1 #ifndef QEMU_PCI_H
2 #define QEMU_PCI_H
3
4 #include "qemu-common.h"
5
6 #include "hw/qdev.h"
7
8 /* PCI includes legacy ISA access. */
9 #include "hw/isa/isa.h"
10
11 /* PCI bus */
12
13 extern hwaddr pci_mem_base;
14
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
19 /* Class, Vendor and Device IDs from Linux's pci_ids.h */
20 #include "hw/pci/pci_ids.h"
21
22 /* QEMU-specific Vendor and Device ID definitions */
23
24 /* IBM (0x1014) */
25 #define PCI_DEVICE_ID_IBM_440GX 0x027f
26 #define PCI_DEVICE_ID_IBM_OPENPIC2 0xffff
27
28 /* Hitachi (0x1054) */
29 #define PCI_VENDOR_ID_HITACHI 0x1054
30 #define PCI_DEVICE_ID_HITACHI_SH7751R 0x350e
31
32 /* Apple (0x106b) */
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
36 #define PCI_DEVICE_ID_APPLE_UNI_N_KEYL 0x0022
37 #define PCI_DEVICE_ID_APPLE_IPID_USB 0x003f
38
39 /* Realtek (0x10ec) */
40 #define PCI_DEVICE_ID_REALTEK_8029 0x8029
41
42 /* Xilinx (0x10ee) */
43 #define PCI_DEVICE_ID_XILINX_XC2VP30 0x0300
44
45 /* Marvell (0x11ab) */
46 #define PCI_DEVICE_ID_MARVELL_GT6412X 0x4620
47
48 /* QEMU/Bochs VGA (0x1234) */
49 #define PCI_VENDOR_ID_QEMU 0x1234
50 #define PCI_DEVICE_ID_QEMU_VGA 0x1111
51
52 /* VMWare (0x15ad) */
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
60 /* Intel (0x8086) */
61 #define PCI_DEVICE_ID_INTEL_82551IT 0x1209
62
63 /* Red Hat / Qumranet (for QEMU) -- see pci-ids.txt */
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
71 #define PCI_DEVICE_ID_VIRTIO_CONSOLE 0x1003
72
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);
79 typedef int PCIUnregisterFunc(PCIDevice *pci_dev);
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
95 /* Declarations from linux/pci_regs.h */
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 */
101 #define PCI_STATUS 0x06 /* 16 bits */
102 #define PCI_REVISION_ID 0x08 /* 8 bits */
103 #define PCI_CLASS_DEVICE 0x0a /* Device class */
104 #define PCI_HEADER_TYPE 0x0e /* 8 bits */
105 #define PCI_HEADER_TYPE_NORMAL 0
106 #define PCI_HEADER_TYPE_BRIDGE 1
107 #define PCI_HEADER_TYPE_CARDBUS 2
108 #define PCI_HEADER_TYPE_MULTI_FUNCTION 0x80
109 #define PCI_SUBSYSTEM_VENDOR_ID 0x2c /* 16 bits */
110 #define PCI_SUBSYSTEM_ID 0x2e /* 16 bits */
111 #define PCI_INTERRUPT_LINE 0x3c /* 8 bits */
112 #define PCI_INTERRUPT_PIN 0x3d /* 8 bits */
113 #define PCI_MIN_GNT 0x3e /* 8 bits */
114 #define PCI_MAX_LAT 0x3f /* 8 bits */
115
116 #define PCI_REVISION 0x08 /* obsolete, use PCI_REVISION_ID */
117 #define PCI_SUBVENDOR_ID 0x2c /* obsolete, use PCI_SUBSYSTEM_VENDOR_ID */
118 #define PCI_SUBDEVICE_ID 0x2e /* obsolete, use PCI_SUBSYSTEM_ID */
119
120 /* Bits in the PCI Status Register (PCI 2.3 spec) */
121 #define PCI_STATUS_RESERVED1 0x007
122 #define PCI_STATUS_INT_STATUS 0x008
123 #define PCI_STATUS_CAPABILITIES 0x010
124 #define PCI_STATUS_66MHZ 0x020
125 #define PCI_STATUS_RESERVED2 0x040
126 #define PCI_STATUS_FAST_BACK 0x080
127 #define PCI_STATUS_DEVSEL 0x600
128
129 #define PCI_STATUS_RESERVED_MASK_LO (PCI_STATUS_RESERVED1 | \
130 PCI_STATUS_INT_STATUS | PCI_STATUS_CAPABILITIES | \
131 PCI_STATUS_66MHZ | PCI_STATUS_RESERVED2 | PCI_STATUS_FAST_BACK)
132
133 #define PCI_STATUS_RESERVED_MASK_HI (PCI_STATUS_DEVSEL >> 8)
134
135 /* Bits in the PCI Command Register (PCI 2.3 spec) */
136 #define PCI_COMMAND_RESERVED 0xf800
137
138 #define PCI_COMMAND_RESERVED_MASK_HI (PCI_COMMAND_RESERVED >> 8)
139
140 struct PCIDevice {
141 DeviceState qdev;
142 /* PCI config space */
143 uint8_t config[256];
144
145 /* the following fields are read only */
146 PCIBus *bus;
147 int devfn;
148 char name[64];
149 PCIIORegion io_regions[PCI_NUM_REGIONS];
150
151 /* do not access the following fields */
152 PCIConfigReadFunc *config_read;
153 PCIConfigWriteFunc *config_write;
154 PCIUnregisterFunc *unregister;
155
156 /* IRQ objects for the INTA-INTD pins. */
157 qemu_irq *irq;
158
159 /* Current IRQ levels. Used internally by the generic PCI code. */
160 int irq_state[4];
161 };
162
163 PCIDevice *pci_register_device(PCIBus *bus, const char *name,
164 int instance_size, int devfn,
165 PCIConfigReadFunc *config_read,
166 PCIConfigWriteFunc *config_write);
167 int pci_unregister_device(PCIDevice *pci_dev);
168
169 void pci_register_bar(PCIDevice *pci_dev, int region_num,
170 uint32_t size, int type,
171 PCIMapIORegionFunc *map_func);
172
173 uint32_t pci_default_read_config(PCIDevice *d,
174 uint32_t address, int len);
175 void pci_default_write_config(PCIDevice *d,
176 uint32_t address, uint32_t val, int len);
177 void pci_device_save(PCIDevice *s, QEMUFile *f);
178 int pci_device_load(PCIDevice *s, QEMUFile *f);
179
180 typedef void (*pci_set_irq_fn)(qemu_irq *pic, int irq_num, int level);
181 typedef int (*pci_map_irq_fn)(PCIDevice *pci_dev, int irq_num);
182 PCIBus *pci_register_bus(DeviceState *parent, const char *name,
183 pci_set_irq_fn set_irq, pci_map_irq_fn map_irq,
184 qemu_irq *pic, int devfn_min, int nirq);
185
186 PCIDevice *pci_nic_init(PCIBus *bus, NICInfo *nd, int devfn,
187 const char *default_model);
188 void pci_data_write(void *opaque, uint32_t addr, uint32_t val, int len);
189 uint32_t pci_data_read(void *opaque, uint32_t addr, int len);
190 int pci_bus_num(PCIBus *s);
191 void pci_for_each_device(int bus_num, void (*fn)(PCIDevice *d));
192 PCIBus *pci_find_bus(int bus_num);
193 PCIDevice *pci_find_device(int bus_num, int slot, int function);
194
195 int pci_read_devaddr(const char *addr, int *domp, int *busp, unsigned *slotp);
196 int pci_assign_devaddr(const char *addr, int *domp, int *busp, unsigned *slotp);
197
198 void pci_info(Monitor *mon);
199 PCIBus *pci_bridge_init(PCIBus *bus, int devfn, uint16_t vid, uint16_t did,
200 pci_map_irq_fn map_irq, const char *name);
201
202 static inline void
pci_set_byte(uint8_t * config,uint8_t val)203 pci_set_byte(uint8_t *config, uint8_t val)
204 {
205 *config = val;
206 }
207
208 static inline uint8_t
pci_get_byte(const uint8_t * config)209 pci_get_byte(const uint8_t *config)
210 {
211 return *config;
212 }
213
214 static inline void
pci_set_word(uint8_t * config,uint16_t val)215 pci_set_word(uint8_t *config, uint16_t val)
216 {
217 stw_le_p(config, val);
218 }
219
220 static inline uint16_t
pci_get_word(const uint8_t * config)221 pci_get_word(const uint8_t *config)
222 {
223 return lduw_le_p(config);
224 }
225
226 static inline void
pci_set_long(uint8_t * config,uint32_t val)227 pci_set_long(uint8_t *config, uint32_t val)
228 {
229 stl_le_p(config, val);
230 }
231
232 static inline uint32_t
pci_get_long(const uint8_t * config)233 pci_get_long(const uint8_t *config)
234 {
235 return ldl_le_p(config);
236 }
237
238 static inline void
pci_set_quad(uint8_t * config,uint64_t val)239 pci_set_quad(uint8_t *config, uint64_t val)
240 {
241 cpu_to_le64w((uint64_t *)config, val);
242 }
243
244 static inline uint64_t
pci_get_quad(const uint8_t * config)245 pci_get_quad(const uint8_t *config)
246 {
247 return le64_to_cpup((const uint64_t *)config);
248 }
249
250 static inline void
pci_config_set_vendor_id(uint8_t * pci_config,uint16_t val)251 pci_config_set_vendor_id(uint8_t *pci_config, uint16_t val)
252 {
253 pci_set_word(&pci_config[PCI_VENDOR_ID], val);
254 }
255
256 static inline void
pci_config_set_device_id(uint8_t * pci_config,uint16_t val)257 pci_config_set_device_id(uint8_t *pci_config, uint16_t val)
258 {
259 pci_set_word(&pci_config[PCI_DEVICE_ID], val);
260 }
261
262 static inline void
pci_config_set_class(uint8_t * pci_config,uint16_t val)263 pci_config_set_class(uint8_t *pci_config, uint16_t val)
264 {
265 pci_set_word(&pci_config[PCI_CLASS_DEVICE], val);
266 }
267
268 typedef void (*pci_qdev_initfn)(PCIDevice *dev);
269 void pci_qdev_register(const char *name, int size, pci_qdev_initfn init);
270
271 PCIDevice *pci_create_simple(PCIBus *bus, int devfn, const char *name);
272
273 /* lsi53c895a.c */
274 #define LSI_MAX_DEVS 7
275 void lsi_scsi_attach(DeviceState *host, BlockDriverState *bd, int id);
276
277 /* vmware_vga.c */
278 void pci_vmsvga_init(PCIBus *bus);
279
280 /* usb-uhci.c */
281 void usb_uhci_piix3_init(PCIBus *bus, int devfn);
282 void usb_uhci_piix4_init(PCIBus *bus, int devfn);
283
284 /* usb-ohci.c */
285 void usb_ohci_init_pci(struct PCIBus *bus, int num_ports, int devfn);
286
287 /* prep_pci.c */
288 PCIBus *pci_prep_init(qemu_irq *pic);
289
290 /* apb_pci.c */
291 PCIBus *pci_apb_init(hwaddr special_base,
292 hwaddr mem_base,
293 qemu_irq *pic, PCIBus **bus2, PCIBus **bus3);
294
295 /* sh_pci.c */
296 PCIBus *sh_pci_register_bus(pci_set_irq_fn set_irq, pci_map_irq_fn map_irq,
297 qemu_irq *pic, int devfn_min, int nirq);
298
299 #endif
300