/*
- * Copyright (c) 2006, 2007 QLogic Corporation. All rights reserved.
+ * Copyright (c) 2006, 2007, 2008 QLogic Corporation. All rights reserved.
* Copyright (c) 2003, 2004, 2005, 2006 PathScale, Inc. All rights reserved.
*
* This software is available to you under a choice of one of two
/* Only needed for registration, nothing else needs this info */
#define PCI_VENDOR_ID_PATHSCALE 0x1fc1
+#define PCI_VENDOR_ID_QLOGIC 0x1077
#define PCI_DEVICE_ID_INFINIPATH_HT 0xd
#define PCI_DEVICE_ID_INFINIPATH_PE800 0x10
+#define PCI_DEVICE_ID_INFINIPATH_7220 0x7220
/* Number of seconds before our card status check... */
#define STATUS_TIMEOUT 60
static const struct pci_device_id ipath_pci_tbl[] = {
{ PCI_DEVICE(PCI_VENDOR_ID_PATHSCALE, PCI_DEVICE_ID_INFINIPATH_HT) },
{ PCI_DEVICE(PCI_VENDOR_ID_PATHSCALE, PCI_DEVICE_ID_INFINIPATH_PE800) },
+ { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_INFINIPATH_7220) },
{ 0, }
};
"CONFIG_PCI_MSI is not enabled\n", ent->device);
return -ENODEV;
#endif
+ case PCI_DEVICE_ID_INFINIPATH_7220:
+#ifndef CONFIG_PCI_MSI
+ ipath_dbg("CONFIG_PCI_MSI is not enabled, "
+ "using INTx for unit %u\n", dd->ipath_unit);
+#endif
+ ipath_init_iba7220_funcs(dd);
+ break;
default:
ipath_dev_err(dd, "Found unknown QLogic deviceid 0x%x, "
"failing\n", ent->device);
return (dd->ipath_flags & state) ? 0 : -ETIMEDOUT;
}
+static void decode_sdma_errs(struct ipath_devdata *dd, ipath_err_t err,
+ char *buf, size_t blen)
+{
+ static const struct {
+ ipath_err_t err;
+ const char *msg;
+ } errs[] = {
+ { INFINIPATH_E_SDMAGENMISMATCH, "SDmaGenMismatch" },
+ { INFINIPATH_E_SDMAOUTOFBOUND, "SDmaOutOfBound" },
+ { INFINIPATH_E_SDMATAILOUTOFBOUND, "SDmaTailOutOfBound" },
+ { INFINIPATH_E_SDMABASE, "SDmaBase" },
+ { INFINIPATH_E_SDMA1STDESC, "SDma1stDesc" },
+ { INFINIPATH_E_SDMARPYTAG, "SDmaRpyTag" },
+ { INFINIPATH_E_SDMADWEN, "SDmaDwEn" },
+ { INFINIPATH_E_SDMAMISSINGDW, "SDmaMissingDw" },
+ { INFINIPATH_E_SDMAUNEXPDATA, "SDmaUnexpData" },
+ { INFINIPATH_E_SDMADESCADDRMISALIGN, "SDmaDescAddrMisalign" },
+ { INFINIPATH_E_SENDBUFMISUSE, "SendBufMisuse" },
+ { INFINIPATH_E_SDMADISABLED, "SDmaDisabled" },
+ };
+ int i;
+ int expected;
+ size_t bidx = 0;
+
+ for (i = 0; i < ARRAY_SIZE(errs); i++) {
+ expected = (errs[i].err != INFINIPATH_E_SDMADISABLED) ? 0 :
+ test_bit(IPATH_SDMA_ABORTING, &dd->ipath_sdma_status);
+ if ((err & errs[i].err) && !expected)
+ bidx += snprintf(buf + bidx, blen - bidx,
+ "%s ", errs[i].msg);
+ }
+}
+
/*
* Decode the error status into strings, deciding whether to always
* print * it or not depending on "normal packet errors" vs everything
* else. Return 1 if "real" errors, otherwise 0 if only packet
* errors, so caller can decide what to print with the string.
*/
-int ipath_decode_err(char *buf, size_t blen, ipath_err_t err)
+int ipath_decode_err(struct ipath_devdata *dd, char *buf, size_t blen,
+ ipath_err_t err)
{
int iserr = 1;
*buf = '\0';
strlcat(buf, "hardware ", blen);
if (err & INFINIPATH_E_RESET)
strlcat(buf, "reset ", blen);
+ if (err & INFINIPATH_E_SDMAERRS)
+ decode_sdma_errs(dd, err, buf, blen);
if (err & INFINIPATH_E_INVALIDEEPCMD)
strlcat(buf, "invalideepromcmd ", blen);
done:
*/
void ipath_cancel_sends(struct ipath_devdata *dd, int restore_sendctrl)
{
+ unsigned long flags;
+
if (dd->ipath_flags & IPATH_IB_AUTONEG_INPROG) {
ipath_cdbg(VERBOSE, "Ignore while in autonegotiation\n");
goto bail;
}
+ /*
+ * If we have SDMA, and it's not disabled, we have to kick off the
+ * abort state machine, provided we aren't already aborting.
+ * If we are in the process of aborting SDMA (!DISABLED, but ABORTING),
+ * we skip the rest of this routine. It is already "in progress"
+ */
+ if (dd->ipath_flags & IPATH_HAS_SEND_DMA) {
+ int skip_cancel;
+ u64 *statp = &dd->ipath_sdma_status;
+
+ spin_lock_irqsave(&dd->ipath_sdma_lock, flags);
+ skip_cancel =
+ !test_bit(IPATH_SDMA_DISABLED, statp) &&
+ test_and_set_bit(IPATH_SDMA_ABORTING, statp);
+ spin_unlock_irqrestore(&dd->ipath_sdma_lock, flags);
+ if (skip_cancel)
+ goto bail;
+ }
+
ipath_dbg("Cancelling all in-progress send buffers\n");
/* skip armlaunch errs for a while */
dd->ipath_lastcancel = jiffies + HZ / 2;
/*
- * the abort bit is auto-clearing. We read scratch to be sure
- * that cancels and the abort have taken effect in the chip.
+ * The abort bit is auto-clearing. We also don't want pioavail
+ * update happening during this, and we don't want any other
+ * sends going out, so turn those off for the duration. We read
+ * the scratch register to be sure that cancels and the abort
+ * have taken effect in the chip. Otherwise two parts are same
+ * as ipath_force_pio_avail_update()
*/
+ spin_lock_irqsave(&dd->ipath_sendctrl_lock, flags);
+ dd->ipath_sendctrl &= ~(INFINIPATH_S_PIOBUFAVAILUPD
+ | INFINIPATH_S_PIOENABLE);
ipath_write_kreg(dd, dd->ipath_kregs->kr_sendctrl,
- INFINIPATH_S_ABORT);
+ dd->ipath_sendctrl | INFINIPATH_S_ABORT);
ipath_read_kreg64(dd, dd->ipath_kregs->kr_scratch);
+ spin_unlock_irqrestore(&dd->ipath_sendctrl_lock, flags);
+
+ /* disarm all send buffers */
ipath_disarm_piobufs(dd, 0,
- (unsigned)(dd->ipath_piobcnt2k + dd->ipath_piobcnt4k));
- if (restore_sendctrl) /* else done by caller later */
+ dd->ipath_piobcnt2k + dd->ipath_piobcnt4k);
+
+ if (restore_sendctrl) {
+ /* else done by caller later if needed */
+ spin_lock_irqsave(&dd->ipath_sendctrl_lock, flags);
+ dd->ipath_sendctrl |= INFINIPATH_S_PIOBUFAVAILUPD |
+ INFINIPATH_S_PIOENABLE;
ipath_write_kreg(dd, dd->ipath_kregs->kr_sendctrl,
- dd->ipath_sendctrl);
+ dd->ipath_sendctrl);
+ /* and again, be sure all have hit the chip */
+ ipath_read_kreg64(dd, dd->ipath_kregs->kr_scratch);
+ spin_unlock_irqrestore(&dd->ipath_sendctrl_lock, flags);
+ }
- /* and again, be sure all have hit the chip */
- ipath_read_kreg64(dd, dd->ipath_kregs->kr_scratch);
+ if ((dd->ipath_flags & IPATH_HAS_SEND_DMA) &&
+ !test_bit(IPATH_SDMA_DISABLED, &dd->ipath_sdma_status) &&
+ test_bit(IPATH_SDMA_RUNNING, &dd->ipath_sdma_status)) {
+ spin_lock_irqsave(&dd->ipath_sdma_lock, flags);
+ /* only wait so long for intr */
+ dd->ipath_sdma_abort_intr_timeout = jiffies + HZ;
+ dd->ipath_sdma_reset_wait = 200;
+ __set_bit(IPATH_SDMA_DISARMED, &dd->ipath_sdma_status);
+ if (!test_bit(IPATH_SDMA_SHUTDOWN, &dd->ipath_sdma_status))
+ tasklet_hi_schedule(&dd->ipath_sdma_abort_task);
+ spin_unlock_irqrestore(&dd->ipath_sdma_lock, flags);
+ }
bail:;
}
* sanity checking on this, and we don't deal with what happens to
* programs that are already running when the size changes.
* NOTE: changing the MTU will usually cause the IBC to go back to
- * link initialize (IPATH_IBSTATE_INIT) state...
+ * link INIT state...
*/
int ipath_set_mtu(struct ipath_devdata *dd, u16 arg)
{
* but leave that to per-chip functions.
*/
val = ipath_read_kreg64(dd, dd->ipath_kregs->kr_ibcstatus);
- ltstate = (val >> INFINIPATH_IBCS_LINKTRAININGSTATE_SHIFT) &
- dd->ibcs_lts_mask;
- lstate = (val >> dd->ibcs_ls_shift) & INFINIPATH_IBCS_LINKSTATE_MASK;
+ ltstate = ipath_ib_linktrstate(dd, val);
+ lstate = ipath_ib_linkstate(dd, val);
dd->ipath_f_setextled(dd, lstate, ltstate);
mod_timer(&dd->ipath_led_override_timer, jiffies + timeoff);
ipath_write_kreg(dd, dd->ipath_kregs->kr_rcvctrl,
dd->ipath_rcvctrl);
+ if (dd->ipath_flags & IPATH_HAS_SEND_DMA)
+ teardown_sdma(dd);
+
/*
* gracefully stop all sends allowing any in progress to trickle out
* first.
*/
udelay(5);
+ dd->ipath_f_setextled(dd, 0, 0); /* make sure LEDs are off */
+
ipath_set_ib_lstate(dd, 0, INFINIPATH_IBCC_LINKINITCMD_DISABLE);
ipath_cancel_sends(dd, 0);
+ /*
+ * we are shutting down, so tell components that care. We don't do
+ * this on just a link state change, much like ethernet, a cable
+ * unplug, etc. doesn't change driver state
+ */
signal_ib_event(dd, IB_EVENT_PORT_ERR);
/* disable IBC */
del_timer_sync(&dd->ipath_intrchk_timer);
dd->ipath_intrchk_timer.data = 0;
}
+ if (atomic_read(&dd->ipath_led_override_timer_active)) {
+ del_timer_sync(&dd->ipath_led_override_timer);
+ atomic_set(&dd->ipath_led_override_timer_active, 0);
+ }
/*
* clear all interrupts and errors, so that the next time the driver
}
}
+ if (dd->ipath_flags & IPATH_HAS_SEND_DMA)
+ teardown_sdma(dd);
+
dd->ipath_flags &= ~IPATH_INITTED;
+ ipath_write_kreg(dd, dd->ipath_kregs->kr_intmask, 0ULL);
ret = dd->ipath_f_reset(dd);
- if (ret != 1)
- ipath_dbg("reset was not successful\n");
- ipath_dbg("Trying to reinitialize unit %u after reset attempt\n",
- unit);
- ret = ipath_init_chip(dd, 1);
+ if (ret == 1) {
+ ipath_dbg("Reinitializing unit %u after reset attempt\n",
+ unit);
+ ret = ipath_init_chip(dd, 1);
+ } else
+ ret = -EAGAIN;
if (ret)
ipath_dev_err(dd, "Reinitialize unit %u after "
"reset failed with %d\n", unit, ret);
projects / linux-2.6 / blobdiff