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 120f58f68bSGerd Hoffmann #include "qemu-common.h" 131de7afc9SPaolo Bonzini #include "qemu/option.h" 141de7afc9SPaolo Bonzini #include "qemu/config-file.h" 150f58f68bSGerd Hoffmann #include "trace.h" 160f58f68bSGerd Hoffmann 170f58f68bSGerd Hoffmann #include "hw/usb.h" 180f58f68bSGerd Hoffmann #include "hw/usb/desc.h" 190d09e41aSPaolo Bonzini #include "hw/scsi/scsi.h" 200d09e41aSPaolo Bonzini #include "block/scsi.h" 210f58f68bSGerd Hoffmann 220f58f68bSGerd Hoffmann /* --------------------------------------------------------------------- */ 230f58f68bSGerd Hoffmann 240f58f68bSGerd Hoffmann #define UAS_UI_COMMAND 0x01 250f58f68bSGerd Hoffmann #define UAS_UI_SENSE 0x03 260f58f68bSGerd Hoffmann #define UAS_UI_RESPONSE 0x04 270f58f68bSGerd Hoffmann #define UAS_UI_TASK_MGMT 0x05 280f58f68bSGerd Hoffmann #define UAS_UI_READ_READY 0x06 290f58f68bSGerd Hoffmann #define UAS_UI_WRITE_READY 0x07 300f58f68bSGerd Hoffmann 310f58f68bSGerd Hoffmann #define UAS_RC_TMF_COMPLETE 0x00 320f58f68bSGerd Hoffmann #define UAS_RC_INVALID_INFO_UNIT 0x02 330f58f68bSGerd Hoffmann #define UAS_RC_TMF_NOT_SUPPORTED 0x04 340f58f68bSGerd Hoffmann #define UAS_RC_TMF_FAILED 0x05 350f58f68bSGerd Hoffmann #define UAS_RC_TMF_SUCCEEDED 0x08 360f58f68bSGerd Hoffmann #define UAS_RC_INCORRECT_LUN 0x09 370f58f68bSGerd Hoffmann #define UAS_RC_OVERLAPPED_TAG 0x0a 380f58f68bSGerd Hoffmann 390f58f68bSGerd Hoffmann #define UAS_TMF_ABORT_TASK 0x01 400f58f68bSGerd Hoffmann #define UAS_TMF_ABORT_TASK_SET 0x02 410f58f68bSGerd Hoffmann #define UAS_TMF_CLEAR_TASK_SET 0x04 420f58f68bSGerd Hoffmann #define UAS_TMF_LOGICAL_UNIT_RESET 0x08 430f58f68bSGerd Hoffmann #define UAS_TMF_I_T_NEXUS_RESET 0x10 440f58f68bSGerd Hoffmann #define UAS_TMF_CLEAR_ACA 0x40 450f58f68bSGerd Hoffmann #define UAS_TMF_QUERY_TASK 0x80 460f58f68bSGerd Hoffmann #define UAS_TMF_QUERY_TASK_SET 0x81 470f58f68bSGerd Hoffmann #define UAS_TMF_QUERY_ASYNC_EVENT 0x82 480f58f68bSGerd Hoffmann 490f58f68bSGerd Hoffmann #define UAS_PIPE_ID_COMMAND 0x01 500f58f68bSGerd Hoffmann #define UAS_PIPE_ID_STATUS 0x02 510f58f68bSGerd Hoffmann #define UAS_PIPE_ID_DATA_IN 0x03 520f58f68bSGerd Hoffmann #define UAS_PIPE_ID_DATA_OUT 0x04 530f58f68bSGerd Hoffmann 540f58f68bSGerd Hoffmann typedef struct { 550f58f68bSGerd Hoffmann uint8_t id; 560f58f68bSGerd Hoffmann uint8_t reserved; 570f58f68bSGerd Hoffmann uint16_t tag; 58*5007c940SHans de Goede } QEMU_PACKED uas_iu_header; 590f58f68bSGerd Hoffmann 600f58f68bSGerd Hoffmann typedef struct { 610f58f68bSGerd Hoffmann uint8_t prio_taskattr; /* 6:3 priority, 2:0 task attribute */ 620f58f68bSGerd Hoffmann uint8_t reserved_1; 630f58f68bSGerd Hoffmann uint8_t add_cdb_length; /* 7:2 additional adb length (dwords) */ 640f58f68bSGerd Hoffmann uint8_t reserved_2; 650f58f68bSGerd Hoffmann uint64_t lun; 660f58f68bSGerd Hoffmann uint8_t cdb[16]; 670f58f68bSGerd Hoffmann uint8_t add_cdb[]; 68*5007c940SHans de Goede } QEMU_PACKED uas_iu_command; 690f58f68bSGerd Hoffmann 700f58f68bSGerd Hoffmann typedef struct { 710f58f68bSGerd Hoffmann uint16_t status_qualifier; 720f58f68bSGerd Hoffmann uint8_t status; 730f58f68bSGerd Hoffmann uint8_t reserved[7]; 740f58f68bSGerd Hoffmann uint16_t sense_length; 750f58f68bSGerd Hoffmann uint8_t sense_data[18]; 76*5007c940SHans de Goede } QEMU_PACKED uas_iu_sense; 770f58f68bSGerd Hoffmann 780f58f68bSGerd Hoffmann typedef struct { 7949cfa2fdSHans de Goede uint8_t add_response_info[3]; 800f58f68bSGerd Hoffmann uint8_t response_code; 81*5007c940SHans de Goede } QEMU_PACKED uas_iu_response; 820f58f68bSGerd Hoffmann 830f58f68bSGerd Hoffmann typedef struct { 840f58f68bSGerd Hoffmann uint8_t function; 850f58f68bSGerd Hoffmann uint8_t reserved; 860f58f68bSGerd Hoffmann uint16_t task_tag; 870f58f68bSGerd Hoffmann uint64_t lun; 88*5007c940SHans de Goede } QEMU_PACKED uas_iu_task_mgmt; 890f58f68bSGerd Hoffmann 900f58f68bSGerd Hoffmann typedef struct { 91*5007c940SHans de Goede uas_iu_header hdr; 920f58f68bSGerd Hoffmann union { 93*5007c940SHans de Goede uas_iu_command command; 94*5007c940SHans de Goede uas_iu_sense sense; 95*5007c940SHans de Goede uas_iu_task_mgmt task; 96*5007c940SHans de Goede uas_iu_response response; 970f58f68bSGerd Hoffmann }; 98*5007c940SHans de Goede } QEMU_PACKED uas_iu; 990f58f68bSGerd Hoffmann 1000f58f68bSGerd Hoffmann /* --------------------------------------------------------------------- */ 1010f58f68bSGerd Hoffmann 10289a453d4SGerd Hoffmann #define UAS_STREAM_BM_ATTR 4 10389a453d4SGerd Hoffmann #define UAS_MAX_STREAMS (1 << UAS_STREAM_BM_ATTR) 10489a453d4SGerd Hoffmann 1050f58f68bSGerd Hoffmann typedef struct UASDevice UASDevice; 1060f58f68bSGerd Hoffmann typedef struct UASRequest UASRequest; 1070f58f68bSGerd Hoffmann typedef struct UASStatus UASStatus; 1080f58f68bSGerd Hoffmann 1090f58f68bSGerd Hoffmann struct UASDevice { 1100f58f68bSGerd Hoffmann USBDevice dev; 1110f58f68bSGerd Hoffmann SCSIBus bus; 1120f58f68bSGerd Hoffmann QEMUBH *status_bh; 1130f58f68bSGerd Hoffmann QTAILQ_HEAD(, UASStatus) results; 1140f58f68bSGerd Hoffmann QTAILQ_HEAD(, UASRequest) requests; 11589a453d4SGerd Hoffmann 1161556a8fcSGerd Hoffmann /* properties */ 1171556a8fcSGerd Hoffmann uint32_t requestlog; 1181556a8fcSGerd Hoffmann 11989a453d4SGerd Hoffmann /* usb 2.0 only */ 12089a453d4SGerd Hoffmann USBPacket *status2; 12189a453d4SGerd Hoffmann UASRequest *datain2; 12289a453d4SGerd Hoffmann UASRequest *dataout2; 12389a453d4SGerd Hoffmann 12489a453d4SGerd Hoffmann /* usb 3.0 only */ 1250478661eSHans de Goede USBPacket *data3[UAS_MAX_STREAMS + 1]; 1260478661eSHans de Goede USBPacket *status3[UAS_MAX_STREAMS + 1]; 1270f58f68bSGerd Hoffmann }; 1280f58f68bSGerd Hoffmann 1290f58f68bSGerd Hoffmann struct UASRequest { 1300f58f68bSGerd Hoffmann uint16_t tag; 1310f58f68bSGerd Hoffmann uint64_t lun; 1320f58f68bSGerd Hoffmann UASDevice *uas; 1330f58f68bSGerd Hoffmann SCSIDevice *dev; 1340f58f68bSGerd Hoffmann SCSIRequest *req; 1350f58f68bSGerd Hoffmann USBPacket *data; 1360f58f68bSGerd Hoffmann bool data_async; 1370f58f68bSGerd Hoffmann bool active; 1380f58f68bSGerd Hoffmann bool complete; 1390f58f68bSGerd Hoffmann uint32_t buf_off; 1400f58f68bSGerd Hoffmann uint32_t buf_size; 1410f58f68bSGerd Hoffmann uint32_t data_off; 1420f58f68bSGerd Hoffmann uint32_t data_size; 1430f58f68bSGerd Hoffmann QTAILQ_ENTRY(UASRequest) next; 1440f58f68bSGerd Hoffmann }; 1450f58f68bSGerd Hoffmann 1460f58f68bSGerd Hoffmann struct UASStatus { 14789a453d4SGerd Hoffmann uint32_t stream; 148*5007c940SHans de Goede uas_iu status; 1490f58f68bSGerd Hoffmann uint32_t length; 1500f58f68bSGerd Hoffmann QTAILQ_ENTRY(UASStatus) next; 1510f58f68bSGerd Hoffmann }; 1520f58f68bSGerd Hoffmann 1530f58f68bSGerd Hoffmann /* --------------------------------------------------------------------- */ 1540f58f68bSGerd Hoffmann 1550f58f68bSGerd Hoffmann enum { 1560f58f68bSGerd Hoffmann STR_MANUFACTURER = 1, 1570f58f68bSGerd Hoffmann STR_PRODUCT, 1580f58f68bSGerd Hoffmann STR_SERIALNUMBER, 1590f58f68bSGerd Hoffmann STR_CONFIG_HIGH, 16089a453d4SGerd Hoffmann STR_CONFIG_SUPER, 1610f58f68bSGerd Hoffmann }; 1620f58f68bSGerd Hoffmann 1630f58f68bSGerd Hoffmann static const USBDescStrings desc_strings = { 1640f58f68bSGerd Hoffmann [STR_MANUFACTURER] = "QEMU", 1650f58f68bSGerd Hoffmann [STR_PRODUCT] = "USB Attached SCSI HBA", 1660f58f68bSGerd Hoffmann [STR_SERIALNUMBER] = "27842", 1670f58f68bSGerd Hoffmann [STR_CONFIG_HIGH] = "High speed config (usb 2.0)", 16889a453d4SGerd Hoffmann [STR_CONFIG_SUPER] = "Super speed config (usb 3.0)", 1690f58f68bSGerd Hoffmann }; 1700f58f68bSGerd Hoffmann 1710f58f68bSGerd Hoffmann static const USBDescIface desc_iface_high = { 1720f58f68bSGerd Hoffmann .bInterfaceNumber = 0, 1730f58f68bSGerd Hoffmann .bNumEndpoints = 4, 1740f58f68bSGerd Hoffmann .bInterfaceClass = USB_CLASS_MASS_STORAGE, 1750f58f68bSGerd Hoffmann .bInterfaceSubClass = 0x06, /* SCSI */ 1760f58f68bSGerd Hoffmann .bInterfaceProtocol = 0x62, /* UAS */ 1770f58f68bSGerd Hoffmann .eps = (USBDescEndpoint[]) { 1780f58f68bSGerd Hoffmann { 1790f58f68bSGerd Hoffmann .bEndpointAddress = USB_DIR_OUT | UAS_PIPE_ID_COMMAND, 1800f58f68bSGerd Hoffmann .bmAttributes = USB_ENDPOINT_XFER_BULK, 1810f58f68bSGerd Hoffmann .wMaxPacketSize = 512, 1820f58f68bSGerd Hoffmann .extra = (uint8_t[]) { 1830f58f68bSGerd Hoffmann 0x04, /* u8 bLength */ 1840f58f68bSGerd Hoffmann 0x24, /* u8 bDescriptorType */ 1850f58f68bSGerd Hoffmann UAS_PIPE_ID_COMMAND, 1860f58f68bSGerd Hoffmann 0x00, /* u8 bReserved */ 1870f58f68bSGerd Hoffmann }, 1880f58f68bSGerd Hoffmann },{ 1890f58f68bSGerd Hoffmann .bEndpointAddress = USB_DIR_IN | UAS_PIPE_ID_STATUS, 1900f58f68bSGerd Hoffmann .bmAttributes = USB_ENDPOINT_XFER_BULK, 1910f58f68bSGerd Hoffmann .wMaxPacketSize = 512, 1920f58f68bSGerd Hoffmann .extra = (uint8_t[]) { 1930f58f68bSGerd Hoffmann 0x04, /* u8 bLength */ 1940f58f68bSGerd Hoffmann 0x24, /* u8 bDescriptorType */ 1950f58f68bSGerd Hoffmann UAS_PIPE_ID_STATUS, 1960f58f68bSGerd Hoffmann 0x00, /* u8 bReserved */ 1970f58f68bSGerd Hoffmann }, 1980f58f68bSGerd Hoffmann },{ 1990f58f68bSGerd Hoffmann .bEndpointAddress = USB_DIR_IN | UAS_PIPE_ID_DATA_IN, 2000f58f68bSGerd Hoffmann .bmAttributes = USB_ENDPOINT_XFER_BULK, 2010f58f68bSGerd Hoffmann .wMaxPacketSize = 512, 2020f58f68bSGerd Hoffmann .extra = (uint8_t[]) { 2030f58f68bSGerd Hoffmann 0x04, /* u8 bLength */ 2040f58f68bSGerd Hoffmann 0x24, /* u8 bDescriptorType */ 2050f58f68bSGerd Hoffmann UAS_PIPE_ID_DATA_IN, 2060f58f68bSGerd Hoffmann 0x00, /* u8 bReserved */ 2070f58f68bSGerd Hoffmann }, 2080f58f68bSGerd Hoffmann },{ 2090f58f68bSGerd Hoffmann .bEndpointAddress = USB_DIR_OUT | UAS_PIPE_ID_DATA_OUT, 2100f58f68bSGerd Hoffmann .bmAttributes = USB_ENDPOINT_XFER_BULK, 2110f58f68bSGerd Hoffmann .wMaxPacketSize = 512, 2120f58f68bSGerd Hoffmann .extra = (uint8_t[]) { 2130f58f68bSGerd Hoffmann 0x04, /* u8 bLength */ 2140f58f68bSGerd Hoffmann 0x24, /* u8 bDescriptorType */ 2150f58f68bSGerd Hoffmann UAS_PIPE_ID_DATA_OUT, 2160f58f68bSGerd Hoffmann 0x00, /* u8 bReserved */ 2170f58f68bSGerd Hoffmann }, 2180f58f68bSGerd Hoffmann }, 2190f58f68bSGerd Hoffmann } 2200f58f68bSGerd Hoffmann }; 2210f58f68bSGerd Hoffmann 22289a453d4SGerd Hoffmann static const USBDescIface desc_iface_super = { 22389a453d4SGerd Hoffmann .bInterfaceNumber = 0, 22489a453d4SGerd Hoffmann .bNumEndpoints = 4, 22589a453d4SGerd Hoffmann .bInterfaceClass = USB_CLASS_MASS_STORAGE, 22689a453d4SGerd Hoffmann .bInterfaceSubClass = 0x06, /* SCSI */ 22789a453d4SGerd Hoffmann .bInterfaceProtocol = 0x62, /* UAS */ 22889a453d4SGerd Hoffmann .eps = (USBDescEndpoint[]) { 22989a453d4SGerd Hoffmann { 23089a453d4SGerd Hoffmann .bEndpointAddress = USB_DIR_OUT | UAS_PIPE_ID_COMMAND, 23189a453d4SGerd Hoffmann .bmAttributes = USB_ENDPOINT_XFER_BULK, 23289a453d4SGerd Hoffmann .wMaxPacketSize = 1024, 23389a453d4SGerd Hoffmann .bMaxBurst = 15, 23489a453d4SGerd Hoffmann .extra = (uint8_t[]) { 23589a453d4SGerd Hoffmann 0x04, /* u8 bLength */ 23689a453d4SGerd Hoffmann 0x24, /* u8 bDescriptorType */ 23789a453d4SGerd Hoffmann UAS_PIPE_ID_COMMAND, 23889a453d4SGerd Hoffmann 0x00, /* u8 bReserved */ 23989a453d4SGerd Hoffmann }, 24089a453d4SGerd Hoffmann },{ 24189a453d4SGerd Hoffmann .bEndpointAddress = USB_DIR_IN | UAS_PIPE_ID_STATUS, 24289a453d4SGerd Hoffmann .bmAttributes = USB_ENDPOINT_XFER_BULK, 24389a453d4SGerd Hoffmann .wMaxPacketSize = 1024, 24489a453d4SGerd Hoffmann .bMaxBurst = 15, 24589a453d4SGerd Hoffmann .bmAttributes_super = UAS_STREAM_BM_ATTR, 24689a453d4SGerd Hoffmann .extra = (uint8_t[]) { 24789a453d4SGerd Hoffmann 0x04, /* u8 bLength */ 24889a453d4SGerd Hoffmann 0x24, /* u8 bDescriptorType */ 24989a453d4SGerd Hoffmann UAS_PIPE_ID_STATUS, 25089a453d4SGerd Hoffmann 0x00, /* u8 bReserved */ 25189a453d4SGerd Hoffmann }, 25289a453d4SGerd Hoffmann },{ 25389a453d4SGerd Hoffmann .bEndpointAddress = USB_DIR_IN | UAS_PIPE_ID_DATA_IN, 25489a453d4SGerd Hoffmann .bmAttributes = USB_ENDPOINT_XFER_BULK, 25589a453d4SGerd Hoffmann .wMaxPacketSize = 1024, 25689a453d4SGerd Hoffmann .bMaxBurst = 15, 25789a453d4SGerd Hoffmann .bmAttributes_super = UAS_STREAM_BM_ATTR, 25889a453d4SGerd Hoffmann .extra = (uint8_t[]) { 25989a453d4SGerd Hoffmann 0x04, /* u8 bLength */ 26089a453d4SGerd Hoffmann 0x24, /* u8 bDescriptorType */ 26189a453d4SGerd Hoffmann UAS_PIPE_ID_DATA_IN, 26289a453d4SGerd Hoffmann 0x00, /* u8 bReserved */ 26389a453d4SGerd Hoffmann }, 26489a453d4SGerd Hoffmann },{ 26589a453d4SGerd Hoffmann .bEndpointAddress = USB_DIR_OUT | UAS_PIPE_ID_DATA_OUT, 26689a453d4SGerd Hoffmann .bmAttributes = USB_ENDPOINT_XFER_BULK, 26789a453d4SGerd Hoffmann .wMaxPacketSize = 1024, 26889a453d4SGerd Hoffmann .bMaxBurst = 15, 26989a453d4SGerd Hoffmann .bmAttributes_super = UAS_STREAM_BM_ATTR, 27089a453d4SGerd Hoffmann .extra = (uint8_t[]) { 27189a453d4SGerd Hoffmann 0x04, /* u8 bLength */ 27289a453d4SGerd Hoffmann 0x24, /* u8 bDescriptorType */ 27389a453d4SGerd Hoffmann UAS_PIPE_ID_DATA_OUT, 27489a453d4SGerd Hoffmann 0x00, /* u8 bReserved */ 27589a453d4SGerd Hoffmann }, 27689a453d4SGerd Hoffmann }, 27789a453d4SGerd Hoffmann } 27889a453d4SGerd Hoffmann }; 27989a453d4SGerd Hoffmann 2800f58f68bSGerd Hoffmann static const USBDescDevice desc_device_high = { 2810f58f68bSGerd Hoffmann .bcdUSB = 0x0200, 2820f58f68bSGerd Hoffmann .bMaxPacketSize0 = 64, 2830f58f68bSGerd Hoffmann .bNumConfigurations = 1, 2840f58f68bSGerd Hoffmann .confs = (USBDescConfig[]) { 2850f58f68bSGerd Hoffmann { 2860f58f68bSGerd Hoffmann .bNumInterfaces = 1, 2870f58f68bSGerd Hoffmann .bConfigurationValue = 1, 2880f58f68bSGerd Hoffmann .iConfiguration = STR_CONFIG_HIGH, 2890f58f68bSGerd Hoffmann .bmAttributes = 0xc0, 2900f58f68bSGerd Hoffmann .nif = 1, 2910f58f68bSGerd Hoffmann .ifs = &desc_iface_high, 2920f58f68bSGerd Hoffmann }, 2930f58f68bSGerd Hoffmann }, 2940f58f68bSGerd Hoffmann }; 2950f58f68bSGerd Hoffmann 29689a453d4SGerd Hoffmann static const USBDescDevice desc_device_super = { 29789a453d4SGerd Hoffmann .bcdUSB = 0x0300, 29889a453d4SGerd Hoffmann .bMaxPacketSize0 = 64, 29989a453d4SGerd Hoffmann .bNumConfigurations = 1, 30089a453d4SGerd Hoffmann .confs = (USBDescConfig[]) { 30189a453d4SGerd Hoffmann { 30289a453d4SGerd Hoffmann .bNumInterfaces = 1, 30389a453d4SGerd Hoffmann .bConfigurationValue = 1, 30489a453d4SGerd Hoffmann .iConfiguration = STR_CONFIG_SUPER, 30589a453d4SGerd Hoffmann .bmAttributes = 0xc0, 30689a453d4SGerd Hoffmann .nif = 1, 30789a453d4SGerd Hoffmann .ifs = &desc_iface_super, 30889a453d4SGerd Hoffmann }, 30989a453d4SGerd Hoffmann }, 31089a453d4SGerd Hoffmann }; 31189a453d4SGerd Hoffmann 3120f58f68bSGerd Hoffmann static const USBDesc desc = { 3130f58f68bSGerd Hoffmann .id = { 3140f58f68bSGerd Hoffmann .idVendor = 0x46f4, /* CRC16() of "QEMU" */ 3150daf5304SGerd Hoffmann .idProduct = 0x0003, 3160f58f68bSGerd Hoffmann .bcdDevice = 0, 3170f58f68bSGerd Hoffmann .iManufacturer = STR_MANUFACTURER, 3180f58f68bSGerd Hoffmann .iProduct = STR_PRODUCT, 3190f58f68bSGerd Hoffmann .iSerialNumber = STR_SERIALNUMBER, 3200f58f68bSGerd Hoffmann }, 3210f58f68bSGerd Hoffmann .high = &desc_device_high, 32289a453d4SGerd Hoffmann .super = &desc_device_super, 3230f58f68bSGerd Hoffmann .str = desc_strings, 3240f58f68bSGerd Hoffmann }; 3250f58f68bSGerd Hoffmann 3260f58f68bSGerd Hoffmann /* --------------------------------------------------------------------- */ 3270f58f68bSGerd Hoffmann 32889a453d4SGerd Hoffmann static bool uas_using_streams(UASDevice *uas) 32989a453d4SGerd Hoffmann { 33089a453d4SGerd Hoffmann return uas->dev.speed == USB_SPEED_SUPER; 33189a453d4SGerd Hoffmann } 33289a453d4SGerd Hoffmann 33389a453d4SGerd Hoffmann /* --------------------------------------------------------------------- */ 33489a453d4SGerd Hoffmann 33589a453d4SGerd Hoffmann static UASStatus *usb_uas_alloc_status(UASDevice *uas, uint8_t id, uint16_t tag) 3360f58f68bSGerd Hoffmann { 3370f58f68bSGerd Hoffmann UASStatus *st = g_new0(UASStatus, 1); 3380f58f68bSGerd Hoffmann 3390f58f68bSGerd Hoffmann st->status.hdr.id = id; 3400f58f68bSGerd Hoffmann st->status.hdr.tag = cpu_to_be16(tag); 341*5007c940SHans de Goede st->length = sizeof(uas_iu_header); 34289a453d4SGerd Hoffmann if (uas_using_streams(uas)) { 34389a453d4SGerd Hoffmann st->stream = tag; 34489a453d4SGerd Hoffmann } 3450f58f68bSGerd Hoffmann return st; 3460f58f68bSGerd Hoffmann } 3470f58f68bSGerd Hoffmann 3480f58f68bSGerd Hoffmann static void usb_uas_send_status_bh(void *opaque) 3490f58f68bSGerd Hoffmann { 3500f58f68bSGerd Hoffmann UASDevice *uas = opaque; 35189a453d4SGerd Hoffmann UASStatus *st; 35289a453d4SGerd Hoffmann USBPacket *p; 3530f58f68bSGerd Hoffmann 35489a453d4SGerd Hoffmann while ((st = QTAILQ_FIRST(&uas->results)) != NULL) { 35589a453d4SGerd Hoffmann if (uas_using_streams(uas)) { 35689a453d4SGerd Hoffmann p = uas->status3[st->stream]; 35789a453d4SGerd Hoffmann uas->status3[st->stream] = NULL; 35889a453d4SGerd Hoffmann } else { 35989a453d4SGerd Hoffmann p = uas->status2; 36089a453d4SGerd Hoffmann uas->status2 = NULL; 36189a453d4SGerd Hoffmann } 36289a453d4SGerd Hoffmann if (p == NULL) { 36389a453d4SGerd Hoffmann break; 36489a453d4SGerd Hoffmann } 3650f58f68bSGerd Hoffmann 3660f58f68bSGerd Hoffmann usb_packet_copy(p, &st->status, st->length); 3670f58f68bSGerd Hoffmann QTAILQ_REMOVE(&uas->results, st, next); 3680f58f68bSGerd Hoffmann g_free(st); 3690f58f68bSGerd Hoffmann 3709a77a0f5SHans de Goede p->status = USB_RET_SUCCESS; /* Clear previous ASYNC status */ 3710f58f68bSGerd Hoffmann usb_packet_complete(&uas->dev, p); 3720f58f68bSGerd Hoffmann } 37389a453d4SGerd Hoffmann } 3740f58f68bSGerd Hoffmann 3750f58f68bSGerd Hoffmann static void usb_uas_queue_status(UASDevice *uas, UASStatus *st, int length) 3760f58f68bSGerd Hoffmann { 37789a453d4SGerd Hoffmann USBPacket *p = uas_using_streams(uas) ? 37889a453d4SGerd Hoffmann uas->status3[st->stream] : uas->status2; 37989a453d4SGerd Hoffmann 3800f58f68bSGerd Hoffmann st->length += length; 3810f58f68bSGerd Hoffmann QTAILQ_INSERT_TAIL(&uas->results, st, next); 38289a453d4SGerd Hoffmann if (p) { 3830f58f68bSGerd Hoffmann /* 3840f58f68bSGerd Hoffmann * Just schedule bh make sure any in-flight data transaction 3850f58f68bSGerd Hoffmann * is finished before completing (sending) the status packet. 3860f58f68bSGerd Hoffmann */ 3870f58f68bSGerd Hoffmann qemu_bh_schedule(uas->status_bh); 3880f58f68bSGerd Hoffmann } else { 3890f58f68bSGerd Hoffmann USBEndpoint *ep = usb_ep_get(&uas->dev, USB_TOKEN_IN, 3900f58f68bSGerd Hoffmann UAS_PIPE_ID_STATUS); 39189a453d4SGerd Hoffmann usb_wakeup(ep, st->stream); 3920f58f68bSGerd Hoffmann } 3930f58f68bSGerd Hoffmann } 3940f58f68bSGerd Hoffmann 39549cfa2fdSHans de Goede static void usb_uas_queue_response(UASDevice *uas, uint16_t tag, uint8_t code) 3960f58f68bSGerd Hoffmann { 39789a453d4SGerd Hoffmann UASStatus *st = usb_uas_alloc_status(uas, UAS_UI_RESPONSE, tag); 3980f58f68bSGerd Hoffmann 3990f58f68bSGerd Hoffmann trace_usb_uas_response(uas->dev.addr, tag, code); 4000f58f68bSGerd Hoffmann st->status.response.response_code = code; 401*5007c940SHans de Goede usb_uas_queue_status(uas, st, sizeof(uas_iu_response)); 4020f58f68bSGerd Hoffmann } 4030f58f68bSGerd Hoffmann 4040f58f68bSGerd Hoffmann static void usb_uas_queue_sense(UASRequest *req, uint8_t status) 4050f58f68bSGerd Hoffmann { 40689a453d4SGerd Hoffmann UASStatus *st = usb_uas_alloc_status(req->uas, UAS_UI_SENSE, req->tag); 4070f58f68bSGerd Hoffmann int len, slen = 0; 4080f58f68bSGerd Hoffmann 4090f58f68bSGerd Hoffmann trace_usb_uas_sense(req->uas->dev.addr, req->tag, status); 4100f58f68bSGerd Hoffmann st->status.sense.status = status; 4110f58f68bSGerd Hoffmann st->status.sense.status_qualifier = cpu_to_be16(0); 4120f58f68bSGerd Hoffmann if (status != GOOD) { 4130f58f68bSGerd Hoffmann slen = scsi_req_get_sense(req->req, st->status.sense.sense_data, 4140f58f68bSGerd Hoffmann sizeof(st->status.sense.sense_data)); 4150f58f68bSGerd Hoffmann st->status.sense.sense_length = cpu_to_be16(slen); 4160f58f68bSGerd Hoffmann } 417*5007c940SHans de Goede len = sizeof(uas_iu_sense) - sizeof(st->status.sense.sense_data) + slen; 4180f58f68bSGerd Hoffmann usb_uas_queue_status(req->uas, st, len); 4190f58f68bSGerd Hoffmann } 4200f58f68bSGerd Hoffmann 421d4bfc7b9SHans de Goede static void usb_uas_queue_fake_sense(UASDevice *uas, uint16_t tag, 422d4bfc7b9SHans de Goede struct SCSISense sense) 423d4bfc7b9SHans de Goede { 424d4bfc7b9SHans de Goede UASStatus *st = usb_uas_alloc_status(uas, UAS_UI_SENSE, tag); 425d4bfc7b9SHans de Goede int len, slen = 0; 426d4bfc7b9SHans de Goede 427d4bfc7b9SHans de Goede st->status.sense.status = CHECK_CONDITION; 428d4bfc7b9SHans de Goede st->status.sense.status_qualifier = cpu_to_be16(0); 429d4bfc7b9SHans de Goede st->status.sense.sense_data[0] = 0x70; 430d4bfc7b9SHans de Goede st->status.sense.sense_data[2] = sense.key; 431d4bfc7b9SHans de Goede st->status.sense.sense_data[7] = 10; 432d4bfc7b9SHans de Goede st->status.sense.sense_data[12] = sense.asc; 433d4bfc7b9SHans de Goede st->status.sense.sense_data[13] = sense.ascq; 434d4bfc7b9SHans de Goede slen = 18; 435*5007c940SHans de Goede len = sizeof(uas_iu_sense) - sizeof(st->status.sense.sense_data) + slen; 436d4bfc7b9SHans de Goede usb_uas_queue_status(uas, st, len); 437d4bfc7b9SHans de Goede } 438d4bfc7b9SHans de Goede 4390f58f68bSGerd Hoffmann static void usb_uas_queue_read_ready(UASRequest *req) 4400f58f68bSGerd Hoffmann { 44189a453d4SGerd Hoffmann UASStatus *st = usb_uas_alloc_status(req->uas, UAS_UI_READ_READY, 44289a453d4SGerd Hoffmann req->tag); 4430f58f68bSGerd Hoffmann 4440f58f68bSGerd Hoffmann trace_usb_uas_read_ready(req->uas->dev.addr, req->tag); 4450f58f68bSGerd Hoffmann usb_uas_queue_status(req->uas, st, 0); 4460f58f68bSGerd Hoffmann } 4470f58f68bSGerd Hoffmann 4480f58f68bSGerd Hoffmann static void usb_uas_queue_write_ready(UASRequest *req) 4490f58f68bSGerd Hoffmann { 45089a453d4SGerd Hoffmann UASStatus *st = usb_uas_alloc_status(req->uas, UAS_UI_WRITE_READY, 45189a453d4SGerd Hoffmann req->tag); 4520f58f68bSGerd Hoffmann 4530f58f68bSGerd Hoffmann trace_usb_uas_write_ready(req->uas->dev.addr, req->tag); 4540f58f68bSGerd Hoffmann usb_uas_queue_status(req->uas, st, 0); 4550f58f68bSGerd Hoffmann } 4560f58f68bSGerd Hoffmann 4570f58f68bSGerd Hoffmann /* --------------------------------------------------------------------- */ 4580f58f68bSGerd Hoffmann 4590f58f68bSGerd Hoffmann static int usb_uas_get_lun(uint64_t lun64) 4600f58f68bSGerd Hoffmann { 4610f58f68bSGerd Hoffmann return (lun64 >> 48) & 0xff; 4620f58f68bSGerd Hoffmann } 4630f58f68bSGerd Hoffmann 4640f58f68bSGerd Hoffmann static SCSIDevice *usb_uas_get_dev(UASDevice *uas, uint64_t lun64) 4650f58f68bSGerd Hoffmann { 4660f58f68bSGerd Hoffmann if ((lun64 >> 56) != 0x00) { 4670f58f68bSGerd Hoffmann return NULL; 4680f58f68bSGerd Hoffmann } 4690f58f68bSGerd Hoffmann return scsi_device_find(&uas->bus, 0, 0, usb_uas_get_lun(lun64)); 4700f58f68bSGerd Hoffmann } 4710f58f68bSGerd Hoffmann 4720f58f68bSGerd Hoffmann static void usb_uas_complete_data_packet(UASRequest *req) 4730f58f68bSGerd Hoffmann { 4740f58f68bSGerd Hoffmann USBPacket *p; 4750f58f68bSGerd Hoffmann 4760f58f68bSGerd Hoffmann if (!req->data_async) { 4770f58f68bSGerd Hoffmann return; 4780f58f68bSGerd Hoffmann } 4790f58f68bSGerd Hoffmann p = req->data; 4800f58f68bSGerd Hoffmann req->data = NULL; 4810f58f68bSGerd Hoffmann req->data_async = false; 4829a77a0f5SHans de Goede p->status = USB_RET_SUCCESS; /* Clear previous ASYNC status */ 4830f58f68bSGerd Hoffmann usb_packet_complete(&req->uas->dev, p); 4840f58f68bSGerd Hoffmann } 4850f58f68bSGerd Hoffmann 4860f58f68bSGerd Hoffmann static void usb_uas_copy_data(UASRequest *req) 4870f58f68bSGerd Hoffmann { 4880f58f68bSGerd Hoffmann uint32_t length; 4890f58f68bSGerd Hoffmann 4900f58f68bSGerd Hoffmann length = MIN(req->buf_size - req->buf_off, 4919a77a0f5SHans de Goede req->data->iov.size - req->data->actual_length); 4920f58f68bSGerd Hoffmann trace_usb_uas_xfer_data(req->uas->dev.addr, req->tag, length, 4939a77a0f5SHans de Goede req->data->actual_length, req->data->iov.size, 4940f58f68bSGerd Hoffmann req->buf_off, req->buf_size); 4950f58f68bSGerd Hoffmann usb_packet_copy(req->data, scsi_req_get_buf(req->req) + req->buf_off, 4960f58f68bSGerd Hoffmann length); 4970f58f68bSGerd Hoffmann req->buf_off += length; 4980f58f68bSGerd Hoffmann req->data_off += length; 4990f58f68bSGerd Hoffmann 5009a77a0f5SHans de Goede if (req->data->actual_length == req->data->iov.size) { 5010f58f68bSGerd Hoffmann usb_uas_complete_data_packet(req); 5020f58f68bSGerd Hoffmann } 5030f58f68bSGerd Hoffmann if (req->buf_size && req->buf_off == req->buf_size) { 5040f58f68bSGerd Hoffmann req->buf_off = 0; 5050f58f68bSGerd Hoffmann req->buf_size = 0; 5060f58f68bSGerd Hoffmann scsi_req_continue(req->req); 5070f58f68bSGerd Hoffmann } 5080f58f68bSGerd Hoffmann } 5090f58f68bSGerd Hoffmann 5100f58f68bSGerd Hoffmann static void usb_uas_start_next_transfer(UASDevice *uas) 5110f58f68bSGerd Hoffmann { 5120f58f68bSGerd Hoffmann UASRequest *req; 5130f58f68bSGerd Hoffmann 51489a453d4SGerd Hoffmann if (uas_using_streams(uas)) { 51589a453d4SGerd Hoffmann return; 51689a453d4SGerd Hoffmann } 51789a453d4SGerd Hoffmann 5180f58f68bSGerd Hoffmann QTAILQ_FOREACH(req, &uas->requests, next) { 5190f58f68bSGerd Hoffmann if (req->active || req->complete) { 5200f58f68bSGerd Hoffmann continue; 5210f58f68bSGerd Hoffmann } 52289a453d4SGerd Hoffmann if (req->req->cmd.mode == SCSI_XFER_FROM_DEV && uas->datain2 == NULL) { 52389a453d4SGerd Hoffmann uas->datain2 = req; 5240f58f68bSGerd Hoffmann usb_uas_queue_read_ready(req); 5250f58f68bSGerd Hoffmann req->active = true; 5260f58f68bSGerd Hoffmann return; 5270f58f68bSGerd Hoffmann } 52889a453d4SGerd Hoffmann if (req->req->cmd.mode == SCSI_XFER_TO_DEV && uas->dataout2 == NULL) { 52989a453d4SGerd Hoffmann uas->dataout2 = req; 5300f58f68bSGerd Hoffmann usb_uas_queue_write_ready(req); 5310f58f68bSGerd Hoffmann req->active = true; 5320f58f68bSGerd Hoffmann return; 5330f58f68bSGerd Hoffmann } 5340f58f68bSGerd Hoffmann } 5350f58f68bSGerd Hoffmann } 5360f58f68bSGerd Hoffmann 537*5007c940SHans de Goede static UASRequest *usb_uas_alloc_request(UASDevice *uas, uas_iu *iu) 5380f58f68bSGerd Hoffmann { 5390f58f68bSGerd Hoffmann UASRequest *req; 5400f58f68bSGerd Hoffmann 5410f58f68bSGerd Hoffmann req = g_new0(UASRequest, 1); 5420f58f68bSGerd Hoffmann req->uas = uas; 543*5007c940SHans de Goede req->tag = be16_to_cpu(iu->hdr.tag); 544*5007c940SHans de Goede req->lun = be64_to_cpu(iu->command.lun); 5450f58f68bSGerd Hoffmann req->dev = usb_uas_get_dev(req->uas, req->lun); 5460f58f68bSGerd Hoffmann return req; 5470f58f68bSGerd Hoffmann } 5480f58f68bSGerd Hoffmann 5490f58f68bSGerd Hoffmann static void usb_uas_scsi_free_request(SCSIBus *bus, void *priv) 5500f58f68bSGerd Hoffmann { 5510f58f68bSGerd Hoffmann UASRequest *req = priv; 5520f58f68bSGerd Hoffmann UASDevice *uas = req->uas; 5530f58f68bSGerd Hoffmann 55489a453d4SGerd Hoffmann if (req == uas->datain2) { 55589a453d4SGerd Hoffmann uas->datain2 = NULL; 5560f58f68bSGerd Hoffmann } 55789a453d4SGerd Hoffmann if (req == uas->dataout2) { 55889a453d4SGerd Hoffmann uas->dataout2 = NULL; 5590f58f68bSGerd Hoffmann } 5600f58f68bSGerd Hoffmann QTAILQ_REMOVE(&uas->requests, req, next); 5610f58f68bSGerd Hoffmann g_free(req); 562347e40ffSGerd Hoffmann usb_uas_start_next_transfer(uas); 5630f58f68bSGerd Hoffmann } 5640f58f68bSGerd Hoffmann 5650f58f68bSGerd Hoffmann static UASRequest *usb_uas_find_request(UASDevice *uas, uint16_t tag) 5660f58f68bSGerd Hoffmann { 5670f58f68bSGerd Hoffmann UASRequest *req; 5680f58f68bSGerd Hoffmann 5690f58f68bSGerd Hoffmann QTAILQ_FOREACH(req, &uas->requests, next) { 5700f58f68bSGerd Hoffmann if (req->tag == tag) { 5710f58f68bSGerd Hoffmann return req; 5720f58f68bSGerd Hoffmann } 5730f58f68bSGerd Hoffmann } 5740f58f68bSGerd Hoffmann return NULL; 5750f58f68bSGerd Hoffmann } 5760f58f68bSGerd Hoffmann 5770f58f68bSGerd Hoffmann static void usb_uas_scsi_transfer_data(SCSIRequest *r, uint32_t len) 5780f58f68bSGerd Hoffmann { 5790f58f68bSGerd Hoffmann UASRequest *req = r->hba_private; 5800f58f68bSGerd Hoffmann 5810f58f68bSGerd Hoffmann trace_usb_uas_scsi_data(req->uas->dev.addr, req->tag, len); 5820f58f68bSGerd Hoffmann req->buf_off = 0; 5830f58f68bSGerd Hoffmann req->buf_size = len; 5840f58f68bSGerd Hoffmann if (req->data) { 5850f58f68bSGerd Hoffmann usb_uas_copy_data(req); 5860f58f68bSGerd Hoffmann } else { 5870f58f68bSGerd Hoffmann usb_uas_start_next_transfer(req->uas); 5880f58f68bSGerd Hoffmann } 5890f58f68bSGerd Hoffmann } 5900f58f68bSGerd Hoffmann 5910f58f68bSGerd Hoffmann static void usb_uas_scsi_command_complete(SCSIRequest *r, 5920f58f68bSGerd Hoffmann uint32_t status, size_t resid) 5930f58f68bSGerd Hoffmann { 5940f58f68bSGerd Hoffmann UASRequest *req = r->hba_private; 5950f58f68bSGerd Hoffmann 5960f58f68bSGerd Hoffmann trace_usb_uas_scsi_complete(req->uas->dev.addr, req->tag, status, resid); 5970f58f68bSGerd Hoffmann req->complete = true; 5980f58f68bSGerd Hoffmann if (req->data) { 5990f58f68bSGerd Hoffmann usb_uas_complete_data_packet(req); 6000f58f68bSGerd Hoffmann } 6010f58f68bSGerd Hoffmann usb_uas_queue_sense(req, status); 6020f58f68bSGerd Hoffmann scsi_req_unref(req->req); 6030f58f68bSGerd Hoffmann } 6040f58f68bSGerd Hoffmann 6050f58f68bSGerd Hoffmann static void usb_uas_scsi_request_cancelled(SCSIRequest *r) 6060f58f68bSGerd Hoffmann { 6070f58f68bSGerd Hoffmann UASRequest *req = r->hba_private; 6080f58f68bSGerd Hoffmann 6090f58f68bSGerd Hoffmann /* FIXME: queue notification to status pipe? */ 6100f58f68bSGerd Hoffmann scsi_req_unref(req->req); 6110f58f68bSGerd Hoffmann } 6120f58f68bSGerd Hoffmann 6130f58f68bSGerd Hoffmann static const struct SCSIBusInfo usb_uas_scsi_info = { 6140f58f68bSGerd Hoffmann .tcq = true, 6150f58f68bSGerd Hoffmann .max_target = 0, 6160f58f68bSGerd Hoffmann .max_lun = 255, 6170f58f68bSGerd Hoffmann 6180f58f68bSGerd Hoffmann .transfer_data = usb_uas_scsi_transfer_data, 6190f58f68bSGerd Hoffmann .complete = usb_uas_scsi_command_complete, 6200f58f68bSGerd Hoffmann .cancel = usb_uas_scsi_request_cancelled, 6210f58f68bSGerd Hoffmann .free_request = usb_uas_scsi_free_request, 6220f58f68bSGerd Hoffmann }; 6230f58f68bSGerd Hoffmann 6240f58f68bSGerd Hoffmann /* --------------------------------------------------------------------- */ 6250f58f68bSGerd Hoffmann 6260f58f68bSGerd Hoffmann static void usb_uas_handle_reset(USBDevice *dev) 6270f58f68bSGerd Hoffmann { 6280f58f68bSGerd Hoffmann UASDevice *uas = DO_UPCAST(UASDevice, dev, dev); 6290f58f68bSGerd Hoffmann UASRequest *req, *nreq; 6300f58f68bSGerd Hoffmann UASStatus *st, *nst; 6310f58f68bSGerd Hoffmann 6320f58f68bSGerd Hoffmann trace_usb_uas_reset(dev->addr); 6330f58f68bSGerd Hoffmann QTAILQ_FOREACH_SAFE(req, &uas->requests, next, nreq) { 6340f58f68bSGerd Hoffmann scsi_req_cancel(req->req); 6350f58f68bSGerd Hoffmann } 6360f58f68bSGerd Hoffmann QTAILQ_FOREACH_SAFE(st, &uas->results, next, nst) { 6370f58f68bSGerd Hoffmann QTAILQ_REMOVE(&uas->results, st, next); 6380f58f68bSGerd Hoffmann g_free(st); 6390f58f68bSGerd Hoffmann } 6400f58f68bSGerd Hoffmann } 6410f58f68bSGerd Hoffmann 6429a77a0f5SHans de Goede static void usb_uas_handle_control(USBDevice *dev, USBPacket *p, 6430f58f68bSGerd Hoffmann int request, int value, int index, int length, uint8_t *data) 6440f58f68bSGerd Hoffmann { 6450f58f68bSGerd Hoffmann int ret; 6460f58f68bSGerd Hoffmann 6470f58f68bSGerd Hoffmann ret = usb_desc_handle_control(dev, p, request, value, index, length, data); 6480f58f68bSGerd Hoffmann if (ret >= 0) { 6499a77a0f5SHans de Goede return; 6500f58f68bSGerd Hoffmann } 6510f58f68bSGerd Hoffmann fprintf(stderr, "%s: unhandled control request\n", __func__); 6529a77a0f5SHans de Goede p->status = USB_RET_STALL; 6530f58f68bSGerd Hoffmann } 6540f58f68bSGerd Hoffmann 6550f58f68bSGerd Hoffmann static void usb_uas_cancel_io(USBDevice *dev, USBPacket *p) 6560f58f68bSGerd Hoffmann { 6570f58f68bSGerd Hoffmann UASDevice *uas = DO_UPCAST(UASDevice, dev, dev); 6580f58f68bSGerd Hoffmann UASRequest *req, *nreq; 65989a453d4SGerd Hoffmann int i; 6600f58f68bSGerd Hoffmann 66189a453d4SGerd Hoffmann if (uas->status2 == p) { 66289a453d4SGerd Hoffmann uas->status2 = NULL; 6630f58f68bSGerd Hoffmann qemu_bh_cancel(uas->status_bh); 6640f58f68bSGerd Hoffmann return; 6650f58f68bSGerd Hoffmann } 66689a453d4SGerd Hoffmann if (uas_using_streams(uas)) { 6670478661eSHans de Goede for (i = 0; i <= UAS_MAX_STREAMS; i++) { 66889a453d4SGerd Hoffmann if (uas->status3[i] == p) { 66989a453d4SGerd Hoffmann uas->status3[i] = NULL; 67089a453d4SGerd Hoffmann return; 67189a453d4SGerd Hoffmann } 67289a453d4SGerd Hoffmann if (uas->data3[i] == p) { 67389a453d4SGerd Hoffmann uas->data3[i] = NULL; 67489a453d4SGerd Hoffmann return; 67589a453d4SGerd Hoffmann } 67689a453d4SGerd Hoffmann } 67789a453d4SGerd Hoffmann } 6780f58f68bSGerd Hoffmann QTAILQ_FOREACH_SAFE(req, &uas->requests, next, nreq) { 6790f58f68bSGerd Hoffmann if (req->data == p) { 6800f58f68bSGerd Hoffmann req->data = NULL; 6810f58f68bSGerd Hoffmann return; 6820f58f68bSGerd Hoffmann } 6830f58f68bSGerd Hoffmann } 6840f58f68bSGerd Hoffmann assert(!"canceled usb packet not found"); 6850f58f68bSGerd Hoffmann } 6860f58f68bSGerd Hoffmann 687*5007c940SHans de Goede static void usb_uas_command(UASDevice *uas, uas_iu *iu) 6880f58f68bSGerd Hoffmann { 6890f58f68bSGerd Hoffmann UASRequest *req; 6900f58f68bSGerd Hoffmann uint32_t len; 691*5007c940SHans de Goede uint16_t tag = be16_to_cpu(iu->hdr.tag); 6920f58f68bSGerd Hoffmann 6933453f9a0SHans de Goede if (uas_using_streams(uas) && tag > UAS_MAX_STREAMS) { 6943453f9a0SHans de Goede goto invalid_tag; 6953453f9a0SHans de Goede } 696d4bfc7b9SHans de Goede req = usb_uas_find_request(uas, tag); 6970f58f68bSGerd Hoffmann if (req) { 6980f58f68bSGerd Hoffmann goto overlapped_tag; 6990f58f68bSGerd Hoffmann } 700*5007c940SHans de Goede req = usb_uas_alloc_request(uas, iu); 7010f58f68bSGerd Hoffmann if (req->dev == NULL) { 7020f58f68bSGerd Hoffmann goto bad_target; 7030f58f68bSGerd Hoffmann } 7040f58f68bSGerd Hoffmann 7050f58f68bSGerd Hoffmann trace_usb_uas_command(uas->dev.addr, req->tag, 7060f58f68bSGerd Hoffmann usb_uas_get_lun(req->lun), 7070f58f68bSGerd Hoffmann req->lun >> 32, req->lun & 0xffffffff); 7080f58f68bSGerd Hoffmann QTAILQ_INSERT_TAIL(&uas->requests, req, next); 70989a453d4SGerd Hoffmann if (uas_using_streams(uas) && uas->data3[req->tag] != NULL) { 71089a453d4SGerd Hoffmann req->data = uas->data3[req->tag]; 71189a453d4SGerd Hoffmann req->data_async = true; 71289a453d4SGerd Hoffmann uas->data3[req->tag] = NULL; 71389a453d4SGerd Hoffmann } 71489a453d4SGerd Hoffmann 7150f58f68bSGerd Hoffmann req->req = scsi_req_new(req->dev, req->tag, 7160f58f68bSGerd Hoffmann usb_uas_get_lun(req->lun), 717*5007c940SHans de Goede iu->command.cdb, req); 7181556a8fcSGerd Hoffmann if (uas->requestlog) { 71989a453d4SGerd Hoffmann scsi_req_print(req->req); 7201556a8fcSGerd Hoffmann } 7210f58f68bSGerd Hoffmann len = scsi_req_enqueue(req->req); 7220f58f68bSGerd Hoffmann if (len) { 7230f58f68bSGerd Hoffmann req->data_size = len; 7240f58f68bSGerd Hoffmann scsi_req_continue(req->req); 7250f58f68bSGerd Hoffmann } 7260f58f68bSGerd Hoffmann return; 7270f58f68bSGerd Hoffmann 7283453f9a0SHans de Goede invalid_tag: 7293453f9a0SHans de Goede usb_uas_queue_fake_sense(uas, tag, sense_code_INVALID_TAG); 7303453f9a0SHans de Goede return; 7313453f9a0SHans de Goede 7320f58f68bSGerd Hoffmann overlapped_tag: 733d4bfc7b9SHans de Goede usb_uas_queue_fake_sense(uas, tag, sense_code_OVERLAPPED_COMMANDS); 7340f58f68bSGerd Hoffmann return; 7350f58f68bSGerd Hoffmann 7360f58f68bSGerd Hoffmann bad_target: 737d4bfc7b9SHans de Goede usb_uas_queue_fake_sense(uas, tag, sense_code_LUN_NOT_SUPPORTED); 7380f58f68bSGerd Hoffmann g_free(req); 7390f58f68bSGerd Hoffmann } 7400f58f68bSGerd Hoffmann 741*5007c940SHans de Goede static void usb_uas_task(UASDevice *uas, uas_iu *iu) 7420f58f68bSGerd Hoffmann { 743*5007c940SHans de Goede uint16_t tag = be16_to_cpu(iu->hdr.tag); 744*5007c940SHans de Goede uint64_t lun64 = be64_to_cpu(iu->task.lun); 7450f58f68bSGerd Hoffmann SCSIDevice *dev = usb_uas_get_dev(uas, lun64); 7460f58f68bSGerd Hoffmann int lun = usb_uas_get_lun(lun64); 7470f58f68bSGerd Hoffmann UASRequest *req; 7480f58f68bSGerd Hoffmann uint16_t task_tag; 7490f58f68bSGerd Hoffmann 7503453f9a0SHans de Goede if (uas_using_streams(uas) && tag > UAS_MAX_STREAMS) { 7513453f9a0SHans de Goede goto invalid_tag; 7523453f9a0SHans de Goede } 753*5007c940SHans de Goede req = usb_uas_find_request(uas, be16_to_cpu(iu->hdr.tag)); 7540f58f68bSGerd Hoffmann if (req) { 7550f58f68bSGerd Hoffmann goto overlapped_tag; 7560f58f68bSGerd Hoffmann } 7575eb6d9e3SHans de Goede if (dev == NULL) { 7585eb6d9e3SHans de Goede goto incorrect_lun; 7595eb6d9e3SHans de Goede } 7600f58f68bSGerd Hoffmann 761*5007c940SHans de Goede switch (iu->task.function) { 7620f58f68bSGerd Hoffmann case UAS_TMF_ABORT_TASK: 763*5007c940SHans de Goede task_tag = be16_to_cpu(iu->task.task_tag); 7640f58f68bSGerd Hoffmann trace_usb_uas_tmf_abort_task(uas->dev.addr, tag, task_tag); 7650f58f68bSGerd Hoffmann req = usb_uas_find_request(uas, task_tag); 7660f58f68bSGerd Hoffmann if (req && req->dev == dev) { 7670f58f68bSGerd Hoffmann scsi_req_cancel(req->req); 7680f58f68bSGerd Hoffmann } 76949cfa2fdSHans de Goede usb_uas_queue_response(uas, tag, UAS_RC_TMF_COMPLETE); 7700f58f68bSGerd Hoffmann break; 7710f58f68bSGerd Hoffmann 7720f58f68bSGerd Hoffmann case UAS_TMF_LOGICAL_UNIT_RESET: 7730f58f68bSGerd Hoffmann trace_usb_uas_tmf_logical_unit_reset(uas->dev.addr, tag, lun); 7740f58f68bSGerd Hoffmann qdev_reset_all(&dev->qdev); 77549cfa2fdSHans de Goede usb_uas_queue_response(uas, tag, UAS_RC_TMF_COMPLETE); 7760f58f68bSGerd Hoffmann break; 7770f58f68bSGerd Hoffmann 7780f58f68bSGerd Hoffmann default: 779*5007c940SHans de Goede trace_usb_uas_tmf_unsupported(uas->dev.addr, tag, iu->task.function); 78049cfa2fdSHans de Goede usb_uas_queue_response(uas, tag, UAS_RC_TMF_NOT_SUPPORTED); 7810f58f68bSGerd Hoffmann break; 7820f58f68bSGerd Hoffmann } 7830f58f68bSGerd Hoffmann return; 7840f58f68bSGerd Hoffmann 7853453f9a0SHans de Goede invalid_tag: 78649cfa2fdSHans de Goede usb_uas_queue_response(uas, tag, UAS_RC_INVALID_INFO_UNIT); 7873453f9a0SHans de Goede return; 7883453f9a0SHans de Goede 7890f58f68bSGerd Hoffmann overlapped_tag: 79049cfa2fdSHans de Goede usb_uas_queue_response(uas, req->tag, UAS_RC_OVERLAPPED_TAG); 7910f58f68bSGerd Hoffmann return; 7920f58f68bSGerd Hoffmann 7930f58f68bSGerd Hoffmann incorrect_lun: 79449cfa2fdSHans de Goede usb_uas_queue_response(uas, tag, UAS_RC_INCORRECT_LUN); 7950f58f68bSGerd Hoffmann } 7960f58f68bSGerd Hoffmann 7979a77a0f5SHans de Goede static void usb_uas_handle_data(USBDevice *dev, USBPacket *p) 7980f58f68bSGerd Hoffmann { 7990f58f68bSGerd Hoffmann UASDevice *uas = DO_UPCAST(UASDevice, dev, dev); 800*5007c940SHans de Goede uas_iu iu; 8010f58f68bSGerd Hoffmann UASStatus *st; 8020f58f68bSGerd Hoffmann UASRequest *req; 8039a77a0f5SHans de Goede int length; 8040f58f68bSGerd Hoffmann 8050f58f68bSGerd Hoffmann switch (p->ep->nr) { 8060f58f68bSGerd Hoffmann case UAS_PIPE_ID_COMMAND: 807*5007c940SHans de Goede length = MIN(sizeof(iu), p->iov.size); 808*5007c940SHans de Goede usb_packet_copy(p, &iu, length); 809*5007c940SHans de Goede switch (iu.hdr.id) { 8100f58f68bSGerd Hoffmann case UAS_UI_COMMAND: 811*5007c940SHans de Goede usb_uas_command(uas, &iu); 8120f58f68bSGerd Hoffmann break; 8130f58f68bSGerd Hoffmann case UAS_UI_TASK_MGMT: 814*5007c940SHans de Goede usb_uas_task(uas, &iu); 8150f58f68bSGerd Hoffmann break; 8160f58f68bSGerd Hoffmann default: 817*5007c940SHans de Goede fprintf(stderr, "%s: unknown command iu: id 0x%x\n", 818*5007c940SHans de Goede __func__, iu.hdr.id); 8199a77a0f5SHans de Goede p->status = USB_RET_STALL; 8200f58f68bSGerd Hoffmann break; 8210f58f68bSGerd Hoffmann } 8220f58f68bSGerd Hoffmann break; 8230f58f68bSGerd Hoffmann case UAS_PIPE_ID_STATUS: 82489a453d4SGerd Hoffmann if (p->stream) { 82589a453d4SGerd Hoffmann QTAILQ_FOREACH(st, &uas->results, next) { 82689a453d4SGerd Hoffmann if (st->stream == p->stream) { 82789a453d4SGerd Hoffmann break; 82889a453d4SGerd Hoffmann } 82989a453d4SGerd Hoffmann } 8300f58f68bSGerd Hoffmann if (st == NULL) { 83189a453d4SGerd Hoffmann assert(uas->status3[p->stream] == NULL); 83289a453d4SGerd Hoffmann uas->status3[p->stream] = p; 8339a77a0f5SHans de Goede p->status = USB_RET_ASYNC; 8340f58f68bSGerd Hoffmann break; 8350f58f68bSGerd Hoffmann } 83689a453d4SGerd Hoffmann } else { 83789a453d4SGerd Hoffmann st = QTAILQ_FIRST(&uas->results); 83889a453d4SGerd Hoffmann if (st == NULL) { 83989a453d4SGerd Hoffmann assert(uas->status2 == NULL); 84089a453d4SGerd Hoffmann uas->status2 = p; 84189a453d4SGerd Hoffmann p->status = USB_RET_ASYNC; 84289a453d4SGerd Hoffmann break; 84389a453d4SGerd Hoffmann } 84489a453d4SGerd Hoffmann } 8450f58f68bSGerd Hoffmann usb_packet_copy(p, &st->status, st->length); 8460f58f68bSGerd Hoffmann QTAILQ_REMOVE(&uas->results, st, next); 8470f58f68bSGerd Hoffmann g_free(st); 8480f58f68bSGerd Hoffmann break; 8490f58f68bSGerd Hoffmann case UAS_PIPE_ID_DATA_IN: 8500f58f68bSGerd Hoffmann case UAS_PIPE_ID_DATA_OUT: 85189a453d4SGerd Hoffmann if (p->stream) { 85289a453d4SGerd Hoffmann req = usb_uas_find_request(uas, p->stream); 85389a453d4SGerd Hoffmann } else { 85489a453d4SGerd Hoffmann req = (p->ep->nr == UAS_PIPE_ID_DATA_IN) 85589a453d4SGerd Hoffmann ? uas->datain2 : uas->dataout2; 85689a453d4SGerd Hoffmann } 8570f58f68bSGerd Hoffmann if (req == NULL) { 85889a453d4SGerd Hoffmann if (p->stream) { 85989a453d4SGerd Hoffmann assert(uas->data3[p->stream] == NULL); 86089a453d4SGerd Hoffmann uas->data3[p->stream] = p; 86189a453d4SGerd Hoffmann p->status = USB_RET_ASYNC; 86289a453d4SGerd Hoffmann break; 86389a453d4SGerd Hoffmann } else { 8640f58f68bSGerd Hoffmann fprintf(stderr, "%s: no inflight request\n", __func__); 8659a77a0f5SHans de Goede p->status = USB_RET_STALL; 8660f58f68bSGerd Hoffmann break; 8670f58f68bSGerd Hoffmann } 86889a453d4SGerd Hoffmann } 8690f58f68bSGerd Hoffmann scsi_req_ref(req->req); 8700f58f68bSGerd Hoffmann req->data = p; 8710f58f68bSGerd Hoffmann usb_uas_copy_data(req); 8729a77a0f5SHans de Goede if (p->actual_length == p->iov.size || req->complete) { 8730f58f68bSGerd Hoffmann req->data = NULL; 8740f58f68bSGerd Hoffmann } else { 8750f58f68bSGerd Hoffmann req->data_async = true; 8769a77a0f5SHans de Goede p->status = USB_RET_ASYNC; 8770f58f68bSGerd Hoffmann } 8780f58f68bSGerd Hoffmann scsi_req_unref(req->req); 8790f58f68bSGerd Hoffmann usb_uas_start_next_transfer(uas); 8800f58f68bSGerd Hoffmann break; 8810f58f68bSGerd Hoffmann default: 8820f58f68bSGerd Hoffmann fprintf(stderr, "%s: invalid endpoint %d\n", __func__, p->ep->nr); 8839a77a0f5SHans de Goede p->status = USB_RET_STALL; 8840f58f68bSGerd Hoffmann break; 8850f58f68bSGerd Hoffmann } 8860f58f68bSGerd Hoffmann } 8870f58f68bSGerd Hoffmann 8880f58f68bSGerd Hoffmann static void usb_uas_handle_destroy(USBDevice *dev) 8890f58f68bSGerd Hoffmann { 8900f58f68bSGerd Hoffmann UASDevice *uas = DO_UPCAST(UASDevice, dev, dev); 8910f58f68bSGerd Hoffmann 8920f58f68bSGerd Hoffmann qemu_bh_delete(uas->status_bh); 8930f58f68bSGerd Hoffmann } 8940f58f68bSGerd Hoffmann 8950f58f68bSGerd Hoffmann static int usb_uas_init(USBDevice *dev) 8960f58f68bSGerd Hoffmann { 8970f58f68bSGerd Hoffmann UASDevice *uas = DO_UPCAST(UASDevice, dev, dev); 8980f58f68bSGerd Hoffmann 8990f58f68bSGerd Hoffmann usb_desc_create_serial(dev); 9000f58f68bSGerd Hoffmann usb_desc_init(dev); 9010f58f68bSGerd Hoffmann 9020f58f68bSGerd Hoffmann QTAILQ_INIT(&uas->results); 9030f58f68bSGerd Hoffmann QTAILQ_INIT(&uas->requests); 9040f58f68bSGerd Hoffmann uas->status_bh = qemu_bh_new(usb_uas_send_status_bh, uas); 9050f58f68bSGerd Hoffmann 906b1187b51SAndreas Färber scsi_bus_new(&uas->bus, sizeof(uas->bus), DEVICE(dev), 907b1187b51SAndreas Färber &usb_uas_scsi_info, NULL); 9080f58f68bSGerd Hoffmann 9090f58f68bSGerd Hoffmann return 0; 9100f58f68bSGerd Hoffmann } 9110f58f68bSGerd Hoffmann 9120f58f68bSGerd Hoffmann static const VMStateDescription vmstate_usb_uas = { 9130f58f68bSGerd Hoffmann .name = "usb-uas", 9140f58f68bSGerd Hoffmann .unmigratable = 1, 9150f58f68bSGerd Hoffmann .fields = (VMStateField[]) { 9160f58f68bSGerd Hoffmann VMSTATE_USB_DEVICE(dev, UASDevice), 9170f58f68bSGerd Hoffmann VMSTATE_END_OF_LIST() 9180f58f68bSGerd Hoffmann } 9190f58f68bSGerd Hoffmann }; 9200f58f68bSGerd Hoffmann 9211556a8fcSGerd Hoffmann static Property uas_properties[] = { 9221556a8fcSGerd Hoffmann DEFINE_PROP_UINT32("log-scsi-req", UASDevice, requestlog, 0), 9231556a8fcSGerd Hoffmann DEFINE_PROP_END_OF_LIST(), 9241556a8fcSGerd Hoffmann }; 9251556a8fcSGerd Hoffmann 9260f58f68bSGerd Hoffmann static void usb_uas_class_initfn(ObjectClass *klass, void *data) 9270f58f68bSGerd Hoffmann { 9280f58f68bSGerd Hoffmann DeviceClass *dc = DEVICE_CLASS(klass); 9290f58f68bSGerd Hoffmann USBDeviceClass *uc = USB_DEVICE_CLASS(klass); 9300f58f68bSGerd Hoffmann 9310f58f68bSGerd Hoffmann uc->init = usb_uas_init; 9320f58f68bSGerd Hoffmann uc->product_desc = desc_strings[STR_PRODUCT]; 9330f58f68bSGerd Hoffmann uc->usb_desc = &desc; 9340f58f68bSGerd Hoffmann uc->cancel_packet = usb_uas_cancel_io; 9350f58f68bSGerd Hoffmann uc->handle_attach = usb_desc_attach; 9360f58f68bSGerd Hoffmann uc->handle_reset = usb_uas_handle_reset; 9370f58f68bSGerd Hoffmann uc->handle_control = usb_uas_handle_control; 9380f58f68bSGerd Hoffmann uc->handle_data = usb_uas_handle_data; 9390f58f68bSGerd Hoffmann uc->handle_destroy = usb_uas_handle_destroy; 940125ee0edSMarcel Apfelbaum set_bit(DEVICE_CATEGORY_STORAGE, dc->categories); 9410f58f68bSGerd Hoffmann dc->fw_name = "storage"; 9420f58f68bSGerd Hoffmann dc->vmsd = &vmstate_usb_uas; 9431556a8fcSGerd Hoffmann dc->props = uas_properties; 9440f58f68bSGerd Hoffmann } 9450f58f68bSGerd Hoffmann 9468c43a6f0SAndreas Färber static const TypeInfo uas_info = { 9470f58f68bSGerd Hoffmann .name = "usb-uas", 9480f58f68bSGerd Hoffmann .parent = TYPE_USB_DEVICE, 9490f58f68bSGerd Hoffmann .instance_size = sizeof(UASDevice), 9500f58f68bSGerd Hoffmann .class_init = usb_uas_class_initfn, 9510f58f68bSGerd Hoffmann }; 9520f58f68bSGerd Hoffmann 9530f58f68bSGerd Hoffmann static void usb_uas_register_types(void) 9540f58f68bSGerd Hoffmann { 9550f58f68bSGerd Hoffmann type_register_static(&uas_info); 9560f58f68bSGerd Hoffmann } 9570f58f68bSGerd Hoffmann 9580f58f68bSGerd Hoffmann type_init(usb_uas_register_types) 959