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" 22f1ae32a1SGerd Hoffmann #include "qemu-timer.h" 23f1ae32a1SGerd Hoffmann #include "hw/usb.h" 24f1ae32a1SGerd Hoffmann #include "hw/pci.h" 25f1ae32a1SGerd Hoffmann #include "hw/msi.h" 264c47f800SGerd Hoffmann #include "hw/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 37f1ae32a1SGerd Hoffmann #define FIXME() do { fprintf(stderr, "FIXME %s:%d\n", \ 38f1ae32a1SGerd Hoffmann __func__, __LINE__); 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 149f1ae32a1SGerd Hoffmann 150f1ae32a1SGerd Hoffmann typedef enum TRBType { 151f1ae32a1SGerd Hoffmann TRB_RESERVED = 0, 152f1ae32a1SGerd Hoffmann TR_NORMAL, 153f1ae32a1SGerd Hoffmann TR_SETUP, 154f1ae32a1SGerd Hoffmann TR_DATA, 155f1ae32a1SGerd Hoffmann TR_STATUS, 156f1ae32a1SGerd Hoffmann TR_ISOCH, 157f1ae32a1SGerd Hoffmann TR_LINK, 158f1ae32a1SGerd Hoffmann TR_EVDATA, 159f1ae32a1SGerd Hoffmann TR_NOOP, 160f1ae32a1SGerd Hoffmann CR_ENABLE_SLOT, 161f1ae32a1SGerd Hoffmann CR_DISABLE_SLOT, 162f1ae32a1SGerd Hoffmann CR_ADDRESS_DEVICE, 163f1ae32a1SGerd Hoffmann CR_CONFIGURE_ENDPOINT, 164f1ae32a1SGerd Hoffmann CR_EVALUATE_CONTEXT, 165f1ae32a1SGerd Hoffmann CR_RESET_ENDPOINT, 166f1ae32a1SGerd Hoffmann CR_STOP_ENDPOINT, 167f1ae32a1SGerd Hoffmann CR_SET_TR_DEQUEUE, 168f1ae32a1SGerd Hoffmann CR_RESET_DEVICE, 169f1ae32a1SGerd Hoffmann CR_FORCE_EVENT, 170f1ae32a1SGerd Hoffmann CR_NEGOTIATE_BW, 171f1ae32a1SGerd Hoffmann CR_SET_LATENCY_TOLERANCE, 172f1ae32a1SGerd Hoffmann CR_GET_PORT_BANDWIDTH, 173f1ae32a1SGerd Hoffmann CR_FORCE_HEADER, 174f1ae32a1SGerd Hoffmann CR_NOOP, 175f1ae32a1SGerd Hoffmann ER_TRANSFER = 32, 176f1ae32a1SGerd Hoffmann ER_COMMAND_COMPLETE, 177f1ae32a1SGerd Hoffmann ER_PORT_STATUS_CHANGE, 178f1ae32a1SGerd Hoffmann ER_BANDWIDTH_REQUEST, 179f1ae32a1SGerd Hoffmann ER_DOORBELL, 180f1ae32a1SGerd Hoffmann ER_HOST_CONTROLLER, 181f1ae32a1SGerd Hoffmann ER_DEVICE_NOTIFICATION, 182f1ae32a1SGerd Hoffmann ER_MFINDEX_WRAP, 183f1ae32a1SGerd Hoffmann /* vendor specific bits */ 184f1ae32a1SGerd Hoffmann CR_VENDOR_VIA_CHALLENGE_RESPONSE = 48, 185f1ae32a1SGerd Hoffmann CR_VENDOR_NEC_FIRMWARE_REVISION = 49, 186f1ae32a1SGerd Hoffmann CR_VENDOR_NEC_CHALLENGE_RESPONSE = 50, 187f1ae32a1SGerd Hoffmann } TRBType; 188f1ae32a1SGerd Hoffmann 189f1ae32a1SGerd Hoffmann #define CR_LINK TR_LINK 190f1ae32a1SGerd Hoffmann 191f1ae32a1SGerd Hoffmann typedef enum TRBCCode { 192f1ae32a1SGerd Hoffmann CC_INVALID = 0, 193f1ae32a1SGerd Hoffmann CC_SUCCESS, 194f1ae32a1SGerd Hoffmann CC_DATA_BUFFER_ERROR, 195f1ae32a1SGerd Hoffmann CC_BABBLE_DETECTED, 196f1ae32a1SGerd Hoffmann CC_USB_TRANSACTION_ERROR, 197f1ae32a1SGerd Hoffmann CC_TRB_ERROR, 198f1ae32a1SGerd Hoffmann CC_STALL_ERROR, 199f1ae32a1SGerd Hoffmann CC_RESOURCE_ERROR, 200f1ae32a1SGerd Hoffmann CC_BANDWIDTH_ERROR, 201f1ae32a1SGerd Hoffmann CC_NO_SLOTS_ERROR, 202f1ae32a1SGerd Hoffmann CC_INVALID_STREAM_TYPE_ERROR, 203f1ae32a1SGerd Hoffmann CC_SLOT_NOT_ENABLED_ERROR, 204f1ae32a1SGerd Hoffmann CC_EP_NOT_ENABLED_ERROR, 205f1ae32a1SGerd Hoffmann CC_SHORT_PACKET, 206f1ae32a1SGerd Hoffmann CC_RING_UNDERRUN, 207f1ae32a1SGerd Hoffmann CC_RING_OVERRUN, 208f1ae32a1SGerd Hoffmann CC_VF_ER_FULL, 209f1ae32a1SGerd Hoffmann CC_PARAMETER_ERROR, 210f1ae32a1SGerd Hoffmann CC_BANDWIDTH_OVERRUN, 211f1ae32a1SGerd Hoffmann CC_CONTEXT_STATE_ERROR, 212f1ae32a1SGerd Hoffmann CC_NO_PING_RESPONSE_ERROR, 213f1ae32a1SGerd Hoffmann CC_EVENT_RING_FULL_ERROR, 214f1ae32a1SGerd Hoffmann CC_INCOMPATIBLE_DEVICE_ERROR, 215f1ae32a1SGerd Hoffmann CC_MISSED_SERVICE_ERROR, 216f1ae32a1SGerd Hoffmann CC_COMMAND_RING_STOPPED, 217f1ae32a1SGerd Hoffmann CC_COMMAND_ABORTED, 218f1ae32a1SGerd Hoffmann CC_STOPPED, 219f1ae32a1SGerd Hoffmann CC_STOPPED_LENGTH_INVALID, 220f1ae32a1SGerd Hoffmann CC_MAX_EXIT_LATENCY_TOO_LARGE_ERROR = 29, 221f1ae32a1SGerd Hoffmann CC_ISOCH_BUFFER_OVERRUN = 31, 222f1ae32a1SGerd Hoffmann CC_EVENT_LOST_ERROR, 223f1ae32a1SGerd Hoffmann CC_UNDEFINED_ERROR, 224f1ae32a1SGerd Hoffmann CC_INVALID_STREAM_ID_ERROR, 225f1ae32a1SGerd Hoffmann CC_SECONDARY_BANDWIDTH_ERROR, 226f1ae32a1SGerd Hoffmann CC_SPLIT_TRANSACTION_ERROR 227f1ae32a1SGerd Hoffmann } TRBCCode; 228f1ae32a1SGerd Hoffmann 229f1ae32a1SGerd Hoffmann #define TRB_C (1<<0) 230f1ae32a1SGerd Hoffmann #define TRB_TYPE_SHIFT 10 231f1ae32a1SGerd Hoffmann #define TRB_TYPE_MASK 0x3f 232f1ae32a1SGerd Hoffmann #define TRB_TYPE(t) (((t).control >> TRB_TYPE_SHIFT) & TRB_TYPE_MASK) 233f1ae32a1SGerd Hoffmann 234f1ae32a1SGerd Hoffmann #define TRB_EV_ED (1<<2) 235f1ae32a1SGerd Hoffmann 236f1ae32a1SGerd Hoffmann #define TRB_TR_ENT (1<<1) 237f1ae32a1SGerd Hoffmann #define TRB_TR_ISP (1<<2) 238f1ae32a1SGerd Hoffmann #define TRB_TR_NS (1<<3) 239f1ae32a1SGerd Hoffmann #define TRB_TR_CH (1<<4) 240f1ae32a1SGerd Hoffmann #define TRB_TR_IOC (1<<5) 241f1ae32a1SGerd Hoffmann #define TRB_TR_IDT (1<<6) 242f1ae32a1SGerd Hoffmann #define TRB_TR_TBC_SHIFT 7 243f1ae32a1SGerd Hoffmann #define TRB_TR_TBC_MASK 0x3 244f1ae32a1SGerd Hoffmann #define TRB_TR_BEI (1<<9) 245f1ae32a1SGerd Hoffmann #define TRB_TR_TLBPC_SHIFT 16 246f1ae32a1SGerd Hoffmann #define TRB_TR_TLBPC_MASK 0xf 247f1ae32a1SGerd Hoffmann #define TRB_TR_FRAMEID_SHIFT 20 248f1ae32a1SGerd Hoffmann #define TRB_TR_FRAMEID_MASK 0x7ff 249f1ae32a1SGerd Hoffmann #define TRB_TR_SIA (1<<31) 250f1ae32a1SGerd Hoffmann 251f1ae32a1SGerd Hoffmann #define TRB_TR_DIR (1<<16) 252f1ae32a1SGerd Hoffmann 253f1ae32a1SGerd Hoffmann #define TRB_CR_SLOTID_SHIFT 24 254f1ae32a1SGerd Hoffmann #define TRB_CR_SLOTID_MASK 0xff 255f1ae32a1SGerd Hoffmann #define TRB_CR_EPID_SHIFT 16 256f1ae32a1SGerd Hoffmann #define TRB_CR_EPID_MASK 0x1f 257f1ae32a1SGerd Hoffmann 258f1ae32a1SGerd Hoffmann #define TRB_CR_BSR (1<<9) 259f1ae32a1SGerd Hoffmann #define TRB_CR_DC (1<<9) 260f1ae32a1SGerd Hoffmann 261f1ae32a1SGerd Hoffmann #define TRB_LK_TC (1<<1) 262f1ae32a1SGerd Hoffmann 2632d1de850SGerd Hoffmann #define TRB_INTR_SHIFT 22 2642d1de850SGerd Hoffmann #define TRB_INTR_MASK 0x3ff 2652d1de850SGerd Hoffmann #define TRB_INTR(t) (((t).status >> TRB_INTR_SHIFT) & TRB_INTR_MASK) 2662d1de850SGerd Hoffmann 267f1ae32a1SGerd Hoffmann #define EP_TYPE_MASK 0x7 268f1ae32a1SGerd Hoffmann #define EP_TYPE_SHIFT 3 269f1ae32a1SGerd Hoffmann 270f1ae32a1SGerd Hoffmann #define EP_STATE_MASK 0x7 271f1ae32a1SGerd Hoffmann #define EP_DISABLED (0<<0) 272f1ae32a1SGerd Hoffmann #define EP_RUNNING (1<<0) 273f1ae32a1SGerd Hoffmann #define EP_HALTED (2<<0) 274f1ae32a1SGerd Hoffmann #define EP_STOPPED (3<<0) 275f1ae32a1SGerd Hoffmann #define EP_ERROR (4<<0) 276f1ae32a1SGerd Hoffmann 277f1ae32a1SGerd Hoffmann #define SLOT_STATE_MASK 0x1f 278f1ae32a1SGerd Hoffmann #define SLOT_STATE_SHIFT 27 279f1ae32a1SGerd Hoffmann #define SLOT_STATE(s) (((s)>>SLOT_STATE_SHIFT)&SLOT_STATE_MASK) 280f1ae32a1SGerd Hoffmann #define SLOT_ENABLED 0 281f1ae32a1SGerd Hoffmann #define SLOT_DEFAULT 1 282f1ae32a1SGerd Hoffmann #define SLOT_ADDRESSED 2 283f1ae32a1SGerd Hoffmann #define SLOT_CONFIGURED 3 284f1ae32a1SGerd Hoffmann 285f1ae32a1SGerd Hoffmann #define SLOT_CONTEXT_ENTRIES_MASK 0x1f 286f1ae32a1SGerd Hoffmann #define SLOT_CONTEXT_ENTRIES_SHIFT 27 287f1ae32a1SGerd Hoffmann 2881d8a4e69SGerd Hoffmann typedef struct XHCIState XHCIState; 2891d8a4e69SGerd Hoffmann 290f1ae32a1SGerd Hoffmann typedef enum EPType { 291f1ae32a1SGerd Hoffmann ET_INVALID = 0, 292f1ae32a1SGerd Hoffmann ET_ISO_OUT, 293f1ae32a1SGerd Hoffmann ET_BULK_OUT, 294f1ae32a1SGerd Hoffmann ET_INTR_OUT, 295f1ae32a1SGerd Hoffmann ET_CONTROL, 296f1ae32a1SGerd Hoffmann ET_ISO_IN, 297f1ae32a1SGerd Hoffmann ET_BULK_IN, 298f1ae32a1SGerd Hoffmann ET_INTR_IN, 299f1ae32a1SGerd Hoffmann } EPType; 300f1ae32a1SGerd Hoffmann 301f1ae32a1SGerd Hoffmann typedef struct XHCIRing { 30259a70ccdSDavid Gibson dma_addr_t base; 30359a70ccdSDavid Gibson dma_addr_t dequeue; 304f1ae32a1SGerd Hoffmann bool ccs; 305f1ae32a1SGerd Hoffmann } XHCIRing; 306f1ae32a1SGerd Hoffmann 307f1ae32a1SGerd Hoffmann typedef struct XHCIPort { 3081d8a4e69SGerd Hoffmann XHCIState *xhci; 309f1ae32a1SGerd Hoffmann uint32_t portsc; 3100846e635SGerd Hoffmann uint32_t portnr; 3110846e635SGerd Hoffmann USBPort *uport; 3120846e635SGerd Hoffmann uint32_t speedmask; 3131d8a4e69SGerd Hoffmann char name[16]; 3141d8a4e69SGerd Hoffmann MemoryRegion mem; 315f1ae32a1SGerd Hoffmann } XHCIPort; 316f1ae32a1SGerd Hoffmann 317f1ae32a1SGerd Hoffmann typedef struct XHCITransfer { 318f1ae32a1SGerd Hoffmann XHCIState *xhci; 319f1ae32a1SGerd Hoffmann USBPacket packet; 320d5a15814SGerd Hoffmann QEMUSGList sgl; 321f1ae32a1SGerd Hoffmann bool running_async; 322f1ae32a1SGerd Hoffmann bool running_retry; 323f1ae32a1SGerd Hoffmann bool cancelled; 324f1ae32a1SGerd Hoffmann bool complete; 325a6fb2ddbSHans de Goede bool int_req; 326f1ae32a1SGerd Hoffmann unsigned int iso_pkts; 327f1ae32a1SGerd Hoffmann unsigned int slotid; 328f1ae32a1SGerd Hoffmann unsigned int epid; 329f1ae32a1SGerd Hoffmann bool in_xfer; 330f1ae32a1SGerd Hoffmann bool iso_xfer; 331f1ae32a1SGerd Hoffmann 332f1ae32a1SGerd Hoffmann unsigned int trb_count; 333f1ae32a1SGerd Hoffmann unsigned int trb_alloced; 334f1ae32a1SGerd Hoffmann XHCITRB *trbs; 335f1ae32a1SGerd Hoffmann 336f1ae32a1SGerd Hoffmann TRBCCode status; 337f1ae32a1SGerd Hoffmann 338f1ae32a1SGerd Hoffmann unsigned int pkts; 339f1ae32a1SGerd Hoffmann unsigned int pktsize; 340f1ae32a1SGerd Hoffmann unsigned int cur_pkt; 3413d139684SGerd Hoffmann 3423d139684SGerd Hoffmann uint64_t mfindex_kick; 343f1ae32a1SGerd Hoffmann } XHCITransfer; 344f1ae32a1SGerd Hoffmann 345f1ae32a1SGerd Hoffmann typedef struct XHCIEPContext { 3463d139684SGerd Hoffmann XHCIState *xhci; 3473d139684SGerd Hoffmann unsigned int slotid; 3483d139684SGerd Hoffmann unsigned int epid; 3493d139684SGerd Hoffmann 350f1ae32a1SGerd Hoffmann XHCIRing ring; 351f1ae32a1SGerd Hoffmann unsigned int next_xfer; 352f1ae32a1SGerd Hoffmann unsigned int comp_xfer; 353f1ae32a1SGerd Hoffmann XHCITransfer transfers[TD_QUEUE]; 354f1ae32a1SGerd Hoffmann XHCITransfer *retry; 355f1ae32a1SGerd Hoffmann EPType type; 35659a70ccdSDavid Gibson dma_addr_t pctx; 357f1ae32a1SGerd Hoffmann unsigned int max_psize; 358f1ae32a1SGerd Hoffmann uint32_t state; 3593d139684SGerd Hoffmann 3603d139684SGerd Hoffmann /* iso xfer scheduling */ 3613d139684SGerd Hoffmann unsigned int interval; 3623d139684SGerd Hoffmann int64_t mfindex_last; 3633d139684SGerd Hoffmann QEMUTimer *kick_timer; 364f1ae32a1SGerd Hoffmann } XHCIEPContext; 365f1ae32a1SGerd Hoffmann 366f1ae32a1SGerd Hoffmann typedef struct XHCISlot { 367f1ae32a1SGerd Hoffmann bool enabled; 36859a70ccdSDavid Gibson dma_addr_t ctx; 369ccaf87a0SGerd Hoffmann USBPort *uport; 370f1ae32a1SGerd Hoffmann unsigned int devaddr; 371f1ae32a1SGerd Hoffmann XHCIEPContext * eps[31]; 372f1ae32a1SGerd Hoffmann } XHCISlot; 373f1ae32a1SGerd Hoffmann 374f1ae32a1SGerd Hoffmann typedef struct XHCIEvent { 375f1ae32a1SGerd Hoffmann TRBType type; 376f1ae32a1SGerd Hoffmann TRBCCode ccode; 377f1ae32a1SGerd Hoffmann uint64_t ptr; 378f1ae32a1SGerd Hoffmann uint32_t length; 379f1ae32a1SGerd Hoffmann uint32_t flags; 380f1ae32a1SGerd Hoffmann uint8_t slotid; 381f1ae32a1SGerd Hoffmann uint8_t epid; 382f1ae32a1SGerd Hoffmann } XHCIEvent; 383f1ae32a1SGerd Hoffmann 384962d11e1SGerd Hoffmann typedef struct XHCIInterrupter { 385962d11e1SGerd Hoffmann uint32_t iman; 386962d11e1SGerd Hoffmann uint32_t imod; 387962d11e1SGerd Hoffmann uint32_t erstsz; 388962d11e1SGerd Hoffmann uint32_t erstba_low; 389962d11e1SGerd Hoffmann uint32_t erstba_high; 390962d11e1SGerd Hoffmann uint32_t erdp_low; 391962d11e1SGerd Hoffmann uint32_t erdp_high; 392962d11e1SGerd Hoffmann 393962d11e1SGerd Hoffmann bool msix_used, er_pcs, er_full; 394962d11e1SGerd Hoffmann 395962d11e1SGerd Hoffmann dma_addr_t er_start; 396962d11e1SGerd Hoffmann uint32_t er_size; 397962d11e1SGerd Hoffmann unsigned int er_ep_idx; 398962d11e1SGerd Hoffmann 399962d11e1SGerd Hoffmann XHCIEvent ev_buffer[EV_QUEUE]; 400962d11e1SGerd Hoffmann unsigned int ev_buffer_put; 401962d11e1SGerd Hoffmann unsigned int ev_buffer_get; 402962d11e1SGerd Hoffmann 403962d11e1SGerd Hoffmann } XHCIInterrupter; 404962d11e1SGerd Hoffmann 405f1ae32a1SGerd Hoffmann struct XHCIState { 406f1ae32a1SGerd Hoffmann PCIDevice pci_dev; 407f1ae32a1SGerd Hoffmann USBBus bus; 408f1ae32a1SGerd Hoffmann qemu_irq irq; 409f1ae32a1SGerd Hoffmann MemoryRegion mem; 4101b067564SGerd Hoffmann MemoryRegion mem_cap; 4111b067564SGerd Hoffmann MemoryRegion mem_oper; 4121b067564SGerd Hoffmann MemoryRegion mem_runtime; 4131b067564SGerd Hoffmann MemoryRegion mem_doorbell; 414f1ae32a1SGerd Hoffmann const char *name; 415f1ae32a1SGerd Hoffmann unsigned int devaddr; 416f1ae32a1SGerd Hoffmann 4170846e635SGerd Hoffmann /* properties */ 4180846e635SGerd Hoffmann uint32_t numports_2; 4190846e635SGerd Hoffmann uint32_t numports_3; 420c5e9b02dSGerd Hoffmann uint32_t flags; 4210846e635SGerd Hoffmann 422f1ae32a1SGerd Hoffmann /* Operational Registers */ 423f1ae32a1SGerd Hoffmann uint32_t usbcmd; 424f1ae32a1SGerd Hoffmann uint32_t usbsts; 425f1ae32a1SGerd Hoffmann uint32_t dnctrl; 426f1ae32a1SGerd Hoffmann uint32_t crcr_low; 427f1ae32a1SGerd Hoffmann uint32_t crcr_high; 428f1ae32a1SGerd Hoffmann uint32_t dcbaap_low; 429f1ae32a1SGerd Hoffmann uint32_t dcbaap_high; 430f1ae32a1SGerd Hoffmann uint32_t config; 431f1ae32a1SGerd Hoffmann 4320846e635SGerd Hoffmann USBPort uports[MAX(MAXPORTS_2, MAXPORTS_3)]; 433f1ae32a1SGerd Hoffmann XHCIPort ports[MAXPORTS]; 434f1ae32a1SGerd Hoffmann XHCISlot slots[MAXSLOTS]; 4350846e635SGerd Hoffmann uint32_t numports; 436f1ae32a1SGerd Hoffmann 437f1ae32a1SGerd Hoffmann /* Runtime Registers */ 43801546fa6SGerd Hoffmann int64_t mfindex_start; 43901546fa6SGerd Hoffmann QEMUTimer *mfwrap_timer; 440962d11e1SGerd Hoffmann XHCIInterrupter intr[MAXINTRS]; 441f1ae32a1SGerd Hoffmann 442f1ae32a1SGerd Hoffmann XHCIRing cmd_ring; 443f1ae32a1SGerd Hoffmann }; 444f1ae32a1SGerd Hoffmann 445f1ae32a1SGerd Hoffmann typedef struct XHCIEvRingSeg { 446f1ae32a1SGerd Hoffmann uint32_t addr_low; 447f1ae32a1SGerd Hoffmann uint32_t addr_high; 448f1ae32a1SGerd Hoffmann uint32_t size; 449f1ae32a1SGerd Hoffmann uint32_t rsvd; 450f1ae32a1SGerd Hoffmann } XHCIEvRingSeg; 451f1ae32a1SGerd Hoffmann 452c5e9b02dSGerd Hoffmann enum xhci_flags { 453c5e9b02dSGerd Hoffmann XHCI_FLAG_USE_MSI = 1, 4544c47f800SGerd Hoffmann XHCI_FLAG_USE_MSI_X, 455c5e9b02dSGerd Hoffmann }; 456c5e9b02dSGerd Hoffmann 45701546fa6SGerd Hoffmann static void xhci_kick_ep(XHCIState *xhci, unsigned int slotid, 45801546fa6SGerd Hoffmann unsigned int epid); 459962d11e1SGerd Hoffmann static void xhci_event(XHCIState *xhci, XHCIEvent *event, int v); 460962d11e1SGerd Hoffmann static void xhci_write_event(XHCIState *xhci, XHCIEvent *event, int v); 46101546fa6SGerd Hoffmann 462f1ae32a1SGerd Hoffmann static const char *TRBType_names[] = { 463f1ae32a1SGerd Hoffmann [TRB_RESERVED] = "TRB_RESERVED", 464f1ae32a1SGerd Hoffmann [TR_NORMAL] = "TR_NORMAL", 465f1ae32a1SGerd Hoffmann [TR_SETUP] = "TR_SETUP", 466f1ae32a1SGerd Hoffmann [TR_DATA] = "TR_DATA", 467f1ae32a1SGerd Hoffmann [TR_STATUS] = "TR_STATUS", 468f1ae32a1SGerd Hoffmann [TR_ISOCH] = "TR_ISOCH", 469f1ae32a1SGerd Hoffmann [TR_LINK] = "TR_LINK", 470f1ae32a1SGerd Hoffmann [TR_EVDATA] = "TR_EVDATA", 471f1ae32a1SGerd Hoffmann [TR_NOOP] = "TR_NOOP", 472f1ae32a1SGerd Hoffmann [CR_ENABLE_SLOT] = "CR_ENABLE_SLOT", 473f1ae32a1SGerd Hoffmann [CR_DISABLE_SLOT] = "CR_DISABLE_SLOT", 474f1ae32a1SGerd Hoffmann [CR_ADDRESS_DEVICE] = "CR_ADDRESS_DEVICE", 475f1ae32a1SGerd Hoffmann [CR_CONFIGURE_ENDPOINT] = "CR_CONFIGURE_ENDPOINT", 476f1ae32a1SGerd Hoffmann [CR_EVALUATE_CONTEXT] = "CR_EVALUATE_CONTEXT", 477f1ae32a1SGerd Hoffmann [CR_RESET_ENDPOINT] = "CR_RESET_ENDPOINT", 478f1ae32a1SGerd Hoffmann [CR_STOP_ENDPOINT] = "CR_STOP_ENDPOINT", 479f1ae32a1SGerd Hoffmann [CR_SET_TR_DEQUEUE] = "CR_SET_TR_DEQUEUE", 480f1ae32a1SGerd Hoffmann [CR_RESET_DEVICE] = "CR_RESET_DEVICE", 481f1ae32a1SGerd Hoffmann [CR_FORCE_EVENT] = "CR_FORCE_EVENT", 482f1ae32a1SGerd Hoffmann [CR_NEGOTIATE_BW] = "CR_NEGOTIATE_BW", 483f1ae32a1SGerd Hoffmann [CR_SET_LATENCY_TOLERANCE] = "CR_SET_LATENCY_TOLERANCE", 484f1ae32a1SGerd Hoffmann [CR_GET_PORT_BANDWIDTH] = "CR_GET_PORT_BANDWIDTH", 485f1ae32a1SGerd Hoffmann [CR_FORCE_HEADER] = "CR_FORCE_HEADER", 486f1ae32a1SGerd Hoffmann [CR_NOOP] = "CR_NOOP", 487f1ae32a1SGerd Hoffmann [ER_TRANSFER] = "ER_TRANSFER", 488f1ae32a1SGerd Hoffmann [ER_COMMAND_COMPLETE] = "ER_COMMAND_COMPLETE", 489f1ae32a1SGerd Hoffmann [ER_PORT_STATUS_CHANGE] = "ER_PORT_STATUS_CHANGE", 490f1ae32a1SGerd Hoffmann [ER_BANDWIDTH_REQUEST] = "ER_BANDWIDTH_REQUEST", 491f1ae32a1SGerd Hoffmann [ER_DOORBELL] = "ER_DOORBELL", 492f1ae32a1SGerd Hoffmann [ER_HOST_CONTROLLER] = "ER_HOST_CONTROLLER", 493f1ae32a1SGerd Hoffmann [ER_DEVICE_NOTIFICATION] = "ER_DEVICE_NOTIFICATION", 494f1ae32a1SGerd Hoffmann [ER_MFINDEX_WRAP] = "ER_MFINDEX_WRAP", 495f1ae32a1SGerd Hoffmann [CR_VENDOR_VIA_CHALLENGE_RESPONSE] = "CR_VENDOR_VIA_CHALLENGE_RESPONSE", 496f1ae32a1SGerd Hoffmann [CR_VENDOR_NEC_FIRMWARE_REVISION] = "CR_VENDOR_NEC_FIRMWARE_REVISION", 497f1ae32a1SGerd Hoffmann [CR_VENDOR_NEC_CHALLENGE_RESPONSE] = "CR_VENDOR_NEC_CHALLENGE_RESPONSE", 498f1ae32a1SGerd Hoffmann }; 499f1ae32a1SGerd Hoffmann 500873123feSGerd Hoffmann static const char *TRBCCode_names[] = { 501873123feSGerd Hoffmann [CC_INVALID] = "CC_INVALID", 502873123feSGerd Hoffmann [CC_SUCCESS] = "CC_SUCCESS", 503873123feSGerd Hoffmann [CC_DATA_BUFFER_ERROR] = "CC_DATA_BUFFER_ERROR", 504873123feSGerd Hoffmann [CC_BABBLE_DETECTED] = "CC_BABBLE_DETECTED", 505873123feSGerd Hoffmann [CC_USB_TRANSACTION_ERROR] = "CC_USB_TRANSACTION_ERROR", 506873123feSGerd Hoffmann [CC_TRB_ERROR] = "CC_TRB_ERROR", 507873123feSGerd Hoffmann [CC_STALL_ERROR] = "CC_STALL_ERROR", 508873123feSGerd Hoffmann [CC_RESOURCE_ERROR] = "CC_RESOURCE_ERROR", 509873123feSGerd Hoffmann [CC_BANDWIDTH_ERROR] = "CC_BANDWIDTH_ERROR", 510873123feSGerd Hoffmann [CC_NO_SLOTS_ERROR] = "CC_NO_SLOTS_ERROR", 511873123feSGerd Hoffmann [CC_INVALID_STREAM_TYPE_ERROR] = "CC_INVALID_STREAM_TYPE_ERROR", 512873123feSGerd Hoffmann [CC_SLOT_NOT_ENABLED_ERROR] = "CC_SLOT_NOT_ENABLED_ERROR", 513873123feSGerd Hoffmann [CC_EP_NOT_ENABLED_ERROR] = "CC_EP_NOT_ENABLED_ERROR", 514873123feSGerd Hoffmann [CC_SHORT_PACKET] = "CC_SHORT_PACKET", 515873123feSGerd Hoffmann [CC_RING_UNDERRUN] = "CC_RING_UNDERRUN", 516873123feSGerd Hoffmann [CC_RING_OVERRUN] = "CC_RING_OVERRUN", 517873123feSGerd Hoffmann [CC_VF_ER_FULL] = "CC_VF_ER_FULL", 518873123feSGerd Hoffmann [CC_PARAMETER_ERROR] = "CC_PARAMETER_ERROR", 519873123feSGerd Hoffmann [CC_BANDWIDTH_OVERRUN] = "CC_BANDWIDTH_OVERRUN", 520873123feSGerd Hoffmann [CC_CONTEXT_STATE_ERROR] = "CC_CONTEXT_STATE_ERROR", 521873123feSGerd Hoffmann [CC_NO_PING_RESPONSE_ERROR] = "CC_NO_PING_RESPONSE_ERROR", 522873123feSGerd Hoffmann [CC_EVENT_RING_FULL_ERROR] = "CC_EVENT_RING_FULL_ERROR", 523873123feSGerd Hoffmann [CC_INCOMPATIBLE_DEVICE_ERROR] = "CC_INCOMPATIBLE_DEVICE_ERROR", 524873123feSGerd Hoffmann [CC_MISSED_SERVICE_ERROR] = "CC_MISSED_SERVICE_ERROR", 525873123feSGerd Hoffmann [CC_COMMAND_RING_STOPPED] = "CC_COMMAND_RING_STOPPED", 526873123feSGerd Hoffmann [CC_COMMAND_ABORTED] = "CC_COMMAND_ABORTED", 527873123feSGerd Hoffmann [CC_STOPPED] = "CC_STOPPED", 528873123feSGerd Hoffmann [CC_STOPPED_LENGTH_INVALID] = "CC_STOPPED_LENGTH_INVALID", 529873123feSGerd Hoffmann [CC_MAX_EXIT_LATENCY_TOO_LARGE_ERROR] 530873123feSGerd Hoffmann = "CC_MAX_EXIT_LATENCY_TOO_LARGE_ERROR", 531873123feSGerd Hoffmann [CC_ISOCH_BUFFER_OVERRUN] = "CC_ISOCH_BUFFER_OVERRUN", 532873123feSGerd Hoffmann [CC_EVENT_LOST_ERROR] = "CC_EVENT_LOST_ERROR", 533873123feSGerd Hoffmann [CC_UNDEFINED_ERROR] = "CC_UNDEFINED_ERROR", 534873123feSGerd Hoffmann [CC_INVALID_STREAM_ID_ERROR] = "CC_INVALID_STREAM_ID_ERROR", 535873123feSGerd Hoffmann [CC_SECONDARY_BANDWIDTH_ERROR] = "CC_SECONDARY_BANDWIDTH_ERROR", 536873123feSGerd Hoffmann [CC_SPLIT_TRANSACTION_ERROR] = "CC_SPLIT_TRANSACTION_ERROR", 537873123feSGerd Hoffmann }; 538873123feSGerd Hoffmann 539f1ae32a1SGerd Hoffmann static const char *lookup_name(uint32_t index, const char **list, uint32_t llen) 540f1ae32a1SGerd Hoffmann { 541f1ae32a1SGerd Hoffmann if (index >= llen || list[index] == NULL) { 542f1ae32a1SGerd Hoffmann return "???"; 543f1ae32a1SGerd Hoffmann } 544f1ae32a1SGerd Hoffmann return list[index]; 545f1ae32a1SGerd Hoffmann } 546f1ae32a1SGerd Hoffmann 547f1ae32a1SGerd Hoffmann static const char *trb_name(XHCITRB *trb) 548f1ae32a1SGerd Hoffmann { 549f1ae32a1SGerd Hoffmann return lookup_name(TRB_TYPE(*trb), TRBType_names, 550f1ae32a1SGerd Hoffmann ARRAY_SIZE(TRBType_names)); 551f1ae32a1SGerd Hoffmann } 552f1ae32a1SGerd Hoffmann 553873123feSGerd Hoffmann static const char *event_name(XHCIEvent *event) 554873123feSGerd Hoffmann { 555873123feSGerd Hoffmann return lookup_name(event->ccode, TRBCCode_names, 556873123feSGerd Hoffmann ARRAY_SIZE(TRBCCode_names)); 557873123feSGerd Hoffmann } 558873123feSGerd Hoffmann 55901546fa6SGerd Hoffmann static uint64_t xhci_mfindex_get(XHCIState *xhci) 56001546fa6SGerd Hoffmann { 56101546fa6SGerd Hoffmann int64_t now = qemu_get_clock_ns(vm_clock); 56201546fa6SGerd Hoffmann return (now - xhci->mfindex_start) / 125000; 56301546fa6SGerd Hoffmann } 56401546fa6SGerd Hoffmann 56501546fa6SGerd Hoffmann static void xhci_mfwrap_update(XHCIState *xhci) 56601546fa6SGerd Hoffmann { 56701546fa6SGerd Hoffmann const uint32_t bits = USBCMD_RS | USBCMD_EWE; 56801546fa6SGerd Hoffmann uint32_t mfindex, left; 56901546fa6SGerd Hoffmann int64_t now; 57001546fa6SGerd Hoffmann 57101546fa6SGerd Hoffmann if ((xhci->usbcmd & bits) == bits) { 57201546fa6SGerd Hoffmann now = qemu_get_clock_ns(vm_clock); 57301546fa6SGerd Hoffmann mfindex = ((now - xhci->mfindex_start) / 125000) & 0x3fff; 57401546fa6SGerd Hoffmann left = 0x4000 - mfindex; 57501546fa6SGerd Hoffmann qemu_mod_timer(xhci->mfwrap_timer, now + left * 125000); 57601546fa6SGerd Hoffmann } else { 57701546fa6SGerd Hoffmann qemu_del_timer(xhci->mfwrap_timer); 57801546fa6SGerd Hoffmann } 57901546fa6SGerd Hoffmann } 58001546fa6SGerd Hoffmann 58101546fa6SGerd Hoffmann static void xhci_mfwrap_timer(void *opaque) 58201546fa6SGerd Hoffmann { 58301546fa6SGerd Hoffmann XHCIState *xhci = opaque; 58401546fa6SGerd Hoffmann XHCIEvent wrap = { ER_MFINDEX_WRAP, CC_SUCCESS }; 58501546fa6SGerd Hoffmann 586962d11e1SGerd Hoffmann xhci_event(xhci, &wrap, 0); 58701546fa6SGerd Hoffmann xhci_mfwrap_update(xhci); 58801546fa6SGerd Hoffmann } 589f1ae32a1SGerd Hoffmann 59059a70ccdSDavid Gibson static inline dma_addr_t xhci_addr64(uint32_t low, uint32_t high) 591f1ae32a1SGerd Hoffmann { 59259a70ccdSDavid Gibson if (sizeof(dma_addr_t) == 4) { 593f1ae32a1SGerd Hoffmann return low; 59459a70ccdSDavid Gibson } else { 59559a70ccdSDavid Gibson return low | (((dma_addr_t)high << 16) << 16); 59659a70ccdSDavid Gibson } 597f1ae32a1SGerd Hoffmann } 598f1ae32a1SGerd Hoffmann 59959a70ccdSDavid Gibson static inline dma_addr_t xhci_mask64(uint64_t addr) 600f1ae32a1SGerd Hoffmann { 60159a70ccdSDavid Gibson if (sizeof(dma_addr_t) == 4) { 602f1ae32a1SGerd Hoffmann return addr & 0xffffffff; 60359a70ccdSDavid Gibson } else { 60459a70ccdSDavid Gibson return addr; 60559a70ccdSDavid Gibson } 606f1ae32a1SGerd Hoffmann } 607f1ae32a1SGerd Hoffmann 6080846e635SGerd Hoffmann static XHCIPort *xhci_lookup_port(XHCIState *xhci, struct USBPort *uport) 6090846e635SGerd Hoffmann { 6100846e635SGerd Hoffmann int index; 6110846e635SGerd Hoffmann 6120846e635SGerd Hoffmann if (!uport->dev) { 6130846e635SGerd Hoffmann return NULL; 6140846e635SGerd Hoffmann } 6150846e635SGerd Hoffmann switch (uport->dev->speed) { 6160846e635SGerd Hoffmann case USB_SPEED_LOW: 6170846e635SGerd Hoffmann case USB_SPEED_FULL: 6180846e635SGerd Hoffmann case USB_SPEED_HIGH: 6190846e635SGerd Hoffmann index = uport->index; 6200846e635SGerd Hoffmann break; 6210846e635SGerd Hoffmann case USB_SPEED_SUPER: 6220846e635SGerd Hoffmann index = uport->index + xhci->numports_2; 6230846e635SGerd Hoffmann break; 6240846e635SGerd Hoffmann default: 6250846e635SGerd Hoffmann return NULL; 6260846e635SGerd Hoffmann } 6270846e635SGerd Hoffmann return &xhci->ports[index]; 6280846e635SGerd Hoffmann } 6290846e635SGerd Hoffmann 6304c4abe7cSGerd Hoffmann static void xhci_intx_update(XHCIState *xhci) 631f1ae32a1SGerd Hoffmann { 632f1ae32a1SGerd Hoffmann int level = 0; 633f1ae32a1SGerd Hoffmann 6344c47f800SGerd Hoffmann if (msix_enabled(&xhci->pci_dev) || 6354c47f800SGerd Hoffmann msi_enabled(&xhci->pci_dev)) { 6364c4abe7cSGerd Hoffmann return; 6374c4abe7cSGerd Hoffmann } 6384c4abe7cSGerd Hoffmann 639962d11e1SGerd Hoffmann if (xhci->intr[0].iman & IMAN_IP && 640962d11e1SGerd Hoffmann xhci->intr[0].iman & IMAN_IE && 641215bff17SLai Jiangshan xhci->usbcmd & USBCMD_INTE) { 642f1ae32a1SGerd Hoffmann level = 1; 643f1ae32a1SGerd Hoffmann } 644f1ae32a1SGerd Hoffmann 6457acd279fSGerd Hoffmann trace_usb_xhci_irq_intx(level); 646f1ae32a1SGerd Hoffmann qemu_set_irq(xhci->irq, level); 647f1ae32a1SGerd Hoffmann } 6484c4abe7cSGerd Hoffmann 649962d11e1SGerd Hoffmann static void xhci_msix_update(XHCIState *xhci, int v) 6504c47f800SGerd Hoffmann { 6514c47f800SGerd Hoffmann bool enabled; 6524c47f800SGerd Hoffmann 6534c47f800SGerd Hoffmann if (!msix_enabled(&xhci->pci_dev)) { 6544c47f800SGerd Hoffmann return; 6554c47f800SGerd Hoffmann } 6564c47f800SGerd Hoffmann 657962d11e1SGerd Hoffmann enabled = xhci->intr[v].iman & IMAN_IE; 658962d11e1SGerd Hoffmann if (enabled == xhci->intr[v].msix_used) { 6594c47f800SGerd Hoffmann return; 6604c47f800SGerd Hoffmann } 6614c47f800SGerd Hoffmann 6624c47f800SGerd Hoffmann if (enabled) { 663962d11e1SGerd Hoffmann trace_usb_xhci_irq_msix_use(v); 664962d11e1SGerd Hoffmann msix_vector_use(&xhci->pci_dev, v); 665962d11e1SGerd Hoffmann xhci->intr[v].msix_used = true; 6664c47f800SGerd Hoffmann } else { 667962d11e1SGerd Hoffmann trace_usb_xhci_irq_msix_unuse(v); 668962d11e1SGerd Hoffmann msix_vector_unuse(&xhci->pci_dev, v); 669962d11e1SGerd Hoffmann xhci->intr[v].msix_used = false; 6704c47f800SGerd Hoffmann } 6714c47f800SGerd Hoffmann } 6724c47f800SGerd Hoffmann 673962d11e1SGerd Hoffmann static void xhci_intr_raise(XHCIState *xhci, int v) 6744c4abe7cSGerd Hoffmann { 675962d11e1SGerd Hoffmann xhci->intr[v].erdp_low |= ERDP_EHB; 676962d11e1SGerd Hoffmann xhci->intr[v].iman |= IMAN_IP; 6772cae4119SGerd Hoffmann xhci->usbsts |= USBSTS_EINT; 6782cae4119SGerd Hoffmann 679962d11e1SGerd Hoffmann if (!(xhci->intr[v].iman & IMAN_IE)) { 6804c4abe7cSGerd Hoffmann return; 6814c4abe7cSGerd Hoffmann } 6824c4abe7cSGerd Hoffmann 6834c4abe7cSGerd Hoffmann if (!(xhci->usbcmd & USBCMD_INTE)) { 6844c4abe7cSGerd Hoffmann return; 6854c4abe7cSGerd Hoffmann } 6864c4abe7cSGerd Hoffmann 6874c47f800SGerd Hoffmann if (msix_enabled(&xhci->pci_dev)) { 688962d11e1SGerd Hoffmann trace_usb_xhci_irq_msix(v); 689962d11e1SGerd Hoffmann msix_notify(&xhci->pci_dev, v); 6904c47f800SGerd Hoffmann return; 6914c47f800SGerd Hoffmann } 6924c47f800SGerd Hoffmann 6934c4abe7cSGerd Hoffmann if (msi_enabled(&xhci->pci_dev)) { 694962d11e1SGerd Hoffmann trace_usb_xhci_irq_msi(v); 695962d11e1SGerd Hoffmann msi_notify(&xhci->pci_dev, v); 6964c4abe7cSGerd Hoffmann return; 6974c4abe7cSGerd Hoffmann } 6984c4abe7cSGerd Hoffmann 699962d11e1SGerd Hoffmann if (v == 0) { 7004c4abe7cSGerd Hoffmann trace_usb_xhci_irq_intx(1); 7014c4abe7cSGerd Hoffmann qemu_set_irq(xhci->irq, 1); 702f1ae32a1SGerd Hoffmann } 703962d11e1SGerd Hoffmann } 704f1ae32a1SGerd Hoffmann 705f1ae32a1SGerd Hoffmann static inline int xhci_running(XHCIState *xhci) 706f1ae32a1SGerd Hoffmann { 707962d11e1SGerd Hoffmann return !(xhci->usbsts & USBSTS_HCH) && !xhci->intr[0].er_full; 708f1ae32a1SGerd Hoffmann } 709f1ae32a1SGerd Hoffmann 710f1ae32a1SGerd Hoffmann static void xhci_die(XHCIState *xhci) 711f1ae32a1SGerd Hoffmann { 712f1ae32a1SGerd Hoffmann xhci->usbsts |= USBSTS_HCE; 713f1ae32a1SGerd Hoffmann fprintf(stderr, "xhci: asserted controller error\n"); 714f1ae32a1SGerd Hoffmann } 715f1ae32a1SGerd Hoffmann 716962d11e1SGerd Hoffmann static void xhci_write_event(XHCIState *xhci, XHCIEvent *event, int v) 717f1ae32a1SGerd Hoffmann { 718962d11e1SGerd Hoffmann XHCIInterrupter *intr = &xhci->intr[v]; 719f1ae32a1SGerd Hoffmann XHCITRB ev_trb; 72059a70ccdSDavid Gibson dma_addr_t addr; 721f1ae32a1SGerd Hoffmann 722f1ae32a1SGerd Hoffmann ev_trb.parameter = cpu_to_le64(event->ptr); 723f1ae32a1SGerd Hoffmann ev_trb.status = cpu_to_le32(event->length | (event->ccode << 24)); 724f1ae32a1SGerd Hoffmann ev_trb.control = (event->slotid << 24) | (event->epid << 16) | 725f1ae32a1SGerd Hoffmann event->flags | (event->type << TRB_TYPE_SHIFT); 726962d11e1SGerd Hoffmann if (intr->er_pcs) { 727f1ae32a1SGerd Hoffmann ev_trb.control |= TRB_C; 728f1ae32a1SGerd Hoffmann } 729f1ae32a1SGerd Hoffmann ev_trb.control = cpu_to_le32(ev_trb.control); 730f1ae32a1SGerd Hoffmann 731962d11e1SGerd Hoffmann trace_usb_xhci_queue_event(v, intr->er_ep_idx, trb_name(&ev_trb), 732873123feSGerd Hoffmann event_name(event), ev_trb.parameter, 733873123feSGerd Hoffmann ev_trb.status, ev_trb.control); 734f1ae32a1SGerd Hoffmann 735962d11e1SGerd Hoffmann addr = intr->er_start + TRB_SIZE*intr->er_ep_idx; 73659a70ccdSDavid Gibson pci_dma_write(&xhci->pci_dev, addr, &ev_trb, TRB_SIZE); 737f1ae32a1SGerd Hoffmann 738962d11e1SGerd Hoffmann intr->er_ep_idx++; 739962d11e1SGerd Hoffmann if (intr->er_ep_idx >= intr->er_size) { 740962d11e1SGerd Hoffmann intr->er_ep_idx = 0; 741962d11e1SGerd Hoffmann intr->er_pcs = !intr->er_pcs; 742f1ae32a1SGerd Hoffmann } 743f1ae32a1SGerd Hoffmann } 744f1ae32a1SGerd Hoffmann 745962d11e1SGerd Hoffmann static void xhci_events_update(XHCIState *xhci, int v) 746f1ae32a1SGerd Hoffmann { 747962d11e1SGerd Hoffmann XHCIInterrupter *intr = &xhci->intr[v]; 74859a70ccdSDavid Gibson dma_addr_t erdp; 749f1ae32a1SGerd Hoffmann unsigned int dp_idx; 750f1ae32a1SGerd Hoffmann bool do_irq = 0; 751f1ae32a1SGerd Hoffmann 752f1ae32a1SGerd Hoffmann if (xhci->usbsts & USBSTS_HCH) { 753f1ae32a1SGerd Hoffmann return; 754f1ae32a1SGerd Hoffmann } 755f1ae32a1SGerd Hoffmann 756962d11e1SGerd Hoffmann erdp = xhci_addr64(intr->erdp_low, intr->erdp_high); 757962d11e1SGerd Hoffmann if (erdp < intr->er_start || 758962d11e1SGerd Hoffmann erdp >= (intr->er_start + TRB_SIZE*intr->er_size)) { 75959a70ccdSDavid Gibson fprintf(stderr, "xhci: ERDP out of bounds: "DMA_ADDR_FMT"\n", erdp); 760962d11e1SGerd Hoffmann fprintf(stderr, "xhci: ER[%d] at "DMA_ADDR_FMT" len %d\n", 761962d11e1SGerd Hoffmann v, intr->er_start, intr->er_size); 762f1ae32a1SGerd Hoffmann xhci_die(xhci); 763f1ae32a1SGerd Hoffmann return; 764f1ae32a1SGerd Hoffmann } 765962d11e1SGerd Hoffmann dp_idx = (erdp - intr->er_start) / TRB_SIZE; 766962d11e1SGerd Hoffmann assert(dp_idx < intr->er_size); 767f1ae32a1SGerd Hoffmann 768f1ae32a1SGerd Hoffmann /* NEC didn't read section 4.9.4 of the spec (v1.0 p139 top Note) and thus 769f1ae32a1SGerd Hoffmann * deadlocks when the ER is full. Hack it by holding off events until 770f1ae32a1SGerd Hoffmann * the driver decides to free at least half of the ring */ 771962d11e1SGerd Hoffmann if (intr->er_full) { 772962d11e1SGerd Hoffmann int er_free = dp_idx - intr->er_ep_idx; 773f1ae32a1SGerd Hoffmann if (er_free <= 0) { 774962d11e1SGerd Hoffmann er_free += intr->er_size; 775f1ae32a1SGerd Hoffmann } 776962d11e1SGerd Hoffmann if (er_free < (intr->er_size/2)) { 777f1ae32a1SGerd Hoffmann DPRINTF("xhci_events_update(): event ring still " 778f1ae32a1SGerd Hoffmann "more than half full (hack)\n"); 779f1ae32a1SGerd Hoffmann return; 780f1ae32a1SGerd Hoffmann } 781f1ae32a1SGerd Hoffmann } 782f1ae32a1SGerd Hoffmann 783962d11e1SGerd Hoffmann while (intr->ev_buffer_put != intr->ev_buffer_get) { 784962d11e1SGerd Hoffmann assert(intr->er_full); 785962d11e1SGerd Hoffmann if (((intr->er_ep_idx+1) % intr->er_size) == dp_idx) { 786f1ae32a1SGerd Hoffmann DPRINTF("xhci_events_update(): event ring full again\n"); 787f1ae32a1SGerd Hoffmann #ifndef ER_FULL_HACK 788f1ae32a1SGerd Hoffmann XHCIEvent full = {ER_HOST_CONTROLLER, CC_EVENT_RING_FULL_ERROR}; 789962d11e1SGerd Hoffmann xhci_write_event(xhci, &full, v); 790f1ae32a1SGerd Hoffmann #endif 791f1ae32a1SGerd Hoffmann do_irq = 1; 792f1ae32a1SGerd Hoffmann break; 793f1ae32a1SGerd Hoffmann } 794962d11e1SGerd Hoffmann XHCIEvent *event = &intr->ev_buffer[intr->ev_buffer_get]; 795962d11e1SGerd Hoffmann xhci_write_event(xhci, event, v); 796962d11e1SGerd Hoffmann intr->ev_buffer_get++; 797f1ae32a1SGerd Hoffmann do_irq = 1; 798962d11e1SGerd Hoffmann if (intr->ev_buffer_get == EV_QUEUE) { 799962d11e1SGerd Hoffmann intr->ev_buffer_get = 0; 800f1ae32a1SGerd Hoffmann } 801f1ae32a1SGerd Hoffmann } 802f1ae32a1SGerd Hoffmann 803f1ae32a1SGerd Hoffmann if (do_irq) { 804962d11e1SGerd Hoffmann xhci_intr_raise(xhci, v); 805f1ae32a1SGerd Hoffmann } 806f1ae32a1SGerd Hoffmann 807962d11e1SGerd Hoffmann if (intr->er_full && intr->ev_buffer_put == intr->ev_buffer_get) { 808f1ae32a1SGerd Hoffmann DPRINTF("xhci_events_update(): event ring no longer full\n"); 809962d11e1SGerd Hoffmann intr->er_full = 0; 810f1ae32a1SGerd Hoffmann } 811f1ae32a1SGerd Hoffmann } 812f1ae32a1SGerd Hoffmann 813962d11e1SGerd Hoffmann static void xhci_event(XHCIState *xhci, XHCIEvent *event, int v) 814f1ae32a1SGerd Hoffmann { 8152d1de850SGerd Hoffmann XHCIInterrupter *intr; 81659a70ccdSDavid Gibson dma_addr_t erdp; 817f1ae32a1SGerd Hoffmann unsigned int dp_idx; 818f1ae32a1SGerd Hoffmann 8192d1de850SGerd Hoffmann if (v >= MAXINTRS) { 8202d1de850SGerd Hoffmann DPRINTF("intr nr out of range (%d >= %d)\n", v, MAXINTRS); 8212d1de850SGerd Hoffmann return; 8222d1de850SGerd Hoffmann } 8232d1de850SGerd Hoffmann intr = &xhci->intr[v]; 8242d1de850SGerd Hoffmann 825962d11e1SGerd Hoffmann if (intr->er_full) { 826f1ae32a1SGerd Hoffmann DPRINTF("xhci_event(): ER full, queueing\n"); 827962d11e1SGerd Hoffmann if (((intr->ev_buffer_put+1) % EV_QUEUE) == intr->ev_buffer_get) { 828f1ae32a1SGerd Hoffmann fprintf(stderr, "xhci: event queue full, dropping event!\n"); 829f1ae32a1SGerd Hoffmann return; 830f1ae32a1SGerd Hoffmann } 831962d11e1SGerd Hoffmann intr->ev_buffer[intr->ev_buffer_put++] = *event; 832962d11e1SGerd Hoffmann if (intr->ev_buffer_put == EV_QUEUE) { 833962d11e1SGerd Hoffmann intr->ev_buffer_put = 0; 834f1ae32a1SGerd Hoffmann } 835f1ae32a1SGerd Hoffmann return; 836f1ae32a1SGerd Hoffmann } 837f1ae32a1SGerd Hoffmann 838962d11e1SGerd Hoffmann erdp = xhci_addr64(intr->erdp_low, intr->erdp_high); 839962d11e1SGerd Hoffmann if (erdp < intr->er_start || 840962d11e1SGerd Hoffmann erdp >= (intr->er_start + TRB_SIZE*intr->er_size)) { 84159a70ccdSDavid Gibson fprintf(stderr, "xhci: ERDP out of bounds: "DMA_ADDR_FMT"\n", erdp); 842962d11e1SGerd Hoffmann fprintf(stderr, "xhci: ER[%d] at "DMA_ADDR_FMT" len %d\n", 843962d11e1SGerd Hoffmann v, intr->er_start, intr->er_size); 844f1ae32a1SGerd Hoffmann xhci_die(xhci); 845f1ae32a1SGerd Hoffmann return; 846f1ae32a1SGerd Hoffmann } 847f1ae32a1SGerd Hoffmann 848962d11e1SGerd Hoffmann dp_idx = (erdp - intr->er_start) / TRB_SIZE; 849962d11e1SGerd Hoffmann assert(dp_idx < intr->er_size); 850f1ae32a1SGerd Hoffmann 851962d11e1SGerd Hoffmann if ((intr->er_ep_idx+1) % intr->er_size == dp_idx) { 852f1ae32a1SGerd Hoffmann DPRINTF("xhci_event(): ER full, queueing\n"); 853f1ae32a1SGerd Hoffmann #ifndef ER_FULL_HACK 854f1ae32a1SGerd Hoffmann XHCIEvent full = {ER_HOST_CONTROLLER, CC_EVENT_RING_FULL_ERROR}; 855f1ae32a1SGerd Hoffmann xhci_write_event(xhci, &full); 856f1ae32a1SGerd Hoffmann #endif 857962d11e1SGerd Hoffmann intr->er_full = 1; 858962d11e1SGerd Hoffmann if (((intr->ev_buffer_put+1) % EV_QUEUE) == intr->ev_buffer_get) { 859f1ae32a1SGerd Hoffmann fprintf(stderr, "xhci: event queue full, dropping event!\n"); 860f1ae32a1SGerd Hoffmann return; 861f1ae32a1SGerd Hoffmann } 862962d11e1SGerd Hoffmann intr->ev_buffer[intr->ev_buffer_put++] = *event; 863962d11e1SGerd Hoffmann if (intr->ev_buffer_put == EV_QUEUE) { 864962d11e1SGerd Hoffmann intr->ev_buffer_put = 0; 865f1ae32a1SGerd Hoffmann } 866f1ae32a1SGerd Hoffmann } else { 867962d11e1SGerd Hoffmann xhci_write_event(xhci, event, v); 868f1ae32a1SGerd Hoffmann } 869f1ae32a1SGerd Hoffmann 870962d11e1SGerd Hoffmann xhci_intr_raise(xhci, v); 871f1ae32a1SGerd Hoffmann } 872f1ae32a1SGerd Hoffmann 873f1ae32a1SGerd Hoffmann static void xhci_ring_init(XHCIState *xhci, XHCIRing *ring, 87459a70ccdSDavid Gibson dma_addr_t base) 875f1ae32a1SGerd Hoffmann { 876f1ae32a1SGerd Hoffmann ring->base = base; 877f1ae32a1SGerd Hoffmann ring->dequeue = base; 878f1ae32a1SGerd Hoffmann ring->ccs = 1; 879f1ae32a1SGerd Hoffmann } 880f1ae32a1SGerd Hoffmann 881f1ae32a1SGerd Hoffmann static TRBType xhci_ring_fetch(XHCIState *xhci, XHCIRing *ring, XHCITRB *trb, 88259a70ccdSDavid Gibson dma_addr_t *addr) 883f1ae32a1SGerd Hoffmann { 884f1ae32a1SGerd Hoffmann while (1) { 885f1ae32a1SGerd Hoffmann TRBType type; 88659a70ccdSDavid Gibson pci_dma_read(&xhci->pci_dev, ring->dequeue, trb, TRB_SIZE); 887f1ae32a1SGerd Hoffmann trb->addr = ring->dequeue; 888f1ae32a1SGerd Hoffmann trb->ccs = ring->ccs; 889f1ae32a1SGerd Hoffmann le64_to_cpus(&trb->parameter); 890f1ae32a1SGerd Hoffmann le32_to_cpus(&trb->status); 891f1ae32a1SGerd Hoffmann le32_to_cpus(&trb->control); 892f1ae32a1SGerd Hoffmann 8930703a4a7SGerd Hoffmann trace_usb_xhci_fetch_trb(ring->dequeue, trb_name(trb), 8940703a4a7SGerd Hoffmann trb->parameter, trb->status, trb->control); 895f1ae32a1SGerd Hoffmann 896f1ae32a1SGerd Hoffmann if ((trb->control & TRB_C) != ring->ccs) { 897f1ae32a1SGerd Hoffmann return 0; 898f1ae32a1SGerd Hoffmann } 899f1ae32a1SGerd Hoffmann 900f1ae32a1SGerd Hoffmann type = TRB_TYPE(*trb); 901f1ae32a1SGerd Hoffmann 902f1ae32a1SGerd Hoffmann if (type != TR_LINK) { 903f1ae32a1SGerd Hoffmann if (addr) { 904f1ae32a1SGerd Hoffmann *addr = ring->dequeue; 905f1ae32a1SGerd Hoffmann } 906f1ae32a1SGerd Hoffmann ring->dequeue += TRB_SIZE; 907f1ae32a1SGerd Hoffmann return type; 908f1ae32a1SGerd Hoffmann } else { 909f1ae32a1SGerd Hoffmann ring->dequeue = xhci_mask64(trb->parameter); 910f1ae32a1SGerd Hoffmann if (trb->control & TRB_LK_TC) { 911f1ae32a1SGerd Hoffmann ring->ccs = !ring->ccs; 912f1ae32a1SGerd Hoffmann } 913f1ae32a1SGerd Hoffmann } 914f1ae32a1SGerd Hoffmann } 915f1ae32a1SGerd Hoffmann } 916f1ae32a1SGerd Hoffmann 917f1ae32a1SGerd Hoffmann static int xhci_ring_chain_length(XHCIState *xhci, const XHCIRing *ring) 918f1ae32a1SGerd Hoffmann { 919f1ae32a1SGerd Hoffmann XHCITRB trb; 920f1ae32a1SGerd Hoffmann int length = 0; 92159a70ccdSDavid Gibson dma_addr_t dequeue = ring->dequeue; 922f1ae32a1SGerd Hoffmann bool ccs = ring->ccs; 923f1ae32a1SGerd Hoffmann /* hack to bundle together the two/three TDs that make a setup transfer */ 924f1ae32a1SGerd Hoffmann bool control_td_set = 0; 925f1ae32a1SGerd Hoffmann 926f1ae32a1SGerd Hoffmann while (1) { 927f1ae32a1SGerd Hoffmann TRBType type; 92859a70ccdSDavid Gibson pci_dma_read(&xhci->pci_dev, dequeue, &trb, TRB_SIZE); 929f1ae32a1SGerd Hoffmann le64_to_cpus(&trb.parameter); 930f1ae32a1SGerd Hoffmann le32_to_cpus(&trb.status); 931f1ae32a1SGerd Hoffmann le32_to_cpus(&trb.control); 932f1ae32a1SGerd Hoffmann 933f1ae32a1SGerd Hoffmann if ((trb.control & TRB_C) != ccs) { 934f1ae32a1SGerd Hoffmann return -length; 935f1ae32a1SGerd Hoffmann } 936f1ae32a1SGerd Hoffmann 937f1ae32a1SGerd Hoffmann type = TRB_TYPE(trb); 938f1ae32a1SGerd Hoffmann 939f1ae32a1SGerd Hoffmann if (type == TR_LINK) { 940f1ae32a1SGerd Hoffmann dequeue = xhci_mask64(trb.parameter); 941f1ae32a1SGerd Hoffmann if (trb.control & TRB_LK_TC) { 942f1ae32a1SGerd Hoffmann ccs = !ccs; 943f1ae32a1SGerd Hoffmann } 944f1ae32a1SGerd Hoffmann continue; 945f1ae32a1SGerd Hoffmann } 946f1ae32a1SGerd Hoffmann 947f1ae32a1SGerd Hoffmann length += 1; 948f1ae32a1SGerd Hoffmann dequeue += TRB_SIZE; 949f1ae32a1SGerd Hoffmann 950f1ae32a1SGerd Hoffmann if (type == TR_SETUP) { 951f1ae32a1SGerd Hoffmann control_td_set = 1; 952f1ae32a1SGerd Hoffmann } else if (type == TR_STATUS) { 953f1ae32a1SGerd Hoffmann control_td_set = 0; 954f1ae32a1SGerd Hoffmann } 955f1ae32a1SGerd Hoffmann 956f1ae32a1SGerd Hoffmann if (!control_td_set && !(trb.control & TRB_TR_CH)) { 957f1ae32a1SGerd Hoffmann return length; 958f1ae32a1SGerd Hoffmann } 959f1ae32a1SGerd Hoffmann } 960f1ae32a1SGerd Hoffmann } 961f1ae32a1SGerd Hoffmann 962962d11e1SGerd Hoffmann static void xhci_er_reset(XHCIState *xhci, int v) 963f1ae32a1SGerd Hoffmann { 964962d11e1SGerd Hoffmann XHCIInterrupter *intr = &xhci->intr[v]; 965f1ae32a1SGerd Hoffmann XHCIEvRingSeg seg; 966f1ae32a1SGerd Hoffmann 967*e099ad4bSGerd Hoffmann if (intr->erstsz == 0) { 968*e099ad4bSGerd Hoffmann /* disabled */ 969*e099ad4bSGerd Hoffmann intr->er_start = 0; 970*e099ad4bSGerd Hoffmann intr->er_size = 0; 971*e099ad4bSGerd Hoffmann return; 972*e099ad4bSGerd Hoffmann } 973f1ae32a1SGerd Hoffmann /* cache the (sole) event ring segment location */ 974962d11e1SGerd Hoffmann if (intr->erstsz != 1) { 975962d11e1SGerd Hoffmann fprintf(stderr, "xhci: invalid value for ERSTSZ: %d\n", intr->erstsz); 976f1ae32a1SGerd Hoffmann xhci_die(xhci); 977f1ae32a1SGerd Hoffmann return; 978f1ae32a1SGerd Hoffmann } 979962d11e1SGerd Hoffmann dma_addr_t erstba = xhci_addr64(intr->erstba_low, intr->erstba_high); 98059a70ccdSDavid Gibson pci_dma_read(&xhci->pci_dev, erstba, &seg, sizeof(seg)); 981f1ae32a1SGerd Hoffmann le32_to_cpus(&seg.addr_low); 982f1ae32a1SGerd Hoffmann le32_to_cpus(&seg.addr_high); 983f1ae32a1SGerd Hoffmann le32_to_cpus(&seg.size); 984f1ae32a1SGerd Hoffmann if (seg.size < 16 || seg.size > 4096) { 985f1ae32a1SGerd Hoffmann fprintf(stderr, "xhci: invalid value for segment size: %d\n", seg.size); 986f1ae32a1SGerd Hoffmann xhci_die(xhci); 987f1ae32a1SGerd Hoffmann return; 988f1ae32a1SGerd Hoffmann } 989962d11e1SGerd Hoffmann intr->er_start = xhci_addr64(seg.addr_low, seg.addr_high); 990962d11e1SGerd Hoffmann intr->er_size = seg.size; 991f1ae32a1SGerd Hoffmann 992962d11e1SGerd Hoffmann intr->er_ep_idx = 0; 993962d11e1SGerd Hoffmann intr->er_pcs = 1; 994962d11e1SGerd Hoffmann intr->er_full = 0; 995f1ae32a1SGerd Hoffmann 996962d11e1SGerd Hoffmann DPRINTF("xhci: event ring[%d]:" DMA_ADDR_FMT " [%d]\n", 997962d11e1SGerd Hoffmann v, intr->er_start, intr->er_size); 998f1ae32a1SGerd Hoffmann } 999f1ae32a1SGerd Hoffmann 1000f1ae32a1SGerd Hoffmann static void xhci_run(XHCIState *xhci) 1001f1ae32a1SGerd Hoffmann { 1002fc0ddacaSGerd Hoffmann trace_usb_xhci_run(); 1003f1ae32a1SGerd Hoffmann xhci->usbsts &= ~USBSTS_HCH; 100401546fa6SGerd Hoffmann xhci->mfindex_start = qemu_get_clock_ns(vm_clock); 1005f1ae32a1SGerd Hoffmann } 1006f1ae32a1SGerd Hoffmann 1007f1ae32a1SGerd Hoffmann static void xhci_stop(XHCIState *xhci) 1008f1ae32a1SGerd Hoffmann { 1009fc0ddacaSGerd Hoffmann trace_usb_xhci_stop(); 1010f1ae32a1SGerd Hoffmann xhci->usbsts |= USBSTS_HCH; 1011f1ae32a1SGerd Hoffmann xhci->crcr_low &= ~CRCR_CRR; 1012f1ae32a1SGerd Hoffmann } 1013f1ae32a1SGerd Hoffmann 1014f1ae32a1SGerd Hoffmann static void xhci_set_ep_state(XHCIState *xhci, XHCIEPContext *epctx, 1015f1ae32a1SGerd Hoffmann uint32_t state) 1016f1ae32a1SGerd Hoffmann { 1017f1ae32a1SGerd Hoffmann uint32_t ctx[5]; 1018f1ae32a1SGerd Hoffmann 101959a70ccdSDavid Gibson pci_dma_read(&xhci->pci_dev, epctx->pctx, ctx, sizeof(ctx)); 1020f1ae32a1SGerd Hoffmann ctx[0] &= ~EP_STATE_MASK; 1021f1ae32a1SGerd Hoffmann ctx[0] |= state; 1022f1ae32a1SGerd Hoffmann ctx[2] = epctx->ring.dequeue | epctx->ring.ccs; 1023f1ae32a1SGerd Hoffmann ctx[3] = (epctx->ring.dequeue >> 16) >> 16; 102459a70ccdSDavid Gibson DPRINTF("xhci: set epctx: " DMA_ADDR_FMT " state=%d dequeue=%08x%08x\n", 1025f1ae32a1SGerd Hoffmann epctx->pctx, state, ctx[3], ctx[2]); 102659a70ccdSDavid Gibson pci_dma_write(&xhci->pci_dev, epctx->pctx, ctx, sizeof(ctx)); 1027f1ae32a1SGerd Hoffmann epctx->state = state; 1028f1ae32a1SGerd Hoffmann } 1029f1ae32a1SGerd Hoffmann 10303d139684SGerd Hoffmann static void xhci_ep_kick_timer(void *opaque) 10313d139684SGerd Hoffmann { 10323d139684SGerd Hoffmann XHCIEPContext *epctx = opaque; 10333d139684SGerd Hoffmann xhci_kick_ep(epctx->xhci, epctx->slotid, epctx->epid); 10343d139684SGerd Hoffmann } 10353d139684SGerd Hoffmann 1036f1ae32a1SGerd Hoffmann static TRBCCode xhci_enable_ep(XHCIState *xhci, unsigned int slotid, 103759a70ccdSDavid Gibson unsigned int epid, dma_addr_t pctx, 1038f1ae32a1SGerd Hoffmann uint32_t *ctx) 1039f1ae32a1SGerd Hoffmann { 1040f1ae32a1SGerd Hoffmann XHCISlot *slot; 1041f1ae32a1SGerd Hoffmann XHCIEPContext *epctx; 104259a70ccdSDavid Gibson dma_addr_t dequeue; 1043f1ae32a1SGerd Hoffmann int i; 1044f1ae32a1SGerd Hoffmann 1045c1f6b493SGerd Hoffmann trace_usb_xhci_ep_enable(slotid, epid); 1046f1ae32a1SGerd Hoffmann assert(slotid >= 1 && slotid <= MAXSLOTS); 1047f1ae32a1SGerd Hoffmann assert(epid >= 1 && epid <= 31); 1048f1ae32a1SGerd Hoffmann 1049f1ae32a1SGerd Hoffmann slot = &xhci->slots[slotid-1]; 1050f1ae32a1SGerd Hoffmann if (slot->eps[epid-1]) { 1051f1ae32a1SGerd Hoffmann fprintf(stderr, "xhci: slot %d ep %d already enabled!\n", slotid, epid); 1052f1ae32a1SGerd Hoffmann return CC_TRB_ERROR; 1053f1ae32a1SGerd Hoffmann } 1054f1ae32a1SGerd Hoffmann 1055f1ae32a1SGerd Hoffmann epctx = g_malloc(sizeof(XHCIEPContext)); 1056f1ae32a1SGerd Hoffmann memset(epctx, 0, sizeof(XHCIEPContext)); 10573d139684SGerd Hoffmann epctx->xhci = xhci; 10583d139684SGerd Hoffmann epctx->slotid = slotid; 10593d139684SGerd Hoffmann epctx->epid = epid; 1060f1ae32a1SGerd Hoffmann 1061f1ae32a1SGerd Hoffmann slot->eps[epid-1] = epctx; 1062f1ae32a1SGerd Hoffmann 1063f1ae32a1SGerd Hoffmann dequeue = xhci_addr64(ctx[2] & ~0xf, ctx[3]); 1064f1ae32a1SGerd Hoffmann xhci_ring_init(xhci, &epctx->ring, dequeue); 1065f1ae32a1SGerd Hoffmann epctx->ring.ccs = ctx[2] & 1; 1066f1ae32a1SGerd Hoffmann 1067f1ae32a1SGerd Hoffmann epctx->type = (ctx[1] >> EP_TYPE_SHIFT) & EP_TYPE_MASK; 1068f1ae32a1SGerd Hoffmann DPRINTF("xhci: endpoint %d.%d type is %d\n", epid/2, epid%2, epctx->type); 1069f1ae32a1SGerd Hoffmann epctx->pctx = pctx; 1070f1ae32a1SGerd Hoffmann epctx->max_psize = ctx[1]>>16; 1071f1ae32a1SGerd Hoffmann epctx->max_psize *= 1+((ctx[1]>>8)&0xff); 1072f1ae32a1SGerd Hoffmann DPRINTF("xhci: endpoint %d.%d max transaction (burst) size is %d\n", 1073f1ae32a1SGerd Hoffmann epid/2, epid%2, epctx->max_psize); 1074f1ae32a1SGerd Hoffmann for (i = 0; i < ARRAY_SIZE(epctx->transfers); i++) { 1075f1ae32a1SGerd Hoffmann usb_packet_init(&epctx->transfers[i].packet); 1076f1ae32a1SGerd Hoffmann } 1077f1ae32a1SGerd Hoffmann 10783d139684SGerd Hoffmann epctx->interval = 1 << (ctx[0] >> 16) & 0xff; 10793d139684SGerd Hoffmann epctx->mfindex_last = 0; 10803d139684SGerd Hoffmann epctx->kick_timer = qemu_new_timer_ns(vm_clock, xhci_ep_kick_timer, epctx); 10813d139684SGerd Hoffmann 1082f1ae32a1SGerd Hoffmann epctx->state = EP_RUNNING; 1083f1ae32a1SGerd Hoffmann ctx[0] &= ~EP_STATE_MASK; 1084f1ae32a1SGerd Hoffmann ctx[0] |= EP_RUNNING; 1085f1ae32a1SGerd Hoffmann 1086f1ae32a1SGerd Hoffmann return CC_SUCCESS; 1087f1ae32a1SGerd Hoffmann } 1088f1ae32a1SGerd Hoffmann 10893151f209SHans de Goede static int xhci_ep_nuke_one_xfer(XHCITransfer *t) 10903151f209SHans de Goede { 10913151f209SHans de Goede int killed = 0; 10923151f209SHans de Goede 10933151f209SHans de Goede if (t->running_async) { 10943151f209SHans de Goede usb_cancel_packet(&t->packet); 10953151f209SHans de Goede t->running_async = 0; 10963151f209SHans de Goede t->cancelled = 1; 10973151f209SHans de Goede DPRINTF("xhci: cancelling transfer, waiting for it to complete\n"); 10983151f209SHans de Goede killed = 1; 10993151f209SHans de Goede } 11003151f209SHans de Goede if (t->running_retry) { 11013151f209SHans de Goede XHCIEPContext *epctx = t->xhci->slots[t->slotid-1].eps[t->epid-1]; 11023151f209SHans de Goede if (epctx) { 11033151f209SHans de Goede epctx->retry = NULL; 11043151f209SHans de Goede qemu_del_timer(epctx->kick_timer); 11053151f209SHans de Goede } 11063151f209SHans de Goede t->running_retry = 0; 11073151f209SHans de Goede } 11083151f209SHans de Goede if (t->trbs) { 11093151f209SHans de Goede g_free(t->trbs); 11103151f209SHans de Goede } 11113151f209SHans de Goede 11123151f209SHans de Goede t->trbs = NULL; 11133151f209SHans de Goede t->trb_count = t->trb_alloced = 0; 11143151f209SHans de Goede 11153151f209SHans de Goede return killed; 11163151f209SHans de Goede } 11173151f209SHans de Goede 1118f1ae32a1SGerd Hoffmann static int xhci_ep_nuke_xfers(XHCIState *xhci, unsigned int slotid, 1119f1ae32a1SGerd Hoffmann unsigned int epid) 1120f1ae32a1SGerd Hoffmann { 1121f1ae32a1SGerd Hoffmann XHCISlot *slot; 1122f1ae32a1SGerd Hoffmann XHCIEPContext *epctx; 1123f1ae32a1SGerd Hoffmann int i, xferi, killed = 0; 1124f1ae32a1SGerd Hoffmann assert(slotid >= 1 && slotid <= MAXSLOTS); 1125f1ae32a1SGerd Hoffmann assert(epid >= 1 && epid <= 31); 1126f1ae32a1SGerd Hoffmann 1127f1ae32a1SGerd Hoffmann DPRINTF("xhci_ep_nuke_xfers(%d, %d)\n", slotid, epid); 1128f1ae32a1SGerd Hoffmann 1129f1ae32a1SGerd Hoffmann slot = &xhci->slots[slotid-1]; 1130f1ae32a1SGerd Hoffmann 1131f1ae32a1SGerd Hoffmann if (!slot->eps[epid-1]) { 1132f1ae32a1SGerd Hoffmann return 0; 1133f1ae32a1SGerd Hoffmann } 1134f1ae32a1SGerd Hoffmann 1135f1ae32a1SGerd Hoffmann epctx = slot->eps[epid-1]; 1136f1ae32a1SGerd Hoffmann 1137f1ae32a1SGerd Hoffmann xferi = epctx->next_xfer; 1138f1ae32a1SGerd Hoffmann for (i = 0; i < TD_QUEUE; i++) { 11393151f209SHans de Goede killed += xhci_ep_nuke_one_xfer(&epctx->transfers[xferi]); 1140f1ae32a1SGerd Hoffmann xferi = (xferi + 1) % TD_QUEUE; 1141f1ae32a1SGerd Hoffmann } 1142f1ae32a1SGerd Hoffmann return killed; 1143f1ae32a1SGerd Hoffmann } 1144f1ae32a1SGerd Hoffmann 1145f1ae32a1SGerd Hoffmann static TRBCCode xhci_disable_ep(XHCIState *xhci, unsigned int slotid, 1146f1ae32a1SGerd Hoffmann unsigned int epid) 1147f1ae32a1SGerd Hoffmann { 1148f1ae32a1SGerd Hoffmann XHCISlot *slot; 1149f1ae32a1SGerd Hoffmann XHCIEPContext *epctx; 1150f1ae32a1SGerd Hoffmann 1151c1f6b493SGerd Hoffmann trace_usb_xhci_ep_disable(slotid, epid); 1152f1ae32a1SGerd Hoffmann assert(slotid >= 1 && slotid <= MAXSLOTS); 1153f1ae32a1SGerd Hoffmann assert(epid >= 1 && epid <= 31); 1154f1ae32a1SGerd Hoffmann 1155f1ae32a1SGerd Hoffmann slot = &xhci->slots[slotid-1]; 1156f1ae32a1SGerd Hoffmann 1157f1ae32a1SGerd Hoffmann if (!slot->eps[epid-1]) { 1158f1ae32a1SGerd Hoffmann DPRINTF("xhci: slot %d ep %d already disabled\n", slotid, epid); 1159f1ae32a1SGerd Hoffmann return CC_SUCCESS; 1160f1ae32a1SGerd Hoffmann } 1161f1ae32a1SGerd Hoffmann 1162f1ae32a1SGerd Hoffmann xhci_ep_nuke_xfers(xhci, slotid, epid); 1163f1ae32a1SGerd Hoffmann 1164f1ae32a1SGerd Hoffmann epctx = slot->eps[epid-1]; 1165f1ae32a1SGerd Hoffmann 1166f1ae32a1SGerd Hoffmann xhci_set_ep_state(xhci, epctx, EP_DISABLED); 1167f1ae32a1SGerd Hoffmann 11683d139684SGerd Hoffmann qemu_free_timer(epctx->kick_timer); 1169f1ae32a1SGerd Hoffmann g_free(epctx); 1170f1ae32a1SGerd Hoffmann slot->eps[epid-1] = NULL; 1171f1ae32a1SGerd Hoffmann 1172f1ae32a1SGerd Hoffmann return CC_SUCCESS; 1173f1ae32a1SGerd Hoffmann } 1174f1ae32a1SGerd Hoffmann 1175f1ae32a1SGerd Hoffmann static TRBCCode xhci_stop_ep(XHCIState *xhci, unsigned int slotid, 1176f1ae32a1SGerd Hoffmann unsigned int epid) 1177f1ae32a1SGerd Hoffmann { 1178f1ae32a1SGerd Hoffmann XHCISlot *slot; 1179f1ae32a1SGerd Hoffmann XHCIEPContext *epctx; 1180f1ae32a1SGerd Hoffmann 1181c1f6b493SGerd Hoffmann trace_usb_xhci_ep_stop(slotid, epid); 1182f1ae32a1SGerd Hoffmann assert(slotid >= 1 && slotid <= MAXSLOTS); 1183f1ae32a1SGerd Hoffmann 1184f1ae32a1SGerd Hoffmann if (epid < 1 || epid > 31) { 1185f1ae32a1SGerd Hoffmann fprintf(stderr, "xhci: bad ep %d\n", epid); 1186f1ae32a1SGerd Hoffmann return CC_TRB_ERROR; 1187f1ae32a1SGerd Hoffmann } 1188f1ae32a1SGerd Hoffmann 1189f1ae32a1SGerd Hoffmann slot = &xhci->slots[slotid-1]; 1190f1ae32a1SGerd Hoffmann 1191f1ae32a1SGerd Hoffmann if (!slot->eps[epid-1]) { 1192f1ae32a1SGerd Hoffmann DPRINTF("xhci: slot %d ep %d not enabled\n", slotid, epid); 1193f1ae32a1SGerd Hoffmann return CC_EP_NOT_ENABLED_ERROR; 1194f1ae32a1SGerd Hoffmann } 1195f1ae32a1SGerd Hoffmann 1196f1ae32a1SGerd Hoffmann if (xhci_ep_nuke_xfers(xhci, slotid, epid) > 0) { 1197f1ae32a1SGerd Hoffmann fprintf(stderr, "xhci: FIXME: endpoint stopped w/ xfers running, " 1198f1ae32a1SGerd Hoffmann "data might be lost\n"); 1199f1ae32a1SGerd Hoffmann } 1200f1ae32a1SGerd Hoffmann 1201f1ae32a1SGerd Hoffmann epctx = slot->eps[epid-1]; 1202f1ae32a1SGerd Hoffmann 1203f1ae32a1SGerd Hoffmann xhci_set_ep_state(xhci, epctx, EP_STOPPED); 1204f1ae32a1SGerd Hoffmann 1205f1ae32a1SGerd Hoffmann return CC_SUCCESS; 1206f1ae32a1SGerd Hoffmann } 1207f1ae32a1SGerd Hoffmann 1208f1ae32a1SGerd Hoffmann static TRBCCode xhci_reset_ep(XHCIState *xhci, unsigned int slotid, 1209f1ae32a1SGerd Hoffmann unsigned int epid) 1210f1ae32a1SGerd Hoffmann { 1211f1ae32a1SGerd Hoffmann XHCISlot *slot; 1212f1ae32a1SGerd Hoffmann XHCIEPContext *epctx; 1213f1ae32a1SGerd Hoffmann USBDevice *dev; 1214f1ae32a1SGerd Hoffmann 1215c1f6b493SGerd Hoffmann trace_usb_xhci_ep_reset(slotid, epid); 1216f1ae32a1SGerd Hoffmann assert(slotid >= 1 && slotid <= MAXSLOTS); 1217f1ae32a1SGerd Hoffmann 1218f1ae32a1SGerd Hoffmann if (epid < 1 || epid > 31) { 1219f1ae32a1SGerd Hoffmann fprintf(stderr, "xhci: bad ep %d\n", epid); 1220f1ae32a1SGerd Hoffmann return CC_TRB_ERROR; 1221f1ae32a1SGerd Hoffmann } 1222f1ae32a1SGerd Hoffmann 1223f1ae32a1SGerd Hoffmann slot = &xhci->slots[slotid-1]; 1224f1ae32a1SGerd Hoffmann 1225f1ae32a1SGerd Hoffmann if (!slot->eps[epid-1]) { 1226f1ae32a1SGerd Hoffmann DPRINTF("xhci: slot %d ep %d not enabled\n", slotid, epid); 1227f1ae32a1SGerd Hoffmann return CC_EP_NOT_ENABLED_ERROR; 1228f1ae32a1SGerd Hoffmann } 1229f1ae32a1SGerd Hoffmann 1230f1ae32a1SGerd Hoffmann epctx = slot->eps[epid-1]; 1231f1ae32a1SGerd Hoffmann 1232f1ae32a1SGerd Hoffmann if (epctx->state != EP_HALTED) { 1233f1ae32a1SGerd Hoffmann fprintf(stderr, "xhci: reset EP while EP %d not halted (%d)\n", 1234f1ae32a1SGerd Hoffmann epid, epctx->state); 1235f1ae32a1SGerd Hoffmann return CC_CONTEXT_STATE_ERROR; 1236f1ae32a1SGerd Hoffmann } 1237f1ae32a1SGerd Hoffmann 1238f1ae32a1SGerd Hoffmann if (xhci_ep_nuke_xfers(xhci, slotid, epid) > 0) { 1239f1ae32a1SGerd Hoffmann fprintf(stderr, "xhci: FIXME: endpoint reset w/ xfers running, " 1240f1ae32a1SGerd Hoffmann "data might be lost\n"); 1241f1ae32a1SGerd Hoffmann } 1242f1ae32a1SGerd Hoffmann 1243f1ae32a1SGerd Hoffmann uint8_t ep = epid>>1; 1244f1ae32a1SGerd Hoffmann 1245f1ae32a1SGerd Hoffmann if (epid & 1) { 1246f1ae32a1SGerd Hoffmann ep |= 0x80; 1247f1ae32a1SGerd Hoffmann } 1248f1ae32a1SGerd Hoffmann 1249ccaf87a0SGerd Hoffmann dev = xhci->slots[slotid-1].uport->dev; 1250f1ae32a1SGerd Hoffmann if (!dev) { 1251f1ae32a1SGerd Hoffmann return CC_USB_TRANSACTION_ERROR; 1252f1ae32a1SGerd Hoffmann } 1253f1ae32a1SGerd Hoffmann 1254f1ae32a1SGerd Hoffmann xhci_set_ep_state(xhci, epctx, EP_STOPPED); 1255f1ae32a1SGerd Hoffmann 1256f1ae32a1SGerd Hoffmann return CC_SUCCESS; 1257f1ae32a1SGerd Hoffmann } 1258f1ae32a1SGerd Hoffmann 1259f1ae32a1SGerd Hoffmann static TRBCCode xhci_set_ep_dequeue(XHCIState *xhci, unsigned int slotid, 1260f1ae32a1SGerd Hoffmann unsigned int epid, uint64_t pdequeue) 1261f1ae32a1SGerd Hoffmann { 1262f1ae32a1SGerd Hoffmann XHCISlot *slot; 1263f1ae32a1SGerd Hoffmann XHCIEPContext *epctx; 126459a70ccdSDavid Gibson dma_addr_t dequeue; 1265f1ae32a1SGerd Hoffmann 1266f1ae32a1SGerd Hoffmann assert(slotid >= 1 && slotid <= MAXSLOTS); 1267f1ae32a1SGerd Hoffmann 1268f1ae32a1SGerd Hoffmann if (epid < 1 || epid > 31) { 1269f1ae32a1SGerd Hoffmann fprintf(stderr, "xhci: bad ep %d\n", epid); 1270f1ae32a1SGerd Hoffmann return CC_TRB_ERROR; 1271f1ae32a1SGerd Hoffmann } 1272f1ae32a1SGerd Hoffmann 1273d829fde9SGerd Hoffmann trace_usb_xhci_ep_set_dequeue(slotid, epid, pdequeue); 1274f1ae32a1SGerd Hoffmann dequeue = xhci_mask64(pdequeue); 1275f1ae32a1SGerd Hoffmann 1276f1ae32a1SGerd Hoffmann slot = &xhci->slots[slotid-1]; 1277f1ae32a1SGerd Hoffmann 1278f1ae32a1SGerd Hoffmann if (!slot->eps[epid-1]) { 1279f1ae32a1SGerd Hoffmann DPRINTF("xhci: slot %d ep %d not enabled\n", slotid, epid); 1280f1ae32a1SGerd Hoffmann return CC_EP_NOT_ENABLED_ERROR; 1281f1ae32a1SGerd Hoffmann } 1282f1ae32a1SGerd Hoffmann 1283f1ae32a1SGerd Hoffmann epctx = slot->eps[epid-1]; 1284f1ae32a1SGerd Hoffmann 1285f1ae32a1SGerd Hoffmann 1286f1ae32a1SGerd Hoffmann if (epctx->state != EP_STOPPED) { 1287f1ae32a1SGerd Hoffmann fprintf(stderr, "xhci: set EP dequeue pointer while EP %d not stopped\n", epid); 1288f1ae32a1SGerd Hoffmann return CC_CONTEXT_STATE_ERROR; 1289f1ae32a1SGerd Hoffmann } 1290f1ae32a1SGerd Hoffmann 1291f1ae32a1SGerd Hoffmann xhci_ring_init(xhci, &epctx->ring, dequeue & ~0xF); 1292f1ae32a1SGerd Hoffmann epctx->ring.ccs = dequeue & 1; 1293f1ae32a1SGerd Hoffmann 1294f1ae32a1SGerd Hoffmann xhci_set_ep_state(xhci, epctx, EP_STOPPED); 1295f1ae32a1SGerd Hoffmann 1296f1ae32a1SGerd Hoffmann return CC_SUCCESS; 1297f1ae32a1SGerd Hoffmann } 1298f1ae32a1SGerd Hoffmann 1299a6fb2ddbSHans de Goede static int xhci_xfer_create_sgl(XHCITransfer *xfer, int in_xfer) 1300f1ae32a1SGerd Hoffmann { 1301f1ae32a1SGerd Hoffmann XHCIState *xhci = xfer->xhci; 1302d5a15814SGerd Hoffmann int i; 1303f1ae32a1SGerd Hoffmann 1304a6fb2ddbSHans de Goede xfer->int_req = false; 1305d5a15814SGerd Hoffmann pci_dma_sglist_init(&xfer->sgl, &xhci->pci_dev, xfer->trb_count); 1306f1ae32a1SGerd Hoffmann for (i = 0; i < xfer->trb_count; i++) { 1307f1ae32a1SGerd Hoffmann XHCITRB *trb = &xfer->trbs[i]; 130859a70ccdSDavid Gibson dma_addr_t addr; 1309f1ae32a1SGerd Hoffmann unsigned int chunk = 0; 1310f1ae32a1SGerd Hoffmann 1311a6fb2ddbSHans de Goede if (trb->control & TRB_TR_IOC) { 1312a6fb2ddbSHans de Goede xfer->int_req = true; 1313a6fb2ddbSHans de Goede } 1314a6fb2ddbSHans de Goede 1315f1ae32a1SGerd Hoffmann switch (TRB_TYPE(*trb)) { 1316f1ae32a1SGerd Hoffmann case TR_DATA: 1317f1ae32a1SGerd Hoffmann if ((!(trb->control & TRB_TR_DIR)) != (!in_xfer)) { 1318f1ae32a1SGerd Hoffmann fprintf(stderr, "xhci: data direction mismatch for TR_DATA\n"); 1319d5a15814SGerd Hoffmann goto err; 1320f1ae32a1SGerd Hoffmann } 1321f1ae32a1SGerd Hoffmann /* fallthrough */ 1322f1ae32a1SGerd Hoffmann case TR_NORMAL: 1323f1ae32a1SGerd Hoffmann case TR_ISOCH: 1324f1ae32a1SGerd Hoffmann addr = xhci_mask64(trb->parameter); 1325f1ae32a1SGerd Hoffmann chunk = trb->status & 0x1ffff; 1326f1ae32a1SGerd Hoffmann if (trb->control & TRB_TR_IDT) { 1327f1ae32a1SGerd Hoffmann if (chunk > 8 || in_xfer) { 1328f1ae32a1SGerd Hoffmann fprintf(stderr, "xhci: invalid immediate data TRB\n"); 1329d5a15814SGerd Hoffmann goto err; 1330d5a15814SGerd Hoffmann } 1331d5a15814SGerd Hoffmann qemu_sglist_add(&xfer->sgl, trb->addr, chunk); 1332d5a15814SGerd Hoffmann } else { 1333d5a15814SGerd Hoffmann qemu_sglist_add(&xfer->sgl, addr, chunk); 1334d5a15814SGerd Hoffmann } 1335d5a15814SGerd Hoffmann break; 1336d5a15814SGerd Hoffmann } 1337d5a15814SGerd Hoffmann } 1338d5a15814SGerd Hoffmann 1339d5a15814SGerd Hoffmann return 0; 1340d5a15814SGerd Hoffmann 1341d5a15814SGerd Hoffmann err: 1342d5a15814SGerd Hoffmann qemu_sglist_destroy(&xfer->sgl); 1343f1ae32a1SGerd Hoffmann xhci_die(xhci); 1344d5a15814SGerd Hoffmann return -1; 1345f1ae32a1SGerd Hoffmann } 1346d5a15814SGerd Hoffmann 1347d5a15814SGerd Hoffmann static void xhci_xfer_unmap(XHCITransfer *xfer) 1348d5a15814SGerd Hoffmann { 1349d5a15814SGerd Hoffmann usb_packet_unmap(&xfer->packet, &xfer->sgl); 1350d5a15814SGerd Hoffmann qemu_sglist_destroy(&xfer->sgl); 1351f1ae32a1SGerd Hoffmann } 1352d5a15814SGerd Hoffmann 1353d5a15814SGerd Hoffmann static void xhci_xfer_report(XHCITransfer *xfer) 1354d5a15814SGerd Hoffmann { 1355d5a15814SGerd Hoffmann uint32_t edtla = 0; 1356d5a15814SGerd Hoffmann unsigned int left; 1357d5a15814SGerd Hoffmann bool reported = 0; 1358d5a15814SGerd Hoffmann bool shortpkt = 0; 1359d5a15814SGerd Hoffmann XHCIEvent event = {ER_TRANSFER, CC_SUCCESS}; 1360d5a15814SGerd Hoffmann XHCIState *xhci = xfer->xhci; 1361f1ae32a1SGerd Hoffmann int i; 1362d5a15814SGerd Hoffmann 1363d5a15814SGerd Hoffmann left = xfer->packet.result < 0 ? 0 : xfer->packet.result; 1364d5a15814SGerd Hoffmann 1365d5a15814SGerd Hoffmann for (i = 0; i < xfer->trb_count; i++) { 1366d5a15814SGerd Hoffmann XHCITRB *trb = &xfer->trbs[i]; 1367d5a15814SGerd Hoffmann unsigned int chunk = 0; 1368d5a15814SGerd Hoffmann 1369d5a15814SGerd Hoffmann switch (TRB_TYPE(*trb)) { 1370d5a15814SGerd Hoffmann case TR_DATA: 1371d5a15814SGerd Hoffmann case TR_NORMAL: 1372d5a15814SGerd Hoffmann case TR_ISOCH: 1373d5a15814SGerd Hoffmann chunk = trb->status & 0x1ffff; 1374d5a15814SGerd Hoffmann if (chunk > left) { 1375d5a15814SGerd Hoffmann chunk = left; 1376d5a15814SGerd Hoffmann if (xfer->status == CC_SUCCESS) { 1377d5a15814SGerd Hoffmann shortpkt = 1; 1378f1ae32a1SGerd Hoffmann } 1379f1ae32a1SGerd Hoffmann } 1380f1ae32a1SGerd Hoffmann left -= chunk; 1381f1ae32a1SGerd Hoffmann edtla += chunk; 1382f1ae32a1SGerd Hoffmann break; 1383f1ae32a1SGerd Hoffmann case TR_STATUS: 1384f1ae32a1SGerd Hoffmann reported = 0; 1385f1ae32a1SGerd Hoffmann shortpkt = 0; 1386f1ae32a1SGerd Hoffmann break; 1387f1ae32a1SGerd Hoffmann } 1388f1ae32a1SGerd Hoffmann 1389d5a15814SGerd Hoffmann if (!reported && ((trb->control & TRB_TR_IOC) || 1390d5a15814SGerd Hoffmann (shortpkt && (trb->control & TRB_TR_ISP)) || 1391d5a15814SGerd Hoffmann (xfer->status != CC_SUCCESS))) { 1392f1ae32a1SGerd Hoffmann event.slotid = xfer->slotid; 1393f1ae32a1SGerd Hoffmann event.epid = xfer->epid; 1394f1ae32a1SGerd Hoffmann event.length = (trb->status & 0x1ffff) - chunk; 1395f1ae32a1SGerd Hoffmann event.flags = 0; 1396f1ae32a1SGerd Hoffmann event.ptr = trb->addr; 1397f1ae32a1SGerd Hoffmann if (xfer->status == CC_SUCCESS) { 1398f1ae32a1SGerd Hoffmann event.ccode = shortpkt ? CC_SHORT_PACKET : CC_SUCCESS; 1399f1ae32a1SGerd Hoffmann } else { 1400f1ae32a1SGerd Hoffmann event.ccode = xfer->status; 1401f1ae32a1SGerd Hoffmann } 1402f1ae32a1SGerd Hoffmann if (TRB_TYPE(*trb) == TR_EVDATA) { 1403f1ae32a1SGerd Hoffmann event.ptr = trb->parameter; 1404f1ae32a1SGerd Hoffmann event.flags |= TRB_EV_ED; 1405f1ae32a1SGerd Hoffmann event.length = edtla & 0xffffff; 1406f1ae32a1SGerd Hoffmann DPRINTF("xhci_xfer_data: EDTLA=%d\n", event.length); 1407f1ae32a1SGerd Hoffmann edtla = 0; 1408f1ae32a1SGerd Hoffmann } 14092d1de850SGerd Hoffmann xhci_event(xhci, &event, TRB_INTR(*trb)); 1410f1ae32a1SGerd Hoffmann reported = 1; 1411d5a15814SGerd Hoffmann if (xfer->status != CC_SUCCESS) { 1412d5a15814SGerd Hoffmann return; 1413f1ae32a1SGerd Hoffmann } 1414f1ae32a1SGerd Hoffmann } 1415d5a15814SGerd Hoffmann } 1416f1ae32a1SGerd Hoffmann } 1417f1ae32a1SGerd Hoffmann 1418f1ae32a1SGerd Hoffmann static void xhci_stall_ep(XHCITransfer *xfer) 1419f1ae32a1SGerd Hoffmann { 1420f1ae32a1SGerd Hoffmann XHCIState *xhci = xfer->xhci; 1421f1ae32a1SGerd Hoffmann XHCISlot *slot = &xhci->slots[xfer->slotid-1]; 1422f1ae32a1SGerd Hoffmann XHCIEPContext *epctx = slot->eps[xfer->epid-1]; 1423f1ae32a1SGerd Hoffmann 1424f1ae32a1SGerd Hoffmann epctx->ring.dequeue = xfer->trbs[0].addr; 1425f1ae32a1SGerd Hoffmann epctx->ring.ccs = xfer->trbs[0].ccs; 1426f1ae32a1SGerd Hoffmann xhci_set_ep_state(xhci, epctx, EP_HALTED); 1427f1ae32a1SGerd Hoffmann DPRINTF("xhci: stalled slot %d ep %d\n", xfer->slotid, xfer->epid); 142859a70ccdSDavid Gibson DPRINTF("xhci: will continue at "DMA_ADDR_FMT"\n", epctx->ring.dequeue); 1429f1ae32a1SGerd Hoffmann } 1430f1ae32a1SGerd Hoffmann 1431f1ae32a1SGerd Hoffmann static int xhci_submit(XHCIState *xhci, XHCITransfer *xfer, 1432f1ae32a1SGerd Hoffmann XHCIEPContext *epctx); 1433f1ae32a1SGerd Hoffmann 14345c08106fSGerd Hoffmann static int xhci_setup_packet(XHCITransfer *xfer) 14355c08106fSGerd Hoffmann { 14365c08106fSGerd Hoffmann XHCIState *xhci = xfer->xhci; 14375c08106fSGerd Hoffmann USBDevice *dev; 1438f1ae32a1SGerd Hoffmann USBEndpoint *ep; 1439f1ae32a1SGerd Hoffmann int dir; 1440f1ae32a1SGerd Hoffmann 1441f1ae32a1SGerd Hoffmann dir = xfer->in_xfer ? USB_TOKEN_IN : USB_TOKEN_OUT; 14425c08106fSGerd Hoffmann 14435c08106fSGerd Hoffmann if (xfer->packet.ep) { 14445c08106fSGerd Hoffmann ep = xfer->packet.ep; 14455c08106fSGerd Hoffmann dev = ep->dev; 14465c08106fSGerd Hoffmann } else { 1447ccaf87a0SGerd Hoffmann if (!xhci->slots[xfer->slotid-1].uport) { 1448ccaf87a0SGerd Hoffmann fprintf(stderr, "xhci: slot %d has no device\n", 1449ccaf87a0SGerd Hoffmann xfer->slotid); 14505c08106fSGerd Hoffmann return -1; 14515c08106fSGerd Hoffmann } 1452ccaf87a0SGerd Hoffmann dev = xhci->slots[xfer->slotid-1].uport->dev; 1453f1ae32a1SGerd Hoffmann ep = usb_ep_get(dev, dir, xfer->epid >> 1); 14545c08106fSGerd Hoffmann } 14555c08106fSGerd Hoffmann 1456a6fb2ddbSHans de Goede xhci_xfer_create_sgl(xfer, dir == USB_TOKEN_IN); /* Also sets int_req */ 1457a6fb2ddbSHans de Goede usb_packet_setup(&xfer->packet, dir, ep, xfer->trbs[0].addr, false, 1458a6fb2ddbSHans de Goede xfer->int_req); 1459a6fb2ddbSHans de Goede usb_packet_map(&xfer->packet, &xfer->sgl); 1460f1ae32a1SGerd Hoffmann DPRINTF("xhci: setup packet pid 0x%x addr %d ep %d\n", 1461f1ae32a1SGerd Hoffmann xfer->packet.pid, dev->addr, ep->nr); 1462f1ae32a1SGerd Hoffmann return 0; 1463f1ae32a1SGerd Hoffmann } 1464f1ae32a1SGerd Hoffmann 1465f1ae32a1SGerd Hoffmann static int xhci_complete_packet(XHCITransfer *xfer, int ret) 1466f1ae32a1SGerd Hoffmann { 1467f1ae32a1SGerd Hoffmann if (ret == USB_RET_ASYNC) { 146897df650bSGerd Hoffmann trace_usb_xhci_xfer_async(xfer); 1469f1ae32a1SGerd Hoffmann xfer->running_async = 1; 1470f1ae32a1SGerd Hoffmann xfer->running_retry = 0; 1471f1ae32a1SGerd Hoffmann xfer->complete = 0; 1472f1ae32a1SGerd Hoffmann xfer->cancelled = 0; 1473f1ae32a1SGerd Hoffmann return 0; 1474f1ae32a1SGerd Hoffmann } else if (ret == USB_RET_NAK) { 147597df650bSGerd Hoffmann trace_usb_xhci_xfer_nak(xfer); 1476f1ae32a1SGerd Hoffmann xfer->running_async = 0; 1477f1ae32a1SGerd Hoffmann xfer->running_retry = 1; 1478f1ae32a1SGerd Hoffmann xfer->complete = 0; 1479f1ae32a1SGerd Hoffmann xfer->cancelled = 0; 1480f1ae32a1SGerd Hoffmann return 0; 1481f1ae32a1SGerd Hoffmann } else { 1482f1ae32a1SGerd Hoffmann xfer->running_async = 0; 1483f1ae32a1SGerd Hoffmann xfer->running_retry = 0; 1484f1ae32a1SGerd Hoffmann xfer->complete = 1; 1485d5a15814SGerd Hoffmann xhci_xfer_unmap(xfer); 1486f1ae32a1SGerd Hoffmann } 1487f1ae32a1SGerd Hoffmann 1488f1ae32a1SGerd Hoffmann if (ret >= 0) { 148997df650bSGerd Hoffmann trace_usb_xhci_xfer_success(xfer, ret); 1490d5a15814SGerd Hoffmann xfer->status = CC_SUCCESS; 1491d5a15814SGerd Hoffmann xhci_xfer_report(xfer); 1492f1ae32a1SGerd Hoffmann return 0; 1493f1ae32a1SGerd Hoffmann } 1494f1ae32a1SGerd Hoffmann 1495f1ae32a1SGerd Hoffmann /* error */ 149697df650bSGerd Hoffmann trace_usb_xhci_xfer_error(xfer, ret); 1497f1ae32a1SGerd Hoffmann switch (ret) { 1498f1ae32a1SGerd Hoffmann case USB_RET_NODEV: 1499f1ae32a1SGerd Hoffmann xfer->status = CC_USB_TRANSACTION_ERROR; 1500d5a15814SGerd Hoffmann xhci_xfer_report(xfer); 1501f1ae32a1SGerd Hoffmann xhci_stall_ep(xfer); 1502f1ae32a1SGerd Hoffmann break; 1503f1ae32a1SGerd Hoffmann case USB_RET_STALL: 1504f1ae32a1SGerd Hoffmann xfer->status = CC_STALL_ERROR; 1505d5a15814SGerd Hoffmann xhci_xfer_report(xfer); 1506f1ae32a1SGerd Hoffmann xhci_stall_ep(xfer); 1507f1ae32a1SGerd Hoffmann break; 1508f1ae32a1SGerd Hoffmann default: 1509f1ae32a1SGerd Hoffmann fprintf(stderr, "%s: FIXME: ret = %d\n", __FUNCTION__, ret); 1510f1ae32a1SGerd Hoffmann FIXME(); 1511f1ae32a1SGerd Hoffmann } 1512f1ae32a1SGerd Hoffmann return 0; 1513f1ae32a1SGerd Hoffmann } 1514f1ae32a1SGerd Hoffmann 1515f1ae32a1SGerd Hoffmann static int xhci_fire_ctl_transfer(XHCIState *xhci, XHCITransfer *xfer) 1516f1ae32a1SGerd Hoffmann { 1517f1ae32a1SGerd Hoffmann XHCITRB *trb_setup, *trb_status; 1518f1ae32a1SGerd Hoffmann uint8_t bmRequestType; 1519f1ae32a1SGerd Hoffmann int ret; 1520f1ae32a1SGerd Hoffmann 1521f1ae32a1SGerd Hoffmann trb_setup = &xfer->trbs[0]; 1522f1ae32a1SGerd Hoffmann trb_status = &xfer->trbs[xfer->trb_count-1]; 1523f1ae32a1SGerd Hoffmann 1524d5a15814SGerd Hoffmann trace_usb_xhci_xfer_start(xfer, xfer->slotid, xfer->epid); 152597df650bSGerd Hoffmann 1526f1ae32a1SGerd Hoffmann /* at most one Event Data TRB allowed after STATUS */ 1527f1ae32a1SGerd Hoffmann if (TRB_TYPE(*trb_status) == TR_EVDATA && xfer->trb_count > 2) { 1528f1ae32a1SGerd Hoffmann trb_status--; 1529f1ae32a1SGerd Hoffmann } 1530f1ae32a1SGerd Hoffmann 1531f1ae32a1SGerd Hoffmann /* do some sanity checks */ 1532f1ae32a1SGerd Hoffmann if (TRB_TYPE(*trb_setup) != TR_SETUP) { 1533f1ae32a1SGerd Hoffmann fprintf(stderr, "xhci: ep0 first TD not SETUP: %d\n", 1534f1ae32a1SGerd Hoffmann TRB_TYPE(*trb_setup)); 1535f1ae32a1SGerd Hoffmann return -1; 1536f1ae32a1SGerd Hoffmann } 1537f1ae32a1SGerd Hoffmann if (TRB_TYPE(*trb_status) != TR_STATUS) { 1538f1ae32a1SGerd Hoffmann fprintf(stderr, "xhci: ep0 last TD not STATUS: %d\n", 1539f1ae32a1SGerd Hoffmann TRB_TYPE(*trb_status)); 1540f1ae32a1SGerd Hoffmann return -1; 1541f1ae32a1SGerd Hoffmann } 1542f1ae32a1SGerd Hoffmann if (!(trb_setup->control & TRB_TR_IDT)) { 1543f1ae32a1SGerd Hoffmann fprintf(stderr, "xhci: Setup TRB doesn't have IDT set\n"); 1544f1ae32a1SGerd Hoffmann return -1; 1545f1ae32a1SGerd Hoffmann } 1546f1ae32a1SGerd Hoffmann if ((trb_setup->status & 0x1ffff) != 8) { 1547f1ae32a1SGerd Hoffmann fprintf(stderr, "xhci: Setup TRB has bad length (%d)\n", 1548f1ae32a1SGerd Hoffmann (trb_setup->status & 0x1ffff)); 1549f1ae32a1SGerd Hoffmann return -1; 1550f1ae32a1SGerd Hoffmann } 1551f1ae32a1SGerd Hoffmann 1552f1ae32a1SGerd Hoffmann bmRequestType = trb_setup->parameter; 1553f1ae32a1SGerd Hoffmann 1554f1ae32a1SGerd Hoffmann xfer->in_xfer = bmRequestType & USB_DIR_IN; 1555f1ae32a1SGerd Hoffmann xfer->iso_xfer = false; 1556f1ae32a1SGerd Hoffmann 15575c08106fSGerd Hoffmann if (xhci_setup_packet(xfer) < 0) { 15585c08106fSGerd Hoffmann return -1; 15595c08106fSGerd Hoffmann } 1560f1ae32a1SGerd Hoffmann xfer->packet.parameter = trb_setup->parameter; 1561f1ae32a1SGerd Hoffmann 15625c08106fSGerd Hoffmann ret = usb_handle_packet(xfer->packet.ep->dev, &xfer->packet); 1563f1ae32a1SGerd Hoffmann 1564f1ae32a1SGerd Hoffmann xhci_complete_packet(xfer, ret); 1565f1ae32a1SGerd Hoffmann if (!xfer->running_async && !xfer->running_retry) { 1566f1ae32a1SGerd Hoffmann xhci_kick_ep(xhci, xfer->slotid, xfer->epid); 1567f1ae32a1SGerd Hoffmann } 1568f1ae32a1SGerd Hoffmann return 0; 1569f1ae32a1SGerd Hoffmann } 1570f1ae32a1SGerd Hoffmann 15713d139684SGerd Hoffmann static void xhci_calc_iso_kick(XHCIState *xhci, XHCITransfer *xfer, 15723d139684SGerd Hoffmann XHCIEPContext *epctx, uint64_t mfindex) 15733d139684SGerd Hoffmann { 15743d139684SGerd Hoffmann if (xfer->trbs[0].control & TRB_TR_SIA) { 15753d139684SGerd Hoffmann uint64_t asap = ((mfindex + epctx->interval - 1) & 15763d139684SGerd Hoffmann ~(epctx->interval-1)); 15773d139684SGerd Hoffmann if (asap >= epctx->mfindex_last && 15783d139684SGerd Hoffmann asap <= epctx->mfindex_last + epctx->interval * 4) { 15793d139684SGerd Hoffmann xfer->mfindex_kick = epctx->mfindex_last + epctx->interval; 15803d139684SGerd Hoffmann } else { 15813d139684SGerd Hoffmann xfer->mfindex_kick = asap; 15823d139684SGerd Hoffmann } 15833d139684SGerd Hoffmann } else { 15843d139684SGerd Hoffmann xfer->mfindex_kick = (xfer->trbs[0].control >> TRB_TR_FRAMEID_SHIFT) 15853d139684SGerd Hoffmann & TRB_TR_FRAMEID_MASK; 15863d139684SGerd Hoffmann xfer->mfindex_kick |= mfindex & ~0x3fff; 15873d139684SGerd Hoffmann if (xfer->mfindex_kick < mfindex) { 15883d139684SGerd Hoffmann xfer->mfindex_kick += 0x4000; 15893d139684SGerd Hoffmann } 15903d139684SGerd Hoffmann } 15913d139684SGerd Hoffmann } 15923d139684SGerd Hoffmann 15933d139684SGerd Hoffmann static void xhci_check_iso_kick(XHCIState *xhci, XHCITransfer *xfer, 15943d139684SGerd Hoffmann XHCIEPContext *epctx, uint64_t mfindex) 15953d139684SGerd Hoffmann { 15963d139684SGerd Hoffmann if (xfer->mfindex_kick > mfindex) { 15973d139684SGerd Hoffmann qemu_mod_timer(epctx->kick_timer, qemu_get_clock_ns(vm_clock) + 15983d139684SGerd Hoffmann (xfer->mfindex_kick - mfindex) * 125000); 15993d139684SGerd Hoffmann xfer->running_retry = 1; 16003d139684SGerd Hoffmann } else { 16013d139684SGerd Hoffmann epctx->mfindex_last = xfer->mfindex_kick; 16023d139684SGerd Hoffmann qemu_del_timer(epctx->kick_timer); 16033d139684SGerd Hoffmann xfer->running_retry = 0; 16043d139684SGerd Hoffmann } 16053d139684SGerd Hoffmann } 16063d139684SGerd Hoffmann 16073d139684SGerd Hoffmann 1608f1ae32a1SGerd Hoffmann static int xhci_submit(XHCIState *xhci, XHCITransfer *xfer, XHCIEPContext *epctx) 1609f1ae32a1SGerd Hoffmann { 16103d139684SGerd Hoffmann uint64_t mfindex; 1611f1ae32a1SGerd Hoffmann int ret; 1612f1ae32a1SGerd Hoffmann 1613f1ae32a1SGerd Hoffmann DPRINTF("xhci_submit(slotid=%d,epid=%d)\n", xfer->slotid, xfer->epid); 1614f1ae32a1SGerd Hoffmann 1615f1ae32a1SGerd Hoffmann xfer->in_xfer = epctx->type>>2; 1616f1ae32a1SGerd Hoffmann 1617f1ae32a1SGerd Hoffmann switch(epctx->type) { 1618f1ae32a1SGerd Hoffmann case ET_INTR_OUT: 1619f1ae32a1SGerd Hoffmann case ET_INTR_IN: 1620f1ae32a1SGerd Hoffmann case ET_BULK_OUT: 1621f1ae32a1SGerd Hoffmann case ET_BULK_IN: 16223d139684SGerd Hoffmann xfer->pkts = 0; 16233d139684SGerd Hoffmann xfer->iso_xfer = false; 1624f1ae32a1SGerd Hoffmann break; 1625f1ae32a1SGerd Hoffmann case ET_ISO_OUT: 1626f1ae32a1SGerd Hoffmann case ET_ISO_IN: 16273d139684SGerd Hoffmann xfer->pkts = 1; 16283d139684SGerd Hoffmann xfer->iso_xfer = true; 16293d139684SGerd Hoffmann mfindex = xhci_mfindex_get(xhci); 16303d139684SGerd Hoffmann xhci_calc_iso_kick(xhci, xfer, epctx, mfindex); 16313d139684SGerd Hoffmann xhci_check_iso_kick(xhci, xfer, epctx, mfindex); 16323d139684SGerd Hoffmann if (xfer->running_retry) { 16333d139684SGerd Hoffmann return -1; 16343d139684SGerd Hoffmann } 1635f1ae32a1SGerd Hoffmann break; 1636f1ae32a1SGerd Hoffmann default: 1637f1ae32a1SGerd Hoffmann fprintf(stderr, "xhci: unknown or unhandled EP " 1638f1ae32a1SGerd Hoffmann "(type %d, in %d, ep %02x)\n", 1639f1ae32a1SGerd Hoffmann epctx->type, xfer->in_xfer, xfer->epid); 1640f1ae32a1SGerd Hoffmann return -1; 1641f1ae32a1SGerd Hoffmann } 1642f1ae32a1SGerd Hoffmann 16435c08106fSGerd Hoffmann if (xhci_setup_packet(xfer) < 0) { 16445c08106fSGerd Hoffmann return -1; 16455c08106fSGerd Hoffmann } 16465c08106fSGerd Hoffmann ret = usb_handle_packet(xfer->packet.ep->dev, &xfer->packet); 1647f1ae32a1SGerd Hoffmann 1648f1ae32a1SGerd Hoffmann xhci_complete_packet(xfer, ret); 1649f1ae32a1SGerd Hoffmann if (!xfer->running_async && !xfer->running_retry) { 1650f1ae32a1SGerd Hoffmann xhci_kick_ep(xhci, xfer->slotid, xfer->epid); 1651f1ae32a1SGerd Hoffmann } 1652f1ae32a1SGerd Hoffmann return 0; 1653f1ae32a1SGerd Hoffmann } 1654f1ae32a1SGerd Hoffmann 1655f1ae32a1SGerd Hoffmann static int xhci_fire_transfer(XHCIState *xhci, XHCITransfer *xfer, XHCIEPContext *epctx) 1656f1ae32a1SGerd Hoffmann { 1657d5a15814SGerd Hoffmann trace_usb_xhci_xfer_start(xfer, xfer->slotid, xfer->epid); 1658f1ae32a1SGerd Hoffmann return xhci_submit(xhci, xfer, epctx); 1659f1ae32a1SGerd Hoffmann } 1660f1ae32a1SGerd Hoffmann 1661f1ae32a1SGerd Hoffmann static void xhci_kick_ep(XHCIState *xhci, unsigned int slotid, unsigned int epid) 1662f1ae32a1SGerd Hoffmann { 1663f1ae32a1SGerd Hoffmann XHCIEPContext *epctx; 166436dfe324SHans de Goede USBEndpoint *ep = NULL; 16653d139684SGerd Hoffmann uint64_t mfindex; 1666f1ae32a1SGerd Hoffmann int length; 1667f1ae32a1SGerd Hoffmann int i; 1668f1ae32a1SGerd Hoffmann 1669c1f6b493SGerd Hoffmann trace_usb_xhci_ep_kick(slotid, epid); 1670f1ae32a1SGerd Hoffmann assert(slotid >= 1 && slotid <= MAXSLOTS); 1671f1ae32a1SGerd Hoffmann assert(epid >= 1 && epid <= 31); 1672f1ae32a1SGerd Hoffmann 1673f1ae32a1SGerd Hoffmann if (!xhci->slots[slotid-1].enabled) { 1674f1ae32a1SGerd Hoffmann fprintf(stderr, "xhci: xhci_kick_ep for disabled slot %d\n", slotid); 1675f1ae32a1SGerd Hoffmann return; 1676f1ae32a1SGerd Hoffmann } 1677f1ae32a1SGerd Hoffmann epctx = xhci->slots[slotid-1].eps[epid-1]; 1678f1ae32a1SGerd Hoffmann if (!epctx) { 1679f1ae32a1SGerd Hoffmann fprintf(stderr, "xhci: xhci_kick_ep for disabled endpoint %d,%d\n", 1680f1ae32a1SGerd Hoffmann epid, slotid); 1681f1ae32a1SGerd Hoffmann return; 1682f1ae32a1SGerd Hoffmann } 1683f1ae32a1SGerd Hoffmann 1684f1ae32a1SGerd Hoffmann if (epctx->retry) { 1685f1ae32a1SGerd Hoffmann XHCITransfer *xfer = epctx->retry; 1686f1ae32a1SGerd Hoffmann int result; 1687f1ae32a1SGerd Hoffmann 168897df650bSGerd Hoffmann trace_usb_xhci_xfer_retry(xfer); 1689f1ae32a1SGerd Hoffmann assert(xfer->running_retry); 16903d139684SGerd Hoffmann if (xfer->iso_xfer) { 16913d139684SGerd Hoffmann /* retry delayed iso transfer */ 16923d139684SGerd Hoffmann mfindex = xhci_mfindex_get(xhci); 16933d139684SGerd Hoffmann xhci_check_iso_kick(xhci, xfer, epctx, mfindex); 16943d139684SGerd Hoffmann if (xfer->running_retry) { 16953d139684SGerd Hoffmann return; 16963d139684SGerd Hoffmann } 16973d139684SGerd Hoffmann if (xhci_setup_packet(xfer) < 0) { 16983d139684SGerd Hoffmann return; 16993d139684SGerd Hoffmann } 17003d139684SGerd Hoffmann result = usb_handle_packet(xfer->packet.ep->dev, &xfer->packet); 17013d139684SGerd Hoffmann assert(result != USB_RET_NAK); 17023d139684SGerd Hoffmann xhci_complete_packet(xfer, result); 17033d139684SGerd Hoffmann } else { 17043d139684SGerd Hoffmann /* retry nak'ed transfer */ 17055c08106fSGerd Hoffmann if (xhci_setup_packet(xfer) < 0) { 17065c08106fSGerd Hoffmann return; 17075c08106fSGerd Hoffmann } 1708f1ae32a1SGerd Hoffmann result = usb_handle_packet(xfer->packet.ep->dev, &xfer->packet); 1709f1ae32a1SGerd Hoffmann if (result == USB_RET_NAK) { 1710f1ae32a1SGerd Hoffmann return; 1711f1ae32a1SGerd Hoffmann } 1712f1ae32a1SGerd Hoffmann xhci_complete_packet(xfer, result); 17133d139684SGerd Hoffmann } 1714f1ae32a1SGerd Hoffmann assert(!xfer->running_retry); 1715f1ae32a1SGerd Hoffmann epctx->retry = NULL; 1716f1ae32a1SGerd Hoffmann } 1717f1ae32a1SGerd Hoffmann 1718f1ae32a1SGerd Hoffmann if (epctx->state == EP_HALTED) { 1719f1ae32a1SGerd Hoffmann DPRINTF("xhci: ep halted, not running schedule\n"); 1720f1ae32a1SGerd Hoffmann return; 1721f1ae32a1SGerd Hoffmann } 1722f1ae32a1SGerd Hoffmann 1723f1ae32a1SGerd Hoffmann xhci_set_ep_state(xhci, epctx, EP_RUNNING); 1724f1ae32a1SGerd Hoffmann 1725f1ae32a1SGerd Hoffmann while (1) { 1726f1ae32a1SGerd Hoffmann XHCITransfer *xfer = &epctx->transfers[epctx->next_xfer]; 1727331e9406SGerd Hoffmann if (xfer->running_async || xfer->running_retry) { 1728f1ae32a1SGerd Hoffmann break; 1729f1ae32a1SGerd Hoffmann } 1730f1ae32a1SGerd Hoffmann length = xhci_ring_chain_length(xhci, &epctx->ring); 1731f1ae32a1SGerd Hoffmann if (length < 0) { 1732f1ae32a1SGerd Hoffmann break; 1733f1ae32a1SGerd Hoffmann } else if (length == 0) { 1734f1ae32a1SGerd Hoffmann break; 1735f1ae32a1SGerd Hoffmann } 1736f1ae32a1SGerd Hoffmann if (xfer->trbs && xfer->trb_alloced < length) { 1737f1ae32a1SGerd Hoffmann xfer->trb_count = 0; 1738f1ae32a1SGerd Hoffmann xfer->trb_alloced = 0; 1739f1ae32a1SGerd Hoffmann g_free(xfer->trbs); 1740f1ae32a1SGerd Hoffmann xfer->trbs = NULL; 1741f1ae32a1SGerd Hoffmann } 1742f1ae32a1SGerd Hoffmann if (!xfer->trbs) { 1743f1ae32a1SGerd Hoffmann xfer->trbs = g_malloc(sizeof(XHCITRB) * length); 1744f1ae32a1SGerd Hoffmann xfer->trb_alloced = length; 1745f1ae32a1SGerd Hoffmann } 1746f1ae32a1SGerd Hoffmann xfer->trb_count = length; 1747f1ae32a1SGerd Hoffmann 1748f1ae32a1SGerd Hoffmann for (i = 0; i < length; i++) { 1749f1ae32a1SGerd Hoffmann assert(xhci_ring_fetch(xhci, &epctx->ring, &xfer->trbs[i], NULL)); 1750f1ae32a1SGerd Hoffmann } 1751f1ae32a1SGerd Hoffmann xfer->xhci = xhci; 1752f1ae32a1SGerd Hoffmann xfer->epid = epid; 1753f1ae32a1SGerd Hoffmann xfer->slotid = slotid; 1754f1ae32a1SGerd Hoffmann 1755f1ae32a1SGerd Hoffmann if (epid == 1) { 1756f1ae32a1SGerd Hoffmann if (xhci_fire_ctl_transfer(xhci, xfer) >= 0) { 1757f1ae32a1SGerd Hoffmann epctx->next_xfer = (epctx->next_xfer + 1) % TD_QUEUE; 175836dfe324SHans de Goede ep = xfer->packet.ep; 1759f1ae32a1SGerd Hoffmann } else { 1760f1ae32a1SGerd Hoffmann fprintf(stderr, "xhci: error firing CTL transfer\n"); 1761f1ae32a1SGerd Hoffmann } 1762f1ae32a1SGerd Hoffmann } else { 1763f1ae32a1SGerd Hoffmann if (xhci_fire_transfer(xhci, xfer, epctx) >= 0) { 1764f1ae32a1SGerd Hoffmann epctx->next_xfer = (epctx->next_xfer + 1) % TD_QUEUE; 176536dfe324SHans de Goede ep = xfer->packet.ep; 1766f1ae32a1SGerd Hoffmann } else { 17673d139684SGerd Hoffmann if (!xfer->iso_xfer) { 1768f1ae32a1SGerd Hoffmann fprintf(stderr, "xhci: error firing data transfer\n"); 1769f1ae32a1SGerd Hoffmann } 1770f1ae32a1SGerd Hoffmann } 17713d139684SGerd Hoffmann } 1772f1ae32a1SGerd Hoffmann 1773f1ae32a1SGerd Hoffmann if (epctx->state == EP_HALTED) { 1774f1ae32a1SGerd Hoffmann break; 1775f1ae32a1SGerd Hoffmann } 1776f1ae32a1SGerd Hoffmann if (xfer->running_retry) { 1777f1ae32a1SGerd Hoffmann DPRINTF("xhci: xfer nacked, stopping schedule\n"); 1778f1ae32a1SGerd Hoffmann epctx->retry = xfer; 1779f1ae32a1SGerd Hoffmann break; 1780f1ae32a1SGerd Hoffmann } 1781f1ae32a1SGerd Hoffmann } 178236dfe324SHans de Goede if (ep) { 178336dfe324SHans de Goede usb_device_flush_ep_queue(ep->dev, ep); 178436dfe324SHans de Goede } 1785f1ae32a1SGerd Hoffmann } 1786f1ae32a1SGerd Hoffmann 1787f1ae32a1SGerd Hoffmann static TRBCCode xhci_enable_slot(XHCIState *xhci, unsigned int slotid) 1788f1ae32a1SGerd Hoffmann { 1789348f1037SGerd Hoffmann trace_usb_xhci_slot_enable(slotid); 1790f1ae32a1SGerd Hoffmann assert(slotid >= 1 && slotid <= MAXSLOTS); 1791f1ae32a1SGerd Hoffmann xhci->slots[slotid-1].enabled = 1; 1792ccaf87a0SGerd Hoffmann xhci->slots[slotid-1].uport = NULL; 1793f1ae32a1SGerd Hoffmann memset(xhci->slots[slotid-1].eps, 0, sizeof(XHCIEPContext*)*31); 1794f1ae32a1SGerd Hoffmann 1795f1ae32a1SGerd Hoffmann return CC_SUCCESS; 1796f1ae32a1SGerd Hoffmann } 1797f1ae32a1SGerd Hoffmann 1798f1ae32a1SGerd Hoffmann static TRBCCode xhci_disable_slot(XHCIState *xhci, unsigned int slotid) 1799f1ae32a1SGerd Hoffmann { 1800f1ae32a1SGerd Hoffmann int i; 1801f1ae32a1SGerd Hoffmann 1802348f1037SGerd Hoffmann trace_usb_xhci_slot_disable(slotid); 1803f1ae32a1SGerd Hoffmann assert(slotid >= 1 && slotid <= MAXSLOTS); 1804f1ae32a1SGerd Hoffmann 1805f1ae32a1SGerd Hoffmann for (i = 1; i <= 31; i++) { 1806f1ae32a1SGerd Hoffmann if (xhci->slots[slotid-1].eps[i-1]) { 1807f1ae32a1SGerd Hoffmann xhci_disable_ep(xhci, slotid, i); 1808f1ae32a1SGerd Hoffmann } 1809f1ae32a1SGerd Hoffmann } 1810f1ae32a1SGerd Hoffmann 1811f1ae32a1SGerd Hoffmann xhci->slots[slotid-1].enabled = 0; 1812f1ae32a1SGerd Hoffmann return CC_SUCCESS; 1813f1ae32a1SGerd Hoffmann } 1814f1ae32a1SGerd Hoffmann 1815ccaf87a0SGerd Hoffmann static USBPort *xhci_lookup_uport(XHCIState *xhci, uint32_t *slot_ctx) 1816ccaf87a0SGerd Hoffmann { 1817ccaf87a0SGerd Hoffmann USBPort *uport; 1818ccaf87a0SGerd Hoffmann char path[32]; 1819ccaf87a0SGerd Hoffmann int i, pos, port; 1820ccaf87a0SGerd Hoffmann 1821ccaf87a0SGerd Hoffmann port = (slot_ctx[1]>>16) & 0xFF; 1822ccaf87a0SGerd Hoffmann port = xhci->ports[port-1].uport->index+1; 1823ccaf87a0SGerd Hoffmann pos = snprintf(path, sizeof(path), "%d", port); 1824ccaf87a0SGerd Hoffmann for (i = 0; i < 5; i++) { 1825ccaf87a0SGerd Hoffmann port = (slot_ctx[0] >> 4*i) & 0x0f; 1826ccaf87a0SGerd Hoffmann if (!port) { 1827ccaf87a0SGerd Hoffmann break; 1828ccaf87a0SGerd Hoffmann } 1829ccaf87a0SGerd Hoffmann pos += snprintf(path + pos, sizeof(path) - pos, ".%d", port); 1830ccaf87a0SGerd Hoffmann } 1831ccaf87a0SGerd Hoffmann 1832ccaf87a0SGerd Hoffmann QTAILQ_FOREACH(uport, &xhci->bus.used, next) { 1833ccaf87a0SGerd Hoffmann if (strcmp(uport->path, path) == 0) { 1834ccaf87a0SGerd Hoffmann return uport; 1835ccaf87a0SGerd Hoffmann } 1836ccaf87a0SGerd Hoffmann } 1837ccaf87a0SGerd Hoffmann return NULL; 1838ccaf87a0SGerd Hoffmann } 1839ccaf87a0SGerd Hoffmann 1840f1ae32a1SGerd Hoffmann static TRBCCode xhci_address_slot(XHCIState *xhci, unsigned int slotid, 1841f1ae32a1SGerd Hoffmann uint64_t pictx, bool bsr) 1842f1ae32a1SGerd Hoffmann { 1843f1ae32a1SGerd Hoffmann XHCISlot *slot; 1844ccaf87a0SGerd Hoffmann USBPort *uport; 1845f1ae32a1SGerd Hoffmann USBDevice *dev; 184659a70ccdSDavid Gibson dma_addr_t ictx, octx, dcbaap; 1847f1ae32a1SGerd Hoffmann uint64_t poctx; 1848f1ae32a1SGerd Hoffmann uint32_t ictl_ctx[2]; 1849f1ae32a1SGerd Hoffmann uint32_t slot_ctx[4]; 1850f1ae32a1SGerd Hoffmann uint32_t ep0_ctx[5]; 1851f1ae32a1SGerd Hoffmann int i; 1852f1ae32a1SGerd Hoffmann TRBCCode res; 1853f1ae32a1SGerd Hoffmann 1854348f1037SGerd Hoffmann trace_usb_xhci_slot_address(slotid); 1855f1ae32a1SGerd Hoffmann assert(slotid >= 1 && slotid <= MAXSLOTS); 1856f1ae32a1SGerd Hoffmann 1857f1ae32a1SGerd Hoffmann dcbaap = xhci_addr64(xhci->dcbaap_low, xhci->dcbaap_high); 185859a70ccdSDavid Gibson pci_dma_read(&xhci->pci_dev, dcbaap + 8*slotid, &poctx, sizeof(poctx)); 1859f1ae32a1SGerd Hoffmann ictx = xhci_mask64(pictx); 1860f1ae32a1SGerd Hoffmann octx = xhci_mask64(le64_to_cpu(poctx)); 1861f1ae32a1SGerd Hoffmann 186259a70ccdSDavid Gibson DPRINTF("xhci: input context at "DMA_ADDR_FMT"\n", ictx); 186359a70ccdSDavid Gibson DPRINTF("xhci: output context at "DMA_ADDR_FMT"\n", octx); 1864f1ae32a1SGerd Hoffmann 186559a70ccdSDavid Gibson pci_dma_read(&xhci->pci_dev, ictx, ictl_ctx, sizeof(ictl_ctx)); 1866f1ae32a1SGerd Hoffmann 1867f1ae32a1SGerd Hoffmann if (ictl_ctx[0] != 0x0 || ictl_ctx[1] != 0x3) { 1868f1ae32a1SGerd Hoffmann fprintf(stderr, "xhci: invalid input context control %08x %08x\n", 1869f1ae32a1SGerd Hoffmann ictl_ctx[0], ictl_ctx[1]); 1870f1ae32a1SGerd Hoffmann return CC_TRB_ERROR; 1871f1ae32a1SGerd Hoffmann } 1872f1ae32a1SGerd Hoffmann 187359a70ccdSDavid Gibson pci_dma_read(&xhci->pci_dev, ictx+32, slot_ctx, sizeof(slot_ctx)); 187459a70ccdSDavid Gibson pci_dma_read(&xhci->pci_dev, ictx+64, ep0_ctx, sizeof(ep0_ctx)); 1875f1ae32a1SGerd Hoffmann 1876f1ae32a1SGerd Hoffmann DPRINTF("xhci: input slot context: %08x %08x %08x %08x\n", 1877f1ae32a1SGerd Hoffmann slot_ctx[0], slot_ctx[1], slot_ctx[2], slot_ctx[3]); 1878f1ae32a1SGerd Hoffmann 1879f1ae32a1SGerd Hoffmann DPRINTF("xhci: input ep0 context: %08x %08x %08x %08x %08x\n", 1880f1ae32a1SGerd Hoffmann ep0_ctx[0], ep0_ctx[1], ep0_ctx[2], ep0_ctx[3], ep0_ctx[4]); 1881f1ae32a1SGerd Hoffmann 1882ccaf87a0SGerd Hoffmann uport = xhci_lookup_uport(xhci, slot_ctx); 1883ccaf87a0SGerd Hoffmann if (uport == NULL) { 1884ccaf87a0SGerd Hoffmann fprintf(stderr, "xhci: port not found\n"); 1885f1ae32a1SGerd Hoffmann return CC_TRB_ERROR; 1886ccaf87a0SGerd Hoffmann } 1887ccaf87a0SGerd Hoffmann 1888ccaf87a0SGerd Hoffmann dev = uport->dev; 1889ccaf87a0SGerd Hoffmann if (!dev) { 1890ccaf87a0SGerd Hoffmann fprintf(stderr, "xhci: port %s not connected\n", uport->path); 1891f1ae32a1SGerd Hoffmann return CC_USB_TRANSACTION_ERROR; 1892f1ae32a1SGerd Hoffmann } 1893f1ae32a1SGerd Hoffmann 1894f1ae32a1SGerd Hoffmann for (i = 0; i < MAXSLOTS; i++) { 1895ccaf87a0SGerd Hoffmann if (xhci->slots[i].uport == uport) { 1896ccaf87a0SGerd Hoffmann fprintf(stderr, "xhci: port %s already assigned to slot %d\n", 1897ccaf87a0SGerd Hoffmann uport->path, i+1); 1898f1ae32a1SGerd Hoffmann return CC_TRB_ERROR; 1899f1ae32a1SGerd Hoffmann } 1900f1ae32a1SGerd Hoffmann } 1901f1ae32a1SGerd Hoffmann 1902f1ae32a1SGerd Hoffmann slot = &xhci->slots[slotid-1]; 1903ccaf87a0SGerd Hoffmann slot->uport = uport; 1904f1ae32a1SGerd Hoffmann slot->ctx = octx; 1905f1ae32a1SGerd Hoffmann 1906f1ae32a1SGerd Hoffmann if (bsr) { 1907f1ae32a1SGerd Hoffmann slot_ctx[3] = SLOT_DEFAULT << SLOT_STATE_SHIFT; 1908f1ae32a1SGerd Hoffmann } else { 1909f1ae32a1SGerd Hoffmann slot->devaddr = xhci->devaddr++; 1910f1ae32a1SGerd Hoffmann slot_ctx[3] = (SLOT_ADDRESSED << SLOT_STATE_SHIFT) | slot->devaddr; 1911f1ae32a1SGerd Hoffmann DPRINTF("xhci: device address is %d\n", slot->devaddr); 1912f1ae32a1SGerd Hoffmann usb_device_handle_control(dev, NULL, 1913f1ae32a1SGerd Hoffmann DeviceOutRequest | USB_REQ_SET_ADDRESS, 1914f1ae32a1SGerd Hoffmann slot->devaddr, 0, 0, NULL); 1915f1ae32a1SGerd Hoffmann } 1916f1ae32a1SGerd Hoffmann 1917f1ae32a1SGerd Hoffmann res = xhci_enable_ep(xhci, slotid, 1, octx+32, ep0_ctx); 1918f1ae32a1SGerd Hoffmann 1919f1ae32a1SGerd Hoffmann DPRINTF("xhci: output slot context: %08x %08x %08x %08x\n", 1920f1ae32a1SGerd Hoffmann slot_ctx[0], slot_ctx[1], slot_ctx[2], slot_ctx[3]); 1921f1ae32a1SGerd Hoffmann DPRINTF("xhci: output ep0 context: %08x %08x %08x %08x %08x\n", 1922f1ae32a1SGerd Hoffmann ep0_ctx[0], ep0_ctx[1], ep0_ctx[2], ep0_ctx[3], ep0_ctx[4]); 1923f1ae32a1SGerd Hoffmann 192459a70ccdSDavid Gibson pci_dma_write(&xhci->pci_dev, octx, slot_ctx, sizeof(slot_ctx)); 192559a70ccdSDavid Gibson pci_dma_write(&xhci->pci_dev, octx+32, ep0_ctx, sizeof(ep0_ctx)); 1926f1ae32a1SGerd Hoffmann 1927f1ae32a1SGerd Hoffmann return res; 1928f1ae32a1SGerd Hoffmann } 1929f1ae32a1SGerd Hoffmann 1930f1ae32a1SGerd Hoffmann 1931f1ae32a1SGerd Hoffmann static TRBCCode xhci_configure_slot(XHCIState *xhci, unsigned int slotid, 1932f1ae32a1SGerd Hoffmann uint64_t pictx, bool dc) 1933f1ae32a1SGerd Hoffmann { 193459a70ccdSDavid Gibson dma_addr_t ictx, octx; 1935f1ae32a1SGerd Hoffmann uint32_t ictl_ctx[2]; 1936f1ae32a1SGerd Hoffmann uint32_t slot_ctx[4]; 1937f1ae32a1SGerd Hoffmann uint32_t islot_ctx[4]; 1938f1ae32a1SGerd Hoffmann uint32_t ep_ctx[5]; 1939f1ae32a1SGerd Hoffmann int i; 1940f1ae32a1SGerd Hoffmann TRBCCode res; 1941f1ae32a1SGerd Hoffmann 1942348f1037SGerd Hoffmann trace_usb_xhci_slot_configure(slotid); 1943f1ae32a1SGerd Hoffmann assert(slotid >= 1 && slotid <= MAXSLOTS); 1944f1ae32a1SGerd Hoffmann 1945f1ae32a1SGerd Hoffmann ictx = xhci_mask64(pictx); 1946f1ae32a1SGerd Hoffmann octx = xhci->slots[slotid-1].ctx; 1947f1ae32a1SGerd Hoffmann 194859a70ccdSDavid Gibson DPRINTF("xhci: input context at "DMA_ADDR_FMT"\n", ictx); 194959a70ccdSDavid Gibson DPRINTF("xhci: output context at "DMA_ADDR_FMT"\n", octx); 1950f1ae32a1SGerd Hoffmann 1951f1ae32a1SGerd Hoffmann if (dc) { 1952f1ae32a1SGerd Hoffmann for (i = 2; i <= 31; i++) { 1953f1ae32a1SGerd Hoffmann if (xhci->slots[slotid-1].eps[i-1]) { 1954f1ae32a1SGerd Hoffmann xhci_disable_ep(xhci, slotid, i); 1955f1ae32a1SGerd Hoffmann } 1956f1ae32a1SGerd Hoffmann } 1957f1ae32a1SGerd Hoffmann 195859a70ccdSDavid Gibson pci_dma_read(&xhci->pci_dev, octx, slot_ctx, sizeof(slot_ctx)); 1959f1ae32a1SGerd Hoffmann slot_ctx[3] &= ~(SLOT_STATE_MASK << SLOT_STATE_SHIFT); 1960f1ae32a1SGerd Hoffmann slot_ctx[3] |= SLOT_ADDRESSED << SLOT_STATE_SHIFT; 1961f1ae32a1SGerd Hoffmann DPRINTF("xhci: output slot context: %08x %08x %08x %08x\n", 1962f1ae32a1SGerd Hoffmann slot_ctx[0], slot_ctx[1], slot_ctx[2], slot_ctx[3]); 196359a70ccdSDavid Gibson pci_dma_write(&xhci->pci_dev, octx, slot_ctx, sizeof(slot_ctx)); 1964f1ae32a1SGerd Hoffmann 1965f1ae32a1SGerd Hoffmann return CC_SUCCESS; 1966f1ae32a1SGerd Hoffmann } 1967f1ae32a1SGerd Hoffmann 196859a70ccdSDavid Gibson pci_dma_read(&xhci->pci_dev, ictx, ictl_ctx, sizeof(ictl_ctx)); 1969f1ae32a1SGerd Hoffmann 1970f1ae32a1SGerd Hoffmann if ((ictl_ctx[0] & 0x3) != 0x0 || (ictl_ctx[1] & 0x3) != 0x1) { 1971f1ae32a1SGerd Hoffmann fprintf(stderr, "xhci: invalid input context control %08x %08x\n", 1972f1ae32a1SGerd Hoffmann ictl_ctx[0], ictl_ctx[1]); 1973f1ae32a1SGerd Hoffmann return CC_TRB_ERROR; 1974f1ae32a1SGerd Hoffmann } 1975f1ae32a1SGerd Hoffmann 197659a70ccdSDavid Gibson pci_dma_read(&xhci->pci_dev, ictx+32, islot_ctx, sizeof(islot_ctx)); 197759a70ccdSDavid Gibson pci_dma_read(&xhci->pci_dev, octx, slot_ctx, sizeof(slot_ctx)); 1978f1ae32a1SGerd Hoffmann 1979f1ae32a1SGerd Hoffmann if (SLOT_STATE(slot_ctx[3]) < SLOT_ADDRESSED) { 1980f1ae32a1SGerd Hoffmann fprintf(stderr, "xhci: invalid slot state %08x\n", slot_ctx[3]); 1981f1ae32a1SGerd Hoffmann return CC_CONTEXT_STATE_ERROR; 1982f1ae32a1SGerd Hoffmann } 1983f1ae32a1SGerd Hoffmann 1984f1ae32a1SGerd Hoffmann for (i = 2; i <= 31; i++) { 1985f1ae32a1SGerd Hoffmann if (ictl_ctx[0] & (1<<i)) { 1986f1ae32a1SGerd Hoffmann xhci_disable_ep(xhci, slotid, i); 1987f1ae32a1SGerd Hoffmann } 1988f1ae32a1SGerd Hoffmann if (ictl_ctx[1] & (1<<i)) { 198959a70ccdSDavid Gibson pci_dma_read(&xhci->pci_dev, ictx+32+(32*i), ep_ctx, 199059a70ccdSDavid Gibson sizeof(ep_ctx)); 1991f1ae32a1SGerd Hoffmann DPRINTF("xhci: input ep%d.%d context: %08x %08x %08x %08x %08x\n", 1992f1ae32a1SGerd Hoffmann i/2, i%2, ep_ctx[0], ep_ctx[1], ep_ctx[2], 1993f1ae32a1SGerd Hoffmann ep_ctx[3], ep_ctx[4]); 1994f1ae32a1SGerd Hoffmann xhci_disable_ep(xhci, slotid, i); 1995f1ae32a1SGerd Hoffmann res = xhci_enable_ep(xhci, slotid, i, octx+(32*i), ep_ctx); 1996f1ae32a1SGerd Hoffmann if (res != CC_SUCCESS) { 1997f1ae32a1SGerd Hoffmann return res; 1998f1ae32a1SGerd Hoffmann } 1999f1ae32a1SGerd Hoffmann DPRINTF("xhci: output ep%d.%d context: %08x %08x %08x %08x %08x\n", 2000f1ae32a1SGerd Hoffmann i/2, i%2, ep_ctx[0], ep_ctx[1], ep_ctx[2], 2001f1ae32a1SGerd Hoffmann ep_ctx[3], ep_ctx[4]); 200259a70ccdSDavid Gibson pci_dma_write(&xhci->pci_dev, octx+(32*i), ep_ctx, sizeof(ep_ctx)); 2003f1ae32a1SGerd Hoffmann } 2004f1ae32a1SGerd Hoffmann } 2005f1ae32a1SGerd Hoffmann 2006f1ae32a1SGerd Hoffmann slot_ctx[3] &= ~(SLOT_STATE_MASK << SLOT_STATE_SHIFT); 2007f1ae32a1SGerd Hoffmann slot_ctx[3] |= SLOT_CONFIGURED << SLOT_STATE_SHIFT; 2008f1ae32a1SGerd Hoffmann slot_ctx[0] &= ~(SLOT_CONTEXT_ENTRIES_MASK << SLOT_CONTEXT_ENTRIES_SHIFT); 2009f1ae32a1SGerd Hoffmann slot_ctx[0] |= islot_ctx[0] & (SLOT_CONTEXT_ENTRIES_MASK << 2010f1ae32a1SGerd Hoffmann SLOT_CONTEXT_ENTRIES_SHIFT); 2011f1ae32a1SGerd Hoffmann DPRINTF("xhci: output slot context: %08x %08x %08x %08x\n", 2012f1ae32a1SGerd Hoffmann slot_ctx[0], slot_ctx[1], slot_ctx[2], slot_ctx[3]); 2013f1ae32a1SGerd Hoffmann 201459a70ccdSDavid Gibson pci_dma_write(&xhci->pci_dev, octx, slot_ctx, sizeof(slot_ctx)); 2015f1ae32a1SGerd Hoffmann 2016f1ae32a1SGerd Hoffmann return CC_SUCCESS; 2017f1ae32a1SGerd Hoffmann } 2018f1ae32a1SGerd Hoffmann 2019f1ae32a1SGerd Hoffmann 2020f1ae32a1SGerd Hoffmann static TRBCCode xhci_evaluate_slot(XHCIState *xhci, unsigned int slotid, 2021f1ae32a1SGerd Hoffmann uint64_t pictx) 2022f1ae32a1SGerd Hoffmann { 202359a70ccdSDavid Gibson dma_addr_t ictx, octx; 2024f1ae32a1SGerd Hoffmann uint32_t ictl_ctx[2]; 2025f1ae32a1SGerd Hoffmann uint32_t iep0_ctx[5]; 2026f1ae32a1SGerd Hoffmann uint32_t ep0_ctx[5]; 2027f1ae32a1SGerd Hoffmann uint32_t islot_ctx[4]; 2028f1ae32a1SGerd Hoffmann uint32_t slot_ctx[4]; 2029f1ae32a1SGerd Hoffmann 2030348f1037SGerd Hoffmann trace_usb_xhci_slot_evaluate(slotid); 2031f1ae32a1SGerd Hoffmann assert(slotid >= 1 && slotid <= MAXSLOTS); 2032f1ae32a1SGerd Hoffmann 2033f1ae32a1SGerd Hoffmann ictx = xhci_mask64(pictx); 2034f1ae32a1SGerd Hoffmann octx = xhci->slots[slotid-1].ctx; 2035f1ae32a1SGerd Hoffmann 203659a70ccdSDavid Gibson DPRINTF("xhci: input context at "DMA_ADDR_FMT"\n", ictx); 203759a70ccdSDavid Gibson DPRINTF("xhci: output context at "DMA_ADDR_FMT"\n", octx); 2038f1ae32a1SGerd Hoffmann 203959a70ccdSDavid Gibson pci_dma_read(&xhci->pci_dev, ictx, ictl_ctx, sizeof(ictl_ctx)); 2040f1ae32a1SGerd Hoffmann 2041f1ae32a1SGerd Hoffmann if (ictl_ctx[0] != 0x0 || ictl_ctx[1] & ~0x3) { 2042f1ae32a1SGerd Hoffmann fprintf(stderr, "xhci: invalid input context control %08x %08x\n", 2043f1ae32a1SGerd Hoffmann ictl_ctx[0], ictl_ctx[1]); 2044f1ae32a1SGerd Hoffmann return CC_TRB_ERROR; 2045f1ae32a1SGerd Hoffmann } 2046f1ae32a1SGerd Hoffmann 2047f1ae32a1SGerd Hoffmann if (ictl_ctx[1] & 0x1) { 204859a70ccdSDavid Gibson pci_dma_read(&xhci->pci_dev, ictx+32, islot_ctx, sizeof(islot_ctx)); 2049f1ae32a1SGerd Hoffmann 2050f1ae32a1SGerd Hoffmann DPRINTF("xhci: input slot context: %08x %08x %08x %08x\n", 2051f1ae32a1SGerd Hoffmann islot_ctx[0], islot_ctx[1], islot_ctx[2], islot_ctx[3]); 2052f1ae32a1SGerd Hoffmann 205359a70ccdSDavid Gibson pci_dma_read(&xhci->pci_dev, octx, slot_ctx, sizeof(slot_ctx)); 2054f1ae32a1SGerd Hoffmann 2055f1ae32a1SGerd Hoffmann slot_ctx[1] &= ~0xFFFF; /* max exit latency */ 2056f1ae32a1SGerd Hoffmann slot_ctx[1] |= islot_ctx[1] & 0xFFFF; 2057f1ae32a1SGerd Hoffmann slot_ctx[2] &= ~0xFF00000; /* interrupter target */ 2058f1ae32a1SGerd Hoffmann slot_ctx[2] |= islot_ctx[2] & 0xFF000000; 2059f1ae32a1SGerd Hoffmann 2060f1ae32a1SGerd Hoffmann DPRINTF("xhci: output slot context: %08x %08x %08x %08x\n", 2061f1ae32a1SGerd Hoffmann slot_ctx[0], slot_ctx[1], slot_ctx[2], slot_ctx[3]); 2062f1ae32a1SGerd Hoffmann 206359a70ccdSDavid Gibson pci_dma_write(&xhci->pci_dev, octx, slot_ctx, sizeof(slot_ctx)); 2064f1ae32a1SGerd Hoffmann } 2065f1ae32a1SGerd Hoffmann 2066f1ae32a1SGerd Hoffmann if (ictl_ctx[1] & 0x2) { 206759a70ccdSDavid Gibson pci_dma_read(&xhci->pci_dev, ictx+64, iep0_ctx, sizeof(iep0_ctx)); 2068f1ae32a1SGerd Hoffmann 2069f1ae32a1SGerd Hoffmann DPRINTF("xhci: input ep0 context: %08x %08x %08x %08x %08x\n", 2070f1ae32a1SGerd Hoffmann iep0_ctx[0], iep0_ctx[1], iep0_ctx[2], 2071f1ae32a1SGerd Hoffmann iep0_ctx[3], iep0_ctx[4]); 2072f1ae32a1SGerd Hoffmann 207359a70ccdSDavid Gibson pci_dma_read(&xhci->pci_dev, octx+32, ep0_ctx, sizeof(ep0_ctx)); 2074f1ae32a1SGerd Hoffmann 2075f1ae32a1SGerd Hoffmann ep0_ctx[1] &= ~0xFFFF0000; /* max packet size*/ 2076f1ae32a1SGerd Hoffmann ep0_ctx[1] |= iep0_ctx[1] & 0xFFFF0000; 2077f1ae32a1SGerd Hoffmann 2078f1ae32a1SGerd Hoffmann DPRINTF("xhci: output ep0 context: %08x %08x %08x %08x %08x\n", 2079f1ae32a1SGerd Hoffmann ep0_ctx[0], ep0_ctx[1], ep0_ctx[2], ep0_ctx[3], ep0_ctx[4]); 2080f1ae32a1SGerd Hoffmann 208159a70ccdSDavid Gibson pci_dma_write(&xhci->pci_dev, octx+32, ep0_ctx, sizeof(ep0_ctx)); 2082f1ae32a1SGerd Hoffmann } 2083f1ae32a1SGerd Hoffmann 2084f1ae32a1SGerd Hoffmann return CC_SUCCESS; 2085f1ae32a1SGerd Hoffmann } 2086f1ae32a1SGerd Hoffmann 2087f1ae32a1SGerd Hoffmann static TRBCCode xhci_reset_slot(XHCIState *xhci, unsigned int slotid) 2088f1ae32a1SGerd Hoffmann { 2089f1ae32a1SGerd Hoffmann uint32_t slot_ctx[4]; 209059a70ccdSDavid Gibson dma_addr_t octx; 2091f1ae32a1SGerd Hoffmann int i; 2092f1ae32a1SGerd Hoffmann 2093348f1037SGerd Hoffmann trace_usb_xhci_slot_reset(slotid); 2094f1ae32a1SGerd Hoffmann assert(slotid >= 1 && slotid <= MAXSLOTS); 2095f1ae32a1SGerd Hoffmann 2096f1ae32a1SGerd Hoffmann octx = xhci->slots[slotid-1].ctx; 2097f1ae32a1SGerd Hoffmann 209859a70ccdSDavid Gibson DPRINTF("xhci: output context at "DMA_ADDR_FMT"\n", octx); 2099f1ae32a1SGerd Hoffmann 2100f1ae32a1SGerd Hoffmann for (i = 2; i <= 31; i++) { 2101f1ae32a1SGerd Hoffmann if (xhci->slots[slotid-1].eps[i-1]) { 2102f1ae32a1SGerd Hoffmann xhci_disable_ep(xhci, slotid, i); 2103f1ae32a1SGerd Hoffmann } 2104f1ae32a1SGerd Hoffmann } 2105f1ae32a1SGerd Hoffmann 210659a70ccdSDavid Gibson pci_dma_read(&xhci->pci_dev, octx, slot_ctx, sizeof(slot_ctx)); 2107f1ae32a1SGerd Hoffmann slot_ctx[3] &= ~(SLOT_STATE_MASK << SLOT_STATE_SHIFT); 2108f1ae32a1SGerd Hoffmann slot_ctx[3] |= SLOT_DEFAULT << SLOT_STATE_SHIFT; 2109f1ae32a1SGerd Hoffmann DPRINTF("xhci: output slot context: %08x %08x %08x %08x\n", 2110f1ae32a1SGerd Hoffmann slot_ctx[0], slot_ctx[1], slot_ctx[2], slot_ctx[3]); 211159a70ccdSDavid Gibson pci_dma_write(&xhci->pci_dev, octx, slot_ctx, sizeof(slot_ctx)); 2112f1ae32a1SGerd Hoffmann 2113f1ae32a1SGerd Hoffmann return CC_SUCCESS; 2114f1ae32a1SGerd Hoffmann } 2115f1ae32a1SGerd Hoffmann 2116f1ae32a1SGerd Hoffmann static unsigned int xhci_get_slot(XHCIState *xhci, XHCIEvent *event, XHCITRB *trb) 2117f1ae32a1SGerd Hoffmann { 2118f1ae32a1SGerd Hoffmann unsigned int slotid; 2119f1ae32a1SGerd Hoffmann slotid = (trb->control >> TRB_CR_SLOTID_SHIFT) & TRB_CR_SLOTID_MASK; 2120f1ae32a1SGerd Hoffmann if (slotid < 1 || slotid > MAXSLOTS) { 2121f1ae32a1SGerd Hoffmann fprintf(stderr, "xhci: bad slot id %d\n", slotid); 2122f1ae32a1SGerd Hoffmann event->ccode = CC_TRB_ERROR; 2123f1ae32a1SGerd Hoffmann return 0; 2124f1ae32a1SGerd Hoffmann } else if (!xhci->slots[slotid-1].enabled) { 2125f1ae32a1SGerd Hoffmann fprintf(stderr, "xhci: slot id %d not enabled\n", slotid); 2126f1ae32a1SGerd Hoffmann event->ccode = CC_SLOT_NOT_ENABLED_ERROR; 2127f1ae32a1SGerd Hoffmann return 0; 2128f1ae32a1SGerd Hoffmann } 2129f1ae32a1SGerd Hoffmann return slotid; 2130f1ae32a1SGerd Hoffmann } 2131f1ae32a1SGerd Hoffmann 2132f1ae32a1SGerd Hoffmann static TRBCCode xhci_get_port_bandwidth(XHCIState *xhci, uint64_t pctx) 2133f1ae32a1SGerd Hoffmann { 213459a70ccdSDavid Gibson dma_addr_t ctx; 21350846e635SGerd Hoffmann uint8_t bw_ctx[xhci->numports+1]; 2136f1ae32a1SGerd Hoffmann 2137f1ae32a1SGerd Hoffmann DPRINTF("xhci_get_port_bandwidth()\n"); 2138f1ae32a1SGerd Hoffmann 2139f1ae32a1SGerd Hoffmann ctx = xhci_mask64(pctx); 2140f1ae32a1SGerd Hoffmann 214159a70ccdSDavid Gibson DPRINTF("xhci: bandwidth context at "DMA_ADDR_FMT"\n", ctx); 2142f1ae32a1SGerd Hoffmann 2143f1ae32a1SGerd Hoffmann /* TODO: actually implement real values here */ 2144f1ae32a1SGerd Hoffmann bw_ctx[0] = 0; 21450846e635SGerd Hoffmann memset(&bw_ctx[1], 80, xhci->numports); /* 80% */ 214659a70ccdSDavid Gibson pci_dma_write(&xhci->pci_dev, ctx, bw_ctx, sizeof(bw_ctx)); 2147f1ae32a1SGerd Hoffmann 2148f1ae32a1SGerd Hoffmann return CC_SUCCESS; 2149f1ae32a1SGerd Hoffmann } 2150f1ae32a1SGerd Hoffmann 2151f1ae32a1SGerd Hoffmann static uint32_t rotl(uint32_t v, unsigned count) 2152f1ae32a1SGerd Hoffmann { 2153f1ae32a1SGerd Hoffmann count &= 31; 2154f1ae32a1SGerd Hoffmann return (v << count) | (v >> (32 - count)); 2155f1ae32a1SGerd Hoffmann } 2156f1ae32a1SGerd Hoffmann 2157f1ae32a1SGerd Hoffmann 2158f1ae32a1SGerd Hoffmann static uint32_t xhci_nec_challenge(uint32_t hi, uint32_t lo) 2159f1ae32a1SGerd Hoffmann { 2160f1ae32a1SGerd Hoffmann uint32_t val; 2161f1ae32a1SGerd Hoffmann val = rotl(lo - 0x49434878, 32 - ((hi>>8) & 0x1F)); 2162f1ae32a1SGerd Hoffmann val += rotl(lo + 0x49434878, hi & 0x1F); 2163f1ae32a1SGerd Hoffmann val -= rotl(hi ^ 0x49434878, (lo >> 16) & 0x1F); 2164f1ae32a1SGerd Hoffmann return ~val; 2165f1ae32a1SGerd Hoffmann } 2166f1ae32a1SGerd Hoffmann 216759a70ccdSDavid Gibson static void xhci_via_challenge(XHCIState *xhci, uint64_t addr) 2168f1ae32a1SGerd Hoffmann { 2169f1ae32a1SGerd Hoffmann uint32_t buf[8]; 2170f1ae32a1SGerd Hoffmann uint32_t obuf[8]; 217159a70ccdSDavid Gibson dma_addr_t paddr = xhci_mask64(addr); 2172f1ae32a1SGerd Hoffmann 217359a70ccdSDavid Gibson pci_dma_read(&xhci->pci_dev, paddr, &buf, 32); 2174f1ae32a1SGerd Hoffmann 2175f1ae32a1SGerd Hoffmann memcpy(obuf, buf, sizeof(obuf)); 2176f1ae32a1SGerd Hoffmann 2177f1ae32a1SGerd Hoffmann if ((buf[0] & 0xff) == 2) { 2178f1ae32a1SGerd Hoffmann obuf[0] = 0x49932000 + 0x54dc200 * buf[2] + 0x7429b578 * buf[3]; 2179f1ae32a1SGerd Hoffmann obuf[0] |= (buf[2] * buf[3]) & 0xff; 2180f1ae32a1SGerd Hoffmann obuf[1] = 0x0132bb37 + 0xe89 * buf[2] + 0xf09 * buf[3]; 2181f1ae32a1SGerd Hoffmann obuf[2] = 0x0066c2e9 + 0x2091 * buf[2] + 0x19bd * buf[3]; 2182f1ae32a1SGerd Hoffmann obuf[3] = 0xd5281342 + 0x2cc9691 * buf[2] + 0x2367662 * buf[3]; 2183f1ae32a1SGerd Hoffmann obuf[4] = 0x0123c75c + 0x1595 * buf[2] + 0x19ec * buf[3]; 2184f1ae32a1SGerd Hoffmann obuf[5] = 0x00f695de + 0x26fd * buf[2] + 0x3e9 * buf[3]; 2185f1ae32a1SGerd Hoffmann obuf[6] = obuf[2] ^ obuf[3] ^ 0x29472956; 2186f1ae32a1SGerd Hoffmann obuf[7] = obuf[2] ^ obuf[3] ^ 0x65866593; 2187f1ae32a1SGerd Hoffmann } 2188f1ae32a1SGerd Hoffmann 218959a70ccdSDavid Gibson pci_dma_write(&xhci->pci_dev, paddr, &obuf, 32); 2190f1ae32a1SGerd Hoffmann } 2191f1ae32a1SGerd Hoffmann 2192f1ae32a1SGerd Hoffmann static void xhci_process_commands(XHCIState *xhci) 2193f1ae32a1SGerd Hoffmann { 2194f1ae32a1SGerd Hoffmann XHCITRB trb; 2195f1ae32a1SGerd Hoffmann TRBType type; 2196f1ae32a1SGerd Hoffmann XHCIEvent event = {ER_COMMAND_COMPLETE, CC_SUCCESS}; 219759a70ccdSDavid Gibson dma_addr_t addr; 2198f1ae32a1SGerd Hoffmann unsigned int i, slotid = 0; 2199f1ae32a1SGerd Hoffmann 2200f1ae32a1SGerd Hoffmann DPRINTF("xhci_process_commands()\n"); 2201f1ae32a1SGerd Hoffmann if (!xhci_running(xhci)) { 2202f1ae32a1SGerd Hoffmann DPRINTF("xhci_process_commands() called while xHC stopped or paused\n"); 2203f1ae32a1SGerd Hoffmann return; 2204f1ae32a1SGerd Hoffmann } 2205f1ae32a1SGerd Hoffmann 2206f1ae32a1SGerd Hoffmann xhci->crcr_low |= CRCR_CRR; 2207f1ae32a1SGerd Hoffmann 2208f1ae32a1SGerd Hoffmann while ((type = xhci_ring_fetch(xhci, &xhci->cmd_ring, &trb, &addr))) { 2209f1ae32a1SGerd Hoffmann event.ptr = addr; 2210f1ae32a1SGerd Hoffmann switch (type) { 2211f1ae32a1SGerd Hoffmann case CR_ENABLE_SLOT: 2212f1ae32a1SGerd Hoffmann for (i = 0; i < MAXSLOTS; i++) { 2213f1ae32a1SGerd Hoffmann if (!xhci->slots[i].enabled) { 2214f1ae32a1SGerd Hoffmann break; 2215f1ae32a1SGerd Hoffmann } 2216f1ae32a1SGerd Hoffmann } 2217f1ae32a1SGerd Hoffmann if (i >= MAXSLOTS) { 2218f1ae32a1SGerd Hoffmann fprintf(stderr, "xhci: no device slots available\n"); 2219f1ae32a1SGerd Hoffmann event.ccode = CC_NO_SLOTS_ERROR; 2220f1ae32a1SGerd Hoffmann } else { 2221f1ae32a1SGerd Hoffmann slotid = i+1; 2222f1ae32a1SGerd Hoffmann event.ccode = xhci_enable_slot(xhci, slotid); 2223f1ae32a1SGerd Hoffmann } 2224f1ae32a1SGerd Hoffmann break; 2225f1ae32a1SGerd Hoffmann case CR_DISABLE_SLOT: 2226f1ae32a1SGerd Hoffmann slotid = xhci_get_slot(xhci, &event, &trb); 2227f1ae32a1SGerd Hoffmann if (slotid) { 2228f1ae32a1SGerd Hoffmann event.ccode = xhci_disable_slot(xhci, slotid); 2229f1ae32a1SGerd Hoffmann } 2230f1ae32a1SGerd Hoffmann break; 2231f1ae32a1SGerd Hoffmann case CR_ADDRESS_DEVICE: 2232f1ae32a1SGerd Hoffmann slotid = xhci_get_slot(xhci, &event, &trb); 2233f1ae32a1SGerd Hoffmann if (slotid) { 2234f1ae32a1SGerd Hoffmann event.ccode = xhci_address_slot(xhci, slotid, trb.parameter, 2235f1ae32a1SGerd Hoffmann trb.control & TRB_CR_BSR); 2236f1ae32a1SGerd Hoffmann } 2237f1ae32a1SGerd Hoffmann break; 2238f1ae32a1SGerd Hoffmann case CR_CONFIGURE_ENDPOINT: 2239f1ae32a1SGerd Hoffmann slotid = xhci_get_slot(xhci, &event, &trb); 2240f1ae32a1SGerd Hoffmann if (slotid) { 2241f1ae32a1SGerd Hoffmann event.ccode = xhci_configure_slot(xhci, slotid, trb.parameter, 2242f1ae32a1SGerd Hoffmann trb.control & TRB_CR_DC); 2243f1ae32a1SGerd Hoffmann } 2244f1ae32a1SGerd Hoffmann break; 2245f1ae32a1SGerd Hoffmann case CR_EVALUATE_CONTEXT: 2246f1ae32a1SGerd Hoffmann slotid = xhci_get_slot(xhci, &event, &trb); 2247f1ae32a1SGerd Hoffmann if (slotid) { 2248f1ae32a1SGerd Hoffmann event.ccode = xhci_evaluate_slot(xhci, slotid, trb.parameter); 2249f1ae32a1SGerd Hoffmann } 2250f1ae32a1SGerd Hoffmann break; 2251f1ae32a1SGerd Hoffmann case CR_STOP_ENDPOINT: 2252f1ae32a1SGerd Hoffmann slotid = xhci_get_slot(xhci, &event, &trb); 2253f1ae32a1SGerd Hoffmann if (slotid) { 2254f1ae32a1SGerd Hoffmann unsigned int epid = (trb.control >> TRB_CR_EPID_SHIFT) 2255f1ae32a1SGerd Hoffmann & TRB_CR_EPID_MASK; 2256f1ae32a1SGerd Hoffmann event.ccode = xhci_stop_ep(xhci, slotid, epid); 2257f1ae32a1SGerd Hoffmann } 2258f1ae32a1SGerd Hoffmann break; 2259f1ae32a1SGerd Hoffmann case CR_RESET_ENDPOINT: 2260f1ae32a1SGerd Hoffmann slotid = xhci_get_slot(xhci, &event, &trb); 2261f1ae32a1SGerd Hoffmann if (slotid) { 2262f1ae32a1SGerd Hoffmann unsigned int epid = (trb.control >> TRB_CR_EPID_SHIFT) 2263f1ae32a1SGerd Hoffmann & TRB_CR_EPID_MASK; 2264f1ae32a1SGerd Hoffmann event.ccode = xhci_reset_ep(xhci, slotid, epid); 2265f1ae32a1SGerd Hoffmann } 2266f1ae32a1SGerd Hoffmann break; 2267f1ae32a1SGerd Hoffmann case CR_SET_TR_DEQUEUE: 2268f1ae32a1SGerd Hoffmann slotid = xhci_get_slot(xhci, &event, &trb); 2269f1ae32a1SGerd Hoffmann if (slotid) { 2270f1ae32a1SGerd Hoffmann unsigned int epid = (trb.control >> TRB_CR_EPID_SHIFT) 2271f1ae32a1SGerd Hoffmann & TRB_CR_EPID_MASK; 2272f1ae32a1SGerd Hoffmann event.ccode = xhci_set_ep_dequeue(xhci, slotid, epid, 2273f1ae32a1SGerd Hoffmann trb.parameter); 2274f1ae32a1SGerd Hoffmann } 2275f1ae32a1SGerd Hoffmann break; 2276f1ae32a1SGerd Hoffmann case CR_RESET_DEVICE: 2277f1ae32a1SGerd Hoffmann slotid = xhci_get_slot(xhci, &event, &trb); 2278f1ae32a1SGerd Hoffmann if (slotid) { 2279f1ae32a1SGerd Hoffmann event.ccode = xhci_reset_slot(xhci, slotid); 2280f1ae32a1SGerd Hoffmann } 2281f1ae32a1SGerd Hoffmann break; 2282f1ae32a1SGerd Hoffmann case CR_GET_PORT_BANDWIDTH: 2283f1ae32a1SGerd Hoffmann event.ccode = xhci_get_port_bandwidth(xhci, trb.parameter); 2284f1ae32a1SGerd Hoffmann break; 2285f1ae32a1SGerd Hoffmann case CR_VENDOR_VIA_CHALLENGE_RESPONSE: 228659a70ccdSDavid Gibson xhci_via_challenge(xhci, trb.parameter); 2287f1ae32a1SGerd Hoffmann break; 2288f1ae32a1SGerd Hoffmann case CR_VENDOR_NEC_FIRMWARE_REVISION: 2289f1ae32a1SGerd Hoffmann event.type = 48; /* NEC reply */ 2290f1ae32a1SGerd Hoffmann event.length = 0x3025; 2291f1ae32a1SGerd Hoffmann break; 2292f1ae32a1SGerd Hoffmann case CR_VENDOR_NEC_CHALLENGE_RESPONSE: 2293f1ae32a1SGerd Hoffmann { 2294f1ae32a1SGerd Hoffmann uint32_t chi = trb.parameter >> 32; 2295f1ae32a1SGerd Hoffmann uint32_t clo = trb.parameter; 2296f1ae32a1SGerd Hoffmann uint32_t val = xhci_nec_challenge(chi, clo); 2297f1ae32a1SGerd Hoffmann event.length = val & 0xFFFF; 2298f1ae32a1SGerd Hoffmann event.epid = val >> 16; 2299f1ae32a1SGerd Hoffmann slotid = val >> 24; 2300f1ae32a1SGerd Hoffmann event.type = 48; /* NEC reply */ 2301f1ae32a1SGerd Hoffmann } 2302f1ae32a1SGerd Hoffmann break; 2303f1ae32a1SGerd Hoffmann default: 2304f1ae32a1SGerd Hoffmann fprintf(stderr, "xhci: unimplemented command %d\n", type); 2305f1ae32a1SGerd Hoffmann event.ccode = CC_TRB_ERROR; 2306f1ae32a1SGerd Hoffmann break; 2307f1ae32a1SGerd Hoffmann } 2308f1ae32a1SGerd Hoffmann event.slotid = slotid; 23092d1de850SGerd Hoffmann xhci_event(xhci, &event, 0); 2310f1ae32a1SGerd Hoffmann } 2311f1ae32a1SGerd Hoffmann } 2312f1ae32a1SGerd Hoffmann 2313f1ae32a1SGerd Hoffmann static void xhci_update_port(XHCIState *xhci, XHCIPort *port, int is_detach) 2314f1ae32a1SGerd Hoffmann { 2315f1ae32a1SGerd Hoffmann port->portsc = PORTSC_PP; 23160846e635SGerd Hoffmann if (port->uport->dev && port->uport->dev->attached && !is_detach && 23170846e635SGerd Hoffmann (1 << port->uport->dev->speed) & port->speedmask) { 2318f1ae32a1SGerd Hoffmann port->portsc |= PORTSC_CCS; 23190846e635SGerd Hoffmann switch (port->uport->dev->speed) { 2320f1ae32a1SGerd Hoffmann case USB_SPEED_LOW: 2321f1ae32a1SGerd Hoffmann port->portsc |= PORTSC_SPEED_LOW; 2322f1ae32a1SGerd Hoffmann break; 2323f1ae32a1SGerd Hoffmann case USB_SPEED_FULL: 2324f1ae32a1SGerd Hoffmann port->portsc |= PORTSC_SPEED_FULL; 2325f1ae32a1SGerd Hoffmann break; 2326f1ae32a1SGerd Hoffmann case USB_SPEED_HIGH: 2327f1ae32a1SGerd Hoffmann port->portsc |= PORTSC_SPEED_HIGH; 2328f1ae32a1SGerd Hoffmann break; 23290846e635SGerd Hoffmann case USB_SPEED_SUPER: 23300846e635SGerd Hoffmann port->portsc |= PORTSC_SPEED_SUPER; 23310846e635SGerd Hoffmann break; 2332f1ae32a1SGerd Hoffmann } 2333f1ae32a1SGerd Hoffmann } 2334f1ae32a1SGerd Hoffmann 2335f1ae32a1SGerd Hoffmann if (xhci_running(xhci)) { 2336f1ae32a1SGerd Hoffmann port->portsc |= PORTSC_CSC; 23370846e635SGerd Hoffmann XHCIEvent ev = { ER_PORT_STATUS_CHANGE, CC_SUCCESS, 23380846e635SGerd Hoffmann port->portnr << 24}; 23392d1de850SGerd Hoffmann xhci_event(xhci, &ev, 0); 23400846e635SGerd Hoffmann DPRINTF("xhci: port change event for port %d\n", port->portnr); 2341f1ae32a1SGerd Hoffmann } 2342f1ae32a1SGerd Hoffmann } 2343f1ae32a1SGerd Hoffmann 234464619739SJan Kiszka static void xhci_reset(DeviceState *dev) 2345f1ae32a1SGerd Hoffmann { 234664619739SJan Kiszka XHCIState *xhci = DO_UPCAST(XHCIState, pci_dev.qdev, dev); 2347f1ae32a1SGerd Hoffmann int i; 2348f1ae32a1SGerd Hoffmann 23492d754a10SGerd Hoffmann trace_usb_xhci_reset(); 2350f1ae32a1SGerd Hoffmann if (!(xhci->usbsts & USBSTS_HCH)) { 2351f1ae32a1SGerd Hoffmann fprintf(stderr, "xhci: reset while running!\n"); 2352f1ae32a1SGerd Hoffmann } 2353f1ae32a1SGerd Hoffmann 2354f1ae32a1SGerd Hoffmann xhci->usbcmd = 0; 2355f1ae32a1SGerd Hoffmann xhci->usbsts = USBSTS_HCH; 2356f1ae32a1SGerd Hoffmann xhci->dnctrl = 0; 2357f1ae32a1SGerd Hoffmann xhci->crcr_low = 0; 2358f1ae32a1SGerd Hoffmann xhci->crcr_high = 0; 2359f1ae32a1SGerd Hoffmann xhci->dcbaap_low = 0; 2360f1ae32a1SGerd Hoffmann xhci->dcbaap_high = 0; 2361f1ae32a1SGerd Hoffmann xhci->config = 0; 2362f1ae32a1SGerd Hoffmann xhci->devaddr = 2; 2363f1ae32a1SGerd Hoffmann 2364f1ae32a1SGerd Hoffmann for (i = 0; i < MAXSLOTS; i++) { 2365f1ae32a1SGerd Hoffmann xhci_disable_slot(xhci, i+1); 2366f1ae32a1SGerd Hoffmann } 2367f1ae32a1SGerd Hoffmann 23680846e635SGerd Hoffmann for (i = 0; i < xhci->numports; i++) { 2369f1ae32a1SGerd Hoffmann xhci_update_port(xhci, xhci->ports + i, 0); 2370f1ae32a1SGerd Hoffmann } 2371f1ae32a1SGerd Hoffmann 2372962d11e1SGerd Hoffmann for (i = 0; i < MAXINTRS; i++) { 2373962d11e1SGerd Hoffmann xhci->intr[i].iman = 0; 2374962d11e1SGerd Hoffmann xhci->intr[i].imod = 0; 2375962d11e1SGerd Hoffmann xhci->intr[i].erstsz = 0; 2376962d11e1SGerd Hoffmann xhci->intr[i].erstba_low = 0; 2377962d11e1SGerd Hoffmann xhci->intr[i].erstba_high = 0; 2378962d11e1SGerd Hoffmann xhci->intr[i].erdp_low = 0; 2379962d11e1SGerd Hoffmann xhci->intr[i].erdp_high = 0; 2380962d11e1SGerd Hoffmann xhci->intr[i].msix_used = 0; 2381f1ae32a1SGerd Hoffmann 2382962d11e1SGerd Hoffmann xhci->intr[i].er_ep_idx = 0; 2383962d11e1SGerd Hoffmann xhci->intr[i].er_pcs = 1; 2384962d11e1SGerd Hoffmann xhci->intr[i].er_full = 0; 2385962d11e1SGerd Hoffmann xhci->intr[i].ev_buffer_put = 0; 2386962d11e1SGerd Hoffmann xhci->intr[i].ev_buffer_get = 0; 2387962d11e1SGerd Hoffmann } 238801546fa6SGerd Hoffmann 238901546fa6SGerd Hoffmann xhci->mfindex_start = qemu_get_clock_ns(vm_clock); 239001546fa6SGerd Hoffmann xhci_mfwrap_update(xhci); 2391f1ae32a1SGerd Hoffmann } 2392f1ae32a1SGerd Hoffmann 2393a8170e5eSAvi Kivity static uint64_t xhci_cap_read(void *ptr, hwaddr reg, unsigned size) 2394f1ae32a1SGerd Hoffmann { 23951b067564SGerd Hoffmann XHCIState *xhci = ptr; 23962d754a10SGerd Hoffmann uint32_t ret; 2397f1ae32a1SGerd Hoffmann 2398f1ae32a1SGerd Hoffmann switch (reg) { 2399f1ae32a1SGerd Hoffmann case 0x00: /* HCIVERSION, CAPLENGTH */ 24002d754a10SGerd Hoffmann ret = 0x01000000 | LEN_CAP; 24012d754a10SGerd Hoffmann break; 2402f1ae32a1SGerd Hoffmann case 0x04: /* HCSPARAMS 1 */ 24030846e635SGerd Hoffmann ret = ((xhci->numports_2+xhci->numports_3)<<24) 24040846e635SGerd Hoffmann | (MAXINTRS<<8) | MAXSLOTS; 24052d754a10SGerd Hoffmann break; 2406f1ae32a1SGerd Hoffmann case 0x08: /* HCSPARAMS 2 */ 24072d754a10SGerd Hoffmann ret = 0x0000000f; 24082d754a10SGerd Hoffmann break; 2409f1ae32a1SGerd Hoffmann case 0x0c: /* HCSPARAMS 3 */ 24102d754a10SGerd Hoffmann ret = 0x00000000; 24112d754a10SGerd Hoffmann break; 2412f1ae32a1SGerd Hoffmann case 0x10: /* HCCPARAMS */ 24132d754a10SGerd Hoffmann if (sizeof(dma_addr_t) == 4) { 24142d754a10SGerd Hoffmann ret = 0x00081000; 24152d754a10SGerd Hoffmann } else { 24162d754a10SGerd Hoffmann ret = 0x00081001; 24172d754a10SGerd Hoffmann } 24182d754a10SGerd Hoffmann break; 2419f1ae32a1SGerd Hoffmann case 0x14: /* DBOFF */ 24202d754a10SGerd Hoffmann ret = OFF_DOORBELL; 24212d754a10SGerd Hoffmann break; 2422f1ae32a1SGerd Hoffmann case 0x18: /* RTSOFF */ 24232d754a10SGerd Hoffmann ret = OFF_RUNTIME; 24242d754a10SGerd Hoffmann break; 2425f1ae32a1SGerd Hoffmann 2426f1ae32a1SGerd Hoffmann /* extended capabilities */ 2427f1ae32a1SGerd Hoffmann case 0x20: /* Supported Protocol:00 */ 24282d754a10SGerd Hoffmann ret = 0x02000402; /* USB 2.0 */ 24292d754a10SGerd Hoffmann break; 2430f1ae32a1SGerd Hoffmann case 0x24: /* Supported Protocol:04 */ 24312d754a10SGerd Hoffmann ret = 0x20425455; /* "USB " */ 24322d754a10SGerd Hoffmann break; 2433f1ae32a1SGerd Hoffmann case 0x28: /* Supported Protocol:08 */ 24340846e635SGerd Hoffmann ret = 0x00000001 | (xhci->numports_2<<8); 24352d754a10SGerd Hoffmann break; 2436f1ae32a1SGerd Hoffmann case 0x2c: /* Supported Protocol:0c */ 24372d754a10SGerd Hoffmann ret = 0x00000000; /* reserved */ 24382d754a10SGerd Hoffmann break; 2439f1ae32a1SGerd Hoffmann case 0x30: /* Supported Protocol:00 */ 24402d754a10SGerd Hoffmann ret = 0x03000002; /* USB 3.0 */ 24412d754a10SGerd Hoffmann break; 2442f1ae32a1SGerd Hoffmann case 0x34: /* Supported Protocol:04 */ 24432d754a10SGerd Hoffmann ret = 0x20425455; /* "USB " */ 24442d754a10SGerd Hoffmann break; 2445f1ae32a1SGerd Hoffmann case 0x38: /* Supported Protocol:08 */ 24460846e635SGerd Hoffmann ret = 0x00000000 | (xhci->numports_2+1) | (xhci->numports_3<<8); 24472d754a10SGerd Hoffmann break; 2448f1ae32a1SGerd Hoffmann case 0x3c: /* Supported Protocol:0c */ 24492d754a10SGerd Hoffmann ret = 0x00000000; /* reserved */ 24502d754a10SGerd Hoffmann break; 2451f1ae32a1SGerd Hoffmann default: 24521b067564SGerd Hoffmann fprintf(stderr, "xhci_cap_read: reg %d unimplemented\n", (int)reg); 24532d754a10SGerd Hoffmann ret = 0; 2454f1ae32a1SGerd Hoffmann } 24552d754a10SGerd Hoffmann 24562d754a10SGerd Hoffmann trace_usb_xhci_cap_read(reg, ret); 24572d754a10SGerd Hoffmann return ret; 2458f1ae32a1SGerd Hoffmann } 2459f1ae32a1SGerd Hoffmann 2460a8170e5eSAvi Kivity static uint64_t xhci_port_read(void *ptr, hwaddr reg, unsigned size) 2461f1ae32a1SGerd Hoffmann { 24621d8a4e69SGerd Hoffmann XHCIPort *port = ptr; 24632d754a10SGerd Hoffmann uint32_t ret; 24642d754a10SGerd Hoffmann 24651d8a4e69SGerd Hoffmann switch (reg) { 2466f1ae32a1SGerd Hoffmann case 0x00: /* PORTSC */ 24671d8a4e69SGerd Hoffmann ret = port->portsc; 24682d754a10SGerd Hoffmann break; 2469f1ae32a1SGerd Hoffmann case 0x04: /* PORTPMSC */ 2470f1ae32a1SGerd Hoffmann case 0x08: /* PORTLI */ 24712d754a10SGerd Hoffmann ret = 0; 24722d754a10SGerd Hoffmann break; 2473f1ae32a1SGerd Hoffmann case 0x0c: /* reserved */ 2474f1ae32a1SGerd Hoffmann default: 2475f1ae32a1SGerd Hoffmann fprintf(stderr, "xhci_port_read (port %d): reg 0x%x unimplemented\n", 24761d8a4e69SGerd Hoffmann port->portnr, (uint32_t)reg); 24772d754a10SGerd Hoffmann ret = 0; 2478f1ae32a1SGerd Hoffmann } 24792d754a10SGerd Hoffmann 24801d8a4e69SGerd Hoffmann trace_usb_xhci_port_read(port->portnr, reg, ret); 24812d754a10SGerd Hoffmann return ret; 2482f1ae32a1SGerd Hoffmann } 2483f1ae32a1SGerd Hoffmann 2484a8170e5eSAvi Kivity static void xhci_port_write(void *ptr, hwaddr reg, 24851d8a4e69SGerd Hoffmann uint64_t val, unsigned size) 2486f1ae32a1SGerd Hoffmann { 24871d8a4e69SGerd Hoffmann XHCIPort *port = ptr; 2488f1ae32a1SGerd Hoffmann uint32_t portsc; 2489f1ae32a1SGerd Hoffmann 24901d8a4e69SGerd Hoffmann trace_usb_xhci_port_write(port->portnr, reg, val); 24912d754a10SGerd Hoffmann 24921d8a4e69SGerd Hoffmann switch (reg) { 2493f1ae32a1SGerd Hoffmann case 0x00: /* PORTSC */ 24941d8a4e69SGerd Hoffmann portsc = port->portsc; 2495f1ae32a1SGerd Hoffmann /* write-1-to-clear bits*/ 2496f1ae32a1SGerd Hoffmann portsc &= ~(val & (PORTSC_CSC|PORTSC_PEC|PORTSC_WRC|PORTSC_OCC| 2497f1ae32a1SGerd Hoffmann PORTSC_PRC|PORTSC_PLC|PORTSC_CEC)); 2498f1ae32a1SGerd Hoffmann if (val & PORTSC_LWS) { 2499f1ae32a1SGerd Hoffmann /* overwrite PLS only when LWS=1 */ 2500f1ae32a1SGerd Hoffmann portsc &= ~(PORTSC_PLS_MASK << PORTSC_PLS_SHIFT); 2501f1ae32a1SGerd Hoffmann portsc |= val & (PORTSC_PLS_MASK << PORTSC_PLS_SHIFT); 2502f1ae32a1SGerd Hoffmann } 2503f1ae32a1SGerd Hoffmann /* read/write bits */ 2504f1ae32a1SGerd Hoffmann portsc &= ~(PORTSC_PP|PORTSC_WCE|PORTSC_WDE|PORTSC_WOE); 2505f1ae32a1SGerd Hoffmann portsc |= (val & (PORTSC_PP|PORTSC_WCE|PORTSC_WDE|PORTSC_WOE)); 2506f1ae32a1SGerd Hoffmann /* write-1-to-start bits */ 2507f1ae32a1SGerd Hoffmann if (val & PORTSC_PR) { 2508f1ae32a1SGerd Hoffmann DPRINTF("xhci: port %d reset\n", port); 25091d8a4e69SGerd Hoffmann usb_device_reset(port->uport->dev); 2510f1ae32a1SGerd Hoffmann portsc |= PORTSC_PRC | PORTSC_PED; 2511f1ae32a1SGerd Hoffmann } 25121d8a4e69SGerd Hoffmann port->portsc = portsc; 2513f1ae32a1SGerd Hoffmann break; 2514f1ae32a1SGerd Hoffmann case 0x04: /* PORTPMSC */ 2515f1ae32a1SGerd Hoffmann case 0x08: /* PORTLI */ 2516f1ae32a1SGerd Hoffmann default: 2517f1ae32a1SGerd Hoffmann fprintf(stderr, "xhci_port_write (port %d): reg 0x%x unimplemented\n", 25181d8a4e69SGerd Hoffmann port->portnr, (uint32_t)reg); 2519f1ae32a1SGerd Hoffmann } 2520f1ae32a1SGerd Hoffmann } 2521f1ae32a1SGerd Hoffmann 2522a8170e5eSAvi Kivity static uint64_t xhci_oper_read(void *ptr, hwaddr reg, unsigned size) 2523f1ae32a1SGerd Hoffmann { 25241b067564SGerd Hoffmann XHCIState *xhci = ptr; 25252d754a10SGerd Hoffmann uint32_t ret; 2526f1ae32a1SGerd Hoffmann 2527f1ae32a1SGerd Hoffmann switch (reg) { 2528f1ae32a1SGerd Hoffmann case 0x00: /* USBCMD */ 25292d754a10SGerd Hoffmann ret = xhci->usbcmd; 25302d754a10SGerd Hoffmann break; 2531f1ae32a1SGerd Hoffmann case 0x04: /* USBSTS */ 25322d754a10SGerd Hoffmann ret = xhci->usbsts; 25332d754a10SGerd Hoffmann break; 2534f1ae32a1SGerd Hoffmann case 0x08: /* PAGESIZE */ 25352d754a10SGerd Hoffmann ret = 1; /* 4KiB */ 25362d754a10SGerd Hoffmann break; 2537f1ae32a1SGerd Hoffmann case 0x14: /* DNCTRL */ 25382d754a10SGerd Hoffmann ret = xhci->dnctrl; 25392d754a10SGerd Hoffmann break; 2540f1ae32a1SGerd Hoffmann case 0x18: /* CRCR low */ 25412d754a10SGerd Hoffmann ret = xhci->crcr_low & ~0xe; 25422d754a10SGerd Hoffmann break; 2543f1ae32a1SGerd Hoffmann case 0x1c: /* CRCR high */ 25442d754a10SGerd Hoffmann ret = xhci->crcr_high; 25452d754a10SGerd Hoffmann break; 2546f1ae32a1SGerd Hoffmann case 0x30: /* DCBAAP low */ 25472d754a10SGerd Hoffmann ret = xhci->dcbaap_low; 25482d754a10SGerd Hoffmann break; 2549f1ae32a1SGerd Hoffmann case 0x34: /* DCBAAP high */ 25502d754a10SGerd Hoffmann ret = xhci->dcbaap_high; 25512d754a10SGerd Hoffmann break; 2552f1ae32a1SGerd Hoffmann case 0x38: /* CONFIG */ 25532d754a10SGerd Hoffmann ret = xhci->config; 25542d754a10SGerd Hoffmann break; 2555f1ae32a1SGerd Hoffmann default: 25561b067564SGerd Hoffmann fprintf(stderr, "xhci_oper_read: reg 0x%x unimplemented\n", (int)reg); 25572d754a10SGerd Hoffmann ret = 0; 2558f1ae32a1SGerd Hoffmann } 25592d754a10SGerd Hoffmann 25602d754a10SGerd Hoffmann trace_usb_xhci_oper_read(reg, ret); 25612d754a10SGerd Hoffmann return ret; 2562f1ae32a1SGerd Hoffmann } 2563f1ae32a1SGerd Hoffmann 2564a8170e5eSAvi Kivity static void xhci_oper_write(void *ptr, hwaddr reg, 25651b067564SGerd Hoffmann uint64_t val, unsigned size) 2566f1ae32a1SGerd Hoffmann { 25671b067564SGerd Hoffmann XHCIState *xhci = ptr; 25681b067564SGerd Hoffmann 25692d754a10SGerd Hoffmann trace_usb_xhci_oper_write(reg, val); 25702d754a10SGerd Hoffmann 2571f1ae32a1SGerd Hoffmann switch (reg) { 2572f1ae32a1SGerd Hoffmann case 0x00: /* USBCMD */ 2573f1ae32a1SGerd Hoffmann if ((val & USBCMD_RS) && !(xhci->usbcmd & USBCMD_RS)) { 2574f1ae32a1SGerd Hoffmann xhci_run(xhci); 2575f1ae32a1SGerd Hoffmann } else if (!(val & USBCMD_RS) && (xhci->usbcmd & USBCMD_RS)) { 2576f1ae32a1SGerd Hoffmann xhci_stop(xhci); 2577f1ae32a1SGerd Hoffmann } 2578f1ae32a1SGerd Hoffmann xhci->usbcmd = val & 0xc0f; 257901546fa6SGerd Hoffmann xhci_mfwrap_update(xhci); 2580f1ae32a1SGerd Hoffmann if (val & USBCMD_HCRST) { 258164619739SJan Kiszka xhci_reset(&xhci->pci_dev.qdev); 2582f1ae32a1SGerd Hoffmann } 25834c4abe7cSGerd Hoffmann xhci_intx_update(xhci); 2584f1ae32a1SGerd Hoffmann break; 2585f1ae32a1SGerd Hoffmann 2586f1ae32a1SGerd Hoffmann case 0x04: /* USBSTS */ 2587f1ae32a1SGerd Hoffmann /* these bits are write-1-to-clear */ 2588f1ae32a1SGerd Hoffmann xhci->usbsts &= ~(val & (USBSTS_HSE|USBSTS_EINT|USBSTS_PCD|USBSTS_SRE)); 25894c4abe7cSGerd Hoffmann xhci_intx_update(xhci); 2590f1ae32a1SGerd Hoffmann break; 2591f1ae32a1SGerd Hoffmann 2592f1ae32a1SGerd Hoffmann case 0x14: /* DNCTRL */ 2593f1ae32a1SGerd Hoffmann xhci->dnctrl = val & 0xffff; 2594f1ae32a1SGerd Hoffmann break; 2595f1ae32a1SGerd Hoffmann case 0x18: /* CRCR low */ 2596f1ae32a1SGerd Hoffmann xhci->crcr_low = (val & 0xffffffcf) | (xhci->crcr_low & CRCR_CRR); 2597f1ae32a1SGerd Hoffmann break; 2598f1ae32a1SGerd Hoffmann case 0x1c: /* CRCR high */ 2599f1ae32a1SGerd Hoffmann xhci->crcr_high = val; 2600f1ae32a1SGerd Hoffmann if (xhci->crcr_low & (CRCR_CA|CRCR_CS) && (xhci->crcr_low & CRCR_CRR)) { 2601f1ae32a1SGerd Hoffmann XHCIEvent event = {ER_COMMAND_COMPLETE, CC_COMMAND_RING_STOPPED}; 2602f1ae32a1SGerd Hoffmann xhci->crcr_low &= ~CRCR_CRR; 26032d1de850SGerd Hoffmann xhci_event(xhci, &event, 0); 2604f1ae32a1SGerd Hoffmann DPRINTF("xhci: command ring stopped (CRCR=%08x)\n", xhci->crcr_low); 2605f1ae32a1SGerd Hoffmann } else { 260659a70ccdSDavid Gibson dma_addr_t base = xhci_addr64(xhci->crcr_low & ~0x3f, val); 2607f1ae32a1SGerd Hoffmann xhci_ring_init(xhci, &xhci->cmd_ring, base); 2608f1ae32a1SGerd Hoffmann } 2609f1ae32a1SGerd Hoffmann xhci->crcr_low &= ~(CRCR_CA | CRCR_CS); 2610f1ae32a1SGerd Hoffmann break; 2611f1ae32a1SGerd Hoffmann case 0x30: /* DCBAAP low */ 2612f1ae32a1SGerd Hoffmann xhci->dcbaap_low = val & 0xffffffc0; 2613f1ae32a1SGerd Hoffmann break; 2614f1ae32a1SGerd Hoffmann case 0x34: /* DCBAAP high */ 2615f1ae32a1SGerd Hoffmann xhci->dcbaap_high = val; 2616f1ae32a1SGerd Hoffmann break; 2617f1ae32a1SGerd Hoffmann case 0x38: /* CONFIG */ 2618f1ae32a1SGerd Hoffmann xhci->config = val & 0xff; 2619f1ae32a1SGerd Hoffmann break; 2620f1ae32a1SGerd Hoffmann default: 26211b067564SGerd Hoffmann fprintf(stderr, "xhci_oper_write: reg 0x%x unimplemented\n", (int)reg); 2622f1ae32a1SGerd Hoffmann } 2623f1ae32a1SGerd Hoffmann } 2624f1ae32a1SGerd Hoffmann 2625a8170e5eSAvi Kivity static uint64_t xhci_runtime_read(void *ptr, hwaddr reg, 26261b067564SGerd Hoffmann unsigned size) 2627f1ae32a1SGerd Hoffmann { 26281b067564SGerd Hoffmann XHCIState *xhci = ptr; 262943d9d604SGerd Hoffmann uint32_t ret = 0; 2630f1ae32a1SGerd Hoffmann 263143d9d604SGerd Hoffmann if (reg < 0x20) { 2632f1ae32a1SGerd Hoffmann switch (reg) { 2633f1ae32a1SGerd Hoffmann case 0x00: /* MFINDEX */ 263401546fa6SGerd Hoffmann ret = xhci_mfindex_get(xhci) & 0x3fff; 26352d754a10SGerd Hoffmann break; 2636f1ae32a1SGerd Hoffmann default: 26371b067564SGerd Hoffmann fprintf(stderr, "xhci_runtime_read: reg 0x%x unimplemented\n", 26381b067564SGerd Hoffmann (int)reg); 263943d9d604SGerd Hoffmann break; 264043d9d604SGerd Hoffmann } 264143d9d604SGerd Hoffmann } else { 264243d9d604SGerd Hoffmann int v = (reg - 0x20) / 0x20; 264343d9d604SGerd Hoffmann XHCIInterrupter *intr = &xhci->intr[v]; 264443d9d604SGerd Hoffmann switch (reg & 0x1f) { 264543d9d604SGerd Hoffmann case 0x00: /* IMAN */ 264643d9d604SGerd Hoffmann ret = intr->iman; 264743d9d604SGerd Hoffmann break; 264843d9d604SGerd Hoffmann case 0x04: /* IMOD */ 264943d9d604SGerd Hoffmann ret = intr->imod; 265043d9d604SGerd Hoffmann break; 265143d9d604SGerd Hoffmann case 0x08: /* ERSTSZ */ 265243d9d604SGerd Hoffmann ret = intr->erstsz; 265343d9d604SGerd Hoffmann break; 265443d9d604SGerd Hoffmann case 0x10: /* ERSTBA low */ 265543d9d604SGerd Hoffmann ret = intr->erstba_low; 265643d9d604SGerd Hoffmann break; 265743d9d604SGerd Hoffmann case 0x14: /* ERSTBA high */ 265843d9d604SGerd Hoffmann ret = intr->erstba_high; 265943d9d604SGerd Hoffmann break; 266043d9d604SGerd Hoffmann case 0x18: /* ERDP low */ 266143d9d604SGerd Hoffmann ret = intr->erdp_low; 266243d9d604SGerd Hoffmann break; 266343d9d604SGerd Hoffmann case 0x1c: /* ERDP high */ 266443d9d604SGerd Hoffmann ret = intr->erdp_high; 266543d9d604SGerd Hoffmann break; 266643d9d604SGerd Hoffmann } 2667f1ae32a1SGerd Hoffmann } 26682d754a10SGerd Hoffmann 26692d754a10SGerd Hoffmann trace_usb_xhci_runtime_read(reg, ret); 26702d754a10SGerd Hoffmann return ret; 2671f1ae32a1SGerd Hoffmann } 2672f1ae32a1SGerd Hoffmann 2673a8170e5eSAvi Kivity static void xhci_runtime_write(void *ptr, hwaddr reg, 26741b067564SGerd Hoffmann uint64_t val, unsigned size) 2675f1ae32a1SGerd Hoffmann { 26761b067564SGerd Hoffmann XHCIState *xhci = ptr; 267743d9d604SGerd Hoffmann int v = (reg - 0x20) / 0x20; 267843d9d604SGerd Hoffmann XHCIInterrupter *intr = &xhci->intr[v]; 26798e9f18b6SGerd Hoffmann trace_usb_xhci_runtime_write(reg, val); 2680f1ae32a1SGerd Hoffmann 268143d9d604SGerd Hoffmann if (reg < 0x20) { 268279a8af35SGerd Hoffmann fprintf(stderr, "%s: reg 0x%x unimplemented\n", __func__, (int)reg); 268343d9d604SGerd Hoffmann return; 268443d9d604SGerd Hoffmann } 268543d9d604SGerd Hoffmann 268643d9d604SGerd Hoffmann switch (reg & 0x1f) { 268743d9d604SGerd Hoffmann case 0x00: /* IMAN */ 2688f1ae32a1SGerd Hoffmann if (val & IMAN_IP) { 2689962d11e1SGerd Hoffmann intr->iman &= ~IMAN_IP; 2690f1ae32a1SGerd Hoffmann } 2691962d11e1SGerd Hoffmann intr->iman &= ~IMAN_IE; 2692962d11e1SGerd Hoffmann intr->iman |= val & IMAN_IE; 269343d9d604SGerd Hoffmann if (v == 0) { 26944c4abe7cSGerd Hoffmann xhci_intx_update(xhci); 269543d9d604SGerd Hoffmann } 269643d9d604SGerd Hoffmann xhci_msix_update(xhci, v); 2697f1ae32a1SGerd Hoffmann break; 269843d9d604SGerd Hoffmann case 0x04: /* IMOD */ 2699962d11e1SGerd Hoffmann intr->imod = val; 2700f1ae32a1SGerd Hoffmann break; 270143d9d604SGerd Hoffmann case 0x08: /* ERSTSZ */ 2702962d11e1SGerd Hoffmann intr->erstsz = val & 0xffff; 2703f1ae32a1SGerd Hoffmann break; 270443d9d604SGerd Hoffmann case 0x10: /* ERSTBA low */ 2705f1ae32a1SGerd Hoffmann /* XXX NEC driver bug: it doesn't align this to 64 bytes 2706962d11e1SGerd Hoffmann intr->erstba_low = val & 0xffffffc0; */ 2707962d11e1SGerd Hoffmann intr->erstba_low = val & 0xfffffff0; 2708f1ae32a1SGerd Hoffmann break; 270943d9d604SGerd Hoffmann case 0x14: /* ERSTBA high */ 2710962d11e1SGerd Hoffmann intr->erstba_high = val; 271143d9d604SGerd Hoffmann xhci_er_reset(xhci, v); 2712f1ae32a1SGerd Hoffmann break; 271343d9d604SGerd Hoffmann case 0x18: /* ERDP low */ 2714f1ae32a1SGerd Hoffmann if (val & ERDP_EHB) { 2715962d11e1SGerd Hoffmann intr->erdp_low &= ~ERDP_EHB; 2716f1ae32a1SGerd Hoffmann } 2717962d11e1SGerd Hoffmann intr->erdp_low = (val & ~ERDP_EHB) | (intr->erdp_low & ERDP_EHB); 2718f1ae32a1SGerd Hoffmann break; 271943d9d604SGerd Hoffmann case 0x1c: /* ERDP high */ 2720962d11e1SGerd Hoffmann intr->erdp_high = val; 272143d9d604SGerd Hoffmann xhci_events_update(xhci, v); 2722f1ae32a1SGerd Hoffmann break; 2723f1ae32a1SGerd Hoffmann default: 27241b067564SGerd Hoffmann fprintf(stderr, "xhci_oper_write: reg 0x%x unimplemented\n", 27251b067564SGerd Hoffmann (int)reg); 2726f1ae32a1SGerd Hoffmann } 2727f1ae32a1SGerd Hoffmann } 2728f1ae32a1SGerd Hoffmann 2729a8170e5eSAvi Kivity static uint64_t xhci_doorbell_read(void *ptr, hwaddr reg, 27301b067564SGerd Hoffmann unsigned size) 2731f1ae32a1SGerd Hoffmann { 2732f1ae32a1SGerd Hoffmann /* doorbells always read as 0 */ 27332d754a10SGerd Hoffmann trace_usb_xhci_doorbell_read(reg, 0); 2734f1ae32a1SGerd Hoffmann return 0; 2735f1ae32a1SGerd Hoffmann } 2736f1ae32a1SGerd Hoffmann 2737a8170e5eSAvi Kivity static void xhci_doorbell_write(void *ptr, hwaddr reg, 27381b067564SGerd Hoffmann uint64_t val, unsigned size) 2739f1ae32a1SGerd Hoffmann { 27401b067564SGerd Hoffmann XHCIState *xhci = ptr; 27411b067564SGerd Hoffmann 27422d754a10SGerd Hoffmann trace_usb_xhci_doorbell_write(reg, val); 2743f1ae32a1SGerd Hoffmann 2744f1ae32a1SGerd Hoffmann if (!xhci_running(xhci)) { 2745f1ae32a1SGerd Hoffmann fprintf(stderr, "xhci: wrote doorbell while xHC stopped or paused\n"); 2746f1ae32a1SGerd Hoffmann return; 2747f1ae32a1SGerd Hoffmann } 2748f1ae32a1SGerd Hoffmann 2749f1ae32a1SGerd Hoffmann reg >>= 2; 2750f1ae32a1SGerd Hoffmann 2751f1ae32a1SGerd Hoffmann if (reg == 0) { 2752f1ae32a1SGerd Hoffmann if (val == 0) { 2753f1ae32a1SGerd Hoffmann xhci_process_commands(xhci); 2754f1ae32a1SGerd Hoffmann } else { 27551b067564SGerd Hoffmann fprintf(stderr, "xhci: bad doorbell 0 write: 0x%x\n", 27561b067564SGerd Hoffmann (uint32_t)val); 2757f1ae32a1SGerd Hoffmann } 2758f1ae32a1SGerd Hoffmann } else { 2759f1ae32a1SGerd Hoffmann if (reg > MAXSLOTS) { 27601b067564SGerd Hoffmann fprintf(stderr, "xhci: bad doorbell %d\n", (int)reg); 2761f1ae32a1SGerd Hoffmann } else if (val > 31) { 27621b067564SGerd Hoffmann fprintf(stderr, "xhci: bad doorbell %d write: 0x%x\n", 27631b067564SGerd Hoffmann (int)reg, (uint32_t)val); 2764f1ae32a1SGerd Hoffmann } else { 2765f1ae32a1SGerd Hoffmann xhci_kick_ep(xhci, reg, val); 2766f1ae32a1SGerd Hoffmann } 2767f1ae32a1SGerd Hoffmann } 2768f1ae32a1SGerd Hoffmann } 2769f1ae32a1SGerd Hoffmann 27701b067564SGerd Hoffmann static const MemoryRegionOps xhci_cap_ops = { 27711b067564SGerd Hoffmann .read = xhci_cap_read, 27726ee021d4SGerd Hoffmann .valid.min_access_size = 1, 27731b067564SGerd Hoffmann .valid.max_access_size = 4, 27746ee021d4SGerd Hoffmann .impl.min_access_size = 4, 27756ee021d4SGerd Hoffmann .impl.max_access_size = 4, 27761b067564SGerd Hoffmann .endianness = DEVICE_LITTLE_ENDIAN, 27771b067564SGerd Hoffmann }; 2778f1ae32a1SGerd Hoffmann 27791b067564SGerd Hoffmann static const MemoryRegionOps xhci_oper_ops = { 27801b067564SGerd Hoffmann .read = xhci_oper_read, 27811b067564SGerd Hoffmann .write = xhci_oper_write, 27821b067564SGerd Hoffmann .valid.min_access_size = 4, 27831b067564SGerd Hoffmann .valid.max_access_size = 4, 27841b067564SGerd Hoffmann .endianness = DEVICE_LITTLE_ENDIAN, 27851b067564SGerd Hoffmann }; 2786f1ae32a1SGerd Hoffmann 27871d8a4e69SGerd Hoffmann static const MemoryRegionOps xhci_port_ops = { 27881d8a4e69SGerd Hoffmann .read = xhci_port_read, 27891d8a4e69SGerd Hoffmann .write = xhci_port_write, 27901d8a4e69SGerd Hoffmann .valid.min_access_size = 4, 27911d8a4e69SGerd Hoffmann .valid.max_access_size = 4, 27921d8a4e69SGerd Hoffmann .endianness = DEVICE_LITTLE_ENDIAN, 27931d8a4e69SGerd Hoffmann }; 27941d8a4e69SGerd Hoffmann 27951b067564SGerd Hoffmann static const MemoryRegionOps xhci_runtime_ops = { 27961b067564SGerd Hoffmann .read = xhci_runtime_read, 27971b067564SGerd Hoffmann .write = xhci_runtime_write, 27981b067564SGerd Hoffmann .valid.min_access_size = 4, 27991b067564SGerd Hoffmann .valid.max_access_size = 4, 28001b067564SGerd Hoffmann .endianness = DEVICE_LITTLE_ENDIAN, 28011b067564SGerd Hoffmann }; 2802f1ae32a1SGerd Hoffmann 28031b067564SGerd Hoffmann static const MemoryRegionOps xhci_doorbell_ops = { 28041b067564SGerd Hoffmann .read = xhci_doorbell_read, 28051b067564SGerd Hoffmann .write = xhci_doorbell_write, 2806f1ae32a1SGerd Hoffmann .valid.min_access_size = 4, 2807f1ae32a1SGerd Hoffmann .valid.max_access_size = 4, 2808f1ae32a1SGerd Hoffmann .endianness = DEVICE_LITTLE_ENDIAN, 2809f1ae32a1SGerd Hoffmann }; 2810f1ae32a1SGerd Hoffmann 2811f1ae32a1SGerd Hoffmann static void xhci_attach(USBPort *usbport) 2812f1ae32a1SGerd Hoffmann { 2813f1ae32a1SGerd Hoffmann XHCIState *xhci = usbport->opaque; 28140846e635SGerd Hoffmann XHCIPort *port = xhci_lookup_port(xhci, usbport); 2815f1ae32a1SGerd Hoffmann 2816f1ae32a1SGerd Hoffmann xhci_update_port(xhci, port, 0); 2817f1ae32a1SGerd Hoffmann } 2818f1ae32a1SGerd Hoffmann 2819f1ae32a1SGerd Hoffmann static void xhci_detach(USBPort *usbport) 2820f1ae32a1SGerd Hoffmann { 2821f1ae32a1SGerd Hoffmann XHCIState *xhci = usbport->opaque; 28220846e635SGerd Hoffmann XHCIPort *port = xhci_lookup_port(xhci, usbport); 2823f1ae32a1SGerd Hoffmann 2824f1ae32a1SGerd Hoffmann xhci_update_port(xhci, port, 1); 2825f1ae32a1SGerd Hoffmann } 2826f1ae32a1SGerd Hoffmann 2827f1ae32a1SGerd Hoffmann static void xhci_wakeup(USBPort *usbport) 2828f1ae32a1SGerd Hoffmann { 2829f1ae32a1SGerd Hoffmann XHCIState *xhci = usbport->opaque; 28300846e635SGerd Hoffmann XHCIPort *port = xhci_lookup_port(xhci, usbport); 28310846e635SGerd Hoffmann XHCIEvent ev = { ER_PORT_STATUS_CHANGE, CC_SUCCESS, 28320846e635SGerd Hoffmann port->portnr << 24}; 2833f1ae32a1SGerd Hoffmann uint32_t pls; 2834f1ae32a1SGerd Hoffmann 2835f1ae32a1SGerd Hoffmann pls = (port->portsc >> PORTSC_PLS_SHIFT) & PORTSC_PLS_MASK; 2836f1ae32a1SGerd Hoffmann if (pls != 3) { 2837f1ae32a1SGerd Hoffmann return; 2838f1ae32a1SGerd Hoffmann } 2839f1ae32a1SGerd Hoffmann port->portsc |= 0xf << PORTSC_PLS_SHIFT; 2840f1ae32a1SGerd Hoffmann if (port->portsc & PORTSC_PLC) { 2841f1ae32a1SGerd Hoffmann return; 2842f1ae32a1SGerd Hoffmann } 2843f1ae32a1SGerd Hoffmann port->portsc |= PORTSC_PLC; 28442d1de850SGerd Hoffmann xhci_event(xhci, &ev, 0); 2845f1ae32a1SGerd Hoffmann } 2846f1ae32a1SGerd Hoffmann 2847f1ae32a1SGerd Hoffmann static void xhci_complete(USBPort *port, USBPacket *packet) 2848f1ae32a1SGerd Hoffmann { 2849f1ae32a1SGerd Hoffmann XHCITransfer *xfer = container_of(packet, XHCITransfer, packet); 2850f1ae32a1SGerd Hoffmann 28510cae7b1aSHans de Goede if (packet->result == USB_RET_REMOVE_FROM_QUEUE) { 28520cae7b1aSHans de Goede xhci_ep_nuke_one_xfer(xfer); 28530cae7b1aSHans de Goede return; 28540cae7b1aSHans de Goede } 2855f1ae32a1SGerd Hoffmann xhci_complete_packet(xfer, packet->result); 2856f1ae32a1SGerd Hoffmann xhci_kick_ep(xfer->xhci, xfer->slotid, xfer->epid); 2857f1ae32a1SGerd Hoffmann } 2858f1ae32a1SGerd Hoffmann 2859ccaf87a0SGerd Hoffmann static void xhci_child_detach(USBPort *uport, USBDevice *child) 2860f1ae32a1SGerd Hoffmann { 2861ccaf87a0SGerd Hoffmann USBBus *bus = usb_bus_from_device(child); 2862ccaf87a0SGerd Hoffmann XHCIState *xhci = container_of(bus, XHCIState, bus); 2863ccaf87a0SGerd Hoffmann int i; 2864ccaf87a0SGerd Hoffmann 2865ccaf87a0SGerd Hoffmann for (i = 0; i < MAXSLOTS; i++) { 2866ccaf87a0SGerd Hoffmann if (xhci->slots[i].uport == uport) { 2867ccaf87a0SGerd Hoffmann xhci->slots[i].uport = NULL; 2868ccaf87a0SGerd Hoffmann } 2869ccaf87a0SGerd Hoffmann } 2870f1ae32a1SGerd Hoffmann } 2871f1ae32a1SGerd Hoffmann 28721d8a4e69SGerd Hoffmann static USBPortOps xhci_uport_ops = { 2873f1ae32a1SGerd Hoffmann .attach = xhci_attach, 2874f1ae32a1SGerd Hoffmann .detach = xhci_detach, 2875f1ae32a1SGerd Hoffmann .wakeup = xhci_wakeup, 2876f1ae32a1SGerd Hoffmann .complete = xhci_complete, 2877f1ae32a1SGerd Hoffmann .child_detach = xhci_child_detach, 2878f1ae32a1SGerd Hoffmann }; 2879f1ae32a1SGerd Hoffmann 2880f1ae32a1SGerd Hoffmann static int xhci_find_slotid(XHCIState *xhci, USBDevice *dev) 2881f1ae32a1SGerd Hoffmann { 2882f1ae32a1SGerd Hoffmann XHCISlot *slot; 2883f1ae32a1SGerd Hoffmann int slotid; 2884f1ae32a1SGerd Hoffmann 2885f1ae32a1SGerd Hoffmann for (slotid = 1; slotid <= MAXSLOTS; slotid++) { 2886f1ae32a1SGerd Hoffmann slot = &xhci->slots[slotid-1]; 2887f1ae32a1SGerd Hoffmann if (slot->devaddr == dev->addr) { 2888f1ae32a1SGerd Hoffmann return slotid; 2889f1ae32a1SGerd Hoffmann } 2890f1ae32a1SGerd Hoffmann } 2891f1ae32a1SGerd Hoffmann return 0; 2892f1ae32a1SGerd Hoffmann } 2893f1ae32a1SGerd Hoffmann 2894f1ae32a1SGerd Hoffmann static int xhci_find_epid(USBEndpoint *ep) 2895f1ae32a1SGerd Hoffmann { 2896f1ae32a1SGerd Hoffmann if (ep->nr == 0) { 2897f1ae32a1SGerd Hoffmann return 1; 2898f1ae32a1SGerd Hoffmann } 2899f1ae32a1SGerd Hoffmann if (ep->pid == USB_TOKEN_IN) { 2900f1ae32a1SGerd Hoffmann return ep->nr * 2 + 1; 2901f1ae32a1SGerd Hoffmann } else { 2902f1ae32a1SGerd Hoffmann return ep->nr * 2; 2903f1ae32a1SGerd Hoffmann } 2904f1ae32a1SGerd Hoffmann } 2905f1ae32a1SGerd Hoffmann 2906f1ae32a1SGerd Hoffmann static void xhci_wakeup_endpoint(USBBus *bus, USBEndpoint *ep) 2907f1ae32a1SGerd Hoffmann { 2908f1ae32a1SGerd Hoffmann XHCIState *xhci = container_of(bus, XHCIState, bus); 2909f1ae32a1SGerd Hoffmann int slotid; 2910f1ae32a1SGerd Hoffmann 2911f1ae32a1SGerd Hoffmann DPRINTF("%s\n", __func__); 2912f1ae32a1SGerd Hoffmann slotid = xhci_find_slotid(xhci, ep->dev); 2913f1ae32a1SGerd Hoffmann if (slotid == 0 || !xhci->slots[slotid-1].enabled) { 2914f1ae32a1SGerd Hoffmann DPRINTF("%s: oops, no slot for dev %d\n", __func__, ep->dev->addr); 2915f1ae32a1SGerd Hoffmann return; 2916f1ae32a1SGerd Hoffmann } 2917f1ae32a1SGerd Hoffmann xhci_kick_ep(xhci, slotid, xhci_find_epid(ep)); 2918f1ae32a1SGerd Hoffmann } 2919f1ae32a1SGerd Hoffmann 2920f1ae32a1SGerd Hoffmann static USBBusOps xhci_bus_ops = { 2921f1ae32a1SGerd Hoffmann .wakeup_endpoint = xhci_wakeup_endpoint, 2922f1ae32a1SGerd Hoffmann }; 2923f1ae32a1SGerd Hoffmann 2924f1ae32a1SGerd Hoffmann static void usb_xhci_init(XHCIState *xhci, DeviceState *dev) 2925f1ae32a1SGerd Hoffmann { 29260846e635SGerd Hoffmann XHCIPort *port; 29270846e635SGerd Hoffmann int i, usbports, speedmask; 2928f1ae32a1SGerd Hoffmann 2929f1ae32a1SGerd Hoffmann xhci->usbsts = USBSTS_HCH; 2930f1ae32a1SGerd Hoffmann 29310846e635SGerd Hoffmann if (xhci->numports_2 > MAXPORTS_2) { 29320846e635SGerd Hoffmann xhci->numports_2 = MAXPORTS_2; 29330846e635SGerd Hoffmann } 29340846e635SGerd Hoffmann if (xhci->numports_3 > MAXPORTS_3) { 29350846e635SGerd Hoffmann xhci->numports_3 = MAXPORTS_3; 29360846e635SGerd Hoffmann } 29370846e635SGerd Hoffmann usbports = MAX(xhci->numports_2, xhci->numports_3); 29380846e635SGerd Hoffmann xhci->numports = xhci->numports_2 + xhci->numports_3; 29390846e635SGerd Hoffmann 2940f1ae32a1SGerd Hoffmann usb_bus_new(&xhci->bus, &xhci_bus_ops, &xhci->pci_dev.qdev); 2941f1ae32a1SGerd Hoffmann 29420846e635SGerd Hoffmann for (i = 0; i < usbports; i++) { 29430846e635SGerd Hoffmann speedmask = 0; 29440846e635SGerd Hoffmann if (i < xhci->numports_2) { 29450846e635SGerd Hoffmann port = &xhci->ports[i]; 29460846e635SGerd Hoffmann port->portnr = i + 1; 29470846e635SGerd Hoffmann port->uport = &xhci->uports[i]; 29480846e635SGerd Hoffmann port->speedmask = 2949f1ae32a1SGerd Hoffmann USB_SPEED_MASK_LOW | 2950f1ae32a1SGerd Hoffmann USB_SPEED_MASK_FULL | 29510846e635SGerd Hoffmann USB_SPEED_MASK_HIGH; 29521d8a4e69SGerd Hoffmann snprintf(port->name, sizeof(port->name), "usb2 port #%d", i+1); 29530846e635SGerd Hoffmann speedmask |= port->speedmask; 2954f1ae32a1SGerd Hoffmann } 29550846e635SGerd Hoffmann if (i < xhci->numports_3) { 29560846e635SGerd Hoffmann port = &xhci->ports[i + xhci->numports_2]; 29570846e635SGerd Hoffmann port->portnr = i + 1 + xhci->numports_2; 29580846e635SGerd Hoffmann port->uport = &xhci->uports[i]; 29590846e635SGerd Hoffmann port->speedmask = USB_SPEED_MASK_SUPER; 29601d8a4e69SGerd Hoffmann snprintf(port->name, sizeof(port->name), "usb3 port #%d", i+1); 29610846e635SGerd Hoffmann speedmask |= port->speedmask; 29620846e635SGerd Hoffmann } 29630846e635SGerd Hoffmann usb_register_port(&xhci->bus, &xhci->uports[i], xhci, i, 29641d8a4e69SGerd Hoffmann &xhci_uport_ops, speedmask); 2965f1ae32a1SGerd Hoffmann } 2966f1ae32a1SGerd Hoffmann } 2967f1ae32a1SGerd Hoffmann 2968f1ae32a1SGerd Hoffmann static int usb_xhci_initfn(struct PCIDevice *dev) 2969f1ae32a1SGerd Hoffmann { 29701d8a4e69SGerd Hoffmann int i, ret; 2971f1ae32a1SGerd Hoffmann 2972f1ae32a1SGerd Hoffmann XHCIState *xhci = DO_UPCAST(XHCIState, pci_dev, dev); 2973f1ae32a1SGerd Hoffmann 2974f1ae32a1SGerd Hoffmann xhci->pci_dev.config[PCI_CLASS_PROG] = 0x30; /* xHCI */ 2975f1ae32a1SGerd Hoffmann xhci->pci_dev.config[PCI_INTERRUPT_PIN] = 0x01; /* interrupt pin 1 */ 2976f1ae32a1SGerd Hoffmann xhci->pci_dev.config[PCI_CACHE_LINE_SIZE] = 0x10; 2977f1ae32a1SGerd Hoffmann xhci->pci_dev.config[0x60] = 0x30; /* release number */ 2978f1ae32a1SGerd Hoffmann 2979f1ae32a1SGerd Hoffmann usb_xhci_init(xhci, &dev->qdev); 2980f1ae32a1SGerd Hoffmann 298101546fa6SGerd Hoffmann xhci->mfwrap_timer = qemu_new_timer_ns(vm_clock, xhci_mfwrap_timer, xhci); 298201546fa6SGerd Hoffmann 2983f1ae32a1SGerd Hoffmann xhci->irq = xhci->pci_dev.irq[0]; 2984f1ae32a1SGerd Hoffmann 29851b067564SGerd Hoffmann memory_region_init(&xhci->mem, "xhci", LEN_REGS); 29861b067564SGerd Hoffmann memory_region_init_io(&xhci->mem_cap, &xhci_cap_ops, xhci, 29871b067564SGerd Hoffmann "capabilities", LEN_CAP); 29881b067564SGerd Hoffmann memory_region_init_io(&xhci->mem_oper, &xhci_oper_ops, xhci, 29891d8a4e69SGerd Hoffmann "operational", 0x400); 29901b067564SGerd Hoffmann memory_region_init_io(&xhci->mem_runtime, &xhci_runtime_ops, xhci, 29911b067564SGerd Hoffmann "runtime", LEN_RUNTIME); 29921b067564SGerd Hoffmann memory_region_init_io(&xhci->mem_doorbell, &xhci_doorbell_ops, xhci, 29931b067564SGerd Hoffmann "doorbell", LEN_DOORBELL); 29941b067564SGerd Hoffmann 29951b067564SGerd Hoffmann memory_region_add_subregion(&xhci->mem, 0, &xhci->mem_cap); 29961b067564SGerd Hoffmann memory_region_add_subregion(&xhci->mem, OFF_OPER, &xhci->mem_oper); 29971b067564SGerd Hoffmann memory_region_add_subregion(&xhci->mem, OFF_RUNTIME, &xhci->mem_runtime); 29981b067564SGerd Hoffmann memory_region_add_subregion(&xhci->mem, OFF_DOORBELL, &xhci->mem_doorbell); 29991b067564SGerd Hoffmann 30001d8a4e69SGerd Hoffmann for (i = 0; i < xhci->numports; i++) { 30011d8a4e69SGerd Hoffmann XHCIPort *port = &xhci->ports[i]; 30021d8a4e69SGerd Hoffmann uint32_t offset = OFF_OPER + 0x400 + 0x10 * i; 30031d8a4e69SGerd Hoffmann port->xhci = xhci; 30041d8a4e69SGerd Hoffmann memory_region_init_io(&port->mem, &xhci_port_ops, port, 30051d8a4e69SGerd Hoffmann port->name, 0x10); 30061d8a4e69SGerd Hoffmann memory_region_add_subregion(&xhci->mem, offset, &port->mem); 30071d8a4e69SGerd Hoffmann } 30081d8a4e69SGerd Hoffmann 3009f1ae32a1SGerd Hoffmann pci_register_bar(&xhci->pci_dev, 0, 3010f1ae32a1SGerd Hoffmann PCI_BASE_ADDRESS_SPACE_MEMORY|PCI_BASE_ADDRESS_MEM_TYPE_64, 3011f1ae32a1SGerd Hoffmann &xhci->mem); 3012f1ae32a1SGerd Hoffmann 3013f1ae32a1SGerd Hoffmann ret = pcie_cap_init(&xhci->pci_dev, 0xa0, PCI_EXP_TYPE_ENDPOINT, 0); 3014f1ae32a1SGerd Hoffmann assert(ret >= 0); 3015f1ae32a1SGerd Hoffmann 3016c5e9b02dSGerd Hoffmann if (xhci->flags & (1 << XHCI_FLAG_USE_MSI)) { 3017c5e9b02dSGerd Hoffmann msi_init(&xhci->pci_dev, 0x70, MAXINTRS, true, false); 3018f1ae32a1SGerd Hoffmann } 30194c47f800SGerd Hoffmann if (xhci->flags & (1 << XHCI_FLAG_USE_MSI_X)) { 30204c47f800SGerd Hoffmann msix_init(&xhci->pci_dev, MAXINTRS, 30214c47f800SGerd Hoffmann &xhci->mem, 0, OFF_MSIX_TABLE, 30224c47f800SGerd Hoffmann &xhci->mem, 0, OFF_MSIX_PBA, 30234c47f800SGerd Hoffmann 0x90); 30244c47f800SGerd Hoffmann } 3025f1ae32a1SGerd Hoffmann 3026f1ae32a1SGerd Hoffmann return 0; 3027f1ae32a1SGerd Hoffmann } 3028f1ae32a1SGerd Hoffmann 3029f1ae32a1SGerd Hoffmann static const VMStateDescription vmstate_xhci = { 3030f1ae32a1SGerd Hoffmann .name = "xhci", 3031f1ae32a1SGerd Hoffmann .unmigratable = 1, 3032f1ae32a1SGerd Hoffmann }; 3033f1ae32a1SGerd Hoffmann 3034f1ae32a1SGerd Hoffmann static Property xhci_properties[] = { 3035c5e9b02dSGerd Hoffmann DEFINE_PROP_BIT("msi", XHCIState, flags, XHCI_FLAG_USE_MSI, true), 30364c47f800SGerd Hoffmann DEFINE_PROP_BIT("msix", XHCIState, flags, XHCI_FLAG_USE_MSI_X, true), 30370846e635SGerd Hoffmann DEFINE_PROP_UINT32("p2", XHCIState, numports_2, 4), 30380846e635SGerd Hoffmann DEFINE_PROP_UINT32("p3", XHCIState, numports_3, 4), 3039f1ae32a1SGerd Hoffmann DEFINE_PROP_END_OF_LIST(), 3040f1ae32a1SGerd Hoffmann }; 3041f1ae32a1SGerd Hoffmann 3042f1ae32a1SGerd Hoffmann static void xhci_class_init(ObjectClass *klass, void *data) 3043f1ae32a1SGerd Hoffmann { 3044f1ae32a1SGerd Hoffmann PCIDeviceClass *k = PCI_DEVICE_CLASS(klass); 3045f1ae32a1SGerd Hoffmann DeviceClass *dc = DEVICE_CLASS(klass); 3046f1ae32a1SGerd Hoffmann 3047f1ae32a1SGerd Hoffmann dc->vmsd = &vmstate_xhci; 3048f1ae32a1SGerd Hoffmann dc->props = xhci_properties; 304964619739SJan Kiszka dc->reset = xhci_reset; 3050f1ae32a1SGerd Hoffmann k->init = usb_xhci_initfn; 3051f1ae32a1SGerd Hoffmann k->vendor_id = PCI_VENDOR_ID_NEC; 3052f1ae32a1SGerd Hoffmann k->device_id = PCI_DEVICE_ID_NEC_UPD720200; 3053f1ae32a1SGerd Hoffmann k->class_id = PCI_CLASS_SERIAL_USB; 3054f1ae32a1SGerd Hoffmann k->revision = 0x03; 3055f1ae32a1SGerd Hoffmann k->is_express = 1; 3056f1ae32a1SGerd Hoffmann } 3057f1ae32a1SGerd Hoffmann 3058f1ae32a1SGerd Hoffmann static TypeInfo xhci_info = { 3059f1ae32a1SGerd Hoffmann .name = "nec-usb-xhci", 3060f1ae32a1SGerd Hoffmann .parent = TYPE_PCI_DEVICE, 3061f1ae32a1SGerd Hoffmann .instance_size = sizeof(XHCIState), 3062f1ae32a1SGerd Hoffmann .class_init = xhci_class_init, 3063f1ae32a1SGerd Hoffmann }; 3064f1ae32a1SGerd Hoffmann 3065f1ae32a1SGerd Hoffmann static void xhci_register_types(void) 3066f1ae32a1SGerd Hoffmann { 3067f1ae32a1SGerd Hoffmann type_register_static(&xhci_info); 3068f1ae32a1SGerd Hoffmann } 3069f1ae32a1SGerd Hoffmann 3070f1ae32a1SGerd Hoffmann type_init(xhci_register_types) 3071