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, 501c5e9b02dSGerd Hoffmann }; 502c5e9b02dSGerd Hoffmann 50301546fa6SGerd Hoffmann static void xhci_kick_ep(XHCIState *xhci, unsigned int slotid, 504024426acSGerd Hoffmann unsigned int epid, unsigned int streamid); 5050bc85da6SGerd Hoffmann static TRBCCode xhci_disable_ep(XHCIState *xhci, unsigned int slotid, 5060bc85da6SGerd Hoffmann unsigned int epid); 507582d6f4aSHans de Goede static void xhci_xfer_report(XHCITransfer *xfer); 508962d11e1SGerd Hoffmann static void xhci_event(XHCIState *xhci, XHCIEvent *event, int v); 509962d11e1SGerd Hoffmann static void xhci_write_event(XHCIState *xhci, XHCIEvent *event, int v); 510518ad5f2SHans de Goede static USBEndpoint *xhci_epid_to_usbep(XHCIState *xhci, 511518ad5f2SHans de Goede unsigned int slotid, unsigned int epid); 51201546fa6SGerd Hoffmann 513f1ae32a1SGerd Hoffmann static const char *TRBType_names[] = { 514f1ae32a1SGerd Hoffmann [TRB_RESERVED] = "TRB_RESERVED", 515f1ae32a1SGerd Hoffmann [TR_NORMAL] = "TR_NORMAL", 516f1ae32a1SGerd Hoffmann [TR_SETUP] = "TR_SETUP", 517f1ae32a1SGerd Hoffmann [TR_DATA] = "TR_DATA", 518f1ae32a1SGerd Hoffmann [TR_STATUS] = "TR_STATUS", 519f1ae32a1SGerd Hoffmann [TR_ISOCH] = "TR_ISOCH", 520f1ae32a1SGerd Hoffmann [TR_LINK] = "TR_LINK", 521f1ae32a1SGerd Hoffmann [TR_EVDATA] = "TR_EVDATA", 522f1ae32a1SGerd Hoffmann [TR_NOOP] = "TR_NOOP", 523f1ae32a1SGerd Hoffmann [CR_ENABLE_SLOT] = "CR_ENABLE_SLOT", 524f1ae32a1SGerd Hoffmann [CR_DISABLE_SLOT] = "CR_DISABLE_SLOT", 525f1ae32a1SGerd Hoffmann [CR_ADDRESS_DEVICE] = "CR_ADDRESS_DEVICE", 526f1ae32a1SGerd Hoffmann [CR_CONFIGURE_ENDPOINT] = "CR_CONFIGURE_ENDPOINT", 527f1ae32a1SGerd Hoffmann [CR_EVALUATE_CONTEXT] = "CR_EVALUATE_CONTEXT", 528f1ae32a1SGerd Hoffmann [CR_RESET_ENDPOINT] = "CR_RESET_ENDPOINT", 529f1ae32a1SGerd Hoffmann [CR_STOP_ENDPOINT] = "CR_STOP_ENDPOINT", 530f1ae32a1SGerd Hoffmann [CR_SET_TR_DEQUEUE] = "CR_SET_TR_DEQUEUE", 531f1ae32a1SGerd Hoffmann [CR_RESET_DEVICE] = "CR_RESET_DEVICE", 532f1ae32a1SGerd Hoffmann [CR_FORCE_EVENT] = "CR_FORCE_EVENT", 533f1ae32a1SGerd Hoffmann [CR_NEGOTIATE_BW] = "CR_NEGOTIATE_BW", 534f1ae32a1SGerd Hoffmann [CR_SET_LATENCY_TOLERANCE] = "CR_SET_LATENCY_TOLERANCE", 535f1ae32a1SGerd Hoffmann [CR_GET_PORT_BANDWIDTH] = "CR_GET_PORT_BANDWIDTH", 536f1ae32a1SGerd Hoffmann [CR_FORCE_HEADER] = "CR_FORCE_HEADER", 537f1ae32a1SGerd Hoffmann [CR_NOOP] = "CR_NOOP", 538f1ae32a1SGerd Hoffmann [ER_TRANSFER] = "ER_TRANSFER", 539f1ae32a1SGerd Hoffmann [ER_COMMAND_COMPLETE] = "ER_COMMAND_COMPLETE", 540f1ae32a1SGerd Hoffmann [ER_PORT_STATUS_CHANGE] = "ER_PORT_STATUS_CHANGE", 541f1ae32a1SGerd Hoffmann [ER_BANDWIDTH_REQUEST] = "ER_BANDWIDTH_REQUEST", 542f1ae32a1SGerd Hoffmann [ER_DOORBELL] = "ER_DOORBELL", 543f1ae32a1SGerd Hoffmann [ER_HOST_CONTROLLER] = "ER_HOST_CONTROLLER", 544f1ae32a1SGerd Hoffmann [ER_DEVICE_NOTIFICATION] = "ER_DEVICE_NOTIFICATION", 545f1ae32a1SGerd Hoffmann [ER_MFINDEX_WRAP] = "ER_MFINDEX_WRAP", 546f1ae32a1SGerd Hoffmann [CR_VENDOR_VIA_CHALLENGE_RESPONSE] = "CR_VENDOR_VIA_CHALLENGE_RESPONSE", 547f1ae32a1SGerd Hoffmann [CR_VENDOR_NEC_FIRMWARE_REVISION] = "CR_VENDOR_NEC_FIRMWARE_REVISION", 548f1ae32a1SGerd Hoffmann [CR_VENDOR_NEC_CHALLENGE_RESPONSE] = "CR_VENDOR_NEC_CHALLENGE_RESPONSE", 549f1ae32a1SGerd Hoffmann }; 550f1ae32a1SGerd Hoffmann 551873123feSGerd Hoffmann static const char *TRBCCode_names[] = { 552873123feSGerd Hoffmann [CC_INVALID] = "CC_INVALID", 553873123feSGerd Hoffmann [CC_SUCCESS] = "CC_SUCCESS", 554873123feSGerd Hoffmann [CC_DATA_BUFFER_ERROR] = "CC_DATA_BUFFER_ERROR", 555873123feSGerd Hoffmann [CC_BABBLE_DETECTED] = "CC_BABBLE_DETECTED", 556873123feSGerd Hoffmann [CC_USB_TRANSACTION_ERROR] = "CC_USB_TRANSACTION_ERROR", 557873123feSGerd Hoffmann [CC_TRB_ERROR] = "CC_TRB_ERROR", 558873123feSGerd Hoffmann [CC_STALL_ERROR] = "CC_STALL_ERROR", 559873123feSGerd Hoffmann [CC_RESOURCE_ERROR] = "CC_RESOURCE_ERROR", 560873123feSGerd Hoffmann [CC_BANDWIDTH_ERROR] = "CC_BANDWIDTH_ERROR", 561873123feSGerd Hoffmann [CC_NO_SLOTS_ERROR] = "CC_NO_SLOTS_ERROR", 562873123feSGerd Hoffmann [CC_INVALID_STREAM_TYPE_ERROR] = "CC_INVALID_STREAM_TYPE_ERROR", 563873123feSGerd Hoffmann [CC_SLOT_NOT_ENABLED_ERROR] = "CC_SLOT_NOT_ENABLED_ERROR", 564873123feSGerd Hoffmann [CC_EP_NOT_ENABLED_ERROR] = "CC_EP_NOT_ENABLED_ERROR", 565873123feSGerd Hoffmann [CC_SHORT_PACKET] = "CC_SHORT_PACKET", 566873123feSGerd Hoffmann [CC_RING_UNDERRUN] = "CC_RING_UNDERRUN", 567873123feSGerd Hoffmann [CC_RING_OVERRUN] = "CC_RING_OVERRUN", 568873123feSGerd Hoffmann [CC_VF_ER_FULL] = "CC_VF_ER_FULL", 569873123feSGerd Hoffmann [CC_PARAMETER_ERROR] = "CC_PARAMETER_ERROR", 570873123feSGerd Hoffmann [CC_BANDWIDTH_OVERRUN] = "CC_BANDWIDTH_OVERRUN", 571873123feSGerd Hoffmann [CC_CONTEXT_STATE_ERROR] = "CC_CONTEXT_STATE_ERROR", 572873123feSGerd Hoffmann [CC_NO_PING_RESPONSE_ERROR] = "CC_NO_PING_RESPONSE_ERROR", 573873123feSGerd Hoffmann [CC_EVENT_RING_FULL_ERROR] = "CC_EVENT_RING_FULL_ERROR", 574873123feSGerd Hoffmann [CC_INCOMPATIBLE_DEVICE_ERROR] = "CC_INCOMPATIBLE_DEVICE_ERROR", 575873123feSGerd Hoffmann [CC_MISSED_SERVICE_ERROR] = "CC_MISSED_SERVICE_ERROR", 576873123feSGerd Hoffmann [CC_COMMAND_RING_STOPPED] = "CC_COMMAND_RING_STOPPED", 577873123feSGerd Hoffmann [CC_COMMAND_ABORTED] = "CC_COMMAND_ABORTED", 578873123feSGerd Hoffmann [CC_STOPPED] = "CC_STOPPED", 579873123feSGerd Hoffmann [CC_STOPPED_LENGTH_INVALID] = "CC_STOPPED_LENGTH_INVALID", 580873123feSGerd Hoffmann [CC_MAX_EXIT_LATENCY_TOO_LARGE_ERROR] 581873123feSGerd Hoffmann = "CC_MAX_EXIT_LATENCY_TOO_LARGE_ERROR", 582873123feSGerd Hoffmann [CC_ISOCH_BUFFER_OVERRUN] = "CC_ISOCH_BUFFER_OVERRUN", 583873123feSGerd Hoffmann [CC_EVENT_LOST_ERROR] = "CC_EVENT_LOST_ERROR", 584873123feSGerd Hoffmann [CC_UNDEFINED_ERROR] = "CC_UNDEFINED_ERROR", 585873123feSGerd Hoffmann [CC_INVALID_STREAM_ID_ERROR] = "CC_INVALID_STREAM_ID_ERROR", 586873123feSGerd Hoffmann [CC_SECONDARY_BANDWIDTH_ERROR] = "CC_SECONDARY_BANDWIDTH_ERROR", 587873123feSGerd Hoffmann [CC_SPLIT_TRANSACTION_ERROR] = "CC_SPLIT_TRANSACTION_ERROR", 588873123feSGerd Hoffmann }; 589873123feSGerd Hoffmann 5901c82392aSGerd Hoffmann static const char *ep_state_names[] = { 5911c82392aSGerd Hoffmann [EP_DISABLED] = "disabled", 5921c82392aSGerd Hoffmann [EP_RUNNING] = "running", 5931c82392aSGerd Hoffmann [EP_HALTED] = "halted", 5941c82392aSGerd Hoffmann [EP_STOPPED] = "stopped", 5951c82392aSGerd Hoffmann [EP_ERROR] = "error", 5961c82392aSGerd Hoffmann }; 5971c82392aSGerd Hoffmann 598f1ae32a1SGerd Hoffmann static const char *lookup_name(uint32_t index, const char **list, uint32_t llen) 599f1ae32a1SGerd Hoffmann { 600f1ae32a1SGerd Hoffmann if (index >= llen || list[index] == NULL) { 601f1ae32a1SGerd Hoffmann return "???"; 602f1ae32a1SGerd Hoffmann } 603f1ae32a1SGerd Hoffmann return list[index]; 604f1ae32a1SGerd Hoffmann } 605f1ae32a1SGerd Hoffmann 606f1ae32a1SGerd Hoffmann static const char *trb_name(XHCITRB *trb) 607f1ae32a1SGerd Hoffmann { 608f1ae32a1SGerd Hoffmann return lookup_name(TRB_TYPE(*trb), TRBType_names, 609f1ae32a1SGerd Hoffmann ARRAY_SIZE(TRBType_names)); 610f1ae32a1SGerd Hoffmann } 611f1ae32a1SGerd Hoffmann 612873123feSGerd Hoffmann static const char *event_name(XHCIEvent *event) 613873123feSGerd Hoffmann { 614873123feSGerd Hoffmann return lookup_name(event->ccode, TRBCCode_names, 615873123feSGerd Hoffmann ARRAY_SIZE(TRBCCode_names)); 616873123feSGerd Hoffmann } 617873123feSGerd Hoffmann 6181c82392aSGerd Hoffmann static const char *ep_state_name(uint32_t state) 6191c82392aSGerd Hoffmann { 6201c82392aSGerd Hoffmann return lookup_name(state, ep_state_names, 6211c82392aSGerd Hoffmann ARRAY_SIZE(ep_state_names)); 6221c82392aSGerd Hoffmann } 6231c82392aSGerd Hoffmann 62401546fa6SGerd Hoffmann static uint64_t xhci_mfindex_get(XHCIState *xhci) 62501546fa6SGerd Hoffmann { 626bc72ad67SAlex Bligh int64_t now = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL); 62701546fa6SGerd Hoffmann return (now - xhci->mfindex_start) / 125000; 62801546fa6SGerd Hoffmann } 62901546fa6SGerd Hoffmann 63001546fa6SGerd Hoffmann static void xhci_mfwrap_update(XHCIState *xhci) 63101546fa6SGerd Hoffmann { 63201546fa6SGerd Hoffmann const uint32_t bits = USBCMD_RS | USBCMD_EWE; 63301546fa6SGerd Hoffmann uint32_t mfindex, left; 63401546fa6SGerd Hoffmann int64_t now; 63501546fa6SGerd Hoffmann 63601546fa6SGerd Hoffmann if ((xhci->usbcmd & bits) == bits) { 637bc72ad67SAlex Bligh now = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL); 63801546fa6SGerd Hoffmann mfindex = ((now - xhci->mfindex_start) / 125000) & 0x3fff; 63901546fa6SGerd Hoffmann left = 0x4000 - mfindex; 640bc72ad67SAlex Bligh timer_mod(xhci->mfwrap_timer, now + left * 125000); 64101546fa6SGerd Hoffmann } else { 642bc72ad67SAlex Bligh timer_del(xhci->mfwrap_timer); 64301546fa6SGerd Hoffmann } 64401546fa6SGerd Hoffmann } 64501546fa6SGerd Hoffmann 64601546fa6SGerd Hoffmann static void xhci_mfwrap_timer(void *opaque) 64701546fa6SGerd Hoffmann { 64801546fa6SGerd Hoffmann XHCIState *xhci = opaque; 64901546fa6SGerd Hoffmann XHCIEvent wrap = { ER_MFINDEX_WRAP, CC_SUCCESS }; 65001546fa6SGerd Hoffmann 651962d11e1SGerd Hoffmann xhci_event(xhci, &wrap, 0); 65201546fa6SGerd Hoffmann xhci_mfwrap_update(xhci); 65301546fa6SGerd Hoffmann } 654f1ae32a1SGerd Hoffmann 65559a70ccdSDavid Gibson static inline dma_addr_t xhci_addr64(uint32_t low, uint32_t high) 656f1ae32a1SGerd Hoffmann { 65759a70ccdSDavid Gibson if (sizeof(dma_addr_t) == 4) { 658f1ae32a1SGerd Hoffmann return low; 65959a70ccdSDavid Gibson } else { 66059a70ccdSDavid Gibson return low | (((dma_addr_t)high << 16) << 16); 66159a70ccdSDavid Gibson } 662f1ae32a1SGerd Hoffmann } 663f1ae32a1SGerd Hoffmann 66459a70ccdSDavid Gibson static inline dma_addr_t xhci_mask64(uint64_t addr) 665f1ae32a1SGerd Hoffmann { 66659a70ccdSDavid Gibson if (sizeof(dma_addr_t) == 4) { 667f1ae32a1SGerd Hoffmann return addr & 0xffffffff; 66859a70ccdSDavid Gibson } else { 66959a70ccdSDavid Gibson return addr; 67059a70ccdSDavid Gibson } 671f1ae32a1SGerd Hoffmann } 672f1ae32a1SGerd Hoffmann 673616b5d53SDavid Gibson static inline void xhci_dma_read_u32s(XHCIState *xhci, dma_addr_t addr, 674616b5d53SDavid Gibson uint32_t *buf, size_t len) 675616b5d53SDavid Gibson { 676616b5d53SDavid Gibson int i; 677616b5d53SDavid Gibson 678616b5d53SDavid Gibson assert((len % sizeof(uint32_t)) == 0); 679616b5d53SDavid Gibson 6809b7d3334SAndreas Färber pci_dma_read(PCI_DEVICE(xhci), addr, buf, len); 681616b5d53SDavid Gibson 682616b5d53SDavid Gibson for (i = 0; i < (len / sizeof(uint32_t)); i++) { 683616b5d53SDavid Gibson buf[i] = le32_to_cpu(buf[i]); 684616b5d53SDavid Gibson } 685616b5d53SDavid Gibson } 686616b5d53SDavid Gibson 687616b5d53SDavid Gibson static inline void xhci_dma_write_u32s(XHCIState *xhci, dma_addr_t addr, 688616b5d53SDavid Gibson uint32_t *buf, size_t len) 689616b5d53SDavid Gibson { 690616b5d53SDavid Gibson int i; 691616b5d53SDavid Gibson uint32_t tmp[len / sizeof(uint32_t)]; 692616b5d53SDavid Gibson 693616b5d53SDavid Gibson assert((len % sizeof(uint32_t)) == 0); 694616b5d53SDavid Gibson 695616b5d53SDavid Gibson for (i = 0; i < (len / sizeof(uint32_t)); i++) { 696616b5d53SDavid Gibson tmp[i] = cpu_to_le32(buf[i]); 697616b5d53SDavid Gibson } 6989b7d3334SAndreas Färber pci_dma_write(PCI_DEVICE(xhci), addr, tmp, len); 699616b5d53SDavid Gibson } 700616b5d53SDavid Gibson 7010846e635SGerd Hoffmann static XHCIPort *xhci_lookup_port(XHCIState *xhci, struct USBPort *uport) 7020846e635SGerd Hoffmann { 7030846e635SGerd Hoffmann int index; 7040846e635SGerd Hoffmann 7050846e635SGerd Hoffmann if (!uport->dev) { 7060846e635SGerd Hoffmann return NULL; 7070846e635SGerd Hoffmann } 7080846e635SGerd Hoffmann switch (uport->dev->speed) { 7090846e635SGerd Hoffmann case USB_SPEED_LOW: 7100846e635SGerd Hoffmann case USB_SPEED_FULL: 7110846e635SGerd Hoffmann case USB_SPEED_HIGH: 7120846e635SGerd Hoffmann index = uport->index; 7130846e635SGerd Hoffmann break; 7140846e635SGerd Hoffmann case USB_SPEED_SUPER: 7150846e635SGerd Hoffmann index = uport->index + xhci->numports_2; 7160846e635SGerd Hoffmann break; 7170846e635SGerd Hoffmann default: 7180846e635SGerd Hoffmann return NULL; 7190846e635SGerd Hoffmann } 7200846e635SGerd Hoffmann return &xhci->ports[index]; 7210846e635SGerd Hoffmann } 7220846e635SGerd Hoffmann 7234c4abe7cSGerd Hoffmann static void xhci_intx_update(XHCIState *xhci) 724f1ae32a1SGerd Hoffmann { 7259b7d3334SAndreas Färber PCIDevice *pci_dev = PCI_DEVICE(xhci); 726f1ae32a1SGerd Hoffmann int level = 0; 727f1ae32a1SGerd Hoffmann 7289b7d3334SAndreas Färber if (msix_enabled(pci_dev) || 7299b7d3334SAndreas Färber msi_enabled(pci_dev)) { 7304c4abe7cSGerd Hoffmann return; 7314c4abe7cSGerd Hoffmann } 7324c4abe7cSGerd Hoffmann 733962d11e1SGerd Hoffmann if (xhci->intr[0].iman & IMAN_IP && 734962d11e1SGerd Hoffmann xhci->intr[0].iman & IMAN_IE && 735215bff17SLai Jiangshan xhci->usbcmd & USBCMD_INTE) { 736f1ae32a1SGerd Hoffmann level = 1; 737f1ae32a1SGerd Hoffmann } 738f1ae32a1SGerd Hoffmann 7397acd279fSGerd Hoffmann trace_usb_xhci_irq_intx(level); 7409e64f8a3SMarcel Apfelbaum pci_set_irq(pci_dev, level); 741f1ae32a1SGerd Hoffmann } 7424c4abe7cSGerd Hoffmann 743962d11e1SGerd Hoffmann static void xhci_msix_update(XHCIState *xhci, int v) 7444c47f800SGerd Hoffmann { 7459b7d3334SAndreas Färber PCIDevice *pci_dev = PCI_DEVICE(xhci); 7464c47f800SGerd Hoffmann bool enabled; 7474c47f800SGerd Hoffmann 7489b7d3334SAndreas Färber if (!msix_enabled(pci_dev)) { 7494c47f800SGerd Hoffmann return; 7504c47f800SGerd Hoffmann } 7514c47f800SGerd Hoffmann 752962d11e1SGerd Hoffmann enabled = xhci->intr[v].iman & IMAN_IE; 753962d11e1SGerd Hoffmann if (enabled == xhci->intr[v].msix_used) { 7544c47f800SGerd Hoffmann return; 7554c47f800SGerd Hoffmann } 7564c47f800SGerd Hoffmann 7574c47f800SGerd Hoffmann if (enabled) { 758962d11e1SGerd Hoffmann trace_usb_xhci_irq_msix_use(v); 7599b7d3334SAndreas Färber msix_vector_use(pci_dev, v); 760962d11e1SGerd Hoffmann xhci->intr[v].msix_used = true; 7614c47f800SGerd Hoffmann } else { 762962d11e1SGerd Hoffmann trace_usb_xhci_irq_msix_unuse(v); 7639b7d3334SAndreas Färber msix_vector_unuse(pci_dev, v); 764962d11e1SGerd Hoffmann xhci->intr[v].msix_used = false; 7654c47f800SGerd Hoffmann } 7664c47f800SGerd Hoffmann } 7674c47f800SGerd Hoffmann 768962d11e1SGerd Hoffmann static void xhci_intr_raise(XHCIState *xhci, int v) 7694c4abe7cSGerd Hoffmann { 7709b7d3334SAndreas Färber PCIDevice *pci_dev = PCI_DEVICE(xhci); 7719b7d3334SAndreas Färber 772962d11e1SGerd Hoffmann xhci->intr[v].erdp_low |= ERDP_EHB; 773962d11e1SGerd Hoffmann xhci->intr[v].iman |= IMAN_IP; 7742cae4119SGerd Hoffmann xhci->usbsts |= USBSTS_EINT; 7752cae4119SGerd Hoffmann 776962d11e1SGerd Hoffmann if (!(xhci->intr[v].iman & IMAN_IE)) { 7774c4abe7cSGerd Hoffmann return; 7784c4abe7cSGerd Hoffmann } 7794c4abe7cSGerd Hoffmann 7804c4abe7cSGerd Hoffmann if (!(xhci->usbcmd & USBCMD_INTE)) { 7814c4abe7cSGerd Hoffmann return; 7824c4abe7cSGerd Hoffmann } 7834c4abe7cSGerd Hoffmann 7849b7d3334SAndreas Färber if (msix_enabled(pci_dev)) { 785962d11e1SGerd Hoffmann trace_usb_xhci_irq_msix(v); 7869b7d3334SAndreas Färber msix_notify(pci_dev, v); 7874c47f800SGerd Hoffmann return; 7884c47f800SGerd Hoffmann } 7894c47f800SGerd Hoffmann 7909b7d3334SAndreas Färber if (msi_enabled(pci_dev)) { 791962d11e1SGerd Hoffmann trace_usb_xhci_irq_msi(v); 7929b7d3334SAndreas Färber msi_notify(pci_dev, v); 7934c4abe7cSGerd Hoffmann return; 7944c4abe7cSGerd Hoffmann } 7954c4abe7cSGerd Hoffmann 796962d11e1SGerd Hoffmann if (v == 0) { 7974c4abe7cSGerd Hoffmann trace_usb_xhci_irq_intx(1); 7989e64f8a3SMarcel Apfelbaum pci_irq_assert(pci_dev); 799f1ae32a1SGerd Hoffmann } 800962d11e1SGerd Hoffmann } 801f1ae32a1SGerd Hoffmann 802f1ae32a1SGerd Hoffmann static inline int xhci_running(XHCIState *xhci) 803f1ae32a1SGerd Hoffmann { 804962d11e1SGerd Hoffmann return !(xhci->usbsts & USBSTS_HCH) && !xhci->intr[0].er_full; 805f1ae32a1SGerd Hoffmann } 806f1ae32a1SGerd Hoffmann 807f1ae32a1SGerd Hoffmann static void xhci_die(XHCIState *xhci) 808f1ae32a1SGerd Hoffmann { 809f1ae32a1SGerd Hoffmann xhci->usbsts |= USBSTS_HCE; 810d6bb65fcSGerd Hoffmann DPRINTF("xhci: asserted controller error\n"); 811f1ae32a1SGerd Hoffmann } 812f1ae32a1SGerd Hoffmann 813962d11e1SGerd Hoffmann static void xhci_write_event(XHCIState *xhci, XHCIEvent *event, int v) 814f1ae32a1SGerd Hoffmann { 8159b7d3334SAndreas Färber PCIDevice *pci_dev = PCI_DEVICE(xhci); 816962d11e1SGerd Hoffmann XHCIInterrupter *intr = &xhci->intr[v]; 817f1ae32a1SGerd Hoffmann XHCITRB ev_trb; 81859a70ccdSDavid Gibson dma_addr_t addr; 819f1ae32a1SGerd Hoffmann 820f1ae32a1SGerd Hoffmann ev_trb.parameter = cpu_to_le64(event->ptr); 821f1ae32a1SGerd Hoffmann ev_trb.status = cpu_to_le32(event->length | (event->ccode << 24)); 822f1ae32a1SGerd Hoffmann ev_trb.control = (event->slotid << 24) | (event->epid << 16) | 823f1ae32a1SGerd Hoffmann event->flags | (event->type << TRB_TYPE_SHIFT); 824962d11e1SGerd Hoffmann if (intr->er_pcs) { 825f1ae32a1SGerd Hoffmann ev_trb.control |= TRB_C; 826f1ae32a1SGerd Hoffmann } 827f1ae32a1SGerd Hoffmann ev_trb.control = cpu_to_le32(ev_trb.control); 828f1ae32a1SGerd Hoffmann 829962d11e1SGerd Hoffmann trace_usb_xhci_queue_event(v, intr->er_ep_idx, trb_name(&ev_trb), 830873123feSGerd Hoffmann event_name(event), ev_trb.parameter, 831873123feSGerd Hoffmann ev_trb.status, ev_trb.control); 832f1ae32a1SGerd Hoffmann 833962d11e1SGerd Hoffmann addr = intr->er_start + TRB_SIZE*intr->er_ep_idx; 8349b7d3334SAndreas Färber pci_dma_write(pci_dev, addr, &ev_trb, TRB_SIZE); 835f1ae32a1SGerd Hoffmann 836962d11e1SGerd Hoffmann intr->er_ep_idx++; 837962d11e1SGerd Hoffmann if (intr->er_ep_idx >= intr->er_size) { 838962d11e1SGerd Hoffmann intr->er_ep_idx = 0; 839962d11e1SGerd Hoffmann intr->er_pcs = !intr->er_pcs; 840f1ae32a1SGerd Hoffmann } 841f1ae32a1SGerd Hoffmann } 842f1ae32a1SGerd Hoffmann 843962d11e1SGerd Hoffmann static void xhci_events_update(XHCIState *xhci, int v) 844f1ae32a1SGerd Hoffmann { 845962d11e1SGerd Hoffmann XHCIInterrupter *intr = &xhci->intr[v]; 84659a70ccdSDavid Gibson dma_addr_t erdp; 847f1ae32a1SGerd Hoffmann unsigned int dp_idx; 848f1ae32a1SGerd Hoffmann bool do_irq = 0; 849f1ae32a1SGerd Hoffmann 850f1ae32a1SGerd Hoffmann if (xhci->usbsts & USBSTS_HCH) { 851f1ae32a1SGerd Hoffmann return; 852f1ae32a1SGerd Hoffmann } 853f1ae32a1SGerd Hoffmann 854962d11e1SGerd Hoffmann erdp = xhci_addr64(intr->erdp_low, intr->erdp_high); 855962d11e1SGerd Hoffmann if (erdp < intr->er_start || 856962d11e1SGerd Hoffmann erdp >= (intr->er_start + TRB_SIZE*intr->er_size)) { 857d6bb65fcSGerd Hoffmann DPRINTF("xhci: ERDP out of bounds: "DMA_ADDR_FMT"\n", erdp); 858d6bb65fcSGerd Hoffmann DPRINTF("xhci: ER[%d] at "DMA_ADDR_FMT" len %d\n", 859962d11e1SGerd Hoffmann v, intr->er_start, intr->er_size); 860f1ae32a1SGerd Hoffmann xhci_die(xhci); 861f1ae32a1SGerd Hoffmann return; 862f1ae32a1SGerd Hoffmann } 863962d11e1SGerd Hoffmann dp_idx = (erdp - intr->er_start) / TRB_SIZE; 864962d11e1SGerd Hoffmann assert(dp_idx < intr->er_size); 865f1ae32a1SGerd Hoffmann 866f1ae32a1SGerd Hoffmann /* NEC didn't read section 4.9.4 of the spec (v1.0 p139 top Note) and thus 867f1ae32a1SGerd Hoffmann * deadlocks when the ER is full. Hack it by holding off events until 868f1ae32a1SGerd Hoffmann * the driver decides to free at least half of the ring */ 869962d11e1SGerd Hoffmann if (intr->er_full) { 870962d11e1SGerd Hoffmann int er_free = dp_idx - intr->er_ep_idx; 871f1ae32a1SGerd Hoffmann if (er_free <= 0) { 872962d11e1SGerd Hoffmann er_free += intr->er_size; 873f1ae32a1SGerd Hoffmann } 874962d11e1SGerd Hoffmann if (er_free < (intr->er_size/2)) { 875f1ae32a1SGerd Hoffmann DPRINTF("xhci_events_update(): event ring still " 876f1ae32a1SGerd Hoffmann "more than half full (hack)\n"); 877f1ae32a1SGerd Hoffmann return; 878f1ae32a1SGerd Hoffmann } 879f1ae32a1SGerd Hoffmann } 880f1ae32a1SGerd Hoffmann 881962d11e1SGerd Hoffmann while (intr->ev_buffer_put != intr->ev_buffer_get) { 882962d11e1SGerd Hoffmann assert(intr->er_full); 883962d11e1SGerd Hoffmann if (((intr->er_ep_idx+1) % intr->er_size) == dp_idx) { 884f1ae32a1SGerd Hoffmann DPRINTF("xhci_events_update(): event ring full again\n"); 885f1ae32a1SGerd Hoffmann #ifndef ER_FULL_HACK 886f1ae32a1SGerd Hoffmann XHCIEvent full = {ER_HOST_CONTROLLER, CC_EVENT_RING_FULL_ERROR}; 887962d11e1SGerd Hoffmann xhci_write_event(xhci, &full, v); 888f1ae32a1SGerd Hoffmann #endif 889f1ae32a1SGerd Hoffmann do_irq = 1; 890f1ae32a1SGerd Hoffmann break; 891f1ae32a1SGerd Hoffmann } 892962d11e1SGerd Hoffmann XHCIEvent *event = &intr->ev_buffer[intr->ev_buffer_get]; 893962d11e1SGerd Hoffmann xhci_write_event(xhci, event, v); 894962d11e1SGerd Hoffmann intr->ev_buffer_get++; 895f1ae32a1SGerd Hoffmann do_irq = 1; 896962d11e1SGerd Hoffmann if (intr->ev_buffer_get == EV_QUEUE) { 897962d11e1SGerd Hoffmann intr->ev_buffer_get = 0; 898f1ae32a1SGerd Hoffmann } 899f1ae32a1SGerd Hoffmann } 900f1ae32a1SGerd Hoffmann 901f1ae32a1SGerd Hoffmann if (do_irq) { 902962d11e1SGerd Hoffmann xhci_intr_raise(xhci, v); 903f1ae32a1SGerd Hoffmann } 904f1ae32a1SGerd Hoffmann 905962d11e1SGerd Hoffmann if (intr->er_full && intr->ev_buffer_put == intr->ev_buffer_get) { 906f1ae32a1SGerd Hoffmann DPRINTF("xhci_events_update(): event ring no longer full\n"); 907962d11e1SGerd Hoffmann intr->er_full = 0; 908f1ae32a1SGerd Hoffmann } 909f1ae32a1SGerd Hoffmann } 910f1ae32a1SGerd Hoffmann 911962d11e1SGerd Hoffmann static void xhci_event(XHCIState *xhci, XHCIEvent *event, int v) 912f1ae32a1SGerd Hoffmann { 9132d1de850SGerd Hoffmann XHCIInterrupter *intr; 91459a70ccdSDavid Gibson dma_addr_t erdp; 915f1ae32a1SGerd Hoffmann unsigned int dp_idx; 916f1ae32a1SGerd Hoffmann 91791062ae0SGerd Hoffmann if (v >= xhci->numintrs) { 91891062ae0SGerd Hoffmann DPRINTF("intr nr out of range (%d >= %d)\n", v, xhci->numintrs); 9192d1de850SGerd Hoffmann return; 9202d1de850SGerd Hoffmann } 9212d1de850SGerd Hoffmann intr = &xhci->intr[v]; 9222d1de850SGerd Hoffmann 923962d11e1SGerd Hoffmann if (intr->er_full) { 924f1ae32a1SGerd Hoffmann DPRINTF("xhci_event(): ER full, queueing\n"); 925962d11e1SGerd Hoffmann if (((intr->ev_buffer_put+1) % EV_QUEUE) == intr->ev_buffer_get) { 926d6bb65fcSGerd Hoffmann DPRINTF("xhci: event queue full, dropping event!\n"); 927f1ae32a1SGerd Hoffmann return; 928f1ae32a1SGerd Hoffmann } 929962d11e1SGerd Hoffmann intr->ev_buffer[intr->ev_buffer_put++] = *event; 930962d11e1SGerd Hoffmann if (intr->ev_buffer_put == EV_QUEUE) { 931962d11e1SGerd Hoffmann intr->ev_buffer_put = 0; 932f1ae32a1SGerd Hoffmann } 933f1ae32a1SGerd Hoffmann return; 934f1ae32a1SGerd Hoffmann } 935f1ae32a1SGerd Hoffmann 936962d11e1SGerd Hoffmann erdp = xhci_addr64(intr->erdp_low, intr->erdp_high); 937962d11e1SGerd Hoffmann if (erdp < intr->er_start || 938962d11e1SGerd Hoffmann erdp >= (intr->er_start + TRB_SIZE*intr->er_size)) { 939d6bb65fcSGerd Hoffmann DPRINTF("xhci: ERDP out of bounds: "DMA_ADDR_FMT"\n", erdp); 940d6bb65fcSGerd Hoffmann DPRINTF("xhci: ER[%d] at "DMA_ADDR_FMT" len %d\n", 941962d11e1SGerd Hoffmann v, intr->er_start, intr->er_size); 942f1ae32a1SGerd Hoffmann xhci_die(xhci); 943f1ae32a1SGerd Hoffmann return; 944f1ae32a1SGerd Hoffmann } 945f1ae32a1SGerd Hoffmann 946962d11e1SGerd Hoffmann dp_idx = (erdp - intr->er_start) / TRB_SIZE; 947962d11e1SGerd Hoffmann assert(dp_idx < intr->er_size); 948f1ae32a1SGerd Hoffmann 949962d11e1SGerd Hoffmann if ((intr->er_ep_idx+1) % intr->er_size == dp_idx) { 950f1ae32a1SGerd Hoffmann DPRINTF("xhci_event(): ER full, queueing\n"); 951f1ae32a1SGerd Hoffmann #ifndef ER_FULL_HACK 952f1ae32a1SGerd Hoffmann XHCIEvent full = {ER_HOST_CONTROLLER, CC_EVENT_RING_FULL_ERROR}; 953f1ae32a1SGerd Hoffmann xhci_write_event(xhci, &full); 954f1ae32a1SGerd Hoffmann #endif 955962d11e1SGerd Hoffmann intr->er_full = 1; 956962d11e1SGerd Hoffmann if (((intr->ev_buffer_put+1) % EV_QUEUE) == intr->ev_buffer_get) { 957d6bb65fcSGerd Hoffmann DPRINTF("xhci: event queue full, dropping event!\n"); 958f1ae32a1SGerd Hoffmann return; 959f1ae32a1SGerd Hoffmann } 960962d11e1SGerd Hoffmann intr->ev_buffer[intr->ev_buffer_put++] = *event; 961962d11e1SGerd Hoffmann if (intr->ev_buffer_put == EV_QUEUE) { 962962d11e1SGerd Hoffmann intr->ev_buffer_put = 0; 963f1ae32a1SGerd Hoffmann } 964f1ae32a1SGerd Hoffmann } else { 965962d11e1SGerd Hoffmann xhci_write_event(xhci, event, v); 966f1ae32a1SGerd Hoffmann } 967f1ae32a1SGerd Hoffmann 968962d11e1SGerd Hoffmann xhci_intr_raise(xhci, v); 969f1ae32a1SGerd Hoffmann } 970f1ae32a1SGerd Hoffmann 971f1ae32a1SGerd Hoffmann static void xhci_ring_init(XHCIState *xhci, XHCIRing *ring, 97259a70ccdSDavid Gibson dma_addr_t base) 973f1ae32a1SGerd Hoffmann { 974f1ae32a1SGerd Hoffmann ring->dequeue = base; 975f1ae32a1SGerd Hoffmann ring->ccs = 1; 976f1ae32a1SGerd Hoffmann } 977f1ae32a1SGerd Hoffmann 978f1ae32a1SGerd Hoffmann static TRBType xhci_ring_fetch(XHCIState *xhci, XHCIRing *ring, XHCITRB *trb, 97959a70ccdSDavid Gibson dma_addr_t *addr) 980f1ae32a1SGerd Hoffmann { 9819b7d3334SAndreas Färber PCIDevice *pci_dev = PCI_DEVICE(xhci); 9829b7d3334SAndreas Färber 983f1ae32a1SGerd Hoffmann while (1) { 984f1ae32a1SGerd Hoffmann TRBType type; 9859b7d3334SAndreas Färber pci_dma_read(pci_dev, ring->dequeue, trb, TRB_SIZE); 986f1ae32a1SGerd Hoffmann trb->addr = ring->dequeue; 987f1ae32a1SGerd Hoffmann trb->ccs = ring->ccs; 988f1ae32a1SGerd Hoffmann le64_to_cpus(&trb->parameter); 989f1ae32a1SGerd Hoffmann le32_to_cpus(&trb->status); 990f1ae32a1SGerd Hoffmann le32_to_cpus(&trb->control); 991f1ae32a1SGerd Hoffmann 9920703a4a7SGerd Hoffmann trace_usb_xhci_fetch_trb(ring->dequeue, trb_name(trb), 9930703a4a7SGerd Hoffmann trb->parameter, trb->status, trb->control); 994f1ae32a1SGerd Hoffmann 995f1ae32a1SGerd Hoffmann if ((trb->control & TRB_C) != ring->ccs) { 996f1ae32a1SGerd Hoffmann return 0; 997f1ae32a1SGerd Hoffmann } 998f1ae32a1SGerd Hoffmann 999f1ae32a1SGerd Hoffmann type = TRB_TYPE(*trb); 1000f1ae32a1SGerd Hoffmann 1001f1ae32a1SGerd Hoffmann if (type != TR_LINK) { 1002f1ae32a1SGerd Hoffmann if (addr) { 1003f1ae32a1SGerd Hoffmann *addr = ring->dequeue; 1004f1ae32a1SGerd Hoffmann } 1005f1ae32a1SGerd Hoffmann ring->dequeue += TRB_SIZE; 1006f1ae32a1SGerd Hoffmann return type; 1007f1ae32a1SGerd Hoffmann } else { 1008f1ae32a1SGerd Hoffmann ring->dequeue = xhci_mask64(trb->parameter); 1009f1ae32a1SGerd Hoffmann if (trb->control & TRB_LK_TC) { 1010f1ae32a1SGerd Hoffmann ring->ccs = !ring->ccs; 1011f1ae32a1SGerd Hoffmann } 1012f1ae32a1SGerd Hoffmann } 1013f1ae32a1SGerd Hoffmann } 1014f1ae32a1SGerd Hoffmann } 1015f1ae32a1SGerd Hoffmann 1016f1ae32a1SGerd Hoffmann static int xhci_ring_chain_length(XHCIState *xhci, const XHCIRing *ring) 1017f1ae32a1SGerd Hoffmann { 10189b7d3334SAndreas Färber PCIDevice *pci_dev = PCI_DEVICE(xhci); 1019f1ae32a1SGerd Hoffmann XHCITRB trb; 1020f1ae32a1SGerd Hoffmann int length = 0; 102159a70ccdSDavid Gibson dma_addr_t dequeue = ring->dequeue; 1022f1ae32a1SGerd Hoffmann bool ccs = ring->ccs; 1023f1ae32a1SGerd Hoffmann /* hack to bundle together the two/three TDs that make a setup transfer */ 1024f1ae32a1SGerd Hoffmann bool control_td_set = 0; 1025f1ae32a1SGerd Hoffmann 1026f1ae32a1SGerd Hoffmann while (1) { 1027f1ae32a1SGerd Hoffmann TRBType type; 10289b7d3334SAndreas Färber pci_dma_read(pci_dev, dequeue, &trb, TRB_SIZE); 1029f1ae32a1SGerd Hoffmann le64_to_cpus(&trb.parameter); 1030f1ae32a1SGerd Hoffmann le32_to_cpus(&trb.status); 1031f1ae32a1SGerd Hoffmann le32_to_cpus(&trb.control); 1032f1ae32a1SGerd Hoffmann 1033f1ae32a1SGerd Hoffmann if ((trb.control & TRB_C) != ccs) { 1034f1ae32a1SGerd Hoffmann return -length; 1035f1ae32a1SGerd Hoffmann } 1036f1ae32a1SGerd Hoffmann 1037f1ae32a1SGerd Hoffmann type = TRB_TYPE(trb); 1038f1ae32a1SGerd Hoffmann 1039f1ae32a1SGerd Hoffmann if (type == TR_LINK) { 1040f1ae32a1SGerd Hoffmann dequeue = xhci_mask64(trb.parameter); 1041f1ae32a1SGerd Hoffmann if (trb.control & TRB_LK_TC) { 1042f1ae32a1SGerd Hoffmann ccs = !ccs; 1043f1ae32a1SGerd Hoffmann } 1044f1ae32a1SGerd Hoffmann continue; 1045f1ae32a1SGerd Hoffmann } 1046f1ae32a1SGerd Hoffmann 1047f1ae32a1SGerd Hoffmann length += 1; 1048f1ae32a1SGerd Hoffmann dequeue += TRB_SIZE; 1049f1ae32a1SGerd Hoffmann 1050f1ae32a1SGerd Hoffmann if (type == TR_SETUP) { 1051f1ae32a1SGerd Hoffmann control_td_set = 1; 1052f1ae32a1SGerd Hoffmann } else if (type == TR_STATUS) { 1053f1ae32a1SGerd Hoffmann control_td_set = 0; 1054f1ae32a1SGerd Hoffmann } 1055f1ae32a1SGerd Hoffmann 1056f1ae32a1SGerd Hoffmann if (!control_td_set && !(trb.control & TRB_TR_CH)) { 1057f1ae32a1SGerd Hoffmann return length; 1058f1ae32a1SGerd Hoffmann } 1059f1ae32a1SGerd Hoffmann } 1060f1ae32a1SGerd Hoffmann } 1061f1ae32a1SGerd Hoffmann 1062962d11e1SGerd Hoffmann static void xhci_er_reset(XHCIState *xhci, int v) 1063f1ae32a1SGerd Hoffmann { 1064962d11e1SGerd Hoffmann XHCIInterrupter *intr = &xhci->intr[v]; 1065f1ae32a1SGerd Hoffmann XHCIEvRingSeg seg; 1066f1ae32a1SGerd Hoffmann 1067e099ad4bSGerd Hoffmann if (intr->erstsz == 0) { 1068e099ad4bSGerd Hoffmann /* disabled */ 1069e099ad4bSGerd Hoffmann intr->er_start = 0; 1070e099ad4bSGerd Hoffmann intr->er_size = 0; 1071e099ad4bSGerd Hoffmann return; 1072e099ad4bSGerd Hoffmann } 1073f1ae32a1SGerd Hoffmann /* cache the (sole) event ring segment location */ 1074962d11e1SGerd Hoffmann if (intr->erstsz != 1) { 1075d6bb65fcSGerd Hoffmann DPRINTF("xhci: invalid value for ERSTSZ: %d\n", intr->erstsz); 1076f1ae32a1SGerd Hoffmann xhci_die(xhci); 1077f1ae32a1SGerd Hoffmann return; 1078f1ae32a1SGerd Hoffmann } 1079962d11e1SGerd Hoffmann dma_addr_t erstba = xhci_addr64(intr->erstba_low, intr->erstba_high); 10809b7d3334SAndreas Färber pci_dma_read(PCI_DEVICE(xhci), erstba, &seg, sizeof(seg)); 1081f1ae32a1SGerd Hoffmann le32_to_cpus(&seg.addr_low); 1082f1ae32a1SGerd Hoffmann le32_to_cpus(&seg.addr_high); 1083f1ae32a1SGerd Hoffmann le32_to_cpus(&seg.size); 1084f1ae32a1SGerd Hoffmann if (seg.size < 16 || seg.size > 4096) { 1085d6bb65fcSGerd Hoffmann DPRINTF("xhci: invalid value for segment size: %d\n", seg.size); 1086f1ae32a1SGerd Hoffmann xhci_die(xhci); 1087f1ae32a1SGerd Hoffmann return; 1088f1ae32a1SGerd Hoffmann } 1089962d11e1SGerd Hoffmann intr->er_start = xhci_addr64(seg.addr_low, seg.addr_high); 1090962d11e1SGerd Hoffmann intr->er_size = seg.size; 1091f1ae32a1SGerd Hoffmann 1092962d11e1SGerd Hoffmann intr->er_ep_idx = 0; 1093962d11e1SGerd Hoffmann intr->er_pcs = 1; 1094962d11e1SGerd Hoffmann intr->er_full = 0; 1095f1ae32a1SGerd Hoffmann 1096962d11e1SGerd Hoffmann DPRINTF("xhci: event ring[%d]:" DMA_ADDR_FMT " [%d]\n", 1097962d11e1SGerd Hoffmann v, intr->er_start, intr->er_size); 1098f1ae32a1SGerd Hoffmann } 1099f1ae32a1SGerd Hoffmann 1100f1ae32a1SGerd Hoffmann static void xhci_run(XHCIState *xhci) 1101f1ae32a1SGerd Hoffmann { 1102fc0ddacaSGerd Hoffmann trace_usb_xhci_run(); 1103f1ae32a1SGerd Hoffmann xhci->usbsts &= ~USBSTS_HCH; 1104bc72ad67SAlex Bligh xhci->mfindex_start = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL); 1105f1ae32a1SGerd Hoffmann } 1106f1ae32a1SGerd Hoffmann 1107f1ae32a1SGerd Hoffmann static void xhci_stop(XHCIState *xhci) 1108f1ae32a1SGerd Hoffmann { 1109fc0ddacaSGerd Hoffmann trace_usb_xhci_stop(); 1110f1ae32a1SGerd Hoffmann xhci->usbsts |= USBSTS_HCH; 1111f1ae32a1SGerd Hoffmann xhci->crcr_low &= ~CRCR_CRR; 1112f1ae32a1SGerd Hoffmann } 1113f1ae32a1SGerd Hoffmann 1114024426acSGerd Hoffmann static XHCIStreamContext *xhci_alloc_stream_contexts(unsigned count, 1115024426acSGerd Hoffmann dma_addr_t base) 1116024426acSGerd Hoffmann { 1117024426acSGerd Hoffmann XHCIStreamContext *stctx; 1118024426acSGerd Hoffmann unsigned int i; 1119024426acSGerd Hoffmann 1120024426acSGerd Hoffmann stctx = g_new0(XHCIStreamContext, count); 1121024426acSGerd Hoffmann for (i = 0; i < count; i++) { 1122024426acSGerd Hoffmann stctx[i].pctx = base + i * 16; 1123024426acSGerd Hoffmann stctx[i].sct = -1; 1124024426acSGerd Hoffmann } 1125024426acSGerd Hoffmann return stctx; 1126024426acSGerd Hoffmann } 1127024426acSGerd Hoffmann 1128024426acSGerd Hoffmann static void xhci_reset_streams(XHCIEPContext *epctx) 1129024426acSGerd Hoffmann { 1130024426acSGerd Hoffmann unsigned int i; 1131024426acSGerd Hoffmann 1132024426acSGerd Hoffmann for (i = 0; i < epctx->nr_pstreams; i++) { 1133024426acSGerd Hoffmann epctx->pstreams[i].sct = -1; 1134024426acSGerd Hoffmann } 1135024426acSGerd Hoffmann } 1136024426acSGerd Hoffmann 1137024426acSGerd Hoffmann static void xhci_alloc_streams(XHCIEPContext *epctx, dma_addr_t base) 1138024426acSGerd Hoffmann { 1139024426acSGerd Hoffmann assert(epctx->pstreams == NULL); 1140d063c311SHans de Goede epctx->nr_pstreams = 2 << (epctx->max_pstreams + 1); 1141024426acSGerd Hoffmann epctx->pstreams = xhci_alloc_stream_contexts(epctx->nr_pstreams, base); 1142024426acSGerd Hoffmann } 1143024426acSGerd Hoffmann 1144024426acSGerd Hoffmann static void xhci_free_streams(XHCIEPContext *epctx) 1145024426acSGerd Hoffmann { 1146024426acSGerd Hoffmann assert(epctx->pstreams != NULL); 1147024426acSGerd Hoffmann 1148024426acSGerd Hoffmann g_free(epctx->pstreams); 1149024426acSGerd Hoffmann epctx->pstreams = NULL; 1150024426acSGerd Hoffmann epctx->nr_pstreams = 0; 1151024426acSGerd Hoffmann } 1152024426acSGerd Hoffmann 115372391da5SHans de Goede static int xhci_epmask_to_eps_with_streams(XHCIState *xhci, 115472391da5SHans de Goede unsigned int slotid, 115572391da5SHans de Goede uint32_t epmask, 115672391da5SHans de Goede XHCIEPContext **epctxs, 115772391da5SHans de Goede USBEndpoint **eps) 115872391da5SHans de Goede { 115972391da5SHans de Goede XHCISlot *slot; 116072391da5SHans de Goede XHCIEPContext *epctx; 116172391da5SHans de Goede USBEndpoint *ep; 116272391da5SHans de Goede int i, j; 116372391da5SHans de Goede 116472391da5SHans de Goede assert(slotid >= 1 && slotid <= xhci->numslots); 116572391da5SHans de Goede 116672391da5SHans de Goede slot = &xhci->slots[slotid - 1]; 116772391da5SHans de Goede 116872391da5SHans de Goede for (i = 2, j = 0; i <= 31; i++) { 116972391da5SHans de Goede if (!(epmask & (1 << i))) { 117072391da5SHans de Goede continue; 117172391da5SHans de Goede } 117272391da5SHans de Goede 117372391da5SHans de Goede epctx = slot->eps[i - 1]; 117472391da5SHans de Goede ep = xhci_epid_to_usbep(xhci, slotid, i); 117572391da5SHans de Goede if (!epctx || !epctx->nr_pstreams || !ep) { 117672391da5SHans de Goede continue; 117772391da5SHans de Goede } 117872391da5SHans de Goede 117972391da5SHans de Goede if (epctxs) { 118072391da5SHans de Goede epctxs[j] = epctx; 118172391da5SHans de Goede } 118272391da5SHans de Goede eps[j++] = ep; 118372391da5SHans de Goede } 118472391da5SHans de Goede return j; 118572391da5SHans de Goede } 118672391da5SHans de Goede 118772391da5SHans de Goede static void xhci_free_device_streams(XHCIState *xhci, unsigned int slotid, 118872391da5SHans de Goede uint32_t epmask) 118972391da5SHans de Goede { 119072391da5SHans de Goede USBEndpoint *eps[30]; 119172391da5SHans de Goede int nr_eps; 119272391da5SHans de Goede 119372391da5SHans de Goede nr_eps = xhci_epmask_to_eps_with_streams(xhci, slotid, epmask, NULL, eps); 119472391da5SHans de Goede if (nr_eps) { 119572391da5SHans de Goede usb_device_free_streams(eps[0]->dev, eps, nr_eps); 119672391da5SHans de Goede } 119772391da5SHans de Goede } 119872391da5SHans de Goede 119972391da5SHans de Goede static TRBCCode xhci_alloc_device_streams(XHCIState *xhci, unsigned int slotid, 120072391da5SHans de Goede uint32_t epmask) 120172391da5SHans de Goede { 120272391da5SHans de Goede XHCIEPContext *epctxs[30]; 120372391da5SHans de Goede USBEndpoint *eps[30]; 120472391da5SHans de Goede int i, r, nr_eps, req_nr_streams, dev_max_streams; 120572391da5SHans de Goede 120672391da5SHans de Goede nr_eps = xhci_epmask_to_eps_with_streams(xhci, slotid, epmask, epctxs, 120772391da5SHans de Goede eps); 120872391da5SHans de Goede if (nr_eps == 0) { 120972391da5SHans de Goede return CC_SUCCESS; 121072391da5SHans de Goede } 121172391da5SHans de Goede 121272391da5SHans de Goede req_nr_streams = epctxs[0]->nr_pstreams; 121372391da5SHans de Goede dev_max_streams = eps[0]->max_streams; 121472391da5SHans de Goede 121572391da5SHans de Goede for (i = 1; i < nr_eps; i++) { 121672391da5SHans de Goede /* 121772391da5SHans de Goede * HdG: I don't expect these to ever trigger, but if they do we need 121872391da5SHans de Goede * to come up with another solution, ie group identical endpoints 121972391da5SHans de Goede * together and make an usb_device_alloc_streams call per group. 122072391da5SHans de Goede */ 122172391da5SHans de Goede if (epctxs[i]->nr_pstreams != req_nr_streams) { 122272391da5SHans de Goede FIXME("guest streams config not identical for all eps"); 122372391da5SHans de Goede return CC_RESOURCE_ERROR; 122472391da5SHans de Goede } 122572391da5SHans de Goede if (eps[i]->max_streams != dev_max_streams) { 122672391da5SHans de Goede FIXME("device streams config not identical for all eps"); 122772391da5SHans de Goede return CC_RESOURCE_ERROR; 122872391da5SHans de Goede } 122972391da5SHans de Goede } 123072391da5SHans de Goede 123172391da5SHans de Goede /* 123272391da5SHans de Goede * max-streams in both the device descriptor and in the controller is a 123372391da5SHans de Goede * power of 2. But stream id 0 is reserved, so if a device can do up to 4 123472391da5SHans de Goede * streams the guest will ask for 5 rounded up to the next power of 2 which 123572391da5SHans de Goede * becomes 8. For emulated devices usb_device_alloc_streams is a nop. 123672391da5SHans de Goede * 123772391da5SHans de Goede * For redirected devices however this is an issue, as there we must ask 123872391da5SHans de Goede * the real xhci controller to alloc streams, and the host driver for the 123972391da5SHans de Goede * real xhci controller will likely disallow allocating more streams then 124072391da5SHans de Goede * the device can handle. 124172391da5SHans de Goede * 124272391da5SHans de Goede * So we limit the requested nr_streams to the maximum number the device 124372391da5SHans de Goede * can handle. 124472391da5SHans de Goede */ 124572391da5SHans de Goede if (req_nr_streams > dev_max_streams) { 124672391da5SHans de Goede req_nr_streams = dev_max_streams; 124772391da5SHans de Goede } 124872391da5SHans de Goede 124972391da5SHans de Goede r = usb_device_alloc_streams(eps[0]->dev, eps, nr_eps, req_nr_streams); 125072391da5SHans de Goede if (r != 0) { 1251d6bb65fcSGerd Hoffmann DPRINTF("xhci: alloc streams failed\n"); 125272391da5SHans de Goede return CC_RESOURCE_ERROR; 125372391da5SHans de Goede } 125472391da5SHans de Goede 125572391da5SHans de Goede return CC_SUCCESS; 125672391da5SHans de Goede } 125772391da5SHans de Goede 1258024426acSGerd Hoffmann static XHCIStreamContext *xhci_find_stream(XHCIEPContext *epctx, 1259024426acSGerd Hoffmann unsigned int streamid, 1260024426acSGerd Hoffmann uint32_t *cc_error) 1261024426acSGerd Hoffmann { 1262024426acSGerd Hoffmann XHCIStreamContext *sctx; 1263024426acSGerd Hoffmann dma_addr_t base; 1264024426acSGerd Hoffmann uint32_t ctx[2], sct; 1265024426acSGerd Hoffmann 1266024426acSGerd Hoffmann assert(streamid != 0); 1267024426acSGerd Hoffmann if (epctx->lsa) { 1268024426acSGerd Hoffmann if (streamid >= epctx->nr_pstreams) { 1269024426acSGerd Hoffmann *cc_error = CC_INVALID_STREAM_ID_ERROR; 1270024426acSGerd Hoffmann return NULL; 1271024426acSGerd Hoffmann } 1272024426acSGerd Hoffmann sctx = epctx->pstreams + streamid; 1273024426acSGerd Hoffmann } else { 1274024426acSGerd Hoffmann FIXME("secondary streams not implemented yet"); 1275024426acSGerd Hoffmann } 1276024426acSGerd Hoffmann 1277024426acSGerd Hoffmann if (sctx->sct == -1) { 1278024426acSGerd Hoffmann xhci_dma_read_u32s(epctx->xhci, sctx->pctx, ctx, sizeof(ctx)); 1279024426acSGerd Hoffmann sct = (ctx[0] >> 1) & 0x07; 1280024426acSGerd Hoffmann if (epctx->lsa && sct != 1) { 1281024426acSGerd Hoffmann *cc_error = CC_INVALID_STREAM_TYPE_ERROR; 1282024426acSGerd Hoffmann return NULL; 1283024426acSGerd Hoffmann } 1284024426acSGerd Hoffmann sctx->sct = sct; 1285024426acSGerd Hoffmann base = xhci_addr64(ctx[0] & ~0xf, ctx[1]); 1286024426acSGerd Hoffmann xhci_ring_init(epctx->xhci, &sctx->ring, base); 1287024426acSGerd Hoffmann } 1288024426acSGerd Hoffmann return sctx; 1289024426acSGerd Hoffmann } 1290024426acSGerd Hoffmann 1291f1ae32a1SGerd Hoffmann static void xhci_set_ep_state(XHCIState *xhci, XHCIEPContext *epctx, 1292024426acSGerd Hoffmann XHCIStreamContext *sctx, uint32_t state) 1293f1ae32a1SGerd Hoffmann { 1294c90daa1cSHans de Goede XHCIRing *ring = NULL; 1295f1ae32a1SGerd Hoffmann uint32_t ctx[5]; 1296024426acSGerd Hoffmann uint32_t ctx2[2]; 1297f1ae32a1SGerd Hoffmann 1298616b5d53SDavid Gibson xhci_dma_read_u32s(xhci, epctx->pctx, ctx, sizeof(ctx)); 1299f1ae32a1SGerd Hoffmann ctx[0] &= ~EP_STATE_MASK; 1300f1ae32a1SGerd Hoffmann ctx[0] |= state; 1301024426acSGerd Hoffmann 1302024426acSGerd Hoffmann /* update ring dequeue ptr */ 1303024426acSGerd Hoffmann if (epctx->nr_pstreams) { 1304024426acSGerd Hoffmann if (sctx != NULL) { 1305c90daa1cSHans de Goede ring = &sctx->ring; 1306024426acSGerd Hoffmann xhci_dma_read_u32s(xhci, sctx->pctx, ctx2, sizeof(ctx2)); 1307024426acSGerd Hoffmann ctx2[0] &= 0xe; 1308024426acSGerd Hoffmann ctx2[0] |= sctx->ring.dequeue | sctx->ring.ccs; 1309024426acSGerd Hoffmann ctx2[1] = (sctx->ring.dequeue >> 16) >> 16; 1310024426acSGerd Hoffmann xhci_dma_write_u32s(xhci, sctx->pctx, ctx2, sizeof(ctx2)); 1311024426acSGerd Hoffmann } 1312024426acSGerd Hoffmann } else { 1313c90daa1cSHans de Goede ring = &epctx->ring; 1314c90daa1cSHans de Goede } 1315c90daa1cSHans de Goede if (ring) { 1316c90daa1cSHans de Goede ctx[2] = ring->dequeue | ring->ccs; 1317c90daa1cSHans de Goede ctx[3] = (ring->dequeue >> 16) >> 16; 1318c90daa1cSHans de Goede 131959a70ccdSDavid Gibson DPRINTF("xhci: set epctx: " DMA_ADDR_FMT " state=%d dequeue=%08x%08x\n", 1320f1ae32a1SGerd Hoffmann epctx->pctx, state, ctx[3], ctx[2]); 1321024426acSGerd Hoffmann } 1322024426acSGerd Hoffmann 1323616b5d53SDavid Gibson xhci_dma_write_u32s(xhci, epctx->pctx, ctx, sizeof(ctx)); 13241c82392aSGerd Hoffmann if (epctx->state != state) { 13251c82392aSGerd Hoffmann trace_usb_xhci_ep_state(epctx->slotid, epctx->epid, 13261c82392aSGerd Hoffmann ep_state_name(epctx->state), 13271c82392aSGerd Hoffmann ep_state_name(state)); 13281c82392aSGerd Hoffmann } 1329f1ae32a1SGerd Hoffmann epctx->state = state; 1330f1ae32a1SGerd Hoffmann } 1331f1ae32a1SGerd Hoffmann 13323d139684SGerd Hoffmann static void xhci_ep_kick_timer(void *opaque) 13333d139684SGerd Hoffmann { 13343d139684SGerd Hoffmann XHCIEPContext *epctx = opaque; 1335024426acSGerd Hoffmann xhci_kick_ep(epctx->xhci, epctx->slotid, epctx->epid, 0); 13363d139684SGerd Hoffmann } 13373d139684SGerd Hoffmann 1338492b21f6SGerd Hoffmann static XHCIEPContext *xhci_alloc_epctx(XHCIState *xhci, 1339492b21f6SGerd Hoffmann unsigned int slotid, 1340492b21f6SGerd Hoffmann unsigned int epid) 1341492b21f6SGerd Hoffmann { 1342492b21f6SGerd Hoffmann XHCIEPContext *epctx; 1343492b21f6SGerd Hoffmann int i; 1344492b21f6SGerd Hoffmann 1345492b21f6SGerd Hoffmann epctx = g_new0(XHCIEPContext, 1); 1346492b21f6SGerd Hoffmann epctx->xhci = xhci; 1347492b21f6SGerd Hoffmann epctx->slotid = slotid; 1348492b21f6SGerd Hoffmann epctx->epid = epid; 1349492b21f6SGerd Hoffmann 1350492b21f6SGerd Hoffmann for (i = 0; i < ARRAY_SIZE(epctx->transfers); i++) { 13514c5d82ecSHans de Goede epctx->transfers[i].xhci = xhci; 13524c5d82ecSHans de Goede epctx->transfers[i].slotid = slotid; 13534c5d82ecSHans de Goede epctx->transfers[i].epid = epid; 1354492b21f6SGerd Hoffmann usb_packet_init(&epctx->transfers[i].packet); 1355492b21f6SGerd Hoffmann } 1356bc72ad67SAlex Bligh epctx->kick_timer = timer_new_ns(QEMU_CLOCK_VIRTUAL, xhci_ep_kick_timer, epctx); 1357492b21f6SGerd Hoffmann 1358492b21f6SGerd Hoffmann return epctx; 1359492b21f6SGerd Hoffmann } 1360492b21f6SGerd Hoffmann 1361003e15a1SGerd Hoffmann static void xhci_init_epctx(XHCIEPContext *epctx, 1362003e15a1SGerd Hoffmann dma_addr_t pctx, uint32_t *ctx) 1363f1ae32a1SGerd Hoffmann { 136459a70ccdSDavid Gibson dma_addr_t dequeue; 1365f1ae32a1SGerd Hoffmann 1366f1ae32a1SGerd Hoffmann dequeue = xhci_addr64(ctx[2] & ~0xf, ctx[3]); 1367f1ae32a1SGerd Hoffmann 1368f1ae32a1SGerd Hoffmann epctx->type = (ctx[1] >> EP_TYPE_SHIFT) & EP_TYPE_MASK; 1369f1ae32a1SGerd Hoffmann DPRINTF("xhci: endpoint %d.%d type is %d\n", epid/2, epid%2, epctx->type); 1370f1ae32a1SGerd Hoffmann epctx->pctx = pctx; 1371f1ae32a1SGerd Hoffmann epctx->max_psize = ctx[1]>>16; 1372f1ae32a1SGerd Hoffmann epctx->max_psize *= 1+((ctx[1]>>8)&0xff); 1373024426acSGerd Hoffmann epctx->max_pstreams = (ctx[0] >> 10) & 0xf; 1374024426acSGerd Hoffmann epctx->lsa = (ctx[0] >> 15) & 1; 1375f1ae32a1SGerd Hoffmann DPRINTF("xhci: endpoint %d.%d max transaction (burst) size is %d\n", 1376f1ae32a1SGerd Hoffmann epid/2, epid%2, epctx->max_psize); 1377024426acSGerd Hoffmann if (epctx->max_pstreams) { 1378024426acSGerd Hoffmann xhci_alloc_streams(epctx, dequeue); 1379024426acSGerd Hoffmann } else { 1380003e15a1SGerd Hoffmann xhci_ring_init(epctx->xhci, &epctx->ring, dequeue); 1381024426acSGerd Hoffmann epctx->ring.ccs = ctx[2] & 1; 1382024426acSGerd Hoffmann } 1383f1ae32a1SGerd Hoffmann 1384ca716278SGerd Hoffmann epctx->interval = 1 << ((ctx[0] >> 16) & 0xff); 1385003e15a1SGerd Hoffmann } 1386003e15a1SGerd Hoffmann 1387003e15a1SGerd Hoffmann static TRBCCode xhci_enable_ep(XHCIState *xhci, unsigned int slotid, 1388003e15a1SGerd Hoffmann unsigned int epid, dma_addr_t pctx, 1389003e15a1SGerd Hoffmann uint32_t *ctx) 1390003e15a1SGerd Hoffmann { 1391003e15a1SGerd Hoffmann XHCISlot *slot; 1392003e15a1SGerd Hoffmann XHCIEPContext *epctx; 1393003e15a1SGerd Hoffmann 1394003e15a1SGerd Hoffmann trace_usb_xhci_ep_enable(slotid, epid); 1395003e15a1SGerd Hoffmann assert(slotid >= 1 && slotid <= xhci->numslots); 1396003e15a1SGerd Hoffmann assert(epid >= 1 && epid <= 31); 1397003e15a1SGerd Hoffmann 1398003e15a1SGerd Hoffmann slot = &xhci->slots[slotid-1]; 1399003e15a1SGerd Hoffmann if (slot->eps[epid-1]) { 1400003e15a1SGerd Hoffmann xhci_disable_ep(xhci, slotid, epid); 1401003e15a1SGerd Hoffmann } 1402003e15a1SGerd Hoffmann 1403003e15a1SGerd Hoffmann epctx = xhci_alloc_epctx(xhci, slotid, epid); 1404003e15a1SGerd Hoffmann slot->eps[epid-1] = epctx; 1405003e15a1SGerd Hoffmann xhci_init_epctx(epctx, pctx, ctx); 1406003e15a1SGerd Hoffmann 14073d139684SGerd Hoffmann epctx->mfindex_last = 0; 14083d139684SGerd Hoffmann 1409f1ae32a1SGerd Hoffmann epctx->state = EP_RUNNING; 1410f1ae32a1SGerd Hoffmann ctx[0] &= ~EP_STATE_MASK; 1411f1ae32a1SGerd Hoffmann ctx[0] |= EP_RUNNING; 1412f1ae32a1SGerd Hoffmann 1413f1ae32a1SGerd Hoffmann return CC_SUCCESS; 1414f1ae32a1SGerd Hoffmann } 1415f1ae32a1SGerd Hoffmann 1416582d6f4aSHans de Goede static int xhci_ep_nuke_one_xfer(XHCITransfer *t, TRBCCode report) 14173151f209SHans de Goede { 14183151f209SHans de Goede int killed = 0; 14193151f209SHans de Goede 1420582d6f4aSHans de Goede if (report && (t->running_async || t->running_retry)) { 1421582d6f4aSHans de Goede t->status = report; 1422582d6f4aSHans de Goede xhci_xfer_report(t); 1423582d6f4aSHans de Goede } 1424582d6f4aSHans de Goede 14253151f209SHans de Goede if (t->running_async) { 14263151f209SHans de Goede usb_cancel_packet(&t->packet); 14273151f209SHans de Goede t->running_async = 0; 14283151f209SHans de Goede killed = 1; 14293151f209SHans de Goede } 14303151f209SHans de Goede if (t->running_retry) { 14313151f209SHans de Goede XHCIEPContext *epctx = t->xhci->slots[t->slotid-1].eps[t->epid-1]; 14323151f209SHans de Goede if (epctx) { 14333151f209SHans de Goede epctx->retry = NULL; 1434bc72ad67SAlex Bligh timer_del(epctx->kick_timer); 14353151f209SHans de Goede } 14363151f209SHans de Goede t->running_retry = 0; 1437582d6f4aSHans de Goede killed = 1; 14383151f209SHans de Goede } 14393151f209SHans de Goede if (t->trbs) { 14403151f209SHans de Goede g_free(t->trbs); 14413151f209SHans de Goede } 14423151f209SHans de Goede 14433151f209SHans de Goede t->trbs = NULL; 14443151f209SHans de Goede t->trb_count = t->trb_alloced = 0; 14453151f209SHans de Goede 14463151f209SHans de Goede return killed; 14473151f209SHans de Goede } 14483151f209SHans de Goede 1449f1ae32a1SGerd Hoffmann static int xhci_ep_nuke_xfers(XHCIState *xhci, unsigned int slotid, 1450582d6f4aSHans de Goede unsigned int epid, TRBCCode report) 1451f1ae32a1SGerd Hoffmann { 1452f1ae32a1SGerd Hoffmann XHCISlot *slot; 1453f1ae32a1SGerd Hoffmann XHCIEPContext *epctx; 1454f1ae32a1SGerd Hoffmann int i, xferi, killed = 0; 1455f79738b0SHans de Goede USBEndpoint *ep = NULL; 145691062ae0SGerd Hoffmann assert(slotid >= 1 && slotid <= xhci->numslots); 1457f1ae32a1SGerd Hoffmann assert(epid >= 1 && epid <= 31); 1458f1ae32a1SGerd Hoffmann 1459f1ae32a1SGerd Hoffmann DPRINTF("xhci_ep_nuke_xfers(%d, %d)\n", slotid, epid); 1460f1ae32a1SGerd Hoffmann 1461f1ae32a1SGerd Hoffmann slot = &xhci->slots[slotid-1]; 1462f1ae32a1SGerd Hoffmann 1463f1ae32a1SGerd Hoffmann if (!slot->eps[epid-1]) { 1464f1ae32a1SGerd Hoffmann return 0; 1465f1ae32a1SGerd Hoffmann } 1466f1ae32a1SGerd Hoffmann 1467f1ae32a1SGerd Hoffmann epctx = slot->eps[epid-1]; 1468f1ae32a1SGerd Hoffmann 1469f1ae32a1SGerd Hoffmann xferi = epctx->next_xfer; 1470f1ae32a1SGerd Hoffmann for (i = 0; i < TD_QUEUE; i++) { 1471582d6f4aSHans de Goede killed += xhci_ep_nuke_one_xfer(&epctx->transfers[xferi], report); 1472582d6f4aSHans de Goede if (killed) { 1473582d6f4aSHans de Goede report = 0; /* Only report once */ 1474582d6f4aSHans de Goede } 14750cb41e2cSGerd Hoffmann epctx->transfers[xferi].packet.ep = NULL; 1476f1ae32a1SGerd Hoffmann xferi = (xferi + 1) % TD_QUEUE; 1477f1ae32a1SGerd Hoffmann } 1478518ad5f2SHans de Goede 1479518ad5f2SHans de Goede ep = xhci_epid_to_usbep(xhci, slotid, epid); 1480f79738b0SHans de Goede if (ep) { 1481f79738b0SHans de Goede usb_device_ep_stopped(ep->dev, ep); 1482f79738b0SHans de Goede } 1483f1ae32a1SGerd Hoffmann return killed; 1484f1ae32a1SGerd Hoffmann } 1485f1ae32a1SGerd Hoffmann 1486f1ae32a1SGerd Hoffmann static TRBCCode xhci_disable_ep(XHCIState *xhci, unsigned int slotid, 1487f1ae32a1SGerd Hoffmann unsigned int epid) 1488f1ae32a1SGerd Hoffmann { 1489f1ae32a1SGerd Hoffmann XHCISlot *slot; 1490f1ae32a1SGerd Hoffmann XHCIEPContext *epctx; 1491b21da4e5SHans de Goede int i; 1492f1ae32a1SGerd Hoffmann 1493c1f6b493SGerd Hoffmann trace_usb_xhci_ep_disable(slotid, epid); 149491062ae0SGerd Hoffmann assert(slotid >= 1 && slotid <= xhci->numslots); 1495f1ae32a1SGerd Hoffmann assert(epid >= 1 && epid <= 31); 1496f1ae32a1SGerd Hoffmann 1497f1ae32a1SGerd Hoffmann slot = &xhci->slots[slotid-1]; 1498f1ae32a1SGerd Hoffmann 1499f1ae32a1SGerd Hoffmann if (!slot->eps[epid-1]) { 1500f1ae32a1SGerd Hoffmann DPRINTF("xhci: slot %d ep %d already disabled\n", slotid, epid); 1501f1ae32a1SGerd Hoffmann return CC_SUCCESS; 1502f1ae32a1SGerd Hoffmann } 1503f1ae32a1SGerd Hoffmann 1504582d6f4aSHans de Goede xhci_ep_nuke_xfers(xhci, slotid, epid, 0); 1505f1ae32a1SGerd Hoffmann 1506f1ae32a1SGerd Hoffmann epctx = slot->eps[epid-1]; 1507f1ae32a1SGerd Hoffmann 1508024426acSGerd Hoffmann if (epctx->nr_pstreams) { 1509024426acSGerd Hoffmann xhci_free_streams(epctx); 1510024426acSGerd Hoffmann } 1511024426acSGerd Hoffmann 1512b21da4e5SHans de Goede for (i = 0; i < ARRAY_SIZE(epctx->transfers); i++) { 1513b21da4e5SHans de Goede usb_packet_cleanup(&epctx->transfers[i].packet); 1514b21da4e5SHans de Goede } 1515b21da4e5SHans de Goede 1516024426acSGerd Hoffmann xhci_set_ep_state(xhci, epctx, NULL, EP_DISABLED); 1517f1ae32a1SGerd Hoffmann 1518bc72ad67SAlex Bligh timer_free(epctx->kick_timer); 1519f1ae32a1SGerd Hoffmann g_free(epctx); 1520f1ae32a1SGerd Hoffmann slot->eps[epid-1] = NULL; 1521f1ae32a1SGerd Hoffmann 1522f1ae32a1SGerd Hoffmann return CC_SUCCESS; 1523f1ae32a1SGerd Hoffmann } 1524f1ae32a1SGerd Hoffmann 1525f1ae32a1SGerd Hoffmann static TRBCCode xhci_stop_ep(XHCIState *xhci, unsigned int slotid, 1526f1ae32a1SGerd Hoffmann unsigned int epid) 1527f1ae32a1SGerd Hoffmann { 1528f1ae32a1SGerd Hoffmann XHCISlot *slot; 1529f1ae32a1SGerd Hoffmann XHCIEPContext *epctx; 1530f1ae32a1SGerd Hoffmann 1531c1f6b493SGerd Hoffmann trace_usb_xhci_ep_stop(slotid, epid); 153291062ae0SGerd Hoffmann assert(slotid >= 1 && slotid <= xhci->numslots); 1533f1ae32a1SGerd Hoffmann 1534f1ae32a1SGerd Hoffmann if (epid < 1 || epid > 31) { 1535d6bb65fcSGerd Hoffmann DPRINTF("xhci: bad ep %d\n", epid); 1536f1ae32a1SGerd Hoffmann return CC_TRB_ERROR; 1537f1ae32a1SGerd Hoffmann } 1538f1ae32a1SGerd Hoffmann 1539f1ae32a1SGerd Hoffmann slot = &xhci->slots[slotid-1]; 1540f1ae32a1SGerd Hoffmann 1541f1ae32a1SGerd Hoffmann if (!slot->eps[epid-1]) { 1542f1ae32a1SGerd Hoffmann DPRINTF("xhci: slot %d ep %d not enabled\n", slotid, epid); 1543f1ae32a1SGerd Hoffmann return CC_EP_NOT_ENABLED_ERROR; 1544f1ae32a1SGerd Hoffmann } 1545f1ae32a1SGerd Hoffmann 1546582d6f4aSHans de Goede if (xhci_ep_nuke_xfers(xhci, slotid, epid, CC_STOPPED) > 0) { 1547d6bb65fcSGerd Hoffmann DPRINTF("xhci: FIXME: endpoint stopped w/ xfers running, " 1548f1ae32a1SGerd Hoffmann "data might be lost\n"); 1549f1ae32a1SGerd Hoffmann } 1550f1ae32a1SGerd Hoffmann 1551f1ae32a1SGerd Hoffmann epctx = slot->eps[epid-1]; 1552f1ae32a1SGerd Hoffmann 1553024426acSGerd Hoffmann xhci_set_ep_state(xhci, epctx, NULL, EP_STOPPED); 1554024426acSGerd Hoffmann 1555024426acSGerd Hoffmann if (epctx->nr_pstreams) { 1556024426acSGerd Hoffmann xhci_reset_streams(epctx); 1557024426acSGerd Hoffmann } 1558f1ae32a1SGerd Hoffmann 1559f1ae32a1SGerd Hoffmann return CC_SUCCESS; 1560f1ae32a1SGerd Hoffmann } 1561f1ae32a1SGerd Hoffmann 1562f1ae32a1SGerd Hoffmann static TRBCCode xhci_reset_ep(XHCIState *xhci, unsigned int slotid, 1563f1ae32a1SGerd Hoffmann unsigned int epid) 1564f1ae32a1SGerd Hoffmann { 1565f1ae32a1SGerd Hoffmann XHCISlot *slot; 1566f1ae32a1SGerd Hoffmann XHCIEPContext *epctx; 1567f1ae32a1SGerd Hoffmann 1568c1f6b493SGerd Hoffmann trace_usb_xhci_ep_reset(slotid, epid); 156991062ae0SGerd Hoffmann assert(slotid >= 1 && slotid <= xhci->numslots); 1570f1ae32a1SGerd Hoffmann 1571f1ae32a1SGerd Hoffmann if (epid < 1 || epid > 31) { 1572d6bb65fcSGerd Hoffmann DPRINTF("xhci: bad ep %d\n", epid); 1573f1ae32a1SGerd Hoffmann return CC_TRB_ERROR; 1574f1ae32a1SGerd Hoffmann } 1575f1ae32a1SGerd Hoffmann 1576f1ae32a1SGerd Hoffmann slot = &xhci->slots[slotid-1]; 1577f1ae32a1SGerd Hoffmann 1578f1ae32a1SGerd Hoffmann if (!slot->eps[epid-1]) { 1579f1ae32a1SGerd Hoffmann DPRINTF("xhci: slot %d ep %d not enabled\n", slotid, epid); 1580f1ae32a1SGerd Hoffmann return CC_EP_NOT_ENABLED_ERROR; 1581f1ae32a1SGerd Hoffmann } 1582f1ae32a1SGerd Hoffmann 1583f1ae32a1SGerd Hoffmann epctx = slot->eps[epid-1]; 1584f1ae32a1SGerd Hoffmann 1585f1ae32a1SGerd Hoffmann if (epctx->state != EP_HALTED) { 1586d6bb65fcSGerd Hoffmann DPRINTF("xhci: reset EP while EP %d not halted (%d)\n", 1587f1ae32a1SGerd Hoffmann epid, epctx->state); 1588f1ae32a1SGerd Hoffmann return CC_CONTEXT_STATE_ERROR; 1589f1ae32a1SGerd Hoffmann } 1590f1ae32a1SGerd Hoffmann 1591582d6f4aSHans de Goede if (xhci_ep_nuke_xfers(xhci, slotid, epid, 0) > 0) { 1592d6bb65fcSGerd Hoffmann DPRINTF("xhci: FIXME: endpoint reset w/ xfers running, " 1593f1ae32a1SGerd Hoffmann "data might be lost\n"); 1594f1ae32a1SGerd Hoffmann } 1595f1ae32a1SGerd Hoffmann 1596f1ae32a1SGerd Hoffmann uint8_t ep = epid>>1; 1597f1ae32a1SGerd Hoffmann 1598f1ae32a1SGerd Hoffmann if (epid & 1) { 1599f1ae32a1SGerd Hoffmann ep |= 0x80; 1600f1ae32a1SGerd Hoffmann } 1601f1ae32a1SGerd Hoffmann 160275cc1c1fSGerd Hoffmann if (!xhci->slots[slotid-1].uport || 1603de9de157SHans de Goede !xhci->slots[slotid-1].uport->dev || 1604de9de157SHans de Goede !xhci->slots[slotid-1].uport->dev->attached) { 1605f1ae32a1SGerd Hoffmann return CC_USB_TRANSACTION_ERROR; 1606f1ae32a1SGerd Hoffmann } 1607f1ae32a1SGerd Hoffmann 1608024426acSGerd Hoffmann xhci_set_ep_state(xhci, epctx, NULL, EP_STOPPED); 1609024426acSGerd Hoffmann 1610024426acSGerd Hoffmann if (epctx->nr_pstreams) { 1611024426acSGerd Hoffmann xhci_reset_streams(epctx); 1612024426acSGerd Hoffmann } 1613f1ae32a1SGerd Hoffmann 1614f1ae32a1SGerd Hoffmann return CC_SUCCESS; 1615f1ae32a1SGerd Hoffmann } 1616f1ae32a1SGerd Hoffmann 1617f1ae32a1SGerd Hoffmann static TRBCCode xhci_set_ep_dequeue(XHCIState *xhci, unsigned int slotid, 1618024426acSGerd Hoffmann unsigned int epid, unsigned int streamid, 1619024426acSGerd Hoffmann uint64_t pdequeue) 1620f1ae32a1SGerd Hoffmann { 1621f1ae32a1SGerd Hoffmann XHCISlot *slot; 1622f1ae32a1SGerd Hoffmann XHCIEPContext *epctx; 1623024426acSGerd Hoffmann XHCIStreamContext *sctx; 162459a70ccdSDavid Gibson dma_addr_t dequeue; 1625f1ae32a1SGerd Hoffmann 162691062ae0SGerd Hoffmann assert(slotid >= 1 && slotid <= xhci->numslots); 1627f1ae32a1SGerd Hoffmann 1628f1ae32a1SGerd Hoffmann if (epid < 1 || epid > 31) { 1629d6bb65fcSGerd Hoffmann DPRINTF("xhci: bad ep %d\n", epid); 1630f1ae32a1SGerd Hoffmann return CC_TRB_ERROR; 1631f1ae32a1SGerd Hoffmann } 1632f1ae32a1SGerd Hoffmann 1633024426acSGerd Hoffmann trace_usb_xhci_ep_set_dequeue(slotid, epid, streamid, pdequeue); 1634f1ae32a1SGerd Hoffmann dequeue = xhci_mask64(pdequeue); 1635f1ae32a1SGerd Hoffmann 1636f1ae32a1SGerd Hoffmann slot = &xhci->slots[slotid-1]; 1637f1ae32a1SGerd Hoffmann 1638f1ae32a1SGerd Hoffmann if (!slot->eps[epid-1]) { 1639f1ae32a1SGerd Hoffmann DPRINTF("xhci: slot %d ep %d not enabled\n", slotid, epid); 1640f1ae32a1SGerd Hoffmann return CC_EP_NOT_ENABLED_ERROR; 1641f1ae32a1SGerd Hoffmann } 1642f1ae32a1SGerd Hoffmann 1643f1ae32a1SGerd Hoffmann epctx = slot->eps[epid-1]; 1644f1ae32a1SGerd Hoffmann 1645f1ae32a1SGerd Hoffmann if (epctx->state != EP_STOPPED) { 1646d6bb65fcSGerd Hoffmann DPRINTF("xhci: set EP dequeue pointer while EP %d not stopped\n", epid); 1647f1ae32a1SGerd Hoffmann return CC_CONTEXT_STATE_ERROR; 1648f1ae32a1SGerd Hoffmann } 1649f1ae32a1SGerd Hoffmann 1650024426acSGerd Hoffmann if (epctx->nr_pstreams) { 1651024426acSGerd Hoffmann uint32_t err; 1652024426acSGerd Hoffmann sctx = xhci_find_stream(epctx, streamid, &err); 1653024426acSGerd Hoffmann if (sctx == NULL) { 1654024426acSGerd Hoffmann return err; 1655024426acSGerd Hoffmann } 1656024426acSGerd Hoffmann xhci_ring_init(xhci, &sctx->ring, dequeue & ~0xf); 1657024426acSGerd Hoffmann sctx->ring.ccs = dequeue & 1; 1658024426acSGerd Hoffmann } else { 1659024426acSGerd Hoffmann sctx = NULL; 1660f1ae32a1SGerd Hoffmann xhci_ring_init(xhci, &epctx->ring, dequeue & ~0xF); 1661f1ae32a1SGerd Hoffmann epctx->ring.ccs = dequeue & 1; 1662024426acSGerd Hoffmann } 1663f1ae32a1SGerd Hoffmann 1664024426acSGerd Hoffmann xhci_set_ep_state(xhci, epctx, sctx, EP_STOPPED); 1665f1ae32a1SGerd Hoffmann 1666f1ae32a1SGerd Hoffmann return CC_SUCCESS; 1667f1ae32a1SGerd Hoffmann } 1668f1ae32a1SGerd Hoffmann 1669a6fb2ddbSHans de Goede static int xhci_xfer_create_sgl(XHCITransfer *xfer, int in_xfer) 1670f1ae32a1SGerd Hoffmann { 1671f1ae32a1SGerd Hoffmann XHCIState *xhci = xfer->xhci; 1672d5a15814SGerd Hoffmann int i; 1673f1ae32a1SGerd Hoffmann 1674a6fb2ddbSHans de Goede xfer->int_req = false; 16759b7d3334SAndreas Färber pci_dma_sglist_init(&xfer->sgl, PCI_DEVICE(xhci), xfer->trb_count); 1676f1ae32a1SGerd Hoffmann for (i = 0; i < xfer->trb_count; i++) { 1677f1ae32a1SGerd Hoffmann XHCITRB *trb = &xfer->trbs[i]; 167859a70ccdSDavid Gibson dma_addr_t addr; 1679f1ae32a1SGerd Hoffmann unsigned int chunk = 0; 1680f1ae32a1SGerd Hoffmann 1681a6fb2ddbSHans de Goede if (trb->control & TRB_TR_IOC) { 1682a6fb2ddbSHans de Goede xfer->int_req = true; 1683a6fb2ddbSHans de Goede } 1684a6fb2ddbSHans de Goede 1685f1ae32a1SGerd Hoffmann switch (TRB_TYPE(*trb)) { 1686f1ae32a1SGerd Hoffmann case TR_DATA: 1687f1ae32a1SGerd Hoffmann if ((!(trb->control & TRB_TR_DIR)) != (!in_xfer)) { 1688d6bb65fcSGerd Hoffmann DPRINTF("xhci: data direction mismatch for TR_DATA\n"); 1689d5a15814SGerd Hoffmann goto err; 1690f1ae32a1SGerd Hoffmann } 1691f1ae32a1SGerd Hoffmann /* fallthrough */ 1692f1ae32a1SGerd Hoffmann case TR_NORMAL: 1693f1ae32a1SGerd Hoffmann case TR_ISOCH: 1694f1ae32a1SGerd Hoffmann addr = xhci_mask64(trb->parameter); 1695f1ae32a1SGerd Hoffmann chunk = trb->status & 0x1ffff; 1696f1ae32a1SGerd Hoffmann if (trb->control & TRB_TR_IDT) { 1697f1ae32a1SGerd Hoffmann if (chunk > 8 || in_xfer) { 1698d6bb65fcSGerd Hoffmann DPRINTF("xhci: invalid immediate data TRB\n"); 1699d5a15814SGerd Hoffmann goto err; 1700d5a15814SGerd Hoffmann } 1701d5a15814SGerd Hoffmann qemu_sglist_add(&xfer->sgl, trb->addr, chunk); 1702d5a15814SGerd Hoffmann } else { 1703d5a15814SGerd Hoffmann qemu_sglist_add(&xfer->sgl, addr, chunk); 1704d5a15814SGerd Hoffmann } 1705d5a15814SGerd Hoffmann break; 1706d5a15814SGerd Hoffmann } 1707d5a15814SGerd Hoffmann } 1708d5a15814SGerd Hoffmann 1709d5a15814SGerd Hoffmann return 0; 1710d5a15814SGerd Hoffmann 1711d5a15814SGerd Hoffmann err: 1712d5a15814SGerd Hoffmann qemu_sglist_destroy(&xfer->sgl); 1713f1ae32a1SGerd Hoffmann xhci_die(xhci); 1714d5a15814SGerd Hoffmann return -1; 1715f1ae32a1SGerd Hoffmann } 1716d5a15814SGerd Hoffmann 1717d5a15814SGerd Hoffmann static void xhci_xfer_unmap(XHCITransfer *xfer) 1718d5a15814SGerd Hoffmann { 1719d5a15814SGerd Hoffmann usb_packet_unmap(&xfer->packet, &xfer->sgl); 1720d5a15814SGerd Hoffmann qemu_sglist_destroy(&xfer->sgl); 1721f1ae32a1SGerd Hoffmann } 1722d5a15814SGerd Hoffmann 1723d5a15814SGerd Hoffmann static void xhci_xfer_report(XHCITransfer *xfer) 1724d5a15814SGerd Hoffmann { 1725d5a15814SGerd Hoffmann uint32_t edtla = 0; 1726d5a15814SGerd Hoffmann unsigned int left; 1727d5a15814SGerd Hoffmann bool reported = 0; 1728d5a15814SGerd Hoffmann bool shortpkt = 0; 1729d5a15814SGerd Hoffmann XHCIEvent event = {ER_TRANSFER, CC_SUCCESS}; 1730d5a15814SGerd Hoffmann XHCIState *xhci = xfer->xhci; 1731f1ae32a1SGerd Hoffmann int i; 1732d5a15814SGerd Hoffmann 17339b8251c5SHans de Goede left = xfer->packet.actual_length; 1734d5a15814SGerd Hoffmann 1735d5a15814SGerd Hoffmann for (i = 0; i < xfer->trb_count; i++) { 1736d5a15814SGerd Hoffmann XHCITRB *trb = &xfer->trbs[i]; 1737d5a15814SGerd Hoffmann unsigned int chunk = 0; 1738d5a15814SGerd Hoffmann 1739d5a15814SGerd Hoffmann switch (TRB_TYPE(*trb)) { 1740d5a15814SGerd Hoffmann case TR_DATA: 1741d5a15814SGerd Hoffmann case TR_NORMAL: 1742d5a15814SGerd Hoffmann case TR_ISOCH: 1743d5a15814SGerd Hoffmann chunk = trb->status & 0x1ffff; 1744d5a15814SGerd Hoffmann if (chunk > left) { 1745d5a15814SGerd Hoffmann chunk = left; 1746d5a15814SGerd Hoffmann if (xfer->status == CC_SUCCESS) { 1747d5a15814SGerd Hoffmann shortpkt = 1; 1748f1ae32a1SGerd Hoffmann } 1749f1ae32a1SGerd Hoffmann } 1750f1ae32a1SGerd Hoffmann left -= chunk; 1751f1ae32a1SGerd Hoffmann edtla += chunk; 1752f1ae32a1SGerd Hoffmann break; 1753f1ae32a1SGerd Hoffmann case TR_STATUS: 1754f1ae32a1SGerd Hoffmann reported = 0; 1755f1ae32a1SGerd Hoffmann shortpkt = 0; 1756f1ae32a1SGerd Hoffmann break; 1757f1ae32a1SGerd Hoffmann } 1758f1ae32a1SGerd Hoffmann 1759d5a15814SGerd Hoffmann if (!reported && ((trb->control & TRB_TR_IOC) || 1760d5a15814SGerd Hoffmann (shortpkt && (trb->control & TRB_TR_ISP)) || 17619b8251c5SHans de Goede (xfer->status != CC_SUCCESS && left == 0))) { 1762f1ae32a1SGerd Hoffmann event.slotid = xfer->slotid; 1763f1ae32a1SGerd Hoffmann event.epid = xfer->epid; 1764f1ae32a1SGerd Hoffmann event.length = (trb->status & 0x1ffff) - chunk; 1765f1ae32a1SGerd Hoffmann event.flags = 0; 1766f1ae32a1SGerd Hoffmann event.ptr = trb->addr; 1767f1ae32a1SGerd Hoffmann if (xfer->status == CC_SUCCESS) { 1768f1ae32a1SGerd Hoffmann event.ccode = shortpkt ? CC_SHORT_PACKET : CC_SUCCESS; 1769f1ae32a1SGerd Hoffmann } else { 1770f1ae32a1SGerd Hoffmann event.ccode = xfer->status; 1771f1ae32a1SGerd Hoffmann } 1772f1ae32a1SGerd Hoffmann if (TRB_TYPE(*trb) == TR_EVDATA) { 1773f1ae32a1SGerd Hoffmann event.ptr = trb->parameter; 1774f1ae32a1SGerd Hoffmann event.flags |= TRB_EV_ED; 1775f1ae32a1SGerd Hoffmann event.length = edtla & 0xffffff; 1776f1ae32a1SGerd Hoffmann DPRINTF("xhci_xfer_data: EDTLA=%d\n", event.length); 1777f1ae32a1SGerd Hoffmann edtla = 0; 1778f1ae32a1SGerd Hoffmann } 17792d1de850SGerd Hoffmann xhci_event(xhci, &event, TRB_INTR(*trb)); 1780f1ae32a1SGerd Hoffmann reported = 1; 1781d5a15814SGerd Hoffmann if (xfer->status != CC_SUCCESS) { 1782d5a15814SGerd Hoffmann return; 1783f1ae32a1SGerd Hoffmann } 1784f1ae32a1SGerd Hoffmann } 1785d5a15814SGerd Hoffmann } 1786f1ae32a1SGerd Hoffmann } 1787f1ae32a1SGerd Hoffmann 1788f1ae32a1SGerd Hoffmann static void xhci_stall_ep(XHCITransfer *xfer) 1789f1ae32a1SGerd Hoffmann { 1790f1ae32a1SGerd Hoffmann XHCIState *xhci = xfer->xhci; 1791f1ae32a1SGerd Hoffmann XHCISlot *slot = &xhci->slots[xfer->slotid-1]; 1792f1ae32a1SGerd Hoffmann XHCIEPContext *epctx = slot->eps[xfer->epid-1]; 1793024426acSGerd Hoffmann uint32_t err; 1794024426acSGerd Hoffmann XHCIStreamContext *sctx; 1795f1ae32a1SGerd Hoffmann 1796024426acSGerd Hoffmann if (epctx->nr_pstreams) { 1797024426acSGerd Hoffmann sctx = xhci_find_stream(epctx, xfer->streamid, &err); 1798024426acSGerd Hoffmann if (sctx == NULL) { 1799024426acSGerd Hoffmann return; 1800024426acSGerd Hoffmann } 1801024426acSGerd Hoffmann sctx->ring.dequeue = xfer->trbs[0].addr; 1802024426acSGerd Hoffmann sctx->ring.ccs = xfer->trbs[0].ccs; 1803024426acSGerd Hoffmann xhci_set_ep_state(xhci, epctx, sctx, EP_HALTED); 1804024426acSGerd Hoffmann } else { 1805f1ae32a1SGerd Hoffmann epctx->ring.dequeue = xfer->trbs[0].addr; 1806f1ae32a1SGerd Hoffmann epctx->ring.ccs = xfer->trbs[0].ccs; 1807024426acSGerd Hoffmann xhci_set_ep_state(xhci, epctx, NULL, EP_HALTED); 1808024426acSGerd Hoffmann } 1809f1ae32a1SGerd Hoffmann } 1810f1ae32a1SGerd Hoffmann 1811f1ae32a1SGerd Hoffmann static int xhci_submit(XHCIState *xhci, XHCITransfer *xfer, 1812f1ae32a1SGerd Hoffmann XHCIEPContext *epctx); 1813f1ae32a1SGerd Hoffmann 18145c08106fSGerd Hoffmann static int xhci_setup_packet(XHCITransfer *xfer) 18155c08106fSGerd Hoffmann { 18165c08106fSGerd Hoffmann XHCIState *xhci = xfer->xhci; 1817f1ae32a1SGerd Hoffmann USBEndpoint *ep; 1818f1ae32a1SGerd Hoffmann int dir; 1819f1ae32a1SGerd Hoffmann 1820f1ae32a1SGerd Hoffmann dir = xfer->in_xfer ? USB_TOKEN_IN : USB_TOKEN_OUT; 18215c08106fSGerd Hoffmann 18225c08106fSGerd Hoffmann if (xfer->packet.ep) { 18235c08106fSGerd Hoffmann ep = xfer->packet.ep; 18245c08106fSGerd Hoffmann } else { 1825518ad5f2SHans de Goede ep = xhci_epid_to_usbep(xhci, xfer->slotid, xfer->epid); 1826518ad5f2SHans de Goede if (!ep) { 1827d6bb65fcSGerd Hoffmann DPRINTF("xhci: slot %d has no device\n", 1828ccaf87a0SGerd Hoffmann xfer->slotid); 18295c08106fSGerd Hoffmann return -1; 18305c08106fSGerd Hoffmann } 18315c08106fSGerd Hoffmann } 18325c08106fSGerd Hoffmann 1833a6fb2ddbSHans de Goede xhci_xfer_create_sgl(xfer, dir == USB_TOKEN_IN); /* Also sets int_req */ 1834024426acSGerd Hoffmann usb_packet_setup(&xfer->packet, dir, ep, xfer->streamid, 18358550a02dSGerd Hoffmann xfer->trbs[0].addr, false, xfer->int_req); 1836a6fb2ddbSHans de Goede usb_packet_map(&xfer->packet, &xfer->sgl); 1837f1ae32a1SGerd Hoffmann DPRINTF("xhci: setup packet pid 0x%x addr %d ep %d\n", 1838518ad5f2SHans de Goede xfer->packet.pid, ep->dev->addr, ep->nr); 1839f1ae32a1SGerd Hoffmann return 0; 1840f1ae32a1SGerd Hoffmann } 1841f1ae32a1SGerd Hoffmann 18429a77a0f5SHans de Goede static int xhci_complete_packet(XHCITransfer *xfer) 1843f1ae32a1SGerd Hoffmann { 18449a77a0f5SHans de Goede if (xfer->packet.status == USB_RET_ASYNC) { 184597df650bSGerd Hoffmann trace_usb_xhci_xfer_async(xfer); 1846f1ae32a1SGerd Hoffmann xfer->running_async = 1; 1847f1ae32a1SGerd Hoffmann xfer->running_retry = 0; 1848f1ae32a1SGerd Hoffmann xfer->complete = 0; 1849f1ae32a1SGerd Hoffmann return 0; 18509a77a0f5SHans de Goede } else if (xfer->packet.status == USB_RET_NAK) { 185197df650bSGerd Hoffmann trace_usb_xhci_xfer_nak(xfer); 1852f1ae32a1SGerd Hoffmann xfer->running_async = 0; 1853f1ae32a1SGerd Hoffmann xfer->running_retry = 1; 1854f1ae32a1SGerd Hoffmann xfer->complete = 0; 1855f1ae32a1SGerd Hoffmann return 0; 1856f1ae32a1SGerd Hoffmann } else { 1857f1ae32a1SGerd Hoffmann xfer->running_async = 0; 1858f1ae32a1SGerd Hoffmann xfer->running_retry = 0; 1859f1ae32a1SGerd Hoffmann xfer->complete = 1; 1860d5a15814SGerd Hoffmann xhci_xfer_unmap(xfer); 1861f1ae32a1SGerd Hoffmann } 1862f1ae32a1SGerd Hoffmann 18639a77a0f5SHans de Goede if (xfer->packet.status == USB_RET_SUCCESS) { 18649a77a0f5SHans de Goede trace_usb_xhci_xfer_success(xfer, xfer->packet.actual_length); 1865d5a15814SGerd Hoffmann xfer->status = CC_SUCCESS; 1866d5a15814SGerd Hoffmann xhci_xfer_report(xfer); 1867f1ae32a1SGerd Hoffmann return 0; 1868f1ae32a1SGerd Hoffmann } 1869f1ae32a1SGerd Hoffmann 1870f1ae32a1SGerd Hoffmann /* error */ 18719a77a0f5SHans de Goede trace_usb_xhci_xfer_error(xfer, xfer->packet.status); 18729a77a0f5SHans de Goede switch (xfer->packet.status) { 1873f1ae32a1SGerd Hoffmann case USB_RET_NODEV: 1874ed60ff02SGerd Hoffmann case USB_RET_IOERROR: 1875f1ae32a1SGerd Hoffmann xfer->status = CC_USB_TRANSACTION_ERROR; 1876d5a15814SGerd Hoffmann xhci_xfer_report(xfer); 1877f1ae32a1SGerd Hoffmann xhci_stall_ep(xfer); 1878f1ae32a1SGerd Hoffmann break; 1879f1ae32a1SGerd Hoffmann case USB_RET_STALL: 1880f1ae32a1SGerd Hoffmann xfer->status = CC_STALL_ERROR; 1881d5a15814SGerd Hoffmann xhci_xfer_report(xfer); 1882f1ae32a1SGerd Hoffmann xhci_stall_ep(xfer); 1883f1ae32a1SGerd Hoffmann break; 18844e906d56SGerd Hoffmann case USB_RET_BABBLE: 18854e906d56SGerd Hoffmann xfer->status = CC_BABBLE_DETECTED; 18864e906d56SGerd Hoffmann xhci_xfer_report(xfer); 18874e906d56SGerd Hoffmann xhci_stall_ep(xfer); 18884e906d56SGerd Hoffmann break; 1889f1ae32a1SGerd Hoffmann default: 1890d6bb65fcSGerd Hoffmann DPRINTF("%s: FIXME: status = %d\n", __func__, 18919a77a0f5SHans de Goede xfer->packet.status); 1892024426acSGerd Hoffmann FIXME("unhandled USB_RET_*"); 1893f1ae32a1SGerd Hoffmann } 1894f1ae32a1SGerd Hoffmann return 0; 1895f1ae32a1SGerd Hoffmann } 1896f1ae32a1SGerd Hoffmann 1897f1ae32a1SGerd Hoffmann static int xhci_fire_ctl_transfer(XHCIState *xhci, XHCITransfer *xfer) 1898f1ae32a1SGerd Hoffmann { 1899f1ae32a1SGerd Hoffmann XHCITRB *trb_setup, *trb_status; 1900f1ae32a1SGerd Hoffmann uint8_t bmRequestType; 1901f1ae32a1SGerd Hoffmann 1902f1ae32a1SGerd Hoffmann trb_setup = &xfer->trbs[0]; 1903f1ae32a1SGerd Hoffmann trb_status = &xfer->trbs[xfer->trb_count-1]; 1904f1ae32a1SGerd Hoffmann 1905024426acSGerd Hoffmann trace_usb_xhci_xfer_start(xfer, xfer->slotid, xfer->epid, xfer->streamid); 190697df650bSGerd Hoffmann 1907f1ae32a1SGerd Hoffmann /* at most one Event Data TRB allowed after STATUS */ 1908f1ae32a1SGerd Hoffmann if (TRB_TYPE(*trb_status) == TR_EVDATA && xfer->trb_count > 2) { 1909f1ae32a1SGerd Hoffmann trb_status--; 1910f1ae32a1SGerd Hoffmann } 1911f1ae32a1SGerd Hoffmann 1912f1ae32a1SGerd Hoffmann /* do some sanity checks */ 1913f1ae32a1SGerd Hoffmann if (TRB_TYPE(*trb_setup) != TR_SETUP) { 1914d6bb65fcSGerd Hoffmann DPRINTF("xhci: ep0 first TD not SETUP: %d\n", 1915f1ae32a1SGerd Hoffmann TRB_TYPE(*trb_setup)); 1916f1ae32a1SGerd Hoffmann return -1; 1917f1ae32a1SGerd Hoffmann } 1918f1ae32a1SGerd Hoffmann if (TRB_TYPE(*trb_status) != TR_STATUS) { 1919d6bb65fcSGerd Hoffmann DPRINTF("xhci: ep0 last TD not STATUS: %d\n", 1920f1ae32a1SGerd Hoffmann TRB_TYPE(*trb_status)); 1921f1ae32a1SGerd Hoffmann return -1; 1922f1ae32a1SGerd Hoffmann } 1923f1ae32a1SGerd Hoffmann if (!(trb_setup->control & TRB_TR_IDT)) { 1924d6bb65fcSGerd Hoffmann DPRINTF("xhci: Setup TRB doesn't have IDT set\n"); 1925f1ae32a1SGerd Hoffmann return -1; 1926f1ae32a1SGerd Hoffmann } 1927f1ae32a1SGerd Hoffmann if ((trb_setup->status & 0x1ffff) != 8) { 1928d6bb65fcSGerd Hoffmann DPRINTF("xhci: Setup TRB has bad length (%d)\n", 1929f1ae32a1SGerd Hoffmann (trb_setup->status & 0x1ffff)); 1930f1ae32a1SGerd Hoffmann return -1; 1931f1ae32a1SGerd Hoffmann } 1932f1ae32a1SGerd Hoffmann 1933f1ae32a1SGerd Hoffmann bmRequestType = trb_setup->parameter; 1934f1ae32a1SGerd Hoffmann 1935f1ae32a1SGerd Hoffmann xfer->in_xfer = bmRequestType & USB_DIR_IN; 1936f1ae32a1SGerd Hoffmann xfer->iso_xfer = false; 19374d7a81c0SGerd Hoffmann xfer->timed_xfer = false; 1938f1ae32a1SGerd Hoffmann 19395c08106fSGerd Hoffmann if (xhci_setup_packet(xfer) < 0) { 19405c08106fSGerd Hoffmann return -1; 19415c08106fSGerd Hoffmann } 1942f1ae32a1SGerd Hoffmann xfer->packet.parameter = trb_setup->parameter; 1943f1ae32a1SGerd Hoffmann 19449a77a0f5SHans de Goede usb_handle_packet(xfer->packet.ep->dev, &xfer->packet); 1945f1ae32a1SGerd Hoffmann 19469a77a0f5SHans de Goede xhci_complete_packet(xfer); 1947f1ae32a1SGerd Hoffmann if (!xfer->running_async && !xfer->running_retry) { 1948024426acSGerd Hoffmann xhci_kick_ep(xhci, xfer->slotid, xfer->epid, 0); 1949f1ae32a1SGerd Hoffmann } 1950f1ae32a1SGerd Hoffmann return 0; 1951f1ae32a1SGerd Hoffmann } 1952f1ae32a1SGerd Hoffmann 19534d7a81c0SGerd Hoffmann static void xhci_calc_intr_kick(XHCIState *xhci, XHCITransfer *xfer, 19544d7a81c0SGerd Hoffmann XHCIEPContext *epctx, uint64_t mfindex) 19554d7a81c0SGerd Hoffmann { 19564d7a81c0SGerd Hoffmann uint64_t asap = ((mfindex + epctx->interval - 1) & 19574d7a81c0SGerd Hoffmann ~(epctx->interval-1)); 19584d7a81c0SGerd Hoffmann uint64_t kick = epctx->mfindex_last + epctx->interval; 19594d7a81c0SGerd Hoffmann 19604d7a81c0SGerd Hoffmann assert(epctx->interval != 0); 19614d7a81c0SGerd Hoffmann xfer->mfindex_kick = MAX(asap, kick); 19624d7a81c0SGerd Hoffmann } 19634d7a81c0SGerd Hoffmann 19643d139684SGerd Hoffmann static void xhci_calc_iso_kick(XHCIState *xhci, XHCITransfer *xfer, 19653d139684SGerd Hoffmann XHCIEPContext *epctx, uint64_t mfindex) 19663d139684SGerd Hoffmann { 19673d139684SGerd Hoffmann if (xfer->trbs[0].control & TRB_TR_SIA) { 19683d139684SGerd Hoffmann uint64_t asap = ((mfindex + epctx->interval - 1) & 19693d139684SGerd Hoffmann ~(epctx->interval-1)); 19703d139684SGerd Hoffmann if (asap >= epctx->mfindex_last && 19713d139684SGerd Hoffmann asap <= epctx->mfindex_last + epctx->interval * 4) { 19723d139684SGerd Hoffmann xfer->mfindex_kick = epctx->mfindex_last + epctx->interval; 19733d139684SGerd Hoffmann } else { 19743d139684SGerd Hoffmann xfer->mfindex_kick = asap; 19753d139684SGerd Hoffmann } 19763d139684SGerd Hoffmann } else { 1977786ad214SGerd Hoffmann xfer->mfindex_kick = ((xfer->trbs[0].control >> TRB_TR_FRAMEID_SHIFT) 1978786ad214SGerd Hoffmann & TRB_TR_FRAMEID_MASK) << 3; 19793d139684SGerd Hoffmann xfer->mfindex_kick |= mfindex & ~0x3fff; 1980cc03ff9dSGerd Hoffmann if (xfer->mfindex_kick + 0x100 < mfindex) { 19813d139684SGerd Hoffmann xfer->mfindex_kick += 0x4000; 19823d139684SGerd Hoffmann } 19833d139684SGerd Hoffmann } 19843d139684SGerd Hoffmann } 19853d139684SGerd Hoffmann 19864d7a81c0SGerd Hoffmann static void xhci_check_intr_iso_kick(XHCIState *xhci, XHCITransfer *xfer, 19873d139684SGerd Hoffmann XHCIEPContext *epctx, uint64_t mfindex) 19883d139684SGerd Hoffmann { 19893d139684SGerd Hoffmann if (xfer->mfindex_kick > mfindex) { 1990bc72ad67SAlex Bligh timer_mod(epctx->kick_timer, qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) + 19913d139684SGerd Hoffmann (xfer->mfindex_kick - mfindex) * 125000); 19923d139684SGerd Hoffmann xfer->running_retry = 1; 19933d139684SGerd Hoffmann } else { 19943d139684SGerd Hoffmann epctx->mfindex_last = xfer->mfindex_kick; 1995bc72ad67SAlex Bligh timer_del(epctx->kick_timer); 19963d139684SGerd Hoffmann xfer->running_retry = 0; 19973d139684SGerd Hoffmann } 19983d139684SGerd Hoffmann } 19993d139684SGerd Hoffmann 20003d139684SGerd Hoffmann 2001f1ae32a1SGerd Hoffmann static int xhci_submit(XHCIState *xhci, XHCITransfer *xfer, XHCIEPContext *epctx) 2002f1ae32a1SGerd Hoffmann { 20033d139684SGerd Hoffmann uint64_t mfindex; 2004f1ae32a1SGerd Hoffmann 2005f1ae32a1SGerd Hoffmann DPRINTF("xhci_submit(slotid=%d,epid=%d)\n", xfer->slotid, xfer->epid); 2006f1ae32a1SGerd Hoffmann 2007f1ae32a1SGerd Hoffmann xfer->in_xfer = epctx->type>>2; 2008f1ae32a1SGerd Hoffmann 2009f1ae32a1SGerd Hoffmann switch(epctx->type) { 2010f1ae32a1SGerd Hoffmann case ET_INTR_OUT: 2011f1ae32a1SGerd Hoffmann case ET_INTR_IN: 20124d7a81c0SGerd Hoffmann xfer->pkts = 0; 20134d7a81c0SGerd Hoffmann xfer->iso_xfer = false; 20144d7a81c0SGerd Hoffmann xfer->timed_xfer = true; 20154d7a81c0SGerd Hoffmann mfindex = xhci_mfindex_get(xhci); 20164d7a81c0SGerd Hoffmann xhci_calc_intr_kick(xhci, xfer, epctx, mfindex); 20174d7a81c0SGerd Hoffmann xhci_check_intr_iso_kick(xhci, xfer, epctx, mfindex); 20184d7a81c0SGerd Hoffmann if (xfer->running_retry) { 20194d7a81c0SGerd Hoffmann return -1; 20204d7a81c0SGerd Hoffmann } 20214d7a81c0SGerd Hoffmann break; 2022f1ae32a1SGerd Hoffmann case ET_BULK_OUT: 2023f1ae32a1SGerd Hoffmann case ET_BULK_IN: 20243d139684SGerd Hoffmann xfer->pkts = 0; 20253d139684SGerd Hoffmann xfer->iso_xfer = false; 20264d7a81c0SGerd Hoffmann xfer->timed_xfer = false; 2027f1ae32a1SGerd Hoffmann break; 2028f1ae32a1SGerd Hoffmann case ET_ISO_OUT: 2029f1ae32a1SGerd Hoffmann case ET_ISO_IN: 20303d139684SGerd Hoffmann xfer->pkts = 1; 20313d139684SGerd Hoffmann xfer->iso_xfer = true; 20324d7a81c0SGerd Hoffmann xfer->timed_xfer = true; 20333d139684SGerd Hoffmann mfindex = xhci_mfindex_get(xhci); 20343d139684SGerd Hoffmann xhci_calc_iso_kick(xhci, xfer, epctx, mfindex); 20354d7a81c0SGerd Hoffmann xhci_check_intr_iso_kick(xhci, xfer, epctx, mfindex); 20363d139684SGerd Hoffmann if (xfer->running_retry) { 20373d139684SGerd Hoffmann return -1; 20383d139684SGerd Hoffmann } 2039f1ae32a1SGerd Hoffmann break; 2040f1ae32a1SGerd Hoffmann default: 20414f9cc734SGerd Hoffmann trace_usb_xhci_unimplemented("endpoint type", epctx->type); 2042f1ae32a1SGerd Hoffmann return -1; 2043f1ae32a1SGerd Hoffmann } 2044f1ae32a1SGerd Hoffmann 20455c08106fSGerd Hoffmann if (xhci_setup_packet(xfer) < 0) { 20465c08106fSGerd Hoffmann return -1; 20475c08106fSGerd Hoffmann } 20489a77a0f5SHans de Goede usb_handle_packet(xfer->packet.ep->dev, &xfer->packet); 2049f1ae32a1SGerd Hoffmann 20509a77a0f5SHans de Goede xhci_complete_packet(xfer); 2051f1ae32a1SGerd Hoffmann if (!xfer->running_async && !xfer->running_retry) { 2052024426acSGerd Hoffmann xhci_kick_ep(xhci, xfer->slotid, xfer->epid, xfer->streamid); 2053f1ae32a1SGerd Hoffmann } 2054f1ae32a1SGerd Hoffmann return 0; 2055f1ae32a1SGerd Hoffmann } 2056f1ae32a1SGerd Hoffmann 2057f1ae32a1SGerd Hoffmann static int xhci_fire_transfer(XHCIState *xhci, XHCITransfer *xfer, XHCIEPContext *epctx) 2058f1ae32a1SGerd Hoffmann { 2059024426acSGerd Hoffmann trace_usb_xhci_xfer_start(xfer, xfer->slotid, xfer->epid, xfer->streamid); 2060f1ae32a1SGerd Hoffmann return xhci_submit(xhci, xfer, epctx); 2061f1ae32a1SGerd Hoffmann } 2062f1ae32a1SGerd Hoffmann 2063024426acSGerd Hoffmann static void xhci_kick_ep(XHCIState *xhci, unsigned int slotid, 2064024426acSGerd Hoffmann unsigned int epid, unsigned int streamid) 2065f1ae32a1SGerd Hoffmann { 2066024426acSGerd Hoffmann XHCIStreamContext *stctx; 2067f1ae32a1SGerd Hoffmann XHCIEPContext *epctx; 2068024426acSGerd Hoffmann XHCIRing *ring; 206936dfe324SHans de Goede USBEndpoint *ep = NULL; 20703d139684SGerd Hoffmann uint64_t mfindex; 2071f1ae32a1SGerd Hoffmann int length; 2072f1ae32a1SGerd Hoffmann int i; 2073f1ae32a1SGerd Hoffmann 2074024426acSGerd Hoffmann trace_usb_xhci_ep_kick(slotid, epid, streamid); 207591062ae0SGerd Hoffmann assert(slotid >= 1 && slotid <= xhci->numslots); 2076f1ae32a1SGerd Hoffmann assert(epid >= 1 && epid <= 31); 2077f1ae32a1SGerd Hoffmann 2078f1ae32a1SGerd Hoffmann if (!xhci->slots[slotid-1].enabled) { 2079d6bb65fcSGerd Hoffmann DPRINTF("xhci: xhci_kick_ep for disabled slot %d\n", slotid); 2080f1ae32a1SGerd Hoffmann return; 2081f1ae32a1SGerd Hoffmann } 2082f1ae32a1SGerd Hoffmann epctx = xhci->slots[slotid-1].eps[epid-1]; 2083f1ae32a1SGerd Hoffmann if (!epctx) { 2084d6bb65fcSGerd Hoffmann DPRINTF("xhci: xhci_kick_ep for disabled endpoint %d,%d\n", 2085f1ae32a1SGerd Hoffmann epid, slotid); 2086f1ae32a1SGerd Hoffmann return; 2087f1ae32a1SGerd Hoffmann } 2088f1ae32a1SGerd Hoffmann 2089de9de157SHans de Goede /* If the device has been detached, but the guest has not noticed this 2090de9de157SHans de Goede yet the 2 above checks will succeed, but we must NOT continue */ 2091de9de157SHans de Goede if (!xhci->slots[slotid - 1].uport || 2092de9de157SHans de Goede !xhci->slots[slotid - 1].uport->dev || 2093de9de157SHans de Goede !xhci->slots[slotid - 1].uport->dev->attached) { 2094de9de157SHans de Goede return; 2095de9de157SHans de Goede } 2096de9de157SHans de Goede 2097f1ae32a1SGerd Hoffmann if (epctx->retry) { 2098f1ae32a1SGerd Hoffmann XHCITransfer *xfer = epctx->retry; 2099f1ae32a1SGerd Hoffmann 210097df650bSGerd Hoffmann trace_usb_xhci_xfer_retry(xfer); 2101f1ae32a1SGerd Hoffmann assert(xfer->running_retry); 21024d7a81c0SGerd Hoffmann if (xfer->timed_xfer) { 21034d7a81c0SGerd Hoffmann /* time to kick the transfer? */ 21043d139684SGerd Hoffmann mfindex = xhci_mfindex_get(xhci); 21054d7a81c0SGerd Hoffmann xhci_check_intr_iso_kick(xhci, xfer, epctx, mfindex); 21063d139684SGerd Hoffmann if (xfer->running_retry) { 21073d139684SGerd Hoffmann return; 21083d139684SGerd Hoffmann } 21094d7a81c0SGerd Hoffmann xfer->timed_xfer = 0; 21104d7a81c0SGerd Hoffmann xfer->running_retry = 1; 21114d7a81c0SGerd Hoffmann } 21124d7a81c0SGerd Hoffmann if (xfer->iso_xfer) { 21134d7a81c0SGerd Hoffmann /* retry iso transfer */ 21143d139684SGerd Hoffmann if (xhci_setup_packet(xfer) < 0) { 21153d139684SGerd Hoffmann return; 21163d139684SGerd Hoffmann } 21179a77a0f5SHans de Goede usb_handle_packet(xfer->packet.ep->dev, &xfer->packet); 21189a77a0f5SHans de Goede assert(xfer->packet.status != USB_RET_NAK); 21199a77a0f5SHans de Goede xhci_complete_packet(xfer); 21203d139684SGerd Hoffmann } else { 21213d139684SGerd Hoffmann /* retry nak'ed transfer */ 21225c08106fSGerd Hoffmann if (xhci_setup_packet(xfer) < 0) { 21235c08106fSGerd Hoffmann return; 21245c08106fSGerd Hoffmann } 21259a77a0f5SHans de Goede usb_handle_packet(xfer->packet.ep->dev, &xfer->packet); 21269a77a0f5SHans de Goede if (xfer->packet.status == USB_RET_NAK) { 2127f1ae32a1SGerd Hoffmann return; 2128f1ae32a1SGerd Hoffmann } 21299a77a0f5SHans de Goede xhci_complete_packet(xfer); 21303d139684SGerd Hoffmann } 2131f1ae32a1SGerd Hoffmann assert(!xfer->running_retry); 2132f1ae32a1SGerd Hoffmann epctx->retry = NULL; 2133f1ae32a1SGerd Hoffmann } 2134f1ae32a1SGerd Hoffmann 2135f1ae32a1SGerd Hoffmann if (epctx->state == EP_HALTED) { 2136f1ae32a1SGerd Hoffmann DPRINTF("xhci: ep halted, not running schedule\n"); 2137f1ae32a1SGerd Hoffmann return; 2138f1ae32a1SGerd Hoffmann } 2139f1ae32a1SGerd Hoffmann 2140024426acSGerd Hoffmann 2141024426acSGerd Hoffmann if (epctx->nr_pstreams) { 2142024426acSGerd Hoffmann uint32_t err; 2143024426acSGerd Hoffmann stctx = xhci_find_stream(epctx, streamid, &err); 2144024426acSGerd Hoffmann if (stctx == NULL) { 2145024426acSGerd Hoffmann return; 2146024426acSGerd Hoffmann } 2147024426acSGerd Hoffmann ring = &stctx->ring; 2148024426acSGerd Hoffmann xhci_set_ep_state(xhci, epctx, stctx, EP_RUNNING); 2149024426acSGerd Hoffmann } else { 2150024426acSGerd Hoffmann ring = &epctx->ring; 2151024426acSGerd Hoffmann streamid = 0; 2152024426acSGerd Hoffmann xhci_set_ep_state(xhci, epctx, NULL, EP_RUNNING); 2153024426acSGerd Hoffmann } 21547d04c2b7SGerd Hoffmann assert(ring->dequeue != 0); 2155f1ae32a1SGerd Hoffmann 2156f1ae32a1SGerd Hoffmann while (1) { 2157f1ae32a1SGerd Hoffmann XHCITransfer *xfer = &epctx->transfers[epctx->next_xfer]; 2158331e9406SGerd Hoffmann if (xfer->running_async || xfer->running_retry) { 2159f1ae32a1SGerd Hoffmann break; 2160f1ae32a1SGerd Hoffmann } 2161024426acSGerd Hoffmann length = xhci_ring_chain_length(xhci, ring); 2162f1ae32a1SGerd Hoffmann if (length < 0) { 2163f1ae32a1SGerd Hoffmann break; 2164f1ae32a1SGerd Hoffmann } else if (length == 0) { 2165f1ae32a1SGerd Hoffmann break; 2166f1ae32a1SGerd Hoffmann } 2167f1ae32a1SGerd Hoffmann if (xfer->trbs && xfer->trb_alloced < length) { 2168f1ae32a1SGerd Hoffmann xfer->trb_count = 0; 2169f1ae32a1SGerd Hoffmann xfer->trb_alloced = 0; 2170f1ae32a1SGerd Hoffmann g_free(xfer->trbs); 2171f1ae32a1SGerd Hoffmann xfer->trbs = NULL; 2172f1ae32a1SGerd Hoffmann } 2173f1ae32a1SGerd Hoffmann if (!xfer->trbs) { 2174f1ae32a1SGerd Hoffmann xfer->trbs = g_malloc(sizeof(XHCITRB) * length); 2175f1ae32a1SGerd Hoffmann xfer->trb_alloced = length; 2176f1ae32a1SGerd Hoffmann } 2177f1ae32a1SGerd Hoffmann xfer->trb_count = length; 2178f1ae32a1SGerd Hoffmann 2179f1ae32a1SGerd Hoffmann for (i = 0; i < length; i++) { 2180024426acSGerd Hoffmann assert(xhci_ring_fetch(xhci, ring, &xfer->trbs[i], NULL)); 2181f1ae32a1SGerd Hoffmann } 2182024426acSGerd Hoffmann xfer->streamid = streamid; 2183f1ae32a1SGerd Hoffmann 2184f1ae32a1SGerd Hoffmann if (epid == 1) { 2185f1ae32a1SGerd Hoffmann if (xhci_fire_ctl_transfer(xhci, xfer) >= 0) { 2186f1ae32a1SGerd Hoffmann epctx->next_xfer = (epctx->next_xfer + 1) % TD_QUEUE; 218736dfe324SHans de Goede ep = xfer->packet.ep; 2188f1ae32a1SGerd Hoffmann } else { 2189d6bb65fcSGerd Hoffmann DPRINTF("xhci: error firing CTL transfer\n"); 2190f1ae32a1SGerd Hoffmann } 2191f1ae32a1SGerd Hoffmann } else { 2192f1ae32a1SGerd Hoffmann if (xhci_fire_transfer(xhci, xfer, epctx) >= 0) { 2193f1ae32a1SGerd Hoffmann epctx->next_xfer = (epctx->next_xfer + 1) % TD_QUEUE; 2194f1ae32a1SGerd Hoffmann } else { 21954d7a81c0SGerd Hoffmann if (!xfer->timed_xfer) { 2196d6bb65fcSGerd Hoffmann DPRINTF("xhci: error firing data transfer\n"); 2197f1ae32a1SGerd Hoffmann } 2198f1ae32a1SGerd Hoffmann } 21993d139684SGerd Hoffmann } 2200f1ae32a1SGerd Hoffmann 2201f1ae32a1SGerd Hoffmann if (epctx->state == EP_HALTED) { 2202f1ae32a1SGerd Hoffmann break; 2203f1ae32a1SGerd Hoffmann } 2204f1ae32a1SGerd Hoffmann if (xfer->running_retry) { 2205f1ae32a1SGerd Hoffmann DPRINTF("xhci: xfer nacked, stopping schedule\n"); 2206f1ae32a1SGerd Hoffmann epctx->retry = xfer; 2207f1ae32a1SGerd Hoffmann break; 2208f1ae32a1SGerd Hoffmann } 2209f1ae32a1SGerd Hoffmann } 2210518ad5f2SHans de Goede 2211518ad5f2SHans de Goede ep = xhci_epid_to_usbep(xhci, slotid, epid); 221236dfe324SHans de Goede if (ep) { 221336dfe324SHans de Goede usb_device_flush_ep_queue(ep->dev, ep); 221436dfe324SHans de Goede } 2215f1ae32a1SGerd Hoffmann } 2216f1ae32a1SGerd Hoffmann 2217f1ae32a1SGerd Hoffmann static TRBCCode xhci_enable_slot(XHCIState *xhci, unsigned int slotid) 2218f1ae32a1SGerd Hoffmann { 2219348f1037SGerd Hoffmann trace_usb_xhci_slot_enable(slotid); 222091062ae0SGerd Hoffmann assert(slotid >= 1 && slotid <= xhci->numslots); 2221f1ae32a1SGerd Hoffmann xhci->slots[slotid-1].enabled = 1; 2222ccaf87a0SGerd Hoffmann xhci->slots[slotid-1].uport = NULL; 2223f1ae32a1SGerd Hoffmann memset(xhci->slots[slotid-1].eps, 0, sizeof(XHCIEPContext*)*31); 2224f1ae32a1SGerd Hoffmann 2225f1ae32a1SGerd Hoffmann return CC_SUCCESS; 2226f1ae32a1SGerd Hoffmann } 2227f1ae32a1SGerd Hoffmann 2228f1ae32a1SGerd Hoffmann static TRBCCode xhci_disable_slot(XHCIState *xhci, unsigned int slotid) 2229f1ae32a1SGerd Hoffmann { 2230f1ae32a1SGerd Hoffmann int i; 2231f1ae32a1SGerd Hoffmann 2232348f1037SGerd Hoffmann trace_usb_xhci_slot_disable(slotid); 223391062ae0SGerd Hoffmann assert(slotid >= 1 && slotid <= xhci->numslots); 2234f1ae32a1SGerd Hoffmann 2235f1ae32a1SGerd Hoffmann for (i = 1; i <= 31; i++) { 2236f1ae32a1SGerd Hoffmann if (xhci->slots[slotid-1].eps[i-1]) { 2237f1ae32a1SGerd Hoffmann xhci_disable_ep(xhci, slotid, i); 2238f1ae32a1SGerd Hoffmann } 2239f1ae32a1SGerd Hoffmann } 2240f1ae32a1SGerd Hoffmann 2241f1ae32a1SGerd Hoffmann xhci->slots[slotid-1].enabled = 0; 22424034e693SGerd Hoffmann xhci->slots[slotid-1].addressed = 0; 22435c67dd7bSGerd Hoffmann xhci->slots[slotid-1].uport = NULL; 2244f1ae32a1SGerd Hoffmann return CC_SUCCESS; 2245f1ae32a1SGerd Hoffmann } 2246f1ae32a1SGerd Hoffmann 2247ccaf87a0SGerd Hoffmann static USBPort *xhci_lookup_uport(XHCIState *xhci, uint32_t *slot_ctx) 2248ccaf87a0SGerd Hoffmann { 2249ccaf87a0SGerd Hoffmann USBPort *uport; 2250ccaf87a0SGerd Hoffmann char path[32]; 2251ccaf87a0SGerd Hoffmann int i, pos, port; 2252ccaf87a0SGerd Hoffmann 2253ccaf87a0SGerd Hoffmann port = (slot_ctx[1]>>16) & 0xFF; 2254ccaf87a0SGerd Hoffmann port = xhci->ports[port-1].uport->index+1; 2255ccaf87a0SGerd Hoffmann pos = snprintf(path, sizeof(path), "%d", port); 2256ccaf87a0SGerd Hoffmann for (i = 0; i < 5; i++) { 2257ccaf87a0SGerd Hoffmann port = (slot_ctx[0] >> 4*i) & 0x0f; 2258ccaf87a0SGerd Hoffmann if (!port) { 2259ccaf87a0SGerd Hoffmann break; 2260ccaf87a0SGerd Hoffmann } 2261ccaf87a0SGerd Hoffmann pos += snprintf(path + pos, sizeof(path) - pos, ".%d", port); 2262ccaf87a0SGerd Hoffmann } 2263ccaf87a0SGerd Hoffmann 2264ccaf87a0SGerd Hoffmann QTAILQ_FOREACH(uport, &xhci->bus.used, next) { 2265ccaf87a0SGerd Hoffmann if (strcmp(uport->path, path) == 0) { 2266ccaf87a0SGerd Hoffmann return uport; 2267ccaf87a0SGerd Hoffmann } 2268ccaf87a0SGerd Hoffmann } 2269ccaf87a0SGerd Hoffmann return NULL; 2270ccaf87a0SGerd Hoffmann } 2271ccaf87a0SGerd Hoffmann 2272f1ae32a1SGerd Hoffmann static TRBCCode xhci_address_slot(XHCIState *xhci, unsigned int slotid, 2273f1ae32a1SGerd Hoffmann uint64_t pictx, bool bsr) 2274f1ae32a1SGerd Hoffmann { 2275f1ae32a1SGerd Hoffmann XHCISlot *slot; 2276ccaf87a0SGerd Hoffmann USBPort *uport; 2277f1ae32a1SGerd Hoffmann USBDevice *dev; 227859a70ccdSDavid Gibson dma_addr_t ictx, octx, dcbaap; 2279f1ae32a1SGerd Hoffmann uint64_t poctx; 2280f1ae32a1SGerd Hoffmann uint32_t ictl_ctx[2]; 2281f1ae32a1SGerd Hoffmann uint32_t slot_ctx[4]; 2282f1ae32a1SGerd Hoffmann uint32_t ep0_ctx[5]; 2283f1ae32a1SGerd Hoffmann int i; 2284f1ae32a1SGerd Hoffmann TRBCCode res; 2285f1ae32a1SGerd Hoffmann 228691062ae0SGerd Hoffmann assert(slotid >= 1 && slotid <= xhci->numslots); 2287f1ae32a1SGerd Hoffmann 2288f1ae32a1SGerd Hoffmann dcbaap = xhci_addr64(xhci->dcbaap_low, xhci->dcbaap_high); 22899b7d3334SAndreas Färber poctx = ldq_le_pci_dma(PCI_DEVICE(xhci), dcbaap + 8 * slotid); 2290f1ae32a1SGerd Hoffmann ictx = xhci_mask64(pictx); 2291616b5d53SDavid Gibson octx = xhci_mask64(poctx); 2292f1ae32a1SGerd Hoffmann 229359a70ccdSDavid Gibson DPRINTF("xhci: input context at "DMA_ADDR_FMT"\n", ictx); 229459a70ccdSDavid Gibson DPRINTF("xhci: output context at "DMA_ADDR_FMT"\n", octx); 2295f1ae32a1SGerd Hoffmann 2296616b5d53SDavid Gibson xhci_dma_read_u32s(xhci, ictx, ictl_ctx, sizeof(ictl_ctx)); 2297f1ae32a1SGerd Hoffmann 2298f1ae32a1SGerd Hoffmann if (ictl_ctx[0] != 0x0 || ictl_ctx[1] != 0x3) { 2299d6bb65fcSGerd Hoffmann DPRINTF("xhci: invalid input context control %08x %08x\n", 2300f1ae32a1SGerd Hoffmann ictl_ctx[0], ictl_ctx[1]); 2301f1ae32a1SGerd Hoffmann return CC_TRB_ERROR; 2302f1ae32a1SGerd Hoffmann } 2303f1ae32a1SGerd Hoffmann 2304616b5d53SDavid Gibson xhci_dma_read_u32s(xhci, ictx+32, slot_ctx, sizeof(slot_ctx)); 2305616b5d53SDavid Gibson xhci_dma_read_u32s(xhci, ictx+64, ep0_ctx, sizeof(ep0_ctx)); 2306f1ae32a1SGerd Hoffmann 2307f1ae32a1SGerd Hoffmann DPRINTF("xhci: input slot context: %08x %08x %08x %08x\n", 2308f1ae32a1SGerd Hoffmann slot_ctx[0], slot_ctx[1], slot_ctx[2], slot_ctx[3]); 2309f1ae32a1SGerd Hoffmann 2310f1ae32a1SGerd Hoffmann DPRINTF("xhci: input ep0 context: %08x %08x %08x %08x %08x\n", 2311f1ae32a1SGerd Hoffmann ep0_ctx[0], ep0_ctx[1], ep0_ctx[2], ep0_ctx[3], ep0_ctx[4]); 2312f1ae32a1SGerd Hoffmann 2313ccaf87a0SGerd Hoffmann uport = xhci_lookup_uport(xhci, slot_ctx); 2314ccaf87a0SGerd Hoffmann if (uport == NULL) { 2315d6bb65fcSGerd Hoffmann DPRINTF("xhci: port not found\n"); 2316f1ae32a1SGerd Hoffmann return CC_TRB_ERROR; 2317ccaf87a0SGerd Hoffmann } 231865d81ed4SGerd Hoffmann trace_usb_xhci_slot_address(slotid, uport->path); 2319ccaf87a0SGerd Hoffmann 2320ccaf87a0SGerd Hoffmann dev = uport->dev; 2321de9de157SHans de Goede if (!dev || !dev->attached) { 2322d6bb65fcSGerd Hoffmann DPRINTF("xhci: port %s not connected\n", uport->path); 2323f1ae32a1SGerd Hoffmann return CC_USB_TRANSACTION_ERROR; 2324f1ae32a1SGerd Hoffmann } 2325f1ae32a1SGerd Hoffmann 232691062ae0SGerd Hoffmann for (i = 0; i < xhci->numslots; i++) { 23270bc85da6SGerd Hoffmann if (i == slotid-1) { 23280bc85da6SGerd Hoffmann continue; 23290bc85da6SGerd Hoffmann } 2330ccaf87a0SGerd Hoffmann if (xhci->slots[i].uport == uport) { 2331d6bb65fcSGerd Hoffmann DPRINTF("xhci: port %s already assigned to slot %d\n", 2332ccaf87a0SGerd Hoffmann uport->path, i+1); 2333f1ae32a1SGerd Hoffmann return CC_TRB_ERROR; 2334f1ae32a1SGerd Hoffmann } 2335f1ae32a1SGerd Hoffmann } 2336f1ae32a1SGerd Hoffmann 2337f1ae32a1SGerd Hoffmann slot = &xhci->slots[slotid-1]; 2338ccaf87a0SGerd Hoffmann slot->uport = uport; 2339f1ae32a1SGerd Hoffmann slot->ctx = octx; 2340f1ae32a1SGerd Hoffmann 2341f1ae32a1SGerd Hoffmann if (bsr) { 2342f1ae32a1SGerd Hoffmann slot_ctx[3] = SLOT_DEFAULT << SLOT_STATE_SHIFT; 2343f1ae32a1SGerd Hoffmann } else { 2344a820b575SGerd Hoffmann USBPacket p; 2345a6718874SGerd Hoffmann uint8_t buf[1]; 2346a6718874SGerd Hoffmann 2347af203be3SGerd Hoffmann slot_ctx[3] = (SLOT_ADDRESSED << SLOT_STATE_SHIFT) | slotid; 23480bc85da6SGerd Hoffmann usb_device_reset(dev); 2349a6718874SGerd Hoffmann memset(&p, 0, sizeof(p)); 2350a6718874SGerd Hoffmann usb_packet_addbuf(&p, buf, sizeof(buf)); 2351a820b575SGerd Hoffmann usb_packet_setup(&p, USB_TOKEN_OUT, 23528550a02dSGerd Hoffmann usb_ep_get(dev, USB_TOKEN_OUT, 0), 0, 2353a820b575SGerd Hoffmann 0, false, false); 2354a820b575SGerd Hoffmann usb_device_handle_control(dev, &p, 2355f1ae32a1SGerd Hoffmann DeviceOutRequest | USB_REQ_SET_ADDRESS, 2356af203be3SGerd Hoffmann slotid, 0, 0, NULL); 2357a820b575SGerd Hoffmann assert(p.status != USB_RET_ASYNC); 2358f1ae32a1SGerd Hoffmann } 2359f1ae32a1SGerd Hoffmann 2360f1ae32a1SGerd Hoffmann res = xhci_enable_ep(xhci, slotid, 1, octx+32, ep0_ctx); 2361f1ae32a1SGerd Hoffmann 2362f1ae32a1SGerd Hoffmann DPRINTF("xhci: output slot context: %08x %08x %08x %08x\n", 2363f1ae32a1SGerd Hoffmann slot_ctx[0], slot_ctx[1], slot_ctx[2], slot_ctx[3]); 2364f1ae32a1SGerd Hoffmann DPRINTF("xhci: output ep0 context: %08x %08x %08x %08x %08x\n", 2365f1ae32a1SGerd Hoffmann ep0_ctx[0], ep0_ctx[1], ep0_ctx[2], ep0_ctx[3], ep0_ctx[4]); 2366f1ae32a1SGerd Hoffmann 2367616b5d53SDavid Gibson xhci_dma_write_u32s(xhci, octx, slot_ctx, sizeof(slot_ctx)); 2368616b5d53SDavid Gibson xhci_dma_write_u32s(xhci, octx+32, ep0_ctx, sizeof(ep0_ctx)); 2369f1ae32a1SGerd Hoffmann 23704034e693SGerd Hoffmann xhci->slots[slotid-1].addressed = 1; 2371f1ae32a1SGerd Hoffmann return res; 2372f1ae32a1SGerd Hoffmann } 2373f1ae32a1SGerd Hoffmann 2374f1ae32a1SGerd Hoffmann 2375f1ae32a1SGerd Hoffmann static TRBCCode xhci_configure_slot(XHCIState *xhci, unsigned int slotid, 2376f1ae32a1SGerd Hoffmann uint64_t pictx, bool dc) 2377f1ae32a1SGerd Hoffmann { 237859a70ccdSDavid Gibson dma_addr_t ictx, octx; 2379f1ae32a1SGerd Hoffmann uint32_t ictl_ctx[2]; 2380f1ae32a1SGerd Hoffmann uint32_t slot_ctx[4]; 2381f1ae32a1SGerd Hoffmann uint32_t islot_ctx[4]; 2382f1ae32a1SGerd Hoffmann uint32_t ep_ctx[5]; 2383f1ae32a1SGerd Hoffmann int i; 2384f1ae32a1SGerd Hoffmann TRBCCode res; 2385f1ae32a1SGerd Hoffmann 2386348f1037SGerd Hoffmann trace_usb_xhci_slot_configure(slotid); 238791062ae0SGerd Hoffmann assert(slotid >= 1 && slotid <= xhci->numslots); 2388f1ae32a1SGerd Hoffmann 2389f1ae32a1SGerd Hoffmann ictx = xhci_mask64(pictx); 2390f1ae32a1SGerd Hoffmann octx = xhci->slots[slotid-1].ctx; 2391f1ae32a1SGerd Hoffmann 239259a70ccdSDavid Gibson DPRINTF("xhci: input context at "DMA_ADDR_FMT"\n", ictx); 239359a70ccdSDavid Gibson DPRINTF("xhci: output context at "DMA_ADDR_FMT"\n", octx); 2394f1ae32a1SGerd Hoffmann 2395f1ae32a1SGerd Hoffmann if (dc) { 2396f1ae32a1SGerd Hoffmann for (i = 2; i <= 31; i++) { 2397f1ae32a1SGerd Hoffmann if (xhci->slots[slotid-1].eps[i-1]) { 2398f1ae32a1SGerd Hoffmann xhci_disable_ep(xhci, slotid, i); 2399f1ae32a1SGerd Hoffmann } 2400f1ae32a1SGerd Hoffmann } 2401f1ae32a1SGerd Hoffmann 2402616b5d53SDavid Gibson xhci_dma_read_u32s(xhci, octx, slot_ctx, sizeof(slot_ctx)); 2403f1ae32a1SGerd Hoffmann slot_ctx[3] &= ~(SLOT_STATE_MASK << SLOT_STATE_SHIFT); 2404f1ae32a1SGerd Hoffmann slot_ctx[3] |= SLOT_ADDRESSED << SLOT_STATE_SHIFT; 2405f1ae32a1SGerd Hoffmann DPRINTF("xhci: output slot context: %08x %08x %08x %08x\n", 2406f1ae32a1SGerd Hoffmann slot_ctx[0], slot_ctx[1], slot_ctx[2], slot_ctx[3]); 2407616b5d53SDavid Gibson xhci_dma_write_u32s(xhci, octx, slot_ctx, sizeof(slot_ctx)); 2408f1ae32a1SGerd Hoffmann 2409f1ae32a1SGerd Hoffmann return CC_SUCCESS; 2410f1ae32a1SGerd Hoffmann } 2411f1ae32a1SGerd Hoffmann 2412616b5d53SDavid Gibson xhci_dma_read_u32s(xhci, ictx, ictl_ctx, sizeof(ictl_ctx)); 2413f1ae32a1SGerd Hoffmann 2414f1ae32a1SGerd Hoffmann if ((ictl_ctx[0] & 0x3) != 0x0 || (ictl_ctx[1] & 0x3) != 0x1) { 2415d6bb65fcSGerd Hoffmann DPRINTF("xhci: invalid input context control %08x %08x\n", 2416f1ae32a1SGerd Hoffmann ictl_ctx[0], ictl_ctx[1]); 2417f1ae32a1SGerd Hoffmann return CC_TRB_ERROR; 2418f1ae32a1SGerd Hoffmann } 2419f1ae32a1SGerd Hoffmann 2420616b5d53SDavid Gibson xhci_dma_read_u32s(xhci, ictx+32, islot_ctx, sizeof(islot_ctx)); 2421616b5d53SDavid Gibson xhci_dma_read_u32s(xhci, octx, slot_ctx, sizeof(slot_ctx)); 2422f1ae32a1SGerd Hoffmann 2423f1ae32a1SGerd Hoffmann if (SLOT_STATE(slot_ctx[3]) < SLOT_ADDRESSED) { 2424d6bb65fcSGerd Hoffmann DPRINTF("xhci: invalid slot state %08x\n", slot_ctx[3]); 2425f1ae32a1SGerd Hoffmann return CC_CONTEXT_STATE_ERROR; 2426f1ae32a1SGerd Hoffmann } 2427f1ae32a1SGerd Hoffmann 242872391da5SHans de Goede xhci_free_device_streams(xhci, slotid, ictl_ctx[0] | ictl_ctx[1]); 242972391da5SHans de Goede 2430f1ae32a1SGerd Hoffmann for (i = 2; i <= 31; i++) { 2431f1ae32a1SGerd Hoffmann if (ictl_ctx[0] & (1<<i)) { 2432f1ae32a1SGerd Hoffmann xhci_disable_ep(xhci, slotid, i); 2433f1ae32a1SGerd Hoffmann } 2434f1ae32a1SGerd Hoffmann if (ictl_ctx[1] & (1<<i)) { 2435616b5d53SDavid Gibson xhci_dma_read_u32s(xhci, ictx+32+(32*i), ep_ctx, sizeof(ep_ctx)); 2436f1ae32a1SGerd Hoffmann DPRINTF("xhci: input ep%d.%d context: %08x %08x %08x %08x %08x\n", 2437f1ae32a1SGerd Hoffmann i/2, i%2, ep_ctx[0], ep_ctx[1], ep_ctx[2], 2438f1ae32a1SGerd Hoffmann ep_ctx[3], ep_ctx[4]); 2439f1ae32a1SGerd Hoffmann xhci_disable_ep(xhci, slotid, i); 2440f1ae32a1SGerd Hoffmann res = xhci_enable_ep(xhci, slotid, i, octx+(32*i), ep_ctx); 2441f1ae32a1SGerd Hoffmann if (res != CC_SUCCESS) { 2442f1ae32a1SGerd Hoffmann return res; 2443f1ae32a1SGerd Hoffmann } 2444f1ae32a1SGerd Hoffmann DPRINTF("xhci: output ep%d.%d context: %08x %08x %08x %08x %08x\n", 2445f1ae32a1SGerd Hoffmann i/2, i%2, ep_ctx[0], ep_ctx[1], ep_ctx[2], 2446f1ae32a1SGerd Hoffmann ep_ctx[3], ep_ctx[4]); 2447616b5d53SDavid Gibson xhci_dma_write_u32s(xhci, octx+(32*i), ep_ctx, sizeof(ep_ctx)); 2448f1ae32a1SGerd Hoffmann } 2449f1ae32a1SGerd Hoffmann } 2450f1ae32a1SGerd Hoffmann 245172391da5SHans de Goede res = xhci_alloc_device_streams(xhci, slotid, ictl_ctx[1]); 245272391da5SHans de Goede if (res != CC_SUCCESS) { 245372391da5SHans de Goede for (i = 2; i <= 31; i++) { 245472391da5SHans de Goede if (ictl_ctx[1] & (1 << i)) { 245572391da5SHans de Goede xhci_disable_ep(xhci, slotid, i); 245672391da5SHans de Goede } 245772391da5SHans de Goede } 245872391da5SHans de Goede return res; 245972391da5SHans de Goede } 246072391da5SHans de Goede 2461f1ae32a1SGerd Hoffmann slot_ctx[3] &= ~(SLOT_STATE_MASK << SLOT_STATE_SHIFT); 2462f1ae32a1SGerd Hoffmann slot_ctx[3] |= SLOT_CONFIGURED << SLOT_STATE_SHIFT; 2463f1ae32a1SGerd Hoffmann slot_ctx[0] &= ~(SLOT_CONTEXT_ENTRIES_MASK << SLOT_CONTEXT_ENTRIES_SHIFT); 2464f1ae32a1SGerd Hoffmann slot_ctx[0] |= islot_ctx[0] & (SLOT_CONTEXT_ENTRIES_MASK << 2465f1ae32a1SGerd Hoffmann SLOT_CONTEXT_ENTRIES_SHIFT); 2466f1ae32a1SGerd Hoffmann DPRINTF("xhci: output slot context: %08x %08x %08x %08x\n", 2467f1ae32a1SGerd Hoffmann slot_ctx[0], slot_ctx[1], slot_ctx[2], slot_ctx[3]); 2468f1ae32a1SGerd Hoffmann 2469616b5d53SDavid Gibson xhci_dma_write_u32s(xhci, octx, slot_ctx, sizeof(slot_ctx)); 2470f1ae32a1SGerd Hoffmann 2471f1ae32a1SGerd Hoffmann return CC_SUCCESS; 2472f1ae32a1SGerd Hoffmann } 2473f1ae32a1SGerd Hoffmann 2474f1ae32a1SGerd Hoffmann 2475f1ae32a1SGerd Hoffmann static TRBCCode xhci_evaluate_slot(XHCIState *xhci, unsigned int slotid, 2476f1ae32a1SGerd Hoffmann uint64_t pictx) 2477f1ae32a1SGerd Hoffmann { 247859a70ccdSDavid Gibson dma_addr_t ictx, octx; 2479f1ae32a1SGerd Hoffmann uint32_t ictl_ctx[2]; 2480f1ae32a1SGerd Hoffmann uint32_t iep0_ctx[5]; 2481f1ae32a1SGerd Hoffmann uint32_t ep0_ctx[5]; 2482f1ae32a1SGerd Hoffmann uint32_t islot_ctx[4]; 2483f1ae32a1SGerd Hoffmann uint32_t slot_ctx[4]; 2484f1ae32a1SGerd Hoffmann 2485348f1037SGerd Hoffmann trace_usb_xhci_slot_evaluate(slotid); 248691062ae0SGerd Hoffmann assert(slotid >= 1 && slotid <= xhci->numslots); 2487f1ae32a1SGerd Hoffmann 2488f1ae32a1SGerd Hoffmann ictx = xhci_mask64(pictx); 2489f1ae32a1SGerd Hoffmann octx = xhci->slots[slotid-1].ctx; 2490f1ae32a1SGerd Hoffmann 249159a70ccdSDavid Gibson DPRINTF("xhci: input context at "DMA_ADDR_FMT"\n", ictx); 249259a70ccdSDavid Gibson DPRINTF("xhci: output context at "DMA_ADDR_FMT"\n", octx); 2493f1ae32a1SGerd Hoffmann 2494616b5d53SDavid Gibson xhci_dma_read_u32s(xhci, ictx, ictl_ctx, sizeof(ictl_ctx)); 2495f1ae32a1SGerd Hoffmann 2496f1ae32a1SGerd Hoffmann if (ictl_ctx[0] != 0x0 || ictl_ctx[1] & ~0x3) { 2497d6bb65fcSGerd Hoffmann DPRINTF("xhci: invalid input context control %08x %08x\n", 2498f1ae32a1SGerd Hoffmann ictl_ctx[0], ictl_ctx[1]); 2499f1ae32a1SGerd Hoffmann return CC_TRB_ERROR; 2500f1ae32a1SGerd Hoffmann } 2501f1ae32a1SGerd Hoffmann 2502f1ae32a1SGerd Hoffmann if (ictl_ctx[1] & 0x1) { 2503616b5d53SDavid Gibson xhci_dma_read_u32s(xhci, ictx+32, islot_ctx, sizeof(islot_ctx)); 2504f1ae32a1SGerd Hoffmann 2505f1ae32a1SGerd Hoffmann DPRINTF("xhci: input slot context: %08x %08x %08x %08x\n", 2506f1ae32a1SGerd Hoffmann islot_ctx[0], islot_ctx[1], islot_ctx[2], islot_ctx[3]); 2507f1ae32a1SGerd Hoffmann 2508616b5d53SDavid Gibson xhci_dma_read_u32s(xhci, octx, slot_ctx, sizeof(slot_ctx)); 2509f1ae32a1SGerd Hoffmann 2510f1ae32a1SGerd Hoffmann slot_ctx[1] &= ~0xFFFF; /* max exit latency */ 2511f1ae32a1SGerd Hoffmann slot_ctx[1] |= islot_ctx[1] & 0xFFFF; 2512f1ae32a1SGerd Hoffmann slot_ctx[2] &= ~0xFF00000; /* interrupter target */ 2513f1ae32a1SGerd Hoffmann slot_ctx[2] |= islot_ctx[2] & 0xFF000000; 2514f1ae32a1SGerd Hoffmann 2515f1ae32a1SGerd Hoffmann DPRINTF("xhci: output slot context: %08x %08x %08x %08x\n", 2516f1ae32a1SGerd Hoffmann slot_ctx[0], slot_ctx[1], slot_ctx[2], slot_ctx[3]); 2517f1ae32a1SGerd Hoffmann 2518616b5d53SDavid Gibson xhci_dma_write_u32s(xhci, octx, slot_ctx, sizeof(slot_ctx)); 2519f1ae32a1SGerd Hoffmann } 2520f1ae32a1SGerd Hoffmann 2521f1ae32a1SGerd Hoffmann if (ictl_ctx[1] & 0x2) { 2522616b5d53SDavid Gibson xhci_dma_read_u32s(xhci, ictx+64, iep0_ctx, sizeof(iep0_ctx)); 2523f1ae32a1SGerd Hoffmann 2524f1ae32a1SGerd Hoffmann DPRINTF("xhci: input ep0 context: %08x %08x %08x %08x %08x\n", 2525f1ae32a1SGerd Hoffmann iep0_ctx[0], iep0_ctx[1], iep0_ctx[2], 2526f1ae32a1SGerd Hoffmann iep0_ctx[3], iep0_ctx[4]); 2527f1ae32a1SGerd Hoffmann 2528616b5d53SDavid Gibson xhci_dma_read_u32s(xhci, octx+32, ep0_ctx, sizeof(ep0_ctx)); 2529f1ae32a1SGerd Hoffmann 2530f1ae32a1SGerd Hoffmann ep0_ctx[1] &= ~0xFFFF0000; /* max packet size*/ 2531f1ae32a1SGerd Hoffmann ep0_ctx[1] |= iep0_ctx[1] & 0xFFFF0000; 2532f1ae32a1SGerd Hoffmann 2533f1ae32a1SGerd Hoffmann DPRINTF("xhci: output ep0 context: %08x %08x %08x %08x %08x\n", 2534f1ae32a1SGerd Hoffmann ep0_ctx[0], ep0_ctx[1], ep0_ctx[2], ep0_ctx[3], ep0_ctx[4]); 2535f1ae32a1SGerd Hoffmann 2536616b5d53SDavid Gibson xhci_dma_write_u32s(xhci, octx+32, ep0_ctx, sizeof(ep0_ctx)); 2537f1ae32a1SGerd Hoffmann } 2538f1ae32a1SGerd Hoffmann 2539f1ae32a1SGerd Hoffmann return CC_SUCCESS; 2540f1ae32a1SGerd Hoffmann } 2541f1ae32a1SGerd Hoffmann 2542f1ae32a1SGerd Hoffmann static TRBCCode xhci_reset_slot(XHCIState *xhci, unsigned int slotid) 2543f1ae32a1SGerd Hoffmann { 2544f1ae32a1SGerd Hoffmann uint32_t slot_ctx[4]; 254559a70ccdSDavid Gibson dma_addr_t octx; 2546f1ae32a1SGerd Hoffmann int i; 2547f1ae32a1SGerd Hoffmann 2548348f1037SGerd Hoffmann trace_usb_xhci_slot_reset(slotid); 254991062ae0SGerd Hoffmann assert(slotid >= 1 && slotid <= xhci->numslots); 2550f1ae32a1SGerd Hoffmann 2551f1ae32a1SGerd Hoffmann octx = xhci->slots[slotid-1].ctx; 2552f1ae32a1SGerd Hoffmann 255359a70ccdSDavid Gibson DPRINTF("xhci: output context at "DMA_ADDR_FMT"\n", octx); 2554f1ae32a1SGerd Hoffmann 2555f1ae32a1SGerd Hoffmann for (i = 2; i <= 31; i++) { 2556f1ae32a1SGerd Hoffmann if (xhci->slots[slotid-1].eps[i-1]) { 2557f1ae32a1SGerd Hoffmann xhci_disable_ep(xhci, slotid, i); 2558f1ae32a1SGerd Hoffmann } 2559f1ae32a1SGerd Hoffmann } 2560f1ae32a1SGerd Hoffmann 2561616b5d53SDavid Gibson xhci_dma_read_u32s(xhci, octx, slot_ctx, sizeof(slot_ctx)); 2562f1ae32a1SGerd Hoffmann slot_ctx[3] &= ~(SLOT_STATE_MASK << SLOT_STATE_SHIFT); 2563f1ae32a1SGerd Hoffmann slot_ctx[3] |= SLOT_DEFAULT << SLOT_STATE_SHIFT; 2564f1ae32a1SGerd Hoffmann DPRINTF("xhci: output slot context: %08x %08x %08x %08x\n", 2565f1ae32a1SGerd Hoffmann slot_ctx[0], slot_ctx[1], slot_ctx[2], slot_ctx[3]); 2566616b5d53SDavid Gibson xhci_dma_write_u32s(xhci, octx, slot_ctx, sizeof(slot_ctx)); 2567f1ae32a1SGerd Hoffmann 2568f1ae32a1SGerd Hoffmann return CC_SUCCESS; 2569f1ae32a1SGerd Hoffmann } 2570f1ae32a1SGerd Hoffmann 2571f1ae32a1SGerd Hoffmann static unsigned int xhci_get_slot(XHCIState *xhci, XHCIEvent *event, XHCITRB *trb) 2572f1ae32a1SGerd Hoffmann { 2573f1ae32a1SGerd Hoffmann unsigned int slotid; 2574f1ae32a1SGerd Hoffmann slotid = (trb->control >> TRB_CR_SLOTID_SHIFT) & TRB_CR_SLOTID_MASK; 257591062ae0SGerd Hoffmann if (slotid < 1 || slotid > xhci->numslots) { 2576d6bb65fcSGerd Hoffmann DPRINTF("xhci: bad slot id %d\n", slotid); 2577f1ae32a1SGerd Hoffmann event->ccode = CC_TRB_ERROR; 2578f1ae32a1SGerd Hoffmann return 0; 2579f1ae32a1SGerd Hoffmann } else if (!xhci->slots[slotid-1].enabled) { 2580d6bb65fcSGerd Hoffmann DPRINTF("xhci: slot id %d not enabled\n", slotid); 2581f1ae32a1SGerd Hoffmann event->ccode = CC_SLOT_NOT_ENABLED_ERROR; 2582f1ae32a1SGerd Hoffmann return 0; 2583f1ae32a1SGerd Hoffmann } 2584f1ae32a1SGerd Hoffmann return slotid; 2585f1ae32a1SGerd Hoffmann } 2586f1ae32a1SGerd Hoffmann 258781251841SGerd Hoffmann /* cleanup slot state on usb device detach */ 258881251841SGerd Hoffmann static void xhci_detach_slot(XHCIState *xhci, USBPort *uport) 258981251841SGerd Hoffmann { 25900cb41e2cSGerd Hoffmann int slot, ep; 259181251841SGerd Hoffmann 259281251841SGerd Hoffmann for (slot = 0; slot < xhci->numslots; slot++) { 259381251841SGerd Hoffmann if (xhci->slots[slot].uport == uport) { 259481251841SGerd Hoffmann break; 259581251841SGerd Hoffmann } 259681251841SGerd Hoffmann } 259781251841SGerd Hoffmann if (slot == xhci->numslots) { 259881251841SGerd Hoffmann return; 259981251841SGerd Hoffmann } 260081251841SGerd Hoffmann 26010cb41e2cSGerd Hoffmann for (ep = 0; ep < 31; ep++) { 26020cb41e2cSGerd Hoffmann if (xhci->slots[slot].eps[ep]) { 2603582d6f4aSHans de Goede xhci_ep_nuke_xfers(xhci, slot + 1, ep + 1, 0); 26040cb41e2cSGerd Hoffmann } 26050cb41e2cSGerd Hoffmann } 260681251841SGerd Hoffmann xhci->slots[slot].uport = NULL; 260781251841SGerd Hoffmann } 260881251841SGerd Hoffmann 2609f1ae32a1SGerd Hoffmann static TRBCCode xhci_get_port_bandwidth(XHCIState *xhci, uint64_t pctx) 2610f1ae32a1SGerd Hoffmann { 261159a70ccdSDavid Gibson dma_addr_t ctx; 26120846e635SGerd Hoffmann uint8_t bw_ctx[xhci->numports+1]; 2613f1ae32a1SGerd Hoffmann 2614f1ae32a1SGerd Hoffmann DPRINTF("xhci_get_port_bandwidth()\n"); 2615f1ae32a1SGerd Hoffmann 2616f1ae32a1SGerd Hoffmann ctx = xhci_mask64(pctx); 2617f1ae32a1SGerd Hoffmann 261859a70ccdSDavid Gibson DPRINTF("xhci: bandwidth context at "DMA_ADDR_FMT"\n", ctx); 2619f1ae32a1SGerd Hoffmann 2620f1ae32a1SGerd Hoffmann /* TODO: actually implement real values here */ 2621f1ae32a1SGerd Hoffmann bw_ctx[0] = 0; 26220846e635SGerd Hoffmann memset(&bw_ctx[1], 80, xhci->numports); /* 80% */ 26239b7d3334SAndreas Färber pci_dma_write(PCI_DEVICE(xhci), ctx, bw_ctx, sizeof(bw_ctx)); 2624f1ae32a1SGerd Hoffmann 2625f1ae32a1SGerd Hoffmann return CC_SUCCESS; 2626f1ae32a1SGerd Hoffmann } 2627f1ae32a1SGerd Hoffmann 2628f1ae32a1SGerd Hoffmann static uint32_t rotl(uint32_t v, unsigned count) 2629f1ae32a1SGerd Hoffmann { 2630f1ae32a1SGerd Hoffmann count &= 31; 2631f1ae32a1SGerd Hoffmann return (v << count) | (v >> (32 - count)); 2632f1ae32a1SGerd Hoffmann } 2633f1ae32a1SGerd Hoffmann 2634f1ae32a1SGerd Hoffmann 2635f1ae32a1SGerd Hoffmann static uint32_t xhci_nec_challenge(uint32_t hi, uint32_t lo) 2636f1ae32a1SGerd Hoffmann { 2637f1ae32a1SGerd Hoffmann uint32_t val; 2638f1ae32a1SGerd Hoffmann val = rotl(lo - 0x49434878, 32 - ((hi>>8) & 0x1F)); 2639f1ae32a1SGerd Hoffmann val += rotl(lo + 0x49434878, hi & 0x1F); 2640f1ae32a1SGerd Hoffmann val -= rotl(hi ^ 0x49434878, (lo >> 16) & 0x1F); 2641f1ae32a1SGerd Hoffmann return ~val; 2642f1ae32a1SGerd Hoffmann } 2643f1ae32a1SGerd Hoffmann 264459a70ccdSDavid Gibson static void xhci_via_challenge(XHCIState *xhci, uint64_t addr) 2645f1ae32a1SGerd Hoffmann { 26469b7d3334SAndreas Färber PCIDevice *pci_dev = PCI_DEVICE(xhci); 2647f1ae32a1SGerd Hoffmann uint32_t buf[8]; 2648f1ae32a1SGerd Hoffmann uint32_t obuf[8]; 264959a70ccdSDavid Gibson dma_addr_t paddr = xhci_mask64(addr); 2650f1ae32a1SGerd Hoffmann 26519b7d3334SAndreas Färber pci_dma_read(pci_dev, paddr, &buf, 32); 2652f1ae32a1SGerd Hoffmann 2653f1ae32a1SGerd Hoffmann memcpy(obuf, buf, sizeof(obuf)); 2654f1ae32a1SGerd Hoffmann 2655f1ae32a1SGerd Hoffmann if ((buf[0] & 0xff) == 2) { 2656f1ae32a1SGerd Hoffmann obuf[0] = 0x49932000 + 0x54dc200 * buf[2] + 0x7429b578 * buf[3]; 2657f1ae32a1SGerd Hoffmann obuf[0] |= (buf[2] * buf[3]) & 0xff; 2658f1ae32a1SGerd Hoffmann obuf[1] = 0x0132bb37 + 0xe89 * buf[2] + 0xf09 * buf[3]; 2659f1ae32a1SGerd Hoffmann obuf[2] = 0x0066c2e9 + 0x2091 * buf[2] + 0x19bd * buf[3]; 2660f1ae32a1SGerd Hoffmann obuf[3] = 0xd5281342 + 0x2cc9691 * buf[2] + 0x2367662 * buf[3]; 2661f1ae32a1SGerd Hoffmann obuf[4] = 0x0123c75c + 0x1595 * buf[2] + 0x19ec * buf[3]; 2662f1ae32a1SGerd Hoffmann obuf[5] = 0x00f695de + 0x26fd * buf[2] + 0x3e9 * buf[3]; 2663f1ae32a1SGerd Hoffmann obuf[6] = obuf[2] ^ obuf[3] ^ 0x29472956; 2664f1ae32a1SGerd Hoffmann obuf[7] = obuf[2] ^ obuf[3] ^ 0x65866593; 2665f1ae32a1SGerd Hoffmann } 2666f1ae32a1SGerd Hoffmann 26679b7d3334SAndreas Färber pci_dma_write(pci_dev, paddr, &obuf, 32); 2668f1ae32a1SGerd Hoffmann } 2669f1ae32a1SGerd Hoffmann 2670f1ae32a1SGerd Hoffmann static void xhci_process_commands(XHCIState *xhci) 2671f1ae32a1SGerd Hoffmann { 2672f1ae32a1SGerd Hoffmann XHCITRB trb; 2673f1ae32a1SGerd Hoffmann TRBType type; 2674f1ae32a1SGerd Hoffmann XHCIEvent event = {ER_COMMAND_COMPLETE, CC_SUCCESS}; 267559a70ccdSDavid Gibson dma_addr_t addr; 2676f1ae32a1SGerd Hoffmann unsigned int i, slotid = 0; 2677f1ae32a1SGerd Hoffmann 2678f1ae32a1SGerd Hoffmann DPRINTF("xhci_process_commands()\n"); 2679f1ae32a1SGerd Hoffmann if (!xhci_running(xhci)) { 2680f1ae32a1SGerd Hoffmann DPRINTF("xhci_process_commands() called while xHC stopped or paused\n"); 2681f1ae32a1SGerd Hoffmann return; 2682f1ae32a1SGerd Hoffmann } 2683f1ae32a1SGerd Hoffmann 2684f1ae32a1SGerd Hoffmann xhci->crcr_low |= CRCR_CRR; 2685f1ae32a1SGerd Hoffmann 2686f1ae32a1SGerd Hoffmann while ((type = xhci_ring_fetch(xhci, &xhci->cmd_ring, &trb, &addr))) { 2687f1ae32a1SGerd Hoffmann event.ptr = addr; 2688f1ae32a1SGerd Hoffmann switch (type) { 2689f1ae32a1SGerd Hoffmann case CR_ENABLE_SLOT: 269091062ae0SGerd Hoffmann for (i = 0; i < xhci->numslots; i++) { 2691f1ae32a1SGerd Hoffmann if (!xhci->slots[i].enabled) { 2692f1ae32a1SGerd Hoffmann break; 2693f1ae32a1SGerd Hoffmann } 2694f1ae32a1SGerd Hoffmann } 269591062ae0SGerd Hoffmann if (i >= xhci->numslots) { 2696d6bb65fcSGerd Hoffmann DPRINTF("xhci: no device slots available\n"); 2697f1ae32a1SGerd Hoffmann event.ccode = CC_NO_SLOTS_ERROR; 2698f1ae32a1SGerd Hoffmann } else { 2699f1ae32a1SGerd Hoffmann slotid = i+1; 2700f1ae32a1SGerd Hoffmann event.ccode = xhci_enable_slot(xhci, slotid); 2701f1ae32a1SGerd Hoffmann } 2702f1ae32a1SGerd Hoffmann break; 2703f1ae32a1SGerd Hoffmann case CR_DISABLE_SLOT: 2704f1ae32a1SGerd Hoffmann slotid = xhci_get_slot(xhci, &event, &trb); 2705f1ae32a1SGerd Hoffmann if (slotid) { 2706f1ae32a1SGerd Hoffmann event.ccode = xhci_disable_slot(xhci, slotid); 2707f1ae32a1SGerd Hoffmann } 2708f1ae32a1SGerd Hoffmann break; 2709f1ae32a1SGerd Hoffmann case CR_ADDRESS_DEVICE: 2710f1ae32a1SGerd Hoffmann slotid = xhci_get_slot(xhci, &event, &trb); 2711f1ae32a1SGerd Hoffmann if (slotid) { 2712f1ae32a1SGerd Hoffmann event.ccode = xhci_address_slot(xhci, slotid, trb.parameter, 2713f1ae32a1SGerd Hoffmann trb.control & TRB_CR_BSR); 2714f1ae32a1SGerd Hoffmann } 2715f1ae32a1SGerd Hoffmann break; 2716f1ae32a1SGerd Hoffmann case CR_CONFIGURE_ENDPOINT: 2717f1ae32a1SGerd Hoffmann slotid = xhci_get_slot(xhci, &event, &trb); 2718f1ae32a1SGerd Hoffmann if (slotid) { 2719f1ae32a1SGerd Hoffmann event.ccode = xhci_configure_slot(xhci, slotid, trb.parameter, 2720f1ae32a1SGerd Hoffmann trb.control & TRB_CR_DC); 2721f1ae32a1SGerd Hoffmann } 2722f1ae32a1SGerd Hoffmann break; 2723f1ae32a1SGerd Hoffmann case CR_EVALUATE_CONTEXT: 2724f1ae32a1SGerd Hoffmann slotid = xhci_get_slot(xhci, &event, &trb); 2725f1ae32a1SGerd Hoffmann if (slotid) { 2726f1ae32a1SGerd Hoffmann event.ccode = xhci_evaluate_slot(xhci, slotid, trb.parameter); 2727f1ae32a1SGerd Hoffmann } 2728f1ae32a1SGerd Hoffmann break; 2729f1ae32a1SGerd Hoffmann case CR_STOP_ENDPOINT: 2730f1ae32a1SGerd Hoffmann slotid = xhci_get_slot(xhci, &event, &trb); 2731f1ae32a1SGerd Hoffmann if (slotid) { 2732f1ae32a1SGerd Hoffmann unsigned int epid = (trb.control >> TRB_CR_EPID_SHIFT) 2733f1ae32a1SGerd Hoffmann & TRB_CR_EPID_MASK; 2734f1ae32a1SGerd Hoffmann event.ccode = xhci_stop_ep(xhci, slotid, epid); 2735f1ae32a1SGerd Hoffmann } 2736f1ae32a1SGerd Hoffmann break; 2737f1ae32a1SGerd Hoffmann case CR_RESET_ENDPOINT: 2738f1ae32a1SGerd Hoffmann slotid = xhci_get_slot(xhci, &event, &trb); 2739f1ae32a1SGerd Hoffmann if (slotid) { 2740f1ae32a1SGerd Hoffmann unsigned int epid = (trb.control >> TRB_CR_EPID_SHIFT) 2741f1ae32a1SGerd Hoffmann & TRB_CR_EPID_MASK; 2742f1ae32a1SGerd Hoffmann event.ccode = xhci_reset_ep(xhci, slotid, epid); 2743f1ae32a1SGerd Hoffmann } 2744f1ae32a1SGerd Hoffmann break; 2745f1ae32a1SGerd Hoffmann case CR_SET_TR_DEQUEUE: 2746f1ae32a1SGerd Hoffmann slotid = xhci_get_slot(xhci, &event, &trb); 2747f1ae32a1SGerd Hoffmann if (slotid) { 2748f1ae32a1SGerd Hoffmann unsigned int epid = (trb.control >> TRB_CR_EPID_SHIFT) 2749f1ae32a1SGerd Hoffmann & TRB_CR_EPID_MASK; 2750024426acSGerd Hoffmann unsigned int streamid = (trb.status >> 16) & 0xffff; 2751024426acSGerd Hoffmann event.ccode = xhci_set_ep_dequeue(xhci, slotid, 2752024426acSGerd Hoffmann epid, streamid, 2753f1ae32a1SGerd Hoffmann trb.parameter); 2754f1ae32a1SGerd Hoffmann } 2755f1ae32a1SGerd Hoffmann break; 2756f1ae32a1SGerd Hoffmann case CR_RESET_DEVICE: 2757f1ae32a1SGerd Hoffmann slotid = xhci_get_slot(xhci, &event, &trb); 2758f1ae32a1SGerd Hoffmann if (slotid) { 2759f1ae32a1SGerd Hoffmann event.ccode = xhci_reset_slot(xhci, slotid); 2760f1ae32a1SGerd Hoffmann } 2761f1ae32a1SGerd Hoffmann break; 2762f1ae32a1SGerd Hoffmann case CR_GET_PORT_BANDWIDTH: 2763f1ae32a1SGerd Hoffmann event.ccode = xhci_get_port_bandwidth(xhci, trb.parameter); 2764f1ae32a1SGerd Hoffmann break; 2765f1ae32a1SGerd Hoffmann case CR_VENDOR_VIA_CHALLENGE_RESPONSE: 276659a70ccdSDavid Gibson xhci_via_challenge(xhci, trb.parameter); 2767f1ae32a1SGerd Hoffmann break; 2768f1ae32a1SGerd Hoffmann case CR_VENDOR_NEC_FIRMWARE_REVISION: 2769f1ae32a1SGerd Hoffmann event.type = 48; /* NEC reply */ 2770f1ae32a1SGerd Hoffmann event.length = 0x3025; 2771f1ae32a1SGerd Hoffmann break; 2772f1ae32a1SGerd Hoffmann case CR_VENDOR_NEC_CHALLENGE_RESPONSE: 2773f1ae32a1SGerd Hoffmann { 2774f1ae32a1SGerd Hoffmann uint32_t chi = trb.parameter >> 32; 2775f1ae32a1SGerd Hoffmann uint32_t clo = trb.parameter; 2776f1ae32a1SGerd Hoffmann uint32_t val = xhci_nec_challenge(chi, clo); 2777f1ae32a1SGerd Hoffmann event.length = val & 0xFFFF; 2778f1ae32a1SGerd Hoffmann event.epid = val >> 16; 2779f1ae32a1SGerd Hoffmann slotid = val >> 24; 2780f1ae32a1SGerd Hoffmann event.type = 48; /* NEC reply */ 2781f1ae32a1SGerd Hoffmann } 2782f1ae32a1SGerd Hoffmann break; 2783f1ae32a1SGerd Hoffmann default: 27840ab966cfSGerd Hoffmann trace_usb_xhci_unimplemented("command", type); 2785f1ae32a1SGerd Hoffmann event.ccode = CC_TRB_ERROR; 2786f1ae32a1SGerd Hoffmann break; 2787f1ae32a1SGerd Hoffmann } 2788f1ae32a1SGerd Hoffmann event.slotid = slotid; 27892d1de850SGerd Hoffmann xhci_event(xhci, &event, 0); 2790f1ae32a1SGerd Hoffmann } 2791f1ae32a1SGerd Hoffmann } 2792f1ae32a1SGerd Hoffmann 27936a32f80fSGerd Hoffmann static bool xhci_port_have_device(XHCIPort *port) 27946a32f80fSGerd Hoffmann { 27956a32f80fSGerd Hoffmann if (!port->uport->dev || !port->uport->dev->attached) { 27966a32f80fSGerd Hoffmann return false; /* no device present */ 27976a32f80fSGerd Hoffmann } 27986a32f80fSGerd Hoffmann if (!((1 << port->uport->dev->speed) & port->speedmask)) { 27996a32f80fSGerd Hoffmann return false; /* speed mismatch */ 28006a32f80fSGerd Hoffmann } 28016a32f80fSGerd Hoffmann return true; 28026a32f80fSGerd Hoffmann } 28036a32f80fSGerd Hoffmann 2804f705a362SGerd Hoffmann static void xhci_port_notify(XHCIPort *port, uint32_t bits) 2805f705a362SGerd Hoffmann { 2806f705a362SGerd Hoffmann XHCIEvent ev = { ER_PORT_STATUS_CHANGE, CC_SUCCESS, 2807f705a362SGerd Hoffmann port->portnr << 24 }; 2808f705a362SGerd Hoffmann 2809f705a362SGerd Hoffmann if ((port->portsc & bits) == bits) { 2810f705a362SGerd Hoffmann return; 2811f705a362SGerd Hoffmann } 2812bdfce20dSGerd Hoffmann trace_usb_xhci_port_notify(port->portnr, bits); 2813f705a362SGerd Hoffmann port->portsc |= bits; 2814f705a362SGerd Hoffmann if (!xhci_running(port->xhci)) { 2815f705a362SGerd Hoffmann return; 2816f705a362SGerd Hoffmann } 2817f705a362SGerd Hoffmann xhci_event(port->xhci, &ev, 0); 2818f705a362SGerd Hoffmann } 2819f705a362SGerd Hoffmann 2820f3214027SGerd Hoffmann static void xhci_port_update(XHCIPort *port, int is_detach) 2821f1ae32a1SGerd Hoffmann { 2822b62b0828SGerd Hoffmann uint32_t pls = PLS_RX_DETECT; 2823b62b0828SGerd Hoffmann 2824f1ae32a1SGerd Hoffmann port->portsc = PORTSC_PP; 28256a32f80fSGerd Hoffmann if (!is_detach && xhci_port_have_device(port)) { 2826f1ae32a1SGerd Hoffmann port->portsc |= PORTSC_CCS; 28270846e635SGerd Hoffmann switch (port->uport->dev->speed) { 2828f1ae32a1SGerd Hoffmann case USB_SPEED_LOW: 2829f1ae32a1SGerd Hoffmann port->portsc |= PORTSC_SPEED_LOW; 2830b62b0828SGerd Hoffmann pls = PLS_POLLING; 2831f1ae32a1SGerd Hoffmann break; 2832f1ae32a1SGerd Hoffmann case USB_SPEED_FULL: 2833f1ae32a1SGerd Hoffmann port->portsc |= PORTSC_SPEED_FULL; 2834b62b0828SGerd Hoffmann pls = PLS_POLLING; 2835f1ae32a1SGerd Hoffmann break; 2836f1ae32a1SGerd Hoffmann case USB_SPEED_HIGH: 2837f1ae32a1SGerd Hoffmann port->portsc |= PORTSC_SPEED_HIGH; 2838b62b0828SGerd Hoffmann pls = PLS_POLLING; 2839f1ae32a1SGerd Hoffmann break; 28400846e635SGerd Hoffmann case USB_SPEED_SUPER: 28410846e635SGerd Hoffmann port->portsc |= PORTSC_SPEED_SUPER; 2842b62b0828SGerd Hoffmann port->portsc |= PORTSC_PED; 2843b62b0828SGerd Hoffmann pls = PLS_U0; 28440846e635SGerd Hoffmann break; 2845f1ae32a1SGerd Hoffmann } 2846f1ae32a1SGerd Hoffmann } 2847b62b0828SGerd Hoffmann set_field(&port->portsc, pls, PORTSC_PLS); 28484f47f0f8SGerd Hoffmann trace_usb_xhci_port_link(port->portnr, pls); 2849f705a362SGerd Hoffmann xhci_port_notify(port, PORTSC_CSC); 2850f1ae32a1SGerd Hoffmann } 2851f1ae32a1SGerd Hoffmann 2852dad5b9eaSGerd Hoffmann static void xhci_port_reset(XHCIPort *port, bool warm_reset) 285340030130SGerd Hoffmann { 28544f47f0f8SGerd Hoffmann trace_usb_xhci_port_reset(port->portnr); 28554f47f0f8SGerd Hoffmann 2856b62b0828SGerd Hoffmann if (!xhci_port_have_device(port)) { 2857b62b0828SGerd Hoffmann return; 2858b62b0828SGerd Hoffmann } 2859b62b0828SGerd Hoffmann 286040030130SGerd Hoffmann usb_device_reset(port->uport->dev); 2861b62b0828SGerd Hoffmann 2862b62b0828SGerd Hoffmann switch (port->uport->dev->speed) { 2863dad5b9eaSGerd Hoffmann case USB_SPEED_SUPER: 2864dad5b9eaSGerd Hoffmann if (warm_reset) { 2865dad5b9eaSGerd Hoffmann port->portsc |= PORTSC_WRC; 2866dad5b9eaSGerd Hoffmann } 2867dad5b9eaSGerd Hoffmann /* fall through */ 2868b62b0828SGerd Hoffmann case USB_SPEED_LOW: 2869b62b0828SGerd Hoffmann case USB_SPEED_FULL: 2870b62b0828SGerd Hoffmann case USB_SPEED_HIGH: 2871b62b0828SGerd Hoffmann set_field(&port->portsc, PLS_U0, PORTSC_PLS); 28724f47f0f8SGerd Hoffmann trace_usb_xhci_port_link(port->portnr, PLS_U0); 2873b62b0828SGerd Hoffmann port->portsc |= PORTSC_PED; 2874b62b0828SGerd Hoffmann break; 2875b62b0828SGerd Hoffmann } 2876b62b0828SGerd Hoffmann 2877b62b0828SGerd Hoffmann port->portsc &= ~PORTSC_PR; 2878b62b0828SGerd Hoffmann xhci_port_notify(port, PORTSC_PRC); 287940030130SGerd Hoffmann } 288040030130SGerd Hoffmann 288164619739SJan Kiszka static void xhci_reset(DeviceState *dev) 2882f1ae32a1SGerd Hoffmann { 288337034575SPeter Crosthwaite XHCIState *xhci = XHCI(dev); 2884f1ae32a1SGerd Hoffmann int i; 2885f1ae32a1SGerd Hoffmann 28862d754a10SGerd Hoffmann trace_usb_xhci_reset(); 2887f1ae32a1SGerd Hoffmann if (!(xhci->usbsts & USBSTS_HCH)) { 2888d6bb65fcSGerd Hoffmann DPRINTF("xhci: reset while running!\n"); 2889f1ae32a1SGerd Hoffmann } 2890f1ae32a1SGerd Hoffmann 2891f1ae32a1SGerd Hoffmann xhci->usbcmd = 0; 2892f1ae32a1SGerd Hoffmann xhci->usbsts = USBSTS_HCH; 2893f1ae32a1SGerd Hoffmann xhci->dnctrl = 0; 2894f1ae32a1SGerd Hoffmann xhci->crcr_low = 0; 2895f1ae32a1SGerd Hoffmann xhci->crcr_high = 0; 2896f1ae32a1SGerd Hoffmann xhci->dcbaap_low = 0; 2897f1ae32a1SGerd Hoffmann xhci->dcbaap_high = 0; 2898f1ae32a1SGerd Hoffmann xhci->config = 0; 2899f1ae32a1SGerd Hoffmann 290091062ae0SGerd Hoffmann for (i = 0; i < xhci->numslots; i++) { 2901f1ae32a1SGerd Hoffmann xhci_disable_slot(xhci, i+1); 2902f1ae32a1SGerd Hoffmann } 2903f1ae32a1SGerd Hoffmann 29040846e635SGerd Hoffmann for (i = 0; i < xhci->numports; i++) { 2905f3214027SGerd Hoffmann xhci_port_update(xhci->ports + i, 0); 2906f1ae32a1SGerd Hoffmann } 2907f1ae32a1SGerd Hoffmann 290891062ae0SGerd Hoffmann for (i = 0; i < xhci->numintrs; i++) { 2909962d11e1SGerd Hoffmann xhci->intr[i].iman = 0; 2910962d11e1SGerd Hoffmann xhci->intr[i].imod = 0; 2911962d11e1SGerd Hoffmann xhci->intr[i].erstsz = 0; 2912962d11e1SGerd Hoffmann xhci->intr[i].erstba_low = 0; 2913962d11e1SGerd Hoffmann xhci->intr[i].erstba_high = 0; 2914962d11e1SGerd Hoffmann xhci->intr[i].erdp_low = 0; 2915962d11e1SGerd Hoffmann xhci->intr[i].erdp_high = 0; 2916962d11e1SGerd Hoffmann xhci->intr[i].msix_used = 0; 2917f1ae32a1SGerd Hoffmann 2918962d11e1SGerd Hoffmann xhci->intr[i].er_ep_idx = 0; 2919962d11e1SGerd Hoffmann xhci->intr[i].er_pcs = 1; 2920962d11e1SGerd Hoffmann xhci->intr[i].er_full = 0; 2921962d11e1SGerd Hoffmann xhci->intr[i].ev_buffer_put = 0; 2922962d11e1SGerd Hoffmann xhci->intr[i].ev_buffer_get = 0; 2923962d11e1SGerd Hoffmann } 292401546fa6SGerd Hoffmann 2925bc72ad67SAlex Bligh xhci->mfindex_start = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL); 292601546fa6SGerd Hoffmann xhci_mfwrap_update(xhci); 2927f1ae32a1SGerd Hoffmann } 2928f1ae32a1SGerd Hoffmann 2929a8170e5eSAvi Kivity static uint64_t xhci_cap_read(void *ptr, hwaddr reg, unsigned size) 2930f1ae32a1SGerd Hoffmann { 29311b067564SGerd Hoffmann XHCIState *xhci = ptr; 29322d754a10SGerd Hoffmann uint32_t ret; 2933f1ae32a1SGerd Hoffmann 2934f1ae32a1SGerd Hoffmann switch (reg) { 2935f1ae32a1SGerd Hoffmann case 0x00: /* HCIVERSION, CAPLENGTH */ 29362d754a10SGerd Hoffmann ret = 0x01000000 | LEN_CAP; 29372d754a10SGerd Hoffmann break; 2938f1ae32a1SGerd Hoffmann case 0x04: /* HCSPARAMS 1 */ 29390846e635SGerd Hoffmann ret = ((xhci->numports_2+xhci->numports_3)<<24) 294091062ae0SGerd Hoffmann | (xhci->numintrs<<8) | xhci->numslots; 29412d754a10SGerd Hoffmann break; 2942f1ae32a1SGerd Hoffmann case 0x08: /* HCSPARAMS 2 */ 29432d754a10SGerd Hoffmann ret = 0x0000000f; 29442d754a10SGerd Hoffmann break; 2945f1ae32a1SGerd Hoffmann case 0x0c: /* HCSPARAMS 3 */ 29462d754a10SGerd Hoffmann ret = 0x00000000; 29472d754a10SGerd Hoffmann break; 2948f1ae32a1SGerd Hoffmann case 0x10: /* HCCPARAMS */ 29492d754a10SGerd Hoffmann if (sizeof(dma_addr_t) == 4) { 2950024426acSGerd Hoffmann ret = 0x00087000; 29512d754a10SGerd Hoffmann } else { 2952024426acSGerd Hoffmann ret = 0x00087001; 29532d754a10SGerd Hoffmann } 29542d754a10SGerd Hoffmann break; 2955f1ae32a1SGerd Hoffmann case 0x14: /* DBOFF */ 29562d754a10SGerd Hoffmann ret = OFF_DOORBELL; 29572d754a10SGerd Hoffmann break; 2958f1ae32a1SGerd Hoffmann case 0x18: /* RTSOFF */ 29592d754a10SGerd Hoffmann ret = OFF_RUNTIME; 29602d754a10SGerd Hoffmann break; 2961f1ae32a1SGerd Hoffmann 2962f1ae32a1SGerd Hoffmann /* extended capabilities */ 2963f1ae32a1SGerd Hoffmann case 0x20: /* Supported Protocol:00 */ 29642d754a10SGerd Hoffmann ret = 0x02000402; /* USB 2.0 */ 29652d754a10SGerd Hoffmann break; 2966f1ae32a1SGerd Hoffmann case 0x24: /* Supported Protocol:04 */ 29670ebfb144SGerd Hoffmann ret = 0x20425355; /* "USB " */ 29682d754a10SGerd Hoffmann break; 2969f1ae32a1SGerd Hoffmann case 0x28: /* Supported Protocol:08 */ 29700846e635SGerd Hoffmann ret = 0x00000001 | (xhci->numports_2<<8); 29712d754a10SGerd Hoffmann break; 2972f1ae32a1SGerd Hoffmann case 0x2c: /* Supported Protocol:0c */ 29732d754a10SGerd Hoffmann ret = 0x00000000; /* reserved */ 29742d754a10SGerd Hoffmann break; 2975f1ae32a1SGerd Hoffmann case 0x30: /* Supported Protocol:00 */ 29762d754a10SGerd Hoffmann ret = 0x03000002; /* USB 3.0 */ 29772d754a10SGerd Hoffmann break; 2978f1ae32a1SGerd Hoffmann case 0x34: /* Supported Protocol:04 */ 29790ebfb144SGerd Hoffmann ret = 0x20425355; /* "USB " */ 29802d754a10SGerd Hoffmann break; 2981f1ae32a1SGerd Hoffmann case 0x38: /* Supported Protocol:08 */ 29820846e635SGerd Hoffmann ret = 0x00000000 | (xhci->numports_2+1) | (xhci->numports_3<<8); 29832d754a10SGerd Hoffmann break; 2984f1ae32a1SGerd Hoffmann case 0x3c: /* Supported Protocol:0c */ 29852d754a10SGerd Hoffmann ret = 0x00000000; /* reserved */ 29862d754a10SGerd Hoffmann break; 2987f1ae32a1SGerd Hoffmann default: 29880ab966cfSGerd Hoffmann trace_usb_xhci_unimplemented("cap read", reg); 29892d754a10SGerd Hoffmann ret = 0; 2990f1ae32a1SGerd Hoffmann } 29912d754a10SGerd Hoffmann 29922d754a10SGerd Hoffmann trace_usb_xhci_cap_read(reg, ret); 29932d754a10SGerd Hoffmann return ret; 2994f1ae32a1SGerd Hoffmann } 2995f1ae32a1SGerd Hoffmann 2996a8170e5eSAvi Kivity static uint64_t xhci_port_read(void *ptr, hwaddr reg, unsigned size) 2997f1ae32a1SGerd Hoffmann { 29981d8a4e69SGerd Hoffmann XHCIPort *port = ptr; 29992d754a10SGerd Hoffmann uint32_t ret; 30002d754a10SGerd Hoffmann 30011d8a4e69SGerd Hoffmann switch (reg) { 3002f1ae32a1SGerd Hoffmann case 0x00: /* PORTSC */ 30031d8a4e69SGerd Hoffmann ret = port->portsc; 30042d754a10SGerd Hoffmann break; 3005f1ae32a1SGerd Hoffmann case 0x04: /* PORTPMSC */ 3006f1ae32a1SGerd Hoffmann case 0x08: /* PORTLI */ 30072d754a10SGerd Hoffmann ret = 0; 30082d754a10SGerd Hoffmann break; 3009f1ae32a1SGerd Hoffmann case 0x0c: /* reserved */ 3010f1ae32a1SGerd Hoffmann default: 30110ab966cfSGerd Hoffmann trace_usb_xhci_unimplemented("port read", reg); 30122d754a10SGerd Hoffmann ret = 0; 3013f1ae32a1SGerd Hoffmann } 30142d754a10SGerd Hoffmann 30151d8a4e69SGerd Hoffmann trace_usb_xhci_port_read(port->portnr, reg, ret); 30162d754a10SGerd Hoffmann return ret; 3017f1ae32a1SGerd Hoffmann } 3018f1ae32a1SGerd Hoffmann 3019a8170e5eSAvi Kivity static void xhci_port_write(void *ptr, hwaddr reg, 30201d8a4e69SGerd Hoffmann uint64_t val, unsigned size) 3021f1ae32a1SGerd Hoffmann { 30221d8a4e69SGerd Hoffmann XHCIPort *port = ptr; 3023bdfce20dSGerd Hoffmann uint32_t portsc, notify; 3024f1ae32a1SGerd Hoffmann 30251d8a4e69SGerd Hoffmann trace_usb_xhci_port_write(port->portnr, reg, val); 30262d754a10SGerd Hoffmann 30271d8a4e69SGerd Hoffmann switch (reg) { 3028f1ae32a1SGerd Hoffmann case 0x00: /* PORTSC */ 3029bdfce20dSGerd Hoffmann /* write-1-to-start bits */ 3030dad5b9eaSGerd Hoffmann if (val & PORTSC_WPR) { 3031dad5b9eaSGerd Hoffmann xhci_port_reset(port, true); 3032dad5b9eaSGerd Hoffmann break; 3033dad5b9eaSGerd Hoffmann } 3034bdfce20dSGerd Hoffmann if (val & PORTSC_PR) { 3035dad5b9eaSGerd Hoffmann xhci_port_reset(port, false); 3036bdfce20dSGerd Hoffmann break; 3037bdfce20dSGerd Hoffmann } 3038bdfce20dSGerd Hoffmann 30391d8a4e69SGerd Hoffmann portsc = port->portsc; 3040bdfce20dSGerd Hoffmann notify = 0; 3041f1ae32a1SGerd Hoffmann /* write-1-to-clear bits*/ 3042f1ae32a1SGerd Hoffmann portsc &= ~(val & (PORTSC_CSC|PORTSC_PEC|PORTSC_WRC|PORTSC_OCC| 3043f1ae32a1SGerd Hoffmann PORTSC_PRC|PORTSC_PLC|PORTSC_CEC)); 3044f1ae32a1SGerd Hoffmann if (val & PORTSC_LWS) { 3045f1ae32a1SGerd Hoffmann /* overwrite PLS only when LWS=1 */ 3046bdfce20dSGerd Hoffmann uint32_t old_pls = get_field(port->portsc, PORTSC_PLS); 3047bdfce20dSGerd Hoffmann uint32_t new_pls = get_field(val, PORTSC_PLS); 3048bdfce20dSGerd Hoffmann switch (new_pls) { 3049bdfce20dSGerd Hoffmann case PLS_U0: 3050bdfce20dSGerd Hoffmann if (old_pls != PLS_U0) { 3051bdfce20dSGerd Hoffmann set_field(&portsc, new_pls, PORTSC_PLS); 3052bdfce20dSGerd Hoffmann trace_usb_xhci_port_link(port->portnr, new_pls); 3053bdfce20dSGerd Hoffmann notify = PORTSC_PLC; 3054bdfce20dSGerd Hoffmann } 3055bdfce20dSGerd Hoffmann break; 3056bdfce20dSGerd Hoffmann case PLS_U3: 3057bdfce20dSGerd Hoffmann if (old_pls < PLS_U3) { 3058bdfce20dSGerd Hoffmann set_field(&portsc, new_pls, PORTSC_PLS); 3059bdfce20dSGerd Hoffmann trace_usb_xhci_port_link(port->portnr, new_pls); 3060bdfce20dSGerd Hoffmann } 3061bdfce20dSGerd Hoffmann break; 3062bdfce20dSGerd Hoffmann case PLS_RESUME: 3063bdfce20dSGerd Hoffmann /* windows does this for some reason, don't spam stderr */ 3064bdfce20dSGerd Hoffmann break; 3065bdfce20dSGerd Hoffmann default: 3066d6bb65fcSGerd Hoffmann DPRINTF("%s: ignore pls write (old %d, new %d)\n", 3067bdfce20dSGerd Hoffmann __func__, old_pls, new_pls); 3068bdfce20dSGerd Hoffmann break; 3069bdfce20dSGerd Hoffmann } 3070f1ae32a1SGerd Hoffmann } 3071f1ae32a1SGerd Hoffmann /* read/write bits */ 3072f1ae32a1SGerd Hoffmann portsc &= ~(PORTSC_PP|PORTSC_WCE|PORTSC_WDE|PORTSC_WOE); 3073f1ae32a1SGerd Hoffmann portsc |= (val & (PORTSC_PP|PORTSC_WCE|PORTSC_WDE|PORTSC_WOE)); 307440030130SGerd Hoffmann port->portsc = portsc; 3075bdfce20dSGerd Hoffmann if (notify) { 3076bdfce20dSGerd Hoffmann xhci_port_notify(port, notify); 3077f1ae32a1SGerd Hoffmann } 3078f1ae32a1SGerd Hoffmann break; 3079f1ae32a1SGerd Hoffmann case 0x04: /* PORTPMSC */ 3080f1ae32a1SGerd Hoffmann case 0x08: /* PORTLI */ 3081f1ae32a1SGerd Hoffmann default: 30820ab966cfSGerd Hoffmann trace_usb_xhci_unimplemented("port write", reg); 3083f1ae32a1SGerd Hoffmann } 3084f1ae32a1SGerd Hoffmann } 3085f1ae32a1SGerd Hoffmann 3086a8170e5eSAvi Kivity static uint64_t xhci_oper_read(void *ptr, hwaddr reg, unsigned size) 3087f1ae32a1SGerd Hoffmann { 30881b067564SGerd Hoffmann XHCIState *xhci = ptr; 30892d754a10SGerd Hoffmann uint32_t ret; 3090f1ae32a1SGerd Hoffmann 3091f1ae32a1SGerd Hoffmann switch (reg) { 3092f1ae32a1SGerd Hoffmann case 0x00: /* USBCMD */ 30932d754a10SGerd Hoffmann ret = xhci->usbcmd; 30942d754a10SGerd Hoffmann break; 3095f1ae32a1SGerd Hoffmann case 0x04: /* USBSTS */ 30962d754a10SGerd Hoffmann ret = xhci->usbsts; 30972d754a10SGerd Hoffmann break; 3098f1ae32a1SGerd Hoffmann case 0x08: /* PAGESIZE */ 30992d754a10SGerd Hoffmann ret = 1; /* 4KiB */ 31002d754a10SGerd Hoffmann break; 3101f1ae32a1SGerd Hoffmann case 0x14: /* DNCTRL */ 31022d754a10SGerd Hoffmann ret = xhci->dnctrl; 31032d754a10SGerd Hoffmann break; 3104f1ae32a1SGerd Hoffmann case 0x18: /* CRCR low */ 31052d754a10SGerd Hoffmann ret = xhci->crcr_low & ~0xe; 31062d754a10SGerd Hoffmann break; 3107f1ae32a1SGerd Hoffmann case 0x1c: /* CRCR high */ 31082d754a10SGerd Hoffmann ret = xhci->crcr_high; 31092d754a10SGerd Hoffmann break; 3110f1ae32a1SGerd Hoffmann case 0x30: /* DCBAAP low */ 31112d754a10SGerd Hoffmann ret = xhci->dcbaap_low; 31122d754a10SGerd Hoffmann break; 3113f1ae32a1SGerd Hoffmann case 0x34: /* DCBAAP high */ 31142d754a10SGerd Hoffmann ret = xhci->dcbaap_high; 31152d754a10SGerd Hoffmann break; 3116f1ae32a1SGerd Hoffmann case 0x38: /* CONFIG */ 31172d754a10SGerd Hoffmann ret = xhci->config; 31182d754a10SGerd Hoffmann break; 3119f1ae32a1SGerd Hoffmann default: 31200ab966cfSGerd Hoffmann trace_usb_xhci_unimplemented("oper read", reg); 31212d754a10SGerd Hoffmann ret = 0; 3122f1ae32a1SGerd Hoffmann } 31232d754a10SGerd Hoffmann 31242d754a10SGerd Hoffmann trace_usb_xhci_oper_read(reg, ret); 31252d754a10SGerd Hoffmann return ret; 3126f1ae32a1SGerd Hoffmann } 3127f1ae32a1SGerd Hoffmann 3128a8170e5eSAvi Kivity static void xhci_oper_write(void *ptr, hwaddr reg, 31291b067564SGerd Hoffmann uint64_t val, unsigned size) 3130f1ae32a1SGerd Hoffmann { 31311b067564SGerd Hoffmann XHCIState *xhci = ptr; 313237034575SPeter Crosthwaite DeviceState *d = DEVICE(ptr); 31331b067564SGerd Hoffmann 31342d754a10SGerd Hoffmann trace_usb_xhci_oper_write(reg, val); 31352d754a10SGerd Hoffmann 3136f1ae32a1SGerd Hoffmann switch (reg) { 3137f1ae32a1SGerd Hoffmann case 0x00: /* USBCMD */ 3138f1ae32a1SGerd Hoffmann if ((val & USBCMD_RS) && !(xhci->usbcmd & USBCMD_RS)) { 3139f1ae32a1SGerd Hoffmann xhci_run(xhci); 3140f1ae32a1SGerd Hoffmann } else if (!(val & USBCMD_RS) && (xhci->usbcmd & USBCMD_RS)) { 3141f1ae32a1SGerd Hoffmann xhci_stop(xhci); 3142f1ae32a1SGerd Hoffmann } 3143f1f8bc21SGerd Hoffmann if (val & USBCMD_CSS) { 3144f1f8bc21SGerd Hoffmann /* save state */ 3145f1f8bc21SGerd Hoffmann xhci->usbsts &= ~USBSTS_SRE; 3146f1f8bc21SGerd Hoffmann } 3147f1f8bc21SGerd Hoffmann if (val & USBCMD_CRS) { 3148f1f8bc21SGerd Hoffmann /* restore state */ 3149f1f8bc21SGerd Hoffmann xhci->usbsts |= USBSTS_SRE; 3150f1f8bc21SGerd Hoffmann } 3151f1ae32a1SGerd Hoffmann xhci->usbcmd = val & 0xc0f; 315201546fa6SGerd Hoffmann xhci_mfwrap_update(xhci); 3153f1ae32a1SGerd Hoffmann if (val & USBCMD_HCRST) { 315437034575SPeter Crosthwaite xhci_reset(d); 3155f1ae32a1SGerd Hoffmann } 31564c4abe7cSGerd Hoffmann xhci_intx_update(xhci); 3157f1ae32a1SGerd Hoffmann break; 3158f1ae32a1SGerd Hoffmann 3159f1ae32a1SGerd Hoffmann case 0x04: /* USBSTS */ 3160f1ae32a1SGerd Hoffmann /* these bits are write-1-to-clear */ 3161f1ae32a1SGerd Hoffmann xhci->usbsts &= ~(val & (USBSTS_HSE|USBSTS_EINT|USBSTS_PCD|USBSTS_SRE)); 31624c4abe7cSGerd Hoffmann xhci_intx_update(xhci); 3163f1ae32a1SGerd Hoffmann break; 3164f1ae32a1SGerd Hoffmann 3165f1ae32a1SGerd Hoffmann case 0x14: /* DNCTRL */ 3166f1ae32a1SGerd Hoffmann xhci->dnctrl = val & 0xffff; 3167f1ae32a1SGerd Hoffmann break; 3168f1ae32a1SGerd Hoffmann case 0x18: /* CRCR low */ 3169f1ae32a1SGerd Hoffmann xhci->crcr_low = (val & 0xffffffcf) | (xhci->crcr_low & CRCR_CRR); 3170f1ae32a1SGerd Hoffmann break; 3171f1ae32a1SGerd Hoffmann case 0x1c: /* CRCR high */ 3172f1ae32a1SGerd Hoffmann xhci->crcr_high = val; 3173f1ae32a1SGerd Hoffmann if (xhci->crcr_low & (CRCR_CA|CRCR_CS) && (xhci->crcr_low & CRCR_CRR)) { 3174f1ae32a1SGerd Hoffmann XHCIEvent event = {ER_COMMAND_COMPLETE, CC_COMMAND_RING_STOPPED}; 3175f1ae32a1SGerd Hoffmann xhci->crcr_low &= ~CRCR_CRR; 31762d1de850SGerd Hoffmann xhci_event(xhci, &event, 0); 3177f1ae32a1SGerd Hoffmann DPRINTF("xhci: command ring stopped (CRCR=%08x)\n", xhci->crcr_low); 3178f1ae32a1SGerd Hoffmann } else { 317959a70ccdSDavid Gibson dma_addr_t base = xhci_addr64(xhci->crcr_low & ~0x3f, val); 3180f1ae32a1SGerd Hoffmann xhci_ring_init(xhci, &xhci->cmd_ring, base); 3181f1ae32a1SGerd Hoffmann } 3182f1ae32a1SGerd Hoffmann xhci->crcr_low &= ~(CRCR_CA | CRCR_CS); 3183f1ae32a1SGerd Hoffmann break; 3184f1ae32a1SGerd Hoffmann case 0x30: /* DCBAAP low */ 3185f1ae32a1SGerd Hoffmann xhci->dcbaap_low = val & 0xffffffc0; 3186f1ae32a1SGerd Hoffmann break; 3187f1ae32a1SGerd Hoffmann case 0x34: /* DCBAAP high */ 3188f1ae32a1SGerd Hoffmann xhci->dcbaap_high = val; 3189f1ae32a1SGerd Hoffmann break; 3190f1ae32a1SGerd Hoffmann case 0x38: /* CONFIG */ 3191f1ae32a1SGerd Hoffmann xhci->config = val & 0xff; 3192f1ae32a1SGerd Hoffmann break; 3193f1ae32a1SGerd Hoffmann default: 31940ab966cfSGerd Hoffmann trace_usb_xhci_unimplemented("oper write", reg); 3195f1ae32a1SGerd Hoffmann } 3196f1ae32a1SGerd Hoffmann } 3197f1ae32a1SGerd Hoffmann 3198a8170e5eSAvi Kivity static uint64_t xhci_runtime_read(void *ptr, hwaddr reg, 31991b067564SGerd Hoffmann unsigned size) 3200f1ae32a1SGerd Hoffmann { 32011b067564SGerd Hoffmann XHCIState *xhci = ptr; 320243d9d604SGerd Hoffmann uint32_t ret = 0; 3203f1ae32a1SGerd Hoffmann 320443d9d604SGerd Hoffmann if (reg < 0x20) { 3205f1ae32a1SGerd Hoffmann switch (reg) { 3206f1ae32a1SGerd Hoffmann case 0x00: /* MFINDEX */ 320701546fa6SGerd Hoffmann ret = xhci_mfindex_get(xhci) & 0x3fff; 32082d754a10SGerd Hoffmann break; 3209f1ae32a1SGerd Hoffmann default: 32100ab966cfSGerd Hoffmann trace_usb_xhci_unimplemented("runtime read", reg); 321143d9d604SGerd Hoffmann break; 321243d9d604SGerd Hoffmann } 321343d9d604SGerd Hoffmann } else { 321443d9d604SGerd Hoffmann int v = (reg - 0x20) / 0x20; 321543d9d604SGerd Hoffmann XHCIInterrupter *intr = &xhci->intr[v]; 321643d9d604SGerd Hoffmann switch (reg & 0x1f) { 321743d9d604SGerd Hoffmann case 0x00: /* IMAN */ 321843d9d604SGerd Hoffmann ret = intr->iman; 321943d9d604SGerd Hoffmann break; 322043d9d604SGerd Hoffmann case 0x04: /* IMOD */ 322143d9d604SGerd Hoffmann ret = intr->imod; 322243d9d604SGerd Hoffmann break; 322343d9d604SGerd Hoffmann case 0x08: /* ERSTSZ */ 322443d9d604SGerd Hoffmann ret = intr->erstsz; 322543d9d604SGerd Hoffmann break; 322643d9d604SGerd Hoffmann case 0x10: /* ERSTBA low */ 322743d9d604SGerd Hoffmann ret = intr->erstba_low; 322843d9d604SGerd Hoffmann break; 322943d9d604SGerd Hoffmann case 0x14: /* ERSTBA high */ 323043d9d604SGerd Hoffmann ret = intr->erstba_high; 323143d9d604SGerd Hoffmann break; 323243d9d604SGerd Hoffmann case 0x18: /* ERDP low */ 323343d9d604SGerd Hoffmann ret = intr->erdp_low; 323443d9d604SGerd Hoffmann break; 323543d9d604SGerd Hoffmann case 0x1c: /* ERDP high */ 323643d9d604SGerd Hoffmann ret = intr->erdp_high; 323743d9d604SGerd Hoffmann break; 323843d9d604SGerd Hoffmann } 3239f1ae32a1SGerd Hoffmann } 32402d754a10SGerd Hoffmann 32412d754a10SGerd Hoffmann trace_usb_xhci_runtime_read(reg, ret); 32422d754a10SGerd Hoffmann return ret; 3243f1ae32a1SGerd Hoffmann } 3244f1ae32a1SGerd Hoffmann 3245a8170e5eSAvi Kivity static void xhci_runtime_write(void *ptr, hwaddr reg, 32461b067564SGerd Hoffmann uint64_t val, unsigned size) 3247f1ae32a1SGerd Hoffmann { 32481b067564SGerd Hoffmann XHCIState *xhci = ptr; 324943d9d604SGerd Hoffmann int v = (reg - 0x20) / 0x20; 325043d9d604SGerd Hoffmann XHCIInterrupter *intr = &xhci->intr[v]; 32518e9f18b6SGerd Hoffmann trace_usb_xhci_runtime_write(reg, val); 3252f1ae32a1SGerd Hoffmann 325343d9d604SGerd Hoffmann if (reg < 0x20) { 32540ab966cfSGerd Hoffmann trace_usb_xhci_unimplemented("runtime write", reg); 325543d9d604SGerd Hoffmann return; 325643d9d604SGerd Hoffmann } 325743d9d604SGerd Hoffmann 325843d9d604SGerd Hoffmann switch (reg & 0x1f) { 325943d9d604SGerd Hoffmann case 0x00: /* IMAN */ 3260f1ae32a1SGerd Hoffmann if (val & IMAN_IP) { 3261962d11e1SGerd Hoffmann intr->iman &= ~IMAN_IP; 3262f1ae32a1SGerd Hoffmann } 3263962d11e1SGerd Hoffmann intr->iman &= ~IMAN_IE; 3264962d11e1SGerd Hoffmann intr->iman |= val & IMAN_IE; 326543d9d604SGerd Hoffmann if (v == 0) { 32664c4abe7cSGerd Hoffmann xhci_intx_update(xhci); 326743d9d604SGerd Hoffmann } 326843d9d604SGerd Hoffmann xhci_msix_update(xhci, v); 3269f1ae32a1SGerd Hoffmann break; 327043d9d604SGerd Hoffmann case 0x04: /* IMOD */ 3271962d11e1SGerd Hoffmann intr->imod = val; 3272f1ae32a1SGerd Hoffmann break; 327343d9d604SGerd Hoffmann case 0x08: /* ERSTSZ */ 3274962d11e1SGerd Hoffmann intr->erstsz = val & 0xffff; 3275f1ae32a1SGerd Hoffmann break; 327643d9d604SGerd Hoffmann case 0x10: /* ERSTBA low */ 3277f1ae32a1SGerd Hoffmann /* XXX NEC driver bug: it doesn't align this to 64 bytes 3278962d11e1SGerd Hoffmann intr->erstba_low = val & 0xffffffc0; */ 3279962d11e1SGerd Hoffmann intr->erstba_low = val & 0xfffffff0; 3280f1ae32a1SGerd Hoffmann break; 328143d9d604SGerd Hoffmann case 0x14: /* ERSTBA high */ 3282962d11e1SGerd Hoffmann intr->erstba_high = val; 328343d9d604SGerd Hoffmann xhci_er_reset(xhci, v); 3284f1ae32a1SGerd Hoffmann break; 328543d9d604SGerd Hoffmann case 0x18: /* ERDP low */ 3286f1ae32a1SGerd Hoffmann if (val & ERDP_EHB) { 3287962d11e1SGerd Hoffmann intr->erdp_low &= ~ERDP_EHB; 3288f1ae32a1SGerd Hoffmann } 3289962d11e1SGerd Hoffmann intr->erdp_low = (val & ~ERDP_EHB) | (intr->erdp_low & ERDP_EHB); 3290f1ae32a1SGerd Hoffmann break; 329143d9d604SGerd Hoffmann case 0x1c: /* ERDP high */ 3292962d11e1SGerd Hoffmann intr->erdp_high = val; 329343d9d604SGerd Hoffmann xhci_events_update(xhci, v); 3294f1ae32a1SGerd Hoffmann break; 3295f1ae32a1SGerd Hoffmann default: 32960ab966cfSGerd Hoffmann trace_usb_xhci_unimplemented("oper write", reg); 3297f1ae32a1SGerd Hoffmann } 3298f1ae32a1SGerd Hoffmann } 3299f1ae32a1SGerd Hoffmann 3300a8170e5eSAvi Kivity static uint64_t xhci_doorbell_read(void *ptr, hwaddr reg, 33011b067564SGerd Hoffmann unsigned size) 3302f1ae32a1SGerd Hoffmann { 3303f1ae32a1SGerd Hoffmann /* doorbells always read as 0 */ 33042d754a10SGerd Hoffmann trace_usb_xhci_doorbell_read(reg, 0); 3305f1ae32a1SGerd Hoffmann return 0; 3306f1ae32a1SGerd Hoffmann } 3307f1ae32a1SGerd Hoffmann 3308a8170e5eSAvi Kivity static void xhci_doorbell_write(void *ptr, hwaddr reg, 33091b067564SGerd Hoffmann uint64_t val, unsigned size) 3310f1ae32a1SGerd Hoffmann { 33111b067564SGerd Hoffmann XHCIState *xhci = ptr; 3312024426acSGerd Hoffmann unsigned int epid, streamid; 33131b067564SGerd Hoffmann 33142d754a10SGerd Hoffmann trace_usb_xhci_doorbell_write(reg, val); 3315f1ae32a1SGerd Hoffmann 3316f1ae32a1SGerd Hoffmann if (!xhci_running(xhci)) { 3317d6bb65fcSGerd Hoffmann DPRINTF("xhci: wrote doorbell while xHC stopped or paused\n"); 3318f1ae32a1SGerd Hoffmann return; 3319f1ae32a1SGerd Hoffmann } 3320f1ae32a1SGerd Hoffmann 3321f1ae32a1SGerd Hoffmann reg >>= 2; 3322f1ae32a1SGerd Hoffmann 3323f1ae32a1SGerd Hoffmann if (reg == 0) { 3324f1ae32a1SGerd Hoffmann if (val == 0) { 3325f1ae32a1SGerd Hoffmann xhci_process_commands(xhci); 3326f1ae32a1SGerd Hoffmann } else { 3327d6bb65fcSGerd Hoffmann DPRINTF("xhci: bad doorbell 0 write: 0x%x\n", 33281b067564SGerd Hoffmann (uint32_t)val); 3329f1ae32a1SGerd Hoffmann } 3330f1ae32a1SGerd Hoffmann } else { 3331024426acSGerd Hoffmann epid = val & 0xff; 3332024426acSGerd Hoffmann streamid = (val >> 16) & 0xffff; 333391062ae0SGerd Hoffmann if (reg > xhci->numslots) { 3334d6bb65fcSGerd Hoffmann DPRINTF("xhci: bad doorbell %d\n", (int)reg); 3335024426acSGerd Hoffmann } else if (epid > 31) { 3336d6bb65fcSGerd Hoffmann DPRINTF("xhci: bad doorbell %d write: 0x%x\n", 33371b067564SGerd Hoffmann (int)reg, (uint32_t)val); 3338f1ae32a1SGerd Hoffmann } else { 3339024426acSGerd Hoffmann xhci_kick_ep(xhci, reg, epid, streamid); 3340f1ae32a1SGerd Hoffmann } 3341f1ae32a1SGerd Hoffmann } 3342f1ae32a1SGerd Hoffmann } 3343f1ae32a1SGerd Hoffmann 33446d3bc22eSGerd Hoffmann static void xhci_cap_write(void *opaque, hwaddr addr, uint64_t val, 33456d3bc22eSGerd Hoffmann unsigned width) 33466d3bc22eSGerd Hoffmann { 33476d3bc22eSGerd Hoffmann /* nothing */ 33486d3bc22eSGerd Hoffmann } 33496d3bc22eSGerd Hoffmann 33501b067564SGerd Hoffmann static const MemoryRegionOps xhci_cap_ops = { 33511b067564SGerd Hoffmann .read = xhci_cap_read, 33526d3bc22eSGerd Hoffmann .write = xhci_cap_write, 33536ee021d4SGerd Hoffmann .valid.min_access_size = 1, 33541b067564SGerd Hoffmann .valid.max_access_size = 4, 33556ee021d4SGerd Hoffmann .impl.min_access_size = 4, 33566ee021d4SGerd Hoffmann .impl.max_access_size = 4, 33571b067564SGerd Hoffmann .endianness = DEVICE_LITTLE_ENDIAN, 33581b067564SGerd Hoffmann }; 3359f1ae32a1SGerd Hoffmann 33601b067564SGerd Hoffmann static const MemoryRegionOps xhci_oper_ops = { 33611b067564SGerd Hoffmann .read = xhci_oper_read, 33621b067564SGerd Hoffmann .write = xhci_oper_write, 33631b067564SGerd Hoffmann .valid.min_access_size = 4, 33641b067564SGerd Hoffmann .valid.max_access_size = 4, 33651b067564SGerd Hoffmann .endianness = DEVICE_LITTLE_ENDIAN, 33661b067564SGerd Hoffmann }; 3367f1ae32a1SGerd Hoffmann 33681d8a4e69SGerd Hoffmann static const MemoryRegionOps xhci_port_ops = { 33691d8a4e69SGerd Hoffmann .read = xhci_port_read, 33701d8a4e69SGerd Hoffmann .write = xhci_port_write, 33711d8a4e69SGerd Hoffmann .valid.min_access_size = 4, 33721d8a4e69SGerd Hoffmann .valid.max_access_size = 4, 33731d8a4e69SGerd Hoffmann .endianness = DEVICE_LITTLE_ENDIAN, 33741d8a4e69SGerd Hoffmann }; 33751d8a4e69SGerd Hoffmann 33761b067564SGerd Hoffmann static const MemoryRegionOps xhci_runtime_ops = { 33771b067564SGerd Hoffmann .read = xhci_runtime_read, 33781b067564SGerd Hoffmann .write = xhci_runtime_write, 33791b067564SGerd Hoffmann .valid.min_access_size = 4, 33801b067564SGerd Hoffmann .valid.max_access_size = 4, 33811b067564SGerd Hoffmann .endianness = DEVICE_LITTLE_ENDIAN, 33821b067564SGerd Hoffmann }; 3383f1ae32a1SGerd Hoffmann 33841b067564SGerd Hoffmann static const MemoryRegionOps xhci_doorbell_ops = { 33851b067564SGerd Hoffmann .read = xhci_doorbell_read, 33861b067564SGerd Hoffmann .write = xhci_doorbell_write, 3387f1ae32a1SGerd Hoffmann .valid.min_access_size = 4, 3388f1ae32a1SGerd Hoffmann .valid.max_access_size = 4, 3389f1ae32a1SGerd Hoffmann .endianness = DEVICE_LITTLE_ENDIAN, 3390f1ae32a1SGerd Hoffmann }; 3391f1ae32a1SGerd Hoffmann 3392f1ae32a1SGerd Hoffmann static void xhci_attach(USBPort *usbport) 3393f1ae32a1SGerd Hoffmann { 3394f1ae32a1SGerd Hoffmann XHCIState *xhci = usbport->opaque; 33950846e635SGerd Hoffmann XHCIPort *port = xhci_lookup_port(xhci, usbport); 3396f1ae32a1SGerd Hoffmann 3397f3214027SGerd Hoffmann xhci_port_update(port, 0); 3398f1ae32a1SGerd Hoffmann } 3399f1ae32a1SGerd Hoffmann 3400f1ae32a1SGerd Hoffmann static void xhci_detach(USBPort *usbport) 3401f1ae32a1SGerd Hoffmann { 3402f1ae32a1SGerd Hoffmann XHCIState *xhci = usbport->opaque; 34030846e635SGerd Hoffmann XHCIPort *port = xhci_lookup_port(xhci, usbport); 3404f1ae32a1SGerd Hoffmann 3405f3dcf638SGerd Hoffmann xhci_detach_slot(xhci, usbport); 3406f3214027SGerd Hoffmann xhci_port_update(port, 1); 3407f1ae32a1SGerd Hoffmann } 3408f1ae32a1SGerd Hoffmann 3409f1ae32a1SGerd Hoffmann static void xhci_wakeup(USBPort *usbport) 3410f1ae32a1SGerd Hoffmann { 3411f1ae32a1SGerd Hoffmann XHCIState *xhci = usbport->opaque; 34120846e635SGerd Hoffmann XHCIPort *port = xhci_lookup_port(xhci, usbport); 3413f1ae32a1SGerd Hoffmann 341485e05d82SGerd Hoffmann if (get_field(port->portsc, PORTSC_PLS) != PLS_U3) { 3415f1ae32a1SGerd Hoffmann return; 3416f1ae32a1SGerd Hoffmann } 341785e05d82SGerd Hoffmann set_field(&port->portsc, PLS_RESUME, PORTSC_PLS); 3418f705a362SGerd Hoffmann xhci_port_notify(port, PORTSC_PLC); 3419f1ae32a1SGerd Hoffmann } 3420f1ae32a1SGerd Hoffmann 3421f1ae32a1SGerd Hoffmann static void xhci_complete(USBPort *port, USBPacket *packet) 3422f1ae32a1SGerd Hoffmann { 3423f1ae32a1SGerd Hoffmann XHCITransfer *xfer = container_of(packet, XHCITransfer, packet); 3424f1ae32a1SGerd Hoffmann 34259a77a0f5SHans de Goede if (packet->status == USB_RET_REMOVE_FROM_QUEUE) { 3426582d6f4aSHans de Goede xhci_ep_nuke_one_xfer(xfer, 0); 34270cae7b1aSHans de Goede return; 34280cae7b1aSHans de Goede } 34299a77a0f5SHans de Goede xhci_complete_packet(xfer); 3430024426acSGerd Hoffmann xhci_kick_ep(xfer->xhci, xfer->slotid, xfer->epid, xfer->streamid); 3431f1ae32a1SGerd Hoffmann } 3432f1ae32a1SGerd Hoffmann 3433ccaf87a0SGerd Hoffmann static void xhci_child_detach(USBPort *uport, USBDevice *child) 3434f1ae32a1SGerd Hoffmann { 3435ccaf87a0SGerd Hoffmann USBBus *bus = usb_bus_from_device(child); 3436ccaf87a0SGerd Hoffmann XHCIState *xhci = container_of(bus, XHCIState, bus); 3437ccaf87a0SGerd Hoffmann 3438463c534dSGerd Hoffmann xhci_detach_slot(xhci, child->port); 3439f1ae32a1SGerd Hoffmann } 3440f1ae32a1SGerd Hoffmann 34411d8a4e69SGerd Hoffmann static USBPortOps xhci_uport_ops = { 3442f1ae32a1SGerd Hoffmann .attach = xhci_attach, 3443f1ae32a1SGerd Hoffmann .detach = xhci_detach, 3444f1ae32a1SGerd Hoffmann .wakeup = xhci_wakeup, 3445f1ae32a1SGerd Hoffmann .complete = xhci_complete, 3446f1ae32a1SGerd Hoffmann .child_detach = xhci_child_detach, 3447f1ae32a1SGerd Hoffmann }; 3448f1ae32a1SGerd Hoffmann 3449f1ae32a1SGerd Hoffmann static int xhci_find_epid(USBEndpoint *ep) 3450f1ae32a1SGerd Hoffmann { 3451f1ae32a1SGerd Hoffmann if (ep->nr == 0) { 3452f1ae32a1SGerd Hoffmann return 1; 3453f1ae32a1SGerd Hoffmann } 3454f1ae32a1SGerd Hoffmann if (ep->pid == USB_TOKEN_IN) { 3455f1ae32a1SGerd Hoffmann return ep->nr * 2 + 1; 3456f1ae32a1SGerd Hoffmann } else { 3457f1ae32a1SGerd Hoffmann return ep->nr * 2; 3458f1ae32a1SGerd Hoffmann } 3459f1ae32a1SGerd Hoffmann } 3460f1ae32a1SGerd Hoffmann 3461518ad5f2SHans de Goede static USBEndpoint *xhci_epid_to_usbep(XHCIState *xhci, 3462518ad5f2SHans de Goede unsigned int slotid, unsigned int epid) 3463518ad5f2SHans de Goede { 3464518ad5f2SHans de Goede assert(slotid >= 1 && slotid <= xhci->numslots); 3465518ad5f2SHans de Goede 3466518ad5f2SHans de Goede if (!xhci->slots[slotid - 1].uport) { 3467518ad5f2SHans de Goede return NULL; 3468518ad5f2SHans de Goede } 3469518ad5f2SHans de Goede 3470518ad5f2SHans de Goede return usb_ep_get(xhci->slots[slotid - 1].uport->dev, 3471518ad5f2SHans de Goede (epid & 1) ? USB_TOKEN_IN : USB_TOKEN_OUT, epid >> 1); 3472518ad5f2SHans de Goede } 3473518ad5f2SHans de Goede 34748550a02dSGerd Hoffmann static void xhci_wakeup_endpoint(USBBus *bus, USBEndpoint *ep, 34758550a02dSGerd Hoffmann unsigned int stream) 3476f1ae32a1SGerd Hoffmann { 3477f1ae32a1SGerd Hoffmann XHCIState *xhci = container_of(bus, XHCIState, bus); 3478f1ae32a1SGerd Hoffmann int slotid; 3479f1ae32a1SGerd Hoffmann 3480f1ae32a1SGerd Hoffmann DPRINTF("%s\n", __func__); 3481af203be3SGerd Hoffmann slotid = ep->dev->addr; 3482f1ae32a1SGerd Hoffmann if (slotid == 0 || !xhci->slots[slotid-1].enabled) { 3483f1ae32a1SGerd Hoffmann DPRINTF("%s: oops, no slot for dev %d\n", __func__, ep->dev->addr); 3484f1ae32a1SGerd Hoffmann return; 3485f1ae32a1SGerd Hoffmann } 3486024426acSGerd Hoffmann xhci_kick_ep(xhci, slotid, xhci_find_epid(ep), stream); 3487f1ae32a1SGerd Hoffmann } 3488f1ae32a1SGerd Hoffmann 3489f1ae32a1SGerd Hoffmann static USBBusOps xhci_bus_ops = { 3490f1ae32a1SGerd Hoffmann .wakeup_endpoint = xhci_wakeup_endpoint, 3491f1ae32a1SGerd Hoffmann }; 3492f1ae32a1SGerd Hoffmann 349337034575SPeter Crosthwaite static void usb_xhci_init(XHCIState *xhci) 3494f1ae32a1SGerd Hoffmann { 349537034575SPeter Crosthwaite DeviceState *dev = DEVICE(xhci); 34960846e635SGerd Hoffmann XHCIPort *port; 34970846e635SGerd Hoffmann int i, usbports, speedmask; 3498f1ae32a1SGerd Hoffmann 3499f1ae32a1SGerd Hoffmann xhci->usbsts = USBSTS_HCH; 3500f1ae32a1SGerd Hoffmann 35010846e635SGerd Hoffmann if (xhci->numports_2 > MAXPORTS_2) { 35020846e635SGerd Hoffmann xhci->numports_2 = MAXPORTS_2; 35030846e635SGerd Hoffmann } 35040846e635SGerd Hoffmann if (xhci->numports_3 > MAXPORTS_3) { 35050846e635SGerd Hoffmann xhci->numports_3 = MAXPORTS_3; 35060846e635SGerd Hoffmann } 35070846e635SGerd Hoffmann usbports = MAX(xhci->numports_2, xhci->numports_3); 35080846e635SGerd Hoffmann xhci->numports = xhci->numports_2 + xhci->numports_3; 35090846e635SGerd Hoffmann 3510c889b3a5SAndreas Färber usb_bus_new(&xhci->bus, sizeof(xhci->bus), &xhci_bus_ops, dev); 3511f1ae32a1SGerd Hoffmann 35120846e635SGerd Hoffmann for (i = 0; i < usbports; i++) { 35130846e635SGerd Hoffmann speedmask = 0; 35140846e635SGerd Hoffmann if (i < xhci->numports_2) { 35150846e635SGerd Hoffmann port = &xhci->ports[i]; 35160846e635SGerd Hoffmann port->portnr = i + 1; 35170846e635SGerd Hoffmann port->uport = &xhci->uports[i]; 35180846e635SGerd Hoffmann port->speedmask = 3519f1ae32a1SGerd Hoffmann USB_SPEED_MASK_LOW | 3520f1ae32a1SGerd Hoffmann USB_SPEED_MASK_FULL | 35210846e635SGerd Hoffmann USB_SPEED_MASK_HIGH; 35221d8a4e69SGerd Hoffmann snprintf(port->name, sizeof(port->name), "usb2 port #%d", i+1); 35230846e635SGerd Hoffmann speedmask |= port->speedmask; 3524f1ae32a1SGerd Hoffmann } 35250846e635SGerd Hoffmann if (i < xhci->numports_3) { 35260846e635SGerd Hoffmann port = &xhci->ports[i + xhci->numports_2]; 35270846e635SGerd Hoffmann port->portnr = i + 1 + xhci->numports_2; 35280846e635SGerd Hoffmann port->uport = &xhci->uports[i]; 35290846e635SGerd Hoffmann port->speedmask = USB_SPEED_MASK_SUPER; 35301d8a4e69SGerd Hoffmann snprintf(port->name, sizeof(port->name), "usb3 port #%d", i+1); 35310846e635SGerd Hoffmann speedmask |= port->speedmask; 35320846e635SGerd Hoffmann } 35330846e635SGerd Hoffmann usb_register_port(&xhci->bus, &xhci->uports[i], xhci, i, 35341d8a4e69SGerd Hoffmann &xhci_uport_ops, speedmask); 3535f1ae32a1SGerd Hoffmann } 3536f1ae32a1SGerd Hoffmann } 3537f1ae32a1SGerd Hoffmann 3538f1ae32a1SGerd Hoffmann static int usb_xhci_initfn(struct PCIDevice *dev) 3539f1ae32a1SGerd Hoffmann { 35401d8a4e69SGerd Hoffmann int i, ret; 3541f1ae32a1SGerd Hoffmann 354237034575SPeter Crosthwaite XHCIState *xhci = XHCI(dev); 3543f1ae32a1SGerd Hoffmann 35449b7d3334SAndreas Färber dev->config[PCI_CLASS_PROG] = 0x30; /* xHCI */ 35459b7d3334SAndreas Färber dev->config[PCI_INTERRUPT_PIN] = 0x01; /* interrupt pin 1 */ 35469b7d3334SAndreas Färber dev->config[PCI_CACHE_LINE_SIZE] = 0x10; 35479b7d3334SAndreas Färber dev->config[0x60] = 0x30; /* release number */ 3548f1ae32a1SGerd Hoffmann 354937034575SPeter Crosthwaite usb_xhci_init(xhci); 3550f1ae32a1SGerd Hoffmann 355191062ae0SGerd Hoffmann if (xhci->numintrs > MAXINTRS) { 355291062ae0SGerd Hoffmann xhci->numintrs = MAXINTRS; 355391062ae0SGerd Hoffmann } 3554c94a7c69SGerd Hoffmann while (xhci->numintrs & (xhci->numintrs - 1)) { /* ! power of 2 */ 3555c94a7c69SGerd Hoffmann xhci->numintrs++; 3556c94a7c69SGerd Hoffmann } 355791062ae0SGerd Hoffmann if (xhci->numintrs < 1) { 355891062ae0SGerd Hoffmann xhci->numintrs = 1; 355991062ae0SGerd Hoffmann } 356091062ae0SGerd Hoffmann if (xhci->numslots > MAXSLOTS) { 356191062ae0SGerd Hoffmann xhci->numslots = MAXSLOTS; 356291062ae0SGerd Hoffmann } 356391062ae0SGerd Hoffmann if (xhci->numslots < 1) { 356491062ae0SGerd Hoffmann xhci->numslots = 1; 356591062ae0SGerd Hoffmann } 356691062ae0SGerd Hoffmann 3567bc72ad67SAlex Bligh xhci->mfwrap_timer = timer_new_ns(QEMU_CLOCK_VIRTUAL, xhci_mfwrap_timer, xhci); 356801546fa6SGerd Hoffmann 356922fc860bSPaolo Bonzini memory_region_init(&xhci->mem, OBJECT(xhci), "xhci", LEN_REGS); 357022fc860bSPaolo Bonzini memory_region_init_io(&xhci->mem_cap, OBJECT(xhci), &xhci_cap_ops, xhci, 35711b067564SGerd Hoffmann "capabilities", LEN_CAP); 357222fc860bSPaolo Bonzini memory_region_init_io(&xhci->mem_oper, OBJECT(xhci), &xhci_oper_ops, xhci, 35731d8a4e69SGerd Hoffmann "operational", 0x400); 357422fc860bSPaolo Bonzini memory_region_init_io(&xhci->mem_runtime, OBJECT(xhci), &xhci_runtime_ops, xhci, 35751b067564SGerd Hoffmann "runtime", LEN_RUNTIME); 357622fc860bSPaolo Bonzini memory_region_init_io(&xhci->mem_doorbell, OBJECT(xhci), &xhci_doorbell_ops, xhci, 35771b067564SGerd Hoffmann "doorbell", LEN_DOORBELL); 35781b067564SGerd Hoffmann 35791b067564SGerd Hoffmann memory_region_add_subregion(&xhci->mem, 0, &xhci->mem_cap); 35801b067564SGerd Hoffmann memory_region_add_subregion(&xhci->mem, OFF_OPER, &xhci->mem_oper); 35811b067564SGerd Hoffmann memory_region_add_subregion(&xhci->mem, OFF_RUNTIME, &xhci->mem_runtime); 35821b067564SGerd Hoffmann memory_region_add_subregion(&xhci->mem, OFF_DOORBELL, &xhci->mem_doorbell); 35831b067564SGerd Hoffmann 35841d8a4e69SGerd Hoffmann for (i = 0; i < xhci->numports; i++) { 35851d8a4e69SGerd Hoffmann XHCIPort *port = &xhci->ports[i]; 35861d8a4e69SGerd Hoffmann uint32_t offset = OFF_OPER + 0x400 + 0x10 * i; 35871d8a4e69SGerd Hoffmann port->xhci = xhci; 358822fc860bSPaolo Bonzini memory_region_init_io(&port->mem, OBJECT(xhci), &xhci_port_ops, port, 35891d8a4e69SGerd Hoffmann port->name, 0x10); 35901d8a4e69SGerd Hoffmann memory_region_add_subregion(&xhci->mem, offset, &port->mem); 35911d8a4e69SGerd Hoffmann } 35921d8a4e69SGerd Hoffmann 35939b7d3334SAndreas Färber pci_register_bar(dev, 0, 3594f1ae32a1SGerd Hoffmann PCI_BASE_ADDRESS_SPACE_MEMORY|PCI_BASE_ADDRESS_MEM_TYPE_64, 3595f1ae32a1SGerd Hoffmann &xhci->mem); 3596f1ae32a1SGerd Hoffmann 3597*058fdcf5SGerd Hoffmann if (pci_bus_is_express(dev->bus)) { 35989b7d3334SAndreas Färber ret = pcie_endpoint_cap_init(dev, 0xa0); 3599f1ae32a1SGerd Hoffmann assert(ret >= 0); 3600*058fdcf5SGerd Hoffmann } 3601f1ae32a1SGerd Hoffmann 3602c5e9b02dSGerd Hoffmann if (xhci->flags & (1 << XHCI_FLAG_USE_MSI)) { 36039b7d3334SAndreas Färber msi_init(dev, 0x70, xhci->numintrs, true, false); 3604f1ae32a1SGerd Hoffmann } 36054c47f800SGerd Hoffmann if (xhci->flags & (1 << XHCI_FLAG_USE_MSI_X)) { 36069b7d3334SAndreas Färber msix_init(dev, xhci->numintrs, 36074c47f800SGerd Hoffmann &xhci->mem, 0, OFF_MSIX_TABLE, 36084c47f800SGerd Hoffmann &xhci->mem, 0, OFF_MSIX_PBA, 36094c47f800SGerd Hoffmann 0x90); 36104c47f800SGerd Hoffmann } 3611f1ae32a1SGerd Hoffmann 3612f1ae32a1SGerd Hoffmann return 0; 3613f1ae32a1SGerd Hoffmann } 3614f1ae32a1SGerd Hoffmann 361537352df3SGerd Hoffmann static int usb_xhci_post_load(void *opaque, int version_id) 361637352df3SGerd Hoffmann { 361737352df3SGerd Hoffmann XHCIState *xhci = opaque; 36189b7d3334SAndreas Färber PCIDevice *pci_dev = PCI_DEVICE(xhci); 361937352df3SGerd Hoffmann XHCISlot *slot; 362037352df3SGerd Hoffmann XHCIEPContext *epctx; 362137352df3SGerd Hoffmann dma_addr_t dcbaap, pctx; 362237352df3SGerd Hoffmann uint32_t slot_ctx[4]; 362337352df3SGerd Hoffmann uint32_t ep_ctx[5]; 362437352df3SGerd Hoffmann int slotid, epid, state, intr; 362537352df3SGerd Hoffmann 362637352df3SGerd Hoffmann dcbaap = xhci_addr64(xhci->dcbaap_low, xhci->dcbaap_high); 362737352df3SGerd Hoffmann 362837352df3SGerd Hoffmann for (slotid = 1; slotid <= xhci->numslots; slotid++) { 362937352df3SGerd Hoffmann slot = &xhci->slots[slotid-1]; 363037352df3SGerd Hoffmann if (!slot->addressed) { 363137352df3SGerd Hoffmann continue; 363237352df3SGerd Hoffmann } 363337352df3SGerd Hoffmann slot->ctx = 36349b7d3334SAndreas Färber xhci_mask64(ldq_le_pci_dma(pci_dev, dcbaap + 8 * slotid)); 363537352df3SGerd Hoffmann xhci_dma_read_u32s(xhci, slot->ctx, slot_ctx, sizeof(slot_ctx)); 363637352df3SGerd Hoffmann slot->uport = xhci_lookup_uport(xhci, slot_ctx); 363737352df3SGerd Hoffmann assert(slot->uport && slot->uport->dev); 363837352df3SGerd Hoffmann 3639f6969b9fSGerd Hoffmann for (epid = 1; epid <= 31; epid++) { 364037352df3SGerd Hoffmann pctx = slot->ctx + 32 * epid; 364137352df3SGerd Hoffmann xhci_dma_read_u32s(xhci, pctx, ep_ctx, sizeof(ep_ctx)); 364237352df3SGerd Hoffmann state = ep_ctx[0] & EP_STATE_MASK; 364337352df3SGerd Hoffmann if (state == EP_DISABLED) { 364437352df3SGerd Hoffmann continue; 364537352df3SGerd Hoffmann } 364637352df3SGerd Hoffmann epctx = xhci_alloc_epctx(xhci, slotid, epid); 364737352df3SGerd Hoffmann slot->eps[epid-1] = epctx; 364837352df3SGerd Hoffmann xhci_init_epctx(epctx, pctx, ep_ctx); 364937352df3SGerd Hoffmann epctx->state = state; 365037352df3SGerd Hoffmann if (state == EP_RUNNING) { 365137352df3SGerd Hoffmann /* kick endpoint after vmload is finished */ 3652bc72ad67SAlex Bligh timer_mod(epctx->kick_timer, qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL)); 365337352df3SGerd Hoffmann } 365437352df3SGerd Hoffmann } 365537352df3SGerd Hoffmann } 365637352df3SGerd Hoffmann 365737352df3SGerd Hoffmann for (intr = 0; intr < xhci->numintrs; intr++) { 365837352df3SGerd Hoffmann if (xhci->intr[intr].msix_used) { 36599b7d3334SAndreas Färber msix_vector_use(pci_dev, intr); 366037352df3SGerd Hoffmann } else { 36619b7d3334SAndreas Färber msix_vector_unuse(pci_dev, intr); 366237352df3SGerd Hoffmann } 366337352df3SGerd Hoffmann } 366437352df3SGerd Hoffmann 366537352df3SGerd Hoffmann return 0; 366637352df3SGerd Hoffmann } 366737352df3SGerd Hoffmann 366837352df3SGerd Hoffmann static const VMStateDescription vmstate_xhci_ring = { 366937352df3SGerd Hoffmann .name = "xhci-ring", 367037352df3SGerd Hoffmann .version_id = 1, 367137352df3SGerd Hoffmann .fields = (VMStateField[]) { 367237352df3SGerd Hoffmann VMSTATE_UINT64(dequeue, XHCIRing), 367337352df3SGerd Hoffmann VMSTATE_BOOL(ccs, XHCIRing), 367437352df3SGerd Hoffmann VMSTATE_END_OF_LIST() 367537352df3SGerd Hoffmann } 367637352df3SGerd Hoffmann }; 367737352df3SGerd Hoffmann 367837352df3SGerd Hoffmann static const VMStateDescription vmstate_xhci_port = { 367937352df3SGerd Hoffmann .name = "xhci-port", 368037352df3SGerd Hoffmann .version_id = 1, 368137352df3SGerd Hoffmann .fields = (VMStateField[]) { 368237352df3SGerd Hoffmann VMSTATE_UINT32(portsc, XHCIPort), 368337352df3SGerd Hoffmann VMSTATE_END_OF_LIST() 368437352df3SGerd Hoffmann } 368537352df3SGerd Hoffmann }; 368637352df3SGerd Hoffmann 368737352df3SGerd Hoffmann static const VMStateDescription vmstate_xhci_slot = { 368837352df3SGerd Hoffmann .name = "xhci-slot", 368937352df3SGerd Hoffmann .version_id = 1, 369037352df3SGerd Hoffmann .fields = (VMStateField[]) { 369137352df3SGerd Hoffmann VMSTATE_BOOL(enabled, XHCISlot), 369237352df3SGerd Hoffmann VMSTATE_BOOL(addressed, XHCISlot), 369337352df3SGerd Hoffmann VMSTATE_END_OF_LIST() 369437352df3SGerd Hoffmann } 369537352df3SGerd Hoffmann }; 369637352df3SGerd Hoffmann 369737352df3SGerd Hoffmann static const VMStateDescription vmstate_xhci_event = { 369837352df3SGerd Hoffmann .name = "xhci-event", 369937352df3SGerd Hoffmann .version_id = 1, 370037352df3SGerd Hoffmann .fields = (VMStateField[]) { 370137352df3SGerd Hoffmann VMSTATE_UINT32(type, XHCIEvent), 370237352df3SGerd Hoffmann VMSTATE_UINT32(ccode, XHCIEvent), 370337352df3SGerd Hoffmann VMSTATE_UINT64(ptr, XHCIEvent), 370437352df3SGerd Hoffmann VMSTATE_UINT32(length, XHCIEvent), 370537352df3SGerd Hoffmann VMSTATE_UINT32(flags, XHCIEvent), 370637352df3SGerd Hoffmann VMSTATE_UINT8(slotid, XHCIEvent), 370737352df3SGerd Hoffmann VMSTATE_UINT8(epid, XHCIEvent), 370837352df3SGerd Hoffmann } 370937352df3SGerd Hoffmann }; 371037352df3SGerd Hoffmann 371137352df3SGerd Hoffmann static bool xhci_er_full(void *opaque, int version_id) 371237352df3SGerd Hoffmann { 371337352df3SGerd Hoffmann struct XHCIInterrupter *intr = opaque; 371437352df3SGerd Hoffmann return intr->er_full; 371537352df3SGerd Hoffmann } 371637352df3SGerd Hoffmann 371737352df3SGerd Hoffmann static const VMStateDescription vmstate_xhci_intr = { 371837352df3SGerd Hoffmann .name = "xhci-intr", 371937352df3SGerd Hoffmann .version_id = 1, 372037352df3SGerd Hoffmann .fields = (VMStateField[]) { 372137352df3SGerd Hoffmann /* registers */ 372237352df3SGerd Hoffmann VMSTATE_UINT32(iman, XHCIInterrupter), 372337352df3SGerd Hoffmann VMSTATE_UINT32(imod, XHCIInterrupter), 372437352df3SGerd Hoffmann VMSTATE_UINT32(erstsz, XHCIInterrupter), 372537352df3SGerd Hoffmann VMSTATE_UINT32(erstba_low, XHCIInterrupter), 372637352df3SGerd Hoffmann VMSTATE_UINT32(erstba_high, XHCIInterrupter), 372737352df3SGerd Hoffmann VMSTATE_UINT32(erdp_low, XHCIInterrupter), 372837352df3SGerd Hoffmann VMSTATE_UINT32(erdp_high, XHCIInterrupter), 372937352df3SGerd Hoffmann 373037352df3SGerd Hoffmann /* state */ 373137352df3SGerd Hoffmann VMSTATE_BOOL(msix_used, XHCIInterrupter), 373237352df3SGerd Hoffmann VMSTATE_BOOL(er_pcs, XHCIInterrupter), 373337352df3SGerd Hoffmann VMSTATE_UINT64(er_start, XHCIInterrupter), 373437352df3SGerd Hoffmann VMSTATE_UINT32(er_size, XHCIInterrupter), 373537352df3SGerd Hoffmann VMSTATE_UINT32(er_ep_idx, XHCIInterrupter), 373637352df3SGerd Hoffmann 373737352df3SGerd Hoffmann /* event queue (used if ring is full) */ 373837352df3SGerd Hoffmann VMSTATE_BOOL(er_full, XHCIInterrupter), 373937352df3SGerd Hoffmann VMSTATE_UINT32_TEST(ev_buffer_put, XHCIInterrupter, xhci_er_full), 374037352df3SGerd Hoffmann VMSTATE_UINT32_TEST(ev_buffer_get, XHCIInterrupter, xhci_er_full), 374137352df3SGerd Hoffmann VMSTATE_STRUCT_ARRAY_TEST(ev_buffer, XHCIInterrupter, EV_QUEUE, 374237352df3SGerd Hoffmann xhci_er_full, 1, 374337352df3SGerd Hoffmann vmstate_xhci_event, XHCIEvent), 374437352df3SGerd Hoffmann 374537352df3SGerd Hoffmann VMSTATE_END_OF_LIST() 374637352df3SGerd Hoffmann } 374737352df3SGerd Hoffmann }; 374837352df3SGerd Hoffmann 3749f1ae32a1SGerd Hoffmann static const VMStateDescription vmstate_xhci = { 3750f1ae32a1SGerd Hoffmann .name = "xhci", 375137352df3SGerd Hoffmann .version_id = 1, 375237352df3SGerd Hoffmann .post_load = usb_xhci_post_load, 375337352df3SGerd Hoffmann .fields = (VMStateField[]) { 37549b7d3334SAndreas Färber VMSTATE_PCIE_DEVICE(parent_obj, XHCIState), 37559b7d3334SAndreas Färber VMSTATE_MSIX(parent_obj, XHCIState), 375637352df3SGerd Hoffmann 375737352df3SGerd Hoffmann VMSTATE_STRUCT_VARRAY_UINT32(ports, XHCIState, numports, 1, 375837352df3SGerd Hoffmann vmstate_xhci_port, XHCIPort), 375937352df3SGerd Hoffmann VMSTATE_STRUCT_VARRAY_UINT32(slots, XHCIState, numslots, 1, 376037352df3SGerd Hoffmann vmstate_xhci_slot, XHCISlot), 376137352df3SGerd Hoffmann VMSTATE_STRUCT_VARRAY_UINT32(intr, XHCIState, numintrs, 1, 376237352df3SGerd Hoffmann vmstate_xhci_intr, XHCIInterrupter), 376337352df3SGerd Hoffmann 376437352df3SGerd Hoffmann /* Operational Registers */ 376537352df3SGerd Hoffmann VMSTATE_UINT32(usbcmd, XHCIState), 376637352df3SGerd Hoffmann VMSTATE_UINT32(usbsts, XHCIState), 376737352df3SGerd Hoffmann VMSTATE_UINT32(dnctrl, XHCIState), 376837352df3SGerd Hoffmann VMSTATE_UINT32(crcr_low, XHCIState), 376937352df3SGerd Hoffmann VMSTATE_UINT32(crcr_high, XHCIState), 377037352df3SGerd Hoffmann VMSTATE_UINT32(dcbaap_low, XHCIState), 377137352df3SGerd Hoffmann VMSTATE_UINT32(dcbaap_high, XHCIState), 377237352df3SGerd Hoffmann VMSTATE_UINT32(config, XHCIState), 377337352df3SGerd Hoffmann 377437352df3SGerd Hoffmann /* Runtime Registers & state */ 377537352df3SGerd Hoffmann VMSTATE_INT64(mfindex_start, XHCIState), 377637352df3SGerd Hoffmann VMSTATE_TIMER(mfwrap_timer, XHCIState), 377737352df3SGerd Hoffmann VMSTATE_STRUCT(cmd_ring, XHCIState, 1, vmstate_xhci_ring, XHCIRing), 377837352df3SGerd Hoffmann 377937352df3SGerd Hoffmann VMSTATE_END_OF_LIST() 378037352df3SGerd Hoffmann } 3781f1ae32a1SGerd Hoffmann }; 3782f1ae32a1SGerd Hoffmann 3783f1ae32a1SGerd Hoffmann static Property xhci_properties[] = { 3784c5e9b02dSGerd Hoffmann DEFINE_PROP_BIT("msi", XHCIState, flags, XHCI_FLAG_USE_MSI, true), 37854c47f800SGerd Hoffmann DEFINE_PROP_BIT("msix", XHCIState, flags, XHCI_FLAG_USE_MSI_X, true), 378691062ae0SGerd Hoffmann DEFINE_PROP_UINT32("intrs", XHCIState, numintrs, MAXINTRS), 378791062ae0SGerd Hoffmann DEFINE_PROP_UINT32("slots", XHCIState, numslots, MAXSLOTS), 37880846e635SGerd Hoffmann DEFINE_PROP_UINT32("p2", XHCIState, numports_2, 4), 37890846e635SGerd Hoffmann DEFINE_PROP_UINT32("p3", XHCIState, numports_3, 4), 3790f1ae32a1SGerd Hoffmann DEFINE_PROP_END_OF_LIST(), 3791f1ae32a1SGerd Hoffmann }; 3792f1ae32a1SGerd Hoffmann 3793f1ae32a1SGerd Hoffmann static void xhci_class_init(ObjectClass *klass, void *data) 3794f1ae32a1SGerd Hoffmann { 3795f1ae32a1SGerd Hoffmann PCIDeviceClass *k = PCI_DEVICE_CLASS(klass); 3796f1ae32a1SGerd Hoffmann DeviceClass *dc = DEVICE_CLASS(klass); 3797f1ae32a1SGerd Hoffmann 3798f1ae32a1SGerd Hoffmann dc->vmsd = &vmstate_xhci; 3799f1ae32a1SGerd Hoffmann dc->props = xhci_properties; 380064619739SJan Kiszka dc->reset = xhci_reset; 38012897ae02SIgor Mammedov dc->hotpluggable = false; 3802125ee0edSMarcel Apfelbaum set_bit(DEVICE_CATEGORY_USB, dc->categories); 3803f1ae32a1SGerd Hoffmann k->init = usb_xhci_initfn; 3804f1ae32a1SGerd Hoffmann k->vendor_id = PCI_VENDOR_ID_NEC; 3805f1ae32a1SGerd Hoffmann k->device_id = PCI_DEVICE_ID_NEC_UPD720200; 3806f1ae32a1SGerd Hoffmann k->class_id = PCI_CLASS_SERIAL_USB; 3807f1ae32a1SGerd Hoffmann k->revision = 0x03; 3808f1ae32a1SGerd Hoffmann k->is_express = 1; 3809f1ae32a1SGerd Hoffmann } 3810f1ae32a1SGerd Hoffmann 38118c43a6f0SAndreas Färber static const TypeInfo xhci_info = { 381237034575SPeter Crosthwaite .name = TYPE_XHCI, 3813f1ae32a1SGerd Hoffmann .parent = TYPE_PCI_DEVICE, 3814f1ae32a1SGerd Hoffmann .instance_size = sizeof(XHCIState), 3815f1ae32a1SGerd Hoffmann .class_init = xhci_class_init, 3816f1ae32a1SGerd Hoffmann }; 3817f1ae32a1SGerd Hoffmann 3818f1ae32a1SGerd Hoffmann static void xhci_register_types(void) 3819f1ae32a1SGerd Hoffmann { 3820f1ae32a1SGerd Hoffmann type_register_static(&xhci_info); 3821f1ae32a1SGerd Hoffmann } 3822f1ae32a1SGerd Hoffmann 3823f1ae32a1SGerd Hoffmann type_init(xhci_register_types) 3824