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; 4620846e635SGerd Hoffmann 463f1ae32a1SGerd Hoffmann /* Operational Registers */ 464f1ae32a1SGerd Hoffmann uint32_t usbcmd; 465f1ae32a1SGerd Hoffmann uint32_t usbsts; 466f1ae32a1SGerd Hoffmann uint32_t dnctrl; 467f1ae32a1SGerd Hoffmann uint32_t crcr_low; 468f1ae32a1SGerd Hoffmann uint32_t crcr_high; 469f1ae32a1SGerd Hoffmann uint32_t dcbaap_low; 470f1ae32a1SGerd Hoffmann uint32_t dcbaap_high; 471f1ae32a1SGerd Hoffmann uint32_t config; 472f1ae32a1SGerd Hoffmann 4730846e635SGerd Hoffmann USBPort uports[MAX(MAXPORTS_2, MAXPORTS_3)]; 474f1ae32a1SGerd Hoffmann XHCIPort ports[MAXPORTS]; 475f1ae32a1SGerd Hoffmann XHCISlot slots[MAXSLOTS]; 4760846e635SGerd Hoffmann uint32_t numports; 477f1ae32a1SGerd Hoffmann 478f1ae32a1SGerd Hoffmann /* Runtime Registers */ 47901546fa6SGerd Hoffmann int64_t mfindex_start; 48001546fa6SGerd Hoffmann QEMUTimer *mfwrap_timer; 481962d11e1SGerd Hoffmann XHCIInterrupter intr[MAXINTRS]; 482f1ae32a1SGerd Hoffmann 483f1ae32a1SGerd Hoffmann XHCIRing cmd_ring; 484f1ae32a1SGerd Hoffmann }; 485f1ae32a1SGerd Hoffmann 48637034575SPeter Crosthwaite #define TYPE_XHCI "nec-usb-xhci" 48737034575SPeter Crosthwaite 48837034575SPeter Crosthwaite #define XHCI(obj) \ 48937034575SPeter Crosthwaite OBJECT_CHECK(XHCIState, (obj), TYPE_XHCI) 49037034575SPeter Crosthwaite 491f1ae32a1SGerd Hoffmann typedef struct XHCIEvRingSeg { 492f1ae32a1SGerd Hoffmann uint32_t addr_low; 493f1ae32a1SGerd Hoffmann uint32_t addr_high; 494f1ae32a1SGerd Hoffmann uint32_t size; 495f1ae32a1SGerd Hoffmann uint32_t rsvd; 496f1ae32a1SGerd Hoffmann } XHCIEvRingSeg; 497f1ae32a1SGerd Hoffmann 498c5e9b02dSGerd Hoffmann enum xhci_flags { 499c5e9b02dSGerd Hoffmann XHCI_FLAG_USE_MSI = 1, 5004c47f800SGerd Hoffmann XHCI_FLAG_USE_MSI_X, 5017bafd888SGerd Hoffmann XHCI_FLAG_SS_FIRST, 502c5e9b02dSGerd Hoffmann }; 503c5e9b02dSGerd Hoffmann 50401546fa6SGerd Hoffmann static void xhci_kick_ep(XHCIState *xhci, unsigned int slotid, 505024426acSGerd Hoffmann unsigned int epid, unsigned int streamid); 5060bc85da6SGerd Hoffmann static TRBCCode xhci_disable_ep(XHCIState *xhci, unsigned int slotid, 5070bc85da6SGerd Hoffmann unsigned int epid); 508582d6f4aSHans de Goede static void xhci_xfer_report(XHCITransfer *xfer); 509962d11e1SGerd Hoffmann static void xhci_event(XHCIState *xhci, XHCIEvent *event, int v); 510962d11e1SGerd Hoffmann static void xhci_write_event(XHCIState *xhci, XHCIEvent *event, int v); 511518ad5f2SHans de Goede static USBEndpoint *xhci_epid_to_usbep(XHCIState *xhci, 512518ad5f2SHans de Goede unsigned int slotid, unsigned int epid); 51301546fa6SGerd Hoffmann 514f1ae32a1SGerd Hoffmann static const char *TRBType_names[] = { 515f1ae32a1SGerd Hoffmann [TRB_RESERVED] = "TRB_RESERVED", 516f1ae32a1SGerd Hoffmann [TR_NORMAL] = "TR_NORMAL", 517f1ae32a1SGerd Hoffmann [TR_SETUP] = "TR_SETUP", 518f1ae32a1SGerd Hoffmann [TR_DATA] = "TR_DATA", 519f1ae32a1SGerd Hoffmann [TR_STATUS] = "TR_STATUS", 520f1ae32a1SGerd Hoffmann [TR_ISOCH] = "TR_ISOCH", 521f1ae32a1SGerd Hoffmann [TR_LINK] = "TR_LINK", 522f1ae32a1SGerd Hoffmann [TR_EVDATA] = "TR_EVDATA", 523f1ae32a1SGerd Hoffmann [TR_NOOP] = "TR_NOOP", 524f1ae32a1SGerd Hoffmann [CR_ENABLE_SLOT] = "CR_ENABLE_SLOT", 525f1ae32a1SGerd Hoffmann [CR_DISABLE_SLOT] = "CR_DISABLE_SLOT", 526f1ae32a1SGerd Hoffmann [CR_ADDRESS_DEVICE] = "CR_ADDRESS_DEVICE", 527f1ae32a1SGerd Hoffmann [CR_CONFIGURE_ENDPOINT] = "CR_CONFIGURE_ENDPOINT", 528f1ae32a1SGerd Hoffmann [CR_EVALUATE_CONTEXT] = "CR_EVALUATE_CONTEXT", 529f1ae32a1SGerd Hoffmann [CR_RESET_ENDPOINT] = "CR_RESET_ENDPOINT", 530f1ae32a1SGerd Hoffmann [CR_STOP_ENDPOINT] = "CR_STOP_ENDPOINT", 531f1ae32a1SGerd Hoffmann [CR_SET_TR_DEQUEUE] = "CR_SET_TR_DEQUEUE", 532f1ae32a1SGerd Hoffmann [CR_RESET_DEVICE] = "CR_RESET_DEVICE", 533f1ae32a1SGerd Hoffmann [CR_FORCE_EVENT] = "CR_FORCE_EVENT", 534f1ae32a1SGerd Hoffmann [CR_NEGOTIATE_BW] = "CR_NEGOTIATE_BW", 535f1ae32a1SGerd Hoffmann [CR_SET_LATENCY_TOLERANCE] = "CR_SET_LATENCY_TOLERANCE", 536f1ae32a1SGerd Hoffmann [CR_GET_PORT_BANDWIDTH] = "CR_GET_PORT_BANDWIDTH", 537f1ae32a1SGerd Hoffmann [CR_FORCE_HEADER] = "CR_FORCE_HEADER", 538f1ae32a1SGerd Hoffmann [CR_NOOP] = "CR_NOOP", 539f1ae32a1SGerd Hoffmann [ER_TRANSFER] = "ER_TRANSFER", 540f1ae32a1SGerd Hoffmann [ER_COMMAND_COMPLETE] = "ER_COMMAND_COMPLETE", 541f1ae32a1SGerd Hoffmann [ER_PORT_STATUS_CHANGE] = "ER_PORT_STATUS_CHANGE", 542f1ae32a1SGerd Hoffmann [ER_BANDWIDTH_REQUEST] = "ER_BANDWIDTH_REQUEST", 543f1ae32a1SGerd Hoffmann [ER_DOORBELL] = "ER_DOORBELL", 544f1ae32a1SGerd Hoffmann [ER_HOST_CONTROLLER] = "ER_HOST_CONTROLLER", 545f1ae32a1SGerd Hoffmann [ER_DEVICE_NOTIFICATION] = "ER_DEVICE_NOTIFICATION", 546f1ae32a1SGerd Hoffmann [ER_MFINDEX_WRAP] = "ER_MFINDEX_WRAP", 547f1ae32a1SGerd Hoffmann [CR_VENDOR_VIA_CHALLENGE_RESPONSE] = "CR_VENDOR_VIA_CHALLENGE_RESPONSE", 548f1ae32a1SGerd Hoffmann [CR_VENDOR_NEC_FIRMWARE_REVISION] = "CR_VENDOR_NEC_FIRMWARE_REVISION", 549f1ae32a1SGerd Hoffmann [CR_VENDOR_NEC_CHALLENGE_RESPONSE] = "CR_VENDOR_NEC_CHALLENGE_RESPONSE", 550f1ae32a1SGerd Hoffmann }; 551f1ae32a1SGerd Hoffmann 552873123feSGerd Hoffmann static const char *TRBCCode_names[] = { 553873123feSGerd Hoffmann [CC_INVALID] = "CC_INVALID", 554873123feSGerd Hoffmann [CC_SUCCESS] = "CC_SUCCESS", 555873123feSGerd Hoffmann [CC_DATA_BUFFER_ERROR] = "CC_DATA_BUFFER_ERROR", 556873123feSGerd Hoffmann [CC_BABBLE_DETECTED] = "CC_BABBLE_DETECTED", 557873123feSGerd Hoffmann [CC_USB_TRANSACTION_ERROR] = "CC_USB_TRANSACTION_ERROR", 558873123feSGerd Hoffmann [CC_TRB_ERROR] = "CC_TRB_ERROR", 559873123feSGerd Hoffmann [CC_STALL_ERROR] = "CC_STALL_ERROR", 560873123feSGerd Hoffmann [CC_RESOURCE_ERROR] = "CC_RESOURCE_ERROR", 561873123feSGerd Hoffmann [CC_BANDWIDTH_ERROR] = "CC_BANDWIDTH_ERROR", 562873123feSGerd Hoffmann [CC_NO_SLOTS_ERROR] = "CC_NO_SLOTS_ERROR", 563873123feSGerd Hoffmann [CC_INVALID_STREAM_TYPE_ERROR] = "CC_INVALID_STREAM_TYPE_ERROR", 564873123feSGerd Hoffmann [CC_SLOT_NOT_ENABLED_ERROR] = "CC_SLOT_NOT_ENABLED_ERROR", 565873123feSGerd Hoffmann [CC_EP_NOT_ENABLED_ERROR] = "CC_EP_NOT_ENABLED_ERROR", 566873123feSGerd Hoffmann [CC_SHORT_PACKET] = "CC_SHORT_PACKET", 567873123feSGerd Hoffmann [CC_RING_UNDERRUN] = "CC_RING_UNDERRUN", 568873123feSGerd Hoffmann [CC_RING_OVERRUN] = "CC_RING_OVERRUN", 569873123feSGerd Hoffmann [CC_VF_ER_FULL] = "CC_VF_ER_FULL", 570873123feSGerd Hoffmann [CC_PARAMETER_ERROR] = "CC_PARAMETER_ERROR", 571873123feSGerd Hoffmann [CC_BANDWIDTH_OVERRUN] = "CC_BANDWIDTH_OVERRUN", 572873123feSGerd Hoffmann [CC_CONTEXT_STATE_ERROR] = "CC_CONTEXT_STATE_ERROR", 573873123feSGerd Hoffmann [CC_NO_PING_RESPONSE_ERROR] = "CC_NO_PING_RESPONSE_ERROR", 574873123feSGerd Hoffmann [CC_EVENT_RING_FULL_ERROR] = "CC_EVENT_RING_FULL_ERROR", 575873123feSGerd Hoffmann [CC_INCOMPATIBLE_DEVICE_ERROR] = "CC_INCOMPATIBLE_DEVICE_ERROR", 576873123feSGerd Hoffmann [CC_MISSED_SERVICE_ERROR] = "CC_MISSED_SERVICE_ERROR", 577873123feSGerd Hoffmann [CC_COMMAND_RING_STOPPED] = "CC_COMMAND_RING_STOPPED", 578873123feSGerd Hoffmann [CC_COMMAND_ABORTED] = "CC_COMMAND_ABORTED", 579873123feSGerd Hoffmann [CC_STOPPED] = "CC_STOPPED", 580873123feSGerd Hoffmann [CC_STOPPED_LENGTH_INVALID] = "CC_STOPPED_LENGTH_INVALID", 581873123feSGerd Hoffmann [CC_MAX_EXIT_LATENCY_TOO_LARGE_ERROR] 582873123feSGerd Hoffmann = "CC_MAX_EXIT_LATENCY_TOO_LARGE_ERROR", 583873123feSGerd Hoffmann [CC_ISOCH_BUFFER_OVERRUN] = "CC_ISOCH_BUFFER_OVERRUN", 584873123feSGerd Hoffmann [CC_EVENT_LOST_ERROR] = "CC_EVENT_LOST_ERROR", 585873123feSGerd Hoffmann [CC_UNDEFINED_ERROR] = "CC_UNDEFINED_ERROR", 586873123feSGerd Hoffmann [CC_INVALID_STREAM_ID_ERROR] = "CC_INVALID_STREAM_ID_ERROR", 587873123feSGerd Hoffmann [CC_SECONDARY_BANDWIDTH_ERROR] = "CC_SECONDARY_BANDWIDTH_ERROR", 588873123feSGerd Hoffmann [CC_SPLIT_TRANSACTION_ERROR] = "CC_SPLIT_TRANSACTION_ERROR", 589873123feSGerd Hoffmann }; 590873123feSGerd Hoffmann 5911c82392aSGerd Hoffmann static const char *ep_state_names[] = { 5921c82392aSGerd Hoffmann [EP_DISABLED] = "disabled", 5931c82392aSGerd Hoffmann [EP_RUNNING] = "running", 5941c82392aSGerd Hoffmann [EP_HALTED] = "halted", 5951c82392aSGerd Hoffmann [EP_STOPPED] = "stopped", 5961c82392aSGerd Hoffmann [EP_ERROR] = "error", 5971c82392aSGerd Hoffmann }; 5981c82392aSGerd Hoffmann 599f1ae32a1SGerd Hoffmann static const char *lookup_name(uint32_t index, const char **list, uint32_t llen) 600f1ae32a1SGerd Hoffmann { 601f1ae32a1SGerd Hoffmann if (index >= llen || list[index] == NULL) { 602f1ae32a1SGerd Hoffmann return "???"; 603f1ae32a1SGerd Hoffmann } 604f1ae32a1SGerd Hoffmann return list[index]; 605f1ae32a1SGerd Hoffmann } 606f1ae32a1SGerd Hoffmann 607f1ae32a1SGerd Hoffmann static const char *trb_name(XHCITRB *trb) 608f1ae32a1SGerd Hoffmann { 609f1ae32a1SGerd Hoffmann return lookup_name(TRB_TYPE(*trb), TRBType_names, 610f1ae32a1SGerd Hoffmann ARRAY_SIZE(TRBType_names)); 611f1ae32a1SGerd Hoffmann } 612f1ae32a1SGerd Hoffmann 613873123feSGerd Hoffmann static const char *event_name(XHCIEvent *event) 614873123feSGerd Hoffmann { 615873123feSGerd Hoffmann return lookup_name(event->ccode, TRBCCode_names, 616873123feSGerd Hoffmann ARRAY_SIZE(TRBCCode_names)); 617873123feSGerd Hoffmann } 618873123feSGerd Hoffmann 6191c82392aSGerd Hoffmann static const char *ep_state_name(uint32_t state) 6201c82392aSGerd Hoffmann { 6211c82392aSGerd Hoffmann return lookup_name(state, ep_state_names, 6221c82392aSGerd Hoffmann ARRAY_SIZE(ep_state_names)); 6231c82392aSGerd Hoffmann } 6241c82392aSGerd Hoffmann 625f9955235SGerd Hoffmann static bool xhci_get_flag(XHCIState *xhci, enum xhci_flags bit) 626f9955235SGerd Hoffmann { 627f9955235SGerd Hoffmann return xhci->flags & (1 << bit); 628f9955235SGerd Hoffmann } 629f9955235SGerd Hoffmann 63001546fa6SGerd Hoffmann static uint64_t xhci_mfindex_get(XHCIState *xhci) 63101546fa6SGerd Hoffmann { 632bc72ad67SAlex Bligh int64_t now = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL); 63301546fa6SGerd Hoffmann return (now - xhci->mfindex_start) / 125000; 63401546fa6SGerd Hoffmann } 63501546fa6SGerd Hoffmann 63601546fa6SGerd Hoffmann static void xhci_mfwrap_update(XHCIState *xhci) 63701546fa6SGerd Hoffmann { 63801546fa6SGerd Hoffmann const uint32_t bits = USBCMD_RS | USBCMD_EWE; 63901546fa6SGerd Hoffmann uint32_t mfindex, left; 64001546fa6SGerd Hoffmann int64_t now; 64101546fa6SGerd Hoffmann 64201546fa6SGerd Hoffmann if ((xhci->usbcmd & bits) == bits) { 643bc72ad67SAlex Bligh now = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL); 64401546fa6SGerd Hoffmann mfindex = ((now - xhci->mfindex_start) / 125000) & 0x3fff; 64501546fa6SGerd Hoffmann left = 0x4000 - mfindex; 646bc72ad67SAlex Bligh timer_mod(xhci->mfwrap_timer, now + left * 125000); 64701546fa6SGerd Hoffmann } else { 648bc72ad67SAlex Bligh timer_del(xhci->mfwrap_timer); 64901546fa6SGerd Hoffmann } 65001546fa6SGerd Hoffmann } 65101546fa6SGerd Hoffmann 65201546fa6SGerd Hoffmann static void xhci_mfwrap_timer(void *opaque) 65301546fa6SGerd Hoffmann { 65401546fa6SGerd Hoffmann XHCIState *xhci = opaque; 65501546fa6SGerd Hoffmann XHCIEvent wrap = { ER_MFINDEX_WRAP, CC_SUCCESS }; 65601546fa6SGerd Hoffmann 657962d11e1SGerd Hoffmann xhci_event(xhci, &wrap, 0); 65801546fa6SGerd Hoffmann xhci_mfwrap_update(xhci); 65901546fa6SGerd Hoffmann } 660f1ae32a1SGerd Hoffmann 66159a70ccdSDavid Gibson static inline dma_addr_t xhci_addr64(uint32_t low, uint32_t high) 662f1ae32a1SGerd Hoffmann { 66359a70ccdSDavid Gibson if (sizeof(dma_addr_t) == 4) { 664f1ae32a1SGerd Hoffmann return low; 66559a70ccdSDavid Gibson } else { 66659a70ccdSDavid Gibson return low | (((dma_addr_t)high << 16) << 16); 66759a70ccdSDavid Gibson } 668f1ae32a1SGerd Hoffmann } 669f1ae32a1SGerd Hoffmann 67059a70ccdSDavid Gibson static inline dma_addr_t xhci_mask64(uint64_t addr) 671f1ae32a1SGerd Hoffmann { 67259a70ccdSDavid Gibson if (sizeof(dma_addr_t) == 4) { 673f1ae32a1SGerd Hoffmann return addr & 0xffffffff; 67459a70ccdSDavid Gibson } else { 67559a70ccdSDavid Gibson return addr; 67659a70ccdSDavid Gibson } 677f1ae32a1SGerd Hoffmann } 678f1ae32a1SGerd Hoffmann 679616b5d53SDavid Gibson static inline void xhci_dma_read_u32s(XHCIState *xhci, dma_addr_t addr, 680616b5d53SDavid Gibson uint32_t *buf, size_t len) 681616b5d53SDavid Gibson { 682616b5d53SDavid Gibson int i; 683616b5d53SDavid Gibson 684616b5d53SDavid Gibson assert((len % sizeof(uint32_t)) == 0); 685616b5d53SDavid Gibson 6869b7d3334SAndreas Färber pci_dma_read(PCI_DEVICE(xhci), addr, buf, len); 687616b5d53SDavid Gibson 688616b5d53SDavid Gibson for (i = 0; i < (len / sizeof(uint32_t)); i++) { 689616b5d53SDavid Gibson buf[i] = le32_to_cpu(buf[i]); 690616b5d53SDavid Gibson } 691616b5d53SDavid Gibson } 692616b5d53SDavid Gibson 693616b5d53SDavid Gibson static inline void xhci_dma_write_u32s(XHCIState *xhci, dma_addr_t addr, 694616b5d53SDavid Gibson uint32_t *buf, size_t len) 695616b5d53SDavid Gibson { 696616b5d53SDavid Gibson int i; 697616b5d53SDavid Gibson uint32_t tmp[len / sizeof(uint32_t)]; 698616b5d53SDavid Gibson 699616b5d53SDavid Gibson assert((len % sizeof(uint32_t)) == 0); 700616b5d53SDavid Gibson 701616b5d53SDavid Gibson for (i = 0; i < (len / sizeof(uint32_t)); i++) { 702616b5d53SDavid Gibson tmp[i] = cpu_to_le32(buf[i]); 703616b5d53SDavid Gibson } 7049b7d3334SAndreas Färber pci_dma_write(PCI_DEVICE(xhci), addr, tmp, len); 705616b5d53SDavid Gibson } 706616b5d53SDavid Gibson 7070846e635SGerd Hoffmann static XHCIPort *xhci_lookup_port(XHCIState *xhci, struct USBPort *uport) 7080846e635SGerd Hoffmann { 7090846e635SGerd Hoffmann int index; 7100846e635SGerd Hoffmann 7110846e635SGerd Hoffmann if (!uport->dev) { 7120846e635SGerd Hoffmann return NULL; 7130846e635SGerd Hoffmann } 7140846e635SGerd Hoffmann switch (uport->dev->speed) { 7150846e635SGerd Hoffmann case USB_SPEED_LOW: 7160846e635SGerd Hoffmann case USB_SPEED_FULL: 7170846e635SGerd Hoffmann case USB_SPEED_HIGH: 7187bafd888SGerd Hoffmann if (xhci_get_flag(xhci, XHCI_FLAG_SS_FIRST)) { 7197bafd888SGerd Hoffmann index = uport->index + xhci->numports_3; 7207bafd888SGerd Hoffmann } else { 7210846e635SGerd Hoffmann index = uport->index; 7227bafd888SGerd Hoffmann } 7230846e635SGerd Hoffmann break; 7240846e635SGerd Hoffmann case USB_SPEED_SUPER: 7257bafd888SGerd Hoffmann if (xhci_get_flag(xhci, XHCI_FLAG_SS_FIRST)) { 7267bafd888SGerd Hoffmann index = uport->index; 7277bafd888SGerd Hoffmann } else { 7280846e635SGerd Hoffmann index = uport->index + xhci->numports_2; 7297bafd888SGerd Hoffmann } 7300846e635SGerd Hoffmann break; 7310846e635SGerd Hoffmann default: 7320846e635SGerd Hoffmann return NULL; 7330846e635SGerd Hoffmann } 7340846e635SGerd Hoffmann return &xhci->ports[index]; 7350846e635SGerd Hoffmann } 7360846e635SGerd Hoffmann 7374c4abe7cSGerd Hoffmann static void xhci_intx_update(XHCIState *xhci) 738f1ae32a1SGerd Hoffmann { 7399b7d3334SAndreas Färber PCIDevice *pci_dev = PCI_DEVICE(xhci); 740f1ae32a1SGerd Hoffmann int level = 0; 741f1ae32a1SGerd Hoffmann 7429b7d3334SAndreas Färber if (msix_enabled(pci_dev) || 7439b7d3334SAndreas Färber msi_enabled(pci_dev)) { 7444c4abe7cSGerd Hoffmann return; 7454c4abe7cSGerd Hoffmann } 7464c4abe7cSGerd Hoffmann 747962d11e1SGerd Hoffmann if (xhci->intr[0].iman & IMAN_IP && 748962d11e1SGerd Hoffmann xhci->intr[0].iman & IMAN_IE && 749215bff17SLai Jiangshan xhci->usbcmd & USBCMD_INTE) { 750f1ae32a1SGerd Hoffmann level = 1; 751f1ae32a1SGerd Hoffmann } 752f1ae32a1SGerd Hoffmann 7537acd279fSGerd Hoffmann trace_usb_xhci_irq_intx(level); 7549e64f8a3SMarcel Apfelbaum pci_set_irq(pci_dev, level); 755f1ae32a1SGerd Hoffmann } 7564c4abe7cSGerd Hoffmann 757962d11e1SGerd Hoffmann static void xhci_msix_update(XHCIState *xhci, int v) 7584c47f800SGerd Hoffmann { 7599b7d3334SAndreas Färber PCIDevice *pci_dev = PCI_DEVICE(xhci); 7604c47f800SGerd Hoffmann bool enabled; 7614c47f800SGerd Hoffmann 7629b7d3334SAndreas Färber if (!msix_enabled(pci_dev)) { 7634c47f800SGerd Hoffmann return; 7644c47f800SGerd Hoffmann } 7654c47f800SGerd Hoffmann 766962d11e1SGerd Hoffmann enabled = xhci->intr[v].iman & IMAN_IE; 767962d11e1SGerd Hoffmann if (enabled == xhci->intr[v].msix_used) { 7684c47f800SGerd Hoffmann return; 7694c47f800SGerd Hoffmann } 7704c47f800SGerd Hoffmann 7714c47f800SGerd Hoffmann if (enabled) { 772962d11e1SGerd Hoffmann trace_usb_xhci_irq_msix_use(v); 7739b7d3334SAndreas Färber msix_vector_use(pci_dev, v); 774962d11e1SGerd Hoffmann xhci->intr[v].msix_used = true; 7754c47f800SGerd Hoffmann } else { 776962d11e1SGerd Hoffmann trace_usb_xhci_irq_msix_unuse(v); 7779b7d3334SAndreas Färber msix_vector_unuse(pci_dev, v); 778962d11e1SGerd Hoffmann xhci->intr[v].msix_used = false; 7794c47f800SGerd Hoffmann } 7804c47f800SGerd Hoffmann } 7814c47f800SGerd Hoffmann 782962d11e1SGerd Hoffmann static void xhci_intr_raise(XHCIState *xhci, int v) 7834c4abe7cSGerd Hoffmann { 7849b7d3334SAndreas Färber PCIDevice *pci_dev = PCI_DEVICE(xhci); 7859b7d3334SAndreas Färber 786962d11e1SGerd Hoffmann xhci->intr[v].erdp_low |= ERDP_EHB; 787962d11e1SGerd Hoffmann xhci->intr[v].iman |= IMAN_IP; 7882cae4119SGerd Hoffmann xhci->usbsts |= USBSTS_EINT; 7892cae4119SGerd Hoffmann 790962d11e1SGerd Hoffmann if (!(xhci->intr[v].iman & IMAN_IE)) { 7914c4abe7cSGerd Hoffmann return; 7924c4abe7cSGerd Hoffmann } 7934c4abe7cSGerd Hoffmann 7944c4abe7cSGerd Hoffmann if (!(xhci->usbcmd & USBCMD_INTE)) { 7954c4abe7cSGerd Hoffmann return; 7964c4abe7cSGerd Hoffmann } 7974c4abe7cSGerd Hoffmann 7989b7d3334SAndreas Färber if (msix_enabled(pci_dev)) { 799962d11e1SGerd Hoffmann trace_usb_xhci_irq_msix(v); 8009b7d3334SAndreas Färber msix_notify(pci_dev, v); 8014c47f800SGerd Hoffmann return; 8024c47f800SGerd Hoffmann } 8034c47f800SGerd Hoffmann 8049b7d3334SAndreas Färber if (msi_enabled(pci_dev)) { 805962d11e1SGerd Hoffmann trace_usb_xhci_irq_msi(v); 8069b7d3334SAndreas Färber msi_notify(pci_dev, v); 8074c4abe7cSGerd Hoffmann return; 8084c4abe7cSGerd Hoffmann } 8094c4abe7cSGerd Hoffmann 810962d11e1SGerd Hoffmann if (v == 0) { 8114c4abe7cSGerd Hoffmann trace_usb_xhci_irq_intx(1); 8129e64f8a3SMarcel Apfelbaum pci_irq_assert(pci_dev); 813f1ae32a1SGerd Hoffmann } 814962d11e1SGerd Hoffmann } 815f1ae32a1SGerd Hoffmann 816f1ae32a1SGerd Hoffmann static inline int xhci_running(XHCIState *xhci) 817f1ae32a1SGerd Hoffmann { 818962d11e1SGerd Hoffmann return !(xhci->usbsts & USBSTS_HCH) && !xhci->intr[0].er_full; 819f1ae32a1SGerd Hoffmann } 820f1ae32a1SGerd Hoffmann 821f1ae32a1SGerd Hoffmann static void xhci_die(XHCIState *xhci) 822f1ae32a1SGerd Hoffmann { 823f1ae32a1SGerd Hoffmann xhci->usbsts |= USBSTS_HCE; 824d6bb65fcSGerd Hoffmann DPRINTF("xhci: asserted controller error\n"); 825f1ae32a1SGerd Hoffmann } 826f1ae32a1SGerd Hoffmann 827962d11e1SGerd Hoffmann static void xhci_write_event(XHCIState *xhci, XHCIEvent *event, int v) 828f1ae32a1SGerd Hoffmann { 8299b7d3334SAndreas Färber PCIDevice *pci_dev = PCI_DEVICE(xhci); 830962d11e1SGerd Hoffmann XHCIInterrupter *intr = &xhci->intr[v]; 831f1ae32a1SGerd Hoffmann XHCITRB ev_trb; 83259a70ccdSDavid Gibson dma_addr_t addr; 833f1ae32a1SGerd Hoffmann 834f1ae32a1SGerd Hoffmann ev_trb.parameter = cpu_to_le64(event->ptr); 835f1ae32a1SGerd Hoffmann ev_trb.status = cpu_to_le32(event->length | (event->ccode << 24)); 836f1ae32a1SGerd Hoffmann ev_trb.control = (event->slotid << 24) | (event->epid << 16) | 837f1ae32a1SGerd Hoffmann event->flags | (event->type << TRB_TYPE_SHIFT); 838962d11e1SGerd Hoffmann if (intr->er_pcs) { 839f1ae32a1SGerd Hoffmann ev_trb.control |= TRB_C; 840f1ae32a1SGerd Hoffmann } 841f1ae32a1SGerd Hoffmann ev_trb.control = cpu_to_le32(ev_trb.control); 842f1ae32a1SGerd Hoffmann 843962d11e1SGerd Hoffmann trace_usb_xhci_queue_event(v, intr->er_ep_idx, trb_name(&ev_trb), 844873123feSGerd Hoffmann event_name(event), ev_trb.parameter, 845873123feSGerd Hoffmann ev_trb.status, ev_trb.control); 846f1ae32a1SGerd Hoffmann 847962d11e1SGerd Hoffmann addr = intr->er_start + TRB_SIZE*intr->er_ep_idx; 8489b7d3334SAndreas Färber pci_dma_write(pci_dev, addr, &ev_trb, TRB_SIZE); 849f1ae32a1SGerd Hoffmann 850962d11e1SGerd Hoffmann intr->er_ep_idx++; 851962d11e1SGerd Hoffmann if (intr->er_ep_idx >= intr->er_size) { 852962d11e1SGerd Hoffmann intr->er_ep_idx = 0; 853962d11e1SGerd Hoffmann intr->er_pcs = !intr->er_pcs; 854f1ae32a1SGerd Hoffmann } 855f1ae32a1SGerd Hoffmann } 856f1ae32a1SGerd Hoffmann 857962d11e1SGerd Hoffmann static void xhci_events_update(XHCIState *xhci, int v) 858f1ae32a1SGerd Hoffmann { 859962d11e1SGerd Hoffmann XHCIInterrupter *intr = &xhci->intr[v]; 86059a70ccdSDavid Gibson dma_addr_t erdp; 861f1ae32a1SGerd Hoffmann unsigned int dp_idx; 862f1ae32a1SGerd Hoffmann bool do_irq = 0; 863f1ae32a1SGerd Hoffmann 864f1ae32a1SGerd Hoffmann if (xhci->usbsts & USBSTS_HCH) { 865f1ae32a1SGerd Hoffmann return; 866f1ae32a1SGerd Hoffmann } 867f1ae32a1SGerd Hoffmann 868962d11e1SGerd Hoffmann erdp = xhci_addr64(intr->erdp_low, intr->erdp_high); 869962d11e1SGerd Hoffmann if (erdp < intr->er_start || 870962d11e1SGerd Hoffmann erdp >= (intr->er_start + TRB_SIZE*intr->er_size)) { 871d6bb65fcSGerd Hoffmann DPRINTF("xhci: ERDP out of bounds: "DMA_ADDR_FMT"\n", erdp); 872d6bb65fcSGerd Hoffmann DPRINTF("xhci: ER[%d] at "DMA_ADDR_FMT" len %d\n", 873962d11e1SGerd Hoffmann v, intr->er_start, intr->er_size); 874f1ae32a1SGerd Hoffmann xhci_die(xhci); 875f1ae32a1SGerd Hoffmann return; 876f1ae32a1SGerd Hoffmann } 877962d11e1SGerd Hoffmann dp_idx = (erdp - intr->er_start) / TRB_SIZE; 878962d11e1SGerd Hoffmann assert(dp_idx < intr->er_size); 879f1ae32a1SGerd Hoffmann 880f1ae32a1SGerd Hoffmann /* NEC didn't read section 4.9.4 of the spec (v1.0 p139 top Note) and thus 881f1ae32a1SGerd Hoffmann * deadlocks when the ER is full. Hack it by holding off events until 882f1ae32a1SGerd Hoffmann * the driver decides to free at least half of the ring */ 883962d11e1SGerd Hoffmann if (intr->er_full) { 884962d11e1SGerd Hoffmann int er_free = dp_idx - intr->er_ep_idx; 885f1ae32a1SGerd Hoffmann if (er_free <= 0) { 886962d11e1SGerd Hoffmann er_free += intr->er_size; 887f1ae32a1SGerd Hoffmann } 888962d11e1SGerd Hoffmann if (er_free < (intr->er_size/2)) { 889f1ae32a1SGerd Hoffmann DPRINTF("xhci_events_update(): event ring still " 890f1ae32a1SGerd Hoffmann "more than half full (hack)\n"); 891f1ae32a1SGerd Hoffmann return; 892f1ae32a1SGerd Hoffmann } 893f1ae32a1SGerd Hoffmann } 894f1ae32a1SGerd Hoffmann 895962d11e1SGerd Hoffmann while (intr->ev_buffer_put != intr->ev_buffer_get) { 896962d11e1SGerd Hoffmann assert(intr->er_full); 897962d11e1SGerd Hoffmann if (((intr->er_ep_idx+1) % intr->er_size) == dp_idx) { 898f1ae32a1SGerd Hoffmann DPRINTF("xhci_events_update(): event ring full again\n"); 899f1ae32a1SGerd Hoffmann #ifndef ER_FULL_HACK 900f1ae32a1SGerd Hoffmann XHCIEvent full = {ER_HOST_CONTROLLER, CC_EVENT_RING_FULL_ERROR}; 901962d11e1SGerd Hoffmann xhci_write_event(xhci, &full, v); 902f1ae32a1SGerd Hoffmann #endif 903f1ae32a1SGerd Hoffmann do_irq = 1; 904f1ae32a1SGerd Hoffmann break; 905f1ae32a1SGerd Hoffmann } 906962d11e1SGerd Hoffmann XHCIEvent *event = &intr->ev_buffer[intr->ev_buffer_get]; 907962d11e1SGerd Hoffmann xhci_write_event(xhci, event, v); 908962d11e1SGerd Hoffmann intr->ev_buffer_get++; 909f1ae32a1SGerd Hoffmann do_irq = 1; 910962d11e1SGerd Hoffmann if (intr->ev_buffer_get == EV_QUEUE) { 911962d11e1SGerd Hoffmann intr->ev_buffer_get = 0; 912f1ae32a1SGerd Hoffmann } 913f1ae32a1SGerd Hoffmann } 914f1ae32a1SGerd Hoffmann 915f1ae32a1SGerd Hoffmann if (do_irq) { 916962d11e1SGerd Hoffmann xhci_intr_raise(xhci, v); 917f1ae32a1SGerd Hoffmann } 918f1ae32a1SGerd Hoffmann 919962d11e1SGerd Hoffmann if (intr->er_full && intr->ev_buffer_put == intr->ev_buffer_get) { 920f1ae32a1SGerd Hoffmann DPRINTF("xhci_events_update(): event ring no longer full\n"); 921962d11e1SGerd Hoffmann intr->er_full = 0; 922f1ae32a1SGerd Hoffmann } 923f1ae32a1SGerd Hoffmann } 924f1ae32a1SGerd Hoffmann 925962d11e1SGerd Hoffmann static void xhci_event(XHCIState *xhci, XHCIEvent *event, int v) 926f1ae32a1SGerd Hoffmann { 9272d1de850SGerd Hoffmann XHCIInterrupter *intr; 92859a70ccdSDavid Gibson dma_addr_t erdp; 929f1ae32a1SGerd Hoffmann unsigned int dp_idx; 930f1ae32a1SGerd Hoffmann 93191062ae0SGerd Hoffmann if (v >= xhci->numintrs) { 93291062ae0SGerd Hoffmann DPRINTF("intr nr out of range (%d >= %d)\n", v, xhci->numintrs); 9332d1de850SGerd Hoffmann return; 9342d1de850SGerd Hoffmann } 9352d1de850SGerd Hoffmann intr = &xhci->intr[v]; 9362d1de850SGerd Hoffmann 937962d11e1SGerd Hoffmann if (intr->er_full) { 938f1ae32a1SGerd Hoffmann DPRINTF("xhci_event(): ER full, queueing\n"); 939962d11e1SGerd Hoffmann if (((intr->ev_buffer_put+1) % EV_QUEUE) == intr->ev_buffer_get) { 940d6bb65fcSGerd Hoffmann DPRINTF("xhci: event queue full, dropping event!\n"); 941f1ae32a1SGerd Hoffmann return; 942f1ae32a1SGerd Hoffmann } 943962d11e1SGerd Hoffmann intr->ev_buffer[intr->ev_buffer_put++] = *event; 944962d11e1SGerd Hoffmann if (intr->ev_buffer_put == EV_QUEUE) { 945962d11e1SGerd Hoffmann intr->ev_buffer_put = 0; 946f1ae32a1SGerd Hoffmann } 947f1ae32a1SGerd Hoffmann return; 948f1ae32a1SGerd Hoffmann } 949f1ae32a1SGerd Hoffmann 950962d11e1SGerd Hoffmann erdp = xhci_addr64(intr->erdp_low, intr->erdp_high); 951962d11e1SGerd Hoffmann if (erdp < intr->er_start || 952962d11e1SGerd Hoffmann erdp >= (intr->er_start + TRB_SIZE*intr->er_size)) { 953d6bb65fcSGerd Hoffmann DPRINTF("xhci: ERDP out of bounds: "DMA_ADDR_FMT"\n", erdp); 954d6bb65fcSGerd Hoffmann DPRINTF("xhci: ER[%d] at "DMA_ADDR_FMT" len %d\n", 955962d11e1SGerd Hoffmann v, intr->er_start, intr->er_size); 956f1ae32a1SGerd Hoffmann xhci_die(xhci); 957f1ae32a1SGerd Hoffmann return; 958f1ae32a1SGerd Hoffmann } 959f1ae32a1SGerd Hoffmann 960962d11e1SGerd Hoffmann dp_idx = (erdp - intr->er_start) / TRB_SIZE; 961962d11e1SGerd Hoffmann assert(dp_idx < intr->er_size); 962f1ae32a1SGerd Hoffmann 963962d11e1SGerd Hoffmann if ((intr->er_ep_idx+1) % intr->er_size == dp_idx) { 964f1ae32a1SGerd Hoffmann DPRINTF("xhci_event(): ER full, queueing\n"); 965f1ae32a1SGerd Hoffmann #ifndef ER_FULL_HACK 966f1ae32a1SGerd Hoffmann XHCIEvent full = {ER_HOST_CONTROLLER, CC_EVENT_RING_FULL_ERROR}; 967f1ae32a1SGerd Hoffmann xhci_write_event(xhci, &full); 968f1ae32a1SGerd Hoffmann #endif 969962d11e1SGerd Hoffmann intr->er_full = 1; 970962d11e1SGerd Hoffmann if (((intr->ev_buffer_put+1) % EV_QUEUE) == intr->ev_buffer_get) { 971d6bb65fcSGerd Hoffmann DPRINTF("xhci: event queue full, dropping event!\n"); 972f1ae32a1SGerd Hoffmann return; 973f1ae32a1SGerd Hoffmann } 974962d11e1SGerd Hoffmann intr->ev_buffer[intr->ev_buffer_put++] = *event; 975962d11e1SGerd Hoffmann if (intr->ev_buffer_put == EV_QUEUE) { 976962d11e1SGerd Hoffmann intr->ev_buffer_put = 0; 977f1ae32a1SGerd Hoffmann } 978f1ae32a1SGerd Hoffmann } else { 979962d11e1SGerd Hoffmann xhci_write_event(xhci, event, v); 980f1ae32a1SGerd Hoffmann } 981f1ae32a1SGerd Hoffmann 982962d11e1SGerd Hoffmann xhci_intr_raise(xhci, v); 983f1ae32a1SGerd Hoffmann } 984f1ae32a1SGerd Hoffmann 985f1ae32a1SGerd Hoffmann static void xhci_ring_init(XHCIState *xhci, XHCIRing *ring, 98659a70ccdSDavid Gibson dma_addr_t base) 987f1ae32a1SGerd Hoffmann { 988f1ae32a1SGerd Hoffmann ring->dequeue = base; 989f1ae32a1SGerd Hoffmann ring->ccs = 1; 990f1ae32a1SGerd Hoffmann } 991f1ae32a1SGerd Hoffmann 992f1ae32a1SGerd Hoffmann static TRBType xhci_ring_fetch(XHCIState *xhci, XHCIRing *ring, XHCITRB *trb, 99359a70ccdSDavid Gibson dma_addr_t *addr) 994f1ae32a1SGerd Hoffmann { 9959b7d3334SAndreas Färber PCIDevice *pci_dev = PCI_DEVICE(xhci); 9969b7d3334SAndreas Färber 997f1ae32a1SGerd Hoffmann while (1) { 998f1ae32a1SGerd Hoffmann TRBType type; 9999b7d3334SAndreas Färber pci_dma_read(pci_dev, ring->dequeue, trb, TRB_SIZE); 1000f1ae32a1SGerd Hoffmann trb->addr = ring->dequeue; 1001f1ae32a1SGerd Hoffmann trb->ccs = ring->ccs; 1002f1ae32a1SGerd Hoffmann le64_to_cpus(&trb->parameter); 1003f1ae32a1SGerd Hoffmann le32_to_cpus(&trb->status); 1004f1ae32a1SGerd Hoffmann le32_to_cpus(&trb->control); 1005f1ae32a1SGerd Hoffmann 10060703a4a7SGerd Hoffmann trace_usb_xhci_fetch_trb(ring->dequeue, trb_name(trb), 10070703a4a7SGerd Hoffmann trb->parameter, trb->status, trb->control); 1008f1ae32a1SGerd Hoffmann 1009f1ae32a1SGerd Hoffmann if ((trb->control & TRB_C) != ring->ccs) { 1010f1ae32a1SGerd Hoffmann return 0; 1011f1ae32a1SGerd Hoffmann } 1012f1ae32a1SGerd Hoffmann 1013f1ae32a1SGerd Hoffmann type = TRB_TYPE(*trb); 1014f1ae32a1SGerd Hoffmann 1015f1ae32a1SGerd Hoffmann if (type != TR_LINK) { 1016f1ae32a1SGerd Hoffmann if (addr) { 1017f1ae32a1SGerd Hoffmann *addr = ring->dequeue; 1018f1ae32a1SGerd Hoffmann } 1019f1ae32a1SGerd Hoffmann ring->dequeue += TRB_SIZE; 1020f1ae32a1SGerd Hoffmann return type; 1021f1ae32a1SGerd Hoffmann } else { 1022f1ae32a1SGerd Hoffmann ring->dequeue = xhci_mask64(trb->parameter); 1023f1ae32a1SGerd Hoffmann if (trb->control & TRB_LK_TC) { 1024f1ae32a1SGerd Hoffmann ring->ccs = !ring->ccs; 1025f1ae32a1SGerd Hoffmann } 1026f1ae32a1SGerd Hoffmann } 1027f1ae32a1SGerd Hoffmann } 1028f1ae32a1SGerd Hoffmann } 1029f1ae32a1SGerd Hoffmann 1030f1ae32a1SGerd Hoffmann static int xhci_ring_chain_length(XHCIState *xhci, const XHCIRing *ring) 1031f1ae32a1SGerd Hoffmann { 10329b7d3334SAndreas Färber PCIDevice *pci_dev = PCI_DEVICE(xhci); 1033f1ae32a1SGerd Hoffmann XHCITRB trb; 1034f1ae32a1SGerd Hoffmann int length = 0; 103559a70ccdSDavid Gibson dma_addr_t dequeue = ring->dequeue; 1036f1ae32a1SGerd Hoffmann bool ccs = ring->ccs; 1037f1ae32a1SGerd Hoffmann /* hack to bundle together the two/three TDs that make a setup transfer */ 1038f1ae32a1SGerd Hoffmann bool control_td_set = 0; 1039f1ae32a1SGerd Hoffmann 1040f1ae32a1SGerd Hoffmann while (1) { 1041f1ae32a1SGerd Hoffmann TRBType type; 10429b7d3334SAndreas Färber pci_dma_read(pci_dev, dequeue, &trb, TRB_SIZE); 1043f1ae32a1SGerd Hoffmann le64_to_cpus(&trb.parameter); 1044f1ae32a1SGerd Hoffmann le32_to_cpus(&trb.status); 1045f1ae32a1SGerd Hoffmann le32_to_cpus(&trb.control); 1046f1ae32a1SGerd Hoffmann 1047f1ae32a1SGerd Hoffmann if ((trb.control & TRB_C) != ccs) { 1048f1ae32a1SGerd Hoffmann return -length; 1049f1ae32a1SGerd Hoffmann } 1050f1ae32a1SGerd Hoffmann 1051f1ae32a1SGerd Hoffmann type = TRB_TYPE(trb); 1052f1ae32a1SGerd Hoffmann 1053f1ae32a1SGerd Hoffmann if (type == TR_LINK) { 1054f1ae32a1SGerd Hoffmann dequeue = xhci_mask64(trb.parameter); 1055f1ae32a1SGerd Hoffmann if (trb.control & TRB_LK_TC) { 1056f1ae32a1SGerd Hoffmann ccs = !ccs; 1057f1ae32a1SGerd Hoffmann } 1058f1ae32a1SGerd Hoffmann continue; 1059f1ae32a1SGerd Hoffmann } 1060f1ae32a1SGerd Hoffmann 1061f1ae32a1SGerd Hoffmann length += 1; 1062f1ae32a1SGerd Hoffmann dequeue += TRB_SIZE; 1063f1ae32a1SGerd Hoffmann 1064f1ae32a1SGerd Hoffmann if (type == TR_SETUP) { 1065f1ae32a1SGerd Hoffmann control_td_set = 1; 1066f1ae32a1SGerd Hoffmann } else if (type == TR_STATUS) { 1067f1ae32a1SGerd Hoffmann control_td_set = 0; 1068f1ae32a1SGerd Hoffmann } 1069f1ae32a1SGerd Hoffmann 1070f1ae32a1SGerd Hoffmann if (!control_td_set && !(trb.control & TRB_TR_CH)) { 1071f1ae32a1SGerd Hoffmann return length; 1072f1ae32a1SGerd Hoffmann } 1073f1ae32a1SGerd Hoffmann } 1074f1ae32a1SGerd Hoffmann } 1075f1ae32a1SGerd Hoffmann 1076962d11e1SGerd Hoffmann static void xhci_er_reset(XHCIState *xhci, int v) 1077f1ae32a1SGerd Hoffmann { 1078962d11e1SGerd Hoffmann XHCIInterrupter *intr = &xhci->intr[v]; 1079f1ae32a1SGerd Hoffmann XHCIEvRingSeg seg; 1080f1ae32a1SGerd Hoffmann 1081e099ad4bSGerd Hoffmann if (intr->erstsz == 0) { 1082e099ad4bSGerd Hoffmann /* disabled */ 1083e099ad4bSGerd Hoffmann intr->er_start = 0; 1084e099ad4bSGerd Hoffmann intr->er_size = 0; 1085e099ad4bSGerd Hoffmann return; 1086e099ad4bSGerd Hoffmann } 1087f1ae32a1SGerd Hoffmann /* cache the (sole) event ring segment location */ 1088962d11e1SGerd Hoffmann if (intr->erstsz != 1) { 1089d6bb65fcSGerd Hoffmann DPRINTF("xhci: invalid value for ERSTSZ: %d\n", intr->erstsz); 1090f1ae32a1SGerd Hoffmann xhci_die(xhci); 1091f1ae32a1SGerd Hoffmann return; 1092f1ae32a1SGerd Hoffmann } 1093962d11e1SGerd Hoffmann dma_addr_t erstba = xhci_addr64(intr->erstba_low, intr->erstba_high); 10949b7d3334SAndreas Färber pci_dma_read(PCI_DEVICE(xhci), erstba, &seg, sizeof(seg)); 1095f1ae32a1SGerd Hoffmann le32_to_cpus(&seg.addr_low); 1096f1ae32a1SGerd Hoffmann le32_to_cpus(&seg.addr_high); 1097f1ae32a1SGerd Hoffmann le32_to_cpus(&seg.size); 1098f1ae32a1SGerd Hoffmann if (seg.size < 16 || seg.size > 4096) { 1099d6bb65fcSGerd Hoffmann DPRINTF("xhci: invalid value for segment size: %d\n", seg.size); 1100f1ae32a1SGerd Hoffmann xhci_die(xhci); 1101f1ae32a1SGerd Hoffmann return; 1102f1ae32a1SGerd Hoffmann } 1103962d11e1SGerd Hoffmann intr->er_start = xhci_addr64(seg.addr_low, seg.addr_high); 1104962d11e1SGerd Hoffmann intr->er_size = seg.size; 1105f1ae32a1SGerd Hoffmann 1106962d11e1SGerd Hoffmann intr->er_ep_idx = 0; 1107962d11e1SGerd Hoffmann intr->er_pcs = 1; 1108962d11e1SGerd Hoffmann intr->er_full = 0; 1109f1ae32a1SGerd Hoffmann 1110962d11e1SGerd Hoffmann DPRINTF("xhci: event ring[%d]:" DMA_ADDR_FMT " [%d]\n", 1111962d11e1SGerd Hoffmann v, intr->er_start, intr->er_size); 1112f1ae32a1SGerd Hoffmann } 1113f1ae32a1SGerd Hoffmann 1114f1ae32a1SGerd Hoffmann static void xhci_run(XHCIState *xhci) 1115f1ae32a1SGerd Hoffmann { 1116fc0ddacaSGerd Hoffmann trace_usb_xhci_run(); 1117f1ae32a1SGerd Hoffmann xhci->usbsts &= ~USBSTS_HCH; 1118bc72ad67SAlex Bligh xhci->mfindex_start = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL); 1119f1ae32a1SGerd Hoffmann } 1120f1ae32a1SGerd Hoffmann 1121f1ae32a1SGerd Hoffmann static void xhci_stop(XHCIState *xhci) 1122f1ae32a1SGerd Hoffmann { 1123fc0ddacaSGerd Hoffmann trace_usb_xhci_stop(); 1124f1ae32a1SGerd Hoffmann xhci->usbsts |= USBSTS_HCH; 1125f1ae32a1SGerd Hoffmann xhci->crcr_low &= ~CRCR_CRR; 1126f1ae32a1SGerd Hoffmann } 1127f1ae32a1SGerd Hoffmann 1128024426acSGerd Hoffmann static XHCIStreamContext *xhci_alloc_stream_contexts(unsigned count, 1129024426acSGerd Hoffmann dma_addr_t base) 1130024426acSGerd Hoffmann { 1131024426acSGerd Hoffmann XHCIStreamContext *stctx; 1132024426acSGerd Hoffmann unsigned int i; 1133024426acSGerd Hoffmann 1134024426acSGerd Hoffmann stctx = g_new0(XHCIStreamContext, count); 1135024426acSGerd Hoffmann for (i = 0; i < count; i++) { 1136024426acSGerd Hoffmann stctx[i].pctx = base + i * 16; 1137024426acSGerd Hoffmann stctx[i].sct = -1; 1138024426acSGerd Hoffmann } 1139024426acSGerd Hoffmann return stctx; 1140024426acSGerd Hoffmann } 1141024426acSGerd Hoffmann 1142024426acSGerd Hoffmann static void xhci_reset_streams(XHCIEPContext *epctx) 1143024426acSGerd Hoffmann { 1144024426acSGerd Hoffmann unsigned int i; 1145024426acSGerd Hoffmann 1146024426acSGerd Hoffmann for (i = 0; i < epctx->nr_pstreams; i++) { 1147024426acSGerd Hoffmann epctx->pstreams[i].sct = -1; 1148024426acSGerd Hoffmann } 1149024426acSGerd Hoffmann } 1150024426acSGerd Hoffmann 1151024426acSGerd Hoffmann static void xhci_alloc_streams(XHCIEPContext *epctx, dma_addr_t base) 1152024426acSGerd Hoffmann { 1153024426acSGerd Hoffmann assert(epctx->pstreams == NULL); 1154f90e160bSGerd Hoffmann epctx->nr_pstreams = 2 << epctx->max_pstreams; 1155024426acSGerd Hoffmann epctx->pstreams = xhci_alloc_stream_contexts(epctx->nr_pstreams, base); 1156024426acSGerd Hoffmann } 1157024426acSGerd Hoffmann 1158024426acSGerd Hoffmann static void xhci_free_streams(XHCIEPContext *epctx) 1159024426acSGerd Hoffmann { 1160024426acSGerd Hoffmann assert(epctx->pstreams != NULL); 1161024426acSGerd Hoffmann 1162024426acSGerd Hoffmann g_free(epctx->pstreams); 1163024426acSGerd Hoffmann epctx->pstreams = NULL; 1164024426acSGerd Hoffmann epctx->nr_pstreams = 0; 1165024426acSGerd Hoffmann } 1166024426acSGerd Hoffmann 116772391da5SHans de Goede static int xhci_epmask_to_eps_with_streams(XHCIState *xhci, 116872391da5SHans de Goede unsigned int slotid, 116972391da5SHans de Goede uint32_t epmask, 117072391da5SHans de Goede XHCIEPContext **epctxs, 117172391da5SHans de Goede USBEndpoint **eps) 117272391da5SHans de Goede { 117372391da5SHans de Goede XHCISlot *slot; 117472391da5SHans de Goede XHCIEPContext *epctx; 117572391da5SHans de Goede USBEndpoint *ep; 117672391da5SHans de Goede int i, j; 117772391da5SHans de Goede 117872391da5SHans de Goede assert(slotid >= 1 && slotid <= xhci->numslots); 117972391da5SHans de Goede 118072391da5SHans de Goede slot = &xhci->slots[slotid - 1]; 118172391da5SHans de Goede 118272391da5SHans de Goede for (i = 2, j = 0; i <= 31; i++) { 11833d80365bSGerd Hoffmann if (!(epmask & (1u << i))) { 118472391da5SHans de Goede continue; 118572391da5SHans de Goede } 118672391da5SHans de Goede 118772391da5SHans de Goede epctx = slot->eps[i - 1]; 118872391da5SHans de Goede ep = xhci_epid_to_usbep(xhci, slotid, i); 118972391da5SHans de Goede if (!epctx || !epctx->nr_pstreams || !ep) { 119072391da5SHans de Goede continue; 119172391da5SHans de Goede } 119272391da5SHans de Goede 119372391da5SHans de Goede if (epctxs) { 119472391da5SHans de Goede epctxs[j] = epctx; 119572391da5SHans de Goede } 119672391da5SHans de Goede eps[j++] = ep; 119772391da5SHans de Goede } 119872391da5SHans de Goede return j; 119972391da5SHans de Goede } 120072391da5SHans de Goede 120172391da5SHans de Goede static void xhci_free_device_streams(XHCIState *xhci, unsigned int slotid, 120272391da5SHans de Goede uint32_t epmask) 120372391da5SHans de Goede { 120472391da5SHans de Goede USBEndpoint *eps[30]; 120572391da5SHans de Goede int nr_eps; 120672391da5SHans de Goede 120772391da5SHans de Goede nr_eps = xhci_epmask_to_eps_with_streams(xhci, slotid, epmask, NULL, eps); 120872391da5SHans de Goede if (nr_eps) { 120972391da5SHans de Goede usb_device_free_streams(eps[0]->dev, eps, nr_eps); 121072391da5SHans de Goede } 121172391da5SHans de Goede } 121272391da5SHans de Goede 121372391da5SHans de Goede static TRBCCode xhci_alloc_device_streams(XHCIState *xhci, unsigned int slotid, 121472391da5SHans de Goede uint32_t epmask) 121572391da5SHans de Goede { 121672391da5SHans de Goede XHCIEPContext *epctxs[30]; 121772391da5SHans de Goede USBEndpoint *eps[30]; 121872391da5SHans de Goede int i, r, nr_eps, req_nr_streams, dev_max_streams; 121972391da5SHans de Goede 122072391da5SHans de Goede nr_eps = xhci_epmask_to_eps_with_streams(xhci, slotid, epmask, epctxs, 122172391da5SHans de Goede eps); 122272391da5SHans de Goede if (nr_eps == 0) { 122372391da5SHans de Goede return CC_SUCCESS; 122472391da5SHans de Goede } 122572391da5SHans de Goede 122672391da5SHans de Goede req_nr_streams = epctxs[0]->nr_pstreams; 122772391da5SHans de Goede dev_max_streams = eps[0]->max_streams; 122872391da5SHans de Goede 122972391da5SHans de Goede for (i = 1; i < nr_eps; i++) { 123072391da5SHans de Goede /* 123172391da5SHans de Goede * HdG: I don't expect these to ever trigger, but if they do we need 123272391da5SHans de Goede * to come up with another solution, ie group identical endpoints 123372391da5SHans de Goede * together and make an usb_device_alloc_streams call per group. 123472391da5SHans de Goede */ 123572391da5SHans de Goede if (epctxs[i]->nr_pstreams != req_nr_streams) { 123672391da5SHans de Goede FIXME("guest streams config not identical for all eps"); 123772391da5SHans de Goede return CC_RESOURCE_ERROR; 123872391da5SHans de Goede } 123972391da5SHans de Goede if (eps[i]->max_streams != dev_max_streams) { 124072391da5SHans de Goede FIXME("device streams config not identical for all eps"); 124172391da5SHans de Goede return CC_RESOURCE_ERROR; 124272391da5SHans de Goede } 124372391da5SHans de Goede } 124472391da5SHans de Goede 124572391da5SHans de Goede /* 124672391da5SHans de Goede * max-streams in both the device descriptor and in the controller is a 124772391da5SHans de Goede * power of 2. But stream id 0 is reserved, so if a device can do up to 4 124872391da5SHans de Goede * streams the guest will ask for 5 rounded up to the next power of 2 which 124972391da5SHans de Goede * becomes 8. For emulated devices usb_device_alloc_streams is a nop. 125072391da5SHans de Goede * 125172391da5SHans de Goede * For redirected devices however this is an issue, as there we must ask 125272391da5SHans de Goede * the real xhci controller to alloc streams, and the host driver for the 125372391da5SHans de Goede * real xhci controller will likely disallow allocating more streams then 125472391da5SHans de Goede * the device can handle. 125572391da5SHans de Goede * 125672391da5SHans de Goede * So we limit the requested nr_streams to the maximum number the device 125772391da5SHans de Goede * can handle. 125872391da5SHans de Goede */ 125972391da5SHans de Goede if (req_nr_streams > dev_max_streams) { 126072391da5SHans de Goede req_nr_streams = dev_max_streams; 126172391da5SHans de Goede } 126272391da5SHans de Goede 126372391da5SHans de Goede r = usb_device_alloc_streams(eps[0]->dev, eps, nr_eps, req_nr_streams); 126472391da5SHans de Goede if (r != 0) { 1265d6bb65fcSGerd Hoffmann DPRINTF("xhci: alloc streams failed\n"); 126672391da5SHans de Goede return CC_RESOURCE_ERROR; 126772391da5SHans de Goede } 126872391da5SHans de Goede 126972391da5SHans de Goede return CC_SUCCESS; 127072391da5SHans de Goede } 127172391da5SHans de Goede 1272024426acSGerd Hoffmann static XHCIStreamContext *xhci_find_stream(XHCIEPContext *epctx, 1273024426acSGerd Hoffmann unsigned int streamid, 1274024426acSGerd Hoffmann uint32_t *cc_error) 1275024426acSGerd Hoffmann { 1276024426acSGerd Hoffmann XHCIStreamContext *sctx; 1277024426acSGerd Hoffmann dma_addr_t base; 1278024426acSGerd Hoffmann uint32_t ctx[2], sct; 1279024426acSGerd Hoffmann 1280024426acSGerd Hoffmann assert(streamid != 0); 1281024426acSGerd Hoffmann if (epctx->lsa) { 1282024426acSGerd Hoffmann if (streamid >= epctx->nr_pstreams) { 1283024426acSGerd Hoffmann *cc_error = CC_INVALID_STREAM_ID_ERROR; 1284024426acSGerd Hoffmann return NULL; 1285024426acSGerd Hoffmann } 1286024426acSGerd Hoffmann sctx = epctx->pstreams + streamid; 1287024426acSGerd Hoffmann } else { 1288024426acSGerd Hoffmann FIXME("secondary streams not implemented yet"); 1289024426acSGerd Hoffmann } 1290024426acSGerd Hoffmann 1291024426acSGerd Hoffmann if (sctx->sct == -1) { 1292024426acSGerd Hoffmann xhci_dma_read_u32s(epctx->xhci, sctx->pctx, ctx, sizeof(ctx)); 1293024426acSGerd Hoffmann sct = (ctx[0] >> 1) & 0x07; 1294024426acSGerd Hoffmann if (epctx->lsa && sct != 1) { 1295024426acSGerd Hoffmann *cc_error = CC_INVALID_STREAM_TYPE_ERROR; 1296024426acSGerd Hoffmann return NULL; 1297024426acSGerd Hoffmann } 1298024426acSGerd Hoffmann sctx->sct = sct; 1299024426acSGerd Hoffmann base = xhci_addr64(ctx[0] & ~0xf, ctx[1]); 1300024426acSGerd Hoffmann xhci_ring_init(epctx->xhci, &sctx->ring, base); 1301024426acSGerd Hoffmann } 1302024426acSGerd Hoffmann return sctx; 1303024426acSGerd Hoffmann } 1304024426acSGerd Hoffmann 1305f1ae32a1SGerd Hoffmann static void xhci_set_ep_state(XHCIState *xhci, XHCIEPContext *epctx, 1306024426acSGerd Hoffmann XHCIStreamContext *sctx, uint32_t state) 1307f1ae32a1SGerd Hoffmann { 1308c90daa1cSHans de Goede XHCIRing *ring = NULL; 1309f1ae32a1SGerd Hoffmann uint32_t ctx[5]; 1310024426acSGerd Hoffmann uint32_t ctx2[2]; 1311f1ae32a1SGerd Hoffmann 1312616b5d53SDavid Gibson xhci_dma_read_u32s(xhci, epctx->pctx, ctx, sizeof(ctx)); 1313f1ae32a1SGerd Hoffmann ctx[0] &= ~EP_STATE_MASK; 1314f1ae32a1SGerd Hoffmann ctx[0] |= state; 1315024426acSGerd Hoffmann 1316024426acSGerd Hoffmann /* update ring dequeue ptr */ 1317024426acSGerd Hoffmann if (epctx->nr_pstreams) { 1318024426acSGerd Hoffmann if (sctx != NULL) { 1319c90daa1cSHans de Goede ring = &sctx->ring; 1320024426acSGerd Hoffmann xhci_dma_read_u32s(xhci, sctx->pctx, ctx2, sizeof(ctx2)); 1321024426acSGerd Hoffmann ctx2[0] &= 0xe; 1322024426acSGerd Hoffmann ctx2[0] |= sctx->ring.dequeue | sctx->ring.ccs; 1323024426acSGerd Hoffmann ctx2[1] = (sctx->ring.dequeue >> 16) >> 16; 1324024426acSGerd Hoffmann xhci_dma_write_u32s(xhci, sctx->pctx, ctx2, sizeof(ctx2)); 1325024426acSGerd Hoffmann } 1326024426acSGerd Hoffmann } else { 1327c90daa1cSHans de Goede ring = &epctx->ring; 1328c90daa1cSHans de Goede } 1329c90daa1cSHans de Goede if (ring) { 1330c90daa1cSHans de Goede ctx[2] = ring->dequeue | ring->ccs; 1331c90daa1cSHans de Goede ctx[3] = (ring->dequeue >> 16) >> 16; 1332c90daa1cSHans de Goede 133359a70ccdSDavid Gibson DPRINTF("xhci: set epctx: " DMA_ADDR_FMT " state=%d dequeue=%08x%08x\n", 1334f1ae32a1SGerd Hoffmann epctx->pctx, state, ctx[3], ctx[2]); 1335024426acSGerd Hoffmann } 1336024426acSGerd Hoffmann 1337616b5d53SDavid Gibson xhci_dma_write_u32s(xhci, epctx->pctx, ctx, sizeof(ctx)); 13381c82392aSGerd Hoffmann if (epctx->state != state) { 13391c82392aSGerd Hoffmann trace_usb_xhci_ep_state(epctx->slotid, epctx->epid, 13401c82392aSGerd Hoffmann ep_state_name(epctx->state), 13411c82392aSGerd Hoffmann ep_state_name(state)); 13421c82392aSGerd Hoffmann } 1343f1ae32a1SGerd Hoffmann epctx->state = state; 1344f1ae32a1SGerd Hoffmann } 1345f1ae32a1SGerd Hoffmann 13463d139684SGerd Hoffmann static void xhci_ep_kick_timer(void *opaque) 13473d139684SGerd Hoffmann { 13483d139684SGerd Hoffmann XHCIEPContext *epctx = opaque; 1349024426acSGerd Hoffmann xhci_kick_ep(epctx->xhci, epctx->slotid, epctx->epid, 0); 13503d139684SGerd Hoffmann } 13513d139684SGerd Hoffmann 1352492b21f6SGerd Hoffmann static XHCIEPContext *xhci_alloc_epctx(XHCIState *xhci, 1353492b21f6SGerd Hoffmann unsigned int slotid, 1354492b21f6SGerd Hoffmann unsigned int epid) 1355492b21f6SGerd Hoffmann { 1356492b21f6SGerd Hoffmann XHCIEPContext *epctx; 1357492b21f6SGerd Hoffmann int i; 1358492b21f6SGerd Hoffmann 1359492b21f6SGerd Hoffmann epctx = g_new0(XHCIEPContext, 1); 1360492b21f6SGerd Hoffmann epctx->xhci = xhci; 1361492b21f6SGerd Hoffmann epctx->slotid = slotid; 1362492b21f6SGerd Hoffmann epctx->epid = epid; 1363492b21f6SGerd Hoffmann 1364492b21f6SGerd Hoffmann for (i = 0; i < ARRAY_SIZE(epctx->transfers); i++) { 13654c5d82ecSHans de Goede epctx->transfers[i].xhci = xhci; 13664c5d82ecSHans de Goede epctx->transfers[i].slotid = slotid; 13674c5d82ecSHans de Goede epctx->transfers[i].epid = epid; 1368492b21f6SGerd Hoffmann usb_packet_init(&epctx->transfers[i].packet); 1369492b21f6SGerd Hoffmann } 1370bc72ad67SAlex Bligh epctx->kick_timer = timer_new_ns(QEMU_CLOCK_VIRTUAL, xhci_ep_kick_timer, epctx); 1371492b21f6SGerd Hoffmann 1372492b21f6SGerd Hoffmann return epctx; 1373492b21f6SGerd Hoffmann } 1374492b21f6SGerd Hoffmann 1375003e15a1SGerd Hoffmann static void xhci_init_epctx(XHCIEPContext *epctx, 1376003e15a1SGerd Hoffmann dma_addr_t pctx, uint32_t *ctx) 1377f1ae32a1SGerd Hoffmann { 137859a70ccdSDavid Gibson dma_addr_t dequeue; 1379f1ae32a1SGerd Hoffmann 1380f1ae32a1SGerd Hoffmann dequeue = xhci_addr64(ctx[2] & ~0xf, ctx[3]); 1381f1ae32a1SGerd Hoffmann 1382f1ae32a1SGerd Hoffmann epctx->type = (ctx[1] >> EP_TYPE_SHIFT) & EP_TYPE_MASK; 1383f1ae32a1SGerd Hoffmann epctx->pctx = pctx; 1384f1ae32a1SGerd Hoffmann epctx->max_psize = ctx[1]>>16; 1385f1ae32a1SGerd Hoffmann epctx->max_psize *= 1+((ctx[1]>>8)&0xff); 1386024426acSGerd Hoffmann epctx->max_pstreams = (ctx[0] >> 10) & 0xf; 1387024426acSGerd Hoffmann epctx->lsa = (ctx[0] >> 15) & 1; 1388024426acSGerd Hoffmann if (epctx->max_pstreams) { 1389024426acSGerd Hoffmann xhci_alloc_streams(epctx, dequeue); 1390024426acSGerd Hoffmann } else { 1391003e15a1SGerd Hoffmann xhci_ring_init(epctx->xhci, &epctx->ring, dequeue); 1392024426acSGerd Hoffmann epctx->ring.ccs = ctx[2] & 1; 1393024426acSGerd Hoffmann } 1394f1ae32a1SGerd Hoffmann 1395ca716278SGerd Hoffmann epctx->interval = 1 << ((ctx[0] >> 16) & 0xff); 1396003e15a1SGerd Hoffmann } 1397003e15a1SGerd Hoffmann 1398003e15a1SGerd Hoffmann static TRBCCode xhci_enable_ep(XHCIState *xhci, unsigned int slotid, 1399003e15a1SGerd Hoffmann unsigned int epid, dma_addr_t pctx, 1400003e15a1SGerd Hoffmann uint32_t *ctx) 1401003e15a1SGerd Hoffmann { 1402003e15a1SGerd Hoffmann XHCISlot *slot; 1403003e15a1SGerd Hoffmann XHCIEPContext *epctx; 1404003e15a1SGerd Hoffmann 1405003e15a1SGerd Hoffmann trace_usb_xhci_ep_enable(slotid, epid); 1406003e15a1SGerd Hoffmann assert(slotid >= 1 && slotid <= xhci->numslots); 1407003e15a1SGerd Hoffmann assert(epid >= 1 && epid <= 31); 1408003e15a1SGerd Hoffmann 1409003e15a1SGerd Hoffmann slot = &xhci->slots[slotid-1]; 1410003e15a1SGerd Hoffmann if (slot->eps[epid-1]) { 1411003e15a1SGerd Hoffmann xhci_disable_ep(xhci, slotid, epid); 1412003e15a1SGerd Hoffmann } 1413003e15a1SGerd Hoffmann 1414003e15a1SGerd Hoffmann epctx = xhci_alloc_epctx(xhci, slotid, epid); 1415003e15a1SGerd Hoffmann slot->eps[epid-1] = epctx; 1416003e15a1SGerd Hoffmann xhci_init_epctx(epctx, pctx, ctx); 1417003e15a1SGerd Hoffmann 14188c244210SGonglei DPRINTF("xhci: endpoint %d.%d type is %d, max transaction (burst) " 14198c244210SGonglei "size is %d\n", epid/2, epid%2, epctx->type, epctx->max_psize); 14208c244210SGonglei 14213d139684SGerd Hoffmann epctx->mfindex_last = 0; 14223d139684SGerd Hoffmann 1423f1ae32a1SGerd Hoffmann epctx->state = EP_RUNNING; 1424f1ae32a1SGerd Hoffmann ctx[0] &= ~EP_STATE_MASK; 1425f1ae32a1SGerd Hoffmann ctx[0] |= EP_RUNNING; 1426f1ae32a1SGerd Hoffmann 1427f1ae32a1SGerd Hoffmann return CC_SUCCESS; 1428f1ae32a1SGerd Hoffmann } 1429f1ae32a1SGerd Hoffmann 1430582d6f4aSHans de Goede static int xhci_ep_nuke_one_xfer(XHCITransfer *t, TRBCCode report) 14313151f209SHans de Goede { 14323151f209SHans de Goede int killed = 0; 14333151f209SHans de Goede 1434582d6f4aSHans de Goede if (report && (t->running_async || t->running_retry)) { 1435582d6f4aSHans de Goede t->status = report; 1436582d6f4aSHans de Goede xhci_xfer_report(t); 1437582d6f4aSHans de Goede } 1438582d6f4aSHans de Goede 14393151f209SHans de Goede if (t->running_async) { 14403151f209SHans de Goede usb_cancel_packet(&t->packet); 14413151f209SHans de Goede t->running_async = 0; 14423151f209SHans de Goede killed = 1; 14433151f209SHans de Goede } 14443151f209SHans de Goede if (t->running_retry) { 14453151f209SHans de Goede XHCIEPContext *epctx = t->xhci->slots[t->slotid-1].eps[t->epid-1]; 14463151f209SHans de Goede if (epctx) { 14473151f209SHans de Goede epctx->retry = NULL; 1448bc72ad67SAlex Bligh timer_del(epctx->kick_timer); 14493151f209SHans de Goede } 14503151f209SHans de Goede t->running_retry = 0; 1451582d6f4aSHans de Goede killed = 1; 14523151f209SHans de Goede } 14533151f209SHans de Goede if (t->trbs) { 14543151f209SHans de Goede g_free(t->trbs); 14553151f209SHans de Goede } 14563151f209SHans de Goede 14573151f209SHans de Goede t->trbs = NULL; 14583151f209SHans de Goede t->trb_count = t->trb_alloced = 0; 14593151f209SHans de Goede 14603151f209SHans de Goede return killed; 14613151f209SHans de Goede } 14623151f209SHans de Goede 1463f1ae32a1SGerd Hoffmann static int xhci_ep_nuke_xfers(XHCIState *xhci, unsigned int slotid, 1464582d6f4aSHans de Goede unsigned int epid, TRBCCode report) 1465f1ae32a1SGerd Hoffmann { 1466f1ae32a1SGerd Hoffmann XHCISlot *slot; 1467f1ae32a1SGerd Hoffmann XHCIEPContext *epctx; 1468f1ae32a1SGerd Hoffmann int i, xferi, killed = 0; 1469f79738b0SHans de Goede USBEndpoint *ep = NULL; 147091062ae0SGerd Hoffmann assert(slotid >= 1 && slotid <= xhci->numslots); 1471f1ae32a1SGerd Hoffmann assert(epid >= 1 && epid <= 31); 1472f1ae32a1SGerd Hoffmann 1473f1ae32a1SGerd Hoffmann DPRINTF("xhci_ep_nuke_xfers(%d, %d)\n", slotid, epid); 1474f1ae32a1SGerd Hoffmann 1475f1ae32a1SGerd Hoffmann slot = &xhci->slots[slotid-1]; 1476f1ae32a1SGerd Hoffmann 1477f1ae32a1SGerd Hoffmann if (!slot->eps[epid-1]) { 1478f1ae32a1SGerd Hoffmann return 0; 1479f1ae32a1SGerd Hoffmann } 1480f1ae32a1SGerd Hoffmann 1481f1ae32a1SGerd Hoffmann epctx = slot->eps[epid-1]; 1482f1ae32a1SGerd Hoffmann 1483f1ae32a1SGerd Hoffmann xferi = epctx->next_xfer; 1484f1ae32a1SGerd Hoffmann for (i = 0; i < TD_QUEUE; i++) { 1485582d6f4aSHans de Goede killed += xhci_ep_nuke_one_xfer(&epctx->transfers[xferi], report); 1486582d6f4aSHans de Goede if (killed) { 1487582d6f4aSHans de Goede report = 0; /* Only report once */ 1488582d6f4aSHans de Goede } 14890cb41e2cSGerd Hoffmann epctx->transfers[xferi].packet.ep = NULL; 1490f1ae32a1SGerd Hoffmann xferi = (xferi + 1) % TD_QUEUE; 1491f1ae32a1SGerd Hoffmann } 1492518ad5f2SHans de Goede 1493518ad5f2SHans de Goede ep = xhci_epid_to_usbep(xhci, slotid, epid); 1494f79738b0SHans de Goede if (ep) { 1495f79738b0SHans de Goede usb_device_ep_stopped(ep->dev, ep); 1496f79738b0SHans de Goede } 1497f1ae32a1SGerd Hoffmann return killed; 1498f1ae32a1SGerd Hoffmann } 1499f1ae32a1SGerd Hoffmann 1500f1ae32a1SGerd Hoffmann static TRBCCode xhci_disable_ep(XHCIState *xhci, unsigned int slotid, 1501f1ae32a1SGerd Hoffmann unsigned int epid) 1502f1ae32a1SGerd Hoffmann { 1503f1ae32a1SGerd Hoffmann XHCISlot *slot; 1504f1ae32a1SGerd Hoffmann XHCIEPContext *epctx; 1505b21da4e5SHans de Goede int i; 1506f1ae32a1SGerd Hoffmann 1507c1f6b493SGerd Hoffmann trace_usb_xhci_ep_disable(slotid, epid); 150891062ae0SGerd Hoffmann assert(slotid >= 1 && slotid <= xhci->numslots); 1509f1ae32a1SGerd Hoffmann assert(epid >= 1 && epid <= 31); 1510f1ae32a1SGerd Hoffmann 1511f1ae32a1SGerd Hoffmann slot = &xhci->slots[slotid-1]; 1512f1ae32a1SGerd Hoffmann 1513f1ae32a1SGerd Hoffmann if (!slot->eps[epid-1]) { 1514f1ae32a1SGerd Hoffmann DPRINTF("xhci: slot %d ep %d already disabled\n", slotid, epid); 1515f1ae32a1SGerd Hoffmann return CC_SUCCESS; 1516f1ae32a1SGerd Hoffmann } 1517f1ae32a1SGerd Hoffmann 1518582d6f4aSHans de Goede xhci_ep_nuke_xfers(xhci, slotid, epid, 0); 1519f1ae32a1SGerd Hoffmann 1520f1ae32a1SGerd Hoffmann epctx = slot->eps[epid-1]; 1521f1ae32a1SGerd Hoffmann 1522024426acSGerd Hoffmann if (epctx->nr_pstreams) { 1523024426acSGerd Hoffmann xhci_free_streams(epctx); 1524024426acSGerd Hoffmann } 1525024426acSGerd Hoffmann 1526b21da4e5SHans de Goede for (i = 0; i < ARRAY_SIZE(epctx->transfers); i++) { 1527b21da4e5SHans de Goede usb_packet_cleanup(&epctx->transfers[i].packet); 1528b21da4e5SHans de Goede } 1529b21da4e5SHans de Goede 1530024426acSGerd Hoffmann xhci_set_ep_state(xhci, epctx, NULL, EP_DISABLED); 1531f1ae32a1SGerd Hoffmann 1532bc72ad67SAlex Bligh timer_free(epctx->kick_timer); 1533f1ae32a1SGerd Hoffmann g_free(epctx); 1534f1ae32a1SGerd Hoffmann slot->eps[epid-1] = NULL; 1535f1ae32a1SGerd Hoffmann 1536f1ae32a1SGerd Hoffmann return CC_SUCCESS; 1537f1ae32a1SGerd Hoffmann } 1538f1ae32a1SGerd Hoffmann 1539f1ae32a1SGerd Hoffmann static TRBCCode xhci_stop_ep(XHCIState *xhci, unsigned int slotid, 1540f1ae32a1SGerd Hoffmann unsigned int epid) 1541f1ae32a1SGerd Hoffmann { 1542f1ae32a1SGerd Hoffmann XHCISlot *slot; 1543f1ae32a1SGerd Hoffmann XHCIEPContext *epctx; 1544f1ae32a1SGerd Hoffmann 1545c1f6b493SGerd Hoffmann trace_usb_xhci_ep_stop(slotid, epid); 154691062ae0SGerd Hoffmann assert(slotid >= 1 && slotid <= xhci->numslots); 1547f1ae32a1SGerd Hoffmann 1548f1ae32a1SGerd Hoffmann if (epid < 1 || epid > 31) { 1549d6bb65fcSGerd Hoffmann DPRINTF("xhci: bad ep %d\n", epid); 1550f1ae32a1SGerd Hoffmann return CC_TRB_ERROR; 1551f1ae32a1SGerd Hoffmann } 1552f1ae32a1SGerd Hoffmann 1553f1ae32a1SGerd Hoffmann slot = &xhci->slots[slotid-1]; 1554f1ae32a1SGerd Hoffmann 1555f1ae32a1SGerd Hoffmann if (!slot->eps[epid-1]) { 1556f1ae32a1SGerd Hoffmann DPRINTF("xhci: slot %d ep %d not enabled\n", slotid, epid); 1557f1ae32a1SGerd Hoffmann return CC_EP_NOT_ENABLED_ERROR; 1558f1ae32a1SGerd Hoffmann } 1559f1ae32a1SGerd Hoffmann 1560582d6f4aSHans de Goede if (xhci_ep_nuke_xfers(xhci, slotid, epid, CC_STOPPED) > 0) { 1561d6bb65fcSGerd Hoffmann DPRINTF("xhci: FIXME: endpoint stopped w/ xfers running, " 1562f1ae32a1SGerd Hoffmann "data might be lost\n"); 1563f1ae32a1SGerd Hoffmann } 1564f1ae32a1SGerd Hoffmann 1565f1ae32a1SGerd Hoffmann epctx = slot->eps[epid-1]; 1566f1ae32a1SGerd Hoffmann 1567024426acSGerd Hoffmann xhci_set_ep_state(xhci, epctx, NULL, EP_STOPPED); 1568024426acSGerd Hoffmann 1569024426acSGerd Hoffmann if (epctx->nr_pstreams) { 1570024426acSGerd Hoffmann xhci_reset_streams(epctx); 1571024426acSGerd Hoffmann } 1572f1ae32a1SGerd Hoffmann 1573f1ae32a1SGerd Hoffmann return CC_SUCCESS; 1574f1ae32a1SGerd Hoffmann } 1575f1ae32a1SGerd Hoffmann 1576f1ae32a1SGerd Hoffmann static TRBCCode xhci_reset_ep(XHCIState *xhci, unsigned int slotid, 1577f1ae32a1SGerd Hoffmann unsigned int epid) 1578f1ae32a1SGerd Hoffmann { 1579f1ae32a1SGerd Hoffmann XHCISlot *slot; 1580f1ae32a1SGerd Hoffmann XHCIEPContext *epctx; 1581f1ae32a1SGerd Hoffmann 1582c1f6b493SGerd Hoffmann trace_usb_xhci_ep_reset(slotid, epid); 158391062ae0SGerd Hoffmann assert(slotid >= 1 && slotid <= xhci->numslots); 1584f1ae32a1SGerd Hoffmann 1585f1ae32a1SGerd Hoffmann if (epid < 1 || epid > 31) { 1586d6bb65fcSGerd Hoffmann DPRINTF("xhci: bad ep %d\n", epid); 1587f1ae32a1SGerd Hoffmann return CC_TRB_ERROR; 1588f1ae32a1SGerd Hoffmann } 1589f1ae32a1SGerd Hoffmann 1590f1ae32a1SGerd Hoffmann slot = &xhci->slots[slotid-1]; 1591f1ae32a1SGerd Hoffmann 1592f1ae32a1SGerd Hoffmann if (!slot->eps[epid-1]) { 1593f1ae32a1SGerd Hoffmann DPRINTF("xhci: slot %d ep %d not enabled\n", slotid, epid); 1594f1ae32a1SGerd Hoffmann return CC_EP_NOT_ENABLED_ERROR; 1595f1ae32a1SGerd Hoffmann } 1596f1ae32a1SGerd Hoffmann 1597f1ae32a1SGerd Hoffmann epctx = slot->eps[epid-1]; 1598f1ae32a1SGerd Hoffmann 1599f1ae32a1SGerd Hoffmann if (epctx->state != EP_HALTED) { 1600d6bb65fcSGerd Hoffmann DPRINTF("xhci: reset EP while EP %d not halted (%d)\n", 1601f1ae32a1SGerd Hoffmann epid, epctx->state); 1602f1ae32a1SGerd Hoffmann return CC_CONTEXT_STATE_ERROR; 1603f1ae32a1SGerd Hoffmann } 1604f1ae32a1SGerd Hoffmann 1605582d6f4aSHans de Goede if (xhci_ep_nuke_xfers(xhci, slotid, epid, 0) > 0) { 1606d6bb65fcSGerd Hoffmann DPRINTF("xhci: FIXME: endpoint reset w/ xfers running, " 1607f1ae32a1SGerd Hoffmann "data might be lost\n"); 1608f1ae32a1SGerd Hoffmann } 1609f1ae32a1SGerd Hoffmann 1610f1ae32a1SGerd Hoffmann uint8_t ep = epid>>1; 1611f1ae32a1SGerd Hoffmann 1612f1ae32a1SGerd Hoffmann if (epid & 1) { 1613f1ae32a1SGerd Hoffmann ep |= 0x80; 1614f1ae32a1SGerd Hoffmann } 1615f1ae32a1SGerd Hoffmann 161675cc1c1fSGerd Hoffmann if (!xhci->slots[slotid-1].uport || 1617de9de157SHans de Goede !xhci->slots[slotid-1].uport->dev || 1618de9de157SHans de Goede !xhci->slots[slotid-1].uport->dev->attached) { 1619f1ae32a1SGerd Hoffmann return CC_USB_TRANSACTION_ERROR; 1620f1ae32a1SGerd Hoffmann } 1621f1ae32a1SGerd Hoffmann 1622024426acSGerd Hoffmann xhci_set_ep_state(xhci, epctx, NULL, EP_STOPPED); 1623024426acSGerd Hoffmann 1624024426acSGerd Hoffmann if (epctx->nr_pstreams) { 1625024426acSGerd Hoffmann xhci_reset_streams(epctx); 1626024426acSGerd Hoffmann } 1627f1ae32a1SGerd Hoffmann 1628f1ae32a1SGerd Hoffmann return CC_SUCCESS; 1629f1ae32a1SGerd Hoffmann } 1630f1ae32a1SGerd Hoffmann 1631f1ae32a1SGerd Hoffmann static TRBCCode xhci_set_ep_dequeue(XHCIState *xhci, unsigned int slotid, 1632024426acSGerd Hoffmann unsigned int epid, unsigned int streamid, 1633024426acSGerd Hoffmann uint64_t pdequeue) 1634f1ae32a1SGerd Hoffmann { 1635f1ae32a1SGerd Hoffmann XHCISlot *slot; 1636f1ae32a1SGerd Hoffmann XHCIEPContext *epctx; 1637024426acSGerd Hoffmann XHCIStreamContext *sctx; 163859a70ccdSDavid Gibson dma_addr_t dequeue; 1639f1ae32a1SGerd Hoffmann 164091062ae0SGerd Hoffmann assert(slotid >= 1 && slotid <= xhci->numslots); 1641f1ae32a1SGerd Hoffmann 1642f1ae32a1SGerd Hoffmann if (epid < 1 || epid > 31) { 1643d6bb65fcSGerd Hoffmann DPRINTF("xhci: bad ep %d\n", epid); 1644f1ae32a1SGerd Hoffmann return CC_TRB_ERROR; 1645f1ae32a1SGerd Hoffmann } 1646f1ae32a1SGerd Hoffmann 1647024426acSGerd Hoffmann trace_usb_xhci_ep_set_dequeue(slotid, epid, streamid, pdequeue); 1648f1ae32a1SGerd Hoffmann dequeue = xhci_mask64(pdequeue); 1649f1ae32a1SGerd Hoffmann 1650f1ae32a1SGerd Hoffmann slot = &xhci->slots[slotid-1]; 1651f1ae32a1SGerd Hoffmann 1652f1ae32a1SGerd Hoffmann if (!slot->eps[epid-1]) { 1653f1ae32a1SGerd Hoffmann DPRINTF("xhci: slot %d ep %d not enabled\n", slotid, epid); 1654f1ae32a1SGerd Hoffmann return CC_EP_NOT_ENABLED_ERROR; 1655f1ae32a1SGerd Hoffmann } 1656f1ae32a1SGerd Hoffmann 1657f1ae32a1SGerd Hoffmann epctx = slot->eps[epid-1]; 1658f1ae32a1SGerd Hoffmann 1659f1ae32a1SGerd Hoffmann if (epctx->state != EP_STOPPED) { 1660d6bb65fcSGerd Hoffmann DPRINTF("xhci: set EP dequeue pointer while EP %d not stopped\n", epid); 1661f1ae32a1SGerd Hoffmann return CC_CONTEXT_STATE_ERROR; 1662f1ae32a1SGerd Hoffmann } 1663f1ae32a1SGerd Hoffmann 1664024426acSGerd Hoffmann if (epctx->nr_pstreams) { 1665024426acSGerd Hoffmann uint32_t err; 1666024426acSGerd Hoffmann sctx = xhci_find_stream(epctx, streamid, &err); 1667024426acSGerd Hoffmann if (sctx == NULL) { 1668024426acSGerd Hoffmann return err; 1669024426acSGerd Hoffmann } 1670024426acSGerd Hoffmann xhci_ring_init(xhci, &sctx->ring, dequeue & ~0xf); 1671024426acSGerd Hoffmann sctx->ring.ccs = dequeue & 1; 1672024426acSGerd Hoffmann } else { 1673024426acSGerd Hoffmann sctx = NULL; 1674f1ae32a1SGerd Hoffmann xhci_ring_init(xhci, &epctx->ring, dequeue & ~0xF); 1675f1ae32a1SGerd Hoffmann epctx->ring.ccs = dequeue & 1; 1676024426acSGerd Hoffmann } 1677f1ae32a1SGerd Hoffmann 1678024426acSGerd Hoffmann xhci_set_ep_state(xhci, epctx, sctx, EP_STOPPED); 1679f1ae32a1SGerd Hoffmann 1680f1ae32a1SGerd Hoffmann return CC_SUCCESS; 1681f1ae32a1SGerd Hoffmann } 1682f1ae32a1SGerd Hoffmann 1683a6fb2ddbSHans de Goede static int xhci_xfer_create_sgl(XHCITransfer *xfer, int in_xfer) 1684f1ae32a1SGerd Hoffmann { 1685f1ae32a1SGerd Hoffmann XHCIState *xhci = xfer->xhci; 1686d5a15814SGerd Hoffmann int i; 1687f1ae32a1SGerd Hoffmann 1688a6fb2ddbSHans de Goede xfer->int_req = false; 16899b7d3334SAndreas Färber pci_dma_sglist_init(&xfer->sgl, PCI_DEVICE(xhci), xfer->trb_count); 1690f1ae32a1SGerd Hoffmann for (i = 0; i < xfer->trb_count; i++) { 1691f1ae32a1SGerd Hoffmann XHCITRB *trb = &xfer->trbs[i]; 169259a70ccdSDavid Gibson dma_addr_t addr; 1693f1ae32a1SGerd Hoffmann unsigned int chunk = 0; 1694f1ae32a1SGerd Hoffmann 1695a6fb2ddbSHans de Goede if (trb->control & TRB_TR_IOC) { 1696a6fb2ddbSHans de Goede xfer->int_req = true; 1697a6fb2ddbSHans de Goede } 1698a6fb2ddbSHans de Goede 1699f1ae32a1SGerd Hoffmann switch (TRB_TYPE(*trb)) { 1700f1ae32a1SGerd Hoffmann case TR_DATA: 1701f1ae32a1SGerd Hoffmann if ((!(trb->control & TRB_TR_DIR)) != (!in_xfer)) { 1702d6bb65fcSGerd Hoffmann DPRINTF("xhci: data direction mismatch for TR_DATA\n"); 1703d5a15814SGerd Hoffmann goto err; 1704f1ae32a1SGerd Hoffmann } 1705f1ae32a1SGerd Hoffmann /* fallthrough */ 1706f1ae32a1SGerd Hoffmann case TR_NORMAL: 1707f1ae32a1SGerd Hoffmann case TR_ISOCH: 1708f1ae32a1SGerd Hoffmann addr = xhci_mask64(trb->parameter); 1709f1ae32a1SGerd Hoffmann chunk = trb->status & 0x1ffff; 1710f1ae32a1SGerd Hoffmann if (trb->control & TRB_TR_IDT) { 1711f1ae32a1SGerd Hoffmann if (chunk > 8 || in_xfer) { 1712d6bb65fcSGerd Hoffmann DPRINTF("xhci: invalid immediate data TRB\n"); 1713d5a15814SGerd Hoffmann goto err; 1714d5a15814SGerd Hoffmann } 1715d5a15814SGerd Hoffmann qemu_sglist_add(&xfer->sgl, trb->addr, chunk); 1716d5a15814SGerd Hoffmann } else { 1717d5a15814SGerd Hoffmann qemu_sglist_add(&xfer->sgl, addr, chunk); 1718d5a15814SGerd Hoffmann } 1719d5a15814SGerd Hoffmann break; 1720d5a15814SGerd Hoffmann } 1721d5a15814SGerd Hoffmann } 1722d5a15814SGerd Hoffmann 1723d5a15814SGerd Hoffmann return 0; 1724d5a15814SGerd Hoffmann 1725d5a15814SGerd Hoffmann err: 1726d5a15814SGerd Hoffmann qemu_sglist_destroy(&xfer->sgl); 1727f1ae32a1SGerd Hoffmann xhci_die(xhci); 1728d5a15814SGerd Hoffmann return -1; 1729f1ae32a1SGerd Hoffmann } 1730d5a15814SGerd Hoffmann 1731d5a15814SGerd Hoffmann static void xhci_xfer_unmap(XHCITransfer *xfer) 1732d5a15814SGerd Hoffmann { 1733d5a15814SGerd Hoffmann usb_packet_unmap(&xfer->packet, &xfer->sgl); 1734d5a15814SGerd Hoffmann qemu_sglist_destroy(&xfer->sgl); 1735f1ae32a1SGerd Hoffmann } 1736d5a15814SGerd Hoffmann 1737d5a15814SGerd Hoffmann static void xhci_xfer_report(XHCITransfer *xfer) 1738d5a15814SGerd Hoffmann { 1739d5a15814SGerd Hoffmann uint32_t edtla = 0; 1740d5a15814SGerd Hoffmann unsigned int left; 1741d5a15814SGerd Hoffmann bool reported = 0; 1742d5a15814SGerd Hoffmann bool shortpkt = 0; 1743d5a15814SGerd Hoffmann XHCIEvent event = {ER_TRANSFER, CC_SUCCESS}; 1744d5a15814SGerd Hoffmann XHCIState *xhci = xfer->xhci; 1745f1ae32a1SGerd Hoffmann int i; 1746d5a15814SGerd Hoffmann 17479b8251c5SHans de Goede left = xfer->packet.actual_length; 1748d5a15814SGerd Hoffmann 1749d5a15814SGerd Hoffmann for (i = 0; i < xfer->trb_count; i++) { 1750d5a15814SGerd Hoffmann XHCITRB *trb = &xfer->trbs[i]; 1751d5a15814SGerd Hoffmann unsigned int chunk = 0; 1752d5a15814SGerd Hoffmann 1753d5a15814SGerd Hoffmann switch (TRB_TYPE(*trb)) { 1754d5a15814SGerd Hoffmann case TR_DATA: 1755d5a15814SGerd Hoffmann case TR_NORMAL: 1756d5a15814SGerd Hoffmann case TR_ISOCH: 1757d5a15814SGerd Hoffmann chunk = trb->status & 0x1ffff; 1758d5a15814SGerd Hoffmann if (chunk > left) { 1759d5a15814SGerd Hoffmann chunk = left; 1760d5a15814SGerd Hoffmann if (xfer->status == CC_SUCCESS) { 1761d5a15814SGerd Hoffmann shortpkt = 1; 1762f1ae32a1SGerd Hoffmann } 1763f1ae32a1SGerd Hoffmann } 1764f1ae32a1SGerd Hoffmann left -= chunk; 1765f1ae32a1SGerd Hoffmann edtla += chunk; 1766f1ae32a1SGerd Hoffmann break; 1767f1ae32a1SGerd Hoffmann case TR_STATUS: 1768f1ae32a1SGerd Hoffmann reported = 0; 1769f1ae32a1SGerd Hoffmann shortpkt = 0; 1770f1ae32a1SGerd Hoffmann break; 1771f1ae32a1SGerd Hoffmann } 1772f1ae32a1SGerd Hoffmann 1773d5a15814SGerd Hoffmann if (!reported && ((trb->control & TRB_TR_IOC) || 1774d5a15814SGerd Hoffmann (shortpkt && (trb->control & TRB_TR_ISP)) || 17759b8251c5SHans de Goede (xfer->status != CC_SUCCESS && left == 0))) { 1776f1ae32a1SGerd Hoffmann event.slotid = xfer->slotid; 1777f1ae32a1SGerd Hoffmann event.epid = xfer->epid; 1778f1ae32a1SGerd Hoffmann event.length = (trb->status & 0x1ffff) - chunk; 1779f1ae32a1SGerd Hoffmann event.flags = 0; 1780f1ae32a1SGerd Hoffmann event.ptr = trb->addr; 1781f1ae32a1SGerd Hoffmann if (xfer->status == CC_SUCCESS) { 1782f1ae32a1SGerd Hoffmann event.ccode = shortpkt ? CC_SHORT_PACKET : CC_SUCCESS; 1783f1ae32a1SGerd Hoffmann } else { 1784f1ae32a1SGerd Hoffmann event.ccode = xfer->status; 1785f1ae32a1SGerd Hoffmann } 1786f1ae32a1SGerd Hoffmann if (TRB_TYPE(*trb) == TR_EVDATA) { 1787f1ae32a1SGerd Hoffmann event.ptr = trb->parameter; 1788f1ae32a1SGerd Hoffmann event.flags |= TRB_EV_ED; 1789f1ae32a1SGerd Hoffmann event.length = edtla & 0xffffff; 1790f1ae32a1SGerd Hoffmann DPRINTF("xhci_xfer_data: EDTLA=%d\n", event.length); 1791f1ae32a1SGerd Hoffmann edtla = 0; 1792f1ae32a1SGerd Hoffmann } 17932d1de850SGerd Hoffmann xhci_event(xhci, &event, TRB_INTR(*trb)); 1794f1ae32a1SGerd Hoffmann reported = 1; 1795d5a15814SGerd Hoffmann if (xfer->status != CC_SUCCESS) { 1796d5a15814SGerd Hoffmann return; 1797f1ae32a1SGerd Hoffmann } 1798f1ae32a1SGerd Hoffmann } 1799d5a15814SGerd Hoffmann } 1800f1ae32a1SGerd Hoffmann } 1801f1ae32a1SGerd Hoffmann 1802f1ae32a1SGerd Hoffmann static void xhci_stall_ep(XHCITransfer *xfer) 1803f1ae32a1SGerd Hoffmann { 1804f1ae32a1SGerd Hoffmann XHCIState *xhci = xfer->xhci; 1805f1ae32a1SGerd Hoffmann XHCISlot *slot = &xhci->slots[xfer->slotid-1]; 1806f1ae32a1SGerd Hoffmann XHCIEPContext *epctx = slot->eps[xfer->epid-1]; 1807024426acSGerd Hoffmann uint32_t err; 1808024426acSGerd Hoffmann XHCIStreamContext *sctx; 1809f1ae32a1SGerd Hoffmann 1810024426acSGerd Hoffmann if (epctx->nr_pstreams) { 1811024426acSGerd Hoffmann sctx = xhci_find_stream(epctx, xfer->streamid, &err); 1812024426acSGerd Hoffmann if (sctx == NULL) { 1813024426acSGerd Hoffmann return; 1814024426acSGerd Hoffmann } 1815024426acSGerd Hoffmann sctx->ring.dequeue = xfer->trbs[0].addr; 1816024426acSGerd Hoffmann sctx->ring.ccs = xfer->trbs[0].ccs; 1817024426acSGerd Hoffmann xhci_set_ep_state(xhci, epctx, sctx, EP_HALTED); 1818024426acSGerd Hoffmann } else { 1819f1ae32a1SGerd Hoffmann epctx->ring.dequeue = xfer->trbs[0].addr; 1820f1ae32a1SGerd Hoffmann epctx->ring.ccs = xfer->trbs[0].ccs; 1821024426acSGerd Hoffmann xhci_set_ep_state(xhci, epctx, NULL, EP_HALTED); 1822024426acSGerd Hoffmann } 1823f1ae32a1SGerd Hoffmann } 1824f1ae32a1SGerd Hoffmann 1825f1ae32a1SGerd Hoffmann static int xhci_submit(XHCIState *xhci, XHCITransfer *xfer, 1826f1ae32a1SGerd Hoffmann XHCIEPContext *epctx); 1827f1ae32a1SGerd Hoffmann 18285c08106fSGerd Hoffmann static int xhci_setup_packet(XHCITransfer *xfer) 18295c08106fSGerd Hoffmann { 18305c08106fSGerd Hoffmann XHCIState *xhci = xfer->xhci; 1831f1ae32a1SGerd Hoffmann USBEndpoint *ep; 1832f1ae32a1SGerd Hoffmann int dir; 1833f1ae32a1SGerd Hoffmann 1834f1ae32a1SGerd Hoffmann dir = xfer->in_xfer ? USB_TOKEN_IN : USB_TOKEN_OUT; 18355c08106fSGerd Hoffmann 18365c08106fSGerd Hoffmann if (xfer->packet.ep) { 18375c08106fSGerd Hoffmann ep = xfer->packet.ep; 18385c08106fSGerd Hoffmann } else { 1839518ad5f2SHans de Goede ep = xhci_epid_to_usbep(xhci, xfer->slotid, xfer->epid); 1840518ad5f2SHans de Goede if (!ep) { 1841d6bb65fcSGerd Hoffmann DPRINTF("xhci: slot %d has no device\n", 1842ccaf87a0SGerd Hoffmann xfer->slotid); 18435c08106fSGerd Hoffmann return -1; 18445c08106fSGerd Hoffmann } 18455c08106fSGerd Hoffmann } 18465c08106fSGerd Hoffmann 1847a6fb2ddbSHans de Goede xhci_xfer_create_sgl(xfer, dir == USB_TOKEN_IN); /* Also sets int_req */ 1848024426acSGerd Hoffmann usb_packet_setup(&xfer->packet, dir, ep, xfer->streamid, 18498550a02dSGerd Hoffmann xfer->trbs[0].addr, false, xfer->int_req); 1850a6fb2ddbSHans de Goede usb_packet_map(&xfer->packet, &xfer->sgl); 1851f1ae32a1SGerd Hoffmann DPRINTF("xhci: setup packet pid 0x%x addr %d ep %d\n", 1852518ad5f2SHans de Goede xfer->packet.pid, ep->dev->addr, ep->nr); 1853f1ae32a1SGerd Hoffmann return 0; 1854f1ae32a1SGerd Hoffmann } 1855f1ae32a1SGerd Hoffmann 18569a77a0f5SHans de Goede static int xhci_complete_packet(XHCITransfer *xfer) 1857f1ae32a1SGerd Hoffmann { 18589a77a0f5SHans de Goede if (xfer->packet.status == USB_RET_ASYNC) { 185997df650bSGerd Hoffmann trace_usb_xhci_xfer_async(xfer); 1860f1ae32a1SGerd Hoffmann xfer->running_async = 1; 1861f1ae32a1SGerd Hoffmann xfer->running_retry = 0; 1862f1ae32a1SGerd Hoffmann xfer->complete = 0; 1863f1ae32a1SGerd Hoffmann return 0; 18649a77a0f5SHans de Goede } else if (xfer->packet.status == USB_RET_NAK) { 186597df650bSGerd Hoffmann trace_usb_xhci_xfer_nak(xfer); 1866f1ae32a1SGerd Hoffmann xfer->running_async = 0; 1867f1ae32a1SGerd Hoffmann xfer->running_retry = 1; 1868f1ae32a1SGerd Hoffmann xfer->complete = 0; 1869f1ae32a1SGerd Hoffmann return 0; 1870f1ae32a1SGerd Hoffmann } else { 1871f1ae32a1SGerd Hoffmann xfer->running_async = 0; 1872f1ae32a1SGerd Hoffmann xfer->running_retry = 0; 1873f1ae32a1SGerd Hoffmann xfer->complete = 1; 1874d5a15814SGerd Hoffmann xhci_xfer_unmap(xfer); 1875f1ae32a1SGerd Hoffmann } 1876f1ae32a1SGerd Hoffmann 18779a77a0f5SHans de Goede if (xfer->packet.status == USB_RET_SUCCESS) { 18789a77a0f5SHans de Goede trace_usb_xhci_xfer_success(xfer, xfer->packet.actual_length); 1879d5a15814SGerd Hoffmann xfer->status = CC_SUCCESS; 1880d5a15814SGerd Hoffmann xhci_xfer_report(xfer); 1881f1ae32a1SGerd Hoffmann return 0; 1882f1ae32a1SGerd Hoffmann } 1883f1ae32a1SGerd Hoffmann 1884f1ae32a1SGerd Hoffmann /* error */ 18859a77a0f5SHans de Goede trace_usb_xhci_xfer_error(xfer, xfer->packet.status); 18869a77a0f5SHans de Goede switch (xfer->packet.status) { 1887f1ae32a1SGerd Hoffmann case USB_RET_NODEV: 1888ed60ff02SGerd Hoffmann case USB_RET_IOERROR: 1889f1ae32a1SGerd Hoffmann xfer->status = CC_USB_TRANSACTION_ERROR; 1890d5a15814SGerd Hoffmann xhci_xfer_report(xfer); 1891f1ae32a1SGerd Hoffmann xhci_stall_ep(xfer); 1892f1ae32a1SGerd Hoffmann break; 1893f1ae32a1SGerd Hoffmann case USB_RET_STALL: 1894f1ae32a1SGerd Hoffmann xfer->status = CC_STALL_ERROR; 1895d5a15814SGerd Hoffmann xhci_xfer_report(xfer); 1896f1ae32a1SGerd Hoffmann xhci_stall_ep(xfer); 1897f1ae32a1SGerd Hoffmann break; 18984e906d56SGerd Hoffmann case USB_RET_BABBLE: 18994e906d56SGerd Hoffmann xfer->status = CC_BABBLE_DETECTED; 19004e906d56SGerd Hoffmann xhci_xfer_report(xfer); 19014e906d56SGerd Hoffmann xhci_stall_ep(xfer); 19024e906d56SGerd Hoffmann break; 1903f1ae32a1SGerd Hoffmann default: 1904d6bb65fcSGerd Hoffmann DPRINTF("%s: FIXME: status = %d\n", __func__, 19059a77a0f5SHans de Goede xfer->packet.status); 1906024426acSGerd Hoffmann FIXME("unhandled USB_RET_*"); 1907f1ae32a1SGerd Hoffmann } 1908f1ae32a1SGerd Hoffmann return 0; 1909f1ae32a1SGerd Hoffmann } 1910f1ae32a1SGerd Hoffmann 1911f1ae32a1SGerd Hoffmann static int xhci_fire_ctl_transfer(XHCIState *xhci, XHCITransfer *xfer) 1912f1ae32a1SGerd Hoffmann { 1913f1ae32a1SGerd Hoffmann XHCITRB *trb_setup, *trb_status; 1914f1ae32a1SGerd Hoffmann uint8_t bmRequestType; 1915f1ae32a1SGerd Hoffmann 1916f1ae32a1SGerd Hoffmann trb_setup = &xfer->trbs[0]; 1917f1ae32a1SGerd Hoffmann trb_status = &xfer->trbs[xfer->trb_count-1]; 1918f1ae32a1SGerd Hoffmann 1919024426acSGerd Hoffmann trace_usb_xhci_xfer_start(xfer, xfer->slotid, xfer->epid, xfer->streamid); 192097df650bSGerd Hoffmann 1921f1ae32a1SGerd Hoffmann /* at most one Event Data TRB allowed after STATUS */ 1922f1ae32a1SGerd Hoffmann if (TRB_TYPE(*trb_status) == TR_EVDATA && xfer->trb_count > 2) { 1923f1ae32a1SGerd Hoffmann trb_status--; 1924f1ae32a1SGerd Hoffmann } 1925f1ae32a1SGerd Hoffmann 1926f1ae32a1SGerd Hoffmann /* do some sanity checks */ 1927f1ae32a1SGerd Hoffmann if (TRB_TYPE(*trb_setup) != TR_SETUP) { 1928d6bb65fcSGerd Hoffmann DPRINTF("xhci: ep0 first TD not SETUP: %d\n", 1929f1ae32a1SGerd Hoffmann TRB_TYPE(*trb_setup)); 1930f1ae32a1SGerd Hoffmann return -1; 1931f1ae32a1SGerd Hoffmann } 1932f1ae32a1SGerd Hoffmann if (TRB_TYPE(*trb_status) != TR_STATUS) { 1933d6bb65fcSGerd Hoffmann DPRINTF("xhci: ep0 last TD not STATUS: %d\n", 1934f1ae32a1SGerd Hoffmann TRB_TYPE(*trb_status)); 1935f1ae32a1SGerd Hoffmann return -1; 1936f1ae32a1SGerd Hoffmann } 1937f1ae32a1SGerd Hoffmann if (!(trb_setup->control & TRB_TR_IDT)) { 1938d6bb65fcSGerd Hoffmann DPRINTF("xhci: Setup TRB doesn't have IDT set\n"); 1939f1ae32a1SGerd Hoffmann return -1; 1940f1ae32a1SGerd Hoffmann } 1941f1ae32a1SGerd Hoffmann if ((trb_setup->status & 0x1ffff) != 8) { 1942d6bb65fcSGerd Hoffmann DPRINTF("xhci: Setup TRB has bad length (%d)\n", 1943f1ae32a1SGerd Hoffmann (trb_setup->status & 0x1ffff)); 1944f1ae32a1SGerd Hoffmann return -1; 1945f1ae32a1SGerd Hoffmann } 1946f1ae32a1SGerd Hoffmann 1947f1ae32a1SGerd Hoffmann bmRequestType = trb_setup->parameter; 1948f1ae32a1SGerd Hoffmann 1949f1ae32a1SGerd Hoffmann xfer->in_xfer = bmRequestType & USB_DIR_IN; 1950f1ae32a1SGerd Hoffmann xfer->iso_xfer = false; 19514d7a81c0SGerd Hoffmann xfer->timed_xfer = false; 1952f1ae32a1SGerd Hoffmann 19535c08106fSGerd Hoffmann if (xhci_setup_packet(xfer) < 0) { 19545c08106fSGerd Hoffmann return -1; 19555c08106fSGerd Hoffmann } 1956f1ae32a1SGerd Hoffmann xfer->packet.parameter = trb_setup->parameter; 1957f1ae32a1SGerd Hoffmann 19589a77a0f5SHans de Goede usb_handle_packet(xfer->packet.ep->dev, &xfer->packet); 1959f1ae32a1SGerd Hoffmann 19609a77a0f5SHans de Goede xhci_complete_packet(xfer); 1961f1ae32a1SGerd Hoffmann if (!xfer->running_async && !xfer->running_retry) { 1962024426acSGerd Hoffmann xhci_kick_ep(xhci, xfer->slotid, xfer->epid, 0); 1963f1ae32a1SGerd Hoffmann } 1964f1ae32a1SGerd Hoffmann return 0; 1965f1ae32a1SGerd Hoffmann } 1966f1ae32a1SGerd Hoffmann 19674d7a81c0SGerd Hoffmann static void xhci_calc_intr_kick(XHCIState *xhci, XHCITransfer *xfer, 19684d7a81c0SGerd Hoffmann XHCIEPContext *epctx, uint64_t mfindex) 19694d7a81c0SGerd Hoffmann { 19704d7a81c0SGerd Hoffmann uint64_t asap = ((mfindex + epctx->interval - 1) & 19714d7a81c0SGerd Hoffmann ~(epctx->interval-1)); 19724d7a81c0SGerd Hoffmann uint64_t kick = epctx->mfindex_last + epctx->interval; 19734d7a81c0SGerd Hoffmann 19744d7a81c0SGerd Hoffmann assert(epctx->interval != 0); 19754d7a81c0SGerd Hoffmann xfer->mfindex_kick = MAX(asap, kick); 19764d7a81c0SGerd Hoffmann } 19774d7a81c0SGerd Hoffmann 19783d139684SGerd Hoffmann static void xhci_calc_iso_kick(XHCIState *xhci, XHCITransfer *xfer, 19793d139684SGerd Hoffmann XHCIEPContext *epctx, uint64_t mfindex) 19803d139684SGerd Hoffmann { 19813d139684SGerd Hoffmann if (xfer->trbs[0].control & TRB_TR_SIA) { 19823d139684SGerd Hoffmann uint64_t asap = ((mfindex + epctx->interval - 1) & 19833d139684SGerd Hoffmann ~(epctx->interval-1)); 19843d139684SGerd Hoffmann if (asap >= epctx->mfindex_last && 19853d139684SGerd Hoffmann asap <= epctx->mfindex_last + epctx->interval * 4) { 19863d139684SGerd Hoffmann xfer->mfindex_kick = epctx->mfindex_last + epctx->interval; 19873d139684SGerd Hoffmann } else { 19883d139684SGerd Hoffmann xfer->mfindex_kick = asap; 19893d139684SGerd Hoffmann } 19903d139684SGerd Hoffmann } else { 1991786ad214SGerd Hoffmann xfer->mfindex_kick = ((xfer->trbs[0].control >> TRB_TR_FRAMEID_SHIFT) 1992786ad214SGerd Hoffmann & TRB_TR_FRAMEID_MASK) << 3; 19933d139684SGerd Hoffmann xfer->mfindex_kick |= mfindex & ~0x3fff; 1994cc03ff9dSGerd Hoffmann if (xfer->mfindex_kick + 0x100 < mfindex) { 19953d139684SGerd Hoffmann xfer->mfindex_kick += 0x4000; 19963d139684SGerd Hoffmann } 19973d139684SGerd Hoffmann } 19983d139684SGerd Hoffmann } 19993d139684SGerd Hoffmann 20004d7a81c0SGerd Hoffmann static void xhci_check_intr_iso_kick(XHCIState *xhci, XHCITransfer *xfer, 20013d139684SGerd Hoffmann XHCIEPContext *epctx, uint64_t mfindex) 20023d139684SGerd Hoffmann { 20033d139684SGerd Hoffmann if (xfer->mfindex_kick > mfindex) { 2004bc72ad67SAlex Bligh timer_mod(epctx->kick_timer, qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) + 20053d139684SGerd Hoffmann (xfer->mfindex_kick - mfindex) * 125000); 20063d139684SGerd Hoffmann xfer->running_retry = 1; 20073d139684SGerd Hoffmann } else { 20083d139684SGerd Hoffmann epctx->mfindex_last = xfer->mfindex_kick; 2009bc72ad67SAlex Bligh timer_del(epctx->kick_timer); 20103d139684SGerd Hoffmann xfer->running_retry = 0; 20113d139684SGerd Hoffmann } 20123d139684SGerd Hoffmann } 20133d139684SGerd Hoffmann 20143d139684SGerd Hoffmann 2015f1ae32a1SGerd Hoffmann static int xhci_submit(XHCIState *xhci, XHCITransfer *xfer, XHCIEPContext *epctx) 2016f1ae32a1SGerd Hoffmann { 20173d139684SGerd Hoffmann uint64_t mfindex; 2018f1ae32a1SGerd Hoffmann 2019f1ae32a1SGerd Hoffmann DPRINTF("xhci_submit(slotid=%d,epid=%d)\n", xfer->slotid, xfer->epid); 2020f1ae32a1SGerd Hoffmann 2021f1ae32a1SGerd Hoffmann xfer->in_xfer = epctx->type>>2; 2022f1ae32a1SGerd Hoffmann 2023f1ae32a1SGerd Hoffmann switch(epctx->type) { 2024f1ae32a1SGerd Hoffmann case ET_INTR_OUT: 2025f1ae32a1SGerd Hoffmann case ET_INTR_IN: 20264d7a81c0SGerd Hoffmann xfer->pkts = 0; 20274d7a81c0SGerd Hoffmann xfer->iso_xfer = false; 20284d7a81c0SGerd Hoffmann xfer->timed_xfer = true; 20294d7a81c0SGerd Hoffmann mfindex = xhci_mfindex_get(xhci); 20304d7a81c0SGerd Hoffmann xhci_calc_intr_kick(xhci, xfer, epctx, mfindex); 20314d7a81c0SGerd Hoffmann xhci_check_intr_iso_kick(xhci, xfer, epctx, mfindex); 20324d7a81c0SGerd Hoffmann if (xfer->running_retry) { 20334d7a81c0SGerd Hoffmann return -1; 20344d7a81c0SGerd Hoffmann } 20354d7a81c0SGerd Hoffmann break; 2036f1ae32a1SGerd Hoffmann case ET_BULK_OUT: 2037f1ae32a1SGerd Hoffmann case ET_BULK_IN: 20383d139684SGerd Hoffmann xfer->pkts = 0; 20393d139684SGerd Hoffmann xfer->iso_xfer = false; 20404d7a81c0SGerd Hoffmann xfer->timed_xfer = false; 2041f1ae32a1SGerd Hoffmann break; 2042f1ae32a1SGerd Hoffmann case ET_ISO_OUT: 2043f1ae32a1SGerd Hoffmann case ET_ISO_IN: 20443d139684SGerd Hoffmann xfer->pkts = 1; 20453d139684SGerd Hoffmann xfer->iso_xfer = true; 20464d7a81c0SGerd Hoffmann xfer->timed_xfer = true; 20473d139684SGerd Hoffmann mfindex = xhci_mfindex_get(xhci); 20483d139684SGerd Hoffmann xhci_calc_iso_kick(xhci, xfer, epctx, mfindex); 20494d7a81c0SGerd Hoffmann xhci_check_intr_iso_kick(xhci, xfer, epctx, mfindex); 20503d139684SGerd Hoffmann if (xfer->running_retry) { 20513d139684SGerd Hoffmann return -1; 20523d139684SGerd Hoffmann } 2053f1ae32a1SGerd Hoffmann break; 2054f1ae32a1SGerd Hoffmann default: 20554f9cc734SGerd Hoffmann trace_usb_xhci_unimplemented("endpoint type", epctx->type); 2056f1ae32a1SGerd Hoffmann return -1; 2057f1ae32a1SGerd Hoffmann } 2058f1ae32a1SGerd Hoffmann 20595c08106fSGerd Hoffmann if (xhci_setup_packet(xfer) < 0) { 20605c08106fSGerd Hoffmann return -1; 20615c08106fSGerd Hoffmann } 20629a77a0f5SHans de Goede usb_handle_packet(xfer->packet.ep->dev, &xfer->packet); 2063f1ae32a1SGerd Hoffmann 20649a77a0f5SHans de Goede xhci_complete_packet(xfer); 2065f1ae32a1SGerd Hoffmann if (!xfer->running_async && !xfer->running_retry) { 2066024426acSGerd Hoffmann xhci_kick_ep(xhci, xfer->slotid, xfer->epid, xfer->streamid); 2067f1ae32a1SGerd Hoffmann } 2068f1ae32a1SGerd Hoffmann return 0; 2069f1ae32a1SGerd Hoffmann } 2070f1ae32a1SGerd Hoffmann 2071f1ae32a1SGerd Hoffmann static int xhci_fire_transfer(XHCIState *xhci, XHCITransfer *xfer, XHCIEPContext *epctx) 2072f1ae32a1SGerd Hoffmann { 2073024426acSGerd Hoffmann trace_usb_xhci_xfer_start(xfer, xfer->slotid, xfer->epid, xfer->streamid); 2074f1ae32a1SGerd Hoffmann return xhci_submit(xhci, xfer, epctx); 2075f1ae32a1SGerd Hoffmann } 2076f1ae32a1SGerd Hoffmann 2077024426acSGerd Hoffmann static void xhci_kick_ep(XHCIState *xhci, unsigned int slotid, 2078024426acSGerd Hoffmann unsigned int epid, unsigned int streamid) 2079f1ae32a1SGerd Hoffmann { 2080024426acSGerd Hoffmann XHCIStreamContext *stctx; 2081f1ae32a1SGerd Hoffmann XHCIEPContext *epctx; 2082024426acSGerd Hoffmann XHCIRing *ring; 208336dfe324SHans de Goede USBEndpoint *ep = NULL; 20843d139684SGerd Hoffmann uint64_t mfindex; 2085f1ae32a1SGerd Hoffmann int length; 2086f1ae32a1SGerd Hoffmann int i; 2087f1ae32a1SGerd Hoffmann 2088024426acSGerd Hoffmann trace_usb_xhci_ep_kick(slotid, epid, streamid); 208991062ae0SGerd Hoffmann assert(slotid >= 1 && slotid <= xhci->numslots); 2090f1ae32a1SGerd Hoffmann assert(epid >= 1 && epid <= 31); 2091f1ae32a1SGerd Hoffmann 2092f1ae32a1SGerd Hoffmann if (!xhci->slots[slotid-1].enabled) { 2093d6bb65fcSGerd Hoffmann DPRINTF("xhci: xhci_kick_ep for disabled slot %d\n", slotid); 2094f1ae32a1SGerd Hoffmann return; 2095f1ae32a1SGerd Hoffmann } 2096f1ae32a1SGerd Hoffmann epctx = xhci->slots[slotid-1].eps[epid-1]; 2097f1ae32a1SGerd Hoffmann if (!epctx) { 2098d6bb65fcSGerd Hoffmann DPRINTF("xhci: xhci_kick_ep for disabled endpoint %d,%d\n", 2099f1ae32a1SGerd Hoffmann epid, slotid); 2100f1ae32a1SGerd Hoffmann return; 2101f1ae32a1SGerd Hoffmann } 2102f1ae32a1SGerd Hoffmann 2103de9de157SHans de Goede /* If the device has been detached, but the guest has not noticed this 2104de9de157SHans de Goede yet the 2 above checks will succeed, but we must NOT continue */ 2105de9de157SHans de Goede if (!xhci->slots[slotid - 1].uport || 2106de9de157SHans de Goede !xhci->slots[slotid - 1].uport->dev || 2107de9de157SHans de Goede !xhci->slots[slotid - 1].uport->dev->attached) { 2108de9de157SHans de Goede return; 2109de9de157SHans de Goede } 2110de9de157SHans de Goede 2111f1ae32a1SGerd Hoffmann if (epctx->retry) { 2112f1ae32a1SGerd Hoffmann XHCITransfer *xfer = epctx->retry; 2113f1ae32a1SGerd Hoffmann 211497df650bSGerd Hoffmann trace_usb_xhci_xfer_retry(xfer); 2115f1ae32a1SGerd Hoffmann assert(xfer->running_retry); 21164d7a81c0SGerd Hoffmann if (xfer->timed_xfer) { 21174d7a81c0SGerd Hoffmann /* time to kick the transfer? */ 21183d139684SGerd Hoffmann mfindex = xhci_mfindex_get(xhci); 21194d7a81c0SGerd Hoffmann xhci_check_intr_iso_kick(xhci, xfer, epctx, mfindex); 21203d139684SGerd Hoffmann if (xfer->running_retry) { 21213d139684SGerd Hoffmann return; 21223d139684SGerd Hoffmann } 21234d7a81c0SGerd Hoffmann xfer->timed_xfer = 0; 21244d7a81c0SGerd Hoffmann xfer->running_retry = 1; 21254d7a81c0SGerd Hoffmann } 21264d7a81c0SGerd Hoffmann if (xfer->iso_xfer) { 21274d7a81c0SGerd Hoffmann /* retry iso transfer */ 21283d139684SGerd Hoffmann if (xhci_setup_packet(xfer) < 0) { 21293d139684SGerd Hoffmann return; 21303d139684SGerd Hoffmann } 21319a77a0f5SHans de Goede usb_handle_packet(xfer->packet.ep->dev, &xfer->packet); 21329a77a0f5SHans de Goede assert(xfer->packet.status != USB_RET_NAK); 21339a77a0f5SHans de Goede xhci_complete_packet(xfer); 21343d139684SGerd Hoffmann } else { 21353d139684SGerd Hoffmann /* retry nak'ed transfer */ 21365c08106fSGerd Hoffmann if (xhci_setup_packet(xfer) < 0) { 21375c08106fSGerd Hoffmann return; 21385c08106fSGerd Hoffmann } 21399a77a0f5SHans de Goede usb_handle_packet(xfer->packet.ep->dev, &xfer->packet); 21409a77a0f5SHans de Goede if (xfer->packet.status == USB_RET_NAK) { 2141f1ae32a1SGerd Hoffmann return; 2142f1ae32a1SGerd Hoffmann } 21439a77a0f5SHans de Goede xhci_complete_packet(xfer); 21443d139684SGerd Hoffmann } 2145f1ae32a1SGerd Hoffmann assert(!xfer->running_retry); 2146f1ae32a1SGerd Hoffmann epctx->retry = NULL; 2147f1ae32a1SGerd Hoffmann } 2148f1ae32a1SGerd Hoffmann 2149f1ae32a1SGerd Hoffmann if (epctx->state == EP_HALTED) { 2150f1ae32a1SGerd Hoffmann DPRINTF("xhci: ep halted, not running schedule\n"); 2151f1ae32a1SGerd Hoffmann return; 2152f1ae32a1SGerd Hoffmann } 2153f1ae32a1SGerd Hoffmann 2154024426acSGerd Hoffmann 2155024426acSGerd Hoffmann if (epctx->nr_pstreams) { 2156024426acSGerd Hoffmann uint32_t err; 2157024426acSGerd Hoffmann stctx = xhci_find_stream(epctx, streamid, &err); 2158024426acSGerd Hoffmann if (stctx == NULL) { 2159024426acSGerd Hoffmann return; 2160024426acSGerd Hoffmann } 2161024426acSGerd Hoffmann ring = &stctx->ring; 2162024426acSGerd Hoffmann xhci_set_ep_state(xhci, epctx, stctx, EP_RUNNING); 2163024426acSGerd Hoffmann } else { 2164024426acSGerd Hoffmann ring = &epctx->ring; 2165024426acSGerd Hoffmann streamid = 0; 2166024426acSGerd Hoffmann xhci_set_ep_state(xhci, epctx, NULL, EP_RUNNING); 2167024426acSGerd Hoffmann } 21687d04c2b7SGerd Hoffmann assert(ring->dequeue != 0); 2169f1ae32a1SGerd Hoffmann 2170f1ae32a1SGerd Hoffmann while (1) { 2171f1ae32a1SGerd Hoffmann XHCITransfer *xfer = &epctx->transfers[epctx->next_xfer]; 2172331e9406SGerd Hoffmann if (xfer->running_async || xfer->running_retry) { 2173f1ae32a1SGerd Hoffmann break; 2174f1ae32a1SGerd Hoffmann } 2175024426acSGerd Hoffmann length = xhci_ring_chain_length(xhci, ring); 2176f1ae32a1SGerd Hoffmann if (length < 0) { 2177f1ae32a1SGerd Hoffmann break; 2178f1ae32a1SGerd Hoffmann } else if (length == 0) { 2179f1ae32a1SGerd Hoffmann break; 2180f1ae32a1SGerd Hoffmann } 2181f1ae32a1SGerd Hoffmann if (xfer->trbs && xfer->trb_alloced < length) { 2182f1ae32a1SGerd Hoffmann xfer->trb_count = 0; 2183f1ae32a1SGerd Hoffmann xfer->trb_alloced = 0; 2184f1ae32a1SGerd Hoffmann g_free(xfer->trbs); 2185f1ae32a1SGerd Hoffmann xfer->trbs = NULL; 2186f1ae32a1SGerd Hoffmann } 2187f1ae32a1SGerd Hoffmann if (!xfer->trbs) { 2188f1ae32a1SGerd Hoffmann xfer->trbs = g_malloc(sizeof(XHCITRB) * length); 2189f1ae32a1SGerd Hoffmann xfer->trb_alloced = length; 2190f1ae32a1SGerd Hoffmann } 2191f1ae32a1SGerd Hoffmann xfer->trb_count = length; 2192f1ae32a1SGerd Hoffmann 2193f1ae32a1SGerd Hoffmann for (i = 0; i < length; i++) { 2194024426acSGerd Hoffmann assert(xhci_ring_fetch(xhci, ring, &xfer->trbs[i], NULL)); 2195f1ae32a1SGerd Hoffmann } 2196024426acSGerd Hoffmann xfer->streamid = streamid; 2197f1ae32a1SGerd Hoffmann 2198f1ae32a1SGerd Hoffmann if (epid == 1) { 2199f1ae32a1SGerd Hoffmann if (xhci_fire_ctl_transfer(xhci, xfer) >= 0) { 2200f1ae32a1SGerd Hoffmann epctx->next_xfer = (epctx->next_xfer + 1) % TD_QUEUE; 220136dfe324SHans de Goede ep = xfer->packet.ep; 2202f1ae32a1SGerd Hoffmann } else { 2203d6bb65fcSGerd Hoffmann DPRINTF("xhci: error firing CTL transfer\n"); 2204f1ae32a1SGerd Hoffmann } 2205f1ae32a1SGerd Hoffmann } else { 2206f1ae32a1SGerd Hoffmann if (xhci_fire_transfer(xhci, xfer, epctx) >= 0) { 2207f1ae32a1SGerd Hoffmann epctx->next_xfer = (epctx->next_xfer + 1) % TD_QUEUE; 2208f1ae32a1SGerd Hoffmann } else { 22094d7a81c0SGerd Hoffmann if (!xfer->timed_xfer) { 2210d6bb65fcSGerd Hoffmann DPRINTF("xhci: error firing data transfer\n"); 2211f1ae32a1SGerd Hoffmann } 2212f1ae32a1SGerd Hoffmann } 22133d139684SGerd Hoffmann } 2214f1ae32a1SGerd Hoffmann 2215f1ae32a1SGerd Hoffmann if (epctx->state == EP_HALTED) { 2216f1ae32a1SGerd Hoffmann break; 2217f1ae32a1SGerd Hoffmann } 2218f1ae32a1SGerd Hoffmann if (xfer->running_retry) { 2219f1ae32a1SGerd Hoffmann DPRINTF("xhci: xfer nacked, stopping schedule\n"); 2220f1ae32a1SGerd Hoffmann epctx->retry = xfer; 2221f1ae32a1SGerd Hoffmann break; 2222f1ae32a1SGerd Hoffmann } 2223f1ae32a1SGerd Hoffmann } 2224518ad5f2SHans de Goede 2225518ad5f2SHans de Goede ep = xhci_epid_to_usbep(xhci, slotid, epid); 222636dfe324SHans de Goede if (ep) { 222736dfe324SHans de Goede usb_device_flush_ep_queue(ep->dev, ep); 222836dfe324SHans de Goede } 2229f1ae32a1SGerd Hoffmann } 2230f1ae32a1SGerd Hoffmann 2231f1ae32a1SGerd Hoffmann static TRBCCode xhci_enable_slot(XHCIState *xhci, unsigned int slotid) 2232f1ae32a1SGerd Hoffmann { 2233348f1037SGerd Hoffmann trace_usb_xhci_slot_enable(slotid); 223491062ae0SGerd Hoffmann assert(slotid >= 1 && slotid <= xhci->numslots); 2235f1ae32a1SGerd Hoffmann xhci->slots[slotid-1].enabled = 1; 2236ccaf87a0SGerd Hoffmann xhci->slots[slotid-1].uport = NULL; 2237f1ae32a1SGerd Hoffmann memset(xhci->slots[slotid-1].eps, 0, sizeof(XHCIEPContext*)*31); 2238f1ae32a1SGerd Hoffmann 2239f1ae32a1SGerd Hoffmann return CC_SUCCESS; 2240f1ae32a1SGerd Hoffmann } 2241f1ae32a1SGerd Hoffmann 2242f1ae32a1SGerd Hoffmann static TRBCCode xhci_disable_slot(XHCIState *xhci, unsigned int slotid) 2243f1ae32a1SGerd Hoffmann { 2244f1ae32a1SGerd Hoffmann int i; 2245f1ae32a1SGerd Hoffmann 2246348f1037SGerd Hoffmann trace_usb_xhci_slot_disable(slotid); 224791062ae0SGerd Hoffmann assert(slotid >= 1 && slotid <= xhci->numslots); 2248f1ae32a1SGerd Hoffmann 2249f1ae32a1SGerd Hoffmann for (i = 1; i <= 31; i++) { 2250f1ae32a1SGerd Hoffmann if (xhci->slots[slotid-1].eps[i-1]) { 2251f1ae32a1SGerd Hoffmann xhci_disable_ep(xhci, slotid, i); 2252f1ae32a1SGerd Hoffmann } 2253f1ae32a1SGerd Hoffmann } 2254f1ae32a1SGerd Hoffmann 2255f1ae32a1SGerd Hoffmann xhci->slots[slotid-1].enabled = 0; 22564034e693SGerd Hoffmann xhci->slots[slotid-1].addressed = 0; 22575c67dd7bSGerd Hoffmann xhci->slots[slotid-1].uport = NULL; 2258f1ae32a1SGerd Hoffmann return CC_SUCCESS; 2259f1ae32a1SGerd Hoffmann } 2260f1ae32a1SGerd Hoffmann 2261ccaf87a0SGerd Hoffmann static USBPort *xhci_lookup_uport(XHCIState *xhci, uint32_t *slot_ctx) 2262ccaf87a0SGerd Hoffmann { 2263ccaf87a0SGerd Hoffmann USBPort *uport; 2264ccaf87a0SGerd Hoffmann char path[32]; 2265ccaf87a0SGerd Hoffmann int i, pos, port; 2266ccaf87a0SGerd Hoffmann 2267ccaf87a0SGerd Hoffmann port = (slot_ctx[1]>>16) & 0xFF; 2268ccaf87a0SGerd Hoffmann port = xhci->ports[port-1].uport->index+1; 2269ccaf87a0SGerd Hoffmann pos = snprintf(path, sizeof(path), "%d", port); 2270ccaf87a0SGerd Hoffmann for (i = 0; i < 5; i++) { 2271ccaf87a0SGerd Hoffmann port = (slot_ctx[0] >> 4*i) & 0x0f; 2272ccaf87a0SGerd Hoffmann if (!port) { 2273ccaf87a0SGerd Hoffmann break; 2274ccaf87a0SGerd Hoffmann } 2275ccaf87a0SGerd Hoffmann pos += snprintf(path + pos, sizeof(path) - pos, ".%d", port); 2276ccaf87a0SGerd Hoffmann } 2277ccaf87a0SGerd Hoffmann 2278ccaf87a0SGerd Hoffmann QTAILQ_FOREACH(uport, &xhci->bus.used, next) { 2279ccaf87a0SGerd Hoffmann if (strcmp(uport->path, path) == 0) { 2280ccaf87a0SGerd Hoffmann return uport; 2281ccaf87a0SGerd Hoffmann } 2282ccaf87a0SGerd Hoffmann } 2283ccaf87a0SGerd Hoffmann return NULL; 2284ccaf87a0SGerd Hoffmann } 2285ccaf87a0SGerd Hoffmann 2286f1ae32a1SGerd Hoffmann static TRBCCode xhci_address_slot(XHCIState *xhci, unsigned int slotid, 2287f1ae32a1SGerd Hoffmann uint64_t pictx, bool bsr) 2288f1ae32a1SGerd Hoffmann { 2289f1ae32a1SGerd Hoffmann XHCISlot *slot; 2290ccaf87a0SGerd Hoffmann USBPort *uport; 2291f1ae32a1SGerd Hoffmann USBDevice *dev; 229259a70ccdSDavid Gibson dma_addr_t ictx, octx, dcbaap; 2293f1ae32a1SGerd Hoffmann uint64_t poctx; 2294f1ae32a1SGerd Hoffmann uint32_t ictl_ctx[2]; 2295f1ae32a1SGerd Hoffmann uint32_t slot_ctx[4]; 2296f1ae32a1SGerd Hoffmann uint32_t ep0_ctx[5]; 2297f1ae32a1SGerd Hoffmann int i; 2298f1ae32a1SGerd Hoffmann TRBCCode res; 2299f1ae32a1SGerd Hoffmann 230091062ae0SGerd Hoffmann assert(slotid >= 1 && slotid <= xhci->numslots); 2301f1ae32a1SGerd Hoffmann 2302f1ae32a1SGerd Hoffmann dcbaap = xhci_addr64(xhci->dcbaap_low, xhci->dcbaap_high); 23039b7d3334SAndreas Färber poctx = ldq_le_pci_dma(PCI_DEVICE(xhci), dcbaap + 8 * slotid); 2304f1ae32a1SGerd Hoffmann ictx = xhci_mask64(pictx); 2305616b5d53SDavid Gibson octx = xhci_mask64(poctx); 2306f1ae32a1SGerd Hoffmann 230759a70ccdSDavid Gibson DPRINTF("xhci: input context at "DMA_ADDR_FMT"\n", ictx); 230859a70ccdSDavid Gibson DPRINTF("xhci: output context at "DMA_ADDR_FMT"\n", octx); 2309f1ae32a1SGerd Hoffmann 2310616b5d53SDavid Gibson xhci_dma_read_u32s(xhci, ictx, ictl_ctx, sizeof(ictl_ctx)); 2311f1ae32a1SGerd Hoffmann 2312f1ae32a1SGerd Hoffmann if (ictl_ctx[0] != 0x0 || ictl_ctx[1] != 0x3) { 2313d6bb65fcSGerd Hoffmann DPRINTF("xhci: invalid input context control %08x %08x\n", 2314f1ae32a1SGerd Hoffmann ictl_ctx[0], ictl_ctx[1]); 2315f1ae32a1SGerd Hoffmann return CC_TRB_ERROR; 2316f1ae32a1SGerd Hoffmann } 2317f1ae32a1SGerd Hoffmann 2318616b5d53SDavid Gibson xhci_dma_read_u32s(xhci, ictx+32, slot_ctx, sizeof(slot_ctx)); 2319616b5d53SDavid Gibson xhci_dma_read_u32s(xhci, ictx+64, ep0_ctx, sizeof(ep0_ctx)); 2320f1ae32a1SGerd Hoffmann 2321f1ae32a1SGerd Hoffmann DPRINTF("xhci: input slot context: %08x %08x %08x %08x\n", 2322f1ae32a1SGerd Hoffmann slot_ctx[0], slot_ctx[1], slot_ctx[2], slot_ctx[3]); 2323f1ae32a1SGerd Hoffmann 2324f1ae32a1SGerd Hoffmann DPRINTF("xhci: input ep0 context: %08x %08x %08x %08x %08x\n", 2325f1ae32a1SGerd Hoffmann ep0_ctx[0], ep0_ctx[1], ep0_ctx[2], ep0_ctx[3], ep0_ctx[4]); 2326f1ae32a1SGerd Hoffmann 2327ccaf87a0SGerd Hoffmann uport = xhci_lookup_uport(xhci, slot_ctx); 2328ccaf87a0SGerd Hoffmann if (uport == NULL) { 2329d6bb65fcSGerd Hoffmann DPRINTF("xhci: port not found\n"); 2330f1ae32a1SGerd Hoffmann return CC_TRB_ERROR; 2331ccaf87a0SGerd Hoffmann } 233265d81ed4SGerd Hoffmann trace_usb_xhci_slot_address(slotid, uport->path); 2333ccaf87a0SGerd Hoffmann 2334ccaf87a0SGerd Hoffmann dev = uport->dev; 2335de9de157SHans de Goede if (!dev || !dev->attached) { 2336d6bb65fcSGerd Hoffmann DPRINTF("xhci: port %s not connected\n", uport->path); 2337f1ae32a1SGerd Hoffmann return CC_USB_TRANSACTION_ERROR; 2338f1ae32a1SGerd Hoffmann } 2339f1ae32a1SGerd Hoffmann 234091062ae0SGerd Hoffmann for (i = 0; i < xhci->numslots; i++) { 23410bc85da6SGerd Hoffmann if (i == slotid-1) { 23420bc85da6SGerd Hoffmann continue; 23430bc85da6SGerd Hoffmann } 2344ccaf87a0SGerd Hoffmann if (xhci->slots[i].uport == uport) { 2345d6bb65fcSGerd Hoffmann DPRINTF("xhci: port %s already assigned to slot %d\n", 2346ccaf87a0SGerd Hoffmann uport->path, i+1); 2347f1ae32a1SGerd Hoffmann return CC_TRB_ERROR; 2348f1ae32a1SGerd Hoffmann } 2349f1ae32a1SGerd Hoffmann } 2350f1ae32a1SGerd Hoffmann 2351f1ae32a1SGerd Hoffmann slot = &xhci->slots[slotid-1]; 2352ccaf87a0SGerd Hoffmann slot->uport = uport; 2353f1ae32a1SGerd Hoffmann slot->ctx = octx; 2354f1ae32a1SGerd Hoffmann 2355f1ae32a1SGerd Hoffmann if (bsr) { 2356f1ae32a1SGerd Hoffmann slot_ctx[3] = SLOT_DEFAULT << SLOT_STATE_SHIFT; 2357f1ae32a1SGerd Hoffmann } else { 2358a820b575SGerd Hoffmann USBPacket p; 2359a6718874SGerd Hoffmann uint8_t buf[1]; 2360a6718874SGerd Hoffmann 2361af203be3SGerd Hoffmann slot_ctx[3] = (SLOT_ADDRESSED << SLOT_STATE_SHIFT) | slotid; 23620bc85da6SGerd Hoffmann usb_device_reset(dev); 2363a6718874SGerd Hoffmann memset(&p, 0, sizeof(p)); 2364a6718874SGerd Hoffmann usb_packet_addbuf(&p, buf, sizeof(buf)); 2365a820b575SGerd Hoffmann usb_packet_setup(&p, USB_TOKEN_OUT, 23668550a02dSGerd Hoffmann usb_ep_get(dev, USB_TOKEN_OUT, 0), 0, 2367a820b575SGerd Hoffmann 0, false, false); 2368a820b575SGerd Hoffmann usb_device_handle_control(dev, &p, 2369f1ae32a1SGerd Hoffmann DeviceOutRequest | USB_REQ_SET_ADDRESS, 2370af203be3SGerd Hoffmann slotid, 0, 0, NULL); 2371a820b575SGerd Hoffmann assert(p.status != USB_RET_ASYNC); 2372f1ae32a1SGerd Hoffmann } 2373f1ae32a1SGerd Hoffmann 2374f1ae32a1SGerd Hoffmann res = xhci_enable_ep(xhci, slotid, 1, octx+32, ep0_ctx); 2375f1ae32a1SGerd Hoffmann 2376f1ae32a1SGerd Hoffmann DPRINTF("xhci: output slot context: %08x %08x %08x %08x\n", 2377f1ae32a1SGerd Hoffmann slot_ctx[0], slot_ctx[1], slot_ctx[2], slot_ctx[3]); 2378f1ae32a1SGerd Hoffmann DPRINTF("xhci: output ep0 context: %08x %08x %08x %08x %08x\n", 2379f1ae32a1SGerd Hoffmann ep0_ctx[0], ep0_ctx[1], ep0_ctx[2], ep0_ctx[3], ep0_ctx[4]); 2380f1ae32a1SGerd Hoffmann 2381616b5d53SDavid Gibson xhci_dma_write_u32s(xhci, octx, slot_ctx, sizeof(slot_ctx)); 2382616b5d53SDavid Gibson xhci_dma_write_u32s(xhci, octx+32, ep0_ctx, sizeof(ep0_ctx)); 2383f1ae32a1SGerd Hoffmann 23844034e693SGerd Hoffmann xhci->slots[slotid-1].addressed = 1; 2385f1ae32a1SGerd Hoffmann return res; 2386f1ae32a1SGerd Hoffmann } 2387f1ae32a1SGerd Hoffmann 2388f1ae32a1SGerd Hoffmann 2389f1ae32a1SGerd Hoffmann static TRBCCode xhci_configure_slot(XHCIState *xhci, unsigned int slotid, 2390f1ae32a1SGerd Hoffmann uint64_t pictx, bool dc) 2391f1ae32a1SGerd Hoffmann { 239259a70ccdSDavid Gibson dma_addr_t ictx, octx; 2393f1ae32a1SGerd Hoffmann uint32_t ictl_ctx[2]; 2394f1ae32a1SGerd Hoffmann uint32_t slot_ctx[4]; 2395f1ae32a1SGerd Hoffmann uint32_t islot_ctx[4]; 2396f1ae32a1SGerd Hoffmann uint32_t ep_ctx[5]; 2397f1ae32a1SGerd Hoffmann int i; 2398f1ae32a1SGerd Hoffmann TRBCCode res; 2399f1ae32a1SGerd Hoffmann 2400348f1037SGerd Hoffmann trace_usb_xhci_slot_configure(slotid); 240191062ae0SGerd Hoffmann assert(slotid >= 1 && slotid <= xhci->numslots); 2402f1ae32a1SGerd Hoffmann 2403f1ae32a1SGerd Hoffmann ictx = xhci_mask64(pictx); 2404f1ae32a1SGerd Hoffmann octx = xhci->slots[slotid-1].ctx; 2405f1ae32a1SGerd Hoffmann 240659a70ccdSDavid Gibson DPRINTF("xhci: input context at "DMA_ADDR_FMT"\n", ictx); 240759a70ccdSDavid Gibson DPRINTF("xhci: output context at "DMA_ADDR_FMT"\n", octx); 2408f1ae32a1SGerd Hoffmann 2409f1ae32a1SGerd Hoffmann if (dc) { 2410f1ae32a1SGerd Hoffmann for (i = 2; i <= 31; i++) { 2411f1ae32a1SGerd Hoffmann if (xhci->slots[slotid-1].eps[i-1]) { 2412f1ae32a1SGerd Hoffmann xhci_disable_ep(xhci, slotid, i); 2413f1ae32a1SGerd Hoffmann } 2414f1ae32a1SGerd Hoffmann } 2415f1ae32a1SGerd Hoffmann 2416616b5d53SDavid Gibson xhci_dma_read_u32s(xhci, octx, slot_ctx, sizeof(slot_ctx)); 2417f1ae32a1SGerd Hoffmann slot_ctx[3] &= ~(SLOT_STATE_MASK << SLOT_STATE_SHIFT); 2418f1ae32a1SGerd Hoffmann slot_ctx[3] |= SLOT_ADDRESSED << SLOT_STATE_SHIFT; 2419f1ae32a1SGerd Hoffmann DPRINTF("xhci: output slot context: %08x %08x %08x %08x\n", 2420f1ae32a1SGerd Hoffmann slot_ctx[0], slot_ctx[1], slot_ctx[2], slot_ctx[3]); 2421616b5d53SDavid Gibson xhci_dma_write_u32s(xhci, octx, slot_ctx, sizeof(slot_ctx)); 2422f1ae32a1SGerd Hoffmann 2423f1ae32a1SGerd Hoffmann return CC_SUCCESS; 2424f1ae32a1SGerd Hoffmann } 2425f1ae32a1SGerd Hoffmann 2426616b5d53SDavid Gibson xhci_dma_read_u32s(xhci, ictx, ictl_ctx, sizeof(ictl_ctx)); 2427f1ae32a1SGerd Hoffmann 2428f1ae32a1SGerd Hoffmann if ((ictl_ctx[0] & 0x3) != 0x0 || (ictl_ctx[1] & 0x3) != 0x1) { 2429d6bb65fcSGerd Hoffmann DPRINTF("xhci: invalid input context control %08x %08x\n", 2430f1ae32a1SGerd Hoffmann ictl_ctx[0], ictl_ctx[1]); 2431f1ae32a1SGerd Hoffmann return CC_TRB_ERROR; 2432f1ae32a1SGerd Hoffmann } 2433f1ae32a1SGerd Hoffmann 2434616b5d53SDavid Gibson xhci_dma_read_u32s(xhci, ictx+32, islot_ctx, sizeof(islot_ctx)); 2435616b5d53SDavid Gibson xhci_dma_read_u32s(xhci, octx, slot_ctx, sizeof(slot_ctx)); 2436f1ae32a1SGerd Hoffmann 2437f1ae32a1SGerd Hoffmann if (SLOT_STATE(slot_ctx[3]) < SLOT_ADDRESSED) { 2438d6bb65fcSGerd Hoffmann DPRINTF("xhci: invalid slot state %08x\n", slot_ctx[3]); 2439f1ae32a1SGerd Hoffmann return CC_CONTEXT_STATE_ERROR; 2440f1ae32a1SGerd Hoffmann } 2441f1ae32a1SGerd Hoffmann 244272391da5SHans de Goede xhci_free_device_streams(xhci, slotid, ictl_ctx[0] | ictl_ctx[1]); 244372391da5SHans de Goede 2444f1ae32a1SGerd Hoffmann for (i = 2; i <= 31; i++) { 2445f1ae32a1SGerd Hoffmann if (ictl_ctx[0] & (1<<i)) { 2446f1ae32a1SGerd Hoffmann xhci_disable_ep(xhci, slotid, i); 2447f1ae32a1SGerd Hoffmann } 2448f1ae32a1SGerd Hoffmann if (ictl_ctx[1] & (1<<i)) { 2449616b5d53SDavid Gibson xhci_dma_read_u32s(xhci, ictx+32+(32*i), ep_ctx, sizeof(ep_ctx)); 2450f1ae32a1SGerd Hoffmann DPRINTF("xhci: input ep%d.%d context: %08x %08x %08x %08x %08x\n", 2451f1ae32a1SGerd Hoffmann i/2, i%2, ep_ctx[0], ep_ctx[1], ep_ctx[2], 2452f1ae32a1SGerd Hoffmann ep_ctx[3], ep_ctx[4]); 2453f1ae32a1SGerd Hoffmann xhci_disable_ep(xhci, slotid, i); 2454f1ae32a1SGerd Hoffmann res = xhci_enable_ep(xhci, slotid, i, octx+(32*i), ep_ctx); 2455f1ae32a1SGerd Hoffmann if (res != CC_SUCCESS) { 2456f1ae32a1SGerd Hoffmann return res; 2457f1ae32a1SGerd Hoffmann } 2458f1ae32a1SGerd Hoffmann DPRINTF("xhci: output ep%d.%d context: %08x %08x %08x %08x %08x\n", 2459f1ae32a1SGerd Hoffmann i/2, i%2, ep_ctx[0], ep_ctx[1], ep_ctx[2], 2460f1ae32a1SGerd Hoffmann ep_ctx[3], ep_ctx[4]); 2461616b5d53SDavid Gibson xhci_dma_write_u32s(xhci, octx+(32*i), ep_ctx, sizeof(ep_ctx)); 2462f1ae32a1SGerd Hoffmann } 2463f1ae32a1SGerd Hoffmann } 2464f1ae32a1SGerd Hoffmann 246572391da5SHans de Goede res = xhci_alloc_device_streams(xhci, slotid, ictl_ctx[1]); 246672391da5SHans de Goede if (res != CC_SUCCESS) { 246772391da5SHans de Goede for (i = 2; i <= 31; i++) { 24683d80365bSGerd Hoffmann if (ictl_ctx[1] & (1u << i)) { 246972391da5SHans de Goede xhci_disable_ep(xhci, slotid, i); 247072391da5SHans de Goede } 247172391da5SHans de Goede } 247272391da5SHans de Goede return res; 247372391da5SHans de Goede } 247472391da5SHans de Goede 2475f1ae32a1SGerd Hoffmann slot_ctx[3] &= ~(SLOT_STATE_MASK << SLOT_STATE_SHIFT); 2476f1ae32a1SGerd Hoffmann slot_ctx[3] |= SLOT_CONFIGURED << SLOT_STATE_SHIFT; 2477f1ae32a1SGerd Hoffmann slot_ctx[0] &= ~(SLOT_CONTEXT_ENTRIES_MASK << SLOT_CONTEXT_ENTRIES_SHIFT); 2478f1ae32a1SGerd Hoffmann slot_ctx[0] |= islot_ctx[0] & (SLOT_CONTEXT_ENTRIES_MASK << 2479f1ae32a1SGerd Hoffmann SLOT_CONTEXT_ENTRIES_SHIFT); 2480f1ae32a1SGerd Hoffmann DPRINTF("xhci: output slot context: %08x %08x %08x %08x\n", 2481f1ae32a1SGerd Hoffmann slot_ctx[0], slot_ctx[1], slot_ctx[2], slot_ctx[3]); 2482f1ae32a1SGerd Hoffmann 2483616b5d53SDavid Gibson xhci_dma_write_u32s(xhci, octx, slot_ctx, sizeof(slot_ctx)); 2484f1ae32a1SGerd Hoffmann 2485f1ae32a1SGerd Hoffmann return CC_SUCCESS; 2486f1ae32a1SGerd Hoffmann } 2487f1ae32a1SGerd Hoffmann 2488f1ae32a1SGerd Hoffmann 2489f1ae32a1SGerd Hoffmann static TRBCCode xhci_evaluate_slot(XHCIState *xhci, unsigned int slotid, 2490f1ae32a1SGerd Hoffmann uint64_t pictx) 2491f1ae32a1SGerd Hoffmann { 249259a70ccdSDavid Gibson dma_addr_t ictx, octx; 2493f1ae32a1SGerd Hoffmann uint32_t ictl_ctx[2]; 2494f1ae32a1SGerd Hoffmann uint32_t iep0_ctx[5]; 2495f1ae32a1SGerd Hoffmann uint32_t ep0_ctx[5]; 2496f1ae32a1SGerd Hoffmann uint32_t islot_ctx[4]; 2497f1ae32a1SGerd Hoffmann uint32_t slot_ctx[4]; 2498f1ae32a1SGerd Hoffmann 2499348f1037SGerd Hoffmann trace_usb_xhci_slot_evaluate(slotid); 250091062ae0SGerd Hoffmann assert(slotid >= 1 && slotid <= xhci->numslots); 2501f1ae32a1SGerd Hoffmann 2502f1ae32a1SGerd Hoffmann ictx = xhci_mask64(pictx); 2503f1ae32a1SGerd Hoffmann octx = xhci->slots[slotid-1].ctx; 2504f1ae32a1SGerd Hoffmann 250559a70ccdSDavid Gibson DPRINTF("xhci: input context at "DMA_ADDR_FMT"\n", ictx); 250659a70ccdSDavid Gibson DPRINTF("xhci: output context at "DMA_ADDR_FMT"\n", octx); 2507f1ae32a1SGerd Hoffmann 2508616b5d53SDavid Gibson xhci_dma_read_u32s(xhci, ictx, ictl_ctx, sizeof(ictl_ctx)); 2509f1ae32a1SGerd Hoffmann 2510f1ae32a1SGerd Hoffmann if (ictl_ctx[0] != 0x0 || ictl_ctx[1] & ~0x3) { 2511d6bb65fcSGerd Hoffmann DPRINTF("xhci: invalid input context control %08x %08x\n", 2512f1ae32a1SGerd Hoffmann ictl_ctx[0], ictl_ctx[1]); 2513f1ae32a1SGerd Hoffmann return CC_TRB_ERROR; 2514f1ae32a1SGerd Hoffmann } 2515f1ae32a1SGerd Hoffmann 2516f1ae32a1SGerd Hoffmann if (ictl_ctx[1] & 0x1) { 2517616b5d53SDavid Gibson xhci_dma_read_u32s(xhci, ictx+32, islot_ctx, sizeof(islot_ctx)); 2518f1ae32a1SGerd Hoffmann 2519f1ae32a1SGerd Hoffmann DPRINTF("xhci: input slot context: %08x %08x %08x %08x\n", 2520f1ae32a1SGerd Hoffmann islot_ctx[0], islot_ctx[1], islot_ctx[2], islot_ctx[3]); 2521f1ae32a1SGerd Hoffmann 2522616b5d53SDavid Gibson xhci_dma_read_u32s(xhci, octx, slot_ctx, sizeof(slot_ctx)); 2523f1ae32a1SGerd Hoffmann 2524f1ae32a1SGerd Hoffmann slot_ctx[1] &= ~0xFFFF; /* max exit latency */ 2525f1ae32a1SGerd Hoffmann slot_ctx[1] |= islot_ctx[1] & 0xFFFF; 2526f1ae32a1SGerd Hoffmann slot_ctx[2] &= ~0xFF00000; /* interrupter target */ 2527f1ae32a1SGerd Hoffmann slot_ctx[2] |= islot_ctx[2] & 0xFF000000; 2528f1ae32a1SGerd Hoffmann 2529f1ae32a1SGerd Hoffmann DPRINTF("xhci: output slot context: %08x %08x %08x %08x\n", 2530f1ae32a1SGerd Hoffmann slot_ctx[0], slot_ctx[1], slot_ctx[2], slot_ctx[3]); 2531f1ae32a1SGerd Hoffmann 2532616b5d53SDavid Gibson xhci_dma_write_u32s(xhci, octx, slot_ctx, sizeof(slot_ctx)); 2533f1ae32a1SGerd Hoffmann } 2534f1ae32a1SGerd Hoffmann 2535f1ae32a1SGerd Hoffmann if (ictl_ctx[1] & 0x2) { 2536616b5d53SDavid Gibson xhci_dma_read_u32s(xhci, ictx+64, iep0_ctx, sizeof(iep0_ctx)); 2537f1ae32a1SGerd Hoffmann 2538f1ae32a1SGerd Hoffmann DPRINTF("xhci: input ep0 context: %08x %08x %08x %08x %08x\n", 2539f1ae32a1SGerd Hoffmann iep0_ctx[0], iep0_ctx[1], iep0_ctx[2], 2540f1ae32a1SGerd Hoffmann iep0_ctx[3], iep0_ctx[4]); 2541f1ae32a1SGerd Hoffmann 2542616b5d53SDavid Gibson xhci_dma_read_u32s(xhci, octx+32, ep0_ctx, sizeof(ep0_ctx)); 2543f1ae32a1SGerd Hoffmann 2544f1ae32a1SGerd Hoffmann ep0_ctx[1] &= ~0xFFFF0000; /* max packet size*/ 2545f1ae32a1SGerd Hoffmann ep0_ctx[1] |= iep0_ctx[1] & 0xFFFF0000; 2546f1ae32a1SGerd Hoffmann 2547f1ae32a1SGerd Hoffmann DPRINTF("xhci: output ep0 context: %08x %08x %08x %08x %08x\n", 2548f1ae32a1SGerd Hoffmann ep0_ctx[0], ep0_ctx[1], ep0_ctx[2], ep0_ctx[3], ep0_ctx[4]); 2549f1ae32a1SGerd Hoffmann 2550616b5d53SDavid Gibson xhci_dma_write_u32s(xhci, octx+32, ep0_ctx, sizeof(ep0_ctx)); 2551f1ae32a1SGerd Hoffmann } 2552f1ae32a1SGerd Hoffmann 2553f1ae32a1SGerd Hoffmann return CC_SUCCESS; 2554f1ae32a1SGerd Hoffmann } 2555f1ae32a1SGerd Hoffmann 2556f1ae32a1SGerd Hoffmann static TRBCCode xhci_reset_slot(XHCIState *xhci, unsigned int slotid) 2557f1ae32a1SGerd Hoffmann { 2558f1ae32a1SGerd Hoffmann uint32_t slot_ctx[4]; 255959a70ccdSDavid Gibson dma_addr_t octx; 2560f1ae32a1SGerd Hoffmann int i; 2561f1ae32a1SGerd Hoffmann 2562348f1037SGerd Hoffmann trace_usb_xhci_slot_reset(slotid); 256391062ae0SGerd Hoffmann assert(slotid >= 1 && slotid <= xhci->numslots); 2564f1ae32a1SGerd Hoffmann 2565f1ae32a1SGerd Hoffmann octx = xhci->slots[slotid-1].ctx; 2566f1ae32a1SGerd Hoffmann 256759a70ccdSDavid Gibson DPRINTF("xhci: output context at "DMA_ADDR_FMT"\n", octx); 2568f1ae32a1SGerd Hoffmann 2569f1ae32a1SGerd Hoffmann for (i = 2; i <= 31; i++) { 2570f1ae32a1SGerd Hoffmann if (xhci->slots[slotid-1].eps[i-1]) { 2571f1ae32a1SGerd Hoffmann xhci_disable_ep(xhci, slotid, i); 2572f1ae32a1SGerd Hoffmann } 2573f1ae32a1SGerd Hoffmann } 2574f1ae32a1SGerd Hoffmann 2575616b5d53SDavid Gibson xhci_dma_read_u32s(xhci, octx, slot_ctx, sizeof(slot_ctx)); 2576f1ae32a1SGerd Hoffmann slot_ctx[3] &= ~(SLOT_STATE_MASK << SLOT_STATE_SHIFT); 2577f1ae32a1SGerd Hoffmann slot_ctx[3] |= SLOT_DEFAULT << SLOT_STATE_SHIFT; 2578f1ae32a1SGerd Hoffmann DPRINTF("xhci: output slot context: %08x %08x %08x %08x\n", 2579f1ae32a1SGerd Hoffmann slot_ctx[0], slot_ctx[1], slot_ctx[2], slot_ctx[3]); 2580616b5d53SDavid Gibson xhci_dma_write_u32s(xhci, octx, slot_ctx, sizeof(slot_ctx)); 2581f1ae32a1SGerd Hoffmann 2582f1ae32a1SGerd Hoffmann return CC_SUCCESS; 2583f1ae32a1SGerd Hoffmann } 2584f1ae32a1SGerd Hoffmann 2585f1ae32a1SGerd Hoffmann static unsigned int xhci_get_slot(XHCIState *xhci, XHCIEvent *event, XHCITRB *trb) 2586f1ae32a1SGerd Hoffmann { 2587f1ae32a1SGerd Hoffmann unsigned int slotid; 2588f1ae32a1SGerd Hoffmann slotid = (trb->control >> TRB_CR_SLOTID_SHIFT) & TRB_CR_SLOTID_MASK; 258991062ae0SGerd Hoffmann if (slotid < 1 || slotid > xhci->numslots) { 2590d6bb65fcSGerd Hoffmann DPRINTF("xhci: bad slot id %d\n", slotid); 2591f1ae32a1SGerd Hoffmann event->ccode = CC_TRB_ERROR; 2592f1ae32a1SGerd Hoffmann return 0; 2593f1ae32a1SGerd Hoffmann } else if (!xhci->slots[slotid-1].enabled) { 2594d6bb65fcSGerd Hoffmann DPRINTF("xhci: slot id %d not enabled\n", slotid); 2595f1ae32a1SGerd Hoffmann event->ccode = CC_SLOT_NOT_ENABLED_ERROR; 2596f1ae32a1SGerd Hoffmann return 0; 2597f1ae32a1SGerd Hoffmann } 2598f1ae32a1SGerd Hoffmann return slotid; 2599f1ae32a1SGerd Hoffmann } 2600f1ae32a1SGerd Hoffmann 260181251841SGerd Hoffmann /* cleanup slot state on usb device detach */ 260281251841SGerd Hoffmann static void xhci_detach_slot(XHCIState *xhci, USBPort *uport) 260381251841SGerd Hoffmann { 26040cb41e2cSGerd Hoffmann int slot, ep; 260581251841SGerd Hoffmann 260681251841SGerd Hoffmann for (slot = 0; slot < xhci->numslots; slot++) { 260781251841SGerd Hoffmann if (xhci->slots[slot].uport == uport) { 260881251841SGerd Hoffmann break; 260981251841SGerd Hoffmann } 261081251841SGerd Hoffmann } 261181251841SGerd Hoffmann if (slot == xhci->numslots) { 261281251841SGerd Hoffmann return; 261381251841SGerd Hoffmann } 261481251841SGerd Hoffmann 26150cb41e2cSGerd Hoffmann for (ep = 0; ep < 31; ep++) { 26160cb41e2cSGerd Hoffmann if (xhci->slots[slot].eps[ep]) { 2617582d6f4aSHans de Goede xhci_ep_nuke_xfers(xhci, slot + 1, ep + 1, 0); 26180cb41e2cSGerd Hoffmann } 26190cb41e2cSGerd Hoffmann } 262081251841SGerd Hoffmann xhci->slots[slot].uport = NULL; 262181251841SGerd Hoffmann } 262281251841SGerd Hoffmann 2623f1ae32a1SGerd Hoffmann static TRBCCode xhci_get_port_bandwidth(XHCIState *xhci, uint64_t pctx) 2624f1ae32a1SGerd Hoffmann { 262559a70ccdSDavid Gibson dma_addr_t ctx; 26260846e635SGerd Hoffmann uint8_t bw_ctx[xhci->numports+1]; 2627f1ae32a1SGerd Hoffmann 2628f1ae32a1SGerd Hoffmann DPRINTF("xhci_get_port_bandwidth()\n"); 2629f1ae32a1SGerd Hoffmann 2630f1ae32a1SGerd Hoffmann ctx = xhci_mask64(pctx); 2631f1ae32a1SGerd Hoffmann 263259a70ccdSDavid Gibson DPRINTF("xhci: bandwidth context at "DMA_ADDR_FMT"\n", ctx); 2633f1ae32a1SGerd Hoffmann 2634f1ae32a1SGerd Hoffmann /* TODO: actually implement real values here */ 2635f1ae32a1SGerd Hoffmann bw_ctx[0] = 0; 26360846e635SGerd Hoffmann memset(&bw_ctx[1], 80, xhci->numports); /* 80% */ 26379b7d3334SAndreas Färber pci_dma_write(PCI_DEVICE(xhci), ctx, bw_ctx, sizeof(bw_ctx)); 2638f1ae32a1SGerd Hoffmann 2639f1ae32a1SGerd Hoffmann return CC_SUCCESS; 2640f1ae32a1SGerd Hoffmann } 2641f1ae32a1SGerd Hoffmann 2642f1ae32a1SGerd Hoffmann static uint32_t rotl(uint32_t v, unsigned count) 2643f1ae32a1SGerd Hoffmann { 2644f1ae32a1SGerd Hoffmann count &= 31; 2645f1ae32a1SGerd Hoffmann return (v << count) | (v >> (32 - count)); 2646f1ae32a1SGerd Hoffmann } 2647f1ae32a1SGerd Hoffmann 2648f1ae32a1SGerd Hoffmann 2649f1ae32a1SGerd Hoffmann static uint32_t xhci_nec_challenge(uint32_t hi, uint32_t lo) 2650f1ae32a1SGerd Hoffmann { 2651f1ae32a1SGerd Hoffmann uint32_t val; 2652f1ae32a1SGerd Hoffmann val = rotl(lo - 0x49434878, 32 - ((hi>>8) & 0x1F)); 2653f1ae32a1SGerd Hoffmann val += rotl(lo + 0x49434878, hi & 0x1F); 2654f1ae32a1SGerd Hoffmann val -= rotl(hi ^ 0x49434878, (lo >> 16) & 0x1F); 2655f1ae32a1SGerd Hoffmann return ~val; 2656f1ae32a1SGerd Hoffmann } 2657f1ae32a1SGerd Hoffmann 265859a70ccdSDavid Gibson static void xhci_via_challenge(XHCIState *xhci, uint64_t addr) 2659f1ae32a1SGerd Hoffmann { 26609b7d3334SAndreas Färber PCIDevice *pci_dev = PCI_DEVICE(xhci); 2661f1ae32a1SGerd Hoffmann uint32_t buf[8]; 2662f1ae32a1SGerd Hoffmann uint32_t obuf[8]; 266359a70ccdSDavid Gibson dma_addr_t paddr = xhci_mask64(addr); 2664f1ae32a1SGerd Hoffmann 26659b7d3334SAndreas Färber pci_dma_read(pci_dev, paddr, &buf, 32); 2666f1ae32a1SGerd Hoffmann 2667f1ae32a1SGerd Hoffmann memcpy(obuf, buf, sizeof(obuf)); 2668f1ae32a1SGerd Hoffmann 2669f1ae32a1SGerd Hoffmann if ((buf[0] & 0xff) == 2) { 2670f1ae32a1SGerd Hoffmann obuf[0] = 0x49932000 + 0x54dc200 * buf[2] + 0x7429b578 * buf[3]; 2671f1ae32a1SGerd Hoffmann obuf[0] |= (buf[2] * buf[3]) & 0xff; 2672f1ae32a1SGerd Hoffmann obuf[1] = 0x0132bb37 + 0xe89 * buf[2] + 0xf09 * buf[3]; 2673f1ae32a1SGerd Hoffmann obuf[2] = 0x0066c2e9 + 0x2091 * buf[2] + 0x19bd * buf[3]; 2674f1ae32a1SGerd Hoffmann obuf[3] = 0xd5281342 + 0x2cc9691 * buf[2] + 0x2367662 * buf[3]; 2675f1ae32a1SGerd Hoffmann obuf[4] = 0x0123c75c + 0x1595 * buf[2] + 0x19ec * buf[3]; 2676f1ae32a1SGerd Hoffmann obuf[5] = 0x00f695de + 0x26fd * buf[2] + 0x3e9 * buf[3]; 2677f1ae32a1SGerd Hoffmann obuf[6] = obuf[2] ^ obuf[3] ^ 0x29472956; 2678f1ae32a1SGerd Hoffmann obuf[7] = obuf[2] ^ obuf[3] ^ 0x65866593; 2679f1ae32a1SGerd Hoffmann } 2680f1ae32a1SGerd Hoffmann 26819b7d3334SAndreas Färber pci_dma_write(pci_dev, paddr, &obuf, 32); 2682f1ae32a1SGerd Hoffmann } 2683f1ae32a1SGerd Hoffmann 2684f1ae32a1SGerd Hoffmann static void xhci_process_commands(XHCIState *xhci) 2685f1ae32a1SGerd Hoffmann { 2686f1ae32a1SGerd Hoffmann XHCITRB trb; 2687f1ae32a1SGerd Hoffmann TRBType type; 2688f1ae32a1SGerd Hoffmann XHCIEvent event = {ER_COMMAND_COMPLETE, CC_SUCCESS}; 268959a70ccdSDavid Gibson dma_addr_t addr; 2690f1ae32a1SGerd Hoffmann unsigned int i, slotid = 0; 2691f1ae32a1SGerd Hoffmann 2692f1ae32a1SGerd Hoffmann DPRINTF("xhci_process_commands()\n"); 2693f1ae32a1SGerd Hoffmann if (!xhci_running(xhci)) { 2694f1ae32a1SGerd Hoffmann DPRINTF("xhci_process_commands() called while xHC stopped or paused\n"); 2695f1ae32a1SGerd Hoffmann return; 2696f1ae32a1SGerd Hoffmann } 2697f1ae32a1SGerd Hoffmann 2698f1ae32a1SGerd Hoffmann xhci->crcr_low |= CRCR_CRR; 2699f1ae32a1SGerd Hoffmann 2700f1ae32a1SGerd Hoffmann while ((type = xhci_ring_fetch(xhci, &xhci->cmd_ring, &trb, &addr))) { 2701f1ae32a1SGerd Hoffmann event.ptr = addr; 2702f1ae32a1SGerd Hoffmann switch (type) { 2703f1ae32a1SGerd Hoffmann case CR_ENABLE_SLOT: 270491062ae0SGerd Hoffmann for (i = 0; i < xhci->numslots; i++) { 2705f1ae32a1SGerd Hoffmann if (!xhci->slots[i].enabled) { 2706f1ae32a1SGerd Hoffmann break; 2707f1ae32a1SGerd Hoffmann } 2708f1ae32a1SGerd Hoffmann } 270991062ae0SGerd Hoffmann if (i >= xhci->numslots) { 2710d6bb65fcSGerd Hoffmann DPRINTF("xhci: no device slots available\n"); 2711f1ae32a1SGerd Hoffmann event.ccode = CC_NO_SLOTS_ERROR; 2712f1ae32a1SGerd Hoffmann } else { 2713f1ae32a1SGerd Hoffmann slotid = i+1; 2714f1ae32a1SGerd Hoffmann event.ccode = xhci_enable_slot(xhci, slotid); 2715f1ae32a1SGerd Hoffmann } 2716f1ae32a1SGerd Hoffmann break; 2717f1ae32a1SGerd Hoffmann case CR_DISABLE_SLOT: 2718f1ae32a1SGerd Hoffmann slotid = xhci_get_slot(xhci, &event, &trb); 2719f1ae32a1SGerd Hoffmann if (slotid) { 2720f1ae32a1SGerd Hoffmann event.ccode = xhci_disable_slot(xhci, slotid); 2721f1ae32a1SGerd Hoffmann } 2722f1ae32a1SGerd Hoffmann break; 2723f1ae32a1SGerd Hoffmann case CR_ADDRESS_DEVICE: 2724f1ae32a1SGerd Hoffmann slotid = xhci_get_slot(xhci, &event, &trb); 2725f1ae32a1SGerd Hoffmann if (slotid) { 2726f1ae32a1SGerd Hoffmann event.ccode = xhci_address_slot(xhci, slotid, trb.parameter, 2727f1ae32a1SGerd Hoffmann trb.control & TRB_CR_BSR); 2728f1ae32a1SGerd Hoffmann } 2729f1ae32a1SGerd Hoffmann break; 2730f1ae32a1SGerd Hoffmann case CR_CONFIGURE_ENDPOINT: 2731f1ae32a1SGerd Hoffmann slotid = xhci_get_slot(xhci, &event, &trb); 2732f1ae32a1SGerd Hoffmann if (slotid) { 2733f1ae32a1SGerd Hoffmann event.ccode = xhci_configure_slot(xhci, slotid, trb.parameter, 2734f1ae32a1SGerd Hoffmann trb.control & TRB_CR_DC); 2735f1ae32a1SGerd Hoffmann } 2736f1ae32a1SGerd Hoffmann break; 2737f1ae32a1SGerd Hoffmann case CR_EVALUATE_CONTEXT: 2738f1ae32a1SGerd Hoffmann slotid = xhci_get_slot(xhci, &event, &trb); 2739f1ae32a1SGerd Hoffmann if (slotid) { 2740f1ae32a1SGerd Hoffmann event.ccode = xhci_evaluate_slot(xhci, slotid, trb.parameter); 2741f1ae32a1SGerd Hoffmann } 2742f1ae32a1SGerd Hoffmann break; 2743f1ae32a1SGerd Hoffmann case CR_STOP_ENDPOINT: 2744f1ae32a1SGerd Hoffmann slotid = xhci_get_slot(xhci, &event, &trb); 2745f1ae32a1SGerd Hoffmann if (slotid) { 2746f1ae32a1SGerd Hoffmann unsigned int epid = (trb.control >> TRB_CR_EPID_SHIFT) 2747f1ae32a1SGerd Hoffmann & TRB_CR_EPID_MASK; 2748f1ae32a1SGerd Hoffmann event.ccode = xhci_stop_ep(xhci, slotid, epid); 2749f1ae32a1SGerd Hoffmann } 2750f1ae32a1SGerd Hoffmann break; 2751f1ae32a1SGerd Hoffmann case CR_RESET_ENDPOINT: 2752f1ae32a1SGerd Hoffmann slotid = xhci_get_slot(xhci, &event, &trb); 2753f1ae32a1SGerd Hoffmann if (slotid) { 2754f1ae32a1SGerd Hoffmann unsigned int epid = (trb.control >> TRB_CR_EPID_SHIFT) 2755f1ae32a1SGerd Hoffmann & TRB_CR_EPID_MASK; 2756f1ae32a1SGerd Hoffmann event.ccode = xhci_reset_ep(xhci, slotid, epid); 2757f1ae32a1SGerd Hoffmann } 2758f1ae32a1SGerd Hoffmann break; 2759f1ae32a1SGerd Hoffmann case CR_SET_TR_DEQUEUE: 2760f1ae32a1SGerd Hoffmann slotid = xhci_get_slot(xhci, &event, &trb); 2761f1ae32a1SGerd Hoffmann if (slotid) { 2762f1ae32a1SGerd Hoffmann unsigned int epid = (trb.control >> TRB_CR_EPID_SHIFT) 2763f1ae32a1SGerd Hoffmann & TRB_CR_EPID_MASK; 2764024426acSGerd Hoffmann unsigned int streamid = (trb.status >> 16) & 0xffff; 2765024426acSGerd Hoffmann event.ccode = xhci_set_ep_dequeue(xhci, slotid, 2766024426acSGerd Hoffmann epid, streamid, 2767f1ae32a1SGerd Hoffmann trb.parameter); 2768f1ae32a1SGerd Hoffmann } 2769f1ae32a1SGerd Hoffmann break; 2770f1ae32a1SGerd Hoffmann case CR_RESET_DEVICE: 2771f1ae32a1SGerd Hoffmann slotid = xhci_get_slot(xhci, &event, &trb); 2772f1ae32a1SGerd Hoffmann if (slotid) { 2773f1ae32a1SGerd Hoffmann event.ccode = xhci_reset_slot(xhci, slotid); 2774f1ae32a1SGerd Hoffmann } 2775f1ae32a1SGerd Hoffmann break; 2776f1ae32a1SGerd Hoffmann case CR_GET_PORT_BANDWIDTH: 2777f1ae32a1SGerd Hoffmann event.ccode = xhci_get_port_bandwidth(xhci, trb.parameter); 2778f1ae32a1SGerd Hoffmann break; 2779f1ae32a1SGerd Hoffmann case CR_VENDOR_VIA_CHALLENGE_RESPONSE: 278059a70ccdSDavid Gibson xhci_via_challenge(xhci, trb.parameter); 2781f1ae32a1SGerd Hoffmann break; 2782f1ae32a1SGerd Hoffmann case CR_VENDOR_NEC_FIRMWARE_REVISION: 2783f1ae32a1SGerd Hoffmann event.type = 48; /* NEC reply */ 2784f1ae32a1SGerd Hoffmann event.length = 0x3025; 2785f1ae32a1SGerd Hoffmann break; 2786f1ae32a1SGerd Hoffmann case CR_VENDOR_NEC_CHALLENGE_RESPONSE: 2787f1ae32a1SGerd Hoffmann { 2788f1ae32a1SGerd Hoffmann uint32_t chi = trb.parameter >> 32; 2789f1ae32a1SGerd Hoffmann uint32_t clo = trb.parameter; 2790f1ae32a1SGerd Hoffmann uint32_t val = xhci_nec_challenge(chi, clo); 2791f1ae32a1SGerd Hoffmann event.length = val & 0xFFFF; 2792f1ae32a1SGerd Hoffmann event.epid = val >> 16; 2793f1ae32a1SGerd Hoffmann slotid = val >> 24; 2794f1ae32a1SGerd Hoffmann event.type = 48; /* NEC reply */ 2795f1ae32a1SGerd Hoffmann } 2796f1ae32a1SGerd Hoffmann break; 2797f1ae32a1SGerd Hoffmann default: 27980ab966cfSGerd Hoffmann trace_usb_xhci_unimplemented("command", type); 2799f1ae32a1SGerd Hoffmann event.ccode = CC_TRB_ERROR; 2800f1ae32a1SGerd Hoffmann break; 2801f1ae32a1SGerd Hoffmann } 2802f1ae32a1SGerd Hoffmann event.slotid = slotid; 28032d1de850SGerd Hoffmann xhci_event(xhci, &event, 0); 2804f1ae32a1SGerd Hoffmann } 2805f1ae32a1SGerd Hoffmann } 2806f1ae32a1SGerd Hoffmann 28076a32f80fSGerd Hoffmann static bool xhci_port_have_device(XHCIPort *port) 28086a32f80fSGerd Hoffmann { 28096a32f80fSGerd Hoffmann if (!port->uport->dev || !port->uport->dev->attached) { 28106a32f80fSGerd Hoffmann return false; /* no device present */ 28116a32f80fSGerd Hoffmann } 28126a32f80fSGerd Hoffmann if (!((1 << port->uport->dev->speed) & port->speedmask)) { 28136a32f80fSGerd Hoffmann return false; /* speed mismatch */ 28146a32f80fSGerd Hoffmann } 28156a32f80fSGerd Hoffmann return true; 28166a32f80fSGerd Hoffmann } 28176a32f80fSGerd Hoffmann 2818f705a362SGerd Hoffmann static void xhci_port_notify(XHCIPort *port, uint32_t bits) 2819f705a362SGerd Hoffmann { 2820f705a362SGerd Hoffmann XHCIEvent ev = { ER_PORT_STATUS_CHANGE, CC_SUCCESS, 2821f705a362SGerd Hoffmann port->portnr << 24 }; 2822f705a362SGerd Hoffmann 2823f705a362SGerd Hoffmann if ((port->portsc & bits) == bits) { 2824f705a362SGerd Hoffmann return; 2825f705a362SGerd Hoffmann } 2826bdfce20dSGerd Hoffmann trace_usb_xhci_port_notify(port->portnr, bits); 2827f705a362SGerd Hoffmann port->portsc |= bits; 2828f705a362SGerd Hoffmann if (!xhci_running(port->xhci)) { 2829f705a362SGerd Hoffmann return; 2830f705a362SGerd Hoffmann } 2831f705a362SGerd Hoffmann xhci_event(port->xhci, &ev, 0); 2832f705a362SGerd Hoffmann } 2833f705a362SGerd Hoffmann 2834f3214027SGerd Hoffmann static void xhci_port_update(XHCIPort *port, int is_detach) 2835f1ae32a1SGerd Hoffmann { 2836b62b0828SGerd Hoffmann uint32_t pls = PLS_RX_DETECT; 2837b62b0828SGerd Hoffmann 2838f1ae32a1SGerd Hoffmann port->portsc = PORTSC_PP; 28396a32f80fSGerd Hoffmann if (!is_detach && xhci_port_have_device(port)) { 2840f1ae32a1SGerd Hoffmann port->portsc |= PORTSC_CCS; 28410846e635SGerd Hoffmann switch (port->uport->dev->speed) { 2842f1ae32a1SGerd Hoffmann case USB_SPEED_LOW: 2843f1ae32a1SGerd Hoffmann port->portsc |= PORTSC_SPEED_LOW; 2844b62b0828SGerd Hoffmann pls = PLS_POLLING; 2845f1ae32a1SGerd Hoffmann break; 2846f1ae32a1SGerd Hoffmann case USB_SPEED_FULL: 2847f1ae32a1SGerd Hoffmann port->portsc |= PORTSC_SPEED_FULL; 2848b62b0828SGerd Hoffmann pls = PLS_POLLING; 2849f1ae32a1SGerd Hoffmann break; 2850f1ae32a1SGerd Hoffmann case USB_SPEED_HIGH: 2851f1ae32a1SGerd Hoffmann port->portsc |= PORTSC_SPEED_HIGH; 2852b62b0828SGerd Hoffmann pls = PLS_POLLING; 2853f1ae32a1SGerd Hoffmann break; 28540846e635SGerd Hoffmann case USB_SPEED_SUPER: 28550846e635SGerd Hoffmann port->portsc |= PORTSC_SPEED_SUPER; 2856b62b0828SGerd Hoffmann port->portsc |= PORTSC_PED; 2857b62b0828SGerd Hoffmann pls = PLS_U0; 28580846e635SGerd Hoffmann break; 2859f1ae32a1SGerd Hoffmann } 2860f1ae32a1SGerd Hoffmann } 2861b62b0828SGerd Hoffmann set_field(&port->portsc, pls, PORTSC_PLS); 28624f47f0f8SGerd Hoffmann trace_usb_xhci_port_link(port->portnr, pls); 2863f705a362SGerd Hoffmann xhci_port_notify(port, PORTSC_CSC); 2864f1ae32a1SGerd Hoffmann } 2865f1ae32a1SGerd Hoffmann 2866dad5b9eaSGerd Hoffmann static void xhci_port_reset(XHCIPort *port, bool warm_reset) 286740030130SGerd Hoffmann { 28687bd3055fSGerd Hoffmann trace_usb_xhci_port_reset(port->portnr, warm_reset); 28694f47f0f8SGerd Hoffmann 2870b62b0828SGerd Hoffmann if (!xhci_port_have_device(port)) { 2871b62b0828SGerd Hoffmann return; 2872b62b0828SGerd Hoffmann } 2873b62b0828SGerd Hoffmann 287440030130SGerd Hoffmann usb_device_reset(port->uport->dev); 2875b62b0828SGerd Hoffmann 2876b62b0828SGerd Hoffmann switch (port->uport->dev->speed) { 2877dad5b9eaSGerd Hoffmann case USB_SPEED_SUPER: 2878dad5b9eaSGerd Hoffmann if (warm_reset) { 2879dad5b9eaSGerd Hoffmann port->portsc |= PORTSC_WRC; 2880dad5b9eaSGerd Hoffmann } 2881dad5b9eaSGerd Hoffmann /* fall through */ 2882b62b0828SGerd Hoffmann case USB_SPEED_LOW: 2883b62b0828SGerd Hoffmann case USB_SPEED_FULL: 2884b62b0828SGerd Hoffmann case USB_SPEED_HIGH: 2885b62b0828SGerd Hoffmann set_field(&port->portsc, PLS_U0, PORTSC_PLS); 28864f47f0f8SGerd Hoffmann trace_usb_xhci_port_link(port->portnr, PLS_U0); 2887b62b0828SGerd Hoffmann port->portsc |= PORTSC_PED; 2888b62b0828SGerd Hoffmann break; 2889b62b0828SGerd Hoffmann } 2890b62b0828SGerd Hoffmann 2891b62b0828SGerd Hoffmann port->portsc &= ~PORTSC_PR; 2892b62b0828SGerd Hoffmann xhci_port_notify(port, PORTSC_PRC); 289340030130SGerd Hoffmann } 289440030130SGerd Hoffmann 289564619739SJan Kiszka static void xhci_reset(DeviceState *dev) 2896f1ae32a1SGerd Hoffmann { 289737034575SPeter Crosthwaite XHCIState *xhci = XHCI(dev); 2898f1ae32a1SGerd Hoffmann int i; 2899f1ae32a1SGerd Hoffmann 29002d754a10SGerd Hoffmann trace_usb_xhci_reset(); 2901f1ae32a1SGerd Hoffmann if (!(xhci->usbsts & USBSTS_HCH)) { 2902d6bb65fcSGerd Hoffmann DPRINTF("xhci: reset while running!\n"); 2903f1ae32a1SGerd Hoffmann } 2904f1ae32a1SGerd Hoffmann 2905f1ae32a1SGerd Hoffmann xhci->usbcmd = 0; 2906f1ae32a1SGerd Hoffmann xhci->usbsts = USBSTS_HCH; 2907f1ae32a1SGerd Hoffmann xhci->dnctrl = 0; 2908f1ae32a1SGerd Hoffmann xhci->crcr_low = 0; 2909f1ae32a1SGerd Hoffmann xhci->crcr_high = 0; 2910f1ae32a1SGerd Hoffmann xhci->dcbaap_low = 0; 2911f1ae32a1SGerd Hoffmann xhci->dcbaap_high = 0; 2912f1ae32a1SGerd Hoffmann xhci->config = 0; 2913f1ae32a1SGerd Hoffmann 291491062ae0SGerd Hoffmann for (i = 0; i < xhci->numslots; i++) { 2915f1ae32a1SGerd Hoffmann xhci_disable_slot(xhci, i+1); 2916f1ae32a1SGerd Hoffmann } 2917f1ae32a1SGerd Hoffmann 29180846e635SGerd Hoffmann for (i = 0; i < xhci->numports; i++) { 2919f3214027SGerd Hoffmann xhci_port_update(xhci->ports + i, 0); 2920f1ae32a1SGerd Hoffmann } 2921f1ae32a1SGerd Hoffmann 292291062ae0SGerd Hoffmann for (i = 0; i < xhci->numintrs; i++) { 2923962d11e1SGerd Hoffmann xhci->intr[i].iman = 0; 2924962d11e1SGerd Hoffmann xhci->intr[i].imod = 0; 2925962d11e1SGerd Hoffmann xhci->intr[i].erstsz = 0; 2926962d11e1SGerd Hoffmann xhci->intr[i].erstba_low = 0; 2927962d11e1SGerd Hoffmann xhci->intr[i].erstba_high = 0; 2928962d11e1SGerd Hoffmann xhci->intr[i].erdp_low = 0; 2929962d11e1SGerd Hoffmann xhci->intr[i].erdp_high = 0; 2930962d11e1SGerd Hoffmann xhci->intr[i].msix_used = 0; 2931f1ae32a1SGerd Hoffmann 2932962d11e1SGerd Hoffmann xhci->intr[i].er_ep_idx = 0; 2933962d11e1SGerd Hoffmann xhci->intr[i].er_pcs = 1; 2934962d11e1SGerd Hoffmann xhci->intr[i].er_full = 0; 2935962d11e1SGerd Hoffmann xhci->intr[i].ev_buffer_put = 0; 2936962d11e1SGerd Hoffmann xhci->intr[i].ev_buffer_get = 0; 2937962d11e1SGerd Hoffmann } 293801546fa6SGerd Hoffmann 2939bc72ad67SAlex Bligh xhci->mfindex_start = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL); 294001546fa6SGerd Hoffmann xhci_mfwrap_update(xhci); 2941f1ae32a1SGerd Hoffmann } 2942f1ae32a1SGerd Hoffmann 2943a8170e5eSAvi Kivity static uint64_t xhci_cap_read(void *ptr, hwaddr reg, unsigned size) 2944f1ae32a1SGerd Hoffmann { 29451b067564SGerd Hoffmann XHCIState *xhci = ptr; 29462d754a10SGerd Hoffmann uint32_t ret; 2947f1ae32a1SGerd Hoffmann 2948f1ae32a1SGerd Hoffmann switch (reg) { 2949f1ae32a1SGerd Hoffmann case 0x00: /* HCIVERSION, CAPLENGTH */ 29502d754a10SGerd Hoffmann ret = 0x01000000 | LEN_CAP; 29512d754a10SGerd Hoffmann break; 2952f1ae32a1SGerd Hoffmann case 0x04: /* HCSPARAMS 1 */ 29530846e635SGerd Hoffmann ret = ((xhci->numports_2+xhci->numports_3)<<24) 295491062ae0SGerd Hoffmann | (xhci->numintrs<<8) | xhci->numslots; 29552d754a10SGerd Hoffmann break; 2956f1ae32a1SGerd Hoffmann case 0x08: /* HCSPARAMS 2 */ 29572d754a10SGerd Hoffmann ret = 0x0000000f; 29582d754a10SGerd Hoffmann break; 2959f1ae32a1SGerd Hoffmann case 0x0c: /* HCSPARAMS 3 */ 29602d754a10SGerd Hoffmann ret = 0x00000000; 29612d754a10SGerd Hoffmann break; 2962f1ae32a1SGerd Hoffmann case 0x10: /* HCCPARAMS */ 29632d754a10SGerd Hoffmann if (sizeof(dma_addr_t) == 4) { 2964024426acSGerd Hoffmann ret = 0x00087000; 29652d754a10SGerd Hoffmann } else { 2966024426acSGerd Hoffmann ret = 0x00087001; 29672d754a10SGerd Hoffmann } 29682d754a10SGerd Hoffmann break; 2969f1ae32a1SGerd Hoffmann case 0x14: /* DBOFF */ 29702d754a10SGerd Hoffmann ret = OFF_DOORBELL; 29712d754a10SGerd Hoffmann break; 2972f1ae32a1SGerd Hoffmann case 0x18: /* RTSOFF */ 29732d754a10SGerd Hoffmann ret = OFF_RUNTIME; 29742d754a10SGerd Hoffmann break; 2975f1ae32a1SGerd Hoffmann 2976f1ae32a1SGerd Hoffmann /* extended capabilities */ 2977f1ae32a1SGerd Hoffmann case 0x20: /* Supported Protocol:00 */ 29782d754a10SGerd Hoffmann ret = 0x02000402; /* USB 2.0 */ 29792d754a10SGerd Hoffmann break; 2980f1ae32a1SGerd Hoffmann case 0x24: /* Supported Protocol:04 */ 29810ebfb144SGerd Hoffmann ret = 0x20425355; /* "USB " */ 29822d754a10SGerd Hoffmann break; 2983f1ae32a1SGerd Hoffmann case 0x28: /* Supported Protocol:08 */ 29847bafd888SGerd Hoffmann if (xhci_get_flag(xhci, XHCI_FLAG_SS_FIRST)) { 29857bafd888SGerd Hoffmann ret = (xhci->numports_2<<8) | (xhci->numports_3+1); 29867bafd888SGerd Hoffmann } else { 29877bafd888SGerd Hoffmann ret = (xhci->numports_2<<8) | 1; 29887bafd888SGerd Hoffmann } 29892d754a10SGerd Hoffmann break; 2990f1ae32a1SGerd Hoffmann case 0x2c: /* Supported Protocol:0c */ 29912d754a10SGerd Hoffmann ret = 0x00000000; /* reserved */ 29922d754a10SGerd Hoffmann break; 2993f1ae32a1SGerd Hoffmann case 0x30: /* Supported Protocol:00 */ 29942d754a10SGerd Hoffmann ret = 0x03000002; /* USB 3.0 */ 29952d754a10SGerd Hoffmann break; 2996f1ae32a1SGerd Hoffmann case 0x34: /* Supported Protocol:04 */ 29970ebfb144SGerd Hoffmann ret = 0x20425355; /* "USB " */ 29982d754a10SGerd Hoffmann break; 2999f1ae32a1SGerd Hoffmann case 0x38: /* Supported Protocol:08 */ 30007bafd888SGerd Hoffmann if (xhci_get_flag(xhci, XHCI_FLAG_SS_FIRST)) { 30017bafd888SGerd Hoffmann ret = (xhci->numports_3<<8) | 1; 30027bafd888SGerd Hoffmann } else { 30037bafd888SGerd Hoffmann ret = (xhci->numports_3<<8) | (xhci->numports_2+1); 30047bafd888SGerd Hoffmann } 30052d754a10SGerd Hoffmann break; 3006f1ae32a1SGerd Hoffmann case 0x3c: /* Supported Protocol:0c */ 30072d754a10SGerd Hoffmann ret = 0x00000000; /* reserved */ 30082d754a10SGerd Hoffmann break; 3009f1ae32a1SGerd Hoffmann default: 30100ab966cfSGerd Hoffmann trace_usb_xhci_unimplemented("cap read", reg); 30112d754a10SGerd Hoffmann ret = 0; 3012f1ae32a1SGerd Hoffmann } 30132d754a10SGerd Hoffmann 30142d754a10SGerd Hoffmann trace_usb_xhci_cap_read(reg, ret); 30152d754a10SGerd Hoffmann return ret; 3016f1ae32a1SGerd Hoffmann } 3017f1ae32a1SGerd Hoffmann 3018a8170e5eSAvi Kivity static uint64_t xhci_port_read(void *ptr, hwaddr reg, unsigned size) 3019f1ae32a1SGerd Hoffmann { 30201d8a4e69SGerd Hoffmann XHCIPort *port = ptr; 30212d754a10SGerd Hoffmann uint32_t ret; 30222d754a10SGerd Hoffmann 30231d8a4e69SGerd Hoffmann switch (reg) { 3024f1ae32a1SGerd Hoffmann case 0x00: /* PORTSC */ 30251d8a4e69SGerd Hoffmann ret = port->portsc; 30262d754a10SGerd Hoffmann break; 3027f1ae32a1SGerd Hoffmann case 0x04: /* PORTPMSC */ 3028f1ae32a1SGerd Hoffmann case 0x08: /* PORTLI */ 30292d754a10SGerd Hoffmann ret = 0; 30302d754a10SGerd Hoffmann break; 3031f1ae32a1SGerd Hoffmann case 0x0c: /* reserved */ 3032f1ae32a1SGerd Hoffmann default: 30330ab966cfSGerd Hoffmann trace_usb_xhci_unimplemented("port read", reg); 30342d754a10SGerd Hoffmann ret = 0; 3035f1ae32a1SGerd Hoffmann } 30362d754a10SGerd Hoffmann 30371d8a4e69SGerd Hoffmann trace_usb_xhci_port_read(port->portnr, reg, ret); 30382d754a10SGerd Hoffmann return ret; 3039f1ae32a1SGerd Hoffmann } 3040f1ae32a1SGerd Hoffmann 3041a8170e5eSAvi Kivity static void xhci_port_write(void *ptr, hwaddr reg, 30421d8a4e69SGerd Hoffmann uint64_t val, unsigned size) 3043f1ae32a1SGerd Hoffmann { 30441d8a4e69SGerd Hoffmann XHCIPort *port = ptr; 3045bdfce20dSGerd Hoffmann uint32_t portsc, notify; 3046f1ae32a1SGerd Hoffmann 30471d8a4e69SGerd Hoffmann trace_usb_xhci_port_write(port->portnr, reg, val); 30482d754a10SGerd Hoffmann 30491d8a4e69SGerd Hoffmann switch (reg) { 3050f1ae32a1SGerd Hoffmann case 0x00: /* PORTSC */ 3051bdfce20dSGerd Hoffmann /* write-1-to-start bits */ 3052dad5b9eaSGerd Hoffmann if (val & PORTSC_WPR) { 3053dad5b9eaSGerd Hoffmann xhci_port_reset(port, true); 3054dad5b9eaSGerd Hoffmann break; 3055dad5b9eaSGerd Hoffmann } 3056bdfce20dSGerd Hoffmann if (val & PORTSC_PR) { 3057dad5b9eaSGerd Hoffmann xhci_port_reset(port, false); 3058bdfce20dSGerd Hoffmann break; 3059bdfce20dSGerd Hoffmann } 3060bdfce20dSGerd Hoffmann 30611d8a4e69SGerd Hoffmann portsc = port->portsc; 3062bdfce20dSGerd Hoffmann notify = 0; 3063f1ae32a1SGerd Hoffmann /* write-1-to-clear bits*/ 3064f1ae32a1SGerd Hoffmann portsc &= ~(val & (PORTSC_CSC|PORTSC_PEC|PORTSC_WRC|PORTSC_OCC| 3065f1ae32a1SGerd Hoffmann PORTSC_PRC|PORTSC_PLC|PORTSC_CEC)); 3066f1ae32a1SGerd Hoffmann if (val & PORTSC_LWS) { 3067f1ae32a1SGerd Hoffmann /* overwrite PLS only when LWS=1 */ 3068bdfce20dSGerd Hoffmann uint32_t old_pls = get_field(port->portsc, PORTSC_PLS); 3069bdfce20dSGerd Hoffmann uint32_t new_pls = get_field(val, PORTSC_PLS); 3070bdfce20dSGerd Hoffmann switch (new_pls) { 3071bdfce20dSGerd Hoffmann case PLS_U0: 3072bdfce20dSGerd Hoffmann if (old_pls != PLS_U0) { 3073bdfce20dSGerd Hoffmann set_field(&portsc, new_pls, PORTSC_PLS); 3074bdfce20dSGerd Hoffmann trace_usb_xhci_port_link(port->portnr, new_pls); 3075bdfce20dSGerd Hoffmann notify = PORTSC_PLC; 3076bdfce20dSGerd Hoffmann } 3077bdfce20dSGerd Hoffmann break; 3078bdfce20dSGerd Hoffmann case PLS_U3: 3079bdfce20dSGerd Hoffmann if (old_pls < PLS_U3) { 3080bdfce20dSGerd Hoffmann set_field(&portsc, new_pls, PORTSC_PLS); 3081bdfce20dSGerd Hoffmann trace_usb_xhci_port_link(port->portnr, new_pls); 3082bdfce20dSGerd Hoffmann } 3083bdfce20dSGerd Hoffmann break; 3084bdfce20dSGerd Hoffmann case PLS_RESUME: 3085bdfce20dSGerd Hoffmann /* windows does this for some reason, don't spam stderr */ 3086bdfce20dSGerd Hoffmann break; 3087bdfce20dSGerd Hoffmann default: 3088d6bb65fcSGerd Hoffmann DPRINTF("%s: ignore pls write (old %d, new %d)\n", 3089bdfce20dSGerd Hoffmann __func__, old_pls, new_pls); 3090bdfce20dSGerd Hoffmann break; 3091bdfce20dSGerd Hoffmann } 3092f1ae32a1SGerd Hoffmann } 3093f1ae32a1SGerd Hoffmann /* read/write bits */ 3094f1ae32a1SGerd Hoffmann portsc &= ~(PORTSC_PP|PORTSC_WCE|PORTSC_WDE|PORTSC_WOE); 3095f1ae32a1SGerd Hoffmann portsc |= (val & (PORTSC_PP|PORTSC_WCE|PORTSC_WDE|PORTSC_WOE)); 309640030130SGerd Hoffmann port->portsc = portsc; 3097bdfce20dSGerd Hoffmann if (notify) { 3098bdfce20dSGerd Hoffmann xhci_port_notify(port, notify); 3099f1ae32a1SGerd Hoffmann } 3100f1ae32a1SGerd Hoffmann break; 3101f1ae32a1SGerd Hoffmann case 0x04: /* PORTPMSC */ 3102f1ae32a1SGerd Hoffmann case 0x08: /* PORTLI */ 3103f1ae32a1SGerd Hoffmann default: 31040ab966cfSGerd Hoffmann trace_usb_xhci_unimplemented("port write", reg); 3105f1ae32a1SGerd Hoffmann } 3106f1ae32a1SGerd Hoffmann } 3107f1ae32a1SGerd Hoffmann 3108a8170e5eSAvi Kivity static uint64_t xhci_oper_read(void *ptr, hwaddr reg, unsigned size) 3109f1ae32a1SGerd Hoffmann { 31101b067564SGerd Hoffmann XHCIState *xhci = ptr; 31112d754a10SGerd Hoffmann uint32_t ret; 3112f1ae32a1SGerd Hoffmann 3113f1ae32a1SGerd Hoffmann switch (reg) { 3114f1ae32a1SGerd Hoffmann case 0x00: /* USBCMD */ 31152d754a10SGerd Hoffmann ret = xhci->usbcmd; 31162d754a10SGerd Hoffmann break; 3117f1ae32a1SGerd Hoffmann case 0x04: /* USBSTS */ 31182d754a10SGerd Hoffmann ret = xhci->usbsts; 31192d754a10SGerd Hoffmann break; 3120f1ae32a1SGerd Hoffmann case 0x08: /* PAGESIZE */ 31212d754a10SGerd Hoffmann ret = 1; /* 4KiB */ 31222d754a10SGerd Hoffmann break; 3123f1ae32a1SGerd Hoffmann case 0x14: /* DNCTRL */ 31242d754a10SGerd Hoffmann ret = xhci->dnctrl; 31252d754a10SGerd Hoffmann break; 3126f1ae32a1SGerd Hoffmann case 0x18: /* CRCR low */ 31272d754a10SGerd Hoffmann ret = xhci->crcr_low & ~0xe; 31282d754a10SGerd Hoffmann break; 3129f1ae32a1SGerd Hoffmann case 0x1c: /* CRCR high */ 31302d754a10SGerd Hoffmann ret = xhci->crcr_high; 31312d754a10SGerd Hoffmann break; 3132f1ae32a1SGerd Hoffmann case 0x30: /* DCBAAP low */ 31332d754a10SGerd Hoffmann ret = xhci->dcbaap_low; 31342d754a10SGerd Hoffmann break; 3135f1ae32a1SGerd Hoffmann case 0x34: /* DCBAAP high */ 31362d754a10SGerd Hoffmann ret = xhci->dcbaap_high; 31372d754a10SGerd Hoffmann break; 3138f1ae32a1SGerd Hoffmann case 0x38: /* CONFIG */ 31392d754a10SGerd Hoffmann ret = xhci->config; 31402d754a10SGerd Hoffmann break; 3141f1ae32a1SGerd Hoffmann default: 31420ab966cfSGerd Hoffmann trace_usb_xhci_unimplemented("oper read", reg); 31432d754a10SGerd Hoffmann ret = 0; 3144f1ae32a1SGerd Hoffmann } 31452d754a10SGerd Hoffmann 31462d754a10SGerd Hoffmann trace_usb_xhci_oper_read(reg, ret); 31472d754a10SGerd Hoffmann return ret; 3148f1ae32a1SGerd Hoffmann } 3149f1ae32a1SGerd Hoffmann 3150a8170e5eSAvi Kivity static void xhci_oper_write(void *ptr, hwaddr reg, 31511b067564SGerd Hoffmann uint64_t val, unsigned size) 3152f1ae32a1SGerd Hoffmann { 31531b067564SGerd Hoffmann XHCIState *xhci = ptr; 315437034575SPeter Crosthwaite DeviceState *d = DEVICE(ptr); 31551b067564SGerd Hoffmann 31562d754a10SGerd Hoffmann trace_usb_xhci_oper_write(reg, val); 31572d754a10SGerd Hoffmann 3158f1ae32a1SGerd Hoffmann switch (reg) { 3159f1ae32a1SGerd Hoffmann case 0x00: /* USBCMD */ 3160f1ae32a1SGerd Hoffmann if ((val & USBCMD_RS) && !(xhci->usbcmd & USBCMD_RS)) { 3161f1ae32a1SGerd Hoffmann xhci_run(xhci); 3162f1ae32a1SGerd Hoffmann } else if (!(val & USBCMD_RS) && (xhci->usbcmd & USBCMD_RS)) { 3163f1ae32a1SGerd Hoffmann xhci_stop(xhci); 3164f1ae32a1SGerd Hoffmann } 3165f1f8bc21SGerd Hoffmann if (val & USBCMD_CSS) { 3166f1f8bc21SGerd Hoffmann /* save state */ 3167f1f8bc21SGerd Hoffmann xhci->usbsts &= ~USBSTS_SRE; 3168f1f8bc21SGerd Hoffmann } 3169f1f8bc21SGerd Hoffmann if (val & USBCMD_CRS) { 3170f1f8bc21SGerd Hoffmann /* restore state */ 3171f1f8bc21SGerd Hoffmann xhci->usbsts |= USBSTS_SRE; 3172f1f8bc21SGerd Hoffmann } 3173f1ae32a1SGerd Hoffmann xhci->usbcmd = val & 0xc0f; 317401546fa6SGerd Hoffmann xhci_mfwrap_update(xhci); 3175f1ae32a1SGerd Hoffmann if (val & USBCMD_HCRST) { 317637034575SPeter Crosthwaite xhci_reset(d); 3177f1ae32a1SGerd Hoffmann } 31784c4abe7cSGerd Hoffmann xhci_intx_update(xhci); 3179f1ae32a1SGerd Hoffmann break; 3180f1ae32a1SGerd Hoffmann 3181f1ae32a1SGerd Hoffmann case 0x04: /* USBSTS */ 3182f1ae32a1SGerd Hoffmann /* these bits are write-1-to-clear */ 3183f1ae32a1SGerd Hoffmann xhci->usbsts &= ~(val & (USBSTS_HSE|USBSTS_EINT|USBSTS_PCD|USBSTS_SRE)); 31844c4abe7cSGerd Hoffmann xhci_intx_update(xhci); 3185f1ae32a1SGerd Hoffmann break; 3186f1ae32a1SGerd Hoffmann 3187f1ae32a1SGerd Hoffmann case 0x14: /* DNCTRL */ 3188f1ae32a1SGerd Hoffmann xhci->dnctrl = val & 0xffff; 3189f1ae32a1SGerd Hoffmann break; 3190f1ae32a1SGerd Hoffmann case 0x18: /* CRCR low */ 3191f1ae32a1SGerd Hoffmann xhci->crcr_low = (val & 0xffffffcf) | (xhci->crcr_low & CRCR_CRR); 3192f1ae32a1SGerd Hoffmann break; 3193f1ae32a1SGerd Hoffmann case 0x1c: /* CRCR high */ 3194f1ae32a1SGerd Hoffmann xhci->crcr_high = val; 3195f1ae32a1SGerd Hoffmann if (xhci->crcr_low & (CRCR_CA|CRCR_CS) && (xhci->crcr_low & CRCR_CRR)) { 3196f1ae32a1SGerd Hoffmann XHCIEvent event = {ER_COMMAND_COMPLETE, CC_COMMAND_RING_STOPPED}; 3197f1ae32a1SGerd Hoffmann xhci->crcr_low &= ~CRCR_CRR; 31982d1de850SGerd Hoffmann xhci_event(xhci, &event, 0); 3199f1ae32a1SGerd Hoffmann DPRINTF("xhci: command ring stopped (CRCR=%08x)\n", xhci->crcr_low); 3200f1ae32a1SGerd Hoffmann } else { 320159a70ccdSDavid Gibson dma_addr_t base = xhci_addr64(xhci->crcr_low & ~0x3f, val); 3202f1ae32a1SGerd Hoffmann xhci_ring_init(xhci, &xhci->cmd_ring, base); 3203f1ae32a1SGerd Hoffmann } 3204f1ae32a1SGerd Hoffmann xhci->crcr_low &= ~(CRCR_CA | CRCR_CS); 3205f1ae32a1SGerd Hoffmann break; 3206f1ae32a1SGerd Hoffmann case 0x30: /* DCBAAP low */ 3207f1ae32a1SGerd Hoffmann xhci->dcbaap_low = val & 0xffffffc0; 3208f1ae32a1SGerd Hoffmann break; 3209f1ae32a1SGerd Hoffmann case 0x34: /* DCBAAP high */ 3210f1ae32a1SGerd Hoffmann xhci->dcbaap_high = val; 3211f1ae32a1SGerd Hoffmann break; 3212f1ae32a1SGerd Hoffmann case 0x38: /* CONFIG */ 3213f1ae32a1SGerd Hoffmann xhci->config = val & 0xff; 3214f1ae32a1SGerd Hoffmann break; 3215f1ae32a1SGerd Hoffmann default: 32160ab966cfSGerd Hoffmann trace_usb_xhci_unimplemented("oper write", reg); 3217f1ae32a1SGerd Hoffmann } 3218f1ae32a1SGerd Hoffmann } 3219f1ae32a1SGerd Hoffmann 3220a8170e5eSAvi Kivity static uint64_t xhci_runtime_read(void *ptr, hwaddr reg, 32211b067564SGerd Hoffmann unsigned size) 3222f1ae32a1SGerd Hoffmann { 32231b067564SGerd Hoffmann XHCIState *xhci = ptr; 322443d9d604SGerd Hoffmann uint32_t ret = 0; 3225f1ae32a1SGerd Hoffmann 322643d9d604SGerd Hoffmann if (reg < 0x20) { 3227f1ae32a1SGerd Hoffmann switch (reg) { 3228f1ae32a1SGerd Hoffmann case 0x00: /* MFINDEX */ 322901546fa6SGerd Hoffmann ret = xhci_mfindex_get(xhci) & 0x3fff; 32302d754a10SGerd Hoffmann break; 3231f1ae32a1SGerd Hoffmann default: 32320ab966cfSGerd Hoffmann trace_usb_xhci_unimplemented("runtime read", reg); 323343d9d604SGerd Hoffmann break; 323443d9d604SGerd Hoffmann } 323543d9d604SGerd Hoffmann } else { 323643d9d604SGerd Hoffmann int v = (reg - 0x20) / 0x20; 323743d9d604SGerd Hoffmann XHCIInterrupter *intr = &xhci->intr[v]; 323843d9d604SGerd Hoffmann switch (reg & 0x1f) { 323943d9d604SGerd Hoffmann case 0x00: /* IMAN */ 324043d9d604SGerd Hoffmann ret = intr->iman; 324143d9d604SGerd Hoffmann break; 324243d9d604SGerd Hoffmann case 0x04: /* IMOD */ 324343d9d604SGerd Hoffmann ret = intr->imod; 324443d9d604SGerd Hoffmann break; 324543d9d604SGerd Hoffmann case 0x08: /* ERSTSZ */ 324643d9d604SGerd Hoffmann ret = intr->erstsz; 324743d9d604SGerd Hoffmann break; 324843d9d604SGerd Hoffmann case 0x10: /* ERSTBA low */ 324943d9d604SGerd Hoffmann ret = intr->erstba_low; 325043d9d604SGerd Hoffmann break; 325143d9d604SGerd Hoffmann case 0x14: /* ERSTBA high */ 325243d9d604SGerd Hoffmann ret = intr->erstba_high; 325343d9d604SGerd Hoffmann break; 325443d9d604SGerd Hoffmann case 0x18: /* ERDP low */ 325543d9d604SGerd Hoffmann ret = intr->erdp_low; 325643d9d604SGerd Hoffmann break; 325743d9d604SGerd Hoffmann case 0x1c: /* ERDP high */ 325843d9d604SGerd Hoffmann ret = intr->erdp_high; 325943d9d604SGerd Hoffmann break; 326043d9d604SGerd Hoffmann } 3261f1ae32a1SGerd Hoffmann } 32622d754a10SGerd Hoffmann 32632d754a10SGerd Hoffmann trace_usb_xhci_runtime_read(reg, ret); 32642d754a10SGerd Hoffmann return ret; 3265f1ae32a1SGerd Hoffmann } 3266f1ae32a1SGerd Hoffmann 3267a8170e5eSAvi Kivity static void xhci_runtime_write(void *ptr, hwaddr reg, 32681b067564SGerd Hoffmann uint64_t val, unsigned size) 3269f1ae32a1SGerd Hoffmann { 32701b067564SGerd Hoffmann XHCIState *xhci = ptr; 327143d9d604SGerd Hoffmann int v = (reg - 0x20) / 0x20; 327243d9d604SGerd Hoffmann XHCIInterrupter *intr = &xhci->intr[v]; 32738e9f18b6SGerd Hoffmann trace_usb_xhci_runtime_write(reg, val); 3274f1ae32a1SGerd Hoffmann 327543d9d604SGerd Hoffmann if (reg < 0x20) { 32760ab966cfSGerd Hoffmann trace_usb_xhci_unimplemented("runtime write", reg); 327743d9d604SGerd Hoffmann return; 327843d9d604SGerd Hoffmann } 327943d9d604SGerd Hoffmann 328043d9d604SGerd Hoffmann switch (reg & 0x1f) { 328143d9d604SGerd Hoffmann case 0x00: /* IMAN */ 3282f1ae32a1SGerd Hoffmann if (val & IMAN_IP) { 3283962d11e1SGerd Hoffmann intr->iman &= ~IMAN_IP; 3284f1ae32a1SGerd Hoffmann } 3285962d11e1SGerd Hoffmann intr->iman &= ~IMAN_IE; 3286962d11e1SGerd Hoffmann intr->iman |= val & IMAN_IE; 328743d9d604SGerd Hoffmann if (v == 0) { 32884c4abe7cSGerd Hoffmann xhci_intx_update(xhci); 328943d9d604SGerd Hoffmann } 329043d9d604SGerd Hoffmann xhci_msix_update(xhci, v); 3291f1ae32a1SGerd Hoffmann break; 329243d9d604SGerd Hoffmann case 0x04: /* IMOD */ 3293962d11e1SGerd Hoffmann intr->imod = val; 3294f1ae32a1SGerd Hoffmann break; 329543d9d604SGerd Hoffmann case 0x08: /* ERSTSZ */ 3296962d11e1SGerd Hoffmann intr->erstsz = val & 0xffff; 3297f1ae32a1SGerd Hoffmann break; 329843d9d604SGerd Hoffmann case 0x10: /* ERSTBA low */ 3299f1ae32a1SGerd Hoffmann /* XXX NEC driver bug: it doesn't align this to 64 bytes 3300962d11e1SGerd Hoffmann intr->erstba_low = val & 0xffffffc0; */ 3301962d11e1SGerd Hoffmann intr->erstba_low = val & 0xfffffff0; 3302f1ae32a1SGerd Hoffmann break; 330343d9d604SGerd Hoffmann case 0x14: /* ERSTBA high */ 3304962d11e1SGerd Hoffmann intr->erstba_high = val; 330543d9d604SGerd Hoffmann xhci_er_reset(xhci, v); 3306f1ae32a1SGerd Hoffmann break; 330743d9d604SGerd Hoffmann case 0x18: /* ERDP low */ 3308f1ae32a1SGerd Hoffmann if (val & ERDP_EHB) { 3309962d11e1SGerd Hoffmann intr->erdp_low &= ~ERDP_EHB; 3310f1ae32a1SGerd Hoffmann } 3311962d11e1SGerd Hoffmann intr->erdp_low = (val & ~ERDP_EHB) | (intr->erdp_low & ERDP_EHB); 3312f1ae32a1SGerd Hoffmann break; 331343d9d604SGerd Hoffmann case 0x1c: /* ERDP high */ 3314962d11e1SGerd Hoffmann intr->erdp_high = val; 331543d9d604SGerd Hoffmann xhci_events_update(xhci, v); 3316f1ae32a1SGerd Hoffmann break; 3317f1ae32a1SGerd Hoffmann default: 33180ab966cfSGerd Hoffmann trace_usb_xhci_unimplemented("oper write", reg); 3319f1ae32a1SGerd Hoffmann } 3320f1ae32a1SGerd Hoffmann } 3321f1ae32a1SGerd Hoffmann 3322a8170e5eSAvi Kivity static uint64_t xhci_doorbell_read(void *ptr, hwaddr reg, 33231b067564SGerd Hoffmann unsigned size) 3324f1ae32a1SGerd Hoffmann { 3325f1ae32a1SGerd Hoffmann /* doorbells always read as 0 */ 33262d754a10SGerd Hoffmann trace_usb_xhci_doorbell_read(reg, 0); 3327f1ae32a1SGerd Hoffmann return 0; 3328f1ae32a1SGerd Hoffmann } 3329f1ae32a1SGerd Hoffmann 3330a8170e5eSAvi Kivity static void xhci_doorbell_write(void *ptr, hwaddr reg, 33311b067564SGerd Hoffmann uint64_t val, unsigned size) 3332f1ae32a1SGerd Hoffmann { 33331b067564SGerd Hoffmann XHCIState *xhci = ptr; 3334024426acSGerd Hoffmann unsigned int epid, streamid; 33351b067564SGerd Hoffmann 33362d754a10SGerd Hoffmann trace_usb_xhci_doorbell_write(reg, val); 3337f1ae32a1SGerd Hoffmann 3338f1ae32a1SGerd Hoffmann if (!xhci_running(xhci)) { 3339d6bb65fcSGerd Hoffmann DPRINTF("xhci: wrote doorbell while xHC stopped or paused\n"); 3340f1ae32a1SGerd Hoffmann return; 3341f1ae32a1SGerd Hoffmann } 3342f1ae32a1SGerd Hoffmann 3343f1ae32a1SGerd Hoffmann reg >>= 2; 3344f1ae32a1SGerd Hoffmann 3345f1ae32a1SGerd Hoffmann if (reg == 0) { 3346f1ae32a1SGerd Hoffmann if (val == 0) { 3347f1ae32a1SGerd Hoffmann xhci_process_commands(xhci); 3348f1ae32a1SGerd Hoffmann } else { 3349d6bb65fcSGerd Hoffmann DPRINTF("xhci: bad doorbell 0 write: 0x%x\n", 33501b067564SGerd Hoffmann (uint32_t)val); 3351f1ae32a1SGerd Hoffmann } 3352f1ae32a1SGerd Hoffmann } else { 3353024426acSGerd Hoffmann epid = val & 0xff; 3354024426acSGerd Hoffmann streamid = (val >> 16) & 0xffff; 335591062ae0SGerd Hoffmann if (reg > xhci->numslots) { 3356d6bb65fcSGerd Hoffmann DPRINTF("xhci: bad doorbell %d\n", (int)reg); 3357024426acSGerd Hoffmann } else if (epid > 31) { 3358d6bb65fcSGerd Hoffmann DPRINTF("xhci: bad doorbell %d write: 0x%x\n", 33591b067564SGerd Hoffmann (int)reg, (uint32_t)val); 3360f1ae32a1SGerd Hoffmann } else { 3361024426acSGerd Hoffmann xhci_kick_ep(xhci, reg, epid, streamid); 3362f1ae32a1SGerd Hoffmann } 3363f1ae32a1SGerd Hoffmann } 3364f1ae32a1SGerd Hoffmann } 3365f1ae32a1SGerd Hoffmann 33666d3bc22eSGerd Hoffmann static void xhci_cap_write(void *opaque, hwaddr addr, uint64_t val, 33676d3bc22eSGerd Hoffmann unsigned width) 33686d3bc22eSGerd Hoffmann { 33696d3bc22eSGerd Hoffmann /* nothing */ 33706d3bc22eSGerd Hoffmann } 33716d3bc22eSGerd Hoffmann 33721b067564SGerd Hoffmann static const MemoryRegionOps xhci_cap_ops = { 33731b067564SGerd Hoffmann .read = xhci_cap_read, 33746d3bc22eSGerd Hoffmann .write = xhci_cap_write, 33756ee021d4SGerd Hoffmann .valid.min_access_size = 1, 33761b067564SGerd Hoffmann .valid.max_access_size = 4, 33776ee021d4SGerd Hoffmann .impl.min_access_size = 4, 33786ee021d4SGerd Hoffmann .impl.max_access_size = 4, 33791b067564SGerd Hoffmann .endianness = DEVICE_LITTLE_ENDIAN, 33801b067564SGerd Hoffmann }; 3381f1ae32a1SGerd Hoffmann 33821b067564SGerd Hoffmann static const MemoryRegionOps xhci_oper_ops = { 33831b067564SGerd Hoffmann .read = xhci_oper_read, 33841b067564SGerd Hoffmann .write = xhci_oper_write, 33851b067564SGerd Hoffmann .valid.min_access_size = 4, 33861b067564SGerd Hoffmann .valid.max_access_size = 4, 33871b067564SGerd Hoffmann .endianness = DEVICE_LITTLE_ENDIAN, 33881b067564SGerd Hoffmann }; 3389f1ae32a1SGerd Hoffmann 33901d8a4e69SGerd Hoffmann static const MemoryRegionOps xhci_port_ops = { 33911d8a4e69SGerd Hoffmann .read = xhci_port_read, 33921d8a4e69SGerd Hoffmann .write = xhci_port_write, 33931d8a4e69SGerd Hoffmann .valid.min_access_size = 4, 33941d8a4e69SGerd Hoffmann .valid.max_access_size = 4, 33951d8a4e69SGerd Hoffmann .endianness = DEVICE_LITTLE_ENDIAN, 33961d8a4e69SGerd Hoffmann }; 33971d8a4e69SGerd Hoffmann 33981b067564SGerd Hoffmann static const MemoryRegionOps xhci_runtime_ops = { 33991b067564SGerd Hoffmann .read = xhci_runtime_read, 34001b067564SGerd Hoffmann .write = xhci_runtime_write, 34011b067564SGerd Hoffmann .valid.min_access_size = 4, 34021b067564SGerd Hoffmann .valid.max_access_size = 4, 34031b067564SGerd Hoffmann .endianness = DEVICE_LITTLE_ENDIAN, 34041b067564SGerd Hoffmann }; 3405f1ae32a1SGerd Hoffmann 34061b067564SGerd Hoffmann static const MemoryRegionOps xhci_doorbell_ops = { 34071b067564SGerd Hoffmann .read = xhci_doorbell_read, 34081b067564SGerd Hoffmann .write = xhci_doorbell_write, 3409f1ae32a1SGerd Hoffmann .valid.min_access_size = 4, 3410f1ae32a1SGerd Hoffmann .valid.max_access_size = 4, 3411f1ae32a1SGerd Hoffmann .endianness = DEVICE_LITTLE_ENDIAN, 3412f1ae32a1SGerd Hoffmann }; 3413f1ae32a1SGerd Hoffmann 3414f1ae32a1SGerd Hoffmann static void xhci_attach(USBPort *usbport) 3415f1ae32a1SGerd Hoffmann { 3416f1ae32a1SGerd Hoffmann XHCIState *xhci = usbport->opaque; 34170846e635SGerd Hoffmann XHCIPort *port = xhci_lookup_port(xhci, usbport); 3418f1ae32a1SGerd Hoffmann 3419f3214027SGerd Hoffmann xhci_port_update(port, 0); 3420f1ae32a1SGerd Hoffmann } 3421f1ae32a1SGerd Hoffmann 3422f1ae32a1SGerd Hoffmann static void xhci_detach(USBPort *usbport) 3423f1ae32a1SGerd Hoffmann { 3424f1ae32a1SGerd Hoffmann XHCIState *xhci = usbport->opaque; 34250846e635SGerd Hoffmann XHCIPort *port = xhci_lookup_port(xhci, usbport); 3426f1ae32a1SGerd Hoffmann 3427f3dcf638SGerd Hoffmann xhci_detach_slot(xhci, usbport); 3428f3214027SGerd Hoffmann xhci_port_update(port, 1); 3429f1ae32a1SGerd Hoffmann } 3430f1ae32a1SGerd Hoffmann 3431f1ae32a1SGerd Hoffmann static void xhci_wakeup(USBPort *usbport) 3432f1ae32a1SGerd Hoffmann { 3433f1ae32a1SGerd Hoffmann XHCIState *xhci = usbport->opaque; 34340846e635SGerd Hoffmann XHCIPort *port = xhci_lookup_port(xhci, usbport); 3435f1ae32a1SGerd Hoffmann 343685e05d82SGerd Hoffmann if (get_field(port->portsc, PORTSC_PLS) != PLS_U3) { 3437f1ae32a1SGerd Hoffmann return; 3438f1ae32a1SGerd Hoffmann } 343985e05d82SGerd Hoffmann set_field(&port->portsc, PLS_RESUME, PORTSC_PLS); 3440f705a362SGerd Hoffmann xhci_port_notify(port, PORTSC_PLC); 3441f1ae32a1SGerd Hoffmann } 3442f1ae32a1SGerd Hoffmann 3443f1ae32a1SGerd Hoffmann static void xhci_complete(USBPort *port, USBPacket *packet) 3444f1ae32a1SGerd Hoffmann { 3445f1ae32a1SGerd Hoffmann XHCITransfer *xfer = container_of(packet, XHCITransfer, packet); 3446f1ae32a1SGerd Hoffmann 34479a77a0f5SHans de Goede if (packet->status == USB_RET_REMOVE_FROM_QUEUE) { 3448582d6f4aSHans de Goede xhci_ep_nuke_one_xfer(xfer, 0); 34490cae7b1aSHans de Goede return; 34500cae7b1aSHans de Goede } 34519a77a0f5SHans de Goede xhci_complete_packet(xfer); 3452024426acSGerd Hoffmann xhci_kick_ep(xfer->xhci, xfer->slotid, xfer->epid, xfer->streamid); 3453f1ae32a1SGerd Hoffmann } 3454f1ae32a1SGerd Hoffmann 3455ccaf87a0SGerd Hoffmann static void xhci_child_detach(USBPort *uport, USBDevice *child) 3456f1ae32a1SGerd Hoffmann { 3457ccaf87a0SGerd Hoffmann USBBus *bus = usb_bus_from_device(child); 3458ccaf87a0SGerd Hoffmann XHCIState *xhci = container_of(bus, XHCIState, bus); 3459ccaf87a0SGerd Hoffmann 3460463c534dSGerd Hoffmann xhci_detach_slot(xhci, child->port); 3461f1ae32a1SGerd Hoffmann } 3462f1ae32a1SGerd Hoffmann 34631d8a4e69SGerd Hoffmann static USBPortOps xhci_uport_ops = { 3464f1ae32a1SGerd Hoffmann .attach = xhci_attach, 3465f1ae32a1SGerd Hoffmann .detach = xhci_detach, 3466f1ae32a1SGerd Hoffmann .wakeup = xhci_wakeup, 3467f1ae32a1SGerd Hoffmann .complete = xhci_complete, 3468f1ae32a1SGerd Hoffmann .child_detach = xhci_child_detach, 3469f1ae32a1SGerd Hoffmann }; 3470f1ae32a1SGerd Hoffmann 3471f1ae32a1SGerd Hoffmann static int xhci_find_epid(USBEndpoint *ep) 3472f1ae32a1SGerd Hoffmann { 3473f1ae32a1SGerd Hoffmann if (ep->nr == 0) { 3474f1ae32a1SGerd Hoffmann return 1; 3475f1ae32a1SGerd Hoffmann } 3476f1ae32a1SGerd Hoffmann if (ep->pid == USB_TOKEN_IN) { 3477f1ae32a1SGerd Hoffmann return ep->nr * 2 + 1; 3478f1ae32a1SGerd Hoffmann } else { 3479f1ae32a1SGerd Hoffmann return ep->nr * 2; 3480f1ae32a1SGerd Hoffmann } 3481f1ae32a1SGerd Hoffmann } 3482f1ae32a1SGerd Hoffmann 3483518ad5f2SHans de Goede static USBEndpoint *xhci_epid_to_usbep(XHCIState *xhci, 3484518ad5f2SHans de Goede unsigned int slotid, unsigned int epid) 3485518ad5f2SHans de Goede { 3486518ad5f2SHans de Goede assert(slotid >= 1 && slotid <= xhci->numslots); 3487518ad5f2SHans de Goede 3488518ad5f2SHans de Goede if (!xhci->slots[slotid - 1].uport) { 3489518ad5f2SHans de Goede return NULL; 3490518ad5f2SHans de Goede } 3491518ad5f2SHans de Goede 3492518ad5f2SHans de Goede return usb_ep_get(xhci->slots[slotid - 1].uport->dev, 3493518ad5f2SHans de Goede (epid & 1) ? USB_TOKEN_IN : USB_TOKEN_OUT, epid >> 1); 3494518ad5f2SHans de Goede } 3495518ad5f2SHans de Goede 34968550a02dSGerd Hoffmann static void xhci_wakeup_endpoint(USBBus *bus, USBEndpoint *ep, 34978550a02dSGerd Hoffmann unsigned int stream) 3498f1ae32a1SGerd Hoffmann { 3499f1ae32a1SGerd Hoffmann XHCIState *xhci = container_of(bus, XHCIState, bus); 3500f1ae32a1SGerd Hoffmann int slotid; 3501f1ae32a1SGerd Hoffmann 3502f1ae32a1SGerd Hoffmann DPRINTF("%s\n", __func__); 3503af203be3SGerd Hoffmann slotid = ep->dev->addr; 3504f1ae32a1SGerd Hoffmann if (slotid == 0 || !xhci->slots[slotid-1].enabled) { 3505f1ae32a1SGerd Hoffmann DPRINTF("%s: oops, no slot for dev %d\n", __func__, ep->dev->addr); 3506f1ae32a1SGerd Hoffmann return; 3507f1ae32a1SGerd Hoffmann } 3508024426acSGerd Hoffmann xhci_kick_ep(xhci, slotid, xhci_find_epid(ep), stream); 3509f1ae32a1SGerd Hoffmann } 3510f1ae32a1SGerd Hoffmann 3511f1ae32a1SGerd Hoffmann static USBBusOps xhci_bus_ops = { 3512f1ae32a1SGerd Hoffmann .wakeup_endpoint = xhci_wakeup_endpoint, 3513f1ae32a1SGerd Hoffmann }; 3514f1ae32a1SGerd Hoffmann 351537034575SPeter Crosthwaite static void usb_xhci_init(XHCIState *xhci) 3516f1ae32a1SGerd Hoffmann { 351737034575SPeter Crosthwaite DeviceState *dev = DEVICE(xhci); 35180846e635SGerd Hoffmann XHCIPort *port; 35190846e635SGerd Hoffmann int i, usbports, speedmask; 3520f1ae32a1SGerd Hoffmann 3521f1ae32a1SGerd Hoffmann xhci->usbsts = USBSTS_HCH; 3522f1ae32a1SGerd Hoffmann 35230846e635SGerd Hoffmann if (xhci->numports_2 > MAXPORTS_2) { 35240846e635SGerd Hoffmann xhci->numports_2 = MAXPORTS_2; 35250846e635SGerd Hoffmann } 35260846e635SGerd Hoffmann if (xhci->numports_3 > MAXPORTS_3) { 35270846e635SGerd Hoffmann xhci->numports_3 = MAXPORTS_3; 35280846e635SGerd Hoffmann } 35290846e635SGerd Hoffmann usbports = MAX(xhci->numports_2, xhci->numports_3); 35300846e635SGerd Hoffmann xhci->numports = xhci->numports_2 + xhci->numports_3; 35310846e635SGerd Hoffmann 3532c889b3a5SAndreas Färber usb_bus_new(&xhci->bus, sizeof(xhci->bus), &xhci_bus_ops, dev); 3533f1ae32a1SGerd Hoffmann 35340846e635SGerd Hoffmann for (i = 0; i < usbports; i++) { 35350846e635SGerd Hoffmann speedmask = 0; 35360846e635SGerd Hoffmann if (i < xhci->numports_2) { 35377bafd888SGerd Hoffmann if (xhci_get_flag(xhci, XHCI_FLAG_SS_FIRST)) { 35387bafd888SGerd Hoffmann port = &xhci->ports[i + xhci->numports_3]; 35397bafd888SGerd Hoffmann port->portnr = i + 1 + xhci->numports_3; 35407bafd888SGerd Hoffmann } else { 35410846e635SGerd Hoffmann port = &xhci->ports[i]; 35420846e635SGerd Hoffmann port->portnr = i + 1; 35437bafd888SGerd Hoffmann } 35440846e635SGerd Hoffmann port->uport = &xhci->uports[i]; 35450846e635SGerd Hoffmann port->speedmask = 3546f1ae32a1SGerd Hoffmann USB_SPEED_MASK_LOW | 3547f1ae32a1SGerd Hoffmann USB_SPEED_MASK_FULL | 35480846e635SGerd Hoffmann USB_SPEED_MASK_HIGH; 35491d8a4e69SGerd Hoffmann snprintf(port->name, sizeof(port->name), "usb2 port #%d", i+1); 35500846e635SGerd Hoffmann speedmask |= port->speedmask; 3551f1ae32a1SGerd Hoffmann } 35520846e635SGerd Hoffmann if (i < xhci->numports_3) { 35537bafd888SGerd Hoffmann if (xhci_get_flag(xhci, XHCI_FLAG_SS_FIRST)) { 35547bafd888SGerd Hoffmann port = &xhci->ports[i]; 35557bafd888SGerd Hoffmann port->portnr = i + 1; 35567bafd888SGerd Hoffmann } else { 35570846e635SGerd Hoffmann port = &xhci->ports[i + xhci->numports_2]; 35580846e635SGerd Hoffmann port->portnr = i + 1 + xhci->numports_2; 35597bafd888SGerd Hoffmann } 35600846e635SGerd Hoffmann port->uport = &xhci->uports[i]; 35610846e635SGerd Hoffmann port->speedmask = USB_SPEED_MASK_SUPER; 35621d8a4e69SGerd Hoffmann snprintf(port->name, sizeof(port->name), "usb3 port #%d", i+1); 35630846e635SGerd Hoffmann speedmask |= port->speedmask; 35640846e635SGerd Hoffmann } 35650846e635SGerd Hoffmann usb_register_port(&xhci->bus, &xhci->uports[i], xhci, i, 35661d8a4e69SGerd Hoffmann &xhci_uport_ops, speedmask); 3567f1ae32a1SGerd Hoffmann } 3568f1ae32a1SGerd Hoffmann } 3569f1ae32a1SGerd Hoffmann 3570f1ae32a1SGerd Hoffmann static int usb_xhci_initfn(struct PCIDevice *dev) 3571f1ae32a1SGerd Hoffmann { 35721d8a4e69SGerd Hoffmann int i, ret; 3573f1ae32a1SGerd Hoffmann 357437034575SPeter Crosthwaite XHCIState *xhci = XHCI(dev); 3575f1ae32a1SGerd Hoffmann 35769b7d3334SAndreas Färber dev->config[PCI_CLASS_PROG] = 0x30; /* xHCI */ 35779b7d3334SAndreas Färber dev->config[PCI_INTERRUPT_PIN] = 0x01; /* interrupt pin 1 */ 35789b7d3334SAndreas Färber dev->config[PCI_CACHE_LINE_SIZE] = 0x10; 35799b7d3334SAndreas Färber dev->config[0x60] = 0x30; /* release number */ 3580f1ae32a1SGerd Hoffmann 358137034575SPeter Crosthwaite usb_xhci_init(xhci); 3582f1ae32a1SGerd Hoffmann 358391062ae0SGerd Hoffmann if (xhci->numintrs > MAXINTRS) { 358491062ae0SGerd Hoffmann xhci->numintrs = MAXINTRS; 358591062ae0SGerd Hoffmann } 3586c94a7c69SGerd Hoffmann while (xhci->numintrs & (xhci->numintrs - 1)) { /* ! power of 2 */ 3587c94a7c69SGerd Hoffmann xhci->numintrs++; 3588c94a7c69SGerd Hoffmann } 358991062ae0SGerd Hoffmann if (xhci->numintrs < 1) { 359091062ae0SGerd Hoffmann xhci->numintrs = 1; 359191062ae0SGerd Hoffmann } 359291062ae0SGerd Hoffmann if (xhci->numslots > MAXSLOTS) { 359391062ae0SGerd Hoffmann xhci->numslots = MAXSLOTS; 359491062ae0SGerd Hoffmann } 359591062ae0SGerd Hoffmann if (xhci->numslots < 1) { 359691062ae0SGerd Hoffmann xhci->numslots = 1; 359791062ae0SGerd Hoffmann } 359891062ae0SGerd Hoffmann 3599bc72ad67SAlex Bligh xhci->mfwrap_timer = timer_new_ns(QEMU_CLOCK_VIRTUAL, xhci_mfwrap_timer, xhci); 360001546fa6SGerd Hoffmann 360122fc860bSPaolo Bonzini memory_region_init(&xhci->mem, OBJECT(xhci), "xhci", LEN_REGS); 360222fc860bSPaolo Bonzini memory_region_init_io(&xhci->mem_cap, OBJECT(xhci), &xhci_cap_ops, xhci, 36031b067564SGerd Hoffmann "capabilities", LEN_CAP); 360422fc860bSPaolo Bonzini memory_region_init_io(&xhci->mem_oper, OBJECT(xhci), &xhci_oper_ops, xhci, 36051d8a4e69SGerd Hoffmann "operational", 0x400); 360622fc860bSPaolo Bonzini memory_region_init_io(&xhci->mem_runtime, OBJECT(xhci), &xhci_runtime_ops, xhci, 36071b067564SGerd Hoffmann "runtime", LEN_RUNTIME); 360822fc860bSPaolo Bonzini memory_region_init_io(&xhci->mem_doorbell, OBJECT(xhci), &xhci_doorbell_ops, xhci, 36091b067564SGerd Hoffmann "doorbell", LEN_DOORBELL); 36101b067564SGerd Hoffmann 36111b067564SGerd Hoffmann memory_region_add_subregion(&xhci->mem, 0, &xhci->mem_cap); 36121b067564SGerd Hoffmann memory_region_add_subregion(&xhci->mem, OFF_OPER, &xhci->mem_oper); 36131b067564SGerd Hoffmann memory_region_add_subregion(&xhci->mem, OFF_RUNTIME, &xhci->mem_runtime); 36141b067564SGerd Hoffmann memory_region_add_subregion(&xhci->mem, OFF_DOORBELL, &xhci->mem_doorbell); 36151b067564SGerd Hoffmann 36161d8a4e69SGerd Hoffmann for (i = 0; i < xhci->numports; i++) { 36171d8a4e69SGerd Hoffmann XHCIPort *port = &xhci->ports[i]; 36181d8a4e69SGerd Hoffmann uint32_t offset = OFF_OPER + 0x400 + 0x10 * i; 36191d8a4e69SGerd Hoffmann port->xhci = xhci; 362022fc860bSPaolo Bonzini memory_region_init_io(&port->mem, OBJECT(xhci), &xhci_port_ops, port, 36211d8a4e69SGerd Hoffmann port->name, 0x10); 36221d8a4e69SGerd Hoffmann memory_region_add_subregion(&xhci->mem, offset, &port->mem); 36231d8a4e69SGerd Hoffmann } 36241d8a4e69SGerd Hoffmann 36259b7d3334SAndreas Färber pci_register_bar(dev, 0, 3626f1ae32a1SGerd Hoffmann PCI_BASE_ADDRESS_SPACE_MEMORY|PCI_BASE_ADDRESS_MEM_TYPE_64, 3627f1ae32a1SGerd Hoffmann &xhci->mem); 3628f1ae32a1SGerd Hoffmann 3629058fdcf5SGerd Hoffmann if (pci_bus_is_express(dev->bus)) { 36309b7d3334SAndreas Färber ret = pcie_endpoint_cap_init(dev, 0xa0); 3631f1ae32a1SGerd Hoffmann assert(ret >= 0); 3632058fdcf5SGerd Hoffmann } 3633f1ae32a1SGerd Hoffmann 3634f9955235SGerd Hoffmann if (xhci_get_flag(xhci, XHCI_FLAG_USE_MSI)) { 36359b7d3334SAndreas Färber msi_init(dev, 0x70, xhci->numintrs, true, false); 3636f1ae32a1SGerd Hoffmann } 3637f9955235SGerd Hoffmann if (xhci_get_flag(xhci, XHCI_FLAG_USE_MSI_X)) { 36389b7d3334SAndreas Färber msix_init(dev, xhci->numintrs, 36394c47f800SGerd Hoffmann &xhci->mem, 0, OFF_MSIX_TABLE, 36404c47f800SGerd Hoffmann &xhci->mem, 0, OFF_MSIX_PBA, 36414c47f800SGerd Hoffmann 0x90); 36424c47f800SGerd Hoffmann } 3643f1ae32a1SGerd Hoffmann 3644f1ae32a1SGerd Hoffmann return 0; 3645f1ae32a1SGerd Hoffmann } 3646f1ae32a1SGerd Hoffmann 3647*53c30545SGonglei static void usb_xhci_exit(PCIDevice *dev) 3648*53c30545SGonglei { 3649*53c30545SGonglei int i; 3650*53c30545SGonglei XHCIState *xhci = XHCI(dev); 3651*53c30545SGonglei 3652*53c30545SGonglei for (i = 0; i < xhci->numslots; i++) { 3653*53c30545SGonglei xhci_disable_slot(xhci, i + 1); 3654*53c30545SGonglei } 3655*53c30545SGonglei 3656*53c30545SGonglei if (xhci->mfwrap_timer) { 3657*53c30545SGonglei timer_del(xhci->mfwrap_timer); 3658*53c30545SGonglei timer_free(xhci->mfwrap_timer); 3659*53c30545SGonglei xhci->mfwrap_timer = NULL; 3660*53c30545SGonglei } 3661*53c30545SGonglei 3662*53c30545SGonglei memory_region_del_subregion(&xhci->mem, &xhci->mem_cap); 3663*53c30545SGonglei memory_region_del_subregion(&xhci->mem, &xhci->mem_oper); 3664*53c30545SGonglei memory_region_del_subregion(&xhci->mem, &xhci->mem_runtime); 3665*53c30545SGonglei memory_region_del_subregion(&xhci->mem, &xhci->mem_doorbell); 3666*53c30545SGonglei 3667*53c30545SGonglei for (i = 0; i < xhci->numports; i++) { 3668*53c30545SGonglei XHCIPort *port = &xhci->ports[i]; 3669*53c30545SGonglei memory_region_del_subregion(&xhci->mem, &port->mem); 3670*53c30545SGonglei } 3671*53c30545SGonglei 3672*53c30545SGonglei /* destroy msix memory region */ 3673*53c30545SGonglei if (dev->msix_table && dev->msix_pba 3674*53c30545SGonglei && dev->msix_entry_used) { 3675*53c30545SGonglei memory_region_del_subregion(&xhci->mem, &dev->msix_table_mmio); 3676*53c30545SGonglei memory_region_del_subregion(&xhci->mem, &dev->msix_pba_mmio); 3677*53c30545SGonglei } 3678*53c30545SGonglei 3679*53c30545SGonglei usb_bus_release(&xhci->bus); 3680*53c30545SGonglei } 3681*53c30545SGonglei 368237352df3SGerd Hoffmann static int usb_xhci_post_load(void *opaque, int version_id) 368337352df3SGerd Hoffmann { 368437352df3SGerd Hoffmann XHCIState *xhci = opaque; 36859b7d3334SAndreas Färber PCIDevice *pci_dev = PCI_DEVICE(xhci); 368637352df3SGerd Hoffmann XHCISlot *slot; 368737352df3SGerd Hoffmann XHCIEPContext *epctx; 368837352df3SGerd Hoffmann dma_addr_t dcbaap, pctx; 368937352df3SGerd Hoffmann uint32_t slot_ctx[4]; 369037352df3SGerd Hoffmann uint32_t ep_ctx[5]; 369137352df3SGerd Hoffmann int slotid, epid, state, intr; 369237352df3SGerd Hoffmann 369337352df3SGerd Hoffmann dcbaap = xhci_addr64(xhci->dcbaap_low, xhci->dcbaap_high); 369437352df3SGerd Hoffmann 369537352df3SGerd Hoffmann for (slotid = 1; slotid <= xhci->numslots; slotid++) { 369637352df3SGerd Hoffmann slot = &xhci->slots[slotid-1]; 369737352df3SGerd Hoffmann if (!slot->addressed) { 369837352df3SGerd Hoffmann continue; 369937352df3SGerd Hoffmann } 370037352df3SGerd Hoffmann slot->ctx = 37019b7d3334SAndreas Färber xhci_mask64(ldq_le_pci_dma(pci_dev, dcbaap + 8 * slotid)); 370237352df3SGerd Hoffmann xhci_dma_read_u32s(xhci, slot->ctx, slot_ctx, sizeof(slot_ctx)); 370337352df3SGerd Hoffmann slot->uport = xhci_lookup_uport(xhci, slot_ctx); 370437352df3SGerd Hoffmann assert(slot->uport && slot->uport->dev); 370537352df3SGerd Hoffmann 3706f6969b9fSGerd Hoffmann for (epid = 1; epid <= 31; epid++) { 370737352df3SGerd Hoffmann pctx = slot->ctx + 32 * epid; 370837352df3SGerd Hoffmann xhci_dma_read_u32s(xhci, pctx, ep_ctx, sizeof(ep_ctx)); 370937352df3SGerd Hoffmann state = ep_ctx[0] & EP_STATE_MASK; 371037352df3SGerd Hoffmann if (state == EP_DISABLED) { 371137352df3SGerd Hoffmann continue; 371237352df3SGerd Hoffmann } 371337352df3SGerd Hoffmann epctx = xhci_alloc_epctx(xhci, slotid, epid); 371437352df3SGerd Hoffmann slot->eps[epid-1] = epctx; 371537352df3SGerd Hoffmann xhci_init_epctx(epctx, pctx, ep_ctx); 371637352df3SGerd Hoffmann epctx->state = state; 371737352df3SGerd Hoffmann if (state == EP_RUNNING) { 371837352df3SGerd Hoffmann /* kick endpoint after vmload is finished */ 3719bc72ad67SAlex Bligh timer_mod(epctx->kick_timer, qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL)); 372037352df3SGerd Hoffmann } 372137352df3SGerd Hoffmann } 372237352df3SGerd Hoffmann } 372337352df3SGerd Hoffmann 372437352df3SGerd Hoffmann for (intr = 0; intr < xhci->numintrs; intr++) { 372537352df3SGerd Hoffmann if (xhci->intr[intr].msix_used) { 37269b7d3334SAndreas Färber msix_vector_use(pci_dev, intr); 372737352df3SGerd Hoffmann } else { 37289b7d3334SAndreas Färber msix_vector_unuse(pci_dev, intr); 372937352df3SGerd Hoffmann } 373037352df3SGerd Hoffmann } 373137352df3SGerd Hoffmann 373237352df3SGerd Hoffmann return 0; 373337352df3SGerd Hoffmann } 373437352df3SGerd Hoffmann 373537352df3SGerd Hoffmann static const VMStateDescription vmstate_xhci_ring = { 373637352df3SGerd Hoffmann .name = "xhci-ring", 373737352df3SGerd Hoffmann .version_id = 1, 373837352df3SGerd Hoffmann .fields = (VMStateField[]) { 373937352df3SGerd Hoffmann VMSTATE_UINT64(dequeue, XHCIRing), 374037352df3SGerd Hoffmann VMSTATE_BOOL(ccs, XHCIRing), 374137352df3SGerd Hoffmann VMSTATE_END_OF_LIST() 374237352df3SGerd Hoffmann } 374337352df3SGerd Hoffmann }; 374437352df3SGerd Hoffmann 374537352df3SGerd Hoffmann static const VMStateDescription vmstate_xhci_port = { 374637352df3SGerd Hoffmann .name = "xhci-port", 374737352df3SGerd Hoffmann .version_id = 1, 374837352df3SGerd Hoffmann .fields = (VMStateField[]) { 374937352df3SGerd Hoffmann VMSTATE_UINT32(portsc, XHCIPort), 375037352df3SGerd Hoffmann VMSTATE_END_OF_LIST() 375137352df3SGerd Hoffmann } 375237352df3SGerd Hoffmann }; 375337352df3SGerd Hoffmann 375437352df3SGerd Hoffmann static const VMStateDescription vmstate_xhci_slot = { 375537352df3SGerd Hoffmann .name = "xhci-slot", 375637352df3SGerd Hoffmann .version_id = 1, 375737352df3SGerd Hoffmann .fields = (VMStateField[]) { 375837352df3SGerd Hoffmann VMSTATE_BOOL(enabled, XHCISlot), 375937352df3SGerd Hoffmann VMSTATE_BOOL(addressed, XHCISlot), 376037352df3SGerd Hoffmann VMSTATE_END_OF_LIST() 376137352df3SGerd Hoffmann } 376237352df3SGerd Hoffmann }; 376337352df3SGerd Hoffmann 376437352df3SGerd Hoffmann static const VMStateDescription vmstate_xhci_event = { 376537352df3SGerd Hoffmann .name = "xhci-event", 376637352df3SGerd Hoffmann .version_id = 1, 376737352df3SGerd Hoffmann .fields = (VMStateField[]) { 376837352df3SGerd Hoffmann VMSTATE_UINT32(type, XHCIEvent), 376937352df3SGerd Hoffmann VMSTATE_UINT32(ccode, XHCIEvent), 377037352df3SGerd Hoffmann VMSTATE_UINT64(ptr, XHCIEvent), 377137352df3SGerd Hoffmann VMSTATE_UINT32(length, XHCIEvent), 377237352df3SGerd Hoffmann VMSTATE_UINT32(flags, XHCIEvent), 377337352df3SGerd Hoffmann VMSTATE_UINT8(slotid, XHCIEvent), 377437352df3SGerd Hoffmann VMSTATE_UINT8(epid, XHCIEvent), 37753afca1d6SLaszlo Ersek VMSTATE_END_OF_LIST() 377637352df3SGerd Hoffmann } 377737352df3SGerd Hoffmann }; 377837352df3SGerd Hoffmann 377937352df3SGerd Hoffmann static bool xhci_er_full(void *opaque, int version_id) 378037352df3SGerd Hoffmann { 378137352df3SGerd Hoffmann struct XHCIInterrupter *intr = opaque; 378237352df3SGerd Hoffmann return intr->er_full; 378337352df3SGerd Hoffmann } 378437352df3SGerd Hoffmann 378537352df3SGerd Hoffmann static const VMStateDescription vmstate_xhci_intr = { 378637352df3SGerd Hoffmann .name = "xhci-intr", 378737352df3SGerd Hoffmann .version_id = 1, 378837352df3SGerd Hoffmann .fields = (VMStateField[]) { 378937352df3SGerd Hoffmann /* registers */ 379037352df3SGerd Hoffmann VMSTATE_UINT32(iman, XHCIInterrupter), 379137352df3SGerd Hoffmann VMSTATE_UINT32(imod, XHCIInterrupter), 379237352df3SGerd Hoffmann VMSTATE_UINT32(erstsz, XHCIInterrupter), 379337352df3SGerd Hoffmann VMSTATE_UINT32(erstba_low, XHCIInterrupter), 379437352df3SGerd Hoffmann VMSTATE_UINT32(erstba_high, XHCIInterrupter), 379537352df3SGerd Hoffmann VMSTATE_UINT32(erdp_low, XHCIInterrupter), 379637352df3SGerd Hoffmann VMSTATE_UINT32(erdp_high, XHCIInterrupter), 379737352df3SGerd Hoffmann 379837352df3SGerd Hoffmann /* state */ 379937352df3SGerd Hoffmann VMSTATE_BOOL(msix_used, XHCIInterrupter), 380037352df3SGerd Hoffmann VMSTATE_BOOL(er_pcs, XHCIInterrupter), 380137352df3SGerd Hoffmann VMSTATE_UINT64(er_start, XHCIInterrupter), 380237352df3SGerd Hoffmann VMSTATE_UINT32(er_size, XHCIInterrupter), 380337352df3SGerd Hoffmann VMSTATE_UINT32(er_ep_idx, XHCIInterrupter), 380437352df3SGerd Hoffmann 380537352df3SGerd Hoffmann /* event queue (used if ring is full) */ 380637352df3SGerd Hoffmann VMSTATE_BOOL(er_full, XHCIInterrupter), 380737352df3SGerd Hoffmann VMSTATE_UINT32_TEST(ev_buffer_put, XHCIInterrupter, xhci_er_full), 380837352df3SGerd Hoffmann VMSTATE_UINT32_TEST(ev_buffer_get, XHCIInterrupter, xhci_er_full), 380937352df3SGerd Hoffmann VMSTATE_STRUCT_ARRAY_TEST(ev_buffer, XHCIInterrupter, EV_QUEUE, 381037352df3SGerd Hoffmann xhci_er_full, 1, 381137352df3SGerd Hoffmann vmstate_xhci_event, XHCIEvent), 381237352df3SGerd Hoffmann 381337352df3SGerd Hoffmann VMSTATE_END_OF_LIST() 381437352df3SGerd Hoffmann } 381537352df3SGerd Hoffmann }; 381637352df3SGerd Hoffmann 3817f1ae32a1SGerd Hoffmann static const VMStateDescription vmstate_xhci = { 3818f1ae32a1SGerd Hoffmann .name = "xhci", 381937352df3SGerd Hoffmann .version_id = 1, 382037352df3SGerd Hoffmann .post_load = usb_xhci_post_load, 382137352df3SGerd Hoffmann .fields = (VMStateField[]) { 38229b7d3334SAndreas Färber VMSTATE_PCIE_DEVICE(parent_obj, XHCIState), 38239b7d3334SAndreas Färber VMSTATE_MSIX(parent_obj, XHCIState), 382437352df3SGerd Hoffmann 382537352df3SGerd Hoffmann VMSTATE_STRUCT_VARRAY_UINT32(ports, XHCIState, numports, 1, 382637352df3SGerd Hoffmann vmstate_xhci_port, XHCIPort), 382737352df3SGerd Hoffmann VMSTATE_STRUCT_VARRAY_UINT32(slots, XHCIState, numslots, 1, 382837352df3SGerd Hoffmann vmstate_xhci_slot, XHCISlot), 382937352df3SGerd Hoffmann VMSTATE_STRUCT_VARRAY_UINT32(intr, XHCIState, numintrs, 1, 383037352df3SGerd Hoffmann vmstate_xhci_intr, XHCIInterrupter), 383137352df3SGerd Hoffmann 383237352df3SGerd Hoffmann /* Operational Registers */ 383337352df3SGerd Hoffmann VMSTATE_UINT32(usbcmd, XHCIState), 383437352df3SGerd Hoffmann VMSTATE_UINT32(usbsts, XHCIState), 383537352df3SGerd Hoffmann VMSTATE_UINT32(dnctrl, XHCIState), 383637352df3SGerd Hoffmann VMSTATE_UINT32(crcr_low, XHCIState), 383737352df3SGerd Hoffmann VMSTATE_UINT32(crcr_high, XHCIState), 383837352df3SGerd Hoffmann VMSTATE_UINT32(dcbaap_low, XHCIState), 383937352df3SGerd Hoffmann VMSTATE_UINT32(dcbaap_high, XHCIState), 384037352df3SGerd Hoffmann VMSTATE_UINT32(config, XHCIState), 384137352df3SGerd Hoffmann 384237352df3SGerd Hoffmann /* Runtime Registers & state */ 384337352df3SGerd Hoffmann VMSTATE_INT64(mfindex_start, XHCIState), 384437352df3SGerd Hoffmann VMSTATE_TIMER(mfwrap_timer, XHCIState), 384537352df3SGerd Hoffmann VMSTATE_STRUCT(cmd_ring, XHCIState, 1, vmstate_xhci_ring, XHCIRing), 384637352df3SGerd Hoffmann 384737352df3SGerd Hoffmann VMSTATE_END_OF_LIST() 384837352df3SGerd Hoffmann } 3849f1ae32a1SGerd Hoffmann }; 3850f1ae32a1SGerd Hoffmann 3851f1ae32a1SGerd Hoffmann static Property xhci_properties[] = { 3852c5e9b02dSGerd Hoffmann DEFINE_PROP_BIT("msi", XHCIState, flags, XHCI_FLAG_USE_MSI, true), 38534c47f800SGerd Hoffmann DEFINE_PROP_BIT("msix", XHCIState, flags, XHCI_FLAG_USE_MSI_X, true), 38547bafd888SGerd Hoffmann DEFINE_PROP_BIT("superspeed-ports-first", 38557bafd888SGerd Hoffmann XHCIState, flags, XHCI_FLAG_SS_FIRST, true), 385691062ae0SGerd Hoffmann DEFINE_PROP_UINT32("intrs", XHCIState, numintrs, MAXINTRS), 385791062ae0SGerd Hoffmann DEFINE_PROP_UINT32("slots", XHCIState, numslots, MAXSLOTS), 38580846e635SGerd Hoffmann DEFINE_PROP_UINT32("p2", XHCIState, numports_2, 4), 38590846e635SGerd Hoffmann DEFINE_PROP_UINT32("p3", XHCIState, numports_3, 4), 3860f1ae32a1SGerd Hoffmann DEFINE_PROP_END_OF_LIST(), 3861f1ae32a1SGerd Hoffmann }; 3862f1ae32a1SGerd Hoffmann 3863f1ae32a1SGerd Hoffmann static void xhci_class_init(ObjectClass *klass, void *data) 3864f1ae32a1SGerd Hoffmann { 3865f1ae32a1SGerd Hoffmann PCIDeviceClass *k = PCI_DEVICE_CLASS(klass); 3866f1ae32a1SGerd Hoffmann DeviceClass *dc = DEVICE_CLASS(klass); 3867f1ae32a1SGerd Hoffmann 3868f1ae32a1SGerd Hoffmann dc->vmsd = &vmstate_xhci; 3869f1ae32a1SGerd Hoffmann dc->props = xhci_properties; 387064619739SJan Kiszka dc->reset = xhci_reset; 38712897ae02SIgor Mammedov dc->hotpluggable = false; 3872125ee0edSMarcel Apfelbaum set_bit(DEVICE_CATEGORY_USB, dc->categories); 3873f1ae32a1SGerd Hoffmann k->init = usb_xhci_initfn; 3874*53c30545SGonglei k->exit = usb_xhci_exit; 3875f1ae32a1SGerd Hoffmann k->vendor_id = PCI_VENDOR_ID_NEC; 3876f1ae32a1SGerd Hoffmann k->device_id = PCI_DEVICE_ID_NEC_UPD720200; 3877f1ae32a1SGerd Hoffmann k->class_id = PCI_CLASS_SERIAL_USB; 3878f1ae32a1SGerd Hoffmann k->revision = 0x03; 3879f1ae32a1SGerd Hoffmann k->is_express = 1; 3880f1ae32a1SGerd Hoffmann } 3881f1ae32a1SGerd Hoffmann 38828c43a6f0SAndreas Färber static const TypeInfo xhci_info = { 388337034575SPeter Crosthwaite .name = TYPE_XHCI, 3884f1ae32a1SGerd Hoffmann .parent = TYPE_PCI_DEVICE, 3885f1ae32a1SGerd Hoffmann .instance_size = sizeof(XHCIState), 3886f1ae32a1SGerd Hoffmann .class_init = xhci_class_init, 3887f1ae32a1SGerd Hoffmann }; 3888f1ae32a1SGerd Hoffmann 3889f1ae32a1SGerd Hoffmann static void xhci_register_types(void) 3890f1ae32a1SGerd Hoffmann { 3891f1ae32a1SGerd Hoffmann type_register_static(&xhci_info); 3892f1ae32a1SGerd Hoffmann } 3893f1ae32a1SGerd Hoffmann 3894f1ae32a1SGerd Hoffmann type_init(xhci_register_types) 3895