2 * USB xHCI controller emulation
4 * Copyright (c) 2011 Securiforest
6 * Based on usb-ohci.c, emulates Renesas NEC USB 3.0
8 * This library is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU Lesser General Public
10 * License as published by the Free Software Foundation; either
11 * version 2 of the License, or (at your option) any later version.
13 * This library is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 * Lesser General Public License for more details.
18 * You should have received a copy of the GNU Lesser General Public
19 * License along with this library; if not, see <http://www.gnu.org/licenses/>.
22 #ifndef HW_USB_HCD_XHCI_H
23 #define HW_USB_HCD_XHCI_H
24 #include "qom/object.h"
27 #include "hw/usb/xhci.h"
28 #include "sysemu/dma.h"
30 OBJECT_DECLARE_SIMPLE_TYPE(XHCIState, XHCI)
32 /* Very pessimistic, let's hope it's enough for all cases */
33 #define EV_QUEUE (((3 * 24) + 16) * XHCI_MAXSLOTS)
35 typedef struct XHCIStreamContext XHCIStreamContext;
36 typedef struct XHCIEPContext XHCIEPContext;
39 XHCI_FLAG_SS_FIRST = 1,
40 XHCI_FLAG_FORCE_PCIE_ENDCAP,
41 XHCI_FLAG_ENABLE_STREAMS,
44 typedef enum TRBType {
57 CR_CONFIGURE_ENDPOINT,
65 CR_SET_LATENCY_TOLERANCE,
66 CR_GET_PORT_BANDWIDTH,
71 ER_PORT_STATUS_CHANGE,
75 ER_DEVICE_NOTIFICATION,
77 /* vendor specific bits */
78 CR_VENDOR_NEC_FIRMWARE_REVISION = 49,
79 CR_VENDOR_NEC_CHALLENGE_RESPONSE = 50,
82 typedef enum TRBCCode {
87 CC_USB_TRANSACTION_ERROR,
93 CC_INVALID_STREAM_TYPE_ERROR,
94 CC_SLOT_NOT_ENABLED_ERROR,
95 CC_EP_NOT_ENABLED_ERROR,
101 CC_BANDWIDTH_OVERRUN,
102 CC_CONTEXT_STATE_ERROR,
103 CC_NO_PING_RESPONSE_ERROR,
104 CC_EVENT_RING_FULL_ERROR,
105 CC_INCOMPATIBLE_DEVICE_ERROR,
106 CC_MISSED_SERVICE_ERROR,
107 CC_COMMAND_RING_STOPPED,
110 CC_STOPPED_LENGTH_INVALID,
111 CC_MAX_EXIT_LATENCY_TOO_LARGE_ERROR = 29,
112 CC_ISOCH_BUFFER_OVERRUN = 31,
115 CC_INVALID_STREAM_ID_ERROR,
116 CC_SECONDARY_BANDWIDTH_ERROR,
117 CC_SPLIT_TRANSACTION_ERROR
120 typedef struct XHCIRing {
125 typedef struct XHCIPort {
135 typedef struct XHCISlot {
141 XHCIEPContext *eps[31];
144 typedef struct XHCIEvent {
154 typedef struct XHCIInterrupter {
159 uint32_t erstba_high;
163 bool msix_used, er_pcs;
167 unsigned int er_ep_idx;
169 /* kept for live migration compat only */
171 XHCIEvent ev_buffer[EV_QUEUE];
172 unsigned int ev_buffer_put;
173 unsigned int ev_buffer_get;
177 typedef struct XHCIState {
182 MemoryRegion *dma_mr;
184 MemoryRegion mem_cap;
185 MemoryRegion mem_oper;
186 MemoryRegion mem_runtime;
187 MemoryRegion mem_doorbell;
195 uint32_t max_pstreams_mask;
196 void (*intr_update)(XHCIState *s, int n, bool enable);
197 void (*intr_raise)(XHCIState *s, int n, bool level);
198 DeviceState *hostOpaque;
200 /* Operational Registers */
207 uint32_t dcbaap_high;
210 USBPort uports[MAX_CONST(XHCI_MAXPORTS_2, XHCI_MAXPORTS_3)];
211 XHCIPort ports[XHCI_MAXPORTS];
212 XHCISlot slots[XHCI_MAXSLOTS];
215 /* Runtime Registers */
216 int64_t mfindex_start;
217 QEMUTimer *mfwrap_timer;
218 XHCIInterrupter intr[XHCI_MAXINTRS];
225 extern const VMStateDescription vmstate_xhci;
226 bool xhci_get_flag(XHCIState *xhci, enum xhci_flags bit);
227 void xhci_set_flag(XHCIState *xhci, enum xhci_flags bit);