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 30f1ae32a1SGerd Hoffmann #include "hw/hw.h" 31f1ae32a1SGerd Hoffmann #include "qemu-timer.h" 32f1ae32a1SGerd Hoffmann #include "hw/usb.h" 33f1ae32a1SGerd Hoffmann #include "hw/pci.h" 34f1ae32a1SGerd Hoffmann #include "monitor.h" 35f1ae32a1SGerd Hoffmann #include "trace.h" 36f1ae32a1SGerd Hoffmann #include "dma.h" 37ceab6f96SHans de Goede #include "sysemu.h" 38f1ae32a1SGerd Hoffmann 39f1ae32a1SGerd Hoffmann #define EHCI_DEBUG 0 40f1ae32a1SGerd Hoffmann 41f1ae32a1SGerd Hoffmann #if EHCI_DEBUG 42f1ae32a1SGerd Hoffmann #define DPRINTF printf 43f1ae32a1SGerd Hoffmann #else 44f1ae32a1SGerd Hoffmann #define DPRINTF(...) 45f1ae32a1SGerd Hoffmann #endif 46f1ae32a1SGerd Hoffmann 47f1ae32a1SGerd Hoffmann /* internal processing - reset HC to try and recover */ 48f1ae32a1SGerd Hoffmann #define USB_RET_PROCERR (-99) 49f1ae32a1SGerd Hoffmann 50f1ae32a1SGerd Hoffmann #define MMIO_SIZE 0x1000 51f1ae32a1SGerd Hoffmann 52f1ae32a1SGerd Hoffmann /* Capability Registers Base Address - section 2.2 */ 53f1ae32a1SGerd Hoffmann #define CAPREGBASE 0x0000 54f1ae32a1SGerd Hoffmann #define CAPLENGTH CAPREGBASE + 0x0000 // 1-byte, 0x0001 reserved 55f1ae32a1SGerd Hoffmann #define HCIVERSION CAPREGBASE + 0x0002 // 2-bytes, i/f version # 56f1ae32a1SGerd Hoffmann #define HCSPARAMS CAPREGBASE + 0x0004 // 4-bytes, structural params 57f1ae32a1SGerd Hoffmann #define HCCPARAMS CAPREGBASE + 0x0008 // 4-bytes, capability params 58f1ae32a1SGerd Hoffmann #define EECP HCCPARAMS + 1 59f1ae32a1SGerd Hoffmann #define HCSPPORTROUTE1 CAPREGBASE + 0x000c 60f1ae32a1SGerd Hoffmann #define HCSPPORTROUTE2 CAPREGBASE + 0x0010 61f1ae32a1SGerd Hoffmann 62f1ae32a1SGerd Hoffmann #define OPREGBASE 0x0020 // Operational Registers Base Address 63f1ae32a1SGerd Hoffmann 64f1ae32a1SGerd Hoffmann #define USBCMD OPREGBASE + 0x0000 65f1ae32a1SGerd Hoffmann #define USBCMD_RUNSTOP (1 << 0) // run / Stop 66f1ae32a1SGerd Hoffmann #define USBCMD_HCRESET (1 << 1) // HC Reset 67f1ae32a1SGerd Hoffmann #define USBCMD_FLS (3 << 2) // Frame List Size 68f1ae32a1SGerd Hoffmann #define USBCMD_FLS_SH 2 // Frame List Size Shift 69f1ae32a1SGerd Hoffmann #define USBCMD_PSE (1 << 4) // Periodic Schedule Enable 70f1ae32a1SGerd Hoffmann #define USBCMD_ASE (1 << 5) // Asynch Schedule Enable 71f1ae32a1SGerd Hoffmann #define USBCMD_IAAD (1 << 6) // Int Asynch Advance Doorbell 72f1ae32a1SGerd Hoffmann #define USBCMD_LHCR (1 << 7) // Light Host Controller Reset 73f1ae32a1SGerd Hoffmann #define USBCMD_ASPMC (3 << 8) // Async Sched Park Mode Count 74f1ae32a1SGerd Hoffmann #define USBCMD_ASPME (1 << 11) // Async Sched Park Mode Enable 75f1ae32a1SGerd Hoffmann #define USBCMD_ITC (0x7f << 16) // Int Threshold Control 76f1ae32a1SGerd Hoffmann #define USBCMD_ITC_SH 16 // Int Threshold Control Shift 77f1ae32a1SGerd Hoffmann 78f1ae32a1SGerd Hoffmann #define USBSTS OPREGBASE + 0x0004 79f1ae32a1SGerd Hoffmann #define USBSTS_RO_MASK 0x0000003f 80f1ae32a1SGerd Hoffmann #define USBSTS_INT (1 << 0) // USB Interrupt 81f1ae32a1SGerd Hoffmann #define USBSTS_ERRINT (1 << 1) // Error Interrupt 82f1ae32a1SGerd Hoffmann #define USBSTS_PCD (1 << 2) // Port Change Detect 83f1ae32a1SGerd Hoffmann #define USBSTS_FLR (1 << 3) // Frame List Rollover 84f1ae32a1SGerd Hoffmann #define USBSTS_HSE (1 << 4) // Host System Error 85f1ae32a1SGerd Hoffmann #define USBSTS_IAA (1 << 5) // Interrupt on Async Advance 86f1ae32a1SGerd Hoffmann #define USBSTS_HALT (1 << 12) // HC Halted 87f1ae32a1SGerd Hoffmann #define USBSTS_REC (1 << 13) // Reclamation 88f1ae32a1SGerd Hoffmann #define USBSTS_PSS (1 << 14) // Periodic Schedule Status 89f1ae32a1SGerd Hoffmann #define USBSTS_ASS (1 << 15) // Asynchronous Schedule Status 90f1ae32a1SGerd Hoffmann 91f1ae32a1SGerd Hoffmann /* 92f1ae32a1SGerd Hoffmann * Interrupt enable bits correspond to the interrupt active bits in USBSTS 93f1ae32a1SGerd Hoffmann * so no need to redefine here. 94f1ae32a1SGerd Hoffmann */ 95f1ae32a1SGerd Hoffmann #define USBINTR OPREGBASE + 0x0008 96f1ae32a1SGerd Hoffmann #define USBINTR_MASK 0x0000003f 97f1ae32a1SGerd Hoffmann 98f1ae32a1SGerd Hoffmann #define FRINDEX OPREGBASE + 0x000c 99f1ae32a1SGerd Hoffmann #define CTRLDSSEGMENT OPREGBASE + 0x0010 100f1ae32a1SGerd Hoffmann #define PERIODICLISTBASE OPREGBASE + 0x0014 101f1ae32a1SGerd Hoffmann #define ASYNCLISTADDR OPREGBASE + 0x0018 102f1ae32a1SGerd Hoffmann #define ASYNCLISTADDR_MASK 0xffffffe0 103f1ae32a1SGerd Hoffmann 104f1ae32a1SGerd Hoffmann #define CONFIGFLAG OPREGBASE + 0x0040 105f1ae32a1SGerd Hoffmann 106f1ae32a1SGerd Hoffmann #define PORTSC (OPREGBASE + 0x0044) 107f1ae32a1SGerd Hoffmann #define PORTSC_BEGIN PORTSC 108f1ae32a1SGerd Hoffmann #define PORTSC_END (PORTSC + 4 * NB_PORTS) 109f1ae32a1SGerd Hoffmann /* 110f1ae32a1SGerd Hoffmann * Bits that are reserved or are read-only are masked out of values 111f1ae32a1SGerd Hoffmann * written to us by software 112f1ae32a1SGerd Hoffmann */ 113f1ae32a1SGerd Hoffmann #define PORTSC_RO_MASK 0x007001c0 114f1ae32a1SGerd Hoffmann #define PORTSC_RWC_MASK 0x0000002a 115f1ae32a1SGerd Hoffmann #define PORTSC_WKOC_E (1 << 22) // Wake on Over Current Enable 116f1ae32a1SGerd Hoffmann #define PORTSC_WKDS_E (1 << 21) // Wake on Disconnect Enable 117f1ae32a1SGerd Hoffmann #define PORTSC_WKCN_E (1 << 20) // Wake on Connect Enable 118f1ae32a1SGerd Hoffmann #define PORTSC_PTC (15 << 16) // Port Test Control 119f1ae32a1SGerd Hoffmann #define PORTSC_PTC_SH 16 // Port Test Control shift 120f1ae32a1SGerd Hoffmann #define PORTSC_PIC (3 << 14) // Port Indicator Control 121f1ae32a1SGerd Hoffmann #define PORTSC_PIC_SH 14 // Port Indicator Control Shift 122f1ae32a1SGerd Hoffmann #define PORTSC_POWNER (1 << 13) // Port Owner 123f1ae32a1SGerd Hoffmann #define PORTSC_PPOWER (1 << 12) // Port Power 124f1ae32a1SGerd Hoffmann #define PORTSC_LINESTAT (3 << 10) // Port Line Status 125f1ae32a1SGerd Hoffmann #define PORTSC_LINESTAT_SH 10 // Port Line Status Shift 126f1ae32a1SGerd Hoffmann #define PORTSC_PRESET (1 << 8) // Port Reset 127f1ae32a1SGerd Hoffmann #define PORTSC_SUSPEND (1 << 7) // Port Suspend 128f1ae32a1SGerd Hoffmann #define PORTSC_FPRES (1 << 6) // Force Port Resume 129f1ae32a1SGerd Hoffmann #define PORTSC_OCC (1 << 5) // Over Current Change 130f1ae32a1SGerd Hoffmann #define PORTSC_OCA (1 << 4) // Over Current Active 131f1ae32a1SGerd Hoffmann #define PORTSC_PEDC (1 << 3) // Port Enable/Disable Change 132f1ae32a1SGerd Hoffmann #define PORTSC_PED (1 << 2) // Port Enable/Disable 133f1ae32a1SGerd Hoffmann #define PORTSC_CSC (1 << 1) // Connect Status Change 134f1ae32a1SGerd Hoffmann #define PORTSC_CONNECT (1 << 0) // Current Connect Status 135f1ae32a1SGerd Hoffmann 136f1ae32a1SGerd Hoffmann #define FRAME_TIMER_FREQ 1000 137f1ae32a1SGerd Hoffmann #define FRAME_TIMER_NS (1000000000 / FRAME_TIMER_FREQ) 138f1ae32a1SGerd Hoffmann 139f1ae32a1SGerd Hoffmann #define NB_MAXINTRATE 8 // Max rate at which controller issues ints 140f1ae32a1SGerd Hoffmann #define NB_PORTS 6 // Number of downstream ports 141f1ae32a1SGerd Hoffmann #define BUFF_SIZE 5*4096 // Max bytes to transfer per transaction 142f1ae32a1SGerd Hoffmann #define MAX_QH 100 // Max allowable queue heads in a chain 1438f74ed1eSHans de Goede #define MIN_FR_PER_TICK 3 // Min frames to process when catching up 144f1ae32a1SGerd Hoffmann 145f1ae32a1SGerd Hoffmann /* Internal periodic / asynchronous schedule state machine states 146f1ae32a1SGerd Hoffmann */ 147f1ae32a1SGerd Hoffmann typedef enum { 148f1ae32a1SGerd Hoffmann EST_INACTIVE = 1000, 149f1ae32a1SGerd Hoffmann EST_ACTIVE, 150f1ae32a1SGerd Hoffmann EST_EXECUTING, 151f1ae32a1SGerd Hoffmann EST_SLEEPING, 152f1ae32a1SGerd Hoffmann /* The following states are internal to the state machine function 153f1ae32a1SGerd Hoffmann */ 154f1ae32a1SGerd Hoffmann EST_WAITLISTHEAD, 155f1ae32a1SGerd Hoffmann EST_FETCHENTRY, 156f1ae32a1SGerd Hoffmann EST_FETCHQH, 157f1ae32a1SGerd Hoffmann EST_FETCHITD, 158f1ae32a1SGerd Hoffmann EST_FETCHSITD, 159f1ae32a1SGerd Hoffmann EST_ADVANCEQUEUE, 160f1ae32a1SGerd Hoffmann EST_FETCHQTD, 161f1ae32a1SGerd Hoffmann EST_EXECUTE, 162f1ae32a1SGerd Hoffmann EST_WRITEBACK, 163f1ae32a1SGerd Hoffmann EST_HORIZONTALQH 164f1ae32a1SGerd Hoffmann } EHCI_STATES; 165f1ae32a1SGerd Hoffmann 166f1ae32a1SGerd Hoffmann /* macros for accessing fields within next link pointer entry */ 167f1ae32a1SGerd Hoffmann #define NLPTR_GET(x) ((x) & 0xffffffe0) 168f1ae32a1SGerd Hoffmann #define NLPTR_TYPE_GET(x) (((x) >> 1) & 3) 169f1ae32a1SGerd Hoffmann #define NLPTR_TBIT(x) ((x) & 1) // 1=invalid, 0=valid 170f1ae32a1SGerd Hoffmann 171f1ae32a1SGerd Hoffmann /* link pointer types */ 172f1ae32a1SGerd Hoffmann #define NLPTR_TYPE_ITD 0 // isoc xfer descriptor 173f1ae32a1SGerd Hoffmann #define NLPTR_TYPE_QH 1 // queue head 174f1ae32a1SGerd Hoffmann #define NLPTR_TYPE_STITD 2 // split xaction, isoc xfer descriptor 175f1ae32a1SGerd Hoffmann #define NLPTR_TYPE_FSTN 3 // frame span traversal node 176f1ae32a1SGerd Hoffmann 177f1ae32a1SGerd Hoffmann 178f1ae32a1SGerd Hoffmann /* EHCI spec version 1.0 Section 3.3 179f1ae32a1SGerd Hoffmann */ 180f1ae32a1SGerd Hoffmann typedef struct EHCIitd { 181f1ae32a1SGerd Hoffmann uint32_t next; 182f1ae32a1SGerd Hoffmann 183f1ae32a1SGerd Hoffmann uint32_t transact[8]; 184f1ae32a1SGerd Hoffmann #define ITD_XACT_ACTIVE (1 << 31) 185f1ae32a1SGerd Hoffmann #define ITD_XACT_DBERROR (1 << 30) 186f1ae32a1SGerd Hoffmann #define ITD_XACT_BABBLE (1 << 29) 187f1ae32a1SGerd Hoffmann #define ITD_XACT_XACTERR (1 << 28) 188f1ae32a1SGerd Hoffmann #define ITD_XACT_LENGTH_MASK 0x0fff0000 189f1ae32a1SGerd Hoffmann #define ITD_XACT_LENGTH_SH 16 190f1ae32a1SGerd Hoffmann #define ITD_XACT_IOC (1 << 15) 191f1ae32a1SGerd Hoffmann #define ITD_XACT_PGSEL_MASK 0x00007000 192f1ae32a1SGerd Hoffmann #define ITD_XACT_PGSEL_SH 12 193f1ae32a1SGerd Hoffmann #define ITD_XACT_OFFSET_MASK 0x00000fff 194f1ae32a1SGerd Hoffmann 195f1ae32a1SGerd Hoffmann uint32_t bufptr[7]; 196f1ae32a1SGerd Hoffmann #define ITD_BUFPTR_MASK 0xfffff000 197f1ae32a1SGerd Hoffmann #define ITD_BUFPTR_SH 12 198f1ae32a1SGerd Hoffmann #define ITD_BUFPTR_EP_MASK 0x00000f00 199f1ae32a1SGerd Hoffmann #define ITD_BUFPTR_EP_SH 8 200f1ae32a1SGerd Hoffmann #define ITD_BUFPTR_DEVADDR_MASK 0x0000007f 201f1ae32a1SGerd Hoffmann #define ITD_BUFPTR_DEVADDR_SH 0 202f1ae32a1SGerd Hoffmann #define ITD_BUFPTR_DIRECTION (1 << 11) 203f1ae32a1SGerd Hoffmann #define ITD_BUFPTR_MAXPKT_MASK 0x000007ff 204f1ae32a1SGerd Hoffmann #define ITD_BUFPTR_MAXPKT_SH 0 205f1ae32a1SGerd Hoffmann #define ITD_BUFPTR_MULT_MASK 0x00000003 206f1ae32a1SGerd Hoffmann #define ITD_BUFPTR_MULT_SH 0 207f1ae32a1SGerd Hoffmann } EHCIitd; 208f1ae32a1SGerd Hoffmann 209f1ae32a1SGerd Hoffmann /* EHCI spec version 1.0 Section 3.4 210f1ae32a1SGerd Hoffmann */ 211f1ae32a1SGerd Hoffmann typedef struct EHCIsitd { 212f1ae32a1SGerd Hoffmann uint32_t next; // Standard next link pointer 213f1ae32a1SGerd Hoffmann uint32_t epchar; 214f1ae32a1SGerd Hoffmann #define SITD_EPCHAR_IO (1 << 31) 215f1ae32a1SGerd Hoffmann #define SITD_EPCHAR_PORTNUM_MASK 0x7f000000 216f1ae32a1SGerd Hoffmann #define SITD_EPCHAR_PORTNUM_SH 24 217f1ae32a1SGerd Hoffmann #define SITD_EPCHAR_HUBADD_MASK 0x007f0000 218f1ae32a1SGerd Hoffmann #define SITD_EPCHAR_HUBADDR_SH 16 219f1ae32a1SGerd Hoffmann #define SITD_EPCHAR_EPNUM_MASK 0x00000f00 220f1ae32a1SGerd Hoffmann #define SITD_EPCHAR_EPNUM_SH 8 221f1ae32a1SGerd Hoffmann #define SITD_EPCHAR_DEVADDR_MASK 0x0000007f 222f1ae32a1SGerd Hoffmann 223f1ae32a1SGerd Hoffmann uint32_t uframe; 224f1ae32a1SGerd Hoffmann #define SITD_UFRAME_CMASK_MASK 0x0000ff00 225f1ae32a1SGerd Hoffmann #define SITD_UFRAME_CMASK_SH 8 226f1ae32a1SGerd Hoffmann #define SITD_UFRAME_SMASK_MASK 0x000000ff 227f1ae32a1SGerd Hoffmann 228f1ae32a1SGerd Hoffmann uint32_t results; 229f1ae32a1SGerd Hoffmann #define SITD_RESULTS_IOC (1 << 31) 230f1ae32a1SGerd Hoffmann #define SITD_RESULTS_PGSEL (1 << 30) 231f1ae32a1SGerd Hoffmann #define SITD_RESULTS_TBYTES_MASK 0x03ff0000 232f1ae32a1SGerd Hoffmann #define SITD_RESULTS_TYBYTES_SH 16 233f1ae32a1SGerd Hoffmann #define SITD_RESULTS_CPROGMASK_MASK 0x0000ff00 234f1ae32a1SGerd Hoffmann #define SITD_RESULTS_CPROGMASK_SH 8 235f1ae32a1SGerd Hoffmann #define SITD_RESULTS_ACTIVE (1 << 7) 236f1ae32a1SGerd Hoffmann #define SITD_RESULTS_ERR (1 << 6) 237f1ae32a1SGerd Hoffmann #define SITD_RESULTS_DBERR (1 << 5) 238f1ae32a1SGerd Hoffmann #define SITD_RESULTS_BABBLE (1 << 4) 239f1ae32a1SGerd Hoffmann #define SITD_RESULTS_XACTERR (1 << 3) 240f1ae32a1SGerd Hoffmann #define SITD_RESULTS_MISSEDUF (1 << 2) 241f1ae32a1SGerd Hoffmann #define SITD_RESULTS_SPLITXSTATE (1 << 1) 242f1ae32a1SGerd Hoffmann 243f1ae32a1SGerd Hoffmann uint32_t bufptr[2]; 244f1ae32a1SGerd Hoffmann #define SITD_BUFPTR_MASK 0xfffff000 245f1ae32a1SGerd Hoffmann #define SITD_BUFPTR_CURROFF_MASK 0x00000fff 246f1ae32a1SGerd Hoffmann #define SITD_BUFPTR_TPOS_MASK 0x00000018 247f1ae32a1SGerd Hoffmann #define SITD_BUFPTR_TPOS_SH 3 248f1ae32a1SGerd Hoffmann #define SITD_BUFPTR_TCNT_MASK 0x00000007 249f1ae32a1SGerd Hoffmann 250f1ae32a1SGerd Hoffmann uint32_t backptr; // Standard next link pointer 251f1ae32a1SGerd Hoffmann } EHCIsitd; 252f1ae32a1SGerd Hoffmann 253f1ae32a1SGerd Hoffmann /* EHCI spec version 1.0 Section 3.5 254f1ae32a1SGerd Hoffmann */ 255f1ae32a1SGerd Hoffmann typedef struct EHCIqtd { 256f1ae32a1SGerd Hoffmann uint32_t next; // Standard next link pointer 257f1ae32a1SGerd Hoffmann uint32_t altnext; // Standard next link pointer 258f1ae32a1SGerd Hoffmann uint32_t token; 259f1ae32a1SGerd Hoffmann #define QTD_TOKEN_DTOGGLE (1 << 31) 260f1ae32a1SGerd Hoffmann #define QTD_TOKEN_TBYTES_MASK 0x7fff0000 261f1ae32a1SGerd Hoffmann #define QTD_TOKEN_TBYTES_SH 16 262f1ae32a1SGerd Hoffmann #define QTD_TOKEN_IOC (1 << 15) 263f1ae32a1SGerd Hoffmann #define QTD_TOKEN_CPAGE_MASK 0x00007000 264f1ae32a1SGerd Hoffmann #define QTD_TOKEN_CPAGE_SH 12 265f1ae32a1SGerd Hoffmann #define QTD_TOKEN_CERR_MASK 0x00000c00 266f1ae32a1SGerd Hoffmann #define QTD_TOKEN_CERR_SH 10 267f1ae32a1SGerd Hoffmann #define QTD_TOKEN_PID_MASK 0x00000300 268f1ae32a1SGerd Hoffmann #define QTD_TOKEN_PID_SH 8 269f1ae32a1SGerd Hoffmann #define QTD_TOKEN_ACTIVE (1 << 7) 270f1ae32a1SGerd Hoffmann #define QTD_TOKEN_HALT (1 << 6) 271f1ae32a1SGerd Hoffmann #define QTD_TOKEN_DBERR (1 << 5) 272f1ae32a1SGerd Hoffmann #define QTD_TOKEN_BABBLE (1 << 4) 273f1ae32a1SGerd Hoffmann #define QTD_TOKEN_XACTERR (1 << 3) 274f1ae32a1SGerd Hoffmann #define QTD_TOKEN_MISSEDUF (1 << 2) 275f1ae32a1SGerd Hoffmann #define QTD_TOKEN_SPLITXSTATE (1 << 1) 276f1ae32a1SGerd Hoffmann #define QTD_TOKEN_PING (1 << 0) 277f1ae32a1SGerd Hoffmann 278f1ae32a1SGerd Hoffmann uint32_t bufptr[5]; // Standard buffer pointer 279f1ae32a1SGerd Hoffmann #define QTD_BUFPTR_MASK 0xfffff000 280f1ae32a1SGerd Hoffmann #define QTD_BUFPTR_SH 12 281f1ae32a1SGerd Hoffmann } EHCIqtd; 282f1ae32a1SGerd Hoffmann 283f1ae32a1SGerd Hoffmann /* EHCI spec version 1.0 Section 3.6 284f1ae32a1SGerd Hoffmann */ 285f1ae32a1SGerd Hoffmann typedef struct EHCIqh { 286f1ae32a1SGerd Hoffmann uint32_t next; // Standard next link pointer 287f1ae32a1SGerd Hoffmann 288f1ae32a1SGerd Hoffmann /* endpoint characteristics */ 289f1ae32a1SGerd Hoffmann uint32_t epchar; 290f1ae32a1SGerd Hoffmann #define QH_EPCHAR_RL_MASK 0xf0000000 291f1ae32a1SGerd Hoffmann #define QH_EPCHAR_RL_SH 28 292f1ae32a1SGerd Hoffmann #define QH_EPCHAR_C (1 << 27) 293f1ae32a1SGerd Hoffmann #define QH_EPCHAR_MPLEN_MASK 0x07FF0000 294f1ae32a1SGerd Hoffmann #define QH_EPCHAR_MPLEN_SH 16 295f1ae32a1SGerd Hoffmann #define QH_EPCHAR_H (1 << 15) 296f1ae32a1SGerd Hoffmann #define QH_EPCHAR_DTC (1 << 14) 297f1ae32a1SGerd Hoffmann #define QH_EPCHAR_EPS_MASK 0x00003000 298f1ae32a1SGerd Hoffmann #define QH_EPCHAR_EPS_SH 12 299f1ae32a1SGerd Hoffmann #define EHCI_QH_EPS_FULL 0 300f1ae32a1SGerd Hoffmann #define EHCI_QH_EPS_LOW 1 301f1ae32a1SGerd Hoffmann #define EHCI_QH_EPS_HIGH 2 302f1ae32a1SGerd Hoffmann #define EHCI_QH_EPS_RESERVED 3 303f1ae32a1SGerd Hoffmann 304f1ae32a1SGerd Hoffmann #define QH_EPCHAR_EP_MASK 0x00000f00 305f1ae32a1SGerd Hoffmann #define QH_EPCHAR_EP_SH 8 306f1ae32a1SGerd Hoffmann #define QH_EPCHAR_I (1 << 7) 307f1ae32a1SGerd Hoffmann #define QH_EPCHAR_DEVADDR_MASK 0x0000007f 308f1ae32a1SGerd Hoffmann #define QH_EPCHAR_DEVADDR_SH 0 309f1ae32a1SGerd Hoffmann 310f1ae32a1SGerd Hoffmann /* endpoint capabilities */ 311f1ae32a1SGerd Hoffmann uint32_t epcap; 312f1ae32a1SGerd Hoffmann #define QH_EPCAP_MULT_MASK 0xc0000000 313f1ae32a1SGerd Hoffmann #define QH_EPCAP_MULT_SH 30 314f1ae32a1SGerd Hoffmann #define QH_EPCAP_PORTNUM_MASK 0x3f800000 315f1ae32a1SGerd Hoffmann #define QH_EPCAP_PORTNUM_SH 23 316f1ae32a1SGerd Hoffmann #define QH_EPCAP_HUBADDR_MASK 0x007f0000 317f1ae32a1SGerd Hoffmann #define QH_EPCAP_HUBADDR_SH 16 318f1ae32a1SGerd Hoffmann #define QH_EPCAP_CMASK_MASK 0x0000ff00 319f1ae32a1SGerd Hoffmann #define QH_EPCAP_CMASK_SH 8 320f1ae32a1SGerd Hoffmann #define QH_EPCAP_SMASK_MASK 0x000000ff 321f1ae32a1SGerd Hoffmann #define QH_EPCAP_SMASK_SH 0 322f1ae32a1SGerd Hoffmann 323f1ae32a1SGerd Hoffmann uint32_t current_qtd; // Standard next link pointer 324f1ae32a1SGerd Hoffmann uint32_t next_qtd; // Standard next link pointer 325f1ae32a1SGerd Hoffmann uint32_t altnext_qtd; 326f1ae32a1SGerd Hoffmann #define QH_ALTNEXT_NAKCNT_MASK 0x0000001e 327f1ae32a1SGerd Hoffmann #define QH_ALTNEXT_NAKCNT_SH 1 328f1ae32a1SGerd Hoffmann 329f1ae32a1SGerd Hoffmann uint32_t token; // Same as QTD token 330f1ae32a1SGerd Hoffmann uint32_t bufptr[5]; // Standard buffer pointer 331f1ae32a1SGerd Hoffmann #define BUFPTR_CPROGMASK_MASK 0x000000ff 332f1ae32a1SGerd Hoffmann #define BUFPTR_FRAMETAG_MASK 0x0000001f 333f1ae32a1SGerd Hoffmann #define BUFPTR_SBYTES_MASK 0x00000fe0 334f1ae32a1SGerd Hoffmann #define BUFPTR_SBYTES_SH 5 335f1ae32a1SGerd Hoffmann } EHCIqh; 336f1ae32a1SGerd Hoffmann 337f1ae32a1SGerd Hoffmann /* EHCI spec version 1.0 Section 3.7 338f1ae32a1SGerd Hoffmann */ 339f1ae32a1SGerd Hoffmann typedef struct EHCIfstn { 340f1ae32a1SGerd Hoffmann uint32_t next; // Standard next link pointer 341f1ae32a1SGerd Hoffmann uint32_t backptr; // Standard next link pointer 342f1ae32a1SGerd Hoffmann } EHCIfstn; 343f1ae32a1SGerd Hoffmann 344eb36a88eSGerd Hoffmann typedef struct EHCIPacket EHCIPacket; 345f1ae32a1SGerd Hoffmann typedef struct EHCIQueue EHCIQueue; 346f1ae32a1SGerd Hoffmann typedef struct EHCIState EHCIState; 347f1ae32a1SGerd Hoffmann 348f1ae32a1SGerd Hoffmann enum async_state { 349f1ae32a1SGerd Hoffmann EHCI_ASYNC_NONE = 0, 350ef5b2344SHans de Goede EHCI_ASYNC_INITIALIZED, 351f1ae32a1SGerd Hoffmann EHCI_ASYNC_INFLIGHT, 352f1ae32a1SGerd Hoffmann EHCI_ASYNC_FINISHED, 353f1ae32a1SGerd Hoffmann }; 354f1ae32a1SGerd Hoffmann 355eb36a88eSGerd Hoffmann struct EHCIPacket { 356eb36a88eSGerd Hoffmann EHCIQueue *queue; 357eb36a88eSGerd Hoffmann QTAILQ_ENTRY(EHCIPacket) next; 358eb36a88eSGerd Hoffmann 359eb36a88eSGerd Hoffmann EHCIqtd qtd; /* copy of current QTD (being worked on) */ 360eb36a88eSGerd Hoffmann uint32_t qtdaddr; /* address QTD read from */ 361eb36a88eSGerd Hoffmann 362eb36a88eSGerd Hoffmann USBPacket packet; 363eb36a88eSGerd Hoffmann QEMUSGList sgl; 364eb36a88eSGerd Hoffmann int pid; 365eb36a88eSGerd Hoffmann enum async_state async; 366eb36a88eSGerd Hoffmann int usb_status; 367eb36a88eSGerd Hoffmann }; 368eb36a88eSGerd Hoffmann 369f1ae32a1SGerd Hoffmann struct EHCIQueue { 370f1ae32a1SGerd Hoffmann EHCIState *ehci; 371f1ae32a1SGerd Hoffmann QTAILQ_ENTRY(EHCIQueue) next; 372f1ae32a1SGerd Hoffmann uint32_t seen; 373f1ae32a1SGerd Hoffmann uint64_t ts; 374ae0138a8SGerd Hoffmann int async; 375cae5d3f4SHans de Goede int transact_ctr; 376f1ae32a1SGerd Hoffmann 377f1ae32a1SGerd Hoffmann /* cached data from guest - needs to be flushed 378f1ae32a1SGerd Hoffmann * when guest removes an entry (doorbell, handshake sequence) 379f1ae32a1SGerd Hoffmann */ 380eb36a88eSGerd Hoffmann EHCIqh qh; /* copy of current QH (being worked on) */ 381eb36a88eSGerd Hoffmann uint32_t qhaddr; /* address QH read from */ 382eb36a88eSGerd Hoffmann uint32_t qtdaddr; /* address QTD read from */ 383e59928b3SGerd Hoffmann USBDevice *dev; 384b4ea8664SHans de Goede QTAILQ_HEAD(pkts_head, EHCIPacket) packets; 385f1ae32a1SGerd Hoffmann }; 386f1ae32a1SGerd Hoffmann 387f1ae32a1SGerd Hoffmann typedef QTAILQ_HEAD(EHCIQueueHead, EHCIQueue) EHCIQueueHead; 388f1ae32a1SGerd Hoffmann 389f1ae32a1SGerd Hoffmann struct EHCIState { 390f1ae32a1SGerd Hoffmann PCIDevice dev; 391f1ae32a1SGerd Hoffmann USBBus bus; 392f1ae32a1SGerd Hoffmann qemu_irq irq; 393f1ae32a1SGerd Hoffmann MemoryRegion mem; 3943e4f910cSGerd Hoffmann MemoryRegion mem_caps; 3953e4f910cSGerd Hoffmann MemoryRegion mem_opreg; 3963e4f910cSGerd Hoffmann MemoryRegion mem_ports; 397f1ae32a1SGerd Hoffmann int companion_count; 398f1ae32a1SGerd Hoffmann 399f1ae32a1SGerd Hoffmann /* properties */ 400f1ae32a1SGerd Hoffmann uint32_t maxframes; 401f1ae32a1SGerd Hoffmann 402f1ae32a1SGerd Hoffmann /* 403f1ae32a1SGerd Hoffmann * EHCI spec version 1.0 Section 2.3 404f1ae32a1SGerd Hoffmann * Host Controller Operational Registers 405f1ae32a1SGerd Hoffmann */ 4063e4f910cSGerd Hoffmann uint8_t caps[OPREGBASE]; 407f1ae32a1SGerd Hoffmann union { 4083e4f910cSGerd Hoffmann uint32_t opreg[(PORTSC_BEGIN-OPREGBASE)/sizeof(uint32_t)]; 409f1ae32a1SGerd Hoffmann struct { 410f1ae32a1SGerd Hoffmann uint32_t usbcmd; 411f1ae32a1SGerd Hoffmann uint32_t usbsts; 412f1ae32a1SGerd Hoffmann uint32_t usbintr; 413f1ae32a1SGerd Hoffmann uint32_t frindex; 414f1ae32a1SGerd Hoffmann uint32_t ctrldssegment; 415f1ae32a1SGerd Hoffmann uint32_t periodiclistbase; 416f1ae32a1SGerd Hoffmann uint32_t asynclistaddr; 417f1ae32a1SGerd Hoffmann uint32_t notused[9]; 418f1ae32a1SGerd Hoffmann uint32_t configflag; 4193e4f910cSGerd Hoffmann }; 4203e4f910cSGerd Hoffmann }; 421f1ae32a1SGerd Hoffmann uint32_t portsc[NB_PORTS]; 422f1ae32a1SGerd Hoffmann 423f1ae32a1SGerd Hoffmann /* 424f1ae32a1SGerd Hoffmann * Internal states, shadow registers, etc 425f1ae32a1SGerd Hoffmann */ 426f1ae32a1SGerd Hoffmann QEMUTimer *frame_timer; 4270fb3e299SGerd Hoffmann QEMUBH *async_bh; 4289a773408SGerd Hoffmann uint32_t astate; /* Current state in asynchronous schedule */ 4299a773408SGerd Hoffmann uint32_t pstate; /* Current state in periodic schedule */ 430f1ae32a1SGerd Hoffmann USBPort ports[NB_PORTS]; 431f1ae32a1SGerd Hoffmann USBPort *companion_ports[NB_PORTS]; 432f1ae32a1SGerd Hoffmann uint32_t usbsts_pending; 4337efc17afSGerd Hoffmann uint32_t usbsts_frindex; 434f1ae32a1SGerd Hoffmann EHCIQueueHead aqueues; 435f1ae32a1SGerd Hoffmann EHCIQueueHead pqueues; 436f1ae32a1SGerd Hoffmann 4379a773408SGerd Hoffmann /* which address to look at next */ 4389a773408SGerd Hoffmann uint32_t a_fetch_addr; 4399a773408SGerd Hoffmann uint32_t p_fetch_addr; 440f1ae32a1SGerd Hoffmann 441f1ae32a1SGerd Hoffmann USBPacket ipacket; 442f1ae32a1SGerd Hoffmann QEMUSGList isgl; 443f1ae32a1SGerd Hoffmann 444f1ae32a1SGerd Hoffmann uint64_t last_run_ns; 4453a215326SGerd Hoffmann uint32_t async_stepdown; 44644272b0fSHans de Goede bool int_req_by_async; 447f1ae32a1SGerd Hoffmann }; 448f1ae32a1SGerd Hoffmann 449f1ae32a1SGerd Hoffmann #define SET_LAST_RUN_CLOCK(s) \ 450f1ae32a1SGerd Hoffmann (s)->last_run_ns = qemu_get_clock_ns(vm_clock); 451f1ae32a1SGerd Hoffmann 452f1ae32a1SGerd Hoffmann /* nifty macros from Arnon's EHCI version */ 453f1ae32a1SGerd Hoffmann #define get_field(data, field) \ 454f1ae32a1SGerd Hoffmann (((data) & field##_MASK) >> field##_SH) 455f1ae32a1SGerd Hoffmann 456f1ae32a1SGerd Hoffmann #define set_field(data, newval, field) do { \ 457f1ae32a1SGerd Hoffmann uint32_t val = *data; \ 458f1ae32a1SGerd Hoffmann val &= ~ field##_MASK; \ 459f1ae32a1SGerd Hoffmann val |= ((newval) << field##_SH) & field##_MASK; \ 460f1ae32a1SGerd Hoffmann *data = val; \ 461f1ae32a1SGerd Hoffmann } while(0) 462f1ae32a1SGerd Hoffmann 463f1ae32a1SGerd Hoffmann static const char *ehci_state_names[] = { 464f1ae32a1SGerd Hoffmann [EST_INACTIVE] = "INACTIVE", 465f1ae32a1SGerd Hoffmann [EST_ACTIVE] = "ACTIVE", 466f1ae32a1SGerd Hoffmann [EST_EXECUTING] = "EXECUTING", 467f1ae32a1SGerd Hoffmann [EST_SLEEPING] = "SLEEPING", 468f1ae32a1SGerd Hoffmann [EST_WAITLISTHEAD] = "WAITLISTHEAD", 469f1ae32a1SGerd Hoffmann [EST_FETCHENTRY] = "FETCH ENTRY", 470f1ae32a1SGerd Hoffmann [EST_FETCHQH] = "FETCH QH", 471f1ae32a1SGerd Hoffmann [EST_FETCHITD] = "FETCH ITD", 472f1ae32a1SGerd Hoffmann [EST_ADVANCEQUEUE] = "ADVANCEQUEUE", 473f1ae32a1SGerd Hoffmann [EST_FETCHQTD] = "FETCH QTD", 474f1ae32a1SGerd Hoffmann [EST_EXECUTE] = "EXECUTE", 475f1ae32a1SGerd Hoffmann [EST_WRITEBACK] = "WRITEBACK", 476f1ae32a1SGerd Hoffmann [EST_HORIZONTALQH] = "HORIZONTALQH", 477f1ae32a1SGerd Hoffmann }; 478f1ae32a1SGerd Hoffmann 479f1ae32a1SGerd Hoffmann static const char *ehci_mmio_names[] = { 480f1ae32a1SGerd Hoffmann [USBCMD] = "USBCMD", 481f1ae32a1SGerd Hoffmann [USBSTS] = "USBSTS", 482f1ae32a1SGerd Hoffmann [USBINTR] = "USBINTR", 483f1ae32a1SGerd Hoffmann [FRINDEX] = "FRINDEX", 484f1ae32a1SGerd Hoffmann [PERIODICLISTBASE] = "P-LIST BASE", 485f1ae32a1SGerd Hoffmann [ASYNCLISTADDR] = "A-LIST ADDR", 486f1ae32a1SGerd Hoffmann [CONFIGFLAG] = "CONFIGFLAG", 487f1ae32a1SGerd Hoffmann }; 488f1ae32a1SGerd Hoffmann 4894b63a0dfSHans de Goede static int ehci_state_executing(EHCIQueue *q); 4904b63a0dfSHans de Goede static int ehci_state_writeback(EHCIQueue *q); 491b4ea8664SHans de Goede static int ehci_fill_queue(EHCIPacket *p); 4924b63a0dfSHans de Goede 493f1ae32a1SGerd Hoffmann static const char *nr2str(const char **n, size_t len, uint32_t nr) 494f1ae32a1SGerd Hoffmann { 495f1ae32a1SGerd Hoffmann if (nr < len && n[nr] != NULL) { 496f1ae32a1SGerd Hoffmann return n[nr]; 497f1ae32a1SGerd Hoffmann } else { 498f1ae32a1SGerd Hoffmann return "unknown"; 499f1ae32a1SGerd Hoffmann } 500f1ae32a1SGerd Hoffmann } 501f1ae32a1SGerd Hoffmann 502f1ae32a1SGerd Hoffmann static const char *state2str(uint32_t state) 503f1ae32a1SGerd Hoffmann { 504f1ae32a1SGerd Hoffmann return nr2str(ehci_state_names, ARRAY_SIZE(ehci_state_names), state); 505f1ae32a1SGerd Hoffmann } 506f1ae32a1SGerd Hoffmann 507a8170e5eSAvi Kivity static const char *addr2str(hwaddr addr) 508f1ae32a1SGerd Hoffmann { 5093e4f910cSGerd Hoffmann return nr2str(ehci_mmio_names, ARRAY_SIZE(ehci_mmio_names), 5103e4f910cSGerd Hoffmann addr + OPREGBASE); 511f1ae32a1SGerd Hoffmann } 512f1ae32a1SGerd Hoffmann 513f1ae32a1SGerd Hoffmann static void ehci_trace_usbsts(uint32_t mask, int state) 514f1ae32a1SGerd Hoffmann { 515f1ae32a1SGerd Hoffmann /* interrupts */ 516f1ae32a1SGerd Hoffmann if (mask & USBSTS_INT) { 517f1ae32a1SGerd Hoffmann trace_usb_ehci_usbsts("INT", state); 518f1ae32a1SGerd Hoffmann } 519f1ae32a1SGerd Hoffmann if (mask & USBSTS_ERRINT) { 520f1ae32a1SGerd Hoffmann trace_usb_ehci_usbsts("ERRINT", state); 521f1ae32a1SGerd Hoffmann } 522f1ae32a1SGerd Hoffmann if (mask & USBSTS_PCD) { 523f1ae32a1SGerd Hoffmann trace_usb_ehci_usbsts("PCD", state); 524f1ae32a1SGerd Hoffmann } 525f1ae32a1SGerd Hoffmann if (mask & USBSTS_FLR) { 526f1ae32a1SGerd Hoffmann trace_usb_ehci_usbsts("FLR", state); 527f1ae32a1SGerd Hoffmann } 528f1ae32a1SGerd Hoffmann if (mask & USBSTS_HSE) { 529f1ae32a1SGerd Hoffmann trace_usb_ehci_usbsts("HSE", state); 530f1ae32a1SGerd Hoffmann } 531f1ae32a1SGerd Hoffmann if (mask & USBSTS_IAA) { 532f1ae32a1SGerd Hoffmann trace_usb_ehci_usbsts("IAA", state); 533f1ae32a1SGerd Hoffmann } 534f1ae32a1SGerd Hoffmann 535f1ae32a1SGerd Hoffmann /* status */ 536f1ae32a1SGerd Hoffmann if (mask & USBSTS_HALT) { 537f1ae32a1SGerd Hoffmann trace_usb_ehci_usbsts("HALT", state); 538f1ae32a1SGerd Hoffmann } 539f1ae32a1SGerd Hoffmann if (mask & USBSTS_REC) { 540f1ae32a1SGerd Hoffmann trace_usb_ehci_usbsts("REC", state); 541f1ae32a1SGerd Hoffmann } 542f1ae32a1SGerd Hoffmann if (mask & USBSTS_PSS) { 543f1ae32a1SGerd Hoffmann trace_usb_ehci_usbsts("PSS", state); 544f1ae32a1SGerd Hoffmann } 545f1ae32a1SGerd Hoffmann if (mask & USBSTS_ASS) { 546f1ae32a1SGerd Hoffmann trace_usb_ehci_usbsts("ASS", state); 547f1ae32a1SGerd Hoffmann } 548f1ae32a1SGerd Hoffmann } 549f1ae32a1SGerd Hoffmann 550f1ae32a1SGerd Hoffmann static inline void ehci_set_usbsts(EHCIState *s, int mask) 551f1ae32a1SGerd Hoffmann { 552f1ae32a1SGerd Hoffmann if ((s->usbsts & mask) == mask) { 553f1ae32a1SGerd Hoffmann return; 554f1ae32a1SGerd Hoffmann } 555f1ae32a1SGerd Hoffmann ehci_trace_usbsts(mask, 1); 556f1ae32a1SGerd Hoffmann s->usbsts |= mask; 557f1ae32a1SGerd Hoffmann } 558f1ae32a1SGerd Hoffmann 559f1ae32a1SGerd Hoffmann static inline void ehci_clear_usbsts(EHCIState *s, int mask) 560f1ae32a1SGerd Hoffmann { 561f1ae32a1SGerd Hoffmann if ((s->usbsts & mask) == 0) { 562f1ae32a1SGerd Hoffmann return; 563f1ae32a1SGerd Hoffmann } 564f1ae32a1SGerd Hoffmann ehci_trace_usbsts(mask, 0); 565f1ae32a1SGerd Hoffmann s->usbsts &= ~mask; 566f1ae32a1SGerd Hoffmann } 567f1ae32a1SGerd Hoffmann 5687efc17afSGerd Hoffmann /* update irq line */ 5697efc17afSGerd Hoffmann static inline void ehci_update_irq(EHCIState *s) 570f1ae32a1SGerd Hoffmann { 571f1ae32a1SGerd Hoffmann int level = 0; 572f1ae32a1SGerd Hoffmann 573f1ae32a1SGerd Hoffmann if ((s->usbsts & USBINTR_MASK) & s->usbintr) { 574f1ae32a1SGerd Hoffmann level = 1; 575f1ae32a1SGerd Hoffmann } 576f1ae32a1SGerd Hoffmann 5777efc17afSGerd Hoffmann trace_usb_ehci_irq(level, s->frindex, s->usbsts, s->usbintr); 578f1ae32a1SGerd Hoffmann qemu_set_irq(s->irq, level); 579f1ae32a1SGerd Hoffmann } 580f1ae32a1SGerd Hoffmann 5817efc17afSGerd Hoffmann /* flag interrupt condition */ 5827efc17afSGerd Hoffmann static inline void ehci_raise_irq(EHCIState *s, int intr) 583f1ae32a1SGerd Hoffmann { 5846d3b6d3dSGerd Hoffmann if (intr & (USBSTS_PCD | USBSTS_FLR | USBSTS_HSE)) { 5856d3b6d3dSGerd Hoffmann s->usbsts |= intr; 5866d3b6d3dSGerd Hoffmann ehci_update_irq(s); 5876d3b6d3dSGerd Hoffmann } else { 588f1ae32a1SGerd Hoffmann s->usbsts_pending |= intr; 589f1ae32a1SGerd Hoffmann } 5906d3b6d3dSGerd Hoffmann } 591f1ae32a1SGerd Hoffmann 5927efc17afSGerd Hoffmann /* 5937efc17afSGerd Hoffmann * Commit pending interrupts (added via ehci_raise_irq), 5947efc17afSGerd Hoffmann * at the rate allowed by "Interrupt Threshold Control". 5957efc17afSGerd Hoffmann */ 5967efc17afSGerd Hoffmann static inline void ehci_commit_irq(EHCIState *s) 597f1ae32a1SGerd Hoffmann { 5987efc17afSGerd Hoffmann uint32_t itc; 5997efc17afSGerd Hoffmann 600f1ae32a1SGerd Hoffmann if (!s->usbsts_pending) { 601f1ae32a1SGerd Hoffmann return; 602f1ae32a1SGerd Hoffmann } 6037efc17afSGerd Hoffmann if (s->usbsts_frindex > s->frindex) { 6047efc17afSGerd Hoffmann return; 6057efc17afSGerd Hoffmann } 6067efc17afSGerd Hoffmann 6077efc17afSGerd Hoffmann itc = (s->usbcmd >> 16) & 0xff; 6087efc17afSGerd Hoffmann s->usbsts |= s->usbsts_pending; 609f1ae32a1SGerd Hoffmann s->usbsts_pending = 0; 6107efc17afSGerd Hoffmann s->usbsts_frindex = s->frindex + itc; 6117efc17afSGerd Hoffmann ehci_update_irq(s); 612f1ae32a1SGerd Hoffmann } 613f1ae32a1SGerd Hoffmann 614daf25307SGerd Hoffmann static void ehci_update_halt(EHCIState *s) 615daf25307SGerd Hoffmann { 616daf25307SGerd Hoffmann if (s->usbcmd & USBCMD_RUNSTOP) { 617daf25307SGerd Hoffmann ehci_clear_usbsts(s, USBSTS_HALT); 618daf25307SGerd Hoffmann } else { 619daf25307SGerd Hoffmann if (s->astate == EST_INACTIVE && s->pstate == EST_INACTIVE) { 620daf25307SGerd Hoffmann ehci_set_usbsts(s, USBSTS_HALT); 621daf25307SGerd Hoffmann } 622daf25307SGerd Hoffmann } 623daf25307SGerd Hoffmann } 624daf25307SGerd Hoffmann 625f1ae32a1SGerd Hoffmann static void ehci_set_state(EHCIState *s, int async, int state) 626f1ae32a1SGerd Hoffmann { 627f1ae32a1SGerd Hoffmann if (async) { 628f1ae32a1SGerd Hoffmann trace_usb_ehci_state("async", state2str(state)); 629f1ae32a1SGerd Hoffmann s->astate = state; 630b53f685dSGerd Hoffmann if (s->astate == EST_INACTIVE) { 631b53f685dSGerd Hoffmann ehci_clear_usbsts(s, USBSTS_ASS); 632daf25307SGerd Hoffmann ehci_update_halt(s); 633b53f685dSGerd Hoffmann } else { 634b53f685dSGerd Hoffmann ehci_set_usbsts(s, USBSTS_ASS); 635b53f685dSGerd Hoffmann } 636f1ae32a1SGerd Hoffmann } else { 637f1ae32a1SGerd Hoffmann trace_usb_ehci_state("periodic", state2str(state)); 638f1ae32a1SGerd Hoffmann s->pstate = state; 639b53f685dSGerd Hoffmann if (s->pstate == EST_INACTIVE) { 640b53f685dSGerd Hoffmann ehci_clear_usbsts(s, USBSTS_PSS); 641daf25307SGerd Hoffmann ehci_update_halt(s); 642b53f685dSGerd Hoffmann } else { 643b53f685dSGerd Hoffmann ehci_set_usbsts(s, USBSTS_PSS); 644b53f685dSGerd Hoffmann } 645f1ae32a1SGerd Hoffmann } 646f1ae32a1SGerd Hoffmann } 647f1ae32a1SGerd Hoffmann 648f1ae32a1SGerd Hoffmann static int ehci_get_state(EHCIState *s, int async) 649f1ae32a1SGerd Hoffmann { 650f1ae32a1SGerd Hoffmann return async ? s->astate : s->pstate; 651f1ae32a1SGerd Hoffmann } 652f1ae32a1SGerd Hoffmann 653f1ae32a1SGerd Hoffmann static void ehci_set_fetch_addr(EHCIState *s, int async, uint32_t addr) 654f1ae32a1SGerd Hoffmann { 655f1ae32a1SGerd Hoffmann if (async) { 656f1ae32a1SGerd Hoffmann s->a_fetch_addr = addr; 657f1ae32a1SGerd Hoffmann } else { 658f1ae32a1SGerd Hoffmann s->p_fetch_addr = addr; 659f1ae32a1SGerd Hoffmann } 660f1ae32a1SGerd Hoffmann } 661f1ae32a1SGerd Hoffmann 662f1ae32a1SGerd Hoffmann static int ehci_get_fetch_addr(EHCIState *s, int async) 663f1ae32a1SGerd Hoffmann { 664f1ae32a1SGerd Hoffmann return async ? s->a_fetch_addr : s->p_fetch_addr; 665f1ae32a1SGerd Hoffmann } 666f1ae32a1SGerd Hoffmann 667a8170e5eSAvi Kivity static void ehci_trace_qh(EHCIQueue *q, hwaddr addr, EHCIqh *qh) 668f1ae32a1SGerd Hoffmann { 669f1ae32a1SGerd Hoffmann /* need three here due to argument count limits */ 670f1ae32a1SGerd Hoffmann trace_usb_ehci_qh_ptrs(q, addr, qh->next, 671f1ae32a1SGerd Hoffmann qh->current_qtd, qh->next_qtd, qh->altnext_qtd); 672f1ae32a1SGerd Hoffmann trace_usb_ehci_qh_fields(addr, 673f1ae32a1SGerd Hoffmann get_field(qh->epchar, QH_EPCHAR_RL), 674f1ae32a1SGerd Hoffmann get_field(qh->epchar, QH_EPCHAR_MPLEN), 675f1ae32a1SGerd Hoffmann get_field(qh->epchar, QH_EPCHAR_EPS), 676f1ae32a1SGerd Hoffmann get_field(qh->epchar, QH_EPCHAR_EP), 677f1ae32a1SGerd Hoffmann get_field(qh->epchar, QH_EPCHAR_DEVADDR)); 678f1ae32a1SGerd Hoffmann trace_usb_ehci_qh_bits(addr, 679f1ae32a1SGerd Hoffmann (bool)(qh->epchar & QH_EPCHAR_C), 680f1ae32a1SGerd Hoffmann (bool)(qh->epchar & QH_EPCHAR_H), 681f1ae32a1SGerd Hoffmann (bool)(qh->epchar & QH_EPCHAR_DTC), 682f1ae32a1SGerd Hoffmann (bool)(qh->epchar & QH_EPCHAR_I)); 683f1ae32a1SGerd Hoffmann } 684f1ae32a1SGerd Hoffmann 685a8170e5eSAvi Kivity static void ehci_trace_qtd(EHCIQueue *q, hwaddr addr, EHCIqtd *qtd) 686f1ae32a1SGerd Hoffmann { 687f1ae32a1SGerd Hoffmann /* need three here due to argument count limits */ 688f1ae32a1SGerd Hoffmann trace_usb_ehci_qtd_ptrs(q, addr, qtd->next, qtd->altnext); 689f1ae32a1SGerd Hoffmann trace_usb_ehci_qtd_fields(addr, 690f1ae32a1SGerd Hoffmann get_field(qtd->token, QTD_TOKEN_TBYTES), 691f1ae32a1SGerd Hoffmann get_field(qtd->token, QTD_TOKEN_CPAGE), 692f1ae32a1SGerd Hoffmann get_field(qtd->token, QTD_TOKEN_CERR), 693f1ae32a1SGerd Hoffmann get_field(qtd->token, QTD_TOKEN_PID)); 694f1ae32a1SGerd Hoffmann trace_usb_ehci_qtd_bits(addr, 695f1ae32a1SGerd Hoffmann (bool)(qtd->token & QTD_TOKEN_IOC), 696f1ae32a1SGerd Hoffmann (bool)(qtd->token & QTD_TOKEN_ACTIVE), 697f1ae32a1SGerd Hoffmann (bool)(qtd->token & QTD_TOKEN_HALT), 698f1ae32a1SGerd Hoffmann (bool)(qtd->token & QTD_TOKEN_BABBLE), 699f1ae32a1SGerd Hoffmann (bool)(qtd->token & QTD_TOKEN_XACTERR)); 700f1ae32a1SGerd Hoffmann } 701f1ae32a1SGerd Hoffmann 702a8170e5eSAvi Kivity static void ehci_trace_itd(EHCIState *s, hwaddr addr, EHCIitd *itd) 703f1ae32a1SGerd Hoffmann { 704f1ae32a1SGerd Hoffmann trace_usb_ehci_itd(addr, itd->next, 705f1ae32a1SGerd Hoffmann get_field(itd->bufptr[1], ITD_BUFPTR_MAXPKT), 706f1ae32a1SGerd Hoffmann get_field(itd->bufptr[2], ITD_BUFPTR_MULT), 707f1ae32a1SGerd Hoffmann get_field(itd->bufptr[0], ITD_BUFPTR_EP), 708f1ae32a1SGerd Hoffmann get_field(itd->bufptr[0], ITD_BUFPTR_DEVADDR)); 709f1ae32a1SGerd Hoffmann } 710f1ae32a1SGerd Hoffmann 711a8170e5eSAvi Kivity static void ehci_trace_sitd(EHCIState *s, hwaddr addr, 712f1ae32a1SGerd Hoffmann EHCIsitd *sitd) 713f1ae32a1SGerd Hoffmann { 714f1ae32a1SGerd Hoffmann trace_usb_ehci_sitd(addr, sitd->next, 715f1ae32a1SGerd Hoffmann (bool)(sitd->results & SITD_RESULTS_ACTIVE)); 716f1ae32a1SGerd Hoffmann } 717f1ae32a1SGerd Hoffmann 7185c514681SGerd Hoffmann static void ehci_trace_guest_bug(EHCIState *s, const char *message) 7195c514681SGerd Hoffmann { 7205c514681SGerd Hoffmann trace_usb_ehci_guest_bug(message); 7215c514681SGerd Hoffmann fprintf(stderr, "ehci warning: %s\n", message); 7225c514681SGerd Hoffmann } 7235c514681SGerd Hoffmann 724ec807d12SGerd Hoffmann static inline bool ehci_enabled(EHCIState *s) 725ec807d12SGerd Hoffmann { 726ec807d12SGerd Hoffmann return s->usbcmd & USBCMD_RUNSTOP; 727ec807d12SGerd Hoffmann } 728ec807d12SGerd Hoffmann 729ec807d12SGerd Hoffmann static inline bool ehci_async_enabled(EHCIState *s) 730ec807d12SGerd Hoffmann { 731ec807d12SGerd Hoffmann return ehci_enabled(s) && (s->usbcmd & USBCMD_ASE); 732ec807d12SGerd Hoffmann } 733ec807d12SGerd Hoffmann 734ec807d12SGerd Hoffmann static inline bool ehci_periodic_enabled(EHCIState *s) 735ec807d12SGerd Hoffmann { 736ec807d12SGerd Hoffmann return ehci_enabled(s) && (s->usbcmd & USBCMD_PSE); 737ec807d12SGerd Hoffmann } 738ec807d12SGerd Hoffmann 739eb36a88eSGerd Hoffmann /* packet management */ 740eb36a88eSGerd Hoffmann 741eb36a88eSGerd Hoffmann static EHCIPacket *ehci_alloc_packet(EHCIQueue *q) 742eb36a88eSGerd Hoffmann { 743eb36a88eSGerd Hoffmann EHCIPacket *p; 744eb36a88eSGerd Hoffmann 745eb36a88eSGerd Hoffmann p = g_new0(EHCIPacket, 1); 746eb36a88eSGerd Hoffmann p->queue = q; 747eb36a88eSGerd Hoffmann usb_packet_init(&p->packet); 748eb36a88eSGerd Hoffmann QTAILQ_INSERT_TAIL(&q->packets, p, next); 749eb36a88eSGerd Hoffmann trace_usb_ehci_packet_action(p->queue, p, "alloc"); 750eb36a88eSGerd Hoffmann return p; 751eb36a88eSGerd Hoffmann } 752eb36a88eSGerd Hoffmann 753eb36a88eSGerd Hoffmann static void ehci_free_packet(EHCIPacket *p) 754eb36a88eSGerd Hoffmann { 7554b63a0dfSHans de Goede if (p->async == EHCI_ASYNC_FINISHED) { 7564b63a0dfSHans de Goede int state = ehci_get_state(p->queue->ehci, p->queue->async); 7574b63a0dfSHans de Goede /* This is a normal, but rare condition (cancel racing completion) */ 7584b63a0dfSHans de Goede fprintf(stderr, "EHCI: Warning packet completed but not processed\n"); 7594b63a0dfSHans de Goede ehci_state_executing(p->queue); 7604b63a0dfSHans de Goede ehci_state_writeback(p->queue); 7614b63a0dfSHans de Goede ehci_set_state(p->queue->ehci, p->queue->async, state); 7624b63a0dfSHans de Goede /* state_writeback recurses into us with async == EHCI_ASYNC_NONE!! */ 7634b63a0dfSHans de Goede return; 7644b63a0dfSHans de Goede } 765616789cdSGerd Hoffmann trace_usb_ehci_packet_action(p->queue, p, "free"); 766ef5b2344SHans de Goede if (p->async == EHCI_ASYNC_INITIALIZED) { 767ef5b2344SHans de Goede usb_packet_unmap(&p->packet, &p->sgl); 768ef5b2344SHans de Goede qemu_sglist_destroy(&p->sgl); 769ef5b2344SHans de Goede } 770616789cdSGerd Hoffmann if (p->async == EHCI_ASYNC_INFLIGHT) { 771616789cdSGerd Hoffmann usb_cancel_packet(&p->packet); 772616789cdSGerd Hoffmann usb_packet_unmap(&p->packet, &p->sgl); 773616789cdSGerd Hoffmann qemu_sglist_destroy(&p->sgl); 774616789cdSGerd Hoffmann } 775eb36a88eSGerd Hoffmann QTAILQ_REMOVE(&p->queue->packets, p, next); 776eb36a88eSGerd Hoffmann usb_packet_cleanup(&p->packet); 777eb36a88eSGerd Hoffmann g_free(p); 778eb36a88eSGerd Hoffmann } 779eb36a88eSGerd Hoffmann 780f1ae32a1SGerd Hoffmann /* queue management */ 781f1ae32a1SGerd Hoffmann 7828f6d5e26SGerd Hoffmann static EHCIQueue *ehci_alloc_queue(EHCIState *ehci, uint32_t addr, int async) 783f1ae32a1SGerd Hoffmann { 784f1ae32a1SGerd Hoffmann EHCIQueueHead *head = async ? &ehci->aqueues : &ehci->pqueues; 785f1ae32a1SGerd Hoffmann EHCIQueue *q; 786f1ae32a1SGerd Hoffmann 787f1ae32a1SGerd Hoffmann q = g_malloc0(sizeof(*q)); 788f1ae32a1SGerd Hoffmann q->ehci = ehci; 7898f6d5e26SGerd Hoffmann q->qhaddr = addr; 790ae0138a8SGerd Hoffmann q->async = async; 791eb36a88eSGerd Hoffmann QTAILQ_INIT(&q->packets); 792f1ae32a1SGerd Hoffmann QTAILQ_INSERT_HEAD(head, q, next); 793f1ae32a1SGerd Hoffmann trace_usb_ehci_queue_action(q, "alloc"); 794f1ae32a1SGerd Hoffmann return q; 795f1ae32a1SGerd Hoffmann } 796f1ae32a1SGerd Hoffmann 7975c514681SGerd Hoffmann static int ehci_cancel_queue(EHCIQueue *q) 798c7cdca3bSGerd Hoffmann { 799c7cdca3bSGerd Hoffmann EHCIPacket *p; 8005c514681SGerd Hoffmann int packets = 0; 801c7cdca3bSGerd Hoffmann 802c7cdca3bSGerd Hoffmann p = QTAILQ_FIRST(&q->packets); 803c7cdca3bSGerd Hoffmann if (p == NULL) { 8045c514681SGerd Hoffmann return 0; 805c7cdca3bSGerd Hoffmann } 806c7cdca3bSGerd Hoffmann 807c7cdca3bSGerd Hoffmann trace_usb_ehci_queue_action(q, "cancel"); 808c7cdca3bSGerd Hoffmann do { 809c7cdca3bSGerd Hoffmann ehci_free_packet(p); 8105c514681SGerd Hoffmann packets++; 811c7cdca3bSGerd Hoffmann } while ((p = QTAILQ_FIRST(&q->packets)) != NULL); 8125c514681SGerd Hoffmann return packets; 813c7cdca3bSGerd Hoffmann } 814c7cdca3bSGerd Hoffmann 8155c514681SGerd Hoffmann static int ehci_reset_queue(EHCIQueue *q) 816dafe31fcSHans de Goede { 8175c514681SGerd Hoffmann int packets; 8185c514681SGerd Hoffmann 819dafe31fcSHans de Goede trace_usb_ehci_queue_action(q, "reset"); 8205c514681SGerd Hoffmann packets = ehci_cancel_queue(q); 821dafe31fcSHans de Goede q->dev = NULL; 822dafe31fcSHans de Goede q->qtdaddr = 0; 8235c514681SGerd Hoffmann return packets; 824dafe31fcSHans de Goede } 825dafe31fcSHans de Goede 8263a8ca08eSHans de Goede static void ehci_free_queue(EHCIQueue *q, const char *warn) 827f1ae32a1SGerd Hoffmann { 828ae0138a8SGerd Hoffmann EHCIQueueHead *head = q->async ? &q->ehci->aqueues : &q->ehci->pqueues; 8293a8ca08eSHans de Goede int cancelled; 830eb36a88eSGerd Hoffmann 831f1ae32a1SGerd Hoffmann trace_usb_ehci_queue_action(q, "free"); 8323a8ca08eSHans de Goede cancelled = ehci_cancel_queue(q); 8333a8ca08eSHans de Goede if (warn && cancelled > 0) { 8343a8ca08eSHans de Goede ehci_trace_guest_bug(q->ehci, warn); 8353a8ca08eSHans de Goede } 836f1ae32a1SGerd Hoffmann QTAILQ_REMOVE(head, q, next); 837f1ae32a1SGerd Hoffmann g_free(q); 838f1ae32a1SGerd Hoffmann } 839f1ae32a1SGerd Hoffmann 840f1ae32a1SGerd Hoffmann static EHCIQueue *ehci_find_queue_by_qh(EHCIState *ehci, uint32_t addr, 841f1ae32a1SGerd Hoffmann int async) 842f1ae32a1SGerd Hoffmann { 843f1ae32a1SGerd Hoffmann EHCIQueueHead *head = async ? &ehci->aqueues : &ehci->pqueues; 844f1ae32a1SGerd Hoffmann EHCIQueue *q; 845f1ae32a1SGerd Hoffmann 846f1ae32a1SGerd Hoffmann QTAILQ_FOREACH(q, head, next) { 847f1ae32a1SGerd Hoffmann if (addr == q->qhaddr) { 848f1ae32a1SGerd Hoffmann return q; 849f1ae32a1SGerd Hoffmann } 850f1ae32a1SGerd Hoffmann } 851f1ae32a1SGerd Hoffmann return NULL; 852f1ae32a1SGerd Hoffmann } 853f1ae32a1SGerd Hoffmann 8548f5457ebSHans de Goede static void ehci_queues_rip_unused(EHCIState *ehci, int async) 855f1ae32a1SGerd Hoffmann { 856f1ae32a1SGerd Hoffmann EHCIQueueHead *head = async ? &ehci->aqueues : &ehci->pqueues; 8578f5457ebSHans de Goede const char *warn = async ? "guest unlinked busy QH" : NULL; 8583a215326SGerd Hoffmann uint64_t maxage = FRAME_TIMER_NS * ehci->maxframes * 4; 859f1ae32a1SGerd Hoffmann EHCIQueue *q, *tmp; 860f1ae32a1SGerd Hoffmann 861f1ae32a1SGerd Hoffmann QTAILQ_FOREACH_SAFE(q, head, next, tmp) { 862f1ae32a1SGerd Hoffmann if (q->seen) { 863f1ae32a1SGerd Hoffmann q->seen = 0; 864f1ae32a1SGerd Hoffmann q->ts = ehci->last_run_ns; 865f1ae32a1SGerd Hoffmann continue; 866f1ae32a1SGerd Hoffmann } 8678f5457ebSHans de Goede if (ehci->last_run_ns < q->ts + maxage) { 868f1ae32a1SGerd Hoffmann continue; 869f1ae32a1SGerd Hoffmann } 8703a8ca08eSHans de Goede ehci_free_queue(q, warn); 871f1ae32a1SGerd Hoffmann } 872f1ae32a1SGerd Hoffmann } 873f1ae32a1SGerd Hoffmann 8748f5457ebSHans de Goede static void ehci_queues_rip_unseen(EHCIState *ehci, int async) 8758f5457ebSHans de Goede { 8768f5457ebSHans de Goede EHCIQueueHead *head = async ? &ehci->aqueues : &ehci->pqueues; 8778f5457ebSHans de Goede EHCIQueue *q, *tmp; 8788f5457ebSHans de Goede 8798f5457ebSHans de Goede QTAILQ_FOREACH_SAFE(q, head, next, tmp) { 8808f5457ebSHans de Goede if (!q->seen) { 8818f5457ebSHans de Goede ehci_free_queue(q, NULL); 8828f5457ebSHans de Goede } 8838f5457ebSHans de Goede } 8848f5457ebSHans de Goede } 8858f5457ebSHans de Goede 886f1ae32a1SGerd Hoffmann static void ehci_queues_rip_device(EHCIState *ehci, USBDevice *dev, int async) 887f1ae32a1SGerd Hoffmann { 888f1ae32a1SGerd Hoffmann EHCIQueueHead *head = async ? &ehci->aqueues : &ehci->pqueues; 889f1ae32a1SGerd Hoffmann EHCIQueue *q, *tmp; 890f1ae32a1SGerd Hoffmann 891f1ae32a1SGerd Hoffmann QTAILQ_FOREACH_SAFE(q, head, next, tmp) { 892e59928b3SGerd Hoffmann if (q->dev != dev) { 893f1ae32a1SGerd Hoffmann continue; 894f1ae32a1SGerd Hoffmann } 8953a8ca08eSHans de Goede ehci_free_queue(q, NULL); 896f1ae32a1SGerd Hoffmann } 897f1ae32a1SGerd Hoffmann } 898f1ae32a1SGerd Hoffmann 899f1ae32a1SGerd Hoffmann static void ehci_queues_rip_all(EHCIState *ehci, int async) 900f1ae32a1SGerd Hoffmann { 901f1ae32a1SGerd Hoffmann EHCIQueueHead *head = async ? &ehci->aqueues : &ehci->pqueues; 9023a8ca08eSHans de Goede const char *warn = async ? "guest stopped busy async schedule" : NULL; 903f1ae32a1SGerd Hoffmann EHCIQueue *q, *tmp; 904f1ae32a1SGerd Hoffmann 905f1ae32a1SGerd Hoffmann QTAILQ_FOREACH_SAFE(q, head, next, tmp) { 9063a8ca08eSHans de Goede ehci_free_queue(q, warn); 907f1ae32a1SGerd Hoffmann } 908f1ae32a1SGerd Hoffmann } 909f1ae32a1SGerd Hoffmann 910f1ae32a1SGerd Hoffmann /* Attach or detach a device on root hub */ 911f1ae32a1SGerd Hoffmann 912f1ae32a1SGerd Hoffmann static void ehci_attach(USBPort *port) 913f1ae32a1SGerd Hoffmann { 914f1ae32a1SGerd Hoffmann EHCIState *s = port->opaque; 915f1ae32a1SGerd Hoffmann uint32_t *portsc = &s->portsc[port->index]; 91630e9d412SGerd Hoffmann const char *owner = (*portsc & PORTSC_POWNER) ? "comp" : "ehci"; 917f1ae32a1SGerd Hoffmann 91830e9d412SGerd Hoffmann trace_usb_ehci_port_attach(port->index, owner, port->dev->product_desc); 919f1ae32a1SGerd Hoffmann 920f1ae32a1SGerd Hoffmann if (*portsc & PORTSC_POWNER) { 921f1ae32a1SGerd Hoffmann USBPort *companion = s->companion_ports[port->index]; 922f1ae32a1SGerd Hoffmann companion->dev = port->dev; 923f1ae32a1SGerd Hoffmann companion->ops->attach(companion); 924f1ae32a1SGerd Hoffmann return; 925f1ae32a1SGerd Hoffmann } 926f1ae32a1SGerd Hoffmann 927f1ae32a1SGerd Hoffmann *portsc |= PORTSC_CONNECT; 928f1ae32a1SGerd Hoffmann *portsc |= PORTSC_CSC; 929f1ae32a1SGerd Hoffmann 9307efc17afSGerd Hoffmann ehci_raise_irq(s, USBSTS_PCD); 9317efc17afSGerd Hoffmann ehci_commit_irq(s); 932f1ae32a1SGerd Hoffmann } 933f1ae32a1SGerd Hoffmann 934f1ae32a1SGerd Hoffmann static void ehci_detach(USBPort *port) 935f1ae32a1SGerd Hoffmann { 936f1ae32a1SGerd Hoffmann EHCIState *s = port->opaque; 937f1ae32a1SGerd Hoffmann uint32_t *portsc = &s->portsc[port->index]; 93830e9d412SGerd Hoffmann const char *owner = (*portsc & PORTSC_POWNER) ? "comp" : "ehci"; 939f1ae32a1SGerd Hoffmann 94030e9d412SGerd Hoffmann trace_usb_ehci_port_detach(port->index, owner); 941f1ae32a1SGerd Hoffmann 942f1ae32a1SGerd Hoffmann if (*portsc & PORTSC_POWNER) { 943f1ae32a1SGerd Hoffmann USBPort *companion = s->companion_ports[port->index]; 944f1ae32a1SGerd Hoffmann companion->ops->detach(companion); 945f1ae32a1SGerd Hoffmann companion->dev = NULL; 946f1ae32a1SGerd Hoffmann /* 947f1ae32a1SGerd Hoffmann * EHCI spec 4.2.2: "When a disconnect occurs... On the event, 948f1ae32a1SGerd Hoffmann * the port ownership is returned immediately to the EHCI controller." 949f1ae32a1SGerd Hoffmann */ 950f1ae32a1SGerd Hoffmann *portsc &= ~PORTSC_POWNER; 951f1ae32a1SGerd Hoffmann return; 952f1ae32a1SGerd Hoffmann } 953f1ae32a1SGerd Hoffmann 954f1ae32a1SGerd Hoffmann ehci_queues_rip_device(s, port->dev, 0); 955f1ae32a1SGerd Hoffmann ehci_queues_rip_device(s, port->dev, 1); 956f1ae32a1SGerd Hoffmann 957f1ae32a1SGerd Hoffmann *portsc &= ~(PORTSC_CONNECT|PORTSC_PED); 958f1ae32a1SGerd Hoffmann *portsc |= PORTSC_CSC; 959f1ae32a1SGerd Hoffmann 9607efc17afSGerd Hoffmann ehci_raise_irq(s, USBSTS_PCD); 9617efc17afSGerd Hoffmann ehci_commit_irq(s); 962f1ae32a1SGerd Hoffmann } 963f1ae32a1SGerd Hoffmann 964f1ae32a1SGerd Hoffmann static void ehci_child_detach(USBPort *port, USBDevice *child) 965f1ae32a1SGerd Hoffmann { 966f1ae32a1SGerd Hoffmann EHCIState *s = port->opaque; 967f1ae32a1SGerd Hoffmann uint32_t portsc = s->portsc[port->index]; 968f1ae32a1SGerd Hoffmann 969f1ae32a1SGerd Hoffmann if (portsc & PORTSC_POWNER) { 970f1ae32a1SGerd Hoffmann USBPort *companion = s->companion_ports[port->index]; 971f1ae32a1SGerd Hoffmann companion->ops->child_detach(companion, child); 972f1ae32a1SGerd Hoffmann return; 973f1ae32a1SGerd Hoffmann } 974f1ae32a1SGerd Hoffmann 975f1ae32a1SGerd Hoffmann ehci_queues_rip_device(s, child, 0); 976f1ae32a1SGerd Hoffmann ehci_queues_rip_device(s, child, 1); 977f1ae32a1SGerd Hoffmann } 978f1ae32a1SGerd Hoffmann 979f1ae32a1SGerd Hoffmann static void ehci_wakeup(USBPort *port) 980f1ae32a1SGerd Hoffmann { 981f1ae32a1SGerd Hoffmann EHCIState *s = port->opaque; 982f1ae32a1SGerd Hoffmann uint32_t portsc = s->portsc[port->index]; 983f1ae32a1SGerd Hoffmann 984f1ae32a1SGerd Hoffmann if (portsc & PORTSC_POWNER) { 985f1ae32a1SGerd Hoffmann USBPort *companion = s->companion_ports[port->index]; 986f1ae32a1SGerd Hoffmann if (companion->ops->wakeup) { 987f1ae32a1SGerd Hoffmann companion->ops->wakeup(companion); 98837952117SHans de Goede } 98937952117SHans de Goede return; 99037952117SHans de Goede } 99137952117SHans de Goede 9920f588df8SGerd Hoffmann qemu_bh_schedule(s->async_bh); 993f1ae32a1SGerd Hoffmann } 994f1ae32a1SGerd Hoffmann 995f1ae32a1SGerd Hoffmann static int ehci_register_companion(USBBus *bus, USBPort *ports[], 996f1ae32a1SGerd Hoffmann uint32_t portcount, uint32_t firstport) 997f1ae32a1SGerd Hoffmann { 998f1ae32a1SGerd Hoffmann EHCIState *s = container_of(bus, EHCIState, bus); 999f1ae32a1SGerd Hoffmann uint32_t i; 1000f1ae32a1SGerd Hoffmann 1001f1ae32a1SGerd Hoffmann if (firstport + portcount > NB_PORTS) { 1002f1ae32a1SGerd Hoffmann qerror_report(QERR_INVALID_PARAMETER_VALUE, "firstport", 1003f1ae32a1SGerd Hoffmann "firstport on masterbus"); 1004f1ae32a1SGerd Hoffmann error_printf_unless_qmp( 1005f1ae32a1SGerd Hoffmann "firstport value of %u makes companion take ports %u - %u, which " 1006f1ae32a1SGerd Hoffmann "is outside of the valid range of 0 - %u\n", firstport, firstport, 1007f1ae32a1SGerd Hoffmann firstport + portcount - 1, NB_PORTS - 1); 1008f1ae32a1SGerd Hoffmann return -1; 1009f1ae32a1SGerd Hoffmann } 1010f1ae32a1SGerd Hoffmann 1011f1ae32a1SGerd Hoffmann for (i = 0; i < portcount; i++) { 1012f1ae32a1SGerd Hoffmann if (s->companion_ports[firstport + i]) { 1013f1ae32a1SGerd Hoffmann qerror_report(QERR_INVALID_PARAMETER_VALUE, "masterbus", 1014f1ae32a1SGerd Hoffmann "an USB masterbus"); 1015f1ae32a1SGerd Hoffmann error_printf_unless_qmp( 1016f1ae32a1SGerd Hoffmann "port %u on masterbus %s already has a companion assigned\n", 1017f1ae32a1SGerd Hoffmann firstport + i, bus->qbus.name); 1018f1ae32a1SGerd Hoffmann return -1; 1019f1ae32a1SGerd Hoffmann } 1020f1ae32a1SGerd Hoffmann } 1021f1ae32a1SGerd Hoffmann 1022f1ae32a1SGerd Hoffmann for (i = 0; i < portcount; i++) { 1023f1ae32a1SGerd Hoffmann s->companion_ports[firstport + i] = ports[i]; 1024f1ae32a1SGerd Hoffmann s->ports[firstport + i].speedmask |= 1025f1ae32a1SGerd Hoffmann USB_SPEED_MASK_LOW | USB_SPEED_MASK_FULL; 1026f1ae32a1SGerd Hoffmann /* Ensure devs attached before the initial reset go to the companion */ 1027f1ae32a1SGerd Hoffmann s->portsc[firstport + i] = PORTSC_POWNER; 1028f1ae32a1SGerd Hoffmann } 1029f1ae32a1SGerd Hoffmann 1030f1ae32a1SGerd Hoffmann s->companion_count++; 10313e4f910cSGerd Hoffmann s->caps[0x05] = (s->companion_count << 4) | portcount; 1032f1ae32a1SGerd Hoffmann 1033f1ae32a1SGerd Hoffmann return 0; 1034f1ae32a1SGerd Hoffmann } 1035f1ae32a1SGerd Hoffmann 1036f1ae32a1SGerd Hoffmann static USBDevice *ehci_find_device(EHCIState *ehci, uint8_t addr) 1037f1ae32a1SGerd Hoffmann { 1038f1ae32a1SGerd Hoffmann USBDevice *dev; 1039f1ae32a1SGerd Hoffmann USBPort *port; 1040f1ae32a1SGerd Hoffmann int i; 1041f1ae32a1SGerd Hoffmann 1042f1ae32a1SGerd Hoffmann for (i = 0; i < NB_PORTS; i++) { 1043f1ae32a1SGerd Hoffmann port = &ehci->ports[i]; 1044f1ae32a1SGerd Hoffmann if (!(ehci->portsc[i] & PORTSC_PED)) { 1045f1ae32a1SGerd Hoffmann DPRINTF("Port %d not enabled\n", i); 1046f1ae32a1SGerd Hoffmann continue; 1047f1ae32a1SGerd Hoffmann } 1048f1ae32a1SGerd Hoffmann dev = usb_find_device(port, addr); 1049f1ae32a1SGerd Hoffmann if (dev != NULL) { 1050f1ae32a1SGerd Hoffmann return dev; 1051f1ae32a1SGerd Hoffmann } 1052f1ae32a1SGerd Hoffmann } 1053f1ae32a1SGerd Hoffmann return NULL; 1054f1ae32a1SGerd Hoffmann } 1055f1ae32a1SGerd Hoffmann 1056f1ae32a1SGerd Hoffmann /* 4.1 host controller initialization */ 1057f1ae32a1SGerd Hoffmann static void ehci_reset(void *opaque) 1058f1ae32a1SGerd Hoffmann { 1059f1ae32a1SGerd Hoffmann EHCIState *s = opaque; 1060f1ae32a1SGerd Hoffmann int i; 1061f1ae32a1SGerd Hoffmann USBDevice *devs[NB_PORTS]; 1062f1ae32a1SGerd Hoffmann 1063f1ae32a1SGerd Hoffmann trace_usb_ehci_reset(); 1064f1ae32a1SGerd Hoffmann 1065f1ae32a1SGerd Hoffmann /* 1066f1ae32a1SGerd Hoffmann * Do the detach before touching portsc, so that it correctly gets send to 1067f1ae32a1SGerd Hoffmann * us or to our companion based on PORTSC_POWNER before the reset. 1068f1ae32a1SGerd Hoffmann */ 1069f1ae32a1SGerd Hoffmann for(i = 0; i < NB_PORTS; i++) { 1070f1ae32a1SGerd Hoffmann devs[i] = s->ports[i].dev; 1071f1ae32a1SGerd Hoffmann if (devs[i] && devs[i]->attached) { 1072f1ae32a1SGerd Hoffmann usb_detach(&s->ports[i]); 1073f1ae32a1SGerd Hoffmann } 1074f1ae32a1SGerd Hoffmann } 1075f1ae32a1SGerd Hoffmann 10763e4f910cSGerd Hoffmann memset(&s->opreg, 0x00, sizeof(s->opreg)); 10773e4f910cSGerd Hoffmann memset(&s->portsc, 0x00, sizeof(s->portsc)); 1078f1ae32a1SGerd Hoffmann 1079f1ae32a1SGerd Hoffmann s->usbcmd = NB_MAXINTRATE << USBCMD_ITC_SH; 1080f1ae32a1SGerd Hoffmann s->usbsts = USBSTS_HALT; 10817efc17afSGerd Hoffmann s->usbsts_pending = 0; 10827efc17afSGerd Hoffmann s->usbsts_frindex = 0; 1083f1ae32a1SGerd Hoffmann 1084f1ae32a1SGerd Hoffmann s->astate = EST_INACTIVE; 1085f1ae32a1SGerd Hoffmann s->pstate = EST_INACTIVE; 1086f1ae32a1SGerd Hoffmann 1087f1ae32a1SGerd Hoffmann for(i = 0; i < NB_PORTS; i++) { 1088f1ae32a1SGerd Hoffmann if (s->companion_ports[i]) { 1089f1ae32a1SGerd Hoffmann s->portsc[i] = PORTSC_POWNER | PORTSC_PPOWER; 1090f1ae32a1SGerd Hoffmann } else { 1091f1ae32a1SGerd Hoffmann s->portsc[i] = PORTSC_PPOWER; 1092f1ae32a1SGerd Hoffmann } 1093f1ae32a1SGerd Hoffmann if (devs[i] && devs[i]->attached) { 1094f1ae32a1SGerd Hoffmann usb_attach(&s->ports[i]); 1095f1ae32a1SGerd Hoffmann usb_device_reset(devs[i]); 1096f1ae32a1SGerd Hoffmann } 1097f1ae32a1SGerd Hoffmann } 1098f1ae32a1SGerd Hoffmann ehci_queues_rip_all(s, 0); 1099f1ae32a1SGerd Hoffmann ehci_queues_rip_all(s, 1); 1100f1ae32a1SGerd Hoffmann qemu_del_timer(s->frame_timer); 11010fb3e299SGerd Hoffmann qemu_bh_cancel(s->async_bh); 1102f1ae32a1SGerd Hoffmann } 1103f1ae32a1SGerd Hoffmann 1104a8170e5eSAvi Kivity static uint64_t ehci_caps_read(void *ptr, hwaddr addr, 11053e4f910cSGerd Hoffmann unsigned size) 11063e4f910cSGerd Hoffmann { 11073e4f910cSGerd Hoffmann EHCIState *s = ptr; 11083e4f910cSGerd Hoffmann return s->caps[addr]; 11093e4f910cSGerd Hoffmann } 11103e4f910cSGerd Hoffmann 1111a8170e5eSAvi Kivity static uint64_t ehci_opreg_read(void *ptr, hwaddr addr, 11123e4f910cSGerd Hoffmann unsigned size) 1113f1ae32a1SGerd Hoffmann { 1114f1ae32a1SGerd Hoffmann EHCIState *s = ptr; 1115f1ae32a1SGerd Hoffmann uint32_t val; 1116f1ae32a1SGerd Hoffmann 11173e4f910cSGerd Hoffmann val = s->opreg[addr >> 2]; 11183e4f910cSGerd Hoffmann trace_usb_ehci_opreg_read(addr + OPREGBASE, addr2str(addr), val); 1119f1ae32a1SGerd Hoffmann return val; 1120f1ae32a1SGerd Hoffmann } 1121f1ae32a1SGerd Hoffmann 1122a8170e5eSAvi Kivity static uint64_t ehci_port_read(void *ptr, hwaddr addr, 11233e4f910cSGerd Hoffmann unsigned size) 1124f1ae32a1SGerd Hoffmann { 1125f1ae32a1SGerd Hoffmann EHCIState *s = ptr; 1126f1ae32a1SGerd Hoffmann uint32_t val; 1127f1ae32a1SGerd Hoffmann 11283e4f910cSGerd Hoffmann val = s->portsc[addr >> 2]; 11293e4f910cSGerd Hoffmann trace_usb_ehci_portsc_read(addr + PORTSC_BEGIN, addr >> 2, val); 1130f1ae32a1SGerd Hoffmann return val; 1131f1ae32a1SGerd Hoffmann } 1132f1ae32a1SGerd Hoffmann 1133f1ae32a1SGerd Hoffmann static void handle_port_owner_write(EHCIState *s, int port, uint32_t owner) 1134f1ae32a1SGerd Hoffmann { 1135f1ae32a1SGerd Hoffmann USBDevice *dev = s->ports[port].dev; 1136f1ae32a1SGerd Hoffmann uint32_t *portsc = &s->portsc[port]; 1137f1ae32a1SGerd Hoffmann uint32_t orig; 1138f1ae32a1SGerd Hoffmann 1139f1ae32a1SGerd Hoffmann if (s->companion_ports[port] == NULL) 1140f1ae32a1SGerd Hoffmann return; 1141f1ae32a1SGerd Hoffmann 1142f1ae32a1SGerd Hoffmann owner = owner & PORTSC_POWNER; 1143f1ae32a1SGerd Hoffmann orig = *portsc & PORTSC_POWNER; 1144f1ae32a1SGerd Hoffmann 1145f1ae32a1SGerd Hoffmann if (!(owner ^ orig)) { 1146f1ae32a1SGerd Hoffmann return; 1147f1ae32a1SGerd Hoffmann } 1148f1ae32a1SGerd Hoffmann 1149f1ae32a1SGerd Hoffmann if (dev && dev->attached) { 1150f1ae32a1SGerd Hoffmann usb_detach(&s->ports[port]); 1151f1ae32a1SGerd Hoffmann } 1152f1ae32a1SGerd Hoffmann 1153f1ae32a1SGerd Hoffmann *portsc &= ~PORTSC_POWNER; 1154f1ae32a1SGerd Hoffmann *portsc |= owner; 1155f1ae32a1SGerd Hoffmann 1156f1ae32a1SGerd Hoffmann if (dev && dev->attached) { 1157f1ae32a1SGerd Hoffmann usb_attach(&s->ports[port]); 1158f1ae32a1SGerd Hoffmann } 1159f1ae32a1SGerd Hoffmann } 1160f1ae32a1SGerd Hoffmann 1161a8170e5eSAvi Kivity static void ehci_port_write(void *ptr, hwaddr addr, 11623e4f910cSGerd Hoffmann uint64_t val, unsigned size) 1163f1ae32a1SGerd Hoffmann { 11643e4f910cSGerd Hoffmann EHCIState *s = ptr; 11653e4f910cSGerd Hoffmann int port = addr >> 2; 1166f1ae32a1SGerd Hoffmann uint32_t *portsc = &s->portsc[port]; 11673e4f910cSGerd Hoffmann uint32_t old = *portsc; 1168f1ae32a1SGerd Hoffmann USBDevice *dev = s->ports[port].dev; 1169f1ae32a1SGerd Hoffmann 11703e4f910cSGerd Hoffmann trace_usb_ehci_portsc_write(addr + PORTSC_BEGIN, addr >> 2, val); 11713e4f910cSGerd Hoffmann 1172f1ae32a1SGerd Hoffmann /* Clear rwc bits */ 1173f1ae32a1SGerd Hoffmann *portsc &= ~(val & PORTSC_RWC_MASK); 1174f1ae32a1SGerd Hoffmann /* The guest may clear, but not set the PED bit */ 1175f1ae32a1SGerd Hoffmann *portsc &= val | ~PORTSC_PED; 1176f1ae32a1SGerd Hoffmann /* POWNER is masked out by RO_MASK as it is RO when we've no companion */ 1177f1ae32a1SGerd Hoffmann handle_port_owner_write(s, port, val); 1178f1ae32a1SGerd Hoffmann /* And finally apply RO_MASK */ 1179f1ae32a1SGerd Hoffmann val &= PORTSC_RO_MASK; 1180f1ae32a1SGerd Hoffmann 1181f1ae32a1SGerd Hoffmann if ((val & PORTSC_PRESET) && !(*portsc & PORTSC_PRESET)) { 1182f1ae32a1SGerd Hoffmann trace_usb_ehci_port_reset(port, 1); 1183f1ae32a1SGerd Hoffmann } 1184f1ae32a1SGerd Hoffmann 1185f1ae32a1SGerd Hoffmann if (!(val & PORTSC_PRESET) &&(*portsc & PORTSC_PRESET)) { 1186f1ae32a1SGerd Hoffmann trace_usb_ehci_port_reset(port, 0); 1187f1ae32a1SGerd Hoffmann if (dev && dev->attached) { 1188f1ae32a1SGerd Hoffmann usb_port_reset(&s->ports[port]); 1189f1ae32a1SGerd Hoffmann *portsc &= ~PORTSC_CSC; 1190f1ae32a1SGerd Hoffmann } 1191f1ae32a1SGerd Hoffmann 1192f1ae32a1SGerd Hoffmann /* 1193f1ae32a1SGerd Hoffmann * Table 2.16 Set the enable bit(and enable bit change) to indicate 1194f1ae32a1SGerd Hoffmann * to SW that this port has a high speed device attached 1195f1ae32a1SGerd Hoffmann */ 1196f1ae32a1SGerd Hoffmann if (dev && dev->attached && (dev->speedmask & USB_SPEED_MASK_HIGH)) { 1197f1ae32a1SGerd Hoffmann val |= PORTSC_PED; 1198f1ae32a1SGerd Hoffmann } 1199f1ae32a1SGerd Hoffmann } 1200f1ae32a1SGerd Hoffmann 1201f1ae32a1SGerd Hoffmann *portsc &= ~PORTSC_RO_MASK; 1202f1ae32a1SGerd Hoffmann *portsc |= val; 12033e4f910cSGerd Hoffmann trace_usb_ehci_portsc_change(addr + PORTSC_BEGIN, addr >> 2, *portsc, old); 1204f1ae32a1SGerd Hoffmann } 1205f1ae32a1SGerd Hoffmann 1206a8170e5eSAvi Kivity static void ehci_opreg_write(void *ptr, hwaddr addr, 12073e4f910cSGerd Hoffmann uint64_t val, unsigned size) 1208f1ae32a1SGerd Hoffmann { 1209f1ae32a1SGerd Hoffmann EHCIState *s = ptr; 12103e4f910cSGerd Hoffmann uint32_t *mmio = s->opreg + (addr >> 2); 1211f1ae32a1SGerd Hoffmann uint32_t old = *mmio; 1212f1ae32a1SGerd Hoffmann int i; 1213f1ae32a1SGerd Hoffmann 12143e4f910cSGerd Hoffmann trace_usb_ehci_opreg_write(addr + OPREGBASE, addr2str(addr), val); 1215f1ae32a1SGerd Hoffmann 12163e4f910cSGerd Hoffmann switch (addr + OPREGBASE) { 1217f1ae32a1SGerd Hoffmann case USBCMD: 12187046530cSGerd Hoffmann if (val & USBCMD_HCRESET) { 12197046530cSGerd Hoffmann ehci_reset(s); 12207046530cSGerd Hoffmann val = s->usbcmd; 12217046530cSGerd Hoffmann break; 12227046530cSGerd Hoffmann } 12237046530cSGerd Hoffmann 1224f1ae32a1SGerd Hoffmann /* not supporting dynamic frame list size at the moment */ 1225f1ae32a1SGerd Hoffmann if ((val & USBCMD_FLS) && !(s->usbcmd & USBCMD_FLS)) { 1226f1ae32a1SGerd Hoffmann fprintf(stderr, "attempt to set frame list size -- value %d\n", 12273e4f910cSGerd Hoffmann (int)val & USBCMD_FLS); 1228f1ae32a1SGerd Hoffmann val &= ~USBCMD_FLS; 1229f1ae32a1SGerd Hoffmann } 123047d073ccSHans de Goede 1231a1c3e4b8SHans de Goede if (val & USBCMD_IAAD) { 1232a1c3e4b8SHans de Goede /* 1233a1c3e4b8SHans de Goede * Process IAAD immediately, otherwise the Linux IAAD watchdog may 1234a1c3e4b8SHans de Goede * trigger and re-use a qh without us seeing the unlink. 1235a1c3e4b8SHans de Goede */ 1236a1c3e4b8SHans de Goede s->async_stepdown = 0; 1237a1c3e4b8SHans de Goede qemu_bh_schedule(s->async_bh); 12381defcbd1SGerd Hoffmann trace_usb_ehci_doorbell_ring(); 1239a1c3e4b8SHans de Goede } 1240a1c3e4b8SHans de Goede 124147d073ccSHans de Goede if (((USBCMD_RUNSTOP | USBCMD_PSE | USBCMD_ASE) & val) != 124247d073ccSHans de Goede ((USBCMD_RUNSTOP | USBCMD_PSE | USBCMD_ASE) & s->usbcmd)) { 124347d073ccSHans de Goede if (s->pstate == EST_INACTIVE) { 124447d073ccSHans de Goede SET_LAST_RUN_CLOCK(s); 124547d073ccSHans de Goede } 124647d073ccSHans de Goede s->usbcmd = val; /* Set usbcmd for ehci_update_halt() */ 124747d073ccSHans de Goede ehci_update_halt(s); 124847d073ccSHans de Goede s->async_stepdown = 0; 12490262f65aSHans de Goede qemu_bh_schedule(s->async_bh); 125047d073ccSHans de Goede } 1251f1ae32a1SGerd Hoffmann break; 1252f1ae32a1SGerd Hoffmann 1253f1ae32a1SGerd Hoffmann case USBSTS: 1254a31f0531SJim Meyering val &= USBSTS_RO_MASK; // bits 6 through 31 are RO 1255a31f0531SJim Meyering ehci_clear_usbsts(s, val); // bits 0 through 5 are R/WC 1256f1ae32a1SGerd Hoffmann val = s->usbsts; 12577efc17afSGerd Hoffmann ehci_update_irq(s); 1258f1ae32a1SGerd Hoffmann break; 1259f1ae32a1SGerd Hoffmann 1260f1ae32a1SGerd Hoffmann case USBINTR: 1261f1ae32a1SGerd Hoffmann val &= USBINTR_MASK; 1262f1ae32a1SGerd Hoffmann break; 1263f1ae32a1SGerd Hoffmann 12648a771f77SHans de Goede case FRINDEX: 12658a771f77SHans de Goede val &= 0x00003ff8; /* frindex is 14bits and always a multiple of 8 */ 12668a771f77SHans de Goede break; 12678a771f77SHans de Goede 1268f1ae32a1SGerd Hoffmann case CONFIGFLAG: 1269f1ae32a1SGerd Hoffmann val &= 0x1; 1270f1ae32a1SGerd Hoffmann if (val) { 1271f1ae32a1SGerd Hoffmann for(i = 0; i < NB_PORTS; i++) 1272f1ae32a1SGerd Hoffmann handle_port_owner_write(s, i, 0); 1273f1ae32a1SGerd Hoffmann } 1274f1ae32a1SGerd Hoffmann break; 1275f1ae32a1SGerd Hoffmann 1276f1ae32a1SGerd Hoffmann case PERIODICLISTBASE: 1277ec807d12SGerd Hoffmann if (ehci_periodic_enabled(s)) { 1278f1ae32a1SGerd Hoffmann fprintf(stderr, 1279f1ae32a1SGerd Hoffmann "ehci: PERIODIC list base register set while periodic schedule\n" 1280f1ae32a1SGerd Hoffmann " is enabled and HC is enabled\n"); 1281f1ae32a1SGerd Hoffmann } 1282f1ae32a1SGerd Hoffmann break; 1283f1ae32a1SGerd Hoffmann 1284f1ae32a1SGerd Hoffmann case ASYNCLISTADDR: 1285ec807d12SGerd Hoffmann if (ehci_async_enabled(s)) { 1286f1ae32a1SGerd Hoffmann fprintf(stderr, 1287f1ae32a1SGerd Hoffmann "ehci: ASYNC list address register set while async schedule\n" 1288f1ae32a1SGerd Hoffmann " is enabled and HC is enabled\n"); 1289f1ae32a1SGerd Hoffmann } 1290f1ae32a1SGerd Hoffmann break; 1291f1ae32a1SGerd Hoffmann } 1292f1ae32a1SGerd Hoffmann 1293f1ae32a1SGerd Hoffmann *mmio = val; 12943e4f910cSGerd Hoffmann trace_usb_ehci_opreg_change(addr + OPREGBASE, addr2str(addr), *mmio, old); 1295f1ae32a1SGerd Hoffmann } 1296f1ae32a1SGerd Hoffmann 1297f1ae32a1SGerd Hoffmann 1298f1ae32a1SGerd Hoffmann // TODO : Put in common header file, duplication from usb-ohci.c 1299f1ae32a1SGerd Hoffmann 1300f1ae32a1SGerd Hoffmann /* Get an array of dwords from main memory */ 1301f1ae32a1SGerd Hoffmann static inline int get_dwords(EHCIState *ehci, uint32_t addr, 1302f1ae32a1SGerd Hoffmann uint32_t *buf, int num) 1303f1ae32a1SGerd Hoffmann { 1304f1ae32a1SGerd Hoffmann int i; 1305f1ae32a1SGerd Hoffmann 1306f1ae32a1SGerd Hoffmann for(i = 0; i < num; i++, buf++, addr += sizeof(*buf)) { 1307f1ae32a1SGerd Hoffmann pci_dma_read(&ehci->dev, addr, buf, sizeof(*buf)); 1308f1ae32a1SGerd Hoffmann *buf = le32_to_cpu(*buf); 1309f1ae32a1SGerd Hoffmann } 1310f1ae32a1SGerd Hoffmann 1311f1ae32a1SGerd Hoffmann return 1; 1312f1ae32a1SGerd Hoffmann } 1313f1ae32a1SGerd Hoffmann 1314f1ae32a1SGerd Hoffmann /* Put an array of dwords in to main memory */ 1315f1ae32a1SGerd Hoffmann static inline int put_dwords(EHCIState *ehci, uint32_t addr, 1316f1ae32a1SGerd Hoffmann uint32_t *buf, int num) 1317f1ae32a1SGerd Hoffmann { 1318f1ae32a1SGerd Hoffmann int i; 1319f1ae32a1SGerd Hoffmann 1320f1ae32a1SGerd Hoffmann for(i = 0; i < num; i++, buf++, addr += sizeof(*buf)) { 1321f1ae32a1SGerd Hoffmann uint32_t tmp = cpu_to_le32(*buf); 1322f1ae32a1SGerd Hoffmann pci_dma_write(&ehci->dev, addr, &tmp, sizeof(tmp)); 1323f1ae32a1SGerd Hoffmann } 1324f1ae32a1SGerd Hoffmann 1325f1ae32a1SGerd Hoffmann return 1; 1326f1ae32a1SGerd Hoffmann } 1327f1ae32a1SGerd Hoffmann 1328a5e0139aSGerd Hoffmann /* 1329a5e0139aSGerd Hoffmann * Write the qh back to guest physical memory. This step isn't 1330a5e0139aSGerd Hoffmann * in the EHCI spec but we need to do it since we don't share 1331a5e0139aSGerd Hoffmann * physical memory with our guest VM. 1332a5e0139aSGerd Hoffmann * 1333a5e0139aSGerd Hoffmann * The first three dwords are read-only for the EHCI, so skip them 1334a5e0139aSGerd Hoffmann * when writing back the qh. 1335a5e0139aSGerd Hoffmann */ 1336a5e0139aSGerd Hoffmann static void ehci_flush_qh(EHCIQueue *q) 1337a5e0139aSGerd Hoffmann { 1338a5e0139aSGerd Hoffmann uint32_t *qh = (uint32_t *) &q->qh; 1339a5e0139aSGerd Hoffmann uint32_t dwords = sizeof(EHCIqh) >> 2; 1340a5e0139aSGerd Hoffmann uint32_t addr = NLPTR_GET(q->qhaddr); 1341a5e0139aSGerd Hoffmann 1342a5e0139aSGerd Hoffmann put_dwords(q->ehci, addr + 3 * sizeof(uint32_t), qh + 3, dwords - 3); 1343a5e0139aSGerd Hoffmann } 1344a5e0139aSGerd Hoffmann 1345f1ae32a1SGerd Hoffmann // 4.10.2 1346f1ae32a1SGerd Hoffmann 1347f1ae32a1SGerd Hoffmann static int ehci_qh_do_overlay(EHCIQueue *q) 1348f1ae32a1SGerd Hoffmann { 1349eb36a88eSGerd Hoffmann EHCIPacket *p = QTAILQ_FIRST(&q->packets); 1350f1ae32a1SGerd Hoffmann int i; 1351f1ae32a1SGerd Hoffmann int dtoggle; 1352f1ae32a1SGerd Hoffmann int ping; 1353f1ae32a1SGerd Hoffmann int eps; 1354f1ae32a1SGerd Hoffmann int reload; 1355f1ae32a1SGerd Hoffmann 1356eb36a88eSGerd Hoffmann assert(p != NULL); 1357eb36a88eSGerd Hoffmann assert(p->qtdaddr == q->qtdaddr); 1358eb36a88eSGerd Hoffmann 1359f1ae32a1SGerd Hoffmann // remember values in fields to preserve in qh after overlay 1360f1ae32a1SGerd Hoffmann 1361f1ae32a1SGerd Hoffmann dtoggle = q->qh.token & QTD_TOKEN_DTOGGLE; 1362f1ae32a1SGerd Hoffmann ping = q->qh.token & QTD_TOKEN_PING; 1363f1ae32a1SGerd Hoffmann 1364eb36a88eSGerd Hoffmann q->qh.current_qtd = p->qtdaddr; 1365eb36a88eSGerd Hoffmann q->qh.next_qtd = p->qtd.next; 1366eb36a88eSGerd Hoffmann q->qh.altnext_qtd = p->qtd.altnext; 1367eb36a88eSGerd Hoffmann q->qh.token = p->qtd.token; 1368f1ae32a1SGerd Hoffmann 1369f1ae32a1SGerd Hoffmann 1370f1ae32a1SGerd Hoffmann eps = get_field(q->qh.epchar, QH_EPCHAR_EPS); 1371f1ae32a1SGerd Hoffmann if (eps == EHCI_QH_EPS_HIGH) { 1372f1ae32a1SGerd Hoffmann q->qh.token &= ~QTD_TOKEN_PING; 1373f1ae32a1SGerd Hoffmann q->qh.token |= ping; 1374f1ae32a1SGerd Hoffmann } 1375f1ae32a1SGerd Hoffmann 1376f1ae32a1SGerd Hoffmann reload = get_field(q->qh.epchar, QH_EPCHAR_RL); 1377f1ae32a1SGerd Hoffmann set_field(&q->qh.altnext_qtd, reload, QH_ALTNEXT_NAKCNT); 1378f1ae32a1SGerd Hoffmann 1379f1ae32a1SGerd Hoffmann for (i = 0; i < 5; i++) { 1380eb36a88eSGerd Hoffmann q->qh.bufptr[i] = p->qtd.bufptr[i]; 1381f1ae32a1SGerd Hoffmann } 1382f1ae32a1SGerd Hoffmann 1383f1ae32a1SGerd Hoffmann if (!(q->qh.epchar & QH_EPCHAR_DTC)) { 1384f1ae32a1SGerd Hoffmann // preserve QH DT bit 1385f1ae32a1SGerd Hoffmann q->qh.token &= ~QTD_TOKEN_DTOGGLE; 1386f1ae32a1SGerd Hoffmann q->qh.token |= dtoggle; 1387f1ae32a1SGerd Hoffmann } 1388f1ae32a1SGerd Hoffmann 1389f1ae32a1SGerd Hoffmann q->qh.bufptr[1] &= ~BUFPTR_CPROGMASK_MASK; 1390f1ae32a1SGerd Hoffmann q->qh.bufptr[2] &= ~BUFPTR_FRAMETAG_MASK; 1391f1ae32a1SGerd Hoffmann 1392a5e0139aSGerd Hoffmann ehci_flush_qh(q); 1393f1ae32a1SGerd Hoffmann 1394f1ae32a1SGerd Hoffmann return 0; 1395f1ae32a1SGerd Hoffmann } 1396f1ae32a1SGerd Hoffmann 1397eb36a88eSGerd Hoffmann static int ehci_init_transfer(EHCIPacket *p) 1398f1ae32a1SGerd Hoffmann { 1399f1ae32a1SGerd Hoffmann uint32_t cpage, offset, bytes, plen; 1400f1ae32a1SGerd Hoffmann dma_addr_t page; 1401f1ae32a1SGerd Hoffmann 1402eb36a88eSGerd Hoffmann cpage = get_field(p->qtd.token, QTD_TOKEN_CPAGE); 1403eb36a88eSGerd Hoffmann bytes = get_field(p->qtd.token, QTD_TOKEN_TBYTES); 1404eb36a88eSGerd Hoffmann offset = p->qtd.bufptr[0] & ~QTD_BUFPTR_MASK; 1405eb36a88eSGerd Hoffmann pci_dma_sglist_init(&p->sgl, &p->queue->ehci->dev, 5); 1406f1ae32a1SGerd Hoffmann 1407f1ae32a1SGerd Hoffmann while (bytes > 0) { 1408f1ae32a1SGerd Hoffmann if (cpage > 4) { 1409f1ae32a1SGerd Hoffmann fprintf(stderr, "cpage out of range (%d)\n", cpage); 1410f1ae32a1SGerd Hoffmann return USB_RET_PROCERR; 1411f1ae32a1SGerd Hoffmann } 1412f1ae32a1SGerd Hoffmann 1413eb36a88eSGerd Hoffmann page = p->qtd.bufptr[cpage] & QTD_BUFPTR_MASK; 1414f1ae32a1SGerd Hoffmann page += offset; 1415f1ae32a1SGerd Hoffmann plen = bytes; 1416f1ae32a1SGerd Hoffmann if (plen > 4096 - offset) { 1417f1ae32a1SGerd Hoffmann plen = 4096 - offset; 1418f1ae32a1SGerd Hoffmann offset = 0; 1419f1ae32a1SGerd Hoffmann cpage++; 1420f1ae32a1SGerd Hoffmann } 1421f1ae32a1SGerd Hoffmann 1422eb36a88eSGerd Hoffmann qemu_sglist_add(&p->sgl, page, plen); 1423f1ae32a1SGerd Hoffmann bytes -= plen; 1424f1ae32a1SGerd Hoffmann } 1425f1ae32a1SGerd Hoffmann return 0; 1426f1ae32a1SGerd Hoffmann } 1427f1ae32a1SGerd Hoffmann 1428f1ae32a1SGerd Hoffmann static void ehci_finish_transfer(EHCIQueue *q, int status) 1429f1ae32a1SGerd Hoffmann { 1430f1ae32a1SGerd Hoffmann uint32_t cpage, offset; 1431f1ae32a1SGerd Hoffmann 1432f1ae32a1SGerd Hoffmann if (status > 0) { 1433f1ae32a1SGerd Hoffmann /* update cpage & offset */ 1434f1ae32a1SGerd Hoffmann cpage = get_field(q->qh.token, QTD_TOKEN_CPAGE); 1435f1ae32a1SGerd Hoffmann offset = q->qh.bufptr[0] & ~QTD_BUFPTR_MASK; 1436f1ae32a1SGerd Hoffmann 1437f1ae32a1SGerd Hoffmann offset += status; 1438f1ae32a1SGerd Hoffmann cpage += offset >> QTD_BUFPTR_SH; 1439f1ae32a1SGerd Hoffmann offset &= ~QTD_BUFPTR_MASK; 1440f1ae32a1SGerd Hoffmann 1441f1ae32a1SGerd Hoffmann set_field(&q->qh.token, cpage, QTD_TOKEN_CPAGE); 1442f1ae32a1SGerd Hoffmann q->qh.bufptr[0] &= QTD_BUFPTR_MASK; 1443f1ae32a1SGerd Hoffmann q->qh.bufptr[0] |= offset; 1444f1ae32a1SGerd Hoffmann } 1445f1ae32a1SGerd Hoffmann } 1446f1ae32a1SGerd Hoffmann 1447f1ae32a1SGerd Hoffmann static void ehci_async_complete_packet(USBPort *port, USBPacket *packet) 1448f1ae32a1SGerd Hoffmann { 1449eb36a88eSGerd Hoffmann EHCIPacket *p; 1450f1ae32a1SGerd Hoffmann EHCIState *s = port->opaque; 1451f1ae32a1SGerd Hoffmann uint32_t portsc = s->portsc[port->index]; 1452f1ae32a1SGerd Hoffmann 1453f1ae32a1SGerd Hoffmann if (portsc & PORTSC_POWNER) { 1454f1ae32a1SGerd Hoffmann USBPort *companion = s->companion_ports[port->index]; 1455f1ae32a1SGerd Hoffmann companion->ops->complete(companion, packet); 1456f1ae32a1SGerd Hoffmann return; 1457f1ae32a1SGerd Hoffmann } 1458f1ae32a1SGerd Hoffmann 1459eb36a88eSGerd Hoffmann p = container_of(packet, EHCIPacket, packet); 1460eb36a88eSGerd Hoffmann assert(p->async == EHCI_ASYNC_INFLIGHT); 14610cae7b1aSHans de Goede 14620cae7b1aSHans de Goede if (packet->result == USB_RET_REMOVE_FROM_QUEUE) { 14630cae7b1aSHans de Goede trace_usb_ehci_packet_action(p->queue, p, "remove"); 14640cae7b1aSHans de Goede ehci_free_packet(p); 14650cae7b1aSHans de Goede return; 14660cae7b1aSHans de Goede } 14670cae7b1aSHans de Goede 14680cae7b1aSHans de Goede trace_usb_ehci_packet_action(p->queue, p, "wakeup"); 1469eb36a88eSGerd Hoffmann p->async = EHCI_ASYNC_FINISHED; 1470eb36a88eSGerd Hoffmann p->usb_status = packet->result; 1471ae710b99SGerd Hoffmann 1472ae710b99SGerd Hoffmann if (p->queue->async) { 1473ae710b99SGerd Hoffmann qemu_bh_schedule(p->queue->ehci->async_bh); 1474ae710b99SGerd Hoffmann } 1475f1ae32a1SGerd Hoffmann } 1476f1ae32a1SGerd Hoffmann 1477f1ae32a1SGerd Hoffmann static void ehci_execute_complete(EHCIQueue *q) 1478f1ae32a1SGerd Hoffmann { 1479eb36a88eSGerd Hoffmann EHCIPacket *p = QTAILQ_FIRST(&q->packets); 1480eb36a88eSGerd Hoffmann 1481eb36a88eSGerd Hoffmann assert(p != NULL); 1482eb36a88eSGerd Hoffmann assert(p->qtdaddr == q->qtdaddr); 1483ef5b2344SHans de Goede assert(p->async == EHCI_ASYNC_INITIALIZED || 1484ef5b2344SHans de Goede p->async == EHCI_ASYNC_FINISHED); 1485f1ae32a1SGerd Hoffmann 1486f1ae32a1SGerd Hoffmann DPRINTF("execute_complete: qhaddr 0x%x, next %x, qtdaddr 0x%x, status %d\n", 1487f1ae32a1SGerd Hoffmann q->qhaddr, q->qh.next, q->qtdaddr, q->usb_status); 1488f1ae32a1SGerd Hoffmann 1489eb36a88eSGerd Hoffmann if (p->usb_status < 0) { 1490eb36a88eSGerd Hoffmann switch (p->usb_status) { 1491f1ae32a1SGerd Hoffmann case USB_RET_IOERROR: 1492f1ae32a1SGerd Hoffmann case USB_RET_NODEV: 1493f1ae32a1SGerd Hoffmann q->qh.token |= (QTD_TOKEN_HALT | QTD_TOKEN_XACTERR); 1494f1ae32a1SGerd Hoffmann set_field(&q->qh.token, 0, QTD_TOKEN_CERR); 14957efc17afSGerd Hoffmann ehci_raise_irq(q->ehci, USBSTS_ERRINT); 1496f1ae32a1SGerd Hoffmann break; 1497f1ae32a1SGerd Hoffmann case USB_RET_STALL: 1498f1ae32a1SGerd Hoffmann q->qh.token |= QTD_TOKEN_HALT; 14997efc17afSGerd Hoffmann ehci_raise_irq(q->ehci, USBSTS_ERRINT); 1500f1ae32a1SGerd Hoffmann break; 1501f1ae32a1SGerd Hoffmann case USB_RET_NAK: 1502f1ae32a1SGerd Hoffmann set_field(&q->qh.altnext_qtd, 0, QH_ALTNEXT_NAKCNT); 1503f1ae32a1SGerd Hoffmann return; /* We're not done yet with this transaction */ 1504f1ae32a1SGerd Hoffmann case USB_RET_BABBLE: 1505f1ae32a1SGerd Hoffmann q->qh.token |= (QTD_TOKEN_HALT | QTD_TOKEN_BABBLE); 15067efc17afSGerd Hoffmann ehci_raise_irq(q->ehci, USBSTS_ERRINT); 1507f1ae32a1SGerd Hoffmann break; 1508f1ae32a1SGerd Hoffmann default: 1509f1ae32a1SGerd Hoffmann /* should not be triggerable */ 1510eb36a88eSGerd Hoffmann fprintf(stderr, "USB invalid response %d\n", p->usb_status); 1511f1ae32a1SGerd Hoffmann assert(0); 1512f1ae32a1SGerd Hoffmann break; 1513f1ae32a1SGerd Hoffmann } 1514f1ae32a1SGerd Hoffmann } else { 1515f1ae32a1SGerd Hoffmann // TODO check 4.12 for splits 1516549a3c3dSHans de Goede uint32_t tbytes = get_field(q->qh.token, QTD_TOKEN_TBYTES); 1517f1ae32a1SGerd Hoffmann 1518549a3c3dSHans de Goede if (tbytes && p->pid == USB_TOKEN_IN) { 1519549a3c3dSHans de Goede tbytes -= p->usb_status; 1520cf08a8a1SHans de Goede if (tbytes) { 1521cf08a8a1SHans de Goede /* 4.15.1.2 must raise int on a short input packet */ 1522cf08a8a1SHans de Goede ehci_raise_irq(q->ehci, USBSTS_INT); 1523cf08a8a1SHans de Goede } 1524f1ae32a1SGerd Hoffmann } else { 1525549a3c3dSHans de Goede tbytes = 0; 1526f1ae32a1SGerd Hoffmann } 1527f1ae32a1SGerd Hoffmann 1528549a3c3dSHans de Goede DPRINTF("updating tbytes to %d\n", tbytes); 1529549a3c3dSHans de Goede set_field(&q->qh.token, tbytes, QTD_TOKEN_TBYTES); 1530f1ae32a1SGerd Hoffmann } 1531eb36a88eSGerd Hoffmann ehci_finish_transfer(q, p->usb_status); 1532e2f89926SDavid Gibson usb_packet_unmap(&p->packet, &p->sgl); 1533eb36a88eSGerd Hoffmann qemu_sglist_destroy(&p->sgl); 1534ef5b2344SHans de Goede p->async = EHCI_ASYNC_NONE; 1535f1ae32a1SGerd Hoffmann 1536f1ae32a1SGerd Hoffmann q->qh.token ^= QTD_TOKEN_DTOGGLE; 1537f1ae32a1SGerd Hoffmann q->qh.token &= ~QTD_TOKEN_ACTIVE; 1538f1ae32a1SGerd Hoffmann 1539f1ae32a1SGerd Hoffmann if (q->qh.token & QTD_TOKEN_IOC) { 15407efc17afSGerd Hoffmann ehci_raise_irq(q->ehci, USBSTS_INT); 154144272b0fSHans de Goede if (q->async) { 154244272b0fSHans de Goede q->ehci->int_req_by_async = true; 154344272b0fSHans de Goede } 1544f1ae32a1SGerd Hoffmann } 1545f1ae32a1SGerd Hoffmann } 1546f1ae32a1SGerd Hoffmann 1547f1ae32a1SGerd Hoffmann // 4.10.3 1548f1ae32a1SGerd Hoffmann 1549773dc9cdSGerd Hoffmann static int ehci_execute(EHCIPacket *p, const char *action) 1550f1ae32a1SGerd Hoffmann { 1551f1ae32a1SGerd Hoffmann USBEndpoint *ep; 1552f1ae32a1SGerd Hoffmann int ret; 1553f1ae32a1SGerd Hoffmann int endp; 1554*6ba43f1fSHans de Goede bool spd; 1555f1ae32a1SGerd Hoffmann 1556ef5b2344SHans de Goede assert(p->async == EHCI_ASYNC_NONE || 1557ef5b2344SHans de Goede p->async == EHCI_ASYNC_INITIALIZED); 1558ef5b2344SHans de Goede 15594224558fSGerd Hoffmann if (!(p->qtd.token & QTD_TOKEN_ACTIVE)) { 15604224558fSGerd Hoffmann fprintf(stderr, "Attempting to execute inactive qtd\n"); 1561f1ae32a1SGerd Hoffmann return USB_RET_PROCERR; 1562f1ae32a1SGerd Hoffmann } 1563f1ae32a1SGerd Hoffmann 1564549a3c3dSHans de Goede if (get_field(p->qtd.token, QTD_TOKEN_TBYTES) > BUFF_SIZE) { 15653a8ca08eSHans de Goede ehci_trace_guest_bug(p->queue->ehci, 15663a8ca08eSHans de Goede "guest requested more bytes than allowed"); 1567f1ae32a1SGerd Hoffmann return USB_RET_PROCERR; 1568f1ae32a1SGerd Hoffmann } 1569f1ae32a1SGerd Hoffmann 15704224558fSGerd Hoffmann p->pid = (p->qtd.token & QTD_TOKEN_PID_MASK) >> QTD_TOKEN_PID_SH; 1571eb36a88eSGerd Hoffmann switch (p->pid) { 1572eb36a88eSGerd Hoffmann case 0: 1573eb36a88eSGerd Hoffmann p->pid = USB_TOKEN_OUT; 1574eb36a88eSGerd Hoffmann break; 1575eb36a88eSGerd Hoffmann case 1: 1576eb36a88eSGerd Hoffmann p->pid = USB_TOKEN_IN; 1577eb36a88eSGerd Hoffmann break; 1578eb36a88eSGerd Hoffmann case 2: 1579eb36a88eSGerd Hoffmann p->pid = USB_TOKEN_SETUP; 1580eb36a88eSGerd Hoffmann break; 1581eb36a88eSGerd Hoffmann default: 1582eb36a88eSGerd Hoffmann fprintf(stderr, "bad token\n"); 1583eb36a88eSGerd Hoffmann break; 1584f1ae32a1SGerd Hoffmann } 1585f1ae32a1SGerd Hoffmann 1586ef5b2344SHans de Goede endp = get_field(p->queue->qh.epchar, QH_EPCHAR_EP); 1587ef5b2344SHans de Goede ep = usb_ep_get(p->queue->dev, p->pid, endp); 1588ef5b2344SHans de Goede 1589ef5b2344SHans de Goede if (p->async == EHCI_ASYNC_NONE) { 1590eb36a88eSGerd Hoffmann if (ehci_init_transfer(p) != 0) { 1591f1ae32a1SGerd Hoffmann return USB_RET_PROCERR; 1592f1ae32a1SGerd Hoffmann } 1593f1ae32a1SGerd Hoffmann 1594*6ba43f1fSHans de Goede spd = (p->pid == USB_TOKEN_IN && NLPTR_TBIT(p->qtd.altnext) == 0); 1595*6ba43f1fSHans de Goede usb_packet_setup(&p->packet, p->pid, ep, p->qtdaddr, spd); 1596eb36a88eSGerd Hoffmann usb_packet_map(&p->packet, &p->sgl); 1597ef5b2344SHans de Goede p->async = EHCI_ASYNC_INITIALIZED; 1598ef5b2344SHans de Goede } 1599f1ae32a1SGerd Hoffmann 1600773dc9cdSGerd Hoffmann trace_usb_ehci_packet_action(p->queue, p, action); 1601e59928b3SGerd Hoffmann ret = usb_handle_packet(p->queue->dev, &p->packet); 1602549a3c3dSHans de Goede DPRINTF("submit: qh %x next %x qtd %x pid %x len %zd endp %x ret %d\n", 1603f1ae32a1SGerd Hoffmann q->qhaddr, q->qh.next, q->qtdaddr, q->pid, 1604549a3c3dSHans de Goede q->packet.iov.size, endp, ret); 1605f1ae32a1SGerd Hoffmann 1606f1ae32a1SGerd Hoffmann if (ret > BUFF_SIZE) { 1607f1ae32a1SGerd Hoffmann fprintf(stderr, "ret from usb_handle_packet > BUFF_SIZE\n"); 1608f1ae32a1SGerd Hoffmann return USB_RET_PROCERR; 1609f1ae32a1SGerd Hoffmann } 1610f1ae32a1SGerd Hoffmann 1611f1ae32a1SGerd Hoffmann return ret; 1612f1ae32a1SGerd Hoffmann } 1613f1ae32a1SGerd Hoffmann 1614f1ae32a1SGerd Hoffmann /* 4.7.2 1615f1ae32a1SGerd Hoffmann */ 1616f1ae32a1SGerd Hoffmann 1617f1ae32a1SGerd Hoffmann static int ehci_process_itd(EHCIState *ehci, 1618e983395dSGerd Hoffmann EHCIitd *itd, 1619e983395dSGerd Hoffmann uint32_t addr) 1620f1ae32a1SGerd Hoffmann { 1621f1ae32a1SGerd Hoffmann USBDevice *dev; 1622f1ae32a1SGerd Hoffmann USBEndpoint *ep; 1623f1ae32a1SGerd Hoffmann int ret; 1624f1ae32a1SGerd Hoffmann uint32_t i, len, pid, dir, devaddr, endp; 1625f1ae32a1SGerd Hoffmann uint32_t pg, off, ptr1, ptr2, max, mult; 1626f1ae32a1SGerd Hoffmann 1627f1ae32a1SGerd Hoffmann dir =(itd->bufptr[1] & ITD_BUFPTR_DIRECTION); 1628f1ae32a1SGerd Hoffmann devaddr = get_field(itd->bufptr[0], ITD_BUFPTR_DEVADDR); 1629f1ae32a1SGerd Hoffmann endp = get_field(itd->bufptr[0], ITD_BUFPTR_EP); 1630f1ae32a1SGerd Hoffmann max = get_field(itd->bufptr[1], ITD_BUFPTR_MAXPKT); 1631f1ae32a1SGerd Hoffmann mult = get_field(itd->bufptr[2], ITD_BUFPTR_MULT); 1632f1ae32a1SGerd Hoffmann 1633f1ae32a1SGerd Hoffmann for(i = 0; i < 8; i++) { 1634f1ae32a1SGerd Hoffmann if (itd->transact[i] & ITD_XACT_ACTIVE) { 1635f1ae32a1SGerd Hoffmann pg = get_field(itd->transact[i], ITD_XACT_PGSEL); 1636f1ae32a1SGerd Hoffmann off = itd->transact[i] & ITD_XACT_OFFSET_MASK; 1637f1ae32a1SGerd Hoffmann ptr1 = (itd->bufptr[pg] & ITD_BUFPTR_MASK); 1638f1ae32a1SGerd Hoffmann ptr2 = (itd->bufptr[pg+1] & ITD_BUFPTR_MASK); 1639f1ae32a1SGerd Hoffmann len = get_field(itd->transact[i], ITD_XACT_LENGTH); 1640f1ae32a1SGerd Hoffmann 1641f1ae32a1SGerd Hoffmann if (len > max * mult) { 1642f1ae32a1SGerd Hoffmann len = max * mult; 1643f1ae32a1SGerd Hoffmann } 1644f1ae32a1SGerd Hoffmann 1645f1ae32a1SGerd Hoffmann if (len > BUFF_SIZE) { 1646f1ae32a1SGerd Hoffmann return USB_RET_PROCERR; 1647f1ae32a1SGerd Hoffmann } 1648f1ae32a1SGerd Hoffmann 1649f1ae32a1SGerd Hoffmann pci_dma_sglist_init(&ehci->isgl, &ehci->dev, 2); 1650f1ae32a1SGerd Hoffmann if (off + len > 4096) { 1651f1ae32a1SGerd Hoffmann /* transfer crosses page border */ 1652f1ae32a1SGerd Hoffmann uint32_t len2 = off + len - 4096; 1653f1ae32a1SGerd Hoffmann uint32_t len1 = len - len2; 1654f1ae32a1SGerd Hoffmann qemu_sglist_add(&ehci->isgl, ptr1 + off, len1); 1655f1ae32a1SGerd Hoffmann qemu_sglist_add(&ehci->isgl, ptr2, len2); 1656f1ae32a1SGerd Hoffmann } else { 1657f1ae32a1SGerd Hoffmann qemu_sglist_add(&ehci->isgl, ptr1 + off, len); 1658f1ae32a1SGerd Hoffmann } 1659f1ae32a1SGerd Hoffmann 1660f1ae32a1SGerd Hoffmann pid = dir ? USB_TOKEN_IN : USB_TOKEN_OUT; 1661f1ae32a1SGerd Hoffmann 1662f1ae32a1SGerd Hoffmann dev = ehci_find_device(ehci, devaddr); 1663f1ae32a1SGerd Hoffmann ep = usb_ep_get(dev, pid, endp); 16647ce86aa1SHans de Goede if (ep && ep->type == USB_ENDPOINT_XFER_ISOC) { 1665*6ba43f1fSHans de Goede usb_packet_setup(&ehci->ipacket, pid, ep, addr, false); 1666f1ae32a1SGerd Hoffmann usb_packet_map(&ehci->ipacket, &ehci->isgl); 1667f1ae32a1SGerd Hoffmann ret = usb_handle_packet(dev, &ehci->ipacket); 1668f1ae32a1SGerd Hoffmann assert(ret != USB_RET_ASYNC); 1669e2f89926SDavid Gibson usb_packet_unmap(&ehci->ipacket, &ehci->isgl); 1670f1ae32a1SGerd Hoffmann } else { 1671f1ae32a1SGerd Hoffmann DPRINTF("ISOCH: attempt to addess non-iso endpoint\n"); 1672f1ae32a1SGerd Hoffmann ret = USB_RET_NAK; 1673f1ae32a1SGerd Hoffmann } 1674f1ae32a1SGerd Hoffmann qemu_sglist_destroy(&ehci->isgl); 1675f1ae32a1SGerd Hoffmann 1676f1ae32a1SGerd Hoffmann if (ret < 0) { 1677f1ae32a1SGerd Hoffmann switch (ret) { 1678f1ae32a1SGerd Hoffmann default: 1679f1ae32a1SGerd Hoffmann fprintf(stderr, "Unexpected iso usb result: %d\n", ret); 1680f1ae32a1SGerd Hoffmann /* Fall through */ 1681f1ae32a1SGerd Hoffmann case USB_RET_IOERROR: 1682f1ae32a1SGerd Hoffmann case USB_RET_NODEV: 1683f1ae32a1SGerd Hoffmann /* 3.3.2: XACTERR is only allowed on IN transactions */ 1684f1ae32a1SGerd Hoffmann if (dir) { 1685f1ae32a1SGerd Hoffmann itd->transact[i] |= ITD_XACT_XACTERR; 16867efc17afSGerd Hoffmann ehci_raise_irq(ehci, USBSTS_ERRINT); 1687f1ae32a1SGerd Hoffmann } 1688f1ae32a1SGerd Hoffmann break; 1689f1ae32a1SGerd Hoffmann case USB_RET_BABBLE: 1690f1ae32a1SGerd Hoffmann itd->transact[i] |= ITD_XACT_BABBLE; 16917efc17afSGerd Hoffmann ehci_raise_irq(ehci, USBSTS_ERRINT); 1692f1ae32a1SGerd Hoffmann break; 1693f1ae32a1SGerd Hoffmann case USB_RET_NAK: 1694f1ae32a1SGerd Hoffmann /* no data for us, so do a zero-length transfer */ 1695f1ae32a1SGerd Hoffmann ret = 0; 1696f1ae32a1SGerd Hoffmann break; 1697f1ae32a1SGerd Hoffmann } 1698f1ae32a1SGerd Hoffmann } 1699f1ae32a1SGerd Hoffmann if (ret >= 0) { 1700f1ae32a1SGerd Hoffmann if (!dir) { 1701f1ae32a1SGerd Hoffmann /* OUT */ 1702f1ae32a1SGerd Hoffmann set_field(&itd->transact[i], len - ret, ITD_XACT_LENGTH); 1703f1ae32a1SGerd Hoffmann } else { 1704f1ae32a1SGerd Hoffmann /* IN */ 1705f1ae32a1SGerd Hoffmann set_field(&itd->transact[i], ret, ITD_XACT_LENGTH); 1706f1ae32a1SGerd Hoffmann } 1707f1ae32a1SGerd Hoffmann } 1708f1ae32a1SGerd Hoffmann if (itd->transact[i] & ITD_XACT_IOC) { 17097efc17afSGerd Hoffmann ehci_raise_irq(ehci, USBSTS_INT); 1710f1ae32a1SGerd Hoffmann } 1711f1ae32a1SGerd Hoffmann itd->transact[i] &= ~ITD_XACT_ACTIVE; 1712f1ae32a1SGerd Hoffmann } 1713f1ae32a1SGerd Hoffmann } 1714f1ae32a1SGerd Hoffmann return 0; 1715f1ae32a1SGerd Hoffmann } 1716f1ae32a1SGerd Hoffmann 1717cd665715SGerd Hoffmann 1718f1ae32a1SGerd Hoffmann /* This state is the entry point for asynchronous schedule 1719f1ae32a1SGerd Hoffmann * processing. Entry here consitutes a EHCI start event state (4.8.5) 1720f1ae32a1SGerd Hoffmann */ 1721f1ae32a1SGerd Hoffmann static int ehci_state_waitlisthead(EHCIState *ehci, int async) 1722f1ae32a1SGerd Hoffmann { 1723f1ae32a1SGerd Hoffmann EHCIqh qh; 1724f1ae32a1SGerd Hoffmann int i = 0; 1725f1ae32a1SGerd Hoffmann int again = 0; 1726f1ae32a1SGerd Hoffmann uint32_t entry = ehci->asynclistaddr; 1727f1ae32a1SGerd Hoffmann 1728f1ae32a1SGerd Hoffmann /* set reclamation flag at start event (4.8.6) */ 1729f1ae32a1SGerd Hoffmann if (async) { 1730f1ae32a1SGerd Hoffmann ehci_set_usbsts(ehci, USBSTS_REC); 1731f1ae32a1SGerd Hoffmann } 1732f1ae32a1SGerd Hoffmann 17338f5457ebSHans de Goede ehci_queues_rip_unused(ehci, async); 1734f1ae32a1SGerd Hoffmann 1735f1ae32a1SGerd Hoffmann /* Find the head of the list (4.9.1.1) */ 1736f1ae32a1SGerd Hoffmann for(i = 0; i < MAX_QH; i++) { 1737f1ae32a1SGerd Hoffmann get_dwords(ehci, NLPTR_GET(entry), (uint32_t *) &qh, 1738f1ae32a1SGerd Hoffmann sizeof(EHCIqh) >> 2); 1739f1ae32a1SGerd Hoffmann ehci_trace_qh(NULL, NLPTR_GET(entry), &qh); 1740f1ae32a1SGerd Hoffmann 1741f1ae32a1SGerd Hoffmann if (qh.epchar & QH_EPCHAR_H) { 1742f1ae32a1SGerd Hoffmann if (async) { 1743f1ae32a1SGerd Hoffmann entry |= (NLPTR_TYPE_QH << 1); 1744f1ae32a1SGerd Hoffmann } 1745f1ae32a1SGerd Hoffmann 1746f1ae32a1SGerd Hoffmann ehci_set_fetch_addr(ehci, async, entry); 1747f1ae32a1SGerd Hoffmann ehci_set_state(ehci, async, EST_FETCHENTRY); 1748f1ae32a1SGerd Hoffmann again = 1; 1749f1ae32a1SGerd Hoffmann goto out; 1750f1ae32a1SGerd Hoffmann } 1751f1ae32a1SGerd Hoffmann 1752f1ae32a1SGerd Hoffmann entry = qh.next; 1753f1ae32a1SGerd Hoffmann if (entry == ehci->asynclistaddr) { 1754f1ae32a1SGerd Hoffmann break; 1755f1ae32a1SGerd Hoffmann } 1756f1ae32a1SGerd Hoffmann } 1757f1ae32a1SGerd Hoffmann 1758f1ae32a1SGerd Hoffmann /* no head found for list. */ 1759f1ae32a1SGerd Hoffmann 1760f1ae32a1SGerd Hoffmann ehci_set_state(ehci, async, EST_ACTIVE); 1761f1ae32a1SGerd Hoffmann 1762f1ae32a1SGerd Hoffmann out: 1763f1ae32a1SGerd Hoffmann return again; 1764f1ae32a1SGerd Hoffmann } 1765f1ae32a1SGerd Hoffmann 1766f1ae32a1SGerd Hoffmann 1767f1ae32a1SGerd Hoffmann /* This state is the entry point for periodic schedule processing as 1768f1ae32a1SGerd Hoffmann * well as being a continuation state for async processing. 1769f1ae32a1SGerd Hoffmann */ 1770f1ae32a1SGerd Hoffmann static int ehci_state_fetchentry(EHCIState *ehci, int async) 1771f1ae32a1SGerd Hoffmann { 1772f1ae32a1SGerd Hoffmann int again = 0; 1773f1ae32a1SGerd Hoffmann uint32_t entry = ehci_get_fetch_addr(ehci, async); 1774f1ae32a1SGerd Hoffmann 1775f1ae32a1SGerd Hoffmann if (NLPTR_TBIT(entry)) { 1776f1ae32a1SGerd Hoffmann ehci_set_state(ehci, async, EST_ACTIVE); 1777f1ae32a1SGerd Hoffmann goto out; 1778f1ae32a1SGerd Hoffmann } 1779f1ae32a1SGerd Hoffmann 1780f1ae32a1SGerd Hoffmann /* section 4.8, only QH in async schedule */ 1781f1ae32a1SGerd Hoffmann if (async && (NLPTR_TYPE_GET(entry) != NLPTR_TYPE_QH)) { 1782f1ae32a1SGerd Hoffmann fprintf(stderr, "non queue head request in async schedule\n"); 1783f1ae32a1SGerd Hoffmann return -1; 1784f1ae32a1SGerd Hoffmann } 1785f1ae32a1SGerd Hoffmann 1786f1ae32a1SGerd Hoffmann switch (NLPTR_TYPE_GET(entry)) { 1787f1ae32a1SGerd Hoffmann case NLPTR_TYPE_QH: 1788f1ae32a1SGerd Hoffmann ehci_set_state(ehci, async, EST_FETCHQH); 1789f1ae32a1SGerd Hoffmann again = 1; 1790f1ae32a1SGerd Hoffmann break; 1791f1ae32a1SGerd Hoffmann 1792f1ae32a1SGerd Hoffmann case NLPTR_TYPE_ITD: 1793f1ae32a1SGerd Hoffmann ehci_set_state(ehci, async, EST_FETCHITD); 1794f1ae32a1SGerd Hoffmann again = 1; 1795f1ae32a1SGerd Hoffmann break; 1796f1ae32a1SGerd Hoffmann 1797f1ae32a1SGerd Hoffmann case NLPTR_TYPE_STITD: 1798f1ae32a1SGerd Hoffmann ehci_set_state(ehci, async, EST_FETCHSITD); 1799f1ae32a1SGerd Hoffmann again = 1; 1800f1ae32a1SGerd Hoffmann break; 1801f1ae32a1SGerd Hoffmann 1802f1ae32a1SGerd Hoffmann default: 1803f1ae32a1SGerd Hoffmann /* TODO: handle FSTN type */ 1804f1ae32a1SGerd Hoffmann fprintf(stderr, "FETCHENTRY: entry at %X is of type %d " 1805f1ae32a1SGerd Hoffmann "which is not supported yet\n", entry, NLPTR_TYPE_GET(entry)); 1806f1ae32a1SGerd Hoffmann return -1; 1807f1ae32a1SGerd Hoffmann } 1808f1ae32a1SGerd Hoffmann 1809f1ae32a1SGerd Hoffmann out: 1810f1ae32a1SGerd Hoffmann return again; 1811f1ae32a1SGerd Hoffmann } 1812f1ae32a1SGerd Hoffmann 1813f1ae32a1SGerd Hoffmann static EHCIQueue *ehci_state_fetchqh(EHCIState *ehci, int async) 1814f1ae32a1SGerd Hoffmann { 1815eb36a88eSGerd Hoffmann EHCIPacket *p; 1816dafe31fcSHans de Goede uint32_t entry, devaddr, endp; 1817f1ae32a1SGerd Hoffmann EHCIQueue *q; 1818dafe31fcSHans de Goede EHCIqh qh; 1819f1ae32a1SGerd Hoffmann 1820f1ae32a1SGerd Hoffmann entry = ehci_get_fetch_addr(ehci, async); 1821f1ae32a1SGerd Hoffmann q = ehci_find_queue_by_qh(ehci, entry, async); 1822f1ae32a1SGerd Hoffmann if (NULL == q) { 18238f6d5e26SGerd Hoffmann q = ehci_alloc_queue(ehci, entry, async); 1824f1ae32a1SGerd Hoffmann } 1825eb36a88eSGerd Hoffmann p = QTAILQ_FIRST(&q->packets); 1826f1ae32a1SGerd Hoffmann 18278f6d5e26SGerd Hoffmann q->seen++; 1828f1ae32a1SGerd Hoffmann if (q->seen > 1) { 1829f1ae32a1SGerd Hoffmann /* we are going in circles -- stop processing */ 1830f1ae32a1SGerd Hoffmann ehci_set_state(ehci, async, EST_ACTIVE); 1831f1ae32a1SGerd Hoffmann q = NULL; 1832f1ae32a1SGerd Hoffmann goto out; 1833f1ae32a1SGerd Hoffmann } 1834f1ae32a1SGerd Hoffmann 1835f1ae32a1SGerd Hoffmann get_dwords(ehci, NLPTR_GET(q->qhaddr), 1836dafe31fcSHans de Goede (uint32_t *) &qh, sizeof(EHCIqh) >> 2); 1837dafe31fcSHans de Goede ehci_trace_qh(q, NLPTR_GET(q->qhaddr), &qh); 1838f1ae32a1SGerd Hoffmann 1839dafe31fcSHans de Goede /* 1840dafe31fcSHans de Goede * The overlay area of the qh should never be changed by the guest, 1841dafe31fcSHans de Goede * except when idle, in which case the reset is a nop. 1842dafe31fcSHans de Goede */ 1843dafe31fcSHans de Goede devaddr = get_field(qh.epchar, QH_EPCHAR_DEVADDR); 1844dafe31fcSHans de Goede endp = get_field(qh.epchar, QH_EPCHAR_EP); 1845dafe31fcSHans de Goede if ((devaddr != get_field(q->qh.epchar, QH_EPCHAR_DEVADDR)) || 1846dafe31fcSHans de Goede (endp != get_field(q->qh.epchar, QH_EPCHAR_EP)) || 1847dafe31fcSHans de Goede (memcmp(&qh.current_qtd, &q->qh.current_qtd, 1848dafe31fcSHans de Goede 9 * sizeof(uint32_t)) != 0) || 1849dafe31fcSHans de Goede (q->dev != NULL && q->dev->addr != devaddr)) { 18505c514681SGerd Hoffmann if (ehci_reset_queue(q) > 0) { 18515c514681SGerd Hoffmann ehci_trace_guest_bug(ehci, "guest updated active QH"); 18525c514681SGerd Hoffmann } 1853dafe31fcSHans de Goede p = NULL; 1854e59928b3SGerd Hoffmann } 1855dafe31fcSHans de Goede q->qh = qh; 1856dafe31fcSHans de Goede 1857cae5d3f4SHans de Goede q->transact_ctr = get_field(q->qh.epcap, QH_EPCAP_MULT); 1858cae5d3f4SHans de Goede if (q->transact_ctr == 0) { /* Guest bug in some versions of windows */ 1859cae5d3f4SHans de Goede q->transact_ctr = 4; 1860cae5d3f4SHans de Goede } 1861cae5d3f4SHans de Goede 1862e59928b3SGerd Hoffmann if (q->dev == NULL) { 1863e59928b3SGerd Hoffmann q->dev = ehci_find_device(q->ehci, devaddr); 1864e59928b3SGerd Hoffmann } 1865e59928b3SGerd Hoffmann 1866eb36a88eSGerd Hoffmann if (p && p->async == EHCI_ASYNC_FINISHED) { 1867f1ae32a1SGerd Hoffmann /* I/O finished -- continue processing queue */ 1868773dc9cdSGerd Hoffmann trace_usb_ehci_packet_action(p->queue, p, "complete"); 1869f1ae32a1SGerd Hoffmann ehci_set_state(ehci, async, EST_EXECUTING); 1870f1ae32a1SGerd Hoffmann goto out; 1871f1ae32a1SGerd Hoffmann } 1872f1ae32a1SGerd Hoffmann 1873f1ae32a1SGerd Hoffmann if (async && (q->qh.epchar & QH_EPCHAR_H)) { 1874f1ae32a1SGerd Hoffmann 1875f1ae32a1SGerd Hoffmann /* EHCI spec version 1.0 Section 4.8.3 & 4.10.1 */ 1876f1ae32a1SGerd Hoffmann if (ehci->usbsts & USBSTS_REC) { 1877f1ae32a1SGerd Hoffmann ehci_clear_usbsts(ehci, USBSTS_REC); 1878f1ae32a1SGerd Hoffmann } else { 1879f1ae32a1SGerd Hoffmann DPRINTF("FETCHQH: QH 0x%08x. H-bit set, reclamation status reset" 1880f1ae32a1SGerd Hoffmann " - done processing\n", q->qhaddr); 1881f1ae32a1SGerd Hoffmann ehci_set_state(ehci, async, EST_ACTIVE); 1882f1ae32a1SGerd Hoffmann q = NULL; 1883f1ae32a1SGerd Hoffmann goto out; 1884f1ae32a1SGerd Hoffmann } 1885f1ae32a1SGerd Hoffmann } 1886f1ae32a1SGerd Hoffmann 1887f1ae32a1SGerd Hoffmann #if EHCI_DEBUG 1888f1ae32a1SGerd Hoffmann if (q->qhaddr != q->qh.next) { 1889f1ae32a1SGerd Hoffmann DPRINTF("FETCHQH: QH 0x%08x (h %x halt %x active %x) next 0x%08x\n", 1890f1ae32a1SGerd Hoffmann q->qhaddr, 1891f1ae32a1SGerd Hoffmann q->qh.epchar & QH_EPCHAR_H, 1892f1ae32a1SGerd Hoffmann q->qh.token & QTD_TOKEN_HALT, 1893f1ae32a1SGerd Hoffmann q->qh.token & QTD_TOKEN_ACTIVE, 1894f1ae32a1SGerd Hoffmann q->qh.next); 1895f1ae32a1SGerd Hoffmann } 1896f1ae32a1SGerd Hoffmann #endif 1897f1ae32a1SGerd Hoffmann 1898f1ae32a1SGerd Hoffmann if (q->qh.token & QTD_TOKEN_HALT) { 1899f1ae32a1SGerd Hoffmann ehci_set_state(ehci, async, EST_HORIZONTALQH); 1900f1ae32a1SGerd Hoffmann 1901f1ae32a1SGerd Hoffmann } else if ((q->qh.token & QTD_TOKEN_ACTIVE) && 1902f1ae32a1SGerd Hoffmann (NLPTR_TBIT(q->qh.current_qtd) == 0)) { 1903f1ae32a1SGerd Hoffmann q->qtdaddr = q->qh.current_qtd; 1904f1ae32a1SGerd Hoffmann ehci_set_state(ehci, async, EST_FETCHQTD); 1905f1ae32a1SGerd Hoffmann 1906f1ae32a1SGerd Hoffmann } else { 1907f1ae32a1SGerd Hoffmann /* EHCI spec version 1.0 Section 4.10.2 */ 1908f1ae32a1SGerd Hoffmann ehci_set_state(ehci, async, EST_ADVANCEQUEUE); 1909f1ae32a1SGerd Hoffmann } 1910f1ae32a1SGerd Hoffmann 1911f1ae32a1SGerd Hoffmann out: 1912f1ae32a1SGerd Hoffmann return q; 1913f1ae32a1SGerd Hoffmann } 1914f1ae32a1SGerd Hoffmann 1915f1ae32a1SGerd Hoffmann static int ehci_state_fetchitd(EHCIState *ehci, int async) 1916f1ae32a1SGerd Hoffmann { 1917f1ae32a1SGerd Hoffmann uint32_t entry; 1918f1ae32a1SGerd Hoffmann EHCIitd itd; 1919f1ae32a1SGerd Hoffmann 1920f1ae32a1SGerd Hoffmann assert(!async); 1921f1ae32a1SGerd Hoffmann entry = ehci_get_fetch_addr(ehci, async); 1922f1ae32a1SGerd Hoffmann 1923f1ae32a1SGerd Hoffmann get_dwords(ehci, NLPTR_GET(entry), (uint32_t *) &itd, 1924f1ae32a1SGerd Hoffmann sizeof(EHCIitd) >> 2); 1925f1ae32a1SGerd Hoffmann ehci_trace_itd(ehci, entry, &itd); 1926f1ae32a1SGerd Hoffmann 1927e983395dSGerd Hoffmann if (ehci_process_itd(ehci, &itd, entry) != 0) { 1928f1ae32a1SGerd Hoffmann return -1; 1929f1ae32a1SGerd Hoffmann } 1930f1ae32a1SGerd Hoffmann 1931f1ae32a1SGerd Hoffmann put_dwords(ehci, NLPTR_GET(entry), (uint32_t *) &itd, 1932f1ae32a1SGerd Hoffmann sizeof(EHCIitd) >> 2); 1933f1ae32a1SGerd Hoffmann ehci_set_fetch_addr(ehci, async, itd.next); 1934f1ae32a1SGerd Hoffmann ehci_set_state(ehci, async, EST_FETCHENTRY); 1935f1ae32a1SGerd Hoffmann 1936f1ae32a1SGerd Hoffmann return 1; 1937f1ae32a1SGerd Hoffmann } 1938f1ae32a1SGerd Hoffmann 1939f1ae32a1SGerd Hoffmann static int ehci_state_fetchsitd(EHCIState *ehci, int async) 1940f1ae32a1SGerd Hoffmann { 1941f1ae32a1SGerd Hoffmann uint32_t entry; 1942f1ae32a1SGerd Hoffmann EHCIsitd sitd; 1943f1ae32a1SGerd Hoffmann 1944f1ae32a1SGerd Hoffmann assert(!async); 1945f1ae32a1SGerd Hoffmann entry = ehci_get_fetch_addr(ehci, async); 1946f1ae32a1SGerd Hoffmann 1947f1ae32a1SGerd Hoffmann get_dwords(ehci, NLPTR_GET(entry), (uint32_t *)&sitd, 1948f1ae32a1SGerd Hoffmann sizeof(EHCIsitd) >> 2); 1949f1ae32a1SGerd Hoffmann ehci_trace_sitd(ehci, entry, &sitd); 1950f1ae32a1SGerd Hoffmann 1951f1ae32a1SGerd Hoffmann if (!(sitd.results & SITD_RESULTS_ACTIVE)) { 1952f1ae32a1SGerd Hoffmann /* siTD is not active, nothing to do */; 1953f1ae32a1SGerd Hoffmann } else { 1954f1ae32a1SGerd Hoffmann /* TODO: split transfers are not implemented */ 1955f1ae32a1SGerd Hoffmann fprintf(stderr, "WARNING: Skipping active siTD\n"); 1956f1ae32a1SGerd Hoffmann } 1957f1ae32a1SGerd Hoffmann 1958f1ae32a1SGerd Hoffmann ehci_set_fetch_addr(ehci, async, sitd.next); 1959f1ae32a1SGerd Hoffmann ehci_set_state(ehci, async, EST_FETCHENTRY); 1960f1ae32a1SGerd Hoffmann return 1; 1961f1ae32a1SGerd Hoffmann } 1962f1ae32a1SGerd Hoffmann 1963f1ae32a1SGerd Hoffmann /* Section 4.10.2 - paragraph 3 */ 1964ae0138a8SGerd Hoffmann static int ehci_state_advqueue(EHCIQueue *q) 1965f1ae32a1SGerd Hoffmann { 1966f1ae32a1SGerd Hoffmann #if 0 1967f1ae32a1SGerd Hoffmann /* TO-DO: 4.10.2 - paragraph 2 1968f1ae32a1SGerd Hoffmann * if I-bit is set to 1 and QH is not active 1969f1ae32a1SGerd Hoffmann * go to horizontal QH 1970f1ae32a1SGerd Hoffmann */ 1971f1ae32a1SGerd Hoffmann if (I-bit set) { 1972f1ae32a1SGerd Hoffmann ehci_set_state(ehci, async, EST_HORIZONTALQH); 1973f1ae32a1SGerd Hoffmann goto out; 1974f1ae32a1SGerd Hoffmann } 1975f1ae32a1SGerd Hoffmann #endif 1976f1ae32a1SGerd Hoffmann 1977f1ae32a1SGerd Hoffmann /* 1978f1ae32a1SGerd Hoffmann * want data and alt-next qTD is valid 1979f1ae32a1SGerd Hoffmann */ 1980f1ae32a1SGerd Hoffmann if (((q->qh.token & QTD_TOKEN_TBYTES_MASK) != 0) && 1981f1ae32a1SGerd Hoffmann (NLPTR_TBIT(q->qh.altnext_qtd) == 0)) { 1982f1ae32a1SGerd Hoffmann q->qtdaddr = q->qh.altnext_qtd; 1983ae0138a8SGerd Hoffmann ehci_set_state(q->ehci, q->async, EST_FETCHQTD); 1984f1ae32a1SGerd Hoffmann 1985f1ae32a1SGerd Hoffmann /* 1986f1ae32a1SGerd Hoffmann * next qTD is valid 1987f1ae32a1SGerd Hoffmann */ 1988f1ae32a1SGerd Hoffmann } else if (NLPTR_TBIT(q->qh.next_qtd) == 0) { 1989f1ae32a1SGerd Hoffmann q->qtdaddr = q->qh.next_qtd; 1990ae0138a8SGerd Hoffmann ehci_set_state(q->ehci, q->async, EST_FETCHQTD); 1991f1ae32a1SGerd Hoffmann 1992f1ae32a1SGerd Hoffmann /* 1993f1ae32a1SGerd Hoffmann * no valid qTD, try next QH 1994f1ae32a1SGerd Hoffmann */ 1995f1ae32a1SGerd Hoffmann } else { 1996ae0138a8SGerd Hoffmann ehci_set_state(q->ehci, q->async, EST_HORIZONTALQH); 1997f1ae32a1SGerd Hoffmann } 1998f1ae32a1SGerd Hoffmann 1999f1ae32a1SGerd Hoffmann return 1; 2000f1ae32a1SGerd Hoffmann } 2001f1ae32a1SGerd Hoffmann 2002f1ae32a1SGerd Hoffmann /* Section 4.10.2 - paragraph 4 */ 2003ae0138a8SGerd Hoffmann static int ehci_state_fetchqtd(EHCIQueue *q) 2004f1ae32a1SGerd Hoffmann { 2005eb36a88eSGerd Hoffmann EHCIqtd qtd; 2006eb36a88eSGerd Hoffmann EHCIPacket *p; 2007b4ea8664SHans de Goede int again = 1; 2008f1ae32a1SGerd Hoffmann 2009eb36a88eSGerd Hoffmann get_dwords(q->ehci, NLPTR_GET(q->qtdaddr), (uint32_t *) &qtd, 2010f1ae32a1SGerd Hoffmann sizeof(EHCIqtd) >> 2); 2011eb36a88eSGerd Hoffmann ehci_trace_qtd(q, NLPTR_GET(q->qtdaddr), &qtd); 2012f1ae32a1SGerd Hoffmann 2013773dc9cdSGerd Hoffmann p = QTAILQ_FIRST(&q->packets); 2014287fd3f1SGerd Hoffmann if (p != NULL) { 2015287fd3f1SGerd Hoffmann if (p->qtdaddr != q->qtdaddr || 2016287fd3f1SGerd Hoffmann (!NLPTR_TBIT(p->qtd.next) && (p->qtd.next != qtd.next)) || 2017287fd3f1SGerd Hoffmann (!NLPTR_TBIT(p->qtd.altnext) && (p->qtd.altnext != qtd.altnext)) || 2018287fd3f1SGerd Hoffmann p->qtd.bufptr[0] != qtd.bufptr[0]) { 2019287fd3f1SGerd Hoffmann ehci_cancel_queue(q); 20205c514681SGerd Hoffmann ehci_trace_guest_bug(q->ehci, "guest updated active QH or qTD"); 2021287fd3f1SGerd Hoffmann p = NULL; 2022287fd3f1SGerd Hoffmann } else { 2023287fd3f1SGerd Hoffmann p->qtd = qtd; 2024287fd3f1SGerd Hoffmann ehci_qh_do_overlay(q); 2025287fd3f1SGerd Hoffmann } 2026287fd3f1SGerd Hoffmann } 2027287fd3f1SGerd Hoffmann 2028287fd3f1SGerd Hoffmann if (!(qtd.token & QTD_TOKEN_ACTIVE)) { 2029287fd3f1SGerd Hoffmann if (p != NULL) { 2030287fd3f1SGerd Hoffmann /* transfer canceled by guest (clear active) */ 2031c7cdca3bSGerd Hoffmann ehci_cancel_queue(q); 2032c7cdca3bSGerd Hoffmann p = NULL; 2033773dc9cdSGerd Hoffmann } 2034287fd3f1SGerd Hoffmann ehci_set_state(q->ehci, q->async, EST_HORIZONTALQH); 2035287fd3f1SGerd Hoffmann } else if (p != NULL) { 2036adf47834SHans de Goede switch (p->async) { 2037adf47834SHans de Goede case EHCI_ASYNC_NONE: 2038ef5b2344SHans de Goede case EHCI_ASYNC_INITIALIZED: 2039cae5d3f4SHans de Goede /* Not yet executed (MULT), or previously nacked (int) packet */ 2040adf47834SHans de Goede ehci_set_state(q->ehci, q->async, EST_EXECUTE); 2041adf47834SHans de Goede break; 2042adf47834SHans de Goede case EHCI_ASYNC_INFLIGHT: 2043b4ea8664SHans de Goede /* Check if the guest has added new tds to the queue */ 2044b4ea8664SHans de Goede again = (ehci_fill_queue(QTAILQ_LAST(&q->packets, pkts_head)) == 2045b4ea8664SHans de Goede USB_RET_PROCERR) ? -1 : 1; 2046ef5b2344SHans de Goede /* Unfinished async handled packet, go horizontal */ 2047ae0138a8SGerd Hoffmann ehci_set_state(q->ehci, q->async, EST_HORIZONTALQH); 2048adf47834SHans de Goede break; 2049adf47834SHans de Goede case EHCI_ASYNC_FINISHED: 2050cf1f8169SHans de Goede /* 2051cf1f8169SHans de Goede * We get here when advqueue moves to a packet which is already 2052cf1f8169SHans de Goede * finished, which can happen with packets queued up by fill_queue 2053cf1f8169SHans de Goede */ 2054ae0138a8SGerd Hoffmann ehci_set_state(q->ehci, q->async, EST_EXECUTING); 2055adf47834SHans de Goede break; 2056773dc9cdSGerd Hoffmann } 2057287fd3f1SGerd Hoffmann } else { 2058eb36a88eSGerd Hoffmann p = ehci_alloc_packet(q); 2059eb36a88eSGerd Hoffmann p->qtdaddr = q->qtdaddr; 2060eb36a88eSGerd Hoffmann p->qtd = qtd; 2061ae0138a8SGerd Hoffmann ehci_set_state(q->ehci, q->async, EST_EXECUTE); 2062f1ae32a1SGerd Hoffmann } 2063f1ae32a1SGerd Hoffmann 2064f1ae32a1SGerd Hoffmann return again; 2065f1ae32a1SGerd Hoffmann } 2066f1ae32a1SGerd Hoffmann 2067ae0138a8SGerd Hoffmann static int ehci_state_horizqh(EHCIQueue *q) 2068f1ae32a1SGerd Hoffmann { 2069f1ae32a1SGerd Hoffmann int again = 0; 2070f1ae32a1SGerd Hoffmann 2071ae0138a8SGerd Hoffmann if (ehci_get_fetch_addr(q->ehci, q->async) != q->qh.next) { 2072ae0138a8SGerd Hoffmann ehci_set_fetch_addr(q->ehci, q->async, q->qh.next); 2073ae0138a8SGerd Hoffmann ehci_set_state(q->ehci, q->async, EST_FETCHENTRY); 2074f1ae32a1SGerd Hoffmann again = 1; 2075f1ae32a1SGerd Hoffmann } else { 2076ae0138a8SGerd Hoffmann ehci_set_state(q->ehci, q->async, EST_ACTIVE); 2077f1ae32a1SGerd Hoffmann } 2078f1ae32a1SGerd Hoffmann 2079f1ae32a1SGerd Hoffmann return again; 2080f1ae32a1SGerd Hoffmann } 2081f1ae32a1SGerd Hoffmann 2082eff6dce7SHans de Goede static int ehci_fill_queue(EHCIPacket *p) 2083773dc9cdSGerd Hoffmann { 208436dfe324SHans de Goede USBEndpoint *ep = p->packet.ep; 2085773dc9cdSGerd Hoffmann EHCIQueue *q = p->queue; 2086773dc9cdSGerd Hoffmann EHCIqtd qtd = p->qtd; 2087e3a36bceSHans de Goede uint32_t qtdaddr, start_addr = p->qtdaddr; 2088773dc9cdSGerd Hoffmann 2089773dc9cdSGerd Hoffmann for (;;) { 2090773dc9cdSGerd Hoffmann if (NLPTR_TBIT(qtd.next) != 0) { 2091773dc9cdSGerd Hoffmann break; 2092773dc9cdSGerd Hoffmann } 2093773dc9cdSGerd Hoffmann qtdaddr = qtd.next; 2094e3a36bceSHans de Goede /* 2095e3a36bceSHans de Goede * Detect circular td lists, Windows creates these, counting on the 2096e3a36bceSHans de Goede * active bit going low after execution to make the queue stop. 2097e3a36bceSHans de Goede */ 2098e3a36bceSHans de Goede if (qtdaddr == start_addr) { 2099e3a36bceSHans de Goede break; 2100e3a36bceSHans de Goede } 2101773dc9cdSGerd Hoffmann get_dwords(q->ehci, NLPTR_GET(qtdaddr), 2102773dc9cdSGerd Hoffmann (uint32_t *) &qtd, sizeof(EHCIqtd) >> 2); 2103773dc9cdSGerd Hoffmann ehci_trace_qtd(q, NLPTR_GET(qtdaddr), &qtd); 2104773dc9cdSGerd Hoffmann if (!(qtd.token & QTD_TOKEN_ACTIVE)) { 2105773dc9cdSGerd Hoffmann break; 2106773dc9cdSGerd Hoffmann } 2107773dc9cdSGerd Hoffmann p = ehci_alloc_packet(q); 2108773dc9cdSGerd Hoffmann p->qtdaddr = qtdaddr; 2109773dc9cdSGerd Hoffmann p->qtd = qtd; 2110773dc9cdSGerd Hoffmann p->usb_status = ehci_execute(p, "queue"); 2111eff6dce7SHans de Goede if (p->usb_status == USB_RET_PROCERR) { 2112eff6dce7SHans de Goede break; 2113eff6dce7SHans de Goede } 2114df6839c7SAlejandro Martinez Ruiz assert(p->usb_status == USB_RET_ASYNC); 2115773dc9cdSGerd Hoffmann p->async = EHCI_ASYNC_INFLIGHT; 2116773dc9cdSGerd Hoffmann } 211736dfe324SHans de Goede if (p->usb_status != USB_RET_PROCERR) { 211836dfe324SHans de Goede usb_device_flush_ep_queue(ep->dev, ep); 211936dfe324SHans de Goede } 2120eff6dce7SHans de Goede return p->usb_status; 2121773dc9cdSGerd Hoffmann } 2122773dc9cdSGerd Hoffmann 2123ae0138a8SGerd Hoffmann static int ehci_state_execute(EHCIQueue *q) 2124f1ae32a1SGerd Hoffmann { 2125eb36a88eSGerd Hoffmann EHCIPacket *p = QTAILQ_FIRST(&q->packets); 2126f1ae32a1SGerd Hoffmann int again = 0; 2127f1ae32a1SGerd Hoffmann 2128eb36a88eSGerd Hoffmann assert(p != NULL); 2129eb36a88eSGerd Hoffmann assert(p->qtdaddr == q->qtdaddr); 2130eb36a88eSGerd Hoffmann 2131f1ae32a1SGerd Hoffmann if (ehci_qh_do_overlay(q) != 0) { 2132f1ae32a1SGerd Hoffmann return -1; 2133f1ae32a1SGerd Hoffmann } 2134f1ae32a1SGerd Hoffmann 2135f1ae32a1SGerd Hoffmann // TODO verify enough time remains in the uframe as in 4.4.1.1 2136f1ae32a1SGerd Hoffmann // TODO write back ptr to async list when done or out of time 2137f1ae32a1SGerd Hoffmann 2138cae5d3f4SHans de Goede /* 4.10.3, bottom of page 82, go horizontal on transaction counter == 0 */ 2139cae5d3f4SHans de Goede if (!q->async && q->transact_ctr == 0) { 2140ae0138a8SGerd Hoffmann ehci_set_state(q->ehci, q->async, EST_HORIZONTALQH); 2141f1ae32a1SGerd Hoffmann again = 1; 2142f1ae32a1SGerd Hoffmann goto out; 2143f1ae32a1SGerd Hoffmann } 2144f1ae32a1SGerd Hoffmann 2145ae0138a8SGerd Hoffmann if (q->async) { 2146f1ae32a1SGerd Hoffmann ehci_set_usbsts(q->ehci, USBSTS_REC); 2147f1ae32a1SGerd Hoffmann } 2148f1ae32a1SGerd Hoffmann 2149773dc9cdSGerd Hoffmann p->usb_status = ehci_execute(p, "process"); 2150eb36a88eSGerd Hoffmann if (p->usb_status == USB_RET_PROCERR) { 2151f1ae32a1SGerd Hoffmann again = -1; 2152f1ae32a1SGerd Hoffmann goto out; 2153f1ae32a1SGerd Hoffmann } 2154eb36a88eSGerd Hoffmann if (p->usb_status == USB_RET_ASYNC) { 2155f1ae32a1SGerd Hoffmann ehci_flush_qh(q); 2156773dc9cdSGerd Hoffmann trace_usb_ehci_packet_action(p->queue, p, "async"); 2157eb36a88eSGerd Hoffmann p->async = EHCI_ASYNC_INFLIGHT; 2158ae0138a8SGerd Hoffmann ehci_set_state(q->ehci, q->async, EST_HORIZONTALQH); 2159cae5d3f4SHans de Goede if (q->async) { 2160eff6dce7SHans de Goede again = (ehci_fill_queue(p) == USB_RET_PROCERR) ? -1 : 1; 2161cae5d3f4SHans de Goede } else { 2162cae5d3f4SHans de Goede again = 1; 2163cae5d3f4SHans de Goede } 2164f1ae32a1SGerd Hoffmann goto out; 2165f1ae32a1SGerd Hoffmann } 2166f1ae32a1SGerd Hoffmann 2167ae0138a8SGerd Hoffmann ehci_set_state(q->ehci, q->async, EST_EXECUTING); 2168f1ae32a1SGerd Hoffmann again = 1; 2169f1ae32a1SGerd Hoffmann 2170f1ae32a1SGerd Hoffmann out: 2171f1ae32a1SGerd Hoffmann return again; 2172f1ae32a1SGerd Hoffmann } 2173f1ae32a1SGerd Hoffmann 2174ae0138a8SGerd Hoffmann static int ehci_state_executing(EHCIQueue *q) 2175f1ae32a1SGerd Hoffmann { 2176eb36a88eSGerd Hoffmann EHCIPacket *p = QTAILQ_FIRST(&q->packets); 2177f1ae32a1SGerd Hoffmann 2178eb36a88eSGerd Hoffmann assert(p != NULL); 2179eb36a88eSGerd Hoffmann assert(p->qtdaddr == q->qtdaddr); 2180eb36a88eSGerd Hoffmann 2181f1ae32a1SGerd Hoffmann ehci_execute_complete(q); 2182f1ae32a1SGerd Hoffmann 2183cae5d3f4SHans de Goede /* 4.10.3 */ 2184cae5d3f4SHans de Goede if (!q->async && q->transact_ctr > 0) { 2185cae5d3f4SHans de Goede q->transact_ctr--; 2186f1ae32a1SGerd Hoffmann } 2187f1ae32a1SGerd Hoffmann 2188f1ae32a1SGerd Hoffmann /* 4.10.5 */ 2189eb36a88eSGerd Hoffmann if (p->usb_status == USB_RET_NAK) { 2190ae0138a8SGerd Hoffmann ehci_set_state(q->ehci, q->async, EST_HORIZONTALQH); 2191f1ae32a1SGerd Hoffmann } else { 2192ae0138a8SGerd Hoffmann ehci_set_state(q->ehci, q->async, EST_WRITEBACK); 2193f1ae32a1SGerd Hoffmann } 2194f1ae32a1SGerd Hoffmann 2195f1ae32a1SGerd Hoffmann ehci_flush_qh(q); 2196574ef171SHans de Goede return 1; 2197f1ae32a1SGerd Hoffmann } 2198f1ae32a1SGerd Hoffmann 2199f1ae32a1SGerd Hoffmann 2200ae0138a8SGerd Hoffmann static int ehci_state_writeback(EHCIQueue *q) 2201f1ae32a1SGerd Hoffmann { 2202eb36a88eSGerd Hoffmann EHCIPacket *p = QTAILQ_FIRST(&q->packets); 22034ed1c57aSGerd Hoffmann uint32_t *qtd, addr; 2204f1ae32a1SGerd Hoffmann int again = 0; 2205f1ae32a1SGerd Hoffmann 2206f1ae32a1SGerd Hoffmann /* Write back the QTD from the QH area */ 2207eb36a88eSGerd Hoffmann assert(p != NULL); 2208eb36a88eSGerd Hoffmann assert(p->qtdaddr == q->qtdaddr); 2209eb36a88eSGerd Hoffmann 2210eb36a88eSGerd Hoffmann ehci_trace_qtd(q, NLPTR_GET(p->qtdaddr), (EHCIqtd *) &q->qh.next_qtd); 22114ed1c57aSGerd Hoffmann qtd = (uint32_t *) &q->qh.next_qtd; 22124ed1c57aSGerd Hoffmann addr = NLPTR_GET(p->qtdaddr); 22134ed1c57aSGerd Hoffmann put_dwords(q->ehci, addr + 2 * sizeof(uint32_t), qtd + 2, 2); 2214eb36a88eSGerd Hoffmann ehci_free_packet(p); 2215f1ae32a1SGerd Hoffmann 2216f1ae32a1SGerd Hoffmann /* 2217f1ae32a1SGerd Hoffmann * EHCI specs say go horizontal here. 2218f1ae32a1SGerd Hoffmann * 2219f1ae32a1SGerd Hoffmann * We can also advance the queue here for performance reasons. We 2220f1ae32a1SGerd Hoffmann * need to take care to only take that shortcut in case we've 2221f1ae32a1SGerd Hoffmann * processed the qtd just written back without errors, i.e. halt 2222f1ae32a1SGerd Hoffmann * bit is clear. 2223f1ae32a1SGerd Hoffmann */ 2224f1ae32a1SGerd Hoffmann if (q->qh.token & QTD_TOKEN_HALT) { 2225ae0138a8SGerd Hoffmann ehci_set_state(q->ehci, q->async, EST_HORIZONTALQH); 2226f1ae32a1SGerd Hoffmann again = 1; 2227f1ae32a1SGerd Hoffmann } else { 2228ae0138a8SGerd Hoffmann ehci_set_state(q->ehci, q->async, EST_ADVANCEQUEUE); 2229f1ae32a1SGerd Hoffmann again = 1; 2230f1ae32a1SGerd Hoffmann } 2231f1ae32a1SGerd Hoffmann return again; 2232f1ae32a1SGerd Hoffmann } 2233f1ae32a1SGerd Hoffmann 2234f1ae32a1SGerd Hoffmann /* 2235f1ae32a1SGerd Hoffmann * This is the state machine that is common to both async and periodic 2236f1ae32a1SGerd Hoffmann */ 2237f1ae32a1SGerd Hoffmann 2238ae0138a8SGerd Hoffmann static void ehci_advance_state(EHCIState *ehci, int async) 2239f1ae32a1SGerd Hoffmann { 2240f1ae32a1SGerd Hoffmann EHCIQueue *q = NULL; 2241f1ae32a1SGerd Hoffmann int again; 2242f1ae32a1SGerd Hoffmann 2243f1ae32a1SGerd Hoffmann do { 2244f1ae32a1SGerd Hoffmann switch(ehci_get_state(ehci, async)) { 2245f1ae32a1SGerd Hoffmann case EST_WAITLISTHEAD: 2246f1ae32a1SGerd Hoffmann again = ehci_state_waitlisthead(ehci, async); 2247f1ae32a1SGerd Hoffmann break; 2248f1ae32a1SGerd Hoffmann 2249f1ae32a1SGerd Hoffmann case EST_FETCHENTRY: 2250f1ae32a1SGerd Hoffmann again = ehci_state_fetchentry(ehci, async); 2251f1ae32a1SGerd Hoffmann break; 2252f1ae32a1SGerd Hoffmann 2253f1ae32a1SGerd Hoffmann case EST_FETCHQH: 2254f1ae32a1SGerd Hoffmann q = ehci_state_fetchqh(ehci, async); 2255ae0138a8SGerd Hoffmann if (q != NULL) { 2256ae0138a8SGerd Hoffmann assert(q->async == async); 2257ae0138a8SGerd Hoffmann again = 1; 2258ae0138a8SGerd Hoffmann } else { 2259ae0138a8SGerd Hoffmann again = 0; 2260ae0138a8SGerd Hoffmann } 2261f1ae32a1SGerd Hoffmann break; 2262f1ae32a1SGerd Hoffmann 2263f1ae32a1SGerd Hoffmann case EST_FETCHITD: 2264f1ae32a1SGerd Hoffmann again = ehci_state_fetchitd(ehci, async); 2265f1ae32a1SGerd Hoffmann break; 2266f1ae32a1SGerd Hoffmann 2267f1ae32a1SGerd Hoffmann case EST_FETCHSITD: 2268f1ae32a1SGerd Hoffmann again = ehci_state_fetchsitd(ehci, async); 2269f1ae32a1SGerd Hoffmann break; 2270f1ae32a1SGerd Hoffmann 2271f1ae32a1SGerd Hoffmann case EST_ADVANCEQUEUE: 2272ae0138a8SGerd Hoffmann again = ehci_state_advqueue(q); 2273f1ae32a1SGerd Hoffmann break; 2274f1ae32a1SGerd Hoffmann 2275f1ae32a1SGerd Hoffmann case EST_FETCHQTD: 2276ae0138a8SGerd Hoffmann again = ehci_state_fetchqtd(q); 2277f1ae32a1SGerd Hoffmann break; 2278f1ae32a1SGerd Hoffmann 2279f1ae32a1SGerd Hoffmann case EST_HORIZONTALQH: 2280ae0138a8SGerd Hoffmann again = ehci_state_horizqh(q); 2281f1ae32a1SGerd Hoffmann break; 2282f1ae32a1SGerd Hoffmann 2283f1ae32a1SGerd Hoffmann case EST_EXECUTE: 2284ae0138a8SGerd Hoffmann again = ehci_state_execute(q); 22853a215326SGerd Hoffmann if (async) { 22863a215326SGerd Hoffmann ehci->async_stepdown = 0; 22873a215326SGerd Hoffmann } 2288f1ae32a1SGerd Hoffmann break; 2289f1ae32a1SGerd Hoffmann 2290f1ae32a1SGerd Hoffmann case EST_EXECUTING: 2291f1ae32a1SGerd Hoffmann assert(q != NULL); 22923a215326SGerd Hoffmann if (async) { 22933a215326SGerd Hoffmann ehci->async_stepdown = 0; 22943a215326SGerd Hoffmann } 2295ae0138a8SGerd Hoffmann again = ehci_state_executing(q); 2296f1ae32a1SGerd Hoffmann break; 2297f1ae32a1SGerd Hoffmann 2298f1ae32a1SGerd Hoffmann case EST_WRITEBACK: 2299f1ae32a1SGerd Hoffmann assert(q != NULL); 2300ae0138a8SGerd Hoffmann again = ehci_state_writeback(q); 2301f1ae32a1SGerd Hoffmann break; 2302f1ae32a1SGerd Hoffmann 2303f1ae32a1SGerd Hoffmann default: 2304f1ae32a1SGerd Hoffmann fprintf(stderr, "Bad state!\n"); 2305f1ae32a1SGerd Hoffmann again = -1; 2306f1ae32a1SGerd Hoffmann assert(0); 2307f1ae32a1SGerd Hoffmann break; 2308f1ae32a1SGerd Hoffmann } 2309f1ae32a1SGerd Hoffmann 2310f1ae32a1SGerd Hoffmann if (again < 0) { 2311f1ae32a1SGerd Hoffmann fprintf(stderr, "processing error - resetting ehci HC\n"); 2312f1ae32a1SGerd Hoffmann ehci_reset(ehci); 2313f1ae32a1SGerd Hoffmann again = 0; 2314f1ae32a1SGerd Hoffmann } 2315f1ae32a1SGerd Hoffmann } 2316f1ae32a1SGerd Hoffmann while (again); 2317f1ae32a1SGerd Hoffmann } 2318f1ae32a1SGerd Hoffmann 2319f1ae32a1SGerd Hoffmann static void ehci_advance_async_state(EHCIState *ehci) 2320f1ae32a1SGerd Hoffmann { 2321f1ae32a1SGerd Hoffmann const int async = 1; 2322f1ae32a1SGerd Hoffmann 2323f1ae32a1SGerd Hoffmann switch(ehci_get_state(ehci, async)) { 2324f1ae32a1SGerd Hoffmann case EST_INACTIVE: 2325ec807d12SGerd Hoffmann if (!ehci_async_enabled(ehci)) { 2326f1ae32a1SGerd Hoffmann break; 2327f1ae32a1SGerd Hoffmann } 2328f1ae32a1SGerd Hoffmann ehci_set_state(ehci, async, EST_ACTIVE); 2329f1ae32a1SGerd Hoffmann // No break, fall through to ACTIVE 2330f1ae32a1SGerd Hoffmann 2331f1ae32a1SGerd Hoffmann case EST_ACTIVE: 2332ec807d12SGerd Hoffmann if (!ehci_async_enabled(ehci)) { 2333f1ae32a1SGerd Hoffmann ehci_queues_rip_all(ehci, async); 2334f1ae32a1SGerd Hoffmann ehci_set_state(ehci, async, EST_INACTIVE); 2335f1ae32a1SGerd Hoffmann break; 2336f1ae32a1SGerd Hoffmann } 2337f1ae32a1SGerd Hoffmann 2338f1ae32a1SGerd Hoffmann /* make sure guest has acknowledged the doorbell interrupt */ 2339f1ae32a1SGerd Hoffmann /* TO-DO: is this really needed? */ 2340f1ae32a1SGerd Hoffmann if (ehci->usbsts & USBSTS_IAA) { 2341f1ae32a1SGerd Hoffmann DPRINTF("IAA status bit still set.\n"); 2342f1ae32a1SGerd Hoffmann break; 2343f1ae32a1SGerd Hoffmann } 2344f1ae32a1SGerd Hoffmann 2345f1ae32a1SGerd Hoffmann /* check that address register has been set */ 2346f1ae32a1SGerd Hoffmann if (ehci->asynclistaddr == 0) { 2347f1ae32a1SGerd Hoffmann break; 2348f1ae32a1SGerd Hoffmann } 2349f1ae32a1SGerd Hoffmann 2350f1ae32a1SGerd Hoffmann ehci_set_state(ehci, async, EST_WAITLISTHEAD); 2351f1ae32a1SGerd Hoffmann ehci_advance_state(ehci, async); 2352f1ae32a1SGerd Hoffmann 2353f1ae32a1SGerd Hoffmann /* If the doorbell is set, the guest wants to make a change to the 2354f1ae32a1SGerd Hoffmann * schedule. The host controller needs to release cached data. 2355f1ae32a1SGerd Hoffmann * (section 4.8.2) 2356f1ae32a1SGerd Hoffmann */ 2357f1ae32a1SGerd Hoffmann if (ehci->usbcmd & USBCMD_IAAD) { 2358f1ae32a1SGerd Hoffmann /* Remove all unseen qhs from the async qhs queue */ 23598f5457ebSHans de Goede ehci_queues_rip_unseen(ehci, async); 23601defcbd1SGerd Hoffmann trace_usb_ehci_doorbell_ack(); 2361f1ae32a1SGerd Hoffmann ehci->usbcmd &= ~USBCMD_IAAD; 23627efc17afSGerd Hoffmann ehci_raise_irq(ehci, USBSTS_IAA); 2363f1ae32a1SGerd Hoffmann } 2364f1ae32a1SGerd Hoffmann break; 2365f1ae32a1SGerd Hoffmann 2366f1ae32a1SGerd Hoffmann default: 2367f1ae32a1SGerd Hoffmann /* this should only be due to a developer mistake */ 2368f1ae32a1SGerd Hoffmann fprintf(stderr, "ehci: Bad asynchronous state %d. " 2369f1ae32a1SGerd Hoffmann "Resetting to active\n", ehci->astate); 2370f1ae32a1SGerd Hoffmann assert(0); 2371f1ae32a1SGerd Hoffmann } 2372f1ae32a1SGerd Hoffmann } 2373f1ae32a1SGerd Hoffmann 2374f1ae32a1SGerd Hoffmann static void ehci_advance_periodic_state(EHCIState *ehci) 2375f1ae32a1SGerd Hoffmann { 2376f1ae32a1SGerd Hoffmann uint32_t entry; 2377f1ae32a1SGerd Hoffmann uint32_t list; 2378f1ae32a1SGerd Hoffmann const int async = 0; 2379f1ae32a1SGerd Hoffmann 2380f1ae32a1SGerd Hoffmann // 4.6 2381f1ae32a1SGerd Hoffmann 2382f1ae32a1SGerd Hoffmann switch(ehci_get_state(ehci, async)) { 2383f1ae32a1SGerd Hoffmann case EST_INACTIVE: 2384ec807d12SGerd Hoffmann if (!(ehci->frindex & 7) && ehci_periodic_enabled(ehci)) { 2385f1ae32a1SGerd Hoffmann ehci_set_state(ehci, async, EST_ACTIVE); 2386f1ae32a1SGerd Hoffmann // No break, fall through to ACTIVE 2387f1ae32a1SGerd Hoffmann } else 2388f1ae32a1SGerd Hoffmann break; 2389f1ae32a1SGerd Hoffmann 2390f1ae32a1SGerd Hoffmann case EST_ACTIVE: 2391ec807d12SGerd Hoffmann if (!(ehci->frindex & 7) && !ehci_periodic_enabled(ehci)) { 2392f1ae32a1SGerd Hoffmann ehci_queues_rip_all(ehci, async); 2393f1ae32a1SGerd Hoffmann ehci_set_state(ehci, async, EST_INACTIVE); 2394f1ae32a1SGerd Hoffmann break; 2395f1ae32a1SGerd Hoffmann } 2396f1ae32a1SGerd Hoffmann 2397f1ae32a1SGerd Hoffmann list = ehci->periodiclistbase & 0xfffff000; 2398f1ae32a1SGerd Hoffmann /* check that register has been set */ 2399f1ae32a1SGerd Hoffmann if (list == 0) { 2400f1ae32a1SGerd Hoffmann break; 2401f1ae32a1SGerd Hoffmann } 2402f1ae32a1SGerd Hoffmann list |= ((ehci->frindex & 0x1ff8) >> 1); 2403f1ae32a1SGerd Hoffmann 2404f1ae32a1SGerd Hoffmann pci_dma_read(&ehci->dev, list, &entry, sizeof entry); 2405f1ae32a1SGerd Hoffmann entry = le32_to_cpu(entry); 2406f1ae32a1SGerd Hoffmann 2407f1ae32a1SGerd Hoffmann DPRINTF("PERIODIC state adv fr=%d. [%08X] -> %08X\n", 2408f1ae32a1SGerd Hoffmann ehci->frindex / 8, list, entry); 2409f1ae32a1SGerd Hoffmann ehci_set_fetch_addr(ehci, async,entry); 2410f1ae32a1SGerd Hoffmann ehci_set_state(ehci, async, EST_FETCHENTRY); 2411f1ae32a1SGerd Hoffmann ehci_advance_state(ehci, async); 24128f5457ebSHans de Goede ehci_queues_rip_unused(ehci, async); 2413f1ae32a1SGerd Hoffmann break; 2414f1ae32a1SGerd Hoffmann 2415f1ae32a1SGerd Hoffmann default: 2416f1ae32a1SGerd Hoffmann /* this should only be due to a developer mistake */ 2417f1ae32a1SGerd Hoffmann fprintf(stderr, "ehci: Bad periodic state %d. " 2418f1ae32a1SGerd Hoffmann "Resetting to active\n", ehci->pstate); 2419f1ae32a1SGerd Hoffmann assert(0); 2420f1ae32a1SGerd Hoffmann } 2421f1ae32a1SGerd Hoffmann } 2422f1ae32a1SGerd Hoffmann 24236ceced0bSGerd Hoffmann static void ehci_update_frindex(EHCIState *ehci, int frames) 24246ceced0bSGerd Hoffmann { 24256ceced0bSGerd Hoffmann int i; 24266ceced0bSGerd Hoffmann 24276ceced0bSGerd Hoffmann if (!ehci_enabled(ehci)) { 24286ceced0bSGerd Hoffmann return; 24296ceced0bSGerd Hoffmann } 24306ceced0bSGerd Hoffmann 24316ceced0bSGerd Hoffmann for (i = 0; i < frames; i++) { 24326ceced0bSGerd Hoffmann ehci->frindex += 8; 24336ceced0bSGerd Hoffmann 24346ceced0bSGerd Hoffmann if (ehci->frindex == 0x00002000) { 24357efc17afSGerd Hoffmann ehci_raise_irq(ehci, USBSTS_FLR); 24366ceced0bSGerd Hoffmann } 24376ceced0bSGerd Hoffmann 24386ceced0bSGerd Hoffmann if (ehci->frindex == 0x00004000) { 24397efc17afSGerd Hoffmann ehci_raise_irq(ehci, USBSTS_FLR); 24406ceced0bSGerd Hoffmann ehci->frindex = 0; 2441ffa1f2e0SHans de Goede if (ehci->usbsts_frindex >= 0x00004000) { 24427efc17afSGerd Hoffmann ehci->usbsts_frindex -= 0x00004000; 24437efc17afSGerd Hoffmann } else { 24447efc17afSGerd Hoffmann ehci->usbsts_frindex = 0; 24457efc17afSGerd Hoffmann } 24466ceced0bSGerd Hoffmann } 24476ceced0bSGerd Hoffmann } 24486ceced0bSGerd Hoffmann } 24496ceced0bSGerd Hoffmann 2450f1ae32a1SGerd Hoffmann static void ehci_frame_timer(void *opaque) 2451f1ae32a1SGerd Hoffmann { 2452f1ae32a1SGerd Hoffmann EHCIState *ehci = opaque; 24537efc17afSGerd Hoffmann int need_timer = 0; 2454f1ae32a1SGerd Hoffmann int64_t expire_time, t_now; 2455f1ae32a1SGerd Hoffmann uint64_t ns_elapsed; 2456f020ed36SGerd Hoffmann int frames, skipped_frames; 2457f1ae32a1SGerd Hoffmann int i; 2458f1ae32a1SGerd Hoffmann 2459f1ae32a1SGerd Hoffmann t_now = qemu_get_clock_ns(vm_clock); 2460f1ae32a1SGerd Hoffmann ns_elapsed = t_now - ehci->last_run_ns; 2461f1ae32a1SGerd Hoffmann frames = ns_elapsed / FRAME_TIMER_NS; 2462f1ae32a1SGerd Hoffmann 24633a215326SGerd Hoffmann if (ehci_periodic_enabled(ehci) || ehci->pstate != EST_INACTIVE) { 24647efc17afSGerd Hoffmann need_timer++; 2465afb7a0b8SGerd Hoffmann ehci->async_stepdown = 0; 24663a215326SGerd Hoffmann 2467f020ed36SGerd Hoffmann if (frames > ehci->maxframes) { 2468f020ed36SGerd Hoffmann skipped_frames = frames - ehci->maxframes; 2469f020ed36SGerd Hoffmann ehci_update_frindex(ehci, skipped_frames); 2470f020ed36SGerd Hoffmann ehci->last_run_ns += FRAME_TIMER_NS * skipped_frames; 2471f020ed36SGerd Hoffmann frames -= skipped_frames; 2472f020ed36SGerd Hoffmann DPRINTF("WARNING - EHCI skipped %d frames\n", skipped_frames); 2473f1ae32a1SGerd Hoffmann } 2474f1ae32a1SGerd Hoffmann 2475f020ed36SGerd Hoffmann for (i = 0; i < frames; i++) { 24768f74ed1eSHans de Goede /* 24778f74ed1eSHans de Goede * If we're running behind schedule, we should not catch up 24788f74ed1eSHans de Goede * too fast, as that will make some guests unhappy: 24798f74ed1eSHans de Goede * 1) We must process a minimum of MIN_FR_PER_TICK frames, 24808f74ed1eSHans de Goede * otherwise we will never catch up 24818f74ed1eSHans de Goede * 2) Process frames until the guest has requested an irq (IOC) 24828f74ed1eSHans de Goede */ 24838f74ed1eSHans de Goede if (i >= MIN_FR_PER_TICK) { 24848f74ed1eSHans de Goede ehci_commit_irq(ehci); 24858f74ed1eSHans de Goede if ((ehci->usbsts & USBINTR_MASK) & ehci->usbintr) { 24868f74ed1eSHans de Goede break; 24878f74ed1eSHans de Goede } 24888f74ed1eSHans de Goede } 2489f020ed36SGerd Hoffmann ehci_update_frindex(ehci, 1); 2490f020ed36SGerd Hoffmann ehci_advance_periodic_state(ehci); 2491f1ae32a1SGerd Hoffmann ehci->last_run_ns += FRAME_TIMER_NS; 2492f1ae32a1SGerd Hoffmann } 24933a215326SGerd Hoffmann } else { 24943a215326SGerd Hoffmann if (ehci->async_stepdown < ehci->maxframes / 2) { 24953a215326SGerd Hoffmann ehci->async_stepdown++; 24963a215326SGerd Hoffmann } 24973a215326SGerd Hoffmann ehci_update_frindex(ehci, frames); 24983a215326SGerd Hoffmann ehci->last_run_ns += FRAME_TIMER_NS * frames; 24993a215326SGerd Hoffmann } 2500f1ae32a1SGerd Hoffmann 2501f1ae32a1SGerd Hoffmann /* Async is not inside loop since it executes everything it can once 2502f1ae32a1SGerd Hoffmann * called 2503f1ae32a1SGerd Hoffmann */ 25043a215326SGerd Hoffmann if (ehci_async_enabled(ehci) || ehci->astate != EST_INACTIVE) { 25057efc17afSGerd Hoffmann need_timer++; 2506afb7a0b8SGerd Hoffmann ehci_advance_async_state(ehci); 25073a215326SGerd Hoffmann } 2508f1ae32a1SGerd Hoffmann 25097efc17afSGerd Hoffmann ehci_commit_irq(ehci); 25107efc17afSGerd Hoffmann if (ehci->usbsts_pending) { 25117efc17afSGerd Hoffmann need_timer++; 25127efc17afSGerd Hoffmann ehci->async_stepdown = 0; 2513f1ae32a1SGerd Hoffmann } 2514f0ad01f9SGerd Hoffmann 25157efc17afSGerd Hoffmann if (need_timer) { 251644272b0fSHans de Goede /* If we've raised int, we speed up the timer, so that we quickly 251744272b0fSHans de Goede * notice any new packets queued up in response */ 251844272b0fSHans de Goede if (ehci->int_req_by_async && (ehci->usbsts & USBSTS_INT)) { 251944272b0fSHans de Goede expire_time = t_now + get_ticks_per_sec() / (FRAME_TIMER_FREQ * 2); 252044272b0fSHans de Goede ehci->int_req_by_async = false; 252144272b0fSHans de Goede } else { 2522afb7a0b8SGerd Hoffmann expire_time = t_now + (get_ticks_per_sec() 2523afb7a0b8SGerd Hoffmann * (ehci->async_stepdown+1) / FRAME_TIMER_FREQ); 252444272b0fSHans de Goede } 25257efc17afSGerd Hoffmann qemu_mod_timer(ehci->frame_timer, expire_time); 25267efc17afSGerd Hoffmann } 2527daf25307SGerd Hoffmann } 2528f1ae32a1SGerd Hoffmann 25293e4f910cSGerd Hoffmann static const MemoryRegionOps ehci_mmio_caps_ops = { 25303e4f910cSGerd Hoffmann .read = ehci_caps_read, 25313e4f910cSGerd Hoffmann .valid.min_access_size = 1, 25323e4f910cSGerd Hoffmann .valid.max_access_size = 4, 25333e4f910cSGerd Hoffmann .impl.min_access_size = 1, 25343e4f910cSGerd Hoffmann .impl.max_access_size = 1, 25353e4f910cSGerd Hoffmann .endianness = DEVICE_LITTLE_ENDIAN, 25363e4f910cSGerd Hoffmann }; 25373e4f910cSGerd Hoffmann 25383e4f910cSGerd Hoffmann static const MemoryRegionOps ehci_mmio_opreg_ops = { 25393e4f910cSGerd Hoffmann .read = ehci_opreg_read, 25403e4f910cSGerd Hoffmann .write = ehci_opreg_write, 25413e4f910cSGerd Hoffmann .valid.min_access_size = 4, 25423e4f910cSGerd Hoffmann .valid.max_access_size = 4, 25433e4f910cSGerd Hoffmann .endianness = DEVICE_LITTLE_ENDIAN, 25443e4f910cSGerd Hoffmann }; 25453e4f910cSGerd Hoffmann 25463e4f910cSGerd Hoffmann static const MemoryRegionOps ehci_mmio_port_ops = { 25473e4f910cSGerd Hoffmann .read = ehci_port_read, 25483e4f910cSGerd Hoffmann .write = ehci_port_write, 25493e4f910cSGerd Hoffmann .valid.min_access_size = 4, 25503e4f910cSGerd Hoffmann .valid.max_access_size = 4, 2551f1ae32a1SGerd Hoffmann .endianness = DEVICE_LITTLE_ENDIAN, 2552f1ae32a1SGerd Hoffmann }; 2553f1ae32a1SGerd Hoffmann 2554f1ae32a1SGerd Hoffmann static int usb_ehci_initfn(PCIDevice *dev); 2555f1ae32a1SGerd Hoffmann 2556f1ae32a1SGerd Hoffmann static USBPortOps ehci_port_ops = { 2557f1ae32a1SGerd Hoffmann .attach = ehci_attach, 2558f1ae32a1SGerd Hoffmann .detach = ehci_detach, 2559f1ae32a1SGerd Hoffmann .child_detach = ehci_child_detach, 2560f1ae32a1SGerd Hoffmann .wakeup = ehci_wakeup, 2561f1ae32a1SGerd Hoffmann .complete = ehci_async_complete_packet, 2562f1ae32a1SGerd Hoffmann }; 2563f1ae32a1SGerd Hoffmann 2564f1ae32a1SGerd Hoffmann static USBBusOps ehci_bus_ops = { 2565f1ae32a1SGerd Hoffmann .register_companion = ehci_register_companion, 2566f1ae32a1SGerd Hoffmann }; 2567f1ae32a1SGerd Hoffmann 25689a773408SGerd Hoffmann static int usb_ehci_post_load(void *opaque, int version_id) 25699a773408SGerd Hoffmann { 25709a773408SGerd Hoffmann EHCIState *s = opaque; 25719a773408SGerd Hoffmann int i; 25729a773408SGerd Hoffmann 25739a773408SGerd Hoffmann for (i = 0; i < NB_PORTS; i++) { 25749a773408SGerd Hoffmann USBPort *companion = s->companion_ports[i]; 25759a773408SGerd Hoffmann if (companion == NULL) { 25769a773408SGerd Hoffmann continue; 25779a773408SGerd Hoffmann } 25789a773408SGerd Hoffmann if (s->portsc[i] & PORTSC_POWNER) { 25799a773408SGerd Hoffmann companion->dev = s->ports[i].dev; 25809a773408SGerd Hoffmann } else { 25819a773408SGerd Hoffmann companion->dev = NULL; 25829a773408SGerd Hoffmann } 25839a773408SGerd Hoffmann } 25849a773408SGerd Hoffmann 25859a773408SGerd Hoffmann return 0; 25869a773408SGerd Hoffmann } 25879a773408SGerd Hoffmann 2588ceab6f96SHans de Goede static void usb_ehci_vm_state_change(void *opaque, int running, RunState state) 2589ceab6f96SHans de Goede { 2590ceab6f96SHans de Goede EHCIState *ehci = opaque; 2591ceab6f96SHans de Goede 2592ceab6f96SHans de Goede /* 2593ceab6f96SHans de Goede * We don't migrate the EHCIQueue-s, instead we rebuild them for the 2594ceab6f96SHans de Goede * schedule in guest memory. We must do the rebuilt ASAP, so that 2595ceab6f96SHans de Goede * USB-devices which have async handled packages have a packet in the 2596ceab6f96SHans de Goede * ep queue to match the completion with. 2597ceab6f96SHans de Goede */ 2598ceab6f96SHans de Goede if (state == RUN_STATE_RUNNING) { 2599ceab6f96SHans de Goede ehci_advance_async_state(ehci); 2600ceab6f96SHans de Goede } 2601ceab6f96SHans de Goede 2602ceab6f96SHans de Goede /* 2603ceab6f96SHans de Goede * The schedule rebuilt from guest memory could cause the migration dest 2604ceab6f96SHans de Goede * to miss a QH unlink, and fail to cancel packets, since the unlinked QH 2605ceab6f96SHans de Goede * will never have existed on the destination. Therefor we must flush the 2606ceab6f96SHans de Goede * async schedule on savevm to catch any not yet noticed unlinks. 2607ceab6f96SHans de Goede */ 2608ceab6f96SHans de Goede if (state == RUN_STATE_SAVE_VM) { 2609ceab6f96SHans de Goede ehci_advance_async_state(ehci); 2610ceab6f96SHans de Goede ehci_queues_rip_unseen(ehci, 1); 2611ceab6f96SHans de Goede } 2612ceab6f96SHans de Goede } 2613ceab6f96SHans de Goede 2614f1ae32a1SGerd Hoffmann static const VMStateDescription vmstate_ehci = { 2615f1ae32a1SGerd Hoffmann .name = "ehci", 26166d3b6d3dSGerd Hoffmann .version_id = 2, 26176d3b6d3dSGerd Hoffmann .minimum_version_id = 1, 26189a773408SGerd Hoffmann .post_load = usb_ehci_post_load, 26199a773408SGerd Hoffmann .fields = (VMStateField[]) { 26209a773408SGerd Hoffmann VMSTATE_PCI_DEVICE(dev, EHCIState), 26219a773408SGerd Hoffmann /* mmio registers */ 26229a773408SGerd Hoffmann VMSTATE_UINT32(usbcmd, EHCIState), 26239a773408SGerd Hoffmann VMSTATE_UINT32(usbsts, EHCIState), 26246d3b6d3dSGerd Hoffmann VMSTATE_UINT32_V(usbsts_pending, EHCIState, 2), 26256d3b6d3dSGerd Hoffmann VMSTATE_UINT32_V(usbsts_frindex, EHCIState, 2), 26269a773408SGerd Hoffmann VMSTATE_UINT32(usbintr, EHCIState), 26279a773408SGerd Hoffmann VMSTATE_UINT32(frindex, EHCIState), 26289a773408SGerd Hoffmann VMSTATE_UINT32(ctrldssegment, EHCIState), 26299a773408SGerd Hoffmann VMSTATE_UINT32(periodiclistbase, EHCIState), 26309a773408SGerd Hoffmann VMSTATE_UINT32(asynclistaddr, EHCIState), 26319a773408SGerd Hoffmann VMSTATE_UINT32(configflag, EHCIState), 26329a773408SGerd Hoffmann VMSTATE_UINT32(portsc[0], EHCIState), 26339a773408SGerd Hoffmann VMSTATE_UINT32(portsc[1], EHCIState), 26349a773408SGerd Hoffmann VMSTATE_UINT32(portsc[2], EHCIState), 26359a773408SGerd Hoffmann VMSTATE_UINT32(portsc[3], EHCIState), 26369a773408SGerd Hoffmann VMSTATE_UINT32(portsc[4], EHCIState), 26379a773408SGerd Hoffmann VMSTATE_UINT32(portsc[5], EHCIState), 26389a773408SGerd Hoffmann /* frame timer */ 26399a773408SGerd Hoffmann VMSTATE_TIMER(frame_timer, EHCIState), 26409a773408SGerd Hoffmann VMSTATE_UINT64(last_run_ns, EHCIState), 26419a773408SGerd Hoffmann VMSTATE_UINT32(async_stepdown, EHCIState), 26429a773408SGerd Hoffmann /* schedule state */ 26439a773408SGerd Hoffmann VMSTATE_UINT32(astate, EHCIState), 26449a773408SGerd Hoffmann VMSTATE_UINT32(pstate, EHCIState), 26459a773408SGerd Hoffmann VMSTATE_UINT32(a_fetch_addr, EHCIState), 26469a773408SGerd Hoffmann VMSTATE_UINT32(p_fetch_addr, EHCIState), 26479a773408SGerd Hoffmann VMSTATE_END_OF_LIST() 26489a773408SGerd Hoffmann } 2649f1ae32a1SGerd Hoffmann }; 2650f1ae32a1SGerd Hoffmann 2651f1ae32a1SGerd Hoffmann static Property ehci_properties[] = { 2652f1ae32a1SGerd Hoffmann DEFINE_PROP_UINT32("maxframes", EHCIState, maxframes, 128), 2653f1ae32a1SGerd Hoffmann DEFINE_PROP_END_OF_LIST(), 2654f1ae32a1SGerd Hoffmann }; 2655f1ae32a1SGerd Hoffmann 2656f1ae32a1SGerd Hoffmann static void ehci_class_init(ObjectClass *klass, void *data) 2657f1ae32a1SGerd Hoffmann { 2658f1ae32a1SGerd Hoffmann DeviceClass *dc = DEVICE_CLASS(klass); 2659f1ae32a1SGerd Hoffmann PCIDeviceClass *k = PCI_DEVICE_CLASS(klass); 2660f1ae32a1SGerd Hoffmann 2661f1ae32a1SGerd Hoffmann k->init = usb_ehci_initfn; 2662f1ae32a1SGerd Hoffmann k->vendor_id = PCI_VENDOR_ID_INTEL; 2663f1ae32a1SGerd Hoffmann k->device_id = PCI_DEVICE_ID_INTEL_82801D; /* ich4 */ 2664f1ae32a1SGerd Hoffmann k->revision = 0x10; 2665f1ae32a1SGerd Hoffmann k->class_id = PCI_CLASS_SERIAL_USB; 2666f1ae32a1SGerd Hoffmann dc->vmsd = &vmstate_ehci; 2667f1ae32a1SGerd Hoffmann dc->props = ehci_properties; 2668f1ae32a1SGerd Hoffmann } 2669f1ae32a1SGerd Hoffmann 2670f1ae32a1SGerd Hoffmann static TypeInfo ehci_info = { 2671f1ae32a1SGerd Hoffmann .name = "usb-ehci", 2672f1ae32a1SGerd Hoffmann .parent = TYPE_PCI_DEVICE, 2673f1ae32a1SGerd Hoffmann .instance_size = sizeof(EHCIState), 2674f1ae32a1SGerd Hoffmann .class_init = ehci_class_init, 2675f1ae32a1SGerd Hoffmann }; 2676f1ae32a1SGerd Hoffmann 2677f1ae32a1SGerd Hoffmann static void ich9_ehci_class_init(ObjectClass *klass, void *data) 2678f1ae32a1SGerd Hoffmann { 2679f1ae32a1SGerd Hoffmann DeviceClass *dc = DEVICE_CLASS(klass); 2680f1ae32a1SGerd Hoffmann PCIDeviceClass *k = PCI_DEVICE_CLASS(klass); 2681f1ae32a1SGerd Hoffmann 2682f1ae32a1SGerd Hoffmann k->init = usb_ehci_initfn; 2683f1ae32a1SGerd Hoffmann k->vendor_id = PCI_VENDOR_ID_INTEL; 2684f1ae32a1SGerd Hoffmann k->device_id = PCI_DEVICE_ID_INTEL_82801I_EHCI1; 2685f1ae32a1SGerd Hoffmann k->revision = 0x03; 2686f1ae32a1SGerd Hoffmann k->class_id = PCI_CLASS_SERIAL_USB; 2687f1ae32a1SGerd Hoffmann dc->vmsd = &vmstate_ehci; 2688f1ae32a1SGerd Hoffmann dc->props = ehci_properties; 2689f1ae32a1SGerd Hoffmann } 2690f1ae32a1SGerd Hoffmann 2691f1ae32a1SGerd Hoffmann static TypeInfo ich9_ehci_info = { 2692f1ae32a1SGerd Hoffmann .name = "ich9-usb-ehci1", 2693f1ae32a1SGerd Hoffmann .parent = TYPE_PCI_DEVICE, 2694f1ae32a1SGerd Hoffmann .instance_size = sizeof(EHCIState), 2695f1ae32a1SGerd Hoffmann .class_init = ich9_ehci_class_init, 2696f1ae32a1SGerd Hoffmann }; 2697f1ae32a1SGerd Hoffmann 2698f1ae32a1SGerd Hoffmann static int usb_ehci_initfn(PCIDevice *dev) 2699f1ae32a1SGerd Hoffmann { 2700f1ae32a1SGerd Hoffmann EHCIState *s = DO_UPCAST(EHCIState, dev, dev); 2701f1ae32a1SGerd Hoffmann uint8_t *pci_conf = s->dev.config; 2702f1ae32a1SGerd Hoffmann int i; 2703f1ae32a1SGerd Hoffmann 2704f1ae32a1SGerd Hoffmann pci_set_byte(&pci_conf[PCI_CLASS_PROG], 0x20); 2705f1ae32a1SGerd Hoffmann 2706f1ae32a1SGerd Hoffmann /* capabilities pointer */ 2707f1ae32a1SGerd Hoffmann pci_set_byte(&pci_conf[PCI_CAPABILITY_LIST], 0x00); 2708f1ae32a1SGerd Hoffmann //pci_set_byte(&pci_conf[PCI_CAPABILITY_LIST], 0x50); 2709f1ae32a1SGerd Hoffmann 2710f1ae32a1SGerd Hoffmann pci_set_byte(&pci_conf[PCI_INTERRUPT_PIN], 4); /* interrupt pin D */ 2711f1ae32a1SGerd Hoffmann pci_set_byte(&pci_conf[PCI_MIN_GNT], 0); 2712f1ae32a1SGerd Hoffmann pci_set_byte(&pci_conf[PCI_MAX_LAT], 0); 2713f1ae32a1SGerd Hoffmann 2714f1ae32a1SGerd Hoffmann // pci_conf[0x50] = 0x01; // power management caps 2715f1ae32a1SGerd Hoffmann 2716f1ae32a1SGerd Hoffmann pci_set_byte(&pci_conf[USB_SBRN], USB_RELEASE_2); // release number (2.1.4) 2717f1ae32a1SGerd Hoffmann pci_set_byte(&pci_conf[0x61], 0x20); // frame length adjustment (2.1.5) 2718f1ae32a1SGerd Hoffmann pci_set_word(&pci_conf[0x62], 0x00); // port wake up capability (2.1.6) 2719f1ae32a1SGerd Hoffmann 2720f1ae32a1SGerd Hoffmann pci_conf[0x64] = 0x00; 2721f1ae32a1SGerd Hoffmann pci_conf[0x65] = 0x00; 2722f1ae32a1SGerd Hoffmann pci_conf[0x66] = 0x00; 2723f1ae32a1SGerd Hoffmann pci_conf[0x67] = 0x00; 2724f1ae32a1SGerd Hoffmann pci_conf[0x68] = 0x01; 2725f1ae32a1SGerd Hoffmann pci_conf[0x69] = 0x00; 2726f1ae32a1SGerd Hoffmann pci_conf[0x6a] = 0x00; 2727f1ae32a1SGerd Hoffmann pci_conf[0x6b] = 0x00; // USBLEGSUP 2728f1ae32a1SGerd Hoffmann pci_conf[0x6c] = 0x00; 2729f1ae32a1SGerd Hoffmann pci_conf[0x6d] = 0x00; 2730f1ae32a1SGerd Hoffmann pci_conf[0x6e] = 0x00; 2731f1ae32a1SGerd Hoffmann pci_conf[0x6f] = 0xc0; // USBLEFCTLSTS 2732f1ae32a1SGerd Hoffmann 27333e4f910cSGerd Hoffmann /* 2.2 host controller interface version */ 27343e4f910cSGerd Hoffmann s->caps[0x00] = (uint8_t) OPREGBASE; 27353e4f910cSGerd Hoffmann s->caps[0x01] = 0x00; 27363e4f910cSGerd Hoffmann s->caps[0x02] = 0x00; 27373e4f910cSGerd Hoffmann s->caps[0x03] = 0x01; /* HC version */ 27383e4f910cSGerd Hoffmann s->caps[0x04] = NB_PORTS; /* Number of downstream ports */ 27393e4f910cSGerd Hoffmann s->caps[0x05] = 0x00; /* No companion ports at present */ 27403e4f910cSGerd Hoffmann s->caps[0x06] = 0x00; 27413e4f910cSGerd Hoffmann s->caps[0x07] = 0x00; 27423e4f910cSGerd Hoffmann s->caps[0x08] = 0x80; /* We can cache whole frame, no 64-bit */ 27433e4f910cSGerd Hoffmann s->caps[0x09] = 0x68; /* EECP */ 27443e4f910cSGerd Hoffmann s->caps[0x0a] = 0x00; 27453e4f910cSGerd Hoffmann s->caps[0x0b] = 0x00; 2746f1ae32a1SGerd Hoffmann 2747f1ae32a1SGerd Hoffmann s->irq = s->dev.irq[3]; 2748f1ae32a1SGerd Hoffmann 2749f1ae32a1SGerd Hoffmann usb_bus_new(&s->bus, &ehci_bus_ops, &s->dev.qdev); 2750f1ae32a1SGerd Hoffmann for(i = 0; i < NB_PORTS; i++) { 2751f1ae32a1SGerd Hoffmann usb_register_port(&s->bus, &s->ports[i], s, i, &ehci_port_ops, 2752f1ae32a1SGerd Hoffmann USB_SPEED_MASK_HIGH); 2753f1ae32a1SGerd Hoffmann s->ports[i].dev = 0; 2754f1ae32a1SGerd Hoffmann } 2755f1ae32a1SGerd Hoffmann 2756f1ae32a1SGerd Hoffmann s->frame_timer = qemu_new_timer_ns(vm_clock, ehci_frame_timer, s); 27570262f65aSHans de Goede s->async_bh = qemu_bh_new(ehci_frame_timer, s); 2758f1ae32a1SGerd Hoffmann QTAILQ_INIT(&s->aqueues); 2759f1ae32a1SGerd Hoffmann QTAILQ_INIT(&s->pqueues); 27607341ea07SHans de Goede usb_packet_init(&s->ipacket); 2761f1ae32a1SGerd Hoffmann 2762f1ae32a1SGerd Hoffmann qemu_register_reset(ehci_reset, s); 2763ceab6f96SHans de Goede qemu_add_vm_change_state_handler(usb_ehci_vm_state_change, s); 2764f1ae32a1SGerd Hoffmann 27653e4f910cSGerd Hoffmann memory_region_init(&s->mem, "ehci", MMIO_SIZE); 27663e4f910cSGerd Hoffmann memory_region_init_io(&s->mem_caps, &ehci_mmio_caps_ops, s, 27673e4f910cSGerd Hoffmann "capabilities", OPREGBASE); 27683e4f910cSGerd Hoffmann memory_region_init_io(&s->mem_opreg, &ehci_mmio_opreg_ops, s, 27693e4f910cSGerd Hoffmann "operational", PORTSC_BEGIN - OPREGBASE); 27703e4f910cSGerd Hoffmann memory_region_init_io(&s->mem_ports, &ehci_mmio_port_ops, s, 27713e4f910cSGerd Hoffmann "ports", PORTSC_END - PORTSC_BEGIN); 27723e4f910cSGerd Hoffmann 27733e4f910cSGerd Hoffmann memory_region_add_subregion(&s->mem, 0, &s->mem_caps); 27743e4f910cSGerd Hoffmann memory_region_add_subregion(&s->mem, OPREGBASE, &s->mem_opreg); 27753e4f910cSGerd Hoffmann memory_region_add_subregion(&s->mem, PORTSC_BEGIN, &s->mem_ports); 27763e4f910cSGerd Hoffmann 2777f1ae32a1SGerd Hoffmann pci_register_bar(&s->dev, 0, PCI_BASE_ADDRESS_SPACE_MEMORY, &s->mem); 2778f1ae32a1SGerd Hoffmann 2779f1ae32a1SGerd Hoffmann return 0; 2780f1ae32a1SGerd Hoffmann } 2781f1ae32a1SGerd Hoffmann 2782f1ae32a1SGerd Hoffmann static void ehci_register_types(void) 2783f1ae32a1SGerd Hoffmann { 2784f1ae32a1SGerd Hoffmann type_register_static(&ehci_info); 2785f1ae32a1SGerd Hoffmann type_register_static(&ich9_ehci_info); 2786f1ae32a1SGerd Hoffmann } 2787f1ae32a1SGerd Hoffmann 2788f1ae32a1SGerd Hoffmann type_init(ehci_register_types) 2789f1ae32a1SGerd Hoffmann 2790f1ae32a1SGerd Hoffmann /* 2791f1ae32a1SGerd Hoffmann * vim: expandtab ts=4 2792f1ae32a1SGerd Hoffmann */ 2793