_irq_fn);
326PCIINTxRoute pci_device_route_intx_to_irq(PCIDevice *dev, int pin);
0ae16251
JK
327void pci_bus_fire_intx_routing_notifier(PCIBus *bus);
328void pci_device_set_intx_routing_notifier(PCIDevice *dev,
329 PCIINTxRoutingNotifier notifier);
0ead87c8 330void pci_device_reset(PCIDevice *dev);
9bb33586 331void pci_bus_reset(PCIBus *bus);
87ecb68b 332
5607c388
MA
333PCIDevice *pci_nic_init(NICInfo *nd, const char *default_model,
334 const char *default_devaddr);
07caea31
MA
335PCIDevice *pci_nic_init_nofail(NICInfo *nd, const char *default_model,
336 const char *default_devaddr);
129d42fb
AJ
337
338PCIDevice *pci_vga_init(PCIBus *bus);
339
87ecb68b 340int pci_bus_num(PCIBus *s);
7aa8cbb9
AP
341void pci_for_each_device(PCIBus *bus, int bus_num,
342 void (*fn)(PCIBus *bus, PCIDevice *d, void *opaque),
343 void *opaque);
c469e1dd 344PCIBus *pci_find_root_bus(int domain);
e075e788 345int pci_find_domain(const PCIBus *bus);
5256d8bf 346PCIDevice *pci_find_device(PCIBus *bus, int bus_num, uint8_t devfn);
f3006dd1 347int pci_qdev_find_device(const char *id, PCIDevice **pdev);
49bd1458 348PCIBus *pci_get_bus_devfn(int *devfnp, const char *devaddr);
87ecb68b 349
e9283f8b
JK
350int pci_read_devaddr(Monitor *mon, const char *addr, int *domp, int *busp,
351 unsigned *slotp);
880345c4 352
4c92325b
IY
353void pci_device_deassert_intx(PCIDevice *dev);
354
5fa45de5
DG
355typedef DMAContext *(*PCIDMAContextFunc)(PCIBus *, void *, int);
356
357void pci_setup_iommu(PCIBus *bus, PCIDMAContextFunc fn, void *opaque);
358
64d50b8b
MT
359static inline void
360pci_set_byte(uint8_t *config, uint8_t val)
361{
362 *config = val;
363}
364
365static inline uint8_t
cb95c2e4 366pci_get_byte(const uint8_t *config)
64d50b8b
MT
367{
368 return *config;
369}
370
14e12559
MT
371static inline void
372pci_set_word(uint8_t *config, uint16_t val)
373{
374 cpu_to_le16wu((uint16_t *)config, val);
375}
376
377static inline uint16_t
cb95c2e4 378pci_get_word(const uint8_t *config)
14e12559 379{
cb95c2e4 380 return le16_to_cpupu((const uint16_t *)config);
14e12559
MT
381}
382
383static inline void
384pci_set_long(uint8_t *config, uint32_t val)
385{
386 cpu_to_le32wu((uint32_t *)config, val);
387}
388
389static inline uint32_t
cb95c2e4 390pci_get_long(const uint8_t *config)
14e12559 391{
cb95c2e4 392 return le32_to_cpupu((const uint32_t *)config);
14e12559
MT
393}
394
fb5ce7d2
IY
395static inline void
396pci_set_quad(uint8_t *config, uint64_t val)
397{
398 cpu_to_le64w((uint64_t *)config, val);
399}
400
401static inline uint64_t
cb95c2e4 402pci_get_quad(const uint8_t *config)
fb5ce7d2 403{
cb95c2e4 404 return le64_to_cpup((const uint64_t *)config);
fb5ce7d2
IY
405}
406
deb54399
AL
407static inline void
408pci_config_set_vendor_id(uint8_t *pci_config, uint16_t val)
409{
14e12559 410 pci_set_word(&pci_config[PCI_VENDOR_ID], val);
deb54399
AL
411}
412
413static inline void
414pci_config_set_device_id(uint8_t *pci_config, uint16_t val)
415{
14e12559 416 pci_set_word(&pci_config[PCI_DEVICE_ID], val);
deb54399
AL
417}
418
cf602c7b
IE
419static inline void
420pci_config_set_revision(uint8_t *pci_config, uint8_t val)
421{
422 pci_set_byte(&pci_config[PCI_REVISION_ID], val);
423}
424
173a543b
BS
425static inline void
426pci_config_set_class(uint8_t *pci_config, uint16_t val)
427{
14e12559 428 pci_set_word(&pci_config[PCI_CLASS_DEVICE], val);
173a543b
BS
429}
430
cf602c7b
IE
431static inline void
432pci_config_set_prog_interface(uint8_t *pci_config, uint8_t val)
433{
434 pci_set_byte(&pci_config[PCI_CLASS_PROG], val);
435}
436
437static inline void
438pci_config_set_interrupt_pin(uint8_t *pci_config, uint8_t val)
439{
440 pci_set_byte(&pci_config[PCI_INTERRUPT_PIN], val);
441}
442
aabcf526
IY
443/*
444 * helper functions to do bit mask operation on configuration space.
445 * Just to set bit, use test-and-set and discard returned value.
446 * Just to clear bit, use test-and-clear and discard returned value.
447 * NOTE: They aren't atomic.
448 */
449static inline uint8_t
450pci_byte_test_and_clear_mask(uint8_t *config, uint8_t mask)
451{
452 uint8_t val = pci_get_byte(config);
453 pci_set_byte(config, val & ~mask);
454 return val & mask;
455}
456
457static inline uint8_t
458pci_byte_test_and_set_mask(uint8_t *config, uint8_t mask)
459{
460 uint8_t val = pci_get_byte(config);
461 pci_set_byte(config, val | mask);
462 return val & mask;
463}
464
465static inline uint16_t
466pci_word_test_and_clear_mask(uint8_t *config, uint16_t mask)
467{
468 uint16_t val = pci_get_word(config);
469 pci_set_word(config, val & ~mask);
470 return val & mask;
471}
472
473static inline uint16_t
474pci_word_test_and_set_mask(uint8_t *config, uint16_t mask)
475{
476 uint16_t val = pci_get_word(config);
477 pci_set_word(config, val | mask);
478 return val & mask;
479}
480
481static inline uint32_t
482pci_long_test_and_clear_mask(uint8_t *config, uint32_t mask)
483{
484 uint32_t val = pci_get_long(config);
485 pci_set_long(config, val & ~mask);
486 return val & mask;
487}
488
489static inline uint32_t
490pci_long_test_and_set_mask(uint8_t *config, uint32_t mask)
491{
492 uint32_t val = pci_get_long(config);
493 pci_set_long(config, val | mask);
494 return val & mask;
495}
496
497static inline uint64_t
498pci_quad_test_and_clear_mask(uint8_t *config, uint64_t mask)
499{
500 uint64_t val = pci_get_quad(config);
501 pci_set_quad(config, val & ~mask);
502 return val & mask;
503}
504
505static inline uint64_t
506pci_quad_test_and_set_mask(uint8_t *config, uint64_t mask)
507{
508 uint64_t val = pci_get_quad(config);
509 pci_set_quad(config, val | mask);
510 return val & mask;
511}
512
c9f50cea
MT
513/* Access a register specified by a mask */
514static inline void
515pci_set_byte_by_mask(uint8_t *config, uint8_t mask, uint8_t reg)
516{
517 uint8_t val = pci_get_byte(config);
518 uint8_t rval = reg << (ffs(mask) - 1);
519 pci_set_byte(config, (~mask & val) | (mask & rval));
520}
521
522static inline uint8_t
523pci_get_byte_by_mask(uint8_t *config, uint8_t mask)
524{
525 uint8_t val = pci_get_byte(config);
526 return (val & mask) >> (ffs(mask) - 1);
527}
528
529static inline void
530pci_set_word_by_mask(uint8_t *config, uint16_t mask, uint16_t reg)
531{
532 uint16_t val = pci_get_word(config);
533 uint16_t rval = reg << (ffs(mask) - 1);
534 pci_set_word(config, (~mask & val) | (mask & rval));
535}
536
537static inline uint16_t
538pci_get_word_by_mask(uint8_t *config, uint16_t mask)
539{
540 uint16_t val = pci_get_word(config);
541 return (val & mask) >> (ffs(mask) - 1);
542}
543
544static inline void
545pci_set_long_by_mask(uint8_t *config, uint32_t mask, uint32_t reg)
546{
547 uint32_t val = pci_get_long(config);
548 uint32_t rval = reg << (ffs(mask) - 1);
549 pci_set_long(config, (~mask & val) | (mask & rval));
550}
551
552static inline uint32_t
553pci_get_long_by_mask(uint8_t *config, uint32_t mask)
554{
555 uint32_t val = pci_get_long(config);
556 return (val & mask) >> (ffs(mask) - 1);
557}
558
559static inline void
560pci_set_quad_by_mask(uint8_t *config, uint64_t mask, uint64_t reg)
561{
562 uint64_t val = pci_get_quad(config);
563 uint64_t rval = reg << (ffs(mask) - 1);
564 pci_set_quad(config, (~mask & val) | (mask & rval));
565}
566
567static inline uint64_t
568pci_get_quad_by_mask(uint8_t *config, uint64_t mask)
569{
570 uint64_t val = pci_get_quad(config);
571 return (val & mask) >> (ffs(mask) - 1);
572}
573
49823868
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574PCIDevice *pci_create_multifunction(PCIBus *bus, int devfn, bool multifunction,
575 const char *name);
576PCIDevice *pci_create_simple_multifunction(PCIBus *bus, int devfn,
577 bool multifunction,
578 const char *name);
499cf102 579PCIDevice *pci_create(PCIBus *bus, int devfn, const char *name);
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580PCIDevice *pci_create_simple(PCIBus *bus, int devfn, const char *name);
581
3c18685f 582static inline int pci_is_express(const PCIDevice *d)
a9f49946
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583{
584 return d->cap_present & QEMU_PCI_CAP_EXPRESS;
585}
586
3c18685f 587static inline uint32_t pci_config_size(const PCIDevice *d)
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588{
589 return pci_is_express(d) ? PCIE_CONFIG_SPACE_SIZE : PCI_CONFIG_SPACE_SIZE;
590}
591
ec174575 592/* DMA access functions */
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593static inline DMAContext *pci_dma_context(PCIDevice *dev)
594{
5fa45de5 595 return dev->dma;
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596}
597
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598static inline int pci_dma_rw(PCIDevice *dev, dma_addr_t addr,
599 void *buf, dma_addr_t len, DMADirection dir)
600{
d86a77f8 601 dma_memory_rw(pci_dma_context(dev), addr, buf, len, dir);
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602 return 0;
603}
604
605static inline int pci_dma_read(PCIDevice *dev, dma_addr_t addr,
606 void *buf, dma_addr_t len)
607{
608 return pci_dma_rw(dev, addr, buf, len, DMA_DIRECTION_TO_DEVICE);
609}
610
611static inline int pci_dma_write(PCIDevice *dev, dma_addr_t addr,
612 const void *buf, dma_addr_t len)
613{
614 return pci_dma_rw(dev, addr, (void *) buf, len, DMA_DIRECTION_FROM_DEVICE);
615}
616
617#define PCI_DMA_DEFINE_LDST(_l, _s, _bits) \
618 static inline uint##_bits##_t ld##_l##_pci_dma(PCIDevice *dev, \
619 dma_addr_t addr) \
620 { \
d86a77f8 621 return ld##_l##_dma(pci_dma_context(dev), addr); \
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622 } \
623 static inline void st##_s##_pci_dma(PCIDevice *dev, \
d86a77f8 624 dma_addr_t addr, uint##_bits##_t val) \
ec174575 625 { \
d86a77f8 626 st##_s##_dma(pci_dma_context(dev), addr, val); \
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627 }
628
629PCI_DMA_DEFINE_LDST(ub, b, 8);
630PCI_DMA_DEFINE_LDST(uw_le, w_le, 16)
631PCI_DMA_DEFINE_LDST(l_le, l_le, 32);
632PCI_DMA_DEFINE_LDST(q_le, q_le, 64);
633PCI_DMA_DEFINE_LDST(uw_be, w_be, 16)
634PCI_DMA_DEFINE_LDST(l_be, l_be, 32);
635PCI_DMA_DEFINE_LDST(q_be, q_be, 64);
636
637#undef PCI_DMA_DEFINE_LDST
638
639static inline void *pci_dma_map(PCIDevice *dev, dma_addr_t addr,
640 dma_addr_t *plen, DMADirection dir)
641{
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642 void *buf;
643
d86a77f8 644 buf = dma_memory_map(pci_dma_context(dev), addr, plen, dir);
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645 return buf;
646}
647
648static inline void pci_dma_unmap(PCIDevice *dev, void *buffer, dma_addr_t len,
649 DMADirection dir, dma_addr_t access_len)
650{
d86a77f8 651 dma_memory_unmap(pci_dma_context(dev), buffer, len, dir, access_len);
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652}
653
654static inline void pci_dma_sglist_init(QEMUSGList *qsg, PCIDevice *dev,
655 int alloc_hint)
656{
c65bcef3 657 qemu_sglist_init(qsg, alloc_hint, pci_dma_context(dev));
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658}
659
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660extern const VMStateDescription vmstate_pci_device;
661
662#define VMSTATE_PCI_DEVICE(_field, _state) { \
663 .name = (stringify(_field)), \
664 .size = sizeof(PCIDevice), \
665 .vmsd = &vmstate_pci_device, \
666 .flags = VMS_STRUCT, \
667 .offset = vmstate_offset_value(_state, _field, PCIDevice), \
668}
669
670#define VMSTATE_PCI_DEVICE_POINTER(_field, _state) { \
671 .name = (stringify(_field)), \
672 .size = sizeof(PCIDevice), \
673 .vmsd = &vmstate_pci_device, \
674 .flags = VMS_STRUCT|VMS_POINTER, \
675 .offset = vmstate_offset_pointer(_state, _field, PCIDevice), \
676}
677
87ecb68b 678#endif
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