1f1ae32a1SGerd Hoffmann /* 2f1ae32a1SGerd Hoffmann * USB xHCI controller emulation 3f1ae32a1SGerd Hoffmann * 4f1ae32a1SGerd Hoffmann * Copyright (c) 2011 Securiforest 5f1ae32a1SGerd Hoffmann * Date: 2011-05-11 ; Author: Hector Martin <hector@marcansoft.com> 6f1ae32a1SGerd Hoffmann * Based on usb-ohci.c, emulates Renesas NEC USB 3.0 7f1ae32a1SGerd Hoffmann * 8f1ae32a1SGerd Hoffmann * This library is free software; you can redistribute it and/or 9f1ae32a1SGerd Hoffmann * modify it under the terms of the GNU Lesser General Public 10f1ae32a1SGerd Hoffmann * License as published by the Free Software Foundation; either 11f1ae32a1SGerd Hoffmann * version 2 of the License, or (at your option) any later version. 12f1ae32a1SGerd Hoffmann * 13f1ae32a1SGerd Hoffmann * This library is distributed in the hope that it will be useful, 14f1ae32a1SGerd Hoffmann * but WITHOUT ANY WARRANTY; without even the implied warranty of 15f1ae32a1SGerd Hoffmann * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 16f1ae32a1SGerd Hoffmann * Lesser General Public License for more details. 17f1ae32a1SGerd Hoffmann * 18f1ae32a1SGerd Hoffmann * You should have received a copy of the GNU Lesser General Public 19f1ae32a1SGerd Hoffmann * License along with this library; if not, see <http://www.gnu.org/licenses/>. 20f1ae32a1SGerd Hoffmann */ 21f1ae32a1SGerd Hoffmann #include "hw/hw.h" 221de7afc9SPaolo Bonzini #include "qemu/timer.h" 23f1ae32a1SGerd Hoffmann #include "hw/usb.h" 24a2cb15b0SMichael S. Tsirkin #include "hw/pci/pci.h" 25a2cb15b0SMichael S. Tsirkin #include "hw/pci/msi.h" 26a2cb15b0SMichael S. Tsirkin #include "hw/pci/msix.h" 272d754a10SGerd Hoffmann #include "trace.h" 28f1ae32a1SGerd Hoffmann 29f1ae32a1SGerd Hoffmann //#define DEBUG_XHCI 30f1ae32a1SGerd Hoffmann //#define DEBUG_DATA 31f1ae32a1SGerd Hoffmann 32f1ae32a1SGerd Hoffmann #ifdef DEBUG_XHCI 33f1ae32a1SGerd Hoffmann #define DPRINTF(...) fprintf(stderr, __VA_ARGS__) 34f1ae32a1SGerd Hoffmann #else 35f1ae32a1SGerd Hoffmann #define DPRINTF(...) do {} while (0) 36f1ae32a1SGerd Hoffmann #endif 37*024426acSGerd Hoffmann #define FIXME(_msg) do { fprintf(stderr, "FIXME %s:%d %s\n", \ 38*024426acSGerd Hoffmann __func__, __LINE__, _msg); abort(); } while (0) 39f1ae32a1SGerd Hoffmann 40d95e74eaSGerd Hoffmann #define MAXPORTS_2 15 41d95e74eaSGerd Hoffmann #define MAXPORTS_3 15 42f1ae32a1SGerd Hoffmann 430846e635SGerd Hoffmann #define MAXPORTS (MAXPORTS_2+MAXPORTS_3) 44d95e74eaSGerd Hoffmann #define MAXSLOTS 64 45d95e74eaSGerd Hoffmann #define MAXINTRS 16 46f1ae32a1SGerd Hoffmann 47f1ae32a1SGerd Hoffmann #define TD_QUEUE 24 48f1ae32a1SGerd Hoffmann 49f1ae32a1SGerd Hoffmann /* Very pessimistic, let's hope it's enough for all cases */ 50f1ae32a1SGerd Hoffmann #define EV_QUEUE (((3*TD_QUEUE)+16)*MAXSLOTS) 51f1ae32a1SGerd Hoffmann /* Do not deliver ER Full events. NEC's driver does some things not bound 52f1ae32a1SGerd Hoffmann * to the specs when it gets them */ 53f1ae32a1SGerd Hoffmann #define ER_FULL_HACK 54f1ae32a1SGerd Hoffmann 55f1ae32a1SGerd Hoffmann #define LEN_CAP 0x40 56f1ae32a1SGerd Hoffmann #define LEN_OPER (0x400 + 0x10 * MAXPORTS) 57106b214cSGerd Hoffmann #define LEN_RUNTIME ((MAXINTRS + 1) * 0x20) 58f1ae32a1SGerd Hoffmann #define LEN_DOORBELL ((MAXSLOTS + 1) * 0x20) 59f1ae32a1SGerd Hoffmann 60106b214cSGerd Hoffmann #define OFF_OPER LEN_CAP 61106b214cSGerd Hoffmann #define OFF_RUNTIME 0x1000 62106b214cSGerd Hoffmann #define OFF_DOORBELL 0x2000 634c47f800SGerd Hoffmann #define OFF_MSIX_TABLE 0x3000 644c47f800SGerd Hoffmann #define OFF_MSIX_PBA 0x3800 65f1ae32a1SGerd Hoffmann /* must be power of 2 */ 66106b214cSGerd Hoffmann #define LEN_REGS 0x4000 67f1ae32a1SGerd Hoffmann 68106b214cSGerd Hoffmann #if (OFF_OPER + LEN_OPER) > OFF_RUNTIME 69106b214cSGerd Hoffmann #error Increase OFF_RUNTIME 70106b214cSGerd Hoffmann #endif 71106b214cSGerd Hoffmann #if (OFF_RUNTIME + LEN_RUNTIME) > OFF_DOORBELL 72106b214cSGerd Hoffmann #error Increase OFF_DOORBELL 73106b214cSGerd Hoffmann #endif 74f1ae32a1SGerd Hoffmann #if (OFF_DOORBELL + LEN_DOORBELL) > LEN_REGS 75f1ae32a1SGerd Hoffmann # error Increase LEN_REGS 76f1ae32a1SGerd Hoffmann #endif 77f1ae32a1SGerd Hoffmann 78f1ae32a1SGerd Hoffmann /* bit definitions */ 79f1ae32a1SGerd Hoffmann #define USBCMD_RS (1<<0) 80f1ae32a1SGerd Hoffmann #define USBCMD_HCRST (1<<1) 81f1ae32a1SGerd Hoffmann #define USBCMD_INTE (1<<2) 82f1ae32a1SGerd Hoffmann #define USBCMD_HSEE (1<<3) 83f1ae32a1SGerd Hoffmann #define USBCMD_LHCRST (1<<7) 84f1ae32a1SGerd Hoffmann #define USBCMD_CSS (1<<8) 85f1ae32a1SGerd Hoffmann #define USBCMD_CRS (1<<9) 86f1ae32a1SGerd Hoffmann #define USBCMD_EWE (1<<10) 87f1ae32a1SGerd Hoffmann #define USBCMD_EU3S (1<<11) 88f1ae32a1SGerd Hoffmann 89f1ae32a1SGerd Hoffmann #define USBSTS_HCH (1<<0) 90f1ae32a1SGerd Hoffmann #define USBSTS_HSE (1<<2) 91f1ae32a1SGerd Hoffmann #define USBSTS_EINT (1<<3) 92f1ae32a1SGerd Hoffmann #define USBSTS_PCD (1<<4) 93f1ae32a1SGerd Hoffmann #define USBSTS_SSS (1<<8) 94f1ae32a1SGerd Hoffmann #define USBSTS_RSS (1<<9) 95f1ae32a1SGerd Hoffmann #define USBSTS_SRE (1<<10) 96f1ae32a1SGerd Hoffmann #define USBSTS_CNR (1<<11) 97f1ae32a1SGerd Hoffmann #define USBSTS_HCE (1<<12) 98f1ae32a1SGerd Hoffmann 99f1ae32a1SGerd Hoffmann 100f1ae32a1SGerd Hoffmann #define PORTSC_CCS (1<<0) 101f1ae32a1SGerd Hoffmann #define PORTSC_PED (1<<1) 102f1ae32a1SGerd Hoffmann #define PORTSC_OCA (1<<3) 103f1ae32a1SGerd Hoffmann #define PORTSC_PR (1<<4) 104f1ae32a1SGerd Hoffmann #define PORTSC_PLS_SHIFT 5 105f1ae32a1SGerd Hoffmann #define PORTSC_PLS_MASK 0xf 106f1ae32a1SGerd Hoffmann #define PORTSC_PP (1<<9) 107f1ae32a1SGerd Hoffmann #define PORTSC_SPEED_SHIFT 10 108f1ae32a1SGerd Hoffmann #define PORTSC_SPEED_MASK 0xf 109f1ae32a1SGerd Hoffmann #define PORTSC_SPEED_FULL (1<<10) 110f1ae32a1SGerd Hoffmann #define PORTSC_SPEED_LOW (2<<10) 111f1ae32a1SGerd Hoffmann #define PORTSC_SPEED_HIGH (3<<10) 112f1ae32a1SGerd Hoffmann #define PORTSC_SPEED_SUPER (4<<10) 113f1ae32a1SGerd Hoffmann #define PORTSC_PIC_SHIFT 14 114f1ae32a1SGerd Hoffmann #define PORTSC_PIC_MASK 0x3 115f1ae32a1SGerd Hoffmann #define PORTSC_LWS (1<<16) 116f1ae32a1SGerd Hoffmann #define PORTSC_CSC (1<<17) 117f1ae32a1SGerd Hoffmann #define PORTSC_PEC (1<<18) 118f1ae32a1SGerd Hoffmann #define PORTSC_WRC (1<<19) 119f1ae32a1SGerd Hoffmann #define PORTSC_OCC (1<<20) 120f1ae32a1SGerd Hoffmann #define PORTSC_PRC (1<<21) 121f1ae32a1SGerd Hoffmann #define PORTSC_PLC (1<<22) 122f1ae32a1SGerd Hoffmann #define PORTSC_CEC (1<<23) 123f1ae32a1SGerd Hoffmann #define PORTSC_CAS (1<<24) 124f1ae32a1SGerd Hoffmann #define PORTSC_WCE (1<<25) 125f1ae32a1SGerd Hoffmann #define PORTSC_WDE (1<<26) 126f1ae32a1SGerd Hoffmann #define PORTSC_WOE (1<<27) 127f1ae32a1SGerd Hoffmann #define PORTSC_DR (1<<30) 128f1ae32a1SGerd Hoffmann #define PORTSC_WPR (1<<31) 129f1ae32a1SGerd Hoffmann 130f1ae32a1SGerd Hoffmann #define CRCR_RCS (1<<0) 131f1ae32a1SGerd Hoffmann #define CRCR_CS (1<<1) 132f1ae32a1SGerd Hoffmann #define CRCR_CA (1<<2) 133f1ae32a1SGerd Hoffmann #define CRCR_CRR (1<<3) 134f1ae32a1SGerd Hoffmann 135f1ae32a1SGerd Hoffmann #define IMAN_IP (1<<0) 136f1ae32a1SGerd Hoffmann #define IMAN_IE (1<<1) 137f1ae32a1SGerd Hoffmann 138f1ae32a1SGerd Hoffmann #define ERDP_EHB (1<<3) 139f1ae32a1SGerd Hoffmann 140f1ae32a1SGerd Hoffmann #define TRB_SIZE 16 141f1ae32a1SGerd Hoffmann typedef struct XHCITRB { 142f1ae32a1SGerd Hoffmann uint64_t parameter; 143f1ae32a1SGerd Hoffmann uint32_t status; 144f1ae32a1SGerd Hoffmann uint32_t control; 14559a70ccdSDavid Gibson dma_addr_t addr; 146f1ae32a1SGerd Hoffmann bool ccs; 147f1ae32a1SGerd Hoffmann } XHCITRB; 148f1ae32a1SGerd Hoffmann 14985e05d82SGerd Hoffmann enum { 15085e05d82SGerd Hoffmann PLS_U0 = 0, 15185e05d82SGerd Hoffmann PLS_U1 = 1, 15285e05d82SGerd Hoffmann PLS_U2 = 2, 15385e05d82SGerd Hoffmann PLS_U3 = 3, 15485e05d82SGerd Hoffmann PLS_DISABLED = 4, 15585e05d82SGerd Hoffmann PLS_RX_DETECT = 5, 15685e05d82SGerd Hoffmann PLS_INACTIVE = 6, 15785e05d82SGerd Hoffmann PLS_POLLING = 7, 15885e05d82SGerd Hoffmann PLS_RECOVERY = 8, 15985e05d82SGerd Hoffmann PLS_HOT_RESET = 9, 16085e05d82SGerd Hoffmann PLS_COMPILANCE_MODE = 10, 16185e05d82SGerd Hoffmann PLS_TEST_MODE = 11, 16285e05d82SGerd Hoffmann PLS_RESUME = 15, 16385e05d82SGerd Hoffmann }; 164f1ae32a1SGerd Hoffmann 165f1ae32a1SGerd Hoffmann typedef enum TRBType { 166f1ae32a1SGerd Hoffmann TRB_RESERVED = 0, 167f1ae32a1SGerd Hoffmann TR_NORMAL, 168f1ae32a1SGerd Hoffmann TR_SETUP, 169f1ae32a1SGerd Hoffmann TR_DATA, 170f1ae32a1SGerd Hoffmann TR_STATUS, 171f1ae32a1SGerd Hoffmann TR_ISOCH, 172f1ae32a1SGerd Hoffmann TR_LINK, 173f1ae32a1SGerd Hoffmann TR_EVDATA, 174f1ae32a1SGerd Hoffmann TR_NOOP, 175f1ae32a1SGerd Hoffmann CR_ENABLE_SLOT, 176f1ae32a1SGerd Hoffmann CR_DISABLE_SLOT, 177f1ae32a1SGerd Hoffmann CR_ADDRESS_DEVICE, 178f1ae32a1SGerd Hoffmann CR_CONFIGURE_ENDPOINT, 179f1ae32a1SGerd Hoffmann CR_EVALUATE_CONTEXT, 180f1ae32a1SGerd Hoffmann CR_RESET_ENDPOINT, 181f1ae32a1SGerd Hoffmann CR_STOP_ENDPOINT, 182f1ae32a1SGerd Hoffmann CR_SET_TR_DEQUEUE, 183f1ae32a1SGerd Hoffmann CR_RESET_DEVICE, 184f1ae32a1SGerd Hoffmann CR_FORCE_EVENT, 185f1ae32a1SGerd Hoffmann CR_NEGOTIATE_BW, 186f1ae32a1SGerd Hoffmann CR_SET_LATENCY_TOLERANCE, 187f1ae32a1SGerd Hoffmann CR_GET_PORT_BANDWIDTH, 188f1ae32a1SGerd Hoffmann CR_FORCE_HEADER, 189f1ae32a1SGerd Hoffmann CR_NOOP, 190f1ae32a1SGerd Hoffmann ER_TRANSFER = 32, 191f1ae32a1SGerd Hoffmann ER_COMMAND_COMPLETE, 192f1ae32a1SGerd Hoffmann ER_PORT_STATUS_CHANGE, 193f1ae32a1SGerd Hoffmann ER_BANDWIDTH_REQUEST, 194f1ae32a1SGerd Hoffmann ER_DOORBELL, 195f1ae32a1SGerd Hoffmann ER_HOST_CONTROLLER, 196f1ae32a1SGerd Hoffmann ER_DEVICE_NOTIFICATION, 197f1ae32a1SGerd Hoffmann ER_MFINDEX_WRAP, 198f1ae32a1SGerd Hoffmann /* vendor specific bits */ 199f1ae32a1SGerd Hoffmann CR_VENDOR_VIA_CHALLENGE_RESPONSE = 48, 200f1ae32a1SGerd Hoffmann CR_VENDOR_NEC_FIRMWARE_REVISION = 49, 201f1ae32a1SGerd Hoffmann CR_VENDOR_NEC_CHALLENGE_RESPONSE = 50, 202f1ae32a1SGerd Hoffmann } TRBType; 203f1ae32a1SGerd Hoffmann 204f1ae32a1SGerd Hoffmann #define CR_LINK TR_LINK 205f1ae32a1SGerd Hoffmann 206f1ae32a1SGerd Hoffmann typedef enum TRBCCode { 207f1ae32a1SGerd Hoffmann CC_INVALID = 0, 208f1ae32a1SGerd Hoffmann CC_SUCCESS, 209f1ae32a1SGerd Hoffmann CC_DATA_BUFFER_ERROR, 210f1ae32a1SGerd Hoffmann CC_BABBLE_DETECTED, 211f1ae32a1SGerd Hoffmann CC_USB_TRANSACTION_ERROR, 212f1ae32a1SGerd Hoffmann CC_TRB_ERROR, 213f1ae32a1SGerd Hoffmann CC_STALL_ERROR, 214f1ae32a1SGerd Hoffmann CC_RESOURCE_ERROR, 215f1ae32a1SGerd Hoffmann CC_BANDWIDTH_ERROR, 216f1ae32a1SGerd Hoffmann CC_NO_SLOTS_ERROR, 217f1ae32a1SGerd Hoffmann CC_INVALID_STREAM_TYPE_ERROR, 218f1ae32a1SGerd Hoffmann CC_SLOT_NOT_ENABLED_ERROR, 219f1ae32a1SGerd Hoffmann CC_EP_NOT_ENABLED_ERROR, 220f1ae32a1SGerd Hoffmann CC_SHORT_PACKET, 221f1ae32a1SGerd Hoffmann CC_RING_UNDERRUN, 222f1ae32a1SGerd Hoffmann CC_RING_OVERRUN, 223f1ae32a1SGerd Hoffmann CC_VF_ER_FULL, 224f1ae32a1SGerd Hoffmann CC_PARAMETER_ERROR, 225f1ae32a1SGerd Hoffmann CC_BANDWIDTH_OVERRUN, 226f1ae32a1SGerd Hoffmann CC_CONTEXT_STATE_ERROR, 227f1ae32a1SGerd Hoffmann CC_NO_PING_RESPONSE_ERROR, 228f1ae32a1SGerd Hoffmann CC_EVENT_RING_FULL_ERROR, 229f1ae32a1SGerd Hoffmann CC_INCOMPATIBLE_DEVICE_ERROR, 230f1ae32a1SGerd Hoffmann CC_MISSED_SERVICE_ERROR, 231f1ae32a1SGerd Hoffmann CC_COMMAND_RING_STOPPED, 232f1ae32a1SGerd Hoffmann CC_COMMAND_ABORTED, 233f1ae32a1SGerd Hoffmann CC_STOPPED, 234f1ae32a1SGerd Hoffmann CC_STOPPED_LENGTH_INVALID, 235f1ae32a1SGerd Hoffmann CC_MAX_EXIT_LATENCY_TOO_LARGE_ERROR = 29, 236f1ae32a1SGerd Hoffmann CC_ISOCH_BUFFER_OVERRUN = 31, 237f1ae32a1SGerd Hoffmann CC_EVENT_LOST_ERROR, 238f1ae32a1SGerd Hoffmann CC_UNDEFINED_ERROR, 239f1ae32a1SGerd Hoffmann CC_INVALID_STREAM_ID_ERROR, 240f1ae32a1SGerd Hoffmann CC_SECONDARY_BANDWIDTH_ERROR, 241f1ae32a1SGerd Hoffmann CC_SPLIT_TRANSACTION_ERROR 242f1ae32a1SGerd Hoffmann } TRBCCode; 243f1ae32a1SGerd Hoffmann 244f1ae32a1SGerd Hoffmann #define TRB_C (1<<0) 245f1ae32a1SGerd Hoffmann #define TRB_TYPE_SHIFT 10 246f1ae32a1SGerd Hoffmann #define TRB_TYPE_MASK 0x3f 247f1ae32a1SGerd Hoffmann #define TRB_TYPE(t) (((t).control >> TRB_TYPE_SHIFT) & TRB_TYPE_MASK) 248f1ae32a1SGerd Hoffmann 249f1ae32a1SGerd Hoffmann #define TRB_EV_ED (1<<2) 250f1ae32a1SGerd Hoffmann 251f1ae32a1SGerd Hoffmann #define TRB_TR_ENT (1<<1) 252f1ae32a1SGerd Hoffmann #define TRB_TR_ISP (1<<2) 253f1ae32a1SGerd Hoffmann #define TRB_TR_NS (1<<3) 254f1ae32a1SGerd Hoffmann #define TRB_TR_CH (1<<4) 255f1ae32a1SGerd Hoffmann #define TRB_TR_IOC (1<<5) 256f1ae32a1SGerd Hoffmann #define TRB_TR_IDT (1<<6) 257f1ae32a1SGerd Hoffmann #define TRB_TR_TBC_SHIFT 7 258f1ae32a1SGerd Hoffmann #define TRB_TR_TBC_MASK 0x3 259f1ae32a1SGerd Hoffmann #define TRB_TR_BEI (1<<9) 260f1ae32a1SGerd Hoffmann #define TRB_TR_TLBPC_SHIFT 16 261f1ae32a1SGerd Hoffmann #define TRB_TR_TLBPC_MASK 0xf 262f1ae32a1SGerd Hoffmann #define TRB_TR_FRAMEID_SHIFT 20 263f1ae32a1SGerd Hoffmann #define TRB_TR_FRAMEID_MASK 0x7ff 264f1ae32a1SGerd Hoffmann #define TRB_TR_SIA (1<<31) 265f1ae32a1SGerd Hoffmann 266f1ae32a1SGerd Hoffmann #define TRB_TR_DIR (1<<16) 267f1ae32a1SGerd Hoffmann 268f1ae32a1SGerd Hoffmann #define TRB_CR_SLOTID_SHIFT 24 269f1ae32a1SGerd Hoffmann #define TRB_CR_SLOTID_MASK 0xff 270f1ae32a1SGerd Hoffmann #define TRB_CR_EPID_SHIFT 16 271f1ae32a1SGerd Hoffmann #define TRB_CR_EPID_MASK 0x1f 272f1ae32a1SGerd Hoffmann 273f1ae32a1SGerd Hoffmann #define TRB_CR_BSR (1<<9) 274f1ae32a1SGerd Hoffmann #define TRB_CR_DC (1<<9) 275f1ae32a1SGerd Hoffmann 276f1ae32a1SGerd Hoffmann #define TRB_LK_TC (1<<1) 277f1ae32a1SGerd Hoffmann 2782d1de850SGerd Hoffmann #define TRB_INTR_SHIFT 22 2792d1de850SGerd Hoffmann #define TRB_INTR_MASK 0x3ff 2802d1de850SGerd Hoffmann #define TRB_INTR(t) (((t).status >> TRB_INTR_SHIFT) & TRB_INTR_MASK) 2812d1de850SGerd Hoffmann 282f1ae32a1SGerd Hoffmann #define EP_TYPE_MASK 0x7 283f1ae32a1SGerd Hoffmann #define EP_TYPE_SHIFT 3 284f1ae32a1SGerd Hoffmann 285f1ae32a1SGerd Hoffmann #define EP_STATE_MASK 0x7 286f1ae32a1SGerd Hoffmann #define EP_DISABLED (0<<0) 287f1ae32a1SGerd Hoffmann #define EP_RUNNING (1<<0) 288f1ae32a1SGerd Hoffmann #define EP_HALTED (2<<0) 289f1ae32a1SGerd Hoffmann #define EP_STOPPED (3<<0) 290f1ae32a1SGerd Hoffmann #define EP_ERROR (4<<0) 291f1ae32a1SGerd Hoffmann 292f1ae32a1SGerd Hoffmann #define SLOT_STATE_MASK 0x1f 293f1ae32a1SGerd Hoffmann #define SLOT_STATE_SHIFT 27 294f1ae32a1SGerd Hoffmann #define SLOT_STATE(s) (((s)>>SLOT_STATE_SHIFT)&SLOT_STATE_MASK) 295f1ae32a1SGerd Hoffmann #define SLOT_ENABLED 0 296f1ae32a1SGerd Hoffmann #define SLOT_DEFAULT 1 297f1ae32a1SGerd Hoffmann #define SLOT_ADDRESSED 2 298f1ae32a1SGerd Hoffmann #define SLOT_CONFIGURED 3 299f1ae32a1SGerd Hoffmann 300f1ae32a1SGerd Hoffmann #define SLOT_CONTEXT_ENTRIES_MASK 0x1f 301f1ae32a1SGerd Hoffmann #define SLOT_CONTEXT_ENTRIES_SHIFT 27 302f1ae32a1SGerd Hoffmann 3031d8a4e69SGerd Hoffmann typedef struct XHCIState XHCIState; 304*024426acSGerd Hoffmann typedef struct XHCIStreamContext XHCIStreamContext; 305*024426acSGerd Hoffmann typedef struct XHCIEPContext XHCIEPContext; 3061d8a4e69SGerd Hoffmann 30785e05d82SGerd Hoffmann #define get_field(data, field) \ 30885e05d82SGerd Hoffmann (((data) >> field##_SHIFT) & field##_MASK) 30985e05d82SGerd Hoffmann 31085e05d82SGerd Hoffmann #define set_field(data, newval, field) do { \ 31185e05d82SGerd Hoffmann uint32_t val = *data; \ 31285e05d82SGerd Hoffmann val &= ~(field##_MASK << field##_SHIFT); \ 31385e05d82SGerd Hoffmann val |= ((newval) & field##_MASK) << field##_SHIFT; \ 31485e05d82SGerd Hoffmann *data = val; \ 31585e05d82SGerd Hoffmann } while (0) 31685e05d82SGerd Hoffmann 317f1ae32a1SGerd Hoffmann typedef enum EPType { 318f1ae32a1SGerd Hoffmann ET_INVALID = 0, 319f1ae32a1SGerd Hoffmann ET_ISO_OUT, 320f1ae32a1SGerd Hoffmann ET_BULK_OUT, 321f1ae32a1SGerd Hoffmann ET_INTR_OUT, 322f1ae32a1SGerd Hoffmann ET_CONTROL, 323f1ae32a1SGerd Hoffmann ET_ISO_IN, 324f1ae32a1SGerd Hoffmann ET_BULK_IN, 325f1ae32a1SGerd Hoffmann ET_INTR_IN, 326f1ae32a1SGerd Hoffmann } EPType; 327f1ae32a1SGerd Hoffmann 328f1ae32a1SGerd Hoffmann typedef struct XHCIRing { 32959a70ccdSDavid Gibson dma_addr_t base; 33059a70ccdSDavid Gibson dma_addr_t dequeue; 331f1ae32a1SGerd Hoffmann bool ccs; 332f1ae32a1SGerd Hoffmann } XHCIRing; 333f1ae32a1SGerd Hoffmann 334f1ae32a1SGerd Hoffmann typedef struct XHCIPort { 3351d8a4e69SGerd Hoffmann XHCIState *xhci; 336f1ae32a1SGerd Hoffmann uint32_t portsc; 3370846e635SGerd Hoffmann uint32_t portnr; 3380846e635SGerd Hoffmann USBPort *uport; 3390846e635SGerd Hoffmann uint32_t speedmask; 3401d8a4e69SGerd Hoffmann char name[16]; 3411d8a4e69SGerd Hoffmann MemoryRegion mem; 342f1ae32a1SGerd Hoffmann } XHCIPort; 343f1ae32a1SGerd Hoffmann 344f1ae32a1SGerd Hoffmann typedef struct XHCITransfer { 345f1ae32a1SGerd Hoffmann XHCIState *xhci; 346f1ae32a1SGerd Hoffmann USBPacket packet; 347d5a15814SGerd Hoffmann QEMUSGList sgl; 348f1ae32a1SGerd Hoffmann bool running_async; 349f1ae32a1SGerd Hoffmann bool running_retry; 350f1ae32a1SGerd Hoffmann bool cancelled; 351f1ae32a1SGerd Hoffmann bool complete; 352a6fb2ddbSHans de Goede bool int_req; 353f1ae32a1SGerd Hoffmann unsigned int iso_pkts; 354f1ae32a1SGerd Hoffmann unsigned int slotid; 355f1ae32a1SGerd Hoffmann unsigned int epid; 356*024426acSGerd Hoffmann unsigned int streamid; 357f1ae32a1SGerd Hoffmann bool in_xfer; 358f1ae32a1SGerd Hoffmann bool iso_xfer; 359f1ae32a1SGerd Hoffmann 360f1ae32a1SGerd Hoffmann unsigned int trb_count; 361f1ae32a1SGerd Hoffmann unsigned int trb_alloced; 362f1ae32a1SGerd Hoffmann XHCITRB *trbs; 363f1ae32a1SGerd Hoffmann 364f1ae32a1SGerd Hoffmann TRBCCode status; 365f1ae32a1SGerd Hoffmann 366f1ae32a1SGerd Hoffmann unsigned int pkts; 367f1ae32a1SGerd Hoffmann unsigned int pktsize; 368f1ae32a1SGerd Hoffmann unsigned int cur_pkt; 3693d139684SGerd Hoffmann 3703d139684SGerd Hoffmann uint64_t mfindex_kick; 371f1ae32a1SGerd Hoffmann } XHCITransfer; 372f1ae32a1SGerd Hoffmann 373*024426acSGerd Hoffmann struct XHCIStreamContext { 374*024426acSGerd Hoffmann dma_addr_t pctx; 375*024426acSGerd Hoffmann unsigned int sct; 376*024426acSGerd Hoffmann XHCIRing ring; 377*024426acSGerd Hoffmann XHCIStreamContext *sstreams; 378*024426acSGerd Hoffmann }; 379*024426acSGerd Hoffmann 380*024426acSGerd Hoffmann struct XHCIEPContext { 3813d139684SGerd Hoffmann XHCIState *xhci; 3823d139684SGerd Hoffmann unsigned int slotid; 3833d139684SGerd Hoffmann unsigned int epid; 3843d139684SGerd Hoffmann 385f1ae32a1SGerd Hoffmann XHCIRing ring; 386f1ae32a1SGerd Hoffmann unsigned int next_xfer; 387f1ae32a1SGerd Hoffmann unsigned int comp_xfer; 388f1ae32a1SGerd Hoffmann XHCITransfer transfers[TD_QUEUE]; 389f1ae32a1SGerd Hoffmann XHCITransfer *retry; 390f1ae32a1SGerd Hoffmann EPType type; 39159a70ccdSDavid Gibson dma_addr_t pctx; 392f1ae32a1SGerd Hoffmann unsigned int max_psize; 393f1ae32a1SGerd Hoffmann uint32_t state; 3943d139684SGerd Hoffmann 395*024426acSGerd Hoffmann /* streams */ 396*024426acSGerd Hoffmann unsigned int max_pstreams; 397*024426acSGerd Hoffmann bool lsa; 398*024426acSGerd Hoffmann unsigned int nr_pstreams; 399*024426acSGerd Hoffmann XHCIStreamContext *pstreams; 400*024426acSGerd Hoffmann 4013d139684SGerd Hoffmann /* iso xfer scheduling */ 4023d139684SGerd Hoffmann unsigned int interval; 4033d139684SGerd Hoffmann int64_t mfindex_last; 4043d139684SGerd Hoffmann QEMUTimer *kick_timer; 405*024426acSGerd Hoffmann }; 406f1ae32a1SGerd Hoffmann 407f1ae32a1SGerd Hoffmann typedef struct XHCISlot { 408f1ae32a1SGerd Hoffmann bool enabled; 40959a70ccdSDavid Gibson dma_addr_t ctx; 410ccaf87a0SGerd Hoffmann USBPort *uport; 411f1ae32a1SGerd Hoffmann unsigned int devaddr; 412f1ae32a1SGerd Hoffmann XHCIEPContext * eps[31]; 413f1ae32a1SGerd Hoffmann } XHCISlot; 414f1ae32a1SGerd Hoffmann 415f1ae32a1SGerd Hoffmann typedef struct XHCIEvent { 416f1ae32a1SGerd Hoffmann TRBType type; 417f1ae32a1SGerd Hoffmann TRBCCode ccode; 418f1ae32a1SGerd Hoffmann uint64_t ptr; 419f1ae32a1SGerd Hoffmann uint32_t length; 420f1ae32a1SGerd Hoffmann uint32_t flags; 421f1ae32a1SGerd Hoffmann uint8_t slotid; 422f1ae32a1SGerd Hoffmann uint8_t epid; 423f1ae32a1SGerd Hoffmann } XHCIEvent; 424f1ae32a1SGerd Hoffmann 425962d11e1SGerd Hoffmann typedef struct XHCIInterrupter { 426962d11e1SGerd Hoffmann uint32_t iman; 427962d11e1SGerd Hoffmann uint32_t imod; 428962d11e1SGerd Hoffmann uint32_t erstsz; 429962d11e1SGerd Hoffmann uint32_t erstba_low; 430962d11e1SGerd Hoffmann uint32_t erstba_high; 431962d11e1SGerd Hoffmann uint32_t erdp_low; 432962d11e1SGerd Hoffmann uint32_t erdp_high; 433962d11e1SGerd Hoffmann 434962d11e1SGerd Hoffmann bool msix_used, er_pcs, er_full; 435962d11e1SGerd Hoffmann 436962d11e1SGerd Hoffmann dma_addr_t er_start; 437962d11e1SGerd Hoffmann uint32_t er_size; 438962d11e1SGerd Hoffmann unsigned int er_ep_idx; 439962d11e1SGerd Hoffmann 440962d11e1SGerd Hoffmann XHCIEvent ev_buffer[EV_QUEUE]; 441962d11e1SGerd Hoffmann unsigned int ev_buffer_put; 442962d11e1SGerd Hoffmann unsigned int ev_buffer_get; 443962d11e1SGerd Hoffmann 444962d11e1SGerd Hoffmann } XHCIInterrupter; 445962d11e1SGerd Hoffmann 446f1ae32a1SGerd Hoffmann struct XHCIState { 447f1ae32a1SGerd Hoffmann PCIDevice pci_dev; 448f1ae32a1SGerd Hoffmann USBBus bus; 449f1ae32a1SGerd Hoffmann qemu_irq irq; 450f1ae32a1SGerd Hoffmann MemoryRegion mem; 4511b067564SGerd Hoffmann MemoryRegion mem_cap; 4521b067564SGerd Hoffmann MemoryRegion mem_oper; 4531b067564SGerd Hoffmann MemoryRegion mem_runtime; 4541b067564SGerd Hoffmann MemoryRegion mem_doorbell; 455f1ae32a1SGerd Hoffmann const char *name; 456f1ae32a1SGerd Hoffmann unsigned int devaddr; 457f1ae32a1SGerd Hoffmann 4580846e635SGerd Hoffmann /* properties */ 4590846e635SGerd Hoffmann uint32_t numports_2; 4600846e635SGerd Hoffmann uint32_t numports_3; 46191062ae0SGerd Hoffmann uint32_t numintrs; 46291062ae0SGerd Hoffmann uint32_t numslots; 463c5e9b02dSGerd Hoffmann uint32_t flags; 4640846e635SGerd Hoffmann 465f1ae32a1SGerd Hoffmann /* Operational Registers */ 466f1ae32a1SGerd Hoffmann uint32_t usbcmd; 467f1ae32a1SGerd Hoffmann uint32_t usbsts; 468f1ae32a1SGerd Hoffmann uint32_t dnctrl; 469f1ae32a1SGerd Hoffmann uint32_t crcr_low; 470f1ae32a1SGerd Hoffmann uint32_t crcr_high; 471f1ae32a1SGerd Hoffmann uint32_t dcbaap_low; 472f1ae32a1SGerd Hoffmann uint32_t dcbaap_high; 473f1ae32a1SGerd Hoffmann uint32_t config; 474f1ae32a1SGerd Hoffmann 4750846e635SGerd Hoffmann USBPort uports[MAX(MAXPORTS_2, MAXPORTS_3)]; 476f1ae32a1SGerd Hoffmann XHCIPort ports[MAXPORTS]; 477f1ae32a1SGerd Hoffmann XHCISlot slots[MAXSLOTS]; 4780846e635SGerd Hoffmann uint32_t numports; 479f1ae32a1SGerd Hoffmann 480f1ae32a1SGerd Hoffmann /* Runtime Registers */ 48101546fa6SGerd Hoffmann int64_t mfindex_start; 48201546fa6SGerd Hoffmann QEMUTimer *mfwrap_timer; 483962d11e1SGerd Hoffmann XHCIInterrupter intr[MAXINTRS]; 484f1ae32a1SGerd Hoffmann 485f1ae32a1SGerd Hoffmann XHCIRing cmd_ring; 486f1ae32a1SGerd Hoffmann }; 487f1ae32a1SGerd Hoffmann 488f1ae32a1SGerd Hoffmann typedef struct XHCIEvRingSeg { 489f1ae32a1SGerd Hoffmann uint32_t addr_low; 490f1ae32a1SGerd Hoffmann uint32_t addr_high; 491f1ae32a1SGerd Hoffmann uint32_t size; 492f1ae32a1SGerd Hoffmann uint32_t rsvd; 493f1ae32a1SGerd Hoffmann } XHCIEvRingSeg; 494f1ae32a1SGerd Hoffmann 495c5e9b02dSGerd Hoffmann enum xhci_flags { 496c5e9b02dSGerd Hoffmann XHCI_FLAG_USE_MSI = 1, 4974c47f800SGerd Hoffmann XHCI_FLAG_USE_MSI_X, 498c5e9b02dSGerd Hoffmann }; 499c5e9b02dSGerd Hoffmann 50001546fa6SGerd Hoffmann static void xhci_kick_ep(XHCIState *xhci, unsigned int slotid, 501*024426acSGerd Hoffmann unsigned int epid, unsigned int streamid); 5020bc85da6SGerd Hoffmann static TRBCCode xhci_disable_ep(XHCIState *xhci, unsigned int slotid, 5030bc85da6SGerd Hoffmann unsigned int epid); 504962d11e1SGerd Hoffmann static void xhci_event(XHCIState *xhci, XHCIEvent *event, int v); 505962d11e1SGerd Hoffmann static void xhci_write_event(XHCIState *xhci, XHCIEvent *event, int v); 50601546fa6SGerd Hoffmann 507f1ae32a1SGerd Hoffmann static const char *TRBType_names[] = { 508f1ae32a1SGerd Hoffmann [TRB_RESERVED] = "TRB_RESERVED", 509f1ae32a1SGerd Hoffmann [TR_NORMAL] = "TR_NORMAL", 510f1ae32a1SGerd Hoffmann [TR_SETUP] = "TR_SETUP", 511f1ae32a1SGerd Hoffmann [TR_DATA] = "TR_DATA", 512f1ae32a1SGerd Hoffmann [TR_STATUS] = "TR_STATUS", 513f1ae32a1SGerd Hoffmann [TR_ISOCH] = "TR_ISOCH", 514f1ae32a1SGerd Hoffmann [TR_LINK] = "TR_LINK", 515f1ae32a1SGerd Hoffmann [TR_EVDATA] = "TR_EVDATA", 516f1ae32a1SGerd Hoffmann [TR_NOOP] = "TR_NOOP", 517f1ae32a1SGerd Hoffmann [CR_ENABLE_SLOT] = "CR_ENABLE_SLOT", 518f1ae32a1SGerd Hoffmann [CR_DISABLE_SLOT] = "CR_DISABLE_SLOT", 519f1ae32a1SGerd Hoffmann [CR_ADDRESS_DEVICE] = "CR_ADDRESS_DEVICE", 520f1ae32a1SGerd Hoffmann [CR_CONFIGURE_ENDPOINT] = "CR_CONFIGURE_ENDPOINT", 521f1ae32a1SGerd Hoffmann [CR_EVALUATE_CONTEXT] = "CR_EVALUATE_CONTEXT", 522f1ae32a1SGerd Hoffmann [CR_RESET_ENDPOINT] = "CR_RESET_ENDPOINT", 523f1ae32a1SGerd Hoffmann [CR_STOP_ENDPOINT] = "CR_STOP_ENDPOINT", 524f1ae32a1SGerd Hoffmann [CR_SET_TR_DEQUEUE] = "CR_SET_TR_DEQUEUE", 525f1ae32a1SGerd Hoffmann [CR_RESET_DEVICE] = "CR_RESET_DEVICE", 526f1ae32a1SGerd Hoffmann [CR_FORCE_EVENT] = "CR_FORCE_EVENT", 527f1ae32a1SGerd Hoffmann [CR_NEGOTIATE_BW] = "CR_NEGOTIATE_BW", 528f1ae32a1SGerd Hoffmann [CR_SET_LATENCY_TOLERANCE] = "CR_SET_LATENCY_TOLERANCE", 529f1ae32a1SGerd Hoffmann [CR_GET_PORT_BANDWIDTH] = "CR_GET_PORT_BANDWIDTH", 530f1ae32a1SGerd Hoffmann [CR_FORCE_HEADER] = "CR_FORCE_HEADER", 531f1ae32a1SGerd Hoffmann [CR_NOOP] = "CR_NOOP", 532f1ae32a1SGerd Hoffmann [ER_TRANSFER] = "ER_TRANSFER", 533f1ae32a1SGerd Hoffmann [ER_COMMAND_COMPLETE] = "ER_COMMAND_COMPLETE", 534f1ae32a1SGerd Hoffmann [ER_PORT_STATUS_CHANGE] = "ER_PORT_STATUS_CHANGE", 535f1ae32a1SGerd Hoffmann [ER_BANDWIDTH_REQUEST] = "ER_BANDWIDTH_REQUEST", 536f1ae32a1SGerd Hoffmann [ER_DOORBELL] = "ER_DOORBELL", 537f1ae32a1SGerd Hoffmann [ER_HOST_CONTROLLER] = "ER_HOST_CONTROLLER", 538f1ae32a1SGerd Hoffmann [ER_DEVICE_NOTIFICATION] = "ER_DEVICE_NOTIFICATION", 539f1ae32a1SGerd Hoffmann [ER_MFINDEX_WRAP] = "ER_MFINDEX_WRAP", 540f1ae32a1SGerd Hoffmann [CR_VENDOR_VIA_CHALLENGE_RESPONSE] = "CR_VENDOR_VIA_CHALLENGE_RESPONSE", 541f1ae32a1SGerd Hoffmann [CR_VENDOR_NEC_FIRMWARE_REVISION] = "CR_VENDOR_NEC_FIRMWARE_REVISION", 542f1ae32a1SGerd Hoffmann [CR_VENDOR_NEC_CHALLENGE_RESPONSE] = "CR_VENDOR_NEC_CHALLENGE_RESPONSE", 543f1ae32a1SGerd Hoffmann }; 544f1ae32a1SGerd Hoffmann 545873123feSGerd Hoffmann static const char *TRBCCode_names[] = { 546873123feSGerd Hoffmann [CC_INVALID] = "CC_INVALID", 547873123feSGerd Hoffmann [CC_SUCCESS] = "CC_SUCCESS", 548873123feSGerd Hoffmann [CC_DATA_BUFFER_ERROR] = "CC_DATA_BUFFER_ERROR", 549873123feSGerd Hoffmann [CC_BABBLE_DETECTED] = "CC_BABBLE_DETECTED", 550873123feSGerd Hoffmann [CC_USB_TRANSACTION_ERROR] = "CC_USB_TRANSACTION_ERROR", 551873123feSGerd Hoffmann [CC_TRB_ERROR] = "CC_TRB_ERROR", 552873123feSGerd Hoffmann [CC_STALL_ERROR] = "CC_STALL_ERROR", 553873123feSGerd Hoffmann [CC_RESOURCE_ERROR] = "CC_RESOURCE_ERROR", 554873123feSGerd Hoffmann [CC_BANDWIDTH_ERROR] = "CC_BANDWIDTH_ERROR", 555873123feSGerd Hoffmann [CC_NO_SLOTS_ERROR] = "CC_NO_SLOTS_ERROR", 556873123feSGerd Hoffmann [CC_INVALID_STREAM_TYPE_ERROR] = "CC_INVALID_STREAM_TYPE_ERROR", 557873123feSGerd Hoffmann [CC_SLOT_NOT_ENABLED_ERROR] = "CC_SLOT_NOT_ENABLED_ERROR", 558873123feSGerd Hoffmann [CC_EP_NOT_ENABLED_ERROR] = "CC_EP_NOT_ENABLED_ERROR", 559873123feSGerd Hoffmann [CC_SHORT_PACKET] = "CC_SHORT_PACKET", 560873123feSGerd Hoffmann [CC_RING_UNDERRUN] = "CC_RING_UNDERRUN", 561873123feSGerd Hoffmann [CC_RING_OVERRUN] = "CC_RING_OVERRUN", 562873123feSGerd Hoffmann [CC_VF_ER_FULL] = "CC_VF_ER_FULL", 563873123feSGerd Hoffmann [CC_PARAMETER_ERROR] = "CC_PARAMETER_ERROR", 564873123feSGerd Hoffmann [CC_BANDWIDTH_OVERRUN] = "CC_BANDWIDTH_OVERRUN", 565873123feSGerd Hoffmann [CC_CONTEXT_STATE_ERROR] = "CC_CONTEXT_STATE_ERROR", 566873123feSGerd Hoffmann [CC_NO_PING_RESPONSE_ERROR] = "CC_NO_PING_RESPONSE_ERROR", 567873123feSGerd Hoffmann [CC_EVENT_RING_FULL_ERROR] = "CC_EVENT_RING_FULL_ERROR", 568873123feSGerd Hoffmann [CC_INCOMPATIBLE_DEVICE_ERROR] = "CC_INCOMPATIBLE_DEVICE_ERROR", 569873123feSGerd Hoffmann [CC_MISSED_SERVICE_ERROR] = "CC_MISSED_SERVICE_ERROR", 570873123feSGerd Hoffmann [CC_COMMAND_RING_STOPPED] = "CC_COMMAND_RING_STOPPED", 571873123feSGerd Hoffmann [CC_COMMAND_ABORTED] = "CC_COMMAND_ABORTED", 572873123feSGerd Hoffmann [CC_STOPPED] = "CC_STOPPED", 573873123feSGerd Hoffmann [CC_STOPPED_LENGTH_INVALID] = "CC_STOPPED_LENGTH_INVALID", 574873123feSGerd Hoffmann [CC_MAX_EXIT_LATENCY_TOO_LARGE_ERROR] 575873123feSGerd Hoffmann = "CC_MAX_EXIT_LATENCY_TOO_LARGE_ERROR", 576873123feSGerd Hoffmann [CC_ISOCH_BUFFER_OVERRUN] = "CC_ISOCH_BUFFER_OVERRUN", 577873123feSGerd Hoffmann [CC_EVENT_LOST_ERROR] = "CC_EVENT_LOST_ERROR", 578873123feSGerd Hoffmann [CC_UNDEFINED_ERROR] = "CC_UNDEFINED_ERROR", 579873123feSGerd Hoffmann [CC_INVALID_STREAM_ID_ERROR] = "CC_INVALID_STREAM_ID_ERROR", 580873123feSGerd Hoffmann [CC_SECONDARY_BANDWIDTH_ERROR] = "CC_SECONDARY_BANDWIDTH_ERROR", 581873123feSGerd Hoffmann [CC_SPLIT_TRANSACTION_ERROR] = "CC_SPLIT_TRANSACTION_ERROR", 582873123feSGerd Hoffmann }; 583873123feSGerd Hoffmann 584f1ae32a1SGerd Hoffmann static const char *lookup_name(uint32_t index, const char **list, uint32_t llen) 585f1ae32a1SGerd Hoffmann { 586f1ae32a1SGerd Hoffmann if (index >= llen || list[index] == NULL) { 587f1ae32a1SGerd Hoffmann return "???"; 588f1ae32a1SGerd Hoffmann } 589f1ae32a1SGerd Hoffmann return list[index]; 590f1ae32a1SGerd Hoffmann } 591f1ae32a1SGerd Hoffmann 592f1ae32a1SGerd Hoffmann static const char *trb_name(XHCITRB *trb) 593f1ae32a1SGerd Hoffmann { 594f1ae32a1SGerd Hoffmann return lookup_name(TRB_TYPE(*trb), TRBType_names, 595f1ae32a1SGerd Hoffmann ARRAY_SIZE(TRBType_names)); 596f1ae32a1SGerd Hoffmann } 597f1ae32a1SGerd Hoffmann 598873123feSGerd Hoffmann static const char *event_name(XHCIEvent *event) 599873123feSGerd Hoffmann { 600873123feSGerd Hoffmann return lookup_name(event->ccode, TRBCCode_names, 601873123feSGerd Hoffmann ARRAY_SIZE(TRBCCode_names)); 602873123feSGerd Hoffmann } 603873123feSGerd Hoffmann 60401546fa6SGerd Hoffmann static uint64_t xhci_mfindex_get(XHCIState *xhci) 60501546fa6SGerd Hoffmann { 60601546fa6SGerd Hoffmann int64_t now = qemu_get_clock_ns(vm_clock); 60701546fa6SGerd Hoffmann return (now - xhci->mfindex_start) / 125000; 60801546fa6SGerd Hoffmann } 60901546fa6SGerd Hoffmann 61001546fa6SGerd Hoffmann static void xhci_mfwrap_update(XHCIState *xhci) 61101546fa6SGerd Hoffmann { 61201546fa6SGerd Hoffmann const uint32_t bits = USBCMD_RS | USBCMD_EWE; 61301546fa6SGerd Hoffmann uint32_t mfindex, left; 61401546fa6SGerd Hoffmann int64_t now; 61501546fa6SGerd Hoffmann 61601546fa6SGerd Hoffmann if ((xhci->usbcmd & bits) == bits) { 61701546fa6SGerd Hoffmann now = qemu_get_clock_ns(vm_clock); 61801546fa6SGerd Hoffmann mfindex = ((now - xhci->mfindex_start) / 125000) & 0x3fff; 61901546fa6SGerd Hoffmann left = 0x4000 - mfindex; 62001546fa6SGerd Hoffmann qemu_mod_timer(xhci->mfwrap_timer, now + left * 125000); 62101546fa6SGerd Hoffmann } else { 62201546fa6SGerd Hoffmann qemu_del_timer(xhci->mfwrap_timer); 62301546fa6SGerd Hoffmann } 62401546fa6SGerd Hoffmann } 62501546fa6SGerd Hoffmann 62601546fa6SGerd Hoffmann static void xhci_mfwrap_timer(void *opaque) 62701546fa6SGerd Hoffmann { 62801546fa6SGerd Hoffmann XHCIState *xhci = opaque; 62901546fa6SGerd Hoffmann XHCIEvent wrap = { ER_MFINDEX_WRAP, CC_SUCCESS }; 63001546fa6SGerd Hoffmann 631962d11e1SGerd Hoffmann xhci_event(xhci, &wrap, 0); 63201546fa6SGerd Hoffmann xhci_mfwrap_update(xhci); 63301546fa6SGerd Hoffmann } 634f1ae32a1SGerd Hoffmann 63559a70ccdSDavid Gibson static inline dma_addr_t xhci_addr64(uint32_t low, uint32_t high) 636f1ae32a1SGerd Hoffmann { 63759a70ccdSDavid Gibson if (sizeof(dma_addr_t) == 4) { 638f1ae32a1SGerd Hoffmann return low; 63959a70ccdSDavid Gibson } else { 64059a70ccdSDavid Gibson return low | (((dma_addr_t)high << 16) << 16); 64159a70ccdSDavid Gibson } 642f1ae32a1SGerd Hoffmann } 643f1ae32a1SGerd Hoffmann 64459a70ccdSDavid Gibson static inline dma_addr_t xhci_mask64(uint64_t addr) 645f1ae32a1SGerd Hoffmann { 64659a70ccdSDavid Gibson if (sizeof(dma_addr_t) == 4) { 647f1ae32a1SGerd Hoffmann return addr & 0xffffffff; 64859a70ccdSDavid Gibson } else { 64959a70ccdSDavid Gibson return addr; 65059a70ccdSDavid Gibson } 651f1ae32a1SGerd Hoffmann } 652f1ae32a1SGerd Hoffmann 653616b5d53SDavid Gibson static inline void xhci_dma_read_u32s(XHCIState *xhci, dma_addr_t addr, 654616b5d53SDavid Gibson uint32_t *buf, size_t len) 655616b5d53SDavid Gibson { 656616b5d53SDavid Gibson int i; 657616b5d53SDavid Gibson 658616b5d53SDavid Gibson assert((len % sizeof(uint32_t)) == 0); 659616b5d53SDavid Gibson 660616b5d53SDavid Gibson pci_dma_read(&xhci->pci_dev, addr, buf, len); 661616b5d53SDavid Gibson 662616b5d53SDavid Gibson for (i = 0; i < (len / sizeof(uint32_t)); i++) { 663616b5d53SDavid Gibson buf[i] = le32_to_cpu(buf[i]); 664616b5d53SDavid Gibson } 665616b5d53SDavid Gibson } 666616b5d53SDavid Gibson 667616b5d53SDavid Gibson static inline void xhci_dma_write_u32s(XHCIState *xhci, dma_addr_t addr, 668616b5d53SDavid Gibson uint32_t *buf, size_t len) 669616b5d53SDavid Gibson { 670616b5d53SDavid Gibson int i; 671616b5d53SDavid Gibson uint32_t tmp[len / sizeof(uint32_t)]; 672616b5d53SDavid Gibson 673616b5d53SDavid Gibson assert((len % sizeof(uint32_t)) == 0); 674616b5d53SDavid Gibson 675616b5d53SDavid Gibson for (i = 0; i < (len / sizeof(uint32_t)); i++) { 676616b5d53SDavid Gibson tmp[i] = cpu_to_le32(buf[i]); 677616b5d53SDavid Gibson } 678616b5d53SDavid Gibson pci_dma_write(&xhci->pci_dev, addr, tmp, len); 679616b5d53SDavid Gibson } 680616b5d53SDavid Gibson 6810846e635SGerd Hoffmann static XHCIPort *xhci_lookup_port(XHCIState *xhci, struct USBPort *uport) 6820846e635SGerd Hoffmann { 6830846e635SGerd Hoffmann int index; 6840846e635SGerd Hoffmann 6850846e635SGerd Hoffmann if (!uport->dev) { 6860846e635SGerd Hoffmann return NULL; 6870846e635SGerd Hoffmann } 6880846e635SGerd Hoffmann switch (uport->dev->speed) { 6890846e635SGerd Hoffmann case USB_SPEED_LOW: 6900846e635SGerd Hoffmann case USB_SPEED_FULL: 6910846e635SGerd Hoffmann case USB_SPEED_HIGH: 6920846e635SGerd Hoffmann index = uport->index; 6930846e635SGerd Hoffmann break; 6940846e635SGerd Hoffmann case USB_SPEED_SUPER: 6950846e635SGerd Hoffmann index = uport->index + xhci->numports_2; 6960846e635SGerd Hoffmann break; 6970846e635SGerd Hoffmann default: 6980846e635SGerd Hoffmann return NULL; 6990846e635SGerd Hoffmann } 7000846e635SGerd Hoffmann return &xhci->ports[index]; 7010846e635SGerd Hoffmann } 7020846e635SGerd Hoffmann 7034c4abe7cSGerd Hoffmann static void xhci_intx_update(XHCIState *xhci) 704f1ae32a1SGerd Hoffmann { 705f1ae32a1SGerd Hoffmann int level = 0; 706f1ae32a1SGerd Hoffmann 7074c47f800SGerd Hoffmann if (msix_enabled(&xhci->pci_dev) || 7084c47f800SGerd Hoffmann msi_enabled(&xhci->pci_dev)) { 7094c4abe7cSGerd Hoffmann return; 7104c4abe7cSGerd Hoffmann } 7114c4abe7cSGerd Hoffmann 712962d11e1SGerd Hoffmann if (xhci->intr[0].iman & IMAN_IP && 713962d11e1SGerd Hoffmann xhci->intr[0].iman & IMAN_IE && 714215bff17SLai Jiangshan xhci->usbcmd & USBCMD_INTE) { 715f1ae32a1SGerd Hoffmann level = 1; 716f1ae32a1SGerd Hoffmann } 717f1ae32a1SGerd Hoffmann 7187acd279fSGerd Hoffmann trace_usb_xhci_irq_intx(level); 719f1ae32a1SGerd Hoffmann qemu_set_irq(xhci->irq, level); 720f1ae32a1SGerd Hoffmann } 7214c4abe7cSGerd Hoffmann 722962d11e1SGerd Hoffmann static void xhci_msix_update(XHCIState *xhci, int v) 7234c47f800SGerd Hoffmann { 7244c47f800SGerd Hoffmann bool enabled; 7254c47f800SGerd Hoffmann 7264c47f800SGerd Hoffmann if (!msix_enabled(&xhci->pci_dev)) { 7274c47f800SGerd Hoffmann return; 7284c47f800SGerd Hoffmann } 7294c47f800SGerd Hoffmann 730962d11e1SGerd Hoffmann enabled = xhci->intr[v].iman & IMAN_IE; 731962d11e1SGerd Hoffmann if (enabled == xhci->intr[v].msix_used) { 7324c47f800SGerd Hoffmann return; 7334c47f800SGerd Hoffmann } 7344c47f800SGerd Hoffmann 7354c47f800SGerd Hoffmann if (enabled) { 736962d11e1SGerd Hoffmann trace_usb_xhci_irq_msix_use(v); 737962d11e1SGerd Hoffmann msix_vector_use(&xhci->pci_dev, v); 738962d11e1SGerd Hoffmann xhci->intr[v].msix_used = true; 7394c47f800SGerd Hoffmann } else { 740962d11e1SGerd Hoffmann trace_usb_xhci_irq_msix_unuse(v); 741962d11e1SGerd Hoffmann msix_vector_unuse(&xhci->pci_dev, v); 742962d11e1SGerd Hoffmann xhci->intr[v].msix_used = false; 7434c47f800SGerd Hoffmann } 7444c47f800SGerd Hoffmann } 7454c47f800SGerd Hoffmann 746962d11e1SGerd Hoffmann static void xhci_intr_raise(XHCIState *xhci, int v) 7474c4abe7cSGerd Hoffmann { 748962d11e1SGerd Hoffmann xhci->intr[v].erdp_low |= ERDP_EHB; 749962d11e1SGerd Hoffmann xhci->intr[v].iman |= IMAN_IP; 7502cae4119SGerd Hoffmann xhci->usbsts |= USBSTS_EINT; 7512cae4119SGerd Hoffmann 752962d11e1SGerd Hoffmann if (!(xhci->intr[v].iman & IMAN_IE)) { 7534c4abe7cSGerd Hoffmann return; 7544c4abe7cSGerd Hoffmann } 7554c4abe7cSGerd Hoffmann 7564c4abe7cSGerd Hoffmann if (!(xhci->usbcmd & USBCMD_INTE)) { 7574c4abe7cSGerd Hoffmann return; 7584c4abe7cSGerd Hoffmann } 7594c4abe7cSGerd Hoffmann 7604c47f800SGerd Hoffmann if (msix_enabled(&xhci->pci_dev)) { 761962d11e1SGerd Hoffmann trace_usb_xhci_irq_msix(v); 762962d11e1SGerd Hoffmann msix_notify(&xhci->pci_dev, v); 7634c47f800SGerd Hoffmann return; 7644c47f800SGerd Hoffmann } 7654c47f800SGerd Hoffmann 7664c4abe7cSGerd Hoffmann if (msi_enabled(&xhci->pci_dev)) { 767962d11e1SGerd Hoffmann trace_usb_xhci_irq_msi(v); 768962d11e1SGerd Hoffmann msi_notify(&xhci->pci_dev, v); 7694c4abe7cSGerd Hoffmann return; 7704c4abe7cSGerd Hoffmann } 7714c4abe7cSGerd Hoffmann 772962d11e1SGerd Hoffmann if (v == 0) { 7734c4abe7cSGerd Hoffmann trace_usb_xhci_irq_intx(1); 7744c4abe7cSGerd Hoffmann qemu_set_irq(xhci->irq, 1); 775f1ae32a1SGerd Hoffmann } 776962d11e1SGerd Hoffmann } 777f1ae32a1SGerd Hoffmann 778f1ae32a1SGerd Hoffmann static inline int xhci_running(XHCIState *xhci) 779f1ae32a1SGerd Hoffmann { 780962d11e1SGerd Hoffmann return !(xhci->usbsts & USBSTS_HCH) && !xhci->intr[0].er_full; 781f1ae32a1SGerd Hoffmann } 782f1ae32a1SGerd Hoffmann 783f1ae32a1SGerd Hoffmann static void xhci_die(XHCIState *xhci) 784f1ae32a1SGerd Hoffmann { 785f1ae32a1SGerd Hoffmann xhci->usbsts |= USBSTS_HCE; 786f1ae32a1SGerd Hoffmann fprintf(stderr, "xhci: asserted controller error\n"); 787f1ae32a1SGerd Hoffmann } 788f1ae32a1SGerd Hoffmann 789962d11e1SGerd Hoffmann static void xhci_write_event(XHCIState *xhci, XHCIEvent *event, int v) 790f1ae32a1SGerd Hoffmann { 791962d11e1SGerd Hoffmann XHCIInterrupter *intr = &xhci->intr[v]; 792f1ae32a1SGerd Hoffmann XHCITRB ev_trb; 79359a70ccdSDavid Gibson dma_addr_t addr; 794f1ae32a1SGerd Hoffmann 795f1ae32a1SGerd Hoffmann ev_trb.parameter = cpu_to_le64(event->ptr); 796f1ae32a1SGerd Hoffmann ev_trb.status = cpu_to_le32(event->length | (event->ccode << 24)); 797f1ae32a1SGerd Hoffmann ev_trb.control = (event->slotid << 24) | (event->epid << 16) | 798f1ae32a1SGerd Hoffmann event->flags | (event->type << TRB_TYPE_SHIFT); 799962d11e1SGerd Hoffmann if (intr->er_pcs) { 800f1ae32a1SGerd Hoffmann ev_trb.control |= TRB_C; 801f1ae32a1SGerd Hoffmann } 802f1ae32a1SGerd Hoffmann ev_trb.control = cpu_to_le32(ev_trb.control); 803f1ae32a1SGerd Hoffmann 804962d11e1SGerd Hoffmann trace_usb_xhci_queue_event(v, intr->er_ep_idx, trb_name(&ev_trb), 805873123feSGerd Hoffmann event_name(event), ev_trb.parameter, 806873123feSGerd Hoffmann ev_trb.status, ev_trb.control); 807f1ae32a1SGerd Hoffmann 808962d11e1SGerd Hoffmann addr = intr->er_start + TRB_SIZE*intr->er_ep_idx; 80959a70ccdSDavid Gibson pci_dma_write(&xhci->pci_dev, addr, &ev_trb, TRB_SIZE); 810f1ae32a1SGerd Hoffmann 811962d11e1SGerd Hoffmann intr->er_ep_idx++; 812962d11e1SGerd Hoffmann if (intr->er_ep_idx >= intr->er_size) { 813962d11e1SGerd Hoffmann intr->er_ep_idx = 0; 814962d11e1SGerd Hoffmann intr->er_pcs = !intr->er_pcs; 815f1ae32a1SGerd Hoffmann } 816f1ae32a1SGerd Hoffmann } 817f1ae32a1SGerd Hoffmann 818962d11e1SGerd Hoffmann static void xhci_events_update(XHCIState *xhci, int v) 819f1ae32a1SGerd Hoffmann { 820962d11e1SGerd Hoffmann XHCIInterrupter *intr = &xhci->intr[v]; 82159a70ccdSDavid Gibson dma_addr_t erdp; 822f1ae32a1SGerd Hoffmann unsigned int dp_idx; 823f1ae32a1SGerd Hoffmann bool do_irq = 0; 824f1ae32a1SGerd Hoffmann 825f1ae32a1SGerd Hoffmann if (xhci->usbsts & USBSTS_HCH) { 826f1ae32a1SGerd Hoffmann return; 827f1ae32a1SGerd Hoffmann } 828f1ae32a1SGerd Hoffmann 829962d11e1SGerd Hoffmann erdp = xhci_addr64(intr->erdp_low, intr->erdp_high); 830962d11e1SGerd Hoffmann if (erdp < intr->er_start || 831962d11e1SGerd Hoffmann erdp >= (intr->er_start + TRB_SIZE*intr->er_size)) { 83259a70ccdSDavid Gibson fprintf(stderr, "xhci: ERDP out of bounds: "DMA_ADDR_FMT"\n", erdp); 833962d11e1SGerd Hoffmann fprintf(stderr, "xhci: ER[%d] at "DMA_ADDR_FMT" len %d\n", 834962d11e1SGerd Hoffmann v, intr->er_start, intr->er_size); 835f1ae32a1SGerd Hoffmann xhci_die(xhci); 836f1ae32a1SGerd Hoffmann return; 837f1ae32a1SGerd Hoffmann } 838962d11e1SGerd Hoffmann dp_idx = (erdp - intr->er_start) / TRB_SIZE; 839962d11e1SGerd Hoffmann assert(dp_idx < intr->er_size); 840f1ae32a1SGerd Hoffmann 841f1ae32a1SGerd Hoffmann /* NEC didn't read section 4.9.4 of the spec (v1.0 p139 top Note) and thus 842f1ae32a1SGerd Hoffmann * deadlocks when the ER is full. Hack it by holding off events until 843f1ae32a1SGerd Hoffmann * the driver decides to free at least half of the ring */ 844962d11e1SGerd Hoffmann if (intr->er_full) { 845962d11e1SGerd Hoffmann int er_free = dp_idx - intr->er_ep_idx; 846f1ae32a1SGerd Hoffmann if (er_free <= 0) { 847962d11e1SGerd Hoffmann er_free += intr->er_size; 848f1ae32a1SGerd Hoffmann } 849962d11e1SGerd Hoffmann if (er_free < (intr->er_size/2)) { 850f1ae32a1SGerd Hoffmann DPRINTF("xhci_events_update(): event ring still " 851f1ae32a1SGerd Hoffmann "more than half full (hack)\n"); 852f1ae32a1SGerd Hoffmann return; 853f1ae32a1SGerd Hoffmann } 854f1ae32a1SGerd Hoffmann } 855f1ae32a1SGerd Hoffmann 856962d11e1SGerd Hoffmann while (intr->ev_buffer_put != intr->ev_buffer_get) { 857962d11e1SGerd Hoffmann assert(intr->er_full); 858962d11e1SGerd Hoffmann if (((intr->er_ep_idx+1) % intr->er_size) == dp_idx) { 859f1ae32a1SGerd Hoffmann DPRINTF("xhci_events_update(): event ring full again\n"); 860f1ae32a1SGerd Hoffmann #ifndef ER_FULL_HACK 861f1ae32a1SGerd Hoffmann XHCIEvent full = {ER_HOST_CONTROLLER, CC_EVENT_RING_FULL_ERROR}; 862962d11e1SGerd Hoffmann xhci_write_event(xhci, &full, v); 863f1ae32a1SGerd Hoffmann #endif 864f1ae32a1SGerd Hoffmann do_irq = 1; 865f1ae32a1SGerd Hoffmann break; 866f1ae32a1SGerd Hoffmann } 867962d11e1SGerd Hoffmann XHCIEvent *event = &intr->ev_buffer[intr->ev_buffer_get]; 868962d11e1SGerd Hoffmann xhci_write_event(xhci, event, v); 869962d11e1SGerd Hoffmann intr->ev_buffer_get++; 870f1ae32a1SGerd Hoffmann do_irq = 1; 871962d11e1SGerd Hoffmann if (intr->ev_buffer_get == EV_QUEUE) { 872962d11e1SGerd Hoffmann intr->ev_buffer_get = 0; 873f1ae32a1SGerd Hoffmann } 874f1ae32a1SGerd Hoffmann } 875f1ae32a1SGerd Hoffmann 876f1ae32a1SGerd Hoffmann if (do_irq) { 877962d11e1SGerd Hoffmann xhci_intr_raise(xhci, v); 878f1ae32a1SGerd Hoffmann } 879f1ae32a1SGerd Hoffmann 880962d11e1SGerd Hoffmann if (intr->er_full && intr->ev_buffer_put == intr->ev_buffer_get) { 881f1ae32a1SGerd Hoffmann DPRINTF("xhci_events_update(): event ring no longer full\n"); 882962d11e1SGerd Hoffmann intr->er_full = 0; 883f1ae32a1SGerd Hoffmann } 884f1ae32a1SGerd Hoffmann } 885f1ae32a1SGerd Hoffmann 886962d11e1SGerd Hoffmann static void xhci_event(XHCIState *xhci, XHCIEvent *event, int v) 887f1ae32a1SGerd Hoffmann { 8882d1de850SGerd Hoffmann XHCIInterrupter *intr; 88959a70ccdSDavid Gibson dma_addr_t erdp; 890f1ae32a1SGerd Hoffmann unsigned int dp_idx; 891f1ae32a1SGerd Hoffmann 89291062ae0SGerd Hoffmann if (v >= xhci->numintrs) { 89391062ae0SGerd Hoffmann DPRINTF("intr nr out of range (%d >= %d)\n", v, xhci->numintrs); 8942d1de850SGerd Hoffmann return; 8952d1de850SGerd Hoffmann } 8962d1de850SGerd Hoffmann intr = &xhci->intr[v]; 8972d1de850SGerd Hoffmann 898962d11e1SGerd Hoffmann if (intr->er_full) { 899f1ae32a1SGerd Hoffmann DPRINTF("xhci_event(): ER full, queueing\n"); 900962d11e1SGerd Hoffmann if (((intr->ev_buffer_put+1) % EV_QUEUE) == intr->ev_buffer_get) { 901f1ae32a1SGerd Hoffmann fprintf(stderr, "xhci: event queue full, dropping event!\n"); 902f1ae32a1SGerd Hoffmann return; 903f1ae32a1SGerd Hoffmann } 904962d11e1SGerd Hoffmann intr->ev_buffer[intr->ev_buffer_put++] = *event; 905962d11e1SGerd Hoffmann if (intr->ev_buffer_put == EV_QUEUE) { 906962d11e1SGerd Hoffmann intr->ev_buffer_put = 0; 907f1ae32a1SGerd Hoffmann } 908f1ae32a1SGerd Hoffmann return; 909f1ae32a1SGerd Hoffmann } 910f1ae32a1SGerd Hoffmann 911962d11e1SGerd Hoffmann erdp = xhci_addr64(intr->erdp_low, intr->erdp_high); 912962d11e1SGerd Hoffmann if (erdp < intr->er_start || 913962d11e1SGerd Hoffmann erdp >= (intr->er_start + TRB_SIZE*intr->er_size)) { 91459a70ccdSDavid Gibson fprintf(stderr, "xhci: ERDP out of bounds: "DMA_ADDR_FMT"\n", erdp); 915962d11e1SGerd Hoffmann fprintf(stderr, "xhci: ER[%d] at "DMA_ADDR_FMT" len %d\n", 916962d11e1SGerd Hoffmann v, intr->er_start, intr->er_size); 917f1ae32a1SGerd Hoffmann xhci_die(xhci); 918f1ae32a1SGerd Hoffmann return; 919f1ae32a1SGerd Hoffmann } 920f1ae32a1SGerd Hoffmann 921962d11e1SGerd Hoffmann dp_idx = (erdp - intr->er_start) / TRB_SIZE; 922962d11e1SGerd Hoffmann assert(dp_idx < intr->er_size); 923f1ae32a1SGerd Hoffmann 924962d11e1SGerd Hoffmann if ((intr->er_ep_idx+1) % intr->er_size == dp_idx) { 925f1ae32a1SGerd Hoffmann DPRINTF("xhci_event(): ER full, queueing\n"); 926f1ae32a1SGerd Hoffmann #ifndef ER_FULL_HACK 927f1ae32a1SGerd Hoffmann XHCIEvent full = {ER_HOST_CONTROLLER, CC_EVENT_RING_FULL_ERROR}; 928f1ae32a1SGerd Hoffmann xhci_write_event(xhci, &full); 929f1ae32a1SGerd Hoffmann #endif 930962d11e1SGerd Hoffmann intr->er_full = 1; 931962d11e1SGerd Hoffmann if (((intr->ev_buffer_put+1) % EV_QUEUE) == intr->ev_buffer_get) { 932f1ae32a1SGerd Hoffmann fprintf(stderr, "xhci: event queue full, dropping event!\n"); 933f1ae32a1SGerd Hoffmann return; 934f1ae32a1SGerd Hoffmann } 935962d11e1SGerd Hoffmann intr->ev_buffer[intr->ev_buffer_put++] = *event; 936962d11e1SGerd Hoffmann if (intr->ev_buffer_put == EV_QUEUE) { 937962d11e1SGerd Hoffmann intr->ev_buffer_put = 0; 938f1ae32a1SGerd Hoffmann } 939f1ae32a1SGerd Hoffmann } else { 940962d11e1SGerd Hoffmann xhci_write_event(xhci, event, v); 941f1ae32a1SGerd Hoffmann } 942f1ae32a1SGerd Hoffmann 943962d11e1SGerd Hoffmann xhci_intr_raise(xhci, v); 944f1ae32a1SGerd Hoffmann } 945f1ae32a1SGerd Hoffmann 946f1ae32a1SGerd Hoffmann static void xhci_ring_init(XHCIState *xhci, XHCIRing *ring, 94759a70ccdSDavid Gibson dma_addr_t base) 948f1ae32a1SGerd Hoffmann { 949f1ae32a1SGerd Hoffmann ring->base = base; 950f1ae32a1SGerd Hoffmann ring->dequeue = base; 951f1ae32a1SGerd Hoffmann ring->ccs = 1; 952f1ae32a1SGerd Hoffmann } 953f1ae32a1SGerd Hoffmann 954f1ae32a1SGerd Hoffmann static TRBType xhci_ring_fetch(XHCIState *xhci, XHCIRing *ring, XHCITRB *trb, 95559a70ccdSDavid Gibson dma_addr_t *addr) 956f1ae32a1SGerd Hoffmann { 957f1ae32a1SGerd Hoffmann while (1) { 958f1ae32a1SGerd Hoffmann TRBType type; 95959a70ccdSDavid Gibson pci_dma_read(&xhci->pci_dev, ring->dequeue, trb, TRB_SIZE); 960f1ae32a1SGerd Hoffmann trb->addr = ring->dequeue; 961f1ae32a1SGerd Hoffmann trb->ccs = ring->ccs; 962f1ae32a1SGerd Hoffmann le64_to_cpus(&trb->parameter); 963f1ae32a1SGerd Hoffmann le32_to_cpus(&trb->status); 964f1ae32a1SGerd Hoffmann le32_to_cpus(&trb->control); 965f1ae32a1SGerd Hoffmann 9660703a4a7SGerd Hoffmann trace_usb_xhci_fetch_trb(ring->dequeue, trb_name(trb), 9670703a4a7SGerd Hoffmann trb->parameter, trb->status, trb->control); 968f1ae32a1SGerd Hoffmann 969f1ae32a1SGerd Hoffmann if ((trb->control & TRB_C) != ring->ccs) { 970f1ae32a1SGerd Hoffmann return 0; 971f1ae32a1SGerd Hoffmann } 972f1ae32a1SGerd Hoffmann 973f1ae32a1SGerd Hoffmann type = TRB_TYPE(*trb); 974f1ae32a1SGerd Hoffmann 975f1ae32a1SGerd Hoffmann if (type != TR_LINK) { 976f1ae32a1SGerd Hoffmann if (addr) { 977f1ae32a1SGerd Hoffmann *addr = ring->dequeue; 978f1ae32a1SGerd Hoffmann } 979f1ae32a1SGerd Hoffmann ring->dequeue += TRB_SIZE; 980f1ae32a1SGerd Hoffmann return type; 981f1ae32a1SGerd Hoffmann } else { 982f1ae32a1SGerd Hoffmann ring->dequeue = xhci_mask64(trb->parameter); 983f1ae32a1SGerd Hoffmann if (trb->control & TRB_LK_TC) { 984f1ae32a1SGerd Hoffmann ring->ccs = !ring->ccs; 985f1ae32a1SGerd Hoffmann } 986f1ae32a1SGerd Hoffmann } 987f1ae32a1SGerd Hoffmann } 988f1ae32a1SGerd Hoffmann } 989f1ae32a1SGerd Hoffmann 990f1ae32a1SGerd Hoffmann static int xhci_ring_chain_length(XHCIState *xhci, const XHCIRing *ring) 991f1ae32a1SGerd Hoffmann { 992f1ae32a1SGerd Hoffmann XHCITRB trb; 993f1ae32a1SGerd Hoffmann int length = 0; 99459a70ccdSDavid Gibson dma_addr_t dequeue = ring->dequeue; 995f1ae32a1SGerd Hoffmann bool ccs = ring->ccs; 996f1ae32a1SGerd Hoffmann /* hack to bundle together the two/three TDs that make a setup transfer */ 997f1ae32a1SGerd Hoffmann bool control_td_set = 0; 998f1ae32a1SGerd Hoffmann 999f1ae32a1SGerd Hoffmann while (1) { 1000f1ae32a1SGerd Hoffmann TRBType type; 100159a70ccdSDavid Gibson pci_dma_read(&xhci->pci_dev, dequeue, &trb, TRB_SIZE); 1002f1ae32a1SGerd Hoffmann le64_to_cpus(&trb.parameter); 1003f1ae32a1SGerd Hoffmann le32_to_cpus(&trb.status); 1004f1ae32a1SGerd Hoffmann le32_to_cpus(&trb.control); 1005f1ae32a1SGerd Hoffmann 1006f1ae32a1SGerd Hoffmann if ((trb.control & TRB_C) != ccs) { 1007f1ae32a1SGerd Hoffmann return -length; 1008f1ae32a1SGerd Hoffmann } 1009f1ae32a1SGerd Hoffmann 1010f1ae32a1SGerd Hoffmann type = TRB_TYPE(trb); 1011f1ae32a1SGerd Hoffmann 1012f1ae32a1SGerd Hoffmann if (type == TR_LINK) { 1013f1ae32a1SGerd Hoffmann dequeue = xhci_mask64(trb.parameter); 1014f1ae32a1SGerd Hoffmann if (trb.control & TRB_LK_TC) { 1015f1ae32a1SGerd Hoffmann ccs = !ccs; 1016f1ae32a1SGerd Hoffmann } 1017f1ae32a1SGerd Hoffmann continue; 1018f1ae32a1SGerd Hoffmann } 1019f1ae32a1SGerd Hoffmann 1020f1ae32a1SGerd Hoffmann length += 1; 1021f1ae32a1SGerd Hoffmann dequeue += TRB_SIZE; 1022f1ae32a1SGerd Hoffmann 1023f1ae32a1SGerd Hoffmann if (type == TR_SETUP) { 1024f1ae32a1SGerd Hoffmann control_td_set = 1; 1025f1ae32a1SGerd Hoffmann } else if (type == TR_STATUS) { 1026f1ae32a1SGerd Hoffmann control_td_set = 0; 1027f1ae32a1SGerd Hoffmann } 1028f1ae32a1SGerd Hoffmann 1029f1ae32a1SGerd Hoffmann if (!control_td_set && !(trb.control & TRB_TR_CH)) { 1030f1ae32a1SGerd Hoffmann return length; 1031f1ae32a1SGerd Hoffmann } 1032f1ae32a1SGerd Hoffmann } 1033f1ae32a1SGerd Hoffmann } 1034f1ae32a1SGerd Hoffmann 1035962d11e1SGerd Hoffmann static void xhci_er_reset(XHCIState *xhci, int v) 1036f1ae32a1SGerd Hoffmann { 1037962d11e1SGerd Hoffmann XHCIInterrupter *intr = &xhci->intr[v]; 1038f1ae32a1SGerd Hoffmann XHCIEvRingSeg seg; 1039f1ae32a1SGerd Hoffmann 1040e099ad4bSGerd Hoffmann if (intr->erstsz == 0) { 1041e099ad4bSGerd Hoffmann /* disabled */ 1042e099ad4bSGerd Hoffmann intr->er_start = 0; 1043e099ad4bSGerd Hoffmann intr->er_size = 0; 1044e099ad4bSGerd Hoffmann return; 1045e099ad4bSGerd Hoffmann } 1046f1ae32a1SGerd Hoffmann /* cache the (sole) event ring segment location */ 1047962d11e1SGerd Hoffmann if (intr->erstsz != 1) { 1048962d11e1SGerd Hoffmann fprintf(stderr, "xhci: invalid value for ERSTSZ: %d\n", intr->erstsz); 1049f1ae32a1SGerd Hoffmann xhci_die(xhci); 1050f1ae32a1SGerd Hoffmann return; 1051f1ae32a1SGerd Hoffmann } 1052962d11e1SGerd Hoffmann dma_addr_t erstba = xhci_addr64(intr->erstba_low, intr->erstba_high); 105359a70ccdSDavid Gibson pci_dma_read(&xhci->pci_dev, erstba, &seg, sizeof(seg)); 1054f1ae32a1SGerd Hoffmann le32_to_cpus(&seg.addr_low); 1055f1ae32a1SGerd Hoffmann le32_to_cpus(&seg.addr_high); 1056f1ae32a1SGerd Hoffmann le32_to_cpus(&seg.size); 1057f1ae32a1SGerd Hoffmann if (seg.size < 16 || seg.size > 4096) { 1058f1ae32a1SGerd Hoffmann fprintf(stderr, "xhci: invalid value for segment size: %d\n", seg.size); 1059f1ae32a1SGerd Hoffmann xhci_die(xhci); 1060f1ae32a1SGerd Hoffmann return; 1061f1ae32a1SGerd Hoffmann } 1062962d11e1SGerd Hoffmann intr->er_start = xhci_addr64(seg.addr_low, seg.addr_high); 1063962d11e1SGerd Hoffmann intr->er_size = seg.size; 1064f1ae32a1SGerd Hoffmann 1065962d11e1SGerd Hoffmann intr->er_ep_idx = 0; 1066962d11e1SGerd Hoffmann intr->er_pcs = 1; 1067962d11e1SGerd Hoffmann intr->er_full = 0; 1068f1ae32a1SGerd Hoffmann 1069962d11e1SGerd Hoffmann DPRINTF("xhci: event ring[%d]:" DMA_ADDR_FMT " [%d]\n", 1070962d11e1SGerd Hoffmann v, intr->er_start, intr->er_size); 1071f1ae32a1SGerd Hoffmann } 1072f1ae32a1SGerd Hoffmann 1073f1ae32a1SGerd Hoffmann static void xhci_run(XHCIState *xhci) 1074f1ae32a1SGerd Hoffmann { 1075fc0ddacaSGerd Hoffmann trace_usb_xhci_run(); 1076f1ae32a1SGerd Hoffmann xhci->usbsts &= ~USBSTS_HCH; 107701546fa6SGerd Hoffmann xhci->mfindex_start = qemu_get_clock_ns(vm_clock); 1078f1ae32a1SGerd Hoffmann } 1079f1ae32a1SGerd Hoffmann 1080f1ae32a1SGerd Hoffmann static void xhci_stop(XHCIState *xhci) 1081f1ae32a1SGerd Hoffmann { 1082fc0ddacaSGerd Hoffmann trace_usb_xhci_stop(); 1083f1ae32a1SGerd Hoffmann xhci->usbsts |= USBSTS_HCH; 1084f1ae32a1SGerd Hoffmann xhci->crcr_low &= ~CRCR_CRR; 1085f1ae32a1SGerd Hoffmann } 1086f1ae32a1SGerd Hoffmann 1087*024426acSGerd Hoffmann static XHCIStreamContext *xhci_alloc_stream_contexts(unsigned count, 1088*024426acSGerd Hoffmann dma_addr_t base) 1089*024426acSGerd Hoffmann { 1090*024426acSGerd Hoffmann XHCIStreamContext *stctx; 1091*024426acSGerd Hoffmann unsigned int i; 1092*024426acSGerd Hoffmann 1093*024426acSGerd Hoffmann stctx = g_new0(XHCIStreamContext, count); 1094*024426acSGerd Hoffmann for (i = 0; i < count; i++) { 1095*024426acSGerd Hoffmann stctx[i].pctx = base + i * 16; 1096*024426acSGerd Hoffmann stctx[i].sct = -1; 1097*024426acSGerd Hoffmann } 1098*024426acSGerd Hoffmann return stctx; 1099*024426acSGerd Hoffmann } 1100*024426acSGerd Hoffmann 1101*024426acSGerd Hoffmann static void xhci_reset_streams(XHCIEPContext *epctx) 1102*024426acSGerd Hoffmann { 1103*024426acSGerd Hoffmann unsigned int i; 1104*024426acSGerd Hoffmann 1105*024426acSGerd Hoffmann for (i = 0; i < epctx->nr_pstreams; i++) { 1106*024426acSGerd Hoffmann epctx->pstreams[i].sct = -1; 1107*024426acSGerd Hoffmann g_free(epctx->pstreams[i].sstreams); 1108*024426acSGerd Hoffmann } 1109*024426acSGerd Hoffmann } 1110*024426acSGerd Hoffmann 1111*024426acSGerd Hoffmann static void xhci_alloc_streams(XHCIEPContext *epctx, dma_addr_t base) 1112*024426acSGerd Hoffmann { 1113*024426acSGerd Hoffmann assert(epctx->pstreams == NULL); 1114*024426acSGerd Hoffmann epctx->nr_pstreams = 2 << epctx->max_pstreams; 1115*024426acSGerd Hoffmann epctx->pstreams = xhci_alloc_stream_contexts(epctx->nr_pstreams, base); 1116*024426acSGerd Hoffmann } 1117*024426acSGerd Hoffmann 1118*024426acSGerd Hoffmann static void xhci_free_streams(XHCIEPContext *epctx) 1119*024426acSGerd Hoffmann { 1120*024426acSGerd Hoffmann int i; 1121*024426acSGerd Hoffmann 1122*024426acSGerd Hoffmann assert(epctx->pstreams != NULL); 1123*024426acSGerd Hoffmann 1124*024426acSGerd Hoffmann if (!epctx->lsa) { 1125*024426acSGerd Hoffmann for (i = 0; i < epctx->nr_pstreams; i++) { 1126*024426acSGerd Hoffmann g_free(epctx->pstreams[i].sstreams); 1127*024426acSGerd Hoffmann } 1128*024426acSGerd Hoffmann } 1129*024426acSGerd Hoffmann g_free(epctx->pstreams); 1130*024426acSGerd Hoffmann epctx->pstreams = NULL; 1131*024426acSGerd Hoffmann epctx->nr_pstreams = 0; 1132*024426acSGerd Hoffmann } 1133*024426acSGerd Hoffmann 1134*024426acSGerd Hoffmann static XHCIStreamContext *xhci_find_stream(XHCIEPContext *epctx, 1135*024426acSGerd Hoffmann unsigned int streamid, 1136*024426acSGerd Hoffmann uint32_t *cc_error) 1137*024426acSGerd Hoffmann { 1138*024426acSGerd Hoffmann XHCIStreamContext *sctx; 1139*024426acSGerd Hoffmann dma_addr_t base; 1140*024426acSGerd Hoffmann uint32_t ctx[2], sct; 1141*024426acSGerd Hoffmann 1142*024426acSGerd Hoffmann assert(streamid != 0); 1143*024426acSGerd Hoffmann if (epctx->lsa) { 1144*024426acSGerd Hoffmann if (streamid >= epctx->nr_pstreams) { 1145*024426acSGerd Hoffmann *cc_error = CC_INVALID_STREAM_ID_ERROR; 1146*024426acSGerd Hoffmann return NULL; 1147*024426acSGerd Hoffmann } 1148*024426acSGerd Hoffmann sctx = epctx->pstreams + streamid; 1149*024426acSGerd Hoffmann } else { 1150*024426acSGerd Hoffmann FIXME("secondary streams not implemented yet"); 1151*024426acSGerd Hoffmann } 1152*024426acSGerd Hoffmann 1153*024426acSGerd Hoffmann if (sctx->sct == -1) { 1154*024426acSGerd Hoffmann xhci_dma_read_u32s(epctx->xhci, sctx->pctx, ctx, sizeof(ctx)); 1155*024426acSGerd Hoffmann fprintf(stderr, "%s: init sctx #%d @ %lx: %08x %08x\n", __func__, 1156*024426acSGerd Hoffmann streamid, sctx->pctx, ctx[0], ctx[1]); 1157*024426acSGerd Hoffmann sct = (ctx[0] >> 1) & 0x07; 1158*024426acSGerd Hoffmann if (epctx->lsa && sct != 1) { 1159*024426acSGerd Hoffmann *cc_error = CC_INVALID_STREAM_TYPE_ERROR; 1160*024426acSGerd Hoffmann return NULL; 1161*024426acSGerd Hoffmann } 1162*024426acSGerd Hoffmann sctx->sct = sct; 1163*024426acSGerd Hoffmann base = xhci_addr64(ctx[0] & ~0xf, ctx[1]); 1164*024426acSGerd Hoffmann xhci_ring_init(epctx->xhci, &sctx->ring, base); 1165*024426acSGerd Hoffmann } 1166*024426acSGerd Hoffmann return sctx; 1167*024426acSGerd Hoffmann } 1168*024426acSGerd Hoffmann 1169f1ae32a1SGerd Hoffmann static void xhci_set_ep_state(XHCIState *xhci, XHCIEPContext *epctx, 1170*024426acSGerd Hoffmann XHCIStreamContext *sctx, uint32_t state) 1171f1ae32a1SGerd Hoffmann { 1172f1ae32a1SGerd Hoffmann uint32_t ctx[5]; 1173*024426acSGerd Hoffmann uint32_t ctx2[2]; 1174f1ae32a1SGerd Hoffmann 1175*024426acSGerd Hoffmann fprintf(stderr, "%s: epid %d, state %d\n", 1176*024426acSGerd Hoffmann __func__, epctx->epid, state); 1177616b5d53SDavid Gibson xhci_dma_read_u32s(xhci, epctx->pctx, ctx, sizeof(ctx)); 1178f1ae32a1SGerd Hoffmann ctx[0] &= ~EP_STATE_MASK; 1179f1ae32a1SGerd Hoffmann ctx[0] |= state; 1180*024426acSGerd Hoffmann 1181*024426acSGerd Hoffmann /* update ring dequeue ptr */ 1182*024426acSGerd Hoffmann if (epctx->nr_pstreams) { 1183*024426acSGerd Hoffmann if (sctx != NULL) { 1184*024426acSGerd Hoffmann xhci_dma_read_u32s(xhci, sctx->pctx, ctx2, sizeof(ctx2)); 1185*024426acSGerd Hoffmann ctx2[0] &= 0xe; 1186*024426acSGerd Hoffmann ctx2[0] |= sctx->ring.dequeue | sctx->ring.ccs; 1187*024426acSGerd Hoffmann ctx2[1] = (sctx->ring.dequeue >> 16) >> 16; 1188*024426acSGerd Hoffmann xhci_dma_write_u32s(xhci, sctx->pctx, ctx2, sizeof(ctx2)); 1189*024426acSGerd Hoffmann } 1190*024426acSGerd Hoffmann } else { 1191f1ae32a1SGerd Hoffmann ctx[2] = epctx->ring.dequeue | epctx->ring.ccs; 1192f1ae32a1SGerd Hoffmann ctx[3] = (epctx->ring.dequeue >> 16) >> 16; 119359a70ccdSDavid Gibson DPRINTF("xhci: set epctx: " DMA_ADDR_FMT " state=%d dequeue=%08x%08x\n", 1194f1ae32a1SGerd Hoffmann epctx->pctx, state, ctx[3], ctx[2]); 1195*024426acSGerd Hoffmann } 1196*024426acSGerd Hoffmann 1197616b5d53SDavid Gibson xhci_dma_write_u32s(xhci, epctx->pctx, ctx, sizeof(ctx)); 1198f1ae32a1SGerd Hoffmann epctx->state = state; 1199f1ae32a1SGerd Hoffmann } 1200f1ae32a1SGerd Hoffmann 12013d139684SGerd Hoffmann static void xhci_ep_kick_timer(void *opaque) 12023d139684SGerd Hoffmann { 12033d139684SGerd Hoffmann XHCIEPContext *epctx = opaque; 1204*024426acSGerd Hoffmann xhci_kick_ep(epctx->xhci, epctx->slotid, epctx->epid, 0); 12053d139684SGerd Hoffmann } 12063d139684SGerd Hoffmann 1207f1ae32a1SGerd Hoffmann static TRBCCode xhci_enable_ep(XHCIState *xhci, unsigned int slotid, 120859a70ccdSDavid Gibson unsigned int epid, dma_addr_t pctx, 1209f1ae32a1SGerd Hoffmann uint32_t *ctx) 1210f1ae32a1SGerd Hoffmann { 1211f1ae32a1SGerd Hoffmann XHCISlot *slot; 1212f1ae32a1SGerd Hoffmann XHCIEPContext *epctx; 121359a70ccdSDavid Gibson dma_addr_t dequeue; 1214f1ae32a1SGerd Hoffmann int i; 1215f1ae32a1SGerd Hoffmann 1216c1f6b493SGerd Hoffmann trace_usb_xhci_ep_enable(slotid, epid); 121791062ae0SGerd Hoffmann assert(slotid >= 1 && slotid <= xhci->numslots); 1218f1ae32a1SGerd Hoffmann assert(epid >= 1 && epid <= 31); 1219f1ae32a1SGerd Hoffmann 1220f1ae32a1SGerd Hoffmann slot = &xhci->slots[slotid-1]; 1221f1ae32a1SGerd Hoffmann if (slot->eps[epid-1]) { 12220bc85da6SGerd Hoffmann xhci_disable_ep(xhci, slotid, epid); 1223f1ae32a1SGerd Hoffmann } 1224f1ae32a1SGerd Hoffmann 1225f1ae32a1SGerd Hoffmann epctx = g_malloc(sizeof(XHCIEPContext)); 1226f1ae32a1SGerd Hoffmann memset(epctx, 0, sizeof(XHCIEPContext)); 12273d139684SGerd Hoffmann epctx->xhci = xhci; 12283d139684SGerd Hoffmann epctx->slotid = slotid; 12293d139684SGerd Hoffmann epctx->epid = epid; 1230f1ae32a1SGerd Hoffmann 1231f1ae32a1SGerd Hoffmann slot->eps[epid-1] = epctx; 1232f1ae32a1SGerd Hoffmann 1233f1ae32a1SGerd Hoffmann dequeue = xhci_addr64(ctx[2] & ~0xf, ctx[3]); 1234f1ae32a1SGerd Hoffmann 1235f1ae32a1SGerd Hoffmann epctx->type = (ctx[1] >> EP_TYPE_SHIFT) & EP_TYPE_MASK; 1236f1ae32a1SGerd Hoffmann DPRINTF("xhci: endpoint %d.%d type is %d\n", epid/2, epid%2, epctx->type); 1237f1ae32a1SGerd Hoffmann epctx->pctx = pctx; 1238f1ae32a1SGerd Hoffmann epctx->max_psize = ctx[1]>>16; 1239f1ae32a1SGerd Hoffmann epctx->max_psize *= 1+((ctx[1]>>8)&0xff); 1240*024426acSGerd Hoffmann epctx->max_pstreams = (ctx[0] >> 10) & 0xf; 1241*024426acSGerd Hoffmann epctx->lsa = (ctx[0] >> 15) & 1; 1242f1ae32a1SGerd Hoffmann DPRINTF("xhci: endpoint %d.%d max transaction (burst) size is %d\n", 1243f1ae32a1SGerd Hoffmann epid/2, epid%2, epctx->max_psize); 1244*024426acSGerd Hoffmann if (epctx->max_pstreams) { 1245*024426acSGerd Hoffmann xhci_alloc_streams(epctx, dequeue); 1246*024426acSGerd Hoffmann } else { 1247*024426acSGerd Hoffmann xhci_ring_init(xhci, &epctx->ring, dequeue); 1248*024426acSGerd Hoffmann epctx->ring.ccs = ctx[2] & 1; 1249*024426acSGerd Hoffmann } 1250f1ae32a1SGerd Hoffmann for (i = 0; i < ARRAY_SIZE(epctx->transfers); i++) { 1251f1ae32a1SGerd Hoffmann usb_packet_init(&epctx->transfers[i].packet); 1252f1ae32a1SGerd Hoffmann } 1253f1ae32a1SGerd Hoffmann 12543d139684SGerd Hoffmann epctx->interval = 1 << (ctx[0] >> 16) & 0xff; 12553d139684SGerd Hoffmann epctx->mfindex_last = 0; 12563d139684SGerd Hoffmann epctx->kick_timer = qemu_new_timer_ns(vm_clock, xhci_ep_kick_timer, epctx); 12573d139684SGerd Hoffmann 1258f1ae32a1SGerd Hoffmann epctx->state = EP_RUNNING; 1259f1ae32a1SGerd Hoffmann ctx[0] &= ~EP_STATE_MASK; 1260f1ae32a1SGerd Hoffmann ctx[0] |= EP_RUNNING; 1261f1ae32a1SGerd Hoffmann 1262f1ae32a1SGerd Hoffmann return CC_SUCCESS; 1263f1ae32a1SGerd Hoffmann } 1264f1ae32a1SGerd Hoffmann 12653151f209SHans de Goede static int xhci_ep_nuke_one_xfer(XHCITransfer *t) 12663151f209SHans de Goede { 12673151f209SHans de Goede int killed = 0; 12683151f209SHans de Goede 12693151f209SHans de Goede if (t->running_async) { 12703151f209SHans de Goede usb_cancel_packet(&t->packet); 12713151f209SHans de Goede t->running_async = 0; 12723151f209SHans de Goede t->cancelled = 1; 12733151f209SHans de Goede DPRINTF("xhci: cancelling transfer, waiting for it to complete\n"); 12743151f209SHans de Goede killed = 1; 12753151f209SHans de Goede } 12763151f209SHans de Goede if (t->running_retry) { 12773151f209SHans de Goede XHCIEPContext *epctx = t->xhci->slots[t->slotid-1].eps[t->epid-1]; 12783151f209SHans de Goede if (epctx) { 12793151f209SHans de Goede epctx->retry = NULL; 12803151f209SHans de Goede qemu_del_timer(epctx->kick_timer); 12813151f209SHans de Goede } 12823151f209SHans de Goede t->running_retry = 0; 12833151f209SHans de Goede } 12843151f209SHans de Goede if (t->trbs) { 12853151f209SHans de Goede g_free(t->trbs); 12863151f209SHans de Goede } 12873151f209SHans de Goede 12883151f209SHans de Goede t->trbs = NULL; 12893151f209SHans de Goede t->trb_count = t->trb_alloced = 0; 12903151f209SHans de Goede 12913151f209SHans de Goede return killed; 12923151f209SHans de Goede } 12933151f209SHans de Goede 1294f1ae32a1SGerd Hoffmann static int xhci_ep_nuke_xfers(XHCIState *xhci, unsigned int slotid, 1295f1ae32a1SGerd Hoffmann unsigned int epid) 1296f1ae32a1SGerd Hoffmann { 1297f1ae32a1SGerd Hoffmann XHCISlot *slot; 1298f1ae32a1SGerd Hoffmann XHCIEPContext *epctx; 1299f1ae32a1SGerd Hoffmann int i, xferi, killed = 0; 1300f79738b0SHans de Goede USBEndpoint *ep = NULL; 130191062ae0SGerd Hoffmann assert(slotid >= 1 && slotid <= xhci->numslots); 1302f1ae32a1SGerd Hoffmann assert(epid >= 1 && epid <= 31); 1303f1ae32a1SGerd Hoffmann 1304f1ae32a1SGerd Hoffmann DPRINTF("xhci_ep_nuke_xfers(%d, %d)\n", slotid, epid); 1305f1ae32a1SGerd Hoffmann 1306f1ae32a1SGerd Hoffmann slot = &xhci->slots[slotid-1]; 1307f1ae32a1SGerd Hoffmann 1308f1ae32a1SGerd Hoffmann if (!slot->eps[epid-1]) { 1309f1ae32a1SGerd Hoffmann return 0; 1310f1ae32a1SGerd Hoffmann } 1311f1ae32a1SGerd Hoffmann 1312f1ae32a1SGerd Hoffmann epctx = slot->eps[epid-1]; 1313f1ae32a1SGerd Hoffmann 1314f1ae32a1SGerd Hoffmann xferi = epctx->next_xfer; 1315f1ae32a1SGerd Hoffmann for (i = 0; i < TD_QUEUE; i++) { 1316f79738b0SHans de Goede if (epctx->transfers[xferi].packet.ep) { 1317f79738b0SHans de Goede ep = epctx->transfers[xferi].packet.ep; 1318f79738b0SHans de Goede } 13193151f209SHans de Goede killed += xhci_ep_nuke_one_xfer(&epctx->transfers[xferi]); 13200cb41e2cSGerd Hoffmann epctx->transfers[xferi].packet.ep = NULL; 1321f1ae32a1SGerd Hoffmann xferi = (xferi + 1) % TD_QUEUE; 1322f1ae32a1SGerd Hoffmann } 1323f79738b0SHans de Goede if (ep) { 1324f79738b0SHans de Goede usb_device_ep_stopped(ep->dev, ep); 1325f79738b0SHans de Goede } 1326f1ae32a1SGerd Hoffmann return killed; 1327f1ae32a1SGerd Hoffmann } 1328f1ae32a1SGerd Hoffmann 1329f1ae32a1SGerd Hoffmann static TRBCCode xhci_disable_ep(XHCIState *xhci, unsigned int slotid, 1330f1ae32a1SGerd Hoffmann unsigned int epid) 1331f1ae32a1SGerd Hoffmann { 1332f1ae32a1SGerd Hoffmann XHCISlot *slot; 1333f1ae32a1SGerd Hoffmann XHCIEPContext *epctx; 1334f1ae32a1SGerd Hoffmann 1335c1f6b493SGerd Hoffmann trace_usb_xhci_ep_disable(slotid, epid); 133691062ae0SGerd Hoffmann assert(slotid >= 1 && slotid <= xhci->numslots); 1337f1ae32a1SGerd Hoffmann assert(epid >= 1 && epid <= 31); 1338f1ae32a1SGerd Hoffmann 1339f1ae32a1SGerd Hoffmann slot = &xhci->slots[slotid-1]; 1340f1ae32a1SGerd Hoffmann 1341f1ae32a1SGerd Hoffmann if (!slot->eps[epid-1]) { 1342f1ae32a1SGerd Hoffmann DPRINTF("xhci: slot %d ep %d already disabled\n", slotid, epid); 1343f1ae32a1SGerd Hoffmann return CC_SUCCESS; 1344f1ae32a1SGerd Hoffmann } 1345f1ae32a1SGerd Hoffmann 1346f1ae32a1SGerd Hoffmann xhci_ep_nuke_xfers(xhci, slotid, epid); 1347f1ae32a1SGerd Hoffmann 1348f1ae32a1SGerd Hoffmann epctx = slot->eps[epid-1]; 1349f1ae32a1SGerd Hoffmann 1350*024426acSGerd Hoffmann if (epctx->nr_pstreams) { 1351*024426acSGerd Hoffmann xhci_free_streams(epctx); 1352*024426acSGerd Hoffmann } 1353*024426acSGerd Hoffmann 1354*024426acSGerd Hoffmann xhci_set_ep_state(xhci, epctx, NULL, EP_DISABLED); 1355f1ae32a1SGerd Hoffmann 13563d139684SGerd Hoffmann qemu_free_timer(epctx->kick_timer); 1357f1ae32a1SGerd Hoffmann g_free(epctx); 1358f1ae32a1SGerd Hoffmann slot->eps[epid-1] = NULL; 1359f1ae32a1SGerd Hoffmann 1360f1ae32a1SGerd Hoffmann return CC_SUCCESS; 1361f1ae32a1SGerd Hoffmann } 1362f1ae32a1SGerd Hoffmann 1363f1ae32a1SGerd Hoffmann static TRBCCode xhci_stop_ep(XHCIState *xhci, unsigned int slotid, 1364f1ae32a1SGerd Hoffmann unsigned int epid) 1365f1ae32a1SGerd Hoffmann { 1366f1ae32a1SGerd Hoffmann XHCISlot *slot; 1367f1ae32a1SGerd Hoffmann XHCIEPContext *epctx; 1368f1ae32a1SGerd Hoffmann 1369c1f6b493SGerd Hoffmann trace_usb_xhci_ep_stop(slotid, epid); 137091062ae0SGerd Hoffmann assert(slotid >= 1 && slotid <= xhci->numslots); 1371f1ae32a1SGerd Hoffmann 1372f1ae32a1SGerd Hoffmann if (epid < 1 || epid > 31) { 1373f1ae32a1SGerd Hoffmann fprintf(stderr, "xhci: bad ep %d\n", epid); 1374f1ae32a1SGerd Hoffmann return CC_TRB_ERROR; 1375f1ae32a1SGerd Hoffmann } 1376f1ae32a1SGerd Hoffmann 1377f1ae32a1SGerd Hoffmann slot = &xhci->slots[slotid-1]; 1378f1ae32a1SGerd Hoffmann 1379f1ae32a1SGerd Hoffmann if (!slot->eps[epid-1]) { 1380f1ae32a1SGerd Hoffmann DPRINTF("xhci: slot %d ep %d not enabled\n", slotid, epid); 1381f1ae32a1SGerd Hoffmann return CC_EP_NOT_ENABLED_ERROR; 1382f1ae32a1SGerd Hoffmann } 1383f1ae32a1SGerd Hoffmann 1384f1ae32a1SGerd Hoffmann if (xhci_ep_nuke_xfers(xhci, slotid, epid) > 0) { 1385f1ae32a1SGerd Hoffmann fprintf(stderr, "xhci: FIXME: endpoint stopped w/ xfers running, " 1386f1ae32a1SGerd Hoffmann "data might be lost\n"); 1387f1ae32a1SGerd Hoffmann } 1388f1ae32a1SGerd Hoffmann 1389f1ae32a1SGerd Hoffmann epctx = slot->eps[epid-1]; 1390f1ae32a1SGerd Hoffmann 1391*024426acSGerd Hoffmann xhci_set_ep_state(xhci, epctx, NULL, EP_STOPPED); 1392*024426acSGerd Hoffmann 1393*024426acSGerd Hoffmann if (epctx->nr_pstreams) { 1394*024426acSGerd Hoffmann xhci_reset_streams(epctx); 1395*024426acSGerd Hoffmann } 1396f1ae32a1SGerd Hoffmann 1397f1ae32a1SGerd Hoffmann return CC_SUCCESS; 1398f1ae32a1SGerd Hoffmann } 1399f1ae32a1SGerd Hoffmann 1400f1ae32a1SGerd Hoffmann static TRBCCode xhci_reset_ep(XHCIState *xhci, unsigned int slotid, 1401f1ae32a1SGerd Hoffmann unsigned int epid) 1402f1ae32a1SGerd Hoffmann { 1403f1ae32a1SGerd Hoffmann XHCISlot *slot; 1404f1ae32a1SGerd Hoffmann XHCIEPContext *epctx; 1405f1ae32a1SGerd Hoffmann USBDevice *dev; 1406f1ae32a1SGerd Hoffmann 1407c1f6b493SGerd Hoffmann trace_usb_xhci_ep_reset(slotid, epid); 140891062ae0SGerd Hoffmann assert(slotid >= 1 && slotid <= xhci->numslots); 1409f1ae32a1SGerd Hoffmann 1410f1ae32a1SGerd Hoffmann if (epid < 1 || epid > 31) { 1411f1ae32a1SGerd Hoffmann fprintf(stderr, "xhci: bad ep %d\n", epid); 1412f1ae32a1SGerd Hoffmann return CC_TRB_ERROR; 1413f1ae32a1SGerd Hoffmann } 1414f1ae32a1SGerd Hoffmann 1415f1ae32a1SGerd Hoffmann slot = &xhci->slots[slotid-1]; 1416f1ae32a1SGerd Hoffmann 1417f1ae32a1SGerd Hoffmann if (!slot->eps[epid-1]) { 1418f1ae32a1SGerd Hoffmann DPRINTF("xhci: slot %d ep %d not enabled\n", slotid, epid); 1419f1ae32a1SGerd Hoffmann return CC_EP_NOT_ENABLED_ERROR; 1420f1ae32a1SGerd Hoffmann } 1421f1ae32a1SGerd Hoffmann 1422f1ae32a1SGerd Hoffmann epctx = slot->eps[epid-1]; 1423f1ae32a1SGerd Hoffmann 1424f1ae32a1SGerd Hoffmann if (epctx->state != EP_HALTED) { 1425f1ae32a1SGerd Hoffmann fprintf(stderr, "xhci: reset EP while EP %d not halted (%d)\n", 1426f1ae32a1SGerd Hoffmann epid, epctx->state); 1427f1ae32a1SGerd Hoffmann return CC_CONTEXT_STATE_ERROR; 1428f1ae32a1SGerd Hoffmann } 1429f1ae32a1SGerd Hoffmann 1430f1ae32a1SGerd Hoffmann if (xhci_ep_nuke_xfers(xhci, slotid, epid) > 0) { 1431f1ae32a1SGerd Hoffmann fprintf(stderr, "xhci: FIXME: endpoint reset w/ xfers running, " 1432f1ae32a1SGerd Hoffmann "data might be lost\n"); 1433f1ae32a1SGerd Hoffmann } 1434f1ae32a1SGerd Hoffmann 1435f1ae32a1SGerd Hoffmann uint8_t ep = epid>>1; 1436f1ae32a1SGerd Hoffmann 1437f1ae32a1SGerd Hoffmann if (epid & 1) { 1438f1ae32a1SGerd Hoffmann ep |= 0x80; 1439f1ae32a1SGerd Hoffmann } 1440f1ae32a1SGerd Hoffmann 1441ccaf87a0SGerd Hoffmann dev = xhci->slots[slotid-1].uport->dev; 1442f1ae32a1SGerd Hoffmann if (!dev) { 1443f1ae32a1SGerd Hoffmann return CC_USB_TRANSACTION_ERROR; 1444f1ae32a1SGerd Hoffmann } 1445f1ae32a1SGerd Hoffmann 1446*024426acSGerd Hoffmann xhci_set_ep_state(xhci, epctx, NULL, EP_STOPPED); 1447*024426acSGerd Hoffmann 1448*024426acSGerd Hoffmann if (epctx->nr_pstreams) { 1449*024426acSGerd Hoffmann xhci_reset_streams(epctx); 1450*024426acSGerd Hoffmann } 1451f1ae32a1SGerd Hoffmann 1452f1ae32a1SGerd Hoffmann return CC_SUCCESS; 1453f1ae32a1SGerd Hoffmann } 1454f1ae32a1SGerd Hoffmann 1455f1ae32a1SGerd Hoffmann static TRBCCode xhci_set_ep_dequeue(XHCIState *xhci, unsigned int slotid, 1456*024426acSGerd Hoffmann unsigned int epid, unsigned int streamid, 1457*024426acSGerd Hoffmann uint64_t pdequeue) 1458f1ae32a1SGerd Hoffmann { 1459f1ae32a1SGerd Hoffmann XHCISlot *slot; 1460f1ae32a1SGerd Hoffmann XHCIEPContext *epctx; 1461*024426acSGerd Hoffmann XHCIStreamContext *sctx; 146259a70ccdSDavid Gibson dma_addr_t dequeue; 1463f1ae32a1SGerd Hoffmann 146491062ae0SGerd Hoffmann assert(slotid >= 1 && slotid <= xhci->numslots); 1465f1ae32a1SGerd Hoffmann 1466f1ae32a1SGerd Hoffmann if (epid < 1 || epid > 31) { 1467f1ae32a1SGerd Hoffmann fprintf(stderr, "xhci: bad ep %d\n", epid); 1468f1ae32a1SGerd Hoffmann return CC_TRB_ERROR; 1469f1ae32a1SGerd Hoffmann } 1470f1ae32a1SGerd Hoffmann 1471*024426acSGerd Hoffmann trace_usb_xhci_ep_set_dequeue(slotid, epid, streamid, pdequeue); 1472f1ae32a1SGerd Hoffmann dequeue = xhci_mask64(pdequeue); 1473f1ae32a1SGerd Hoffmann 1474f1ae32a1SGerd Hoffmann slot = &xhci->slots[slotid-1]; 1475f1ae32a1SGerd Hoffmann 1476f1ae32a1SGerd Hoffmann if (!slot->eps[epid-1]) { 1477f1ae32a1SGerd Hoffmann DPRINTF("xhci: slot %d ep %d not enabled\n", slotid, epid); 1478f1ae32a1SGerd Hoffmann return CC_EP_NOT_ENABLED_ERROR; 1479f1ae32a1SGerd Hoffmann } 1480f1ae32a1SGerd Hoffmann 1481f1ae32a1SGerd Hoffmann epctx = slot->eps[epid-1]; 1482f1ae32a1SGerd Hoffmann 1483f1ae32a1SGerd Hoffmann if (epctx->state != EP_STOPPED) { 1484f1ae32a1SGerd Hoffmann fprintf(stderr, "xhci: set EP dequeue pointer while EP %d not stopped\n", epid); 1485f1ae32a1SGerd Hoffmann return CC_CONTEXT_STATE_ERROR; 1486f1ae32a1SGerd Hoffmann } 1487f1ae32a1SGerd Hoffmann 1488*024426acSGerd Hoffmann if (epctx->nr_pstreams) { 1489*024426acSGerd Hoffmann uint32_t err; 1490*024426acSGerd Hoffmann sctx = xhci_find_stream(epctx, streamid, &err); 1491*024426acSGerd Hoffmann if (sctx == NULL) { 1492*024426acSGerd Hoffmann return err; 1493*024426acSGerd Hoffmann } 1494*024426acSGerd Hoffmann xhci_ring_init(xhci, &sctx->ring, dequeue & ~0xf); 1495*024426acSGerd Hoffmann sctx->ring.ccs = dequeue & 1; 1496*024426acSGerd Hoffmann } else { 1497*024426acSGerd Hoffmann sctx = NULL; 1498f1ae32a1SGerd Hoffmann xhci_ring_init(xhci, &epctx->ring, dequeue & ~0xF); 1499f1ae32a1SGerd Hoffmann epctx->ring.ccs = dequeue & 1; 1500*024426acSGerd Hoffmann } 1501f1ae32a1SGerd Hoffmann 1502*024426acSGerd Hoffmann xhci_set_ep_state(xhci, epctx, sctx, EP_STOPPED); 1503f1ae32a1SGerd Hoffmann 1504f1ae32a1SGerd Hoffmann return CC_SUCCESS; 1505f1ae32a1SGerd Hoffmann } 1506f1ae32a1SGerd Hoffmann 1507a6fb2ddbSHans de Goede static int xhci_xfer_create_sgl(XHCITransfer *xfer, int in_xfer) 1508f1ae32a1SGerd Hoffmann { 1509f1ae32a1SGerd Hoffmann XHCIState *xhci = xfer->xhci; 1510d5a15814SGerd Hoffmann int i; 1511f1ae32a1SGerd Hoffmann 1512a6fb2ddbSHans de Goede xfer->int_req = false; 1513d5a15814SGerd Hoffmann pci_dma_sglist_init(&xfer->sgl, &xhci->pci_dev, xfer->trb_count); 1514f1ae32a1SGerd Hoffmann for (i = 0; i < xfer->trb_count; i++) { 1515f1ae32a1SGerd Hoffmann XHCITRB *trb = &xfer->trbs[i]; 151659a70ccdSDavid Gibson dma_addr_t addr; 1517f1ae32a1SGerd Hoffmann unsigned int chunk = 0; 1518f1ae32a1SGerd Hoffmann 1519a6fb2ddbSHans de Goede if (trb->control & TRB_TR_IOC) { 1520a6fb2ddbSHans de Goede xfer->int_req = true; 1521a6fb2ddbSHans de Goede } 1522a6fb2ddbSHans de Goede 1523f1ae32a1SGerd Hoffmann switch (TRB_TYPE(*trb)) { 1524f1ae32a1SGerd Hoffmann case TR_DATA: 1525f1ae32a1SGerd Hoffmann if ((!(trb->control & TRB_TR_DIR)) != (!in_xfer)) { 1526f1ae32a1SGerd Hoffmann fprintf(stderr, "xhci: data direction mismatch for TR_DATA\n"); 1527d5a15814SGerd Hoffmann goto err; 1528f1ae32a1SGerd Hoffmann } 1529f1ae32a1SGerd Hoffmann /* fallthrough */ 1530f1ae32a1SGerd Hoffmann case TR_NORMAL: 1531f1ae32a1SGerd Hoffmann case TR_ISOCH: 1532f1ae32a1SGerd Hoffmann addr = xhci_mask64(trb->parameter); 1533f1ae32a1SGerd Hoffmann chunk = trb->status & 0x1ffff; 1534f1ae32a1SGerd Hoffmann if (trb->control & TRB_TR_IDT) { 1535f1ae32a1SGerd Hoffmann if (chunk > 8 || in_xfer) { 1536f1ae32a1SGerd Hoffmann fprintf(stderr, "xhci: invalid immediate data TRB\n"); 1537d5a15814SGerd Hoffmann goto err; 1538d5a15814SGerd Hoffmann } 1539d5a15814SGerd Hoffmann qemu_sglist_add(&xfer->sgl, trb->addr, chunk); 1540d5a15814SGerd Hoffmann } else { 1541d5a15814SGerd Hoffmann qemu_sglist_add(&xfer->sgl, addr, chunk); 1542d5a15814SGerd Hoffmann } 1543d5a15814SGerd Hoffmann break; 1544d5a15814SGerd Hoffmann } 1545d5a15814SGerd Hoffmann } 1546d5a15814SGerd Hoffmann 1547d5a15814SGerd Hoffmann return 0; 1548d5a15814SGerd Hoffmann 1549d5a15814SGerd Hoffmann err: 1550d5a15814SGerd Hoffmann qemu_sglist_destroy(&xfer->sgl); 1551f1ae32a1SGerd Hoffmann xhci_die(xhci); 1552d5a15814SGerd Hoffmann return -1; 1553f1ae32a1SGerd Hoffmann } 1554d5a15814SGerd Hoffmann 1555d5a15814SGerd Hoffmann static void xhci_xfer_unmap(XHCITransfer *xfer) 1556d5a15814SGerd Hoffmann { 1557d5a15814SGerd Hoffmann usb_packet_unmap(&xfer->packet, &xfer->sgl); 1558d5a15814SGerd Hoffmann qemu_sglist_destroy(&xfer->sgl); 1559f1ae32a1SGerd Hoffmann } 1560d5a15814SGerd Hoffmann 1561d5a15814SGerd Hoffmann static void xhci_xfer_report(XHCITransfer *xfer) 1562d5a15814SGerd Hoffmann { 1563d5a15814SGerd Hoffmann uint32_t edtla = 0; 1564d5a15814SGerd Hoffmann unsigned int left; 1565d5a15814SGerd Hoffmann bool reported = 0; 1566d5a15814SGerd Hoffmann bool shortpkt = 0; 1567d5a15814SGerd Hoffmann XHCIEvent event = {ER_TRANSFER, CC_SUCCESS}; 1568d5a15814SGerd Hoffmann XHCIState *xhci = xfer->xhci; 1569f1ae32a1SGerd Hoffmann int i; 1570d5a15814SGerd Hoffmann 15719b8251c5SHans de Goede left = xfer->packet.actual_length; 1572d5a15814SGerd Hoffmann 1573d5a15814SGerd Hoffmann for (i = 0; i < xfer->trb_count; i++) { 1574d5a15814SGerd Hoffmann XHCITRB *trb = &xfer->trbs[i]; 1575d5a15814SGerd Hoffmann unsigned int chunk = 0; 1576d5a15814SGerd Hoffmann 1577d5a15814SGerd Hoffmann switch (TRB_TYPE(*trb)) { 1578d5a15814SGerd Hoffmann case TR_DATA: 1579d5a15814SGerd Hoffmann case TR_NORMAL: 1580d5a15814SGerd Hoffmann case TR_ISOCH: 1581d5a15814SGerd Hoffmann chunk = trb->status & 0x1ffff; 1582d5a15814SGerd Hoffmann if (chunk > left) { 1583d5a15814SGerd Hoffmann chunk = left; 1584d5a15814SGerd Hoffmann if (xfer->status == CC_SUCCESS) { 1585d5a15814SGerd Hoffmann shortpkt = 1; 1586f1ae32a1SGerd Hoffmann } 1587f1ae32a1SGerd Hoffmann } 1588f1ae32a1SGerd Hoffmann left -= chunk; 1589f1ae32a1SGerd Hoffmann edtla += chunk; 1590f1ae32a1SGerd Hoffmann break; 1591f1ae32a1SGerd Hoffmann case TR_STATUS: 1592f1ae32a1SGerd Hoffmann reported = 0; 1593f1ae32a1SGerd Hoffmann shortpkt = 0; 1594f1ae32a1SGerd Hoffmann break; 1595f1ae32a1SGerd Hoffmann } 1596f1ae32a1SGerd Hoffmann 1597d5a15814SGerd Hoffmann if (!reported && ((trb->control & TRB_TR_IOC) || 1598d5a15814SGerd Hoffmann (shortpkt && (trb->control & TRB_TR_ISP)) || 15999b8251c5SHans de Goede (xfer->status != CC_SUCCESS && left == 0))) { 1600f1ae32a1SGerd Hoffmann event.slotid = xfer->slotid; 1601f1ae32a1SGerd Hoffmann event.epid = xfer->epid; 1602f1ae32a1SGerd Hoffmann event.length = (trb->status & 0x1ffff) - chunk; 1603f1ae32a1SGerd Hoffmann event.flags = 0; 1604f1ae32a1SGerd Hoffmann event.ptr = trb->addr; 1605f1ae32a1SGerd Hoffmann if (xfer->status == CC_SUCCESS) { 1606f1ae32a1SGerd Hoffmann event.ccode = shortpkt ? CC_SHORT_PACKET : CC_SUCCESS; 1607f1ae32a1SGerd Hoffmann } else { 1608f1ae32a1SGerd Hoffmann event.ccode = xfer->status; 1609f1ae32a1SGerd Hoffmann } 1610f1ae32a1SGerd Hoffmann if (TRB_TYPE(*trb) == TR_EVDATA) { 1611f1ae32a1SGerd Hoffmann event.ptr = trb->parameter; 1612f1ae32a1SGerd Hoffmann event.flags |= TRB_EV_ED; 1613f1ae32a1SGerd Hoffmann event.length = edtla & 0xffffff; 1614f1ae32a1SGerd Hoffmann DPRINTF("xhci_xfer_data: EDTLA=%d\n", event.length); 1615f1ae32a1SGerd Hoffmann edtla = 0; 1616f1ae32a1SGerd Hoffmann } 16172d1de850SGerd Hoffmann xhci_event(xhci, &event, TRB_INTR(*trb)); 1618f1ae32a1SGerd Hoffmann reported = 1; 1619d5a15814SGerd Hoffmann if (xfer->status != CC_SUCCESS) { 1620d5a15814SGerd Hoffmann return; 1621f1ae32a1SGerd Hoffmann } 1622f1ae32a1SGerd Hoffmann } 1623d5a15814SGerd Hoffmann } 1624f1ae32a1SGerd Hoffmann } 1625f1ae32a1SGerd Hoffmann 1626f1ae32a1SGerd Hoffmann static void xhci_stall_ep(XHCITransfer *xfer) 1627f1ae32a1SGerd Hoffmann { 1628f1ae32a1SGerd Hoffmann XHCIState *xhci = xfer->xhci; 1629f1ae32a1SGerd Hoffmann XHCISlot *slot = &xhci->slots[xfer->slotid-1]; 1630f1ae32a1SGerd Hoffmann XHCIEPContext *epctx = slot->eps[xfer->epid-1]; 1631*024426acSGerd Hoffmann uint32_t err; 1632*024426acSGerd Hoffmann XHCIStreamContext *sctx; 1633f1ae32a1SGerd Hoffmann 1634*024426acSGerd Hoffmann if (epctx->nr_pstreams) { 1635*024426acSGerd Hoffmann sctx = xhci_find_stream(epctx, xfer->streamid, &err); 1636*024426acSGerd Hoffmann if (sctx == NULL) { 1637*024426acSGerd Hoffmann return; 1638*024426acSGerd Hoffmann } 1639*024426acSGerd Hoffmann sctx->ring.dequeue = xfer->trbs[0].addr; 1640*024426acSGerd Hoffmann sctx->ring.ccs = xfer->trbs[0].ccs; 1641*024426acSGerd Hoffmann xhci_set_ep_state(xhci, epctx, sctx, EP_HALTED); 1642*024426acSGerd Hoffmann } else { 1643f1ae32a1SGerd Hoffmann epctx->ring.dequeue = xfer->trbs[0].addr; 1644f1ae32a1SGerd Hoffmann epctx->ring.ccs = xfer->trbs[0].ccs; 1645*024426acSGerd Hoffmann xhci_set_ep_state(xhci, epctx, NULL, EP_HALTED); 1646*024426acSGerd Hoffmann } 1647f1ae32a1SGerd Hoffmann } 1648f1ae32a1SGerd Hoffmann 1649f1ae32a1SGerd Hoffmann static int xhci_submit(XHCIState *xhci, XHCITransfer *xfer, 1650f1ae32a1SGerd Hoffmann XHCIEPContext *epctx); 1651f1ae32a1SGerd Hoffmann 16525c08106fSGerd Hoffmann static int xhci_setup_packet(XHCITransfer *xfer) 16535c08106fSGerd Hoffmann { 16545c08106fSGerd Hoffmann XHCIState *xhci = xfer->xhci; 16555c08106fSGerd Hoffmann USBDevice *dev; 1656f1ae32a1SGerd Hoffmann USBEndpoint *ep; 1657f1ae32a1SGerd Hoffmann int dir; 1658f1ae32a1SGerd Hoffmann 1659f1ae32a1SGerd Hoffmann dir = xfer->in_xfer ? USB_TOKEN_IN : USB_TOKEN_OUT; 16605c08106fSGerd Hoffmann 16615c08106fSGerd Hoffmann if (xfer->packet.ep) { 16625c08106fSGerd Hoffmann ep = xfer->packet.ep; 16635c08106fSGerd Hoffmann dev = ep->dev; 16645c08106fSGerd Hoffmann } else { 1665ccaf87a0SGerd Hoffmann if (!xhci->slots[xfer->slotid-1].uport) { 1666ccaf87a0SGerd Hoffmann fprintf(stderr, "xhci: slot %d has no device\n", 1667ccaf87a0SGerd Hoffmann xfer->slotid); 16685c08106fSGerd Hoffmann return -1; 16695c08106fSGerd Hoffmann } 1670ccaf87a0SGerd Hoffmann dev = xhci->slots[xfer->slotid-1].uport->dev; 1671f1ae32a1SGerd Hoffmann ep = usb_ep_get(dev, dir, xfer->epid >> 1); 16725c08106fSGerd Hoffmann } 16735c08106fSGerd Hoffmann 1674a6fb2ddbSHans de Goede xhci_xfer_create_sgl(xfer, dir == USB_TOKEN_IN); /* Also sets int_req */ 1675*024426acSGerd Hoffmann usb_packet_setup(&xfer->packet, dir, ep, xfer->streamid, 16768550a02dSGerd Hoffmann xfer->trbs[0].addr, false, xfer->int_req); 1677a6fb2ddbSHans de Goede usb_packet_map(&xfer->packet, &xfer->sgl); 1678f1ae32a1SGerd Hoffmann DPRINTF("xhci: setup packet pid 0x%x addr %d ep %d\n", 1679f1ae32a1SGerd Hoffmann xfer->packet.pid, dev->addr, ep->nr); 1680f1ae32a1SGerd Hoffmann return 0; 1681f1ae32a1SGerd Hoffmann } 1682f1ae32a1SGerd Hoffmann 16839a77a0f5SHans de Goede static int xhci_complete_packet(XHCITransfer *xfer) 1684f1ae32a1SGerd Hoffmann { 16859a77a0f5SHans de Goede if (xfer->packet.status == USB_RET_ASYNC) { 168697df650bSGerd Hoffmann trace_usb_xhci_xfer_async(xfer); 1687f1ae32a1SGerd Hoffmann xfer->running_async = 1; 1688f1ae32a1SGerd Hoffmann xfer->running_retry = 0; 1689f1ae32a1SGerd Hoffmann xfer->complete = 0; 1690f1ae32a1SGerd Hoffmann xfer->cancelled = 0; 1691f1ae32a1SGerd Hoffmann return 0; 16929a77a0f5SHans de Goede } else if (xfer->packet.status == USB_RET_NAK) { 169397df650bSGerd Hoffmann trace_usb_xhci_xfer_nak(xfer); 1694f1ae32a1SGerd Hoffmann xfer->running_async = 0; 1695f1ae32a1SGerd Hoffmann xfer->running_retry = 1; 1696f1ae32a1SGerd Hoffmann xfer->complete = 0; 1697f1ae32a1SGerd Hoffmann xfer->cancelled = 0; 1698f1ae32a1SGerd Hoffmann return 0; 1699f1ae32a1SGerd Hoffmann } else { 1700f1ae32a1SGerd Hoffmann xfer->running_async = 0; 1701f1ae32a1SGerd Hoffmann xfer->running_retry = 0; 1702f1ae32a1SGerd Hoffmann xfer->complete = 1; 1703d5a15814SGerd Hoffmann xhci_xfer_unmap(xfer); 1704f1ae32a1SGerd Hoffmann } 1705f1ae32a1SGerd Hoffmann 17069a77a0f5SHans de Goede if (xfer->packet.status == USB_RET_SUCCESS) { 17079a77a0f5SHans de Goede trace_usb_xhci_xfer_success(xfer, xfer->packet.actual_length); 1708d5a15814SGerd Hoffmann xfer->status = CC_SUCCESS; 1709d5a15814SGerd Hoffmann xhci_xfer_report(xfer); 1710f1ae32a1SGerd Hoffmann return 0; 1711f1ae32a1SGerd Hoffmann } 1712f1ae32a1SGerd Hoffmann 1713f1ae32a1SGerd Hoffmann /* error */ 17149a77a0f5SHans de Goede trace_usb_xhci_xfer_error(xfer, xfer->packet.status); 17159a77a0f5SHans de Goede switch (xfer->packet.status) { 1716f1ae32a1SGerd Hoffmann case USB_RET_NODEV: 1717f1ae32a1SGerd Hoffmann xfer->status = CC_USB_TRANSACTION_ERROR; 1718d5a15814SGerd Hoffmann xhci_xfer_report(xfer); 1719f1ae32a1SGerd Hoffmann xhci_stall_ep(xfer); 1720f1ae32a1SGerd Hoffmann break; 1721f1ae32a1SGerd Hoffmann case USB_RET_STALL: 1722f1ae32a1SGerd Hoffmann xfer->status = CC_STALL_ERROR; 1723d5a15814SGerd Hoffmann xhci_xfer_report(xfer); 1724f1ae32a1SGerd Hoffmann xhci_stall_ep(xfer); 1725f1ae32a1SGerd Hoffmann break; 1726f1ae32a1SGerd Hoffmann default: 17279a77a0f5SHans de Goede fprintf(stderr, "%s: FIXME: status = %d\n", __func__, 17289a77a0f5SHans de Goede xfer->packet.status); 1729*024426acSGerd Hoffmann FIXME("unhandled USB_RET_*"); 1730f1ae32a1SGerd Hoffmann } 1731f1ae32a1SGerd Hoffmann return 0; 1732f1ae32a1SGerd Hoffmann } 1733f1ae32a1SGerd Hoffmann 1734f1ae32a1SGerd Hoffmann static int xhci_fire_ctl_transfer(XHCIState *xhci, XHCITransfer *xfer) 1735f1ae32a1SGerd Hoffmann { 1736f1ae32a1SGerd Hoffmann XHCITRB *trb_setup, *trb_status; 1737f1ae32a1SGerd Hoffmann uint8_t bmRequestType; 1738f1ae32a1SGerd Hoffmann 1739f1ae32a1SGerd Hoffmann trb_setup = &xfer->trbs[0]; 1740f1ae32a1SGerd Hoffmann trb_status = &xfer->trbs[xfer->trb_count-1]; 1741f1ae32a1SGerd Hoffmann 1742*024426acSGerd Hoffmann trace_usb_xhci_xfer_start(xfer, xfer->slotid, xfer->epid, xfer->streamid); 174397df650bSGerd Hoffmann 1744f1ae32a1SGerd Hoffmann /* at most one Event Data TRB allowed after STATUS */ 1745f1ae32a1SGerd Hoffmann if (TRB_TYPE(*trb_status) == TR_EVDATA && xfer->trb_count > 2) { 1746f1ae32a1SGerd Hoffmann trb_status--; 1747f1ae32a1SGerd Hoffmann } 1748f1ae32a1SGerd Hoffmann 1749f1ae32a1SGerd Hoffmann /* do some sanity checks */ 1750f1ae32a1SGerd Hoffmann if (TRB_TYPE(*trb_setup) != TR_SETUP) { 1751f1ae32a1SGerd Hoffmann fprintf(stderr, "xhci: ep0 first TD not SETUP: %d\n", 1752f1ae32a1SGerd Hoffmann TRB_TYPE(*trb_setup)); 1753f1ae32a1SGerd Hoffmann return -1; 1754f1ae32a1SGerd Hoffmann } 1755f1ae32a1SGerd Hoffmann if (TRB_TYPE(*trb_status) != TR_STATUS) { 1756f1ae32a1SGerd Hoffmann fprintf(stderr, "xhci: ep0 last TD not STATUS: %d\n", 1757f1ae32a1SGerd Hoffmann TRB_TYPE(*trb_status)); 1758f1ae32a1SGerd Hoffmann return -1; 1759f1ae32a1SGerd Hoffmann } 1760f1ae32a1SGerd Hoffmann if (!(trb_setup->control & TRB_TR_IDT)) { 1761f1ae32a1SGerd Hoffmann fprintf(stderr, "xhci: Setup TRB doesn't have IDT set\n"); 1762f1ae32a1SGerd Hoffmann return -1; 1763f1ae32a1SGerd Hoffmann } 1764f1ae32a1SGerd Hoffmann if ((trb_setup->status & 0x1ffff) != 8) { 1765f1ae32a1SGerd Hoffmann fprintf(stderr, "xhci: Setup TRB has bad length (%d)\n", 1766f1ae32a1SGerd Hoffmann (trb_setup->status & 0x1ffff)); 1767f1ae32a1SGerd Hoffmann return -1; 1768f1ae32a1SGerd Hoffmann } 1769f1ae32a1SGerd Hoffmann 1770f1ae32a1SGerd Hoffmann bmRequestType = trb_setup->parameter; 1771f1ae32a1SGerd Hoffmann 1772f1ae32a1SGerd Hoffmann xfer->in_xfer = bmRequestType & USB_DIR_IN; 1773f1ae32a1SGerd Hoffmann xfer->iso_xfer = false; 1774f1ae32a1SGerd Hoffmann 17755c08106fSGerd Hoffmann if (xhci_setup_packet(xfer) < 0) { 17765c08106fSGerd Hoffmann return -1; 17775c08106fSGerd Hoffmann } 1778f1ae32a1SGerd Hoffmann xfer->packet.parameter = trb_setup->parameter; 1779f1ae32a1SGerd Hoffmann 17809a77a0f5SHans de Goede usb_handle_packet(xfer->packet.ep->dev, &xfer->packet); 1781f1ae32a1SGerd Hoffmann 17829a77a0f5SHans de Goede xhci_complete_packet(xfer); 1783f1ae32a1SGerd Hoffmann if (!xfer->running_async && !xfer->running_retry) { 1784*024426acSGerd Hoffmann xhci_kick_ep(xhci, xfer->slotid, xfer->epid, 0); 1785f1ae32a1SGerd Hoffmann } 1786f1ae32a1SGerd Hoffmann return 0; 1787f1ae32a1SGerd Hoffmann } 1788f1ae32a1SGerd Hoffmann 17893d139684SGerd Hoffmann static void xhci_calc_iso_kick(XHCIState *xhci, XHCITransfer *xfer, 17903d139684SGerd Hoffmann XHCIEPContext *epctx, uint64_t mfindex) 17913d139684SGerd Hoffmann { 17923d139684SGerd Hoffmann if (xfer->trbs[0].control & TRB_TR_SIA) { 17933d139684SGerd Hoffmann uint64_t asap = ((mfindex + epctx->interval - 1) & 17943d139684SGerd Hoffmann ~(epctx->interval-1)); 17953d139684SGerd Hoffmann if (asap >= epctx->mfindex_last && 17963d139684SGerd Hoffmann asap <= epctx->mfindex_last + epctx->interval * 4) { 17973d139684SGerd Hoffmann xfer->mfindex_kick = epctx->mfindex_last + epctx->interval; 17983d139684SGerd Hoffmann } else { 17993d139684SGerd Hoffmann xfer->mfindex_kick = asap; 18003d139684SGerd Hoffmann } 18013d139684SGerd Hoffmann } else { 18023d139684SGerd Hoffmann xfer->mfindex_kick = (xfer->trbs[0].control >> TRB_TR_FRAMEID_SHIFT) 18033d139684SGerd Hoffmann & TRB_TR_FRAMEID_MASK; 18043d139684SGerd Hoffmann xfer->mfindex_kick |= mfindex & ~0x3fff; 18053d139684SGerd Hoffmann if (xfer->mfindex_kick < mfindex) { 18063d139684SGerd Hoffmann xfer->mfindex_kick += 0x4000; 18073d139684SGerd Hoffmann } 18083d139684SGerd Hoffmann } 18093d139684SGerd Hoffmann } 18103d139684SGerd Hoffmann 18113d139684SGerd Hoffmann static void xhci_check_iso_kick(XHCIState *xhci, XHCITransfer *xfer, 18123d139684SGerd Hoffmann XHCIEPContext *epctx, uint64_t mfindex) 18133d139684SGerd Hoffmann { 18143d139684SGerd Hoffmann if (xfer->mfindex_kick > mfindex) { 18153d139684SGerd Hoffmann qemu_mod_timer(epctx->kick_timer, qemu_get_clock_ns(vm_clock) + 18163d139684SGerd Hoffmann (xfer->mfindex_kick - mfindex) * 125000); 18173d139684SGerd Hoffmann xfer->running_retry = 1; 18183d139684SGerd Hoffmann } else { 18193d139684SGerd Hoffmann epctx->mfindex_last = xfer->mfindex_kick; 18203d139684SGerd Hoffmann qemu_del_timer(epctx->kick_timer); 18213d139684SGerd Hoffmann xfer->running_retry = 0; 18223d139684SGerd Hoffmann } 18233d139684SGerd Hoffmann } 18243d139684SGerd Hoffmann 18253d139684SGerd Hoffmann 1826f1ae32a1SGerd Hoffmann static int xhci_submit(XHCIState *xhci, XHCITransfer *xfer, XHCIEPContext *epctx) 1827f1ae32a1SGerd Hoffmann { 18283d139684SGerd Hoffmann uint64_t mfindex; 1829f1ae32a1SGerd Hoffmann 1830f1ae32a1SGerd Hoffmann DPRINTF("xhci_submit(slotid=%d,epid=%d)\n", xfer->slotid, xfer->epid); 1831f1ae32a1SGerd Hoffmann 1832f1ae32a1SGerd Hoffmann xfer->in_xfer = epctx->type>>2; 1833f1ae32a1SGerd Hoffmann 1834f1ae32a1SGerd Hoffmann switch(epctx->type) { 1835f1ae32a1SGerd Hoffmann case ET_INTR_OUT: 1836f1ae32a1SGerd Hoffmann case ET_INTR_IN: 1837f1ae32a1SGerd Hoffmann case ET_BULK_OUT: 1838f1ae32a1SGerd Hoffmann case ET_BULK_IN: 18393d139684SGerd Hoffmann xfer->pkts = 0; 18403d139684SGerd Hoffmann xfer->iso_xfer = false; 1841f1ae32a1SGerd Hoffmann break; 1842f1ae32a1SGerd Hoffmann case ET_ISO_OUT: 1843f1ae32a1SGerd Hoffmann case ET_ISO_IN: 18443d139684SGerd Hoffmann xfer->pkts = 1; 18453d139684SGerd Hoffmann xfer->iso_xfer = true; 18463d139684SGerd Hoffmann mfindex = xhci_mfindex_get(xhci); 18473d139684SGerd Hoffmann xhci_calc_iso_kick(xhci, xfer, epctx, mfindex); 18483d139684SGerd Hoffmann xhci_check_iso_kick(xhci, xfer, epctx, mfindex); 18493d139684SGerd Hoffmann if (xfer->running_retry) { 18503d139684SGerd Hoffmann return -1; 18513d139684SGerd Hoffmann } 1852f1ae32a1SGerd Hoffmann break; 1853f1ae32a1SGerd Hoffmann default: 1854f1ae32a1SGerd Hoffmann fprintf(stderr, "xhci: unknown or unhandled EP " 1855f1ae32a1SGerd Hoffmann "(type %d, in %d, ep %02x)\n", 1856f1ae32a1SGerd Hoffmann epctx->type, xfer->in_xfer, xfer->epid); 1857f1ae32a1SGerd Hoffmann return -1; 1858f1ae32a1SGerd Hoffmann } 1859f1ae32a1SGerd Hoffmann 18605c08106fSGerd Hoffmann if (xhci_setup_packet(xfer) < 0) { 18615c08106fSGerd Hoffmann return -1; 18625c08106fSGerd Hoffmann } 18639a77a0f5SHans de Goede usb_handle_packet(xfer->packet.ep->dev, &xfer->packet); 1864f1ae32a1SGerd Hoffmann 18659a77a0f5SHans de Goede xhci_complete_packet(xfer); 1866f1ae32a1SGerd Hoffmann if (!xfer->running_async && !xfer->running_retry) { 1867*024426acSGerd Hoffmann xhci_kick_ep(xhci, xfer->slotid, xfer->epid, xfer->streamid); 1868f1ae32a1SGerd Hoffmann } 1869f1ae32a1SGerd Hoffmann return 0; 1870f1ae32a1SGerd Hoffmann } 1871f1ae32a1SGerd Hoffmann 1872f1ae32a1SGerd Hoffmann static int xhci_fire_transfer(XHCIState *xhci, XHCITransfer *xfer, XHCIEPContext *epctx) 1873f1ae32a1SGerd Hoffmann { 1874*024426acSGerd Hoffmann trace_usb_xhci_xfer_start(xfer, xfer->slotid, xfer->epid, xfer->streamid); 1875f1ae32a1SGerd Hoffmann return xhci_submit(xhci, xfer, epctx); 1876f1ae32a1SGerd Hoffmann } 1877f1ae32a1SGerd Hoffmann 1878*024426acSGerd Hoffmann static void xhci_kick_ep(XHCIState *xhci, unsigned int slotid, 1879*024426acSGerd Hoffmann unsigned int epid, unsigned int streamid) 1880f1ae32a1SGerd Hoffmann { 1881*024426acSGerd Hoffmann XHCIStreamContext *stctx; 1882f1ae32a1SGerd Hoffmann XHCIEPContext *epctx; 1883*024426acSGerd Hoffmann XHCIRing *ring; 188436dfe324SHans de Goede USBEndpoint *ep = NULL; 18853d139684SGerd Hoffmann uint64_t mfindex; 1886f1ae32a1SGerd Hoffmann int length; 1887f1ae32a1SGerd Hoffmann int i; 1888f1ae32a1SGerd Hoffmann 1889*024426acSGerd Hoffmann trace_usb_xhci_ep_kick(slotid, epid, streamid); 189091062ae0SGerd Hoffmann assert(slotid >= 1 && slotid <= xhci->numslots); 1891f1ae32a1SGerd Hoffmann assert(epid >= 1 && epid <= 31); 1892f1ae32a1SGerd Hoffmann 1893f1ae32a1SGerd Hoffmann if (!xhci->slots[slotid-1].enabled) { 1894f1ae32a1SGerd Hoffmann fprintf(stderr, "xhci: xhci_kick_ep for disabled slot %d\n", slotid); 1895f1ae32a1SGerd Hoffmann return; 1896f1ae32a1SGerd Hoffmann } 1897f1ae32a1SGerd Hoffmann epctx = xhci->slots[slotid-1].eps[epid-1]; 1898f1ae32a1SGerd Hoffmann if (!epctx) { 1899f1ae32a1SGerd Hoffmann fprintf(stderr, "xhci: xhci_kick_ep for disabled endpoint %d,%d\n", 1900f1ae32a1SGerd Hoffmann epid, slotid); 1901f1ae32a1SGerd Hoffmann return; 1902f1ae32a1SGerd Hoffmann } 1903f1ae32a1SGerd Hoffmann 1904f1ae32a1SGerd Hoffmann if (epctx->retry) { 1905f1ae32a1SGerd Hoffmann XHCITransfer *xfer = epctx->retry; 1906f1ae32a1SGerd Hoffmann 190797df650bSGerd Hoffmann trace_usb_xhci_xfer_retry(xfer); 1908f1ae32a1SGerd Hoffmann assert(xfer->running_retry); 19093d139684SGerd Hoffmann if (xfer->iso_xfer) { 19103d139684SGerd Hoffmann /* retry delayed iso transfer */ 19113d139684SGerd Hoffmann mfindex = xhci_mfindex_get(xhci); 19123d139684SGerd Hoffmann xhci_check_iso_kick(xhci, xfer, epctx, mfindex); 19133d139684SGerd Hoffmann if (xfer->running_retry) { 19143d139684SGerd Hoffmann return; 19153d139684SGerd Hoffmann } 19163d139684SGerd Hoffmann if (xhci_setup_packet(xfer) < 0) { 19173d139684SGerd Hoffmann return; 19183d139684SGerd Hoffmann } 19199a77a0f5SHans de Goede usb_handle_packet(xfer->packet.ep->dev, &xfer->packet); 19209a77a0f5SHans de Goede assert(xfer->packet.status != USB_RET_NAK); 19219a77a0f5SHans de Goede xhci_complete_packet(xfer); 19223d139684SGerd Hoffmann } else { 19233d139684SGerd Hoffmann /* retry nak'ed transfer */ 19245c08106fSGerd Hoffmann if (xhci_setup_packet(xfer) < 0) { 19255c08106fSGerd Hoffmann return; 19265c08106fSGerd Hoffmann } 19279a77a0f5SHans de Goede usb_handle_packet(xfer->packet.ep->dev, &xfer->packet); 19289a77a0f5SHans de Goede if (xfer->packet.status == USB_RET_NAK) { 1929f1ae32a1SGerd Hoffmann return; 1930f1ae32a1SGerd Hoffmann } 19319a77a0f5SHans de Goede xhci_complete_packet(xfer); 19323d139684SGerd Hoffmann } 1933f1ae32a1SGerd Hoffmann assert(!xfer->running_retry); 1934f1ae32a1SGerd Hoffmann epctx->retry = NULL; 1935f1ae32a1SGerd Hoffmann } 1936f1ae32a1SGerd Hoffmann 1937f1ae32a1SGerd Hoffmann if (epctx->state == EP_HALTED) { 1938f1ae32a1SGerd Hoffmann DPRINTF("xhci: ep halted, not running schedule\n"); 1939f1ae32a1SGerd Hoffmann return; 1940f1ae32a1SGerd Hoffmann } 1941f1ae32a1SGerd Hoffmann 1942*024426acSGerd Hoffmann 1943*024426acSGerd Hoffmann if (epctx->nr_pstreams) { 1944*024426acSGerd Hoffmann uint32_t err; 1945*024426acSGerd Hoffmann stctx = xhci_find_stream(epctx, streamid, &err); 1946*024426acSGerd Hoffmann if (stctx == NULL) { 1947*024426acSGerd Hoffmann return; 1948*024426acSGerd Hoffmann } 1949*024426acSGerd Hoffmann ring = &stctx->ring; 1950*024426acSGerd Hoffmann xhci_set_ep_state(xhci, epctx, stctx, EP_RUNNING); 1951*024426acSGerd Hoffmann } else { 1952*024426acSGerd Hoffmann ring = &epctx->ring; 1953*024426acSGerd Hoffmann streamid = 0; 1954*024426acSGerd Hoffmann xhci_set_ep_state(xhci, epctx, NULL, EP_RUNNING); 1955*024426acSGerd Hoffmann } 1956*024426acSGerd Hoffmann assert(ring->base != 0); 1957f1ae32a1SGerd Hoffmann 1958f1ae32a1SGerd Hoffmann while (1) { 1959f1ae32a1SGerd Hoffmann XHCITransfer *xfer = &epctx->transfers[epctx->next_xfer]; 1960331e9406SGerd Hoffmann if (xfer->running_async || xfer->running_retry) { 1961f1ae32a1SGerd Hoffmann break; 1962f1ae32a1SGerd Hoffmann } 1963*024426acSGerd Hoffmann length = xhci_ring_chain_length(xhci, ring); 1964f1ae32a1SGerd Hoffmann if (length < 0) { 1965f1ae32a1SGerd Hoffmann break; 1966f1ae32a1SGerd Hoffmann } else if (length == 0) { 1967f1ae32a1SGerd Hoffmann break; 1968f1ae32a1SGerd Hoffmann } 1969f1ae32a1SGerd Hoffmann if (xfer->trbs && xfer->trb_alloced < length) { 1970f1ae32a1SGerd Hoffmann xfer->trb_count = 0; 1971f1ae32a1SGerd Hoffmann xfer->trb_alloced = 0; 1972f1ae32a1SGerd Hoffmann g_free(xfer->trbs); 1973f1ae32a1SGerd Hoffmann xfer->trbs = NULL; 1974f1ae32a1SGerd Hoffmann } 1975f1ae32a1SGerd Hoffmann if (!xfer->trbs) { 1976f1ae32a1SGerd Hoffmann xfer->trbs = g_malloc(sizeof(XHCITRB) * length); 1977f1ae32a1SGerd Hoffmann xfer->trb_alloced = length; 1978f1ae32a1SGerd Hoffmann } 1979f1ae32a1SGerd Hoffmann xfer->trb_count = length; 1980f1ae32a1SGerd Hoffmann 1981f1ae32a1SGerd Hoffmann for (i = 0; i < length; i++) { 1982*024426acSGerd Hoffmann assert(xhci_ring_fetch(xhci, ring, &xfer->trbs[i], NULL)); 1983f1ae32a1SGerd Hoffmann } 1984f1ae32a1SGerd Hoffmann xfer->xhci = xhci; 1985f1ae32a1SGerd Hoffmann xfer->epid = epid; 1986f1ae32a1SGerd Hoffmann xfer->slotid = slotid; 1987*024426acSGerd Hoffmann xfer->streamid = streamid; 1988f1ae32a1SGerd Hoffmann 1989f1ae32a1SGerd Hoffmann if (epid == 1) { 1990f1ae32a1SGerd Hoffmann if (xhci_fire_ctl_transfer(xhci, xfer) >= 0) { 1991f1ae32a1SGerd Hoffmann epctx->next_xfer = (epctx->next_xfer + 1) % TD_QUEUE; 199236dfe324SHans de Goede ep = xfer->packet.ep; 1993f1ae32a1SGerd Hoffmann } else { 1994f1ae32a1SGerd Hoffmann fprintf(stderr, "xhci: error firing CTL transfer\n"); 1995f1ae32a1SGerd Hoffmann } 1996f1ae32a1SGerd Hoffmann } else { 1997f1ae32a1SGerd Hoffmann if (xhci_fire_transfer(xhci, xfer, epctx) >= 0) { 1998f1ae32a1SGerd Hoffmann epctx->next_xfer = (epctx->next_xfer + 1) % TD_QUEUE; 199936dfe324SHans de Goede ep = xfer->packet.ep; 2000f1ae32a1SGerd Hoffmann } else { 20013d139684SGerd Hoffmann if (!xfer->iso_xfer) { 2002f1ae32a1SGerd Hoffmann fprintf(stderr, "xhci: error firing data transfer\n"); 2003f1ae32a1SGerd Hoffmann } 2004f1ae32a1SGerd Hoffmann } 20053d139684SGerd Hoffmann } 2006f1ae32a1SGerd Hoffmann 2007f1ae32a1SGerd Hoffmann if (epctx->state == EP_HALTED) { 2008f1ae32a1SGerd Hoffmann break; 2009f1ae32a1SGerd Hoffmann } 2010f1ae32a1SGerd Hoffmann if (xfer->running_retry) { 2011f1ae32a1SGerd Hoffmann DPRINTF("xhci: xfer nacked, stopping schedule\n"); 2012f1ae32a1SGerd Hoffmann epctx->retry = xfer; 2013f1ae32a1SGerd Hoffmann break; 2014f1ae32a1SGerd Hoffmann } 2015f1ae32a1SGerd Hoffmann } 201636dfe324SHans de Goede if (ep) { 201736dfe324SHans de Goede usb_device_flush_ep_queue(ep->dev, ep); 201836dfe324SHans de Goede } 2019f1ae32a1SGerd Hoffmann } 2020f1ae32a1SGerd Hoffmann 2021f1ae32a1SGerd Hoffmann static TRBCCode xhci_enable_slot(XHCIState *xhci, unsigned int slotid) 2022f1ae32a1SGerd Hoffmann { 2023348f1037SGerd Hoffmann trace_usb_xhci_slot_enable(slotid); 202491062ae0SGerd Hoffmann assert(slotid >= 1 && slotid <= xhci->numslots); 2025f1ae32a1SGerd Hoffmann xhci->slots[slotid-1].enabled = 1; 2026ccaf87a0SGerd Hoffmann xhci->slots[slotid-1].uport = NULL; 2027f1ae32a1SGerd Hoffmann memset(xhci->slots[slotid-1].eps, 0, sizeof(XHCIEPContext*)*31); 2028f1ae32a1SGerd Hoffmann 2029f1ae32a1SGerd Hoffmann return CC_SUCCESS; 2030f1ae32a1SGerd Hoffmann } 2031f1ae32a1SGerd Hoffmann 2032f1ae32a1SGerd Hoffmann static TRBCCode xhci_disable_slot(XHCIState *xhci, unsigned int slotid) 2033f1ae32a1SGerd Hoffmann { 2034f1ae32a1SGerd Hoffmann int i; 2035f1ae32a1SGerd Hoffmann 2036348f1037SGerd Hoffmann trace_usb_xhci_slot_disable(slotid); 203791062ae0SGerd Hoffmann assert(slotid >= 1 && slotid <= xhci->numslots); 2038f1ae32a1SGerd Hoffmann 2039f1ae32a1SGerd Hoffmann for (i = 1; i <= 31; i++) { 2040f1ae32a1SGerd Hoffmann if (xhci->slots[slotid-1].eps[i-1]) { 2041f1ae32a1SGerd Hoffmann xhci_disable_ep(xhci, slotid, i); 2042f1ae32a1SGerd Hoffmann } 2043f1ae32a1SGerd Hoffmann } 2044f1ae32a1SGerd Hoffmann 2045f1ae32a1SGerd Hoffmann xhci->slots[slotid-1].enabled = 0; 2046f1ae32a1SGerd Hoffmann return CC_SUCCESS; 2047f1ae32a1SGerd Hoffmann } 2048f1ae32a1SGerd Hoffmann 2049ccaf87a0SGerd Hoffmann static USBPort *xhci_lookup_uport(XHCIState *xhci, uint32_t *slot_ctx) 2050ccaf87a0SGerd Hoffmann { 2051ccaf87a0SGerd Hoffmann USBPort *uport; 2052ccaf87a0SGerd Hoffmann char path[32]; 2053ccaf87a0SGerd Hoffmann int i, pos, port; 2054ccaf87a0SGerd Hoffmann 2055ccaf87a0SGerd Hoffmann port = (slot_ctx[1]>>16) & 0xFF; 2056ccaf87a0SGerd Hoffmann port = xhci->ports[port-1].uport->index+1; 2057ccaf87a0SGerd Hoffmann pos = snprintf(path, sizeof(path), "%d", port); 2058ccaf87a0SGerd Hoffmann for (i = 0; i < 5; i++) { 2059ccaf87a0SGerd Hoffmann port = (slot_ctx[0] >> 4*i) & 0x0f; 2060ccaf87a0SGerd Hoffmann if (!port) { 2061ccaf87a0SGerd Hoffmann break; 2062ccaf87a0SGerd Hoffmann } 2063ccaf87a0SGerd Hoffmann pos += snprintf(path + pos, sizeof(path) - pos, ".%d", port); 2064ccaf87a0SGerd Hoffmann } 2065ccaf87a0SGerd Hoffmann 2066ccaf87a0SGerd Hoffmann QTAILQ_FOREACH(uport, &xhci->bus.used, next) { 2067ccaf87a0SGerd Hoffmann if (strcmp(uport->path, path) == 0) { 2068ccaf87a0SGerd Hoffmann return uport; 2069ccaf87a0SGerd Hoffmann } 2070ccaf87a0SGerd Hoffmann } 2071ccaf87a0SGerd Hoffmann return NULL; 2072ccaf87a0SGerd Hoffmann } 2073ccaf87a0SGerd Hoffmann 2074f1ae32a1SGerd Hoffmann static TRBCCode xhci_address_slot(XHCIState *xhci, unsigned int slotid, 2075f1ae32a1SGerd Hoffmann uint64_t pictx, bool bsr) 2076f1ae32a1SGerd Hoffmann { 2077f1ae32a1SGerd Hoffmann XHCISlot *slot; 2078ccaf87a0SGerd Hoffmann USBPort *uport; 2079f1ae32a1SGerd Hoffmann USBDevice *dev; 208059a70ccdSDavid Gibson dma_addr_t ictx, octx, dcbaap; 2081f1ae32a1SGerd Hoffmann uint64_t poctx; 2082f1ae32a1SGerd Hoffmann uint32_t ictl_ctx[2]; 2083f1ae32a1SGerd Hoffmann uint32_t slot_ctx[4]; 2084f1ae32a1SGerd Hoffmann uint32_t ep0_ctx[5]; 2085f1ae32a1SGerd Hoffmann int i; 2086f1ae32a1SGerd Hoffmann TRBCCode res; 2087f1ae32a1SGerd Hoffmann 2088348f1037SGerd Hoffmann trace_usb_xhci_slot_address(slotid); 208991062ae0SGerd Hoffmann assert(slotid >= 1 && slotid <= xhci->numslots); 2090f1ae32a1SGerd Hoffmann 2091f1ae32a1SGerd Hoffmann dcbaap = xhci_addr64(xhci->dcbaap_low, xhci->dcbaap_high); 2092616b5d53SDavid Gibson poctx = ldq_le_pci_dma(&xhci->pci_dev, dcbaap + 8*slotid); 2093f1ae32a1SGerd Hoffmann ictx = xhci_mask64(pictx); 2094616b5d53SDavid Gibson octx = xhci_mask64(poctx); 2095f1ae32a1SGerd Hoffmann 209659a70ccdSDavid Gibson DPRINTF("xhci: input context at "DMA_ADDR_FMT"\n", ictx); 209759a70ccdSDavid Gibson DPRINTF("xhci: output context at "DMA_ADDR_FMT"\n", octx); 2098f1ae32a1SGerd Hoffmann 2099616b5d53SDavid Gibson xhci_dma_read_u32s(xhci, ictx, ictl_ctx, sizeof(ictl_ctx)); 2100f1ae32a1SGerd Hoffmann 2101f1ae32a1SGerd Hoffmann if (ictl_ctx[0] != 0x0 || ictl_ctx[1] != 0x3) { 2102f1ae32a1SGerd Hoffmann fprintf(stderr, "xhci: invalid input context control %08x %08x\n", 2103f1ae32a1SGerd Hoffmann ictl_ctx[0], ictl_ctx[1]); 2104f1ae32a1SGerd Hoffmann return CC_TRB_ERROR; 2105f1ae32a1SGerd Hoffmann } 2106f1ae32a1SGerd Hoffmann 2107616b5d53SDavid Gibson xhci_dma_read_u32s(xhci, ictx+32, slot_ctx, sizeof(slot_ctx)); 2108616b5d53SDavid Gibson xhci_dma_read_u32s(xhci, ictx+64, ep0_ctx, sizeof(ep0_ctx)); 2109f1ae32a1SGerd Hoffmann 2110f1ae32a1SGerd Hoffmann DPRINTF("xhci: input slot context: %08x %08x %08x %08x\n", 2111f1ae32a1SGerd Hoffmann slot_ctx[0], slot_ctx[1], slot_ctx[2], slot_ctx[3]); 2112f1ae32a1SGerd Hoffmann 2113f1ae32a1SGerd Hoffmann DPRINTF("xhci: input ep0 context: %08x %08x %08x %08x %08x\n", 2114f1ae32a1SGerd Hoffmann ep0_ctx[0], ep0_ctx[1], ep0_ctx[2], ep0_ctx[3], ep0_ctx[4]); 2115f1ae32a1SGerd Hoffmann 2116ccaf87a0SGerd Hoffmann uport = xhci_lookup_uport(xhci, slot_ctx); 2117ccaf87a0SGerd Hoffmann if (uport == NULL) { 2118ccaf87a0SGerd Hoffmann fprintf(stderr, "xhci: port not found\n"); 2119f1ae32a1SGerd Hoffmann return CC_TRB_ERROR; 2120ccaf87a0SGerd Hoffmann } 2121ccaf87a0SGerd Hoffmann 2122ccaf87a0SGerd Hoffmann dev = uport->dev; 2123ccaf87a0SGerd Hoffmann if (!dev) { 2124ccaf87a0SGerd Hoffmann fprintf(stderr, "xhci: port %s not connected\n", uport->path); 2125f1ae32a1SGerd Hoffmann return CC_USB_TRANSACTION_ERROR; 2126f1ae32a1SGerd Hoffmann } 2127f1ae32a1SGerd Hoffmann 212891062ae0SGerd Hoffmann for (i = 0; i < xhci->numslots; i++) { 21290bc85da6SGerd Hoffmann if (i == slotid-1) { 21300bc85da6SGerd Hoffmann continue; 21310bc85da6SGerd Hoffmann } 2132ccaf87a0SGerd Hoffmann if (xhci->slots[i].uport == uport) { 2133ccaf87a0SGerd Hoffmann fprintf(stderr, "xhci: port %s already assigned to slot %d\n", 2134ccaf87a0SGerd Hoffmann uport->path, i+1); 2135f1ae32a1SGerd Hoffmann return CC_TRB_ERROR; 2136f1ae32a1SGerd Hoffmann } 2137f1ae32a1SGerd Hoffmann } 2138f1ae32a1SGerd Hoffmann 2139f1ae32a1SGerd Hoffmann slot = &xhci->slots[slotid-1]; 2140ccaf87a0SGerd Hoffmann slot->uport = uport; 2141f1ae32a1SGerd Hoffmann slot->ctx = octx; 2142f1ae32a1SGerd Hoffmann 2143f1ae32a1SGerd Hoffmann if (bsr) { 2144f1ae32a1SGerd Hoffmann slot_ctx[3] = SLOT_DEFAULT << SLOT_STATE_SHIFT; 2145f1ae32a1SGerd Hoffmann } else { 2146a820b575SGerd Hoffmann USBPacket p; 2147f1ae32a1SGerd Hoffmann slot->devaddr = xhci->devaddr++; 2148f1ae32a1SGerd Hoffmann slot_ctx[3] = (SLOT_ADDRESSED << SLOT_STATE_SHIFT) | slot->devaddr; 2149f1ae32a1SGerd Hoffmann DPRINTF("xhci: device address is %d\n", slot->devaddr); 21500bc85da6SGerd Hoffmann usb_device_reset(dev); 2151a820b575SGerd Hoffmann usb_packet_setup(&p, USB_TOKEN_OUT, 21528550a02dSGerd Hoffmann usb_ep_get(dev, USB_TOKEN_OUT, 0), 0, 2153a820b575SGerd Hoffmann 0, false, false); 2154a820b575SGerd Hoffmann usb_device_handle_control(dev, &p, 2155f1ae32a1SGerd Hoffmann DeviceOutRequest | USB_REQ_SET_ADDRESS, 2156f1ae32a1SGerd Hoffmann slot->devaddr, 0, 0, NULL); 2157a820b575SGerd Hoffmann assert(p.status != USB_RET_ASYNC); 2158f1ae32a1SGerd Hoffmann } 2159f1ae32a1SGerd Hoffmann 2160f1ae32a1SGerd Hoffmann res = xhci_enable_ep(xhci, slotid, 1, octx+32, ep0_ctx); 2161f1ae32a1SGerd Hoffmann 2162f1ae32a1SGerd Hoffmann DPRINTF("xhci: output slot context: %08x %08x %08x %08x\n", 2163f1ae32a1SGerd Hoffmann slot_ctx[0], slot_ctx[1], slot_ctx[2], slot_ctx[3]); 2164f1ae32a1SGerd Hoffmann DPRINTF("xhci: output ep0 context: %08x %08x %08x %08x %08x\n", 2165f1ae32a1SGerd Hoffmann ep0_ctx[0], ep0_ctx[1], ep0_ctx[2], ep0_ctx[3], ep0_ctx[4]); 2166f1ae32a1SGerd Hoffmann 2167616b5d53SDavid Gibson xhci_dma_write_u32s(xhci, octx, slot_ctx, sizeof(slot_ctx)); 2168616b5d53SDavid Gibson xhci_dma_write_u32s(xhci, octx+32, ep0_ctx, sizeof(ep0_ctx)); 2169f1ae32a1SGerd Hoffmann 2170f1ae32a1SGerd Hoffmann return res; 2171f1ae32a1SGerd Hoffmann } 2172f1ae32a1SGerd Hoffmann 2173f1ae32a1SGerd Hoffmann 2174f1ae32a1SGerd Hoffmann static TRBCCode xhci_configure_slot(XHCIState *xhci, unsigned int slotid, 2175f1ae32a1SGerd Hoffmann uint64_t pictx, bool dc) 2176f1ae32a1SGerd Hoffmann { 217759a70ccdSDavid Gibson dma_addr_t ictx, octx; 2178f1ae32a1SGerd Hoffmann uint32_t ictl_ctx[2]; 2179f1ae32a1SGerd Hoffmann uint32_t slot_ctx[4]; 2180f1ae32a1SGerd Hoffmann uint32_t islot_ctx[4]; 2181f1ae32a1SGerd Hoffmann uint32_t ep_ctx[5]; 2182f1ae32a1SGerd Hoffmann int i; 2183f1ae32a1SGerd Hoffmann TRBCCode res; 2184f1ae32a1SGerd Hoffmann 2185348f1037SGerd Hoffmann trace_usb_xhci_slot_configure(slotid); 218691062ae0SGerd Hoffmann assert(slotid >= 1 && slotid <= xhci->numslots); 2187f1ae32a1SGerd Hoffmann 2188f1ae32a1SGerd Hoffmann ictx = xhci_mask64(pictx); 2189f1ae32a1SGerd Hoffmann octx = xhci->slots[slotid-1].ctx; 2190f1ae32a1SGerd Hoffmann 219159a70ccdSDavid Gibson DPRINTF("xhci: input context at "DMA_ADDR_FMT"\n", ictx); 219259a70ccdSDavid Gibson DPRINTF("xhci: output context at "DMA_ADDR_FMT"\n", octx); 2193f1ae32a1SGerd Hoffmann 2194f1ae32a1SGerd Hoffmann if (dc) { 2195f1ae32a1SGerd Hoffmann for (i = 2; i <= 31; i++) { 2196f1ae32a1SGerd Hoffmann if (xhci->slots[slotid-1].eps[i-1]) { 2197f1ae32a1SGerd Hoffmann xhci_disable_ep(xhci, slotid, i); 2198f1ae32a1SGerd Hoffmann } 2199f1ae32a1SGerd Hoffmann } 2200f1ae32a1SGerd Hoffmann 2201616b5d53SDavid Gibson xhci_dma_read_u32s(xhci, octx, slot_ctx, sizeof(slot_ctx)); 2202f1ae32a1SGerd Hoffmann slot_ctx[3] &= ~(SLOT_STATE_MASK << SLOT_STATE_SHIFT); 2203f1ae32a1SGerd Hoffmann slot_ctx[3] |= SLOT_ADDRESSED << SLOT_STATE_SHIFT; 2204f1ae32a1SGerd Hoffmann DPRINTF("xhci: output slot context: %08x %08x %08x %08x\n", 2205f1ae32a1SGerd Hoffmann slot_ctx[0], slot_ctx[1], slot_ctx[2], slot_ctx[3]); 2206616b5d53SDavid Gibson xhci_dma_write_u32s(xhci, octx, slot_ctx, sizeof(slot_ctx)); 2207f1ae32a1SGerd Hoffmann 2208f1ae32a1SGerd Hoffmann return CC_SUCCESS; 2209f1ae32a1SGerd Hoffmann } 2210f1ae32a1SGerd Hoffmann 2211616b5d53SDavid Gibson xhci_dma_read_u32s(xhci, ictx, ictl_ctx, sizeof(ictl_ctx)); 2212f1ae32a1SGerd Hoffmann 2213f1ae32a1SGerd Hoffmann if ((ictl_ctx[0] & 0x3) != 0x0 || (ictl_ctx[1] & 0x3) != 0x1) { 2214f1ae32a1SGerd Hoffmann fprintf(stderr, "xhci: invalid input context control %08x %08x\n", 2215f1ae32a1SGerd Hoffmann ictl_ctx[0], ictl_ctx[1]); 2216f1ae32a1SGerd Hoffmann return CC_TRB_ERROR; 2217f1ae32a1SGerd Hoffmann } 2218f1ae32a1SGerd Hoffmann 2219616b5d53SDavid Gibson xhci_dma_read_u32s(xhci, ictx+32, islot_ctx, sizeof(islot_ctx)); 2220616b5d53SDavid Gibson xhci_dma_read_u32s(xhci, octx, slot_ctx, sizeof(slot_ctx)); 2221f1ae32a1SGerd Hoffmann 2222f1ae32a1SGerd Hoffmann if (SLOT_STATE(slot_ctx[3]) < SLOT_ADDRESSED) { 2223f1ae32a1SGerd Hoffmann fprintf(stderr, "xhci: invalid slot state %08x\n", slot_ctx[3]); 2224f1ae32a1SGerd Hoffmann return CC_CONTEXT_STATE_ERROR; 2225f1ae32a1SGerd Hoffmann } 2226f1ae32a1SGerd Hoffmann 2227f1ae32a1SGerd Hoffmann for (i = 2; i <= 31; i++) { 2228f1ae32a1SGerd Hoffmann if (ictl_ctx[0] & (1<<i)) { 2229f1ae32a1SGerd Hoffmann xhci_disable_ep(xhci, slotid, i); 2230f1ae32a1SGerd Hoffmann } 2231f1ae32a1SGerd Hoffmann if (ictl_ctx[1] & (1<<i)) { 2232616b5d53SDavid Gibson xhci_dma_read_u32s(xhci, ictx+32+(32*i), ep_ctx, sizeof(ep_ctx)); 2233f1ae32a1SGerd Hoffmann DPRINTF("xhci: input ep%d.%d context: %08x %08x %08x %08x %08x\n", 2234f1ae32a1SGerd Hoffmann i/2, i%2, ep_ctx[0], ep_ctx[1], ep_ctx[2], 2235f1ae32a1SGerd Hoffmann ep_ctx[3], ep_ctx[4]); 2236f1ae32a1SGerd Hoffmann xhci_disable_ep(xhci, slotid, i); 2237f1ae32a1SGerd Hoffmann res = xhci_enable_ep(xhci, slotid, i, octx+(32*i), ep_ctx); 2238f1ae32a1SGerd Hoffmann if (res != CC_SUCCESS) { 2239f1ae32a1SGerd Hoffmann return res; 2240f1ae32a1SGerd Hoffmann } 2241f1ae32a1SGerd Hoffmann DPRINTF("xhci: output ep%d.%d context: %08x %08x %08x %08x %08x\n", 2242f1ae32a1SGerd Hoffmann i/2, i%2, ep_ctx[0], ep_ctx[1], ep_ctx[2], 2243f1ae32a1SGerd Hoffmann ep_ctx[3], ep_ctx[4]); 2244616b5d53SDavid Gibson xhci_dma_write_u32s(xhci, octx+(32*i), ep_ctx, sizeof(ep_ctx)); 2245f1ae32a1SGerd Hoffmann } 2246f1ae32a1SGerd Hoffmann } 2247f1ae32a1SGerd Hoffmann 2248f1ae32a1SGerd Hoffmann slot_ctx[3] &= ~(SLOT_STATE_MASK << SLOT_STATE_SHIFT); 2249f1ae32a1SGerd Hoffmann slot_ctx[3] |= SLOT_CONFIGURED << SLOT_STATE_SHIFT; 2250f1ae32a1SGerd Hoffmann slot_ctx[0] &= ~(SLOT_CONTEXT_ENTRIES_MASK << SLOT_CONTEXT_ENTRIES_SHIFT); 2251f1ae32a1SGerd Hoffmann slot_ctx[0] |= islot_ctx[0] & (SLOT_CONTEXT_ENTRIES_MASK << 2252f1ae32a1SGerd Hoffmann SLOT_CONTEXT_ENTRIES_SHIFT); 2253f1ae32a1SGerd Hoffmann DPRINTF("xhci: output slot context: %08x %08x %08x %08x\n", 2254f1ae32a1SGerd Hoffmann slot_ctx[0], slot_ctx[1], slot_ctx[2], slot_ctx[3]); 2255f1ae32a1SGerd Hoffmann 2256616b5d53SDavid Gibson xhci_dma_write_u32s(xhci, octx, slot_ctx, sizeof(slot_ctx)); 2257f1ae32a1SGerd Hoffmann 2258f1ae32a1SGerd Hoffmann return CC_SUCCESS; 2259f1ae32a1SGerd Hoffmann } 2260f1ae32a1SGerd Hoffmann 2261f1ae32a1SGerd Hoffmann 2262f1ae32a1SGerd Hoffmann static TRBCCode xhci_evaluate_slot(XHCIState *xhci, unsigned int slotid, 2263f1ae32a1SGerd Hoffmann uint64_t pictx) 2264f1ae32a1SGerd Hoffmann { 226559a70ccdSDavid Gibson dma_addr_t ictx, octx; 2266f1ae32a1SGerd Hoffmann uint32_t ictl_ctx[2]; 2267f1ae32a1SGerd Hoffmann uint32_t iep0_ctx[5]; 2268f1ae32a1SGerd Hoffmann uint32_t ep0_ctx[5]; 2269f1ae32a1SGerd Hoffmann uint32_t islot_ctx[4]; 2270f1ae32a1SGerd Hoffmann uint32_t slot_ctx[4]; 2271f1ae32a1SGerd Hoffmann 2272348f1037SGerd Hoffmann trace_usb_xhci_slot_evaluate(slotid); 227391062ae0SGerd Hoffmann assert(slotid >= 1 && slotid <= xhci->numslots); 2274f1ae32a1SGerd Hoffmann 2275f1ae32a1SGerd Hoffmann ictx = xhci_mask64(pictx); 2276f1ae32a1SGerd Hoffmann octx = xhci->slots[slotid-1].ctx; 2277f1ae32a1SGerd Hoffmann 227859a70ccdSDavid Gibson DPRINTF("xhci: input context at "DMA_ADDR_FMT"\n", ictx); 227959a70ccdSDavid Gibson DPRINTF("xhci: output context at "DMA_ADDR_FMT"\n", octx); 2280f1ae32a1SGerd Hoffmann 2281616b5d53SDavid Gibson xhci_dma_read_u32s(xhci, ictx, ictl_ctx, sizeof(ictl_ctx)); 2282f1ae32a1SGerd Hoffmann 2283f1ae32a1SGerd Hoffmann if (ictl_ctx[0] != 0x0 || ictl_ctx[1] & ~0x3) { 2284f1ae32a1SGerd Hoffmann fprintf(stderr, "xhci: invalid input context control %08x %08x\n", 2285f1ae32a1SGerd Hoffmann ictl_ctx[0], ictl_ctx[1]); 2286f1ae32a1SGerd Hoffmann return CC_TRB_ERROR; 2287f1ae32a1SGerd Hoffmann } 2288f1ae32a1SGerd Hoffmann 2289f1ae32a1SGerd Hoffmann if (ictl_ctx[1] & 0x1) { 2290616b5d53SDavid Gibson xhci_dma_read_u32s(xhci, ictx+32, islot_ctx, sizeof(islot_ctx)); 2291f1ae32a1SGerd Hoffmann 2292f1ae32a1SGerd Hoffmann DPRINTF("xhci: input slot context: %08x %08x %08x %08x\n", 2293f1ae32a1SGerd Hoffmann islot_ctx[0], islot_ctx[1], islot_ctx[2], islot_ctx[3]); 2294f1ae32a1SGerd Hoffmann 2295616b5d53SDavid Gibson xhci_dma_read_u32s(xhci, octx, slot_ctx, sizeof(slot_ctx)); 2296f1ae32a1SGerd Hoffmann 2297f1ae32a1SGerd Hoffmann slot_ctx[1] &= ~0xFFFF; /* max exit latency */ 2298f1ae32a1SGerd Hoffmann slot_ctx[1] |= islot_ctx[1] & 0xFFFF; 2299f1ae32a1SGerd Hoffmann slot_ctx[2] &= ~0xFF00000; /* interrupter target */ 2300f1ae32a1SGerd Hoffmann slot_ctx[2] |= islot_ctx[2] & 0xFF000000; 2301f1ae32a1SGerd Hoffmann 2302f1ae32a1SGerd Hoffmann DPRINTF("xhci: output slot context: %08x %08x %08x %08x\n", 2303f1ae32a1SGerd Hoffmann slot_ctx[0], slot_ctx[1], slot_ctx[2], slot_ctx[3]); 2304f1ae32a1SGerd Hoffmann 2305616b5d53SDavid Gibson xhci_dma_write_u32s(xhci, octx, slot_ctx, sizeof(slot_ctx)); 2306f1ae32a1SGerd Hoffmann } 2307f1ae32a1SGerd Hoffmann 2308f1ae32a1SGerd Hoffmann if (ictl_ctx[1] & 0x2) { 2309616b5d53SDavid Gibson xhci_dma_read_u32s(xhci, ictx+64, iep0_ctx, sizeof(iep0_ctx)); 2310f1ae32a1SGerd Hoffmann 2311f1ae32a1SGerd Hoffmann DPRINTF("xhci: input ep0 context: %08x %08x %08x %08x %08x\n", 2312f1ae32a1SGerd Hoffmann iep0_ctx[0], iep0_ctx[1], iep0_ctx[2], 2313f1ae32a1SGerd Hoffmann iep0_ctx[3], iep0_ctx[4]); 2314f1ae32a1SGerd Hoffmann 2315616b5d53SDavid Gibson xhci_dma_read_u32s(xhci, octx+32, ep0_ctx, sizeof(ep0_ctx)); 2316f1ae32a1SGerd Hoffmann 2317f1ae32a1SGerd Hoffmann ep0_ctx[1] &= ~0xFFFF0000; /* max packet size*/ 2318f1ae32a1SGerd Hoffmann ep0_ctx[1] |= iep0_ctx[1] & 0xFFFF0000; 2319f1ae32a1SGerd Hoffmann 2320f1ae32a1SGerd Hoffmann DPRINTF("xhci: output ep0 context: %08x %08x %08x %08x %08x\n", 2321f1ae32a1SGerd Hoffmann ep0_ctx[0], ep0_ctx[1], ep0_ctx[2], ep0_ctx[3], ep0_ctx[4]); 2322f1ae32a1SGerd Hoffmann 2323616b5d53SDavid Gibson xhci_dma_write_u32s(xhci, octx+32, ep0_ctx, sizeof(ep0_ctx)); 2324f1ae32a1SGerd Hoffmann } 2325f1ae32a1SGerd Hoffmann 2326f1ae32a1SGerd Hoffmann return CC_SUCCESS; 2327f1ae32a1SGerd Hoffmann } 2328f1ae32a1SGerd Hoffmann 2329f1ae32a1SGerd Hoffmann static TRBCCode xhci_reset_slot(XHCIState *xhci, unsigned int slotid) 2330f1ae32a1SGerd Hoffmann { 2331f1ae32a1SGerd Hoffmann uint32_t slot_ctx[4]; 233259a70ccdSDavid Gibson dma_addr_t octx; 2333f1ae32a1SGerd Hoffmann int i; 2334f1ae32a1SGerd Hoffmann 2335348f1037SGerd Hoffmann trace_usb_xhci_slot_reset(slotid); 233691062ae0SGerd Hoffmann assert(slotid >= 1 && slotid <= xhci->numslots); 2337f1ae32a1SGerd Hoffmann 2338f1ae32a1SGerd Hoffmann octx = xhci->slots[slotid-1].ctx; 2339f1ae32a1SGerd Hoffmann 234059a70ccdSDavid Gibson DPRINTF("xhci: output context at "DMA_ADDR_FMT"\n", octx); 2341f1ae32a1SGerd Hoffmann 2342f1ae32a1SGerd Hoffmann for (i = 2; i <= 31; i++) { 2343f1ae32a1SGerd Hoffmann if (xhci->slots[slotid-1].eps[i-1]) { 2344f1ae32a1SGerd Hoffmann xhci_disable_ep(xhci, slotid, i); 2345f1ae32a1SGerd Hoffmann } 2346f1ae32a1SGerd Hoffmann } 2347f1ae32a1SGerd Hoffmann 2348616b5d53SDavid Gibson xhci_dma_read_u32s(xhci, octx, slot_ctx, sizeof(slot_ctx)); 2349f1ae32a1SGerd Hoffmann slot_ctx[3] &= ~(SLOT_STATE_MASK << SLOT_STATE_SHIFT); 2350f1ae32a1SGerd Hoffmann slot_ctx[3] |= SLOT_DEFAULT << SLOT_STATE_SHIFT; 2351f1ae32a1SGerd Hoffmann DPRINTF("xhci: output slot context: %08x %08x %08x %08x\n", 2352f1ae32a1SGerd Hoffmann slot_ctx[0], slot_ctx[1], slot_ctx[2], slot_ctx[3]); 2353616b5d53SDavid Gibson xhci_dma_write_u32s(xhci, octx, slot_ctx, sizeof(slot_ctx)); 2354f1ae32a1SGerd Hoffmann 2355f1ae32a1SGerd Hoffmann return CC_SUCCESS; 2356f1ae32a1SGerd Hoffmann } 2357f1ae32a1SGerd Hoffmann 2358f1ae32a1SGerd Hoffmann static unsigned int xhci_get_slot(XHCIState *xhci, XHCIEvent *event, XHCITRB *trb) 2359f1ae32a1SGerd Hoffmann { 2360f1ae32a1SGerd Hoffmann unsigned int slotid; 2361f1ae32a1SGerd Hoffmann slotid = (trb->control >> TRB_CR_SLOTID_SHIFT) & TRB_CR_SLOTID_MASK; 236291062ae0SGerd Hoffmann if (slotid < 1 || slotid > xhci->numslots) { 2363f1ae32a1SGerd Hoffmann fprintf(stderr, "xhci: bad slot id %d\n", slotid); 2364f1ae32a1SGerd Hoffmann event->ccode = CC_TRB_ERROR; 2365f1ae32a1SGerd Hoffmann return 0; 2366f1ae32a1SGerd Hoffmann } else if (!xhci->slots[slotid-1].enabled) { 2367f1ae32a1SGerd Hoffmann fprintf(stderr, "xhci: slot id %d not enabled\n", slotid); 2368f1ae32a1SGerd Hoffmann event->ccode = CC_SLOT_NOT_ENABLED_ERROR; 2369f1ae32a1SGerd Hoffmann return 0; 2370f1ae32a1SGerd Hoffmann } 2371f1ae32a1SGerd Hoffmann return slotid; 2372f1ae32a1SGerd Hoffmann } 2373f1ae32a1SGerd Hoffmann 237481251841SGerd Hoffmann /* cleanup slot state on usb device detach */ 237581251841SGerd Hoffmann static void xhci_detach_slot(XHCIState *xhci, USBPort *uport) 237681251841SGerd Hoffmann { 23770cb41e2cSGerd Hoffmann int slot, ep; 237881251841SGerd Hoffmann 237981251841SGerd Hoffmann for (slot = 0; slot < xhci->numslots; slot++) { 238081251841SGerd Hoffmann if (xhci->slots[slot].uport == uport) { 238181251841SGerd Hoffmann break; 238281251841SGerd Hoffmann } 238381251841SGerd Hoffmann } 238481251841SGerd Hoffmann if (slot == xhci->numslots) { 238581251841SGerd Hoffmann return; 238681251841SGerd Hoffmann } 238781251841SGerd Hoffmann 23880cb41e2cSGerd Hoffmann for (ep = 0; ep < 31; ep++) { 23890cb41e2cSGerd Hoffmann if (xhci->slots[slot].eps[ep]) { 23900cb41e2cSGerd Hoffmann xhci_ep_nuke_xfers(xhci, slot+1, ep+1); 23910cb41e2cSGerd Hoffmann } 23920cb41e2cSGerd Hoffmann } 239381251841SGerd Hoffmann xhci->slots[slot].uport = NULL; 239481251841SGerd Hoffmann } 239581251841SGerd Hoffmann 2396f1ae32a1SGerd Hoffmann static TRBCCode xhci_get_port_bandwidth(XHCIState *xhci, uint64_t pctx) 2397f1ae32a1SGerd Hoffmann { 239859a70ccdSDavid Gibson dma_addr_t ctx; 23990846e635SGerd Hoffmann uint8_t bw_ctx[xhci->numports+1]; 2400f1ae32a1SGerd Hoffmann 2401f1ae32a1SGerd Hoffmann DPRINTF("xhci_get_port_bandwidth()\n"); 2402f1ae32a1SGerd Hoffmann 2403f1ae32a1SGerd Hoffmann ctx = xhci_mask64(pctx); 2404f1ae32a1SGerd Hoffmann 240559a70ccdSDavid Gibson DPRINTF("xhci: bandwidth context at "DMA_ADDR_FMT"\n", ctx); 2406f1ae32a1SGerd Hoffmann 2407f1ae32a1SGerd Hoffmann /* TODO: actually implement real values here */ 2408f1ae32a1SGerd Hoffmann bw_ctx[0] = 0; 24090846e635SGerd Hoffmann memset(&bw_ctx[1], 80, xhci->numports); /* 80% */ 241059a70ccdSDavid Gibson pci_dma_write(&xhci->pci_dev, ctx, bw_ctx, sizeof(bw_ctx)); 2411f1ae32a1SGerd Hoffmann 2412f1ae32a1SGerd Hoffmann return CC_SUCCESS; 2413f1ae32a1SGerd Hoffmann } 2414f1ae32a1SGerd Hoffmann 2415f1ae32a1SGerd Hoffmann static uint32_t rotl(uint32_t v, unsigned count) 2416f1ae32a1SGerd Hoffmann { 2417f1ae32a1SGerd Hoffmann count &= 31; 2418f1ae32a1SGerd Hoffmann return (v << count) | (v >> (32 - count)); 2419f1ae32a1SGerd Hoffmann } 2420f1ae32a1SGerd Hoffmann 2421f1ae32a1SGerd Hoffmann 2422f1ae32a1SGerd Hoffmann static uint32_t xhci_nec_challenge(uint32_t hi, uint32_t lo) 2423f1ae32a1SGerd Hoffmann { 2424f1ae32a1SGerd Hoffmann uint32_t val; 2425f1ae32a1SGerd Hoffmann val = rotl(lo - 0x49434878, 32 - ((hi>>8) & 0x1F)); 2426f1ae32a1SGerd Hoffmann val += rotl(lo + 0x49434878, hi & 0x1F); 2427f1ae32a1SGerd Hoffmann val -= rotl(hi ^ 0x49434878, (lo >> 16) & 0x1F); 2428f1ae32a1SGerd Hoffmann return ~val; 2429f1ae32a1SGerd Hoffmann } 2430f1ae32a1SGerd Hoffmann 243159a70ccdSDavid Gibson static void xhci_via_challenge(XHCIState *xhci, uint64_t addr) 2432f1ae32a1SGerd Hoffmann { 2433f1ae32a1SGerd Hoffmann uint32_t buf[8]; 2434f1ae32a1SGerd Hoffmann uint32_t obuf[8]; 243559a70ccdSDavid Gibson dma_addr_t paddr = xhci_mask64(addr); 2436f1ae32a1SGerd Hoffmann 243759a70ccdSDavid Gibson pci_dma_read(&xhci->pci_dev, paddr, &buf, 32); 2438f1ae32a1SGerd Hoffmann 2439f1ae32a1SGerd Hoffmann memcpy(obuf, buf, sizeof(obuf)); 2440f1ae32a1SGerd Hoffmann 2441f1ae32a1SGerd Hoffmann if ((buf[0] & 0xff) == 2) { 2442f1ae32a1SGerd Hoffmann obuf[0] = 0x49932000 + 0x54dc200 * buf[2] + 0x7429b578 * buf[3]; 2443f1ae32a1SGerd Hoffmann obuf[0] |= (buf[2] * buf[3]) & 0xff; 2444f1ae32a1SGerd Hoffmann obuf[1] = 0x0132bb37 + 0xe89 * buf[2] + 0xf09 * buf[3]; 2445f1ae32a1SGerd Hoffmann obuf[2] = 0x0066c2e9 + 0x2091 * buf[2] + 0x19bd * buf[3]; 2446f1ae32a1SGerd Hoffmann obuf[3] = 0xd5281342 + 0x2cc9691 * buf[2] + 0x2367662 * buf[3]; 2447f1ae32a1SGerd Hoffmann obuf[4] = 0x0123c75c + 0x1595 * buf[2] + 0x19ec * buf[3]; 2448f1ae32a1SGerd Hoffmann obuf[5] = 0x00f695de + 0x26fd * buf[2] + 0x3e9 * buf[3]; 2449f1ae32a1SGerd Hoffmann obuf[6] = obuf[2] ^ obuf[3] ^ 0x29472956; 2450f1ae32a1SGerd Hoffmann obuf[7] = obuf[2] ^ obuf[3] ^ 0x65866593; 2451f1ae32a1SGerd Hoffmann } 2452f1ae32a1SGerd Hoffmann 245359a70ccdSDavid Gibson pci_dma_write(&xhci->pci_dev, paddr, &obuf, 32); 2454f1ae32a1SGerd Hoffmann } 2455f1ae32a1SGerd Hoffmann 2456f1ae32a1SGerd Hoffmann static void xhci_process_commands(XHCIState *xhci) 2457f1ae32a1SGerd Hoffmann { 2458f1ae32a1SGerd Hoffmann XHCITRB trb; 2459f1ae32a1SGerd Hoffmann TRBType type; 2460f1ae32a1SGerd Hoffmann XHCIEvent event = {ER_COMMAND_COMPLETE, CC_SUCCESS}; 246159a70ccdSDavid Gibson dma_addr_t addr; 2462f1ae32a1SGerd Hoffmann unsigned int i, slotid = 0; 2463f1ae32a1SGerd Hoffmann 2464f1ae32a1SGerd Hoffmann DPRINTF("xhci_process_commands()\n"); 2465f1ae32a1SGerd Hoffmann if (!xhci_running(xhci)) { 2466f1ae32a1SGerd Hoffmann DPRINTF("xhci_process_commands() called while xHC stopped or paused\n"); 2467f1ae32a1SGerd Hoffmann return; 2468f1ae32a1SGerd Hoffmann } 2469f1ae32a1SGerd Hoffmann 2470f1ae32a1SGerd Hoffmann xhci->crcr_low |= CRCR_CRR; 2471f1ae32a1SGerd Hoffmann 2472f1ae32a1SGerd Hoffmann while ((type = xhci_ring_fetch(xhci, &xhci->cmd_ring, &trb, &addr))) { 2473f1ae32a1SGerd Hoffmann event.ptr = addr; 2474f1ae32a1SGerd Hoffmann switch (type) { 2475f1ae32a1SGerd Hoffmann case CR_ENABLE_SLOT: 247691062ae0SGerd Hoffmann for (i = 0; i < xhci->numslots; i++) { 2477f1ae32a1SGerd Hoffmann if (!xhci->slots[i].enabled) { 2478f1ae32a1SGerd Hoffmann break; 2479f1ae32a1SGerd Hoffmann } 2480f1ae32a1SGerd Hoffmann } 248191062ae0SGerd Hoffmann if (i >= xhci->numslots) { 2482f1ae32a1SGerd Hoffmann fprintf(stderr, "xhci: no device slots available\n"); 2483f1ae32a1SGerd Hoffmann event.ccode = CC_NO_SLOTS_ERROR; 2484f1ae32a1SGerd Hoffmann } else { 2485f1ae32a1SGerd Hoffmann slotid = i+1; 2486f1ae32a1SGerd Hoffmann event.ccode = xhci_enable_slot(xhci, slotid); 2487f1ae32a1SGerd Hoffmann } 2488f1ae32a1SGerd Hoffmann break; 2489f1ae32a1SGerd Hoffmann case CR_DISABLE_SLOT: 2490f1ae32a1SGerd Hoffmann slotid = xhci_get_slot(xhci, &event, &trb); 2491f1ae32a1SGerd Hoffmann if (slotid) { 2492f1ae32a1SGerd Hoffmann event.ccode = xhci_disable_slot(xhci, slotid); 2493f1ae32a1SGerd Hoffmann } 2494f1ae32a1SGerd Hoffmann break; 2495f1ae32a1SGerd Hoffmann case CR_ADDRESS_DEVICE: 2496f1ae32a1SGerd Hoffmann slotid = xhci_get_slot(xhci, &event, &trb); 2497f1ae32a1SGerd Hoffmann if (slotid) { 2498f1ae32a1SGerd Hoffmann event.ccode = xhci_address_slot(xhci, slotid, trb.parameter, 2499f1ae32a1SGerd Hoffmann trb.control & TRB_CR_BSR); 2500f1ae32a1SGerd Hoffmann } 2501f1ae32a1SGerd Hoffmann break; 2502f1ae32a1SGerd Hoffmann case CR_CONFIGURE_ENDPOINT: 2503f1ae32a1SGerd Hoffmann slotid = xhci_get_slot(xhci, &event, &trb); 2504f1ae32a1SGerd Hoffmann if (slotid) { 2505f1ae32a1SGerd Hoffmann event.ccode = xhci_configure_slot(xhci, slotid, trb.parameter, 2506f1ae32a1SGerd Hoffmann trb.control & TRB_CR_DC); 2507f1ae32a1SGerd Hoffmann } 2508f1ae32a1SGerd Hoffmann break; 2509f1ae32a1SGerd Hoffmann case CR_EVALUATE_CONTEXT: 2510f1ae32a1SGerd Hoffmann slotid = xhci_get_slot(xhci, &event, &trb); 2511f1ae32a1SGerd Hoffmann if (slotid) { 2512f1ae32a1SGerd Hoffmann event.ccode = xhci_evaluate_slot(xhci, slotid, trb.parameter); 2513f1ae32a1SGerd Hoffmann } 2514f1ae32a1SGerd Hoffmann break; 2515f1ae32a1SGerd Hoffmann case CR_STOP_ENDPOINT: 2516f1ae32a1SGerd Hoffmann slotid = xhci_get_slot(xhci, &event, &trb); 2517f1ae32a1SGerd Hoffmann if (slotid) { 2518f1ae32a1SGerd Hoffmann unsigned int epid = (trb.control >> TRB_CR_EPID_SHIFT) 2519f1ae32a1SGerd Hoffmann & TRB_CR_EPID_MASK; 2520f1ae32a1SGerd Hoffmann event.ccode = xhci_stop_ep(xhci, slotid, epid); 2521f1ae32a1SGerd Hoffmann } 2522f1ae32a1SGerd Hoffmann break; 2523f1ae32a1SGerd Hoffmann case CR_RESET_ENDPOINT: 2524f1ae32a1SGerd Hoffmann slotid = xhci_get_slot(xhci, &event, &trb); 2525f1ae32a1SGerd Hoffmann if (slotid) { 2526f1ae32a1SGerd Hoffmann unsigned int epid = (trb.control >> TRB_CR_EPID_SHIFT) 2527f1ae32a1SGerd Hoffmann & TRB_CR_EPID_MASK; 2528f1ae32a1SGerd Hoffmann event.ccode = xhci_reset_ep(xhci, slotid, epid); 2529f1ae32a1SGerd Hoffmann } 2530f1ae32a1SGerd Hoffmann break; 2531f1ae32a1SGerd Hoffmann case CR_SET_TR_DEQUEUE: 2532*024426acSGerd Hoffmann fprintf(stderr, "%s: CR_SET_TR_DEQUEUE\n", __func__); 2533f1ae32a1SGerd Hoffmann slotid = xhci_get_slot(xhci, &event, &trb); 2534f1ae32a1SGerd Hoffmann if (slotid) { 2535f1ae32a1SGerd Hoffmann unsigned int epid = (trb.control >> TRB_CR_EPID_SHIFT) 2536f1ae32a1SGerd Hoffmann & TRB_CR_EPID_MASK; 2537*024426acSGerd Hoffmann unsigned int streamid = (trb.status >> 16) & 0xffff; 2538*024426acSGerd Hoffmann event.ccode = xhci_set_ep_dequeue(xhci, slotid, 2539*024426acSGerd Hoffmann epid, streamid, 2540f1ae32a1SGerd Hoffmann trb.parameter); 2541f1ae32a1SGerd Hoffmann } 2542f1ae32a1SGerd Hoffmann break; 2543f1ae32a1SGerd Hoffmann case CR_RESET_DEVICE: 2544f1ae32a1SGerd Hoffmann slotid = xhci_get_slot(xhci, &event, &trb); 2545f1ae32a1SGerd Hoffmann if (slotid) { 2546f1ae32a1SGerd Hoffmann event.ccode = xhci_reset_slot(xhci, slotid); 2547f1ae32a1SGerd Hoffmann } 2548f1ae32a1SGerd Hoffmann break; 2549f1ae32a1SGerd Hoffmann case CR_GET_PORT_BANDWIDTH: 2550f1ae32a1SGerd Hoffmann event.ccode = xhci_get_port_bandwidth(xhci, trb.parameter); 2551f1ae32a1SGerd Hoffmann break; 2552f1ae32a1SGerd Hoffmann case CR_VENDOR_VIA_CHALLENGE_RESPONSE: 255359a70ccdSDavid Gibson xhci_via_challenge(xhci, trb.parameter); 2554f1ae32a1SGerd Hoffmann break; 2555f1ae32a1SGerd Hoffmann case CR_VENDOR_NEC_FIRMWARE_REVISION: 2556f1ae32a1SGerd Hoffmann event.type = 48; /* NEC reply */ 2557f1ae32a1SGerd Hoffmann event.length = 0x3025; 2558f1ae32a1SGerd Hoffmann break; 2559f1ae32a1SGerd Hoffmann case CR_VENDOR_NEC_CHALLENGE_RESPONSE: 2560f1ae32a1SGerd Hoffmann { 2561f1ae32a1SGerd Hoffmann uint32_t chi = trb.parameter >> 32; 2562f1ae32a1SGerd Hoffmann uint32_t clo = trb.parameter; 2563f1ae32a1SGerd Hoffmann uint32_t val = xhci_nec_challenge(chi, clo); 2564f1ae32a1SGerd Hoffmann event.length = val & 0xFFFF; 2565f1ae32a1SGerd Hoffmann event.epid = val >> 16; 2566f1ae32a1SGerd Hoffmann slotid = val >> 24; 2567f1ae32a1SGerd Hoffmann event.type = 48; /* NEC reply */ 2568f1ae32a1SGerd Hoffmann } 2569f1ae32a1SGerd Hoffmann break; 2570f1ae32a1SGerd Hoffmann default: 2571f1ae32a1SGerd Hoffmann fprintf(stderr, "xhci: unimplemented command %d\n", type); 2572f1ae32a1SGerd Hoffmann event.ccode = CC_TRB_ERROR; 2573f1ae32a1SGerd Hoffmann break; 2574f1ae32a1SGerd Hoffmann } 2575f1ae32a1SGerd Hoffmann event.slotid = slotid; 25762d1de850SGerd Hoffmann xhci_event(xhci, &event, 0); 2577f1ae32a1SGerd Hoffmann } 2578f1ae32a1SGerd Hoffmann } 2579f1ae32a1SGerd Hoffmann 25806a32f80fSGerd Hoffmann static bool xhci_port_have_device(XHCIPort *port) 25816a32f80fSGerd Hoffmann { 25826a32f80fSGerd Hoffmann if (!port->uport->dev || !port->uport->dev->attached) { 25836a32f80fSGerd Hoffmann return false; /* no device present */ 25846a32f80fSGerd Hoffmann } 25856a32f80fSGerd Hoffmann if (!((1 << port->uport->dev->speed) & port->speedmask)) { 25866a32f80fSGerd Hoffmann return false; /* speed mismatch */ 25876a32f80fSGerd Hoffmann } 25886a32f80fSGerd Hoffmann return true; 25896a32f80fSGerd Hoffmann } 25906a32f80fSGerd Hoffmann 2591f705a362SGerd Hoffmann static void xhci_port_notify(XHCIPort *port, uint32_t bits) 2592f705a362SGerd Hoffmann { 2593f705a362SGerd Hoffmann XHCIEvent ev = { ER_PORT_STATUS_CHANGE, CC_SUCCESS, 2594f705a362SGerd Hoffmann port->portnr << 24 }; 2595f705a362SGerd Hoffmann 2596f705a362SGerd Hoffmann if ((port->portsc & bits) == bits) { 2597f705a362SGerd Hoffmann return; 2598f705a362SGerd Hoffmann } 2599f705a362SGerd Hoffmann port->portsc |= bits; 2600f705a362SGerd Hoffmann if (!xhci_running(port->xhci)) { 2601f705a362SGerd Hoffmann return; 2602f705a362SGerd Hoffmann } 2603f705a362SGerd Hoffmann xhci_event(port->xhci, &ev, 0); 2604f705a362SGerd Hoffmann } 2605f705a362SGerd Hoffmann 2606f3214027SGerd Hoffmann static void xhci_port_update(XHCIPort *port, int is_detach) 2607f1ae32a1SGerd Hoffmann { 2608b62b0828SGerd Hoffmann uint32_t pls = PLS_RX_DETECT; 2609b62b0828SGerd Hoffmann 2610f1ae32a1SGerd Hoffmann port->portsc = PORTSC_PP; 26116a32f80fSGerd Hoffmann if (!is_detach && xhci_port_have_device(port)) { 2612f1ae32a1SGerd Hoffmann port->portsc |= PORTSC_CCS; 26130846e635SGerd Hoffmann switch (port->uport->dev->speed) { 2614f1ae32a1SGerd Hoffmann case USB_SPEED_LOW: 2615f1ae32a1SGerd Hoffmann port->portsc |= PORTSC_SPEED_LOW; 2616b62b0828SGerd Hoffmann pls = PLS_POLLING; 2617f1ae32a1SGerd Hoffmann break; 2618f1ae32a1SGerd Hoffmann case USB_SPEED_FULL: 2619f1ae32a1SGerd Hoffmann port->portsc |= PORTSC_SPEED_FULL; 2620b62b0828SGerd Hoffmann pls = PLS_POLLING; 2621f1ae32a1SGerd Hoffmann break; 2622f1ae32a1SGerd Hoffmann case USB_SPEED_HIGH: 2623f1ae32a1SGerd Hoffmann port->portsc |= PORTSC_SPEED_HIGH; 2624b62b0828SGerd Hoffmann pls = PLS_POLLING; 2625f1ae32a1SGerd Hoffmann break; 26260846e635SGerd Hoffmann case USB_SPEED_SUPER: 26270846e635SGerd Hoffmann port->portsc |= PORTSC_SPEED_SUPER; 2628b62b0828SGerd Hoffmann port->portsc |= PORTSC_PED; 2629b62b0828SGerd Hoffmann pls = PLS_U0; 26300846e635SGerd Hoffmann break; 2631f1ae32a1SGerd Hoffmann } 2632f1ae32a1SGerd Hoffmann } 2633b62b0828SGerd Hoffmann set_field(&port->portsc, pls, PORTSC_PLS); 26344f47f0f8SGerd Hoffmann trace_usb_xhci_port_link(port->portnr, pls); 2635f705a362SGerd Hoffmann xhci_port_notify(port, PORTSC_CSC); 2636f1ae32a1SGerd Hoffmann } 2637f1ae32a1SGerd Hoffmann 263840030130SGerd Hoffmann static void xhci_port_reset(XHCIPort *port) 263940030130SGerd Hoffmann { 26404f47f0f8SGerd Hoffmann trace_usb_xhci_port_reset(port->portnr); 26414f47f0f8SGerd Hoffmann 2642b62b0828SGerd Hoffmann if (!xhci_port_have_device(port)) { 2643b62b0828SGerd Hoffmann return; 2644b62b0828SGerd Hoffmann } 2645b62b0828SGerd Hoffmann 264640030130SGerd Hoffmann usb_device_reset(port->uport->dev); 2647b62b0828SGerd Hoffmann 2648b62b0828SGerd Hoffmann switch (port->uport->dev->speed) { 2649b62b0828SGerd Hoffmann case USB_SPEED_LOW: 2650b62b0828SGerd Hoffmann case USB_SPEED_FULL: 2651b62b0828SGerd Hoffmann case USB_SPEED_HIGH: 2652b62b0828SGerd Hoffmann set_field(&port->portsc, PLS_U0, PORTSC_PLS); 26534f47f0f8SGerd Hoffmann trace_usb_xhci_port_link(port->portnr, PLS_U0); 2654b62b0828SGerd Hoffmann port->portsc |= PORTSC_PED; 2655b62b0828SGerd Hoffmann break; 2656b62b0828SGerd Hoffmann } 2657b62b0828SGerd Hoffmann 2658b62b0828SGerd Hoffmann port->portsc &= ~PORTSC_PR; 2659b62b0828SGerd Hoffmann xhci_port_notify(port, PORTSC_PRC); 266040030130SGerd Hoffmann } 266140030130SGerd Hoffmann 266264619739SJan Kiszka static void xhci_reset(DeviceState *dev) 2663f1ae32a1SGerd Hoffmann { 266464619739SJan Kiszka XHCIState *xhci = DO_UPCAST(XHCIState, pci_dev.qdev, dev); 2665f1ae32a1SGerd Hoffmann int i; 2666f1ae32a1SGerd Hoffmann 26672d754a10SGerd Hoffmann trace_usb_xhci_reset(); 2668f1ae32a1SGerd Hoffmann if (!(xhci->usbsts & USBSTS_HCH)) { 2669f1ae32a1SGerd Hoffmann fprintf(stderr, "xhci: reset while running!\n"); 2670f1ae32a1SGerd Hoffmann } 2671f1ae32a1SGerd Hoffmann 2672f1ae32a1SGerd Hoffmann xhci->usbcmd = 0; 2673f1ae32a1SGerd Hoffmann xhci->usbsts = USBSTS_HCH; 2674f1ae32a1SGerd Hoffmann xhci->dnctrl = 0; 2675f1ae32a1SGerd Hoffmann xhci->crcr_low = 0; 2676f1ae32a1SGerd Hoffmann xhci->crcr_high = 0; 2677f1ae32a1SGerd Hoffmann xhci->dcbaap_low = 0; 2678f1ae32a1SGerd Hoffmann xhci->dcbaap_high = 0; 2679f1ae32a1SGerd Hoffmann xhci->config = 0; 2680f1ae32a1SGerd Hoffmann xhci->devaddr = 2; 2681f1ae32a1SGerd Hoffmann 268291062ae0SGerd Hoffmann for (i = 0; i < xhci->numslots; i++) { 2683f1ae32a1SGerd Hoffmann xhci_disable_slot(xhci, i+1); 2684f1ae32a1SGerd Hoffmann } 2685f1ae32a1SGerd Hoffmann 26860846e635SGerd Hoffmann for (i = 0; i < xhci->numports; i++) { 2687f3214027SGerd Hoffmann xhci_port_update(xhci->ports + i, 0); 2688f1ae32a1SGerd Hoffmann } 2689f1ae32a1SGerd Hoffmann 269091062ae0SGerd Hoffmann for (i = 0; i < xhci->numintrs; i++) { 2691962d11e1SGerd Hoffmann xhci->intr[i].iman = 0; 2692962d11e1SGerd Hoffmann xhci->intr[i].imod = 0; 2693962d11e1SGerd Hoffmann xhci->intr[i].erstsz = 0; 2694962d11e1SGerd Hoffmann xhci->intr[i].erstba_low = 0; 2695962d11e1SGerd Hoffmann xhci->intr[i].erstba_high = 0; 2696962d11e1SGerd Hoffmann xhci->intr[i].erdp_low = 0; 2697962d11e1SGerd Hoffmann xhci->intr[i].erdp_high = 0; 2698962d11e1SGerd Hoffmann xhci->intr[i].msix_used = 0; 2699f1ae32a1SGerd Hoffmann 2700962d11e1SGerd Hoffmann xhci->intr[i].er_ep_idx = 0; 2701962d11e1SGerd Hoffmann xhci->intr[i].er_pcs = 1; 2702962d11e1SGerd Hoffmann xhci->intr[i].er_full = 0; 2703962d11e1SGerd Hoffmann xhci->intr[i].ev_buffer_put = 0; 2704962d11e1SGerd Hoffmann xhci->intr[i].ev_buffer_get = 0; 2705962d11e1SGerd Hoffmann } 270601546fa6SGerd Hoffmann 270701546fa6SGerd Hoffmann xhci->mfindex_start = qemu_get_clock_ns(vm_clock); 270801546fa6SGerd Hoffmann xhci_mfwrap_update(xhci); 2709f1ae32a1SGerd Hoffmann } 2710f1ae32a1SGerd Hoffmann 2711a8170e5eSAvi Kivity static uint64_t xhci_cap_read(void *ptr, hwaddr reg, unsigned size) 2712f1ae32a1SGerd Hoffmann { 27131b067564SGerd Hoffmann XHCIState *xhci = ptr; 27142d754a10SGerd Hoffmann uint32_t ret; 2715f1ae32a1SGerd Hoffmann 2716f1ae32a1SGerd Hoffmann switch (reg) { 2717f1ae32a1SGerd Hoffmann case 0x00: /* HCIVERSION, CAPLENGTH */ 27182d754a10SGerd Hoffmann ret = 0x01000000 | LEN_CAP; 27192d754a10SGerd Hoffmann break; 2720f1ae32a1SGerd Hoffmann case 0x04: /* HCSPARAMS 1 */ 27210846e635SGerd Hoffmann ret = ((xhci->numports_2+xhci->numports_3)<<24) 272291062ae0SGerd Hoffmann | (xhci->numintrs<<8) | xhci->numslots; 27232d754a10SGerd Hoffmann break; 2724f1ae32a1SGerd Hoffmann case 0x08: /* HCSPARAMS 2 */ 27252d754a10SGerd Hoffmann ret = 0x0000000f; 27262d754a10SGerd Hoffmann break; 2727f1ae32a1SGerd Hoffmann case 0x0c: /* HCSPARAMS 3 */ 27282d754a10SGerd Hoffmann ret = 0x00000000; 27292d754a10SGerd Hoffmann break; 2730f1ae32a1SGerd Hoffmann case 0x10: /* HCCPARAMS */ 27312d754a10SGerd Hoffmann if (sizeof(dma_addr_t) == 4) { 2732*024426acSGerd Hoffmann ret = 0x00087000; 27332d754a10SGerd Hoffmann } else { 2734*024426acSGerd Hoffmann ret = 0x00087001; 27352d754a10SGerd Hoffmann } 27362d754a10SGerd Hoffmann break; 2737f1ae32a1SGerd Hoffmann case 0x14: /* DBOFF */ 27382d754a10SGerd Hoffmann ret = OFF_DOORBELL; 27392d754a10SGerd Hoffmann break; 2740f1ae32a1SGerd Hoffmann case 0x18: /* RTSOFF */ 27412d754a10SGerd Hoffmann ret = OFF_RUNTIME; 27422d754a10SGerd Hoffmann break; 2743f1ae32a1SGerd Hoffmann 2744f1ae32a1SGerd Hoffmann /* extended capabilities */ 2745f1ae32a1SGerd Hoffmann case 0x20: /* Supported Protocol:00 */ 27462d754a10SGerd Hoffmann ret = 0x02000402; /* USB 2.0 */ 27472d754a10SGerd Hoffmann break; 2748f1ae32a1SGerd Hoffmann case 0x24: /* Supported Protocol:04 */ 27490ebfb144SGerd Hoffmann ret = 0x20425355; /* "USB " */ 27502d754a10SGerd Hoffmann break; 2751f1ae32a1SGerd Hoffmann case 0x28: /* Supported Protocol:08 */ 27520846e635SGerd Hoffmann ret = 0x00000001 | (xhci->numports_2<<8); 27532d754a10SGerd Hoffmann break; 2754f1ae32a1SGerd Hoffmann case 0x2c: /* Supported Protocol:0c */ 27552d754a10SGerd Hoffmann ret = 0x00000000; /* reserved */ 27562d754a10SGerd Hoffmann break; 2757f1ae32a1SGerd Hoffmann case 0x30: /* Supported Protocol:00 */ 27582d754a10SGerd Hoffmann ret = 0x03000002; /* USB 3.0 */ 27592d754a10SGerd Hoffmann break; 2760f1ae32a1SGerd Hoffmann case 0x34: /* Supported Protocol:04 */ 27610ebfb144SGerd Hoffmann ret = 0x20425355; /* "USB " */ 27622d754a10SGerd Hoffmann break; 2763f1ae32a1SGerd Hoffmann case 0x38: /* Supported Protocol:08 */ 27640846e635SGerd Hoffmann ret = 0x00000000 | (xhci->numports_2+1) | (xhci->numports_3<<8); 27652d754a10SGerd Hoffmann break; 2766f1ae32a1SGerd Hoffmann case 0x3c: /* Supported Protocol:0c */ 27672d754a10SGerd Hoffmann ret = 0x00000000; /* reserved */ 27682d754a10SGerd Hoffmann break; 2769f1ae32a1SGerd Hoffmann default: 27701b067564SGerd Hoffmann fprintf(stderr, "xhci_cap_read: reg %d unimplemented\n", (int)reg); 27712d754a10SGerd Hoffmann ret = 0; 2772f1ae32a1SGerd Hoffmann } 27732d754a10SGerd Hoffmann 27742d754a10SGerd Hoffmann trace_usb_xhci_cap_read(reg, ret); 27752d754a10SGerd Hoffmann return ret; 2776f1ae32a1SGerd Hoffmann } 2777f1ae32a1SGerd Hoffmann 2778a8170e5eSAvi Kivity static uint64_t xhci_port_read(void *ptr, hwaddr reg, unsigned size) 2779f1ae32a1SGerd Hoffmann { 27801d8a4e69SGerd Hoffmann XHCIPort *port = ptr; 27812d754a10SGerd Hoffmann uint32_t ret; 27822d754a10SGerd Hoffmann 27831d8a4e69SGerd Hoffmann switch (reg) { 2784f1ae32a1SGerd Hoffmann case 0x00: /* PORTSC */ 27851d8a4e69SGerd Hoffmann ret = port->portsc; 27862d754a10SGerd Hoffmann break; 2787f1ae32a1SGerd Hoffmann case 0x04: /* PORTPMSC */ 2788f1ae32a1SGerd Hoffmann case 0x08: /* PORTLI */ 27892d754a10SGerd Hoffmann ret = 0; 27902d754a10SGerd Hoffmann break; 2791f1ae32a1SGerd Hoffmann case 0x0c: /* reserved */ 2792f1ae32a1SGerd Hoffmann default: 2793f1ae32a1SGerd Hoffmann fprintf(stderr, "xhci_port_read (port %d): reg 0x%x unimplemented\n", 27941d8a4e69SGerd Hoffmann port->portnr, (uint32_t)reg); 27952d754a10SGerd Hoffmann ret = 0; 2796f1ae32a1SGerd Hoffmann } 27972d754a10SGerd Hoffmann 27981d8a4e69SGerd Hoffmann trace_usb_xhci_port_read(port->portnr, reg, ret); 27992d754a10SGerd Hoffmann return ret; 2800f1ae32a1SGerd Hoffmann } 2801f1ae32a1SGerd Hoffmann 2802a8170e5eSAvi Kivity static void xhci_port_write(void *ptr, hwaddr reg, 28031d8a4e69SGerd Hoffmann uint64_t val, unsigned size) 2804f1ae32a1SGerd Hoffmann { 28051d8a4e69SGerd Hoffmann XHCIPort *port = ptr; 2806f1ae32a1SGerd Hoffmann uint32_t portsc; 2807f1ae32a1SGerd Hoffmann 28081d8a4e69SGerd Hoffmann trace_usb_xhci_port_write(port->portnr, reg, val); 28092d754a10SGerd Hoffmann 28101d8a4e69SGerd Hoffmann switch (reg) { 2811f1ae32a1SGerd Hoffmann case 0x00: /* PORTSC */ 28121d8a4e69SGerd Hoffmann portsc = port->portsc; 2813f1ae32a1SGerd Hoffmann /* write-1-to-clear bits*/ 2814f1ae32a1SGerd Hoffmann portsc &= ~(val & (PORTSC_CSC|PORTSC_PEC|PORTSC_WRC|PORTSC_OCC| 2815f1ae32a1SGerd Hoffmann PORTSC_PRC|PORTSC_PLC|PORTSC_CEC)); 2816f1ae32a1SGerd Hoffmann if (val & PORTSC_LWS) { 2817f1ae32a1SGerd Hoffmann /* overwrite PLS only when LWS=1 */ 281885e05d82SGerd Hoffmann uint32_t pls = get_field(val, PORTSC_PLS); 281985e05d82SGerd Hoffmann set_field(&portsc, pls, PORTSC_PLS); 28204f47f0f8SGerd Hoffmann trace_usb_xhci_port_link(port->portnr, pls); 2821f1ae32a1SGerd Hoffmann } 2822f1ae32a1SGerd Hoffmann /* read/write bits */ 2823f1ae32a1SGerd Hoffmann portsc &= ~(PORTSC_PP|PORTSC_WCE|PORTSC_WDE|PORTSC_WOE); 2824f1ae32a1SGerd Hoffmann portsc |= (val & (PORTSC_PP|PORTSC_WCE|PORTSC_WDE|PORTSC_WOE)); 282540030130SGerd Hoffmann port->portsc = portsc; 2826f1ae32a1SGerd Hoffmann /* write-1-to-start bits */ 2827f1ae32a1SGerd Hoffmann if (val & PORTSC_PR) { 282840030130SGerd Hoffmann xhci_port_reset(port); 2829f1ae32a1SGerd Hoffmann } 2830f1ae32a1SGerd Hoffmann break; 2831f1ae32a1SGerd Hoffmann case 0x04: /* PORTPMSC */ 2832f1ae32a1SGerd Hoffmann case 0x08: /* PORTLI */ 2833f1ae32a1SGerd Hoffmann default: 2834f1ae32a1SGerd Hoffmann fprintf(stderr, "xhci_port_write (port %d): reg 0x%x unimplemented\n", 28351d8a4e69SGerd Hoffmann port->portnr, (uint32_t)reg); 2836f1ae32a1SGerd Hoffmann } 2837f1ae32a1SGerd Hoffmann } 2838f1ae32a1SGerd Hoffmann 2839a8170e5eSAvi Kivity static uint64_t xhci_oper_read(void *ptr, hwaddr reg, unsigned size) 2840f1ae32a1SGerd Hoffmann { 28411b067564SGerd Hoffmann XHCIState *xhci = ptr; 28422d754a10SGerd Hoffmann uint32_t ret; 2843f1ae32a1SGerd Hoffmann 2844f1ae32a1SGerd Hoffmann switch (reg) { 2845f1ae32a1SGerd Hoffmann case 0x00: /* USBCMD */ 28462d754a10SGerd Hoffmann ret = xhci->usbcmd; 28472d754a10SGerd Hoffmann break; 2848f1ae32a1SGerd Hoffmann case 0x04: /* USBSTS */ 28492d754a10SGerd Hoffmann ret = xhci->usbsts; 28502d754a10SGerd Hoffmann break; 2851f1ae32a1SGerd Hoffmann case 0x08: /* PAGESIZE */ 28522d754a10SGerd Hoffmann ret = 1; /* 4KiB */ 28532d754a10SGerd Hoffmann break; 2854f1ae32a1SGerd Hoffmann case 0x14: /* DNCTRL */ 28552d754a10SGerd Hoffmann ret = xhci->dnctrl; 28562d754a10SGerd Hoffmann break; 2857f1ae32a1SGerd Hoffmann case 0x18: /* CRCR low */ 28582d754a10SGerd Hoffmann ret = xhci->crcr_low & ~0xe; 28592d754a10SGerd Hoffmann break; 2860f1ae32a1SGerd Hoffmann case 0x1c: /* CRCR high */ 28612d754a10SGerd Hoffmann ret = xhci->crcr_high; 28622d754a10SGerd Hoffmann break; 2863f1ae32a1SGerd Hoffmann case 0x30: /* DCBAAP low */ 28642d754a10SGerd Hoffmann ret = xhci->dcbaap_low; 28652d754a10SGerd Hoffmann break; 2866f1ae32a1SGerd Hoffmann case 0x34: /* DCBAAP high */ 28672d754a10SGerd Hoffmann ret = xhci->dcbaap_high; 28682d754a10SGerd Hoffmann break; 2869f1ae32a1SGerd Hoffmann case 0x38: /* CONFIG */ 28702d754a10SGerd Hoffmann ret = xhci->config; 28712d754a10SGerd Hoffmann break; 2872f1ae32a1SGerd Hoffmann default: 28731b067564SGerd Hoffmann fprintf(stderr, "xhci_oper_read: reg 0x%x unimplemented\n", (int)reg); 28742d754a10SGerd Hoffmann ret = 0; 2875f1ae32a1SGerd Hoffmann } 28762d754a10SGerd Hoffmann 28772d754a10SGerd Hoffmann trace_usb_xhci_oper_read(reg, ret); 28782d754a10SGerd Hoffmann return ret; 2879f1ae32a1SGerd Hoffmann } 2880f1ae32a1SGerd Hoffmann 2881a8170e5eSAvi Kivity static void xhci_oper_write(void *ptr, hwaddr reg, 28821b067564SGerd Hoffmann uint64_t val, unsigned size) 2883f1ae32a1SGerd Hoffmann { 28841b067564SGerd Hoffmann XHCIState *xhci = ptr; 28851b067564SGerd Hoffmann 28862d754a10SGerd Hoffmann trace_usb_xhci_oper_write(reg, val); 28872d754a10SGerd Hoffmann 2888f1ae32a1SGerd Hoffmann switch (reg) { 2889f1ae32a1SGerd Hoffmann case 0x00: /* USBCMD */ 2890f1ae32a1SGerd Hoffmann if ((val & USBCMD_RS) && !(xhci->usbcmd & USBCMD_RS)) { 2891f1ae32a1SGerd Hoffmann xhci_run(xhci); 2892f1ae32a1SGerd Hoffmann } else if (!(val & USBCMD_RS) && (xhci->usbcmd & USBCMD_RS)) { 2893f1ae32a1SGerd Hoffmann xhci_stop(xhci); 2894f1ae32a1SGerd Hoffmann } 2895f1ae32a1SGerd Hoffmann xhci->usbcmd = val & 0xc0f; 289601546fa6SGerd Hoffmann xhci_mfwrap_update(xhci); 2897f1ae32a1SGerd Hoffmann if (val & USBCMD_HCRST) { 289864619739SJan Kiszka xhci_reset(&xhci->pci_dev.qdev); 2899f1ae32a1SGerd Hoffmann } 29004c4abe7cSGerd Hoffmann xhci_intx_update(xhci); 2901f1ae32a1SGerd Hoffmann break; 2902f1ae32a1SGerd Hoffmann 2903f1ae32a1SGerd Hoffmann case 0x04: /* USBSTS */ 2904f1ae32a1SGerd Hoffmann /* these bits are write-1-to-clear */ 2905f1ae32a1SGerd Hoffmann xhci->usbsts &= ~(val & (USBSTS_HSE|USBSTS_EINT|USBSTS_PCD|USBSTS_SRE)); 29064c4abe7cSGerd Hoffmann xhci_intx_update(xhci); 2907f1ae32a1SGerd Hoffmann break; 2908f1ae32a1SGerd Hoffmann 2909f1ae32a1SGerd Hoffmann case 0x14: /* DNCTRL */ 2910f1ae32a1SGerd Hoffmann xhci->dnctrl = val & 0xffff; 2911f1ae32a1SGerd Hoffmann break; 2912f1ae32a1SGerd Hoffmann case 0x18: /* CRCR low */ 2913f1ae32a1SGerd Hoffmann xhci->crcr_low = (val & 0xffffffcf) | (xhci->crcr_low & CRCR_CRR); 2914f1ae32a1SGerd Hoffmann break; 2915f1ae32a1SGerd Hoffmann case 0x1c: /* CRCR high */ 2916f1ae32a1SGerd Hoffmann xhci->crcr_high = val; 2917f1ae32a1SGerd Hoffmann if (xhci->crcr_low & (CRCR_CA|CRCR_CS) && (xhci->crcr_low & CRCR_CRR)) { 2918f1ae32a1SGerd Hoffmann XHCIEvent event = {ER_COMMAND_COMPLETE, CC_COMMAND_RING_STOPPED}; 2919f1ae32a1SGerd Hoffmann xhci->crcr_low &= ~CRCR_CRR; 29202d1de850SGerd Hoffmann xhci_event(xhci, &event, 0); 2921f1ae32a1SGerd Hoffmann DPRINTF("xhci: command ring stopped (CRCR=%08x)\n", xhci->crcr_low); 2922f1ae32a1SGerd Hoffmann } else { 292359a70ccdSDavid Gibson dma_addr_t base = xhci_addr64(xhci->crcr_low & ~0x3f, val); 2924f1ae32a1SGerd Hoffmann xhci_ring_init(xhci, &xhci->cmd_ring, base); 2925f1ae32a1SGerd Hoffmann } 2926f1ae32a1SGerd Hoffmann xhci->crcr_low &= ~(CRCR_CA | CRCR_CS); 2927f1ae32a1SGerd Hoffmann break; 2928f1ae32a1SGerd Hoffmann case 0x30: /* DCBAAP low */ 2929f1ae32a1SGerd Hoffmann xhci->dcbaap_low = val & 0xffffffc0; 2930f1ae32a1SGerd Hoffmann break; 2931f1ae32a1SGerd Hoffmann case 0x34: /* DCBAAP high */ 2932f1ae32a1SGerd Hoffmann xhci->dcbaap_high = val; 2933f1ae32a1SGerd Hoffmann break; 2934f1ae32a1SGerd Hoffmann case 0x38: /* CONFIG */ 2935f1ae32a1SGerd Hoffmann xhci->config = val & 0xff; 2936f1ae32a1SGerd Hoffmann break; 2937f1ae32a1SGerd Hoffmann default: 29381b067564SGerd Hoffmann fprintf(stderr, "xhci_oper_write: reg 0x%x unimplemented\n", (int)reg); 2939f1ae32a1SGerd Hoffmann } 2940f1ae32a1SGerd Hoffmann } 2941f1ae32a1SGerd Hoffmann 2942a8170e5eSAvi Kivity static uint64_t xhci_runtime_read(void *ptr, hwaddr reg, 29431b067564SGerd Hoffmann unsigned size) 2944f1ae32a1SGerd Hoffmann { 29451b067564SGerd Hoffmann XHCIState *xhci = ptr; 294643d9d604SGerd Hoffmann uint32_t ret = 0; 2947f1ae32a1SGerd Hoffmann 294843d9d604SGerd Hoffmann if (reg < 0x20) { 2949f1ae32a1SGerd Hoffmann switch (reg) { 2950f1ae32a1SGerd Hoffmann case 0x00: /* MFINDEX */ 295101546fa6SGerd Hoffmann ret = xhci_mfindex_get(xhci) & 0x3fff; 29522d754a10SGerd Hoffmann break; 2953f1ae32a1SGerd Hoffmann default: 29541b067564SGerd Hoffmann fprintf(stderr, "xhci_runtime_read: reg 0x%x unimplemented\n", 29551b067564SGerd Hoffmann (int)reg); 295643d9d604SGerd Hoffmann break; 295743d9d604SGerd Hoffmann } 295843d9d604SGerd Hoffmann } else { 295943d9d604SGerd Hoffmann int v = (reg - 0x20) / 0x20; 296043d9d604SGerd Hoffmann XHCIInterrupter *intr = &xhci->intr[v]; 296143d9d604SGerd Hoffmann switch (reg & 0x1f) { 296243d9d604SGerd Hoffmann case 0x00: /* IMAN */ 296343d9d604SGerd Hoffmann ret = intr->iman; 296443d9d604SGerd Hoffmann break; 296543d9d604SGerd Hoffmann case 0x04: /* IMOD */ 296643d9d604SGerd Hoffmann ret = intr->imod; 296743d9d604SGerd Hoffmann break; 296843d9d604SGerd Hoffmann case 0x08: /* ERSTSZ */ 296943d9d604SGerd Hoffmann ret = intr->erstsz; 297043d9d604SGerd Hoffmann break; 297143d9d604SGerd Hoffmann case 0x10: /* ERSTBA low */ 297243d9d604SGerd Hoffmann ret = intr->erstba_low; 297343d9d604SGerd Hoffmann break; 297443d9d604SGerd Hoffmann case 0x14: /* ERSTBA high */ 297543d9d604SGerd Hoffmann ret = intr->erstba_high; 297643d9d604SGerd Hoffmann break; 297743d9d604SGerd Hoffmann case 0x18: /* ERDP low */ 297843d9d604SGerd Hoffmann ret = intr->erdp_low; 297943d9d604SGerd Hoffmann break; 298043d9d604SGerd Hoffmann case 0x1c: /* ERDP high */ 298143d9d604SGerd Hoffmann ret = intr->erdp_high; 298243d9d604SGerd Hoffmann break; 298343d9d604SGerd Hoffmann } 2984f1ae32a1SGerd Hoffmann } 29852d754a10SGerd Hoffmann 29862d754a10SGerd Hoffmann trace_usb_xhci_runtime_read(reg, ret); 29872d754a10SGerd Hoffmann return ret; 2988f1ae32a1SGerd Hoffmann } 2989f1ae32a1SGerd Hoffmann 2990a8170e5eSAvi Kivity static void xhci_runtime_write(void *ptr, hwaddr reg, 29911b067564SGerd Hoffmann uint64_t val, unsigned size) 2992f1ae32a1SGerd Hoffmann { 29931b067564SGerd Hoffmann XHCIState *xhci = ptr; 299443d9d604SGerd Hoffmann int v = (reg - 0x20) / 0x20; 299543d9d604SGerd Hoffmann XHCIInterrupter *intr = &xhci->intr[v]; 29968e9f18b6SGerd Hoffmann trace_usb_xhci_runtime_write(reg, val); 2997f1ae32a1SGerd Hoffmann 299843d9d604SGerd Hoffmann if (reg < 0x20) { 299979a8af35SGerd Hoffmann fprintf(stderr, "%s: reg 0x%x unimplemented\n", __func__, (int)reg); 300043d9d604SGerd Hoffmann return; 300143d9d604SGerd Hoffmann } 300243d9d604SGerd Hoffmann 300343d9d604SGerd Hoffmann switch (reg & 0x1f) { 300443d9d604SGerd Hoffmann case 0x00: /* IMAN */ 3005f1ae32a1SGerd Hoffmann if (val & IMAN_IP) { 3006962d11e1SGerd Hoffmann intr->iman &= ~IMAN_IP; 3007f1ae32a1SGerd Hoffmann } 3008962d11e1SGerd Hoffmann intr->iman &= ~IMAN_IE; 3009962d11e1SGerd Hoffmann intr->iman |= val & IMAN_IE; 301043d9d604SGerd Hoffmann if (v == 0) { 30114c4abe7cSGerd Hoffmann xhci_intx_update(xhci); 301243d9d604SGerd Hoffmann } 301343d9d604SGerd Hoffmann xhci_msix_update(xhci, v); 3014f1ae32a1SGerd Hoffmann break; 301543d9d604SGerd Hoffmann case 0x04: /* IMOD */ 3016962d11e1SGerd Hoffmann intr->imod = val; 3017f1ae32a1SGerd Hoffmann break; 301843d9d604SGerd Hoffmann case 0x08: /* ERSTSZ */ 3019962d11e1SGerd Hoffmann intr->erstsz = val & 0xffff; 3020f1ae32a1SGerd Hoffmann break; 302143d9d604SGerd Hoffmann case 0x10: /* ERSTBA low */ 3022f1ae32a1SGerd Hoffmann /* XXX NEC driver bug: it doesn't align this to 64 bytes 3023962d11e1SGerd Hoffmann intr->erstba_low = val & 0xffffffc0; */ 3024962d11e1SGerd Hoffmann intr->erstba_low = val & 0xfffffff0; 3025f1ae32a1SGerd Hoffmann break; 302643d9d604SGerd Hoffmann case 0x14: /* ERSTBA high */ 3027962d11e1SGerd Hoffmann intr->erstba_high = val; 302843d9d604SGerd Hoffmann xhci_er_reset(xhci, v); 3029f1ae32a1SGerd Hoffmann break; 303043d9d604SGerd Hoffmann case 0x18: /* ERDP low */ 3031f1ae32a1SGerd Hoffmann if (val & ERDP_EHB) { 3032962d11e1SGerd Hoffmann intr->erdp_low &= ~ERDP_EHB; 3033f1ae32a1SGerd Hoffmann } 3034962d11e1SGerd Hoffmann intr->erdp_low = (val & ~ERDP_EHB) | (intr->erdp_low & ERDP_EHB); 3035f1ae32a1SGerd Hoffmann break; 303643d9d604SGerd Hoffmann case 0x1c: /* ERDP high */ 3037962d11e1SGerd Hoffmann intr->erdp_high = val; 303843d9d604SGerd Hoffmann xhci_events_update(xhci, v); 3039f1ae32a1SGerd Hoffmann break; 3040f1ae32a1SGerd Hoffmann default: 30411b067564SGerd Hoffmann fprintf(stderr, "xhci_oper_write: reg 0x%x unimplemented\n", 30421b067564SGerd Hoffmann (int)reg); 3043f1ae32a1SGerd Hoffmann } 3044f1ae32a1SGerd Hoffmann } 3045f1ae32a1SGerd Hoffmann 3046a8170e5eSAvi Kivity static uint64_t xhci_doorbell_read(void *ptr, hwaddr reg, 30471b067564SGerd Hoffmann unsigned size) 3048f1ae32a1SGerd Hoffmann { 3049f1ae32a1SGerd Hoffmann /* doorbells always read as 0 */ 30502d754a10SGerd Hoffmann trace_usb_xhci_doorbell_read(reg, 0); 3051f1ae32a1SGerd Hoffmann return 0; 3052f1ae32a1SGerd Hoffmann } 3053f1ae32a1SGerd Hoffmann 3054a8170e5eSAvi Kivity static void xhci_doorbell_write(void *ptr, hwaddr reg, 30551b067564SGerd Hoffmann uint64_t val, unsigned size) 3056f1ae32a1SGerd Hoffmann { 30571b067564SGerd Hoffmann XHCIState *xhci = ptr; 3058*024426acSGerd Hoffmann unsigned int epid, streamid; 30591b067564SGerd Hoffmann 30602d754a10SGerd Hoffmann trace_usb_xhci_doorbell_write(reg, val); 3061f1ae32a1SGerd Hoffmann 3062f1ae32a1SGerd Hoffmann if (!xhci_running(xhci)) { 3063f1ae32a1SGerd Hoffmann fprintf(stderr, "xhci: wrote doorbell while xHC stopped or paused\n"); 3064f1ae32a1SGerd Hoffmann return; 3065f1ae32a1SGerd Hoffmann } 3066f1ae32a1SGerd Hoffmann 3067f1ae32a1SGerd Hoffmann reg >>= 2; 3068f1ae32a1SGerd Hoffmann 3069f1ae32a1SGerd Hoffmann if (reg == 0) { 3070f1ae32a1SGerd Hoffmann if (val == 0) { 3071f1ae32a1SGerd Hoffmann xhci_process_commands(xhci); 3072f1ae32a1SGerd Hoffmann } else { 30731b067564SGerd Hoffmann fprintf(stderr, "xhci: bad doorbell 0 write: 0x%x\n", 30741b067564SGerd Hoffmann (uint32_t)val); 3075f1ae32a1SGerd Hoffmann } 3076f1ae32a1SGerd Hoffmann } else { 3077*024426acSGerd Hoffmann epid = val & 0xff; 3078*024426acSGerd Hoffmann streamid = (val >> 16) & 0xffff; 307991062ae0SGerd Hoffmann if (reg > xhci->numslots) { 30801b067564SGerd Hoffmann fprintf(stderr, "xhci: bad doorbell %d\n", (int)reg); 3081*024426acSGerd Hoffmann } else if (epid > 31) { 30821b067564SGerd Hoffmann fprintf(stderr, "xhci: bad doorbell %d write: 0x%x\n", 30831b067564SGerd Hoffmann (int)reg, (uint32_t)val); 3084f1ae32a1SGerd Hoffmann } else { 3085*024426acSGerd Hoffmann xhci_kick_ep(xhci, reg, epid, streamid); 3086f1ae32a1SGerd Hoffmann } 3087f1ae32a1SGerd Hoffmann } 3088f1ae32a1SGerd Hoffmann } 3089f1ae32a1SGerd Hoffmann 30901b067564SGerd Hoffmann static const MemoryRegionOps xhci_cap_ops = { 30911b067564SGerd Hoffmann .read = xhci_cap_read, 30926ee021d4SGerd Hoffmann .valid.min_access_size = 1, 30931b067564SGerd Hoffmann .valid.max_access_size = 4, 30946ee021d4SGerd Hoffmann .impl.min_access_size = 4, 30956ee021d4SGerd Hoffmann .impl.max_access_size = 4, 30961b067564SGerd Hoffmann .endianness = DEVICE_LITTLE_ENDIAN, 30971b067564SGerd Hoffmann }; 3098f1ae32a1SGerd Hoffmann 30991b067564SGerd Hoffmann static const MemoryRegionOps xhci_oper_ops = { 31001b067564SGerd Hoffmann .read = xhci_oper_read, 31011b067564SGerd Hoffmann .write = xhci_oper_write, 31021b067564SGerd Hoffmann .valid.min_access_size = 4, 31031b067564SGerd Hoffmann .valid.max_access_size = 4, 31041b067564SGerd Hoffmann .endianness = DEVICE_LITTLE_ENDIAN, 31051b067564SGerd Hoffmann }; 3106f1ae32a1SGerd Hoffmann 31071d8a4e69SGerd Hoffmann static const MemoryRegionOps xhci_port_ops = { 31081d8a4e69SGerd Hoffmann .read = xhci_port_read, 31091d8a4e69SGerd Hoffmann .write = xhci_port_write, 31101d8a4e69SGerd Hoffmann .valid.min_access_size = 4, 31111d8a4e69SGerd Hoffmann .valid.max_access_size = 4, 31121d8a4e69SGerd Hoffmann .endianness = DEVICE_LITTLE_ENDIAN, 31131d8a4e69SGerd Hoffmann }; 31141d8a4e69SGerd Hoffmann 31151b067564SGerd Hoffmann static const MemoryRegionOps xhci_runtime_ops = { 31161b067564SGerd Hoffmann .read = xhci_runtime_read, 31171b067564SGerd Hoffmann .write = xhci_runtime_write, 31181b067564SGerd Hoffmann .valid.min_access_size = 4, 31191b067564SGerd Hoffmann .valid.max_access_size = 4, 31201b067564SGerd Hoffmann .endianness = DEVICE_LITTLE_ENDIAN, 31211b067564SGerd Hoffmann }; 3122f1ae32a1SGerd Hoffmann 31231b067564SGerd Hoffmann static const MemoryRegionOps xhci_doorbell_ops = { 31241b067564SGerd Hoffmann .read = xhci_doorbell_read, 31251b067564SGerd Hoffmann .write = xhci_doorbell_write, 3126f1ae32a1SGerd Hoffmann .valid.min_access_size = 4, 3127f1ae32a1SGerd Hoffmann .valid.max_access_size = 4, 3128f1ae32a1SGerd Hoffmann .endianness = DEVICE_LITTLE_ENDIAN, 3129f1ae32a1SGerd Hoffmann }; 3130f1ae32a1SGerd Hoffmann 3131f1ae32a1SGerd Hoffmann static void xhci_attach(USBPort *usbport) 3132f1ae32a1SGerd Hoffmann { 3133f1ae32a1SGerd Hoffmann XHCIState *xhci = usbport->opaque; 31340846e635SGerd Hoffmann XHCIPort *port = xhci_lookup_port(xhci, usbport); 3135f1ae32a1SGerd Hoffmann 3136f3214027SGerd Hoffmann xhci_port_update(port, 0); 3137f1ae32a1SGerd Hoffmann } 3138f1ae32a1SGerd Hoffmann 3139f1ae32a1SGerd Hoffmann static void xhci_detach(USBPort *usbport) 3140f1ae32a1SGerd Hoffmann { 3141f1ae32a1SGerd Hoffmann XHCIState *xhci = usbport->opaque; 31420846e635SGerd Hoffmann XHCIPort *port = xhci_lookup_port(xhci, usbport); 3143f1ae32a1SGerd Hoffmann 3144f3dcf638SGerd Hoffmann xhci_detach_slot(xhci, usbport); 3145f3214027SGerd Hoffmann xhci_port_update(port, 1); 3146f1ae32a1SGerd Hoffmann } 3147f1ae32a1SGerd Hoffmann 3148f1ae32a1SGerd Hoffmann static void xhci_wakeup(USBPort *usbport) 3149f1ae32a1SGerd Hoffmann { 3150f1ae32a1SGerd Hoffmann XHCIState *xhci = usbport->opaque; 31510846e635SGerd Hoffmann XHCIPort *port = xhci_lookup_port(xhci, usbport); 3152f1ae32a1SGerd Hoffmann 315385e05d82SGerd Hoffmann if (get_field(port->portsc, PORTSC_PLS) != PLS_U3) { 3154f1ae32a1SGerd Hoffmann return; 3155f1ae32a1SGerd Hoffmann } 315685e05d82SGerd Hoffmann set_field(&port->portsc, PLS_RESUME, PORTSC_PLS); 3157f705a362SGerd Hoffmann xhci_port_notify(port, PORTSC_PLC); 3158f1ae32a1SGerd Hoffmann } 3159f1ae32a1SGerd Hoffmann 3160f1ae32a1SGerd Hoffmann static void xhci_complete(USBPort *port, USBPacket *packet) 3161f1ae32a1SGerd Hoffmann { 3162f1ae32a1SGerd Hoffmann XHCITransfer *xfer = container_of(packet, XHCITransfer, packet); 3163f1ae32a1SGerd Hoffmann 31649a77a0f5SHans de Goede if (packet->status == USB_RET_REMOVE_FROM_QUEUE) { 31650cae7b1aSHans de Goede xhci_ep_nuke_one_xfer(xfer); 31660cae7b1aSHans de Goede return; 31670cae7b1aSHans de Goede } 31689a77a0f5SHans de Goede xhci_complete_packet(xfer); 3169*024426acSGerd Hoffmann xhci_kick_ep(xfer->xhci, xfer->slotid, xfer->epid, xfer->streamid); 3170f1ae32a1SGerd Hoffmann } 3171f1ae32a1SGerd Hoffmann 3172ccaf87a0SGerd Hoffmann static void xhci_child_detach(USBPort *uport, USBDevice *child) 3173f1ae32a1SGerd Hoffmann { 3174ccaf87a0SGerd Hoffmann USBBus *bus = usb_bus_from_device(child); 3175ccaf87a0SGerd Hoffmann XHCIState *xhci = container_of(bus, XHCIState, bus); 3176ccaf87a0SGerd Hoffmann 317781251841SGerd Hoffmann xhci_detach_slot(xhci, uport); 3178f1ae32a1SGerd Hoffmann } 3179f1ae32a1SGerd Hoffmann 31801d8a4e69SGerd Hoffmann static USBPortOps xhci_uport_ops = { 3181f1ae32a1SGerd Hoffmann .attach = xhci_attach, 3182f1ae32a1SGerd Hoffmann .detach = xhci_detach, 3183f1ae32a1SGerd Hoffmann .wakeup = xhci_wakeup, 3184f1ae32a1SGerd Hoffmann .complete = xhci_complete, 3185f1ae32a1SGerd Hoffmann .child_detach = xhci_child_detach, 3186f1ae32a1SGerd Hoffmann }; 3187f1ae32a1SGerd Hoffmann 3188f1ae32a1SGerd Hoffmann static int xhci_find_slotid(XHCIState *xhci, USBDevice *dev) 3189f1ae32a1SGerd Hoffmann { 3190f1ae32a1SGerd Hoffmann XHCISlot *slot; 3191f1ae32a1SGerd Hoffmann int slotid; 3192f1ae32a1SGerd Hoffmann 319391062ae0SGerd Hoffmann for (slotid = 1; slotid <= xhci->numslots; slotid++) { 3194f1ae32a1SGerd Hoffmann slot = &xhci->slots[slotid-1]; 3195f1ae32a1SGerd Hoffmann if (slot->devaddr == dev->addr) { 3196f1ae32a1SGerd Hoffmann return slotid; 3197f1ae32a1SGerd Hoffmann } 3198f1ae32a1SGerd Hoffmann } 3199f1ae32a1SGerd Hoffmann return 0; 3200f1ae32a1SGerd Hoffmann } 3201f1ae32a1SGerd Hoffmann 3202f1ae32a1SGerd Hoffmann static int xhci_find_epid(USBEndpoint *ep) 3203f1ae32a1SGerd Hoffmann { 3204f1ae32a1SGerd Hoffmann if (ep->nr == 0) { 3205f1ae32a1SGerd Hoffmann return 1; 3206f1ae32a1SGerd Hoffmann } 3207f1ae32a1SGerd Hoffmann if (ep->pid == USB_TOKEN_IN) { 3208f1ae32a1SGerd Hoffmann return ep->nr * 2 + 1; 3209f1ae32a1SGerd Hoffmann } else { 3210f1ae32a1SGerd Hoffmann return ep->nr * 2; 3211f1ae32a1SGerd Hoffmann } 3212f1ae32a1SGerd Hoffmann } 3213f1ae32a1SGerd Hoffmann 32148550a02dSGerd Hoffmann static void xhci_wakeup_endpoint(USBBus *bus, USBEndpoint *ep, 32158550a02dSGerd Hoffmann unsigned int stream) 3216f1ae32a1SGerd Hoffmann { 3217f1ae32a1SGerd Hoffmann XHCIState *xhci = container_of(bus, XHCIState, bus); 3218f1ae32a1SGerd Hoffmann int slotid; 3219f1ae32a1SGerd Hoffmann 3220f1ae32a1SGerd Hoffmann DPRINTF("%s\n", __func__); 3221f1ae32a1SGerd Hoffmann slotid = xhci_find_slotid(xhci, ep->dev); 3222f1ae32a1SGerd Hoffmann if (slotid == 0 || !xhci->slots[slotid-1].enabled) { 3223f1ae32a1SGerd Hoffmann DPRINTF("%s: oops, no slot for dev %d\n", __func__, ep->dev->addr); 3224f1ae32a1SGerd Hoffmann return; 3225f1ae32a1SGerd Hoffmann } 3226*024426acSGerd Hoffmann xhci_kick_ep(xhci, slotid, xhci_find_epid(ep), stream); 3227f1ae32a1SGerd Hoffmann } 3228f1ae32a1SGerd Hoffmann 3229f1ae32a1SGerd Hoffmann static USBBusOps xhci_bus_ops = { 3230f1ae32a1SGerd Hoffmann .wakeup_endpoint = xhci_wakeup_endpoint, 3231f1ae32a1SGerd Hoffmann }; 3232f1ae32a1SGerd Hoffmann 3233f1ae32a1SGerd Hoffmann static void usb_xhci_init(XHCIState *xhci, DeviceState *dev) 3234f1ae32a1SGerd Hoffmann { 32350846e635SGerd Hoffmann XHCIPort *port; 32360846e635SGerd Hoffmann int i, usbports, speedmask; 3237f1ae32a1SGerd Hoffmann 3238f1ae32a1SGerd Hoffmann xhci->usbsts = USBSTS_HCH; 3239f1ae32a1SGerd Hoffmann 32400846e635SGerd Hoffmann if (xhci->numports_2 > MAXPORTS_2) { 32410846e635SGerd Hoffmann xhci->numports_2 = MAXPORTS_2; 32420846e635SGerd Hoffmann } 32430846e635SGerd Hoffmann if (xhci->numports_3 > MAXPORTS_3) { 32440846e635SGerd Hoffmann xhci->numports_3 = MAXPORTS_3; 32450846e635SGerd Hoffmann } 32460846e635SGerd Hoffmann usbports = MAX(xhci->numports_2, xhci->numports_3); 32470846e635SGerd Hoffmann xhci->numports = xhci->numports_2 + xhci->numports_3; 32480846e635SGerd Hoffmann 3249f1ae32a1SGerd Hoffmann usb_bus_new(&xhci->bus, &xhci_bus_ops, &xhci->pci_dev.qdev); 3250f1ae32a1SGerd Hoffmann 32510846e635SGerd Hoffmann for (i = 0; i < usbports; i++) { 32520846e635SGerd Hoffmann speedmask = 0; 32530846e635SGerd Hoffmann if (i < xhci->numports_2) { 32540846e635SGerd Hoffmann port = &xhci->ports[i]; 32550846e635SGerd Hoffmann port->portnr = i + 1; 32560846e635SGerd Hoffmann port->uport = &xhci->uports[i]; 32570846e635SGerd Hoffmann port->speedmask = 3258f1ae32a1SGerd Hoffmann USB_SPEED_MASK_LOW | 3259f1ae32a1SGerd Hoffmann USB_SPEED_MASK_FULL | 32600846e635SGerd Hoffmann USB_SPEED_MASK_HIGH; 32611d8a4e69SGerd Hoffmann snprintf(port->name, sizeof(port->name), "usb2 port #%d", i+1); 32620846e635SGerd Hoffmann speedmask |= port->speedmask; 3263f1ae32a1SGerd Hoffmann } 32640846e635SGerd Hoffmann if (i < xhci->numports_3) { 32650846e635SGerd Hoffmann port = &xhci->ports[i + xhci->numports_2]; 32660846e635SGerd Hoffmann port->portnr = i + 1 + xhci->numports_2; 32670846e635SGerd Hoffmann port->uport = &xhci->uports[i]; 32680846e635SGerd Hoffmann port->speedmask = USB_SPEED_MASK_SUPER; 32691d8a4e69SGerd Hoffmann snprintf(port->name, sizeof(port->name), "usb3 port #%d", i+1); 32700846e635SGerd Hoffmann speedmask |= port->speedmask; 32710846e635SGerd Hoffmann } 32720846e635SGerd Hoffmann usb_register_port(&xhci->bus, &xhci->uports[i], xhci, i, 32731d8a4e69SGerd Hoffmann &xhci_uport_ops, speedmask); 3274f1ae32a1SGerd Hoffmann } 3275f1ae32a1SGerd Hoffmann } 3276f1ae32a1SGerd Hoffmann 3277f1ae32a1SGerd Hoffmann static int usb_xhci_initfn(struct PCIDevice *dev) 3278f1ae32a1SGerd Hoffmann { 32791d8a4e69SGerd Hoffmann int i, ret; 3280f1ae32a1SGerd Hoffmann 3281f1ae32a1SGerd Hoffmann XHCIState *xhci = DO_UPCAST(XHCIState, pci_dev, dev); 3282f1ae32a1SGerd Hoffmann 3283f1ae32a1SGerd Hoffmann xhci->pci_dev.config[PCI_CLASS_PROG] = 0x30; /* xHCI */ 3284f1ae32a1SGerd Hoffmann xhci->pci_dev.config[PCI_INTERRUPT_PIN] = 0x01; /* interrupt pin 1 */ 3285f1ae32a1SGerd Hoffmann xhci->pci_dev.config[PCI_CACHE_LINE_SIZE] = 0x10; 3286f1ae32a1SGerd Hoffmann xhci->pci_dev.config[0x60] = 0x30; /* release number */ 3287f1ae32a1SGerd Hoffmann 3288f1ae32a1SGerd Hoffmann usb_xhci_init(xhci, &dev->qdev); 3289f1ae32a1SGerd Hoffmann 329091062ae0SGerd Hoffmann if (xhci->numintrs > MAXINTRS) { 329191062ae0SGerd Hoffmann xhci->numintrs = MAXINTRS; 329291062ae0SGerd Hoffmann } 329391062ae0SGerd Hoffmann if (xhci->numintrs < 1) { 329491062ae0SGerd Hoffmann xhci->numintrs = 1; 329591062ae0SGerd Hoffmann } 329691062ae0SGerd Hoffmann if (xhci->numslots > MAXSLOTS) { 329791062ae0SGerd Hoffmann xhci->numslots = MAXSLOTS; 329891062ae0SGerd Hoffmann } 329991062ae0SGerd Hoffmann if (xhci->numslots < 1) { 330091062ae0SGerd Hoffmann xhci->numslots = 1; 330191062ae0SGerd Hoffmann } 330291062ae0SGerd Hoffmann 330301546fa6SGerd Hoffmann xhci->mfwrap_timer = qemu_new_timer_ns(vm_clock, xhci_mfwrap_timer, xhci); 330401546fa6SGerd Hoffmann 3305f1ae32a1SGerd Hoffmann xhci->irq = xhci->pci_dev.irq[0]; 3306f1ae32a1SGerd Hoffmann 33071b067564SGerd Hoffmann memory_region_init(&xhci->mem, "xhci", LEN_REGS); 33081b067564SGerd Hoffmann memory_region_init_io(&xhci->mem_cap, &xhci_cap_ops, xhci, 33091b067564SGerd Hoffmann "capabilities", LEN_CAP); 33101b067564SGerd Hoffmann memory_region_init_io(&xhci->mem_oper, &xhci_oper_ops, xhci, 33111d8a4e69SGerd Hoffmann "operational", 0x400); 33121b067564SGerd Hoffmann memory_region_init_io(&xhci->mem_runtime, &xhci_runtime_ops, xhci, 33131b067564SGerd Hoffmann "runtime", LEN_RUNTIME); 33141b067564SGerd Hoffmann memory_region_init_io(&xhci->mem_doorbell, &xhci_doorbell_ops, xhci, 33151b067564SGerd Hoffmann "doorbell", LEN_DOORBELL); 33161b067564SGerd Hoffmann 33171b067564SGerd Hoffmann memory_region_add_subregion(&xhci->mem, 0, &xhci->mem_cap); 33181b067564SGerd Hoffmann memory_region_add_subregion(&xhci->mem, OFF_OPER, &xhci->mem_oper); 33191b067564SGerd Hoffmann memory_region_add_subregion(&xhci->mem, OFF_RUNTIME, &xhci->mem_runtime); 33201b067564SGerd Hoffmann memory_region_add_subregion(&xhci->mem, OFF_DOORBELL, &xhci->mem_doorbell); 33211b067564SGerd Hoffmann 33221d8a4e69SGerd Hoffmann for (i = 0; i < xhci->numports; i++) { 33231d8a4e69SGerd Hoffmann XHCIPort *port = &xhci->ports[i]; 33241d8a4e69SGerd Hoffmann uint32_t offset = OFF_OPER + 0x400 + 0x10 * i; 33251d8a4e69SGerd Hoffmann port->xhci = xhci; 33261d8a4e69SGerd Hoffmann memory_region_init_io(&port->mem, &xhci_port_ops, port, 33271d8a4e69SGerd Hoffmann port->name, 0x10); 33281d8a4e69SGerd Hoffmann memory_region_add_subregion(&xhci->mem, offset, &port->mem); 33291d8a4e69SGerd Hoffmann } 33301d8a4e69SGerd Hoffmann 3331f1ae32a1SGerd Hoffmann pci_register_bar(&xhci->pci_dev, 0, 3332f1ae32a1SGerd Hoffmann PCI_BASE_ADDRESS_SPACE_MEMORY|PCI_BASE_ADDRESS_MEM_TYPE_64, 3333f1ae32a1SGerd Hoffmann &xhci->mem); 3334f1ae32a1SGerd Hoffmann 3335f1ae32a1SGerd Hoffmann ret = pcie_cap_init(&xhci->pci_dev, 0xa0, PCI_EXP_TYPE_ENDPOINT, 0); 3336f1ae32a1SGerd Hoffmann assert(ret >= 0); 3337f1ae32a1SGerd Hoffmann 3338c5e9b02dSGerd Hoffmann if (xhci->flags & (1 << XHCI_FLAG_USE_MSI)) { 333991062ae0SGerd Hoffmann msi_init(&xhci->pci_dev, 0x70, xhci->numintrs, true, false); 3340f1ae32a1SGerd Hoffmann } 33414c47f800SGerd Hoffmann if (xhci->flags & (1 << XHCI_FLAG_USE_MSI_X)) { 334291062ae0SGerd Hoffmann msix_init(&xhci->pci_dev, xhci->numintrs, 33434c47f800SGerd Hoffmann &xhci->mem, 0, OFF_MSIX_TABLE, 33444c47f800SGerd Hoffmann &xhci->mem, 0, OFF_MSIX_PBA, 33454c47f800SGerd Hoffmann 0x90); 33464c47f800SGerd Hoffmann } 3347f1ae32a1SGerd Hoffmann 3348f1ae32a1SGerd Hoffmann return 0; 3349f1ae32a1SGerd Hoffmann } 3350f1ae32a1SGerd Hoffmann 3351f1ae32a1SGerd Hoffmann static const VMStateDescription vmstate_xhci = { 3352f1ae32a1SGerd Hoffmann .name = "xhci", 3353f1ae32a1SGerd Hoffmann .unmigratable = 1, 3354f1ae32a1SGerd Hoffmann }; 3355f1ae32a1SGerd Hoffmann 3356f1ae32a1SGerd Hoffmann static Property xhci_properties[] = { 3357c5e9b02dSGerd Hoffmann DEFINE_PROP_BIT("msi", XHCIState, flags, XHCI_FLAG_USE_MSI, true), 33584c47f800SGerd Hoffmann DEFINE_PROP_BIT("msix", XHCIState, flags, XHCI_FLAG_USE_MSI_X, true), 335991062ae0SGerd Hoffmann DEFINE_PROP_UINT32("intrs", XHCIState, numintrs, MAXINTRS), 336091062ae0SGerd Hoffmann DEFINE_PROP_UINT32("slots", XHCIState, numslots, MAXSLOTS), 33610846e635SGerd Hoffmann DEFINE_PROP_UINT32("p2", XHCIState, numports_2, 4), 33620846e635SGerd Hoffmann DEFINE_PROP_UINT32("p3", XHCIState, numports_3, 4), 3363f1ae32a1SGerd Hoffmann DEFINE_PROP_END_OF_LIST(), 3364f1ae32a1SGerd Hoffmann }; 3365f1ae32a1SGerd Hoffmann 3366f1ae32a1SGerd Hoffmann static void xhci_class_init(ObjectClass *klass, void *data) 3367f1ae32a1SGerd Hoffmann { 3368f1ae32a1SGerd Hoffmann PCIDeviceClass *k = PCI_DEVICE_CLASS(klass); 3369f1ae32a1SGerd Hoffmann DeviceClass *dc = DEVICE_CLASS(klass); 3370f1ae32a1SGerd Hoffmann 3371f1ae32a1SGerd Hoffmann dc->vmsd = &vmstate_xhci; 3372f1ae32a1SGerd Hoffmann dc->props = xhci_properties; 337364619739SJan Kiszka dc->reset = xhci_reset; 3374f1ae32a1SGerd Hoffmann k->init = usb_xhci_initfn; 3375f1ae32a1SGerd Hoffmann k->vendor_id = PCI_VENDOR_ID_NEC; 3376f1ae32a1SGerd Hoffmann k->device_id = PCI_DEVICE_ID_NEC_UPD720200; 3377f1ae32a1SGerd Hoffmann k->class_id = PCI_CLASS_SERIAL_USB; 3378f1ae32a1SGerd Hoffmann k->revision = 0x03; 3379f1ae32a1SGerd Hoffmann k->is_express = 1; 33806c2d1c32SGerd Hoffmann k->no_hotplug = 1; 3381f1ae32a1SGerd Hoffmann } 3382f1ae32a1SGerd Hoffmann 33838c43a6f0SAndreas Färber static const TypeInfo xhci_info = { 3384f1ae32a1SGerd Hoffmann .name = "nec-usb-xhci", 3385f1ae32a1SGerd Hoffmann .parent = TYPE_PCI_DEVICE, 3386f1ae32a1SGerd Hoffmann .instance_size = sizeof(XHCIState), 3387f1ae32a1SGerd Hoffmann .class_init = xhci_class_init, 3388f1ae32a1SGerd Hoffmann }; 3389f1ae32a1SGerd Hoffmann 3390f1ae32a1SGerd Hoffmann static void xhci_register_types(void) 3391f1ae32a1SGerd Hoffmann { 3392f1ae32a1SGerd Hoffmann type_register_static(&xhci_info); 3393f1ae32a1SGerd Hoffmann } 3394f1ae32a1SGerd Hoffmann 3395f1ae32a1SGerd Hoffmann type_init(xhci_register_types) 3396