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 */ 210b8fa32fSMarkus Armbruster 22e532b2e0SPeter Maydell #include "qemu/osdep.h" 231de7afc9SPaolo Bonzini #include "qemu/timer.h" 240b8fa32fSMarkus Armbruster #include "qemu/module.h" 2594b037f2SGerd Hoffmann #include "qemu/queue.h" 26d6454270SMarkus Armbruster #include "migration/vmstate.h" 27a27bd6c7SMarkus Armbruster #include "hw/qdev-properties.h" 282d754a10SGerd Hoffmann #include "trace.h" 291108b2f8SCao jin #include "qapi/error.h" 30f1ae32a1SGerd Hoffmann 310bbb2f3dSGerd Hoffmann #include "hcd-xhci.h" 320bbb2f3dSGerd Hoffmann 33f1ae32a1SGerd Hoffmann //#define DEBUG_XHCI 34f1ae32a1SGerd Hoffmann //#define DEBUG_DATA 35f1ae32a1SGerd Hoffmann 36f1ae32a1SGerd Hoffmann #ifdef DEBUG_XHCI 37f1ae32a1SGerd Hoffmann #define DPRINTF(...) fprintf(stderr, __VA_ARGS__) 38f1ae32a1SGerd Hoffmann #else 39f1ae32a1SGerd Hoffmann #define DPRINTF(...) do {} while (0) 40f1ae32a1SGerd Hoffmann #endif 41024426acSGerd Hoffmann #define FIXME(_msg) do { fprintf(stderr, "FIXME %s:%d %s\n", \ 42024426acSGerd Hoffmann __func__, __LINE__, _msg); abort(); } while (0) 43f1ae32a1SGerd Hoffmann 4499f9aebaSLadi Prosek #define TRB_LINK_LIMIT 32 45f89b60f6SGerd Hoffmann #define COMMAND_LIMIT 256 46f89b60f6SGerd Hoffmann #define TRANSFER_LIMIT 256 4705f43d44SGerd Hoffmann 48f1ae32a1SGerd Hoffmann #define LEN_CAP 0x40 49*848db525SGerd Hoffmann #define LEN_OPER (0x400 + 0x10 * XHCI_MAXPORTS) 50*848db525SGerd Hoffmann #define LEN_RUNTIME ((XHCI_MAXINTRS + 1) * 0x20) 51*848db525SGerd Hoffmann #define LEN_DOORBELL ((XHCI_MAXSLOTS + 1) * 0x20) 52f1ae32a1SGerd Hoffmann 53106b214cSGerd Hoffmann #define OFF_OPER LEN_CAP 54106b214cSGerd Hoffmann #define OFF_RUNTIME 0x1000 55106b214cSGerd Hoffmann #define OFF_DOORBELL 0x2000 56f1ae32a1SGerd Hoffmann 57106b214cSGerd Hoffmann #if (OFF_OPER + LEN_OPER) > OFF_RUNTIME 58106b214cSGerd Hoffmann #error Increase OFF_RUNTIME 59106b214cSGerd Hoffmann #endif 60106b214cSGerd Hoffmann #if (OFF_RUNTIME + LEN_RUNTIME) > OFF_DOORBELL 61106b214cSGerd Hoffmann #error Increase OFF_DOORBELL 62106b214cSGerd Hoffmann #endif 63*848db525SGerd Hoffmann #if (OFF_DOORBELL + LEN_DOORBELL) > XHCI_LEN_REGS 64*848db525SGerd Hoffmann # error Increase XHCI_LEN_REGS 65f1ae32a1SGerd Hoffmann #endif 66f1ae32a1SGerd Hoffmann 67f1ae32a1SGerd Hoffmann /* bit definitions */ 68f1ae32a1SGerd Hoffmann #define USBCMD_RS (1<<0) 69f1ae32a1SGerd Hoffmann #define USBCMD_HCRST (1<<1) 70f1ae32a1SGerd Hoffmann #define USBCMD_INTE (1<<2) 71f1ae32a1SGerd Hoffmann #define USBCMD_HSEE (1<<3) 72f1ae32a1SGerd Hoffmann #define USBCMD_LHCRST (1<<7) 73f1ae32a1SGerd Hoffmann #define USBCMD_CSS (1<<8) 74f1ae32a1SGerd Hoffmann #define USBCMD_CRS (1<<9) 75f1ae32a1SGerd Hoffmann #define USBCMD_EWE (1<<10) 76f1ae32a1SGerd Hoffmann #define USBCMD_EU3S (1<<11) 77f1ae32a1SGerd Hoffmann 78f1ae32a1SGerd Hoffmann #define USBSTS_HCH (1<<0) 79f1ae32a1SGerd Hoffmann #define USBSTS_HSE (1<<2) 80f1ae32a1SGerd Hoffmann #define USBSTS_EINT (1<<3) 81f1ae32a1SGerd Hoffmann #define USBSTS_PCD (1<<4) 82f1ae32a1SGerd Hoffmann #define USBSTS_SSS (1<<8) 83f1ae32a1SGerd Hoffmann #define USBSTS_RSS (1<<9) 84f1ae32a1SGerd Hoffmann #define USBSTS_SRE (1<<10) 85f1ae32a1SGerd Hoffmann #define USBSTS_CNR (1<<11) 86f1ae32a1SGerd Hoffmann #define USBSTS_HCE (1<<12) 87f1ae32a1SGerd Hoffmann 88f1ae32a1SGerd Hoffmann 89f1ae32a1SGerd Hoffmann #define PORTSC_CCS (1<<0) 90f1ae32a1SGerd Hoffmann #define PORTSC_PED (1<<1) 91f1ae32a1SGerd Hoffmann #define PORTSC_OCA (1<<3) 92f1ae32a1SGerd Hoffmann #define PORTSC_PR (1<<4) 93f1ae32a1SGerd Hoffmann #define PORTSC_PLS_SHIFT 5 94f1ae32a1SGerd Hoffmann #define PORTSC_PLS_MASK 0xf 95f1ae32a1SGerd Hoffmann #define PORTSC_PP (1<<9) 96f1ae32a1SGerd Hoffmann #define PORTSC_SPEED_SHIFT 10 97f1ae32a1SGerd Hoffmann #define PORTSC_SPEED_MASK 0xf 98f1ae32a1SGerd Hoffmann #define PORTSC_SPEED_FULL (1<<10) 99f1ae32a1SGerd Hoffmann #define PORTSC_SPEED_LOW (2<<10) 100f1ae32a1SGerd Hoffmann #define PORTSC_SPEED_HIGH (3<<10) 101f1ae32a1SGerd Hoffmann #define PORTSC_SPEED_SUPER (4<<10) 102f1ae32a1SGerd Hoffmann #define PORTSC_PIC_SHIFT 14 103f1ae32a1SGerd Hoffmann #define PORTSC_PIC_MASK 0x3 104f1ae32a1SGerd Hoffmann #define PORTSC_LWS (1<<16) 105f1ae32a1SGerd Hoffmann #define PORTSC_CSC (1<<17) 106f1ae32a1SGerd Hoffmann #define PORTSC_PEC (1<<18) 107f1ae32a1SGerd Hoffmann #define PORTSC_WRC (1<<19) 108f1ae32a1SGerd Hoffmann #define PORTSC_OCC (1<<20) 109f1ae32a1SGerd Hoffmann #define PORTSC_PRC (1<<21) 110f1ae32a1SGerd Hoffmann #define PORTSC_PLC (1<<22) 111f1ae32a1SGerd Hoffmann #define PORTSC_CEC (1<<23) 112f1ae32a1SGerd Hoffmann #define PORTSC_CAS (1<<24) 113f1ae32a1SGerd Hoffmann #define PORTSC_WCE (1<<25) 114f1ae32a1SGerd Hoffmann #define PORTSC_WDE (1<<26) 115f1ae32a1SGerd Hoffmann #define PORTSC_WOE (1<<27) 116f1ae32a1SGerd Hoffmann #define PORTSC_DR (1<<30) 117f1ae32a1SGerd Hoffmann #define PORTSC_WPR (1<<31) 118f1ae32a1SGerd Hoffmann 119f1ae32a1SGerd Hoffmann #define CRCR_RCS (1<<0) 120f1ae32a1SGerd Hoffmann #define CRCR_CS (1<<1) 121f1ae32a1SGerd Hoffmann #define CRCR_CA (1<<2) 122f1ae32a1SGerd Hoffmann #define CRCR_CRR (1<<3) 123f1ae32a1SGerd Hoffmann 124f1ae32a1SGerd Hoffmann #define IMAN_IP (1<<0) 125f1ae32a1SGerd Hoffmann #define IMAN_IE (1<<1) 126f1ae32a1SGerd Hoffmann 127f1ae32a1SGerd Hoffmann #define ERDP_EHB (1<<3) 128f1ae32a1SGerd Hoffmann 129f1ae32a1SGerd Hoffmann #define TRB_SIZE 16 130f1ae32a1SGerd Hoffmann typedef struct XHCITRB { 131f1ae32a1SGerd Hoffmann uint64_t parameter; 132f1ae32a1SGerd Hoffmann uint32_t status; 133f1ae32a1SGerd Hoffmann uint32_t control; 13459a70ccdSDavid Gibson dma_addr_t addr; 135f1ae32a1SGerd Hoffmann bool ccs; 136f1ae32a1SGerd Hoffmann } XHCITRB; 137f1ae32a1SGerd Hoffmann 13885e05d82SGerd Hoffmann enum { 13985e05d82SGerd Hoffmann PLS_U0 = 0, 14085e05d82SGerd Hoffmann PLS_U1 = 1, 14185e05d82SGerd Hoffmann PLS_U2 = 2, 14285e05d82SGerd Hoffmann PLS_U3 = 3, 14385e05d82SGerd Hoffmann PLS_DISABLED = 4, 14485e05d82SGerd Hoffmann PLS_RX_DETECT = 5, 14585e05d82SGerd Hoffmann PLS_INACTIVE = 6, 14685e05d82SGerd Hoffmann PLS_POLLING = 7, 14785e05d82SGerd Hoffmann PLS_RECOVERY = 8, 14885e05d82SGerd Hoffmann PLS_HOT_RESET = 9, 14985e05d82SGerd Hoffmann PLS_COMPILANCE_MODE = 10, 15085e05d82SGerd Hoffmann PLS_TEST_MODE = 11, 15185e05d82SGerd Hoffmann PLS_RESUME = 15, 15285e05d82SGerd Hoffmann }; 153f1ae32a1SGerd Hoffmann 154f1ae32a1SGerd Hoffmann #define CR_LINK TR_LINK 155f1ae32a1SGerd Hoffmann 156f1ae32a1SGerd Hoffmann #define TRB_C (1<<0) 157f1ae32a1SGerd Hoffmann #define TRB_TYPE_SHIFT 10 158f1ae32a1SGerd Hoffmann #define TRB_TYPE_MASK 0x3f 159f1ae32a1SGerd Hoffmann #define TRB_TYPE(t) (((t).control >> TRB_TYPE_SHIFT) & TRB_TYPE_MASK) 160f1ae32a1SGerd Hoffmann 161f1ae32a1SGerd Hoffmann #define TRB_EV_ED (1<<2) 162f1ae32a1SGerd Hoffmann 163f1ae32a1SGerd Hoffmann #define TRB_TR_ENT (1<<1) 164f1ae32a1SGerd Hoffmann #define TRB_TR_ISP (1<<2) 165f1ae32a1SGerd Hoffmann #define TRB_TR_NS (1<<3) 166f1ae32a1SGerd Hoffmann #define TRB_TR_CH (1<<4) 167f1ae32a1SGerd Hoffmann #define TRB_TR_IOC (1<<5) 168f1ae32a1SGerd Hoffmann #define TRB_TR_IDT (1<<6) 169f1ae32a1SGerd Hoffmann #define TRB_TR_TBC_SHIFT 7 170f1ae32a1SGerd Hoffmann #define TRB_TR_TBC_MASK 0x3 171f1ae32a1SGerd Hoffmann #define TRB_TR_BEI (1<<9) 172f1ae32a1SGerd Hoffmann #define TRB_TR_TLBPC_SHIFT 16 173f1ae32a1SGerd Hoffmann #define TRB_TR_TLBPC_MASK 0xf 174f1ae32a1SGerd Hoffmann #define TRB_TR_FRAMEID_SHIFT 20 175f1ae32a1SGerd Hoffmann #define TRB_TR_FRAMEID_MASK 0x7ff 176f1ae32a1SGerd Hoffmann #define TRB_TR_SIA (1<<31) 177f1ae32a1SGerd Hoffmann 178f1ae32a1SGerd Hoffmann #define TRB_TR_DIR (1<<16) 179f1ae32a1SGerd Hoffmann 180f1ae32a1SGerd Hoffmann #define TRB_CR_SLOTID_SHIFT 24 181f1ae32a1SGerd Hoffmann #define TRB_CR_SLOTID_MASK 0xff 182f1ae32a1SGerd Hoffmann #define TRB_CR_EPID_SHIFT 16 183f1ae32a1SGerd Hoffmann #define TRB_CR_EPID_MASK 0x1f 184f1ae32a1SGerd Hoffmann 185f1ae32a1SGerd Hoffmann #define TRB_CR_BSR (1<<9) 186f1ae32a1SGerd Hoffmann #define TRB_CR_DC (1<<9) 187f1ae32a1SGerd Hoffmann 188f1ae32a1SGerd Hoffmann #define TRB_LK_TC (1<<1) 189f1ae32a1SGerd Hoffmann 1902d1de850SGerd Hoffmann #define TRB_INTR_SHIFT 22 1912d1de850SGerd Hoffmann #define TRB_INTR_MASK 0x3ff 1922d1de850SGerd Hoffmann #define TRB_INTR(t) (((t).status >> TRB_INTR_SHIFT) & TRB_INTR_MASK) 1932d1de850SGerd Hoffmann 194f1ae32a1SGerd Hoffmann #define EP_TYPE_MASK 0x7 195f1ae32a1SGerd Hoffmann #define EP_TYPE_SHIFT 3 196f1ae32a1SGerd Hoffmann 197f1ae32a1SGerd Hoffmann #define EP_STATE_MASK 0x7 198f1ae32a1SGerd Hoffmann #define EP_DISABLED (0<<0) 199f1ae32a1SGerd Hoffmann #define EP_RUNNING (1<<0) 200f1ae32a1SGerd Hoffmann #define EP_HALTED (2<<0) 201f1ae32a1SGerd Hoffmann #define EP_STOPPED (3<<0) 202f1ae32a1SGerd Hoffmann #define EP_ERROR (4<<0) 203f1ae32a1SGerd Hoffmann 204f1ae32a1SGerd Hoffmann #define SLOT_STATE_MASK 0x1f 205f1ae32a1SGerd Hoffmann #define SLOT_STATE_SHIFT 27 206f1ae32a1SGerd Hoffmann #define SLOT_STATE(s) (((s)>>SLOT_STATE_SHIFT)&SLOT_STATE_MASK) 207f1ae32a1SGerd Hoffmann #define SLOT_ENABLED 0 208f1ae32a1SGerd Hoffmann #define SLOT_DEFAULT 1 209f1ae32a1SGerd Hoffmann #define SLOT_ADDRESSED 2 210f1ae32a1SGerd Hoffmann #define SLOT_CONFIGURED 3 211f1ae32a1SGerd Hoffmann 212f1ae32a1SGerd Hoffmann #define SLOT_CONTEXT_ENTRIES_MASK 0x1f 213f1ae32a1SGerd Hoffmann #define SLOT_CONTEXT_ENTRIES_SHIFT 27 214f1ae32a1SGerd Hoffmann 21585e05d82SGerd Hoffmann #define get_field(data, field) \ 21685e05d82SGerd Hoffmann (((data) >> field##_SHIFT) & field##_MASK) 21785e05d82SGerd Hoffmann 21885e05d82SGerd Hoffmann #define set_field(data, newval, field) do { \ 21985e05d82SGerd Hoffmann uint32_t val = *data; \ 22085e05d82SGerd Hoffmann val &= ~(field##_MASK << field##_SHIFT); \ 22185e05d82SGerd Hoffmann val |= ((newval) & field##_MASK) << field##_SHIFT; \ 22285e05d82SGerd Hoffmann *data = val; \ 22385e05d82SGerd Hoffmann } while (0) 22485e05d82SGerd Hoffmann 225f1ae32a1SGerd Hoffmann typedef enum EPType { 226f1ae32a1SGerd Hoffmann ET_INVALID = 0, 227f1ae32a1SGerd Hoffmann ET_ISO_OUT, 228f1ae32a1SGerd Hoffmann ET_BULK_OUT, 229f1ae32a1SGerd Hoffmann ET_INTR_OUT, 230f1ae32a1SGerd Hoffmann ET_CONTROL, 231f1ae32a1SGerd Hoffmann ET_ISO_IN, 232f1ae32a1SGerd Hoffmann ET_BULK_IN, 233f1ae32a1SGerd Hoffmann ET_INTR_IN, 234f1ae32a1SGerd Hoffmann } EPType; 235f1ae32a1SGerd Hoffmann 236f1ae32a1SGerd Hoffmann typedef struct XHCITransfer { 23794b037f2SGerd Hoffmann XHCIEPContext *epctx; 238f1ae32a1SGerd Hoffmann USBPacket packet; 239d5a15814SGerd Hoffmann QEMUSGList sgl; 240f1ae32a1SGerd Hoffmann bool running_async; 241f1ae32a1SGerd Hoffmann bool running_retry; 242f1ae32a1SGerd Hoffmann bool complete; 243a6fb2ddbSHans de Goede bool int_req; 244f1ae32a1SGerd Hoffmann unsigned int iso_pkts; 245024426acSGerd Hoffmann unsigned int streamid; 246f1ae32a1SGerd Hoffmann bool in_xfer; 247f1ae32a1SGerd Hoffmann bool iso_xfer; 2484d7a81c0SGerd Hoffmann bool timed_xfer; 249f1ae32a1SGerd Hoffmann 250f1ae32a1SGerd Hoffmann unsigned int trb_count; 251f1ae32a1SGerd Hoffmann XHCITRB *trbs; 252f1ae32a1SGerd Hoffmann 253f1ae32a1SGerd Hoffmann TRBCCode status; 254f1ae32a1SGerd Hoffmann 255f1ae32a1SGerd Hoffmann unsigned int pkts; 256f1ae32a1SGerd Hoffmann unsigned int pktsize; 257f1ae32a1SGerd Hoffmann unsigned int cur_pkt; 2583d139684SGerd Hoffmann 2593d139684SGerd Hoffmann uint64_t mfindex_kick; 26094b037f2SGerd Hoffmann 26194b037f2SGerd Hoffmann QTAILQ_ENTRY(XHCITransfer) next; 262f1ae32a1SGerd Hoffmann } XHCITransfer; 263f1ae32a1SGerd Hoffmann 264024426acSGerd Hoffmann struct XHCIStreamContext { 265024426acSGerd Hoffmann dma_addr_t pctx; 266024426acSGerd Hoffmann unsigned int sct; 267024426acSGerd Hoffmann XHCIRing ring; 268024426acSGerd Hoffmann }; 269024426acSGerd Hoffmann 270024426acSGerd Hoffmann struct XHCIEPContext { 2713d139684SGerd Hoffmann XHCIState *xhci; 2723d139684SGerd Hoffmann unsigned int slotid; 2733d139684SGerd Hoffmann unsigned int epid; 2743d139684SGerd Hoffmann 275f1ae32a1SGerd Hoffmann XHCIRing ring; 27694b037f2SGerd Hoffmann uint32_t xfer_count; 27794b037f2SGerd Hoffmann QTAILQ_HEAD(, XHCITransfer) transfers; 278f1ae32a1SGerd Hoffmann XHCITransfer *retry; 279f1ae32a1SGerd Hoffmann EPType type; 28059a70ccdSDavid Gibson dma_addr_t pctx; 281f1ae32a1SGerd Hoffmann unsigned int max_psize; 282f1ae32a1SGerd Hoffmann uint32_t state; 28396d87bddSGerd Hoffmann uint32_t kick_active; 2843d139684SGerd Hoffmann 285024426acSGerd Hoffmann /* streams */ 286024426acSGerd Hoffmann unsigned int max_pstreams; 287024426acSGerd Hoffmann bool lsa; 288024426acSGerd Hoffmann unsigned int nr_pstreams; 289024426acSGerd Hoffmann XHCIStreamContext *pstreams; 290024426acSGerd Hoffmann 2913d139684SGerd Hoffmann /* iso xfer scheduling */ 2923d139684SGerd Hoffmann unsigned int interval; 2933d139684SGerd Hoffmann int64_t mfindex_last; 2943d139684SGerd Hoffmann QEMUTimer *kick_timer; 295024426acSGerd Hoffmann }; 296f1ae32a1SGerd Hoffmann 297f1ae32a1SGerd Hoffmann typedef struct XHCIEvRingSeg { 298f1ae32a1SGerd Hoffmann uint32_t addr_low; 299f1ae32a1SGerd Hoffmann uint32_t addr_high; 300f1ae32a1SGerd Hoffmann uint32_t size; 301f1ae32a1SGerd Hoffmann uint32_t rsvd; 302f1ae32a1SGerd Hoffmann } XHCIEvRingSeg; 303f1ae32a1SGerd Hoffmann 30401546fa6SGerd Hoffmann static void xhci_kick_ep(XHCIState *xhci, unsigned int slotid, 305024426acSGerd Hoffmann unsigned int epid, unsigned int streamid); 3063a533ee8SGerd Hoffmann static void xhci_kick_epctx(XHCIEPContext *epctx, unsigned int streamid); 3070bc85da6SGerd Hoffmann static TRBCCode xhci_disable_ep(XHCIState *xhci, unsigned int slotid, 3080bc85da6SGerd Hoffmann unsigned int epid); 309582d6f4aSHans de Goede static void xhci_xfer_report(XHCITransfer *xfer); 310962d11e1SGerd Hoffmann static void xhci_event(XHCIState *xhci, XHCIEvent *event, int v); 311962d11e1SGerd Hoffmann static void xhci_write_event(XHCIState *xhci, XHCIEvent *event, int v); 312070eeef9SGerd Hoffmann static USBEndpoint *xhci_epid_to_usbep(XHCIEPContext *epctx); 31301546fa6SGerd Hoffmann 314f1ae32a1SGerd Hoffmann static const char *TRBType_names[] = { 315f1ae32a1SGerd Hoffmann [TRB_RESERVED] = "TRB_RESERVED", 316f1ae32a1SGerd Hoffmann [TR_NORMAL] = "TR_NORMAL", 317f1ae32a1SGerd Hoffmann [TR_SETUP] = "TR_SETUP", 318f1ae32a1SGerd Hoffmann [TR_DATA] = "TR_DATA", 319f1ae32a1SGerd Hoffmann [TR_STATUS] = "TR_STATUS", 320f1ae32a1SGerd Hoffmann [TR_ISOCH] = "TR_ISOCH", 321f1ae32a1SGerd Hoffmann [TR_LINK] = "TR_LINK", 322f1ae32a1SGerd Hoffmann [TR_EVDATA] = "TR_EVDATA", 323f1ae32a1SGerd Hoffmann [TR_NOOP] = "TR_NOOP", 324f1ae32a1SGerd Hoffmann [CR_ENABLE_SLOT] = "CR_ENABLE_SLOT", 325f1ae32a1SGerd Hoffmann [CR_DISABLE_SLOT] = "CR_DISABLE_SLOT", 326f1ae32a1SGerd Hoffmann [CR_ADDRESS_DEVICE] = "CR_ADDRESS_DEVICE", 327f1ae32a1SGerd Hoffmann [CR_CONFIGURE_ENDPOINT] = "CR_CONFIGURE_ENDPOINT", 328f1ae32a1SGerd Hoffmann [CR_EVALUATE_CONTEXT] = "CR_EVALUATE_CONTEXT", 329f1ae32a1SGerd Hoffmann [CR_RESET_ENDPOINT] = "CR_RESET_ENDPOINT", 330f1ae32a1SGerd Hoffmann [CR_STOP_ENDPOINT] = "CR_STOP_ENDPOINT", 331f1ae32a1SGerd Hoffmann [CR_SET_TR_DEQUEUE] = "CR_SET_TR_DEQUEUE", 332f1ae32a1SGerd Hoffmann [CR_RESET_DEVICE] = "CR_RESET_DEVICE", 333f1ae32a1SGerd Hoffmann [CR_FORCE_EVENT] = "CR_FORCE_EVENT", 334f1ae32a1SGerd Hoffmann [CR_NEGOTIATE_BW] = "CR_NEGOTIATE_BW", 335f1ae32a1SGerd Hoffmann [CR_SET_LATENCY_TOLERANCE] = "CR_SET_LATENCY_TOLERANCE", 336f1ae32a1SGerd Hoffmann [CR_GET_PORT_BANDWIDTH] = "CR_GET_PORT_BANDWIDTH", 337f1ae32a1SGerd Hoffmann [CR_FORCE_HEADER] = "CR_FORCE_HEADER", 338f1ae32a1SGerd Hoffmann [CR_NOOP] = "CR_NOOP", 339f1ae32a1SGerd Hoffmann [ER_TRANSFER] = "ER_TRANSFER", 340f1ae32a1SGerd Hoffmann [ER_COMMAND_COMPLETE] = "ER_COMMAND_COMPLETE", 341f1ae32a1SGerd Hoffmann [ER_PORT_STATUS_CHANGE] = "ER_PORT_STATUS_CHANGE", 342f1ae32a1SGerd Hoffmann [ER_BANDWIDTH_REQUEST] = "ER_BANDWIDTH_REQUEST", 343f1ae32a1SGerd Hoffmann [ER_DOORBELL] = "ER_DOORBELL", 344f1ae32a1SGerd Hoffmann [ER_HOST_CONTROLLER] = "ER_HOST_CONTROLLER", 345f1ae32a1SGerd Hoffmann [ER_DEVICE_NOTIFICATION] = "ER_DEVICE_NOTIFICATION", 346f1ae32a1SGerd Hoffmann [ER_MFINDEX_WRAP] = "ER_MFINDEX_WRAP", 347f1ae32a1SGerd Hoffmann [CR_VENDOR_NEC_FIRMWARE_REVISION] = "CR_VENDOR_NEC_FIRMWARE_REVISION", 348f1ae32a1SGerd Hoffmann [CR_VENDOR_NEC_CHALLENGE_RESPONSE] = "CR_VENDOR_NEC_CHALLENGE_RESPONSE", 349f1ae32a1SGerd Hoffmann }; 350f1ae32a1SGerd Hoffmann 351873123feSGerd Hoffmann static const char *TRBCCode_names[] = { 352873123feSGerd Hoffmann [CC_INVALID] = "CC_INVALID", 353873123feSGerd Hoffmann [CC_SUCCESS] = "CC_SUCCESS", 354873123feSGerd Hoffmann [CC_DATA_BUFFER_ERROR] = "CC_DATA_BUFFER_ERROR", 355873123feSGerd Hoffmann [CC_BABBLE_DETECTED] = "CC_BABBLE_DETECTED", 356873123feSGerd Hoffmann [CC_USB_TRANSACTION_ERROR] = "CC_USB_TRANSACTION_ERROR", 357873123feSGerd Hoffmann [CC_TRB_ERROR] = "CC_TRB_ERROR", 358873123feSGerd Hoffmann [CC_STALL_ERROR] = "CC_STALL_ERROR", 359873123feSGerd Hoffmann [CC_RESOURCE_ERROR] = "CC_RESOURCE_ERROR", 360873123feSGerd Hoffmann [CC_BANDWIDTH_ERROR] = "CC_BANDWIDTH_ERROR", 361873123feSGerd Hoffmann [CC_NO_SLOTS_ERROR] = "CC_NO_SLOTS_ERROR", 362873123feSGerd Hoffmann [CC_INVALID_STREAM_TYPE_ERROR] = "CC_INVALID_STREAM_TYPE_ERROR", 363873123feSGerd Hoffmann [CC_SLOT_NOT_ENABLED_ERROR] = "CC_SLOT_NOT_ENABLED_ERROR", 364873123feSGerd Hoffmann [CC_EP_NOT_ENABLED_ERROR] = "CC_EP_NOT_ENABLED_ERROR", 365873123feSGerd Hoffmann [CC_SHORT_PACKET] = "CC_SHORT_PACKET", 366873123feSGerd Hoffmann [CC_RING_UNDERRUN] = "CC_RING_UNDERRUN", 367873123feSGerd Hoffmann [CC_RING_OVERRUN] = "CC_RING_OVERRUN", 368873123feSGerd Hoffmann [CC_VF_ER_FULL] = "CC_VF_ER_FULL", 369873123feSGerd Hoffmann [CC_PARAMETER_ERROR] = "CC_PARAMETER_ERROR", 370873123feSGerd Hoffmann [CC_BANDWIDTH_OVERRUN] = "CC_BANDWIDTH_OVERRUN", 371873123feSGerd Hoffmann [CC_CONTEXT_STATE_ERROR] = "CC_CONTEXT_STATE_ERROR", 372873123feSGerd Hoffmann [CC_NO_PING_RESPONSE_ERROR] = "CC_NO_PING_RESPONSE_ERROR", 373873123feSGerd Hoffmann [CC_EVENT_RING_FULL_ERROR] = "CC_EVENT_RING_FULL_ERROR", 374873123feSGerd Hoffmann [CC_INCOMPATIBLE_DEVICE_ERROR] = "CC_INCOMPATIBLE_DEVICE_ERROR", 375873123feSGerd Hoffmann [CC_MISSED_SERVICE_ERROR] = "CC_MISSED_SERVICE_ERROR", 376873123feSGerd Hoffmann [CC_COMMAND_RING_STOPPED] = "CC_COMMAND_RING_STOPPED", 377873123feSGerd Hoffmann [CC_COMMAND_ABORTED] = "CC_COMMAND_ABORTED", 378873123feSGerd Hoffmann [CC_STOPPED] = "CC_STOPPED", 379873123feSGerd Hoffmann [CC_STOPPED_LENGTH_INVALID] = "CC_STOPPED_LENGTH_INVALID", 380873123feSGerd Hoffmann [CC_MAX_EXIT_LATENCY_TOO_LARGE_ERROR] 381873123feSGerd Hoffmann = "CC_MAX_EXIT_LATENCY_TOO_LARGE_ERROR", 382873123feSGerd Hoffmann [CC_ISOCH_BUFFER_OVERRUN] = "CC_ISOCH_BUFFER_OVERRUN", 383873123feSGerd Hoffmann [CC_EVENT_LOST_ERROR] = "CC_EVENT_LOST_ERROR", 384873123feSGerd Hoffmann [CC_UNDEFINED_ERROR] = "CC_UNDEFINED_ERROR", 385873123feSGerd Hoffmann [CC_INVALID_STREAM_ID_ERROR] = "CC_INVALID_STREAM_ID_ERROR", 386873123feSGerd Hoffmann [CC_SECONDARY_BANDWIDTH_ERROR] = "CC_SECONDARY_BANDWIDTH_ERROR", 387873123feSGerd Hoffmann [CC_SPLIT_TRANSACTION_ERROR] = "CC_SPLIT_TRANSACTION_ERROR", 388873123feSGerd Hoffmann }; 389873123feSGerd Hoffmann 3901c82392aSGerd Hoffmann static const char *ep_state_names[] = { 3911c82392aSGerd Hoffmann [EP_DISABLED] = "disabled", 3921c82392aSGerd Hoffmann [EP_RUNNING] = "running", 3931c82392aSGerd Hoffmann [EP_HALTED] = "halted", 3941c82392aSGerd Hoffmann [EP_STOPPED] = "stopped", 3951c82392aSGerd Hoffmann [EP_ERROR] = "error", 3961c82392aSGerd Hoffmann }; 3971c82392aSGerd Hoffmann 398f1ae32a1SGerd Hoffmann static const char *lookup_name(uint32_t index, const char **list, uint32_t llen) 399f1ae32a1SGerd Hoffmann { 400f1ae32a1SGerd Hoffmann if (index >= llen || list[index] == NULL) { 401f1ae32a1SGerd Hoffmann return "???"; 402f1ae32a1SGerd Hoffmann } 403f1ae32a1SGerd Hoffmann return list[index]; 404f1ae32a1SGerd Hoffmann } 405f1ae32a1SGerd Hoffmann 406f1ae32a1SGerd Hoffmann static const char *trb_name(XHCITRB *trb) 407f1ae32a1SGerd Hoffmann { 408f1ae32a1SGerd Hoffmann return lookup_name(TRB_TYPE(*trb), TRBType_names, 409f1ae32a1SGerd Hoffmann ARRAY_SIZE(TRBType_names)); 410f1ae32a1SGerd Hoffmann } 411f1ae32a1SGerd Hoffmann 412873123feSGerd Hoffmann static const char *event_name(XHCIEvent *event) 413873123feSGerd Hoffmann { 414873123feSGerd Hoffmann return lookup_name(event->ccode, TRBCCode_names, 415873123feSGerd Hoffmann ARRAY_SIZE(TRBCCode_names)); 416873123feSGerd Hoffmann } 417873123feSGerd Hoffmann 4181c82392aSGerd Hoffmann static const char *ep_state_name(uint32_t state) 4191c82392aSGerd Hoffmann { 4201c82392aSGerd Hoffmann return lookup_name(state, ep_state_names, 4211c82392aSGerd Hoffmann ARRAY_SIZE(ep_state_names)); 4221c82392aSGerd Hoffmann } 4231c82392aSGerd Hoffmann 424755fba11SSai Pavan Boddu bool xhci_get_flag(XHCIState *xhci, enum xhci_flags bit) 425f9955235SGerd Hoffmann { 426f9955235SGerd Hoffmann return xhci->flags & (1 << bit); 427f9955235SGerd Hoffmann } 428f9955235SGerd Hoffmann 429755fba11SSai Pavan Boddu void xhci_set_flag(XHCIState *xhci, enum xhci_flags bit) 4304f72b8d2SGerd Hoffmann { 4314f72b8d2SGerd Hoffmann xhci->flags |= (1 << bit); 4324f72b8d2SGerd Hoffmann } 4334f72b8d2SGerd Hoffmann 43401546fa6SGerd Hoffmann static uint64_t xhci_mfindex_get(XHCIState *xhci) 43501546fa6SGerd Hoffmann { 436bc72ad67SAlex Bligh int64_t now = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL); 43701546fa6SGerd Hoffmann return (now - xhci->mfindex_start) / 125000; 43801546fa6SGerd Hoffmann } 43901546fa6SGerd Hoffmann 44001546fa6SGerd Hoffmann static void xhci_mfwrap_update(XHCIState *xhci) 44101546fa6SGerd Hoffmann { 44201546fa6SGerd Hoffmann const uint32_t bits = USBCMD_RS | USBCMD_EWE; 44301546fa6SGerd Hoffmann uint32_t mfindex, left; 44401546fa6SGerd Hoffmann int64_t now; 44501546fa6SGerd Hoffmann 44601546fa6SGerd Hoffmann if ((xhci->usbcmd & bits) == bits) { 447bc72ad67SAlex Bligh now = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL); 44801546fa6SGerd Hoffmann mfindex = ((now - xhci->mfindex_start) / 125000) & 0x3fff; 44901546fa6SGerd Hoffmann left = 0x4000 - mfindex; 450bc72ad67SAlex Bligh timer_mod(xhci->mfwrap_timer, now + left * 125000); 45101546fa6SGerd Hoffmann } else { 452bc72ad67SAlex Bligh timer_del(xhci->mfwrap_timer); 45301546fa6SGerd Hoffmann } 45401546fa6SGerd Hoffmann } 45501546fa6SGerd Hoffmann 45601546fa6SGerd Hoffmann static void xhci_mfwrap_timer(void *opaque) 45701546fa6SGerd Hoffmann { 45801546fa6SGerd Hoffmann XHCIState *xhci = opaque; 45901546fa6SGerd Hoffmann XHCIEvent wrap = { ER_MFINDEX_WRAP, CC_SUCCESS }; 46001546fa6SGerd Hoffmann 461962d11e1SGerd Hoffmann xhci_event(xhci, &wrap, 0); 46201546fa6SGerd Hoffmann xhci_mfwrap_update(xhci); 46301546fa6SGerd Hoffmann } 464f1ae32a1SGerd Hoffmann 46559a70ccdSDavid Gibson static inline dma_addr_t xhci_addr64(uint32_t low, uint32_t high) 466f1ae32a1SGerd Hoffmann { 46759a70ccdSDavid Gibson if (sizeof(dma_addr_t) == 4) { 468f1ae32a1SGerd Hoffmann return low; 46959a70ccdSDavid Gibson } else { 47059a70ccdSDavid Gibson return low | (((dma_addr_t)high << 16) << 16); 47159a70ccdSDavid Gibson } 472f1ae32a1SGerd Hoffmann } 473f1ae32a1SGerd Hoffmann 47459a70ccdSDavid Gibson static inline dma_addr_t xhci_mask64(uint64_t addr) 475f1ae32a1SGerd Hoffmann { 47659a70ccdSDavid Gibson if (sizeof(dma_addr_t) == 4) { 477f1ae32a1SGerd Hoffmann return addr & 0xffffffff; 47859a70ccdSDavid Gibson } else { 47959a70ccdSDavid Gibson return addr; 48059a70ccdSDavid Gibson } 481f1ae32a1SGerd Hoffmann } 482f1ae32a1SGerd Hoffmann 483616b5d53SDavid Gibson static inline void xhci_dma_read_u32s(XHCIState *xhci, dma_addr_t addr, 484616b5d53SDavid Gibson uint32_t *buf, size_t len) 485616b5d53SDavid Gibson { 486616b5d53SDavid Gibson int i; 487616b5d53SDavid Gibson 488616b5d53SDavid Gibson assert((len % sizeof(uint32_t)) == 0); 489616b5d53SDavid Gibson 490a5317074SSai Pavan Boddu dma_memory_read(xhci->as, addr, buf, len); 491616b5d53SDavid Gibson 492616b5d53SDavid Gibson for (i = 0; i < (len / sizeof(uint32_t)); i++) { 493616b5d53SDavid Gibson buf[i] = le32_to_cpu(buf[i]); 494616b5d53SDavid Gibson } 495616b5d53SDavid Gibson } 496616b5d53SDavid Gibson 497616b5d53SDavid Gibson static inline void xhci_dma_write_u32s(XHCIState *xhci, dma_addr_t addr, 498616b5d53SDavid Gibson uint32_t *buf, size_t len) 499616b5d53SDavid Gibson { 500616b5d53SDavid Gibson int i; 501182b391eSPeter Xu uint32_t tmp[5]; 502182b391eSPeter Xu uint32_t n = len / sizeof(uint32_t); 503616b5d53SDavid Gibson 504616b5d53SDavid Gibson assert((len % sizeof(uint32_t)) == 0); 505182b391eSPeter Xu assert(n <= ARRAY_SIZE(tmp)); 506616b5d53SDavid Gibson 507182b391eSPeter Xu for (i = 0; i < n; i++) { 508616b5d53SDavid Gibson tmp[i] = cpu_to_le32(buf[i]); 509616b5d53SDavid Gibson } 510a5317074SSai Pavan Boddu dma_memory_write(xhci->as, addr, tmp, len); 511616b5d53SDavid Gibson } 512616b5d53SDavid Gibson 5130846e635SGerd Hoffmann static XHCIPort *xhci_lookup_port(XHCIState *xhci, struct USBPort *uport) 5140846e635SGerd Hoffmann { 5150846e635SGerd Hoffmann int index; 5160846e635SGerd Hoffmann 5170846e635SGerd Hoffmann if (!uport->dev) { 5180846e635SGerd Hoffmann return NULL; 5190846e635SGerd Hoffmann } 5200846e635SGerd Hoffmann switch (uport->dev->speed) { 5210846e635SGerd Hoffmann case USB_SPEED_LOW: 5220846e635SGerd Hoffmann case USB_SPEED_FULL: 5230846e635SGerd Hoffmann case USB_SPEED_HIGH: 5247bafd888SGerd Hoffmann if (xhci_get_flag(xhci, XHCI_FLAG_SS_FIRST)) { 5257bafd888SGerd Hoffmann index = uport->index + xhci->numports_3; 5267bafd888SGerd Hoffmann } else { 5270846e635SGerd Hoffmann index = uport->index; 5287bafd888SGerd Hoffmann } 5290846e635SGerd Hoffmann break; 5300846e635SGerd Hoffmann case USB_SPEED_SUPER: 5317bafd888SGerd Hoffmann if (xhci_get_flag(xhci, XHCI_FLAG_SS_FIRST)) { 5327bafd888SGerd Hoffmann index = uport->index; 5337bafd888SGerd Hoffmann } else { 5340846e635SGerd Hoffmann index = uport->index + xhci->numports_2; 5357bafd888SGerd Hoffmann } 5360846e635SGerd Hoffmann break; 5370846e635SGerd Hoffmann default: 5380846e635SGerd Hoffmann return NULL; 5390846e635SGerd Hoffmann } 5400846e635SGerd Hoffmann return &xhci->ports[index]; 5410846e635SGerd Hoffmann } 5420846e635SGerd Hoffmann 5438ddab8ddSSai Pavan Boddu static void xhci_intr_update(XHCIState *xhci, int v) 544f1ae32a1SGerd Hoffmann { 545f1ae32a1SGerd Hoffmann int level = 0; 546f1ae32a1SGerd Hoffmann 5478ddab8ddSSai Pavan Boddu if (v == 0) { 548962d11e1SGerd Hoffmann if (xhci->intr[0].iman & IMAN_IP && 549962d11e1SGerd Hoffmann xhci->intr[0].iman & IMAN_IE && 550215bff17SLai Jiangshan xhci->usbcmd & USBCMD_INTE) { 551f1ae32a1SGerd Hoffmann level = 1; 552f1ae32a1SGerd Hoffmann } 5538ddab8ddSSai Pavan Boddu if (xhci->intr_raise) { 5548ddab8ddSSai Pavan Boddu xhci->intr_raise(xhci, 0, level); 555f1ae32a1SGerd Hoffmann } 5564c47f800SGerd Hoffmann } 5578ddab8ddSSai Pavan Boddu if (xhci->intr_update) { 5588ddab8ddSSai Pavan Boddu xhci->intr_update(xhci, v, 5598ddab8ddSSai Pavan Boddu xhci->intr[v].iman & IMAN_IE); 5604c47f800SGerd Hoffmann } 5614c47f800SGerd Hoffmann } 5624c47f800SGerd Hoffmann 563962d11e1SGerd Hoffmann static void xhci_intr_raise(XHCIState *xhci, int v) 5644c4abe7cSGerd Hoffmann { 5657da76e12SGerd Hoffmann bool pending = (xhci->intr[v].erdp_low & ERDP_EHB); 5669b7d3334SAndreas Färber 567962d11e1SGerd Hoffmann xhci->intr[v].erdp_low |= ERDP_EHB; 568962d11e1SGerd Hoffmann xhci->intr[v].iman |= IMAN_IP; 5692cae4119SGerd Hoffmann xhci->usbsts |= USBSTS_EINT; 5702cae4119SGerd Hoffmann 5717da76e12SGerd Hoffmann if (pending) { 5727da76e12SGerd Hoffmann return; 5737da76e12SGerd Hoffmann } 574962d11e1SGerd Hoffmann if (!(xhci->intr[v].iman & IMAN_IE)) { 5754c4abe7cSGerd Hoffmann return; 5764c4abe7cSGerd Hoffmann } 5774c4abe7cSGerd Hoffmann 5784c4abe7cSGerd Hoffmann if (!(xhci->usbcmd & USBCMD_INTE)) { 5794c4abe7cSGerd Hoffmann return; 5804c4abe7cSGerd Hoffmann } 5818ddab8ddSSai Pavan Boddu if (xhci->intr_raise) { 5828ddab8ddSSai Pavan Boddu xhci->intr_raise(xhci, v, true); 583f1ae32a1SGerd Hoffmann } 584962d11e1SGerd Hoffmann } 585f1ae32a1SGerd Hoffmann 586f1ae32a1SGerd Hoffmann static inline int xhci_running(XHCIState *xhci) 587f1ae32a1SGerd Hoffmann { 588898248a3SGerd Hoffmann return !(xhci->usbsts & USBSTS_HCH); 589f1ae32a1SGerd Hoffmann } 590f1ae32a1SGerd Hoffmann 591f1ae32a1SGerd Hoffmann static void xhci_die(XHCIState *xhci) 592f1ae32a1SGerd Hoffmann { 593f1ae32a1SGerd Hoffmann xhci->usbsts |= USBSTS_HCE; 594d6bb65fcSGerd Hoffmann DPRINTF("xhci: asserted controller error\n"); 595f1ae32a1SGerd Hoffmann } 596f1ae32a1SGerd Hoffmann 597962d11e1SGerd Hoffmann static void xhci_write_event(XHCIState *xhci, XHCIEvent *event, int v) 598f1ae32a1SGerd Hoffmann { 599962d11e1SGerd Hoffmann XHCIInterrupter *intr = &xhci->intr[v]; 600f1ae32a1SGerd Hoffmann XHCITRB ev_trb; 60159a70ccdSDavid Gibson dma_addr_t addr; 602f1ae32a1SGerd Hoffmann 603f1ae32a1SGerd Hoffmann ev_trb.parameter = cpu_to_le64(event->ptr); 604f1ae32a1SGerd Hoffmann ev_trb.status = cpu_to_le32(event->length | (event->ccode << 24)); 605f1ae32a1SGerd Hoffmann ev_trb.control = (event->slotid << 24) | (event->epid << 16) | 606f1ae32a1SGerd Hoffmann event->flags | (event->type << TRB_TYPE_SHIFT); 607962d11e1SGerd Hoffmann if (intr->er_pcs) { 608f1ae32a1SGerd Hoffmann ev_trb.control |= TRB_C; 609f1ae32a1SGerd Hoffmann } 610f1ae32a1SGerd Hoffmann ev_trb.control = cpu_to_le32(ev_trb.control); 611f1ae32a1SGerd Hoffmann 612962d11e1SGerd Hoffmann trace_usb_xhci_queue_event(v, intr->er_ep_idx, trb_name(&ev_trb), 613873123feSGerd Hoffmann event_name(event), ev_trb.parameter, 614873123feSGerd Hoffmann ev_trb.status, ev_trb.control); 615f1ae32a1SGerd Hoffmann 616962d11e1SGerd Hoffmann addr = intr->er_start + TRB_SIZE*intr->er_ep_idx; 617a5317074SSai Pavan Boddu dma_memory_write(xhci->as, addr, &ev_trb, TRB_SIZE); 618f1ae32a1SGerd Hoffmann 619962d11e1SGerd Hoffmann intr->er_ep_idx++; 620962d11e1SGerd Hoffmann if (intr->er_ep_idx >= intr->er_size) { 621962d11e1SGerd Hoffmann intr->er_ep_idx = 0; 622962d11e1SGerd Hoffmann intr->er_pcs = !intr->er_pcs; 623f1ae32a1SGerd Hoffmann } 624f1ae32a1SGerd Hoffmann } 625f1ae32a1SGerd Hoffmann 626962d11e1SGerd Hoffmann static void xhci_event(XHCIState *xhci, XHCIEvent *event, int v) 627f1ae32a1SGerd Hoffmann { 6282d1de850SGerd Hoffmann XHCIInterrupter *intr; 62959a70ccdSDavid Gibson dma_addr_t erdp; 630f1ae32a1SGerd Hoffmann unsigned int dp_idx; 631f1ae32a1SGerd Hoffmann 63291062ae0SGerd Hoffmann if (v >= xhci->numintrs) { 63391062ae0SGerd Hoffmann DPRINTF("intr nr out of range (%d >= %d)\n", v, xhci->numintrs); 6342d1de850SGerd Hoffmann return; 6352d1de850SGerd Hoffmann } 6362d1de850SGerd Hoffmann intr = &xhci->intr[v]; 6372d1de850SGerd Hoffmann 638962d11e1SGerd Hoffmann erdp = xhci_addr64(intr->erdp_low, intr->erdp_high); 639962d11e1SGerd Hoffmann if (erdp < intr->er_start || 640962d11e1SGerd Hoffmann erdp >= (intr->er_start + TRB_SIZE*intr->er_size)) { 641d6bb65fcSGerd Hoffmann DPRINTF("xhci: ERDP out of bounds: "DMA_ADDR_FMT"\n", erdp); 642d6bb65fcSGerd Hoffmann DPRINTF("xhci: ER[%d] at "DMA_ADDR_FMT" len %d\n", 643962d11e1SGerd Hoffmann v, intr->er_start, intr->er_size); 644f1ae32a1SGerd Hoffmann xhci_die(xhci); 645f1ae32a1SGerd Hoffmann return; 646f1ae32a1SGerd Hoffmann } 647f1ae32a1SGerd Hoffmann 648962d11e1SGerd Hoffmann dp_idx = (erdp - intr->er_start) / TRB_SIZE; 649962d11e1SGerd Hoffmann assert(dp_idx < intr->er_size); 650f1ae32a1SGerd Hoffmann 651898248a3SGerd Hoffmann if ((intr->er_ep_idx + 2) % intr->er_size == dp_idx) { 652898248a3SGerd Hoffmann DPRINTF("xhci: ER %d full, send ring full error\n", v); 653f1ae32a1SGerd Hoffmann XHCIEvent full = {ER_HOST_CONTROLLER, CC_EVENT_RING_FULL_ERROR}; 654898248a3SGerd Hoffmann xhci_write_event(xhci, &full, v); 655898248a3SGerd Hoffmann } else if ((intr->er_ep_idx + 1) % intr->er_size == dp_idx) { 656898248a3SGerd Hoffmann DPRINTF("xhci: ER %d full, drop event\n", v); 657f1ae32a1SGerd Hoffmann } else { 658962d11e1SGerd Hoffmann xhci_write_event(xhci, event, v); 659f1ae32a1SGerd Hoffmann } 660f1ae32a1SGerd Hoffmann 661962d11e1SGerd Hoffmann xhci_intr_raise(xhci, v); 662f1ae32a1SGerd Hoffmann } 663f1ae32a1SGerd Hoffmann 664f1ae32a1SGerd Hoffmann static void xhci_ring_init(XHCIState *xhci, XHCIRing *ring, 66559a70ccdSDavid Gibson dma_addr_t base) 666f1ae32a1SGerd Hoffmann { 667f1ae32a1SGerd Hoffmann ring->dequeue = base; 668f1ae32a1SGerd Hoffmann ring->ccs = 1; 669f1ae32a1SGerd Hoffmann } 670f1ae32a1SGerd Hoffmann 671f1ae32a1SGerd Hoffmann static TRBType xhci_ring_fetch(XHCIState *xhci, XHCIRing *ring, XHCITRB *trb, 67259a70ccdSDavid Gibson dma_addr_t *addr) 673f1ae32a1SGerd Hoffmann { 67405f43d44SGerd Hoffmann uint32_t link_cnt = 0; 6759b7d3334SAndreas Färber 676f1ae32a1SGerd Hoffmann while (1) { 677f1ae32a1SGerd Hoffmann TRBType type; 678a5317074SSai Pavan Boddu dma_memory_read(xhci->as, ring->dequeue, trb, TRB_SIZE); 679f1ae32a1SGerd Hoffmann trb->addr = ring->dequeue; 680f1ae32a1SGerd Hoffmann trb->ccs = ring->ccs; 681f1ae32a1SGerd Hoffmann le64_to_cpus(&trb->parameter); 682f1ae32a1SGerd Hoffmann le32_to_cpus(&trb->status); 683f1ae32a1SGerd Hoffmann le32_to_cpus(&trb->control); 684f1ae32a1SGerd Hoffmann 6850703a4a7SGerd Hoffmann trace_usb_xhci_fetch_trb(ring->dequeue, trb_name(trb), 6860703a4a7SGerd Hoffmann trb->parameter, trb->status, trb->control); 687f1ae32a1SGerd Hoffmann 688f1ae32a1SGerd Hoffmann if ((trb->control & TRB_C) != ring->ccs) { 689f1ae32a1SGerd Hoffmann return 0; 690f1ae32a1SGerd Hoffmann } 691f1ae32a1SGerd Hoffmann 692f1ae32a1SGerd Hoffmann type = TRB_TYPE(*trb); 693f1ae32a1SGerd Hoffmann 694f1ae32a1SGerd Hoffmann if (type != TR_LINK) { 695f1ae32a1SGerd Hoffmann if (addr) { 696f1ae32a1SGerd Hoffmann *addr = ring->dequeue; 697f1ae32a1SGerd Hoffmann } 698f1ae32a1SGerd Hoffmann ring->dequeue += TRB_SIZE; 699f1ae32a1SGerd Hoffmann return type; 700f1ae32a1SGerd Hoffmann } else { 70105f43d44SGerd Hoffmann if (++link_cnt > TRB_LINK_LIMIT) { 702f89b60f6SGerd Hoffmann trace_usb_xhci_enforced_limit("trb-link"); 70305f43d44SGerd Hoffmann return 0; 70405f43d44SGerd Hoffmann } 705f1ae32a1SGerd Hoffmann ring->dequeue = xhci_mask64(trb->parameter); 706f1ae32a1SGerd Hoffmann if (trb->control & TRB_LK_TC) { 707f1ae32a1SGerd Hoffmann ring->ccs = !ring->ccs; 708f1ae32a1SGerd Hoffmann } 709f1ae32a1SGerd Hoffmann } 710f1ae32a1SGerd Hoffmann } 711f1ae32a1SGerd Hoffmann } 712f1ae32a1SGerd Hoffmann 713f1ae32a1SGerd Hoffmann static int xhci_ring_chain_length(XHCIState *xhci, const XHCIRing *ring) 714f1ae32a1SGerd Hoffmann { 715f1ae32a1SGerd Hoffmann XHCITRB trb; 716f1ae32a1SGerd Hoffmann int length = 0; 71759a70ccdSDavid Gibson dma_addr_t dequeue = ring->dequeue; 718f1ae32a1SGerd Hoffmann bool ccs = ring->ccs; 719f1ae32a1SGerd Hoffmann /* hack to bundle together the two/three TDs that make a setup transfer */ 720f1ae32a1SGerd Hoffmann bool control_td_set = 0; 72105f43d44SGerd Hoffmann uint32_t link_cnt = 0; 722f1ae32a1SGerd Hoffmann 723f1ae32a1SGerd Hoffmann while (1) { 724f1ae32a1SGerd Hoffmann TRBType type; 725a5317074SSai Pavan Boddu dma_memory_read(xhci->as, dequeue, &trb, TRB_SIZE); 726f1ae32a1SGerd Hoffmann le64_to_cpus(&trb.parameter); 727f1ae32a1SGerd Hoffmann le32_to_cpus(&trb.status); 728f1ae32a1SGerd Hoffmann le32_to_cpus(&trb.control); 729f1ae32a1SGerd Hoffmann 730f1ae32a1SGerd Hoffmann if ((trb.control & TRB_C) != ccs) { 731f1ae32a1SGerd Hoffmann return -length; 732f1ae32a1SGerd Hoffmann } 733f1ae32a1SGerd Hoffmann 734f1ae32a1SGerd Hoffmann type = TRB_TYPE(trb); 735f1ae32a1SGerd Hoffmann 736f1ae32a1SGerd Hoffmann if (type == TR_LINK) { 73705f43d44SGerd Hoffmann if (++link_cnt > TRB_LINK_LIMIT) { 73805f43d44SGerd Hoffmann return -length; 73905f43d44SGerd Hoffmann } 740f1ae32a1SGerd Hoffmann dequeue = xhci_mask64(trb.parameter); 741f1ae32a1SGerd Hoffmann if (trb.control & TRB_LK_TC) { 742f1ae32a1SGerd Hoffmann ccs = !ccs; 743f1ae32a1SGerd Hoffmann } 744f1ae32a1SGerd Hoffmann continue; 745f1ae32a1SGerd Hoffmann } 746f1ae32a1SGerd Hoffmann 747f1ae32a1SGerd Hoffmann length += 1; 748f1ae32a1SGerd Hoffmann dequeue += TRB_SIZE; 749f1ae32a1SGerd Hoffmann 750f1ae32a1SGerd Hoffmann if (type == TR_SETUP) { 751f1ae32a1SGerd Hoffmann control_td_set = 1; 752f1ae32a1SGerd Hoffmann } else if (type == TR_STATUS) { 753f1ae32a1SGerd Hoffmann control_td_set = 0; 754f1ae32a1SGerd Hoffmann } 755f1ae32a1SGerd Hoffmann 756f1ae32a1SGerd Hoffmann if (!control_td_set && !(trb.control & TRB_TR_CH)) { 757f1ae32a1SGerd Hoffmann return length; 758f1ae32a1SGerd Hoffmann } 759f1ae32a1SGerd Hoffmann } 760f1ae32a1SGerd Hoffmann } 761f1ae32a1SGerd Hoffmann 762962d11e1SGerd Hoffmann static void xhci_er_reset(XHCIState *xhci, int v) 763f1ae32a1SGerd Hoffmann { 764962d11e1SGerd Hoffmann XHCIInterrupter *intr = &xhci->intr[v]; 765f1ae32a1SGerd Hoffmann XHCIEvRingSeg seg; 7666100dda7SAlexey Kardashevskiy dma_addr_t erstba = xhci_addr64(intr->erstba_low, intr->erstba_high); 767f1ae32a1SGerd Hoffmann 7686100dda7SAlexey Kardashevskiy if (intr->erstsz == 0 || erstba == 0) { 769e099ad4bSGerd Hoffmann /* disabled */ 770e099ad4bSGerd Hoffmann intr->er_start = 0; 771e099ad4bSGerd Hoffmann intr->er_size = 0; 772e099ad4bSGerd Hoffmann return; 773e099ad4bSGerd Hoffmann } 774f1ae32a1SGerd Hoffmann /* cache the (sole) event ring segment location */ 775962d11e1SGerd Hoffmann if (intr->erstsz != 1) { 776d6bb65fcSGerd Hoffmann DPRINTF("xhci: invalid value for ERSTSZ: %d\n", intr->erstsz); 777f1ae32a1SGerd Hoffmann xhci_die(xhci); 778f1ae32a1SGerd Hoffmann return; 779f1ae32a1SGerd Hoffmann } 780a5317074SSai Pavan Boddu dma_memory_read(xhci->as, erstba, &seg, sizeof(seg)); 781f1ae32a1SGerd Hoffmann le32_to_cpus(&seg.addr_low); 782f1ae32a1SGerd Hoffmann le32_to_cpus(&seg.addr_high); 783f1ae32a1SGerd Hoffmann le32_to_cpus(&seg.size); 784f1ae32a1SGerd Hoffmann if (seg.size < 16 || seg.size > 4096) { 785d6bb65fcSGerd Hoffmann DPRINTF("xhci: invalid value for segment size: %d\n", seg.size); 786f1ae32a1SGerd Hoffmann xhci_die(xhci); 787f1ae32a1SGerd Hoffmann return; 788f1ae32a1SGerd Hoffmann } 789962d11e1SGerd Hoffmann intr->er_start = xhci_addr64(seg.addr_low, seg.addr_high); 790962d11e1SGerd Hoffmann intr->er_size = seg.size; 791f1ae32a1SGerd Hoffmann 792962d11e1SGerd Hoffmann intr->er_ep_idx = 0; 793962d11e1SGerd Hoffmann intr->er_pcs = 1; 794f1ae32a1SGerd Hoffmann 795962d11e1SGerd Hoffmann DPRINTF("xhci: event ring[%d]:" DMA_ADDR_FMT " [%d]\n", 796962d11e1SGerd Hoffmann v, intr->er_start, intr->er_size); 797f1ae32a1SGerd Hoffmann } 798f1ae32a1SGerd Hoffmann 799f1ae32a1SGerd Hoffmann static void xhci_run(XHCIState *xhci) 800f1ae32a1SGerd Hoffmann { 801fc0ddacaSGerd Hoffmann trace_usb_xhci_run(); 802f1ae32a1SGerd Hoffmann xhci->usbsts &= ~USBSTS_HCH; 803bc72ad67SAlex Bligh xhci->mfindex_start = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL); 804f1ae32a1SGerd Hoffmann } 805f1ae32a1SGerd Hoffmann 806f1ae32a1SGerd Hoffmann static void xhci_stop(XHCIState *xhci) 807f1ae32a1SGerd Hoffmann { 808fc0ddacaSGerd Hoffmann trace_usb_xhci_stop(); 809f1ae32a1SGerd Hoffmann xhci->usbsts |= USBSTS_HCH; 810f1ae32a1SGerd Hoffmann xhci->crcr_low &= ~CRCR_CRR; 811f1ae32a1SGerd Hoffmann } 812f1ae32a1SGerd Hoffmann 813024426acSGerd Hoffmann static XHCIStreamContext *xhci_alloc_stream_contexts(unsigned count, 814024426acSGerd Hoffmann dma_addr_t base) 815024426acSGerd Hoffmann { 816024426acSGerd Hoffmann XHCIStreamContext *stctx; 817024426acSGerd Hoffmann unsigned int i; 818024426acSGerd Hoffmann 819024426acSGerd Hoffmann stctx = g_new0(XHCIStreamContext, count); 820024426acSGerd Hoffmann for (i = 0; i < count; i++) { 821024426acSGerd Hoffmann stctx[i].pctx = base + i * 16; 822024426acSGerd Hoffmann stctx[i].sct = -1; 823024426acSGerd Hoffmann } 824024426acSGerd Hoffmann return stctx; 825024426acSGerd Hoffmann } 826024426acSGerd Hoffmann 827024426acSGerd Hoffmann static void xhci_reset_streams(XHCIEPContext *epctx) 828024426acSGerd Hoffmann { 829024426acSGerd Hoffmann unsigned int i; 830024426acSGerd Hoffmann 831024426acSGerd Hoffmann for (i = 0; i < epctx->nr_pstreams; i++) { 832024426acSGerd Hoffmann epctx->pstreams[i].sct = -1; 833024426acSGerd Hoffmann } 834024426acSGerd Hoffmann } 835024426acSGerd Hoffmann 836024426acSGerd Hoffmann static void xhci_alloc_streams(XHCIEPContext *epctx, dma_addr_t base) 837024426acSGerd Hoffmann { 838024426acSGerd Hoffmann assert(epctx->pstreams == NULL); 839f90e160bSGerd Hoffmann epctx->nr_pstreams = 2 << epctx->max_pstreams; 840024426acSGerd Hoffmann epctx->pstreams = xhci_alloc_stream_contexts(epctx->nr_pstreams, base); 841024426acSGerd Hoffmann } 842024426acSGerd Hoffmann 843024426acSGerd Hoffmann static void xhci_free_streams(XHCIEPContext *epctx) 844024426acSGerd Hoffmann { 845024426acSGerd Hoffmann assert(epctx->pstreams != NULL); 846024426acSGerd Hoffmann 847024426acSGerd Hoffmann g_free(epctx->pstreams); 848024426acSGerd Hoffmann epctx->pstreams = NULL; 849024426acSGerd Hoffmann epctx->nr_pstreams = 0; 850024426acSGerd Hoffmann } 851024426acSGerd Hoffmann 85272391da5SHans de Goede static int xhci_epmask_to_eps_with_streams(XHCIState *xhci, 85372391da5SHans de Goede unsigned int slotid, 85472391da5SHans de Goede uint32_t epmask, 85572391da5SHans de Goede XHCIEPContext **epctxs, 85672391da5SHans de Goede USBEndpoint **eps) 85772391da5SHans de Goede { 85872391da5SHans de Goede XHCISlot *slot; 85972391da5SHans de Goede XHCIEPContext *epctx; 86072391da5SHans de Goede USBEndpoint *ep; 86172391da5SHans de Goede int i, j; 86272391da5SHans de Goede 86372391da5SHans de Goede assert(slotid >= 1 && slotid <= xhci->numslots); 86472391da5SHans de Goede 86572391da5SHans de Goede slot = &xhci->slots[slotid - 1]; 86672391da5SHans de Goede 86772391da5SHans de Goede for (i = 2, j = 0; i <= 31; i++) { 8683d80365bSGerd Hoffmann if (!(epmask & (1u << i))) { 86972391da5SHans de Goede continue; 87072391da5SHans de Goede } 87172391da5SHans de Goede 87272391da5SHans de Goede epctx = slot->eps[i - 1]; 873070eeef9SGerd Hoffmann ep = xhci_epid_to_usbep(epctx); 87472391da5SHans de Goede if (!epctx || !epctx->nr_pstreams || !ep) { 87572391da5SHans de Goede continue; 87672391da5SHans de Goede } 87772391da5SHans de Goede 87872391da5SHans de Goede if (epctxs) { 87972391da5SHans de Goede epctxs[j] = epctx; 88072391da5SHans de Goede } 88172391da5SHans de Goede eps[j++] = ep; 88272391da5SHans de Goede } 88372391da5SHans de Goede return j; 88472391da5SHans de Goede } 88572391da5SHans de Goede 88672391da5SHans de Goede static void xhci_free_device_streams(XHCIState *xhci, unsigned int slotid, 88772391da5SHans de Goede uint32_t epmask) 88872391da5SHans de Goede { 88972391da5SHans de Goede USBEndpoint *eps[30]; 89072391da5SHans de Goede int nr_eps; 89172391da5SHans de Goede 89272391da5SHans de Goede nr_eps = xhci_epmask_to_eps_with_streams(xhci, slotid, epmask, NULL, eps); 89372391da5SHans de Goede if (nr_eps) { 89472391da5SHans de Goede usb_device_free_streams(eps[0]->dev, eps, nr_eps); 89572391da5SHans de Goede } 89672391da5SHans de Goede } 89772391da5SHans de Goede 89872391da5SHans de Goede static TRBCCode xhci_alloc_device_streams(XHCIState *xhci, unsigned int slotid, 89972391da5SHans de Goede uint32_t epmask) 90072391da5SHans de Goede { 90172391da5SHans de Goede XHCIEPContext *epctxs[30]; 90272391da5SHans de Goede USBEndpoint *eps[30]; 90372391da5SHans de Goede int i, r, nr_eps, req_nr_streams, dev_max_streams; 90472391da5SHans de Goede 90572391da5SHans de Goede nr_eps = xhci_epmask_to_eps_with_streams(xhci, slotid, epmask, epctxs, 90672391da5SHans de Goede eps); 90772391da5SHans de Goede if (nr_eps == 0) { 90872391da5SHans de Goede return CC_SUCCESS; 90972391da5SHans de Goede } 91072391da5SHans de Goede 91172391da5SHans de Goede req_nr_streams = epctxs[0]->nr_pstreams; 91272391da5SHans de Goede dev_max_streams = eps[0]->max_streams; 91372391da5SHans de Goede 91472391da5SHans de Goede for (i = 1; i < nr_eps; i++) { 91572391da5SHans de Goede /* 91672391da5SHans de Goede * HdG: I don't expect these to ever trigger, but if they do we need 91772391da5SHans de Goede * to come up with another solution, ie group identical endpoints 91872391da5SHans de Goede * together and make an usb_device_alloc_streams call per group. 91972391da5SHans de Goede */ 92072391da5SHans de Goede if (epctxs[i]->nr_pstreams != req_nr_streams) { 92172391da5SHans de Goede FIXME("guest streams config not identical for all eps"); 92272391da5SHans de Goede return CC_RESOURCE_ERROR; 92372391da5SHans de Goede } 92472391da5SHans de Goede if (eps[i]->max_streams != dev_max_streams) { 92572391da5SHans de Goede FIXME("device streams config not identical for all eps"); 92672391da5SHans de Goede return CC_RESOURCE_ERROR; 92772391da5SHans de Goede } 92872391da5SHans de Goede } 92972391da5SHans de Goede 93072391da5SHans de Goede /* 93172391da5SHans de Goede * max-streams in both the device descriptor and in the controller is a 93272391da5SHans de Goede * power of 2. But stream id 0 is reserved, so if a device can do up to 4 93372391da5SHans de Goede * streams the guest will ask for 5 rounded up to the next power of 2 which 93472391da5SHans de Goede * becomes 8. For emulated devices usb_device_alloc_streams is a nop. 93572391da5SHans de Goede * 93672391da5SHans de Goede * For redirected devices however this is an issue, as there we must ask 93772391da5SHans de Goede * the real xhci controller to alloc streams, and the host driver for the 93872391da5SHans de Goede * real xhci controller will likely disallow allocating more streams then 93972391da5SHans de Goede * the device can handle. 94072391da5SHans de Goede * 94172391da5SHans de Goede * So we limit the requested nr_streams to the maximum number the device 94272391da5SHans de Goede * can handle. 94372391da5SHans de Goede */ 94472391da5SHans de Goede if (req_nr_streams > dev_max_streams) { 94572391da5SHans de Goede req_nr_streams = dev_max_streams; 94672391da5SHans de Goede } 94772391da5SHans de Goede 94872391da5SHans de Goede r = usb_device_alloc_streams(eps[0]->dev, eps, nr_eps, req_nr_streams); 94972391da5SHans de Goede if (r != 0) { 950d6bb65fcSGerd Hoffmann DPRINTF("xhci: alloc streams failed\n"); 95172391da5SHans de Goede return CC_RESOURCE_ERROR; 95272391da5SHans de Goede } 95372391da5SHans de Goede 95472391da5SHans de Goede return CC_SUCCESS; 95572391da5SHans de Goede } 95672391da5SHans de Goede 957024426acSGerd Hoffmann static XHCIStreamContext *xhci_find_stream(XHCIEPContext *epctx, 958024426acSGerd Hoffmann unsigned int streamid, 959024426acSGerd Hoffmann uint32_t *cc_error) 960024426acSGerd Hoffmann { 961024426acSGerd Hoffmann XHCIStreamContext *sctx; 962024426acSGerd Hoffmann dma_addr_t base; 963024426acSGerd Hoffmann uint32_t ctx[2], sct; 964024426acSGerd Hoffmann 965024426acSGerd Hoffmann assert(streamid != 0); 966024426acSGerd Hoffmann if (epctx->lsa) { 967024426acSGerd Hoffmann if (streamid >= epctx->nr_pstreams) { 968024426acSGerd Hoffmann *cc_error = CC_INVALID_STREAM_ID_ERROR; 969024426acSGerd Hoffmann return NULL; 970024426acSGerd Hoffmann } 971024426acSGerd Hoffmann sctx = epctx->pstreams + streamid; 972024426acSGerd Hoffmann } else { 973024426acSGerd Hoffmann FIXME("secondary streams not implemented yet"); 974024426acSGerd Hoffmann } 975024426acSGerd Hoffmann 976024426acSGerd Hoffmann if (sctx->sct == -1) { 977024426acSGerd Hoffmann xhci_dma_read_u32s(epctx->xhci, sctx->pctx, ctx, sizeof(ctx)); 978024426acSGerd Hoffmann sct = (ctx[0] >> 1) & 0x07; 979024426acSGerd Hoffmann if (epctx->lsa && sct != 1) { 980024426acSGerd Hoffmann *cc_error = CC_INVALID_STREAM_TYPE_ERROR; 981024426acSGerd Hoffmann return NULL; 982024426acSGerd Hoffmann } 983024426acSGerd Hoffmann sctx->sct = sct; 984024426acSGerd Hoffmann base = xhci_addr64(ctx[0] & ~0xf, ctx[1]); 985024426acSGerd Hoffmann xhci_ring_init(epctx->xhci, &sctx->ring, base); 986024426acSGerd Hoffmann } 987024426acSGerd Hoffmann return sctx; 988024426acSGerd Hoffmann } 989024426acSGerd Hoffmann 990f1ae32a1SGerd Hoffmann static void xhci_set_ep_state(XHCIState *xhci, XHCIEPContext *epctx, 991024426acSGerd Hoffmann XHCIStreamContext *sctx, uint32_t state) 992f1ae32a1SGerd Hoffmann { 993c90daa1cSHans de Goede XHCIRing *ring = NULL; 994f1ae32a1SGerd Hoffmann uint32_t ctx[5]; 995024426acSGerd Hoffmann uint32_t ctx2[2]; 996f1ae32a1SGerd Hoffmann 997616b5d53SDavid Gibson xhci_dma_read_u32s(xhci, epctx->pctx, ctx, sizeof(ctx)); 998f1ae32a1SGerd Hoffmann ctx[0] &= ~EP_STATE_MASK; 999f1ae32a1SGerd Hoffmann ctx[0] |= state; 1000024426acSGerd Hoffmann 1001024426acSGerd Hoffmann /* update ring dequeue ptr */ 1002024426acSGerd Hoffmann if (epctx->nr_pstreams) { 1003024426acSGerd Hoffmann if (sctx != NULL) { 1004c90daa1cSHans de Goede ring = &sctx->ring; 1005024426acSGerd Hoffmann xhci_dma_read_u32s(xhci, sctx->pctx, ctx2, sizeof(ctx2)); 1006024426acSGerd Hoffmann ctx2[0] &= 0xe; 1007024426acSGerd Hoffmann ctx2[0] |= sctx->ring.dequeue | sctx->ring.ccs; 1008024426acSGerd Hoffmann ctx2[1] = (sctx->ring.dequeue >> 16) >> 16; 1009024426acSGerd Hoffmann xhci_dma_write_u32s(xhci, sctx->pctx, ctx2, sizeof(ctx2)); 1010024426acSGerd Hoffmann } 1011024426acSGerd Hoffmann } else { 1012c90daa1cSHans de Goede ring = &epctx->ring; 1013c90daa1cSHans de Goede } 1014c90daa1cSHans de Goede if (ring) { 1015c90daa1cSHans de Goede ctx[2] = ring->dequeue | ring->ccs; 1016c90daa1cSHans de Goede ctx[3] = (ring->dequeue >> 16) >> 16; 1017c90daa1cSHans de Goede 101859a70ccdSDavid Gibson DPRINTF("xhci: set epctx: " DMA_ADDR_FMT " state=%d dequeue=%08x%08x\n", 1019f1ae32a1SGerd Hoffmann epctx->pctx, state, ctx[3], ctx[2]); 1020024426acSGerd Hoffmann } 1021024426acSGerd Hoffmann 1022616b5d53SDavid Gibson xhci_dma_write_u32s(xhci, epctx->pctx, ctx, sizeof(ctx)); 10231c82392aSGerd Hoffmann if (epctx->state != state) { 10241c82392aSGerd Hoffmann trace_usb_xhci_ep_state(epctx->slotid, epctx->epid, 10251c82392aSGerd Hoffmann ep_state_name(epctx->state), 10261c82392aSGerd Hoffmann ep_state_name(state)); 10271c82392aSGerd Hoffmann } 1028f1ae32a1SGerd Hoffmann epctx->state = state; 1029f1ae32a1SGerd Hoffmann } 1030f1ae32a1SGerd Hoffmann 10313d139684SGerd Hoffmann static void xhci_ep_kick_timer(void *opaque) 10323d139684SGerd Hoffmann { 10333d139684SGerd Hoffmann XHCIEPContext *epctx = opaque; 10343a533ee8SGerd Hoffmann xhci_kick_epctx(epctx, 0); 10353d139684SGerd Hoffmann } 10363d139684SGerd Hoffmann 1037492b21f6SGerd Hoffmann static XHCIEPContext *xhci_alloc_epctx(XHCIState *xhci, 1038492b21f6SGerd Hoffmann unsigned int slotid, 1039492b21f6SGerd Hoffmann unsigned int epid) 1040492b21f6SGerd Hoffmann { 1041492b21f6SGerd Hoffmann XHCIEPContext *epctx; 1042492b21f6SGerd Hoffmann 1043492b21f6SGerd Hoffmann epctx = g_new0(XHCIEPContext, 1); 1044492b21f6SGerd Hoffmann epctx->xhci = xhci; 1045492b21f6SGerd Hoffmann epctx->slotid = slotid; 1046492b21f6SGerd Hoffmann epctx->epid = epid; 1047492b21f6SGerd Hoffmann 104894b037f2SGerd Hoffmann QTAILQ_INIT(&epctx->transfers); 1049bc72ad67SAlex Bligh epctx->kick_timer = timer_new_ns(QEMU_CLOCK_VIRTUAL, xhci_ep_kick_timer, epctx); 1050492b21f6SGerd Hoffmann 1051492b21f6SGerd Hoffmann return epctx; 1052492b21f6SGerd Hoffmann } 1053492b21f6SGerd Hoffmann 1054003e15a1SGerd Hoffmann static void xhci_init_epctx(XHCIEPContext *epctx, 1055003e15a1SGerd Hoffmann dma_addr_t pctx, uint32_t *ctx) 1056f1ae32a1SGerd Hoffmann { 105759a70ccdSDavid Gibson dma_addr_t dequeue; 1058f1ae32a1SGerd Hoffmann 1059f1ae32a1SGerd Hoffmann dequeue = xhci_addr64(ctx[2] & ~0xf, ctx[3]); 1060f1ae32a1SGerd Hoffmann 1061f1ae32a1SGerd Hoffmann epctx->type = (ctx[1] >> EP_TYPE_SHIFT) & EP_TYPE_MASK; 1062f1ae32a1SGerd Hoffmann epctx->pctx = pctx; 1063f1ae32a1SGerd Hoffmann epctx->max_psize = ctx[1]>>16; 1064f1ae32a1SGerd Hoffmann epctx->max_psize *= 1+((ctx[1]>>8)&0xff); 10652aa6bfcbSGerd Hoffmann epctx->max_pstreams = (ctx[0] >> 10) & epctx->xhci->max_pstreams_mask; 1066024426acSGerd Hoffmann epctx->lsa = (ctx[0] >> 15) & 1; 1067024426acSGerd Hoffmann if (epctx->max_pstreams) { 1068024426acSGerd Hoffmann xhci_alloc_streams(epctx, dequeue); 1069024426acSGerd Hoffmann } else { 1070003e15a1SGerd Hoffmann xhci_ring_init(epctx->xhci, &epctx->ring, dequeue); 1071024426acSGerd Hoffmann epctx->ring.ccs = ctx[2] & 1; 1072024426acSGerd Hoffmann } 1073f1ae32a1SGerd Hoffmann 1074ca716278SGerd Hoffmann epctx->interval = 1 << ((ctx[0] >> 16) & 0xff); 1075003e15a1SGerd Hoffmann } 1076003e15a1SGerd Hoffmann 1077003e15a1SGerd Hoffmann static TRBCCode xhci_enable_ep(XHCIState *xhci, unsigned int slotid, 1078003e15a1SGerd Hoffmann unsigned int epid, dma_addr_t pctx, 1079003e15a1SGerd Hoffmann uint32_t *ctx) 1080003e15a1SGerd Hoffmann { 1081003e15a1SGerd Hoffmann XHCISlot *slot; 1082003e15a1SGerd Hoffmann XHCIEPContext *epctx; 1083003e15a1SGerd Hoffmann 1084003e15a1SGerd Hoffmann trace_usb_xhci_ep_enable(slotid, epid); 1085003e15a1SGerd Hoffmann assert(slotid >= 1 && slotid <= xhci->numslots); 1086003e15a1SGerd Hoffmann assert(epid >= 1 && epid <= 31); 1087003e15a1SGerd Hoffmann 1088003e15a1SGerd Hoffmann slot = &xhci->slots[slotid-1]; 1089003e15a1SGerd Hoffmann if (slot->eps[epid-1]) { 1090003e15a1SGerd Hoffmann xhci_disable_ep(xhci, slotid, epid); 1091003e15a1SGerd Hoffmann } 1092003e15a1SGerd Hoffmann 1093003e15a1SGerd Hoffmann epctx = xhci_alloc_epctx(xhci, slotid, epid); 1094003e15a1SGerd Hoffmann slot->eps[epid-1] = epctx; 1095003e15a1SGerd Hoffmann xhci_init_epctx(epctx, pctx, ctx); 1096003e15a1SGerd Hoffmann 10978c244210SGonglei DPRINTF("xhci: endpoint %d.%d type is %d, max transaction (burst) " 10988c244210SGonglei "size is %d\n", epid/2, epid%2, epctx->type, epctx->max_psize); 10998c244210SGonglei 11003d139684SGerd Hoffmann epctx->mfindex_last = 0; 11013d139684SGerd Hoffmann 1102f1ae32a1SGerd Hoffmann epctx->state = EP_RUNNING; 1103f1ae32a1SGerd Hoffmann ctx[0] &= ~EP_STATE_MASK; 1104f1ae32a1SGerd Hoffmann ctx[0] |= EP_RUNNING; 1105f1ae32a1SGerd Hoffmann 1106f1ae32a1SGerd Hoffmann return CC_SUCCESS; 1107f1ae32a1SGerd Hoffmann } 1108f1ae32a1SGerd Hoffmann 110994b037f2SGerd Hoffmann static XHCITransfer *xhci_ep_alloc_xfer(XHCIEPContext *epctx, 111094b037f2SGerd Hoffmann uint32_t length) 111194b037f2SGerd Hoffmann { 111294b037f2SGerd Hoffmann uint32_t limit = epctx->nr_pstreams + 16; 111394b037f2SGerd Hoffmann XHCITransfer *xfer; 111494b037f2SGerd Hoffmann 111594b037f2SGerd Hoffmann if (epctx->xfer_count >= limit) { 111694b037f2SGerd Hoffmann return NULL; 111794b037f2SGerd Hoffmann } 111894b037f2SGerd Hoffmann 111994b037f2SGerd Hoffmann xfer = g_new0(XHCITransfer, 1); 112094b037f2SGerd Hoffmann xfer->epctx = epctx; 112194b037f2SGerd Hoffmann xfer->trbs = g_new(XHCITRB, length); 112294b037f2SGerd Hoffmann xfer->trb_count = length; 112394b037f2SGerd Hoffmann usb_packet_init(&xfer->packet); 112494b037f2SGerd Hoffmann 112594b037f2SGerd Hoffmann QTAILQ_INSERT_TAIL(&epctx->transfers, xfer, next); 112694b037f2SGerd Hoffmann epctx->xfer_count++; 112794b037f2SGerd Hoffmann 112894b037f2SGerd Hoffmann return xfer; 112994b037f2SGerd Hoffmann } 113094b037f2SGerd Hoffmann 113194b037f2SGerd Hoffmann static void xhci_ep_free_xfer(XHCITransfer *xfer) 113294b037f2SGerd Hoffmann { 113394b037f2SGerd Hoffmann QTAILQ_REMOVE(&xfer->epctx->transfers, xfer, next); 113494b037f2SGerd Hoffmann xfer->epctx->xfer_count--; 113594b037f2SGerd Hoffmann 113694b037f2SGerd Hoffmann usb_packet_cleanup(&xfer->packet); 113794b037f2SGerd Hoffmann g_free(xfer->trbs); 113894b037f2SGerd Hoffmann g_free(xfer); 113994b037f2SGerd Hoffmann } 114094b037f2SGerd Hoffmann 1141582d6f4aSHans de Goede static int xhci_ep_nuke_one_xfer(XHCITransfer *t, TRBCCode report) 11423151f209SHans de Goede { 11433151f209SHans de Goede int killed = 0; 11443151f209SHans de Goede 1145582d6f4aSHans de Goede if (report && (t->running_async || t->running_retry)) { 1146582d6f4aSHans de Goede t->status = report; 1147582d6f4aSHans de Goede xhci_xfer_report(t); 1148582d6f4aSHans de Goede } 1149582d6f4aSHans de Goede 11503151f209SHans de Goede if (t->running_async) { 11513151f209SHans de Goede usb_cancel_packet(&t->packet); 11523151f209SHans de Goede t->running_async = 0; 11533151f209SHans de Goede killed = 1; 11543151f209SHans de Goede } 11553151f209SHans de Goede if (t->running_retry) { 11565612564eSGerd Hoffmann if (t->epctx) { 11575612564eSGerd Hoffmann t->epctx->retry = NULL; 11585612564eSGerd Hoffmann timer_del(t->epctx->kick_timer); 11593151f209SHans de Goede } 11603151f209SHans de Goede t->running_retry = 0; 1161582d6f4aSHans de Goede killed = 1; 11623151f209SHans de Goede } 11633151f209SHans de Goede g_free(t->trbs); 11643151f209SHans de Goede 11653151f209SHans de Goede t->trbs = NULL; 116694b037f2SGerd Hoffmann t->trb_count = 0; 11673151f209SHans de Goede 11683151f209SHans de Goede return killed; 11693151f209SHans de Goede } 11703151f209SHans de Goede 1171f1ae32a1SGerd Hoffmann static int xhci_ep_nuke_xfers(XHCIState *xhci, unsigned int slotid, 1172582d6f4aSHans de Goede unsigned int epid, TRBCCode report) 1173f1ae32a1SGerd Hoffmann { 1174f1ae32a1SGerd Hoffmann XHCISlot *slot; 1175f1ae32a1SGerd Hoffmann XHCIEPContext *epctx; 117694b037f2SGerd Hoffmann XHCITransfer *xfer; 117794b037f2SGerd Hoffmann int killed = 0; 1178f79738b0SHans de Goede USBEndpoint *ep = NULL; 117991062ae0SGerd Hoffmann assert(slotid >= 1 && slotid <= xhci->numslots); 1180f1ae32a1SGerd Hoffmann assert(epid >= 1 && epid <= 31); 1181f1ae32a1SGerd Hoffmann 1182f1ae32a1SGerd Hoffmann DPRINTF("xhci_ep_nuke_xfers(%d, %d)\n", slotid, epid); 1183f1ae32a1SGerd Hoffmann 1184f1ae32a1SGerd Hoffmann slot = &xhci->slots[slotid-1]; 1185f1ae32a1SGerd Hoffmann 1186f1ae32a1SGerd Hoffmann if (!slot->eps[epid-1]) { 1187f1ae32a1SGerd Hoffmann return 0; 1188f1ae32a1SGerd Hoffmann } 1189f1ae32a1SGerd Hoffmann 1190f1ae32a1SGerd Hoffmann epctx = slot->eps[epid-1]; 1191f1ae32a1SGerd Hoffmann 119294b037f2SGerd Hoffmann for (;;) { 119394b037f2SGerd Hoffmann xfer = QTAILQ_FIRST(&epctx->transfers); 119494b037f2SGerd Hoffmann if (xfer == NULL) { 119594b037f2SGerd Hoffmann break; 119694b037f2SGerd Hoffmann } 119794b037f2SGerd Hoffmann killed += xhci_ep_nuke_one_xfer(xfer, report); 1198582d6f4aSHans de Goede if (killed) { 1199582d6f4aSHans de Goede report = 0; /* Only report once */ 1200582d6f4aSHans de Goede } 120194b037f2SGerd Hoffmann xhci_ep_free_xfer(xfer); 1202f1ae32a1SGerd Hoffmann } 1203518ad5f2SHans de Goede 1204070eeef9SGerd Hoffmann ep = xhci_epid_to_usbep(epctx); 1205f79738b0SHans de Goede if (ep) { 1206f79738b0SHans de Goede usb_device_ep_stopped(ep->dev, ep); 1207f79738b0SHans de Goede } 1208f1ae32a1SGerd Hoffmann return killed; 1209f1ae32a1SGerd Hoffmann } 1210f1ae32a1SGerd Hoffmann 1211f1ae32a1SGerd Hoffmann static TRBCCode xhci_disable_ep(XHCIState *xhci, unsigned int slotid, 1212f1ae32a1SGerd Hoffmann unsigned int epid) 1213f1ae32a1SGerd Hoffmann { 1214f1ae32a1SGerd Hoffmann XHCISlot *slot; 1215f1ae32a1SGerd Hoffmann XHCIEPContext *epctx; 1216f1ae32a1SGerd Hoffmann 1217c1f6b493SGerd Hoffmann trace_usb_xhci_ep_disable(slotid, epid); 121891062ae0SGerd Hoffmann assert(slotid >= 1 && slotid <= xhci->numslots); 1219f1ae32a1SGerd Hoffmann assert(epid >= 1 && epid <= 31); 1220f1ae32a1SGerd Hoffmann 1221f1ae32a1SGerd Hoffmann slot = &xhci->slots[slotid-1]; 1222f1ae32a1SGerd Hoffmann 1223f1ae32a1SGerd Hoffmann if (!slot->eps[epid-1]) { 1224f1ae32a1SGerd Hoffmann DPRINTF("xhci: slot %d ep %d already disabled\n", slotid, epid); 1225f1ae32a1SGerd Hoffmann return CC_SUCCESS; 1226f1ae32a1SGerd Hoffmann } 1227f1ae32a1SGerd Hoffmann 1228582d6f4aSHans de Goede xhci_ep_nuke_xfers(xhci, slotid, epid, 0); 1229f1ae32a1SGerd Hoffmann 1230f1ae32a1SGerd Hoffmann epctx = slot->eps[epid-1]; 1231f1ae32a1SGerd Hoffmann 1232024426acSGerd Hoffmann if (epctx->nr_pstreams) { 1233024426acSGerd Hoffmann xhci_free_streams(epctx); 1234024426acSGerd Hoffmann } 1235024426acSGerd Hoffmann 1236491d68d9SRoman Kagan /* only touch guest RAM if we're not resetting the HC */ 1237491d68d9SRoman Kagan if (xhci->dcbaap_low || xhci->dcbaap_high) { 1238024426acSGerd Hoffmann xhci_set_ep_state(xhci, epctx, NULL, EP_DISABLED); 1239491d68d9SRoman Kagan } 1240f1ae32a1SGerd Hoffmann 1241bc72ad67SAlex Bligh timer_free(epctx->kick_timer); 1242f1ae32a1SGerd Hoffmann g_free(epctx); 1243f1ae32a1SGerd Hoffmann slot->eps[epid-1] = NULL; 1244f1ae32a1SGerd Hoffmann 1245f1ae32a1SGerd Hoffmann return CC_SUCCESS; 1246f1ae32a1SGerd Hoffmann } 1247f1ae32a1SGerd Hoffmann 1248f1ae32a1SGerd Hoffmann static TRBCCode xhci_stop_ep(XHCIState *xhci, unsigned int slotid, 1249f1ae32a1SGerd Hoffmann unsigned int epid) 1250f1ae32a1SGerd Hoffmann { 1251f1ae32a1SGerd Hoffmann XHCISlot *slot; 1252f1ae32a1SGerd Hoffmann XHCIEPContext *epctx; 1253f1ae32a1SGerd Hoffmann 1254c1f6b493SGerd Hoffmann trace_usb_xhci_ep_stop(slotid, epid); 125591062ae0SGerd Hoffmann assert(slotid >= 1 && slotid <= xhci->numslots); 1256f1ae32a1SGerd Hoffmann 1257f1ae32a1SGerd Hoffmann if (epid < 1 || epid > 31) { 1258d6bb65fcSGerd Hoffmann DPRINTF("xhci: bad ep %d\n", epid); 1259f1ae32a1SGerd Hoffmann return CC_TRB_ERROR; 1260f1ae32a1SGerd Hoffmann } 1261f1ae32a1SGerd Hoffmann 1262f1ae32a1SGerd Hoffmann slot = &xhci->slots[slotid-1]; 1263f1ae32a1SGerd Hoffmann 1264f1ae32a1SGerd Hoffmann if (!slot->eps[epid-1]) { 1265f1ae32a1SGerd Hoffmann DPRINTF("xhci: slot %d ep %d not enabled\n", slotid, epid); 1266f1ae32a1SGerd Hoffmann return CC_EP_NOT_ENABLED_ERROR; 1267f1ae32a1SGerd Hoffmann } 1268f1ae32a1SGerd Hoffmann 1269582d6f4aSHans de Goede if (xhci_ep_nuke_xfers(xhci, slotid, epid, CC_STOPPED) > 0) { 1270d6bb65fcSGerd Hoffmann DPRINTF("xhci: FIXME: endpoint stopped w/ xfers running, " 1271f1ae32a1SGerd Hoffmann "data might be lost\n"); 1272f1ae32a1SGerd Hoffmann } 1273f1ae32a1SGerd Hoffmann 1274f1ae32a1SGerd Hoffmann epctx = slot->eps[epid-1]; 1275f1ae32a1SGerd Hoffmann 1276024426acSGerd Hoffmann xhci_set_ep_state(xhci, epctx, NULL, EP_STOPPED); 1277024426acSGerd Hoffmann 1278024426acSGerd Hoffmann if (epctx->nr_pstreams) { 1279024426acSGerd Hoffmann xhci_reset_streams(epctx); 1280024426acSGerd Hoffmann } 1281f1ae32a1SGerd Hoffmann 1282f1ae32a1SGerd Hoffmann return CC_SUCCESS; 1283f1ae32a1SGerd Hoffmann } 1284f1ae32a1SGerd Hoffmann 1285f1ae32a1SGerd Hoffmann static TRBCCode xhci_reset_ep(XHCIState *xhci, unsigned int slotid, 1286f1ae32a1SGerd Hoffmann unsigned int epid) 1287f1ae32a1SGerd Hoffmann { 1288f1ae32a1SGerd Hoffmann XHCISlot *slot; 1289f1ae32a1SGerd Hoffmann XHCIEPContext *epctx; 1290f1ae32a1SGerd Hoffmann 1291c1f6b493SGerd Hoffmann trace_usb_xhci_ep_reset(slotid, epid); 129291062ae0SGerd Hoffmann assert(slotid >= 1 && slotid <= xhci->numslots); 1293f1ae32a1SGerd Hoffmann 1294f1ae32a1SGerd Hoffmann if (epid < 1 || epid > 31) { 1295d6bb65fcSGerd Hoffmann DPRINTF("xhci: bad ep %d\n", epid); 1296f1ae32a1SGerd Hoffmann return CC_TRB_ERROR; 1297f1ae32a1SGerd Hoffmann } 1298f1ae32a1SGerd Hoffmann 1299f1ae32a1SGerd Hoffmann slot = &xhci->slots[slotid-1]; 1300f1ae32a1SGerd Hoffmann 1301f1ae32a1SGerd Hoffmann if (!slot->eps[epid-1]) { 1302f1ae32a1SGerd Hoffmann DPRINTF("xhci: slot %d ep %d not enabled\n", slotid, epid); 1303f1ae32a1SGerd Hoffmann return CC_EP_NOT_ENABLED_ERROR; 1304f1ae32a1SGerd Hoffmann } 1305f1ae32a1SGerd Hoffmann 1306f1ae32a1SGerd Hoffmann epctx = slot->eps[epid-1]; 1307f1ae32a1SGerd Hoffmann 1308f1ae32a1SGerd Hoffmann if (epctx->state != EP_HALTED) { 1309d6bb65fcSGerd Hoffmann DPRINTF("xhci: reset EP while EP %d not halted (%d)\n", 1310f1ae32a1SGerd Hoffmann epid, epctx->state); 1311f1ae32a1SGerd Hoffmann return CC_CONTEXT_STATE_ERROR; 1312f1ae32a1SGerd Hoffmann } 1313f1ae32a1SGerd Hoffmann 1314582d6f4aSHans de Goede if (xhci_ep_nuke_xfers(xhci, slotid, epid, 0) > 0) { 1315d6bb65fcSGerd Hoffmann DPRINTF("xhci: FIXME: endpoint reset w/ xfers running, " 1316f1ae32a1SGerd Hoffmann "data might be lost\n"); 1317f1ae32a1SGerd Hoffmann } 1318f1ae32a1SGerd Hoffmann 131975cc1c1fSGerd Hoffmann if (!xhci->slots[slotid-1].uport || 1320de9de157SHans de Goede !xhci->slots[slotid-1].uport->dev || 1321de9de157SHans de Goede !xhci->slots[slotid-1].uport->dev->attached) { 1322f1ae32a1SGerd Hoffmann return CC_USB_TRANSACTION_ERROR; 1323f1ae32a1SGerd Hoffmann } 1324f1ae32a1SGerd Hoffmann 1325024426acSGerd Hoffmann xhci_set_ep_state(xhci, epctx, NULL, EP_STOPPED); 1326024426acSGerd Hoffmann 1327024426acSGerd Hoffmann if (epctx->nr_pstreams) { 1328024426acSGerd Hoffmann xhci_reset_streams(epctx); 1329024426acSGerd Hoffmann } 1330f1ae32a1SGerd Hoffmann 1331f1ae32a1SGerd Hoffmann return CC_SUCCESS; 1332f1ae32a1SGerd Hoffmann } 1333f1ae32a1SGerd Hoffmann 1334f1ae32a1SGerd Hoffmann static TRBCCode xhci_set_ep_dequeue(XHCIState *xhci, unsigned int slotid, 1335024426acSGerd Hoffmann unsigned int epid, unsigned int streamid, 1336024426acSGerd Hoffmann uint64_t pdequeue) 1337f1ae32a1SGerd Hoffmann { 1338f1ae32a1SGerd Hoffmann XHCISlot *slot; 1339f1ae32a1SGerd Hoffmann XHCIEPContext *epctx; 1340024426acSGerd Hoffmann XHCIStreamContext *sctx; 134159a70ccdSDavid Gibson dma_addr_t dequeue; 1342f1ae32a1SGerd Hoffmann 134391062ae0SGerd Hoffmann assert(slotid >= 1 && slotid <= xhci->numslots); 1344f1ae32a1SGerd Hoffmann 1345f1ae32a1SGerd Hoffmann if (epid < 1 || epid > 31) { 1346d6bb65fcSGerd Hoffmann DPRINTF("xhci: bad ep %d\n", epid); 1347f1ae32a1SGerd Hoffmann return CC_TRB_ERROR; 1348f1ae32a1SGerd Hoffmann } 1349f1ae32a1SGerd Hoffmann 1350024426acSGerd Hoffmann trace_usb_xhci_ep_set_dequeue(slotid, epid, streamid, pdequeue); 1351f1ae32a1SGerd Hoffmann dequeue = xhci_mask64(pdequeue); 1352f1ae32a1SGerd Hoffmann 1353f1ae32a1SGerd Hoffmann slot = &xhci->slots[slotid-1]; 1354f1ae32a1SGerd Hoffmann 1355f1ae32a1SGerd Hoffmann if (!slot->eps[epid-1]) { 1356f1ae32a1SGerd Hoffmann DPRINTF("xhci: slot %d ep %d not enabled\n", slotid, epid); 1357f1ae32a1SGerd Hoffmann return CC_EP_NOT_ENABLED_ERROR; 1358f1ae32a1SGerd Hoffmann } 1359f1ae32a1SGerd Hoffmann 1360f1ae32a1SGerd Hoffmann epctx = slot->eps[epid-1]; 1361f1ae32a1SGerd Hoffmann 1362f1ae32a1SGerd Hoffmann if (epctx->state != EP_STOPPED) { 1363d6bb65fcSGerd Hoffmann DPRINTF("xhci: set EP dequeue pointer while EP %d not stopped\n", epid); 1364f1ae32a1SGerd Hoffmann return CC_CONTEXT_STATE_ERROR; 1365f1ae32a1SGerd Hoffmann } 1366f1ae32a1SGerd Hoffmann 1367024426acSGerd Hoffmann if (epctx->nr_pstreams) { 1368024426acSGerd Hoffmann uint32_t err; 1369024426acSGerd Hoffmann sctx = xhci_find_stream(epctx, streamid, &err); 1370024426acSGerd Hoffmann if (sctx == NULL) { 1371024426acSGerd Hoffmann return err; 1372024426acSGerd Hoffmann } 1373024426acSGerd Hoffmann xhci_ring_init(xhci, &sctx->ring, dequeue & ~0xf); 1374024426acSGerd Hoffmann sctx->ring.ccs = dequeue & 1; 1375024426acSGerd Hoffmann } else { 1376024426acSGerd Hoffmann sctx = NULL; 1377f1ae32a1SGerd Hoffmann xhci_ring_init(xhci, &epctx->ring, dequeue & ~0xF); 1378f1ae32a1SGerd Hoffmann epctx->ring.ccs = dequeue & 1; 1379024426acSGerd Hoffmann } 1380f1ae32a1SGerd Hoffmann 1381024426acSGerd Hoffmann xhci_set_ep_state(xhci, epctx, sctx, EP_STOPPED); 1382f1ae32a1SGerd Hoffmann 1383f1ae32a1SGerd Hoffmann return CC_SUCCESS; 1384f1ae32a1SGerd Hoffmann } 1385f1ae32a1SGerd Hoffmann 1386a6fb2ddbSHans de Goede static int xhci_xfer_create_sgl(XHCITransfer *xfer, int in_xfer) 1387f1ae32a1SGerd Hoffmann { 13885612564eSGerd Hoffmann XHCIState *xhci = xfer->epctx->xhci; 1389d5a15814SGerd Hoffmann int i; 1390f1ae32a1SGerd Hoffmann 1391a6fb2ddbSHans de Goede xfer->int_req = false; 1392a5317074SSai Pavan Boddu qemu_sglist_init(&xfer->sgl, DEVICE(xhci), xfer->trb_count, xhci->as); 1393f1ae32a1SGerd Hoffmann for (i = 0; i < xfer->trb_count; i++) { 1394f1ae32a1SGerd Hoffmann XHCITRB *trb = &xfer->trbs[i]; 139559a70ccdSDavid Gibson dma_addr_t addr; 1396f1ae32a1SGerd Hoffmann unsigned int chunk = 0; 1397f1ae32a1SGerd Hoffmann 1398a6fb2ddbSHans de Goede if (trb->control & TRB_TR_IOC) { 1399a6fb2ddbSHans de Goede xfer->int_req = true; 1400a6fb2ddbSHans de Goede } 1401a6fb2ddbSHans de Goede 1402f1ae32a1SGerd Hoffmann switch (TRB_TYPE(*trb)) { 1403f1ae32a1SGerd Hoffmann case TR_DATA: 1404f1ae32a1SGerd Hoffmann if ((!(trb->control & TRB_TR_DIR)) != (!in_xfer)) { 1405d6bb65fcSGerd Hoffmann DPRINTF("xhci: data direction mismatch for TR_DATA\n"); 1406d5a15814SGerd Hoffmann goto err; 1407f1ae32a1SGerd Hoffmann } 1408f1ae32a1SGerd Hoffmann /* fallthrough */ 1409f1ae32a1SGerd Hoffmann case TR_NORMAL: 1410f1ae32a1SGerd Hoffmann case TR_ISOCH: 1411f1ae32a1SGerd Hoffmann addr = xhci_mask64(trb->parameter); 1412f1ae32a1SGerd Hoffmann chunk = trb->status & 0x1ffff; 1413f1ae32a1SGerd Hoffmann if (trb->control & TRB_TR_IDT) { 1414f1ae32a1SGerd Hoffmann if (chunk > 8 || in_xfer) { 1415d6bb65fcSGerd Hoffmann DPRINTF("xhci: invalid immediate data TRB\n"); 1416d5a15814SGerd Hoffmann goto err; 1417d5a15814SGerd Hoffmann } 1418d5a15814SGerd Hoffmann qemu_sglist_add(&xfer->sgl, trb->addr, chunk); 1419d5a15814SGerd Hoffmann } else { 1420d5a15814SGerd Hoffmann qemu_sglist_add(&xfer->sgl, addr, chunk); 1421d5a15814SGerd Hoffmann } 1422d5a15814SGerd Hoffmann break; 1423d5a15814SGerd Hoffmann } 1424d5a15814SGerd Hoffmann } 1425d5a15814SGerd Hoffmann 1426d5a15814SGerd Hoffmann return 0; 1427d5a15814SGerd Hoffmann 1428d5a15814SGerd Hoffmann err: 1429d5a15814SGerd Hoffmann qemu_sglist_destroy(&xfer->sgl); 1430f1ae32a1SGerd Hoffmann xhci_die(xhci); 1431d5a15814SGerd Hoffmann return -1; 1432f1ae32a1SGerd Hoffmann } 1433d5a15814SGerd Hoffmann 1434d5a15814SGerd Hoffmann static void xhci_xfer_unmap(XHCITransfer *xfer) 1435d5a15814SGerd Hoffmann { 1436d5a15814SGerd Hoffmann usb_packet_unmap(&xfer->packet, &xfer->sgl); 1437d5a15814SGerd Hoffmann qemu_sglist_destroy(&xfer->sgl); 1438f1ae32a1SGerd Hoffmann } 1439d5a15814SGerd Hoffmann 1440d5a15814SGerd Hoffmann static void xhci_xfer_report(XHCITransfer *xfer) 1441d5a15814SGerd Hoffmann { 1442d5a15814SGerd Hoffmann uint32_t edtla = 0; 1443d5a15814SGerd Hoffmann unsigned int left; 1444d5a15814SGerd Hoffmann bool reported = 0; 1445d5a15814SGerd Hoffmann bool shortpkt = 0; 1446d5a15814SGerd Hoffmann XHCIEvent event = {ER_TRANSFER, CC_SUCCESS}; 14475612564eSGerd Hoffmann XHCIState *xhci = xfer->epctx->xhci; 1448f1ae32a1SGerd Hoffmann int i; 1449d5a15814SGerd Hoffmann 14509b8251c5SHans de Goede left = xfer->packet.actual_length; 1451d5a15814SGerd Hoffmann 1452d5a15814SGerd Hoffmann for (i = 0; i < xfer->trb_count; i++) { 1453d5a15814SGerd Hoffmann XHCITRB *trb = &xfer->trbs[i]; 1454d5a15814SGerd Hoffmann unsigned int chunk = 0; 1455d5a15814SGerd Hoffmann 1456d5a15814SGerd Hoffmann switch (TRB_TYPE(*trb)) { 1457b66ad1f1SHans Petter Selasky case TR_SETUP: 1458b66ad1f1SHans Petter Selasky chunk = trb->status & 0x1ffff; 1459b66ad1f1SHans Petter Selasky if (chunk > 8) { 1460b66ad1f1SHans Petter Selasky chunk = 8; 1461b66ad1f1SHans Petter Selasky } 1462b66ad1f1SHans Petter Selasky break; 1463d5a15814SGerd Hoffmann case TR_DATA: 1464d5a15814SGerd Hoffmann case TR_NORMAL: 1465d5a15814SGerd Hoffmann case TR_ISOCH: 1466d5a15814SGerd Hoffmann chunk = trb->status & 0x1ffff; 1467d5a15814SGerd Hoffmann if (chunk > left) { 1468d5a15814SGerd Hoffmann chunk = left; 1469d5a15814SGerd Hoffmann if (xfer->status == CC_SUCCESS) { 1470d5a15814SGerd Hoffmann shortpkt = 1; 1471f1ae32a1SGerd Hoffmann } 1472f1ae32a1SGerd Hoffmann } 1473f1ae32a1SGerd Hoffmann left -= chunk; 1474f1ae32a1SGerd Hoffmann edtla += chunk; 1475f1ae32a1SGerd Hoffmann break; 1476f1ae32a1SGerd Hoffmann case TR_STATUS: 1477f1ae32a1SGerd Hoffmann reported = 0; 1478f1ae32a1SGerd Hoffmann shortpkt = 0; 1479f1ae32a1SGerd Hoffmann break; 1480f1ae32a1SGerd Hoffmann } 1481f1ae32a1SGerd Hoffmann 148288dbed3fSGerd Hoffmann if (!reported && ((trb->control & TRB_TR_IOC) || 148388dbed3fSGerd Hoffmann (shortpkt && (trb->control & TRB_TR_ISP)) || 148488dbed3fSGerd Hoffmann (xfer->status != CC_SUCCESS && left == 0))) { 1485d6fcb293SGerd Hoffmann event.slotid = xfer->epctx->slotid; 1486d6fcb293SGerd Hoffmann event.epid = xfer->epctx->epid; 1487f1ae32a1SGerd Hoffmann event.length = (trb->status & 0x1ffff) - chunk; 1488f1ae32a1SGerd Hoffmann event.flags = 0; 1489f1ae32a1SGerd Hoffmann event.ptr = trb->addr; 1490f1ae32a1SGerd Hoffmann if (xfer->status == CC_SUCCESS) { 1491f1ae32a1SGerd Hoffmann event.ccode = shortpkt ? CC_SHORT_PACKET : CC_SUCCESS; 1492f1ae32a1SGerd Hoffmann } else { 1493f1ae32a1SGerd Hoffmann event.ccode = xfer->status; 1494f1ae32a1SGerd Hoffmann } 1495f1ae32a1SGerd Hoffmann if (TRB_TYPE(*trb) == TR_EVDATA) { 1496f1ae32a1SGerd Hoffmann event.ptr = trb->parameter; 1497f1ae32a1SGerd Hoffmann event.flags |= TRB_EV_ED; 1498f1ae32a1SGerd Hoffmann event.length = edtla & 0xffffff; 1499f1ae32a1SGerd Hoffmann DPRINTF("xhci_xfer_data: EDTLA=%d\n", event.length); 1500f1ae32a1SGerd Hoffmann edtla = 0; 1501f1ae32a1SGerd Hoffmann } 15022d1de850SGerd Hoffmann xhci_event(xhci, &event, TRB_INTR(*trb)); 1503f1ae32a1SGerd Hoffmann reported = 1; 1504d5a15814SGerd Hoffmann if (xfer->status != CC_SUCCESS) { 1505d5a15814SGerd Hoffmann return; 1506f1ae32a1SGerd Hoffmann } 1507f1ae32a1SGerd Hoffmann } 1508df0f1692SGerd Hoffmann 1509df0f1692SGerd Hoffmann switch (TRB_TYPE(*trb)) { 1510df0f1692SGerd Hoffmann case TR_SETUP: 1511df0f1692SGerd Hoffmann reported = 0; 1512df0f1692SGerd Hoffmann shortpkt = 0; 1513df0f1692SGerd Hoffmann break; 1514df0f1692SGerd Hoffmann } 1515df0f1692SGerd Hoffmann 1516d5a15814SGerd Hoffmann } 1517f1ae32a1SGerd Hoffmann } 1518f1ae32a1SGerd Hoffmann 1519f1ae32a1SGerd Hoffmann static void xhci_stall_ep(XHCITransfer *xfer) 1520f1ae32a1SGerd Hoffmann { 15215612564eSGerd Hoffmann XHCIEPContext *epctx = xfer->epctx; 15225612564eSGerd Hoffmann XHCIState *xhci = epctx->xhci; 1523024426acSGerd Hoffmann uint32_t err; 1524024426acSGerd Hoffmann XHCIStreamContext *sctx; 1525f1ae32a1SGerd Hoffmann 1526a587c832SYuri Benditovich if (epctx->type == ET_ISO_IN || epctx->type == ET_ISO_OUT) { 1527a587c832SYuri Benditovich /* never halt isoch endpoints, 4.10.2 */ 1528a587c832SYuri Benditovich return; 1529a587c832SYuri Benditovich } 1530a587c832SYuri Benditovich 1531024426acSGerd Hoffmann if (epctx->nr_pstreams) { 1532024426acSGerd Hoffmann sctx = xhci_find_stream(epctx, xfer->streamid, &err); 1533024426acSGerd Hoffmann if (sctx == NULL) { 1534024426acSGerd Hoffmann return; 1535024426acSGerd Hoffmann } 1536024426acSGerd Hoffmann sctx->ring.dequeue = xfer->trbs[0].addr; 1537024426acSGerd Hoffmann sctx->ring.ccs = xfer->trbs[0].ccs; 1538024426acSGerd Hoffmann xhci_set_ep_state(xhci, epctx, sctx, EP_HALTED); 1539024426acSGerd Hoffmann } else { 1540f1ae32a1SGerd Hoffmann epctx->ring.dequeue = xfer->trbs[0].addr; 1541f1ae32a1SGerd Hoffmann epctx->ring.ccs = xfer->trbs[0].ccs; 1542024426acSGerd Hoffmann xhci_set_ep_state(xhci, epctx, NULL, EP_HALTED); 1543024426acSGerd Hoffmann } 1544f1ae32a1SGerd Hoffmann } 1545f1ae32a1SGerd Hoffmann 15465c08106fSGerd Hoffmann static int xhci_setup_packet(XHCITransfer *xfer) 15475c08106fSGerd Hoffmann { 1548f1ae32a1SGerd Hoffmann USBEndpoint *ep; 1549f1ae32a1SGerd Hoffmann int dir; 1550f1ae32a1SGerd Hoffmann 1551f1ae32a1SGerd Hoffmann dir = xfer->in_xfer ? USB_TOKEN_IN : USB_TOKEN_OUT; 15525c08106fSGerd Hoffmann 15535c08106fSGerd Hoffmann if (xfer->packet.ep) { 15545c08106fSGerd Hoffmann ep = xfer->packet.ep; 15555c08106fSGerd Hoffmann } else { 1556070eeef9SGerd Hoffmann ep = xhci_epid_to_usbep(xfer->epctx); 1557518ad5f2SHans de Goede if (!ep) { 1558d6bb65fcSGerd Hoffmann DPRINTF("xhci: slot %d has no device\n", 1559ee56264aSLadi Prosek xfer->epctx->slotid); 15605c08106fSGerd Hoffmann return -1; 15615c08106fSGerd Hoffmann } 15625c08106fSGerd Hoffmann } 15635c08106fSGerd Hoffmann 1564a6fb2ddbSHans de Goede xhci_xfer_create_sgl(xfer, dir == USB_TOKEN_IN); /* Also sets int_req */ 1565024426acSGerd Hoffmann usb_packet_setup(&xfer->packet, dir, ep, xfer->streamid, 15668550a02dSGerd Hoffmann xfer->trbs[0].addr, false, xfer->int_req); 156721bc3152SLi Qiang if (usb_packet_map(&xfer->packet, &xfer->sgl)) { 156821bc3152SLi Qiang qemu_sglist_destroy(&xfer->sgl); 156921bc3152SLi Qiang return -1; 157021bc3152SLi Qiang } 1571f1ae32a1SGerd Hoffmann DPRINTF("xhci: setup packet pid 0x%x addr %d ep %d\n", 1572518ad5f2SHans de Goede xfer->packet.pid, ep->dev->addr, ep->nr); 1573f1ae32a1SGerd Hoffmann return 0; 1574f1ae32a1SGerd Hoffmann } 1575f1ae32a1SGerd Hoffmann 157613e8ff7aSGerd Hoffmann static int xhci_try_complete_packet(XHCITransfer *xfer) 1577f1ae32a1SGerd Hoffmann { 15789a77a0f5SHans de Goede if (xfer->packet.status == USB_RET_ASYNC) { 157997df650bSGerd Hoffmann trace_usb_xhci_xfer_async(xfer); 1580f1ae32a1SGerd Hoffmann xfer->running_async = 1; 1581f1ae32a1SGerd Hoffmann xfer->running_retry = 0; 1582f1ae32a1SGerd Hoffmann xfer->complete = 0; 1583f1ae32a1SGerd Hoffmann return 0; 15849a77a0f5SHans de Goede } else if (xfer->packet.status == USB_RET_NAK) { 158597df650bSGerd Hoffmann trace_usb_xhci_xfer_nak(xfer); 1586f1ae32a1SGerd Hoffmann xfer->running_async = 0; 1587f1ae32a1SGerd Hoffmann xfer->running_retry = 1; 1588f1ae32a1SGerd Hoffmann xfer->complete = 0; 1589f1ae32a1SGerd Hoffmann return 0; 1590f1ae32a1SGerd Hoffmann } else { 1591f1ae32a1SGerd Hoffmann xfer->running_async = 0; 1592f1ae32a1SGerd Hoffmann xfer->running_retry = 0; 1593f1ae32a1SGerd Hoffmann xfer->complete = 1; 1594d5a15814SGerd Hoffmann xhci_xfer_unmap(xfer); 1595f1ae32a1SGerd Hoffmann } 1596f1ae32a1SGerd Hoffmann 15979a77a0f5SHans de Goede if (xfer->packet.status == USB_RET_SUCCESS) { 15989a77a0f5SHans de Goede trace_usb_xhci_xfer_success(xfer, xfer->packet.actual_length); 1599d5a15814SGerd Hoffmann xfer->status = CC_SUCCESS; 1600d5a15814SGerd Hoffmann xhci_xfer_report(xfer); 1601f1ae32a1SGerd Hoffmann return 0; 1602f1ae32a1SGerd Hoffmann } 1603f1ae32a1SGerd Hoffmann 1604f1ae32a1SGerd Hoffmann /* error */ 16059a77a0f5SHans de Goede trace_usb_xhci_xfer_error(xfer, xfer->packet.status); 16069a77a0f5SHans de Goede switch (xfer->packet.status) { 1607f1ae32a1SGerd Hoffmann case USB_RET_NODEV: 1608ed60ff02SGerd Hoffmann case USB_RET_IOERROR: 1609f1ae32a1SGerd Hoffmann xfer->status = CC_USB_TRANSACTION_ERROR; 1610d5a15814SGerd Hoffmann xhci_xfer_report(xfer); 1611f1ae32a1SGerd Hoffmann xhci_stall_ep(xfer); 1612f1ae32a1SGerd Hoffmann break; 1613f1ae32a1SGerd Hoffmann case USB_RET_STALL: 1614f1ae32a1SGerd Hoffmann xfer->status = CC_STALL_ERROR; 1615d5a15814SGerd Hoffmann xhci_xfer_report(xfer); 1616f1ae32a1SGerd Hoffmann xhci_stall_ep(xfer); 1617f1ae32a1SGerd Hoffmann break; 16184e906d56SGerd Hoffmann case USB_RET_BABBLE: 16194e906d56SGerd Hoffmann xfer->status = CC_BABBLE_DETECTED; 16204e906d56SGerd Hoffmann xhci_xfer_report(xfer); 16214e906d56SGerd Hoffmann xhci_stall_ep(xfer); 16224e906d56SGerd Hoffmann break; 1623f1ae32a1SGerd Hoffmann default: 1624d6bb65fcSGerd Hoffmann DPRINTF("%s: FIXME: status = %d\n", __func__, 16259a77a0f5SHans de Goede xfer->packet.status); 1626024426acSGerd Hoffmann FIXME("unhandled USB_RET_*"); 1627f1ae32a1SGerd Hoffmann } 1628f1ae32a1SGerd Hoffmann return 0; 1629f1ae32a1SGerd Hoffmann } 1630f1ae32a1SGerd Hoffmann 1631f1ae32a1SGerd Hoffmann static int xhci_fire_ctl_transfer(XHCIState *xhci, XHCITransfer *xfer) 1632f1ae32a1SGerd Hoffmann { 1633f1ae32a1SGerd Hoffmann XHCITRB *trb_setup, *trb_status; 1634f1ae32a1SGerd Hoffmann uint8_t bmRequestType; 1635f1ae32a1SGerd Hoffmann 1636f1ae32a1SGerd Hoffmann trb_setup = &xfer->trbs[0]; 1637f1ae32a1SGerd Hoffmann trb_status = &xfer->trbs[xfer->trb_count-1]; 1638f1ae32a1SGerd Hoffmann 1639d6fcb293SGerd Hoffmann trace_usb_xhci_xfer_start(xfer, xfer->epctx->slotid, 1640d6fcb293SGerd Hoffmann xfer->epctx->epid, xfer->streamid); 164197df650bSGerd Hoffmann 1642f1ae32a1SGerd Hoffmann /* at most one Event Data TRB allowed after STATUS */ 1643f1ae32a1SGerd Hoffmann if (TRB_TYPE(*trb_status) == TR_EVDATA && xfer->trb_count > 2) { 1644f1ae32a1SGerd Hoffmann trb_status--; 1645f1ae32a1SGerd Hoffmann } 1646f1ae32a1SGerd Hoffmann 1647f1ae32a1SGerd Hoffmann /* do some sanity checks */ 1648f1ae32a1SGerd Hoffmann if (TRB_TYPE(*trb_setup) != TR_SETUP) { 1649d6bb65fcSGerd Hoffmann DPRINTF("xhci: ep0 first TD not SETUP: %d\n", 1650f1ae32a1SGerd Hoffmann TRB_TYPE(*trb_setup)); 1651f1ae32a1SGerd Hoffmann return -1; 1652f1ae32a1SGerd Hoffmann } 1653f1ae32a1SGerd Hoffmann if (TRB_TYPE(*trb_status) != TR_STATUS) { 1654d6bb65fcSGerd Hoffmann DPRINTF("xhci: ep0 last TD not STATUS: %d\n", 1655f1ae32a1SGerd Hoffmann TRB_TYPE(*trb_status)); 1656f1ae32a1SGerd Hoffmann return -1; 1657f1ae32a1SGerd Hoffmann } 1658f1ae32a1SGerd Hoffmann if (!(trb_setup->control & TRB_TR_IDT)) { 1659d6bb65fcSGerd Hoffmann DPRINTF("xhci: Setup TRB doesn't have IDT set\n"); 1660f1ae32a1SGerd Hoffmann return -1; 1661f1ae32a1SGerd Hoffmann } 1662f1ae32a1SGerd Hoffmann if ((trb_setup->status & 0x1ffff) != 8) { 1663d6bb65fcSGerd Hoffmann DPRINTF("xhci: Setup TRB has bad length (%d)\n", 1664f1ae32a1SGerd Hoffmann (trb_setup->status & 0x1ffff)); 1665f1ae32a1SGerd Hoffmann return -1; 1666f1ae32a1SGerd Hoffmann } 1667f1ae32a1SGerd Hoffmann 1668f1ae32a1SGerd Hoffmann bmRequestType = trb_setup->parameter; 1669f1ae32a1SGerd Hoffmann 1670f1ae32a1SGerd Hoffmann xfer->in_xfer = bmRequestType & USB_DIR_IN; 1671f1ae32a1SGerd Hoffmann xfer->iso_xfer = false; 16724d7a81c0SGerd Hoffmann xfer->timed_xfer = false; 1673f1ae32a1SGerd Hoffmann 16745c08106fSGerd Hoffmann if (xhci_setup_packet(xfer) < 0) { 16755c08106fSGerd Hoffmann return -1; 16765c08106fSGerd Hoffmann } 1677f1ae32a1SGerd Hoffmann xfer->packet.parameter = trb_setup->parameter; 1678f1ae32a1SGerd Hoffmann 16799a77a0f5SHans de Goede usb_handle_packet(xfer->packet.ep->dev, &xfer->packet); 168013e8ff7aSGerd Hoffmann xhci_try_complete_packet(xfer); 1681f1ae32a1SGerd Hoffmann return 0; 1682f1ae32a1SGerd Hoffmann } 1683f1ae32a1SGerd Hoffmann 16844d7a81c0SGerd Hoffmann static void xhci_calc_intr_kick(XHCIState *xhci, XHCITransfer *xfer, 16854d7a81c0SGerd Hoffmann XHCIEPContext *epctx, uint64_t mfindex) 16864d7a81c0SGerd Hoffmann { 16874d7a81c0SGerd Hoffmann uint64_t asap = ((mfindex + epctx->interval - 1) & 16884d7a81c0SGerd Hoffmann ~(epctx->interval-1)); 16894d7a81c0SGerd Hoffmann uint64_t kick = epctx->mfindex_last + epctx->interval; 16904d7a81c0SGerd Hoffmann 16914d7a81c0SGerd Hoffmann assert(epctx->interval != 0); 16924d7a81c0SGerd Hoffmann xfer->mfindex_kick = MAX(asap, kick); 16934d7a81c0SGerd Hoffmann } 16944d7a81c0SGerd Hoffmann 16953d139684SGerd Hoffmann static void xhci_calc_iso_kick(XHCIState *xhci, XHCITransfer *xfer, 16963d139684SGerd Hoffmann XHCIEPContext *epctx, uint64_t mfindex) 16973d139684SGerd Hoffmann { 16983d139684SGerd Hoffmann if (xfer->trbs[0].control & TRB_TR_SIA) { 16993d139684SGerd Hoffmann uint64_t asap = ((mfindex + epctx->interval - 1) & 17003d139684SGerd Hoffmann ~(epctx->interval-1)); 17013d139684SGerd Hoffmann if (asap >= epctx->mfindex_last && 17023d139684SGerd Hoffmann asap <= epctx->mfindex_last + epctx->interval * 4) { 17033d139684SGerd Hoffmann xfer->mfindex_kick = epctx->mfindex_last + epctx->interval; 17043d139684SGerd Hoffmann } else { 17053d139684SGerd Hoffmann xfer->mfindex_kick = asap; 17063d139684SGerd Hoffmann } 17073d139684SGerd Hoffmann } else { 1708786ad214SGerd Hoffmann xfer->mfindex_kick = ((xfer->trbs[0].control >> TRB_TR_FRAMEID_SHIFT) 1709786ad214SGerd Hoffmann & TRB_TR_FRAMEID_MASK) << 3; 17103d139684SGerd Hoffmann xfer->mfindex_kick |= mfindex & ~0x3fff; 1711cc03ff9dSGerd Hoffmann if (xfer->mfindex_kick + 0x100 < mfindex) { 17123d139684SGerd Hoffmann xfer->mfindex_kick += 0x4000; 17133d139684SGerd Hoffmann } 17143d139684SGerd Hoffmann } 17153d139684SGerd Hoffmann } 17163d139684SGerd Hoffmann 17174d7a81c0SGerd Hoffmann static void xhci_check_intr_iso_kick(XHCIState *xhci, XHCITransfer *xfer, 17183d139684SGerd Hoffmann XHCIEPContext *epctx, uint64_t mfindex) 17193d139684SGerd Hoffmann { 17203d139684SGerd Hoffmann if (xfer->mfindex_kick > mfindex) { 1721bc72ad67SAlex Bligh timer_mod(epctx->kick_timer, qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) + 17223d139684SGerd Hoffmann (xfer->mfindex_kick - mfindex) * 125000); 17233d139684SGerd Hoffmann xfer->running_retry = 1; 17243d139684SGerd Hoffmann } else { 17253d139684SGerd Hoffmann epctx->mfindex_last = xfer->mfindex_kick; 1726bc72ad67SAlex Bligh timer_del(epctx->kick_timer); 17273d139684SGerd Hoffmann xfer->running_retry = 0; 17283d139684SGerd Hoffmann } 17293d139684SGerd Hoffmann } 17303d139684SGerd Hoffmann 17313d139684SGerd Hoffmann 1732f1ae32a1SGerd Hoffmann static int xhci_submit(XHCIState *xhci, XHCITransfer *xfer, XHCIEPContext *epctx) 1733f1ae32a1SGerd Hoffmann { 17343d139684SGerd Hoffmann uint64_t mfindex; 1735f1ae32a1SGerd Hoffmann 1736ee56264aSLadi Prosek DPRINTF("xhci_submit(slotid=%d,epid=%d)\n", epctx->slotid, epctx->epid); 1737f1ae32a1SGerd Hoffmann 1738f1ae32a1SGerd Hoffmann xfer->in_xfer = epctx->type>>2; 1739f1ae32a1SGerd Hoffmann 1740f1ae32a1SGerd Hoffmann switch(epctx->type) { 1741f1ae32a1SGerd Hoffmann case ET_INTR_OUT: 1742f1ae32a1SGerd Hoffmann case ET_INTR_IN: 17434d7a81c0SGerd Hoffmann xfer->pkts = 0; 17444d7a81c0SGerd Hoffmann xfer->iso_xfer = false; 17454d7a81c0SGerd Hoffmann xfer->timed_xfer = true; 17464d7a81c0SGerd Hoffmann mfindex = xhci_mfindex_get(xhci); 17474d7a81c0SGerd Hoffmann xhci_calc_intr_kick(xhci, xfer, epctx, mfindex); 17484d7a81c0SGerd Hoffmann xhci_check_intr_iso_kick(xhci, xfer, epctx, mfindex); 17494d7a81c0SGerd Hoffmann if (xfer->running_retry) { 17504d7a81c0SGerd Hoffmann return -1; 17514d7a81c0SGerd Hoffmann } 17524d7a81c0SGerd Hoffmann break; 1753f1ae32a1SGerd Hoffmann case ET_BULK_OUT: 1754f1ae32a1SGerd Hoffmann case ET_BULK_IN: 17553d139684SGerd Hoffmann xfer->pkts = 0; 17563d139684SGerd Hoffmann xfer->iso_xfer = false; 17574d7a81c0SGerd Hoffmann xfer->timed_xfer = false; 1758f1ae32a1SGerd Hoffmann break; 1759f1ae32a1SGerd Hoffmann case ET_ISO_OUT: 1760f1ae32a1SGerd Hoffmann case ET_ISO_IN: 17613d139684SGerd Hoffmann xfer->pkts = 1; 17623d139684SGerd Hoffmann xfer->iso_xfer = true; 17634d7a81c0SGerd Hoffmann xfer->timed_xfer = true; 17643d139684SGerd Hoffmann mfindex = xhci_mfindex_get(xhci); 17653d139684SGerd Hoffmann xhci_calc_iso_kick(xhci, xfer, epctx, mfindex); 17664d7a81c0SGerd Hoffmann xhci_check_intr_iso_kick(xhci, xfer, epctx, mfindex); 17673d139684SGerd Hoffmann if (xfer->running_retry) { 17683d139684SGerd Hoffmann return -1; 17693d139684SGerd Hoffmann } 1770f1ae32a1SGerd Hoffmann break; 1771f1ae32a1SGerd Hoffmann default: 17724f9cc734SGerd Hoffmann trace_usb_xhci_unimplemented("endpoint type", epctx->type); 1773f1ae32a1SGerd Hoffmann return -1; 1774f1ae32a1SGerd Hoffmann } 1775f1ae32a1SGerd Hoffmann 17765c08106fSGerd Hoffmann if (xhci_setup_packet(xfer) < 0) { 17775c08106fSGerd Hoffmann return -1; 17785c08106fSGerd Hoffmann } 17799a77a0f5SHans de Goede usb_handle_packet(xfer->packet.ep->dev, &xfer->packet); 178013e8ff7aSGerd Hoffmann xhci_try_complete_packet(xfer); 1781f1ae32a1SGerd Hoffmann return 0; 1782f1ae32a1SGerd Hoffmann } 1783f1ae32a1SGerd Hoffmann 1784f1ae32a1SGerd Hoffmann static int xhci_fire_transfer(XHCIState *xhci, XHCITransfer *xfer, XHCIEPContext *epctx) 1785f1ae32a1SGerd Hoffmann { 1786d6fcb293SGerd Hoffmann trace_usb_xhci_xfer_start(xfer, xfer->epctx->slotid, 1787d6fcb293SGerd Hoffmann xfer->epctx->epid, xfer->streamid); 1788f1ae32a1SGerd Hoffmann return xhci_submit(xhci, xfer, epctx); 1789f1ae32a1SGerd Hoffmann } 1790f1ae32a1SGerd Hoffmann 1791024426acSGerd Hoffmann static void xhci_kick_ep(XHCIState *xhci, unsigned int slotid, 1792024426acSGerd Hoffmann unsigned int epid, unsigned int streamid) 1793f1ae32a1SGerd Hoffmann { 1794f1ae32a1SGerd Hoffmann XHCIEPContext *epctx; 1795f1ae32a1SGerd Hoffmann 179691062ae0SGerd Hoffmann assert(slotid >= 1 && slotid <= xhci->numslots); 1797f1ae32a1SGerd Hoffmann assert(epid >= 1 && epid <= 31); 1798f1ae32a1SGerd Hoffmann 1799f1ae32a1SGerd Hoffmann if (!xhci->slots[slotid-1].enabled) { 1800d6bb65fcSGerd Hoffmann DPRINTF("xhci: xhci_kick_ep for disabled slot %d\n", slotid); 1801f1ae32a1SGerd Hoffmann return; 1802f1ae32a1SGerd Hoffmann } 1803f1ae32a1SGerd Hoffmann epctx = xhci->slots[slotid-1].eps[epid-1]; 1804f1ae32a1SGerd Hoffmann if (!epctx) { 1805d6bb65fcSGerd Hoffmann DPRINTF("xhci: xhci_kick_ep for disabled endpoint %d,%d\n", 1806f1ae32a1SGerd Hoffmann epid, slotid); 1807f1ae32a1SGerd Hoffmann return; 1808f1ae32a1SGerd Hoffmann } 1809f1ae32a1SGerd Hoffmann 181096d87bddSGerd Hoffmann if (epctx->kick_active) { 181196d87bddSGerd Hoffmann return; 181296d87bddSGerd Hoffmann } 18133a533ee8SGerd Hoffmann xhci_kick_epctx(epctx, streamid); 18143a533ee8SGerd Hoffmann } 18153a533ee8SGerd Hoffmann 1816236846a0SGerd Hoffmann static bool xhci_slot_ok(XHCIState *xhci, int slotid) 1817236846a0SGerd Hoffmann { 1818236846a0SGerd Hoffmann return (xhci->slots[slotid - 1].uport && 1819236846a0SGerd Hoffmann xhci->slots[slotid - 1].uport->dev && 1820236846a0SGerd Hoffmann xhci->slots[slotid - 1].uport->dev->attached); 1821236846a0SGerd Hoffmann } 1822236846a0SGerd Hoffmann 18233a533ee8SGerd Hoffmann static void xhci_kick_epctx(XHCIEPContext *epctx, unsigned int streamid) 18243a533ee8SGerd Hoffmann { 18253a533ee8SGerd Hoffmann XHCIState *xhci = epctx->xhci; 1826243afe85SGerd Hoffmann XHCIStreamContext *stctx = NULL; 18273a533ee8SGerd Hoffmann XHCITransfer *xfer; 18283a533ee8SGerd Hoffmann XHCIRing *ring; 18293a533ee8SGerd Hoffmann USBEndpoint *ep = NULL; 18303a533ee8SGerd Hoffmann uint64_t mfindex; 1831f89b60f6SGerd Hoffmann unsigned int count = 0; 18323a533ee8SGerd Hoffmann int length; 18333a533ee8SGerd Hoffmann int i; 18343a533ee8SGerd Hoffmann 18353a533ee8SGerd Hoffmann trace_usb_xhci_ep_kick(epctx->slotid, epctx->epid, streamid); 183696d87bddSGerd Hoffmann assert(!epctx->kick_active); 18373a533ee8SGerd Hoffmann 1838de9de157SHans de Goede /* If the device has been detached, but the guest has not noticed this 1839de9de157SHans de Goede yet the 2 above checks will succeed, but we must NOT continue */ 1840236846a0SGerd Hoffmann if (!xhci_slot_ok(xhci, epctx->slotid)) { 1841de9de157SHans de Goede return; 1842de9de157SHans de Goede } 1843de9de157SHans de Goede 1844f1ae32a1SGerd Hoffmann if (epctx->retry) { 1845f1ae32a1SGerd Hoffmann XHCITransfer *xfer = epctx->retry; 1846f1ae32a1SGerd Hoffmann 184797df650bSGerd Hoffmann trace_usb_xhci_xfer_retry(xfer); 1848f1ae32a1SGerd Hoffmann assert(xfer->running_retry); 18494d7a81c0SGerd Hoffmann if (xfer->timed_xfer) { 18504d7a81c0SGerd Hoffmann /* time to kick the transfer? */ 18513d139684SGerd Hoffmann mfindex = xhci_mfindex_get(xhci); 18524d7a81c0SGerd Hoffmann xhci_check_intr_iso_kick(xhci, xfer, epctx, mfindex); 18533d139684SGerd Hoffmann if (xfer->running_retry) { 18543d139684SGerd Hoffmann return; 18553d139684SGerd Hoffmann } 18564d7a81c0SGerd Hoffmann xfer->timed_xfer = 0; 18574d7a81c0SGerd Hoffmann xfer->running_retry = 1; 18584d7a81c0SGerd Hoffmann } 18594d7a81c0SGerd Hoffmann if (xfer->iso_xfer) { 18604d7a81c0SGerd Hoffmann /* retry iso transfer */ 18613d139684SGerd Hoffmann if (xhci_setup_packet(xfer) < 0) { 18623d139684SGerd Hoffmann return; 18633d139684SGerd Hoffmann } 18649a77a0f5SHans de Goede usb_handle_packet(xfer->packet.ep->dev, &xfer->packet); 18659a77a0f5SHans de Goede assert(xfer->packet.status != USB_RET_NAK); 186613e8ff7aSGerd Hoffmann xhci_try_complete_packet(xfer); 18673d139684SGerd Hoffmann } else { 18683d139684SGerd Hoffmann /* retry nak'ed transfer */ 18695c08106fSGerd Hoffmann if (xhci_setup_packet(xfer) < 0) { 18705c08106fSGerd Hoffmann return; 18715c08106fSGerd Hoffmann } 18729a77a0f5SHans de Goede usb_handle_packet(xfer->packet.ep->dev, &xfer->packet); 18739a77a0f5SHans de Goede if (xfer->packet.status == USB_RET_NAK) { 18747cec2ed9Sfangying xhci_xfer_unmap(xfer); 1875f1ae32a1SGerd Hoffmann return; 1876f1ae32a1SGerd Hoffmann } 187713e8ff7aSGerd Hoffmann xhci_try_complete_packet(xfer); 18783d139684SGerd Hoffmann } 1879f1ae32a1SGerd Hoffmann assert(!xfer->running_retry); 1880f94d18d6SGerd Hoffmann if (xfer->complete) { 1881d54fddeaSGerd Hoffmann /* update ring dequeue ptr */ 1882d54fddeaSGerd Hoffmann xhci_set_ep_state(xhci, epctx, stctx, epctx->state); 188394b037f2SGerd Hoffmann xhci_ep_free_xfer(epctx->retry); 1884f94d18d6SGerd Hoffmann } 1885f1ae32a1SGerd Hoffmann epctx->retry = NULL; 1886f1ae32a1SGerd Hoffmann } 1887f1ae32a1SGerd Hoffmann 1888f1ae32a1SGerd Hoffmann if (epctx->state == EP_HALTED) { 1889f1ae32a1SGerd Hoffmann DPRINTF("xhci: ep halted, not running schedule\n"); 1890f1ae32a1SGerd Hoffmann return; 1891f1ae32a1SGerd Hoffmann } 1892f1ae32a1SGerd Hoffmann 1893024426acSGerd Hoffmann 1894024426acSGerd Hoffmann if (epctx->nr_pstreams) { 1895024426acSGerd Hoffmann uint32_t err; 1896024426acSGerd Hoffmann stctx = xhci_find_stream(epctx, streamid, &err); 1897024426acSGerd Hoffmann if (stctx == NULL) { 1898024426acSGerd Hoffmann return; 1899024426acSGerd Hoffmann } 1900024426acSGerd Hoffmann ring = &stctx->ring; 1901024426acSGerd Hoffmann xhci_set_ep_state(xhci, epctx, stctx, EP_RUNNING); 1902024426acSGerd Hoffmann } else { 1903024426acSGerd Hoffmann ring = &epctx->ring; 1904024426acSGerd Hoffmann streamid = 0; 1905024426acSGerd Hoffmann xhci_set_ep_state(xhci, epctx, NULL, EP_RUNNING); 1906024426acSGerd Hoffmann } 19077d04c2b7SGerd Hoffmann assert(ring->dequeue != 0); 1908f1ae32a1SGerd Hoffmann 190996d87bddSGerd Hoffmann epctx->kick_active++; 1910f1ae32a1SGerd Hoffmann while (1) { 1911024426acSGerd Hoffmann length = xhci_ring_chain_length(xhci, ring); 191294b037f2SGerd Hoffmann if (length <= 0) { 1913b4329d1aSYuri Benditovich if (epctx->type == ET_ISO_OUT || epctx->type == ET_ISO_IN) { 1914b4329d1aSYuri Benditovich /* 4.10.3.1 */ 1915b4329d1aSYuri Benditovich XHCIEvent ev = { ER_TRANSFER }; 1916b4329d1aSYuri Benditovich ev.ccode = epctx->type == ET_ISO_IN ? 1917b4329d1aSYuri Benditovich CC_RING_OVERRUN : CC_RING_UNDERRUN; 1918b4329d1aSYuri Benditovich ev.slotid = epctx->slotid; 1919b4329d1aSYuri Benditovich ev.epid = epctx->epid; 1920b4329d1aSYuri Benditovich ev.ptr = epctx->ring.dequeue; 1921b4329d1aSYuri Benditovich xhci_event(xhci, &ev, xhci->slots[epctx->slotid-1].intr); 1922b4329d1aSYuri Benditovich } 1923f1ae32a1SGerd Hoffmann break; 1924f1ae32a1SGerd Hoffmann } 192594b037f2SGerd Hoffmann xfer = xhci_ep_alloc_xfer(epctx, length); 192694b037f2SGerd Hoffmann if (xfer == NULL) { 192794b037f2SGerd Hoffmann break; 1928f1ae32a1SGerd Hoffmann } 1929f1ae32a1SGerd Hoffmann 1930f1ae32a1SGerd Hoffmann for (i = 0; i < length; i++) { 1931f81bb347SAlexey Kardashevskiy TRBType type; 1932f81bb347SAlexey Kardashevskiy type = xhci_ring_fetch(xhci, ring, &xfer->trbs[i], NULL); 19338f36ec70SGerd Hoffmann if (!type) { 19348f36ec70SGerd Hoffmann xhci_die(xhci); 19358f36ec70SGerd Hoffmann xhci_ep_free_xfer(xfer); 19368f36ec70SGerd Hoffmann epctx->kick_active--; 19378f36ec70SGerd Hoffmann return; 19388f36ec70SGerd Hoffmann } 1939f1ae32a1SGerd Hoffmann } 1940024426acSGerd Hoffmann xfer->streamid = streamid; 1941f1ae32a1SGerd Hoffmann 19423a533ee8SGerd Hoffmann if (epctx->epid == 1) { 194394b037f2SGerd Hoffmann xhci_fire_ctl_transfer(xhci, xfer); 1944f1ae32a1SGerd Hoffmann } else { 194594b037f2SGerd Hoffmann xhci_fire_transfer(xhci, xfer, epctx); 1946f1ae32a1SGerd Hoffmann } 1947236846a0SGerd Hoffmann if (!xhci_slot_ok(xhci, epctx->slotid)) { 1948236846a0SGerd Hoffmann /* surprise removal -> stop processing */ 1949236846a0SGerd Hoffmann break; 1950236846a0SGerd Hoffmann } 195194b037f2SGerd Hoffmann if (xfer->complete) { 1952d54fddeaSGerd Hoffmann /* update ring dequeue ptr */ 1953d54fddeaSGerd Hoffmann xhci_set_ep_state(xhci, epctx, stctx, epctx->state); 195494b037f2SGerd Hoffmann xhci_ep_free_xfer(xfer); 195594b037f2SGerd Hoffmann xfer = NULL; 19563d139684SGerd Hoffmann } 1957f1ae32a1SGerd Hoffmann 1958f1ae32a1SGerd Hoffmann if (epctx->state == EP_HALTED) { 1959f1ae32a1SGerd Hoffmann break; 1960f1ae32a1SGerd Hoffmann } 196194b037f2SGerd Hoffmann if (xfer != NULL && xfer->running_retry) { 1962f1ae32a1SGerd Hoffmann DPRINTF("xhci: xfer nacked, stopping schedule\n"); 1963f1ae32a1SGerd Hoffmann epctx->retry = xfer; 196434b9d6a1SChen Qun xhci_xfer_unmap(xfer); 1965f1ae32a1SGerd Hoffmann break; 1966f1ae32a1SGerd Hoffmann } 1967f89b60f6SGerd Hoffmann if (count++ > TRANSFER_LIMIT) { 1968f89b60f6SGerd Hoffmann trace_usb_xhci_enforced_limit("transfers"); 1969f89b60f6SGerd Hoffmann break; 1970f89b60f6SGerd Hoffmann } 1971f1ae32a1SGerd Hoffmann } 197296d87bddSGerd Hoffmann epctx->kick_active--; 1973518ad5f2SHans de Goede 1974070eeef9SGerd Hoffmann ep = xhci_epid_to_usbep(epctx); 197536dfe324SHans de Goede if (ep) { 197636dfe324SHans de Goede usb_device_flush_ep_queue(ep->dev, ep); 197736dfe324SHans de Goede } 1978f1ae32a1SGerd Hoffmann } 1979f1ae32a1SGerd Hoffmann 1980f1ae32a1SGerd Hoffmann static TRBCCode xhci_enable_slot(XHCIState *xhci, unsigned int slotid) 1981f1ae32a1SGerd Hoffmann { 1982348f1037SGerd Hoffmann trace_usb_xhci_slot_enable(slotid); 198391062ae0SGerd Hoffmann assert(slotid >= 1 && slotid <= xhci->numslots); 1984f1ae32a1SGerd Hoffmann xhci->slots[slotid-1].enabled = 1; 1985ccaf87a0SGerd Hoffmann xhci->slots[slotid-1].uport = NULL; 1986f1ae32a1SGerd Hoffmann memset(xhci->slots[slotid-1].eps, 0, sizeof(XHCIEPContext*)*31); 1987f1ae32a1SGerd Hoffmann 1988f1ae32a1SGerd Hoffmann return CC_SUCCESS; 1989f1ae32a1SGerd Hoffmann } 1990f1ae32a1SGerd Hoffmann 1991f1ae32a1SGerd Hoffmann static TRBCCode xhci_disable_slot(XHCIState *xhci, unsigned int slotid) 1992f1ae32a1SGerd Hoffmann { 1993f1ae32a1SGerd Hoffmann int i; 1994f1ae32a1SGerd Hoffmann 1995348f1037SGerd Hoffmann trace_usb_xhci_slot_disable(slotid); 199691062ae0SGerd Hoffmann assert(slotid >= 1 && slotid <= xhci->numslots); 1997f1ae32a1SGerd Hoffmann 1998f1ae32a1SGerd Hoffmann for (i = 1; i <= 31; i++) { 1999f1ae32a1SGerd Hoffmann if (xhci->slots[slotid-1].eps[i-1]) { 2000f1ae32a1SGerd Hoffmann xhci_disable_ep(xhci, slotid, i); 2001f1ae32a1SGerd Hoffmann } 2002f1ae32a1SGerd Hoffmann } 2003f1ae32a1SGerd Hoffmann 2004f1ae32a1SGerd Hoffmann xhci->slots[slotid-1].enabled = 0; 20054034e693SGerd Hoffmann xhci->slots[slotid-1].addressed = 0; 20065c67dd7bSGerd Hoffmann xhci->slots[slotid-1].uport = NULL; 2007b4329d1aSYuri Benditovich xhci->slots[slotid-1].intr = 0; 2008f1ae32a1SGerd Hoffmann return CC_SUCCESS; 2009f1ae32a1SGerd Hoffmann } 2010f1ae32a1SGerd Hoffmann 2011ccaf87a0SGerd Hoffmann static USBPort *xhci_lookup_uport(XHCIState *xhci, uint32_t *slot_ctx) 2012ccaf87a0SGerd Hoffmann { 2013ccaf87a0SGerd Hoffmann USBPort *uport; 2014ccaf87a0SGerd Hoffmann char path[32]; 2015ccaf87a0SGerd Hoffmann int i, pos, port; 2016ccaf87a0SGerd Hoffmann 2017ccaf87a0SGerd Hoffmann port = (slot_ctx[1]>>16) & 0xFF; 2018f2ad97ffSGerd Hoffmann if (port < 1 || port > xhci->numports) { 2019f2ad97ffSGerd Hoffmann return NULL; 2020f2ad97ffSGerd Hoffmann } 2021ccaf87a0SGerd Hoffmann port = xhci->ports[port-1].uport->index+1; 2022ccaf87a0SGerd Hoffmann pos = snprintf(path, sizeof(path), "%d", port); 2023ccaf87a0SGerd Hoffmann for (i = 0; i < 5; i++) { 2024ccaf87a0SGerd Hoffmann port = (slot_ctx[0] >> 4*i) & 0x0f; 2025ccaf87a0SGerd Hoffmann if (!port) { 2026ccaf87a0SGerd Hoffmann break; 2027ccaf87a0SGerd Hoffmann } 2028ccaf87a0SGerd Hoffmann pos += snprintf(path + pos, sizeof(path) - pos, ".%d", port); 2029ccaf87a0SGerd Hoffmann } 2030ccaf87a0SGerd Hoffmann 2031ccaf87a0SGerd Hoffmann QTAILQ_FOREACH(uport, &xhci->bus.used, next) { 2032ccaf87a0SGerd Hoffmann if (strcmp(uport->path, path) == 0) { 2033ccaf87a0SGerd Hoffmann return uport; 2034ccaf87a0SGerd Hoffmann } 2035ccaf87a0SGerd Hoffmann } 2036ccaf87a0SGerd Hoffmann return NULL; 2037ccaf87a0SGerd Hoffmann } 2038ccaf87a0SGerd Hoffmann 2039f1ae32a1SGerd Hoffmann static TRBCCode xhci_address_slot(XHCIState *xhci, unsigned int slotid, 2040f1ae32a1SGerd Hoffmann uint64_t pictx, bool bsr) 2041f1ae32a1SGerd Hoffmann { 2042f1ae32a1SGerd Hoffmann XHCISlot *slot; 2043ccaf87a0SGerd Hoffmann USBPort *uport; 2044f1ae32a1SGerd Hoffmann USBDevice *dev; 204559a70ccdSDavid Gibson dma_addr_t ictx, octx, dcbaap; 2046f1ae32a1SGerd Hoffmann uint64_t poctx; 2047f1ae32a1SGerd Hoffmann uint32_t ictl_ctx[2]; 2048f1ae32a1SGerd Hoffmann uint32_t slot_ctx[4]; 2049f1ae32a1SGerd Hoffmann uint32_t ep0_ctx[5]; 2050f1ae32a1SGerd Hoffmann int i; 2051f1ae32a1SGerd Hoffmann TRBCCode res; 2052f1ae32a1SGerd Hoffmann 205391062ae0SGerd Hoffmann assert(slotid >= 1 && slotid <= xhci->numslots); 2054f1ae32a1SGerd Hoffmann 2055f1ae32a1SGerd Hoffmann dcbaap = xhci_addr64(xhci->dcbaap_low, xhci->dcbaap_high); 2056a5317074SSai Pavan Boddu poctx = ldq_le_dma(xhci->as, dcbaap + 8 * slotid); 2057f1ae32a1SGerd Hoffmann ictx = xhci_mask64(pictx); 2058616b5d53SDavid Gibson octx = xhci_mask64(poctx); 2059f1ae32a1SGerd Hoffmann 206059a70ccdSDavid Gibson DPRINTF("xhci: input context at "DMA_ADDR_FMT"\n", ictx); 206159a70ccdSDavid Gibson DPRINTF("xhci: output context at "DMA_ADDR_FMT"\n", octx); 2062f1ae32a1SGerd Hoffmann 2063616b5d53SDavid Gibson xhci_dma_read_u32s(xhci, ictx, ictl_ctx, sizeof(ictl_ctx)); 2064f1ae32a1SGerd Hoffmann 2065f1ae32a1SGerd Hoffmann if (ictl_ctx[0] != 0x0 || ictl_ctx[1] != 0x3) { 2066d6bb65fcSGerd Hoffmann DPRINTF("xhci: invalid input context control %08x %08x\n", 2067f1ae32a1SGerd Hoffmann ictl_ctx[0], ictl_ctx[1]); 2068f1ae32a1SGerd Hoffmann return CC_TRB_ERROR; 2069f1ae32a1SGerd Hoffmann } 2070f1ae32a1SGerd Hoffmann 2071616b5d53SDavid Gibson xhci_dma_read_u32s(xhci, ictx+32, slot_ctx, sizeof(slot_ctx)); 2072616b5d53SDavid Gibson xhci_dma_read_u32s(xhci, ictx+64, ep0_ctx, sizeof(ep0_ctx)); 2073f1ae32a1SGerd Hoffmann 2074f1ae32a1SGerd Hoffmann DPRINTF("xhci: input slot context: %08x %08x %08x %08x\n", 2075f1ae32a1SGerd Hoffmann slot_ctx[0], slot_ctx[1], slot_ctx[2], slot_ctx[3]); 2076f1ae32a1SGerd Hoffmann 2077f1ae32a1SGerd Hoffmann DPRINTF("xhci: input ep0 context: %08x %08x %08x %08x %08x\n", 2078f1ae32a1SGerd Hoffmann ep0_ctx[0], ep0_ctx[1], ep0_ctx[2], ep0_ctx[3], ep0_ctx[4]); 2079f1ae32a1SGerd Hoffmann 2080ccaf87a0SGerd Hoffmann uport = xhci_lookup_uport(xhci, slot_ctx); 2081ccaf87a0SGerd Hoffmann if (uport == NULL) { 2082d6bb65fcSGerd Hoffmann DPRINTF("xhci: port not found\n"); 2083f1ae32a1SGerd Hoffmann return CC_TRB_ERROR; 2084ccaf87a0SGerd Hoffmann } 208565d81ed4SGerd Hoffmann trace_usb_xhci_slot_address(slotid, uport->path); 2086ccaf87a0SGerd Hoffmann 2087ccaf87a0SGerd Hoffmann dev = uport->dev; 2088de9de157SHans de Goede if (!dev || !dev->attached) { 2089d6bb65fcSGerd Hoffmann DPRINTF("xhci: port %s not connected\n", uport->path); 2090f1ae32a1SGerd Hoffmann return CC_USB_TRANSACTION_ERROR; 2091f1ae32a1SGerd Hoffmann } 2092f1ae32a1SGerd Hoffmann 209391062ae0SGerd Hoffmann for (i = 0; i < xhci->numslots; i++) { 20940bc85da6SGerd Hoffmann if (i == slotid-1) { 20950bc85da6SGerd Hoffmann continue; 20960bc85da6SGerd Hoffmann } 2097ccaf87a0SGerd Hoffmann if (xhci->slots[i].uport == uport) { 2098d6bb65fcSGerd Hoffmann DPRINTF("xhci: port %s already assigned to slot %d\n", 2099ccaf87a0SGerd Hoffmann uport->path, i+1); 2100f1ae32a1SGerd Hoffmann return CC_TRB_ERROR; 2101f1ae32a1SGerd Hoffmann } 2102f1ae32a1SGerd Hoffmann } 2103f1ae32a1SGerd Hoffmann 2104f1ae32a1SGerd Hoffmann slot = &xhci->slots[slotid-1]; 2105ccaf87a0SGerd Hoffmann slot->uport = uport; 2106f1ae32a1SGerd Hoffmann slot->ctx = octx; 2107b4329d1aSYuri Benditovich slot->intr = get_field(slot_ctx[2], TRB_INTR); 2108f1ae32a1SGerd Hoffmann 2109a4055d85SZhang Shuaiyi /* Make sure device is in USB_STATE_DEFAULT state */ 2110a4055d85SZhang Shuaiyi usb_device_reset(dev); 2111f1ae32a1SGerd Hoffmann if (bsr) { 2112f1ae32a1SGerd Hoffmann slot_ctx[3] = SLOT_DEFAULT << SLOT_STATE_SHIFT; 2113f1ae32a1SGerd Hoffmann } else { 2114a820b575SGerd Hoffmann USBPacket p; 2115a6718874SGerd Hoffmann uint8_t buf[1]; 2116a6718874SGerd Hoffmann 2117af203be3SGerd Hoffmann slot_ctx[3] = (SLOT_ADDRESSED << SLOT_STATE_SHIFT) | slotid; 2118a6718874SGerd Hoffmann memset(&p, 0, sizeof(p)); 2119a6718874SGerd Hoffmann usb_packet_addbuf(&p, buf, sizeof(buf)); 2120a820b575SGerd Hoffmann usb_packet_setup(&p, USB_TOKEN_OUT, 21218550a02dSGerd Hoffmann usb_ep_get(dev, USB_TOKEN_OUT, 0), 0, 2122a820b575SGerd Hoffmann 0, false, false); 2123a820b575SGerd Hoffmann usb_device_handle_control(dev, &p, 2124f1ae32a1SGerd Hoffmann DeviceOutRequest | USB_REQ_SET_ADDRESS, 2125af203be3SGerd Hoffmann slotid, 0, 0, NULL); 2126a820b575SGerd Hoffmann assert(p.status != USB_RET_ASYNC); 2127c9e38592SYing Fang usb_packet_cleanup(&p); 2128f1ae32a1SGerd Hoffmann } 2129f1ae32a1SGerd Hoffmann 2130f1ae32a1SGerd Hoffmann res = xhci_enable_ep(xhci, slotid, 1, octx+32, ep0_ctx); 2131f1ae32a1SGerd Hoffmann 2132f1ae32a1SGerd Hoffmann DPRINTF("xhci: output slot context: %08x %08x %08x %08x\n", 2133f1ae32a1SGerd Hoffmann slot_ctx[0], slot_ctx[1], slot_ctx[2], slot_ctx[3]); 2134f1ae32a1SGerd Hoffmann DPRINTF("xhci: output ep0 context: %08x %08x %08x %08x %08x\n", 2135f1ae32a1SGerd Hoffmann ep0_ctx[0], ep0_ctx[1], ep0_ctx[2], ep0_ctx[3], ep0_ctx[4]); 2136f1ae32a1SGerd Hoffmann 2137616b5d53SDavid Gibson xhci_dma_write_u32s(xhci, octx, slot_ctx, sizeof(slot_ctx)); 2138616b5d53SDavid Gibson xhci_dma_write_u32s(xhci, octx+32, ep0_ctx, sizeof(ep0_ctx)); 2139f1ae32a1SGerd Hoffmann 21404034e693SGerd Hoffmann xhci->slots[slotid-1].addressed = 1; 2141f1ae32a1SGerd Hoffmann return res; 2142f1ae32a1SGerd Hoffmann } 2143f1ae32a1SGerd Hoffmann 2144f1ae32a1SGerd Hoffmann 2145f1ae32a1SGerd Hoffmann static TRBCCode xhci_configure_slot(XHCIState *xhci, unsigned int slotid, 2146f1ae32a1SGerd Hoffmann uint64_t pictx, bool dc) 2147f1ae32a1SGerd Hoffmann { 214859a70ccdSDavid Gibson dma_addr_t ictx, octx; 2149f1ae32a1SGerd Hoffmann uint32_t ictl_ctx[2]; 2150f1ae32a1SGerd Hoffmann uint32_t slot_ctx[4]; 2151f1ae32a1SGerd Hoffmann uint32_t islot_ctx[4]; 2152f1ae32a1SGerd Hoffmann uint32_t ep_ctx[5]; 2153f1ae32a1SGerd Hoffmann int i; 2154f1ae32a1SGerd Hoffmann TRBCCode res; 2155f1ae32a1SGerd Hoffmann 2156348f1037SGerd Hoffmann trace_usb_xhci_slot_configure(slotid); 215791062ae0SGerd Hoffmann assert(slotid >= 1 && slotid <= xhci->numslots); 2158f1ae32a1SGerd Hoffmann 2159f1ae32a1SGerd Hoffmann ictx = xhci_mask64(pictx); 2160f1ae32a1SGerd Hoffmann octx = xhci->slots[slotid-1].ctx; 2161f1ae32a1SGerd Hoffmann 216259a70ccdSDavid Gibson DPRINTF("xhci: input context at "DMA_ADDR_FMT"\n", ictx); 216359a70ccdSDavid Gibson DPRINTF("xhci: output context at "DMA_ADDR_FMT"\n", octx); 2164f1ae32a1SGerd Hoffmann 2165f1ae32a1SGerd Hoffmann if (dc) { 2166f1ae32a1SGerd Hoffmann for (i = 2; i <= 31; i++) { 2167f1ae32a1SGerd Hoffmann if (xhci->slots[slotid-1].eps[i-1]) { 2168f1ae32a1SGerd Hoffmann xhci_disable_ep(xhci, slotid, i); 2169f1ae32a1SGerd Hoffmann } 2170f1ae32a1SGerd Hoffmann } 2171f1ae32a1SGerd Hoffmann 2172616b5d53SDavid Gibson xhci_dma_read_u32s(xhci, octx, slot_ctx, sizeof(slot_ctx)); 2173f1ae32a1SGerd Hoffmann slot_ctx[3] &= ~(SLOT_STATE_MASK << SLOT_STATE_SHIFT); 2174f1ae32a1SGerd Hoffmann slot_ctx[3] |= SLOT_ADDRESSED << SLOT_STATE_SHIFT; 2175f1ae32a1SGerd Hoffmann DPRINTF("xhci: output slot context: %08x %08x %08x %08x\n", 2176f1ae32a1SGerd Hoffmann slot_ctx[0], slot_ctx[1], slot_ctx[2], slot_ctx[3]); 2177616b5d53SDavid Gibson xhci_dma_write_u32s(xhci, octx, slot_ctx, sizeof(slot_ctx)); 2178f1ae32a1SGerd Hoffmann 2179f1ae32a1SGerd Hoffmann return CC_SUCCESS; 2180f1ae32a1SGerd Hoffmann } 2181f1ae32a1SGerd Hoffmann 2182616b5d53SDavid Gibson xhci_dma_read_u32s(xhci, ictx, ictl_ctx, sizeof(ictl_ctx)); 2183f1ae32a1SGerd Hoffmann 2184f1ae32a1SGerd Hoffmann if ((ictl_ctx[0] & 0x3) != 0x0 || (ictl_ctx[1] & 0x3) != 0x1) { 2185d6bb65fcSGerd Hoffmann DPRINTF("xhci: invalid input context control %08x %08x\n", 2186f1ae32a1SGerd Hoffmann ictl_ctx[0], ictl_ctx[1]); 2187f1ae32a1SGerd Hoffmann return CC_TRB_ERROR; 2188f1ae32a1SGerd Hoffmann } 2189f1ae32a1SGerd Hoffmann 2190616b5d53SDavid Gibson xhci_dma_read_u32s(xhci, ictx+32, islot_ctx, sizeof(islot_ctx)); 2191616b5d53SDavid Gibson xhci_dma_read_u32s(xhci, octx, slot_ctx, sizeof(slot_ctx)); 2192f1ae32a1SGerd Hoffmann 2193f1ae32a1SGerd Hoffmann if (SLOT_STATE(slot_ctx[3]) < SLOT_ADDRESSED) { 2194d6bb65fcSGerd Hoffmann DPRINTF("xhci: invalid slot state %08x\n", slot_ctx[3]); 2195f1ae32a1SGerd Hoffmann return CC_CONTEXT_STATE_ERROR; 2196f1ae32a1SGerd Hoffmann } 2197f1ae32a1SGerd Hoffmann 219872391da5SHans de Goede xhci_free_device_streams(xhci, slotid, ictl_ctx[0] | ictl_ctx[1]); 219972391da5SHans de Goede 2200f1ae32a1SGerd Hoffmann for (i = 2; i <= 31; i++) { 2201f1ae32a1SGerd Hoffmann if (ictl_ctx[0] & (1<<i)) { 2202f1ae32a1SGerd Hoffmann xhci_disable_ep(xhci, slotid, i); 2203f1ae32a1SGerd Hoffmann } 2204f1ae32a1SGerd Hoffmann if (ictl_ctx[1] & (1<<i)) { 2205616b5d53SDavid Gibson xhci_dma_read_u32s(xhci, ictx+32+(32*i), ep_ctx, sizeof(ep_ctx)); 2206f1ae32a1SGerd Hoffmann DPRINTF("xhci: input ep%d.%d context: %08x %08x %08x %08x %08x\n", 2207f1ae32a1SGerd Hoffmann i/2, i%2, ep_ctx[0], ep_ctx[1], ep_ctx[2], 2208f1ae32a1SGerd Hoffmann ep_ctx[3], ep_ctx[4]); 2209f1ae32a1SGerd Hoffmann xhci_disable_ep(xhci, slotid, i); 2210f1ae32a1SGerd Hoffmann res = xhci_enable_ep(xhci, slotid, i, octx+(32*i), ep_ctx); 2211f1ae32a1SGerd Hoffmann if (res != CC_SUCCESS) { 2212f1ae32a1SGerd Hoffmann return res; 2213f1ae32a1SGerd Hoffmann } 2214f1ae32a1SGerd Hoffmann DPRINTF("xhci: output ep%d.%d context: %08x %08x %08x %08x %08x\n", 2215f1ae32a1SGerd Hoffmann i/2, i%2, ep_ctx[0], ep_ctx[1], ep_ctx[2], 2216f1ae32a1SGerd Hoffmann ep_ctx[3], ep_ctx[4]); 2217616b5d53SDavid Gibson xhci_dma_write_u32s(xhci, octx+(32*i), ep_ctx, sizeof(ep_ctx)); 2218f1ae32a1SGerd Hoffmann } 2219f1ae32a1SGerd Hoffmann } 2220f1ae32a1SGerd Hoffmann 222172391da5SHans de Goede res = xhci_alloc_device_streams(xhci, slotid, ictl_ctx[1]); 222272391da5SHans de Goede if (res != CC_SUCCESS) { 222372391da5SHans de Goede for (i = 2; i <= 31; i++) { 22243d80365bSGerd Hoffmann if (ictl_ctx[1] & (1u << i)) { 222572391da5SHans de Goede xhci_disable_ep(xhci, slotid, i); 222672391da5SHans de Goede } 222772391da5SHans de Goede } 222872391da5SHans de Goede return res; 222972391da5SHans de Goede } 223072391da5SHans de Goede 2231f1ae32a1SGerd Hoffmann slot_ctx[3] &= ~(SLOT_STATE_MASK << SLOT_STATE_SHIFT); 2232f1ae32a1SGerd Hoffmann slot_ctx[3] |= SLOT_CONFIGURED << SLOT_STATE_SHIFT; 2233f1ae32a1SGerd Hoffmann slot_ctx[0] &= ~(SLOT_CONTEXT_ENTRIES_MASK << SLOT_CONTEXT_ENTRIES_SHIFT); 2234f1ae32a1SGerd Hoffmann slot_ctx[0] |= islot_ctx[0] & (SLOT_CONTEXT_ENTRIES_MASK << 2235f1ae32a1SGerd Hoffmann SLOT_CONTEXT_ENTRIES_SHIFT); 2236f1ae32a1SGerd Hoffmann DPRINTF("xhci: output slot context: %08x %08x %08x %08x\n", 2237f1ae32a1SGerd Hoffmann slot_ctx[0], slot_ctx[1], slot_ctx[2], slot_ctx[3]); 2238f1ae32a1SGerd Hoffmann 2239616b5d53SDavid Gibson xhci_dma_write_u32s(xhci, octx, slot_ctx, sizeof(slot_ctx)); 2240f1ae32a1SGerd Hoffmann 2241f1ae32a1SGerd Hoffmann return CC_SUCCESS; 2242f1ae32a1SGerd Hoffmann } 2243f1ae32a1SGerd Hoffmann 2244f1ae32a1SGerd Hoffmann 2245f1ae32a1SGerd Hoffmann static TRBCCode xhci_evaluate_slot(XHCIState *xhci, unsigned int slotid, 2246f1ae32a1SGerd Hoffmann uint64_t pictx) 2247f1ae32a1SGerd Hoffmann { 224859a70ccdSDavid Gibson dma_addr_t ictx, octx; 2249f1ae32a1SGerd Hoffmann uint32_t ictl_ctx[2]; 2250f1ae32a1SGerd Hoffmann uint32_t iep0_ctx[5]; 2251f1ae32a1SGerd Hoffmann uint32_t ep0_ctx[5]; 2252f1ae32a1SGerd Hoffmann uint32_t islot_ctx[4]; 2253f1ae32a1SGerd Hoffmann uint32_t slot_ctx[4]; 2254f1ae32a1SGerd Hoffmann 2255348f1037SGerd Hoffmann trace_usb_xhci_slot_evaluate(slotid); 225691062ae0SGerd Hoffmann assert(slotid >= 1 && slotid <= xhci->numslots); 2257f1ae32a1SGerd Hoffmann 2258f1ae32a1SGerd Hoffmann ictx = xhci_mask64(pictx); 2259f1ae32a1SGerd Hoffmann octx = xhci->slots[slotid-1].ctx; 2260f1ae32a1SGerd Hoffmann 226159a70ccdSDavid Gibson DPRINTF("xhci: input context at "DMA_ADDR_FMT"\n", ictx); 226259a70ccdSDavid Gibson DPRINTF("xhci: output context at "DMA_ADDR_FMT"\n", octx); 2263f1ae32a1SGerd Hoffmann 2264616b5d53SDavid Gibson xhci_dma_read_u32s(xhci, ictx, ictl_ctx, sizeof(ictl_ctx)); 2265f1ae32a1SGerd Hoffmann 2266f1ae32a1SGerd Hoffmann if (ictl_ctx[0] != 0x0 || ictl_ctx[1] & ~0x3) { 2267d6bb65fcSGerd Hoffmann DPRINTF("xhci: invalid input context control %08x %08x\n", 2268f1ae32a1SGerd Hoffmann ictl_ctx[0], ictl_ctx[1]); 2269f1ae32a1SGerd Hoffmann return CC_TRB_ERROR; 2270f1ae32a1SGerd Hoffmann } 2271f1ae32a1SGerd Hoffmann 2272f1ae32a1SGerd Hoffmann if (ictl_ctx[1] & 0x1) { 2273616b5d53SDavid Gibson xhci_dma_read_u32s(xhci, ictx+32, islot_ctx, sizeof(islot_ctx)); 2274f1ae32a1SGerd Hoffmann 2275f1ae32a1SGerd Hoffmann DPRINTF("xhci: input slot context: %08x %08x %08x %08x\n", 2276f1ae32a1SGerd Hoffmann islot_ctx[0], islot_ctx[1], islot_ctx[2], islot_ctx[3]); 2277f1ae32a1SGerd Hoffmann 2278616b5d53SDavid Gibson xhci_dma_read_u32s(xhci, octx, slot_ctx, sizeof(slot_ctx)); 2279f1ae32a1SGerd Hoffmann 2280f1ae32a1SGerd Hoffmann slot_ctx[1] &= ~0xFFFF; /* max exit latency */ 2281f1ae32a1SGerd Hoffmann slot_ctx[1] |= islot_ctx[1] & 0xFFFF; 2282b4329d1aSYuri Benditovich /* update interrupter target field */ 2283b4329d1aSYuri Benditovich xhci->slots[slotid-1].intr = get_field(islot_ctx[2], TRB_INTR); 2284b4329d1aSYuri Benditovich set_field(&slot_ctx[2], xhci->slots[slotid-1].intr, TRB_INTR); 2285f1ae32a1SGerd Hoffmann 2286f1ae32a1SGerd Hoffmann DPRINTF("xhci: output slot context: %08x %08x %08x %08x\n", 2287f1ae32a1SGerd Hoffmann slot_ctx[0], slot_ctx[1], slot_ctx[2], slot_ctx[3]); 2288f1ae32a1SGerd Hoffmann 2289616b5d53SDavid Gibson xhci_dma_write_u32s(xhci, octx, slot_ctx, sizeof(slot_ctx)); 2290f1ae32a1SGerd Hoffmann } 2291f1ae32a1SGerd Hoffmann 2292f1ae32a1SGerd Hoffmann if (ictl_ctx[1] & 0x2) { 2293616b5d53SDavid Gibson xhci_dma_read_u32s(xhci, ictx+64, iep0_ctx, sizeof(iep0_ctx)); 2294f1ae32a1SGerd Hoffmann 2295f1ae32a1SGerd Hoffmann DPRINTF("xhci: input ep0 context: %08x %08x %08x %08x %08x\n", 2296f1ae32a1SGerd Hoffmann iep0_ctx[0], iep0_ctx[1], iep0_ctx[2], 2297f1ae32a1SGerd Hoffmann iep0_ctx[3], iep0_ctx[4]); 2298f1ae32a1SGerd Hoffmann 2299616b5d53SDavid Gibson xhci_dma_read_u32s(xhci, octx+32, ep0_ctx, sizeof(ep0_ctx)); 2300f1ae32a1SGerd Hoffmann 2301f1ae32a1SGerd Hoffmann ep0_ctx[1] &= ~0xFFFF0000; /* max packet size*/ 2302f1ae32a1SGerd Hoffmann ep0_ctx[1] |= iep0_ctx[1] & 0xFFFF0000; 2303f1ae32a1SGerd Hoffmann 2304f1ae32a1SGerd Hoffmann DPRINTF("xhci: output ep0 context: %08x %08x %08x %08x %08x\n", 2305f1ae32a1SGerd Hoffmann ep0_ctx[0], ep0_ctx[1], ep0_ctx[2], ep0_ctx[3], ep0_ctx[4]); 2306f1ae32a1SGerd Hoffmann 2307616b5d53SDavid Gibson xhci_dma_write_u32s(xhci, octx+32, ep0_ctx, sizeof(ep0_ctx)); 2308f1ae32a1SGerd Hoffmann } 2309f1ae32a1SGerd Hoffmann 2310f1ae32a1SGerd Hoffmann return CC_SUCCESS; 2311f1ae32a1SGerd Hoffmann } 2312f1ae32a1SGerd Hoffmann 2313f1ae32a1SGerd Hoffmann static TRBCCode xhci_reset_slot(XHCIState *xhci, unsigned int slotid) 2314f1ae32a1SGerd Hoffmann { 2315f1ae32a1SGerd Hoffmann uint32_t slot_ctx[4]; 231659a70ccdSDavid Gibson dma_addr_t octx; 2317f1ae32a1SGerd Hoffmann int i; 2318f1ae32a1SGerd Hoffmann 2319348f1037SGerd Hoffmann trace_usb_xhci_slot_reset(slotid); 232091062ae0SGerd Hoffmann assert(slotid >= 1 && slotid <= xhci->numslots); 2321f1ae32a1SGerd Hoffmann 2322f1ae32a1SGerd Hoffmann octx = xhci->slots[slotid-1].ctx; 2323f1ae32a1SGerd Hoffmann 232459a70ccdSDavid Gibson DPRINTF("xhci: output context at "DMA_ADDR_FMT"\n", octx); 2325f1ae32a1SGerd Hoffmann 2326f1ae32a1SGerd Hoffmann for (i = 2; i <= 31; i++) { 2327f1ae32a1SGerd Hoffmann if (xhci->slots[slotid-1].eps[i-1]) { 2328f1ae32a1SGerd Hoffmann xhci_disable_ep(xhci, slotid, i); 2329f1ae32a1SGerd Hoffmann } 2330f1ae32a1SGerd Hoffmann } 2331f1ae32a1SGerd Hoffmann 2332616b5d53SDavid Gibson xhci_dma_read_u32s(xhci, octx, slot_ctx, sizeof(slot_ctx)); 2333f1ae32a1SGerd Hoffmann slot_ctx[3] &= ~(SLOT_STATE_MASK << SLOT_STATE_SHIFT); 2334f1ae32a1SGerd Hoffmann slot_ctx[3] |= SLOT_DEFAULT << SLOT_STATE_SHIFT; 2335f1ae32a1SGerd Hoffmann DPRINTF("xhci: output slot context: %08x %08x %08x %08x\n", 2336f1ae32a1SGerd Hoffmann slot_ctx[0], slot_ctx[1], slot_ctx[2], slot_ctx[3]); 2337616b5d53SDavid Gibson xhci_dma_write_u32s(xhci, octx, slot_ctx, sizeof(slot_ctx)); 2338f1ae32a1SGerd Hoffmann 2339f1ae32a1SGerd Hoffmann return CC_SUCCESS; 2340f1ae32a1SGerd Hoffmann } 2341f1ae32a1SGerd Hoffmann 2342f1ae32a1SGerd Hoffmann static unsigned int xhci_get_slot(XHCIState *xhci, XHCIEvent *event, XHCITRB *trb) 2343f1ae32a1SGerd Hoffmann { 2344f1ae32a1SGerd Hoffmann unsigned int slotid; 2345f1ae32a1SGerd Hoffmann slotid = (trb->control >> TRB_CR_SLOTID_SHIFT) & TRB_CR_SLOTID_MASK; 234691062ae0SGerd Hoffmann if (slotid < 1 || slotid > xhci->numslots) { 2347d6bb65fcSGerd Hoffmann DPRINTF("xhci: bad slot id %d\n", slotid); 2348f1ae32a1SGerd Hoffmann event->ccode = CC_TRB_ERROR; 2349f1ae32a1SGerd Hoffmann return 0; 2350f1ae32a1SGerd Hoffmann } else if (!xhci->slots[slotid-1].enabled) { 2351d6bb65fcSGerd Hoffmann DPRINTF("xhci: slot id %d not enabled\n", slotid); 2352f1ae32a1SGerd Hoffmann event->ccode = CC_SLOT_NOT_ENABLED_ERROR; 2353f1ae32a1SGerd Hoffmann return 0; 2354f1ae32a1SGerd Hoffmann } 2355f1ae32a1SGerd Hoffmann return slotid; 2356f1ae32a1SGerd Hoffmann } 2357f1ae32a1SGerd Hoffmann 235881251841SGerd Hoffmann /* cleanup slot state on usb device detach */ 235981251841SGerd Hoffmann static void xhci_detach_slot(XHCIState *xhci, USBPort *uport) 236081251841SGerd Hoffmann { 23610cb41e2cSGerd Hoffmann int slot, ep; 236281251841SGerd Hoffmann 236381251841SGerd Hoffmann for (slot = 0; slot < xhci->numslots; slot++) { 236481251841SGerd Hoffmann if (xhci->slots[slot].uport == uport) { 236581251841SGerd Hoffmann break; 236681251841SGerd Hoffmann } 236781251841SGerd Hoffmann } 236881251841SGerd Hoffmann if (slot == xhci->numslots) { 236981251841SGerd Hoffmann return; 237081251841SGerd Hoffmann } 237181251841SGerd Hoffmann 23720cb41e2cSGerd Hoffmann for (ep = 0; ep < 31; ep++) { 23730cb41e2cSGerd Hoffmann if (xhci->slots[slot].eps[ep]) { 2374582d6f4aSHans de Goede xhci_ep_nuke_xfers(xhci, slot + 1, ep + 1, 0); 23750cb41e2cSGerd Hoffmann } 23760cb41e2cSGerd Hoffmann } 237781251841SGerd Hoffmann xhci->slots[slot].uport = NULL; 237881251841SGerd Hoffmann } 237981251841SGerd Hoffmann 2380f1ae32a1SGerd Hoffmann static TRBCCode xhci_get_port_bandwidth(XHCIState *xhci, uint64_t pctx) 2381f1ae32a1SGerd Hoffmann { 238259a70ccdSDavid Gibson dma_addr_t ctx; 23830846e635SGerd Hoffmann uint8_t bw_ctx[xhci->numports+1]; 2384f1ae32a1SGerd Hoffmann 2385f1ae32a1SGerd Hoffmann DPRINTF("xhci_get_port_bandwidth()\n"); 2386f1ae32a1SGerd Hoffmann 2387f1ae32a1SGerd Hoffmann ctx = xhci_mask64(pctx); 2388f1ae32a1SGerd Hoffmann 238959a70ccdSDavid Gibson DPRINTF("xhci: bandwidth context at "DMA_ADDR_FMT"\n", ctx); 2390f1ae32a1SGerd Hoffmann 2391f1ae32a1SGerd Hoffmann /* TODO: actually implement real values here */ 2392f1ae32a1SGerd Hoffmann bw_ctx[0] = 0; 23930846e635SGerd Hoffmann memset(&bw_ctx[1], 80, xhci->numports); /* 80% */ 2394a5317074SSai Pavan Boddu dma_memory_write(xhci->as, ctx, bw_ctx, sizeof(bw_ctx)); 2395f1ae32a1SGerd Hoffmann 2396f1ae32a1SGerd Hoffmann return CC_SUCCESS; 2397f1ae32a1SGerd Hoffmann } 2398f1ae32a1SGerd Hoffmann 2399f1ae32a1SGerd Hoffmann static uint32_t rotl(uint32_t v, unsigned count) 2400f1ae32a1SGerd Hoffmann { 2401f1ae32a1SGerd Hoffmann count &= 31; 2402f1ae32a1SGerd Hoffmann return (v << count) | (v >> (32 - count)); 2403f1ae32a1SGerd Hoffmann } 2404f1ae32a1SGerd Hoffmann 2405f1ae32a1SGerd Hoffmann 2406f1ae32a1SGerd Hoffmann static uint32_t xhci_nec_challenge(uint32_t hi, uint32_t lo) 2407f1ae32a1SGerd Hoffmann { 2408f1ae32a1SGerd Hoffmann uint32_t val; 2409f1ae32a1SGerd Hoffmann val = rotl(lo - 0x49434878, 32 - ((hi>>8) & 0x1F)); 2410f1ae32a1SGerd Hoffmann val += rotl(lo + 0x49434878, hi & 0x1F); 2411f1ae32a1SGerd Hoffmann val -= rotl(hi ^ 0x49434878, (lo >> 16) & 0x1F); 2412f1ae32a1SGerd Hoffmann return ~val; 2413f1ae32a1SGerd Hoffmann } 2414f1ae32a1SGerd Hoffmann 2415f1ae32a1SGerd Hoffmann static void xhci_process_commands(XHCIState *xhci) 2416f1ae32a1SGerd Hoffmann { 2417f1ae32a1SGerd Hoffmann XHCITRB trb; 2418f1ae32a1SGerd Hoffmann TRBType type; 2419f1ae32a1SGerd Hoffmann XHCIEvent event = {ER_COMMAND_COMPLETE, CC_SUCCESS}; 242059a70ccdSDavid Gibson dma_addr_t addr; 2421f89b60f6SGerd Hoffmann unsigned int i, slotid = 0, count = 0; 2422f1ae32a1SGerd Hoffmann 2423f1ae32a1SGerd Hoffmann DPRINTF("xhci_process_commands()\n"); 2424f1ae32a1SGerd Hoffmann if (!xhci_running(xhci)) { 2425f1ae32a1SGerd Hoffmann DPRINTF("xhci_process_commands() called while xHC stopped or paused\n"); 2426f1ae32a1SGerd Hoffmann return; 2427f1ae32a1SGerd Hoffmann } 2428f1ae32a1SGerd Hoffmann 2429f1ae32a1SGerd Hoffmann xhci->crcr_low |= CRCR_CRR; 2430f1ae32a1SGerd Hoffmann 2431f1ae32a1SGerd Hoffmann while ((type = xhci_ring_fetch(xhci, &xhci->cmd_ring, &trb, &addr))) { 2432f1ae32a1SGerd Hoffmann event.ptr = addr; 2433f1ae32a1SGerd Hoffmann switch (type) { 2434f1ae32a1SGerd Hoffmann case CR_ENABLE_SLOT: 243591062ae0SGerd Hoffmann for (i = 0; i < xhci->numslots; i++) { 2436f1ae32a1SGerd Hoffmann if (!xhci->slots[i].enabled) { 2437f1ae32a1SGerd Hoffmann break; 2438f1ae32a1SGerd Hoffmann } 2439f1ae32a1SGerd Hoffmann } 244091062ae0SGerd Hoffmann if (i >= xhci->numslots) { 2441d6bb65fcSGerd Hoffmann DPRINTF("xhci: no device slots available\n"); 2442f1ae32a1SGerd Hoffmann event.ccode = CC_NO_SLOTS_ERROR; 2443f1ae32a1SGerd Hoffmann } else { 2444f1ae32a1SGerd Hoffmann slotid = i+1; 2445f1ae32a1SGerd Hoffmann event.ccode = xhci_enable_slot(xhci, slotid); 2446f1ae32a1SGerd Hoffmann } 2447f1ae32a1SGerd Hoffmann break; 2448f1ae32a1SGerd Hoffmann case CR_DISABLE_SLOT: 2449f1ae32a1SGerd Hoffmann slotid = xhci_get_slot(xhci, &event, &trb); 2450f1ae32a1SGerd Hoffmann if (slotid) { 2451f1ae32a1SGerd Hoffmann event.ccode = xhci_disable_slot(xhci, slotid); 2452f1ae32a1SGerd Hoffmann } 2453f1ae32a1SGerd Hoffmann break; 2454f1ae32a1SGerd Hoffmann case CR_ADDRESS_DEVICE: 2455f1ae32a1SGerd Hoffmann slotid = xhci_get_slot(xhci, &event, &trb); 2456f1ae32a1SGerd Hoffmann if (slotid) { 2457f1ae32a1SGerd Hoffmann event.ccode = xhci_address_slot(xhci, slotid, trb.parameter, 2458f1ae32a1SGerd Hoffmann trb.control & TRB_CR_BSR); 2459f1ae32a1SGerd Hoffmann } 2460f1ae32a1SGerd Hoffmann break; 2461f1ae32a1SGerd Hoffmann case CR_CONFIGURE_ENDPOINT: 2462f1ae32a1SGerd Hoffmann slotid = xhci_get_slot(xhci, &event, &trb); 2463f1ae32a1SGerd Hoffmann if (slotid) { 2464f1ae32a1SGerd Hoffmann event.ccode = xhci_configure_slot(xhci, slotid, trb.parameter, 2465f1ae32a1SGerd Hoffmann trb.control & TRB_CR_DC); 2466f1ae32a1SGerd Hoffmann } 2467f1ae32a1SGerd Hoffmann break; 2468f1ae32a1SGerd Hoffmann case CR_EVALUATE_CONTEXT: 2469f1ae32a1SGerd Hoffmann slotid = xhci_get_slot(xhci, &event, &trb); 2470f1ae32a1SGerd Hoffmann if (slotid) { 2471f1ae32a1SGerd Hoffmann event.ccode = xhci_evaluate_slot(xhci, slotid, trb.parameter); 2472f1ae32a1SGerd Hoffmann } 2473f1ae32a1SGerd Hoffmann break; 2474f1ae32a1SGerd Hoffmann case CR_STOP_ENDPOINT: 2475f1ae32a1SGerd Hoffmann slotid = xhci_get_slot(xhci, &event, &trb); 2476f1ae32a1SGerd Hoffmann if (slotid) { 2477f1ae32a1SGerd Hoffmann unsigned int epid = (trb.control >> TRB_CR_EPID_SHIFT) 2478f1ae32a1SGerd Hoffmann & TRB_CR_EPID_MASK; 2479f1ae32a1SGerd Hoffmann event.ccode = xhci_stop_ep(xhci, slotid, epid); 2480f1ae32a1SGerd Hoffmann } 2481f1ae32a1SGerd Hoffmann break; 2482f1ae32a1SGerd Hoffmann case CR_RESET_ENDPOINT: 2483f1ae32a1SGerd Hoffmann slotid = xhci_get_slot(xhci, &event, &trb); 2484f1ae32a1SGerd Hoffmann if (slotid) { 2485f1ae32a1SGerd Hoffmann unsigned int epid = (trb.control >> TRB_CR_EPID_SHIFT) 2486f1ae32a1SGerd Hoffmann & TRB_CR_EPID_MASK; 2487f1ae32a1SGerd Hoffmann event.ccode = xhci_reset_ep(xhci, slotid, epid); 2488f1ae32a1SGerd Hoffmann } 2489f1ae32a1SGerd Hoffmann break; 2490f1ae32a1SGerd Hoffmann case CR_SET_TR_DEQUEUE: 2491f1ae32a1SGerd Hoffmann slotid = xhci_get_slot(xhci, &event, &trb); 2492f1ae32a1SGerd Hoffmann if (slotid) { 2493f1ae32a1SGerd Hoffmann unsigned int epid = (trb.control >> TRB_CR_EPID_SHIFT) 2494f1ae32a1SGerd Hoffmann & TRB_CR_EPID_MASK; 2495024426acSGerd Hoffmann unsigned int streamid = (trb.status >> 16) & 0xffff; 2496024426acSGerd Hoffmann event.ccode = xhci_set_ep_dequeue(xhci, slotid, 2497024426acSGerd Hoffmann epid, streamid, 2498f1ae32a1SGerd Hoffmann trb.parameter); 2499f1ae32a1SGerd Hoffmann } 2500f1ae32a1SGerd Hoffmann break; 2501f1ae32a1SGerd Hoffmann case CR_RESET_DEVICE: 2502f1ae32a1SGerd Hoffmann slotid = xhci_get_slot(xhci, &event, &trb); 2503f1ae32a1SGerd Hoffmann if (slotid) { 2504f1ae32a1SGerd Hoffmann event.ccode = xhci_reset_slot(xhci, slotid); 2505f1ae32a1SGerd Hoffmann } 2506f1ae32a1SGerd Hoffmann break; 2507f1ae32a1SGerd Hoffmann case CR_GET_PORT_BANDWIDTH: 2508f1ae32a1SGerd Hoffmann event.ccode = xhci_get_port_bandwidth(xhci, trb.parameter); 2509f1ae32a1SGerd Hoffmann break; 2510dc2c037fSHikaru Nishida case CR_NOOP: 2511dc2c037fSHikaru Nishida event.ccode = CC_SUCCESS; 2512dc2c037fSHikaru Nishida break; 2513f1ae32a1SGerd Hoffmann case CR_VENDOR_NEC_FIRMWARE_REVISION: 25142992d6b4SGerd Hoffmann if (xhci->nec_quirks) { 2515f1ae32a1SGerd Hoffmann event.type = 48; /* NEC reply */ 2516f1ae32a1SGerd Hoffmann event.length = 0x3025; 25172992d6b4SGerd Hoffmann } else { 25182992d6b4SGerd Hoffmann event.ccode = CC_TRB_ERROR; 25192992d6b4SGerd Hoffmann } 2520f1ae32a1SGerd Hoffmann break; 2521f1ae32a1SGerd Hoffmann case CR_VENDOR_NEC_CHALLENGE_RESPONSE: 25222992d6b4SGerd Hoffmann if (xhci->nec_quirks) { 2523f1ae32a1SGerd Hoffmann uint32_t chi = trb.parameter >> 32; 2524f1ae32a1SGerd Hoffmann uint32_t clo = trb.parameter; 2525f1ae32a1SGerd Hoffmann uint32_t val = xhci_nec_challenge(chi, clo); 2526f1ae32a1SGerd Hoffmann event.length = val & 0xFFFF; 2527f1ae32a1SGerd Hoffmann event.epid = val >> 16; 2528f1ae32a1SGerd Hoffmann slotid = val >> 24; 2529f1ae32a1SGerd Hoffmann event.type = 48; /* NEC reply */ 25302992d6b4SGerd Hoffmann } else { 25312992d6b4SGerd Hoffmann event.ccode = CC_TRB_ERROR; 2532f1ae32a1SGerd Hoffmann } 2533f1ae32a1SGerd Hoffmann break; 2534f1ae32a1SGerd Hoffmann default: 25350ab966cfSGerd Hoffmann trace_usb_xhci_unimplemented("command", type); 2536f1ae32a1SGerd Hoffmann event.ccode = CC_TRB_ERROR; 2537f1ae32a1SGerd Hoffmann break; 2538f1ae32a1SGerd Hoffmann } 2539f1ae32a1SGerd Hoffmann event.slotid = slotid; 25402d1de850SGerd Hoffmann xhci_event(xhci, &event, 0); 2541f89b60f6SGerd Hoffmann 2542f89b60f6SGerd Hoffmann if (count++ > COMMAND_LIMIT) { 2543f89b60f6SGerd Hoffmann trace_usb_xhci_enforced_limit("commands"); 2544f89b60f6SGerd Hoffmann return; 2545f89b60f6SGerd Hoffmann } 2546f1ae32a1SGerd Hoffmann } 2547f1ae32a1SGerd Hoffmann } 2548f1ae32a1SGerd Hoffmann 25496a32f80fSGerd Hoffmann static bool xhci_port_have_device(XHCIPort *port) 25506a32f80fSGerd Hoffmann { 25516a32f80fSGerd Hoffmann if (!port->uport->dev || !port->uport->dev->attached) { 25526a32f80fSGerd Hoffmann return false; /* no device present */ 25536a32f80fSGerd Hoffmann } 25546a32f80fSGerd Hoffmann if (!((1 << port->uport->dev->speed) & port->speedmask)) { 25556a32f80fSGerd Hoffmann return false; /* speed mismatch */ 25566a32f80fSGerd Hoffmann } 25576a32f80fSGerd Hoffmann return true; 25586a32f80fSGerd Hoffmann } 25596a32f80fSGerd Hoffmann 2560f705a362SGerd Hoffmann static void xhci_port_notify(XHCIPort *port, uint32_t bits) 2561f705a362SGerd Hoffmann { 2562f705a362SGerd Hoffmann XHCIEvent ev = { ER_PORT_STATUS_CHANGE, CC_SUCCESS, 2563f705a362SGerd Hoffmann port->portnr << 24 }; 2564f705a362SGerd Hoffmann 2565f705a362SGerd Hoffmann if ((port->portsc & bits) == bits) { 2566f705a362SGerd Hoffmann return; 2567f705a362SGerd Hoffmann } 2568bdfce20dSGerd Hoffmann trace_usb_xhci_port_notify(port->portnr, bits); 2569f705a362SGerd Hoffmann port->portsc |= bits; 2570f705a362SGerd Hoffmann if (!xhci_running(port->xhci)) { 2571f705a362SGerd Hoffmann return; 2572f705a362SGerd Hoffmann } 2573f705a362SGerd Hoffmann xhci_event(port->xhci, &ev, 0); 2574f705a362SGerd Hoffmann } 2575f705a362SGerd Hoffmann 2576f3214027SGerd Hoffmann static void xhci_port_update(XHCIPort *port, int is_detach) 2577f1ae32a1SGerd Hoffmann { 2578b62b0828SGerd Hoffmann uint32_t pls = PLS_RX_DETECT; 2579b62b0828SGerd Hoffmann 258092cf3427SLiam Merwick assert(port); 2581f1ae32a1SGerd Hoffmann port->portsc = PORTSC_PP; 25826a32f80fSGerd Hoffmann if (!is_detach && xhci_port_have_device(port)) { 2583f1ae32a1SGerd Hoffmann port->portsc |= PORTSC_CCS; 25840846e635SGerd Hoffmann switch (port->uport->dev->speed) { 2585f1ae32a1SGerd Hoffmann case USB_SPEED_LOW: 2586f1ae32a1SGerd Hoffmann port->portsc |= PORTSC_SPEED_LOW; 2587b62b0828SGerd Hoffmann pls = PLS_POLLING; 2588f1ae32a1SGerd Hoffmann break; 2589f1ae32a1SGerd Hoffmann case USB_SPEED_FULL: 2590f1ae32a1SGerd Hoffmann port->portsc |= PORTSC_SPEED_FULL; 2591b62b0828SGerd Hoffmann pls = PLS_POLLING; 2592f1ae32a1SGerd Hoffmann break; 2593f1ae32a1SGerd Hoffmann case USB_SPEED_HIGH: 2594f1ae32a1SGerd Hoffmann port->portsc |= PORTSC_SPEED_HIGH; 2595b62b0828SGerd Hoffmann pls = PLS_POLLING; 2596f1ae32a1SGerd Hoffmann break; 25970846e635SGerd Hoffmann case USB_SPEED_SUPER: 25980846e635SGerd Hoffmann port->portsc |= PORTSC_SPEED_SUPER; 2599b62b0828SGerd Hoffmann port->portsc |= PORTSC_PED; 2600b62b0828SGerd Hoffmann pls = PLS_U0; 26010846e635SGerd Hoffmann break; 2602f1ae32a1SGerd Hoffmann } 2603f1ae32a1SGerd Hoffmann } 2604b62b0828SGerd Hoffmann set_field(&port->portsc, pls, PORTSC_PLS); 26054f47f0f8SGerd Hoffmann trace_usb_xhci_port_link(port->portnr, pls); 2606f705a362SGerd Hoffmann xhci_port_notify(port, PORTSC_CSC); 2607f1ae32a1SGerd Hoffmann } 2608f1ae32a1SGerd Hoffmann 2609dad5b9eaSGerd Hoffmann static void xhci_port_reset(XHCIPort *port, bool warm_reset) 261040030130SGerd Hoffmann { 26117bd3055fSGerd Hoffmann trace_usb_xhci_port_reset(port->portnr, warm_reset); 26124f47f0f8SGerd Hoffmann 2613b62b0828SGerd Hoffmann if (!xhci_port_have_device(port)) { 2614b62b0828SGerd Hoffmann return; 2615b62b0828SGerd Hoffmann } 2616b62b0828SGerd Hoffmann 261740030130SGerd Hoffmann usb_device_reset(port->uport->dev); 2618b62b0828SGerd Hoffmann 2619b62b0828SGerd Hoffmann switch (port->uport->dev->speed) { 2620dad5b9eaSGerd Hoffmann case USB_SPEED_SUPER: 2621dad5b9eaSGerd Hoffmann if (warm_reset) { 2622dad5b9eaSGerd Hoffmann port->portsc |= PORTSC_WRC; 2623dad5b9eaSGerd Hoffmann } 2624dad5b9eaSGerd Hoffmann /* fall through */ 2625b62b0828SGerd Hoffmann case USB_SPEED_LOW: 2626b62b0828SGerd Hoffmann case USB_SPEED_FULL: 2627b62b0828SGerd Hoffmann case USB_SPEED_HIGH: 2628b62b0828SGerd Hoffmann set_field(&port->portsc, PLS_U0, PORTSC_PLS); 26294f47f0f8SGerd Hoffmann trace_usb_xhci_port_link(port->portnr, PLS_U0); 2630b62b0828SGerd Hoffmann port->portsc |= PORTSC_PED; 2631b62b0828SGerd Hoffmann break; 2632b62b0828SGerd Hoffmann } 2633b62b0828SGerd Hoffmann 2634b62b0828SGerd Hoffmann port->portsc &= ~PORTSC_PR; 2635b62b0828SGerd Hoffmann xhci_port_notify(port, PORTSC_PRC); 263640030130SGerd Hoffmann } 263740030130SGerd Hoffmann 263864619739SJan Kiszka static void xhci_reset(DeviceState *dev) 2639f1ae32a1SGerd Hoffmann { 264037034575SPeter Crosthwaite XHCIState *xhci = XHCI(dev); 2641f1ae32a1SGerd Hoffmann int i; 2642f1ae32a1SGerd Hoffmann 26432d754a10SGerd Hoffmann trace_usb_xhci_reset(); 2644f1ae32a1SGerd Hoffmann if (!(xhci->usbsts & USBSTS_HCH)) { 2645d6bb65fcSGerd Hoffmann DPRINTF("xhci: reset while running!\n"); 2646f1ae32a1SGerd Hoffmann } 2647f1ae32a1SGerd Hoffmann 2648f1ae32a1SGerd Hoffmann xhci->usbcmd = 0; 2649f1ae32a1SGerd Hoffmann xhci->usbsts = USBSTS_HCH; 2650f1ae32a1SGerd Hoffmann xhci->dnctrl = 0; 2651f1ae32a1SGerd Hoffmann xhci->crcr_low = 0; 2652f1ae32a1SGerd Hoffmann xhci->crcr_high = 0; 2653f1ae32a1SGerd Hoffmann xhci->dcbaap_low = 0; 2654f1ae32a1SGerd Hoffmann xhci->dcbaap_high = 0; 2655f1ae32a1SGerd Hoffmann xhci->config = 0; 2656f1ae32a1SGerd Hoffmann 265791062ae0SGerd Hoffmann for (i = 0; i < xhci->numslots; i++) { 2658f1ae32a1SGerd Hoffmann xhci_disable_slot(xhci, i+1); 2659f1ae32a1SGerd Hoffmann } 2660f1ae32a1SGerd Hoffmann 26610846e635SGerd Hoffmann for (i = 0; i < xhci->numports; i++) { 2662f3214027SGerd Hoffmann xhci_port_update(xhci->ports + i, 0); 2663f1ae32a1SGerd Hoffmann } 2664f1ae32a1SGerd Hoffmann 266591062ae0SGerd Hoffmann for (i = 0; i < xhci->numintrs; i++) { 2666962d11e1SGerd Hoffmann xhci->intr[i].iman = 0; 2667962d11e1SGerd Hoffmann xhci->intr[i].imod = 0; 2668962d11e1SGerd Hoffmann xhci->intr[i].erstsz = 0; 2669962d11e1SGerd Hoffmann xhci->intr[i].erstba_low = 0; 2670962d11e1SGerd Hoffmann xhci->intr[i].erstba_high = 0; 2671962d11e1SGerd Hoffmann xhci->intr[i].erdp_low = 0; 2672962d11e1SGerd Hoffmann xhci->intr[i].erdp_high = 0; 2673f1ae32a1SGerd Hoffmann 2674962d11e1SGerd Hoffmann xhci->intr[i].er_ep_idx = 0; 2675962d11e1SGerd Hoffmann xhci->intr[i].er_pcs = 1; 2676962d11e1SGerd Hoffmann xhci->intr[i].ev_buffer_put = 0; 2677962d11e1SGerd Hoffmann xhci->intr[i].ev_buffer_get = 0; 2678962d11e1SGerd Hoffmann } 267901546fa6SGerd Hoffmann 2680bc72ad67SAlex Bligh xhci->mfindex_start = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL); 268101546fa6SGerd Hoffmann xhci_mfwrap_update(xhci); 2682f1ae32a1SGerd Hoffmann } 2683f1ae32a1SGerd Hoffmann 2684a8170e5eSAvi Kivity static uint64_t xhci_cap_read(void *ptr, hwaddr reg, unsigned size) 2685f1ae32a1SGerd Hoffmann { 26861b067564SGerd Hoffmann XHCIState *xhci = ptr; 26872d754a10SGerd Hoffmann uint32_t ret; 2688f1ae32a1SGerd Hoffmann 2689f1ae32a1SGerd Hoffmann switch (reg) { 2690f1ae32a1SGerd Hoffmann case 0x00: /* HCIVERSION, CAPLENGTH */ 26912d754a10SGerd Hoffmann ret = 0x01000000 | LEN_CAP; 26922d754a10SGerd Hoffmann break; 2693f1ae32a1SGerd Hoffmann case 0x04: /* HCSPARAMS 1 */ 26940846e635SGerd Hoffmann ret = ((xhci->numports_2+xhci->numports_3)<<24) 269591062ae0SGerd Hoffmann | (xhci->numintrs<<8) | xhci->numslots; 26962d754a10SGerd Hoffmann break; 2697f1ae32a1SGerd Hoffmann case 0x08: /* HCSPARAMS 2 */ 26982d754a10SGerd Hoffmann ret = 0x0000000f; 26992d754a10SGerd Hoffmann break; 2700f1ae32a1SGerd Hoffmann case 0x0c: /* HCSPARAMS 3 */ 27012d754a10SGerd Hoffmann ret = 0x00000000; 27022d754a10SGerd Hoffmann break; 2703f1ae32a1SGerd Hoffmann case 0x10: /* HCCPARAMS */ 27042d754a10SGerd Hoffmann if (sizeof(dma_addr_t) == 4) { 27052aa6bfcbSGerd Hoffmann ret = 0x00080000 | (xhci->max_pstreams_mask << 12); 27062d754a10SGerd Hoffmann } else { 27072aa6bfcbSGerd Hoffmann ret = 0x00080001 | (xhci->max_pstreams_mask << 12); 27082d754a10SGerd Hoffmann } 27092d754a10SGerd Hoffmann break; 2710f1ae32a1SGerd Hoffmann case 0x14: /* DBOFF */ 27112d754a10SGerd Hoffmann ret = OFF_DOORBELL; 27122d754a10SGerd Hoffmann break; 2713f1ae32a1SGerd Hoffmann case 0x18: /* RTSOFF */ 27142d754a10SGerd Hoffmann ret = OFF_RUNTIME; 27152d754a10SGerd Hoffmann break; 2716f1ae32a1SGerd Hoffmann 2717f1ae32a1SGerd Hoffmann /* extended capabilities */ 2718f1ae32a1SGerd Hoffmann case 0x20: /* Supported Protocol:00 */ 27192d754a10SGerd Hoffmann ret = 0x02000402; /* USB 2.0 */ 27202d754a10SGerd Hoffmann break; 2721f1ae32a1SGerd Hoffmann case 0x24: /* Supported Protocol:04 */ 27220ebfb144SGerd Hoffmann ret = 0x20425355; /* "USB " */ 27232d754a10SGerd Hoffmann break; 2724f1ae32a1SGerd Hoffmann case 0x28: /* Supported Protocol:08 */ 27257bafd888SGerd Hoffmann if (xhci_get_flag(xhci, XHCI_FLAG_SS_FIRST)) { 27267bafd888SGerd Hoffmann ret = (xhci->numports_2<<8) | (xhci->numports_3+1); 27277bafd888SGerd Hoffmann } else { 27287bafd888SGerd Hoffmann ret = (xhci->numports_2<<8) | 1; 27297bafd888SGerd Hoffmann } 27302d754a10SGerd Hoffmann break; 2731f1ae32a1SGerd Hoffmann case 0x2c: /* Supported Protocol:0c */ 27322d754a10SGerd Hoffmann ret = 0x00000000; /* reserved */ 27332d754a10SGerd Hoffmann break; 2734f1ae32a1SGerd Hoffmann case 0x30: /* Supported Protocol:00 */ 27352d754a10SGerd Hoffmann ret = 0x03000002; /* USB 3.0 */ 27362d754a10SGerd Hoffmann break; 2737f1ae32a1SGerd Hoffmann case 0x34: /* Supported Protocol:04 */ 27380ebfb144SGerd Hoffmann ret = 0x20425355; /* "USB " */ 27392d754a10SGerd Hoffmann break; 2740f1ae32a1SGerd Hoffmann case 0x38: /* Supported Protocol:08 */ 27417bafd888SGerd Hoffmann if (xhci_get_flag(xhci, XHCI_FLAG_SS_FIRST)) { 27427bafd888SGerd Hoffmann ret = (xhci->numports_3<<8) | 1; 27437bafd888SGerd Hoffmann } else { 27447bafd888SGerd Hoffmann ret = (xhci->numports_3<<8) | (xhci->numports_2+1); 27457bafd888SGerd Hoffmann } 27462d754a10SGerd Hoffmann break; 2747f1ae32a1SGerd Hoffmann case 0x3c: /* Supported Protocol:0c */ 27482d754a10SGerd Hoffmann ret = 0x00000000; /* reserved */ 27492d754a10SGerd Hoffmann break; 2750f1ae32a1SGerd Hoffmann default: 27510ab966cfSGerd Hoffmann trace_usb_xhci_unimplemented("cap read", reg); 27522d754a10SGerd Hoffmann ret = 0; 2753f1ae32a1SGerd Hoffmann } 27542d754a10SGerd Hoffmann 27552d754a10SGerd Hoffmann trace_usb_xhci_cap_read(reg, ret); 27562d754a10SGerd Hoffmann return ret; 2757f1ae32a1SGerd Hoffmann } 2758f1ae32a1SGerd Hoffmann 2759a8170e5eSAvi Kivity static uint64_t xhci_port_read(void *ptr, hwaddr reg, unsigned size) 2760f1ae32a1SGerd Hoffmann { 27611d8a4e69SGerd Hoffmann XHCIPort *port = ptr; 27622d754a10SGerd Hoffmann uint32_t ret; 27632d754a10SGerd Hoffmann 27641d8a4e69SGerd Hoffmann switch (reg) { 2765f1ae32a1SGerd Hoffmann case 0x00: /* PORTSC */ 27661d8a4e69SGerd Hoffmann ret = port->portsc; 27672d754a10SGerd Hoffmann break; 2768f1ae32a1SGerd Hoffmann case 0x04: /* PORTPMSC */ 2769f1ae32a1SGerd Hoffmann case 0x08: /* PORTLI */ 27702d754a10SGerd Hoffmann ret = 0; 27712d754a10SGerd Hoffmann break; 2772f1ae32a1SGerd Hoffmann case 0x0c: /* reserved */ 2773f1ae32a1SGerd Hoffmann default: 27740ab966cfSGerd Hoffmann trace_usb_xhci_unimplemented("port read", reg); 27752d754a10SGerd Hoffmann ret = 0; 2776f1ae32a1SGerd Hoffmann } 27772d754a10SGerd Hoffmann 27781d8a4e69SGerd Hoffmann trace_usb_xhci_port_read(port->portnr, reg, ret); 27792d754a10SGerd Hoffmann return ret; 2780f1ae32a1SGerd Hoffmann } 2781f1ae32a1SGerd Hoffmann 2782a8170e5eSAvi Kivity static void xhci_port_write(void *ptr, hwaddr reg, 27831d8a4e69SGerd Hoffmann uint64_t val, unsigned size) 2784f1ae32a1SGerd Hoffmann { 27851d8a4e69SGerd Hoffmann XHCIPort *port = ptr; 2786bdfce20dSGerd Hoffmann uint32_t portsc, notify; 2787f1ae32a1SGerd Hoffmann 27881d8a4e69SGerd Hoffmann trace_usb_xhci_port_write(port->portnr, reg, val); 27892d754a10SGerd Hoffmann 27901d8a4e69SGerd Hoffmann switch (reg) { 2791f1ae32a1SGerd Hoffmann case 0x00: /* PORTSC */ 2792bdfce20dSGerd Hoffmann /* write-1-to-start bits */ 2793dad5b9eaSGerd Hoffmann if (val & PORTSC_WPR) { 2794dad5b9eaSGerd Hoffmann xhci_port_reset(port, true); 2795dad5b9eaSGerd Hoffmann break; 2796dad5b9eaSGerd Hoffmann } 2797bdfce20dSGerd Hoffmann if (val & PORTSC_PR) { 2798dad5b9eaSGerd Hoffmann xhci_port_reset(port, false); 2799bdfce20dSGerd Hoffmann break; 2800bdfce20dSGerd Hoffmann } 2801bdfce20dSGerd Hoffmann 28021d8a4e69SGerd Hoffmann portsc = port->portsc; 2803bdfce20dSGerd Hoffmann notify = 0; 2804f1ae32a1SGerd Hoffmann /* write-1-to-clear bits*/ 2805f1ae32a1SGerd Hoffmann portsc &= ~(val & (PORTSC_CSC|PORTSC_PEC|PORTSC_WRC|PORTSC_OCC| 2806f1ae32a1SGerd Hoffmann PORTSC_PRC|PORTSC_PLC|PORTSC_CEC)); 2807f1ae32a1SGerd Hoffmann if (val & PORTSC_LWS) { 2808f1ae32a1SGerd Hoffmann /* overwrite PLS only when LWS=1 */ 2809bdfce20dSGerd Hoffmann uint32_t old_pls = get_field(port->portsc, PORTSC_PLS); 2810bdfce20dSGerd Hoffmann uint32_t new_pls = get_field(val, PORTSC_PLS); 2811bdfce20dSGerd Hoffmann switch (new_pls) { 2812bdfce20dSGerd Hoffmann case PLS_U0: 2813bdfce20dSGerd Hoffmann if (old_pls != PLS_U0) { 2814bdfce20dSGerd Hoffmann set_field(&portsc, new_pls, PORTSC_PLS); 2815bdfce20dSGerd Hoffmann trace_usb_xhci_port_link(port->portnr, new_pls); 2816bdfce20dSGerd Hoffmann notify = PORTSC_PLC; 2817bdfce20dSGerd Hoffmann } 2818bdfce20dSGerd Hoffmann break; 2819bdfce20dSGerd Hoffmann case PLS_U3: 2820bdfce20dSGerd Hoffmann if (old_pls < PLS_U3) { 2821bdfce20dSGerd Hoffmann set_field(&portsc, new_pls, PORTSC_PLS); 2822bdfce20dSGerd Hoffmann trace_usb_xhci_port_link(port->portnr, new_pls); 2823bdfce20dSGerd Hoffmann } 2824bdfce20dSGerd Hoffmann break; 2825bdfce20dSGerd Hoffmann case PLS_RESUME: 2826bdfce20dSGerd Hoffmann /* windows does this for some reason, don't spam stderr */ 2827bdfce20dSGerd Hoffmann break; 2828bdfce20dSGerd Hoffmann default: 2829d6bb65fcSGerd Hoffmann DPRINTF("%s: ignore pls write (old %d, new %d)\n", 2830bdfce20dSGerd Hoffmann __func__, old_pls, new_pls); 2831bdfce20dSGerd Hoffmann break; 2832bdfce20dSGerd Hoffmann } 2833f1ae32a1SGerd Hoffmann } 2834f1ae32a1SGerd Hoffmann /* read/write bits */ 2835f1ae32a1SGerd Hoffmann portsc &= ~(PORTSC_PP|PORTSC_WCE|PORTSC_WDE|PORTSC_WOE); 2836f1ae32a1SGerd Hoffmann portsc |= (val & (PORTSC_PP|PORTSC_WCE|PORTSC_WDE|PORTSC_WOE)); 283740030130SGerd Hoffmann port->portsc = portsc; 2838bdfce20dSGerd Hoffmann if (notify) { 2839bdfce20dSGerd Hoffmann xhci_port_notify(port, notify); 2840f1ae32a1SGerd Hoffmann } 2841f1ae32a1SGerd Hoffmann break; 2842f1ae32a1SGerd Hoffmann case 0x04: /* PORTPMSC */ 2843f1ae32a1SGerd Hoffmann case 0x08: /* PORTLI */ 2844f1ae32a1SGerd Hoffmann default: 28450ab966cfSGerd Hoffmann trace_usb_xhci_unimplemented("port write", reg); 2846f1ae32a1SGerd Hoffmann } 2847f1ae32a1SGerd Hoffmann } 2848f1ae32a1SGerd Hoffmann 2849a8170e5eSAvi Kivity static uint64_t xhci_oper_read(void *ptr, hwaddr reg, unsigned size) 2850f1ae32a1SGerd Hoffmann { 28511b067564SGerd Hoffmann XHCIState *xhci = ptr; 28522d754a10SGerd Hoffmann uint32_t ret; 2853f1ae32a1SGerd Hoffmann 2854f1ae32a1SGerd Hoffmann switch (reg) { 2855f1ae32a1SGerd Hoffmann case 0x00: /* USBCMD */ 28562d754a10SGerd Hoffmann ret = xhci->usbcmd; 28572d754a10SGerd Hoffmann break; 2858f1ae32a1SGerd Hoffmann case 0x04: /* USBSTS */ 28592d754a10SGerd Hoffmann ret = xhci->usbsts; 28602d754a10SGerd Hoffmann break; 2861f1ae32a1SGerd Hoffmann case 0x08: /* PAGESIZE */ 28622d754a10SGerd Hoffmann ret = 1; /* 4KiB */ 28632d754a10SGerd Hoffmann break; 2864f1ae32a1SGerd Hoffmann case 0x14: /* DNCTRL */ 28652d754a10SGerd Hoffmann ret = xhci->dnctrl; 28662d754a10SGerd Hoffmann break; 2867f1ae32a1SGerd Hoffmann case 0x18: /* CRCR low */ 28682d754a10SGerd Hoffmann ret = xhci->crcr_low & ~0xe; 28692d754a10SGerd Hoffmann break; 2870f1ae32a1SGerd Hoffmann case 0x1c: /* CRCR high */ 28712d754a10SGerd Hoffmann ret = xhci->crcr_high; 28722d754a10SGerd Hoffmann break; 2873f1ae32a1SGerd Hoffmann case 0x30: /* DCBAAP low */ 28742d754a10SGerd Hoffmann ret = xhci->dcbaap_low; 28752d754a10SGerd Hoffmann break; 2876f1ae32a1SGerd Hoffmann case 0x34: /* DCBAAP high */ 28772d754a10SGerd Hoffmann ret = xhci->dcbaap_high; 28782d754a10SGerd Hoffmann break; 2879f1ae32a1SGerd Hoffmann case 0x38: /* CONFIG */ 28802d754a10SGerd Hoffmann ret = xhci->config; 28812d754a10SGerd Hoffmann break; 2882f1ae32a1SGerd Hoffmann default: 28830ab966cfSGerd Hoffmann trace_usb_xhci_unimplemented("oper read", reg); 28842d754a10SGerd Hoffmann ret = 0; 2885f1ae32a1SGerd Hoffmann } 28862d754a10SGerd Hoffmann 28872d754a10SGerd Hoffmann trace_usb_xhci_oper_read(reg, ret); 28882d754a10SGerd Hoffmann return ret; 2889f1ae32a1SGerd Hoffmann } 2890f1ae32a1SGerd Hoffmann 2891a8170e5eSAvi Kivity static void xhci_oper_write(void *ptr, hwaddr reg, 28921b067564SGerd Hoffmann uint64_t val, unsigned size) 2893f1ae32a1SGerd Hoffmann { 28948ddab8ddSSai Pavan Boddu XHCIState *xhci = XHCI(ptr); 28951b067564SGerd Hoffmann 28962d754a10SGerd Hoffmann trace_usb_xhci_oper_write(reg, val); 28972d754a10SGerd Hoffmann 2898f1ae32a1SGerd Hoffmann switch (reg) { 2899f1ae32a1SGerd Hoffmann case 0x00: /* USBCMD */ 2900f1ae32a1SGerd Hoffmann if ((val & USBCMD_RS) && !(xhci->usbcmd & USBCMD_RS)) { 2901f1ae32a1SGerd Hoffmann xhci_run(xhci); 2902f1ae32a1SGerd Hoffmann } else if (!(val & USBCMD_RS) && (xhci->usbcmd & USBCMD_RS)) { 2903f1ae32a1SGerd Hoffmann xhci_stop(xhci); 2904f1ae32a1SGerd Hoffmann } 2905f1f8bc21SGerd Hoffmann if (val & USBCMD_CSS) { 2906f1f8bc21SGerd Hoffmann /* save state */ 2907f1f8bc21SGerd Hoffmann xhci->usbsts &= ~USBSTS_SRE; 2908f1f8bc21SGerd Hoffmann } 2909f1f8bc21SGerd Hoffmann if (val & USBCMD_CRS) { 2910f1f8bc21SGerd Hoffmann /* restore state */ 2911f1f8bc21SGerd Hoffmann xhci->usbsts |= USBSTS_SRE; 2912f1f8bc21SGerd Hoffmann } 2913f1ae32a1SGerd Hoffmann xhci->usbcmd = val & 0xc0f; 291401546fa6SGerd Hoffmann xhci_mfwrap_update(xhci); 2915f1ae32a1SGerd Hoffmann if (val & USBCMD_HCRST) { 29168ddab8ddSSai Pavan Boddu xhci_reset(DEVICE(xhci)); 2917f1ae32a1SGerd Hoffmann } 29188ddab8ddSSai Pavan Boddu xhci_intr_update(xhci, 0); 2919f1ae32a1SGerd Hoffmann break; 2920f1ae32a1SGerd Hoffmann 2921f1ae32a1SGerd Hoffmann case 0x04: /* USBSTS */ 2922f1ae32a1SGerd Hoffmann /* these bits are write-1-to-clear */ 2923f1ae32a1SGerd Hoffmann xhci->usbsts &= ~(val & (USBSTS_HSE|USBSTS_EINT|USBSTS_PCD|USBSTS_SRE)); 29248ddab8ddSSai Pavan Boddu xhci_intr_update(xhci, 0); 2925f1ae32a1SGerd Hoffmann break; 2926f1ae32a1SGerd Hoffmann 2927f1ae32a1SGerd Hoffmann case 0x14: /* DNCTRL */ 2928f1ae32a1SGerd Hoffmann xhci->dnctrl = val & 0xffff; 2929f1ae32a1SGerd Hoffmann break; 2930f1ae32a1SGerd Hoffmann case 0x18: /* CRCR low */ 2931f1ae32a1SGerd Hoffmann xhci->crcr_low = (val & 0xffffffcf) | (xhci->crcr_low & CRCR_CRR); 2932f1ae32a1SGerd Hoffmann break; 2933f1ae32a1SGerd Hoffmann case 0x1c: /* CRCR high */ 2934f1ae32a1SGerd Hoffmann xhci->crcr_high = val; 2935f1ae32a1SGerd Hoffmann if (xhci->crcr_low & (CRCR_CA|CRCR_CS) && (xhci->crcr_low & CRCR_CRR)) { 2936f1ae32a1SGerd Hoffmann XHCIEvent event = {ER_COMMAND_COMPLETE, CC_COMMAND_RING_STOPPED}; 2937f1ae32a1SGerd Hoffmann xhci->crcr_low &= ~CRCR_CRR; 29382d1de850SGerd Hoffmann xhci_event(xhci, &event, 0); 2939f1ae32a1SGerd Hoffmann DPRINTF("xhci: command ring stopped (CRCR=%08x)\n", xhci->crcr_low); 2940f1ae32a1SGerd Hoffmann } else { 294159a70ccdSDavid Gibson dma_addr_t base = xhci_addr64(xhci->crcr_low & ~0x3f, val); 2942f1ae32a1SGerd Hoffmann xhci_ring_init(xhci, &xhci->cmd_ring, base); 2943f1ae32a1SGerd Hoffmann } 2944f1ae32a1SGerd Hoffmann xhci->crcr_low &= ~(CRCR_CA | CRCR_CS); 2945f1ae32a1SGerd Hoffmann break; 2946f1ae32a1SGerd Hoffmann case 0x30: /* DCBAAP low */ 2947f1ae32a1SGerd Hoffmann xhci->dcbaap_low = val & 0xffffffc0; 2948f1ae32a1SGerd Hoffmann break; 2949f1ae32a1SGerd Hoffmann case 0x34: /* DCBAAP high */ 2950f1ae32a1SGerd Hoffmann xhci->dcbaap_high = val; 2951f1ae32a1SGerd Hoffmann break; 2952f1ae32a1SGerd Hoffmann case 0x38: /* CONFIG */ 2953f1ae32a1SGerd Hoffmann xhci->config = val & 0xff; 2954f1ae32a1SGerd Hoffmann break; 2955f1ae32a1SGerd Hoffmann default: 29560ab966cfSGerd Hoffmann trace_usb_xhci_unimplemented("oper write", reg); 2957f1ae32a1SGerd Hoffmann } 2958f1ae32a1SGerd Hoffmann } 2959f1ae32a1SGerd Hoffmann 2960a8170e5eSAvi Kivity static uint64_t xhci_runtime_read(void *ptr, hwaddr reg, 29611b067564SGerd Hoffmann unsigned size) 2962f1ae32a1SGerd Hoffmann { 29631b067564SGerd Hoffmann XHCIState *xhci = ptr; 296443d9d604SGerd Hoffmann uint32_t ret = 0; 2965f1ae32a1SGerd Hoffmann 296643d9d604SGerd Hoffmann if (reg < 0x20) { 2967f1ae32a1SGerd Hoffmann switch (reg) { 2968f1ae32a1SGerd Hoffmann case 0x00: /* MFINDEX */ 296901546fa6SGerd Hoffmann ret = xhci_mfindex_get(xhci) & 0x3fff; 29702d754a10SGerd Hoffmann break; 2971f1ae32a1SGerd Hoffmann default: 29720ab966cfSGerd Hoffmann trace_usb_xhci_unimplemented("runtime read", reg); 297343d9d604SGerd Hoffmann break; 297443d9d604SGerd Hoffmann } 297543d9d604SGerd Hoffmann } else { 297643d9d604SGerd Hoffmann int v = (reg - 0x20) / 0x20; 297743d9d604SGerd Hoffmann XHCIInterrupter *intr = &xhci->intr[v]; 297843d9d604SGerd Hoffmann switch (reg & 0x1f) { 297943d9d604SGerd Hoffmann case 0x00: /* IMAN */ 298043d9d604SGerd Hoffmann ret = intr->iman; 298143d9d604SGerd Hoffmann break; 298243d9d604SGerd Hoffmann case 0x04: /* IMOD */ 298343d9d604SGerd Hoffmann ret = intr->imod; 298443d9d604SGerd Hoffmann break; 298543d9d604SGerd Hoffmann case 0x08: /* ERSTSZ */ 298643d9d604SGerd Hoffmann ret = intr->erstsz; 298743d9d604SGerd Hoffmann break; 298843d9d604SGerd Hoffmann case 0x10: /* ERSTBA low */ 298943d9d604SGerd Hoffmann ret = intr->erstba_low; 299043d9d604SGerd Hoffmann break; 299143d9d604SGerd Hoffmann case 0x14: /* ERSTBA high */ 299243d9d604SGerd Hoffmann ret = intr->erstba_high; 299343d9d604SGerd Hoffmann break; 299443d9d604SGerd Hoffmann case 0x18: /* ERDP low */ 299543d9d604SGerd Hoffmann ret = intr->erdp_low; 299643d9d604SGerd Hoffmann break; 299743d9d604SGerd Hoffmann case 0x1c: /* ERDP high */ 299843d9d604SGerd Hoffmann ret = intr->erdp_high; 299943d9d604SGerd Hoffmann break; 300043d9d604SGerd Hoffmann } 3001f1ae32a1SGerd Hoffmann } 30022d754a10SGerd Hoffmann 30032d754a10SGerd Hoffmann trace_usb_xhci_runtime_read(reg, ret); 30042d754a10SGerd Hoffmann return ret; 3005f1ae32a1SGerd Hoffmann } 3006f1ae32a1SGerd Hoffmann 3007a8170e5eSAvi Kivity static void xhci_runtime_write(void *ptr, hwaddr reg, 30081b067564SGerd Hoffmann uint64_t val, unsigned size) 3009f1ae32a1SGerd Hoffmann { 30101b067564SGerd Hoffmann XHCIState *xhci = ptr; 301143d9d604SGerd Hoffmann int v = (reg - 0x20) / 0x20; 301243d9d604SGerd Hoffmann XHCIInterrupter *intr = &xhci->intr[v]; 30138e9f18b6SGerd Hoffmann trace_usb_xhci_runtime_write(reg, val); 3014f1ae32a1SGerd Hoffmann 301543d9d604SGerd Hoffmann if (reg < 0x20) { 30160ab966cfSGerd Hoffmann trace_usb_xhci_unimplemented("runtime write", reg); 301743d9d604SGerd Hoffmann return; 301843d9d604SGerd Hoffmann } 301943d9d604SGerd Hoffmann 302043d9d604SGerd Hoffmann switch (reg & 0x1f) { 302143d9d604SGerd Hoffmann case 0x00: /* IMAN */ 3022f1ae32a1SGerd Hoffmann if (val & IMAN_IP) { 3023962d11e1SGerd Hoffmann intr->iman &= ~IMAN_IP; 3024f1ae32a1SGerd Hoffmann } 3025962d11e1SGerd Hoffmann intr->iman &= ~IMAN_IE; 3026962d11e1SGerd Hoffmann intr->iman |= val & IMAN_IE; 30278ddab8ddSSai Pavan Boddu xhci_intr_update(xhci, v); 3028f1ae32a1SGerd Hoffmann break; 302943d9d604SGerd Hoffmann case 0x04: /* IMOD */ 3030962d11e1SGerd Hoffmann intr->imod = val; 3031f1ae32a1SGerd Hoffmann break; 303243d9d604SGerd Hoffmann case 0x08: /* ERSTSZ */ 3033962d11e1SGerd Hoffmann intr->erstsz = val & 0xffff; 3034f1ae32a1SGerd Hoffmann break; 303543d9d604SGerd Hoffmann case 0x10: /* ERSTBA low */ 30362992d6b4SGerd Hoffmann if (xhci->nec_quirks) { 30372992d6b4SGerd Hoffmann /* NEC driver bug: it doesn't align this to 64 bytes */ 3038962d11e1SGerd Hoffmann intr->erstba_low = val & 0xfffffff0; 30392992d6b4SGerd Hoffmann } else { 30402992d6b4SGerd Hoffmann intr->erstba_low = val & 0xffffffc0; 30412992d6b4SGerd Hoffmann } 3042f1ae32a1SGerd Hoffmann break; 304343d9d604SGerd Hoffmann case 0x14: /* ERSTBA high */ 3044962d11e1SGerd Hoffmann intr->erstba_high = val; 304543d9d604SGerd Hoffmann xhci_er_reset(xhci, v); 3046f1ae32a1SGerd Hoffmann break; 304743d9d604SGerd Hoffmann case 0x18: /* ERDP low */ 3048f1ae32a1SGerd Hoffmann if (val & ERDP_EHB) { 3049962d11e1SGerd Hoffmann intr->erdp_low &= ~ERDP_EHB; 3050f1ae32a1SGerd Hoffmann } 3051962d11e1SGerd Hoffmann intr->erdp_low = (val & ~ERDP_EHB) | (intr->erdp_low & ERDP_EHB); 30527da76e12SGerd Hoffmann if (val & ERDP_EHB) { 30537da76e12SGerd Hoffmann dma_addr_t erdp = xhci_addr64(intr->erdp_low, intr->erdp_high); 30547da76e12SGerd Hoffmann unsigned int dp_idx = (erdp - intr->er_start) / TRB_SIZE; 30557da76e12SGerd Hoffmann if (erdp >= intr->er_start && 30567da76e12SGerd Hoffmann erdp < (intr->er_start + TRB_SIZE * intr->er_size) && 30577da76e12SGerd Hoffmann dp_idx != intr->er_ep_idx) { 30587da76e12SGerd Hoffmann xhci_intr_raise(xhci, v); 30597da76e12SGerd Hoffmann } 30607da76e12SGerd Hoffmann } 3061f1ae32a1SGerd Hoffmann break; 306243d9d604SGerd Hoffmann case 0x1c: /* ERDP high */ 3063962d11e1SGerd Hoffmann intr->erdp_high = val; 3064f1ae32a1SGerd Hoffmann break; 3065f1ae32a1SGerd Hoffmann default: 30660ab966cfSGerd Hoffmann trace_usb_xhci_unimplemented("oper write", reg); 3067f1ae32a1SGerd Hoffmann } 3068f1ae32a1SGerd Hoffmann } 3069f1ae32a1SGerd Hoffmann 3070a8170e5eSAvi Kivity static uint64_t xhci_doorbell_read(void *ptr, hwaddr reg, 30711b067564SGerd Hoffmann unsigned size) 3072f1ae32a1SGerd Hoffmann { 3073f1ae32a1SGerd Hoffmann /* doorbells always read as 0 */ 30742d754a10SGerd Hoffmann trace_usb_xhci_doorbell_read(reg, 0); 3075f1ae32a1SGerd Hoffmann return 0; 3076f1ae32a1SGerd Hoffmann } 3077f1ae32a1SGerd Hoffmann 3078a8170e5eSAvi Kivity static void xhci_doorbell_write(void *ptr, hwaddr reg, 30791b067564SGerd Hoffmann uint64_t val, unsigned size) 3080f1ae32a1SGerd Hoffmann { 30811b067564SGerd Hoffmann XHCIState *xhci = ptr; 3082024426acSGerd Hoffmann unsigned int epid, streamid; 30831b067564SGerd Hoffmann 30842d754a10SGerd Hoffmann trace_usb_xhci_doorbell_write(reg, val); 3085f1ae32a1SGerd Hoffmann 3086f1ae32a1SGerd Hoffmann if (!xhci_running(xhci)) { 3087d6bb65fcSGerd Hoffmann DPRINTF("xhci: wrote doorbell while xHC stopped or paused\n"); 3088f1ae32a1SGerd Hoffmann return; 3089f1ae32a1SGerd Hoffmann } 3090f1ae32a1SGerd Hoffmann 3091f1ae32a1SGerd Hoffmann reg >>= 2; 3092f1ae32a1SGerd Hoffmann 3093f1ae32a1SGerd Hoffmann if (reg == 0) { 3094f1ae32a1SGerd Hoffmann if (val == 0) { 3095f1ae32a1SGerd Hoffmann xhci_process_commands(xhci); 3096f1ae32a1SGerd Hoffmann } else { 3097d6bb65fcSGerd Hoffmann DPRINTF("xhci: bad doorbell 0 write: 0x%x\n", 30981b067564SGerd Hoffmann (uint32_t)val); 3099f1ae32a1SGerd Hoffmann } 3100f1ae32a1SGerd Hoffmann } else { 3101024426acSGerd Hoffmann epid = val & 0xff; 3102024426acSGerd Hoffmann streamid = (val >> 16) & 0xffff; 310391062ae0SGerd Hoffmann if (reg > xhci->numslots) { 3104d6bb65fcSGerd Hoffmann DPRINTF("xhci: bad doorbell %d\n", (int)reg); 31050a076730SLongpeng } else if (epid == 0 || epid > 31) { 3106d6bb65fcSGerd Hoffmann DPRINTF("xhci: bad doorbell %d write: 0x%x\n", 31071b067564SGerd Hoffmann (int)reg, (uint32_t)val); 3108f1ae32a1SGerd Hoffmann } else { 3109024426acSGerd Hoffmann xhci_kick_ep(xhci, reg, epid, streamid); 3110f1ae32a1SGerd Hoffmann } 3111f1ae32a1SGerd Hoffmann } 3112f1ae32a1SGerd Hoffmann } 3113f1ae32a1SGerd Hoffmann 31146d3bc22eSGerd Hoffmann static void xhci_cap_write(void *opaque, hwaddr addr, uint64_t val, 31156d3bc22eSGerd Hoffmann unsigned width) 31166d3bc22eSGerd Hoffmann { 31176d3bc22eSGerd Hoffmann /* nothing */ 31186d3bc22eSGerd Hoffmann } 31196d3bc22eSGerd Hoffmann 31201b067564SGerd Hoffmann static const MemoryRegionOps xhci_cap_ops = { 31211b067564SGerd Hoffmann .read = xhci_cap_read, 31226d3bc22eSGerd Hoffmann .write = xhci_cap_write, 31236ee021d4SGerd Hoffmann .valid.min_access_size = 1, 31241b067564SGerd Hoffmann .valid.max_access_size = 4, 31256ee021d4SGerd Hoffmann .impl.min_access_size = 4, 31266ee021d4SGerd Hoffmann .impl.max_access_size = 4, 31271b067564SGerd Hoffmann .endianness = DEVICE_LITTLE_ENDIAN, 31281b067564SGerd Hoffmann }; 3129f1ae32a1SGerd Hoffmann 31301b067564SGerd Hoffmann static const MemoryRegionOps xhci_oper_ops = { 31311b067564SGerd Hoffmann .read = xhci_oper_read, 31321b067564SGerd Hoffmann .write = xhci_oper_write, 31331b067564SGerd Hoffmann .valid.min_access_size = 4, 31348e67fda2SLaurent Vivier .valid.max_access_size = sizeof(dma_addr_t), 31351b067564SGerd Hoffmann .endianness = DEVICE_LITTLE_ENDIAN, 31361b067564SGerd Hoffmann }; 3137f1ae32a1SGerd Hoffmann 31381d8a4e69SGerd Hoffmann static const MemoryRegionOps xhci_port_ops = { 31391d8a4e69SGerd Hoffmann .read = xhci_port_read, 31401d8a4e69SGerd Hoffmann .write = xhci_port_write, 31411d8a4e69SGerd Hoffmann .valid.min_access_size = 4, 31421d8a4e69SGerd Hoffmann .valid.max_access_size = 4, 31431d8a4e69SGerd Hoffmann .endianness = DEVICE_LITTLE_ENDIAN, 31441d8a4e69SGerd Hoffmann }; 31451d8a4e69SGerd Hoffmann 31461b067564SGerd Hoffmann static const MemoryRegionOps xhci_runtime_ops = { 31471b067564SGerd Hoffmann .read = xhci_runtime_read, 31481b067564SGerd Hoffmann .write = xhci_runtime_write, 31491b067564SGerd Hoffmann .valid.min_access_size = 4, 31508e67fda2SLaurent Vivier .valid.max_access_size = sizeof(dma_addr_t), 31511b067564SGerd Hoffmann .endianness = DEVICE_LITTLE_ENDIAN, 31521b067564SGerd Hoffmann }; 3153f1ae32a1SGerd Hoffmann 31541b067564SGerd Hoffmann static const MemoryRegionOps xhci_doorbell_ops = { 31551b067564SGerd Hoffmann .read = xhci_doorbell_read, 31561b067564SGerd Hoffmann .write = xhci_doorbell_write, 3157f1ae32a1SGerd Hoffmann .valid.min_access_size = 4, 3158f1ae32a1SGerd Hoffmann .valid.max_access_size = 4, 3159f1ae32a1SGerd Hoffmann .endianness = DEVICE_LITTLE_ENDIAN, 3160f1ae32a1SGerd Hoffmann }; 3161f1ae32a1SGerd Hoffmann 3162f1ae32a1SGerd Hoffmann static void xhci_attach(USBPort *usbport) 3163f1ae32a1SGerd Hoffmann { 3164f1ae32a1SGerd Hoffmann XHCIState *xhci = usbport->opaque; 31650846e635SGerd Hoffmann XHCIPort *port = xhci_lookup_port(xhci, usbport); 3166f1ae32a1SGerd Hoffmann 3167f3214027SGerd Hoffmann xhci_port_update(port, 0); 3168f1ae32a1SGerd Hoffmann } 3169f1ae32a1SGerd Hoffmann 3170f1ae32a1SGerd Hoffmann static void xhci_detach(USBPort *usbport) 3171f1ae32a1SGerd Hoffmann { 3172f1ae32a1SGerd Hoffmann XHCIState *xhci = usbport->opaque; 31730846e635SGerd Hoffmann XHCIPort *port = xhci_lookup_port(xhci, usbport); 3174f1ae32a1SGerd Hoffmann 3175f3dcf638SGerd Hoffmann xhci_detach_slot(xhci, usbport); 3176f3214027SGerd Hoffmann xhci_port_update(port, 1); 3177f1ae32a1SGerd Hoffmann } 3178f1ae32a1SGerd Hoffmann 3179f1ae32a1SGerd Hoffmann static void xhci_wakeup(USBPort *usbport) 3180f1ae32a1SGerd Hoffmann { 3181f1ae32a1SGerd Hoffmann XHCIState *xhci = usbport->opaque; 31820846e635SGerd Hoffmann XHCIPort *port = xhci_lookup_port(xhci, usbport); 3183f1ae32a1SGerd Hoffmann 318492cf3427SLiam Merwick assert(port); 318585e05d82SGerd Hoffmann if (get_field(port->portsc, PORTSC_PLS) != PLS_U3) { 3186f1ae32a1SGerd Hoffmann return; 3187f1ae32a1SGerd Hoffmann } 318885e05d82SGerd Hoffmann set_field(&port->portsc, PLS_RESUME, PORTSC_PLS); 3189f705a362SGerd Hoffmann xhci_port_notify(port, PORTSC_PLC); 3190f1ae32a1SGerd Hoffmann } 3191f1ae32a1SGerd Hoffmann 3192f1ae32a1SGerd Hoffmann static void xhci_complete(USBPort *port, USBPacket *packet) 3193f1ae32a1SGerd Hoffmann { 3194f1ae32a1SGerd Hoffmann XHCITransfer *xfer = container_of(packet, XHCITransfer, packet); 3195f1ae32a1SGerd Hoffmann 31969a77a0f5SHans de Goede if (packet->status == USB_RET_REMOVE_FROM_QUEUE) { 3197582d6f4aSHans de Goede xhci_ep_nuke_one_xfer(xfer, 0); 31980cae7b1aSHans de Goede return; 31990cae7b1aSHans de Goede } 320013e8ff7aSGerd Hoffmann xhci_try_complete_packet(xfer); 32013a533ee8SGerd Hoffmann xhci_kick_epctx(xfer->epctx, xfer->streamid); 320294b037f2SGerd Hoffmann if (xfer->complete) { 320394b037f2SGerd Hoffmann xhci_ep_free_xfer(xfer); 320494b037f2SGerd Hoffmann } 3205f1ae32a1SGerd Hoffmann } 3206f1ae32a1SGerd Hoffmann 3207ccaf87a0SGerd Hoffmann static void xhci_child_detach(USBPort *uport, USBDevice *child) 3208f1ae32a1SGerd Hoffmann { 3209ccaf87a0SGerd Hoffmann USBBus *bus = usb_bus_from_device(child); 3210ccaf87a0SGerd Hoffmann XHCIState *xhci = container_of(bus, XHCIState, bus); 3211ccaf87a0SGerd Hoffmann 3212463c534dSGerd Hoffmann xhci_detach_slot(xhci, child->port); 3213f1ae32a1SGerd Hoffmann } 3214f1ae32a1SGerd Hoffmann 32151d8a4e69SGerd Hoffmann static USBPortOps xhci_uport_ops = { 3216f1ae32a1SGerd Hoffmann .attach = xhci_attach, 3217f1ae32a1SGerd Hoffmann .detach = xhci_detach, 3218f1ae32a1SGerd Hoffmann .wakeup = xhci_wakeup, 3219f1ae32a1SGerd Hoffmann .complete = xhci_complete, 3220f1ae32a1SGerd Hoffmann .child_detach = xhci_child_detach, 3221f1ae32a1SGerd Hoffmann }; 3222f1ae32a1SGerd Hoffmann 3223f1ae32a1SGerd Hoffmann static int xhci_find_epid(USBEndpoint *ep) 3224f1ae32a1SGerd Hoffmann { 3225f1ae32a1SGerd Hoffmann if (ep->nr == 0) { 3226f1ae32a1SGerd Hoffmann return 1; 3227f1ae32a1SGerd Hoffmann } 3228f1ae32a1SGerd Hoffmann if (ep->pid == USB_TOKEN_IN) { 3229f1ae32a1SGerd Hoffmann return ep->nr * 2 + 1; 3230f1ae32a1SGerd Hoffmann } else { 3231f1ae32a1SGerd Hoffmann return ep->nr * 2; 3232f1ae32a1SGerd Hoffmann } 3233f1ae32a1SGerd Hoffmann } 3234f1ae32a1SGerd Hoffmann 3235070eeef9SGerd Hoffmann static USBEndpoint *xhci_epid_to_usbep(XHCIEPContext *epctx) 3236518ad5f2SHans de Goede { 3237070eeef9SGerd Hoffmann USBPort *uport; 3238070eeef9SGerd Hoffmann uint32_t token; 3239518ad5f2SHans de Goede 3240070eeef9SGerd Hoffmann if (!epctx) { 3241518ad5f2SHans de Goede return NULL; 3242518ad5f2SHans de Goede } 3243070eeef9SGerd Hoffmann uport = epctx->xhci->slots[epctx->slotid - 1].uport; 32447cb513aaSLiam Merwick if (!uport || !uport->dev) { 3245070eeef9SGerd Hoffmann return NULL; 3246070eeef9SGerd Hoffmann } 32477cb513aaSLiam Merwick token = (epctx->epid & 1) ? USB_TOKEN_IN : USB_TOKEN_OUT; 3248070eeef9SGerd Hoffmann return usb_ep_get(uport->dev, token, epctx->epid >> 1); 3249518ad5f2SHans de Goede } 3250518ad5f2SHans de Goede 32518550a02dSGerd Hoffmann static void xhci_wakeup_endpoint(USBBus *bus, USBEndpoint *ep, 32528550a02dSGerd Hoffmann unsigned int stream) 3253f1ae32a1SGerd Hoffmann { 3254f1ae32a1SGerd Hoffmann XHCIState *xhci = container_of(bus, XHCIState, bus); 3255f1ae32a1SGerd Hoffmann int slotid; 3256f1ae32a1SGerd Hoffmann 3257f1ae32a1SGerd Hoffmann DPRINTF("%s\n", __func__); 3258af203be3SGerd Hoffmann slotid = ep->dev->addr; 3259f1ae32a1SGerd Hoffmann if (slotid == 0 || !xhci->slots[slotid-1].enabled) { 3260f1ae32a1SGerd Hoffmann DPRINTF("%s: oops, no slot for dev %d\n", __func__, ep->dev->addr); 3261f1ae32a1SGerd Hoffmann return; 3262f1ae32a1SGerd Hoffmann } 3263024426acSGerd Hoffmann xhci_kick_ep(xhci, slotid, xhci_find_epid(ep), stream); 3264f1ae32a1SGerd Hoffmann } 3265f1ae32a1SGerd Hoffmann 3266f1ae32a1SGerd Hoffmann static USBBusOps xhci_bus_ops = { 3267f1ae32a1SGerd Hoffmann .wakeup_endpoint = xhci_wakeup_endpoint, 3268f1ae32a1SGerd Hoffmann }; 3269f1ae32a1SGerd Hoffmann 327037034575SPeter Crosthwaite static void usb_xhci_init(XHCIState *xhci) 3271f1ae32a1SGerd Hoffmann { 32720846e635SGerd Hoffmann XHCIPort *port; 3273ccb79931SDaniel P. Berrangé unsigned int i, usbports, speedmask; 3274f1ae32a1SGerd Hoffmann 3275f1ae32a1SGerd Hoffmann xhci->usbsts = USBSTS_HCH; 3276f1ae32a1SGerd Hoffmann 3277*848db525SGerd Hoffmann if (xhci->numports_2 > XHCI_MAXPORTS_2) { 3278*848db525SGerd Hoffmann xhci->numports_2 = XHCI_MAXPORTS_2; 32790846e635SGerd Hoffmann } 3280*848db525SGerd Hoffmann if (xhci->numports_3 > XHCI_MAXPORTS_3) { 3281*848db525SGerd Hoffmann xhci->numports_3 = XHCI_MAXPORTS_3; 32820846e635SGerd Hoffmann } 32830846e635SGerd Hoffmann usbports = MAX(xhci->numports_2, xhci->numports_3); 32840846e635SGerd Hoffmann xhci->numports = xhci->numports_2 + xhci->numports_3; 32850846e635SGerd Hoffmann 32868ddab8ddSSai Pavan Boddu usb_bus_new(&xhci->bus, sizeof(xhci->bus), &xhci_bus_ops, xhci->hostOpaque); 3287f1ae32a1SGerd Hoffmann 32880846e635SGerd Hoffmann for (i = 0; i < usbports; i++) { 32890846e635SGerd Hoffmann speedmask = 0; 32900846e635SGerd Hoffmann if (i < xhci->numports_2) { 32917bafd888SGerd Hoffmann if (xhci_get_flag(xhci, XHCI_FLAG_SS_FIRST)) { 32927bafd888SGerd Hoffmann port = &xhci->ports[i + xhci->numports_3]; 32937bafd888SGerd Hoffmann port->portnr = i + 1 + xhci->numports_3; 32947bafd888SGerd Hoffmann } else { 32950846e635SGerd Hoffmann port = &xhci->ports[i]; 32960846e635SGerd Hoffmann port->portnr = i + 1; 32977bafd888SGerd Hoffmann } 32980846e635SGerd Hoffmann port->uport = &xhci->uports[i]; 32990846e635SGerd Hoffmann port->speedmask = 3300f1ae32a1SGerd Hoffmann USB_SPEED_MASK_LOW | 3301f1ae32a1SGerd Hoffmann USB_SPEED_MASK_FULL | 33020846e635SGerd Hoffmann USB_SPEED_MASK_HIGH; 3303*848db525SGerd Hoffmann assert(i < XHCI_MAXPORTS); 33041d8a4e69SGerd Hoffmann snprintf(port->name, sizeof(port->name), "usb2 port #%d", i+1); 33050846e635SGerd Hoffmann speedmask |= port->speedmask; 3306f1ae32a1SGerd Hoffmann } 33070846e635SGerd Hoffmann if (i < xhci->numports_3) { 33087bafd888SGerd Hoffmann if (xhci_get_flag(xhci, XHCI_FLAG_SS_FIRST)) { 33097bafd888SGerd Hoffmann port = &xhci->ports[i]; 33107bafd888SGerd Hoffmann port->portnr = i + 1; 33117bafd888SGerd Hoffmann } else { 33120846e635SGerd Hoffmann port = &xhci->ports[i + xhci->numports_2]; 33130846e635SGerd Hoffmann port->portnr = i + 1 + xhci->numports_2; 33147bafd888SGerd Hoffmann } 33150846e635SGerd Hoffmann port->uport = &xhci->uports[i]; 33160846e635SGerd Hoffmann port->speedmask = USB_SPEED_MASK_SUPER; 3317*848db525SGerd Hoffmann assert(i < XHCI_MAXPORTS); 33181d8a4e69SGerd Hoffmann snprintf(port->name, sizeof(port->name), "usb3 port #%d", i+1); 33190846e635SGerd Hoffmann speedmask |= port->speedmask; 33200846e635SGerd Hoffmann } 33210846e635SGerd Hoffmann usb_register_port(&xhci->bus, &xhci->uports[i], xhci, i, 33221d8a4e69SGerd Hoffmann &xhci_uport_ops, speedmask); 3323f1ae32a1SGerd Hoffmann } 3324f1ae32a1SGerd Hoffmann } 3325f1ae32a1SGerd Hoffmann 33268ddab8ddSSai Pavan Boddu static void usb_xhci_realize(DeviceState *dev, Error **errp) 3327f1ae32a1SGerd Hoffmann { 33288ddab8ddSSai Pavan Boddu int i; 3329f1ae32a1SGerd Hoffmann 333037034575SPeter Crosthwaite XHCIState *xhci = XHCI(dev); 3331f1ae32a1SGerd Hoffmann 3332*848db525SGerd Hoffmann if (xhci->numintrs > XHCI_MAXINTRS) { 3333*848db525SGerd Hoffmann xhci->numintrs = XHCI_MAXINTRS; 333491062ae0SGerd Hoffmann } 3335c94a7c69SGerd Hoffmann while (xhci->numintrs & (xhci->numintrs - 1)) { /* ! power of 2 */ 3336c94a7c69SGerd Hoffmann xhci->numintrs++; 3337c94a7c69SGerd Hoffmann } 333891062ae0SGerd Hoffmann if (xhci->numintrs < 1) { 333991062ae0SGerd Hoffmann xhci->numintrs = 1; 334091062ae0SGerd Hoffmann } 3341*848db525SGerd Hoffmann if (xhci->numslots > XHCI_MAXSLOTS) { 3342*848db525SGerd Hoffmann xhci->numslots = XHCI_MAXSLOTS; 334391062ae0SGerd Hoffmann } 334491062ae0SGerd Hoffmann if (xhci->numslots < 1) { 334591062ae0SGerd Hoffmann xhci->numslots = 1; 334691062ae0SGerd Hoffmann } 33472aa6bfcbSGerd Hoffmann if (xhci_get_flag(xhci, XHCI_FLAG_ENABLE_STREAMS)) { 33482aa6bfcbSGerd Hoffmann xhci->max_pstreams_mask = 7; /* == 256 primary streams */ 33492aa6bfcbSGerd Hoffmann } else { 33502aa6bfcbSGerd Hoffmann xhci->max_pstreams_mask = 0; 33512aa6bfcbSGerd Hoffmann } 335291062ae0SGerd Hoffmann 335320729dbdSCao jin usb_xhci_init(xhci); 3354bc72ad67SAlex Bligh xhci->mfwrap_timer = timer_new_ns(QEMU_CLOCK_VIRTUAL, xhci_mfwrap_timer, xhci); 335501546fa6SGerd Hoffmann 3356*848db525SGerd Hoffmann memory_region_init(&xhci->mem, OBJECT(dev), "xhci", XHCI_LEN_REGS); 33578ddab8ddSSai Pavan Boddu memory_region_init_io(&xhci->mem_cap, OBJECT(dev), &xhci_cap_ops, xhci, 33581b067564SGerd Hoffmann "capabilities", LEN_CAP); 33598ddab8ddSSai Pavan Boddu memory_region_init_io(&xhci->mem_oper, OBJECT(dev), &xhci_oper_ops, xhci, 33601d8a4e69SGerd Hoffmann "operational", 0x400); 33618ddab8ddSSai Pavan Boddu memory_region_init_io(&xhci->mem_runtime, OBJECT(dev), &xhci_runtime_ops, 33628ddab8ddSSai Pavan Boddu xhci, "runtime", LEN_RUNTIME); 33638ddab8ddSSai Pavan Boddu memory_region_init_io(&xhci->mem_doorbell, OBJECT(dev), &xhci_doorbell_ops, 33648ddab8ddSSai Pavan Boddu xhci, "doorbell", LEN_DOORBELL); 33651b067564SGerd Hoffmann 33661b067564SGerd Hoffmann memory_region_add_subregion(&xhci->mem, 0, &xhci->mem_cap); 33671b067564SGerd Hoffmann memory_region_add_subregion(&xhci->mem, OFF_OPER, &xhci->mem_oper); 33681b067564SGerd Hoffmann memory_region_add_subregion(&xhci->mem, OFF_RUNTIME, &xhci->mem_runtime); 33691b067564SGerd Hoffmann memory_region_add_subregion(&xhci->mem, OFF_DOORBELL, &xhci->mem_doorbell); 33701b067564SGerd Hoffmann 33711d8a4e69SGerd Hoffmann for (i = 0; i < xhci->numports; i++) { 33721d8a4e69SGerd Hoffmann XHCIPort *port = &xhci->ports[i]; 33731d8a4e69SGerd Hoffmann uint32_t offset = OFF_OPER + 0x400 + 0x10 * i; 33741d8a4e69SGerd Hoffmann port->xhci = xhci; 33758ddab8ddSSai Pavan Boddu memory_region_init_io(&port->mem, OBJECT(dev), &xhci_port_ops, port, 33761d8a4e69SGerd Hoffmann port->name, 0x10); 33771d8a4e69SGerd Hoffmann memory_region_add_subregion(&xhci->mem, offset, &port->mem); 33781d8a4e69SGerd Hoffmann } 3379058fdcf5SGerd Hoffmann } 3380f1ae32a1SGerd Hoffmann 33818ddab8ddSSai Pavan Boddu static void usb_xhci_unrealize(DeviceState *dev) 338253c30545SGonglei { 338353c30545SGonglei int i; 338453c30545SGonglei XHCIState *xhci = XHCI(dev); 338553c30545SGonglei 3386d733f74cSGonglei trace_usb_xhci_exit(); 3387d733f74cSGonglei 338853c30545SGonglei for (i = 0; i < xhci->numslots; i++) { 338953c30545SGonglei xhci_disable_slot(xhci, i + 1); 339053c30545SGonglei } 339153c30545SGonglei 339253c30545SGonglei if (xhci->mfwrap_timer) { 339353c30545SGonglei timer_del(xhci->mfwrap_timer); 339453c30545SGonglei timer_free(xhci->mfwrap_timer); 339553c30545SGonglei xhci->mfwrap_timer = NULL; 339653c30545SGonglei } 339753c30545SGonglei 339853c30545SGonglei memory_region_del_subregion(&xhci->mem, &xhci->mem_cap); 339953c30545SGonglei memory_region_del_subregion(&xhci->mem, &xhci->mem_oper); 340053c30545SGonglei memory_region_del_subregion(&xhci->mem, &xhci->mem_runtime); 340153c30545SGonglei memory_region_del_subregion(&xhci->mem, &xhci->mem_doorbell); 340253c30545SGonglei 340353c30545SGonglei for (i = 0; i < xhci->numports; i++) { 340453c30545SGonglei XHCIPort *port = &xhci->ports[i]; 340553c30545SGonglei memory_region_del_subregion(&xhci->mem, &port->mem); 340653c30545SGonglei } 340753c30545SGonglei 340853c30545SGonglei usb_bus_release(&xhci->bus); 340953c30545SGonglei } 341053c30545SGonglei 341137352df3SGerd Hoffmann static int usb_xhci_post_load(void *opaque, int version_id) 341237352df3SGerd Hoffmann { 341337352df3SGerd Hoffmann XHCIState *xhci = opaque; 341437352df3SGerd Hoffmann XHCISlot *slot; 341537352df3SGerd Hoffmann XHCIEPContext *epctx; 341637352df3SGerd Hoffmann dma_addr_t dcbaap, pctx; 341737352df3SGerd Hoffmann uint32_t slot_ctx[4]; 341837352df3SGerd Hoffmann uint32_t ep_ctx[5]; 34198ddab8ddSSai Pavan Boddu int slotid, epid, state; 342037352df3SGerd Hoffmann 342137352df3SGerd Hoffmann dcbaap = xhci_addr64(xhci->dcbaap_low, xhci->dcbaap_high); 342237352df3SGerd Hoffmann 342337352df3SGerd Hoffmann for (slotid = 1; slotid <= xhci->numslots; slotid++) { 342437352df3SGerd Hoffmann slot = &xhci->slots[slotid-1]; 342537352df3SGerd Hoffmann if (!slot->addressed) { 342637352df3SGerd Hoffmann continue; 342737352df3SGerd Hoffmann } 342837352df3SGerd Hoffmann slot->ctx = 3429a5317074SSai Pavan Boddu xhci_mask64(ldq_le_dma(xhci->as, dcbaap + 8 * slotid)); 343037352df3SGerd Hoffmann xhci_dma_read_u32s(xhci, slot->ctx, slot_ctx, sizeof(slot_ctx)); 343137352df3SGerd Hoffmann slot->uport = xhci_lookup_uport(xhci, slot_ctx); 3432f2ad97ffSGerd Hoffmann if (!slot->uport) { 3433f2ad97ffSGerd Hoffmann /* should not happen, but may trigger on guest bugs */ 3434f2ad97ffSGerd Hoffmann slot->enabled = 0; 3435f2ad97ffSGerd Hoffmann slot->addressed = 0; 3436f2ad97ffSGerd Hoffmann continue; 3437f2ad97ffSGerd Hoffmann } 343837352df3SGerd Hoffmann assert(slot->uport && slot->uport->dev); 343937352df3SGerd Hoffmann 3440f6969b9fSGerd Hoffmann for (epid = 1; epid <= 31; epid++) { 344137352df3SGerd Hoffmann pctx = slot->ctx + 32 * epid; 344237352df3SGerd Hoffmann xhci_dma_read_u32s(xhci, pctx, ep_ctx, sizeof(ep_ctx)); 344337352df3SGerd Hoffmann state = ep_ctx[0] & EP_STATE_MASK; 344437352df3SGerd Hoffmann if (state == EP_DISABLED) { 344537352df3SGerd Hoffmann continue; 344637352df3SGerd Hoffmann } 344737352df3SGerd Hoffmann epctx = xhci_alloc_epctx(xhci, slotid, epid); 344837352df3SGerd Hoffmann slot->eps[epid-1] = epctx; 344937352df3SGerd Hoffmann xhci_init_epctx(epctx, pctx, ep_ctx); 345037352df3SGerd Hoffmann epctx->state = state; 345137352df3SGerd Hoffmann if (state == EP_RUNNING) { 345237352df3SGerd Hoffmann /* kick endpoint after vmload is finished */ 3453bc72ad67SAlex Bligh timer_mod(epctx->kick_timer, qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL)); 345437352df3SGerd Hoffmann } 345537352df3SGerd Hoffmann } 345637352df3SGerd Hoffmann } 345737352df3SGerd Hoffmann return 0; 345837352df3SGerd Hoffmann } 345937352df3SGerd Hoffmann 346037352df3SGerd Hoffmann static const VMStateDescription vmstate_xhci_ring = { 346137352df3SGerd Hoffmann .name = "xhci-ring", 346237352df3SGerd Hoffmann .version_id = 1, 346337352df3SGerd Hoffmann .fields = (VMStateField[]) { 346437352df3SGerd Hoffmann VMSTATE_UINT64(dequeue, XHCIRing), 346537352df3SGerd Hoffmann VMSTATE_BOOL(ccs, XHCIRing), 346637352df3SGerd Hoffmann VMSTATE_END_OF_LIST() 346737352df3SGerd Hoffmann } 346837352df3SGerd Hoffmann }; 346937352df3SGerd Hoffmann 347037352df3SGerd Hoffmann static const VMStateDescription vmstate_xhci_port = { 347137352df3SGerd Hoffmann .name = "xhci-port", 347237352df3SGerd Hoffmann .version_id = 1, 347337352df3SGerd Hoffmann .fields = (VMStateField[]) { 347437352df3SGerd Hoffmann VMSTATE_UINT32(portsc, XHCIPort), 347537352df3SGerd Hoffmann VMSTATE_END_OF_LIST() 347637352df3SGerd Hoffmann } 347737352df3SGerd Hoffmann }; 347837352df3SGerd Hoffmann 347937352df3SGerd Hoffmann static const VMStateDescription vmstate_xhci_slot = { 348037352df3SGerd Hoffmann .name = "xhci-slot", 348137352df3SGerd Hoffmann .version_id = 1, 348237352df3SGerd Hoffmann .fields = (VMStateField[]) { 348337352df3SGerd Hoffmann VMSTATE_BOOL(enabled, XHCISlot), 348437352df3SGerd Hoffmann VMSTATE_BOOL(addressed, XHCISlot), 348537352df3SGerd Hoffmann VMSTATE_END_OF_LIST() 348637352df3SGerd Hoffmann } 348737352df3SGerd Hoffmann }; 348837352df3SGerd Hoffmann 348937352df3SGerd Hoffmann static const VMStateDescription vmstate_xhci_event = { 349037352df3SGerd Hoffmann .name = "xhci-event", 349137352df3SGerd Hoffmann .version_id = 1, 349237352df3SGerd Hoffmann .fields = (VMStateField[]) { 349337352df3SGerd Hoffmann VMSTATE_UINT32(type, XHCIEvent), 349437352df3SGerd Hoffmann VMSTATE_UINT32(ccode, XHCIEvent), 349537352df3SGerd Hoffmann VMSTATE_UINT64(ptr, XHCIEvent), 349637352df3SGerd Hoffmann VMSTATE_UINT32(length, XHCIEvent), 349737352df3SGerd Hoffmann VMSTATE_UINT32(flags, XHCIEvent), 349837352df3SGerd Hoffmann VMSTATE_UINT8(slotid, XHCIEvent), 349937352df3SGerd Hoffmann VMSTATE_UINT8(epid, XHCIEvent), 35003afca1d6SLaszlo Ersek VMSTATE_END_OF_LIST() 350137352df3SGerd Hoffmann } 350237352df3SGerd Hoffmann }; 350337352df3SGerd Hoffmann 350437352df3SGerd Hoffmann static bool xhci_er_full(void *opaque, int version_id) 350537352df3SGerd Hoffmann { 3506898248a3SGerd Hoffmann return false; 350737352df3SGerd Hoffmann } 350837352df3SGerd Hoffmann 350937352df3SGerd Hoffmann static const VMStateDescription vmstate_xhci_intr = { 351037352df3SGerd Hoffmann .name = "xhci-intr", 351137352df3SGerd Hoffmann .version_id = 1, 351237352df3SGerd Hoffmann .fields = (VMStateField[]) { 351337352df3SGerd Hoffmann /* registers */ 351437352df3SGerd Hoffmann VMSTATE_UINT32(iman, XHCIInterrupter), 351537352df3SGerd Hoffmann VMSTATE_UINT32(imod, XHCIInterrupter), 351637352df3SGerd Hoffmann VMSTATE_UINT32(erstsz, XHCIInterrupter), 351737352df3SGerd Hoffmann VMSTATE_UINT32(erstba_low, XHCIInterrupter), 351837352df3SGerd Hoffmann VMSTATE_UINT32(erstba_high, XHCIInterrupter), 351937352df3SGerd Hoffmann VMSTATE_UINT32(erdp_low, XHCIInterrupter), 352037352df3SGerd Hoffmann VMSTATE_UINT32(erdp_high, XHCIInterrupter), 352137352df3SGerd Hoffmann 352237352df3SGerd Hoffmann /* state */ 352337352df3SGerd Hoffmann VMSTATE_BOOL(msix_used, XHCIInterrupter), 352437352df3SGerd Hoffmann VMSTATE_BOOL(er_pcs, XHCIInterrupter), 352537352df3SGerd Hoffmann VMSTATE_UINT64(er_start, XHCIInterrupter), 352637352df3SGerd Hoffmann VMSTATE_UINT32(er_size, XHCIInterrupter), 352737352df3SGerd Hoffmann VMSTATE_UINT32(er_ep_idx, XHCIInterrupter), 352837352df3SGerd Hoffmann 352937352df3SGerd Hoffmann /* event queue (used if ring is full) */ 3530898248a3SGerd Hoffmann VMSTATE_BOOL(er_full_unused, XHCIInterrupter), 353137352df3SGerd Hoffmann VMSTATE_UINT32_TEST(ev_buffer_put, XHCIInterrupter, xhci_er_full), 353237352df3SGerd Hoffmann VMSTATE_UINT32_TEST(ev_buffer_get, XHCIInterrupter, xhci_er_full), 353337352df3SGerd Hoffmann VMSTATE_STRUCT_ARRAY_TEST(ev_buffer, XHCIInterrupter, EV_QUEUE, 353437352df3SGerd Hoffmann xhci_er_full, 1, 353537352df3SGerd Hoffmann vmstate_xhci_event, XHCIEvent), 353637352df3SGerd Hoffmann 353737352df3SGerd Hoffmann VMSTATE_END_OF_LIST() 353837352df3SGerd Hoffmann } 353937352df3SGerd Hoffmann }; 354037352df3SGerd Hoffmann 35418ddab8ddSSai Pavan Boddu const VMStateDescription vmstate_xhci = { 35428ddab8ddSSai Pavan Boddu .name = "xhci-core", 354337352df3SGerd Hoffmann .version_id = 1, 354437352df3SGerd Hoffmann .post_load = usb_xhci_post_load, 354537352df3SGerd Hoffmann .fields = (VMStateField[]) { 354637352df3SGerd Hoffmann VMSTATE_STRUCT_VARRAY_UINT32(ports, XHCIState, numports, 1, 354737352df3SGerd Hoffmann vmstate_xhci_port, XHCIPort), 354837352df3SGerd Hoffmann VMSTATE_STRUCT_VARRAY_UINT32(slots, XHCIState, numslots, 1, 354937352df3SGerd Hoffmann vmstate_xhci_slot, XHCISlot), 355037352df3SGerd Hoffmann VMSTATE_STRUCT_VARRAY_UINT32(intr, XHCIState, numintrs, 1, 355137352df3SGerd Hoffmann vmstate_xhci_intr, XHCIInterrupter), 355237352df3SGerd Hoffmann 355337352df3SGerd Hoffmann /* Operational Registers */ 355437352df3SGerd Hoffmann VMSTATE_UINT32(usbcmd, XHCIState), 355537352df3SGerd Hoffmann VMSTATE_UINT32(usbsts, XHCIState), 355637352df3SGerd Hoffmann VMSTATE_UINT32(dnctrl, XHCIState), 355737352df3SGerd Hoffmann VMSTATE_UINT32(crcr_low, XHCIState), 355837352df3SGerd Hoffmann VMSTATE_UINT32(crcr_high, XHCIState), 355937352df3SGerd Hoffmann VMSTATE_UINT32(dcbaap_low, XHCIState), 356037352df3SGerd Hoffmann VMSTATE_UINT32(dcbaap_high, XHCIState), 356137352df3SGerd Hoffmann VMSTATE_UINT32(config, XHCIState), 356237352df3SGerd Hoffmann 356337352df3SGerd Hoffmann /* Runtime Registers & state */ 356437352df3SGerd Hoffmann VMSTATE_INT64(mfindex_start, XHCIState), 3565e720677eSPaolo Bonzini VMSTATE_TIMER_PTR(mfwrap_timer, XHCIState), 356637352df3SGerd Hoffmann VMSTATE_STRUCT(cmd_ring, XHCIState, 1, vmstate_xhci_ring, XHCIRing), 356737352df3SGerd Hoffmann 356837352df3SGerd Hoffmann VMSTATE_END_OF_LIST() 356937352df3SGerd Hoffmann } 3570f1ae32a1SGerd Hoffmann }; 3571f1ae32a1SGerd Hoffmann 35724f72b8d2SGerd Hoffmann static Property xhci_properties[] = { 35734f72b8d2SGerd Hoffmann DEFINE_PROP_BIT("streams", XHCIState, flags, 35744f72b8d2SGerd Hoffmann XHCI_FLAG_ENABLE_STREAMS, true), 35750846e635SGerd Hoffmann DEFINE_PROP_UINT32("p2", XHCIState, numports_2, 4), 35760846e635SGerd Hoffmann DEFINE_PROP_UINT32("p3", XHCIState, numports_3, 4), 35778ddab8ddSSai Pavan Boddu DEFINE_PROP_LINK("host", XHCIState, hostOpaque, TYPE_DEVICE, 35788ddab8ddSSai Pavan Boddu DeviceState *), 3579f1ae32a1SGerd Hoffmann DEFINE_PROP_END_OF_LIST(), 3580f1ae32a1SGerd Hoffmann }; 3581f1ae32a1SGerd Hoffmann 3582f1ae32a1SGerd Hoffmann static void xhci_class_init(ObjectClass *klass, void *data) 3583f1ae32a1SGerd Hoffmann { 3584f1ae32a1SGerd Hoffmann DeviceClass *dc = DEVICE_CLASS(klass); 3585f1ae32a1SGerd Hoffmann 35868ddab8ddSSai Pavan Boddu dc->realize = usb_xhci_realize; 35878ddab8ddSSai Pavan Boddu dc->unrealize = usb_xhci_unrealize; 358864619739SJan Kiszka dc->reset = xhci_reset; 35898ddab8ddSSai Pavan Boddu device_class_set_props(dc, xhci_properties); 35908ddab8ddSSai Pavan Boddu dc->user_creatable = false; 3591f1ae32a1SGerd Hoffmann } 3592f1ae32a1SGerd Hoffmann 35938c43a6f0SAndreas Färber static const TypeInfo xhci_info = { 359437034575SPeter Crosthwaite .name = TYPE_XHCI, 35958ddab8ddSSai Pavan Boddu .parent = TYPE_DEVICE, 3596f1ae32a1SGerd Hoffmann .instance_size = sizeof(XHCIState), 3597f1ae32a1SGerd Hoffmann .class_init = xhci_class_init, 359872a810f4SGerd Hoffmann }; 359972a810f4SGerd Hoffmann 3600f1ae32a1SGerd Hoffmann static void xhci_register_types(void) 3601f1ae32a1SGerd Hoffmann { 3602f1ae32a1SGerd Hoffmann type_register_static(&xhci_info); 3603f1ae32a1SGerd Hoffmann } 3604f1ae32a1SGerd Hoffmann 3605f1ae32a1SGerd Hoffmann type_init(xhci_register_types) 3606