1f1ae32a1SGerd Hoffmann /* 2f1ae32a1SGerd Hoffmann * USB xHCI controller emulation 3f1ae32a1SGerd Hoffmann * 4f1ae32a1SGerd Hoffmann * Copyright (c) 2011 Securiforest 5f1ae32a1SGerd Hoffmann * Date: 2011-05-11 ; Author: Hector Martin <hector@marcansoft.com> 6f1ae32a1SGerd Hoffmann * Based on usb-ohci.c, emulates Renesas NEC USB 3.0 7f1ae32a1SGerd Hoffmann * 8f1ae32a1SGerd Hoffmann * This library is free software; you can redistribute it and/or 9f1ae32a1SGerd Hoffmann * modify it under the terms of the GNU Lesser General Public 10f1ae32a1SGerd Hoffmann * License as published by the Free Software Foundation; either 11f1ae32a1SGerd Hoffmann * version 2 of the License, or (at your option) any later version. 12f1ae32a1SGerd Hoffmann * 13f1ae32a1SGerd Hoffmann * This library is distributed in the hope that it will be useful, 14f1ae32a1SGerd Hoffmann * but WITHOUT ANY WARRANTY; without even the implied warranty of 15f1ae32a1SGerd Hoffmann * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 16f1ae32a1SGerd Hoffmann * Lesser General Public License for more details. 17f1ae32a1SGerd Hoffmann * 18f1ae32a1SGerd Hoffmann * You should have received a copy of the GNU Lesser General Public 19f1ae32a1SGerd Hoffmann * License along with this library; if not, see <http://www.gnu.org/licenses/>. 20f1ae32a1SGerd Hoffmann */ 21f1ae32a1SGerd Hoffmann #include "hw/hw.h" 22f1ae32a1SGerd Hoffmann #include "qemu-timer.h" 23f1ae32a1SGerd Hoffmann #include "hw/usb.h" 24f1ae32a1SGerd Hoffmann #include "hw/pci.h" 25f1ae32a1SGerd Hoffmann #include "hw/msi.h" 264c47f800SGerd Hoffmann #include "hw/msix.h" 272d754a10SGerd Hoffmann #include "trace.h" 28f1ae32a1SGerd Hoffmann 29f1ae32a1SGerd Hoffmann //#define DEBUG_XHCI 30f1ae32a1SGerd Hoffmann //#define DEBUG_DATA 31f1ae32a1SGerd Hoffmann 32f1ae32a1SGerd Hoffmann #ifdef DEBUG_XHCI 33f1ae32a1SGerd Hoffmann #define DPRINTF(...) fprintf(stderr, __VA_ARGS__) 34f1ae32a1SGerd Hoffmann #else 35f1ae32a1SGerd Hoffmann #define DPRINTF(...) do {} while (0) 36f1ae32a1SGerd Hoffmann #endif 37f1ae32a1SGerd Hoffmann #define FIXME() do { fprintf(stderr, "FIXME %s:%d\n", \ 38f1ae32a1SGerd Hoffmann __func__, __LINE__); abort(); } while (0) 39f1ae32a1SGerd Hoffmann 40d95e74eaSGerd Hoffmann #define MAXPORTS_2 15 41d95e74eaSGerd Hoffmann #define MAXPORTS_3 15 42f1ae32a1SGerd Hoffmann 430846e635SGerd Hoffmann #define MAXPORTS (MAXPORTS_2+MAXPORTS_3) 44d95e74eaSGerd Hoffmann #define MAXSLOTS 64 45d95e74eaSGerd Hoffmann #define MAXINTRS 16 46f1ae32a1SGerd Hoffmann 47f1ae32a1SGerd Hoffmann #define TD_QUEUE 24 48f1ae32a1SGerd Hoffmann 49f1ae32a1SGerd Hoffmann /* Very pessimistic, let's hope it's enough for all cases */ 50f1ae32a1SGerd Hoffmann #define EV_QUEUE (((3*TD_QUEUE)+16)*MAXSLOTS) 51f1ae32a1SGerd Hoffmann /* Do not deliver ER Full events. NEC's driver does some things not bound 52f1ae32a1SGerd Hoffmann * to the specs when it gets them */ 53f1ae32a1SGerd Hoffmann #define ER_FULL_HACK 54f1ae32a1SGerd Hoffmann 55f1ae32a1SGerd Hoffmann #define LEN_CAP 0x40 56f1ae32a1SGerd Hoffmann #define LEN_OPER (0x400 + 0x10 * MAXPORTS) 57106b214cSGerd Hoffmann #define LEN_RUNTIME ((MAXINTRS + 1) * 0x20) 58f1ae32a1SGerd Hoffmann #define LEN_DOORBELL ((MAXSLOTS + 1) * 0x20) 59f1ae32a1SGerd Hoffmann 60106b214cSGerd Hoffmann #define OFF_OPER LEN_CAP 61106b214cSGerd Hoffmann #define OFF_RUNTIME 0x1000 62106b214cSGerd Hoffmann #define OFF_DOORBELL 0x2000 634c47f800SGerd Hoffmann #define OFF_MSIX_TABLE 0x3000 644c47f800SGerd Hoffmann #define OFF_MSIX_PBA 0x3800 65f1ae32a1SGerd Hoffmann /* must be power of 2 */ 66106b214cSGerd Hoffmann #define LEN_REGS 0x4000 67f1ae32a1SGerd Hoffmann 68106b214cSGerd Hoffmann #if (OFF_OPER + LEN_OPER) > OFF_RUNTIME 69106b214cSGerd Hoffmann #error Increase OFF_RUNTIME 70106b214cSGerd Hoffmann #endif 71106b214cSGerd Hoffmann #if (OFF_RUNTIME + LEN_RUNTIME) > OFF_DOORBELL 72106b214cSGerd Hoffmann #error Increase OFF_DOORBELL 73106b214cSGerd Hoffmann #endif 74f1ae32a1SGerd Hoffmann #if (OFF_DOORBELL + LEN_DOORBELL) > LEN_REGS 75f1ae32a1SGerd Hoffmann # error Increase LEN_REGS 76f1ae32a1SGerd Hoffmann #endif 77f1ae32a1SGerd Hoffmann 78f1ae32a1SGerd Hoffmann /* bit definitions */ 79f1ae32a1SGerd Hoffmann #define USBCMD_RS (1<<0) 80f1ae32a1SGerd Hoffmann #define USBCMD_HCRST (1<<1) 81f1ae32a1SGerd Hoffmann #define USBCMD_INTE (1<<2) 82f1ae32a1SGerd Hoffmann #define USBCMD_HSEE (1<<3) 83f1ae32a1SGerd Hoffmann #define USBCMD_LHCRST (1<<7) 84f1ae32a1SGerd Hoffmann #define USBCMD_CSS (1<<8) 85f1ae32a1SGerd Hoffmann #define USBCMD_CRS (1<<9) 86f1ae32a1SGerd Hoffmann #define USBCMD_EWE (1<<10) 87f1ae32a1SGerd Hoffmann #define USBCMD_EU3S (1<<11) 88f1ae32a1SGerd Hoffmann 89f1ae32a1SGerd Hoffmann #define USBSTS_HCH (1<<0) 90f1ae32a1SGerd Hoffmann #define USBSTS_HSE (1<<2) 91f1ae32a1SGerd Hoffmann #define USBSTS_EINT (1<<3) 92f1ae32a1SGerd Hoffmann #define USBSTS_PCD (1<<4) 93f1ae32a1SGerd Hoffmann #define USBSTS_SSS (1<<8) 94f1ae32a1SGerd Hoffmann #define USBSTS_RSS (1<<9) 95f1ae32a1SGerd Hoffmann #define USBSTS_SRE (1<<10) 96f1ae32a1SGerd Hoffmann #define USBSTS_CNR (1<<11) 97f1ae32a1SGerd Hoffmann #define USBSTS_HCE (1<<12) 98f1ae32a1SGerd Hoffmann 99f1ae32a1SGerd Hoffmann 100f1ae32a1SGerd Hoffmann #define PORTSC_CCS (1<<0) 101f1ae32a1SGerd Hoffmann #define PORTSC_PED (1<<1) 102f1ae32a1SGerd Hoffmann #define PORTSC_OCA (1<<3) 103f1ae32a1SGerd Hoffmann #define PORTSC_PR (1<<4) 104f1ae32a1SGerd Hoffmann #define PORTSC_PLS_SHIFT 5 105f1ae32a1SGerd Hoffmann #define PORTSC_PLS_MASK 0xf 106f1ae32a1SGerd Hoffmann #define PORTSC_PP (1<<9) 107f1ae32a1SGerd Hoffmann #define PORTSC_SPEED_SHIFT 10 108f1ae32a1SGerd Hoffmann #define PORTSC_SPEED_MASK 0xf 109f1ae32a1SGerd Hoffmann #define PORTSC_SPEED_FULL (1<<10) 110f1ae32a1SGerd Hoffmann #define PORTSC_SPEED_LOW (2<<10) 111f1ae32a1SGerd Hoffmann #define PORTSC_SPEED_HIGH (3<<10) 112f1ae32a1SGerd Hoffmann #define PORTSC_SPEED_SUPER (4<<10) 113f1ae32a1SGerd Hoffmann #define PORTSC_PIC_SHIFT 14 114f1ae32a1SGerd Hoffmann #define PORTSC_PIC_MASK 0x3 115f1ae32a1SGerd Hoffmann #define PORTSC_LWS (1<<16) 116f1ae32a1SGerd Hoffmann #define PORTSC_CSC (1<<17) 117f1ae32a1SGerd Hoffmann #define PORTSC_PEC (1<<18) 118f1ae32a1SGerd Hoffmann #define PORTSC_WRC (1<<19) 119f1ae32a1SGerd Hoffmann #define PORTSC_OCC (1<<20) 120f1ae32a1SGerd Hoffmann #define PORTSC_PRC (1<<21) 121f1ae32a1SGerd Hoffmann #define PORTSC_PLC (1<<22) 122f1ae32a1SGerd Hoffmann #define PORTSC_CEC (1<<23) 123f1ae32a1SGerd Hoffmann #define PORTSC_CAS (1<<24) 124f1ae32a1SGerd Hoffmann #define PORTSC_WCE (1<<25) 125f1ae32a1SGerd Hoffmann #define PORTSC_WDE (1<<26) 126f1ae32a1SGerd Hoffmann #define PORTSC_WOE (1<<27) 127f1ae32a1SGerd Hoffmann #define PORTSC_DR (1<<30) 128f1ae32a1SGerd Hoffmann #define PORTSC_WPR (1<<31) 129f1ae32a1SGerd Hoffmann 130f1ae32a1SGerd Hoffmann #define CRCR_RCS (1<<0) 131f1ae32a1SGerd Hoffmann #define CRCR_CS (1<<1) 132f1ae32a1SGerd Hoffmann #define CRCR_CA (1<<2) 133f1ae32a1SGerd Hoffmann #define CRCR_CRR (1<<3) 134f1ae32a1SGerd Hoffmann 135f1ae32a1SGerd Hoffmann #define IMAN_IP (1<<0) 136f1ae32a1SGerd Hoffmann #define IMAN_IE (1<<1) 137f1ae32a1SGerd Hoffmann 138f1ae32a1SGerd Hoffmann #define ERDP_EHB (1<<3) 139f1ae32a1SGerd Hoffmann 140f1ae32a1SGerd Hoffmann #define TRB_SIZE 16 141f1ae32a1SGerd Hoffmann typedef struct XHCITRB { 142f1ae32a1SGerd Hoffmann uint64_t parameter; 143f1ae32a1SGerd Hoffmann uint32_t status; 144f1ae32a1SGerd Hoffmann uint32_t control; 14559a70ccdSDavid Gibson dma_addr_t addr; 146f1ae32a1SGerd Hoffmann bool ccs; 147f1ae32a1SGerd Hoffmann } XHCITRB; 148f1ae32a1SGerd Hoffmann 14985e05d82SGerd Hoffmann enum { 15085e05d82SGerd Hoffmann PLS_U0 = 0, 15185e05d82SGerd Hoffmann PLS_U1 = 1, 15285e05d82SGerd Hoffmann PLS_U2 = 2, 15385e05d82SGerd Hoffmann PLS_U3 = 3, 15485e05d82SGerd Hoffmann PLS_DISABLED = 4, 15585e05d82SGerd Hoffmann PLS_RX_DETECT = 5, 15685e05d82SGerd Hoffmann PLS_INACTIVE = 6, 15785e05d82SGerd Hoffmann PLS_POLLING = 7, 15885e05d82SGerd Hoffmann PLS_RECOVERY = 8, 15985e05d82SGerd Hoffmann PLS_HOT_RESET = 9, 16085e05d82SGerd Hoffmann PLS_COMPILANCE_MODE = 10, 16185e05d82SGerd Hoffmann PLS_TEST_MODE = 11, 16285e05d82SGerd Hoffmann PLS_RESUME = 15, 16385e05d82SGerd Hoffmann }; 164f1ae32a1SGerd Hoffmann 165f1ae32a1SGerd Hoffmann typedef enum TRBType { 166f1ae32a1SGerd Hoffmann TRB_RESERVED = 0, 167f1ae32a1SGerd Hoffmann TR_NORMAL, 168f1ae32a1SGerd Hoffmann TR_SETUP, 169f1ae32a1SGerd Hoffmann TR_DATA, 170f1ae32a1SGerd Hoffmann TR_STATUS, 171f1ae32a1SGerd Hoffmann TR_ISOCH, 172f1ae32a1SGerd Hoffmann TR_LINK, 173f1ae32a1SGerd Hoffmann TR_EVDATA, 174f1ae32a1SGerd Hoffmann TR_NOOP, 175f1ae32a1SGerd Hoffmann CR_ENABLE_SLOT, 176f1ae32a1SGerd Hoffmann CR_DISABLE_SLOT, 177f1ae32a1SGerd Hoffmann CR_ADDRESS_DEVICE, 178f1ae32a1SGerd Hoffmann CR_CONFIGURE_ENDPOINT, 179f1ae32a1SGerd Hoffmann CR_EVALUATE_CONTEXT, 180f1ae32a1SGerd Hoffmann CR_RESET_ENDPOINT, 181f1ae32a1SGerd Hoffmann CR_STOP_ENDPOINT, 182f1ae32a1SGerd Hoffmann CR_SET_TR_DEQUEUE, 183f1ae32a1SGerd Hoffmann CR_RESET_DEVICE, 184f1ae32a1SGerd Hoffmann CR_FORCE_EVENT, 185f1ae32a1SGerd Hoffmann CR_NEGOTIATE_BW, 186f1ae32a1SGerd Hoffmann CR_SET_LATENCY_TOLERANCE, 187f1ae32a1SGerd Hoffmann CR_GET_PORT_BANDWIDTH, 188f1ae32a1SGerd Hoffmann CR_FORCE_HEADER, 189f1ae32a1SGerd Hoffmann CR_NOOP, 190f1ae32a1SGerd Hoffmann ER_TRANSFER = 32, 191f1ae32a1SGerd Hoffmann ER_COMMAND_COMPLETE, 192f1ae32a1SGerd Hoffmann ER_PORT_STATUS_CHANGE, 193f1ae32a1SGerd Hoffmann ER_BANDWIDTH_REQUEST, 194f1ae32a1SGerd Hoffmann ER_DOORBELL, 195f1ae32a1SGerd Hoffmann ER_HOST_CONTROLLER, 196f1ae32a1SGerd Hoffmann ER_DEVICE_NOTIFICATION, 197f1ae32a1SGerd Hoffmann ER_MFINDEX_WRAP, 198f1ae32a1SGerd Hoffmann /* vendor specific bits */ 199f1ae32a1SGerd Hoffmann CR_VENDOR_VIA_CHALLENGE_RESPONSE = 48, 200f1ae32a1SGerd Hoffmann CR_VENDOR_NEC_FIRMWARE_REVISION = 49, 201f1ae32a1SGerd Hoffmann CR_VENDOR_NEC_CHALLENGE_RESPONSE = 50, 202f1ae32a1SGerd Hoffmann } TRBType; 203f1ae32a1SGerd Hoffmann 204f1ae32a1SGerd Hoffmann #define CR_LINK TR_LINK 205f1ae32a1SGerd Hoffmann 206f1ae32a1SGerd Hoffmann typedef enum TRBCCode { 207f1ae32a1SGerd Hoffmann CC_INVALID = 0, 208f1ae32a1SGerd Hoffmann CC_SUCCESS, 209f1ae32a1SGerd Hoffmann CC_DATA_BUFFER_ERROR, 210f1ae32a1SGerd Hoffmann CC_BABBLE_DETECTED, 211f1ae32a1SGerd Hoffmann CC_USB_TRANSACTION_ERROR, 212f1ae32a1SGerd Hoffmann CC_TRB_ERROR, 213f1ae32a1SGerd Hoffmann CC_STALL_ERROR, 214f1ae32a1SGerd Hoffmann CC_RESOURCE_ERROR, 215f1ae32a1SGerd Hoffmann CC_BANDWIDTH_ERROR, 216f1ae32a1SGerd Hoffmann CC_NO_SLOTS_ERROR, 217f1ae32a1SGerd Hoffmann CC_INVALID_STREAM_TYPE_ERROR, 218f1ae32a1SGerd Hoffmann CC_SLOT_NOT_ENABLED_ERROR, 219f1ae32a1SGerd Hoffmann CC_EP_NOT_ENABLED_ERROR, 220f1ae32a1SGerd Hoffmann CC_SHORT_PACKET, 221f1ae32a1SGerd Hoffmann CC_RING_UNDERRUN, 222f1ae32a1SGerd Hoffmann CC_RING_OVERRUN, 223f1ae32a1SGerd Hoffmann CC_VF_ER_FULL, 224f1ae32a1SGerd Hoffmann CC_PARAMETER_ERROR, 225f1ae32a1SGerd Hoffmann CC_BANDWIDTH_OVERRUN, 226f1ae32a1SGerd Hoffmann CC_CONTEXT_STATE_ERROR, 227f1ae32a1SGerd Hoffmann CC_NO_PING_RESPONSE_ERROR, 228f1ae32a1SGerd Hoffmann CC_EVENT_RING_FULL_ERROR, 229f1ae32a1SGerd Hoffmann CC_INCOMPATIBLE_DEVICE_ERROR, 230f1ae32a1SGerd Hoffmann CC_MISSED_SERVICE_ERROR, 231f1ae32a1SGerd Hoffmann CC_COMMAND_RING_STOPPED, 232f1ae32a1SGerd Hoffmann CC_COMMAND_ABORTED, 233f1ae32a1SGerd Hoffmann CC_STOPPED, 234f1ae32a1SGerd Hoffmann CC_STOPPED_LENGTH_INVALID, 235f1ae32a1SGerd Hoffmann CC_MAX_EXIT_LATENCY_TOO_LARGE_ERROR = 29, 236f1ae32a1SGerd Hoffmann CC_ISOCH_BUFFER_OVERRUN = 31, 237f1ae32a1SGerd Hoffmann CC_EVENT_LOST_ERROR, 238f1ae32a1SGerd Hoffmann CC_UNDEFINED_ERROR, 239f1ae32a1SGerd Hoffmann CC_INVALID_STREAM_ID_ERROR, 240f1ae32a1SGerd Hoffmann CC_SECONDARY_BANDWIDTH_ERROR, 241f1ae32a1SGerd Hoffmann CC_SPLIT_TRANSACTION_ERROR 242f1ae32a1SGerd Hoffmann } TRBCCode; 243f1ae32a1SGerd Hoffmann 244f1ae32a1SGerd Hoffmann #define TRB_C (1<<0) 245f1ae32a1SGerd Hoffmann #define TRB_TYPE_SHIFT 10 246f1ae32a1SGerd Hoffmann #define TRB_TYPE_MASK 0x3f 247f1ae32a1SGerd Hoffmann #define TRB_TYPE(t) (((t).control >> TRB_TYPE_SHIFT) & TRB_TYPE_MASK) 248f1ae32a1SGerd Hoffmann 249f1ae32a1SGerd Hoffmann #define TRB_EV_ED (1<<2) 250f1ae32a1SGerd Hoffmann 251f1ae32a1SGerd Hoffmann #define TRB_TR_ENT (1<<1) 252f1ae32a1SGerd Hoffmann #define TRB_TR_ISP (1<<2) 253f1ae32a1SGerd Hoffmann #define TRB_TR_NS (1<<3) 254f1ae32a1SGerd Hoffmann #define TRB_TR_CH (1<<4) 255f1ae32a1SGerd Hoffmann #define TRB_TR_IOC (1<<5) 256f1ae32a1SGerd Hoffmann #define TRB_TR_IDT (1<<6) 257f1ae32a1SGerd Hoffmann #define TRB_TR_TBC_SHIFT 7 258f1ae32a1SGerd Hoffmann #define TRB_TR_TBC_MASK 0x3 259f1ae32a1SGerd Hoffmann #define TRB_TR_BEI (1<<9) 260f1ae32a1SGerd Hoffmann #define TRB_TR_TLBPC_SHIFT 16 261f1ae32a1SGerd Hoffmann #define TRB_TR_TLBPC_MASK 0xf 262f1ae32a1SGerd Hoffmann #define TRB_TR_FRAMEID_SHIFT 20 263f1ae32a1SGerd Hoffmann #define TRB_TR_FRAMEID_MASK 0x7ff 264f1ae32a1SGerd Hoffmann #define TRB_TR_SIA (1<<31) 265f1ae32a1SGerd Hoffmann 266f1ae32a1SGerd Hoffmann #define TRB_TR_DIR (1<<16) 267f1ae32a1SGerd Hoffmann 268f1ae32a1SGerd Hoffmann #define TRB_CR_SLOTID_SHIFT 24 269f1ae32a1SGerd Hoffmann #define TRB_CR_SLOTID_MASK 0xff 270f1ae32a1SGerd Hoffmann #define TRB_CR_EPID_SHIFT 16 271f1ae32a1SGerd Hoffmann #define TRB_CR_EPID_MASK 0x1f 272f1ae32a1SGerd Hoffmann 273f1ae32a1SGerd Hoffmann #define TRB_CR_BSR (1<<9) 274f1ae32a1SGerd Hoffmann #define TRB_CR_DC (1<<9) 275f1ae32a1SGerd Hoffmann 276f1ae32a1SGerd Hoffmann #define TRB_LK_TC (1<<1) 277f1ae32a1SGerd Hoffmann 2782d1de850SGerd Hoffmann #define TRB_INTR_SHIFT 22 2792d1de850SGerd Hoffmann #define TRB_INTR_MASK 0x3ff 2802d1de850SGerd Hoffmann #define TRB_INTR(t) (((t).status >> TRB_INTR_SHIFT) & TRB_INTR_MASK) 2812d1de850SGerd Hoffmann 282f1ae32a1SGerd Hoffmann #define EP_TYPE_MASK 0x7 283f1ae32a1SGerd Hoffmann #define EP_TYPE_SHIFT 3 284f1ae32a1SGerd Hoffmann 285f1ae32a1SGerd Hoffmann #define EP_STATE_MASK 0x7 286f1ae32a1SGerd Hoffmann #define EP_DISABLED (0<<0) 287f1ae32a1SGerd Hoffmann #define EP_RUNNING (1<<0) 288f1ae32a1SGerd Hoffmann #define EP_HALTED (2<<0) 289f1ae32a1SGerd Hoffmann #define EP_STOPPED (3<<0) 290f1ae32a1SGerd Hoffmann #define EP_ERROR (4<<0) 291f1ae32a1SGerd Hoffmann 292f1ae32a1SGerd Hoffmann #define SLOT_STATE_MASK 0x1f 293f1ae32a1SGerd Hoffmann #define SLOT_STATE_SHIFT 27 294f1ae32a1SGerd Hoffmann #define SLOT_STATE(s) (((s)>>SLOT_STATE_SHIFT)&SLOT_STATE_MASK) 295f1ae32a1SGerd Hoffmann #define SLOT_ENABLED 0 296f1ae32a1SGerd Hoffmann #define SLOT_DEFAULT 1 297f1ae32a1SGerd Hoffmann #define SLOT_ADDRESSED 2 298f1ae32a1SGerd Hoffmann #define SLOT_CONFIGURED 3 299f1ae32a1SGerd Hoffmann 300f1ae32a1SGerd Hoffmann #define SLOT_CONTEXT_ENTRIES_MASK 0x1f 301f1ae32a1SGerd Hoffmann #define SLOT_CONTEXT_ENTRIES_SHIFT 27 302f1ae32a1SGerd Hoffmann 3031d8a4e69SGerd Hoffmann typedef struct XHCIState XHCIState; 3041d8a4e69SGerd Hoffmann 30585e05d82SGerd Hoffmann #define get_field(data, field) \ 30685e05d82SGerd Hoffmann (((data) >> field##_SHIFT) & field##_MASK) 30785e05d82SGerd Hoffmann 30885e05d82SGerd Hoffmann #define set_field(data, newval, field) do { \ 30985e05d82SGerd Hoffmann uint32_t val = *data; \ 31085e05d82SGerd Hoffmann val &= ~(field##_MASK << field##_SHIFT); \ 31185e05d82SGerd Hoffmann val |= ((newval) & field##_MASK) << field##_SHIFT; \ 31285e05d82SGerd Hoffmann *data = val; \ 31385e05d82SGerd Hoffmann } while (0) 31485e05d82SGerd Hoffmann 315f1ae32a1SGerd Hoffmann typedef enum EPType { 316f1ae32a1SGerd Hoffmann ET_INVALID = 0, 317f1ae32a1SGerd Hoffmann ET_ISO_OUT, 318f1ae32a1SGerd Hoffmann ET_BULK_OUT, 319f1ae32a1SGerd Hoffmann ET_INTR_OUT, 320f1ae32a1SGerd Hoffmann ET_CONTROL, 321f1ae32a1SGerd Hoffmann ET_ISO_IN, 322f1ae32a1SGerd Hoffmann ET_BULK_IN, 323f1ae32a1SGerd Hoffmann ET_INTR_IN, 324f1ae32a1SGerd Hoffmann } EPType; 325f1ae32a1SGerd Hoffmann 326f1ae32a1SGerd Hoffmann typedef struct XHCIRing { 32759a70ccdSDavid Gibson dma_addr_t base; 32859a70ccdSDavid Gibson dma_addr_t dequeue; 329f1ae32a1SGerd Hoffmann bool ccs; 330f1ae32a1SGerd Hoffmann } XHCIRing; 331f1ae32a1SGerd Hoffmann 332f1ae32a1SGerd Hoffmann typedef struct XHCIPort { 3331d8a4e69SGerd Hoffmann XHCIState *xhci; 334f1ae32a1SGerd Hoffmann uint32_t portsc; 3350846e635SGerd Hoffmann uint32_t portnr; 3360846e635SGerd Hoffmann USBPort *uport; 3370846e635SGerd Hoffmann uint32_t speedmask; 3381d8a4e69SGerd Hoffmann char name[16]; 3391d8a4e69SGerd Hoffmann MemoryRegion mem; 340f1ae32a1SGerd Hoffmann } XHCIPort; 341f1ae32a1SGerd Hoffmann 342f1ae32a1SGerd Hoffmann typedef struct XHCITransfer { 343f1ae32a1SGerd Hoffmann XHCIState *xhci; 344f1ae32a1SGerd Hoffmann USBPacket packet; 345d5a15814SGerd Hoffmann QEMUSGList sgl; 346f1ae32a1SGerd Hoffmann bool running_async; 347f1ae32a1SGerd Hoffmann bool running_retry; 348f1ae32a1SGerd Hoffmann bool cancelled; 349f1ae32a1SGerd Hoffmann bool complete; 350a6fb2ddbSHans de Goede bool int_req; 351f1ae32a1SGerd Hoffmann unsigned int iso_pkts; 352f1ae32a1SGerd Hoffmann unsigned int slotid; 353f1ae32a1SGerd Hoffmann unsigned int epid; 354f1ae32a1SGerd Hoffmann bool in_xfer; 355f1ae32a1SGerd Hoffmann bool iso_xfer; 356f1ae32a1SGerd Hoffmann 357f1ae32a1SGerd Hoffmann unsigned int trb_count; 358f1ae32a1SGerd Hoffmann unsigned int trb_alloced; 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; 368f1ae32a1SGerd Hoffmann } XHCITransfer; 369f1ae32a1SGerd Hoffmann 370f1ae32a1SGerd Hoffmann typedef struct XHCIEPContext { 3713d139684SGerd Hoffmann XHCIState *xhci; 3723d139684SGerd Hoffmann unsigned int slotid; 3733d139684SGerd Hoffmann unsigned int epid; 3743d139684SGerd Hoffmann 375f1ae32a1SGerd Hoffmann XHCIRing ring; 376f1ae32a1SGerd Hoffmann unsigned int next_xfer; 377f1ae32a1SGerd Hoffmann unsigned int comp_xfer; 378f1ae32a1SGerd Hoffmann XHCITransfer transfers[TD_QUEUE]; 379f1ae32a1SGerd Hoffmann XHCITransfer *retry; 380f1ae32a1SGerd Hoffmann EPType type; 38159a70ccdSDavid Gibson dma_addr_t pctx; 382f1ae32a1SGerd Hoffmann unsigned int max_psize; 383f1ae32a1SGerd Hoffmann uint32_t state; 3843d139684SGerd Hoffmann 3853d139684SGerd Hoffmann /* iso xfer scheduling */ 3863d139684SGerd Hoffmann unsigned int interval; 3873d139684SGerd Hoffmann int64_t mfindex_last; 3883d139684SGerd Hoffmann QEMUTimer *kick_timer; 389f1ae32a1SGerd Hoffmann } XHCIEPContext; 390f1ae32a1SGerd Hoffmann 391f1ae32a1SGerd Hoffmann typedef struct XHCISlot { 392f1ae32a1SGerd Hoffmann bool enabled; 39359a70ccdSDavid Gibson dma_addr_t ctx; 394ccaf87a0SGerd Hoffmann USBPort *uport; 395f1ae32a1SGerd Hoffmann unsigned int devaddr; 396f1ae32a1SGerd Hoffmann XHCIEPContext * eps[31]; 397f1ae32a1SGerd Hoffmann } XHCISlot; 398f1ae32a1SGerd Hoffmann 399f1ae32a1SGerd Hoffmann typedef struct XHCIEvent { 400f1ae32a1SGerd Hoffmann TRBType type; 401f1ae32a1SGerd Hoffmann TRBCCode ccode; 402f1ae32a1SGerd Hoffmann uint64_t ptr; 403f1ae32a1SGerd Hoffmann uint32_t length; 404f1ae32a1SGerd Hoffmann uint32_t flags; 405f1ae32a1SGerd Hoffmann uint8_t slotid; 406f1ae32a1SGerd Hoffmann uint8_t epid; 407f1ae32a1SGerd Hoffmann } XHCIEvent; 408f1ae32a1SGerd Hoffmann 409962d11e1SGerd Hoffmann typedef struct XHCIInterrupter { 410962d11e1SGerd Hoffmann uint32_t iman; 411962d11e1SGerd Hoffmann uint32_t imod; 412962d11e1SGerd Hoffmann uint32_t erstsz; 413962d11e1SGerd Hoffmann uint32_t erstba_low; 414962d11e1SGerd Hoffmann uint32_t erstba_high; 415962d11e1SGerd Hoffmann uint32_t erdp_low; 416962d11e1SGerd Hoffmann uint32_t erdp_high; 417962d11e1SGerd Hoffmann 418962d11e1SGerd Hoffmann bool msix_used, er_pcs, er_full; 419962d11e1SGerd Hoffmann 420962d11e1SGerd Hoffmann dma_addr_t er_start; 421962d11e1SGerd Hoffmann uint32_t er_size; 422962d11e1SGerd Hoffmann unsigned int er_ep_idx; 423962d11e1SGerd Hoffmann 424962d11e1SGerd Hoffmann XHCIEvent ev_buffer[EV_QUEUE]; 425962d11e1SGerd Hoffmann unsigned int ev_buffer_put; 426962d11e1SGerd Hoffmann unsigned int ev_buffer_get; 427962d11e1SGerd Hoffmann 428962d11e1SGerd Hoffmann } XHCIInterrupter; 429962d11e1SGerd Hoffmann 430f1ae32a1SGerd Hoffmann struct XHCIState { 431f1ae32a1SGerd Hoffmann PCIDevice pci_dev; 432f1ae32a1SGerd Hoffmann USBBus bus; 433f1ae32a1SGerd Hoffmann qemu_irq irq; 434f1ae32a1SGerd Hoffmann MemoryRegion mem; 4351b067564SGerd Hoffmann MemoryRegion mem_cap; 4361b067564SGerd Hoffmann MemoryRegion mem_oper; 4371b067564SGerd Hoffmann MemoryRegion mem_runtime; 4381b067564SGerd Hoffmann MemoryRegion mem_doorbell; 439f1ae32a1SGerd Hoffmann const char *name; 440f1ae32a1SGerd Hoffmann unsigned int devaddr; 441f1ae32a1SGerd Hoffmann 4420846e635SGerd Hoffmann /* properties */ 4430846e635SGerd Hoffmann uint32_t numports_2; 4440846e635SGerd Hoffmann uint32_t numports_3; 44591062ae0SGerd Hoffmann uint32_t numintrs; 44691062ae0SGerd Hoffmann uint32_t numslots; 447c5e9b02dSGerd Hoffmann uint32_t flags; 4480846e635SGerd Hoffmann 449f1ae32a1SGerd Hoffmann /* Operational Registers */ 450f1ae32a1SGerd Hoffmann uint32_t usbcmd; 451f1ae32a1SGerd Hoffmann uint32_t usbsts; 452f1ae32a1SGerd Hoffmann uint32_t dnctrl; 453f1ae32a1SGerd Hoffmann uint32_t crcr_low; 454f1ae32a1SGerd Hoffmann uint32_t crcr_high; 455f1ae32a1SGerd Hoffmann uint32_t dcbaap_low; 456f1ae32a1SGerd Hoffmann uint32_t dcbaap_high; 457f1ae32a1SGerd Hoffmann uint32_t config; 458f1ae32a1SGerd Hoffmann 4590846e635SGerd Hoffmann USBPort uports[MAX(MAXPORTS_2, MAXPORTS_3)]; 460f1ae32a1SGerd Hoffmann XHCIPort ports[MAXPORTS]; 461f1ae32a1SGerd Hoffmann XHCISlot slots[MAXSLOTS]; 4620846e635SGerd Hoffmann uint32_t numports; 463f1ae32a1SGerd Hoffmann 464f1ae32a1SGerd Hoffmann /* Runtime Registers */ 46501546fa6SGerd Hoffmann int64_t mfindex_start; 46601546fa6SGerd Hoffmann QEMUTimer *mfwrap_timer; 467962d11e1SGerd Hoffmann XHCIInterrupter intr[MAXINTRS]; 468f1ae32a1SGerd Hoffmann 469f1ae32a1SGerd Hoffmann XHCIRing cmd_ring; 470f1ae32a1SGerd Hoffmann }; 471f1ae32a1SGerd Hoffmann 472f1ae32a1SGerd Hoffmann typedef struct XHCIEvRingSeg { 473f1ae32a1SGerd Hoffmann uint32_t addr_low; 474f1ae32a1SGerd Hoffmann uint32_t addr_high; 475f1ae32a1SGerd Hoffmann uint32_t size; 476f1ae32a1SGerd Hoffmann uint32_t rsvd; 477f1ae32a1SGerd Hoffmann } XHCIEvRingSeg; 478f1ae32a1SGerd Hoffmann 479c5e9b02dSGerd Hoffmann enum xhci_flags { 480c5e9b02dSGerd Hoffmann XHCI_FLAG_USE_MSI = 1, 4814c47f800SGerd Hoffmann XHCI_FLAG_USE_MSI_X, 482c5e9b02dSGerd Hoffmann }; 483c5e9b02dSGerd Hoffmann 48401546fa6SGerd Hoffmann static void xhci_kick_ep(XHCIState *xhci, unsigned int slotid, 48501546fa6SGerd Hoffmann unsigned int epid); 486962d11e1SGerd Hoffmann static void xhci_event(XHCIState *xhci, XHCIEvent *event, int v); 487962d11e1SGerd Hoffmann static void xhci_write_event(XHCIState *xhci, XHCIEvent *event, int v); 48801546fa6SGerd Hoffmann 489f1ae32a1SGerd Hoffmann static const char *TRBType_names[] = { 490f1ae32a1SGerd Hoffmann [TRB_RESERVED] = "TRB_RESERVED", 491f1ae32a1SGerd Hoffmann [TR_NORMAL] = "TR_NORMAL", 492f1ae32a1SGerd Hoffmann [TR_SETUP] = "TR_SETUP", 493f1ae32a1SGerd Hoffmann [TR_DATA] = "TR_DATA", 494f1ae32a1SGerd Hoffmann [TR_STATUS] = "TR_STATUS", 495f1ae32a1SGerd Hoffmann [TR_ISOCH] = "TR_ISOCH", 496f1ae32a1SGerd Hoffmann [TR_LINK] = "TR_LINK", 497f1ae32a1SGerd Hoffmann [TR_EVDATA] = "TR_EVDATA", 498f1ae32a1SGerd Hoffmann [TR_NOOP] = "TR_NOOP", 499f1ae32a1SGerd Hoffmann [CR_ENABLE_SLOT] = "CR_ENABLE_SLOT", 500f1ae32a1SGerd Hoffmann [CR_DISABLE_SLOT] = "CR_DISABLE_SLOT", 501f1ae32a1SGerd Hoffmann [CR_ADDRESS_DEVICE] = "CR_ADDRESS_DEVICE", 502f1ae32a1SGerd Hoffmann [CR_CONFIGURE_ENDPOINT] = "CR_CONFIGURE_ENDPOINT", 503f1ae32a1SGerd Hoffmann [CR_EVALUATE_CONTEXT] = "CR_EVALUATE_CONTEXT", 504f1ae32a1SGerd Hoffmann [CR_RESET_ENDPOINT] = "CR_RESET_ENDPOINT", 505f1ae32a1SGerd Hoffmann [CR_STOP_ENDPOINT] = "CR_STOP_ENDPOINT", 506f1ae32a1SGerd Hoffmann [CR_SET_TR_DEQUEUE] = "CR_SET_TR_DEQUEUE", 507f1ae32a1SGerd Hoffmann [CR_RESET_DEVICE] = "CR_RESET_DEVICE", 508f1ae32a1SGerd Hoffmann [CR_FORCE_EVENT] = "CR_FORCE_EVENT", 509f1ae32a1SGerd Hoffmann [CR_NEGOTIATE_BW] = "CR_NEGOTIATE_BW", 510f1ae32a1SGerd Hoffmann [CR_SET_LATENCY_TOLERANCE] = "CR_SET_LATENCY_TOLERANCE", 511f1ae32a1SGerd Hoffmann [CR_GET_PORT_BANDWIDTH] = "CR_GET_PORT_BANDWIDTH", 512f1ae32a1SGerd Hoffmann [CR_FORCE_HEADER] = "CR_FORCE_HEADER", 513f1ae32a1SGerd Hoffmann [CR_NOOP] = "CR_NOOP", 514f1ae32a1SGerd Hoffmann [ER_TRANSFER] = "ER_TRANSFER", 515f1ae32a1SGerd Hoffmann [ER_COMMAND_COMPLETE] = "ER_COMMAND_COMPLETE", 516f1ae32a1SGerd Hoffmann [ER_PORT_STATUS_CHANGE] = "ER_PORT_STATUS_CHANGE", 517f1ae32a1SGerd Hoffmann [ER_BANDWIDTH_REQUEST] = "ER_BANDWIDTH_REQUEST", 518f1ae32a1SGerd Hoffmann [ER_DOORBELL] = "ER_DOORBELL", 519f1ae32a1SGerd Hoffmann [ER_HOST_CONTROLLER] = "ER_HOST_CONTROLLER", 520f1ae32a1SGerd Hoffmann [ER_DEVICE_NOTIFICATION] = "ER_DEVICE_NOTIFICATION", 521f1ae32a1SGerd Hoffmann [ER_MFINDEX_WRAP] = "ER_MFINDEX_WRAP", 522f1ae32a1SGerd Hoffmann [CR_VENDOR_VIA_CHALLENGE_RESPONSE] = "CR_VENDOR_VIA_CHALLENGE_RESPONSE", 523f1ae32a1SGerd Hoffmann [CR_VENDOR_NEC_FIRMWARE_REVISION] = "CR_VENDOR_NEC_FIRMWARE_REVISION", 524f1ae32a1SGerd Hoffmann [CR_VENDOR_NEC_CHALLENGE_RESPONSE] = "CR_VENDOR_NEC_CHALLENGE_RESPONSE", 525f1ae32a1SGerd Hoffmann }; 526f1ae32a1SGerd Hoffmann 527873123feSGerd Hoffmann static const char *TRBCCode_names[] = { 528873123feSGerd Hoffmann [CC_INVALID] = "CC_INVALID", 529873123feSGerd Hoffmann [CC_SUCCESS] = "CC_SUCCESS", 530873123feSGerd Hoffmann [CC_DATA_BUFFER_ERROR] = "CC_DATA_BUFFER_ERROR", 531873123feSGerd Hoffmann [CC_BABBLE_DETECTED] = "CC_BABBLE_DETECTED", 532873123feSGerd Hoffmann [CC_USB_TRANSACTION_ERROR] = "CC_USB_TRANSACTION_ERROR", 533873123feSGerd Hoffmann [CC_TRB_ERROR] = "CC_TRB_ERROR", 534873123feSGerd Hoffmann [CC_STALL_ERROR] = "CC_STALL_ERROR", 535873123feSGerd Hoffmann [CC_RESOURCE_ERROR] = "CC_RESOURCE_ERROR", 536873123feSGerd Hoffmann [CC_BANDWIDTH_ERROR] = "CC_BANDWIDTH_ERROR", 537873123feSGerd Hoffmann [CC_NO_SLOTS_ERROR] = "CC_NO_SLOTS_ERROR", 538873123feSGerd Hoffmann [CC_INVALID_STREAM_TYPE_ERROR] = "CC_INVALID_STREAM_TYPE_ERROR", 539873123feSGerd Hoffmann [CC_SLOT_NOT_ENABLED_ERROR] = "CC_SLOT_NOT_ENABLED_ERROR", 540873123feSGerd Hoffmann [CC_EP_NOT_ENABLED_ERROR] = "CC_EP_NOT_ENABLED_ERROR", 541873123feSGerd Hoffmann [CC_SHORT_PACKET] = "CC_SHORT_PACKET", 542873123feSGerd Hoffmann [CC_RING_UNDERRUN] = "CC_RING_UNDERRUN", 543873123feSGerd Hoffmann [CC_RING_OVERRUN] = "CC_RING_OVERRUN", 544873123feSGerd Hoffmann [CC_VF_ER_FULL] = "CC_VF_ER_FULL", 545873123feSGerd Hoffmann [CC_PARAMETER_ERROR] = "CC_PARAMETER_ERROR", 546873123feSGerd Hoffmann [CC_BANDWIDTH_OVERRUN] = "CC_BANDWIDTH_OVERRUN", 547873123feSGerd Hoffmann [CC_CONTEXT_STATE_ERROR] = "CC_CONTEXT_STATE_ERROR", 548873123feSGerd Hoffmann [CC_NO_PING_RESPONSE_ERROR] = "CC_NO_PING_RESPONSE_ERROR", 549873123feSGerd Hoffmann [CC_EVENT_RING_FULL_ERROR] = "CC_EVENT_RING_FULL_ERROR", 550873123feSGerd Hoffmann [CC_INCOMPATIBLE_DEVICE_ERROR] = "CC_INCOMPATIBLE_DEVICE_ERROR", 551873123feSGerd Hoffmann [CC_MISSED_SERVICE_ERROR] = "CC_MISSED_SERVICE_ERROR", 552873123feSGerd Hoffmann [CC_COMMAND_RING_STOPPED] = "CC_COMMAND_RING_STOPPED", 553873123feSGerd Hoffmann [CC_COMMAND_ABORTED] = "CC_COMMAND_ABORTED", 554873123feSGerd Hoffmann [CC_STOPPED] = "CC_STOPPED", 555873123feSGerd Hoffmann [CC_STOPPED_LENGTH_INVALID] = "CC_STOPPED_LENGTH_INVALID", 556873123feSGerd Hoffmann [CC_MAX_EXIT_LATENCY_TOO_LARGE_ERROR] 557873123feSGerd Hoffmann = "CC_MAX_EXIT_LATENCY_TOO_LARGE_ERROR", 558873123feSGerd Hoffmann [CC_ISOCH_BUFFER_OVERRUN] = "CC_ISOCH_BUFFER_OVERRUN", 559873123feSGerd Hoffmann [CC_EVENT_LOST_ERROR] = "CC_EVENT_LOST_ERROR", 560873123feSGerd Hoffmann [CC_UNDEFINED_ERROR] = "CC_UNDEFINED_ERROR", 561873123feSGerd Hoffmann [CC_INVALID_STREAM_ID_ERROR] = "CC_INVALID_STREAM_ID_ERROR", 562873123feSGerd Hoffmann [CC_SECONDARY_BANDWIDTH_ERROR] = "CC_SECONDARY_BANDWIDTH_ERROR", 563873123feSGerd Hoffmann [CC_SPLIT_TRANSACTION_ERROR] = "CC_SPLIT_TRANSACTION_ERROR", 564873123feSGerd Hoffmann }; 565873123feSGerd Hoffmann 566f1ae32a1SGerd Hoffmann static const char *lookup_name(uint32_t index, const char **list, uint32_t llen) 567f1ae32a1SGerd Hoffmann { 568f1ae32a1SGerd Hoffmann if (index >= llen || list[index] == NULL) { 569f1ae32a1SGerd Hoffmann return "???"; 570f1ae32a1SGerd Hoffmann } 571f1ae32a1SGerd Hoffmann return list[index]; 572f1ae32a1SGerd Hoffmann } 573f1ae32a1SGerd Hoffmann 574f1ae32a1SGerd Hoffmann static const char *trb_name(XHCITRB *trb) 575f1ae32a1SGerd Hoffmann { 576f1ae32a1SGerd Hoffmann return lookup_name(TRB_TYPE(*trb), TRBType_names, 577f1ae32a1SGerd Hoffmann ARRAY_SIZE(TRBType_names)); 578f1ae32a1SGerd Hoffmann } 579f1ae32a1SGerd Hoffmann 580873123feSGerd Hoffmann static const char *event_name(XHCIEvent *event) 581873123feSGerd Hoffmann { 582873123feSGerd Hoffmann return lookup_name(event->ccode, TRBCCode_names, 583873123feSGerd Hoffmann ARRAY_SIZE(TRBCCode_names)); 584873123feSGerd Hoffmann } 585873123feSGerd Hoffmann 58601546fa6SGerd Hoffmann static uint64_t xhci_mfindex_get(XHCIState *xhci) 58701546fa6SGerd Hoffmann { 58801546fa6SGerd Hoffmann int64_t now = qemu_get_clock_ns(vm_clock); 58901546fa6SGerd Hoffmann return (now - xhci->mfindex_start) / 125000; 59001546fa6SGerd Hoffmann } 59101546fa6SGerd Hoffmann 59201546fa6SGerd Hoffmann static void xhci_mfwrap_update(XHCIState *xhci) 59301546fa6SGerd Hoffmann { 59401546fa6SGerd Hoffmann const uint32_t bits = USBCMD_RS | USBCMD_EWE; 59501546fa6SGerd Hoffmann uint32_t mfindex, left; 59601546fa6SGerd Hoffmann int64_t now; 59701546fa6SGerd Hoffmann 59801546fa6SGerd Hoffmann if ((xhci->usbcmd & bits) == bits) { 59901546fa6SGerd Hoffmann now = qemu_get_clock_ns(vm_clock); 60001546fa6SGerd Hoffmann mfindex = ((now - xhci->mfindex_start) / 125000) & 0x3fff; 60101546fa6SGerd Hoffmann left = 0x4000 - mfindex; 60201546fa6SGerd Hoffmann qemu_mod_timer(xhci->mfwrap_timer, now + left * 125000); 60301546fa6SGerd Hoffmann } else { 60401546fa6SGerd Hoffmann qemu_del_timer(xhci->mfwrap_timer); 60501546fa6SGerd Hoffmann } 60601546fa6SGerd Hoffmann } 60701546fa6SGerd Hoffmann 60801546fa6SGerd Hoffmann static void xhci_mfwrap_timer(void *opaque) 60901546fa6SGerd Hoffmann { 61001546fa6SGerd Hoffmann XHCIState *xhci = opaque; 61101546fa6SGerd Hoffmann XHCIEvent wrap = { ER_MFINDEX_WRAP, CC_SUCCESS }; 61201546fa6SGerd Hoffmann 613962d11e1SGerd Hoffmann xhci_event(xhci, &wrap, 0); 61401546fa6SGerd Hoffmann xhci_mfwrap_update(xhci); 61501546fa6SGerd Hoffmann } 616f1ae32a1SGerd Hoffmann 61759a70ccdSDavid Gibson static inline dma_addr_t xhci_addr64(uint32_t low, uint32_t high) 618f1ae32a1SGerd Hoffmann { 61959a70ccdSDavid Gibson if (sizeof(dma_addr_t) == 4) { 620f1ae32a1SGerd Hoffmann return low; 62159a70ccdSDavid Gibson } else { 62259a70ccdSDavid Gibson return low | (((dma_addr_t)high << 16) << 16); 62359a70ccdSDavid Gibson } 624f1ae32a1SGerd Hoffmann } 625f1ae32a1SGerd Hoffmann 62659a70ccdSDavid Gibson static inline dma_addr_t xhci_mask64(uint64_t addr) 627f1ae32a1SGerd Hoffmann { 62859a70ccdSDavid Gibson if (sizeof(dma_addr_t) == 4) { 629f1ae32a1SGerd Hoffmann return addr & 0xffffffff; 63059a70ccdSDavid Gibson } else { 63159a70ccdSDavid Gibson return addr; 63259a70ccdSDavid Gibson } 633f1ae32a1SGerd Hoffmann } 634f1ae32a1SGerd Hoffmann 6350846e635SGerd Hoffmann static XHCIPort *xhci_lookup_port(XHCIState *xhci, struct USBPort *uport) 6360846e635SGerd Hoffmann { 6370846e635SGerd Hoffmann int index; 6380846e635SGerd Hoffmann 6390846e635SGerd Hoffmann if (!uport->dev) { 6400846e635SGerd Hoffmann return NULL; 6410846e635SGerd Hoffmann } 6420846e635SGerd Hoffmann switch (uport->dev->speed) { 6430846e635SGerd Hoffmann case USB_SPEED_LOW: 6440846e635SGerd Hoffmann case USB_SPEED_FULL: 6450846e635SGerd Hoffmann case USB_SPEED_HIGH: 6460846e635SGerd Hoffmann index = uport->index; 6470846e635SGerd Hoffmann break; 6480846e635SGerd Hoffmann case USB_SPEED_SUPER: 6490846e635SGerd Hoffmann index = uport->index + xhci->numports_2; 6500846e635SGerd Hoffmann break; 6510846e635SGerd Hoffmann default: 6520846e635SGerd Hoffmann return NULL; 6530846e635SGerd Hoffmann } 6540846e635SGerd Hoffmann return &xhci->ports[index]; 6550846e635SGerd Hoffmann } 6560846e635SGerd Hoffmann 6574c4abe7cSGerd Hoffmann static void xhci_intx_update(XHCIState *xhci) 658f1ae32a1SGerd Hoffmann { 659f1ae32a1SGerd Hoffmann int level = 0; 660f1ae32a1SGerd Hoffmann 6614c47f800SGerd Hoffmann if (msix_enabled(&xhci->pci_dev) || 6624c47f800SGerd Hoffmann msi_enabled(&xhci->pci_dev)) { 6634c4abe7cSGerd Hoffmann return; 6644c4abe7cSGerd Hoffmann } 6654c4abe7cSGerd Hoffmann 666962d11e1SGerd Hoffmann if (xhci->intr[0].iman & IMAN_IP && 667962d11e1SGerd Hoffmann xhci->intr[0].iman & IMAN_IE && 668215bff17SLai Jiangshan xhci->usbcmd & USBCMD_INTE) { 669f1ae32a1SGerd Hoffmann level = 1; 670f1ae32a1SGerd Hoffmann } 671f1ae32a1SGerd Hoffmann 6727acd279fSGerd Hoffmann trace_usb_xhci_irq_intx(level); 673f1ae32a1SGerd Hoffmann qemu_set_irq(xhci->irq, level); 674f1ae32a1SGerd Hoffmann } 6754c4abe7cSGerd Hoffmann 676962d11e1SGerd Hoffmann static void xhci_msix_update(XHCIState *xhci, int v) 6774c47f800SGerd Hoffmann { 6784c47f800SGerd Hoffmann bool enabled; 6794c47f800SGerd Hoffmann 6804c47f800SGerd Hoffmann if (!msix_enabled(&xhci->pci_dev)) { 6814c47f800SGerd Hoffmann return; 6824c47f800SGerd Hoffmann } 6834c47f800SGerd Hoffmann 684962d11e1SGerd Hoffmann enabled = xhci->intr[v].iman & IMAN_IE; 685962d11e1SGerd Hoffmann if (enabled == xhci->intr[v].msix_used) { 6864c47f800SGerd Hoffmann return; 6874c47f800SGerd Hoffmann } 6884c47f800SGerd Hoffmann 6894c47f800SGerd Hoffmann if (enabled) { 690962d11e1SGerd Hoffmann trace_usb_xhci_irq_msix_use(v); 691962d11e1SGerd Hoffmann msix_vector_use(&xhci->pci_dev, v); 692962d11e1SGerd Hoffmann xhci->intr[v].msix_used = true; 6934c47f800SGerd Hoffmann } else { 694962d11e1SGerd Hoffmann trace_usb_xhci_irq_msix_unuse(v); 695962d11e1SGerd Hoffmann msix_vector_unuse(&xhci->pci_dev, v); 696962d11e1SGerd Hoffmann xhci->intr[v].msix_used = false; 6974c47f800SGerd Hoffmann } 6984c47f800SGerd Hoffmann } 6994c47f800SGerd Hoffmann 700962d11e1SGerd Hoffmann static void xhci_intr_raise(XHCIState *xhci, int v) 7014c4abe7cSGerd Hoffmann { 702962d11e1SGerd Hoffmann xhci->intr[v].erdp_low |= ERDP_EHB; 703962d11e1SGerd Hoffmann xhci->intr[v].iman |= IMAN_IP; 7042cae4119SGerd Hoffmann xhci->usbsts |= USBSTS_EINT; 7052cae4119SGerd Hoffmann 706962d11e1SGerd Hoffmann if (!(xhci->intr[v].iman & IMAN_IE)) { 7074c4abe7cSGerd Hoffmann return; 7084c4abe7cSGerd Hoffmann } 7094c4abe7cSGerd Hoffmann 7104c4abe7cSGerd Hoffmann if (!(xhci->usbcmd & USBCMD_INTE)) { 7114c4abe7cSGerd Hoffmann return; 7124c4abe7cSGerd Hoffmann } 7134c4abe7cSGerd Hoffmann 7144c47f800SGerd Hoffmann if (msix_enabled(&xhci->pci_dev)) { 715962d11e1SGerd Hoffmann trace_usb_xhci_irq_msix(v); 716962d11e1SGerd Hoffmann msix_notify(&xhci->pci_dev, v); 7174c47f800SGerd Hoffmann return; 7184c47f800SGerd Hoffmann } 7194c47f800SGerd Hoffmann 7204c4abe7cSGerd Hoffmann if (msi_enabled(&xhci->pci_dev)) { 721962d11e1SGerd Hoffmann trace_usb_xhci_irq_msi(v); 722962d11e1SGerd Hoffmann msi_notify(&xhci->pci_dev, v); 7234c4abe7cSGerd Hoffmann return; 7244c4abe7cSGerd Hoffmann } 7254c4abe7cSGerd Hoffmann 726962d11e1SGerd Hoffmann if (v == 0) { 7274c4abe7cSGerd Hoffmann trace_usb_xhci_irq_intx(1); 7284c4abe7cSGerd Hoffmann qemu_set_irq(xhci->irq, 1); 729f1ae32a1SGerd Hoffmann } 730962d11e1SGerd Hoffmann } 731f1ae32a1SGerd Hoffmann 732f1ae32a1SGerd Hoffmann static inline int xhci_running(XHCIState *xhci) 733f1ae32a1SGerd Hoffmann { 734962d11e1SGerd Hoffmann return !(xhci->usbsts & USBSTS_HCH) && !xhci->intr[0].er_full; 735f1ae32a1SGerd Hoffmann } 736f1ae32a1SGerd Hoffmann 737f1ae32a1SGerd Hoffmann static void xhci_die(XHCIState *xhci) 738f1ae32a1SGerd Hoffmann { 739f1ae32a1SGerd Hoffmann xhci->usbsts |= USBSTS_HCE; 740f1ae32a1SGerd Hoffmann fprintf(stderr, "xhci: asserted controller error\n"); 741f1ae32a1SGerd Hoffmann } 742f1ae32a1SGerd Hoffmann 743962d11e1SGerd Hoffmann static void xhci_write_event(XHCIState *xhci, XHCIEvent *event, int v) 744f1ae32a1SGerd Hoffmann { 745962d11e1SGerd Hoffmann XHCIInterrupter *intr = &xhci->intr[v]; 746f1ae32a1SGerd Hoffmann XHCITRB ev_trb; 74759a70ccdSDavid Gibson dma_addr_t addr; 748f1ae32a1SGerd Hoffmann 749f1ae32a1SGerd Hoffmann ev_trb.parameter = cpu_to_le64(event->ptr); 750f1ae32a1SGerd Hoffmann ev_trb.status = cpu_to_le32(event->length | (event->ccode << 24)); 751f1ae32a1SGerd Hoffmann ev_trb.control = (event->slotid << 24) | (event->epid << 16) | 752f1ae32a1SGerd Hoffmann event->flags | (event->type << TRB_TYPE_SHIFT); 753962d11e1SGerd Hoffmann if (intr->er_pcs) { 754f1ae32a1SGerd Hoffmann ev_trb.control |= TRB_C; 755f1ae32a1SGerd Hoffmann } 756f1ae32a1SGerd Hoffmann ev_trb.control = cpu_to_le32(ev_trb.control); 757f1ae32a1SGerd Hoffmann 758962d11e1SGerd Hoffmann trace_usb_xhci_queue_event(v, intr->er_ep_idx, trb_name(&ev_trb), 759873123feSGerd Hoffmann event_name(event), ev_trb.parameter, 760873123feSGerd Hoffmann ev_trb.status, ev_trb.control); 761f1ae32a1SGerd Hoffmann 762962d11e1SGerd Hoffmann addr = intr->er_start + TRB_SIZE*intr->er_ep_idx; 76359a70ccdSDavid Gibson pci_dma_write(&xhci->pci_dev, addr, &ev_trb, TRB_SIZE); 764f1ae32a1SGerd Hoffmann 765962d11e1SGerd Hoffmann intr->er_ep_idx++; 766962d11e1SGerd Hoffmann if (intr->er_ep_idx >= intr->er_size) { 767962d11e1SGerd Hoffmann intr->er_ep_idx = 0; 768962d11e1SGerd Hoffmann intr->er_pcs = !intr->er_pcs; 769f1ae32a1SGerd Hoffmann } 770f1ae32a1SGerd Hoffmann } 771f1ae32a1SGerd Hoffmann 772962d11e1SGerd Hoffmann static void xhci_events_update(XHCIState *xhci, int v) 773f1ae32a1SGerd Hoffmann { 774962d11e1SGerd Hoffmann XHCIInterrupter *intr = &xhci->intr[v]; 77559a70ccdSDavid Gibson dma_addr_t erdp; 776f1ae32a1SGerd Hoffmann unsigned int dp_idx; 777f1ae32a1SGerd Hoffmann bool do_irq = 0; 778f1ae32a1SGerd Hoffmann 779f1ae32a1SGerd Hoffmann if (xhci->usbsts & USBSTS_HCH) { 780f1ae32a1SGerd Hoffmann return; 781f1ae32a1SGerd Hoffmann } 782f1ae32a1SGerd Hoffmann 783962d11e1SGerd Hoffmann erdp = xhci_addr64(intr->erdp_low, intr->erdp_high); 784962d11e1SGerd Hoffmann if (erdp < intr->er_start || 785962d11e1SGerd Hoffmann erdp >= (intr->er_start + TRB_SIZE*intr->er_size)) { 78659a70ccdSDavid Gibson fprintf(stderr, "xhci: ERDP out of bounds: "DMA_ADDR_FMT"\n", erdp); 787962d11e1SGerd Hoffmann fprintf(stderr, "xhci: ER[%d] at "DMA_ADDR_FMT" len %d\n", 788962d11e1SGerd Hoffmann v, intr->er_start, intr->er_size); 789f1ae32a1SGerd Hoffmann xhci_die(xhci); 790f1ae32a1SGerd Hoffmann return; 791f1ae32a1SGerd Hoffmann } 792962d11e1SGerd Hoffmann dp_idx = (erdp - intr->er_start) / TRB_SIZE; 793962d11e1SGerd Hoffmann assert(dp_idx < intr->er_size); 794f1ae32a1SGerd Hoffmann 795f1ae32a1SGerd Hoffmann /* NEC didn't read section 4.9.4 of the spec (v1.0 p139 top Note) and thus 796f1ae32a1SGerd Hoffmann * deadlocks when the ER is full. Hack it by holding off events until 797f1ae32a1SGerd Hoffmann * the driver decides to free at least half of the ring */ 798962d11e1SGerd Hoffmann if (intr->er_full) { 799962d11e1SGerd Hoffmann int er_free = dp_idx - intr->er_ep_idx; 800f1ae32a1SGerd Hoffmann if (er_free <= 0) { 801962d11e1SGerd Hoffmann er_free += intr->er_size; 802f1ae32a1SGerd Hoffmann } 803962d11e1SGerd Hoffmann if (er_free < (intr->er_size/2)) { 804f1ae32a1SGerd Hoffmann DPRINTF("xhci_events_update(): event ring still " 805f1ae32a1SGerd Hoffmann "more than half full (hack)\n"); 806f1ae32a1SGerd Hoffmann return; 807f1ae32a1SGerd Hoffmann } 808f1ae32a1SGerd Hoffmann } 809f1ae32a1SGerd Hoffmann 810962d11e1SGerd Hoffmann while (intr->ev_buffer_put != intr->ev_buffer_get) { 811962d11e1SGerd Hoffmann assert(intr->er_full); 812962d11e1SGerd Hoffmann if (((intr->er_ep_idx+1) % intr->er_size) == dp_idx) { 813f1ae32a1SGerd Hoffmann DPRINTF("xhci_events_update(): event ring full again\n"); 814f1ae32a1SGerd Hoffmann #ifndef ER_FULL_HACK 815f1ae32a1SGerd Hoffmann XHCIEvent full = {ER_HOST_CONTROLLER, CC_EVENT_RING_FULL_ERROR}; 816962d11e1SGerd Hoffmann xhci_write_event(xhci, &full, v); 817f1ae32a1SGerd Hoffmann #endif 818f1ae32a1SGerd Hoffmann do_irq = 1; 819f1ae32a1SGerd Hoffmann break; 820f1ae32a1SGerd Hoffmann } 821962d11e1SGerd Hoffmann XHCIEvent *event = &intr->ev_buffer[intr->ev_buffer_get]; 822962d11e1SGerd Hoffmann xhci_write_event(xhci, event, v); 823962d11e1SGerd Hoffmann intr->ev_buffer_get++; 824f1ae32a1SGerd Hoffmann do_irq = 1; 825962d11e1SGerd Hoffmann if (intr->ev_buffer_get == EV_QUEUE) { 826962d11e1SGerd Hoffmann intr->ev_buffer_get = 0; 827f1ae32a1SGerd Hoffmann } 828f1ae32a1SGerd Hoffmann } 829f1ae32a1SGerd Hoffmann 830f1ae32a1SGerd Hoffmann if (do_irq) { 831962d11e1SGerd Hoffmann xhci_intr_raise(xhci, v); 832f1ae32a1SGerd Hoffmann } 833f1ae32a1SGerd Hoffmann 834962d11e1SGerd Hoffmann if (intr->er_full && intr->ev_buffer_put == intr->ev_buffer_get) { 835f1ae32a1SGerd Hoffmann DPRINTF("xhci_events_update(): event ring no longer full\n"); 836962d11e1SGerd Hoffmann intr->er_full = 0; 837f1ae32a1SGerd Hoffmann } 838f1ae32a1SGerd Hoffmann } 839f1ae32a1SGerd Hoffmann 840962d11e1SGerd Hoffmann static void xhci_event(XHCIState *xhci, XHCIEvent *event, int v) 841f1ae32a1SGerd Hoffmann { 8422d1de850SGerd Hoffmann XHCIInterrupter *intr; 84359a70ccdSDavid Gibson dma_addr_t erdp; 844f1ae32a1SGerd Hoffmann unsigned int dp_idx; 845f1ae32a1SGerd Hoffmann 84691062ae0SGerd Hoffmann if (v >= xhci->numintrs) { 84791062ae0SGerd Hoffmann DPRINTF("intr nr out of range (%d >= %d)\n", v, xhci->numintrs); 8482d1de850SGerd Hoffmann return; 8492d1de850SGerd Hoffmann } 8502d1de850SGerd Hoffmann intr = &xhci->intr[v]; 8512d1de850SGerd Hoffmann 852962d11e1SGerd Hoffmann if (intr->er_full) { 853f1ae32a1SGerd Hoffmann DPRINTF("xhci_event(): ER full, queueing\n"); 854962d11e1SGerd Hoffmann if (((intr->ev_buffer_put+1) % EV_QUEUE) == intr->ev_buffer_get) { 855f1ae32a1SGerd Hoffmann fprintf(stderr, "xhci: event queue full, dropping event!\n"); 856f1ae32a1SGerd Hoffmann return; 857f1ae32a1SGerd Hoffmann } 858962d11e1SGerd Hoffmann intr->ev_buffer[intr->ev_buffer_put++] = *event; 859962d11e1SGerd Hoffmann if (intr->ev_buffer_put == EV_QUEUE) { 860962d11e1SGerd Hoffmann intr->ev_buffer_put = 0; 861f1ae32a1SGerd Hoffmann } 862f1ae32a1SGerd Hoffmann return; 863f1ae32a1SGerd Hoffmann } 864f1ae32a1SGerd Hoffmann 865962d11e1SGerd Hoffmann erdp = xhci_addr64(intr->erdp_low, intr->erdp_high); 866962d11e1SGerd Hoffmann if (erdp < intr->er_start || 867962d11e1SGerd Hoffmann erdp >= (intr->er_start + TRB_SIZE*intr->er_size)) { 86859a70ccdSDavid Gibson fprintf(stderr, "xhci: ERDP out of bounds: "DMA_ADDR_FMT"\n", erdp); 869962d11e1SGerd Hoffmann fprintf(stderr, "xhci: ER[%d] at "DMA_ADDR_FMT" len %d\n", 870962d11e1SGerd Hoffmann v, intr->er_start, intr->er_size); 871f1ae32a1SGerd Hoffmann xhci_die(xhci); 872f1ae32a1SGerd Hoffmann return; 873f1ae32a1SGerd Hoffmann } 874f1ae32a1SGerd Hoffmann 875962d11e1SGerd Hoffmann dp_idx = (erdp - intr->er_start) / TRB_SIZE; 876962d11e1SGerd Hoffmann assert(dp_idx < intr->er_size); 877f1ae32a1SGerd Hoffmann 878962d11e1SGerd Hoffmann if ((intr->er_ep_idx+1) % intr->er_size == dp_idx) { 879f1ae32a1SGerd Hoffmann DPRINTF("xhci_event(): ER full, queueing\n"); 880f1ae32a1SGerd Hoffmann #ifndef ER_FULL_HACK 881f1ae32a1SGerd Hoffmann XHCIEvent full = {ER_HOST_CONTROLLER, CC_EVENT_RING_FULL_ERROR}; 882f1ae32a1SGerd Hoffmann xhci_write_event(xhci, &full); 883f1ae32a1SGerd Hoffmann #endif 884962d11e1SGerd Hoffmann intr->er_full = 1; 885962d11e1SGerd Hoffmann if (((intr->ev_buffer_put+1) % EV_QUEUE) == intr->ev_buffer_get) { 886f1ae32a1SGerd Hoffmann fprintf(stderr, "xhci: event queue full, dropping event!\n"); 887f1ae32a1SGerd Hoffmann return; 888f1ae32a1SGerd Hoffmann } 889962d11e1SGerd Hoffmann intr->ev_buffer[intr->ev_buffer_put++] = *event; 890962d11e1SGerd Hoffmann if (intr->ev_buffer_put == EV_QUEUE) { 891962d11e1SGerd Hoffmann intr->ev_buffer_put = 0; 892f1ae32a1SGerd Hoffmann } 893f1ae32a1SGerd Hoffmann } else { 894962d11e1SGerd Hoffmann xhci_write_event(xhci, event, v); 895f1ae32a1SGerd Hoffmann } 896f1ae32a1SGerd Hoffmann 897962d11e1SGerd Hoffmann xhci_intr_raise(xhci, v); 898f1ae32a1SGerd Hoffmann } 899f1ae32a1SGerd Hoffmann 900f1ae32a1SGerd Hoffmann static void xhci_ring_init(XHCIState *xhci, XHCIRing *ring, 90159a70ccdSDavid Gibson dma_addr_t base) 902f1ae32a1SGerd Hoffmann { 903f1ae32a1SGerd Hoffmann ring->base = base; 904f1ae32a1SGerd Hoffmann ring->dequeue = base; 905f1ae32a1SGerd Hoffmann ring->ccs = 1; 906f1ae32a1SGerd Hoffmann } 907f1ae32a1SGerd Hoffmann 908f1ae32a1SGerd Hoffmann static TRBType xhci_ring_fetch(XHCIState *xhci, XHCIRing *ring, XHCITRB *trb, 90959a70ccdSDavid Gibson dma_addr_t *addr) 910f1ae32a1SGerd Hoffmann { 911f1ae32a1SGerd Hoffmann while (1) { 912f1ae32a1SGerd Hoffmann TRBType type; 91359a70ccdSDavid Gibson pci_dma_read(&xhci->pci_dev, ring->dequeue, trb, TRB_SIZE); 914f1ae32a1SGerd Hoffmann trb->addr = ring->dequeue; 915f1ae32a1SGerd Hoffmann trb->ccs = ring->ccs; 916f1ae32a1SGerd Hoffmann le64_to_cpus(&trb->parameter); 917f1ae32a1SGerd Hoffmann le32_to_cpus(&trb->status); 918f1ae32a1SGerd Hoffmann le32_to_cpus(&trb->control); 919f1ae32a1SGerd Hoffmann 9200703a4a7SGerd Hoffmann trace_usb_xhci_fetch_trb(ring->dequeue, trb_name(trb), 9210703a4a7SGerd Hoffmann trb->parameter, trb->status, trb->control); 922f1ae32a1SGerd Hoffmann 923f1ae32a1SGerd Hoffmann if ((trb->control & TRB_C) != ring->ccs) { 924f1ae32a1SGerd Hoffmann return 0; 925f1ae32a1SGerd Hoffmann } 926f1ae32a1SGerd Hoffmann 927f1ae32a1SGerd Hoffmann type = TRB_TYPE(*trb); 928f1ae32a1SGerd Hoffmann 929f1ae32a1SGerd Hoffmann if (type != TR_LINK) { 930f1ae32a1SGerd Hoffmann if (addr) { 931f1ae32a1SGerd Hoffmann *addr = ring->dequeue; 932f1ae32a1SGerd Hoffmann } 933f1ae32a1SGerd Hoffmann ring->dequeue += TRB_SIZE; 934f1ae32a1SGerd Hoffmann return type; 935f1ae32a1SGerd Hoffmann } else { 936f1ae32a1SGerd Hoffmann ring->dequeue = xhci_mask64(trb->parameter); 937f1ae32a1SGerd Hoffmann if (trb->control & TRB_LK_TC) { 938f1ae32a1SGerd Hoffmann ring->ccs = !ring->ccs; 939f1ae32a1SGerd Hoffmann } 940f1ae32a1SGerd Hoffmann } 941f1ae32a1SGerd Hoffmann } 942f1ae32a1SGerd Hoffmann } 943f1ae32a1SGerd Hoffmann 944f1ae32a1SGerd Hoffmann static int xhci_ring_chain_length(XHCIState *xhci, const XHCIRing *ring) 945f1ae32a1SGerd Hoffmann { 946f1ae32a1SGerd Hoffmann XHCITRB trb; 947f1ae32a1SGerd Hoffmann int length = 0; 94859a70ccdSDavid Gibson dma_addr_t dequeue = ring->dequeue; 949f1ae32a1SGerd Hoffmann bool ccs = ring->ccs; 950f1ae32a1SGerd Hoffmann /* hack to bundle together the two/three TDs that make a setup transfer */ 951f1ae32a1SGerd Hoffmann bool control_td_set = 0; 952f1ae32a1SGerd Hoffmann 953f1ae32a1SGerd Hoffmann while (1) { 954f1ae32a1SGerd Hoffmann TRBType type; 95559a70ccdSDavid Gibson pci_dma_read(&xhci->pci_dev, dequeue, &trb, TRB_SIZE); 956f1ae32a1SGerd Hoffmann le64_to_cpus(&trb.parameter); 957f1ae32a1SGerd Hoffmann le32_to_cpus(&trb.status); 958f1ae32a1SGerd Hoffmann le32_to_cpus(&trb.control); 959f1ae32a1SGerd Hoffmann 960f1ae32a1SGerd Hoffmann if ((trb.control & TRB_C) != ccs) { 961f1ae32a1SGerd Hoffmann return -length; 962f1ae32a1SGerd Hoffmann } 963f1ae32a1SGerd Hoffmann 964f1ae32a1SGerd Hoffmann type = TRB_TYPE(trb); 965f1ae32a1SGerd Hoffmann 966f1ae32a1SGerd Hoffmann if (type == TR_LINK) { 967f1ae32a1SGerd Hoffmann dequeue = xhci_mask64(trb.parameter); 968f1ae32a1SGerd Hoffmann if (trb.control & TRB_LK_TC) { 969f1ae32a1SGerd Hoffmann ccs = !ccs; 970f1ae32a1SGerd Hoffmann } 971f1ae32a1SGerd Hoffmann continue; 972f1ae32a1SGerd Hoffmann } 973f1ae32a1SGerd Hoffmann 974f1ae32a1SGerd Hoffmann length += 1; 975f1ae32a1SGerd Hoffmann dequeue += TRB_SIZE; 976f1ae32a1SGerd Hoffmann 977f1ae32a1SGerd Hoffmann if (type == TR_SETUP) { 978f1ae32a1SGerd Hoffmann control_td_set = 1; 979f1ae32a1SGerd Hoffmann } else if (type == TR_STATUS) { 980f1ae32a1SGerd Hoffmann control_td_set = 0; 981f1ae32a1SGerd Hoffmann } 982f1ae32a1SGerd Hoffmann 983f1ae32a1SGerd Hoffmann if (!control_td_set && !(trb.control & TRB_TR_CH)) { 984f1ae32a1SGerd Hoffmann return length; 985f1ae32a1SGerd Hoffmann } 986f1ae32a1SGerd Hoffmann } 987f1ae32a1SGerd Hoffmann } 988f1ae32a1SGerd Hoffmann 989962d11e1SGerd Hoffmann static void xhci_er_reset(XHCIState *xhci, int v) 990f1ae32a1SGerd Hoffmann { 991962d11e1SGerd Hoffmann XHCIInterrupter *intr = &xhci->intr[v]; 992f1ae32a1SGerd Hoffmann XHCIEvRingSeg seg; 993f1ae32a1SGerd Hoffmann 994e099ad4bSGerd Hoffmann if (intr->erstsz == 0) { 995e099ad4bSGerd Hoffmann /* disabled */ 996e099ad4bSGerd Hoffmann intr->er_start = 0; 997e099ad4bSGerd Hoffmann intr->er_size = 0; 998e099ad4bSGerd Hoffmann return; 999e099ad4bSGerd Hoffmann } 1000f1ae32a1SGerd Hoffmann /* cache the (sole) event ring segment location */ 1001962d11e1SGerd Hoffmann if (intr->erstsz != 1) { 1002962d11e1SGerd Hoffmann fprintf(stderr, "xhci: invalid value for ERSTSZ: %d\n", intr->erstsz); 1003f1ae32a1SGerd Hoffmann xhci_die(xhci); 1004f1ae32a1SGerd Hoffmann return; 1005f1ae32a1SGerd Hoffmann } 1006962d11e1SGerd Hoffmann dma_addr_t erstba = xhci_addr64(intr->erstba_low, intr->erstba_high); 100759a70ccdSDavid Gibson pci_dma_read(&xhci->pci_dev, erstba, &seg, sizeof(seg)); 1008f1ae32a1SGerd Hoffmann le32_to_cpus(&seg.addr_low); 1009f1ae32a1SGerd Hoffmann le32_to_cpus(&seg.addr_high); 1010f1ae32a1SGerd Hoffmann le32_to_cpus(&seg.size); 1011f1ae32a1SGerd Hoffmann if (seg.size < 16 || seg.size > 4096) { 1012f1ae32a1SGerd Hoffmann fprintf(stderr, "xhci: invalid value for segment size: %d\n", seg.size); 1013f1ae32a1SGerd Hoffmann xhci_die(xhci); 1014f1ae32a1SGerd Hoffmann return; 1015f1ae32a1SGerd Hoffmann } 1016962d11e1SGerd Hoffmann intr->er_start = xhci_addr64(seg.addr_low, seg.addr_high); 1017962d11e1SGerd Hoffmann intr->er_size = seg.size; 1018f1ae32a1SGerd Hoffmann 1019962d11e1SGerd Hoffmann intr->er_ep_idx = 0; 1020962d11e1SGerd Hoffmann intr->er_pcs = 1; 1021962d11e1SGerd Hoffmann intr->er_full = 0; 1022f1ae32a1SGerd Hoffmann 1023962d11e1SGerd Hoffmann DPRINTF("xhci: event ring[%d]:" DMA_ADDR_FMT " [%d]\n", 1024962d11e1SGerd Hoffmann v, intr->er_start, intr->er_size); 1025f1ae32a1SGerd Hoffmann } 1026f1ae32a1SGerd Hoffmann 1027f1ae32a1SGerd Hoffmann static void xhci_run(XHCIState *xhci) 1028f1ae32a1SGerd Hoffmann { 1029fc0ddacaSGerd Hoffmann trace_usb_xhci_run(); 1030f1ae32a1SGerd Hoffmann xhci->usbsts &= ~USBSTS_HCH; 103101546fa6SGerd Hoffmann xhci->mfindex_start = qemu_get_clock_ns(vm_clock); 1032f1ae32a1SGerd Hoffmann } 1033f1ae32a1SGerd Hoffmann 1034f1ae32a1SGerd Hoffmann static void xhci_stop(XHCIState *xhci) 1035f1ae32a1SGerd Hoffmann { 1036fc0ddacaSGerd Hoffmann trace_usb_xhci_stop(); 1037f1ae32a1SGerd Hoffmann xhci->usbsts |= USBSTS_HCH; 1038f1ae32a1SGerd Hoffmann xhci->crcr_low &= ~CRCR_CRR; 1039f1ae32a1SGerd Hoffmann } 1040f1ae32a1SGerd Hoffmann 1041f1ae32a1SGerd Hoffmann static void xhci_set_ep_state(XHCIState *xhci, XHCIEPContext *epctx, 1042f1ae32a1SGerd Hoffmann uint32_t state) 1043f1ae32a1SGerd Hoffmann { 1044f1ae32a1SGerd Hoffmann uint32_t ctx[5]; 1045f1ae32a1SGerd Hoffmann 104659a70ccdSDavid Gibson pci_dma_read(&xhci->pci_dev, epctx->pctx, ctx, sizeof(ctx)); 1047f1ae32a1SGerd Hoffmann ctx[0] &= ~EP_STATE_MASK; 1048f1ae32a1SGerd Hoffmann ctx[0] |= state; 1049f1ae32a1SGerd Hoffmann ctx[2] = epctx->ring.dequeue | epctx->ring.ccs; 1050f1ae32a1SGerd Hoffmann ctx[3] = (epctx->ring.dequeue >> 16) >> 16; 105159a70ccdSDavid Gibson DPRINTF("xhci: set epctx: " DMA_ADDR_FMT " state=%d dequeue=%08x%08x\n", 1052f1ae32a1SGerd Hoffmann epctx->pctx, state, ctx[3], ctx[2]); 105359a70ccdSDavid Gibson pci_dma_write(&xhci->pci_dev, epctx->pctx, ctx, sizeof(ctx)); 1054f1ae32a1SGerd Hoffmann epctx->state = state; 1055f1ae32a1SGerd Hoffmann } 1056f1ae32a1SGerd Hoffmann 10573d139684SGerd Hoffmann static void xhci_ep_kick_timer(void *opaque) 10583d139684SGerd Hoffmann { 10593d139684SGerd Hoffmann XHCIEPContext *epctx = opaque; 10603d139684SGerd Hoffmann xhci_kick_ep(epctx->xhci, epctx->slotid, epctx->epid); 10613d139684SGerd Hoffmann } 10623d139684SGerd Hoffmann 1063f1ae32a1SGerd Hoffmann static TRBCCode xhci_enable_ep(XHCIState *xhci, unsigned int slotid, 106459a70ccdSDavid Gibson unsigned int epid, dma_addr_t pctx, 1065f1ae32a1SGerd Hoffmann uint32_t *ctx) 1066f1ae32a1SGerd Hoffmann { 1067f1ae32a1SGerd Hoffmann XHCISlot *slot; 1068f1ae32a1SGerd Hoffmann XHCIEPContext *epctx; 106959a70ccdSDavid Gibson dma_addr_t dequeue; 1070f1ae32a1SGerd Hoffmann int i; 1071f1ae32a1SGerd Hoffmann 1072c1f6b493SGerd Hoffmann trace_usb_xhci_ep_enable(slotid, epid); 107391062ae0SGerd Hoffmann assert(slotid >= 1 && slotid <= xhci->numslots); 1074f1ae32a1SGerd Hoffmann assert(epid >= 1 && epid <= 31); 1075f1ae32a1SGerd Hoffmann 1076f1ae32a1SGerd Hoffmann slot = &xhci->slots[slotid-1]; 1077f1ae32a1SGerd Hoffmann if (slot->eps[epid-1]) { 1078f1ae32a1SGerd Hoffmann fprintf(stderr, "xhci: slot %d ep %d already enabled!\n", slotid, epid); 1079f1ae32a1SGerd Hoffmann return CC_TRB_ERROR; 1080f1ae32a1SGerd Hoffmann } 1081f1ae32a1SGerd Hoffmann 1082f1ae32a1SGerd Hoffmann epctx = g_malloc(sizeof(XHCIEPContext)); 1083f1ae32a1SGerd Hoffmann memset(epctx, 0, sizeof(XHCIEPContext)); 10843d139684SGerd Hoffmann epctx->xhci = xhci; 10853d139684SGerd Hoffmann epctx->slotid = slotid; 10863d139684SGerd Hoffmann epctx->epid = epid; 1087f1ae32a1SGerd Hoffmann 1088f1ae32a1SGerd Hoffmann slot->eps[epid-1] = epctx; 1089f1ae32a1SGerd Hoffmann 1090f1ae32a1SGerd Hoffmann dequeue = xhci_addr64(ctx[2] & ~0xf, ctx[3]); 1091f1ae32a1SGerd Hoffmann xhci_ring_init(xhci, &epctx->ring, dequeue); 1092f1ae32a1SGerd Hoffmann epctx->ring.ccs = ctx[2] & 1; 1093f1ae32a1SGerd Hoffmann 1094f1ae32a1SGerd Hoffmann epctx->type = (ctx[1] >> EP_TYPE_SHIFT) & EP_TYPE_MASK; 1095f1ae32a1SGerd Hoffmann DPRINTF("xhci: endpoint %d.%d type is %d\n", epid/2, epid%2, epctx->type); 1096f1ae32a1SGerd Hoffmann epctx->pctx = pctx; 1097f1ae32a1SGerd Hoffmann epctx->max_psize = ctx[1]>>16; 1098f1ae32a1SGerd Hoffmann epctx->max_psize *= 1+((ctx[1]>>8)&0xff); 1099f1ae32a1SGerd Hoffmann DPRINTF("xhci: endpoint %d.%d max transaction (burst) size is %d\n", 1100f1ae32a1SGerd Hoffmann epid/2, epid%2, epctx->max_psize); 1101f1ae32a1SGerd Hoffmann for (i = 0; i < ARRAY_SIZE(epctx->transfers); i++) { 1102f1ae32a1SGerd Hoffmann usb_packet_init(&epctx->transfers[i].packet); 1103f1ae32a1SGerd Hoffmann } 1104f1ae32a1SGerd Hoffmann 11053d139684SGerd Hoffmann epctx->interval = 1 << (ctx[0] >> 16) & 0xff; 11063d139684SGerd Hoffmann epctx->mfindex_last = 0; 11073d139684SGerd Hoffmann epctx->kick_timer = qemu_new_timer_ns(vm_clock, xhci_ep_kick_timer, epctx); 11083d139684SGerd Hoffmann 1109f1ae32a1SGerd Hoffmann epctx->state = EP_RUNNING; 1110f1ae32a1SGerd Hoffmann ctx[0] &= ~EP_STATE_MASK; 1111f1ae32a1SGerd Hoffmann ctx[0] |= EP_RUNNING; 1112f1ae32a1SGerd Hoffmann 1113f1ae32a1SGerd Hoffmann return CC_SUCCESS; 1114f1ae32a1SGerd Hoffmann } 1115f1ae32a1SGerd Hoffmann 11163151f209SHans de Goede static int xhci_ep_nuke_one_xfer(XHCITransfer *t) 11173151f209SHans de Goede { 11183151f209SHans de Goede int killed = 0; 11193151f209SHans de Goede 11203151f209SHans de Goede if (t->running_async) { 11213151f209SHans de Goede usb_cancel_packet(&t->packet); 11223151f209SHans de Goede t->running_async = 0; 11233151f209SHans de Goede t->cancelled = 1; 11243151f209SHans de Goede DPRINTF("xhci: cancelling transfer, waiting for it to complete\n"); 11253151f209SHans de Goede killed = 1; 11263151f209SHans de Goede } 11273151f209SHans de Goede if (t->running_retry) { 11283151f209SHans de Goede XHCIEPContext *epctx = t->xhci->slots[t->slotid-1].eps[t->epid-1]; 11293151f209SHans de Goede if (epctx) { 11303151f209SHans de Goede epctx->retry = NULL; 11313151f209SHans de Goede qemu_del_timer(epctx->kick_timer); 11323151f209SHans de Goede } 11333151f209SHans de Goede t->running_retry = 0; 11343151f209SHans de Goede } 11353151f209SHans de Goede if (t->trbs) { 11363151f209SHans de Goede g_free(t->trbs); 11373151f209SHans de Goede } 11383151f209SHans de Goede 11393151f209SHans de Goede t->trbs = NULL; 11403151f209SHans de Goede t->trb_count = t->trb_alloced = 0; 11413151f209SHans de Goede 11423151f209SHans de Goede return killed; 11433151f209SHans de Goede } 11443151f209SHans de Goede 1145f1ae32a1SGerd Hoffmann static int xhci_ep_nuke_xfers(XHCIState *xhci, unsigned int slotid, 1146f1ae32a1SGerd Hoffmann unsigned int epid) 1147f1ae32a1SGerd Hoffmann { 1148f1ae32a1SGerd Hoffmann XHCISlot *slot; 1149f1ae32a1SGerd Hoffmann XHCIEPContext *epctx; 1150f1ae32a1SGerd Hoffmann int i, xferi, killed = 0; 115191062ae0SGerd Hoffmann assert(slotid >= 1 && slotid <= xhci->numslots); 1152f1ae32a1SGerd Hoffmann assert(epid >= 1 && epid <= 31); 1153f1ae32a1SGerd Hoffmann 1154f1ae32a1SGerd Hoffmann DPRINTF("xhci_ep_nuke_xfers(%d, %d)\n", slotid, epid); 1155f1ae32a1SGerd Hoffmann 1156f1ae32a1SGerd Hoffmann slot = &xhci->slots[slotid-1]; 1157f1ae32a1SGerd Hoffmann 1158f1ae32a1SGerd Hoffmann if (!slot->eps[epid-1]) { 1159f1ae32a1SGerd Hoffmann return 0; 1160f1ae32a1SGerd Hoffmann } 1161f1ae32a1SGerd Hoffmann 1162f1ae32a1SGerd Hoffmann epctx = slot->eps[epid-1]; 1163f1ae32a1SGerd Hoffmann 1164f1ae32a1SGerd Hoffmann xferi = epctx->next_xfer; 1165f1ae32a1SGerd Hoffmann for (i = 0; i < TD_QUEUE; i++) { 11663151f209SHans de Goede killed += xhci_ep_nuke_one_xfer(&epctx->transfers[xferi]); 1167f1ae32a1SGerd Hoffmann xferi = (xferi + 1) % TD_QUEUE; 1168f1ae32a1SGerd Hoffmann } 1169f1ae32a1SGerd Hoffmann return killed; 1170f1ae32a1SGerd Hoffmann } 1171f1ae32a1SGerd Hoffmann 1172f1ae32a1SGerd Hoffmann static TRBCCode xhci_disable_ep(XHCIState *xhci, unsigned int slotid, 1173f1ae32a1SGerd Hoffmann unsigned int epid) 1174f1ae32a1SGerd Hoffmann { 1175f1ae32a1SGerd Hoffmann XHCISlot *slot; 1176f1ae32a1SGerd Hoffmann XHCIEPContext *epctx; 1177f1ae32a1SGerd Hoffmann 1178c1f6b493SGerd Hoffmann trace_usb_xhci_ep_disable(slotid, epid); 117991062ae0SGerd Hoffmann assert(slotid >= 1 && slotid <= xhci->numslots); 1180f1ae32a1SGerd Hoffmann assert(epid >= 1 && epid <= 31); 1181f1ae32a1SGerd Hoffmann 1182f1ae32a1SGerd Hoffmann slot = &xhci->slots[slotid-1]; 1183f1ae32a1SGerd Hoffmann 1184f1ae32a1SGerd Hoffmann if (!slot->eps[epid-1]) { 1185f1ae32a1SGerd Hoffmann DPRINTF("xhci: slot %d ep %d already disabled\n", slotid, epid); 1186f1ae32a1SGerd Hoffmann return CC_SUCCESS; 1187f1ae32a1SGerd Hoffmann } 1188f1ae32a1SGerd Hoffmann 1189f1ae32a1SGerd Hoffmann xhci_ep_nuke_xfers(xhci, slotid, epid); 1190f1ae32a1SGerd Hoffmann 1191f1ae32a1SGerd Hoffmann epctx = slot->eps[epid-1]; 1192f1ae32a1SGerd Hoffmann 1193f1ae32a1SGerd Hoffmann xhci_set_ep_state(xhci, epctx, EP_DISABLED); 1194f1ae32a1SGerd Hoffmann 11953d139684SGerd Hoffmann qemu_free_timer(epctx->kick_timer); 1196f1ae32a1SGerd Hoffmann g_free(epctx); 1197f1ae32a1SGerd Hoffmann slot->eps[epid-1] = NULL; 1198f1ae32a1SGerd Hoffmann 1199f1ae32a1SGerd Hoffmann return CC_SUCCESS; 1200f1ae32a1SGerd Hoffmann } 1201f1ae32a1SGerd Hoffmann 1202f1ae32a1SGerd Hoffmann static TRBCCode xhci_stop_ep(XHCIState *xhci, unsigned int slotid, 1203f1ae32a1SGerd Hoffmann unsigned int epid) 1204f1ae32a1SGerd Hoffmann { 1205f1ae32a1SGerd Hoffmann XHCISlot *slot; 1206f1ae32a1SGerd Hoffmann XHCIEPContext *epctx; 1207f1ae32a1SGerd Hoffmann 1208c1f6b493SGerd Hoffmann trace_usb_xhci_ep_stop(slotid, epid); 120991062ae0SGerd Hoffmann assert(slotid >= 1 && slotid <= xhci->numslots); 1210f1ae32a1SGerd Hoffmann 1211f1ae32a1SGerd Hoffmann if (epid < 1 || epid > 31) { 1212f1ae32a1SGerd Hoffmann fprintf(stderr, "xhci: bad ep %d\n", epid); 1213f1ae32a1SGerd Hoffmann return CC_TRB_ERROR; 1214f1ae32a1SGerd Hoffmann } 1215f1ae32a1SGerd Hoffmann 1216f1ae32a1SGerd Hoffmann slot = &xhci->slots[slotid-1]; 1217f1ae32a1SGerd Hoffmann 1218f1ae32a1SGerd Hoffmann if (!slot->eps[epid-1]) { 1219f1ae32a1SGerd Hoffmann DPRINTF("xhci: slot %d ep %d not enabled\n", slotid, epid); 1220f1ae32a1SGerd Hoffmann return CC_EP_NOT_ENABLED_ERROR; 1221f1ae32a1SGerd Hoffmann } 1222f1ae32a1SGerd Hoffmann 1223f1ae32a1SGerd Hoffmann if (xhci_ep_nuke_xfers(xhci, slotid, epid) > 0) { 1224f1ae32a1SGerd Hoffmann fprintf(stderr, "xhci: FIXME: endpoint stopped w/ xfers running, " 1225f1ae32a1SGerd Hoffmann "data might be lost\n"); 1226f1ae32a1SGerd Hoffmann } 1227f1ae32a1SGerd Hoffmann 1228f1ae32a1SGerd Hoffmann epctx = slot->eps[epid-1]; 1229f1ae32a1SGerd Hoffmann 1230f1ae32a1SGerd Hoffmann xhci_set_ep_state(xhci, epctx, EP_STOPPED); 1231f1ae32a1SGerd Hoffmann 1232f1ae32a1SGerd Hoffmann return CC_SUCCESS; 1233f1ae32a1SGerd Hoffmann } 1234f1ae32a1SGerd Hoffmann 1235f1ae32a1SGerd Hoffmann static TRBCCode xhci_reset_ep(XHCIState *xhci, unsigned int slotid, 1236f1ae32a1SGerd Hoffmann unsigned int epid) 1237f1ae32a1SGerd Hoffmann { 1238f1ae32a1SGerd Hoffmann XHCISlot *slot; 1239f1ae32a1SGerd Hoffmann XHCIEPContext *epctx; 1240f1ae32a1SGerd Hoffmann USBDevice *dev; 1241f1ae32a1SGerd Hoffmann 1242c1f6b493SGerd Hoffmann trace_usb_xhci_ep_reset(slotid, epid); 124391062ae0SGerd Hoffmann assert(slotid >= 1 && slotid <= xhci->numslots); 1244f1ae32a1SGerd Hoffmann 1245f1ae32a1SGerd Hoffmann if (epid < 1 || epid > 31) { 1246f1ae32a1SGerd Hoffmann fprintf(stderr, "xhci: bad ep %d\n", epid); 1247f1ae32a1SGerd Hoffmann return CC_TRB_ERROR; 1248f1ae32a1SGerd Hoffmann } 1249f1ae32a1SGerd Hoffmann 1250f1ae32a1SGerd Hoffmann slot = &xhci->slots[slotid-1]; 1251f1ae32a1SGerd Hoffmann 1252f1ae32a1SGerd Hoffmann if (!slot->eps[epid-1]) { 1253f1ae32a1SGerd Hoffmann DPRINTF("xhci: slot %d ep %d not enabled\n", slotid, epid); 1254f1ae32a1SGerd Hoffmann return CC_EP_NOT_ENABLED_ERROR; 1255f1ae32a1SGerd Hoffmann } 1256f1ae32a1SGerd Hoffmann 1257f1ae32a1SGerd Hoffmann epctx = slot->eps[epid-1]; 1258f1ae32a1SGerd Hoffmann 1259f1ae32a1SGerd Hoffmann if (epctx->state != EP_HALTED) { 1260f1ae32a1SGerd Hoffmann fprintf(stderr, "xhci: reset EP while EP %d not halted (%d)\n", 1261f1ae32a1SGerd Hoffmann epid, epctx->state); 1262f1ae32a1SGerd Hoffmann return CC_CONTEXT_STATE_ERROR; 1263f1ae32a1SGerd Hoffmann } 1264f1ae32a1SGerd Hoffmann 1265f1ae32a1SGerd Hoffmann if (xhci_ep_nuke_xfers(xhci, slotid, epid) > 0) { 1266f1ae32a1SGerd Hoffmann fprintf(stderr, "xhci: FIXME: endpoint reset w/ xfers running, " 1267f1ae32a1SGerd Hoffmann "data might be lost\n"); 1268f1ae32a1SGerd Hoffmann } 1269f1ae32a1SGerd Hoffmann 1270f1ae32a1SGerd Hoffmann uint8_t ep = epid>>1; 1271f1ae32a1SGerd Hoffmann 1272f1ae32a1SGerd Hoffmann if (epid & 1) { 1273f1ae32a1SGerd Hoffmann ep |= 0x80; 1274f1ae32a1SGerd Hoffmann } 1275f1ae32a1SGerd Hoffmann 1276ccaf87a0SGerd Hoffmann dev = xhci->slots[slotid-1].uport->dev; 1277f1ae32a1SGerd Hoffmann if (!dev) { 1278f1ae32a1SGerd Hoffmann return CC_USB_TRANSACTION_ERROR; 1279f1ae32a1SGerd Hoffmann } 1280f1ae32a1SGerd Hoffmann 1281f1ae32a1SGerd Hoffmann xhci_set_ep_state(xhci, epctx, EP_STOPPED); 1282f1ae32a1SGerd Hoffmann 1283f1ae32a1SGerd Hoffmann return CC_SUCCESS; 1284f1ae32a1SGerd Hoffmann } 1285f1ae32a1SGerd Hoffmann 1286f1ae32a1SGerd Hoffmann static TRBCCode xhci_set_ep_dequeue(XHCIState *xhci, unsigned int slotid, 1287f1ae32a1SGerd Hoffmann unsigned int epid, uint64_t pdequeue) 1288f1ae32a1SGerd Hoffmann { 1289f1ae32a1SGerd Hoffmann XHCISlot *slot; 1290f1ae32a1SGerd Hoffmann XHCIEPContext *epctx; 129159a70ccdSDavid Gibson dma_addr_t dequeue; 1292f1ae32a1SGerd Hoffmann 129391062ae0SGerd Hoffmann assert(slotid >= 1 && slotid <= xhci->numslots); 1294f1ae32a1SGerd Hoffmann 1295f1ae32a1SGerd Hoffmann if (epid < 1 || epid > 31) { 1296f1ae32a1SGerd Hoffmann fprintf(stderr, "xhci: bad ep %d\n", epid); 1297f1ae32a1SGerd Hoffmann return CC_TRB_ERROR; 1298f1ae32a1SGerd Hoffmann } 1299f1ae32a1SGerd Hoffmann 1300d829fde9SGerd Hoffmann trace_usb_xhci_ep_set_dequeue(slotid, epid, pdequeue); 1301f1ae32a1SGerd Hoffmann dequeue = xhci_mask64(pdequeue); 1302f1ae32a1SGerd Hoffmann 1303f1ae32a1SGerd Hoffmann slot = &xhci->slots[slotid-1]; 1304f1ae32a1SGerd Hoffmann 1305f1ae32a1SGerd Hoffmann if (!slot->eps[epid-1]) { 1306f1ae32a1SGerd Hoffmann DPRINTF("xhci: slot %d ep %d not enabled\n", slotid, epid); 1307f1ae32a1SGerd Hoffmann return CC_EP_NOT_ENABLED_ERROR; 1308f1ae32a1SGerd Hoffmann } 1309f1ae32a1SGerd Hoffmann 1310f1ae32a1SGerd Hoffmann epctx = slot->eps[epid-1]; 1311f1ae32a1SGerd Hoffmann 1312f1ae32a1SGerd Hoffmann 1313f1ae32a1SGerd Hoffmann if (epctx->state != EP_STOPPED) { 1314f1ae32a1SGerd Hoffmann fprintf(stderr, "xhci: set EP dequeue pointer while EP %d not stopped\n", epid); 1315f1ae32a1SGerd Hoffmann return CC_CONTEXT_STATE_ERROR; 1316f1ae32a1SGerd Hoffmann } 1317f1ae32a1SGerd Hoffmann 1318f1ae32a1SGerd Hoffmann xhci_ring_init(xhci, &epctx->ring, dequeue & ~0xF); 1319f1ae32a1SGerd Hoffmann epctx->ring.ccs = dequeue & 1; 1320f1ae32a1SGerd Hoffmann 1321f1ae32a1SGerd Hoffmann xhci_set_ep_state(xhci, epctx, EP_STOPPED); 1322f1ae32a1SGerd Hoffmann 1323f1ae32a1SGerd Hoffmann return CC_SUCCESS; 1324f1ae32a1SGerd Hoffmann } 1325f1ae32a1SGerd Hoffmann 1326a6fb2ddbSHans de Goede static int xhci_xfer_create_sgl(XHCITransfer *xfer, int in_xfer) 1327f1ae32a1SGerd Hoffmann { 1328f1ae32a1SGerd Hoffmann XHCIState *xhci = xfer->xhci; 1329d5a15814SGerd Hoffmann int i; 1330f1ae32a1SGerd Hoffmann 1331a6fb2ddbSHans de Goede xfer->int_req = false; 1332d5a15814SGerd Hoffmann pci_dma_sglist_init(&xfer->sgl, &xhci->pci_dev, xfer->trb_count); 1333f1ae32a1SGerd Hoffmann for (i = 0; i < xfer->trb_count; i++) { 1334f1ae32a1SGerd Hoffmann XHCITRB *trb = &xfer->trbs[i]; 133559a70ccdSDavid Gibson dma_addr_t addr; 1336f1ae32a1SGerd Hoffmann unsigned int chunk = 0; 1337f1ae32a1SGerd Hoffmann 1338a6fb2ddbSHans de Goede if (trb->control & TRB_TR_IOC) { 1339a6fb2ddbSHans de Goede xfer->int_req = true; 1340a6fb2ddbSHans de Goede } 1341a6fb2ddbSHans de Goede 1342f1ae32a1SGerd Hoffmann switch (TRB_TYPE(*trb)) { 1343f1ae32a1SGerd Hoffmann case TR_DATA: 1344f1ae32a1SGerd Hoffmann if ((!(trb->control & TRB_TR_DIR)) != (!in_xfer)) { 1345f1ae32a1SGerd Hoffmann fprintf(stderr, "xhci: data direction mismatch for TR_DATA\n"); 1346d5a15814SGerd Hoffmann goto err; 1347f1ae32a1SGerd Hoffmann } 1348f1ae32a1SGerd Hoffmann /* fallthrough */ 1349f1ae32a1SGerd Hoffmann case TR_NORMAL: 1350f1ae32a1SGerd Hoffmann case TR_ISOCH: 1351f1ae32a1SGerd Hoffmann addr = xhci_mask64(trb->parameter); 1352f1ae32a1SGerd Hoffmann chunk = trb->status & 0x1ffff; 1353f1ae32a1SGerd Hoffmann if (trb->control & TRB_TR_IDT) { 1354f1ae32a1SGerd Hoffmann if (chunk > 8 || in_xfer) { 1355f1ae32a1SGerd Hoffmann fprintf(stderr, "xhci: invalid immediate data TRB\n"); 1356d5a15814SGerd Hoffmann goto err; 1357d5a15814SGerd Hoffmann } 1358d5a15814SGerd Hoffmann qemu_sglist_add(&xfer->sgl, trb->addr, chunk); 1359d5a15814SGerd Hoffmann } else { 1360d5a15814SGerd Hoffmann qemu_sglist_add(&xfer->sgl, addr, chunk); 1361d5a15814SGerd Hoffmann } 1362d5a15814SGerd Hoffmann break; 1363d5a15814SGerd Hoffmann } 1364d5a15814SGerd Hoffmann } 1365d5a15814SGerd Hoffmann 1366d5a15814SGerd Hoffmann return 0; 1367d5a15814SGerd Hoffmann 1368d5a15814SGerd Hoffmann err: 1369d5a15814SGerd Hoffmann qemu_sglist_destroy(&xfer->sgl); 1370f1ae32a1SGerd Hoffmann xhci_die(xhci); 1371d5a15814SGerd Hoffmann return -1; 1372f1ae32a1SGerd Hoffmann } 1373d5a15814SGerd Hoffmann 1374d5a15814SGerd Hoffmann static void xhci_xfer_unmap(XHCITransfer *xfer) 1375d5a15814SGerd Hoffmann { 1376d5a15814SGerd Hoffmann usb_packet_unmap(&xfer->packet, &xfer->sgl); 1377d5a15814SGerd Hoffmann qemu_sglist_destroy(&xfer->sgl); 1378f1ae32a1SGerd Hoffmann } 1379d5a15814SGerd Hoffmann 1380d5a15814SGerd Hoffmann static void xhci_xfer_report(XHCITransfer *xfer) 1381d5a15814SGerd Hoffmann { 1382d5a15814SGerd Hoffmann uint32_t edtla = 0; 1383d5a15814SGerd Hoffmann unsigned int left; 1384d5a15814SGerd Hoffmann bool reported = 0; 1385d5a15814SGerd Hoffmann bool shortpkt = 0; 1386d5a15814SGerd Hoffmann XHCIEvent event = {ER_TRANSFER, CC_SUCCESS}; 1387d5a15814SGerd Hoffmann XHCIState *xhci = xfer->xhci; 1388f1ae32a1SGerd Hoffmann int i; 1389d5a15814SGerd Hoffmann 1390d5a15814SGerd Hoffmann left = xfer->packet.result < 0 ? 0 : xfer->packet.result; 1391d5a15814SGerd Hoffmann 1392d5a15814SGerd Hoffmann for (i = 0; i < xfer->trb_count; i++) { 1393d5a15814SGerd Hoffmann XHCITRB *trb = &xfer->trbs[i]; 1394d5a15814SGerd Hoffmann unsigned int chunk = 0; 1395d5a15814SGerd Hoffmann 1396d5a15814SGerd Hoffmann switch (TRB_TYPE(*trb)) { 1397d5a15814SGerd Hoffmann case TR_DATA: 1398d5a15814SGerd Hoffmann case TR_NORMAL: 1399d5a15814SGerd Hoffmann case TR_ISOCH: 1400d5a15814SGerd Hoffmann chunk = trb->status & 0x1ffff; 1401d5a15814SGerd Hoffmann if (chunk > left) { 1402d5a15814SGerd Hoffmann chunk = left; 1403d5a15814SGerd Hoffmann if (xfer->status == CC_SUCCESS) { 1404d5a15814SGerd Hoffmann shortpkt = 1; 1405f1ae32a1SGerd Hoffmann } 1406f1ae32a1SGerd Hoffmann } 1407f1ae32a1SGerd Hoffmann left -= chunk; 1408f1ae32a1SGerd Hoffmann edtla += chunk; 1409f1ae32a1SGerd Hoffmann break; 1410f1ae32a1SGerd Hoffmann case TR_STATUS: 1411f1ae32a1SGerd Hoffmann reported = 0; 1412f1ae32a1SGerd Hoffmann shortpkt = 0; 1413f1ae32a1SGerd Hoffmann break; 1414f1ae32a1SGerd Hoffmann } 1415f1ae32a1SGerd Hoffmann 1416d5a15814SGerd Hoffmann if (!reported && ((trb->control & TRB_TR_IOC) || 1417d5a15814SGerd Hoffmann (shortpkt && (trb->control & TRB_TR_ISP)) || 1418d5a15814SGerd Hoffmann (xfer->status != CC_SUCCESS))) { 1419f1ae32a1SGerd Hoffmann event.slotid = xfer->slotid; 1420f1ae32a1SGerd Hoffmann event.epid = xfer->epid; 1421f1ae32a1SGerd Hoffmann event.length = (trb->status & 0x1ffff) - chunk; 1422f1ae32a1SGerd Hoffmann event.flags = 0; 1423f1ae32a1SGerd Hoffmann event.ptr = trb->addr; 1424f1ae32a1SGerd Hoffmann if (xfer->status == CC_SUCCESS) { 1425f1ae32a1SGerd Hoffmann event.ccode = shortpkt ? CC_SHORT_PACKET : CC_SUCCESS; 1426f1ae32a1SGerd Hoffmann } else { 1427f1ae32a1SGerd Hoffmann event.ccode = xfer->status; 1428f1ae32a1SGerd Hoffmann } 1429f1ae32a1SGerd Hoffmann if (TRB_TYPE(*trb) == TR_EVDATA) { 1430f1ae32a1SGerd Hoffmann event.ptr = trb->parameter; 1431f1ae32a1SGerd Hoffmann event.flags |= TRB_EV_ED; 1432f1ae32a1SGerd Hoffmann event.length = edtla & 0xffffff; 1433f1ae32a1SGerd Hoffmann DPRINTF("xhci_xfer_data: EDTLA=%d\n", event.length); 1434f1ae32a1SGerd Hoffmann edtla = 0; 1435f1ae32a1SGerd Hoffmann } 14362d1de850SGerd Hoffmann xhci_event(xhci, &event, TRB_INTR(*trb)); 1437f1ae32a1SGerd Hoffmann reported = 1; 1438d5a15814SGerd Hoffmann if (xfer->status != CC_SUCCESS) { 1439d5a15814SGerd Hoffmann return; 1440f1ae32a1SGerd Hoffmann } 1441f1ae32a1SGerd Hoffmann } 1442d5a15814SGerd Hoffmann } 1443f1ae32a1SGerd Hoffmann } 1444f1ae32a1SGerd Hoffmann 1445f1ae32a1SGerd Hoffmann static void xhci_stall_ep(XHCITransfer *xfer) 1446f1ae32a1SGerd Hoffmann { 1447f1ae32a1SGerd Hoffmann XHCIState *xhci = xfer->xhci; 1448f1ae32a1SGerd Hoffmann XHCISlot *slot = &xhci->slots[xfer->slotid-1]; 1449f1ae32a1SGerd Hoffmann XHCIEPContext *epctx = slot->eps[xfer->epid-1]; 1450f1ae32a1SGerd Hoffmann 1451f1ae32a1SGerd Hoffmann epctx->ring.dequeue = xfer->trbs[0].addr; 1452f1ae32a1SGerd Hoffmann epctx->ring.ccs = xfer->trbs[0].ccs; 1453f1ae32a1SGerd Hoffmann xhci_set_ep_state(xhci, epctx, EP_HALTED); 1454f1ae32a1SGerd Hoffmann DPRINTF("xhci: stalled slot %d ep %d\n", xfer->slotid, xfer->epid); 145559a70ccdSDavid Gibson DPRINTF("xhci: will continue at "DMA_ADDR_FMT"\n", epctx->ring.dequeue); 1456f1ae32a1SGerd Hoffmann } 1457f1ae32a1SGerd Hoffmann 1458f1ae32a1SGerd Hoffmann static int xhci_submit(XHCIState *xhci, XHCITransfer *xfer, 1459f1ae32a1SGerd Hoffmann XHCIEPContext *epctx); 1460f1ae32a1SGerd Hoffmann 14615c08106fSGerd Hoffmann static int xhci_setup_packet(XHCITransfer *xfer) 14625c08106fSGerd Hoffmann { 14635c08106fSGerd Hoffmann XHCIState *xhci = xfer->xhci; 14645c08106fSGerd Hoffmann USBDevice *dev; 1465f1ae32a1SGerd Hoffmann USBEndpoint *ep; 1466f1ae32a1SGerd Hoffmann int dir; 1467f1ae32a1SGerd Hoffmann 1468f1ae32a1SGerd Hoffmann dir = xfer->in_xfer ? USB_TOKEN_IN : USB_TOKEN_OUT; 14695c08106fSGerd Hoffmann 14705c08106fSGerd Hoffmann if (xfer->packet.ep) { 14715c08106fSGerd Hoffmann ep = xfer->packet.ep; 14725c08106fSGerd Hoffmann dev = ep->dev; 14735c08106fSGerd Hoffmann } else { 1474ccaf87a0SGerd Hoffmann if (!xhci->slots[xfer->slotid-1].uport) { 1475ccaf87a0SGerd Hoffmann fprintf(stderr, "xhci: slot %d has no device\n", 1476ccaf87a0SGerd Hoffmann xfer->slotid); 14775c08106fSGerd Hoffmann return -1; 14785c08106fSGerd Hoffmann } 1479ccaf87a0SGerd Hoffmann dev = xhci->slots[xfer->slotid-1].uport->dev; 1480f1ae32a1SGerd Hoffmann ep = usb_ep_get(dev, dir, xfer->epid >> 1); 14815c08106fSGerd Hoffmann } 14825c08106fSGerd Hoffmann 1483a6fb2ddbSHans de Goede xhci_xfer_create_sgl(xfer, dir == USB_TOKEN_IN); /* Also sets int_req */ 1484a6fb2ddbSHans de Goede usb_packet_setup(&xfer->packet, dir, ep, xfer->trbs[0].addr, false, 1485a6fb2ddbSHans de Goede xfer->int_req); 1486a6fb2ddbSHans de Goede usb_packet_map(&xfer->packet, &xfer->sgl); 1487f1ae32a1SGerd Hoffmann DPRINTF("xhci: setup packet pid 0x%x addr %d ep %d\n", 1488f1ae32a1SGerd Hoffmann xfer->packet.pid, dev->addr, ep->nr); 1489f1ae32a1SGerd Hoffmann return 0; 1490f1ae32a1SGerd Hoffmann } 1491f1ae32a1SGerd Hoffmann 1492f1ae32a1SGerd Hoffmann static int xhci_complete_packet(XHCITransfer *xfer, int ret) 1493f1ae32a1SGerd Hoffmann { 1494f1ae32a1SGerd Hoffmann if (ret == USB_RET_ASYNC) { 149597df650bSGerd Hoffmann trace_usb_xhci_xfer_async(xfer); 1496f1ae32a1SGerd Hoffmann xfer->running_async = 1; 1497f1ae32a1SGerd Hoffmann xfer->running_retry = 0; 1498f1ae32a1SGerd Hoffmann xfer->complete = 0; 1499f1ae32a1SGerd Hoffmann xfer->cancelled = 0; 1500f1ae32a1SGerd Hoffmann return 0; 1501f1ae32a1SGerd Hoffmann } else if (ret == USB_RET_NAK) { 150297df650bSGerd Hoffmann trace_usb_xhci_xfer_nak(xfer); 1503f1ae32a1SGerd Hoffmann xfer->running_async = 0; 1504f1ae32a1SGerd Hoffmann xfer->running_retry = 1; 1505f1ae32a1SGerd Hoffmann xfer->complete = 0; 1506f1ae32a1SGerd Hoffmann xfer->cancelled = 0; 1507f1ae32a1SGerd Hoffmann return 0; 1508f1ae32a1SGerd Hoffmann } else { 1509f1ae32a1SGerd Hoffmann xfer->running_async = 0; 1510f1ae32a1SGerd Hoffmann xfer->running_retry = 0; 1511f1ae32a1SGerd Hoffmann xfer->complete = 1; 1512d5a15814SGerd Hoffmann xhci_xfer_unmap(xfer); 1513f1ae32a1SGerd Hoffmann } 1514f1ae32a1SGerd Hoffmann 1515f1ae32a1SGerd Hoffmann if (ret >= 0) { 151697df650bSGerd Hoffmann trace_usb_xhci_xfer_success(xfer, ret); 1517d5a15814SGerd Hoffmann xfer->status = CC_SUCCESS; 1518d5a15814SGerd Hoffmann xhci_xfer_report(xfer); 1519f1ae32a1SGerd Hoffmann return 0; 1520f1ae32a1SGerd Hoffmann } 1521f1ae32a1SGerd Hoffmann 1522f1ae32a1SGerd Hoffmann /* error */ 152397df650bSGerd Hoffmann trace_usb_xhci_xfer_error(xfer, ret); 1524f1ae32a1SGerd Hoffmann switch (ret) { 1525f1ae32a1SGerd Hoffmann case USB_RET_NODEV: 1526f1ae32a1SGerd Hoffmann xfer->status = CC_USB_TRANSACTION_ERROR; 1527d5a15814SGerd Hoffmann xhci_xfer_report(xfer); 1528f1ae32a1SGerd Hoffmann xhci_stall_ep(xfer); 1529f1ae32a1SGerd Hoffmann break; 1530f1ae32a1SGerd Hoffmann case USB_RET_STALL: 1531f1ae32a1SGerd Hoffmann xfer->status = CC_STALL_ERROR; 1532d5a15814SGerd Hoffmann xhci_xfer_report(xfer); 1533f1ae32a1SGerd Hoffmann xhci_stall_ep(xfer); 1534f1ae32a1SGerd Hoffmann break; 1535f1ae32a1SGerd Hoffmann default: 1536f1ae32a1SGerd Hoffmann fprintf(stderr, "%s: FIXME: ret = %d\n", __FUNCTION__, ret); 1537f1ae32a1SGerd Hoffmann FIXME(); 1538f1ae32a1SGerd Hoffmann } 1539f1ae32a1SGerd Hoffmann return 0; 1540f1ae32a1SGerd Hoffmann } 1541f1ae32a1SGerd Hoffmann 1542f1ae32a1SGerd Hoffmann static int xhci_fire_ctl_transfer(XHCIState *xhci, XHCITransfer *xfer) 1543f1ae32a1SGerd Hoffmann { 1544f1ae32a1SGerd Hoffmann XHCITRB *trb_setup, *trb_status; 1545f1ae32a1SGerd Hoffmann uint8_t bmRequestType; 1546f1ae32a1SGerd Hoffmann int ret; 1547f1ae32a1SGerd Hoffmann 1548f1ae32a1SGerd Hoffmann trb_setup = &xfer->trbs[0]; 1549f1ae32a1SGerd Hoffmann trb_status = &xfer->trbs[xfer->trb_count-1]; 1550f1ae32a1SGerd Hoffmann 1551d5a15814SGerd Hoffmann trace_usb_xhci_xfer_start(xfer, xfer->slotid, xfer->epid); 155297df650bSGerd Hoffmann 1553f1ae32a1SGerd Hoffmann /* at most one Event Data TRB allowed after STATUS */ 1554f1ae32a1SGerd Hoffmann if (TRB_TYPE(*trb_status) == TR_EVDATA && xfer->trb_count > 2) { 1555f1ae32a1SGerd Hoffmann trb_status--; 1556f1ae32a1SGerd Hoffmann } 1557f1ae32a1SGerd Hoffmann 1558f1ae32a1SGerd Hoffmann /* do some sanity checks */ 1559f1ae32a1SGerd Hoffmann if (TRB_TYPE(*trb_setup) != TR_SETUP) { 1560f1ae32a1SGerd Hoffmann fprintf(stderr, "xhci: ep0 first TD not SETUP: %d\n", 1561f1ae32a1SGerd Hoffmann TRB_TYPE(*trb_setup)); 1562f1ae32a1SGerd Hoffmann return -1; 1563f1ae32a1SGerd Hoffmann } 1564f1ae32a1SGerd Hoffmann if (TRB_TYPE(*trb_status) != TR_STATUS) { 1565f1ae32a1SGerd Hoffmann fprintf(stderr, "xhci: ep0 last TD not STATUS: %d\n", 1566f1ae32a1SGerd Hoffmann TRB_TYPE(*trb_status)); 1567f1ae32a1SGerd Hoffmann return -1; 1568f1ae32a1SGerd Hoffmann } 1569f1ae32a1SGerd Hoffmann if (!(trb_setup->control & TRB_TR_IDT)) { 1570f1ae32a1SGerd Hoffmann fprintf(stderr, "xhci: Setup TRB doesn't have IDT set\n"); 1571f1ae32a1SGerd Hoffmann return -1; 1572f1ae32a1SGerd Hoffmann } 1573f1ae32a1SGerd Hoffmann if ((trb_setup->status & 0x1ffff) != 8) { 1574f1ae32a1SGerd Hoffmann fprintf(stderr, "xhci: Setup TRB has bad length (%d)\n", 1575f1ae32a1SGerd Hoffmann (trb_setup->status & 0x1ffff)); 1576f1ae32a1SGerd Hoffmann return -1; 1577f1ae32a1SGerd Hoffmann } 1578f1ae32a1SGerd Hoffmann 1579f1ae32a1SGerd Hoffmann bmRequestType = trb_setup->parameter; 1580f1ae32a1SGerd Hoffmann 1581f1ae32a1SGerd Hoffmann xfer->in_xfer = bmRequestType & USB_DIR_IN; 1582f1ae32a1SGerd Hoffmann xfer->iso_xfer = false; 1583f1ae32a1SGerd Hoffmann 15845c08106fSGerd Hoffmann if (xhci_setup_packet(xfer) < 0) { 15855c08106fSGerd Hoffmann return -1; 15865c08106fSGerd Hoffmann } 1587f1ae32a1SGerd Hoffmann xfer->packet.parameter = trb_setup->parameter; 1588f1ae32a1SGerd Hoffmann 15895c08106fSGerd Hoffmann ret = usb_handle_packet(xfer->packet.ep->dev, &xfer->packet); 1590f1ae32a1SGerd Hoffmann 1591f1ae32a1SGerd Hoffmann xhci_complete_packet(xfer, ret); 1592f1ae32a1SGerd Hoffmann if (!xfer->running_async && !xfer->running_retry) { 1593f1ae32a1SGerd Hoffmann xhci_kick_ep(xhci, xfer->slotid, xfer->epid); 1594f1ae32a1SGerd Hoffmann } 1595f1ae32a1SGerd Hoffmann return 0; 1596f1ae32a1SGerd Hoffmann } 1597f1ae32a1SGerd Hoffmann 15983d139684SGerd Hoffmann static void xhci_calc_iso_kick(XHCIState *xhci, XHCITransfer *xfer, 15993d139684SGerd Hoffmann XHCIEPContext *epctx, uint64_t mfindex) 16003d139684SGerd Hoffmann { 16013d139684SGerd Hoffmann if (xfer->trbs[0].control & TRB_TR_SIA) { 16023d139684SGerd Hoffmann uint64_t asap = ((mfindex + epctx->interval - 1) & 16033d139684SGerd Hoffmann ~(epctx->interval-1)); 16043d139684SGerd Hoffmann if (asap >= epctx->mfindex_last && 16053d139684SGerd Hoffmann asap <= epctx->mfindex_last + epctx->interval * 4) { 16063d139684SGerd Hoffmann xfer->mfindex_kick = epctx->mfindex_last + epctx->interval; 16073d139684SGerd Hoffmann } else { 16083d139684SGerd Hoffmann xfer->mfindex_kick = asap; 16093d139684SGerd Hoffmann } 16103d139684SGerd Hoffmann } else { 16113d139684SGerd Hoffmann xfer->mfindex_kick = (xfer->trbs[0].control >> TRB_TR_FRAMEID_SHIFT) 16123d139684SGerd Hoffmann & TRB_TR_FRAMEID_MASK; 16133d139684SGerd Hoffmann xfer->mfindex_kick |= mfindex & ~0x3fff; 16143d139684SGerd Hoffmann if (xfer->mfindex_kick < mfindex) { 16153d139684SGerd Hoffmann xfer->mfindex_kick += 0x4000; 16163d139684SGerd Hoffmann } 16173d139684SGerd Hoffmann } 16183d139684SGerd Hoffmann } 16193d139684SGerd Hoffmann 16203d139684SGerd Hoffmann static void xhci_check_iso_kick(XHCIState *xhci, XHCITransfer *xfer, 16213d139684SGerd Hoffmann XHCIEPContext *epctx, uint64_t mfindex) 16223d139684SGerd Hoffmann { 16233d139684SGerd Hoffmann if (xfer->mfindex_kick > mfindex) { 16243d139684SGerd Hoffmann qemu_mod_timer(epctx->kick_timer, qemu_get_clock_ns(vm_clock) + 16253d139684SGerd Hoffmann (xfer->mfindex_kick - mfindex) * 125000); 16263d139684SGerd Hoffmann xfer->running_retry = 1; 16273d139684SGerd Hoffmann } else { 16283d139684SGerd Hoffmann epctx->mfindex_last = xfer->mfindex_kick; 16293d139684SGerd Hoffmann qemu_del_timer(epctx->kick_timer); 16303d139684SGerd Hoffmann xfer->running_retry = 0; 16313d139684SGerd Hoffmann } 16323d139684SGerd Hoffmann } 16333d139684SGerd Hoffmann 16343d139684SGerd Hoffmann 1635f1ae32a1SGerd Hoffmann static int xhci_submit(XHCIState *xhci, XHCITransfer *xfer, XHCIEPContext *epctx) 1636f1ae32a1SGerd Hoffmann { 16373d139684SGerd Hoffmann uint64_t mfindex; 1638f1ae32a1SGerd Hoffmann int ret; 1639f1ae32a1SGerd Hoffmann 1640f1ae32a1SGerd Hoffmann DPRINTF("xhci_submit(slotid=%d,epid=%d)\n", xfer->slotid, xfer->epid); 1641f1ae32a1SGerd Hoffmann 1642f1ae32a1SGerd Hoffmann xfer->in_xfer = epctx->type>>2; 1643f1ae32a1SGerd Hoffmann 1644f1ae32a1SGerd Hoffmann switch(epctx->type) { 1645f1ae32a1SGerd Hoffmann case ET_INTR_OUT: 1646f1ae32a1SGerd Hoffmann case ET_INTR_IN: 1647f1ae32a1SGerd Hoffmann case ET_BULK_OUT: 1648f1ae32a1SGerd Hoffmann case ET_BULK_IN: 16493d139684SGerd Hoffmann xfer->pkts = 0; 16503d139684SGerd Hoffmann xfer->iso_xfer = false; 1651f1ae32a1SGerd Hoffmann break; 1652f1ae32a1SGerd Hoffmann case ET_ISO_OUT: 1653f1ae32a1SGerd Hoffmann case ET_ISO_IN: 16543d139684SGerd Hoffmann xfer->pkts = 1; 16553d139684SGerd Hoffmann xfer->iso_xfer = true; 16563d139684SGerd Hoffmann mfindex = xhci_mfindex_get(xhci); 16573d139684SGerd Hoffmann xhci_calc_iso_kick(xhci, xfer, epctx, mfindex); 16583d139684SGerd Hoffmann xhci_check_iso_kick(xhci, xfer, epctx, mfindex); 16593d139684SGerd Hoffmann if (xfer->running_retry) { 16603d139684SGerd Hoffmann return -1; 16613d139684SGerd Hoffmann } 1662f1ae32a1SGerd Hoffmann break; 1663f1ae32a1SGerd Hoffmann default: 1664f1ae32a1SGerd Hoffmann fprintf(stderr, "xhci: unknown or unhandled EP " 1665f1ae32a1SGerd Hoffmann "(type %d, in %d, ep %02x)\n", 1666f1ae32a1SGerd Hoffmann epctx->type, xfer->in_xfer, xfer->epid); 1667f1ae32a1SGerd Hoffmann return -1; 1668f1ae32a1SGerd Hoffmann } 1669f1ae32a1SGerd Hoffmann 16705c08106fSGerd Hoffmann if (xhci_setup_packet(xfer) < 0) { 16715c08106fSGerd Hoffmann return -1; 16725c08106fSGerd Hoffmann } 16735c08106fSGerd Hoffmann ret = usb_handle_packet(xfer->packet.ep->dev, &xfer->packet); 1674f1ae32a1SGerd Hoffmann 1675f1ae32a1SGerd Hoffmann xhci_complete_packet(xfer, ret); 1676f1ae32a1SGerd Hoffmann if (!xfer->running_async && !xfer->running_retry) { 1677f1ae32a1SGerd Hoffmann xhci_kick_ep(xhci, xfer->slotid, xfer->epid); 1678f1ae32a1SGerd Hoffmann } 1679f1ae32a1SGerd Hoffmann return 0; 1680f1ae32a1SGerd Hoffmann } 1681f1ae32a1SGerd Hoffmann 1682f1ae32a1SGerd Hoffmann static int xhci_fire_transfer(XHCIState *xhci, XHCITransfer *xfer, XHCIEPContext *epctx) 1683f1ae32a1SGerd Hoffmann { 1684d5a15814SGerd Hoffmann trace_usb_xhci_xfer_start(xfer, xfer->slotid, xfer->epid); 1685f1ae32a1SGerd Hoffmann return xhci_submit(xhci, xfer, epctx); 1686f1ae32a1SGerd Hoffmann } 1687f1ae32a1SGerd Hoffmann 1688f1ae32a1SGerd Hoffmann static void xhci_kick_ep(XHCIState *xhci, unsigned int slotid, unsigned int epid) 1689f1ae32a1SGerd Hoffmann { 1690f1ae32a1SGerd Hoffmann XHCIEPContext *epctx; 169136dfe324SHans de Goede USBEndpoint *ep = NULL; 16923d139684SGerd Hoffmann uint64_t mfindex; 1693f1ae32a1SGerd Hoffmann int length; 1694f1ae32a1SGerd Hoffmann int i; 1695f1ae32a1SGerd Hoffmann 1696c1f6b493SGerd Hoffmann trace_usb_xhci_ep_kick(slotid, epid); 169791062ae0SGerd Hoffmann assert(slotid >= 1 && slotid <= xhci->numslots); 1698f1ae32a1SGerd Hoffmann assert(epid >= 1 && epid <= 31); 1699f1ae32a1SGerd Hoffmann 1700f1ae32a1SGerd Hoffmann if (!xhci->slots[slotid-1].enabled) { 1701f1ae32a1SGerd Hoffmann fprintf(stderr, "xhci: xhci_kick_ep for disabled slot %d\n", slotid); 1702f1ae32a1SGerd Hoffmann return; 1703f1ae32a1SGerd Hoffmann } 1704f1ae32a1SGerd Hoffmann epctx = xhci->slots[slotid-1].eps[epid-1]; 1705f1ae32a1SGerd Hoffmann if (!epctx) { 1706f1ae32a1SGerd Hoffmann fprintf(stderr, "xhci: xhci_kick_ep for disabled endpoint %d,%d\n", 1707f1ae32a1SGerd Hoffmann epid, slotid); 1708f1ae32a1SGerd Hoffmann return; 1709f1ae32a1SGerd Hoffmann } 1710f1ae32a1SGerd Hoffmann 1711f1ae32a1SGerd Hoffmann if (epctx->retry) { 1712f1ae32a1SGerd Hoffmann XHCITransfer *xfer = epctx->retry; 1713f1ae32a1SGerd Hoffmann int result; 1714f1ae32a1SGerd Hoffmann 171597df650bSGerd Hoffmann trace_usb_xhci_xfer_retry(xfer); 1716f1ae32a1SGerd Hoffmann assert(xfer->running_retry); 17173d139684SGerd Hoffmann if (xfer->iso_xfer) { 17183d139684SGerd Hoffmann /* retry delayed iso transfer */ 17193d139684SGerd Hoffmann mfindex = xhci_mfindex_get(xhci); 17203d139684SGerd Hoffmann xhci_check_iso_kick(xhci, xfer, epctx, mfindex); 17213d139684SGerd Hoffmann if (xfer->running_retry) { 17223d139684SGerd Hoffmann return; 17233d139684SGerd Hoffmann } 17243d139684SGerd Hoffmann if (xhci_setup_packet(xfer) < 0) { 17253d139684SGerd Hoffmann return; 17263d139684SGerd Hoffmann } 17273d139684SGerd Hoffmann result = usb_handle_packet(xfer->packet.ep->dev, &xfer->packet); 17283d139684SGerd Hoffmann assert(result != USB_RET_NAK); 17293d139684SGerd Hoffmann xhci_complete_packet(xfer, result); 17303d139684SGerd Hoffmann } else { 17313d139684SGerd Hoffmann /* retry nak'ed transfer */ 17325c08106fSGerd Hoffmann if (xhci_setup_packet(xfer) < 0) { 17335c08106fSGerd Hoffmann return; 17345c08106fSGerd Hoffmann } 1735f1ae32a1SGerd Hoffmann result = usb_handle_packet(xfer->packet.ep->dev, &xfer->packet); 1736f1ae32a1SGerd Hoffmann if (result == USB_RET_NAK) { 1737f1ae32a1SGerd Hoffmann return; 1738f1ae32a1SGerd Hoffmann } 1739f1ae32a1SGerd Hoffmann xhci_complete_packet(xfer, result); 17403d139684SGerd Hoffmann } 1741f1ae32a1SGerd Hoffmann assert(!xfer->running_retry); 1742f1ae32a1SGerd Hoffmann epctx->retry = NULL; 1743f1ae32a1SGerd Hoffmann } 1744f1ae32a1SGerd Hoffmann 1745f1ae32a1SGerd Hoffmann if (epctx->state == EP_HALTED) { 1746f1ae32a1SGerd Hoffmann DPRINTF("xhci: ep halted, not running schedule\n"); 1747f1ae32a1SGerd Hoffmann return; 1748f1ae32a1SGerd Hoffmann } 1749f1ae32a1SGerd Hoffmann 1750f1ae32a1SGerd Hoffmann xhci_set_ep_state(xhci, epctx, EP_RUNNING); 1751f1ae32a1SGerd Hoffmann 1752f1ae32a1SGerd Hoffmann while (1) { 1753f1ae32a1SGerd Hoffmann XHCITransfer *xfer = &epctx->transfers[epctx->next_xfer]; 1754331e9406SGerd Hoffmann if (xfer->running_async || xfer->running_retry) { 1755f1ae32a1SGerd Hoffmann break; 1756f1ae32a1SGerd Hoffmann } 1757f1ae32a1SGerd Hoffmann length = xhci_ring_chain_length(xhci, &epctx->ring); 1758f1ae32a1SGerd Hoffmann if (length < 0) { 1759f1ae32a1SGerd Hoffmann break; 1760f1ae32a1SGerd Hoffmann } else if (length == 0) { 1761f1ae32a1SGerd Hoffmann break; 1762f1ae32a1SGerd Hoffmann } 1763f1ae32a1SGerd Hoffmann if (xfer->trbs && xfer->trb_alloced < length) { 1764f1ae32a1SGerd Hoffmann xfer->trb_count = 0; 1765f1ae32a1SGerd Hoffmann xfer->trb_alloced = 0; 1766f1ae32a1SGerd Hoffmann g_free(xfer->trbs); 1767f1ae32a1SGerd Hoffmann xfer->trbs = NULL; 1768f1ae32a1SGerd Hoffmann } 1769f1ae32a1SGerd Hoffmann if (!xfer->trbs) { 1770f1ae32a1SGerd Hoffmann xfer->trbs = g_malloc(sizeof(XHCITRB) * length); 1771f1ae32a1SGerd Hoffmann xfer->trb_alloced = length; 1772f1ae32a1SGerd Hoffmann } 1773f1ae32a1SGerd Hoffmann xfer->trb_count = length; 1774f1ae32a1SGerd Hoffmann 1775f1ae32a1SGerd Hoffmann for (i = 0; i < length; i++) { 1776f1ae32a1SGerd Hoffmann assert(xhci_ring_fetch(xhci, &epctx->ring, &xfer->trbs[i], NULL)); 1777f1ae32a1SGerd Hoffmann } 1778f1ae32a1SGerd Hoffmann xfer->xhci = xhci; 1779f1ae32a1SGerd Hoffmann xfer->epid = epid; 1780f1ae32a1SGerd Hoffmann xfer->slotid = slotid; 1781f1ae32a1SGerd Hoffmann 1782f1ae32a1SGerd Hoffmann if (epid == 1) { 1783f1ae32a1SGerd Hoffmann if (xhci_fire_ctl_transfer(xhci, xfer) >= 0) { 1784f1ae32a1SGerd Hoffmann epctx->next_xfer = (epctx->next_xfer + 1) % TD_QUEUE; 178536dfe324SHans de Goede ep = xfer->packet.ep; 1786f1ae32a1SGerd Hoffmann } else { 1787f1ae32a1SGerd Hoffmann fprintf(stderr, "xhci: error firing CTL transfer\n"); 1788f1ae32a1SGerd Hoffmann } 1789f1ae32a1SGerd Hoffmann } else { 1790f1ae32a1SGerd Hoffmann if (xhci_fire_transfer(xhci, xfer, epctx) >= 0) { 1791f1ae32a1SGerd Hoffmann epctx->next_xfer = (epctx->next_xfer + 1) % TD_QUEUE; 179236dfe324SHans de Goede ep = xfer->packet.ep; 1793f1ae32a1SGerd Hoffmann } else { 17943d139684SGerd Hoffmann if (!xfer->iso_xfer) { 1795f1ae32a1SGerd Hoffmann fprintf(stderr, "xhci: error firing data transfer\n"); 1796f1ae32a1SGerd Hoffmann } 1797f1ae32a1SGerd Hoffmann } 17983d139684SGerd Hoffmann } 1799f1ae32a1SGerd Hoffmann 1800f1ae32a1SGerd Hoffmann if (epctx->state == EP_HALTED) { 1801f1ae32a1SGerd Hoffmann break; 1802f1ae32a1SGerd Hoffmann } 1803f1ae32a1SGerd Hoffmann if (xfer->running_retry) { 1804f1ae32a1SGerd Hoffmann DPRINTF("xhci: xfer nacked, stopping schedule\n"); 1805f1ae32a1SGerd Hoffmann epctx->retry = xfer; 1806f1ae32a1SGerd Hoffmann break; 1807f1ae32a1SGerd Hoffmann } 1808f1ae32a1SGerd Hoffmann } 180936dfe324SHans de Goede if (ep) { 181036dfe324SHans de Goede usb_device_flush_ep_queue(ep->dev, ep); 181136dfe324SHans de Goede } 1812f1ae32a1SGerd Hoffmann } 1813f1ae32a1SGerd Hoffmann 1814f1ae32a1SGerd Hoffmann static TRBCCode xhci_enable_slot(XHCIState *xhci, unsigned int slotid) 1815f1ae32a1SGerd Hoffmann { 1816348f1037SGerd Hoffmann trace_usb_xhci_slot_enable(slotid); 181791062ae0SGerd Hoffmann assert(slotid >= 1 && slotid <= xhci->numslots); 1818f1ae32a1SGerd Hoffmann xhci->slots[slotid-1].enabled = 1; 1819ccaf87a0SGerd Hoffmann xhci->slots[slotid-1].uport = NULL; 1820f1ae32a1SGerd Hoffmann memset(xhci->slots[slotid-1].eps, 0, sizeof(XHCIEPContext*)*31); 1821f1ae32a1SGerd Hoffmann 1822f1ae32a1SGerd Hoffmann return CC_SUCCESS; 1823f1ae32a1SGerd Hoffmann } 1824f1ae32a1SGerd Hoffmann 1825f1ae32a1SGerd Hoffmann static TRBCCode xhci_disable_slot(XHCIState *xhci, unsigned int slotid) 1826f1ae32a1SGerd Hoffmann { 1827f1ae32a1SGerd Hoffmann int i; 1828f1ae32a1SGerd Hoffmann 1829348f1037SGerd Hoffmann trace_usb_xhci_slot_disable(slotid); 183091062ae0SGerd Hoffmann assert(slotid >= 1 && slotid <= xhci->numslots); 1831f1ae32a1SGerd Hoffmann 1832f1ae32a1SGerd Hoffmann for (i = 1; i <= 31; i++) { 1833f1ae32a1SGerd Hoffmann if (xhci->slots[slotid-1].eps[i-1]) { 1834f1ae32a1SGerd Hoffmann xhci_disable_ep(xhci, slotid, i); 1835f1ae32a1SGerd Hoffmann } 1836f1ae32a1SGerd Hoffmann } 1837f1ae32a1SGerd Hoffmann 1838f1ae32a1SGerd Hoffmann xhci->slots[slotid-1].enabled = 0; 1839f1ae32a1SGerd Hoffmann return CC_SUCCESS; 1840f1ae32a1SGerd Hoffmann } 1841f1ae32a1SGerd Hoffmann 1842ccaf87a0SGerd Hoffmann static USBPort *xhci_lookup_uport(XHCIState *xhci, uint32_t *slot_ctx) 1843ccaf87a0SGerd Hoffmann { 1844ccaf87a0SGerd Hoffmann USBPort *uport; 1845ccaf87a0SGerd Hoffmann char path[32]; 1846ccaf87a0SGerd Hoffmann int i, pos, port; 1847ccaf87a0SGerd Hoffmann 1848ccaf87a0SGerd Hoffmann port = (slot_ctx[1]>>16) & 0xFF; 1849ccaf87a0SGerd Hoffmann port = xhci->ports[port-1].uport->index+1; 1850ccaf87a0SGerd Hoffmann pos = snprintf(path, sizeof(path), "%d", port); 1851ccaf87a0SGerd Hoffmann for (i = 0; i < 5; i++) { 1852ccaf87a0SGerd Hoffmann port = (slot_ctx[0] >> 4*i) & 0x0f; 1853ccaf87a0SGerd Hoffmann if (!port) { 1854ccaf87a0SGerd Hoffmann break; 1855ccaf87a0SGerd Hoffmann } 1856ccaf87a0SGerd Hoffmann pos += snprintf(path + pos, sizeof(path) - pos, ".%d", port); 1857ccaf87a0SGerd Hoffmann } 1858ccaf87a0SGerd Hoffmann 1859ccaf87a0SGerd Hoffmann QTAILQ_FOREACH(uport, &xhci->bus.used, next) { 1860ccaf87a0SGerd Hoffmann if (strcmp(uport->path, path) == 0) { 1861ccaf87a0SGerd Hoffmann return uport; 1862ccaf87a0SGerd Hoffmann } 1863ccaf87a0SGerd Hoffmann } 1864ccaf87a0SGerd Hoffmann return NULL; 1865ccaf87a0SGerd Hoffmann } 1866ccaf87a0SGerd Hoffmann 1867f1ae32a1SGerd Hoffmann static TRBCCode xhci_address_slot(XHCIState *xhci, unsigned int slotid, 1868f1ae32a1SGerd Hoffmann uint64_t pictx, bool bsr) 1869f1ae32a1SGerd Hoffmann { 1870f1ae32a1SGerd Hoffmann XHCISlot *slot; 1871ccaf87a0SGerd Hoffmann USBPort *uport; 1872f1ae32a1SGerd Hoffmann USBDevice *dev; 187359a70ccdSDavid Gibson dma_addr_t ictx, octx, dcbaap; 1874f1ae32a1SGerd Hoffmann uint64_t poctx; 1875f1ae32a1SGerd Hoffmann uint32_t ictl_ctx[2]; 1876f1ae32a1SGerd Hoffmann uint32_t slot_ctx[4]; 1877f1ae32a1SGerd Hoffmann uint32_t ep0_ctx[5]; 1878f1ae32a1SGerd Hoffmann int i; 1879f1ae32a1SGerd Hoffmann TRBCCode res; 1880f1ae32a1SGerd Hoffmann 1881348f1037SGerd Hoffmann trace_usb_xhci_slot_address(slotid); 188291062ae0SGerd Hoffmann assert(slotid >= 1 && slotid <= xhci->numslots); 1883f1ae32a1SGerd Hoffmann 1884f1ae32a1SGerd Hoffmann dcbaap = xhci_addr64(xhci->dcbaap_low, xhci->dcbaap_high); 188559a70ccdSDavid Gibson pci_dma_read(&xhci->pci_dev, dcbaap + 8*slotid, &poctx, sizeof(poctx)); 1886f1ae32a1SGerd Hoffmann ictx = xhci_mask64(pictx); 1887f1ae32a1SGerd Hoffmann octx = xhci_mask64(le64_to_cpu(poctx)); 1888f1ae32a1SGerd Hoffmann 188959a70ccdSDavid Gibson DPRINTF("xhci: input context at "DMA_ADDR_FMT"\n", ictx); 189059a70ccdSDavid Gibson DPRINTF("xhci: output context at "DMA_ADDR_FMT"\n", octx); 1891f1ae32a1SGerd Hoffmann 189259a70ccdSDavid Gibson pci_dma_read(&xhci->pci_dev, ictx, ictl_ctx, sizeof(ictl_ctx)); 1893f1ae32a1SGerd Hoffmann 1894f1ae32a1SGerd Hoffmann if (ictl_ctx[0] != 0x0 || ictl_ctx[1] != 0x3) { 1895f1ae32a1SGerd Hoffmann fprintf(stderr, "xhci: invalid input context control %08x %08x\n", 1896f1ae32a1SGerd Hoffmann ictl_ctx[0], ictl_ctx[1]); 1897f1ae32a1SGerd Hoffmann return CC_TRB_ERROR; 1898f1ae32a1SGerd Hoffmann } 1899f1ae32a1SGerd Hoffmann 190059a70ccdSDavid Gibson pci_dma_read(&xhci->pci_dev, ictx+32, slot_ctx, sizeof(slot_ctx)); 190159a70ccdSDavid Gibson pci_dma_read(&xhci->pci_dev, ictx+64, ep0_ctx, sizeof(ep0_ctx)); 1902f1ae32a1SGerd Hoffmann 1903f1ae32a1SGerd Hoffmann DPRINTF("xhci: input slot context: %08x %08x %08x %08x\n", 1904f1ae32a1SGerd Hoffmann slot_ctx[0], slot_ctx[1], slot_ctx[2], slot_ctx[3]); 1905f1ae32a1SGerd Hoffmann 1906f1ae32a1SGerd Hoffmann DPRINTF("xhci: input ep0 context: %08x %08x %08x %08x %08x\n", 1907f1ae32a1SGerd Hoffmann ep0_ctx[0], ep0_ctx[1], ep0_ctx[2], ep0_ctx[3], ep0_ctx[4]); 1908f1ae32a1SGerd Hoffmann 1909ccaf87a0SGerd Hoffmann uport = xhci_lookup_uport(xhci, slot_ctx); 1910ccaf87a0SGerd Hoffmann if (uport == NULL) { 1911ccaf87a0SGerd Hoffmann fprintf(stderr, "xhci: port not found\n"); 1912f1ae32a1SGerd Hoffmann return CC_TRB_ERROR; 1913ccaf87a0SGerd Hoffmann } 1914ccaf87a0SGerd Hoffmann 1915ccaf87a0SGerd Hoffmann dev = uport->dev; 1916ccaf87a0SGerd Hoffmann if (!dev) { 1917ccaf87a0SGerd Hoffmann fprintf(stderr, "xhci: port %s not connected\n", uport->path); 1918f1ae32a1SGerd Hoffmann return CC_USB_TRANSACTION_ERROR; 1919f1ae32a1SGerd Hoffmann } 1920f1ae32a1SGerd Hoffmann 192191062ae0SGerd Hoffmann for (i = 0; i < xhci->numslots; i++) { 1922ccaf87a0SGerd Hoffmann if (xhci->slots[i].uport == uport) { 1923ccaf87a0SGerd Hoffmann fprintf(stderr, "xhci: port %s already assigned to slot %d\n", 1924ccaf87a0SGerd Hoffmann uport->path, i+1); 1925f1ae32a1SGerd Hoffmann return CC_TRB_ERROR; 1926f1ae32a1SGerd Hoffmann } 1927f1ae32a1SGerd Hoffmann } 1928f1ae32a1SGerd Hoffmann 1929f1ae32a1SGerd Hoffmann slot = &xhci->slots[slotid-1]; 1930ccaf87a0SGerd Hoffmann slot->uport = uport; 1931f1ae32a1SGerd Hoffmann slot->ctx = octx; 1932f1ae32a1SGerd Hoffmann 1933f1ae32a1SGerd Hoffmann if (bsr) { 1934f1ae32a1SGerd Hoffmann slot_ctx[3] = SLOT_DEFAULT << SLOT_STATE_SHIFT; 1935f1ae32a1SGerd Hoffmann } else { 1936f1ae32a1SGerd Hoffmann slot->devaddr = xhci->devaddr++; 1937f1ae32a1SGerd Hoffmann slot_ctx[3] = (SLOT_ADDRESSED << SLOT_STATE_SHIFT) | slot->devaddr; 1938f1ae32a1SGerd Hoffmann DPRINTF("xhci: device address is %d\n", slot->devaddr); 1939f1ae32a1SGerd Hoffmann usb_device_handle_control(dev, NULL, 1940f1ae32a1SGerd Hoffmann DeviceOutRequest | USB_REQ_SET_ADDRESS, 1941f1ae32a1SGerd Hoffmann slot->devaddr, 0, 0, NULL); 1942f1ae32a1SGerd Hoffmann } 1943f1ae32a1SGerd Hoffmann 1944f1ae32a1SGerd Hoffmann res = xhci_enable_ep(xhci, slotid, 1, octx+32, ep0_ctx); 1945f1ae32a1SGerd Hoffmann 1946f1ae32a1SGerd Hoffmann DPRINTF("xhci: output slot context: %08x %08x %08x %08x\n", 1947f1ae32a1SGerd Hoffmann slot_ctx[0], slot_ctx[1], slot_ctx[2], slot_ctx[3]); 1948f1ae32a1SGerd Hoffmann DPRINTF("xhci: output ep0 context: %08x %08x %08x %08x %08x\n", 1949f1ae32a1SGerd Hoffmann ep0_ctx[0], ep0_ctx[1], ep0_ctx[2], ep0_ctx[3], ep0_ctx[4]); 1950f1ae32a1SGerd Hoffmann 195159a70ccdSDavid Gibson pci_dma_write(&xhci->pci_dev, octx, slot_ctx, sizeof(slot_ctx)); 195259a70ccdSDavid Gibson pci_dma_write(&xhci->pci_dev, octx+32, ep0_ctx, sizeof(ep0_ctx)); 1953f1ae32a1SGerd Hoffmann 1954f1ae32a1SGerd Hoffmann return res; 1955f1ae32a1SGerd Hoffmann } 1956f1ae32a1SGerd Hoffmann 1957f1ae32a1SGerd Hoffmann 1958f1ae32a1SGerd Hoffmann static TRBCCode xhci_configure_slot(XHCIState *xhci, unsigned int slotid, 1959f1ae32a1SGerd Hoffmann uint64_t pictx, bool dc) 1960f1ae32a1SGerd Hoffmann { 196159a70ccdSDavid Gibson dma_addr_t ictx, octx; 1962f1ae32a1SGerd Hoffmann uint32_t ictl_ctx[2]; 1963f1ae32a1SGerd Hoffmann uint32_t slot_ctx[4]; 1964f1ae32a1SGerd Hoffmann uint32_t islot_ctx[4]; 1965f1ae32a1SGerd Hoffmann uint32_t ep_ctx[5]; 1966f1ae32a1SGerd Hoffmann int i; 1967f1ae32a1SGerd Hoffmann TRBCCode res; 1968f1ae32a1SGerd Hoffmann 1969348f1037SGerd Hoffmann trace_usb_xhci_slot_configure(slotid); 197091062ae0SGerd Hoffmann assert(slotid >= 1 && slotid <= xhci->numslots); 1971f1ae32a1SGerd Hoffmann 1972f1ae32a1SGerd Hoffmann ictx = xhci_mask64(pictx); 1973f1ae32a1SGerd Hoffmann octx = xhci->slots[slotid-1].ctx; 1974f1ae32a1SGerd Hoffmann 197559a70ccdSDavid Gibson DPRINTF("xhci: input context at "DMA_ADDR_FMT"\n", ictx); 197659a70ccdSDavid Gibson DPRINTF("xhci: output context at "DMA_ADDR_FMT"\n", octx); 1977f1ae32a1SGerd Hoffmann 1978f1ae32a1SGerd Hoffmann if (dc) { 1979f1ae32a1SGerd Hoffmann for (i = 2; i <= 31; i++) { 1980f1ae32a1SGerd Hoffmann if (xhci->slots[slotid-1].eps[i-1]) { 1981f1ae32a1SGerd Hoffmann xhci_disable_ep(xhci, slotid, i); 1982f1ae32a1SGerd Hoffmann } 1983f1ae32a1SGerd Hoffmann } 1984f1ae32a1SGerd Hoffmann 198559a70ccdSDavid Gibson pci_dma_read(&xhci->pci_dev, octx, slot_ctx, sizeof(slot_ctx)); 1986f1ae32a1SGerd Hoffmann slot_ctx[3] &= ~(SLOT_STATE_MASK << SLOT_STATE_SHIFT); 1987f1ae32a1SGerd Hoffmann slot_ctx[3] |= SLOT_ADDRESSED << SLOT_STATE_SHIFT; 1988f1ae32a1SGerd Hoffmann DPRINTF("xhci: output slot context: %08x %08x %08x %08x\n", 1989f1ae32a1SGerd Hoffmann slot_ctx[0], slot_ctx[1], slot_ctx[2], slot_ctx[3]); 199059a70ccdSDavid Gibson pci_dma_write(&xhci->pci_dev, octx, slot_ctx, sizeof(slot_ctx)); 1991f1ae32a1SGerd Hoffmann 1992f1ae32a1SGerd Hoffmann return CC_SUCCESS; 1993f1ae32a1SGerd Hoffmann } 1994f1ae32a1SGerd Hoffmann 199559a70ccdSDavid Gibson pci_dma_read(&xhci->pci_dev, ictx, ictl_ctx, sizeof(ictl_ctx)); 1996f1ae32a1SGerd Hoffmann 1997f1ae32a1SGerd Hoffmann if ((ictl_ctx[0] & 0x3) != 0x0 || (ictl_ctx[1] & 0x3) != 0x1) { 1998f1ae32a1SGerd Hoffmann fprintf(stderr, "xhci: invalid input context control %08x %08x\n", 1999f1ae32a1SGerd Hoffmann ictl_ctx[0], ictl_ctx[1]); 2000f1ae32a1SGerd Hoffmann return CC_TRB_ERROR; 2001f1ae32a1SGerd Hoffmann } 2002f1ae32a1SGerd Hoffmann 200359a70ccdSDavid Gibson pci_dma_read(&xhci->pci_dev, ictx+32, islot_ctx, sizeof(islot_ctx)); 200459a70ccdSDavid Gibson pci_dma_read(&xhci->pci_dev, octx, slot_ctx, sizeof(slot_ctx)); 2005f1ae32a1SGerd Hoffmann 2006f1ae32a1SGerd Hoffmann if (SLOT_STATE(slot_ctx[3]) < SLOT_ADDRESSED) { 2007f1ae32a1SGerd Hoffmann fprintf(stderr, "xhci: invalid slot state %08x\n", slot_ctx[3]); 2008f1ae32a1SGerd Hoffmann return CC_CONTEXT_STATE_ERROR; 2009f1ae32a1SGerd Hoffmann } 2010f1ae32a1SGerd Hoffmann 2011f1ae32a1SGerd Hoffmann for (i = 2; i <= 31; i++) { 2012f1ae32a1SGerd Hoffmann if (ictl_ctx[0] & (1<<i)) { 2013f1ae32a1SGerd Hoffmann xhci_disable_ep(xhci, slotid, i); 2014f1ae32a1SGerd Hoffmann } 2015f1ae32a1SGerd Hoffmann if (ictl_ctx[1] & (1<<i)) { 201659a70ccdSDavid Gibson pci_dma_read(&xhci->pci_dev, ictx+32+(32*i), ep_ctx, 201759a70ccdSDavid Gibson sizeof(ep_ctx)); 2018f1ae32a1SGerd Hoffmann DPRINTF("xhci: input ep%d.%d context: %08x %08x %08x %08x %08x\n", 2019f1ae32a1SGerd Hoffmann i/2, i%2, ep_ctx[0], ep_ctx[1], ep_ctx[2], 2020f1ae32a1SGerd Hoffmann ep_ctx[3], ep_ctx[4]); 2021f1ae32a1SGerd Hoffmann xhci_disable_ep(xhci, slotid, i); 2022f1ae32a1SGerd Hoffmann res = xhci_enable_ep(xhci, slotid, i, octx+(32*i), ep_ctx); 2023f1ae32a1SGerd Hoffmann if (res != CC_SUCCESS) { 2024f1ae32a1SGerd Hoffmann return res; 2025f1ae32a1SGerd Hoffmann } 2026f1ae32a1SGerd Hoffmann DPRINTF("xhci: output ep%d.%d context: %08x %08x %08x %08x %08x\n", 2027f1ae32a1SGerd Hoffmann i/2, i%2, ep_ctx[0], ep_ctx[1], ep_ctx[2], 2028f1ae32a1SGerd Hoffmann ep_ctx[3], ep_ctx[4]); 202959a70ccdSDavid Gibson pci_dma_write(&xhci->pci_dev, octx+(32*i), ep_ctx, sizeof(ep_ctx)); 2030f1ae32a1SGerd Hoffmann } 2031f1ae32a1SGerd Hoffmann } 2032f1ae32a1SGerd Hoffmann 2033f1ae32a1SGerd Hoffmann slot_ctx[3] &= ~(SLOT_STATE_MASK << SLOT_STATE_SHIFT); 2034f1ae32a1SGerd Hoffmann slot_ctx[3] |= SLOT_CONFIGURED << SLOT_STATE_SHIFT; 2035f1ae32a1SGerd Hoffmann slot_ctx[0] &= ~(SLOT_CONTEXT_ENTRIES_MASK << SLOT_CONTEXT_ENTRIES_SHIFT); 2036f1ae32a1SGerd Hoffmann slot_ctx[0] |= islot_ctx[0] & (SLOT_CONTEXT_ENTRIES_MASK << 2037f1ae32a1SGerd Hoffmann SLOT_CONTEXT_ENTRIES_SHIFT); 2038f1ae32a1SGerd Hoffmann DPRINTF("xhci: output slot context: %08x %08x %08x %08x\n", 2039f1ae32a1SGerd Hoffmann slot_ctx[0], slot_ctx[1], slot_ctx[2], slot_ctx[3]); 2040f1ae32a1SGerd Hoffmann 204159a70ccdSDavid Gibson pci_dma_write(&xhci->pci_dev, octx, slot_ctx, sizeof(slot_ctx)); 2042f1ae32a1SGerd Hoffmann 2043f1ae32a1SGerd Hoffmann return CC_SUCCESS; 2044f1ae32a1SGerd Hoffmann } 2045f1ae32a1SGerd Hoffmann 2046f1ae32a1SGerd Hoffmann 2047f1ae32a1SGerd Hoffmann static TRBCCode xhci_evaluate_slot(XHCIState *xhci, unsigned int slotid, 2048f1ae32a1SGerd Hoffmann uint64_t pictx) 2049f1ae32a1SGerd Hoffmann { 205059a70ccdSDavid Gibson dma_addr_t ictx, octx; 2051f1ae32a1SGerd Hoffmann uint32_t ictl_ctx[2]; 2052f1ae32a1SGerd Hoffmann uint32_t iep0_ctx[5]; 2053f1ae32a1SGerd Hoffmann uint32_t ep0_ctx[5]; 2054f1ae32a1SGerd Hoffmann uint32_t islot_ctx[4]; 2055f1ae32a1SGerd Hoffmann uint32_t slot_ctx[4]; 2056f1ae32a1SGerd Hoffmann 2057348f1037SGerd Hoffmann trace_usb_xhci_slot_evaluate(slotid); 205891062ae0SGerd Hoffmann assert(slotid >= 1 && slotid <= xhci->numslots); 2059f1ae32a1SGerd Hoffmann 2060f1ae32a1SGerd Hoffmann ictx = xhci_mask64(pictx); 2061f1ae32a1SGerd Hoffmann octx = xhci->slots[slotid-1].ctx; 2062f1ae32a1SGerd Hoffmann 206359a70ccdSDavid Gibson DPRINTF("xhci: input context at "DMA_ADDR_FMT"\n", ictx); 206459a70ccdSDavid Gibson DPRINTF("xhci: output context at "DMA_ADDR_FMT"\n", octx); 2065f1ae32a1SGerd Hoffmann 206659a70ccdSDavid Gibson pci_dma_read(&xhci->pci_dev, ictx, ictl_ctx, sizeof(ictl_ctx)); 2067f1ae32a1SGerd Hoffmann 2068f1ae32a1SGerd Hoffmann if (ictl_ctx[0] != 0x0 || ictl_ctx[1] & ~0x3) { 2069f1ae32a1SGerd Hoffmann fprintf(stderr, "xhci: invalid input context control %08x %08x\n", 2070f1ae32a1SGerd Hoffmann ictl_ctx[0], ictl_ctx[1]); 2071f1ae32a1SGerd Hoffmann return CC_TRB_ERROR; 2072f1ae32a1SGerd Hoffmann } 2073f1ae32a1SGerd Hoffmann 2074f1ae32a1SGerd Hoffmann if (ictl_ctx[1] & 0x1) { 207559a70ccdSDavid Gibson pci_dma_read(&xhci->pci_dev, ictx+32, islot_ctx, sizeof(islot_ctx)); 2076f1ae32a1SGerd Hoffmann 2077f1ae32a1SGerd Hoffmann DPRINTF("xhci: input slot context: %08x %08x %08x %08x\n", 2078f1ae32a1SGerd Hoffmann islot_ctx[0], islot_ctx[1], islot_ctx[2], islot_ctx[3]); 2079f1ae32a1SGerd Hoffmann 208059a70ccdSDavid Gibson pci_dma_read(&xhci->pci_dev, octx, slot_ctx, sizeof(slot_ctx)); 2081f1ae32a1SGerd Hoffmann 2082f1ae32a1SGerd Hoffmann slot_ctx[1] &= ~0xFFFF; /* max exit latency */ 2083f1ae32a1SGerd Hoffmann slot_ctx[1] |= islot_ctx[1] & 0xFFFF; 2084f1ae32a1SGerd Hoffmann slot_ctx[2] &= ~0xFF00000; /* interrupter target */ 2085f1ae32a1SGerd Hoffmann slot_ctx[2] |= islot_ctx[2] & 0xFF000000; 2086f1ae32a1SGerd Hoffmann 2087f1ae32a1SGerd Hoffmann DPRINTF("xhci: output slot context: %08x %08x %08x %08x\n", 2088f1ae32a1SGerd Hoffmann slot_ctx[0], slot_ctx[1], slot_ctx[2], slot_ctx[3]); 2089f1ae32a1SGerd Hoffmann 209059a70ccdSDavid Gibson pci_dma_write(&xhci->pci_dev, octx, slot_ctx, sizeof(slot_ctx)); 2091f1ae32a1SGerd Hoffmann } 2092f1ae32a1SGerd Hoffmann 2093f1ae32a1SGerd Hoffmann if (ictl_ctx[1] & 0x2) { 209459a70ccdSDavid Gibson pci_dma_read(&xhci->pci_dev, ictx+64, iep0_ctx, sizeof(iep0_ctx)); 2095f1ae32a1SGerd Hoffmann 2096f1ae32a1SGerd Hoffmann DPRINTF("xhci: input ep0 context: %08x %08x %08x %08x %08x\n", 2097f1ae32a1SGerd Hoffmann iep0_ctx[0], iep0_ctx[1], iep0_ctx[2], 2098f1ae32a1SGerd Hoffmann iep0_ctx[3], iep0_ctx[4]); 2099f1ae32a1SGerd Hoffmann 210059a70ccdSDavid Gibson pci_dma_read(&xhci->pci_dev, octx+32, ep0_ctx, sizeof(ep0_ctx)); 2101f1ae32a1SGerd Hoffmann 2102f1ae32a1SGerd Hoffmann ep0_ctx[1] &= ~0xFFFF0000; /* max packet size*/ 2103f1ae32a1SGerd Hoffmann ep0_ctx[1] |= iep0_ctx[1] & 0xFFFF0000; 2104f1ae32a1SGerd Hoffmann 2105f1ae32a1SGerd Hoffmann DPRINTF("xhci: output ep0 context: %08x %08x %08x %08x %08x\n", 2106f1ae32a1SGerd Hoffmann ep0_ctx[0], ep0_ctx[1], ep0_ctx[2], ep0_ctx[3], ep0_ctx[4]); 2107f1ae32a1SGerd Hoffmann 210859a70ccdSDavid Gibson pci_dma_write(&xhci->pci_dev, octx+32, ep0_ctx, sizeof(ep0_ctx)); 2109f1ae32a1SGerd Hoffmann } 2110f1ae32a1SGerd Hoffmann 2111f1ae32a1SGerd Hoffmann return CC_SUCCESS; 2112f1ae32a1SGerd Hoffmann } 2113f1ae32a1SGerd Hoffmann 2114f1ae32a1SGerd Hoffmann static TRBCCode xhci_reset_slot(XHCIState *xhci, unsigned int slotid) 2115f1ae32a1SGerd Hoffmann { 2116f1ae32a1SGerd Hoffmann uint32_t slot_ctx[4]; 211759a70ccdSDavid Gibson dma_addr_t octx; 2118f1ae32a1SGerd Hoffmann int i; 2119f1ae32a1SGerd Hoffmann 2120348f1037SGerd Hoffmann trace_usb_xhci_slot_reset(slotid); 212191062ae0SGerd Hoffmann assert(slotid >= 1 && slotid <= xhci->numslots); 2122f1ae32a1SGerd Hoffmann 2123f1ae32a1SGerd Hoffmann octx = xhci->slots[slotid-1].ctx; 2124f1ae32a1SGerd Hoffmann 212559a70ccdSDavid Gibson DPRINTF("xhci: output context at "DMA_ADDR_FMT"\n", octx); 2126f1ae32a1SGerd Hoffmann 2127f1ae32a1SGerd Hoffmann for (i = 2; i <= 31; i++) { 2128f1ae32a1SGerd Hoffmann if (xhci->slots[slotid-1].eps[i-1]) { 2129f1ae32a1SGerd Hoffmann xhci_disable_ep(xhci, slotid, i); 2130f1ae32a1SGerd Hoffmann } 2131f1ae32a1SGerd Hoffmann } 2132f1ae32a1SGerd Hoffmann 213359a70ccdSDavid Gibson pci_dma_read(&xhci->pci_dev, octx, slot_ctx, sizeof(slot_ctx)); 2134f1ae32a1SGerd Hoffmann slot_ctx[3] &= ~(SLOT_STATE_MASK << SLOT_STATE_SHIFT); 2135f1ae32a1SGerd Hoffmann slot_ctx[3] |= SLOT_DEFAULT << SLOT_STATE_SHIFT; 2136f1ae32a1SGerd Hoffmann DPRINTF("xhci: output slot context: %08x %08x %08x %08x\n", 2137f1ae32a1SGerd Hoffmann slot_ctx[0], slot_ctx[1], slot_ctx[2], slot_ctx[3]); 213859a70ccdSDavid Gibson pci_dma_write(&xhci->pci_dev, octx, slot_ctx, sizeof(slot_ctx)); 2139f1ae32a1SGerd Hoffmann 2140f1ae32a1SGerd Hoffmann return CC_SUCCESS; 2141f1ae32a1SGerd Hoffmann } 2142f1ae32a1SGerd Hoffmann 2143f1ae32a1SGerd Hoffmann static unsigned int xhci_get_slot(XHCIState *xhci, XHCIEvent *event, XHCITRB *trb) 2144f1ae32a1SGerd Hoffmann { 2145f1ae32a1SGerd Hoffmann unsigned int slotid; 2146f1ae32a1SGerd Hoffmann slotid = (trb->control >> TRB_CR_SLOTID_SHIFT) & TRB_CR_SLOTID_MASK; 214791062ae0SGerd Hoffmann if (slotid < 1 || slotid > xhci->numslots) { 2148f1ae32a1SGerd Hoffmann fprintf(stderr, "xhci: bad slot id %d\n", slotid); 2149f1ae32a1SGerd Hoffmann event->ccode = CC_TRB_ERROR; 2150f1ae32a1SGerd Hoffmann return 0; 2151f1ae32a1SGerd Hoffmann } else if (!xhci->slots[slotid-1].enabled) { 2152f1ae32a1SGerd Hoffmann fprintf(stderr, "xhci: slot id %d not enabled\n", slotid); 2153f1ae32a1SGerd Hoffmann event->ccode = CC_SLOT_NOT_ENABLED_ERROR; 2154f1ae32a1SGerd Hoffmann return 0; 2155f1ae32a1SGerd Hoffmann } 2156f1ae32a1SGerd Hoffmann return slotid; 2157f1ae32a1SGerd Hoffmann } 2158f1ae32a1SGerd Hoffmann 2159f1ae32a1SGerd Hoffmann static TRBCCode xhci_get_port_bandwidth(XHCIState *xhci, uint64_t pctx) 2160f1ae32a1SGerd Hoffmann { 216159a70ccdSDavid Gibson dma_addr_t ctx; 21620846e635SGerd Hoffmann uint8_t bw_ctx[xhci->numports+1]; 2163f1ae32a1SGerd Hoffmann 2164f1ae32a1SGerd Hoffmann DPRINTF("xhci_get_port_bandwidth()\n"); 2165f1ae32a1SGerd Hoffmann 2166f1ae32a1SGerd Hoffmann ctx = xhci_mask64(pctx); 2167f1ae32a1SGerd Hoffmann 216859a70ccdSDavid Gibson DPRINTF("xhci: bandwidth context at "DMA_ADDR_FMT"\n", ctx); 2169f1ae32a1SGerd Hoffmann 2170f1ae32a1SGerd Hoffmann /* TODO: actually implement real values here */ 2171f1ae32a1SGerd Hoffmann bw_ctx[0] = 0; 21720846e635SGerd Hoffmann memset(&bw_ctx[1], 80, xhci->numports); /* 80% */ 217359a70ccdSDavid Gibson pci_dma_write(&xhci->pci_dev, ctx, bw_ctx, sizeof(bw_ctx)); 2174f1ae32a1SGerd Hoffmann 2175f1ae32a1SGerd Hoffmann return CC_SUCCESS; 2176f1ae32a1SGerd Hoffmann } 2177f1ae32a1SGerd Hoffmann 2178f1ae32a1SGerd Hoffmann static uint32_t rotl(uint32_t v, unsigned count) 2179f1ae32a1SGerd Hoffmann { 2180f1ae32a1SGerd Hoffmann count &= 31; 2181f1ae32a1SGerd Hoffmann return (v << count) | (v >> (32 - count)); 2182f1ae32a1SGerd Hoffmann } 2183f1ae32a1SGerd Hoffmann 2184f1ae32a1SGerd Hoffmann 2185f1ae32a1SGerd Hoffmann static uint32_t xhci_nec_challenge(uint32_t hi, uint32_t lo) 2186f1ae32a1SGerd Hoffmann { 2187f1ae32a1SGerd Hoffmann uint32_t val; 2188f1ae32a1SGerd Hoffmann val = rotl(lo - 0x49434878, 32 - ((hi>>8) & 0x1F)); 2189f1ae32a1SGerd Hoffmann val += rotl(lo + 0x49434878, hi & 0x1F); 2190f1ae32a1SGerd Hoffmann val -= rotl(hi ^ 0x49434878, (lo >> 16) & 0x1F); 2191f1ae32a1SGerd Hoffmann return ~val; 2192f1ae32a1SGerd Hoffmann } 2193f1ae32a1SGerd Hoffmann 219459a70ccdSDavid Gibson static void xhci_via_challenge(XHCIState *xhci, uint64_t addr) 2195f1ae32a1SGerd Hoffmann { 2196f1ae32a1SGerd Hoffmann uint32_t buf[8]; 2197f1ae32a1SGerd Hoffmann uint32_t obuf[8]; 219859a70ccdSDavid Gibson dma_addr_t paddr = xhci_mask64(addr); 2199f1ae32a1SGerd Hoffmann 220059a70ccdSDavid Gibson pci_dma_read(&xhci->pci_dev, paddr, &buf, 32); 2201f1ae32a1SGerd Hoffmann 2202f1ae32a1SGerd Hoffmann memcpy(obuf, buf, sizeof(obuf)); 2203f1ae32a1SGerd Hoffmann 2204f1ae32a1SGerd Hoffmann if ((buf[0] & 0xff) == 2) { 2205f1ae32a1SGerd Hoffmann obuf[0] = 0x49932000 + 0x54dc200 * buf[2] + 0x7429b578 * buf[3]; 2206f1ae32a1SGerd Hoffmann obuf[0] |= (buf[2] * buf[3]) & 0xff; 2207f1ae32a1SGerd Hoffmann obuf[1] = 0x0132bb37 + 0xe89 * buf[2] + 0xf09 * buf[3]; 2208f1ae32a1SGerd Hoffmann obuf[2] = 0x0066c2e9 + 0x2091 * buf[2] + 0x19bd * buf[3]; 2209f1ae32a1SGerd Hoffmann obuf[3] = 0xd5281342 + 0x2cc9691 * buf[2] + 0x2367662 * buf[3]; 2210f1ae32a1SGerd Hoffmann obuf[4] = 0x0123c75c + 0x1595 * buf[2] + 0x19ec * buf[3]; 2211f1ae32a1SGerd Hoffmann obuf[5] = 0x00f695de + 0x26fd * buf[2] + 0x3e9 * buf[3]; 2212f1ae32a1SGerd Hoffmann obuf[6] = obuf[2] ^ obuf[3] ^ 0x29472956; 2213f1ae32a1SGerd Hoffmann obuf[7] = obuf[2] ^ obuf[3] ^ 0x65866593; 2214f1ae32a1SGerd Hoffmann } 2215f1ae32a1SGerd Hoffmann 221659a70ccdSDavid Gibson pci_dma_write(&xhci->pci_dev, paddr, &obuf, 32); 2217f1ae32a1SGerd Hoffmann } 2218f1ae32a1SGerd Hoffmann 2219f1ae32a1SGerd Hoffmann static void xhci_process_commands(XHCIState *xhci) 2220f1ae32a1SGerd Hoffmann { 2221f1ae32a1SGerd Hoffmann XHCITRB trb; 2222f1ae32a1SGerd Hoffmann TRBType type; 2223f1ae32a1SGerd Hoffmann XHCIEvent event = {ER_COMMAND_COMPLETE, CC_SUCCESS}; 222459a70ccdSDavid Gibson dma_addr_t addr; 2225f1ae32a1SGerd Hoffmann unsigned int i, slotid = 0; 2226f1ae32a1SGerd Hoffmann 2227f1ae32a1SGerd Hoffmann DPRINTF("xhci_process_commands()\n"); 2228f1ae32a1SGerd Hoffmann if (!xhci_running(xhci)) { 2229f1ae32a1SGerd Hoffmann DPRINTF("xhci_process_commands() called while xHC stopped or paused\n"); 2230f1ae32a1SGerd Hoffmann return; 2231f1ae32a1SGerd Hoffmann } 2232f1ae32a1SGerd Hoffmann 2233f1ae32a1SGerd Hoffmann xhci->crcr_low |= CRCR_CRR; 2234f1ae32a1SGerd Hoffmann 2235f1ae32a1SGerd Hoffmann while ((type = xhci_ring_fetch(xhci, &xhci->cmd_ring, &trb, &addr))) { 2236f1ae32a1SGerd Hoffmann event.ptr = addr; 2237f1ae32a1SGerd Hoffmann switch (type) { 2238f1ae32a1SGerd Hoffmann case CR_ENABLE_SLOT: 223991062ae0SGerd Hoffmann for (i = 0; i < xhci->numslots; i++) { 2240f1ae32a1SGerd Hoffmann if (!xhci->slots[i].enabled) { 2241f1ae32a1SGerd Hoffmann break; 2242f1ae32a1SGerd Hoffmann } 2243f1ae32a1SGerd Hoffmann } 224491062ae0SGerd Hoffmann if (i >= xhci->numslots) { 2245f1ae32a1SGerd Hoffmann fprintf(stderr, "xhci: no device slots available\n"); 2246f1ae32a1SGerd Hoffmann event.ccode = CC_NO_SLOTS_ERROR; 2247f1ae32a1SGerd Hoffmann } else { 2248f1ae32a1SGerd Hoffmann slotid = i+1; 2249f1ae32a1SGerd Hoffmann event.ccode = xhci_enable_slot(xhci, slotid); 2250f1ae32a1SGerd Hoffmann } 2251f1ae32a1SGerd Hoffmann break; 2252f1ae32a1SGerd Hoffmann case CR_DISABLE_SLOT: 2253f1ae32a1SGerd Hoffmann slotid = xhci_get_slot(xhci, &event, &trb); 2254f1ae32a1SGerd Hoffmann if (slotid) { 2255f1ae32a1SGerd Hoffmann event.ccode = xhci_disable_slot(xhci, slotid); 2256f1ae32a1SGerd Hoffmann } 2257f1ae32a1SGerd Hoffmann break; 2258f1ae32a1SGerd Hoffmann case CR_ADDRESS_DEVICE: 2259f1ae32a1SGerd Hoffmann slotid = xhci_get_slot(xhci, &event, &trb); 2260f1ae32a1SGerd Hoffmann if (slotid) { 2261f1ae32a1SGerd Hoffmann event.ccode = xhci_address_slot(xhci, slotid, trb.parameter, 2262f1ae32a1SGerd Hoffmann trb.control & TRB_CR_BSR); 2263f1ae32a1SGerd Hoffmann } 2264f1ae32a1SGerd Hoffmann break; 2265f1ae32a1SGerd Hoffmann case CR_CONFIGURE_ENDPOINT: 2266f1ae32a1SGerd Hoffmann slotid = xhci_get_slot(xhci, &event, &trb); 2267f1ae32a1SGerd Hoffmann if (slotid) { 2268f1ae32a1SGerd Hoffmann event.ccode = xhci_configure_slot(xhci, slotid, trb.parameter, 2269f1ae32a1SGerd Hoffmann trb.control & TRB_CR_DC); 2270f1ae32a1SGerd Hoffmann } 2271f1ae32a1SGerd Hoffmann break; 2272f1ae32a1SGerd Hoffmann case CR_EVALUATE_CONTEXT: 2273f1ae32a1SGerd Hoffmann slotid = xhci_get_slot(xhci, &event, &trb); 2274f1ae32a1SGerd Hoffmann if (slotid) { 2275f1ae32a1SGerd Hoffmann event.ccode = xhci_evaluate_slot(xhci, slotid, trb.parameter); 2276f1ae32a1SGerd Hoffmann } 2277f1ae32a1SGerd Hoffmann break; 2278f1ae32a1SGerd Hoffmann case CR_STOP_ENDPOINT: 2279f1ae32a1SGerd Hoffmann slotid = xhci_get_slot(xhci, &event, &trb); 2280f1ae32a1SGerd Hoffmann if (slotid) { 2281f1ae32a1SGerd Hoffmann unsigned int epid = (trb.control >> TRB_CR_EPID_SHIFT) 2282f1ae32a1SGerd Hoffmann & TRB_CR_EPID_MASK; 2283f1ae32a1SGerd Hoffmann event.ccode = xhci_stop_ep(xhci, slotid, epid); 2284f1ae32a1SGerd Hoffmann } 2285f1ae32a1SGerd Hoffmann break; 2286f1ae32a1SGerd Hoffmann case CR_RESET_ENDPOINT: 2287f1ae32a1SGerd Hoffmann slotid = xhci_get_slot(xhci, &event, &trb); 2288f1ae32a1SGerd Hoffmann if (slotid) { 2289f1ae32a1SGerd Hoffmann unsigned int epid = (trb.control >> TRB_CR_EPID_SHIFT) 2290f1ae32a1SGerd Hoffmann & TRB_CR_EPID_MASK; 2291f1ae32a1SGerd Hoffmann event.ccode = xhci_reset_ep(xhci, slotid, epid); 2292f1ae32a1SGerd Hoffmann } 2293f1ae32a1SGerd Hoffmann break; 2294f1ae32a1SGerd Hoffmann case CR_SET_TR_DEQUEUE: 2295f1ae32a1SGerd Hoffmann slotid = xhci_get_slot(xhci, &event, &trb); 2296f1ae32a1SGerd Hoffmann if (slotid) { 2297f1ae32a1SGerd Hoffmann unsigned int epid = (trb.control >> TRB_CR_EPID_SHIFT) 2298f1ae32a1SGerd Hoffmann & TRB_CR_EPID_MASK; 2299f1ae32a1SGerd Hoffmann event.ccode = xhci_set_ep_dequeue(xhci, slotid, epid, 2300f1ae32a1SGerd Hoffmann trb.parameter); 2301f1ae32a1SGerd Hoffmann } 2302f1ae32a1SGerd Hoffmann break; 2303f1ae32a1SGerd Hoffmann case CR_RESET_DEVICE: 2304f1ae32a1SGerd Hoffmann slotid = xhci_get_slot(xhci, &event, &trb); 2305f1ae32a1SGerd Hoffmann if (slotid) { 2306f1ae32a1SGerd Hoffmann event.ccode = xhci_reset_slot(xhci, slotid); 2307f1ae32a1SGerd Hoffmann } 2308f1ae32a1SGerd Hoffmann break; 2309f1ae32a1SGerd Hoffmann case CR_GET_PORT_BANDWIDTH: 2310f1ae32a1SGerd Hoffmann event.ccode = xhci_get_port_bandwidth(xhci, trb.parameter); 2311f1ae32a1SGerd Hoffmann break; 2312f1ae32a1SGerd Hoffmann case CR_VENDOR_VIA_CHALLENGE_RESPONSE: 231359a70ccdSDavid Gibson xhci_via_challenge(xhci, trb.parameter); 2314f1ae32a1SGerd Hoffmann break; 2315f1ae32a1SGerd Hoffmann case CR_VENDOR_NEC_FIRMWARE_REVISION: 2316f1ae32a1SGerd Hoffmann event.type = 48; /* NEC reply */ 2317f1ae32a1SGerd Hoffmann event.length = 0x3025; 2318f1ae32a1SGerd Hoffmann break; 2319f1ae32a1SGerd Hoffmann case CR_VENDOR_NEC_CHALLENGE_RESPONSE: 2320f1ae32a1SGerd Hoffmann { 2321f1ae32a1SGerd Hoffmann uint32_t chi = trb.parameter >> 32; 2322f1ae32a1SGerd Hoffmann uint32_t clo = trb.parameter; 2323f1ae32a1SGerd Hoffmann uint32_t val = xhci_nec_challenge(chi, clo); 2324f1ae32a1SGerd Hoffmann event.length = val & 0xFFFF; 2325f1ae32a1SGerd Hoffmann event.epid = val >> 16; 2326f1ae32a1SGerd Hoffmann slotid = val >> 24; 2327f1ae32a1SGerd Hoffmann event.type = 48; /* NEC reply */ 2328f1ae32a1SGerd Hoffmann } 2329f1ae32a1SGerd Hoffmann break; 2330f1ae32a1SGerd Hoffmann default: 2331f1ae32a1SGerd Hoffmann fprintf(stderr, "xhci: unimplemented command %d\n", type); 2332f1ae32a1SGerd Hoffmann event.ccode = CC_TRB_ERROR; 2333f1ae32a1SGerd Hoffmann break; 2334f1ae32a1SGerd Hoffmann } 2335f1ae32a1SGerd Hoffmann event.slotid = slotid; 23362d1de850SGerd Hoffmann xhci_event(xhci, &event, 0); 2337f1ae32a1SGerd Hoffmann } 2338f1ae32a1SGerd Hoffmann } 2339f1ae32a1SGerd Hoffmann 23406a32f80fSGerd Hoffmann static bool xhci_port_have_device(XHCIPort *port) 23416a32f80fSGerd Hoffmann { 23426a32f80fSGerd Hoffmann if (!port->uport->dev || !port->uport->dev->attached) { 23436a32f80fSGerd Hoffmann return false; /* no device present */ 23446a32f80fSGerd Hoffmann } 23456a32f80fSGerd Hoffmann if (!((1 << port->uport->dev->speed) & port->speedmask)) { 23466a32f80fSGerd Hoffmann return false; /* speed mismatch */ 23476a32f80fSGerd Hoffmann } 23486a32f80fSGerd Hoffmann return true; 23496a32f80fSGerd Hoffmann } 23506a32f80fSGerd Hoffmann 2351f705a362SGerd Hoffmann static void xhci_port_notify(XHCIPort *port, uint32_t bits) 2352f705a362SGerd Hoffmann { 2353f705a362SGerd Hoffmann XHCIEvent ev = { ER_PORT_STATUS_CHANGE, CC_SUCCESS, 2354f705a362SGerd Hoffmann port->portnr << 24 }; 2355f705a362SGerd Hoffmann 2356f705a362SGerd Hoffmann if ((port->portsc & bits) == bits) { 2357f705a362SGerd Hoffmann return; 2358f705a362SGerd Hoffmann } 2359f705a362SGerd Hoffmann port->portsc |= bits; 2360f705a362SGerd Hoffmann if (!xhci_running(port->xhci)) { 2361f705a362SGerd Hoffmann return; 2362f705a362SGerd Hoffmann } 2363f705a362SGerd Hoffmann xhci_event(port->xhci, &ev, 0); 2364f705a362SGerd Hoffmann } 2365f705a362SGerd Hoffmann 2366f3214027SGerd Hoffmann static void xhci_port_update(XHCIPort *port, int is_detach) 2367f1ae32a1SGerd Hoffmann { 2368b62b0828SGerd Hoffmann uint32_t pls = PLS_RX_DETECT; 2369b62b0828SGerd Hoffmann 2370f1ae32a1SGerd Hoffmann port->portsc = PORTSC_PP; 23716a32f80fSGerd Hoffmann if (!is_detach && xhci_port_have_device(port)) { 2372f1ae32a1SGerd Hoffmann port->portsc |= PORTSC_CCS; 23730846e635SGerd Hoffmann switch (port->uport->dev->speed) { 2374f1ae32a1SGerd Hoffmann case USB_SPEED_LOW: 2375f1ae32a1SGerd Hoffmann port->portsc |= PORTSC_SPEED_LOW; 2376b62b0828SGerd Hoffmann pls = PLS_POLLING; 2377f1ae32a1SGerd Hoffmann break; 2378f1ae32a1SGerd Hoffmann case USB_SPEED_FULL: 2379f1ae32a1SGerd Hoffmann port->portsc |= PORTSC_SPEED_FULL; 2380b62b0828SGerd Hoffmann pls = PLS_POLLING; 2381f1ae32a1SGerd Hoffmann break; 2382f1ae32a1SGerd Hoffmann case USB_SPEED_HIGH: 2383f1ae32a1SGerd Hoffmann port->portsc |= PORTSC_SPEED_HIGH; 2384b62b0828SGerd Hoffmann pls = PLS_POLLING; 2385f1ae32a1SGerd Hoffmann break; 23860846e635SGerd Hoffmann case USB_SPEED_SUPER: 23870846e635SGerd Hoffmann port->portsc |= PORTSC_SPEED_SUPER; 2388b62b0828SGerd Hoffmann port->portsc |= PORTSC_PED; 2389b62b0828SGerd Hoffmann pls = PLS_U0; 23900846e635SGerd Hoffmann break; 2391f1ae32a1SGerd Hoffmann } 2392f1ae32a1SGerd Hoffmann } 2393b62b0828SGerd Hoffmann set_field(&port->portsc, pls, PORTSC_PLS); 2394*4f47f0f8SGerd Hoffmann trace_usb_xhci_port_link(port->portnr, pls); 2395f705a362SGerd Hoffmann xhci_port_notify(port, PORTSC_CSC); 2396f1ae32a1SGerd Hoffmann } 2397f1ae32a1SGerd Hoffmann 239840030130SGerd Hoffmann static void xhci_port_reset(XHCIPort *port) 239940030130SGerd Hoffmann { 2400*4f47f0f8SGerd Hoffmann trace_usb_xhci_port_reset(port->portnr); 2401*4f47f0f8SGerd Hoffmann 2402b62b0828SGerd Hoffmann if (!xhci_port_have_device(port)) { 2403b62b0828SGerd Hoffmann return; 2404b62b0828SGerd Hoffmann } 2405b62b0828SGerd Hoffmann 240640030130SGerd Hoffmann usb_device_reset(port->uport->dev); 2407b62b0828SGerd Hoffmann 2408b62b0828SGerd Hoffmann switch (port->uport->dev->speed) { 2409b62b0828SGerd Hoffmann case USB_SPEED_LOW: 2410b62b0828SGerd Hoffmann case USB_SPEED_FULL: 2411b62b0828SGerd Hoffmann case USB_SPEED_HIGH: 2412b62b0828SGerd Hoffmann set_field(&port->portsc, PLS_U0, PORTSC_PLS); 2413*4f47f0f8SGerd Hoffmann trace_usb_xhci_port_link(port->portnr, PLS_U0); 2414b62b0828SGerd Hoffmann port->portsc |= PORTSC_PED; 2415b62b0828SGerd Hoffmann break; 2416b62b0828SGerd Hoffmann } 2417b62b0828SGerd Hoffmann 2418b62b0828SGerd Hoffmann port->portsc &= ~PORTSC_PR; 2419b62b0828SGerd Hoffmann xhci_port_notify(port, PORTSC_PRC); 242040030130SGerd Hoffmann } 242140030130SGerd Hoffmann 242264619739SJan Kiszka static void xhci_reset(DeviceState *dev) 2423f1ae32a1SGerd Hoffmann { 242464619739SJan Kiszka XHCIState *xhci = DO_UPCAST(XHCIState, pci_dev.qdev, dev); 2425f1ae32a1SGerd Hoffmann int i; 2426f1ae32a1SGerd Hoffmann 24272d754a10SGerd Hoffmann trace_usb_xhci_reset(); 2428f1ae32a1SGerd Hoffmann if (!(xhci->usbsts & USBSTS_HCH)) { 2429f1ae32a1SGerd Hoffmann fprintf(stderr, "xhci: reset while running!\n"); 2430f1ae32a1SGerd Hoffmann } 2431f1ae32a1SGerd Hoffmann 2432f1ae32a1SGerd Hoffmann xhci->usbcmd = 0; 2433f1ae32a1SGerd Hoffmann xhci->usbsts = USBSTS_HCH; 2434f1ae32a1SGerd Hoffmann xhci->dnctrl = 0; 2435f1ae32a1SGerd Hoffmann xhci->crcr_low = 0; 2436f1ae32a1SGerd Hoffmann xhci->crcr_high = 0; 2437f1ae32a1SGerd Hoffmann xhci->dcbaap_low = 0; 2438f1ae32a1SGerd Hoffmann xhci->dcbaap_high = 0; 2439f1ae32a1SGerd Hoffmann xhci->config = 0; 2440f1ae32a1SGerd Hoffmann xhci->devaddr = 2; 2441f1ae32a1SGerd Hoffmann 244291062ae0SGerd Hoffmann for (i = 0; i < xhci->numslots; i++) { 2443f1ae32a1SGerd Hoffmann xhci_disable_slot(xhci, i+1); 2444f1ae32a1SGerd Hoffmann } 2445f1ae32a1SGerd Hoffmann 24460846e635SGerd Hoffmann for (i = 0; i < xhci->numports; i++) { 2447f3214027SGerd Hoffmann xhci_port_update(xhci->ports + i, 0); 2448f1ae32a1SGerd Hoffmann } 2449f1ae32a1SGerd Hoffmann 245091062ae0SGerd Hoffmann for (i = 0; i < xhci->numintrs; i++) { 2451962d11e1SGerd Hoffmann xhci->intr[i].iman = 0; 2452962d11e1SGerd Hoffmann xhci->intr[i].imod = 0; 2453962d11e1SGerd Hoffmann xhci->intr[i].erstsz = 0; 2454962d11e1SGerd Hoffmann xhci->intr[i].erstba_low = 0; 2455962d11e1SGerd Hoffmann xhci->intr[i].erstba_high = 0; 2456962d11e1SGerd Hoffmann xhci->intr[i].erdp_low = 0; 2457962d11e1SGerd Hoffmann xhci->intr[i].erdp_high = 0; 2458962d11e1SGerd Hoffmann xhci->intr[i].msix_used = 0; 2459f1ae32a1SGerd Hoffmann 2460962d11e1SGerd Hoffmann xhci->intr[i].er_ep_idx = 0; 2461962d11e1SGerd Hoffmann xhci->intr[i].er_pcs = 1; 2462962d11e1SGerd Hoffmann xhci->intr[i].er_full = 0; 2463962d11e1SGerd Hoffmann xhci->intr[i].ev_buffer_put = 0; 2464962d11e1SGerd Hoffmann xhci->intr[i].ev_buffer_get = 0; 2465962d11e1SGerd Hoffmann } 246601546fa6SGerd Hoffmann 246701546fa6SGerd Hoffmann xhci->mfindex_start = qemu_get_clock_ns(vm_clock); 246801546fa6SGerd Hoffmann xhci_mfwrap_update(xhci); 2469f1ae32a1SGerd Hoffmann } 2470f1ae32a1SGerd Hoffmann 2471a8170e5eSAvi Kivity static uint64_t xhci_cap_read(void *ptr, hwaddr reg, unsigned size) 2472f1ae32a1SGerd Hoffmann { 24731b067564SGerd Hoffmann XHCIState *xhci = ptr; 24742d754a10SGerd Hoffmann uint32_t ret; 2475f1ae32a1SGerd Hoffmann 2476f1ae32a1SGerd Hoffmann switch (reg) { 2477f1ae32a1SGerd Hoffmann case 0x00: /* HCIVERSION, CAPLENGTH */ 24782d754a10SGerd Hoffmann ret = 0x01000000 | LEN_CAP; 24792d754a10SGerd Hoffmann break; 2480f1ae32a1SGerd Hoffmann case 0x04: /* HCSPARAMS 1 */ 24810846e635SGerd Hoffmann ret = ((xhci->numports_2+xhci->numports_3)<<24) 248291062ae0SGerd Hoffmann | (xhci->numintrs<<8) | xhci->numslots; 24832d754a10SGerd Hoffmann break; 2484f1ae32a1SGerd Hoffmann case 0x08: /* HCSPARAMS 2 */ 24852d754a10SGerd Hoffmann ret = 0x0000000f; 24862d754a10SGerd Hoffmann break; 2487f1ae32a1SGerd Hoffmann case 0x0c: /* HCSPARAMS 3 */ 24882d754a10SGerd Hoffmann ret = 0x00000000; 24892d754a10SGerd Hoffmann break; 2490f1ae32a1SGerd Hoffmann case 0x10: /* HCCPARAMS */ 24912d754a10SGerd Hoffmann if (sizeof(dma_addr_t) == 4) { 24922d754a10SGerd Hoffmann ret = 0x00081000; 24932d754a10SGerd Hoffmann } else { 24942d754a10SGerd Hoffmann ret = 0x00081001; 24952d754a10SGerd Hoffmann } 24962d754a10SGerd Hoffmann break; 2497f1ae32a1SGerd Hoffmann case 0x14: /* DBOFF */ 24982d754a10SGerd Hoffmann ret = OFF_DOORBELL; 24992d754a10SGerd Hoffmann break; 2500f1ae32a1SGerd Hoffmann case 0x18: /* RTSOFF */ 25012d754a10SGerd Hoffmann ret = OFF_RUNTIME; 25022d754a10SGerd Hoffmann break; 2503f1ae32a1SGerd Hoffmann 2504f1ae32a1SGerd Hoffmann /* extended capabilities */ 2505f1ae32a1SGerd Hoffmann case 0x20: /* Supported Protocol:00 */ 25062d754a10SGerd Hoffmann ret = 0x02000402; /* USB 2.0 */ 25072d754a10SGerd Hoffmann break; 2508f1ae32a1SGerd Hoffmann case 0x24: /* Supported Protocol:04 */ 25090ebfb144SGerd Hoffmann ret = 0x20425355; /* "USB " */ 25102d754a10SGerd Hoffmann break; 2511f1ae32a1SGerd Hoffmann case 0x28: /* Supported Protocol:08 */ 25120846e635SGerd Hoffmann ret = 0x00000001 | (xhci->numports_2<<8); 25132d754a10SGerd Hoffmann break; 2514f1ae32a1SGerd Hoffmann case 0x2c: /* Supported Protocol:0c */ 25152d754a10SGerd Hoffmann ret = 0x00000000; /* reserved */ 25162d754a10SGerd Hoffmann break; 2517f1ae32a1SGerd Hoffmann case 0x30: /* Supported Protocol:00 */ 25182d754a10SGerd Hoffmann ret = 0x03000002; /* USB 3.0 */ 25192d754a10SGerd Hoffmann break; 2520f1ae32a1SGerd Hoffmann case 0x34: /* Supported Protocol:04 */ 25210ebfb144SGerd Hoffmann ret = 0x20425355; /* "USB " */ 25222d754a10SGerd Hoffmann break; 2523f1ae32a1SGerd Hoffmann case 0x38: /* Supported Protocol:08 */ 25240846e635SGerd Hoffmann ret = 0x00000000 | (xhci->numports_2+1) | (xhci->numports_3<<8); 25252d754a10SGerd Hoffmann break; 2526f1ae32a1SGerd Hoffmann case 0x3c: /* Supported Protocol:0c */ 25272d754a10SGerd Hoffmann ret = 0x00000000; /* reserved */ 25282d754a10SGerd Hoffmann break; 2529f1ae32a1SGerd Hoffmann default: 25301b067564SGerd Hoffmann fprintf(stderr, "xhci_cap_read: reg %d unimplemented\n", (int)reg); 25312d754a10SGerd Hoffmann ret = 0; 2532f1ae32a1SGerd Hoffmann } 25332d754a10SGerd Hoffmann 25342d754a10SGerd Hoffmann trace_usb_xhci_cap_read(reg, ret); 25352d754a10SGerd Hoffmann return ret; 2536f1ae32a1SGerd Hoffmann } 2537f1ae32a1SGerd Hoffmann 2538a8170e5eSAvi Kivity static uint64_t xhci_port_read(void *ptr, hwaddr reg, unsigned size) 2539f1ae32a1SGerd Hoffmann { 25401d8a4e69SGerd Hoffmann XHCIPort *port = ptr; 25412d754a10SGerd Hoffmann uint32_t ret; 25422d754a10SGerd Hoffmann 25431d8a4e69SGerd Hoffmann switch (reg) { 2544f1ae32a1SGerd Hoffmann case 0x00: /* PORTSC */ 25451d8a4e69SGerd Hoffmann ret = port->portsc; 25462d754a10SGerd Hoffmann break; 2547f1ae32a1SGerd Hoffmann case 0x04: /* PORTPMSC */ 2548f1ae32a1SGerd Hoffmann case 0x08: /* PORTLI */ 25492d754a10SGerd Hoffmann ret = 0; 25502d754a10SGerd Hoffmann break; 2551f1ae32a1SGerd Hoffmann case 0x0c: /* reserved */ 2552f1ae32a1SGerd Hoffmann default: 2553f1ae32a1SGerd Hoffmann fprintf(stderr, "xhci_port_read (port %d): reg 0x%x unimplemented\n", 25541d8a4e69SGerd Hoffmann port->portnr, (uint32_t)reg); 25552d754a10SGerd Hoffmann ret = 0; 2556f1ae32a1SGerd Hoffmann } 25572d754a10SGerd Hoffmann 25581d8a4e69SGerd Hoffmann trace_usb_xhci_port_read(port->portnr, reg, ret); 25592d754a10SGerd Hoffmann return ret; 2560f1ae32a1SGerd Hoffmann } 2561f1ae32a1SGerd Hoffmann 2562a8170e5eSAvi Kivity static void xhci_port_write(void *ptr, hwaddr reg, 25631d8a4e69SGerd Hoffmann uint64_t val, unsigned size) 2564f1ae32a1SGerd Hoffmann { 25651d8a4e69SGerd Hoffmann XHCIPort *port = ptr; 2566f1ae32a1SGerd Hoffmann uint32_t portsc; 2567f1ae32a1SGerd Hoffmann 25681d8a4e69SGerd Hoffmann trace_usb_xhci_port_write(port->portnr, reg, val); 25692d754a10SGerd Hoffmann 25701d8a4e69SGerd Hoffmann switch (reg) { 2571f1ae32a1SGerd Hoffmann case 0x00: /* PORTSC */ 25721d8a4e69SGerd Hoffmann portsc = port->portsc; 2573f1ae32a1SGerd Hoffmann /* write-1-to-clear bits*/ 2574f1ae32a1SGerd Hoffmann portsc &= ~(val & (PORTSC_CSC|PORTSC_PEC|PORTSC_WRC|PORTSC_OCC| 2575f1ae32a1SGerd Hoffmann PORTSC_PRC|PORTSC_PLC|PORTSC_CEC)); 2576f1ae32a1SGerd Hoffmann if (val & PORTSC_LWS) { 2577f1ae32a1SGerd Hoffmann /* overwrite PLS only when LWS=1 */ 257885e05d82SGerd Hoffmann uint32_t pls = get_field(val, PORTSC_PLS); 257985e05d82SGerd Hoffmann set_field(&portsc, pls, PORTSC_PLS); 2580*4f47f0f8SGerd Hoffmann trace_usb_xhci_port_link(port->portnr, pls); 2581f1ae32a1SGerd Hoffmann } 2582f1ae32a1SGerd Hoffmann /* read/write bits */ 2583f1ae32a1SGerd Hoffmann portsc &= ~(PORTSC_PP|PORTSC_WCE|PORTSC_WDE|PORTSC_WOE); 2584f1ae32a1SGerd Hoffmann portsc |= (val & (PORTSC_PP|PORTSC_WCE|PORTSC_WDE|PORTSC_WOE)); 258540030130SGerd Hoffmann port->portsc = portsc; 2586f1ae32a1SGerd Hoffmann /* write-1-to-start bits */ 2587f1ae32a1SGerd Hoffmann if (val & PORTSC_PR) { 258840030130SGerd Hoffmann xhci_port_reset(port); 2589f1ae32a1SGerd Hoffmann } 2590f1ae32a1SGerd Hoffmann break; 2591f1ae32a1SGerd Hoffmann case 0x04: /* PORTPMSC */ 2592f1ae32a1SGerd Hoffmann case 0x08: /* PORTLI */ 2593f1ae32a1SGerd Hoffmann default: 2594f1ae32a1SGerd Hoffmann fprintf(stderr, "xhci_port_write (port %d): reg 0x%x unimplemented\n", 25951d8a4e69SGerd Hoffmann port->portnr, (uint32_t)reg); 2596f1ae32a1SGerd Hoffmann } 2597f1ae32a1SGerd Hoffmann } 2598f1ae32a1SGerd Hoffmann 2599a8170e5eSAvi Kivity static uint64_t xhci_oper_read(void *ptr, hwaddr reg, unsigned size) 2600f1ae32a1SGerd Hoffmann { 26011b067564SGerd Hoffmann XHCIState *xhci = ptr; 26022d754a10SGerd Hoffmann uint32_t ret; 2603f1ae32a1SGerd Hoffmann 2604f1ae32a1SGerd Hoffmann switch (reg) { 2605f1ae32a1SGerd Hoffmann case 0x00: /* USBCMD */ 26062d754a10SGerd Hoffmann ret = xhci->usbcmd; 26072d754a10SGerd Hoffmann break; 2608f1ae32a1SGerd Hoffmann case 0x04: /* USBSTS */ 26092d754a10SGerd Hoffmann ret = xhci->usbsts; 26102d754a10SGerd Hoffmann break; 2611f1ae32a1SGerd Hoffmann case 0x08: /* PAGESIZE */ 26122d754a10SGerd Hoffmann ret = 1; /* 4KiB */ 26132d754a10SGerd Hoffmann break; 2614f1ae32a1SGerd Hoffmann case 0x14: /* DNCTRL */ 26152d754a10SGerd Hoffmann ret = xhci->dnctrl; 26162d754a10SGerd Hoffmann break; 2617f1ae32a1SGerd Hoffmann case 0x18: /* CRCR low */ 26182d754a10SGerd Hoffmann ret = xhci->crcr_low & ~0xe; 26192d754a10SGerd Hoffmann break; 2620f1ae32a1SGerd Hoffmann case 0x1c: /* CRCR high */ 26212d754a10SGerd Hoffmann ret = xhci->crcr_high; 26222d754a10SGerd Hoffmann break; 2623f1ae32a1SGerd Hoffmann case 0x30: /* DCBAAP low */ 26242d754a10SGerd Hoffmann ret = xhci->dcbaap_low; 26252d754a10SGerd Hoffmann break; 2626f1ae32a1SGerd Hoffmann case 0x34: /* DCBAAP high */ 26272d754a10SGerd Hoffmann ret = xhci->dcbaap_high; 26282d754a10SGerd Hoffmann break; 2629f1ae32a1SGerd Hoffmann case 0x38: /* CONFIG */ 26302d754a10SGerd Hoffmann ret = xhci->config; 26312d754a10SGerd Hoffmann break; 2632f1ae32a1SGerd Hoffmann default: 26331b067564SGerd Hoffmann fprintf(stderr, "xhci_oper_read: reg 0x%x unimplemented\n", (int)reg); 26342d754a10SGerd Hoffmann ret = 0; 2635f1ae32a1SGerd Hoffmann } 26362d754a10SGerd Hoffmann 26372d754a10SGerd Hoffmann trace_usb_xhci_oper_read(reg, ret); 26382d754a10SGerd Hoffmann return ret; 2639f1ae32a1SGerd Hoffmann } 2640f1ae32a1SGerd Hoffmann 2641a8170e5eSAvi Kivity static void xhci_oper_write(void *ptr, hwaddr reg, 26421b067564SGerd Hoffmann uint64_t val, unsigned size) 2643f1ae32a1SGerd Hoffmann { 26441b067564SGerd Hoffmann XHCIState *xhci = ptr; 26451b067564SGerd Hoffmann 26462d754a10SGerd Hoffmann trace_usb_xhci_oper_write(reg, val); 26472d754a10SGerd Hoffmann 2648f1ae32a1SGerd Hoffmann switch (reg) { 2649f1ae32a1SGerd Hoffmann case 0x00: /* USBCMD */ 2650f1ae32a1SGerd Hoffmann if ((val & USBCMD_RS) && !(xhci->usbcmd & USBCMD_RS)) { 2651f1ae32a1SGerd Hoffmann xhci_run(xhci); 2652f1ae32a1SGerd Hoffmann } else if (!(val & USBCMD_RS) && (xhci->usbcmd & USBCMD_RS)) { 2653f1ae32a1SGerd Hoffmann xhci_stop(xhci); 2654f1ae32a1SGerd Hoffmann } 2655f1ae32a1SGerd Hoffmann xhci->usbcmd = val & 0xc0f; 265601546fa6SGerd Hoffmann xhci_mfwrap_update(xhci); 2657f1ae32a1SGerd Hoffmann if (val & USBCMD_HCRST) { 265864619739SJan Kiszka xhci_reset(&xhci->pci_dev.qdev); 2659f1ae32a1SGerd Hoffmann } 26604c4abe7cSGerd Hoffmann xhci_intx_update(xhci); 2661f1ae32a1SGerd Hoffmann break; 2662f1ae32a1SGerd Hoffmann 2663f1ae32a1SGerd Hoffmann case 0x04: /* USBSTS */ 2664f1ae32a1SGerd Hoffmann /* these bits are write-1-to-clear */ 2665f1ae32a1SGerd Hoffmann xhci->usbsts &= ~(val & (USBSTS_HSE|USBSTS_EINT|USBSTS_PCD|USBSTS_SRE)); 26664c4abe7cSGerd Hoffmann xhci_intx_update(xhci); 2667f1ae32a1SGerd Hoffmann break; 2668f1ae32a1SGerd Hoffmann 2669f1ae32a1SGerd Hoffmann case 0x14: /* DNCTRL */ 2670f1ae32a1SGerd Hoffmann xhci->dnctrl = val & 0xffff; 2671f1ae32a1SGerd Hoffmann break; 2672f1ae32a1SGerd Hoffmann case 0x18: /* CRCR low */ 2673f1ae32a1SGerd Hoffmann xhci->crcr_low = (val & 0xffffffcf) | (xhci->crcr_low & CRCR_CRR); 2674f1ae32a1SGerd Hoffmann break; 2675f1ae32a1SGerd Hoffmann case 0x1c: /* CRCR high */ 2676f1ae32a1SGerd Hoffmann xhci->crcr_high = val; 2677f1ae32a1SGerd Hoffmann if (xhci->crcr_low & (CRCR_CA|CRCR_CS) && (xhci->crcr_low & CRCR_CRR)) { 2678f1ae32a1SGerd Hoffmann XHCIEvent event = {ER_COMMAND_COMPLETE, CC_COMMAND_RING_STOPPED}; 2679f1ae32a1SGerd Hoffmann xhci->crcr_low &= ~CRCR_CRR; 26802d1de850SGerd Hoffmann xhci_event(xhci, &event, 0); 2681f1ae32a1SGerd Hoffmann DPRINTF("xhci: command ring stopped (CRCR=%08x)\n", xhci->crcr_low); 2682f1ae32a1SGerd Hoffmann } else { 268359a70ccdSDavid Gibson dma_addr_t base = xhci_addr64(xhci->crcr_low & ~0x3f, val); 2684f1ae32a1SGerd Hoffmann xhci_ring_init(xhci, &xhci->cmd_ring, base); 2685f1ae32a1SGerd Hoffmann } 2686f1ae32a1SGerd Hoffmann xhci->crcr_low &= ~(CRCR_CA | CRCR_CS); 2687f1ae32a1SGerd Hoffmann break; 2688f1ae32a1SGerd Hoffmann case 0x30: /* DCBAAP low */ 2689f1ae32a1SGerd Hoffmann xhci->dcbaap_low = val & 0xffffffc0; 2690f1ae32a1SGerd Hoffmann break; 2691f1ae32a1SGerd Hoffmann case 0x34: /* DCBAAP high */ 2692f1ae32a1SGerd Hoffmann xhci->dcbaap_high = val; 2693f1ae32a1SGerd Hoffmann break; 2694f1ae32a1SGerd Hoffmann case 0x38: /* CONFIG */ 2695f1ae32a1SGerd Hoffmann xhci->config = val & 0xff; 2696f1ae32a1SGerd Hoffmann break; 2697f1ae32a1SGerd Hoffmann default: 26981b067564SGerd Hoffmann fprintf(stderr, "xhci_oper_write: reg 0x%x unimplemented\n", (int)reg); 2699f1ae32a1SGerd Hoffmann } 2700f1ae32a1SGerd Hoffmann } 2701f1ae32a1SGerd Hoffmann 2702a8170e5eSAvi Kivity static uint64_t xhci_runtime_read(void *ptr, hwaddr reg, 27031b067564SGerd Hoffmann unsigned size) 2704f1ae32a1SGerd Hoffmann { 27051b067564SGerd Hoffmann XHCIState *xhci = ptr; 270643d9d604SGerd Hoffmann uint32_t ret = 0; 2707f1ae32a1SGerd Hoffmann 270843d9d604SGerd Hoffmann if (reg < 0x20) { 2709f1ae32a1SGerd Hoffmann switch (reg) { 2710f1ae32a1SGerd Hoffmann case 0x00: /* MFINDEX */ 271101546fa6SGerd Hoffmann ret = xhci_mfindex_get(xhci) & 0x3fff; 27122d754a10SGerd Hoffmann break; 2713f1ae32a1SGerd Hoffmann default: 27141b067564SGerd Hoffmann fprintf(stderr, "xhci_runtime_read: reg 0x%x unimplemented\n", 27151b067564SGerd Hoffmann (int)reg); 271643d9d604SGerd Hoffmann break; 271743d9d604SGerd Hoffmann } 271843d9d604SGerd Hoffmann } else { 271943d9d604SGerd Hoffmann int v = (reg - 0x20) / 0x20; 272043d9d604SGerd Hoffmann XHCIInterrupter *intr = &xhci->intr[v]; 272143d9d604SGerd Hoffmann switch (reg & 0x1f) { 272243d9d604SGerd Hoffmann case 0x00: /* IMAN */ 272343d9d604SGerd Hoffmann ret = intr->iman; 272443d9d604SGerd Hoffmann break; 272543d9d604SGerd Hoffmann case 0x04: /* IMOD */ 272643d9d604SGerd Hoffmann ret = intr->imod; 272743d9d604SGerd Hoffmann break; 272843d9d604SGerd Hoffmann case 0x08: /* ERSTSZ */ 272943d9d604SGerd Hoffmann ret = intr->erstsz; 273043d9d604SGerd Hoffmann break; 273143d9d604SGerd Hoffmann case 0x10: /* ERSTBA low */ 273243d9d604SGerd Hoffmann ret = intr->erstba_low; 273343d9d604SGerd Hoffmann break; 273443d9d604SGerd Hoffmann case 0x14: /* ERSTBA high */ 273543d9d604SGerd Hoffmann ret = intr->erstba_high; 273643d9d604SGerd Hoffmann break; 273743d9d604SGerd Hoffmann case 0x18: /* ERDP low */ 273843d9d604SGerd Hoffmann ret = intr->erdp_low; 273943d9d604SGerd Hoffmann break; 274043d9d604SGerd Hoffmann case 0x1c: /* ERDP high */ 274143d9d604SGerd Hoffmann ret = intr->erdp_high; 274243d9d604SGerd Hoffmann break; 274343d9d604SGerd Hoffmann } 2744f1ae32a1SGerd Hoffmann } 27452d754a10SGerd Hoffmann 27462d754a10SGerd Hoffmann trace_usb_xhci_runtime_read(reg, ret); 27472d754a10SGerd Hoffmann return ret; 2748f1ae32a1SGerd Hoffmann } 2749f1ae32a1SGerd Hoffmann 2750a8170e5eSAvi Kivity static void xhci_runtime_write(void *ptr, hwaddr reg, 27511b067564SGerd Hoffmann uint64_t val, unsigned size) 2752f1ae32a1SGerd Hoffmann { 27531b067564SGerd Hoffmann XHCIState *xhci = ptr; 275443d9d604SGerd Hoffmann int v = (reg - 0x20) / 0x20; 275543d9d604SGerd Hoffmann XHCIInterrupter *intr = &xhci->intr[v]; 27568e9f18b6SGerd Hoffmann trace_usb_xhci_runtime_write(reg, val); 2757f1ae32a1SGerd Hoffmann 275843d9d604SGerd Hoffmann if (reg < 0x20) { 275979a8af35SGerd Hoffmann fprintf(stderr, "%s: reg 0x%x unimplemented\n", __func__, (int)reg); 276043d9d604SGerd Hoffmann return; 276143d9d604SGerd Hoffmann } 276243d9d604SGerd Hoffmann 276343d9d604SGerd Hoffmann switch (reg & 0x1f) { 276443d9d604SGerd Hoffmann case 0x00: /* IMAN */ 2765f1ae32a1SGerd Hoffmann if (val & IMAN_IP) { 2766962d11e1SGerd Hoffmann intr->iman &= ~IMAN_IP; 2767f1ae32a1SGerd Hoffmann } 2768962d11e1SGerd Hoffmann intr->iman &= ~IMAN_IE; 2769962d11e1SGerd Hoffmann intr->iman |= val & IMAN_IE; 277043d9d604SGerd Hoffmann if (v == 0) { 27714c4abe7cSGerd Hoffmann xhci_intx_update(xhci); 277243d9d604SGerd Hoffmann } 277343d9d604SGerd Hoffmann xhci_msix_update(xhci, v); 2774f1ae32a1SGerd Hoffmann break; 277543d9d604SGerd Hoffmann case 0x04: /* IMOD */ 2776962d11e1SGerd Hoffmann intr->imod = val; 2777f1ae32a1SGerd Hoffmann break; 277843d9d604SGerd Hoffmann case 0x08: /* ERSTSZ */ 2779962d11e1SGerd Hoffmann intr->erstsz = val & 0xffff; 2780f1ae32a1SGerd Hoffmann break; 278143d9d604SGerd Hoffmann case 0x10: /* ERSTBA low */ 2782f1ae32a1SGerd Hoffmann /* XXX NEC driver bug: it doesn't align this to 64 bytes 2783962d11e1SGerd Hoffmann intr->erstba_low = val & 0xffffffc0; */ 2784962d11e1SGerd Hoffmann intr->erstba_low = val & 0xfffffff0; 2785f1ae32a1SGerd Hoffmann break; 278643d9d604SGerd Hoffmann case 0x14: /* ERSTBA high */ 2787962d11e1SGerd Hoffmann intr->erstba_high = val; 278843d9d604SGerd Hoffmann xhci_er_reset(xhci, v); 2789f1ae32a1SGerd Hoffmann break; 279043d9d604SGerd Hoffmann case 0x18: /* ERDP low */ 2791f1ae32a1SGerd Hoffmann if (val & ERDP_EHB) { 2792962d11e1SGerd Hoffmann intr->erdp_low &= ~ERDP_EHB; 2793f1ae32a1SGerd Hoffmann } 2794962d11e1SGerd Hoffmann intr->erdp_low = (val & ~ERDP_EHB) | (intr->erdp_low & ERDP_EHB); 2795f1ae32a1SGerd Hoffmann break; 279643d9d604SGerd Hoffmann case 0x1c: /* ERDP high */ 2797962d11e1SGerd Hoffmann intr->erdp_high = val; 279843d9d604SGerd Hoffmann xhci_events_update(xhci, v); 2799f1ae32a1SGerd Hoffmann break; 2800f1ae32a1SGerd Hoffmann default: 28011b067564SGerd Hoffmann fprintf(stderr, "xhci_oper_write: reg 0x%x unimplemented\n", 28021b067564SGerd Hoffmann (int)reg); 2803f1ae32a1SGerd Hoffmann } 2804f1ae32a1SGerd Hoffmann } 2805f1ae32a1SGerd Hoffmann 2806a8170e5eSAvi Kivity static uint64_t xhci_doorbell_read(void *ptr, hwaddr reg, 28071b067564SGerd Hoffmann unsigned size) 2808f1ae32a1SGerd Hoffmann { 2809f1ae32a1SGerd Hoffmann /* doorbells always read as 0 */ 28102d754a10SGerd Hoffmann trace_usb_xhci_doorbell_read(reg, 0); 2811f1ae32a1SGerd Hoffmann return 0; 2812f1ae32a1SGerd Hoffmann } 2813f1ae32a1SGerd Hoffmann 2814a8170e5eSAvi Kivity static void xhci_doorbell_write(void *ptr, hwaddr reg, 28151b067564SGerd Hoffmann uint64_t val, unsigned size) 2816f1ae32a1SGerd Hoffmann { 28171b067564SGerd Hoffmann XHCIState *xhci = ptr; 28181b067564SGerd Hoffmann 28192d754a10SGerd Hoffmann trace_usb_xhci_doorbell_write(reg, val); 2820f1ae32a1SGerd Hoffmann 2821f1ae32a1SGerd Hoffmann if (!xhci_running(xhci)) { 2822f1ae32a1SGerd Hoffmann fprintf(stderr, "xhci: wrote doorbell while xHC stopped or paused\n"); 2823f1ae32a1SGerd Hoffmann return; 2824f1ae32a1SGerd Hoffmann } 2825f1ae32a1SGerd Hoffmann 2826f1ae32a1SGerd Hoffmann reg >>= 2; 2827f1ae32a1SGerd Hoffmann 2828f1ae32a1SGerd Hoffmann if (reg == 0) { 2829f1ae32a1SGerd Hoffmann if (val == 0) { 2830f1ae32a1SGerd Hoffmann xhci_process_commands(xhci); 2831f1ae32a1SGerd Hoffmann } else { 28321b067564SGerd Hoffmann fprintf(stderr, "xhci: bad doorbell 0 write: 0x%x\n", 28331b067564SGerd Hoffmann (uint32_t)val); 2834f1ae32a1SGerd Hoffmann } 2835f1ae32a1SGerd Hoffmann } else { 283691062ae0SGerd Hoffmann if (reg > xhci->numslots) { 28371b067564SGerd Hoffmann fprintf(stderr, "xhci: bad doorbell %d\n", (int)reg); 2838f1ae32a1SGerd Hoffmann } else if (val > 31) { 28391b067564SGerd Hoffmann fprintf(stderr, "xhci: bad doorbell %d write: 0x%x\n", 28401b067564SGerd Hoffmann (int)reg, (uint32_t)val); 2841f1ae32a1SGerd Hoffmann } else { 2842f1ae32a1SGerd Hoffmann xhci_kick_ep(xhci, reg, val); 2843f1ae32a1SGerd Hoffmann } 2844f1ae32a1SGerd Hoffmann } 2845f1ae32a1SGerd Hoffmann } 2846f1ae32a1SGerd Hoffmann 28471b067564SGerd Hoffmann static const MemoryRegionOps xhci_cap_ops = { 28481b067564SGerd Hoffmann .read = xhci_cap_read, 28496ee021d4SGerd Hoffmann .valid.min_access_size = 1, 28501b067564SGerd Hoffmann .valid.max_access_size = 4, 28516ee021d4SGerd Hoffmann .impl.min_access_size = 4, 28526ee021d4SGerd Hoffmann .impl.max_access_size = 4, 28531b067564SGerd Hoffmann .endianness = DEVICE_LITTLE_ENDIAN, 28541b067564SGerd Hoffmann }; 2855f1ae32a1SGerd Hoffmann 28561b067564SGerd Hoffmann static const MemoryRegionOps xhci_oper_ops = { 28571b067564SGerd Hoffmann .read = xhci_oper_read, 28581b067564SGerd Hoffmann .write = xhci_oper_write, 28591b067564SGerd Hoffmann .valid.min_access_size = 4, 28601b067564SGerd Hoffmann .valid.max_access_size = 4, 28611b067564SGerd Hoffmann .endianness = DEVICE_LITTLE_ENDIAN, 28621b067564SGerd Hoffmann }; 2863f1ae32a1SGerd Hoffmann 28641d8a4e69SGerd Hoffmann static const MemoryRegionOps xhci_port_ops = { 28651d8a4e69SGerd Hoffmann .read = xhci_port_read, 28661d8a4e69SGerd Hoffmann .write = xhci_port_write, 28671d8a4e69SGerd Hoffmann .valid.min_access_size = 4, 28681d8a4e69SGerd Hoffmann .valid.max_access_size = 4, 28691d8a4e69SGerd Hoffmann .endianness = DEVICE_LITTLE_ENDIAN, 28701d8a4e69SGerd Hoffmann }; 28711d8a4e69SGerd Hoffmann 28721b067564SGerd Hoffmann static const MemoryRegionOps xhci_runtime_ops = { 28731b067564SGerd Hoffmann .read = xhci_runtime_read, 28741b067564SGerd Hoffmann .write = xhci_runtime_write, 28751b067564SGerd Hoffmann .valid.min_access_size = 4, 28761b067564SGerd Hoffmann .valid.max_access_size = 4, 28771b067564SGerd Hoffmann .endianness = DEVICE_LITTLE_ENDIAN, 28781b067564SGerd Hoffmann }; 2879f1ae32a1SGerd Hoffmann 28801b067564SGerd Hoffmann static const MemoryRegionOps xhci_doorbell_ops = { 28811b067564SGerd Hoffmann .read = xhci_doorbell_read, 28821b067564SGerd Hoffmann .write = xhci_doorbell_write, 2883f1ae32a1SGerd Hoffmann .valid.min_access_size = 4, 2884f1ae32a1SGerd Hoffmann .valid.max_access_size = 4, 2885f1ae32a1SGerd Hoffmann .endianness = DEVICE_LITTLE_ENDIAN, 2886f1ae32a1SGerd Hoffmann }; 2887f1ae32a1SGerd Hoffmann 2888f1ae32a1SGerd Hoffmann static void xhci_attach(USBPort *usbport) 2889f1ae32a1SGerd Hoffmann { 2890f1ae32a1SGerd Hoffmann XHCIState *xhci = usbport->opaque; 28910846e635SGerd Hoffmann XHCIPort *port = xhci_lookup_port(xhci, usbport); 2892f1ae32a1SGerd Hoffmann 2893f3214027SGerd Hoffmann xhci_port_update(port, 0); 2894f1ae32a1SGerd Hoffmann } 2895f1ae32a1SGerd Hoffmann 2896f1ae32a1SGerd Hoffmann static void xhci_detach(USBPort *usbport) 2897f1ae32a1SGerd Hoffmann { 2898f1ae32a1SGerd Hoffmann XHCIState *xhci = usbport->opaque; 28990846e635SGerd Hoffmann XHCIPort *port = xhci_lookup_port(xhci, usbport); 2900f1ae32a1SGerd Hoffmann 2901f3214027SGerd Hoffmann xhci_port_update(port, 1); 2902f1ae32a1SGerd Hoffmann } 2903f1ae32a1SGerd Hoffmann 2904f1ae32a1SGerd Hoffmann static void xhci_wakeup(USBPort *usbport) 2905f1ae32a1SGerd Hoffmann { 2906f1ae32a1SGerd Hoffmann XHCIState *xhci = usbport->opaque; 29070846e635SGerd Hoffmann XHCIPort *port = xhci_lookup_port(xhci, usbport); 2908f1ae32a1SGerd Hoffmann 290985e05d82SGerd Hoffmann if (get_field(port->portsc, PORTSC_PLS) != PLS_U3) { 2910f1ae32a1SGerd Hoffmann return; 2911f1ae32a1SGerd Hoffmann } 291285e05d82SGerd Hoffmann set_field(&port->portsc, PLS_RESUME, PORTSC_PLS); 2913f705a362SGerd Hoffmann xhci_port_notify(port, PORTSC_PLC); 2914f1ae32a1SGerd Hoffmann } 2915f1ae32a1SGerd Hoffmann 2916f1ae32a1SGerd Hoffmann static void xhci_complete(USBPort *port, USBPacket *packet) 2917f1ae32a1SGerd Hoffmann { 2918f1ae32a1SGerd Hoffmann XHCITransfer *xfer = container_of(packet, XHCITransfer, packet); 2919f1ae32a1SGerd Hoffmann 29200cae7b1aSHans de Goede if (packet->result == USB_RET_REMOVE_FROM_QUEUE) { 29210cae7b1aSHans de Goede xhci_ep_nuke_one_xfer(xfer); 29220cae7b1aSHans de Goede return; 29230cae7b1aSHans de Goede } 2924f1ae32a1SGerd Hoffmann xhci_complete_packet(xfer, packet->result); 2925f1ae32a1SGerd Hoffmann xhci_kick_ep(xfer->xhci, xfer->slotid, xfer->epid); 2926f1ae32a1SGerd Hoffmann } 2927f1ae32a1SGerd Hoffmann 2928ccaf87a0SGerd Hoffmann static void xhci_child_detach(USBPort *uport, USBDevice *child) 2929f1ae32a1SGerd Hoffmann { 2930ccaf87a0SGerd Hoffmann USBBus *bus = usb_bus_from_device(child); 2931ccaf87a0SGerd Hoffmann XHCIState *xhci = container_of(bus, XHCIState, bus); 2932ccaf87a0SGerd Hoffmann int i; 2933ccaf87a0SGerd Hoffmann 293491062ae0SGerd Hoffmann for (i = 0; i < xhci->numslots; i++) { 2935ccaf87a0SGerd Hoffmann if (xhci->slots[i].uport == uport) { 2936ccaf87a0SGerd Hoffmann xhci->slots[i].uport = NULL; 2937ccaf87a0SGerd Hoffmann } 2938ccaf87a0SGerd Hoffmann } 2939f1ae32a1SGerd Hoffmann } 2940f1ae32a1SGerd Hoffmann 29411d8a4e69SGerd Hoffmann static USBPortOps xhci_uport_ops = { 2942f1ae32a1SGerd Hoffmann .attach = xhci_attach, 2943f1ae32a1SGerd Hoffmann .detach = xhci_detach, 2944f1ae32a1SGerd Hoffmann .wakeup = xhci_wakeup, 2945f1ae32a1SGerd Hoffmann .complete = xhci_complete, 2946f1ae32a1SGerd Hoffmann .child_detach = xhci_child_detach, 2947f1ae32a1SGerd Hoffmann }; 2948f1ae32a1SGerd Hoffmann 2949f1ae32a1SGerd Hoffmann static int xhci_find_slotid(XHCIState *xhci, USBDevice *dev) 2950f1ae32a1SGerd Hoffmann { 2951f1ae32a1SGerd Hoffmann XHCISlot *slot; 2952f1ae32a1SGerd Hoffmann int slotid; 2953f1ae32a1SGerd Hoffmann 295491062ae0SGerd Hoffmann for (slotid = 1; slotid <= xhci->numslots; slotid++) { 2955f1ae32a1SGerd Hoffmann slot = &xhci->slots[slotid-1]; 2956f1ae32a1SGerd Hoffmann if (slot->devaddr == dev->addr) { 2957f1ae32a1SGerd Hoffmann return slotid; 2958f1ae32a1SGerd Hoffmann } 2959f1ae32a1SGerd Hoffmann } 2960f1ae32a1SGerd Hoffmann return 0; 2961f1ae32a1SGerd Hoffmann } 2962f1ae32a1SGerd Hoffmann 2963f1ae32a1SGerd Hoffmann static int xhci_find_epid(USBEndpoint *ep) 2964f1ae32a1SGerd Hoffmann { 2965f1ae32a1SGerd Hoffmann if (ep->nr == 0) { 2966f1ae32a1SGerd Hoffmann return 1; 2967f1ae32a1SGerd Hoffmann } 2968f1ae32a1SGerd Hoffmann if (ep->pid == USB_TOKEN_IN) { 2969f1ae32a1SGerd Hoffmann return ep->nr * 2 + 1; 2970f1ae32a1SGerd Hoffmann } else { 2971f1ae32a1SGerd Hoffmann return ep->nr * 2; 2972f1ae32a1SGerd Hoffmann } 2973f1ae32a1SGerd Hoffmann } 2974f1ae32a1SGerd Hoffmann 2975f1ae32a1SGerd Hoffmann static void xhci_wakeup_endpoint(USBBus *bus, USBEndpoint *ep) 2976f1ae32a1SGerd Hoffmann { 2977f1ae32a1SGerd Hoffmann XHCIState *xhci = container_of(bus, XHCIState, bus); 2978f1ae32a1SGerd Hoffmann int slotid; 2979f1ae32a1SGerd Hoffmann 2980f1ae32a1SGerd Hoffmann DPRINTF("%s\n", __func__); 2981f1ae32a1SGerd Hoffmann slotid = xhci_find_slotid(xhci, ep->dev); 2982f1ae32a1SGerd Hoffmann if (slotid == 0 || !xhci->slots[slotid-1].enabled) { 2983f1ae32a1SGerd Hoffmann DPRINTF("%s: oops, no slot for dev %d\n", __func__, ep->dev->addr); 2984f1ae32a1SGerd Hoffmann return; 2985f1ae32a1SGerd Hoffmann } 2986f1ae32a1SGerd Hoffmann xhci_kick_ep(xhci, slotid, xhci_find_epid(ep)); 2987f1ae32a1SGerd Hoffmann } 2988f1ae32a1SGerd Hoffmann 2989f1ae32a1SGerd Hoffmann static USBBusOps xhci_bus_ops = { 2990f1ae32a1SGerd Hoffmann .wakeup_endpoint = xhci_wakeup_endpoint, 2991f1ae32a1SGerd Hoffmann }; 2992f1ae32a1SGerd Hoffmann 2993f1ae32a1SGerd Hoffmann static void usb_xhci_init(XHCIState *xhci, DeviceState *dev) 2994f1ae32a1SGerd Hoffmann { 29950846e635SGerd Hoffmann XHCIPort *port; 29960846e635SGerd Hoffmann int i, usbports, speedmask; 2997f1ae32a1SGerd Hoffmann 2998f1ae32a1SGerd Hoffmann xhci->usbsts = USBSTS_HCH; 2999f1ae32a1SGerd Hoffmann 30000846e635SGerd Hoffmann if (xhci->numports_2 > MAXPORTS_2) { 30010846e635SGerd Hoffmann xhci->numports_2 = MAXPORTS_2; 30020846e635SGerd Hoffmann } 30030846e635SGerd Hoffmann if (xhci->numports_3 > MAXPORTS_3) { 30040846e635SGerd Hoffmann xhci->numports_3 = MAXPORTS_3; 30050846e635SGerd Hoffmann } 30060846e635SGerd Hoffmann usbports = MAX(xhci->numports_2, xhci->numports_3); 30070846e635SGerd Hoffmann xhci->numports = xhci->numports_2 + xhci->numports_3; 30080846e635SGerd Hoffmann 3009f1ae32a1SGerd Hoffmann usb_bus_new(&xhci->bus, &xhci_bus_ops, &xhci->pci_dev.qdev); 3010f1ae32a1SGerd Hoffmann 30110846e635SGerd Hoffmann for (i = 0; i < usbports; i++) { 30120846e635SGerd Hoffmann speedmask = 0; 30130846e635SGerd Hoffmann if (i < xhci->numports_2) { 30140846e635SGerd Hoffmann port = &xhci->ports[i]; 30150846e635SGerd Hoffmann port->portnr = i + 1; 30160846e635SGerd Hoffmann port->uport = &xhci->uports[i]; 30170846e635SGerd Hoffmann port->speedmask = 3018f1ae32a1SGerd Hoffmann USB_SPEED_MASK_LOW | 3019f1ae32a1SGerd Hoffmann USB_SPEED_MASK_FULL | 30200846e635SGerd Hoffmann USB_SPEED_MASK_HIGH; 30211d8a4e69SGerd Hoffmann snprintf(port->name, sizeof(port->name), "usb2 port #%d", i+1); 30220846e635SGerd Hoffmann speedmask |= port->speedmask; 3023f1ae32a1SGerd Hoffmann } 30240846e635SGerd Hoffmann if (i < xhci->numports_3) { 30250846e635SGerd Hoffmann port = &xhci->ports[i + xhci->numports_2]; 30260846e635SGerd Hoffmann port->portnr = i + 1 + xhci->numports_2; 30270846e635SGerd Hoffmann port->uport = &xhci->uports[i]; 30280846e635SGerd Hoffmann port->speedmask = USB_SPEED_MASK_SUPER; 30291d8a4e69SGerd Hoffmann snprintf(port->name, sizeof(port->name), "usb3 port #%d", i+1); 30300846e635SGerd Hoffmann speedmask |= port->speedmask; 30310846e635SGerd Hoffmann } 30320846e635SGerd Hoffmann usb_register_port(&xhci->bus, &xhci->uports[i], xhci, i, 30331d8a4e69SGerd Hoffmann &xhci_uport_ops, speedmask); 3034f1ae32a1SGerd Hoffmann } 3035f1ae32a1SGerd Hoffmann } 3036f1ae32a1SGerd Hoffmann 3037f1ae32a1SGerd Hoffmann static int usb_xhci_initfn(struct PCIDevice *dev) 3038f1ae32a1SGerd Hoffmann { 30391d8a4e69SGerd Hoffmann int i, ret; 3040f1ae32a1SGerd Hoffmann 3041f1ae32a1SGerd Hoffmann XHCIState *xhci = DO_UPCAST(XHCIState, pci_dev, dev); 3042f1ae32a1SGerd Hoffmann 3043f1ae32a1SGerd Hoffmann xhci->pci_dev.config[PCI_CLASS_PROG] = 0x30; /* xHCI */ 3044f1ae32a1SGerd Hoffmann xhci->pci_dev.config[PCI_INTERRUPT_PIN] = 0x01; /* interrupt pin 1 */ 3045f1ae32a1SGerd Hoffmann xhci->pci_dev.config[PCI_CACHE_LINE_SIZE] = 0x10; 3046f1ae32a1SGerd Hoffmann xhci->pci_dev.config[0x60] = 0x30; /* release number */ 3047f1ae32a1SGerd Hoffmann 3048f1ae32a1SGerd Hoffmann usb_xhci_init(xhci, &dev->qdev); 3049f1ae32a1SGerd Hoffmann 305091062ae0SGerd Hoffmann if (xhci->numintrs > MAXINTRS) { 305191062ae0SGerd Hoffmann xhci->numintrs = MAXINTRS; 305291062ae0SGerd Hoffmann } 305391062ae0SGerd Hoffmann if (xhci->numintrs < 1) { 305491062ae0SGerd Hoffmann xhci->numintrs = 1; 305591062ae0SGerd Hoffmann } 305691062ae0SGerd Hoffmann if (xhci->numslots > MAXSLOTS) { 305791062ae0SGerd Hoffmann xhci->numslots = MAXSLOTS; 305891062ae0SGerd Hoffmann } 305991062ae0SGerd Hoffmann if (xhci->numslots < 1) { 306091062ae0SGerd Hoffmann xhci->numslots = 1; 306191062ae0SGerd Hoffmann } 306291062ae0SGerd Hoffmann 306301546fa6SGerd Hoffmann xhci->mfwrap_timer = qemu_new_timer_ns(vm_clock, xhci_mfwrap_timer, xhci); 306401546fa6SGerd Hoffmann 3065f1ae32a1SGerd Hoffmann xhci->irq = xhci->pci_dev.irq[0]; 3066f1ae32a1SGerd Hoffmann 30671b067564SGerd Hoffmann memory_region_init(&xhci->mem, "xhci", LEN_REGS); 30681b067564SGerd Hoffmann memory_region_init_io(&xhci->mem_cap, &xhci_cap_ops, xhci, 30691b067564SGerd Hoffmann "capabilities", LEN_CAP); 30701b067564SGerd Hoffmann memory_region_init_io(&xhci->mem_oper, &xhci_oper_ops, xhci, 30711d8a4e69SGerd Hoffmann "operational", 0x400); 30721b067564SGerd Hoffmann memory_region_init_io(&xhci->mem_runtime, &xhci_runtime_ops, xhci, 30731b067564SGerd Hoffmann "runtime", LEN_RUNTIME); 30741b067564SGerd Hoffmann memory_region_init_io(&xhci->mem_doorbell, &xhci_doorbell_ops, xhci, 30751b067564SGerd Hoffmann "doorbell", LEN_DOORBELL); 30761b067564SGerd Hoffmann 30771b067564SGerd Hoffmann memory_region_add_subregion(&xhci->mem, 0, &xhci->mem_cap); 30781b067564SGerd Hoffmann memory_region_add_subregion(&xhci->mem, OFF_OPER, &xhci->mem_oper); 30791b067564SGerd Hoffmann memory_region_add_subregion(&xhci->mem, OFF_RUNTIME, &xhci->mem_runtime); 30801b067564SGerd Hoffmann memory_region_add_subregion(&xhci->mem, OFF_DOORBELL, &xhci->mem_doorbell); 30811b067564SGerd Hoffmann 30821d8a4e69SGerd Hoffmann for (i = 0; i < xhci->numports; i++) { 30831d8a4e69SGerd Hoffmann XHCIPort *port = &xhci->ports[i]; 30841d8a4e69SGerd Hoffmann uint32_t offset = OFF_OPER + 0x400 + 0x10 * i; 30851d8a4e69SGerd Hoffmann port->xhci = xhci; 30861d8a4e69SGerd Hoffmann memory_region_init_io(&port->mem, &xhci_port_ops, port, 30871d8a4e69SGerd Hoffmann port->name, 0x10); 30881d8a4e69SGerd Hoffmann memory_region_add_subregion(&xhci->mem, offset, &port->mem); 30891d8a4e69SGerd Hoffmann } 30901d8a4e69SGerd Hoffmann 3091f1ae32a1SGerd Hoffmann pci_register_bar(&xhci->pci_dev, 0, 3092f1ae32a1SGerd Hoffmann PCI_BASE_ADDRESS_SPACE_MEMORY|PCI_BASE_ADDRESS_MEM_TYPE_64, 3093f1ae32a1SGerd Hoffmann &xhci->mem); 3094f1ae32a1SGerd Hoffmann 3095f1ae32a1SGerd Hoffmann ret = pcie_cap_init(&xhci->pci_dev, 0xa0, PCI_EXP_TYPE_ENDPOINT, 0); 3096f1ae32a1SGerd Hoffmann assert(ret >= 0); 3097f1ae32a1SGerd Hoffmann 3098c5e9b02dSGerd Hoffmann if (xhci->flags & (1 << XHCI_FLAG_USE_MSI)) { 309991062ae0SGerd Hoffmann msi_init(&xhci->pci_dev, 0x70, xhci->numintrs, true, false); 3100f1ae32a1SGerd Hoffmann } 31014c47f800SGerd Hoffmann if (xhci->flags & (1 << XHCI_FLAG_USE_MSI_X)) { 310291062ae0SGerd Hoffmann msix_init(&xhci->pci_dev, xhci->numintrs, 31034c47f800SGerd Hoffmann &xhci->mem, 0, OFF_MSIX_TABLE, 31044c47f800SGerd Hoffmann &xhci->mem, 0, OFF_MSIX_PBA, 31054c47f800SGerd Hoffmann 0x90); 31064c47f800SGerd Hoffmann } 3107f1ae32a1SGerd Hoffmann 3108f1ae32a1SGerd Hoffmann return 0; 3109f1ae32a1SGerd Hoffmann } 3110f1ae32a1SGerd Hoffmann 3111f1ae32a1SGerd Hoffmann static const VMStateDescription vmstate_xhci = { 3112f1ae32a1SGerd Hoffmann .name = "xhci", 3113f1ae32a1SGerd Hoffmann .unmigratable = 1, 3114f1ae32a1SGerd Hoffmann }; 3115f1ae32a1SGerd Hoffmann 3116f1ae32a1SGerd Hoffmann static Property xhci_properties[] = { 3117c5e9b02dSGerd Hoffmann DEFINE_PROP_BIT("msi", XHCIState, flags, XHCI_FLAG_USE_MSI, true), 31184c47f800SGerd Hoffmann DEFINE_PROP_BIT("msix", XHCIState, flags, XHCI_FLAG_USE_MSI_X, true), 311991062ae0SGerd Hoffmann DEFINE_PROP_UINT32("intrs", XHCIState, numintrs, MAXINTRS), 312091062ae0SGerd Hoffmann DEFINE_PROP_UINT32("slots", XHCIState, numslots, MAXSLOTS), 31210846e635SGerd Hoffmann DEFINE_PROP_UINT32("p2", XHCIState, numports_2, 4), 31220846e635SGerd Hoffmann DEFINE_PROP_UINT32("p3", XHCIState, numports_3, 4), 3123f1ae32a1SGerd Hoffmann DEFINE_PROP_END_OF_LIST(), 3124f1ae32a1SGerd Hoffmann }; 3125f1ae32a1SGerd Hoffmann 3126f1ae32a1SGerd Hoffmann static void xhci_class_init(ObjectClass *klass, void *data) 3127f1ae32a1SGerd Hoffmann { 3128f1ae32a1SGerd Hoffmann PCIDeviceClass *k = PCI_DEVICE_CLASS(klass); 3129f1ae32a1SGerd Hoffmann DeviceClass *dc = DEVICE_CLASS(klass); 3130f1ae32a1SGerd Hoffmann 3131f1ae32a1SGerd Hoffmann dc->vmsd = &vmstate_xhci; 3132f1ae32a1SGerd Hoffmann dc->props = xhci_properties; 313364619739SJan Kiszka dc->reset = xhci_reset; 3134f1ae32a1SGerd Hoffmann k->init = usb_xhci_initfn; 3135f1ae32a1SGerd Hoffmann k->vendor_id = PCI_VENDOR_ID_NEC; 3136f1ae32a1SGerd Hoffmann k->device_id = PCI_DEVICE_ID_NEC_UPD720200; 3137f1ae32a1SGerd Hoffmann k->class_id = PCI_CLASS_SERIAL_USB; 3138f1ae32a1SGerd Hoffmann k->revision = 0x03; 3139f1ae32a1SGerd Hoffmann k->is_express = 1; 3140f1ae32a1SGerd Hoffmann } 3141f1ae32a1SGerd Hoffmann 3142f1ae32a1SGerd Hoffmann static TypeInfo xhci_info = { 3143f1ae32a1SGerd Hoffmann .name = "nec-usb-xhci", 3144f1ae32a1SGerd Hoffmann .parent = TYPE_PCI_DEVICE, 3145f1ae32a1SGerd Hoffmann .instance_size = sizeof(XHCIState), 3146f1ae32a1SGerd Hoffmann .class_init = xhci_class_init, 3147f1ae32a1SGerd Hoffmann }; 3148f1ae32a1SGerd Hoffmann 3149f1ae32a1SGerd Hoffmann static void xhci_register_types(void) 3150f1ae32a1SGerd Hoffmann { 3151f1ae32a1SGerd Hoffmann type_register_static(&xhci_info); 3152f1ae32a1SGerd Hoffmann } 3153f1ae32a1SGerd Hoffmann 3154f1ae32a1SGerd Hoffmann type_init(xhci_register_types) 3155