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sgminer
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usbutils/mmq fixed size usb_read default to wait for all data

nfactor-troky
Kano 12 years ago
parent
f518f33674
commit
05dd48ace1
3 changed files with 73 additions and 43 deletions
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  1. 4
      driver-modminer.c
  2. 63
      usbutils.c
  3. 21
      usbutils.h

4
driver-modminer.c
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@ -103,7 +103,7 @@ static void do_ping(struct cgpu_info *modminer)
modminer->drv->name, modminer->fpgaid, amount, err); modminer->drv->name, modminer->fpgaid, amount, err);
// Clear any outstanding data // Clear any outstanding data
while ((err = usb_read(modminer, buf, sizeof(buf)-1, &amount, C_CLEAR)) == 0 && amount > 0) while ((err = usb_read_once(modminer, buf, sizeof(buf)-1, &amount, C_CLEAR)) == 0 && amount > 0)
applog(LOG_DEBUG, "%s%u: clear got %d", applog(LOG_DEBUG, "%s%u: clear got %d",
modminer->drv->name, modminer->fpgaid, amount); modminer->drv->name, modminer->fpgaid, amount);
@ -141,7 +141,7 @@ static bool modminer_detect_one(struct libusb_device *dev, struct usb_find_devic
goto unshin; goto unshin;
} }
if ((err = usb_read(modminer, buf, sizeof(buf)-1, &amount, C_GETVERSION)) < 0 || amount < 1) { if ((err = usb_read_once(modminer, buf, sizeof(buf)-1, &amount, C_GETVERSION)) < 0 || amount < 1) {
if (err < 0) if (err < 0)
applog(LOG_ERR, "%s detect (%s) no version reply (%d)", applog(LOG_ERR, "%s detect (%s) no version reply (%d)",
modminer->drv->dname, devpath, err); modminer->drv->dname, devpath, err);

63
usbutils.c
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@ -1837,7 +1837,7 @@ static void rejected_inc(struct cgpu_info *cgpu)
#define USB_MAX_READ 8192 #define USB_MAX_READ 8192
int _usb_read(struct cgpu_info *cgpu, int ep, char *buf, size_t bufsiz, int *processed, unsigned int timeout, const char *end, enum usb_cmds cmd, bool ftdi) int _usb_read(struct cgpu_info *cgpu, int ep, char *buf, size_t bufsiz, int *processed, unsigned int timeout, const char *end, enum usb_cmds cmd, bool ftdi, bool readonce)
{ {
struct cg_usb_device *usbdev = cgpu->usbdev; struct cg_usb_device *usbdev = cgpu->usbdev;
#if DO_USB_STATS #if DO_USB_STATS
@ -1846,7 +1846,7 @@ int _usb_read(struct cgpu_info *cgpu, int ep, char *buf, size_t bufsiz, int *pro
struct timeval read_start, tv_finish; struct timeval read_start, tv_finish;
unsigned int initial_timeout; unsigned int initial_timeout;
double max, done; double max, done;
int err, got, tot; int bufleft, err, got, tot;
bool first = true; bool first = true;
unsigned char *search; unsigned char *search;
int endlen; int endlen;
@ -1855,7 +1855,7 @@ int _usb_read(struct cgpu_info *cgpu, int ep, char *buf, size_t bufsiz, int *pro
unsigned char usbbuf[USB_MAX_READ+4], *ptr; unsigned char usbbuf[USB_MAX_READ+4], *ptr;
size_t usbbufread; size_t usbbufread;
USBDEBUG("USB debug: _usb_read(%s (nodev=%s),ep=%d,buf=%p,bufsiz=%zu,proc=%p,timeout=%u,end=%s,cmd=%s,ftdi=%s)", cgpu->drv->name, bool_str(cgpu->usbinfo.nodev), ep, buf, bufsiz, processed, timeout, end ? (char *)str_text((char *)end) : "NULL", usb_cmdname(cmd), bool_str(ftdi)); USBDEBUG("USB debug: _usb_read(%s (nodev=%s),ep=%d,buf=%p,bufsiz=%zu,proc=%p,timeout=%u,end=%s,cmd=%s,ftdi=%s,readonce=%s)", cgpu->drv->name, bool_str(cgpu->usbinfo.nodev), ep, buf, bufsiz, processed, timeout, end ? (char *)str_text((char *)end) : "NULL", usb_cmdname(cmd), bool_str(ftdi), bool_str(readonce));
if (bufsiz > USB_MAX_READ) if (bufsiz > USB_MAX_READ)
quit(1, "%s USB read request %d too large (max=%d)", cgpu->drv->name, bufsiz, USB_MAX_READ); quit(1, "%s USB read request %d too large (max=%d)", cgpu->drv->name, bufsiz, USB_MAX_READ);
@ -1873,34 +1873,60 @@ int _usb_read(struct cgpu_info *cgpu, int ep, char *buf, size_t bufsiz, int *pro
timeout = usbdev->found->timeout; timeout = usbdev->found->timeout;
if (end == NULL) { if (end == NULL) {
tot = 0;
ptr = usbbuf;
bufleft = bufsiz;
err = LIBUSB_SUCCESS;
initial_timeout = timeout;
max = ((double)timeout) / 1000.0;
cgtime(&read_start);
while (bufleft > 0) {
if (ftdi) if (ftdi)
usbbufread = bufsiz + 2; usbbufread = bufleft + 2;
else else
usbbufread = bufsiz; usbbufread = bufleft;
got = 0; got = 0;
STATS_TIMEVAL(&tv_start); STATS_TIMEVAL(&tv_start);
err = libusb_bulk_transfer(usbdev->handle, err = libusb_bulk_transfer(usbdev->handle,
usbdev->found->eps[ep].ep, usbdev->found->eps[ep].ep,
usbbuf, usbbufread, &got, timeout); ptr, usbbufread, &got, timeout);
STATS_TIMEVAL(&tv_finish); STATS_TIMEVAL(&tv_finish);
USB_STATS(cgpu, &tv_start, &tv_finish, err, cmd, SEQ0); USB_STATS(cgpu, &tv_start, &tv_finish, err, cmd, first ? SEQ0 : SEQ1);
usbbuf[got] = '\0'; ptr[got] = '\0';
USBDEBUG("USB debug: @_usb_read(%s (nodev=%s)) err=%d%s got=%d usbbuf='%s' usbbufread=%zu", cgpu->drv->name, bool_str(cgpu->usbinfo.nodev), err, isnodev(err), got, (char *)str_text((char *)usbbuf), usbbufread); USBDEBUG("USB debug: @_usb_read(%s (nodev=%s)) first=%s err=%d%s got=%d ptr='%s' usbbufread=%zu", cgpu->drv->name, bool_str(cgpu->usbinfo.nodev), bool_str(first), err, isnodev(err), got, (char *)str_text((char *)ptr), usbbufread);
if (ftdi) { if (ftdi) {
// first 2 bytes returned are an FTDI status // first 2 bytes returned are an FTDI status
if (got > 2) { if (got > 2) {
got -= 2; got -= 2;
memmove(usbbuf, usbbuf+2, got+1); memmove(ptr, ptr+2, got+1);
} else { } else {
got = 0; got = 0;
usbbuf[0] = '\0'; *ptr = '\0';
} }
} }
*processed = got; tot += got;
memcpy((char *)buf, (const char *)usbbuf, (got < (int)bufsiz) ? got + 1 : (int)bufsiz);
if (err || readonce)
break;
ptr += got;
bufleft -= 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);
}
*processed = tot;
memcpy((char *)buf, (const char *)usbbuf, (tot < (int)bufsiz) ? tot + 1 : (int)bufsiz);
if (NODEV(err)) if (NODEV(err))
release_cgpu(cgpu); release_cgpu(cgpu);
@ -1910,16 +1936,17 @@ int _usb_read(struct cgpu_info *cgpu, int ep, char *buf, size_t bufsiz, int *pro
tot = 0; tot = 0;
ptr = usbbuf; ptr = usbbuf;
bufleft = bufsiz;
endlen = strlen(end); endlen = strlen(end);
err = LIBUSB_SUCCESS; err = LIBUSB_SUCCESS;
initial_timeout = timeout; initial_timeout = timeout;
max = ((double)timeout) / 1000.0; max = ((double)timeout) / 1000.0;
cgtime(&read_start); cgtime(&read_start);
while (bufsiz) { while (bufleft > 0) {
if (ftdi) if (ftdi)
usbbufread = bufsiz + 2; usbbufread = bufleft + 2;
else else
usbbufread = bufsiz; usbbufread = bufleft;
got = 0; got = 0;
STATS_TIMEVAL(&tv_start); STATS_TIMEVAL(&tv_start);
err = libusb_bulk_transfer(usbdev->handle, err = libusb_bulk_transfer(usbdev->handle,
@ -1944,7 +1971,7 @@ int _usb_read(struct cgpu_info *cgpu, int ep, char *buf, size_t bufsiz, int *pro
tot += got; tot += got;
if (err) if (err || readonce)
break; break;
// WARNING - this will return data past END ('if' there is extra data) // WARNING - this will return data past END ('if' there is extra data)
@ -1966,7 +1993,7 @@ int _usb_read(struct cgpu_info *cgpu, int ep, char *buf, size_t bufsiz, int *pro
} }
ptr += got; ptr += got;
bufsiz -= got; bufleft -= got;
first = false; first = false;

21
usbutils.h
Unescape View File

@ -150,26 +150,29 @@ bool usb_init(struct cgpu_info *cgpu, struct libusb_device *dev, struct usb_find
void usb_detect(struct device_drv *drv, bool (*device_detect)(struct libusb_device *, struct usb_find_devices *)); void usb_detect(struct device_drv *drv, bool (*device_detect)(struct libusb_device *, struct usb_find_devices *));
struct api_data *api_usb_stats(int *count); struct api_data *api_usb_stats(int *count);
void update_usb_stats(struct cgpu_info *cgpu); void update_usb_stats(struct cgpu_info *cgpu);
int _usb_read(struct cgpu_info *cgpu, int ep, char *buf, size_t bufsiz, int *processed, unsigned int timeout, const char *end, enum usb_cmds cmd, bool ftdi); int _usb_read(struct cgpu_info *cgpu, int ep, char *buf, size_t bufsiz, int *processed, unsigned int timeout, const char *end, enum usb_cmds cmd, bool ftdi, bool readonce);
int _usb_write(struct cgpu_info *cgpu, int ep, char *buf, size_t bufsiz, int *processed, unsigned int timeout, enum usb_cmds); int _usb_write(struct cgpu_info *cgpu, int ep, char *buf, size_t bufsiz, int *processed, unsigned int timeout, enum usb_cmds);
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); 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);
void usb_cleanup(); void usb_cleanup();
void usb_initialise(); void usb_initialise();
#define usb_read(cgpu, buf, bufsiz, read, cmd) \ #define usb_read(cgpu, buf, bufsiz, read, cmd) \
_usb_read(cgpu, DEFAULT_EP_IN, buf, bufsiz, read, DEVTIMEOUT, NULL, cmd, false) _usb_read(cgpu, DEFAULT_EP_IN, buf, bufsiz, read, DEVTIMEOUT, NULL, cmd, false, false)
#define usb_read_once(cgpu, buf, bufsiz, read, cmd) \
_usb_read(cgpu, DEFAULT_EP_IN, buf, bufsiz, read, DEVTIMEOUT, NULL, cmd, false, true)
#define usb_read_nl(cgpu, buf, bufsiz, read, cmd) \ #define usb_read_nl(cgpu, buf, bufsiz, read, cmd) \
_usb_read(cgpu, DEFAULT_EP_IN, buf, bufsiz, read, DEVTIMEOUT, "\n", cmd, false) _usb_read(cgpu, DEFAULT_EP_IN, buf, bufsiz, read, DEVTIMEOUT, "\n", cmd, false, false)
#define usb_read_ep(cgpu, ep, buf, bufsiz, read, cmd) \ #define usb_read_ep(cgpu, ep, buf, bufsiz, read, cmd) \
_usb_read(cgpu, ep, buf, bufsiz, read, DEVTIMEOUT, NULL, cmd, false) _usb_read(cgpu, ep, buf, bufsiz, read, DEVTIMEOUT, NULL, cmd, false, false)
#define usb_read_timeout(cgpu, buf, bufsiz, read, timeout, cmd) \ #define usb_read_timeout(cgpu, buf, bufsiz, read, timeout, cmd) \
_usb_read(cgpu, DEFAULT_EP_IN, buf, bufsiz, read, timeout, NULL, cmd, false) _usb_read(cgpu, DEFAULT_EP_IN, buf, bufsiz, read, timeout, NULL, cmd, false, false)
#define usb_read_ep_timeout(cgpu, ep, buf, bufsiz, read, timeout, cmd) \ #define usb_read_ep_timeout(cgpu, ep, buf, bufsiz, read, timeout, cmd) \
_usb_read(cgpu, ep, buf, bufsiz, read, timeout, NULL, cmd, false) _usb_read(cgpu, ep, buf, bufsiz, read, timeout, NULL, cmd, false, false)
#define usb_write(cgpu, buf, bufsiz, wrote, cmd) \ #define usb_write(cgpu, buf, bufsiz, wrote, cmd) \
_usb_write(cgpu, DEFAULT_EP_OUT, buf, bufsiz, wrote, DEVTIMEOUT, cmd) _usb_write(cgpu, DEFAULT_EP_OUT, buf, bufsiz, wrote, DEVTIMEOUT, cmd)
@ -184,13 +187,13 @@ void usb_initialise();
_usb_write(cgpu, ep, buf, bufsiz, wrote, timeout, cmd) _usb_write(cgpu, ep, buf, bufsiz, wrote, timeout, cmd)
#define usb_ftdi_read(cgpu, buf, bufsiz, read, cmd) \ #define usb_ftdi_read(cgpu, buf, bufsiz, read, cmd) \
_usb_read(cgpu, DEFAULT_EP_IN, buf, bufsiz, read, DEVTIMEOUT, NULL, cmd, true) _usb_read(cgpu, DEFAULT_EP_IN, buf, bufsiz, read, DEVTIMEOUT, NULL, cmd, true, false)
#define usb_ftdi_read_nl(cgpu, buf, bufsiz, read, cmd) \ #define usb_ftdi_read_nl(cgpu, buf, bufsiz, read, cmd) \
_usb_read(cgpu, DEFAULT_EP_IN, buf, bufsiz, read, DEVTIMEOUT, "\n", cmd, true) _usb_read(cgpu, DEFAULT_EP_IN, buf, bufsiz, read, DEVTIMEOUT, "\n", cmd, true, false)
#define usb_ftdi_read_ok(cgpu, buf, bufsiz, read, cmd) \ #define usb_ftdi_read_ok(cgpu, buf, bufsiz, read, cmd) \
_usb_read(cgpu, DEFAULT_EP_IN, buf, bufsiz, read, DEVTIMEOUT, "OK\n", cmd, true) _usb_read(cgpu, DEFAULT_EP_IN, buf, bufsiz, read, DEVTIMEOUT, "OK\n", cmd, true, false)
#define usb_transfer(cgpu, typ, req, val, idx, cmd) \ #define usb_transfer(cgpu, typ, req, val, idx, cmd) \
_usb_transfer(cgpu, typ, req, val, idx, DEVTIMEOUT, cmd) _usb_transfer(cgpu, typ, req, val, idx, DEVTIMEOUT, cmd)

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