]> pilppa.org Git - linux-2.6-omap-h63xx.git/blobdiff - drivers/infiniband/hw/ipath/ipath_iba6110.c
IB/ipath: Add flag and handling for chips with swapped register bug
[linux-2.6-omap-h63xx.git] / drivers / infiniband / hw / ipath / ipath_iba6110.c
index ddbebe4bdb2703f08182d5304c1c93d11dac63a1..3bfaf04a214816f1d51c9e4699119cbcdad86e14 100644 (file)
@@ -148,10 +148,57 @@ struct _infinipath_do_not_use_kernel_regs {
        unsigned long long ReservedSW2[4];
 };
 
-#define IPATH_KREG_OFFSET(field) (offsetof(struct \
-    _infinipath_do_not_use_kernel_regs, field) / sizeof(u64))
+struct _infinipath_do_not_use_counters {
+       __u64 LBIntCnt;
+       __u64 LBFlowStallCnt;
+       __u64 Reserved1;
+       __u64 TxUnsupVLErrCnt;
+       __u64 TxDataPktCnt;
+       __u64 TxFlowPktCnt;
+       __u64 TxDwordCnt;
+       __u64 TxLenErrCnt;
+       __u64 TxMaxMinLenErrCnt;
+       __u64 TxUnderrunCnt;
+       __u64 TxFlowStallCnt;
+       __u64 TxDroppedPktCnt;
+       __u64 RxDroppedPktCnt;
+       __u64 RxDataPktCnt;
+       __u64 RxFlowPktCnt;
+       __u64 RxDwordCnt;
+       __u64 RxLenErrCnt;
+       __u64 RxMaxMinLenErrCnt;
+       __u64 RxICRCErrCnt;
+       __u64 RxVCRCErrCnt;
+       __u64 RxFlowCtrlErrCnt;
+       __u64 RxBadFormatCnt;
+       __u64 RxLinkProblemCnt;
+       __u64 RxEBPCnt;
+       __u64 RxLPCRCErrCnt;
+       __u64 RxBufOvflCnt;
+       __u64 RxTIDFullErrCnt;
+       __u64 RxTIDValidErrCnt;
+       __u64 RxPKeyMismatchCnt;
+       __u64 RxP0HdrEgrOvflCnt;
+       __u64 RxP1HdrEgrOvflCnt;
+       __u64 RxP2HdrEgrOvflCnt;
+       __u64 RxP3HdrEgrOvflCnt;
+       __u64 RxP4HdrEgrOvflCnt;
+       __u64 RxP5HdrEgrOvflCnt;
+       __u64 RxP6HdrEgrOvflCnt;
+       __u64 RxP7HdrEgrOvflCnt;
+       __u64 RxP8HdrEgrOvflCnt;
+       __u64 Reserved6;
+       __u64 Reserved7;
+       __u64 IBStatusChangeCnt;
+       __u64 IBLinkErrRecoveryCnt;
+       __u64 IBLinkDownedCnt;
+       __u64 IBSymbolErrCnt;
+};
+
+#define IPATH_KREG_OFFSET(field) (offsetof( \
+       struct _infinipath_do_not_use_kernel_regs, field) / sizeof(u64))
 #define IPATH_CREG_OFFSET(field) (offsetof( \
-    struct infinipath_counters, field) / sizeof(u64))
+       struct _infinipath_do_not_use_counters, field) / sizeof(u64))
 
 static const struct ipath_kregs ipath_ht_kregs = {
        .kr_control = IPATH_KREG_OFFSET(Control),
@@ -296,6 +343,12 @@ static const struct ipath_cregs ipath_ht_cregs = {
 #define INFINIPATH_RT_BUFSIZE_MASK 0x3FFFULL
 #define INFINIPATH_RT_BUFSIZE_SHIFT 48
 
+#define INFINIPATH_R_INTRAVAIL_SHIFT 16
+#define INFINIPATH_R_TAILUPD_SHIFT 31
+
+/* kr_xgxsconfig bits */
+#define INFINIPATH_XGXS_RESET          0x7ULL
+
 /*
  * masks and bits that are different in different chips, or present only
  * in one
@@ -686,6 +739,13 @@ static int ipath_ht_boardname(struct ipath_devdata *dd, char *name,
                              dd->ipath_htspeed);
        ret = 0;
 
+       /*
+        * set here, not in ipath_init_*_funcs because we have to do
+        * it after we can read chip registers.
+        */
+       dd->ipath_ureg_align =
+               ipath_read_kreg32(dd, dd->ipath_kregs->kr_pagealign);
+
 bail:
        return ret;
 }
@@ -969,7 +1029,8 @@ static int ipath_setup_ht_config(struct ipath_devdata *dd,
        do {
                u8 cap_type;
 
-               /* the HT capability type byte is 3 bytes after the
+               /*
+                * The HT capability type byte is 3 bytes after the
                 * capability byte.
                 */
                if (pci_read_config_byte(pdev, pos + 3, &cap_type)) {
@@ -982,6 +1043,8 @@ static int ipath_setup_ht_config(struct ipath_devdata *dd,
        } while ((pos = pci_find_next_capability(pdev, pos,
                                                 PCI_CAP_ID_HT)));
 
+       dd->ipath_flags |= IPATH_SWAP_PIOBUFS;
+
 bail:
        return ret;
 }
@@ -1079,6 +1142,12 @@ static void ipath_init_ht_variables(struct ipath_devdata *dd)
        dd->ipath_gpio_sda = IPATH_GPIO_SDA;
        dd->ipath_gpio_scl = IPATH_GPIO_SCL;
 
+       /* Fill in shifts for RcvCtrl. */
+       dd->ipath_r_portenable_shift = INFINIPATH_R_PORTENABLE_SHIFT;
+       dd->ipath_r_intravail_shift = INFINIPATH_R_INTRAVAIL_SHIFT;
+       dd->ipath_r_tailupd_shift = INFINIPATH_R_TAILUPD_SHIFT;
+       dd->ipath_r_portcfg_shift = 0; /* Not on IBA6110 */
+
        dd->ipath_i_bitsextant =
                (INFINIPATH_I_RCVURG_MASK << INFINIPATH_I_RCVURG_SHIFT) |
                (INFINIPATH_I_RCVAVAIL_MASK <<
@@ -1602,6 +1671,119 @@ static void ipath_ht_free_irq(struct ipath_devdata *dd)
        dd->ipath_intconfig = 0;
 }
 
+static void ipath_ht_config_ports(struct ipath_devdata *dd, ushort cfgports)
+{
+       dd->ipath_portcnt =
+               ipath_read_kreg32(dd, dd->ipath_kregs->kr_portcnt);
+       dd->ipath_p0_rcvegrcnt =
+               ipath_read_kreg32(dd, dd->ipath_kregs->kr_rcvegrcnt);
+}
+
+static void ipath_ht_read_counters(struct ipath_devdata *dd,
+                                  struct infinipath_counters *cntrs)
+{
+       cntrs->LBIntCnt =
+               ipath_snap_cntr(dd, IPATH_CREG_OFFSET(LBIntCnt));
+       cntrs->LBFlowStallCnt =
+               ipath_snap_cntr(dd, IPATH_CREG_OFFSET(LBFlowStallCnt));
+       cntrs->TxSDmaDescCnt = 0;
+       cntrs->TxUnsupVLErrCnt =
+               ipath_snap_cntr(dd, IPATH_CREG_OFFSET(TxUnsupVLErrCnt));
+       cntrs->TxDataPktCnt =
+               ipath_snap_cntr(dd, IPATH_CREG_OFFSET(TxDataPktCnt));
+       cntrs->TxFlowPktCnt =
+               ipath_snap_cntr(dd, IPATH_CREG_OFFSET(TxFlowPktCnt));
+       cntrs->TxDwordCnt =
+               ipath_snap_cntr(dd, IPATH_CREG_OFFSET(TxDwordCnt));
+       cntrs->TxLenErrCnt =
+               ipath_snap_cntr(dd, IPATH_CREG_OFFSET(TxLenErrCnt));
+       cntrs->TxMaxMinLenErrCnt =
+               ipath_snap_cntr(dd, IPATH_CREG_OFFSET(TxMaxMinLenErrCnt));
+       cntrs->TxUnderrunCnt =
+               ipath_snap_cntr(dd, IPATH_CREG_OFFSET(TxUnderrunCnt));
+       cntrs->TxFlowStallCnt =
+               ipath_snap_cntr(dd, IPATH_CREG_OFFSET(TxFlowStallCnt));
+       cntrs->TxDroppedPktCnt =
+               ipath_snap_cntr(dd, IPATH_CREG_OFFSET(TxDroppedPktCnt));
+       cntrs->RxDroppedPktCnt =
+               ipath_snap_cntr(dd, IPATH_CREG_OFFSET(RxDroppedPktCnt));
+       cntrs->RxDataPktCnt =
+               ipath_snap_cntr(dd, IPATH_CREG_OFFSET(RxDataPktCnt));
+       cntrs->RxFlowPktCnt =
+               ipath_snap_cntr(dd, IPATH_CREG_OFFSET(RxFlowPktCnt));
+       cntrs->RxDwordCnt =
+               ipath_snap_cntr(dd, IPATH_CREG_OFFSET(RxDwordCnt));
+       cntrs->RxLenErrCnt =
+               ipath_snap_cntr(dd, IPATH_CREG_OFFSET(RxLenErrCnt));
+       cntrs->RxMaxMinLenErrCnt =
+               ipath_snap_cntr(dd, IPATH_CREG_OFFSET(RxMaxMinLenErrCnt));
+       cntrs->RxICRCErrCnt =
+               ipath_snap_cntr(dd, IPATH_CREG_OFFSET(RxICRCErrCnt));
+       cntrs->RxVCRCErrCnt =
+               ipath_snap_cntr(dd, IPATH_CREG_OFFSET(RxVCRCErrCnt));
+       cntrs->RxFlowCtrlErrCnt =
+               ipath_snap_cntr(dd, IPATH_CREG_OFFSET(RxFlowCtrlErrCnt));
+       cntrs->RxBadFormatCnt =
+               ipath_snap_cntr(dd, IPATH_CREG_OFFSET(RxBadFormatCnt));
+       cntrs->RxLinkProblemCnt =
+               ipath_snap_cntr(dd, IPATH_CREG_OFFSET(RxLinkProblemCnt));
+       cntrs->RxEBPCnt =
+               ipath_snap_cntr(dd, IPATH_CREG_OFFSET(RxEBPCnt));
+       cntrs->RxLPCRCErrCnt =
+               ipath_snap_cntr(dd, IPATH_CREG_OFFSET(RxLPCRCErrCnt));
+       cntrs->RxBufOvflCnt =
+               ipath_snap_cntr(dd, IPATH_CREG_OFFSET(RxBufOvflCnt));
+       cntrs->RxTIDFullErrCnt =
+               ipath_snap_cntr(dd, IPATH_CREG_OFFSET(RxTIDFullErrCnt));
+       cntrs->RxTIDValidErrCnt =
+               ipath_snap_cntr(dd, IPATH_CREG_OFFSET(RxTIDValidErrCnt));
+       cntrs->RxPKeyMismatchCnt =
+               ipath_snap_cntr(dd, IPATH_CREG_OFFSET(RxPKeyMismatchCnt));
+       cntrs->RxP0HdrEgrOvflCnt =
+               ipath_snap_cntr(dd, IPATH_CREG_OFFSET(RxP0HdrEgrOvflCnt));
+       cntrs->RxP1HdrEgrOvflCnt =
+               ipath_snap_cntr(dd, IPATH_CREG_OFFSET(RxP1HdrEgrOvflCnt));
+       cntrs->RxP2HdrEgrOvflCnt =
+               ipath_snap_cntr(dd, IPATH_CREG_OFFSET(RxP2HdrEgrOvflCnt));
+       cntrs->RxP3HdrEgrOvflCnt =
+               ipath_snap_cntr(dd, IPATH_CREG_OFFSET(RxP3HdrEgrOvflCnt));
+       cntrs->RxP4HdrEgrOvflCnt =
+               ipath_snap_cntr(dd, IPATH_CREG_OFFSET(RxP4HdrEgrOvflCnt));
+       cntrs->RxP5HdrEgrOvflCnt =
+               ipath_snap_cntr(dd, IPATH_CREG_OFFSET(RxP5HdrEgrOvflCnt));
+       cntrs->RxP6HdrEgrOvflCnt =
+               ipath_snap_cntr(dd, IPATH_CREG_OFFSET(RxP6HdrEgrOvflCnt));
+       cntrs->RxP7HdrEgrOvflCnt =
+               ipath_snap_cntr(dd, IPATH_CREG_OFFSET(RxP7HdrEgrOvflCnt));
+       cntrs->RxP8HdrEgrOvflCnt =
+               ipath_snap_cntr(dd, IPATH_CREG_OFFSET(RxP8HdrEgrOvflCnt));
+       cntrs->RxP9HdrEgrOvflCnt = 0;
+       cntrs->RxP10HdrEgrOvflCnt = 0;
+       cntrs->RxP11HdrEgrOvflCnt = 0;
+       cntrs->RxP12HdrEgrOvflCnt = 0;
+       cntrs->RxP13HdrEgrOvflCnt = 0;
+       cntrs->RxP14HdrEgrOvflCnt = 0;
+       cntrs->RxP15HdrEgrOvflCnt = 0;
+       cntrs->RxP16HdrEgrOvflCnt = 0;
+       cntrs->IBStatusChangeCnt =
+               ipath_snap_cntr(dd, IPATH_CREG_OFFSET(IBStatusChangeCnt));
+       cntrs->IBLinkErrRecoveryCnt =
+               ipath_snap_cntr(dd, IPATH_CREG_OFFSET(IBLinkErrRecoveryCnt));
+       cntrs->IBLinkDownedCnt =
+               ipath_snap_cntr(dd, IPATH_CREG_OFFSET(IBLinkDownedCnt));
+       cntrs->IBSymbolErrCnt =
+               ipath_snap_cntr(dd, IPATH_CREG_OFFSET(IBSymbolErrCnt));
+       cntrs->RxVL15DroppedPktCnt = 0;
+       cntrs->RxOtherLocalPhyErrCnt = 0;
+       cntrs->PcieRetryBufDiagQwordCnt = 0;
+       cntrs->ExcessBufferOvflCnt = dd->ipath_overrun_thresh_errs;
+       cntrs->LocalLinkIntegrityErrCnt =
+               (dd->ipath_flags & IPATH_GPIO_ERRINTRS) ?
+               dd->ipath_lli_errs : dd->ipath_lli_errors;
+       cntrs->RxVlErrCnt = 0;
+       cntrs->RxDlidFltrCnt = 0;
+}
+
 /**
  * ipath_init_iba6110_funcs - set up the chip-specific function pointers
  * @dd: the infinipath device
@@ -1626,6 +1808,8 @@ void ipath_init_iba6110_funcs(struct ipath_devdata *dd)
        dd->ipath_f_setextled = ipath_setup_ht_setextled;
        dd->ipath_f_get_base_info = ipath_ht_get_base_info;
        dd->ipath_f_free_irq = ipath_ht_free_irq;
+       dd->ipath_f_config_ports = ipath_ht_config_ports;
+       dd->ipath_f_read_counters = ipath_ht_read_counters;
 
        /*
         * initialize chip-specific variables