diff options
Diffstat (limited to 'drivers/infiniband/hw/qib/qib_iba7322.c')
| -rw-r--r-- | drivers/infiniband/hw/qib/qib_iba7322.c | 114 |
1 files changed, 114 insertions, 0 deletions
diff --git a/drivers/infiniband/hw/qib/qib_iba7322.c b/drivers/infiniband/hw/qib/qib_iba7322.c index f7c4b44b1f93..21e8b09d4bf8 100644 --- a/drivers/infiniband/hw/qib/qib_iba7322.c +++ b/drivers/infiniband/hw/qib/qib_iba7322.c @@ -83,6 +83,7 @@ static void ibsd_wr_allchans(struct qib_pportdata *, int, unsigned, unsigned); static void serdes_7322_los_enable(struct qib_pportdata *, int); static int serdes_7322_init_old(struct qib_pportdata *); static int serdes_7322_init_new(struct qib_pportdata *); +static void dump_sdma_7322_state(struct qib_pportdata *); #define BMASK(msb, lsb) (((1 << ((msb) + 1 - (lsb))) - 1) << (lsb)) @@ -652,6 +653,7 @@ struct qib_chippport_specific { u8 ibmalfusesnap; struct qib_qsfp_data qsfp_data; char epmsgbuf[192]; /* for port error interrupt msg buffer */ + char sdmamsgbuf[192]; /* for per-port sdma error messages */ }; static struct { @@ -1601,6 +1603,15 @@ static void sdma_7322_p_errors(struct qib_pportdata *ppd, u64 errs) spin_lock_irqsave(&ppd->sdma_lock, flags); + if (errs != QIB_E_P_SDMAHALT) { + /* SDMA errors have QIB_E_P_SDMAHALT and another bit set */ + qib_dev_porterr(dd, ppd->port, + "SDMA %s 0x%016llx %s\n", + qib_sdma_state_names[ppd->sdma_state.current_state], + errs, ppd->cpspec->sdmamsgbuf); + dump_sdma_7322_state(ppd); + } + switch (ppd->sdma_state.current_state) { case qib_sdma_state_s00_hw_down: break; @@ -2156,6 +2167,29 @@ static void qib_7322_handle_hwerrors(struct qib_devdata *dd, char *msg, qib_dev_err(dd, "%s hardware error\n", msg); + if (hwerrs & + (SYM_MASK(HwErrMask, SDmaMemReadErrMask_0) | + SYM_MASK(HwErrMask, SDmaMemReadErrMask_1))) { + int pidx = 0; + int err; + unsigned long flags; + struct qib_pportdata *ppd = dd->pport; + for (; pidx < dd->num_pports; ++pidx, ppd++) { + err = 0; + if (pidx == 0 && (hwerrs & + SYM_MASK(HwErrMask, SDmaMemReadErrMask_0))) + err++; + if (pidx == 1 && (hwerrs & + SYM_MASK(HwErrMask, SDmaMemReadErrMask_1))) + err++; + if (err) { + spin_lock_irqsave(&ppd->sdma_lock, flags); + dump_sdma_7322_state(ppd); + spin_unlock_irqrestore(&ppd->sdma_lock, flags); + } + } + } + if (isfatal && !dd->diag_client) { qib_dev_err(dd, "Fatal Hardware Error, no longer usable, SN %.16s\n", @@ -6753,6 +6787,86 @@ static void qib_sdma_set_7322_desc_cnt(struct qib_pportdata *ppd, unsigned cnt) qib_write_kreg_port(ppd, krp_senddmadesccnt, cnt); } +/* + * sdma_lock should be acquired before calling this routine + */ +static void dump_sdma_7322_state(struct qib_pportdata *ppd) +{ + u64 reg, reg1, reg2; + + reg = qib_read_kreg_port(ppd, krp_senddmastatus); + qib_dev_porterr(ppd->dd, ppd->port, + "SDMA senddmastatus: 0x%016llx\n", reg); + + reg = qib_read_kreg_port(ppd, krp_sendctrl); + qib_dev_porterr(ppd->dd, ppd->port, + "SDMA sendctrl: 0x%016llx\n", reg); + + reg = qib_read_kreg_port(ppd, krp_senddmabase); + qib_dev_porterr(ppd->dd, ppd->port, + "SDMA senddmabase: 0x%016llx\n", reg); + + reg = qib_read_kreg_port(ppd, krp_senddmabufmask0); + reg1 = qib_read_kreg_port(ppd, krp_senddmabufmask1); + reg2 = qib_read_kreg_port(ppd, krp_senddmabufmask2); + qib_dev_porterr(ppd->dd, ppd->port, + "SDMA senddmabufmask 0:%llx 1:%llx 2:%llx\n", + reg, reg1, reg2); + + /* get bufuse bits, clear them, and print them again if non-zero */ + reg = qib_read_kreg_port(ppd, krp_senddmabuf_use0); + qib_write_kreg_port(ppd, krp_senddmabuf_use0, reg); + reg1 = qib_read_kreg_port(ppd, krp_senddmabuf_use1); + qib_write_kreg_port(ppd, krp_senddmabuf_use0, reg1); + reg2 = qib_read_kreg_port(ppd, krp_senddmabuf_use2); + qib_write_kreg_port(ppd, krp_senddmabuf_use0, reg2); + /* 0 and 1 should always be zero, so print as short form */ + qib_dev_porterr(ppd->dd, ppd->port, + "SDMA current senddmabuf_use 0:%llx 1:%llx 2:%llx\n", + reg, reg1, reg2); + reg = qib_read_kreg_port(ppd, krp_senddmabuf_use0); + reg1 = qib_read_kreg_port(ppd, krp_senddmabuf_use1); + reg2 = qib_read_kreg_port(ppd, krp_senddmabuf_use2); + /* 0 and 1 should always be zero, so print as short form */ + qib_dev_porterr(ppd->dd, ppd->port, + "SDMA cleared senddmabuf_use 0:%llx 1:%llx 2:%llx\n", + reg, reg1, reg2); + + reg = qib_read_kreg_port(ppd, krp_senddmatail); + qib_dev_porterr(ppd->dd, ppd->port, + "SDMA senddmatail: 0x%016llx\n", reg); + + reg = qib_read_kreg_port(ppd, krp_senddmahead); + qib_dev_porterr(ppd->dd, ppd->port, + "SDMA senddmahead: 0x%016llx\n", reg); + + reg = qib_read_kreg_port(ppd, krp_senddmaheadaddr); + qib_dev_porterr(ppd->dd, ppd->port, + "SDMA senddmaheadaddr: 0x%016llx\n", reg); + + reg = qib_read_kreg_port(ppd, krp_senddmalengen); + qib_dev_porterr(ppd->dd, ppd->port, + "SDMA senddmalengen: 0x%016llx\n", reg); + + reg = qib_read_kreg_port(ppd, krp_senddmadesccnt); + qib_dev_porterr(ppd->dd, ppd->port, + "SDMA senddmadesccnt: 0x%016llx\n", reg); + + reg = qib_read_kreg_port(ppd, krp_senddmaidlecnt); + qib_dev_porterr(ppd->dd, ppd->port, + "SDMA senddmaidlecnt: 0x%016llx\n", reg); + + reg = qib_read_kreg_port(ppd, krp_senddmaprioritythld); + qib_dev_porterr(ppd->dd, ppd->port, + "SDMA senddmapriorityhld: 0x%016llx\n", reg); + + reg = qib_read_kreg_port(ppd, krp_senddmareloadcnt); + qib_dev_porterr(ppd->dd, ppd->port, + "SDMA senddmareloadcnt: 0x%016llx\n", reg); + + dump_sdma_state(ppd); +} + static struct sdma_set_state_action sdma_7322_action_table[] = { [qib_sdma_state_s00_hw_down] = { .go_s99_running_tofalse = 1, |