1f1ae32a1SGerd Hoffmann /* 2f1ae32a1SGerd Hoffmann * USB xHCI controller emulation 3f1ae32a1SGerd Hoffmann * 4f1ae32a1SGerd Hoffmann * Copyright (c) 2011 Securiforest 5f1ae32a1SGerd Hoffmann * Date: 2011-05-11 ; Author: Hector Martin <hector@marcansoft.com> 6f1ae32a1SGerd Hoffmann * Based on usb-ohci.c, emulates Renesas NEC USB 3.0 7f1ae32a1SGerd Hoffmann * 8f1ae32a1SGerd Hoffmann * This library is free software; you can redistribute it and/or 9f1ae32a1SGerd Hoffmann * modify it under the terms of the GNU Lesser General Public 10f1ae32a1SGerd Hoffmann * License as published by the Free Software Foundation; either 11f1ae32a1SGerd Hoffmann * version 2 of the License, or (at your option) any later version. 12f1ae32a1SGerd Hoffmann * 13f1ae32a1SGerd Hoffmann * This library is distributed in the hope that it will be useful, 14f1ae32a1SGerd Hoffmann * but WITHOUT ANY WARRANTY; without even the implied warranty of 15f1ae32a1SGerd Hoffmann * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 16f1ae32a1SGerd Hoffmann * Lesser General Public License for more details. 17f1ae32a1SGerd Hoffmann * 18f1ae32a1SGerd Hoffmann * You should have received a copy of the GNU Lesser General Public 19f1ae32a1SGerd Hoffmann * License along with this library; if not, see <http://www.gnu.org/licenses/>. 20f1ae32a1SGerd Hoffmann */ 21f1ae32a1SGerd Hoffmann #include "hw/hw.h" 221de7afc9SPaolo Bonzini #include "qemu/timer.h" 23f1ae32a1SGerd Hoffmann #include "hw/usb.h" 24a2cb15b0SMichael S. Tsirkin #include "hw/pci/pci.h" 25a2cb15b0SMichael S. Tsirkin #include "hw/pci/msi.h" 26a2cb15b0SMichael S. Tsirkin #include "hw/pci/msix.h" 272d754a10SGerd Hoffmann #include "trace.h" 28f1ae32a1SGerd Hoffmann 29f1ae32a1SGerd Hoffmann //#define DEBUG_XHCI 30f1ae32a1SGerd Hoffmann //#define DEBUG_DATA 31f1ae32a1SGerd Hoffmann 32f1ae32a1SGerd Hoffmann #ifdef DEBUG_XHCI 33f1ae32a1SGerd Hoffmann #define DPRINTF(...) fprintf(stderr, __VA_ARGS__) 34f1ae32a1SGerd Hoffmann #else 35f1ae32a1SGerd Hoffmann #define DPRINTF(...) do {} while (0) 36f1ae32a1SGerd Hoffmann #endif 37024426acSGerd Hoffmann #define FIXME(_msg) do { fprintf(stderr, "FIXME %s:%d %s\n", \ 38024426acSGerd Hoffmann __func__, __LINE__, _msg); abort(); } while (0) 39f1ae32a1SGerd Hoffmann 40d95e74eaSGerd Hoffmann #define MAXPORTS_2 15 41d95e74eaSGerd Hoffmann #define MAXPORTS_3 15 42f1ae32a1SGerd Hoffmann 430846e635SGerd Hoffmann #define MAXPORTS (MAXPORTS_2+MAXPORTS_3) 44d95e74eaSGerd Hoffmann #define MAXSLOTS 64 45d95e74eaSGerd Hoffmann #define MAXINTRS 16 46f1ae32a1SGerd Hoffmann 47f1ae32a1SGerd Hoffmann #define TD_QUEUE 24 48f1ae32a1SGerd Hoffmann 49f1ae32a1SGerd Hoffmann /* Very pessimistic, let's hope it's enough for all cases */ 50f1ae32a1SGerd Hoffmann #define EV_QUEUE (((3*TD_QUEUE)+16)*MAXSLOTS) 51f1ae32a1SGerd Hoffmann /* Do not deliver ER Full events. NEC's driver does some things not bound 52f1ae32a1SGerd Hoffmann * to the specs when it gets them */ 53f1ae32a1SGerd Hoffmann #define ER_FULL_HACK 54f1ae32a1SGerd Hoffmann 55f1ae32a1SGerd Hoffmann #define LEN_CAP 0x40 56f1ae32a1SGerd Hoffmann #define LEN_OPER (0x400 + 0x10 * MAXPORTS) 57106b214cSGerd Hoffmann #define LEN_RUNTIME ((MAXINTRS + 1) * 0x20) 58f1ae32a1SGerd Hoffmann #define LEN_DOORBELL ((MAXSLOTS + 1) * 0x20) 59f1ae32a1SGerd Hoffmann 60106b214cSGerd Hoffmann #define OFF_OPER LEN_CAP 61106b214cSGerd Hoffmann #define OFF_RUNTIME 0x1000 62106b214cSGerd Hoffmann #define OFF_DOORBELL 0x2000 634c47f800SGerd Hoffmann #define OFF_MSIX_TABLE 0x3000 644c47f800SGerd Hoffmann #define OFF_MSIX_PBA 0x3800 65f1ae32a1SGerd Hoffmann /* must be power of 2 */ 66106b214cSGerd Hoffmann #define LEN_REGS 0x4000 67f1ae32a1SGerd Hoffmann 68106b214cSGerd Hoffmann #if (OFF_OPER + LEN_OPER) > OFF_RUNTIME 69106b214cSGerd Hoffmann #error Increase OFF_RUNTIME 70106b214cSGerd Hoffmann #endif 71106b214cSGerd Hoffmann #if (OFF_RUNTIME + LEN_RUNTIME) > OFF_DOORBELL 72106b214cSGerd Hoffmann #error Increase OFF_DOORBELL 73106b214cSGerd Hoffmann #endif 74f1ae32a1SGerd Hoffmann #if (OFF_DOORBELL + LEN_DOORBELL) > LEN_REGS 75f1ae32a1SGerd Hoffmann # error Increase LEN_REGS 76f1ae32a1SGerd Hoffmann #endif 77f1ae32a1SGerd Hoffmann 78f1ae32a1SGerd Hoffmann /* bit definitions */ 79f1ae32a1SGerd Hoffmann #define USBCMD_RS (1<<0) 80f1ae32a1SGerd Hoffmann #define USBCMD_HCRST (1<<1) 81f1ae32a1SGerd Hoffmann #define USBCMD_INTE (1<<2) 82f1ae32a1SGerd Hoffmann #define USBCMD_HSEE (1<<3) 83f1ae32a1SGerd Hoffmann #define USBCMD_LHCRST (1<<7) 84f1ae32a1SGerd Hoffmann #define USBCMD_CSS (1<<8) 85f1ae32a1SGerd Hoffmann #define USBCMD_CRS (1<<9) 86f1ae32a1SGerd Hoffmann #define USBCMD_EWE (1<<10) 87f1ae32a1SGerd Hoffmann #define USBCMD_EU3S (1<<11) 88f1ae32a1SGerd Hoffmann 89f1ae32a1SGerd Hoffmann #define USBSTS_HCH (1<<0) 90f1ae32a1SGerd Hoffmann #define USBSTS_HSE (1<<2) 91f1ae32a1SGerd Hoffmann #define USBSTS_EINT (1<<3) 92f1ae32a1SGerd Hoffmann #define USBSTS_PCD (1<<4) 93f1ae32a1SGerd Hoffmann #define USBSTS_SSS (1<<8) 94f1ae32a1SGerd Hoffmann #define USBSTS_RSS (1<<9) 95f1ae32a1SGerd Hoffmann #define USBSTS_SRE (1<<10) 96f1ae32a1SGerd Hoffmann #define USBSTS_CNR (1<<11) 97f1ae32a1SGerd Hoffmann #define USBSTS_HCE (1<<12) 98f1ae32a1SGerd Hoffmann 99f1ae32a1SGerd Hoffmann 100f1ae32a1SGerd Hoffmann #define PORTSC_CCS (1<<0) 101f1ae32a1SGerd Hoffmann #define PORTSC_PED (1<<1) 102f1ae32a1SGerd Hoffmann #define PORTSC_OCA (1<<3) 103f1ae32a1SGerd Hoffmann #define PORTSC_PR (1<<4) 104f1ae32a1SGerd Hoffmann #define PORTSC_PLS_SHIFT 5 105f1ae32a1SGerd Hoffmann #define PORTSC_PLS_MASK 0xf 106f1ae32a1SGerd Hoffmann #define PORTSC_PP (1<<9) 107f1ae32a1SGerd Hoffmann #define PORTSC_SPEED_SHIFT 10 108f1ae32a1SGerd Hoffmann #define PORTSC_SPEED_MASK 0xf 109f1ae32a1SGerd Hoffmann #define PORTSC_SPEED_FULL (1<<10) 110f1ae32a1SGerd Hoffmann #define PORTSC_SPEED_LOW (2<<10) 111f1ae32a1SGerd Hoffmann #define PORTSC_SPEED_HIGH (3<<10) 112f1ae32a1SGerd Hoffmann #define PORTSC_SPEED_SUPER (4<<10) 113f1ae32a1SGerd Hoffmann #define PORTSC_PIC_SHIFT 14 114f1ae32a1SGerd Hoffmann #define PORTSC_PIC_MASK 0x3 115f1ae32a1SGerd Hoffmann #define PORTSC_LWS (1<<16) 116f1ae32a1SGerd Hoffmann #define PORTSC_CSC (1<<17) 117f1ae32a1SGerd Hoffmann #define PORTSC_PEC (1<<18) 118f1ae32a1SGerd Hoffmann #define PORTSC_WRC (1<<19) 119f1ae32a1SGerd Hoffmann #define PORTSC_OCC (1<<20) 120f1ae32a1SGerd Hoffmann #define PORTSC_PRC (1<<21) 121f1ae32a1SGerd Hoffmann #define PORTSC_PLC (1<<22) 122f1ae32a1SGerd Hoffmann #define PORTSC_CEC (1<<23) 123f1ae32a1SGerd Hoffmann #define PORTSC_CAS (1<<24) 124f1ae32a1SGerd Hoffmann #define PORTSC_WCE (1<<25) 125f1ae32a1SGerd Hoffmann #define PORTSC_WDE (1<<26) 126f1ae32a1SGerd Hoffmann #define PORTSC_WOE (1<<27) 127f1ae32a1SGerd Hoffmann #define PORTSC_DR (1<<30) 128f1ae32a1SGerd Hoffmann #define PORTSC_WPR (1<<31) 129f1ae32a1SGerd Hoffmann 130f1ae32a1SGerd Hoffmann #define CRCR_RCS (1<<0) 131f1ae32a1SGerd Hoffmann #define CRCR_CS (1<<1) 132f1ae32a1SGerd Hoffmann #define CRCR_CA (1<<2) 133f1ae32a1SGerd Hoffmann #define CRCR_CRR (1<<3) 134f1ae32a1SGerd Hoffmann 135f1ae32a1SGerd Hoffmann #define IMAN_IP (1<<0) 136f1ae32a1SGerd Hoffmann #define IMAN_IE (1<<1) 137f1ae32a1SGerd Hoffmann 138f1ae32a1SGerd Hoffmann #define ERDP_EHB (1<<3) 139f1ae32a1SGerd Hoffmann 140f1ae32a1SGerd Hoffmann #define TRB_SIZE 16 141f1ae32a1SGerd Hoffmann typedef struct XHCITRB { 142f1ae32a1SGerd Hoffmann uint64_t parameter; 143f1ae32a1SGerd Hoffmann uint32_t status; 144f1ae32a1SGerd Hoffmann uint32_t control; 14559a70ccdSDavid Gibson dma_addr_t addr; 146f1ae32a1SGerd Hoffmann bool ccs; 147f1ae32a1SGerd Hoffmann } XHCITRB; 148f1ae32a1SGerd Hoffmann 14985e05d82SGerd Hoffmann enum { 15085e05d82SGerd Hoffmann PLS_U0 = 0, 15185e05d82SGerd Hoffmann PLS_U1 = 1, 15285e05d82SGerd Hoffmann PLS_U2 = 2, 15385e05d82SGerd Hoffmann PLS_U3 = 3, 15485e05d82SGerd Hoffmann PLS_DISABLED = 4, 15585e05d82SGerd Hoffmann PLS_RX_DETECT = 5, 15685e05d82SGerd Hoffmann PLS_INACTIVE = 6, 15785e05d82SGerd Hoffmann PLS_POLLING = 7, 15885e05d82SGerd Hoffmann PLS_RECOVERY = 8, 15985e05d82SGerd Hoffmann PLS_HOT_RESET = 9, 16085e05d82SGerd Hoffmann PLS_COMPILANCE_MODE = 10, 16185e05d82SGerd Hoffmann PLS_TEST_MODE = 11, 16285e05d82SGerd Hoffmann PLS_RESUME = 15, 16385e05d82SGerd Hoffmann }; 164f1ae32a1SGerd Hoffmann 165f1ae32a1SGerd Hoffmann typedef enum TRBType { 166f1ae32a1SGerd Hoffmann TRB_RESERVED = 0, 167f1ae32a1SGerd Hoffmann TR_NORMAL, 168f1ae32a1SGerd Hoffmann TR_SETUP, 169f1ae32a1SGerd Hoffmann TR_DATA, 170f1ae32a1SGerd Hoffmann TR_STATUS, 171f1ae32a1SGerd Hoffmann TR_ISOCH, 172f1ae32a1SGerd Hoffmann TR_LINK, 173f1ae32a1SGerd Hoffmann TR_EVDATA, 174f1ae32a1SGerd Hoffmann TR_NOOP, 175f1ae32a1SGerd Hoffmann CR_ENABLE_SLOT, 176f1ae32a1SGerd Hoffmann CR_DISABLE_SLOT, 177f1ae32a1SGerd Hoffmann CR_ADDRESS_DEVICE, 178f1ae32a1SGerd Hoffmann CR_CONFIGURE_ENDPOINT, 179f1ae32a1SGerd Hoffmann CR_EVALUATE_CONTEXT, 180f1ae32a1SGerd Hoffmann CR_RESET_ENDPOINT, 181f1ae32a1SGerd Hoffmann CR_STOP_ENDPOINT, 182f1ae32a1SGerd Hoffmann CR_SET_TR_DEQUEUE, 183f1ae32a1SGerd Hoffmann CR_RESET_DEVICE, 184f1ae32a1SGerd Hoffmann CR_FORCE_EVENT, 185f1ae32a1SGerd Hoffmann CR_NEGOTIATE_BW, 186f1ae32a1SGerd Hoffmann CR_SET_LATENCY_TOLERANCE, 187f1ae32a1SGerd Hoffmann CR_GET_PORT_BANDWIDTH, 188f1ae32a1SGerd Hoffmann CR_FORCE_HEADER, 189f1ae32a1SGerd Hoffmann CR_NOOP, 190f1ae32a1SGerd Hoffmann ER_TRANSFER = 32, 191f1ae32a1SGerd Hoffmann ER_COMMAND_COMPLETE, 192f1ae32a1SGerd Hoffmann ER_PORT_STATUS_CHANGE, 193f1ae32a1SGerd Hoffmann ER_BANDWIDTH_REQUEST, 194f1ae32a1SGerd Hoffmann ER_DOORBELL, 195f1ae32a1SGerd Hoffmann ER_HOST_CONTROLLER, 196f1ae32a1SGerd Hoffmann ER_DEVICE_NOTIFICATION, 197f1ae32a1SGerd Hoffmann ER_MFINDEX_WRAP, 198f1ae32a1SGerd Hoffmann /* vendor specific bits */ 199f1ae32a1SGerd Hoffmann CR_VENDOR_VIA_CHALLENGE_RESPONSE = 48, 200f1ae32a1SGerd Hoffmann CR_VENDOR_NEC_FIRMWARE_REVISION = 49, 201f1ae32a1SGerd Hoffmann CR_VENDOR_NEC_CHALLENGE_RESPONSE = 50, 202f1ae32a1SGerd Hoffmann } TRBType; 203f1ae32a1SGerd Hoffmann 204f1ae32a1SGerd Hoffmann #define CR_LINK TR_LINK 205f1ae32a1SGerd Hoffmann 206f1ae32a1SGerd Hoffmann typedef enum TRBCCode { 207f1ae32a1SGerd Hoffmann CC_INVALID = 0, 208f1ae32a1SGerd Hoffmann CC_SUCCESS, 209f1ae32a1SGerd Hoffmann CC_DATA_BUFFER_ERROR, 210f1ae32a1SGerd Hoffmann CC_BABBLE_DETECTED, 211f1ae32a1SGerd Hoffmann CC_USB_TRANSACTION_ERROR, 212f1ae32a1SGerd Hoffmann CC_TRB_ERROR, 213f1ae32a1SGerd Hoffmann CC_STALL_ERROR, 214f1ae32a1SGerd Hoffmann CC_RESOURCE_ERROR, 215f1ae32a1SGerd Hoffmann CC_BANDWIDTH_ERROR, 216f1ae32a1SGerd Hoffmann CC_NO_SLOTS_ERROR, 217f1ae32a1SGerd Hoffmann CC_INVALID_STREAM_TYPE_ERROR, 218f1ae32a1SGerd Hoffmann CC_SLOT_NOT_ENABLED_ERROR, 219f1ae32a1SGerd Hoffmann CC_EP_NOT_ENABLED_ERROR, 220f1ae32a1SGerd Hoffmann CC_SHORT_PACKET, 221f1ae32a1SGerd Hoffmann CC_RING_UNDERRUN, 222f1ae32a1SGerd Hoffmann CC_RING_OVERRUN, 223f1ae32a1SGerd Hoffmann CC_VF_ER_FULL, 224f1ae32a1SGerd Hoffmann CC_PARAMETER_ERROR, 225f1ae32a1SGerd Hoffmann CC_BANDWIDTH_OVERRUN, 226f1ae32a1SGerd Hoffmann CC_CONTEXT_STATE_ERROR, 227f1ae32a1SGerd Hoffmann CC_NO_PING_RESPONSE_ERROR, 228f1ae32a1SGerd Hoffmann CC_EVENT_RING_FULL_ERROR, 229f1ae32a1SGerd Hoffmann CC_INCOMPATIBLE_DEVICE_ERROR, 230f1ae32a1SGerd Hoffmann CC_MISSED_SERVICE_ERROR, 231f1ae32a1SGerd Hoffmann CC_COMMAND_RING_STOPPED, 232f1ae32a1SGerd Hoffmann CC_COMMAND_ABORTED, 233f1ae32a1SGerd Hoffmann CC_STOPPED, 234f1ae32a1SGerd Hoffmann CC_STOPPED_LENGTH_INVALID, 235f1ae32a1SGerd Hoffmann CC_MAX_EXIT_LATENCY_TOO_LARGE_ERROR = 29, 236f1ae32a1SGerd Hoffmann CC_ISOCH_BUFFER_OVERRUN = 31, 237f1ae32a1SGerd Hoffmann CC_EVENT_LOST_ERROR, 238f1ae32a1SGerd Hoffmann CC_UNDEFINED_ERROR, 239f1ae32a1SGerd Hoffmann CC_INVALID_STREAM_ID_ERROR, 240f1ae32a1SGerd Hoffmann CC_SECONDARY_BANDWIDTH_ERROR, 241f1ae32a1SGerd Hoffmann CC_SPLIT_TRANSACTION_ERROR 242f1ae32a1SGerd Hoffmann } TRBCCode; 243f1ae32a1SGerd Hoffmann 244f1ae32a1SGerd Hoffmann #define TRB_C (1<<0) 245f1ae32a1SGerd Hoffmann #define TRB_TYPE_SHIFT 10 246f1ae32a1SGerd Hoffmann #define TRB_TYPE_MASK 0x3f 247f1ae32a1SGerd Hoffmann #define TRB_TYPE(t) (((t).control >> TRB_TYPE_SHIFT) & TRB_TYPE_MASK) 248f1ae32a1SGerd Hoffmann 249f1ae32a1SGerd Hoffmann #define TRB_EV_ED (1<<2) 250f1ae32a1SGerd Hoffmann 251f1ae32a1SGerd Hoffmann #define TRB_TR_ENT (1<<1) 252f1ae32a1SGerd Hoffmann #define TRB_TR_ISP (1<<2) 253f1ae32a1SGerd Hoffmann #define TRB_TR_NS (1<<3) 254f1ae32a1SGerd Hoffmann #define TRB_TR_CH (1<<4) 255f1ae32a1SGerd Hoffmann #define TRB_TR_IOC (1<<5) 256f1ae32a1SGerd Hoffmann #define TRB_TR_IDT (1<<6) 257f1ae32a1SGerd Hoffmann #define TRB_TR_TBC_SHIFT 7 258f1ae32a1SGerd Hoffmann #define TRB_TR_TBC_MASK 0x3 259f1ae32a1SGerd Hoffmann #define TRB_TR_BEI (1<<9) 260f1ae32a1SGerd Hoffmann #define TRB_TR_TLBPC_SHIFT 16 261f1ae32a1SGerd Hoffmann #define TRB_TR_TLBPC_MASK 0xf 262f1ae32a1SGerd Hoffmann #define TRB_TR_FRAMEID_SHIFT 20 263f1ae32a1SGerd Hoffmann #define TRB_TR_FRAMEID_MASK 0x7ff 264f1ae32a1SGerd Hoffmann #define TRB_TR_SIA (1<<31) 265f1ae32a1SGerd Hoffmann 266f1ae32a1SGerd Hoffmann #define TRB_TR_DIR (1<<16) 267f1ae32a1SGerd Hoffmann 268f1ae32a1SGerd Hoffmann #define TRB_CR_SLOTID_SHIFT 24 269f1ae32a1SGerd Hoffmann #define TRB_CR_SLOTID_MASK 0xff 270f1ae32a1SGerd Hoffmann #define TRB_CR_EPID_SHIFT 16 271f1ae32a1SGerd Hoffmann #define TRB_CR_EPID_MASK 0x1f 272f1ae32a1SGerd Hoffmann 273f1ae32a1SGerd Hoffmann #define TRB_CR_BSR (1<<9) 274f1ae32a1SGerd Hoffmann #define TRB_CR_DC (1<<9) 275f1ae32a1SGerd Hoffmann 276f1ae32a1SGerd Hoffmann #define TRB_LK_TC (1<<1) 277f1ae32a1SGerd Hoffmann 2782d1de850SGerd Hoffmann #define TRB_INTR_SHIFT 22 2792d1de850SGerd Hoffmann #define TRB_INTR_MASK 0x3ff 2802d1de850SGerd Hoffmann #define TRB_INTR(t) (((t).status >> TRB_INTR_SHIFT) & TRB_INTR_MASK) 2812d1de850SGerd Hoffmann 282f1ae32a1SGerd Hoffmann #define EP_TYPE_MASK 0x7 283f1ae32a1SGerd Hoffmann #define EP_TYPE_SHIFT 3 284f1ae32a1SGerd Hoffmann 285f1ae32a1SGerd Hoffmann #define EP_STATE_MASK 0x7 286f1ae32a1SGerd Hoffmann #define EP_DISABLED (0<<0) 287f1ae32a1SGerd Hoffmann #define EP_RUNNING (1<<0) 288f1ae32a1SGerd Hoffmann #define EP_HALTED (2<<0) 289f1ae32a1SGerd Hoffmann #define EP_STOPPED (3<<0) 290f1ae32a1SGerd Hoffmann #define EP_ERROR (4<<0) 291f1ae32a1SGerd Hoffmann 292f1ae32a1SGerd Hoffmann #define SLOT_STATE_MASK 0x1f 293f1ae32a1SGerd Hoffmann #define SLOT_STATE_SHIFT 27 294f1ae32a1SGerd Hoffmann #define SLOT_STATE(s) (((s)>>SLOT_STATE_SHIFT)&SLOT_STATE_MASK) 295f1ae32a1SGerd Hoffmann #define SLOT_ENABLED 0 296f1ae32a1SGerd Hoffmann #define SLOT_DEFAULT 1 297f1ae32a1SGerd Hoffmann #define SLOT_ADDRESSED 2 298f1ae32a1SGerd Hoffmann #define SLOT_CONFIGURED 3 299f1ae32a1SGerd Hoffmann 300f1ae32a1SGerd Hoffmann #define SLOT_CONTEXT_ENTRIES_MASK 0x1f 301f1ae32a1SGerd Hoffmann #define SLOT_CONTEXT_ENTRIES_SHIFT 27 302f1ae32a1SGerd Hoffmann 3031d8a4e69SGerd Hoffmann typedef struct XHCIState XHCIState; 304024426acSGerd Hoffmann typedef struct XHCIStreamContext XHCIStreamContext; 305024426acSGerd Hoffmann typedef struct XHCIEPContext XHCIEPContext; 3061d8a4e69SGerd Hoffmann 30785e05d82SGerd Hoffmann #define get_field(data, field) \ 30885e05d82SGerd Hoffmann (((data) >> field##_SHIFT) & field##_MASK) 30985e05d82SGerd Hoffmann 31085e05d82SGerd Hoffmann #define set_field(data, newval, field) do { \ 31185e05d82SGerd Hoffmann uint32_t val = *data; \ 31285e05d82SGerd Hoffmann val &= ~(field##_MASK << field##_SHIFT); \ 31385e05d82SGerd Hoffmann val |= ((newval) & field##_MASK) << field##_SHIFT; \ 31485e05d82SGerd Hoffmann *data = val; \ 31585e05d82SGerd Hoffmann } while (0) 31685e05d82SGerd Hoffmann 317f1ae32a1SGerd Hoffmann typedef enum EPType { 318f1ae32a1SGerd Hoffmann ET_INVALID = 0, 319f1ae32a1SGerd Hoffmann ET_ISO_OUT, 320f1ae32a1SGerd Hoffmann ET_BULK_OUT, 321f1ae32a1SGerd Hoffmann ET_INTR_OUT, 322f1ae32a1SGerd Hoffmann ET_CONTROL, 323f1ae32a1SGerd Hoffmann ET_ISO_IN, 324f1ae32a1SGerd Hoffmann ET_BULK_IN, 325f1ae32a1SGerd Hoffmann ET_INTR_IN, 326f1ae32a1SGerd Hoffmann } EPType; 327f1ae32a1SGerd Hoffmann 328f1ae32a1SGerd Hoffmann typedef struct XHCIRing { 32959a70ccdSDavid Gibson dma_addr_t dequeue; 330f1ae32a1SGerd Hoffmann bool ccs; 331f1ae32a1SGerd Hoffmann } XHCIRing; 332f1ae32a1SGerd Hoffmann 333f1ae32a1SGerd Hoffmann typedef struct XHCIPort { 3341d8a4e69SGerd Hoffmann XHCIState *xhci; 335f1ae32a1SGerd Hoffmann uint32_t portsc; 3360846e635SGerd Hoffmann uint32_t portnr; 3370846e635SGerd Hoffmann USBPort *uport; 3380846e635SGerd Hoffmann uint32_t speedmask; 3391d8a4e69SGerd Hoffmann char name[16]; 3401d8a4e69SGerd Hoffmann MemoryRegion mem; 341f1ae32a1SGerd Hoffmann } XHCIPort; 342f1ae32a1SGerd Hoffmann 343f1ae32a1SGerd Hoffmann typedef struct XHCITransfer { 344f1ae32a1SGerd Hoffmann XHCIState *xhci; 345f1ae32a1SGerd Hoffmann USBPacket packet; 346d5a15814SGerd Hoffmann QEMUSGList sgl; 347f1ae32a1SGerd Hoffmann bool running_async; 348f1ae32a1SGerd Hoffmann bool running_retry; 349f1ae32a1SGerd Hoffmann bool complete; 350a6fb2ddbSHans de Goede bool int_req; 351f1ae32a1SGerd Hoffmann unsigned int iso_pkts; 352f1ae32a1SGerd Hoffmann unsigned int slotid; 353f1ae32a1SGerd Hoffmann unsigned int epid; 354024426acSGerd Hoffmann unsigned int streamid; 355f1ae32a1SGerd Hoffmann bool in_xfer; 356f1ae32a1SGerd Hoffmann bool iso_xfer; 3574d7a81c0SGerd Hoffmann bool timed_xfer; 358f1ae32a1SGerd Hoffmann 359f1ae32a1SGerd Hoffmann unsigned int trb_count; 360f1ae32a1SGerd Hoffmann unsigned int trb_alloced; 361f1ae32a1SGerd Hoffmann XHCITRB *trbs; 362f1ae32a1SGerd Hoffmann 363f1ae32a1SGerd Hoffmann TRBCCode status; 364f1ae32a1SGerd Hoffmann 365f1ae32a1SGerd Hoffmann unsigned int pkts; 366f1ae32a1SGerd Hoffmann unsigned int pktsize; 367f1ae32a1SGerd Hoffmann unsigned int cur_pkt; 3683d139684SGerd Hoffmann 3693d139684SGerd Hoffmann uint64_t mfindex_kick; 370f1ae32a1SGerd Hoffmann } XHCITransfer; 371f1ae32a1SGerd Hoffmann 372024426acSGerd Hoffmann struct XHCIStreamContext { 373024426acSGerd Hoffmann dma_addr_t pctx; 374024426acSGerd Hoffmann unsigned int sct; 375024426acSGerd Hoffmann XHCIRing ring; 376024426acSGerd Hoffmann }; 377024426acSGerd Hoffmann 378024426acSGerd Hoffmann struct XHCIEPContext { 3793d139684SGerd Hoffmann XHCIState *xhci; 3803d139684SGerd Hoffmann unsigned int slotid; 3813d139684SGerd Hoffmann unsigned int epid; 3823d139684SGerd Hoffmann 383f1ae32a1SGerd Hoffmann XHCIRing ring; 384f1ae32a1SGerd Hoffmann unsigned int next_xfer; 385f1ae32a1SGerd Hoffmann unsigned int comp_xfer; 386f1ae32a1SGerd Hoffmann XHCITransfer transfers[TD_QUEUE]; 387f1ae32a1SGerd Hoffmann XHCITransfer *retry; 388f1ae32a1SGerd Hoffmann EPType type; 38959a70ccdSDavid Gibson dma_addr_t pctx; 390f1ae32a1SGerd Hoffmann unsigned int max_psize; 391f1ae32a1SGerd Hoffmann uint32_t state; 3923d139684SGerd Hoffmann 393024426acSGerd Hoffmann /* streams */ 394024426acSGerd Hoffmann unsigned int max_pstreams; 395024426acSGerd Hoffmann bool lsa; 396024426acSGerd Hoffmann unsigned int nr_pstreams; 397024426acSGerd Hoffmann XHCIStreamContext *pstreams; 398024426acSGerd Hoffmann 3993d139684SGerd Hoffmann /* iso xfer scheduling */ 4003d139684SGerd Hoffmann unsigned int interval; 4013d139684SGerd Hoffmann int64_t mfindex_last; 4023d139684SGerd Hoffmann QEMUTimer *kick_timer; 403024426acSGerd Hoffmann }; 404f1ae32a1SGerd Hoffmann 405f1ae32a1SGerd Hoffmann typedef struct XHCISlot { 406f1ae32a1SGerd Hoffmann bool enabled; 4074034e693SGerd Hoffmann bool addressed; 40859a70ccdSDavid Gibson dma_addr_t ctx; 409ccaf87a0SGerd Hoffmann USBPort *uport; 410f1ae32a1SGerd Hoffmann XHCIEPContext * eps[31]; 411f1ae32a1SGerd Hoffmann } XHCISlot; 412f1ae32a1SGerd Hoffmann 413f1ae32a1SGerd Hoffmann typedef struct XHCIEvent { 414f1ae32a1SGerd Hoffmann TRBType type; 415f1ae32a1SGerd Hoffmann TRBCCode ccode; 416f1ae32a1SGerd Hoffmann uint64_t ptr; 417f1ae32a1SGerd Hoffmann uint32_t length; 418f1ae32a1SGerd Hoffmann uint32_t flags; 419f1ae32a1SGerd Hoffmann uint8_t slotid; 420f1ae32a1SGerd Hoffmann uint8_t epid; 421f1ae32a1SGerd Hoffmann } XHCIEvent; 422f1ae32a1SGerd Hoffmann 423962d11e1SGerd Hoffmann typedef struct XHCIInterrupter { 424962d11e1SGerd Hoffmann uint32_t iman; 425962d11e1SGerd Hoffmann uint32_t imod; 426962d11e1SGerd Hoffmann uint32_t erstsz; 427962d11e1SGerd Hoffmann uint32_t erstba_low; 428962d11e1SGerd Hoffmann uint32_t erstba_high; 429962d11e1SGerd Hoffmann uint32_t erdp_low; 430962d11e1SGerd Hoffmann uint32_t erdp_high; 431962d11e1SGerd Hoffmann 432962d11e1SGerd Hoffmann bool msix_used, er_pcs, er_full; 433962d11e1SGerd Hoffmann 434962d11e1SGerd Hoffmann dma_addr_t er_start; 435962d11e1SGerd Hoffmann uint32_t er_size; 436962d11e1SGerd Hoffmann unsigned int er_ep_idx; 437962d11e1SGerd Hoffmann 438962d11e1SGerd Hoffmann XHCIEvent ev_buffer[EV_QUEUE]; 439962d11e1SGerd Hoffmann unsigned int ev_buffer_put; 440962d11e1SGerd Hoffmann unsigned int ev_buffer_get; 441962d11e1SGerd Hoffmann 442962d11e1SGerd Hoffmann } XHCIInterrupter; 443962d11e1SGerd Hoffmann 444f1ae32a1SGerd Hoffmann struct XHCIState { 4459b7d3334SAndreas Färber /*< private >*/ 4469b7d3334SAndreas Färber PCIDevice parent_obj; 4479b7d3334SAndreas Färber /*< public >*/ 4489b7d3334SAndreas Färber 449f1ae32a1SGerd Hoffmann USBBus bus; 450f1ae32a1SGerd Hoffmann MemoryRegion mem; 4511b067564SGerd Hoffmann MemoryRegion mem_cap; 4521b067564SGerd Hoffmann MemoryRegion mem_oper; 4531b067564SGerd Hoffmann MemoryRegion mem_runtime; 4541b067564SGerd Hoffmann MemoryRegion mem_doorbell; 455f1ae32a1SGerd Hoffmann 4560846e635SGerd Hoffmann /* properties */ 4570846e635SGerd Hoffmann uint32_t numports_2; 4580846e635SGerd Hoffmann uint32_t numports_3; 45991062ae0SGerd Hoffmann uint32_t numintrs; 46091062ae0SGerd Hoffmann uint32_t numslots; 461c5e9b02dSGerd Hoffmann uint32_t flags; 462*2aa6bfcbSGerd Hoffmann uint32_t max_pstreams_mask; 4630846e635SGerd Hoffmann 464f1ae32a1SGerd Hoffmann /* Operational Registers */ 465f1ae32a1SGerd Hoffmann uint32_t usbcmd; 466f1ae32a1SGerd Hoffmann uint32_t usbsts; 467f1ae32a1SGerd Hoffmann uint32_t dnctrl; 468f1ae32a1SGerd Hoffmann uint32_t crcr_low; 469f1ae32a1SGerd Hoffmann uint32_t crcr_high; 470f1ae32a1SGerd Hoffmann uint32_t dcbaap_low; 471f1ae32a1SGerd Hoffmann uint32_t dcbaap_high; 472f1ae32a1SGerd Hoffmann uint32_t config; 473f1ae32a1SGerd Hoffmann 4740846e635SGerd Hoffmann USBPort uports[MAX(MAXPORTS_2, MAXPORTS_3)]; 475f1ae32a1SGerd Hoffmann XHCIPort ports[MAXPORTS]; 476f1ae32a1SGerd Hoffmann XHCISlot slots[MAXSLOTS]; 4770846e635SGerd Hoffmann uint32_t numports; 478f1ae32a1SGerd Hoffmann 479f1ae32a1SGerd Hoffmann /* Runtime Registers */ 48001546fa6SGerd Hoffmann int64_t mfindex_start; 48101546fa6SGerd Hoffmann QEMUTimer *mfwrap_timer; 482962d11e1SGerd Hoffmann XHCIInterrupter intr[MAXINTRS]; 483f1ae32a1SGerd Hoffmann 484f1ae32a1SGerd Hoffmann XHCIRing cmd_ring; 485f1ae32a1SGerd Hoffmann }; 486f1ae32a1SGerd Hoffmann 48737034575SPeter Crosthwaite #define TYPE_XHCI "nec-usb-xhci" 48837034575SPeter Crosthwaite 48937034575SPeter Crosthwaite #define XHCI(obj) \ 49037034575SPeter Crosthwaite OBJECT_CHECK(XHCIState, (obj), TYPE_XHCI) 49137034575SPeter Crosthwaite 492f1ae32a1SGerd Hoffmann typedef struct XHCIEvRingSeg { 493f1ae32a1SGerd Hoffmann uint32_t addr_low; 494f1ae32a1SGerd Hoffmann uint32_t addr_high; 495f1ae32a1SGerd Hoffmann uint32_t size; 496f1ae32a1SGerd Hoffmann uint32_t rsvd; 497f1ae32a1SGerd Hoffmann } XHCIEvRingSeg; 498f1ae32a1SGerd Hoffmann 499c5e9b02dSGerd Hoffmann enum xhci_flags { 500c5e9b02dSGerd Hoffmann XHCI_FLAG_USE_MSI = 1, 5014c47f800SGerd Hoffmann XHCI_FLAG_USE_MSI_X, 5027bafd888SGerd Hoffmann XHCI_FLAG_SS_FIRST, 503e6043e92SDr. David Alan Gilbert XHCI_FLAG_FORCE_PCIE_ENDCAP, 504*2aa6bfcbSGerd Hoffmann XHCI_FLAG_ENABLE_STREAMS, 505c5e9b02dSGerd Hoffmann }; 506c5e9b02dSGerd Hoffmann 50701546fa6SGerd Hoffmann static void xhci_kick_ep(XHCIState *xhci, unsigned int slotid, 508024426acSGerd Hoffmann unsigned int epid, unsigned int streamid); 5090bc85da6SGerd Hoffmann static TRBCCode xhci_disable_ep(XHCIState *xhci, unsigned int slotid, 5100bc85da6SGerd Hoffmann unsigned int epid); 511582d6f4aSHans de Goede static void xhci_xfer_report(XHCITransfer *xfer); 512962d11e1SGerd Hoffmann static void xhci_event(XHCIState *xhci, XHCIEvent *event, int v); 513962d11e1SGerd Hoffmann static void xhci_write_event(XHCIState *xhci, XHCIEvent *event, int v); 514518ad5f2SHans de Goede static USBEndpoint *xhci_epid_to_usbep(XHCIState *xhci, 515518ad5f2SHans de Goede unsigned int slotid, unsigned int epid); 51601546fa6SGerd Hoffmann 517f1ae32a1SGerd Hoffmann static const char *TRBType_names[] = { 518f1ae32a1SGerd Hoffmann [TRB_RESERVED] = "TRB_RESERVED", 519f1ae32a1SGerd Hoffmann [TR_NORMAL] = "TR_NORMAL", 520f1ae32a1SGerd Hoffmann [TR_SETUP] = "TR_SETUP", 521f1ae32a1SGerd Hoffmann [TR_DATA] = "TR_DATA", 522f1ae32a1SGerd Hoffmann [TR_STATUS] = "TR_STATUS", 523f1ae32a1SGerd Hoffmann [TR_ISOCH] = "TR_ISOCH", 524f1ae32a1SGerd Hoffmann [TR_LINK] = "TR_LINK", 525f1ae32a1SGerd Hoffmann [TR_EVDATA] = "TR_EVDATA", 526f1ae32a1SGerd Hoffmann [TR_NOOP] = "TR_NOOP", 527f1ae32a1SGerd Hoffmann [CR_ENABLE_SLOT] = "CR_ENABLE_SLOT", 528f1ae32a1SGerd Hoffmann [CR_DISABLE_SLOT] = "CR_DISABLE_SLOT", 529f1ae32a1SGerd Hoffmann [CR_ADDRESS_DEVICE] = "CR_ADDRESS_DEVICE", 530f1ae32a1SGerd Hoffmann [CR_CONFIGURE_ENDPOINT] = "CR_CONFIGURE_ENDPOINT", 531f1ae32a1SGerd Hoffmann [CR_EVALUATE_CONTEXT] = "CR_EVALUATE_CONTEXT", 532f1ae32a1SGerd Hoffmann [CR_RESET_ENDPOINT] = "CR_RESET_ENDPOINT", 533f1ae32a1SGerd Hoffmann [CR_STOP_ENDPOINT] = "CR_STOP_ENDPOINT", 534f1ae32a1SGerd Hoffmann [CR_SET_TR_DEQUEUE] = "CR_SET_TR_DEQUEUE", 535f1ae32a1SGerd Hoffmann [CR_RESET_DEVICE] = "CR_RESET_DEVICE", 536f1ae32a1SGerd Hoffmann [CR_FORCE_EVENT] = "CR_FORCE_EVENT", 537f1ae32a1SGerd Hoffmann [CR_NEGOTIATE_BW] = "CR_NEGOTIATE_BW", 538f1ae32a1SGerd Hoffmann [CR_SET_LATENCY_TOLERANCE] = "CR_SET_LATENCY_TOLERANCE", 539f1ae32a1SGerd Hoffmann [CR_GET_PORT_BANDWIDTH] = "CR_GET_PORT_BANDWIDTH", 540f1ae32a1SGerd Hoffmann [CR_FORCE_HEADER] = "CR_FORCE_HEADER", 541f1ae32a1SGerd Hoffmann [CR_NOOP] = "CR_NOOP", 542f1ae32a1SGerd Hoffmann [ER_TRANSFER] = "ER_TRANSFER", 543f1ae32a1SGerd Hoffmann [ER_COMMAND_COMPLETE] = "ER_COMMAND_COMPLETE", 544f1ae32a1SGerd Hoffmann [ER_PORT_STATUS_CHANGE] = "ER_PORT_STATUS_CHANGE", 545f1ae32a1SGerd Hoffmann [ER_BANDWIDTH_REQUEST] = "ER_BANDWIDTH_REQUEST", 546f1ae32a1SGerd Hoffmann [ER_DOORBELL] = "ER_DOORBELL", 547f1ae32a1SGerd Hoffmann [ER_HOST_CONTROLLER] = "ER_HOST_CONTROLLER", 548f1ae32a1SGerd Hoffmann [ER_DEVICE_NOTIFICATION] = "ER_DEVICE_NOTIFICATION", 549f1ae32a1SGerd Hoffmann [ER_MFINDEX_WRAP] = "ER_MFINDEX_WRAP", 550f1ae32a1SGerd Hoffmann [CR_VENDOR_VIA_CHALLENGE_RESPONSE] = "CR_VENDOR_VIA_CHALLENGE_RESPONSE", 551f1ae32a1SGerd Hoffmann [CR_VENDOR_NEC_FIRMWARE_REVISION] = "CR_VENDOR_NEC_FIRMWARE_REVISION", 552f1ae32a1SGerd Hoffmann [CR_VENDOR_NEC_CHALLENGE_RESPONSE] = "CR_VENDOR_NEC_CHALLENGE_RESPONSE", 553f1ae32a1SGerd Hoffmann }; 554f1ae32a1SGerd Hoffmann 555873123feSGerd Hoffmann static const char *TRBCCode_names[] = { 556873123feSGerd Hoffmann [CC_INVALID] = "CC_INVALID", 557873123feSGerd Hoffmann [CC_SUCCESS] = "CC_SUCCESS", 558873123feSGerd Hoffmann [CC_DATA_BUFFER_ERROR] = "CC_DATA_BUFFER_ERROR", 559873123feSGerd Hoffmann [CC_BABBLE_DETECTED] = "CC_BABBLE_DETECTED", 560873123feSGerd Hoffmann [CC_USB_TRANSACTION_ERROR] = "CC_USB_TRANSACTION_ERROR", 561873123feSGerd Hoffmann [CC_TRB_ERROR] = "CC_TRB_ERROR", 562873123feSGerd Hoffmann [CC_STALL_ERROR] = "CC_STALL_ERROR", 563873123feSGerd Hoffmann [CC_RESOURCE_ERROR] = "CC_RESOURCE_ERROR", 564873123feSGerd Hoffmann [CC_BANDWIDTH_ERROR] = "CC_BANDWIDTH_ERROR", 565873123feSGerd Hoffmann [CC_NO_SLOTS_ERROR] = "CC_NO_SLOTS_ERROR", 566873123feSGerd Hoffmann [CC_INVALID_STREAM_TYPE_ERROR] = "CC_INVALID_STREAM_TYPE_ERROR", 567873123feSGerd Hoffmann [CC_SLOT_NOT_ENABLED_ERROR] = "CC_SLOT_NOT_ENABLED_ERROR", 568873123feSGerd Hoffmann [CC_EP_NOT_ENABLED_ERROR] = "CC_EP_NOT_ENABLED_ERROR", 569873123feSGerd Hoffmann [CC_SHORT_PACKET] = "CC_SHORT_PACKET", 570873123feSGerd Hoffmann [CC_RING_UNDERRUN] = "CC_RING_UNDERRUN", 571873123feSGerd Hoffmann [CC_RING_OVERRUN] = "CC_RING_OVERRUN", 572873123feSGerd Hoffmann [CC_VF_ER_FULL] = "CC_VF_ER_FULL", 573873123feSGerd Hoffmann [CC_PARAMETER_ERROR] = "CC_PARAMETER_ERROR", 574873123feSGerd Hoffmann [CC_BANDWIDTH_OVERRUN] = "CC_BANDWIDTH_OVERRUN", 575873123feSGerd Hoffmann [CC_CONTEXT_STATE_ERROR] = "CC_CONTEXT_STATE_ERROR", 576873123feSGerd Hoffmann [CC_NO_PING_RESPONSE_ERROR] = "CC_NO_PING_RESPONSE_ERROR", 577873123feSGerd Hoffmann [CC_EVENT_RING_FULL_ERROR] = "CC_EVENT_RING_FULL_ERROR", 578873123feSGerd Hoffmann [CC_INCOMPATIBLE_DEVICE_ERROR] = "CC_INCOMPATIBLE_DEVICE_ERROR", 579873123feSGerd Hoffmann [CC_MISSED_SERVICE_ERROR] = "CC_MISSED_SERVICE_ERROR", 580873123feSGerd Hoffmann [CC_COMMAND_RING_STOPPED] = "CC_COMMAND_RING_STOPPED", 581873123feSGerd Hoffmann [CC_COMMAND_ABORTED] = "CC_COMMAND_ABORTED", 582873123feSGerd Hoffmann [CC_STOPPED] = "CC_STOPPED", 583873123feSGerd Hoffmann [CC_STOPPED_LENGTH_INVALID] = "CC_STOPPED_LENGTH_INVALID", 584873123feSGerd Hoffmann [CC_MAX_EXIT_LATENCY_TOO_LARGE_ERROR] 585873123feSGerd Hoffmann = "CC_MAX_EXIT_LATENCY_TOO_LARGE_ERROR", 586873123feSGerd Hoffmann [CC_ISOCH_BUFFER_OVERRUN] = "CC_ISOCH_BUFFER_OVERRUN", 587873123feSGerd Hoffmann [CC_EVENT_LOST_ERROR] = "CC_EVENT_LOST_ERROR", 588873123feSGerd Hoffmann [CC_UNDEFINED_ERROR] = "CC_UNDEFINED_ERROR", 589873123feSGerd Hoffmann [CC_INVALID_STREAM_ID_ERROR] = "CC_INVALID_STREAM_ID_ERROR", 590873123feSGerd Hoffmann [CC_SECONDARY_BANDWIDTH_ERROR] = "CC_SECONDARY_BANDWIDTH_ERROR", 591873123feSGerd Hoffmann [CC_SPLIT_TRANSACTION_ERROR] = "CC_SPLIT_TRANSACTION_ERROR", 592873123feSGerd Hoffmann }; 593873123feSGerd Hoffmann 5941c82392aSGerd Hoffmann static const char *ep_state_names[] = { 5951c82392aSGerd Hoffmann [EP_DISABLED] = "disabled", 5961c82392aSGerd Hoffmann [EP_RUNNING] = "running", 5971c82392aSGerd Hoffmann [EP_HALTED] = "halted", 5981c82392aSGerd Hoffmann [EP_STOPPED] = "stopped", 5991c82392aSGerd Hoffmann [EP_ERROR] = "error", 6001c82392aSGerd Hoffmann }; 6011c82392aSGerd Hoffmann 602f1ae32a1SGerd Hoffmann static const char *lookup_name(uint32_t index, const char **list, uint32_t llen) 603f1ae32a1SGerd Hoffmann { 604f1ae32a1SGerd Hoffmann if (index >= llen || list[index] == NULL) { 605f1ae32a1SGerd Hoffmann return "???"; 606f1ae32a1SGerd Hoffmann } 607f1ae32a1SGerd Hoffmann return list[index]; 608f1ae32a1SGerd Hoffmann } 609f1ae32a1SGerd Hoffmann 610f1ae32a1SGerd Hoffmann static const char *trb_name(XHCITRB *trb) 611f1ae32a1SGerd Hoffmann { 612f1ae32a1SGerd Hoffmann return lookup_name(TRB_TYPE(*trb), TRBType_names, 613f1ae32a1SGerd Hoffmann ARRAY_SIZE(TRBType_names)); 614f1ae32a1SGerd Hoffmann } 615f1ae32a1SGerd Hoffmann 616873123feSGerd Hoffmann static const char *event_name(XHCIEvent *event) 617873123feSGerd Hoffmann { 618873123feSGerd Hoffmann return lookup_name(event->ccode, TRBCCode_names, 619873123feSGerd Hoffmann ARRAY_SIZE(TRBCCode_names)); 620873123feSGerd Hoffmann } 621873123feSGerd Hoffmann 6221c82392aSGerd Hoffmann static const char *ep_state_name(uint32_t state) 6231c82392aSGerd Hoffmann { 6241c82392aSGerd Hoffmann return lookup_name(state, ep_state_names, 6251c82392aSGerd Hoffmann ARRAY_SIZE(ep_state_names)); 6261c82392aSGerd Hoffmann } 6271c82392aSGerd Hoffmann 628f9955235SGerd Hoffmann static bool xhci_get_flag(XHCIState *xhci, enum xhci_flags bit) 629f9955235SGerd Hoffmann { 630f9955235SGerd Hoffmann return xhci->flags & (1 << bit); 631f9955235SGerd Hoffmann } 632f9955235SGerd Hoffmann 63301546fa6SGerd Hoffmann static uint64_t xhci_mfindex_get(XHCIState *xhci) 63401546fa6SGerd Hoffmann { 635bc72ad67SAlex Bligh int64_t now = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL); 63601546fa6SGerd Hoffmann return (now - xhci->mfindex_start) / 125000; 63701546fa6SGerd Hoffmann } 63801546fa6SGerd Hoffmann 63901546fa6SGerd Hoffmann static void xhci_mfwrap_update(XHCIState *xhci) 64001546fa6SGerd Hoffmann { 64101546fa6SGerd Hoffmann const uint32_t bits = USBCMD_RS | USBCMD_EWE; 64201546fa6SGerd Hoffmann uint32_t mfindex, left; 64301546fa6SGerd Hoffmann int64_t now; 64401546fa6SGerd Hoffmann 64501546fa6SGerd Hoffmann if ((xhci->usbcmd & bits) == bits) { 646bc72ad67SAlex Bligh now = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL); 64701546fa6SGerd Hoffmann mfindex = ((now - xhci->mfindex_start) / 125000) & 0x3fff; 64801546fa6SGerd Hoffmann left = 0x4000 - mfindex; 649bc72ad67SAlex Bligh timer_mod(xhci->mfwrap_timer, now + left * 125000); 65001546fa6SGerd Hoffmann } else { 651bc72ad67SAlex Bligh timer_del(xhci->mfwrap_timer); 65201546fa6SGerd Hoffmann } 65301546fa6SGerd Hoffmann } 65401546fa6SGerd Hoffmann 65501546fa6SGerd Hoffmann static void xhci_mfwrap_timer(void *opaque) 65601546fa6SGerd Hoffmann { 65701546fa6SGerd Hoffmann XHCIState *xhci = opaque; 65801546fa6SGerd Hoffmann XHCIEvent wrap = { ER_MFINDEX_WRAP, CC_SUCCESS }; 65901546fa6SGerd Hoffmann 660962d11e1SGerd Hoffmann xhci_event(xhci, &wrap, 0); 66101546fa6SGerd Hoffmann xhci_mfwrap_update(xhci); 66201546fa6SGerd Hoffmann } 663f1ae32a1SGerd Hoffmann 66459a70ccdSDavid Gibson static inline dma_addr_t xhci_addr64(uint32_t low, uint32_t high) 665f1ae32a1SGerd Hoffmann { 66659a70ccdSDavid Gibson if (sizeof(dma_addr_t) == 4) { 667f1ae32a1SGerd Hoffmann return low; 66859a70ccdSDavid Gibson } else { 66959a70ccdSDavid Gibson return low | (((dma_addr_t)high << 16) << 16); 67059a70ccdSDavid Gibson } 671f1ae32a1SGerd Hoffmann } 672f1ae32a1SGerd Hoffmann 67359a70ccdSDavid Gibson static inline dma_addr_t xhci_mask64(uint64_t addr) 674f1ae32a1SGerd Hoffmann { 67559a70ccdSDavid Gibson if (sizeof(dma_addr_t) == 4) { 676f1ae32a1SGerd Hoffmann return addr & 0xffffffff; 67759a70ccdSDavid Gibson } else { 67859a70ccdSDavid Gibson return addr; 67959a70ccdSDavid Gibson } 680f1ae32a1SGerd Hoffmann } 681f1ae32a1SGerd Hoffmann 682616b5d53SDavid Gibson static inline void xhci_dma_read_u32s(XHCIState *xhci, dma_addr_t addr, 683616b5d53SDavid Gibson uint32_t *buf, size_t len) 684616b5d53SDavid Gibson { 685616b5d53SDavid Gibson int i; 686616b5d53SDavid Gibson 687616b5d53SDavid Gibson assert((len % sizeof(uint32_t)) == 0); 688616b5d53SDavid Gibson 6899b7d3334SAndreas Färber pci_dma_read(PCI_DEVICE(xhci), addr, buf, len); 690616b5d53SDavid Gibson 691616b5d53SDavid Gibson for (i = 0; i < (len / sizeof(uint32_t)); i++) { 692616b5d53SDavid Gibson buf[i] = le32_to_cpu(buf[i]); 693616b5d53SDavid Gibson } 694616b5d53SDavid Gibson } 695616b5d53SDavid Gibson 696616b5d53SDavid Gibson static inline void xhci_dma_write_u32s(XHCIState *xhci, dma_addr_t addr, 697616b5d53SDavid Gibson uint32_t *buf, size_t len) 698616b5d53SDavid Gibson { 699616b5d53SDavid Gibson int i; 700616b5d53SDavid Gibson uint32_t tmp[len / sizeof(uint32_t)]; 701616b5d53SDavid Gibson 702616b5d53SDavid Gibson assert((len % sizeof(uint32_t)) == 0); 703616b5d53SDavid Gibson 704616b5d53SDavid Gibson for (i = 0; i < (len / sizeof(uint32_t)); i++) { 705616b5d53SDavid Gibson tmp[i] = cpu_to_le32(buf[i]); 706616b5d53SDavid Gibson } 7079b7d3334SAndreas Färber pci_dma_write(PCI_DEVICE(xhci), addr, tmp, len); 708616b5d53SDavid Gibson } 709616b5d53SDavid Gibson 7100846e635SGerd Hoffmann static XHCIPort *xhci_lookup_port(XHCIState *xhci, struct USBPort *uport) 7110846e635SGerd Hoffmann { 7120846e635SGerd Hoffmann int index; 7130846e635SGerd Hoffmann 7140846e635SGerd Hoffmann if (!uport->dev) { 7150846e635SGerd Hoffmann return NULL; 7160846e635SGerd Hoffmann } 7170846e635SGerd Hoffmann switch (uport->dev->speed) { 7180846e635SGerd Hoffmann case USB_SPEED_LOW: 7190846e635SGerd Hoffmann case USB_SPEED_FULL: 7200846e635SGerd Hoffmann case USB_SPEED_HIGH: 7217bafd888SGerd Hoffmann if (xhci_get_flag(xhci, XHCI_FLAG_SS_FIRST)) { 7227bafd888SGerd Hoffmann index = uport->index + xhci->numports_3; 7237bafd888SGerd Hoffmann } else { 7240846e635SGerd Hoffmann index = uport->index; 7257bafd888SGerd Hoffmann } 7260846e635SGerd Hoffmann break; 7270846e635SGerd Hoffmann case USB_SPEED_SUPER: 7287bafd888SGerd Hoffmann if (xhci_get_flag(xhci, XHCI_FLAG_SS_FIRST)) { 7297bafd888SGerd Hoffmann index = uport->index; 7307bafd888SGerd Hoffmann } else { 7310846e635SGerd Hoffmann index = uport->index + xhci->numports_2; 7327bafd888SGerd Hoffmann } 7330846e635SGerd Hoffmann break; 7340846e635SGerd Hoffmann default: 7350846e635SGerd Hoffmann return NULL; 7360846e635SGerd Hoffmann } 7370846e635SGerd Hoffmann return &xhci->ports[index]; 7380846e635SGerd Hoffmann } 7390846e635SGerd Hoffmann 7404c4abe7cSGerd Hoffmann static void xhci_intx_update(XHCIState *xhci) 741f1ae32a1SGerd Hoffmann { 7429b7d3334SAndreas Färber PCIDevice *pci_dev = PCI_DEVICE(xhci); 743f1ae32a1SGerd Hoffmann int level = 0; 744f1ae32a1SGerd Hoffmann 7459b7d3334SAndreas Färber if (msix_enabled(pci_dev) || 7469b7d3334SAndreas Färber msi_enabled(pci_dev)) { 7474c4abe7cSGerd Hoffmann return; 7484c4abe7cSGerd Hoffmann } 7494c4abe7cSGerd Hoffmann 750962d11e1SGerd Hoffmann if (xhci->intr[0].iman & IMAN_IP && 751962d11e1SGerd Hoffmann xhci->intr[0].iman & IMAN_IE && 752215bff17SLai Jiangshan xhci->usbcmd & USBCMD_INTE) { 753f1ae32a1SGerd Hoffmann level = 1; 754f1ae32a1SGerd Hoffmann } 755f1ae32a1SGerd Hoffmann 7567acd279fSGerd Hoffmann trace_usb_xhci_irq_intx(level); 7579e64f8a3SMarcel Apfelbaum pci_set_irq(pci_dev, level); 758f1ae32a1SGerd Hoffmann } 7594c4abe7cSGerd Hoffmann 760962d11e1SGerd Hoffmann static void xhci_msix_update(XHCIState *xhci, int v) 7614c47f800SGerd Hoffmann { 7629b7d3334SAndreas Färber PCIDevice *pci_dev = PCI_DEVICE(xhci); 7634c47f800SGerd Hoffmann bool enabled; 7644c47f800SGerd Hoffmann 7659b7d3334SAndreas Färber if (!msix_enabled(pci_dev)) { 7664c47f800SGerd Hoffmann return; 7674c47f800SGerd Hoffmann } 7684c47f800SGerd Hoffmann 769962d11e1SGerd Hoffmann enabled = xhci->intr[v].iman & IMAN_IE; 770962d11e1SGerd Hoffmann if (enabled == xhci->intr[v].msix_used) { 7714c47f800SGerd Hoffmann return; 7724c47f800SGerd Hoffmann } 7734c47f800SGerd Hoffmann 7744c47f800SGerd Hoffmann if (enabled) { 775962d11e1SGerd Hoffmann trace_usb_xhci_irq_msix_use(v); 7769b7d3334SAndreas Färber msix_vector_use(pci_dev, v); 777962d11e1SGerd Hoffmann xhci->intr[v].msix_used = true; 7784c47f800SGerd Hoffmann } else { 779962d11e1SGerd Hoffmann trace_usb_xhci_irq_msix_unuse(v); 7809b7d3334SAndreas Färber msix_vector_unuse(pci_dev, v); 781962d11e1SGerd Hoffmann xhci->intr[v].msix_used = false; 7824c47f800SGerd Hoffmann } 7834c47f800SGerd Hoffmann } 7844c47f800SGerd Hoffmann 785962d11e1SGerd Hoffmann static void xhci_intr_raise(XHCIState *xhci, int v) 7864c4abe7cSGerd Hoffmann { 7879b7d3334SAndreas Färber PCIDevice *pci_dev = PCI_DEVICE(xhci); 7889b7d3334SAndreas Färber 789962d11e1SGerd Hoffmann xhci->intr[v].erdp_low |= ERDP_EHB; 790962d11e1SGerd Hoffmann xhci->intr[v].iman |= IMAN_IP; 7912cae4119SGerd Hoffmann xhci->usbsts |= USBSTS_EINT; 7922cae4119SGerd Hoffmann 793962d11e1SGerd Hoffmann if (!(xhci->intr[v].iman & IMAN_IE)) { 7944c4abe7cSGerd Hoffmann return; 7954c4abe7cSGerd Hoffmann } 7964c4abe7cSGerd Hoffmann 7974c4abe7cSGerd Hoffmann if (!(xhci->usbcmd & USBCMD_INTE)) { 7984c4abe7cSGerd Hoffmann return; 7994c4abe7cSGerd Hoffmann } 8004c4abe7cSGerd Hoffmann 8019b7d3334SAndreas Färber if (msix_enabled(pci_dev)) { 802962d11e1SGerd Hoffmann trace_usb_xhci_irq_msix(v); 8039b7d3334SAndreas Färber msix_notify(pci_dev, v); 8044c47f800SGerd Hoffmann return; 8054c47f800SGerd Hoffmann } 8064c47f800SGerd Hoffmann 8079b7d3334SAndreas Färber if (msi_enabled(pci_dev)) { 808962d11e1SGerd Hoffmann trace_usb_xhci_irq_msi(v); 8099b7d3334SAndreas Färber msi_notify(pci_dev, v); 8104c4abe7cSGerd Hoffmann return; 8114c4abe7cSGerd Hoffmann } 8124c4abe7cSGerd Hoffmann 813962d11e1SGerd Hoffmann if (v == 0) { 8144c4abe7cSGerd Hoffmann trace_usb_xhci_irq_intx(1); 8159e64f8a3SMarcel Apfelbaum pci_irq_assert(pci_dev); 816f1ae32a1SGerd Hoffmann } 817962d11e1SGerd Hoffmann } 818f1ae32a1SGerd Hoffmann 819f1ae32a1SGerd Hoffmann static inline int xhci_running(XHCIState *xhci) 820f1ae32a1SGerd Hoffmann { 821962d11e1SGerd Hoffmann return !(xhci->usbsts & USBSTS_HCH) && !xhci->intr[0].er_full; 822f1ae32a1SGerd Hoffmann } 823f1ae32a1SGerd Hoffmann 824f1ae32a1SGerd Hoffmann static void xhci_die(XHCIState *xhci) 825f1ae32a1SGerd Hoffmann { 826f1ae32a1SGerd Hoffmann xhci->usbsts |= USBSTS_HCE; 827d6bb65fcSGerd Hoffmann DPRINTF("xhci: asserted controller error\n"); 828f1ae32a1SGerd Hoffmann } 829f1ae32a1SGerd Hoffmann 830962d11e1SGerd Hoffmann static void xhci_write_event(XHCIState *xhci, XHCIEvent *event, int v) 831f1ae32a1SGerd Hoffmann { 8329b7d3334SAndreas Färber PCIDevice *pci_dev = PCI_DEVICE(xhci); 833962d11e1SGerd Hoffmann XHCIInterrupter *intr = &xhci->intr[v]; 834f1ae32a1SGerd Hoffmann XHCITRB ev_trb; 83559a70ccdSDavid Gibson dma_addr_t addr; 836f1ae32a1SGerd Hoffmann 837f1ae32a1SGerd Hoffmann ev_trb.parameter = cpu_to_le64(event->ptr); 838f1ae32a1SGerd Hoffmann ev_trb.status = cpu_to_le32(event->length | (event->ccode << 24)); 839f1ae32a1SGerd Hoffmann ev_trb.control = (event->slotid << 24) | (event->epid << 16) | 840f1ae32a1SGerd Hoffmann event->flags | (event->type << TRB_TYPE_SHIFT); 841962d11e1SGerd Hoffmann if (intr->er_pcs) { 842f1ae32a1SGerd Hoffmann ev_trb.control |= TRB_C; 843f1ae32a1SGerd Hoffmann } 844f1ae32a1SGerd Hoffmann ev_trb.control = cpu_to_le32(ev_trb.control); 845f1ae32a1SGerd Hoffmann 846962d11e1SGerd Hoffmann trace_usb_xhci_queue_event(v, intr->er_ep_idx, trb_name(&ev_trb), 847873123feSGerd Hoffmann event_name(event), ev_trb.parameter, 848873123feSGerd Hoffmann ev_trb.status, ev_trb.control); 849f1ae32a1SGerd Hoffmann 850962d11e1SGerd Hoffmann addr = intr->er_start + TRB_SIZE*intr->er_ep_idx; 8519b7d3334SAndreas Färber pci_dma_write(pci_dev, addr, &ev_trb, TRB_SIZE); 852f1ae32a1SGerd Hoffmann 853962d11e1SGerd Hoffmann intr->er_ep_idx++; 854962d11e1SGerd Hoffmann if (intr->er_ep_idx >= intr->er_size) { 855962d11e1SGerd Hoffmann intr->er_ep_idx = 0; 856962d11e1SGerd Hoffmann intr->er_pcs = !intr->er_pcs; 857f1ae32a1SGerd Hoffmann } 858f1ae32a1SGerd Hoffmann } 859f1ae32a1SGerd Hoffmann 860962d11e1SGerd Hoffmann static void xhci_events_update(XHCIState *xhci, int v) 861f1ae32a1SGerd Hoffmann { 862962d11e1SGerd Hoffmann XHCIInterrupter *intr = &xhci->intr[v]; 86359a70ccdSDavid Gibson dma_addr_t erdp; 864f1ae32a1SGerd Hoffmann unsigned int dp_idx; 865f1ae32a1SGerd Hoffmann bool do_irq = 0; 866f1ae32a1SGerd Hoffmann 867f1ae32a1SGerd Hoffmann if (xhci->usbsts & USBSTS_HCH) { 868f1ae32a1SGerd Hoffmann return; 869f1ae32a1SGerd Hoffmann } 870f1ae32a1SGerd Hoffmann 871962d11e1SGerd Hoffmann erdp = xhci_addr64(intr->erdp_low, intr->erdp_high); 872962d11e1SGerd Hoffmann if (erdp < intr->er_start || 873962d11e1SGerd Hoffmann erdp >= (intr->er_start + TRB_SIZE*intr->er_size)) { 874d6bb65fcSGerd Hoffmann DPRINTF("xhci: ERDP out of bounds: "DMA_ADDR_FMT"\n", erdp); 875d6bb65fcSGerd Hoffmann DPRINTF("xhci: ER[%d] at "DMA_ADDR_FMT" len %d\n", 876962d11e1SGerd Hoffmann v, intr->er_start, intr->er_size); 877f1ae32a1SGerd Hoffmann xhci_die(xhci); 878f1ae32a1SGerd Hoffmann return; 879f1ae32a1SGerd Hoffmann } 880962d11e1SGerd Hoffmann dp_idx = (erdp - intr->er_start) / TRB_SIZE; 881962d11e1SGerd Hoffmann assert(dp_idx < intr->er_size); 882f1ae32a1SGerd Hoffmann 883f1ae32a1SGerd Hoffmann /* NEC didn't read section 4.9.4 of the spec (v1.0 p139 top Note) and thus 884f1ae32a1SGerd Hoffmann * deadlocks when the ER is full. Hack it by holding off events until 885f1ae32a1SGerd Hoffmann * the driver decides to free at least half of the ring */ 886962d11e1SGerd Hoffmann if (intr->er_full) { 887962d11e1SGerd Hoffmann int er_free = dp_idx - intr->er_ep_idx; 888f1ae32a1SGerd Hoffmann if (er_free <= 0) { 889962d11e1SGerd Hoffmann er_free += intr->er_size; 890f1ae32a1SGerd Hoffmann } 891962d11e1SGerd Hoffmann if (er_free < (intr->er_size/2)) { 892f1ae32a1SGerd Hoffmann DPRINTF("xhci_events_update(): event ring still " 893f1ae32a1SGerd Hoffmann "more than half full (hack)\n"); 894f1ae32a1SGerd Hoffmann return; 895f1ae32a1SGerd Hoffmann } 896f1ae32a1SGerd Hoffmann } 897f1ae32a1SGerd Hoffmann 898962d11e1SGerd Hoffmann while (intr->ev_buffer_put != intr->ev_buffer_get) { 899962d11e1SGerd Hoffmann assert(intr->er_full); 900962d11e1SGerd Hoffmann if (((intr->er_ep_idx+1) % intr->er_size) == dp_idx) { 901f1ae32a1SGerd Hoffmann DPRINTF("xhci_events_update(): event ring full again\n"); 902f1ae32a1SGerd Hoffmann #ifndef ER_FULL_HACK 903f1ae32a1SGerd Hoffmann XHCIEvent full = {ER_HOST_CONTROLLER, CC_EVENT_RING_FULL_ERROR}; 904962d11e1SGerd Hoffmann xhci_write_event(xhci, &full, v); 905f1ae32a1SGerd Hoffmann #endif 906f1ae32a1SGerd Hoffmann do_irq = 1; 907f1ae32a1SGerd Hoffmann break; 908f1ae32a1SGerd Hoffmann } 909962d11e1SGerd Hoffmann XHCIEvent *event = &intr->ev_buffer[intr->ev_buffer_get]; 910962d11e1SGerd Hoffmann xhci_write_event(xhci, event, v); 911962d11e1SGerd Hoffmann intr->ev_buffer_get++; 912f1ae32a1SGerd Hoffmann do_irq = 1; 913962d11e1SGerd Hoffmann if (intr->ev_buffer_get == EV_QUEUE) { 914962d11e1SGerd Hoffmann intr->ev_buffer_get = 0; 915f1ae32a1SGerd Hoffmann } 916f1ae32a1SGerd Hoffmann } 917f1ae32a1SGerd Hoffmann 918f1ae32a1SGerd Hoffmann if (do_irq) { 919962d11e1SGerd Hoffmann xhci_intr_raise(xhci, v); 920f1ae32a1SGerd Hoffmann } 921f1ae32a1SGerd Hoffmann 922962d11e1SGerd Hoffmann if (intr->er_full && intr->ev_buffer_put == intr->ev_buffer_get) { 923f1ae32a1SGerd Hoffmann DPRINTF("xhci_events_update(): event ring no longer full\n"); 924962d11e1SGerd Hoffmann intr->er_full = 0; 925f1ae32a1SGerd Hoffmann } 926f1ae32a1SGerd Hoffmann } 927f1ae32a1SGerd Hoffmann 928962d11e1SGerd Hoffmann static void xhci_event(XHCIState *xhci, XHCIEvent *event, int v) 929f1ae32a1SGerd Hoffmann { 9302d1de850SGerd Hoffmann XHCIInterrupter *intr; 93159a70ccdSDavid Gibson dma_addr_t erdp; 932f1ae32a1SGerd Hoffmann unsigned int dp_idx; 933f1ae32a1SGerd Hoffmann 93491062ae0SGerd Hoffmann if (v >= xhci->numintrs) { 93591062ae0SGerd Hoffmann DPRINTF("intr nr out of range (%d >= %d)\n", v, xhci->numintrs); 9362d1de850SGerd Hoffmann return; 9372d1de850SGerd Hoffmann } 9382d1de850SGerd Hoffmann intr = &xhci->intr[v]; 9392d1de850SGerd Hoffmann 940962d11e1SGerd Hoffmann if (intr->er_full) { 941f1ae32a1SGerd Hoffmann DPRINTF("xhci_event(): ER full, queueing\n"); 942962d11e1SGerd Hoffmann if (((intr->ev_buffer_put+1) % EV_QUEUE) == intr->ev_buffer_get) { 943d6bb65fcSGerd Hoffmann DPRINTF("xhci: event queue full, dropping event!\n"); 944f1ae32a1SGerd Hoffmann return; 945f1ae32a1SGerd Hoffmann } 946962d11e1SGerd Hoffmann intr->ev_buffer[intr->ev_buffer_put++] = *event; 947962d11e1SGerd Hoffmann if (intr->ev_buffer_put == EV_QUEUE) { 948962d11e1SGerd Hoffmann intr->ev_buffer_put = 0; 949f1ae32a1SGerd Hoffmann } 950f1ae32a1SGerd Hoffmann return; 951f1ae32a1SGerd Hoffmann } 952f1ae32a1SGerd Hoffmann 953962d11e1SGerd Hoffmann erdp = xhci_addr64(intr->erdp_low, intr->erdp_high); 954962d11e1SGerd Hoffmann if (erdp < intr->er_start || 955962d11e1SGerd Hoffmann erdp >= (intr->er_start + TRB_SIZE*intr->er_size)) { 956d6bb65fcSGerd Hoffmann DPRINTF("xhci: ERDP out of bounds: "DMA_ADDR_FMT"\n", erdp); 957d6bb65fcSGerd Hoffmann DPRINTF("xhci: ER[%d] at "DMA_ADDR_FMT" len %d\n", 958962d11e1SGerd Hoffmann v, intr->er_start, intr->er_size); 959f1ae32a1SGerd Hoffmann xhci_die(xhci); 960f1ae32a1SGerd Hoffmann return; 961f1ae32a1SGerd Hoffmann } 962f1ae32a1SGerd Hoffmann 963962d11e1SGerd Hoffmann dp_idx = (erdp - intr->er_start) / TRB_SIZE; 964962d11e1SGerd Hoffmann assert(dp_idx < intr->er_size); 965f1ae32a1SGerd Hoffmann 966962d11e1SGerd Hoffmann if ((intr->er_ep_idx+1) % intr->er_size == dp_idx) { 967f1ae32a1SGerd Hoffmann DPRINTF("xhci_event(): ER full, queueing\n"); 968f1ae32a1SGerd Hoffmann #ifndef ER_FULL_HACK 969f1ae32a1SGerd Hoffmann XHCIEvent full = {ER_HOST_CONTROLLER, CC_EVENT_RING_FULL_ERROR}; 970f1ae32a1SGerd Hoffmann xhci_write_event(xhci, &full); 971f1ae32a1SGerd Hoffmann #endif 972962d11e1SGerd Hoffmann intr->er_full = 1; 973962d11e1SGerd Hoffmann if (((intr->ev_buffer_put+1) % EV_QUEUE) == intr->ev_buffer_get) { 974d6bb65fcSGerd Hoffmann DPRINTF("xhci: event queue full, dropping event!\n"); 975f1ae32a1SGerd Hoffmann return; 976f1ae32a1SGerd Hoffmann } 977962d11e1SGerd Hoffmann intr->ev_buffer[intr->ev_buffer_put++] = *event; 978962d11e1SGerd Hoffmann if (intr->ev_buffer_put == EV_QUEUE) { 979962d11e1SGerd Hoffmann intr->ev_buffer_put = 0; 980f1ae32a1SGerd Hoffmann } 981f1ae32a1SGerd Hoffmann } else { 982962d11e1SGerd Hoffmann xhci_write_event(xhci, event, v); 983f1ae32a1SGerd Hoffmann } 984f1ae32a1SGerd Hoffmann 985962d11e1SGerd Hoffmann xhci_intr_raise(xhci, v); 986f1ae32a1SGerd Hoffmann } 987f1ae32a1SGerd Hoffmann 988f1ae32a1SGerd Hoffmann static void xhci_ring_init(XHCIState *xhci, XHCIRing *ring, 98959a70ccdSDavid Gibson dma_addr_t base) 990f1ae32a1SGerd Hoffmann { 991f1ae32a1SGerd Hoffmann ring->dequeue = base; 992f1ae32a1SGerd Hoffmann ring->ccs = 1; 993f1ae32a1SGerd Hoffmann } 994f1ae32a1SGerd Hoffmann 995f1ae32a1SGerd Hoffmann static TRBType xhci_ring_fetch(XHCIState *xhci, XHCIRing *ring, XHCITRB *trb, 99659a70ccdSDavid Gibson dma_addr_t *addr) 997f1ae32a1SGerd Hoffmann { 9989b7d3334SAndreas Färber PCIDevice *pci_dev = PCI_DEVICE(xhci); 9999b7d3334SAndreas Färber 1000f1ae32a1SGerd Hoffmann while (1) { 1001f1ae32a1SGerd Hoffmann TRBType type; 10029b7d3334SAndreas Färber pci_dma_read(pci_dev, ring->dequeue, trb, TRB_SIZE); 1003f1ae32a1SGerd Hoffmann trb->addr = ring->dequeue; 1004f1ae32a1SGerd Hoffmann trb->ccs = ring->ccs; 1005f1ae32a1SGerd Hoffmann le64_to_cpus(&trb->parameter); 1006f1ae32a1SGerd Hoffmann le32_to_cpus(&trb->status); 1007f1ae32a1SGerd Hoffmann le32_to_cpus(&trb->control); 1008f1ae32a1SGerd Hoffmann 10090703a4a7SGerd Hoffmann trace_usb_xhci_fetch_trb(ring->dequeue, trb_name(trb), 10100703a4a7SGerd Hoffmann trb->parameter, trb->status, trb->control); 1011f1ae32a1SGerd Hoffmann 1012f1ae32a1SGerd Hoffmann if ((trb->control & TRB_C) != ring->ccs) { 1013f1ae32a1SGerd Hoffmann return 0; 1014f1ae32a1SGerd Hoffmann } 1015f1ae32a1SGerd Hoffmann 1016f1ae32a1SGerd Hoffmann type = TRB_TYPE(*trb); 1017f1ae32a1SGerd Hoffmann 1018f1ae32a1SGerd Hoffmann if (type != TR_LINK) { 1019f1ae32a1SGerd Hoffmann if (addr) { 1020f1ae32a1SGerd Hoffmann *addr = ring->dequeue; 1021f1ae32a1SGerd Hoffmann } 1022f1ae32a1SGerd Hoffmann ring->dequeue += TRB_SIZE; 1023f1ae32a1SGerd Hoffmann return type; 1024f1ae32a1SGerd Hoffmann } else { 1025f1ae32a1SGerd Hoffmann ring->dequeue = xhci_mask64(trb->parameter); 1026f1ae32a1SGerd Hoffmann if (trb->control & TRB_LK_TC) { 1027f1ae32a1SGerd Hoffmann ring->ccs = !ring->ccs; 1028f1ae32a1SGerd Hoffmann } 1029f1ae32a1SGerd Hoffmann } 1030f1ae32a1SGerd Hoffmann } 1031f1ae32a1SGerd Hoffmann } 1032f1ae32a1SGerd Hoffmann 1033f1ae32a1SGerd Hoffmann static int xhci_ring_chain_length(XHCIState *xhci, const XHCIRing *ring) 1034f1ae32a1SGerd Hoffmann { 10359b7d3334SAndreas Färber PCIDevice *pci_dev = PCI_DEVICE(xhci); 1036f1ae32a1SGerd Hoffmann XHCITRB trb; 1037f1ae32a1SGerd Hoffmann int length = 0; 103859a70ccdSDavid Gibson dma_addr_t dequeue = ring->dequeue; 1039f1ae32a1SGerd Hoffmann bool ccs = ring->ccs; 1040f1ae32a1SGerd Hoffmann /* hack to bundle together the two/three TDs that make a setup transfer */ 1041f1ae32a1SGerd Hoffmann bool control_td_set = 0; 1042f1ae32a1SGerd Hoffmann 1043f1ae32a1SGerd Hoffmann while (1) { 1044f1ae32a1SGerd Hoffmann TRBType type; 10459b7d3334SAndreas Färber pci_dma_read(pci_dev, dequeue, &trb, TRB_SIZE); 1046f1ae32a1SGerd Hoffmann le64_to_cpus(&trb.parameter); 1047f1ae32a1SGerd Hoffmann le32_to_cpus(&trb.status); 1048f1ae32a1SGerd Hoffmann le32_to_cpus(&trb.control); 1049f1ae32a1SGerd Hoffmann 1050f1ae32a1SGerd Hoffmann if ((trb.control & TRB_C) != ccs) { 1051f1ae32a1SGerd Hoffmann return -length; 1052f1ae32a1SGerd Hoffmann } 1053f1ae32a1SGerd Hoffmann 1054f1ae32a1SGerd Hoffmann type = TRB_TYPE(trb); 1055f1ae32a1SGerd Hoffmann 1056f1ae32a1SGerd Hoffmann if (type == TR_LINK) { 1057f1ae32a1SGerd Hoffmann dequeue = xhci_mask64(trb.parameter); 1058f1ae32a1SGerd Hoffmann if (trb.control & TRB_LK_TC) { 1059f1ae32a1SGerd Hoffmann ccs = !ccs; 1060f1ae32a1SGerd Hoffmann } 1061f1ae32a1SGerd Hoffmann continue; 1062f1ae32a1SGerd Hoffmann } 1063f1ae32a1SGerd Hoffmann 1064f1ae32a1SGerd Hoffmann length += 1; 1065f1ae32a1SGerd Hoffmann dequeue += TRB_SIZE; 1066f1ae32a1SGerd Hoffmann 1067f1ae32a1SGerd Hoffmann if (type == TR_SETUP) { 1068f1ae32a1SGerd Hoffmann control_td_set = 1; 1069f1ae32a1SGerd Hoffmann } else if (type == TR_STATUS) { 1070f1ae32a1SGerd Hoffmann control_td_set = 0; 1071f1ae32a1SGerd Hoffmann } 1072f1ae32a1SGerd Hoffmann 1073f1ae32a1SGerd Hoffmann if (!control_td_set && !(trb.control & TRB_TR_CH)) { 1074f1ae32a1SGerd Hoffmann return length; 1075f1ae32a1SGerd Hoffmann } 1076f1ae32a1SGerd Hoffmann } 1077f1ae32a1SGerd Hoffmann } 1078f1ae32a1SGerd Hoffmann 1079962d11e1SGerd Hoffmann static void xhci_er_reset(XHCIState *xhci, int v) 1080f1ae32a1SGerd Hoffmann { 1081962d11e1SGerd Hoffmann XHCIInterrupter *intr = &xhci->intr[v]; 1082f1ae32a1SGerd Hoffmann XHCIEvRingSeg seg; 1083f1ae32a1SGerd Hoffmann 1084e099ad4bSGerd Hoffmann if (intr->erstsz == 0) { 1085e099ad4bSGerd Hoffmann /* disabled */ 1086e099ad4bSGerd Hoffmann intr->er_start = 0; 1087e099ad4bSGerd Hoffmann intr->er_size = 0; 1088e099ad4bSGerd Hoffmann return; 1089e099ad4bSGerd Hoffmann } 1090f1ae32a1SGerd Hoffmann /* cache the (sole) event ring segment location */ 1091962d11e1SGerd Hoffmann if (intr->erstsz != 1) { 1092d6bb65fcSGerd Hoffmann DPRINTF("xhci: invalid value for ERSTSZ: %d\n", intr->erstsz); 1093f1ae32a1SGerd Hoffmann xhci_die(xhci); 1094f1ae32a1SGerd Hoffmann return; 1095f1ae32a1SGerd Hoffmann } 1096962d11e1SGerd Hoffmann dma_addr_t erstba = xhci_addr64(intr->erstba_low, intr->erstba_high); 10979b7d3334SAndreas Färber pci_dma_read(PCI_DEVICE(xhci), erstba, &seg, sizeof(seg)); 1098f1ae32a1SGerd Hoffmann le32_to_cpus(&seg.addr_low); 1099f1ae32a1SGerd Hoffmann le32_to_cpus(&seg.addr_high); 1100f1ae32a1SGerd Hoffmann le32_to_cpus(&seg.size); 1101f1ae32a1SGerd Hoffmann if (seg.size < 16 || seg.size > 4096) { 1102d6bb65fcSGerd Hoffmann DPRINTF("xhci: invalid value for segment size: %d\n", seg.size); 1103f1ae32a1SGerd Hoffmann xhci_die(xhci); 1104f1ae32a1SGerd Hoffmann return; 1105f1ae32a1SGerd Hoffmann } 1106962d11e1SGerd Hoffmann intr->er_start = xhci_addr64(seg.addr_low, seg.addr_high); 1107962d11e1SGerd Hoffmann intr->er_size = seg.size; 1108f1ae32a1SGerd Hoffmann 1109962d11e1SGerd Hoffmann intr->er_ep_idx = 0; 1110962d11e1SGerd Hoffmann intr->er_pcs = 1; 1111962d11e1SGerd Hoffmann intr->er_full = 0; 1112f1ae32a1SGerd Hoffmann 1113962d11e1SGerd Hoffmann DPRINTF("xhci: event ring[%d]:" DMA_ADDR_FMT " [%d]\n", 1114962d11e1SGerd Hoffmann v, intr->er_start, intr->er_size); 1115f1ae32a1SGerd Hoffmann } 1116f1ae32a1SGerd Hoffmann 1117f1ae32a1SGerd Hoffmann static void xhci_run(XHCIState *xhci) 1118f1ae32a1SGerd Hoffmann { 1119fc0ddacaSGerd Hoffmann trace_usb_xhci_run(); 1120f1ae32a1SGerd Hoffmann xhci->usbsts &= ~USBSTS_HCH; 1121bc72ad67SAlex Bligh xhci->mfindex_start = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL); 1122f1ae32a1SGerd Hoffmann } 1123f1ae32a1SGerd Hoffmann 1124f1ae32a1SGerd Hoffmann static void xhci_stop(XHCIState *xhci) 1125f1ae32a1SGerd Hoffmann { 1126fc0ddacaSGerd Hoffmann trace_usb_xhci_stop(); 1127f1ae32a1SGerd Hoffmann xhci->usbsts |= USBSTS_HCH; 1128f1ae32a1SGerd Hoffmann xhci->crcr_low &= ~CRCR_CRR; 1129f1ae32a1SGerd Hoffmann } 1130f1ae32a1SGerd Hoffmann 1131024426acSGerd Hoffmann static XHCIStreamContext *xhci_alloc_stream_contexts(unsigned count, 1132024426acSGerd Hoffmann dma_addr_t base) 1133024426acSGerd Hoffmann { 1134024426acSGerd Hoffmann XHCIStreamContext *stctx; 1135024426acSGerd Hoffmann unsigned int i; 1136024426acSGerd Hoffmann 1137024426acSGerd Hoffmann stctx = g_new0(XHCIStreamContext, count); 1138024426acSGerd Hoffmann for (i = 0; i < count; i++) { 1139024426acSGerd Hoffmann stctx[i].pctx = base + i * 16; 1140024426acSGerd Hoffmann stctx[i].sct = -1; 1141024426acSGerd Hoffmann } 1142024426acSGerd Hoffmann return stctx; 1143024426acSGerd Hoffmann } 1144024426acSGerd Hoffmann 1145024426acSGerd Hoffmann static void xhci_reset_streams(XHCIEPContext *epctx) 1146024426acSGerd Hoffmann { 1147024426acSGerd Hoffmann unsigned int i; 1148024426acSGerd Hoffmann 1149024426acSGerd Hoffmann for (i = 0; i < epctx->nr_pstreams; i++) { 1150024426acSGerd Hoffmann epctx->pstreams[i].sct = -1; 1151024426acSGerd Hoffmann } 1152024426acSGerd Hoffmann } 1153024426acSGerd Hoffmann 1154024426acSGerd Hoffmann static void xhci_alloc_streams(XHCIEPContext *epctx, dma_addr_t base) 1155024426acSGerd Hoffmann { 1156024426acSGerd Hoffmann assert(epctx->pstreams == NULL); 1157f90e160bSGerd Hoffmann epctx->nr_pstreams = 2 << epctx->max_pstreams; 1158024426acSGerd Hoffmann epctx->pstreams = xhci_alloc_stream_contexts(epctx->nr_pstreams, base); 1159024426acSGerd Hoffmann } 1160024426acSGerd Hoffmann 1161024426acSGerd Hoffmann static void xhci_free_streams(XHCIEPContext *epctx) 1162024426acSGerd Hoffmann { 1163024426acSGerd Hoffmann assert(epctx->pstreams != NULL); 1164024426acSGerd Hoffmann 1165024426acSGerd Hoffmann g_free(epctx->pstreams); 1166024426acSGerd Hoffmann epctx->pstreams = NULL; 1167024426acSGerd Hoffmann epctx->nr_pstreams = 0; 1168024426acSGerd Hoffmann } 1169024426acSGerd Hoffmann 117072391da5SHans de Goede static int xhci_epmask_to_eps_with_streams(XHCIState *xhci, 117172391da5SHans de Goede unsigned int slotid, 117272391da5SHans de Goede uint32_t epmask, 117372391da5SHans de Goede XHCIEPContext **epctxs, 117472391da5SHans de Goede USBEndpoint **eps) 117572391da5SHans de Goede { 117672391da5SHans de Goede XHCISlot *slot; 117772391da5SHans de Goede XHCIEPContext *epctx; 117872391da5SHans de Goede USBEndpoint *ep; 117972391da5SHans de Goede int i, j; 118072391da5SHans de Goede 118172391da5SHans de Goede assert(slotid >= 1 && slotid <= xhci->numslots); 118272391da5SHans de Goede 118372391da5SHans de Goede slot = &xhci->slots[slotid - 1]; 118472391da5SHans de Goede 118572391da5SHans de Goede for (i = 2, j = 0; i <= 31; i++) { 11863d80365bSGerd Hoffmann if (!(epmask & (1u << i))) { 118772391da5SHans de Goede continue; 118872391da5SHans de Goede } 118972391da5SHans de Goede 119072391da5SHans de Goede epctx = slot->eps[i - 1]; 119172391da5SHans de Goede ep = xhci_epid_to_usbep(xhci, slotid, i); 119272391da5SHans de Goede if (!epctx || !epctx->nr_pstreams || !ep) { 119372391da5SHans de Goede continue; 119472391da5SHans de Goede } 119572391da5SHans de Goede 119672391da5SHans de Goede if (epctxs) { 119772391da5SHans de Goede epctxs[j] = epctx; 119872391da5SHans de Goede } 119972391da5SHans de Goede eps[j++] = ep; 120072391da5SHans de Goede } 120172391da5SHans de Goede return j; 120272391da5SHans de Goede } 120372391da5SHans de Goede 120472391da5SHans de Goede static void xhci_free_device_streams(XHCIState *xhci, unsigned int slotid, 120572391da5SHans de Goede uint32_t epmask) 120672391da5SHans de Goede { 120772391da5SHans de Goede USBEndpoint *eps[30]; 120872391da5SHans de Goede int nr_eps; 120972391da5SHans de Goede 121072391da5SHans de Goede nr_eps = xhci_epmask_to_eps_with_streams(xhci, slotid, epmask, NULL, eps); 121172391da5SHans de Goede if (nr_eps) { 121272391da5SHans de Goede usb_device_free_streams(eps[0]->dev, eps, nr_eps); 121372391da5SHans de Goede } 121472391da5SHans de Goede } 121572391da5SHans de Goede 121672391da5SHans de Goede static TRBCCode xhci_alloc_device_streams(XHCIState *xhci, unsigned int slotid, 121772391da5SHans de Goede uint32_t epmask) 121872391da5SHans de Goede { 121972391da5SHans de Goede XHCIEPContext *epctxs[30]; 122072391da5SHans de Goede USBEndpoint *eps[30]; 122172391da5SHans de Goede int i, r, nr_eps, req_nr_streams, dev_max_streams; 122272391da5SHans de Goede 122372391da5SHans de Goede nr_eps = xhci_epmask_to_eps_with_streams(xhci, slotid, epmask, epctxs, 122472391da5SHans de Goede eps); 122572391da5SHans de Goede if (nr_eps == 0) { 122672391da5SHans de Goede return CC_SUCCESS; 122772391da5SHans de Goede } 122872391da5SHans de Goede 122972391da5SHans de Goede req_nr_streams = epctxs[0]->nr_pstreams; 123072391da5SHans de Goede dev_max_streams = eps[0]->max_streams; 123172391da5SHans de Goede 123272391da5SHans de Goede for (i = 1; i < nr_eps; i++) { 123372391da5SHans de Goede /* 123472391da5SHans de Goede * HdG: I don't expect these to ever trigger, but if they do we need 123572391da5SHans de Goede * to come up with another solution, ie group identical endpoints 123672391da5SHans de Goede * together and make an usb_device_alloc_streams call per group. 123772391da5SHans de Goede */ 123872391da5SHans de Goede if (epctxs[i]->nr_pstreams != req_nr_streams) { 123972391da5SHans de Goede FIXME("guest streams config not identical for all eps"); 124072391da5SHans de Goede return CC_RESOURCE_ERROR; 124172391da5SHans de Goede } 124272391da5SHans de Goede if (eps[i]->max_streams != dev_max_streams) { 124372391da5SHans de Goede FIXME("device streams config not identical for all eps"); 124472391da5SHans de Goede return CC_RESOURCE_ERROR; 124572391da5SHans de Goede } 124672391da5SHans de Goede } 124772391da5SHans de Goede 124872391da5SHans de Goede /* 124972391da5SHans de Goede * max-streams in both the device descriptor and in the controller is a 125072391da5SHans de Goede * power of 2. But stream id 0 is reserved, so if a device can do up to 4 125172391da5SHans de Goede * streams the guest will ask for 5 rounded up to the next power of 2 which 125272391da5SHans de Goede * becomes 8. For emulated devices usb_device_alloc_streams is a nop. 125372391da5SHans de Goede * 125472391da5SHans de Goede * For redirected devices however this is an issue, as there we must ask 125572391da5SHans de Goede * the real xhci controller to alloc streams, and the host driver for the 125672391da5SHans de Goede * real xhci controller will likely disallow allocating more streams then 125772391da5SHans de Goede * the device can handle. 125872391da5SHans de Goede * 125972391da5SHans de Goede * So we limit the requested nr_streams to the maximum number the device 126072391da5SHans de Goede * can handle. 126172391da5SHans de Goede */ 126272391da5SHans de Goede if (req_nr_streams > dev_max_streams) { 126372391da5SHans de Goede req_nr_streams = dev_max_streams; 126472391da5SHans de Goede } 126572391da5SHans de Goede 126672391da5SHans de Goede r = usb_device_alloc_streams(eps[0]->dev, eps, nr_eps, req_nr_streams); 126772391da5SHans de Goede if (r != 0) { 1268d6bb65fcSGerd Hoffmann DPRINTF("xhci: alloc streams failed\n"); 126972391da5SHans de Goede return CC_RESOURCE_ERROR; 127072391da5SHans de Goede } 127172391da5SHans de Goede 127272391da5SHans de Goede return CC_SUCCESS; 127372391da5SHans de Goede } 127472391da5SHans de Goede 1275024426acSGerd Hoffmann static XHCIStreamContext *xhci_find_stream(XHCIEPContext *epctx, 1276024426acSGerd Hoffmann unsigned int streamid, 1277024426acSGerd Hoffmann uint32_t *cc_error) 1278024426acSGerd Hoffmann { 1279024426acSGerd Hoffmann XHCIStreamContext *sctx; 1280024426acSGerd Hoffmann dma_addr_t base; 1281024426acSGerd Hoffmann uint32_t ctx[2], sct; 1282024426acSGerd Hoffmann 1283024426acSGerd Hoffmann assert(streamid != 0); 1284024426acSGerd Hoffmann if (epctx->lsa) { 1285024426acSGerd Hoffmann if (streamid >= epctx->nr_pstreams) { 1286024426acSGerd Hoffmann *cc_error = CC_INVALID_STREAM_ID_ERROR; 1287024426acSGerd Hoffmann return NULL; 1288024426acSGerd Hoffmann } 1289024426acSGerd Hoffmann sctx = epctx->pstreams + streamid; 1290024426acSGerd Hoffmann } else { 1291024426acSGerd Hoffmann FIXME("secondary streams not implemented yet"); 1292024426acSGerd Hoffmann } 1293024426acSGerd Hoffmann 1294024426acSGerd Hoffmann if (sctx->sct == -1) { 1295024426acSGerd Hoffmann xhci_dma_read_u32s(epctx->xhci, sctx->pctx, ctx, sizeof(ctx)); 1296024426acSGerd Hoffmann sct = (ctx[0] >> 1) & 0x07; 1297024426acSGerd Hoffmann if (epctx->lsa && sct != 1) { 1298024426acSGerd Hoffmann *cc_error = CC_INVALID_STREAM_TYPE_ERROR; 1299024426acSGerd Hoffmann return NULL; 1300024426acSGerd Hoffmann } 1301024426acSGerd Hoffmann sctx->sct = sct; 1302024426acSGerd Hoffmann base = xhci_addr64(ctx[0] & ~0xf, ctx[1]); 1303024426acSGerd Hoffmann xhci_ring_init(epctx->xhci, &sctx->ring, base); 1304024426acSGerd Hoffmann } 1305024426acSGerd Hoffmann return sctx; 1306024426acSGerd Hoffmann } 1307024426acSGerd Hoffmann 1308f1ae32a1SGerd Hoffmann static void xhci_set_ep_state(XHCIState *xhci, XHCIEPContext *epctx, 1309024426acSGerd Hoffmann XHCIStreamContext *sctx, uint32_t state) 1310f1ae32a1SGerd Hoffmann { 1311c90daa1cSHans de Goede XHCIRing *ring = NULL; 1312f1ae32a1SGerd Hoffmann uint32_t ctx[5]; 1313024426acSGerd Hoffmann uint32_t ctx2[2]; 1314f1ae32a1SGerd Hoffmann 1315616b5d53SDavid Gibson xhci_dma_read_u32s(xhci, epctx->pctx, ctx, sizeof(ctx)); 1316f1ae32a1SGerd Hoffmann ctx[0] &= ~EP_STATE_MASK; 1317f1ae32a1SGerd Hoffmann ctx[0] |= state; 1318024426acSGerd Hoffmann 1319024426acSGerd Hoffmann /* update ring dequeue ptr */ 1320024426acSGerd Hoffmann if (epctx->nr_pstreams) { 1321024426acSGerd Hoffmann if (sctx != NULL) { 1322c90daa1cSHans de Goede ring = &sctx->ring; 1323024426acSGerd Hoffmann xhci_dma_read_u32s(xhci, sctx->pctx, ctx2, sizeof(ctx2)); 1324024426acSGerd Hoffmann ctx2[0] &= 0xe; 1325024426acSGerd Hoffmann ctx2[0] |= sctx->ring.dequeue | sctx->ring.ccs; 1326024426acSGerd Hoffmann ctx2[1] = (sctx->ring.dequeue >> 16) >> 16; 1327024426acSGerd Hoffmann xhci_dma_write_u32s(xhci, sctx->pctx, ctx2, sizeof(ctx2)); 1328024426acSGerd Hoffmann } 1329024426acSGerd Hoffmann } else { 1330c90daa1cSHans de Goede ring = &epctx->ring; 1331c90daa1cSHans de Goede } 1332c90daa1cSHans de Goede if (ring) { 1333c90daa1cSHans de Goede ctx[2] = ring->dequeue | ring->ccs; 1334c90daa1cSHans de Goede ctx[3] = (ring->dequeue >> 16) >> 16; 1335c90daa1cSHans de Goede 133659a70ccdSDavid Gibson DPRINTF("xhci: set epctx: " DMA_ADDR_FMT " state=%d dequeue=%08x%08x\n", 1337f1ae32a1SGerd Hoffmann epctx->pctx, state, ctx[3], ctx[2]); 1338024426acSGerd Hoffmann } 1339024426acSGerd Hoffmann 1340616b5d53SDavid Gibson xhci_dma_write_u32s(xhci, epctx->pctx, ctx, sizeof(ctx)); 13411c82392aSGerd Hoffmann if (epctx->state != state) { 13421c82392aSGerd Hoffmann trace_usb_xhci_ep_state(epctx->slotid, epctx->epid, 13431c82392aSGerd Hoffmann ep_state_name(epctx->state), 13441c82392aSGerd Hoffmann ep_state_name(state)); 13451c82392aSGerd Hoffmann } 1346f1ae32a1SGerd Hoffmann epctx->state = state; 1347f1ae32a1SGerd Hoffmann } 1348f1ae32a1SGerd Hoffmann 13493d139684SGerd Hoffmann static void xhci_ep_kick_timer(void *opaque) 13503d139684SGerd Hoffmann { 13513d139684SGerd Hoffmann XHCIEPContext *epctx = opaque; 1352024426acSGerd Hoffmann xhci_kick_ep(epctx->xhci, epctx->slotid, epctx->epid, 0); 13533d139684SGerd Hoffmann } 13543d139684SGerd Hoffmann 1355492b21f6SGerd Hoffmann static XHCIEPContext *xhci_alloc_epctx(XHCIState *xhci, 1356492b21f6SGerd Hoffmann unsigned int slotid, 1357492b21f6SGerd Hoffmann unsigned int epid) 1358492b21f6SGerd Hoffmann { 1359492b21f6SGerd Hoffmann XHCIEPContext *epctx; 1360492b21f6SGerd Hoffmann int i; 1361492b21f6SGerd Hoffmann 1362492b21f6SGerd Hoffmann epctx = g_new0(XHCIEPContext, 1); 1363492b21f6SGerd Hoffmann epctx->xhci = xhci; 1364492b21f6SGerd Hoffmann epctx->slotid = slotid; 1365492b21f6SGerd Hoffmann epctx->epid = epid; 1366492b21f6SGerd Hoffmann 1367492b21f6SGerd Hoffmann for (i = 0; i < ARRAY_SIZE(epctx->transfers); i++) { 13684c5d82ecSHans de Goede epctx->transfers[i].xhci = xhci; 13694c5d82ecSHans de Goede epctx->transfers[i].slotid = slotid; 13704c5d82ecSHans de Goede epctx->transfers[i].epid = epid; 1371492b21f6SGerd Hoffmann usb_packet_init(&epctx->transfers[i].packet); 1372492b21f6SGerd Hoffmann } 1373bc72ad67SAlex Bligh epctx->kick_timer = timer_new_ns(QEMU_CLOCK_VIRTUAL, xhci_ep_kick_timer, epctx); 1374492b21f6SGerd Hoffmann 1375492b21f6SGerd Hoffmann return epctx; 1376492b21f6SGerd Hoffmann } 1377492b21f6SGerd Hoffmann 1378003e15a1SGerd Hoffmann static void xhci_init_epctx(XHCIEPContext *epctx, 1379003e15a1SGerd Hoffmann dma_addr_t pctx, uint32_t *ctx) 1380f1ae32a1SGerd Hoffmann { 138159a70ccdSDavid Gibson dma_addr_t dequeue; 1382f1ae32a1SGerd Hoffmann 1383f1ae32a1SGerd Hoffmann dequeue = xhci_addr64(ctx[2] & ~0xf, ctx[3]); 1384f1ae32a1SGerd Hoffmann 1385f1ae32a1SGerd Hoffmann epctx->type = (ctx[1] >> EP_TYPE_SHIFT) & EP_TYPE_MASK; 1386f1ae32a1SGerd Hoffmann epctx->pctx = pctx; 1387f1ae32a1SGerd Hoffmann epctx->max_psize = ctx[1]>>16; 1388f1ae32a1SGerd Hoffmann epctx->max_psize *= 1+((ctx[1]>>8)&0xff); 1389*2aa6bfcbSGerd Hoffmann epctx->max_pstreams = (ctx[0] >> 10) & epctx->xhci->max_pstreams_mask; 1390024426acSGerd Hoffmann epctx->lsa = (ctx[0] >> 15) & 1; 1391024426acSGerd Hoffmann if (epctx->max_pstreams) { 1392024426acSGerd Hoffmann xhci_alloc_streams(epctx, dequeue); 1393024426acSGerd Hoffmann } else { 1394003e15a1SGerd Hoffmann xhci_ring_init(epctx->xhci, &epctx->ring, dequeue); 1395024426acSGerd Hoffmann epctx->ring.ccs = ctx[2] & 1; 1396024426acSGerd Hoffmann } 1397f1ae32a1SGerd Hoffmann 1398ca716278SGerd Hoffmann epctx->interval = 1 << ((ctx[0] >> 16) & 0xff); 1399003e15a1SGerd Hoffmann } 1400003e15a1SGerd Hoffmann 1401003e15a1SGerd Hoffmann static TRBCCode xhci_enable_ep(XHCIState *xhci, unsigned int slotid, 1402003e15a1SGerd Hoffmann unsigned int epid, dma_addr_t pctx, 1403003e15a1SGerd Hoffmann uint32_t *ctx) 1404003e15a1SGerd Hoffmann { 1405003e15a1SGerd Hoffmann XHCISlot *slot; 1406003e15a1SGerd Hoffmann XHCIEPContext *epctx; 1407003e15a1SGerd Hoffmann 1408003e15a1SGerd Hoffmann trace_usb_xhci_ep_enable(slotid, epid); 1409003e15a1SGerd Hoffmann assert(slotid >= 1 && slotid <= xhci->numslots); 1410003e15a1SGerd Hoffmann assert(epid >= 1 && epid <= 31); 1411003e15a1SGerd Hoffmann 1412003e15a1SGerd Hoffmann slot = &xhci->slots[slotid-1]; 1413003e15a1SGerd Hoffmann if (slot->eps[epid-1]) { 1414003e15a1SGerd Hoffmann xhci_disable_ep(xhci, slotid, epid); 1415003e15a1SGerd Hoffmann } 1416003e15a1SGerd Hoffmann 1417003e15a1SGerd Hoffmann epctx = xhci_alloc_epctx(xhci, slotid, epid); 1418003e15a1SGerd Hoffmann slot->eps[epid-1] = epctx; 1419003e15a1SGerd Hoffmann xhci_init_epctx(epctx, pctx, ctx); 1420003e15a1SGerd Hoffmann 14218c244210SGonglei DPRINTF("xhci: endpoint %d.%d type is %d, max transaction (burst) " 14228c244210SGonglei "size is %d\n", epid/2, epid%2, epctx->type, epctx->max_psize); 14238c244210SGonglei 14243d139684SGerd Hoffmann epctx->mfindex_last = 0; 14253d139684SGerd Hoffmann 1426f1ae32a1SGerd Hoffmann epctx->state = EP_RUNNING; 1427f1ae32a1SGerd Hoffmann ctx[0] &= ~EP_STATE_MASK; 1428f1ae32a1SGerd Hoffmann ctx[0] |= EP_RUNNING; 1429f1ae32a1SGerd Hoffmann 1430f1ae32a1SGerd Hoffmann return CC_SUCCESS; 1431f1ae32a1SGerd Hoffmann } 1432f1ae32a1SGerd Hoffmann 1433582d6f4aSHans de Goede static int xhci_ep_nuke_one_xfer(XHCITransfer *t, TRBCCode report) 14343151f209SHans de Goede { 14353151f209SHans de Goede int killed = 0; 14363151f209SHans de Goede 1437582d6f4aSHans de Goede if (report && (t->running_async || t->running_retry)) { 1438582d6f4aSHans de Goede t->status = report; 1439582d6f4aSHans de Goede xhci_xfer_report(t); 1440582d6f4aSHans de Goede } 1441582d6f4aSHans de Goede 14423151f209SHans de Goede if (t->running_async) { 14433151f209SHans de Goede usb_cancel_packet(&t->packet); 14443151f209SHans de Goede t->running_async = 0; 14453151f209SHans de Goede killed = 1; 14463151f209SHans de Goede } 14473151f209SHans de Goede if (t->running_retry) { 14483151f209SHans de Goede XHCIEPContext *epctx = t->xhci->slots[t->slotid-1].eps[t->epid-1]; 14493151f209SHans de Goede if (epctx) { 14503151f209SHans de Goede epctx->retry = NULL; 1451bc72ad67SAlex Bligh timer_del(epctx->kick_timer); 14523151f209SHans de Goede } 14533151f209SHans de Goede t->running_retry = 0; 1454582d6f4aSHans de Goede killed = 1; 14553151f209SHans de Goede } 14563151f209SHans de Goede if (t->trbs) { 14573151f209SHans de Goede g_free(t->trbs); 14583151f209SHans de Goede } 14593151f209SHans de Goede 14603151f209SHans de Goede t->trbs = NULL; 14613151f209SHans de Goede t->trb_count = t->trb_alloced = 0; 14623151f209SHans de Goede 14633151f209SHans de Goede return killed; 14643151f209SHans de Goede } 14653151f209SHans de Goede 1466f1ae32a1SGerd Hoffmann static int xhci_ep_nuke_xfers(XHCIState *xhci, unsigned int slotid, 1467582d6f4aSHans de Goede unsigned int epid, TRBCCode report) 1468f1ae32a1SGerd Hoffmann { 1469f1ae32a1SGerd Hoffmann XHCISlot *slot; 1470f1ae32a1SGerd Hoffmann XHCIEPContext *epctx; 1471f1ae32a1SGerd Hoffmann int i, xferi, killed = 0; 1472f79738b0SHans de Goede USBEndpoint *ep = NULL; 147391062ae0SGerd Hoffmann assert(slotid >= 1 && slotid <= xhci->numslots); 1474f1ae32a1SGerd Hoffmann assert(epid >= 1 && epid <= 31); 1475f1ae32a1SGerd Hoffmann 1476f1ae32a1SGerd Hoffmann DPRINTF("xhci_ep_nuke_xfers(%d, %d)\n", slotid, epid); 1477f1ae32a1SGerd Hoffmann 1478f1ae32a1SGerd Hoffmann slot = &xhci->slots[slotid-1]; 1479f1ae32a1SGerd Hoffmann 1480f1ae32a1SGerd Hoffmann if (!slot->eps[epid-1]) { 1481f1ae32a1SGerd Hoffmann return 0; 1482f1ae32a1SGerd Hoffmann } 1483f1ae32a1SGerd Hoffmann 1484f1ae32a1SGerd Hoffmann epctx = slot->eps[epid-1]; 1485f1ae32a1SGerd Hoffmann 1486f1ae32a1SGerd Hoffmann xferi = epctx->next_xfer; 1487f1ae32a1SGerd Hoffmann for (i = 0; i < TD_QUEUE; i++) { 1488582d6f4aSHans de Goede killed += xhci_ep_nuke_one_xfer(&epctx->transfers[xferi], report); 1489582d6f4aSHans de Goede if (killed) { 1490582d6f4aSHans de Goede report = 0; /* Only report once */ 1491582d6f4aSHans de Goede } 14920cb41e2cSGerd Hoffmann epctx->transfers[xferi].packet.ep = NULL; 1493f1ae32a1SGerd Hoffmann xferi = (xferi + 1) % TD_QUEUE; 1494f1ae32a1SGerd Hoffmann } 1495518ad5f2SHans de Goede 1496518ad5f2SHans de Goede ep = xhci_epid_to_usbep(xhci, slotid, epid); 1497f79738b0SHans de Goede if (ep) { 1498f79738b0SHans de Goede usb_device_ep_stopped(ep->dev, ep); 1499f79738b0SHans de Goede } 1500f1ae32a1SGerd Hoffmann return killed; 1501f1ae32a1SGerd Hoffmann } 1502f1ae32a1SGerd Hoffmann 1503f1ae32a1SGerd Hoffmann static TRBCCode xhci_disable_ep(XHCIState *xhci, unsigned int slotid, 1504f1ae32a1SGerd Hoffmann unsigned int epid) 1505f1ae32a1SGerd Hoffmann { 1506f1ae32a1SGerd Hoffmann XHCISlot *slot; 1507f1ae32a1SGerd Hoffmann XHCIEPContext *epctx; 1508b21da4e5SHans de Goede int i; 1509f1ae32a1SGerd Hoffmann 1510c1f6b493SGerd Hoffmann trace_usb_xhci_ep_disable(slotid, epid); 151191062ae0SGerd Hoffmann assert(slotid >= 1 && slotid <= xhci->numslots); 1512f1ae32a1SGerd Hoffmann assert(epid >= 1 && epid <= 31); 1513f1ae32a1SGerd Hoffmann 1514f1ae32a1SGerd Hoffmann slot = &xhci->slots[slotid-1]; 1515f1ae32a1SGerd Hoffmann 1516f1ae32a1SGerd Hoffmann if (!slot->eps[epid-1]) { 1517f1ae32a1SGerd Hoffmann DPRINTF("xhci: slot %d ep %d already disabled\n", slotid, epid); 1518f1ae32a1SGerd Hoffmann return CC_SUCCESS; 1519f1ae32a1SGerd Hoffmann } 1520f1ae32a1SGerd Hoffmann 1521582d6f4aSHans de Goede xhci_ep_nuke_xfers(xhci, slotid, epid, 0); 1522f1ae32a1SGerd Hoffmann 1523f1ae32a1SGerd Hoffmann epctx = slot->eps[epid-1]; 1524f1ae32a1SGerd Hoffmann 1525024426acSGerd Hoffmann if (epctx->nr_pstreams) { 1526024426acSGerd Hoffmann xhci_free_streams(epctx); 1527024426acSGerd Hoffmann } 1528024426acSGerd Hoffmann 1529b21da4e5SHans de Goede for (i = 0; i < ARRAY_SIZE(epctx->transfers); i++) { 1530b21da4e5SHans de Goede usb_packet_cleanup(&epctx->transfers[i].packet); 1531b21da4e5SHans de Goede } 1532b21da4e5SHans de Goede 1533024426acSGerd Hoffmann xhci_set_ep_state(xhci, epctx, NULL, EP_DISABLED); 1534f1ae32a1SGerd Hoffmann 1535bc72ad67SAlex Bligh timer_free(epctx->kick_timer); 1536f1ae32a1SGerd Hoffmann g_free(epctx); 1537f1ae32a1SGerd Hoffmann slot->eps[epid-1] = NULL; 1538f1ae32a1SGerd Hoffmann 1539f1ae32a1SGerd Hoffmann return CC_SUCCESS; 1540f1ae32a1SGerd Hoffmann } 1541f1ae32a1SGerd Hoffmann 1542f1ae32a1SGerd Hoffmann static TRBCCode xhci_stop_ep(XHCIState *xhci, unsigned int slotid, 1543f1ae32a1SGerd Hoffmann unsigned int epid) 1544f1ae32a1SGerd Hoffmann { 1545f1ae32a1SGerd Hoffmann XHCISlot *slot; 1546f1ae32a1SGerd Hoffmann XHCIEPContext *epctx; 1547f1ae32a1SGerd Hoffmann 1548c1f6b493SGerd Hoffmann trace_usb_xhci_ep_stop(slotid, epid); 154991062ae0SGerd Hoffmann assert(slotid >= 1 && slotid <= xhci->numslots); 1550f1ae32a1SGerd Hoffmann 1551f1ae32a1SGerd Hoffmann if (epid < 1 || epid > 31) { 1552d6bb65fcSGerd Hoffmann DPRINTF("xhci: bad ep %d\n", epid); 1553f1ae32a1SGerd Hoffmann return CC_TRB_ERROR; 1554f1ae32a1SGerd Hoffmann } 1555f1ae32a1SGerd Hoffmann 1556f1ae32a1SGerd Hoffmann slot = &xhci->slots[slotid-1]; 1557f1ae32a1SGerd Hoffmann 1558f1ae32a1SGerd Hoffmann if (!slot->eps[epid-1]) { 1559f1ae32a1SGerd Hoffmann DPRINTF("xhci: slot %d ep %d not enabled\n", slotid, epid); 1560f1ae32a1SGerd Hoffmann return CC_EP_NOT_ENABLED_ERROR; 1561f1ae32a1SGerd Hoffmann } 1562f1ae32a1SGerd Hoffmann 1563582d6f4aSHans de Goede if (xhci_ep_nuke_xfers(xhci, slotid, epid, CC_STOPPED) > 0) { 1564d6bb65fcSGerd Hoffmann DPRINTF("xhci: FIXME: endpoint stopped w/ xfers running, " 1565f1ae32a1SGerd Hoffmann "data might be lost\n"); 1566f1ae32a1SGerd Hoffmann } 1567f1ae32a1SGerd Hoffmann 1568f1ae32a1SGerd Hoffmann epctx = slot->eps[epid-1]; 1569f1ae32a1SGerd Hoffmann 1570024426acSGerd Hoffmann xhci_set_ep_state(xhci, epctx, NULL, EP_STOPPED); 1571024426acSGerd Hoffmann 1572024426acSGerd Hoffmann if (epctx->nr_pstreams) { 1573024426acSGerd Hoffmann xhci_reset_streams(epctx); 1574024426acSGerd Hoffmann } 1575f1ae32a1SGerd Hoffmann 1576f1ae32a1SGerd Hoffmann return CC_SUCCESS; 1577f1ae32a1SGerd Hoffmann } 1578f1ae32a1SGerd Hoffmann 1579f1ae32a1SGerd Hoffmann static TRBCCode xhci_reset_ep(XHCIState *xhci, unsigned int slotid, 1580f1ae32a1SGerd Hoffmann unsigned int epid) 1581f1ae32a1SGerd Hoffmann { 1582f1ae32a1SGerd Hoffmann XHCISlot *slot; 1583f1ae32a1SGerd Hoffmann XHCIEPContext *epctx; 1584f1ae32a1SGerd Hoffmann 1585c1f6b493SGerd Hoffmann trace_usb_xhci_ep_reset(slotid, epid); 158691062ae0SGerd Hoffmann assert(slotid >= 1 && slotid <= xhci->numslots); 1587f1ae32a1SGerd Hoffmann 1588f1ae32a1SGerd Hoffmann if (epid < 1 || epid > 31) { 1589d6bb65fcSGerd Hoffmann DPRINTF("xhci: bad ep %d\n", epid); 1590f1ae32a1SGerd Hoffmann return CC_TRB_ERROR; 1591f1ae32a1SGerd Hoffmann } 1592f1ae32a1SGerd Hoffmann 1593f1ae32a1SGerd Hoffmann slot = &xhci->slots[slotid-1]; 1594f1ae32a1SGerd Hoffmann 1595f1ae32a1SGerd Hoffmann if (!slot->eps[epid-1]) { 1596f1ae32a1SGerd Hoffmann DPRINTF("xhci: slot %d ep %d not enabled\n", slotid, epid); 1597f1ae32a1SGerd Hoffmann return CC_EP_NOT_ENABLED_ERROR; 1598f1ae32a1SGerd Hoffmann } 1599f1ae32a1SGerd Hoffmann 1600f1ae32a1SGerd Hoffmann epctx = slot->eps[epid-1]; 1601f1ae32a1SGerd Hoffmann 1602f1ae32a1SGerd Hoffmann if (epctx->state != EP_HALTED) { 1603d6bb65fcSGerd Hoffmann DPRINTF("xhci: reset EP while EP %d not halted (%d)\n", 1604f1ae32a1SGerd Hoffmann epid, epctx->state); 1605f1ae32a1SGerd Hoffmann return CC_CONTEXT_STATE_ERROR; 1606f1ae32a1SGerd Hoffmann } 1607f1ae32a1SGerd Hoffmann 1608582d6f4aSHans de Goede if (xhci_ep_nuke_xfers(xhci, slotid, epid, 0) > 0) { 1609d6bb65fcSGerd Hoffmann DPRINTF("xhci: FIXME: endpoint reset w/ xfers running, " 1610f1ae32a1SGerd Hoffmann "data might be lost\n"); 1611f1ae32a1SGerd Hoffmann } 1612f1ae32a1SGerd Hoffmann 161375cc1c1fSGerd Hoffmann if (!xhci->slots[slotid-1].uport || 1614de9de157SHans de Goede !xhci->slots[slotid-1].uport->dev || 1615de9de157SHans de Goede !xhci->slots[slotid-1].uport->dev->attached) { 1616f1ae32a1SGerd Hoffmann return CC_USB_TRANSACTION_ERROR; 1617f1ae32a1SGerd Hoffmann } 1618f1ae32a1SGerd Hoffmann 1619024426acSGerd Hoffmann xhci_set_ep_state(xhci, epctx, NULL, EP_STOPPED); 1620024426acSGerd Hoffmann 1621024426acSGerd Hoffmann if (epctx->nr_pstreams) { 1622024426acSGerd Hoffmann xhci_reset_streams(epctx); 1623024426acSGerd Hoffmann } 1624f1ae32a1SGerd Hoffmann 1625f1ae32a1SGerd Hoffmann return CC_SUCCESS; 1626f1ae32a1SGerd Hoffmann } 1627f1ae32a1SGerd Hoffmann 1628f1ae32a1SGerd Hoffmann static TRBCCode xhci_set_ep_dequeue(XHCIState *xhci, unsigned int slotid, 1629024426acSGerd Hoffmann unsigned int epid, unsigned int streamid, 1630024426acSGerd Hoffmann uint64_t pdequeue) 1631f1ae32a1SGerd Hoffmann { 1632f1ae32a1SGerd Hoffmann XHCISlot *slot; 1633f1ae32a1SGerd Hoffmann XHCIEPContext *epctx; 1634024426acSGerd Hoffmann XHCIStreamContext *sctx; 163559a70ccdSDavid Gibson dma_addr_t dequeue; 1636f1ae32a1SGerd Hoffmann 163791062ae0SGerd Hoffmann assert(slotid >= 1 && slotid <= xhci->numslots); 1638f1ae32a1SGerd Hoffmann 1639f1ae32a1SGerd Hoffmann if (epid < 1 || epid > 31) { 1640d6bb65fcSGerd Hoffmann DPRINTF("xhci: bad ep %d\n", epid); 1641f1ae32a1SGerd Hoffmann return CC_TRB_ERROR; 1642f1ae32a1SGerd Hoffmann } 1643f1ae32a1SGerd Hoffmann 1644024426acSGerd Hoffmann trace_usb_xhci_ep_set_dequeue(slotid, epid, streamid, pdequeue); 1645f1ae32a1SGerd Hoffmann dequeue = xhci_mask64(pdequeue); 1646f1ae32a1SGerd Hoffmann 1647f1ae32a1SGerd Hoffmann slot = &xhci->slots[slotid-1]; 1648f1ae32a1SGerd Hoffmann 1649f1ae32a1SGerd Hoffmann if (!slot->eps[epid-1]) { 1650f1ae32a1SGerd Hoffmann DPRINTF("xhci: slot %d ep %d not enabled\n", slotid, epid); 1651f1ae32a1SGerd Hoffmann return CC_EP_NOT_ENABLED_ERROR; 1652f1ae32a1SGerd Hoffmann } 1653f1ae32a1SGerd Hoffmann 1654f1ae32a1SGerd Hoffmann epctx = slot->eps[epid-1]; 1655f1ae32a1SGerd Hoffmann 1656f1ae32a1SGerd Hoffmann if (epctx->state != EP_STOPPED) { 1657d6bb65fcSGerd Hoffmann DPRINTF("xhci: set EP dequeue pointer while EP %d not stopped\n", epid); 1658f1ae32a1SGerd Hoffmann return CC_CONTEXT_STATE_ERROR; 1659f1ae32a1SGerd Hoffmann } 1660f1ae32a1SGerd Hoffmann 1661024426acSGerd Hoffmann if (epctx->nr_pstreams) { 1662024426acSGerd Hoffmann uint32_t err; 1663024426acSGerd Hoffmann sctx = xhci_find_stream(epctx, streamid, &err); 1664024426acSGerd Hoffmann if (sctx == NULL) { 1665024426acSGerd Hoffmann return err; 1666024426acSGerd Hoffmann } 1667024426acSGerd Hoffmann xhci_ring_init(xhci, &sctx->ring, dequeue & ~0xf); 1668024426acSGerd Hoffmann sctx->ring.ccs = dequeue & 1; 1669024426acSGerd Hoffmann } else { 1670024426acSGerd Hoffmann sctx = NULL; 1671f1ae32a1SGerd Hoffmann xhci_ring_init(xhci, &epctx->ring, dequeue & ~0xF); 1672f1ae32a1SGerd Hoffmann epctx->ring.ccs = dequeue & 1; 1673024426acSGerd Hoffmann } 1674f1ae32a1SGerd Hoffmann 1675024426acSGerd Hoffmann xhci_set_ep_state(xhci, epctx, sctx, EP_STOPPED); 1676f1ae32a1SGerd Hoffmann 1677f1ae32a1SGerd Hoffmann return CC_SUCCESS; 1678f1ae32a1SGerd Hoffmann } 1679f1ae32a1SGerd Hoffmann 1680a6fb2ddbSHans de Goede static int xhci_xfer_create_sgl(XHCITransfer *xfer, int in_xfer) 1681f1ae32a1SGerd Hoffmann { 1682f1ae32a1SGerd Hoffmann XHCIState *xhci = xfer->xhci; 1683d5a15814SGerd Hoffmann int i; 1684f1ae32a1SGerd Hoffmann 1685a6fb2ddbSHans de Goede xfer->int_req = false; 16869b7d3334SAndreas Färber pci_dma_sglist_init(&xfer->sgl, PCI_DEVICE(xhci), xfer->trb_count); 1687f1ae32a1SGerd Hoffmann for (i = 0; i < xfer->trb_count; i++) { 1688f1ae32a1SGerd Hoffmann XHCITRB *trb = &xfer->trbs[i]; 168959a70ccdSDavid Gibson dma_addr_t addr; 1690f1ae32a1SGerd Hoffmann unsigned int chunk = 0; 1691f1ae32a1SGerd Hoffmann 1692a6fb2ddbSHans de Goede if (trb->control & TRB_TR_IOC) { 1693a6fb2ddbSHans de Goede xfer->int_req = true; 1694a6fb2ddbSHans de Goede } 1695a6fb2ddbSHans de Goede 1696f1ae32a1SGerd Hoffmann switch (TRB_TYPE(*trb)) { 1697f1ae32a1SGerd Hoffmann case TR_DATA: 1698f1ae32a1SGerd Hoffmann if ((!(trb->control & TRB_TR_DIR)) != (!in_xfer)) { 1699d6bb65fcSGerd Hoffmann DPRINTF("xhci: data direction mismatch for TR_DATA\n"); 1700d5a15814SGerd Hoffmann goto err; 1701f1ae32a1SGerd Hoffmann } 1702f1ae32a1SGerd Hoffmann /* fallthrough */ 1703f1ae32a1SGerd Hoffmann case TR_NORMAL: 1704f1ae32a1SGerd Hoffmann case TR_ISOCH: 1705f1ae32a1SGerd Hoffmann addr = xhci_mask64(trb->parameter); 1706f1ae32a1SGerd Hoffmann chunk = trb->status & 0x1ffff; 1707f1ae32a1SGerd Hoffmann if (trb->control & TRB_TR_IDT) { 1708f1ae32a1SGerd Hoffmann if (chunk > 8 || in_xfer) { 1709d6bb65fcSGerd Hoffmann DPRINTF("xhci: invalid immediate data TRB\n"); 1710d5a15814SGerd Hoffmann goto err; 1711d5a15814SGerd Hoffmann } 1712d5a15814SGerd Hoffmann qemu_sglist_add(&xfer->sgl, trb->addr, chunk); 1713d5a15814SGerd Hoffmann } else { 1714d5a15814SGerd Hoffmann qemu_sglist_add(&xfer->sgl, addr, chunk); 1715d5a15814SGerd Hoffmann } 1716d5a15814SGerd Hoffmann break; 1717d5a15814SGerd Hoffmann } 1718d5a15814SGerd Hoffmann } 1719d5a15814SGerd Hoffmann 1720d5a15814SGerd Hoffmann return 0; 1721d5a15814SGerd Hoffmann 1722d5a15814SGerd Hoffmann err: 1723d5a15814SGerd Hoffmann qemu_sglist_destroy(&xfer->sgl); 1724f1ae32a1SGerd Hoffmann xhci_die(xhci); 1725d5a15814SGerd Hoffmann return -1; 1726f1ae32a1SGerd Hoffmann } 1727d5a15814SGerd Hoffmann 1728d5a15814SGerd Hoffmann static void xhci_xfer_unmap(XHCITransfer *xfer) 1729d5a15814SGerd Hoffmann { 1730d5a15814SGerd Hoffmann usb_packet_unmap(&xfer->packet, &xfer->sgl); 1731d5a15814SGerd Hoffmann qemu_sglist_destroy(&xfer->sgl); 1732f1ae32a1SGerd Hoffmann } 1733d5a15814SGerd Hoffmann 1734d5a15814SGerd Hoffmann static void xhci_xfer_report(XHCITransfer *xfer) 1735d5a15814SGerd Hoffmann { 1736d5a15814SGerd Hoffmann uint32_t edtla = 0; 1737d5a15814SGerd Hoffmann unsigned int left; 1738d5a15814SGerd Hoffmann bool reported = 0; 1739d5a15814SGerd Hoffmann bool shortpkt = 0; 1740d5a15814SGerd Hoffmann XHCIEvent event = {ER_TRANSFER, CC_SUCCESS}; 1741d5a15814SGerd Hoffmann XHCIState *xhci = xfer->xhci; 1742f1ae32a1SGerd Hoffmann int i; 1743d5a15814SGerd Hoffmann 17449b8251c5SHans de Goede left = xfer->packet.actual_length; 1745d5a15814SGerd Hoffmann 1746d5a15814SGerd Hoffmann for (i = 0; i < xfer->trb_count; i++) { 1747d5a15814SGerd Hoffmann XHCITRB *trb = &xfer->trbs[i]; 1748d5a15814SGerd Hoffmann unsigned int chunk = 0; 1749d5a15814SGerd Hoffmann 1750d5a15814SGerd Hoffmann switch (TRB_TYPE(*trb)) { 1751d5a15814SGerd Hoffmann case TR_DATA: 1752d5a15814SGerd Hoffmann case TR_NORMAL: 1753d5a15814SGerd Hoffmann case TR_ISOCH: 1754d5a15814SGerd Hoffmann chunk = trb->status & 0x1ffff; 1755d5a15814SGerd Hoffmann if (chunk > left) { 1756d5a15814SGerd Hoffmann chunk = left; 1757d5a15814SGerd Hoffmann if (xfer->status == CC_SUCCESS) { 1758d5a15814SGerd Hoffmann shortpkt = 1; 1759f1ae32a1SGerd Hoffmann } 1760f1ae32a1SGerd Hoffmann } 1761f1ae32a1SGerd Hoffmann left -= chunk; 1762f1ae32a1SGerd Hoffmann edtla += chunk; 1763f1ae32a1SGerd Hoffmann break; 1764f1ae32a1SGerd Hoffmann case TR_STATUS: 1765f1ae32a1SGerd Hoffmann reported = 0; 1766f1ae32a1SGerd Hoffmann shortpkt = 0; 1767f1ae32a1SGerd Hoffmann break; 1768f1ae32a1SGerd Hoffmann } 1769f1ae32a1SGerd Hoffmann 1770d5a15814SGerd Hoffmann if (!reported && ((trb->control & TRB_TR_IOC) || 1771d5a15814SGerd Hoffmann (shortpkt && (trb->control & TRB_TR_ISP)) || 17729b8251c5SHans de Goede (xfer->status != CC_SUCCESS && left == 0))) { 1773f1ae32a1SGerd Hoffmann event.slotid = xfer->slotid; 1774f1ae32a1SGerd Hoffmann event.epid = xfer->epid; 1775f1ae32a1SGerd Hoffmann event.length = (trb->status & 0x1ffff) - chunk; 1776f1ae32a1SGerd Hoffmann event.flags = 0; 1777f1ae32a1SGerd Hoffmann event.ptr = trb->addr; 1778f1ae32a1SGerd Hoffmann if (xfer->status == CC_SUCCESS) { 1779f1ae32a1SGerd Hoffmann event.ccode = shortpkt ? CC_SHORT_PACKET : CC_SUCCESS; 1780f1ae32a1SGerd Hoffmann } else { 1781f1ae32a1SGerd Hoffmann event.ccode = xfer->status; 1782f1ae32a1SGerd Hoffmann } 1783f1ae32a1SGerd Hoffmann if (TRB_TYPE(*trb) == TR_EVDATA) { 1784f1ae32a1SGerd Hoffmann event.ptr = trb->parameter; 1785f1ae32a1SGerd Hoffmann event.flags |= TRB_EV_ED; 1786f1ae32a1SGerd Hoffmann event.length = edtla & 0xffffff; 1787f1ae32a1SGerd Hoffmann DPRINTF("xhci_xfer_data: EDTLA=%d\n", event.length); 1788f1ae32a1SGerd Hoffmann edtla = 0; 1789f1ae32a1SGerd Hoffmann } 17902d1de850SGerd Hoffmann xhci_event(xhci, &event, TRB_INTR(*trb)); 1791f1ae32a1SGerd Hoffmann reported = 1; 1792d5a15814SGerd Hoffmann if (xfer->status != CC_SUCCESS) { 1793d5a15814SGerd Hoffmann return; 1794f1ae32a1SGerd Hoffmann } 1795f1ae32a1SGerd Hoffmann } 1796d5a15814SGerd Hoffmann } 1797f1ae32a1SGerd Hoffmann } 1798f1ae32a1SGerd Hoffmann 1799f1ae32a1SGerd Hoffmann static void xhci_stall_ep(XHCITransfer *xfer) 1800f1ae32a1SGerd Hoffmann { 1801f1ae32a1SGerd Hoffmann XHCIState *xhci = xfer->xhci; 1802f1ae32a1SGerd Hoffmann XHCISlot *slot = &xhci->slots[xfer->slotid-1]; 1803f1ae32a1SGerd Hoffmann XHCIEPContext *epctx = slot->eps[xfer->epid-1]; 1804024426acSGerd Hoffmann uint32_t err; 1805024426acSGerd Hoffmann XHCIStreamContext *sctx; 1806f1ae32a1SGerd Hoffmann 1807024426acSGerd Hoffmann if (epctx->nr_pstreams) { 1808024426acSGerd Hoffmann sctx = xhci_find_stream(epctx, xfer->streamid, &err); 1809024426acSGerd Hoffmann if (sctx == NULL) { 1810024426acSGerd Hoffmann return; 1811024426acSGerd Hoffmann } 1812024426acSGerd Hoffmann sctx->ring.dequeue = xfer->trbs[0].addr; 1813024426acSGerd Hoffmann sctx->ring.ccs = xfer->trbs[0].ccs; 1814024426acSGerd Hoffmann xhci_set_ep_state(xhci, epctx, sctx, EP_HALTED); 1815024426acSGerd Hoffmann } else { 1816f1ae32a1SGerd Hoffmann epctx->ring.dequeue = xfer->trbs[0].addr; 1817f1ae32a1SGerd Hoffmann epctx->ring.ccs = xfer->trbs[0].ccs; 1818024426acSGerd Hoffmann xhci_set_ep_state(xhci, epctx, NULL, EP_HALTED); 1819024426acSGerd Hoffmann } 1820f1ae32a1SGerd Hoffmann } 1821f1ae32a1SGerd Hoffmann 1822f1ae32a1SGerd Hoffmann static int xhci_submit(XHCIState *xhci, XHCITransfer *xfer, 1823f1ae32a1SGerd Hoffmann XHCIEPContext *epctx); 1824f1ae32a1SGerd Hoffmann 18255c08106fSGerd Hoffmann static int xhci_setup_packet(XHCITransfer *xfer) 18265c08106fSGerd Hoffmann { 18275c08106fSGerd Hoffmann XHCIState *xhci = xfer->xhci; 1828f1ae32a1SGerd Hoffmann USBEndpoint *ep; 1829f1ae32a1SGerd Hoffmann int dir; 1830f1ae32a1SGerd Hoffmann 1831f1ae32a1SGerd Hoffmann dir = xfer->in_xfer ? USB_TOKEN_IN : USB_TOKEN_OUT; 18325c08106fSGerd Hoffmann 18335c08106fSGerd Hoffmann if (xfer->packet.ep) { 18345c08106fSGerd Hoffmann ep = xfer->packet.ep; 18355c08106fSGerd Hoffmann } else { 1836518ad5f2SHans de Goede ep = xhci_epid_to_usbep(xhci, xfer->slotid, xfer->epid); 1837518ad5f2SHans de Goede if (!ep) { 1838d6bb65fcSGerd Hoffmann DPRINTF("xhci: slot %d has no device\n", 1839ccaf87a0SGerd Hoffmann xfer->slotid); 18405c08106fSGerd Hoffmann return -1; 18415c08106fSGerd Hoffmann } 18425c08106fSGerd Hoffmann } 18435c08106fSGerd Hoffmann 1844a6fb2ddbSHans de Goede xhci_xfer_create_sgl(xfer, dir == USB_TOKEN_IN); /* Also sets int_req */ 1845024426acSGerd Hoffmann usb_packet_setup(&xfer->packet, dir, ep, xfer->streamid, 18468550a02dSGerd Hoffmann xfer->trbs[0].addr, false, xfer->int_req); 1847a6fb2ddbSHans de Goede usb_packet_map(&xfer->packet, &xfer->sgl); 1848f1ae32a1SGerd Hoffmann DPRINTF("xhci: setup packet pid 0x%x addr %d ep %d\n", 1849518ad5f2SHans de Goede xfer->packet.pid, ep->dev->addr, ep->nr); 1850f1ae32a1SGerd Hoffmann return 0; 1851f1ae32a1SGerd Hoffmann } 1852f1ae32a1SGerd Hoffmann 18539a77a0f5SHans de Goede static int xhci_complete_packet(XHCITransfer *xfer) 1854f1ae32a1SGerd Hoffmann { 18559a77a0f5SHans de Goede if (xfer->packet.status == USB_RET_ASYNC) { 185697df650bSGerd Hoffmann trace_usb_xhci_xfer_async(xfer); 1857f1ae32a1SGerd Hoffmann xfer->running_async = 1; 1858f1ae32a1SGerd Hoffmann xfer->running_retry = 0; 1859f1ae32a1SGerd Hoffmann xfer->complete = 0; 1860f1ae32a1SGerd Hoffmann return 0; 18619a77a0f5SHans de Goede } else if (xfer->packet.status == USB_RET_NAK) { 186297df650bSGerd Hoffmann trace_usb_xhci_xfer_nak(xfer); 1863f1ae32a1SGerd Hoffmann xfer->running_async = 0; 1864f1ae32a1SGerd Hoffmann xfer->running_retry = 1; 1865f1ae32a1SGerd Hoffmann xfer->complete = 0; 1866f1ae32a1SGerd Hoffmann return 0; 1867f1ae32a1SGerd Hoffmann } else { 1868f1ae32a1SGerd Hoffmann xfer->running_async = 0; 1869f1ae32a1SGerd Hoffmann xfer->running_retry = 0; 1870f1ae32a1SGerd Hoffmann xfer->complete = 1; 1871d5a15814SGerd Hoffmann xhci_xfer_unmap(xfer); 1872f1ae32a1SGerd Hoffmann } 1873f1ae32a1SGerd Hoffmann 18749a77a0f5SHans de Goede if (xfer->packet.status == USB_RET_SUCCESS) { 18759a77a0f5SHans de Goede trace_usb_xhci_xfer_success(xfer, xfer->packet.actual_length); 1876d5a15814SGerd Hoffmann xfer->status = CC_SUCCESS; 1877d5a15814SGerd Hoffmann xhci_xfer_report(xfer); 1878f1ae32a1SGerd Hoffmann return 0; 1879f1ae32a1SGerd Hoffmann } 1880f1ae32a1SGerd Hoffmann 1881f1ae32a1SGerd Hoffmann /* error */ 18829a77a0f5SHans de Goede trace_usb_xhci_xfer_error(xfer, xfer->packet.status); 18839a77a0f5SHans de Goede switch (xfer->packet.status) { 1884f1ae32a1SGerd Hoffmann case USB_RET_NODEV: 1885ed60ff02SGerd Hoffmann case USB_RET_IOERROR: 1886f1ae32a1SGerd Hoffmann xfer->status = CC_USB_TRANSACTION_ERROR; 1887d5a15814SGerd Hoffmann xhci_xfer_report(xfer); 1888f1ae32a1SGerd Hoffmann xhci_stall_ep(xfer); 1889f1ae32a1SGerd Hoffmann break; 1890f1ae32a1SGerd Hoffmann case USB_RET_STALL: 1891f1ae32a1SGerd Hoffmann xfer->status = CC_STALL_ERROR; 1892d5a15814SGerd Hoffmann xhci_xfer_report(xfer); 1893f1ae32a1SGerd Hoffmann xhci_stall_ep(xfer); 1894f1ae32a1SGerd Hoffmann break; 18954e906d56SGerd Hoffmann case USB_RET_BABBLE: 18964e906d56SGerd Hoffmann xfer->status = CC_BABBLE_DETECTED; 18974e906d56SGerd Hoffmann xhci_xfer_report(xfer); 18984e906d56SGerd Hoffmann xhci_stall_ep(xfer); 18994e906d56SGerd Hoffmann break; 1900f1ae32a1SGerd Hoffmann default: 1901d6bb65fcSGerd Hoffmann DPRINTF("%s: FIXME: status = %d\n", __func__, 19029a77a0f5SHans de Goede xfer->packet.status); 1903024426acSGerd Hoffmann FIXME("unhandled USB_RET_*"); 1904f1ae32a1SGerd Hoffmann } 1905f1ae32a1SGerd Hoffmann return 0; 1906f1ae32a1SGerd Hoffmann } 1907f1ae32a1SGerd Hoffmann 1908f1ae32a1SGerd Hoffmann static int xhci_fire_ctl_transfer(XHCIState *xhci, XHCITransfer *xfer) 1909f1ae32a1SGerd Hoffmann { 1910f1ae32a1SGerd Hoffmann XHCITRB *trb_setup, *trb_status; 1911f1ae32a1SGerd Hoffmann uint8_t bmRequestType; 1912f1ae32a1SGerd Hoffmann 1913f1ae32a1SGerd Hoffmann trb_setup = &xfer->trbs[0]; 1914f1ae32a1SGerd Hoffmann trb_status = &xfer->trbs[xfer->trb_count-1]; 1915f1ae32a1SGerd Hoffmann 1916024426acSGerd Hoffmann trace_usb_xhci_xfer_start(xfer, xfer->slotid, xfer->epid, xfer->streamid); 191797df650bSGerd Hoffmann 1918f1ae32a1SGerd Hoffmann /* at most one Event Data TRB allowed after STATUS */ 1919f1ae32a1SGerd Hoffmann if (TRB_TYPE(*trb_status) == TR_EVDATA && xfer->trb_count > 2) { 1920f1ae32a1SGerd Hoffmann trb_status--; 1921f1ae32a1SGerd Hoffmann } 1922f1ae32a1SGerd Hoffmann 1923f1ae32a1SGerd Hoffmann /* do some sanity checks */ 1924f1ae32a1SGerd Hoffmann if (TRB_TYPE(*trb_setup) != TR_SETUP) { 1925d6bb65fcSGerd Hoffmann DPRINTF("xhci: ep0 first TD not SETUP: %d\n", 1926f1ae32a1SGerd Hoffmann TRB_TYPE(*trb_setup)); 1927f1ae32a1SGerd Hoffmann return -1; 1928f1ae32a1SGerd Hoffmann } 1929f1ae32a1SGerd Hoffmann if (TRB_TYPE(*trb_status) != TR_STATUS) { 1930d6bb65fcSGerd Hoffmann DPRINTF("xhci: ep0 last TD not STATUS: %d\n", 1931f1ae32a1SGerd Hoffmann TRB_TYPE(*trb_status)); 1932f1ae32a1SGerd Hoffmann return -1; 1933f1ae32a1SGerd Hoffmann } 1934f1ae32a1SGerd Hoffmann if (!(trb_setup->control & TRB_TR_IDT)) { 1935d6bb65fcSGerd Hoffmann DPRINTF("xhci: Setup TRB doesn't have IDT set\n"); 1936f1ae32a1SGerd Hoffmann return -1; 1937f1ae32a1SGerd Hoffmann } 1938f1ae32a1SGerd Hoffmann if ((trb_setup->status & 0x1ffff) != 8) { 1939d6bb65fcSGerd Hoffmann DPRINTF("xhci: Setup TRB has bad length (%d)\n", 1940f1ae32a1SGerd Hoffmann (trb_setup->status & 0x1ffff)); 1941f1ae32a1SGerd Hoffmann return -1; 1942f1ae32a1SGerd Hoffmann } 1943f1ae32a1SGerd Hoffmann 1944f1ae32a1SGerd Hoffmann bmRequestType = trb_setup->parameter; 1945f1ae32a1SGerd Hoffmann 1946f1ae32a1SGerd Hoffmann xfer->in_xfer = bmRequestType & USB_DIR_IN; 1947f1ae32a1SGerd Hoffmann xfer->iso_xfer = false; 19484d7a81c0SGerd Hoffmann xfer->timed_xfer = false; 1949f1ae32a1SGerd Hoffmann 19505c08106fSGerd Hoffmann if (xhci_setup_packet(xfer) < 0) { 19515c08106fSGerd Hoffmann return -1; 19525c08106fSGerd Hoffmann } 1953f1ae32a1SGerd Hoffmann xfer->packet.parameter = trb_setup->parameter; 1954f1ae32a1SGerd Hoffmann 19559a77a0f5SHans de Goede usb_handle_packet(xfer->packet.ep->dev, &xfer->packet); 1956f1ae32a1SGerd Hoffmann 19579a77a0f5SHans de Goede xhci_complete_packet(xfer); 1958f1ae32a1SGerd Hoffmann if (!xfer->running_async && !xfer->running_retry) { 1959024426acSGerd Hoffmann xhci_kick_ep(xhci, xfer->slotid, xfer->epid, 0); 1960f1ae32a1SGerd Hoffmann } 1961f1ae32a1SGerd Hoffmann return 0; 1962f1ae32a1SGerd Hoffmann } 1963f1ae32a1SGerd Hoffmann 19644d7a81c0SGerd Hoffmann static void xhci_calc_intr_kick(XHCIState *xhci, XHCITransfer *xfer, 19654d7a81c0SGerd Hoffmann XHCIEPContext *epctx, uint64_t mfindex) 19664d7a81c0SGerd Hoffmann { 19674d7a81c0SGerd Hoffmann uint64_t asap = ((mfindex + epctx->interval - 1) & 19684d7a81c0SGerd Hoffmann ~(epctx->interval-1)); 19694d7a81c0SGerd Hoffmann uint64_t kick = epctx->mfindex_last + epctx->interval; 19704d7a81c0SGerd Hoffmann 19714d7a81c0SGerd Hoffmann assert(epctx->interval != 0); 19724d7a81c0SGerd Hoffmann xfer->mfindex_kick = MAX(asap, kick); 19734d7a81c0SGerd Hoffmann } 19744d7a81c0SGerd Hoffmann 19753d139684SGerd Hoffmann static void xhci_calc_iso_kick(XHCIState *xhci, XHCITransfer *xfer, 19763d139684SGerd Hoffmann XHCIEPContext *epctx, uint64_t mfindex) 19773d139684SGerd Hoffmann { 19783d139684SGerd Hoffmann if (xfer->trbs[0].control & TRB_TR_SIA) { 19793d139684SGerd Hoffmann uint64_t asap = ((mfindex + epctx->interval - 1) & 19803d139684SGerd Hoffmann ~(epctx->interval-1)); 19813d139684SGerd Hoffmann if (asap >= epctx->mfindex_last && 19823d139684SGerd Hoffmann asap <= epctx->mfindex_last + epctx->interval * 4) { 19833d139684SGerd Hoffmann xfer->mfindex_kick = epctx->mfindex_last + epctx->interval; 19843d139684SGerd Hoffmann } else { 19853d139684SGerd Hoffmann xfer->mfindex_kick = asap; 19863d139684SGerd Hoffmann } 19873d139684SGerd Hoffmann } else { 1988786ad214SGerd Hoffmann xfer->mfindex_kick = ((xfer->trbs[0].control >> TRB_TR_FRAMEID_SHIFT) 1989786ad214SGerd Hoffmann & TRB_TR_FRAMEID_MASK) << 3; 19903d139684SGerd Hoffmann xfer->mfindex_kick |= mfindex & ~0x3fff; 1991cc03ff9dSGerd Hoffmann if (xfer->mfindex_kick + 0x100 < mfindex) { 19923d139684SGerd Hoffmann xfer->mfindex_kick += 0x4000; 19933d139684SGerd Hoffmann } 19943d139684SGerd Hoffmann } 19953d139684SGerd Hoffmann } 19963d139684SGerd Hoffmann 19974d7a81c0SGerd Hoffmann static void xhci_check_intr_iso_kick(XHCIState *xhci, XHCITransfer *xfer, 19983d139684SGerd Hoffmann XHCIEPContext *epctx, uint64_t mfindex) 19993d139684SGerd Hoffmann { 20003d139684SGerd Hoffmann if (xfer->mfindex_kick > mfindex) { 2001bc72ad67SAlex Bligh timer_mod(epctx->kick_timer, qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) + 20023d139684SGerd Hoffmann (xfer->mfindex_kick - mfindex) * 125000); 20033d139684SGerd Hoffmann xfer->running_retry = 1; 20043d139684SGerd Hoffmann } else { 20053d139684SGerd Hoffmann epctx->mfindex_last = xfer->mfindex_kick; 2006bc72ad67SAlex Bligh timer_del(epctx->kick_timer); 20073d139684SGerd Hoffmann xfer->running_retry = 0; 20083d139684SGerd Hoffmann } 20093d139684SGerd Hoffmann } 20103d139684SGerd Hoffmann 20113d139684SGerd Hoffmann 2012f1ae32a1SGerd Hoffmann static int xhci_submit(XHCIState *xhci, XHCITransfer *xfer, XHCIEPContext *epctx) 2013f1ae32a1SGerd Hoffmann { 20143d139684SGerd Hoffmann uint64_t mfindex; 2015f1ae32a1SGerd Hoffmann 2016f1ae32a1SGerd Hoffmann DPRINTF("xhci_submit(slotid=%d,epid=%d)\n", xfer->slotid, xfer->epid); 2017f1ae32a1SGerd Hoffmann 2018f1ae32a1SGerd Hoffmann xfer->in_xfer = epctx->type>>2; 2019f1ae32a1SGerd Hoffmann 2020f1ae32a1SGerd Hoffmann switch(epctx->type) { 2021f1ae32a1SGerd Hoffmann case ET_INTR_OUT: 2022f1ae32a1SGerd Hoffmann case ET_INTR_IN: 20234d7a81c0SGerd Hoffmann xfer->pkts = 0; 20244d7a81c0SGerd Hoffmann xfer->iso_xfer = false; 20254d7a81c0SGerd Hoffmann xfer->timed_xfer = true; 20264d7a81c0SGerd Hoffmann mfindex = xhci_mfindex_get(xhci); 20274d7a81c0SGerd Hoffmann xhci_calc_intr_kick(xhci, xfer, epctx, mfindex); 20284d7a81c0SGerd Hoffmann xhci_check_intr_iso_kick(xhci, xfer, epctx, mfindex); 20294d7a81c0SGerd Hoffmann if (xfer->running_retry) { 20304d7a81c0SGerd Hoffmann return -1; 20314d7a81c0SGerd Hoffmann } 20324d7a81c0SGerd Hoffmann break; 2033f1ae32a1SGerd Hoffmann case ET_BULK_OUT: 2034f1ae32a1SGerd Hoffmann case ET_BULK_IN: 20353d139684SGerd Hoffmann xfer->pkts = 0; 20363d139684SGerd Hoffmann xfer->iso_xfer = false; 20374d7a81c0SGerd Hoffmann xfer->timed_xfer = false; 2038f1ae32a1SGerd Hoffmann break; 2039f1ae32a1SGerd Hoffmann case ET_ISO_OUT: 2040f1ae32a1SGerd Hoffmann case ET_ISO_IN: 20413d139684SGerd Hoffmann xfer->pkts = 1; 20423d139684SGerd Hoffmann xfer->iso_xfer = true; 20434d7a81c0SGerd Hoffmann xfer->timed_xfer = true; 20443d139684SGerd Hoffmann mfindex = xhci_mfindex_get(xhci); 20453d139684SGerd Hoffmann xhci_calc_iso_kick(xhci, xfer, epctx, mfindex); 20464d7a81c0SGerd Hoffmann xhci_check_intr_iso_kick(xhci, xfer, epctx, mfindex); 20473d139684SGerd Hoffmann if (xfer->running_retry) { 20483d139684SGerd Hoffmann return -1; 20493d139684SGerd Hoffmann } 2050f1ae32a1SGerd Hoffmann break; 2051f1ae32a1SGerd Hoffmann default: 20524f9cc734SGerd Hoffmann trace_usb_xhci_unimplemented("endpoint type", epctx->type); 2053f1ae32a1SGerd Hoffmann return -1; 2054f1ae32a1SGerd Hoffmann } 2055f1ae32a1SGerd Hoffmann 20565c08106fSGerd Hoffmann if (xhci_setup_packet(xfer) < 0) { 20575c08106fSGerd Hoffmann return -1; 20585c08106fSGerd Hoffmann } 20599a77a0f5SHans de Goede usb_handle_packet(xfer->packet.ep->dev, &xfer->packet); 2060f1ae32a1SGerd Hoffmann 20619a77a0f5SHans de Goede xhci_complete_packet(xfer); 2062f1ae32a1SGerd Hoffmann if (!xfer->running_async && !xfer->running_retry) { 2063024426acSGerd Hoffmann xhci_kick_ep(xhci, xfer->slotid, xfer->epid, xfer->streamid); 2064f1ae32a1SGerd Hoffmann } 2065f1ae32a1SGerd Hoffmann return 0; 2066f1ae32a1SGerd Hoffmann } 2067f1ae32a1SGerd Hoffmann 2068f1ae32a1SGerd Hoffmann static int xhci_fire_transfer(XHCIState *xhci, XHCITransfer *xfer, XHCIEPContext *epctx) 2069f1ae32a1SGerd Hoffmann { 2070024426acSGerd Hoffmann trace_usb_xhci_xfer_start(xfer, xfer->slotid, xfer->epid, xfer->streamid); 2071f1ae32a1SGerd Hoffmann return xhci_submit(xhci, xfer, epctx); 2072f1ae32a1SGerd Hoffmann } 2073f1ae32a1SGerd Hoffmann 2074024426acSGerd Hoffmann static void xhci_kick_ep(XHCIState *xhci, unsigned int slotid, 2075024426acSGerd Hoffmann unsigned int epid, unsigned int streamid) 2076f1ae32a1SGerd Hoffmann { 2077024426acSGerd Hoffmann XHCIStreamContext *stctx; 2078f1ae32a1SGerd Hoffmann XHCIEPContext *epctx; 2079024426acSGerd Hoffmann XHCIRing *ring; 208036dfe324SHans de Goede USBEndpoint *ep = NULL; 20813d139684SGerd Hoffmann uint64_t mfindex; 2082f1ae32a1SGerd Hoffmann int length; 2083f1ae32a1SGerd Hoffmann int i; 2084f1ae32a1SGerd Hoffmann 2085024426acSGerd Hoffmann trace_usb_xhci_ep_kick(slotid, epid, streamid); 208691062ae0SGerd Hoffmann assert(slotid >= 1 && slotid <= xhci->numslots); 2087f1ae32a1SGerd Hoffmann assert(epid >= 1 && epid <= 31); 2088f1ae32a1SGerd Hoffmann 2089f1ae32a1SGerd Hoffmann if (!xhci->slots[slotid-1].enabled) { 2090d6bb65fcSGerd Hoffmann DPRINTF("xhci: xhci_kick_ep for disabled slot %d\n", slotid); 2091f1ae32a1SGerd Hoffmann return; 2092f1ae32a1SGerd Hoffmann } 2093f1ae32a1SGerd Hoffmann epctx = xhci->slots[slotid-1].eps[epid-1]; 2094f1ae32a1SGerd Hoffmann if (!epctx) { 2095d6bb65fcSGerd Hoffmann DPRINTF("xhci: xhci_kick_ep for disabled endpoint %d,%d\n", 2096f1ae32a1SGerd Hoffmann epid, slotid); 2097f1ae32a1SGerd Hoffmann return; 2098f1ae32a1SGerd Hoffmann } 2099f1ae32a1SGerd Hoffmann 2100de9de157SHans de Goede /* If the device has been detached, but the guest has not noticed this 2101de9de157SHans de Goede yet the 2 above checks will succeed, but we must NOT continue */ 2102de9de157SHans de Goede if (!xhci->slots[slotid - 1].uport || 2103de9de157SHans de Goede !xhci->slots[slotid - 1].uport->dev || 2104de9de157SHans de Goede !xhci->slots[slotid - 1].uport->dev->attached) { 2105de9de157SHans de Goede return; 2106de9de157SHans de Goede } 2107de9de157SHans de Goede 2108f1ae32a1SGerd Hoffmann if (epctx->retry) { 2109f1ae32a1SGerd Hoffmann XHCITransfer *xfer = epctx->retry; 2110f1ae32a1SGerd Hoffmann 211197df650bSGerd Hoffmann trace_usb_xhci_xfer_retry(xfer); 2112f1ae32a1SGerd Hoffmann assert(xfer->running_retry); 21134d7a81c0SGerd Hoffmann if (xfer->timed_xfer) { 21144d7a81c0SGerd Hoffmann /* time to kick the transfer? */ 21153d139684SGerd Hoffmann mfindex = xhci_mfindex_get(xhci); 21164d7a81c0SGerd Hoffmann xhci_check_intr_iso_kick(xhci, xfer, epctx, mfindex); 21173d139684SGerd Hoffmann if (xfer->running_retry) { 21183d139684SGerd Hoffmann return; 21193d139684SGerd Hoffmann } 21204d7a81c0SGerd Hoffmann xfer->timed_xfer = 0; 21214d7a81c0SGerd Hoffmann xfer->running_retry = 1; 21224d7a81c0SGerd Hoffmann } 21234d7a81c0SGerd Hoffmann if (xfer->iso_xfer) { 21244d7a81c0SGerd Hoffmann /* retry iso transfer */ 21253d139684SGerd Hoffmann if (xhci_setup_packet(xfer) < 0) { 21263d139684SGerd Hoffmann return; 21273d139684SGerd Hoffmann } 21289a77a0f5SHans de Goede usb_handle_packet(xfer->packet.ep->dev, &xfer->packet); 21299a77a0f5SHans de Goede assert(xfer->packet.status != USB_RET_NAK); 21309a77a0f5SHans de Goede xhci_complete_packet(xfer); 21313d139684SGerd Hoffmann } else { 21323d139684SGerd Hoffmann /* retry nak'ed transfer */ 21335c08106fSGerd Hoffmann if (xhci_setup_packet(xfer) < 0) { 21345c08106fSGerd Hoffmann return; 21355c08106fSGerd Hoffmann } 21369a77a0f5SHans de Goede usb_handle_packet(xfer->packet.ep->dev, &xfer->packet); 21379a77a0f5SHans de Goede if (xfer->packet.status == USB_RET_NAK) { 2138f1ae32a1SGerd Hoffmann return; 2139f1ae32a1SGerd Hoffmann } 21409a77a0f5SHans de Goede xhci_complete_packet(xfer); 21413d139684SGerd Hoffmann } 2142f1ae32a1SGerd Hoffmann assert(!xfer->running_retry); 2143f1ae32a1SGerd Hoffmann epctx->retry = NULL; 2144f1ae32a1SGerd Hoffmann } 2145f1ae32a1SGerd Hoffmann 2146f1ae32a1SGerd Hoffmann if (epctx->state == EP_HALTED) { 2147f1ae32a1SGerd Hoffmann DPRINTF("xhci: ep halted, not running schedule\n"); 2148f1ae32a1SGerd Hoffmann return; 2149f1ae32a1SGerd Hoffmann } 2150f1ae32a1SGerd Hoffmann 2151024426acSGerd Hoffmann 2152024426acSGerd Hoffmann if (epctx->nr_pstreams) { 2153024426acSGerd Hoffmann uint32_t err; 2154024426acSGerd Hoffmann stctx = xhci_find_stream(epctx, streamid, &err); 2155024426acSGerd Hoffmann if (stctx == NULL) { 2156024426acSGerd Hoffmann return; 2157024426acSGerd Hoffmann } 2158024426acSGerd Hoffmann ring = &stctx->ring; 2159024426acSGerd Hoffmann xhci_set_ep_state(xhci, epctx, stctx, EP_RUNNING); 2160024426acSGerd Hoffmann } else { 2161024426acSGerd Hoffmann ring = &epctx->ring; 2162024426acSGerd Hoffmann streamid = 0; 2163024426acSGerd Hoffmann xhci_set_ep_state(xhci, epctx, NULL, EP_RUNNING); 2164024426acSGerd Hoffmann } 21657d04c2b7SGerd Hoffmann assert(ring->dequeue != 0); 2166f1ae32a1SGerd Hoffmann 2167f1ae32a1SGerd Hoffmann while (1) { 2168f1ae32a1SGerd Hoffmann XHCITransfer *xfer = &epctx->transfers[epctx->next_xfer]; 2169331e9406SGerd Hoffmann if (xfer->running_async || xfer->running_retry) { 2170f1ae32a1SGerd Hoffmann break; 2171f1ae32a1SGerd Hoffmann } 2172024426acSGerd Hoffmann length = xhci_ring_chain_length(xhci, ring); 2173f1ae32a1SGerd Hoffmann if (length < 0) { 2174f1ae32a1SGerd Hoffmann break; 2175f1ae32a1SGerd Hoffmann } else if (length == 0) { 2176f1ae32a1SGerd Hoffmann break; 2177f1ae32a1SGerd Hoffmann } 2178f1ae32a1SGerd Hoffmann if (xfer->trbs && xfer->trb_alloced < length) { 2179f1ae32a1SGerd Hoffmann xfer->trb_count = 0; 2180f1ae32a1SGerd Hoffmann xfer->trb_alloced = 0; 2181f1ae32a1SGerd Hoffmann g_free(xfer->trbs); 2182f1ae32a1SGerd Hoffmann xfer->trbs = NULL; 2183f1ae32a1SGerd Hoffmann } 2184f1ae32a1SGerd Hoffmann if (!xfer->trbs) { 2185f1ae32a1SGerd Hoffmann xfer->trbs = g_malloc(sizeof(XHCITRB) * length); 2186f1ae32a1SGerd Hoffmann xfer->trb_alloced = length; 2187f1ae32a1SGerd Hoffmann } 2188f1ae32a1SGerd Hoffmann xfer->trb_count = length; 2189f1ae32a1SGerd Hoffmann 2190f1ae32a1SGerd Hoffmann for (i = 0; i < length; i++) { 2191024426acSGerd Hoffmann assert(xhci_ring_fetch(xhci, ring, &xfer->trbs[i], NULL)); 2192f1ae32a1SGerd Hoffmann } 2193024426acSGerd Hoffmann xfer->streamid = streamid; 2194f1ae32a1SGerd Hoffmann 2195f1ae32a1SGerd Hoffmann if (epid == 1) { 2196f1ae32a1SGerd Hoffmann if (xhci_fire_ctl_transfer(xhci, xfer) >= 0) { 2197f1ae32a1SGerd Hoffmann epctx->next_xfer = (epctx->next_xfer + 1) % TD_QUEUE; 219836dfe324SHans de Goede ep = xfer->packet.ep; 2199f1ae32a1SGerd Hoffmann } else { 2200d6bb65fcSGerd Hoffmann DPRINTF("xhci: error firing CTL transfer\n"); 2201f1ae32a1SGerd Hoffmann } 2202f1ae32a1SGerd Hoffmann } else { 2203f1ae32a1SGerd Hoffmann if (xhci_fire_transfer(xhci, xfer, epctx) >= 0) { 2204f1ae32a1SGerd Hoffmann epctx->next_xfer = (epctx->next_xfer + 1) % TD_QUEUE; 2205f1ae32a1SGerd Hoffmann } else { 22064d7a81c0SGerd Hoffmann if (!xfer->timed_xfer) { 2207d6bb65fcSGerd Hoffmann DPRINTF("xhci: error firing data transfer\n"); 2208f1ae32a1SGerd Hoffmann } 2209f1ae32a1SGerd Hoffmann } 22103d139684SGerd Hoffmann } 2211f1ae32a1SGerd Hoffmann 2212f1ae32a1SGerd Hoffmann if (epctx->state == EP_HALTED) { 2213f1ae32a1SGerd Hoffmann break; 2214f1ae32a1SGerd Hoffmann } 2215f1ae32a1SGerd Hoffmann if (xfer->running_retry) { 2216f1ae32a1SGerd Hoffmann DPRINTF("xhci: xfer nacked, stopping schedule\n"); 2217f1ae32a1SGerd Hoffmann epctx->retry = xfer; 2218f1ae32a1SGerd Hoffmann break; 2219f1ae32a1SGerd Hoffmann } 2220f1ae32a1SGerd Hoffmann } 2221518ad5f2SHans de Goede 2222518ad5f2SHans de Goede ep = xhci_epid_to_usbep(xhci, slotid, epid); 222336dfe324SHans de Goede if (ep) { 222436dfe324SHans de Goede usb_device_flush_ep_queue(ep->dev, ep); 222536dfe324SHans de Goede } 2226f1ae32a1SGerd Hoffmann } 2227f1ae32a1SGerd Hoffmann 2228f1ae32a1SGerd Hoffmann static TRBCCode xhci_enable_slot(XHCIState *xhci, unsigned int slotid) 2229f1ae32a1SGerd Hoffmann { 2230348f1037SGerd Hoffmann trace_usb_xhci_slot_enable(slotid); 223191062ae0SGerd Hoffmann assert(slotid >= 1 && slotid <= xhci->numslots); 2232f1ae32a1SGerd Hoffmann xhci->slots[slotid-1].enabled = 1; 2233ccaf87a0SGerd Hoffmann xhci->slots[slotid-1].uport = NULL; 2234f1ae32a1SGerd Hoffmann memset(xhci->slots[slotid-1].eps, 0, sizeof(XHCIEPContext*)*31); 2235f1ae32a1SGerd Hoffmann 2236f1ae32a1SGerd Hoffmann return CC_SUCCESS; 2237f1ae32a1SGerd Hoffmann } 2238f1ae32a1SGerd Hoffmann 2239f1ae32a1SGerd Hoffmann static TRBCCode xhci_disable_slot(XHCIState *xhci, unsigned int slotid) 2240f1ae32a1SGerd Hoffmann { 2241f1ae32a1SGerd Hoffmann int i; 2242f1ae32a1SGerd Hoffmann 2243348f1037SGerd Hoffmann trace_usb_xhci_slot_disable(slotid); 224491062ae0SGerd Hoffmann assert(slotid >= 1 && slotid <= xhci->numslots); 2245f1ae32a1SGerd Hoffmann 2246f1ae32a1SGerd Hoffmann for (i = 1; i <= 31; i++) { 2247f1ae32a1SGerd Hoffmann if (xhci->slots[slotid-1].eps[i-1]) { 2248f1ae32a1SGerd Hoffmann xhci_disable_ep(xhci, slotid, i); 2249f1ae32a1SGerd Hoffmann } 2250f1ae32a1SGerd Hoffmann } 2251f1ae32a1SGerd Hoffmann 2252f1ae32a1SGerd Hoffmann xhci->slots[slotid-1].enabled = 0; 22534034e693SGerd Hoffmann xhci->slots[slotid-1].addressed = 0; 22545c67dd7bSGerd Hoffmann xhci->slots[slotid-1].uport = NULL; 2255f1ae32a1SGerd Hoffmann return CC_SUCCESS; 2256f1ae32a1SGerd Hoffmann } 2257f1ae32a1SGerd Hoffmann 2258ccaf87a0SGerd Hoffmann static USBPort *xhci_lookup_uport(XHCIState *xhci, uint32_t *slot_ctx) 2259ccaf87a0SGerd Hoffmann { 2260ccaf87a0SGerd Hoffmann USBPort *uport; 2261ccaf87a0SGerd Hoffmann char path[32]; 2262ccaf87a0SGerd Hoffmann int i, pos, port; 2263ccaf87a0SGerd Hoffmann 2264ccaf87a0SGerd Hoffmann port = (slot_ctx[1]>>16) & 0xFF; 2265ccaf87a0SGerd Hoffmann port = xhci->ports[port-1].uport->index+1; 2266ccaf87a0SGerd Hoffmann pos = snprintf(path, sizeof(path), "%d", port); 2267ccaf87a0SGerd Hoffmann for (i = 0; i < 5; i++) { 2268ccaf87a0SGerd Hoffmann port = (slot_ctx[0] >> 4*i) & 0x0f; 2269ccaf87a0SGerd Hoffmann if (!port) { 2270ccaf87a0SGerd Hoffmann break; 2271ccaf87a0SGerd Hoffmann } 2272ccaf87a0SGerd Hoffmann pos += snprintf(path + pos, sizeof(path) - pos, ".%d", port); 2273ccaf87a0SGerd Hoffmann } 2274ccaf87a0SGerd Hoffmann 2275ccaf87a0SGerd Hoffmann QTAILQ_FOREACH(uport, &xhci->bus.used, next) { 2276ccaf87a0SGerd Hoffmann if (strcmp(uport->path, path) == 0) { 2277ccaf87a0SGerd Hoffmann return uport; 2278ccaf87a0SGerd Hoffmann } 2279ccaf87a0SGerd Hoffmann } 2280ccaf87a0SGerd Hoffmann return NULL; 2281ccaf87a0SGerd Hoffmann } 2282ccaf87a0SGerd Hoffmann 2283f1ae32a1SGerd Hoffmann static TRBCCode xhci_address_slot(XHCIState *xhci, unsigned int slotid, 2284f1ae32a1SGerd Hoffmann uint64_t pictx, bool bsr) 2285f1ae32a1SGerd Hoffmann { 2286f1ae32a1SGerd Hoffmann XHCISlot *slot; 2287ccaf87a0SGerd Hoffmann USBPort *uport; 2288f1ae32a1SGerd Hoffmann USBDevice *dev; 228959a70ccdSDavid Gibson dma_addr_t ictx, octx, dcbaap; 2290f1ae32a1SGerd Hoffmann uint64_t poctx; 2291f1ae32a1SGerd Hoffmann uint32_t ictl_ctx[2]; 2292f1ae32a1SGerd Hoffmann uint32_t slot_ctx[4]; 2293f1ae32a1SGerd Hoffmann uint32_t ep0_ctx[5]; 2294f1ae32a1SGerd Hoffmann int i; 2295f1ae32a1SGerd Hoffmann TRBCCode res; 2296f1ae32a1SGerd Hoffmann 229791062ae0SGerd Hoffmann assert(slotid >= 1 && slotid <= xhci->numslots); 2298f1ae32a1SGerd Hoffmann 2299f1ae32a1SGerd Hoffmann dcbaap = xhci_addr64(xhci->dcbaap_low, xhci->dcbaap_high); 23009b7d3334SAndreas Färber poctx = ldq_le_pci_dma(PCI_DEVICE(xhci), dcbaap + 8 * slotid); 2301f1ae32a1SGerd Hoffmann ictx = xhci_mask64(pictx); 2302616b5d53SDavid Gibson octx = xhci_mask64(poctx); 2303f1ae32a1SGerd Hoffmann 230459a70ccdSDavid Gibson DPRINTF("xhci: input context at "DMA_ADDR_FMT"\n", ictx); 230559a70ccdSDavid Gibson DPRINTF("xhci: output context at "DMA_ADDR_FMT"\n", octx); 2306f1ae32a1SGerd Hoffmann 2307616b5d53SDavid Gibson xhci_dma_read_u32s(xhci, ictx, ictl_ctx, sizeof(ictl_ctx)); 2308f1ae32a1SGerd Hoffmann 2309f1ae32a1SGerd Hoffmann if (ictl_ctx[0] != 0x0 || ictl_ctx[1] != 0x3) { 2310d6bb65fcSGerd Hoffmann DPRINTF("xhci: invalid input context control %08x %08x\n", 2311f1ae32a1SGerd Hoffmann ictl_ctx[0], ictl_ctx[1]); 2312f1ae32a1SGerd Hoffmann return CC_TRB_ERROR; 2313f1ae32a1SGerd Hoffmann } 2314f1ae32a1SGerd Hoffmann 2315616b5d53SDavid Gibson xhci_dma_read_u32s(xhci, ictx+32, slot_ctx, sizeof(slot_ctx)); 2316616b5d53SDavid Gibson xhci_dma_read_u32s(xhci, ictx+64, ep0_ctx, sizeof(ep0_ctx)); 2317f1ae32a1SGerd Hoffmann 2318f1ae32a1SGerd Hoffmann DPRINTF("xhci: input slot context: %08x %08x %08x %08x\n", 2319f1ae32a1SGerd Hoffmann slot_ctx[0], slot_ctx[1], slot_ctx[2], slot_ctx[3]); 2320f1ae32a1SGerd Hoffmann 2321f1ae32a1SGerd Hoffmann DPRINTF("xhci: input ep0 context: %08x %08x %08x %08x %08x\n", 2322f1ae32a1SGerd Hoffmann ep0_ctx[0], ep0_ctx[1], ep0_ctx[2], ep0_ctx[3], ep0_ctx[4]); 2323f1ae32a1SGerd Hoffmann 2324ccaf87a0SGerd Hoffmann uport = xhci_lookup_uport(xhci, slot_ctx); 2325ccaf87a0SGerd Hoffmann if (uport == NULL) { 2326d6bb65fcSGerd Hoffmann DPRINTF("xhci: port not found\n"); 2327f1ae32a1SGerd Hoffmann return CC_TRB_ERROR; 2328ccaf87a0SGerd Hoffmann } 232965d81ed4SGerd Hoffmann trace_usb_xhci_slot_address(slotid, uport->path); 2330ccaf87a0SGerd Hoffmann 2331ccaf87a0SGerd Hoffmann dev = uport->dev; 2332de9de157SHans de Goede if (!dev || !dev->attached) { 2333d6bb65fcSGerd Hoffmann DPRINTF("xhci: port %s not connected\n", uport->path); 2334f1ae32a1SGerd Hoffmann return CC_USB_TRANSACTION_ERROR; 2335f1ae32a1SGerd Hoffmann } 2336f1ae32a1SGerd Hoffmann 233791062ae0SGerd Hoffmann for (i = 0; i < xhci->numslots; i++) { 23380bc85da6SGerd Hoffmann if (i == slotid-1) { 23390bc85da6SGerd Hoffmann continue; 23400bc85da6SGerd Hoffmann } 2341ccaf87a0SGerd Hoffmann if (xhci->slots[i].uport == uport) { 2342d6bb65fcSGerd Hoffmann DPRINTF("xhci: port %s already assigned to slot %d\n", 2343ccaf87a0SGerd Hoffmann uport->path, i+1); 2344f1ae32a1SGerd Hoffmann return CC_TRB_ERROR; 2345f1ae32a1SGerd Hoffmann } 2346f1ae32a1SGerd Hoffmann } 2347f1ae32a1SGerd Hoffmann 2348f1ae32a1SGerd Hoffmann slot = &xhci->slots[slotid-1]; 2349ccaf87a0SGerd Hoffmann slot->uport = uport; 2350f1ae32a1SGerd Hoffmann slot->ctx = octx; 2351f1ae32a1SGerd Hoffmann 2352f1ae32a1SGerd Hoffmann if (bsr) { 2353f1ae32a1SGerd Hoffmann slot_ctx[3] = SLOT_DEFAULT << SLOT_STATE_SHIFT; 2354f1ae32a1SGerd Hoffmann } else { 2355a820b575SGerd Hoffmann USBPacket p; 2356a6718874SGerd Hoffmann uint8_t buf[1]; 2357a6718874SGerd Hoffmann 2358af203be3SGerd Hoffmann slot_ctx[3] = (SLOT_ADDRESSED << SLOT_STATE_SHIFT) | slotid; 23590bc85da6SGerd Hoffmann usb_device_reset(dev); 2360a6718874SGerd Hoffmann memset(&p, 0, sizeof(p)); 2361a6718874SGerd Hoffmann usb_packet_addbuf(&p, buf, sizeof(buf)); 2362a820b575SGerd Hoffmann usb_packet_setup(&p, USB_TOKEN_OUT, 23638550a02dSGerd Hoffmann usb_ep_get(dev, USB_TOKEN_OUT, 0), 0, 2364a820b575SGerd Hoffmann 0, false, false); 2365a820b575SGerd Hoffmann usb_device_handle_control(dev, &p, 2366f1ae32a1SGerd Hoffmann DeviceOutRequest | USB_REQ_SET_ADDRESS, 2367af203be3SGerd Hoffmann slotid, 0, 0, NULL); 2368a820b575SGerd Hoffmann assert(p.status != USB_RET_ASYNC); 2369f1ae32a1SGerd Hoffmann } 2370f1ae32a1SGerd Hoffmann 2371f1ae32a1SGerd Hoffmann res = xhci_enable_ep(xhci, slotid, 1, octx+32, ep0_ctx); 2372f1ae32a1SGerd Hoffmann 2373f1ae32a1SGerd Hoffmann DPRINTF("xhci: output slot context: %08x %08x %08x %08x\n", 2374f1ae32a1SGerd Hoffmann slot_ctx[0], slot_ctx[1], slot_ctx[2], slot_ctx[3]); 2375f1ae32a1SGerd Hoffmann DPRINTF("xhci: output ep0 context: %08x %08x %08x %08x %08x\n", 2376f1ae32a1SGerd Hoffmann ep0_ctx[0], ep0_ctx[1], ep0_ctx[2], ep0_ctx[3], ep0_ctx[4]); 2377f1ae32a1SGerd Hoffmann 2378616b5d53SDavid Gibson xhci_dma_write_u32s(xhci, octx, slot_ctx, sizeof(slot_ctx)); 2379616b5d53SDavid Gibson xhci_dma_write_u32s(xhci, octx+32, ep0_ctx, sizeof(ep0_ctx)); 2380f1ae32a1SGerd Hoffmann 23814034e693SGerd Hoffmann xhci->slots[slotid-1].addressed = 1; 2382f1ae32a1SGerd Hoffmann return res; 2383f1ae32a1SGerd Hoffmann } 2384f1ae32a1SGerd Hoffmann 2385f1ae32a1SGerd Hoffmann 2386f1ae32a1SGerd Hoffmann static TRBCCode xhci_configure_slot(XHCIState *xhci, unsigned int slotid, 2387f1ae32a1SGerd Hoffmann uint64_t pictx, bool dc) 2388f1ae32a1SGerd Hoffmann { 238959a70ccdSDavid Gibson dma_addr_t ictx, octx; 2390f1ae32a1SGerd Hoffmann uint32_t ictl_ctx[2]; 2391f1ae32a1SGerd Hoffmann uint32_t slot_ctx[4]; 2392f1ae32a1SGerd Hoffmann uint32_t islot_ctx[4]; 2393f1ae32a1SGerd Hoffmann uint32_t ep_ctx[5]; 2394f1ae32a1SGerd Hoffmann int i; 2395f1ae32a1SGerd Hoffmann TRBCCode res; 2396f1ae32a1SGerd Hoffmann 2397348f1037SGerd Hoffmann trace_usb_xhci_slot_configure(slotid); 239891062ae0SGerd Hoffmann assert(slotid >= 1 && slotid <= xhci->numslots); 2399f1ae32a1SGerd Hoffmann 2400f1ae32a1SGerd Hoffmann ictx = xhci_mask64(pictx); 2401f1ae32a1SGerd Hoffmann octx = xhci->slots[slotid-1].ctx; 2402f1ae32a1SGerd Hoffmann 240359a70ccdSDavid Gibson DPRINTF("xhci: input context at "DMA_ADDR_FMT"\n", ictx); 240459a70ccdSDavid Gibson DPRINTF("xhci: output context at "DMA_ADDR_FMT"\n", octx); 2405f1ae32a1SGerd Hoffmann 2406f1ae32a1SGerd Hoffmann if (dc) { 2407f1ae32a1SGerd Hoffmann for (i = 2; i <= 31; i++) { 2408f1ae32a1SGerd Hoffmann if (xhci->slots[slotid-1].eps[i-1]) { 2409f1ae32a1SGerd Hoffmann xhci_disable_ep(xhci, slotid, i); 2410f1ae32a1SGerd Hoffmann } 2411f1ae32a1SGerd Hoffmann } 2412f1ae32a1SGerd Hoffmann 2413616b5d53SDavid Gibson xhci_dma_read_u32s(xhci, octx, slot_ctx, sizeof(slot_ctx)); 2414f1ae32a1SGerd Hoffmann slot_ctx[3] &= ~(SLOT_STATE_MASK << SLOT_STATE_SHIFT); 2415f1ae32a1SGerd Hoffmann slot_ctx[3] |= SLOT_ADDRESSED << SLOT_STATE_SHIFT; 2416f1ae32a1SGerd Hoffmann DPRINTF("xhci: output slot context: %08x %08x %08x %08x\n", 2417f1ae32a1SGerd Hoffmann slot_ctx[0], slot_ctx[1], slot_ctx[2], slot_ctx[3]); 2418616b5d53SDavid Gibson xhci_dma_write_u32s(xhci, octx, slot_ctx, sizeof(slot_ctx)); 2419f1ae32a1SGerd Hoffmann 2420f1ae32a1SGerd Hoffmann return CC_SUCCESS; 2421f1ae32a1SGerd Hoffmann } 2422f1ae32a1SGerd Hoffmann 2423616b5d53SDavid Gibson xhci_dma_read_u32s(xhci, ictx, ictl_ctx, sizeof(ictl_ctx)); 2424f1ae32a1SGerd Hoffmann 2425f1ae32a1SGerd Hoffmann if ((ictl_ctx[0] & 0x3) != 0x0 || (ictl_ctx[1] & 0x3) != 0x1) { 2426d6bb65fcSGerd Hoffmann DPRINTF("xhci: invalid input context control %08x %08x\n", 2427f1ae32a1SGerd Hoffmann ictl_ctx[0], ictl_ctx[1]); 2428f1ae32a1SGerd Hoffmann return CC_TRB_ERROR; 2429f1ae32a1SGerd Hoffmann } 2430f1ae32a1SGerd Hoffmann 2431616b5d53SDavid Gibson xhci_dma_read_u32s(xhci, ictx+32, islot_ctx, sizeof(islot_ctx)); 2432616b5d53SDavid Gibson xhci_dma_read_u32s(xhci, octx, slot_ctx, sizeof(slot_ctx)); 2433f1ae32a1SGerd Hoffmann 2434f1ae32a1SGerd Hoffmann if (SLOT_STATE(slot_ctx[3]) < SLOT_ADDRESSED) { 2435d6bb65fcSGerd Hoffmann DPRINTF("xhci: invalid slot state %08x\n", slot_ctx[3]); 2436f1ae32a1SGerd Hoffmann return CC_CONTEXT_STATE_ERROR; 2437f1ae32a1SGerd Hoffmann } 2438f1ae32a1SGerd Hoffmann 243972391da5SHans de Goede xhci_free_device_streams(xhci, slotid, ictl_ctx[0] | ictl_ctx[1]); 244072391da5SHans de Goede 2441f1ae32a1SGerd Hoffmann for (i = 2; i <= 31; i++) { 2442f1ae32a1SGerd Hoffmann if (ictl_ctx[0] & (1<<i)) { 2443f1ae32a1SGerd Hoffmann xhci_disable_ep(xhci, slotid, i); 2444f1ae32a1SGerd Hoffmann } 2445f1ae32a1SGerd Hoffmann if (ictl_ctx[1] & (1<<i)) { 2446616b5d53SDavid Gibson xhci_dma_read_u32s(xhci, ictx+32+(32*i), ep_ctx, sizeof(ep_ctx)); 2447f1ae32a1SGerd Hoffmann DPRINTF("xhci: input ep%d.%d context: %08x %08x %08x %08x %08x\n", 2448f1ae32a1SGerd Hoffmann i/2, i%2, ep_ctx[0], ep_ctx[1], ep_ctx[2], 2449f1ae32a1SGerd Hoffmann ep_ctx[3], ep_ctx[4]); 2450f1ae32a1SGerd Hoffmann xhci_disable_ep(xhci, slotid, i); 2451f1ae32a1SGerd Hoffmann res = xhci_enable_ep(xhci, slotid, i, octx+(32*i), ep_ctx); 2452f1ae32a1SGerd Hoffmann if (res != CC_SUCCESS) { 2453f1ae32a1SGerd Hoffmann return res; 2454f1ae32a1SGerd Hoffmann } 2455f1ae32a1SGerd Hoffmann DPRINTF("xhci: output ep%d.%d context: %08x %08x %08x %08x %08x\n", 2456f1ae32a1SGerd Hoffmann i/2, i%2, ep_ctx[0], ep_ctx[1], ep_ctx[2], 2457f1ae32a1SGerd Hoffmann ep_ctx[3], ep_ctx[4]); 2458616b5d53SDavid Gibson xhci_dma_write_u32s(xhci, octx+(32*i), ep_ctx, sizeof(ep_ctx)); 2459f1ae32a1SGerd Hoffmann } 2460f1ae32a1SGerd Hoffmann } 2461f1ae32a1SGerd Hoffmann 246272391da5SHans de Goede res = xhci_alloc_device_streams(xhci, slotid, ictl_ctx[1]); 246372391da5SHans de Goede if (res != CC_SUCCESS) { 246472391da5SHans de Goede for (i = 2; i <= 31; i++) { 24653d80365bSGerd Hoffmann if (ictl_ctx[1] & (1u << i)) { 246672391da5SHans de Goede xhci_disable_ep(xhci, slotid, i); 246772391da5SHans de Goede } 246872391da5SHans de Goede } 246972391da5SHans de Goede return res; 247072391da5SHans de Goede } 247172391da5SHans de Goede 2472f1ae32a1SGerd Hoffmann slot_ctx[3] &= ~(SLOT_STATE_MASK << SLOT_STATE_SHIFT); 2473f1ae32a1SGerd Hoffmann slot_ctx[3] |= SLOT_CONFIGURED << SLOT_STATE_SHIFT; 2474f1ae32a1SGerd Hoffmann slot_ctx[0] &= ~(SLOT_CONTEXT_ENTRIES_MASK << SLOT_CONTEXT_ENTRIES_SHIFT); 2475f1ae32a1SGerd Hoffmann slot_ctx[0] |= islot_ctx[0] & (SLOT_CONTEXT_ENTRIES_MASK << 2476f1ae32a1SGerd Hoffmann SLOT_CONTEXT_ENTRIES_SHIFT); 2477f1ae32a1SGerd Hoffmann DPRINTF("xhci: output slot context: %08x %08x %08x %08x\n", 2478f1ae32a1SGerd Hoffmann slot_ctx[0], slot_ctx[1], slot_ctx[2], slot_ctx[3]); 2479f1ae32a1SGerd Hoffmann 2480616b5d53SDavid Gibson xhci_dma_write_u32s(xhci, octx, slot_ctx, sizeof(slot_ctx)); 2481f1ae32a1SGerd Hoffmann 2482f1ae32a1SGerd Hoffmann return CC_SUCCESS; 2483f1ae32a1SGerd Hoffmann } 2484f1ae32a1SGerd Hoffmann 2485f1ae32a1SGerd Hoffmann 2486f1ae32a1SGerd Hoffmann static TRBCCode xhci_evaluate_slot(XHCIState *xhci, unsigned int slotid, 2487f1ae32a1SGerd Hoffmann uint64_t pictx) 2488f1ae32a1SGerd Hoffmann { 248959a70ccdSDavid Gibson dma_addr_t ictx, octx; 2490f1ae32a1SGerd Hoffmann uint32_t ictl_ctx[2]; 2491f1ae32a1SGerd Hoffmann uint32_t iep0_ctx[5]; 2492f1ae32a1SGerd Hoffmann uint32_t ep0_ctx[5]; 2493f1ae32a1SGerd Hoffmann uint32_t islot_ctx[4]; 2494f1ae32a1SGerd Hoffmann uint32_t slot_ctx[4]; 2495f1ae32a1SGerd Hoffmann 2496348f1037SGerd Hoffmann trace_usb_xhci_slot_evaluate(slotid); 249791062ae0SGerd Hoffmann assert(slotid >= 1 && slotid <= xhci->numslots); 2498f1ae32a1SGerd Hoffmann 2499f1ae32a1SGerd Hoffmann ictx = xhci_mask64(pictx); 2500f1ae32a1SGerd Hoffmann octx = xhci->slots[slotid-1].ctx; 2501f1ae32a1SGerd Hoffmann 250259a70ccdSDavid Gibson DPRINTF("xhci: input context at "DMA_ADDR_FMT"\n", ictx); 250359a70ccdSDavid Gibson DPRINTF("xhci: output context at "DMA_ADDR_FMT"\n", octx); 2504f1ae32a1SGerd Hoffmann 2505616b5d53SDavid Gibson xhci_dma_read_u32s(xhci, ictx, ictl_ctx, sizeof(ictl_ctx)); 2506f1ae32a1SGerd Hoffmann 2507f1ae32a1SGerd Hoffmann if (ictl_ctx[0] != 0x0 || ictl_ctx[1] & ~0x3) { 2508d6bb65fcSGerd Hoffmann DPRINTF("xhci: invalid input context control %08x %08x\n", 2509f1ae32a1SGerd Hoffmann ictl_ctx[0], ictl_ctx[1]); 2510f1ae32a1SGerd Hoffmann return CC_TRB_ERROR; 2511f1ae32a1SGerd Hoffmann } 2512f1ae32a1SGerd Hoffmann 2513f1ae32a1SGerd Hoffmann if (ictl_ctx[1] & 0x1) { 2514616b5d53SDavid Gibson xhci_dma_read_u32s(xhci, ictx+32, islot_ctx, sizeof(islot_ctx)); 2515f1ae32a1SGerd Hoffmann 2516f1ae32a1SGerd Hoffmann DPRINTF("xhci: input slot context: %08x %08x %08x %08x\n", 2517f1ae32a1SGerd Hoffmann islot_ctx[0], islot_ctx[1], islot_ctx[2], islot_ctx[3]); 2518f1ae32a1SGerd Hoffmann 2519616b5d53SDavid Gibson xhci_dma_read_u32s(xhci, octx, slot_ctx, sizeof(slot_ctx)); 2520f1ae32a1SGerd Hoffmann 2521f1ae32a1SGerd Hoffmann slot_ctx[1] &= ~0xFFFF; /* max exit latency */ 2522f1ae32a1SGerd Hoffmann slot_ctx[1] |= islot_ctx[1] & 0xFFFF; 2523f1ae32a1SGerd Hoffmann slot_ctx[2] &= ~0xFF00000; /* interrupter target */ 2524f1ae32a1SGerd Hoffmann slot_ctx[2] |= islot_ctx[2] & 0xFF000000; 2525f1ae32a1SGerd Hoffmann 2526f1ae32a1SGerd Hoffmann DPRINTF("xhci: output slot context: %08x %08x %08x %08x\n", 2527f1ae32a1SGerd Hoffmann slot_ctx[0], slot_ctx[1], slot_ctx[2], slot_ctx[3]); 2528f1ae32a1SGerd Hoffmann 2529616b5d53SDavid Gibson xhci_dma_write_u32s(xhci, octx, slot_ctx, sizeof(slot_ctx)); 2530f1ae32a1SGerd Hoffmann } 2531f1ae32a1SGerd Hoffmann 2532f1ae32a1SGerd Hoffmann if (ictl_ctx[1] & 0x2) { 2533616b5d53SDavid Gibson xhci_dma_read_u32s(xhci, ictx+64, iep0_ctx, sizeof(iep0_ctx)); 2534f1ae32a1SGerd Hoffmann 2535f1ae32a1SGerd Hoffmann DPRINTF("xhci: input ep0 context: %08x %08x %08x %08x %08x\n", 2536f1ae32a1SGerd Hoffmann iep0_ctx[0], iep0_ctx[1], iep0_ctx[2], 2537f1ae32a1SGerd Hoffmann iep0_ctx[3], iep0_ctx[4]); 2538f1ae32a1SGerd Hoffmann 2539616b5d53SDavid Gibson xhci_dma_read_u32s(xhci, octx+32, ep0_ctx, sizeof(ep0_ctx)); 2540f1ae32a1SGerd Hoffmann 2541f1ae32a1SGerd Hoffmann ep0_ctx[1] &= ~0xFFFF0000; /* max packet size*/ 2542f1ae32a1SGerd Hoffmann ep0_ctx[1] |= iep0_ctx[1] & 0xFFFF0000; 2543f1ae32a1SGerd Hoffmann 2544f1ae32a1SGerd Hoffmann DPRINTF("xhci: output ep0 context: %08x %08x %08x %08x %08x\n", 2545f1ae32a1SGerd Hoffmann ep0_ctx[0], ep0_ctx[1], ep0_ctx[2], ep0_ctx[3], ep0_ctx[4]); 2546f1ae32a1SGerd Hoffmann 2547616b5d53SDavid Gibson xhci_dma_write_u32s(xhci, octx+32, ep0_ctx, sizeof(ep0_ctx)); 2548f1ae32a1SGerd Hoffmann } 2549f1ae32a1SGerd Hoffmann 2550f1ae32a1SGerd Hoffmann return CC_SUCCESS; 2551f1ae32a1SGerd Hoffmann } 2552f1ae32a1SGerd Hoffmann 2553f1ae32a1SGerd Hoffmann static TRBCCode xhci_reset_slot(XHCIState *xhci, unsigned int slotid) 2554f1ae32a1SGerd Hoffmann { 2555f1ae32a1SGerd Hoffmann uint32_t slot_ctx[4]; 255659a70ccdSDavid Gibson dma_addr_t octx; 2557f1ae32a1SGerd Hoffmann int i; 2558f1ae32a1SGerd Hoffmann 2559348f1037SGerd Hoffmann trace_usb_xhci_slot_reset(slotid); 256091062ae0SGerd Hoffmann assert(slotid >= 1 && slotid <= xhci->numslots); 2561f1ae32a1SGerd Hoffmann 2562f1ae32a1SGerd Hoffmann octx = xhci->slots[slotid-1].ctx; 2563f1ae32a1SGerd Hoffmann 256459a70ccdSDavid Gibson DPRINTF("xhci: output context at "DMA_ADDR_FMT"\n", octx); 2565f1ae32a1SGerd Hoffmann 2566f1ae32a1SGerd Hoffmann for (i = 2; i <= 31; i++) { 2567f1ae32a1SGerd Hoffmann if (xhci->slots[slotid-1].eps[i-1]) { 2568f1ae32a1SGerd Hoffmann xhci_disable_ep(xhci, slotid, i); 2569f1ae32a1SGerd Hoffmann } 2570f1ae32a1SGerd Hoffmann } 2571f1ae32a1SGerd Hoffmann 2572616b5d53SDavid Gibson xhci_dma_read_u32s(xhci, octx, slot_ctx, sizeof(slot_ctx)); 2573f1ae32a1SGerd Hoffmann slot_ctx[3] &= ~(SLOT_STATE_MASK << SLOT_STATE_SHIFT); 2574f1ae32a1SGerd Hoffmann slot_ctx[3] |= SLOT_DEFAULT << SLOT_STATE_SHIFT; 2575f1ae32a1SGerd Hoffmann DPRINTF("xhci: output slot context: %08x %08x %08x %08x\n", 2576f1ae32a1SGerd Hoffmann slot_ctx[0], slot_ctx[1], slot_ctx[2], slot_ctx[3]); 2577616b5d53SDavid Gibson xhci_dma_write_u32s(xhci, octx, slot_ctx, sizeof(slot_ctx)); 2578f1ae32a1SGerd Hoffmann 2579f1ae32a1SGerd Hoffmann return CC_SUCCESS; 2580f1ae32a1SGerd Hoffmann } 2581f1ae32a1SGerd Hoffmann 2582f1ae32a1SGerd Hoffmann static unsigned int xhci_get_slot(XHCIState *xhci, XHCIEvent *event, XHCITRB *trb) 2583f1ae32a1SGerd Hoffmann { 2584f1ae32a1SGerd Hoffmann unsigned int slotid; 2585f1ae32a1SGerd Hoffmann slotid = (trb->control >> TRB_CR_SLOTID_SHIFT) & TRB_CR_SLOTID_MASK; 258691062ae0SGerd Hoffmann if (slotid < 1 || slotid > xhci->numslots) { 2587d6bb65fcSGerd Hoffmann DPRINTF("xhci: bad slot id %d\n", slotid); 2588f1ae32a1SGerd Hoffmann event->ccode = CC_TRB_ERROR; 2589f1ae32a1SGerd Hoffmann return 0; 2590f1ae32a1SGerd Hoffmann } else if (!xhci->slots[slotid-1].enabled) { 2591d6bb65fcSGerd Hoffmann DPRINTF("xhci: slot id %d not enabled\n", slotid); 2592f1ae32a1SGerd Hoffmann event->ccode = CC_SLOT_NOT_ENABLED_ERROR; 2593f1ae32a1SGerd Hoffmann return 0; 2594f1ae32a1SGerd Hoffmann } 2595f1ae32a1SGerd Hoffmann return slotid; 2596f1ae32a1SGerd Hoffmann } 2597f1ae32a1SGerd Hoffmann 259881251841SGerd Hoffmann /* cleanup slot state on usb device detach */ 259981251841SGerd Hoffmann static void xhci_detach_slot(XHCIState *xhci, USBPort *uport) 260081251841SGerd Hoffmann { 26010cb41e2cSGerd Hoffmann int slot, ep; 260281251841SGerd Hoffmann 260381251841SGerd Hoffmann for (slot = 0; slot < xhci->numslots; slot++) { 260481251841SGerd Hoffmann if (xhci->slots[slot].uport == uport) { 260581251841SGerd Hoffmann break; 260681251841SGerd Hoffmann } 260781251841SGerd Hoffmann } 260881251841SGerd Hoffmann if (slot == xhci->numslots) { 260981251841SGerd Hoffmann return; 261081251841SGerd Hoffmann } 261181251841SGerd Hoffmann 26120cb41e2cSGerd Hoffmann for (ep = 0; ep < 31; ep++) { 26130cb41e2cSGerd Hoffmann if (xhci->slots[slot].eps[ep]) { 2614582d6f4aSHans de Goede xhci_ep_nuke_xfers(xhci, slot + 1, ep + 1, 0); 26150cb41e2cSGerd Hoffmann } 26160cb41e2cSGerd Hoffmann } 261781251841SGerd Hoffmann xhci->slots[slot].uport = NULL; 261881251841SGerd Hoffmann } 261981251841SGerd Hoffmann 2620f1ae32a1SGerd Hoffmann static TRBCCode xhci_get_port_bandwidth(XHCIState *xhci, uint64_t pctx) 2621f1ae32a1SGerd Hoffmann { 262259a70ccdSDavid Gibson dma_addr_t ctx; 26230846e635SGerd Hoffmann uint8_t bw_ctx[xhci->numports+1]; 2624f1ae32a1SGerd Hoffmann 2625f1ae32a1SGerd Hoffmann DPRINTF("xhci_get_port_bandwidth()\n"); 2626f1ae32a1SGerd Hoffmann 2627f1ae32a1SGerd Hoffmann ctx = xhci_mask64(pctx); 2628f1ae32a1SGerd Hoffmann 262959a70ccdSDavid Gibson DPRINTF("xhci: bandwidth context at "DMA_ADDR_FMT"\n", ctx); 2630f1ae32a1SGerd Hoffmann 2631f1ae32a1SGerd Hoffmann /* TODO: actually implement real values here */ 2632f1ae32a1SGerd Hoffmann bw_ctx[0] = 0; 26330846e635SGerd Hoffmann memset(&bw_ctx[1], 80, xhci->numports); /* 80% */ 26349b7d3334SAndreas Färber pci_dma_write(PCI_DEVICE(xhci), ctx, bw_ctx, sizeof(bw_ctx)); 2635f1ae32a1SGerd Hoffmann 2636f1ae32a1SGerd Hoffmann return CC_SUCCESS; 2637f1ae32a1SGerd Hoffmann } 2638f1ae32a1SGerd Hoffmann 2639f1ae32a1SGerd Hoffmann static uint32_t rotl(uint32_t v, unsigned count) 2640f1ae32a1SGerd Hoffmann { 2641f1ae32a1SGerd Hoffmann count &= 31; 2642f1ae32a1SGerd Hoffmann return (v << count) | (v >> (32 - count)); 2643f1ae32a1SGerd Hoffmann } 2644f1ae32a1SGerd Hoffmann 2645f1ae32a1SGerd Hoffmann 2646f1ae32a1SGerd Hoffmann static uint32_t xhci_nec_challenge(uint32_t hi, uint32_t lo) 2647f1ae32a1SGerd Hoffmann { 2648f1ae32a1SGerd Hoffmann uint32_t val; 2649f1ae32a1SGerd Hoffmann val = rotl(lo - 0x49434878, 32 - ((hi>>8) & 0x1F)); 2650f1ae32a1SGerd Hoffmann val += rotl(lo + 0x49434878, hi & 0x1F); 2651f1ae32a1SGerd Hoffmann val -= rotl(hi ^ 0x49434878, (lo >> 16) & 0x1F); 2652f1ae32a1SGerd Hoffmann return ~val; 2653f1ae32a1SGerd Hoffmann } 2654f1ae32a1SGerd Hoffmann 265559a70ccdSDavid Gibson static void xhci_via_challenge(XHCIState *xhci, uint64_t addr) 2656f1ae32a1SGerd Hoffmann { 26579b7d3334SAndreas Färber PCIDevice *pci_dev = PCI_DEVICE(xhci); 2658f1ae32a1SGerd Hoffmann uint32_t buf[8]; 2659f1ae32a1SGerd Hoffmann uint32_t obuf[8]; 266059a70ccdSDavid Gibson dma_addr_t paddr = xhci_mask64(addr); 2661f1ae32a1SGerd Hoffmann 26629b7d3334SAndreas Färber pci_dma_read(pci_dev, paddr, &buf, 32); 2663f1ae32a1SGerd Hoffmann 2664f1ae32a1SGerd Hoffmann memcpy(obuf, buf, sizeof(obuf)); 2665f1ae32a1SGerd Hoffmann 2666f1ae32a1SGerd Hoffmann if ((buf[0] & 0xff) == 2) { 2667f1ae32a1SGerd Hoffmann obuf[0] = 0x49932000 + 0x54dc200 * buf[2] + 0x7429b578 * buf[3]; 2668f1ae32a1SGerd Hoffmann obuf[0] |= (buf[2] * buf[3]) & 0xff; 2669f1ae32a1SGerd Hoffmann obuf[1] = 0x0132bb37 + 0xe89 * buf[2] + 0xf09 * buf[3]; 2670f1ae32a1SGerd Hoffmann obuf[2] = 0x0066c2e9 + 0x2091 * buf[2] + 0x19bd * buf[3]; 2671f1ae32a1SGerd Hoffmann obuf[3] = 0xd5281342 + 0x2cc9691 * buf[2] + 0x2367662 * buf[3]; 2672f1ae32a1SGerd Hoffmann obuf[4] = 0x0123c75c + 0x1595 * buf[2] + 0x19ec * buf[3]; 2673f1ae32a1SGerd Hoffmann obuf[5] = 0x00f695de + 0x26fd * buf[2] + 0x3e9 * buf[3]; 2674f1ae32a1SGerd Hoffmann obuf[6] = obuf[2] ^ obuf[3] ^ 0x29472956; 2675f1ae32a1SGerd Hoffmann obuf[7] = obuf[2] ^ obuf[3] ^ 0x65866593; 2676f1ae32a1SGerd Hoffmann } 2677f1ae32a1SGerd Hoffmann 26789b7d3334SAndreas Färber pci_dma_write(pci_dev, paddr, &obuf, 32); 2679f1ae32a1SGerd Hoffmann } 2680f1ae32a1SGerd Hoffmann 2681f1ae32a1SGerd Hoffmann static void xhci_process_commands(XHCIState *xhci) 2682f1ae32a1SGerd Hoffmann { 2683f1ae32a1SGerd Hoffmann XHCITRB trb; 2684f1ae32a1SGerd Hoffmann TRBType type; 2685f1ae32a1SGerd Hoffmann XHCIEvent event = {ER_COMMAND_COMPLETE, CC_SUCCESS}; 268659a70ccdSDavid Gibson dma_addr_t addr; 2687f1ae32a1SGerd Hoffmann unsigned int i, slotid = 0; 2688f1ae32a1SGerd Hoffmann 2689f1ae32a1SGerd Hoffmann DPRINTF("xhci_process_commands()\n"); 2690f1ae32a1SGerd Hoffmann if (!xhci_running(xhci)) { 2691f1ae32a1SGerd Hoffmann DPRINTF("xhci_process_commands() called while xHC stopped or paused\n"); 2692f1ae32a1SGerd Hoffmann return; 2693f1ae32a1SGerd Hoffmann } 2694f1ae32a1SGerd Hoffmann 2695f1ae32a1SGerd Hoffmann xhci->crcr_low |= CRCR_CRR; 2696f1ae32a1SGerd Hoffmann 2697f1ae32a1SGerd Hoffmann while ((type = xhci_ring_fetch(xhci, &xhci->cmd_ring, &trb, &addr))) { 2698f1ae32a1SGerd Hoffmann event.ptr = addr; 2699f1ae32a1SGerd Hoffmann switch (type) { 2700f1ae32a1SGerd Hoffmann case CR_ENABLE_SLOT: 270191062ae0SGerd Hoffmann for (i = 0; i < xhci->numslots; i++) { 2702f1ae32a1SGerd Hoffmann if (!xhci->slots[i].enabled) { 2703f1ae32a1SGerd Hoffmann break; 2704f1ae32a1SGerd Hoffmann } 2705f1ae32a1SGerd Hoffmann } 270691062ae0SGerd Hoffmann if (i >= xhci->numslots) { 2707d6bb65fcSGerd Hoffmann DPRINTF("xhci: no device slots available\n"); 2708f1ae32a1SGerd Hoffmann event.ccode = CC_NO_SLOTS_ERROR; 2709f1ae32a1SGerd Hoffmann } else { 2710f1ae32a1SGerd Hoffmann slotid = i+1; 2711f1ae32a1SGerd Hoffmann event.ccode = xhci_enable_slot(xhci, slotid); 2712f1ae32a1SGerd Hoffmann } 2713f1ae32a1SGerd Hoffmann break; 2714f1ae32a1SGerd Hoffmann case CR_DISABLE_SLOT: 2715f1ae32a1SGerd Hoffmann slotid = xhci_get_slot(xhci, &event, &trb); 2716f1ae32a1SGerd Hoffmann if (slotid) { 2717f1ae32a1SGerd Hoffmann event.ccode = xhci_disable_slot(xhci, slotid); 2718f1ae32a1SGerd Hoffmann } 2719f1ae32a1SGerd Hoffmann break; 2720f1ae32a1SGerd Hoffmann case CR_ADDRESS_DEVICE: 2721f1ae32a1SGerd Hoffmann slotid = xhci_get_slot(xhci, &event, &trb); 2722f1ae32a1SGerd Hoffmann if (slotid) { 2723f1ae32a1SGerd Hoffmann event.ccode = xhci_address_slot(xhci, slotid, trb.parameter, 2724f1ae32a1SGerd Hoffmann trb.control & TRB_CR_BSR); 2725f1ae32a1SGerd Hoffmann } 2726f1ae32a1SGerd Hoffmann break; 2727f1ae32a1SGerd Hoffmann case CR_CONFIGURE_ENDPOINT: 2728f1ae32a1SGerd Hoffmann slotid = xhci_get_slot(xhci, &event, &trb); 2729f1ae32a1SGerd Hoffmann if (slotid) { 2730f1ae32a1SGerd Hoffmann event.ccode = xhci_configure_slot(xhci, slotid, trb.parameter, 2731f1ae32a1SGerd Hoffmann trb.control & TRB_CR_DC); 2732f1ae32a1SGerd Hoffmann } 2733f1ae32a1SGerd Hoffmann break; 2734f1ae32a1SGerd Hoffmann case CR_EVALUATE_CONTEXT: 2735f1ae32a1SGerd Hoffmann slotid = xhci_get_slot(xhci, &event, &trb); 2736f1ae32a1SGerd Hoffmann if (slotid) { 2737f1ae32a1SGerd Hoffmann event.ccode = xhci_evaluate_slot(xhci, slotid, trb.parameter); 2738f1ae32a1SGerd Hoffmann } 2739f1ae32a1SGerd Hoffmann break; 2740f1ae32a1SGerd Hoffmann case CR_STOP_ENDPOINT: 2741f1ae32a1SGerd Hoffmann slotid = xhci_get_slot(xhci, &event, &trb); 2742f1ae32a1SGerd Hoffmann if (slotid) { 2743f1ae32a1SGerd Hoffmann unsigned int epid = (trb.control >> TRB_CR_EPID_SHIFT) 2744f1ae32a1SGerd Hoffmann & TRB_CR_EPID_MASK; 2745f1ae32a1SGerd Hoffmann event.ccode = xhci_stop_ep(xhci, slotid, epid); 2746f1ae32a1SGerd Hoffmann } 2747f1ae32a1SGerd Hoffmann break; 2748f1ae32a1SGerd Hoffmann case CR_RESET_ENDPOINT: 2749f1ae32a1SGerd Hoffmann slotid = xhci_get_slot(xhci, &event, &trb); 2750f1ae32a1SGerd Hoffmann if (slotid) { 2751f1ae32a1SGerd Hoffmann unsigned int epid = (trb.control >> TRB_CR_EPID_SHIFT) 2752f1ae32a1SGerd Hoffmann & TRB_CR_EPID_MASK; 2753f1ae32a1SGerd Hoffmann event.ccode = xhci_reset_ep(xhci, slotid, epid); 2754f1ae32a1SGerd Hoffmann } 2755f1ae32a1SGerd Hoffmann break; 2756f1ae32a1SGerd Hoffmann case CR_SET_TR_DEQUEUE: 2757f1ae32a1SGerd Hoffmann slotid = xhci_get_slot(xhci, &event, &trb); 2758f1ae32a1SGerd Hoffmann if (slotid) { 2759f1ae32a1SGerd Hoffmann unsigned int epid = (trb.control >> TRB_CR_EPID_SHIFT) 2760f1ae32a1SGerd Hoffmann & TRB_CR_EPID_MASK; 2761024426acSGerd Hoffmann unsigned int streamid = (trb.status >> 16) & 0xffff; 2762024426acSGerd Hoffmann event.ccode = xhci_set_ep_dequeue(xhci, slotid, 2763024426acSGerd Hoffmann epid, streamid, 2764f1ae32a1SGerd Hoffmann trb.parameter); 2765f1ae32a1SGerd Hoffmann } 2766f1ae32a1SGerd Hoffmann break; 2767f1ae32a1SGerd Hoffmann case CR_RESET_DEVICE: 2768f1ae32a1SGerd Hoffmann slotid = xhci_get_slot(xhci, &event, &trb); 2769f1ae32a1SGerd Hoffmann if (slotid) { 2770f1ae32a1SGerd Hoffmann event.ccode = xhci_reset_slot(xhci, slotid); 2771f1ae32a1SGerd Hoffmann } 2772f1ae32a1SGerd Hoffmann break; 2773f1ae32a1SGerd Hoffmann case CR_GET_PORT_BANDWIDTH: 2774f1ae32a1SGerd Hoffmann event.ccode = xhci_get_port_bandwidth(xhci, trb.parameter); 2775f1ae32a1SGerd Hoffmann break; 2776f1ae32a1SGerd Hoffmann case CR_VENDOR_VIA_CHALLENGE_RESPONSE: 277759a70ccdSDavid Gibson xhci_via_challenge(xhci, trb.parameter); 2778f1ae32a1SGerd Hoffmann break; 2779f1ae32a1SGerd Hoffmann case CR_VENDOR_NEC_FIRMWARE_REVISION: 2780f1ae32a1SGerd Hoffmann event.type = 48; /* NEC reply */ 2781f1ae32a1SGerd Hoffmann event.length = 0x3025; 2782f1ae32a1SGerd Hoffmann break; 2783f1ae32a1SGerd Hoffmann case CR_VENDOR_NEC_CHALLENGE_RESPONSE: 2784f1ae32a1SGerd Hoffmann { 2785f1ae32a1SGerd Hoffmann uint32_t chi = trb.parameter >> 32; 2786f1ae32a1SGerd Hoffmann uint32_t clo = trb.parameter; 2787f1ae32a1SGerd Hoffmann uint32_t val = xhci_nec_challenge(chi, clo); 2788f1ae32a1SGerd Hoffmann event.length = val & 0xFFFF; 2789f1ae32a1SGerd Hoffmann event.epid = val >> 16; 2790f1ae32a1SGerd Hoffmann slotid = val >> 24; 2791f1ae32a1SGerd Hoffmann event.type = 48; /* NEC reply */ 2792f1ae32a1SGerd Hoffmann } 2793f1ae32a1SGerd Hoffmann break; 2794f1ae32a1SGerd Hoffmann default: 27950ab966cfSGerd Hoffmann trace_usb_xhci_unimplemented("command", type); 2796f1ae32a1SGerd Hoffmann event.ccode = CC_TRB_ERROR; 2797f1ae32a1SGerd Hoffmann break; 2798f1ae32a1SGerd Hoffmann } 2799f1ae32a1SGerd Hoffmann event.slotid = slotid; 28002d1de850SGerd Hoffmann xhci_event(xhci, &event, 0); 2801f1ae32a1SGerd Hoffmann } 2802f1ae32a1SGerd Hoffmann } 2803f1ae32a1SGerd Hoffmann 28046a32f80fSGerd Hoffmann static bool xhci_port_have_device(XHCIPort *port) 28056a32f80fSGerd Hoffmann { 28066a32f80fSGerd Hoffmann if (!port->uport->dev || !port->uport->dev->attached) { 28076a32f80fSGerd Hoffmann return false; /* no device present */ 28086a32f80fSGerd Hoffmann } 28096a32f80fSGerd Hoffmann if (!((1 << port->uport->dev->speed) & port->speedmask)) { 28106a32f80fSGerd Hoffmann return false; /* speed mismatch */ 28116a32f80fSGerd Hoffmann } 28126a32f80fSGerd Hoffmann return true; 28136a32f80fSGerd Hoffmann } 28146a32f80fSGerd Hoffmann 2815f705a362SGerd Hoffmann static void xhci_port_notify(XHCIPort *port, uint32_t bits) 2816f705a362SGerd Hoffmann { 2817f705a362SGerd Hoffmann XHCIEvent ev = { ER_PORT_STATUS_CHANGE, CC_SUCCESS, 2818f705a362SGerd Hoffmann port->portnr << 24 }; 2819f705a362SGerd Hoffmann 2820f705a362SGerd Hoffmann if ((port->portsc & bits) == bits) { 2821f705a362SGerd Hoffmann return; 2822f705a362SGerd Hoffmann } 2823bdfce20dSGerd Hoffmann trace_usb_xhci_port_notify(port->portnr, bits); 2824f705a362SGerd Hoffmann port->portsc |= bits; 2825f705a362SGerd Hoffmann if (!xhci_running(port->xhci)) { 2826f705a362SGerd Hoffmann return; 2827f705a362SGerd Hoffmann } 2828f705a362SGerd Hoffmann xhci_event(port->xhci, &ev, 0); 2829f705a362SGerd Hoffmann } 2830f705a362SGerd Hoffmann 2831f3214027SGerd Hoffmann static void xhci_port_update(XHCIPort *port, int is_detach) 2832f1ae32a1SGerd Hoffmann { 2833b62b0828SGerd Hoffmann uint32_t pls = PLS_RX_DETECT; 2834b62b0828SGerd Hoffmann 2835f1ae32a1SGerd Hoffmann port->portsc = PORTSC_PP; 28366a32f80fSGerd Hoffmann if (!is_detach && xhci_port_have_device(port)) { 2837f1ae32a1SGerd Hoffmann port->portsc |= PORTSC_CCS; 28380846e635SGerd Hoffmann switch (port->uport->dev->speed) { 2839f1ae32a1SGerd Hoffmann case USB_SPEED_LOW: 2840f1ae32a1SGerd Hoffmann port->portsc |= PORTSC_SPEED_LOW; 2841b62b0828SGerd Hoffmann pls = PLS_POLLING; 2842f1ae32a1SGerd Hoffmann break; 2843f1ae32a1SGerd Hoffmann case USB_SPEED_FULL: 2844f1ae32a1SGerd Hoffmann port->portsc |= PORTSC_SPEED_FULL; 2845b62b0828SGerd Hoffmann pls = PLS_POLLING; 2846f1ae32a1SGerd Hoffmann break; 2847f1ae32a1SGerd Hoffmann case USB_SPEED_HIGH: 2848f1ae32a1SGerd Hoffmann port->portsc |= PORTSC_SPEED_HIGH; 2849b62b0828SGerd Hoffmann pls = PLS_POLLING; 2850f1ae32a1SGerd Hoffmann break; 28510846e635SGerd Hoffmann case USB_SPEED_SUPER: 28520846e635SGerd Hoffmann port->portsc |= PORTSC_SPEED_SUPER; 2853b62b0828SGerd Hoffmann port->portsc |= PORTSC_PED; 2854b62b0828SGerd Hoffmann pls = PLS_U0; 28550846e635SGerd Hoffmann break; 2856f1ae32a1SGerd Hoffmann } 2857f1ae32a1SGerd Hoffmann } 2858b62b0828SGerd Hoffmann set_field(&port->portsc, pls, PORTSC_PLS); 28594f47f0f8SGerd Hoffmann trace_usb_xhci_port_link(port->portnr, pls); 2860f705a362SGerd Hoffmann xhci_port_notify(port, PORTSC_CSC); 2861f1ae32a1SGerd Hoffmann } 2862f1ae32a1SGerd Hoffmann 2863dad5b9eaSGerd Hoffmann static void xhci_port_reset(XHCIPort *port, bool warm_reset) 286440030130SGerd Hoffmann { 28657bd3055fSGerd Hoffmann trace_usb_xhci_port_reset(port->portnr, warm_reset); 28664f47f0f8SGerd Hoffmann 2867b62b0828SGerd Hoffmann if (!xhci_port_have_device(port)) { 2868b62b0828SGerd Hoffmann return; 2869b62b0828SGerd Hoffmann } 2870b62b0828SGerd Hoffmann 287140030130SGerd Hoffmann usb_device_reset(port->uport->dev); 2872b62b0828SGerd Hoffmann 2873b62b0828SGerd Hoffmann switch (port->uport->dev->speed) { 2874dad5b9eaSGerd Hoffmann case USB_SPEED_SUPER: 2875dad5b9eaSGerd Hoffmann if (warm_reset) { 2876dad5b9eaSGerd Hoffmann port->portsc |= PORTSC_WRC; 2877dad5b9eaSGerd Hoffmann } 2878dad5b9eaSGerd Hoffmann /* fall through */ 2879b62b0828SGerd Hoffmann case USB_SPEED_LOW: 2880b62b0828SGerd Hoffmann case USB_SPEED_FULL: 2881b62b0828SGerd Hoffmann case USB_SPEED_HIGH: 2882b62b0828SGerd Hoffmann set_field(&port->portsc, PLS_U0, PORTSC_PLS); 28834f47f0f8SGerd Hoffmann trace_usb_xhci_port_link(port->portnr, PLS_U0); 2884b62b0828SGerd Hoffmann port->portsc |= PORTSC_PED; 2885b62b0828SGerd Hoffmann break; 2886b62b0828SGerd Hoffmann } 2887b62b0828SGerd Hoffmann 2888b62b0828SGerd Hoffmann port->portsc &= ~PORTSC_PR; 2889b62b0828SGerd Hoffmann xhci_port_notify(port, PORTSC_PRC); 289040030130SGerd Hoffmann } 289140030130SGerd Hoffmann 289264619739SJan Kiszka static void xhci_reset(DeviceState *dev) 2893f1ae32a1SGerd Hoffmann { 289437034575SPeter Crosthwaite XHCIState *xhci = XHCI(dev); 2895f1ae32a1SGerd Hoffmann int i; 2896f1ae32a1SGerd Hoffmann 28972d754a10SGerd Hoffmann trace_usb_xhci_reset(); 2898f1ae32a1SGerd Hoffmann if (!(xhci->usbsts & USBSTS_HCH)) { 2899d6bb65fcSGerd Hoffmann DPRINTF("xhci: reset while running!\n"); 2900f1ae32a1SGerd Hoffmann } 2901f1ae32a1SGerd Hoffmann 2902f1ae32a1SGerd Hoffmann xhci->usbcmd = 0; 2903f1ae32a1SGerd Hoffmann xhci->usbsts = USBSTS_HCH; 2904f1ae32a1SGerd Hoffmann xhci->dnctrl = 0; 2905f1ae32a1SGerd Hoffmann xhci->crcr_low = 0; 2906f1ae32a1SGerd Hoffmann xhci->crcr_high = 0; 2907f1ae32a1SGerd Hoffmann xhci->dcbaap_low = 0; 2908f1ae32a1SGerd Hoffmann xhci->dcbaap_high = 0; 2909f1ae32a1SGerd Hoffmann xhci->config = 0; 2910f1ae32a1SGerd Hoffmann 291191062ae0SGerd Hoffmann for (i = 0; i < xhci->numslots; i++) { 2912f1ae32a1SGerd Hoffmann xhci_disable_slot(xhci, i+1); 2913f1ae32a1SGerd Hoffmann } 2914f1ae32a1SGerd Hoffmann 29150846e635SGerd Hoffmann for (i = 0; i < xhci->numports; i++) { 2916f3214027SGerd Hoffmann xhci_port_update(xhci->ports + i, 0); 2917f1ae32a1SGerd Hoffmann } 2918f1ae32a1SGerd Hoffmann 291991062ae0SGerd Hoffmann for (i = 0; i < xhci->numintrs; i++) { 2920962d11e1SGerd Hoffmann xhci->intr[i].iman = 0; 2921962d11e1SGerd Hoffmann xhci->intr[i].imod = 0; 2922962d11e1SGerd Hoffmann xhci->intr[i].erstsz = 0; 2923962d11e1SGerd Hoffmann xhci->intr[i].erstba_low = 0; 2924962d11e1SGerd Hoffmann xhci->intr[i].erstba_high = 0; 2925962d11e1SGerd Hoffmann xhci->intr[i].erdp_low = 0; 2926962d11e1SGerd Hoffmann xhci->intr[i].erdp_high = 0; 2927962d11e1SGerd Hoffmann xhci->intr[i].msix_used = 0; 2928f1ae32a1SGerd Hoffmann 2929962d11e1SGerd Hoffmann xhci->intr[i].er_ep_idx = 0; 2930962d11e1SGerd Hoffmann xhci->intr[i].er_pcs = 1; 2931962d11e1SGerd Hoffmann xhci->intr[i].er_full = 0; 2932962d11e1SGerd Hoffmann xhci->intr[i].ev_buffer_put = 0; 2933962d11e1SGerd Hoffmann xhci->intr[i].ev_buffer_get = 0; 2934962d11e1SGerd Hoffmann } 293501546fa6SGerd Hoffmann 2936bc72ad67SAlex Bligh xhci->mfindex_start = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL); 293701546fa6SGerd Hoffmann xhci_mfwrap_update(xhci); 2938f1ae32a1SGerd Hoffmann } 2939f1ae32a1SGerd Hoffmann 2940a8170e5eSAvi Kivity static uint64_t xhci_cap_read(void *ptr, hwaddr reg, unsigned size) 2941f1ae32a1SGerd Hoffmann { 29421b067564SGerd Hoffmann XHCIState *xhci = ptr; 29432d754a10SGerd Hoffmann uint32_t ret; 2944f1ae32a1SGerd Hoffmann 2945f1ae32a1SGerd Hoffmann switch (reg) { 2946f1ae32a1SGerd Hoffmann case 0x00: /* HCIVERSION, CAPLENGTH */ 29472d754a10SGerd Hoffmann ret = 0x01000000 | LEN_CAP; 29482d754a10SGerd Hoffmann break; 2949f1ae32a1SGerd Hoffmann case 0x04: /* HCSPARAMS 1 */ 29500846e635SGerd Hoffmann ret = ((xhci->numports_2+xhci->numports_3)<<24) 295191062ae0SGerd Hoffmann | (xhci->numintrs<<8) | xhci->numslots; 29522d754a10SGerd Hoffmann break; 2953f1ae32a1SGerd Hoffmann case 0x08: /* HCSPARAMS 2 */ 29542d754a10SGerd Hoffmann ret = 0x0000000f; 29552d754a10SGerd Hoffmann break; 2956f1ae32a1SGerd Hoffmann case 0x0c: /* HCSPARAMS 3 */ 29572d754a10SGerd Hoffmann ret = 0x00000000; 29582d754a10SGerd Hoffmann break; 2959f1ae32a1SGerd Hoffmann case 0x10: /* HCCPARAMS */ 29602d754a10SGerd Hoffmann if (sizeof(dma_addr_t) == 4) { 2961*2aa6bfcbSGerd Hoffmann ret = 0x00080000 | (xhci->max_pstreams_mask << 12); 29622d754a10SGerd Hoffmann } else { 2963*2aa6bfcbSGerd Hoffmann ret = 0x00080001 | (xhci->max_pstreams_mask << 12); 29642d754a10SGerd Hoffmann } 29652d754a10SGerd Hoffmann break; 2966f1ae32a1SGerd Hoffmann case 0x14: /* DBOFF */ 29672d754a10SGerd Hoffmann ret = OFF_DOORBELL; 29682d754a10SGerd Hoffmann break; 2969f1ae32a1SGerd Hoffmann case 0x18: /* RTSOFF */ 29702d754a10SGerd Hoffmann ret = OFF_RUNTIME; 29712d754a10SGerd Hoffmann break; 2972f1ae32a1SGerd Hoffmann 2973f1ae32a1SGerd Hoffmann /* extended capabilities */ 2974f1ae32a1SGerd Hoffmann case 0x20: /* Supported Protocol:00 */ 29752d754a10SGerd Hoffmann ret = 0x02000402; /* USB 2.0 */ 29762d754a10SGerd Hoffmann break; 2977f1ae32a1SGerd Hoffmann case 0x24: /* Supported Protocol:04 */ 29780ebfb144SGerd Hoffmann ret = 0x20425355; /* "USB " */ 29792d754a10SGerd Hoffmann break; 2980f1ae32a1SGerd Hoffmann case 0x28: /* Supported Protocol:08 */ 29817bafd888SGerd Hoffmann if (xhci_get_flag(xhci, XHCI_FLAG_SS_FIRST)) { 29827bafd888SGerd Hoffmann ret = (xhci->numports_2<<8) | (xhci->numports_3+1); 29837bafd888SGerd Hoffmann } else { 29847bafd888SGerd Hoffmann ret = (xhci->numports_2<<8) | 1; 29857bafd888SGerd Hoffmann } 29862d754a10SGerd Hoffmann break; 2987f1ae32a1SGerd Hoffmann case 0x2c: /* Supported Protocol:0c */ 29882d754a10SGerd Hoffmann ret = 0x00000000; /* reserved */ 29892d754a10SGerd Hoffmann break; 2990f1ae32a1SGerd Hoffmann case 0x30: /* Supported Protocol:00 */ 29912d754a10SGerd Hoffmann ret = 0x03000002; /* USB 3.0 */ 29922d754a10SGerd Hoffmann break; 2993f1ae32a1SGerd Hoffmann case 0x34: /* Supported Protocol:04 */ 29940ebfb144SGerd Hoffmann ret = 0x20425355; /* "USB " */ 29952d754a10SGerd Hoffmann break; 2996f1ae32a1SGerd Hoffmann case 0x38: /* Supported Protocol:08 */ 29977bafd888SGerd Hoffmann if (xhci_get_flag(xhci, XHCI_FLAG_SS_FIRST)) { 29987bafd888SGerd Hoffmann ret = (xhci->numports_3<<8) | 1; 29997bafd888SGerd Hoffmann } else { 30007bafd888SGerd Hoffmann ret = (xhci->numports_3<<8) | (xhci->numports_2+1); 30017bafd888SGerd Hoffmann } 30022d754a10SGerd Hoffmann break; 3003f1ae32a1SGerd Hoffmann case 0x3c: /* Supported Protocol:0c */ 30042d754a10SGerd Hoffmann ret = 0x00000000; /* reserved */ 30052d754a10SGerd Hoffmann break; 3006f1ae32a1SGerd Hoffmann default: 30070ab966cfSGerd Hoffmann trace_usb_xhci_unimplemented("cap read", reg); 30082d754a10SGerd Hoffmann ret = 0; 3009f1ae32a1SGerd Hoffmann } 30102d754a10SGerd Hoffmann 30112d754a10SGerd Hoffmann trace_usb_xhci_cap_read(reg, ret); 30122d754a10SGerd Hoffmann return ret; 3013f1ae32a1SGerd Hoffmann } 3014f1ae32a1SGerd Hoffmann 3015a8170e5eSAvi Kivity static uint64_t xhci_port_read(void *ptr, hwaddr reg, unsigned size) 3016f1ae32a1SGerd Hoffmann { 30171d8a4e69SGerd Hoffmann XHCIPort *port = ptr; 30182d754a10SGerd Hoffmann uint32_t ret; 30192d754a10SGerd Hoffmann 30201d8a4e69SGerd Hoffmann switch (reg) { 3021f1ae32a1SGerd Hoffmann case 0x00: /* PORTSC */ 30221d8a4e69SGerd Hoffmann ret = port->portsc; 30232d754a10SGerd Hoffmann break; 3024f1ae32a1SGerd Hoffmann case 0x04: /* PORTPMSC */ 3025f1ae32a1SGerd Hoffmann case 0x08: /* PORTLI */ 30262d754a10SGerd Hoffmann ret = 0; 30272d754a10SGerd Hoffmann break; 3028f1ae32a1SGerd Hoffmann case 0x0c: /* reserved */ 3029f1ae32a1SGerd Hoffmann default: 30300ab966cfSGerd Hoffmann trace_usb_xhci_unimplemented("port read", reg); 30312d754a10SGerd Hoffmann ret = 0; 3032f1ae32a1SGerd Hoffmann } 30332d754a10SGerd Hoffmann 30341d8a4e69SGerd Hoffmann trace_usb_xhci_port_read(port->portnr, reg, ret); 30352d754a10SGerd Hoffmann return ret; 3036f1ae32a1SGerd Hoffmann } 3037f1ae32a1SGerd Hoffmann 3038a8170e5eSAvi Kivity static void xhci_port_write(void *ptr, hwaddr reg, 30391d8a4e69SGerd Hoffmann uint64_t val, unsigned size) 3040f1ae32a1SGerd Hoffmann { 30411d8a4e69SGerd Hoffmann XHCIPort *port = ptr; 3042bdfce20dSGerd Hoffmann uint32_t portsc, notify; 3043f1ae32a1SGerd Hoffmann 30441d8a4e69SGerd Hoffmann trace_usb_xhci_port_write(port->portnr, reg, val); 30452d754a10SGerd Hoffmann 30461d8a4e69SGerd Hoffmann switch (reg) { 3047f1ae32a1SGerd Hoffmann case 0x00: /* PORTSC */ 3048bdfce20dSGerd Hoffmann /* write-1-to-start bits */ 3049dad5b9eaSGerd Hoffmann if (val & PORTSC_WPR) { 3050dad5b9eaSGerd Hoffmann xhci_port_reset(port, true); 3051dad5b9eaSGerd Hoffmann break; 3052dad5b9eaSGerd Hoffmann } 3053bdfce20dSGerd Hoffmann if (val & PORTSC_PR) { 3054dad5b9eaSGerd Hoffmann xhci_port_reset(port, false); 3055bdfce20dSGerd Hoffmann break; 3056bdfce20dSGerd Hoffmann } 3057bdfce20dSGerd Hoffmann 30581d8a4e69SGerd Hoffmann portsc = port->portsc; 3059bdfce20dSGerd Hoffmann notify = 0; 3060f1ae32a1SGerd Hoffmann /* write-1-to-clear bits*/ 3061f1ae32a1SGerd Hoffmann portsc &= ~(val & (PORTSC_CSC|PORTSC_PEC|PORTSC_WRC|PORTSC_OCC| 3062f1ae32a1SGerd Hoffmann PORTSC_PRC|PORTSC_PLC|PORTSC_CEC)); 3063f1ae32a1SGerd Hoffmann if (val & PORTSC_LWS) { 3064f1ae32a1SGerd Hoffmann /* overwrite PLS only when LWS=1 */ 3065bdfce20dSGerd Hoffmann uint32_t old_pls = get_field(port->portsc, PORTSC_PLS); 3066bdfce20dSGerd Hoffmann uint32_t new_pls = get_field(val, PORTSC_PLS); 3067bdfce20dSGerd Hoffmann switch (new_pls) { 3068bdfce20dSGerd Hoffmann case PLS_U0: 3069bdfce20dSGerd Hoffmann if (old_pls != PLS_U0) { 3070bdfce20dSGerd Hoffmann set_field(&portsc, new_pls, PORTSC_PLS); 3071bdfce20dSGerd Hoffmann trace_usb_xhci_port_link(port->portnr, new_pls); 3072bdfce20dSGerd Hoffmann notify = PORTSC_PLC; 3073bdfce20dSGerd Hoffmann } 3074bdfce20dSGerd Hoffmann break; 3075bdfce20dSGerd Hoffmann case PLS_U3: 3076bdfce20dSGerd Hoffmann if (old_pls < PLS_U3) { 3077bdfce20dSGerd Hoffmann set_field(&portsc, new_pls, PORTSC_PLS); 3078bdfce20dSGerd Hoffmann trace_usb_xhci_port_link(port->portnr, new_pls); 3079bdfce20dSGerd Hoffmann } 3080bdfce20dSGerd Hoffmann break; 3081bdfce20dSGerd Hoffmann case PLS_RESUME: 3082bdfce20dSGerd Hoffmann /* windows does this for some reason, don't spam stderr */ 3083bdfce20dSGerd Hoffmann break; 3084bdfce20dSGerd Hoffmann default: 3085d6bb65fcSGerd Hoffmann DPRINTF("%s: ignore pls write (old %d, new %d)\n", 3086bdfce20dSGerd Hoffmann __func__, old_pls, new_pls); 3087bdfce20dSGerd Hoffmann break; 3088bdfce20dSGerd Hoffmann } 3089f1ae32a1SGerd Hoffmann } 3090f1ae32a1SGerd Hoffmann /* read/write bits */ 3091f1ae32a1SGerd Hoffmann portsc &= ~(PORTSC_PP|PORTSC_WCE|PORTSC_WDE|PORTSC_WOE); 3092f1ae32a1SGerd Hoffmann portsc |= (val & (PORTSC_PP|PORTSC_WCE|PORTSC_WDE|PORTSC_WOE)); 309340030130SGerd Hoffmann port->portsc = portsc; 3094bdfce20dSGerd Hoffmann if (notify) { 3095bdfce20dSGerd Hoffmann xhci_port_notify(port, notify); 3096f1ae32a1SGerd Hoffmann } 3097f1ae32a1SGerd Hoffmann break; 3098f1ae32a1SGerd Hoffmann case 0x04: /* PORTPMSC */ 3099f1ae32a1SGerd Hoffmann case 0x08: /* PORTLI */ 3100f1ae32a1SGerd Hoffmann default: 31010ab966cfSGerd Hoffmann trace_usb_xhci_unimplemented("port write", reg); 3102f1ae32a1SGerd Hoffmann } 3103f1ae32a1SGerd Hoffmann } 3104f1ae32a1SGerd Hoffmann 3105a8170e5eSAvi Kivity static uint64_t xhci_oper_read(void *ptr, hwaddr reg, unsigned size) 3106f1ae32a1SGerd Hoffmann { 31071b067564SGerd Hoffmann XHCIState *xhci = ptr; 31082d754a10SGerd Hoffmann uint32_t ret; 3109f1ae32a1SGerd Hoffmann 3110f1ae32a1SGerd Hoffmann switch (reg) { 3111f1ae32a1SGerd Hoffmann case 0x00: /* USBCMD */ 31122d754a10SGerd Hoffmann ret = xhci->usbcmd; 31132d754a10SGerd Hoffmann break; 3114f1ae32a1SGerd Hoffmann case 0x04: /* USBSTS */ 31152d754a10SGerd Hoffmann ret = xhci->usbsts; 31162d754a10SGerd Hoffmann break; 3117f1ae32a1SGerd Hoffmann case 0x08: /* PAGESIZE */ 31182d754a10SGerd Hoffmann ret = 1; /* 4KiB */ 31192d754a10SGerd Hoffmann break; 3120f1ae32a1SGerd Hoffmann case 0x14: /* DNCTRL */ 31212d754a10SGerd Hoffmann ret = xhci->dnctrl; 31222d754a10SGerd Hoffmann break; 3123f1ae32a1SGerd Hoffmann case 0x18: /* CRCR low */ 31242d754a10SGerd Hoffmann ret = xhci->crcr_low & ~0xe; 31252d754a10SGerd Hoffmann break; 3126f1ae32a1SGerd Hoffmann case 0x1c: /* CRCR high */ 31272d754a10SGerd Hoffmann ret = xhci->crcr_high; 31282d754a10SGerd Hoffmann break; 3129f1ae32a1SGerd Hoffmann case 0x30: /* DCBAAP low */ 31302d754a10SGerd Hoffmann ret = xhci->dcbaap_low; 31312d754a10SGerd Hoffmann break; 3132f1ae32a1SGerd Hoffmann case 0x34: /* DCBAAP high */ 31332d754a10SGerd Hoffmann ret = xhci->dcbaap_high; 31342d754a10SGerd Hoffmann break; 3135f1ae32a1SGerd Hoffmann case 0x38: /* CONFIG */ 31362d754a10SGerd Hoffmann ret = xhci->config; 31372d754a10SGerd Hoffmann break; 3138f1ae32a1SGerd Hoffmann default: 31390ab966cfSGerd Hoffmann trace_usb_xhci_unimplemented("oper read", reg); 31402d754a10SGerd Hoffmann ret = 0; 3141f1ae32a1SGerd Hoffmann } 31422d754a10SGerd Hoffmann 31432d754a10SGerd Hoffmann trace_usb_xhci_oper_read(reg, ret); 31442d754a10SGerd Hoffmann return ret; 3145f1ae32a1SGerd Hoffmann } 3146f1ae32a1SGerd Hoffmann 3147a8170e5eSAvi Kivity static void xhci_oper_write(void *ptr, hwaddr reg, 31481b067564SGerd Hoffmann uint64_t val, unsigned size) 3149f1ae32a1SGerd Hoffmann { 31501b067564SGerd Hoffmann XHCIState *xhci = ptr; 315137034575SPeter Crosthwaite DeviceState *d = DEVICE(ptr); 31521b067564SGerd Hoffmann 31532d754a10SGerd Hoffmann trace_usb_xhci_oper_write(reg, val); 31542d754a10SGerd Hoffmann 3155f1ae32a1SGerd Hoffmann switch (reg) { 3156f1ae32a1SGerd Hoffmann case 0x00: /* USBCMD */ 3157f1ae32a1SGerd Hoffmann if ((val & USBCMD_RS) && !(xhci->usbcmd & USBCMD_RS)) { 3158f1ae32a1SGerd Hoffmann xhci_run(xhci); 3159f1ae32a1SGerd Hoffmann } else if (!(val & USBCMD_RS) && (xhci->usbcmd & USBCMD_RS)) { 3160f1ae32a1SGerd Hoffmann xhci_stop(xhci); 3161f1ae32a1SGerd Hoffmann } 3162f1f8bc21SGerd Hoffmann if (val & USBCMD_CSS) { 3163f1f8bc21SGerd Hoffmann /* save state */ 3164f1f8bc21SGerd Hoffmann xhci->usbsts &= ~USBSTS_SRE; 3165f1f8bc21SGerd Hoffmann } 3166f1f8bc21SGerd Hoffmann if (val & USBCMD_CRS) { 3167f1f8bc21SGerd Hoffmann /* restore state */ 3168f1f8bc21SGerd Hoffmann xhci->usbsts |= USBSTS_SRE; 3169f1f8bc21SGerd Hoffmann } 3170f1ae32a1SGerd Hoffmann xhci->usbcmd = val & 0xc0f; 317101546fa6SGerd Hoffmann xhci_mfwrap_update(xhci); 3172f1ae32a1SGerd Hoffmann if (val & USBCMD_HCRST) { 317337034575SPeter Crosthwaite xhci_reset(d); 3174f1ae32a1SGerd Hoffmann } 31754c4abe7cSGerd Hoffmann xhci_intx_update(xhci); 3176f1ae32a1SGerd Hoffmann break; 3177f1ae32a1SGerd Hoffmann 3178f1ae32a1SGerd Hoffmann case 0x04: /* USBSTS */ 3179f1ae32a1SGerd Hoffmann /* these bits are write-1-to-clear */ 3180f1ae32a1SGerd Hoffmann xhci->usbsts &= ~(val & (USBSTS_HSE|USBSTS_EINT|USBSTS_PCD|USBSTS_SRE)); 31814c4abe7cSGerd Hoffmann xhci_intx_update(xhci); 3182f1ae32a1SGerd Hoffmann break; 3183f1ae32a1SGerd Hoffmann 3184f1ae32a1SGerd Hoffmann case 0x14: /* DNCTRL */ 3185f1ae32a1SGerd Hoffmann xhci->dnctrl = val & 0xffff; 3186f1ae32a1SGerd Hoffmann break; 3187f1ae32a1SGerd Hoffmann case 0x18: /* CRCR low */ 3188f1ae32a1SGerd Hoffmann xhci->crcr_low = (val & 0xffffffcf) | (xhci->crcr_low & CRCR_CRR); 3189f1ae32a1SGerd Hoffmann break; 3190f1ae32a1SGerd Hoffmann case 0x1c: /* CRCR high */ 3191f1ae32a1SGerd Hoffmann xhci->crcr_high = val; 3192f1ae32a1SGerd Hoffmann if (xhci->crcr_low & (CRCR_CA|CRCR_CS) && (xhci->crcr_low & CRCR_CRR)) { 3193f1ae32a1SGerd Hoffmann XHCIEvent event = {ER_COMMAND_COMPLETE, CC_COMMAND_RING_STOPPED}; 3194f1ae32a1SGerd Hoffmann xhci->crcr_low &= ~CRCR_CRR; 31952d1de850SGerd Hoffmann xhci_event(xhci, &event, 0); 3196f1ae32a1SGerd Hoffmann DPRINTF("xhci: command ring stopped (CRCR=%08x)\n", xhci->crcr_low); 3197f1ae32a1SGerd Hoffmann } else { 319859a70ccdSDavid Gibson dma_addr_t base = xhci_addr64(xhci->crcr_low & ~0x3f, val); 3199f1ae32a1SGerd Hoffmann xhci_ring_init(xhci, &xhci->cmd_ring, base); 3200f1ae32a1SGerd Hoffmann } 3201f1ae32a1SGerd Hoffmann xhci->crcr_low &= ~(CRCR_CA | CRCR_CS); 3202f1ae32a1SGerd Hoffmann break; 3203f1ae32a1SGerd Hoffmann case 0x30: /* DCBAAP low */ 3204f1ae32a1SGerd Hoffmann xhci->dcbaap_low = val & 0xffffffc0; 3205f1ae32a1SGerd Hoffmann break; 3206f1ae32a1SGerd Hoffmann case 0x34: /* DCBAAP high */ 3207f1ae32a1SGerd Hoffmann xhci->dcbaap_high = val; 3208f1ae32a1SGerd Hoffmann break; 3209f1ae32a1SGerd Hoffmann case 0x38: /* CONFIG */ 3210f1ae32a1SGerd Hoffmann xhci->config = val & 0xff; 3211f1ae32a1SGerd Hoffmann break; 3212f1ae32a1SGerd Hoffmann default: 32130ab966cfSGerd Hoffmann trace_usb_xhci_unimplemented("oper write", reg); 3214f1ae32a1SGerd Hoffmann } 3215f1ae32a1SGerd Hoffmann } 3216f1ae32a1SGerd Hoffmann 3217a8170e5eSAvi Kivity static uint64_t xhci_runtime_read(void *ptr, hwaddr reg, 32181b067564SGerd Hoffmann unsigned size) 3219f1ae32a1SGerd Hoffmann { 32201b067564SGerd Hoffmann XHCIState *xhci = ptr; 322143d9d604SGerd Hoffmann uint32_t ret = 0; 3222f1ae32a1SGerd Hoffmann 322343d9d604SGerd Hoffmann if (reg < 0x20) { 3224f1ae32a1SGerd Hoffmann switch (reg) { 3225f1ae32a1SGerd Hoffmann case 0x00: /* MFINDEX */ 322601546fa6SGerd Hoffmann ret = xhci_mfindex_get(xhci) & 0x3fff; 32272d754a10SGerd Hoffmann break; 3228f1ae32a1SGerd Hoffmann default: 32290ab966cfSGerd Hoffmann trace_usb_xhci_unimplemented("runtime read", reg); 323043d9d604SGerd Hoffmann break; 323143d9d604SGerd Hoffmann } 323243d9d604SGerd Hoffmann } else { 323343d9d604SGerd Hoffmann int v = (reg - 0x20) / 0x20; 323443d9d604SGerd Hoffmann XHCIInterrupter *intr = &xhci->intr[v]; 323543d9d604SGerd Hoffmann switch (reg & 0x1f) { 323643d9d604SGerd Hoffmann case 0x00: /* IMAN */ 323743d9d604SGerd Hoffmann ret = intr->iman; 323843d9d604SGerd Hoffmann break; 323943d9d604SGerd Hoffmann case 0x04: /* IMOD */ 324043d9d604SGerd Hoffmann ret = intr->imod; 324143d9d604SGerd Hoffmann break; 324243d9d604SGerd Hoffmann case 0x08: /* ERSTSZ */ 324343d9d604SGerd Hoffmann ret = intr->erstsz; 324443d9d604SGerd Hoffmann break; 324543d9d604SGerd Hoffmann case 0x10: /* ERSTBA low */ 324643d9d604SGerd Hoffmann ret = intr->erstba_low; 324743d9d604SGerd Hoffmann break; 324843d9d604SGerd Hoffmann case 0x14: /* ERSTBA high */ 324943d9d604SGerd Hoffmann ret = intr->erstba_high; 325043d9d604SGerd Hoffmann break; 325143d9d604SGerd Hoffmann case 0x18: /* ERDP low */ 325243d9d604SGerd Hoffmann ret = intr->erdp_low; 325343d9d604SGerd Hoffmann break; 325443d9d604SGerd Hoffmann case 0x1c: /* ERDP high */ 325543d9d604SGerd Hoffmann ret = intr->erdp_high; 325643d9d604SGerd Hoffmann break; 325743d9d604SGerd Hoffmann } 3258f1ae32a1SGerd Hoffmann } 32592d754a10SGerd Hoffmann 32602d754a10SGerd Hoffmann trace_usb_xhci_runtime_read(reg, ret); 32612d754a10SGerd Hoffmann return ret; 3262f1ae32a1SGerd Hoffmann } 3263f1ae32a1SGerd Hoffmann 3264a8170e5eSAvi Kivity static void xhci_runtime_write(void *ptr, hwaddr reg, 32651b067564SGerd Hoffmann uint64_t val, unsigned size) 3266f1ae32a1SGerd Hoffmann { 32671b067564SGerd Hoffmann XHCIState *xhci = ptr; 326843d9d604SGerd Hoffmann int v = (reg - 0x20) / 0x20; 326943d9d604SGerd Hoffmann XHCIInterrupter *intr = &xhci->intr[v]; 32708e9f18b6SGerd Hoffmann trace_usb_xhci_runtime_write(reg, val); 3271f1ae32a1SGerd Hoffmann 327243d9d604SGerd Hoffmann if (reg < 0x20) { 32730ab966cfSGerd Hoffmann trace_usb_xhci_unimplemented("runtime write", reg); 327443d9d604SGerd Hoffmann return; 327543d9d604SGerd Hoffmann } 327643d9d604SGerd Hoffmann 327743d9d604SGerd Hoffmann switch (reg & 0x1f) { 327843d9d604SGerd Hoffmann case 0x00: /* IMAN */ 3279f1ae32a1SGerd Hoffmann if (val & IMAN_IP) { 3280962d11e1SGerd Hoffmann intr->iman &= ~IMAN_IP; 3281f1ae32a1SGerd Hoffmann } 3282962d11e1SGerd Hoffmann intr->iman &= ~IMAN_IE; 3283962d11e1SGerd Hoffmann intr->iman |= val & IMAN_IE; 328443d9d604SGerd Hoffmann if (v == 0) { 32854c4abe7cSGerd Hoffmann xhci_intx_update(xhci); 328643d9d604SGerd Hoffmann } 328743d9d604SGerd Hoffmann xhci_msix_update(xhci, v); 3288f1ae32a1SGerd Hoffmann break; 328943d9d604SGerd Hoffmann case 0x04: /* IMOD */ 3290962d11e1SGerd Hoffmann intr->imod = val; 3291f1ae32a1SGerd Hoffmann break; 329243d9d604SGerd Hoffmann case 0x08: /* ERSTSZ */ 3293962d11e1SGerd Hoffmann intr->erstsz = val & 0xffff; 3294f1ae32a1SGerd Hoffmann break; 329543d9d604SGerd Hoffmann case 0x10: /* ERSTBA low */ 3296f1ae32a1SGerd Hoffmann /* XXX NEC driver bug: it doesn't align this to 64 bytes 3297962d11e1SGerd Hoffmann intr->erstba_low = val & 0xffffffc0; */ 3298962d11e1SGerd Hoffmann intr->erstba_low = val & 0xfffffff0; 3299f1ae32a1SGerd Hoffmann break; 330043d9d604SGerd Hoffmann case 0x14: /* ERSTBA high */ 3301962d11e1SGerd Hoffmann intr->erstba_high = val; 330243d9d604SGerd Hoffmann xhci_er_reset(xhci, v); 3303f1ae32a1SGerd Hoffmann break; 330443d9d604SGerd Hoffmann case 0x18: /* ERDP low */ 3305f1ae32a1SGerd Hoffmann if (val & ERDP_EHB) { 3306962d11e1SGerd Hoffmann intr->erdp_low &= ~ERDP_EHB; 3307f1ae32a1SGerd Hoffmann } 3308962d11e1SGerd Hoffmann intr->erdp_low = (val & ~ERDP_EHB) | (intr->erdp_low & ERDP_EHB); 3309f1ae32a1SGerd Hoffmann break; 331043d9d604SGerd Hoffmann case 0x1c: /* ERDP high */ 3311962d11e1SGerd Hoffmann intr->erdp_high = val; 331243d9d604SGerd Hoffmann xhci_events_update(xhci, v); 3313f1ae32a1SGerd Hoffmann break; 3314f1ae32a1SGerd Hoffmann default: 33150ab966cfSGerd Hoffmann trace_usb_xhci_unimplemented("oper write", reg); 3316f1ae32a1SGerd Hoffmann } 3317f1ae32a1SGerd Hoffmann } 3318f1ae32a1SGerd Hoffmann 3319a8170e5eSAvi Kivity static uint64_t xhci_doorbell_read(void *ptr, hwaddr reg, 33201b067564SGerd Hoffmann unsigned size) 3321f1ae32a1SGerd Hoffmann { 3322f1ae32a1SGerd Hoffmann /* doorbells always read as 0 */ 33232d754a10SGerd Hoffmann trace_usb_xhci_doorbell_read(reg, 0); 3324f1ae32a1SGerd Hoffmann return 0; 3325f1ae32a1SGerd Hoffmann } 3326f1ae32a1SGerd Hoffmann 3327a8170e5eSAvi Kivity static void xhci_doorbell_write(void *ptr, hwaddr reg, 33281b067564SGerd Hoffmann uint64_t val, unsigned size) 3329f1ae32a1SGerd Hoffmann { 33301b067564SGerd Hoffmann XHCIState *xhci = ptr; 3331024426acSGerd Hoffmann unsigned int epid, streamid; 33321b067564SGerd Hoffmann 33332d754a10SGerd Hoffmann trace_usb_xhci_doorbell_write(reg, val); 3334f1ae32a1SGerd Hoffmann 3335f1ae32a1SGerd Hoffmann if (!xhci_running(xhci)) { 3336d6bb65fcSGerd Hoffmann DPRINTF("xhci: wrote doorbell while xHC stopped or paused\n"); 3337f1ae32a1SGerd Hoffmann return; 3338f1ae32a1SGerd Hoffmann } 3339f1ae32a1SGerd Hoffmann 3340f1ae32a1SGerd Hoffmann reg >>= 2; 3341f1ae32a1SGerd Hoffmann 3342f1ae32a1SGerd Hoffmann if (reg == 0) { 3343f1ae32a1SGerd Hoffmann if (val == 0) { 3344f1ae32a1SGerd Hoffmann xhci_process_commands(xhci); 3345f1ae32a1SGerd Hoffmann } else { 3346d6bb65fcSGerd Hoffmann DPRINTF("xhci: bad doorbell 0 write: 0x%x\n", 33471b067564SGerd Hoffmann (uint32_t)val); 3348f1ae32a1SGerd Hoffmann } 3349f1ae32a1SGerd Hoffmann } else { 3350024426acSGerd Hoffmann epid = val & 0xff; 3351024426acSGerd Hoffmann streamid = (val >> 16) & 0xffff; 335291062ae0SGerd Hoffmann if (reg > xhci->numslots) { 3353d6bb65fcSGerd Hoffmann DPRINTF("xhci: bad doorbell %d\n", (int)reg); 3354024426acSGerd Hoffmann } else if (epid > 31) { 3355d6bb65fcSGerd Hoffmann DPRINTF("xhci: bad doorbell %d write: 0x%x\n", 33561b067564SGerd Hoffmann (int)reg, (uint32_t)val); 3357f1ae32a1SGerd Hoffmann } else { 3358024426acSGerd Hoffmann xhci_kick_ep(xhci, reg, epid, streamid); 3359f1ae32a1SGerd Hoffmann } 3360f1ae32a1SGerd Hoffmann } 3361f1ae32a1SGerd Hoffmann } 3362f1ae32a1SGerd Hoffmann 33636d3bc22eSGerd Hoffmann static void xhci_cap_write(void *opaque, hwaddr addr, uint64_t val, 33646d3bc22eSGerd Hoffmann unsigned width) 33656d3bc22eSGerd Hoffmann { 33666d3bc22eSGerd Hoffmann /* nothing */ 33676d3bc22eSGerd Hoffmann } 33686d3bc22eSGerd Hoffmann 33691b067564SGerd Hoffmann static const MemoryRegionOps xhci_cap_ops = { 33701b067564SGerd Hoffmann .read = xhci_cap_read, 33716d3bc22eSGerd Hoffmann .write = xhci_cap_write, 33726ee021d4SGerd Hoffmann .valid.min_access_size = 1, 33731b067564SGerd Hoffmann .valid.max_access_size = 4, 33746ee021d4SGerd Hoffmann .impl.min_access_size = 4, 33756ee021d4SGerd Hoffmann .impl.max_access_size = 4, 33761b067564SGerd Hoffmann .endianness = DEVICE_LITTLE_ENDIAN, 33771b067564SGerd Hoffmann }; 3378f1ae32a1SGerd Hoffmann 33791b067564SGerd Hoffmann static const MemoryRegionOps xhci_oper_ops = { 33801b067564SGerd Hoffmann .read = xhci_oper_read, 33811b067564SGerd Hoffmann .write = xhci_oper_write, 33821b067564SGerd Hoffmann .valid.min_access_size = 4, 33831b067564SGerd Hoffmann .valid.max_access_size = 4, 33841b067564SGerd Hoffmann .endianness = DEVICE_LITTLE_ENDIAN, 33851b067564SGerd Hoffmann }; 3386f1ae32a1SGerd Hoffmann 33871d8a4e69SGerd Hoffmann static const MemoryRegionOps xhci_port_ops = { 33881d8a4e69SGerd Hoffmann .read = xhci_port_read, 33891d8a4e69SGerd Hoffmann .write = xhci_port_write, 33901d8a4e69SGerd Hoffmann .valid.min_access_size = 4, 33911d8a4e69SGerd Hoffmann .valid.max_access_size = 4, 33921d8a4e69SGerd Hoffmann .endianness = DEVICE_LITTLE_ENDIAN, 33931d8a4e69SGerd Hoffmann }; 33941d8a4e69SGerd Hoffmann 33951b067564SGerd Hoffmann static const MemoryRegionOps xhci_runtime_ops = { 33961b067564SGerd Hoffmann .read = xhci_runtime_read, 33971b067564SGerd Hoffmann .write = xhci_runtime_write, 33981b067564SGerd Hoffmann .valid.min_access_size = 4, 33991b067564SGerd Hoffmann .valid.max_access_size = 4, 34001b067564SGerd Hoffmann .endianness = DEVICE_LITTLE_ENDIAN, 34011b067564SGerd Hoffmann }; 3402f1ae32a1SGerd Hoffmann 34031b067564SGerd Hoffmann static const MemoryRegionOps xhci_doorbell_ops = { 34041b067564SGerd Hoffmann .read = xhci_doorbell_read, 34051b067564SGerd Hoffmann .write = xhci_doorbell_write, 3406f1ae32a1SGerd Hoffmann .valid.min_access_size = 4, 3407f1ae32a1SGerd Hoffmann .valid.max_access_size = 4, 3408f1ae32a1SGerd Hoffmann .endianness = DEVICE_LITTLE_ENDIAN, 3409f1ae32a1SGerd Hoffmann }; 3410f1ae32a1SGerd Hoffmann 3411f1ae32a1SGerd Hoffmann static void xhci_attach(USBPort *usbport) 3412f1ae32a1SGerd Hoffmann { 3413f1ae32a1SGerd Hoffmann XHCIState *xhci = usbport->opaque; 34140846e635SGerd Hoffmann XHCIPort *port = xhci_lookup_port(xhci, usbport); 3415f1ae32a1SGerd Hoffmann 3416f3214027SGerd Hoffmann xhci_port_update(port, 0); 3417f1ae32a1SGerd Hoffmann } 3418f1ae32a1SGerd Hoffmann 3419f1ae32a1SGerd Hoffmann static void xhci_detach(USBPort *usbport) 3420f1ae32a1SGerd Hoffmann { 3421f1ae32a1SGerd Hoffmann XHCIState *xhci = usbport->opaque; 34220846e635SGerd Hoffmann XHCIPort *port = xhci_lookup_port(xhci, usbport); 3423f1ae32a1SGerd Hoffmann 3424f3dcf638SGerd Hoffmann xhci_detach_slot(xhci, usbport); 3425f3214027SGerd Hoffmann xhci_port_update(port, 1); 3426f1ae32a1SGerd Hoffmann } 3427f1ae32a1SGerd Hoffmann 3428f1ae32a1SGerd Hoffmann static void xhci_wakeup(USBPort *usbport) 3429f1ae32a1SGerd Hoffmann { 3430f1ae32a1SGerd Hoffmann XHCIState *xhci = usbport->opaque; 34310846e635SGerd Hoffmann XHCIPort *port = xhci_lookup_port(xhci, usbport); 3432f1ae32a1SGerd Hoffmann 343385e05d82SGerd Hoffmann if (get_field(port->portsc, PORTSC_PLS) != PLS_U3) { 3434f1ae32a1SGerd Hoffmann return; 3435f1ae32a1SGerd Hoffmann } 343685e05d82SGerd Hoffmann set_field(&port->portsc, PLS_RESUME, PORTSC_PLS); 3437f705a362SGerd Hoffmann xhci_port_notify(port, PORTSC_PLC); 3438f1ae32a1SGerd Hoffmann } 3439f1ae32a1SGerd Hoffmann 3440f1ae32a1SGerd Hoffmann static void xhci_complete(USBPort *port, USBPacket *packet) 3441f1ae32a1SGerd Hoffmann { 3442f1ae32a1SGerd Hoffmann XHCITransfer *xfer = container_of(packet, XHCITransfer, packet); 3443f1ae32a1SGerd Hoffmann 34449a77a0f5SHans de Goede if (packet->status == USB_RET_REMOVE_FROM_QUEUE) { 3445582d6f4aSHans de Goede xhci_ep_nuke_one_xfer(xfer, 0); 34460cae7b1aSHans de Goede return; 34470cae7b1aSHans de Goede } 34489a77a0f5SHans de Goede xhci_complete_packet(xfer); 3449024426acSGerd Hoffmann xhci_kick_ep(xfer->xhci, xfer->slotid, xfer->epid, xfer->streamid); 3450f1ae32a1SGerd Hoffmann } 3451f1ae32a1SGerd Hoffmann 3452ccaf87a0SGerd Hoffmann static void xhci_child_detach(USBPort *uport, USBDevice *child) 3453f1ae32a1SGerd Hoffmann { 3454ccaf87a0SGerd Hoffmann USBBus *bus = usb_bus_from_device(child); 3455ccaf87a0SGerd Hoffmann XHCIState *xhci = container_of(bus, XHCIState, bus); 3456ccaf87a0SGerd Hoffmann 3457463c534dSGerd Hoffmann xhci_detach_slot(xhci, child->port); 3458f1ae32a1SGerd Hoffmann } 3459f1ae32a1SGerd Hoffmann 34601d8a4e69SGerd Hoffmann static USBPortOps xhci_uport_ops = { 3461f1ae32a1SGerd Hoffmann .attach = xhci_attach, 3462f1ae32a1SGerd Hoffmann .detach = xhci_detach, 3463f1ae32a1SGerd Hoffmann .wakeup = xhci_wakeup, 3464f1ae32a1SGerd Hoffmann .complete = xhci_complete, 3465f1ae32a1SGerd Hoffmann .child_detach = xhci_child_detach, 3466f1ae32a1SGerd Hoffmann }; 3467f1ae32a1SGerd Hoffmann 3468f1ae32a1SGerd Hoffmann static int xhci_find_epid(USBEndpoint *ep) 3469f1ae32a1SGerd Hoffmann { 3470f1ae32a1SGerd Hoffmann if (ep->nr == 0) { 3471f1ae32a1SGerd Hoffmann return 1; 3472f1ae32a1SGerd Hoffmann } 3473f1ae32a1SGerd Hoffmann if (ep->pid == USB_TOKEN_IN) { 3474f1ae32a1SGerd Hoffmann return ep->nr * 2 + 1; 3475f1ae32a1SGerd Hoffmann } else { 3476f1ae32a1SGerd Hoffmann return ep->nr * 2; 3477f1ae32a1SGerd Hoffmann } 3478f1ae32a1SGerd Hoffmann } 3479f1ae32a1SGerd Hoffmann 3480518ad5f2SHans de Goede static USBEndpoint *xhci_epid_to_usbep(XHCIState *xhci, 3481518ad5f2SHans de Goede unsigned int slotid, unsigned int epid) 3482518ad5f2SHans de Goede { 3483518ad5f2SHans de Goede assert(slotid >= 1 && slotid <= xhci->numslots); 3484518ad5f2SHans de Goede 3485518ad5f2SHans de Goede if (!xhci->slots[slotid - 1].uport) { 3486518ad5f2SHans de Goede return NULL; 3487518ad5f2SHans de Goede } 3488518ad5f2SHans de Goede 3489518ad5f2SHans de Goede return usb_ep_get(xhci->slots[slotid - 1].uport->dev, 3490518ad5f2SHans de Goede (epid & 1) ? USB_TOKEN_IN : USB_TOKEN_OUT, epid >> 1); 3491518ad5f2SHans de Goede } 3492518ad5f2SHans de Goede 34938550a02dSGerd Hoffmann static void xhci_wakeup_endpoint(USBBus *bus, USBEndpoint *ep, 34948550a02dSGerd Hoffmann unsigned int stream) 3495f1ae32a1SGerd Hoffmann { 3496f1ae32a1SGerd Hoffmann XHCIState *xhci = container_of(bus, XHCIState, bus); 3497f1ae32a1SGerd Hoffmann int slotid; 3498f1ae32a1SGerd Hoffmann 3499f1ae32a1SGerd Hoffmann DPRINTF("%s\n", __func__); 3500af203be3SGerd Hoffmann slotid = ep->dev->addr; 3501f1ae32a1SGerd Hoffmann if (slotid == 0 || !xhci->slots[slotid-1].enabled) { 3502f1ae32a1SGerd Hoffmann DPRINTF("%s: oops, no slot for dev %d\n", __func__, ep->dev->addr); 3503f1ae32a1SGerd Hoffmann return; 3504f1ae32a1SGerd Hoffmann } 3505024426acSGerd Hoffmann xhci_kick_ep(xhci, slotid, xhci_find_epid(ep), stream); 3506f1ae32a1SGerd Hoffmann } 3507f1ae32a1SGerd Hoffmann 3508f1ae32a1SGerd Hoffmann static USBBusOps xhci_bus_ops = { 3509f1ae32a1SGerd Hoffmann .wakeup_endpoint = xhci_wakeup_endpoint, 3510f1ae32a1SGerd Hoffmann }; 3511f1ae32a1SGerd Hoffmann 351237034575SPeter Crosthwaite static void usb_xhci_init(XHCIState *xhci) 3513f1ae32a1SGerd Hoffmann { 351437034575SPeter Crosthwaite DeviceState *dev = DEVICE(xhci); 35150846e635SGerd Hoffmann XHCIPort *port; 35160846e635SGerd Hoffmann int i, usbports, speedmask; 3517f1ae32a1SGerd Hoffmann 3518f1ae32a1SGerd Hoffmann xhci->usbsts = USBSTS_HCH; 3519f1ae32a1SGerd Hoffmann 35200846e635SGerd Hoffmann if (xhci->numports_2 > MAXPORTS_2) { 35210846e635SGerd Hoffmann xhci->numports_2 = MAXPORTS_2; 35220846e635SGerd Hoffmann } 35230846e635SGerd Hoffmann if (xhci->numports_3 > MAXPORTS_3) { 35240846e635SGerd Hoffmann xhci->numports_3 = MAXPORTS_3; 35250846e635SGerd Hoffmann } 35260846e635SGerd Hoffmann usbports = MAX(xhci->numports_2, xhci->numports_3); 35270846e635SGerd Hoffmann xhci->numports = xhci->numports_2 + xhci->numports_3; 35280846e635SGerd Hoffmann 3529c889b3a5SAndreas Färber usb_bus_new(&xhci->bus, sizeof(xhci->bus), &xhci_bus_ops, dev); 3530f1ae32a1SGerd Hoffmann 35310846e635SGerd Hoffmann for (i = 0; i < usbports; i++) { 35320846e635SGerd Hoffmann speedmask = 0; 35330846e635SGerd Hoffmann if (i < xhci->numports_2) { 35347bafd888SGerd Hoffmann if (xhci_get_flag(xhci, XHCI_FLAG_SS_FIRST)) { 35357bafd888SGerd Hoffmann port = &xhci->ports[i + xhci->numports_3]; 35367bafd888SGerd Hoffmann port->portnr = i + 1 + xhci->numports_3; 35377bafd888SGerd Hoffmann } else { 35380846e635SGerd Hoffmann port = &xhci->ports[i]; 35390846e635SGerd Hoffmann port->portnr = i + 1; 35407bafd888SGerd Hoffmann } 35410846e635SGerd Hoffmann port->uport = &xhci->uports[i]; 35420846e635SGerd Hoffmann port->speedmask = 3543f1ae32a1SGerd Hoffmann USB_SPEED_MASK_LOW | 3544f1ae32a1SGerd Hoffmann USB_SPEED_MASK_FULL | 35450846e635SGerd Hoffmann USB_SPEED_MASK_HIGH; 35461d8a4e69SGerd Hoffmann snprintf(port->name, sizeof(port->name), "usb2 port #%d", i+1); 35470846e635SGerd Hoffmann speedmask |= port->speedmask; 3548f1ae32a1SGerd Hoffmann } 35490846e635SGerd Hoffmann if (i < xhci->numports_3) { 35507bafd888SGerd Hoffmann if (xhci_get_flag(xhci, XHCI_FLAG_SS_FIRST)) { 35517bafd888SGerd Hoffmann port = &xhci->ports[i]; 35527bafd888SGerd Hoffmann port->portnr = i + 1; 35537bafd888SGerd Hoffmann } else { 35540846e635SGerd Hoffmann port = &xhci->ports[i + xhci->numports_2]; 35550846e635SGerd Hoffmann port->portnr = i + 1 + xhci->numports_2; 35567bafd888SGerd Hoffmann } 35570846e635SGerd Hoffmann port->uport = &xhci->uports[i]; 35580846e635SGerd Hoffmann port->speedmask = USB_SPEED_MASK_SUPER; 35591d8a4e69SGerd Hoffmann snprintf(port->name, sizeof(port->name), "usb3 port #%d", i+1); 35600846e635SGerd Hoffmann speedmask |= port->speedmask; 35610846e635SGerd Hoffmann } 35620846e635SGerd Hoffmann usb_register_port(&xhci->bus, &xhci->uports[i], xhci, i, 35631d8a4e69SGerd Hoffmann &xhci_uport_ops, speedmask); 3564f1ae32a1SGerd Hoffmann } 3565f1ae32a1SGerd Hoffmann } 3566f1ae32a1SGerd Hoffmann 3567f1ae32a1SGerd Hoffmann static int usb_xhci_initfn(struct PCIDevice *dev) 3568f1ae32a1SGerd Hoffmann { 35691d8a4e69SGerd Hoffmann int i, ret; 3570f1ae32a1SGerd Hoffmann 357137034575SPeter Crosthwaite XHCIState *xhci = XHCI(dev); 3572f1ae32a1SGerd Hoffmann 35739b7d3334SAndreas Färber dev->config[PCI_CLASS_PROG] = 0x30; /* xHCI */ 35749b7d3334SAndreas Färber dev->config[PCI_INTERRUPT_PIN] = 0x01; /* interrupt pin 1 */ 35759b7d3334SAndreas Färber dev->config[PCI_CACHE_LINE_SIZE] = 0x10; 35769b7d3334SAndreas Färber dev->config[0x60] = 0x30; /* release number */ 3577f1ae32a1SGerd Hoffmann 357837034575SPeter Crosthwaite usb_xhci_init(xhci); 3579f1ae32a1SGerd Hoffmann 358091062ae0SGerd Hoffmann if (xhci->numintrs > MAXINTRS) { 358191062ae0SGerd Hoffmann xhci->numintrs = MAXINTRS; 358291062ae0SGerd Hoffmann } 3583c94a7c69SGerd Hoffmann while (xhci->numintrs & (xhci->numintrs - 1)) { /* ! power of 2 */ 3584c94a7c69SGerd Hoffmann xhci->numintrs++; 3585c94a7c69SGerd Hoffmann } 358691062ae0SGerd Hoffmann if (xhci->numintrs < 1) { 358791062ae0SGerd Hoffmann xhci->numintrs = 1; 358891062ae0SGerd Hoffmann } 358991062ae0SGerd Hoffmann if (xhci->numslots > MAXSLOTS) { 359091062ae0SGerd Hoffmann xhci->numslots = MAXSLOTS; 359191062ae0SGerd Hoffmann } 359291062ae0SGerd Hoffmann if (xhci->numslots < 1) { 359391062ae0SGerd Hoffmann xhci->numslots = 1; 359491062ae0SGerd Hoffmann } 3595*2aa6bfcbSGerd Hoffmann if (xhci_get_flag(xhci, XHCI_FLAG_ENABLE_STREAMS)) { 3596*2aa6bfcbSGerd Hoffmann xhci->max_pstreams_mask = 7; /* == 256 primary streams */ 3597*2aa6bfcbSGerd Hoffmann } else { 3598*2aa6bfcbSGerd Hoffmann xhci->max_pstreams_mask = 0; 3599*2aa6bfcbSGerd Hoffmann } 360091062ae0SGerd Hoffmann 3601bc72ad67SAlex Bligh xhci->mfwrap_timer = timer_new_ns(QEMU_CLOCK_VIRTUAL, xhci_mfwrap_timer, xhci); 360201546fa6SGerd Hoffmann 360322fc860bSPaolo Bonzini memory_region_init(&xhci->mem, OBJECT(xhci), "xhci", LEN_REGS); 360422fc860bSPaolo Bonzini memory_region_init_io(&xhci->mem_cap, OBJECT(xhci), &xhci_cap_ops, xhci, 36051b067564SGerd Hoffmann "capabilities", LEN_CAP); 360622fc860bSPaolo Bonzini memory_region_init_io(&xhci->mem_oper, OBJECT(xhci), &xhci_oper_ops, xhci, 36071d8a4e69SGerd Hoffmann "operational", 0x400); 360822fc860bSPaolo Bonzini memory_region_init_io(&xhci->mem_runtime, OBJECT(xhci), &xhci_runtime_ops, xhci, 36091b067564SGerd Hoffmann "runtime", LEN_RUNTIME); 361022fc860bSPaolo Bonzini memory_region_init_io(&xhci->mem_doorbell, OBJECT(xhci), &xhci_doorbell_ops, xhci, 36111b067564SGerd Hoffmann "doorbell", LEN_DOORBELL); 36121b067564SGerd Hoffmann 36131b067564SGerd Hoffmann memory_region_add_subregion(&xhci->mem, 0, &xhci->mem_cap); 36141b067564SGerd Hoffmann memory_region_add_subregion(&xhci->mem, OFF_OPER, &xhci->mem_oper); 36151b067564SGerd Hoffmann memory_region_add_subregion(&xhci->mem, OFF_RUNTIME, &xhci->mem_runtime); 36161b067564SGerd Hoffmann memory_region_add_subregion(&xhci->mem, OFF_DOORBELL, &xhci->mem_doorbell); 36171b067564SGerd Hoffmann 36181d8a4e69SGerd Hoffmann for (i = 0; i < xhci->numports; i++) { 36191d8a4e69SGerd Hoffmann XHCIPort *port = &xhci->ports[i]; 36201d8a4e69SGerd Hoffmann uint32_t offset = OFF_OPER + 0x400 + 0x10 * i; 36211d8a4e69SGerd Hoffmann port->xhci = xhci; 362222fc860bSPaolo Bonzini memory_region_init_io(&port->mem, OBJECT(xhci), &xhci_port_ops, port, 36231d8a4e69SGerd Hoffmann port->name, 0x10); 36241d8a4e69SGerd Hoffmann memory_region_add_subregion(&xhci->mem, offset, &port->mem); 36251d8a4e69SGerd Hoffmann } 36261d8a4e69SGerd Hoffmann 36279b7d3334SAndreas Färber pci_register_bar(dev, 0, 3628f1ae32a1SGerd Hoffmann PCI_BASE_ADDRESS_SPACE_MEMORY|PCI_BASE_ADDRESS_MEM_TYPE_64, 3629f1ae32a1SGerd Hoffmann &xhci->mem); 3630f1ae32a1SGerd Hoffmann 3631e6043e92SDr. David Alan Gilbert if (pci_bus_is_express(dev->bus) || 3632e6043e92SDr. David Alan Gilbert xhci_get_flag(xhci, XHCI_FLAG_FORCE_PCIE_ENDCAP)) { 36339b7d3334SAndreas Färber ret = pcie_endpoint_cap_init(dev, 0xa0); 3634f1ae32a1SGerd Hoffmann assert(ret >= 0); 3635058fdcf5SGerd Hoffmann } 3636f1ae32a1SGerd Hoffmann 3637f9955235SGerd Hoffmann if (xhci_get_flag(xhci, XHCI_FLAG_USE_MSI)) { 36389b7d3334SAndreas Färber msi_init(dev, 0x70, xhci->numintrs, true, false); 3639f1ae32a1SGerd Hoffmann } 3640f9955235SGerd Hoffmann if (xhci_get_flag(xhci, XHCI_FLAG_USE_MSI_X)) { 36419b7d3334SAndreas Färber msix_init(dev, xhci->numintrs, 36424c47f800SGerd Hoffmann &xhci->mem, 0, OFF_MSIX_TABLE, 36434c47f800SGerd Hoffmann &xhci->mem, 0, OFF_MSIX_PBA, 36444c47f800SGerd Hoffmann 0x90); 36454c47f800SGerd Hoffmann } 3646f1ae32a1SGerd Hoffmann 3647f1ae32a1SGerd Hoffmann return 0; 3648f1ae32a1SGerd Hoffmann } 3649f1ae32a1SGerd Hoffmann 365053c30545SGonglei static void usb_xhci_exit(PCIDevice *dev) 365153c30545SGonglei { 365253c30545SGonglei int i; 365353c30545SGonglei XHCIState *xhci = XHCI(dev); 365453c30545SGonglei 3655d733f74cSGonglei trace_usb_xhci_exit(); 3656d733f74cSGonglei 365753c30545SGonglei for (i = 0; i < xhci->numslots; i++) { 365853c30545SGonglei xhci_disable_slot(xhci, i + 1); 365953c30545SGonglei } 366053c30545SGonglei 366153c30545SGonglei if (xhci->mfwrap_timer) { 366253c30545SGonglei timer_del(xhci->mfwrap_timer); 366353c30545SGonglei timer_free(xhci->mfwrap_timer); 366453c30545SGonglei xhci->mfwrap_timer = NULL; 366553c30545SGonglei } 366653c30545SGonglei 366753c30545SGonglei memory_region_del_subregion(&xhci->mem, &xhci->mem_cap); 366853c30545SGonglei memory_region_del_subregion(&xhci->mem, &xhci->mem_oper); 366953c30545SGonglei memory_region_del_subregion(&xhci->mem, &xhci->mem_runtime); 367053c30545SGonglei memory_region_del_subregion(&xhci->mem, &xhci->mem_doorbell); 367153c30545SGonglei 367253c30545SGonglei for (i = 0; i < xhci->numports; i++) { 367353c30545SGonglei XHCIPort *port = &xhci->ports[i]; 367453c30545SGonglei memory_region_del_subregion(&xhci->mem, &port->mem); 367553c30545SGonglei } 367653c30545SGonglei 367753c30545SGonglei /* destroy msix memory region */ 367853c30545SGonglei if (dev->msix_table && dev->msix_pba 367953c30545SGonglei && dev->msix_entry_used) { 368053c30545SGonglei memory_region_del_subregion(&xhci->mem, &dev->msix_table_mmio); 368153c30545SGonglei memory_region_del_subregion(&xhci->mem, &dev->msix_pba_mmio); 368253c30545SGonglei } 368353c30545SGonglei 368453c30545SGonglei usb_bus_release(&xhci->bus); 368553c30545SGonglei } 368653c30545SGonglei 368737352df3SGerd Hoffmann static int usb_xhci_post_load(void *opaque, int version_id) 368837352df3SGerd Hoffmann { 368937352df3SGerd Hoffmann XHCIState *xhci = opaque; 36909b7d3334SAndreas Färber PCIDevice *pci_dev = PCI_DEVICE(xhci); 369137352df3SGerd Hoffmann XHCISlot *slot; 369237352df3SGerd Hoffmann XHCIEPContext *epctx; 369337352df3SGerd Hoffmann dma_addr_t dcbaap, pctx; 369437352df3SGerd Hoffmann uint32_t slot_ctx[4]; 369537352df3SGerd Hoffmann uint32_t ep_ctx[5]; 369637352df3SGerd Hoffmann int slotid, epid, state, intr; 369737352df3SGerd Hoffmann 369837352df3SGerd Hoffmann dcbaap = xhci_addr64(xhci->dcbaap_low, xhci->dcbaap_high); 369937352df3SGerd Hoffmann 370037352df3SGerd Hoffmann for (slotid = 1; slotid <= xhci->numslots; slotid++) { 370137352df3SGerd Hoffmann slot = &xhci->slots[slotid-1]; 370237352df3SGerd Hoffmann if (!slot->addressed) { 370337352df3SGerd Hoffmann continue; 370437352df3SGerd Hoffmann } 370537352df3SGerd Hoffmann slot->ctx = 37069b7d3334SAndreas Färber xhci_mask64(ldq_le_pci_dma(pci_dev, dcbaap + 8 * slotid)); 370737352df3SGerd Hoffmann xhci_dma_read_u32s(xhci, slot->ctx, slot_ctx, sizeof(slot_ctx)); 370837352df3SGerd Hoffmann slot->uport = xhci_lookup_uport(xhci, slot_ctx); 370937352df3SGerd Hoffmann assert(slot->uport && slot->uport->dev); 371037352df3SGerd Hoffmann 3711f6969b9fSGerd Hoffmann for (epid = 1; epid <= 31; epid++) { 371237352df3SGerd Hoffmann pctx = slot->ctx + 32 * epid; 371337352df3SGerd Hoffmann xhci_dma_read_u32s(xhci, pctx, ep_ctx, sizeof(ep_ctx)); 371437352df3SGerd Hoffmann state = ep_ctx[0] & EP_STATE_MASK; 371537352df3SGerd Hoffmann if (state == EP_DISABLED) { 371637352df3SGerd Hoffmann continue; 371737352df3SGerd Hoffmann } 371837352df3SGerd Hoffmann epctx = xhci_alloc_epctx(xhci, slotid, epid); 371937352df3SGerd Hoffmann slot->eps[epid-1] = epctx; 372037352df3SGerd Hoffmann xhci_init_epctx(epctx, pctx, ep_ctx); 372137352df3SGerd Hoffmann epctx->state = state; 372237352df3SGerd Hoffmann if (state == EP_RUNNING) { 372337352df3SGerd Hoffmann /* kick endpoint after vmload is finished */ 3724bc72ad67SAlex Bligh timer_mod(epctx->kick_timer, qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL)); 372537352df3SGerd Hoffmann } 372637352df3SGerd Hoffmann } 372737352df3SGerd Hoffmann } 372837352df3SGerd Hoffmann 372937352df3SGerd Hoffmann for (intr = 0; intr < xhci->numintrs; intr++) { 373037352df3SGerd Hoffmann if (xhci->intr[intr].msix_used) { 37319b7d3334SAndreas Färber msix_vector_use(pci_dev, intr); 373237352df3SGerd Hoffmann } else { 37339b7d3334SAndreas Färber msix_vector_unuse(pci_dev, intr); 373437352df3SGerd Hoffmann } 373537352df3SGerd Hoffmann } 373637352df3SGerd Hoffmann 373737352df3SGerd Hoffmann return 0; 373837352df3SGerd Hoffmann } 373937352df3SGerd Hoffmann 374037352df3SGerd Hoffmann static const VMStateDescription vmstate_xhci_ring = { 374137352df3SGerd Hoffmann .name = "xhci-ring", 374237352df3SGerd Hoffmann .version_id = 1, 374337352df3SGerd Hoffmann .fields = (VMStateField[]) { 374437352df3SGerd Hoffmann VMSTATE_UINT64(dequeue, XHCIRing), 374537352df3SGerd Hoffmann VMSTATE_BOOL(ccs, XHCIRing), 374637352df3SGerd Hoffmann VMSTATE_END_OF_LIST() 374737352df3SGerd Hoffmann } 374837352df3SGerd Hoffmann }; 374937352df3SGerd Hoffmann 375037352df3SGerd Hoffmann static const VMStateDescription vmstate_xhci_port = { 375137352df3SGerd Hoffmann .name = "xhci-port", 375237352df3SGerd Hoffmann .version_id = 1, 375337352df3SGerd Hoffmann .fields = (VMStateField[]) { 375437352df3SGerd Hoffmann VMSTATE_UINT32(portsc, XHCIPort), 375537352df3SGerd Hoffmann VMSTATE_END_OF_LIST() 375637352df3SGerd Hoffmann } 375737352df3SGerd Hoffmann }; 375837352df3SGerd Hoffmann 375937352df3SGerd Hoffmann static const VMStateDescription vmstate_xhci_slot = { 376037352df3SGerd Hoffmann .name = "xhci-slot", 376137352df3SGerd Hoffmann .version_id = 1, 376237352df3SGerd Hoffmann .fields = (VMStateField[]) { 376337352df3SGerd Hoffmann VMSTATE_BOOL(enabled, XHCISlot), 376437352df3SGerd Hoffmann VMSTATE_BOOL(addressed, XHCISlot), 376537352df3SGerd Hoffmann VMSTATE_END_OF_LIST() 376637352df3SGerd Hoffmann } 376737352df3SGerd Hoffmann }; 376837352df3SGerd Hoffmann 376937352df3SGerd Hoffmann static const VMStateDescription vmstate_xhci_event = { 377037352df3SGerd Hoffmann .name = "xhci-event", 377137352df3SGerd Hoffmann .version_id = 1, 377237352df3SGerd Hoffmann .fields = (VMStateField[]) { 377337352df3SGerd Hoffmann VMSTATE_UINT32(type, XHCIEvent), 377437352df3SGerd Hoffmann VMSTATE_UINT32(ccode, XHCIEvent), 377537352df3SGerd Hoffmann VMSTATE_UINT64(ptr, XHCIEvent), 377637352df3SGerd Hoffmann VMSTATE_UINT32(length, XHCIEvent), 377737352df3SGerd Hoffmann VMSTATE_UINT32(flags, XHCIEvent), 377837352df3SGerd Hoffmann VMSTATE_UINT8(slotid, XHCIEvent), 377937352df3SGerd Hoffmann VMSTATE_UINT8(epid, XHCIEvent), 37803afca1d6SLaszlo Ersek VMSTATE_END_OF_LIST() 378137352df3SGerd Hoffmann } 378237352df3SGerd Hoffmann }; 378337352df3SGerd Hoffmann 378437352df3SGerd Hoffmann static bool xhci_er_full(void *opaque, int version_id) 378537352df3SGerd Hoffmann { 378637352df3SGerd Hoffmann struct XHCIInterrupter *intr = opaque; 378737352df3SGerd Hoffmann return intr->er_full; 378837352df3SGerd Hoffmann } 378937352df3SGerd Hoffmann 379037352df3SGerd Hoffmann static const VMStateDescription vmstate_xhci_intr = { 379137352df3SGerd Hoffmann .name = "xhci-intr", 379237352df3SGerd Hoffmann .version_id = 1, 379337352df3SGerd Hoffmann .fields = (VMStateField[]) { 379437352df3SGerd Hoffmann /* registers */ 379537352df3SGerd Hoffmann VMSTATE_UINT32(iman, XHCIInterrupter), 379637352df3SGerd Hoffmann VMSTATE_UINT32(imod, XHCIInterrupter), 379737352df3SGerd Hoffmann VMSTATE_UINT32(erstsz, XHCIInterrupter), 379837352df3SGerd Hoffmann VMSTATE_UINT32(erstba_low, XHCIInterrupter), 379937352df3SGerd Hoffmann VMSTATE_UINT32(erstba_high, XHCIInterrupter), 380037352df3SGerd Hoffmann VMSTATE_UINT32(erdp_low, XHCIInterrupter), 380137352df3SGerd Hoffmann VMSTATE_UINT32(erdp_high, XHCIInterrupter), 380237352df3SGerd Hoffmann 380337352df3SGerd Hoffmann /* state */ 380437352df3SGerd Hoffmann VMSTATE_BOOL(msix_used, XHCIInterrupter), 380537352df3SGerd Hoffmann VMSTATE_BOOL(er_pcs, XHCIInterrupter), 380637352df3SGerd Hoffmann VMSTATE_UINT64(er_start, XHCIInterrupter), 380737352df3SGerd Hoffmann VMSTATE_UINT32(er_size, XHCIInterrupter), 380837352df3SGerd Hoffmann VMSTATE_UINT32(er_ep_idx, XHCIInterrupter), 380937352df3SGerd Hoffmann 381037352df3SGerd Hoffmann /* event queue (used if ring is full) */ 381137352df3SGerd Hoffmann VMSTATE_BOOL(er_full, XHCIInterrupter), 381237352df3SGerd Hoffmann VMSTATE_UINT32_TEST(ev_buffer_put, XHCIInterrupter, xhci_er_full), 381337352df3SGerd Hoffmann VMSTATE_UINT32_TEST(ev_buffer_get, XHCIInterrupter, xhci_er_full), 381437352df3SGerd Hoffmann VMSTATE_STRUCT_ARRAY_TEST(ev_buffer, XHCIInterrupter, EV_QUEUE, 381537352df3SGerd Hoffmann xhci_er_full, 1, 381637352df3SGerd Hoffmann vmstate_xhci_event, XHCIEvent), 381737352df3SGerd Hoffmann 381837352df3SGerd Hoffmann VMSTATE_END_OF_LIST() 381937352df3SGerd Hoffmann } 382037352df3SGerd Hoffmann }; 382137352df3SGerd Hoffmann 3822f1ae32a1SGerd Hoffmann static const VMStateDescription vmstate_xhci = { 3823f1ae32a1SGerd Hoffmann .name = "xhci", 382437352df3SGerd Hoffmann .version_id = 1, 382537352df3SGerd Hoffmann .post_load = usb_xhci_post_load, 382637352df3SGerd Hoffmann .fields = (VMStateField[]) { 38279b7d3334SAndreas Färber VMSTATE_PCIE_DEVICE(parent_obj, XHCIState), 38289b7d3334SAndreas Färber VMSTATE_MSIX(parent_obj, XHCIState), 382937352df3SGerd Hoffmann 383037352df3SGerd Hoffmann VMSTATE_STRUCT_VARRAY_UINT32(ports, XHCIState, numports, 1, 383137352df3SGerd Hoffmann vmstate_xhci_port, XHCIPort), 383237352df3SGerd Hoffmann VMSTATE_STRUCT_VARRAY_UINT32(slots, XHCIState, numslots, 1, 383337352df3SGerd Hoffmann vmstate_xhci_slot, XHCISlot), 383437352df3SGerd Hoffmann VMSTATE_STRUCT_VARRAY_UINT32(intr, XHCIState, numintrs, 1, 383537352df3SGerd Hoffmann vmstate_xhci_intr, XHCIInterrupter), 383637352df3SGerd Hoffmann 383737352df3SGerd Hoffmann /* Operational Registers */ 383837352df3SGerd Hoffmann VMSTATE_UINT32(usbcmd, XHCIState), 383937352df3SGerd Hoffmann VMSTATE_UINT32(usbsts, XHCIState), 384037352df3SGerd Hoffmann VMSTATE_UINT32(dnctrl, XHCIState), 384137352df3SGerd Hoffmann VMSTATE_UINT32(crcr_low, XHCIState), 384237352df3SGerd Hoffmann VMSTATE_UINT32(crcr_high, XHCIState), 384337352df3SGerd Hoffmann VMSTATE_UINT32(dcbaap_low, XHCIState), 384437352df3SGerd Hoffmann VMSTATE_UINT32(dcbaap_high, XHCIState), 384537352df3SGerd Hoffmann VMSTATE_UINT32(config, XHCIState), 384637352df3SGerd Hoffmann 384737352df3SGerd Hoffmann /* Runtime Registers & state */ 384837352df3SGerd Hoffmann VMSTATE_INT64(mfindex_start, XHCIState), 384937352df3SGerd Hoffmann VMSTATE_TIMER(mfwrap_timer, XHCIState), 385037352df3SGerd Hoffmann VMSTATE_STRUCT(cmd_ring, XHCIState, 1, vmstate_xhci_ring, XHCIRing), 385137352df3SGerd Hoffmann 385237352df3SGerd Hoffmann VMSTATE_END_OF_LIST() 385337352df3SGerd Hoffmann } 3854f1ae32a1SGerd Hoffmann }; 3855f1ae32a1SGerd Hoffmann 3856f1ae32a1SGerd Hoffmann static Property xhci_properties[] = { 3857c5e9b02dSGerd Hoffmann DEFINE_PROP_BIT("msi", XHCIState, flags, XHCI_FLAG_USE_MSI, true), 38584c47f800SGerd Hoffmann DEFINE_PROP_BIT("msix", XHCIState, flags, XHCI_FLAG_USE_MSI_X, true), 38597bafd888SGerd Hoffmann DEFINE_PROP_BIT("superspeed-ports-first", 38607bafd888SGerd Hoffmann XHCIState, flags, XHCI_FLAG_SS_FIRST, true), 3861e6043e92SDr. David Alan Gilbert DEFINE_PROP_BIT("force-pcie-endcap", XHCIState, flags, 3862e6043e92SDr. David Alan Gilbert XHCI_FLAG_FORCE_PCIE_ENDCAP, false), 3863*2aa6bfcbSGerd Hoffmann DEFINE_PROP_BIT("streams", XHCIState, flags, 3864*2aa6bfcbSGerd Hoffmann XHCI_FLAG_ENABLE_STREAMS, true), 386591062ae0SGerd Hoffmann DEFINE_PROP_UINT32("intrs", XHCIState, numintrs, MAXINTRS), 386691062ae0SGerd Hoffmann DEFINE_PROP_UINT32("slots", XHCIState, numslots, MAXSLOTS), 38670846e635SGerd Hoffmann DEFINE_PROP_UINT32("p2", XHCIState, numports_2, 4), 38680846e635SGerd Hoffmann DEFINE_PROP_UINT32("p3", XHCIState, numports_3, 4), 3869f1ae32a1SGerd Hoffmann DEFINE_PROP_END_OF_LIST(), 3870f1ae32a1SGerd Hoffmann }; 3871f1ae32a1SGerd Hoffmann 3872f1ae32a1SGerd Hoffmann static void xhci_class_init(ObjectClass *klass, void *data) 3873f1ae32a1SGerd Hoffmann { 3874f1ae32a1SGerd Hoffmann PCIDeviceClass *k = PCI_DEVICE_CLASS(klass); 3875f1ae32a1SGerd Hoffmann DeviceClass *dc = DEVICE_CLASS(klass); 3876f1ae32a1SGerd Hoffmann 3877f1ae32a1SGerd Hoffmann dc->vmsd = &vmstate_xhci; 3878f1ae32a1SGerd Hoffmann dc->props = xhci_properties; 387964619739SJan Kiszka dc->reset = xhci_reset; 3880125ee0edSMarcel Apfelbaum set_bit(DEVICE_CATEGORY_USB, dc->categories); 3881f1ae32a1SGerd Hoffmann k->init = usb_xhci_initfn; 388253c30545SGonglei k->exit = usb_xhci_exit; 3883f1ae32a1SGerd Hoffmann k->vendor_id = PCI_VENDOR_ID_NEC; 3884f1ae32a1SGerd Hoffmann k->device_id = PCI_DEVICE_ID_NEC_UPD720200; 3885f1ae32a1SGerd Hoffmann k->class_id = PCI_CLASS_SERIAL_USB; 3886f1ae32a1SGerd Hoffmann k->revision = 0x03; 3887f1ae32a1SGerd Hoffmann k->is_express = 1; 3888f1ae32a1SGerd Hoffmann } 3889f1ae32a1SGerd Hoffmann 38908c43a6f0SAndreas Färber static const TypeInfo xhci_info = { 389137034575SPeter Crosthwaite .name = TYPE_XHCI, 3892f1ae32a1SGerd Hoffmann .parent = TYPE_PCI_DEVICE, 3893f1ae32a1SGerd Hoffmann .instance_size = sizeof(XHCIState), 3894f1ae32a1SGerd Hoffmann .class_init = xhci_class_init, 3895f1ae32a1SGerd Hoffmann }; 3896f1ae32a1SGerd Hoffmann 3897f1ae32a1SGerd Hoffmann static void xhci_register_types(void) 3898f1ae32a1SGerd Hoffmann { 3899f1ae32a1SGerd Hoffmann type_register_static(&xhci_info); 3900f1ae32a1SGerd Hoffmann } 3901f1ae32a1SGerd Hoffmann 3902f1ae32a1SGerd Hoffmann type_init(xhci_register_types) 3903