1f1ae32a1SGerd Hoffmann /* 2f1ae32a1SGerd Hoffmann * QEMU USB EHCI Emulation 3f1ae32a1SGerd Hoffmann * 4f1ae32a1SGerd Hoffmann * Copyright(c) 2008 Emutex Ltd. (address@hidden) 5522079ddSHans de Goede * Copyright(c) 2011-2012 Red Hat, Inc. 6522079ddSHans de Goede * 7522079ddSHans de Goede * Red Hat Authors: 8522079ddSHans de Goede * Gerd Hoffmann <kraxel@redhat.com> 9522079ddSHans de Goede * Hans de Goede <hdegoede@redhat.com> 10f1ae32a1SGerd Hoffmann * 11f1ae32a1SGerd Hoffmann * EHCI project was started by Mark Burkley, with contributions by 12f1ae32a1SGerd Hoffmann * Niels de Vos. David S. Ahern continued working on it. Kevin Wolf, 13f1ae32a1SGerd Hoffmann * Jan Kiszka and Vincent Palatin contributed bugfixes. 14f1ae32a1SGerd Hoffmann * 15f1ae32a1SGerd Hoffmann * 16f1ae32a1SGerd Hoffmann * This library is free software; you can redistribute it and/or 17f1ae32a1SGerd Hoffmann * modify it under the terms of the GNU Lesser General Public 18f1ae32a1SGerd Hoffmann * License as published by the Free Software Foundation; either 19f1ae32a1SGerd Hoffmann * version 2 of the License, or(at your option) any later version. 20f1ae32a1SGerd Hoffmann * 21f1ae32a1SGerd Hoffmann * This library is distributed in the hope that it will be useful, 22f1ae32a1SGerd Hoffmann * but WITHOUT ANY WARRANTY; without even the implied warranty of 23f1ae32a1SGerd Hoffmann * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 24f1ae32a1SGerd Hoffmann * Lesser General Public License for more details. 25f1ae32a1SGerd Hoffmann * 26f1ae32a1SGerd Hoffmann * You should have received a copy of the GNU General Public License 27f1ae32a1SGerd Hoffmann * along with this program; if not, see <http://www.gnu.org/licenses/>. 28f1ae32a1SGerd Hoffmann */ 29f1ae32a1SGerd Hoffmann 300bf96f94SGerd Hoffmann #include "hw/usb/hcd-ehci.h" 31f1ae32a1SGerd Hoffmann 32f1ae32a1SGerd Hoffmann /* Capability Registers Base Address - section 2.2 */ 3327a11324SPeter Crosthwaite #define CAPLENGTH 0x0000 /* 1-byte, 0x0001 reserved */ 3427a11324SPeter Crosthwaite #define HCIVERSION 0x0002 /* 2-bytes, i/f version # */ 3527a11324SPeter Crosthwaite #define HCSPARAMS 0x0004 /* 4-bytes, structural params */ 3627a11324SPeter Crosthwaite #define HCCPARAMS 0x0008 /* 4-bytes, capability params */ 37f1ae32a1SGerd Hoffmann #define EECP HCCPARAMS + 1 3827a11324SPeter Crosthwaite #define HCSPPORTROUTE1 0x000c 3927a11324SPeter Crosthwaite #define HCSPPORTROUTE2 0x0010 40f1ae32a1SGerd Hoffmann 4127a11324SPeter Crosthwaite #define USBCMD 0x0000 42f1ae32a1SGerd Hoffmann #define USBCMD_RUNSTOP (1 << 0) // run / Stop 43f1ae32a1SGerd Hoffmann #define USBCMD_HCRESET (1 << 1) // HC Reset 44f1ae32a1SGerd Hoffmann #define USBCMD_FLS (3 << 2) // Frame List Size 45f1ae32a1SGerd Hoffmann #define USBCMD_FLS_SH 2 // Frame List Size Shift 46f1ae32a1SGerd Hoffmann #define USBCMD_PSE (1 << 4) // Periodic Schedule Enable 47f1ae32a1SGerd Hoffmann #define USBCMD_ASE (1 << 5) // Asynch Schedule Enable 48f1ae32a1SGerd Hoffmann #define USBCMD_IAAD (1 << 6) // Int Asynch Advance Doorbell 49f1ae32a1SGerd Hoffmann #define USBCMD_LHCR (1 << 7) // Light Host Controller Reset 50f1ae32a1SGerd Hoffmann #define USBCMD_ASPMC (3 << 8) // Async Sched Park Mode Count 51f1ae32a1SGerd Hoffmann #define USBCMD_ASPME (1 << 11) // Async Sched Park Mode Enable 52f1ae32a1SGerd Hoffmann #define USBCMD_ITC (0x7f << 16) // Int Threshold Control 53f1ae32a1SGerd Hoffmann #define USBCMD_ITC_SH 16 // Int Threshold Control Shift 54f1ae32a1SGerd Hoffmann 5527a11324SPeter Crosthwaite #define USBSTS 0x0004 56f1ae32a1SGerd Hoffmann #define USBSTS_RO_MASK 0x0000003f 57f1ae32a1SGerd Hoffmann #define USBSTS_INT (1 << 0) // USB Interrupt 58f1ae32a1SGerd Hoffmann #define USBSTS_ERRINT (1 << 1) // Error Interrupt 59f1ae32a1SGerd Hoffmann #define USBSTS_PCD (1 << 2) // Port Change Detect 60f1ae32a1SGerd Hoffmann #define USBSTS_FLR (1 << 3) // Frame List Rollover 61f1ae32a1SGerd Hoffmann #define USBSTS_HSE (1 << 4) // Host System Error 62f1ae32a1SGerd Hoffmann #define USBSTS_IAA (1 << 5) // Interrupt on Async Advance 63f1ae32a1SGerd Hoffmann #define USBSTS_HALT (1 << 12) // HC Halted 64f1ae32a1SGerd Hoffmann #define USBSTS_REC (1 << 13) // Reclamation 65f1ae32a1SGerd Hoffmann #define USBSTS_PSS (1 << 14) // Periodic Schedule Status 66f1ae32a1SGerd Hoffmann #define USBSTS_ASS (1 << 15) // Asynchronous Schedule Status 67f1ae32a1SGerd Hoffmann 68f1ae32a1SGerd Hoffmann /* 69f1ae32a1SGerd Hoffmann * Interrupt enable bits correspond to the interrupt active bits in USBSTS 70f1ae32a1SGerd Hoffmann * so no need to redefine here. 71f1ae32a1SGerd Hoffmann */ 7227a11324SPeter Crosthwaite #define USBINTR 0x0008 73f1ae32a1SGerd Hoffmann #define USBINTR_MASK 0x0000003f 74f1ae32a1SGerd Hoffmann 7527a11324SPeter Crosthwaite #define FRINDEX 0x000c 7627a11324SPeter Crosthwaite #define CTRLDSSEGMENT 0x0010 7727a11324SPeter Crosthwaite #define PERIODICLISTBASE 0x0014 7827a11324SPeter Crosthwaite #define ASYNCLISTADDR 0x0018 79f1ae32a1SGerd Hoffmann #define ASYNCLISTADDR_MASK 0xffffffe0 80f1ae32a1SGerd Hoffmann 8127a11324SPeter Crosthwaite #define CONFIGFLAG 0x0040 82f1ae32a1SGerd Hoffmann 83f1ae32a1SGerd Hoffmann /* 84f1ae32a1SGerd Hoffmann * Bits that are reserved or are read-only are masked out of values 85f1ae32a1SGerd Hoffmann * written to us by software 86f1ae32a1SGerd Hoffmann */ 87f1ae32a1SGerd Hoffmann #define PORTSC_RO_MASK 0x007001c0 88f1ae32a1SGerd Hoffmann #define PORTSC_RWC_MASK 0x0000002a 89f1ae32a1SGerd Hoffmann #define PORTSC_WKOC_E (1 << 22) // Wake on Over Current Enable 90f1ae32a1SGerd Hoffmann #define PORTSC_WKDS_E (1 << 21) // Wake on Disconnect Enable 91f1ae32a1SGerd Hoffmann #define PORTSC_WKCN_E (1 << 20) // Wake on Connect Enable 92f1ae32a1SGerd Hoffmann #define PORTSC_PTC (15 << 16) // Port Test Control 93f1ae32a1SGerd Hoffmann #define PORTSC_PTC_SH 16 // Port Test Control shift 94f1ae32a1SGerd Hoffmann #define PORTSC_PIC (3 << 14) // Port Indicator Control 95f1ae32a1SGerd Hoffmann #define PORTSC_PIC_SH 14 // Port Indicator Control Shift 96f1ae32a1SGerd Hoffmann #define PORTSC_POWNER (1 << 13) // Port Owner 97f1ae32a1SGerd Hoffmann #define PORTSC_PPOWER (1 << 12) // Port Power 98f1ae32a1SGerd Hoffmann #define PORTSC_LINESTAT (3 << 10) // Port Line Status 99f1ae32a1SGerd Hoffmann #define PORTSC_LINESTAT_SH 10 // Port Line Status Shift 100f1ae32a1SGerd Hoffmann #define PORTSC_PRESET (1 << 8) // Port Reset 101f1ae32a1SGerd Hoffmann #define PORTSC_SUSPEND (1 << 7) // Port Suspend 102f1ae32a1SGerd Hoffmann #define PORTSC_FPRES (1 << 6) // Force Port Resume 103f1ae32a1SGerd Hoffmann #define PORTSC_OCC (1 << 5) // Over Current Change 104f1ae32a1SGerd Hoffmann #define PORTSC_OCA (1 << 4) // Over Current Active 105f1ae32a1SGerd Hoffmann #define PORTSC_PEDC (1 << 3) // Port Enable/Disable Change 106f1ae32a1SGerd Hoffmann #define PORTSC_PED (1 << 2) // Port Enable/Disable 107f1ae32a1SGerd Hoffmann #define PORTSC_CSC (1 << 1) // Connect Status Change 108f1ae32a1SGerd Hoffmann #define PORTSC_CONNECT (1 << 0) // Current Connect Status 109f1ae32a1SGerd Hoffmann 110f1ae32a1SGerd Hoffmann #define FRAME_TIMER_FREQ 1000 111f1ae32a1SGerd Hoffmann #define FRAME_TIMER_NS (1000000000 / FRAME_TIMER_FREQ) 112f1ae32a1SGerd Hoffmann 113f1ae32a1SGerd Hoffmann #define NB_MAXINTRATE 8 // Max rate at which controller issues ints 114f1ae32a1SGerd Hoffmann #define BUFF_SIZE 5*4096 // Max bytes to transfer per transaction 115f1ae32a1SGerd Hoffmann #define MAX_QH 100 // Max allowable queue heads in a chain 1168f74ed1eSHans de Goede #define MIN_FR_PER_TICK 3 // Min frames to process when catching up 117f1ae32a1SGerd Hoffmann 118f1ae32a1SGerd Hoffmann /* Internal periodic / asynchronous schedule state machine states 119f1ae32a1SGerd Hoffmann */ 120f1ae32a1SGerd Hoffmann typedef enum { 121f1ae32a1SGerd Hoffmann EST_INACTIVE = 1000, 122f1ae32a1SGerd Hoffmann EST_ACTIVE, 123f1ae32a1SGerd Hoffmann EST_EXECUTING, 124f1ae32a1SGerd Hoffmann EST_SLEEPING, 125f1ae32a1SGerd Hoffmann /* The following states are internal to the state machine function 126f1ae32a1SGerd Hoffmann */ 127f1ae32a1SGerd Hoffmann EST_WAITLISTHEAD, 128f1ae32a1SGerd Hoffmann EST_FETCHENTRY, 129f1ae32a1SGerd Hoffmann EST_FETCHQH, 130f1ae32a1SGerd Hoffmann EST_FETCHITD, 131f1ae32a1SGerd Hoffmann EST_FETCHSITD, 132f1ae32a1SGerd Hoffmann EST_ADVANCEQUEUE, 133f1ae32a1SGerd Hoffmann EST_FETCHQTD, 134f1ae32a1SGerd Hoffmann EST_EXECUTE, 135f1ae32a1SGerd Hoffmann EST_WRITEBACK, 136f1ae32a1SGerd Hoffmann EST_HORIZONTALQH 137f1ae32a1SGerd Hoffmann } EHCI_STATES; 138f1ae32a1SGerd Hoffmann 139f1ae32a1SGerd Hoffmann /* macros for accessing fields within next link pointer entry */ 140f1ae32a1SGerd Hoffmann #define NLPTR_GET(x) ((x) & 0xffffffe0) 141f1ae32a1SGerd Hoffmann #define NLPTR_TYPE_GET(x) (((x) >> 1) & 3) 142f1ae32a1SGerd Hoffmann #define NLPTR_TBIT(x) ((x) & 1) // 1=invalid, 0=valid 143f1ae32a1SGerd Hoffmann 144f1ae32a1SGerd Hoffmann /* link pointer types */ 145f1ae32a1SGerd Hoffmann #define NLPTR_TYPE_ITD 0 // isoc xfer descriptor 146f1ae32a1SGerd Hoffmann #define NLPTR_TYPE_QH 1 // queue head 147f1ae32a1SGerd Hoffmann #define NLPTR_TYPE_STITD 2 // split xaction, isoc xfer descriptor 148f1ae32a1SGerd Hoffmann #define NLPTR_TYPE_FSTN 3 // frame span traversal node 149f1ae32a1SGerd Hoffmann 150f1ae32a1SGerd Hoffmann #define SET_LAST_RUN_CLOCK(s) \ 151f1ae32a1SGerd Hoffmann (s)->last_run_ns = qemu_get_clock_ns(vm_clock); 152f1ae32a1SGerd Hoffmann 153f1ae32a1SGerd Hoffmann /* nifty macros from Arnon's EHCI version */ 154f1ae32a1SGerd Hoffmann #define get_field(data, field) \ 155f1ae32a1SGerd Hoffmann (((data) & field##_MASK) >> field##_SH) 156f1ae32a1SGerd Hoffmann 157f1ae32a1SGerd Hoffmann #define set_field(data, newval, field) do { \ 158f1ae32a1SGerd Hoffmann uint32_t val = *data; \ 159f1ae32a1SGerd Hoffmann val &= ~ field##_MASK; \ 160f1ae32a1SGerd Hoffmann val |= ((newval) << field##_SH) & field##_MASK; \ 161f1ae32a1SGerd Hoffmann *data = val; \ 162f1ae32a1SGerd Hoffmann } while(0) 163f1ae32a1SGerd Hoffmann 164f1ae32a1SGerd Hoffmann static const char *ehci_state_names[] = { 165f1ae32a1SGerd Hoffmann [EST_INACTIVE] = "INACTIVE", 166f1ae32a1SGerd Hoffmann [EST_ACTIVE] = "ACTIVE", 167f1ae32a1SGerd Hoffmann [EST_EXECUTING] = "EXECUTING", 168f1ae32a1SGerd Hoffmann [EST_SLEEPING] = "SLEEPING", 169f1ae32a1SGerd Hoffmann [EST_WAITLISTHEAD] = "WAITLISTHEAD", 170f1ae32a1SGerd Hoffmann [EST_FETCHENTRY] = "FETCH ENTRY", 171f1ae32a1SGerd Hoffmann [EST_FETCHQH] = "FETCH QH", 172f1ae32a1SGerd Hoffmann [EST_FETCHITD] = "FETCH ITD", 173f1ae32a1SGerd Hoffmann [EST_ADVANCEQUEUE] = "ADVANCEQUEUE", 174f1ae32a1SGerd Hoffmann [EST_FETCHQTD] = "FETCH QTD", 175f1ae32a1SGerd Hoffmann [EST_EXECUTE] = "EXECUTE", 176f1ae32a1SGerd Hoffmann [EST_WRITEBACK] = "WRITEBACK", 177f1ae32a1SGerd Hoffmann [EST_HORIZONTALQH] = "HORIZONTALQH", 178f1ae32a1SGerd Hoffmann }; 179f1ae32a1SGerd Hoffmann 180f1ae32a1SGerd Hoffmann static const char *ehci_mmio_names[] = { 181f1ae32a1SGerd Hoffmann [USBCMD] = "USBCMD", 182f1ae32a1SGerd Hoffmann [USBSTS] = "USBSTS", 183f1ae32a1SGerd Hoffmann [USBINTR] = "USBINTR", 184f1ae32a1SGerd Hoffmann [FRINDEX] = "FRINDEX", 185f1ae32a1SGerd Hoffmann [PERIODICLISTBASE] = "P-LIST BASE", 186f1ae32a1SGerd Hoffmann [ASYNCLISTADDR] = "A-LIST ADDR", 187f1ae32a1SGerd Hoffmann [CONFIGFLAG] = "CONFIGFLAG", 188f1ae32a1SGerd Hoffmann }; 189f1ae32a1SGerd Hoffmann 1904b63a0dfSHans de Goede static int ehci_state_executing(EHCIQueue *q); 1914b63a0dfSHans de Goede static int ehci_state_writeback(EHCIQueue *q); 192*ff80ce59SHans de Goede static int ehci_state_advqueue(EHCIQueue *q); 193b4ea8664SHans de Goede static int ehci_fill_queue(EHCIPacket *p); 1944b63a0dfSHans de Goede 195f1ae32a1SGerd Hoffmann static const char *nr2str(const char **n, size_t len, uint32_t nr) 196f1ae32a1SGerd Hoffmann { 197f1ae32a1SGerd Hoffmann if (nr < len && n[nr] != NULL) { 198f1ae32a1SGerd Hoffmann return n[nr]; 199f1ae32a1SGerd Hoffmann } else { 200f1ae32a1SGerd Hoffmann return "unknown"; 201f1ae32a1SGerd Hoffmann } 202f1ae32a1SGerd Hoffmann } 203f1ae32a1SGerd Hoffmann 204f1ae32a1SGerd Hoffmann static const char *state2str(uint32_t state) 205f1ae32a1SGerd Hoffmann { 206f1ae32a1SGerd Hoffmann return nr2str(ehci_state_names, ARRAY_SIZE(ehci_state_names), state); 207f1ae32a1SGerd Hoffmann } 208f1ae32a1SGerd Hoffmann 209a8170e5eSAvi Kivity static const char *addr2str(hwaddr addr) 210f1ae32a1SGerd Hoffmann { 21127a11324SPeter Crosthwaite return nr2str(ehci_mmio_names, ARRAY_SIZE(ehci_mmio_names), addr); 212f1ae32a1SGerd Hoffmann } 213f1ae32a1SGerd Hoffmann 214f1ae32a1SGerd Hoffmann static void ehci_trace_usbsts(uint32_t mask, int state) 215f1ae32a1SGerd Hoffmann { 216f1ae32a1SGerd Hoffmann /* interrupts */ 217f1ae32a1SGerd Hoffmann if (mask & USBSTS_INT) { 218f1ae32a1SGerd Hoffmann trace_usb_ehci_usbsts("INT", state); 219f1ae32a1SGerd Hoffmann } 220f1ae32a1SGerd Hoffmann if (mask & USBSTS_ERRINT) { 221f1ae32a1SGerd Hoffmann trace_usb_ehci_usbsts("ERRINT", state); 222f1ae32a1SGerd Hoffmann } 223f1ae32a1SGerd Hoffmann if (mask & USBSTS_PCD) { 224f1ae32a1SGerd Hoffmann trace_usb_ehci_usbsts("PCD", state); 225f1ae32a1SGerd Hoffmann } 226f1ae32a1SGerd Hoffmann if (mask & USBSTS_FLR) { 227f1ae32a1SGerd Hoffmann trace_usb_ehci_usbsts("FLR", state); 228f1ae32a1SGerd Hoffmann } 229f1ae32a1SGerd Hoffmann if (mask & USBSTS_HSE) { 230f1ae32a1SGerd Hoffmann trace_usb_ehci_usbsts("HSE", state); 231f1ae32a1SGerd Hoffmann } 232f1ae32a1SGerd Hoffmann if (mask & USBSTS_IAA) { 233f1ae32a1SGerd Hoffmann trace_usb_ehci_usbsts("IAA", state); 234f1ae32a1SGerd Hoffmann } 235f1ae32a1SGerd Hoffmann 236f1ae32a1SGerd Hoffmann /* status */ 237f1ae32a1SGerd Hoffmann if (mask & USBSTS_HALT) { 238f1ae32a1SGerd Hoffmann trace_usb_ehci_usbsts("HALT", state); 239f1ae32a1SGerd Hoffmann } 240f1ae32a1SGerd Hoffmann if (mask & USBSTS_REC) { 241f1ae32a1SGerd Hoffmann trace_usb_ehci_usbsts("REC", state); 242f1ae32a1SGerd Hoffmann } 243f1ae32a1SGerd Hoffmann if (mask & USBSTS_PSS) { 244f1ae32a1SGerd Hoffmann trace_usb_ehci_usbsts("PSS", state); 245f1ae32a1SGerd Hoffmann } 246f1ae32a1SGerd Hoffmann if (mask & USBSTS_ASS) { 247f1ae32a1SGerd Hoffmann trace_usb_ehci_usbsts("ASS", state); 248f1ae32a1SGerd Hoffmann } 249f1ae32a1SGerd Hoffmann } 250f1ae32a1SGerd Hoffmann 251f1ae32a1SGerd Hoffmann static inline void ehci_set_usbsts(EHCIState *s, int mask) 252f1ae32a1SGerd Hoffmann { 253f1ae32a1SGerd Hoffmann if ((s->usbsts & mask) == mask) { 254f1ae32a1SGerd Hoffmann return; 255f1ae32a1SGerd Hoffmann } 256f1ae32a1SGerd Hoffmann ehci_trace_usbsts(mask, 1); 257f1ae32a1SGerd Hoffmann s->usbsts |= mask; 258f1ae32a1SGerd Hoffmann } 259f1ae32a1SGerd Hoffmann 260f1ae32a1SGerd Hoffmann static inline void ehci_clear_usbsts(EHCIState *s, int mask) 261f1ae32a1SGerd Hoffmann { 262f1ae32a1SGerd Hoffmann if ((s->usbsts & mask) == 0) { 263f1ae32a1SGerd Hoffmann return; 264f1ae32a1SGerd Hoffmann } 265f1ae32a1SGerd Hoffmann ehci_trace_usbsts(mask, 0); 266f1ae32a1SGerd Hoffmann s->usbsts &= ~mask; 267f1ae32a1SGerd Hoffmann } 268f1ae32a1SGerd Hoffmann 2697efc17afSGerd Hoffmann /* update irq line */ 2707efc17afSGerd Hoffmann static inline void ehci_update_irq(EHCIState *s) 271f1ae32a1SGerd Hoffmann { 272f1ae32a1SGerd Hoffmann int level = 0; 273f1ae32a1SGerd Hoffmann 274f1ae32a1SGerd Hoffmann if ((s->usbsts & USBINTR_MASK) & s->usbintr) { 275f1ae32a1SGerd Hoffmann level = 1; 276f1ae32a1SGerd Hoffmann } 277f1ae32a1SGerd Hoffmann 2787efc17afSGerd Hoffmann trace_usb_ehci_irq(level, s->frindex, s->usbsts, s->usbintr); 279f1ae32a1SGerd Hoffmann qemu_set_irq(s->irq, level); 280f1ae32a1SGerd Hoffmann } 281f1ae32a1SGerd Hoffmann 2827efc17afSGerd Hoffmann /* flag interrupt condition */ 2837efc17afSGerd Hoffmann static inline void ehci_raise_irq(EHCIState *s, int intr) 284f1ae32a1SGerd Hoffmann { 2856d3b6d3dSGerd Hoffmann if (intr & (USBSTS_PCD | USBSTS_FLR | USBSTS_HSE)) { 2866d3b6d3dSGerd Hoffmann s->usbsts |= intr; 2876d3b6d3dSGerd Hoffmann ehci_update_irq(s); 2886d3b6d3dSGerd Hoffmann } else { 289f1ae32a1SGerd Hoffmann s->usbsts_pending |= intr; 290f1ae32a1SGerd Hoffmann } 2916d3b6d3dSGerd Hoffmann } 292f1ae32a1SGerd Hoffmann 2937efc17afSGerd Hoffmann /* 2947efc17afSGerd Hoffmann * Commit pending interrupts (added via ehci_raise_irq), 2957efc17afSGerd Hoffmann * at the rate allowed by "Interrupt Threshold Control". 2967efc17afSGerd Hoffmann */ 2977efc17afSGerd Hoffmann static inline void ehci_commit_irq(EHCIState *s) 298f1ae32a1SGerd Hoffmann { 2997efc17afSGerd Hoffmann uint32_t itc; 3007efc17afSGerd Hoffmann 301f1ae32a1SGerd Hoffmann if (!s->usbsts_pending) { 302f1ae32a1SGerd Hoffmann return; 303f1ae32a1SGerd Hoffmann } 3047efc17afSGerd Hoffmann if (s->usbsts_frindex > s->frindex) { 3057efc17afSGerd Hoffmann return; 3067efc17afSGerd Hoffmann } 3077efc17afSGerd Hoffmann 3087efc17afSGerd Hoffmann itc = (s->usbcmd >> 16) & 0xff; 3097efc17afSGerd Hoffmann s->usbsts |= s->usbsts_pending; 310f1ae32a1SGerd Hoffmann s->usbsts_pending = 0; 3117efc17afSGerd Hoffmann s->usbsts_frindex = s->frindex + itc; 3127efc17afSGerd Hoffmann ehci_update_irq(s); 313f1ae32a1SGerd Hoffmann } 314f1ae32a1SGerd Hoffmann 315daf25307SGerd Hoffmann static void ehci_update_halt(EHCIState *s) 316daf25307SGerd Hoffmann { 317daf25307SGerd Hoffmann if (s->usbcmd & USBCMD_RUNSTOP) { 318daf25307SGerd Hoffmann ehci_clear_usbsts(s, USBSTS_HALT); 319daf25307SGerd Hoffmann } else { 320daf25307SGerd Hoffmann if (s->astate == EST_INACTIVE && s->pstate == EST_INACTIVE) { 321daf25307SGerd Hoffmann ehci_set_usbsts(s, USBSTS_HALT); 322daf25307SGerd Hoffmann } 323daf25307SGerd Hoffmann } 324daf25307SGerd Hoffmann } 325daf25307SGerd Hoffmann 326f1ae32a1SGerd Hoffmann static void ehci_set_state(EHCIState *s, int async, int state) 327f1ae32a1SGerd Hoffmann { 328f1ae32a1SGerd Hoffmann if (async) { 329f1ae32a1SGerd Hoffmann trace_usb_ehci_state("async", state2str(state)); 330f1ae32a1SGerd Hoffmann s->astate = state; 331b53f685dSGerd Hoffmann if (s->astate == EST_INACTIVE) { 332b53f685dSGerd Hoffmann ehci_clear_usbsts(s, USBSTS_ASS); 333daf25307SGerd Hoffmann ehci_update_halt(s); 334b53f685dSGerd Hoffmann } else { 335b53f685dSGerd Hoffmann ehci_set_usbsts(s, USBSTS_ASS); 336b53f685dSGerd Hoffmann } 337f1ae32a1SGerd Hoffmann } else { 338f1ae32a1SGerd Hoffmann trace_usb_ehci_state("periodic", state2str(state)); 339f1ae32a1SGerd Hoffmann s->pstate = state; 340b53f685dSGerd Hoffmann if (s->pstate == EST_INACTIVE) { 341b53f685dSGerd Hoffmann ehci_clear_usbsts(s, USBSTS_PSS); 342daf25307SGerd Hoffmann ehci_update_halt(s); 343b53f685dSGerd Hoffmann } else { 344b53f685dSGerd Hoffmann ehci_set_usbsts(s, USBSTS_PSS); 345b53f685dSGerd Hoffmann } 346f1ae32a1SGerd Hoffmann } 347f1ae32a1SGerd Hoffmann } 348f1ae32a1SGerd Hoffmann 349f1ae32a1SGerd Hoffmann static int ehci_get_state(EHCIState *s, int async) 350f1ae32a1SGerd Hoffmann { 351f1ae32a1SGerd Hoffmann return async ? s->astate : s->pstate; 352f1ae32a1SGerd Hoffmann } 353f1ae32a1SGerd Hoffmann 354f1ae32a1SGerd Hoffmann static void ehci_set_fetch_addr(EHCIState *s, int async, uint32_t addr) 355f1ae32a1SGerd Hoffmann { 356f1ae32a1SGerd Hoffmann if (async) { 357f1ae32a1SGerd Hoffmann s->a_fetch_addr = addr; 358f1ae32a1SGerd Hoffmann } else { 359f1ae32a1SGerd Hoffmann s->p_fetch_addr = addr; 360f1ae32a1SGerd Hoffmann } 361f1ae32a1SGerd Hoffmann } 362f1ae32a1SGerd Hoffmann 363f1ae32a1SGerd Hoffmann static int ehci_get_fetch_addr(EHCIState *s, int async) 364f1ae32a1SGerd Hoffmann { 365f1ae32a1SGerd Hoffmann return async ? s->a_fetch_addr : s->p_fetch_addr; 366f1ae32a1SGerd Hoffmann } 367f1ae32a1SGerd Hoffmann 368a8170e5eSAvi Kivity static void ehci_trace_qh(EHCIQueue *q, hwaddr addr, EHCIqh *qh) 369f1ae32a1SGerd Hoffmann { 370f1ae32a1SGerd Hoffmann /* need three here due to argument count limits */ 371f1ae32a1SGerd Hoffmann trace_usb_ehci_qh_ptrs(q, addr, qh->next, 372f1ae32a1SGerd Hoffmann qh->current_qtd, qh->next_qtd, qh->altnext_qtd); 373f1ae32a1SGerd Hoffmann trace_usb_ehci_qh_fields(addr, 374f1ae32a1SGerd Hoffmann get_field(qh->epchar, QH_EPCHAR_RL), 375f1ae32a1SGerd Hoffmann get_field(qh->epchar, QH_EPCHAR_MPLEN), 376f1ae32a1SGerd Hoffmann get_field(qh->epchar, QH_EPCHAR_EPS), 377f1ae32a1SGerd Hoffmann get_field(qh->epchar, QH_EPCHAR_EP), 378f1ae32a1SGerd Hoffmann get_field(qh->epchar, QH_EPCHAR_DEVADDR)); 379f1ae32a1SGerd Hoffmann trace_usb_ehci_qh_bits(addr, 380f1ae32a1SGerd Hoffmann (bool)(qh->epchar & QH_EPCHAR_C), 381f1ae32a1SGerd Hoffmann (bool)(qh->epchar & QH_EPCHAR_H), 382f1ae32a1SGerd Hoffmann (bool)(qh->epchar & QH_EPCHAR_DTC), 383f1ae32a1SGerd Hoffmann (bool)(qh->epchar & QH_EPCHAR_I)); 384f1ae32a1SGerd Hoffmann } 385f1ae32a1SGerd Hoffmann 386a8170e5eSAvi Kivity static void ehci_trace_qtd(EHCIQueue *q, hwaddr addr, EHCIqtd *qtd) 387f1ae32a1SGerd Hoffmann { 388f1ae32a1SGerd Hoffmann /* need three here due to argument count limits */ 389f1ae32a1SGerd Hoffmann trace_usb_ehci_qtd_ptrs(q, addr, qtd->next, qtd->altnext); 390f1ae32a1SGerd Hoffmann trace_usb_ehci_qtd_fields(addr, 391f1ae32a1SGerd Hoffmann get_field(qtd->token, QTD_TOKEN_TBYTES), 392f1ae32a1SGerd Hoffmann get_field(qtd->token, QTD_TOKEN_CPAGE), 393f1ae32a1SGerd Hoffmann get_field(qtd->token, QTD_TOKEN_CERR), 394f1ae32a1SGerd Hoffmann get_field(qtd->token, QTD_TOKEN_PID)); 395f1ae32a1SGerd Hoffmann trace_usb_ehci_qtd_bits(addr, 396f1ae32a1SGerd Hoffmann (bool)(qtd->token & QTD_TOKEN_IOC), 397f1ae32a1SGerd Hoffmann (bool)(qtd->token & QTD_TOKEN_ACTIVE), 398f1ae32a1SGerd Hoffmann (bool)(qtd->token & QTD_TOKEN_HALT), 399f1ae32a1SGerd Hoffmann (bool)(qtd->token & QTD_TOKEN_BABBLE), 400f1ae32a1SGerd Hoffmann (bool)(qtd->token & QTD_TOKEN_XACTERR)); 401f1ae32a1SGerd Hoffmann } 402f1ae32a1SGerd Hoffmann 403a8170e5eSAvi Kivity static void ehci_trace_itd(EHCIState *s, hwaddr addr, EHCIitd *itd) 404f1ae32a1SGerd Hoffmann { 405f1ae32a1SGerd Hoffmann trace_usb_ehci_itd(addr, itd->next, 406f1ae32a1SGerd Hoffmann get_field(itd->bufptr[1], ITD_BUFPTR_MAXPKT), 407f1ae32a1SGerd Hoffmann get_field(itd->bufptr[2], ITD_BUFPTR_MULT), 408f1ae32a1SGerd Hoffmann get_field(itd->bufptr[0], ITD_BUFPTR_EP), 409f1ae32a1SGerd Hoffmann get_field(itd->bufptr[0], ITD_BUFPTR_DEVADDR)); 410f1ae32a1SGerd Hoffmann } 411f1ae32a1SGerd Hoffmann 412a8170e5eSAvi Kivity static void ehci_trace_sitd(EHCIState *s, hwaddr addr, 413f1ae32a1SGerd Hoffmann EHCIsitd *sitd) 414f1ae32a1SGerd Hoffmann { 415f1ae32a1SGerd Hoffmann trace_usb_ehci_sitd(addr, sitd->next, 416f1ae32a1SGerd Hoffmann (bool)(sitd->results & SITD_RESULTS_ACTIVE)); 417f1ae32a1SGerd Hoffmann } 418f1ae32a1SGerd Hoffmann 4195c514681SGerd Hoffmann static void ehci_trace_guest_bug(EHCIState *s, const char *message) 4205c514681SGerd Hoffmann { 4215c514681SGerd Hoffmann trace_usb_ehci_guest_bug(message); 4225c514681SGerd Hoffmann fprintf(stderr, "ehci warning: %s\n", message); 4235c514681SGerd Hoffmann } 4245c514681SGerd Hoffmann 425ec807d12SGerd Hoffmann static inline bool ehci_enabled(EHCIState *s) 426ec807d12SGerd Hoffmann { 427ec807d12SGerd Hoffmann return s->usbcmd & USBCMD_RUNSTOP; 428ec807d12SGerd Hoffmann } 429ec807d12SGerd Hoffmann 430ec807d12SGerd Hoffmann static inline bool ehci_async_enabled(EHCIState *s) 431ec807d12SGerd Hoffmann { 432ec807d12SGerd Hoffmann return ehci_enabled(s) && (s->usbcmd & USBCMD_ASE); 433ec807d12SGerd Hoffmann } 434ec807d12SGerd Hoffmann 435ec807d12SGerd Hoffmann static inline bool ehci_periodic_enabled(EHCIState *s) 436ec807d12SGerd Hoffmann { 437ec807d12SGerd Hoffmann return ehci_enabled(s) && (s->usbcmd & USBCMD_PSE); 438ec807d12SGerd Hoffmann } 439ec807d12SGerd Hoffmann 440eb36a88eSGerd Hoffmann /* packet management */ 441eb36a88eSGerd Hoffmann 442eb36a88eSGerd Hoffmann static EHCIPacket *ehci_alloc_packet(EHCIQueue *q) 443eb36a88eSGerd Hoffmann { 444eb36a88eSGerd Hoffmann EHCIPacket *p; 445eb36a88eSGerd Hoffmann 446eb36a88eSGerd Hoffmann p = g_new0(EHCIPacket, 1); 447eb36a88eSGerd Hoffmann p->queue = q; 448eb36a88eSGerd Hoffmann usb_packet_init(&p->packet); 449eb36a88eSGerd Hoffmann QTAILQ_INSERT_TAIL(&q->packets, p, next); 450eb36a88eSGerd Hoffmann trace_usb_ehci_packet_action(p->queue, p, "alloc"); 451eb36a88eSGerd Hoffmann return p; 452eb36a88eSGerd Hoffmann } 453eb36a88eSGerd Hoffmann 454eb36a88eSGerd Hoffmann static void ehci_free_packet(EHCIPacket *p) 455eb36a88eSGerd Hoffmann { 4564b63a0dfSHans de Goede if (p->async == EHCI_ASYNC_FINISHED) { 45730d68cf6SHans de Goede EHCIQueue *q = p->queue; 45830d68cf6SHans de Goede int state = ehci_get_state(q->ehci, q->async); 4594b63a0dfSHans de Goede /* This is a normal, but rare condition (cancel racing completion) */ 4604b63a0dfSHans de Goede fprintf(stderr, "EHCI: Warning packet completed but not processed\n"); 46130d68cf6SHans de Goede ehci_state_executing(q); 46230d68cf6SHans de Goede ehci_state_writeback(q); 463*ff80ce59SHans de Goede if (!(q->qh.token & QTD_TOKEN_HALT)) { 464*ff80ce59SHans de Goede ehci_state_advqueue(q); 465*ff80ce59SHans de Goede } 46630d68cf6SHans de Goede ehci_set_state(q->ehci, q->async, state); 4674b63a0dfSHans de Goede /* state_writeback recurses into us with async == EHCI_ASYNC_NONE!! */ 4684b63a0dfSHans de Goede return; 4694b63a0dfSHans de Goede } 470616789cdSGerd Hoffmann trace_usb_ehci_packet_action(p->queue, p, "free"); 471ef5b2344SHans de Goede if (p->async == EHCI_ASYNC_INITIALIZED) { 472ef5b2344SHans de Goede usb_packet_unmap(&p->packet, &p->sgl); 473ef5b2344SHans de Goede qemu_sglist_destroy(&p->sgl); 474ef5b2344SHans de Goede } 475616789cdSGerd Hoffmann if (p->async == EHCI_ASYNC_INFLIGHT) { 476616789cdSGerd Hoffmann usb_cancel_packet(&p->packet); 477616789cdSGerd Hoffmann usb_packet_unmap(&p->packet, &p->sgl); 478616789cdSGerd Hoffmann qemu_sglist_destroy(&p->sgl); 479616789cdSGerd Hoffmann } 480eb36a88eSGerd Hoffmann QTAILQ_REMOVE(&p->queue->packets, p, next); 481eb36a88eSGerd Hoffmann usb_packet_cleanup(&p->packet); 482eb36a88eSGerd Hoffmann g_free(p); 483eb36a88eSGerd Hoffmann } 484eb36a88eSGerd Hoffmann 485f1ae32a1SGerd Hoffmann /* queue management */ 486f1ae32a1SGerd Hoffmann 4878f6d5e26SGerd Hoffmann static EHCIQueue *ehci_alloc_queue(EHCIState *ehci, uint32_t addr, int async) 488f1ae32a1SGerd Hoffmann { 489f1ae32a1SGerd Hoffmann EHCIQueueHead *head = async ? &ehci->aqueues : &ehci->pqueues; 490f1ae32a1SGerd Hoffmann EHCIQueue *q; 491f1ae32a1SGerd Hoffmann 492f1ae32a1SGerd Hoffmann q = g_malloc0(sizeof(*q)); 493f1ae32a1SGerd Hoffmann q->ehci = ehci; 4948f6d5e26SGerd Hoffmann q->qhaddr = addr; 495ae0138a8SGerd Hoffmann q->async = async; 496eb36a88eSGerd Hoffmann QTAILQ_INIT(&q->packets); 497f1ae32a1SGerd Hoffmann QTAILQ_INSERT_HEAD(head, q, next); 498f1ae32a1SGerd Hoffmann trace_usb_ehci_queue_action(q, "alloc"); 499f1ae32a1SGerd Hoffmann return q; 500f1ae32a1SGerd Hoffmann } 501f1ae32a1SGerd Hoffmann 5025c514681SGerd Hoffmann static int ehci_cancel_queue(EHCIQueue *q) 503c7cdca3bSGerd Hoffmann { 504c7cdca3bSGerd Hoffmann EHCIPacket *p; 5055c514681SGerd Hoffmann int packets = 0; 506c7cdca3bSGerd Hoffmann 507c7cdca3bSGerd Hoffmann p = QTAILQ_FIRST(&q->packets); 508c7cdca3bSGerd Hoffmann if (p == NULL) { 5095c514681SGerd Hoffmann return 0; 510c7cdca3bSGerd Hoffmann } 511c7cdca3bSGerd Hoffmann 512c7cdca3bSGerd Hoffmann trace_usb_ehci_queue_action(q, "cancel"); 513c7cdca3bSGerd Hoffmann do { 514c7cdca3bSGerd Hoffmann ehci_free_packet(p); 5155c514681SGerd Hoffmann packets++; 516c7cdca3bSGerd Hoffmann } while ((p = QTAILQ_FIRST(&q->packets)) != NULL); 5175c514681SGerd Hoffmann return packets; 518c7cdca3bSGerd Hoffmann } 519c7cdca3bSGerd Hoffmann 5205c514681SGerd Hoffmann static int ehci_reset_queue(EHCIQueue *q) 521dafe31fcSHans de Goede { 5225c514681SGerd Hoffmann int packets; 5235c514681SGerd Hoffmann 524dafe31fcSHans de Goede trace_usb_ehci_queue_action(q, "reset"); 5255c514681SGerd Hoffmann packets = ehci_cancel_queue(q); 526dafe31fcSHans de Goede q->dev = NULL; 527dafe31fcSHans de Goede q->qtdaddr = 0; 5285c514681SGerd Hoffmann return packets; 529dafe31fcSHans de Goede } 530dafe31fcSHans de Goede 5313a8ca08eSHans de Goede static void ehci_free_queue(EHCIQueue *q, const char *warn) 532f1ae32a1SGerd Hoffmann { 533ae0138a8SGerd Hoffmann EHCIQueueHead *head = q->async ? &q->ehci->aqueues : &q->ehci->pqueues; 5343a8ca08eSHans de Goede int cancelled; 535eb36a88eSGerd Hoffmann 536f1ae32a1SGerd Hoffmann trace_usb_ehci_queue_action(q, "free"); 5373a8ca08eSHans de Goede cancelled = ehci_cancel_queue(q); 5383a8ca08eSHans de Goede if (warn && cancelled > 0) { 5393a8ca08eSHans de Goede ehci_trace_guest_bug(q->ehci, warn); 5403a8ca08eSHans de Goede } 541f1ae32a1SGerd Hoffmann QTAILQ_REMOVE(head, q, next); 542f1ae32a1SGerd Hoffmann g_free(q); 543f1ae32a1SGerd Hoffmann } 544f1ae32a1SGerd Hoffmann 545f1ae32a1SGerd Hoffmann static EHCIQueue *ehci_find_queue_by_qh(EHCIState *ehci, uint32_t addr, 546f1ae32a1SGerd Hoffmann int async) 547f1ae32a1SGerd Hoffmann { 548f1ae32a1SGerd Hoffmann EHCIQueueHead *head = async ? &ehci->aqueues : &ehci->pqueues; 549f1ae32a1SGerd Hoffmann EHCIQueue *q; 550f1ae32a1SGerd Hoffmann 551f1ae32a1SGerd Hoffmann QTAILQ_FOREACH(q, head, next) { 552f1ae32a1SGerd Hoffmann if (addr == q->qhaddr) { 553f1ae32a1SGerd Hoffmann return q; 554f1ae32a1SGerd Hoffmann } 555f1ae32a1SGerd Hoffmann } 556f1ae32a1SGerd Hoffmann return NULL; 557f1ae32a1SGerd Hoffmann } 558f1ae32a1SGerd Hoffmann 5598f5457ebSHans de Goede static void ehci_queues_rip_unused(EHCIState *ehci, int async) 560f1ae32a1SGerd Hoffmann { 561f1ae32a1SGerd Hoffmann EHCIQueueHead *head = async ? &ehci->aqueues : &ehci->pqueues; 5628f5457ebSHans de Goede const char *warn = async ? "guest unlinked busy QH" : NULL; 5633a215326SGerd Hoffmann uint64_t maxage = FRAME_TIMER_NS * ehci->maxframes * 4; 564f1ae32a1SGerd Hoffmann EHCIQueue *q, *tmp; 565f1ae32a1SGerd Hoffmann 566f1ae32a1SGerd Hoffmann QTAILQ_FOREACH_SAFE(q, head, next, tmp) { 567f1ae32a1SGerd Hoffmann if (q->seen) { 568f1ae32a1SGerd Hoffmann q->seen = 0; 569f1ae32a1SGerd Hoffmann q->ts = ehci->last_run_ns; 570f1ae32a1SGerd Hoffmann continue; 571f1ae32a1SGerd Hoffmann } 5728f5457ebSHans de Goede if (ehci->last_run_ns < q->ts + maxage) { 573f1ae32a1SGerd Hoffmann continue; 574f1ae32a1SGerd Hoffmann } 5753a8ca08eSHans de Goede ehci_free_queue(q, warn); 576f1ae32a1SGerd Hoffmann } 577f1ae32a1SGerd Hoffmann } 578f1ae32a1SGerd Hoffmann 5798f5457ebSHans de Goede static void ehci_queues_rip_unseen(EHCIState *ehci, int async) 5808f5457ebSHans de Goede { 5818f5457ebSHans de Goede EHCIQueueHead *head = async ? &ehci->aqueues : &ehci->pqueues; 5828f5457ebSHans de Goede EHCIQueue *q, *tmp; 5838f5457ebSHans de Goede 5848f5457ebSHans de Goede QTAILQ_FOREACH_SAFE(q, head, next, tmp) { 5858f5457ebSHans de Goede if (!q->seen) { 5868f5457ebSHans de Goede ehci_free_queue(q, NULL); 5878f5457ebSHans de Goede } 5888f5457ebSHans de Goede } 5898f5457ebSHans de Goede } 5908f5457ebSHans de Goede 591f1ae32a1SGerd Hoffmann static void ehci_queues_rip_device(EHCIState *ehci, USBDevice *dev, int async) 592f1ae32a1SGerd Hoffmann { 593f1ae32a1SGerd Hoffmann EHCIQueueHead *head = async ? &ehci->aqueues : &ehci->pqueues; 594f1ae32a1SGerd Hoffmann EHCIQueue *q, *tmp; 595f1ae32a1SGerd Hoffmann 596f1ae32a1SGerd Hoffmann QTAILQ_FOREACH_SAFE(q, head, next, tmp) { 597e59928b3SGerd Hoffmann if (q->dev != dev) { 598f1ae32a1SGerd Hoffmann continue; 599f1ae32a1SGerd Hoffmann } 6003a8ca08eSHans de Goede ehci_free_queue(q, NULL); 601f1ae32a1SGerd Hoffmann } 602f1ae32a1SGerd Hoffmann } 603f1ae32a1SGerd Hoffmann 604f1ae32a1SGerd Hoffmann static void ehci_queues_rip_all(EHCIState *ehci, int async) 605f1ae32a1SGerd Hoffmann { 606f1ae32a1SGerd Hoffmann EHCIQueueHead *head = async ? &ehci->aqueues : &ehci->pqueues; 6073a8ca08eSHans de Goede const char *warn = async ? "guest stopped busy async schedule" : NULL; 608f1ae32a1SGerd Hoffmann EHCIQueue *q, *tmp; 609f1ae32a1SGerd Hoffmann 610f1ae32a1SGerd Hoffmann QTAILQ_FOREACH_SAFE(q, head, next, tmp) { 6113a8ca08eSHans de Goede ehci_free_queue(q, warn); 612f1ae32a1SGerd Hoffmann } 613f1ae32a1SGerd Hoffmann } 614f1ae32a1SGerd Hoffmann 615f1ae32a1SGerd Hoffmann /* Attach or detach a device on root hub */ 616f1ae32a1SGerd Hoffmann 617f1ae32a1SGerd Hoffmann static void ehci_attach(USBPort *port) 618f1ae32a1SGerd Hoffmann { 619f1ae32a1SGerd Hoffmann EHCIState *s = port->opaque; 620f1ae32a1SGerd Hoffmann uint32_t *portsc = &s->portsc[port->index]; 62130e9d412SGerd Hoffmann const char *owner = (*portsc & PORTSC_POWNER) ? "comp" : "ehci"; 622f1ae32a1SGerd Hoffmann 62330e9d412SGerd Hoffmann trace_usb_ehci_port_attach(port->index, owner, port->dev->product_desc); 624f1ae32a1SGerd Hoffmann 625f1ae32a1SGerd Hoffmann if (*portsc & PORTSC_POWNER) { 626f1ae32a1SGerd Hoffmann USBPort *companion = s->companion_ports[port->index]; 627f1ae32a1SGerd Hoffmann companion->dev = port->dev; 628f1ae32a1SGerd Hoffmann companion->ops->attach(companion); 629f1ae32a1SGerd Hoffmann return; 630f1ae32a1SGerd Hoffmann } 631f1ae32a1SGerd Hoffmann 632f1ae32a1SGerd Hoffmann *portsc |= PORTSC_CONNECT; 633f1ae32a1SGerd Hoffmann *portsc |= PORTSC_CSC; 634f1ae32a1SGerd Hoffmann 6357efc17afSGerd Hoffmann ehci_raise_irq(s, USBSTS_PCD); 6367efc17afSGerd Hoffmann ehci_commit_irq(s); 637f1ae32a1SGerd Hoffmann } 638f1ae32a1SGerd Hoffmann 639f1ae32a1SGerd Hoffmann static void ehci_detach(USBPort *port) 640f1ae32a1SGerd Hoffmann { 641f1ae32a1SGerd Hoffmann EHCIState *s = port->opaque; 642f1ae32a1SGerd Hoffmann uint32_t *portsc = &s->portsc[port->index]; 64330e9d412SGerd Hoffmann const char *owner = (*portsc & PORTSC_POWNER) ? "comp" : "ehci"; 644f1ae32a1SGerd Hoffmann 64530e9d412SGerd Hoffmann trace_usb_ehci_port_detach(port->index, owner); 646f1ae32a1SGerd Hoffmann 647f1ae32a1SGerd Hoffmann if (*portsc & PORTSC_POWNER) { 648f1ae32a1SGerd Hoffmann USBPort *companion = s->companion_ports[port->index]; 649f1ae32a1SGerd Hoffmann companion->ops->detach(companion); 650f1ae32a1SGerd Hoffmann companion->dev = NULL; 651f1ae32a1SGerd Hoffmann /* 652f1ae32a1SGerd Hoffmann * EHCI spec 4.2.2: "When a disconnect occurs... On the event, 653f1ae32a1SGerd Hoffmann * the port ownership is returned immediately to the EHCI controller." 654f1ae32a1SGerd Hoffmann */ 655f1ae32a1SGerd Hoffmann *portsc &= ~PORTSC_POWNER; 656f1ae32a1SGerd Hoffmann return; 657f1ae32a1SGerd Hoffmann } 658f1ae32a1SGerd Hoffmann 659f1ae32a1SGerd Hoffmann ehci_queues_rip_device(s, port->dev, 0); 660f1ae32a1SGerd Hoffmann ehci_queues_rip_device(s, port->dev, 1); 661f1ae32a1SGerd Hoffmann 662f1ae32a1SGerd Hoffmann *portsc &= ~(PORTSC_CONNECT|PORTSC_PED); 663f1ae32a1SGerd Hoffmann *portsc |= PORTSC_CSC; 664f1ae32a1SGerd Hoffmann 6657efc17afSGerd Hoffmann ehci_raise_irq(s, USBSTS_PCD); 6667efc17afSGerd Hoffmann ehci_commit_irq(s); 667f1ae32a1SGerd Hoffmann } 668f1ae32a1SGerd Hoffmann 669f1ae32a1SGerd Hoffmann static void ehci_child_detach(USBPort *port, USBDevice *child) 670f1ae32a1SGerd Hoffmann { 671f1ae32a1SGerd Hoffmann EHCIState *s = port->opaque; 672f1ae32a1SGerd Hoffmann uint32_t portsc = s->portsc[port->index]; 673f1ae32a1SGerd Hoffmann 674f1ae32a1SGerd Hoffmann if (portsc & PORTSC_POWNER) { 675f1ae32a1SGerd Hoffmann USBPort *companion = s->companion_ports[port->index]; 676f1ae32a1SGerd Hoffmann companion->ops->child_detach(companion, child); 677f1ae32a1SGerd Hoffmann return; 678f1ae32a1SGerd Hoffmann } 679f1ae32a1SGerd Hoffmann 680f1ae32a1SGerd Hoffmann ehci_queues_rip_device(s, child, 0); 681f1ae32a1SGerd Hoffmann ehci_queues_rip_device(s, child, 1); 682f1ae32a1SGerd Hoffmann } 683f1ae32a1SGerd Hoffmann 684f1ae32a1SGerd Hoffmann static void ehci_wakeup(USBPort *port) 685f1ae32a1SGerd Hoffmann { 686f1ae32a1SGerd Hoffmann EHCIState *s = port->opaque; 687f1ae32a1SGerd Hoffmann uint32_t portsc = s->portsc[port->index]; 688f1ae32a1SGerd Hoffmann 689f1ae32a1SGerd Hoffmann if (portsc & PORTSC_POWNER) { 690f1ae32a1SGerd Hoffmann USBPort *companion = s->companion_ports[port->index]; 691f1ae32a1SGerd Hoffmann if (companion->ops->wakeup) { 692f1ae32a1SGerd Hoffmann companion->ops->wakeup(companion); 69337952117SHans de Goede } 69437952117SHans de Goede return; 69537952117SHans de Goede } 69637952117SHans de Goede 6970f588df8SGerd Hoffmann qemu_bh_schedule(s->async_bh); 698f1ae32a1SGerd Hoffmann } 699f1ae32a1SGerd Hoffmann 700f1ae32a1SGerd Hoffmann static int ehci_register_companion(USBBus *bus, USBPort *ports[], 701f1ae32a1SGerd Hoffmann uint32_t portcount, uint32_t firstport) 702f1ae32a1SGerd Hoffmann { 703f1ae32a1SGerd Hoffmann EHCIState *s = container_of(bus, EHCIState, bus); 704f1ae32a1SGerd Hoffmann uint32_t i; 705f1ae32a1SGerd Hoffmann 706f1ae32a1SGerd Hoffmann if (firstport + portcount > NB_PORTS) { 707f1ae32a1SGerd Hoffmann qerror_report(QERR_INVALID_PARAMETER_VALUE, "firstport", 708f1ae32a1SGerd Hoffmann "firstport on masterbus"); 709f1ae32a1SGerd Hoffmann error_printf_unless_qmp( 710f1ae32a1SGerd Hoffmann "firstport value of %u makes companion take ports %u - %u, which " 711f1ae32a1SGerd Hoffmann "is outside of the valid range of 0 - %u\n", firstport, firstport, 712f1ae32a1SGerd Hoffmann firstport + portcount - 1, NB_PORTS - 1); 713f1ae32a1SGerd Hoffmann return -1; 714f1ae32a1SGerd Hoffmann } 715f1ae32a1SGerd Hoffmann 716f1ae32a1SGerd Hoffmann for (i = 0; i < portcount; i++) { 717f1ae32a1SGerd Hoffmann if (s->companion_ports[firstport + i]) { 718f1ae32a1SGerd Hoffmann qerror_report(QERR_INVALID_PARAMETER_VALUE, "masterbus", 719f1ae32a1SGerd Hoffmann "an USB masterbus"); 720f1ae32a1SGerd Hoffmann error_printf_unless_qmp( 721f1ae32a1SGerd Hoffmann "port %u on masterbus %s already has a companion assigned\n", 722f1ae32a1SGerd Hoffmann firstport + i, bus->qbus.name); 723f1ae32a1SGerd Hoffmann return -1; 724f1ae32a1SGerd Hoffmann } 725f1ae32a1SGerd Hoffmann } 726f1ae32a1SGerd Hoffmann 727f1ae32a1SGerd Hoffmann for (i = 0; i < portcount; i++) { 728f1ae32a1SGerd Hoffmann s->companion_ports[firstport + i] = ports[i]; 729f1ae32a1SGerd Hoffmann s->ports[firstport + i].speedmask |= 730f1ae32a1SGerd Hoffmann USB_SPEED_MASK_LOW | USB_SPEED_MASK_FULL; 731f1ae32a1SGerd Hoffmann /* Ensure devs attached before the initial reset go to the companion */ 732f1ae32a1SGerd Hoffmann s->portsc[firstport + i] = PORTSC_POWNER; 733f1ae32a1SGerd Hoffmann } 734f1ae32a1SGerd Hoffmann 735f1ae32a1SGerd Hoffmann s->companion_count++; 7363e4f910cSGerd Hoffmann s->caps[0x05] = (s->companion_count << 4) | portcount; 737f1ae32a1SGerd Hoffmann 738f1ae32a1SGerd Hoffmann return 0; 739f1ae32a1SGerd Hoffmann } 740f1ae32a1SGerd Hoffmann 741f1ae32a1SGerd Hoffmann static USBDevice *ehci_find_device(EHCIState *ehci, uint8_t addr) 742f1ae32a1SGerd Hoffmann { 743f1ae32a1SGerd Hoffmann USBDevice *dev; 744f1ae32a1SGerd Hoffmann USBPort *port; 745f1ae32a1SGerd Hoffmann int i; 746f1ae32a1SGerd Hoffmann 747f1ae32a1SGerd Hoffmann for (i = 0; i < NB_PORTS; i++) { 748f1ae32a1SGerd Hoffmann port = &ehci->ports[i]; 749f1ae32a1SGerd Hoffmann if (!(ehci->portsc[i] & PORTSC_PED)) { 750f1ae32a1SGerd Hoffmann DPRINTF("Port %d not enabled\n", i); 751f1ae32a1SGerd Hoffmann continue; 752f1ae32a1SGerd Hoffmann } 753f1ae32a1SGerd Hoffmann dev = usb_find_device(port, addr); 754f1ae32a1SGerd Hoffmann if (dev != NULL) { 755f1ae32a1SGerd Hoffmann return dev; 756f1ae32a1SGerd Hoffmann } 757f1ae32a1SGerd Hoffmann } 758f1ae32a1SGerd Hoffmann return NULL; 759f1ae32a1SGerd Hoffmann } 760f1ae32a1SGerd Hoffmann 761f1ae32a1SGerd Hoffmann /* 4.1 host controller initialization */ 762f1ae32a1SGerd Hoffmann static void ehci_reset(void *opaque) 763f1ae32a1SGerd Hoffmann { 764f1ae32a1SGerd Hoffmann EHCIState *s = opaque; 765f1ae32a1SGerd Hoffmann int i; 766f1ae32a1SGerd Hoffmann USBDevice *devs[NB_PORTS]; 767f1ae32a1SGerd Hoffmann 768f1ae32a1SGerd Hoffmann trace_usb_ehci_reset(); 769f1ae32a1SGerd Hoffmann 770f1ae32a1SGerd Hoffmann /* 771f1ae32a1SGerd Hoffmann * Do the detach before touching portsc, so that it correctly gets send to 772f1ae32a1SGerd Hoffmann * us or to our companion based on PORTSC_POWNER before the reset. 773f1ae32a1SGerd Hoffmann */ 774f1ae32a1SGerd Hoffmann for(i = 0; i < NB_PORTS; i++) { 775f1ae32a1SGerd Hoffmann devs[i] = s->ports[i].dev; 776f1ae32a1SGerd Hoffmann if (devs[i] && devs[i]->attached) { 777f1ae32a1SGerd Hoffmann usb_detach(&s->ports[i]); 778f1ae32a1SGerd Hoffmann } 779f1ae32a1SGerd Hoffmann } 780f1ae32a1SGerd Hoffmann 7813e4f910cSGerd Hoffmann memset(&s->opreg, 0x00, sizeof(s->opreg)); 7823e4f910cSGerd Hoffmann memset(&s->portsc, 0x00, sizeof(s->portsc)); 783f1ae32a1SGerd Hoffmann 784f1ae32a1SGerd Hoffmann s->usbcmd = NB_MAXINTRATE << USBCMD_ITC_SH; 785f1ae32a1SGerd Hoffmann s->usbsts = USBSTS_HALT; 7867efc17afSGerd Hoffmann s->usbsts_pending = 0; 7877efc17afSGerd Hoffmann s->usbsts_frindex = 0; 788f1ae32a1SGerd Hoffmann 789f1ae32a1SGerd Hoffmann s->astate = EST_INACTIVE; 790f1ae32a1SGerd Hoffmann s->pstate = EST_INACTIVE; 791f1ae32a1SGerd Hoffmann 792f1ae32a1SGerd Hoffmann for(i = 0; i < NB_PORTS; i++) { 793f1ae32a1SGerd Hoffmann if (s->companion_ports[i]) { 794f1ae32a1SGerd Hoffmann s->portsc[i] = PORTSC_POWNER | PORTSC_PPOWER; 795f1ae32a1SGerd Hoffmann } else { 796f1ae32a1SGerd Hoffmann s->portsc[i] = PORTSC_PPOWER; 797f1ae32a1SGerd Hoffmann } 798f1ae32a1SGerd Hoffmann if (devs[i] && devs[i]->attached) { 799f1ae32a1SGerd Hoffmann usb_attach(&s->ports[i]); 800f1ae32a1SGerd Hoffmann usb_device_reset(devs[i]); 801f1ae32a1SGerd Hoffmann } 802f1ae32a1SGerd Hoffmann } 803f1ae32a1SGerd Hoffmann ehci_queues_rip_all(s, 0); 804f1ae32a1SGerd Hoffmann ehci_queues_rip_all(s, 1); 805f1ae32a1SGerd Hoffmann qemu_del_timer(s->frame_timer); 8060fb3e299SGerd Hoffmann qemu_bh_cancel(s->async_bh); 807f1ae32a1SGerd Hoffmann } 808f1ae32a1SGerd Hoffmann 809a8170e5eSAvi Kivity static uint64_t ehci_caps_read(void *ptr, hwaddr addr, 8103e4f910cSGerd Hoffmann unsigned size) 8113e4f910cSGerd Hoffmann { 8123e4f910cSGerd Hoffmann EHCIState *s = ptr; 8133e4f910cSGerd Hoffmann return s->caps[addr]; 8143e4f910cSGerd Hoffmann } 8153e4f910cSGerd Hoffmann 816a8170e5eSAvi Kivity static uint64_t ehci_opreg_read(void *ptr, hwaddr addr, 8173e4f910cSGerd Hoffmann unsigned size) 818f1ae32a1SGerd Hoffmann { 819f1ae32a1SGerd Hoffmann EHCIState *s = ptr; 820f1ae32a1SGerd Hoffmann uint32_t val; 821f1ae32a1SGerd Hoffmann 8223e4f910cSGerd Hoffmann val = s->opreg[addr >> 2]; 82327a11324SPeter Crosthwaite trace_usb_ehci_opreg_read(addr + s->opregbase, addr2str(addr), val); 824f1ae32a1SGerd Hoffmann return val; 825f1ae32a1SGerd Hoffmann } 826f1ae32a1SGerd Hoffmann 827a8170e5eSAvi Kivity static uint64_t ehci_port_read(void *ptr, hwaddr addr, 8283e4f910cSGerd Hoffmann unsigned size) 829f1ae32a1SGerd Hoffmann { 830f1ae32a1SGerd Hoffmann EHCIState *s = ptr; 831f1ae32a1SGerd Hoffmann uint32_t val; 832f1ae32a1SGerd Hoffmann 8333e4f910cSGerd Hoffmann val = s->portsc[addr >> 2]; 8343e4f910cSGerd Hoffmann trace_usb_ehci_portsc_read(addr + PORTSC_BEGIN, addr >> 2, val); 835f1ae32a1SGerd Hoffmann return val; 836f1ae32a1SGerd Hoffmann } 837f1ae32a1SGerd Hoffmann 838f1ae32a1SGerd Hoffmann static void handle_port_owner_write(EHCIState *s, int port, uint32_t owner) 839f1ae32a1SGerd Hoffmann { 840f1ae32a1SGerd Hoffmann USBDevice *dev = s->ports[port].dev; 841f1ae32a1SGerd Hoffmann uint32_t *portsc = &s->portsc[port]; 842f1ae32a1SGerd Hoffmann uint32_t orig; 843f1ae32a1SGerd Hoffmann 844f1ae32a1SGerd Hoffmann if (s->companion_ports[port] == NULL) 845f1ae32a1SGerd Hoffmann return; 846f1ae32a1SGerd Hoffmann 847f1ae32a1SGerd Hoffmann owner = owner & PORTSC_POWNER; 848f1ae32a1SGerd Hoffmann orig = *portsc & PORTSC_POWNER; 849f1ae32a1SGerd Hoffmann 850f1ae32a1SGerd Hoffmann if (!(owner ^ orig)) { 851f1ae32a1SGerd Hoffmann return; 852f1ae32a1SGerd Hoffmann } 853f1ae32a1SGerd Hoffmann 854f1ae32a1SGerd Hoffmann if (dev && dev->attached) { 855f1ae32a1SGerd Hoffmann usb_detach(&s->ports[port]); 856f1ae32a1SGerd Hoffmann } 857f1ae32a1SGerd Hoffmann 858f1ae32a1SGerd Hoffmann *portsc &= ~PORTSC_POWNER; 859f1ae32a1SGerd Hoffmann *portsc |= owner; 860f1ae32a1SGerd Hoffmann 861f1ae32a1SGerd Hoffmann if (dev && dev->attached) { 862f1ae32a1SGerd Hoffmann usb_attach(&s->ports[port]); 863f1ae32a1SGerd Hoffmann } 864f1ae32a1SGerd Hoffmann } 865f1ae32a1SGerd Hoffmann 866a8170e5eSAvi Kivity static void ehci_port_write(void *ptr, hwaddr addr, 8673e4f910cSGerd Hoffmann uint64_t val, unsigned size) 868f1ae32a1SGerd Hoffmann { 8693e4f910cSGerd Hoffmann EHCIState *s = ptr; 8703e4f910cSGerd Hoffmann int port = addr >> 2; 871f1ae32a1SGerd Hoffmann uint32_t *portsc = &s->portsc[port]; 8723e4f910cSGerd Hoffmann uint32_t old = *portsc; 873f1ae32a1SGerd Hoffmann USBDevice *dev = s->ports[port].dev; 874f1ae32a1SGerd Hoffmann 8753e4f910cSGerd Hoffmann trace_usb_ehci_portsc_write(addr + PORTSC_BEGIN, addr >> 2, val); 8763e4f910cSGerd Hoffmann 877f1ae32a1SGerd Hoffmann /* Clear rwc bits */ 878f1ae32a1SGerd Hoffmann *portsc &= ~(val & PORTSC_RWC_MASK); 879f1ae32a1SGerd Hoffmann /* The guest may clear, but not set the PED bit */ 880f1ae32a1SGerd Hoffmann *portsc &= val | ~PORTSC_PED; 881f1ae32a1SGerd Hoffmann /* POWNER is masked out by RO_MASK as it is RO when we've no companion */ 882f1ae32a1SGerd Hoffmann handle_port_owner_write(s, port, val); 883f1ae32a1SGerd Hoffmann /* And finally apply RO_MASK */ 884f1ae32a1SGerd Hoffmann val &= PORTSC_RO_MASK; 885f1ae32a1SGerd Hoffmann 886f1ae32a1SGerd Hoffmann if ((val & PORTSC_PRESET) && !(*portsc & PORTSC_PRESET)) { 887f1ae32a1SGerd Hoffmann trace_usb_ehci_port_reset(port, 1); 888f1ae32a1SGerd Hoffmann } 889f1ae32a1SGerd Hoffmann 890f1ae32a1SGerd Hoffmann if (!(val & PORTSC_PRESET) &&(*portsc & PORTSC_PRESET)) { 891f1ae32a1SGerd Hoffmann trace_usb_ehci_port_reset(port, 0); 892f1ae32a1SGerd Hoffmann if (dev && dev->attached) { 893f1ae32a1SGerd Hoffmann usb_port_reset(&s->ports[port]); 894f1ae32a1SGerd Hoffmann *portsc &= ~PORTSC_CSC; 895f1ae32a1SGerd Hoffmann } 896f1ae32a1SGerd Hoffmann 897f1ae32a1SGerd Hoffmann /* 898f1ae32a1SGerd Hoffmann * Table 2.16 Set the enable bit(and enable bit change) to indicate 899f1ae32a1SGerd Hoffmann * to SW that this port has a high speed device attached 900f1ae32a1SGerd Hoffmann */ 901f1ae32a1SGerd Hoffmann if (dev && dev->attached && (dev->speedmask & USB_SPEED_MASK_HIGH)) { 902f1ae32a1SGerd Hoffmann val |= PORTSC_PED; 903f1ae32a1SGerd Hoffmann } 904f1ae32a1SGerd Hoffmann } 905f1ae32a1SGerd Hoffmann 906f1ae32a1SGerd Hoffmann *portsc &= ~PORTSC_RO_MASK; 907f1ae32a1SGerd Hoffmann *portsc |= val; 9083e4f910cSGerd Hoffmann trace_usb_ehci_portsc_change(addr + PORTSC_BEGIN, addr >> 2, *portsc, old); 909f1ae32a1SGerd Hoffmann } 910f1ae32a1SGerd Hoffmann 911a8170e5eSAvi Kivity static void ehci_opreg_write(void *ptr, hwaddr addr, 9123e4f910cSGerd Hoffmann uint64_t val, unsigned size) 913f1ae32a1SGerd Hoffmann { 914f1ae32a1SGerd Hoffmann EHCIState *s = ptr; 9153e4f910cSGerd Hoffmann uint32_t *mmio = s->opreg + (addr >> 2); 916f1ae32a1SGerd Hoffmann uint32_t old = *mmio; 917f1ae32a1SGerd Hoffmann int i; 918f1ae32a1SGerd Hoffmann 91927a11324SPeter Crosthwaite trace_usb_ehci_opreg_write(addr + s->opregbase, addr2str(addr), val); 920f1ae32a1SGerd Hoffmann 92127a11324SPeter Crosthwaite switch (addr) { 922f1ae32a1SGerd Hoffmann case USBCMD: 9237046530cSGerd Hoffmann if (val & USBCMD_HCRESET) { 9247046530cSGerd Hoffmann ehci_reset(s); 9257046530cSGerd Hoffmann val = s->usbcmd; 9267046530cSGerd Hoffmann break; 9277046530cSGerd Hoffmann } 9287046530cSGerd Hoffmann 929f1ae32a1SGerd Hoffmann /* not supporting dynamic frame list size at the moment */ 930f1ae32a1SGerd Hoffmann if ((val & USBCMD_FLS) && !(s->usbcmd & USBCMD_FLS)) { 931f1ae32a1SGerd Hoffmann fprintf(stderr, "attempt to set frame list size -- value %d\n", 9323e4f910cSGerd Hoffmann (int)val & USBCMD_FLS); 933f1ae32a1SGerd Hoffmann val &= ~USBCMD_FLS; 934f1ae32a1SGerd Hoffmann } 93547d073ccSHans de Goede 936a1c3e4b8SHans de Goede if (val & USBCMD_IAAD) { 937a1c3e4b8SHans de Goede /* 938a1c3e4b8SHans de Goede * Process IAAD immediately, otherwise the Linux IAAD watchdog may 939a1c3e4b8SHans de Goede * trigger and re-use a qh without us seeing the unlink. 940a1c3e4b8SHans de Goede */ 941a1c3e4b8SHans de Goede s->async_stepdown = 0; 942a1c3e4b8SHans de Goede qemu_bh_schedule(s->async_bh); 9431defcbd1SGerd Hoffmann trace_usb_ehci_doorbell_ring(); 944a1c3e4b8SHans de Goede } 945a1c3e4b8SHans de Goede 94647d073ccSHans de Goede if (((USBCMD_RUNSTOP | USBCMD_PSE | USBCMD_ASE) & val) != 94747d073ccSHans de Goede ((USBCMD_RUNSTOP | USBCMD_PSE | USBCMD_ASE) & s->usbcmd)) { 94847d073ccSHans de Goede if (s->pstate == EST_INACTIVE) { 94947d073ccSHans de Goede SET_LAST_RUN_CLOCK(s); 95047d073ccSHans de Goede } 95147d073ccSHans de Goede s->usbcmd = val; /* Set usbcmd for ehci_update_halt() */ 95247d073ccSHans de Goede ehci_update_halt(s); 95347d073ccSHans de Goede s->async_stepdown = 0; 9540262f65aSHans de Goede qemu_bh_schedule(s->async_bh); 95547d073ccSHans de Goede } 956f1ae32a1SGerd Hoffmann break; 957f1ae32a1SGerd Hoffmann 958f1ae32a1SGerd Hoffmann case USBSTS: 959a31f0531SJim Meyering val &= USBSTS_RO_MASK; // bits 6 through 31 are RO 960a31f0531SJim Meyering ehci_clear_usbsts(s, val); // bits 0 through 5 are R/WC 961f1ae32a1SGerd Hoffmann val = s->usbsts; 9627efc17afSGerd Hoffmann ehci_update_irq(s); 963f1ae32a1SGerd Hoffmann break; 964f1ae32a1SGerd Hoffmann 965f1ae32a1SGerd Hoffmann case USBINTR: 966f1ae32a1SGerd Hoffmann val &= USBINTR_MASK; 967f1ae32a1SGerd Hoffmann break; 968f1ae32a1SGerd Hoffmann 9698a771f77SHans de Goede case FRINDEX: 9708a771f77SHans de Goede val &= 0x00003ff8; /* frindex is 14bits and always a multiple of 8 */ 9718a771f77SHans de Goede break; 9728a771f77SHans de Goede 973f1ae32a1SGerd Hoffmann case CONFIGFLAG: 974f1ae32a1SGerd Hoffmann val &= 0x1; 975f1ae32a1SGerd Hoffmann if (val) { 976f1ae32a1SGerd Hoffmann for(i = 0; i < NB_PORTS; i++) 977f1ae32a1SGerd Hoffmann handle_port_owner_write(s, i, 0); 978f1ae32a1SGerd Hoffmann } 979f1ae32a1SGerd Hoffmann break; 980f1ae32a1SGerd Hoffmann 981f1ae32a1SGerd Hoffmann case PERIODICLISTBASE: 982ec807d12SGerd Hoffmann if (ehci_periodic_enabled(s)) { 983f1ae32a1SGerd Hoffmann fprintf(stderr, 984f1ae32a1SGerd Hoffmann "ehci: PERIODIC list base register set while periodic schedule\n" 985f1ae32a1SGerd Hoffmann " is enabled and HC is enabled\n"); 986f1ae32a1SGerd Hoffmann } 987f1ae32a1SGerd Hoffmann break; 988f1ae32a1SGerd Hoffmann 989f1ae32a1SGerd Hoffmann case ASYNCLISTADDR: 990ec807d12SGerd Hoffmann if (ehci_async_enabled(s)) { 991f1ae32a1SGerd Hoffmann fprintf(stderr, 992f1ae32a1SGerd Hoffmann "ehci: ASYNC list address register set while async schedule\n" 993f1ae32a1SGerd Hoffmann " is enabled and HC is enabled\n"); 994f1ae32a1SGerd Hoffmann } 995f1ae32a1SGerd Hoffmann break; 996f1ae32a1SGerd Hoffmann } 997f1ae32a1SGerd Hoffmann 998f1ae32a1SGerd Hoffmann *mmio = val; 99927a11324SPeter Crosthwaite trace_usb_ehci_opreg_change(addr + s->opregbase, addr2str(addr), 100027a11324SPeter Crosthwaite *mmio, old); 1001f1ae32a1SGerd Hoffmann } 1002f1ae32a1SGerd Hoffmann 1003f1ae32a1SGerd Hoffmann 1004f1ae32a1SGerd Hoffmann // TODO : Put in common header file, duplication from usb-ohci.c 1005f1ae32a1SGerd Hoffmann 1006f1ae32a1SGerd Hoffmann /* Get an array of dwords from main memory */ 1007f1ae32a1SGerd Hoffmann static inline int get_dwords(EHCIState *ehci, uint32_t addr, 1008f1ae32a1SGerd Hoffmann uint32_t *buf, int num) 1009f1ae32a1SGerd Hoffmann { 1010f1ae32a1SGerd Hoffmann int i; 1011f1ae32a1SGerd Hoffmann 1012f1ae32a1SGerd Hoffmann for(i = 0; i < num; i++, buf++, addr += sizeof(*buf)) { 10137ae6ce02SPeter Crosthwaite dma_memory_read(ehci->dma, addr, buf, sizeof(*buf)); 1014f1ae32a1SGerd Hoffmann *buf = le32_to_cpu(*buf); 1015f1ae32a1SGerd Hoffmann } 1016f1ae32a1SGerd Hoffmann 1017f1ae32a1SGerd Hoffmann return 1; 1018f1ae32a1SGerd Hoffmann } 1019f1ae32a1SGerd Hoffmann 1020f1ae32a1SGerd Hoffmann /* Put an array of dwords in to main memory */ 1021f1ae32a1SGerd Hoffmann static inline int put_dwords(EHCIState *ehci, uint32_t addr, 1022f1ae32a1SGerd Hoffmann uint32_t *buf, int num) 1023f1ae32a1SGerd Hoffmann { 1024f1ae32a1SGerd Hoffmann int i; 1025f1ae32a1SGerd Hoffmann 1026f1ae32a1SGerd Hoffmann for(i = 0; i < num; i++, buf++, addr += sizeof(*buf)) { 1027f1ae32a1SGerd Hoffmann uint32_t tmp = cpu_to_le32(*buf); 10287ae6ce02SPeter Crosthwaite dma_memory_write(ehci->dma, addr, &tmp, sizeof(tmp)); 1029f1ae32a1SGerd Hoffmann } 1030f1ae32a1SGerd Hoffmann 1031f1ae32a1SGerd Hoffmann return 1; 1032f1ae32a1SGerd Hoffmann } 1033f1ae32a1SGerd Hoffmann 1034a5e0139aSGerd Hoffmann /* 1035a5e0139aSGerd Hoffmann * Write the qh back to guest physical memory. This step isn't 1036a5e0139aSGerd Hoffmann * in the EHCI spec but we need to do it since we don't share 1037a5e0139aSGerd Hoffmann * physical memory with our guest VM. 1038a5e0139aSGerd Hoffmann * 1039a5e0139aSGerd Hoffmann * The first three dwords are read-only for the EHCI, so skip them 1040a5e0139aSGerd Hoffmann * when writing back the qh. 1041a5e0139aSGerd Hoffmann */ 1042a5e0139aSGerd Hoffmann static void ehci_flush_qh(EHCIQueue *q) 1043a5e0139aSGerd Hoffmann { 1044a5e0139aSGerd Hoffmann uint32_t *qh = (uint32_t *) &q->qh; 1045a5e0139aSGerd Hoffmann uint32_t dwords = sizeof(EHCIqh) >> 2; 1046a5e0139aSGerd Hoffmann uint32_t addr = NLPTR_GET(q->qhaddr); 1047a5e0139aSGerd Hoffmann 1048a5e0139aSGerd Hoffmann put_dwords(q->ehci, addr + 3 * sizeof(uint32_t), qh + 3, dwords - 3); 1049a5e0139aSGerd Hoffmann } 1050a5e0139aSGerd Hoffmann 1051f1ae32a1SGerd Hoffmann // 4.10.2 1052f1ae32a1SGerd Hoffmann 1053f1ae32a1SGerd Hoffmann static int ehci_qh_do_overlay(EHCIQueue *q) 1054f1ae32a1SGerd Hoffmann { 1055eb36a88eSGerd Hoffmann EHCIPacket *p = QTAILQ_FIRST(&q->packets); 1056f1ae32a1SGerd Hoffmann int i; 1057f1ae32a1SGerd Hoffmann int dtoggle; 1058f1ae32a1SGerd Hoffmann int ping; 1059f1ae32a1SGerd Hoffmann int eps; 1060f1ae32a1SGerd Hoffmann int reload; 1061f1ae32a1SGerd Hoffmann 1062eb36a88eSGerd Hoffmann assert(p != NULL); 1063eb36a88eSGerd Hoffmann assert(p->qtdaddr == q->qtdaddr); 1064eb36a88eSGerd Hoffmann 1065f1ae32a1SGerd Hoffmann // remember values in fields to preserve in qh after overlay 1066f1ae32a1SGerd Hoffmann 1067f1ae32a1SGerd Hoffmann dtoggle = q->qh.token & QTD_TOKEN_DTOGGLE; 1068f1ae32a1SGerd Hoffmann ping = q->qh.token & QTD_TOKEN_PING; 1069f1ae32a1SGerd Hoffmann 1070eb36a88eSGerd Hoffmann q->qh.current_qtd = p->qtdaddr; 1071eb36a88eSGerd Hoffmann q->qh.next_qtd = p->qtd.next; 1072eb36a88eSGerd Hoffmann q->qh.altnext_qtd = p->qtd.altnext; 1073eb36a88eSGerd Hoffmann q->qh.token = p->qtd.token; 1074f1ae32a1SGerd Hoffmann 1075f1ae32a1SGerd Hoffmann 1076f1ae32a1SGerd Hoffmann eps = get_field(q->qh.epchar, QH_EPCHAR_EPS); 1077f1ae32a1SGerd Hoffmann if (eps == EHCI_QH_EPS_HIGH) { 1078f1ae32a1SGerd Hoffmann q->qh.token &= ~QTD_TOKEN_PING; 1079f1ae32a1SGerd Hoffmann q->qh.token |= ping; 1080f1ae32a1SGerd Hoffmann } 1081f1ae32a1SGerd Hoffmann 1082f1ae32a1SGerd Hoffmann reload = get_field(q->qh.epchar, QH_EPCHAR_RL); 1083f1ae32a1SGerd Hoffmann set_field(&q->qh.altnext_qtd, reload, QH_ALTNEXT_NAKCNT); 1084f1ae32a1SGerd Hoffmann 1085f1ae32a1SGerd Hoffmann for (i = 0; i < 5; i++) { 1086eb36a88eSGerd Hoffmann q->qh.bufptr[i] = p->qtd.bufptr[i]; 1087f1ae32a1SGerd Hoffmann } 1088f1ae32a1SGerd Hoffmann 1089f1ae32a1SGerd Hoffmann if (!(q->qh.epchar & QH_EPCHAR_DTC)) { 1090f1ae32a1SGerd Hoffmann // preserve QH DT bit 1091f1ae32a1SGerd Hoffmann q->qh.token &= ~QTD_TOKEN_DTOGGLE; 1092f1ae32a1SGerd Hoffmann q->qh.token |= dtoggle; 1093f1ae32a1SGerd Hoffmann } 1094f1ae32a1SGerd Hoffmann 1095f1ae32a1SGerd Hoffmann q->qh.bufptr[1] &= ~BUFPTR_CPROGMASK_MASK; 1096f1ae32a1SGerd Hoffmann q->qh.bufptr[2] &= ~BUFPTR_FRAMETAG_MASK; 1097f1ae32a1SGerd Hoffmann 1098a5e0139aSGerd Hoffmann ehci_flush_qh(q); 1099f1ae32a1SGerd Hoffmann 1100f1ae32a1SGerd Hoffmann return 0; 1101f1ae32a1SGerd Hoffmann } 1102f1ae32a1SGerd Hoffmann 1103eb36a88eSGerd Hoffmann static int ehci_init_transfer(EHCIPacket *p) 1104f1ae32a1SGerd Hoffmann { 1105f1ae32a1SGerd Hoffmann uint32_t cpage, offset, bytes, plen; 1106f1ae32a1SGerd Hoffmann dma_addr_t page; 1107f1ae32a1SGerd Hoffmann 1108eb36a88eSGerd Hoffmann cpage = get_field(p->qtd.token, QTD_TOKEN_CPAGE); 1109eb36a88eSGerd Hoffmann bytes = get_field(p->qtd.token, QTD_TOKEN_TBYTES); 1110eb36a88eSGerd Hoffmann offset = p->qtd.bufptr[0] & ~QTD_BUFPTR_MASK; 11117ae6ce02SPeter Crosthwaite qemu_sglist_init(&p->sgl, 5, p->queue->ehci->dma); 1112f1ae32a1SGerd Hoffmann 1113f1ae32a1SGerd Hoffmann while (bytes > 0) { 1114f1ae32a1SGerd Hoffmann if (cpage > 4) { 1115f1ae32a1SGerd Hoffmann fprintf(stderr, "cpage out of range (%d)\n", cpage); 111601e26b0eSHans de Goede return -1; 1117f1ae32a1SGerd Hoffmann } 1118f1ae32a1SGerd Hoffmann 1119eb36a88eSGerd Hoffmann page = p->qtd.bufptr[cpage] & QTD_BUFPTR_MASK; 1120f1ae32a1SGerd Hoffmann page += offset; 1121f1ae32a1SGerd Hoffmann plen = bytes; 1122f1ae32a1SGerd Hoffmann if (plen > 4096 - offset) { 1123f1ae32a1SGerd Hoffmann plen = 4096 - offset; 1124f1ae32a1SGerd Hoffmann offset = 0; 1125f1ae32a1SGerd Hoffmann cpage++; 1126f1ae32a1SGerd Hoffmann } 1127f1ae32a1SGerd Hoffmann 1128eb36a88eSGerd Hoffmann qemu_sglist_add(&p->sgl, page, plen); 1129f1ae32a1SGerd Hoffmann bytes -= plen; 1130f1ae32a1SGerd Hoffmann } 1131f1ae32a1SGerd Hoffmann return 0; 1132f1ae32a1SGerd Hoffmann } 1133f1ae32a1SGerd Hoffmann 1134e696b1daSHans de Goede static void ehci_finish_transfer(EHCIQueue *q, int len) 1135f1ae32a1SGerd Hoffmann { 1136f1ae32a1SGerd Hoffmann uint32_t cpage, offset; 1137f1ae32a1SGerd Hoffmann 1138e696b1daSHans de Goede if (len > 0) { 1139f1ae32a1SGerd Hoffmann /* update cpage & offset */ 1140f1ae32a1SGerd Hoffmann cpage = get_field(q->qh.token, QTD_TOKEN_CPAGE); 1141f1ae32a1SGerd Hoffmann offset = q->qh.bufptr[0] & ~QTD_BUFPTR_MASK; 1142f1ae32a1SGerd Hoffmann 1143e696b1daSHans de Goede offset += len; 1144f1ae32a1SGerd Hoffmann cpage += offset >> QTD_BUFPTR_SH; 1145f1ae32a1SGerd Hoffmann offset &= ~QTD_BUFPTR_MASK; 1146f1ae32a1SGerd Hoffmann 1147f1ae32a1SGerd Hoffmann set_field(&q->qh.token, cpage, QTD_TOKEN_CPAGE); 1148f1ae32a1SGerd Hoffmann q->qh.bufptr[0] &= QTD_BUFPTR_MASK; 1149f1ae32a1SGerd Hoffmann q->qh.bufptr[0] |= offset; 1150f1ae32a1SGerd Hoffmann } 1151f1ae32a1SGerd Hoffmann } 1152f1ae32a1SGerd Hoffmann 1153f1ae32a1SGerd Hoffmann static void ehci_async_complete_packet(USBPort *port, USBPacket *packet) 1154f1ae32a1SGerd Hoffmann { 1155eb36a88eSGerd Hoffmann EHCIPacket *p; 1156f1ae32a1SGerd Hoffmann EHCIState *s = port->opaque; 1157f1ae32a1SGerd Hoffmann uint32_t portsc = s->portsc[port->index]; 1158f1ae32a1SGerd Hoffmann 1159f1ae32a1SGerd Hoffmann if (portsc & PORTSC_POWNER) { 1160f1ae32a1SGerd Hoffmann USBPort *companion = s->companion_ports[port->index]; 1161f1ae32a1SGerd Hoffmann companion->ops->complete(companion, packet); 1162f1ae32a1SGerd Hoffmann return; 1163f1ae32a1SGerd Hoffmann } 1164f1ae32a1SGerd Hoffmann 1165eb36a88eSGerd Hoffmann p = container_of(packet, EHCIPacket, packet); 1166eb36a88eSGerd Hoffmann assert(p->async == EHCI_ASYNC_INFLIGHT); 11670cae7b1aSHans de Goede 11689a77a0f5SHans de Goede if (packet->status == USB_RET_REMOVE_FROM_QUEUE) { 11690cae7b1aSHans de Goede trace_usb_ehci_packet_action(p->queue, p, "remove"); 11700cae7b1aSHans de Goede ehci_free_packet(p); 11710cae7b1aSHans de Goede return; 11720cae7b1aSHans de Goede } 11730cae7b1aSHans de Goede 11740cae7b1aSHans de Goede trace_usb_ehci_packet_action(p->queue, p, "wakeup"); 1175eb36a88eSGerd Hoffmann p->async = EHCI_ASYNC_FINISHED; 1176ae710b99SGerd Hoffmann 1177ae710b99SGerd Hoffmann if (p->queue->async) { 1178ae710b99SGerd Hoffmann qemu_bh_schedule(p->queue->ehci->async_bh); 1179ae710b99SGerd Hoffmann } 1180f1ae32a1SGerd Hoffmann } 1181f1ae32a1SGerd Hoffmann 1182f1ae32a1SGerd Hoffmann static void ehci_execute_complete(EHCIQueue *q) 1183f1ae32a1SGerd Hoffmann { 1184eb36a88eSGerd Hoffmann EHCIPacket *p = QTAILQ_FIRST(&q->packets); 1185e696b1daSHans de Goede uint32_t tbytes; 1186eb36a88eSGerd Hoffmann 1187eb36a88eSGerd Hoffmann assert(p != NULL); 1188eb36a88eSGerd Hoffmann assert(p->qtdaddr == q->qtdaddr); 1189ef5b2344SHans de Goede assert(p->async == EHCI_ASYNC_INITIALIZED || 1190ef5b2344SHans de Goede p->async == EHCI_ASYNC_FINISHED); 1191f1ae32a1SGerd Hoffmann 1192e696b1daSHans de Goede DPRINTF("execute_complete: qhaddr 0x%x, next 0x%x, qtdaddr 0x%x, " 1193e696b1daSHans de Goede "status %d, actual_length %d\n", 1194e696b1daSHans de Goede q->qhaddr, q->qh.next, q->qtdaddr, 1195e696b1daSHans de Goede p->packet.status, p->packet.actual_length); 1196f1ae32a1SGerd Hoffmann 1197e696b1daSHans de Goede switch (p->packet.status) { 1198e696b1daSHans de Goede case USB_RET_SUCCESS: 1199e696b1daSHans de Goede break; 1200f1ae32a1SGerd Hoffmann case USB_RET_IOERROR: 1201f1ae32a1SGerd Hoffmann case USB_RET_NODEV: 1202f1ae32a1SGerd Hoffmann q->qh.token |= (QTD_TOKEN_HALT | QTD_TOKEN_XACTERR); 1203f1ae32a1SGerd Hoffmann set_field(&q->qh.token, 0, QTD_TOKEN_CERR); 12047efc17afSGerd Hoffmann ehci_raise_irq(q->ehci, USBSTS_ERRINT); 1205f1ae32a1SGerd Hoffmann break; 1206f1ae32a1SGerd Hoffmann case USB_RET_STALL: 1207f1ae32a1SGerd Hoffmann q->qh.token |= QTD_TOKEN_HALT; 12087efc17afSGerd Hoffmann ehci_raise_irq(q->ehci, USBSTS_ERRINT); 1209f1ae32a1SGerd Hoffmann break; 1210f1ae32a1SGerd Hoffmann case USB_RET_NAK: 1211f1ae32a1SGerd Hoffmann set_field(&q->qh.altnext_qtd, 0, QH_ALTNEXT_NAKCNT); 1212f1ae32a1SGerd Hoffmann return; /* We're not done yet with this transaction */ 1213f1ae32a1SGerd Hoffmann case USB_RET_BABBLE: 1214f1ae32a1SGerd Hoffmann q->qh.token |= (QTD_TOKEN_HALT | QTD_TOKEN_BABBLE); 12157efc17afSGerd Hoffmann ehci_raise_irq(q->ehci, USBSTS_ERRINT); 1216f1ae32a1SGerd Hoffmann break; 1217f1ae32a1SGerd Hoffmann default: 1218f1ae32a1SGerd Hoffmann /* should not be triggerable */ 1219e696b1daSHans de Goede fprintf(stderr, "USB invalid response %d\n", p->packet.status); 1220f1ae32a1SGerd Hoffmann assert(0); 1221f1ae32a1SGerd Hoffmann break; 1222f1ae32a1SGerd Hoffmann } 1223f1ae32a1SGerd Hoffmann 1224e696b1daSHans de Goede /* TODO check 4.12 for splits */ 1225e696b1daSHans de Goede tbytes = get_field(q->qh.token, QTD_TOKEN_TBYTES); 1226549a3c3dSHans de Goede if (tbytes && p->pid == USB_TOKEN_IN) { 1227e696b1daSHans de Goede tbytes -= p->packet.actual_length; 1228cf08a8a1SHans de Goede if (tbytes) { 1229cf08a8a1SHans de Goede /* 4.15.1.2 must raise int on a short input packet */ 1230cf08a8a1SHans de Goede ehci_raise_irq(q->ehci, USBSTS_INT); 1231cf08a8a1SHans de Goede } 1232f1ae32a1SGerd Hoffmann } else { 1233549a3c3dSHans de Goede tbytes = 0; 1234f1ae32a1SGerd Hoffmann } 1235549a3c3dSHans de Goede DPRINTF("updating tbytes to %d\n", tbytes); 1236549a3c3dSHans de Goede set_field(&q->qh.token, tbytes, QTD_TOKEN_TBYTES); 1237e696b1daSHans de Goede 1238e696b1daSHans de Goede ehci_finish_transfer(q, p->packet.actual_length); 1239e2f89926SDavid Gibson usb_packet_unmap(&p->packet, &p->sgl); 1240eb36a88eSGerd Hoffmann qemu_sglist_destroy(&p->sgl); 1241ef5b2344SHans de Goede p->async = EHCI_ASYNC_NONE; 1242f1ae32a1SGerd Hoffmann 1243f1ae32a1SGerd Hoffmann q->qh.token ^= QTD_TOKEN_DTOGGLE; 1244f1ae32a1SGerd Hoffmann q->qh.token &= ~QTD_TOKEN_ACTIVE; 1245f1ae32a1SGerd Hoffmann 1246f1ae32a1SGerd Hoffmann if (q->qh.token & QTD_TOKEN_IOC) { 12477efc17afSGerd Hoffmann ehci_raise_irq(q->ehci, USBSTS_INT); 124844272b0fSHans de Goede if (q->async) { 124944272b0fSHans de Goede q->ehci->int_req_by_async = true; 125044272b0fSHans de Goede } 1251f1ae32a1SGerd Hoffmann } 1252f1ae32a1SGerd Hoffmann } 1253f1ae32a1SGerd Hoffmann 125401e26b0eSHans de Goede /* 4.10.3 returns "again" */ 1255773dc9cdSGerd Hoffmann static int ehci_execute(EHCIPacket *p, const char *action) 1256f1ae32a1SGerd Hoffmann { 1257f1ae32a1SGerd Hoffmann USBEndpoint *ep; 1258f1ae32a1SGerd Hoffmann int endp; 12596ba43f1fSHans de Goede bool spd; 1260f1ae32a1SGerd Hoffmann 1261ef5b2344SHans de Goede assert(p->async == EHCI_ASYNC_NONE || 1262ef5b2344SHans de Goede p->async == EHCI_ASYNC_INITIALIZED); 1263ef5b2344SHans de Goede 12644224558fSGerd Hoffmann if (!(p->qtd.token & QTD_TOKEN_ACTIVE)) { 12654224558fSGerd Hoffmann fprintf(stderr, "Attempting to execute inactive qtd\n"); 126601e26b0eSHans de Goede return -1; 1267f1ae32a1SGerd Hoffmann } 1268f1ae32a1SGerd Hoffmann 1269549a3c3dSHans de Goede if (get_field(p->qtd.token, QTD_TOKEN_TBYTES) > BUFF_SIZE) { 12703a8ca08eSHans de Goede ehci_trace_guest_bug(p->queue->ehci, 12713a8ca08eSHans de Goede "guest requested more bytes than allowed"); 127201e26b0eSHans de Goede return -1; 1273f1ae32a1SGerd Hoffmann } 1274f1ae32a1SGerd Hoffmann 12754224558fSGerd Hoffmann p->pid = (p->qtd.token & QTD_TOKEN_PID_MASK) >> QTD_TOKEN_PID_SH; 1276eb36a88eSGerd Hoffmann switch (p->pid) { 1277eb36a88eSGerd Hoffmann case 0: 1278eb36a88eSGerd Hoffmann p->pid = USB_TOKEN_OUT; 1279eb36a88eSGerd Hoffmann break; 1280eb36a88eSGerd Hoffmann case 1: 1281eb36a88eSGerd Hoffmann p->pid = USB_TOKEN_IN; 1282eb36a88eSGerd Hoffmann break; 1283eb36a88eSGerd Hoffmann case 2: 1284eb36a88eSGerd Hoffmann p->pid = USB_TOKEN_SETUP; 1285eb36a88eSGerd Hoffmann break; 1286eb36a88eSGerd Hoffmann default: 1287eb36a88eSGerd Hoffmann fprintf(stderr, "bad token\n"); 1288eb36a88eSGerd Hoffmann break; 1289f1ae32a1SGerd Hoffmann } 1290f1ae32a1SGerd Hoffmann 1291ef5b2344SHans de Goede endp = get_field(p->queue->qh.epchar, QH_EPCHAR_EP); 1292ef5b2344SHans de Goede ep = usb_ep_get(p->queue->dev, p->pid, endp); 1293ef5b2344SHans de Goede 1294ef5b2344SHans de Goede if (p->async == EHCI_ASYNC_NONE) { 1295eb36a88eSGerd Hoffmann if (ehci_init_transfer(p) != 0) { 129601e26b0eSHans de Goede return -1; 1297f1ae32a1SGerd Hoffmann } 1298f1ae32a1SGerd Hoffmann 12996ba43f1fSHans de Goede spd = (p->pid == USB_TOKEN_IN && NLPTR_TBIT(p->qtd.altnext) == 0); 1300a6fb2ddbSHans de Goede usb_packet_setup(&p->packet, p->pid, ep, p->qtdaddr, spd, 1301a6fb2ddbSHans de Goede (p->qtd.token & QTD_TOKEN_IOC) != 0); 1302eb36a88eSGerd Hoffmann usb_packet_map(&p->packet, &p->sgl); 1303ef5b2344SHans de Goede p->async = EHCI_ASYNC_INITIALIZED; 1304ef5b2344SHans de Goede } 1305f1ae32a1SGerd Hoffmann 1306773dc9cdSGerd Hoffmann trace_usb_ehci_packet_action(p->queue, p, action); 13079a77a0f5SHans de Goede usb_handle_packet(p->queue->dev, &p->packet); 13089a77a0f5SHans de Goede DPRINTF("submit: qh 0x%x next 0x%x qtd 0x%x pid 0x%x len %zd endp 0x%x " 13099a77a0f5SHans de Goede "status %d actual_length %d\n", p->queue->qhaddr, p->qtd.next, 13109a77a0f5SHans de Goede p->qtdaddr, p->pid, p->packet.iov.size, endp, p->packet.status, 13119a77a0f5SHans de Goede p->packet.actual_length); 1312f1ae32a1SGerd Hoffmann 13139a77a0f5SHans de Goede if (p->packet.actual_length > BUFF_SIZE) { 1314f1ae32a1SGerd Hoffmann fprintf(stderr, "ret from usb_handle_packet > BUFF_SIZE\n"); 131501e26b0eSHans de Goede return -1; 1316f1ae32a1SGerd Hoffmann } 1317f1ae32a1SGerd Hoffmann 131801e26b0eSHans de Goede return 1; 1319f1ae32a1SGerd Hoffmann } 1320f1ae32a1SGerd Hoffmann 1321f1ae32a1SGerd Hoffmann /* 4.7.2 1322f1ae32a1SGerd Hoffmann */ 1323f1ae32a1SGerd Hoffmann 1324f1ae32a1SGerd Hoffmann static int ehci_process_itd(EHCIState *ehci, 1325e983395dSGerd Hoffmann EHCIitd *itd, 1326e983395dSGerd Hoffmann uint32_t addr) 1327f1ae32a1SGerd Hoffmann { 1328f1ae32a1SGerd Hoffmann USBDevice *dev; 1329f1ae32a1SGerd Hoffmann USBEndpoint *ep; 1330f1ae32a1SGerd Hoffmann uint32_t i, len, pid, dir, devaddr, endp; 1331f1ae32a1SGerd Hoffmann uint32_t pg, off, ptr1, ptr2, max, mult; 1332f1ae32a1SGerd Hoffmann 1333f1ae32a1SGerd Hoffmann dir =(itd->bufptr[1] & ITD_BUFPTR_DIRECTION); 1334f1ae32a1SGerd Hoffmann devaddr = get_field(itd->bufptr[0], ITD_BUFPTR_DEVADDR); 1335f1ae32a1SGerd Hoffmann endp = get_field(itd->bufptr[0], ITD_BUFPTR_EP); 1336f1ae32a1SGerd Hoffmann max = get_field(itd->bufptr[1], ITD_BUFPTR_MAXPKT); 1337f1ae32a1SGerd Hoffmann mult = get_field(itd->bufptr[2], ITD_BUFPTR_MULT); 1338f1ae32a1SGerd Hoffmann 1339f1ae32a1SGerd Hoffmann for(i = 0; i < 8; i++) { 1340f1ae32a1SGerd Hoffmann if (itd->transact[i] & ITD_XACT_ACTIVE) { 1341f1ae32a1SGerd Hoffmann pg = get_field(itd->transact[i], ITD_XACT_PGSEL); 1342f1ae32a1SGerd Hoffmann off = itd->transact[i] & ITD_XACT_OFFSET_MASK; 1343f1ae32a1SGerd Hoffmann ptr1 = (itd->bufptr[pg] & ITD_BUFPTR_MASK); 1344f1ae32a1SGerd Hoffmann ptr2 = (itd->bufptr[pg+1] & ITD_BUFPTR_MASK); 1345f1ae32a1SGerd Hoffmann len = get_field(itd->transact[i], ITD_XACT_LENGTH); 1346f1ae32a1SGerd Hoffmann 1347f1ae32a1SGerd Hoffmann if (len > max * mult) { 1348f1ae32a1SGerd Hoffmann len = max * mult; 1349f1ae32a1SGerd Hoffmann } 1350f1ae32a1SGerd Hoffmann 1351f1ae32a1SGerd Hoffmann if (len > BUFF_SIZE) { 135201e26b0eSHans de Goede return -1; 1353f1ae32a1SGerd Hoffmann } 1354f1ae32a1SGerd Hoffmann 13557ae6ce02SPeter Crosthwaite qemu_sglist_init(&ehci->isgl, 2, ehci->dma); 1356f1ae32a1SGerd Hoffmann if (off + len > 4096) { 1357f1ae32a1SGerd Hoffmann /* transfer crosses page border */ 1358f1ae32a1SGerd Hoffmann uint32_t len2 = off + len - 4096; 1359f1ae32a1SGerd Hoffmann uint32_t len1 = len - len2; 1360f1ae32a1SGerd Hoffmann qemu_sglist_add(&ehci->isgl, ptr1 + off, len1); 1361f1ae32a1SGerd Hoffmann qemu_sglist_add(&ehci->isgl, ptr2, len2); 1362f1ae32a1SGerd Hoffmann } else { 1363f1ae32a1SGerd Hoffmann qemu_sglist_add(&ehci->isgl, ptr1 + off, len); 1364f1ae32a1SGerd Hoffmann } 1365f1ae32a1SGerd Hoffmann 1366f1ae32a1SGerd Hoffmann pid = dir ? USB_TOKEN_IN : USB_TOKEN_OUT; 1367f1ae32a1SGerd Hoffmann 1368f1ae32a1SGerd Hoffmann dev = ehci_find_device(ehci, devaddr); 1369f1ae32a1SGerd Hoffmann ep = usb_ep_get(dev, pid, endp); 13707ce86aa1SHans de Goede if (ep && ep->type == USB_ENDPOINT_XFER_ISOC) { 1371a6fb2ddbSHans de Goede usb_packet_setup(&ehci->ipacket, pid, ep, addr, false, 1372a6fb2ddbSHans de Goede (itd->transact[i] & ITD_XACT_IOC) != 0); 1373f1ae32a1SGerd Hoffmann usb_packet_map(&ehci->ipacket, &ehci->isgl); 13749a77a0f5SHans de Goede usb_handle_packet(dev, &ehci->ipacket); 1375e2f89926SDavid Gibson usb_packet_unmap(&ehci->ipacket, &ehci->isgl); 1376f1ae32a1SGerd Hoffmann } else { 1377f1ae32a1SGerd Hoffmann DPRINTF("ISOCH: attempt to addess non-iso endpoint\n"); 1378e696b1daSHans de Goede ehci->ipacket.status = USB_RET_NAK; 1379e696b1daSHans de Goede ehci->ipacket.actual_length = 0; 1380f1ae32a1SGerd Hoffmann } 1381f1ae32a1SGerd Hoffmann qemu_sglist_destroy(&ehci->isgl); 1382f1ae32a1SGerd Hoffmann 1383e696b1daSHans de Goede switch (ehci->ipacket.status) { 1384e696b1daSHans de Goede case USB_RET_SUCCESS: 1385e696b1daSHans de Goede break; 1386f1ae32a1SGerd Hoffmann default: 1387e696b1daSHans de Goede fprintf(stderr, "Unexpected iso usb result: %d\n", 1388e696b1daSHans de Goede ehci->ipacket.status); 1389f1ae32a1SGerd Hoffmann /* Fall through */ 1390f1ae32a1SGerd Hoffmann case USB_RET_IOERROR: 1391f1ae32a1SGerd Hoffmann case USB_RET_NODEV: 1392f1ae32a1SGerd Hoffmann /* 3.3.2: XACTERR is only allowed on IN transactions */ 1393f1ae32a1SGerd Hoffmann if (dir) { 1394f1ae32a1SGerd Hoffmann itd->transact[i] |= ITD_XACT_XACTERR; 13957efc17afSGerd Hoffmann ehci_raise_irq(ehci, USBSTS_ERRINT); 1396f1ae32a1SGerd Hoffmann } 1397f1ae32a1SGerd Hoffmann break; 1398f1ae32a1SGerd Hoffmann case USB_RET_BABBLE: 1399f1ae32a1SGerd Hoffmann itd->transact[i] |= ITD_XACT_BABBLE; 14007efc17afSGerd Hoffmann ehci_raise_irq(ehci, USBSTS_ERRINT); 1401f1ae32a1SGerd Hoffmann break; 1402f1ae32a1SGerd Hoffmann case USB_RET_NAK: 1403f1ae32a1SGerd Hoffmann /* no data for us, so do a zero-length transfer */ 1404e696b1daSHans de Goede ehci->ipacket.actual_length = 0; 1405f1ae32a1SGerd Hoffmann break; 1406f1ae32a1SGerd Hoffmann } 1407f1ae32a1SGerd Hoffmann if (!dir) { 1408e696b1daSHans de Goede set_field(&itd->transact[i], len - ehci->ipacket.actual_length, 1409e696b1daSHans de Goede ITD_XACT_LENGTH); /* OUT */ 1410f1ae32a1SGerd Hoffmann } else { 1411e696b1daSHans de Goede set_field(&itd->transact[i], ehci->ipacket.actual_length, 1412e696b1daSHans de Goede ITD_XACT_LENGTH); /* IN */ 1413f1ae32a1SGerd Hoffmann } 1414f1ae32a1SGerd Hoffmann if (itd->transact[i] & ITD_XACT_IOC) { 14157efc17afSGerd Hoffmann ehci_raise_irq(ehci, USBSTS_INT); 1416f1ae32a1SGerd Hoffmann } 1417f1ae32a1SGerd Hoffmann itd->transact[i] &= ~ITD_XACT_ACTIVE; 1418f1ae32a1SGerd Hoffmann } 1419f1ae32a1SGerd Hoffmann } 1420f1ae32a1SGerd Hoffmann return 0; 1421f1ae32a1SGerd Hoffmann } 1422f1ae32a1SGerd Hoffmann 1423cd665715SGerd Hoffmann 1424f1ae32a1SGerd Hoffmann /* This state is the entry point for asynchronous schedule 1425f1ae32a1SGerd Hoffmann * processing. Entry here consitutes a EHCI start event state (4.8.5) 1426f1ae32a1SGerd Hoffmann */ 1427f1ae32a1SGerd Hoffmann static int ehci_state_waitlisthead(EHCIState *ehci, int async) 1428f1ae32a1SGerd Hoffmann { 1429f1ae32a1SGerd Hoffmann EHCIqh qh; 1430f1ae32a1SGerd Hoffmann int i = 0; 1431f1ae32a1SGerd Hoffmann int again = 0; 1432f1ae32a1SGerd Hoffmann uint32_t entry = ehci->asynclistaddr; 1433f1ae32a1SGerd Hoffmann 1434f1ae32a1SGerd Hoffmann /* set reclamation flag at start event (4.8.6) */ 1435f1ae32a1SGerd Hoffmann if (async) { 1436f1ae32a1SGerd Hoffmann ehci_set_usbsts(ehci, USBSTS_REC); 1437f1ae32a1SGerd Hoffmann } 1438f1ae32a1SGerd Hoffmann 14398f5457ebSHans de Goede ehci_queues_rip_unused(ehci, async); 1440f1ae32a1SGerd Hoffmann 1441f1ae32a1SGerd Hoffmann /* Find the head of the list (4.9.1.1) */ 1442f1ae32a1SGerd Hoffmann for(i = 0; i < MAX_QH; i++) { 1443f1ae32a1SGerd Hoffmann get_dwords(ehci, NLPTR_GET(entry), (uint32_t *) &qh, 1444f1ae32a1SGerd Hoffmann sizeof(EHCIqh) >> 2); 1445f1ae32a1SGerd Hoffmann ehci_trace_qh(NULL, NLPTR_GET(entry), &qh); 1446f1ae32a1SGerd Hoffmann 1447f1ae32a1SGerd Hoffmann if (qh.epchar & QH_EPCHAR_H) { 1448f1ae32a1SGerd Hoffmann if (async) { 1449f1ae32a1SGerd Hoffmann entry |= (NLPTR_TYPE_QH << 1); 1450f1ae32a1SGerd Hoffmann } 1451f1ae32a1SGerd Hoffmann 1452f1ae32a1SGerd Hoffmann ehci_set_fetch_addr(ehci, async, entry); 1453f1ae32a1SGerd Hoffmann ehci_set_state(ehci, async, EST_FETCHENTRY); 1454f1ae32a1SGerd Hoffmann again = 1; 1455f1ae32a1SGerd Hoffmann goto out; 1456f1ae32a1SGerd Hoffmann } 1457f1ae32a1SGerd Hoffmann 1458f1ae32a1SGerd Hoffmann entry = qh.next; 1459f1ae32a1SGerd Hoffmann if (entry == ehci->asynclistaddr) { 1460f1ae32a1SGerd Hoffmann break; 1461f1ae32a1SGerd Hoffmann } 1462f1ae32a1SGerd Hoffmann } 1463f1ae32a1SGerd Hoffmann 1464f1ae32a1SGerd Hoffmann /* no head found for list. */ 1465f1ae32a1SGerd Hoffmann 1466f1ae32a1SGerd Hoffmann ehci_set_state(ehci, async, EST_ACTIVE); 1467f1ae32a1SGerd Hoffmann 1468f1ae32a1SGerd Hoffmann out: 1469f1ae32a1SGerd Hoffmann return again; 1470f1ae32a1SGerd Hoffmann } 1471f1ae32a1SGerd Hoffmann 1472f1ae32a1SGerd Hoffmann 1473f1ae32a1SGerd Hoffmann /* This state is the entry point for periodic schedule processing as 1474f1ae32a1SGerd Hoffmann * well as being a continuation state for async processing. 1475f1ae32a1SGerd Hoffmann */ 1476f1ae32a1SGerd Hoffmann static int ehci_state_fetchentry(EHCIState *ehci, int async) 1477f1ae32a1SGerd Hoffmann { 1478f1ae32a1SGerd Hoffmann int again = 0; 1479f1ae32a1SGerd Hoffmann uint32_t entry = ehci_get_fetch_addr(ehci, async); 1480f1ae32a1SGerd Hoffmann 1481f1ae32a1SGerd Hoffmann if (NLPTR_TBIT(entry)) { 1482f1ae32a1SGerd Hoffmann ehci_set_state(ehci, async, EST_ACTIVE); 1483f1ae32a1SGerd Hoffmann goto out; 1484f1ae32a1SGerd Hoffmann } 1485f1ae32a1SGerd Hoffmann 1486f1ae32a1SGerd Hoffmann /* section 4.8, only QH in async schedule */ 1487f1ae32a1SGerd Hoffmann if (async && (NLPTR_TYPE_GET(entry) != NLPTR_TYPE_QH)) { 1488f1ae32a1SGerd Hoffmann fprintf(stderr, "non queue head request in async schedule\n"); 1489f1ae32a1SGerd Hoffmann return -1; 1490f1ae32a1SGerd Hoffmann } 1491f1ae32a1SGerd Hoffmann 1492f1ae32a1SGerd Hoffmann switch (NLPTR_TYPE_GET(entry)) { 1493f1ae32a1SGerd Hoffmann case NLPTR_TYPE_QH: 1494f1ae32a1SGerd Hoffmann ehci_set_state(ehci, async, EST_FETCHQH); 1495f1ae32a1SGerd Hoffmann again = 1; 1496f1ae32a1SGerd Hoffmann break; 1497f1ae32a1SGerd Hoffmann 1498f1ae32a1SGerd Hoffmann case NLPTR_TYPE_ITD: 1499f1ae32a1SGerd Hoffmann ehci_set_state(ehci, async, EST_FETCHITD); 1500f1ae32a1SGerd Hoffmann again = 1; 1501f1ae32a1SGerd Hoffmann break; 1502f1ae32a1SGerd Hoffmann 1503f1ae32a1SGerd Hoffmann case NLPTR_TYPE_STITD: 1504f1ae32a1SGerd Hoffmann ehci_set_state(ehci, async, EST_FETCHSITD); 1505f1ae32a1SGerd Hoffmann again = 1; 1506f1ae32a1SGerd Hoffmann break; 1507f1ae32a1SGerd Hoffmann 1508f1ae32a1SGerd Hoffmann default: 1509f1ae32a1SGerd Hoffmann /* TODO: handle FSTN type */ 1510f1ae32a1SGerd Hoffmann fprintf(stderr, "FETCHENTRY: entry at %X is of type %d " 1511f1ae32a1SGerd Hoffmann "which is not supported yet\n", entry, NLPTR_TYPE_GET(entry)); 1512f1ae32a1SGerd Hoffmann return -1; 1513f1ae32a1SGerd Hoffmann } 1514f1ae32a1SGerd Hoffmann 1515f1ae32a1SGerd Hoffmann out: 1516f1ae32a1SGerd Hoffmann return again; 1517f1ae32a1SGerd Hoffmann } 1518f1ae32a1SGerd Hoffmann 1519f1ae32a1SGerd Hoffmann static EHCIQueue *ehci_state_fetchqh(EHCIState *ehci, int async) 1520f1ae32a1SGerd Hoffmann { 1521eb36a88eSGerd Hoffmann EHCIPacket *p; 1522dafe31fcSHans de Goede uint32_t entry, devaddr, endp; 1523f1ae32a1SGerd Hoffmann EHCIQueue *q; 1524dafe31fcSHans de Goede EHCIqh qh; 1525f1ae32a1SGerd Hoffmann 1526f1ae32a1SGerd Hoffmann entry = ehci_get_fetch_addr(ehci, async); 1527f1ae32a1SGerd Hoffmann q = ehci_find_queue_by_qh(ehci, entry, async); 1528f1ae32a1SGerd Hoffmann if (NULL == q) { 15298f6d5e26SGerd Hoffmann q = ehci_alloc_queue(ehci, entry, async); 1530f1ae32a1SGerd Hoffmann } 1531eb36a88eSGerd Hoffmann p = QTAILQ_FIRST(&q->packets); 1532f1ae32a1SGerd Hoffmann 15338f6d5e26SGerd Hoffmann q->seen++; 1534f1ae32a1SGerd Hoffmann if (q->seen > 1) { 1535f1ae32a1SGerd Hoffmann /* we are going in circles -- stop processing */ 1536f1ae32a1SGerd Hoffmann ehci_set_state(ehci, async, EST_ACTIVE); 1537f1ae32a1SGerd Hoffmann q = NULL; 1538f1ae32a1SGerd Hoffmann goto out; 1539f1ae32a1SGerd Hoffmann } 1540f1ae32a1SGerd Hoffmann 1541f1ae32a1SGerd Hoffmann get_dwords(ehci, NLPTR_GET(q->qhaddr), 1542dafe31fcSHans de Goede (uint32_t *) &qh, sizeof(EHCIqh) >> 2); 1543dafe31fcSHans de Goede ehci_trace_qh(q, NLPTR_GET(q->qhaddr), &qh); 1544f1ae32a1SGerd Hoffmann 1545dafe31fcSHans de Goede /* 1546dafe31fcSHans de Goede * The overlay area of the qh should never be changed by the guest, 1547dafe31fcSHans de Goede * except when idle, in which case the reset is a nop. 1548dafe31fcSHans de Goede */ 1549dafe31fcSHans de Goede devaddr = get_field(qh.epchar, QH_EPCHAR_DEVADDR); 1550dafe31fcSHans de Goede endp = get_field(qh.epchar, QH_EPCHAR_EP); 1551dafe31fcSHans de Goede if ((devaddr != get_field(q->qh.epchar, QH_EPCHAR_DEVADDR)) || 1552dafe31fcSHans de Goede (endp != get_field(q->qh.epchar, QH_EPCHAR_EP)) || 1553dafe31fcSHans de Goede (memcmp(&qh.current_qtd, &q->qh.current_qtd, 1554dafe31fcSHans de Goede 9 * sizeof(uint32_t)) != 0) || 1555dafe31fcSHans de Goede (q->dev != NULL && q->dev->addr != devaddr)) { 15565c514681SGerd Hoffmann if (ehci_reset_queue(q) > 0) { 15575c514681SGerd Hoffmann ehci_trace_guest_bug(ehci, "guest updated active QH"); 15585c514681SGerd Hoffmann } 1559dafe31fcSHans de Goede p = NULL; 1560e59928b3SGerd Hoffmann } 1561dafe31fcSHans de Goede q->qh = qh; 1562dafe31fcSHans de Goede 1563cae5d3f4SHans de Goede q->transact_ctr = get_field(q->qh.epcap, QH_EPCAP_MULT); 1564cae5d3f4SHans de Goede if (q->transact_ctr == 0) { /* Guest bug in some versions of windows */ 1565cae5d3f4SHans de Goede q->transact_ctr = 4; 1566cae5d3f4SHans de Goede } 1567cae5d3f4SHans de Goede 1568e59928b3SGerd Hoffmann if (q->dev == NULL) { 1569e59928b3SGerd Hoffmann q->dev = ehci_find_device(q->ehci, devaddr); 1570e59928b3SGerd Hoffmann } 1571e59928b3SGerd Hoffmann 1572eb36a88eSGerd Hoffmann if (p && p->async == EHCI_ASYNC_FINISHED) { 1573f1ae32a1SGerd Hoffmann /* I/O finished -- continue processing queue */ 1574773dc9cdSGerd Hoffmann trace_usb_ehci_packet_action(p->queue, p, "complete"); 1575f1ae32a1SGerd Hoffmann ehci_set_state(ehci, async, EST_EXECUTING); 1576f1ae32a1SGerd Hoffmann goto out; 1577f1ae32a1SGerd Hoffmann } 1578f1ae32a1SGerd Hoffmann 1579f1ae32a1SGerd Hoffmann if (async && (q->qh.epchar & QH_EPCHAR_H)) { 1580f1ae32a1SGerd Hoffmann 1581f1ae32a1SGerd Hoffmann /* EHCI spec version 1.0 Section 4.8.3 & 4.10.1 */ 1582f1ae32a1SGerd Hoffmann if (ehci->usbsts & USBSTS_REC) { 1583f1ae32a1SGerd Hoffmann ehci_clear_usbsts(ehci, USBSTS_REC); 1584f1ae32a1SGerd Hoffmann } else { 1585f1ae32a1SGerd Hoffmann DPRINTF("FETCHQH: QH 0x%08x. H-bit set, reclamation status reset" 1586f1ae32a1SGerd Hoffmann " - done processing\n", q->qhaddr); 1587f1ae32a1SGerd Hoffmann ehci_set_state(ehci, async, EST_ACTIVE); 1588f1ae32a1SGerd Hoffmann q = NULL; 1589f1ae32a1SGerd Hoffmann goto out; 1590f1ae32a1SGerd Hoffmann } 1591f1ae32a1SGerd Hoffmann } 1592f1ae32a1SGerd Hoffmann 1593f1ae32a1SGerd Hoffmann #if EHCI_DEBUG 1594f1ae32a1SGerd Hoffmann if (q->qhaddr != q->qh.next) { 1595f1ae32a1SGerd Hoffmann DPRINTF("FETCHQH: QH 0x%08x (h %x halt %x active %x) next 0x%08x\n", 1596f1ae32a1SGerd Hoffmann q->qhaddr, 1597f1ae32a1SGerd Hoffmann q->qh.epchar & QH_EPCHAR_H, 1598f1ae32a1SGerd Hoffmann q->qh.token & QTD_TOKEN_HALT, 1599f1ae32a1SGerd Hoffmann q->qh.token & QTD_TOKEN_ACTIVE, 1600f1ae32a1SGerd Hoffmann q->qh.next); 1601f1ae32a1SGerd Hoffmann } 1602f1ae32a1SGerd Hoffmann #endif 1603f1ae32a1SGerd Hoffmann 1604f1ae32a1SGerd Hoffmann if (q->qh.token & QTD_TOKEN_HALT) { 1605f1ae32a1SGerd Hoffmann ehci_set_state(ehci, async, EST_HORIZONTALQH); 1606f1ae32a1SGerd Hoffmann 1607f1ae32a1SGerd Hoffmann } else if ((q->qh.token & QTD_TOKEN_ACTIVE) && 1608f1ae32a1SGerd Hoffmann (NLPTR_TBIT(q->qh.current_qtd) == 0)) { 1609f1ae32a1SGerd Hoffmann q->qtdaddr = q->qh.current_qtd; 1610f1ae32a1SGerd Hoffmann ehci_set_state(ehci, async, EST_FETCHQTD); 1611f1ae32a1SGerd Hoffmann 1612f1ae32a1SGerd Hoffmann } else { 1613f1ae32a1SGerd Hoffmann /* EHCI spec version 1.0 Section 4.10.2 */ 1614f1ae32a1SGerd Hoffmann ehci_set_state(ehci, async, EST_ADVANCEQUEUE); 1615f1ae32a1SGerd Hoffmann } 1616f1ae32a1SGerd Hoffmann 1617f1ae32a1SGerd Hoffmann out: 1618f1ae32a1SGerd Hoffmann return q; 1619f1ae32a1SGerd Hoffmann } 1620f1ae32a1SGerd Hoffmann 1621f1ae32a1SGerd Hoffmann static int ehci_state_fetchitd(EHCIState *ehci, int async) 1622f1ae32a1SGerd Hoffmann { 1623f1ae32a1SGerd Hoffmann uint32_t entry; 1624f1ae32a1SGerd Hoffmann EHCIitd itd; 1625f1ae32a1SGerd Hoffmann 1626f1ae32a1SGerd Hoffmann assert(!async); 1627f1ae32a1SGerd Hoffmann entry = ehci_get_fetch_addr(ehci, async); 1628f1ae32a1SGerd Hoffmann 1629f1ae32a1SGerd Hoffmann get_dwords(ehci, NLPTR_GET(entry), (uint32_t *) &itd, 1630f1ae32a1SGerd Hoffmann sizeof(EHCIitd) >> 2); 1631f1ae32a1SGerd Hoffmann ehci_trace_itd(ehci, entry, &itd); 1632f1ae32a1SGerd Hoffmann 1633e983395dSGerd Hoffmann if (ehci_process_itd(ehci, &itd, entry) != 0) { 1634f1ae32a1SGerd Hoffmann return -1; 1635f1ae32a1SGerd Hoffmann } 1636f1ae32a1SGerd Hoffmann 1637f1ae32a1SGerd Hoffmann put_dwords(ehci, NLPTR_GET(entry), (uint32_t *) &itd, 1638f1ae32a1SGerd Hoffmann sizeof(EHCIitd) >> 2); 1639f1ae32a1SGerd Hoffmann ehci_set_fetch_addr(ehci, async, itd.next); 1640f1ae32a1SGerd Hoffmann ehci_set_state(ehci, async, EST_FETCHENTRY); 1641f1ae32a1SGerd Hoffmann 1642f1ae32a1SGerd Hoffmann return 1; 1643f1ae32a1SGerd Hoffmann } 1644f1ae32a1SGerd Hoffmann 1645f1ae32a1SGerd Hoffmann static int ehci_state_fetchsitd(EHCIState *ehci, int async) 1646f1ae32a1SGerd Hoffmann { 1647f1ae32a1SGerd Hoffmann uint32_t entry; 1648f1ae32a1SGerd Hoffmann EHCIsitd sitd; 1649f1ae32a1SGerd Hoffmann 1650f1ae32a1SGerd Hoffmann assert(!async); 1651f1ae32a1SGerd Hoffmann entry = ehci_get_fetch_addr(ehci, async); 1652f1ae32a1SGerd Hoffmann 1653f1ae32a1SGerd Hoffmann get_dwords(ehci, NLPTR_GET(entry), (uint32_t *)&sitd, 1654f1ae32a1SGerd Hoffmann sizeof(EHCIsitd) >> 2); 1655f1ae32a1SGerd Hoffmann ehci_trace_sitd(ehci, entry, &sitd); 1656f1ae32a1SGerd Hoffmann 1657f1ae32a1SGerd Hoffmann if (!(sitd.results & SITD_RESULTS_ACTIVE)) { 1658f1ae32a1SGerd Hoffmann /* siTD is not active, nothing to do */; 1659f1ae32a1SGerd Hoffmann } else { 1660f1ae32a1SGerd Hoffmann /* TODO: split transfers are not implemented */ 1661f1ae32a1SGerd Hoffmann fprintf(stderr, "WARNING: Skipping active siTD\n"); 1662f1ae32a1SGerd Hoffmann } 1663f1ae32a1SGerd Hoffmann 1664f1ae32a1SGerd Hoffmann ehci_set_fetch_addr(ehci, async, sitd.next); 1665f1ae32a1SGerd Hoffmann ehci_set_state(ehci, async, EST_FETCHENTRY); 1666f1ae32a1SGerd Hoffmann return 1; 1667f1ae32a1SGerd Hoffmann } 1668f1ae32a1SGerd Hoffmann 1669f1ae32a1SGerd Hoffmann /* Section 4.10.2 - paragraph 3 */ 1670ae0138a8SGerd Hoffmann static int ehci_state_advqueue(EHCIQueue *q) 1671f1ae32a1SGerd Hoffmann { 1672f1ae32a1SGerd Hoffmann #if 0 1673f1ae32a1SGerd Hoffmann /* TO-DO: 4.10.2 - paragraph 2 1674f1ae32a1SGerd Hoffmann * if I-bit is set to 1 and QH is not active 1675f1ae32a1SGerd Hoffmann * go to horizontal QH 1676f1ae32a1SGerd Hoffmann */ 1677f1ae32a1SGerd Hoffmann if (I-bit set) { 1678f1ae32a1SGerd Hoffmann ehci_set_state(ehci, async, EST_HORIZONTALQH); 1679f1ae32a1SGerd Hoffmann goto out; 1680f1ae32a1SGerd Hoffmann } 1681f1ae32a1SGerd Hoffmann #endif 1682f1ae32a1SGerd Hoffmann 1683f1ae32a1SGerd Hoffmann /* 1684f1ae32a1SGerd Hoffmann * want data and alt-next qTD is valid 1685f1ae32a1SGerd Hoffmann */ 1686f1ae32a1SGerd Hoffmann if (((q->qh.token & QTD_TOKEN_TBYTES_MASK) != 0) && 1687f1ae32a1SGerd Hoffmann (NLPTR_TBIT(q->qh.altnext_qtd) == 0)) { 1688f1ae32a1SGerd Hoffmann q->qtdaddr = q->qh.altnext_qtd; 1689ae0138a8SGerd Hoffmann ehci_set_state(q->ehci, q->async, EST_FETCHQTD); 1690f1ae32a1SGerd Hoffmann 1691f1ae32a1SGerd Hoffmann /* 1692f1ae32a1SGerd Hoffmann * next qTD is valid 1693f1ae32a1SGerd Hoffmann */ 1694f1ae32a1SGerd Hoffmann } else if (NLPTR_TBIT(q->qh.next_qtd) == 0) { 1695f1ae32a1SGerd Hoffmann q->qtdaddr = q->qh.next_qtd; 1696ae0138a8SGerd Hoffmann ehci_set_state(q->ehci, q->async, EST_FETCHQTD); 1697f1ae32a1SGerd Hoffmann 1698f1ae32a1SGerd Hoffmann /* 1699f1ae32a1SGerd Hoffmann * no valid qTD, try next QH 1700f1ae32a1SGerd Hoffmann */ 1701f1ae32a1SGerd Hoffmann } else { 1702ae0138a8SGerd Hoffmann ehci_set_state(q->ehci, q->async, EST_HORIZONTALQH); 1703f1ae32a1SGerd Hoffmann } 1704f1ae32a1SGerd Hoffmann 1705f1ae32a1SGerd Hoffmann return 1; 1706f1ae32a1SGerd Hoffmann } 1707f1ae32a1SGerd Hoffmann 1708f1ae32a1SGerd Hoffmann /* Section 4.10.2 - paragraph 4 */ 1709ae0138a8SGerd Hoffmann static int ehci_state_fetchqtd(EHCIQueue *q) 1710f1ae32a1SGerd Hoffmann { 1711eb36a88eSGerd Hoffmann EHCIqtd qtd; 1712eb36a88eSGerd Hoffmann EHCIPacket *p; 1713b4ea8664SHans de Goede int again = 1; 1714f1ae32a1SGerd Hoffmann 1715eb36a88eSGerd Hoffmann get_dwords(q->ehci, NLPTR_GET(q->qtdaddr), (uint32_t *) &qtd, 1716f1ae32a1SGerd Hoffmann sizeof(EHCIqtd) >> 2); 1717eb36a88eSGerd Hoffmann ehci_trace_qtd(q, NLPTR_GET(q->qtdaddr), &qtd); 1718f1ae32a1SGerd Hoffmann 1719773dc9cdSGerd Hoffmann p = QTAILQ_FIRST(&q->packets); 1720287fd3f1SGerd Hoffmann if (p != NULL) { 1721287fd3f1SGerd Hoffmann if (p->qtdaddr != q->qtdaddr || 1722287fd3f1SGerd Hoffmann (!NLPTR_TBIT(p->qtd.next) && (p->qtd.next != qtd.next)) || 1723287fd3f1SGerd Hoffmann (!NLPTR_TBIT(p->qtd.altnext) && (p->qtd.altnext != qtd.altnext)) || 1724287fd3f1SGerd Hoffmann p->qtd.bufptr[0] != qtd.bufptr[0]) { 1725287fd3f1SGerd Hoffmann ehci_cancel_queue(q); 17265c514681SGerd Hoffmann ehci_trace_guest_bug(q->ehci, "guest updated active QH or qTD"); 1727287fd3f1SGerd Hoffmann p = NULL; 1728287fd3f1SGerd Hoffmann } else { 1729287fd3f1SGerd Hoffmann p->qtd = qtd; 1730287fd3f1SGerd Hoffmann ehci_qh_do_overlay(q); 1731287fd3f1SGerd Hoffmann } 1732287fd3f1SGerd Hoffmann } 1733287fd3f1SGerd Hoffmann 1734287fd3f1SGerd Hoffmann if (!(qtd.token & QTD_TOKEN_ACTIVE)) { 1735287fd3f1SGerd Hoffmann if (p != NULL) { 1736287fd3f1SGerd Hoffmann /* transfer canceled by guest (clear active) */ 1737c7cdca3bSGerd Hoffmann ehci_cancel_queue(q); 1738c7cdca3bSGerd Hoffmann p = NULL; 1739773dc9cdSGerd Hoffmann } 1740287fd3f1SGerd Hoffmann ehci_set_state(q->ehci, q->async, EST_HORIZONTALQH); 1741287fd3f1SGerd Hoffmann } else if (p != NULL) { 1742adf47834SHans de Goede switch (p->async) { 1743adf47834SHans de Goede case EHCI_ASYNC_NONE: 1744ef5b2344SHans de Goede case EHCI_ASYNC_INITIALIZED: 1745cae5d3f4SHans de Goede /* Not yet executed (MULT), or previously nacked (int) packet */ 1746adf47834SHans de Goede ehci_set_state(q->ehci, q->async, EST_EXECUTE); 1747adf47834SHans de Goede break; 1748adf47834SHans de Goede case EHCI_ASYNC_INFLIGHT: 1749b4ea8664SHans de Goede /* Check if the guest has added new tds to the queue */ 175001e26b0eSHans de Goede again = ehci_fill_queue(QTAILQ_LAST(&q->packets, pkts_head)); 1751ef5b2344SHans de Goede /* Unfinished async handled packet, go horizontal */ 1752ae0138a8SGerd Hoffmann ehci_set_state(q->ehci, q->async, EST_HORIZONTALQH); 1753adf47834SHans de Goede break; 1754adf47834SHans de Goede case EHCI_ASYNC_FINISHED: 1755cf1f8169SHans de Goede /* 1756cf1f8169SHans de Goede * We get here when advqueue moves to a packet which is already 1757cf1f8169SHans de Goede * finished, which can happen with packets queued up by fill_queue 1758cf1f8169SHans de Goede */ 1759ae0138a8SGerd Hoffmann ehci_set_state(q->ehci, q->async, EST_EXECUTING); 1760adf47834SHans de Goede break; 1761773dc9cdSGerd Hoffmann } 1762287fd3f1SGerd Hoffmann } else { 1763eb36a88eSGerd Hoffmann p = ehci_alloc_packet(q); 1764eb36a88eSGerd Hoffmann p->qtdaddr = q->qtdaddr; 1765eb36a88eSGerd Hoffmann p->qtd = qtd; 1766ae0138a8SGerd Hoffmann ehci_set_state(q->ehci, q->async, EST_EXECUTE); 1767f1ae32a1SGerd Hoffmann } 1768f1ae32a1SGerd Hoffmann 1769f1ae32a1SGerd Hoffmann return again; 1770f1ae32a1SGerd Hoffmann } 1771f1ae32a1SGerd Hoffmann 1772ae0138a8SGerd Hoffmann static int ehci_state_horizqh(EHCIQueue *q) 1773f1ae32a1SGerd Hoffmann { 1774f1ae32a1SGerd Hoffmann int again = 0; 1775f1ae32a1SGerd Hoffmann 1776ae0138a8SGerd Hoffmann if (ehci_get_fetch_addr(q->ehci, q->async) != q->qh.next) { 1777ae0138a8SGerd Hoffmann ehci_set_fetch_addr(q->ehci, q->async, q->qh.next); 1778ae0138a8SGerd Hoffmann ehci_set_state(q->ehci, q->async, EST_FETCHENTRY); 1779f1ae32a1SGerd Hoffmann again = 1; 1780f1ae32a1SGerd Hoffmann } else { 1781ae0138a8SGerd Hoffmann ehci_set_state(q->ehci, q->async, EST_ACTIVE); 1782f1ae32a1SGerd Hoffmann } 1783f1ae32a1SGerd Hoffmann 1784f1ae32a1SGerd Hoffmann return again; 1785f1ae32a1SGerd Hoffmann } 1786f1ae32a1SGerd Hoffmann 178701e26b0eSHans de Goede /* Returns "again" */ 1788eff6dce7SHans de Goede static int ehci_fill_queue(EHCIPacket *p) 1789773dc9cdSGerd Hoffmann { 179036dfe324SHans de Goede USBEndpoint *ep = p->packet.ep; 1791773dc9cdSGerd Hoffmann EHCIQueue *q = p->queue; 1792773dc9cdSGerd Hoffmann EHCIqtd qtd = p->qtd; 1793e3a36bceSHans de Goede uint32_t qtdaddr, start_addr = p->qtdaddr; 1794773dc9cdSGerd Hoffmann 1795773dc9cdSGerd Hoffmann for (;;) { 1796773dc9cdSGerd Hoffmann if (NLPTR_TBIT(qtd.next) != 0) { 1797773dc9cdSGerd Hoffmann break; 1798773dc9cdSGerd Hoffmann } 1799773dc9cdSGerd Hoffmann qtdaddr = qtd.next; 1800e3a36bceSHans de Goede /* 1801e3a36bceSHans de Goede * Detect circular td lists, Windows creates these, counting on the 1802e3a36bceSHans de Goede * active bit going low after execution to make the queue stop. 1803e3a36bceSHans de Goede */ 1804e3a36bceSHans de Goede if (qtdaddr == start_addr) { 1805e3a36bceSHans de Goede break; 1806e3a36bceSHans de Goede } 1807773dc9cdSGerd Hoffmann get_dwords(q->ehci, NLPTR_GET(qtdaddr), 1808773dc9cdSGerd Hoffmann (uint32_t *) &qtd, sizeof(EHCIqtd) >> 2); 1809773dc9cdSGerd Hoffmann ehci_trace_qtd(q, NLPTR_GET(qtdaddr), &qtd); 1810773dc9cdSGerd Hoffmann if (!(qtd.token & QTD_TOKEN_ACTIVE)) { 1811773dc9cdSGerd Hoffmann break; 1812773dc9cdSGerd Hoffmann } 1813773dc9cdSGerd Hoffmann p = ehci_alloc_packet(q); 1814773dc9cdSGerd Hoffmann p->qtdaddr = qtdaddr; 1815773dc9cdSGerd Hoffmann p->qtd = qtd; 181601e26b0eSHans de Goede if (ehci_execute(p, "queue") == -1) { 181701e26b0eSHans de Goede return -1; 1818eff6dce7SHans de Goede } 181901e26b0eSHans de Goede assert(p->packet.status == USB_RET_ASYNC); 1820773dc9cdSGerd Hoffmann p->async = EHCI_ASYNC_INFLIGHT; 1821773dc9cdSGerd Hoffmann } 182236dfe324SHans de Goede usb_device_flush_ep_queue(ep->dev, ep); 182301e26b0eSHans de Goede return 1; 1824773dc9cdSGerd Hoffmann } 1825773dc9cdSGerd Hoffmann 1826ae0138a8SGerd Hoffmann static int ehci_state_execute(EHCIQueue *q) 1827f1ae32a1SGerd Hoffmann { 1828eb36a88eSGerd Hoffmann EHCIPacket *p = QTAILQ_FIRST(&q->packets); 1829f1ae32a1SGerd Hoffmann int again = 0; 1830f1ae32a1SGerd Hoffmann 1831eb36a88eSGerd Hoffmann assert(p != NULL); 1832eb36a88eSGerd Hoffmann assert(p->qtdaddr == q->qtdaddr); 1833eb36a88eSGerd Hoffmann 1834f1ae32a1SGerd Hoffmann if (ehci_qh_do_overlay(q) != 0) { 1835f1ae32a1SGerd Hoffmann return -1; 1836f1ae32a1SGerd Hoffmann } 1837f1ae32a1SGerd Hoffmann 1838f1ae32a1SGerd Hoffmann // TODO verify enough time remains in the uframe as in 4.4.1.1 1839f1ae32a1SGerd Hoffmann // TODO write back ptr to async list when done or out of time 1840f1ae32a1SGerd Hoffmann 1841cae5d3f4SHans de Goede /* 4.10.3, bottom of page 82, go horizontal on transaction counter == 0 */ 1842cae5d3f4SHans de Goede if (!q->async && q->transact_ctr == 0) { 1843ae0138a8SGerd Hoffmann ehci_set_state(q->ehci, q->async, EST_HORIZONTALQH); 1844f1ae32a1SGerd Hoffmann again = 1; 1845f1ae32a1SGerd Hoffmann goto out; 1846f1ae32a1SGerd Hoffmann } 1847f1ae32a1SGerd Hoffmann 1848ae0138a8SGerd Hoffmann if (q->async) { 1849f1ae32a1SGerd Hoffmann ehci_set_usbsts(q->ehci, USBSTS_REC); 1850f1ae32a1SGerd Hoffmann } 1851f1ae32a1SGerd Hoffmann 185201e26b0eSHans de Goede again = ehci_execute(p, "process"); 185301e26b0eSHans de Goede if (again == -1) { 1854f1ae32a1SGerd Hoffmann goto out; 1855f1ae32a1SGerd Hoffmann } 185601e26b0eSHans de Goede if (p->packet.status == USB_RET_ASYNC) { 1857f1ae32a1SGerd Hoffmann ehci_flush_qh(q); 1858773dc9cdSGerd Hoffmann trace_usb_ehci_packet_action(p->queue, p, "async"); 1859eb36a88eSGerd Hoffmann p->async = EHCI_ASYNC_INFLIGHT; 1860ae0138a8SGerd Hoffmann ehci_set_state(q->ehci, q->async, EST_HORIZONTALQH); 1861cae5d3f4SHans de Goede if (q->async) { 186201e26b0eSHans de Goede again = ehci_fill_queue(p); 1863cae5d3f4SHans de Goede } else { 1864cae5d3f4SHans de Goede again = 1; 1865cae5d3f4SHans de Goede } 1866f1ae32a1SGerd Hoffmann goto out; 1867f1ae32a1SGerd Hoffmann } 1868f1ae32a1SGerd Hoffmann 1869ae0138a8SGerd Hoffmann ehci_set_state(q->ehci, q->async, EST_EXECUTING); 1870f1ae32a1SGerd Hoffmann again = 1; 1871f1ae32a1SGerd Hoffmann 1872f1ae32a1SGerd Hoffmann out: 1873f1ae32a1SGerd Hoffmann return again; 1874f1ae32a1SGerd Hoffmann } 1875f1ae32a1SGerd Hoffmann 1876ae0138a8SGerd Hoffmann static int ehci_state_executing(EHCIQueue *q) 1877f1ae32a1SGerd Hoffmann { 1878eb36a88eSGerd Hoffmann EHCIPacket *p = QTAILQ_FIRST(&q->packets); 1879f1ae32a1SGerd Hoffmann 1880eb36a88eSGerd Hoffmann assert(p != NULL); 1881eb36a88eSGerd Hoffmann assert(p->qtdaddr == q->qtdaddr); 1882eb36a88eSGerd Hoffmann 1883f1ae32a1SGerd Hoffmann ehci_execute_complete(q); 1884f1ae32a1SGerd Hoffmann 1885cae5d3f4SHans de Goede /* 4.10.3 */ 1886cae5d3f4SHans de Goede if (!q->async && q->transact_ctr > 0) { 1887cae5d3f4SHans de Goede q->transact_ctr--; 1888f1ae32a1SGerd Hoffmann } 1889f1ae32a1SGerd Hoffmann 1890f1ae32a1SGerd Hoffmann /* 4.10.5 */ 1891e696b1daSHans de Goede if (p->packet.status == USB_RET_NAK) { 1892ae0138a8SGerd Hoffmann ehci_set_state(q->ehci, q->async, EST_HORIZONTALQH); 1893f1ae32a1SGerd Hoffmann } else { 1894ae0138a8SGerd Hoffmann ehci_set_state(q->ehci, q->async, EST_WRITEBACK); 1895f1ae32a1SGerd Hoffmann } 1896f1ae32a1SGerd Hoffmann 1897f1ae32a1SGerd Hoffmann ehci_flush_qh(q); 1898574ef171SHans de Goede return 1; 1899f1ae32a1SGerd Hoffmann } 1900f1ae32a1SGerd Hoffmann 1901f1ae32a1SGerd Hoffmann 1902ae0138a8SGerd Hoffmann static int ehci_state_writeback(EHCIQueue *q) 1903f1ae32a1SGerd Hoffmann { 1904eb36a88eSGerd Hoffmann EHCIPacket *p = QTAILQ_FIRST(&q->packets); 19054ed1c57aSGerd Hoffmann uint32_t *qtd, addr; 1906f1ae32a1SGerd Hoffmann int again = 0; 1907f1ae32a1SGerd Hoffmann 1908f1ae32a1SGerd Hoffmann /* Write back the QTD from the QH area */ 1909eb36a88eSGerd Hoffmann assert(p != NULL); 1910eb36a88eSGerd Hoffmann assert(p->qtdaddr == q->qtdaddr); 1911eb36a88eSGerd Hoffmann 1912eb36a88eSGerd Hoffmann ehci_trace_qtd(q, NLPTR_GET(p->qtdaddr), (EHCIqtd *) &q->qh.next_qtd); 19134ed1c57aSGerd Hoffmann qtd = (uint32_t *) &q->qh.next_qtd; 19144ed1c57aSGerd Hoffmann addr = NLPTR_GET(p->qtdaddr); 19154ed1c57aSGerd Hoffmann put_dwords(q->ehci, addr + 2 * sizeof(uint32_t), qtd + 2, 2); 1916eb36a88eSGerd Hoffmann ehci_free_packet(p); 1917f1ae32a1SGerd Hoffmann 1918f1ae32a1SGerd Hoffmann /* 1919f1ae32a1SGerd Hoffmann * EHCI specs say go horizontal here. 1920f1ae32a1SGerd Hoffmann * 1921f1ae32a1SGerd Hoffmann * We can also advance the queue here for performance reasons. We 1922f1ae32a1SGerd Hoffmann * need to take care to only take that shortcut in case we've 1923f1ae32a1SGerd Hoffmann * processed the qtd just written back without errors, i.e. halt 1924f1ae32a1SGerd Hoffmann * bit is clear. 1925f1ae32a1SGerd Hoffmann */ 1926f1ae32a1SGerd Hoffmann if (q->qh.token & QTD_TOKEN_HALT) { 1927ae0138a8SGerd Hoffmann ehci_set_state(q->ehci, q->async, EST_HORIZONTALQH); 1928f1ae32a1SGerd Hoffmann again = 1; 1929f1ae32a1SGerd Hoffmann } else { 1930ae0138a8SGerd Hoffmann ehci_set_state(q->ehci, q->async, EST_ADVANCEQUEUE); 1931f1ae32a1SGerd Hoffmann again = 1; 1932f1ae32a1SGerd Hoffmann } 1933f1ae32a1SGerd Hoffmann return again; 1934f1ae32a1SGerd Hoffmann } 1935f1ae32a1SGerd Hoffmann 1936f1ae32a1SGerd Hoffmann /* 1937f1ae32a1SGerd Hoffmann * This is the state machine that is common to both async and periodic 1938f1ae32a1SGerd Hoffmann */ 1939f1ae32a1SGerd Hoffmann 1940ae0138a8SGerd Hoffmann static void ehci_advance_state(EHCIState *ehci, int async) 1941f1ae32a1SGerd Hoffmann { 1942f1ae32a1SGerd Hoffmann EHCIQueue *q = NULL; 1943f1ae32a1SGerd Hoffmann int again; 1944f1ae32a1SGerd Hoffmann 1945f1ae32a1SGerd Hoffmann do { 1946f1ae32a1SGerd Hoffmann switch(ehci_get_state(ehci, async)) { 1947f1ae32a1SGerd Hoffmann case EST_WAITLISTHEAD: 1948f1ae32a1SGerd Hoffmann again = ehci_state_waitlisthead(ehci, async); 1949f1ae32a1SGerd Hoffmann break; 1950f1ae32a1SGerd Hoffmann 1951f1ae32a1SGerd Hoffmann case EST_FETCHENTRY: 1952f1ae32a1SGerd Hoffmann again = ehci_state_fetchentry(ehci, async); 1953f1ae32a1SGerd Hoffmann break; 1954f1ae32a1SGerd Hoffmann 1955f1ae32a1SGerd Hoffmann case EST_FETCHQH: 1956f1ae32a1SGerd Hoffmann q = ehci_state_fetchqh(ehci, async); 1957ae0138a8SGerd Hoffmann if (q != NULL) { 1958ae0138a8SGerd Hoffmann assert(q->async == async); 1959ae0138a8SGerd Hoffmann again = 1; 1960ae0138a8SGerd Hoffmann } else { 1961ae0138a8SGerd Hoffmann again = 0; 1962ae0138a8SGerd Hoffmann } 1963f1ae32a1SGerd Hoffmann break; 1964f1ae32a1SGerd Hoffmann 1965f1ae32a1SGerd Hoffmann case EST_FETCHITD: 1966f1ae32a1SGerd Hoffmann again = ehci_state_fetchitd(ehci, async); 1967f1ae32a1SGerd Hoffmann break; 1968f1ae32a1SGerd Hoffmann 1969f1ae32a1SGerd Hoffmann case EST_FETCHSITD: 1970f1ae32a1SGerd Hoffmann again = ehci_state_fetchsitd(ehci, async); 1971f1ae32a1SGerd Hoffmann break; 1972f1ae32a1SGerd Hoffmann 1973f1ae32a1SGerd Hoffmann case EST_ADVANCEQUEUE: 1974ae0138a8SGerd Hoffmann again = ehci_state_advqueue(q); 1975f1ae32a1SGerd Hoffmann break; 1976f1ae32a1SGerd Hoffmann 1977f1ae32a1SGerd Hoffmann case EST_FETCHQTD: 1978ae0138a8SGerd Hoffmann again = ehci_state_fetchqtd(q); 1979f1ae32a1SGerd Hoffmann break; 1980f1ae32a1SGerd Hoffmann 1981f1ae32a1SGerd Hoffmann case EST_HORIZONTALQH: 1982ae0138a8SGerd Hoffmann again = ehci_state_horizqh(q); 1983f1ae32a1SGerd Hoffmann break; 1984f1ae32a1SGerd Hoffmann 1985f1ae32a1SGerd Hoffmann case EST_EXECUTE: 1986ae0138a8SGerd Hoffmann again = ehci_state_execute(q); 19873a215326SGerd Hoffmann if (async) { 19883a215326SGerd Hoffmann ehci->async_stepdown = 0; 19893a215326SGerd Hoffmann } 1990f1ae32a1SGerd Hoffmann break; 1991f1ae32a1SGerd Hoffmann 1992f1ae32a1SGerd Hoffmann case EST_EXECUTING: 1993f1ae32a1SGerd Hoffmann assert(q != NULL); 19943a215326SGerd Hoffmann if (async) { 19953a215326SGerd Hoffmann ehci->async_stepdown = 0; 19963a215326SGerd Hoffmann } 1997ae0138a8SGerd Hoffmann again = ehci_state_executing(q); 1998f1ae32a1SGerd Hoffmann break; 1999f1ae32a1SGerd Hoffmann 2000f1ae32a1SGerd Hoffmann case EST_WRITEBACK: 2001f1ae32a1SGerd Hoffmann assert(q != NULL); 2002ae0138a8SGerd Hoffmann again = ehci_state_writeback(q); 2003f1ae32a1SGerd Hoffmann break; 2004f1ae32a1SGerd Hoffmann 2005f1ae32a1SGerd Hoffmann default: 2006f1ae32a1SGerd Hoffmann fprintf(stderr, "Bad state!\n"); 2007f1ae32a1SGerd Hoffmann again = -1; 2008f1ae32a1SGerd Hoffmann assert(0); 2009f1ae32a1SGerd Hoffmann break; 2010f1ae32a1SGerd Hoffmann } 2011f1ae32a1SGerd Hoffmann 2012f1ae32a1SGerd Hoffmann if (again < 0) { 2013f1ae32a1SGerd Hoffmann fprintf(stderr, "processing error - resetting ehci HC\n"); 2014f1ae32a1SGerd Hoffmann ehci_reset(ehci); 2015f1ae32a1SGerd Hoffmann again = 0; 2016f1ae32a1SGerd Hoffmann } 2017f1ae32a1SGerd Hoffmann } 2018f1ae32a1SGerd Hoffmann while (again); 2019f1ae32a1SGerd Hoffmann } 2020f1ae32a1SGerd Hoffmann 2021f1ae32a1SGerd Hoffmann static void ehci_advance_async_state(EHCIState *ehci) 2022f1ae32a1SGerd Hoffmann { 2023f1ae32a1SGerd Hoffmann const int async = 1; 2024f1ae32a1SGerd Hoffmann 2025f1ae32a1SGerd Hoffmann switch(ehci_get_state(ehci, async)) { 2026f1ae32a1SGerd Hoffmann case EST_INACTIVE: 2027ec807d12SGerd Hoffmann if (!ehci_async_enabled(ehci)) { 2028f1ae32a1SGerd Hoffmann break; 2029f1ae32a1SGerd Hoffmann } 2030f1ae32a1SGerd Hoffmann ehci_set_state(ehci, async, EST_ACTIVE); 2031f1ae32a1SGerd Hoffmann // No break, fall through to ACTIVE 2032f1ae32a1SGerd Hoffmann 2033f1ae32a1SGerd Hoffmann case EST_ACTIVE: 2034ec807d12SGerd Hoffmann if (!ehci_async_enabled(ehci)) { 2035f1ae32a1SGerd Hoffmann ehci_queues_rip_all(ehci, async); 2036f1ae32a1SGerd Hoffmann ehci_set_state(ehci, async, EST_INACTIVE); 2037f1ae32a1SGerd Hoffmann break; 2038f1ae32a1SGerd Hoffmann } 2039f1ae32a1SGerd Hoffmann 2040f1ae32a1SGerd Hoffmann /* make sure guest has acknowledged the doorbell interrupt */ 2041f1ae32a1SGerd Hoffmann /* TO-DO: is this really needed? */ 2042f1ae32a1SGerd Hoffmann if (ehci->usbsts & USBSTS_IAA) { 2043f1ae32a1SGerd Hoffmann DPRINTF("IAA status bit still set.\n"); 2044f1ae32a1SGerd Hoffmann break; 2045f1ae32a1SGerd Hoffmann } 2046f1ae32a1SGerd Hoffmann 2047f1ae32a1SGerd Hoffmann /* check that address register has been set */ 2048f1ae32a1SGerd Hoffmann if (ehci->asynclistaddr == 0) { 2049f1ae32a1SGerd Hoffmann break; 2050f1ae32a1SGerd Hoffmann } 2051f1ae32a1SGerd Hoffmann 2052f1ae32a1SGerd Hoffmann ehci_set_state(ehci, async, EST_WAITLISTHEAD); 2053f1ae32a1SGerd Hoffmann ehci_advance_state(ehci, async); 2054f1ae32a1SGerd Hoffmann 2055f1ae32a1SGerd Hoffmann /* If the doorbell is set, the guest wants to make a change to the 2056f1ae32a1SGerd Hoffmann * schedule. The host controller needs to release cached data. 2057f1ae32a1SGerd Hoffmann * (section 4.8.2) 2058f1ae32a1SGerd Hoffmann */ 2059f1ae32a1SGerd Hoffmann if (ehci->usbcmd & USBCMD_IAAD) { 2060f1ae32a1SGerd Hoffmann /* Remove all unseen qhs from the async qhs queue */ 20618f5457ebSHans de Goede ehci_queues_rip_unseen(ehci, async); 20621defcbd1SGerd Hoffmann trace_usb_ehci_doorbell_ack(); 2063f1ae32a1SGerd Hoffmann ehci->usbcmd &= ~USBCMD_IAAD; 20647efc17afSGerd Hoffmann ehci_raise_irq(ehci, USBSTS_IAA); 2065f1ae32a1SGerd Hoffmann } 2066f1ae32a1SGerd Hoffmann break; 2067f1ae32a1SGerd Hoffmann 2068f1ae32a1SGerd Hoffmann default: 2069f1ae32a1SGerd Hoffmann /* this should only be due to a developer mistake */ 2070f1ae32a1SGerd Hoffmann fprintf(stderr, "ehci: Bad asynchronous state %d. " 2071f1ae32a1SGerd Hoffmann "Resetting to active\n", ehci->astate); 2072f1ae32a1SGerd Hoffmann assert(0); 2073f1ae32a1SGerd Hoffmann } 2074f1ae32a1SGerd Hoffmann } 2075f1ae32a1SGerd Hoffmann 2076f1ae32a1SGerd Hoffmann static void ehci_advance_periodic_state(EHCIState *ehci) 2077f1ae32a1SGerd Hoffmann { 2078f1ae32a1SGerd Hoffmann uint32_t entry; 2079f1ae32a1SGerd Hoffmann uint32_t list; 2080f1ae32a1SGerd Hoffmann const int async = 0; 2081f1ae32a1SGerd Hoffmann 2082f1ae32a1SGerd Hoffmann // 4.6 2083f1ae32a1SGerd Hoffmann 2084f1ae32a1SGerd Hoffmann switch(ehci_get_state(ehci, async)) { 2085f1ae32a1SGerd Hoffmann case EST_INACTIVE: 2086ec807d12SGerd Hoffmann if (!(ehci->frindex & 7) && ehci_periodic_enabled(ehci)) { 2087f1ae32a1SGerd Hoffmann ehci_set_state(ehci, async, EST_ACTIVE); 2088f1ae32a1SGerd Hoffmann // No break, fall through to ACTIVE 2089f1ae32a1SGerd Hoffmann } else 2090f1ae32a1SGerd Hoffmann break; 2091f1ae32a1SGerd Hoffmann 2092f1ae32a1SGerd Hoffmann case EST_ACTIVE: 2093ec807d12SGerd Hoffmann if (!(ehci->frindex & 7) && !ehci_periodic_enabled(ehci)) { 2094f1ae32a1SGerd Hoffmann ehci_queues_rip_all(ehci, async); 2095f1ae32a1SGerd Hoffmann ehci_set_state(ehci, async, EST_INACTIVE); 2096f1ae32a1SGerd Hoffmann break; 2097f1ae32a1SGerd Hoffmann } 2098f1ae32a1SGerd Hoffmann 2099f1ae32a1SGerd Hoffmann list = ehci->periodiclistbase & 0xfffff000; 2100f1ae32a1SGerd Hoffmann /* check that register has been set */ 2101f1ae32a1SGerd Hoffmann if (list == 0) { 2102f1ae32a1SGerd Hoffmann break; 2103f1ae32a1SGerd Hoffmann } 2104f1ae32a1SGerd Hoffmann list |= ((ehci->frindex & 0x1ff8) >> 1); 2105f1ae32a1SGerd Hoffmann 21067ae6ce02SPeter Crosthwaite dma_memory_read(ehci->dma, list, &entry, sizeof entry); 2107f1ae32a1SGerd Hoffmann entry = le32_to_cpu(entry); 2108f1ae32a1SGerd Hoffmann 2109f1ae32a1SGerd Hoffmann DPRINTF("PERIODIC state adv fr=%d. [%08X] -> %08X\n", 2110f1ae32a1SGerd Hoffmann ehci->frindex / 8, list, entry); 2111f1ae32a1SGerd Hoffmann ehci_set_fetch_addr(ehci, async,entry); 2112f1ae32a1SGerd Hoffmann ehci_set_state(ehci, async, EST_FETCHENTRY); 2113f1ae32a1SGerd Hoffmann ehci_advance_state(ehci, async); 21148f5457ebSHans de Goede ehci_queues_rip_unused(ehci, async); 2115f1ae32a1SGerd Hoffmann break; 2116f1ae32a1SGerd Hoffmann 2117f1ae32a1SGerd Hoffmann default: 2118f1ae32a1SGerd Hoffmann /* this should only be due to a developer mistake */ 2119f1ae32a1SGerd Hoffmann fprintf(stderr, "ehci: Bad periodic state %d. " 2120f1ae32a1SGerd Hoffmann "Resetting to active\n", ehci->pstate); 2121f1ae32a1SGerd Hoffmann assert(0); 2122f1ae32a1SGerd Hoffmann } 2123f1ae32a1SGerd Hoffmann } 2124f1ae32a1SGerd Hoffmann 21256ceced0bSGerd Hoffmann static void ehci_update_frindex(EHCIState *ehci, int frames) 21266ceced0bSGerd Hoffmann { 21276ceced0bSGerd Hoffmann int i; 21286ceced0bSGerd Hoffmann 21296ceced0bSGerd Hoffmann if (!ehci_enabled(ehci)) { 21306ceced0bSGerd Hoffmann return; 21316ceced0bSGerd Hoffmann } 21326ceced0bSGerd Hoffmann 21336ceced0bSGerd Hoffmann for (i = 0; i < frames; i++) { 21346ceced0bSGerd Hoffmann ehci->frindex += 8; 21356ceced0bSGerd Hoffmann 21366ceced0bSGerd Hoffmann if (ehci->frindex == 0x00002000) { 21377efc17afSGerd Hoffmann ehci_raise_irq(ehci, USBSTS_FLR); 21386ceced0bSGerd Hoffmann } 21396ceced0bSGerd Hoffmann 21406ceced0bSGerd Hoffmann if (ehci->frindex == 0x00004000) { 21417efc17afSGerd Hoffmann ehci_raise_irq(ehci, USBSTS_FLR); 21426ceced0bSGerd Hoffmann ehci->frindex = 0; 2143ffa1f2e0SHans de Goede if (ehci->usbsts_frindex >= 0x00004000) { 21447efc17afSGerd Hoffmann ehci->usbsts_frindex -= 0x00004000; 21457efc17afSGerd Hoffmann } else { 21467efc17afSGerd Hoffmann ehci->usbsts_frindex = 0; 21477efc17afSGerd Hoffmann } 21486ceced0bSGerd Hoffmann } 21496ceced0bSGerd Hoffmann } 21506ceced0bSGerd Hoffmann } 21516ceced0bSGerd Hoffmann 2152f1ae32a1SGerd Hoffmann static void ehci_frame_timer(void *opaque) 2153f1ae32a1SGerd Hoffmann { 2154f1ae32a1SGerd Hoffmann EHCIState *ehci = opaque; 21557efc17afSGerd Hoffmann int need_timer = 0; 2156f1ae32a1SGerd Hoffmann int64_t expire_time, t_now; 2157f1ae32a1SGerd Hoffmann uint64_t ns_elapsed; 2158f020ed36SGerd Hoffmann int frames, skipped_frames; 2159f1ae32a1SGerd Hoffmann int i; 2160f1ae32a1SGerd Hoffmann 2161f1ae32a1SGerd Hoffmann t_now = qemu_get_clock_ns(vm_clock); 2162f1ae32a1SGerd Hoffmann ns_elapsed = t_now - ehci->last_run_ns; 2163f1ae32a1SGerd Hoffmann frames = ns_elapsed / FRAME_TIMER_NS; 2164f1ae32a1SGerd Hoffmann 21653a215326SGerd Hoffmann if (ehci_periodic_enabled(ehci) || ehci->pstate != EST_INACTIVE) { 21667efc17afSGerd Hoffmann need_timer++; 2167afb7a0b8SGerd Hoffmann ehci->async_stepdown = 0; 21683a215326SGerd Hoffmann 2169f020ed36SGerd Hoffmann if (frames > ehci->maxframes) { 2170f020ed36SGerd Hoffmann skipped_frames = frames - ehci->maxframes; 2171f020ed36SGerd Hoffmann ehci_update_frindex(ehci, skipped_frames); 2172f020ed36SGerd Hoffmann ehci->last_run_ns += FRAME_TIMER_NS * skipped_frames; 2173f020ed36SGerd Hoffmann frames -= skipped_frames; 2174f020ed36SGerd Hoffmann DPRINTF("WARNING - EHCI skipped %d frames\n", skipped_frames); 2175f1ae32a1SGerd Hoffmann } 2176f1ae32a1SGerd Hoffmann 2177f020ed36SGerd Hoffmann for (i = 0; i < frames; i++) { 21788f74ed1eSHans de Goede /* 21798f74ed1eSHans de Goede * If we're running behind schedule, we should not catch up 21808f74ed1eSHans de Goede * too fast, as that will make some guests unhappy: 21818f74ed1eSHans de Goede * 1) We must process a minimum of MIN_FR_PER_TICK frames, 21828f74ed1eSHans de Goede * otherwise we will never catch up 21838f74ed1eSHans de Goede * 2) Process frames until the guest has requested an irq (IOC) 21848f74ed1eSHans de Goede */ 21858f74ed1eSHans de Goede if (i >= MIN_FR_PER_TICK) { 21868f74ed1eSHans de Goede ehci_commit_irq(ehci); 21878f74ed1eSHans de Goede if ((ehci->usbsts & USBINTR_MASK) & ehci->usbintr) { 21888f74ed1eSHans de Goede break; 21898f74ed1eSHans de Goede } 21908f74ed1eSHans de Goede } 2191f020ed36SGerd Hoffmann ehci_update_frindex(ehci, 1); 2192f020ed36SGerd Hoffmann ehci_advance_periodic_state(ehci); 2193f1ae32a1SGerd Hoffmann ehci->last_run_ns += FRAME_TIMER_NS; 2194f1ae32a1SGerd Hoffmann } 21953a215326SGerd Hoffmann } else { 21963a215326SGerd Hoffmann if (ehci->async_stepdown < ehci->maxframes / 2) { 21973a215326SGerd Hoffmann ehci->async_stepdown++; 21983a215326SGerd Hoffmann } 21993a215326SGerd Hoffmann ehci_update_frindex(ehci, frames); 22003a215326SGerd Hoffmann ehci->last_run_ns += FRAME_TIMER_NS * frames; 22013a215326SGerd Hoffmann } 2202f1ae32a1SGerd Hoffmann 2203f1ae32a1SGerd Hoffmann /* Async is not inside loop since it executes everything it can once 2204f1ae32a1SGerd Hoffmann * called 2205f1ae32a1SGerd Hoffmann */ 22063a215326SGerd Hoffmann if (ehci_async_enabled(ehci) || ehci->astate != EST_INACTIVE) { 22077efc17afSGerd Hoffmann need_timer++; 2208afb7a0b8SGerd Hoffmann ehci_advance_async_state(ehci); 22093a215326SGerd Hoffmann } 2210f1ae32a1SGerd Hoffmann 22117efc17afSGerd Hoffmann ehci_commit_irq(ehci); 22127efc17afSGerd Hoffmann if (ehci->usbsts_pending) { 22137efc17afSGerd Hoffmann need_timer++; 22147efc17afSGerd Hoffmann ehci->async_stepdown = 0; 2215f1ae32a1SGerd Hoffmann } 2216f0ad01f9SGerd Hoffmann 22177efc17afSGerd Hoffmann if (need_timer) { 221844272b0fSHans de Goede /* If we've raised int, we speed up the timer, so that we quickly 221944272b0fSHans de Goede * notice any new packets queued up in response */ 222044272b0fSHans de Goede if (ehci->int_req_by_async && (ehci->usbsts & USBSTS_INT)) { 222144272b0fSHans de Goede expire_time = t_now + get_ticks_per_sec() / (FRAME_TIMER_FREQ * 2); 222244272b0fSHans de Goede ehci->int_req_by_async = false; 222344272b0fSHans de Goede } else { 2224afb7a0b8SGerd Hoffmann expire_time = t_now + (get_ticks_per_sec() 2225afb7a0b8SGerd Hoffmann * (ehci->async_stepdown+1) / FRAME_TIMER_FREQ); 222644272b0fSHans de Goede } 22277efc17afSGerd Hoffmann qemu_mod_timer(ehci->frame_timer, expire_time); 22287efc17afSGerd Hoffmann } 2229daf25307SGerd Hoffmann } 2230f1ae32a1SGerd Hoffmann 22313e4f910cSGerd Hoffmann static const MemoryRegionOps ehci_mmio_caps_ops = { 22323e4f910cSGerd Hoffmann .read = ehci_caps_read, 22333e4f910cSGerd Hoffmann .valid.min_access_size = 1, 22343e4f910cSGerd Hoffmann .valid.max_access_size = 4, 22353e4f910cSGerd Hoffmann .impl.min_access_size = 1, 22363e4f910cSGerd Hoffmann .impl.max_access_size = 1, 22373e4f910cSGerd Hoffmann .endianness = DEVICE_LITTLE_ENDIAN, 22383e4f910cSGerd Hoffmann }; 22393e4f910cSGerd Hoffmann 22403e4f910cSGerd Hoffmann static const MemoryRegionOps ehci_mmio_opreg_ops = { 22413e4f910cSGerd Hoffmann .read = ehci_opreg_read, 22423e4f910cSGerd Hoffmann .write = ehci_opreg_write, 22433e4f910cSGerd Hoffmann .valid.min_access_size = 4, 22443e4f910cSGerd Hoffmann .valid.max_access_size = 4, 22453e4f910cSGerd Hoffmann .endianness = DEVICE_LITTLE_ENDIAN, 22463e4f910cSGerd Hoffmann }; 22473e4f910cSGerd Hoffmann 22483e4f910cSGerd Hoffmann static const MemoryRegionOps ehci_mmio_port_ops = { 22493e4f910cSGerd Hoffmann .read = ehci_port_read, 22503e4f910cSGerd Hoffmann .write = ehci_port_write, 22513e4f910cSGerd Hoffmann .valid.min_access_size = 4, 22523e4f910cSGerd Hoffmann .valid.max_access_size = 4, 2253f1ae32a1SGerd Hoffmann .endianness = DEVICE_LITTLE_ENDIAN, 2254f1ae32a1SGerd Hoffmann }; 2255f1ae32a1SGerd Hoffmann 2256f1ae32a1SGerd Hoffmann static USBPortOps ehci_port_ops = { 2257f1ae32a1SGerd Hoffmann .attach = ehci_attach, 2258f1ae32a1SGerd Hoffmann .detach = ehci_detach, 2259f1ae32a1SGerd Hoffmann .child_detach = ehci_child_detach, 2260f1ae32a1SGerd Hoffmann .wakeup = ehci_wakeup, 2261f1ae32a1SGerd Hoffmann .complete = ehci_async_complete_packet, 2262f1ae32a1SGerd Hoffmann }; 2263f1ae32a1SGerd Hoffmann 2264f1ae32a1SGerd Hoffmann static USBBusOps ehci_bus_ops = { 2265f1ae32a1SGerd Hoffmann .register_companion = ehci_register_companion, 2266f1ae32a1SGerd Hoffmann }; 2267f1ae32a1SGerd Hoffmann 22689a773408SGerd Hoffmann static int usb_ehci_post_load(void *opaque, int version_id) 22699a773408SGerd Hoffmann { 22709a773408SGerd Hoffmann EHCIState *s = opaque; 22719a773408SGerd Hoffmann int i; 22729a773408SGerd Hoffmann 22739a773408SGerd Hoffmann for (i = 0; i < NB_PORTS; i++) { 22749a773408SGerd Hoffmann USBPort *companion = s->companion_ports[i]; 22759a773408SGerd Hoffmann if (companion == NULL) { 22769a773408SGerd Hoffmann continue; 22779a773408SGerd Hoffmann } 22789a773408SGerd Hoffmann if (s->portsc[i] & PORTSC_POWNER) { 22799a773408SGerd Hoffmann companion->dev = s->ports[i].dev; 22809a773408SGerd Hoffmann } else { 22819a773408SGerd Hoffmann companion->dev = NULL; 22829a773408SGerd Hoffmann } 22839a773408SGerd Hoffmann } 22849a773408SGerd Hoffmann 22859a773408SGerd Hoffmann return 0; 22869a773408SGerd Hoffmann } 22879a773408SGerd Hoffmann 2288ceab6f96SHans de Goede static void usb_ehci_vm_state_change(void *opaque, int running, RunState state) 2289ceab6f96SHans de Goede { 2290ceab6f96SHans de Goede EHCIState *ehci = opaque; 2291ceab6f96SHans de Goede 2292ceab6f96SHans de Goede /* 2293ceab6f96SHans de Goede * We don't migrate the EHCIQueue-s, instead we rebuild them for the 2294ceab6f96SHans de Goede * schedule in guest memory. We must do the rebuilt ASAP, so that 2295ceab6f96SHans de Goede * USB-devices which have async handled packages have a packet in the 2296ceab6f96SHans de Goede * ep queue to match the completion with. 2297ceab6f96SHans de Goede */ 2298ceab6f96SHans de Goede if (state == RUN_STATE_RUNNING) { 2299ceab6f96SHans de Goede ehci_advance_async_state(ehci); 2300ceab6f96SHans de Goede } 2301ceab6f96SHans de Goede 2302ceab6f96SHans de Goede /* 2303ceab6f96SHans de Goede * The schedule rebuilt from guest memory could cause the migration dest 2304ceab6f96SHans de Goede * to miss a QH unlink, and fail to cancel packets, since the unlinked QH 2305ceab6f96SHans de Goede * will never have existed on the destination. Therefor we must flush the 2306ceab6f96SHans de Goede * async schedule on savevm to catch any not yet noticed unlinks. 2307ceab6f96SHans de Goede */ 2308ceab6f96SHans de Goede if (state == RUN_STATE_SAVE_VM) { 2309ceab6f96SHans de Goede ehci_advance_async_state(ehci); 2310ceab6f96SHans de Goede ehci_queues_rip_unseen(ehci, 1); 2311ceab6f96SHans de Goede } 2312ceab6f96SHans de Goede } 2313ceab6f96SHans de Goede 23140bf96f94SGerd Hoffmann const VMStateDescription vmstate_ehci = { 23155010d4dcSPeter Crosthwaite .name = "ehci-core", 23166d3b6d3dSGerd Hoffmann .version_id = 2, 23176d3b6d3dSGerd Hoffmann .minimum_version_id = 1, 23189a773408SGerd Hoffmann .post_load = usb_ehci_post_load, 23199a773408SGerd Hoffmann .fields = (VMStateField[]) { 23209a773408SGerd Hoffmann /* mmio registers */ 23219a773408SGerd Hoffmann VMSTATE_UINT32(usbcmd, EHCIState), 23229a773408SGerd Hoffmann VMSTATE_UINT32(usbsts, EHCIState), 23236d3b6d3dSGerd Hoffmann VMSTATE_UINT32_V(usbsts_pending, EHCIState, 2), 23246d3b6d3dSGerd Hoffmann VMSTATE_UINT32_V(usbsts_frindex, EHCIState, 2), 23259a773408SGerd Hoffmann VMSTATE_UINT32(usbintr, EHCIState), 23269a773408SGerd Hoffmann VMSTATE_UINT32(frindex, EHCIState), 23279a773408SGerd Hoffmann VMSTATE_UINT32(ctrldssegment, EHCIState), 23289a773408SGerd Hoffmann VMSTATE_UINT32(periodiclistbase, EHCIState), 23299a773408SGerd Hoffmann VMSTATE_UINT32(asynclistaddr, EHCIState), 23309a773408SGerd Hoffmann VMSTATE_UINT32(configflag, EHCIState), 23319a773408SGerd Hoffmann VMSTATE_UINT32(portsc[0], EHCIState), 23329a773408SGerd Hoffmann VMSTATE_UINT32(portsc[1], EHCIState), 23339a773408SGerd Hoffmann VMSTATE_UINT32(portsc[2], EHCIState), 23349a773408SGerd Hoffmann VMSTATE_UINT32(portsc[3], EHCIState), 23359a773408SGerd Hoffmann VMSTATE_UINT32(portsc[4], EHCIState), 23369a773408SGerd Hoffmann VMSTATE_UINT32(portsc[5], EHCIState), 23379a773408SGerd Hoffmann /* frame timer */ 23389a773408SGerd Hoffmann VMSTATE_TIMER(frame_timer, EHCIState), 23399a773408SGerd Hoffmann VMSTATE_UINT64(last_run_ns, EHCIState), 23409a773408SGerd Hoffmann VMSTATE_UINT32(async_stepdown, EHCIState), 23419a773408SGerd Hoffmann /* schedule state */ 23429a773408SGerd Hoffmann VMSTATE_UINT32(astate, EHCIState), 23439a773408SGerd Hoffmann VMSTATE_UINT32(pstate, EHCIState), 23449a773408SGerd Hoffmann VMSTATE_UINT32(a_fetch_addr, EHCIState), 23459a773408SGerd Hoffmann VMSTATE_UINT32(p_fetch_addr, EHCIState), 23469a773408SGerd Hoffmann VMSTATE_END_OF_LIST() 23479a773408SGerd Hoffmann } 2348f1ae32a1SGerd Hoffmann }; 2349f1ae32a1SGerd Hoffmann 23500bf96f94SGerd Hoffmann void usb_ehci_initfn(EHCIState *s, DeviceState *dev) 2351f1ae32a1SGerd Hoffmann { 2352f1ae32a1SGerd Hoffmann int i; 2353f1ae32a1SGerd Hoffmann 23543e4f910cSGerd Hoffmann /* 2.2 host controller interface version */ 235527a11324SPeter Crosthwaite s->caps[0x00] = (uint8_t)(s->opregbase - s->capsbase); 23563e4f910cSGerd Hoffmann s->caps[0x01] = 0x00; 23573e4f910cSGerd Hoffmann s->caps[0x02] = 0x00; 23583e4f910cSGerd Hoffmann s->caps[0x03] = 0x01; /* HC version */ 23593e4f910cSGerd Hoffmann s->caps[0x04] = NB_PORTS; /* Number of downstream ports */ 23603e4f910cSGerd Hoffmann s->caps[0x05] = 0x00; /* No companion ports at present */ 23613e4f910cSGerd Hoffmann s->caps[0x06] = 0x00; 23623e4f910cSGerd Hoffmann s->caps[0x07] = 0x00; 23633e4f910cSGerd Hoffmann s->caps[0x08] = 0x80; /* We can cache whole frame, no 64-bit */ 23643e4f910cSGerd Hoffmann s->caps[0x0a] = 0x00; 23653e4f910cSGerd Hoffmann s->caps[0x0b] = 0x00; 2366f1ae32a1SGerd Hoffmann 23675010d4dcSPeter Crosthwaite usb_bus_new(&s->bus, &ehci_bus_ops, dev); 2368f1ae32a1SGerd Hoffmann for(i = 0; i < NB_PORTS; i++) { 2369f1ae32a1SGerd Hoffmann usb_register_port(&s->bus, &s->ports[i], s, i, &ehci_port_ops, 2370f1ae32a1SGerd Hoffmann USB_SPEED_MASK_HIGH); 2371f1ae32a1SGerd Hoffmann s->ports[i].dev = 0; 2372f1ae32a1SGerd Hoffmann } 2373f1ae32a1SGerd Hoffmann 2374f1ae32a1SGerd Hoffmann s->frame_timer = qemu_new_timer_ns(vm_clock, ehci_frame_timer, s); 23750262f65aSHans de Goede s->async_bh = qemu_bh_new(ehci_frame_timer, s); 2376f1ae32a1SGerd Hoffmann QTAILQ_INIT(&s->aqueues); 2377f1ae32a1SGerd Hoffmann QTAILQ_INIT(&s->pqueues); 23787341ea07SHans de Goede usb_packet_init(&s->ipacket); 2379f1ae32a1SGerd Hoffmann 2380f1ae32a1SGerd Hoffmann qemu_register_reset(ehci_reset, s); 2381ceab6f96SHans de Goede qemu_add_vm_change_state_handler(usb_ehci_vm_state_change, s); 2382f1ae32a1SGerd Hoffmann 23833e4f910cSGerd Hoffmann memory_region_init(&s->mem, "ehci", MMIO_SIZE); 23843e4f910cSGerd Hoffmann memory_region_init_io(&s->mem_caps, &ehci_mmio_caps_ops, s, 238527a11324SPeter Crosthwaite "capabilities", CAPA_SIZE); 23863e4f910cSGerd Hoffmann memory_region_init_io(&s->mem_opreg, &ehci_mmio_opreg_ops, s, 238727a11324SPeter Crosthwaite "operational", PORTSC_BEGIN); 23883e4f910cSGerd Hoffmann memory_region_init_io(&s->mem_ports, &ehci_mmio_port_ops, s, 23893e4f910cSGerd Hoffmann "ports", PORTSC_END - PORTSC_BEGIN); 23903e4f910cSGerd Hoffmann 239127a11324SPeter Crosthwaite memory_region_add_subregion(&s->mem, s->capsbase, &s->mem_caps); 239227a11324SPeter Crosthwaite memory_region_add_subregion(&s->mem, s->opregbase, &s->mem_opreg); 239327a11324SPeter Crosthwaite memory_region_add_subregion(&s->mem, s->opregbase + PORTSC_BEGIN, 239427a11324SPeter Crosthwaite &s->mem_ports); 23955010d4dcSPeter Crosthwaite } 23963e4f910cSGerd Hoffmann 2397f1ae32a1SGerd Hoffmann /* 2398f1ae32a1SGerd Hoffmann * vim: expandtab ts=4 2399f1ae32a1SGerd Hoffmann */ 2400