10f58f68bSGerd Hoffmann /* 20f58f68bSGerd Hoffmann * UAS (USB Attached SCSI) emulation 30f58f68bSGerd Hoffmann * 40f58f68bSGerd Hoffmann * Copyright Red Hat, Inc. 2012 50f58f68bSGerd Hoffmann * 60f58f68bSGerd Hoffmann * Author: Gerd Hoffmann <kraxel@redhat.com> 70f58f68bSGerd Hoffmann * 80f58f68bSGerd Hoffmann * This work is licensed under the terms of the GNU GPL, version 2 or later. 90f58f68bSGerd Hoffmann * See the COPYING file in the top-level directory. 100f58f68bSGerd Hoffmann */ 110f58f68bSGerd Hoffmann 12e532b2e0SPeter Maydell #include "qemu/osdep.h" 130f58f68bSGerd Hoffmann #include "qemu-common.h" 141de7afc9SPaolo Bonzini #include "qemu/option.h" 151de7afc9SPaolo Bonzini #include "qemu/config-file.h" 160f58f68bSGerd Hoffmann #include "trace.h" 176b7afb7fSGonglei #include "qemu/error-report.h" 180f58f68bSGerd Hoffmann 190f58f68bSGerd Hoffmann #include "hw/usb.h" 20*463581a8SMichael S. Tsirkin #include "desc.h" 210d09e41aSPaolo Bonzini #include "hw/scsi/scsi.h" 2208e2c9f1SPaolo Bonzini #include "scsi/constants.h" 230f58f68bSGerd Hoffmann 240f58f68bSGerd Hoffmann /* --------------------------------------------------------------------- */ 250f58f68bSGerd Hoffmann 260f58f68bSGerd Hoffmann #define UAS_UI_COMMAND 0x01 270f58f68bSGerd Hoffmann #define UAS_UI_SENSE 0x03 280f58f68bSGerd Hoffmann #define UAS_UI_RESPONSE 0x04 290f58f68bSGerd Hoffmann #define UAS_UI_TASK_MGMT 0x05 300f58f68bSGerd Hoffmann #define UAS_UI_READ_READY 0x06 310f58f68bSGerd Hoffmann #define UAS_UI_WRITE_READY 0x07 320f58f68bSGerd Hoffmann 330f58f68bSGerd Hoffmann #define UAS_RC_TMF_COMPLETE 0x00 340f58f68bSGerd Hoffmann #define UAS_RC_INVALID_INFO_UNIT 0x02 350f58f68bSGerd Hoffmann #define UAS_RC_TMF_NOT_SUPPORTED 0x04 360f58f68bSGerd Hoffmann #define UAS_RC_TMF_FAILED 0x05 370f58f68bSGerd Hoffmann #define UAS_RC_TMF_SUCCEEDED 0x08 380f58f68bSGerd Hoffmann #define UAS_RC_INCORRECT_LUN 0x09 390f58f68bSGerd Hoffmann #define UAS_RC_OVERLAPPED_TAG 0x0a 400f58f68bSGerd Hoffmann 410f58f68bSGerd Hoffmann #define UAS_TMF_ABORT_TASK 0x01 420f58f68bSGerd Hoffmann #define UAS_TMF_ABORT_TASK_SET 0x02 430f58f68bSGerd Hoffmann #define UAS_TMF_CLEAR_TASK_SET 0x04 440f58f68bSGerd Hoffmann #define UAS_TMF_LOGICAL_UNIT_RESET 0x08 450f58f68bSGerd Hoffmann #define UAS_TMF_I_T_NEXUS_RESET 0x10 460f58f68bSGerd Hoffmann #define UAS_TMF_CLEAR_ACA 0x40 470f58f68bSGerd Hoffmann #define UAS_TMF_QUERY_TASK 0x80 480f58f68bSGerd Hoffmann #define UAS_TMF_QUERY_TASK_SET 0x81 490f58f68bSGerd Hoffmann #define UAS_TMF_QUERY_ASYNC_EVENT 0x82 500f58f68bSGerd Hoffmann 510f58f68bSGerd Hoffmann #define UAS_PIPE_ID_COMMAND 0x01 520f58f68bSGerd Hoffmann #define UAS_PIPE_ID_STATUS 0x02 530f58f68bSGerd Hoffmann #define UAS_PIPE_ID_DATA_IN 0x03 540f58f68bSGerd Hoffmann #define UAS_PIPE_ID_DATA_OUT 0x04 550f58f68bSGerd Hoffmann 560f58f68bSGerd Hoffmann typedef struct { 570f58f68bSGerd Hoffmann uint8_t id; 580f58f68bSGerd Hoffmann uint8_t reserved; 590f58f68bSGerd Hoffmann uint16_t tag; 605007c940SHans de Goede } QEMU_PACKED uas_iu_header; 610f58f68bSGerd Hoffmann 620f58f68bSGerd Hoffmann typedef struct { 630f58f68bSGerd Hoffmann uint8_t prio_taskattr; /* 6:3 priority, 2:0 task attribute */ 640f58f68bSGerd Hoffmann uint8_t reserved_1; 650f58f68bSGerd Hoffmann uint8_t add_cdb_length; /* 7:2 additional adb length (dwords) */ 660f58f68bSGerd Hoffmann uint8_t reserved_2; 670f58f68bSGerd Hoffmann uint64_t lun; 680f58f68bSGerd Hoffmann uint8_t cdb[16]; 690f58f68bSGerd Hoffmann uint8_t add_cdb[]; 705007c940SHans de Goede } QEMU_PACKED uas_iu_command; 710f58f68bSGerd Hoffmann 720f58f68bSGerd Hoffmann typedef struct { 730f58f68bSGerd Hoffmann uint16_t status_qualifier; 740f58f68bSGerd Hoffmann uint8_t status; 750f58f68bSGerd Hoffmann uint8_t reserved[7]; 760f58f68bSGerd Hoffmann uint16_t sense_length; 770f58f68bSGerd Hoffmann uint8_t sense_data[18]; 785007c940SHans de Goede } QEMU_PACKED uas_iu_sense; 790f58f68bSGerd Hoffmann 800f58f68bSGerd Hoffmann typedef struct { 8149cfa2fdSHans de Goede uint8_t add_response_info[3]; 820f58f68bSGerd Hoffmann uint8_t response_code; 835007c940SHans de Goede } QEMU_PACKED uas_iu_response; 840f58f68bSGerd Hoffmann 850f58f68bSGerd Hoffmann typedef struct { 860f58f68bSGerd Hoffmann uint8_t function; 870f58f68bSGerd Hoffmann uint8_t reserved; 880f58f68bSGerd Hoffmann uint16_t task_tag; 890f58f68bSGerd Hoffmann uint64_t lun; 905007c940SHans de Goede } QEMU_PACKED uas_iu_task_mgmt; 910f58f68bSGerd Hoffmann 920f58f68bSGerd Hoffmann typedef struct { 935007c940SHans de Goede uas_iu_header hdr; 940f58f68bSGerd Hoffmann union { 955007c940SHans de Goede uas_iu_command command; 965007c940SHans de Goede uas_iu_sense sense; 975007c940SHans de Goede uas_iu_task_mgmt task; 985007c940SHans de Goede uas_iu_response response; 990f58f68bSGerd Hoffmann }; 1005007c940SHans de Goede } QEMU_PACKED uas_iu; 1010f58f68bSGerd Hoffmann 1020f58f68bSGerd Hoffmann /* --------------------------------------------------------------------- */ 1030f58f68bSGerd Hoffmann 10489a453d4SGerd Hoffmann #define UAS_STREAM_BM_ATTR 4 10589a453d4SGerd Hoffmann #define UAS_MAX_STREAMS (1 << UAS_STREAM_BM_ATTR) 10689a453d4SGerd Hoffmann 1070f58f68bSGerd Hoffmann typedef struct UASDevice UASDevice; 1080f58f68bSGerd Hoffmann typedef struct UASRequest UASRequest; 1090f58f68bSGerd Hoffmann typedef struct UASStatus UASStatus; 1100f58f68bSGerd Hoffmann 1110f58f68bSGerd Hoffmann struct UASDevice { 1120f58f68bSGerd Hoffmann USBDevice dev; 1130f58f68bSGerd Hoffmann SCSIBus bus; 1140f58f68bSGerd Hoffmann QEMUBH *status_bh; 1150f58f68bSGerd Hoffmann QTAILQ_HEAD(, UASStatus) results; 1160f58f68bSGerd Hoffmann QTAILQ_HEAD(, UASRequest) requests; 11789a453d4SGerd Hoffmann 1181556a8fcSGerd Hoffmann /* properties */ 1191556a8fcSGerd Hoffmann uint32_t requestlog; 1201556a8fcSGerd Hoffmann 12189a453d4SGerd Hoffmann /* usb 2.0 only */ 12289a453d4SGerd Hoffmann USBPacket *status2; 12389a453d4SGerd Hoffmann UASRequest *datain2; 12489a453d4SGerd Hoffmann UASRequest *dataout2; 12589a453d4SGerd Hoffmann 12689a453d4SGerd Hoffmann /* usb 3.0 only */ 1270478661eSHans de Goede USBPacket *data3[UAS_MAX_STREAMS + 1]; 1280478661eSHans de Goede USBPacket *status3[UAS_MAX_STREAMS + 1]; 1290f58f68bSGerd Hoffmann }; 1300f58f68bSGerd Hoffmann 1310b06d099SGonglei #define TYPE_USB_UAS "usb-uas" 1320b06d099SGonglei #define USB_UAS(obj) OBJECT_CHECK(UASDevice, (obj), TYPE_USB_UAS) 1330b06d099SGonglei 1340f58f68bSGerd Hoffmann struct UASRequest { 1350f58f68bSGerd Hoffmann uint16_t tag; 1360f58f68bSGerd Hoffmann uint64_t lun; 1370f58f68bSGerd Hoffmann UASDevice *uas; 1380f58f68bSGerd Hoffmann SCSIDevice *dev; 1390f58f68bSGerd Hoffmann SCSIRequest *req; 1400f58f68bSGerd Hoffmann USBPacket *data; 1410f58f68bSGerd Hoffmann bool data_async; 1420f58f68bSGerd Hoffmann bool active; 1430f58f68bSGerd Hoffmann bool complete; 1440f58f68bSGerd Hoffmann uint32_t buf_off; 1450f58f68bSGerd Hoffmann uint32_t buf_size; 1460f58f68bSGerd Hoffmann uint32_t data_off; 1470f58f68bSGerd Hoffmann uint32_t data_size; 1480f58f68bSGerd Hoffmann QTAILQ_ENTRY(UASRequest) next; 1490f58f68bSGerd Hoffmann }; 1500f58f68bSGerd Hoffmann 1510f58f68bSGerd Hoffmann struct UASStatus { 15289a453d4SGerd Hoffmann uint32_t stream; 1535007c940SHans de Goede uas_iu status; 1540f58f68bSGerd Hoffmann uint32_t length; 1550f58f68bSGerd Hoffmann QTAILQ_ENTRY(UASStatus) next; 1560f58f68bSGerd Hoffmann }; 1570f58f68bSGerd Hoffmann 1580f58f68bSGerd Hoffmann /* --------------------------------------------------------------------- */ 1590f58f68bSGerd Hoffmann 1600f58f68bSGerd Hoffmann enum { 1610f58f68bSGerd Hoffmann STR_MANUFACTURER = 1, 1620f58f68bSGerd Hoffmann STR_PRODUCT, 1630f58f68bSGerd Hoffmann STR_SERIALNUMBER, 1640f58f68bSGerd Hoffmann STR_CONFIG_HIGH, 16589a453d4SGerd Hoffmann STR_CONFIG_SUPER, 1660f58f68bSGerd Hoffmann }; 1670f58f68bSGerd Hoffmann 1680f58f68bSGerd Hoffmann static const USBDescStrings desc_strings = { 1690f58f68bSGerd Hoffmann [STR_MANUFACTURER] = "QEMU", 1700f58f68bSGerd Hoffmann [STR_PRODUCT] = "USB Attached SCSI HBA", 1710f58f68bSGerd Hoffmann [STR_SERIALNUMBER] = "27842", 1720f58f68bSGerd Hoffmann [STR_CONFIG_HIGH] = "High speed config (usb 2.0)", 17389a453d4SGerd Hoffmann [STR_CONFIG_SUPER] = "Super speed config (usb 3.0)", 1740f58f68bSGerd Hoffmann }; 1750f58f68bSGerd Hoffmann 1760f58f68bSGerd Hoffmann static const USBDescIface desc_iface_high = { 1770f58f68bSGerd Hoffmann .bInterfaceNumber = 0, 1780f58f68bSGerd Hoffmann .bNumEndpoints = 4, 1790f58f68bSGerd Hoffmann .bInterfaceClass = USB_CLASS_MASS_STORAGE, 1800f58f68bSGerd Hoffmann .bInterfaceSubClass = 0x06, /* SCSI */ 1810f58f68bSGerd Hoffmann .bInterfaceProtocol = 0x62, /* UAS */ 1820f58f68bSGerd Hoffmann .eps = (USBDescEndpoint[]) { 1830f58f68bSGerd Hoffmann { 1840f58f68bSGerd Hoffmann .bEndpointAddress = USB_DIR_OUT | UAS_PIPE_ID_COMMAND, 1850f58f68bSGerd Hoffmann .bmAttributes = USB_ENDPOINT_XFER_BULK, 1860f58f68bSGerd Hoffmann .wMaxPacketSize = 512, 1870f58f68bSGerd Hoffmann .extra = (uint8_t[]) { 1880f58f68bSGerd Hoffmann 0x04, /* u8 bLength */ 1890f58f68bSGerd Hoffmann 0x24, /* u8 bDescriptorType */ 1900f58f68bSGerd Hoffmann UAS_PIPE_ID_COMMAND, 1910f58f68bSGerd Hoffmann 0x00, /* u8 bReserved */ 1920f58f68bSGerd Hoffmann }, 1930f58f68bSGerd Hoffmann },{ 1940f58f68bSGerd Hoffmann .bEndpointAddress = USB_DIR_IN | UAS_PIPE_ID_STATUS, 1950f58f68bSGerd Hoffmann .bmAttributes = USB_ENDPOINT_XFER_BULK, 1960f58f68bSGerd Hoffmann .wMaxPacketSize = 512, 1970f58f68bSGerd Hoffmann .extra = (uint8_t[]) { 1980f58f68bSGerd Hoffmann 0x04, /* u8 bLength */ 1990f58f68bSGerd Hoffmann 0x24, /* u8 bDescriptorType */ 2000f58f68bSGerd Hoffmann UAS_PIPE_ID_STATUS, 2010f58f68bSGerd Hoffmann 0x00, /* u8 bReserved */ 2020f58f68bSGerd Hoffmann }, 2030f58f68bSGerd Hoffmann },{ 2040f58f68bSGerd Hoffmann .bEndpointAddress = USB_DIR_IN | UAS_PIPE_ID_DATA_IN, 2050f58f68bSGerd Hoffmann .bmAttributes = USB_ENDPOINT_XFER_BULK, 2060f58f68bSGerd Hoffmann .wMaxPacketSize = 512, 2070f58f68bSGerd Hoffmann .extra = (uint8_t[]) { 2080f58f68bSGerd Hoffmann 0x04, /* u8 bLength */ 2090f58f68bSGerd Hoffmann 0x24, /* u8 bDescriptorType */ 2100f58f68bSGerd Hoffmann UAS_PIPE_ID_DATA_IN, 2110f58f68bSGerd Hoffmann 0x00, /* u8 bReserved */ 2120f58f68bSGerd Hoffmann }, 2130f58f68bSGerd Hoffmann },{ 2140f58f68bSGerd Hoffmann .bEndpointAddress = USB_DIR_OUT | UAS_PIPE_ID_DATA_OUT, 2150f58f68bSGerd Hoffmann .bmAttributes = USB_ENDPOINT_XFER_BULK, 2160f58f68bSGerd Hoffmann .wMaxPacketSize = 512, 2170f58f68bSGerd Hoffmann .extra = (uint8_t[]) { 2180f58f68bSGerd Hoffmann 0x04, /* u8 bLength */ 2190f58f68bSGerd Hoffmann 0x24, /* u8 bDescriptorType */ 2200f58f68bSGerd Hoffmann UAS_PIPE_ID_DATA_OUT, 2210f58f68bSGerd Hoffmann 0x00, /* u8 bReserved */ 2220f58f68bSGerd Hoffmann }, 2230f58f68bSGerd Hoffmann }, 2240f58f68bSGerd Hoffmann } 2250f58f68bSGerd Hoffmann }; 2260f58f68bSGerd Hoffmann 22789a453d4SGerd Hoffmann static const USBDescIface desc_iface_super = { 22889a453d4SGerd Hoffmann .bInterfaceNumber = 0, 22989a453d4SGerd Hoffmann .bNumEndpoints = 4, 23089a453d4SGerd Hoffmann .bInterfaceClass = USB_CLASS_MASS_STORAGE, 23189a453d4SGerd Hoffmann .bInterfaceSubClass = 0x06, /* SCSI */ 23289a453d4SGerd Hoffmann .bInterfaceProtocol = 0x62, /* UAS */ 23389a453d4SGerd Hoffmann .eps = (USBDescEndpoint[]) { 23489a453d4SGerd Hoffmann { 23589a453d4SGerd Hoffmann .bEndpointAddress = USB_DIR_OUT | UAS_PIPE_ID_COMMAND, 23689a453d4SGerd Hoffmann .bmAttributes = USB_ENDPOINT_XFER_BULK, 23789a453d4SGerd Hoffmann .wMaxPacketSize = 1024, 23889a453d4SGerd Hoffmann .bMaxBurst = 15, 23989a453d4SGerd Hoffmann .extra = (uint8_t[]) { 24089a453d4SGerd Hoffmann 0x04, /* u8 bLength */ 24189a453d4SGerd Hoffmann 0x24, /* u8 bDescriptorType */ 24289a453d4SGerd Hoffmann UAS_PIPE_ID_COMMAND, 24389a453d4SGerd Hoffmann 0x00, /* u8 bReserved */ 24489a453d4SGerd Hoffmann }, 24589a453d4SGerd Hoffmann },{ 24689a453d4SGerd Hoffmann .bEndpointAddress = USB_DIR_IN | UAS_PIPE_ID_STATUS, 24789a453d4SGerd Hoffmann .bmAttributes = USB_ENDPOINT_XFER_BULK, 24889a453d4SGerd Hoffmann .wMaxPacketSize = 1024, 24989a453d4SGerd Hoffmann .bMaxBurst = 15, 25089a453d4SGerd Hoffmann .bmAttributes_super = UAS_STREAM_BM_ATTR, 25189a453d4SGerd Hoffmann .extra = (uint8_t[]) { 25289a453d4SGerd Hoffmann 0x04, /* u8 bLength */ 25389a453d4SGerd Hoffmann 0x24, /* u8 bDescriptorType */ 25489a453d4SGerd Hoffmann UAS_PIPE_ID_STATUS, 25589a453d4SGerd Hoffmann 0x00, /* u8 bReserved */ 25689a453d4SGerd Hoffmann }, 25789a453d4SGerd Hoffmann },{ 25889a453d4SGerd Hoffmann .bEndpointAddress = USB_DIR_IN | UAS_PIPE_ID_DATA_IN, 25989a453d4SGerd Hoffmann .bmAttributes = USB_ENDPOINT_XFER_BULK, 26089a453d4SGerd Hoffmann .wMaxPacketSize = 1024, 26189a453d4SGerd Hoffmann .bMaxBurst = 15, 26289a453d4SGerd Hoffmann .bmAttributes_super = UAS_STREAM_BM_ATTR, 26389a453d4SGerd Hoffmann .extra = (uint8_t[]) { 26489a453d4SGerd Hoffmann 0x04, /* u8 bLength */ 26589a453d4SGerd Hoffmann 0x24, /* u8 bDescriptorType */ 26689a453d4SGerd Hoffmann UAS_PIPE_ID_DATA_IN, 26789a453d4SGerd Hoffmann 0x00, /* u8 bReserved */ 26889a453d4SGerd Hoffmann }, 26989a453d4SGerd Hoffmann },{ 27089a453d4SGerd Hoffmann .bEndpointAddress = USB_DIR_OUT | UAS_PIPE_ID_DATA_OUT, 27189a453d4SGerd Hoffmann .bmAttributes = USB_ENDPOINT_XFER_BULK, 27289a453d4SGerd Hoffmann .wMaxPacketSize = 1024, 27389a453d4SGerd Hoffmann .bMaxBurst = 15, 27489a453d4SGerd Hoffmann .bmAttributes_super = UAS_STREAM_BM_ATTR, 27589a453d4SGerd Hoffmann .extra = (uint8_t[]) { 27689a453d4SGerd Hoffmann 0x04, /* u8 bLength */ 27789a453d4SGerd Hoffmann 0x24, /* u8 bDescriptorType */ 27889a453d4SGerd Hoffmann UAS_PIPE_ID_DATA_OUT, 27989a453d4SGerd Hoffmann 0x00, /* u8 bReserved */ 28089a453d4SGerd Hoffmann }, 28189a453d4SGerd Hoffmann }, 28289a453d4SGerd Hoffmann } 28389a453d4SGerd Hoffmann }; 28489a453d4SGerd Hoffmann 2850f58f68bSGerd Hoffmann static const USBDescDevice desc_device_high = { 2860f58f68bSGerd Hoffmann .bcdUSB = 0x0200, 2870f58f68bSGerd Hoffmann .bMaxPacketSize0 = 64, 2880f58f68bSGerd Hoffmann .bNumConfigurations = 1, 2890f58f68bSGerd Hoffmann .confs = (USBDescConfig[]) { 2900f58f68bSGerd Hoffmann { 2910f58f68bSGerd Hoffmann .bNumInterfaces = 1, 2920f58f68bSGerd Hoffmann .bConfigurationValue = 1, 2930f58f68bSGerd Hoffmann .iConfiguration = STR_CONFIG_HIGH, 294bd93976aSPantelis Koukousoulas .bmAttributes = USB_CFG_ATT_ONE | USB_CFG_ATT_SELFPOWER, 2950f58f68bSGerd Hoffmann .nif = 1, 2960f58f68bSGerd Hoffmann .ifs = &desc_iface_high, 2970f58f68bSGerd Hoffmann }, 2980f58f68bSGerd Hoffmann }, 2990f58f68bSGerd Hoffmann }; 3000f58f68bSGerd Hoffmann 30189a453d4SGerd Hoffmann static const USBDescDevice desc_device_super = { 30289a453d4SGerd Hoffmann .bcdUSB = 0x0300, 30389a453d4SGerd Hoffmann .bMaxPacketSize0 = 64, 30489a453d4SGerd Hoffmann .bNumConfigurations = 1, 30589a453d4SGerd Hoffmann .confs = (USBDescConfig[]) { 30689a453d4SGerd Hoffmann { 30789a453d4SGerd Hoffmann .bNumInterfaces = 1, 30889a453d4SGerd Hoffmann .bConfigurationValue = 1, 30989a453d4SGerd Hoffmann .iConfiguration = STR_CONFIG_SUPER, 310bd93976aSPantelis Koukousoulas .bmAttributes = USB_CFG_ATT_ONE | USB_CFG_ATT_SELFPOWER, 31189a453d4SGerd Hoffmann .nif = 1, 31289a453d4SGerd Hoffmann .ifs = &desc_iface_super, 31389a453d4SGerd Hoffmann }, 31489a453d4SGerd Hoffmann }, 31589a453d4SGerd Hoffmann }; 31689a453d4SGerd Hoffmann 3170f58f68bSGerd Hoffmann static const USBDesc desc = { 3180f58f68bSGerd Hoffmann .id = { 3190f58f68bSGerd Hoffmann .idVendor = 0x46f4, /* CRC16() of "QEMU" */ 3200daf5304SGerd Hoffmann .idProduct = 0x0003, 3210f58f68bSGerd Hoffmann .bcdDevice = 0, 3220f58f68bSGerd Hoffmann .iManufacturer = STR_MANUFACTURER, 3230f58f68bSGerd Hoffmann .iProduct = STR_PRODUCT, 3240f58f68bSGerd Hoffmann .iSerialNumber = STR_SERIALNUMBER, 3250f58f68bSGerd Hoffmann }, 3260f58f68bSGerd Hoffmann .high = &desc_device_high, 32789a453d4SGerd Hoffmann .super = &desc_device_super, 3280f58f68bSGerd Hoffmann .str = desc_strings, 3290f58f68bSGerd Hoffmann }; 3300f58f68bSGerd Hoffmann 3310f58f68bSGerd Hoffmann /* --------------------------------------------------------------------- */ 3320f58f68bSGerd Hoffmann 33389a453d4SGerd Hoffmann static bool uas_using_streams(UASDevice *uas) 33489a453d4SGerd Hoffmann { 33589a453d4SGerd Hoffmann return uas->dev.speed == USB_SPEED_SUPER; 33689a453d4SGerd Hoffmann } 33789a453d4SGerd Hoffmann 33889a453d4SGerd Hoffmann /* --------------------------------------------------------------------- */ 33989a453d4SGerd Hoffmann 34089a453d4SGerd Hoffmann static UASStatus *usb_uas_alloc_status(UASDevice *uas, uint8_t id, uint16_t tag) 3410f58f68bSGerd Hoffmann { 3420f58f68bSGerd Hoffmann UASStatus *st = g_new0(UASStatus, 1); 3430f58f68bSGerd Hoffmann 3440f58f68bSGerd Hoffmann st->status.hdr.id = id; 3450f58f68bSGerd Hoffmann st->status.hdr.tag = cpu_to_be16(tag); 3465007c940SHans de Goede st->length = sizeof(uas_iu_header); 34789a453d4SGerd Hoffmann if (uas_using_streams(uas)) { 34889a453d4SGerd Hoffmann st->stream = tag; 34989a453d4SGerd Hoffmann } 3500f58f68bSGerd Hoffmann return st; 3510f58f68bSGerd Hoffmann } 3520f58f68bSGerd Hoffmann 3530f58f68bSGerd Hoffmann static void usb_uas_send_status_bh(void *opaque) 3540f58f68bSGerd Hoffmann { 3550f58f68bSGerd Hoffmann UASDevice *uas = opaque; 35689a453d4SGerd Hoffmann UASStatus *st; 35789a453d4SGerd Hoffmann USBPacket *p; 3580f58f68bSGerd Hoffmann 35989a453d4SGerd Hoffmann while ((st = QTAILQ_FIRST(&uas->results)) != NULL) { 36089a453d4SGerd Hoffmann if (uas_using_streams(uas)) { 36189a453d4SGerd Hoffmann p = uas->status3[st->stream]; 36289a453d4SGerd Hoffmann uas->status3[st->stream] = NULL; 36389a453d4SGerd Hoffmann } else { 36489a453d4SGerd Hoffmann p = uas->status2; 36589a453d4SGerd Hoffmann uas->status2 = NULL; 36689a453d4SGerd Hoffmann } 36789a453d4SGerd Hoffmann if (p == NULL) { 36889a453d4SGerd Hoffmann break; 36989a453d4SGerd Hoffmann } 3700f58f68bSGerd Hoffmann 3710f58f68bSGerd Hoffmann usb_packet_copy(p, &st->status, st->length); 3720f58f68bSGerd Hoffmann QTAILQ_REMOVE(&uas->results, st, next); 3730f58f68bSGerd Hoffmann g_free(st); 3740f58f68bSGerd Hoffmann 3759a77a0f5SHans de Goede p->status = USB_RET_SUCCESS; /* Clear previous ASYNC status */ 3760f58f68bSGerd Hoffmann usb_packet_complete(&uas->dev, p); 3770f58f68bSGerd Hoffmann } 37889a453d4SGerd Hoffmann } 3790f58f68bSGerd Hoffmann 3800f58f68bSGerd Hoffmann static void usb_uas_queue_status(UASDevice *uas, UASStatus *st, int length) 3810f58f68bSGerd Hoffmann { 38289a453d4SGerd Hoffmann USBPacket *p = uas_using_streams(uas) ? 38389a453d4SGerd Hoffmann uas->status3[st->stream] : uas->status2; 38489a453d4SGerd Hoffmann 3850f58f68bSGerd Hoffmann st->length += length; 3860f58f68bSGerd Hoffmann QTAILQ_INSERT_TAIL(&uas->results, st, next); 38789a453d4SGerd Hoffmann if (p) { 3880f58f68bSGerd Hoffmann /* 3890f58f68bSGerd Hoffmann * Just schedule bh make sure any in-flight data transaction 3900f58f68bSGerd Hoffmann * is finished before completing (sending) the status packet. 3910f58f68bSGerd Hoffmann */ 3920f58f68bSGerd Hoffmann qemu_bh_schedule(uas->status_bh); 3930f58f68bSGerd Hoffmann } else { 3940f58f68bSGerd Hoffmann USBEndpoint *ep = usb_ep_get(&uas->dev, USB_TOKEN_IN, 3950f58f68bSGerd Hoffmann UAS_PIPE_ID_STATUS); 39689a453d4SGerd Hoffmann usb_wakeup(ep, st->stream); 3970f58f68bSGerd Hoffmann } 3980f58f68bSGerd Hoffmann } 3990f58f68bSGerd Hoffmann 40049cfa2fdSHans de Goede static void usb_uas_queue_response(UASDevice *uas, uint16_t tag, uint8_t code) 4010f58f68bSGerd Hoffmann { 40289a453d4SGerd Hoffmann UASStatus *st = usb_uas_alloc_status(uas, UAS_UI_RESPONSE, tag); 4030f58f68bSGerd Hoffmann 4040f58f68bSGerd Hoffmann trace_usb_uas_response(uas->dev.addr, tag, code); 4050f58f68bSGerd Hoffmann st->status.response.response_code = code; 4065007c940SHans de Goede usb_uas_queue_status(uas, st, sizeof(uas_iu_response)); 4070f58f68bSGerd Hoffmann } 4080f58f68bSGerd Hoffmann 4090f58f68bSGerd Hoffmann static void usb_uas_queue_sense(UASRequest *req, uint8_t status) 4100f58f68bSGerd Hoffmann { 41189a453d4SGerd Hoffmann UASStatus *st = usb_uas_alloc_status(req->uas, UAS_UI_SENSE, req->tag); 4120f58f68bSGerd Hoffmann int len, slen = 0; 4130f58f68bSGerd Hoffmann 4140f58f68bSGerd Hoffmann trace_usb_uas_sense(req->uas->dev.addr, req->tag, status); 4150f58f68bSGerd Hoffmann st->status.sense.status = status; 4160f58f68bSGerd Hoffmann st->status.sense.status_qualifier = cpu_to_be16(0); 4170f58f68bSGerd Hoffmann if (status != GOOD) { 4180f58f68bSGerd Hoffmann slen = scsi_req_get_sense(req->req, st->status.sense.sense_data, 4190f58f68bSGerd Hoffmann sizeof(st->status.sense.sense_data)); 4200f58f68bSGerd Hoffmann st->status.sense.sense_length = cpu_to_be16(slen); 4210f58f68bSGerd Hoffmann } 4225007c940SHans de Goede len = sizeof(uas_iu_sense) - sizeof(st->status.sense.sense_data) + slen; 4230f58f68bSGerd Hoffmann usb_uas_queue_status(req->uas, st, len); 4240f58f68bSGerd Hoffmann } 4250f58f68bSGerd Hoffmann 426d4bfc7b9SHans de Goede static void usb_uas_queue_fake_sense(UASDevice *uas, uint16_t tag, 427d4bfc7b9SHans de Goede struct SCSISense sense) 428d4bfc7b9SHans de Goede { 429d4bfc7b9SHans de Goede UASStatus *st = usb_uas_alloc_status(uas, UAS_UI_SENSE, tag); 430d4bfc7b9SHans de Goede int len, slen = 0; 431d4bfc7b9SHans de Goede 432d4bfc7b9SHans de Goede st->status.sense.status = CHECK_CONDITION; 433d4bfc7b9SHans de Goede st->status.sense.status_qualifier = cpu_to_be16(0); 434d4bfc7b9SHans de Goede st->status.sense.sense_data[0] = 0x70; 435d4bfc7b9SHans de Goede st->status.sense.sense_data[2] = sense.key; 436d4bfc7b9SHans de Goede st->status.sense.sense_data[7] = 10; 437d4bfc7b9SHans de Goede st->status.sense.sense_data[12] = sense.asc; 438d4bfc7b9SHans de Goede st->status.sense.sense_data[13] = sense.ascq; 439d4bfc7b9SHans de Goede slen = 18; 4405007c940SHans de Goede len = sizeof(uas_iu_sense) - sizeof(st->status.sense.sense_data) + slen; 441d4bfc7b9SHans de Goede usb_uas_queue_status(uas, st, len); 442d4bfc7b9SHans de Goede } 443d4bfc7b9SHans de Goede 4440f58f68bSGerd Hoffmann static void usb_uas_queue_read_ready(UASRequest *req) 4450f58f68bSGerd Hoffmann { 44689a453d4SGerd Hoffmann UASStatus *st = usb_uas_alloc_status(req->uas, UAS_UI_READ_READY, 44789a453d4SGerd Hoffmann req->tag); 4480f58f68bSGerd Hoffmann 4490f58f68bSGerd Hoffmann trace_usb_uas_read_ready(req->uas->dev.addr, req->tag); 4500f58f68bSGerd Hoffmann usb_uas_queue_status(req->uas, st, 0); 4510f58f68bSGerd Hoffmann } 4520f58f68bSGerd Hoffmann 4530f58f68bSGerd Hoffmann static void usb_uas_queue_write_ready(UASRequest *req) 4540f58f68bSGerd Hoffmann { 45589a453d4SGerd Hoffmann UASStatus *st = usb_uas_alloc_status(req->uas, UAS_UI_WRITE_READY, 45689a453d4SGerd Hoffmann req->tag); 4570f58f68bSGerd Hoffmann 4580f58f68bSGerd Hoffmann trace_usb_uas_write_ready(req->uas->dev.addr, req->tag); 4590f58f68bSGerd Hoffmann usb_uas_queue_status(req->uas, st, 0); 4600f58f68bSGerd Hoffmann } 4610f58f68bSGerd Hoffmann 4620f58f68bSGerd Hoffmann /* --------------------------------------------------------------------- */ 4630f58f68bSGerd Hoffmann 4640f58f68bSGerd Hoffmann static int usb_uas_get_lun(uint64_t lun64) 4650f58f68bSGerd Hoffmann { 4660f58f68bSGerd Hoffmann return (lun64 >> 48) & 0xff; 4670f58f68bSGerd Hoffmann } 4680f58f68bSGerd Hoffmann 4690f58f68bSGerd Hoffmann static SCSIDevice *usb_uas_get_dev(UASDevice *uas, uint64_t lun64) 4700f58f68bSGerd Hoffmann { 4710f58f68bSGerd Hoffmann if ((lun64 >> 56) != 0x00) { 4720f58f68bSGerd Hoffmann return NULL; 4730f58f68bSGerd Hoffmann } 4740f58f68bSGerd Hoffmann return scsi_device_find(&uas->bus, 0, 0, usb_uas_get_lun(lun64)); 4750f58f68bSGerd Hoffmann } 4760f58f68bSGerd Hoffmann 4770f58f68bSGerd Hoffmann static void usb_uas_complete_data_packet(UASRequest *req) 4780f58f68bSGerd Hoffmann { 4790f58f68bSGerd Hoffmann USBPacket *p; 4800f58f68bSGerd Hoffmann 4810f58f68bSGerd Hoffmann if (!req->data_async) { 4820f58f68bSGerd Hoffmann return; 4830f58f68bSGerd Hoffmann } 4840f58f68bSGerd Hoffmann p = req->data; 4850f58f68bSGerd Hoffmann req->data = NULL; 4860f58f68bSGerd Hoffmann req->data_async = false; 4879a77a0f5SHans de Goede p->status = USB_RET_SUCCESS; /* Clear previous ASYNC status */ 4880f58f68bSGerd Hoffmann usb_packet_complete(&req->uas->dev, p); 4890f58f68bSGerd Hoffmann } 4900f58f68bSGerd Hoffmann 4910f58f68bSGerd Hoffmann static void usb_uas_copy_data(UASRequest *req) 4920f58f68bSGerd Hoffmann { 4930f58f68bSGerd Hoffmann uint32_t length; 4940f58f68bSGerd Hoffmann 4950f58f68bSGerd Hoffmann length = MIN(req->buf_size - req->buf_off, 4969a77a0f5SHans de Goede req->data->iov.size - req->data->actual_length); 4970f58f68bSGerd Hoffmann trace_usb_uas_xfer_data(req->uas->dev.addr, req->tag, length, 4989a77a0f5SHans de Goede req->data->actual_length, req->data->iov.size, 4990f58f68bSGerd Hoffmann req->buf_off, req->buf_size); 5000f58f68bSGerd Hoffmann usb_packet_copy(req->data, scsi_req_get_buf(req->req) + req->buf_off, 5010f58f68bSGerd Hoffmann length); 5020f58f68bSGerd Hoffmann req->buf_off += length; 5030f58f68bSGerd Hoffmann req->data_off += length; 5040f58f68bSGerd Hoffmann 5059a77a0f5SHans de Goede if (req->data->actual_length == req->data->iov.size) { 5060f58f68bSGerd Hoffmann usb_uas_complete_data_packet(req); 5070f58f68bSGerd Hoffmann } 5080f58f68bSGerd Hoffmann if (req->buf_size && req->buf_off == req->buf_size) { 5090f58f68bSGerd Hoffmann req->buf_off = 0; 5100f58f68bSGerd Hoffmann req->buf_size = 0; 5110f58f68bSGerd Hoffmann scsi_req_continue(req->req); 5120f58f68bSGerd Hoffmann } 5130f58f68bSGerd Hoffmann } 5140f58f68bSGerd Hoffmann 5150f58f68bSGerd Hoffmann static void usb_uas_start_next_transfer(UASDevice *uas) 5160f58f68bSGerd Hoffmann { 5170f58f68bSGerd Hoffmann UASRequest *req; 5180f58f68bSGerd Hoffmann 51989a453d4SGerd Hoffmann if (uas_using_streams(uas)) { 52089a453d4SGerd Hoffmann return; 52189a453d4SGerd Hoffmann } 52289a453d4SGerd Hoffmann 5230f58f68bSGerd Hoffmann QTAILQ_FOREACH(req, &uas->requests, next) { 5240f58f68bSGerd Hoffmann if (req->active || req->complete) { 5250f58f68bSGerd Hoffmann continue; 5260f58f68bSGerd Hoffmann } 52789a453d4SGerd Hoffmann if (req->req->cmd.mode == SCSI_XFER_FROM_DEV && uas->datain2 == NULL) { 52889a453d4SGerd Hoffmann uas->datain2 = req; 5290f58f68bSGerd Hoffmann usb_uas_queue_read_ready(req); 5300f58f68bSGerd Hoffmann req->active = true; 5310f58f68bSGerd Hoffmann return; 5320f58f68bSGerd Hoffmann } 53389a453d4SGerd Hoffmann if (req->req->cmd.mode == SCSI_XFER_TO_DEV && uas->dataout2 == NULL) { 53489a453d4SGerd Hoffmann uas->dataout2 = req; 5350f58f68bSGerd Hoffmann usb_uas_queue_write_ready(req); 5360f58f68bSGerd Hoffmann req->active = true; 5370f58f68bSGerd Hoffmann return; 5380f58f68bSGerd Hoffmann } 5390f58f68bSGerd Hoffmann } 5400f58f68bSGerd Hoffmann } 5410f58f68bSGerd Hoffmann 5425007c940SHans de Goede static UASRequest *usb_uas_alloc_request(UASDevice *uas, uas_iu *iu) 5430f58f68bSGerd Hoffmann { 5440f58f68bSGerd Hoffmann UASRequest *req; 5450f58f68bSGerd Hoffmann 5460f58f68bSGerd Hoffmann req = g_new0(UASRequest, 1); 5470f58f68bSGerd Hoffmann req->uas = uas; 5485007c940SHans de Goede req->tag = be16_to_cpu(iu->hdr.tag); 5495007c940SHans de Goede req->lun = be64_to_cpu(iu->command.lun); 5500f58f68bSGerd Hoffmann req->dev = usb_uas_get_dev(req->uas, req->lun); 5510f58f68bSGerd Hoffmann return req; 5520f58f68bSGerd Hoffmann } 5530f58f68bSGerd Hoffmann 5540f58f68bSGerd Hoffmann static void usb_uas_scsi_free_request(SCSIBus *bus, void *priv) 5550f58f68bSGerd Hoffmann { 5560f58f68bSGerd Hoffmann UASRequest *req = priv; 5570f58f68bSGerd Hoffmann UASDevice *uas = req->uas; 5580f58f68bSGerd Hoffmann 55989a453d4SGerd Hoffmann if (req == uas->datain2) { 56089a453d4SGerd Hoffmann uas->datain2 = NULL; 5610f58f68bSGerd Hoffmann } 56289a453d4SGerd Hoffmann if (req == uas->dataout2) { 56389a453d4SGerd Hoffmann uas->dataout2 = NULL; 5640f58f68bSGerd Hoffmann } 5650f58f68bSGerd Hoffmann QTAILQ_REMOVE(&uas->requests, req, next); 5660f58f68bSGerd Hoffmann g_free(req); 567347e40ffSGerd Hoffmann usb_uas_start_next_transfer(uas); 5680f58f68bSGerd Hoffmann } 5690f58f68bSGerd Hoffmann 5700f58f68bSGerd Hoffmann static UASRequest *usb_uas_find_request(UASDevice *uas, uint16_t tag) 5710f58f68bSGerd Hoffmann { 5720f58f68bSGerd Hoffmann UASRequest *req; 5730f58f68bSGerd Hoffmann 5740f58f68bSGerd Hoffmann QTAILQ_FOREACH(req, &uas->requests, next) { 5750f58f68bSGerd Hoffmann if (req->tag == tag) { 5760f58f68bSGerd Hoffmann return req; 5770f58f68bSGerd Hoffmann } 5780f58f68bSGerd Hoffmann } 5790f58f68bSGerd Hoffmann return NULL; 5800f58f68bSGerd Hoffmann } 5810f58f68bSGerd Hoffmann 5820f58f68bSGerd Hoffmann static void usb_uas_scsi_transfer_data(SCSIRequest *r, uint32_t len) 5830f58f68bSGerd Hoffmann { 5840f58f68bSGerd Hoffmann UASRequest *req = r->hba_private; 5850f58f68bSGerd Hoffmann 5860f58f68bSGerd Hoffmann trace_usb_uas_scsi_data(req->uas->dev.addr, req->tag, len); 5870f58f68bSGerd Hoffmann req->buf_off = 0; 5880f58f68bSGerd Hoffmann req->buf_size = len; 5890f58f68bSGerd Hoffmann if (req->data) { 5900f58f68bSGerd Hoffmann usb_uas_copy_data(req); 5910f58f68bSGerd Hoffmann } else { 5920f58f68bSGerd Hoffmann usb_uas_start_next_transfer(req->uas); 5930f58f68bSGerd Hoffmann } 5940f58f68bSGerd Hoffmann } 5950f58f68bSGerd Hoffmann 5960f58f68bSGerd Hoffmann static void usb_uas_scsi_command_complete(SCSIRequest *r, 5970f58f68bSGerd Hoffmann uint32_t status, size_t resid) 5980f58f68bSGerd Hoffmann { 5990f58f68bSGerd Hoffmann UASRequest *req = r->hba_private; 6000f58f68bSGerd Hoffmann 6010f58f68bSGerd Hoffmann trace_usb_uas_scsi_complete(req->uas->dev.addr, req->tag, status, resid); 6020f58f68bSGerd Hoffmann req->complete = true; 6030f58f68bSGerd Hoffmann if (req->data) { 6040f58f68bSGerd Hoffmann usb_uas_complete_data_packet(req); 6050f58f68bSGerd Hoffmann } 6060f58f68bSGerd Hoffmann usb_uas_queue_sense(req, status); 6070f58f68bSGerd Hoffmann scsi_req_unref(req->req); 6080f58f68bSGerd Hoffmann } 6090f58f68bSGerd Hoffmann 6100f58f68bSGerd Hoffmann static void usb_uas_scsi_request_cancelled(SCSIRequest *r) 6110f58f68bSGerd Hoffmann { 6120f58f68bSGerd Hoffmann UASRequest *req = r->hba_private; 6130f58f68bSGerd Hoffmann 6140f58f68bSGerd Hoffmann /* FIXME: queue notification to status pipe? */ 6150f58f68bSGerd Hoffmann scsi_req_unref(req->req); 6160f58f68bSGerd Hoffmann } 6170f58f68bSGerd Hoffmann 6180f58f68bSGerd Hoffmann static const struct SCSIBusInfo usb_uas_scsi_info = { 6190f58f68bSGerd Hoffmann .tcq = true, 6200f58f68bSGerd Hoffmann .max_target = 0, 6210f58f68bSGerd Hoffmann .max_lun = 255, 6220f58f68bSGerd Hoffmann 6230f58f68bSGerd Hoffmann .transfer_data = usb_uas_scsi_transfer_data, 6240f58f68bSGerd Hoffmann .complete = usb_uas_scsi_command_complete, 6250f58f68bSGerd Hoffmann .cancel = usb_uas_scsi_request_cancelled, 6260f58f68bSGerd Hoffmann .free_request = usb_uas_scsi_free_request, 6270f58f68bSGerd Hoffmann }; 6280f58f68bSGerd Hoffmann 6290f58f68bSGerd Hoffmann /* --------------------------------------------------------------------- */ 6300f58f68bSGerd Hoffmann 6310f58f68bSGerd Hoffmann static void usb_uas_handle_reset(USBDevice *dev) 6320f58f68bSGerd Hoffmann { 6330b06d099SGonglei UASDevice *uas = USB_UAS(dev); 6340f58f68bSGerd Hoffmann UASRequest *req, *nreq; 6350f58f68bSGerd Hoffmann UASStatus *st, *nst; 6360f58f68bSGerd Hoffmann 6370f58f68bSGerd Hoffmann trace_usb_uas_reset(dev->addr); 6380f58f68bSGerd Hoffmann QTAILQ_FOREACH_SAFE(req, &uas->requests, next, nreq) { 6390f58f68bSGerd Hoffmann scsi_req_cancel(req->req); 6400f58f68bSGerd Hoffmann } 6410f58f68bSGerd Hoffmann QTAILQ_FOREACH_SAFE(st, &uas->results, next, nst) { 6420f58f68bSGerd Hoffmann QTAILQ_REMOVE(&uas->results, st, next); 6430f58f68bSGerd Hoffmann g_free(st); 6440f58f68bSGerd Hoffmann } 6450f58f68bSGerd Hoffmann } 6460f58f68bSGerd Hoffmann 6479a77a0f5SHans de Goede static void usb_uas_handle_control(USBDevice *dev, USBPacket *p, 6480f58f68bSGerd Hoffmann int request, int value, int index, int length, uint8_t *data) 6490f58f68bSGerd Hoffmann { 6500f58f68bSGerd Hoffmann int ret; 6510f58f68bSGerd Hoffmann 6520f58f68bSGerd Hoffmann ret = usb_desc_handle_control(dev, p, request, value, index, length, data); 6530f58f68bSGerd Hoffmann if (ret >= 0) { 6549a77a0f5SHans de Goede return; 6550f58f68bSGerd Hoffmann } 656e306b2fdSGerd Hoffmann error_report("%s: unhandled control request (req 0x%x, val 0x%x, idx 0x%x", 657e306b2fdSGerd Hoffmann __func__, request, value, index); 6589a77a0f5SHans de Goede p->status = USB_RET_STALL; 6590f58f68bSGerd Hoffmann } 6600f58f68bSGerd Hoffmann 6610f58f68bSGerd Hoffmann static void usb_uas_cancel_io(USBDevice *dev, USBPacket *p) 6620f58f68bSGerd Hoffmann { 6630b06d099SGonglei UASDevice *uas = USB_UAS(dev); 6640f58f68bSGerd Hoffmann UASRequest *req, *nreq; 66589a453d4SGerd Hoffmann int i; 6660f58f68bSGerd Hoffmann 66789a453d4SGerd Hoffmann if (uas->status2 == p) { 66889a453d4SGerd Hoffmann uas->status2 = NULL; 6690f58f68bSGerd Hoffmann qemu_bh_cancel(uas->status_bh); 6700f58f68bSGerd Hoffmann return; 6710f58f68bSGerd Hoffmann } 67289a453d4SGerd Hoffmann if (uas_using_streams(uas)) { 6730478661eSHans de Goede for (i = 0; i <= UAS_MAX_STREAMS; i++) { 67489a453d4SGerd Hoffmann if (uas->status3[i] == p) { 67589a453d4SGerd Hoffmann uas->status3[i] = NULL; 67689a453d4SGerd Hoffmann return; 67789a453d4SGerd Hoffmann } 67889a453d4SGerd Hoffmann if (uas->data3[i] == p) { 67989a453d4SGerd Hoffmann uas->data3[i] = NULL; 68089a453d4SGerd Hoffmann return; 68189a453d4SGerd Hoffmann } 68289a453d4SGerd Hoffmann } 68389a453d4SGerd Hoffmann } 6840f58f68bSGerd Hoffmann QTAILQ_FOREACH_SAFE(req, &uas->requests, next, nreq) { 6850f58f68bSGerd Hoffmann if (req->data == p) { 6860f58f68bSGerd Hoffmann req->data = NULL; 6870f58f68bSGerd Hoffmann return; 6880f58f68bSGerd Hoffmann } 6890f58f68bSGerd Hoffmann } 6900f58f68bSGerd Hoffmann assert(!"canceled usb packet not found"); 6910f58f68bSGerd Hoffmann } 6920f58f68bSGerd Hoffmann 6935007c940SHans de Goede static void usb_uas_command(UASDevice *uas, uas_iu *iu) 6940f58f68bSGerd Hoffmann { 6950f58f68bSGerd Hoffmann UASRequest *req; 6960f58f68bSGerd Hoffmann uint32_t len; 6975007c940SHans de Goede uint16_t tag = be16_to_cpu(iu->hdr.tag); 6980f58f68bSGerd Hoffmann 6993453f9a0SHans de Goede if (uas_using_streams(uas) && tag > UAS_MAX_STREAMS) { 7003453f9a0SHans de Goede goto invalid_tag; 7013453f9a0SHans de Goede } 702d4bfc7b9SHans de Goede req = usb_uas_find_request(uas, tag); 7030f58f68bSGerd Hoffmann if (req) { 7040f58f68bSGerd Hoffmann goto overlapped_tag; 7050f58f68bSGerd Hoffmann } 7065007c940SHans de Goede req = usb_uas_alloc_request(uas, iu); 7070f58f68bSGerd Hoffmann if (req->dev == NULL) { 7080f58f68bSGerd Hoffmann goto bad_target; 7090f58f68bSGerd Hoffmann } 7100f58f68bSGerd Hoffmann 7110f58f68bSGerd Hoffmann trace_usb_uas_command(uas->dev.addr, req->tag, 7120f58f68bSGerd Hoffmann usb_uas_get_lun(req->lun), 7130f58f68bSGerd Hoffmann req->lun >> 32, req->lun & 0xffffffff); 7140f58f68bSGerd Hoffmann QTAILQ_INSERT_TAIL(&uas->requests, req, next); 71589a453d4SGerd Hoffmann if (uas_using_streams(uas) && uas->data3[req->tag] != NULL) { 71689a453d4SGerd Hoffmann req->data = uas->data3[req->tag]; 71789a453d4SGerd Hoffmann req->data_async = true; 71889a453d4SGerd Hoffmann uas->data3[req->tag] = NULL; 71989a453d4SGerd Hoffmann } 72089a453d4SGerd Hoffmann 7210f58f68bSGerd Hoffmann req->req = scsi_req_new(req->dev, req->tag, 7220f58f68bSGerd Hoffmann usb_uas_get_lun(req->lun), 7235007c940SHans de Goede iu->command.cdb, req); 7241556a8fcSGerd Hoffmann if (uas->requestlog) { 72589a453d4SGerd Hoffmann scsi_req_print(req->req); 7261556a8fcSGerd Hoffmann } 7270f58f68bSGerd Hoffmann len = scsi_req_enqueue(req->req); 7280f58f68bSGerd Hoffmann if (len) { 7290f58f68bSGerd Hoffmann req->data_size = len; 7300f58f68bSGerd Hoffmann scsi_req_continue(req->req); 7310f58f68bSGerd Hoffmann } 7320f58f68bSGerd Hoffmann return; 7330f58f68bSGerd Hoffmann 7343453f9a0SHans de Goede invalid_tag: 7353453f9a0SHans de Goede usb_uas_queue_fake_sense(uas, tag, sense_code_INVALID_TAG); 7363453f9a0SHans de Goede return; 7373453f9a0SHans de Goede 7380f58f68bSGerd Hoffmann overlapped_tag: 739d4bfc7b9SHans de Goede usb_uas_queue_fake_sense(uas, tag, sense_code_OVERLAPPED_COMMANDS); 7400f58f68bSGerd Hoffmann return; 7410f58f68bSGerd Hoffmann 7420f58f68bSGerd Hoffmann bad_target: 743d4bfc7b9SHans de Goede usb_uas_queue_fake_sense(uas, tag, sense_code_LUN_NOT_SUPPORTED); 7440f58f68bSGerd Hoffmann g_free(req); 7450f58f68bSGerd Hoffmann } 7460f58f68bSGerd Hoffmann 7475007c940SHans de Goede static void usb_uas_task(UASDevice *uas, uas_iu *iu) 7480f58f68bSGerd Hoffmann { 7495007c940SHans de Goede uint16_t tag = be16_to_cpu(iu->hdr.tag); 7505007c940SHans de Goede uint64_t lun64 = be64_to_cpu(iu->task.lun); 7510f58f68bSGerd Hoffmann SCSIDevice *dev = usb_uas_get_dev(uas, lun64); 7520f58f68bSGerd Hoffmann int lun = usb_uas_get_lun(lun64); 7530f58f68bSGerd Hoffmann UASRequest *req; 7540f58f68bSGerd Hoffmann uint16_t task_tag; 7550f58f68bSGerd Hoffmann 7563453f9a0SHans de Goede if (uas_using_streams(uas) && tag > UAS_MAX_STREAMS) { 7573453f9a0SHans de Goede goto invalid_tag; 7583453f9a0SHans de Goede } 7595007c940SHans de Goede req = usb_uas_find_request(uas, be16_to_cpu(iu->hdr.tag)); 7600f58f68bSGerd Hoffmann if (req) { 7610f58f68bSGerd Hoffmann goto overlapped_tag; 7620f58f68bSGerd Hoffmann } 7635eb6d9e3SHans de Goede if (dev == NULL) { 7645eb6d9e3SHans de Goede goto incorrect_lun; 7655eb6d9e3SHans de Goede } 7660f58f68bSGerd Hoffmann 7675007c940SHans de Goede switch (iu->task.function) { 7680f58f68bSGerd Hoffmann case UAS_TMF_ABORT_TASK: 7695007c940SHans de Goede task_tag = be16_to_cpu(iu->task.task_tag); 7700f58f68bSGerd Hoffmann trace_usb_uas_tmf_abort_task(uas->dev.addr, tag, task_tag); 7710f58f68bSGerd Hoffmann req = usb_uas_find_request(uas, task_tag); 7720f58f68bSGerd Hoffmann if (req && req->dev == dev) { 7730f58f68bSGerd Hoffmann scsi_req_cancel(req->req); 7740f58f68bSGerd Hoffmann } 77549cfa2fdSHans de Goede usb_uas_queue_response(uas, tag, UAS_RC_TMF_COMPLETE); 7760f58f68bSGerd Hoffmann break; 7770f58f68bSGerd Hoffmann 7780f58f68bSGerd Hoffmann case UAS_TMF_LOGICAL_UNIT_RESET: 7790f58f68bSGerd Hoffmann trace_usb_uas_tmf_logical_unit_reset(uas->dev.addr, tag, lun); 7800f58f68bSGerd Hoffmann qdev_reset_all(&dev->qdev); 78149cfa2fdSHans de Goede usb_uas_queue_response(uas, tag, UAS_RC_TMF_COMPLETE); 7820f58f68bSGerd Hoffmann break; 7830f58f68bSGerd Hoffmann 7840f58f68bSGerd Hoffmann default: 7855007c940SHans de Goede trace_usb_uas_tmf_unsupported(uas->dev.addr, tag, iu->task.function); 78649cfa2fdSHans de Goede usb_uas_queue_response(uas, tag, UAS_RC_TMF_NOT_SUPPORTED); 7870f58f68bSGerd Hoffmann break; 7880f58f68bSGerd Hoffmann } 7890f58f68bSGerd Hoffmann return; 7900f58f68bSGerd Hoffmann 7913453f9a0SHans de Goede invalid_tag: 79249cfa2fdSHans de Goede usb_uas_queue_response(uas, tag, UAS_RC_INVALID_INFO_UNIT); 7933453f9a0SHans de Goede return; 7943453f9a0SHans de Goede 7950f58f68bSGerd Hoffmann overlapped_tag: 79649cfa2fdSHans de Goede usb_uas_queue_response(uas, req->tag, UAS_RC_OVERLAPPED_TAG); 7970f58f68bSGerd Hoffmann return; 7980f58f68bSGerd Hoffmann 7990f58f68bSGerd Hoffmann incorrect_lun: 80049cfa2fdSHans de Goede usb_uas_queue_response(uas, tag, UAS_RC_INCORRECT_LUN); 8010f58f68bSGerd Hoffmann } 8020f58f68bSGerd Hoffmann 8039a77a0f5SHans de Goede static void usb_uas_handle_data(USBDevice *dev, USBPacket *p) 8040f58f68bSGerd Hoffmann { 8050b06d099SGonglei UASDevice *uas = USB_UAS(dev); 8065007c940SHans de Goede uas_iu iu; 8070f58f68bSGerd Hoffmann UASStatus *st; 8080f58f68bSGerd Hoffmann UASRequest *req; 8099a77a0f5SHans de Goede int length; 8100f58f68bSGerd Hoffmann 8110f58f68bSGerd Hoffmann switch (p->ep->nr) { 8120f58f68bSGerd Hoffmann case UAS_PIPE_ID_COMMAND: 8135007c940SHans de Goede length = MIN(sizeof(iu), p->iov.size); 8145007c940SHans de Goede usb_packet_copy(p, &iu, length); 8155007c940SHans de Goede switch (iu.hdr.id) { 8160f58f68bSGerd Hoffmann case UAS_UI_COMMAND: 8175007c940SHans de Goede usb_uas_command(uas, &iu); 8180f58f68bSGerd Hoffmann break; 8190f58f68bSGerd Hoffmann case UAS_UI_TASK_MGMT: 8205007c940SHans de Goede usb_uas_task(uas, &iu); 8210f58f68bSGerd Hoffmann break; 8220f58f68bSGerd Hoffmann default: 8236b7afb7fSGonglei error_report("%s: unknown command iu: id 0x%x", 8245007c940SHans de Goede __func__, iu.hdr.id); 8259a77a0f5SHans de Goede p->status = USB_RET_STALL; 8260f58f68bSGerd Hoffmann break; 8270f58f68bSGerd Hoffmann } 8280f58f68bSGerd Hoffmann break; 8290f58f68bSGerd Hoffmann case UAS_PIPE_ID_STATUS: 83089a453d4SGerd Hoffmann if (p->stream) { 83189a453d4SGerd Hoffmann QTAILQ_FOREACH(st, &uas->results, next) { 83289a453d4SGerd Hoffmann if (st->stream == p->stream) { 83389a453d4SGerd Hoffmann break; 83489a453d4SGerd Hoffmann } 83589a453d4SGerd Hoffmann } 8360f58f68bSGerd Hoffmann if (st == NULL) { 83789a453d4SGerd Hoffmann assert(uas->status3[p->stream] == NULL); 83889a453d4SGerd Hoffmann uas->status3[p->stream] = p; 8399a77a0f5SHans de Goede p->status = USB_RET_ASYNC; 8400f58f68bSGerd Hoffmann break; 8410f58f68bSGerd Hoffmann } 84289a453d4SGerd Hoffmann } else { 84389a453d4SGerd Hoffmann st = QTAILQ_FIRST(&uas->results); 84489a453d4SGerd Hoffmann if (st == NULL) { 84589a453d4SGerd Hoffmann assert(uas->status2 == NULL); 84689a453d4SGerd Hoffmann uas->status2 = p; 84789a453d4SGerd Hoffmann p->status = USB_RET_ASYNC; 84889a453d4SGerd Hoffmann break; 84989a453d4SGerd Hoffmann } 85089a453d4SGerd Hoffmann } 8510f58f68bSGerd Hoffmann usb_packet_copy(p, &st->status, st->length); 8520f58f68bSGerd Hoffmann QTAILQ_REMOVE(&uas->results, st, next); 8530f58f68bSGerd Hoffmann g_free(st); 8540f58f68bSGerd Hoffmann break; 8550f58f68bSGerd Hoffmann case UAS_PIPE_ID_DATA_IN: 8560f58f68bSGerd Hoffmann case UAS_PIPE_ID_DATA_OUT: 85789a453d4SGerd Hoffmann if (p->stream) { 85889a453d4SGerd Hoffmann req = usb_uas_find_request(uas, p->stream); 85989a453d4SGerd Hoffmann } else { 86089a453d4SGerd Hoffmann req = (p->ep->nr == UAS_PIPE_ID_DATA_IN) 86189a453d4SGerd Hoffmann ? uas->datain2 : uas->dataout2; 86289a453d4SGerd Hoffmann } 8630f58f68bSGerd Hoffmann if (req == NULL) { 86489a453d4SGerd Hoffmann if (p->stream) { 86589a453d4SGerd Hoffmann assert(uas->data3[p->stream] == NULL); 86689a453d4SGerd Hoffmann uas->data3[p->stream] = p; 86789a453d4SGerd Hoffmann p->status = USB_RET_ASYNC; 86889a453d4SGerd Hoffmann break; 86989a453d4SGerd Hoffmann } else { 8706b7afb7fSGonglei error_report("%s: no inflight request", __func__); 8719a77a0f5SHans de Goede p->status = USB_RET_STALL; 8720f58f68bSGerd Hoffmann break; 8730f58f68bSGerd Hoffmann } 87489a453d4SGerd Hoffmann } 8750f58f68bSGerd Hoffmann scsi_req_ref(req->req); 8760f58f68bSGerd Hoffmann req->data = p; 8770f58f68bSGerd Hoffmann usb_uas_copy_data(req); 8789a77a0f5SHans de Goede if (p->actual_length == p->iov.size || req->complete) { 8790f58f68bSGerd Hoffmann req->data = NULL; 8800f58f68bSGerd Hoffmann } else { 8810f58f68bSGerd Hoffmann req->data_async = true; 8829a77a0f5SHans de Goede p->status = USB_RET_ASYNC; 8830f58f68bSGerd Hoffmann } 8840f58f68bSGerd Hoffmann scsi_req_unref(req->req); 8850f58f68bSGerd Hoffmann usb_uas_start_next_transfer(uas); 8860f58f68bSGerd Hoffmann break; 8870f58f68bSGerd Hoffmann default: 8886b7afb7fSGonglei error_report("%s: invalid endpoint %d", __func__, p->ep->nr); 8899a77a0f5SHans de Goede p->status = USB_RET_STALL; 8900f58f68bSGerd Hoffmann break; 8910f58f68bSGerd Hoffmann } 8920f58f68bSGerd Hoffmann } 8930f58f68bSGerd Hoffmann 894c4fe9700SMarc-André Lureau static void usb_uas_unrealize(USBDevice *dev, Error **errp) 8950f58f68bSGerd Hoffmann { 8960b06d099SGonglei UASDevice *uas = USB_UAS(dev); 8970f58f68bSGerd Hoffmann 8980f58f68bSGerd Hoffmann qemu_bh_delete(uas->status_bh); 899cd7bc878SMarc-André Lureau 900cd7bc878SMarc-André Lureau object_unref(OBJECT(&uas->bus)); 9010f58f68bSGerd Hoffmann } 9020f58f68bSGerd Hoffmann 903b89dc7e3SGonglei static void usb_uas_realize(USBDevice *dev, Error **errp) 9040f58f68bSGerd Hoffmann { 9050b06d099SGonglei UASDevice *uas = USB_UAS(dev); 9060d4cf3e7SGerd Hoffmann DeviceState *d = DEVICE(dev); 9070f58f68bSGerd Hoffmann 9080f58f68bSGerd Hoffmann usb_desc_create_serial(dev); 9090f58f68bSGerd Hoffmann usb_desc_init(dev); 9100d4cf3e7SGerd Hoffmann if (d->hotplugged) { 9110d4cf3e7SGerd Hoffmann uas->dev.auto_attach = 0; 9120d4cf3e7SGerd Hoffmann } 9130f58f68bSGerd Hoffmann 9140f58f68bSGerd Hoffmann QTAILQ_INIT(&uas->results); 9150f58f68bSGerd Hoffmann QTAILQ_INIT(&uas->requests); 9160f58f68bSGerd Hoffmann uas->status_bh = qemu_bh_new(usb_uas_send_status_bh, uas); 9170f58f68bSGerd Hoffmann 918b1187b51SAndreas Färber scsi_bus_new(&uas->bus, sizeof(uas->bus), DEVICE(dev), 919b1187b51SAndreas Färber &usb_uas_scsi_info, NULL); 9200f58f68bSGerd Hoffmann } 9210f58f68bSGerd Hoffmann 9220f58f68bSGerd Hoffmann static const VMStateDescription vmstate_usb_uas = { 9230f58f68bSGerd Hoffmann .name = "usb-uas", 9240f58f68bSGerd Hoffmann .unmigratable = 1, 9250f58f68bSGerd Hoffmann .fields = (VMStateField[]) { 9260f58f68bSGerd Hoffmann VMSTATE_USB_DEVICE(dev, UASDevice), 9270f58f68bSGerd Hoffmann VMSTATE_END_OF_LIST() 9280f58f68bSGerd Hoffmann } 9290f58f68bSGerd Hoffmann }; 9300f58f68bSGerd Hoffmann 9311556a8fcSGerd Hoffmann static Property uas_properties[] = { 9321556a8fcSGerd Hoffmann DEFINE_PROP_UINT32("log-scsi-req", UASDevice, requestlog, 0), 9331556a8fcSGerd Hoffmann DEFINE_PROP_END_OF_LIST(), 9341556a8fcSGerd Hoffmann }; 9351556a8fcSGerd Hoffmann 9360f58f68bSGerd Hoffmann static void usb_uas_class_initfn(ObjectClass *klass, void *data) 9370f58f68bSGerd Hoffmann { 9380f58f68bSGerd Hoffmann DeviceClass *dc = DEVICE_CLASS(klass); 9390f58f68bSGerd Hoffmann USBDeviceClass *uc = USB_DEVICE_CLASS(klass); 9400f58f68bSGerd Hoffmann 941b89dc7e3SGonglei uc->realize = usb_uas_realize; 9420f58f68bSGerd Hoffmann uc->product_desc = desc_strings[STR_PRODUCT]; 9430f58f68bSGerd Hoffmann uc->usb_desc = &desc; 9440f58f68bSGerd Hoffmann uc->cancel_packet = usb_uas_cancel_io; 9450f58f68bSGerd Hoffmann uc->handle_attach = usb_desc_attach; 9460f58f68bSGerd Hoffmann uc->handle_reset = usb_uas_handle_reset; 9470f58f68bSGerd Hoffmann uc->handle_control = usb_uas_handle_control; 9480f58f68bSGerd Hoffmann uc->handle_data = usb_uas_handle_data; 949c4fe9700SMarc-André Lureau uc->unrealize = usb_uas_unrealize; 9500d4cf3e7SGerd Hoffmann uc->attached_settable = true; 951125ee0edSMarcel Apfelbaum set_bit(DEVICE_CATEGORY_STORAGE, dc->categories); 9520f58f68bSGerd Hoffmann dc->fw_name = "storage"; 9530f58f68bSGerd Hoffmann dc->vmsd = &vmstate_usb_uas; 9541556a8fcSGerd Hoffmann dc->props = uas_properties; 9550f58f68bSGerd Hoffmann } 9560f58f68bSGerd Hoffmann 9578c43a6f0SAndreas Färber static const TypeInfo uas_info = { 9580b06d099SGonglei .name = TYPE_USB_UAS, 9590f58f68bSGerd Hoffmann .parent = TYPE_USB_DEVICE, 9600f58f68bSGerd Hoffmann .instance_size = sizeof(UASDevice), 9610f58f68bSGerd Hoffmann .class_init = usb_uas_class_initfn, 9620f58f68bSGerd Hoffmann }; 9630f58f68bSGerd Hoffmann 9640f58f68bSGerd Hoffmann static void usb_uas_register_types(void) 9650f58f68bSGerd Hoffmann { 9660f58f68bSGerd Hoffmann type_register_static(&uas_info); 9670f58f68bSGerd Hoffmann } 9680f58f68bSGerd Hoffmann 9690f58f68bSGerd Hoffmann type_init(usb_uas_register_types) 970