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
25 #define TYPE_XHCI "base-xhci"
26 #define TYPE_NEC_XHCI "nec-usb-xhci"
27 #define TYPE_QEMU_XHCI "qemu-xhci"
30 OBJECT_CHECK(XHCIState, (obj), TYPE_XHCI)
35 #define MAXPORTS (MAXPORTS_2 + MAXPORTS_3)
39 /* Very pessimistic, let's hope it's enough for all cases */
40 #define EV_QUEUE (((3 * 24) + 16) * MAXSLOTS)
42 typedef struct XHCIState XHCIState;
43 typedef struct XHCIStreamContext XHCIStreamContext;
44 typedef struct XHCIEPContext XHCIEPContext;
47 XHCI_FLAG_SS_FIRST = 1,
48 XHCI_FLAG_FORCE_PCIE_ENDCAP,
49 XHCI_FLAG_ENABLE_STREAMS,
52 typedef enum TRBType {
65 CR_CONFIGURE_ENDPOINT,
73 CR_SET_LATENCY_TOLERANCE,
74 CR_GET_PORT_BANDWIDTH,
79 ER_PORT_STATUS_CHANGE,
83 ER_DEVICE_NOTIFICATION,
85 /* vendor specific bits */
86 CR_VENDOR_NEC_FIRMWARE_REVISION = 49,
87 CR_VENDOR_NEC_CHALLENGE_RESPONSE = 50,
90 typedef enum TRBCCode {
95 CC_USB_TRANSACTION_ERROR,
101 CC_INVALID_STREAM_TYPE_ERROR,
102 CC_SLOT_NOT_ENABLED_ERROR,
103 CC_EP_NOT_ENABLED_ERROR,
109 CC_BANDWIDTH_OVERRUN,
110 CC_CONTEXT_STATE_ERROR,
111 CC_NO_PING_RESPONSE_ERROR,
112 CC_EVENT_RING_FULL_ERROR,
113 CC_INCOMPATIBLE_DEVICE_ERROR,
114 CC_MISSED_SERVICE_ERROR,
115 CC_COMMAND_RING_STOPPED,
118 CC_STOPPED_LENGTH_INVALID,
119 CC_MAX_EXIT_LATENCY_TOO_LARGE_ERROR = 29,
120 CC_ISOCH_BUFFER_OVERRUN = 31,
123 CC_INVALID_STREAM_ID_ERROR,
124 CC_SECONDARY_BANDWIDTH_ERROR,
125 CC_SPLIT_TRANSACTION_ERROR
128 typedef struct XHCIRing {
133 typedef struct XHCIPort {
143 typedef struct XHCISlot {
149 XHCIEPContext *eps[31];
152 typedef struct XHCIEvent {
162 typedef struct XHCIInterrupter {
167 uint32_t erstba_high;
171 bool msix_used, er_pcs;
175 unsigned int er_ep_idx;
177 /* kept for live migration compat only */
179 XHCIEvent ev_buffer[EV_QUEUE];
180 unsigned int ev_buffer_put;
181 unsigned int ev_buffer_get;
187 PCIDevice parent_obj;
192 MemoryRegion mem_cap;
193 MemoryRegion mem_oper;
194 MemoryRegion mem_runtime;
195 MemoryRegion mem_doorbell;
203 uint32_t max_pstreams_mask;
207 /* Operational Registers */
214 uint32_t dcbaap_high;
217 USBPort uports[MAX(MAXPORTS_2, MAXPORTS_3)];
218 XHCIPort ports[MAXPORTS];
219 XHCISlot slots[MAXSLOTS];
222 /* Runtime Registers */
223 int64_t mfindex_start;
224 QEMUTimer *mfwrap_timer;
225 XHCIInterrupter intr[MAXINTRS];