/* * Copyright 2012-2013 Andrew Smith * * This program is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License as published by the Free * Software Foundation; either version 3 of the License, or (at your option) * any later version. See COPYING for more details. */ #include "config.h" #include #include #include #include "logging.h" #include "miner.h" #include "usbutils.h" #define NODEV(err) ((err) == LIBUSB_ERROR_NO_DEVICE || \ (err) == LIBUSB_ERROR_PIPE || \ (err) == LIBUSB_ERROR_OTHER) #ifdef USE_BFLSC #define DRV_BFLSC 1 #endif #ifdef USE_BITFORCE #define DRV_BITFORCE 2 #endif #ifdef USE_MODMINER #define DRV_MODMINER 3 #endif #ifdef USE_ZTEX #define DRV_ZTEX 4 #endif #ifdef USE_ICARUS #define DRV_ICARUS 5 #endif #define DRV_LAST -1 #define USB_CONFIG 1 #define EPI(x) (LIBUSB_ENDPOINT_IN | (unsigned char)(x)) #define EPO(x) (LIBUSB_ENDPOINT_OUT | (unsigned char)(x)) #ifdef WIN32 #define BFLSC_TIMEOUT_MS 500 #define BITFORCE_TIMEOUT_MS 500 #define MODMINER_TIMEOUT_MS 200 #else #define BFLSC_TIMEOUT_MS 200 #define BITFORCE_TIMEOUT_MS 200 #define MODMINER_TIMEOUT_MS 100 #endif #ifdef USE_BFLSC // N.B. transfer size is 512 with USB2.0, but only 64 with USB1.1 static struct usb_endpoints bas_eps[] = { { LIBUSB_TRANSFER_TYPE_BULK, 64, EPI(1), 0 }, { LIBUSB_TRANSFER_TYPE_BULK, 64, EPO(2), 0 } }; #endif #ifdef USE_BITFORCE // N.B. transfer size is 512 with USB2.0, but only 64 with USB1.1 static struct usb_endpoints bfl_eps[] = { { LIBUSB_TRANSFER_TYPE_BULK, 64, EPI(1), 0 }, { LIBUSB_TRANSFER_TYPE_BULK, 64, EPO(2), 0 } }; #endif #ifdef USE_MODMINER static struct usb_endpoints mmq_eps[] = { { LIBUSB_TRANSFER_TYPE_BULK, 64, EPI(3), 0 }, { LIBUSB_TRANSFER_TYPE_BULK, 64, EPO(3), 0 } }; #endif // TODO: Add support for (at least) Isochronous endpoints static struct usb_find_devices find_dev[] = { /* #ifdef USE_ICARUS { DRV_ICARUS, "ICA", 0x067b, 0x0230, true, EPI(3), EPO(2), 1 }, { DRV_ICARUS, "LOT", 0x0403, 0x6001, false, EPI(0), EPO(0), 1 }, { DRV_ICARUS, "CM1", 0x067b, 0x0230, false, EPI(0), EPO(0), 1 }, #endif */ #ifdef USE_BFLSC { .drv = DRV_BFLSC, .name = "BAS", .idVendor = 0x0403, .idProduct = 0x6014, .kernel = 0, .config = 1, .interface = 0, .timeout = BFLSC_TIMEOUT_MS, .epcount = ARRAY_SIZE(bas_eps), .eps = bas_eps }, #endif #ifdef USE_BITFORCE { .drv = DRV_BITFORCE, .name = "BFL", .idVendor = 0x0403, .idProduct = 0x6014, .kernel = 0, .config = 1, .interface = 0, .timeout = BITFORCE_TIMEOUT_MS, .epcount = ARRAY_SIZE(bfl_eps), .eps = bfl_eps }, #endif #ifdef USE_MODMINER { .drv = DRV_MODMINER, .name = "MMQ", .idVendor = 0x1fc9, .idProduct = 0x0003, .kernel = 0, .config = 1, .interface = 1, .timeout = MODMINER_TIMEOUT_MS, .epcount = ARRAY_SIZE(mmq_eps), .eps = mmq_eps }, #endif #ifdef USE_ZTEX // This is here so cgminer -n shows them // the ztex driver (as at 201303) doesn't use usbutils { .drv = DRV_ZTEX, .name = "ZTX", .idVendor = 0x221a, .idProduct = 0x0100, .kernel = 0, .config = 1, .interface = 1, .timeout = 100, .epcount = 0, .eps = NULL }, #endif { DRV_LAST, NULL, 0, 0, 0, 0, 0, 0, 0, NULL } }; #ifdef USE_BFLSC extern struct device_drv bflsc_drv; #endif #ifdef USE_BITFORCE extern struct device_drv bitforce_drv; #endif #ifdef USE_MODMINER extern struct device_drv modminer_drv; #endif #ifdef USE_ICARUS extern struct device_drv icarus_drv; #endif #define STRBUFLEN 256 static const char *BLANK = ""; // For device limits by driver static struct driver_count { uint32_t count; uint32_t limit; } drv_count[DRIVER_MAX]; // For device limits by list of bus/dev static struct usb_busdev { int bus_number; int device_address; } *busdev; static int busdev_count = 0; // Total device limit static int total_count = 0; static int total_limit = 999999; static bool stats_initialised = false; struct cg_usb_stats_item { uint64_t count; double total_delay; double min_delay; double max_delay; struct timeval first; struct timeval last; }; #define CMD_CMD 0 #define CMD_TIMEOUT 1 #define CMD_ERROR 2 struct cg_usb_stats_details { int seq; struct cg_usb_stats_item item[CMD_ERROR+1]; }; struct cg_usb_stats { char *name; int device_id; struct cg_usb_stats_details *details; }; #define SEQ0 0 #define SEQ1 1 static struct cg_usb_stats *usb_stats = NULL; static int next_stat = 0; static const char **usb_commands; static const char *C_REJECTED_S = "RejectedNoDevice"; static const char *C_PING_S = "Ping"; static const char *C_CLEAR_S = "Clear"; static const char *C_REQUESTVERSION_S = "RequestVersion"; static const char *C_GETVERSION_S = "GetVersion"; static const char *C_REQUESTFPGACOUNT_S = "RequestFPGACount"; static const char *C_GETFPGACOUNT_S = "GetFPGACount"; static const char *C_STARTPROGRAM_S = "StartProgram"; static const char *C_STARTPROGRAMSTATUS_S = "StartProgramStatus"; static const char *C_PROGRAM_S = "Program"; static const char *C_PROGRAMSTATUS_S = "ProgramStatus"; static const char *C_PROGRAMSTATUS2_S = "ProgramStatus2"; static const char *C_FINALPROGRAMSTATUS_S = "FinalProgramStatus"; static const char *C_SETCLOCK_S = "SetClock"; static const char *C_REPLYSETCLOCK_S = "ReplySetClock"; static const char *C_REQUESTUSERCODE_S = "RequestUserCode"; static const char *C_GETUSERCODE_S = "GetUserCode"; static const char *C_REQUESTTEMPERATURE_S = "RequestTemperature"; static const char *C_GETTEMPERATURE_S = "GetTemperature"; static const char *C_SENDWORK_S = "SendWork"; static const char *C_SENDWORKSTATUS_S = "SendWorkStatus"; static const char *C_REQUESTWORKSTATUS_S = "RequestWorkStatus"; static const char *C_GETWORKSTATUS_S = "GetWorkStatus"; static const char *C_REQUESTIDENTIFY_S = "RequestIdentify"; static const char *C_GETIDENTIFY_S = "GetIdentify"; static const char *C_REQUESTFLASH_S = "RequestFlash"; static const char *C_REQUESTSENDWORK_S = "RequestSendWork"; static const char *C_REQUESTSENDWORKSTATUS_S = "RequestSendWorkStatus"; static const char *C_RESET_S = "Reset"; static const char *C_SETBAUD_S = "SetBaud"; static const char *C_SETDATA_S = "SetDataCtrl"; static const char *C_SETFLOW_S = "SetFlowCtrl"; static const char *C_SETMODEM_S = "SetModemCtrl"; static const char *C_PURGERX_S = "PurgeRx"; static const char *C_PURGETX_S = "PurgeTx"; static const char *C_FLASHREPLY_S = "FlashReply"; #ifdef EOL #undef EOL #endif #define EOL "\n" static const char *DESDEV = "Device"; static const char *DESCON = "Config"; static const char *DESSTR = "String"; static const char *DESINT = "Interface"; static const char *DESEP = "Endpoint"; static const char *DESHID = "HID"; static const char *DESRPT = "Report"; static const char *DESPHY = "Physical"; static const char *DESHUB = "Hub"; static const char *EPIN = "In: "; static const char *EPOUT = "Out: "; static const char *EPX = "?: "; static const char *CONTROL = "Control"; static const char *ISOCHRONOUS_X = "Isochronous+?"; static const char *ISOCHRONOUS_N_X = "Isochronous+None+?"; static const char *ISOCHRONOUS_N_D = "Isochronous+None+Data"; static const char *ISOCHRONOUS_N_F = "Isochronous+None+Feedback"; static const char *ISOCHRONOUS_N_I = "Isochronous+None+Implicit"; static const char *ISOCHRONOUS_A_X = "Isochronous+Async+?"; static const char *ISOCHRONOUS_A_D = "Isochronous+Async+Data"; static const char *ISOCHRONOUS_A_F = "Isochronous+Async+Feedback"; static const char *ISOCHRONOUS_A_I = "Isochronous+Async+Implicit"; static const char *ISOCHRONOUS_D_X = "Isochronous+Adaptive+?"; static const char *ISOCHRONOUS_D_D = "Isochronous+Adaptive+Data"; static const char *ISOCHRONOUS_D_F = "Isochronous+Adaptive+Feedback"; static const char *ISOCHRONOUS_D_I = "Isochronous+Adaptive+Implicit"; static const char *ISOCHRONOUS_S_X = "Isochronous+Sync+?"; static const char *ISOCHRONOUS_S_D = "Isochronous+Sync+Data"; static const char *ISOCHRONOUS_S_F = "Isochronous+Sync+Feedback"; static const char *ISOCHRONOUS_S_I = "Isochronous+Sync+Implicit"; static const char *BULK = "Bulk"; static const char *INTERRUPT = "Interrupt"; static const char *UNKNOWN = "Unknown"; static const char *err_io_str = " IO Error"; static const char *err_access_str = " Access Denied-a"; static const char *err_timeout_str = " Reply Timeout"; static const char *err_pipe_str = " Access denied-p"; static const char *err_other_str = " Access denied-o"; static const char *usberrstr(int err) { switch (err) { case LIBUSB_ERROR_IO: return err_io_str; case LIBUSB_ERROR_ACCESS: return err_access_str; case LIBUSB_ERROR_TIMEOUT: return err_timeout_str; case LIBUSB_ERROR_PIPE: return err_pipe_str; case LIBUSB_ERROR_OTHER: return err_other_str; } return BLANK; } static const char *destype(uint8_t bDescriptorType) { switch (bDescriptorType) { case LIBUSB_DT_DEVICE: return DESDEV; case LIBUSB_DT_CONFIG: return DESCON; case LIBUSB_DT_STRING: return DESSTR; case LIBUSB_DT_INTERFACE: return DESINT; case LIBUSB_DT_ENDPOINT: return DESEP; case LIBUSB_DT_HID: return DESHID; case LIBUSB_DT_REPORT: return DESRPT; case LIBUSB_DT_PHYSICAL: return DESPHY; case LIBUSB_DT_HUB: return DESHUB; } return UNKNOWN; } static const char *epdir(uint8_t bEndpointAddress) { switch (bEndpointAddress & LIBUSB_ENDPOINT_DIR_MASK) { case LIBUSB_ENDPOINT_IN: return EPIN; case LIBUSB_ENDPOINT_OUT: return EPOUT; } return EPX; } static const char *epatt(uint8_t bmAttributes) { switch(bmAttributes & LIBUSB_TRANSFER_TYPE_MASK) { case LIBUSB_TRANSFER_TYPE_CONTROL: return CONTROL; case LIBUSB_TRANSFER_TYPE_BULK: return BULK; case LIBUSB_TRANSFER_TYPE_INTERRUPT: return INTERRUPT; case LIBUSB_TRANSFER_TYPE_ISOCHRONOUS: switch(bmAttributes & LIBUSB_ISO_SYNC_TYPE_MASK) { case LIBUSB_ISO_SYNC_TYPE_NONE: switch(bmAttributes & LIBUSB_ISO_USAGE_TYPE_MASK) { case LIBUSB_ISO_USAGE_TYPE_DATA: return ISOCHRONOUS_N_D; case LIBUSB_ISO_USAGE_TYPE_FEEDBACK: return ISOCHRONOUS_N_F; case LIBUSB_ISO_USAGE_TYPE_IMPLICIT: return ISOCHRONOUS_N_I; } return ISOCHRONOUS_N_X; case LIBUSB_ISO_SYNC_TYPE_ASYNC: switch(bmAttributes & LIBUSB_ISO_USAGE_TYPE_MASK) { case LIBUSB_ISO_USAGE_TYPE_DATA: return ISOCHRONOUS_A_D; case LIBUSB_ISO_USAGE_TYPE_FEEDBACK: return ISOCHRONOUS_A_F; case LIBUSB_ISO_USAGE_TYPE_IMPLICIT: return ISOCHRONOUS_A_I; } return ISOCHRONOUS_A_X; case LIBUSB_ISO_SYNC_TYPE_ADAPTIVE: switch(bmAttributes & LIBUSB_ISO_USAGE_TYPE_MASK) { case LIBUSB_ISO_USAGE_TYPE_DATA: return ISOCHRONOUS_D_D; case LIBUSB_ISO_USAGE_TYPE_FEEDBACK: return ISOCHRONOUS_D_F; case LIBUSB_ISO_USAGE_TYPE_IMPLICIT: return ISOCHRONOUS_D_I; } return ISOCHRONOUS_D_X; case LIBUSB_ISO_SYNC_TYPE_SYNC: switch(bmAttributes & LIBUSB_ISO_USAGE_TYPE_MASK) { case LIBUSB_ISO_USAGE_TYPE_DATA: return ISOCHRONOUS_S_D; case LIBUSB_ISO_USAGE_TYPE_FEEDBACK: return ISOCHRONOUS_S_F; case LIBUSB_ISO_USAGE_TYPE_IMPLICIT: return ISOCHRONOUS_S_I; } return ISOCHRONOUS_S_X; } return ISOCHRONOUS_X; } return UNKNOWN; } static void append(char **buf, char *append, size_t *off, size_t *len) { int new = strlen(append); if ((new + *off) >= *len) { *len *= 2; *buf = realloc(*buf, *len); } strcpy(*buf + *off, append); *off += new; } static bool setgetdes(ssize_t count, libusb_device *dev, struct libusb_device_handle *handle, struct libusb_config_descriptor **config, int cd, char **buf, size_t *off, size_t *len) { char tmp[512]; int err; err = libusb_set_configuration(handle, cd); if (err) { sprintf(tmp, EOL " ** dev %d: Failed to set config descriptor to %d, err %d", (int)count, cd, err); append(buf, tmp, off, len); return false; } err = libusb_get_active_config_descriptor(dev, config); if (err) { sprintf(tmp, EOL " ** dev %d: Failed to get active config descriptor set to %d, err %d", (int)count, cd, err); append(buf, tmp, off, len); return false; } sprintf(tmp, EOL " ** dev %d: Set & Got active config descriptor to %d, err %d", (int)count, cd, err); append(buf, tmp, off, len); return true; } static void usb_full(ssize_t *count, libusb_device *dev, char **buf, size_t *off, size_t *len, int level) { struct libusb_device_descriptor desc; uint8_t bus_number; uint8_t device_address; struct libusb_device_handle *handle; struct libusb_config_descriptor *config; const struct libusb_interface_descriptor *idesc; const struct libusb_endpoint_descriptor *epdesc; unsigned char man[STRBUFLEN+1]; unsigned char prod[STRBUFLEN+1]; unsigned char ser[STRBUFLEN+1]; char tmp[512]; int err, i, j, k; err = libusb_get_device_descriptor(dev, &desc); if (opt_usb_list_all && err) { sprintf(tmp, EOL ".USB dev %d: Failed to get descriptor, err %d", (int)(++(*count)), err); append(buf, tmp, off, len); return; } bus_number = libusb_get_bus_number(dev); device_address = libusb_get_device_address(dev); if (!opt_usb_list_all) { bool known = false; for (i = 0; find_dev[i].drv != DRV_LAST; i++) if ((find_dev[i].idVendor == desc.idVendor) && (find_dev[i].idProduct == desc.idProduct)) { known = true; break; } if (!known) return; } (*count)++; if (level == 0) { sprintf(tmp, EOL ".USB dev %d: Bus %d Device %d ID: %04x:%04x", (int)(*count), (int)bus_number, (int)device_address, desc.idVendor, desc.idProduct); } else { sprintf(tmp, EOL ".USB dev %d: Bus %d Device %d Device Descriptor:" EOL "\tLength: %d" EOL "\tDescriptor Type: %s" EOL "\tUSB: %04x" EOL "\tDeviceClass: %d" EOL "\tDeviceSubClass: %d" EOL "\tDeviceProtocol: %d" EOL "\tMaxPacketSize0: %d" EOL "\tidVendor: %04x" EOL "\tidProduct: %04x" EOL "\tDeviceRelease: %x" EOL "\tNumConfigurations: %d", (int)(*count), (int)bus_number, (int)device_address, (int)(desc.bLength), destype(desc.bDescriptorType), desc.bcdUSB, (int)(desc.bDeviceClass), (int)(desc.bDeviceSubClass), (int)(desc.bDeviceProtocol), (int)(desc.bMaxPacketSize0), desc.idVendor, desc.idProduct, desc.bcdDevice, (int)(desc.bNumConfigurations)); } append(buf, tmp, off, len); err = libusb_open(dev, &handle); if (err) { sprintf(tmp, EOL " ** dev %d: Failed to open, err %d", (int)(*count), err); append(buf, tmp, off, len); return; } err = libusb_get_string_descriptor_ascii(handle, desc.iManufacturer, man, STRBUFLEN); if (err < 0) sprintf((char *)man, "** err(%d)%s", err, usberrstr(err)); err = libusb_get_string_descriptor_ascii(handle, desc.iProduct, prod, STRBUFLEN); if (err < 0) sprintf((char *)prod, "** err(%d)%s", err, usberrstr(err)); if (level == 0) { libusb_close(handle); sprintf(tmp, EOL " Manufacturer: '%s'" EOL " Product: '%s'", man, prod); append(buf, tmp, off, len); return; } if (libusb_kernel_driver_active(handle, 0) == 1) { sprintf(tmp, EOL " * dev %d: kernel attached", (int)(*count)); append(buf, tmp, off, len); } err = libusb_get_active_config_descriptor(dev, &config); if (err) { if (!setgetdes(*count, dev, handle, &config, 1, buf, off, len) && !setgetdes(*count, dev, handle, &config, 0, buf, off, len)) { libusb_close(handle); sprintf(tmp, EOL " ** dev %d: Failed to set config descriptor to %d or %d", (int)(*count), 1, 0); append(buf, tmp, off, len); return; } } sprintf(tmp, EOL " dev %d: Active Config:" EOL "\tDescriptorType: %s" EOL "\tNumInterfaces: %d" EOL "\tConfigurationValue: %d" EOL "\tAttributes: %d" EOL "\tMaxPower: %d", (int)(*count), destype(config->bDescriptorType), (int)(config->bNumInterfaces), (int)(config->iConfiguration), (int)(config->bmAttributes), (int)(config->MaxPower)); append(buf, tmp, off, len); for (i = 0; i < (int)(config->bNumInterfaces); i++) { for (j = 0; j < config->interface[i].num_altsetting; j++) { idesc = &(config->interface[i].altsetting[j]); sprintf(tmp, EOL " _dev %d: Interface Descriptor %d:" EOL "\tDescriptorType: %s" EOL "\tInterfaceNumber: %d" EOL "\tNumEndpoints: %d" EOL "\tInterfaceClass: %d" EOL "\tInterfaceSubClass: %d" EOL "\tInterfaceProtocol: %d", (int)(*count), j, destype(idesc->bDescriptorType), (int)(idesc->bInterfaceNumber), (int)(idesc->bNumEndpoints), (int)(idesc->bInterfaceClass), (int)(idesc->bInterfaceSubClass), (int)(idesc->bInterfaceProtocol)); append(buf, tmp, off, len); for (k = 0; k < (int)(idesc->bNumEndpoints); k++) { epdesc = &(idesc->endpoint[k]); sprintf(tmp, EOL " __dev %d: Interface %d Endpoint %d:" EOL "\tDescriptorType: %s" EOL "\tEndpointAddress: %s0x%x" EOL "\tAttributes: %s" EOL "\tMaxPacketSize: %d" EOL "\tInterval: %d" EOL "\tRefresh: %d", (int)(*count), (int)(idesc->bInterfaceNumber), k, destype(epdesc->bDescriptorType), epdir(epdesc->bEndpointAddress), (int)(epdesc->bEndpointAddress), epatt(epdesc->bmAttributes), epdesc->wMaxPacketSize, (int)(epdesc->bInterval), (int)(epdesc->bRefresh)); append(buf, tmp, off, len); } } } libusb_free_config_descriptor(config); config = NULL; err = libusb_get_string_descriptor_ascii(handle, desc.iSerialNumber, ser, STRBUFLEN); if (err < 0) sprintf((char *)ser, "** err(%d)%s", err, usberrstr(err)); sprintf(tmp, EOL " dev %d: More Info:" EOL "\tManufacturer: '%s'" EOL "\tProduct: '%s'" EOL "\tSerial '%s'", (int)(*count), man, prod, ser); append(buf, tmp, off, len); libusb_close(handle); } // Function to dump all USB devices void usb_all(int level) { libusb_device **list; ssize_t count, i, j; char *buf; size_t len, off; count = libusb_get_device_list(NULL, &list); if (count < 0) { applog(LOG_ERR, "USB all: failed, err %d%s", (int)count, usberrstr((int)count)); return; } if (count == 0) applog(LOG_WARNING, "USB all: found no devices"); else { len = 10000; buf = malloc(len+1); sprintf(buf, "USB all: found %d devices", (int)count); off = strlen(buf); if (!opt_usb_list_all) append(&buf, " - listing known devices", &off, &len); j = -1; for (i = 0; i < count; i++) usb_full(&j, list[i], &buf, &off, &len, level); applog(LOG_WARNING, "%s", buf); free(buf); if (j == -1) applog(LOG_WARNING, "No known USB devices"); else applog(LOG_WARNING, "%d %sUSB devices", (int)(++j), opt_usb_list_all ? BLANK : "known "); } libusb_free_device_list(list, 1); } static void cgusb_check_init() { mutex_lock(&cgusb_lock); if (stats_initialised == false) { // N.B. environment LIBUSB_DEBUG also sets libusb_set_debug() if (opt_usbdump >= 0) { libusb_set_debug(NULL, opt_usbdump); usb_all(opt_usbdump); } usb_commands = malloc(sizeof(*usb_commands) * C_MAX); // use constants so the stat generation is very quick // and the association between number and name can't // be missalined easily usb_commands[C_REJECTED] = C_REJECTED_S; usb_commands[C_PING] = C_PING_S; usb_commands[C_CLEAR] = C_CLEAR_S; usb_commands[C_REQUESTVERSION] = C_REQUESTVERSION_S; usb_commands[C_GETVERSION] = C_GETVERSION_S; usb_commands[C_REQUESTFPGACOUNT] = C_REQUESTFPGACOUNT_S; usb_commands[C_GETFPGACOUNT] = C_GETFPGACOUNT_S; usb_commands[C_STARTPROGRAM] = C_STARTPROGRAM_S; usb_commands[C_STARTPROGRAMSTATUS] = C_STARTPROGRAMSTATUS_S; usb_commands[C_PROGRAM] = C_PROGRAM_S; usb_commands[C_PROGRAMSTATUS] = C_PROGRAMSTATUS_S; usb_commands[C_PROGRAMSTATUS2] = C_PROGRAMSTATUS2_S; usb_commands[C_FINALPROGRAMSTATUS] = C_FINALPROGRAMSTATUS_S; usb_commands[C_SETCLOCK] = C_SETCLOCK_S; usb_commands[C_REPLYSETCLOCK] = C_REPLYSETCLOCK_S; usb_commands[C_REQUESTUSERCODE] = C_REQUESTUSERCODE_S; usb_commands[C_GETUSERCODE] = C_GETUSERCODE_S; usb_commands[C_REQUESTTEMPERATURE] = C_REQUESTTEMPERATURE_S; usb_commands[C_GETTEMPERATURE] = C_GETTEMPERATURE_S; usb_commands[C_SENDWORK] = C_SENDWORK_S; usb_commands[C_SENDWORKSTATUS] = C_SENDWORKSTATUS_S; usb_commands[C_REQUESTWORKSTATUS] = C_REQUESTWORKSTATUS_S; usb_commands[C_GETWORKSTATUS] = C_GETWORKSTATUS_S; usb_commands[C_REQUESTIDENTIFY] = C_REQUESTIDENTIFY_S; usb_commands[C_GETIDENTIFY] = C_GETIDENTIFY_S; usb_commands[C_REQUESTFLASH] = C_REQUESTFLASH_S; usb_commands[C_REQUESTSENDWORK] = C_REQUESTSENDWORK_S; usb_commands[C_REQUESTSENDWORKSTATUS] = C_REQUESTSENDWORKSTATUS_S; usb_commands[C_RESET] = C_RESET_S; usb_commands[C_SETBAUD] = C_SETBAUD_S; usb_commands[C_SETDATA] = C_SETDATA_S; usb_commands[C_SETFLOW] = C_SETFLOW_S; usb_commands[C_SETMODEM] = C_SETMODEM_S; usb_commands[C_PURGERX] = C_PURGERX_S; usb_commands[C_PURGETX] = C_PURGETX_S; usb_commands[C_FLASHREPLY] = C_FLASHREPLY_S; stats_initialised = true; } mutex_unlock(&cgusb_lock); } #ifndef WIN32 #include #include #include #include #include #include #include #include union semun { int sem; struct semid_ds *seminfo; ushort *all; }; #endif // Any errors should always be printed since they will rarely if ever occur // and thus it is best to always display them static bool cgminer_usb_lock_bd(struct device_drv *drv, uint8_t bus_number, uint8_t device_address) { #ifdef WIN32 struct cgpu_info *cgpu; HANDLE usbMutex; char name[64]; DWORD res; int i; sprintf(name, "cgminer-usb-%d-%d", (int)bus_number, (int)device_address); usbMutex = CreateMutex(NULL, FALSE, name); if (usbMutex == NULL) { applog(LOG_ERR, "MTX: %s USB failed to get '%s' err (%d)", drv->dname, name, GetLastError()); return false; } res = WaitForSingleObject(usbMutex, 0); switch(res) { case WAIT_OBJECT_0: case WAIT_ABANDONED: // Am I using it already? for (i = 0; i < total_devices; i++) { cgpu = get_devices(i); if (cgpu->usbinfo.bus_number == bus_number && cgpu->usbinfo.device_address == device_address && cgpu->usbinfo.nodev == false) { if (ReleaseMutex(usbMutex)) { applog(LOG_WARNING, "MTX: %s USB can't get '%s' - device in use", drv->dname, name); goto fail; } applog(LOG_ERR, "MTX: %s USB can't get '%s' - device in use - failure (%d)", drv->dname, name, GetLastError()); goto fail; } } return true; case WAIT_TIMEOUT: if (!hotplug_mode) applog(LOG_WARNING, "MTX: %s USB failed to get '%s' - device in use", drv->dname, name); goto fail; case WAIT_FAILED: applog(LOG_ERR, "MTX: %s USB failed to get '%s' err (%d)", drv->dname, name, GetLastError()); goto fail; default: applog(LOG_ERR, "MTX: %s USB failed to get '%s' unknown reply (%d)", drv->dname, name, res); goto fail; } CloseHandle(usbMutex); return true; fail: CloseHandle(usbMutex); return false; #else struct semid_ds seminfo; union semun opt; char name[64]; key_t key; int fd, sem, count; sprintf(name, "/tmp/cgminer-usb-%d-%d", (int)bus_number, (int)device_address); fd = open(name, O_CREAT|O_RDONLY, S_IRUSR|S_IWUSR|S_IRGRP|S_IROTH); if (fd == -1) { applog(LOG_ERR, "SEM: %s USB open failed '%s' err (%d) %s", drv->dname, name, errno, strerror(errno)); return false; } close(fd); key = ftok(name, 'K'); sem = semget(key, 1, IPC_CREAT | IPC_EXCL | 438); if (sem < 0) { if (errno != EEXIST) { applog(LOG_ERR, "SEM: %s USB failed to get '%s' err (%d) %s", drv->dname, name, errno, strerror(errno)); return false; } sem = semget(key, 1, 0); if (sem < 0) { applog(LOG_ERR, "SEM: %s USB failed to access '%s' err (%d) %s", drv->dname, name, errno, strerror(errno)); return false; } opt.seminfo = &seminfo; count = 0; while (++count) { // Should NEVER take 100ms if (count > 99) { applog(LOG_ERR, "SEM: %s USB timeout waiting for (%d) '%s'", drv->dname, sem, name); return false; } if (semctl(sem, 0, IPC_STAT, opt) == -1) { applog(LOG_ERR, "SEM: %s USB failed to wait for (%d) '%s' count %d err (%d) %s", drv->dname, sem, name, count, errno, strerror(errno)); return false; } if (opt.seminfo->sem_otime != 0) break; nmsleep(1); } } struct sembuf sops[] = { { 0, 0, IPC_NOWAIT | SEM_UNDO }, { 0, 1, IPC_NOWAIT | SEM_UNDO } }; if (semop(sem, sops, 2)) { if (errno == EAGAIN) { if (!hotplug_mode) applog(LOG_WARNING, "SEM: %s USB failed to get (%d) '%s' - device in use", drv->dname, sem, name); } else { applog(LOG_DEBUG, "SEM: %s USB failed to get (%d) '%s' err (%d) %s", drv->dname, sem, name, errno, strerror(errno)); } return false; } return true; #endif } static bool cgminer_usb_lock(struct device_drv *drv, libusb_device *dev) { return cgminer_usb_lock_bd(drv, libusb_get_bus_number(dev), libusb_get_device_address(dev)); } // Any errors should always be printed since they will rarely if ever occur // and thus it is best to always display them static void cgminer_usb_unlock_bd(struct device_drv *drv, uint8_t bus_number, uint8_t device_address) { #ifdef WIN32 HANDLE usbMutex; char name[64]; sprintf(name, "cgminer-usb-%d-%d", (int)bus_number, (int)device_address); usbMutex = CreateMutex(NULL, FALSE, name); if (usbMutex == NULL) { applog(LOG_ERR, "MTX: %s USB failed to get '%s' for release err (%d)", drv->dname, name, GetLastError()); return; } if (!ReleaseMutex(usbMutex)) applog(LOG_ERR, "MTX: %s USB failed to release '%s' err (%d)", drv->dname, name, GetLastError()); CloseHandle(usbMutex); return; #else char name[64]; key_t key; int fd, sem; sprintf(name, "/tmp/cgminer-usb-%d-%d", (int)bus_number, (int)device_address); fd = open(name, O_CREAT|O_RDONLY, S_IRUSR|S_IWUSR|S_IRGRP|S_IROTH); if (fd == -1) { applog(LOG_ERR, "SEM: %s USB open failed '%s' for release err (%d) %s", drv->dname, name, errno, strerror(errno)); return; } close(fd); key = ftok(name, 'K'); sem = semget(key, 1, 0); if (sem < 0) { applog(LOG_ERR, "SEM: %s USB failed to get '%s' for release err (%d) %s", drv->dname, name, errno, strerror(errno)); return; } struct sembuf sops[] = { { 0, -1, SEM_UNDO } }; // Allow a 10ms timeout // exceeding this timeout means it would probably never succeed anyway struct timespec timeout = { 0, 10000000 }; // Wait forever since we shoud be the one who has it if (semtimedop(sem, sops, 1, &timeout)) { applog(LOG_ERR, "SEM: %d USB failed to release '%s' err (%d) %s", drv->dname, name, errno, strerror(errno)); } return; #endif } static void cgminer_usb_unlock(struct device_drv *drv, libusb_device *dev) { cgminer_usb_unlock_bd(drv, libusb_get_bus_number(dev), libusb_get_device_address(dev)); } static struct cg_usb_device *free_cgusb(struct cg_usb_device *cgusb) { if (cgusb->serial_string && cgusb->serial_string != BLANK) free(cgusb->serial_string); if (cgusb->manuf_string && cgusb->manuf_string != BLANK) free(cgusb->manuf_string); if (cgusb->prod_string && cgusb->prod_string != BLANK) free(cgusb->prod_string); free(cgusb->descriptor); free(cgusb->found); free(cgusb); return NULL; } void usb_uninit(struct cgpu_info *cgpu) { // May have happened already during a failed initialisation // if release_cgpu() was called due to a USB NODEV(err) if (!cgpu->usbdev) return; libusb_release_interface(cgpu->usbdev->handle, cgpu->usbdev->found->interface); libusb_close(cgpu->usbdev->handle); cgpu->usbdev = free_cgusb(cgpu->usbdev); } static void release_cgpu(struct cgpu_info *cgpu) { struct cg_usb_device *cgusb = cgpu->usbdev; struct cgpu_info *lookcgpu; int i; // It has already been done if (cgpu->usbinfo.nodev) return; total_count--; drv_count[cgpu->drv->drv_id].count--; cgpu->usbinfo.nodev = true; cgpu->usbinfo.nodev_count++; gettimeofday(&(cgpu->usbinfo.last_nodev), NULL); // Any devices sharing the same USB device should be marked also // Currently only MMQ shares a USB device for (i = 0; i < total_devices; i++) { lookcgpu = get_devices(i); if (lookcgpu != cgpu && lookcgpu->usbdev == cgusb) { total_count--; drv_count[lookcgpu->drv->drv_id].count--; lookcgpu->usbinfo.nodev = true; lookcgpu->usbinfo.nodev_count++; memcpy(&(lookcgpu->usbinfo.last_nodev), &(cgpu->usbinfo.last_nodev), sizeof(struct timeval)); lookcgpu->usbdev = NULL; } } usb_uninit(cgpu); cgminer_usb_unlock_bd(cgpu->drv, cgpu->usbinfo.bus_number, cgpu->usbinfo.device_address); } bool usb_init(struct cgpu_info *cgpu, struct libusb_device *dev, struct usb_find_devices *found) { struct cg_usb_device *cgusb = NULL; struct libusb_config_descriptor *config = NULL; const struct libusb_interface_descriptor *idesc; const struct libusb_endpoint_descriptor *epdesc; unsigned char strbuf[STRBUFLEN+1]; char devstr[STRBUFLEN+1]; int err, i, j, k; cgpu->usbinfo.bus_number = libusb_get_bus_number(dev); cgpu->usbinfo.device_address = libusb_get_device_address(dev); sprintf(devstr, "- %s device %d:%d", found->name, cgpu->usbinfo.bus_number, cgpu->usbinfo.device_address); cgusb = calloc(1, sizeof(*cgusb)); cgusb->found = found; cgusb->descriptor = calloc(1, sizeof(*(cgusb->descriptor))); err = libusb_get_device_descriptor(dev, cgusb->descriptor); if (err) { applog(LOG_DEBUG, "USB init failed to get descriptor, err %d %s", err, devstr); goto dame; } err = libusb_open(dev, &(cgusb->handle)); if (err) { switch (err) { case LIBUSB_ERROR_ACCESS: applog(LOG_ERR, "USB init open device failed, err %d, " "you dont have priviledge to access %s", err, devstr); break; #ifdef WIN32 // Windows specific message case LIBUSB_ERROR_NOT_SUPPORTED: applog(LOG_ERR, "USB init, open device failed, err %d, " "you need to install a Windows USB driver for %s", err, devstr); break; #endif default: applog(LOG_DEBUG, "USB init, open failed, err %d %s", err, devstr); } goto dame; } #ifndef WIN32 if (libusb_kernel_driver_active(cgusb->handle, found->kernel) == 1) { applog(LOG_DEBUG, "USB init, kernel attached ... %s", devstr); err = libusb_detach_kernel_driver(cgusb->handle, found->kernel); if (err == 0) { applog(LOG_DEBUG, "USB init, kernel detached successfully %s", devstr); } else { applog(LOG_WARNING, "USB init, kernel detach failed, err %d in use? %s", err, devstr); goto cldame; } } #endif err = libusb_set_configuration(cgusb->handle, found->config); if (err) { switch(err) { case LIBUSB_ERROR_BUSY: applog(LOG_WARNING, "USB init, set config %d in use %s", found->config, devstr); break; default: applog(LOG_DEBUG, "USB init, failed to set config to %d, err %d %s", found->config, err, devstr); } goto cldame; } err = libusb_get_active_config_descriptor(dev, &config); if (err) { applog(LOG_DEBUG, "USB init, failed to get config descriptor, err %d %s", err, devstr); goto cldame; } if ((int)(config->bNumInterfaces) <= found->interface) goto cldame; for (i = 0; i < found->epcount; i++) found->eps[i].found = false; for (i = 0; i < config->interface[found->interface].num_altsetting; i++) { idesc = &(config->interface[found->interface].altsetting[i]); for (j = 0; j < (int)(idesc->bNumEndpoints); j++) { epdesc = &(idesc->endpoint[j]); for (k = 0; k < found->epcount; k++) { if (!found->eps[k].found) { if (epdesc->bmAttributes == found->eps[k].att && epdesc->wMaxPacketSize >= found->eps[k].size && epdesc->bEndpointAddress == found->eps[k].ep) { found->eps[k].found = true; break; } } } } } for (i = 0; i < found->epcount; i++) if (found->eps[i].found == false) goto cldame; err = libusb_claim_interface(cgusb->handle, found->interface); if (err) { switch(err) { case LIBUSB_ERROR_BUSY: applog(LOG_WARNING, "USB init, claim interface %d in use %s", found->interface, devstr); break; default: applog(LOG_DEBUG, "USB init, claim interface %d failed, err %d %s", found->interface, err, devstr); } goto cldame; } cgusb->usbver = cgusb->descriptor->bcdUSB; // TODO: allow this with the right version of the libusb include and running library // cgusb->speed = libusb_get_device_speed(dev); err = libusb_get_string_descriptor_ascii(cgusb->handle, cgusb->descriptor->iProduct, strbuf, STRBUFLEN); if (err > 0) cgusb->prod_string = strdup((char *)strbuf); else cgusb->prod_string = (char *)BLANK; err = libusb_get_string_descriptor_ascii(cgusb->handle, cgusb->descriptor->iManufacturer, strbuf, STRBUFLEN); if (err > 0) cgusb->manuf_string = strdup((char *)strbuf); else cgusb->manuf_string = (char *)BLANK; err = libusb_get_string_descriptor_ascii(cgusb->handle, cgusb->descriptor->iSerialNumber, strbuf, STRBUFLEN); if (err > 0) cgusb->serial_string = strdup((char *)strbuf); else cgusb->serial_string = (char *)BLANK; // TODO: ? // cgusb->fwVersion <- for temp1/temp2 decision? or serial? (driver-modminer.c) // cgusb->interfaceVersion applog(LOG_DEBUG, "USB init %s usbver=%04x prod='%s' manuf='%s' serial='%s'", devstr, cgusb->usbver, cgusb->prod_string, cgusb->manuf_string, cgusb->serial_string); cgpu->usbdev = cgusb; libusb_free_config_descriptor(config); // Allow a name change based on the idVendor+idProduct // N.B. must be done before calling add_cgpu() if (strcmp(cgpu->drv->name, found->name)) { if (!cgpu->drv->copy) cgpu->drv = copy_drv(cgpu->drv); cgpu->drv->name = (char *)(found->name); } return true; cldame: libusb_close(cgusb->handle); dame: if (config) libusb_free_config_descriptor(config); cgusb = free_cgusb(cgusb); return false; } static bool usb_check_device(struct device_drv *drv, struct libusb_device *dev, struct usb_find_devices *look) { struct libusb_device_descriptor desc; int bus_number, device_address; int err, i; bool ok; err = libusb_get_device_descriptor(dev, &desc); if (err) { applog(LOG_DEBUG, "USB check device: Failed to get descriptor, err %d", err); return false; } if (desc.idVendor != look->idVendor || desc.idProduct != look->idProduct) { applog(LOG_DEBUG, "%s looking for %s %04x:%04x but found %04x:%04x instead", drv->name, look->name, look->idVendor, look->idProduct, desc.idVendor, desc.idProduct); return false; } if (busdev_count > 0) { bus_number = (int)libusb_get_bus_number(dev); device_address = (int)libusb_get_device_address(dev); ok = false; for (i = 0; i < busdev_count; i++) { if (bus_number == busdev[i].bus_number) { if (busdev[i].device_address == -1 || device_address == busdev[i].device_address) { ok = true; break; } } } if (!ok) { applog(LOG_DEBUG, "%s rejected %s %04x:%04x with bus:dev (%d:%d)", drv->name, look->name, look->idVendor, look->idProduct, bus_number, device_address); return false; } } applog(LOG_DEBUG, "%s looking for and found %s %04x:%04x", drv->name, look->name, look->idVendor, look->idProduct); return true; } static struct usb_find_devices *usb_check_each(int drvnum, struct device_drv *drv, struct libusb_device *dev) { struct usb_find_devices *found; int i; for (i = 0; find_dev[i].drv != DRV_LAST; i++) if (find_dev[i].drv == drvnum) { if (usb_check_device(drv, dev, &(find_dev[i]))) { found = malloc(sizeof(*found)); memcpy(found, &(find_dev[i]), sizeof(*found)); return found; } } return NULL; } static struct usb_find_devices *usb_check(__maybe_unused struct device_drv *drv, __maybe_unused struct libusb_device *dev) { if (drv_count[drv->drv_id].count >= drv_count[drv->drv_id].limit) { applog(LOG_DEBUG, "USB scan devices3: %s limit %d reached", drv->dname, drv_count[drv->drv_id].limit); return NULL; } #ifdef USE_BFLSC if (drv->drv_id == DRIVER_BFLSC) return usb_check_each(DRV_BFLSC, drv, dev); #endif #ifdef USE_BITFORCE if (drv->drv_id == DRIVER_BITFORCE) return usb_check_each(DRV_BITFORCE, drv, dev); #endif #ifdef USE_ICARUS if (drv->drv_id == DRIVER_ICARUS) return usb_check_each(DRV_ICARUS, drv, dev); #endif #ifdef USE_MODMINER if (drv->drv_id == DRIVER_MODMINER) return usb_check_each(DRV_MODMINER, drv, dev); #endif return NULL; } void usb_detect(struct device_drv *drv, bool (*device_detect)(struct libusb_device *, struct usb_find_devices *)) { libusb_device **list; ssize_t count, i; struct usb_find_devices *found; applog(LOG_DEBUG, "USB scan devices: checking for %s devices", drv->name); if (total_count >= total_limit) { applog(LOG_DEBUG, "USB scan devices: total limit %d reached", total_limit); return; } if (drv_count[drv->drv_id].count >= drv_count[drv->drv_id].limit) { applog(LOG_DEBUG, "USB scan devices: %s limit %d reached", drv->dname, drv_count[drv->drv_id].limit); return; } count = libusb_get_device_list(NULL, &list); if (count < 0) { applog(LOG_DEBUG, "USB scan devices: failed, err %d", count); return; } if (count == 0) applog(LOG_DEBUG, "USB scan devices: found no devices"); for (i = 0; i < count; i++) { if (total_count >= total_limit) { applog(LOG_DEBUG, "USB scan devices2: total limit %d reached", total_limit); break; } if (drv_count[drv->drv_id].count >= drv_count[drv->drv_id].limit) { applog(LOG_DEBUG, "USB scan devices2: %s limit %d reached", drv->dname, drv_count[drv->drv_id].limit); break; } found = usb_check(drv, list[i]); if (found != NULL) { if (cgminer_usb_lock(drv, list[i]) == false) free(found); else { if (!device_detect(list[i], found)) cgminer_usb_unlock(drv, list[i]); else { total_count++; drv_count[drv->drv_id].count++; } } } } libusb_free_device_list(list, 1); } // Set this to 0 to remove stats processing #define DO_USB_STATS 1 #if DO_USB_STATS #define USB_STATS(sgpu, sta, fin, err, cmd, seq) stats(cgpu, sta, fin, err, cmd, seq) #define STATS_TIMEVAL(tv) gettimeofday(tv, NULL) #else #define USB_STATS(sgpu, sta, fin, err, cmd, seq) #define STATS_TIMEVAL(tv) #endif // The stat data can be spurious due to not locking it before copying it - // however that would require the stat() function to also lock and release // a mutex every time a usb read or write is called which would slow // things down more struct api_data *api_usb_stats(__maybe_unused int *count) { #if DO_USB_STATS struct cg_usb_stats_details *details; struct cg_usb_stats *sta; struct api_data *root = NULL; int device; int cmdseq; if (next_stat == 0) return NULL; while (*count < next_stat * C_MAX * 2) { device = *count / (C_MAX * 2); cmdseq = *count % (C_MAX * 2); (*count)++; sta = &(usb_stats[device]); details = &(sta->details[cmdseq]); // Only show stats that have results if (details->item[CMD_CMD].count == 0 && details->item[CMD_TIMEOUT].count == 0 && details->item[CMD_ERROR].count == 0) continue; root = api_add_string(root, "Name", sta->name, false); root = api_add_int(root, "ID", &(sta->device_id), false); root = api_add_const(root, "Stat", usb_commands[cmdseq/2], false); root = api_add_int(root, "Seq", &(details->seq), true); root = api_add_uint64(root, "Count", &(details->item[CMD_CMD].count), true); root = api_add_double(root, "Total Delay", &(details->item[CMD_CMD].total_delay), true); root = api_add_double(root, "Min Delay", &(details->item[CMD_CMD].min_delay), true); root = api_add_double(root, "Max Delay", &(details->item[CMD_CMD].max_delay), true); root = api_add_uint64(root, "Timeout Count", &(details->item[CMD_TIMEOUT].count), true); root = api_add_double(root, "Timeout Total Delay", &(details->item[CMD_TIMEOUT].total_delay), true); root = api_add_double(root, "Timeout Min Delay", &(details->item[CMD_TIMEOUT].min_delay), true); root = api_add_double(root, "Timeout Max Delay", &(details->item[CMD_TIMEOUT].max_delay), true); root = api_add_uint64(root, "Error Count", &(details->item[CMD_ERROR].count), true); root = api_add_double(root, "Error Total Delay", &(details->item[CMD_ERROR].total_delay), true); root = api_add_double(root, "Error Min Delay", &(details->item[CMD_ERROR].min_delay), true); root = api_add_double(root, "Error Max Delay", &(details->item[CMD_ERROR].max_delay), true); root = api_add_timeval(root, "First Command", &(details->item[CMD_CMD].first), true); root = api_add_timeval(root, "Last Command", &(details->item[CMD_CMD].last), true); root = api_add_timeval(root, "First Timeout", &(details->item[CMD_TIMEOUT].first), true); root = api_add_timeval(root, "Last Timeout", &(details->item[CMD_TIMEOUT].last), true); root = api_add_timeval(root, "First Error", &(details->item[CMD_ERROR].first), true); root = api_add_timeval(root, "Last Error", &(details->item[CMD_ERROR].last), true); return root; } #endif return NULL; } #if DO_USB_STATS static void newstats(struct cgpu_info *cgpu) { int i; mutex_lock(&cgusb_lock); cgpu->usbinfo.usbstat = ++next_stat; mutex_unlock(&cgusb_lock); usb_stats = realloc(usb_stats, sizeof(*usb_stats) * next_stat); usb_stats[next_stat-1].name = cgpu->drv->name; usb_stats[next_stat-1].device_id = -1; usb_stats[next_stat-1].details = calloc(1, sizeof(struct cg_usb_stats_details) * C_MAX * 2); for (i = 1; i < C_MAX * 2; i += 2) usb_stats[next_stat-1].details[i].seq = 1; } #endif void update_usb_stats(__maybe_unused struct cgpu_info *cgpu) { #if DO_USB_STATS if (cgpu->usbinfo.usbstat < 1) newstats(cgpu); // we don't know the device_id until after add_cgpu() usb_stats[cgpu->usbinfo.usbstat - 1].device_id = cgpu->device_id; #endif } #if DO_USB_STATS static void stats(struct cgpu_info *cgpu, struct timeval *tv_start, struct timeval *tv_finish, int err, enum usb_cmds cmd, int seq) { struct cg_usb_stats_details *details; double diff; int item; if (cgpu->usbinfo.usbstat < 1) newstats(cgpu); details = &(usb_stats[cgpu->usbinfo.usbstat - 1].details[cmd * 2 + seq]); diff = tdiff(tv_finish, tv_start); switch (err) { case LIBUSB_SUCCESS: item = CMD_CMD; break; case LIBUSB_ERROR_TIMEOUT: item = CMD_TIMEOUT; break; default: item = CMD_ERROR; break; } if (details->item[item].count == 0) { details->item[item].min_delay = diff; memcpy(&(details->item[item].first), tv_start, sizeof(*tv_start)); } else if (diff < details->item[item].min_delay) details->item[item].min_delay = diff; if (diff > details->item[item].max_delay) details->item[item].max_delay = diff; details->item[item].total_delay += diff; memcpy(&(details->item[item].last), tv_start, sizeof(*tv_start)); details->item[item].count++; } static void rejected_inc(struct cgpu_info *cgpu) { struct cg_usb_stats_details *details; int item = CMD_ERROR; if (cgpu->usbinfo.usbstat < 1) newstats(cgpu); details = &(usb_stats[cgpu->usbinfo.usbstat - 1].details[C_REJECTED * 2 + 0]); details->item[item].count++; } #endif int _usb_read(struct cgpu_info *cgpu, int ep, char *buf, size_t bufsiz, int *processed, unsigned int timeout, int eol, enum usb_cmds cmd, bool ftdi) { struct cg_usb_device *usbdev = cgpu->usbdev; #if DO_USB_STATS struct timeval tv_start; #endif struct timeval read_start, tv_finish; unsigned int initial_timeout; double max, done; int err, got, tot, i; bool first = true; if (cgpu->usbinfo.nodev) { *buf = '\0'; *processed = 0; #if DO_USB_STATS rejected_inc(cgpu); #endif return LIBUSB_ERROR_NO_DEVICE; } if (timeout == DEVTIMEOUT) timeout = usbdev->found->timeout; if (eol == -1) { got = 0; STATS_TIMEVAL(&tv_start); err = libusb_bulk_transfer(usbdev->handle, usbdev->found->eps[ep].ep, (unsigned char *)buf, bufsiz, &got, timeout); STATS_TIMEVAL(&tv_finish); USB_STATS(cgpu, &tv_start, &tv_finish, err, cmd, SEQ0); if (ftdi) { // first 2 bytes returned are an FTDI status if (got > 2) { got -= 2; memmove(buf, buf+2, got+1); } else { got = 0; *buf = '\0'; } } *processed = got; if (NODEV(err)) release_cgpu(cgpu); return err; } tot = 0; err = LIBUSB_SUCCESS; initial_timeout = timeout; max = ((double)timeout) / 1000.0; gettimeofday(&read_start, NULL); while (bufsiz) { got = 0; STATS_TIMEVAL(&tv_start); err = libusb_bulk_transfer(usbdev->handle, usbdev->found->eps[ep].ep, (unsigned char *)buf, bufsiz, &got, timeout); gettimeofday(&tv_finish, NULL); USB_STATS(cgpu, &tv_start, &tv_finish, err, cmd, first ? SEQ0 : SEQ1); if (ftdi) { // first 2 bytes returned are an FTDI status if (got > 2) { got -= 2; memmove(buf, buf+2, got+1); } else { got = 0; *buf = '\0'; } } tot += got; if (err) break; // WARNING - this will return data past EOL ('if' there is extra data) for (i = 0; i < got; i++) if (buf[i] == eol) goto goteol; buf += got; bufsiz -= got; first = false; done = tdiff(&tv_finish, &read_start); // N.B. this is return LIBUSB_SUCCESS with whatever size has already been read if (unlikely(done >= max)) break; timeout = initial_timeout - (done * 1000); } goteol: *processed = tot; if (NODEV(err)) release_cgpu(cgpu); return err; } int _usb_write(struct cgpu_info *cgpu, int ep, char *buf, size_t bufsiz, int *processed, unsigned int timeout, enum usb_cmds cmd) { struct cg_usb_device *usbdev = cgpu->usbdev; #if DO_USB_STATS struct timeval tv_start, tv_finish; #endif int err, sent; if (cgpu->usbinfo.nodev) { *processed = 0; #if DO_USB_STATS rejected_inc(cgpu); #endif return LIBUSB_ERROR_NO_DEVICE; } sent = 0; STATS_TIMEVAL(&tv_start); err = libusb_bulk_transfer(usbdev->handle, usbdev->found->eps[ep].ep, (unsigned char *)buf, bufsiz, &sent, timeout == DEVTIMEOUT ? usbdev->found->timeout : timeout); STATS_TIMEVAL(&tv_finish); USB_STATS(cgpu, &tv_start, &tv_finish, err, cmd, SEQ0); *processed = sent; if (NODEV(err)) release_cgpu(cgpu); return err; } int _usb_transfer(struct cgpu_info *cgpu, uint8_t request_type, uint8_t bRequest, uint16_t wValue, uint16_t wIndex, unsigned int timeout, enum usb_cmds cmd) { struct cg_usb_device *usbdev = cgpu->usbdev; #if DO_USB_STATS struct timeval tv_start, tv_finish; #endif int err; if (cgpu->usbinfo.nodev) { #if DO_USB_STATS rejected_inc(cgpu); #endif return LIBUSB_ERROR_NO_DEVICE; } STATS_TIMEVAL(&tv_start); err = libusb_control_transfer(usbdev->handle, request_type, bRequest, wValue, wIndex, NULL, 0, timeout == DEVTIMEOUT ? usbdev->found->timeout : timeout); STATS_TIMEVAL(&tv_finish); USB_STATS(cgpu, &tv_start, &tv_finish, err, cmd, SEQ0); if (NODEV(err)) release_cgpu(cgpu); return err; } void usb_cleanup() { struct cgpu_info *cgpu; int i; hotplug_time = 0; nmsleep(10); for (i = 0; i < total_devices; i++) { cgpu = devices[i]; switch (cgpu->drv->drv_id) { case DRIVER_BFLSC: case DRIVER_BITFORCE: case DRIVER_MODMINER: release_cgpu(cgpu); break; default: break; } } } void usb_initialise() { char *fre, *ptr, *comma, *colon; int bus, dev, lim, i; bool found; for (i = 0; i < DRIVER_MAX; i++) { drv_count[i].count = 0; drv_count[i].limit = 999999; } cgusb_check_init(); if (opt_usb_select && *opt_usb_select) { // Absolute device limit if (*opt_usb_select == ':') { total_limit = atoi(opt_usb_select+1); if (total_limit < 0) quit(1, "Invalid --usb total limit"); // Comma list of bus:dev devices to match } else if (isdigit(*opt_usb_select)) { fre = ptr = strdup(opt_usb_select); do { comma = strchr(ptr, ','); if (comma) *(comma++) = '\0'; colon = strchr(ptr, ':'); if (!colon) quit(1, "Invalid --usb bus:dev missing ':'"); *(colon++) = '\0'; if (!isdigit(*ptr)) quit(1, "Invalid --usb bus:dev - bus must be a number"); if (!isdigit(*colon) && *colon != '*') quit(1, "Invalid --usb bus:dev - dev must be a number or '*'"); bus = atoi(ptr); if (bus <= 0) quit(1, "Invalid --usb bus:dev - bus must be > 0"); if (!colon == '*') dev = -1; else { dev = atoi(colon); if (dev <= 0) quit(1, "Invalid --usb bus:dev - dev must be > 0 or '*'"); } busdev = realloc(busdev, sizeof(*busdev) * (++busdev_count)); busdev[busdev_count-1].bus_number = bus; busdev[busdev_count-1].device_address = dev; ptr = comma; } while (ptr); free(fre); // Comma list of DRV:limit } else { fre = ptr = strdup(opt_usb_select); do { comma = strchr(ptr, ','); if (comma) *(comma++) = '\0'; colon = strchr(ptr, ':'); if (!colon) quit(1, "Invalid --usb DRV:limit missing ':'"); *(colon++) = '\0'; if (!isdigit(*colon)) quit(1, "Invalid --usb DRV:limit - limit must be a number"); lim = atoi(colon); if (lim < 0) quit(1, "Invalid --usb DRV:limit - limit must be >= 0"); found = false; #ifdef USE_BFLSC if (strcasecmp(ptr, bflsc_drv.name) == 0) { drv_count[bflsrc_drv.drv_id].limit = lim; found = true; } #endif #ifdef USE_BITFORCE if (!found && strcasecmp(ptr, bitforce_drv.name) == 0) { drv_count[bitforce_drv.drv_id].limit = lim; found = true; } #endif #ifdef USE_MODMINER if (!found && strcasecmp(ptr, modminer_drv.name) == 0) { drv_count[modminer_drv.drv_id].limit = lim; found = true; } #endif if (!found) quit(1, "Invalid --usb DRV:limit - unknown DRV='%s'", ptr); ptr = comma; } while (ptr); free(fre); } } }