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usbutils.c
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usbutils.c
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/*
* Copyright 2012-2013 Andrew Smith
* Copyright 2013-2014 Con Kolivas <[email protected]>
*
* 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 <ctype.h>
#include <stdint.h>
#include <stdbool.h>
#include "logging.h"
#include "miner.h"
#include "usbutils.h"
#define USE_SAM3U (0)
static pthread_mutex_t cgusb_lock;
static pthread_mutex_t cgusbres_lock;
static cglock_t cgusb_fd_lock;
static cgtimer_t usb11_cgt;
#define NODEV(err) ((err) != LIBUSB_SUCCESS && (err) != LIBUSB_ERROR_TIMEOUT)
#define NOCONTROLDEV(err) ((err) < 0 && NODEV(err))
/*
* WARNING - these assume DEVLOCK(cgpu, pstate) is called first and
* DEVUNLOCK(cgpu, pstate) in called in the same function with the same pstate
* given to DEVLOCK.
* You must call DEVUNLOCK(cgpu, pstate) before exiting the function or it will leave
* the thread Cancelability unrestored
*/
#define DEVWLOCK(cgpu, _pth_state) do { \
pthread_setcancelstate(PTHREAD_CANCEL_DISABLE, &_pth_state); \
cg_wlock(&cgpu->usbinfo.devlock); \
} while (0)
#define DEVWUNLOCK(cgpu, _pth_state) do { \
cg_wunlock(&cgpu->usbinfo.devlock); \
pthread_setcancelstate(_pth_state, NULL); \
} while (0)
#define DEVRLOCK(cgpu, _pth_state) do { \
pthread_setcancelstate(PTHREAD_CANCEL_DISABLE, &_pth_state); \
cg_rlock(&cgpu->usbinfo.devlock); \
} while (0)
#define DEVRUNLOCK(cgpu, _pth_state) do { \
cg_runlock(&cgpu->usbinfo.devlock); \
pthread_setcancelstate(_pth_state, NULL); \
} while (0)
#define USB_CONFIG 1
#define BITFURY_TIMEOUT_MS 999
#define DRILLBIT_TIMEOUT_MS 999
#define ICARUS_TIMEOUT_MS 999
#define BAIKAL_TIMEOUT_MS 999
// There is no windows version
#define ANT_S1_TIMEOUT_MS 200
#define ANT_S2_TIMEOUT_MS 200
#ifdef WIN32
/* The safety timeout we use, cancelling async transfers on windows that fail
* to timeout on their own. */
#define WIN_CALLBACK_EXTRA 40
#define WIN_WRITE_CBEXTRA 5000
#endif
#define USB_EPS(_intx, _epinfosx) { \
.interface = _intx, \
.ctrl_transfer = _intx, \
.epinfo_count = ARRAY_SIZE(_epinfosx), \
.epinfos = _epinfosx \
}
#define USB_EPS_CTRL(_inty, _ctrlinty, _epinfosy) { \
.interface = _inty, \
.ctrl_transfer = _ctrlinty, \
.epinfo_count = ARRAY_SIZE(_epinfosy), \
.epinfos = _epinfosy \
}
/* Linked list of all async transfers in progress. Protected by cgusb_fd_lock.
* This allows us to not stop the usb polling thread till all are complete, and
* to find cancellable transfers. */
static struct list_head ut_list;
#ifdef USE_BAIKAL
static struct usb_epinfo ltm_epinfos[] = {
#if USE_SAM3U
{ LIBUSB_TRANSFER_TYPE_BULK, 64, EPI(1), 0, 0 },
{ LIBUSB_TRANSFER_TYPE_BULK, 64, EPO(2), 0, 0 }
#else
{ LIBUSB_TRANSFER_TYPE_BULK, 64, EPI(2), 0, 0 },
{ LIBUSB_TRANSFER_TYPE_BULK, 64, EPO(1), 0, 0 }
#endif
};
static struct usb_intinfo ltm_ints[] = {
USB_EPS(1, ltm_epinfos),
USB_EPS(0, ltm_epinfos)
};
#endif
#define IDVENDOR_FTDI 0x0403
#define INTINFO(_ints) \
.intinfo_count = ARRAY_SIZE(_ints), \
.intinfos = _ints
#define USBEP(_usbdev, _intinfo, _epinfo) (_usbdev->found->intinfos[_intinfo].epinfos[_epinfo].ep)
#define THISIF(_found, _this) (_found->intinfos[_this].interface)
#define USBIF(_usbdev, _this) THISIF(_usbdev->found, _this)
// TODO: Add support for (at least) Isochronous endpoints
static struct usb_find_devices find_dev[] = {
#ifdef USE_BAIKAL
{
.drv = DRIVER_baikalu,
.name = "BKLU",
.ident = IDENT_BKL,
#if USE_SAM3U
.idVendor = 0x03EB,
.idProduct = 0x2404,
#else /* STM */
.idVendor = 0x0483,
.idProduct = 0x5740,
#endif
.iManufacturer = "Baikal",
.iProduct = "Baikal Miner",
.config = 1,
.timeout = BAIKAL_TIMEOUT_MS,
.latency = LATENCY_UNUSED,
INTINFO(ltm_ints) },
#endif
{ DRIVER_MAX, NULL, 0, 0, 0, NULL, NULL, 0, 0, 0, 0, NULL }
};
#define STRBUFLEN 256
static const char *BLANK = "";
static const char *space = " ";
static const char *nodatareturned = "no data returned ";
#if 0 // enable USBDEBUG - only during development testing
static const char *debug_true_str = "true";
static const char *debug_false_str = "false";
static const char *nodevstr = "=NODEV";
#define bool_str(boo) ((boo) ? debug_true_str : debug_false_str)
#define isnodev(err) (NODEV(err) ? nodevstr : BLANK)
#define USBDEBUG(fmt, ...) applog(LOG_WARNING, fmt, ##__VA_ARGS__)
#else
#define USBDEBUG(fmt, ...)
#endif
// For device limits by driver
static struct driver_count {
int count;
int limit;
} drv_count[DRIVER_MAX];
// For device limits by list of bus/dev
static struct usb_busdev {
int bus_number;
int device_address;
#ifdef WIN32
void *resource1;
void *resource2;
#else
int fd;
#endif
} *busdev;
static int busdev_count = 0;
// Total device limit
static int total_count = 0;
static int total_limit = 999999;
struct usb_in_use_list {
struct usb_busdev in_use;
struct usb_in_use_list *prev;
struct usb_in_use_list *next;
};
// List of in use devices
static struct usb_in_use_list *in_use_head = NULL;
static struct usb_in_use_list *blacklist_head = NULL;
struct resource_work {
bool lock;
const char *dname;
uint8_t bus_number;
uint8_t device_address;
struct resource_work *next;
};
// Pending work for the reslock thread
struct resource_work *res_work_head = NULL;
struct resource_reply {
uint8_t bus_number;
uint8_t device_address;
bool got;
struct resource_reply *next;
};
// Replies to lock requests
struct resource_reply *res_reply_head = NULL;
// Some stats need to always be defined
#define SEQ0 0
#define SEQ1 1
// NONE must be 0 - calloced
#define MODE_NONE 0
#define MODE_CTRL_READ (1 << 0)
#define MODE_CTRL_WRITE (1 << 1)
#define MODE_BULK_READ (1 << 2)
#define MODE_BULK_WRITE (1 << 3)
// Set this to 0 to remove stats processing
#define DO_USB_STATS 1
static bool stats_initialised = false;
#if DO_USB_STATS
#define MODE_SEP_STR "+"
#define MODE_NONE_STR "X"
#define MODE_CTRL_READ_STR "cr"
#define MODE_CTRL_WRITE_STR "cw"
#define MODE_BULK_READ_STR "br"
#define MODE_BULK_WRITE_STR "bw"
// One for each CMD, TIMEOUT, ERROR
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
// One for each C_CMD
struct cg_usb_stats_details {
int seq;
uint32_t modes;
struct cg_usb_stats_item item[CMD_ERROR+1];
};
// One for each device
struct cg_usb_stats {
char *name;
int device_id;
struct cg_usb_stats_details *details;
};
static struct cg_usb_stats *usb_stats = NULL;
static int next_stat = USB_NOSTAT;
#define SECTOMS(s) ((int)((s) * 1000))
#define USB_STATS(sgpu_, sta_, fin_, err_, mode_, cmd_, seq_, tmo_) \
stats(sgpu_, sta_, fin_, err_, mode_, cmd_, seq_, tmo_)
#define STATS_TIMEVAL(tv_) cgtime(tv_)
#define USB_REJECT(sgpu_, mode_) rejected_inc(sgpu_, mode_)
#else
#define USB_STATS(sgpu_, sta_, fin_, err_, mode_, cmd_, seq_, tmo_)
#define STATS_TIMEVAL(tv_)
#define USB_REJECT(sgpu_, mode_)
#endif // DO_USB_STATS
/* Create usb_commands array from USB_PARSE_COMMANDS macro in usbutils.h */
char *usb_commands[] = {
USB_PARSE_COMMANDS(JUMPTABLE)
"Null"
};
#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 *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 = cgrealloc(*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) {
snprintf(tmp, sizeof(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) {
snprintf(tmp, sizeof(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;
}
snprintf(tmp, sizeof(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) {
snprintf(tmp, sizeof(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 != DRIVER_MAX; i++)
if ((find_dev[i].idVendor == desc.idVendor) &&
(find_dev[i].idProduct == desc.idProduct)) {
known = true;
break;
}
if (!known)
return;
}
(*count)++;
if (level == 0) {
snprintf(tmp, sizeof(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 {
snprintf(tmp, sizeof(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) {
snprintf(tmp, sizeof(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)
snprintf((char *)man, sizeof(man), "** err:(%d) %s", err, libusb_error_name(err));
err = libusb_get_string_descriptor_ascii(handle, desc.iProduct, prod, STRBUFLEN);
if (err < 0)
snprintf((char *)prod, sizeof(prod), "** err:(%d) %s", err, libusb_error_name(err));
if (level == 0) {
libusb_close(handle);
snprintf(tmp, sizeof(tmp), EOL " Manufacturer: '%s'" EOL " Product: '%s'", man, prod);
append(buf, tmp, off, len);
return;
}
if (libusb_kernel_driver_active(handle, 0) == 1) {
snprintf(tmp, sizeof(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);
snprintf(tmp, sizeof(tmp), EOL " ** dev %d: Failed to set config descriptor to %d or %d",
(int)(*count), 1, 0);
append(buf, tmp, off, len);
return;
}
}
snprintf(tmp, sizeof(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]);
snprintf(tmp, sizeof(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]);
snprintf(tmp, sizeof(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)
snprintf((char *)ser, sizeof(ser), "** err:(%d) %s", err, libusb_error_name(err));
snprintf(tmp, sizeof(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, libusb_error_name((int)count));
return;
}
if (count == 0)
applog(LOG_WARNING, "USB all: found no devices");
else
{
len = 10000;
buf = malloc(len+1);
if (unlikely(!buf))
quit(1, "USB failed to malloc buf in usb_all");
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, buf, false);
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);
}
stats_initialised = true;
}
mutex_unlock(&cgusb_lock);
}
const char *usb_cmdname(enum usb_cmds cmd)
{
cgusb_check_init();
return usb_commands[cmd];
}
void usb_applog(struct cgpu_info *cgpu, enum usb_cmds cmd, char *msg, int amount, int err)
{
if (msg && !*msg)
msg = NULL;
if (!msg && amount == 0 && err == LIBUSB_SUCCESS)
msg = (char *)nodatareturned;
applog(LOG_ERR, "%s%i: %s failed%s%s (err=%d amt=%d)",
cgpu->drv->name, cgpu->device_id,
usb_cmdname(cmd),
msg ? space : BLANK, msg ? msg : BLANK,
err, amount);
}
#ifdef WIN32
static void in_use_store_ress(uint8_t bus_number, uint8_t device_address, void *resource1, void *resource2)
{
struct usb_in_use_list *in_use_tmp;
bool found = false, empty = true;
mutex_lock(&cgusb_lock);
in_use_tmp = in_use_head;
while (in_use_tmp) {
if (in_use_tmp->in_use.bus_number == (int)bus_number &&
in_use_tmp->in_use.device_address == (int)device_address) {
found = true;
if (in_use_tmp->in_use.resource1)
empty = false;
in_use_tmp->in_use.resource1 = resource1;
if (in_use_tmp->in_use.resource2)
empty = false;
in_use_tmp->in_use.resource2 = resource2;
break;
}
in_use_tmp = in_use_tmp->next;
}
mutex_unlock(&cgusb_lock);
if (found == false)
applog(LOG_ERR, "FAIL: USB store_ress not found (%d:%d)",
(int)bus_number, (int)device_address);
if (empty == false)
applog(LOG_ERR, "FAIL: USB store_ress not empty (%d:%d)",
(int)bus_number, (int)device_address);
}
static void in_use_get_ress(uint8_t bus_number, uint8_t device_address, void **resource1, void **resource2)
{
struct usb_in_use_list *in_use_tmp;
bool found = false, empty = false;
mutex_lock(&cgusb_lock);
in_use_tmp = in_use_head;
while (in_use_tmp) {
if (in_use_tmp->in_use.bus_number == (int)bus_number &&
in_use_tmp->in_use.device_address == (int)device_address) {
found = true;
if (!in_use_tmp->in_use.resource1)
empty = true;
*resource1 = in_use_tmp->in_use.resource1;
in_use_tmp->in_use.resource1 = NULL;
if (!in_use_tmp->in_use.resource2)
empty = true;
*resource2 = in_use_tmp->in_use.resource2;
in_use_tmp->in_use.resource2 = NULL;
break;
}
in_use_tmp = in_use_tmp->next;
}
mutex_unlock(&cgusb_lock);
if (found == false)
applog(LOG_ERR, "FAIL: USB get_lock not found (%d:%d)",
(int)bus_number, (int)device_address);
if (empty == true)
applog(LOG_ERR, "FAIL: USB get_lock empty (%d:%d)",
(int)bus_number, (int)device_address);
}
#else
static void in_use_store_fd(uint8_t bus_number, uint8_t device_address, int fd)
{
struct usb_in_use_list *in_use_tmp;
bool found = false;
mutex_lock(&cgusb_lock);
in_use_tmp = in_use_head;
while (in_use_tmp) {
if (in_use_tmp->in_use.bus_number == (int)bus_number &&
in_use_tmp->in_use.device_address == (int)device_address) {
found = true;
in_use_tmp->in_use.fd = fd;
break;
}
in_use_tmp = in_use_tmp->next;
}
mutex_unlock(&cgusb_lock);
if (found == false) {
applog(LOG_ERR, "FAIL: USB store_fd not found (%d:%d)",
(int)bus_number, (int)device_address);
}
}
static int in_use_get_fd(uint8_t bus_number, uint8_t device_address)
{
struct usb_in_use_list *in_use_tmp;
bool found = false;
int fd = -1;
mutex_lock(&cgusb_lock);
in_use_tmp = in_use_head;
while (in_use_tmp) {
if (in_use_tmp->in_use.bus_number == (int)bus_number &&
in_use_tmp->in_use.device_address == (int)device_address) {
found = true;
fd = in_use_tmp->in_use.fd;
break;
}
in_use_tmp = in_use_tmp->next;
}
mutex_unlock(&cgusb_lock);
if (found == false) {
applog(LOG_ERR, "FAIL: USB get_lock not found (%d:%d)",
(int)bus_number, (int)device_address);
}
return fd;
}
#endif
static bool _in_use(struct usb_in_use_list *head, uint8_t bus_number,
uint8_t device_address)
{
struct usb_in_use_list *in_use_tmp;
bool ret = false;
in_use_tmp = head;
while (in_use_tmp) {
if (in_use_tmp->in_use.bus_number == (int)bus_number &&
in_use_tmp->in_use.device_address == (int)device_address) {
ret = true;
break;
}
in_use_tmp = in_use_tmp->next;
if (in_use_tmp == head)
break;
}
return ret;
}
static bool __is_in_use(uint8_t bus_number, uint8_t device_address)
{
if (_in_use(in_use_head, bus_number, device_address))
return true;
if (_in_use(blacklist_head, bus_number, device_address))
return true;
return false;
}
static bool is_in_use_bd(uint8_t bus_number, uint8_t device_address)
{
bool ret;
mutex_lock(&cgusb_lock);
ret = __is_in_use(bus_number, device_address);
mutex_unlock(&cgusb_lock);
return ret;
}
static bool is_in_use(libusb_device *dev)
{
return is_in_use_bd(libusb_get_bus_number(dev), libusb_get_device_address(dev));
}
static bool how_in_use(uint8_t bus_number, uint8_t device_address, bool *blacklisted)
{
bool ret;
mutex_lock(&cgusb_lock);
ret = _in_use(in_use_head, bus_number, device_address);
if (!ret) {
if (_in_use(blacklist_head, bus_number, device_address))
*blacklisted = true;
}
mutex_unlock(&cgusb_lock);
return ret;
}
void usb_list(void)
{
struct libusb_device_descriptor desc;
struct libusb_device_handle *handle;
uint8_t bus_number;
uint8_t device_address;
libusb_device **list;
ssize_t count, i, j;
int err, total = 0;
count = libusb_get_device_list(NULL, &list);
if (count < 0) {
applog(LOG_ERR, "USB list: failed, err:(%d) %s", (int)count, libusb_error_name((int)count));
return;
}
if (count == 0) {
applog(LOG_WARNING, "USB list: found no devices");
return;
}
for (i = 0; i < count; i++) {
bool known = false, blacklisted = false, active;
unsigned char manuf[256], prod[256];
libusb_device *dev = list[i];
err = libusb_get_device_descriptor(dev, &desc);
if (err) {
applog(LOG_WARNING, "USB list: Failed to get descriptor %d", (int)i);
break;
}
bus_number = libusb_get_bus_number(dev);
device_address = libusb_get_device_address(dev);
for (j = 0; find_dev[j].drv != DRIVER_MAX; j++) {
if ((find_dev[j].idVendor == desc.idVendor) &&
(find_dev[j].idProduct == desc.idProduct)) {
known = true;
break;
}
}
if (!known)
continue;
err = libusb_open(dev, &handle);
if (err) {
applog(LOG_WARNING, "USB list: Failed to open %d", (int)i);
break;
}
libusb_get_string_descriptor_ascii(handle, desc.iManufacturer, manuf, 255);
libusb_get_string_descriptor_ascii(handle, desc.iProduct, prod, 255);
total++;
active = how_in_use(bus_number, device_address, &blacklisted);
applog(LOG_WARNING, "Bus %u Device %u ID: %04x:%04x %s %s %sactive %s",
bus_number, device_address, desc.idVendor, desc.idProduct,
manuf, prod, active ? "" : "in", blacklisted ? "blacklisted" : "");
}
libusb_free_device_list(list, 1);
applog(LOG_WARNING, "%d total known USB device%s", total, total > 1 ? "s": "");
}
static void add_in_use(uint8_t bus_number, uint8_t device_address, bool blacklist)
{
struct usb_in_use_list *in_use_tmp, **head;
bool found = false;
mutex_lock(&cgusb_lock);
if (unlikely(!blacklist && __is_in_use(bus_number, device_address))) {
found = true;
goto nofway;
}
if (blacklist)
head = &blacklist_head;
else
head = &in_use_head;
in_use_tmp = cgcalloc(1, sizeof(*in_use_tmp));
in_use_tmp->in_use.bus_number = (int)bus_number;
in_use_tmp->in_use.device_address = (int)device_address;
in_use_tmp->next = in_use_head;
if (*head)
(*head)->prev = in_use_tmp;
*head = in_use_tmp;
nofway:
mutex_unlock(&cgusb_lock);
if (found)
applog(LOG_ERR, "FAIL: USB add already in use (%d:%d)",
(int)bus_number, (int)device_address);
}
static void __remove_in_use(uint8_t bus_number, uint8_t device_address, bool blacklist)
{
struct usb_in_use_list *in_use_tmp, **head;
bool found = false;
mutex_lock(&cgusb_lock);
if (blacklist)
head = &blacklist_head;
else
head = &in_use_head;
in_use_tmp = *head;