1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
|
/*
* USB xHCI controller emulation
*
* Copyright (c) 2011 Securiforest
* Date: 2011-05-11 ; Author: Hector Martin <hector@marcansoft.com>
* Based on usb-ohci.c, emulates Renesas NEC USB 3.0
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, see <http://www.gnu.org/licenses/>.
*/
#ifndef HW_USB_HCD_XHCI_H
#define HW_USB_HCD_XHCI_H
#include "qom/object.h"
#include "hw/usb.h"
#include "sysemu/dma.h"
#define TYPE_XHCI "base-xhci"
#define TYPE_NEC_XHCI "nec-usb-xhci"
#define TYPE_QEMU_XHCI "qemu-xhci"
OBJECT_DECLARE_SIMPLE_TYPE(XHCIState, XHCI)
#define MAXPORTS_2 15
#define MAXPORTS_3 15
#define MAXPORTS (MAXPORTS_2 + MAXPORTS_3)
#define MAXSLOTS 64
#define MAXINTRS 16
/* Very pessimistic, let's hope it's enough for all cases */
#define EV_QUEUE (((3 * 24) + 16) * MAXSLOTS)
typedef struct XHCIStreamContext XHCIStreamContext;
typedef struct XHCIEPContext XHCIEPContext;
enum xhci_flags {
XHCI_FLAG_SS_FIRST = 1,
XHCI_FLAG_FORCE_PCIE_ENDCAP,
XHCI_FLAG_ENABLE_STREAMS,
};
typedef enum TRBType {
TRB_RESERVED = 0,
TR_NORMAL,
TR_SETUP,
TR_DATA,
TR_STATUS,
TR_ISOCH,
TR_LINK,
TR_EVDATA,
TR_NOOP,
CR_ENABLE_SLOT,
CR_DISABLE_SLOT,
CR_ADDRESS_DEVICE,
CR_CONFIGURE_ENDPOINT,
CR_EVALUATE_CONTEXT,
CR_RESET_ENDPOINT,
CR_STOP_ENDPOINT,
CR_SET_TR_DEQUEUE,
CR_RESET_DEVICE,
CR_FORCE_EVENT,
CR_NEGOTIATE_BW,
CR_SET_LATENCY_TOLERANCE,
CR_GET_PORT_BANDWIDTH,
CR_FORCE_HEADER,
CR_NOOP,
ER_TRANSFER = 32,
ER_COMMAND_COMPLETE,
ER_PORT_STATUS_CHANGE,
ER_BANDWIDTH_REQUEST,
ER_DOORBELL,
ER_HOST_CONTROLLER,
ER_DEVICE_NOTIFICATION,
ER_MFINDEX_WRAP,
/* vendor specific bits */
CR_VENDOR_NEC_FIRMWARE_REVISION = 49,
CR_VENDOR_NEC_CHALLENGE_RESPONSE = 50,
} TRBType;
typedef enum TRBCCode {
CC_INVALID = 0,
CC_SUCCESS,
CC_DATA_BUFFER_ERROR,
CC_BABBLE_DETECTED,
CC_USB_TRANSACTION_ERROR,
CC_TRB_ERROR,
CC_STALL_ERROR,
CC_RESOURCE_ERROR,
CC_BANDWIDTH_ERROR,
CC_NO_SLOTS_ERROR,
CC_INVALID_STREAM_TYPE_ERROR,
CC_SLOT_NOT_ENABLED_ERROR,
CC_EP_NOT_ENABLED_ERROR,
CC_SHORT_PACKET,
CC_RING_UNDERRUN,
CC_RING_OVERRUN,
CC_VF_ER_FULL,
CC_PARAMETER_ERROR,
CC_BANDWIDTH_OVERRUN,
CC_CONTEXT_STATE_ERROR,
CC_NO_PING_RESPONSE_ERROR,
CC_EVENT_RING_FULL_ERROR,
CC_INCOMPATIBLE_DEVICE_ERROR,
CC_MISSED_SERVICE_ERROR,
CC_COMMAND_RING_STOPPED,
CC_COMMAND_ABORTED,
CC_STOPPED,
CC_STOPPED_LENGTH_INVALID,
CC_MAX_EXIT_LATENCY_TOO_LARGE_ERROR = 29,
CC_ISOCH_BUFFER_OVERRUN = 31,
CC_EVENT_LOST_ERROR,
CC_UNDEFINED_ERROR,
CC_INVALID_STREAM_ID_ERROR,
CC_SECONDARY_BANDWIDTH_ERROR,
CC_SPLIT_TRANSACTION_ERROR
} TRBCCode;
typedef struct XHCIRing {
dma_addr_t dequeue;
bool ccs;
} XHCIRing;
typedef struct XHCIPort {
XHCIState *xhci;
uint32_t portsc;
uint32_t portnr;
USBPort *uport;
uint32_t speedmask;
char name[16];
MemoryRegion mem;
} XHCIPort;
typedef struct XHCISlot {
bool enabled;
bool addressed;
uint16_t intr;
dma_addr_t ctx;
USBPort *uport;
XHCIEPContext *eps[31];
} XHCISlot;
typedef struct XHCIEvent {
TRBType type;
TRBCCode ccode;
uint64_t ptr;
uint32_t length;
uint32_t flags;
uint8_t slotid;
uint8_t epid;
} XHCIEvent;
typedef struct XHCIInterrupter {
uint32_t iman;
uint32_t imod;
uint32_t erstsz;
uint32_t erstba_low;
uint32_t erstba_high;
uint32_t erdp_low;
uint32_t erdp_high;
bool msix_used, er_pcs;
dma_addr_t er_start;
uint32_t er_size;
unsigned int er_ep_idx;
/* kept for live migration compat only */
bool er_full_unused;
XHCIEvent ev_buffer[EV_QUEUE];
unsigned int ev_buffer_put;
unsigned int ev_buffer_get;
} XHCIInterrupter;
typedef struct XHCIState {
DeviceState parent;
USBBus bus;
MemoryRegion mem;
MemoryRegion *dma_mr;
AddressSpace *as;
MemoryRegion mem_cap;
MemoryRegion mem_oper;
MemoryRegion mem_runtime;
MemoryRegion mem_doorbell;
/* properties */
uint32_t numports_2;
uint32_t numports_3;
uint32_t numintrs;
uint32_t numslots;
uint32_t flags;
uint32_t max_pstreams_mask;
void (*intr_update)(XHCIState *s, int n, bool enable);
void (*intr_raise)(XHCIState *s, int n, bool level);
DeviceState *hostOpaque;
/* Operational Registers */
uint32_t usbcmd;
uint32_t usbsts;
uint32_t dnctrl;
uint32_t crcr_low;
uint32_t crcr_high;
uint32_t dcbaap_low;
uint32_t dcbaap_high;
uint32_t config;
USBPort uports[MAX_CONST(MAXPORTS_2, MAXPORTS_3)];
XHCIPort ports[MAXPORTS];
XHCISlot slots[MAXSLOTS];
uint32_t numports;
/* Runtime Registers */
int64_t mfindex_start;
QEMUTimer *mfwrap_timer;
XHCIInterrupter intr[MAXINTRS];
XHCIRing cmd_ring;
bool nec_quirks;
} XHCIState;
extern const VMStateDescription vmstate_xhci;
bool xhci_get_flag(XHCIState *xhci, enum xhci_flags bit);
void xhci_set_flag(XHCIState *xhci, enum xhci_flags bit);
#endif
|
