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Code Issues Releases Wiki Activity

bflsc flush/clear output que when we initialise

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This commit is contained in:
Kano 2013-04-27 15:32:37 +10:00
parent ea8aa1aa41
commit 66154e9f2b
1 changed files with 108 additions and 98 deletions
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206
driver-bflsc.c
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@ -462,6 +462,105 @@ static void xlinkstr(char *xlink, int dev, struct bflsc_info *sc_info)
} }
} }
static int write_to_dev(struct cgpu_info *bflsc, int dev, char *buf, int buflen, int *amount, enum usb_cmds cmd)
{
struct DataForwardToChain data;
int len;
if (dev == 0)
return usb_write(bflsc, buf, buflen, amount, cmd);
data.header = BFLSC_XLINKHDR;
data.deviceAddress = (uint8_t)dev;
data.payloadSize = buflen;
memcpy(data.payloadData, buf, buflen);
len = DATAFORWARDSIZE(data);
// TODO: handle xlink timeout message - here or at call?
return usb_write(bflsc, (char *)&data, len, amount, cmd);
}
static bool getok(struct cgpu_info *bflsc, enum usb_cmds cmd, int *err, int *amount)
{
char buf[BFLSC_BUFSIZ+1];
*err = usb_ftdi_read_nl(bflsc, buf, sizeof(buf)-1, amount, cmd);
if (*err < 0 || *amount < (int)BFLSC_OK_LEN)
return false;
else
return true;
}
static bool getokerr(struct cgpu_info *bflsc, enum usb_cmds cmd, int *err, int *amount, char *buf, size_t bufsiz)
{
*err = usb_ftdi_read_nl(bflsc, buf, bufsiz-1, amount, cmd);
if (*err < 0 || *amount < (int)BFLSC_OK_LEN)
return false;
else {
if (*amount > (int)BFLSC_ANERR_LEN && strncmp(buf, BFLSC_ANERR, BFLSC_ANERR_LEN) == 0)
return false;
else
return true;
}
}
static void bflsc_send_flush_work(struct cgpu_info *bflsc, int dev)
{
int err, amount;
// Device is gone
if (bflsc->usbinfo.nodev)
return;
mutex_lock(&bflsc->device_mutex);
err = write_to_dev(bflsc, dev, BFLSC_QFLUSH, BFLSC_QFLUSH_LEN, &amount, C_QUEFLUSH);
if (err < 0 || amount != BFLSC_QFLUSH_LEN) {
mutex_unlock(&bflsc->device_mutex);
bflsc_applog(bflsc, dev, C_QUEFLUSH, amount, err);
} else {
// TODO: do we care if we don't get 'OK'? (always will in normal processing)
err = getok(bflsc, C_QUEFLUSHREPLY, &err, &amount);
mutex_unlock(&bflsc->device_mutex);
// TODO: report an error if not 'OK' ?
}
}
/* return True = attempted usb_ftdi_read_ok()
* set ignore to true means no applog/ignore errors */
static bool bflsc_qres(struct cgpu_info *bflsc, char *buf, size_t bufsiz, int dev, int *err, int *amount, bool ignore)
{
bool readok = false;
mutex_lock(&(bflsc->device_mutex));
*err = write_to_dev(bflsc, dev, BFLSC_QRES, BFLSC_QRES_LEN, amount, C_REQUESTRESULTS);
if (*err < 0 || *amount != BFLSC_QRES_LEN) {
mutex_unlock(&(bflsc->device_mutex));
if (!ignore)
bflsc_applog(bflsc, dev, C_REQUESTRESULTS, *amount, *err);
// TODO: do what? flag as dead device?
// count how many times it has happened and reset/fail it
// or even make sure it is all x-link and that means device
// has failed after some limit of this?
// of course all other I/O must also be failing ...
} else {
readok = true;
*err = usb_ftdi_read_ok(bflsc, buf, bufsiz-1, amount, C_GETRESULTS);
mutex_unlock(&(bflsc->device_mutex));
if (*err < 0 || *amount < 1) {
if (!ignore)
bflsc_applog(bflsc, dev, C_GETRESULTS, *amount, *err);
// TODO: do what? ... see above
}
}
return readok;
}
static void __bflsc_initialise(struct cgpu_info *bflsc) static void __bflsc_initialise(struct cgpu_info *bflsc)
{ {
int err; int err;
@ -546,27 +645,19 @@ static void __bflsc_initialise(struct cgpu_info *bflsc)
static void bflsc_initialise(struct cgpu_info *bflsc) static void bflsc_initialise(struct cgpu_info *bflsc)
{ {
struct bflsc_info *sc_info = (struct bflsc_info *)(bflsc->device_file);
char buf[BFLSC_BUFSIZ+1];
int err, amount;
int dev;
mutex_lock(&(bflsc->device_mutex)); mutex_lock(&(bflsc->device_mutex));
__bflsc_initialise(bflsc); __bflsc_initialise(bflsc);
mutex_unlock(&(bflsc->device_mutex)); mutex_unlock(&(bflsc->device_mutex));
}
static int write_to_dev(struct cgpu_info *bflsc, int dev, char *buf, int buflen, int *amount, enum usb_cmds cmd) for (dev = 0; dev < sc_info->sc_count; dev++) {
{ bflsc_send_flush_work(bflsc, dev);
struct DataForwardToChain data; bflsc_qres(bflsc, buf, sizeof(buf), dev, &err, &amount, true);
int len; }
if (dev == 0)
return usb_write(bflsc, buf, buflen, amount, cmd);
data.header = BFLSC_XLINKHDR;
data.deviceAddress = (uint8_t)dev;
data.payloadSize = buflen;
memcpy(data.payloadData, buf, buflen);
len = DATAFORWARDSIZE(data);
// TODO: handle xlink timeout message - here or at call?
return usb_write(bflsc, (char *)&data, len, amount, cmd);
} }
static bool getinfo(struct cgpu_info *bflsc, int dev) static bool getinfo(struct cgpu_info *bflsc, int dev)
@ -865,52 +956,6 @@ static void get_bflsc_statline_before(char *buf, struct cgpu_info *bflsc)
tailsprintf(buf, " max%3.0fC %4.2fV | ", temp, vcc1); tailsprintf(buf, " max%3.0fC %4.2fV | ", temp, vcc1);
} }
static bool getok(struct cgpu_info *bflsc, enum usb_cmds cmd, int *err, int *amount)
{
char buf[BFLSC_BUFSIZ+1];
*err = usb_ftdi_read_nl(bflsc, buf, sizeof(buf)-1, amount, cmd);
if (*err < 0 || *amount < (int)BFLSC_OK_LEN)
return false;
else
return true;
}
static bool getokerr(struct cgpu_info *bflsc, enum usb_cmds cmd, int *err, int *amount, char *buf, size_t bufsiz)
{
*err = usb_ftdi_read_nl(bflsc, buf, bufsiz-1, amount, cmd);
if (*err < 0 || *amount < (int)BFLSC_OK_LEN)
return false;
else {
if (*amount > (int)BFLSC_ANERR_LEN && strncmp(buf, BFLSC_ANERR, BFLSC_ANERR_LEN) == 0)
return false;
else
return true;
}
}
static void bflsc_send_flush_work(struct cgpu_info *bflsc, int dev)
{
int err, amount;
// Device is gone
if (bflsc->usbinfo.nodev)
return;
mutex_lock(&bflsc->device_mutex);
err = write_to_dev(bflsc, dev, BFLSC_QFLUSH, BFLSC_QFLUSH_LEN, &amount, C_QUEFLUSH);
if (err < 0 || amount != BFLSC_QFLUSH_LEN) {
mutex_unlock(&bflsc->device_mutex);
bflsc_applog(bflsc, dev, C_QUEFLUSH, amount, err);
} else {
// TODO: do we care if we don't get 'OK'? (always will in normal processing)
err = getok(bflsc, C_QUEFLUSHREPLY, &err, &amount);
mutex_unlock(&bflsc->device_mutex);
// TODO: report an error if not 'OK' ?
}
}
static void flush_one_dev(struct cgpu_info *bflsc, int dev) static void flush_one_dev(struct cgpu_info *bflsc, int dev)
{ {
struct bflsc_info *sc_info = (struct bflsc_info *)(bflsc->device_file); struct bflsc_info *sc_info = (struct bflsc_info *)(bflsc->device_file);
@ -1337,41 +1382,6 @@ arigatou:
return que; return que;
} }
/* return True = attempted usb_ftdi_read_ok()
* set ignore to true means no applog/ignore errors */
static bool bflsc_qres(struct cgpu_info *bflsc, char *buf, size_t bufsiz, int dev, int *err, int *amount, bool ignore)
{
bool readok = false;
mutex_lock(&(bflsc->device_mutex));
*err = write_to_dev(bflsc, dev, BFLSC_QRES, BFLSC_QRES_LEN, amount, C_REQUESTRESULTS);
if (*err < 0 || *amount != BFLSC_QRES_LEN) {
mutex_unlock(&(bflsc->device_mutex));
if (!ignore)
bflsc_applog(bflsc, dev, C_REQUESTRESULTS, *amount, *err);
// TODO: do what? flag as dead device?
// count how many times it has happened and reset/fail it
// or even make sure it is all x-link and that means device
// has failed after some limit of this?
// of course all other I/O must also be failing ...
} else {
readok = true;
*err = usb_ftdi_read_ok(bflsc, buf, bufsiz-1, amount, C_GETRESULTS);
mutex_unlock(&(bflsc->device_mutex));
if (*err < 0 || *amount < 1) {
if (!ignore)
bflsc_applog(bflsc, dev, C_GETRESULTS, *amount, *err);
// TODO: do what? ... see above
}
}
return readok;
}
#define TVF(tv) ((float)((tv)->tv_sec) + ((float)((tv)->tv_usec) / 1000000.0)) #define TVF(tv) ((float)((tv)->tv_sec) + ((float)((tv)->tv_usec) / 1000000.0))
#define TVFMS(tv) (TVF(tv) * 1000.0) #define TVFMS(tv) (TVF(tv) * 1000.0)