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; 384eb36a88eSGerd Hoffmann QTAILQ_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; 446f1ae32a1SGerd Hoffmann }; 447f1ae32a1SGerd Hoffmann 448f1ae32a1SGerd Hoffmann #define SET_LAST_RUN_CLOCK(s) \ 449f1ae32a1SGerd Hoffmann (s)->last_run_ns = qemu_get_clock_ns(vm_clock); 450f1ae32a1SGerd Hoffmann 451f1ae32a1SGerd Hoffmann /* nifty macros from Arnon's EHCI version */ 452f1ae32a1SGerd Hoffmann #define get_field(data, field) \ 453f1ae32a1SGerd Hoffmann (((data) & field##_MASK) >> field##_SH) 454f1ae32a1SGerd Hoffmann 455f1ae32a1SGerd Hoffmann #define set_field(data, newval, field) do { \ 456f1ae32a1SGerd Hoffmann uint32_t val = *data; \ 457f1ae32a1SGerd Hoffmann val &= ~ field##_MASK; \ 458f1ae32a1SGerd Hoffmann val |= ((newval) << field##_SH) & field##_MASK; \ 459f1ae32a1SGerd Hoffmann *data = val; \ 460f1ae32a1SGerd Hoffmann } while(0) 461f1ae32a1SGerd Hoffmann 462f1ae32a1SGerd Hoffmann static const char *ehci_state_names[] = { 463f1ae32a1SGerd Hoffmann [EST_INACTIVE] = "INACTIVE", 464f1ae32a1SGerd Hoffmann [EST_ACTIVE] = "ACTIVE", 465f1ae32a1SGerd Hoffmann [EST_EXECUTING] = "EXECUTING", 466f1ae32a1SGerd Hoffmann [EST_SLEEPING] = "SLEEPING", 467f1ae32a1SGerd Hoffmann [EST_WAITLISTHEAD] = "WAITLISTHEAD", 468f1ae32a1SGerd Hoffmann [EST_FETCHENTRY] = "FETCH ENTRY", 469f1ae32a1SGerd Hoffmann [EST_FETCHQH] = "FETCH QH", 470f1ae32a1SGerd Hoffmann [EST_FETCHITD] = "FETCH ITD", 471f1ae32a1SGerd Hoffmann [EST_ADVANCEQUEUE] = "ADVANCEQUEUE", 472f1ae32a1SGerd Hoffmann [EST_FETCHQTD] = "FETCH QTD", 473f1ae32a1SGerd Hoffmann [EST_EXECUTE] = "EXECUTE", 474f1ae32a1SGerd Hoffmann [EST_WRITEBACK] = "WRITEBACK", 475f1ae32a1SGerd Hoffmann [EST_HORIZONTALQH] = "HORIZONTALQH", 476f1ae32a1SGerd Hoffmann }; 477f1ae32a1SGerd Hoffmann 478f1ae32a1SGerd Hoffmann static const char *ehci_mmio_names[] = { 479f1ae32a1SGerd Hoffmann [USBCMD] = "USBCMD", 480f1ae32a1SGerd Hoffmann [USBSTS] = "USBSTS", 481f1ae32a1SGerd Hoffmann [USBINTR] = "USBINTR", 482f1ae32a1SGerd Hoffmann [FRINDEX] = "FRINDEX", 483f1ae32a1SGerd Hoffmann [PERIODICLISTBASE] = "P-LIST BASE", 484f1ae32a1SGerd Hoffmann [ASYNCLISTADDR] = "A-LIST ADDR", 485f1ae32a1SGerd Hoffmann [CONFIGFLAG] = "CONFIGFLAG", 486f1ae32a1SGerd Hoffmann }; 487f1ae32a1SGerd Hoffmann 4884b63a0dfSHans de Goede static int ehci_state_executing(EHCIQueue *q); 4894b63a0dfSHans de Goede static int ehci_state_writeback(EHCIQueue *q); 4904b63a0dfSHans de Goede 491f1ae32a1SGerd Hoffmann static const char *nr2str(const char **n, size_t len, uint32_t nr) 492f1ae32a1SGerd Hoffmann { 493f1ae32a1SGerd Hoffmann if (nr < len && n[nr] != NULL) { 494f1ae32a1SGerd Hoffmann return n[nr]; 495f1ae32a1SGerd Hoffmann } else { 496f1ae32a1SGerd Hoffmann return "unknown"; 497f1ae32a1SGerd Hoffmann } 498f1ae32a1SGerd Hoffmann } 499f1ae32a1SGerd Hoffmann 500f1ae32a1SGerd Hoffmann static const char *state2str(uint32_t state) 501f1ae32a1SGerd Hoffmann { 502f1ae32a1SGerd Hoffmann return nr2str(ehci_state_names, ARRAY_SIZE(ehci_state_names), state); 503f1ae32a1SGerd Hoffmann } 504f1ae32a1SGerd Hoffmann 505a8170e5eSAvi Kivity static const char *addr2str(hwaddr addr) 506f1ae32a1SGerd Hoffmann { 5073e4f910cSGerd Hoffmann return nr2str(ehci_mmio_names, ARRAY_SIZE(ehci_mmio_names), 5083e4f910cSGerd Hoffmann addr + OPREGBASE); 509f1ae32a1SGerd Hoffmann } 510f1ae32a1SGerd Hoffmann 511f1ae32a1SGerd Hoffmann static void ehci_trace_usbsts(uint32_t mask, int state) 512f1ae32a1SGerd Hoffmann { 513f1ae32a1SGerd Hoffmann /* interrupts */ 514f1ae32a1SGerd Hoffmann if (mask & USBSTS_INT) { 515f1ae32a1SGerd Hoffmann trace_usb_ehci_usbsts("INT", state); 516f1ae32a1SGerd Hoffmann } 517f1ae32a1SGerd Hoffmann if (mask & USBSTS_ERRINT) { 518f1ae32a1SGerd Hoffmann trace_usb_ehci_usbsts("ERRINT", state); 519f1ae32a1SGerd Hoffmann } 520f1ae32a1SGerd Hoffmann if (mask & USBSTS_PCD) { 521f1ae32a1SGerd Hoffmann trace_usb_ehci_usbsts("PCD", state); 522f1ae32a1SGerd Hoffmann } 523f1ae32a1SGerd Hoffmann if (mask & USBSTS_FLR) { 524f1ae32a1SGerd Hoffmann trace_usb_ehci_usbsts("FLR", state); 525f1ae32a1SGerd Hoffmann } 526f1ae32a1SGerd Hoffmann if (mask & USBSTS_HSE) { 527f1ae32a1SGerd Hoffmann trace_usb_ehci_usbsts("HSE", state); 528f1ae32a1SGerd Hoffmann } 529f1ae32a1SGerd Hoffmann if (mask & USBSTS_IAA) { 530f1ae32a1SGerd Hoffmann trace_usb_ehci_usbsts("IAA", state); 531f1ae32a1SGerd Hoffmann } 532f1ae32a1SGerd Hoffmann 533f1ae32a1SGerd Hoffmann /* status */ 534f1ae32a1SGerd Hoffmann if (mask & USBSTS_HALT) { 535f1ae32a1SGerd Hoffmann trace_usb_ehci_usbsts("HALT", state); 536f1ae32a1SGerd Hoffmann } 537f1ae32a1SGerd Hoffmann if (mask & USBSTS_REC) { 538f1ae32a1SGerd Hoffmann trace_usb_ehci_usbsts("REC", state); 539f1ae32a1SGerd Hoffmann } 540f1ae32a1SGerd Hoffmann if (mask & USBSTS_PSS) { 541f1ae32a1SGerd Hoffmann trace_usb_ehci_usbsts("PSS", state); 542f1ae32a1SGerd Hoffmann } 543f1ae32a1SGerd Hoffmann if (mask & USBSTS_ASS) { 544f1ae32a1SGerd Hoffmann trace_usb_ehci_usbsts("ASS", state); 545f1ae32a1SGerd Hoffmann } 546f1ae32a1SGerd Hoffmann } 547f1ae32a1SGerd Hoffmann 548f1ae32a1SGerd Hoffmann static inline void ehci_set_usbsts(EHCIState *s, int mask) 549f1ae32a1SGerd Hoffmann { 550f1ae32a1SGerd Hoffmann if ((s->usbsts & mask) == mask) { 551f1ae32a1SGerd Hoffmann return; 552f1ae32a1SGerd Hoffmann } 553f1ae32a1SGerd Hoffmann ehci_trace_usbsts(mask, 1); 554f1ae32a1SGerd Hoffmann s->usbsts |= mask; 555f1ae32a1SGerd Hoffmann } 556f1ae32a1SGerd Hoffmann 557f1ae32a1SGerd Hoffmann static inline void ehci_clear_usbsts(EHCIState *s, int mask) 558f1ae32a1SGerd Hoffmann { 559f1ae32a1SGerd Hoffmann if ((s->usbsts & mask) == 0) { 560f1ae32a1SGerd Hoffmann return; 561f1ae32a1SGerd Hoffmann } 562f1ae32a1SGerd Hoffmann ehci_trace_usbsts(mask, 0); 563f1ae32a1SGerd Hoffmann s->usbsts &= ~mask; 564f1ae32a1SGerd Hoffmann } 565f1ae32a1SGerd Hoffmann 5667efc17afSGerd Hoffmann /* update irq line */ 5677efc17afSGerd Hoffmann static inline void ehci_update_irq(EHCIState *s) 568f1ae32a1SGerd Hoffmann { 569f1ae32a1SGerd Hoffmann int level = 0; 570f1ae32a1SGerd Hoffmann 571f1ae32a1SGerd Hoffmann if ((s->usbsts & USBINTR_MASK) & s->usbintr) { 572f1ae32a1SGerd Hoffmann level = 1; 573f1ae32a1SGerd Hoffmann } 574f1ae32a1SGerd Hoffmann 5757efc17afSGerd Hoffmann trace_usb_ehci_irq(level, s->frindex, s->usbsts, s->usbintr); 576f1ae32a1SGerd Hoffmann qemu_set_irq(s->irq, level); 577f1ae32a1SGerd Hoffmann } 578f1ae32a1SGerd Hoffmann 5797efc17afSGerd Hoffmann /* flag interrupt condition */ 5807efc17afSGerd Hoffmann static inline void ehci_raise_irq(EHCIState *s, int intr) 581f1ae32a1SGerd Hoffmann { 5826d3b6d3dSGerd Hoffmann if (intr & (USBSTS_PCD | USBSTS_FLR | USBSTS_HSE)) { 5836d3b6d3dSGerd Hoffmann s->usbsts |= intr; 5846d3b6d3dSGerd Hoffmann ehci_update_irq(s); 5856d3b6d3dSGerd Hoffmann } else { 586f1ae32a1SGerd Hoffmann s->usbsts_pending |= intr; 587f1ae32a1SGerd Hoffmann } 5886d3b6d3dSGerd Hoffmann } 589f1ae32a1SGerd Hoffmann 5907efc17afSGerd Hoffmann /* 5917efc17afSGerd Hoffmann * Commit pending interrupts (added via ehci_raise_irq), 5927efc17afSGerd Hoffmann * at the rate allowed by "Interrupt Threshold Control". 5937efc17afSGerd Hoffmann */ 5947efc17afSGerd Hoffmann static inline void ehci_commit_irq(EHCIState *s) 595f1ae32a1SGerd Hoffmann { 5967efc17afSGerd Hoffmann uint32_t itc; 5977efc17afSGerd Hoffmann 598f1ae32a1SGerd Hoffmann if (!s->usbsts_pending) { 599f1ae32a1SGerd Hoffmann return; 600f1ae32a1SGerd Hoffmann } 6017efc17afSGerd Hoffmann if (s->usbsts_frindex > s->frindex) { 6027efc17afSGerd Hoffmann return; 6037efc17afSGerd Hoffmann } 6047efc17afSGerd Hoffmann 6057efc17afSGerd Hoffmann itc = (s->usbcmd >> 16) & 0xff; 6067efc17afSGerd Hoffmann s->usbsts |= s->usbsts_pending; 607f1ae32a1SGerd Hoffmann s->usbsts_pending = 0; 6087efc17afSGerd Hoffmann s->usbsts_frindex = s->frindex + itc; 6097efc17afSGerd Hoffmann ehci_update_irq(s); 610f1ae32a1SGerd Hoffmann } 611f1ae32a1SGerd Hoffmann 612daf25307SGerd Hoffmann static void ehci_update_halt(EHCIState *s) 613daf25307SGerd Hoffmann { 614daf25307SGerd Hoffmann if (s->usbcmd & USBCMD_RUNSTOP) { 615daf25307SGerd Hoffmann ehci_clear_usbsts(s, USBSTS_HALT); 616daf25307SGerd Hoffmann } else { 617daf25307SGerd Hoffmann if (s->astate == EST_INACTIVE && s->pstate == EST_INACTIVE) { 618daf25307SGerd Hoffmann ehci_set_usbsts(s, USBSTS_HALT); 619daf25307SGerd Hoffmann } 620daf25307SGerd Hoffmann } 621daf25307SGerd Hoffmann } 622daf25307SGerd Hoffmann 623f1ae32a1SGerd Hoffmann static void ehci_set_state(EHCIState *s, int async, int state) 624f1ae32a1SGerd Hoffmann { 625f1ae32a1SGerd Hoffmann if (async) { 626f1ae32a1SGerd Hoffmann trace_usb_ehci_state("async", state2str(state)); 627f1ae32a1SGerd Hoffmann s->astate = state; 628b53f685dSGerd Hoffmann if (s->astate == EST_INACTIVE) { 629b53f685dSGerd Hoffmann ehci_clear_usbsts(s, USBSTS_ASS); 630daf25307SGerd Hoffmann ehci_update_halt(s); 631b53f685dSGerd Hoffmann } else { 632b53f685dSGerd Hoffmann ehci_set_usbsts(s, USBSTS_ASS); 633b53f685dSGerd Hoffmann } 634f1ae32a1SGerd Hoffmann } else { 635f1ae32a1SGerd Hoffmann trace_usb_ehci_state("periodic", state2str(state)); 636f1ae32a1SGerd Hoffmann s->pstate = state; 637b53f685dSGerd Hoffmann if (s->pstate == EST_INACTIVE) { 638b53f685dSGerd Hoffmann ehci_clear_usbsts(s, USBSTS_PSS); 639daf25307SGerd Hoffmann ehci_update_halt(s); 640b53f685dSGerd Hoffmann } else { 641b53f685dSGerd Hoffmann ehci_set_usbsts(s, USBSTS_PSS); 642b53f685dSGerd Hoffmann } 643f1ae32a1SGerd Hoffmann } 644f1ae32a1SGerd Hoffmann } 645f1ae32a1SGerd Hoffmann 646f1ae32a1SGerd Hoffmann static int ehci_get_state(EHCIState *s, int async) 647f1ae32a1SGerd Hoffmann { 648f1ae32a1SGerd Hoffmann return async ? s->astate : s->pstate; 649f1ae32a1SGerd Hoffmann } 650f1ae32a1SGerd Hoffmann 651f1ae32a1SGerd Hoffmann static void ehci_set_fetch_addr(EHCIState *s, int async, uint32_t addr) 652f1ae32a1SGerd Hoffmann { 653f1ae32a1SGerd Hoffmann if (async) { 654f1ae32a1SGerd Hoffmann s->a_fetch_addr = addr; 655f1ae32a1SGerd Hoffmann } else { 656f1ae32a1SGerd Hoffmann s->p_fetch_addr = addr; 657f1ae32a1SGerd Hoffmann } 658f1ae32a1SGerd Hoffmann } 659f1ae32a1SGerd Hoffmann 660f1ae32a1SGerd Hoffmann static int ehci_get_fetch_addr(EHCIState *s, int async) 661f1ae32a1SGerd Hoffmann { 662f1ae32a1SGerd Hoffmann return async ? s->a_fetch_addr : s->p_fetch_addr; 663f1ae32a1SGerd Hoffmann } 664f1ae32a1SGerd Hoffmann 665a8170e5eSAvi Kivity static void ehci_trace_qh(EHCIQueue *q, hwaddr addr, EHCIqh *qh) 666f1ae32a1SGerd Hoffmann { 667f1ae32a1SGerd Hoffmann /* need three here due to argument count limits */ 668f1ae32a1SGerd Hoffmann trace_usb_ehci_qh_ptrs(q, addr, qh->next, 669f1ae32a1SGerd Hoffmann qh->current_qtd, qh->next_qtd, qh->altnext_qtd); 670f1ae32a1SGerd Hoffmann trace_usb_ehci_qh_fields(addr, 671f1ae32a1SGerd Hoffmann get_field(qh->epchar, QH_EPCHAR_RL), 672f1ae32a1SGerd Hoffmann get_field(qh->epchar, QH_EPCHAR_MPLEN), 673f1ae32a1SGerd Hoffmann get_field(qh->epchar, QH_EPCHAR_EPS), 674f1ae32a1SGerd Hoffmann get_field(qh->epchar, QH_EPCHAR_EP), 675f1ae32a1SGerd Hoffmann get_field(qh->epchar, QH_EPCHAR_DEVADDR)); 676f1ae32a1SGerd Hoffmann trace_usb_ehci_qh_bits(addr, 677f1ae32a1SGerd Hoffmann (bool)(qh->epchar & QH_EPCHAR_C), 678f1ae32a1SGerd Hoffmann (bool)(qh->epchar & QH_EPCHAR_H), 679f1ae32a1SGerd Hoffmann (bool)(qh->epchar & QH_EPCHAR_DTC), 680f1ae32a1SGerd Hoffmann (bool)(qh->epchar & QH_EPCHAR_I)); 681f1ae32a1SGerd Hoffmann } 682f1ae32a1SGerd Hoffmann 683a8170e5eSAvi Kivity static void ehci_trace_qtd(EHCIQueue *q, hwaddr addr, EHCIqtd *qtd) 684f1ae32a1SGerd Hoffmann { 685f1ae32a1SGerd Hoffmann /* need three here due to argument count limits */ 686f1ae32a1SGerd Hoffmann trace_usb_ehci_qtd_ptrs(q, addr, qtd->next, qtd->altnext); 687f1ae32a1SGerd Hoffmann trace_usb_ehci_qtd_fields(addr, 688f1ae32a1SGerd Hoffmann get_field(qtd->token, QTD_TOKEN_TBYTES), 689f1ae32a1SGerd Hoffmann get_field(qtd->token, QTD_TOKEN_CPAGE), 690f1ae32a1SGerd Hoffmann get_field(qtd->token, QTD_TOKEN_CERR), 691f1ae32a1SGerd Hoffmann get_field(qtd->token, QTD_TOKEN_PID)); 692f1ae32a1SGerd Hoffmann trace_usb_ehci_qtd_bits(addr, 693f1ae32a1SGerd Hoffmann (bool)(qtd->token & QTD_TOKEN_IOC), 694f1ae32a1SGerd Hoffmann (bool)(qtd->token & QTD_TOKEN_ACTIVE), 695f1ae32a1SGerd Hoffmann (bool)(qtd->token & QTD_TOKEN_HALT), 696f1ae32a1SGerd Hoffmann (bool)(qtd->token & QTD_TOKEN_BABBLE), 697f1ae32a1SGerd Hoffmann (bool)(qtd->token & QTD_TOKEN_XACTERR)); 698f1ae32a1SGerd Hoffmann } 699f1ae32a1SGerd Hoffmann 700a8170e5eSAvi Kivity static void ehci_trace_itd(EHCIState *s, hwaddr addr, EHCIitd *itd) 701f1ae32a1SGerd Hoffmann { 702f1ae32a1SGerd Hoffmann trace_usb_ehci_itd(addr, itd->next, 703f1ae32a1SGerd Hoffmann get_field(itd->bufptr[1], ITD_BUFPTR_MAXPKT), 704f1ae32a1SGerd Hoffmann get_field(itd->bufptr[2], ITD_BUFPTR_MULT), 705f1ae32a1SGerd Hoffmann get_field(itd->bufptr[0], ITD_BUFPTR_EP), 706f1ae32a1SGerd Hoffmann get_field(itd->bufptr[0], ITD_BUFPTR_DEVADDR)); 707f1ae32a1SGerd Hoffmann } 708f1ae32a1SGerd Hoffmann 709a8170e5eSAvi Kivity static void ehci_trace_sitd(EHCIState *s, hwaddr addr, 710f1ae32a1SGerd Hoffmann EHCIsitd *sitd) 711f1ae32a1SGerd Hoffmann { 712f1ae32a1SGerd Hoffmann trace_usb_ehci_sitd(addr, sitd->next, 713f1ae32a1SGerd Hoffmann (bool)(sitd->results & SITD_RESULTS_ACTIVE)); 714f1ae32a1SGerd Hoffmann } 715f1ae32a1SGerd Hoffmann 7165c514681SGerd Hoffmann static void ehci_trace_guest_bug(EHCIState *s, const char *message) 7175c514681SGerd Hoffmann { 7185c514681SGerd Hoffmann trace_usb_ehci_guest_bug(message); 7195c514681SGerd Hoffmann fprintf(stderr, "ehci warning: %s\n", message); 7205c514681SGerd Hoffmann } 7215c514681SGerd Hoffmann 722ec807d12SGerd Hoffmann static inline bool ehci_enabled(EHCIState *s) 723ec807d12SGerd Hoffmann { 724ec807d12SGerd Hoffmann return s->usbcmd & USBCMD_RUNSTOP; 725ec807d12SGerd Hoffmann } 726ec807d12SGerd Hoffmann 727ec807d12SGerd Hoffmann static inline bool ehci_async_enabled(EHCIState *s) 728ec807d12SGerd Hoffmann { 729ec807d12SGerd Hoffmann return ehci_enabled(s) && (s->usbcmd & USBCMD_ASE); 730ec807d12SGerd Hoffmann } 731ec807d12SGerd Hoffmann 732ec807d12SGerd Hoffmann static inline bool ehci_periodic_enabled(EHCIState *s) 733ec807d12SGerd Hoffmann { 734ec807d12SGerd Hoffmann return ehci_enabled(s) && (s->usbcmd & USBCMD_PSE); 735ec807d12SGerd Hoffmann } 736ec807d12SGerd Hoffmann 737eb36a88eSGerd Hoffmann /* packet management */ 738eb36a88eSGerd Hoffmann 739eb36a88eSGerd Hoffmann static EHCIPacket *ehci_alloc_packet(EHCIQueue *q) 740eb36a88eSGerd Hoffmann { 741eb36a88eSGerd Hoffmann EHCIPacket *p; 742eb36a88eSGerd Hoffmann 743eb36a88eSGerd Hoffmann p = g_new0(EHCIPacket, 1); 744eb36a88eSGerd Hoffmann p->queue = q; 745eb36a88eSGerd Hoffmann usb_packet_init(&p->packet); 746eb36a88eSGerd Hoffmann QTAILQ_INSERT_TAIL(&q->packets, p, next); 747eb36a88eSGerd Hoffmann trace_usb_ehci_packet_action(p->queue, p, "alloc"); 748eb36a88eSGerd Hoffmann return p; 749eb36a88eSGerd Hoffmann } 750eb36a88eSGerd Hoffmann 751eb36a88eSGerd Hoffmann static void ehci_free_packet(EHCIPacket *p) 752eb36a88eSGerd Hoffmann { 7534b63a0dfSHans de Goede if (p->async == EHCI_ASYNC_FINISHED) { 7544b63a0dfSHans de Goede int state = ehci_get_state(p->queue->ehci, p->queue->async); 7554b63a0dfSHans de Goede /* This is a normal, but rare condition (cancel racing completion) */ 7564b63a0dfSHans de Goede fprintf(stderr, "EHCI: Warning packet completed but not processed\n"); 7574b63a0dfSHans de Goede ehci_state_executing(p->queue); 7584b63a0dfSHans de Goede ehci_state_writeback(p->queue); 7594b63a0dfSHans de Goede ehci_set_state(p->queue->ehci, p->queue->async, state); 7604b63a0dfSHans de Goede /* state_writeback recurses into us with async == EHCI_ASYNC_NONE!! */ 7614b63a0dfSHans de Goede return; 7624b63a0dfSHans de Goede } 763616789cdSGerd Hoffmann trace_usb_ehci_packet_action(p->queue, p, "free"); 764ef5b2344SHans de Goede if (p->async == EHCI_ASYNC_INITIALIZED) { 765ef5b2344SHans de Goede usb_packet_unmap(&p->packet, &p->sgl); 766ef5b2344SHans de Goede qemu_sglist_destroy(&p->sgl); 767ef5b2344SHans de Goede } 768616789cdSGerd Hoffmann if (p->async == EHCI_ASYNC_INFLIGHT) { 769616789cdSGerd Hoffmann usb_cancel_packet(&p->packet); 770616789cdSGerd Hoffmann usb_packet_unmap(&p->packet, &p->sgl); 771616789cdSGerd Hoffmann qemu_sglist_destroy(&p->sgl); 772616789cdSGerd Hoffmann } 773eb36a88eSGerd Hoffmann QTAILQ_REMOVE(&p->queue->packets, p, next); 774eb36a88eSGerd Hoffmann usb_packet_cleanup(&p->packet); 775eb36a88eSGerd Hoffmann g_free(p); 776eb36a88eSGerd Hoffmann } 777eb36a88eSGerd Hoffmann 778f1ae32a1SGerd Hoffmann /* queue management */ 779f1ae32a1SGerd Hoffmann 7808f6d5e26SGerd Hoffmann static EHCIQueue *ehci_alloc_queue(EHCIState *ehci, uint32_t addr, int async) 781f1ae32a1SGerd Hoffmann { 782f1ae32a1SGerd Hoffmann EHCIQueueHead *head = async ? &ehci->aqueues : &ehci->pqueues; 783f1ae32a1SGerd Hoffmann EHCIQueue *q; 784f1ae32a1SGerd Hoffmann 785f1ae32a1SGerd Hoffmann q = g_malloc0(sizeof(*q)); 786f1ae32a1SGerd Hoffmann q->ehci = ehci; 7878f6d5e26SGerd Hoffmann q->qhaddr = addr; 788ae0138a8SGerd Hoffmann q->async = async; 789eb36a88eSGerd Hoffmann QTAILQ_INIT(&q->packets); 790f1ae32a1SGerd Hoffmann QTAILQ_INSERT_HEAD(head, q, next); 791f1ae32a1SGerd Hoffmann trace_usb_ehci_queue_action(q, "alloc"); 792f1ae32a1SGerd Hoffmann return q; 793f1ae32a1SGerd Hoffmann } 794f1ae32a1SGerd Hoffmann 7955c514681SGerd Hoffmann static int ehci_cancel_queue(EHCIQueue *q) 796c7cdca3bSGerd Hoffmann { 797c7cdca3bSGerd Hoffmann EHCIPacket *p; 7985c514681SGerd Hoffmann int packets = 0; 799c7cdca3bSGerd Hoffmann 800c7cdca3bSGerd Hoffmann p = QTAILQ_FIRST(&q->packets); 801c7cdca3bSGerd Hoffmann if (p == NULL) { 8025c514681SGerd Hoffmann return 0; 803c7cdca3bSGerd Hoffmann } 804c7cdca3bSGerd Hoffmann 805c7cdca3bSGerd Hoffmann trace_usb_ehci_queue_action(q, "cancel"); 806c7cdca3bSGerd Hoffmann do { 807c7cdca3bSGerd Hoffmann ehci_free_packet(p); 8085c514681SGerd Hoffmann packets++; 809c7cdca3bSGerd Hoffmann } while ((p = QTAILQ_FIRST(&q->packets)) != NULL); 8105c514681SGerd Hoffmann return packets; 811c7cdca3bSGerd Hoffmann } 812c7cdca3bSGerd Hoffmann 8135c514681SGerd Hoffmann static int ehci_reset_queue(EHCIQueue *q) 814dafe31fcSHans de Goede { 8155c514681SGerd Hoffmann int packets; 8165c514681SGerd Hoffmann 817dafe31fcSHans de Goede trace_usb_ehci_queue_action(q, "reset"); 8185c514681SGerd Hoffmann packets = ehci_cancel_queue(q); 819dafe31fcSHans de Goede q->dev = NULL; 820dafe31fcSHans de Goede q->qtdaddr = 0; 8215c514681SGerd Hoffmann return packets; 822dafe31fcSHans de Goede } 823dafe31fcSHans de Goede 8243a8ca08eSHans de Goede static void ehci_free_queue(EHCIQueue *q, const char *warn) 825f1ae32a1SGerd Hoffmann { 826ae0138a8SGerd Hoffmann EHCIQueueHead *head = q->async ? &q->ehci->aqueues : &q->ehci->pqueues; 8273a8ca08eSHans de Goede int cancelled; 828eb36a88eSGerd Hoffmann 829f1ae32a1SGerd Hoffmann trace_usb_ehci_queue_action(q, "free"); 8303a8ca08eSHans de Goede cancelled = ehci_cancel_queue(q); 8313a8ca08eSHans de Goede if (warn && cancelled > 0) { 8323a8ca08eSHans de Goede ehci_trace_guest_bug(q->ehci, warn); 8333a8ca08eSHans de Goede } 834f1ae32a1SGerd Hoffmann QTAILQ_REMOVE(head, q, next); 835f1ae32a1SGerd Hoffmann g_free(q); 836f1ae32a1SGerd Hoffmann } 837f1ae32a1SGerd Hoffmann 838f1ae32a1SGerd Hoffmann static EHCIQueue *ehci_find_queue_by_qh(EHCIState *ehci, uint32_t addr, 839f1ae32a1SGerd Hoffmann int async) 840f1ae32a1SGerd Hoffmann { 841f1ae32a1SGerd Hoffmann EHCIQueueHead *head = async ? &ehci->aqueues : &ehci->pqueues; 842f1ae32a1SGerd Hoffmann EHCIQueue *q; 843f1ae32a1SGerd Hoffmann 844f1ae32a1SGerd Hoffmann QTAILQ_FOREACH(q, head, next) { 845f1ae32a1SGerd Hoffmann if (addr == q->qhaddr) { 846f1ae32a1SGerd Hoffmann return q; 847f1ae32a1SGerd Hoffmann } 848f1ae32a1SGerd Hoffmann } 849f1ae32a1SGerd Hoffmann return NULL; 850f1ae32a1SGerd Hoffmann } 851f1ae32a1SGerd Hoffmann 8528f5457ebSHans de Goede static void ehci_queues_rip_unused(EHCIState *ehci, int async) 853f1ae32a1SGerd Hoffmann { 854f1ae32a1SGerd Hoffmann EHCIQueueHead *head = async ? &ehci->aqueues : &ehci->pqueues; 8558f5457ebSHans de Goede const char *warn = async ? "guest unlinked busy QH" : NULL; 8563a215326SGerd Hoffmann uint64_t maxage = FRAME_TIMER_NS * ehci->maxframes * 4; 857f1ae32a1SGerd Hoffmann EHCIQueue *q, *tmp; 858f1ae32a1SGerd Hoffmann 859f1ae32a1SGerd Hoffmann QTAILQ_FOREACH_SAFE(q, head, next, tmp) { 860f1ae32a1SGerd Hoffmann if (q->seen) { 861f1ae32a1SGerd Hoffmann q->seen = 0; 862f1ae32a1SGerd Hoffmann q->ts = ehci->last_run_ns; 863f1ae32a1SGerd Hoffmann continue; 864f1ae32a1SGerd Hoffmann } 8658f5457ebSHans de Goede if (ehci->last_run_ns < q->ts + maxage) { 866f1ae32a1SGerd Hoffmann continue; 867f1ae32a1SGerd Hoffmann } 8683a8ca08eSHans de Goede ehci_free_queue(q, warn); 869f1ae32a1SGerd Hoffmann } 870f1ae32a1SGerd Hoffmann } 871f1ae32a1SGerd Hoffmann 8728f5457ebSHans de Goede static void ehci_queues_rip_unseen(EHCIState *ehci, int async) 8738f5457ebSHans de Goede { 8748f5457ebSHans de Goede EHCIQueueHead *head = async ? &ehci->aqueues : &ehci->pqueues; 8758f5457ebSHans de Goede EHCIQueue *q, *tmp; 8768f5457ebSHans de Goede 8778f5457ebSHans de Goede QTAILQ_FOREACH_SAFE(q, head, next, tmp) { 8788f5457ebSHans de Goede if (!q->seen) { 8798f5457ebSHans de Goede ehci_free_queue(q, NULL); 8808f5457ebSHans de Goede } 8818f5457ebSHans de Goede } 8828f5457ebSHans de Goede } 8838f5457ebSHans de Goede 884f1ae32a1SGerd Hoffmann static void ehci_queues_rip_device(EHCIState *ehci, USBDevice *dev, int async) 885f1ae32a1SGerd Hoffmann { 886f1ae32a1SGerd Hoffmann EHCIQueueHead *head = async ? &ehci->aqueues : &ehci->pqueues; 887f1ae32a1SGerd Hoffmann EHCIQueue *q, *tmp; 888f1ae32a1SGerd Hoffmann 889f1ae32a1SGerd Hoffmann QTAILQ_FOREACH_SAFE(q, head, next, tmp) { 890e59928b3SGerd Hoffmann if (q->dev != dev) { 891f1ae32a1SGerd Hoffmann continue; 892f1ae32a1SGerd Hoffmann } 8933a8ca08eSHans de Goede ehci_free_queue(q, NULL); 894f1ae32a1SGerd Hoffmann } 895f1ae32a1SGerd Hoffmann } 896f1ae32a1SGerd Hoffmann 897f1ae32a1SGerd Hoffmann static void ehci_queues_rip_all(EHCIState *ehci, int async) 898f1ae32a1SGerd Hoffmann { 899f1ae32a1SGerd Hoffmann EHCIQueueHead *head = async ? &ehci->aqueues : &ehci->pqueues; 9003a8ca08eSHans de Goede const char *warn = async ? "guest stopped busy async schedule" : NULL; 901f1ae32a1SGerd Hoffmann EHCIQueue *q, *tmp; 902f1ae32a1SGerd Hoffmann 903f1ae32a1SGerd Hoffmann QTAILQ_FOREACH_SAFE(q, head, next, tmp) { 9043a8ca08eSHans de Goede ehci_free_queue(q, warn); 905f1ae32a1SGerd Hoffmann } 906f1ae32a1SGerd Hoffmann } 907f1ae32a1SGerd Hoffmann 908f1ae32a1SGerd Hoffmann /* Attach or detach a device on root hub */ 909f1ae32a1SGerd Hoffmann 910f1ae32a1SGerd Hoffmann static void ehci_attach(USBPort *port) 911f1ae32a1SGerd Hoffmann { 912f1ae32a1SGerd Hoffmann EHCIState *s = port->opaque; 913f1ae32a1SGerd Hoffmann uint32_t *portsc = &s->portsc[port->index]; 91430e9d412SGerd Hoffmann const char *owner = (*portsc & PORTSC_POWNER) ? "comp" : "ehci"; 915f1ae32a1SGerd Hoffmann 91630e9d412SGerd Hoffmann trace_usb_ehci_port_attach(port->index, owner, port->dev->product_desc); 917f1ae32a1SGerd Hoffmann 918f1ae32a1SGerd Hoffmann if (*portsc & PORTSC_POWNER) { 919f1ae32a1SGerd Hoffmann USBPort *companion = s->companion_ports[port->index]; 920f1ae32a1SGerd Hoffmann companion->dev = port->dev; 921f1ae32a1SGerd Hoffmann companion->ops->attach(companion); 922f1ae32a1SGerd Hoffmann return; 923f1ae32a1SGerd Hoffmann } 924f1ae32a1SGerd Hoffmann 925f1ae32a1SGerd Hoffmann *portsc |= PORTSC_CONNECT; 926f1ae32a1SGerd Hoffmann *portsc |= PORTSC_CSC; 927f1ae32a1SGerd Hoffmann 9287efc17afSGerd Hoffmann ehci_raise_irq(s, USBSTS_PCD); 9297efc17afSGerd Hoffmann ehci_commit_irq(s); 930f1ae32a1SGerd Hoffmann } 931f1ae32a1SGerd Hoffmann 932f1ae32a1SGerd Hoffmann static void ehci_detach(USBPort *port) 933f1ae32a1SGerd Hoffmann { 934f1ae32a1SGerd Hoffmann EHCIState *s = port->opaque; 935f1ae32a1SGerd Hoffmann uint32_t *portsc = &s->portsc[port->index]; 93630e9d412SGerd Hoffmann const char *owner = (*portsc & PORTSC_POWNER) ? "comp" : "ehci"; 937f1ae32a1SGerd Hoffmann 93830e9d412SGerd Hoffmann trace_usb_ehci_port_detach(port->index, owner); 939f1ae32a1SGerd Hoffmann 940f1ae32a1SGerd Hoffmann if (*portsc & PORTSC_POWNER) { 941f1ae32a1SGerd Hoffmann USBPort *companion = s->companion_ports[port->index]; 942f1ae32a1SGerd Hoffmann companion->ops->detach(companion); 943f1ae32a1SGerd Hoffmann companion->dev = NULL; 944f1ae32a1SGerd Hoffmann /* 945f1ae32a1SGerd Hoffmann * EHCI spec 4.2.2: "When a disconnect occurs... On the event, 946f1ae32a1SGerd Hoffmann * the port ownership is returned immediately to the EHCI controller." 947f1ae32a1SGerd Hoffmann */ 948f1ae32a1SGerd Hoffmann *portsc &= ~PORTSC_POWNER; 949f1ae32a1SGerd Hoffmann return; 950f1ae32a1SGerd Hoffmann } 951f1ae32a1SGerd Hoffmann 952f1ae32a1SGerd Hoffmann ehci_queues_rip_device(s, port->dev, 0); 953f1ae32a1SGerd Hoffmann ehci_queues_rip_device(s, port->dev, 1); 954f1ae32a1SGerd Hoffmann 955f1ae32a1SGerd Hoffmann *portsc &= ~(PORTSC_CONNECT|PORTSC_PED); 956f1ae32a1SGerd Hoffmann *portsc |= PORTSC_CSC; 957f1ae32a1SGerd Hoffmann 9587efc17afSGerd Hoffmann ehci_raise_irq(s, USBSTS_PCD); 9597efc17afSGerd Hoffmann ehci_commit_irq(s); 960f1ae32a1SGerd Hoffmann } 961f1ae32a1SGerd Hoffmann 962f1ae32a1SGerd Hoffmann static void ehci_child_detach(USBPort *port, USBDevice *child) 963f1ae32a1SGerd Hoffmann { 964f1ae32a1SGerd Hoffmann EHCIState *s = port->opaque; 965f1ae32a1SGerd Hoffmann uint32_t portsc = s->portsc[port->index]; 966f1ae32a1SGerd Hoffmann 967f1ae32a1SGerd Hoffmann if (portsc & PORTSC_POWNER) { 968f1ae32a1SGerd Hoffmann USBPort *companion = s->companion_ports[port->index]; 969f1ae32a1SGerd Hoffmann companion->ops->child_detach(companion, child); 970f1ae32a1SGerd Hoffmann return; 971f1ae32a1SGerd Hoffmann } 972f1ae32a1SGerd Hoffmann 973f1ae32a1SGerd Hoffmann ehci_queues_rip_device(s, child, 0); 974f1ae32a1SGerd Hoffmann ehci_queues_rip_device(s, child, 1); 975f1ae32a1SGerd Hoffmann } 976f1ae32a1SGerd Hoffmann 977f1ae32a1SGerd Hoffmann static void ehci_wakeup(USBPort *port) 978f1ae32a1SGerd Hoffmann { 979f1ae32a1SGerd Hoffmann EHCIState *s = port->opaque; 980f1ae32a1SGerd Hoffmann uint32_t portsc = s->portsc[port->index]; 981f1ae32a1SGerd Hoffmann 982f1ae32a1SGerd Hoffmann if (portsc & PORTSC_POWNER) { 983f1ae32a1SGerd Hoffmann USBPort *companion = s->companion_ports[port->index]; 984f1ae32a1SGerd Hoffmann if (companion->ops->wakeup) { 985f1ae32a1SGerd Hoffmann companion->ops->wakeup(companion); 98637952117SHans de Goede } 98737952117SHans de Goede return; 98837952117SHans de Goede } 98937952117SHans de Goede 9900f588df8SGerd Hoffmann qemu_bh_schedule(s->async_bh); 991f1ae32a1SGerd Hoffmann } 992f1ae32a1SGerd Hoffmann 993f1ae32a1SGerd Hoffmann static int ehci_register_companion(USBBus *bus, USBPort *ports[], 994f1ae32a1SGerd Hoffmann uint32_t portcount, uint32_t firstport) 995f1ae32a1SGerd Hoffmann { 996f1ae32a1SGerd Hoffmann EHCIState *s = container_of(bus, EHCIState, bus); 997f1ae32a1SGerd Hoffmann uint32_t i; 998f1ae32a1SGerd Hoffmann 999f1ae32a1SGerd Hoffmann if (firstport + portcount > NB_PORTS) { 1000f1ae32a1SGerd Hoffmann qerror_report(QERR_INVALID_PARAMETER_VALUE, "firstport", 1001f1ae32a1SGerd Hoffmann "firstport on masterbus"); 1002f1ae32a1SGerd Hoffmann error_printf_unless_qmp( 1003f1ae32a1SGerd Hoffmann "firstport value of %u makes companion take ports %u - %u, which " 1004f1ae32a1SGerd Hoffmann "is outside of the valid range of 0 - %u\n", firstport, firstport, 1005f1ae32a1SGerd Hoffmann firstport + portcount - 1, NB_PORTS - 1); 1006f1ae32a1SGerd Hoffmann return -1; 1007f1ae32a1SGerd Hoffmann } 1008f1ae32a1SGerd Hoffmann 1009f1ae32a1SGerd Hoffmann for (i = 0; i < portcount; i++) { 1010f1ae32a1SGerd Hoffmann if (s->companion_ports[firstport + i]) { 1011f1ae32a1SGerd Hoffmann qerror_report(QERR_INVALID_PARAMETER_VALUE, "masterbus", 1012f1ae32a1SGerd Hoffmann "an USB masterbus"); 1013f1ae32a1SGerd Hoffmann error_printf_unless_qmp( 1014f1ae32a1SGerd Hoffmann "port %u on masterbus %s already has a companion assigned\n", 1015f1ae32a1SGerd Hoffmann firstport + i, bus->qbus.name); 1016f1ae32a1SGerd Hoffmann return -1; 1017f1ae32a1SGerd Hoffmann } 1018f1ae32a1SGerd Hoffmann } 1019f1ae32a1SGerd Hoffmann 1020f1ae32a1SGerd Hoffmann for (i = 0; i < portcount; i++) { 1021f1ae32a1SGerd Hoffmann s->companion_ports[firstport + i] = ports[i]; 1022f1ae32a1SGerd Hoffmann s->ports[firstport + i].speedmask |= 1023f1ae32a1SGerd Hoffmann USB_SPEED_MASK_LOW | USB_SPEED_MASK_FULL; 1024f1ae32a1SGerd Hoffmann /* Ensure devs attached before the initial reset go to the companion */ 1025f1ae32a1SGerd Hoffmann s->portsc[firstport + i] = PORTSC_POWNER; 1026f1ae32a1SGerd Hoffmann } 1027f1ae32a1SGerd Hoffmann 1028f1ae32a1SGerd Hoffmann s->companion_count++; 10293e4f910cSGerd Hoffmann s->caps[0x05] = (s->companion_count << 4) | portcount; 1030f1ae32a1SGerd Hoffmann 1031f1ae32a1SGerd Hoffmann return 0; 1032f1ae32a1SGerd Hoffmann } 1033f1ae32a1SGerd Hoffmann 1034f1ae32a1SGerd Hoffmann static USBDevice *ehci_find_device(EHCIState *ehci, uint8_t addr) 1035f1ae32a1SGerd Hoffmann { 1036f1ae32a1SGerd Hoffmann USBDevice *dev; 1037f1ae32a1SGerd Hoffmann USBPort *port; 1038f1ae32a1SGerd Hoffmann int i; 1039f1ae32a1SGerd Hoffmann 1040f1ae32a1SGerd Hoffmann for (i = 0; i < NB_PORTS; i++) { 1041f1ae32a1SGerd Hoffmann port = &ehci->ports[i]; 1042f1ae32a1SGerd Hoffmann if (!(ehci->portsc[i] & PORTSC_PED)) { 1043f1ae32a1SGerd Hoffmann DPRINTF("Port %d not enabled\n", i); 1044f1ae32a1SGerd Hoffmann continue; 1045f1ae32a1SGerd Hoffmann } 1046f1ae32a1SGerd Hoffmann dev = usb_find_device(port, addr); 1047f1ae32a1SGerd Hoffmann if (dev != NULL) { 1048f1ae32a1SGerd Hoffmann return dev; 1049f1ae32a1SGerd Hoffmann } 1050f1ae32a1SGerd Hoffmann } 1051f1ae32a1SGerd Hoffmann return NULL; 1052f1ae32a1SGerd Hoffmann } 1053f1ae32a1SGerd Hoffmann 1054f1ae32a1SGerd Hoffmann /* 4.1 host controller initialization */ 1055f1ae32a1SGerd Hoffmann static void ehci_reset(void *opaque) 1056f1ae32a1SGerd Hoffmann { 1057f1ae32a1SGerd Hoffmann EHCIState *s = opaque; 1058f1ae32a1SGerd Hoffmann int i; 1059f1ae32a1SGerd Hoffmann USBDevice *devs[NB_PORTS]; 1060f1ae32a1SGerd Hoffmann 1061f1ae32a1SGerd Hoffmann trace_usb_ehci_reset(); 1062f1ae32a1SGerd Hoffmann 1063f1ae32a1SGerd Hoffmann /* 1064f1ae32a1SGerd Hoffmann * Do the detach before touching portsc, so that it correctly gets send to 1065f1ae32a1SGerd Hoffmann * us or to our companion based on PORTSC_POWNER before the reset. 1066f1ae32a1SGerd Hoffmann */ 1067f1ae32a1SGerd Hoffmann for(i = 0; i < NB_PORTS; i++) { 1068f1ae32a1SGerd Hoffmann devs[i] = s->ports[i].dev; 1069f1ae32a1SGerd Hoffmann if (devs[i] && devs[i]->attached) { 1070f1ae32a1SGerd Hoffmann usb_detach(&s->ports[i]); 1071f1ae32a1SGerd Hoffmann } 1072f1ae32a1SGerd Hoffmann } 1073f1ae32a1SGerd Hoffmann 10743e4f910cSGerd Hoffmann memset(&s->opreg, 0x00, sizeof(s->opreg)); 10753e4f910cSGerd Hoffmann memset(&s->portsc, 0x00, sizeof(s->portsc)); 1076f1ae32a1SGerd Hoffmann 1077f1ae32a1SGerd Hoffmann s->usbcmd = NB_MAXINTRATE << USBCMD_ITC_SH; 1078f1ae32a1SGerd Hoffmann s->usbsts = USBSTS_HALT; 10797efc17afSGerd Hoffmann s->usbsts_pending = 0; 10807efc17afSGerd Hoffmann s->usbsts_frindex = 0; 1081f1ae32a1SGerd Hoffmann 1082f1ae32a1SGerd Hoffmann s->astate = EST_INACTIVE; 1083f1ae32a1SGerd Hoffmann s->pstate = EST_INACTIVE; 1084f1ae32a1SGerd Hoffmann 1085f1ae32a1SGerd Hoffmann for(i = 0; i < NB_PORTS; i++) { 1086f1ae32a1SGerd Hoffmann if (s->companion_ports[i]) { 1087f1ae32a1SGerd Hoffmann s->portsc[i] = PORTSC_POWNER | PORTSC_PPOWER; 1088f1ae32a1SGerd Hoffmann } else { 1089f1ae32a1SGerd Hoffmann s->portsc[i] = PORTSC_PPOWER; 1090f1ae32a1SGerd Hoffmann } 1091f1ae32a1SGerd Hoffmann if (devs[i] && devs[i]->attached) { 1092f1ae32a1SGerd Hoffmann usb_attach(&s->ports[i]); 1093f1ae32a1SGerd Hoffmann usb_device_reset(devs[i]); 1094f1ae32a1SGerd Hoffmann } 1095f1ae32a1SGerd Hoffmann } 1096f1ae32a1SGerd Hoffmann ehci_queues_rip_all(s, 0); 1097f1ae32a1SGerd Hoffmann ehci_queues_rip_all(s, 1); 1098f1ae32a1SGerd Hoffmann qemu_del_timer(s->frame_timer); 10990fb3e299SGerd Hoffmann qemu_bh_cancel(s->async_bh); 1100f1ae32a1SGerd Hoffmann } 1101f1ae32a1SGerd Hoffmann 1102a8170e5eSAvi Kivity static uint64_t ehci_caps_read(void *ptr, hwaddr addr, 11033e4f910cSGerd Hoffmann unsigned size) 11043e4f910cSGerd Hoffmann { 11053e4f910cSGerd Hoffmann EHCIState *s = ptr; 11063e4f910cSGerd Hoffmann return s->caps[addr]; 11073e4f910cSGerd Hoffmann } 11083e4f910cSGerd Hoffmann 1109a8170e5eSAvi Kivity static uint64_t ehci_opreg_read(void *ptr, hwaddr addr, 11103e4f910cSGerd Hoffmann unsigned size) 1111f1ae32a1SGerd Hoffmann { 1112f1ae32a1SGerd Hoffmann EHCIState *s = ptr; 1113f1ae32a1SGerd Hoffmann uint32_t val; 1114f1ae32a1SGerd Hoffmann 11153e4f910cSGerd Hoffmann val = s->opreg[addr >> 2]; 11163e4f910cSGerd Hoffmann trace_usb_ehci_opreg_read(addr + OPREGBASE, addr2str(addr), val); 1117f1ae32a1SGerd Hoffmann return val; 1118f1ae32a1SGerd Hoffmann } 1119f1ae32a1SGerd Hoffmann 1120a8170e5eSAvi Kivity static uint64_t ehci_port_read(void *ptr, hwaddr addr, 11213e4f910cSGerd Hoffmann unsigned size) 1122f1ae32a1SGerd Hoffmann { 1123f1ae32a1SGerd Hoffmann EHCIState *s = ptr; 1124f1ae32a1SGerd Hoffmann uint32_t val; 1125f1ae32a1SGerd Hoffmann 11263e4f910cSGerd Hoffmann val = s->portsc[addr >> 2]; 11273e4f910cSGerd Hoffmann trace_usb_ehci_portsc_read(addr + PORTSC_BEGIN, addr >> 2, val); 1128f1ae32a1SGerd Hoffmann return val; 1129f1ae32a1SGerd Hoffmann } 1130f1ae32a1SGerd Hoffmann 1131f1ae32a1SGerd Hoffmann static void handle_port_owner_write(EHCIState *s, int port, uint32_t owner) 1132f1ae32a1SGerd Hoffmann { 1133f1ae32a1SGerd Hoffmann USBDevice *dev = s->ports[port].dev; 1134f1ae32a1SGerd Hoffmann uint32_t *portsc = &s->portsc[port]; 1135f1ae32a1SGerd Hoffmann uint32_t orig; 1136f1ae32a1SGerd Hoffmann 1137f1ae32a1SGerd Hoffmann if (s->companion_ports[port] == NULL) 1138f1ae32a1SGerd Hoffmann return; 1139f1ae32a1SGerd Hoffmann 1140f1ae32a1SGerd Hoffmann owner = owner & PORTSC_POWNER; 1141f1ae32a1SGerd Hoffmann orig = *portsc & PORTSC_POWNER; 1142f1ae32a1SGerd Hoffmann 1143f1ae32a1SGerd Hoffmann if (!(owner ^ orig)) { 1144f1ae32a1SGerd Hoffmann return; 1145f1ae32a1SGerd Hoffmann } 1146f1ae32a1SGerd Hoffmann 1147f1ae32a1SGerd Hoffmann if (dev && dev->attached) { 1148f1ae32a1SGerd Hoffmann usb_detach(&s->ports[port]); 1149f1ae32a1SGerd Hoffmann } 1150f1ae32a1SGerd Hoffmann 1151f1ae32a1SGerd Hoffmann *portsc &= ~PORTSC_POWNER; 1152f1ae32a1SGerd Hoffmann *portsc |= owner; 1153f1ae32a1SGerd Hoffmann 1154f1ae32a1SGerd Hoffmann if (dev && dev->attached) { 1155f1ae32a1SGerd Hoffmann usb_attach(&s->ports[port]); 1156f1ae32a1SGerd Hoffmann } 1157f1ae32a1SGerd Hoffmann } 1158f1ae32a1SGerd Hoffmann 1159a8170e5eSAvi Kivity static void ehci_port_write(void *ptr, hwaddr addr, 11603e4f910cSGerd Hoffmann uint64_t val, unsigned size) 1161f1ae32a1SGerd Hoffmann { 11623e4f910cSGerd Hoffmann EHCIState *s = ptr; 11633e4f910cSGerd Hoffmann int port = addr >> 2; 1164f1ae32a1SGerd Hoffmann uint32_t *portsc = &s->portsc[port]; 11653e4f910cSGerd Hoffmann uint32_t old = *portsc; 1166f1ae32a1SGerd Hoffmann USBDevice *dev = s->ports[port].dev; 1167f1ae32a1SGerd Hoffmann 11683e4f910cSGerd Hoffmann trace_usb_ehci_portsc_write(addr + PORTSC_BEGIN, addr >> 2, val); 11693e4f910cSGerd Hoffmann 1170f1ae32a1SGerd Hoffmann /* Clear rwc bits */ 1171f1ae32a1SGerd Hoffmann *portsc &= ~(val & PORTSC_RWC_MASK); 1172f1ae32a1SGerd Hoffmann /* The guest may clear, but not set the PED bit */ 1173f1ae32a1SGerd Hoffmann *portsc &= val | ~PORTSC_PED; 1174f1ae32a1SGerd Hoffmann /* POWNER is masked out by RO_MASK as it is RO when we've no companion */ 1175f1ae32a1SGerd Hoffmann handle_port_owner_write(s, port, val); 1176f1ae32a1SGerd Hoffmann /* And finally apply RO_MASK */ 1177f1ae32a1SGerd Hoffmann val &= PORTSC_RO_MASK; 1178f1ae32a1SGerd Hoffmann 1179f1ae32a1SGerd Hoffmann if ((val & PORTSC_PRESET) && !(*portsc & PORTSC_PRESET)) { 1180f1ae32a1SGerd Hoffmann trace_usb_ehci_port_reset(port, 1); 1181f1ae32a1SGerd Hoffmann } 1182f1ae32a1SGerd Hoffmann 1183f1ae32a1SGerd Hoffmann if (!(val & PORTSC_PRESET) &&(*portsc & PORTSC_PRESET)) { 1184f1ae32a1SGerd Hoffmann trace_usb_ehci_port_reset(port, 0); 1185f1ae32a1SGerd Hoffmann if (dev && dev->attached) { 1186f1ae32a1SGerd Hoffmann usb_port_reset(&s->ports[port]); 1187f1ae32a1SGerd Hoffmann *portsc &= ~PORTSC_CSC; 1188f1ae32a1SGerd Hoffmann } 1189f1ae32a1SGerd Hoffmann 1190f1ae32a1SGerd Hoffmann /* 1191f1ae32a1SGerd Hoffmann * Table 2.16 Set the enable bit(and enable bit change) to indicate 1192f1ae32a1SGerd Hoffmann * to SW that this port has a high speed device attached 1193f1ae32a1SGerd Hoffmann */ 1194f1ae32a1SGerd Hoffmann if (dev && dev->attached && (dev->speedmask & USB_SPEED_MASK_HIGH)) { 1195f1ae32a1SGerd Hoffmann val |= PORTSC_PED; 1196f1ae32a1SGerd Hoffmann } 1197f1ae32a1SGerd Hoffmann } 1198f1ae32a1SGerd Hoffmann 1199f1ae32a1SGerd Hoffmann *portsc &= ~PORTSC_RO_MASK; 1200f1ae32a1SGerd Hoffmann *portsc |= val; 12013e4f910cSGerd Hoffmann trace_usb_ehci_portsc_change(addr + PORTSC_BEGIN, addr >> 2, *portsc, old); 1202f1ae32a1SGerd Hoffmann } 1203f1ae32a1SGerd Hoffmann 1204a8170e5eSAvi Kivity static void ehci_opreg_write(void *ptr, hwaddr addr, 12053e4f910cSGerd Hoffmann uint64_t val, unsigned size) 1206f1ae32a1SGerd Hoffmann { 1207f1ae32a1SGerd Hoffmann EHCIState *s = ptr; 12083e4f910cSGerd Hoffmann uint32_t *mmio = s->opreg + (addr >> 2); 1209f1ae32a1SGerd Hoffmann uint32_t old = *mmio; 1210f1ae32a1SGerd Hoffmann int i; 1211f1ae32a1SGerd Hoffmann 12123e4f910cSGerd Hoffmann trace_usb_ehci_opreg_write(addr + OPREGBASE, addr2str(addr), val); 1213f1ae32a1SGerd Hoffmann 12143e4f910cSGerd Hoffmann switch (addr + OPREGBASE) { 1215f1ae32a1SGerd Hoffmann case USBCMD: 12167046530cSGerd Hoffmann if (val & USBCMD_HCRESET) { 12177046530cSGerd Hoffmann ehci_reset(s); 12187046530cSGerd Hoffmann val = s->usbcmd; 12197046530cSGerd Hoffmann break; 12207046530cSGerd Hoffmann } 12217046530cSGerd Hoffmann 1222f1ae32a1SGerd Hoffmann /* not supporting dynamic frame list size at the moment */ 1223f1ae32a1SGerd Hoffmann if ((val & USBCMD_FLS) && !(s->usbcmd & USBCMD_FLS)) { 1224f1ae32a1SGerd Hoffmann fprintf(stderr, "attempt to set frame list size -- value %d\n", 12253e4f910cSGerd Hoffmann (int)val & USBCMD_FLS); 1226f1ae32a1SGerd Hoffmann val &= ~USBCMD_FLS; 1227f1ae32a1SGerd Hoffmann } 122847d073ccSHans de Goede 1229a1c3e4b8SHans de Goede if (val & USBCMD_IAAD) { 1230a1c3e4b8SHans de Goede /* 1231a1c3e4b8SHans de Goede * Process IAAD immediately, otherwise the Linux IAAD watchdog may 1232a1c3e4b8SHans de Goede * trigger and re-use a qh without us seeing the unlink. 1233a1c3e4b8SHans de Goede */ 1234a1c3e4b8SHans de Goede s->async_stepdown = 0; 1235a1c3e4b8SHans de Goede qemu_bh_schedule(s->async_bh); 12361defcbd1SGerd Hoffmann trace_usb_ehci_doorbell_ring(); 1237a1c3e4b8SHans de Goede } 1238a1c3e4b8SHans de Goede 123947d073ccSHans de Goede if (((USBCMD_RUNSTOP | USBCMD_PSE | USBCMD_ASE) & val) != 124047d073ccSHans de Goede ((USBCMD_RUNSTOP | USBCMD_PSE | USBCMD_ASE) & s->usbcmd)) { 124147d073ccSHans de Goede if (s->pstate == EST_INACTIVE) { 124247d073ccSHans de Goede SET_LAST_RUN_CLOCK(s); 124347d073ccSHans de Goede } 124447d073ccSHans de Goede s->usbcmd = val; /* Set usbcmd for ehci_update_halt() */ 124547d073ccSHans de Goede ehci_update_halt(s); 124647d073ccSHans de Goede s->async_stepdown = 0; 1247*0262f65aSHans de Goede qemu_bh_schedule(s->async_bh); 124847d073ccSHans de Goede } 1249f1ae32a1SGerd Hoffmann break; 1250f1ae32a1SGerd Hoffmann 1251f1ae32a1SGerd Hoffmann case USBSTS: 1252a31f0531SJim Meyering val &= USBSTS_RO_MASK; // bits 6 through 31 are RO 1253a31f0531SJim Meyering ehci_clear_usbsts(s, val); // bits 0 through 5 are R/WC 1254f1ae32a1SGerd Hoffmann val = s->usbsts; 12557efc17afSGerd Hoffmann ehci_update_irq(s); 1256f1ae32a1SGerd Hoffmann break; 1257f1ae32a1SGerd Hoffmann 1258f1ae32a1SGerd Hoffmann case USBINTR: 1259f1ae32a1SGerd Hoffmann val &= USBINTR_MASK; 1260f1ae32a1SGerd Hoffmann break; 1261f1ae32a1SGerd Hoffmann 12628a771f77SHans de Goede case FRINDEX: 12638a771f77SHans de Goede val &= 0x00003ff8; /* frindex is 14bits and always a multiple of 8 */ 12648a771f77SHans de Goede break; 12658a771f77SHans de Goede 1266f1ae32a1SGerd Hoffmann case CONFIGFLAG: 1267f1ae32a1SGerd Hoffmann val &= 0x1; 1268f1ae32a1SGerd Hoffmann if (val) { 1269f1ae32a1SGerd Hoffmann for(i = 0; i < NB_PORTS; i++) 1270f1ae32a1SGerd Hoffmann handle_port_owner_write(s, i, 0); 1271f1ae32a1SGerd Hoffmann } 1272f1ae32a1SGerd Hoffmann break; 1273f1ae32a1SGerd Hoffmann 1274f1ae32a1SGerd Hoffmann case PERIODICLISTBASE: 1275ec807d12SGerd Hoffmann if (ehci_periodic_enabled(s)) { 1276f1ae32a1SGerd Hoffmann fprintf(stderr, 1277f1ae32a1SGerd Hoffmann "ehci: PERIODIC list base register set while periodic schedule\n" 1278f1ae32a1SGerd Hoffmann " is enabled and HC is enabled\n"); 1279f1ae32a1SGerd Hoffmann } 1280f1ae32a1SGerd Hoffmann break; 1281f1ae32a1SGerd Hoffmann 1282f1ae32a1SGerd Hoffmann case ASYNCLISTADDR: 1283ec807d12SGerd Hoffmann if (ehci_async_enabled(s)) { 1284f1ae32a1SGerd Hoffmann fprintf(stderr, 1285f1ae32a1SGerd Hoffmann "ehci: ASYNC list address register set while async schedule\n" 1286f1ae32a1SGerd Hoffmann " is enabled and HC is enabled\n"); 1287f1ae32a1SGerd Hoffmann } 1288f1ae32a1SGerd Hoffmann break; 1289f1ae32a1SGerd Hoffmann } 1290f1ae32a1SGerd Hoffmann 1291f1ae32a1SGerd Hoffmann *mmio = val; 12923e4f910cSGerd Hoffmann trace_usb_ehci_opreg_change(addr + OPREGBASE, addr2str(addr), *mmio, old); 1293f1ae32a1SGerd Hoffmann } 1294f1ae32a1SGerd Hoffmann 1295f1ae32a1SGerd Hoffmann 1296f1ae32a1SGerd Hoffmann // TODO : Put in common header file, duplication from usb-ohci.c 1297f1ae32a1SGerd Hoffmann 1298f1ae32a1SGerd Hoffmann /* Get an array of dwords from main memory */ 1299f1ae32a1SGerd Hoffmann static inline int get_dwords(EHCIState *ehci, uint32_t addr, 1300f1ae32a1SGerd Hoffmann uint32_t *buf, int num) 1301f1ae32a1SGerd Hoffmann { 1302f1ae32a1SGerd Hoffmann int i; 1303f1ae32a1SGerd Hoffmann 1304f1ae32a1SGerd Hoffmann for(i = 0; i < num; i++, buf++, addr += sizeof(*buf)) { 1305f1ae32a1SGerd Hoffmann pci_dma_read(&ehci->dev, addr, buf, sizeof(*buf)); 1306f1ae32a1SGerd Hoffmann *buf = le32_to_cpu(*buf); 1307f1ae32a1SGerd Hoffmann } 1308f1ae32a1SGerd Hoffmann 1309f1ae32a1SGerd Hoffmann return 1; 1310f1ae32a1SGerd Hoffmann } 1311f1ae32a1SGerd Hoffmann 1312f1ae32a1SGerd Hoffmann /* Put an array of dwords in to main memory */ 1313f1ae32a1SGerd Hoffmann static inline int put_dwords(EHCIState *ehci, uint32_t addr, 1314f1ae32a1SGerd Hoffmann uint32_t *buf, int num) 1315f1ae32a1SGerd Hoffmann { 1316f1ae32a1SGerd Hoffmann int i; 1317f1ae32a1SGerd Hoffmann 1318f1ae32a1SGerd Hoffmann for(i = 0; i < num; i++, buf++, addr += sizeof(*buf)) { 1319f1ae32a1SGerd Hoffmann uint32_t tmp = cpu_to_le32(*buf); 1320f1ae32a1SGerd Hoffmann pci_dma_write(&ehci->dev, addr, &tmp, sizeof(tmp)); 1321f1ae32a1SGerd Hoffmann } 1322f1ae32a1SGerd Hoffmann 1323f1ae32a1SGerd Hoffmann return 1; 1324f1ae32a1SGerd Hoffmann } 1325f1ae32a1SGerd Hoffmann 1326a5e0139aSGerd Hoffmann /* 1327a5e0139aSGerd Hoffmann * Write the qh back to guest physical memory. This step isn't 1328a5e0139aSGerd Hoffmann * in the EHCI spec but we need to do it since we don't share 1329a5e0139aSGerd Hoffmann * physical memory with our guest VM. 1330a5e0139aSGerd Hoffmann * 1331a5e0139aSGerd Hoffmann * The first three dwords are read-only for the EHCI, so skip them 1332a5e0139aSGerd Hoffmann * when writing back the qh. 1333a5e0139aSGerd Hoffmann */ 1334a5e0139aSGerd Hoffmann static void ehci_flush_qh(EHCIQueue *q) 1335a5e0139aSGerd Hoffmann { 1336a5e0139aSGerd Hoffmann uint32_t *qh = (uint32_t *) &q->qh; 1337a5e0139aSGerd Hoffmann uint32_t dwords = sizeof(EHCIqh) >> 2; 1338a5e0139aSGerd Hoffmann uint32_t addr = NLPTR_GET(q->qhaddr); 1339a5e0139aSGerd Hoffmann 1340a5e0139aSGerd Hoffmann put_dwords(q->ehci, addr + 3 * sizeof(uint32_t), qh + 3, dwords - 3); 1341a5e0139aSGerd Hoffmann } 1342a5e0139aSGerd Hoffmann 1343f1ae32a1SGerd Hoffmann // 4.10.2 1344f1ae32a1SGerd Hoffmann 1345f1ae32a1SGerd Hoffmann static int ehci_qh_do_overlay(EHCIQueue *q) 1346f1ae32a1SGerd Hoffmann { 1347eb36a88eSGerd Hoffmann EHCIPacket *p = QTAILQ_FIRST(&q->packets); 1348f1ae32a1SGerd Hoffmann int i; 1349f1ae32a1SGerd Hoffmann int dtoggle; 1350f1ae32a1SGerd Hoffmann int ping; 1351f1ae32a1SGerd Hoffmann int eps; 1352f1ae32a1SGerd Hoffmann int reload; 1353f1ae32a1SGerd Hoffmann 1354eb36a88eSGerd Hoffmann assert(p != NULL); 1355eb36a88eSGerd Hoffmann assert(p->qtdaddr == q->qtdaddr); 1356eb36a88eSGerd Hoffmann 1357f1ae32a1SGerd Hoffmann // remember values in fields to preserve in qh after overlay 1358f1ae32a1SGerd Hoffmann 1359f1ae32a1SGerd Hoffmann dtoggle = q->qh.token & QTD_TOKEN_DTOGGLE; 1360f1ae32a1SGerd Hoffmann ping = q->qh.token & QTD_TOKEN_PING; 1361f1ae32a1SGerd Hoffmann 1362eb36a88eSGerd Hoffmann q->qh.current_qtd = p->qtdaddr; 1363eb36a88eSGerd Hoffmann q->qh.next_qtd = p->qtd.next; 1364eb36a88eSGerd Hoffmann q->qh.altnext_qtd = p->qtd.altnext; 1365eb36a88eSGerd Hoffmann q->qh.token = p->qtd.token; 1366f1ae32a1SGerd Hoffmann 1367f1ae32a1SGerd Hoffmann 1368f1ae32a1SGerd Hoffmann eps = get_field(q->qh.epchar, QH_EPCHAR_EPS); 1369f1ae32a1SGerd Hoffmann if (eps == EHCI_QH_EPS_HIGH) { 1370f1ae32a1SGerd Hoffmann q->qh.token &= ~QTD_TOKEN_PING; 1371f1ae32a1SGerd Hoffmann q->qh.token |= ping; 1372f1ae32a1SGerd Hoffmann } 1373f1ae32a1SGerd Hoffmann 1374f1ae32a1SGerd Hoffmann reload = get_field(q->qh.epchar, QH_EPCHAR_RL); 1375f1ae32a1SGerd Hoffmann set_field(&q->qh.altnext_qtd, reload, QH_ALTNEXT_NAKCNT); 1376f1ae32a1SGerd Hoffmann 1377f1ae32a1SGerd Hoffmann for (i = 0; i < 5; i++) { 1378eb36a88eSGerd Hoffmann q->qh.bufptr[i] = p->qtd.bufptr[i]; 1379f1ae32a1SGerd Hoffmann } 1380f1ae32a1SGerd Hoffmann 1381f1ae32a1SGerd Hoffmann if (!(q->qh.epchar & QH_EPCHAR_DTC)) { 1382f1ae32a1SGerd Hoffmann // preserve QH DT bit 1383f1ae32a1SGerd Hoffmann q->qh.token &= ~QTD_TOKEN_DTOGGLE; 1384f1ae32a1SGerd Hoffmann q->qh.token |= dtoggle; 1385f1ae32a1SGerd Hoffmann } 1386f1ae32a1SGerd Hoffmann 1387f1ae32a1SGerd Hoffmann q->qh.bufptr[1] &= ~BUFPTR_CPROGMASK_MASK; 1388f1ae32a1SGerd Hoffmann q->qh.bufptr[2] &= ~BUFPTR_FRAMETAG_MASK; 1389f1ae32a1SGerd Hoffmann 1390a5e0139aSGerd Hoffmann ehci_flush_qh(q); 1391f1ae32a1SGerd Hoffmann 1392f1ae32a1SGerd Hoffmann return 0; 1393f1ae32a1SGerd Hoffmann } 1394f1ae32a1SGerd Hoffmann 1395eb36a88eSGerd Hoffmann static int ehci_init_transfer(EHCIPacket *p) 1396f1ae32a1SGerd Hoffmann { 1397f1ae32a1SGerd Hoffmann uint32_t cpage, offset, bytes, plen; 1398f1ae32a1SGerd Hoffmann dma_addr_t page; 1399f1ae32a1SGerd Hoffmann 1400eb36a88eSGerd Hoffmann cpage = get_field(p->qtd.token, QTD_TOKEN_CPAGE); 1401eb36a88eSGerd Hoffmann bytes = get_field(p->qtd.token, QTD_TOKEN_TBYTES); 1402eb36a88eSGerd Hoffmann offset = p->qtd.bufptr[0] & ~QTD_BUFPTR_MASK; 1403eb36a88eSGerd Hoffmann pci_dma_sglist_init(&p->sgl, &p->queue->ehci->dev, 5); 1404f1ae32a1SGerd Hoffmann 1405f1ae32a1SGerd Hoffmann while (bytes > 0) { 1406f1ae32a1SGerd Hoffmann if (cpage > 4) { 1407f1ae32a1SGerd Hoffmann fprintf(stderr, "cpage out of range (%d)\n", cpage); 1408f1ae32a1SGerd Hoffmann return USB_RET_PROCERR; 1409f1ae32a1SGerd Hoffmann } 1410f1ae32a1SGerd Hoffmann 1411eb36a88eSGerd Hoffmann page = p->qtd.bufptr[cpage] & QTD_BUFPTR_MASK; 1412f1ae32a1SGerd Hoffmann page += offset; 1413f1ae32a1SGerd Hoffmann plen = bytes; 1414f1ae32a1SGerd Hoffmann if (plen > 4096 - offset) { 1415f1ae32a1SGerd Hoffmann plen = 4096 - offset; 1416f1ae32a1SGerd Hoffmann offset = 0; 1417f1ae32a1SGerd Hoffmann cpage++; 1418f1ae32a1SGerd Hoffmann } 1419f1ae32a1SGerd Hoffmann 1420eb36a88eSGerd Hoffmann qemu_sglist_add(&p->sgl, page, plen); 1421f1ae32a1SGerd Hoffmann bytes -= plen; 1422f1ae32a1SGerd Hoffmann } 1423f1ae32a1SGerd Hoffmann return 0; 1424f1ae32a1SGerd Hoffmann } 1425f1ae32a1SGerd Hoffmann 1426f1ae32a1SGerd Hoffmann static void ehci_finish_transfer(EHCIQueue *q, int status) 1427f1ae32a1SGerd Hoffmann { 1428f1ae32a1SGerd Hoffmann uint32_t cpage, offset; 1429f1ae32a1SGerd Hoffmann 1430f1ae32a1SGerd Hoffmann if (status > 0) { 1431f1ae32a1SGerd Hoffmann /* update cpage & offset */ 1432f1ae32a1SGerd Hoffmann cpage = get_field(q->qh.token, QTD_TOKEN_CPAGE); 1433f1ae32a1SGerd Hoffmann offset = q->qh.bufptr[0] & ~QTD_BUFPTR_MASK; 1434f1ae32a1SGerd Hoffmann 1435f1ae32a1SGerd Hoffmann offset += status; 1436f1ae32a1SGerd Hoffmann cpage += offset >> QTD_BUFPTR_SH; 1437f1ae32a1SGerd Hoffmann offset &= ~QTD_BUFPTR_MASK; 1438f1ae32a1SGerd Hoffmann 1439f1ae32a1SGerd Hoffmann set_field(&q->qh.token, cpage, QTD_TOKEN_CPAGE); 1440f1ae32a1SGerd Hoffmann q->qh.bufptr[0] &= QTD_BUFPTR_MASK; 1441f1ae32a1SGerd Hoffmann q->qh.bufptr[0] |= offset; 1442f1ae32a1SGerd Hoffmann } 1443f1ae32a1SGerd Hoffmann } 1444f1ae32a1SGerd Hoffmann 1445f1ae32a1SGerd Hoffmann static void ehci_async_complete_packet(USBPort *port, USBPacket *packet) 1446f1ae32a1SGerd Hoffmann { 1447eb36a88eSGerd Hoffmann EHCIPacket *p; 1448f1ae32a1SGerd Hoffmann EHCIState *s = port->opaque; 1449f1ae32a1SGerd Hoffmann uint32_t portsc = s->portsc[port->index]; 1450f1ae32a1SGerd Hoffmann 1451f1ae32a1SGerd Hoffmann if (portsc & PORTSC_POWNER) { 1452f1ae32a1SGerd Hoffmann USBPort *companion = s->companion_ports[port->index]; 1453f1ae32a1SGerd Hoffmann companion->ops->complete(companion, packet); 1454f1ae32a1SGerd Hoffmann return; 1455f1ae32a1SGerd Hoffmann } 1456f1ae32a1SGerd Hoffmann 1457eb36a88eSGerd Hoffmann p = container_of(packet, EHCIPacket, packet); 1458eb36a88eSGerd Hoffmann trace_usb_ehci_packet_action(p->queue, p, "wakeup"); 1459eb36a88eSGerd Hoffmann assert(p->async == EHCI_ASYNC_INFLIGHT); 1460eb36a88eSGerd Hoffmann p->async = EHCI_ASYNC_FINISHED; 1461eb36a88eSGerd Hoffmann p->usb_status = packet->result; 1462ae710b99SGerd Hoffmann 1463ae710b99SGerd Hoffmann if (p->queue->async) { 1464ae710b99SGerd Hoffmann qemu_bh_schedule(p->queue->ehci->async_bh); 1465ae710b99SGerd Hoffmann } 1466f1ae32a1SGerd Hoffmann } 1467f1ae32a1SGerd Hoffmann 1468f1ae32a1SGerd Hoffmann static void ehci_execute_complete(EHCIQueue *q) 1469f1ae32a1SGerd Hoffmann { 1470eb36a88eSGerd Hoffmann EHCIPacket *p = QTAILQ_FIRST(&q->packets); 1471eb36a88eSGerd Hoffmann 1472eb36a88eSGerd Hoffmann assert(p != NULL); 1473eb36a88eSGerd Hoffmann assert(p->qtdaddr == q->qtdaddr); 1474ef5b2344SHans de Goede assert(p->async == EHCI_ASYNC_INITIALIZED || 1475ef5b2344SHans de Goede p->async == EHCI_ASYNC_FINISHED); 1476f1ae32a1SGerd Hoffmann 1477f1ae32a1SGerd Hoffmann DPRINTF("execute_complete: qhaddr 0x%x, next %x, qtdaddr 0x%x, status %d\n", 1478f1ae32a1SGerd Hoffmann q->qhaddr, q->qh.next, q->qtdaddr, q->usb_status); 1479f1ae32a1SGerd Hoffmann 1480eb36a88eSGerd Hoffmann if (p->usb_status < 0) { 1481eb36a88eSGerd Hoffmann switch (p->usb_status) { 1482f1ae32a1SGerd Hoffmann case USB_RET_IOERROR: 1483f1ae32a1SGerd Hoffmann case USB_RET_NODEV: 1484f1ae32a1SGerd Hoffmann q->qh.token |= (QTD_TOKEN_HALT | QTD_TOKEN_XACTERR); 1485f1ae32a1SGerd Hoffmann set_field(&q->qh.token, 0, QTD_TOKEN_CERR); 14867efc17afSGerd Hoffmann ehci_raise_irq(q->ehci, USBSTS_ERRINT); 1487f1ae32a1SGerd Hoffmann break; 1488f1ae32a1SGerd Hoffmann case USB_RET_STALL: 1489f1ae32a1SGerd Hoffmann q->qh.token |= QTD_TOKEN_HALT; 14907efc17afSGerd Hoffmann ehci_raise_irq(q->ehci, USBSTS_ERRINT); 1491f1ae32a1SGerd Hoffmann break; 1492f1ae32a1SGerd Hoffmann case USB_RET_NAK: 1493f1ae32a1SGerd Hoffmann set_field(&q->qh.altnext_qtd, 0, QH_ALTNEXT_NAKCNT); 1494f1ae32a1SGerd Hoffmann return; /* We're not done yet with this transaction */ 1495f1ae32a1SGerd Hoffmann case USB_RET_BABBLE: 1496f1ae32a1SGerd Hoffmann q->qh.token |= (QTD_TOKEN_HALT | QTD_TOKEN_BABBLE); 14977efc17afSGerd Hoffmann ehci_raise_irq(q->ehci, USBSTS_ERRINT); 1498f1ae32a1SGerd Hoffmann break; 1499f1ae32a1SGerd Hoffmann default: 1500f1ae32a1SGerd Hoffmann /* should not be triggerable */ 1501eb36a88eSGerd Hoffmann fprintf(stderr, "USB invalid response %d\n", p->usb_status); 1502f1ae32a1SGerd Hoffmann assert(0); 1503f1ae32a1SGerd Hoffmann break; 1504f1ae32a1SGerd Hoffmann } 1505f1ae32a1SGerd Hoffmann } else { 1506f1ae32a1SGerd Hoffmann // TODO check 4.12 for splits 1507549a3c3dSHans de Goede uint32_t tbytes = get_field(q->qh.token, QTD_TOKEN_TBYTES); 1508f1ae32a1SGerd Hoffmann 1509549a3c3dSHans de Goede if (tbytes && p->pid == USB_TOKEN_IN) { 1510549a3c3dSHans de Goede tbytes -= p->usb_status; 1511cf08a8a1SHans de Goede if (tbytes) { 1512cf08a8a1SHans de Goede /* 4.15.1.2 must raise int on a short input packet */ 1513cf08a8a1SHans de Goede ehci_raise_irq(q->ehci, USBSTS_INT); 1514cf08a8a1SHans de Goede } 1515f1ae32a1SGerd Hoffmann } else { 1516549a3c3dSHans de Goede tbytes = 0; 1517f1ae32a1SGerd Hoffmann } 1518f1ae32a1SGerd Hoffmann 1519549a3c3dSHans de Goede DPRINTF("updating tbytes to %d\n", tbytes); 1520549a3c3dSHans de Goede set_field(&q->qh.token, tbytes, QTD_TOKEN_TBYTES); 1521f1ae32a1SGerd Hoffmann } 1522eb36a88eSGerd Hoffmann ehci_finish_transfer(q, p->usb_status); 1523e2f89926SDavid Gibson usb_packet_unmap(&p->packet, &p->sgl); 1524eb36a88eSGerd Hoffmann qemu_sglist_destroy(&p->sgl); 1525ef5b2344SHans de Goede p->async = EHCI_ASYNC_NONE; 1526f1ae32a1SGerd Hoffmann 1527f1ae32a1SGerd Hoffmann q->qh.token ^= QTD_TOKEN_DTOGGLE; 1528f1ae32a1SGerd Hoffmann q->qh.token &= ~QTD_TOKEN_ACTIVE; 1529f1ae32a1SGerd Hoffmann 1530f1ae32a1SGerd Hoffmann if (q->qh.token & QTD_TOKEN_IOC) { 15317efc17afSGerd Hoffmann ehci_raise_irq(q->ehci, USBSTS_INT); 1532f1ae32a1SGerd Hoffmann } 1533f1ae32a1SGerd Hoffmann } 1534f1ae32a1SGerd Hoffmann 1535f1ae32a1SGerd Hoffmann // 4.10.3 1536f1ae32a1SGerd Hoffmann 1537773dc9cdSGerd Hoffmann static int ehci_execute(EHCIPacket *p, const char *action) 1538f1ae32a1SGerd Hoffmann { 1539f1ae32a1SGerd Hoffmann USBEndpoint *ep; 1540f1ae32a1SGerd Hoffmann int ret; 1541f1ae32a1SGerd Hoffmann int endp; 1542f1ae32a1SGerd Hoffmann 1543ef5b2344SHans de Goede assert(p->async == EHCI_ASYNC_NONE || 1544ef5b2344SHans de Goede p->async == EHCI_ASYNC_INITIALIZED); 1545ef5b2344SHans de Goede 15464224558fSGerd Hoffmann if (!(p->qtd.token & QTD_TOKEN_ACTIVE)) { 15474224558fSGerd Hoffmann fprintf(stderr, "Attempting to execute inactive qtd\n"); 1548f1ae32a1SGerd Hoffmann return USB_RET_PROCERR; 1549f1ae32a1SGerd Hoffmann } 1550f1ae32a1SGerd Hoffmann 1551549a3c3dSHans de Goede if (get_field(p->qtd.token, QTD_TOKEN_TBYTES) > BUFF_SIZE) { 15523a8ca08eSHans de Goede ehci_trace_guest_bug(p->queue->ehci, 15533a8ca08eSHans de Goede "guest requested more bytes than allowed"); 1554f1ae32a1SGerd Hoffmann return USB_RET_PROCERR; 1555f1ae32a1SGerd Hoffmann } 1556f1ae32a1SGerd Hoffmann 15574224558fSGerd Hoffmann p->pid = (p->qtd.token & QTD_TOKEN_PID_MASK) >> QTD_TOKEN_PID_SH; 1558eb36a88eSGerd Hoffmann switch (p->pid) { 1559eb36a88eSGerd Hoffmann case 0: 1560eb36a88eSGerd Hoffmann p->pid = USB_TOKEN_OUT; 1561eb36a88eSGerd Hoffmann break; 1562eb36a88eSGerd Hoffmann case 1: 1563eb36a88eSGerd Hoffmann p->pid = USB_TOKEN_IN; 1564eb36a88eSGerd Hoffmann break; 1565eb36a88eSGerd Hoffmann case 2: 1566eb36a88eSGerd Hoffmann p->pid = USB_TOKEN_SETUP; 1567eb36a88eSGerd Hoffmann break; 1568eb36a88eSGerd Hoffmann default: 1569eb36a88eSGerd Hoffmann fprintf(stderr, "bad token\n"); 1570eb36a88eSGerd Hoffmann break; 1571f1ae32a1SGerd Hoffmann } 1572f1ae32a1SGerd Hoffmann 1573ef5b2344SHans de Goede endp = get_field(p->queue->qh.epchar, QH_EPCHAR_EP); 1574ef5b2344SHans de Goede ep = usb_ep_get(p->queue->dev, p->pid, endp); 1575ef5b2344SHans de Goede 1576ef5b2344SHans de Goede if (p->async == EHCI_ASYNC_NONE) { 1577eb36a88eSGerd Hoffmann if (ehci_init_transfer(p) != 0) { 1578f1ae32a1SGerd Hoffmann return USB_RET_PROCERR; 1579f1ae32a1SGerd Hoffmann } 1580f1ae32a1SGerd Hoffmann 1581e983395dSGerd Hoffmann usb_packet_setup(&p->packet, p->pid, ep, p->qtdaddr); 1582eb36a88eSGerd Hoffmann usb_packet_map(&p->packet, &p->sgl); 1583ef5b2344SHans de Goede p->async = EHCI_ASYNC_INITIALIZED; 1584ef5b2344SHans de Goede } 1585f1ae32a1SGerd Hoffmann 1586773dc9cdSGerd Hoffmann trace_usb_ehci_packet_action(p->queue, p, action); 1587e59928b3SGerd Hoffmann ret = usb_handle_packet(p->queue->dev, &p->packet); 1588549a3c3dSHans de Goede DPRINTF("submit: qh %x next %x qtd %x pid %x len %zd endp %x ret %d\n", 1589f1ae32a1SGerd Hoffmann q->qhaddr, q->qh.next, q->qtdaddr, q->pid, 1590549a3c3dSHans de Goede q->packet.iov.size, endp, ret); 1591f1ae32a1SGerd Hoffmann 1592f1ae32a1SGerd Hoffmann if (ret > BUFF_SIZE) { 1593f1ae32a1SGerd Hoffmann fprintf(stderr, "ret from usb_handle_packet > BUFF_SIZE\n"); 1594f1ae32a1SGerd Hoffmann return USB_RET_PROCERR; 1595f1ae32a1SGerd Hoffmann } 1596f1ae32a1SGerd Hoffmann 1597f1ae32a1SGerd Hoffmann return ret; 1598f1ae32a1SGerd Hoffmann } 1599f1ae32a1SGerd Hoffmann 1600f1ae32a1SGerd Hoffmann /* 4.7.2 1601f1ae32a1SGerd Hoffmann */ 1602f1ae32a1SGerd Hoffmann 1603f1ae32a1SGerd Hoffmann static int ehci_process_itd(EHCIState *ehci, 1604e983395dSGerd Hoffmann EHCIitd *itd, 1605e983395dSGerd Hoffmann uint32_t addr) 1606f1ae32a1SGerd Hoffmann { 1607f1ae32a1SGerd Hoffmann USBDevice *dev; 1608f1ae32a1SGerd Hoffmann USBEndpoint *ep; 1609f1ae32a1SGerd Hoffmann int ret; 1610f1ae32a1SGerd Hoffmann uint32_t i, len, pid, dir, devaddr, endp; 1611f1ae32a1SGerd Hoffmann uint32_t pg, off, ptr1, ptr2, max, mult; 1612f1ae32a1SGerd Hoffmann 1613f1ae32a1SGerd Hoffmann dir =(itd->bufptr[1] & ITD_BUFPTR_DIRECTION); 1614f1ae32a1SGerd Hoffmann devaddr = get_field(itd->bufptr[0], ITD_BUFPTR_DEVADDR); 1615f1ae32a1SGerd Hoffmann endp = get_field(itd->bufptr[0], ITD_BUFPTR_EP); 1616f1ae32a1SGerd Hoffmann max = get_field(itd->bufptr[1], ITD_BUFPTR_MAXPKT); 1617f1ae32a1SGerd Hoffmann mult = get_field(itd->bufptr[2], ITD_BUFPTR_MULT); 1618f1ae32a1SGerd Hoffmann 1619f1ae32a1SGerd Hoffmann for(i = 0; i < 8; i++) { 1620f1ae32a1SGerd Hoffmann if (itd->transact[i] & ITD_XACT_ACTIVE) { 1621f1ae32a1SGerd Hoffmann pg = get_field(itd->transact[i], ITD_XACT_PGSEL); 1622f1ae32a1SGerd Hoffmann off = itd->transact[i] & ITD_XACT_OFFSET_MASK; 1623f1ae32a1SGerd Hoffmann ptr1 = (itd->bufptr[pg] & ITD_BUFPTR_MASK); 1624f1ae32a1SGerd Hoffmann ptr2 = (itd->bufptr[pg+1] & ITD_BUFPTR_MASK); 1625f1ae32a1SGerd Hoffmann len = get_field(itd->transact[i], ITD_XACT_LENGTH); 1626f1ae32a1SGerd Hoffmann 1627f1ae32a1SGerd Hoffmann if (len > max * mult) { 1628f1ae32a1SGerd Hoffmann len = max * mult; 1629f1ae32a1SGerd Hoffmann } 1630f1ae32a1SGerd Hoffmann 1631f1ae32a1SGerd Hoffmann if (len > BUFF_SIZE) { 1632f1ae32a1SGerd Hoffmann return USB_RET_PROCERR; 1633f1ae32a1SGerd Hoffmann } 1634f1ae32a1SGerd Hoffmann 1635f1ae32a1SGerd Hoffmann pci_dma_sglist_init(&ehci->isgl, &ehci->dev, 2); 1636f1ae32a1SGerd Hoffmann if (off + len > 4096) { 1637f1ae32a1SGerd Hoffmann /* transfer crosses page border */ 1638f1ae32a1SGerd Hoffmann uint32_t len2 = off + len - 4096; 1639f1ae32a1SGerd Hoffmann uint32_t len1 = len - len2; 1640f1ae32a1SGerd Hoffmann qemu_sglist_add(&ehci->isgl, ptr1 + off, len1); 1641f1ae32a1SGerd Hoffmann qemu_sglist_add(&ehci->isgl, ptr2, len2); 1642f1ae32a1SGerd Hoffmann } else { 1643f1ae32a1SGerd Hoffmann qemu_sglist_add(&ehci->isgl, ptr1 + off, len); 1644f1ae32a1SGerd Hoffmann } 1645f1ae32a1SGerd Hoffmann 1646f1ae32a1SGerd Hoffmann pid = dir ? USB_TOKEN_IN : USB_TOKEN_OUT; 1647f1ae32a1SGerd Hoffmann 1648f1ae32a1SGerd Hoffmann dev = ehci_find_device(ehci, devaddr); 1649f1ae32a1SGerd Hoffmann ep = usb_ep_get(dev, pid, endp); 16507ce86aa1SHans de Goede if (ep && ep->type == USB_ENDPOINT_XFER_ISOC) { 1651e983395dSGerd Hoffmann usb_packet_setup(&ehci->ipacket, pid, ep, addr); 1652f1ae32a1SGerd Hoffmann usb_packet_map(&ehci->ipacket, &ehci->isgl); 1653f1ae32a1SGerd Hoffmann ret = usb_handle_packet(dev, &ehci->ipacket); 1654f1ae32a1SGerd Hoffmann assert(ret != USB_RET_ASYNC); 1655e2f89926SDavid Gibson usb_packet_unmap(&ehci->ipacket, &ehci->isgl); 1656f1ae32a1SGerd Hoffmann } else { 1657f1ae32a1SGerd Hoffmann DPRINTF("ISOCH: attempt to addess non-iso endpoint\n"); 1658f1ae32a1SGerd Hoffmann ret = USB_RET_NAK; 1659f1ae32a1SGerd Hoffmann } 1660f1ae32a1SGerd Hoffmann qemu_sglist_destroy(&ehci->isgl); 1661f1ae32a1SGerd Hoffmann 1662f1ae32a1SGerd Hoffmann if (ret < 0) { 1663f1ae32a1SGerd Hoffmann switch (ret) { 1664f1ae32a1SGerd Hoffmann default: 1665f1ae32a1SGerd Hoffmann fprintf(stderr, "Unexpected iso usb result: %d\n", ret); 1666f1ae32a1SGerd Hoffmann /* Fall through */ 1667f1ae32a1SGerd Hoffmann case USB_RET_IOERROR: 1668f1ae32a1SGerd Hoffmann case USB_RET_NODEV: 1669f1ae32a1SGerd Hoffmann /* 3.3.2: XACTERR is only allowed on IN transactions */ 1670f1ae32a1SGerd Hoffmann if (dir) { 1671f1ae32a1SGerd Hoffmann itd->transact[i] |= ITD_XACT_XACTERR; 16727efc17afSGerd Hoffmann ehci_raise_irq(ehci, USBSTS_ERRINT); 1673f1ae32a1SGerd Hoffmann } 1674f1ae32a1SGerd Hoffmann break; 1675f1ae32a1SGerd Hoffmann case USB_RET_BABBLE: 1676f1ae32a1SGerd Hoffmann itd->transact[i] |= ITD_XACT_BABBLE; 16777efc17afSGerd Hoffmann ehci_raise_irq(ehci, USBSTS_ERRINT); 1678f1ae32a1SGerd Hoffmann break; 1679f1ae32a1SGerd Hoffmann case USB_RET_NAK: 1680f1ae32a1SGerd Hoffmann /* no data for us, so do a zero-length transfer */ 1681f1ae32a1SGerd Hoffmann ret = 0; 1682f1ae32a1SGerd Hoffmann break; 1683f1ae32a1SGerd Hoffmann } 1684f1ae32a1SGerd Hoffmann } 1685f1ae32a1SGerd Hoffmann if (ret >= 0) { 1686f1ae32a1SGerd Hoffmann if (!dir) { 1687f1ae32a1SGerd Hoffmann /* OUT */ 1688f1ae32a1SGerd Hoffmann set_field(&itd->transact[i], len - ret, ITD_XACT_LENGTH); 1689f1ae32a1SGerd Hoffmann } else { 1690f1ae32a1SGerd Hoffmann /* IN */ 1691f1ae32a1SGerd Hoffmann set_field(&itd->transact[i], ret, ITD_XACT_LENGTH); 1692f1ae32a1SGerd Hoffmann } 1693f1ae32a1SGerd Hoffmann } 1694f1ae32a1SGerd Hoffmann if (itd->transact[i] & ITD_XACT_IOC) { 16957efc17afSGerd Hoffmann ehci_raise_irq(ehci, USBSTS_INT); 1696f1ae32a1SGerd Hoffmann } 1697f1ae32a1SGerd Hoffmann itd->transact[i] &= ~ITD_XACT_ACTIVE; 1698f1ae32a1SGerd Hoffmann } 1699f1ae32a1SGerd Hoffmann } 1700f1ae32a1SGerd Hoffmann return 0; 1701f1ae32a1SGerd Hoffmann } 1702f1ae32a1SGerd Hoffmann 1703cd665715SGerd Hoffmann 1704f1ae32a1SGerd Hoffmann /* This state is the entry point for asynchronous schedule 1705f1ae32a1SGerd Hoffmann * processing. Entry here consitutes a EHCI start event state (4.8.5) 1706f1ae32a1SGerd Hoffmann */ 1707f1ae32a1SGerd Hoffmann static int ehci_state_waitlisthead(EHCIState *ehci, int async) 1708f1ae32a1SGerd Hoffmann { 1709f1ae32a1SGerd Hoffmann EHCIqh qh; 1710f1ae32a1SGerd Hoffmann int i = 0; 1711f1ae32a1SGerd Hoffmann int again = 0; 1712f1ae32a1SGerd Hoffmann uint32_t entry = ehci->asynclistaddr; 1713f1ae32a1SGerd Hoffmann 1714f1ae32a1SGerd Hoffmann /* set reclamation flag at start event (4.8.6) */ 1715f1ae32a1SGerd Hoffmann if (async) { 1716f1ae32a1SGerd Hoffmann ehci_set_usbsts(ehci, USBSTS_REC); 1717f1ae32a1SGerd Hoffmann } 1718f1ae32a1SGerd Hoffmann 17198f5457ebSHans de Goede ehci_queues_rip_unused(ehci, async); 1720f1ae32a1SGerd Hoffmann 1721f1ae32a1SGerd Hoffmann /* Find the head of the list (4.9.1.1) */ 1722f1ae32a1SGerd Hoffmann for(i = 0; i < MAX_QH; i++) { 1723f1ae32a1SGerd Hoffmann get_dwords(ehci, NLPTR_GET(entry), (uint32_t *) &qh, 1724f1ae32a1SGerd Hoffmann sizeof(EHCIqh) >> 2); 1725f1ae32a1SGerd Hoffmann ehci_trace_qh(NULL, NLPTR_GET(entry), &qh); 1726f1ae32a1SGerd Hoffmann 1727f1ae32a1SGerd Hoffmann if (qh.epchar & QH_EPCHAR_H) { 1728f1ae32a1SGerd Hoffmann if (async) { 1729f1ae32a1SGerd Hoffmann entry |= (NLPTR_TYPE_QH << 1); 1730f1ae32a1SGerd Hoffmann } 1731f1ae32a1SGerd Hoffmann 1732f1ae32a1SGerd Hoffmann ehci_set_fetch_addr(ehci, async, entry); 1733f1ae32a1SGerd Hoffmann ehci_set_state(ehci, async, EST_FETCHENTRY); 1734f1ae32a1SGerd Hoffmann again = 1; 1735f1ae32a1SGerd Hoffmann goto out; 1736f1ae32a1SGerd Hoffmann } 1737f1ae32a1SGerd Hoffmann 1738f1ae32a1SGerd Hoffmann entry = qh.next; 1739f1ae32a1SGerd Hoffmann if (entry == ehci->asynclistaddr) { 1740f1ae32a1SGerd Hoffmann break; 1741f1ae32a1SGerd Hoffmann } 1742f1ae32a1SGerd Hoffmann } 1743f1ae32a1SGerd Hoffmann 1744f1ae32a1SGerd Hoffmann /* no head found for list. */ 1745f1ae32a1SGerd Hoffmann 1746f1ae32a1SGerd Hoffmann ehci_set_state(ehci, async, EST_ACTIVE); 1747f1ae32a1SGerd Hoffmann 1748f1ae32a1SGerd Hoffmann out: 1749f1ae32a1SGerd Hoffmann return again; 1750f1ae32a1SGerd Hoffmann } 1751f1ae32a1SGerd Hoffmann 1752f1ae32a1SGerd Hoffmann 1753f1ae32a1SGerd Hoffmann /* This state is the entry point for periodic schedule processing as 1754f1ae32a1SGerd Hoffmann * well as being a continuation state for async processing. 1755f1ae32a1SGerd Hoffmann */ 1756f1ae32a1SGerd Hoffmann static int ehci_state_fetchentry(EHCIState *ehci, int async) 1757f1ae32a1SGerd Hoffmann { 1758f1ae32a1SGerd Hoffmann int again = 0; 1759f1ae32a1SGerd Hoffmann uint32_t entry = ehci_get_fetch_addr(ehci, async); 1760f1ae32a1SGerd Hoffmann 1761f1ae32a1SGerd Hoffmann if (NLPTR_TBIT(entry)) { 1762f1ae32a1SGerd Hoffmann ehci_set_state(ehci, async, EST_ACTIVE); 1763f1ae32a1SGerd Hoffmann goto out; 1764f1ae32a1SGerd Hoffmann } 1765f1ae32a1SGerd Hoffmann 1766f1ae32a1SGerd Hoffmann /* section 4.8, only QH in async schedule */ 1767f1ae32a1SGerd Hoffmann if (async && (NLPTR_TYPE_GET(entry) != NLPTR_TYPE_QH)) { 1768f1ae32a1SGerd Hoffmann fprintf(stderr, "non queue head request in async schedule\n"); 1769f1ae32a1SGerd Hoffmann return -1; 1770f1ae32a1SGerd Hoffmann } 1771f1ae32a1SGerd Hoffmann 1772f1ae32a1SGerd Hoffmann switch (NLPTR_TYPE_GET(entry)) { 1773f1ae32a1SGerd Hoffmann case NLPTR_TYPE_QH: 1774f1ae32a1SGerd Hoffmann ehci_set_state(ehci, async, EST_FETCHQH); 1775f1ae32a1SGerd Hoffmann again = 1; 1776f1ae32a1SGerd Hoffmann break; 1777f1ae32a1SGerd Hoffmann 1778f1ae32a1SGerd Hoffmann case NLPTR_TYPE_ITD: 1779f1ae32a1SGerd Hoffmann ehci_set_state(ehci, async, EST_FETCHITD); 1780f1ae32a1SGerd Hoffmann again = 1; 1781f1ae32a1SGerd Hoffmann break; 1782f1ae32a1SGerd Hoffmann 1783f1ae32a1SGerd Hoffmann case NLPTR_TYPE_STITD: 1784f1ae32a1SGerd Hoffmann ehci_set_state(ehci, async, EST_FETCHSITD); 1785f1ae32a1SGerd Hoffmann again = 1; 1786f1ae32a1SGerd Hoffmann break; 1787f1ae32a1SGerd Hoffmann 1788f1ae32a1SGerd Hoffmann default: 1789f1ae32a1SGerd Hoffmann /* TODO: handle FSTN type */ 1790f1ae32a1SGerd Hoffmann fprintf(stderr, "FETCHENTRY: entry at %X is of type %d " 1791f1ae32a1SGerd Hoffmann "which is not supported yet\n", entry, NLPTR_TYPE_GET(entry)); 1792f1ae32a1SGerd Hoffmann return -1; 1793f1ae32a1SGerd Hoffmann } 1794f1ae32a1SGerd Hoffmann 1795f1ae32a1SGerd Hoffmann out: 1796f1ae32a1SGerd Hoffmann return again; 1797f1ae32a1SGerd Hoffmann } 1798f1ae32a1SGerd Hoffmann 1799f1ae32a1SGerd Hoffmann static EHCIQueue *ehci_state_fetchqh(EHCIState *ehci, int async) 1800f1ae32a1SGerd Hoffmann { 1801eb36a88eSGerd Hoffmann EHCIPacket *p; 1802dafe31fcSHans de Goede uint32_t entry, devaddr, endp; 1803f1ae32a1SGerd Hoffmann EHCIQueue *q; 1804dafe31fcSHans de Goede EHCIqh qh; 1805f1ae32a1SGerd Hoffmann 1806f1ae32a1SGerd Hoffmann entry = ehci_get_fetch_addr(ehci, async); 1807f1ae32a1SGerd Hoffmann q = ehci_find_queue_by_qh(ehci, entry, async); 1808f1ae32a1SGerd Hoffmann if (NULL == q) { 18098f6d5e26SGerd Hoffmann q = ehci_alloc_queue(ehci, entry, async); 1810f1ae32a1SGerd Hoffmann } 1811eb36a88eSGerd Hoffmann p = QTAILQ_FIRST(&q->packets); 1812f1ae32a1SGerd Hoffmann 18138f6d5e26SGerd Hoffmann q->seen++; 1814f1ae32a1SGerd Hoffmann if (q->seen > 1) { 1815f1ae32a1SGerd Hoffmann /* we are going in circles -- stop processing */ 1816f1ae32a1SGerd Hoffmann ehci_set_state(ehci, async, EST_ACTIVE); 1817f1ae32a1SGerd Hoffmann q = NULL; 1818f1ae32a1SGerd Hoffmann goto out; 1819f1ae32a1SGerd Hoffmann } 1820f1ae32a1SGerd Hoffmann 1821f1ae32a1SGerd Hoffmann get_dwords(ehci, NLPTR_GET(q->qhaddr), 1822dafe31fcSHans de Goede (uint32_t *) &qh, sizeof(EHCIqh) >> 2); 1823dafe31fcSHans de Goede ehci_trace_qh(q, NLPTR_GET(q->qhaddr), &qh); 1824f1ae32a1SGerd Hoffmann 1825dafe31fcSHans de Goede /* 1826dafe31fcSHans de Goede * The overlay area of the qh should never be changed by the guest, 1827dafe31fcSHans de Goede * except when idle, in which case the reset is a nop. 1828dafe31fcSHans de Goede */ 1829dafe31fcSHans de Goede devaddr = get_field(qh.epchar, QH_EPCHAR_DEVADDR); 1830dafe31fcSHans de Goede endp = get_field(qh.epchar, QH_EPCHAR_EP); 1831dafe31fcSHans de Goede if ((devaddr != get_field(q->qh.epchar, QH_EPCHAR_DEVADDR)) || 1832dafe31fcSHans de Goede (endp != get_field(q->qh.epchar, QH_EPCHAR_EP)) || 1833dafe31fcSHans de Goede (memcmp(&qh.current_qtd, &q->qh.current_qtd, 1834dafe31fcSHans de Goede 9 * sizeof(uint32_t)) != 0) || 1835dafe31fcSHans de Goede (q->dev != NULL && q->dev->addr != devaddr)) { 18365c514681SGerd Hoffmann if (ehci_reset_queue(q) > 0) { 18375c514681SGerd Hoffmann ehci_trace_guest_bug(ehci, "guest updated active QH"); 18385c514681SGerd Hoffmann } 1839dafe31fcSHans de Goede p = NULL; 1840e59928b3SGerd Hoffmann } 1841dafe31fcSHans de Goede q->qh = qh; 1842dafe31fcSHans de Goede 1843cae5d3f4SHans de Goede q->transact_ctr = get_field(q->qh.epcap, QH_EPCAP_MULT); 1844cae5d3f4SHans de Goede if (q->transact_ctr == 0) { /* Guest bug in some versions of windows */ 1845cae5d3f4SHans de Goede q->transact_ctr = 4; 1846cae5d3f4SHans de Goede } 1847cae5d3f4SHans de Goede 1848e59928b3SGerd Hoffmann if (q->dev == NULL) { 1849e59928b3SGerd Hoffmann q->dev = ehci_find_device(q->ehci, devaddr); 1850e59928b3SGerd Hoffmann } 1851e59928b3SGerd Hoffmann 1852eb36a88eSGerd Hoffmann if (p && p->async == EHCI_ASYNC_FINISHED) { 1853f1ae32a1SGerd Hoffmann /* I/O finished -- continue processing queue */ 1854773dc9cdSGerd Hoffmann trace_usb_ehci_packet_action(p->queue, p, "complete"); 1855f1ae32a1SGerd Hoffmann ehci_set_state(ehci, async, EST_EXECUTING); 1856f1ae32a1SGerd Hoffmann goto out; 1857f1ae32a1SGerd Hoffmann } 1858f1ae32a1SGerd Hoffmann 1859f1ae32a1SGerd Hoffmann if (async && (q->qh.epchar & QH_EPCHAR_H)) { 1860f1ae32a1SGerd Hoffmann 1861f1ae32a1SGerd Hoffmann /* EHCI spec version 1.0 Section 4.8.3 & 4.10.1 */ 1862f1ae32a1SGerd Hoffmann if (ehci->usbsts & USBSTS_REC) { 1863f1ae32a1SGerd Hoffmann ehci_clear_usbsts(ehci, USBSTS_REC); 1864f1ae32a1SGerd Hoffmann } else { 1865f1ae32a1SGerd Hoffmann DPRINTF("FETCHQH: QH 0x%08x. H-bit set, reclamation status reset" 1866f1ae32a1SGerd Hoffmann " - done processing\n", q->qhaddr); 1867f1ae32a1SGerd Hoffmann ehci_set_state(ehci, async, EST_ACTIVE); 1868f1ae32a1SGerd Hoffmann q = NULL; 1869f1ae32a1SGerd Hoffmann goto out; 1870f1ae32a1SGerd Hoffmann } 1871f1ae32a1SGerd Hoffmann } 1872f1ae32a1SGerd Hoffmann 1873f1ae32a1SGerd Hoffmann #if EHCI_DEBUG 1874f1ae32a1SGerd Hoffmann if (q->qhaddr != q->qh.next) { 1875f1ae32a1SGerd Hoffmann DPRINTF("FETCHQH: QH 0x%08x (h %x halt %x active %x) next 0x%08x\n", 1876f1ae32a1SGerd Hoffmann q->qhaddr, 1877f1ae32a1SGerd Hoffmann q->qh.epchar & QH_EPCHAR_H, 1878f1ae32a1SGerd Hoffmann q->qh.token & QTD_TOKEN_HALT, 1879f1ae32a1SGerd Hoffmann q->qh.token & QTD_TOKEN_ACTIVE, 1880f1ae32a1SGerd Hoffmann q->qh.next); 1881f1ae32a1SGerd Hoffmann } 1882f1ae32a1SGerd Hoffmann #endif 1883f1ae32a1SGerd Hoffmann 1884f1ae32a1SGerd Hoffmann if (q->qh.token & QTD_TOKEN_HALT) { 1885f1ae32a1SGerd Hoffmann ehci_set_state(ehci, async, EST_HORIZONTALQH); 1886f1ae32a1SGerd Hoffmann 1887f1ae32a1SGerd Hoffmann } else if ((q->qh.token & QTD_TOKEN_ACTIVE) && 1888f1ae32a1SGerd Hoffmann (NLPTR_TBIT(q->qh.current_qtd) == 0)) { 1889f1ae32a1SGerd Hoffmann q->qtdaddr = q->qh.current_qtd; 1890f1ae32a1SGerd Hoffmann ehci_set_state(ehci, async, EST_FETCHQTD); 1891f1ae32a1SGerd Hoffmann 1892f1ae32a1SGerd Hoffmann } else { 1893f1ae32a1SGerd Hoffmann /* EHCI spec version 1.0 Section 4.10.2 */ 1894f1ae32a1SGerd Hoffmann ehci_set_state(ehci, async, EST_ADVANCEQUEUE); 1895f1ae32a1SGerd Hoffmann } 1896f1ae32a1SGerd Hoffmann 1897f1ae32a1SGerd Hoffmann out: 1898f1ae32a1SGerd Hoffmann return q; 1899f1ae32a1SGerd Hoffmann } 1900f1ae32a1SGerd Hoffmann 1901f1ae32a1SGerd Hoffmann static int ehci_state_fetchitd(EHCIState *ehci, int async) 1902f1ae32a1SGerd Hoffmann { 1903f1ae32a1SGerd Hoffmann uint32_t entry; 1904f1ae32a1SGerd Hoffmann EHCIitd itd; 1905f1ae32a1SGerd Hoffmann 1906f1ae32a1SGerd Hoffmann assert(!async); 1907f1ae32a1SGerd Hoffmann entry = ehci_get_fetch_addr(ehci, async); 1908f1ae32a1SGerd Hoffmann 1909f1ae32a1SGerd Hoffmann get_dwords(ehci, NLPTR_GET(entry), (uint32_t *) &itd, 1910f1ae32a1SGerd Hoffmann sizeof(EHCIitd) >> 2); 1911f1ae32a1SGerd Hoffmann ehci_trace_itd(ehci, entry, &itd); 1912f1ae32a1SGerd Hoffmann 1913e983395dSGerd Hoffmann if (ehci_process_itd(ehci, &itd, entry) != 0) { 1914f1ae32a1SGerd Hoffmann return -1; 1915f1ae32a1SGerd Hoffmann } 1916f1ae32a1SGerd Hoffmann 1917f1ae32a1SGerd Hoffmann put_dwords(ehci, NLPTR_GET(entry), (uint32_t *) &itd, 1918f1ae32a1SGerd Hoffmann sizeof(EHCIitd) >> 2); 1919f1ae32a1SGerd Hoffmann ehci_set_fetch_addr(ehci, async, itd.next); 1920f1ae32a1SGerd Hoffmann ehci_set_state(ehci, async, EST_FETCHENTRY); 1921f1ae32a1SGerd Hoffmann 1922f1ae32a1SGerd Hoffmann return 1; 1923f1ae32a1SGerd Hoffmann } 1924f1ae32a1SGerd Hoffmann 1925f1ae32a1SGerd Hoffmann static int ehci_state_fetchsitd(EHCIState *ehci, int async) 1926f1ae32a1SGerd Hoffmann { 1927f1ae32a1SGerd Hoffmann uint32_t entry; 1928f1ae32a1SGerd Hoffmann EHCIsitd sitd; 1929f1ae32a1SGerd Hoffmann 1930f1ae32a1SGerd Hoffmann assert(!async); 1931f1ae32a1SGerd Hoffmann entry = ehci_get_fetch_addr(ehci, async); 1932f1ae32a1SGerd Hoffmann 1933f1ae32a1SGerd Hoffmann get_dwords(ehci, NLPTR_GET(entry), (uint32_t *)&sitd, 1934f1ae32a1SGerd Hoffmann sizeof(EHCIsitd) >> 2); 1935f1ae32a1SGerd Hoffmann ehci_trace_sitd(ehci, entry, &sitd); 1936f1ae32a1SGerd Hoffmann 1937f1ae32a1SGerd Hoffmann if (!(sitd.results & SITD_RESULTS_ACTIVE)) { 1938f1ae32a1SGerd Hoffmann /* siTD is not active, nothing to do */; 1939f1ae32a1SGerd Hoffmann } else { 1940f1ae32a1SGerd Hoffmann /* TODO: split transfers are not implemented */ 1941f1ae32a1SGerd Hoffmann fprintf(stderr, "WARNING: Skipping active siTD\n"); 1942f1ae32a1SGerd Hoffmann } 1943f1ae32a1SGerd Hoffmann 1944f1ae32a1SGerd Hoffmann ehci_set_fetch_addr(ehci, async, sitd.next); 1945f1ae32a1SGerd Hoffmann ehci_set_state(ehci, async, EST_FETCHENTRY); 1946f1ae32a1SGerd Hoffmann return 1; 1947f1ae32a1SGerd Hoffmann } 1948f1ae32a1SGerd Hoffmann 1949f1ae32a1SGerd Hoffmann /* Section 4.10.2 - paragraph 3 */ 1950ae0138a8SGerd Hoffmann static int ehci_state_advqueue(EHCIQueue *q) 1951f1ae32a1SGerd Hoffmann { 1952f1ae32a1SGerd Hoffmann #if 0 1953f1ae32a1SGerd Hoffmann /* TO-DO: 4.10.2 - paragraph 2 1954f1ae32a1SGerd Hoffmann * if I-bit is set to 1 and QH is not active 1955f1ae32a1SGerd Hoffmann * go to horizontal QH 1956f1ae32a1SGerd Hoffmann */ 1957f1ae32a1SGerd Hoffmann if (I-bit set) { 1958f1ae32a1SGerd Hoffmann ehci_set_state(ehci, async, EST_HORIZONTALQH); 1959f1ae32a1SGerd Hoffmann goto out; 1960f1ae32a1SGerd Hoffmann } 1961f1ae32a1SGerd Hoffmann #endif 1962f1ae32a1SGerd Hoffmann 1963f1ae32a1SGerd Hoffmann /* 1964f1ae32a1SGerd Hoffmann * want data and alt-next qTD is valid 1965f1ae32a1SGerd Hoffmann */ 1966f1ae32a1SGerd Hoffmann if (((q->qh.token & QTD_TOKEN_TBYTES_MASK) != 0) && 1967f1ae32a1SGerd Hoffmann (NLPTR_TBIT(q->qh.altnext_qtd) == 0)) { 1968f1ae32a1SGerd Hoffmann q->qtdaddr = q->qh.altnext_qtd; 1969ae0138a8SGerd Hoffmann ehci_set_state(q->ehci, q->async, EST_FETCHQTD); 1970f1ae32a1SGerd Hoffmann 1971f1ae32a1SGerd Hoffmann /* 1972f1ae32a1SGerd Hoffmann * next qTD is valid 1973f1ae32a1SGerd Hoffmann */ 1974f1ae32a1SGerd Hoffmann } else if (NLPTR_TBIT(q->qh.next_qtd) == 0) { 1975f1ae32a1SGerd Hoffmann q->qtdaddr = q->qh.next_qtd; 1976ae0138a8SGerd Hoffmann ehci_set_state(q->ehci, q->async, EST_FETCHQTD); 1977f1ae32a1SGerd Hoffmann 1978f1ae32a1SGerd Hoffmann /* 1979f1ae32a1SGerd Hoffmann * no valid qTD, try next QH 1980f1ae32a1SGerd Hoffmann */ 1981f1ae32a1SGerd Hoffmann } else { 1982ae0138a8SGerd Hoffmann ehci_set_state(q->ehci, q->async, EST_HORIZONTALQH); 1983f1ae32a1SGerd Hoffmann } 1984f1ae32a1SGerd Hoffmann 1985f1ae32a1SGerd Hoffmann return 1; 1986f1ae32a1SGerd Hoffmann } 1987f1ae32a1SGerd Hoffmann 1988f1ae32a1SGerd Hoffmann /* Section 4.10.2 - paragraph 4 */ 1989ae0138a8SGerd Hoffmann static int ehci_state_fetchqtd(EHCIQueue *q) 1990f1ae32a1SGerd Hoffmann { 1991eb36a88eSGerd Hoffmann EHCIqtd qtd; 1992eb36a88eSGerd Hoffmann EHCIPacket *p; 1993f1ae32a1SGerd Hoffmann int again = 0; 1994f1ae32a1SGerd Hoffmann 1995eb36a88eSGerd Hoffmann get_dwords(q->ehci, NLPTR_GET(q->qtdaddr), (uint32_t *) &qtd, 1996f1ae32a1SGerd Hoffmann sizeof(EHCIqtd) >> 2); 1997eb36a88eSGerd Hoffmann ehci_trace_qtd(q, NLPTR_GET(q->qtdaddr), &qtd); 1998f1ae32a1SGerd Hoffmann 1999773dc9cdSGerd Hoffmann p = QTAILQ_FIRST(&q->packets); 2000287fd3f1SGerd Hoffmann if (p != NULL) { 2001287fd3f1SGerd Hoffmann if (p->qtdaddr != q->qtdaddr || 2002287fd3f1SGerd Hoffmann (!NLPTR_TBIT(p->qtd.next) && (p->qtd.next != qtd.next)) || 2003287fd3f1SGerd Hoffmann (!NLPTR_TBIT(p->qtd.altnext) && (p->qtd.altnext != qtd.altnext)) || 2004287fd3f1SGerd Hoffmann p->qtd.bufptr[0] != qtd.bufptr[0]) { 2005287fd3f1SGerd Hoffmann ehci_cancel_queue(q); 20065c514681SGerd Hoffmann ehci_trace_guest_bug(q->ehci, "guest updated active QH or qTD"); 2007287fd3f1SGerd Hoffmann p = NULL; 2008287fd3f1SGerd Hoffmann } else { 2009287fd3f1SGerd Hoffmann p->qtd = qtd; 2010287fd3f1SGerd Hoffmann ehci_qh_do_overlay(q); 2011287fd3f1SGerd Hoffmann } 2012287fd3f1SGerd Hoffmann } 2013287fd3f1SGerd Hoffmann 2014287fd3f1SGerd Hoffmann if (!(qtd.token & QTD_TOKEN_ACTIVE)) { 2015287fd3f1SGerd Hoffmann if (p != NULL) { 2016287fd3f1SGerd Hoffmann /* transfer canceled by guest (clear active) */ 2017c7cdca3bSGerd Hoffmann ehci_cancel_queue(q); 2018c7cdca3bSGerd Hoffmann p = NULL; 2019773dc9cdSGerd Hoffmann } 2020287fd3f1SGerd Hoffmann ehci_set_state(q->ehci, q->async, EST_HORIZONTALQH); 2021287fd3f1SGerd Hoffmann again = 1; 2022287fd3f1SGerd Hoffmann } else if (p != NULL) { 2023adf47834SHans de Goede switch (p->async) { 2024adf47834SHans de Goede case EHCI_ASYNC_NONE: 2025ef5b2344SHans de Goede case EHCI_ASYNC_INITIALIZED: 2026cae5d3f4SHans de Goede /* Not yet executed (MULT), or previously nacked (int) packet */ 2027adf47834SHans de Goede ehci_set_state(q->ehci, q->async, EST_EXECUTE); 2028adf47834SHans de Goede break; 2029adf47834SHans de Goede case EHCI_ASYNC_INFLIGHT: 2030ef5b2344SHans de Goede /* Unfinished async handled packet, go horizontal */ 2031ae0138a8SGerd Hoffmann ehci_set_state(q->ehci, q->async, EST_HORIZONTALQH); 2032adf47834SHans de Goede break; 2033adf47834SHans de Goede case EHCI_ASYNC_FINISHED: 2034cf1f8169SHans de Goede /* 2035cf1f8169SHans de Goede * We get here when advqueue moves to a packet which is already 2036cf1f8169SHans de Goede * finished, which can happen with packets queued up by fill_queue 2037cf1f8169SHans de Goede */ 2038ae0138a8SGerd Hoffmann ehci_set_state(q->ehci, q->async, EST_EXECUTING); 2039adf47834SHans de Goede break; 2040773dc9cdSGerd Hoffmann } 2041773dc9cdSGerd Hoffmann again = 1; 2042287fd3f1SGerd Hoffmann } else { 2043eb36a88eSGerd Hoffmann p = ehci_alloc_packet(q); 2044eb36a88eSGerd Hoffmann p->qtdaddr = q->qtdaddr; 2045eb36a88eSGerd Hoffmann p->qtd = qtd; 2046ae0138a8SGerd Hoffmann ehci_set_state(q->ehci, q->async, EST_EXECUTE); 2047f1ae32a1SGerd Hoffmann again = 1; 2048f1ae32a1SGerd Hoffmann } 2049f1ae32a1SGerd Hoffmann 2050f1ae32a1SGerd Hoffmann return again; 2051f1ae32a1SGerd Hoffmann } 2052f1ae32a1SGerd Hoffmann 2053ae0138a8SGerd Hoffmann static int ehci_state_horizqh(EHCIQueue *q) 2054f1ae32a1SGerd Hoffmann { 2055f1ae32a1SGerd Hoffmann int again = 0; 2056f1ae32a1SGerd Hoffmann 2057ae0138a8SGerd Hoffmann if (ehci_get_fetch_addr(q->ehci, q->async) != q->qh.next) { 2058ae0138a8SGerd Hoffmann ehci_set_fetch_addr(q->ehci, q->async, q->qh.next); 2059ae0138a8SGerd Hoffmann ehci_set_state(q->ehci, q->async, EST_FETCHENTRY); 2060f1ae32a1SGerd Hoffmann again = 1; 2061f1ae32a1SGerd Hoffmann } else { 2062ae0138a8SGerd Hoffmann ehci_set_state(q->ehci, q->async, EST_ACTIVE); 2063f1ae32a1SGerd Hoffmann } 2064f1ae32a1SGerd Hoffmann 2065f1ae32a1SGerd Hoffmann return again; 2066f1ae32a1SGerd Hoffmann } 2067f1ae32a1SGerd Hoffmann 2068eff6dce7SHans de Goede static int ehci_fill_queue(EHCIPacket *p) 2069773dc9cdSGerd Hoffmann { 2070773dc9cdSGerd Hoffmann EHCIQueue *q = p->queue; 2071773dc9cdSGerd Hoffmann EHCIqtd qtd = p->qtd; 2072773dc9cdSGerd Hoffmann uint32_t qtdaddr; 2073773dc9cdSGerd Hoffmann 2074773dc9cdSGerd Hoffmann for (;;) { 2075773dc9cdSGerd Hoffmann if (NLPTR_TBIT(qtd.altnext) == 0) { 2076773dc9cdSGerd Hoffmann break; 2077773dc9cdSGerd Hoffmann } 2078773dc9cdSGerd Hoffmann if (NLPTR_TBIT(qtd.next) != 0) { 2079773dc9cdSGerd Hoffmann break; 2080773dc9cdSGerd Hoffmann } 2081773dc9cdSGerd Hoffmann qtdaddr = qtd.next; 2082773dc9cdSGerd Hoffmann get_dwords(q->ehci, NLPTR_GET(qtdaddr), 2083773dc9cdSGerd Hoffmann (uint32_t *) &qtd, sizeof(EHCIqtd) >> 2); 2084773dc9cdSGerd Hoffmann ehci_trace_qtd(q, NLPTR_GET(qtdaddr), &qtd); 2085773dc9cdSGerd Hoffmann if (!(qtd.token & QTD_TOKEN_ACTIVE)) { 2086773dc9cdSGerd Hoffmann break; 2087773dc9cdSGerd Hoffmann } 2088773dc9cdSGerd Hoffmann p = ehci_alloc_packet(q); 2089773dc9cdSGerd Hoffmann p->qtdaddr = qtdaddr; 2090773dc9cdSGerd Hoffmann p->qtd = qtd; 2091773dc9cdSGerd Hoffmann p->usb_status = ehci_execute(p, "queue"); 2092eff6dce7SHans de Goede if (p->usb_status == USB_RET_PROCERR) { 2093eff6dce7SHans de Goede break; 2094eff6dce7SHans de Goede } 2095df6839c7SAlejandro Martinez Ruiz assert(p->usb_status == USB_RET_ASYNC); 2096773dc9cdSGerd Hoffmann p->async = EHCI_ASYNC_INFLIGHT; 2097773dc9cdSGerd Hoffmann } 2098eff6dce7SHans de Goede return p->usb_status; 2099773dc9cdSGerd Hoffmann } 2100773dc9cdSGerd Hoffmann 2101ae0138a8SGerd Hoffmann static int ehci_state_execute(EHCIQueue *q) 2102f1ae32a1SGerd Hoffmann { 2103eb36a88eSGerd Hoffmann EHCIPacket *p = QTAILQ_FIRST(&q->packets); 2104f1ae32a1SGerd Hoffmann int again = 0; 2105f1ae32a1SGerd Hoffmann 2106eb36a88eSGerd Hoffmann assert(p != NULL); 2107eb36a88eSGerd Hoffmann assert(p->qtdaddr == q->qtdaddr); 2108eb36a88eSGerd Hoffmann 2109f1ae32a1SGerd Hoffmann if (ehci_qh_do_overlay(q) != 0) { 2110f1ae32a1SGerd Hoffmann return -1; 2111f1ae32a1SGerd Hoffmann } 2112f1ae32a1SGerd Hoffmann 2113f1ae32a1SGerd Hoffmann // TODO verify enough time remains in the uframe as in 4.4.1.1 2114f1ae32a1SGerd Hoffmann // TODO write back ptr to async list when done or out of time 2115f1ae32a1SGerd Hoffmann 2116cae5d3f4SHans de Goede /* 4.10.3, bottom of page 82, go horizontal on transaction counter == 0 */ 2117cae5d3f4SHans de Goede if (!q->async && q->transact_ctr == 0) { 2118ae0138a8SGerd Hoffmann ehci_set_state(q->ehci, q->async, EST_HORIZONTALQH); 2119f1ae32a1SGerd Hoffmann again = 1; 2120f1ae32a1SGerd Hoffmann goto out; 2121f1ae32a1SGerd Hoffmann } 2122f1ae32a1SGerd Hoffmann 2123ae0138a8SGerd Hoffmann if (q->async) { 2124f1ae32a1SGerd Hoffmann ehci_set_usbsts(q->ehci, USBSTS_REC); 2125f1ae32a1SGerd Hoffmann } 2126f1ae32a1SGerd Hoffmann 2127773dc9cdSGerd Hoffmann p->usb_status = ehci_execute(p, "process"); 2128eb36a88eSGerd Hoffmann if (p->usb_status == USB_RET_PROCERR) { 2129f1ae32a1SGerd Hoffmann again = -1; 2130f1ae32a1SGerd Hoffmann goto out; 2131f1ae32a1SGerd Hoffmann } 2132eb36a88eSGerd Hoffmann if (p->usb_status == USB_RET_ASYNC) { 2133f1ae32a1SGerd Hoffmann ehci_flush_qh(q); 2134773dc9cdSGerd Hoffmann trace_usb_ehci_packet_action(p->queue, p, "async"); 2135eb36a88eSGerd Hoffmann p->async = EHCI_ASYNC_INFLIGHT; 2136ae0138a8SGerd Hoffmann ehci_set_state(q->ehci, q->async, EST_HORIZONTALQH); 2137cae5d3f4SHans de Goede if (q->async) { 2138eff6dce7SHans de Goede again = (ehci_fill_queue(p) == USB_RET_PROCERR) ? -1 : 1; 2139cae5d3f4SHans de Goede } else { 2140cae5d3f4SHans de Goede again = 1; 2141cae5d3f4SHans de Goede } 2142f1ae32a1SGerd Hoffmann goto out; 2143f1ae32a1SGerd Hoffmann } 2144f1ae32a1SGerd Hoffmann 2145ae0138a8SGerd Hoffmann ehci_set_state(q->ehci, q->async, EST_EXECUTING); 2146f1ae32a1SGerd Hoffmann again = 1; 2147f1ae32a1SGerd Hoffmann 2148f1ae32a1SGerd Hoffmann out: 2149f1ae32a1SGerd Hoffmann return again; 2150f1ae32a1SGerd Hoffmann } 2151f1ae32a1SGerd Hoffmann 2152ae0138a8SGerd Hoffmann static int ehci_state_executing(EHCIQueue *q) 2153f1ae32a1SGerd Hoffmann { 2154eb36a88eSGerd Hoffmann EHCIPacket *p = QTAILQ_FIRST(&q->packets); 2155f1ae32a1SGerd Hoffmann 2156eb36a88eSGerd Hoffmann assert(p != NULL); 2157eb36a88eSGerd Hoffmann assert(p->qtdaddr == q->qtdaddr); 2158eb36a88eSGerd Hoffmann 2159f1ae32a1SGerd Hoffmann ehci_execute_complete(q); 2160f1ae32a1SGerd Hoffmann 2161cae5d3f4SHans de Goede /* 4.10.3 */ 2162cae5d3f4SHans de Goede if (!q->async && q->transact_ctr > 0) { 2163cae5d3f4SHans de Goede q->transact_ctr--; 2164f1ae32a1SGerd Hoffmann } 2165f1ae32a1SGerd Hoffmann 2166f1ae32a1SGerd Hoffmann /* 4.10.5 */ 2167eb36a88eSGerd Hoffmann if (p->usb_status == USB_RET_NAK) { 2168ae0138a8SGerd Hoffmann ehci_set_state(q->ehci, q->async, EST_HORIZONTALQH); 2169f1ae32a1SGerd Hoffmann } else { 2170ae0138a8SGerd Hoffmann ehci_set_state(q->ehci, q->async, EST_WRITEBACK); 2171f1ae32a1SGerd Hoffmann } 2172f1ae32a1SGerd Hoffmann 2173f1ae32a1SGerd Hoffmann ehci_flush_qh(q); 2174574ef171SHans de Goede return 1; 2175f1ae32a1SGerd Hoffmann } 2176f1ae32a1SGerd Hoffmann 2177f1ae32a1SGerd Hoffmann 2178ae0138a8SGerd Hoffmann static int ehci_state_writeback(EHCIQueue *q) 2179f1ae32a1SGerd Hoffmann { 2180eb36a88eSGerd Hoffmann EHCIPacket *p = QTAILQ_FIRST(&q->packets); 21814ed1c57aSGerd Hoffmann uint32_t *qtd, addr; 2182f1ae32a1SGerd Hoffmann int again = 0; 2183f1ae32a1SGerd Hoffmann 2184f1ae32a1SGerd Hoffmann /* Write back the QTD from the QH area */ 2185eb36a88eSGerd Hoffmann assert(p != NULL); 2186eb36a88eSGerd Hoffmann assert(p->qtdaddr == q->qtdaddr); 2187eb36a88eSGerd Hoffmann 2188eb36a88eSGerd Hoffmann ehci_trace_qtd(q, NLPTR_GET(p->qtdaddr), (EHCIqtd *) &q->qh.next_qtd); 21894ed1c57aSGerd Hoffmann qtd = (uint32_t *) &q->qh.next_qtd; 21904ed1c57aSGerd Hoffmann addr = NLPTR_GET(p->qtdaddr); 21914ed1c57aSGerd Hoffmann put_dwords(q->ehci, addr + 2 * sizeof(uint32_t), qtd + 2, 2); 2192eb36a88eSGerd Hoffmann ehci_free_packet(p); 2193f1ae32a1SGerd Hoffmann 2194f1ae32a1SGerd Hoffmann /* 2195f1ae32a1SGerd Hoffmann * EHCI specs say go horizontal here. 2196f1ae32a1SGerd Hoffmann * 2197f1ae32a1SGerd Hoffmann * We can also advance the queue here for performance reasons. We 2198f1ae32a1SGerd Hoffmann * need to take care to only take that shortcut in case we've 2199f1ae32a1SGerd Hoffmann * processed the qtd just written back without errors, i.e. halt 2200f1ae32a1SGerd Hoffmann * bit is clear. 2201f1ae32a1SGerd Hoffmann */ 2202f1ae32a1SGerd Hoffmann if (q->qh.token & QTD_TOKEN_HALT) { 22030132b4b6SHans de Goede /* 22040132b4b6SHans de Goede * We should not do any further processing on a halted queue! 22050132b4b6SHans de Goede * This is esp. important for bulk endpoints with pipelining enabled 22060132b4b6SHans de Goede * (redirection to a real USB device), where we must cancel all the 22070132b4b6SHans de Goede * transfers after this one so that: 22080132b4b6SHans de Goede * 1) If they've completed already, they are not processed further 22090132b4b6SHans de Goede * causing more stalls, originating from the same failed transfer 22100132b4b6SHans de Goede * 2) If still in flight, they are cancelled before the guest does 22110132b4b6SHans de Goede * a clear stall, otherwise the guest and device can loose sync! 22120132b4b6SHans de Goede */ 22130132b4b6SHans de Goede while ((p = QTAILQ_FIRST(&q->packets)) != NULL) { 22140132b4b6SHans de Goede ehci_free_packet(p); 22150132b4b6SHans de Goede } 2216ae0138a8SGerd Hoffmann ehci_set_state(q->ehci, q->async, EST_HORIZONTALQH); 2217f1ae32a1SGerd Hoffmann again = 1; 2218f1ae32a1SGerd Hoffmann } else { 2219ae0138a8SGerd Hoffmann ehci_set_state(q->ehci, q->async, EST_ADVANCEQUEUE); 2220f1ae32a1SGerd Hoffmann again = 1; 2221f1ae32a1SGerd Hoffmann } 2222f1ae32a1SGerd Hoffmann return again; 2223f1ae32a1SGerd Hoffmann } 2224f1ae32a1SGerd Hoffmann 2225f1ae32a1SGerd Hoffmann /* 2226f1ae32a1SGerd Hoffmann * This is the state machine that is common to both async and periodic 2227f1ae32a1SGerd Hoffmann */ 2228f1ae32a1SGerd Hoffmann 2229ae0138a8SGerd Hoffmann static void ehci_advance_state(EHCIState *ehci, int async) 2230f1ae32a1SGerd Hoffmann { 2231f1ae32a1SGerd Hoffmann EHCIQueue *q = NULL; 2232f1ae32a1SGerd Hoffmann int again; 2233f1ae32a1SGerd Hoffmann 2234f1ae32a1SGerd Hoffmann do { 2235f1ae32a1SGerd Hoffmann switch(ehci_get_state(ehci, async)) { 2236f1ae32a1SGerd Hoffmann case EST_WAITLISTHEAD: 2237f1ae32a1SGerd Hoffmann again = ehci_state_waitlisthead(ehci, async); 2238f1ae32a1SGerd Hoffmann break; 2239f1ae32a1SGerd Hoffmann 2240f1ae32a1SGerd Hoffmann case EST_FETCHENTRY: 2241f1ae32a1SGerd Hoffmann again = ehci_state_fetchentry(ehci, async); 2242f1ae32a1SGerd Hoffmann break; 2243f1ae32a1SGerd Hoffmann 2244f1ae32a1SGerd Hoffmann case EST_FETCHQH: 2245f1ae32a1SGerd Hoffmann q = ehci_state_fetchqh(ehci, async); 2246ae0138a8SGerd Hoffmann if (q != NULL) { 2247ae0138a8SGerd Hoffmann assert(q->async == async); 2248ae0138a8SGerd Hoffmann again = 1; 2249ae0138a8SGerd Hoffmann } else { 2250ae0138a8SGerd Hoffmann again = 0; 2251ae0138a8SGerd Hoffmann } 2252f1ae32a1SGerd Hoffmann break; 2253f1ae32a1SGerd Hoffmann 2254f1ae32a1SGerd Hoffmann case EST_FETCHITD: 2255f1ae32a1SGerd Hoffmann again = ehci_state_fetchitd(ehci, async); 2256f1ae32a1SGerd Hoffmann break; 2257f1ae32a1SGerd Hoffmann 2258f1ae32a1SGerd Hoffmann case EST_FETCHSITD: 2259f1ae32a1SGerd Hoffmann again = ehci_state_fetchsitd(ehci, async); 2260f1ae32a1SGerd Hoffmann break; 2261f1ae32a1SGerd Hoffmann 2262f1ae32a1SGerd Hoffmann case EST_ADVANCEQUEUE: 2263ae0138a8SGerd Hoffmann again = ehci_state_advqueue(q); 2264f1ae32a1SGerd Hoffmann break; 2265f1ae32a1SGerd Hoffmann 2266f1ae32a1SGerd Hoffmann case EST_FETCHQTD: 2267ae0138a8SGerd Hoffmann again = ehci_state_fetchqtd(q); 2268f1ae32a1SGerd Hoffmann break; 2269f1ae32a1SGerd Hoffmann 2270f1ae32a1SGerd Hoffmann case EST_HORIZONTALQH: 2271ae0138a8SGerd Hoffmann again = ehci_state_horizqh(q); 2272f1ae32a1SGerd Hoffmann break; 2273f1ae32a1SGerd Hoffmann 2274f1ae32a1SGerd Hoffmann case EST_EXECUTE: 2275ae0138a8SGerd Hoffmann again = ehci_state_execute(q); 22763a215326SGerd Hoffmann if (async) { 22773a215326SGerd Hoffmann ehci->async_stepdown = 0; 22783a215326SGerd Hoffmann } 2279f1ae32a1SGerd Hoffmann break; 2280f1ae32a1SGerd Hoffmann 2281f1ae32a1SGerd Hoffmann case EST_EXECUTING: 2282f1ae32a1SGerd Hoffmann assert(q != NULL); 22833a215326SGerd Hoffmann if (async) { 22843a215326SGerd Hoffmann ehci->async_stepdown = 0; 22853a215326SGerd Hoffmann } 2286ae0138a8SGerd Hoffmann again = ehci_state_executing(q); 2287f1ae32a1SGerd Hoffmann break; 2288f1ae32a1SGerd Hoffmann 2289f1ae32a1SGerd Hoffmann case EST_WRITEBACK: 2290f1ae32a1SGerd Hoffmann assert(q != NULL); 2291ae0138a8SGerd Hoffmann again = ehci_state_writeback(q); 2292f1ae32a1SGerd Hoffmann break; 2293f1ae32a1SGerd Hoffmann 2294f1ae32a1SGerd Hoffmann default: 2295f1ae32a1SGerd Hoffmann fprintf(stderr, "Bad state!\n"); 2296f1ae32a1SGerd Hoffmann again = -1; 2297f1ae32a1SGerd Hoffmann assert(0); 2298f1ae32a1SGerd Hoffmann break; 2299f1ae32a1SGerd Hoffmann } 2300f1ae32a1SGerd Hoffmann 2301f1ae32a1SGerd Hoffmann if (again < 0) { 2302f1ae32a1SGerd Hoffmann fprintf(stderr, "processing error - resetting ehci HC\n"); 2303f1ae32a1SGerd Hoffmann ehci_reset(ehci); 2304f1ae32a1SGerd Hoffmann again = 0; 2305f1ae32a1SGerd Hoffmann } 2306f1ae32a1SGerd Hoffmann } 2307f1ae32a1SGerd Hoffmann while (again); 2308f1ae32a1SGerd Hoffmann } 2309f1ae32a1SGerd Hoffmann 2310f1ae32a1SGerd Hoffmann static void ehci_advance_async_state(EHCIState *ehci) 2311f1ae32a1SGerd Hoffmann { 2312f1ae32a1SGerd Hoffmann const int async = 1; 2313f1ae32a1SGerd Hoffmann 2314f1ae32a1SGerd Hoffmann switch(ehci_get_state(ehci, async)) { 2315f1ae32a1SGerd Hoffmann case EST_INACTIVE: 2316ec807d12SGerd Hoffmann if (!ehci_async_enabled(ehci)) { 2317f1ae32a1SGerd Hoffmann break; 2318f1ae32a1SGerd Hoffmann } 2319f1ae32a1SGerd Hoffmann ehci_set_state(ehci, async, EST_ACTIVE); 2320f1ae32a1SGerd Hoffmann // No break, fall through to ACTIVE 2321f1ae32a1SGerd Hoffmann 2322f1ae32a1SGerd Hoffmann case EST_ACTIVE: 2323ec807d12SGerd Hoffmann if (!ehci_async_enabled(ehci)) { 2324f1ae32a1SGerd Hoffmann ehci_queues_rip_all(ehci, async); 2325f1ae32a1SGerd Hoffmann ehci_set_state(ehci, async, EST_INACTIVE); 2326f1ae32a1SGerd Hoffmann break; 2327f1ae32a1SGerd Hoffmann } 2328f1ae32a1SGerd Hoffmann 2329f1ae32a1SGerd Hoffmann /* make sure guest has acknowledged the doorbell interrupt */ 2330f1ae32a1SGerd Hoffmann /* TO-DO: is this really needed? */ 2331f1ae32a1SGerd Hoffmann if (ehci->usbsts & USBSTS_IAA) { 2332f1ae32a1SGerd Hoffmann DPRINTF("IAA status bit still set.\n"); 2333f1ae32a1SGerd Hoffmann break; 2334f1ae32a1SGerd Hoffmann } 2335f1ae32a1SGerd Hoffmann 2336f1ae32a1SGerd Hoffmann /* check that address register has been set */ 2337f1ae32a1SGerd Hoffmann if (ehci->asynclistaddr == 0) { 2338f1ae32a1SGerd Hoffmann break; 2339f1ae32a1SGerd Hoffmann } 2340f1ae32a1SGerd Hoffmann 2341f1ae32a1SGerd Hoffmann ehci_set_state(ehci, async, EST_WAITLISTHEAD); 2342f1ae32a1SGerd Hoffmann ehci_advance_state(ehci, async); 2343f1ae32a1SGerd Hoffmann 2344f1ae32a1SGerd Hoffmann /* If the doorbell is set, the guest wants to make a change to the 2345f1ae32a1SGerd Hoffmann * schedule. The host controller needs to release cached data. 2346f1ae32a1SGerd Hoffmann * (section 4.8.2) 2347f1ae32a1SGerd Hoffmann */ 2348f1ae32a1SGerd Hoffmann if (ehci->usbcmd & USBCMD_IAAD) { 2349f1ae32a1SGerd Hoffmann /* Remove all unseen qhs from the async qhs queue */ 23508f5457ebSHans de Goede ehci_queues_rip_unseen(ehci, async); 23511defcbd1SGerd Hoffmann trace_usb_ehci_doorbell_ack(); 2352f1ae32a1SGerd Hoffmann ehci->usbcmd &= ~USBCMD_IAAD; 23537efc17afSGerd Hoffmann ehci_raise_irq(ehci, USBSTS_IAA); 2354f1ae32a1SGerd Hoffmann } 2355f1ae32a1SGerd Hoffmann break; 2356f1ae32a1SGerd Hoffmann 2357f1ae32a1SGerd Hoffmann default: 2358f1ae32a1SGerd Hoffmann /* this should only be due to a developer mistake */ 2359f1ae32a1SGerd Hoffmann fprintf(stderr, "ehci: Bad asynchronous state %d. " 2360f1ae32a1SGerd Hoffmann "Resetting to active\n", ehci->astate); 2361f1ae32a1SGerd Hoffmann assert(0); 2362f1ae32a1SGerd Hoffmann } 2363f1ae32a1SGerd Hoffmann } 2364f1ae32a1SGerd Hoffmann 2365f1ae32a1SGerd Hoffmann static void ehci_advance_periodic_state(EHCIState *ehci) 2366f1ae32a1SGerd Hoffmann { 2367f1ae32a1SGerd Hoffmann uint32_t entry; 2368f1ae32a1SGerd Hoffmann uint32_t list; 2369f1ae32a1SGerd Hoffmann const int async = 0; 2370f1ae32a1SGerd Hoffmann 2371f1ae32a1SGerd Hoffmann // 4.6 2372f1ae32a1SGerd Hoffmann 2373f1ae32a1SGerd Hoffmann switch(ehci_get_state(ehci, async)) { 2374f1ae32a1SGerd Hoffmann case EST_INACTIVE: 2375ec807d12SGerd Hoffmann if (!(ehci->frindex & 7) && ehci_periodic_enabled(ehci)) { 2376f1ae32a1SGerd Hoffmann ehci_set_state(ehci, async, EST_ACTIVE); 2377f1ae32a1SGerd Hoffmann // No break, fall through to ACTIVE 2378f1ae32a1SGerd Hoffmann } else 2379f1ae32a1SGerd Hoffmann break; 2380f1ae32a1SGerd Hoffmann 2381f1ae32a1SGerd Hoffmann case EST_ACTIVE: 2382ec807d12SGerd Hoffmann if (!(ehci->frindex & 7) && !ehci_periodic_enabled(ehci)) { 2383f1ae32a1SGerd Hoffmann ehci_queues_rip_all(ehci, async); 2384f1ae32a1SGerd Hoffmann ehci_set_state(ehci, async, EST_INACTIVE); 2385f1ae32a1SGerd Hoffmann break; 2386f1ae32a1SGerd Hoffmann } 2387f1ae32a1SGerd Hoffmann 2388f1ae32a1SGerd Hoffmann list = ehci->periodiclistbase & 0xfffff000; 2389f1ae32a1SGerd Hoffmann /* check that register has been set */ 2390f1ae32a1SGerd Hoffmann if (list == 0) { 2391f1ae32a1SGerd Hoffmann break; 2392f1ae32a1SGerd Hoffmann } 2393f1ae32a1SGerd Hoffmann list |= ((ehci->frindex & 0x1ff8) >> 1); 2394f1ae32a1SGerd Hoffmann 2395f1ae32a1SGerd Hoffmann pci_dma_read(&ehci->dev, list, &entry, sizeof entry); 2396f1ae32a1SGerd Hoffmann entry = le32_to_cpu(entry); 2397f1ae32a1SGerd Hoffmann 2398f1ae32a1SGerd Hoffmann DPRINTF("PERIODIC state adv fr=%d. [%08X] -> %08X\n", 2399f1ae32a1SGerd Hoffmann ehci->frindex / 8, list, entry); 2400f1ae32a1SGerd Hoffmann ehci_set_fetch_addr(ehci, async,entry); 2401f1ae32a1SGerd Hoffmann ehci_set_state(ehci, async, EST_FETCHENTRY); 2402f1ae32a1SGerd Hoffmann ehci_advance_state(ehci, async); 24038f5457ebSHans de Goede ehci_queues_rip_unused(ehci, async); 2404f1ae32a1SGerd Hoffmann break; 2405f1ae32a1SGerd Hoffmann 2406f1ae32a1SGerd Hoffmann default: 2407f1ae32a1SGerd Hoffmann /* this should only be due to a developer mistake */ 2408f1ae32a1SGerd Hoffmann fprintf(stderr, "ehci: Bad periodic state %d. " 2409f1ae32a1SGerd Hoffmann "Resetting to active\n", ehci->pstate); 2410f1ae32a1SGerd Hoffmann assert(0); 2411f1ae32a1SGerd Hoffmann } 2412f1ae32a1SGerd Hoffmann } 2413f1ae32a1SGerd Hoffmann 24146ceced0bSGerd Hoffmann static void ehci_update_frindex(EHCIState *ehci, int frames) 24156ceced0bSGerd Hoffmann { 24166ceced0bSGerd Hoffmann int i; 24176ceced0bSGerd Hoffmann 24186ceced0bSGerd Hoffmann if (!ehci_enabled(ehci)) { 24196ceced0bSGerd Hoffmann return; 24206ceced0bSGerd Hoffmann } 24216ceced0bSGerd Hoffmann 24226ceced0bSGerd Hoffmann for (i = 0; i < frames; i++) { 24236ceced0bSGerd Hoffmann ehci->frindex += 8; 24246ceced0bSGerd Hoffmann 24256ceced0bSGerd Hoffmann if (ehci->frindex == 0x00002000) { 24267efc17afSGerd Hoffmann ehci_raise_irq(ehci, USBSTS_FLR); 24276ceced0bSGerd Hoffmann } 24286ceced0bSGerd Hoffmann 24296ceced0bSGerd Hoffmann if (ehci->frindex == 0x00004000) { 24307efc17afSGerd Hoffmann ehci_raise_irq(ehci, USBSTS_FLR); 24316ceced0bSGerd Hoffmann ehci->frindex = 0; 2432ffa1f2e0SHans de Goede if (ehci->usbsts_frindex >= 0x00004000) { 24337efc17afSGerd Hoffmann ehci->usbsts_frindex -= 0x00004000; 24347efc17afSGerd Hoffmann } else { 24357efc17afSGerd Hoffmann ehci->usbsts_frindex = 0; 24367efc17afSGerd Hoffmann } 24376ceced0bSGerd Hoffmann } 24386ceced0bSGerd Hoffmann } 24396ceced0bSGerd Hoffmann } 24406ceced0bSGerd Hoffmann 2441f1ae32a1SGerd Hoffmann static void ehci_frame_timer(void *opaque) 2442f1ae32a1SGerd Hoffmann { 2443f1ae32a1SGerd Hoffmann EHCIState *ehci = opaque; 24447efc17afSGerd Hoffmann int need_timer = 0; 2445f1ae32a1SGerd Hoffmann int64_t expire_time, t_now; 2446f1ae32a1SGerd Hoffmann uint64_t ns_elapsed; 2447f020ed36SGerd Hoffmann int frames, skipped_frames; 2448f1ae32a1SGerd Hoffmann int i; 2449f1ae32a1SGerd Hoffmann 2450f1ae32a1SGerd Hoffmann t_now = qemu_get_clock_ns(vm_clock); 2451f1ae32a1SGerd Hoffmann ns_elapsed = t_now - ehci->last_run_ns; 2452f1ae32a1SGerd Hoffmann frames = ns_elapsed / FRAME_TIMER_NS; 2453f1ae32a1SGerd Hoffmann 24543a215326SGerd Hoffmann if (ehci_periodic_enabled(ehci) || ehci->pstate != EST_INACTIVE) { 24557efc17afSGerd Hoffmann need_timer++; 2456afb7a0b8SGerd Hoffmann ehci->async_stepdown = 0; 24573a215326SGerd Hoffmann 2458f020ed36SGerd Hoffmann if (frames > ehci->maxframes) { 2459f020ed36SGerd Hoffmann skipped_frames = frames - ehci->maxframes; 2460f020ed36SGerd Hoffmann ehci_update_frindex(ehci, skipped_frames); 2461f020ed36SGerd Hoffmann ehci->last_run_ns += FRAME_TIMER_NS * skipped_frames; 2462f020ed36SGerd Hoffmann frames -= skipped_frames; 2463f020ed36SGerd Hoffmann DPRINTF("WARNING - EHCI skipped %d frames\n", skipped_frames); 2464f1ae32a1SGerd Hoffmann } 2465f1ae32a1SGerd Hoffmann 2466f020ed36SGerd Hoffmann for (i = 0; i < frames; i++) { 24678f74ed1eSHans de Goede /* 24688f74ed1eSHans de Goede * If we're running behind schedule, we should not catch up 24698f74ed1eSHans de Goede * too fast, as that will make some guests unhappy: 24708f74ed1eSHans de Goede * 1) We must process a minimum of MIN_FR_PER_TICK frames, 24718f74ed1eSHans de Goede * otherwise we will never catch up 24728f74ed1eSHans de Goede * 2) Process frames until the guest has requested an irq (IOC) 24738f74ed1eSHans de Goede */ 24748f74ed1eSHans de Goede if (i >= MIN_FR_PER_TICK) { 24758f74ed1eSHans de Goede ehci_commit_irq(ehci); 24768f74ed1eSHans de Goede if ((ehci->usbsts & USBINTR_MASK) & ehci->usbintr) { 24778f74ed1eSHans de Goede break; 24788f74ed1eSHans de Goede } 24798f74ed1eSHans de Goede } 2480f020ed36SGerd Hoffmann ehci_update_frindex(ehci, 1); 2481f020ed36SGerd Hoffmann ehci_advance_periodic_state(ehci); 2482f1ae32a1SGerd Hoffmann ehci->last_run_ns += FRAME_TIMER_NS; 2483f1ae32a1SGerd Hoffmann } 24843a215326SGerd Hoffmann } else { 24853a215326SGerd Hoffmann if (ehci->async_stepdown < ehci->maxframes / 2) { 24863a215326SGerd Hoffmann ehci->async_stepdown++; 24873a215326SGerd Hoffmann } 24883a215326SGerd Hoffmann ehci_update_frindex(ehci, frames); 24893a215326SGerd Hoffmann ehci->last_run_ns += FRAME_TIMER_NS * frames; 24903a215326SGerd Hoffmann } 2491f1ae32a1SGerd Hoffmann 2492f1ae32a1SGerd Hoffmann /* Async is not inside loop since it executes everything it can once 2493f1ae32a1SGerd Hoffmann * called 2494f1ae32a1SGerd Hoffmann */ 24953a215326SGerd Hoffmann if (ehci_async_enabled(ehci) || ehci->astate != EST_INACTIVE) { 24967efc17afSGerd Hoffmann need_timer++; 2497afb7a0b8SGerd Hoffmann ehci_advance_async_state(ehci); 24983a215326SGerd Hoffmann } 2499f1ae32a1SGerd Hoffmann 25007efc17afSGerd Hoffmann ehci_commit_irq(ehci); 25017efc17afSGerd Hoffmann if (ehci->usbsts_pending) { 25027efc17afSGerd Hoffmann need_timer++; 25037efc17afSGerd Hoffmann ehci->async_stepdown = 0; 2504f1ae32a1SGerd Hoffmann } 2505f0ad01f9SGerd Hoffmann 25067efc17afSGerd Hoffmann if (need_timer) { 2507afb7a0b8SGerd Hoffmann expire_time = t_now + (get_ticks_per_sec() 2508afb7a0b8SGerd Hoffmann * (ehci->async_stepdown+1) / FRAME_TIMER_FREQ); 25097efc17afSGerd Hoffmann qemu_mod_timer(ehci->frame_timer, expire_time); 25107efc17afSGerd Hoffmann } 2511daf25307SGerd Hoffmann } 2512f1ae32a1SGerd Hoffmann 25133e4f910cSGerd Hoffmann static const MemoryRegionOps ehci_mmio_caps_ops = { 25143e4f910cSGerd Hoffmann .read = ehci_caps_read, 25153e4f910cSGerd Hoffmann .valid.min_access_size = 1, 25163e4f910cSGerd Hoffmann .valid.max_access_size = 4, 25173e4f910cSGerd Hoffmann .impl.min_access_size = 1, 25183e4f910cSGerd Hoffmann .impl.max_access_size = 1, 25193e4f910cSGerd Hoffmann .endianness = DEVICE_LITTLE_ENDIAN, 25203e4f910cSGerd Hoffmann }; 25213e4f910cSGerd Hoffmann 25223e4f910cSGerd Hoffmann static const MemoryRegionOps ehci_mmio_opreg_ops = { 25233e4f910cSGerd Hoffmann .read = ehci_opreg_read, 25243e4f910cSGerd Hoffmann .write = ehci_opreg_write, 25253e4f910cSGerd Hoffmann .valid.min_access_size = 4, 25263e4f910cSGerd Hoffmann .valid.max_access_size = 4, 25273e4f910cSGerd Hoffmann .endianness = DEVICE_LITTLE_ENDIAN, 25283e4f910cSGerd Hoffmann }; 25293e4f910cSGerd Hoffmann 25303e4f910cSGerd Hoffmann static const MemoryRegionOps ehci_mmio_port_ops = { 25313e4f910cSGerd Hoffmann .read = ehci_port_read, 25323e4f910cSGerd Hoffmann .write = ehci_port_write, 25333e4f910cSGerd Hoffmann .valid.min_access_size = 4, 25343e4f910cSGerd Hoffmann .valid.max_access_size = 4, 2535f1ae32a1SGerd Hoffmann .endianness = DEVICE_LITTLE_ENDIAN, 2536f1ae32a1SGerd Hoffmann }; 2537f1ae32a1SGerd Hoffmann 2538f1ae32a1SGerd Hoffmann static int usb_ehci_initfn(PCIDevice *dev); 2539f1ae32a1SGerd Hoffmann 2540f1ae32a1SGerd Hoffmann static USBPortOps ehci_port_ops = { 2541f1ae32a1SGerd Hoffmann .attach = ehci_attach, 2542f1ae32a1SGerd Hoffmann .detach = ehci_detach, 2543f1ae32a1SGerd Hoffmann .child_detach = ehci_child_detach, 2544f1ae32a1SGerd Hoffmann .wakeup = ehci_wakeup, 2545f1ae32a1SGerd Hoffmann .complete = ehci_async_complete_packet, 2546f1ae32a1SGerd Hoffmann }; 2547f1ae32a1SGerd Hoffmann 2548f1ae32a1SGerd Hoffmann static USBBusOps ehci_bus_ops = { 2549f1ae32a1SGerd Hoffmann .register_companion = ehci_register_companion, 2550f1ae32a1SGerd Hoffmann }; 2551f1ae32a1SGerd Hoffmann 25529a773408SGerd Hoffmann static int usb_ehci_post_load(void *opaque, int version_id) 25539a773408SGerd Hoffmann { 25549a773408SGerd Hoffmann EHCIState *s = opaque; 25559a773408SGerd Hoffmann int i; 25569a773408SGerd Hoffmann 25579a773408SGerd Hoffmann for (i = 0; i < NB_PORTS; i++) { 25589a773408SGerd Hoffmann USBPort *companion = s->companion_ports[i]; 25599a773408SGerd Hoffmann if (companion == NULL) { 25609a773408SGerd Hoffmann continue; 25619a773408SGerd Hoffmann } 25629a773408SGerd Hoffmann if (s->portsc[i] & PORTSC_POWNER) { 25639a773408SGerd Hoffmann companion->dev = s->ports[i].dev; 25649a773408SGerd Hoffmann } else { 25659a773408SGerd Hoffmann companion->dev = NULL; 25669a773408SGerd Hoffmann } 25679a773408SGerd Hoffmann } 25689a773408SGerd Hoffmann 25699a773408SGerd Hoffmann return 0; 25709a773408SGerd Hoffmann } 25719a773408SGerd Hoffmann 2572ceab6f96SHans de Goede static void usb_ehci_vm_state_change(void *opaque, int running, RunState state) 2573ceab6f96SHans de Goede { 2574ceab6f96SHans de Goede EHCIState *ehci = opaque; 2575ceab6f96SHans de Goede 2576ceab6f96SHans de Goede /* 2577ceab6f96SHans de Goede * We don't migrate the EHCIQueue-s, instead we rebuild them for the 2578ceab6f96SHans de Goede * schedule in guest memory. We must do the rebuilt ASAP, so that 2579ceab6f96SHans de Goede * USB-devices which have async handled packages have a packet in the 2580ceab6f96SHans de Goede * ep queue to match the completion with. 2581ceab6f96SHans de Goede */ 2582ceab6f96SHans de Goede if (state == RUN_STATE_RUNNING) { 2583ceab6f96SHans de Goede ehci_advance_async_state(ehci); 2584ceab6f96SHans de Goede } 2585ceab6f96SHans de Goede 2586ceab6f96SHans de Goede /* 2587ceab6f96SHans de Goede * The schedule rebuilt from guest memory could cause the migration dest 2588ceab6f96SHans de Goede * to miss a QH unlink, and fail to cancel packets, since the unlinked QH 2589ceab6f96SHans de Goede * will never have existed on the destination. Therefor we must flush the 2590ceab6f96SHans de Goede * async schedule on savevm to catch any not yet noticed unlinks. 2591ceab6f96SHans de Goede */ 2592ceab6f96SHans de Goede if (state == RUN_STATE_SAVE_VM) { 2593ceab6f96SHans de Goede ehci_advance_async_state(ehci); 2594ceab6f96SHans de Goede ehci_queues_rip_unseen(ehci, 1); 2595ceab6f96SHans de Goede } 2596ceab6f96SHans de Goede } 2597ceab6f96SHans de Goede 2598f1ae32a1SGerd Hoffmann static const VMStateDescription vmstate_ehci = { 2599f1ae32a1SGerd Hoffmann .name = "ehci", 26006d3b6d3dSGerd Hoffmann .version_id = 2, 26016d3b6d3dSGerd Hoffmann .minimum_version_id = 1, 26029a773408SGerd Hoffmann .post_load = usb_ehci_post_load, 26039a773408SGerd Hoffmann .fields = (VMStateField[]) { 26049a773408SGerd Hoffmann VMSTATE_PCI_DEVICE(dev, EHCIState), 26059a773408SGerd Hoffmann /* mmio registers */ 26069a773408SGerd Hoffmann VMSTATE_UINT32(usbcmd, EHCIState), 26079a773408SGerd Hoffmann VMSTATE_UINT32(usbsts, EHCIState), 26086d3b6d3dSGerd Hoffmann VMSTATE_UINT32_V(usbsts_pending, EHCIState, 2), 26096d3b6d3dSGerd Hoffmann VMSTATE_UINT32_V(usbsts_frindex, EHCIState, 2), 26109a773408SGerd Hoffmann VMSTATE_UINT32(usbintr, EHCIState), 26119a773408SGerd Hoffmann VMSTATE_UINT32(frindex, EHCIState), 26129a773408SGerd Hoffmann VMSTATE_UINT32(ctrldssegment, EHCIState), 26139a773408SGerd Hoffmann VMSTATE_UINT32(periodiclistbase, EHCIState), 26149a773408SGerd Hoffmann VMSTATE_UINT32(asynclistaddr, EHCIState), 26159a773408SGerd Hoffmann VMSTATE_UINT32(configflag, EHCIState), 26169a773408SGerd Hoffmann VMSTATE_UINT32(portsc[0], EHCIState), 26179a773408SGerd Hoffmann VMSTATE_UINT32(portsc[1], EHCIState), 26189a773408SGerd Hoffmann VMSTATE_UINT32(portsc[2], EHCIState), 26199a773408SGerd Hoffmann VMSTATE_UINT32(portsc[3], EHCIState), 26209a773408SGerd Hoffmann VMSTATE_UINT32(portsc[4], EHCIState), 26219a773408SGerd Hoffmann VMSTATE_UINT32(portsc[5], EHCIState), 26229a773408SGerd Hoffmann /* frame timer */ 26239a773408SGerd Hoffmann VMSTATE_TIMER(frame_timer, EHCIState), 26249a773408SGerd Hoffmann VMSTATE_UINT64(last_run_ns, EHCIState), 26259a773408SGerd Hoffmann VMSTATE_UINT32(async_stepdown, EHCIState), 26269a773408SGerd Hoffmann /* schedule state */ 26279a773408SGerd Hoffmann VMSTATE_UINT32(astate, EHCIState), 26289a773408SGerd Hoffmann VMSTATE_UINT32(pstate, EHCIState), 26299a773408SGerd Hoffmann VMSTATE_UINT32(a_fetch_addr, EHCIState), 26309a773408SGerd Hoffmann VMSTATE_UINT32(p_fetch_addr, EHCIState), 26319a773408SGerd Hoffmann VMSTATE_END_OF_LIST() 26329a773408SGerd Hoffmann } 2633f1ae32a1SGerd Hoffmann }; 2634f1ae32a1SGerd Hoffmann 2635f1ae32a1SGerd Hoffmann static Property ehci_properties[] = { 2636f1ae32a1SGerd Hoffmann DEFINE_PROP_UINT32("maxframes", EHCIState, maxframes, 128), 2637f1ae32a1SGerd Hoffmann DEFINE_PROP_END_OF_LIST(), 2638f1ae32a1SGerd Hoffmann }; 2639f1ae32a1SGerd Hoffmann 2640f1ae32a1SGerd Hoffmann static void ehci_class_init(ObjectClass *klass, void *data) 2641f1ae32a1SGerd Hoffmann { 2642f1ae32a1SGerd Hoffmann DeviceClass *dc = DEVICE_CLASS(klass); 2643f1ae32a1SGerd Hoffmann PCIDeviceClass *k = PCI_DEVICE_CLASS(klass); 2644f1ae32a1SGerd Hoffmann 2645f1ae32a1SGerd Hoffmann k->init = usb_ehci_initfn; 2646f1ae32a1SGerd Hoffmann k->vendor_id = PCI_VENDOR_ID_INTEL; 2647f1ae32a1SGerd Hoffmann k->device_id = PCI_DEVICE_ID_INTEL_82801D; /* ich4 */ 2648f1ae32a1SGerd Hoffmann k->revision = 0x10; 2649f1ae32a1SGerd Hoffmann k->class_id = PCI_CLASS_SERIAL_USB; 2650f1ae32a1SGerd Hoffmann dc->vmsd = &vmstate_ehci; 2651f1ae32a1SGerd Hoffmann dc->props = ehci_properties; 2652f1ae32a1SGerd Hoffmann } 2653f1ae32a1SGerd Hoffmann 2654f1ae32a1SGerd Hoffmann static TypeInfo ehci_info = { 2655f1ae32a1SGerd Hoffmann .name = "usb-ehci", 2656f1ae32a1SGerd Hoffmann .parent = TYPE_PCI_DEVICE, 2657f1ae32a1SGerd Hoffmann .instance_size = sizeof(EHCIState), 2658f1ae32a1SGerd Hoffmann .class_init = ehci_class_init, 2659f1ae32a1SGerd Hoffmann }; 2660f1ae32a1SGerd Hoffmann 2661f1ae32a1SGerd Hoffmann static void ich9_ehci_class_init(ObjectClass *klass, void *data) 2662f1ae32a1SGerd Hoffmann { 2663f1ae32a1SGerd Hoffmann DeviceClass *dc = DEVICE_CLASS(klass); 2664f1ae32a1SGerd Hoffmann PCIDeviceClass *k = PCI_DEVICE_CLASS(klass); 2665f1ae32a1SGerd Hoffmann 2666f1ae32a1SGerd Hoffmann k->init = usb_ehci_initfn; 2667f1ae32a1SGerd Hoffmann k->vendor_id = PCI_VENDOR_ID_INTEL; 2668f1ae32a1SGerd Hoffmann k->device_id = PCI_DEVICE_ID_INTEL_82801I_EHCI1; 2669f1ae32a1SGerd Hoffmann k->revision = 0x03; 2670f1ae32a1SGerd Hoffmann k->class_id = PCI_CLASS_SERIAL_USB; 2671f1ae32a1SGerd Hoffmann dc->vmsd = &vmstate_ehci; 2672f1ae32a1SGerd Hoffmann dc->props = ehci_properties; 2673f1ae32a1SGerd Hoffmann } 2674f1ae32a1SGerd Hoffmann 2675f1ae32a1SGerd Hoffmann static TypeInfo ich9_ehci_info = { 2676f1ae32a1SGerd Hoffmann .name = "ich9-usb-ehci1", 2677f1ae32a1SGerd Hoffmann .parent = TYPE_PCI_DEVICE, 2678f1ae32a1SGerd Hoffmann .instance_size = sizeof(EHCIState), 2679f1ae32a1SGerd Hoffmann .class_init = ich9_ehci_class_init, 2680f1ae32a1SGerd Hoffmann }; 2681f1ae32a1SGerd Hoffmann 2682f1ae32a1SGerd Hoffmann static int usb_ehci_initfn(PCIDevice *dev) 2683f1ae32a1SGerd Hoffmann { 2684f1ae32a1SGerd Hoffmann EHCIState *s = DO_UPCAST(EHCIState, dev, dev); 2685f1ae32a1SGerd Hoffmann uint8_t *pci_conf = s->dev.config; 2686f1ae32a1SGerd Hoffmann int i; 2687f1ae32a1SGerd Hoffmann 2688f1ae32a1SGerd Hoffmann pci_set_byte(&pci_conf[PCI_CLASS_PROG], 0x20); 2689f1ae32a1SGerd Hoffmann 2690f1ae32a1SGerd Hoffmann /* capabilities pointer */ 2691f1ae32a1SGerd Hoffmann pci_set_byte(&pci_conf[PCI_CAPABILITY_LIST], 0x00); 2692f1ae32a1SGerd Hoffmann //pci_set_byte(&pci_conf[PCI_CAPABILITY_LIST], 0x50); 2693f1ae32a1SGerd Hoffmann 2694f1ae32a1SGerd Hoffmann pci_set_byte(&pci_conf[PCI_INTERRUPT_PIN], 4); /* interrupt pin D */ 2695f1ae32a1SGerd Hoffmann pci_set_byte(&pci_conf[PCI_MIN_GNT], 0); 2696f1ae32a1SGerd Hoffmann pci_set_byte(&pci_conf[PCI_MAX_LAT], 0); 2697f1ae32a1SGerd Hoffmann 2698f1ae32a1SGerd Hoffmann // pci_conf[0x50] = 0x01; // power management caps 2699f1ae32a1SGerd Hoffmann 2700f1ae32a1SGerd Hoffmann pci_set_byte(&pci_conf[USB_SBRN], USB_RELEASE_2); // release number (2.1.4) 2701f1ae32a1SGerd Hoffmann pci_set_byte(&pci_conf[0x61], 0x20); // frame length adjustment (2.1.5) 2702f1ae32a1SGerd Hoffmann pci_set_word(&pci_conf[0x62], 0x00); // port wake up capability (2.1.6) 2703f1ae32a1SGerd Hoffmann 2704f1ae32a1SGerd Hoffmann pci_conf[0x64] = 0x00; 2705f1ae32a1SGerd Hoffmann pci_conf[0x65] = 0x00; 2706f1ae32a1SGerd Hoffmann pci_conf[0x66] = 0x00; 2707f1ae32a1SGerd Hoffmann pci_conf[0x67] = 0x00; 2708f1ae32a1SGerd Hoffmann pci_conf[0x68] = 0x01; 2709f1ae32a1SGerd Hoffmann pci_conf[0x69] = 0x00; 2710f1ae32a1SGerd Hoffmann pci_conf[0x6a] = 0x00; 2711f1ae32a1SGerd Hoffmann pci_conf[0x6b] = 0x00; // USBLEGSUP 2712f1ae32a1SGerd Hoffmann pci_conf[0x6c] = 0x00; 2713f1ae32a1SGerd Hoffmann pci_conf[0x6d] = 0x00; 2714f1ae32a1SGerd Hoffmann pci_conf[0x6e] = 0x00; 2715f1ae32a1SGerd Hoffmann pci_conf[0x6f] = 0xc0; // USBLEFCTLSTS 2716f1ae32a1SGerd Hoffmann 27173e4f910cSGerd Hoffmann /* 2.2 host controller interface version */ 27183e4f910cSGerd Hoffmann s->caps[0x00] = (uint8_t) OPREGBASE; 27193e4f910cSGerd Hoffmann s->caps[0x01] = 0x00; 27203e4f910cSGerd Hoffmann s->caps[0x02] = 0x00; 27213e4f910cSGerd Hoffmann s->caps[0x03] = 0x01; /* HC version */ 27223e4f910cSGerd Hoffmann s->caps[0x04] = NB_PORTS; /* Number of downstream ports */ 27233e4f910cSGerd Hoffmann s->caps[0x05] = 0x00; /* No companion ports at present */ 27243e4f910cSGerd Hoffmann s->caps[0x06] = 0x00; 27253e4f910cSGerd Hoffmann s->caps[0x07] = 0x00; 27263e4f910cSGerd Hoffmann s->caps[0x08] = 0x80; /* We can cache whole frame, no 64-bit */ 27273e4f910cSGerd Hoffmann s->caps[0x09] = 0x68; /* EECP */ 27283e4f910cSGerd Hoffmann s->caps[0x0a] = 0x00; 27293e4f910cSGerd Hoffmann s->caps[0x0b] = 0x00; 2730f1ae32a1SGerd Hoffmann 2731f1ae32a1SGerd Hoffmann s->irq = s->dev.irq[3]; 2732f1ae32a1SGerd Hoffmann 2733f1ae32a1SGerd Hoffmann usb_bus_new(&s->bus, &ehci_bus_ops, &s->dev.qdev); 2734f1ae32a1SGerd Hoffmann for(i = 0; i < NB_PORTS; i++) { 2735f1ae32a1SGerd Hoffmann usb_register_port(&s->bus, &s->ports[i], s, i, &ehci_port_ops, 2736f1ae32a1SGerd Hoffmann USB_SPEED_MASK_HIGH); 2737f1ae32a1SGerd Hoffmann s->ports[i].dev = 0; 2738f1ae32a1SGerd Hoffmann } 2739f1ae32a1SGerd Hoffmann 2740f1ae32a1SGerd Hoffmann s->frame_timer = qemu_new_timer_ns(vm_clock, ehci_frame_timer, s); 2741*0262f65aSHans de Goede s->async_bh = qemu_bh_new(ehci_frame_timer, s); 2742f1ae32a1SGerd Hoffmann QTAILQ_INIT(&s->aqueues); 2743f1ae32a1SGerd Hoffmann QTAILQ_INIT(&s->pqueues); 27447341ea07SHans de Goede usb_packet_init(&s->ipacket); 2745f1ae32a1SGerd Hoffmann 2746f1ae32a1SGerd Hoffmann qemu_register_reset(ehci_reset, s); 2747ceab6f96SHans de Goede qemu_add_vm_change_state_handler(usb_ehci_vm_state_change, s); 2748f1ae32a1SGerd Hoffmann 27493e4f910cSGerd Hoffmann memory_region_init(&s->mem, "ehci", MMIO_SIZE); 27503e4f910cSGerd Hoffmann memory_region_init_io(&s->mem_caps, &ehci_mmio_caps_ops, s, 27513e4f910cSGerd Hoffmann "capabilities", OPREGBASE); 27523e4f910cSGerd Hoffmann memory_region_init_io(&s->mem_opreg, &ehci_mmio_opreg_ops, s, 27533e4f910cSGerd Hoffmann "operational", PORTSC_BEGIN - OPREGBASE); 27543e4f910cSGerd Hoffmann memory_region_init_io(&s->mem_ports, &ehci_mmio_port_ops, s, 27553e4f910cSGerd Hoffmann "ports", PORTSC_END - PORTSC_BEGIN); 27563e4f910cSGerd Hoffmann 27573e4f910cSGerd Hoffmann memory_region_add_subregion(&s->mem, 0, &s->mem_caps); 27583e4f910cSGerd Hoffmann memory_region_add_subregion(&s->mem, OPREGBASE, &s->mem_opreg); 27593e4f910cSGerd Hoffmann memory_region_add_subregion(&s->mem, PORTSC_BEGIN, &s->mem_ports); 27603e4f910cSGerd Hoffmann 2761f1ae32a1SGerd Hoffmann pci_register_bar(&s->dev, 0, PCI_BASE_ADDRESS_SPACE_MEMORY, &s->mem); 2762f1ae32a1SGerd Hoffmann 2763f1ae32a1SGerd Hoffmann return 0; 2764f1ae32a1SGerd Hoffmann } 2765f1ae32a1SGerd Hoffmann 2766f1ae32a1SGerd Hoffmann static void ehci_register_types(void) 2767f1ae32a1SGerd Hoffmann { 2768f1ae32a1SGerd Hoffmann type_register_static(&ehci_info); 2769f1ae32a1SGerd Hoffmann type_register_static(&ich9_ehci_info); 2770f1ae32a1SGerd Hoffmann } 2771f1ae32a1SGerd Hoffmann 2772f1ae32a1SGerd Hoffmann type_init(ehci_register_types) 2773f1ae32a1SGerd Hoffmann 2774f1ae32a1SGerd Hoffmann /* 2775f1ae32a1SGerd Hoffmann * vim: expandtab ts=4 2776f1ae32a1SGerd Hoffmann */ 2777