#include <linux/interrupt.h>
#include <linux/pci.h>
+#include <linux/sched.h>
#include <linux/delay.h>
#include <linux/io.h>
#include <rdma/ib_verbs.h>
static char int_type[16] = "auto";
module_param_string(interrupt_type, int_type, sizeof(int_type), 0444);
-MODULE_PARM_DESC(int_type, " interrupt_type=auto|force_msi|force_intx\n");
+MODULE_PARM_DESC(int_type, " interrupt_type=auto|force_msi|force_intx");
/* packet rate matching delay; chip has support */
static u8 rate_to_delay[2][2] = {
dev_info(&dd->pcidev->dev,
"Recovering from TXE PIO parity error\n");
- ipath_disarm_senderrbufs(dd, 1);
+ ipath_disarm_senderrbufs(dd);
}
ctrl = ipath_read_kreg32(dd, dd->ipath_kregs->kr_control);
if ((ctrl & INFINIPATH_C_FREEZEMODE) && !ipath_diag_inuse) {
/*
- * Parity errors in send memory are recoverable,
- * just cancel the send (if indicated in * sendbuffererror),
- * count the occurrence, unfreeze (if no other handled
- * hardware error bits are set), and continue.
+ * Parity errors in send memory are recoverable by h/w
+ * just do housekeeping, exit freeze mode and continue.
*/
if (hwerrs & ((INFINIPATH_HWE_TXEMEMPARITYERR_PIOBUF |
INFINIPATH_HWE_TXEMEMPARITYERR_PIOPBC)
hwerrs &= ~((INFINIPATH_HWE_TXEMEMPARITYERR_PIOBUF |
INFINIPATH_HWE_TXEMEMPARITYERR_PIOPBC)
<< INFINIPATH_HWE_TXEMEMPARITYERR_SHIFT);
- if (!hwerrs) {
- /* else leave in freeze mode */
- ipath_write_kreg(dd,
- dd->ipath_kregs->kr_control,
- dd->ipath_control);
- goto bail;
- }
}
if (hwerrs) {
/*
*dd->ipath_statusp |= IPATH_STATUS_HWERROR;
dd->ipath_flags &= ~IPATH_INITTED;
} else {
- ipath_dbg("Clearing freezemode on ignored hardware "
- "error\n");
+ ipath_dbg("Clearing freezemode on ignored or "
+ "recovered hardware error\n");
ipath_clear_freeze(dd);
}
}
INFINIPATH_HWE_SERDESPLLFAILED);
}
+ dd->ibdeltainprog = 1;
+ dd->ibsymsnap =
+ ipath_read_creg32(dd, dd->ipath_cregs->cr_ibsymbolerrcnt);
+ dd->iblnkerrsnap =
+ ipath_read_creg32(dd, dd->ipath_cregs->cr_iblinkerrrecovcnt);
+
if (!dd->ipath_ibcddrctrl) {
/* not on re-init after reset */
dd->ipath_ibcddrctrl =
ipath_cdbg(VERBOSE, "done: xgxs=%llx from %llx\n",
(unsigned long long)
ipath_read_kreg64(dd, dd->ipath_kregs->kr_xgxsconfig),
- prev_val);
+ (unsigned long long) prev_val);
guid = be64_to_cpu(dd->ipath_guid);
ipath_dbg("No GUID for heartbeat, faking %llx\n",
(unsigned long long)guid);
} else
- ipath_cdbg(VERBOSE, "Wrote %llX to HRTBT_GUID\n", guid);
+ ipath_cdbg(VERBOSE, "Wrote %llX to HRTBT_GUID\n",
+ (unsigned long long) guid);
ipath_write_kreg(dd, dd->ipath_kregs->kr_hrtbt_guid, guid);
return ret;
}
static void ipath_7220_quiet_serdes(struct ipath_devdata *dd)
{
u64 val;
+ if (dd->ibsymdelta || dd->iblnkerrdelta ||
+ dd->ibdeltainprog) {
+ u64 diagc;
+ /* enable counter writes */
+ diagc = ipath_read_kreg64(dd, dd->ipath_kregs->kr_hwdiagctrl);
+ ipath_write_kreg(dd, dd->ipath_kregs->kr_hwdiagctrl,
+ diagc | INFINIPATH_DC_COUNTERWREN);
+
+ if (dd->ibsymdelta || dd->ibdeltainprog) {
+ val = ipath_read_creg32(dd,
+ dd->ipath_cregs->cr_ibsymbolerrcnt);
+ if (dd->ibdeltainprog)
+ val -= val - dd->ibsymsnap;
+ val -= dd->ibsymdelta;
+ ipath_write_creg(dd,
+ dd->ipath_cregs->cr_ibsymbolerrcnt, val);
+ }
+ if (dd->iblnkerrdelta || dd->ibdeltainprog) {
+ val = ipath_read_creg32(dd,
+ dd->ipath_cregs->cr_iblinkerrrecovcnt);
+ if (dd->ibdeltainprog)
+ val -= val - dd->iblnkerrsnap;
+ val -= dd->iblnkerrdelta;
+ ipath_write_creg(dd,
+ dd->ipath_cregs->cr_iblinkerrrecovcnt, val);
+ }
+
+ /* and disable counter writes */
+ ipath_write_kreg(dd, dd->ipath_kregs->kr_hwdiagctrl, diagc);
+ }
+
dd->ipath_flags &= ~IPATH_IB_AUTONEG_INPROG;
wake_up(&dd->ipath_autoneg_wait);
cancel_delayed_work(&dd->ipath_autoneg_work);
"not 2KB aligned!\n", pa);
return;
}
- if (pa >= (1UL << IBA7220_TID_SZ_SHIFT)) {
+ if (chippa >= (1UL << IBA7220_TID_SZ_SHIFT)) {
ipath_dev_err(dd,
"BUG: Physical page address 0x%lx "
"larger than supported\n", pa);
dd->ipath_rcvctrl);
dd->ipath_p0_rcvegrcnt = 2048; /* always */
if (dd->ipath_flags & IPATH_HAS_SEND_DMA)
- dd->ipath_pioreserved = 1; /* reserve a buffer */
+ dd->ipath_pioreserved = 3; /* kpiobufs used for PIO */
}
0xffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
0x40000001, 0x1388, 0x15e, /* rest 0's */
};
- dcnt = sizeof(madpayload_start)/sizeof(madpayload_start[0]);
- hcnt = sizeof(hdr)/sizeof(hdr[0]);
+ dcnt = ARRAY_SIZE(madpayload_start);
+ hcnt = ARRAY_SIZE(hdr);
if (!swapped) {
/* for maintainability, do it at runtime */
for (i = 0; i < hcnt; i++) {
static int ipath_7220_ib_updown(struct ipath_devdata *dd, int ibup, u64 ibcs)
{
- int ret = 0;
+ int ret = 0, symadj = 0;
u32 ltstate = ipath_ib_linkstate(dd, ibcs);
dd->ipath_link_width_active =
ipath_dbg("DDR negotiation try, %u/%u\n",
dd->ipath_autoneg_tries,
IPATH_AUTONEG_TRIES);
+ if (!dd->ibdeltainprog) {
+ dd->ibdeltainprog = 1;
+ dd->ibsymsnap = ipath_read_creg32(dd,
+ dd->ipath_cregs->cr_ibsymbolerrcnt);
+ dd->iblnkerrsnap = ipath_read_creg32(dd,
+ dd->ipath_cregs->cr_iblinkerrrecovcnt);
+ }
try_auto_neg(dd);
ret = 1; /* no other IB status change processing */
} else if ((dd->ipath_flags & IPATH_IB_AUTONEG_INPROG)
set_speed_fast(dd,
dd->ipath_link_speed_enabled);
wake_up(&dd->ipath_autoneg_wait);
+ symadj = 1;
} else if (dd->ipath_flags & IPATH_IB_AUTONEG_FAILED) {
/*
* clear autoneg failure flag, and do setup
IBA7220_IBC_IBTA_1_2_MASK;
ipath_write_kreg(dd,
IPATH_KREG_OFFSET(IBNCModeCtrl), 0);
+ symadj = 1;
}
}
/*
- * if we are in 1X, and are in autoneg width, it
- * could be due to an xgxs problem, so if we haven't
+ * if we are in 1X on rev1 only, and are in autoneg width,
+ * it could be due to an xgxs problem, so if we haven't
* already tried, try twice to get to 4X; if we
* tried, and couldn't, report it, since it will
* probably not be what is desired.
*/
- if ((dd->ipath_link_width_enabled & (IB_WIDTH_1X |
+ if (dd->ipath_minrev == 1 &&
+ (dd->ipath_link_width_enabled & (IB_WIDTH_1X |
IB_WIDTH_4X)) == (IB_WIDTH_1X | IB_WIDTH_4X)
&& dd->ipath_link_width_active == IB_WIDTH_1X
&& dd->ipath_x1_fix_tries < 3) {
- if (++dd->ipath_x1_fix_tries == 3)
+ if (++dd->ipath_x1_fix_tries == 3) {
dev_info(&dd->pcidev->dev,
"IB link is in 1X mode\n");
+ if (!(dd->ipath_flags &
+ IPATH_IB_AUTONEG_INPROG))
+ symadj = 1;
+ }
else {
ipath_cdbg(VERBOSE, "IB 1X in "
"auto-width, try %u to be "
dd->ipath_f_xgxs_reset(dd);
ret = 1; /* skip other processing */
}
- }
+ } else if (!(dd->ipath_flags & IPATH_IB_AUTONEG_INPROG))
+ symadj = 1;
if (!ret) {
dd->delay_mult = rate_to_delay
}
}
+ if (symadj) {
+ if (dd->ibdeltainprog) {
+ dd->ibdeltainprog = 0;
+ dd->ibsymdelta += ipath_read_creg32(dd,
+ dd->ipath_cregs->cr_ibsymbolerrcnt) -
+ dd->ibsymsnap;
+ dd->iblnkerrdelta += ipath_read_creg32(dd,
+ dd->ipath_cregs->cr_iblinkerrrecovcnt) -
+ dd->iblnkerrsnap;
+ }
+ } else if (!ibup && !dd->ibdeltainprog
+ && !(dd->ipath_flags & IPATH_IB_AUTONEG_INPROG)) {
+ dd->ibdeltainprog = 1;
+ dd->ibsymsnap = ipath_read_creg32(dd,
+ dd->ipath_cregs->cr_ibsymbolerrcnt);
+ dd->iblnkerrsnap = ipath_read_creg32(dd,
+ dd->ipath_cregs->cr_iblinkerrrecovcnt);
+ }
+
if (!ret)
ipath_setup_7220_setextled(dd, ipath_ib_linkstate(dd, ibcs),
ltstate);
if (dd->ipath_flags & IPATH_IB_AUTONEG_INPROG) {
ipath_dbg("Did not get to DDR INIT (%x) after %Lu msecs\n",
ipath_ib_state(dd, dd->ipath_lastibcstat),
- jiffies_to_msecs(jiffies)-startms);
+ (unsigned long long) jiffies_to_msecs(jiffies)-startms);
dd->ipath_flags &= ~IPATH_IB_AUTONEG_INPROG;
if (dd->ipath_autoneg_tries == IPATH_AUTONEG_TRIES) {
dd->ipath_flags |= IPATH_IB_AUTONEG_FAILED;
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff