/*
- * Copyright (c) 2006 QLogic, Inc. All rights reserved.
+ * Copyright (c) 2006, 2007 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
* HT chip.
*/
+#include <linux/vmalloc.h>
#include <linux/pci.h>
#include <linux/delay.h>
#include <linux/htirq.h>
#include "ipath_kernel.h"
#include "ipath_registers.h"
+static void ipath_setup_ht_setextled(struct ipath_devdata *, u64, u64);
+
+
/*
* This lists the InfiniPath registers, in the actual chip layout.
* This structure should never be directly accessed.
#define INFINIPATH_EXTS_MEMBIST_ENDTEST 0x0000000000004000
#define INFINIPATH_EXTS_MEMBIST_CORRECT 0x0000000000008000
+
+/* TID entries (memory), HT-only */
+#define INFINIPATH_RT_ADDR_MASK 0xFFFFFFFFFFULL /* 40 bits valid */
+#define INFINIPATH_RT_VALID 0x8000000000000000ULL
+#define INFINIPATH_RT_ADDR_SHIFT 0
+#define INFINIPATH_RT_BUFSIZE_MASK 0x3FFFULL
+#define INFINIPATH_RT_BUFSIZE_SHIFT 48
+
/*
* masks and bits that are different in different chips, or present only
* in one
INFINIPATH_HWE_MSG(SERDESPLLFAILED, "SerDes PLL"),
};
+#define TXE_PIO_PARITY ((INFINIPATH_HWE_TXEMEMPARITYERR_PIOBUF | \
+ INFINIPATH_HWE_TXEMEMPARITYERR_PIOPBC) \
+ << INFINIPATH_HWE_TXEMEMPARITYERR_SHIFT)
+#define RXE_EAGER_PARITY (INFINIPATH_HWE_RXEMEMPARITYERR_EAGERTID \
+ << INFINIPATH_HWE_RXEMEMPARITYERR_SHIFT)
+
+static int ipath_ht_txe_recover(struct ipath_devdata *);
+
/**
* ipath_ht_handle_hwerrors - display hardware errors.
* @dd: the infinipath device
u32 bits, ctrl;
int isfatal = 0;
char bitsmsg[64];
+ int log_idx;
hwerrs = ipath_read_kreg64(dd, dd->ipath_kregs->kr_hwerrstatus);
hwerrs &= dd->ipath_hwerrmask;
+ /* We log some errors to EEPROM, check if we have any of those. */
+ for (log_idx = 0; log_idx < IPATH_EEP_LOG_CNT; ++log_idx)
+ if (hwerrs & dd->ipath_eep_st_masks[log_idx].hwerrs_to_log)
+ ipath_inc_eeprom_err(dd, log_idx, 1);
+
/*
* make sure we get this much out, unless told to be quiet,
+ * it's a parity error we may recover from,
* or it's occurred within the last 5 seconds
*/
- if ((hwerrs & ~(dd->ipath_lasthwerror |
- ((INFINIPATH_HWE_TXEMEMPARITYERR_PIOBUF |
- INFINIPATH_HWE_TXEMEMPARITYERR_PIOPBC)
- << INFINIPATH_HWE_TXEMEMPARITYERR_SHIFT))) ||
- (ipath_debug & __IPATH_VERBDBG))
+ if ((hwerrs & ~(dd->ipath_lasthwerror | TXE_PIO_PARITY |
+ RXE_EAGER_PARITY)) ||
+ (ipath_debug & __IPATH_VERBDBG))
dev_info(&dd->pcidev->dev, "Hardware error: hwerr=0x%llx "
"(cleared)\n", (unsigned long long) hwerrs);
dd->ipath_lasthwerror |= hwerrs;
(hwerrs & ~dd->ipath_hwe_bitsextant));
ctrl = ipath_read_kreg32(dd, dd->ipath_kregs->kr_control);
- if (ctrl & INFINIPATH_C_FREEZEMODE) {
+ if ((ctrl & INFINIPATH_C_FREEZEMODE) && !ipath_diag_inuse) {
/*
* parity errors in send memory are recoverable,
* just cancel the send (if indicated in * sendbuffererror),
* occur if a processor speculative read is done to the PIO
* buffer while we are sending a packet, for example.
*/
- if (hwerrs & ((INFINIPATH_HWE_TXEMEMPARITYERR_PIOBUF |
- INFINIPATH_HWE_TXEMEMPARITYERR_PIOPBC)
- << INFINIPATH_HWE_TXEMEMPARITYERR_SHIFT)) {
- ipath_stats.sps_txeparity++;
- ipath_dbg("Recovering from TXE parity error (%llu), "
- "hwerrstatus=%llx\n",
- (unsigned long long) ipath_stats.sps_txeparity,
- (unsigned long long) hwerrs);
- ipath_disarm_senderrbufs(dd);
- 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);
- return;
- }
- }
- if (hwerrs) {
- /*
- * if any set that we aren't ignoring; only
- * make the complaint once, in case it's stuck
- * or recurring, and we get here multiple
- * times.
- */
- if (dd->ipath_flags & IPATH_INITTED) {
- ipath_dev_err(dd, "Fatal Hardware Error (freeze "
- "mode), no longer usable, SN %.16s\n",
- dd->ipath_serial);
- isfatal = 1;
- }
- *dd->ipath_statusp &= ~IPATH_STATUS_IB_READY;
- /* mark as having had error */
- *dd->ipath_statusp |= IPATH_STATUS_HWERROR;
- /*
- * mark as not usable, at a minimum until driver
- * is reloaded, probably until reboot, since no
- * other reset is possible.
- */
- dd->ipath_flags &= ~IPATH_INITTED;
- } else {
- ipath_dbg("Clearing freezemode on ignored hardware "
- "error\n");
- ctrl &= ~INFINIPATH_C_FREEZEMODE;
- ipath_write_kreg(dd, dd->ipath_kregs->kr_control,
- ctrl);
+ if ((hwerrs & TXE_PIO_PARITY) && ipath_ht_txe_recover(dd))
+ hwerrs &= ~TXE_PIO_PARITY;
+ if (hwerrs & RXE_EAGER_PARITY)
+ ipath_dev_err(dd, "RXE parity, Eager TID error is not "
+ "recoverable\n");
+ if (!hwerrs) {
+ ipath_dbg("Clearing freezemode on ignored or "
+ "recovered hardware error\n");
+ ipath_clear_freeze(dd);
}
}
dd->ipath_hwerrmask);
}
- ipath_dev_err(dd, "%s hardware error\n", msg);
+ if (hwerrs) {
+ /*
+ * if any set that we aren't ignoring; only
+ * make the complaint once, in case it's stuck
+ * or recurring, and we get here multiple
+ * times.
+ * force link down, so switch knows, and
+ * LEDs are turned off
+ */
+ if (dd->ipath_flags & IPATH_INITTED) {
+ ipath_set_linkstate(dd, IPATH_IB_LINKDOWN);
+ ipath_setup_ht_setextled(dd,
+ INFINIPATH_IBCS_L_STATE_DOWN,
+ INFINIPATH_IBCS_LT_STATE_DISABLED);
+ ipath_dev_err(dd, "Fatal Hardware Error (freeze "
+ "mode), no longer usable, SN %.16s\n",
+ dd->ipath_serial);
+ isfatal = 1;
+ }
+ *dd->ipath_statusp &= ~IPATH_STATUS_IB_READY;
+ /* mark as having had error */
+ *dd->ipath_statusp |= IPATH_STATUS_HWERROR;
+ /*
+ * mark as not usable, at a minimum until driver
+ * is reloaded, probably until reboot, since no
+ * other reset is possible.
+ */
+ dd->ipath_flags &= ~IPATH_INITTED;
+ }
+ else
+ *msg = 0; /* recovered from all of them */
+ if (*msg)
+ ipath_dev_err(dd, "%s hardware error\n", msg);
if (isfatal && !ipath_diag_inuse && dd->ipath_freezemsg)
/*
* for status file; if no trailing brace is copied,
if (n)
snprintf(name, namelen, "%s", n);
- if (dd->ipath_majrev != 3 || (dd->ipath_minrev < 2 || dd->ipath_minrev > 3)) {
+ if (dd->ipath_boardrev != 6 && dd->ipath_boardrev != 7 &&
+ dd->ipath_boardrev != 11) {
+ ipath_dev_err(dd, "Unsupported InfiniPath board %s!\n", name);
+ ret = 1;
+ goto bail;
+ }
+ if (dd->ipath_majrev != 3 || (dd->ipath_minrev < 2 ||
+ dd->ipath_minrev > 4)) {
/*
- * This version of the driver only supports Rev 3.2 and 3.3
+ * This version of the driver only supports Rev 3.2 - 3.4
*/
ipath_dev_err(dd,
"Unsupported InfiniPath hardware revision %u.%u!\n",
* copies
*/
dd->ipath_flags |= IPATH_32BITCOUNTERS;
+ dd->ipath_flags |= IPATH_GPIO_INTR;
if (dd->ipath_htspeed != 800)
ipath_dev_err(dd,
"Incorrectly configured for HT @ %uMHz\n",
dd->ipath_htspeed);
- if (dd->ipath_boardrev == 7 || dd->ipath_boardrev == 11 ||
- dd->ipath_boardrev == 6)
- dd->ipath_flags |= IPATH_GPIO_INTR;
- else
- dd->ipath_flags |= IPATH_POLL_RX_INTR;
- if (dd->ipath_boardrev == 8) { /* LS/X-1 */
- u64 val;
- val = ipath_read_kreg64(dd, dd->ipath_kregs->kr_extstatus);
- if (val & INFINIPATH_EXTS_SERDESSEL) {
- /*
- * hardware disabled
- *
- * This means that the chip is hardware disabled,
- * and will not be able to bring up the link,
- * in any case. We special case this and abort
- * early, to avoid later messages. We also set
- * the DISABLED status bit
- */
- ipath_dbg("Unit %u is hardware-disabled\n",
- dd->ipath_unit);
- *dd->ipath_statusp |= IPATH_STATUS_DISABLED;
- /* this value is handled differently */
- ret = 2;
- goto bail;
- }
- }
ret = 0;
bail:
u64 lst, u64 ltst)
{
u64 extctl;
+ unsigned long flags = 0;
/* the diags use the LED to indicate diag info, so we leave
* the external LED alone when the diags are running */
if (ipath_diag_inuse)
return;
+ /* Allow override of LED display for, e.g. Locating system in rack */
+ if (dd->ipath_led_override) {
+ ltst = (dd->ipath_led_override & IPATH_LED_PHYS)
+ ? INFINIPATH_IBCS_LT_STATE_LINKUP
+ : INFINIPATH_IBCS_LT_STATE_DISABLED;
+ lst = (dd->ipath_led_override & IPATH_LED_LOG)
+ ? INFINIPATH_IBCS_L_STATE_ACTIVE
+ : INFINIPATH_IBCS_L_STATE_DOWN;
+ }
+
+ spin_lock_irqsave(&dd->ipath_gpio_lock, flags);
/*
* start by setting both LED control bits to off, then turn
* on the appropriate bit(s).
}
dd->ipath_extctrl = extctl;
ipath_write_kreg(dd, dd->ipath_kregs->kr_extctrl, extctl);
+ spin_unlock_irqrestore(&dd->ipath_gpio_lock, flags);
}
static void ipath_init_ht_variables(struct ipath_devdata *dd)
dd->ipath_i_rcvavail_mask = INFINIPATH_I_RCVAVAIL_MASK;
dd->ipath_i_rcvurg_mask = INFINIPATH_I_RCVURG_MASK;
+
+ /*
+ * EEPROM error log 0 is TXE Parity errors. 1 is RXE Parity.
+ * 2 is Some Misc, 3 is reserved for future.
+ */
+ dd->ipath_eep_st_masks[0].hwerrs_to_log =
+ INFINIPATH_HWE_TXEMEMPARITYERR_MASK <<
+ INFINIPATH_HWE_TXEMEMPARITYERR_SHIFT;
+
+ dd->ipath_eep_st_masks[1].hwerrs_to_log =
+ INFINIPATH_HWE_RXEMEMPARITYERR_MASK <<
+ INFINIPATH_HWE_RXEMEMPARITYERR_SHIFT;
+
+ dd->ipath_eep_st_masks[2].errs_to_log =
+ INFINIPATH_E_INVALIDADDR | INFINIPATH_E_RESET;
+
}
/**
if (!(extsval & INFINIPATH_EXTS_MEMBIST_ENDTEST))
ipath_dev_err(dd, "MemBIST did not complete!\n");
+ if (extsval & INFINIPATH_EXTS_MEMBIST_CORRECT)
+ ipath_dbg("MemBIST corrected\n");
ipath_check_htlink(dd);
* ipath_pe_put_tid - write a TID in chip
* @dd: the infinipath device
* @tidptr: pointer to the expected TID (in chip) to udpate
- * @tidtype: 0 for eager, 1 for expected
+ * @tidtype: RCVHQ_RCV_TYPE_EAGER (1) for eager, RCVHQ_RCV_TYPE_EXPECTED (0) for expected
* @pa: physical address of in memory buffer; ipath_tidinvalid if freeing
*
* This exists as a separate routine to allow for special locking etc.
u64 __iomem *tidptr, u32 type,
unsigned long pa)
{
+ if (!dd->ipath_kregbase)
+ return;
+
if (pa != dd->ipath_tidinvalid) {
if (unlikely((pa & ~INFINIPATH_RT_ADDR_MASK))) {
dev_info(&dd->pcidev->dev,
"40 bits, using only 40!!!\n", pa);
pa &= INFINIPATH_RT_ADDR_MASK;
}
- if (type == 0)
+ if (type == RCVHQ_RCV_TYPE_EAGER)
pa |= dd->ipath_tidtemplate;
else {
/* in words (fixed, full page). */
pa |= lenvalid | INFINIPATH_RT_VALID;
}
}
- if (dd->ipath_kregbase)
- writeq(pa, tidptr);
+ writeq(pa, tidptr);
}
+
/**
* ipath_ht_clear_tid - clear all TID entries for a port, expected and eager
* @dd: the infinipath device
port * dd->ipath_rcvtidcnt *
sizeof(*tidbase));
for (i = 0; i < dd->ipath_rcvtidcnt; i++)
- ipath_ht_put_tid(dd, &tidbase[i], 1, dd->ipath_tidinvalid);
+ ipath_ht_put_tid(dd, &tidbase[i], RCVHQ_RCV_TYPE_EXPECTED,
+ dd->ipath_tidinvalid);
tidbase = (u64 __iomem *) ((char __iomem *)(dd->ipath_kregbase) +
dd->ipath_rcvegrbase +
sizeof(*tidbase));
for (i = 0; i < dd->ipath_rcvegrcnt; i++)
- ipath_ht_put_tid(dd, &tidbase[i], 0, dd->ipath_tidinvalid);
+ ipath_ht_put_tid(dd, &tidbase[i], RCVHQ_RCV_TYPE_EAGER,
+ dd->ipath_tidinvalid);
}
/**
writel(16, piobuf);
piobuf += pioincr;
}
- /*
- * self-clearing
- */
- ipath_write_kreg(dd, dd->ipath_kregs->kr_sendctrl,
- INFINIPATH_S_ABORT);
ipath_get_eeprom_info(dd);
- if(dd->ipath_boardrev == 5 && dd->ipath_serial[0] == '1' &&
+ if (dd->ipath_boardrev == 5 && dd->ipath_serial[0] == '1' &&
dd->ipath_serial[1] == '2' && dd->ipath_serial[2] == '8') {
/*
* Later production QHT7040 has same changes as QHT7140, so
* with 128, rather than 112.
*/
dd->ipath_flags |= IPATH_GPIO_INTR;
- dd->ipath_flags &= ~IPATH_POLL_RX_INTR;
+ } else
+ ipath_dev_err(dd, "Unsupported InfiniPath serial "
+ "number %.16s!\n", dd->ipath_serial);
+
+ if (dd->ipath_minrev >= 4) {
+ /* Rev4+ reports extra errors via internal GPIO pins */
+ dd->ipath_flags |= IPATH_GPIO_ERRINTRS;
+ dd->ipath_gpio_mask |= IPATH_GPIO_ERRINTR_MASK;
+ ipath_write_kreg(dd, dd->ipath_kregs->kr_gpio_mask,
+ dd->ipath_gpio_mask);
}
+
return 0;
}
+
+static int ipath_ht_txe_recover(struct ipath_devdata *dd)
+{
+ int cnt = ++ipath_stats.sps_txeparity;
+ if (cnt >= IPATH_MAX_PARITY_ATTEMPTS) {
+ if (cnt == IPATH_MAX_PARITY_ATTEMPTS)
+ ipath_dev_err(dd,
+ "Too many attempts to recover from "
+ "TXE parity, giving up\n");
+ return 0;
+ }
+ dev_info(&dd->pcidev->dev,
+ "Recovering from TXE PIO parity error\n");
+ return 1;
+}
+
+
/**
* ipath_init_ht_get_base_info - set chip-specific flags for user code
* @dd: the infinipath device
struct ipath_base_info *kinfo = kbase;
kinfo->spi_runtime_flags |= IPATH_RUNTIME_HT |
- IPATH_RUNTIME_RCVHDR_COPY;
+ IPATH_RUNTIME_PIO_REGSWAPPED;
+
+ if (pd->port_dd->ipath_minrev < 4)
+ kinfo->spi_runtime_flags |= IPATH_RUNTIME_RCVHDR_COPY;
return 0;
}
projects / linux-2.6-omap-h63xx.git / blobdiff