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 */ 21e532b2e0SPeter Maydell #include "qemu/osdep.h" 22f1ae32a1SGerd Hoffmann #include "hw/hw.h" 231de7afc9SPaolo Bonzini #include "qemu/timer.h" 2494b037f2SGerd Hoffmann #include "qemu/queue.h" 25f1ae32a1SGerd Hoffmann #include "hw/usb.h" 26a2cb15b0SMichael S. Tsirkin #include "hw/pci/pci.h" 27a2cb15b0SMichael S. Tsirkin #include "hw/pci/msi.h" 28a2cb15b0SMichael S. Tsirkin #include "hw/pci/msix.h" 292d754a10SGerd Hoffmann #include "trace.h" 301108b2f8SCao jin #include "qapi/error.h" 31f1ae32a1SGerd Hoffmann 32f1ae32a1SGerd Hoffmann //#define DEBUG_XHCI 33f1ae32a1SGerd Hoffmann //#define DEBUG_DATA 34f1ae32a1SGerd Hoffmann 35f1ae32a1SGerd Hoffmann #ifdef DEBUG_XHCI 36f1ae32a1SGerd Hoffmann #define DPRINTF(...) fprintf(stderr, __VA_ARGS__) 37f1ae32a1SGerd Hoffmann #else 38f1ae32a1SGerd Hoffmann #define DPRINTF(...) do {} while (0) 39f1ae32a1SGerd Hoffmann #endif 40024426acSGerd Hoffmann #define FIXME(_msg) do { fprintf(stderr, "FIXME %s:%d %s\n", \ 41024426acSGerd Hoffmann __func__, __LINE__, _msg); abort(); } while (0) 42f1ae32a1SGerd Hoffmann 43d95e74eaSGerd Hoffmann #define MAXPORTS_2 15 44d95e74eaSGerd Hoffmann #define MAXPORTS_3 15 45f1ae32a1SGerd Hoffmann 460846e635SGerd Hoffmann #define MAXPORTS (MAXPORTS_2+MAXPORTS_3) 47d95e74eaSGerd Hoffmann #define MAXSLOTS 64 48d95e74eaSGerd Hoffmann #define MAXINTRS 16 49f1ae32a1SGerd Hoffmann 50f1ae32a1SGerd Hoffmann /* Very pessimistic, let's hope it's enough for all cases */ 511fe163feSGerd Hoffmann #define EV_QUEUE (((3 * 24) + 16) * MAXSLOTS) 52f1ae32a1SGerd Hoffmann 5305f43d44SGerd Hoffmann #define TRB_LINK_LIMIT 4 54f89b60f6SGerd Hoffmann #define COMMAND_LIMIT 256 55f89b60f6SGerd Hoffmann #define TRANSFER_LIMIT 256 5605f43d44SGerd Hoffmann 57f1ae32a1SGerd Hoffmann #define LEN_CAP 0x40 58f1ae32a1SGerd Hoffmann #define LEN_OPER (0x400 + 0x10 * MAXPORTS) 59106b214cSGerd Hoffmann #define LEN_RUNTIME ((MAXINTRS + 1) * 0x20) 60f1ae32a1SGerd Hoffmann #define LEN_DOORBELL ((MAXSLOTS + 1) * 0x20) 61f1ae32a1SGerd Hoffmann 62106b214cSGerd Hoffmann #define OFF_OPER LEN_CAP 63106b214cSGerd Hoffmann #define OFF_RUNTIME 0x1000 64106b214cSGerd Hoffmann #define OFF_DOORBELL 0x2000 654c47f800SGerd Hoffmann #define OFF_MSIX_TABLE 0x3000 664c47f800SGerd Hoffmann #define OFF_MSIX_PBA 0x3800 67f1ae32a1SGerd Hoffmann /* must be power of 2 */ 68106b214cSGerd Hoffmann #define LEN_REGS 0x4000 69f1ae32a1SGerd Hoffmann 70106b214cSGerd Hoffmann #if (OFF_OPER + LEN_OPER) > OFF_RUNTIME 71106b214cSGerd Hoffmann #error Increase OFF_RUNTIME 72106b214cSGerd Hoffmann #endif 73106b214cSGerd Hoffmann #if (OFF_RUNTIME + LEN_RUNTIME) > OFF_DOORBELL 74106b214cSGerd Hoffmann #error Increase OFF_DOORBELL 75106b214cSGerd Hoffmann #endif 76f1ae32a1SGerd Hoffmann #if (OFF_DOORBELL + LEN_DOORBELL) > LEN_REGS 77f1ae32a1SGerd Hoffmann # error Increase LEN_REGS 78f1ae32a1SGerd Hoffmann #endif 79f1ae32a1SGerd Hoffmann 80f1ae32a1SGerd Hoffmann /* bit definitions */ 81f1ae32a1SGerd Hoffmann #define USBCMD_RS (1<<0) 82f1ae32a1SGerd Hoffmann #define USBCMD_HCRST (1<<1) 83f1ae32a1SGerd Hoffmann #define USBCMD_INTE (1<<2) 84f1ae32a1SGerd Hoffmann #define USBCMD_HSEE (1<<3) 85f1ae32a1SGerd Hoffmann #define USBCMD_LHCRST (1<<7) 86f1ae32a1SGerd Hoffmann #define USBCMD_CSS (1<<8) 87f1ae32a1SGerd Hoffmann #define USBCMD_CRS (1<<9) 88f1ae32a1SGerd Hoffmann #define USBCMD_EWE (1<<10) 89f1ae32a1SGerd Hoffmann #define USBCMD_EU3S (1<<11) 90f1ae32a1SGerd Hoffmann 91f1ae32a1SGerd Hoffmann #define USBSTS_HCH (1<<0) 92f1ae32a1SGerd Hoffmann #define USBSTS_HSE (1<<2) 93f1ae32a1SGerd Hoffmann #define USBSTS_EINT (1<<3) 94f1ae32a1SGerd Hoffmann #define USBSTS_PCD (1<<4) 95f1ae32a1SGerd Hoffmann #define USBSTS_SSS (1<<8) 96f1ae32a1SGerd Hoffmann #define USBSTS_RSS (1<<9) 97f1ae32a1SGerd Hoffmann #define USBSTS_SRE (1<<10) 98f1ae32a1SGerd Hoffmann #define USBSTS_CNR (1<<11) 99f1ae32a1SGerd Hoffmann #define USBSTS_HCE (1<<12) 100f1ae32a1SGerd Hoffmann 101f1ae32a1SGerd Hoffmann 102f1ae32a1SGerd Hoffmann #define PORTSC_CCS (1<<0) 103f1ae32a1SGerd Hoffmann #define PORTSC_PED (1<<1) 104f1ae32a1SGerd Hoffmann #define PORTSC_OCA (1<<3) 105f1ae32a1SGerd Hoffmann #define PORTSC_PR (1<<4) 106f1ae32a1SGerd Hoffmann #define PORTSC_PLS_SHIFT 5 107f1ae32a1SGerd Hoffmann #define PORTSC_PLS_MASK 0xf 108f1ae32a1SGerd Hoffmann #define PORTSC_PP (1<<9) 109f1ae32a1SGerd Hoffmann #define PORTSC_SPEED_SHIFT 10 110f1ae32a1SGerd Hoffmann #define PORTSC_SPEED_MASK 0xf 111f1ae32a1SGerd Hoffmann #define PORTSC_SPEED_FULL (1<<10) 112f1ae32a1SGerd Hoffmann #define PORTSC_SPEED_LOW (2<<10) 113f1ae32a1SGerd Hoffmann #define PORTSC_SPEED_HIGH (3<<10) 114f1ae32a1SGerd Hoffmann #define PORTSC_SPEED_SUPER (4<<10) 115f1ae32a1SGerd Hoffmann #define PORTSC_PIC_SHIFT 14 116f1ae32a1SGerd Hoffmann #define PORTSC_PIC_MASK 0x3 117f1ae32a1SGerd Hoffmann #define PORTSC_LWS (1<<16) 118f1ae32a1SGerd Hoffmann #define PORTSC_CSC (1<<17) 119f1ae32a1SGerd Hoffmann #define PORTSC_PEC (1<<18) 120f1ae32a1SGerd Hoffmann #define PORTSC_WRC (1<<19) 121f1ae32a1SGerd Hoffmann #define PORTSC_OCC (1<<20) 122f1ae32a1SGerd Hoffmann #define PORTSC_PRC (1<<21) 123f1ae32a1SGerd Hoffmann #define PORTSC_PLC (1<<22) 124f1ae32a1SGerd Hoffmann #define PORTSC_CEC (1<<23) 125f1ae32a1SGerd Hoffmann #define PORTSC_CAS (1<<24) 126f1ae32a1SGerd Hoffmann #define PORTSC_WCE (1<<25) 127f1ae32a1SGerd Hoffmann #define PORTSC_WDE (1<<26) 128f1ae32a1SGerd Hoffmann #define PORTSC_WOE (1<<27) 129f1ae32a1SGerd Hoffmann #define PORTSC_DR (1<<30) 130f1ae32a1SGerd Hoffmann #define PORTSC_WPR (1<<31) 131f1ae32a1SGerd Hoffmann 132f1ae32a1SGerd Hoffmann #define CRCR_RCS (1<<0) 133f1ae32a1SGerd Hoffmann #define CRCR_CS (1<<1) 134f1ae32a1SGerd Hoffmann #define CRCR_CA (1<<2) 135f1ae32a1SGerd Hoffmann #define CRCR_CRR (1<<3) 136f1ae32a1SGerd Hoffmann 137f1ae32a1SGerd Hoffmann #define IMAN_IP (1<<0) 138f1ae32a1SGerd Hoffmann #define IMAN_IE (1<<1) 139f1ae32a1SGerd Hoffmann 140f1ae32a1SGerd Hoffmann #define ERDP_EHB (1<<3) 141f1ae32a1SGerd Hoffmann 142f1ae32a1SGerd Hoffmann #define TRB_SIZE 16 143f1ae32a1SGerd Hoffmann typedef struct XHCITRB { 144f1ae32a1SGerd Hoffmann uint64_t parameter; 145f1ae32a1SGerd Hoffmann uint32_t status; 146f1ae32a1SGerd Hoffmann uint32_t control; 14759a70ccdSDavid Gibson dma_addr_t addr; 148f1ae32a1SGerd Hoffmann bool ccs; 149f1ae32a1SGerd Hoffmann } XHCITRB; 150f1ae32a1SGerd Hoffmann 15185e05d82SGerd Hoffmann enum { 15285e05d82SGerd Hoffmann PLS_U0 = 0, 15385e05d82SGerd Hoffmann PLS_U1 = 1, 15485e05d82SGerd Hoffmann PLS_U2 = 2, 15585e05d82SGerd Hoffmann PLS_U3 = 3, 15685e05d82SGerd Hoffmann PLS_DISABLED = 4, 15785e05d82SGerd Hoffmann PLS_RX_DETECT = 5, 15885e05d82SGerd Hoffmann PLS_INACTIVE = 6, 15985e05d82SGerd Hoffmann PLS_POLLING = 7, 16085e05d82SGerd Hoffmann PLS_RECOVERY = 8, 16185e05d82SGerd Hoffmann PLS_HOT_RESET = 9, 16285e05d82SGerd Hoffmann PLS_COMPILANCE_MODE = 10, 16385e05d82SGerd Hoffmann PLS_TEST_MODE = 11, 16485e05d82SGerd Hoffmann PLS_RESUME = 15, 16585e05d82SGerd Hoffmann }; 166f1ae32a1SGerd Hoffmann 167f1ae32a1SGerd Hoffmann typedef enum TRBType { 168f1ae32a1SGerd Hoffmann TRB_RESERVED = 0, 169f1ae32a1SGerd Hoffmann TR_NORMAL, 170f1ae32a1SGerd Hoffmann TR_SETUP, 171f1ae32a1SGerd Hoffmann TR_DATA, 172f1ae32a1SGerd Hoffmann TR_STATUS, 173f1ae32a1SGerd Hoffmann TR_ISOCH, 174f1ae32a1SGerd Hoffmann TR_LINK, 175f1ae32a1SGerd Hoffmann TR_EVDATA, 176f1ae32a1SGerd Hoffmann TR_NOOP, 177f1ae32a1SGerd Hoffmann CR_ENABLE_SLOT, 178f1ae32a1SGerd Hoffmann CR_DISABLE_SLOT, 179f1ae32a1SGerd Hoffmann CR_ADDRESS_DEVICE, 180f1ae32a1SGerd Hoffmann CR_CONFIGURE_ENDPOINT, 181f1ae32a1SGerd Hoffmann CR_EVALUATE_CONTEXT, 182f1ae32a1SGerd Hoffmann CR_RESET_ENDPOINT, 183f1ae32a1SGerd Hoffmann CR_STOP_ENDPOINT, 184f1ae32a1SGerd Hoffmann CR_SET_TR_DEQUEUE, 185f1ae32a1SGerd Hoffmann CR_RESET_DEVICE, 186f1ae32a1SGerd Hoffmann CR_FORCE_EVENT, 187f1ae32a1SGerd Hoffmann CR_NEGOTIATE_BW, 188f1ae32a1SGerd Hoffmann CR_SET_LATENCY_TOLERANCE, 189f1ae32a1SGerd Hoffmann CR_GET_PORT_BANDWIDTH, 190f1ae32a1SGerd Hoffmann CR_FORCE_HEADER, 191f1ae32a1SGerd Hoffmann CR_NOOP, 192f1ae32a1SGerd Hoffmann ER_TRANSFER = 32, 193f1ae32a1SGerd Hoffmann ER_COMMAND_COMPLETE, 194f1ae32a1SGerd Hoffmann ER_PORT_STATUS_CHANGE, 195f1ae32a1SGerd Hoffmann ER_BANDWIDTH_REQUEST, 196f1ae32a1SGerd Hoffmann ER_DOORBELL, 197f1ae32a1SGerd Hoffmann ER_HOST_CONTROLLER, 198f1ae32a1SGerd Hoffmann ER_DEVICE_NOTIFICATION, 199f1ae32a1SGerd Hoffmann ER_MFINDEX_WRAP, 200f1ae32a1SGerd Hoffmann /* vendor specific bits */ 201f1ae32a1SGerd Hoffmann CR_VENDOR_NEC_FIRMWARE_REVISION = 49, 202f1ae32a1SGerd Hoffmann CR_VENDOR_NEC_CHALLENGE_RESPONSE = 50, 203f1ae32a1SGerd Hoffmann } TRBType; 204f1ae32a1SGerd Hoffmann 205f1ae32a1SGerd Hoffmann #define CR_LINK TR_LINK 206f1ae32a1SGerd Hoffmann 207f1ae32a1SGerd Hoffmann typedef enum TRBCCode { 208f1ae32a1SGerd Hoffmann CC_INVALID = 0, 209f1ae32a1SGerd Hoffmann CC_SUCCESS, 210f1ae32a1SGerd Hoffmann CC_DATA_BUFFER_ERROR, 211f1ae32a1SGerd Hoffmann CC_BABBLE_DETECTED, 212f1ae32a1SGerd Hoffmann CC_USB_TRANSACTION_ERROR, 213f1ae32a1SGerd Hoffmann CC_TRB_ERROR, 214f1ae32a1SGerd Hoffmann CC_STALL_ERROR, 215f1ae32a1SGerd Hoffmann CC_RESOURCE_ERROR, 216f1ae32a1SGerd Hoffmann CC_BANDWIDTH_ERROR, 217f1ae32a1SGerd Hoffmann CC_NO_SLOTS_ERROR, 218f1ae32a1SGerd Hoffmann CC_INVALID_STREAM_TYPE_ERROR, 219f1ae32a1SGerd Hoffmann CC_SLOT_NOT_ENABLED_ERROR, 220f1ae32a1SGerd Hoffmann CC_EP_NOT_ENABLED_ERROR, 221f1ae32a1SGerd Hoffmann CC_SHORT_PACKET, 222f1ae32a1SGerd Hoffmann CC_RING_UNDERRUN, 223f1ae32a1SGerd Hoffmann CC_RING_OVERRUN, 224f1ae32a1SGerd Hoffmann CC_VF_ER_FULL, 225f1ae32a1SGerd Hoffmann CC_PARAMETER_ERROR, 226f1ae32a1SGerd Hoffmann CC_BANDWIDTH_OVERRUN, 227f1ae32a1SGerd Hoffmann CC_CONTEXT_STATE_ERROR, 228f1ae32a1SGerd Hoffmann CC_NO_PING_RESPONSE_ERROR, 229f1ae32a1SGerd Hoffmann CC_EVENT_RING_FULL_ERROR, 230f1ae32a1SGerd Hoffmann CC_INCOMPATIBLE_DEVICE_ERROR, 231f1ae32a1SGerd Hoffmann CC_MISSED_SERVICE_ERROR, 232f1ae32a1SGerd Hoffmann CC_COMMAND_RING_STOPPED, 233f1ae32a1SGerd Hoffmann CC_COMMAND_ABORTED, 234f1ae32a1SGerd Hoffmann CC_STOPPED, 235f1ae32a1SGerd Hoffmann CC_STOPPED_LENGTH_INVALID, 236f1ae32a1SGerd Hoffmann CC_MAX_EXIT_LATENCY_TOO_LARGE_ERROR = 29, 237f1ae32a1SGerd Hoffmann CC_ISOCH_BUFFER_OVERRUN = 31, 238f1ae32a1SGerd Hoffmann CC_EVENT_LOST_ERROR, 239f1ae32a1SGerd Hoffmann CC_UNDEFINED_ERROR, 240f1ae32a1SGerd Hoffmann CC_INVALID_STREAM_ID_ERROR, 241f1ae32a1SGerd Hoffmann CC_SECONDARY_BANDWIDTH_ERROR, 242f1ae32a1SGerd Hoffmann CC_SPLIT_TRANSACTION_ERROR 243f1ae32a1SGerd Hoffmann } TRBCCode; 244f1ae32a1SGerd Hoffmann 245f1ae32a1SGerd Hoffmann #define TRB_C (1<<0) 246f1ae32a1SGerd Hoffmann #define TRB_TYPE_SHIFT 10 247f1ae32a1SGerd Hoffmann #define TRB_TYPE_MASK 0x3f 248f1ae32a1SGerd Hoffmann #define TRB_TYPE(t) (((t).control >> TRB_TYPE_SHIFT) & TRB_TYPE_MASK) 249f1ae32a1SGerd Hoffmann 250f1ae32a1SGerd Hoffmann #define TRB_EV_ED (1<<2) 251f1ae32a1SGerd Hoffmann 252f1ae32a1SGerd Hoffmann #define TRB_TR_ENT (1<<1) 253f1ae32a1SGerd Hoffmann #define TRB_TR_ISP (1<<2) 254f1ae32a1SGerd Hoffmann #define TRB_TR_NS (1<<3) 255f1ae32a1SGerd Hoffmann #define TRB_TR_CH (1<<4) 256f1ae32a1SGerd Hoffmann #define TRB_TR_IOC (1<<5) 257f1ae32a1SGerd Hoffmann #define TRB_TR_IDT (1<<6) 258f1ae32a1SGerd Hoffmann #define TRB_TR_TBC_SHIFT 7 259f1ae32a1SGerd Hoffmann #define TRB_TR_TBC_MASK 0x3 260f1ae32a1SGerd Hoffmann #define TRB_TR_BEI (1<<9) 261f1ae32a1SGerd Hoffmann #define TRB_TR_TLBPC_SHIFT 16 262f1ae32a1SGerd Hoffmann #define TRB_TR_TLBPC_MASK 0xf 263f1ae32a1SGerd Hoffmann #define TRB_TR_FRAMEID_SHIFT 20 264f1ae32a1SGerd Hoffmann #define TRB_TR_FRAMEID_MASK 0x7ff 265f1ae32a1SGerd Hoffmann #define TRB_TR_SIA (1<<31) 266f1ae32a1SGerd Hoffmann 267f1ae32a1SGerd Hoffmann #define TRB_TR_DIR (1<<16) 268f1ae32a1SGerd Hoffmann 269f1ae32a1SGerd Hoffmann #define TRB_CR_SLOTID_SHIFT 24 270f1ae32a1SGerd Hoffmann #define TRB_CR_SLOTID_MASK 0xff 271f1ae32a1SGerd Hoffmann #define TRB_CR_EPID_SHIFT 16 272f1ae32a1SGerd Hoffmann #define TRB_CR_EPID_MASK 0x1f 273f1ae32a1SGerd Hoffmann 274f1ae32a1SGerd Hoffmann #define TRB_CR_BSR (1<<9) 275f1ae32a1SGerd Hoffmann #define TRB_CR_DC (1<<9) 276f1ae32a1SGerd Hoffmann 277f1ae32a1SGerd Hoffmann #define TRB_LK_TC (1<<1) 278f1ae32a1SGerd Hoffmann 2792d1de850SGerd Hoffmann #define TRB_INTR_SHIFT 22 2802d1de850SGerd Hoffmann #define TRB_INTR_MASK 0x3ff 2812d1de850SGerd Hoffmann #define TRB_INTR(t) (((t).status >> TRB_INTR_SHIFT) & TRB_INTR_MASK) 2822d1de850SGerd Hoffmann 283f1ae32a1SGerd Hoffmann #define EP_TYPE_MASK 0x7 284f1ae32a1SGerd Hoffmann #define EP_TYPE_SHIFT 3 285f1ae32a1SGerd Hoffmann 286f1ae32a1SGerd Hoffmann #define EP_STATE_MASK 0x7 287f1ae32a1SGerd Hoffmann #define EP_DISABLED (0<<0) 288f1ae32a1SGerd Hoffmann #define EP_RUNNING (1<<0) 289f1ae32a1SGerd Hoffmann #define EP_HALTED (2<<0) 290f1ae32a1SGerd Hoffmann #define EP_STOPPED (3<<0) 291f1ae32a1SGerd Hoffmann #define EP_ERROR (4<<0) 292f1ae32a1SGerd Hoffmann 293f1ae32a1SGerd Hoffmann #define SLOT_STATE_MASK 0x1f 294f1ae32a1SGerd Hoffmann #define SLOT_STATE_SHIFT 27 295f1ae32a1SGerd Hoffmann #define SLOT_STATE(s) (((s)>>SLOT_STATE_SHIFT)&SLOT_STATE_MASK) 296f1ae32a1SGerd Hoffmann #define SLOT_ENABLED 0 297f1ae32a1SGerd Hoffmann #define SLOT_DEFAULT 1 298f1ae32a1SGerd Hoffmann #define SLOT_ADDRESSED 2 299f1ae32a1SGerd Hoffmann #define SLOT_CONFIGURED 3 300f1ae32a1SGerd Hoffmann 301f1ae32a1SGerd Hoffmann #define SLOT_CONTEXT_ENTRIES_MASK 0x1f 302f1ae32a1SGerd Hoffmann #define SLOT_CONTEXT_ENTRIES_SHIFT 27 303f1ae32a1SGerd Hoffmann 3041d8a4e69SGerd Hoffmann typedef struct XHCIState XHCIState; 305024426acSGerd Hoffmann typedef struct XHCIStreamContext XHCIStreamContext; 306024426acSGerd Hoffmann typedef struct XHCIEPContext XHCIEPContext; 3071d8a4e69SGerd Hoffmann 30885e05d82SGerd Hoffmann #define get_field(data, field) \ 30985e05d82SGerd Hoffmann (((data) >> field##_SHIFT) & field##_MASK) 31085e05d82SGerd Hoffmann 31185e05d82SGerd Hoffmann #define set_field(data, newval, field) do { \ 31285e05d82SGerd Hoffmann uint32_t val = *data; \ 31385e05d82SGerd Hoffmann val &= ~(field##_MASK << field##_SHIFT); \ 31485e05d82SGerd Hoffmann val |= ((newval) & field##_MASK) << field##_SHIFT; \ 31585e05d82SGerd Hoffmann *data = val; \ 31685e05d82SGerd Hoffmann } while (0) 31785e05d82SGerd Hoffmann 318f1ae32a1SGerd Hoffmann typedef enum EPType { 319f1ae32a1SGerd Hoffmann ET_INVALID = 0, 320f1ae32a1SGerd Hoffmann ET_ISO_OUT, 321f1ae32a1SGerd Hoffmann ET_BULK_OUT, 322f1ae32a1SGerd Hoffmann ET_INTR_OUT, 323f1ae32a1SGerd Hoffmann ET_CONTROL, 324f1ae32a1SGerd Hoffmann ET_ISO_IN, 325f1ae32a1SGerd Hoffmann ET_BULK_IN, 326f1ae32a1SGerd Hoffmann ET_INTR_IN, 327f1ae32a1SGerd Hoffmann } EPType; 328f1ae32a1SGerd Hoffmann 329f1ae32a1SGerd Hoffmann typedef struct XHCIRing { 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 { 34594b037f2SGerd Hoffmann XHCIEPContext *epctx; 346f1ae32a1SGerd Hoffmann USBPacket packet; 347d5a15814SGerd Hoffmann QEMUSGList sgl; 348f1ae32a1SGerd Hoffmann bool running_async; 349f1ae32a1SGerd Hoffmann bool running_retry; 350f1ae32a1SGerd Hoffmann bool complete; 351a6fb2ddbSHans de Goede bool int_req; 352f1ae32a1SGerd Hoffmann unsigned int iso_pkts; 353024426acSGerd Hoffmann unsigned int streamid; 354f1ae32a1SGerd Hoffmann bool in_xfer; 355f1ae32a1SGerd Hoffmann bool iso_xfer; 3564d7a81c0SGerd Hoffmann bool timed_xfer; 357f1ae32a1SGerd Hoffmann 358f1ae32a1SGerd Hoffmann unsigned int trb_count; 359f1ae32a1SGerd Hoffmann XHCITRB *trbs; 360f1ae32a1SGerd Hoffmann 361f1ae32a1SGerd Hoffmann TRBCCode status; 362f1ae32a1SGerd Hoffmann 363f1ae32a1SGerd Hoffmann unsigned int pkts; 364f1ae32a1SGerd Hoffmann unsigned int pktsize; 365f1ae32a1SGerd Hoffmann unsigned int cur_pkt; 3663d139684SGerd Hoffmann 3673d139684SGerd Hoffmann uint64_t mfindex_kick; 36894b037f2SGerd Hoffmann 36994b037f2SGerd Hoffmann QTAILQ_ENTRY(XHCITransfer) next; 370f1ae32a1SGerd Hoffmann } XHCITransfer; 371f1ae32a1SGerd Hoffmann 372024426acSGerd Hoffmann struct XHCIStreamContext { 373024426acSGerd Hoffmann dma_addr_t pctx; 374024426acSGerd Hoffmann unsigned int sct; 375024426acSGerd Hoffmann XHCIRing ring; 376024426acSGerd Hoffmann }; 377024426acSGerd Hoffmann 378024426acSGerd Hoffmann struct XHCIEPContext { 3793d139684SGerd Hoffmann XHCIState *xhci; 3803d139684SGerd Hoffmann unsigned int slotid; 3813d139684SGerd Hoffmann unsigned int epid; 3823d139684SGerd Hoffmann 383f1ae32a1SGerd Hoffmann XHCIRing ring; 38494b037f2SGerd Hoffmann uint32_t xfer_count; 38594b037f2SGerd Hoffmann QTAILQ_HEAD(, XHCITransfer) transfers; 386f1ae32a1SGerd Hoffmann XHCITransfer *retry; 387f1ae32a1SGerd Hoffmann EPType type; 38859a70ccdSDavid Gibson dma_addr_t pctx; 389f1ae32a1SGerd Hoffmann unsigned int max_psize; 390f1ae32a1SGerd Hoffmann uint32_t state; 39196d87bddSGerd Hoffmann uint32_t kick_active; 3923d139684SGerd Hoffmann 393024426acSGerd Hoffmann /* streams */ 394024426acSGerd Hoffmann unsigned int max_pstreams; 395024426acSGerd Hoffmann bool lsa; 396024426acSGerd Hoffmann unsigned int nr_pstreams; 397024426acSGerd Hoffmann XHCIStreamContext *pstreams; 398024426acSGerd Hoffmann 3993d139684SGerd Hoffmann /* iso xfer scheduling */ 4003d139684SGerd Hoffmann unsigned int interval; 4013d139684SGerd Hoffmann int64_t mfindex_last; 4023d139684SGerd Hoffmann QEMUTimer *kick_timer; 403024426acSGerd Hoffmann }; 404f1ae32a1SGerd Hoffmann 405f1ae32a1SGerd Hoffmann typedef struct XHCISlot { 406f1ae32a1SGerd Hoffmann bool enabled; 4074034e693SGerd Hoffmann bool addressed; 40859a70ccdSDavid Gibson dma_addr_t ctx; 409ccaf87a0SGerd Hoffmann USBPort *uport; 410f1ae32a1SGerd Hoffmann XHCIEPContext * eps[31]; 411f1ae32a1SGerd Hoffmann } XHCISlot; 412f1ae32a1SGerd Hoffmann 413f1ae32a1SGerd Hoffmann typedef struct XHCIEvent { 414f1ae32a1SGerd Hoffmann TRBType type; 415f1ae32a1SGerd Hoffmann TRBCCode ccode; 416f1ae32a1SGerd Hoffmann uint64_t ptr; 417f1ae32a1SGerd Hoffmann uint32_t length; 418f1ae32a1SGerd Hoffmann uint32_t flags; 419f1ae32a1SGerd Hoffmann uint8_t slotid; 420f1ae32a1SGerd Hoffmann uint8_t epid; 421f1ae32a1SGerd Hoffmann } XHCIEvent; 422f1ae32a1SGerd Hoffmann 423962d11e1SGerd Hoffmann typedef struct XHCIInterrupter { 424962d11e1SGerd Hoffmann uint32_t iman; 425962d11e1SGerd Hoffmann uint32_t imod; 426962d11e1SGerd Hoffmann uint32_t erstsz; 427962d11e1SGerd Hoffmann uint32_t erstba_low; 428962d11e1SGerd Hoffmann uint32_t erstba_high; 429962d11e1SGerd Hoffmann uint32_t erdp_low; 430962d11e1SGerd Hoffmann uint32_t erdp_high; 431962d11e1SGerd Hoffmann 432898248a3SGerd Hoffmann bool msix_used, er_pcs; 433962d11e1SGerd Hoffmann 434962d11e1SGerd Hoffmann dma_addr_t er_start; 435962d11e1SGerd Hoffmann uint32_t er_size; 436962d11e1SGerd Hoffmann unsigned int er_ep_idx; 437962d11e1SGerd Hoffmann 438898248a3SGerd Hoffmann /* kept for live migration compat only */ 439898248a3SGerd Hoffmann bool er_full_unused; 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 { 4479b7d3334SAndreas Färber /*< private >*/ 4489b7d3334SAndreas Färber PCIDevice parent_obj; 4499b7d3334SAndreas Färber /*< public >*/ 4509b7d3334SAndreas Färber 451f1ae32a1SGerd Hoffmann USBBus bus; 452f1ae32a1SGerd Hoffmann MemoryRegion mem; 4531b067564SGerd Hoffmann MemoryRegion mem_cap; 4541b067564SGerd Hoffmann MemoryRegion mem_oper; 4551b067564SGerd Hoffmann MemoryRegion mem_runtime; 4561b067564SGerd Hoffmann MemoryRegion mem_doorbell; 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; 4642aa6bfcbSGerd Hoffmann uint32_t max_pstreams_mask; 465290fd20dSCao jin OnOffAuto msi; 466290fd20dSCao jin OnOffAuto msix; 4670846e635SGerd Hoffmann 468f1ae32a1SGerd Hoffmann /* Operational Registers */ 469f1ae32a1SGerd Hoffmann uint32_t usbcmd; 470f1ae32a1SGerd Hoffmann uint32_t usbsts; 471f1ae32a1SGerd Hoffmann uint32_t dnctrl; 472f1ae32a1SGerd Hoffmann uint32_t crcr_low; 473f1ae32a1SGerd Hoffmann uint32_t crcr_high; 474f1ae32a1SGerd Hoffmann uint32_t dcbaap_low; 475f1ae32a1SGerd Hoffmann uint32_t dcbaap_high; 476f1ae32a1SGerd Hoffmann uint32_t config; 477f1ae32a1SGerd Hoffmann 4780846e635SGerd Hoffmann USBPort uports[MAX(MAXPORTS_2, MAXPORTS_3)]; 479f1ae32a1SGerd Hoffmann XHCIPort ports[MAXPORTS]; 480f1ae32a1SGerd Hoffmann XHCISlot slots[MAXSLOTS]; 4810846e635SGerd Hoffmann uint32_t numports; 482f1ae32a1SGerd Hoffmann 483f1ae32a1SGerd Hoffmann /* Runtime Registers */ 48401546fa6SGerd Hoffmann int64_t mfindex_start; 48501546fa6SGerd Hoffmann QEMUTimer *mfwrap_timer; 486962d11e1SGerd Hoffmann XHCIInterrupter intr[MAXINTRS]; 487f1ae32a1SGerd Hoffmann 488f1ae32a1SGerd Hoffmann XHCIRing cmd_ring; 4892992d6b4SGerd Hoffmann 4902992d6b4SGerd Hoffmann bool nec_quirks; 491f1ae32a1SGerd Hoffmann }; 492f1ae32a1SGerd Hoffmann 49372a810f4SGerd Hoffmann #define TYPE_XHCI "base-xhci" 49472a810f4SGerd Hoffmann #define TYPE_NEC_XHCI "nec-usb-xhci" 49572a810f4SGerd Hoffmann #define TYPE_QEMU_XHCI "qemu-xhci" 49637034575SPeter Crosthwaite 49737034575SPeter Crosthwaite #define XHCI(obj) \ 49837034575SPeter Crosthwaite OBJECT_CHECK(XHCIState, (obj), TYPE_XHCI) 49937034575SPeter Crosthwaite 500f1ae32a1SGerd Hoffmann typedef struct XHCIEvRingSeg { 501f1ae32a1SGerd Hoffmann uint32_t addr_low; 502f1ae32a1SGerd Hoffmann uint32_t addr_high; 503f1ae32a1SGerd Hoffmann uint32_t size; 504f1ae32a1SGerd Hoffmann uint32_t rsvd; 505f1ae32a1SGerd Hoffmann } XHCIEvRingSeg; 506f1ae32a1SGerd Hoffmann 507c5e9b02dSGerd Hoffmann enum xhci_flags { 508290fd20dSCao jin XHCI_FLAG_SS_FIRST = 1, 509e6043e92SDr. David Alan Gilbert XHCI_FLAG_FORCE_PCIE_ENDCAP, 5102aa6bfcbSGerd Hoffmann XHCI_FLAG_ENABLE_STREAMS, 511c5e9b02dSGerd Hoffmann }; 512c5e9b02dSGerd Hoffmann 51301546fa6SGerd Hoffmann static void xhci_kick_ep(XHCIState *xhci, unsigned int slotid, 514024426acSGerd Hoffmann unsigned int epid, unsigned int streamid); 5153a533ee8SGerd Hoffmann static void xhci_kick_epctx(XHCIEPContext *epctx, unsigned int streamid); 5160bc85da6SGerd Hoffmann static TRBCCode xhci_disable_ep(XHCIState *xhci, unsigned int slotid, 5170bc85da6SGerd Hoffmann unsigned int epid); 518582d6f4aSHans de Goede static void xhci_xfer_report(XHCITransfer *xfer); 519962d11e1SGerd Hoffmann static void xhci_event(XHCIState *xhci, XHCIEvent *event, int v); 520962d11e1SGerd Hoffmann static void xhci_write_event(XHCIState *xhci, XHCIEvent *event, int v); 521070eeef9SGerd Hoffmann static USBEndpoint *xhci_epid_to_usbep(XHCIEPContext *epctx); 52201546fa6SGerd Hoffmann 523f1ae32a1SGerd Hoffmann static const char *TRBType_names[] = { 524f1ae32a1SGerd Hoffmann [TRB_RESERVED] = "TRB_RESERVED", 525f1ae32a1SGerd Hoffmann [TR_NORMAL] = "TR_NORMAL", 526f1ae32a1SGerd Hoffmann [TR_SETUP] = "TR_SETUP", 527f1ae32a1SGerd Hoffmann [TR_DATA] = "TR_DATA", 528f1ae32a1SGerd Hoffmann [TR_STATUS] = "TR_STATUS", 529f1ae32a1SGerd Hoffmann [TR_ISOCH] = "TR_ISOCH", 530f1ae32a1SGerd Hoffmann [TR_LINK] = "TR_LINK", 531f1ae32a1SGerd Hoffmann [TR_EVDATA] = "TR_EVDATA", 532f1ae32a1SGerd Hoffmann [TR_NOOP] = "TR_NOOP", 533f1ae32a1SGerd Hoffmann [CR_ENABLE_SLOT] = "CR_ENABLE_SLOT", 534f1ae32a1SGerd Hoffmann [CR_DISABLE_SLOT] = "CR_DISABLE_SLOT", 535f1ae32a1SGerd Hoffmann [CR_ADDRESS_DEVICE] = "CR_ADDRESS_DEVICE", 536f1ae32a1SGerd Hoffmann [CR_CONFIGURE_ENDPOINT] = "CR_CONFIGURE_ENDPOINT", 537f1ae32a1SGerd Hoffmann [CR_EVALUATE_CONTEXT] = "CR_EVALUATE_CONTEXT", 538f1ae32a1SGerd Hoffmann [CR_RESET_ENDPOINT] = "CR_RESET_ENDPOINT", 539f1ae32a1SGerd Hoffmann [CR_STOP_ENDPOINT] = "CR_STOP_ENDPOINT", 540f1ae32a1SGerd Hoffmann [CR_SET_TR_DEQUEUE] = "CR_SET_TR_DEQUEUE", 541f1ae32a1SGerd Hoffmann [CR_RESET_DEVICE] = "CR_RESET_DEVICE", 542f1ae32a1SGerd Hoffmann [CR_FORCE_EVENT] = "CR_FORCE_EVENT", 543f1ae32a1SGerd Hoffmann [CR_NEGOTIATE_BW] = "CR_NEGOTIATE_BW", 544f1ae32a1SGerd Hoffmann [CR_SET_LATENCY_TOLERANCE] = "CR_SET_LATENCY_TOLERANCE", 545f1ae32a1SGerd Hoffmann [CR_GET_PORT_BANDWIDTH] = "CR_GET_PORT_BANDWIDTH", 546f1ae32a1SGerd Hoffmann [CR_FORCE_HEADER] = "CR_FORCE_HEADER", 547f1ae32a1SGerd Hoffmann [CR_NOOP] = "CR_NOOP", 548f1ae32a1SGerd Hoffmann [ER_TRANSFER] = "ER_TRANSFER", 549f1ae32a1SGerd Hoffmann [ER_COMMAND_COMPLETE] = "ER_COMMAND_COMPLETE", 550f1ae32a1SGerd Hoffmann [ER_PORT_STATUS_CHANGE] = "ER_PORT_STATUS_CHANGE", 551f1ae32a1SGerd Hoffmann [ER_BANDWIDTH_REQUEST] = "ER_BANDWIDTH_REQUEST", 552f1ae32a1SGerd Hoffmann [ER_DOORBELL] = "ER_DOORBELL", 553f1ae32a1SGerd Hoffmann [ER_HOST_CONTROLLER] = "ER_HOST_CONTROLLER", 554f1ae32a1SGerd Hoffmann [ER_DEVICE_NOTIFICATION] = "ER_DEVICE_NOTIFICATION", 555f1ae32a1SGerd Hoffmann [ER_MFINDEX_WRAP] = "ER_MFINDEX_WRAP", 556f1ae32a1SGerd Hoffmann [CR_VENDOR_NEC_FIRMWARE_REVISION] = "CR_VENDOR_NEC_FIRMWARE_REVISION", 557f1ae32a1SGerd Hoffmann [CR_VENDOR_NEC_CHALLENGE_RESPONSE] = "CR_VENDOR_NEC_CHALLENGE_RESPONSE", 558f1ae32a1SGerd Hoffmann }; 559f1ae32a1SGerd Hoffmann 560873123feSGerd Hoffmann static const char *TRBCCode_names[] = { 561873123feSGerd Hoffmann [CC_INVALID] = "CC_INVALID", 562873123feSGerd Hoffmann [CC_SUCCESS] = "CC_SUCCESS", 563873123feSGerd Hoffmann [CC_DATA_BUFFER_ERROR] = "CC_DATA_BUFFER_ERROR", 564873123feSGerd Hoffmann [CC_BABBLE_DETECTED] = "CC_BABBLE_DETECTED", 565873123feSGerd Hoffmann [CC_USB_TRANSACTION_ERROR] = "CC_USB_TRANSACTION_ERROR", 566873123feSGerd Hoffmann [CC_TRB_ERROR] = "CC_TRB_ERROR", 567873123feSGerd Hoffmann [CC_STALL_ERROR] = "CC_STALL_ERROR", 568873123feSGerd Hoffmann [CC_RESOURCE_ERROR] = "CC_RESOURCE_ERROR", 569873123feSGerd Hoffmann [CC_BANDWIDTH_ERROR] = "CC_BANDWIDTH_ERROR", 570873123feSGerd Hoffmann [CC_NO_SLOTS_ERROR] = "CC_NO_SLOTS_ERROR", 571873123feSGerd Hoffmann [CC_INVALID_STREAM_TYPE_ERROR] = "CC_INVALID_STREAM_TYPE_ERROR", 572873123feSGerd Hoffmann [CC_SLOT_NOT_ENABLED_ERROR] = "CC_SLOT_NOT_ENABLED_ERROR", 573873123feSGerd Hoffmann [CC_EP_NOT_ENABLED_ERROR] = "CC_EP_NOT_ENABLED_ERROR", 574873123feSGerd Hoffmann [CC_SHORT_PACKET] = "CC_SHORT_PACKET", 575873123feSGerd Hoffmann [CC_RING_UNDERRUN] = "CC_RING_UNDERRUN", 576873123feSGerd Hoffmann [CC_RING_OVERRUN] = "CC_RING_OVERRUN", 577873123feSGerd Hoffmann [CC_VF_ER_FULL] = "CC_VF_ER_FULL", 578873123feSGerd Hoffmann [CC_PARAMETER_ERROR] = "CC_PARAMETER_ERROR", 579873123feSGerd Hoffmann [CC_BANDWIDTH_OVERRUN] = "CC_BANDWIDTH_OVERRUN", 580873123feSGerd Hoffmann [CC_CONTEXT_STATE_ERROR] = "CC_CONTEXT_STATE_ERROR", 581873123feSGerd Hoffmann [CC_NO_PING_RESPONSE_ERROR] = "CC_NO_PING_RESPONSE_ERROR", 582873123feSGerd Hoffmann [CC_EVENT_RING_FULL_ERROR] = "CC_EVENT_RING_FULL_ERROR", 583873123feSGerd Hoffmann [CC_INCOMPATIBLE_DEVICE_ERROR] = "CC_INCOMPATIBLE_DEVICE_ERROR", 584873123feSGerd Hoffmann [CC_MISSED_SERVICE_ERROR] = "CC_MISSED_SERVICE_ERROR", 585873123feSGerd Hoffmann [CC_COMMAND_RING_STOPPED] = "CC_COMMAND_RING_STOPPED", 586873123feSGerd Hoffmann [CC_COMMAND_ABORTED] = "CC_COMMAND_ABORTED", 587873123feSGerd Hoffmann [CC_STOPPED] = "CC_STOPPED", 588873123feSGerd Hoffmann [CC_STOPPED_LENGTH_INVALID] = "CC_STOPPED_LENGTH_INVALID", 589873123feSGerd Hoffmann [CC_MAX_EXIT_LATENCY_TOO_LARGE_ERROR] 590873123feSGerd Hoffmann = "CC_MAX_EXIT_LATENCY_TOO_LARGE_ERROR", 591873123feSGerd Hoffmann [CC_ISOCH_BUFFER_OVERRUN] = "CC_ISOCH_BUFFER_OVERRUN", 592873123feSGerd Hoffmann [CC_EVENT_LOST_ERROR] = "CC_EVENT_LOST_ERROR", 593873123feSGerd Hoffmann [CC_UNDEFINED_ERROR] = "CC_UNDEFINED_ERROR", 594873123feSGerd Hoffmann [CC_INVALID_STREAM_ID_ERROR] = "CC_INVALID_STREAM_ID_ERROR", 595873123feSGerd Hoffmann [CC_SECONDARY_BANDWIDTH_ERROR] = "CC_SECONDARY_BANDWIDTH_ERROR", 596873123feSGerd Hoffmann [CC_SPLIT_TRANSACTION_ERROR] = "CC_SPLIT_TRANSACTION_ERROR", 597873123feSGerd Hoffmann }; 598873123feSGerd Hoffmann 5991c82392aSGerd Hoffmann static const char *ep_state_names[] = { 6001c82392aSGerd Hoffmann [EP_DISABLED] = "disabled", 6011c82392aSGerd Hoffmann [EP_RUNNING] = "running", 6021c82392aSGerd Hoffmann [EP_HALTED] = "halted", 6031c82392aSGerd Hoffmann [EP_STOPPED] = "stopped", 6041c82392aSGerd Hoffmann [EP_ERROR] = "error", 6051c82392aSGerd Hoffmann }; 6061c82392aSGerd Hoffmann 607f1ae32a1SGerd Hoffmann static const char *lookup_name(uint32_t index, const char **list, uint32_t llen) 608f1ae32a1SGerd Hoffmann { 609f1ae32a1SGerd Hoffmann if (index >= llen || list[index] == NULL) { 610f1ae32a1SGerd Hoffmann return "???"; 611f1ae32a1SGerd Hoffmann } 612f1ae32a1SGerd Hoffmann return list[index]; 613f1ae32a1SGerd Hoffmann } 614f1ae32a1SGerd Hoffmann 615f1ae32a1SGerd Hoffmann static const char *trb_name(XHCITRB *trb) 616f1ae32a1SGerd Hoffmann { 617f1ae32a1SGerd Hoffmann return lookup_name(TRB_TYPE(*trb), TRBType_names, 618f1ae32a1SGerd Hoffmann ARRAY_SIZE(TRBType_names)); 619f1ae32a1SGerd Hoffmann } 620f1ae32a1SGerd Hoffmann 621873123feSGerd Hoffmann static const char *event_name(XHCIEvent *event) 622873123feSGerd Hoffmann { 623873123feSGerd Hoffmann return lookup_name(event->ccode, TRBCCode_names, 624873123feSGerd Hoffmann ARRAY_SIZE(TRBCCode_names)); 625873123feSGerd Hoffmann } 626873123feSGerd Hoffmann 6271c82392aSGerd Hoffmann static const char *ep_state_name(uint32_t state) 6281c82392aSGerd Hoffmann { 6291c82392aSGerd Hoffmann return lookup_name(state, ep_state_names, 6301c82392aSGerd Hoffmann ARRAY_SIZE(ep_state_names)); 6311c82392aSGerd Hoffmann } 6321c82392aSGerd Hoffmann 633f9955235SGerd Hoffmann static bool xhci_get_flag(XHCIState *xhci, enum xhci_flags bit) 634f9955235SGerd Hoffmann { 635f9955235SGerd Hoffmann return xhci->flags & (1 << bit); 636f9955235SGerd Hoffmann } 637f9955235SGerd Hoffmann 6384f72b8d2SGerd Hoffmann static void xhci_set_flag(XHCIState *xhci, enum xhci_flags bit) 6394f72b8d2SGerd Hoffmann { 6404f72b8d2SGerd Hoffmann xhci->flags |= (1 << bit); 6414f72b8d2SGerd Hoffmann } 6424f72b8d2SGerd Hoffmann 64301546fa6SGerd Hoffmann static uint64_t xhci_mfindex_get(XHCIState *xhci) 64401546fa6SGerd Hoffmann { 645bc72ad67SAlex Bligh int64_t now = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL); 64601546fa6SGerd Hoffmann return (now - xhci->mfindex_start) / 125000; 64701546fa6SGerd Hoffmann } 64801546fa6SGerd Hoffmann 64901546fa6SGerd Hoffmann static void xhci_mfwrap_update(XHCIState *xhci) 65001546fa6SGerd Hoffmann { 65101546fa6SGerd Hoffmann const uint32_t bits = USBCMD_RS | USBCMD_EWE; 65201546fa6SGerd Hoffmann uint32_t mfindex, left; 65301546fa6SGerd Hoffmann int64_t now; 65401546fa6SGerd Hoffmann 65501546fa6SGerd Hoffmann if ((xhci->usbcmd & bits) == bits) { 656bc72ad67SAlex Bligh now = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL); 65701546fa6SGerd Hoffmann mfindex = ((now - xhci->mfindex_start) / 125000) & 0x3fff; 65801546fa6SGerd Hoffmann left = 0x4000 - mfindex; 659bc72ad67SAlex Bligh timer_mod(xhci->mfwrap_timer, now + left * 125000); 66001546fa6SGerd Hoffmann } else { 661bc72ad67SAlex Bligh timer_del(xhci->mfwrap_timer); 66201546fa6SGerd Hoffmann } 66301546fa6SGerd Hoffmann } 66401546fa6SGerd Hoffmann 66501546fa6SGerd Hoffmann static void xhci_mfwrap_timer(void *opaque) 66601546fa6SGerd Hoffmann { 66701546fa6SGerd Hoffmann XHCIState *xhci = opaque; 66801546fa6SGerd Hoffmann XHCIEvent wrap = { ER_MFINDEX_WRAP, CC_SUCCESS }; 66901546fa6SGerd Hoffmann 670962d11e1SGerd Hoffmann xhci_event(xhci, &wrap, 0); 67101546fa6SGerd Hoffmann xhci_mfwrap_update(xhci); 67201546fa6SGerd Hoffmann } 673f1ae32a1SGerd Hoffmann 67459a70ccdSDavid Gibson static inline dma_addr_t xhci_addr64(uint32_t low, uint32_t high) 675f1ae32a1SGerd Hoffmann { 67659a70ccdSDavid Gibson if (sizeof(dma_addr_t) == 4) { 677f1ae32a1SGerd Hoffmann return low; 67859a70ccdSDavid Gibson } else { 67959a70ccdSDavid Gibson return low | (((dma_addr_t)high << 16) << 16); 68059a70ccdSDavid Gibson } 681f1ae32a1SGerd Hoffmann } 682f1ae32a1SGerd Hoffmann 68359a70ccdSDavid Gibson static inline dma_addr_t xhci_mask64(uint64_t addr) 684f1ae32a1SGerd Hoffmann { 68559a70ccdSDavid Gibson if (sizeof(dma_addr_t) == 4) { 686f1ae32a1SGerd Hoffmann return addr & 0xffffffff; 68759a70ccdSDavid Gibson } else { 68859a70ccdSDavid Gibson return addr; 68959a70ccdSDavid Gibson } 690f1ae32a1SGerd Hoffmann } 691f1ae32a1SGerd Hoffmann 692616b5d53SDavid Gibson static inline void xhci_dma_read_u32s(XHCIState *xhci, dma_addr_t addr, 693616b5d53SDavid Gibson uint32_t *buf, size_t len) 694616b5d53SDavid Gibson { 695616b5d53SDavid Gibson int i; 696616b5d53SDavid Gibson 697616b5d53SDavid Gibson assert((len % sizeof(uint32_t)) == 0); 698616b5d53SDavid Gibson 6999b7d3334SAndreas Färber pci_dma_read(PCI_DEVICE(xhci), addr, buf, len); 700616b5d53SDavid Gibson 701616b5d53SDavid Gibson for (i = 0; i < (len / sizeof(uint32_t)); i++) { 702616b5d53SDavid Gibson buf[i] = le32_to_cpu(buf[i]); 703616b5d53SDavid Gibson } 704616b5d53SDavid Gibson } 705616b5d53SDavid Gibson 706616b5d53SDavid Gibson static inline void xhci_dma_write_u32s(XHCIState *xhci, dma_addr_t addr, 707616b5d53SDavid Gibson uint32_t *buf, size_t len) 708616b5d53SDavid Gibson { 709616b5d53SDavid Gibson int i; 710182b391eSPeter Xu uint32_t tmp[5]; 711182b391eSPeter Xu uint32_t n = len / sizeof(uint32_t); 712616b5d53SDavid Gibson 713616b5d53SDavid Gibson assert((len % sizeof(uint32_t)) == 0); 714182b391eSPeter Xu assert(n <= ARRAY_SIZE(tmp)); 715616b5d53SDavid Gibson 716182b391eSPeter Xu for (i = 0; i < n; i++) { 717616b5d53SDavid Gibson tmp[i] = cpu_to_le32(buf[i]); 718616b5d53SDavid Gibson } 7199b7d3334SAndreas Färber pci_dma_write(PCI_DEVICE(xhci), addr, tmp, len); 720616b5d53SDavid Gibson } 721616b5d53SDavid Gibson 7220846e635SGerd Hoffmann static XHCIPort *xhci_lookup_port(XHCIState *xhci, struct USBPort *uport) 7230846e635SGerd Hoffmann { 7240846e635SGerd Hoffmann int index; 7250846e635SGerd Hoffmann 7260846e635SGerd Hoffmann if (!uport->dev) { 7270846e635SGerd Hoffmann return NULL; 7280846e635SGerd Hoffmann } 7290846e635SGerd Hoffmann switch (uport->dev->speed) { 7300846e635SGerd Hoffmann case USB_SPEED_LOW: 7310846e635SGerd Hoffmann case USB_SPEED_FULL: 7320846e635SGerd Hoffmann case USB_SPEED_HIGH: 7337bafd888SGerd Hoffmann if (xhci_get_flag(xhci, XHCI_FLAG_SS_FIRST)) { 7347bafd888SGerd Hoffmann index = uport->index + xhci->numports_3; 7357bafd888SGerd Hoffmann } else { 7360846e635SGerd Hoffmann index = uport->index; 7377bafd888SGerd Hoffmann } 7380846e635SGerd Hoffmann break; 7390846e635SGerd Hoffmann case USB_SPEED_SUPER: 7407bafd888SGerd Hoffmann if (xhci_get_flag(xhci, XHCI_FLAG_SS_FIRST)) { 7417bafd888SGerd Hoffmann index = uport->index; 7427bafd888SGerd Hoffmann } else { 7430846e635SGerd Hoffmann index = uport->index + xhci->numports_2; 7447bafd888SGerd Hoffmann } 7450846e635SGerd Hoffmann break; 7460846e635SGerd Hoffmann default: 7470846e635SGerd Hoffmann return NULL; 7480846e635SGerd Hoffmann } 7490846e635SGerd Hoffmann return &xhci->ports[index]; 7500846e635SGerd Hoffmann } 7510846e635SGerd Hoffmann 7524c4abe7cSGerd Hoffmann static void xhci_intx_update(XHCIState *xhci) 753f1ae32a1SGerd Hoffmann { 7549b7d3334SAndreas Färber PCIDevice *pci_dev = PCI_DEVICE(xhci); 755f1ae32a1SGerd Hoffmann int level = 0; 756f1ae32a1SGerd Hoffmann 7579b7d3334SAndreas Färber if (msix_enabled(pci_dev) || 7589b7d3334SAndreas Färber msi_enabled(pci_dev)) { 7594c4abe7cSGerd Hoffmann return; 7604c4abe7cSGerd Hoffmann } 7614c4abe7cSGerd Hoffmann 762962d11e1SGerd Hoffmann if (xhci->intr[0].iman & IMAN_IP && 763962d11e1SGerd Hoffmann xhci->intr[0].iman & IMAN_IE && 764215bff17SLai Jiangshan xhci->usbcmd & USBCMD_INTE) { 765f1ae32a1SGerd Hoffmann level = 1; 766f1ae32a1SGerd Hoffmann } 767f1ae32a1SGerd Hoffmann 7687acd279fSGerd Hoffmann trace_usb_xhci_irq_intx(level); 7699e64f8a3SMarcel Apfelbaum pci_set_irq(pci_dev, level); 770f1ae32a1SGerd Hoffmann } 7714c4abe7cSGerd Hoffmann 772962d11e1SGerd Hoffmann static void xhci_msix_update(XHCIState *xhci, int v) 7734c47f800SGerd Hoffmann { 7749b7d3334SAndreas Färber PCIDevice *pci_dev = PCI_DEVICE(xhci); 7754c47f800SGerd Hoffmann bool enabled; 7764c47f800SGerd Hoffmann 7779b7d3334SAndreas Färber if (!msix_enabled(pci_dev)) { 7784c47f800SGerd Hoffmann return; 7794c47f800SGerd Hoffmann } 7804c47f800SGerd Hoffmann 781962d11e1SGerd Hoffmann enabled = xhci->intr[v].iman & IMAN_IE; 782962d11e1SGerd Hoffmann if (enabled == xhci->intr[v].msix_used) { 7834c47f800SGerd Hoffmann return; 7844c47f800SGerd Hoffmann } 7854c47f800SGerd Hoffmann 7864c47f800SGerd Hoffmann if (enabled) { 787962d11e1SGerd Hoffmann trace_usb_xhci_irq_msix_use(v); 7889b7d3334SAndreas Färber msix_vector_use(pci_dev, v); 789962d11e1SGerd Hoffmann xhci->intr[v].msix_used = true; 7904c47f800SGerd Hoffmann } else { 791962d11e1SGerd Hoffmann trace_usb_xhci_irq_msix_unuse(v); 7929b7d3334SAndreas Färber msix_vector_unuse(pci_dev, v); 793962d11e1SGerd Hoffmann xhci->intr[v].msix_used = false; 7944c47f800SGerd Hoffmann } 7954c47f800SGerd Hoffmann } 7964c47f800SGerd Hoffmann 797962d11e1SGerd Hoffmann static void xhci_intr_raise(XHCIState *xhci, int v) 7984c4abe7cSGerd Hoffmann { 7999b7d3334SAndreas Färber PCIDevice *pci_dev = PCI_DEVICE(xhci); 8007da76e12SGerd Hoffmann bool pending = (xhci->intr[v].erdp_low & ERDP_EHB); 8019b7d3334SAndreas Färber 802962d11e1SGerd Hoffmann xhci->intr[v].erdp_low |= ERDP_EHB; 803962d11e1SGerd Hoffmann xhci->intr[v].iman |= IMAN_IP; 8042cae4119SGerd Hoffmann xhci->usbsts |= USBSTS_EINT; 8052cae4119SGerd Hoffmann 8067da76e12SGerd Hoffmann if (pending) { 8077da76e12SGerd Hoffmann return; 8087da76e12SGerd Hoffmann } 809962d11e1SGerd Hoffmann if (!(xhci->intr[v].iman & IMAN_IE)) { 8104c4abe7cSGerd Hoffmann return; 8114c4abe7cSGerd Hoffmann } 8124c4abe7cSGerd Hoffmann 8134c4abe7cSGerd Hoffmann if (!(xhci->usbcmd & USBCMD_INTE)) { 8144c4abe7cSGerd Hoffmann return; 8154c4abe7cSGerd Hoffmann } 8164c4abe7cSGerd Hoffmann 8179b7d3334SAndreas Färber if (msix_enabled(pci_dev)) { 818962d11e1SGerd Hoffmann trace_usb_xhci_irq_msix(v); 8199b7d3334SAndreas Färber msix_notify(pci_dev, v); 8204c47f800SGerd Hoffmann return; 8214c47f800SGerd Hoffmann } 8224c47f800SGerd Hoffmann 8239b7d3334SAndreas Färber if (msi_enabled(pci_dev)) { 824962d11e1SGerd Hoffmann trace_usb_xhci_irq_msi(v); 8259b7d3334SAndreas Färber msi_notify(pci_dev, v); 8264c4abe7cSGerd Hoffmann return; 8274c4abe7cSGerd Hoffmann } 8284c4abe7cSGerd Hoffmann 829962d11e1SGerd Hoffmann if (v == 0) { 8304c4abe7cSGerd Hoffmann trace_usb_xhci_irq_intx(1); 8319e64f8a3SMarcel Apfelbaum pci_irq_assert(pci_dev); 832f1ae32a1SGerd Hoffmann } 833962d11e1SGerd Hoffmann } 834f1ae32a1SGerd Hoffmann 835f1ae32a1SGerd Hoffmann static inline int xhci_running(XHCIState *xhci) 836f1ae32a1SGerd Hoffmann { 837898248a3SGerd Hoffmann return !(xhci->usbsts & USBSTS_HCH); 838f1ae32a1SGerd Hoffmann } 839f1ae32a1SGerd Hoffmann 840f1ae32a1SGerd Hoffmann static void xhci_die(XHCIState *xhci) 841f1ae32a1SGerd Hoffmann { 842f1ae32a1SGerd Hoffmann xhci->usbsts |= USBSTS_HCE; 843d6bb65fcSGerd Hoffmann DPRINTF("xhci: asserted controller error\n"); 844f1ae32a1SGerd Hoffmann } 845f1ae32a1SGerd Hoffmann 846962d11e1SGerd Hoffmann static void xhci_write_event(XHCIState *xhci, XHCIEvent *event, int v) 847f1ae32a1SGerd Hoffmann { 8489b7d3334SAndreas Färber PCIDevice *pci_dev = PCI_DEVICE(xhci); 849962d11e1SGerd Hoffmann XHCIInterrupter *intr = &xhci->intr[v]; 850f1ae32a1SGerd Hoffmann XHCITRB ev_trb; 85159a70ccdSDavid Gibson dma_addr_t addr; 852f1ae32a1SGerd Hoffmann 853f1ae32a1SGerd Hoffmann ev_trb.parameter = cpu_to_le64(event->ptr); 854f1ae32a1SGerd Hoffmann ev_trb.status = cpu_to_le32(event->length | (event->ccode << 24)); 855f1ae32a1SGerd Hoffmann ev_trb.control = (event->slotid << 24) | (event->epid << 16) | 856f1ae32a1SGerd Hoffmann event->flags | (event->type << TRB_TYPE_SHIFT); 857962d11e1SGerd Hoffmann if (intr->er_pcs) { 858f1ae32a1SGerd Hoffmann ev_trb.control |= TRB_C; 859f1ae32a1SGerd Hoffmann } 860f1ae32a1SGerd Hoffmann ev_trb.control = cpu_to_le32(ev_trb.control); 861f1ae32a1SGerd Hoffmann 862962d11e1SGerd Hoffmann trace_usb_xhci_queue_event(v, intr->er_ep_idx, trb_name(&ev_trb), 863873123feSGerd Hoffmann event_name(event), ev_trb.parameter, 864873123feSGerd Hoffmann ev_trb.status, ev_trb.control); 865f1ae32a1SGerd Hoffmann 866962d11e1SGerd Hoffmann addr = intr->er_start + TRB_SIZE*intr->er_ep_idx; 8679b7d3334SAndreas Färber pci_dma_write(pci_dev, addr, &ev_trb, TRB_SIZE); 868f1ae32a1SGerd Hoffmann 869962d11e1SGerd Hoffmann intr->er_ep_idx++; 870962d11e1SGerd Hoffmann if (intr->er_ep_idx >= intr->er_size) { 871962d11e1SGerd Hoffmann intr->er_ep_idx = 0; 872962d11e1SGerd Hoffmann intr->er_pcs = !intr->er_pcs; 873f1ae32a1SGerd Hoffmann } 874f1ae32a1SGerd Hoffmann } 875f1ae32a1SGerd Hoffmann 876962d11e1SGerd Hoffmann static void xhci_event(XHCIState *xhci, XHCIEvent *event, int v) 877f1ae32a1SGerd Hoffmann { 8782d1de850SGerd Hoffmann XHCIInterrupter *intr; 87959a70ccdSDavid Gibson dma_addr_t erdp; 880f1ae32a1SGerd Hoffmann unsigned int dp_idx; 881f1ae32a1SGerd Hoffmann 88291062ae0SGerd Hoffmann if (v >= xhci->numintrs) { 88391062ae0SGerd Hoffmann DPRINTF("intr nr out of range (%d >= %d)\n", v, xhci->numintrs); 8842d1de850SGerd Hoffmann return; 8852d1de850SGerd Hoffmann } 8862d1de850SGerd Hoffmann intr = &xhci->intr[v]; 8872d1de850SGerd Hoffmann 888962d11e1SGerd Hoffmann erdp = xhci_addr64(intr->erdp_low, intr->erdp_high); 889962d11e1SGerd Hoffmann if (erdp < intr->er_start || 890962d11e1SGerd Hoffmann erdp >= (intr->er_start + TRB_SIZE*intr->er_size)) { 891d6bb65fcSGerd Hoffmann DPRINTF("xhci: ERDP out of bounds: "DMA_ADDR_FMT"\n", erdp); 892d6bb65fcSGerd Hoffmann DPRINTF("xhci: ER[%d] at "DMA_ADDR_FMT" len %d\n", 893962d11e1SGerd Hoffmann v, intr->er_start, intr->er_size); 894f1ae32a1SGerd Hoffmann xhci_die(xhci); 895f1ae32a1SGerd Hoffmann return; 896f1ae32a1SGerd Hoffmann } 897f1ae32a1SGerd Hoffmann 898962d11e1SGerd Hoffmann dp_idx = (erdp - intr->er_start) / TRB_SIZE; 899962d11e1SGerd Hoffmann assert(dp_idx < intr->er_size); 900f1ae32a1SGerd Hoffmann 901898248a3SGerd Hoffmann if ((intr->er_ep_idx + 2) % intr->er_size == dp_idx) { 902898248a3SGerd Hoffmann DPRINTF("xhci: ER %d full, send ring full error\n", v); 903f1ae32a1SGerd Hoffmann XHCIEvent full = {ER_HOST_CONTROLLER, CC_EVENT_RING_FULL_ERROR}; 904898248a3SGerd Hoffmann xhci_write_event(xhci, &full, v); 905898248a3SGerd Hoffmann } else if ((intr->er_ep_idx + 1) % intr->er_size == dp_idx) { 906898248a3SGerd Hoffmann DPRINTF("xhci: ER %d full, drop event\n", v); 907f1ae32a1SGerd Hoffmann } else { 908962d11e1SGerd Hoffmann xhci_write_event(xhci, event, v); 909f1ae32a1SGerd Hoffmann } 910f1ae32a1SGerd Hoffmann 911962d11e1SGerd Hoffmann xhci_intr_raise(xhci, v); 912f1ae32a1SGerd Hoffmann } 913f1ae32a1SGerd Hoffmann 914f1ae32a1SGerd Hoffmann static void xhci_ring_init(XHCIState *xhci, XHCIRing *ring, 91559a70ccdSDavid Gibson dma_addr_t base) 916f1ae32a1SGerd Hoffmann { 917f1ae32a1SGerd Hoffmann ring->dequeue = base; 918f1ae32a1SGerd Hoffmann ring->ccs = 1; 919f1ae32a1SGerd Hoffmann } 920f1ae32a1SGerd Hoffmann 921f1ae32a1SGerd Hoffmann static TRBType xhci_ring_fetch(XHCIState *xhci, XHCIRing *ring, XHCITRB *trb, 92259a70ccdSDavid Gibson dma_addr_t *addr) 923f1ae32a1SGerd Hoffmann { 9249b7d3334SAndreas Färber PCIDevice *pci_dev = PCI_DEVICE(xhci); 92505f43d44SGerd Hoffmann uint32_t link_cnt = 0; 9269b7d3334SAndreas Färber 927f1ae32a1SGerd Hoffmann while (1) { 928f1ae32a1SGerd Hoffmann TRBType type; 9299b7d3334SAndreas Färber pci_dma_read(pci_dev, ring->dequeue, trb, TRB_SIZE); 930f1ae32a1SGerd Hoffmann trb->addr = ring->dequeue; 931f1ae32a1SGerd Hoffmann trb->ccs = ring->ccs; 932f1ae32a1SGerd Hoffmann le64_to_cpus(&trb->parameter); 933f1ae32a1SGerd Hoffmann le32_to_cpus(&trb->status); 934f1ae32a1SGerd Hoffmann le32_to_cpus(&trb->control); 935f1ae32a1SGerd Hoffmann 9360703a4a7SGerd Hoffmann trace_usb_xhci_fetch_trb(ring->dequeue, trb_name(trb), 9370703a4a7SGerd Hoffmann trb->parameter, trb->status, trb->control); 938f1ae32a1SGerd Hoffmann 939f1ae32a1SGerd Hoffmann if ((trb->control & TRB_C) != ring->ccs) { 940f1ae32a1SGerd Hoffmann return 0; 941f1ae32a1SGerd Hoffmann } 942f1ae32a1SGerd Hoffmann 943f1ae32a1SGerd Hoffmann type = TRB_TYPE(*trb); 944f1ae32a1SGerd Hoffmann 945f1ae32a1SGerd Hoffmann if (type != TR_LINK) { 946f1ae32a1SGerd Hoffmann if (addr) { 947f1ae32a1SGerd Hoffmann *addr = ring->dequeue; 948f1ae32a1SGerd Hoffmann } 949f1ae32a1SGerd Hoffmann ring->dequeue += TRB_SIZE; 950f1ae32a1SGerd Hoffmann return type; 951f1ae32a1SGerd Hoffmann } else { 95205f43d44SGerd Hoffmann if (++link_cnt > TRB_LINK_LIMIT) { 953f89b60f6SGerd Hoffmann trace_usb_xhci_enforced_limit("trb-link"); 95405f43d44SGerd Hoffmann return 0; 95505f43d44SGerd Hoffmann } 956f1ae32a1SGerd Hoffmann ring->dequeue = xhci_mask64(trb->parameter); 957f1ae32a1SGerd Hoffmann if (trb->control & TRB_LK_TC) { 958f1ae32a1SGerd Hoffmann ring->ccs = !ring->ccs; 959f1ae32a1SGerd Hoffmann } 960f1ae32a1SGerd Hoffmann } 961f1ae32a1SGerd Hoffmann } 962f1ae32a1SGerd Hoffmann } 963f1ae32a1SGerd Hoffmann 964f1ae32a1SGerd Hoffmann static int xhci_ring_chain_length(XHCIState *xhci, const XHCIRing *ring) 965f1ae32a1SGerd Hoffmann { 9669b7d3334SAndreas Färber PCIDevice *pci_dev = PCI_DEVICE(xhci); 967f1ae32a1SGerd Hoffmann XHCITRB trb; 968f1ae32a1SGerd Hoffmann int length = 0; 96959a70ccdSDavid Gibson dma_addr_t dequeue = ring->dequeue; 970f1ae32a1SGerd Hoffmann bool ccs = ring->ccs; 971f1ae32a1SGerd Hoffmann /* hack to bundle together the two/three TDs that make a setup transfer */ 972f1ae32a1SGerd Hoffmann bool control_td_set = 0; 97305f43d44SGerd Hoffmann uint32_t link_cnt = 0; 974f1ae32a1SGerd Hoffmann 975f1ae32a1SGerd Hoffmann while (1) { 976f1ae32a1SGerd Hoffmann TRBType type; 9779b7d3334SAndreas Färber pci_dma_read(pci_dev, dequeue, &trb, TRB_SIZE); 978f1ae32a1SGerd Hoffmann le64_to_cpus(&trb.parameter); 979f1ae32a1SGerd Hoffmann le32_to_cpus(&trb.status); 980f1ae32a1SGerd Hoffmann le32_to_cpus(&trb.control); 981f1ae32a1SGerd Hoffmann 982f1ae32a1SGerd Hoffmann if ((trb.control & TRB_C) != ccs) { 983f1ae32a1SGerd Hoffmann return -length; 984f1ae32a1SGerd Hoffmann } 985f1ae32a1SGerd Hoffmann 986f1ae32a1SGerd Hoffmann type = TRB_TYPE(trb); 987f1ae32a1SGerd Hoffmann 988f1ae32a1SGerd Hoffmann if (type == TR_LINK) { 98905f43d44SGerd Hoffmann if (++link_cnt > TRB_LINK_LIMIT) { 99005f43d44SGerd Hoffmann return -length; 99105f43d44SGerd Hoffmann } 992f1ae32a1SGerd Hoffmann dequeue = xhci_mask64(trb.parameter); 993f1ae32a1SGerd Hoffmann if (trb.control & TRB_LK_TC) { 994f1ae32a1SGerd Hoffmann ccs = !ccs; 995f1ae32a1SGerd Hoffmann } 996f1ae32a1SGerd Hoffmann continue; 997f1ae32a1SGerd Hoffmann } 998f1ae32a1SGerd Hoffmann 999f1ae32a1SGerd Hoffmann length += 1; 1000f1ae32a1SGerd Hoffmann dequeue += TRB_SIZE; 1001f1ae32a1SGerd Hoffmann 1002f1ae32a1SGerd Hoffmann if (type == TR_SETUP) { 1003f1ae32a1SGerd Hoffmann control_td_set = 1; 1004f1ae32a1SGerd Hoffmann } else if (type == TR_STATUS) { 1005f1ae32a1SGerd Hoffmann control_td_set = 0; 1006f1ae32a1SGerd Hoffmann } 1007f1ae32a1SGerd Hoffmann 1008f1ae32a1SGerd Hoffmann if (!control_td_set && !(trb.control & TRB_TR_CH)) { 1009f1ae32a1SGerd Hoffmann return length; 1010f1ae32a1SGerd Hoffmann } 1011f1ae32a1SGerd Hoffmann } 1012f1ae32a1SGerd Hoffmann } 1013f1ae32a1SGerd Hoffmann 1014962d11e1SGerd Hoffmann static void xhci_er_reset(XHCIState *xhci, int v) 1015f1ae32a1SGerd Hoffmann { 1016962d11e1SGerd Hoffmann XHCIInterrupter *intr = &xhci->intr[v]; 1017f1ae32a1SGerd Hoffmann XHCIEvRingSeg seg; 1018f1ae32a1SGerd Hoffmann 1019e099ad4bSGerd Hoffmann if (intr->erstsz == 0) { 1020e099ad4bSGerd Hoffmann /* disabled */ 1021e099ad4bSGerd Hoffmann intr->er_start = 0; 1022e099ad4bSGerd Hoffmann intr->er_size = 0; 1023e099ad4bSGerd Hoffmann return; 1024e099ad4bSGerd Hoffmann } 1025f1ae32a1SGerd Hoffmann /* cache the (sole) event ring segment location */ 1026962d11e1SGerd Hoffmann if (intr->erstsz != 1) { 1027d6bb65fcSGerd Hoffmann DPRINTF("xhci: invalid value for ERSTSZ: %d\n", intr->erstsz); 1028f1ae32a1SGerd Hoffmann xhci_die(xhci); 1029f1ae32a1SGerd Hoffmann return; 1030f1ae32a1SGerd Hoffmann } 1031962d11e1SGerd Hoffmann dma_addr_t erstba = xhci_addr64(intr->erstba_low, intr->erstba_high); 10329b7d3334SAndreas Färber pci_dma_read(PCI_DEVICE(xhci), erstba, &seg, sizeof(seg)); 1033f1ae32a1SGerd Hoffmann le32_to_cpus(&seg.addr_low); 1034f1ae32a1SGerd Hoffmann le32_to_cpus(&seg.addr_high); 1035f1ae32a1SGerd Hoffmann le32_to_cpus(&seg.size); 1036f1ae32a1SGerd Hoffmann if (seg.size < 16 || seg.size > 4096) { 1037d6bb65fcSGerd Hoffmann DPRINTF("xhci: invalid value for segment size: %d\n", seg.size); 1038f1ae32a1SGerd Hoffmann xhci_die(xhci); 1039f1ae32a1SGerd Hoffmann return; 1040f1ae32a1SGerd Hoffmann } 1041962d11e1SGerd Hoffmann intr->er_start = xhci_addr64(seg.addr_low, seg.addr_high); 1042962d11e1SGerd Hoffmann intr->er_size = seg.size; 1043f1ae32a1SGerd Hoffmann 1044962d11e1SGerd Hoffmann intr->er_ep_idx = 0; 1045962d11e1SGerd Hoffmann intr->er_pcs = 1; 1046f1ae32a1SGerd Hoffmann 1047962d11e1SGerd Hoffmann DPRINTF("xhci: event ring[%d]:" DMA_ADDR_FMT " [%d]\n", 1048962d11e1SGerd Hoffmann v, intr->er_start, intr->er_size); 1049f1ae32a1SGerd Hoffmann } 1050f1ae32a1SGerd Hoffmann 1051f1ae32a1SGerd Hoffmann static void xhci_run(XHCIState *xhci) 1052f1ae32a1SGerd Hoffmann { 1053fc0ddacaSGerd Hoffmann trace_usb_xhci_run(); 1054f1ae32a1SGerd Hoffmann xhci->usbsts &= ~USBSTS_HCH; 1055bc72ad67SAlex Bligh xhci->mfindex_start = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL); 1056f1ae32a1SGerd Hoffmann } 1057f1ae32a1SGerd Hoffmann 1058f1ae32a1SGerd Hoffmann static void xhci_stop(XHCIState *xhci) 1059f1ae32a1SGerd Hoffmann { 1060fc0ddacaSGerd Hoffmann trace_usb_xhci_stop(); 1061f1ae32a1SGerd Hoffmann xhci->usbsts |= USBSTS_HCH; 1062f1ae32a1SGerd Hoffmann xhci->crcr_low &= ~CRCR_CRR; 1063f1ae32a1SGerd Hoffmann } 1064f1ae32a1SGerd Hoffmann 1065024426acSGerd Hoffmann static XHCIStreamContext *xhci_alloc_stream_contexts(unsigned count, 1066024426acSGerd Hoffmann dma_addr_t base) 1067024426acSGerd Hoffmann { 1068024426acSGerd Hoffmann XHCIStreamContext *stctx; 1069024426acSGerd Hoffmann unsigned int i; 1070024426acSGerd Hoffmann 1071024426acSGerd Hoffmann stctx = g_new0(XHCIStreamContext, count); 1072024426acSGerd Hoffmann for (i = 0; i < count; i++) { 1073024426acSGerd Hoffmann stctx[i].pctx = base + i * 16; 1074024426acSGerd Hoffmann stctx[i].sct = -1; 1075024426acSGerd Hoffmann } 1076024426acSGerd Hoffmann return stctx; 1077024426acSGerd Hoffmann } 1078024426acSGerd Hoffmann 1079024426acSGerd Hoffmann static void xhci_reset_streams(XHCIEPContext *epctx) 1080024426acSGerd Hoffmann { 1081024426acSGerd Hoffmann unsigned int i; 1082024426acSGerd Hoffmann 1083024426acSGerd Hoffmann for (i = 0; i < epctx->nr_pstreams; i++) { 1084024426acSGerd Hoffmann epctx->pstreams[i].sct = -1; 1085024426acSGerd Hoffmann } 1086024426acSGerd Hoffmann } 1087024426acSGerd Hoffmann 1088024426acSGerd Hoffmann static void xhci_alloc_streams(XHCIEPContext *epctx, dma_addr_t base) 1089024426acSGerd Hoffmann { 1090024426acSGerd Hoffmann assert(epctx->pstreams == NULL); 1091f90e160bSGerd Hoffmann epctx->nr_pstreams = 2 << epctx->max_pstreams; 1092024426acSGerd Hoffmann epctx->pstreams = xhci_alloc_stream_contexts(epctx->nr_pstreams, base); 1093024426acSGerd Hoffmann } 1094024426acSGerd Hoffmann 1095024426acSGerd Hoffmann static void xhci_free_streams(XHCIEPContext *epctx) 1096024426acSGerd Hoffmann { 1097024426acSGerd Hoffmann assert(epctx->pstreams != NULL); 1098024426acSGerd Hoffmann 1099024426acSGerd Hoffmann g_free(epctx->pstreams); 1100024426acSGerd Hoffmann epctx->pstreams = NULL; 1101024426acSGerd Hoffmann epctx->nr_pstreams = 0; 1102024426acSGerd Hoffmann } 1103024426acSGerd Hoffmann 110472391da5SHans de Goede static int xhci_epmask_to_eps_with_streams(XHCIState *xhci, 110572391da5SHans de Goede unsigned int slotid, 110672391da5SHans de Goede uint32_t epmask, 110772391da5SHans de Goede XHCIEPContext **epctxs, 110872391da5SHans de Goede USBEndpoint **eps) 110972391da5SHans de Goede { 111072391da5SHans de Goede XHCISlot *slot; 111172391da5SHans de Goede XHCIEPContext *epctx; 111272391da5SHans de Goede USBEndpoint *ep; 111372391da5SHans de Goede int i, j; 111472391da5SHans de Goede 111572391da5SHans de Goede assert(slotid >= 1 && slotid <= xhci->numslots); 111672391da5SHans de Goede 111772391da5SHans de Goede slot = &xhci->slots[slotid - 1]; 111872391da5SHans de Goede 111972391da5SHans de Goede for (i = 2, j = 0; i <= 31; i++) { 11203d80365bSGerd Hoffmann if (!(epmask & (1u << i))) { 112172391da5SHans de Goede continue; 112272391da5SHans de Goede } 112372391da5SHans de Goede 112472391da5SHans de Goede epctx = slot->eps[i - 1]; 1125070eeef9SGerd Hoffmann ep = xhci_epid_to_usbep(epctx); 112672391da5SHans de Goede if (!epctx || !epctx->nr_pstreams || !ep) { 112772391da5SHans de Goede continue; 112872391da5SHans de Goede } 112972391da5SHans de Goede 113072391da5SHans de Goede if (epctxs) { 113172391da5SHans de Goede epctxs[j] = epctx; 113272391da5SHans de Goede } 113372391da5SHans de Goede eps[j++] = ep; 113472391da5SHans de Goede } 113572391da5SHans de Goede return j; 113672391da5SHans de Goede } 113772391da5SHans de Goede 113872391da5SHans de Goede static void xhci_free_device_streams(XHCIState *xhci, unsigned int slotid, 113972391da5SHans de Goede uint32_t epmask) 114072391da5SHans de Goede { 114172391da5SHans de Goede USBEndpoint *eps[30]; 114272391da5SHans de Goede int nr_eps; 114372391da5SHans de Goede 114472391da5SHans de Goede nr_eps = xhci_epmask_to_eps_with_streams(xhci, slotid, epmask, NULL, eps); 114572391da5SHans de Goede if (nr_eps) { 114672391da5SHans de Goede usb_device_free_streams(eps[0]->dev, eps, nr_eps); 114772391da5SHans de Goede } 114872391da5SHans de Goede } 114972391da5SHans de Goede 115072391da5SHans de Goede static TRBCCode xhci_alloc_device_streams(XHCIState *xhci, unsigned int slotid, 115172391da5SHans de Goede uint32_t epmask) 115272391da5SHans de Goede { 115372391da5SHans de Goede XHCIEPContext *epctxs[30]; 115472391da5SHans de Goede USBEndpoint *eps[30]; 115572391da5SHans de Goede int i, r, nr_eps, req_nr_streams, dev_max_streams; 115672391da5SHans de Goede 115772391da5SHans de Goede nr_eps = xhci_epmask_to_eps_with_streams(xhci, slotid, epmask, epctxs, 115872391da5SHans de Goede eps); 115972391da5SHans de Goede if (nr_eps == 0) { 116072391da5SHans de Goede return CC_SUCCESS; 116172391da5SHans de Goede } 116272391da5SHans de Goede 116372391da5SHans de Goede req_nr_streams = epctxs[0]->nr_pstreams; 116472391da5SHans de Goede dev_max_streams = eps[0]->max_streams; 116572391da5SHans de Goede 116672391da5SHans de Goede for (i = 1; i < nr_eps; i++) { 116772391da5SHans de Goede /* 116872391da5SHans de Goede * HdG: I don't expect these to ever trigger, but if they do we need 116972391da5SHans de Goede * to come up with another solution, ie group identical endpoints 117072391da5SHans de Goede * together and make an usb_device_alloc_streams call per group. 117172391da5SHans de Goede */ 117272391da5SHans de Goede if (epctxs[i]->nr_pstreams != req_nr_streams) { 117372391da5SHans de Goede FIXME("guest streams config not identical for all eps"); 117472391da5SHans de Goede return CC_RESOURCE_ERROR; 117572391da5SHans de Goede } 117672391da5SHans de Goede if (eps[i]->max_streams != dev_max_streams) { 117772391da5SHans de Goede FIXME("device streams config not identical for all eps"); 117872391da5SHans de Goede return CC_RESOURCE_ERROR; 117972391da5SHans de Goede } 118072391da5SHans de Goede } 118172391da5SHans de Goede 118272391da5SHans de Goede /* 118372391da5SHans de Goede * max-streams in both the device descriptor and in the controller is a 118472391da5SHans de Goede * power of 2. But stream id 0 is reserved, so if a device can do up to 4 118572391da5SHans de Goede * streams the guest will ask for 5 rounded up to the next power of 2 which 118672391da5SHans de Goede * becomes 8. For emulated devices usb_device_alloc_streams is a nop. 118772391da5SHans de Goede * 118872391da5SHans de Goede * For redirected devices however this is an issue, as there we must ask 118972391da5SHans de Goede * the real xhci controller to alloc streams, and the host driver for the 119072391da5SHans de Goede * real xhci controller will likely disallow allocating more streams then 119172391da5SHans de Goede * the device can handle. 119272391da5SHans de Goede * 119372391da5SHans de Goede * So we limit the requested nr_streams to the maximum number the device 119472391da5SHans de Goede * can handle. 119572391da5SHans de Goede */ 119672391da5SHans de Goede if (req_nr_streams > dev_max_streams) { 119772391da5SHans de Goede req_nr_streams = dev_max_streams; 119872391da5SHans de Goede } 119972391da5SHans de Goede 120072391da5SHans de Goede r = usb_device_alloc_streams(eps[0]->dev, eps, nr_eps, req_nr_streams); 120172391da5SHans de Goede if (r != 0) { 1202d6bb65fcSGerd Hoffmann DPRINTF("xhci: alloc streams failed\n"); 120372391da5SHans de Goede return CC_RESOURCE_ERROR; 120472391da5SHans de Goede } 120572391da5SHans de Goede 120672391da5SHans de Goede return CC_SUCCESS; 120772391da5SHans de Goede } 120872391da5SHans de Goede 1209024426acSGerd Hoffmann static XHCIStreamContext *xhci_find_stream(XHCIEPContext *epctx, 1210024426acSGerd Hoffmann unsigned int streamid, 1211024426acSGerd Hoffmann uint32_t *cc_error) 1212024426acSGerd Hoffmann { 1213024426acSGerd Hoffmann XHCIStreamContext *sctx; 1214024426acSGerd Hoffmann dma_addr_t base; 1215024426acSGerd Hoffmann uint32_t ctx[2], sct; 1216024426acSGerd Hoffmann 1217024426acSGerd Hoffmann assert(streamid != 0); 1218024426acSGerd Hoffmann if (epctx->lsa) { 1219024426acSGerd Hoffmann if (streamid >= epctx->nr_pstreams) { 1220024426acSGerd Hoffmann *cc_error = CC_INVALID_STREAM_ID_ERROR; 1221024426acSGerd Hoffmann return NULL; 1222024426acSGerd Hoffmann } 1223024426acSGerd Hoffmann sctx = epctx->pstreams + streamid; 1224024426acSGerd Hoffmann } else { 1225024426acSGerd Hoffmann FIXME("secondary streams not implemented yet"); 1226024426acSGerd Hoffmann } 1227024426acSGerd Hoffmann 1228024426acSGerd Hoffmann if (sctx->sct == -1) { 1229024426acSGerd Hoffmann xhci_dma_read_u32s(epctx->xhci, sctx->pctx, ctx, sizeof(ctx)); 1230024426acSGerd Hoffmann sct = (ctx[0] >> 1) & 0x07; 1231024426acSGerd Hoffmann if (epctx->lsa && sct != 1) { 1232024426acSGerd Hoffmann *cc_error = CC_INVALID_STREAM_TYPE_ERROR; 1233024426acSGerd Hoffmann return NULL; 1234024426acSGerd Hoffmann } 1235024426acSGerd Hoffmann sctx->sct = sct; 1236024426acSGerd Hoffmann base = xhci_addr64(ctx[0] & ~0xf, ctx[1]); 1237024426acSGerd Hoffmann xhci_ring_init(epctx->xhci, &sctx->ring, base); 1238024426acSGerd Hoffmann } 1239024426acSGerd Hoffmann return sctx; 1240024426acSGerd Hoffmann } 1241024426acSGerd Hoffmann 1242f1ae32a1SGerd Hoffmann static void xhci_set_ep_state(XHCIState *xhci, XHCIEPContext *epctx, 1243024426acSGerd Hoffmann XHCIStreamContext *sctx, uint32_t state) 1244f1ae32a1SGerd Hoffmann { 1245c90daa1cSHans de Goede XHCIRing *ring = NULL; 1246f1ae32a1SGerd Hoffmann uint32_t ctx[5]; 1247024426acSGerd Hoffmann uint32_t ctx2[2]; 1248f1ae32a1SGerd Hoffmann 1249616b5d53SDavid Gibson xhci_dma_read_u32s(xhci, epctx->pctx, ctx, sizeof(ctx)); 1250f1ae32a1SGerd Hoffmann ctx[0] &= ~EP_STATE_MASK; 1251f1ae32a1SGerd Hoffmann ctx[0] |= state; 1252024426acSGerd Hoffmann 1253024426acSGerd Hoffmann /* update ring dequeue ptr */ 1254024426acSGerd Hoffmann if (epctx->nr_pstreams) { 1255024426acSGerd Hoffmann if (sctx != NULL) { 1256c90daa1cSHans de Goede ring = &sctx->ring; 1257024426acSGerd Hoffmann xhci_dma_read_u32s(xhci, sctx->pctx, ctx2, sizeof(ctx2)); 1258024426acSGerd Hoffmann ctx2[0] &= 0xe; 1259024426acSGerd Hoffmann ctx2[0] |= sctx->ring.dequeue | sctx->ring.ccs; 1260024426acSGerd Hoffmann ctx2[1] = (sctx->ring.dequeue >> 16) >> 16; 1261024426acSGerd Hoffmann xhci_dma_write_u32s(xhci, sctx->pctx, ctx2, sizeof(ctx2)); 1262024426acSGerd Hoffmann } 1263024426acSGerd Hoffmann } else { 1264c90daa1cSHans de Goede ring = &epctx->ring; 1265c90daa1cSHans de Goede } 1266c90daa1cSHans de Goede if (ring) { 1267c90daa1cSHans de Goede ctx[2] = ring->dequeue | ring->ccs; 1268c90daa1cSHans de Goede ctx[3] = (ring->dequeue >> 16) >> 16; 1269c90daa1cSHans de Goede 127059a70ccdSDavid Gibson DPRINTF("xhci: set epctx: " DMA_ADDR_FMT " state=%d dequeue=%08x%08x\n", 1271f1ae32a1SGerd Hoffmann epctx->pctx, state, ctx[3], ctx[2]); 1272024426acSGerd Hoffmann } 1273024426acSGerd Hoffmann 1274616b5d53SDavid Gibson xhci_dma_write_u32s(xhci, epctx->pctx, ctx, sizeof(ctx)); 12751c82392aSGerd Hoffmann if (epctx->state != state) { 12761c82392aSGerd Hoffmann trace_usb_xhci_ep_state(epctx->slotid, epctx->epid, 12771c82392aSGerd Hoffmann ep_state_name(epctx->state), 12781c82392aSGerd Hoffmann ep_state_name(state)); 12791c82392aSGerd Hoffmann } 1280f1ae32a1SGerd Hoffmann epctx->state = state; 1281f1ae32a1SGerd Hoffmann } 1282f1ae32a1SGerd Hoffmann 12833d139684SGerd Hoffmann static void xhci_ep_kick_timer(void *opaque) 12843d139684SGerd Hoffmann { 12853d139684SGerd Hoffmann XHCIEPContext *epctx = opaque; 12863a533ee8SGerd Hoffmann xhci_kick_epctx(epctx, 0); 12873d139684SGerd Hoffmann } 12883d139684SGerd Hoffmann 1289492b21f6SGerd Hoffmann static XHCIEPContext *xhci_alloc_epctx(XHCIState *xhci, 1290492b21f6SGerd Hoffmann unsigned int slotid, 1291492b21f6SGerd Hoffmann unsigned int epid) 1292492b21f6SGerd Hoffmann { 1293492b21f6SGerd Hoffmann XHCIEPContext *epctx; 1294492b21f6SGerd Hoffmann 1295492b21f6SGerd Hoffmann epctx = g_new0(XHCIEPContext, 1); 1296492b21f6SGerd Hoffmann epctx->xhci = xhci; 1297492b21f6SGerd Hoffmann epctx->slotid = slotid; 1298492b21f6SGerd Hoffmann epctx->epid = epid; 1299492b21f6SGerd Hoffmann 130094b037f2SGerd Hoffmann QTAILQ_INIT(&epctx->transfers); 1301bc72ad67SAlex Bligh epctx->kick_timer = timer_new_ns(QEMU_CLOCK_VIRTUAL, xhci_ep_kick_timer, epctx); 1302492b21f6SGerd Hoffmann 1303492b21f6SGerd Hoffmann return epctx; 1304492b21f6SGerd Hoffmann } 1305492b21f6SGerd Hoffmann 1306003e15a1SGerd Hoffmann static void xhci_init_epctx(XHCIEPContext *epctx, 1307003e15a1SGerd Hoffmann dma_addr_t pctx, uint32_t *ctx) 1308f1ae32a1SGerd Hoffmann { 130959a70ccdSDavid Gibson dma_addr_t dequeue; 1310f1ae32a1SGerd Hoffmann 1311f1ae32a1SGerd Hoffmann dequeue = xhci_addr64(ctx[2] & ~0xf, ctx[3]); 1312f1ae32a1SGerd Hoffmann 1313f1ae32a1SGerd Hoffmann epctx->type = (ctx[1] >> EP_TYPE_SHIFT) & EP_TYPE_MASK; 1314f1ae32a1SGerd Hoffmann epctx->pctx = pctx; 1315f1ae32a1SGerd Hoffmann epctx->max_psize = ctx[1]>>16; 1316f1ae32a1SGerd Hoffmann epctx->max_psize *= 1+((ctx[1]>>8)&0xff); 13172aa6bfcbSGerd Hoffmann epctx->max_pstreams = (ctx[0] >> 10) & epctx->xhci->max_pstreams_mask; 1318024426acSGerd Hoffmann epctx->lsa = (ctx[0] >> 15) & 1; 1319024426acSGerd Hoffmann if (epctx->max_pstreams) { 1320024426acSGerd Hoffmann xhci_alloc_streams(epctx, dequeue); 1321024426acSGerd Hoffmann } else { 1322003e15a1SGerd Hoffmann xhci_ring_init(epctx->xhci, &epctx->ring, dequeue); 1323024426acSGerd Hoffmann epctx->ring.ccs = ctx[2] & 1; 1324024426acSGerd Hoffmann } 1325f1ae32a1SGerd Hoffmann 1326ca716278SGerd Hoffmann epctx->interval = 1 << ((ctx[0] >> 16) & 0xff); 1327003e15a1SGerd Hoffmann } 1328003e15a1SGerd Hoffmann 1329003e15a1SGerd Hoffmann static TRBCCode xhci_enable_ep(XHCIState *xhci, unsigned int slotid, 1330003e15a1SGerd Hoffmann unsigned int epid, dma_addr_t pctx, 1331003e15a1SGerd Hoffmann uint32_t *ctx) 1332003e15a1SGerd Hoffmann { 1333003e15a1SGerd Hoffmann XHCISlot *slot; 1334003e15a1SGerd Hoffmann XHCIEPContext *epctx; 1335003e15a1SGerd Hoffmann 1336003e15a1SGerd Hoffmann trace_usb_xhci_ep_enable(slotid, epid); 1337003e15a1SGerd Hoffmann assert(slotid >= 1 && slotid <= xhci->numslots); 1338003e15a1SGerd Hoffmann assert(epid >= 1 && epid <= 31); 1339003e15a1SGerd Hoffmann 1340003e15a1SGerd Hoffmann slot = &xhci->slots[slotid-1]; 1341003e15a1SGerd Hoffmann if (slot->eps[epid-1]) { 1342003e15a1SGerd Hoffmann xhci_disable_ep(xhci, slotid, epid); 1343003e15a1SGerd Hoffmann } 1344003e15a1SGerd Hoffmann 1345003e15a1SGerd Hoffmann epctx = xhci_alloc_epctx(xhci, slotid, epid); 1346003e15a1SGerd Hoffmann slot->eps[epid-1] = epctx; 1347003e15a1SGerd Hoffmann xhci_init_epctx(epctx, pctx, ctx); 1348003e15a1SGerd Hoffmann 13498c244210SGonglei DPRINTF("xhci: endpoint %d.%d type is %d, max transaction (burst) " 13508c244210SGonglei "size is %d\n", epid/2, epid%2, epctx->type, epctx->max_psize); 13518c244210SGonglei 13523d139684SGerd Hoffmann epctx->mfindex_last = 0; 13533d139684SGerd Hoffmann 1354f1ae32a1SGerd Hoffmann epctx->state = EP_RUNNING; 1355f1ae32a1SGerd Hoffmann ctx[0] &= ~EP_STATE_MASK; 1356f1ae32a1SGerd Hoffmann ctx[0] |= EP_RUNNING; 1357f1ae32a1SGerd Hoffmann 1358f1ae32a1SGerd Hoffmann return CC_SUCCESS; 1359f1ae32a1SGerd Hoffmann } 1360f1ae32a1SGerd Hoffmann 136194b037f2SGerd Hoffmann static XHCITransfer *xhci_ep_alloc_xfer(XHCIEPContext *epctx, 136294b037f2SGerd Hoffmann uint32_t length) 136394b037f2SGerd Hoffmann { 136494b037f2SGerd Hoffmann uint32_t limit = epctx->nr_pstreams + 16; 136594b037f2SGerd Hoffmann XHCITransfer *xfer; 136694b037f2SGerd Hoffmann 136794b037f2SGerd Hoffmann if (epctx->xfer_count >= limit) { 136894b037f2SGerd Hoffmann return NULL; 136994b037f2SGerd Hoffmann } 137094b037f2SGerd Hoffmann 137194b037f2SGerd Hoffmann xfer = g_new0(XHCITransfer, 1); 137294b037f2SGerd Hoffmann xfer->epctx = epctx; 137394b037f2SGerd Hoffmann xfer->trbs = g_new(XHCITRB, length); 137494b037f2SGerd Hoffmann xfer->trb_count = length; 137594b037f2SGerd Hoffmann usb_packet_init(&xfer->packet); 137694b037f2SGerd Hoffmann 137794b037f2SGerd Hoffmann QTAILQ_INSERT_TAIL(&epctx->transfers, xfer, next); 137894b037f2SGerd Hoffmann epctx->xfer_count++; 137994b037f2SGerd Hoffmann 138094b037f2SGerd Hoffmann return xfer; 138194b037f2SGerd Hoffmann } 138294b037f2SGerd Hoffmann 138394b037f2SGerd Hoffmann static void xhci_ep_free_xfer(XHCITransfer *xfer) 138494b037f2SGerd Hoffmann { 138594b037f2SGerd Hoffmann QTAILQ_REMOVE(&xfer->epctx->transfers, xfer, next); 138694b037f2SGerd Hoffmann xfer->epctx->xfer_count--; 138794b037f2SGerd Hoffmann 138894b037f2SGerd Hoffmann usb_packet_cleanup(&xfer->packet); 138994b037f2SGerd Hoffmann g_free(xfer->trbs); 139094b037f2SGerd Hoffmann g_free(xfer); 139194b037f2SGerd Hoffmann } 139294b037f2SGerd Hoffmann 1393582d6f4aSHans de Goede static int xhci_ep_nuke_one_xfer(XHCITransfer *t, TRBCCode report) 13943151f209SHans de Goede { 13953151f209SHans de Goede int killed = 0; 13963151f209SHans de Goede 1397582d6f4aSHans de Goede if (report && (t->running_async || t->running_retry)) { 1398582d6f4aSHans de Goede t->status = report; 1399582d6f4aSHans de Goede xhci_xfer_report(t); 1400582d6f4aSHans de Goede } 1401582d6f4aSHans de Goede 14023151f209SHans de Goede if (t->running_async) { 14033151f209SHans de Goede usb_cancel_packet(&t->packet); 14043151f209SHans de Goede t->running_async = 0; 14053151f209SHans de Goede killed = 1; 14063151f209SHans de Goede } 14073151f209SHans de Goede if (t->running_retry) { 14085612564eSGerd Hoffmann if (t->epctx) { 14095612564eSGerd Hoffmann t->epctx->retry = NULL; 14105612564eSGerd Hoffmann timer_del(t->epctx->kick_timer); 14113151f209SHans de Goede } 14123151f209SHans de Goede t->running_retry = 0; 1413582d6f4aSHans de Goede killed = 1; 14143151f209SHans de Goede } 14153151f209SHans de Goede g_free(t->trbs); 14163151f209SHans de Goede 14173151f209SHans de Goede t->trbs = NULL; 141894b037f2SGerd Hoffmann t->trb_count = 0; 14193151f209SHans de Goede 14203151f209SHans de Goede return killed; 14213151f209SHans de Goede } 14223151f209SHans de Goede 1423f1ae32a1SGerd Hoffmann static int xhci_ep_nuke_xfers(XHCIState *xhci, unsigned int slotid, 1424582d6f4aSHans de Goede unsigned int epid, TRBCCode report) 1425f1ae32a1SGerd Hoffmann { 1426f1ae32a1SGerd Hoffmann XHCISlot *slot; 1427f1ae32a1SGerd Hoffmann XHCIEPContext *epctx; 142894b037f2SGerd Hoffmann XHCITransfer *xfer; 142994b037f2SGerd Hoffmann int killed = 0; 1430f79738b0SHans de Goede USBEndpoint *ep = NULL; 143191062ae0SGerd Hoffmann assert(slotid >= 1 && slotid <= xhci->numslots); 1432f1ae32a1SGerd Hoffmann assert(epid >= 1 && epid <= 31); 1433f1ae32a1SGerd Hoffmann 1434f1ae32a1SGerd Hoffmann DPRINTF("xhci_ep_nuke_xfers(%d, %d)\n", slotid, epid); 1435f1ae32a1SGerd Hoffmann 1436f1ae32a1SGerd Hoffmann slot = &xhci->slots[slotid-1]; 1437f1ae32a1SGerd Hoffmann 1438f1ae32a1SGerd Hoffmann if (!slot->eps[epid-1]) { 1439f1ae32a1SGerd Hoffmann return 0; 1440f1ae32a1SGerd Hoffmann } 1441f1ae32a1SGerd Hoffmann 1442f1ae32a1SGerd Hoffmann epctx = slot->eps[epid-1]; 1443f1ae32a1SGerd Hoffmann 144494b037f2SGerd Hoffmann for (;;) { 144594b037f2SGerd Hoffmann xfer = QTAILQ_FIRST(&epctx->transfers); 144694b037f2SGerd Hoffmann if (xfer == NULL) { 144794b037f2SGerd Hoffmann break; 144894b037f2SGerd Hoffmann } 144994b037f2SGerd Hoffmann killed += xhci_ep_nuke_one_xfer(xfer, report); 1450582d6f4aSHans de Goede if (killed) { 1451582d6f4aSHans de Goede report = 0; /* Only report once */ 1452582d6f4aSHans de Goede } 145394b037f2SGerd Hoffmann xhci_ep_free_xfer(xfer); 1454f1ae32a1SGerd Hoffmann } 1455518ad5f2SHans de Goede 1456070eeef9SGerd Hoffmann ep = xhci_epid_to_usbep(epctx); 1457f79738b0SHans de Goede if (ep) { 1458f79738b0SHans de Goede usb_device_ep_stopped(ep->dev, ep); 1459f79738b0SHans de Goede } 1460f1ae32a1SGerd Hoffmann return killed; 1461f1ae32a1SGerd Hoffmann } 1462f1ae32a1SGerd Hoffmann 1463f1ae32a1SGerd Hoffmann static TRBCCode xhci_disable_ep(XHCIState *xhci, unsigned int slotid, 1464f1ae32a1SGerd Hoffmann unsigned int epid) 1465f1ae32a1SGerd Hoffmann { 1466f1ae32a1SGerd Hoffmann XHCISlot *slot; 1467f1ae32a1SGerd Hoffmann XHCIEPContext *epctx; 1468f1ae32a1SGerd Hoffmann 1469c1f6b493SGerd Hoffmann trace_usb_xhci_ep_disable(slotid, epid); 147091062ae0SGerd Hoffmann assert(slotid >= 1 && slotid <= xhci->numslots); 1471f1ae32a1SGerd Hoffmann assert(epid >= 1 && epid <= 31); 1472f1ae32a1SGerd Hoffmann 1473f1ae32a1SGerd Hoffmann slot = &xhci->slots[slotid-1]; 1474f1ae32a1SGerd Hoffmann 1475f1ae32a1SGerd Hoffmann if (!slot->eps[epid-1]) { 1476f1ae32a1SGerd Hoffmann DPRINTF("xhci: slot %d ep %d already disabled\n", slotid, epid); 1477f1ae32a1SGerd Hoffmann return CC_SUCCESS; 1478f1ae32a1SGerd Hoffmann } 1479f1ae32a1SGerd Hoffmann 1480582d6f4aSHans de Goede xhci_ep_nuke_xfers(xhci, slotid, epid, 0); 1481f1ae32a1SGerd Hoffmann 1482f1ae32a1SGerd Hoffmann epctx = slot->eps[epid-1]; 1483f1ae32a1SGerd Hoffmann 1484024426acSGerd Hoffmann if (epctx->nr_pstreams) { 1485024426acSGerd Hoffmann xhci_free_streams(epctx); 1486024426acSGerd Hoffmann } 1487024426acSGerd Hoffmann 1488491d68d9SRoman Kagan /* only touch guest RAM if we're not resetting the HC */ 1489491d68d9SRoman Kagan if (xhci->dcbaap_low || xhci->dcbaap_high) { 1490024426acSGerd Hoffmann xhci_set_ep_state(xhci, epctx, NULL, EP_DISABLED); 1491491d68d9SRoman Kagan } 1492f1ae32a1SGerd Hoffmann 1493bc72ad67SAlex Bligh timer_free(epctx->kick_timer); 1494f1ae32a1SGerd Hoffmann g_free(epctx); 1495f1ae32a1SGerd Hoffmann slot->eps[epid-1] = NULL; 1496f1ae32a1SGerd Hoffmann 1497f1ae32a1SGerd Hoffmann return CC_SUCCESS; 1498f1ae32a1SGerd Hoffmann } 1499f1ae32a1SGerd Hoffmann 1500f1ae32a1SGerd Hoffmann static TRBCCode xhci_stop_ep(XHCIState *xhci, unsigned int slotid, 1501f1ae32a1SGerd Hoffmann unsigned int epid) 1502f1ae32a1SGerd Hoffmann { 1503f1ae32a1SGerd Hoffmann XHCISlot *slot; 1504f1ae32a1SGerd Hoffmann XHCIEPContext *epctx; 1505f1ae32a1SGerd Hoffmann 1506c1f6b493SGerd Hoffmann trace_usb_xhci_ep_stop(slotid, epid); 150791062ae0SGerd Hoffmann assert(slotid >= 1 && slotid <= xhci->numslots); 1508f1ae32a1SGerd Hoffmann 1509f1ae32a1SGerd Hoffmann if (epid < 1 || epid > 31) { 1510d6bb65fcSGerd Hoffmann DPRINTF("xhci: bad ep %d\n", epid); 1511f1ae32a1SGerd Hoffmann return CC_TRB_ERROR; 1512f1ae32a1SGerd Hoffmann } 1513f1ae32a1SGerd Hoffmann 1514f1ae32a1SGerd Hoffmann slot = &xhci->slots[slotid-1]; 1515f1ae32a1SGerd Hoffmann 1516f1ae32a1SGerd Hoffmann if (!slot->eps[epid-1]) { 1517f1ae32a1SGerd Hoffmann DPRINTF("xhci: slot %d ep %d not enabled\n", slotid, epid); 1518f1ae32a1SGerd Hoffmann return CC_EP_NOT_ENABLED_ERROR; 1519f1ae32a1SGerd Hoffmann } 1520f1ae32a1SGerd Hoffmann 1521582d6f4aSHans de Goede if (xhci_ep_nuke_xfers(xhci, slotid, epid, CC_STOPPED) > 0) { 1522d6bb65fcSGerd Hoffmann DPRINTF("xhci: FIXME: endpoint stopped w/ xfers running, " 1523f1ae32a1SGerd Hoffmann "data might be lost\n"); 1524f1ae32a1SGerd Hoffmann } 1525f1ae32a1SGerd Hoffmann 1526f1ae32a1SGerd Hoffmann epctx = slot->eps[epid-1]; 1527f1ae32a1SGerd Hoffmann 1528024426acSGerd Hoffmann xhci_set_ep_state(xhci, epctx, NULL, EP_STOPPED); 1529024426acSGerd Hoffmann 1530024426acSGerd Hoffmann if (epctx->nr_pstreams) { 1531024426acSGerd Hoffmann xhci_reset_streams(epctx); 1532024426acSGerd Hoffmann } 1533f1ae32a1SGerd Hoffmann 1534f1ae32a1SGerd Hoffmann return CC_SUCCESS; 1535f1ae32a1SGerd Hoffmann } 1536f1ae32a1SGerd Hoffmann 1537f1ae32a1SGerd Hoffmann static TRBCCode xhci_reset_ep(XHCIState *xhci, unsigned int slotid, 1538f1ae32a1SGerd Hoffmann unsigned int epid) 1539f1ae32a1SGerd Hoffmann { 1540f1ae32a1SGerd Hoffmann XHCISlot *slot; 1541f1ae32a1SGerd Hoffmann XHCIEPContext *epctx; 1542f1ae32a1SGerd Hoffmann 1543c1f6b493SGerd Hoffmann trace_usb_xhci_ep_reset(slotid, epid); 154491062ae0SGerd Hoffmann assert(slotid >= 1 && slotid <= xhci->numslots); 1545f1ae32a1SGerd Hoffmann 1546f1ae32a1SGerd Hoffmann if (epid < 1 || epid > 31) { 1547d6bb65fcSGerd Hoffmann DPRINTF("xhci: bad ep %d\n", epid); 1548f1ae32a1SGerd Hoffmann return CC_TRB_ERROR; 1549f1ae32a1SGerd Hoffmann } 1550f1ae32a1SGerd Hoffmann 1551f1ae32a1SGerd Hoffmann slot = &xhci->slots[slotid-1]; 1552f1ae32a1SGerd Hoffmann 1553f1ae32a1SGerd Hoffmann if (!slot->eps[epid-1]) { 1554f1ae32a1SGerd Hoffmann DPRINTF("xhci: slot %d ep %d not enabled\n", slotid, epid); 1555f1ae32a1SGerd Hoffmann return CC_EP_NOT_ENABLED_ERROR; 1556f1ae32a1SGerd Hoffmann } 1557f1ae32a1SGerd Hoffmann 1558f1ae32a1SGerd Hoffmann epctx = slot->eps[epid-1]; 1559f1ae32a1SGerd Hoffmann 1560f1ae32a1SGerd Hoffmann if (epctx->state != EP_HALTED) { 1561d6bb65fcSGerd Hoffmann DPRINTF("xhci: reset EP while EP %d not halted (%d)\n", 1562f1ae32a1SGerd Hoffmann epid, epctx->state); 1563f1ae32a1SGerd Hoffmann return CC_CONTEXT_STATE_ERROR; 1564f1ae32a1SGerd Hoffmann } 1565f1ae32a1SGerd Hoffmann 1566582d6f4aSHans de Goede if (xhci_ep_nuke_xfers(xhci, slotid, epid, 0) > 0) { 1567d6bb65fcSGerd Hoffmann DPRINTF("xhci: FIXME: endpoint reset w/ xfers running, " 1568f1ae32a1SGerd Hoffmann "data might be lost\n"); 1569f1ae32a1SGerd Hoffmann } 1570f1ae32a1SGerd Hoffmann 157175cc1c1fSGerd Hoffmann if (!xhci->slots[slotid-1].uport || 1572de9de157SHans de Goede !xhci->slots[slotid-1].uport->dev || 1573de9de157SHans de Goede !xhci->slots[slotid-1].uport->dev->attached) { 1574f1ae32a1SGerd Hoffmann return CC_USB_TRANSACTION_ERROR; 1575f1ae32a1SGerd Hoffmann } 1576f1ae32a1SGerd Hoffmann 1577024426acSGerd Hoffmann xhci_set_ep_state(xhci, epctx, NULL, EP_STOPPED); 1578024426acSGerd Hoffmann 1579024426acSGerd Hoffmann if (epctx->nr_pstreams) { 1580024426acSGerd Hoffmann xhci_reset_streams(epctx); 1581024426acSGerd Hoffmann } 1582f1ae32a1SGerd Hoffmann 1583f1ae32a1SGerd Hoffmann return CC_SUCCESS; 1584f1ae32a1SGerd Hoffmann } 1585f1ae32a1SGerd Hoffmann 1586f1ae32a1SGerd Hoffmann static TRBCCode xhci_set_ep_dequeue(XHCIState *xhci, unsigned int slotid, 1587024426acSGerd Hoffmann unsigned int epid, unsigned int streamid, 1588024426acSGerd Hoffmann uint64_t pdequeue) 1589f1ae32a1SGerd Hoffmann { 1590f1ae32a1SGerd Hoffmann XHCISlot *slot; 1591f1ae32a1SGerd Hoffmann XHCIEPContext *epctx; 1592024426acSGerd Hoffmann XHCIStreamContext *sctx; 159359a70ccdSDavid Gibson dma_addr_t dequeue; 1594f1ae32a1SGerd Hoffmann 159591062ae0SGerd Hoffmann assert(slotid >= 1 && slotid <= xhci->numslots); 1596f1ae32a1SGerd Hoffmann 1597f1ae32a1SGerd Hoffmann if (epid < 1 || epid > 31) { 1598d6bb65fcSGerd Hoffmann DPRINTF("xhci: bad ep %d\n", epid); 1599f1ae32a1SGerd Hoffmann return CC_TRB_ERROR; 1600f1ae32a1SGerd Hoffmann } 1601f1ae32a1SGerd Hoffmann 1602024426acSGerd Hoffmann trace_usb_xhci_ep_set_dequeue(slotid, epid, streamid, pdequeue); 1603f1ae32a1SGerd Hoffmann dequeue = xhci_mask64(pdequeue); 1604f1ae32a1SGerd Hoffmann 1605f1ae32a1SGerd Hoffmann slot = &xhci->slots[slotid-1]; 1606f1ae32a1SGerd Hoffmann 1607f1ae32a1SGerd Hoffmann if (!slot->eps[epid-1]) { 1608f1ae32a1SGerd Hoffmann DPRINTF("xhci: slot %d ep %d not enabled\n", slotid, epid); 1609f1ae32a1SGerd Hoffmann return CC_EP_NOT_ENABLED_ERROR; 1610f1ae32a1SGerd Hoffmann } 1611f1ae32a1SGerd Hoffmann 1612f1ae32a1SGerd Hoffmann epctx = slot->eps[epid-1]; 1613f1ae32a1SGerd Hoffmann 1614f1ae32a1SGerd Hoffmann if (epctx->state != EP_STOPPED) { 1615d6bb65fcSGerd Hoffmann DPRINTF("xhci: set EP dequeue pointer while EP %d not stopped\n", epid); 1616f1ae32a1SGerd Hoffmann return CC_CONTEXT_STATE_ERROR; 1617f1ae32a1SGerd Hoffmann } 1618f1ae32a1SGerd Hoffmann 1619024426acSGerd Hoffmann if (epctx->nr_pstreams) { 1620024426acSGerd Hoffmann uint32_t err; 1621024426acSGerd Hoffmann sctx = xhci_find_stream(epctx, streamid, &err); 1622024426acSGerd Hoffmann if (sctx == NULL) { 1623024426acSGerd Hoffmann return err; 1624024426acSGerd Hoffmann } 1625024426acSGerd Hoffmann xhci_ring_init(xhci, &sctx->ring, dequeue & ~0xf); 1626024426acSGerd Hoffmann sctx->ring.ccs = dequeue & 1; 1627024426acSGerd Hoffmann } else { 1628024426acSGerd Hoffmann sctx = NULL; 1629f1ae32a1SGerd Hoffmann xhci_ring_init(xhci, &epctx->ring, dequeue & ~0xF); 1630f1ae32a1SGerd Hoffmann epctx->ring.ccs = dequeue & 1; 1631024426acSGerd Hoffmann } 1632f1ae32a1SGerd Hoffmann 1633024426acSGerd Hoffmann xhci_set_ep_state(xhci, epctx, sctx, EP_STOPPED); 1634f1ae32a1SGerd Hoffmann 1635f1ae32a1SGerd Hoffmann return CC_SUCCESS; 1636f1ae32a1SGerd Hoffmann } 1637f1ae32a1SGerd Hoffmann 1638a6fb2ddbSHans de Goede static int xhci_xfer_create_sgl(XHCITransfer *xfer, int in_xfer) 1639f1ae32a1SGerd Hoffmann { 16405612564eSGerd Hoffmann XHCIState *xhci = xfer->epctx->xhci; 1641d5a15814SGerd Hoffmann int i; 1642f1ae32a1SGerd Hoffmann 1643a6fb2ddbSHans de Goede xfer->int_req = false; 16449b7d3334SAndreas Färber pci_dma_sglist_init(&xfer->sgl, PCI_DEVICE(xhci), xfer->trb_count); 1645f1ae32a1SGerd Hoffmann for (i = 0; i < xfer->trb_count; i++) { 1646f1ae32a1SGerd Hoffmann XHCITRB *trb = &xfer->trbs[i]; 164759a70ccdSDavid Gibson dma_addr_t addr; 1648f1ae32a1SGerd Hoffmann unsigned int chunk = 0; 1649f1ae32a1SGerd Hoffmann 1650a6fb2ddbSHans de Goede if (trb->control & TRB_TR_IOC) { 1651a6fb2ddbSHans de Goede xfer->int_req = true; 1652a6fb2ddbSHans de Goede } 1653a6fb2ddbSHans de Goede 1654f1ae32a1SGerd Hoffmann switch (TRB_TYPE(*trb)) { 1655f1ae32a1SGerd Hoffmann case TR_DATA: 1656f1ae32a1SGerd Hoffmann if ((!(trb->control & TRB_TR_DIR)) != (!in_xfer)) { 1657d6bb65fcSGerd Hoffmann DPRINTF("xhci: data direction mismatch for TR_DATA\n"); 1658d5a15814SGerd Hoffmann goto err; 1659f1ae32a1SGerd Hoffmann } 1660f1ae32a1SGerd Hoffmann /* fallthrough */ 1661f1ae32a1SGerd Hoffmann case TR_NORMAL: 1662f1ae32a1SGerd Hoffmann case TR_ISOCH: 1663f1ae32a1SGerd Hoffmann addr = xhci_mask64(trb->parameter); 1664f1ae32a1SGerd Hoffmann chunk = trb->status & 0x1ffff; 1665f1ae32a1SGerd Hoffmann if (trb->control & TRB_TR_IDT) { 1666f1ae32a1SGerd Hoffmann if (chunk > 8 || in_xfer) { 1667d6bb65fcSGerd Hoffmann DPRINTF("xhci: invalid immediate data TRB\n"); 1668d5a15814SGerd Hoffmann goto err; 1669d5a15814SGerd Hoffmann } 1670d5a15814SGerd Hoffmann qemu_sglist_add(&xfer->sgl, trb->addr, chunk); 1671d5a15814SGerd Hoffmann } else { 1672d5a15814SGerd Hoffmann qemu_sglist_add(&xfer->sgl, addr, chunk); 1673d5a15814SGerd Hoffmann } 1674d5a15814SGerd Hoffmann break; 1675d5a15814SGerd Hoffmann } 1676d5a15814SGerd Hoffmann } 1677d5a15814SGerd Hoffmann 1678d5a15814SGerd Hoffmann return 0; 1679d5a15814SGerd Hoffmann 1680d5a15814SGerd Hoffmann err: 1681d5a15814SGerd Hoffmann qemu_sglist_destroy(&xfer->sgl); 1682f1ae32a1SGerd Hoffmann xhci_die(xhci); 1683d5a15814SGerd Hoffmann return -1; 1684f1ae32a1SGerd Hoffmann } 1685d5a15814SGerd Hoffmann 1686d5a15814SGerd Hoffmann static void xhci_xfer_unmap(XHCITransfer *xfer) 1687d5a15814SGerd Hoffmann { 1688d5a15814SGerd Hoffmann usb_packet_unmap(&xfer->packet, &xfer->sgl); 1689d5a15814SGerd Hoffmann qemu_sglist_destroy(&xfer->sgl); 1690f1ae32a1SGerd Hoffmann } 1691d5a15814SGerd Hoffmann 1692d5a15814SGerd Hoffmann static void xhci_xfer_report(XHCITransfer *xfer) 1693d5a15814SGerd Hoffmann { 1694d5a15814SGerd Hoffmann uint32_t edtla = 0; 1695d5a15814SGerd Hoffmann unsigned int left; 1696d5a15814SGerd Hoffmann bool reported = 0; 1697d5a15814SGerd Hoffmann bool shortpkt = 0; 1698d5a15814SGerd Hoffmann XHCIEvent event = {ER_TRANSFER, CC_SUCCESS}; 16995612564eSGerd Hoffmann XHCIState *xhci = xfer->epctx->xhci; 1700f1ae32a1SGerd Hoffmann int i; 1701d5a15814SGerd Hoffmann 17029b8251c5SHans de Goede left = xfer->packet.actual_length; 1703d5a15814SGerd Hoffmann 1704d5a15814SGerd Hoffmann for (i = 0; i < xfer->trb_count; i++) { 1705d5a15814SGerd Hoffmann XHCITRB *trb = &xfer->trbs[i]; 1706d5a15814SGerd Hoffmann unsigned int chunk = 0; 1707d5a15814SGerd Hoffmann 1708d5a15814SGerd Hoffmann switch (TRB_TYPE(*trb)) { 1709b66ad1f1SHans Petter Selasky case TR_SETUP: 1710b66ad1f1SHans Petter Selasky chunk = trb->status & 0x1ffff; 1711b66ad1f1SHans Petter Selasky if (chunk > 8) { 1712b66ad1f1SHans Petter Selasky chunk = 8; 1713b66ad1f1SHans Petter Selasky } 1714b66ad1f1SHans Petter Selasky break; 1715d5a15814SGerd Hoffmann case TR_DATA: 1716d5a15814SGerd Hoffmann case TR_NORMAL: 1717d5a15814SGerd Hoffmann case TR_ISOCH: 1718d5a15814SGerd Hoffmann chunk = trb->status & 0x1ffff; 1719d5a15814SGerd Hoffmann if (chunk > left) { 1720d5a15814SGerd Hoffmann chunk = left; 1721d5a15814SGerd Hoffmann if (xfer->status == CC_SUCCESS) { 1722d5a15814SGerd Hoffmann shortpkt = 1; 1723f1ae32a1SGerd Hoffmann } 1724f1ae32a1SGerd Hoffmann } 1725f1ae32a1SGerd Hoffmann left -= chunk; 1726f1ae32a1SGerd Hoffmann edtla += chunk; 1727f1ae32a1SGerd Hoffmann break; 1728f1ae32a1SGerd Hoffmann case TR_STATUS: 1729f1ae32a1SGerd Hoffmann reported = 0; 1730f1ae32a1SGerd Hoffmann shortpkt = 0; 1731f1ae32a1SGerd Hoffmann break; 1732f1ae32a1SGerd Hoffmann } 1733f1ae32a1SGerd Hoffmann 173488dbed3fSGerd Hoffmann if (!reported && ((trb->control & TRB_TR_IOC) || 173588dbed3fSGerd Hoffmann (shortpkt && (trb->control & TRB_TR_ISP)) || 173688dbed3fSGerd Hoffmann (xfer->status != CC_SUCCESS && left == 0))) { 1737d6fcb293SGerd Hoffmann event.slotid = xfer->epctx->slotid; 1738d6fcb293SGerd Hoffmann event.epid = xfer->epctx->epid; 1739f1ae32a1SGerd Hoffmann event.length = (trb->status & 0x1ffff) - chunk; 1740f1ae32a1SGerd Hoffmann event.flags = 0; 1741f1ae32a1SGerd Hoffmann event.ptr = trb->addr; 1742f1ae32a1SGerd Hoffmann if (xfer->status == CC_SUCCESS) { 1743f1ae32a1SGerd Hoffmann event.ccode = shortpkt ? CC_SHORT_PACKET : CC_SUCCESS; 1744f1ae32a1SGerd Hoffmann } else { 1745f1ae32a1SGerd Hoffmann event.ccode = xfer->status; 1746f1ae32a1SGerd Hoffmann } 1747f1ae32a1SGerd Hoffmann if (TRB_TYPE(*trb) == TR_EVDATA) { 1748f1ae32a1SGerd Hoffmann event.ptr = trb->parameter; 1749f1ae32a1SGerd Hoffmann event.flags |= TRB_EV_ED; 1750f1ae32a1SGerd Hoffmann event.length = edtla & 0xffffff; 1751f1ae32a1SGerd Hoffmann DPRINTF("xhci_xfer_data: EDTLA=%d\n", event.length); 1752f1ae32a1SGerd Hoffmann edtla = 0; 1753f1ae32a1SGerd Hoffmann } 17542d1de850SGerd Hoffmann xhci_event(xhci, &event, TRB_INTR(*trb)); 1755f1ae32a1SGerd Hoffmann reported = 1; 1756d5a15814SGerd Hoffmann if (xfer->status != CC_SUCCESS) { 1757d5a15814SGerd Hoffmann return; 1758f1ae32a1SGerd Hoffmann } 1759f1ae32a1SGerd Hoffmann } 1760df0f1692SGerd Hoffmann 1761df0f1692SGerd Hoffmann switch (TRB_TYPE(*trb)) { 1762df0f1692SGerd Hoffmann case TR_SETUP: 1763df0f1692SGerd Hoffmann reported = 0; 1764df0f1692SGerd Hoffmann shortpkt = 0; 1765df0f1692SGerd Hoffmann break; 1766df0f1692SGerd Hoffmann } 1767df0f1692SGerd Hoffmann 1768d5a15814SGerd Hoffmann } 1769f1ae32a1SGerd Hoffmann } 1770f1ae32a1SGerd Hoffmann 1771f1ae32a1SGerd Hoffmann static void xhci_stall_ep(XHCITransfer *xfer) 1772f1ae32a1SGerd Hoffmann { 17735612564eSGerd Hoffmann XHCIEPContext *epctx = xfer->epctx; 17745612564eSGerd Hoffmann XHCIState *xhci = epctx->xhci; 1775024426acSGerd Hoffmann uint32_t err; 1776024426acSGerd Hoffmann XHCIStreamContext *sctx; 1777f1ae32a1SGerd Hoffmann 1778024426acSGerd Hoffmann if (epctx->nr_pstreams) { 1779024426acSGerd Hoffmann sctx = xhci_find_stream(epctx, xfer->streamid, &err); 1780024426acSGerd Hoffmann if (sctx == NULL) { 1781024426acSGerd Hoffmann return; 1782024426acSGerd Hoffmann } 1783024426acSGerd Hoffmann sctx->ring.dequeue = xfer->trbs[0].addr; 1784024426acSGerd Hoffmann sctx->ring.ccs = xfer->trbs[0].ccs; 1785024426acSGerd Hoffmann xhci_set_ep_state(xhci, epctx, sctx, EP_HALTED); 1786024426acSGerd Hoffmann } else { 1787f1ae32a1SGerd Hoffmann epctx->ring.dequeue = xfer->trbs[0].addr; 1788f1ae32a1SGerd Hoffmann epctx->ring.ccs = xfer->trbs[0].ccs; 1789024426acSGerd Hoffmann xhci_set_ep_state(xhci, epctx, NULL, EP_HALTED); 1790024426acSGerd Hoffmann } 1791f1ae32a1SGerd Hoffmann } 1792f1ae32a1SGerd Hoffmann 1793f1ae32a1SGerd Hoffmann static int xhci_submit(XHCIState *xhci, XHCITransfer *xfer, 1794f1ae32a1SGerd Hoffmann XHCIEPContext *epctx); 1795f1ae32a1SGerd Hoffmann 17965c08106fSGerd Hoffmann static int xhci_setup_packet(XHCITransfer *xfer) 17975c08106fSGerd Hoffmann { 1798f1ae32a1SGerd Hoffmann USBEndpoint *ep; 1799f1ae32a1SGerd Hoffmann int dir; 1800f1ae32a1SGerd Hoffmann 1801f1ae32a1SGerd Hoffmann dir = xfer->in_xfer ? USB_TOKEN_IN : USB_TOKEN_OUT; 18025c08106fSGerd Hoffmann 18035c08106fSGerd Hoffmann if (xfer->packet.ep) { 18045c08106fSGerd Hoffmann ep = xfer->packet.ep; 18055c08106fSGerd Hoffmann } else { 1806070eeef9SGerd Hoffmann ep = xhci_epid_to_usbep(xfer->epctx); 1807518ad5f2SHans de Goede if (!ep) { 1808d6bb65fcSGerd Hoffmann DPRINTF("xhci: slot %d has no device\n", 1809ccaf87a0SGerd Hoffmann xfer->slotid); 18105c08106fSGerd Hoffmann return -1; 18115c08106fSGerd Hoffmann } 18125c08106fSGerd Hoffmann } 18135c08106fSGerd Hoffmann 1814a6fb2ddbSHans de Goede xhci_xfer_create_sgl(xfer, dir == USB_TOKEN_IN); /* Also sets int_req */ 1815024426acSGerd Hoffmann usb_packet_setup(&xfer->packet, dir, ep, xfer->streamid, 18168550a02dSGerd Hoffmann xfer->trbs[0].addr, false, xfer->int_req); 1817a6fb2ddbSHans de Goede usb_packet_map(&xfer->packet, &xfer->sgl); 1818f1ae32a1SGerd Hoffmann DPRINTF("xhci: setup packet pid 0x%x addr %d ep %d\n", 1819518ad5f2SHans de Goede xfer->packet.pid, ep->dev->addr, ep->nr); 1820f1ae32a1SGerd Hoffmann return 0; 1821f1ae32a1SGerd Hoffmann } 1822f1ae32a1SGerd Hoffmann 182313e8ff7aSGerd Hoffmann static int xhci_try_complete_packet(XHCITransfer *xfer) 1824f1ae32a1SGerd Hoffmann { 18259a77a0f5SHans de Goede if (xfer->packet.status == USB_RET_ASYNC) { 182697df650bSGerd Hoffmann trace_usb_xhci_xfer_async(xfer); 1827f1ae32a1SGerd Hoffmann xfer->running_async = 1; 1828f1ae32a1SGerd Hoffmann xfer->running_retry = 0; 1829f1ae32a1SGerd Hoffmann xfer->complete = 0; 1830f1ae32a1SGerd Hoffmann return 0; 18319a77a0f5SHans de Goede } else if (xfer->packet.status == USB_RET_NAK) { 183297df650bSGerd Hoffmann trace_usb_xhci_xfer_nak(xfer); 1833f1ae32a1SGerd Hoffmann xfer->running_async = 0; 1834f1ae32a1SGerd Hoffmann xfer->running_retry = 1; 1835f1ae32a1SGerd Hoffmann xfer->complete = 0; 1836f1ae32a1SGerd Hoffmann return 0; 1837f1ae32a1SGerd Hoffmann } else { 1838f1ae32a1SGerd Hoffmann xfer->running_async = 0; 1839f1ae32a1SGerd Hoffmann xfer->running_retry = 0; 1840f1ae32a1SGerd Hoffmann xfer->complete = 1; 1841d5a15814SGerd Hoffmann xhci_xfer_unmap(xfer); 1842f1ae32a1SGerd Hoffmann } 1843f1ae32a1SGerd Hoffmann 18449a77a0f5SHans de Goede if (xfer->packet.status == USB_RET_SUCCESS) { 18459a77a0f5SHans de Goede trace_usb_xhci_xfer_success(xfer, xfer->packet.actual_length); 1846d5a15814SGerd Hoffmann xfer->status = CC_SUCCESS; 1847d5a15814SGerd Hoffmann xhci_xfer_report(xfer); 1848f1ae32a1SGerd Hoffmann return 0; 1849f1ae32a1SGerd Hoffmann } 1850f1ae32a1SGerd Hoffmann 1851f1ae32a1SGerd Hoffmann /* error */ 18529a77a0f5SHans de Goede trace_usb_xhci_xfer_error(xfer, xfer->packet.status); 18539a77a0f5SHans de Goede switch (xfer->packet.status) { 1854f1ae32a1SGerd Hoffmann case USB_RET_NODEV: 1855ed60ff02SGerd Hoffmann case USB_RET_IOERROR: 1856f1ae32a1SGerd Hoffmann xfer->status = CC_USB_TRANSACTION_ERROR; 1857d5a15814SGerd Hoffmann xhci_xfer_report(xfer); 1858f1ae32a1SGerd Hoffmann xhci_stall_ep(xfer); 1859f1ae32a1SGerd Hoffmann break; 1860f1ae32a1SGerd Hoffmann case USB_RET_STALL: 1861f1ae32a1SGerd Hoffmann xfer->status = CC_STALL_ERROR; 1862d5a15814SGerd Hoffmann xhci_xfer_report(xfer); 1863f1ae32a1SGerd Hoffmann xhci_stall_ep(xfer); 1864f1ae32a1SGerd Hoffmann break; 18654e906d56SGerd Hoffmann case USB_RET_BABBLE: 18664e906d56SGerd Hoffmann xfer->status = CC_BABBLE_DETECTED; 18674e906d56SGerd Hoffmann xhci_xfer_report(xfer); 18684e906d56SGerd Hoffmann xhci_stall_ep(xfer); 18694e906d56SGerd Hoffmann break; 1870f1ae32a1SGerd Hoffmann default: 1871d6bb65fcSGerd Hoffmann DPRINTF("%s: FIXME: status = %d\n", __func__, 18729a77a0f5SHans de Goede xfer->packet.status); 1873024426acSGerd Hoffmann FIXME("unhandled USB_RET_*"); 1874f1ae32a1SGerd Hoffmann } 1875f1ae32a1SGerd Hoffmann return 0; 1876f1ae32a1SGerd Hoffmann } 1877f1ae32a1SGerd Hoffmann 1878f1ae32a1SGerd Hoffmann static int xhci_fire_ctl_transfer(XHCIState *xhci, XHCITransfer *xfer) 1879f1ae32a1SGerd Hoffmann { 1880f1ae32a1SGerd Hoffmann XHCITRB *trb_setup, *trb_status; 1881f1ae32a1SGerd Hoffmann uint8_t bmRequestType; 1882f1ae32a1SGerd Hoffmann 1883f1ae32a1SGerd Hoffmann trb_setup = &xfer->trbs[0]; 1884f1ae32a1SGerd Hoffmann trb_status = &xfer->trbs[xfer->trb_count-1]; 1885f1ae32a1SGerd Hoffmann 1886d6fcb293SGerd Hoffmann trace_usb_xhci_xfer_start(xfer, xfer->epctx->slotid, 1887d6fcb293SGerd Hoffmann xfer->epctx->epid, xfer->streamid); 188897df650bSGerd Hoffmann 1889f1ae32a1SGerd Hoffmann /* at most one Event Data TRB allowed after STATUS */ 1890f1ae32a1SGerd Hoffmann if (TRB_TYPE(*trb_status) == TR_EVDATA && xfer->trb_count > 2) { 1891f1ae32a1SGerd Hoffmann trb_status--; 1892f1ae32a1SGerd Hoffmann } 1893f1ae32a1SGerd Hoffmann 1894f1ae32a1SGerd Hoffmann /* do some sanity checks */ 1895f1ae32a1SGerd Hoffmann if (TRB_TYPE(*trb_setup) != TR_SETUP) { 1896d6bb65fcSGerd Hoffmann DPRINTF("xhci: ep0 first TD not SETUP: %d\n", 1897f1ae32a1SGerd Hoffmann TRB_TYPE(*trb_setup)); 1898f1ae32a1SGerd Hoffmann return -1; 1899f1ae32a1SGerd Hoffmann } 1900f1ae32a1SGerd Hoffmann if (TRB_TYPE(*trb_status) != TR_STATUS) { 1901d6bb65fcSGerd Hoffmann DPRINTF("xhci: ep0 last TD not STATUS: %d\n", 1902f1ae32a1SGerd Hoffmann TRB_TYPE(*trb_status)); 1903f1ae32a1SGerd Hoffmann return -1; 1904f1ae32a1SGerd Hoffmann } 1905f1ae32a1SGerd Hoffmann if (!(trb_setup->control & TRB_TR_IDT)) { 1906d6bb65fcSGerd Hoffmann DPRINTF("xhci: Setup TRB doesn't have IDT set\n"); 1907f1ae32a1SGerd Hoffmann return -1; 1908f1ae32a1SGerd Hoffmann } 1909f1ae32a1SGerd Hoffmann if ((trb_setup->status & 0x1ffff) != 8) { 1910d6bb65fcSGerd Hoffmann DPRINTF("xhci: Setup TRB has bad length (%d)\n", 1911f1ae32a1SGerd Hoffmann (trb_setup->status & 0x1ffff)); 1912f1ae32a1SGerd Hoffmann return -1; 1913f1ae32a1SGerd Hoffmann } 1914f1ae32a1SGerd Hoffmann 1915f1ae32a1SGerd Hoffmann bmRequestType = trb_setup->parameter; 1916f1ae32a1SGerd Hoffmann 1917f1ae32a1SGerd Hoffmann xfer->in_xfer = bmRequestType & USB_DIR_IN; 1918f1ae32a1SGerd Hoffmann xfer->iso_xfer = false; 19194d7a81c0SGerd Hoffmann xfer->timed_xfer = false; 1920f1ae32a1SGerd Hoffmann 19215c08106fSGerd Hoffmann if (xhci_setup_packet(xfer) < 0) { 19225c08106fSGerd Hoffmann return -1; 19235c08106fSGerd Hoffmann } 1924f1ae32a1SGerd Hoffmann xfer->packet.parameter = trb_setup->parameter; 1925f1ae32a1SGerd Hoffmann 19269a77a0f5SHans de Goede usb_handle_packet(xfer->packet.ep->dev, &xfer->packet); 192713e8ff7aSGerd Hoffmann xhci_try_complete_packet(xfer); 1928f1ae32a1SGerd Hoffmann return 0; 1929f1ae32a1SGerd Hoffmann } 1930f1ae32a1SGerd Hoffmann 19314d7a81c0SGerd Hoffmann static void xhci_calc_intr_kick(XHCIState *xhci, XHCITransfer *xfer, 19324d7a81c0SGerd Hoffmann XHCIEPContext *epctx, uint64_t mfindex) 19334d7a81c0SGerd Hoffmann { 19344d7a81c0SGerd Hoffmann uint64_t asap = ((mfindex + epctx->interval - 1) & 19354d7a81c0SGerd Hoffmann ~(epctx->interval-1)); 19364d7a81c0SGerd Hoffmann uint64_t kick = epctx->mfindex_last + epctx->interval; 19374d7a81c0SGerd Hoffmann 19384d7a81c0SGerd Hoffmann assert(epctx->interval != 0); 19394d7a81c0SGerd Hoffmann xfer->mfindex_kick = MAX(asap, kick); 19404d7a81c0SGerd Hoffmann } 19414d7a81c0SGerd Hoffmann 19423d139684SGerd Hoffmann static void xhci_calc_iso_kick(XHCIState *xhci, XHCITransfer *xfer, 19433d139684SGerd Hoffmann XHCIEPContext *epctx, uint64_t mfindex) 19443d139684SGerd Hoffmann { 19453d139684SGerd Hoffmann if (xfer->trbs[0].control & TRB_TR_SIA) { 19463d139684SGerd Hoffmann uint64_t asap = ((mfindex + epctx->interval - 1) & 19473d139684SGerd Hoffmann ~(epctx->interval-1)); 19483d139684SGerd Hoffmann if (asap >= epctx->mfindex_last && 19493d139684SGerd Hoffmann asap <= epctx->mfindex_last + epctx->interval * 4) { 19503d139684SGerd Hoffmann xfer->mfindex_kick = epctx->mfindex_last + epctx->interval; 19513d139684SGerd Hoffmann } else { 19523d139684SGerd Hoffmann xfer->mfindex_kick = asap; 19533d139684SGerd Hoffmann } 19543d139684SGerd Hoffmann } else { 1955786ad214SGerd Hoffmann xfer->mfindex_kick = ((xfer->trbs[0].control >> TRB_TR_FRAMEID_SHIFT) 1956786ad214SGerd Hoffmann & TRB_TR_FRAMEID_MASK) << 3; 19573d139684SGerd Hoffmann xfer->mfindex_kick |= mfindex & ~0x3fff; 1958cc03ff9dSGerd Hoffmann if (xfer->mfindex_kick + 0x100 < mfindex) { 19593d139684SGerd Hoffmann xfer->mfindex_kick += 0x4000; 19603d139684SGerd Hoffmann } 19613d139684SGerd Hoffmann } 19623d139684SGerd Hoffmann } 19633d139684SGerd Hoffmann 19644d7a81c0SGerd Hoffmann static void xhci_check_intr_iso_kick(XHCIState *xhci, XHCITransfer *xfer, 19653d139684SGerd Hoffmann XHCIEPContext *epctx, uint64_t mfindex) 19663d139684SGerd Hoffmann { 19673d139684SGerd Hoffmann if (xfer->mfindex_kick > mfindex) { 1968bc72ad67SAlex Bligh timer_mod(epctx->kick_timer, qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) + 19693d139684SGerd Hoffmann (xfer->mfindex_kick - mfindex) * 125000); 19703d139684SGerd Hoffmann xfer->running_retry = 1; 19713d139684SGerd Hoffmann } else { 19723d139684SGerd Hoffmann epctx->mfindex_last = xfer->mfindex_kick; 1973bc72ad67SAlex Bligh timer_del(epctx->kick_timer); 19743d139684SGerd Hoffmann xfer->running_retry = 0; 19753d139684SGerd Hoffmann } 19763d139684SGerd Hoffmann } 19773d139684SGerd Hoffmann 19783d139684SGerd Hoffmann 1979f1ae32a1SGerd Hoffmann static int xhci_submit(XHCIState *xhci, XHCITransfer *xfer, XHCIEPContext *epctx) 1980f1ae32a1SGerd Hoffmann { 19813d139684SGerd Hoffmann uint64_t mfindex; 1982f1ae32a1SGerd Hoffmann 1983f1ae32a1SGerd Hoffmann DPRINTF("xhci_submit(slotid=%d,epid=%d)\n", xfer->slotid, xfer->epid); 1984f1ae32a1SGerd Hoffmann 1985f1ae32a1SGerd Hoffmann xfer->in_xfer = epctx->type>>2; 1986f1ae32a1SGerd Hoffmann 1987f1ae32a1SGerd Hoffmann switch(epctx->type) { 1988f1ae32a1SGerd Hoffmann case ET_INTR_OUT: 1989f1ae32a1SGerd Hoffmann case ET_INTR_IN: 19904d7a81c0SGerd Hoffmann xfer->pkts = 0; 19914d7a81c0SGerd Hoffmann xfer->iso_xfer = false; 19924d7a81c0SGerd Hoffmann xfer->timed_xfer = true; 19934d7a81c0SGerd Hoffmann mfindex = xhci_mfindex_get(xhci); 19944d7a81c0SGerd Hoffmann xhci_calc_intr_kick(xhci, xfer, epctx, mfindex); 19954d7a81c0SGerd Hoffmann xhci_check_intr_iso_kick(xhci, xfer, epctx, mfindex); 19964d7a81c0SGerd Hoffmann if (xfer->running_retry) { 19974d7a81c0SGerd Hoffmann return -1; 19984d7a81c0SGerd Hoffmann } 19994d7a81c0SGerd Hoffmann break; 2000f1ae32a1SGerd Hoffmann case ET_BULK_OUT: 2001f1ae32a1SGerd Hoffmann case ET_BULK_IN: 20023d139684SGerd Hoffmann xfer->pkts = 0; 20033d139684SGerd Hoffmann xfer->iso_xfer = false; 20044d7a81c0SGerd Hoffmann xfer->timed_xfer = false; 2005f1ae32a1SGerd Hoffmann break; 2006f1ae32a1SGerd Hoffmann case ET_ISO_OUT: 2007f1ae32a1SGerd Hoffmann case ET_ISO_IN: 20083d139684SGerd Hoffmann xfer->pkts = 1; 20093d139684SGerd Hoffmann xfer->iso_xfer = true; 20104d7a81c0SGerd Hoffmann xfer->timed_xfer = true; 20113d139684SGerd Hoffmann mfindex = xhci_mfindex_get(xhci); 20123d139684SGerd Hoffmann xhci_calc_iso_kick(xhci, xfer, epctx, mfindex); 20134d7a81c0SGerd Hoffmann xhci_check_intr_iso_kick(xhci, xfer, epctx, mfindex); 20143d139684SGerd Hoffmann if (xfer->running_retry) { 20153d139684SGerd Hoffmann return -1; 20163d139684SGerd Hoffmann } 2017f1ae32a1SGerd Hoffmann break; 2018f1ae32a1SGerd Hoffmann default: 20194f9cc734SGerd Hoffmann trace_usb_xhci_unimplemented("endpoint type", epctx->type); 2020f1ae32a1SGerd Hoffmann return -1; 2021f1ae32a1SGerd Hoffmann } 2022f1ae32a1SGerd Hoffmann 20235c08106fSGerd Hoffmann if (xhci_setup_packet(xfer) < 0) { 20245c08106fSGerd Hoffmann return -1; 20255c08106fSGerd Hoffmann } 20269a77a0f5SHans de Goede usb_handle_packet(xfer->packet.ep->dev, &xfer->packet); 202713e8ff7aSGerd Hoffmann xhci_try_complete_packet(xfer); 2028f1ae32a1SGerd Hoffmann return 0; 2029f1ae32a1SGerd Hoffmann } 2030f1ae32a1SGerd Hoffmann 2031f1ae32a1SGerd Hoffmann static int xhci_fire_transfer(XHCIState *xhci, XHCITransfer *xfer, XHCIEPContext *epctx) 2032f1ae32a1SGerd Hoffmann { 2033d6fcb293SGerd Hoffmann trace_usb_xhci_xfer_start(xfer, xfer->epctx->slotid, 2034d6fcb293SGerd Hoffmann xfer->epctx->epid, xfer->streamid); 2035f1ae32a1SGerd Hoffmann return xhci_submit(xhci, xfer, epctx); 2036f1ae32a1SGerd Hoffmann } 2037f1ae32a1SGerd Hoffmann 2038024426acSGerd Hoffmann static void xhci_kick_ep(XHCIState *xhci, unsigned int slotid, 2039024426acSGerd Hoffmann unsigned int epid, unsigned int streamid) 2040f1ae32a1SGerd Hoffmann { 2041f1ae32a1SGerd Hoffmann XHCIEPContext *epctx; 2042f1ae32a1SGerd Hoffmann 204391062ae0SGerd Hoffmann assert(slotid >= 1 && slotid <= xhci->numslots); 2044f1ae32a1SGerd Hoffmann assert(epid >= 1 && epid <= 31); 2045f1ae32a1SGerd Hoffmann 2046f1ae32a1SGerd Hoffmann if (!xhci->slots[slotid-1].enabled) { 2047d6bb65fcSGerd Hoffmann DPRINTF("xhci: xhci_kick_ep for disabled slot %d\n", slotid); 2048f1ae32a1SGerd Hoffmann return; 2049f1ae32a1SGerd Hoffmann } 2050f1ae32a1SGerd Hoffmann epctx = xhci->slots[slotid-1].eps[epid-1]; 2051f1ae32a1SGerd Hoffmann if (!epctx) { 2052d6bb65fcSGerd Hoffmann DPRINTF("xhci: xhci_kick_ep for disabled endpoint %d,%d\n", 2053f1ae32a1SGerd Hoffmann epid, slotid); 2054f1ae32a1SGerd Hoffmann return; 2055f1ae32a1SGerd Hoffmann } 2056f1ae32a1SGerd Hoffmann 205796d87bddSGerd Hoffmann if (epctx->kick_active) { 205896d87bddSGerd Hoffmann return; 205996d87bddSGerd Hoffmann } 20603a533ee8SGerd Hoffmann xhci_kick_epctx(epctx, streamid); 20613a533ee8SGerd Hoffmann } 20623a533ee8SGerd Hoffmann 20633a533ee8SGerd Hoffmann static void xhci_kick_epctx(XHCIEPContext *epctx, unsigned int streamid) 20643a533ee8SGerd Hoffmann { 20653a533ee8SGerd Hoffmann XHCIState *xhci = epctx->xhci; 2066*243afe85SGerd Hoffmann XHCIStreamContext *stctx = NULL; 20673a533ee8SGerd Hoffmann XHCITransfer *xfer; 20683a533ee8SGerd Hoffmann XHCIRing *ring; 20693a533ee8SGerd Hoffmann USBEndpoint *ep = NULL; 20703a533ee8SGerd Hoffmann uint64_t mfindex; 2071f89b60f6SGerd Hoffmann unsigned int count = 0; 20723a533ee8SGerd Hoffmann int length; 20733a533ee8SGerd Hoffmann int i; 20743a533ee8SGerd Hoffmann 20753a533ee8SGerd Hoffmann trace_usb_xhci_ep_kick(epctx->slotid, epctx->epid, streamid); 207696d87bddSGerd Hoffmann assert(!epctx->kick_active); 20773a533ee8SGerd Hoffmann 2078de9de157SHans de Goede /* If the device has been detached, but the guest has not noticed this 2079de9de157SHans de Goede yet the 2 above checks will succeed, but we must NOT continue */ 20803a533ee8SGerd Hoffmann if (!xhci->slots[epctx->slotid - 1].uport || 20813a533ee8SGerd Hoffmann !xhci->slots[epctx->slotid - 1].uport->dev || 20823a533ee8SGerd Hoffmann !xhci->slots[epctx->slotid - 1].uport->dev->attached) { 2083de9de157SHans de Goede return; 2084de9de157SHans de Goede } 2085de9de157SHans de Goede 2086f1ae32a1SGerd Hoffmann if (epctx->retry) { 2087f1ae32a1SGerd Hoffmann XHCITransfer *xfer = epctx->retry; 2088f1ae32a1SGerd Hoffmann 208997df650bSGerd Hoffmann trace_usb_xhci_xfer_retry(xfer); 2090f1ae32a1SGerd Hoffmann assert(xfer->running_retry); 20914d7a81c0SGerd Hoffmann if (xfer->timed_xfer) { 20924d7a81c0SGerd Hoffmann /* time to kick the transfer? */ 20933d139684SGerd Hoffmann mfindex = xhci_mfindex_get(xhci); 20944d7a81c0SGerd Hoffmann xhci_check_intr_iso_kick(xhci, xfer, epctx, mfindex); 20953d139684SGerd Hoffmann if (xfer->running_retry) { 20963d139684SGerd Hoffmann return; 20973d139684SGerd Hoffmann } 20984d7a81c0SGerd Hoffmann xfer->timed_xfer = 0; 20994d7a81c0SGerd Hoffmann xfer->running_retry = 1; 21004d7a81c0SGerd Hoffmann } 21014d7a81c0SGerd Hoffmann if (xfer->iso_xfer) { 21024d7a81c0SGerd Hoffmann /* retry iso transfer */ 21033d139684SGerd Hoffmann if (xhci_setup_packet(xfer) < 0) { 21043d139684SGerd Hoffmann return; 21053d139684SGerd Hoffmann } 21069a77a0f5SHans de Goede usb_handle_packet(xfer->packet.ep->dev, &xfer->packet); 21079a77a0f5SHans de Goede assert(xfer->packet.status != USB_RET_NAK); 210813e8ff7aSGerd Hoffmann xhci_try_complete_packet(xfer); 21093d139684SGerd Hoffmann } else { 21103d139684SGerd Hoffmann /* retry nak'ed transfer */ 21115c08106fSGerd Hoffmann if (xhci_setup_packet(xfer) < 0) { 21125c08106fSGerd Hoffmann return; 21135c08106fSGerd Hoffmann } 21149a77a0f5SHans de Goede usb_handle_packet(xfer->packet.ep->dev, &xfer->packet); 21159a77a0f5SHans de Goede if (xfer->packet.status == USB_RET_NAK) { 2116f1ae32a1SGerd Hoffmann return; 2117f1ae32a1SGerd Hoffmann } 211813e8ff7aSGerd Hoffmann xhci_try_complete_packet(xfer); 21193d139684SGerd Hoffmann } 2120f1ae32a1SGerd Hoffmann assert(!xfer->running_retry); 2121f94d18d6SGerd Hoffmann if (xfer->complete) { 212294b037f2SGerd Hoffmann xhci_ep_free_xfer(epctx->retry); 2123f94d18d6SGerd Hoffmann } 2124f1ae32a1SGerd Hoffmann epctx->retry = NULL; 2125f1ae32a1SGerd Hoffmann } 2126f1ae32a1SGerd Hoffmann 2127f1ae32a1SGerd Hoffmann if (epctx->state == EP_HALTED) { 2128f1ae32a1SGerd Hoffmann DPRINTF("xhci: ep halted, not running schedule\n"); 2129f1ae32a1SGerd Hoffmann return; 2130f1ae32a1SGerd Hoffmann } 2131f1ae32a1SGerd Hoffmann 2132024426acSGerd Hoffmann 2133024426acSGerd Hoffmann if (epctx->nr_pstreams) { 2134024426acSGerd Hoffmann uint32_t err; 2135024426acSGerd Hoffmann stctx = xhci_find_stream(epctx, streamid, &err); 2136024426acSGerd Hoffmann if (stctx == NULL) { 2137024426acSGerd Hoffmann return; 2138024426acSGerd Hoffmann } 2139024426acSGerd Hoffmann ring = &stctx->ring; 2140024426acSGerd Hoffmann xhci_set_ep_state(xhci, epctx, stctx, EP_RUNNING); 2141024426acSGerd Hoffmann } else { 2142024426acSGerd Hoffmann ring = &epctx->ring; 2143024426acSGerd Hoffmann streamid = 0; 2144024426acSGerd Hoffmann xhci_set_ep_state(xhci, epctx, NULL, EP_RUNNING); 2145024426acSGerd Hoffmann } 21467d04c2b7SGerd Hoffmann assert(ring->dequeue != 0); 2147f1ae32a1SGerd Hoffmann 214896d87bddSGerd Hoffmann epctx->kick_active++; 2149f1ae32a1SGerd Hoffmann while (1) { 2150024426acSGerd Hoffmann length = xhci_ring_chain_length(xhci, ring); 215194b037f2SGerd Hoffmann if (length <= 0) { 2152f1ae32a1SGerd Hoffmann break; 2153f1ae32a1SGerd Hoffmann } 215494b037f2SGerd Hoffmann xfer = xhci_ep_alloc_xfer(epctx, length); 215594b037f2SGerd Hoffmann if (xfer == NULL) { 215694b037f2SGerd Hoffmann break; 2157f1ae32a1SGerd Hoffmann } 2158f1ae32a1SGerd Hoffmann 2159f1ae32a1SGerd Hoffmann for (i = 0; i < length; i++) { 2160f81bb347SAlexey Kardashevskiy TRBType type; 2161f81bb347SAlexey Kardashevskiy type = xhci_ring_fetch(xhci, ring, &xfer->trbs[i], NULL); 2162f81bb347SAlexey Kardashevskiy assert(type); 2163f1ae32a1SGerd Hoffmann } 2164024426acSGerd Hoffmann xfer->streamid = streamid; 2165f1ae32a1SGerd Hoffmann 21663a533ee8SGerd Hoffmann if (epctx->epid == 1) { 216794b037f2SGerd Hoffmann xhci_fire_ctl_transfer(xhci, xfer); 2168f1ae32a1SGerd Hoffmann } else { 216994b037f2SGerd Hoffmann xhci_fire_transfer(xhci, xfer, epctx); 2170f1ae32a1SGerd Hoffmann } 217194b037f2SGerd Hoffmann if (xfer->complete) { 217294b037f2SGerd Hoffmann xhci_ep_free_xfer(xfer); 217394b037f2SGerd Hoffmann xfer = NULL; 21743d139684SGerd Hoffmann } 2175f1ae32a1SGerd Hoffmann 2176f1ae32a1SGerd Hoffmann if (epctx->state == EP_HALTED) { 2177f1ae32a1SGerd Hoffmann break; 2178f1ae32a1SGerd Hoffmann } 217994b037f2SGerd Hoffmann if (xfer != NULL && xfer->running_retry) { 2180f1ae32a1SGerd Hoffmann DPRINTF("xhci: xfer nacked, stopping schedule\n"); 2181f1ae32a1SGerd Hoffmann epctx->retry = xfer; 2182f1ae32a1SGerd Hoffmann break; 2183f1ae32a1SGerd Hoffmann } 2184f89b60f6SGerd Hoffmann if (count++ > TRANSFER_LIMIT) { 2185f89b60f6SGerd Hoffmann trace_usb_xhci_enforced_limit("transfers"); 2186f89b60f6SGerd Hoffmann break; 2187f89b60f6SGerd Hoffmann } 2188f1ae32a1SGerd Hoffmann } 2189*243afe85SGerd Hoffmann /* update ring dequeue ptr */ 2190*243afe85SGerd Hoffmann xhci_set_ep_state(xhci, epctx, stctx, epctx->state); 219196d87bddSGerd Hoffmann epctx->kick_active--; 2192518ad5f2SHans de Goede 2193070eeef9SGerd Hoffmann ep = xhci_epid_to_usbep(epctx); 219436dfe324SHans de Goede if (ep) { 219536dfe324SHans de Goede usb_device_flush_ep_queue(ep->dev, ep); 219636dfe324SHans de Goede } 2197f1ae32a1SGerd Hoffmann } 2198f1ae32a1SGerd Hoffmann 2199f1ae32a1SGerd Hoffmann static TRBCCode xhci_enable_slot(XHCIState *xhci, unsigned int slotid) 2200f1ae32a1SGerd Hoffmann { 2201348f1037SGerd Hoffmann trace_usb_xhci_slot_enable(slotid); 220291062ae0SGerd Hoffmann assert(slotid >= 1 && slotid <= xhci->numslots); 2203f1ae32a1SGerd Hoffmann xhci->slots[slotid-1].enabled = 1; 2204ccaf87a0SGerd Hoffmann xhci->slots[slotid-1].uport = NULL; 2205f1ae32a1SGerd Hoffmann memset(xhci->slots[slotid-1].eps, 0, sizeof(XHCIEPContext*)*31); 2206f1ae32a1SGerd Hoffmann 2207f1ae32a1SGerd Hoffmann return CC_SUCCESS; 2208f1ae32a1SGerd Hoffmann } 2209f1ae32a1SGerd Hoffmann 2210f1ae32a1SGerd Hoffmann static TRBCCode xhci_disable_slot(XHCIState *xhci, unsigned int slotid) 2211f1ae32a1SGerd Hoffmann { 2212f1ae32a1SGerd Hoffmann int i; 2213f1ae32a1SGerd Hoffmann 2214348f1037SGerd Hoffmann trace_usb_xhci_slot_disable(slotid); 221591062ae0SGerd Hoffmann assert(slotid >= 1 && slotid <= xhci->numslots); 2216f1ae32a1SGerd Hoffmann 2217f1ae32a1SGerd Hoffmann for (i = 1; i <= 31; i++) { 2218f1ae32a1SGerd Hoffmann if (xhci->slots[slotid-1].eps[i-1]) { 2219f1ae32a1SGerd Hoffmann xhci_disable_ep(xhci, slotid, i); 2220f1ae32a1SGerd Hoffmann } 2221f1ae32a1SGerd Hoffmann } 2222f1ae32a1SGerd Hoffmann 2223f1ae32a1SGerd Hoffmann xhci->slots[slotid-1].enabled = 0; 22244034e693SGerd Hoffmann xhci->slots[slotid-1].addressed = 0; 22255c67dd7bSGerd Hoffmann xhci->slots[slotid-1].uport = NULL; 2226f1ae32a1SGerd Hoffmann return CC_SUCCESS; 2227f1ae32a1SGerd Hoffmann } 2228f1ae32a1SGerd Hoffmann 2229ccaf87a0SGerd Hoffmann static USBPort *xhci_lookup_uport(XHCIState *xhci, uint32_t *slot_ctx) 2230ccaf87a0SGerd Hoffmann { 2231ccaf87a0SGerd Hoffmann USBPort *uport; 2232ccaf87a0SGerd Hoffmann char path[32]; 2233ccaf87a0SGerd Hoffmann int i, pos, port; 2234ccaf87a0SGerd Hoffmann 2235ccaf87a0SGerd Hoffmann port = (slot_ctx[1]>>16) & 0xFF; 2236f2ad97ffSGerd Hoffmann if (port < 1 || port > xhci->numports) { 2237f2ad97ffSGerd Hoffmann return NULL; 2238f2ad97ffSGerd Hoffmann } 2239ccaf87a0SGerd Hoffmann port = xhci->ports[port-1].uport->index+1; 2240ccaf87a0SGerd Hoffmann pos = snprintf(path, sizeof(path), "%d", port); 2241ccaf87a0SGerd Hoffmann for (i = 0; i < 5; i++) { 2242ccaf87a0SGerd Hoffmann port = (slot_ctx[0] >> 4*i) & 0x0f; 2243ccaf87a0SGerd Hoffmann if (!port) { 2244ccaf87a0SGerd Hoffmann break; 2245ccaf87a0SGerd Hoffmann } 2246ccaf87a0SGerd Hoffmann pos += snprintf(path + pos, sizeof(path) - pos, ".%d", port); 2247ccaf87a0SGerd Hoffmann } 2248ccaf87a0SGerd Hoffmann 2249ccaf87a0SGerd Hoffmann QTAILQ_FOREACH(uport, &xhci->bus.used, next) { 2250ccaf87a0SGerd Hoffmann if (strcmp(uport->path, path) == 0) { 2251ccaf87a0SGerd Hoffmann return uport; 2252ccaf87a0SGerd Hoffmann } 2253ccaf87a0SGerd Hoffmann } 2254ccaf87a0SGerd Hoffmann return NULL; 2255ccaf87a0SGerd Hoffmann } 2256ccaf87a0SGerd Hoffmann 2257f1ae32a1SGerd Hoffmann static TRBCCode xhci_address_slot(XHCIState *xhci, unsigned int slotid, 2258f1ae32a1SGerd Hoffmann uint64_t pictx, bool bsr) 2259f1ae32a1SGerd Hoffmann { 2260f1ae32a1SGerd Hoffmann XHCISlot *slot; 2261ccaf87a0SGerd Hoffmann USBPort *uport; 2262f1ae32a1SGerd Hoffmann USBDevice *dev; 226359a70ccdSDavid Gibson dma_addr_t ictx, octx, dcbaap; 2264f1ae32a1SGerd Hoffmann uint64_t poctx; 2265f1ae32a1SGerd Hoffmann uint32_t ictl_ctx[2]; 2266f1ae32a1SGerd Hoffmann uint32_t slot_ctx[4]; 2267f1ae32a1SGerd Hoffmann uint32_t ep0_ctx[5]; 2268f1ae32a1SGerd Hoffmann int i; 2269f1ae32a1SGerd Hoffmann TRBCCode res; 2270f1ae32a1SGerd Hoffmann 227191062ae0SGerd Hoffmann assert(slotid >= 1 && slotid <= xhci->numslots); 2272f1ae32a1SGerd Hoffmann 2273f1ae32a1SGerd Hoffmann dcbaap = xhci_addr64(xhci->dcbaap_low, xhci->dcbaap_high); 22749b7d3334SAndreas Färber poctx = ldq_le_pci_dma(PCI_DEVICE(xhci), dcbaap + 8 * slotid); 2275f1ae32a1SGerd Hoffmann ictx = xhci_mask64(pictx); 2276616b5d53SDavid Gibson octx = xhci_mask64(poctx); 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) { 2284d6bb65fcSGerd Hoffmann DPRINTF("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 2289616b5d53SDavid Gibson xhci_dma_read_u32s(xhci, ictx+32, slot_ctx, sizeof(slot_ctx)); 2290616b5d53SDavid Gibson xhci_dma_read_u32s(xhci, ictx+64, ep0_ctx, sizeof(ep0_ctx)); 2291f1ae32a1SGerd Hoffmann 2292f1ae32a1SGerd Hoffmann DPRINTF("xhci: input slot context: %08x %08x %08x %08x\n", 2293f1ae32a1SGerd Hoffmann slot_ctx[0], slot_ctx[1], slot_ctx[2], slot_ctx[3]); 2294f1ae32a1SGerd Hoffmann 2295f1ae32a1SGerd Hoffmann DPRINTF("xhci: input ep0 context: %08x %08x %08x %08x %08x\n", 2296f1ae32a1SGerd Hoffmann ep0_ctx[0], ep0_ctx[1], ep0_ctx[2], ep0_ctx[3], ep0_ctx[4]); 2297f1ae32a1SGerd Hoffmann 2298ccaf87a0SGerd Hoffmann uport = xhci_lookup_uport(xhci, slot_ctx); 2299ccaf87a0SGerd Hoffmann if (uport == NULL) { 2300d6bb65fcSGerd Hoffmann DPRINTF("xhci: port not found\n"); 2301f1ae32a1SGerd Hoffmann return CC_TRB_ERROR; 2302ccaf87a0SGerd Hoffmann } 230365d81ed4SGerd Hoffmann trace_usb_xhci_slot_address(slotid, uport->path); 2304ccaf87a0SGerd Hoffmann 2305ccaf87a0SGerd Hoffmann dev = uport->dev; 2306de9de157SHans de Goede if (!dev || !dev->attached) { 2307d6bb65fcSGerd Hoffmann DPRINTF("xhci: port %s not connected\n", uport->path); 2308f1ae32a1SGerd Hoffmann return CC_USB_TRANSACTION_ERROR; 2309f1ae32a1SGerd Hoffmann } 2310f1ae32a1SGerd Hoffmann 231191062ae0SGerd Hoffmann for (i = 0; i < xhci->numslots; i++) { 23120bc85da6SGerd Hoffmann if (i == slotid-1) { 23130bc85da6SGerd Hoffmann continue; 23140bc85da6SGerd Hoffmann } 2315ccaf87a0SGerd Hoffmann if (xhci->slots[i].uport == uport) { 2316d6bb65fcSGerd Hoffmann DPRINTF("xhci: port %s already assigned to slot %d\n", 2317ccaf87a0SGerd Hoffmann uport->path, i+1); 2318f1ae32a1SGerd Hoffmann return CC_TRB_ERROR; 2319f1ae32a1SGerd Hoffmann } 2320f1ae32a1SGerd Hoffmann } 2321f1ae32a1SGerd Hoffmann 2322f1ae32a1SGerd Hoffmann slot = &xhci->slots[slotid-1]; 2323ccaf87a0SGerd Hoffmann slot->uport = uport; 2324f1ae32a1SGerd Hoffmann slot->ctx = octx; 2325f1ae32a1SGerd Hoffmann 2326a4055d85SZhang Shuaiyi /* Make sure device is in USB_STATE_DEFAULT state */ 2327a4055d85SZhang Shuaiyi usb_device_reset(dev); 2328f1ae32a1SGerd Hoffmann if (bsr) { 2329f1ae32a1SGerd Hoffmann slot_ctx[3] = SLOT_DEFAULT << SLOT_STATE_SHIFT; 2330f1ae32a1SGerd Hoffmann } else { 2331a820b575SGerd Hoffmann USBPacket p; 2332a6718874SGerd Hoffmann uint8_t buf[1]; 2333a6718874SGerd Hoffmann 2334af203be3SGerd Hoffmann slot_ctx[3] = (SLOT_ADDRESSED << SLOT_STATE_SHIFT) | slotid; 2335a6718874SGerd Hoffmann memset(&p, 0, sizeof(p)); 2336a6718874SGerd Hoffmann usb_packet_addbuf(&p, buf, sizeof(buf)); 2337a820b575SGerd Hoffmann usb_packet_setup(&p, USB_TOKEN_OUT, 23388550a02dSGerd Hoffmann usb_ep_get(dev, USB_TOKEN_OUT, 0), 0, 2339a820b575SGerd Hoffmann 0, false, false); 2340a820b575SGerd Hoffmann usb_device_handle_control(dev, &p, 2341f1ae32a1SGerd Hoffmann DeviceOutRequest | USB_REQ_SET_ADDRESS, 2342af203be3SGerd Hoffmann slotid, 0, 0, NULL); 2343a820b575SGerd Hoffmann assert(p.status != USB_RET_ASYNC); 2344f1ae32a1SGerd Hoffmann } 2345f1ae32a1SGerd Hoffmann 2346f1ae32a1SGerd Hoffmann res = xhci_enable_ep(xhci, slotid, 1, octx+32, ep0_ctx); 2347f1ae32a1SGerd Hoffmann 2348f1ae32a1SGerd Hoffmann DPRINTF("xhci: output slot context: %08x %08x %08x %08x\n", 2349f1ae32a1SGerd Hoffmann slot_ctx[0], slot_ctx[1], slot_ctx[2], slot_ctx[3]); 2350f1ae32a1SGerd Hoffmann DPRINTF("xhci: output ep0 context: %08x %08x %08x %08x %08x\n", 2351f1ae32a1SGerd Hoffmann ep0_ctx[0], ep0_ctx[1], ep0_ctx[2], ep0_ctx[3], ep0_ctx[4]); 2352f1ae32a1SGerd Hoffmann 2353616b5d53SDavid Gibson xhci_dma_write_u32s(xhci, octx, slot_ctx, sizeof(slot_ctx)); 2354616b5d53SDavid Gibson xhci_dma_write_u32s(xhci, octx+32, ep0_ctx, sizeof(ep0_ctx)); 2355f1ae32a1SGerd Hoffmann 23564034e693SGerd Hoffmann xhci->slots[slotid-1].addressed = 1; 2357f1ae32a1SGerd Hoffmann return res; 2358f1ae32a1SGerd Hoffmann } 2359f1ae32a1SGerd Hoffmann 2360f1ae32a1SGerd Hoffmann 2361f1ae32a1SGerd Hoffmann static TRBCCode xhci_configure_slot(XHCIState *xhci, unsigned int slotid, 2362f1ae32a1SGerd Hoffmann uint64_t pictx, bool dc) 2363f1ae32a1SGerd Hoffmann { 236459a70ccdSDavid Gibson dma_addr_t ictx, octx; 2365f1ae32a1SGerd Hoffmann uint32_t ictl_ctx[2]; 2366f1ae32a1SGerd Hoffmann uint32_t slot_ctx[4]; 2367f1ae32a1SGerd Hoffmann uint32_t islot_ctx[4]; 2368f1ae32a1SGerd Hoffmann uint32_t ep_ctx[5]; 2369f1ae32a1SGerd Hoffmann int i; 2370f1ae32a1SGerd Hoffmann TRBCCode res; 2371f1ae32a1SGerd Hoffmann 2372348f1037SGerd Hoffmann trace_usb_xhci_slot_configure(slotid); 237391062ae0SGerd Hoffmann assert(slotid >= 1 && slotid <= xhci->numslots); 2374f1ae32a1SGerd Hoffmann 2375f1ae32a1SGerd Hoffmann ictx = xhci_mask64(pictx); 2376f1ae32a1SGerd Hoffmann octx = xhci->slots[slotid-1].ctx; 2377f1ae32a1SGerd Hoffmann 237859a70ccdSDavid Gibson DPRINTF("xhci: input context at "DMA_ADDR_FMT"\n", ictx); 237959a70ccdSDavid Gibson DPRINTF("xhci: output context at "DMA_ADDR_FMT"\n", octx); 2380f1ae32a1SGerd Hoffmann 2381f1ae32a1SGerd Hoffmann if (dc) { 2382f1ae32a1SGerd Hoffmann for (i = 2; i <= 31; i++) { 2383f1ae32a1SGerd Hoffmann if (xhci->slots[slotid-1].eps[i-1]) { 2384f1ae32a1SGerd Hoffmann xhci_disable_ep(xhci, slotid, i); 2385f1ae32a1SGerd Hoffmann } 2386f1ae32a1SGerd Hoffmann } 2387f1ae32a1SGerd Hoffmann 2388616b5d53SDavid Gibson xhci_dma_read_u32s(xhci, octx, slot_ctx, sizeof(slot_ctx)); 2389f1ae32a1SGerd Hoffmann slot_ctx[3] &= ~(SLOT_STATE_MASK << SLOT_STATE_SHIFT); 2390f1ae32a1SGerd Hoffmann slot_ctx[3] |= SLOT_ADDRESSED << SLOT_STATE_SHIFT; 2391f1ae32a1SGerd Hoffmann DPRINTF("xhci: output slot context: %08x %08x %08x %08x\n", 2392f1ae32a1SGerd Hoffmann slot_ctx[0], slot_ctx[1], slot_ctx[2], slot_ctx[3]); 2393616b5d53SDavid Gibson xhci_dma_write_u32s(xhci, octx, slot_ctx, sizeof(slot_ctx)); 2394f1ae32a1SGerd Hoffmann 2395f1ae32a1SGerd Hoffmann return CC_SUCCESS; 2396f1ae32a1SGerd Hoffmann } 2397f1ae32a1SGerd Hoffmann 2398616b5d53SDavid Gibson xhci_dma_read_u32s(xhci, ictx, ictl_ctx, sizeof(ictl_ctx)); 2399f1ae32a1SGerd Hoffmann 2400f1ae32a1SGerd Hoffmann if ((ictl_ctx[0] & 0x3) != 0x0 || (ictl_ctx[1] & 0x3) != 0x1) { 2401d6bb65fcSGerd Hoffmann DPRINTF("xhci: invalid input context control %08x %08x\n", 2402f1ae32a1SGerd Hoffmann ictl_ctx[0], ictl_ctx[1]); 2403f1ae32a1SGerd Hoffmann return CC_TRB_ERROR; 2404f1ae32a1SGerd Hoffmann } 2405f1ae32a1SGerd Hoffmann 2406616b5d53SDavid Gibson xhci_dma_read_u32s(xhci, ictx+32, islot_ctx, sizeof(islot_ctx)); 2407616b5d53SDavid Gibson xhci_dma_read_u32s(xhci, octx, slot_ctx, sizeof(slot_ctx)); 2408f1ae32a1SGerd Hoffmann 2409f1ae32a1SGerd Hoffmann if (SLOT_STATE(slot_ctx[3]) < SLOT_ADDRESSED) { 2410d6bb65fcSGerd Hoffmann DPRINTF("xhci: invalid slot state %08x\n", slot_ctx[3]); 2411f1ae32a1SGerd Hoffmann return CC_CONTEXT_STATE_ERROR; 2412f1ae32a1SGerd Hoffmann } 2413f1ae32a1SGerd Hoffmann 241472391da5SHans de Goede xhci_free_device_streams(xhci, slotid, ictl_ctx[0] | ictl_ctx[1]); 241572391da5SHans de Goede 2416f1ae32a1SGerd Hoffmann for (i = 2; i <= 31; i++) { 2417f1ae32a1SGerd Hoffmann if (ictl_ctx[0] & (1<<i)) { 2418f1ae32a1SGerd Hoffmann xhci_disable_ep(xhci, slotid, i); 2419f1ae32a1SGerd Hoffmann } 2420f1ae32a1SGerd Hoffmann if (ictl_ctx[1] & (1<<i)) { 2421616b5d53SDavid Gibson xhci_dma_read_u32s(xhci, ictx+32+(32*i), ep_ctx, sizeof(ep_ctx)); 2422f1ae32a1SGerd Hoffmann DPRINTF("xhci: input ep%d.%d context: %08x %08x %08x %08x %08x\n", 2423f1ae32a1SGerd Hoffmann i/2, i%2, ep_ctx[0], ep_ctx[1], ep_ctx[2], 2424f1ae32a1SGerd Hoffmann ep_ctx[3], ep_ctx[4]); 2425f1ae32a1SGerd Hoffmann xhci_disable_ep(xhci, slotid, i); 2426f1ae32a1SGerd Hoffmann res = xhci_enable_ep(xhci, slotid, i, octx+(32*i), ep_ctx); 2427f1ae32a1SGerd Hoffmann if (res != CC_SUCCESS) { 2428f1ae32a1SGerd Hoffmann return res; 2429f1ae32a1SGerd Hoffmann } 2430f1ae32a1SGerd Hoffmann DPRINTF("xhci: output ep%d.%d context: %08x %08x %08x %08x %08x\n", 2431f1ae32a1SGerd Hoffmann i/2, i%2, ep_ctx[0], ep_ctx[1], ep_ctx[2], 2432f1ae32a1SGerd Hoffmann ep_ctx[3], ep_ctx[4]); 2433616b5d53SDavid Gibson xhci_dma_write_u32s(xhci, octx+(32*i), ep_ctx, sizeof(ep_ctx)); 2434f1ae32a1SGerd Hoffmann } 2435f1ae32a1SGerd Hoffmann } 2436f1ae32a1SGerd Hoffmann 243772391da5SHans de Goede res = xhci_alloc_device_streams(xhci, slotid, ictl_ctx[1]); 243872391da5SHans de Goede if (res != CC_SUCCESS) { 243972391da5SHans de Goede for (i = 2; i <= 31; i++) { 24403d80365bSGerd Hoffmann if (ictl_ctx[1] & (1u << i)) { 244172391da5SHans de Goede xhci_disable_ep(xhci, slotid, i); 244272391da5SHans de Goede } 244372391da5SHans de Goede } 244472391da5SHans de Goede return res; 244572391da5SHans de Goede } 244672391da5SHans de Goede 2447f1ae32a1SGerd Hoffmann slot_ctx[3] &= ~(SLOT_STATE_MASK << SLOT_STATE_SHIFT); 2448f1ae32a1SGerd Hoffmann slot_ctx[3] |= SLOT_CONFIGURED << SLOT_STATE_SHIFT; 2449f1ae32a1SGerd Hoffmann slot_ctx[0] &= ~(SLOT_CONTEXT_ENTRIES_MASK << SLOT_CONTEXT_ENTRIES_SHIFT); 2450f1ae32a1SGerd Hoffmann slot_ctx[0] |= islot_ctx[0] & (SLOT_CONTEXT_ENTRIES_MASK << 2451f1ae32a1SGerd Hoffmann SLOT_CONTEXT_ENTRIES_SHIFT); 2452f1ae32a1SGerd Hoffmann DPRINTF("xhci: output slot context: %08x %08x %08x %08x\n", 2453f1ae32a1SGerd Hoffmann slot_ctx[0], slot_ctx[1], slot_ctx[2], slot_ctx[3]); 2454f1ae32a1SGerd Hoffmann 2455616b5d53SDavid Gibson xhci_dma_write_u32s(xhci, octx, slot_ctx, sizeof(slot_ctx)); 2456f1ae32a1SGerd Hoffmann 2457f1ae32a1SGerd Hoffmann return CC_SUCCESS; 2458f1ae32a1SGerd Hoffmann } 2459f1ae32a1SGerd Hoffmann 2460f1ae32a1SGerd Hoffmann 2461f1ae32a1SGerd Hoffmann static TRBCCode xhci_evaluate_slot(XHCIState *xhci, unsigned int slotid, 2462f1ae32a1SGerd Hoffmann uint64_t pictx) 2463f1ae32a1SGerd Hoffmann { 246459a70ccdSDavid Gibson dma_addr_t ictx, octx; 2465f1ae32a1SGerd Hoffmann uint32_t ictl_ctx[2]; 2466f1ae32a1SGerd Hoffmann uint32_t iep0_ctx[5]; 2467f1ae32a1SGerd Hoffmann uint32_t ep0_ctx[5]; 2468f1ae32a1SGerd Hoffmann uint32_t islot_ctx[4]; 2469f1ae32a1SGerd Hoffmann uint32_t slot_ctx[4]; 2470f1ae32a1SGerd Hoffmann 2471348f1037SGerd Hoffmann trace_usb_xhci_slot_evaluate(slotid); 247291062ae0SGerd Hoffmann assert(slotid >= 1 && slotid <= xhci->numslots); 2473f1ae32a1SGerd Hoffmann 2474f1ae32a1SGerd Hoffmann ictx = xhci_mask64(pictx); 2475f1ae32a1SGerd Hoffmann octx = xhci->slots[slotid-1].ctx; 2476f1ae32a1SGerd Hoffmann 247759a70ccdSDavid Gibson DPRINTF("xhci: input context at "DMA_ADDR_FMT"\n", ictx); 247859a70ccdSDavid Gibson DPRINTF("xhci: output context at "DMA_ADDR_FMT"\n", octx); 2479f1ae32a1SGerd Hoffmann 2480616b5d53SDavid Gibson xhci_dma_read_u32s(xhci, ictx, ictl_ctx, sizeof(ictl_ctx)); 2481f1ae32a1SGerd Hoffmann 2482f1ae32a1SGerd Hoffmann if (ictl_ctx[0] != 0x0 || ictl_ctx[1] & ~0x3) { 2483d6bb65fcSGerd Hoffmann DPRINTF("xhci: invalid input context control %08x %08x\n", 2484f1ae32a1SGerd Hoffmann ictl_ctx[0], ictl_ctx[1]); 2485f1ae32a1SGerd Hoffmann return CC_TRB_ERROR; 2486f1ae32a1SGerd Hoffmann } 2487f1ae32a1SGerd Hoffmann 2488f1ae32a1SGerd Hoffmann if (ictl_ctx[1] & 0x1) { 2489616b5d53SDavid Gibson xhci_dma_read_u32s(xhci, ictx+32, islot_ctx, sizeof(islot_ctx)); 2490f1ae32a1SGerd Hoffmann 2491f1ae32a1SGerd Hoffmann DPRINTF("xhci: input slot context: %08x %08x %08x %08x\n", 2492f1ae32a1SGerd Hoffmann islot_ctx[0], islot_ctx[1], islot_ctx[2], islot_ctx[3]); 2493f1ae32a1SGerd Hoffmann 2494616b5d53SDavid Gibson xhci_dma_read_u32s(xhci, octx, slot_ctx, sizeof(slot_ctx)); 2495f1ae32a1SGerd Hoffmann 2496f1ae32a1SGerd Hoffmann slot_ctx[1] &= ~0xFFFF; /* max exit latency */ 2497f1ae32a1SGerd Hoffmann slot_ctx[1] |= islot_ctx[1] & 0xFFFF; 2498f1ae32a1SGerd Hoffmann slot_ctx[2] &= ~0xFF00000; /* interrupter target */ 2499f1ae32a1SGerd Hoffmann slot_ctx[2] |= islot_ctx[2] & 0xFF000000; 2500f1ae32a1SGerd Hoffmann 2501f1ae32a1SGerd Hoffmann DPRINTF("xhci: output slot context: %08x %08x %08x %08x\n", 2502f1ae32a1SGerd Hoffmann slot_ctx[0], slot_ctx[1], slot_ctx[2], slot_ctx[3]); 2503f1ae32a1SGerd Hoffmann 2504616b5d53SDavid Gibson xhci_dma_write_u32s(xhci, octx, slot_ctx, sizeof(slot_ctx)); 2505f1ae32a1SGerd Hoffmann } 2506f1ae32a1SGerd Hoffmann 2507f1ae32a1SGerd Hoffmann if (ictl_ctx[1] & 0x2) { 2508616b5d53SDavid Gibson xhci_dma_read_u32s(xhci, ictx+64, iep0_ctx, sizeof(iep0_ctx)); 2509f1ae32a1SGerd Hoffmann 2510f1ae32a1SGerd Hoffmann DPRINTF("xhci: input ep0 context: %08x %08x %08x %08x %08x\n", 2511f1ae32a1SGerd Hoffmann iep0_ctx[0], iep0_ctx[1], iep0_ctx[2], 2512f1ae32a1SGerd Hoffmann iep0_ctx[3], iep0_ctx[4]); 2513f1ae32a1SGerd Hoffmann 2514616b5d53SDavid Gibson xhci_dma_read_u32s(xhci, octx+32, ep0_ctx, sizeof(ep0_ctx)); 2515f1ae32a1SGerd Hoffmann 2516f1ae32a1SGerd Hoffmann ep0_ctx[1] &= ~0xFFFF0000; /* max packet size*/ 2517f1ae32a1SGerd Hoffmann ep0_ctx[1] |= iep0_ctx[1] & 0xFFFF0000; 2518f1ae32a1SGerd Hoffmann 2519f1ae32a1SGerd Hoffmann DPRINTF("xhci: output ep0 context: %08x %08x %08x %08x %08x\n", 2520f1ae32a1SGerd Hoffmann ep0_ctx[0], ep0_ctx[1], ep0_ctx[2], ep0_ctx[3], ep0_ctx[4]); 2521f1ae32a1SGerd Hoffmann 2522616b5d53SDavid Gibson xhci_dma_write_u32s(xhci, octx+32, ep0_ctx, sizeof(ep0_ctx)); 2523f1ae32a1SGerd Hoffmann } 2524f1ae32a1SGerd Hoffmann 2525f1ae32a1SGerd Hoffmann return CC_SUCCESS; 2526f1ae32a1SGerd Hoffmann } 2527f1ae32a1SGerd Hoffmann 2528f1ae32a1SGerd Hoffmann static TRBCCode xhci_reset_slot(XHCIState *xhci, unsigned int slotid) 2529f1ae32a1SGerd Hoffmann { 2530f1ae32a1SGerd Hoffmann uint32_t slot_ctx[4]; 253159a70ccdSDavid Gibson dma_addr_t octx; 2532f1ae32a1SGerd Hoffmann int i; 2533f1ae32a1SGerd Hoffmann 2534348f1037SGerd Hoffmann trace_usb_xhci_slot_reset(slotid); 253591062ae0SGerd Hoffmann assert(slotid >= 1 && slotid <= xhci->numslots); 2536f1ae32a1SGerd Hoffmann 2537f1ae32a1SGerd Hoffmann octx = xhci->slots[slotid-1].ctx; 2538f1ae32a1SGerd Hoffmann 253959a70ccdSDavid Gibson DPRINTF("xhci: output context at "DMA_ADDR_FMT"\n", octx); 2540f1ae32a1SGerd Hoffmann 2541f1ae32a1SGerd Hoffmann for (i = 2; i <= 31; i++) { 2542f1ae32a1SGerd Hoffmann if (xhci->slots[slotid-1].eps[i-1]) { 2543f1ae32a1SGerd Hoffmann xhci_disable_ep(xhci, slotid, i); 2544f1ae32a1SGerd Hoffmann } 2545f1ae32a1SGerd Hoffmann } 2546f1ae32a1SGerd Hoffmann 2547616b5d53SDavid Gibson xhci_dma_read_u32s(xhci, octx, slot_ctx, sizeof(slot_ctx)); 2548f1ae32a1SGerd Hoffmann slot_ctx[3] &= ~(SLOT_STATE_MASK << SLOT_STATE_SHIFT); 2549f1ae32a1SGerd Hoffmann slot_ctx[3] |= SLOT_DEFAULT << SLOT_STATE_SHIFT; 2550f1ae32a1SGerd Hoffmann DPRINTF("xhci: output slot context: %08x %08x %08x %08x\n", 2551f1ae32a1SGerd Hoffmann slot_ctx[0], slot_ctx[1], slot_ctx[2], slot_ctx[3]); 2552616b5d53SDavid Gibson xhci_dma_write_u32s(xhci, octx, slot_ctx, sizeof(slot_ctx)); 2553f1ae32a1SGerd Hoffmann 2554f1ae32a1SGerd Hoffmann return CC_SUCCESS; 2555f1ae32a1SGerd Hoffmann } 2556f1ae32a1SGerd Hoffmann 2557f1ae32a1SGerd Hoffmann static unsigned int xhci_get_slot(XHCIState *xhci, XHCIEvent *event, XHCITRB *trb) 2558f1ae32a1SGerd Hoffmann { 2559f1ae32a1SGerd Hoffmann unsigned int slotid; 2560f1ae32a1SGerd Hoffmann slotid = (trb->control >> TRB_CR_SLOTID_SHIFT) & TRB_CR_SLOTID_MASK; 256191062ae0SGerd Hoffmann if (slotid < 1 || slotid > xhci->numslots) { 2562d6bb65fcSGerd Hoffmann DPRINTF("xhci: bad slot id %d\n", slotid); 2563f1ae32a1SGerd Hoffmann event->ccode = CC_TRB_ERROR; 2564f1ae32a1SGerd Hoffmann return 0; 2565f1ae32a1SGerd Hoffmann } else if (!xhci->slots[slotid-1].enabled) { 2566d6bb65fcSGerd Hoffmann DPRINTF("xhci: slot id %d not enabled\n", slotid); 2567f1ae32a1SGerd Hoffmann event->ccode = CC_SLOT_NOT_ENABLED_ERROR; 2568f1ae32a1SGerd Hoffmann return 0; 2569f1ae32a1SGerd Hoffmann } 2570f1ae32a1SGerd Hoffmann return slotid; 2571f1ae32a1SGerd Hoffmann } 2572f1ae32a1SGerd Hoffmann 257381251841SGerd Hoffmann /* cleanup slot state on usb device detach */ 257481251841SGerd Hoffmann static void xhci_detach_slot(XHCIState *xhci, USBPort *uport) 257581251841SGerd Hoffmann { 25760cb41e2cSGerd Hoffmann int slot, ep; 257781251841SGerd Hoffmann 257881251841SGerd Hoffmann for (slot = 0; slot < xhci->numslots; slot++) { 257981251841SGerd Hoffmann if (xhci->slots[slot].uport == uport) { 258081251841SGerd Hoffmann break; 258181251841SGerd Hoffmann } 258281251841SGerd Hoffmann } 258381251841SGerd Hoffmann if (slot == xhci->numslots) { 258481251841SGerd Hoffmann return; 258581251841SGerd Hoffmann } 258681251841SGerd Hoffmann 25870cb41e2cSGerd Hoffmann for (ep = 0; ep < 31; ep++) { 25880cb41e2cSGerd Hoffmann if (xhci->slots[slot].eps[ep]) { 2589582d6f4aSHans de Goede xhci_ep_nuke_xfers(xhci, slot + 1, ep + 1, 0); 25900cb41e2cSGerd Hoffmann } 25910cb41e2cSGerd Hoffmann } 259281251841SGerd Hoffmann xhci->slots[slot].uport = NULL; 259381251841SGerd Hoffmann } 259481251841SGerd Hoffmann 2595f1ae32a1SGerd Hoffmann static TRBCCode xhci_get_port_bandwidth(XHCIState *xhci, uint64_t pctx) 2596f1ae32a1SGerd Hoffmann { 259759a70ccdSDavid Gibson dma_addr_t ctx; 25980846e635SGerd Hoffmann uint8_t bw_ctx[xhci->numports+1]; 2599f1ae32a1SGerd Hoffmann 2600f1ae32a1SGerd Hoffmann DPRINTF("xhci_get_port_bandwidth()\n"); 2601f1ae32a1SGerd Hoffmann 2602f1ae32a1SGerd Hoffmann ctx = xhci_mask64(pctx); 2603f1ae32a1SGerd Hoffmann 260459a70ccdSDavid Gibson DPRINTF("xhci: bandwidth context at "DMA_ADDR_FMT"\n", ctx); 2605f1ae32a1SGerd Hoffmann 2606f1ae32a1SGerd Hoffmann /* TODO: actually implement real values here */ 2607f1ae32a1SGerd Hoffmann bw_ctx[0] = 0; 26080846e635SGerd Hoffmann memset(&bw_ctx[1], 80, xhci->numports); /* 80% */ 26099b7d3334SAndreas Färber pci_dma_write(PCI_DEVICE(xhci), ctx, bw_ctx, sizeof(bw_ctx)); 2610f1ae32a1SGerd Hoffmann 2611f1ae32a1SGerd Hoffmann return CC_SUCCESS; 2612f1ae32a1SGerd Hoffmann } 2613f1ae32a1SGerd Hoffmann 2614f1ae32a1SGerd Hoffmann static uint32_t rotl(uint32_t v, unsigned count) 2615f1ae32a1SGerd Hoffmann { 2616f1ae32a1SGerd Hoffmann count &= 31; 2617f1ae32a1SGerd Hoffmann return (v << count) | (v >> (32 - count)); 2618f1ae32a1SGerd Hoffmann } 2619f1ae32a1SGerd Hoffmann 2620f1ae32a1SGerd Hoffmann 2621f1ae32a1SGerd Hoffmann static uint32_t xhci_nec_challenge(uint32_t hi, uint32_t lo) 2622f1ae32a1SGerd Hoffmann { 2623f1ae32a1SGerd Hoffmann uint32_t val; 2624f1ae32a1SGerd Hoffmann val = rotl(lo - 0x49434878, 32 - ((hi>>8) & 0x1F)); 2625f1ae32a1SGerd Hoffmann val += rotl(lo + 0x49434878, hi & 0x1F); 2626f1ae32a1SGerd Hoffmann val -= rotl(hi ^ 0x49434878, (lo >> 16) & 0x1F); 2627f1ae32a1SGerd Hoffmann return ~val; 2628f1ae32a1SGerd Hoffmann } 2629f1ae32a1SGerd Hoffmann 2630f1ae32a1SGerd Hoffmann static void xhci_process_commands(XHCIState *xhci) 2631f1ae32a1SGerd Hoffmann { 2632f1ae32a1SGerd Hoffmann XHCITRB trb; 2633f1ae32a1SGerd Hoffmann TRBType type; 2634f1ae32a1SGerd Hoffmann XHCIEvent event = {ER_COMMAND_COMPLETE, CC_SUCCESS}; 263559a70ccdSDavid Gibson dma_addr_t addr; 2636f89b60f6SGerd Hoffmann unsigned int i, slotid = 0, count = 0; 2637f1ae32a1SGerd Hoffmann 2638f1ae32a1SGerd Hoffmann DPRINTF("xhci_process_commands()\n"); 2639f1ae32a1SGerd Hoffmann if (!xhci_running(xhci)) { 2640f1ae32a1SGerd Hoffmann DPRINTF("xhci_process_commands() called while xHC stopped or paused\n"); 2641f1ae32a1SGerd Hoffmann return; 2642f1ae32a1SGerd Hoffmann } 2643f1ae32a1SGerd Hoffmann 2644f1ae32a1SGerd Hoffmann xhci->crcr_low |= CRCR_CRR; 2645f1ae32a1SGerd Hoffmann 2646f1ae32a1SGerd Hoffmann while ((type = xhci_ring_fetch(xhci, &xhci->cmd_ring, &trb, &addr))) { 2647f1ae32a1SGerd Hoffmann event.ptr = addr; 2648f1ae32a1SGerd Hoffmann switch (type) { 2649f1ae32a1SGerd Hoffmann case CR_ENABLE_SLOT: 265091062ae0SGerd Hoffmann for (i = 0; i < xhci->numslots; i++) { 2651f1ae32a1SGerd Hoffmann if (!xhci->slots[i].enabled) { 2652f1ae32a1SGerd Hoffmann break; 2653f1ae32a1SGerd Hoffmann } 2654f1ae32a1SGerd Hoffmann } 265591062ae0SGerd Hoffmann if (i >= xhci->numslots) { 2656d6bb65fcSGerd Hoffmann DPRINTF("xhci: no device slots available\n"); 2657f1ae32a1SGerd Hoffmann event.ccode = CC_NO_SLOTS_ERROR; 2658f1ae32a1SGerd Hoffmann } else { 2659f1ae32a1SGerd Hoffmann slotid = i+1; 2660f1ae32a1SGerd Hoffmann event.ccode = xhci_enable_slot(xhci, slotid); 2661f1ae32a1SGerd Hoffmann } 2662f1ae32a1SGerd Hoffmann break; 2663f1ae32a1SGerd Hoffmann case CR_DISABLE_SLOT: 2664f1ae32a1SGerd Hoffmann slotid = xhci_get_slot(xhci, &event, &trb); 2665f1ae32a1SGerd Hoffmann if (slotid) { 2666f1ae32a1SGerd Hoffmann event.ccode = xhci_disable_slot(xhci, slotid); 2667f1ae32a1SGerd Hoffmann } 2668f1ae32a1SGerd Hoffmann break; 2669f1ae32a1SGerd Hoffmann case CR_ADDRESS_DEVICE: 2670f1ae32a1SGerd Hoffmann slotid = xhci_get_slot(xhci, &event, &trb); 2671f1ae32a1SGerd Hoffmann if (slotid) { 2672f1ae32a1SGerd Hoffmann event.ccode = xhci_address_slot(xhci, slotid, trb.parameter, 2673f1ae32a1SGerd Hoffmann trb.control & TRB_CR_BSR); 2674f1ae32a1SGerd Hoffmann } 2675f1ae32a1SGerd Hoffmann break; 2676f1ae32a1SGerd Hoffmann case CR_CONFIGURE_ENDPOINT: 2677f1ae32a1SGerd Hoffmann slotid = xhci_get_slot(xhci, &event, &trb); 2678f1ae32a1SGerd Hoffmann if (slotid) { 2679f1ae32a1SGerd Hoffmann event.ccode = xhci_configure_slot(xhci, slotid, trb.parameter, 2680f1ae32a1SGerd Hoffmann trb.control & TRB_CR_DC); 2681f1ae32a1SGerd Hoffmann } 2682f1ae32a1SGerd Hoffmann break; 2683f1ae32a1SGerd Hoffmann case CR_EVALUATE_CONTEXT: 2684f1ae32a1SGerd Hoffmann slotid = xhci_get_slot(xhci, &event, &trb); 2685f1ae32a1SGerd Hoffmann if (slotid) { 2686f1ae32a1SGerd Hoffmann event.ccode = xhci_evaluate_slot(xhci, slotid, trb.parameter); 2687f1ae32a1SGerd Hoffmann } 2688f1ae32a1SGerd Hoffmann break; 2689f1ae32a1SGerd Hoffmann case CR_STOP_ENDPOINT: 2690f1ae32a1SGerd Hoffmann slotid = xhci_get_slot(xhci, &event, &trb); 2691f1ae32a1SGerd Hoffmann if (slotid) { 2692f1ae32a1SGerd Hoffmann unsigned int epid = (trb.control >> TRB_CR_EPID_SHIFT) 2693f1ae32a1SGerd Hoffmann & TRB_CR_EPID_MASK; 2694f1ae32a1SGerd Hoffmann event.ccode = xhci_stop_ep(xhci, slotid, epid); 2695f1ae32a1SGerd Hoffmann } 2696f1ae32a1SGerd Hoffmann break; 2697f1ae32a1SGerd Hoffmann case CR_RESET_ENDPOINT: 2698f1ae32a1SGerd Hoffmann slotid = xhci_get_slot(xhci, &event, &trb); 2699f1ae32a1SGerd Hoffmann if (slotid) { 2700f1ae32a1SGerd Hoffmann unsigned int epid = (trb.control >> TRB_CR_EPID_SHIFT) 2701f1ae32a1SGerd Hoffmann & TRB_CR_EPID_MASK; 2702f1ae32a1SGerd Hoffmann event.ccode = xhci_reset_ep(xhci, slotid, epid); 2703f1ae32a1SGerd Hoffmann } 2704f1ae32a1SGerd Hoffmann break; 2705f1ae32a1SGerd Hoffmann case CR_SET_TR_DEQUEUE: 2706f1ae32a1SGerd Hoffmann slotid = xhci_get_slot(xhci, &event, &trb); 2707f1ae32a1SGerd Hoffmann if (slotid) { 2708f1ae32a1SGerd Hoffmann unsigned int epid = (trb.control >> TRB_CR_EPID_SHIFT) 2709f1ae32a1SGerd Hoffmann & TRB_CR_EPID_MASK; 2710024426acSGerd Hoffmann unsigned int streamid = (trb.status >> 16) & 0xffff; 2711024426acSGerd Hoffmann event.ccode = xhci_set_ep_dequeue(xhci, slotid, 2712024426acSGerd Hoffmann epid, streamid, 2713f1ae32a1SGerd Hoffmann trb.parameter); 2714f1ae32a1SGerd Hoffmann } 2715f1ae32a1SGerd Hoffmann break; 2716f1ae32a1SGerd Hoffmann case CR_RESET_DEVICE: 2717f1ae32a1SGerd Hoffmann slotid = xhci_get_slot(xhci, &event, &trb); 2718f1ae32a1SGerd Hoffmann if (slotid) { 2719f1ae32a1SGerd Hoffmann event.ccode = xhci_reset_slot(xhci, slotid); 2720f1ae32a1SGerd Hoffmann } 2721f1ae32a1SGerd Hoffmann break; 2722f1ae32a1SGerd Hoffmann case CR_GET_PORT_BANDWIDTH: 2723f1ae32a1SGerd Hoffmann event.ccode = xhci_get_port_bandwidth(xhci, trb.parameter); 2724f1ae32a1SGerd Hoffmann break; 2725f1ae32a1SGerd Hoffmann case CR_VENDOR_NEC_FIRMWARE_REVISION: 27262992d6b4SGerd Hoffmann if (xhci->nec_quirks) { 2727f1ae32a1SGerd Hoffmann event.type = 48; /* NEC reply */ 2728f1ae32a1SGerd Hoffmann event.length = 0x3025; 27292992d6b4SGerd Hoffmann } else { 27302992d6b4SGerd Hoffmann event.ccode = CC_TRB_ERROR; 27312992d6b4SGerd Hoffmann } 2732f1ae32a1SGerd Hoffmann break; 2733f1ae32a1SGerd Hoffmann case CR_VENDOR_NEC_CHALLENGE_RESPONSE: 27342992d6b4SGerd Hoffmann if (xhci->nec_quirks) { 2735f1ae32a1SGerd Hoffmann uint32_t chi = trb.parameter >> 32; 2736f1ae32a1SGerd Hoffmann uint32_t clo = trb.parameter; 2737f1ae32a1SGerd Hoffmann uint32_t val = xhci_nec_challenge(chi, clo); 2738f1ae32a1SGerd Hoffmann event.length = val & 0xFFFF; 2739f1ae32a1SGerd Hoffmann event.epid = val >> 16; 2740f1ae32a1SGerd Hoffmann slotid = val >> 24; 2741f1ae32a1SGerd Hoffmann event.type = 48; /* NEC reply */ 27422992d6b4SGerd Hoffmann } else { 27432992d6b4SGerd Hoffmann event.ccode = CC_TRB_ERROR; 2744f1ae32a1SGerd Hoffmann } 2745f1ae32a1SGerd Hoffmann break; 2746f1ae32a1SGerd Hoffmann default: 27470ab966cfSGerd Hoffmann trace_usb_xhci_unimplemented("command", type); 2748f1ae32a1SGerd Hoffmann event.ccode = CC_TRB_ERROR; 2749f1ae32a1SGerd Hoffmann break; 2750f1ae32a1SGerd Hoffmann } 2751f1ae32a1SGerd Hoffmann event.slotid = slotid; 27522d1de850SGerd Hoffmann xhci_event(xhci, &event, 0); 2753f89b60f6SGerd Hoffmann 2754f89b60f6SGerd Hoffmann if (count++ > COMMAND_LIMIT) { 2755f89b60f6SGerd Hoffmann trace_usb_xhci_enforced_limit("commands"); 2756f89b60f6SGerd Hoffmann return; 2757f89b60f6SGerd Hoffmann } 2758f1ae32a1SGerd Hoffmann } 2759f1ae32a1SGerd Hoffmann } 2760f1ae32a1SGerd Hoffmann 27616a32f80fSGerd Hoffmann static bool xhci_port_have_device(XHCIPort *port) 27626a32f80fSGerd Hoffmann { 27636a32f80fSGerd Hoffmann if (!port->uport->dev || !port->uport->dev->attached) { 27646a32f80fSGerd Hoffmann return false; /* no device present */ 27656a32f80fSGerd Hoffmann } 27666a32f80fSGerd Hoffmann if (!((1 << port->uport->dev->speed) & port->speedmask)) { 27676a32f80fSGerd Hoffmann return false; /* speed mismatch */ 27686a32f80fSGerd Hoffmann } 27696a32f80fSGerd Hoffmann return true; 27706a32f80fSGerd Hoffmann } 27716a32f80fSGerd Hoffmann 2772f705a362SGerd Hoffmann static void xhci_port_notify(XHCIPort *port, uint32_t bits) 2773f705a362SGerd Hoffmann { 2774f705a362SGerd Hoffmann XHCIEvent ev = { ER_PORT_STATUS_CHANGE, CC_SUCCESS, 2775f705a362SGerd Hoffmann port->portnr << 24 }; 2776f705a362SGerd Hoffmann 2777f705a362SGerd Hoffmann if ((port->portsc & bits) == bits) { 2778f705a362SGerd Hoffmann return; 2779f705a362SGerd Hoffmann } 2780bdfce20dSGerd Hoffmann trace_usb_xhci_port_notify(port->portnr, bits); 2781f705a362SGerd Hoffmann port->portsc |= bits; 2782f705a362SGerd Hoffmann if (!xhci_running(port->xhci)) { 2783f705a362SGerd Hoffmann return; 2784f705a362SGerd Hoffmann } 2785f705a362SGerd Hoffmann xhci_event(port->xhci, &ev, 0); 2786f705a362SGerd Hoffmann } 2787f705a362SGerd Hoffmann 2788f3214027SGerd Hoffmann static void xhci_port_update(XHCIPort *port, int is_detach) 2789f1ae32a1SGerd Hoffmann { 2790b62b0828SGerd Hoffmann uint32_t pls = PLS_RX_DETECT; 2791b62b0828SGerd Hoffmann 2792f1ae32a1SGerd Hoffmann port->portsc = PORTSC_PP; 27936a32f80fSGerd Hoffmann if (!is_detach && xhci_port_have_device(port)) { 2794f1ae32a1SGerd Hoffmann port->portsc |= PORTSC_CCS; 27950846e635SGerd Hoffmann switch (port->uport->dev->speed) { 2796f1ae32a1SGerd Hoffmann case USB_SPEED_LOW: 2797f1ae32a1SGerd Hoffmann port->portsc |= PORTSC_SPEED_LOW; 2798b62b0828SGerd Hoffmann pls = PLS_POLLING; 2799f1ae32a1SGerd Hoffmann break; 2800f1ae32a1SGerd Hoffmann case USB_SPEED_FULL: 2801f1ae32a1SGerd Hoffmann port->portsc |= PORTSC_SPEED_FULL; 2802b62b0828SGerd Hoffmann pls = PLS_POLLING; 2803f1ae32a1SGerd Hoffmann break; 2804f1ae32a1SGerd Hoffmann case USB_SPEED_HIGH: 2805f1ae32a1SGerd Hoffmann port->portsc |= PORTSC_SPEED_HIGH; 2806b62b0828SGerd Hoffmann pls = PLS_POLLING; 2807f1ae32a1SGerd Hoffmann break; 28080846e635SGerd Hoffmann case USB_SPEED_SUPER: 28090846e635SGerd Hoffmann port->portsc |= PORTSC_SPEED_SUPER; 2810b62b0828SGerd Hoffmann port->portsc |= PORTSC_PED; 2811b62b0828SGerd Hoffmann pls = PLS_U0; 28120846e635SGerd Hoffmann break; 2813f1ae32a1SGerd Hoffmann } 2814f1ae32a1SGerd Hoffmann } 2815b62b0828SGerd Hoffmann set_field(&port->portsc, pls, PORTSC_PLS); 28164f47f0f8SGerd Hoffmann trace_usb_xhci_port_link(port->portnr, pls); 2817f705a362SGerd Hoffmann xhci_port_notify(port, PORTSC_CSC); 2818f1ae32a1SGerd Hoffmann } 2819f1ae32a1SGerd Hoffmann 2820dad5b9eaSGerd Hoffmann static void xhci_port_reset(XHCIPort *port, bool warm_reset) 282140030130SGerd Hoffmann { 28227bd3055fSGerd Hoffmann trace_usb_xhci_port_reset(port->portnr, warm_reset); 28234f47f0f8SGerd Hoffmann 2824b62b0828SGerd Hoffmann if (!xhci_port_have_device(port)) { 2825b62b0828SGerd Hoffmann return; 2826b62b0828SGerd Hoffmann } 2827b62b0828SGerd Hoffmann 282840030130SGerd Hoffmann usb_device_reset(port->uport->dev); 2829b62b0828SGerd Hoffmann 2830b62b0828SGerd Hoffmann switch (port->uport->dev->speed) { 2831dad5b9eaSGerd Hoffmann case USB_SPEED_SUPER: 2832dad5b9eaSGerd Hoffmann if (warm_reset) { 2833dad5b9eaSGerd Hoffmann port->portsc |= PORTSC_WRC; 2834dad5b9eaSGerd Hoffmann } 2835dad5b9eaSGerd Hoffmann /* fall through */ 2836b62b0828SGerd Hoffmann case USB_SPEED_LOW: 2837b62b0828SGerd Hoffmann case USB_SPEED_FULL: 2838b62b0828SGerd Hoffmann case USB_SPEED_HIGH: 2839b62b0828SGerd Hoffmann set_field(&port->portsc, PLS_U0, PORTSC_PLS); 28404f47f0f8SGerd Hoffmann trace_usb_xhci_port_link(port->portnr, PLS_U0); 2841b62b0828SGerd Hoffmann port->portsc |= PORTSC_PED; 2842b62b0828SGerd Hoffmann break; 2843b62b0828SGerd Hoffmann } 2844b62b0828SGerd Hoffmann 2845b62b0828SGerd Hoffmann port->portsc &= ~PORTSC_PR; 2846b62b0828SGerd Hoffmann xhci_port_notify(port, PORTSC_PRC); 284740030130SGerd Hoffmann } 284840030130SGerd Hoffmann 284964619739SJan Kiszka static void xhci_reset(DeviceState *dev) 2850f1ae32a1SGerd Hoffmann { 285137034575SPeter Crosthwaite XHCIState *xhci = XHCI(dev); 2852f1ae32a1SGerd Hoffmann int i; 2853f1ae32a1SGerd Hoffmann 28542d754a10SGerd Hoffmann trace_usb_xhci_reset(); 2855f1ae32a1SGerd Hoffmann if (!(xhci->usbsts & USBSTS_HCH)) { 2856d6bb65fcSGerd Hoffmann DPRINTF("xhci: reset while running!\n"); 2857f1ae32a1SGerd Hoffmann } 2858f1ae32a1SGerd Hoffmann 2859f1ae32a1SGerd Hoffmann xhci->usbcmd = 0; 2860f1ae32a1SGerd Hoffmann xhci->usbsts = USBSTS_HCH; 2861f1ae32a1SGerd Hoffmann xhci->dnctrl = 0; 2862f1ae32a1SGerd Hoffmann xhci->crcr_low = 0; 2863f1ae32a1SGerd Hoffmann xhci->crcr_high = 0; 2864f1ae32a1SGerd Hoffmann xhci->dcbaap_low = 0; 2865f1ae32a1SGerd Hoffmann xhci->dcbaap_high = 0; 2866f1ae32a1SGerd Hoffmann xhci->config = 0; 2867f1ae32a1SGerd Hoffmann 286891062ae0SGerd Hoffmann for (i = 0; i < xhci->numslots; i++) { 2869f1ae32a1SGerd Hoffmann xhci_disable_slot(xhci, i+1); 2870f1ae32a1SGerd Hoffmann } 2871f1ae32a1SGerd Hoffmann 28720846e635SGerd Hoffmann for (i = 0; i < xhci->numports; i++) { 2873f3214027SGerd Hoffmann xhci_port_update(xhci->ports + i, 0); 2874f1ae32a1SGerd Hoffmann } 2875f1ae32a1SGerd Hoffmann 287691062ae0SGerd Hoffmann for (i = 0; i < xhci->numintrs; i++) { 2877962d11e1SGerd Hoffmann xhci->intr[i].iman = 0; 2878962d11e1SGerd Hoffmann xhci->intr[i].imod = 0; 2879962d11e1SGerd Hoffmann xhci->intr[i].erstsz = 0; 2880962d11e1SGerd Hoffmann xhci->intr[i].erstba_low = 0; 2881962d11e1SGerd Hoffmann xhci->intr[i].erstba_high = 0; 2882962d11e1SGerd Hoffmann xhci->intr[i].erdp_low = 0; 2883962d11e1SGerd Hoffmann xhci->intr[i].erdp_high = 0; 2884962d11e1SGerd Hoffmann xhci->intr[i].msix_used = 0; 2885f1ae32a1SGerd Hoffmann 2886962d11e1SGerd Hoffmann xhci->intr[i].er_ep_idx = 0; 2887962d11e1SGerd Hoffmann xhci->intr[i].er_pcs = 1; 2888962d11e1SGerd Hoffmann xhci->intr[i].ev_buffer_put = 0; 2889962d11e1SGerd Hoffmann xhci->intr[i].ev_buffer_get = 0; 2890962d11e1SGerd Hoffmann } 289101546fa6SGerd Hoffmann 2892bc72ad67SAlex Bligh xhci->mfindex_start = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL); 289301546fa6SGerd Hoffmann xhci_mfwrap_update(xhci); 2894f1ae32a1SGerd Hoffmann } 2895f1ae32a1SGerd Hoffmann 2896a8170e5eSAvi Kivity static uint64_t xhci_cap_read(void *ptr, hwaddr reg, unsigned size) 2897f1ae32a1SGerd Hoffmann { 28981b067564SGerd Hoffmann XHCIState *xhci = ptr; 28992d754a10SGerd Hoffmann uint32_t ret; 2900f1ae32a1SGerd Hoffmann 2901f1ae32a1SGerd Hoffmann switch (reg) { 2902f1ae32a1SGerd Hoffmann case 0x00: /* HCIVERSION, CAPLENGTH */ 29032d754a10SGerd Hoffmann ret = 0x01000000 | LEN_CAP; 29042d754a10SGerd Hoffmann break; 2905f1ae32a1SGerd Hoffmann case 0x04: /* HCSPARAMS 1 */ 29060846e635SGerd Hoffmann ret = ((xhci->numports_2+xhci->numports_3)<<24) 290791062ae0SGerd Hoffmann | (xhci->numintrs<<8) | xhci->numslots; 29082d754a10SGerd Hoffmann break; 2909f1ae32a1SGerd Hoffmann case 0x08: /* HCSPARAMS 2 */ 29102d754a10SGerd Hoffmann ret = 0x0000000f; 29112d754a10SGerd Hoffmann break; 2912f1ae32a1SGerd Hoffmann case 0x0c: /* HCSPARAMS 3 */ 29132d754a10SGerd Hoffmann ret = 0x00000000; 29142d754a10SGerd Hoffmann break; 2915f1ae32a1SGerd Hoffmann case 0x10: /* HCCPARAMS */ 29162d754a10SGerd Hoffmann if (sizeof(dma_addr_t) == 4) { 29172aa6bfcbSGerd Hoffmann ret = 0x00080000 | (xhci->max_pstreams_mask << 12); 29182d754a10SGerd Hoffmann } else { 29192aa6bfcbSGerd Hoffmann ret = 0x00080001 | (xhci->max_pstreams_mask << 12); 29202d754a10SGerd Hoffmann } 29212d754a10SGerd Hoffmann break; 2922f1ae32a1SGerd Hoffmann case 0x14: /* DBOFF */ 29232d754a10SGerd Hoffmann ret = OFF_DOORBELL; 29242d754a10SGerd Hoffmann break; 2925f1ae32a1SGerd Hoffmann case 0x18: /* RTSOFF */ 29262d754a10SGerd Hoffmann ret = OFF_RUNTIME; 29272d754a10SGerd Hoffmann break; 2928f1ae32a1SGerd Hoffmann 2929f1ae32a1SGerd Hoffmann /* extended capabilities */ 2930f1ae32a1SGerd Hoffmann case 0x20: /* Supported Protocol:00 */ 29312d754a10SGerd Hoffmann ret = 0x02000402; /* USB 2.0 */ 29322d754a10SGerd Hoffmann break; 2933f1ae32a1SGerd Hoffmann case 0x24: /* Supported Protocol:04 */ 29340ebfb144SGerd Hoffmann ret = 0x20425355; /* "USB " */ 29352d754a10SGerd Hoffmann break; 2936f1ae32a1SGerd Hoffmann case 0x28: /* Supported Protocol:08 */ 29377bafd888SGerd Hoffmann if (xhci_get_flag(xhci, XHCI_FLAG_SS_FIRST)) { 29387bafd888SGerd Hoffmann ret = (xhci->numports_2<<8) | (xhci->numports_3+1); 29397bafd888SGerd Hoffmann } else { 29407bafd888SGerd Hoffmann ret = (xhci->numports_2<<8) | 1; 29417bafd888SGerd Hoffmann } 29422d754a10SGerd Hoffmann break; 2943f1ae32a1SGerd Hoffmann case 0x2c: /* Supported Protocol:0c */ 29442d754a10SGerd Hoffmann ret = 0x00000000; /* reserved */ 29452d754a10SGerd Hoffmann break; 2946f1ae32a1SGerd Hoffmann case 0x30: /* Supported Protocol:00 */ 29472d754a10SGerd Hoffmann ret = 0x03000002; /* USB 3.0 */ 29482d754a10SGerd Hoffmann break; 2949f1ae32a1SGerd Hoffmann case 0x34: /* Supported Protocol:04 */ 29500ebfb144SGerd Hoffmann ret = 0x20425355; /* "USB " */ 29512d754a10SGerd Hoffmann break; 2952f1ae32a1SGerd Hoffmann case 0x38: /* Supported Protocol:08 */ 29537bafd888SGerd Hoffmann if (xhci_get_flag(xhci, XHCI_FLAG_SS_FIRST)) { 29547bafd888SGerd Hoffmann ret = (xhci->numports_3<<8) | 1; 29557bafd888SGerd Hoffmann } else { 29567bafd888SGerd Hoffmann ret = (xhci->numports_3<<8) | (xhci->numports_2+1); 29577bafd888SGerd Hoffmann } 29582d754a10SGerd Hoffmann break; 2959f1ae32a1SGerd Hoffmann case 0x3c: /* Supported Protocol:0c */ 29602d754a10SGerd Hoffmann ret = 0x00000000; /* reserved */ 29612d754a10SGerd Hoffmann break; 2962f1ae32a1SGerd Hoffmann default: 29630ab966cfSGerd Hoffmann trace_usb_xhci_unimplemented("cap read", reg); 29642d754a10SGerd Hoffmann ret = 0; 2965f1ae32a1SGerd Hoffmann } 29662d754a10SGerd Hoffmann 29672d754a10SGerd Hoffmann trace_usb_xhci_cap_read(reg, ret); 29682d754a10SGerd Hoffmann return ret; 2969f1ae32a1SGerd Hoffmann } 2970f1ae32a1SGerd Hoffmann 2971a8170e5eSAvi Kivity static uint64_t xhci_port_read(void *ptr, hwaddr reg, unsigned size) 2972f1ae32a1SGerd Hoffmann { 29731d8a4e69SGerd Hoffmann XHCIPort *port = ptr; 29742d754a10SGerd Hoffmann uint32_t ret; 29752d754a10SGerd Hoffmann 29761d8a4e69SGerd Hoffmann switch (reg) { 2977f1ae32a1SGerd Hoffmann case 0x00: /* PORTSC */ 29781d8a4e69SGerd Hoffmann ret = port->portsc; 29792d754a10SGerd Hoffmann break; 2980f1ae32a1SGerd Hoffmann case 0x04: /* PORTPMSC */ 2981f1ae32a1SGerd Hoffmann case 0x08: /* PORTLI */ 29822d754a10SGerd Hoffmann ret = 0; 29832d754a10SGerd Hoffmann break; 2984f1ae32a1SGerd Hoffmann case 0x0c: /* reserved */ 2985f1ae32a1SGerd Hoffmann default: 29860ab966cfSGerd Hoffmann trace_usb_xhci_unimplemented("port read", reg); 29872d754a10SGerd Hoffmann ret = 0; 2988f1ae32a1SGerd Hoffmann } 29892d754a10SGerd Hoffmann 29901d8a4e69SGerd Hoffmann trace_usb_xhci_port_read(port->portnr, reg, ret); 29912d754a10SGerd Hoffmann return ret; 2992f1ae32a1SGerd Hoffmann } 2993f1ae32a1SGerd Hoffmann 2994a8170e5eSAvi Kivity static void xhci_port_write(void *ptr, hwaddr reg, 29951d8a4e69SGerd Hoffmann uint64_t val, unsigned size) 2996f1ae32a1SGerd Hoffmann { 29971d8a4e69SGerd Hoffmann XHCIPort *port = ptr; 2998bdfce20dSGerd Hoffmann uint32_t portsc, notify; 2999f1ae32a1SGerd Hoffmann 30001d8a4e69SGerd Hoffmann trace_usb_xhci_port_write(port->portnr, reg, val); 30012d754a10SGerd Hoffmann 30021d8a4e69SGerd Hoffmann switch (reg) { 3003f1ae32a1SGerd Hoffmann case 0x00: /* PORTSC */ 3004bdfce20dSGerd Hoffmann /* write-1-to-start bits */ 3005dad5b9eaSGerd Hoffmann if (val & PORTSC_WPR) { 3006dad5b9eaSGerd Hoffmann xhci_port_reset(port, true); 3007dad5b9eaSGerd Hoffmann break; 3008dad5b9eaSGerd Hoffmann } 3009bdfce20dSGerd Hoffmann if (val & PORTSC_PR) { 3010dad5b9eaSGerd Hoffmann xhci_port_reset(port, false); 3011bdfce20dSGerd Hoffmann break; 3012bdfce20dSGerd Hoffmann } 3013bdfce20dSGerd Hoffmann 30141d8a4e69SGerd Hoffmann portsc = port->portsc; 3015bdfce20dSGerd Hoffmann notify = 0; 3016f1ae32a1SGerd Hoffmann /* write-1-to-clear bits*/ 3017f1ae32a1SGerd Hoffmann portsc &= ~(val & (PORTSC_CSC|PORTSC_PEC|PORTSC_WRC|PORTSC_OCC| 3018f1ae32a1SGerd Hoffmann PORTSC_PRC|PORTSC_PLC|PORTSC_CEC)); 3019f1ae32a1SGerd Hoffmann if (val & PORTSC_LWS) { 3020f1ae32a1SGerd Hoffmann /* overwrite PLS only when LWS=1 */ 3021bdfce20dSGerd Hoffmann uint32_t old_pls = get_field(port->portsc, PORTSC_PLS); 3022bdfce20dSGerd Hoffmann uint32_t new_pls = get_field(val, PORTSC_PLS); 3023bdfce20dSGerd Hoffmann switch (new_pls) { 3024bdfce20dSGerd Hoffmann case PLS_U0: 3025bdfce20dSGerd Hoffmann if (old_pls != PLS_U0) { 3026bdfce20dSGerd Hoffmann set_field(&portsc, new_pls, PORTSC_PLS); 3027bdfce20dSGerd Hoffmann trace_usb_xhci_port_link(port->portnr, new_pls); 3028bdfce20dSGerd Hoffmann notify = PORTSC_PLC; 3029bdfce20dSGerd Hoffmann } 3030bdfce20dSGerd Hoffmann break; 3031bdfce20dSGerd Hoffmann case PLS_U3: 3032bdfce20dSGerd Hoffmann if (old_pls < PLS_U3) { 3033bdfce20dSGerd Hoffmann set_field(&portsc, new_pls, PORTSC_PLS); 3034bdfce20dSGerd Hoffmann trace_usb_xhci_port_link(port->portnr, new_pls); 3035bdfce20dSGerd Hoffmann } 3036bdfce20dSGerd Hoffmann break; 3037bdfce20dSGerd Hoffmann case PLS_RESUME: 3038bdfce20dSGerd Hoffmann /* windows does this for some reason, don't spam stderr */ 3039bdfce20dSGerd Hoffmann break; 3040bdfce20dSGerd Hoffmann default: 3041d6bb65fcSGerd Hoffmann DPRINTF("%s: ignore pls write (old %d, new %d)\n", 3042bdfce20dSGerd Hoffmann __func__, old_pls, new_pls); 3043bdfce20dSGerd Hoffmann break; 3044bdfce20dSGerd Hoffmann } 3045f1ae32a1SGerd Hoffmann } 3046f1ae32a1SGerd Hoffmann /* read/write bits */ 3047f1ae32a1SGerd Hoffmann portsc &= ~(PORTSC_PP|PORTSC_WCE|PORTSC_WDE|PORTSC_WOE); 3048f1ae32a1SGerd Hoffmann portsc |= (val & (PORTSC_PP|PORTSC_WCE|PORTSC_WDE|PORTSC_WOE)); 304940030130SGerd Hoffmann port->portsc = portsc; 3050bdfce20dSGerd Hoffmann if (notify) { 3051bdfce20dSGerd Hoffmann xhci_port_notify(port, notify); 3052f1ae32a1SGerd Hoffmann } 3053f1ae32a1SGerd Hoffmann break; 3054f1ae32a1SGerd Hoffmann case 0x04: /* PORTPMSC */ 3055f1ae32a1SGerd Hoffmann case 0x08: /* PORTLI */ 3056f1ae32a1SGerd Hoffmann default: 30570ab966cfSGerd Hoffmann trace_usb_xhci_unimplemented("port write", reg); 3058f1ae32a1SGerd Hoffmann } 3059f1ae32a1SGerd Hoffmann } 3060f1ae32a1SGerd Hoffmann 3061a8170e5eSAvi Kivity static uint64_t xhci_oper_read(void *ptr, hwaddr reg, unsigned size) 3062f1ae32a1SGerd Hoffmann { 30631b067564SGerd Hoffmann XHCIState *xhci = ptr; 30642d754a10SGerd Hoffmann uint32_t ret; 3065f1ae32a1SGerd Hoffmann 3066f1ae32a1SGerd Hoffmann switch (reg) { 3067f1ae32a1SGerd Hoffmann case 0x00: /* USBCMD */ 30682d754a10SGerd Hoffmann ret = xhci->usbcmd; 30692d754a10SGerd Hoffmann break; 3070f1ae32a1SGerd Hoffmann case 0x04: /* USBSTS */ 30712d754a10SGerd Hoffmann ret = xhci->usbsts; 30722d754a10SGerd Hoffmann break; 3073f1ae32a1SGerd Hoffmann case 0x08: /* PAGESIZE */ 30742d754a10SGerd Hoffmann ret = 1; /* 4KiB */ 30752d754a10SGerd Hoffmann break; 3076f1ae32a1SGerd Hoffmann case 0x14: /* DNCTRL */ 30772d754a10SGerd Hoffmann ret = xhci->dnctrl; 30782d754a10SGerd Hoffmann break; 3079f1ae32a1SGerd Hoffmann case 0x18: /* CRCR low */ 30802d754a10SGerd Hoffmann ret = xhci->crcr_low & ~0xe; 30812d754a10SGerd Hoffmann break; 3082f1ae32a1SGerd Hoffmann case 0x1c: /* CRCR high */ 30832d754a10SGerd Hoffmann ret = xhci->crcr_high; 30842d754a10SGerd Hoffmann break; 3085f1ae32a1SGerd Hoffmann case 0x30: /* DCBAAP low */ 30862d754a10SGerd Hoffmann ret = xhci->dcbaap_low; 30872d754a10SGerd Hoffmann break; 3088f1ae32a1SGerd Hoffmann case 0x34: /* DCBAAP high */ 30892d754a10SGerd Hoffmann ret = xhci->dcbaap_high; 30902d754a10SGerd Hoffmann break; 3091f1ae32a1SGerd Hoffmann case 0x38: /* CONFIG */ 30922d754a10SGerd Hoffmann ret = xhci->config; 30932d754a10SGerd Hoffmann break; 3094f1ae32a1SGerd Hoffmann default: 30950ab966cfSGerd Hoffmann trace_usb_xhci_unimplemented("oper read", reg); 30962d754a10SGerd Hoffmann ret = 0; 3097f1ae32a1SGerd Hoffmann } 30982d754a10SGerd Hoffmann 30992d754a10SGerd Hoffmann trace_usb_xhci_oper_read(reg, ret); 31002d754a10SGerd Hoffmann return ret; 3101f1ae32a1SGerd Hoffmann } 3102f1ae32a1SGerd Hoffmann 3103a8170e5eSAvi Kivity static void xhci_oper_write(void *ptr, hwaddr reg, 31041b067564SGerd Hoffmann uint64_t val, unsigned size) 3105f1ae32a1SGerd Hoffmann { 31061b067564SGerd Hoffmann XHCIState *xhci = ptr; 310737034575SPeter Crosthwaite DeviceState *d = DEVICE(ptr); 31081b067564SGerd Hoffmann 31092d754a10SGerd Hoffmann trace_usb_xhci_oper_write(reg, val); 31102d754a10SGerd Hoffmann 3111f1ae32a1SGerd Hoffmann switch (reg) { 3112f1ae32a1SGerd Hoffmann case 0x00: /* USBCMD */ 3113f1ae32a1SGerd Hoffmann if ((val & USBCMD_RS) && !(xhci->usbcmd & USBCMD_RS)) { 3114f1ae32a1SGerd Hoffmann xhci_run(xhci); 3115f1ae32a1SGerd Hoffmann } else if (!(val & USBCMD_RS) && (xhci->usbcmd & USBCMD_RS)) { 3116f1ae32a1SGerd Hoffmann xhci_stop(xhci); 3117f1ae32a1SGerd Hoffmann } 3118f1f8bc21SGerd Hoffmann if (val & USBCMD_CSS) { 3119f1f8bc21SGerd Hoffmann /* save state */ 3120f1f8bc21SGerd Hoffmann xhci->usbsts &= ~USBSTS_SRE; 3121f1f8bc21SGerd Hoffmann } 3122f1f8bc21SGerd Hoffmann if (val & USBCMD_CRS) { 3123f1f8bc21SGerd Hoffmann /* restore state */ 3124f1f8bc21SGerd Hoffmann xhci->usbsts |= USBSTS_SRE; 3125f1f8bc21SGerd Hoffmann } 3126f1ae32a1SGerd Hoffmann xhci->usbcmd = val & 0xc0f; 312701546fa6SGerd Hoffmann xhci_mfwrap_update(xhci); 3128f1ae32a1SGerd Hoffmann if (val & USBCMD_HCRST) { 312937034575SPeter Crosthwaite xhci_reset(d); 3130f1ae32a1SGerd Hoffmann } 31314c4abe7cSGerd Hoffmann xhci_intx_update(xhci); 3132f1ae32a1SGerd Hoffmann break; 3133f1ae32a1SGerd Hoffmann 3134f1ae32a1SGerd Hoffmann case 0x04: /* USBSTS */ 3135f1ae32a1SGerd Hoffmann /* these bits are write-1-to-clear */ 3136f1ae32a1SGerd Hoffmann xhci->usbsts &= ~(val & (USBSTS_HSE|USBSTS_EINT|USBSTS_PCD|USBSTS_SRE)); 31374c4abe7cSGerd Hoffmann xhci_intx_update(xhci); 3138f1ae32a1SGerd Hoffmann break; 3139f1ae32a1SGerd Hoffmann 3140f1ae32a1SGerd Hoffmann case 0x14: /* DNCTRL */ 3141f1ae32a1SGerd Hoffmann xhci->dnctrl = val & 0xffff; 3142f1ae32a1SGerd Hoffmann break; 3143f1ae32a1SGerd Hoffmann case 0x18: /* CRCR low */ 3144f1ae32a1SGerd Hoffmann xhci->crcr_low = (val & 0xffffffcf) | (xhci->crcr_low & CRCR_CRR); 3145f1ae32a1SGerd Hoffmann break; 3146f1ae32a1SGerd Hoffmann case 0x1c: /* CRCR high */ 3147f1ae32a1SGerd Hoffmann xhci->crcr_high = val; 3148f1ae32a1SGerd Hoffmann if (xhci->crcr_low & (CRCR_CA|CRCR_CS) && (xhci->crcr_low & CRCR_CRR)) { 3149f1ae32a1SGerd Hoffmann XHCIEvent event = {ER_COMMAND_COMPLETE, CC_COMMAND_RING_STOPPED}; 3150f1ae32a1SGerd Hoffmann xhci->crcr_low &= ~CRCR_CRR; 31512d1de850SGerd Hoffmann xhci_event(xhci, &event, 0); 3152f1ae32a1SGerd Hoffmann DPRINTF("xhci: command ring stopped (CRCR=%08x)\n", xhci->crcr_low); 3153f1ae32a1SGerd Hoffmann } else { 315459a70ccdSDavid Gibson dma_addr_t base = xhci_addr64(xhci->crcr_low & ~0x3f, val); 3155f1ae32a1SGerd Hoffmann xhci_ring_init(xhci, &xhci->cmd_ring, base); 3156f1ae32a1SGerd Hoffmann } 3157f1ae32a1SGerd Hoffmann xhci->crcr_low &= ~(CRCR_CA | CRCR_CS); 3158f1ae32a1SGerd Hoffmann break; 3159f1ae32a1SGerd Hoffmann case 0x30: /* DCBAAP low */ 3160f1ae32a1SGerd Hoffmann xhci->dcbaap_low = val & 0xffffffc0; 3161f1ae32a1SGerd Hoffmann break; 3162f1ae32a1SGerd Hoffmann case 0x34: /* DCBAAP high */ 3163f1ae32a1SGerd Hoffmann xhci->dcbaap_high = val; 3164f1ae32a1SGerd Hoffmann break; 3165f1ae32a1SGerd Hoffmann case 0x38: /* CONFIG */ 3166f1ae32a1SGerd Hoffmann xhci->config = val & 0xff; 3167f1ae32a1SGerd Hoffmann break; 3168f1ae32a1SGerd Hoffmann default: 31690ab966cfSGerd Hoffmann trace_usb_xhci_unimplemented("oper write", reg); 3170f1ae32a1SGerd Hoffmann } 3171f1ae32a1SGerd Hoffmann } 3172f1ae32a1SGerd Hoffmann 3173a8170e5eSAvi Kivity static uint64_t xhci_runtime_read(void *ptr, hwaddr reg, 31741b067564SGerd Hoffmann unsigned size) 3175f1ae32a1SGerd Hoffmann { 31761b067564SGerd Hoffmann XHCIState *xhci = ptr; 317743d9d604SGerd Hoffmann uint32_t ret = 0; 3178f1ae32a1SGerd Hoffmann 317943d9d604SGerd Hoffmann if (reg < 0x20) { 3180f1ae32a1SGerd Hoffmann switch (reg) { 3181f1ae32a1SGerd Hoffmann case 0x00: /* MFINDEX */ 318201546fa6SGerd Hoffmann ret = xhci_mfindex_get(xhci) & 0x3fff; 31832d754a10SGerd Hoffmann break; 3184f1ae32a1SGerd Hoffmann default: 31850ab966cfSGerd Hoffmann trace_usb_xhci_unimplemented("runtime read", reg); 318643d9d604SGerd Hoffmann break; 318743d9d604SGerd Hoffmann } 318843d9d604SGerd Hoffmann } else { 318943d9d604SGerd Hoffmann int v = (reg - 0x20) / 0x20; 319043d9d604SGerd Hoffmann XHCIInterrupter *intr = &xhci->intr[v]; 319143d9d604SGerd Hoffmann switch (reg & 0x1f) { 319243d9d604SGerd Hoffmann case 0x00: /* IMAN */ 319343d9d604SGerd Hoffmann ret = intr->iman; 319443d9d604SGerd Hoffmann break; 319543d9d604SGerd Hoffmann case 0x04: /* IMOD */ 319643d9d604SGerd Hoffmann ret = intr->imod; 319743d9d604SGerd Hoffmann break; 319843d9d604SGerd Hoffmann case 0x08: /* ERSTSZ */ 319943d9d604SGerd Hoffmann ret = intr->erstsz; 320043d9d604SGerd Hoffmann break; 320143d9d604SGerd Hoffmann case 0x10: /* ERSTBA low */ 320243d9d604SGerd Hoffmann ret = intr->erstba_low; 320343d9d604SGerd Hoffmann break; 320443d9d604SGerd Hoffmann case 0x14: /* ERSTBA high */ 320543d9d604SGerd Hoffmann ret = intr->erstba_high; 320643d9d604SGerd Hoffmann break; 320743d9d604SGerd Hoffmann case 0x18: /* ERDP low */ 320843d9d604SGerd Hoffmann ret = intr->erdp_low; 320943d9d604SGerd Hoffmann break; 321043d9d604SGerd Hoffmann case 0x1c: /* ERDP high */ 321143d9d604SGerd Hoffmann ret = intr->erdp_high; 321243d9d604SGerd Hoffmann break; 321343d9d604SGerd Hoffmann } 3214f1ae32a1SGerd Hoffmann } 32152d754a10SGerd Hoffmann 32162d754a10SGerd Hoffmann trace_usb_xhci_runtime_read(reg, ret); 32172d754a10SGerd Hoffmann return ret; 3218f1ae32a1SGerd Hoffmann } 3219f1ae32a1SGerd Hoffmann 3220a8170e5eSAvi Kivity static void xhci_runtime_write(void *ptr, hwaddr reg, 32211b067564SGerd Hoffmann uint64_t val, unsigned size) 3222f1ae32a1SGerd Hoffmann { 32231b067564SGerd Hoffmann XHCIState *xhci = ptr; 322443d9d604SGerd Hoffmann int v = (reg - 0x20) / 0x20; 322543d9d604SGerd Hoffmann XHCIInterrupter *intr = &xhci->intr[v]; 32268e9f18b6SGerd Hoffmann trace_usb_xhci_runtime_write(reg, val); 3227f1ae32a1SGerd Hoffmann 322843d9d604SGerd Hoffmann if (reg < 0x20) { 32290ab966cfSGerd Hoffmann trace_usb_xhci_unimplemented("runtime write", reg); 323043d9d604SGerd Hoffmann return; 323143d9d604SGerd Hoffmann } 323243d9d604SGerd Hoffmann 323343d9d604SGerd Hoffmann switch (reg & 0x1f) { 323443d9d604SGerd Hoffmann case 0x00: /* IMAN */ 3235f1ae32a1SGerd Hoffmann if (val & IMAN_IP) { 3236962d11e1SGerd Hoffmann intr->iman &= ~IMAN_IP; 3237f1ae32a1SGerd Hoffmann } 3238962d11e1SGerd Hoffmann intr->iman &= ~IMAN_IE; 3239962d11e1SGerd Hoffmann intr->iman |= val & IMAN_IE; 324043d9d604SGerd Hoffmann if (v == 0) { 32414c4abe7cSGerd Hoffmann xhci_intx_update(xhci); 324243d9d604SGerd Hoffmann } 324343d9d604SGerd Hoffmann xhci_msix_update(xhci, v); 3244f1ae32a1SGerd Hoffmann break; 324543d9d604SGerd Hoffmann case 0x04: /* IMOD */ 3246962d11e1SGerd Hoffmann intr->imod = val; 3247f1ae32a1SGerd Hoffmann break; 324843d9d604SGerd Hoffmann case 0x08: /* ERSTSZ */ 3249962d11e1SGerd Hoffmann intr->erstsz = val & 0xffff; 3250f1ae32a1SGerd Hoffmann break; 325143d9d604SGerd Hoffmann case 0x10: /* ERSTBA low */ 32522992d6b4SGerd Hoffmann if (xhci->nec_quirks) { 32532992d6b4SGerd Hoffmann /* NEC driver bug: it doesn't align this to 64 bytes */ 3254962d11e1SGerd Hoffmann intr->erstba_low = val & 0xfffffff0; 32552992d6b4SGerd Hoffmann } else { 32562992d6b4SGerd Hoffmann intr->erstba_low = val & 0xffffffc0; 32572992d6b4SGerd Hoffmann } 3258f1ae32a1SGerd Hoffmann break; 325943d9d604SGerd Hoffmann case 0x14: /* ERSTBA high */ 3260962d11e1SGerd Hoffmann intr->erstba_high = val; 326143d9d604SGerd Hoffmann xhci_er_reset(xhci, v); 3262f1ae32a1SGerd Hoffmann break; 326343d9d604SGerd Hoffmann case 0x18: /* ERDP low */ 3264f1ae32a1SGerd Hoffmann if (val & ERDP_EHB) { 3265962d11e1SGerd Hoffmann intr->erdp_low &= ~ERDP_EHB; 3266f1ae32a1SGerd Hoffmann } 3267962d11e1SGerd Hoffmann intr->erdp_low = (val & ~ERDP_EHB) | (intr->erdp_low & ERDP_EHB); 32687da76e12SGerd Hoffmann if (val & ERDP_EHB) { 32697da76e12SGerd Hoffmann dma_addr_t erdp = xhci_addr64(intr->erdp_low, intr->erdp_high); 32707da76e12SGerd Hoffmann unsigned int dp_idx = (erdp - intr->er_start) / TRB_SIZE; 32717da76e12SGerd Hoffmann if (erdp >= intr->er_start && 32727da76e12SGerd Hoffmann erdp < (intr->er_start + TRB_SIZE * intr->er_size) && 32737da76e12SGerd Hoffmann dp_idx != intr->er_ep_idx) { 32747da76e12SGerd Hoffmann xhci_intr_raise(xhci, v); 32757da76e12SGerd Hoffmann } 32767da76e12SGerd Hoffmann } 3277f1ae32a1SGerd Hoffmann break; 327843d9d604SGerd Hoffmann case 0x1c: /* ERDP high */ 3279962d11e1SGerd Hoffmann intr->erdp_high = val; 3280f1ae32a1SGerd Hoffmann break; 3281f1ae32a1SGerd Hoffmann default: 32820ab966cfSGerd Hoffmann trace_usb_xhci_unimplemented("oper write", reg); 3283f1ae32a1SGerd Hoffmann } 3284f1ae32a1SGerd Hoffmann } 3285f1ae32a1SGerd Hoffmann 3286a8170e5eSAvi Kivity static uint64_t xhci_doorbell_read(void *ptr, hwaddr reg, 32871b067564SGerd Hoffmann unsigned size) 3288f1ae32a1SGerd Hoffmann { 3289f1ae32a1SGerd Hoffmann /* doorbells always read as 0 */ 32902d754a10SGerd Hoffmann trace_usb_xhci_doorbell_read(reg, 0); 3291f1ae32a1SGerd Hoffmann return 0; 3292f1ae32a1SGerd Hoffmann } 3293f1ae32a1SGerd Hoffmann 3294a8170e5eSAvi Kivity static void xhci_doorbell_write(void *ptr, hwaddr reg, 32951b067564SGerd Hoffmann uint64_t val, unsigned size) 3296f1ae32a1SGerd Hoffmann { 32971b067564SGerd Hoffmann XHCIState *xhci = ptr; 3298024426acSGerd Hoffmann unsigned int epid, streamid; 32991b067564SGerd Hoffmann 33002d754a10SGerd Hoffmann trace_usb_xhci_doorbell_write(reg, val); 3301f1ae32a1SGerd Hoffmann 3302f1ae32a1SGerd Hoffmann if (!xhci_running(xhci)) { 3303d6bb65fcSGerd Hoffmann DPRINTF("xhci: wrote doorbell while xHC stopped or paused\n"); 3304f1ae32a1SGerd Hoffmann return; 3305f1ae32a1SGerd Hoffmann } 3306f1ae32a1SGerd Hoffmann 3307f1ae32a1SGerd Hoffmann reg >>= 2; 3308f1ae32a1SGerd Hoffmann 3309f1ae32a1SGerd Hoffmann if (reg == 0) { 3310f1ae32a1SGerd Hoffmann if (val == 0) { 3311f1ae32a1SGerd Hoffmann xhci_process_commands(xhci); 3312f1ae32a1SGerd Hoffmann } else { 3313d6bb65fcSGerd Hoffmann DPRINTF("xhci: bad doorbell 0 write: 0x%x\n", 33141b067564SGerd Hoffmann (uint32_t)val); 3315f1ae32a1SGerd Hoffmann } 3316f1ae32a1SGerd Hoffmann } else { 3317024426acSGerd Hoffmann epid = val & 0xff; 3318024426acSGerd Hoffmann streamid = (val >> 16) & 0xffff; 331991062ae0SGerd Hoffmann if (reg > xhci->numslots) { 3320d6bb65fcSGerd Hoffmann DPRINTF("xhci: bad doorbell %d\n", (int)reg); 3321024426acSGerd Hoffmann } else if (epid > 31) { 3322d6bb65fcSGerd Hoffmann DPRINTF("xhci: bad doorbell %d write: 0x%x\n", 33231b067564SGerd Hoffmann (int)reg, (uint32_t)val); 3324f1ae32a1SGerd Hoffmann } else { 3325024426acSGerd Hoffmann xhci_kick_ep(xhci, reg, epid, streamid); 3326f1ae32a1SGerd Hoffmann } 3327f1ae32a1SGerd Hoffmann } 3328f1ae32a1SGerd Hoffmann } 3329f1ae32a1SGerd Hoffmann 33306d3bc22eSGerd Hoffmann static void xhci_cap_write(void *opaque, hwaddr addr, uint64_t val, 33316d3bc22eSGerd Hoffmann unsigned width) 33326d3bc22eSGerd Hoffmann { 33336d3bc22eSGerd Hoffmann /* nothing */ 33346d3bc22eSGerd Hoffmann } 33356d3bc22eSGerd Hoffmann 33361b067564SGerd Hoffmann static const MemoryRegionOps xhci_cap_ops = { 33371b067564SGerd Hoffmann .read = xhci_cap_read, 33386d3bc22eSGerd Hoffmann .write = xhci_cap_write, 33396ee021d4SGerd Hoffmann .valid.min_access_size = 1, 33401b067564SGerd Hoffmann .valid.max_access_size = 4, 33416ee021d4SGerd Hoffmann .impl.min_access_size = 4, 33426ee021d4SGerd Hoffmann .impl.max_access_size = 4, 33431b067564SGerd Hoffmann .endianness = DEVICE_LITTLE_ENDIAN, 33441b067564SGerd Hoffmann }; 3345f1ae32a1SGerd Hoffmann 33461b067564SGerd Hoffmann static const MemoryRegionOps xhci_oper_ops = { 33471b067564SGerd Hoffmann .read = xhci_oper_read, 33481b067564SGerd Hoffmann .write = xhci_oper_write, 33491b067564SGerd Hoffmann .valid.min_access_size = 4, 33501b067564SGerd Hoffmann .valid.max_access_size = 4, 33511b067564SGerd Hoffmann .endianness = DEVICE_LITTLE_ENDIAN, 33521b067564SGerd Hoffmann }; 3353f1ae32a1SGerd Hoffmann 33541d8a4e69SGerd Hoffmann static const MemoryRegionOps xhci_port_ops = { 33551d8a4e69SGerd Hoffmann .read = xhci_port_read, 33561d8a4e69SGerd Hoffmann .write = xhci_port_write, 33571d8a4e69SGerd Hoffmann .valid.min_access_size = 4, 33581d8a4e69SGerd Hoffmann .valid.max_access_size = 4, 33591d8a4e69SGerd Hoffmann .endianness = DEVICE_LITTLE_ENDIAN, 33601d8a4e69SGerd Hoffmann }; 33611d8a4e69SGerd Hoffmann 33621b067564SGerd Hoffmann static const MemoryRegionOps xhci_runtime_ops = { 33631b067564SGerd Hoffmann .read = xhci_runtime_read, 33641b067564SGerd Hoffmann .write = xhci_runtime_write, 33651b067564SGerd Hoffmann .valid.min_access_size = 4, 33661b067564SGerd Hoffmann .valid.max_access_size = 4, 33671b067564SGerd Hoffmann .endianness = DEVICE_LITTLE_ENDIAN, 33681b067564SGerd Hoffmann }; 3369f1ae32a1SGerd Hoffmann 33701b067564SGerd Hoffmann static const MemoryRegionOps xhci_doorbell_ops = { 33711b067564SGerd Hoffmann .read = xhci_doorbell_read, 33721b067564SGerd Hoffmann .write = xhci_doorbell_write, 3373f1ae32a1SGerd Hoffmann .valid.min_access_size = 4, 3374f1ae32a1SGerd Hoffmann .valid.max_access_size = 4, 3375f1ae32a1SGerd Hoffmann .endianness = DEVICE_LITTLE_ENDIAN, 3376f1ae32a1SGerd Hoffmann }; 3377f1ae32a1SGerd Hoffmann 3378f1ae32a1SGerd Hoffmann static void xhci_attach(USBPort *usbport) 3379f1ae32a1SGerd Hoffmann { 3380f1ae32a1SGerd Hoffmann XHCIState *xhci = usbport->opaque; 33810846e635SGerd Hoffmann XHCIPort *port = xhci_lookup_port(xhci, usbport); 3382f1ae32a1SGerd Hoffmann 3383f3214027SGerd Hoffmann xhci_port_update(port, 0); 3384f1ae32a1SGerd Hoffmann } 3385f1ae32a1SGerd Hoffmann 3386f1ae32a1SGerd Hoffmann static void xhci_detach(USBPort *usbport) 3387f1ae32a1SGerd Hoffmann { 3388f1ae32a1SGerd Hoffmann XHCIState *xhci = usbport->opaque; 33890846e635SGerd Hoffmann XHCIPort *port = xhci_lookup_port(xhci, usbport); 3390f1ae32a1SGerd Hoffmann 3391f3dcf638SGerd Hoffmann xhci_detach_slot(xhci, usbport); 3392f3214027SGerd Hoffmann xhci_port_update(port, 1); 3393f1ae32a1SGerd Hoffmann } 3394f1ae32a1SGerd Hoffmann 3395f1ae32a1SGerd Hoffmann static void xhci_wakeup(USBPort *usbport) 3396f1ae32a1SGerd Hoffmann { 3397f1ae32a1SGerd Hoffmann XHCIState *xhci = usbport->opaque; 33980846e635SGerd Hoffmann XHCIPort *port = xhci_lookup_port(xhci, usbport); 3399f1ae32a1SGerd Hoffmann 340085e05d82SGerd Hoffmann if (get_field(port->portsc, PORTSC_PLS) != PLS_U3) { 3401f1ae32a1SGerd Hoffmann return; 3402f1ae32a1SGerd Hoffmann } 340385e05d82SGerd Hoffmann set_field(&port->portsc, PLS_RESUME, PORTSC_PLS); 3404f705a362SGerd Hoffmann xhci_port_notify(port, PORTSC_PLC); 3405f1ae32a1SGerd Hoffmann } 3406f1ae32a1SGerd Hoffmann 3407f1ae32a1SGerd Hoffmann static void xhci_complete(USBPort *port, USBPacket *packet) 3408f1ae32a1SGerd Hoffmann { 3409f1ae32a1SGerd Hoffmann XHCITransfer *xfer = container_of(packet, XHCITransfer, packet); 3410f1ae32a1SGerd Hoffmann 34119a77a0f5SHans de Goede if (packet->status == USB_RET_REMOVE_FROM_QUEUE) { 3412582d6f4aSHans de Goede xhci_ep_nuke_one_xfer(xfer, 0); 34130cae7b1aSHans de Goede return; 34140cae7b1aSHans de Goede } 341513e8ff7aSGerd Hoffmann xhci_try_complete_packet(xfer); 34163a533ee8SGerd Hoffmann xhci_kick_epctx(xfer->epctx, xfer->streamid); 341794b037f2SGerd Hoffmann if (xfer->complete) { 341894b037f2SGerd Hoffmann xhci_ep_free_xfer(xfer); 341994b037f2SGerd Hoffmann } 3420f1ae32a1SGerd Hoffmann } 3421f1ae32a1SGerd Hoffmann 3422ccaf87a0SGerd Hoffmann static void xhci_child_detach(USBPort *uport, USBDevice *child) 3423f1ae32a1SGerd Hoffmann { 3424ccaf87a0SGerd Hoffmann USBBus *bus = usb_bus_from_device(child); 3425ccaf87a0SGerd Hoffmann XHCIState *xhci = container_of(bus, XHCIState, bus); 3426ccaf87a0SGerd Hoffmann 3427463c534dSGerd Hoffmann xhci_detach_slot(xhci, child->port); 3428f1ae32a1SGerd Hoffmann } 3429f1ae32a1SGerd Hoffmann 34301d8a4e69SGerd Hoffmann static USBPortOps xhci_uport_ops = { 3431f1ae32a1SGerd Hoffmann .attach = xhci_attach, 3432f1ae32a1SGerd Hoffmann .detach = xhci_detach, 3433f1ae32a1SGerd Hoffmann .wakeup = xhci_wakeup, 3434f1ae32a1SGerd Hoffmann .complete = xhci_complete, 3435f1ae32a1SGerd Hoffmann .child_detach = xhci_child_detach, 3436f1ae32a1SGerd Hoffmann }; 3437f1ae32a1SGerd Hoffmann 3438f1ae32a1SGerd Hoffmann static int xhci_find_epid(USBEndpoint *ep) 3439f1ae32a1SGerd Hoffmann { 3440f1ae32a1SGerd Hoffmann if (ep->nr == 0) { 3441f1ae32a1SGerd Hoffmann return 1; 3442f1ae32a1SGerd Hoffmann } 3443f1ae32a1SGerd Hoffmann if (ep->pid == USB_TOKEN_IN) { 3444f1ae32a1SGerd Hoffmann return ep->nr * 2 + 1; 3445f1ae32a1SGerd Hoffmann } else { 3446f1ae32a1SGerd Hoffmann return ep->nr * 2; 3447f1ae32a1SGerd Hoffmann } 3448f1ae32a1SGerd Hoffmann } 3449f1ae32a1SGerd Hoffmann 3450070eeef9SGerd Hoffmann static USBEndpoint *xhci_epid_to_usbep(XHCIEPContext *epctx) 3451518ad5f2SHans de Goede { 3452070eeef9SGerd Hoffmann USBPort *uport; 3453070eeef9SGerd Hoffmann uint32_t token; 3454518ad5f2SHans de Goede 3455070eeef9SGerd Hoffmann if (!epctx) { 3456518ad5f2SHans de Goede return NULL; 3457518ad5f2SHans de Goede } 3458070eeef9SGerd Hoffmann uport = epctx->xhci->slots[epctx->slotid - 1].uport; 3459070eeef9SGerd Hoffmann token = (epctx->epid & 1) ? USB_TOKEN_IN : USB_TOKEN_OUT; 3460070eeef9SGerd Hoffmann if (!uport) { 3461070eeef9SGerd Hoffmann return NULL; 3462070eeef9SGerd Hoffmann } 3463070eeef9SGerd Hoffmann return usb_ep_get(uport->dev, token, epctx->epid >> 1); 3464518ad5f2SHans de Goede } 3465518ad5f2SHans de Goede 34668550a02dSGerd Hoffmann static void xhci_wakeup_endpoint(USBBus *bus, USBEndpoint *ep, 34678550a02dSGerd Hoffmann unsigned int stream) 3468f1ae32a1SGerd Hoffmann { 3469f1ae32a1SGerd Hoffmann XHCIState *xhci = container_of(bus, XHCIState, bus); 3470f1ae32a1SGerd Hoffmann int slotid; 3471f1ae32a1SGerd Hoffmann 3472f1ae32a1SGerd Hoffmann DPRINTF("%s\n", __func__); 3473af203be3SGerd Hoffmann slotid = ep->dev->addr; 3474f1ae32a1SGerd Hoffmann if (slotid == 0 || !xhci->slots[slotid-1].enabled) { 3475f1ae32a1SGerd Hoffmann DPRINTF("%s: oops, no slot for dev %d\n", __func__, ep->dev->addr); 3476f1ae32a1SGerd Hoffmann return; 3477f1ae32a1SGerd Hoffmann } 3478024426acSGerd Hoffmann xhci_kick_ep(xhci, slotid, xhci_find_epid(ep), stream); 3479f1ae32a1SGerd Hoffmann } 3480f1ae32a1SGerd Hoffmann 3481f1ae32a1SGerd Hoffmann static USBBusOps xhci_bus_ops = { 3482f1ae32a1SGerd Hoffmann .wakeup_endpoint = xhci_wakeup_endpoint, 3483f1ae32a1SGerd Hoffmann }; 3484f1ae32a1SGerd Hoffmann 348537034575SPeter Crosthwaite static void usb_xhci_init(XHCIState *xhci) 3486f1ae32a1SGerd Hoffmann { 348737034575SPeter Crosthwaite DeviceState *dev = DEVICE(xhci); 34880846e635SGerd Hoffmann XHCIPort *port; 34890846e635SGerd Hoffmann int i, usbports, speedmask; 3490f1ae32a1SGerd Hoffmann 3491f1ae32a1SGerd Hoffmann xhci->usbsts = USBSTS_HCH; 3492f1ae32a1SGerd Hoffmann 34930846e635SGerd Hoffmann if (xhci->numports_2 > MAXPORTS_2) { 34940846e635SGerd Hoffmann xhci->numports_2 = MAXPORTS_2; 34950846e635SGerd Hoffmann } 34960846e635SGerd Hoffmann if (xhci->numports_3 > MAXPORTS_3) { 34970846e635SGerd Hoffmann xhci->numports_3 = MAXPORTS_3; 34980846e635SGerd Hoffmann } 34990846e635SGerd Hoffmann usbports = MAX(xhci->numports_2, xhci->numports_3); 35000846e635SGerd Hoffmann xhci->numports = xhci->numports_2 + xhci->numports_3; 35010846e635SGerd Hoffmann 3502c889b3a5SAndreas Färber usb_bus_new(&xhci->bus, sizeof(xhci->bus), &xhci_bus_ops, dev); 3503f1ae32a1SGerd Hoffmann 35040846e635SGerd Hoffmann for (i = 0; i < usbports; i++) { 35050846e635SGerd Hoffmann speedmask = 0; 35060846e635SGerd Hoffmann if (i < xhci->numports_2) { 35077bafd888SGerd Hoffmann if (xhci_get_flag(xhci, XHCI_FLAG_SS_FIRST)) { 35087bafd888SGerd Hoffmann port = &xhci->ports[i + xhci->numports_3]; 35097bafd888SGerd Hoffmann port->portnr = i + 1 + xhci->numports_3; 35107bafd888SGerd Hoffmann } else { 35110846e635SGerd Hoffmann port = &xhci->ports[i]; 35120846e635SGerd Hoffmann port->portnr = i + 1; 35137bafd888SGerd Hoffmann } 35140846e635SGerd Hoffmann port->uport = &xhci->uports[i]; 35150846e635SGerd Hoffmann port->speedmask = 3516f1ae32a1SGerd Hoffmann USB_SPEED_MASK_LOW | 3517f1ae32a1SGerd Hoffmann USB_SPEED_MASK_FULL | 35180846e635SGerd Hoffmann USB_SPEED_MASK_HIGH; 35191d8a4e69SGerd Hoffmann snprintf(port->name, sizeof(port->name), "usb2 port #%d", i+1); 35200846e635SGerd Hoffmann speedmask |= port->speedmask; 3521f1ae32a1SGerd Hoffmann } 35220846e635SGerd Hoffmann if (i < xhci->numports_3) { 35237bafd888SGerd Hoffmann if (xhci_get_flag(xhci, XHCI_FLAG_SS_FIRST)) { 35247bafd888SGerd Hoffmann port = &xhci->ports[i]; 35257bafd888SGerd Hoffmann port->portnr = i + 1; 35267bafd888SGerd Hoffmann } else { 35270846e635SGerd Hoffmann port = &xhci->ports[i + xhci->numports_2]; 35280846e635SGerd Hoffmann port->portnr = i + 1 + xhci->numports_2; 35297bafd888SGerd Hoffmann } 35300846e635SGerd Hoffmann port->uport = &xhci->uports[i]; 35310846e635SGerd Hoffmann port->speedmask = USB_SPEED_MASK_SUPER; 35321d8a4e69SGerd Hoffmann snprintf(port->name, sizeof(port->name), "usb3 port #%d", i+1); 35330846e635SGerd Hoffmann speedmask |= port->speedmask; 35340846e635SGerd Hoffmann } 35350846e635SGerd Hoffmann usb_register_port(&xhci->bus, &xhci->uports[i], xhci, i, 35361d8a4e69SGerd Hoffmann &xhci_uport_ops, speedmask); 3537f1ae32a1SGerd Hoffmann } 3538f1ae32a1SGerd Hoffmann } 3539f1ae32a1SGerd Hoffmann 35409af21dbeSMarkus Armbruster static void usb_xhci_realize(struct PCIDevice *dev, Error **errp) 3541f1ae32a1SGerd Hoffmann { 35421d8a4e69SGerd Hoffmann int i, ret; 35431108b2f8SCao jin Error *err = NULL; 3544f1ae32a1SGerd Hoffmann 354537034575SPeter Crosthwaite XHCIState *xhci = XHCI(dev); 3546f1ae32a1SGerd Hoffmann 35479b7d3334SAndreas Färber dev->config[PCI_CLASS_PROG] = 0x30; /* xHCI */ 35489b7d3334SAndreas Färber dev->config[PCI_INTERRUPT_PIN] = 0x01; /* interrupt pin 1 */ 35499b7d3334SAndreas Färber dev->config[PCI_CACHE_LINE_SIZE] = 0x10; 35509b7d3334SAndreas Färber dev->config[0x60] = 0x30; /* release number */ 3551f1ae32a1SGerd Hoffmann 35522992d6b4SGerd Hoffmann if (strcmp(object_get_typename(OBJECT(dev)), TYPE_NEC_XHCI) == 0) { 35532992d6b4SGerd Hoffmann xhci->nec_quirks = true; 35542992d6b4SGerd Hoffmann } 355591062ae0SGerd Hoffmann if (xhci->numintrs > MAXINTRS) { 355691062ae0SGerd Hoffmann xhci->numintrs = MAXINTRS; 355791062ae0SGerd Hoffmann } 3558c94a7c69SGerd Hoffmann while (xhci->numintrs & (xhci->numintrs - 1)) { /* ! power of 2 */ 3559c94a7c69SGerd Hoffmann xhci->numintrs++; 3560c94a7c69SGerd Hoffmann } 356191062ae0SGerd Hoffmann if (xhci->numintrs < 1) { 356291062ae0SGerd Hoffmann xhci->numintrs = 1; 356391062ae0SGerd Hoffmann } 356491062ae0SGerd Hoffmann if (xhci->numslots > MAXSLOTS) { 356591062ae0SGerd Hoffmann xhci->numslots = MAXSLOTS; 356691062ae0SGerd Hoffmann } 356791062ae0SGerd Hoffmann if (xhci->numslots < 1) { 356891062ae0SGerd Hoffmann xhci->numslots = 1; 356991062ae0SGerd Hoffmann } 35702aa6bfcbSGerd Hoffmann if (xhci_get_flag(xhci, XHCI_FLAG_ENABLE_STREAMS)) { 35712aa6bfcbSGerd Hoffmann xhci->max_pstreams_mask = 7; /* == 256 primary streams */ 35722aa6bfcbSGerd Hoffmann } else { 35732aa6bfcbSGerd Hoffmann xhci->max_pstreams_mask = 0; 35742aa6bfcbSGerd Hoffmann } 357591062ae0SGerd Hoffmann 357620729dbdSCao jin if (xhci->msi != ON_OFF_AUTO_OFF) { 357720729dbdSCao jin ret = msi_init(dev, 0x70, xhci->numintrs, true, false, &err); 357820729dbdSCao jin /* Any error other than -ENOTSUP(board's MSI support is broken) 357920729dbdSCao jin * is a programming error */ 358020729dbdSCao jin assert(!ret || ret == -ENOTSUP); 358120729dbdSCao jin if (ret && xhci->msi == ON_OFF_AUTO_ON) { 358220729dbdSCao jin /* Can't satisfy user's explicit msi=on request, fail */ 358320729dbdSCao jin error_append_hint(&err, "You have to use msi=auto (default) or " 358420729dbdSCao jin "msi=off with this machine type.\n"); 358520729dbdSCao jin error_propagate(errp, err); 358620729dbdSCao jin return; 358720729dbdSCao jin } 358820729dbdSCao jin assert(!err || xhci->msi == ON_OFF_AUTO_AUTO); 358920729dbdSCao jin /* With msi=auto, we fall back to MSI off silently */ 359020729dbdSCao jin error_free(err); 359120729dbdSCao jin } 359220729dbdSCao jin 359320729dbdSCao jin usb_xhci_init(xhci); 3594bc72ad67SAlex Bligh xhci->mfwrap_timer = timer_new_ns(QEMU_CLOCK_VIRTUAL, xhci_mfwrap_timer, xhci); 359501546fa6SGerd Hoffmann 359622fc860bSPaolo Bonzini memory_region_init(&xhci->mem, OBJECT(xhci), "xhci", LEN_REGS); 359722fc860bSPaolo Bonzini memory_region_init_io(&xhci->mem_cap, OBJECT(xhci), &xhci_cap_ops, xhci, 35981b067564SGerd Hoffmann "capabilities", LEN_CAP); 359922fc860bSPaolo Bonzini memory_region_init_io(&xhci->mem_oper, OBJECT(xhci), &xhci_oper_ops, xhci, 36001d8a4e69SGerd Hoffmann "operational", 0x400); 360122fc860bSPaolo Bonzini memory_region_init_io(&xhci->mem_runtime, OBJECT(xhci), &xhci_runtime_ops, xhci, 36021b067564SGerd Hoffmann "runtime", LEN_RUNTIME); 360322fc860bSPaolo Bonzini memory_region_init_io(&xhci->mem_doorbell, OBJECT(xhci), &xhci_doorbell_ops, xhci, 36041b067564SGerd Hoffmann "doorbell", LEN_DOORBELL); 36051b067564SGerd Hoffmann 36061b067564SGerd Hoffmann memory_region_add_subregion(&xhci->mem, 0, &xhci->mem_cap); 36071b067564SGerd Hoffmann memory_region_add_subregion(&xhci->mem, OFF_OPER, &xhci->mem_oper); 36081b067564SGerd Hoffmann memory_region_add_subregion(&xhci->mem, OFF_RUNTIME, &xhci->mem_runtime); 36091b067564SGerd Hoffmann memory_region_add_subregion(&xhci->mem, OFF_DOORBELL, &xhci->mem_doorbell); 36101b067564SGerd Hoffmann 36111d8a4e69SGerd Hoffmann for (i = 0; i < xhci->numports; i++) { 36121d8a4e69SGerd Hoffmann XHCIPort *port = &xhci->ports[i]; 36131d8a4e69SGerd Hoffmann uint32_t offset = OFF_OPER + 0x400 + 0x10 * i; 36141d8a4e69SGerd Hoffmann port->xhci = xhci; 361522fc860bSPaolo Bonzini memory_region_init_io(&port->mem, OBJECT(xhci), &xhci_port_ops, port, 36161d8a4e69SGerd Hoffmann port->name, 0x10); 36171d8a4e69SGerd Hoffmann memory_region_add_subregion(&xhci->mem, offset, &port->mem); 36181d8a4e69SGerd Hoffmann } 36191d8a4e69SGerd Hoffmann 36209b7d3334SAndreas Färber pci_register_bar(dev, 0, 3621f1ae32a1SGerd Hoffmann PCI_BASE_ADDRESS_SPACE_MEMORY|PCI_BASE_ADDRESS_MEM_TYPE_64, 3622f1ae32a1SGerd Hoffmann &xhci->mem); 3623f1ae32a1SGerd Hoffmann 3624e6043e92SDr. David Alan Gilbert if (pci_bus_is_express(dev->bus) || 3625e6043e92SDr. David Alan Gilbert xhci_get_flag(xhci, XHCI_FLAG_FORCE_PCIE_ENDCAP)) { 36269b7d3334SAndreas Färber ret = pcie_endpoint_cap_init(dev, 0xa0); 3627f1ae32a1SGerd Hoffmann assert(ret >= 0); 3628058fdcf5SGerd Hoffmann } 3629f1ae32a1SGerd Hoffmann 3630290fd20dSCao jin if (xhci->msix != ON_OFF_AUTO_OFF) { 3631ee640c62SCao jin /* TODO check for errors, and should fail when msix=on */ 36329b7d3334SAndreas Färber msix_init(dev, xhci->numintrs, 36334c47f800SGerd Hoffmann &xhci->mem, 0, OFF_MSIX_TABLE, 36344c47f800SGerd Hoffmann &xhci->mem, 0, OFF_MSIX_PBA, 3635ee640c62SCao jin 0x90, NULL); 36364c47f800SGerd Hoffmann } 3637f1ae32a1SGerd Hoffmann } 3638f1ae32a1SGerd Hoffmann 363953c30545SGonglei static void usb_xhci_exit(PCIDevice *dev) 364053c30545SGonglei { 364153c30545SGonglei int i; 364253c30545SGonglei XHCIState *xhci = XHCI(dev); 364353c30545SGonglei 3644d733f74cSGonglei trace_usb_xhci_exit(); 3645d733f74cSGonglei 364653c30545SGonglei for (i = 0; i < xhci->numslots; i++) { 364753c30545SGonglei xhci_disable_slot(xhci, i + 1); 364853c30545SGonglei } 364953c30545SGonglei 365053c30545SGonglei if (xhci->mfwrap_timer) { 365153c30545SGonglei timer_del(xhci->mfwrap_timer); 365253c30545SGonglei timer_free(xhci->mfwrap_timer); 365353c30545SGonglei xhci->mfwrap_timer = NULL; 365453c30545SGonglei } 365553c30545SGonglei 365653c30545SGonglei memory_region_del_subregion(&xhci->mem, &xhci->mem_cap); 365753c30545SGonglei memory_region_del_subregion(&xhci->mem, &xhci->mem_oper); 365853c30545SGonglei memory_region_del_subregion(&xhci->mem, &xhci->mem_runtime); 365953c30545SGonglei memory_region_del_subregion(&xhci->mem, &xhci->mem_doorbell); 366053c30545SGonglei 366153c30545SGonglei for (i = 0; i < xhci->numports; i++) { 366253c30545SGonglei XHCIPort *port = &xhci->ports[i]; 366353c30545SGonglei memory_region_del_subregion(&xhci->mem, &port->mem); 366453c30545SGonglei } 366553c30545SGonglei 366653c30545SGonglei /* destroy msix memory region */ 366753c30545SGonglei if (dev->msix_table && dev->msix_pba 366853c30545SGonglei && dev->msix_entry_used) { 3669b53dd449SLi Qiang msix_uninit(dev, &xhci->mem, &xhci->mem); 367053c30545SGonglei } 367153c30545SGonglei 367253c30545SGonglei usb_bus_release(&xhci->bus); 367353c30545SGonglei } 367453c30545SGonglei 367537352df3SGerd Hoffmann static int usb_xhci_post_load(void *opaque, int version_id) 367637352df3SGerd Hoffmann { 367737352df3SGerd Hoffmann XHCIState *xhci = opaque; 36789b7d3334SAndreas Färber PCIDevice *pci_dev = PCI_DEVICE(xhci); 367937352df3SGerd Hoffmann XHCISlot *slot; 368037352df3SGerd Hoffmann XHCIEPContext *epctx; 368137352df3SGerd Hoffmann dma_addr_t dcbaap, pctx; 368237352df3SGerd Hoffmann uint32_t slot_ctx[4]; 368337352df3SGerd Hoffmann uint32_t ep_ctx[5]; 368437352df3SGerd Hoffmann int slotid, epid, state, intr; 368537352df3SGerd Hoffmann 368637352df3SGerd Hoffmann dcbaap = xhci_addr64(xhci->dcbaap_low, xhci->dcbaap_high); 368737352df3SGerd Hoffmann 368837352df3SGerd Hoffmann for (slotid = 1; slotid <= xhci->numslots; slotid++) { 368937352df3SGerd Hoffmann slot = &xhci->slots[slotid-1]; 369037352df3SGerd Hoffmann if (!slot->addressed) { 369137352df3SGerd Hoffmann continue; 369237352df3SGerd Hoffmann } 369337352df3SGerd Hoffmann slot->ctx = 36949b7d3334SAndreas Färber xhci_mask64(ldq_le_pci_dma(pci_dev, dcbaap + 8 * slotid)); 369537352df3SGerd Hoffmann xhci_dma_read_u32s(xhci, slot->ctx, slot_ctx, sizeof(slot_ctx)); 369637352df3SGerd Hoffmann slot->uport = xhci_lookup_uport(xhci, slot_ctx); 3697f2ad97ffSGerd Hoffmann if (!slot->uport) { 3698f2ad97ffSGerd Hoffmann /* should not happen, but may trigger on guest bugs */ 3699f2ad97ffSGerd Hoffmann slot->enabled = 0; 3700f2ad97ffSGerd Hoffmann slot->addressed = 0; 3701f2ad97ffSGerd Hoffmann continue; 3702f2ad97ffSGerd Hoffmann } 370337352df3SGerd Hoffmann assert(slot->uport && slot->uport->dev); 370437352df3SGerd Hoffmann 3705f6969b9fSGerd Hoffmann for (epid = 1; epid <= 31; epid++) { 370637352df3SGerd Hoffmann pctx = slot->ctx + 32 * epid; 370737352df3SGerd Hoffmann xhci_dma_read_u32s(xhci, pctx, ep_ctx, sizeof(ep_ctx)); 370837352df3SGerd Hoffmann state = ep_ctx[0] & EP_STATE_MASK; 370937352df3SGerd Hoffmann if (state == EP_DISABLED) { 371037352df3SGerd Hoffmann continue; 371137352df3SGerd Hoffmann } 371237352df3SGerd Hoffmann epctx = xhci_alloc_epctx(xhci, slotid, epid); 371337352df3SGerd Hoffmann slot->eps[epid-1] = epctx; 371437352df3SGerd Hoffmann xhci_init_epctx(epctx, pctx, ep_ctx); 371537352df3SGerd Hoffmann epctx->state = state; 371637352df3SGerd Hoffmann if (state == EP_RUNNING) { 371737352df3SGerd Hoffmann /* kick endpoint after vmload is finished */ 3718bc72ad67SAlex Bligh timer_mod(epctx->kick_timer, qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL)); 371937352df3SGerd Hoffmann } 372037352df3SGerd Hoffmann } 372137352df3SGerd Hoffmann } 372237352df3SGerd Hoffmann 372337352df3SGerd Hoffmann for (intr = 0; intr < xhci->numintrs; intr++) { 372437352df3SGerd Hoffmann if (xhci->intr[intr].msix_used) { 37259b7d3334SAndreas Färber msix_vector_use(pci_dev, intr); 372637352df3SGerd Hoffmann } else { 37279b7d3334SAndreas Färber msix_vector_unuse(pci_dev, intr); 372837352df3SGerd Hoffmann } 372937352df3SGerd Hoffmann } 373037352df3SGerd Hoffmann 373137352df3SGerd Hoffmann return 0; 373237352df3SGerd Hoffmann } 373337352df3SGerd Hoffmann 373437352df3SGerd Hoffmann static const VMStateDescription vmstate_xhci_ring = { 373537352df3SGerd Hoffmann .name = "xhci-ring", 373637352df3SGerd Hoffmann .version_id = 1, 373737352df3SGerd Hoffmann .fields = (VMStateField[]) { 373837352df3SGerd Hoffmann VMSTATE_UINT64(dequeue, XHCIRing), 373937352df3SGerd Hoffmann VMSTATE_BOOL(ccs, XHCIRing), 374037352df3SGerd Hoffmann VMSTATE_END_OF_LIST() 374137352df3SGerd Hoffmann } 374237352df3SGerd Hoffmann }; 374337352df3SGerd Hoffmann 374437352df3SGerd Hoffmann static const VMStateDescription vmstate_xhci_port = { 374537352df3SGerd Hoffmann .name = "xhci-port", 374637352df3SGerd Hoffmann .version_id = 1, 374737352df3SGerd Hoffmann .fields = (VMStateField[]) { 374837352df3SGerd Hoffmann VMSTATE_UINT32(portsc, XHCIPort), 374937352df3SGerd Hoffmann VMSTATE_END_OF_LIST() 375037352df3SGerd Hoffmann } 375137352df3SGerd Hoffmann }; 375237352df3SGerd Hoffmann 375337352df3SGerd Hoffmann static const VMStateDescription vmstate_xhci_slot = { 375437352df3SGerd Hoffmann .name = "xhci-slot", 375537352df3SGerd Hoffmann .version_id = 1, 375637352df3SGerd Hoffmann .fields = (VMStateField[]) { 375737352df3SGerd Hoffmann VMSTATE_BOOL(enabled, XHCISlot), 375837352df3SGerd Hoffmann VMSTATE_BOOL(addressed, XHCISlot), 375937352df3SGerd Hoffmann VMSTATE_END_OF_LIST() 376037352df3SGerd Hoffmann } 376137352df3SGerd Hoffmann }; 376237352df3SGerd Hoffmann 376337352df3SGerd Hoffmann static const VMStateDescription vmstate_xhci_event = { 376437352df3SGerd Hoffmann .name = "xhci-event", 376537352df3SGerd Hoffmann .version_id = 1, 376637352df3SGerd Hoffmann .fields = (VMStateField[]) { 376737352df3SGerd Hoffmann VMSTATE_UINT32(type, XHCIEvent), 376837352df3SGerd Hoffmann VMSTATE_UINT32(ccode, XHCIEvent), 376937352df3SGerd Hoffmann VMSTATE_UINT64(ptr, XHCIEvent), 377037352df3SGerd Hoffmann VMSTATE_UINT32(length, XHCIEvent), 377137352df3SGerd Hoffmann VMSTATE_UINT32(flags, XHCIEvent), 377237352df3SGerd Hoffmann VMSTATE_UINT8(slotid, XHCIEvent), 377337352df3SGerd Hoffmann VMSTATE_UINT8(epid, XHCIEvent), 37743afca1d6SLaszlo Ersek VMSTATE_END_OF_LIST() 377537352df3SGerd Hoffmann } 377637352df3SGerd Hoffmann }; 377737352df3SGerd Hoffmann 377837352df3SGerd Hoffmann static bool xhci_er_full(void *opaque, int version_id) 377937352df3SGerd Hoffmann { 3780898248a3SGerd Hoffmann return false; 378137352df3SGerd Hoffmann } 378237352df3SGerd Hoffmann 378337352df3SGerd Hoffmann static const VMStateDescription vmstate_xhci_intr = { 378437352df3SGerd Hoffmann .name = "xhci-intr", 378537352df3SGerd Hoffmann .version_id = 1, 378637352df3SGerd Hoffmann .fields = (VMStateField[]) { 378737352df3SGerd Hoffmann /* registers */ 378837352df3SGerd Hoffmann VMSTATE_UINT32(iman, XHCIInterrupter), 378937352df3SGerd Hoffmann VMSTATE_UINT32(imod, XHCIInterrupter), 379037352df3SGerd Hoffmann VMSTATE_UINT32(erstsz, XHCIInterrupter), 379137352df3SGerd Hoffmann VMSTATE_UINT32(erstba_low, XHCIInterrupter), 379237352df3SGerd Hoffmann VMSTATE_UINT32(erstba_high, XHCIInterrupter), 379337352df3SGerd Hoffmann VMSTATE_UINT32(erdp_low, XHCIInterrupter), 379437352df3SGerd Hoffmann VMSTATE_UINT32(erdp_high, XHCIInterrupter), 379537352df3SGerd Hoffmann 379637352df3SGerd Hoffmann /* state */ 379737352df3SGerd Hoffmann VMSTATE_BOOL(msix_used, XHCIInterrupter), 379837352df3SGerd Hoffmann VMSTATE_BOOL(er_pcs, XHCIInterrupter), 379937352df3SGerd Hoffmann VMSTATE_UINT64(er_start, XHCIInterrupter), 380037352df3SGerd Hoffmann VMSTATE_UINT32(er_size, XHCIInterrupter), 380137352df3SGerd Hoffmann VMSTATE_UINT32(er_ep_idx, XHCIInterrupter), 380237352df3SGerd Hoffmann 380337352df3SGerd Hoffmann /* event queue (used if ring is full) */ 3804898248a3SGerd Hoffmann VMSTATE_BOOL(er_full_unused, XHCIInterrupter), 380537352df3SGerd Hoffmann VMSTATE_UINT32_TEST(ev_buffer_put, XHCIInterrupter, xhci_er_full), 380637352df3SGerd Hoffmann VMSTATE_UINT32_TEST(ev_buffer_get, XHCIInterrupter, xhci_er_full), 380737352df3SGerd Hoffmann VMSTATE_STRUCT_ARRAY_TEST(ev_buffer, XHCIInterrupter, EV_QUEUE, 380837352df3SGerd Hoffmann xhci_er_full, 1, 380937352df3SGerd Hoffmann vmstate_xhci_event, XHCIEvent), 381037352df3SGerd Hoffmann 381137352df3SGerd Hoffmann VMSTATE_END_OF_LIST() 381237352df3SGerd Hoffmann } 381337352df3SGerd Hoffmann }; 381437352df3SGerd Hoffmann 3815f1ae32a1SGerd Hoffmann static const VMStateDescription vmstate_xhci = { 3816f1ae32a1SGerd Hoffmann .name = "xhci", 381737352df3SGerd Hoffmann .version_id = 1, 381837352df3SGerd Hoffmann .post_load = usb_xhci_post_load, 381937352df3SGerd Hoffmann .fields = (VMStateField[]) { 382020daa90aSDr. David Alan Gilbert VMSTATE_PCI_DEVICE(parent_obj, XHCIState), 38219b7d3334SAndreas Färber VMSTATE_MSIX(parent_obj, XHCIState), 382237352df3SGerd Hoffmann 382337352df3SGerd Hoffmann VMSTATE_STRUCT_VARRAY_UINT32(ports, XHCIState, numports, 1, 382437352df3SGerd Hoffmann vmstate_xhci_port, XHCIPort), 382537352df3SGerd Hoffmann VMSTATE_STRUCT_VARRAY_UINT32(slots, XHCIState, numslots, 1, 382637352df3SGerd Hoffmann vmstate_xhci_slot, XHCISlot), 382737352df3SGerd Hoffmann VMSTATE_STRUCT_VARRAY_UINT32(intr, XHCIState, numintrs, 1, 382837352df3SGerd Hoffmann vmstate_xhci_intr, XHCIInterrupter), 382937352df3SGerd Hoffmann 383037352df3SGerd Hoffmann /* Operational Registers */ 383137352df3SGerd Hoffmann VMSTATE_UINT32(usbcmd, XHCIState), 383237352df3SGerd Hoffmann VMSTATE_UINT32(usbsts, XHCIState), 383337352df3SGerd Hoffmann VMSTATE_UINT32(dnctrl, XHCIState), 383437352df3SGerd Hoffmann VMSTATE_UINT32(crcr_low, XHCIState), 383537352df3SGerd Hoffmann VMSTATE_UINT32(crcr_high, XHCIState), 383637352df3SGerd Hoffmann VMSTATE_UINT32(dcbaap_low, XHCIState), 383737352df3SGerd Hoffmann VMSTATE_UINT32(dcbaap_high, XHCIState), 383837352df3SGerd Hoffmann VMSTATE_UINT32(config, XHCIState), 383937352df3SGerd Hoffmann 384037352df3SGerd Hoffmann /* Runtime Registers & state */ 384137352df3SGerd Hoffmann VMSTATE_INT64(mfindex_start, XHCIState), 3842e720677eSPaolo Bonzini VMSTATE_TIMER_PTR(mfwrap_timer, XHCIState), 384337352df3SGerd Hoffmann VMSTATE_STRUCT(cmd_ring, XHCIState, 1, vmstate_xhci_ring, XHCIRing), 384437352df3SGerd Hoffmann 384537352df3SGerd Hoffmann VMSTATE_END_OF_LIST() 384637352df3SGerd Hoffmann } 3847f1ae32a1SGerd Hoffmann }; 3848f1ae32a1SGerd Hoffmann 38494f72b8d2SGerd Hoffmann static Property nec_xhci_properties[] = { 3850290fd20dSCao jin DEFINE_PROP_ON_OFF_AUTO("msi", XHCIState, msi, ON_OFF_AUTO_AUTO), 3851290fd20dSCao jin DEFINE_PROP_ON_OFF_AUTO("msix", XHCIState, msix, ON_OFF_AUTO_AUTO), 38527bafd888SGerd Hoffmann DEFINE_PROP_BIT("superspeed-ports-first", 38537bafd888SGerd Hoffmann XHCIState, flags, XHCI_FLAG_SS_FIRST, true), 3854e6043e92SDr. David Alan Gilbert DEFINE_PROP_BIT("force-pcie-endcap", XHCIState, flags, 3855e6043e92SDr. David Alan Gilbert XHCI_FLAG_FORCE_PCIE_ENDCAP, false), 385691062ae0SGerd Hoffmann DEFINE_PROP_UINT32("intrs", XHCIState, numintrs, MAXINTRS), 385791062ae0SGerd Hoffmann DEFINE_PROP_UINT32("slots", XHCIState, numslots, MAXSLOTS), 38584f72b8d2SGerd Hoffmann DEFINE_PROP_END_OF_LIST(), 38594f72b8d2SGerd Hoffmann }; 38604f72b8d2SGerd Hoffmann 38614f72b8d2SGerd Hoffmann static Property xhci_properties[] = { 38624f72b8d2SGerd Hoffmann DEFINE_PROP_BIT("streams", XHCIState, flags, 38634f72b8d2SGerd Hoffmann XHCI_FLAG_ENABLE_STREAMS, true), 38640846e635SGerd Hoffmann DEFINE_PROP_UINT32("p2", XHCIState, numports_2, 4), 38650846e635SGerd Hoffmann DEFINE_PROP_UINT32("p3", XHCIState, numports_3, 4), 3866f1ae32a1SGerd Hoffmann DEFINE_PROP_END_OF_LIST(), 3867f1ae32a1SGerd Hoffmann }; 3868f1ae32a1SGerd Hoffmann 3869f1ae32a1SGerd Hoffmann static void xhci_class_init(ObjectClass *klass, void *data) 3870f1ae32a1SGerd Hoffmann { 3871f1ae32a1SGerd Hoffmann PCIDeviceClass *k = PCI_DEVICE_CLASS(klass); 3872f1ae32a1SGerd Hoffmann DeviceClass *dc = DEVICE_CLASS(klass); 3873f1ae32a1SGerd Hoffmann 3874f1ae32a1SGerd Hoffmann dc->vmsd = &vmstate_xhci; 3875f1ae32a1SGerd Hoffmann dc->props = xhci_properties; 387664619739SJan Kiszka dc->reset = xhci_reset; 3877125ee0edSMarcel Apfelbaum set_bit(DEVICE_CATEGORY_USB, dc->categories); 38789af21dbeSMarkus Armbruster k->realize = usb_xhci_realize; 387953c30545SGonglei k->exit = usb_xhci_exit; 3880f1ae32a1SGerd Hoffmann k->class_id = PCI_CLASS_SERIAL_USB; 3881f1ae32a1SGerd Hoffmann k->is_express = 1; 3882f1ae32a1SGerd Hoffmann } 3883f1ae32a1SGerd Hoffmann 38848c43a6f0SAndreas Färber static const TypeInfo xhci_info = { 388537034575SPeter Crosthwaite .name = TYPE_XHCI, 3886f1ae32a1SGerd Hoffmann .parent = TYPE_PCI_DEVICE, 3887f1ae32a1SGerd Hoffmann .instance_size = sizeof(XHCIState), 3888f1ae32a1SGerd Hoffmann .class_init = xhci_class_init, 388972a810f4SGerd Hoffmann .abstract = true, 389072a810f4SGerd Hoffmann }; 389172a810f4SGerd Hoffmann 389272a810f4SGerd Hoffmann static void nec_xhci_class_init(ObjectClass *klass, void *data) 389372a810f4SGerd Hoffmann { 389472a810f4SGerd Hoffmann PCIDeviceClass *k = PCI_DEVICE_CLASS(klass); 38954f72b8d2SGerd Hoffmann DeviceClass *dc = DEVICE_CLASS(klass); 389672a810f4SGerd Hoffmann 38974f72b8d2SGerd Hoffmann dc->props = nec_xhci_properties; 389872a810f4SGerd Hoffmann k->vendor_id = PCI_VENDOR_ID_NEC; 389972a810f4SGerd Hoffmann k->device_id = PCI_DEVICE_ID_NEC_UPD720200; 390072a810f4SGerd Hoffmann k->revision = 0x03; 390172a810f4SGerd Hoffmann } 390272a810f4SGerd Hoffmann 390372a810f4SGerd Hoffmann static const TypeInfo nec_xhci_info = { 390472a810f4SGerd Hoffmann .name = TYPE_NEC_XHCI, 390572a810f4SGerd Hoffmann .parent = TYPE_XHCI, 390672a810f4SGerd Hoffmann .class_init = nec_xhci_class_init, 390772a810f4SGerd Hoffmann }; 390872a810f4SGerd Hoffmann 390972a810f4SGerd Hoffmann static void qemu_xhci_class_init(ObjectClass *klass, void *data) 391072a810f4SGerd Hoffmann { 391172a810f4SGerd Hoffmann PCIDeviceClass *k = PCI_DEVICE_CLASS(klass); 391272a810f4SGerd Hoffmann 391372a810f4SGerd Hoffmann k->vendor_id = PCI_VENDOR_ID_REDHAT; 391472a810f4SGerd Hoffmann k->device_id = PCI_DEVICE_ID_REDHAT_XHCI; 391572a810f4SGerd Hoffmann k->revision = 0x01; 391672a810f4SGerd Hoffmann } 391772a810f4SGerd Hoffmann 39184f72b8d2SGerd Hoffmann static void qemu_xhci_instance_init(Object *obj) 39194f72b8d2SGerd Hoffmann { 39204f72b8d2SGerd Hoffmann XHCIState *xhci = XHCI(obj); 39214f72b8d2SGerd Hoffmann 39224f72b8d2SGerd Hoffmann xhci->msi = ON_OFF_AUTO_OFF; 39234f72b8d2SGerd Hoffmann xhci->msix = ON_OFF_AUTO_AUTO; 39244f72b8d2SGerd Hoffmann xhci->numintrs = MAXINTRS; 39254f72b8d2SGerd Hoffmann xhci->numslots = MAXSLOTS; 39264f72b8d2SGerd Hoffmann xhci_set_flag(xhci, XHCI_FLAG_SS_FIRST); 39274f72b8d2SGerd Hoffmann } 39284f72b8d2SGerd Hoffmann 392972a810f4SGerd Hoffmann static const TypeInfo qemu_xhci_info = { 393072a810f4SGerd Hoffmann .name = TYPE_QEMU_XHCI, 393172a810f4SGerd Hoffmann .parent = TYPE_XHCI, 393272a810f4SGerd Hoffmann .class_init = qemu_xhci_class_init, 39334f72b8d2SGerd Hoffmann .instance_init = qemu_xhci_instance_init, 3934f1ae32a1SGerd Hoffmann }; 3935f1ae32a1SGerd Hoffmann 3936f1ae32a1SGerd Hoffmann static void xhci_register_types(void) 3937f1ae32a1SGerd Hoffmann { 3938f1ae32a1SGerd Hoffmann type_register_static(&xhci_info); 393972a810f4SGerd Hoffmann type_register_static(&nec_xhci_info); 394072a810f4SGerd Hoffmann type_register_static(&qemu_xhci_info); 3941f1ae32a1SGerd Hoffmann } 3942f1ae32a1SGerd Hoffmann 3943f1ae32a1SGerd Hoffmann type_init(xhci_register_types) 3944