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" 26f1ae32a1SGerd Hoffmann #include "hw/usb.h" 27d6454270SMarkus Armbruster #include "migration/vmstate.h" 28a2cb15b0SMichael S. Tsirkin #include "hw/pci/pci.h" 29a27bd6c7SMarkus Armbruster #include "hw/qdev-properties.h" 30a2cb15b0SMichael S. Tsirkin #include "hw/pci/msi.h" 31a2cb15b0SMichael S. Tsirkin #include "hw/pci/msix.h" 322d754a10SGerd Hoffmann #include "trace.h" 331108b2f8SCao jin #include "qapi/error.h" 34f1ae32a1SGerd Hoffmann 350bbb2f3dSGerd Hoffmann #include "hcd-xhci.h" 360bbb2f3dSGerd Hoffmann 37f1ae32a1SGerd Hoffmann //#define DEBUG_XHCI 38f1ae32a1SGerd Hoffmann //#define DEBUG_DATA 39f1ae32a1SGerd Hoffmann 40f1ae32a1SGerd Hoffmann #ifdef DEBUG_XHCI 41f1ae32a1SGerd Hoffmann #define DPRINTF(...) fprintf(stderr, __VA_ARGS__) 42f1ae32a1SGerd Hoffmann #else 43f1ae32a1SGerd Hoffmann #define DPRINTF(...) do {} while (0) 44f1ae32a1SGerd Hoffmann #endif 45024426acSGerd Hoffmann #define FIXME(_msg) do { fprintf(stderr, "FIXME %s:%d %s\n", \ 46024426acSGerd Hoffmann __func__, __LINE__, _msg); abort(); } while (0) 47f1ae32a1SGerd Hoffmann 4899f9aebaSLadi Prosek #define TRB_LINK_LIMIT 32 49f89b60f6SGerd Hoffmann #define COMMAND_LIMIT 256 50f89b60f6SGerd Hoffmann #define TRANSFER_LIMIT 256 5105f43d44SGerd Hoffmann 52f1ae32a1SGerd Hoffmann #define LEN_CAP 0x40 53f1ae32a1SGerd Hoffmann #define LEN_OPER (0x400 + 0x10 * MAXPORTS) 54106b214cSGerd Hoffmann #define LEN_RUNTIME ((MAXINTRS + 1) * 0x20) 55f1ae32a1SGerd Hoffmann #define LEN_DOORBELL ((MAXSLOTS + 1) * 0x20) 56f1ae32a1SGerd Hoffmann 57106b214cSGerd Hoffmann #define OFF_OPER LEN_CAP 58106b214cSGerd Hoffmann #define OFF_RUNTIME 0x1000 59106b214cSGerd Hoffmann #define OFF_DOORBELL 0x2000 604c47f800SGerd Hoffmann #define OFF_MSIX_TABLE 0x3000 614c47f800SGerd Hoffmann #define OFF_MSIX_PBA 0x3800 62f1ae32a1SGerd Hoffmann /* must be power of 2 */ 63106b214cSGerd Hoffmann #define LEN_REGS 0x4000 64f1ae32a1SGerd Hoffmann 65106b214cSGerd Hoffmann #if (OFF_OPER + LEN_OPER) > OFF_RUNTIME 66106b214cSGerd Hoffmann #error Increase OFF_RUNTIME 67106b214cSGerd Hoffmann #endif 68106b214cSGerd Hoffmann #if (OFF_RUNTIME + LEN_RUNTIME) > OFF_DOORBELL 69106b214cSGerd Hoffmann #error Increase OFF_DOORBELL 70106b214cSGerd Hoffmann #endif 71f1ae32a1SGerd Hoffmann #if (OFF_DOORBELL + LEN_DOORBELL) > LEN_REGS 72f1ae32a1SGerd Hoffmann # error Increase LEN_REGS 73f1ae32a1SGerd Hoffmann #endif 74f1ae32a1SGerd Hoffmann 75f1ae32a1SGerd Hoffmann /* bit definitions */ 76f1ae32a1SGerd Hoffmann #define USBCMD_RS (1<<0) 77f1ae32a1SGerd Hoffmann #define USBCMD_HCRST (1<<1) 78f1ae32a1SGerd Hoffmann #define USBCMD_INTE (1<<2) 79f1ae32a1SGerd Hoffmann #define USBCMD_HSEE (1<<3) 80f1ae32a1SGerd Hoffmann #define USBCMD_LHCRST (1<<7) 81f1ae32a1SGerd Hoffmann #define USBCMD_CSS (1<<8) 82f1ae32a1SGerd Hoffmann #define USBCMD_CRS (1<<9) 83f1ae32a1SGerd Hoffmann #define USBCMD_EWE (1<<10) 84f1ae32a1SGerd Hoffmann #define USBCMD_EU3S (1<<11) 85f1ae32a1SGerd Hoffmann 86f1ae32a1SGerd Hoffmann #define USBSTS_HCH (1<<0) 87f1ae32a1SGerd Hoffmann #define USBSTS_HSE (1<<2) 88f1ae32a1SGerd Hoffmann #define USBSTS_EINT (1<<3) 89f1ae32a1SGerd Hoffmann #define USBSTS_PCD (1<<4) 90f1ae32a1SGerd Hoffmann #define USBSTS_SSS (1<<8) 91f1ae32a1SGerd Hoffmann #define USBSTS_RSS (1<<9) 92f1ae32a1SGerd Hoffmann #define USBSTS_SRE (1<<10) 93f1ae32a1SGerd Hoffmann #define USBSTS_CNR (1<<11) 94f1ae32a1SGerd Hoffmann #define USBSTS_HCE (1<<12) 95f1ae32a1SGerd Hoffmann 96f1ae32a1SGerd Hoffmann 97f1ae32a1SGerd Hoffmann #define PORTSC_CCS (1<<0) 98f1ae32a1SGerd Hoffmann #define PORTSC_PED (1<<1) 99f1ae32a1SGerd Hoffmann #define PORTSC_OCA (1<<3) 100f1ae32a1SGerd Hoffmann #define PORTSC_PR (1<<4) 101f1ae32a1SGerd Hoffmann #define PORTSC_PLS_SHIFT 5 102f1ae32a1SGerd Hoffmann #define PORTSC_PLS_MASK 0xf 103f1ae32a1SGerd Hoffmann #define PORTSC_PP (1<<9) 104f1ae32a1SGerd Hoffmann #define PORTSC_SPEED_SHIFT 10 105f1ae32a1SGerd Hoffmann #define PORTSC_SPEED_MASK 0xf 106f1ae32a1SGerd Hoffmann #define PORTSC_SPEED_FULL (1<<10) 107f1ae32a1SGerd Hoffmann #define PORTSC_SPEED_LOW (2<<10) 108f1ae32a1SGerd Hoffmann #define PORTSC_SPEED_HIGH (3<<10) 109f1ae32a1SGerd Hoffmann #define PORTSC_SPEED_SUPER (4<<10) 110f1ae32a1SGerd Hoffmann #define PORTSC_PIC_SHIFT 14 111f1ae32a1SGerd Hoffmann #define PORTSC_PIC_MASK 0x3 112f1ae32a1SGerd Hoffmann #define PORTSC_LWS (1<<16) 113f1ae32a1SGerd Hoffmann #define PORTSC_CSC (1<<17) 114f1ae32a1SGerd Hoffmann #define PORTSC_PEC (1<<18) 115f1ae32a1SGerd Hoffmann #define PORTSC_WRC (1<<19) 116f1ae32a1SGerd Hoffmann #define PORTSC_OCC (1<<20) 117f1ae32a1SGerd Hoffmann #define PORTSC_PRC (1<<21) 118f1ae32a1SGerd Hoffmann #define PORTSC_PLC (1<<22) 119f1ae32a1SGerd Hoffmann #define PORTSC_CEC (1<<23) 120f1ae32a1SGerd Hoffmann #define PORTSC_CAS (1<<24) 121f1ae32a1SGerd Hoffmann #define PORTSC_WCE (1<<25) 122f1ae32a1SGerd Hoffmann #define PORTSC_WDE (1<<26) 123f1ae32a1SGerd Hoffmann #define PORTSC_WOE (1<<27) 124f1ae32a1SGerd Hoffmann #define PORTSC_DR (1<<30) 125f1ae32a1SGerd Hoffmann #define PORTSC_WPR (1<<31) 126f1ae32a1SGerd Hoffmann 127f1ae32a1SGerd Hoffmann #define CRCR_RCS (1<<0) 128f1ae32a1SGerd Hoffmann #define CRCR_CS (1<<1) 129f1ae32a1SGerd Hoffmann #define CRCR_CA (1<<2) 130f1ae32a1SGerd Hoffmann #define CRCR_CRR (1<<3) 131f1ae32a1SGerd Hoffmann 132f1ae32a1SGerd Hoffmann #define IMAN_IP (1<<0) 133f1ae32a1SGerd Hoffmann #define IMAN_IE (1<<1) 134f1ae32a1SGerd Hoffmann 135f1ae32a1SGerd Hoffmann #define ERDP_EHB (1<<3) 136f1ae32a1SGerd Hoffmann 137f1ae32a1SGerd Hoffmann #define TRB_SIZE 16 138f1ae32a1SGerd Hoffmann typedef struct XHCITRB { 139f1ae32a1SGerd Hoffmann uint64_t parameter; 140f1ae32a1SGerd Hoffmann uint32_t status; 141f1ae32a1SGerd Hoffmann uint32_t control; 14259a70ccdSDavid Gibson dma_addr_t addr; 143f1ae32a1SGerd Hoffmann bool ccs; 144f1ae32a1SGerd Hoffmann } XHCITRB; 145f1ae32a1SGerd Hoffmann 14685e05d82SGerd Hoffmann enum { 14785e05d82SGerd Hoffmann PLS_U0 = 0, 14885e05d82SGerd Hoffmann PLS_U1 = 1, 14985e05d82SGerd Hoffmann PLS_U2 = 2, 15085e05d82SGerd Hoffmann PLS_U3 = 3, 15185e05d82SGerd Hoffmann PLS_DISABLED = 4, 15285e05d82SGerd Hoffmann PLS_RX_DETECT = 5, 15385e05d82SGerd Hoffmann PLS_INACTIVE = 6, 15485e05d82SGerd Hoffmann PLS_POLLING = 7, 15585e05d82SGerd Hoffmann PLS_RECOVERY = 8, 15685e05d82SGerd Hoffmann PLS_HOT_RESET = 9, 15785e05d82SGerd Hoffmann PLS_COMPILANCE_MODE = 10, 15885e05d82SGerd Hoffmann PLS_TEST_MODE = 11, 15985e05d82SGerd Hoffmann PLS_RESUME = 15, 16085e05d82SGerd Hoffmann }; 161f1ae32a1SGerd Hoffmann 162f1ae32a1SGerd Hoffmann #define CR_LINK TR_LINK 163f1ae32a1SGerd Hoffmann 164f1ae32a1SGerd Hoffmann #define TRB_C (1<<0) 165f1ae32a1SGerd Hoffmann #define TRB_TYPE_SHIFT 10 166f1ae32a1SGerd Hoffmann #define TRB_TYPE_MASK 0x3f 167f1ae32a1SGerd Hoffmann #define TRB_TYPE(t) (((t).control >> TRB_TYPE_SHIFT) & TRB_TYPE_MASK) 168f1ae32a1SGerd Hoffmann 169f1ae32a1SGerd Hoffmann #define TRB_EV_ED (1<<2) 170f1ae32a1SGerd Hoffmann 171f1ae32a1SGerd Hoffmann #define TRB_TR_ENT (1<<1) 172f1ae32a1SGerd Hoffmann #define TRB_TR_ISP (1<<2) 173f1ae32a1SGerd Hoffmann #define TRB_TR_NS (1<<3) 174f1ae32a1SGerd Hoffmann #define TRB_TR_CH (1<<4) 175f1ae32a1SGerd Hoffmann #define TRB_TR_IOC (1<<5) 176f1ae32a1SGerd Hoffmann #define TRB_TR_IDT (1<<6) 177f1ae32a1SGerd Hoffmann #define TRB_TR_TBC_SHIFT 7 178f1ae32a1SGerd Hoffmann #define TRB_TR_TBC_MASK 0x3 179f1ae32a1SGerd Hoffmann #define TRB_TR_BEI (1<<9) 180f1ae32a1SGerd Hoffmann #define TRB_TR_TLBPC_SHIFT 16 181f1ae32a1SGerd Hoffmann #define TRB_TR_TLBPC_MASK 0xf 182f1ae32a1SGerd Hoffmann #define TRB_TR_FRAMEID_SHIFT 20 183f1ae32a1SGerd Hoffmann #define TRB_TR_FRAMEID_MASK 0x7ff 184f1ae32a1SGerd Hoffmann #define TRB_TR_SIA (1<<31) 185f1ae32a1SGerd Hoffmann 186f1ae32a1SGerd Hoffmann #define TRB_TR_DIR (1<<16) 187f1ae32a1SGerd Hoffmann 188f1ae32a1SGerd Hoffmann #define TRB_CR_SLOTID_SHIFT 24 189f1ae32a1SGerd Hoffmann #define TRB_CR_SLOTID_MASK 0xff 190f1ae32a1SGerd Hoffmann #define TRB_CR_EPID_SHIFT 16 191f1ae32a1SGerd Hoffmann #define TRB_CR_EPID_MASK 0x1f 192f1ae32a1SGerd Hoffmann 193f1ae32a1SGerd Hoffmann #define TRB_CR_BSR (1<<9) 194f1ae32a1SGerd Hoffmann #define TRB_CR_DC (1<<9) 195f1ae32a1SGerd Hoffmann 196f1ae32a1SGerd Hoffmann #define TRB_LK_TC (1<<1) 197f1ae32a1SGerd Hoffmann 1982d1de850SGerd Hoffmann #define TRB_INTR_SHIFT 22 1992d1de850SGerd Hoffmann #define TRB_INTR_MASK 0x3ff 2002d1de850SGerd Hoffmann #define TRB_INTR(t) (((t).status >> TRB_INTR_SHIFT) & TRB_INTR_MASK) 2012d1de850SGerd Hoffmann 202f1ae32a1SGerd Hoffmann #define EP_TYPE_MASK 0x7 203f1ae32a1SGerd Hoffmann #define EP_TYPE_SHIFT 3 204f1ae32a1SGerd Hoffmann 205f1ae32a1SGerd Hoffmann #define EP_STATE_MASK 0x7 206f1ae32a1SGerd Hoffmann #define EP_DISABLED (0<<0) 207f1ae32a1SGerd Hoffmann #define EP_RUNNING (1<<0) 208f1ae32a1SGerd Hoffmann #define EP_HALTED (2<<0) 209f1ae32a1SGerd Hoffmann #define EP_STOPPED (3<<0) 210f1ae32a1SGerd Hoffmann #define EP_ERROR (4<<0) 211f1ae32a1SGerd Hoffmann 212f1ae32a1SGerd Hoffmann #define SLOT_STATE_MASK 0x1f 213f1ae32a1SGerd Hoffmann #define SLOT_STATE_SHIFT 27 214f1ae32a1SGerd Hoffmann #define SLOT_STATE(s) (((s)>>SLOT_STATE_SHIFT)&SLOT_STATE_MASK) 215f1ae32a1SGerd Hoffmann #define SLOT_ENABLED 0 216f1ae32a1SGerd Hoffmann #define SLOT_DEFAULT 1 217f1ae32a1SGerd Hoffmann #define SLOT_ADDRESSED 2 218f1ae32a1SGerd Hoffmann #define SLOT_CONFIGURED 3 219f1ae32a1SGerd Hoffmann 220f1ae32a1SGerd Hoffmann #define SLOT_CONTEXT_ENTRIES_MASK 0x1f 221f1ae32a1SGerd Hoffmann #define SLOT_CONTEXT_ENTRIES_SHIFT 27 222f1ae32a1SGerd Hoffmann 22385e05d82SGerd Hoffmann #define get_field(data, field) \ 22485e05d82SGerd Hoffmann (((data) >> field##_SHIFT) & field##_MASK) 22585e05d82SGerd Hoffmann 22685e05d82SGerd Hoffmann #define set_field(data, newval, field) do { \ 22785e05d82SGerd Hoffmann uint32_t val = *data; \ 22885e05d82SGerd Hoffmann val &= ~(field##_MASK << field##_SHIFT); \ 22985e05d82SGerd Hoffmann val |= ((newval) & field##_MASK) << field##_SHIFT; \ 23085e05d82SGerd Hoffmann *data = val; \ 23185e05d82SGerd Hoffmann } while (0) 23285e05d82SGerd Hoffmann 233f1ae32a1SGerd Hoffmann typedef enum EPType { 234f1ae32a1SGerd Hoffmann ET_INVALID = 0, 235f1ae32a1SGerd Hoffmann ET_ISO_OUT, 236f1ae32a1SGerd Hoffmann ET_BULK_OUT, 237f1ae32a1SGerd Hoffmann ET_INTR_OUT, 238f1ae32a1SGerd Hoffmann ET_CONTROL, 239f1ae32a1SGerd Hoffmann ET_ISO_IN, 240f1ae32a1SGerd Hoffmann ET_BULK_IN, 241f1ae32a1SGerd Hoffmann ET_INTR_IN, 242f1ae32a1SGerd Hoffmann } EPType; 243f1ae32a1SGerd Hoffmann 244f1ae32a1SGerd Hoffmann typedef struct XHCITransfer { 24594b037f2SGerd Hoffmann XHCIEPContext *epctx; 246f1ae32a1SGerd Hoffmann USBPacket packet; 247d5a15814SGerd Hoffmann QEMUSGList sgl; 248f1ae32a1SGerd Hoffmann bool running_async; 249f1ae32a1SGerd Hoffmann bool running_retry; 250f1ae32a1SGerd Hoffmann bool complete; 251a6fb2ddbSHans de Goede bool int_req; 252f1ae32a1SGerd Hoffmann unsigned int iso_pkts; 253024426acSGerd Hoffmann unsigned int streamid; 254f1ae32a1SGerd Hoffmann bool in_xfer; 255f1ae32a1SGerd Hoffmann bool iso_xfer; 2564d7a81c0SGerd Hoffmann bool timed_xfer; 257f1ae32a1SGerd Hoffmann 258f1ae32a1SGerd Hoffmann unsigned int trb_count; 259f1ae32a1SGerd Hoffmann XHCITRB *trbs; 260f1ae32a1SGerd Hoffmann 261f1ae32a1SGerd Hoffmann TRBCCode status; 262f1ae32a1SGerd Hoffmann 263f1ae32a1SGerd Hoffmann unsigned int pkts; 264f1ae32a1SGerd Hoffmann unsigned int pktsize; 265f1ae32a1SGerd Hoffmann unsigned int cur_pkt; 2663d139684SGerd Hoffmann 2673d139684SGerd Hoffmann uint64_t mfindex_kick; 26894b037f2SGerd Hoffmann 26994b037f2SGerd Hoffmann QTAILQ_ENTRY(XHCITransfer) next; 270f1ae32a1SGerd Hoffmann } XHCITransfer; 271f1ae32a1SGerd Hoffmann 272024426acSGerd Hoffmann struct XHCIStreamContext { 273024426acSGerd Hoffmann dma_addr_t pctx; 274024426acSGerd Hoffmann unsigned int sct; 275024426acSGerd Hoffmann XHCIRing ring; 276024426acSGerd Hoffmann }; 277024426acSGerd Hoffmann 278024426acSGerd Hoffmann struct XHCIEPContext { 2793d139684SGerd Hoffmann XHCIState *xhci; 2803d139684SGerd Hoffmann unsigned int slotid; 2813d139684SGerd Hoffmann unsigned int epid; 2823d139684SGerd Hoffmann 283f1ae32a1SGerd Hoffmann XHCIRing ring; 28494b037f2SGerd Hoffmann uint32_t xfer_count; 28594b037f2SGerd Hoffmann QTAILQ_HEAD(, XHCITransfer) transfers; 286f1ae32a1SGerd Hoffmann XHCITransfer *retry; 287f1ae32a1SGerd Hoffmann EPType type; 28859a70ccdSDavid Gibson dma_addr_t pctx; 289f1ae32a1SGerd Hoffmann unsigned int max_psize; 290f1ae32a1SGerd Hoffmann uint32_t state; 29196d87bddSGerd Hoffmann uint32_t kick_active; 2923d139684SGerd Hoffmann 293024426acSGerd Hoffmann /* streams */ 294024426acSGerd Hoffmann unsigned int max_pstreams; 295024426acSGerd Hoffmann bool lsa; 296024426acSGerd Hoffmann unsigned int nr_pstreams; 297024426acSGerd Hoffmann XHCIStreamContext *pstreams; 298024426acSGerd Hoffmann 2993d139684SGerd Hoffmann /* iso xfer scheduling */ 3003d139684SGerd Hoffmann unsigned int interval; 3013d139684SGerd Hoffmann int64_t mfindex_last; 3023d139684SGerd Hoffmann QEMUTimer *kick_timer; 303024426acSGerd Hoffmann }; 304f1ae32a1SGerd Hoffmann 305f1ae32a1SGerd Hoffmann typedef struct XHCIEvRingSeg { 306f1ae32a1SGerd Hoffmann uint32_t addr_low; 307f1ae32a1SGerd Hoffmann uint32_t addr_high; 308f1ae32a1SGerd Hoffmann uint32_t size; 309f1ae32a1SGerd Hoffmann uint32_t rsvd; 310f1ae32a1SGerd Hoffmann } XHCIEvRingSeg; 311f1ae32a1SGerd Hoffmann 31201546fa6SGerd Hoffmann static void xhci_kick_ep(XHCIState *xhci, unsigned int slotid, 313024426acSGerd Hoffmann unsigned int epid, unsigned int streamid); 3143a533ee8SGerd Hoffmann static void xhci_kick_epctx(XHCIEPContext *epctx, unsigned int streamid); 3150bc85da6SGerd Hoffmann static TRBCCode xhci_disable_ep(XHCIState *xhci, unsigned int slotid, 3160bc85da6SGerd Hoffmann unsigned int epid); 317582d6f4aSHans de Goede static void xhci_xfer_report(XHCITransfer *xfer); 318962d11e1SGerd Hoffmann static void xhci_event(XHCIState *xhci, XHCIEvent *event, int v); 319962d11e1SGerd Hoffmann static void xhci_write_event(XHCIState *xhci, XHCIEvent *event, int v); 320070eeef9SGerd Hoffmann static USBEndpoint *xhci_epid_to_usbep(XHCIEPContext *epctx); 32101546fa6SGerd Hoffmann 322f1ae32a1SGerd Hoffmann static const char *TRBType_names[] = { 323f1ae32a1SGerd Hoffmann [TRB_RESERVED] = "TRB_RESERVED", 324f1ae32a1SGerd Hoffmann [TR_NORMAL] = "TR_NORMAL", 325f1ae32a1SGerd Hoffmann [TR_SETUP] = "TR_SETUP", 326f1ae32a1SGerd Hoffmann [TR_DATA] = "TR_DATA", 327f1ae32a1SGerd Hoffmann [TR_STATUS] = "TR_STATUS", 328f1ae32a1SGerd Hoffmann [TR_ISOCH] = "TR_ISOCH", 329f1ae32a1SGerd Hoffmann [TR_LINK] = "TR_LINK", 330f1ae32a1SGerd Hoffmann [TR_EVDATA] = "TR_EVDATA", 331f1ae32a1SGerd Hoffmann [TR_NOOP] = "TR_NOOP", 332f1ae32a1SGerd Hoffmann [CR_ENABLE_SLOT] = "CR_ENABLE_SLOT", 333f1ae32a1SGerd Hoffmann [CR_DISABLE_SLOT] = "CR_DISABLE_SLOT", 334f1ae32a1SGerd Hoffmann [CR_ADDRESS_DEVICE] = "CR_ADDRESS_DEVICE", 335f1ae32a1SGerd Hoffmann [CR_CONFIGURE_ENDPOINT] = "CR_CONFIGURE_ENDPOINT", 336f1ae32a1SGerd Hoffmann [CR_EVALUATE_CONTEXT] = "CR_EVALUATE_CONTEXT", 337f1ae32a1SGerd Hoffmann [CR_RESET_ENDPOINT] = "CR_RESET_ENDPOINT", 338f1ae32a1SGerd Hoffmann [CR_STOP_ENDPOINT] = "CR_STOP_ENDPOINT", 339f1ae32a1SGerd Hoffmann [CR_SET_TR_DEQUEUE] = "CR_SET_TR_DEQUEUE", 340f1ae32a1SGerd Hoffmann [CR_RESET_DEVICE] = "CR_RESET_DEVICE", 341f1ae32a1SGerd Hoffmann [CR_FORCE_EVENT] = "CR_FORCE_EVENT", 342f1ae32a1SGerd Hoffmann [CR_NEGOTIATE_BW] = "CR_NEGOTIATE_BW", 343f1ae32a1SGerd Hoffmann [CR_SET_LATENCY_TOLERANCE] = "CR_SET_LATENCY_TOLERANCE", 344f1ae32a1SGerd Hoffmann [CR_GET_PORT_BANDWIDTH] = "CR_GET_PORT_BANDWIDTH", 345f1ae32a1SGerd Hoffmann [CR_FORCE_HEADER] = "CR_FORCE_HEADER", 346f1ae32a1SGerd Hoffmann [CR_NOOP] = "CR_NOOP", 347f1ae32a1SGerd Hoffmann [ER_TRANSFER] = "ER_TRANSFER", 348f1ae32a1SGerd Hoffmann [ER_COMMAND_COMPLETE] = "ER_COMMAND_COMPLETE", 349f1ae32a1SGerd Hoffmann [ER_PORT_STATUS_CHANGE] = "ER_PORT_STATUS_CHANGE", 350f1ae32a1SGerd Hoffmann [ER_BANDWIDTH_REQUEST] = "ER_BANDWIDTH_REQUEST", 351f1ae32a1SGerd Hoffmann [ER_DOORBELL] = "ER_DOORBELL", 352f1ae32a1SGerd Hoffmann [ER_HOST_CONTROLLER] = "ER_HOST_CONTROLLER", 353f1ae32a1SGerd Hoffmann [ER_DEVICE_NOTIFICATION] = "ER_DEVICE_NOTIFICATION", 354f1ae32a1SGerd Hoffmann [ER_MFINDEX_WRAP] = "ER_MFINDEX_WRAP", 355f1ae32a1SGerd Hoffmann [CR_VENDOR_NEC_FIRMWARE_REVISION] = "CR_VENDOR_NEC_FIRMWARE_REVISION", 356f1ae32a1SGerd Hoffmann [CR_VENDOR_NEC_CHALLENGE_RESPONSE] = "CR_VENDOR_NEC_CHALLENGE_RESPONSE", 357f1ae32a1SGerd Hoffmann }; 358f1ae32a1SGerd Hoffmann 359873123feSGerd Hoffmann static const char *TRBCCode_names[] = { 360873123feSGerd Hoffmann [CC_INVALID] = "CC_INVALID", 361873123feSGerd Hoffmann [CC_SUCCESS] = "CC_SUCCESS", 362873123feSGerd Hoffmann [CC_DATA_BUFFER_ERROR] = "CC_DATA_BUFFER_ERROR", 363873123feSGerd Hoffmann [CC_BABBLE_DETECTED] = "CC_BABBLE_DETECTED", 364873123feSGerd Hoffmann [CC_USB_TRANSACTION_ERROR] = "CC_USB_TRANSACTION_ERROR", 365873123feSGerd Hoffmann [CC_TRB_ERROR] = "CC_TRB_ERROR", 366873123feSGerd Hoffmann [CC_STALL_ERROR] = "CC_STALL_ERROR", 367873123feSGerd Hoffmann [CC_RESOURCE_ERROR] = "CC_RESOURCE_ERROR", 368873123feSGerd Hoffmann [CC_BANDWIDTH_ERROR] = "CC_BANDWIDTH_ERROR", 369873123feSGerd Hoffmann [CC_NO_SLOTS_ERROR] = "CC_NO_SLOTS_ERROR", 370873123feSGerd Hoffmann [CC_INVALID_STREAM_TYPE_ERROR] = "CC_INVALID_STREAM_TYPE_ERROR", 371873123feSGerd Hoffmann [CC_SLOT_NOT_ENABLED_ERROR] = "CC_SLOT_NOT_ENABLED_ERROR", 372873123feSGerd Hoffmann [CC_EP_NOT_ENABLED_ERROR] = "CC_EP_NOT_ENABLED_ERROR", 373873123feSGerd Hoffmann [CC_SHORT_PACKET] = "CC_SHORT_PACKET", 374873123feSGerd Hoffmann [CC_RING_UNDERRUN] = "CC_RING_UNDERRUN", 375873123feSGerd Hoffmann [CC_RING_OVERRUN] = "CC_RING_OVERRUN", 376873123feSGerd Hoffmann [CC_VF_ER_FULL] = "CC_VF_ER_FULL", 377873123feSGerd Hoffmann [CC_PARAMETER_ERROR] = "CC_PARAMETER_ERROR", 378873123feSGerd Hoffmann [CC_BANDWIDTH_OVERRUN] = "CC_BANDWIDTH_OVERRUN", 379873123feSGerd Hoffmann [CC_CONTEXT_STATE_ERROR] = "CC_CONTEXT_STATE_ERROR", 380873123feSGerd Hoffmann [CC_NO_PING_RESPONSE_ERROR] = "CC_NO_PING_RESPONSE_ERROR", 381873123feSGerd Hoffmann [CC_EVENT_RING_FULL_ERROR] = "CC_EVENT_RING_FULL_ERROR", 382873123feSGerd Hoffmann [CC_INCOMPATIBLE_DEVICE_ERROR] = "CC_INCOMPATIBLE_DEVICE_ERROR", 383873123feSGerd Hoffmann [CC_MISSED_SERVICE_ERROR] = "CC_MISSED_SERVICE_ERROR", 384873123feSGerd Hoffmann [CC_COMMAND_RING_STOPPED] = "CC_COMMAND_RING_STOPPED", 385873123feSGerd Hoffmann [CC_COMMAND_ABORTED] = "CC_COMMAND_ABORTED", 386873123feSGerd Hoffmann [CC_STOPPED] = "CC_STOPPED", 387873123feSGerd Hoffmann [CC_STOPPED_LENGTH_INVALID] = "CC_STOPPED_LENGTH_INVALID", 388873123feSGerd Hoffmann [CC_MAX_EXIT_LATENCY_TOO_LARGE_ERROR] 389873123feSGerd Hoffmann = "CC_MAX_EXIT_LATENCY_TOO_LARGE_ERROR", 390873123feSGerd Hoffmann [CC_ISOCH_BUFFER_OVERRUN] = "CC_ISOCH_BUFFER_OVERRUN", 391873123feSGerd Hoffmann [CC_EVENT_LOST_ERROR] = "CC_EVENT_LOST_ERROR", 392873123feSGerd Hoffmann [CC_UNDEFINED_ERROR] = "CC_UNDEFINED_ERROR", 393873123feSGerd Hoffmann [CC_INVALID_STREAM_ID_ERROR] = "CC_INVALID_STREAM_ID_ERROR", 394873123feSGerd Hoffmann [CC_SECONDARY_BANDWIDTH_ERROR] = "CC_SECONDARY_BANDWIDTH_ERROR", 395873123feSGerd Hoffmann [CC_SPLIT_TRANSACTION_ERROR] = "CC_SPLIT_TRANSACTION_ERROR", 396873123feSGerd Hoffmann }; 397873123feSGerd Hoffmann 3981c82392aSGerd Hoffmann static const char *ep_state_names[] = { 3991c82392aSGerd Hoffmann [EP_DISABLED] = "disabled", 4001c82392aSGerd Hoffmann [EP_RUNNING] = "running", 4011c82392aSGerd Hoffmann [EP_HALTED] = "halted", 4021c82392aSGerd Hoffmann [EP_STOPPED] = "stopped", 4031c82392aSGerd Hoffmann [EP_ERROR] = "error", 4041c82392aSGerd Hoffmann }; 4051c82392aSGerd Hoffmann 406f1ae32a1SGerd Hoffmann static const char *lookup_name(uint32_t index, const char **list, uint32_t llen) 407f1ae32a1SGerd Hoffmann { 408f1ae32a1SGerd Hoffmann if (index >= llen || list[index] == NULL) { 409f1ae32a1SGerd Hoffmann return "???"; 410f1ae32a1SGerd Hoffmann } 411f1ae32a1SGerd Hoffmann return list[index]; 412f1ae32a1SGerd Hoffmann } 413f1ae32a1SGerd Hoffmann 414f1ae32a1SGerd Hoffmann static const char *trb_name(XHCITRB *trb) 415f1ae32a1SGerd Hoffmann { 416f1ae32a1SGerd Hoffmann return lookup_name(TRB_TYPE(*trb), TRBType_names, 417f1ae32a1SGerd Hoffmann ARRAY_SIZE(TRBType_names)); 418f1ae32a1SGerd Hoffmann } 419f1ae32a1SGerd Hoffmann 420873123feSGerd Hoffmann static const char *event_name(XHCIEvent *event) 421873123feSGerd Hoffmann { 422873123feSGerd Hoffmann return lookup_name(event->ccode, TRBCCode_names, 423873123feSGerd Hoffmann ARRAY_SIZE(TRBCCode_names)); 424873123feSGerd Hoffmann } 425873123feSGerd Hoffmann 4261c82392aSGerd Hoffmann static const char *ep_state_name(uint32_t state) 4271c82392aSGerd Hoffmann { 4281c82392aSGerd Hoffmann return lookup_name(state, ep_state_names, 4291c82392aSGerd Hoffmann ARRAY_SIZE(ep_state_names)); 4301c82392aSGerd Hoffmann } 4311c82392aSGerd Hoffmann 432f9955235SGerd Hoffmann static bool xhci_get_flag(XHCIState *xhci, enum xhci_flags bit) 433f9955235SGerd Hoffmann { 434f9955235SGerd Hoffmann return xhci->flags & (1 << bit); 435f9955235SGerd Hoffmann } 436f9955235SGerd Hoffmann 4374f72b8d2SGerd Hoffmann static void xhci_set_flag(XHCIState *xhci, enum xhci_flags bit) 4384f72b8d2SGerd Hoffmann { 4394f72b8d2SGerd Hoffmann xhci->flags |= (1 << bit); 4404f72b8d2SGerd Hoffmann } 4414f72b8d2SGerd Hoffmann 44201546fa6SGerd Hoffmann static uint64_t xhci_mfindex_get(XHCIState *xhci) 44301546fa6SGerd Hoffmann { 444bc72ad67SAlex Bligh int64_t now = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL); 44501546fa6SGerd Hoffmann return (now - xhci->mfindex_start) / 125000; 44601546fa6SGerd Hoffmann } 44701546fa6SGerd Hoffmann 44801546fa6SGerd Hoffmann static void xhci_mfwrap_update(XHCIState *xhci) 44901546fa6SGerd Hoffmann { 45001546fa6SGerd Hoffmann const uint32_t bits = USBCMD_RS | USBCMD_EWE; 45101546fa6SGerd Hoffmann uint32_t mfindex, left; 45201546fa6SGerd Hoffmann int64_t now; 45301546fa6SGerd Hoffmann 45401546fa6SGerd Hoffmann if ((xhci->usbcmd & bits) == bits) { 455bc72ad67SAlex Bligh now = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL); 45601546fa6SGerd Hoffmann mfindex = ((now - xhci->mfindex_start) / 125000) & 0x3fff; 45701546fa6SGerd Hoffmann left = 0x4000 - mfindex; 458bc72ad67SAlex Bligh timer_mod(xhci->mfwrap_timer, now + left * 125000); 45901546fa6SGerd Hoffmann } else { 460bc72ad67SAlex Bligh timer_del(xhci->mfwrap_timer); 46101546fa6SGerd Hoffmann } 46201546fa6SGerd Hoffmann } 46301546fa6SGerd Hoffmann 46401546fa6SGerd Hoffmann static void xhci_mfwrap_timer(void *opaque) 46501546fa6SGerd Hoffmann { 46601546fa6SGerd Hoffmann XHCIState *xhci = opaque; 46701546fa6SGerd Hoffmann XHCIEvent wrap = { ER_MFINDEX_WRAP, CC_SUCCESS }; 46801546fa6SGerd Hoffmann 469962d11e1SGerd Hoffmann xhci_event(xhci, &wrap, 0); 47001546fa6SGerd Hoffmann xhci_mfwrap_update(xhci); 47101546fa6SGerd Hoffmann } 472f1ae32a1SGerd Hoffmann 47359a70ccdSDavid Gibson static inline dma_addr_t xhci_addr64(uint32_t low, uint32_t high) 474f1ae32a1SGerd Hoffmann { 47559a70ccdSDavid Gibson if (sizeof(dma_addr_t) == 4) { 476f1ae32a1SGerd Hoffmann return low; 47759a70ccdSDavid Gibson } else { 47859a70ccdSDavid Gibson return low | (((dma_addr_t)high << 16) << 16); 47959a70ccdSDavid Gibson } 480f1ae32a1SGerd Hoffmann } 481f1ae32a1SGerd Hoffmann 48259a70ccdSDavid Gibson static inline dma_addr_t xhci_mask64(uint64_t addr) 483f1ae32a1SGerd Hoffmann { 48459a70ccdSDavid Gibson if (sizeof(dma_addr_t) == 4) { 485f1ae32a1SGerd Hoffmann return addr & 0xffffffff; 48659a70ccdSDavid Gibson } else { 48759a70ccdSDavid Gibson return addr; 48859a70ccdSDavid Gibson } 489f1ae32a1SGerd Hoffmann } 490f1ae32a1SGerd Hoffmann 491616b5d53SDavid Gibson static inline void xhci_dma_read_u32s(XHCIState *xhci, dma_addr_t addr, 492616b5d53SDavid Gibson uint32_t *buf, size_t len) 493616b5d53SDavid Gibson { 494616b5d53SDavid Gibson int i; 495616b5d53SDavid Gibson 496616b5d53SDavid Gibson assert((len % sizeof(uint32_t)) == 0); 497616b5d53SDavid Gibson 4989b7d3334SAndreas Färber pci_dma_read(PCI_DEVICE(xhci), addr, buf, len); 499616b5d53SDavid Gibson 500616b5d53SDavid Gibson for (i = 0; i < (len / sizeof(uint32_t)); i++) { 501616b5d53SDavid Gibson buf[i] = le32_to_cpu(buf[i]); 502616b5d53SDavid Gibson } 503616b5d53SDavid Gibson } 504616b5d53SDavid Gibson 505616b5d53SDavid Gibson static inline void xhci_dma_write_u32s(XHCIState *xhci, dma_addr_t addr, 506616b5d53SDavid Gibson uint32_t *buf, size_t len) 507616b5d53SDavid Gibson { 508616b5d53SDavid Gibson int i; 509182b391eSPeter Xu uint32_t tmp[5]; 510182b391eSPeter Xu uint32_t n = len / sizeof(uint32_t); 511616b5d53SDavid Gibson 512616b5d53SDavid Gibson assert((len % sizeof(uint32_t)) == 0); 513182b391eSPeter Xu assert(n <= ARRAY_SIZE(tmp)); 514616b5d53SDavid Gibson 515182b391eSPeter Xu for (i = 0; i < n; i++) { 516616b5d53SDavid Gibson tmp[i] = cpu_to_le32(buf[i]); 517616b5d53SDavid Gibson } 5189b7d3334SAndreas Färber pci_dma_write(PCI_DEVICE(xhci), addr, tmp, len); 519616b5d53SDavid Gibson } 520616b5d53SDavid Gibson 5210846e635SGerd Hoffmann static XHCIPort *xhci_lookup_port(XHCIState *xhci, struct USBPort *uport) 5220846e635SGerd Hoffmann { 5230846e635SGerd Hoffmann int index; 5240846e635SGerd Hoffmann 5250846e635SGerd Hoffmann if (!uport->dev) { 5260846e635SGerd Hoffmann return NULL; 5270846e635SGerd Hoffmann } 5280846e635SGerd Hoffmann switch (uport->dev->speed) { 5290846e635SGerd Hoffmann case USB_SPEED_LOW: 5300846e635SGerd Hoffmann case USB_SPEED_FULL: 5310846e635SGerd Hoffmann case USB_SPEED_HIGH: 5327bafd888SGerd Hoffmann if (xhci_get_flag(xhci, XHCI_FLAG_SS_FIRST)) { 5337bafd888SGerd Hoffmann index = uport->index + xhci->numports_3; 5347bafd888SGerd Hoffmann } else { 5350846e635SGerd Hoffmann index = uport->index; 5367bafd888SGerd Hoffmann } 5370846e635SGerd Hoffmann break; 5380846e635SGerd Hoffmann case USB_SPEED_SUPER: 5397bafd888SGerd Hoffmann if (xhci_get_flag(xhci, XHCI_FLAG_SS_FIRST)) { 5407bafd888SGerd Hoffmann index = uport->index; 5417bafd888SGerd Hoffmann } else { 5420846e635SGerd Hoffmann index = uport->index + xhci->numports_2; 5437bafd888SGerd Hoffmann } 5440846e635SGerd Hoffmann break; 5450846e635SGerd Hoffmann default: 5460846e635SGerd Hoffmann return NULL; 5470846e635SGerd Hoffmann } 5480846e635SGerd Hoffmann return &xhci->ports[index]; 5490846e635SGerd Hoffmann } 5500846e635SGerd Hoffmann 5514c4abe7cSGerd Hoffmann static void xhci_intx_update(XHCIState *xhci) 552f1ae32a1SGerd Hoffmann { 5539b7d3334SAndreas Färber PCIDevice *pci_dev = PCI_DEVICE(xhci); 554f1ae32a1SGerd Hoffmann int level = 0; 555f1ae32a1SGerd Hoffmann 5569b7d3334SAndreas Färber if (msix_enabled(pci_dev) || 5579b7d3334SAndreas Färber msi_enabled(pci_dev)) { 5584c4abe7cSGerd Hoffmann return; 5594c4abe7cSGerd Hoffmann } 5604c4abe7cSGerd Hoffmann 561962d11e1SGerd Hoffmann if (xhci->intr[0].iman & IMAN_IP && 562962d11e1SGerd Hoffmann xhci->intr[0].iman & IMAN_IE && 563215bff17SLai Jiangshan xhci->usbcmd & USBCMD_INTE) { 564f1ae32a1SGerd Hoffmann level = 1; 565f1ae32a1SGerd Hoffmann } 566f1ae32a1SGerd Hoffmann 5677acd279fSGerd Hoffmann trace_usb_xhci_irq_intx(level); 5689e64f8a3SMarcel Apfelbaum pci_set_irq(pci_dev, level); 569f1ae32a1SGerd Hoffmann } 5704c4abe7cSGerd Hoffmann 571962d11e1SGerd Hoffmann static void xhci_msix_update(XHCIState *xhci, int v) 5724c47f800SGerd Hoffmann { 5739b7d3334SAndreas Färber PCIDevice *pci_dev = PCI_DEVICE(xhci); 5744c47f800SGerd Hoffmann bool enabled; 5754c47f800SGerd Hoffmann 5769b7d3334SAndreas Färber if (!msix_enabled(pci_dev)) { 5774c47f800SGerd Hoffmann return; 5784c47f800SGerd Hoffmann } 5794c47f800SGerd Hoffmann 580962d11e1SGerd Hoffmann enabled = xhci->intr[v].iman & IMAN_IE; 581962d11e1SGerd Hoffmann if (enabled == xhci->intr[v].msix_used) { 5824c47f800SGerd Hoffmann return; 5834c47f800SGerd Hoffmann } 5844c47f800SGerd Hoffmann 5854c47f800SGerd Hoffmann if (enabled) { 586962d11e1SGerd Hoffmann trace_usb_xhci_irq_msix_use(v); 5879b7d3334SAndreas Färber msix_vector_use(pci_dev, v); 588962d11e1SGerd Hoffmann xhci->intr[v].msix_used = true; 5894c47f800SGerd Hoffmann } else { 590962d11e1SGerd Hoffmann trace_usb_xhci_irq_msix_unuse(v); 5919b7d3334SAndreas Färber msix_vector_unuse(pci_dev, v); 592962d11e1SGerd Hoffmann xhci->intr[v].msix_used = false; 5934c47f800SGerd Hoffmann } 5944c47f800SGerd Hoffmann } 5954c47f800SGerd Hoffmann 596962d11e1SGerd Hoffmann static void xhci_intr_raise(XHCIState *xhci, int v) 5974c4abe7cSGerd Hoffmann { 5989b7d3334SAndreas Färber PCIDevice *pci_dev = PCI_DEVICE(xhci); 5997da76e12SGerd Hoffmann bool pending = (xhci->intr[v].erdp_low & ERDP_EHB); 6009b7d3334SAndreas Färber 601962d11e1SGerd Hoffmann xhci->intr[v].erdp_low |= ERDP_EHB; 602962d11e1SGerd Hoffmann xhci->intr[v].iman |= IMAN_IP; 6032cae4119SGerd Hoffmann xhci->usbsts |= USBSTS_EINT; 6042cae4119SGerd Hoffmann 6057da76e12SGerd Hoffmann if (pending) { 6067da76e12SGerd Hoffmann return; 6077da76e12SGerd Hoffmann } 608962d11e1SGerd Hoffmann if (!(xhci->intr[v].iman & IMAN_IE)) { 6094c4abe7cSGerd Hoffmann return; 6104c4abe7cSGerd Hoffmann } 6114c4abe7cSGerd Hoffmann 6124c4abe7cSGerd Hoffmann if (!(xhci->usbcmd & USBCMD_INTE)) { 6134c4abe7cSGerd Hoffmann return; 6144c4abe7cSGerd Hoffmann } 6154c4abe7cSGerd Hoffmann 6169b7d3334SAndreas Färber if (msix_enabled(pci_dev)) { 617962d11e1SGerd Hoffmann trace_usb_xhci_irq_msix(v); 6189b7d3334SAndreas Färber msix_notify(pci_dev, v); 6194c47f800SGerd Hoffmann return; 6204c47f800SGerd Hoffmann } 6214c47f800SGerd Hoffmann 6229b7d3334SAndreas Färber if (msi_enabled(pci_dev)) { 623962d11e1SGerd Hoffmann trace_usb_xhci_irq_msi(v); 6249b7d3334SAndreas Färber msi_notify(pci_dev, v); 6254c4abe7cSGerd Hoffmann return; 6264c4abe7cSGerd Hoffmann } 6274c4abe7cSGerd Hoffmann 628962d11e1SGerd Hoffmann if (v == 0) { 6294c4abe7cSGerd Hoffmann trace_usb_xhci_irq_intx(1); 6309e64f8a3SMarcel Apfelbaum pci_irq_assert(pci_dev); 631f1ae32a1SGerd Hoffmann } 632962d11e1SGerd Hoffmann } 633f1ae32a1SGerd Hoffmann 634f1ae32a1SGerd Hoffmann static inline int xhci_running(XHCIState *xhci) 635f1ae32a1SGerd Hoffmann { 636898248a3SGerd Hoffmann return !(xhci->usbsts & USBSTS_HCH); 637f1ae32a1SGerd Hoffmann } 638f1ae32a1SGerd Hoffmann 639f1ae32a1SGerd Hoffmann static void xhci_die(XHCIState *xhci) 640f1ae32a1SGerd Hoffmann { 641f1ae32a1SGerd Hoffmann xhci->usbsts |= USBSTS_HCE; 642d6bb65fcSGerd Hoffmann DPRINTF("xhci: asserted controller error\n"); 643f1ae32a1SGerd Hoffmann } 644f1ae32a1SGerd Hoffmann 645962d11e1SGerd Hoffmann static void xhci_write_event(XHCIState *xhci, XHCIEvent *event, int v) 646f1ae32a1SGerd Hoffmann { 6479b7d3334SAndreas Färber PCIDevice *pci_dev = PCI_DEVICE(xhci); 648962d11e1SGerd Hoffmann XHCIInterrupter *intr = &xhci->intr[v]; 649f1ae32a1SGerd Hoffmann XHCITRB ev_trb; 65059a70ccdSDavid Gibson dma_addr_t addr; 651f1ae32a1SGerd Hoffmann 652f1ae32a1SGerd Hoffmann ev_trb.parameter = cpu_to_le64(event->ptr); 653f1ae32a1SGerd Hoffmann ev_trb.status = cpu_to_le32(event->length | (event->ccode << 24)); 654f1ae32a1SGerd Hoffmann ev_trb.control = (event->slotid << 24) | (event->epid << 16) | 655f1ae32a1SGerd Hoffmann event->flags | (event->type << TRB_TYPE_SHIFT); 656962d11e1SGerd Hoffmann if (intr->er_pcs) { 657f1ae32a1SGerd Hoffmann ev_trb.control |= TRB_C; 658f1ae32a1SGerd Hoffmann } 659f1ae32a1SGerd Hoffmann ev_trb.control = cpu_to_le32(ev_trb.control); 660f1ae32a1SGerd Hoffmann 661962d11e1SGerd Hoffmann trace_usb_xhci_queue_event(v, intr->er_ep_idx, trb_name(&ev_trb), 662873123feSGerd Hoffmann event_name(event), ev_trb.parameter, 663873123feSGerd Hoffmann ev_trb.status, ev_trb.control); 664f1ae32a1SGerd Hoffmann 665962d11e1SGerd Hoffmann addr = intr->er_start + TRB_SIZE*intr->er_ep_idx; 6669b7d3334SAndreas Färber pci_dma_write(pci_dev, addr, &ev_trb, TRB_SIZE); 667f1ae32a1SGerd Hoffmann 668962d11e1SGerd Hoffmann intr->er_ep_idx++; 669962d11e1SGerd Hoffmann if (intr->er_ep_idx >= intr->er_size) { 670962d11e1SGerd Hoffmann intr->er_ep_idx = 0; 671962d11e1SGerd Hoffmann intr->er_pcs = !intr->er_pcs; 672f1ae32a1SGerd Hoffmann } 673f1ae32a1SGerd Hoffmann } 674f1ae32a1SGerd Hoffmann 675962d11e1SGerd Hoffmann static void xhci_event(XHCIState *xhci, XHCIEvent *event, int v) 676f1ae32a1SGerd Hoffmann { 6772d1de850SGerd Hoffmann XHCIInterrupter *intr; 67859a70ccdSDavid Gibson dma_addr_t erdp; 679f1ae32a1SGerd Hoffmann unsigned int dp_idx; 680f1ae32a1SGerd Hoffmann 68191062ae0SGerd Hoffmann if (v >= xhci->numintrs) { 68291062ae0SGerd Hoffmann DPRINTF("intr nr out of range (%d >= %d)\n", v, xhci->numintrs); 6832d1de850SGerd Hoffmann return; 6842d1de850SGerd Hoffmann } 6852d1de850SGerd Hoffmann intr = &xhci->intr[v]; 6862d1de850SGerd Hoffmann 687962d11e1SGerd Hoffmann erdp = xhci_addr64(intr->erdp_low, intr->erdp_high); 688962d11e1SGerd Hoffmann if (erdp < intr->er_start || 689962d11e1SGerd Hoffmann erdp >= (intr->er_start + TRB_SIZE*intr->er_size)) { 690d6bb65fcSGerd Hoffmann DPRINTF("xhci: ERDP out of bounds: "DMA_ADDR_FMT"\n", erdp); 691d6bb65fcSGerd Hoffmann DPRINTF("xhci: ER[%d] at "DMA_ADDR_FMT" len %d\n", 692962d11e1SGerd Hoffmann v, intr->er_start, intr->er_size); 693f1ae32a1SGerd Hoffmann xhci_die(xhci); 694f1ae32a1SGerd Hoffmann return; 695f1ae32a1SGerd Hoffmann } 696f1ae32a1SGerd Hoffmann 697962d11e1SGerd Hoffmann dp_idx = (erdp - intr->er_start) / TRB_SIZE; 698962d11e1SGerd Hoffmann assert(dp_idx < intr->er_size); 699f1ae32a1SGerd Hoffmann 700898248a3SGerd Hoffmann if ((intr->er_ep_idx + 2) % intr->er_size == dp_idx) { 701898248a3SGerd Hoffmann DPRINTF("xhci: ER %d full, send ring full error\n", v); 702f1ae32a1SGerd Hoffmann XHCIEvent full = {ER_HOST_CONTROLLER, CC_EVENT_RING_FULL_ERROR}; 703898248a3SGerd Hoffmann xhci_write_event(xhci, &full, v); 704898248a3SGerd Hoffmann } else if ((intr->er_ep_idx + 1) % intr->er_size == dp_idx) { 705898248a3SGerd Hoffmann DPRINTF("xhci: ER %d full, drop event\n", v); 706f1ae32a1SGerd Hoffmann } else { 707962d11e1SGerd Hoffmann xhci_write_event(xhci, event, v); 708f1ae32a1SGerd Hoffmann } 709f1ae32a1SGerd Hoffmann 710962d11e1SGerd Hoffmann xhci_intr_raise(xhci, v); 711f1ae32a1SGerd Hoffmann } 712f1ae32a1SGerd Hoffmann 713f1ae32a1SGerd Hoffmann static void xhci_ring_init(XHCIState *xhci, XHCIRing *ring, 71459a70ccdSDavid Gibson dma_addr_t base) 715f1ae32a1SGerd Hoffmann { 716f1ae32a1SGerd Hoffmann ring->dequeue = base; 717f1ae32a1SGerd Hoffmann ring->ccs = 1; 718f1ae32a1SGerd Hoffmann } 719f1ae32a1SGerd Hoffmann 720f1ae32a1SGerd Hoffmann static TRBType xhci_ring_fetch(XHCIState *xhci, XHCIRing *ring, XHCITRB *trb, 72159a70ccdSDavid Gibson dma_addr_t *addr) 722f1ae32a1SGerd Hoffmann { 7239b7d3334SAndreas Färber PCIDevice *pci_dev = PCI_DEVICE(xhci); 72405f43d44SGerd Hoffmann uint32_t link_cnt = 0; 7259b7d3334SAndreas Färber 726f1ae32a1SGerd Hoffmann while (1) { 727f1ae32a1SGerd Hoffmann TRBType type; 7289b7d3334SAndreas Färber pci_dma_read(pci_dev, ring->dequeue, trb, TRB_SIZE); 729f1ae32a1SGerd Hoffmann trb->addr = ring->dequeue; 730f1ae32a1SGerd Hoffmann trb->ccs = ring->ccs; 731f1ae32a1SGerd Hoffmann le64_to_cpus(&trb->parameter); 732f1ae32a1SGerd Hoffmann le32_to_cpus(&trb->status); 733f1ae32a1SGerd Hoffmann le32_to_cpus(&trb->control); 734f1ae32a1SGerd Hoffmann 7350703a4a7SGerd Hoffmann trace_usb_xhci_fetch_trb(ring->dequeue, trb_name(trb), 7360703a4a7SGerd Hoffmann trb->parameter, trb->status, trb->control); 737f1ae32a1SGerd Hoffmann 738f1ae32a1SGerd Hoffmann if ((trb->control & TRB_C) != ring->ccs) { 739f1ae32a1SGerd Hoffmann return 0; 740f1ae32a1SGerd Hoffmann } 741f1ae32a1SGerd Hoffmann 742f1ae32a1SGerd Hoffmann type = TRB_TYPE(*trb); 743f1ae32a1SGerd Hoffmann 744f1ae32a1SGerd Hoffmann if (type != TR_LINK) { 745f1ae32a1SGerd Hoffmann if (addr) { 746f1ae32a1SGerd Hoffmann *addr = ring->dequeue; 747f1ae32a1SGerd Hoffmann } 748f1ae32a1SGerd Hoffmann ring->dequeue += TRB_SIZE; 749f1ae32a1SGerd Hoffmann return type; 750f1ae32a1SGerd Hoffmann } else { 75105f43d44SGerd Hoffmann if (++link_cnt > TRB_LINK_LIMIT) { 752f89b60f6SGerd Hoffmann trace_usb_xhci_enforced_limit("trb-link"); 75305f43d44SGerd Hoffmann return 0; 75405f43d44SGerd Hoffmann } 755f1ae32a1SGerd Hoffmann ring->dequeue = xhci_mask64(trb->parameter); 756f1ae32a1SGerd Hoffmann if (trb->control & TRB_LK_TC) { 757f1ae32a1SGerd Hoffmann ring->ccs = !ring->ccs; 758f1ae32a1SGerd Hoffmann } 759f1ae32a1SGerd Hoffmann } 760f1ae32a1SGerd Hoffmann } 761f1ae32a1SGerd Hoffmann } 762f1ae32a1SGerd Hoffmann 763f1ae32a1SGerd Hoffmann static int xhci_ring_chain_length(XHCIState *xhci, const XHCIRing *ring) 764f1ae32a1SGerd Hoffmann { 7659b7d3334SAndreas Färber PCIDevice *pci_dev = PCI_DEVICE(xhci); 766f1ae32a1SGerd Hoffmann XHCITRB trb; 767f1ae32a1SGerd Hoffmann int length = 0; 76859a70ccdSDavid Gibson dma_addr_t dequeue = ring->dequeue; 769f1ae32a1SGerd Hoffmann bool ccs = ring->ccs; 770f1ae32a1SGerd Hoffmann /* hack to bundle together the two/three TDs that make a setup transfer */ 771f1ae32a1SGerd Hoffmann bool control_td_set = 0; 77205f43d44SGerd Hoffmann uint32_t link_cnt = 0; 773f1ae32a1SGerd Hoffmann 774f1ae32a1SGerd Hoffmann while (1) { 775f1ae32a1SGerd Hoffmann TRBType type; 7769b7d3334SAndreas Färber pci_dma_read(pci_dev, dequeue, &trb, TRB_SIZE); 777f1ae32a1SGerd Hoffmann le64_to_cpus(&trb.parameter); 778f1ae32a1SGerd Hoffmann le32_to_cpus(&trb.status); 779f1ae32a1SGerd Hoffmann le32_to_cpus(&trb.control); 780f1ae32a1SGerd Hoffmann 781f1ae32a1SGerd Hoffmann if ((trb.control & TRB_C) != ccs) { 782f1ae32a1SGerd Hoffmann return -length; 783f1ae32a1SGerd Hoffmann } 784f1ae32a1SGerd Hoffmann 785f1ae32a1SGerd Hoffmann type = TRB_TYPE(trb); 786f1ae32a1SGerd Hoffmann 787f1ae32a1SGerd Hoffmann if (type == TR_LINK) { 78805f43d44SGerd Hoffmann if (++link_cnt > TRB_LINK_LIMIT) { 78905f43d44SGerd Hoffmann return -length; 79005f43d44SGerd Hoffmann } 791f1ae32a1SGerd Hoffmann dequeue = xhci_mask64(trb.parameter); 792f1ae32a1SGerd Hoffmann if (trb.control & TRB_LK_TC) { 793f1ae32a1SGerd Hoffmann ccs = !ccs; 794f1ae32a1SGerd Hoffmann } 795f1ae32a1SGerd Hoffmann continue; 796f1ae32a1SGerd Hoffmann } 797f1ae32a1SGerd Hoffmann 798f1ae32a1SGerd Hoffmann length += 1; 799f1ae32a1SGerd Hoffmann dequeue += TRB_SIZE; 800f1ae32a1SGerd Hoffmann 801f1ae32a1SGerd Hoffmann if (type == TR_SETUP) { 802f1ae32a1SGerd Hoffmann control_td_set = 1; 803f1ae32a1SGerd Hoffmann } else if (type == TR_STATUS) { 804f1ae32a1SGerd Hoffmann control_td_set = 0; 805f1ae32a1SGerd Hoffmann } 806f1ae32a1SGerd Hoffmann 807f1ae32a1SGerd Hoffmann if (!control_td_set && !(trb.control & TRB_TR_CH)) { 808f1ae32a1SGerd Hoffmann return length; 809f1ae32a1SGerd Hoffmann } 810f1ae32a1SGerd Hoffmann } 811f1ae32a1SGerd Hoffmann } 812f1ae32a1SGerd Hoffmann 813962d11e1SGerd Hoffmann static void xhci_er_reset(XHCIState *xhci, int v) 814f1ae32a1SGerd Hoffmann { 815962d11e1SGerd Hoffmann XHCIInterrupter *intr = &xhci->intr[v]; 816f1ae32a1SGerd Hoffmann XHCIEvRingSeg seg; 8176100dda7SAlexey Kardashevskiy dma_addr_t erstba = xhci_addr64(intr->erstba_low, intr->erstba_high); 818f1ae32a1SGerd Hoffmann 8196100dda7SAlexey Kardashevskiy if (intr->erstsz == 0 || erstba == 0) { 820e099ad4bSGerd Hoffmann /* disabled */ 821e099ad4bSGerd Hoffmann intr->er_start = 0; 822e099ad4bSGerd Hoffmann intr->er_size = 0; 823e099ad4bSGerd Hoffmann return; 824e099ad4bSGerd Hoffmann } 825f1ae32a1SGerd Hoffmann /* cache the (sole) event ring segment location */ 826962d11e1SGerd Hoffmann if (intr->erstsz != 1) { 827d6bb65fcSGerd Hoffmann DPRINTF("xhci: invalid value for ERSTSZ: %d\n", intr->erstsz); 828f1ae32a1SGerd Hoffmann xhci_die(xhci); 829f1ae32a1SGerd Hoffmann return; 830f1ae32a1SGerd Hoffmann } 8319b7d3334SAndreas Färber pci_dma_read(PCI_DEVICE(xhci), erstba, &seg, sizeof(seg)); 832f1ae32a1SGerd Hoffmann le32_to_cpus(&seg.addr_low); 833f1ae32a1SGerd Hoffmann le32_to_cpus(&seg.addr_high); 834f1ae32a1SGerd Hoffmann le32_to_cpus(&seg.size); 835f1ae32a1SGerd Hoffmann if (seg.size < 16 || seg.size > 4096) { 836d6bb65fcSGerd Hoffmann DPRINTF("xhci: invalid value for segment size: %d\n", seg.size); 837f1ae32a1SGerd Hoffmann xhci_die(xhci); 838f1ae32a1SGerd Hoffmann return; 839f1ae32a1SGerd Hoffmann } 840962d11e1SGerd Hoffmann intr->er_start = xhci_addr64(seg.addr_low, seg.addr_high); 841962d11e1SGerd Hoffmann intr->er_size = seg.size; 842f1ae32a1SGerd Hoffmann 843962d11e1SGerd Hoffmann intr->er_ep_idx = 0; 844962d11e1SGerd Hoffmann intr->er_pcs = 1; 845f1ae32a1SGerd Hoffmann 846962d11e1SGerd Hoffmann DPRINTF("xhci: event ring[%d]:" DMA_ADDR_FMT " [%d]\n", 847962d11e1SGerd Hoffmann v, intr->er_start, intr->er_size); 848f1ae32a1SGerd Hoffmann } 849f1ae32a1SGerd Hoffmann 850f1ae32a1SGerd Hoffmann static void xhci_run(XHCIState *xhci) 851f1ae32a1SGerd Hoffmann { 852fc0ddacaSGerd Hoffmann trace_usb_xhci_run(); 853f1ae32a1SGerd Hoffmann xhci->usbsts &= ~USBSTS_HCH; 854bc72ad67SAlex Bligh xhci->mfindex_start = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL); 855f1ae32a1SGerd Hoffmann } 856f1ae32a1SGerd Hoffmann 857f1ae32a1SGerd Hoffmann static void xhci_stop(XHCIState *xhci) 858f1ae32a1SGerd Hoffmann { 859fc0ddacaSGerd Hoffmann trace_usb_xhci_stop(); 860f1ae32a1SGerd Hoffmann xhci->usbsts |= USBSTS_HCH; 861f1ae32a1SGerd Hoffmann xhci->crcr_low &= ~CRCR_CRR; 862f1ae32a1SGerd Hoffmann } 863f1ae32a1SGerd Hoffmann 864024426acSGerd Hoffmann static XHCIStreamContext *xhci_alloc_stream_contexts(unsigned count, 865024426acSGerd Hoffmann dma_addr_t base) 866024426acSGerd Hoffmann { 867024426acSGerd Hoffmann XHCIStreamContext *stctx; 868024426acSGerd Hoffmann unsigned int i; 869024426acSGerd Hoffmann 870024426acSGerd Hoffmann stctx = g_new0(XHCIStreamContext, count); 871024426acSGerd Hoffmann for (i = 0; i < count; i++) { 872024426acSGerd Hoffmann stctx[i].pctx = base + i * 16; 873024426acSGerd Hoffmann stctx[i].sct = -1; 874024426acSGerd Hoffmann } 875024426acSGerd Hoffmann return stctx; 876024426acSGerd Hoffmann } 877024426acSGerd Hoffmann 878024426acSGerd Hoffmann static void xhci_reset_streams(XHCIEPContext *epctx) 879024426acSGerd Hoffmann { 880024426acSGerd Hoffmann unsigned int i; 881024426acSGerd Hoffmann 882024426acSGerd Hoffmann for (i = 0; i < epctx->nr_pstreams; i++) { 883024426acSGerd Hoffmann epctx->pstreams[i].sct = -1; 884024426acSGerd Hoffmann } 885024426acSGerd Hoffmann } 886024426acSGerd Hoffmann 887024426acSGerd Hoffmann static void xhci_alloc_streams(XHCIEPContext *epctx, dma_addr_t base) 888024426acSGerd Hoffmann { 889024426acSGerd Hoffmann assert(epctx->pstreams == NULL); 890f90e160bSGerd Hoffmann epctx->nr_pstreams = 2 << epctx->max_pstreams; 891024426acSGerd Hoffmann epctx->pstreams = xhci_alloc_stream_contexts(epctx->nr_pstreams, base); 892024426acSGerd Hoffmann } 893024426acSGerd Hoffmann 894024426acSGerd Hoffmann static void xhci_free_streams(XHCIEPContext *epctx) 895024426acSGerd Hoffmann { 896024426acSGerd Hoffmann assert(epctx->pstreams != NULL); 897024426acSGerd Hoffmann 898024426acSGerd Hoffmann g_free(epctx->pstreams); 899024426acSGerd Hoffmann epctx->pstreams = NULL; 900024426acSGerd Hoffmann epctx->nr_pstreams = 0; 901024426acSGerd Hoffmann } 902024426acSGerd Hoffmann 90372391da5SHans de Goede static int xhci_epmask_to_eps_with_streams(XHCIState *xhci, 90472391da5SHans de Goede unsigned int slotid, 90572391da5SHans de Goede uint32_t epmask, 90672391da5SHans de Goede XHCIEPContext **epctxs, 90772391da5SHans de Goede USBEndpoint **eps) 90872391da5SHans de Goede { 90972391da5SHans de Goede XHCISlot *slot; 91072391da5SHans de Goede XHCIEPContext *epctx; 91172391da5SHans de Goede USBEndpoint *ep; 91272391da5SHans de Goede int i, j; 91372391da5SHans de Goede 91472391da5SHans de Goede assert(slotid >= 1 && slotid <= xhci->numslots); 91572391da5SHans de Goede 91672391da5SHans de Goede slot = &xhci->slots[slotid - 1]; 91772391da5SHans de Goede 91872391da5SHans de Goede for (i = 2, j = 0; i <= 31; i++) { 9193d80365bSGerd Hoffmann if (!(epmask & (1u << i))) { 92072391da5SHans de Goede continue; 92172391da5SHans de Goede } 92272391da5SHans de Goede 92372391da5SHans de Goede epctx = slot->eps[i - 1]; 924070eeef9SGerd Hoffmann ep = xhci_epid_to_usbep(epctx); 92572391da5SHans de Goede if (!epctx || !epctx->nr_pstreams || !ep) { 92672391da5SHans de Goede continue; 92772391da5SHans de Goede } 92872391da5SHans de Goede 92972391da5SHans de Goede if (epctxs) { 93072391da5SHans de Goede epctxs[j] = epctx; 93172391da5SHans de Goede } 93272391da5SHans de Goede eps[j++] = ep; 93372391da5SHans de Goede } 93472391da5SHans de Goede return j; 93572391da5SHans de Goede } 93672391da5SHans de Goede 93772391da5SHans de Goede static void xhci_free_device_streams(XHCIState *xhci, unsigned int slotid, 93872391da5SHans de Goede uint32_t epmask) 93972391da5SHans de Goede { 94072391da5SHans de Goede USBEndpoint *eps[30]; 94172391da5SHans de Goede int nr_eps; 94272391da5SHans de Goede 94372391da5SHans de Goede nr_eps = xhci_epmask_to_eps_with_streams(xhci, slotid, epmask, NULL, eps); 94472391da5SHans de Goede if (nr_eps) { 94572391da5SHans de Goede usb_device_free_streams(eps[0]->dev, eps, nr_eps); 94672391da5SHans de Goede } 94772391da5SHans de Goede } 94872391da5SHans de Goede 94972391da5SHans de Goede static TRBCCode xhci_alloc_device_streams(XHCIState *xhci, unsigned int slotid, 95072391da5SHans de Goede uint32_t epmask) 95172391da5SHans de Goede { 95272391da5SHans de Goede XHCIEPContext *epctxs[30]; 95372391da5SHans de Goede USBEndpoint *eps[30]; 95472391da5SHans de Goede int i, r, nr_eps, req_nr_streams, dev_max_streams; 95572391da5SHans de Goede 95672391da5SHans de Goede nr_eps = xhci_epmask_to_eps_with_streams(xhci, slotid, epmask, epctxs, 95772391da5SHans de Goede eps); 95872391da5SHans de Goede if (nr_eps == 0) { 95972391da5SHans de Goede return CC_SUCCESS; 96072391da5SHans de Goede } 96172391da5SHans de Goede 96272391da5SHans de Goede req_nr_streams = epctxs[0]->nr_pstreams; 96372391da5SHans de Goede dev_max_streams = eps[0]->max_streams; 96472391da5SHans de Goede 96572391da5SHans de Goede for (i = 1; i < nr_eps; i++) { 96672391da5SHans de Goede /* 96772391da5SHans de Goede * HdG: I don't expect these to ever trigger, but if they do we need 96872391da5SHans de Goede * to come up with another solution, ie group identical endpoints 96972391da5SHans de Goede * together and make an usb_device_alloc_streams call per group. 97072391da5SHans de Goede */ 97172391da5SHans de Goede if (epctxs[i]->nr_pstreams != req_nr_streams) { 97272391da5SHans de Goede FIXME("guest streams config not identical for all eps"); 97372391da5SHans de Goede return CC_RESOURCE_ERROR; 97472391da5SHans de Goede } 97572391da5SHans de Goede if (eps[i]->max_streams != dev_max_streams) { 97672391da5SHans de Goede FIXME("device streams config not identical for all eps"); 97772391da5SHans de Goede return CC_RESOURCE_ERROR; 97872391da5SHans de Goede } 97972391da5SHans de Goede } 98072391da5SHans de Goede 98172391da5SHans de Goede /* 98272391da5SHans de Goede * max-streams in both the device descriptor and in the controller is a 98372391da5SHans de Goede * power of 2. But stream id 0 is reserved, so if a device can do up to 4 98472391da5SHans de Goede * streams the guest will ask for 5 rounded up to the next power of 2 which 98572391da5SHans de Goede * becomes 8. For emulated devices usb_device_alloc_streams is a nop. 98672391da5SHans de Goede * 98772391da5SHans de Goede * For redirected devices however this is an issue, as there we must ask 98872391da5SHans de Goede * the real xhci controller to alloc streams, and the host driver for the 98972391da5SHans de Goede * real xhci controller will likely disallow allocating more streams then 99072391da5SHans de Goede * the device can handle. 99172391da5SHans de Goede * 99272391da5SHans de Goede * So we limit the requested nr_streams to the maximum number the device 99372391da5SHans de Goede * can handle. 99472391da5SHans de Goede */ 99572391da5SHans de Goede if (req_nr_streams > dev_max_streams) { 99672391da5SHans de Goede req_nr_streams = dev_max_streams; 99772391da5SHans de Goede } 99872391da5SHans de Goede 99972391da5SHans de Goede r = usb_device_alloc_streams(eps[0]->dev, eps, nr_eps, req_nr_streams); 100072391da5SHans de Goede if (r != 0) { 1001d6bb65fcSGerd Hoffmann DPRINTF("xhci: alloc streams failed\n"); 100272391da5SHans de Goede return CC_RESOURCE_ERROR; 100372391da5SHans de Goede } 100472391da5SHans de Goede 100572391da5SHans de Goede return CC_SUCCESS; 100672391da5SHans de Goede } 100772391da5SHans de Goede 1008024426acSGerd Hoffmann static XHCIStreamContext *xhci_find_stream(XHCIEPContext *epctx, 1009024426acSGerd Hoffmann unsigned int streamid, 1010024426acSGerd Hoffmann uint32_t *cc_error) 1011024426acSGerd Hoffmann { 1012024426acSGerd Hoffmann XHCIStreamContext *sctx; 1013024426acSGerd Hoffmann dma_addr_t base; 1014024426acSGerd Hoffmann uint32_t ctx[2], sct; 1015024426acSGerd Hoffmann 1016024426acSGerd Hoffmann assert(streamid != 0); 1017024426acSGerd Hoffmann if (epctx->lsa) { 1018024426acSGerd Hoffmann if (streamid >= epctx->nr_pstreams) { 1019024426acSGerd Hoffmann *cc_error = CC_INVALID_STREAM_ID_ERROR; 1020024426acSGerd Hoffmann return NULL; 1021024426acSGerd Hoffmann } 1022024426acSGerd Hoffmann sctx = epctx->pstreams + streamid; 1023024426acSGerd Hoffmann } else { 1024024426acSGerd Hoffmann FIXME("secondary streams not implemented yet"); 1025024426acSGerd Hoffmann } 1026024426acSGerd Hoffmann 1027024426acSGerd Hoffmann if (sctx->sct == -1) { 1028024426acSGerd Hoffmann xhci_dma_read_u32s(epctx->xhci, sctx->pctx, ctx, sizeof(ctx)); 1029024426acSGerd Hoffmann sct = (ctx[0] >> 1) & 0x07; 1030024426acSGerd Hoffmann if (epctx->lsa && sct != 1) { 1031024426acSGerd Hoffmann *cc_error = CC_INVALID_STREAM_TYPE_ERROR; 1032024426acSGerd Hoffmann return NULL; 1033024426acSGerd Hoffmann } 1034024426acSGerd Hoffmann sctx->sct = sct; 1035024426acSGerd Hoffmann base = xhci_addr64(ctx[0] & ~0xf, ctx[1]); 1036024426acSGerd Hoffmann xhci_ring_init(epctx->xhci, &sctx->ring, base); 1037024426acSGerd Hoffmann } 1038024426acSGerd Hoffmann return sctx; 1039024426acSGerd Hoffmann } 1040024426acSGerd Hoffmann 1041f1ae32a1SGerd Hoffmann static void xhci_set_ep_state(XHCIState *xhci, XHCIEPContext *epctx, 1042024426acSGerd Hoffmann XHCIStreamContext *sctx, uint32_t state) 1043f1ae32a1SGerd Hoffmann { 1044c90daa1cSHans de Goede XHCIRing *ring = NULL; 1045f1ae32a1SGerd Hoffmann uint32_t ctx[5]; 1046024426acSGerd Hoffmann uint32_t ctx2[2]; 1047f1ae32a1SGerd Hoffmann 1048616b5d53SDavid Gibson xhci_dma_read_u32s(xhci, epctx->pctx, ctx, sizeof(ctx)); 1049f1ae32a1SGerd Hoffmann ctx[0] &= ~EP_STATE_MASK; 1050f1ae32a1SGerd Hoffmann ctx[0] |= state; 1051024426acSGerd Hoffmann 1052024426acSGerd Hoffmann /* update ring dequeue ptr */ 1053024426acSGerd Hoffmann if (epctx->nr_pstreams) { 1054024426acSGerd Hoffmann if (sctx != NULL) { 1055c90daa1cSHans de Goede ring = &sctx->ring; 1056024426acSGerd Hoffmann xhci_dma_read_u32s(xhci, sctx->pctx, ctx2, sizeof(ctx2)); 1057024426acSGerd Hoffmann ctx2[0] &= 0xe; 1058024426acSGerd Hoffmann ctx2[0] |= sctx->ring.dequeue | sctx->ring.ccs; 1059024426acSGerd Hoffmann ctx2[1] = (sctx->ring.dequeue >> 16) >> 16; 1060024426acSGerd Hoffmann xhci_dma_write_u32s(xhci, sctx->pctx, ctx2, sizeof(ctx2)); 1061024426acSGerd Hoffmann } 1062024426acSGerd Hoffmann } else { 1063c90daa1cSHans de Goede ring = &epctx->ring; 1064c90daa1cSHans de Goede } 1065c90daa1cSHans de Goede if (ring) { 1066c90daa1cSHans de Goede ctx[2] = ring->dequeue | ring->ccs; 1067c90daa1cSHans de Goede ctx[3] = (ring->dequeue >> 16) >> 16; 1068c90daa1cSHans de Goede 106959a70ccdSDavid Gibson DPRINTF("xhci: set epctx: " DMA_ADDR_FMT " state=%d dequeue=%08x%08x\n", 1070f1ae32a1SGerd Hoffmann epctx->pctx, state, ctx[3], ctx[2]); 1071024426acSGerd Hoffmann } 1072024426acSGerd Hoffmann 1073616b5d53SDavid Gibson xhci_dma_write_u32s(xhci, epctx->pctx, ctx, sizeof(ctx)); 10741c82392aSGerd Hoffmann if (epctx->state != state) { 10751c82392aSGerd Hoffmann trace_usb_xhci_ep_state(epctx->slotid, epctx->epid, 10761c82392aSGerd Hoffmann ep_state_name(epctx->state), 10771c82392aSGerd Hoffmann ep_state_name(state)); 10781c82392aSGerd Hoffmann } 1079f1ae32a1SGerd Hoffmann epctx->state = state; 1080f1ae32a1SGerd Hoffmann } 1081f1ae32a1SGerd Hoffmann 10823d139684SGerd Hoffmann static void xhci_ep_kick_timer(void *opaque) 10833d139684SGerd Hoffmann { 10843d139684SGerd Hoffmann XHCIEPContext *epctx = opaque; 10853a533ee8SGerd Hoffmann xhci_kick_epctx(epctx, 0); 10863d139684SGerd Hoffmann } 10873d139684SGerd Hoffmann 1088492b21f6SGerd Hoffmann static XHCIEPContext *xhci_alloc_epctx(XHCIState *xhci, 1089492b21f6SGerd Hoffmann unsigned int slotid, 1090492b21f6SGerd Hoffmann unsigned int epid) 1091492b21f6SGerd Hoffmann { 1092492b21f6SGerd Hoffmann XHCIEPContext *epctx; 1093492b21f6SGerd Hoffmann 1094492b21f6SGerd Hoffmann epctx = g_new0(XHCIEPContext, 1); 1095492b21f6SGerd Hoffmann epctx->xhci = xhci; 1096492b21f6SGerd Hoffmann epctx->slotid = slotid; 1097492b21f6SGerd Hoffmann epctx->epid = epid; 1098492b21f6SGerd Hoffmann 109994b037f2SGerd Hoffmann QTAILQ_INIT(&epctx->transfers); 1100bc72ad67SAlex Bligh epctx->kick_timer = timer_new_ns(QEMU_CLOCK_VIRTUAL, xhci_ep_kick_timer, epctx); 1101492b21f6SGerd Hoffmann 1102492b21f6SGerd Hoffmann return epctx; 1103492b21f6SGerd Hoffmann } 1104492b21f6SGerd Hoffmann 1105003e15a1SGerd Hoffmann static void xhci_init_epctx(XHCIEPContext *epctx, 1106003e15a1SGerd Hoffmann dma_addr_t pctx, uint32_t *ctx) 1107f1ae32a1SGerd Hoffmann { 110859a70ccdSDavid Gibson dma_addr_t dequeue; 1109f1ae32a1SGerd Hoffmann 1110f1ae32a1SGerd Hoffmann dequeue = xhci_addr64(ctx[2] & ~0xf, ctx[3]); 1111f1ae32a1SGerd Hoffmann 1112f1ae32a1SGerd Hoffmann epctx->type = (ctx[1] >> EP_TYPE_SHIFT) & EP_TYPE_MASK; 1113f1ae32a1SGerd Hoffmann epctx->pctx = pctx; 1114f1ae32a1SGerd Hoffmann epctx->max_psize = ctx[1]>>16; 1115f1ae32a1SGerd Hoffmann epctx->max_psize *= 1+((ctx[1]>>8)&0xff); 11162aa6bfcbSGerd Hoffmann epctx->max_pstreams = (ctx[0] >> 10) & epctx->xhci->max_pstreams_mask; 1117024426acSGerd Hoffmann epctx->lsa = (ctx[0] >> 15) & 1; 1118024426acSGerd Hoffmann if (epctx->max_pstreams) { 1119024426acSGerd Hoffmann xhci_alloc_streams(epctx, dequeue); 1120024426acSGerd Hoffmann } else { 1121003e15a1SGerd Hoffmann xhci_ring_init(epctx->xhci, &epctx->ring, dequeue); 1122024426acSGerd Hoffmann epctx->ring.ccs = ctx[2] & 1; 1123024426acSGerd Hoffmann } 1124f1ae32a1SGerd Hoffmann 1125ca716278SGerd Hoffmann epctx->interval = 1 << ((ctx[0] >> 16) & 0xff); 1126003e15a1SGerd Hoffmann } 1127003e15a1SGerd Hoffmann 1128003e15a1SGerd Hoffmann static TRBCCode xhci_enable_ep(XHCIState *xhci, unsigned int slotid, 1129003e15a1SGerd Hoffmann unsigned int epid, dma_addr_t pctx, 1130003e15a1SGerd Hoffmann uint32_t *ctx) 1131003e15a1SGerd Hoffmann { 1132003e15a1SGerd Hoffmann XHCISlot *slot; 1133003e15a1SGerd Hoffmann XHCIEPContext *epctx; 1134003e15a1SGerd Hoffmann 1135003e15a1SGerd Hoffmann trace_usb_xhci_ep_enable(slotid, epid); 1136003e15a1SGerd Hoffmann assert(slotid >= 1 && slotid <= xhci->numslots); 1137003e15a1SGerd Hoffmann assert(epid >= 1 && epid <= 31); 1138003e15a1SGerd Hoffmann 1139003e15a1SGerd Hoffmann slot = &xhci->slots[slotid-1]; 1140003e15a1SGerd Hoffmann if (slot->eps[epid-1]) { 1141003e15a1SGerd Hoffmann xhci_disable_ep(xhci, slotid, epid); 1142003e15a1SGerd Hoffmann } 1143003e15a1SGerd Hoffmann 1144003e15a1SGerd Hoffmann epctx = xhci_alloc_epctx(xhci, slotid, epid); 1145003e15a1SGerd Hoffmann slot->eps[epid-1] = epctx; 1146003e15a1SGerd Hoffmann xhci_init_epctx(epctx, pctx, ctx); 1147003e15a1SGerd Hoffmann 11488c244210SGonglei DPRINTF("xhci: endpoint %d.%d type is %d, max transaction (burst) " 11498c244210SGonglei "size is %d\n", epid/2, epid%2, epctx->type, epctx->max_psize); 11508c244210SGonglei 11513d139684SGerd Hoffmann epctx->mfindex_last = 0; 11523d139684SGerd Hoffmann 1153f1ae32a1SGerd Hoffmann epctx->state = EP_RUNNING; 1154f1ae32a1SGerd Hoffmann ctx[0] &= ~EP_STATE_MASK; 1155f1ae32a1SGerd Hoffmann ctx[0] |= EP_RUNNING; 1156f1ae32a1SGerd Hoffmann 1157f1ae32a1SGerd Hoffmann return CC_SUCCESS; 1158f1ae32a1SGerd Hoffmann } 1159f1ae32a1SGerd Hoffmann 116094b037f2SGerd Hoffmann static XHCITransfer *xhci_ep_alloc_xfer(XHCIEPContext *epctx, 116194b037f2SGerd Hoffmann uint32_t length) 116294b037f2SGerd Hoffmann { 116394b037f2SGerd Hoffmann uint32_t limit = epctx->nr_pstreams + 16; 116494b037f2SGerd Hoffmann XHCITransfer *xfer; 116594b037f2SGerd Hoffmann 116694b037f2SGerd Hoffmann if (epctx->xfer_count >= limit) { 116794b037f2SGerd Hoffmann return NULL; 116894b037f2SGerd Hoffmann } 116994b037f2SGerd Hoffmann 117094b037f2SGerd Hoffmann xfer = g_new0(XHCITransfer, 1); 117194b037f2SGerd Hoffmann xfer->epctx = epctx; 117294b037f2SGerd Hoffmann xfer->trbs = g_new(XHCITRB, length); 117394b037f2SGerd Hoffmann xfer->trb_count = length; 117494b037f2SGerd Hoffmann usb_packet_init(&xfer->packet); 117594b037f2SGerd Hoffmann 117694b037f2SGerd Hoffmann QTAILQ_INSERT_TAIL(&epctx->transfers, xfer, next); 117794b037f2SGerd Hoffmann epctx->xfer_count++; 117894b037f2SGerd Hoffmann 117994b037f2SGerd Hoffmann return xfer; 118094b037f2SGerd Hoffmann } 118194b037f2SGerd Hoffmann 118294b037f2SGerd Hoffmann static void xhci_ep_free_xfer(XHCITransfer *xfer) 118394b037f2SGerd Hoffmann { 118494b037f2SGerd Hoffmann QTAILQ_REMOVE(&xfer->epctx->transfers, xfer, next); 118594b037f2SGerd Hoffmann xfer->epctx->xfer_count--; 118694b037f2SGerd Hoffmann 118794b037f2SGerd Hoffmann usb_packet_cleanup(&xfer->packet); 118894b037f2SGerd Hoffmann g_free(xfer->trbs); 118994b037f2SGerd Hoffmann g_free(xfer); 119094b037f2SGerd Hoffmann } 119194b037f2SGerd Hoffmann 1192582d6f4aSHans de Goede static int xhci_ep_nuke_one_xfer(XHCITransfer *t, TRBCCode report) 11933151f209SHans de Goede { 11943151f209SHans de Goede int killed = 0; 11953151f209SHans de Goede 1196582d6f4aSHans de Goede if (report && (t->running_async || t->running_retry)) { 1197582d6f4aSHans de Goede t->status = report; 1198582d6f4aSHans de Goede xhci_xfer_report(t); 1199582d6f4aSHans de Goede } 1200582d6f4aSHans de Goede 12013151f209SHans de Goede if (t->running_async) { 12023151f209SHans de Goede usb_cancel_packet(&t->packet); 12033151f209SHans de Goede t->running_async = 0; 12043151f209SHans de Goede killed = 1; 12053151f209SHans de Goede } 12063151f209SHans de Goede if (t->running_retry) { 12075612564eSGerd Hoffmann if (t->epctx) { 12085612564eSGerd Hoffmann t->epctx->retry = NULL; 12095612564eSGerd Hoffmann timer_del(t->epctx->kick_timer); 12103151f209SHans de Goede } 12113151f209SHans de Goede t->running_retry = 0; 1212582d6f4aSHans de Goede killed = 1; 12133151f209SHans de Goede } 12143151f209SHans de Goede g_free(t->trbs); 12153151f209SHans de Goede 12163151f209SHans de Goede t->trbs = NULL; 121794b037f2SGerd Hoffmann t->trb_count = 0; 12183151f209SHans de Goede 12193151f209SHans de Goede return killed; 12203151f209SHans de Goede } 12213151f209SHans de Goede 1222f1ae32a1SGerd Hoffmann static int xhci_ep_nuke_xfers(XHCIState *xhci, unsigned int slotid, 1223582d6f4aSHans de Goede unsigned int epid, TRBCCode report) 1224f1ae32a1SGerd Hoffmann { 1225f1ae32a1SGerd Hoffmann XHCISlot *slot; 1226f1ae32a1SGerd Hoffmann XHCIEPContext *epctx; 122794b037f2SGerd Hoffmann XHCITransfer *xfer; 122894b037f2SGerd Hoffmann int killed = 0; 1229f79738b0SHans de Goede USBEndpoint *ep = NULL; 123091062ae0SGerd Hoffmann assert(slotid >= 1 && slotid <= xhci->numslots); 1231f1ae32a1SGerd Hoffmann assert(epid >= 1 && epid <= 31); 1232f1ae32a1SGerd Hoffmann 1233f1ae32a1SGerd Hoffmann DPRINTF("xhci_ep_nuke_xfers(%d, %d)\n", slotid, epid); 1234f1ae32a1SGerd Hoffmann 1235f1ae32a1SGerd Hoffmann slot = &xhci->slots[slotid-1]; 1236f1ae32a1SGerd Hoffmann 1237f1ae32a1SGerd Hoffmann if (!slot->eps[epid-1]) { 1238f1ae32a1SGerd Hoffmann return 0; 1239f1ae32a1SGerd Hoffmann } 1240f1ae32a1SGerd Hoffmann 1241f1ae32a1SGerd Hoffmann epctx = slot->eps[epid-1]; 1242f1ae32a1SGerd Hoffmann 124394b037f2SGerd Hoffmann for (;;) { 124494b037f2SGerd Hoffmann xfer = QTAILQ_FIRST(&epctx->transfers); 124594b037f2SGerd Hoffmann if (xfer == NULL) { 124694b037f2SGerd Hoffmann break; 124794b037f2SGerd Hoffmann } 124894b037f2SGerd Hoffmann killed += xhci_ep_nuke_one_xfer(xfer, report); 1249582d6f4aSHans de Goede if (killed) { 1250582d6f4aSHans de Goede report = 0; /* Only report once */ 1251582d6f4aSHans de Goede } 125294b037f2SGerd Hoffmann xhci_ep_free_xfer(xfer); 1253f1ae32a1SGerd Hoffmann } 1254518ad5f2SHans de Goede 1255070eeef9SGerd Hoffmann ep = xhci_epid_to_usbep(epctx); 1256f79738b0SHans de Goede if (ep) { 1257f79738b0SHans de Goede usb_device_ep_stopped(ep->dev, ep); 1258f79738b0SHans de Goede } 1259f1ae32a1SGerd Hoffmann return killed; 1260f1ae32a1SGerd Hoffmann } 1261f1ae32a1SGerd Hoffmann 1262f1ae32a1SGerd Hoffmann static TRBCCode xhci_disable_ep(XHCIState *xhci, unsigned int slotid, 1263f1ae32a1SGerd Hoffmann unsigned int epid) 1264f1ae32a1SGerd Hoffmann { 1265f1ae32a1SGerd Hoffmann XHCISlot *slot; 1266f1ae32a1SGerd Hoffmann XHCIEPContext *epctx; 1267f1ae32a1SGerd Hoffmann 1268c1f6b493SGerd Hoffmann trace_usb_xhci_ep_disable(slotid, epid); 126991062ae0SGerd Hoffmann assert(slotid >= 1 && slotid <= xhci->numslots); 1270f1ae32a1SGerd Hoffmann assert(epid >= 1 && epid <= 31); 1271f1ae32a1SGerd Hoffmann 1272f1ae32a1SGerd Hoffmann slot = &xhci->slots[slotid-1]; 1273f1ae32a1SGerd Hoffmann 1274f1ae32a1SGerd Hoffmann if (!slot->eps[epid-1]) { 1275f1ae32a1SGerd Hoffmann DPRINTF("xhci: slot %d ep %d already disabled\n", slotid, epid); 1276f1ae32a1SGerd Hoffmann return CC_SUCCESS; 1277f1ae32a1SGerd Hoffmann } 1278f1ae32a1SGerd Hoffmann 1279582d6f4aSHans de Goede xhci_ep_nuke_xfers(xhci, slotid, epid, 0); 1280f1ae32a1SGerd Hoffmann 1281f1ae32a1SGerd Hoffmann epctx = slot->eps[epid-1]; 1282f1ae32a1SGerd Hoffmann 1283024426acSGerd Hoffmann if (epctx->nr_pstreams) { 1284024426acSGerd Hoffmann xhci_free_streams(epctx); 1285024426acSGerd Hoffmann } 1286024426acSGerd Hoffmann 1287491d68d9SRoman Kagan /* only touch guest RAM if we're not resetting the HC */ 1288491d68d9SRoman Kagan if (xhci->dcbaap_low || xhci->dcbaap_high) { 1289024426acSGerd Hoffmann xhci_set_ep_state(xhci, epctx, NULL, EP_DISABLED); 1290491d68d9SRoman Kagan } 1291f1ae32a1SGerd Hoffmann 1292bc72ad67SAlex Bligh timer_free(epctx->kick_timer); 1293f1ae32a1SGerd Hoffmann g_free(epctx); 1294f1ae32a1SGerd Hoffmann slot->eps[epid-1] = NULL; 1295f1ae32a1SGerd Hoffmann 1296f1ae32a1SGerd Hoffmann return CC_SUCCESS; 1297f1ae32a1SGerd Hoffmann } 1298f1ae32a1SGerd Hoffmann 1299f1ae32a1SGerd Hoffmann static TRBCCode xhci_stop_ep(XHCIState *xhci, unsigned int slotid, 1300f1ae32a1SGerd Hoffmann unsigned int epid) 1301f1ae32a1SGerd Hoffmann { 1302f1ae32a1SGerd Hoffmann XHCISlot *slot; 1303f1ae32a1SGerd Hoffmann XHCIEPContext *epctx; 1304f1ae32a1SGerd Hoffmann 1305c1f6b493SGerd Hoffmann trace_usb_xhci_ep_stop(slotid, epid); 130691062ae0SGerd Hoffmann assert(slotid >= 1 && slotid <= xhci->numslots); 1307f1ae32a1SGerd Hoffmann 1308f1ae32a1SGerd Hoffmann if (epid < 1 || epid > 31) { 1309d6bb65fcSGerd Hoffmann DPRINTF("xhci: bad ep %d\n", epid); 1310f1ae32a1SGerd Hoffmann return CC_TRB_ERROR; 1311f1ae32a1SGerd Hoffmann } 1312f1ae32a1SGerd Hoffmann 1313f1ae32a1SGerd Hoffmann slot = &xhci->slots[slotid-1]; 1314f1ae32a1SGerd Hoffmann 1315f1ae32a1SGerd Hoffmann if (!slot->eps[epid-1]) { 1316f1ae32a1SGerd Hoffmann DPRINTF("xhci: slot %d ep %d not enabled\n", slotid, epid); 1317f1ae32a1SGerd Hoffmann return CC_EP_NOT_ENABLED_ERROR; 1318f1ae32a1SGerd Hoffmann } 1319f1ae32a1SGerd Hoffmann 1320582d6f4aSHans de Goede if (xhci_ep_nuke_xfers(xhci, slotid, epid, CC_STOPPED) > 0) { 1321d6bb65fcSGerd Hoffmann DPRINTF("xhci: FIXME: endpoint stopped w/ xfers running, " 1322f1ae32a1SGerd Hoffmann "data might be lost\n"); 1323f1ae32a1SGerd Hoffmann } 1324f1ae32a1SGerd Hoffmann 1325f1ae32a1SGerd Hoffmann epctx = slot->eps[epid-1]; 1326f1ae32a1SGerd Hoffmann 1327024426acSGerd Hoffmann xhci_set_ep_state(xhci, epctx, NULL, EP_STOPPED); 1328024426acSGerd Hoffmann 1329024426acSGerd Hoffmann if (epctx->nr_pstreams) { 1330024426acSGerd Hoffmann xhci_reset_streams(epctx); 1331024426acSGerd Hoffmann } 1332f1ae32a1SGerd Hoffmann 1333f1ae32a1SGerd Hoffmann return CC_SUCCESS; 1334f1ae32a1SGerd Hoffmann } 1335f1ae32a1SGerd Hoffmann 1336f1ae32a1SGerd Hoffmann static TRBCCode xhci_reset_ep(XHCIState *xhci, unsigned int slotid, 1337f1ae32a1SGerd Hoffmann unsigned int epid) 1338f1ae32a1SGerd Hoffmann { 1339f1ae32a1SGerd Hoffmann XHCISlot *slot; 1340f1ae32a1SGerd Hoffmann XHCIEPContext *epctx; 1341f1ae32a1SGerd Hoffmann 1342c1f6b493SGerd Hoffmann trace_usb_xhci_ep_reset(slotid, epid); 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 1350f1ae32a1SGerd Hoffmann slot = &xhci->slots[slotid-1]; 1351f1ae32a1SGerd Hoffmann 1352f1ae32a1SGerd Hoffmann if (!slot->eps[epid-1]) { 1353f1ae32a1SGerd Hoffmann DPRINTF("xhci: slot %d ep %d not enabled\n", slotid, epid); 1354f1ae32a1SGerd Hoffmann return CC_EP_NOT_ENABLED_ERROR; 1355f1ae32a1SGerd Hoffmann } 1356f1ae32a1SGerd Hoffmann 1357f1ae32a1SGerd Hoffmann epctx = slot->eps[epid-1]; 1358f1ae32a1SGerd Hoffmann 1359f1ae32a1SGerd Hoffmann if (epctx->state != EP_HALTED) { 1360d6bb65fcSGerd Hoffmann DPRINTF("xhci: reset EP while EP %d not halted (%d)\n", 1361f1ae32a1SGerd Hoffmann epid, epctx->state); 1362f1ae32a1SGerd Hoffmann return CC_CONTEXT_STATE_ERROR; 1363f1ae32a1SGerd Hoffmann } 1364f1ae32a1SGerd Hoffmann 1365582d6f4aSHans de Goede if (xhci_ep_nuke_xfers(xhci, slotid, epid, 0) > 0) { 1366d6bb65fcSGerd Hoffmann DPRINTF("xhci: FIXME: endpoint reset w/ xfers running, " 1367f1ae32a1SGerd Hoffmann "data might be lost\n"); 1368f1ae32a1SGerd Hoffmann } 1369f1ae32a1SGerd Hoffmann 137075cc1c1fSGerd Hoffmann if (!xhci->slots[slotid-1].uport || 1371de9de157SHans de Goede !xhci->slots[slotid-1].uport->dev || 1372de9de157SHans de Goede !xhci->slots[slotid-1].uport->dev->attached) { 1373f1ae32a1SGerd Hoffmann return CC_USB_TRANSACTION_ERROR; 1374f1ae32a1SGerd Hoffmann } 1375f1ae32a1SGerd Hoffmann 1376024426acSGerd Hoffmann xhci_set_ep_state(xhci, epctx, NULL, EP_STOPPED); 1377024426acSGerd Hoffmann 1378024426acSGerd Hoffmann if (epctx->nr_pstreams) { 1379024426acSGerd Hoffmann xhci_reset_streams(epctx); 1380024426acSGerd Hoffmann } 1381f1ae32a1SGerd Hoffmann 1382f1ae32a1SGerd Hoffmann return CC_SUCCESS; 1383f1ae32a1SGerd Hoffmann } 1384f1ae32a1SGerd Hoffmann 1385f1ae32a1SGerd Hoffmann static TRBCCode xhci_set_ep_dequeue(XHCIState *xhci, unsigned int slotid, 1386024426acSGerd Hoffmann unsigned int epid, unsigned int streamid, 1387024426acSGerd Hoffmann uint64_t pdequeue) 1388f1ae32a1SGerd Hoffmann { 1389f1ae32a1SGerd Hoffmann XHCISlot *slot; 1390f1ae32a1SGerd Hoffmann XHCIEPContext *epctx; 1391024426acSGerd Hoffmann XHCIStreamContext *sctx; 139259a70ccdSDavid Gibson dma_addr_t dequeue; 1393f1ae32a1SGerd Hoffmann 139491062ae0SGerd Hoffmann assert(slotid >= 1 && slotid <= xhci->numslots); 1395f1ae32a1SGerd Hoffmann 1396f1ae32a1SGerd Hoffmann if (epid < 1 || epid > 31) { 1397d6bb65fcSGerd Hoffmann DPRINTF("xhci: bad ep %d\n", epid); 1398f1ae32a1SGerd Hoffmann return CC_TRB_ERROR; 1399f1ae32a1SGerd Hoffmann } 1400f1ae32a1SGerd Hoffmann 1401024426acSGerd Hoffmann trace_usb_xhci_ep_set_dequeue(slotid, epid, streamid, pdequeue); 1402f1ae32a1SGerd Hoffmann dequeue = xhci_mask64(pdequeue); 1403f1ae32a1SGerd Hoffmann 1404f1ae32a1SGerd Hoffmann slot = &xhci->slots[slotid-1]; 1405f1ae32a1SGerd Hoffmann 1406f1ae32a1SGerd Hoffmann if (!slot->eps[epid-1]) { 1407f1ae32a1SGerd Hoffmann DPRINTF("xhci: slot %d ep %d not enabled\n", slotid, epid); 1408f1ae32a1SGerd Hoffmann return CC_EP_NOT_ENABLED_ERROR; 1409f1ae32a1SGerd Hoffmann } 1410f1ae32a1SGerd Hoffmann 1411f1ae32a1SGerd Hoffmann epctx = slot->eps[epid-1]; 1412f1ae32a1SGerd Hoffmann 1413f1ae32a1SGerd Hoffmann if (epctx->state != EP_STOPPED) { 1414d6bb65fcSGerd Hoffmann DPRINTF("xhci: set EP dequeue pointer while EP %d not stopped\n", epid); 1415f1ae32a1SGerd Hoffmann return CC_CONTEXT_STATE_ERROR; 1416f1ae32a1SGerd Hoffmann } 1417f1ae32a1SGerd Hoffmann 1418024426acSGerd Hoffmann if (epctx->nr_pstreams) { 1419024426acSGerd Hoffmann uint32_t err; 1420024426acSGerd Hoffmann sctx = xhci_find_stream(epctx, streamid, &err); 1421024426acSGerd Hoffmann if (sctx == NULL) { 1422024426acSGerd Hoffmann return err; 1423024426acSGerd Hoffmann } 1424024426acSGerd Hoffmann xhci_ring_init(xhci, &sctx->ring, dequeue & ~0xf); 1425024426acSGerd Hoffmann sctx->ring.ccs = dequeue & 1; 1426024426acSGerd Hoffmann } else { 1427024426acSGerd Hoffmann sctx = NULL; 1428f1ae32a1SGerd Hoffmann xhci_ring_init(xhci, &epctx->ring, dequeue & ~0xF); 1429f1ae32a1SGerd Hoffmann epctx->ring.ccs = dequeue & 1; 1430024426acSGerd Hoffmann } 1431f1ae32a1SGerd Hoffmann 1432024426acSGerd Hoffmann xhci_set_ep_state(xhci, epctx, sctx, EP_STOPPED); 1433f1ae32a1SGerd Hoffmann 1434f1ae32a1SGerd Hoffmann return CC_SUCCESS; 1435f1ae32a1SGerd Hoffmann } 1436f1ae32a1SGerd Hoffmann 1437a6fb2ddbSHans de Goede static int xhci_xfer_create_sgl(XHCITransfer *xfer, int in_xfer) 1438f1ae32a1SGerd Hoffmann { 14395612564eSGerd Hoffmann XHCIState *xhci = xfer->epctx->xhci; 1440d5a15814SGerd Hoffmann int i; 1441f1ae32a1SGerd Hoffmann 1442a6fb2ddbSHans de Goede xfer->int_req = false; 14439b7d3334SAndreas Färber pci_dma_sglist_init(&xfer->sgl, PCI_DEVICE(xhci), xfer->trb_count); 1444f1ae32a1SGerd Hoffmann for (i = 0; i < xfer->trb_count; i++) { 1445f1ae32a1SGerd Hoffmann XHCITRB *trb = &xfer->trbs[i]; 144659a70ccdSDavid Gibson dma_addr_t addr; 1447f1ae32a1SGerd Hoffmann unsigned int chunk = 0; 1448f1ae32a1SGerd Hoffmann 1449a6fb2ddbSHans de Goede if (trb->control & TRB_TR_IOC) { 1450a6fb2ddbSHans de Goede xfer->int_req = true; 1451a6fb2ddbSHans de Goede } 1452a6fb2ddbSHans de Goede 1453f1ae32a1SGerd Hoffmann switch (TRB_TYPE(*trb)) { 1454f1ae32a1SGerd Hoffmann case TR_DATA: 1455f1ae32a1SGerd Hoffmann if ((!(trb->control & TRB_TR_DIR)) != (!in_xfer)) { 1456d6bb65fcSGerd Hoffmann DPRINTF("xhci: data direction mismatch for TR_DATA\n"); 1457d5a15814SGerd Hoffmann goto err; 1458f1ae32a1SGerd Hoffmann } 1459f1ae32a1SGerd Hoffmann /* fallthrough */ 1460f1ae32a1SGerd Hoffmann case TR_NORMAL: 1461f1ae32a1SGerd Hoffmann case TR_ISOCH: 1462f1ae32a1SGerd Hoffmann addr = xhci_mask64(trb->parameter); 1463f1ae32a1SGerd Hoffmann chunk = trb->status & 0x1ffff; 1464f1ae32a1SGerd Hoffmann if (trb->control & TRB_TR_IDT) { 1465f1ae32a1SGerd Hoffmann if (chunk > 8 || in_xfer) { 1466d6bb65fcSGerd Hoffmann DPRINTF("xhci: invalid immediate data TRB\n"); 1467d5a15814SGerd Hoffmann goto err; 1468d5a15814SGerd Hoffmann } 1469d5a15814SGerd Hoffmann qemu_sglist_add(&xfer->sgl, trb->addr, chunk); 1470d5a15814SGerd Hoffmann } else { 1471d5a15814SGerd Hoffmann qemu_sglist_add(&xfer->sgl, addr, chunk); 1472d5a15814SGerd Hoffmann } 1473d5a15814SGerd Hoffmann break; 1474d5a15814SGerd Hoffmann } 1475d5a15814SGerd Hoffmann } 1476d5a15814SGerd Hoffmann 1477d5a15814SGerd Hoffmann return 0; 1478d5a15814SGerd Hoffmann 1479d5a15814SGerd Hoffmann err: 1480d5a15814SGerd Hoffmann qemu_sglist_destroy(&xfer->sgl); 1481f1ae32a1SGerd Hoffmann xhci_die(xhci); 1482d5a15814SGerd Hoffmann return -1; 1483f1ae32a1SGerd Hoffmann } 1484d5a15814SGerd Hoffmann 1485d5a15814SGerd Hoffmann static void xhci_xfer_unmap(XHCITransfer *xfer) 1486d5a15814SGerd Hoffmann { 1487d5a15814SGerd Hoffmann usb_packet_unmap(&xfer->packet, &xfer->sgl); 1488d5a15814SGerd Hoffmann qemu_sglist_destroy(&xfer->sgl); 1489f1ae32a1SGerd Hoffmann } 1490d5a15814SGerd Hoffmann 1491d5a15814SGerd Hoffmann static void xhci_xfer_report(XHCITransfer *xfer) 1492d5a15814SGerd Hoffmann { 1493d5a15814SGerd Hoffmann uint32_t edtla = 0; 1494d5a15814SGerd Hoffmann unsigned int left; 1495d5a15814SGerd Hoffmann bool reported = 0; 1496d5a15814SGerd Hoffmann bool shortpkt = 0; 1497d5a15814SGerd Hoffmann XHCIEvent event = {ER_TRANSFER, CC_SUCCESS}; 14985612564eSGerd Hoffmann XHCIState *xhci = xfer->epctx->xhci; 1499f1ae32a1SGerd Hoffmann int i; 1500d5a15814SGerd Hoffmann 15019b8251c5SHans de Goede left = xfer->packet.actual_length; 1502d5a15814SGerd Hoffmann 1503d5a15814SGerd Hoffmann for (i = 0; i < xfer->trb_count; i++) { 1504d5a15814SGerd Hoffmann XHCITRB *trb = &xfer->trbs[i]; 1505d5a15814SGerd Hoffmann unsigned int chunk = 0; 1506d5a15814SGerd Hoffmann 1507d5a15814SGerd Hoffmann switch (TRB_TYPE(*trb)) { 1508b66ad1f1SHans Petter Selasky case TR_SETUP: 1509b66ad1f1SHans Petter Selasky chunk = trb->status & 0x1ffff; 1510b66ad1f1SHans Petter Selasky if (chunk > 8) { 1511b66ad1f1SHans Petter Selasky chunk = 8; 1512b66ad1f1SHans Petter Selasky } 1513b66ad1f1SHans Petter Selasky break; 1514d5a15814SGerd Hoffmann case TR_DATA: 1515d5a15814SGerd Hoffmann case TR_NORMAL: 1516d5a15814SGerd Hoffmann case TR_ISOCH: 1517d5a15814SGerd Hoffmann chunk = trb->status & 0x1ffff; 1518d5a15814SGerd Hoffmann if (chunk > left) { 1519d5a15814SGerd Hoffmann chunk = left; 1520d5a15814SGerd Hoffmann if (xfer->status == CC_SUCCESS) { 1521d5a15814SGerd Hoffmann shortpkt = 1; 1522f1ae32a1SGerd Hoffmann } 1523f1ae32a1SGerd Hoffmann } 1524f1ae32a1SGerd Hoffmann left -= chunk; 1525f1ae32a1SGerd Hoffmann edtla += chunk; 1526f1ae32a1SGerd Hoffmann break; 1527f1ae32a1SGerd Hoffmann case TR_STATUS: 1528f1ae32a1SGerd Hoffmann reported = 0; 1529f1ae32a1SGerd Hoffmann shortpkt = 0; 1530f1ae32a1SGerd Hoffmann break; 1531f1ae32a1SGerd Hoffmann } 1532f1ae32a1SGerd Hoffmann 153388dbed3fSGerd Hoffmann if (!reported && ((trb->control & TRB_TR_IOC) || 153488dbed3fSGerd Hoffmann (shortpkt && (trb->control & TRB_TR_ISP)) || 153588dbed3fSGerd Hoffmann (xfer->status != CC_SUCCESS && left == 0))) { 1536d6fcb293SGerd Hoffmann event.slotid = xfer->epctx->slotid; 1537d6fcb293SGerd Hoffmann event.epid = xfer->epctx->epid; 1538f1ae32a1SGerd Hoffmann event.length = (trb->status & 0x1ffff) - chunk; 1539f1ae32a1SGerd Hoffmann event.flags = 0; 1540f1ae32a1SGerd Hoffmann event.ptr = trb->addr; 1541f1ae32a1SGerd Hoffmann if (xfer->status == CC_SUCCESS) { 1542f1ae32a1SGerd Hoffmann event.ccode = shortpkt ? CC_SHORT_PACKET : CC_SUCCESS; 1543f1ae32a1SGerd Hoffmann } else { 1544f1ae32a1SGerd Hoffmann event.ccode = xfer->status; 1545f1ae32a1SGerd Hoffmann } 1546f1ae32a1SGerd Hoffmann if (TRB_TYPE(*trb) == TR_EVDATA) { 1547f1ae32a1SGerd Hoffmann event.ptr = trb->parameter; 1548f1ae32a1SGerd Hoffmann event.flags |= TRB_EV_ED; 1549f1ae32a1SGerd Hoffmann event.length = edtla & 0xffffff; 1550f1ae32a1SGerd Hoffmann DPRINTF("xhci_xfer_data: EDTLA=%d\n", event.length); 1551f1ae32a1SGerd Hoffmann edtla = 0; 1552f1ae32a1SGerd Hoffmann } 15532d1de850SGerd Hoffmann xhci_event(xhci, &event, TRB_INTR(*trb)); 1554f1ae32a1SGerd Hoffmann reported = 1; 1555d5a15814SGerd Hoffmann if (xfer->status != CC_SUCCESS) { 1556d5a15814SGerd Hoffmann return; 1557f1ae32a1SGerd Hoffmann } 1558f1ae32a1SGerd Hoffmann } 1559df0f1692SGerd Hoffmann 1560df0f1692SGerd Hoffmann switch (TRB_TYPE(*trb)) { 1561df0f1692SGerd Hoffmann case TR_SETUP: 1562df0f1692SGerd Hoffmann reported = 0; 1563df0f1692SGerd Hoffmann shortpkt = 0; 1564df0f1692SGerd Hoffmann break; 1565df0f1692SGerd Hoffmann } 1566df0f1692SGerd Hoffmann 1567d5a15814SGerd Hoffmann } 1568f1ae32a1SGerd Hoffmann } 1569f1ae32a1SGerd Hoffmann 1570f1ae32a1SGerd Hoffmann static void xhci_stall_ep(XHCITransfer *xfer) 1571f1ae32a1SGerd Hoffmann { 15725612564eSGerd Hoffmann XHCIEPContext *epctx = xfer->epctx; 15735612564eSGerd Hoffmann XHCIState *xhci = epctx->xhci; 1574024426acSGerd Hoffmann uint32_t err; 1575024426acSGerd Hoffmann XHCIStreamContext *sctx; 1576f1ae32a1SGerd Hoffmann 1577a587c832SYuri Benditovich if (epctx->type == ET_ISO_IN || epctx->type == ET_ISO_OUT) { 1578a587c832SYuri Benditovich /* never halt isoch endpoints, 4.10.2 */ 1579a587c832SYuri Benditovich return; 1580a587c832SYuri Benditovich } 1581a587c832SYuri Benditovich 1582024426acSGerd Hoffmann if (epctx->nr_pstreams) { 1583024426acSGerd Hoffmann sctx = xhci_find_stream(epctx, xfer->streamid, &err); 1584024426acSGerd Hoffmann if (sctx == NULL) { 1585024426acSGerd Hoffmann return; 1586024426acSGerd Hoffmann } 1587024426acSGerd Hoffmann sctx->ring.dequeue = xfer->trbs[0].addr; 1588024426acSGerd Hoffmann sctx->ring.ccs = xfer->trbs[0].ccs; 1589024426acSGerd Hoffmann xhci_set_ep_state(xhci, epctx, sctx, EP_HALTED); 1590024426acSGerd Hoffmann } else { 1591f1ae32a1SGerd Hoffmann epctx->ring.dequeue = xfer->trbs[0].addr; 1592f1ae32a1SGerd Hoffmann epctx->ring.ccs = xfer->trbs[0].ccs; 1593024426acSGerd Hoffmann xhci_set_ep_state(xhci, epctx, NULL, EP_HALTED); 1594024426acSGerd Hoffmann } 1595f1ae32a1SGerd Hoffmann } 1596f1ae32a1SGerd Hoffmann 15975c08106fSGerd Hoffmann static int xhci_setup_packet(XHCITransfer *xfer) 15985c08106fSGerd Hoffmann { 1599f1ae32a1SGerd Hoffmann USBEndpoint *ep; 1600f1ae32a1SGerd Hoffmann int dir; 1601f1ae32a1SGerd Hoffmann 1602f1ae32a1SGerd Hoffmann dir = xfer->in_xfer ? USB_TOKEN_IN : USB_TOKEN_OUT; 16035c08106fSGerd Hoffmann 16045c08106fSGerd Hoffmann if (xfer->packet.ep) { 16055c08106fSGerd Hoffmann ep = xfer->packet.ep; 16065c08106fSGerd Hoffmann } else { 1607070eeef9SGerd Hoffmann ep = xhci_epid_to_usbep(xfer->epctx); 1608518ad5f2SHans de Goede if (!ep) { 1609d6bb65fcSGerd Hoffmann DPRINTF("xhci: slot %d has no device\n", 1610ee56264aSLadi Prosek xfer->epctx->slotid); 16115c08106fSGerd Hoffmann return -1; 16125c08106fSGerd Hoffmann } 16135c08106fSGerd Hoffmann } 16145c08106fSGerd Hoffmann 1615a6fb2ddbSHans de Goede xhci_xfer_create_sgl(xfer, dir == USB_TOKEN_IN); /* Also sets int_req */ 1616024426acSGerd Hoffmann usb_packet_setup(&xfer->packet, dir, ep, xfer->streamid, 16178550a02dSGerd Hoffmann xfer->trbs[0].addr, false, xfer->int_req); 1618a6fb2ddbSHans de Goede usb_packet_map(&xfer->packet, &xfer->sgl); 1619f1ae32a1SGerd Hoffmann DPRINTF("xhci: setup packet pid 0x%x addr %d ep %d\n", 1620518ad5f2SHans de Goede xfer->packet.pid, ep->dev->addr, ep->nr); 1621f1ae32a1SGerd Hoffmann return 0; 1622f1ae32a1SGerd Hoffmann } 1623f1ae32a1SGerd Hoffmann 162413e8ff7aSGerd Hoffmann static int xhci_try_complete_packet(XHCITransfer *xfer) 1625f1ae32a1SGerd Hoffmann { 16269a77a0f5SHans de Goede if (xfer->packet.status == USB_RET_ASYNC) { 162797df650bSGerd Hoffmann trace_usb_xhci_xfer_async(xfer); 1628f1ae32a1SGerd Hoffmann xfer->running_async = 1; 1629f1ae32a1SGerd Hoffmann xfer->running_retry = 0; 1630f1ae32a1SGerd Hoffmann xfer->complete = 0; 1631f1ae32a1SGerd Hoffmann return 0; 16329a77a0f5SHans de Goede } else if (xfer->packet.status == USB_RET_NAK) { 163397df650bSGerd Hoffmann trace_usb_xhci_xfer_nak(xfer); 1634f1ae32a1SGerd Hoffmann xfer->running_async = 0; 1635f1ae32a1SGerd Hoffmann xfer->running_retry = 1; 1636f1ae32a1SGerd Hoffmann xfer->complete = 0; 1637f1ae32a1SGerd Hoffmann return 0; 1638f1ae32a1SGerd Hoffmann } else { 1639f1ae32a1SGerd Hoffmann xfer->running_async = 0; 1640f1ae32a1SGerd Hoffmann xfer->running_retry = 0; 1641f1ae32a1SGerd Hoffmann xfer->complete = 1; 1642d5a15814SGerd Hoffmann xhci_xfer_unmap(xfer); 1643f1ae32a1SGerd Hoffmann } 1644f1ae32a1SGerd Hoffmann 16459a77a0f5SHans de Goede if (xfer->packet.status == USB_RET_SUCCESS) { 16469a77a0f5SHans de Goede trace_usb_xhci_xfer_success(xfer, xfer->packet.actual_length); 1647d5a15814SGerd Hoffmann xfer->status = CC_SUCCESS; 1648d5a15814SGerd Hoffmann xhci_xfer_report(xfer); 1649f1ae32a1SGerd Hoffmann return 0; 1650f1ae32a1SGerd Hoffmann } 1651f1ae32a1SGerd Hoffmann 1652f1ae32a1SGerd Hoffmann /* error */ 16539a77a0f5SHans de Goede trace_usb_xhci_xfer_error(xfer, xfer->packet.status); 16549a77a0f5SHans de Goede switch (xfer->packet.status) { 1655f1ae32a1SGerd Hoffmann case USB_RET_NODEV: 1656ed60ff02SGerd Hoffmann case USB_RET_IOERROR: 1657f1ae32a1SGerd Hoffmann xfer->status = CC_USB_TRANSACTION_ERROR; 1658d5a15814SGerd Hoffmann xhci_xfer_report(xfer); 1659f1ae32a1SGerd Hoffmann xhci_stall_ep(xfer); 1660f1ae32a1SGerd Hoffmann break; 1661f1ae32a1SGerd Hoffmann case USB_RET_STALL: 1662f1ae32a1SGerd Hoffmann xfer->status = CC_STALL_ERROR; 1663d5a15814SGerd Hoffmann xhci_xfer_report(xfer); 1664f1ae32a1SGerd Hoffmann xhci_stall_ep(xfer); 1665f1ae32a1SGerd Hoffmann break; 16664e906d56SGerd Hoffmann case USB_RET_BABBLE: 16674e906d56SGerd Hoffmann xfer->status = CC_BABBLE_DETECTED; 16684e906d56SGerd Hoffmann xhci_xfer_report(xfer); 16694e906d56SGerd Hoffmann xhci_stall_ep(xfer); 16704e906d56SGerd Hoffmann break; 1671f1ae32a1SGerd Hoffmann default: 1672d6bb65fcSGerd Hoffmann DPRINTF("%s: FIXME: status = %d\n", __func__, 16739a77a0f5SHans de Goede xfer->packet.status); 1674024426acSGerd Hoffmann FIXME("unhandled USB_RET_*"); 1675f1ae32a1SGerd Hoffmann } 1676f1ae32a1SGerd Hoffmann return 0; 1677f1ae32a1SGerd Hoffmann } 1678f1ae32a1SGerd Hoffmann 1679f1ae32a1SGerd Hoffmann static int xhci_fire_ctl_transfer(XHCIState *xhci, XHCITransfer *xfer) 1680f1ae32a1SGerd Hoffmann { 1681f1ae32a1SGerd Hoffmann XHCITRB *trb_setup, *trb_status; 1682f1ae32a1SGerd Hoffmann uint8_t bmRequestType; 1683f1ae32a1SGerd Hoffmann 1684f1ae32a1SGerd Hoffmann trb_setup = &xfer->trbs[0]; 1685f1ae32a1SGerd Hoffmann trb_status = &xfer->trbs[xfer->trb_count-1]; 1686f1ae32a1SGerd Hoffmann 1687d6fcb293SGerd Hoffmann trace_usb_xhci_xfer_start(xfer, xfer->epctx->slotid, 1688d6fcb293SGerd Hoffmann xfer->epctx->epid, xfer->streamid); 168997df650bSGerd Hoffmann 1690f1ae32a1SGerd Hoffmann /* at most one Event Data TRB allowed after STATUS */ 1691f1ae32a1SGerd Hoffmann if (TRB_TYPE(*trb_status) == TR_EVDATA && xfer->trb_count > 2) { 1692f1ae32a1SGerd Hoffmann trb_status--; 1693f1ae32a1SGerd Hoffmann } 1694f1ae32a1SGerd Hoffmann 1695f1ae32a1SGerd Hoffmann /* do some sanity checks */ 1696f1ae32a1SGerd Hoffmann if (TRB_TYPE(*trb_setup) != TR_SETUP) { 1697d6bb65fcSGerd Hoffmann DPRINTF("xhci: ep0 first TD not SETUP: %d\n", 1698f1ae32a1SGerd Hoffmann TRB_TYPE(*trb_setup)); 1699f1ae32a1SGerd Hoffmann return -1; 1700f1ae32a1SGerd Hoffmann } 1701f1ae32a1SGerd Hoffmann if (TRB_TYPE(*trb_status) != TR_STATUS) { 1702d6bb65fcSGerd Hoffmann DPRINTF("xhci: ep0 last TD not STATUS: %d\n", 1703f1ae32a1SGerd Hoffmann TRB_TYPE(*trb_status)); 1704f1ae32a1SGerd Hoffmann return -1; 1705f1ae32a1SGerd Hoffmann } 1706f1ae32a1SGerd Hoffmann if (!(trb_setup->control & TRB_TR_IDT)) { 1707d6bb65fcSGerd Hoffmann DPRINTF("xhci: Setup TRB doesn't have IDT set\n"); 1708f1ae32a1SGerd Hoffmann return -1; 1709f1ae32a1SGerd Hoffmann } 1710f1ae32a1SGerd Hoffmann if ((trb_setup->status & 0x1ffff) != 8) { 1711d6bb65fcSGerd Hoffmann DPRINTF("xhci: Setup TRB has bad length (%d)\n", 1712f1ae32a1SGerd Hoffmann (trb_setup->status & 0x1ffff)); 1713f1ae32a1SGerd Hoffmann return -1; 1714f1ae32a1SGerd Hoffmann } 1715f1ae32a1SGerd Hoffmann 1716f1ae32a1SGerd Hoffmann bmRequestType = trb_setup->parameter; 1717f1ae32a1SGerd Hoffmann 1718f1ae32a1SGerd Hoffmann xfer->in_xfer = bmRequestType & USB_DIR_IN; 1719f1ae32a1SGerd Hoffmann xfer->iso_xfer = false; 17204d7a81c0SGerd Hoffmann xfer->timed_xfer = false; 1721f1ae32a1SGerd Hoffmann 17225c08106fSGerd Hoffmann if (xhci_setup_packet(xfer) < 0) { 17235c08106fSGerd Hoffmann return -1; 17245c08106fSGerd Hoffmann } 1725f1ae32a1SGerd Hoffmann xfer->packet.parameter = trb_setup->parameter; 1726f1ae32a1SGerd Hoffmann 17279a77a0f5SHans de Goede usb_handle_packet(xfer->packet.ep->dev, &xfer->packet); 172813e8ff7aSGerd Hoffmann xhci_try_complete_packet(xfer); 1729f1ae32a1SGerd Hoffmann return 0; 1730f1ae32a1SGerd Hoffmann } 1731f1ae32a1SGerd Hoffmann 17324d7a81c0SGerd Hoffmann static void xhci_calc_intr_kick(XHCIState *xhci, XHCITransfer *xfer, 17334d7a81c0SGerd Hoffmann XHCIEPContext *epctx, uint64_t mfindex) 17344d7a81c0SGerd Hoffmann { 17354d7a81c0SGerd Hoffmann uint64_t asap = ((mfindex + epctx->interval - 1) & 17364d7a81c0SGerd Hoffmann ~(epctx->interval-1)); 17374d7a81c0SGerd Hoffmann uint64_t kick = epctx->mfindex_last + epctx->interval; 17384d7a81c0SGerd Hoffmann 17394d7a81c0SGerd Hoffmann assert(epctx->interval != 0); 17404d7a81c0SGerd Hoffmann xfer->mfindex_kick = MAX(asap, kick); 17414d7a81c0SGerd Hoffmann } 17424d7a81c0SGerd Hoffmann 17433d139684SGerd Hoffmann static void xhci_calc_iso_kick(XHCIState *xhci, XHCITransfer *xfer, 17443d139684SGerd Hoffmann XHCIEPContext *epctx, uint64_t mfindex) 17453d139684SGerd Hoffmann { 17463d139684SGerd Hoffmann if (xfer->trbs[0].control & TRB_TR_SIA) { 17473d139684SGerd Hoffmann uint64_t asap = ((mfindex + epctx->interval - 1) & 17483d139684SGerd Hoffmann ~(epctx->interval-1)); 17493d139684SGerd Hoffmann if (asap >= epctx->mfindex_last && 17503d139684SGerd Hoffmann asap <= epctx->mfindex_last + epctx->interval * 4) { 17513d139684SGerd Hoffmann xfer->mfindex_kick = epctx->mfindex_last + epctx->interval; 17523d139684SGerd Hoffmann } else { 17533d139684SGerd Hoffmann xfer->mfindex_kick = asap; 17543d139684SGerd Hoffmann } 17553d139684SGerd Hoffmann } else { 1756786ad214SGerd Hoffmann xfer->mfindex_kick = ((xfer->trbs[0].control >> TRB_TR_FRAMEID_SHIFT) 1757786ad214SGerd Hoffmann & TRB_TR_FRAMEID_MASK) << 3; 17583d139684SGerd Hoffmann xfer->mfindex_kick |= mfindex & ~0x3fff; 1759cc03ff9dSGerd Hoffmann if (xfer->mfindex_kick + 0x100 < mfindex) { 17603d139684SGerd Hoffmann xfer->mfindex_kick += 0x4000; 17613d139684SGerd Hoffmann } 17623d139684SGerd Hoffmann } 17633d139684SGerd Hoffmann } 17643d139684SGerd Hoffmann 17654d7a81c0SGerd Hoffmann static void xhci_check_intr_iso_kick(XHCIState *xhci, XHCITransfer *xfer, 17663d139684SGerd Hoffmann XHCIEPContext *epctx, uint64_t mfindex) 17673d139684SGerd Hoffmann { 17683d139684SGerd Hoffmann if (xfer->mfindex_kick > mfindex) { 1769bc72ad67SAlex Bligh timer_mod(epctx->kick_timer, qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) + 17703d139684SGerd Hoffmann (xfer->mfindex_kick - mfindex) * 125000); 17713d139684SGerd Hoffmann xfer->running_retry = 1; 17723d139684SGerd Hoffmann } else { 17733d139684SGerd Hoffmann epctx->mfindex_last = xfer->mfindex_kick; 1774bc72ad67SAlex Bligh timer_del(epctx->kick_timer); 17753d139684SGerd Hoffmann xfer->running_retry = 0; 17763d139684SGerd Hoffmann } 17773d139684SGerd Hoffmann } 17783d139684SGerd Hoffmann 17793d139684SGerd Hoffmann 1780f1ae32a1SGerd Hoffmann static int xhci_submit(XHCIState *xhci, XHCITransfer *xfer, XHCIEPContext *epctx) 1781f1ae32a1SGerd Hoffmann { 17823d139684SGerd Hoffmann uint64_t mfindex; 1783f1ae32a1SGerd Hoffmann 1784ee56264aSLadi Prosek DPRINTF("xhci_submit(slotid=%d,epid=%d)\n", epctx->slotid, epctx->epid); 1785f1ae32a1SGerd Hoffmann 1786f1ae32a1SGerd Hoffmann xfer->in_xfer = epctx->type>>2; 1787f1ae32a1SGerd Hoffmann 1788f1ae32a1SGerd Hoffmann switch(epctx->type) { 1789f1ae32a1SGerd Hoffmann case ET_INTR_OUT: 1790f1ae32a1SGerd Hoffmann case ET_INTR_IN: 17914d7a81c0SGerd Hoffmann xfer->pkts = 0; 17924d7a81c0SGerd Hoffmann xfer->iso_xfer = false; 17934d7a81c0SGerd Hoffmann xfer->timed_xfer = true; 17944d7a81c0SGerd Hoffmann mfindex = xhci_mfindex_get(xhci); 17954d7a81c0SGerd Hoffmann xhci_calc_intr_kick(xhci, xfer, epctx, mfindex); 17964d7a81c0SGerd Hoffmann xhci_check_intr_iso_kick(xhci, xfer, epctx, mfindex); 17974d7a81c0SGerd Hoffmann if (xfer->running_retry) { 17984d7a81c0SGerd Hoffmann return -1; 17994d7a81c0SGerd Hoffmann } 18004d7a81c0SGerd Hoffmann break; 1801f1ae32a1SGerd Hoffmann case ET_BULK_OUT: 1802f1ae32a1SGerd Hoffmann case ET_BULK_IN: 18033d139684SGerd Hoffmann xfer->pkts = 0; 18043d139684SGerd Hoffmann xfer->iso_xfer = false; 18054d7a81c0SGerd Hoffmann xfer->timed_xfer = false; 1806f1ae32a1SGerd Hoffmann break; 1807f1ae32a1SGerd Hoffmann case ET_ISO_OUT: 1808f1ae32a1SGerd Hoffmann case ET_ISO_IN: 18093d139684SGerd Hoffmann xfer->pkts = 1; 18103d139684SGerd Hoffmann xfer->iso_xfer = true; 18114d7a81c0SGerd Hoffmann xfer->timed_xfer = true; 18123d139684SGerd Hoffmann mfindex = xhci_mfindex_get(xhci); 18133d139684SGerd Hoffmann xhci_calc_iso_kick(xhci, xfer, epctx, mfindex); 18144d7a81c0SGerd Hoffmann xhci_check_intr_iso_kick(xhci, xfer, epctx, mfindex); 18153d139684SGerd Hoffmann if (xfer->running_retry) { 18163d139684SGerd Hoffmann return -1; 18173d139684SGerd Hoffmann } 1818f1ae32a1SGerd Hoffmann break; 1819f1ae32a1SGerd Hoffmann default: 18204f9cc734SGerd Hoffmann trace_usb_xhci_unimplemented("endpoint type", epctx->type); 1821f1ae32a1SGerd Hoffmann return -1; 1822f1ae32a1SGerd Hoffmann } 1823f1ae32a1SGerd Hoffmann 18245c08106fSGerd Hoffmann if (xhci_setup_packet(xfer) < 0) { 18255c08106fSGerd Hoffmann return -1; 18265c08106fSGerd Hoffmann } 18279a77a0f5SHans de Goede usb_handle_packet(xfer->packet.ep->dev, &xfer->packet); 182813e8ff7aSGerd Hoffmann xhci_try_complete_packet(xfer); 1829f1ae32a1SGerd Hoffmann return 0; 1830f1ae32a1SGerd Hoffmann } 1831f1ae32a1SGerd Hoffmann 1832f1ae32a1SGerd Hoffmann static int xhci_fire_transfer(XHCIState *xhci, XHCITransfer *xfer, XHCIEPContext *epctx) 1833f1ae32a1SGerd Hoffmann { 1834d6fcb293SGerd Hoffmann trace_usb_xhci_xfer_start(xfer, xfer->epctx->slotid, 1835d6fcb293SGerd Hoffmann xfer->epctx->epid, xfer->streamid); 1836f1ae32a1SGerd Hoffmann return xhci_submit(xhci, xfer, epctx); 1837f1ae32a1SGerd Hoffmann } 1838f1ae32a1SGerd Hoffmann 1839024426acSGerd Hoffmann static void xhci_kick_ep(XHCIState *xhci, unsigned int slotid, 1840024426acSGerd Hoffmann unsigned int epid, unsigned int streamid) 1841f1ae32a1SGerd Hoffmann { 1842f1ae32a1SGerd Hoffmann XHCIEPContext *epctx; 1843f1ae32a1SGerd Hoffmann 184491062ae0SGerd Hoffmann assert(slotid >= 1 && slotid <= xhci->numslots); 1845f1ae32a1SGerd Hoffmann assert(epid >= 1 && epid <= 31); 1846f1ae32a1SGerd Hoffmann 1847f1ae32a1SGerd Hoffmann if (!xhci->slots[slotid-1].enabled) { 1848d6bb65fcSGerd Hoffmann DPRINTF("xhci: xhci_kick_ep for disabled slot %d\n", slotid); 1849f1ae32a1SGerd Hoffmann return; 1850f1ae32a1SGerd Hoffmann } 1851f1ae32a1SGerd Hoffmann epctx = xhci->slots[slotid-1].eps[epid-1]; 1852f1ae32a1SGerd Hoffmann if (!epctx) { 1853d6bb65fcSGerd Hoffmann DPRINTF("xhci: xhci_kick_ep for disabled endpoint %d,%d\n", 1854f1ae32a1SGerd Hoffmann epid, slotid); 1855f1ae32a1SGerd Hoffmann return; 1856f1ae32a1SGerd Hoffmann } 1857f1ae32a1SGerd Hoffmann 185896d87bddSGerd Hoffmann if (epctx->kick_active) { 185996d87bddSGerd Hoffmann return; 186096d87bddSGerd Hoffmann } 18613a533ee8SGerd Hoffmann xhci_kick_epctx(epctx, streamid); 18623a533ee8SGerd Hoffmann } 18633a533ee8SGerd Hoffmann 1864236846a0SGerd Hoffmann static bool xhci_slot_ok(XHCIState *xhci, int slotid) 1865236846a0SGerd Hoffmann { 1866236846a0SGerd Hoffmann return (xhci->slots[slotid - 1].uport && 1867236846a0SGerd Hoffmann xhci->slots[slotid - 1].uport->dev && 1868236846a0SGerd Hoffmann xhci->slots[slotid - 1].uport->dev->attached); 1869236846a0SGerd Hoffmann } 1870236846a0SGerd Hoffmann 18713a533ee8SGerd Hoffmann static void xhci_kick_epctx(XHCIEPContext *epctx, unsigned int streamid) 18723a533ee8SGerd Hoffmann { 18733a533ee8SGerd Hoffmann XHCIState *xhci = epctx->xhci; 1874243afe85SGerd Hoffmann XHCIStreamContext *stctx = NULL; 18753a533ee8SGerd Hoffmann XHCITransfer *xfer; 18763a533ee8SGerd Hoffmann XHCIRing *ring; 18773a533ee8SGerd Hoffmann USBEndpoint *ep = NULL; 18783a533ee8SGerd Hoffmann uint64_t mfindex; 1879f89b60f6SGerd Hoffmann unsigned int count = 0; 18803a533ee8SGerd Hoffmann int length; 18813a533ee8SGerd Hoffmann int i; 18823a533ee8SGerd Hoffmann 18833a533ee8SGerd Hoffmann trace_usb_xhci_ep_kick(epctx->slotid, epctx->epid, streamid); 188496d87bddSGerd Hoffmann assert(!epctx->kick_active); 18853a533ee8SGerd Hoffmann 1886de9de157SHans de Goede /* If the device has been detached, but the guest has not noticed this 1887de9de157SHans de Goede yet the 2 above checks will succeed, but we must NOT continue */ 1888236846a0SGerd Hoffmann if (!xhci_slot_ok(xhci, epctx->slotid)) { 1889de9de157SHans de Goede return; 1890de9de157SHans de Goede } 1891de9de157SHans de Goede 1892f1ae32a1SGerd Hoffmann if (epctx->retry) { 1893f1ae32a1SGerd Hoffmann XHCITransfer *xfer = epctx->retry; 1894f1ae32a1SGerd Hoffmann 189597df650bSGerd Hoffmann trace_usb_xhci_xfer_retry(xfer); 1896f1ae32a1SGerd Hoffmann assert(xfer->running_retry); 18974d7a81c0SGerd Hoffmann if (xfer->timed_xfer) { 18984d7a81c0SGerd Hoffmann /* time to kick the transfer? */ 18993d139684SGerd Hoffmann mfindex = xhci_mfindex_get(xhci); 19004d7a81c0SGerd Hoffmann xhci_check_intr_iso_kick(xhci, xfer, epctx, mfindex); 19013d139684SGerd Hoffmann if (xfer->running_retry) { 19023d139684SGerd Hoffmann return; 19033d139684SGerd Hoffmann } 19044d7a81c0SGerd Hoffmann xfer->timed_xfer = 0; 19054d7a81c0SGerd Hoffmann xfer->running_retry = 1; 19064d7a81c0SGerd Hoffmann } 19074d7a81c0SGerd Hoffmann if (xfer->iso_xfer) { 19084d7a81c0SGerd Hoffmann /* retry iso transfer */ 19093d139684SGerd Hoffmann if (xhci_setup_packet(xfer) < 0) { 19103d139684SGerd Hoffmann return; 19113d139684SGerd Hoffmann } 19129a77a0f5SHans de Goede usb_handle_packet(xfer->packet.ep->dev, &xfer->packet); 19139a77a0f5SHans de Goede assert(xfer->packet.status != USB_RET_NAK); 191413e8ff7aSGerd Hoffmann xhci_try_complete_packet(xfer); 19153d139684SGerd Hoffmann } else { 19163d139684SGerd Hoffmann /* retry nak'ed transfer */ 19175c08106fSGerd Hoffmann if (xhci_setup_packet(xfer) < 0) { 19185c08106fSGerd Hoffmann return; 19195c08106fSGerd Hoffmann } 19209a77a0f5SHans de Goede usb_handle_packet(xfer->packet.ep->dev, &xfer->packet); 19219a77a0f5SHans de Goede if (xfer->packet.status == USB_RET_NAK) { 19227cec2ed9Sfangying xhci_xfer_unmap(xfer); 1923f1ae32a1SGerd Hoffmann return; 1924f1ae32a1SGerd Hoffmann } 192513e8ff7aSGerd Hoffmann xhci_try_complete_packet(xfer); 19263d139684SGerd Hoffmann } 1927f1ae32a1SGerd Hoffmann assert(!xfer->running_retry); 1928f94d18d6SGerd Hoffmann if (xfer->complete) { 1929d54fddeaSGerd Hoffmann /* update ring dequeue ptr */ 1930d54fddeaSGerd Hoffmann xhci_set_ep_state(xhci, epctx, stctx, epctx->state); 193194b037f2SGerd Hoffmann xhci_ep_free_xfer(epctx->retry); 1932f94d18d6SGerd Hoffmann } 1933f1ae32a1SGerd Hoffmann epctx->retry = NULL; 1934f1ae32a1SGerd Hoffmann } 1935f1ae32a1SGerd Hoffmann 1936f1ae32a1SGerd Hoffmann if (epctx->state == EP_HALTED) { 1937f1ae32a1SGerd Hoffmann DPRINTF("xhci: ep halted, not running schedule\n"); 1938f1ae32a1SGerd Hoffmann return; 1939f1ae32a1SGerd Hoffmann } 1940f1ae32a1SGerd Hoffmann 1941024426acSGerd Hoffmann 1942024426acSGerd Hoffmann if (epctx->nr_pstreams) { 1943024426acSGerd Hoffmann uint32_t err; 1944024426acSGerd Hoffmann stctx = xhci_find_stream(epctx, streamid, &err); 1945024426acSGerd Hoffmann if (stctx == NULL) { 1946024426acSGerd Hoffmann return; 1947024426acSGerd Hoffmann } 1948024426acSGerd Hoffmann ring = &stctx->ring; 1949024426acSGerd Hoffmann xhci_set_ep_state(xhci, epctx, stctx, EP_RUNNING); 1950024426acSGerd Hoffmann } else { 1951024426acSGerd Hoffmann ring = &epctx->ring; 1952024426acSGerd Hoffmann streamid = 0; 1953024426acSGerd Hoffmann xhci_set_ep_state(xhci, epctx, NULL, EP_RUNNING); 1954024426acSGerd Hoffmann } 19557d04c2b7SGerd Hoffmann assert(ring->dequeue != 0); 1956f1ae32a1SGerd Hoffmann 195796d87bddSGerd Hoffmann epctx->kick_active++; 1958f1ae32a1SGerd Hoffmann while (1) { 1959024426acSGerd Hoffmann length = xhci_ring_chain_length(xhci, ring); 196094b037f2SGerd Hoffmann if (length <= 0) { 1961b4329d1aSYuri Benditovich if (epctx->type == ET_ISO_OUT || epctx->type == ET_ISO_IN) { 1962b4329d1aSYuri Benditovich /* 4.10.3.1 */ 1963b4329d1aSYuri Benditovich XHCIEvent ev = { ER_TRANSFER }; 1964b4329d1aSYuri Benditovich ev.ccode = epctx->type == ET_ISO_IN ? 1965b4329d1aSYuri Benditovich CC_RING_OVERRUN : CC_RING_UNDERRUN; 1966b4329d1aSYuri Benditovich ev.slotid = epctx->slotid; 1967b4329d1aSYuri Benditovich ev.epid = epctx->epid; 1968b4329d1aSYuri Benditovich ev.ptr = epctx->ring.dequeue; 1969b4329d1aSYuri Benditovich xhci_event(xhci, &ev, xhci->slots[epctx->slotid-1].intr); 1970b4329d1aSYuri Benditovich } 1971f1ae32a1SGerd Hoffmann break; 1972f1ae32a1SGerd Hoffmann } 197394b037f2SGerd Hoffmann xfer = xhci_ep_alloc_xfer(epctx, length); 197494b037f2SGerd Hoffmann if (xfer == NULL) { 197594b037f2SGerd Hoffmann break; 1976f1ae32a1SGerd Hoffmann } 1977f1ae32a1SGerd Hoffmann 1978f1ae32a1SGerd Hoffmann for (i = 0; i < length; i++) { 1979f81bb347SAlexey Kardashevskiy TRBType type; 1980f81bb347SAlexey Kardashevskiy type = xhci_ring_fetch(xhci, ring, &xfer->trbs[i], NULL); 19818f36ec70SGerd Hoffmann if (!type) { 19828f36ec70SGerd Hoffmann xhci_die(xhci); 19838f36ec70SGerd Hoffmann xhci_ep_free_xfer(xfer); 19848f36ec70SGerd Hoffmann epctx->kick_active--; 19858f36ec70SGerd Hoffmann return; 19868f36ec70SGerd Hoffmann } 1987f1ae32a1SGerd Hoffmann } 1988024426acSGerd Hoffmann xfer->streamid = streamid; 1989f1ae32a1SGerd Hoffmann 19903a533ee8SGerd Hoffmann if (epctx->epid == 1) { 199194b037f2SGerd Hoffmann xhci_fire_ctl_transfer(xhci, xfer); 1992f1ae32a1SGerd Hoffmann } else { 199394b037f2SGerd Hoffmann xhci_fire_transfer(xhci, xfer, epctx); 1994f1ae32a1SGerd Hoffmann } 1995236846a0SGerd Hoffmann if (!xhci_slot_ok(xhci, epctx->slotid)) { 1996236846a0SGerd Hoffmann /* surprise removal -> stop processing */ 1997236846a0SGerd Hoffmann break; 1998236846a0SGerd Hoffmann } 199994b037f2SGerd Hoffmann if (xfer->complete) { 2000d54fddeaSGerd Hoffmann /* update ring dequeue ptr */ 2001d54fddeaSGerd Hoffmann xhci_set_ep_state(xhci, epctx, stctx, epctx->state); 200294b037f2SGerd Hoffmann xhci_ep_free_xfer(xfer); 200394b037f2SGerd Hoffmann xfer = NULL; 20043d139684SGerd Hoffmann } 2005f1ae32a1SGerd Hoffmann 2006f1ae32a1SGerd Hoffmann if (epctx->state == EP_HALTED) { 2007f1ae32a1SGerd Hoffmann break; 2008f1ae32a1SGerd Hoffmann } 200994b037f2SGerd Hoffmann if (xfer != NULL && xfer->running_retry) { 2010f1ae32a1SGerd Hoffmann DPRINTF("xhci: xfer nacked, stopping schedule\n"); 2011f1ae32a1SGerd Hoffmann epctx->retry = xfer; 201234b9d6a1SChen Qun xhci_xfer_unmap(xfer); 2013f1ae32a1SGerd Hoffmann break; 2014f1ae32a1SGerd Hoffmann } 2015f89b60f6SGerd Hoffmann if (count++ > TRANSFER_LIMIT) { 2016f89b60f6SGerd Hoffmann trace_usb_xhci_enforced_limit("transfers"); 2017f89b60f6SGerd Hoffmann break; 2018f89b60f6SGerd Hoffmann } 2019f1ae32a1SGerd Hoffmann } 202096d87bddSGerd Hoffmann epctx->kick_active--; 2021518ad5f2SHans de Goede 2022070eeef9SGerd Hoffmann ep = xhci_epid_to_usbep(epctx); 202336dfe324SHans de Goede if (ep) { 202436dfe324SHans de Goede usb_device_flush_ep_queue(ep->dev, ep); 202536dfe324SHans de Goede } 2026f1ae32a1SGerd Hoffmann } 2027f1ae32a1SGerd Hoffmann 2028f1ae32a1SGerd Hoffmann static TRBCCode xhci_enable_slot(XHCIState *xhci, unsigned int slotid) 2029f1ae32a1SGerd Hoffmann { 2030348f1037SGerd Hoffmann trace_usb_xhci_slot_enable(slotid); 203191062ae0SGerd Hoffmann assert(slotid >= 1 && slotid <= xhci->numslots); 2032f1ae32a1SGerd Hoffmann xhci->slots[slotid-1].enabled = 1; 2033ccaf87a0SGerd Hoffmann xhci->slots[slotid-1].uport = NULL; 2034f1ae32a1SGerd Hoffmann memset(xhci->slots[slotid-1].eps, 0, sizeof(XHCIEPContext*)*31); 2035f1ae32a1SGerd Hoffmann 2036f1ae32a1SGerd Hoffmann return CC_SUCCESS; 2037f1ae32a1SGerd Hoffmann } 2038f1ae32a1SGerd Hoffmann 2039f1ae32a1SGerd Hoffmann static TRBCCode xhci_disable_slot(XHCIState *xhci, unsigned int slotid) 2040f1ae32a1SGerd Hoffmann { 2041f1ae32a1SGerd Hoffmann int i; 2042f1ae32a1SGerd Hoffmann 2043348f1037SGerd Hoffmann trace_usb_xhci_slot_disable(slotid); 204491062ae0SGerd Hoffmann assert(slotid >= 1 && slotid <= xhci->numslots); 2045f1ae32a1SGerd Hoffmann 2046f1ae32a1SGerd Hoffmann for (i = 1; i <= 31; i++) { 2047f1ae32a1SGerd Hoffmann if (xhci->slots[slotid-1].eps[i-1]) { 2048f1ae32a1SGerd Hoffmann xhci_disable_ep(xhci, slotid, i); 2049f1ae32a1SGerd Hoffmann } 2050f1ae32a1SGerd Hoffmann } 2051f1ae32a1SGerd Hoffmann 2052f1ae32a1SGerd Hoffmann xhci->slots[slotid-1].enabled = 0; 20534034e693SGerd Hoffmann xhci->slots[slotid-1].addressed = 0; 20545c67dd7bSGerd Hoffmann xhci->slots[slotid-1].uport = NULL; 2055b4329d1aSYuri Benditovich xhci->slots[slotid-1].intr = 0; 2056f1ae32a1SGerd Hoffmann return CC_SUCCESS; 2057f1ae32a1SGerd Hoffmann } 2058f1ae32a1SGerd Hoffmann 2059ccaf87a0SGerd Hoffmann static USBPort *xhci_lookup_uport(XHCIState *xhci, uint32_t *slot_ctx) 2060ccaf87a0SGerd Hoffmann { 2061ccaf87a0SGerd Hoffmann USBPort *uport; 2062ccaf87a0SGerd Hoffmann char path[32]; 2063ccaf87a0SGerd Hoffmann int i, pos, port; 2064ccaf87a0SGerd Hoffmann 2065ccaf87a0SGerd Hoffmann port = (slot_ctx[1]>>16) & 0xFF; 2066f2ad97ffSGerd Hoffmann if (port < 1 || port > xhci->numports) { 2067f2ad97ffSGerd Hoffmann return NULL; 2068f2ad97ffSGerd Hoffmann } 2069ccaf87a0SGerd Hoffmann port = xhci->ports[port-1].uport->index+1; 2070ccaf87a0SGerd Hoffmann pos = snprintf(path, sizeof(path), "%d", port); 2071ccaf87a0SGerd Hoffmann for (i = 0; i < 5; i++) { 2072ccaf87a0SGerd Hoffmann port = (slot_ctx[0] >> 4*i) & 0x0f; 2073ccaf87a0SGerd Hoffmann if (!port) { 2074ccaf87a0SGerd Hoffmann break; 2075ccaf87a0SGerd Hoffmann } 2076ccaf87a0SGerd Hoffmann pos += snprintf(path + pos, sizeof(path) - pos, ".%d", port); 2077ccaf87a0SGerd Hoffmann } 2078ccaf87a0SGerd Hoffmann 2079ccaf87a0SGerd Hoffmann QTAILQ_FOREACH(uport, &xhci->bus.used, next) { 2080ccaf87a0SGerd Hoffmann if (strcmp(uport->path, path) == 0) { 2081ccaf87a0SGerd Hoffmann return uport; 2082ccaf87a0SGerd Hoffmann } 2083ccaf87a0SGerd Hoffmann } 2084ccaf87a0SGerd Hoffmann return NULL; 2085ccaf87a0SGerd Hoffmann } 2086ccaf87a0SGerd Hoffmann 2087f1ae32a1SGerd Hoffmann static TRBCCode xhci_address_slot(XHCIState *xhci, unsigned int slotid, 2088f1ae32a1SGerd Hoffmann uint64_t pictx, bool bsr) 2089f1ae32a1SGerd Hoffmann { 2090f1ae32a1SGerd Hoffmann XHCISlot *slot; 2091ccaf87a0SGerd Hoffmann USBPort *uport; 2092f1ae32a1SGerd Hoffmann USBDevice *dev; 209359a70ccdSDavid Gibson dma_addr_t ictx, octx, dcbaap; 2094f1ae32a1SGerd Hoffmann uint64_t poctx; 2095f1ae32a1SGerd Hoffmann uint32_t ictl_ctx[2]; 2096f1ae32a1SGerd Hoffmann uint32_t slot_ctx[4]; 2097f1ae32a1SGerd Hoffmann uint32_t ep0_ctx[5]; 2098f1ae32a1SGerd Hoffmann int i; 2099f1ae32a1SGerd Hoffmann TRBCCode res; 2100f1ae32a1SGerd Hoffmann 210191062ae0SGerd Hoffmann assert(slotid >= 1 && slotid <= xhci->numslots); 2102f1ae32a1SGerd Hoffmann 2103f1ae32a1SGerd Hoffmann dcbaap = xhci_addr64(xhci->dcbaap_low, xhci->dcbaap_high); 21049b7d3334SAndreas Färber poctx = ldq_le_pci_dma(PCI_DEVICE(xhci), dcbaap + 8 * slotid); 2105f1ae32a1SGerd Hoffmann ictx = xhci_mask64(pictx); 2106616b5d53SDavid Gibson octx = xhci_mask64(poctx); 2107f1ae32a1SGerd Hoffmann 210859a70ccdSDavid Gibson DPRINTF("xhci: input context at "DMA_ADDR_FMT"\n", ictx); 210959a70ccdSDavid Gibson DPRINTF("xhci: output context at "DMA_ADDR_FMT"\n", octx); 2110f1ae32a1SGerd Hoffmann 2111616b5d53SDavid Gibson xhci_dma_read_u32s(xhci, ictx, ictl_ctx, sizeof(ictl_ctx)); 2112f1ae32a1SGerd Hoffmann 2113f1ae32a1SGerd Hoffmann if (ictl_ctx[0] != 0x0 || ictl_ctx[1] != 0x3) { 2114d6bb65fcSGerd Hoffmann DPRINTF("xhci: invalid input context control %08x %08x\n", 2115f1ae32a1SGerd Hoffmann ictl_ctx[0], ictl_ctx[1]); 2116f1ae32a1SGerd Hoffmann return CC_TRB_ERROR; 2117f1ae32a1SGerd Hoffmann } 2118f1ae32a1SGerd Hoffmann 2119616b5d53SDavid Gibson xhci_dma_read_u32s(xhci, ictx+32, slot_ctx, sizeof(slot_ctx)); 2120616b5d53SDavid Gibson xhci_dma_read_u32s(xhci, ictx+64, ep0_ctx, sizeof(ep0_ctx)); 2121f1ae32a1SGerd Hoffmann 2122f1ae32a1SGerd Hoffmann DPRINTF("xhci: input slot context: %08x %08x %08x %08x\n", 2123f1ae32a1SGerd Hoffmann slot_ctx[0], slot_ctx[1], slot_ctx[2], slot_ctx[3]); 2124f1ae32a1SGerd Hoffmann 2125f1ae32a1SGerd Hoffmann DPRINTF("xhci: input ep0 context: %08x %08x %08x %08x %08x\n", 2126f1ae32a1SGerd Hoffmann ep0_ctx[0], ep0_ctx[1], ep0_ctx[2], ep0_ctx[3], ep0_ctx[4]); 2127f1ae32a1SGerd Hoffmann 2128ccaf87a0SGerd Hoffmann uport = xhci_lookup_uport(xhci, slot_ctx); 2129ccaf87a0SGerd Hoffmann if (uport == NULL) { 2130d6bb65fcSGerd Hoffmann DPRINTF("xhci: port not found\n"); 2131f1ae32a1SGerd Hoffmann return CC_TRB_ERROR; 2132ccaf87a0SGerd Hoffmann } 213365d81ed4SGerd Hoffmann trace_usb_xhci_slot_address(slotid, uport->path); 2134ccaf87a0SGerd Hoffmann 2135ccaf87a0SGerd Hoffmann dev = uport->dev; 2136de9de157SHans de Goede if (!dev || !dev->attached) { 2137d6bb65fcSGerd Hoffmann DPRINTF("xhci: port %s not connected\n", uport->path); 2138f1ae32a1SGerd Hoffmann return CC_USB_TRANSACTION_ERROR; 2139f1ae32a1SGerd Hoffmann } 2140f1ae32a1SGerd Hoffmann 214191062ae0SGerd Hoffmann for (i = 0; i < xhci->numslots; i++) { 21420bc85da6SGerd Hoffmann if (i == slotid-1) { 21430bc85da6SGerd Hoffmann continue; 21440bc85da6SGerd Hoffmann } 2145ccaf87a0SGerd Hoffmann if (xhci->slots[i].uport == uport) { 2146d6bb65fcSGerd Hoffmann DPRINTF("xhci: port %s already assigned to slot %d\n", 2147ccaf87a0SGerd Hoffmann uport->path, i+1); 2148f1ae32a1SGerd Hoffmann return CC_TRB_ERROR; 2149f1ae32a1SGerd Hoffmann } 2150f1ae32a1SGerd Hoffmann } 2151f1ae32a1SGerd Hoffmann 2152f1ae32a1SGerd Hoffmann slot = &xhci->slots[slotid-1]; 2153ccaf87a0SGerd Hoffmann slot->uport = uport; 2154f1ae32a1SGerd Hoffmann slot->ctx = octx; 2155b4329d1aSYuri Benditovich slot->intr = get_field(slot_ctx[2], TRB_INTR); 2156f1ae32a1SGerd Hoffmann 2157a4055d85SZhang Shuaiyi /* Make sure device is in USB_STATE_DEFAULT state */ 2158a4055d85SZhang Shuaiyi usb_device_reset(dev); 2159f1ae32a1SGerd Hoffmann if (bsr) { 2160f1ae32a1SGerd Hoffmann slot_ctx[3] = SLOT_DEFAULT << SLOT_STATE_SHIFT; 2161f1ae32a1SGerd Hoffmann } else { 2162a820b575SGerd Hoffmann USBPacket p; 2163a6718874SGerd Hoffmann uint8_t buf[1]; 2164a6718874SGerd Hoffmann 2165af203be3SGerd Hoffmann slot_ctx[3] = (SLOT_ADDRESSED << SLOT_STATE_SHIFT) | slotid; 2166a6718874SGerd Hoffmann memset(&p, 0, sizeof(p)); 2167a6718874SGerd Hoffmann usb_packet_addbuf(&p, buf, sizeof(buf)); 2168a820b575SGerd Hoffmann usb_packet_setup(&p, USB_TOKEN_OUT, 21698550a02dSGerd Hoffmann usb_ep_get(dev, USB_TOKEN_OUT, 0), 0, 2170a820b575SGerd Hoffmann 0, false, false); 2171a820b575SGerd Hoffmann usb_device_handle_control(dev, &p, 2172f1ae32a1SGerd Hoffmann DeviceOutRequest | USB_REQ_SET_ADDRESS, 2173af203be3SGerd Hoffmann slotid, 0, 0, NULL); 2174a820b575SGerd Hoffmann assert(p.status != USB_RET_ASYNC); 2175c9e38592SYing Fang usb_packet_cleanup(&p); 2176f1ae32a1SGerd Hoffmann } 2177f1ae32a1SGerd Hoffmann 2178f1ae32a1SGerd Hoffmann res = xhci_enable_ep(xhci, slotid, 1, octx+32, ep0_ctx); 2179f1ae32a1SGerd Hoffmann 2180f1ae32a1SGerd Hoffmann DPRINTF("xhci: output slot context: %08x %08x %08x %08x\n", 2181f1ae32a1SGerd Hoffmann slot_ctx[0], slot_ctx[1], slot_ctx[2], slot_ctx[3]); 2182f1ae32a1SGerd Hoffmann DPRINTF("xhci: output ep0 context: %08x %08x %08x %08x %08x\n", 2183f1ae32a1SGerd Hoffmann ep0_ctx[0], ep0_ctx[1], ep0_ctx[2], ep0_ctx[3], ep0_ctx[4]); 2184f1ae32a1SGerd Hoffmann 2185616b5d53SDavid Gibson xhci_dma_write_u32s(xhci, octx, slot_ctx, sizeof(slot_ctx)); 2186616b5d53SDavid Gibson xhci_dma_write_u32s(xhci, octx+32, ep0_ctx, sizeof(ep0_ctx)); 2187f1ae32a1SGerd Hoffmann 21884034e693SGerd Hoffmann xhci->slots[slotid-1].addressed = 1; 2189f1ae32a1SGerd Hoffmann return res; 2190f1ae32a1SGerd Hoffmann } 2191f1ae32a1SGerd Hoffmann 2192f1ae32a1SGerd Hoffmann 2193f1ae32a1SGerd Hoffmann static TRBCCode xhci_configure_slot(XHCIState *xhci, unsigned int slotid, 2194f1ae32a1SGerd Hoffmann uint64_t pictx, bool dc) 2195f1ae32a1SGerd Hoffmann { 219659a70ccdSDavid Gibson dma_addr_t ictx, octx; 2197f1ae32a1SGerd Hoffmann uint32_t ictl_ctx[2]; 2198f1ae32a1SGerd Hoffmann uint32_t slot_ctx[4]; 2199f1ae32a1SGerd Hoffmann uint32_t islot_ctx[4]; 2200f1ae32a1SGerd Hoffmann uint32_t ep_ctx[5]; 2201f1ae32a1SGerd Hoffmann int i; 2202f1ae32a1SGerd Hoffmann TRBCCode res; 2203f1ae32a1SGerd Hoffmann 2204348f1037SGerd Hoffmann trace_usb_xhci_slot_configure(slotid); 220591062ae0SGerd Hoffmann assert(slotid >= 1 && slotid <= xhci->numslots); 2206f1ae32a1SGerd Hoffmann 2207f1ae32a1SGerd Hoffmann ictx = xhci_mask64(pictx); 2208f1ae32a1SGerd Hoffmann octx = xhci->slots[slotid-1].ctx; 2209f1ae32a1SGerd Hoffmann 221059a70ccdSDavid Gibson DPRINTF("xhci: input context at "DMA_ADDR_FMT"\n", ictx); 221159a70ccdSDavid Gibson DPRINTF("xhci: output context at "DMA_ADDR_FMT"\n", octx); 2212f1ae32a1SGerd Hoffmann 2213f1ae32a1SGerd Hoffmann if (dc) { 2214f1ae32a1SGerd Hoffmann for (i = 2; i <= 31; i++) { 2215f1ae32a1SGerd Hoffmann if (xhci->slots[slotid-1].eps[i-1]) { 2216f1ae32a1SGerd Hoffmann xhci_disable_ep(xhci, slotid, i); 2217f1ae32a1SGerd Hoffmann } 2218f1ae32a1SGerd Hoffmann } 2219f1ae32a1SGerd Hoffmann 2220616b5d53SDavid Gibson xhci_dma_read_u32s(xhci, octx, slot_ctx, sizeof(slot_ctx)); 2221f1ae32a1SGerd Hoffmann slot_ctx[3] &= ~(SLOT_STATE_MASK << SLOT_STATE_SHIFT); 2222f1ae32a1SGerd Hoffmann slot_ctx[3] |= SLOT_ADDRESSED << SLOT_STATE_SHIFT; 2223f1ae32a1SGerd Hoffmann DPRINTF("xhci: output slot context: %08x %08x %08x %08x\n", 2224f1ae32a1SGerd Hoffmann slot_ctx[0], slot_ctx[1], slot_ctx[2], slot_ctx[3]); 2225616b5d53SDavid Gibson xhci_dma_write_u32s(xhci, octx, slot_ctx, sizeof(slot_ctx)); 2226f1ae32a1SGerd Hoffmann 2227f1ae32a1SGerd Hoffmann return CC_SUCCESS; 2228f1ae32a1SGerd Hoffmann } 2229f1ae32a1SGerd Hoffmann 2230616b5d53SDavid Gibson xhci_dma_read_u32s(xhci, ictx, ictl_ctx, sizeof(ictl_ctx)); 2231f1ae32a1SGerd Hoffmann 2232f1ae32a1SGerd Hoffmann if ((ictl_ctx[0] & 0x3) != 0x0 || (ictl_ctx[1] & 0x3) != 0x1) { 2233d6bb65fcSGerd Hoffmann DPRINTF("xhci: invalid input context control %08x %08x\n", 2234f1ae32a1SGerd Hoffmann ictl_ctx[0], ictl_ctx[1]); 2235f1ae32a1SGerd Hoffmann return CC_TRB_ERROR; 2236f1ae32a1SGerd Hoffmann } 2237f1ae32a1SGerd Hoffmann 2238616b5d53SDavid Gibson xhci_dma_read_u32s(xhci, ictx+32, islot_ctx, sizeof(islot_ctx)); 2239616b5d53SDavid Gibson xhci_dma_read_u32s(xhci, octx, slot_ctx, sizeof(slot_ctx)); 2240f1ae32a1SGerd Hoffmann 2241f1ae32a1SGerd Hoffmann if (SLOT_STATE(slot_ctx[3]) < SLOT_ADDRESSED) { 2242d6bb65fcSGerd Hoffmann DPRINTF("xhci: invalid slot state %08x\n", slot_ctx[3]); 2243f1ae32a1SGerd Hoffmann return CC_CONTEXT_STATE_ERROR; 2244f1ae32a1SGerd Hoffmann } 2245f1ae32a1SGerd Hoffmann 224672391da5SHans de Goede xhci_free_device_streams(xhci, slotid, ictl_ctx[0] | ictl_ctx[1]); 224772391da5SHans de Goede 2248f1ae32a1SGerd Hoffmann for (i = 2; i <= 31; i++) { 2249f1ae32a1SGerd Hoffmann if (ictl_ctx[0] & (1<<i)) { 2250f1ae32a1SGerd Hoffmann xhci_disable_ep(xhci, slotid, i); 2251f1ae32a1SGerd Hoffmann } 2252f1ae32a1SGerd Hoffmann if (ictl_ctx[1] & (1<<i)) { 2253616b5d53SDavid Gibson xhci_dma_read_u32s(xhci, ictx+32+(32*i), ep_ctx, sizeof(ep_ctx)); 2254f1ae32a1SGerd Hoffmann DPRINTF("xhci: input ep%d.%d context: %08x %08x %08x %08x %08x\n", 2255f1ae32a1SGerd Hoffmann i/2, i%2, ep_ctx[0], ep_ctx[1], ep_ctx[2], 2256f1ae32a1SGerd Hoffmann ep_ctx[3], ep_ctx[4]); 2257f1ae32a1SGerd Hoffmann xhci_disable_ep(xhci, slotid, i); 2258f1ae32a1SGerd Hoffmann res = xhci_enable_ep(xhci, slotid, i, octx+(32*i), ep_ctx); 2259f1ae32a1SGerd Hoffmann if (res != CC_SUCCESS) { 2260f1ae32a1SGerd Hoffmann return res; 2261f1ae32a1SGerd Hoffmann } 2262f1ae32a1SGerd Hoffmann DPRINTF("xhci: output ep%d.%d context: %08x %08x %08x %08x %08x\n", 2263f1ae32a1SGerd Hoffmann i/2, i%2, ep_ctx[0], ep_ctx[1], ep_ctx[2], 2264f1ae32a1SGerd Hoffmann ep_ctx[3], ep_ctx[4]); 2265616b5d53SDavid Gibson xhci_dma_write_u32s(xhci, octx+(32*i), ep_ctx, sizeof(ep_ctx)); 2266f1ae32a1SGerd Hoffmann } 2267f1ae32a1SGerd Hoffmann } 2268f1ae32a1SGerd Hoffmann 226972391da5SHans de Goede res = xhci_alloc_device_streams(xhci, slotid, ictl_ctx[1]); 227072391da5SHans de Goede if (res != CC_SUCCESS) { 227172391da5SHans de Goede for (i = 2; i <= 31; i++) { 22723d80365bSGerd Hoffmann if (ictl_ctx[1] & (1u << i)) { 227372391da5SHans de Goede xhci_disable_ep(xhci, slotid, i); 227472391da5SHans de Goede } 227572391da5SHans de Goede } 227672391da5SHans de Goede return res; 227772391da5SHans de Goede } 227872391da5SHans de Goede 2279f1ae32a1SGerd Hoffmann slot_ctx[3] &= ~(SLOT_STATE_MASK << SLOT_STATE_SHIFT); 2280f1ae32a1SGerd Hoffmann slot_ctx[3] |= SLOT_CONFIGURED << SLOT_STATE_SHIFT; 2281f1ae32a1SGerd Hoffmann slot_ctx[0] &= ~(SLOT_CONTEXT_ENTRIES_MASK << SLOT_CONTEXT_ENTRIES_SHIFT); 2282f1ae32a1SGerd Hoffmann slot_ctx[0] |= islot_ctx[0] & (SLOT_CONTEXT_ENTRIES_MASK << 2283f1ae32a1SGerd Hoffmann SLOT_CONTEXT_ENTRIES_SHIFT); 2284f1ae32a1SGerd Hoffmann DPRINTF("xhci: output slot context: %08x %08x %08x %08x\n", 2285f1ae32a1SGerd Hoffmann slot_ctx[0], slot_ctx[1], slot_ctx[2], slot_ctx[3]); 2286f1ae32a1SGerd Hoffmann 2287616b5d53SDavid Gibson xhci_dma_write_u32s(xhci, octx, slot_ctx, sizeof(slot_ctx)); 2288f1ae32a1SGerd Hoffmann 2289f1ae32a1SGerd Hoffmann return CC_SUCCESS; 2290f1ae32a1SGerd Hoffmann } 2291f1ae32a1SGerd Hoffmann 2292f1ae32a1SGerd Hoffmann 2293f1ae32a1SGerd Hoffmann static TRBCCode xhci_evaluate_slot(XHCIState *xhci, unsigned int slotid, 2294f1ae32a1SGerd Hoffmann uint64_t pictx) 2295f1ae32a1SGerd Hoffmann { 229659a70ccdSDavid Gibson dma_addr_t ictx, octx; 2297f1ae32a1SGerd Hoffmann uint32_t ictl_ctx[2]; 2298f1ae32a1SGerd Hoffmann uint32_t iep0_ctx[5]; 2299f1ae32a1SGerd Hoffmann uint32_t ep0_ctx[5]; 2300f1ae32a1SGerd Hoffmann uint32_t islot_ctx[4]; 2301f1ae32a1SGerd Hoffmann uint32_t slot_ctx[4]; 2302f1ae32a1SGerd Hoffmann 2303348f1037SGerd Hoffmann trace_usb_xhci_slot_evaluate(slotid); 230491062ae0SGerd Hoffmann assert(slotid >= 1 && slotid <= xhci->numslots); 2305f1ae32a1SGerd Hoffmann 2306f1ae32a1SGerd Hoffmann ictx = xhci_mask64(pictx); 2307f1ae32a1SGerd Hoffmann octx = xhci->slots[slotid-1].ctx; 2308f1ae32a1SGerd Hoffmann 230959a70ccdSDavid Gibson DPRINTF("xhci: input context at "DMA_ADDR_FMT"\n", ictx); 231059a70ccdSDavid Gibson DPRINTF("xhci: output context at "DMA_ADDR_FMT"\n", octx); 2311f1ae32a1SGerd Hoffmann 2312616b5d53SDavid Gibson xhci_dma_read_u32s(xhci, ictx, ictl_ctx, sizeof(ictl_ctx)); 2313f1ae32a1SGerd Hoffmann 2314f1ae32a1SGerd Hoffmann if (ictl_ctx[0] != 0x0 || ictl_ctx[1] & ~0x3) { 2315d6bb65fcSGerd Hoffmann DPRINTF("xhci: invalid input context control %08x %08x\n", 2316f1ae32a1SGerd Hoffmann ictl_ctx[0], ictl_ctx[1]); 2317f1ae32a1SGerd Hoffmann return CC_TRB_ERROR; 2318f1ae32a1SGerd Hoffmann } 2319f1ae32a1SGerd Hoffmann 2320f1ae32a1SGerd Hoffmann if (ictl_ctx[1] & 0x1) { 2321616b5d53SDavid Gibson xhci_dma_read_u32s(xhci, ictx+32, islot_ctx, sizeof(islot_ctx)); 2322f1ae32a1SGerd Hoffmann 2323f1ae32a1SGerd Hoffmann DPRINTF("xhci: input slot context: %08x %08x %08x %08x\n", 2324f1ae32a1SGerd Hoffmann islot_ctx[0], islot_ctx[1], islot_ctx[2], islot_ctx[3]); 2325f1ae32a1SGerd Hoffmann 2326616b5d53SDavid Gibson xhci_dma_read_u32s(xhci, octx, slot_ctx, sizeof(slot_ctx)); 2327f1ae32a1SGerd Hoffmann 2328f1ae32a1SGerd Hoffmann slot_ctx[1] &= ~0xFFFF; /* max exit latency */ 2329f1ae32a1SGerd Hoffmann slot_ctx[1] |= islot_ctx[1] & 0xFFFF; 2330b4329d1aSYuri Benditovich /* update interrupter target field */ 2331b4329d1aSYuri Benditovich xhci->slots[slotid-1].intr = get_field(islot_ctx[2], TRB_INTR); 2332b4329d1aSYuri Benditovich set_field(&slot_ctx[2], xhci->slots[slotid-1].intr, TRB_INTR); 2333f1ae32a1SGerd Hoffmann 2334f1ae32a1SGerd Hoffmann DPRINTF("xhci: output slot context: %08x %08x %08x %08x\n", 2335f1ae32a1SGerd Hoffmann slot_ctx[0], slot_ctx[1], slot_ctx[2], slot_ctx[3]); 2336f1ae32a1SGerd Hoffmann 2337616b5d53SDavid Gibson xhci_dma_write_u32s(xhci, octx, slot_ctx, sizeof(slot_ctx)); 2338f1ae32a1SGerd Hoffmann } 2339f1ae32a1SGerd Hoffmann 2340f1ae32a1SGerd Hoffmann if (ictl_ctx[1] & 0x2) { 2341616b5d53SDavid Gibson xhci_dma_read_u32s(xhci, ictx+64, iep0_ctx, sizeof(iep0_ctx)); 2342f1ae32a1SGerd Hoffmann 2343f1ae32a1SGerd Hoffmann DPRINTF("xhci: input ep0 context: %08x %08x %08x %08x %08x\n", 2344f1ae32a1SGerd Hoffmann iep0_ctx[0], iep0_ctx[1], iep0_ctx[2], 2345f1ae32a1SGerd Hoffmann iep0_ctx[3], iep0_ctx[4]); 2346f1ae32a1SGerd Hoffmann 2347616b5d53SDavid Gibson xhci_dma_read_u32s(xhci, octx+32, ep0_ctx, sizeof(ep0_ctx)); 2348f1ae32a1SGerd Hoffmann 2349f1ae32a1SGerd Hoffmann ep0_ctx[1] &= ~0xFFFF0000; /* max packet size*/ 2350f1ae32a1SGerd Hoffmann ep0_ctx[1] |= iep0_ctx[1] & 0xFFFF0000; 2351f1ae32a1SGerd Hoffmann 2352f1ae32a1SGerd Hoffmann DPRINTF("xhci: output ep0 context: %08x %08x %08x %08x %08x\n", 2353f1ae32a1SGerd Hoffmann ep0_ctx[0], ep0_ctx[1], ep0_ctx[2], ep0_ctx[3], ep0_ctx[4]); 2354f1ae32a1SGerd Hoffmann 2355616b5d53SDavid Gibson xhci_dma_write_u32s(xhci, octx+32, ep0_ctx, sizeof(ep0_ctx)); 2356f1ae32a1SGerd Hoffmann } 2357f1ae32a1SGerd Hoffmann 2358f1ae32a1SGerd Hoffmann return CC_SUCCESS; 2359f1ae32a1SGerd Hoffmann } 2360f1ae32a1SGerd Hoffmann 2361f1ae32a1SGerd Hoffmann static TRBCCode xhci_reset_slot(XHCIState *xhci, unsigned int slotid) 2362f1ae32a1SGerd Hoffmann { 2363f1ae32a1SGerd Hoffmann uint32_t slot_ctx[4]; 236459a70ccdSDavid Gibson dma_addr_t octx; 2365f1ae32a1SGerd Hoffmann int i; 2366f1ae32a1SGerd Hoffmann 2367348f1037SGerd Hoffmann trace_usb_xhci_slot_reset(slotid); 236891062ae0SGerd Hoffmann assert(slotid >= 1 && slotid <= xhci->numslots); 2369f1ae32a1SGerd Hoffmann 2370f1ae32a1SGerd Hoffmann octx = xhci->slots[slotid-1].ctx; 2371f1ae32a1SGerd Hoffmann 237259a70ccdSDavid Gibson DPRINTF("xhci: output context at "DMA_ADDR_FMT"\n", octx); 2373f1ae32a1SGerd Hoffmann 2374f1ae32a1SGerd Hoffmann for (i = 2; i <= 31; i++) { 2375f1ae32a1SGerd Hoffmann if (xhci->slots[slotid-1].eps[i-1]) { 2376f1ae32a1SGerd Hoffmann xhci_disable_ep(xhci, slotid, i); 2377f1ae32a1SGerd Hoffmann } 2378f1ae32a1SGerd Hoffmann } 2379f1ae32a1SGerd Hoffmann 2380616b5d53SDavid Gibson xhci_dma_read_u32s(xhci, octx, slot_ctx, sizeof(slot_ctx)); 2381f1ae32a1SGerd Hoffmann slot_ctx[3] &= ~(SLOT_STATE_MASK << SLOT_STATE_SHIFT); 2382f1ae32a1SGerd Hoffmann slot_ctx[3] |= SLOT_DEFAULT << SLOT_STATE_SHIFT; 2383f1ae32a1SGerd Hoffmann DPRINTF("xhci: output slot context: %08x %08x %08x %08x\n", 2384f1ae32a1SGerd Hoffmann slot_ctx[0], slot_ctx[1], slot_ctx[2], slot_ctx[3]); 2385616b5d53SDavid Gibson xhci_dma_write_u32s(xhci, octx, slot_ctx, sizeof(slot_ctx)); 2386f1ae32a1SGerd Hoffmann 2387f1ae32a1SGerd Hoffmann return CC_SUCCESS; 2388f1ae32a1SGerd Hoffmann } 2389f1ae32a1SGerd Hoffmann 2390f1ae32a1SGerd Hoffmann static unsigned int xhci_get_slot(XHCIState *xhci, XHCIEvent *event, XHCITRB *trb) 2391f1ae32a1SGerd Hoffmann { 2392f1ae32a1SGerd Hoffmann unsigned int slotid; 2393f1ae32a1SGerd Hoffmann slotid = (trb->control >> TRB_CR_SLOTID_SHIFT) & TRB_CR_SLOTID_MASK; 239491062ae0SGerd Hoffmann if (slotid < 1 || slotid > xhci->numslots) { 2395d6bb65fcSGerd Hoffmann DPRINTF("xhci: bad slot id %d\n", slotid); 2396f1ae32a1SGerd Hoffmann event->ccode = CC_TRB_ERROR; 2397f1ae32a1SGerd Hoffmann return 0; 2398f1ae32a1SGerd Hoffmann } else if (!xhci->slots[slotid-1].enabled) { 2399d6bb65fcSGerd Hoffmann DPRINTF("xhci: slot id %d not enabled\n", slotid); 2400f1ae32a1SGerd Hoffmann event->ccode = CC_SLOT_NOT_ENABLED_ERROR; 2401f1ae32a1SGerd Hoffmann return 0; 2402f1ae32a1SGerd Hoffmann } 2403f1ae32a1SGerd Hoffmann return slotid; 2404f1ae32a1SGerd Hoffmann } 2405f1ae32a1SGerd Hoffmann 240681251841SGerd Hoffmann /* cleanup slot state on usb device detach */ 240781251841SGerd Hoffmann static void xhci_detach_slot(XHCIState *xhci, USBPort *uport) 240881251841SGerd Hoffmann { 24090cb41e2cSGerd Hoffmann int slot, ep; 241081251841SGerd Hoffmann 241181251841SGerd Hoffmann for (slot = 0; slot < xhci->numslots; slot++) { 241281251841SGerd Hoffmann if (xhci->slots[slot].uport == uport) { 241381251841SGerd Hoffmann break; 241481251841SGerd Hoffmann } 241581251841SGerd Hoffmann } 241681251841SGerd Hoffmann if (slot == xhci->numslots) { 241781251841SGerd Hoffmann return; 241881251841SGerd Hoffmann } 241981251841SGerd Hoffmann 24200cb41e2cSGerd Hoffmann for (ep = 0; ep < 31; ep++) { 24210cb41e2cSGerd Hoffmann if (xhci->slots[slot].eps[ep]) { 2422582d6f4aSHans de Goede xhci_ep_nuke_xfers(xhci, slot + 1, ep + 1, 0); 24230cb41e2cSGerd Hoffmann } 24240cb41e2cSGerd Hoffmann } 242581251841SGerd Hoffmann xhci->slots[slot].uport = NULL; 242681251841SGerd Hoffmann } 242781251841SGerd Hoffmann 2428f1ae32a1SGerd Hoffmann static TRBCCode xhci_get_port_bandwidth(XHCIState *xhci, uint64_t pctx) 2429f1ae32a1SGerd Hoffmann { 243059a70ccdSDavid Gibson dma_addr_t ctx; 24310846e635SGerd Hoffmann uint8_t bw_ctx[xhci->numports+1]; 2432f1ae32a1SGerd Hoffmann 2433f1ae32a1SGerd Hoffmann DPRINTF("xhci_get_port_bandwidth()\n"); 2434f1ae32a1SGerd Hoffmann 2435f1ae32a1SGerd Hoffmann ctx = xhci_mask64(pctx); 2436f1ae32a1SGerd Hoffmann 243759a70ccdSDavid Gibson DPRINTF("xhci: bandwidth context at "DMA_ADDR_FMT"\n", ctx); 2438f1ae32a1SGerd Hoffmann 2439f1ae32a1SGerd Hoffmann /* TODO: actually implement real values here */ 2440f1ae32a1SGerd Hoffmann bw_ctx[0] = 0; 24410846e635SGerd Hoffmann memset(&bw_ctx[1], 80, xhci->numports); /* 80% */ 24429b7d3334SAndreas Färber pci_dma_write(PCI_DEVICE(xhci), ctx, bw_ctx, sizeof(bw_ctx)); 2443f1ae32a1SGerd Hoffmann 2444f1ae32a1SGerd Hoffmann return CC_SUCCESS; 2445f1ae32a1SGerd Hoffmann } 2446f1ae32a1SGerd Hoffmann 2447f1ae32a1SGerd Hoffmann static uint32_t rotl(uint32_t v, unsigned count) 2448f1ae32a1SGerd Hoffmann { 2449f1ae32a1SGerd Hoffmann count &= 31; 2450f1ae32a1SGerd Hoffmann return (v << count) | (v >> (32 - count)); 2451f1ae32a1SGerd Hoffmann } 2452f1ae32a1SGerd Hoffmann 2453f1ae32a1SGerd Hoffmann 2454f1ae32a1SGerd Hoffmann static uint32_t xhci_nec_challenge(uint32_t hi, uint32_t lo) 2455f1ae32a1SGerd Hoffmann { 2456f1ae32a1SGerd Hoffmann uint32_t val; 2457f1ae32a1SGerd Hoffmann val = rotl(lo - 0x49434878, 32 - ((hi>>8) & 0x1F)); 2458f1ae32a1SGerd Hoffmann val += rotl(lo + 0x49434878, hi & 0x1F); 2459f1ae32a1SGerd Hoffmann val -= rotl(hi ^ 0x49434878, (lo >> 16) & 0x1F); 2460f1ae32a1SGerd Hoffmann return ~val; 2461f1ae32a1SGerd Hoffmann } 2462f1ae32a1SGerd Hoffmann 2463f1ae32a1SGerd Hoffmann static void xhci_process_commands(XHCIState *xhci) 2464f1ae32a1SGerd Hoffmann { 2465f1ae32a1SGerd Hoffmann XHCITRB trb; 2466f1ae32a1SGerd Hoffmann TRBType type; 2467f1ae32a1SGerd Hoffmann XHCIEvent event = {ER_COMMAND_COMPLETE, CC_SUCCESS}; 246859a70ccdSDavid Gibson dma_addr_t addr; 2469f89b60f6SGerd Hoffmann unsigned int i, slotid = 0, count = 0; 2470f1ae32a1SGerd Hoffmann 2471f1ae32a1SGerd Hoffmann DPRINTF("xhci_process_commands()\n"); 2472f1ae32a1SGerd Hoffmann if (!xhci_running(xhci)) { 2473f1ae32a1SGerd Hoffmann DPRINTF("xhci_process_commands() called while xHC stopped or paused\n"); 2474f1ae32a1SGerd Hoffmann return; 2475f1ae32a1SGerd Hoffmann } 2476f1ae32a1SGerd Hoffmann 2477f1ae32a1SGerd Hoffmann xhci->crcr_low |= CRCR_CRR; 2478f1ae32a1SGerd Hoffmann 2479f1ae32a1SGerd Hoffmann while ((type = xhci_ring_fetch(xhci, &xhci->cmd_ring, &trb, &addr))) { 2480f1ae32a1SGerd Hoffmann event.ptr = addr; 2481f1ae32a1SGerd Hoffmann switch (type) { 2482f1ae32a1SGerd Hoffmann case CR_ENABLE_SLOT: 248391062ae0SGerd Hoffmann for (i = 0; i < xhci->numslots; i++) { 2484f1ae32a1SGerd Hoffmann if (!xhci->slots[i].enabled) { 2485f1ae32a1SGerd Hoffmann break; 2486f1ae32a1SGerd Hoffmann } 2487f1ae32a1SGerd Hoffmann } 248891062ae0SGerd Hoffmann if (i >= xhci->numslots) { 2489d6bb65fcSGerd Hoffmann DPRINTF("xhci: no device slots available\n"); 2490f1ae32a1SGerd Hoffmann event.ccode = CC_NO_SLOTS_ERROR; 2491f1ae32a1SGerd Hoffmann } else { 2492f1ae32a1SGerd Hoffmann slotid = i+1; 2493f1ae32a1SGerd Hoffmann event.ccode = xhci_enable_slot(xhci, slotid); 2494f1ae32a1SGerd Hoffmann } 2495f1ae32a1SGerd Hoffmann break; 2496f1ae32a1SGerd Hoffmann case CR_DISABLE_SLOT: 2497f1ae32a1SGerd Hoffmann slotid = xhci_get_slot(xhci, &event, &trb); 2498f1ae32a1SGerd Hoffmann if (slotid) { 2499f1ae32a1SGerd Hoffmann event.ccode = xhci_disable_slot(xhci, slotid); 2500f1ae32a1SGerd Hoffmann } 2501f1ae32a1SGerd Hoffmann break; 2502f1ae32a1SGerd Hoffmann case CR_ADDRESS_DEVICE: 2503f1ae32a1SGerd Hoffmann slotid = xhci_get_slot(xhci, &event, &trb); 2504f1ae32a1SGerd Hoffmann if (slotid) { 2505f1ae32a1SGerd Hoffmann event.ccode = xhci_address_slot(xhci, slotid, trb.parameter, 2506f1ae32a1SGerd Hoffmann trb.control & TRB_CR_BSR); 2507f1ae32a1SGerd Hoffmann } 2508f1ae32a1SGerd Hoffmann break; 2509f1ae32a1SGerd Hoffmann case CR_CONFIGURE_ENDPOINT: 2510f1ae32a1SGerd Hoffmann slotid = xhci_get_slot(xhci, &event, &trb); 2511f1ae32a1SGerd Hoffmann if (slotid) { 2512f1ae32a1SGerd Hoffmann event.ccode = xhci_configure_slot(xhci, slotid, trb.parameter, 2513f1ae32a1SGerd Hoffmann trb.control & TRB_CR_DC); 2514f1ae32a1SGerd Hoffmann } 2515f1ae32a1SGerd Hoffmann break; 2516f1ae32a1SGerd Hoffmann case CR_EVALUATE_CONTEXT: 2517f1ae32a1SGerd Hoffmann slotid = xhci_get_slot(xhci, &event, &trb); 2518f1ae32a1SGerd Hoffmann if (slotid) { 2519f1ae32a1SGerd Hoffmann event.ccode = xhci_evaluate_slot(xhci, slotid, trb.parameter); 2520f1ae32a1SGerd Hoffmann } 2521f1ae32a1SGerd Hoffmann break; 2522f1ae32a1SGerd Hoffmann case CR_STOP_ENDPOINT: 2523f1ae32a1SGerd Hoffmann slotid = xhci_get_slot(xhci, &event, &trb); 2524f1ae32a1SGerd Hoffmann if (slotid) { 2525f1ae32a1SGerd Hoffmann unsigned int epid = (trb.control >> TRB_CR_EPID_SHIFT) 2526f1ae32a1SGerd Hoffmann & TRB_CR_EPID_MASK; 2527f1ae32a1SGerd Hoffmann event.ccode = xhci_stop_ep(xhci, slotid, epid); 2528f1ae32a1SGerd Hoffmann } 2529f1ae32a1SGerd Hoffmann break; 2530f1ae32a1SGerd Hoffmann case CR_RESET_ENDPOINT: 2531f1ae32a1SGerd Hoffmann slotid = xhci_get_slot(xhci, &event, &trb); 2532f1ae32a1SGerd Hoffmann if (slotid) { 2533f1ae32a1SGerd Hoffmann unsigned int epid = (trb.control >> TRB_CR_EPID_SHIFT) 2534f1ae32a1SGerd Hoffmann & TRB_CR_EPID_MASK; 2535f1ae32a1SGerd Hoffmann event.ccode = xhci_reset_ep(xhci, slotid, epid); 2536f1ae32a1SGerd Hoffmann } 2537f1ae32a1SGerd Hoffmann break; 2538f1ae32a1SGerd Hoffmann case CR_SET_TR_DEQUEUE: 2539f1ae32a1SGerd Hoffmann slotid = xhci_get_slot(xhci, &event, &trb); 2540f1ae32a1SGerd Hoffmann if (slotid) { 2541f1ae32a1SGerd Hoffmann unsigned int epid = (trb.control >> TRB_CR_EPID_SHIFT) 2542f1ae32a1SGerd Hoffmann & TRB_CR_EPID_MASK; 2543024426acSGerd Hoffmann unsigned int streamid = (trb.status >> 16) & 0xffff; 2544024426acSGerd Hoffmann event.ccode = xhci_set_ep_dequeue(xhci, slotid, 2545024426acSGerd Hoffmann epid, streamid, 2546f1ae32a1SGerd Hoffmann trb.parameter); 2547f1ae32a1SGerd Hoffmann } 2548f1ae32a1SGerd Hoffmann break; 2549f1ae32a1SGerd Hoffmann case CR_RESET_DEVICE: 2550f1ae32a1SGerd Hoffmann slotid = xhci_get_slot(xhci, &event, &trb); 2551f1ae32a1SGerd Hoffmann if (slotid) { 2552f1ae32a1SGerd Hoffmann event.ccode = xhci_reset_slot(xhci, slotid); 2553f1ae32a1SGerd Hoffmann } 2554f1ae32a1SGerd Hoffmann break; 2555f1ae32a1SGerd Hoffmann case CR_GET_PORT_BANDWIDTH: 2556f1ae32a1SGerd Hoffmann event.ccode = xhci_get_port_bandwidth(xhci, trb.parameter); 2557f1ae32a1SGerd Hoffmann break; 2558dc2c037fSHikaru Nishida case CR_NOOP: 2559dc2c037fSHikaru Nishida event.ccode = CC_SUCCESS; 2560dc2c037fSHikaru Nishida break; 2561f1ae32a1SGerd Hoffmann case CR_VENDOR_NEC_FIRMWARE_REVISION: 25622992d6b4SGerd Hoffmann if (xhci->nec_quirks) { 2563f1ae32a1SGerd Hoffmann event.type = 48; /* NEC reply */ 2564f1ae32a1SGerd Hoffmann event.length = 0x3025; 25652992d6b4SGerd Hoffmann } else { 25662992d6b4SGerd Hoffmann event.ccode = CC_TRB_ERROR; 25672992d6b4SGerd Hoffmann } 2568f1ae32a1SGerd Hoffmann break; 2569f1ae32a1SGerd Hoffmann case CR_VENDOR_NEC_CHALLENGE_RESPONSE: 25702992d6b4SGerd Hoffmann if (xhci->nec_quirks) { 2571f1ae32a1SGerd Hoffmann uint32_t chi = trb.parameter >> 32; 2572f1ae32a1SGerd Hoffmann uint32_t clo = trb.parameter; 2573f1ae32a1SGerd Hoffmann uint32_t val = xhci_nec_challenge(chi, clo); 2574f1ae32a1SGerd Hoffmann event.length = val & 0xFFFF; 2575f1ae32a1SGerd Hoffmann event.epid = val >> 16; 2576f1ae32a1SGerd Hoffmann slotid = val >> 24; 2577f1ae32a1SGerd Hoffmann event.type = 48; /* NEC reply */ 25782992d6b4SGerd Hoffmann } else { 25792992d6b4SGerd Hoffmann event.ccode = CC_TRB_ERROR; 2580f1ae32a1SGerd Hoffmann } 2581f1ae32a1SGerd Hoffmann break; 2582f1ae32a1SGerd Hoffmann default: 25830ab966cfSGerd Hoffmann trace_usb_xhci_unimplemented("command", type); 2584f1ae32a1SGerd Hoffmann event.ccode = CC_TRB_ERROR; 2585f1ae32a1SGerd Hoffmann break; 2586f1ae32a1SGerd Hoffmann } 2587f1ae32a1SGerd Hoffmann event.slotid = slotid; 25882d1de850SGerd Hoffmann xhci_event(xhci, &event, 0); 2589f89b60f6SGerd Hoffmann 2590f89b60f6SGerd Hoffmann if (count++ > COMMAND_LIMIT) { 2591f89b60f6SGerd Hoffmann trace_usb_xhci_enforced_limit("commands"); 2592f89b60f6SGerd Hoffmann return; 2593f89b60f6SGerd Hoffmann } 2594f1ae32a1SGerd Hoffmann } 2595f1ae32a1SGerd Hoffmann } 2596f1ae32a1SGerd Hoffmann 25976a32f80fSGerd Hoffmann static bool xhci_port_have_device(XHCIPort *port) 25986a32f80fSGerd Hoffmann { 25996a32f80fSGerd Hoffmann if (!port->uport->dev || !port->uport->dev->attached) { 26006a32f80fSGerd Hoffmann return false; /* no device present */ 26016a32f80fSGerd Hoffmann } 26026a32f80fSGerd Hoffmann if (!((1 << port->uport->dev->speed) & port->speedmask)) { 26036a32f80fSGerd Hoffmann return false; /* speed mismatch */ 26046a32f80fSGerd Hoffmann } 26056a32f80fSGerd Hoffmann return true; 26066a32f80fSGerd Hoffmann } 26076a32f80fSGerd Hoffmann 2608f705a362SGerd Hoffmann static void xhci_port_notify(XHCIPort *port, uint32_t bits) 2609f705a362SGerd Hoffmann { 2610f705a362SGerd Hoffmann XHCIEvent ev = { ER_PORT_STATUS_CHANGE, CC_SUCCESS, 2611f705a362SGerd Hoffmann port->portnr << 24 }; 2612f705a362SGerd Hoffmann 2613f705a362SGerd Hoffmann if ((port->portsc & bits) == bits) { 2614f705a362SGerd Hoffmann return; 2615f705a362SGerd Hoffmann } 2616bdfce20dSGerd Hoffmann trace_usb_xhci_port_notify(port->portnr, bits); 2617f705a362SGerd Hoffmann port->portsc |= bits; 2618f705a362SGerd Hoffmann if (!xhci_running(port->xhci)) { 2619f705a362SGerd Hoffmann return; 2620f705a362SGerd Hoffmann } 2621f705a362SGerd Hoffmann xhci_event(port->xhci, &ev, 0); 2622f705a362SGerd Hoffmann } 2623f705a362SGerd Hoffmann 2624f3214027SGerd Hoffmann static void xhci_port_update(XHCIPort *port, int is_detach) 2625f1ae32a1SGerd Hoffmann { 2626b62b0828SGerd Hoffmann uint32_t pls = PLS_RX_DETECT; 2627b62b0828SGerd Hoffmann 262892cf3427SLiam Merwick assert(port); 2629f1ae32a1SGerd Hoffmann port->portsc = PORTSC_PP; 26306a32f80fSGerd Hoffmann if (!is_detach && xhci_port_have_device(port)) { 2631f1ae32a1SGerd Hoffmann port->portsc |= PORTSC_CCS; 26320846e635SGerd Hoffmann switch (port->uport->dev->speed) { 2633f1ae32a1SGerd Hoffmann case USB_SPEED_LOW: 2634f1ae32a1SGerd Hoffmann port->portsc |= PORTSC_SPEED_LOW; 2635b62b0828SGerd Hoffmann pls = PLS_POLLING; 2636f1ae32a1SGerd Hoffmann break; 2637f1ae32a1SGerd Hoffmann case USB_SPEED_FULL: 2638f1ae32a1SGerd Hoffmann port->portsc |= PORTSC_SPEED_FULL; 2639b62b0828SGerd Hoffmann pls = PLS_POLLING; 2640f1ae32a1SGerd Hoffmann break; 2641f1ae32a1SGerd Hoffmann case USB_SPEED_HIGH: 2642f1ae32a1SGerd Hoffmann port->portsc |= PORTSC_SPEED_HIGH; 2643b62b0828SGerd Hoffmann pls = PLS_POLLING; 2644f1ae32a1SGerd Hoffmann break; 26450846e635SGerd Hoffmann case USB_SPEED_SUPER: 26460846e635SGerd Hoffmann port->portsc |= PORTSC_SPEED_SUPER; 2647b62b0828SGerd Hoffmann port->portsc |= PORTSC_PED; 2648b62b0828SGerd Hoffmann pls = PLS_U0; 26490846e635SGerd Hoffmann break; 2650f1ae32a1SGerd Hoffmann } 2651f1ae32a1SGerd Hoffmann } 2652b62b0828SGerd Hoffmann set_field(&port->portsc, pls, PORTSC_PLS); 26534f47f0f8SGerd Hoffmann trace_usb_xhci_port_link(port->portnr, pls); 2654f705a362SGerd Hoffmann xhci_port_notify(port, PORTSC_CSC); 2655f1ae32a1SGerd Hoffmann } 2656f1ae32a1SGerd Hoffmann 2657dad5b9eaSGerd Hoffmann static void xhci_port_reset(XHCIPort *port, bool warm_reset) 265840030130SGerd Hoffmann { 26597bd3055fSGerd Hoffmann trace_usb_xhci_port_reset(port->portnr, warm_reset); 26604f47f0f8SGerd Hoffmann 2661b62b0828SGerd Hoffmann if (!xhci_port_have_device(port)) { 2662b62b0828SGerd Hoffmann return; 2663b62b0828SGerd Hoffmann } 2664b62b0828SGerd Hoffmann 266540030130SGerd Hoffmann usb_device_reset(port->uport->dev); 2666b62b0828SGerd Hoffmann 2667b62b0828SGerd Hoffmann switch (port->uport->dev->speed) { 2668dad5b9eaSGerd Hoffmann case USB_SPEED_SUPER: 2669dad5b9eaSGerd Hoffmann if (warm_reset) { 2670dad5b9eaSGerd Hoffmann port->portsc |= PORTSC_WRC; 2671dad5b9eaSGerd Hoffmann } 2672dad5b9eaSGerd Hoffmann /* fall through */ 2673b62b0828SGerd Hoffmann case USB_SPEED_LOW: 2674b62b0828SGerd Hoffmann case USB_SPEED_FULL: 2675b62b0828SGerd Hoffmann case USB_SPEED_HIGH: 2676b62b0828SGerd Hoffmann set_field(&port->portsc, PLS_U0, PORTSC_PLS); 26774f47f0f8SGerd Hoffmann trace_usb_xhci_port_link(port->portnr, PLS_U0); 2678b62b0828SGerd Hoffmann port->portsc |= PORTSC_PED; 2679b62b0828SGerd Hoffmann break; 2680b62b0828SGerd Hoffmann } 2681b62b0828SGerd Hoffmann 2682b62b0828SGerd Hoffmann port->portsc &= ~PORTSC_PR; 2683b62b0828SGerd Hoffmann xhci_port_notify(port, PORTSC_PRC); 268440030130SGerd Hoffmann } 268540030130SGerd Hoffmann 268664619739SJan Kiszka static void xhci_reset(DeviceState *dev) 2687f1ae32a1SGerd Hoffmann { 268837034575SPeter Crosthwaite XHCIState *xhci = XHCI(dev); 2689f1ae32a1SGerd Hoffmann int i; 2690f1ae32a1SGerd Hoffmann 26912d754a10SGerd Hoffmann trace_usb_xhci_reset(); 2692f1ae32a1SGerd Hoffmann if (!(xhci->usbsts & USBSTS_HCH)) { 2693d6bb65fcSGerd Hoffmann DPRINTF("xhci: reset while running!\n"); 2694f1ae32a1SGerd Hoffmann } 2695f1ae32a1SGerd Hoffmann 2696f1ae32a1SGerd Hoffmann xhci->usbcmd = 0; 2697f1ae32a1SGerd Hoffmann xhci->usbsts = USBSTS_HCH; 2698f1ae32a1SGerd Hoffmann xhci->dnctrl = 0; 2699f1ae32a1SGerd Hoffmann xhci->crcr_low = 0; 2700f1ae32a1SGerd Hoffmann xhci->crcr_high = 0; 2701f1ae32a1SGerd Hoffmann xhci->dcbaap_low = 0; 2702f1ae32a1SGerd Hoffmann xhci->dcbaap_high = 0; 2703f1ae32a1SGerd Hoffmann xhci->config = 0; 2704f1ae32a1SGerd Hoffmann 270591062ae0SGerd Hoffmann for (i = 0; i < xhci->numslots; i++) { 2706f1ae32a1SGerd Hoffmann xhci_disable_slot(xhci, i+1); 2707f1ae32a1SGerd Hoffmann } 2708f1ae32a1SGerd Hoffmann 27090846e635SGerd Hoffmann for (i = 0; i < xhci->numports; i++) { 2710f3214027SGerd Hoffmann xhci_port_update(xhci->ports + i, 0); 2711f1ae32a1SGerd Hoffmann } 2712f1ae32a1SGerd Hoffmann 271391062ae0SGerd Hoffmann for (i = 0; i < xhci->numintrs; i++) { 2714962d11e1SGerd Hoffmann xhci->intr[i].iman = 0; 2715962d11e1SGerd Hoffmann xhci->intr[i].imod = 0; 2716962d11e1SGerd Hoffmann xhci->intr[i].erstsz = 0; 2717962d11e1SGerd Hoffmann xhci->intr[i].erstba_low = 0; 2718962d11e1SGerd Hoffmann xhci->intr[i].erstba_high = 0; 2719962d11e1SGerd Hoffmann xhci->intr[i].erdp_low = 0; 2720962d11e1SGerd Hoffmann xhci->intr[i].erdp_high = 0; 2721962d11e1SGerd Hoffmann xhci->intr[i].msix_used = 0; 2722f1ae32a1SGerd Hoffmann 2723962d11e1SGerd Hoffmann xhci->intr[i].er_ep_idx = 0; 2724962d11e1SGerd Hoffmann xhci->intr[i].er_pcs = 1; 2725962d11e1SGerd Hoffmann xhci->intr[i].ev_buffer_put = 0; 2726962d11e1SGerd Hoffmann xhci->intr[i].ev_buffer_get = 0; 2727962d11e1SGerd Hoffmann } 272801546fa6SGerd Hoffmann 2729bc72ad67SAlex Bligh xhci->mfindex_start = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL); 273001546fa6SGerd Hoffmann xhci_mfwrap_update(xhci); 2731f1ae32a1SGerd Hoffmann } 2732f1ae32a1SGerd Hoffmann 2733a8170e5eSAvi Kivity static uint64_t xhci_cap_read(void *ptr, hwaddr reg, unsigned size) 2734f1ae32a1SGerd Hoffmann { 27351b067564SGerd Hoffmann XHCIState *xhci = ptr; 27362d754a10SGerd Hoffmann uint32_t ret; 2737f1ae32a1SGerd Hoffmann 2738f1ae32a1SGerd Hoffmann switch (reg) { 2739f1ae32a1SGerd Hoffmann case 0x00: /* HCIVERSION, CAPLENGTH */ 27402d754a10SGerd Hoffmann ret = 0x01000000 | LEN_CAP; 27412d754a10SGerd Hoffmann break; 2742f1ae32a1SGerd Hoffmann case 0x04: /* HCSPARAMS 1 */ 27430846e635SGerd Hoffmann ret = ((xhci->numports_2+xhci->numports_3)<<24) 274491062ae0SGerd Hoffmann | (xhci->numintrs<<8) | xhci->numslots; 27452d754a10SGerd Hoffmann break; 2746f1ae32a1SGerd Hoffmann case 0x08: /* HCSPARAMS 2 */ 27472d754a10SGerd Hoffmann ret = 0x0000000f; 27482d754a10SGerd Hoffmann break; 2749f1ae32a1SGerd Hoffmann case 0x0c: /* HCSPARAMS 3 */ 27502d754a10SGerd Hoffmann ret = 0x00000000; 27512d754a10SGerd Hoffmann break; 2752f1ae32a1SGerd Hoffmann case 0x10: /* HCCPARAMS */ 27532d754a10SGerd Hoffmann if (sizeof(dma_addr_t) == 4) { 27542aa6bfcbSGerd Hoffmann ret = 0x00080000 | (xhci->max_pstreams_mask << 12); 27552d754a10SGerd Hoffmann } else { 27562aa6bfcbSGerd Hoffmann ret = 0x00080001 | (xhci->max_pstreams_mask << 12); 27572d754a10SGerd Hoffmann } 27582d754a10SGerd Hoffmann break; 2759f1ae32a1SGerd Hoffmann case 0x14: /* DBOFF */ 27602d754a10SGerd Hoffmann ret = OFF_DOORBELL; 27612d754a10SGerd Hoffmann break; 2762f1ae32a1SGerd Hoffmann case 0x18: /* RTSOFF */ 27632d754a10SGerd Hoffmann ret = OFF_RUNTIME; 27642d754a10SGerd Hoffmann break; 2765f1ae32a1SGerd Hoffmann 2766f1ae32a1SGerd Hoffmann /* extended capabilities */ 2767f1ae32a1SGerd Hoffmann case 0x20: /* Supported Protocol:00 */ 27682d754a10SGerd Hoffmann ret = 0x02000402; /* USB 2.0 */ 27692d754a10SGerd Hoffmann break; 2770f1ae32a1SGerd Hoffmann case 0x24: /* Supported Protocol:04 */ 27710ebfb144SGerd Hoffmann ret = 0x20425355; /* "USB " */ 27722d754a10SGerd Hoffmann break; 2773f1ae32a1SGerd Hoffmann case 0x28: /* Supported Protocol:08 */ 27747bafd888SGerd Hoffmann if (xhci_get_flag(xhci, XHCI_FLAG_SS_FIRST)) { 27757bafd888SGerd Hoffmann ret = (xhci->numports_2<<8) | (xhci->numports_3+1); 27767bafd888SGerd Hoffmann } else { 27777bafd888SGerd Hoffmann ret = (xhci->numports_2<<8) | 1; 27787bafd888SGerd Hoffmann } 27792d754a10SGerd Hoffmann break; 2780f1ae32a1SGerd Hoffmann case 0x2c: /* Supported Protocol:0c */ 27812d754a10SGerd Hoffmann ret = 0x00000000; /* reserved */ 27822d754a10SGerd Hoffmann break; 2783f1ae32a1SGerd Hoffmann case 0x30: /* Supported Protocol:00 */ 27842d754a10SGerd Hoffmann ret = 0x03000002; /* USB 3.0 */ 27852d754a10SGerd Hoffmann break; 2786f1ae32a1SGerd Hoffmann case 0x34: /* Supported Protocol:04 */ 27870ebfb144SGerd Hoffmann ret = 0x20425355; /* "USB " */ 27882d754a10SGerd Hoffmann break; 2789f1ae32a1SGerd Hoffmann case 0x38: /* Supported Protocol:08 */ 27907bafd888SGerd Hoffmann if (xhci_get_flag(xhci, XHCI_FLAG_SS_FIRST)) { 27917bafd888SGerd Hoffmann ret = (xhci->numports_3<<8) | 1; 27927bafd888SGerd Hoffmann } else { 27937bafd888SGerd Hoffmann ret = (xhci->numports_3<<8) | (xhci->numports_2+1); 27947bafd888SGerd Hoffmann } 27952d754a10SGerd Hoffmann break; 2796f1ae32a1SGerd Hoffmann case 0x3c: /* Supported Protocol:0c */ 27972d754a10SGerd Hoffmann ret = 0x00000000; /* reserved */ 27982d754a10SGerd Hoffmann break; 2799f1ae32a1SGerd Hoffmann default: 28000ab966cfSGerd Hoffmann trace_usb_xhci_unimplemented("cap read", reg); 28012d754a10SGerd Hoffmann ret = 0; 2802f1ae32a1SGerd Hoffmann } 28032d754a10SGerd Hoffmann 28042d754a10SGerd Hoffmann trace_usb_xhci_cap_read(reg, ret); 28052d754a10SGerd Hoffmann return ret; 2806f1ae32a1SGerd Hoffmann } 2807f1ae32a1SGerd Hoffmann 2808a8170e5eSAvi Kivity static uint64_t xhci_port_read(void *ptr, hwaddr reg, unsigned size) 2809f1ae32a1SGerd Hoffmann { 28101d8a4e69SGerd Hoffmann XHCIPort *port = ptr; 28112d754a10SGerd Hoffmann uint32_t ret; 28122d754a10SGerd Hoffmann 28131d8a4e69SGerd Hoffmann switch (reg) { 2814f1ae32a1SGerd Hoffmann case 0x00: /* PORTSC */ 28151d8a4e69SGerd Hoffmann ret = port->portsc; 28162d754a10SGerd Hoffmann break; 2817f1ae32a1SGerd Hoffmann case 0x04: /* PORTPMSC */ 2818f1ae32a1SGerd Hoffmann case 0x08: /* PORTLI */ 28192d754a10SGerd Hoffmann ret = 0; 28202d754a10SGerd Hoffmann break; 2821f1ae32a1SGerd Hoffmann case 0x0c: /* reserved */ 2822f1ae32a1SGerd Hoffmann default: 28230ab966cfSGerd Hoffmann trace_usb_xhci_unimplemented("port read", reg); 28242d754a10SGerd Hoffmann ret = 0; 2825f1ae32a1SGerd Hoffmann } 28262d754a10SGerd Hoffmann 28271d8a4e69SGerd Hoffmann trace_usb_xhci_port_read(port->portnr, reg, ret); 28282d754a10SGerd Hoffmann return ret; 2829f1ae32a1SGerd Hoffmann } 2830f1ae32a1SGerd Hoffmann 2831a8170e5eSAvi Kivity static void xhci_port_write(void *ptr, hwaddr reg, 28321d8a4e69SGerd Hoffmann uint64_t val, unsigned size) 2833f1ae32a1SGerd Hoffmann { 28341d8a4e69SGerd Hoffmann XHCIPort *port = ptr; 2835bdfce20dSGerd Hoffmann uint32_t portsc, notify; 2836f1ae32a1SGerd Hoffmann 28371d8a4e69SGerd Hoffmann trace_usb_xhci_port_write(port->portnr, reg, val); 28382d754a10SGerd Hoffmann 28391d8a4e69SGerd Hoffmann switch (reg) { 2840f1ae32a1SGerd Hoffmann case 0x00: /* PORTSC */ 2841bdfce20dSGerd Hoffmann /* write-1-to-start bits */ 2842dad5b9eaSGerd Hoffmann if (val & PORTSC_WPR) { 2843dad5b9eaSGerd Hoffmann xhci_port_reset(port, true); 2844dad5b9eaSGerd Hoffmann break; 2845dad5b9eaSGerd Hoffmann } 2846bdfce20dSGerd Hoffmann if (val & PORTSC_PR) { 2847dad5b9eaSGerd Hoffmann xhci_port_reset(port, false); 2848bdfce20dSGerd Hoffmann break; 2849bdfce20dSGerd Hoffmann } 2850bdfce20dSGerd Hoffmann 28511d8a4e69SGerd Hoffmann portsc = port->portsc; 2852bdfce20dSGerd Hoffmann notify = 0; 2853f1ae32a1SGerd Hoffmann /* write-1-to-clear bits*/ 2854f1ae32a1SGerd Hoffmann portsc &= ~(val & (PORTSC_CSC|PORTSC_PEC|PORTSC_WRC|PORTSC_OCC| 2855f1ae32a1SGerd Hoffmann PORTSC_PRC|PORTSC_PLC|PORTSC_CEC)); 2856f1ae32a1SGerd Hoffmann if (val & PORTSC_LWS) { 2857f1ae32a1SGerd Hoffmann /* overwrite PLS only when LWS=1 */ 2858bdfce20dSGerd Hoffmann uint32_t old_pls = get_field(port->portsc, PORTSC_PLS); 2859bdfce20dSGerd Hoffmann uint32_t new_pls = get_field(val, PORTSC_PLS); 2860bdfce20dSGerd Hoffmann switch (new_pls) { 2861bdfce20dSGerd Hoffmann case PLS_U0: 2862bdfce20dSGerd Hoffmann if (old_pls != PLS_U0) { 2863bdfce20dSGerd Hoffmann set_field(&portsc, new_pls, PORTSC_PLS); 2864bdfce20dSGerd Hoffmann trace_usb_xhci_port_link(port->portnr, new_pls); 2865bdfce20dSGerd Hoffmann notify = PORTSC_PLC; 2866bdfce20dSGerd Hoffmann } 2867bdfce20dSGerd Hoffmann break; 2868bdfce20dSGerd Hoffmann case PLS_U3: 2869bdfce20dSGerd Hoffmann if (old_pls < PLS_U3) { 2870bdfce20dSGerd Hoffmann set_field(&portsc, new_pls, PORTSC_PLS); 2871bdfce20dSGerd Hoffmann trace_usb_xhci_port_link(port->portnr, new_pls); 2872bdfce20dSGerd Hoffmann } 2873bdfce20dSGerd Hoffmann break; 2874bdfce20dSGerd Hoffmann case PLS_RESUME: 2875bdfce20dSGerd Hoffmann /* windows does this for some reason, don't spam stderr */ 2876bdfce20dSGerd Hoffmann break; 2877bdfce20dSGerd Hoffmann default: 2878d6bb65fcSGerd Hoffmann DPRINTF("%s: ignore pls write (old %d, new %d)\n", 2879bdfce20dSGerd Hoffmann __func__, old_pls, new_pls); 2880bdfce20dSGerd Hoffmann break; 2881bdfce20dSGerd Hoffmann } 2882f1ae32a1SGerd Hoffmann } 2883f1ae32a1SGerd Hoffmann /* read/write bits */ 2884f1ae32a1SGerd Hoffmann portsc &= ~(PORTSC_PP|PORTSC_WCE|PORTSC_WDE|PORTSC_WOE); 2885f1ae32a1SGerd Hoffmann portsc |= (val & (PORTSC_PP|PORTSC_WCE|PORTSC_WDE|PORTSC_WOE)); 288640030130SGerd Hoffmann port->portsc = portsc; 2887bdfce20dSGerd Hoffmann if (notify) { 2888bdfce20dSGerd Hoffmann xhci_port_notify(port, notify); 2889f1ae32a1SGerd Hoffmann } 2890f1ae32a1SGerd Hoffmann break; 2891f1ae32a1SGerd Hoffmann case 0x04: /* PORTPMSC */ 2892f1ae32a1SGerd Hoffmann case 0x08: /* PORTLI */ 2893f1ae32a1SGerd Hoffmann default: 28940ab966cfSGerd Hoffmann trace_usb_xhci_unimplemented("port write", reg); 2895f1ae32a1SGerd Hoffmann } 2896f1ae32a1SGerd Hoffmann } 2897f1ae32a1SGerd Hoffmann 2898a8170e5eSAvi Kivity static uint64_t xhci_oper_read(void *ptr, hwaddr reg, unsigned size) 2899f1ae32a1SGerd Hoffmann { 29001b067564SGerd Hoffmann XHCIState *xhci = ptr; 29012d754a10SGerd Hoffmann uint32_t ret; 2902f1ae32a1SGerd Hoffmann 2903f1ae32a1SGerd Hoffmann switch (reg) { 2904f1ae32a1SGerd Hoffmann case 0x00: /* USBCMD */ 29052d754a10SGerd Hoffmann ret = xhci->usbcmd; 29062d754a10SGerd Hoffmann break; 2907f1ae32a1SGerd Hoffmann case 0x04: /* USBSTS */ 29082d754a10SGerd Hoffmann ret = xhci->usbsts; 29092d754a10SGerd Hoffmann break; 2910f1ae32a1SGerd Hoffmann case 0x08: /* PAGESIZE */ 29112d754a10SGerd Hoffmann ret = 1; /* 4KiB */ 29122d754a10SGerd Hoffmann break; 2913f1ae32a1SGerd Hoffmann case 0x14: /* DNCTRL */ 29142d754a10SGerd Hoffmann ret = xhci->dnctrl; 29152d754a10SGerd Hoffmann break; 2916f1ae32a1SGerd Hoffmann case 0x18: /* CRCR low */ 29172d754a10SGerd Hoffmann ret = xhci->crcr_low & ~0xe; 29182d754a10SGerd Hoffmann break; 2919f1ae32a1SGerd Hoffmann case 0x1c: /* CRCR high */ 29202d754a10SGerd Hoffmann ret = xhci->crcr_high; 29212d754a10SGerd Hoffmann break; 2922f1ae32a1SGerd Hoffmann case 0x30: /* DCBAAP low */ 29232d754a10SGerd Hoffmann ret = xhci->dcbaap_low; 29242d754a10SGerd Hoffmann break; 2925f1ae32a1SGerd Hoffmann case 0x34: /* DCBAAP high */ 29262d754a10SGerd Hoffmann ret = xhci->dcbaap_high; 29272d754a10SGerd Hoffmann break; 2928f1ae32a1SGerd Hoffmann case 0x38: /* CONFIG */ 29292d754a10SGerd Hoffmann ret = xhci->config; 29302d754a10SGerd Hoffmann break; 2931f1ae32a1SGerd Hoffmann default: 29320ab966cfSGerd Hoffmann trace_usb_xhci_unimplemented("oper read", reg); 29332d754a10SGerd Hoffmann ret = 0; 2934f1ae32a1SGerd Hoffmann } 29352d754a10SGerd Hoffmann 29362d754a10SGerd Hoffmann trace_usb_xhci_oper_read(reg, ret); 29372d754a10SGerd Hoffmann return ret; 2938f1ae32a1SGerd Hoffmann } 2939f1ae32a1SGerd Hoffmann 2940a8170e5eSAvi Kivity static void xhci_oper_write(void *ptr, hwaddr reg, 29411b067564SGerd Hoffmann uint64_t val, unsigned size) 2942f1ae32a1SGerd Hoffmann { 29431b067564SGerd Hoffmann XHCIState *xhci = ptr; 294437034575SPeter Crosthwaite DeviceState *d = DEVICE(ptr); 29451b067564SGerd Hoffmann 29462d754a10SGerd Hoffmann trace_usb_xhci_oper_write(reg, val); 29472d754a10SGerd Hoffmann 2948f1ae32a1SGerd Hoffmann switch (reg) { 2949f1ae32a1SGerd Hoffmann case 0x00: /* USBCMD */ 2950f1ae32a1SGerd Hoffmann if ((val & USBCMD_RS) && !(xhci->usbcmd & USBCMD_RS)) { 2951f1ae32a1SGerd Hoffmann xhci_run(xhci); 2952f1ae32a1SGerd Hoffmann } else if (!(val & USBCMD_RS) && (xhci->usbcmd & USBCMD_RS)) { 2953f1ae32a1SGerd Hoffmann xhci_stop(xhci); 2954f1ae32a1SGerd Hoffmann } 2955f1f8bc21SGerd Hoffmann if (val & USBCMD_CSS) { 2956f1f8bc21SGerd Hoffmann /* save state */ 2957f1f8bc21SGerd Hoffmann xhci->usbsts &= ~USBSTS_SRE; 2958f1f8bc21SGerd Hoffmann } 2959f1f8bc21SGerd Hoffmann if (val & USBCMD_CRS) { 2960f1f8bc21SGerd Hoffmann /* restore state */ 2961f1f8bc21SGerd Hoffmann xhci->usbsts |= USBSTS_SRE; 2962f1f8bc21SGerd Hoffmann } 2963f1ae32a1SGerd Hoffmann xhci->usbcmd = val & 0xc0f; 296401546fa6SGerd Hoffmann xhci_mfwrap_update(xhci); 2965f1ae32a1SGerd Hoffmann if (val & USBCMD_HCRST) { 296637034575SPeter Crosthwaite xhci_reset(d); 2967f1ae32a1SGerd Hoffmann } 29684c4abe7cSGerd Hoffmann xhci_intx_update(xhci); 2969f1ae32a1SGerd Hoffmann break; 2970f1ae32a1SGerd Hoffmann 2971f1ae32a1SGerd Hoffmann case 0x04: /* USBSTS */ 2972f1ae32a1SGerd Hoffmann /* these bits are write-1-to-clear */ 2973f1ae32a1SGerd Hoffmann xhci->usbsts &= ~(val & (USBSTS_HSE|USBSTS_EINT|USBSTS_PCD|USBSTS_SRE)); 29744c4abe7cSGerd Hoffmann xhci_intx_update(xhci); 2975f1ae32a1SGerd Hoffmann break; 2976f1ae32a1SGerd Hoffmann 2977f1ae32a1SGerd Hoffmann case 0x14: /* DNCTRL */ 2978f1ae32a1SGerd Hoffmann xhci->dnctrl = val & 0xffff; 2979f1ae32a1SGerd Hoffmann break; 2980f1ae32a1SGerd Hoffmann case 0x18: /* CRCR low */ 2981f1ae32a1SGerd Hoffmann xhci->crcr_low = (val & 0xffffffcf) | (xhci->crcr_low & CRCR_CRR); 2982f1ae32a1SGerd Hoffmann break; 2983f1ae32a1SGerd Hoffmann case 0x1c: /* CRCR high */ 2984f1ae32a1SGerd Hoffmann xhci->crcr_high = val; 2985f1ae32a1SGerd Hoffmann if (xhci->crcr_low & (CRCR_CA|CRCR_CS) && (xhci->crcr_low & CRCR_CRR)) { 2986f1ae32a1SGerd Hoffmann XHCIEvent event = {ER_COMMAND_COMPLETE, CC_COMMAND_RING_STOPPED}; 2987f1ae32a1SGerd Hoffmann xhci->crcr_low &= ~CRCR_CRR; 29882d1de850SGerd Hoffmann xhci_event(xhci, &event, 0); 2989f1ae32a1SGerd Hoffmann DPRINTF("xhci: command ring stopped (CRCR=%08x)\n", xhci->crcr_low); 2990f1ae32a1SGerd Hoffmann } else { 299159a70ccdSDavid Gibson dma_addr_t base = xhci_addr64(xhci->crcr_low & ~0x3f, val); 2992f1ae32a1SGerd Hoffmann xhci_ring_init(xhci, &xhci->cmd_ring, base); 2993f1ae32a1SGerd Hoffmann } 2994f1ae32a1SGerd Hoffmann xhci->crcr_low &= ~(CRCR_CA | CRCR_CS); 2995f1ae32a1SGerd Hoffmann break; 2996f1ae32a1SGerd Hoffmann case 0x30: /* DCBAAP low */ 2997f1ae32a1SGerd Hoffmann xhci->dcbaap_low = val & 0xffffffc0; 2998f1ae32a1SGerd Hoffmann break; 2999f1ae32a1SGerd Hoffmann case 0x34: /* DCBAAP high */ 3000f1ae32a1SGerd Hoffmann xhci->dcbaap_high = val; 3001f1ae32a1SGerd Hoffmann break; 3002f1ae32a1SGerd Hoffmann case 0x38: /* CONFIG */ 3003f1ae32a1SGerd Hoffmann xhci->config = val & 0xff; 3004f1ae32a1SGerd Hoffmann break; 3005f1ae32a1SGerd Hoffmann default: 30060ab966cfSGerd Hoffmann trace_usb_xhci_unimplemented("oper write", reg); 3007f1ae32a1SGerd Hoffmann } 3008f1ae32a1SGerd Hoffmann } 3009f1ae32a1SGerd Hoffmann 3010a8170e5eSAvi Kivity static uint64_t xhci_runtime_read(void *ptr, hwaddr reg, 30111b067564SGerd Hoffmann unsigned size) 3012f1ae32a1SGerd Hoffmann { 30131b067564SGerd Hoffmann XHCIState *xhci = ptr; 301443d9d604SGerd Hoffmann uint32_t ret = 0; 3015f1ae32a1SGerd Hoffmann 301643d9d604SGerd Hoffmann if (reg < 0x20) { 3017f1ae32a1SGerd Hoffmann switch (reg) { 3018f1ae32a1SGerd Hoffmann case 0x00: /* MFINDEX */ 301901546fa6SGerd Hoffmann ret = xhci_mfindex_get(xhci) & 0x3fff; 30202d754a10SGerd Hoffmann break; 3021f1ae32a1SGerd Hoffmann default: 30220ab966cfSGerd Hoffmann trace_usb_xhci_unimplemented("runtime read", reg); 302343d9d604SGerd Hoffmann break; 302443d9d604SGerd Hoffmann } 302543d9d604SGerd Hoffmann } else { 302643d9d604SGerd Hoffmann int v = (reg - 0x20) / 0x20; 302743d9d604SGerd Hoffmann XHCIInterrupter *intr = &xhci->intr[v]; 302843d9d604SGerd Hoffmann switch (reg & 0x1f) { 302943d9d604SGerd Hoffmann case 0x00: /* IMAN */ 303043d9d604SGerd Hoffmann ret = intr->iman; 303143d9d604SGerd Hoffmann break; 303243d9d604SGerd Hoffmann case 0x04: /* IMOD */ 303343d9d604SGerd Hoffmann ret = intr->imod; 303443d9d604SGerd Hoffmann break; 303543d9d604SGerd Hoffmann case 0x08: /* ERSTSZ */ 303643d9d604SGerd Hoffmann ret = intr->erstsz; 303743d9d604SGerd Hoffmann break; 303843d9d604SGerd Hoffmann case 0x10: /* ERSTBA low */ 303943d9d604SGerd Hoffmann ret = intr->erstba_low; 304043d9d604SGerd Hoffmann break; 304143d9d604SGerd Hoffmann case 0x14: /* ERSTBA high */ 304243d9d604SGerd Hoffmann ret = intr->erstba_high; 304343d9d604SGerd Hoffmann break; 304443d9d604SGerd Hoffmann case 0x18: /* ERDP low */ 304543d9d604SGerd Hoffmann ret = intr->erdp_low; 304643d9d604SGerd Hoffmann break; 304743d9d604SGerd Hoffmann case 0x1c: /* ERDP high */ 304843d9d604SGerd Hoffmann ret = intr->erdp_high; 304943d9d604SGerd Hoffmann break; 305043d9d604SGerd Hoffmann } 3051f1ae32a1SGerd Hoffmann } 30522d754a10SGerd Hoffmann 30532d754a10SGerd Hoffmann trace_usb_xhci_runtime_read(reg, ret); 30542d754a10SGerd Hoffmann return ret; 3055f1ae32a1SGerd Hoffmann } 3056f1ae32a1SGerd Hoffmann 3057a8170e5eSAvi Kivity static void xhci_runtime_write(void *ptr, hwaddr reg, 30581b067564SGerd Hoffmann uint64_t val, unsigned size) 3059f1ae32a1SGerd Hoffmann { 30601b067564SGerd Hoffmann XHCIState *xhci = ptr; 306143d9d604SGerd Hoffmann int v = (reg - 0x20) / 0x20; 306243d9d604SGerd Hoffmann XHCIInterrupter *intr = &xhci->intr[v]; 30638e9f18b6SGerd Hoffmann trace_usb_xhci_runtime_write(reg, val); 3064f1ae32a1SGerd Hoffmann 306543d9d604SGerd Hoffmann if (reg < 0x20) { 30660ab966cfSGerd Hoffmann trace_usb_xhci_unimplemented("runtime write", reg); 306743d9d604SGerd Hoffmann return; 306843d9d604SGerd Hoffmann } 306943d9d604SGerd Hoffmann 307043d9d604SGerd Hoffmann switch (reg & 0x1f) { 307143d9d604SGerd Hoffmann case 0x00: /* IMAN */ 3072f1ae32a1SGerd Hoffmann if (val & IMAN_IP) { 3073962d11e1SGerd Hoffmann intr->iman &= ~IMAN_IP; 3074f1ae32a1SGerd Hoffmann } 3075962d11e1SGerd Hoffmann intr->iman &= ~IMAN_IE; 3076962d11e1SGerd Hoffmann intr->iman |= val & IMAN_IE; 307743d9d604SGerd Hoffmann if (v == 0) { 30784c4abe7cSGerd Hoffmann xhci_intx_update(xhci); 307943d9d604SGerd Hoffmann } 308043d9d604SGerd Hoffmann xhci_msix_update(xhci, v); 3081f1ae32a1SGerd Hoffmann break; 308243d9d604SGerd Hoffmann case 0x04: /* IMOD */ 3083962d11e1SGerd Hoffmann intr->imod = val; 3084f1ae32a1SGerd Hoffmann break; 308543d9d604SGerd Hoffmann case 0x08: /* ERSTSZ */ 3086962d11e1SGerd Hoffmann intr->erstsz = val & 0xffff; 3087f1ae32a1SGerd Hoffmann break; 308843d9d604SGerd Hoffmann case 0x10: /* ERSTBA low */ 30892992d6b4SGerd Hoffmann if (xhci->nec_quirks) { 30902992d6b4SGerd Hoffmann /* NEC driver bug: it doesn't align this to 64 bytes */ 3091962d11e1SGerd Hoffmann intr->erstba_low = val & 0xfffffff0; 30922992d6b4SGerd Hoffmann } else { 30932992d6b4SGerd Hoffmann intr->erstba_low = val & 0xffffffc0; 30942992d6b4SGerd Hoffmann } 3095f1ae32a1SGerd Hoffmann break; 309643d9d604SGerd Hoffmann case 0x14: /* ERSTBA high */ 3097962d11e1SGerd Hoffmann intr->erstba_high = val; 309843d9d604SGerd Hoffmann xhci_er_reset(xhci, v); 3099f1ae32a1SGerd Hoffmann break; 310043d9d604SGerd Hoffmann case 0x18: /* ERDP low */ 3101f1ae32a1SGerd Hoffmann if (val & ERDP_EHB) { 3102962d11e1SGerd Hoffmann intr->erdp_low &= ~ERDP_EHB; 3103f1ae32a1SGerd Hoffmann } 3104962d11e1SGerd Hoffmann intr->erdp_low = (val & ~ERDP_EHB) | (intr->erdp_low & ERDP_EHB); 31057da76e12SGerd Hoffmann if (val & ERDP_EHB) { 31067da76e12SGerd Hoffmann dma_addr_t erdp = xhci_addr64(intr->erdp_low, intr->erdp_high); 31077da76e12SGerd Hoffmann unsigned int dp_idx = (erdp - intr->er_start) / TRB_SIZE; 31087da76e12SGerd Hoffmann if (erdp >= intr->er_start && 31097da76e12SGerd Hoffmann erdp < (intr->er_start + TRB_SIZE * intr->er_size) && 31107da76e12SGerd Hoffmann dp_idx != intr->er_ep_idx) { 31117da76e12SGerd Hoffmann xhci_intr_raise(xhci, v); 31127da76e12SGerd Hoffmann } 31137da76e12SGerd Hoffmann } 3114f1ae32a1SGerd Hoffmann break; 311543d9d604SGerd Hoffmann case 0x1c: /* ERDP high */ 3116962d11e1SGerd Hoffmann intr->erdp_high = val; 3117f1ae32a1SGerd Hoffmann break; 3118f1ae32a1SGerd Hoffmann default: 31190ab966cfSGerd Hoffmann trace_usb_xhci_unimplemented("oper write", reg); 3120f1ae32a1SGerd Hoffmann } 3121f1ae32a1SGerd Hoffmann } 3122f1ae32a1SGerd Hoffmann 3123a8170e5eSAvi Kivity static uint64_t xhci_doorbell_read(void *ptr, hwaddr reg, 31241b067564SGerd Hoffmann unsigned size) 3125f1ae32a1SGerd Hoffmann { 3126f1ae32a1SGerd Hoffmann /* doorbells always read as 0 */ 31272d754a10SGerd Hoffmann trace_usb_xhci_doorbell_read(reg, 0); 3128f1ae32a1SGerd Hoffmann return 0; 3129f1ae32a1SGerd Hoffmann } 3130f1ae32a1SGerd Hoffmann 3131a8170e5eSAvi Kivity static void xhci_doorbell_write(void *ptr, hwaddr reg, 31321b067564SGerd Hoffmann uint64_t val, unsigned size) 3133f1ae32a1SGerd Hoffmann { 31341b067564SGerd Hoffmann XHCIState *xhci = ptr; 3135024426acSGerd Hoffmann unsigned int epid, streamid; 31361b067564SGerd Hoffmann 31372d754a10SGerd Hoffmann trace_usb_xhci_doorbell_write(reg, val); 3138f1ae32a1SGerd Hoffmann 3139f1ae32a1SGerd Hoffmann if (!xhci_running(xhci)) { 3140d6bb65fcSGerd Hoffmann DPRINTF("xhci: wrote doorbell while xHC stopped or paused\n"); 3141f1ae32a1SGerd Hoffmann return; 3142f1ae32a1SGerd Hoffmann } 3143f1ae32a1SGerd Hoffmann 3144f1ae32a1SGerd Hoffmann reg >>= 2; 3145f1ae32a1SGerd Hoffmann 3146f1ae32a1SGerd Hoffmann if (reg == 0) { 3147f1ae32a1SGerd Hoffmann if (val == 0) { 3148f1ae32a1SGerd Hoffmann xhci_process_commands(xhci); 3149f1ae32a1SGerd Hoffmann } else { 3150d6bb65fcSGerd Hoffmann DPRINTF("xhci: bad doorbell 0 write: 0x%x\n", 31511b067564SGerd Hoffmann (uint32_t)val); 3152f1ae32a1SGerd Hoffmann } 3153f1ae32a1SGerd Hoffmann } else { 3154024426acSGerd Hoffmann epid = val & 0xff; 3155024426acSGerd Hoffmann streamid = (val >> 16) & 0xffff; 315691062ae0SGerd Hoffmann if (reg > xhci->numslots) { 3157d6bb65fcSGerd Hoffmann DPRINTF("xhci: bad doorbell %d\n", (int)reg); 31580a076730SLongpeng } else if (epid == 0 || epid > 31) { 3159d6bb65fcSGerd Hoffmann DPRINTF("xhci: bad doorbell %d write: 0x%x\n", 31601b067564SGerd Hoffmann (int)reg, (uint32_t)val); 3161f1ae32a1SGerd Hoffmann } else { 3162024426acSGerd Hoffmann xhci_kick_ep(xhci, reg, epid, streamid); 3163f1ae32a1SGerd Hoffmann } 3164f1ae32a1SGerd Hoffmann } 3165f1ae32a1SGerd Hoffmann } 3166f1ae32a1SGerd Hoffmann 31676d3bc22eSGerd Hoffmann static void xhci_cap_write(void *opaque, hwaddr addr, uint64_t val, 31686d3bc22eSGerd Hoffmann unsigned width) 31696d3bc22eSGerd Hoffmann { 31706d3bc22eSGerd Hoffmann /* nothing */ 31716d3bc22eSGerd Hoffmann } 31726d3bc22eSGerd Hoffmann 31731b067564SGerd Hoffmann static const MemoryRegionOps xhci_cap_ops = { 31741b067564SGerd Hoffmann .read = xhci_cap_read, 31756d3bc22eSGerd Hoffmann .write = xhci_cap_write, 31766ee021d4SGerd Hoffmann .valid.min_access_size = 1, 31771b067564SGerd Hoffmann .valid.max_access_size = 4, 31786ee021d4SGerd Hoffmann .impl.min_access_size = 4, 31796ee021d4SGerd Hoffmann .impl.max_access_size = 4, 31801b067564SGerd Hoffmann .endianness = DEVICE_LITTLE_ENDIAN, 31811b067564SGerd Hoffmann }; 3182f1ae32a1SGerd Hoffmann 31831b067564SGerd Hoffmann static const MemoryRegionOps xhci_oper_ops = { 31841b067564SGerd Hoffmann .read = xhci_oper_read, 31851b067564SGerd Hoffmann .write = xhci_oper_write, 31861b067564SGerd Hoffmann .valid.min_access_size = 4, 3187*8e67fda2SLaurent Vivier .valid.max_access_size = sizeof(dma_addr_t), 31881b067564SGerd Hoffmann .endianness = DEVICE_LITTLE_ENDIAN, 31891b067564SGerd Hoffmann }; 3190f1ae32a1SGerd Hoffmann 31911d8a4e69SGerd Hoffmann static const MemoryRegionOps xhci_port_ops = { 31921d8a4e69SGerd Hoffmann .read = xhci_port_read, 31931d8a4e69SGerd Hoffmann .write = xhci_port_write, 31941d8a4e69SGerd Hoffmann .valid.min_access_size = 4, 31951d8a4e69SGerd Hoffmann .valid.max_access_size = 4, 31961d8a4e69SGerd Hoffmann .endianness = DEVICE_LITTLE_ENDIAN, 31971d8a4e69SGerd Hoffmann }; 31981d8a4e69SGerd Hoffmann 31991b067564SGerd Hoffmann static const MemoryRegionOps xhci_runtime_ops = { 32001b067564SGerd Hoffmann .read = xhci_runtime_read, 32011b067564SGerd Hoffmann .write = xhci_runtime_write, 32021b067564SGerd Hoffmann .valid.min_access_size = 4, 3203*8e67fda2SLaurent Vivier .valid.max_access_size = sizeof(dma_addr_t), 32041b067564SGerd Hoffmann .endianness = DEVICE_LITTLE_ENDIAN, 32051b067564SGerd Hoffmann }; 3206f1ae32a1SGerd Hoffmann 32071b067564SGerd Hoffmann static const MemoryRegionOps xhci_doorbell_ops = { 32081b067564SGerd Hoffmann .read = xhci_doorbell_read, 32091b067564SGerd Hoffmann .write = xhci_doorbell_write, 3210f1ae32a1SGerd Hoffmann .valid.min_access_size = 4, 3211f1ae32a1SGerd Hoffmann .valid.max_access_size = 4, 3212f1ae32a1SGerd Hoffmann .endianness = DEVICE_LITTLE_ENDIAN, 3213f1ae32a1SGerd Hoffmann }; 3214f1ae32a1SGerd Hoffmann 3215f1ae32a1SGerd Hoffmann static void xhci_attach(USBPort *usbport) 3216f1ae32a1SGerd Hoffmann { 3217f1ae32a1SGerd Hoffmann XHCIState *xhci = usbport->opaque; 32180846e635SGerd Hoffmann XHCIPort *port = xhci_lookup_port(xhci, usbport); 3219f1ae32a1SGerd Hoffmann 3220f3214027SGerd Hoffmann xhci_port_update(port, 0); 3221f1ae32a1SGerd Hoffmann } 3222f1ae32a1SGerd Hoffmann 3223f1ae32a1SGerd Hoffmann static void xhci_detach(USBPort *usbport) 3224f1ae32a1SGerd Hoffmann { 3225f1ae32a1SGerd Hoffmann XHCIState *xhci = usbport->opaque; 32260846e635SGerd Hoffmann XHCIPort *port = xhci_lookup_port(xhci, usbport); 3227f1ae32a1SGerd Hoffmann 3228f3dcf638SGerd Hoffmann xhci_detach_slot(xhci, usbport); 3229f3214027SGerd Hoffmann xhci_port_update(port, 1); 3230f1ae32a1SGerd Hoffmann } 3231f1ae32a1SGerd Hoffmann 3232f1ae32a1SGerd Hoffmann static void xhci_wakeup(USBPort *usbport) 3233f1ae32a1SGerd Hoffmann { 3234f1ae32a1SGerd Hoffmann XHCIState *xhci = usbport->opaque; 32350846e635SGerd Hoffmann XHCIPort *port = xhci_lookup_port(xhci, usbport); 3236f1ae32a1SGerd Hoffmann 323792cf3427SLiam Merwick assert(port); 323885e05d82SGerd Hoffmann if (get_field(port->portsc, PORTSC_PLS) != PLS_U3) { 3239f1ae32a1SGerd Hoffmann return; 3240f1ae32a1SGerd Hoffmann } 324185e05d82SGerd Hoffmann set_field(&port->portsc, PLS_RESUME, PORTSC_PLS); 3242f705a362SGerd Hoffmann xhci_port_notify(port, PORTSC_PLC); 3243f1ae32a1SGerd Hoffmann } 3244f1ae32a1SGerd Hoffmann 3245f1ae32a1SGerd Hoffmann static void xhci_complete(USBPort *port, USBPacket *packet) 3246f1ae32a1SGerd Hoffmann { 3247f1ae32a1SGerd Hoffmann XHCITransfer *xfer = container_of(packet, XHCITransfer, packet); 3248f1ae32a1SGerd Hoffmann 32499a77a0f5SHans de Goede if (packet->status == USB_RET_REMOVE_FROM_QUEUE) { 3250582d6f4aSHans de Goede xhci_ep_nuke_one_xfer(xfer, 0); 32510cae7b1aSHans de Goede return; 32520cae7b1aSHans de Goede } 325313e8ff7aSGerd Hoffmann xhci_try_complete_packet(xfer); 32543a533ee8SGerd Hoffmann xhci_kick_epctx(xfer->epctx, xfer->streamid); 325594b037f2SGerd Hoffmann if (xfer->complete) { 325694b037f2SGerd Hoffmann xhci_ep_free_xfer(xfer); 325794b037f2SGerd Hoffmann } 3258f1ae32a1SGerd Hoffmann } 3259f1ae32a1SGerd Hoffmann 3260ccaf87a0SGerd Hoffmann static void xhci_child_detach(USBPort *uport, USBDevice *child) 3261f1ae32a1SGerd Hoffmann { 3262ccaf87a0SGerd Hoffmann USBBus *bus = usb_bus_from_device(child); 3263ccaf87a0SGerd Hoffmann XHCIState *xhci = container_of(bus, XHCIState, bus); 3264ccaf87a0SGerd Hoffmann 3265463c534dSGerd Hoffmann xhci_detach_slot(xhci, child->port); 3266f1ae32a1SGerd Hoffmann } 3267f1ae32a1SGerd Hoffmann 32681d8a4e69SGerd Hoffmann static USBPortOps xhci_uport_ops = { 3269f1ae32a1SGerd Hoffmann .attach = xhci_attach, 3270f1ae32a1SGerd Hoffmann .detach = xhci_detach, 3271f1ae32a1SGerd Hoffmann .wakeup = xhci_wakeup, 3272f1ae32a1SGerd Hoffmann .complete = xhci_complete, 3273f1ae32a1SGerd Hoffmann .child_detach = xhci_child_detach, 3274f1ae32a1SGerd Hoffmann }; 3275f1ae32a1SGerd Hoffmann 3276f1ae32a1SGerd Hoffmann static int xhci_find_epid(USBEndpoint *ep) 3277f1ae32a1SGerd Hoffmann { 3278f1ae32a1SGerd Hoffmann if (ep->nr == 0) { 3279f1ae32a1SGerd Hoffmann return 1; 3280f1ae32a1SGerd Hoffmann } 3281f1ae32a1SGerd Hoffmann if (ep->pid == USB_TOKEN_IN) { 3282f1ae32a1SGerd Hoffmann return ep->nr * 2 + 1; 3283f1ae32a1SGerd Hoffmann } else { 3284f1ae32a1SGerd Hoffmann return ep->nr * 2; 3285f1ae32a1SGerd Hoffmann } 3286f1ae32a1SGerd Hoffmann } 3287f1ae32a1SGerd Hoffmann 3288070eeef9SGerd Hoffmann static USBEndpoint *xhci_epid_to_usbep(XHCIEPContext *epctx) 3289518ad5f2SHans de Goede { 3290070eeef9SGerd Hoffmann USBPort *uport; 3291070eeef9SGerd Hoffmann uint32_t token; 3292518ad5f2SHans de Goede 3293070eeef9SGerd Hoffmann if (!epctx) { 3294518ad5f2SHans de Goede return NULL; 3295518ad5f2SHans de Goede } 3296070eeef9SGerd Hoffmann uport = epctx->xhci->slots[epctx->slotid - 1].uport; 32977cb513aaSLiam Merwick if (!uport || !uport->dev) { 3298070eeef9SGerd Hoffmann return NULL; 3299070eeef9SGerd Hoffmann } 33007cb513aaSLiam Merwick token = (epctx->epid & 1) ? USB_TOKEN_IN : USB_TOKEN_OUT; 3301070eeef9SGerd Hoffmann return usb_ep_get(uport->dev, token, epctx->epid >> 1); 3302518ad5f2SHans de Goede } 3303518ad5f2SHans de Goede 33048550a02dSGerd Hoffmann static void xhci_wakeup_endpoint(USBBus *bus, USBEndpoint *ep, 33058550a02dSGerd Hoffmann unsigned int stream) 3306f1ae32a1SGerd Hoffmann { 3307f1ae32a1SGerd Hoffmann XHCIState *xhci = container_of(bus, XHCIState, bus); 3308f1ae32a1SGerd Hoffmann int slotid; 3309f1ae32a1SGerd Hoffmann 3310f1ae32a1SGerd Hoffmann DPRINTF("%s\n", __func__); 3311af203be3SGerd Hoffmann slotid = ep->dev->addr; 3312f1ae32a1SGerd Hoffmann if (slotid == 0 || !xhci->slots[slotid-1].enabled) { 3313f1ae32a1SGerd Hoffmann DPRINTF("%s: oops, no slot for dev %d\n", __func__, ep->dev->addr); 3314f1ae32a1SGerd Hoffmann return; 3315f1ae32a1SGerd Hoffmann } 3316024426acSGerd Hoffmann xhci_kick_ep(xhci, slotid, xhci_find_epid(ep), stream); 3317f1ae32a1SGerd Hoffmann } 3318f1ae32a1SGerd Hoffmann 3319f1ae32a1SGerd Hoffmann static USBBusOps xhci_bus_ops = { 3320f1ae32a1SGerd Hoffmann .wakeup_endpoint = xhci_wakeup_endpoint, 3321f1ae32a1SGerd Hoffmann }; 3322f1ae32a1SGerd Hoffmann 332337034575SPeter Crosthwaite static void usb_xhci_init(XHCIState *xhci) 3324f1ae32a1SGerd Hoffmann { 332537034575SPeter Crosthwaite DeviceState *dev = DEVICE(xhci); 33260846e635SGerd Hoffmann XHCIPort *port; 3327ccb79931SDaniel P. Berrangé unsigned int i, usbports, speedmask; 3328f1ae32a1SGerd Hoffmann 3329f1ae32a1SGerd Hoffmann xhci->usbsts = USBSTS_HCH; 3330f1ae32a1SGerd Hoffmann 33310846e635SGerd Hoffmann if (xhci->numports_2 > MAXPORTS_2) { 33320846e635SGerd Hoffmann xhci->numports_2 = MAXPORTS_2; 33330846e635SGerd Hoffmann } 33340846e635SGerd Hoffmann if (xhci->numports_3 > MAXPORTS_3) { 33350846e635SGerd Hoffmann xhci->numports_3 = MAXPORTS_3; 33360846e635SGerd Hoffmann } 33370846e635SGerd Hoffmann usbports = MAX(xhci->numports_2, xhci->numports_3); 33380846e635SGerd Hoffmann xhci->numports = xhci->numports_2 + xhci->numports_3; 33390846e635SGerd Hoffmann 3340c889b3a5SAndreas Färber usb_bus_new(&xhci->bus, sizeof(xhci->bus), &xhci_bus_ops, dev); 3341f1ae32a1SGerd Hoffmann 33420846e635SGerd Hoffmann for (i = 0; i < usbports; i++) { 33430846e635SGerd Hoffmann speedmask = 0; 33440846e635SGerd Hoffmann if (i < xhci->numports_2) { 33457bafd888SGerd Hoffmann if (xhci_get_flag(xhci, XHCI_FLAG_SS_FIRST)) { 33467bafd888SGerd Hoffmann port = &xhci->ports[i + xhci->numports_3]; 33477bafd888SGerd Hoffmann port->portnr = i + 1 + xhci->numports_3; 33487bafd888SGerd Hoffmann } else { 33490846e635SGerd Hoffmann port = &xhci->ports[i]; 33500846e635SGerd Hoffmann port->portnr = i + 1; 33517bafd888SGerd Hoffmann } 33520846e635SGerd Hoffmann port->uport = &xhci->uports[i]; 33530846e635SGerd Hoffmann port->speedmask = 3354f1ae32a1SGerd Hoffmann USB_SPEED_MASK_LOW | 3355f1ae32a1SGerd Hoffmann USB_SPEED_MASK_FULL | 33560846e635SGerd Hoffmann USB_SPEED_MASK_HIGH; 3357ccb79931SDaniel P. Berrangé assert(i < MAXPORTS); 33581d8a4e69SGerd Hoffmann snprintf(port->name, sizeof(port->name), "usb2 port #%d", i+1); 33590846e635SGerd Hoffmann speedmask |= port->speedmask; 3360f1ae32a1SGerd Hoffmann } 33610846e635SGerd Hoffmann if (i < xhci->numports_3) { 33627bafd888SGerd Hoffmann if (xhci_get_flag(xhci, XHCI_FLAG_SS_FIRST)) { 33637bafd888SGerd Hoffmann port = &xhci->ports[i]; 33647bafd888SGerd Hoffmann port->portnr = i + 1; 33657bafd888SGerd Hoffmann } else { 33660846e635SGerd Hoffmann port = &xhci->ports[i + xhci->numports_2]; 33670846e635SGerd Hoffmann port->portnr = i + 1 + xhci->numports_2; 33687bafd888SGerd Hoffmann } 33690846e635SGerd Hoffmann port->uport = &xhci->uports[i]; 33700846e635SGerd Hoffmann port->speedmask = USB_SPEED_MASK_SUPER; 3371ccb79931SDaniel P. Berrangé assert(i < MAXPORTS); 33721d8a4e69SGerd Hoffmann snprintf(port->name, sizeof(port->name), "usb3 port #%d", i+1); 33730846e635SGerd Hoffmann speedmask |= port->speedmask; 33740846e635SGerd Hoffmann } 33750846e635SGerd Hoffmann usb_register_port(&xhci->bus, &xhci->uports[i], xhci, i, 33761d8a4e69SGerd Hoffmann &xhci_uport_ops, speedmask); 3377f1ae32a1SGerd Hoffmann } 3378f1ae32a1SGerd Hoffmann } 3379f1ae32a1SGerd Hoffmann 33809af21dbeSMarkus Armbruster static void usb_xhci_realize(struct PCIDevice *dev, Error **errp) 3381f1ae32a1SGerd Hoffmann { 33821d8a4e69SGerd Hoffmann int i, ret; 33831108b2f8SCao jin Error *err = NULL; 3384f1ae32a1SGerd Hoffmann 338537034575SPeter Crosthwaite XHCIState *xhci = XHCI(dev); 3386f1ae32a1SGerd Hoffmann 33879b7d3334SAndreas Färber dev->config[PCI_CLASS_PROG] = 0x30; /* xHCI */ 33889b7d3334SAndreas Färber dev->config[PCI_INTERRUPT_PIN] = 0x01; /* interrupt pin 1 */ 33899b7d3334SAndreas Färber dev->config[PCI_CACHE_LINE_SIZE] = 0x10; 33909b7d3334SAndreas Färber dev->config[0x60] = 0x30; /* release number */ 3391f1ae32a1SGerd Hoffmann 33922992d6b4SGerd Hoffmann if (strcmp(object_get_typename(OBJECT(dev)), TYPE_NEC_XHCI) == 0) { 33932992d6b4SGerd Hoffmann xhci->nec_quirks = true; 33942992d6b4SGerd Hoffmann } 339591062ae0SGerd Hoffmann if (xhci->numintrs > MAXINTRS) { 339691062ae0SGerd Hoffmann xhci->numintrs = MAXINTRS; 339791062ae0SGerd Hoffmann } 3398c94a7c69SGerd Hoffmann while (xhci->numintrs & (xhci->numintrs - 1)) { /* ! power of 2 */ 3399c94a7c69SGerd Hoffmann xhci->numintrs++; 3400c94a7c69SGerd Hoffmann } 340191062ae0SGerd Hoffmann if (xhci->numintrs < 1) { 340291062ae0SGerd Hoffmann xhci->numintrs = 1; 340391062ae0SGerd Hoffmann } 340491062ae0SGerd Hoffmann if (xhci->numslots > MAXSLOTS) { 340591062ae0SGerd Hoffmann xhci->numslots = MAXSLOTS; 340691062ae0SGerd Hoffmann } 340791062ae0SGerd Hoffmann if (xhci->numslots < 1) { 340891062ae0SGerd Hoffmann xhci->numslots = 1; 340991062ae0SGerd Hoffmann } 34102aa6bfcbSGerd Hoffmann if (xhci_get_flag(xhci, XHCI_FLAG_ENABLE_STREAMS)) { 34112aa6bfcbSGerd Hoffmann xhci->max_pstreams_mask = 7; /* == 256 primary streams */ 34122aa6bfcbSGerd Hoffmann } else { 34132aa6bfcbSGerd Hoffmann xhci->max_pstreams_mask = 0; 34142aa6bfcbSGerd Hoffmann } 341591062ae0SGerd Hoffmann 341620729dbdSCao jin if (xhci->msi != ON_OFF_AUTO_OFF) { 341720729dbdSCao jin ret = msi_init(dev, 0x70, xhci->numintrs, true, false, &err); 341820729dbdSCao jin /* Any error other than -ENOTSUP(board's MSI support is broken) 341920729dbdSCao jin * is a programming error */ 342020729dbdSCao jin assert(!ret || ret == -ENOTSUP); 342120729dbdSCao jin if (ret && xhci->msi == ON_OFF_AUTO_ON) { 342220729dbdSCao jin /* Can't satisfy user's explicit msi=on request, fail */ 342320729dbdSCao jin error_append_hint(&err, "You have to use msi=auto (default) or " 342420729dbdSCao jin "msi=off with this machine type.\n"); 342520729dbdSCao jin error_propagate(errp, err); 342620729dbdSCao jin return; 342720729dbdSCao jin } 342820729dbdSCao jin assert(!err || xhci->msi == ON_OFF_AUTO_AUTO); 342920729dbdSCao jin /* With msi=auto, we fall back to MSI off silently */ 343020729dbdSCao jin error_free(err); 343120729dbdSCao jin } 343220729dbdSCao jin 343320729dbdSCao jin usb_xhci_init(xhci); 3434bc72ad67SAlex Bligh xhci->mfwrap_timer = timer_new_ns(QEMU_CLOCK_VIRTUAL, xhci_mfwrap_timer, xhci); 343501546fa6SGerd Hoffmann 343622fc860bSPaolo Bonzini memory_region_init(&xhci->mem, OBJECT(xhci), "xhci", LEN_REGS); 343722fc860bSPaolo Bonzini memory_region_init_io(&xhci->mem_cap, OBJECT(xhci), &xhci_cap_ops, xhci, 34381b067564SGerd Hoffmann "capabilities", LEN_CAP); 343922fc860bSPaolo Bonzini memory_region_init_io(&xhci->mem_oper, OBJECT(xhci), &xhci_oper_ops, xhci, 34401d8a4e69SGerd Hoffmann "operational", 0x400); 344122fc860bSPaolo Bonzini memory_region_init_io(&xhci->mem_runtime, OBJECT(xhci), &xhci_runtime_ops, xhci, 34421b067564SGerd Hoffmann "runtime", LEN_RUNTIME); 344322fc860bSPaolo Bonzini memory_region_init_io(&xhci->mem_doorbell, OBJECT(xhci), &xhci_doorbell_ops, xhci, 34441b067564SGerd Hoffmann "doorbell", LEN_DOORBELL); 34451b067564SGerd Hoffmann 34461b067564SGerd Hoffmann memory_region_add_subregion(&xhci->mem, 0, &xhci->mem_cap); 34471b067564SGerd Hoffmann memory_region_add_subregion(&xhci->mem, OFF_OPER, &xhci->mem_oper); 34481b067564SGerd Hoffmann memory_region_add_subregion(&xhci->mem, OFF_RUNTIME, &xhci->mem_runtime); 34491b067564SGerd Hoffmann memory_region_add_subregion(&xhci->mem, OFF_DOORBELL, &xhci->mem_doorbell); 34501b067564SGerd Hoffmann 34511d8a4e69SGerd Hoffmann for (i = 0; i < xhci->numports; i++) { 34521d8a4e69SGerd Hoffmann XHCIPort *port = &xhci->ports[i]; 34531d8a4e69SGerd Hoffmann uint32_t offset = OFF_OPER + 0x400 + 0x10 * i; 34541d8a4e69SGerd Hoffmann port->xhci = xhci; 345522fc860bSPaolo Bonzini memory_region_init_io(&port->mem, OBJECT(xhci), &xhci_port_ops, port, 34561d8a4e69SGerd Hoffmann port->name, 0x10); 34571d8a4e69SGerd Hoffmann memory_region_add_subregion(&xhci->mem, offset, &port->mem); 34581d8a4e69SGerd Hoffmann } 34591d8a4e69SGerd Hoffmann 34609b7d3334SAndreas Färber pci_register_bar(dev, 0, 3461f1ae32a1SGerd Hoffmann PCI_BASE_ADDRESS_SPACE_MEMORY|PCI_BASE_ADDRESS_MEM_TYPE_64, 3462f1ae32a1SGerd Hoffmann &xhci->mem); 3463f1ae32a1SGerd Hoffmann 3464fd56e061SDavid Gibson if (pci_bus_is_express(pci_get_bus(dev)) || 3465e6043e92SDr. David Alan Gilbert xhci_get_flag(xhci, XHCI_FLAG_FORCE_PCIE_ENDCAP)) { 34669b7d3334SAndreas Färber ret = pcie_endpoint_cap_init(dev, 0xa0); 34679a815774SMao Zhongyi assert(ret > 0); 3468058fdcf5SGerd Hoffmann } 3469f1ae32a1SGerd Hoffmann 3470290fd20dSCao jin if (xhci->msix != ON_OFF_AUTO_OFF) { 3471ee640c62SCao jin /* TODO check for errors, and should fail when msix=on */ 34729b7d3334SAndreas Färber msix_init(dev, xhci->numintrs, 34734c47f800SGerd Hoffmann &xhci->mem, 0, OFF_MSIX_TABLE, 34744c47f800SGerd Hoffmann &xhci->mem, 0, OFF_MSIX_PBA, 3475ee640c62SCao jin 0x90, NULL); 34764c47f800SGerd Hoffmann } 3477f1ae32a1SGerd Hoffmann } 3478f1ae32a1SGerd Hoffmann 347953c30545SGonglei static void usb_xhci_exit(PCIDevice *dev) 348053c30545SGonglei { 348153c30545SGonglei int i; 348253c30545SGonglei XHCIState *xhci = XHCI(dev); 348353c30545SGonglei 3484d733f74cSGonglei trace_usb_xhci_exit(); 3485d733f74cSGonglei 348653c30545SGonglei for (i = 0; i < xhci->numslots; i++) { 348753c30545SGonglei xhci_disable_slot(xhci, i + 1); 348853c30545SGonglei } 348953c30545SGonglei 349053c30545SGonglei if (xhci->mfwrap_timer) { 349153c30545SGonglei timer_del(xhci->mfwrap_timer); 349253c30545SGonglei timer_free(xhci->mfwrap_timer); 349353c30545SGonglei xhci->mfwrap_timer = NULL; 349453c30545SGonglei } 349553c30545SGonglei 349653c30545SGonglei memory_region_del_subregion(&xhci->mem, &xhci->mem_cap); 349753c30545SGonglei memory_region_del_subregion(&xhci->mem, &xhci->mem_oper); 349853c30545SGonglei memory_region_del_subregion(&xhci->mem, &xhci->mem_runtime); 349953c30545SGonglei memory_region_del_subregion(&xhci->mem, &xhci->mem_doorbell); 350053c30545SGonglei 350153c30545SGonglei for (i = 0; i < xhci->numports; i++) { 350253c30545SGonglei XHCIPort *port = &xhci->ports[i]; 350353c30545SGonglei memory_region_del_subregion(&xhci->mem, &port->mem); 350453c30545SGonglei } 350553c30545SGonglei 350653c30545SGonglei /* destroy msix memory region */ 350753c30545SGonglei if (dev->msix_table && dev->msix_pba 350853c30545SGonglei && dev->msix_entry_used) { 3509b53dd449SLi Qiang msix_uninit(dev, &xhci->mem, &xhci->mem); 351053c30545SGonglei } 351153c30545SGonglei 351253c30545SGonglei usb_bus_release(&xhci->bus); 351353c30545SGonglei } 351453c30545SGonglei 351537352df3SGerd Hoffmann static int usb_xhci_post_load(void *opaque, int version_id) 351637352df3SGerd Hoffmann { 351737352df3SGerd Hoffmann XHCIState *xhci = opaque; 35189b7d3334SAndreas Färber PCIDevice *pci_dev = PCI_DEVICE(xhci); 351937352df3SGerd Hoffmann XHCISlot *slot; 352037352df3SGerd Hoffmann XHCIEPContext *epctx; 352137352df3SGerd Hoffmann dma_addr_t dcbaap, pctx; 352237352df3SGerd Hoffmann uint32_t slot_ctx[4]; 352337352df3SGerd Hoffmann uint32_t ep_ctx[5]; 352437352df3SGerd Hoffmann int slotid, epid, state, intr; 352537352df3SGerd Hoffmann 352637352df3SGerd Hoffmann dcbaap = xhci_addr64(xhci->dcbaap_low, xhci->dcbaap_high); 352737352df3SGerd Hoffmann 352837352df3SGerd Hoffmann for (slotid = 1; slotid <= xhci->numslots; slotid++) { 352937352df3SGerd Hoffmann slot = &xhci->slots[slotid-1]; 353037352df3SGerd Hoffmann if (!slot->addressed) { 353137352df3SGerd Hoffmann continue; 353237352df3SGerd Hoffmann } 353337352df3SGerd Hoffmann slot->ctx = 35349b7d3334SAndreas Färber xhci_mask64(ldq_le_pci_dma(pci_dev, dcbaap + 8 * slotid)); 353537352df3SGerd Hoffmann xhci_dma_read_u32s(xhci, slot->ctx, slot_ctx, sizeof(slot_ctx)); 353637352df3SGerd Hoffmann slot->uport = xhci_lookup_uport(xhci, slot_ctx); 3537f2ad97ffSGerd Hoffmann if (!slot->uport) { 3538f2ad97ffSGerd Hoffmann /* should not happen, but may trigger on guest bugs */ 3539f2ad97ffSGerd Hoffmann slot->enabled = 0; 3540f2ad97ffSGerd Hoffmann slot->addressed = 0; 3541f2ad97ffSGerd Hoffmann continue; 3542f2ad97ffSGerd Hoffmann } 354337352df3SGerd Hoffmann assert(slot->uport && slot->uport->dev); 354437352df3SGerd Hoffmann 3545f6969b9fSGerd Hoffmann for (epid = 1; epid <= 31; epid++) { 354637352df3SGerd Hoffmann pctx = slot->ctx + 32 * epid; 354737352df3SGerd Hoffmann xhci_dma_read_u32s(xhci, pctx, ep_ctx, sizeof(ep_ctx)); 354837352df3SGerd Hoffmann state = ep_ctx[0] & EP_STATE_MASK; 354937352df3SGerd Hoffmann if (state == EP_DISABLED) { 355037352df3SGerd Hoffmann continue; 355137352df3SGerd Hoffmann } 355237352df3SGerd Hoffmann epctx = xhci_alloc_epctx(xhci, slotid, epid); 355337352df3SGerd Hoffmann slot->eps[epid-1] = epctx; 355437352df3SGerd Hoffmann xhci_init_epctx(epctx, pctx, ep_ctx); 355537352df3SGerd Hoffmann epctx->state = state; 355637352df3SGerd Hoffmann if (state == EP_RUNNING) { 355737352df3SGerd Hoffmann /* kick endpoint after vmload is finished */ 3558bc72ad67SAlex Bligh timer_mod(epctx->kick_timer, qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL)); 355937352df3SGerd Hoffmann } 356037352df3SGerd Hoffmann } 356137352df3SGerd Hoffmann } 356237352df3SGerd Hoffmann 356337352df3SGerd Hoffmann for (intr = 0; intr < xhci->numintrs; intr++) { 356437352df3SGerd Hoffmann if (xhci->intr[intr].msix_used) { 35659b7d3334SAndreas Färber msix_vector_use(pci_dev, intr); 356637352df3SGerd Hoffmann } else { 35679b7d3334SAndreas Färber msix_vector_unuse(pci_dev, intr); 356837352df3SGerd Hoffmann } 356937352df3SGerd Hoffmann } 357037352df3SGerd Hoffmann 357137352df3SGerd Hoffmann return 0; 357237352df3SGerd Hoffmann } 357337352df3SGerd Hoffmann 357437352df3SGerd Hoffmann static const VMStateDescription vmstate_xhci_ring = { 357537352df3SGerd Hoffmann .name = "xhci-ring", 357637352df3SGerd Hoffmann .version_id = 1, 357737352df3SGerd Hoffmann .fields = (VMStateField[]) { 357837352df3SGerd Hoffmann VMSTATE_UINT64(dequeue, XHCIRing), 357937352df3SGerd Hoffmann VMSTATE_BOOL(ccs, XHCIRing), 358037352df3SGerd Hoffmann VMSTATE_END_OF_LIST() 358137352df3SGerd Hoffmann } 358237352df3SGerd Hoffmann }; 358337352df3SGerd Hoffmann 358437352df3SGerd Hoffmann static const VMStateDescription vmstate_xhci_port = { 358537352df3SGerd Hoffmann .name = "xhci-port", 358637352df3SGerd Hoffmann .version_id = 1, 358737352df3SGerd Hoffmann .fields = (VMStateField[]) { 358837352df3SGerd Hoffmann VMSTATE_UINT32(portsc, XHCIPort), 358937352df3SGerd Hoffmann VMSTATE_END_OF_LIST() 359037352df3SGerd Hoffmann } 359137352df3SGerd Hoffmann }; 359237352df3SGerd Hoffmann 359337352df3SGerd Hoffmann static const VMStateDescription vmstate_xhci_slot = { 359437352df3SGerd Hoffmann .name = "xhci-slot", 359537352df3SGerd Hoffmann .version_id = 1, 359637352df3SGerd Hoffmann .fields = (VMStateField[]) { 359737352df3SGerd Hoffmann VMSTATE_BOOL(enabled, XHCISlot), 359837352df3SGerd Hoffmann VMSTATE_BOOL(addressed, XHCISlot), 359937352df3SGerd Hoffmann VMSTATE_END_OF_LIST() 360037352df3SGerd Hoffmann } 360137352df3SGerd Hoffmann }; 360237352df3SGerd Hoffmann 360337352df3SGerd Hoffmann static const VMStateDescription vmstate_xhci_event = { 360437352df3SGerd Hoffmann .name = "xhci-event", 360537352df3SGerd Hoffmann .version_id = 1, 360637352df3SGerd Hoffmann .fields = (VMStateField[]) { 360737352df3SGerd Hoffmann VMSTATE_UINT32(type, XHCIEvent), 360837352df3SGerd Hoffmann VMSTATE_UINT32(ccode, XHCIEvent), 360937352df3SGerd Hoffmann VMSTATE_UINT64(ptr, XHCIEvent), 361037352df3SGerd Hoffmann VMSTATE_UINT32(length, XHCIEvent), 361137352df3SGerd Hoffmann VMSTATE_UINT32(flags, XHCIEvent), 361237352df3SGerd Hoffmann VMSTATE_UINT8(slotid, XHCIEvent), 361337352df3SGerd Hoffmann VMSTATE_UINT8(epid, XHCIEvent), 36143afca1d6SLaszlo Ersek VMSTATE_END_OF_LIST() 361537352df3SGerd Hoffmann } 361637352df3SGerd Hoffmann }; 361737352df3SGerd Hoffmann 361837352df3SGerd Hoffmann static bool xhci_er_full(void *opaque, int version_id) 361937352df3SGerd Hoffmann { 3620898248a3SGerd Hoffmann return false; 362137352df3SGerd Hoffmann } 362237352df3SGerd Hoffmann 362337352df3SGerd Hoffmann static const VMStateDescription vmstate_xhci_intr = { 362437352df3SGerd Hoffmann .name = "xhci-intr", 362537352df3SGerd Hoffmann .version_id = 1, 362637352df3SGerd Hoffmann .fields = (VMStateField[]) { 362737352df3SGerd Hoffmann /* registers */ 362837352df3SGerd Hoffmann VMSTATE_UINT32(iman, XHCIInterrupter), 362937352df3SGerd Hoffmann VMSTATE_UINT32(imod, XHCIInterrupter), 363037352df3SGerd Hoffmann VMSTATE_UINT32(erstsz, XHCIInterrupter), 363137352df3SGerd Hoffmann VMSTATE_UINT32(erstba_low, XHCIInterrupter), 363237352df3SGerd Hoffmann VMSTATE_UINT32(erstba_high, XHCIInterrupter), 363337352df3SGerd Hoffmann VMSTATE_UINT32(erdp_low, XHCIInterrupter), 363437352df3SGerd Hoffmann VMSTATE_UINT32(erdp_high, XHCIInterrupter), 363537352df3SGerd Hoffmann 363637352df3SGerd Hoffmann /* state */ 363737352df3SGerd Hoffmann VMSTATE_BOOL(msix_used, XHCIInterrupter), 363837352df3SGerd Hoffmann VMSTATE_BOOL(er_pcs, XHCIInterrupter), 363937352df3SGerd Hoffmann VMSTATE_UINT64(er_start, XHCIInterrupter), 364037352df3SGerd Hoffmann VMSTATE_UINT32(er_size, XHCIInterrupter), 364137352df3SGerd Hoffmann VMSTATE_UINT32(er_ep_idx, XHCIInterrupter), 364237352df3SGerd Hoffmann 364337352df3SGerd Hoffmann /* event queue (used if ring is full) */ 3644898248a3SGerd Hoffmann VMSTATE_BOOL(er_full_unused, XHCIInterrupter), 364537352df3SGerd Hoffmann VMSTATE_UINT32_TEST(ev_buffer_put, XHCIInterrupter, xhci_er_full), 364637352df3SGerd Hoffmann VMSTATE_UINT32_TEST(ev_buffer_get, XHCIInterrupter, xhci_er_full), 364737352df3SGerd Hoffmann VMSTATE_STRUCT_ARRAY_TEST(ev_buffer, XHCIInterrupter, EV_QUEUE, 364837352df3SGerd Hoffmann xhci_er_full, 1, 364937352df3SGerd Hoffmann vmstate_xhci_event, XHCIEvent), 365037352df3SGerd Hoffmann 365137352df3SGerd Hoffmann VMSTATE_END_OF_LIST() 365237352df3SGerd Hoffmann } 365337352df3SGerd Hoffmann }; 365437352df3SGerd Hoffmann 3655f1ae32a1SGerd Hoffmann static const VMStateDescription vmstate_xhci = { 3656f1ae32a1SGerd Hoffmann .name = "xhci", 365737352df3SGerd Hoffmann .version_id = 1, 365837352df3SGerd Hoffmann .post_load = usb_xhci_post_load, 365937352df3SGerd Hoffmann .fields = (VMStateField[]) { 366020daa90aSDr. David Alan Gilbert VMSTATE_PCI_DEVICE(parent_obj, XHCIState), 36619b7d3334SAndreas Färber VMSTATE_MSIX(parent_obj, XHCIState), 366237352df3SGerd Hoffmann 366337352df3SGerd Hoffmann VMSTATE_STRUCT_VARRAY_UINT32(ports, XHCIState, numports, 1, 366437352df3SGerd Hoffmann vmstate_xhci_port, XHCIPort), 366537352df3SGerd Hoffmann VMSTATE_STRUCT_VARRAY_UINT32(slots, XHCIState, numslots, 1, 366637352df3SGerd Hoffmann vmstate_xhci_slot, XHCISlot), 366737352df3SGerd Hoffmann VMSTATE_STRUCT_VARRAY_UINT32(intr, XHCIState, numintrs, 1, 366837352df3SGerd Hoffmann vmstate_xhci_intr, XHCIInterrupter), 366937352df3SGerd Hoffmann 367037352df3SGerd Hoffmann /* Operational Registers */ 367137352df3SGerd Hoffmann VMSTATE_UINT32(usbcmd, XHCIState), 367237352df3SGerd Hoffmann VMSTATE_UINT32(usbsts, XHCIState), 367337352df3SGerd Hoffmann VMSTATE_UINT32(dnctrl, XHCIState), 367437352df3SGerd Hoffmann VMSTATE_UINT32(crcr_low, XHCIState), 367537352df3SGerd Hoffmann VMSTATE_UINT32(crcr_high, XHCIState), 367637352df3SGerd Hoffmann VMSTATE_UINT32(dcbaap_low, XHCIState), 367737352df3SGerd Hoffmann VMSTATE_UINT32(dcbaap_high, XHCIState), 367837352df3SGerd Hoffmann VMSTATE_UINT32(config, XHCIState), 367937352df3SGerd Hoffmann 368037352df3SGerd Hoffmann /* Runtime Registers & state */ 368137352df3SGerd Hoffmann VMSTATE_INT64(mfindex_start, XHCIState), 3682e720677eSPaolo Bonzini VMSTATE_TIMER_PTR(mfwrap_timer, XHCIState), 368337352df3SGerd Hoffmann VMSTATE_STRUCT(cmd_ring, XHCIState, 1, vmstate_xhci_ring, XHCIRing), 368437352df3SGerd Hoffmann 368537352df3SGerd Hoffmann VMSTATE_END_OF_LIST() 368637352df3SGerd Hoffmann } 3687f1ae32a1SGerd Hoffmann }; 3688f1ae32a1SGerd Hoffmann 36894f72b8d2SGerd Hoffmann static Property xhci_properties[] = { 36904f72b8d2SGerd Hoffmann DEFINE_PROP_BIT("streams", XHCIState, flags, 36914f72b8d2SGerd Hoffmann XHCI_FLAG_ENABLE_STREAMS, true), 36920846e635SGerd Hoffmann DEFINE_PROP_UINT32("p2", XHCIState, numports_2, 4), 36930846e635SGerd Hoffmann DEFINE_PROP_UINT32("p3", XHCIState, numports_3, 4), 3694f1ae32a1SGerd Hoffmann DEFINE_PROP_END_OF_LIST(), 3695f1ae32a1SGerd Hoffmann }; 3696f1ae32a1SGerd Hoffmann 3697d61a363dSYoni Bettan static void xhci_instance_init(Object *obj) 3698d61a363dSYoni Bettan { 3699d61a363dSYoni Bettan /* QEMU_PCI_CAP_EXPRESS initialization does not depend on QEMU command 3700d61a363dSYoni Bettan * line, therefore, no need to wait to realize like other devices */ 3701d61a363dSYoni Bettan PCI_DEVICE(obj)->cap_present |= QEMU_PCI_CAP_EXPRESS; 3702d61a363dSYoni Bettan } 3703d61a363dSYoni Bettan 3704f1ae32a1SGerd Hoffmann static void xhci_class_init(ObjectClass *klass, void *data) 3705f1ae32a1SGerd Hoffmann { 3706f1ae32a1SGerd Hoffmann PCIDeviceClass *k = PCI_DEVICE_CLASS(klass); 3707f1ae32a1SGerd Hoffmann DeviceClass *dc = DEVICE_CLASS(klass); 3708f1ae32a1SGerd Hoffmann 3709f1ae32a1SGerd Hoffmann dc->vmsd = &vmstate_xhci; 37104f67d30bSMarc-André Lureau device_class_set_props(dc, xhci_properties); 371164619739SJan Kiszka dc->reset = xhci_reset; 3712125ee0edSMarcel Apfelbaum set_bit(DEVICE_CATEGORY_USB, dc->categories); 37139af21dbeSMarkus Armbruster k->realize = usb_xhci_realize; 371453c30545SGonglei k->exit = usb_xhci_exit; 3715f1ae32a1SGerd Hoffmann k->class_id = PCI_CLASS_SERIAL_USB; 3716f1ae32a1SGerd Hoffmann } 3717f1ae32a1SGerd Hoffmann 37188c43a6f0SAndreas Färber static const TypeInfo xhci_info = { 371937034575SPeter Crosthwaite .name = TYPE_XHCI, 3720f1ae32a1SGerd Hoffmann .parent = TYPE_PCI_DEVICE, 3721f1ae32a1SGerd Hoffmann .instance_size = sizeof(XHCIState), 3722f1ae32a1SGerd Hoffmann .class_init = xhci_class_init, 3723d61a363dSYoni Bettan .instance_init = xhci_instance_init, 372472a810f4SGerd Hoffmann .abstract = true, 3725a5fa336fSEduardo Habkost .interfaces = (InterfaceInfo[]) { 3726a5fa336fSEduardo Habkost { INTERFACE_PCIE_DEVICE }, 3727a5fa336fSEduardo Habkost { INTERFACE_CONVENTIONAL_PCI_DEVICE }, 3728a5fa336fSEduardo Habkost { } 3729a5fa336fSEduardo Habkost }, 373072a810f4SGerd Hoffmann }; 373172a810f4SGerd Hoffmann 373272a810f4SGerd Hoffmann static void qemu_xhci_class_init(ObjectClass *klass, void *data) 373372a810f4SGerd Hoffmann { 373472a810f4SGerd Hoffmann PCIDeviceClass *k = PCI_DEVICE_CLASS(klass); 373572a810f4SGerd Hoffmann 373672a810f4SGerd Hoffmann k->vendor_id = PCI_VENDOR_ID_REDHAT; 373772a810f4SGerd Hoffmann k->device_id = PCI_DEVICE_ID_REDHAT_XHCI; 373872a810f4SGerd Hoffmann k->revision = 0x01; 373972a810f4SGerd Hoffmann } 374072a810f4SGerd Hoffmann 37414f72b8d2SGerd Hoffmann static void qemu_xhci_instance_init(Object *obj) 37424f72b8d2SGerd Hoffmann { 37434f72b8d2SGerd Hoffmann XHCIState *xhci = XHCI(obj); 37444f72b8d2SGerd Hoffmann 37454f72b8d2SGerd Hoffmann xhci->msi = ON_OFF_AUTO_OFF; 37464f72b8d2SGerd Hoffmann xhci->msix = ON_OFF_AUTO_AUTO; 37474f72b8d2SGerd Hoffmann xhci->numintrs = MAXINTRS; 37484f72b8d2SGerd Hoffmann xhci->numslots = MAXSLOTS; 37494f72b8d2SGerd Hoffmann xhci_set_flag(xhci, XHCI_FLAG_SS_FIRST); 37504f72b8d2SGerd Hoffmann } 37514f72b8d2SGerd Hoffmann 375272a810f4SGerd Hoffmann static const TypeInfo qemu_xhci_info = { 375372a810f4SGerd Hoffmann .name = TYPE_QEMU_XHCI, 375472a810f4SGerd Hoffmann .parent = TYPE_XHCI, 375572a810f4SGerd Hoffmann .class_init = qemu_xhci_class_init, 37564f72b8d2SGerd Hoffmann .instance_init = qemu_xhci_instance_init, 3757f1ae32a1SGerd Hoffmann }; 3758f1ae32a1SGerd Hoffmann 3759f1ae32a1SGerd Hoffmann static void xhci_register_types(void) 3760f1ae32a1SGerd Hoffmann { 3761f1ae32a1SGerd Hoffmann type_register_static(&xhci_info); 376272a810f4SGerd Hoffmann type_register_static(&qemu_xhci_info); 3763f1ae32a1SGerd Hoffmann } 3764f1ae32a1SGerd Hoffmann 3765f1ae32a1SGerd Hoffmann type_init(xhci_register_types) 3766