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path: root/drivers/infiniband/hw/qib/qib_iba7322.c
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Diffstat (limited to 'drivers/infiniband/hw/qib/qib_iba7322.c')
-rw-r--r--drivers/infiniband/hw/qib/qib_iba7322.c810
1 files changed, 649 insertions, 161 deletions
diff --git a/drivers/infiniband/hw/qib/qib_iba7322.c b/drivers/infiniband/hw/qib/qib_iba7322.c
index 41e92089e41..a7eb32517a0 100644
--- a/drivers/infiniband/hw/qib/qib_iba7322.c
+++ b/drivers/infiniband/hw/qib/qib_iba7322.c
@@ -1,5 +1,6 @@
/*
- * Copyright (c) 2008, 2009, 2010 QLogic Corporation. All rights reserved.
+ * Copyright (c) 2012 Intel Corporation. All rights reserved.
+ * Copyright (c) 2008 - 2012 QLogic Corporation. All rights reserved.
*
* This software is available to you under a choice of one of two
* licenses. You may choose to be licensed under the terms of the GNU
@@ -43,12 +44,19 @@
#include <linux/module.h>
#include <rdma/ib_verbs.h>
#include <rdma/ib_smi.h>
+#ifdef CONFIG_INFINIBAND_QIB_DCA
+#include <linux/dca.h>
+#endif
#include "qib.h"
#include "qib_7322_regs.h"
#include "qib_qsfp.h"
#include "qib_mad.h"
+#include "qib_verbs.h"
+
+#undef pr_fmt
+#define pr_fmt(fmt) QIB_DRV_NAME " " fmt
static void qib_setup_7322_setextled(struct qib_pportdata *, u32);
static void qib_7322_handle_hwerrors(struct qib_devdata *, char *, size_t);
@@ -75,6 +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))
@@ -514,6 +523,14 @@ static const u8 qib_7322_physportstate[0x20] = {
[0x17] = IB_PHYSPORTSTATE_CFG_TRAIN
};
+#ifdef CONFIG_INFINIBAND_QIB_DCA
+struct qib_irq_notify {
+ int rcv;
+ void *arg;
+ struct irq_affinity_notify notify;
+};
+#endif
+
struct qib_chip_specific {
u64 __iomem *cregbase;
u64 *cntrs;
@@ -541,8 +558,13 @@ struct qib_chip_specific {
u32 lastbuf_for_pio;
u32 stay_in_freeze;
u32 recovery_ports_initted;
- struct msix_entry *msix_entries;
- void **msix_arg;
+#ifdef CONFIG_INFINIBAND_QIB_DCA
+ u32 dca_ctrl;
+ int rhdr_cpu[18];
+ int sdma_cpu[2];
+ u64 dca_rcvhdr_ctrl[5]; /* B, C, D, E, F */
+#endif
+ struct qib_msix_entry *msix_entries;
unsigned long *sendchkenable;
unsigned long *sendgrhchk;
unsigned long *sendibchk;
@@ -569,7 +591,7 @@ struct vendor_txdds_ent {
static void write_tx_serdes_param(struct qib_pportdata *, struct txdds_ent *);
#define TXDDS_TABLE_SZ 16 /* number of entries per speed in onchip table */
-#define TXDDS_EXTRA_SZ 13 /* number of extra tx settings entries */
+#define TXDDS_EXTRA_SZ 18 /* number of extra tx settings entries */
#define TXDDS_MFG_SZ 2 /* number of mfg tx settings entries */
#define SERDES_CHANS 4 /* yes, it's obvious, but one less magic number */
@@ -631,6 +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 {
@@ -638,28 +661,76 @@ static struct {
irq_handler_t handler;
int lsb;
int port; /* 0 if not port-specific, else port # */
+ int dca;
} irq_table[] = {
- { QIB_DRV_NAME, qib_7322intr, -1, 0 },
- { QIB_DRV_NAME " (buf avail)", qib_7322bufavail,
- SYM_LSB(IntStatus, SendBufAvail), 0 },
- { QIB_DRV_NAME " (sdma 0)", sdma_intr,
- SYM_LSB(IntStatus, SDmaInt_0), 1 },
- { QIB_DRV_NAME " (sdma 1)", sdma_intr,
- SYM_LSB(IntStatus, SDmaInt_1), 2 },
- { QIB_DRV_NAME " (sdmaI 0)", sdma_idle_intr,
- SYM_LSB(IntStatus, SDmaIdleInt_0), 1 },
- { QIB_DRV_NAME " (sdmaI 1)", sdma_idle_intr,
- SYM_LSB(IntStatus, SDmaIdleInt_1), 2 },
- { QIB_DRV_NAME " (sdmaP 0)", sdma_progress_intr,
- SYM_LSB(IntStatus, SDmaProgressInt_0), 1 },
- { QIB_DRV_NAME " (sdmaP 1)", sdma_progress_intr,
- SYM_LSB(IntStatus, SDmaProgressInt_1), 2 },
- { QIB_DRV_NAME " (sdmaC 0)", sdma_cleanup_intr,
- SYM_LSB(IntStatus, SDmaCleanupDone_0), 1 },
- { QIB_DRV_NAME " (sdmaC 1)", sdma_cleanup_intr,
- SYM_LSB(IntStatus, SDmaCleanupDone_1), 2 },
+ { "", qib_7322intr, -1, 0, 0 },
+ { " (buf avail)", qib_7322bufavail,
+ SYM_LSB(IntStatus, SendBufAvail), 0, 0},
+ { " (sdma 0)", sdma_intr,
+ SYM_LSB(IntStatus, SDmaInt_0), 1, 1 },
+ { " (sdma 1)", sdma_intr,
+ SYM_LSB(IntStatus, SDmaInt_1), 2, 1 },
+ { " (sdmaI 0)", sdma_idle_intr,
+ SYM_LSB(IntStatus, SDmaIdleInt_0), 1, 1},
+ { " (sdmaI 1)", sdma_idle_intr,
+ SYM_LSB(IntStatus, SDmaIdleInt_1), 2, 1},
+ { " (sdmaP 0)", sdma_progress_intr,
+ SYM_LSB(IntStatus, SDmaProgressInt_0), 1, 1 },
+ { " (sdmaP 1)", sdma_progress_intr,
+ SYM_LSB(IntStatus, SDmaProgressInt_1), 2, 1 },
+ { " (sdmaC 0)", sdma_cleanup_intr,
+ SYM_LSB(IntStatus, SDmaCleanupDone_0), 1, 0 },
+ { " (sdmaC 1)", sdma_cleanup_intr,
+ SYM_LSB(IntStatus, SDmaCleanupDone_1), 2 , 0},
};
+#ifdef CONFIG_INFINIBAND_QIB_DCA
+
+static const struct dca_reg_map {
+ int shadow_inx;
+ int lsb;
+ u64 mask;
+ u16 regno;
+} dca_rcvhdr_reg_map[] = {
+ { 0, SYM_LSB(DCACtrlB, RcvHdrq0DCAOPH),
+ ~SYM_MASK(DCACtrlB, RcvHdrq0DCAOPH) , KREG_IDX(DCACtrlB) },
+ { 0, SYM_LSB(DCACtrlB, RcvHdrq1DCAOPH),
+ ~SYM_MASK(DCACtrlB, RcvHdrq1DCAOPH) , KREG_IDX(DCACtrlB) },
+ { 0, SYM_LSB(DCACtrlB, RcvHdrq2DCAOPH),
+ ~SYM_MASK(DCACtrlB, RcvHdrq2DCAOPH) , KREG_IDX(DCACtrlB) },
+ { 0, SYM_LSB(DCACtrlB, RcvHdrq3DCAOPH),
+ ~SYM_MASK(DCACtrlB, RcvHdrq3DCAOPH) , KREG_IDX(DCACtrlB) },
+ { 1, SYM_LSB(DCACtrlC, RcvHdrq4DCAOPH),
+ ~SYM_MASK(DCACtrlC, RcvHdrq4DCAOPH) , KREG_IDX(DCACtrlC) },
+ { 1, SYM_LSB(DCACtrlC, RcvHdrq5DCAOPH),
+ ~SYM_MASK(DCACtrlC, RcvHdrq5DCAOPH) , KREG_IDX(DCACtrlC) },
+ { 1, SYM_LSB(DCACtrlC, RcvHdrq6DCAOPH),
+ ~SYM_MASK(DCACtrlC, RcvHdrq6DCAOPH) , KREG_IDX(DCACtrlC) },
+ { 1, SYM_LSB(DCACtrlC, RcvHdrq7DCAOPH),
+ ~SYM_MASK(DCACtrlC, RcvHdrq7DCAOPH) , KREG_IDX(DCACtrlC) },
+ { 2, SYM_LSB(DCACtrlD, RcvHdrq8DCAOPH),
+ ~SYM_MASK(DCACtrlD, RcvHdrq8DCAOPH) , KREG_IDX(DCACtrlD) },
+ { 2, SYM_LSB(DCACtrlD, RcvHdrq9DCAOPH),
+ ~SYM_MASK(DCACtrlD, RcvHdrq9DCAOPH) , KREG_IDX(DCACtrlD) },
+ { 2, SYM_LSB(DCACtrlD, RcvHdrq10DCAOPH),
+ ~SYM_MASK(DCACtrlD, RcvHdrq10DCAOPH) , KREG_IDX(DCACtrlD) },
+ { 2, SYM_LSB(DCACtrlD, RcvHdrq11DCAOPH),
+ ~SYM_MASK(DCACtrlD, RcvHdrq11DCAOPH) , KREG_IDX(DCACtrlD) },
+ { 3, SYM_LSB(DCACtrlE, RcvHdrq12DCAOPH),
+ ~SYM_MASK(DCACtrlE, RcvHdrq12DCAOPH) , KREG_IDX(DCACtrlE) },
+ { 3, SYM_LSB(DCACtrlE, RcvHdrq13DCAOPH),
+ ~SYM_MASK(DCACtrlE, RcvHdrq13DCAOPH) , KREG_IDX(DCACtrlE) },
+ { 3, SYM_LSB(DCACtrlE, RcvHdrq14DCAOPH),
+ ~SYM_MASK(DCACtrlE, RcvHdrq14DCAOPH) , KREG_IDX(DCACtrlE) },
+ { 3, SYM_LSB(DCACtrlE, RcvHdrq15DCAOPH),
+ ~SYM_MASK(DCACtrlE, RcvHdrq15DCAOPH) , KREG_IDX(DCACtrlE) },
+ { 4, SYM_LSB(DCACtrlF, RcvHdrq16DCAOPH),
+ ~SYM_MASK(DCACtrlF, RcvHdrq16DCAOPH) , KREG_IDX(DCACtrlF) },
+ { 4, SYM_LSB(DCACtrlF, RcvHdrq17DCAOPH),
+ ~SYM_MASK(DCACtrlF, RcvHdrq17DCAOPH) , KREG_IDX(DCACtrlF) },
+};
+#endif
+
/* ibcctrl bits */
#define QLOGIC_IB_IBCC_LINKINITCMD_DISABLE 1
/* cycle through TS1/TS2 till OK */
@@ -682,6 +753,13 @@ static void write_7322_init_portregs(struct qib_pportdata *);
static void setup_7322_link_recovery(struct qib_pportdata *, u32);
static void check_7322_rxe_status(struct qib_pportdata *);
static u32 __iomem *qib_7322_getsendbuf(struct qib_pportdata *, u64, u32 *);
+#ifdef CONFIG_INFINIBAND_QIB_DCA
+static void qib_setup_dca(struct qib_devdata *dd);
+static void setup_dca_notifier(struct qib_devdata *dd,
+ struct qib_msix_entry *m);
+static void reset_dca_notifier(struct qib_devdata *dd,
+ struct qib_msix_entry *m);
+#endif
/**
* qib_read_ureg32 - read 32-bit virtualized per-context register
@@ -1518,6 +1596,8 @@ static void sdma_7322_p_errors(struct qib_pportdata *ppd, u64 errs)
struct qib_devdata *dd = ppd->dd;
errs &= QIB_E_P_SDMAERRS;
+ err_decode(ppd->cpspec->sdmamsgbuf, sizeof(ppd->cpspec->sdmamsgbuf),
+ errs, qib_7322p_error_msgs);
if (errs & QIB_E_P_SDMAUNEXPDATA)
qib_dev_err(dd, "IB%u:%u SDmaUnexpData\n", dd->unit,
@@ -1525,6 +1605,15 @@ 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;
@@ -1576,8 +1665,8 @@ static noinline void handle_7322_errors(struct qib_devdata *dd)
qib_stats.sps_errints++;
errs = qib_read_kreg64(dd, kr_errstatus);
if (!errs) {
- qib_devinfo(dd->pcidev, "device error interrupt, "
- "but no error bits set!\n");
+ qib_devinfo(dd->pcidev,
+ "device error interrupt, but no error bits set!\n");
goto done;
}
@@ -1623,8 +1712,8 @@ static noinline void handle_7322_errors(struct qib_devdata *dd)
if (errs & QIB_E_RESET) {
int pidx;
- qib_dev_err(dd, "Got reset, requires re-init "
- "(unload and reload driver)\n");
+ qib_dev_err(dd,
+ "Got reset, requires re-init (unload and reload driver)\n");
dd->flags &= ~QIB_INITTED; /* needs re-init */
/* mark as having had error */
*dd->devstatusp |= QIB_STATUS_HWERROR;
@@ -1761,9 +1850,9 @@ static void handle_serdes_issues(struct qib_pportdata *ppd, u64 ibcst)
ppd->dd->cspec->r1 ?
QDR_STATIC_ADAPT_DOWN_R1 :
QDR_STATIC_ADAPT_DOWN);
- printk(KERN_INFO QIB_DRV_NAME
- " IB%u:%u re-enabled QDR adaptation "
- "ibclt %x\n", ppd->dd->unit, ppd->port, ibclt);
+ pr_info(
+ "IB%u:%u re-enabled QDR adaptation ibclt %x\n",
+ ppd->dd->unit, ppd->port, ibclt);
}
}
}
@@ -1805,9 +1894,9 @@ static noinline void handle_7322_p_errors(struct qib_pportdata *ppd)
if (!*msg)
snprintf(msg, sizeof ppd->cpspec->epmsgbuf,
"no others");
- qib_dev_porterr(dd, ppd->port, "error interrupt with unknown"
- " errors 0x%016Lx set (and %s)\n",
- (errs & ~QIB_E_P_BITSEXTANT), msg);
+ qib_dev_porterr(dd, ppd->port,
+ "error interrupt with unknown errors 0x%016Lx set (and %s)\n",
+ (errs & ~QIB_E_P_BITSEXTANT), msg);
*msg = '\0';
}
@@ -2025,8 +2114,8 @@ static void qib_7322_handle_hwerrors(struct qib_devdata *dd, char *msg,
if (!hwerrs)
goto bail;
if (hwerrs == ~0ULL) {
- qib_dev_err(dd, "Read of hardware error status failed "
- "(all bits set); ignoring\n");
+ qib_dev_err(dd,
+ "Read of hardware error status failed (all bits set); ignoring\n");
goto bail;
}
qib_stats.sps_hwerrs++;
@@ -2040,8 +2129,9 @@ static void qib_7322_handle_hwerrors(struct qib_devdata *dd, char *msg,
/* no EEPROM logging, yet */
if (hwerrs)
- qib_devinfo(dd->pcidev, "Hardware error: hwerr=0x%llx "
- "(cleared)\n", (unsigned long long) hwerrs);
+ qib_devinfo(dd->pcidev,
+ "Hardware error: hwerr=0x%llx (cleared)\n",
+ (unsigned long long) hwerrs);
ctrl = qib_read_kreg32(dd, kr_control);
if ((ctrl & SYM_MASK(Control, FreezeMode)) && !dd->diag_client) {
@@ -2065,8 +2155,9 @@ static void qib_7322_handle_hwerrors(struct qib_devdata *dd, char *msg,
if (hwerrs & HWE_MASK(PowerOnBISTFailed)) {
isfatal = 1;
- strlcpy(msg, "[Memory BIST test failed, "
- "InfiniPath hardware unusable]", msgl);
+ strlcpy(msg,
+ "[Memory BIST test failed, InfiniPath hardware unusable]",
+ msgl);
/* ignore from now on, so disable until driver reloaded */
dd->cspec->hwerrmask &= ~HWE_MASK(PowerOnBISTFailed);
qib_write_kreg(dd, kr_hwerrmask, dd->cspec->hwerrmask);
@@ -2078,9 +2169,33 @@ 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", dd->serial);
+ qib_dev_err(dd,
+ "Fatal Hardware Error, no longer usable, SN %.16s\n",
+ dd->serial);
/*
* for /sys status file and user programs to print; if no
* trailing brace is copied, we'll know it was truncated.
@@ -2280,6 +2395,11 @@ static int qib_7322_bringup_serdes(struct qib_pportdata *ppd)
qib_write_kreg_port(ppd, krp_ibcctrl_a, ppd->cpspec->ibcctrl_a);
qib_write_kreg(dd, kr_scratch, 0ULL);
+ /* ensure previous Tx parameters are not still forced */
+ qib_write_kreg_port(ppd, krp_tx_deemph_override,
+ SYM_MASK(IBSD_TX_DEEMPHASIS_OVERRIDE_0,
+ reset_tx_deemphasis_override));
+
if (qib_compat_ddr_negotiate) {
ppd->cpspec->ibdeltainprog = 1;
ppd->cpspec->ibsymsnap = read_7322_creg32_port(ppd,
@@ -2551,6 +2671,162 @@ static void qib_setup_7322_setextled(struct qib_pportdata *ppd, u32 on)
qib_write_kreg_port(ppd, krp_rcvpktledcnt, ledblink);
}
+#ifdef CONFIG_INFINIBAND_QIB_DCA
+
+static int qib_7322_notify_dca(struct qib_devdata *dd, unsigned long event)
+{
+ switch (event) {
+ case DCA_PROVIDER_ADD:
+ if (dd->flags & QIB_DCA_ENABLED)
+ break;
+ if (!dca_add_requester(&dd->pcidev->dev)) {
+ qib_devinfo(dd->pcidev, "DCA enabled\n");
+ dd->flags |= QIB_DCA_ENABLED;
+ qib_setup_dca(dd);
+ }
+ break;
+ case DCA_PROVIDER_REMOVE:
+ if (dd->flags & QIB_DCA_ENABLED) {
+ dca_remove_requester(&dd->pcidev->dev);
+ dd->flags &= ~QIB_DCA_ENABLED;
+ dd->cspec->dca_ctrl = 0;
+ qib_write_kreg(dd, KREG_IDX(DCACtrlA),
+ dd->cspec->dca_ctrl);
+ }
+ break;
+ }
+ return 0;
+}
+
+static void qib_update_rhdrq_dca(struct qib_ctxtdata *rcd, int cpu)
+{
+ struct qib_devdata *dd = rcd->dd;
+ struct qib_chip_specific *cspec = dd->cspec;
+
+ if (!(dd->flags & QIB_DCA_ENABLED))
+ return;
+ if (cspec->rhdr_cpu[rcd->ctxt] != cpu) {
+ const struct dca_reg_map *rmp;
+
+ cspec->rhdr_cpu[rcd->ctxt] = cpu;
+ rmp = &dca_rcvhdr_reg_map[rcd->ctxt];
+ cspec->dca_rcvhdr_ctrl[rmp->shadow_inx] &= rmp->mask;
+ cspec->dca_rcvhdr_ctrl[rmp->shadow_inx] |=
+ (u64) dca3_get_tag(&dd->pcidev->dev, cpu) << rmp->lsb;
+ qib_devinfo(dd->pcidev,
+ "Ctxt %d cpu %d dca %llx\n", rcd->ctxt, cpu,
+ (long long) cspec->dca_rcvhdr_ctrl[rmp->shadow_inx]);
+ qib_write_kreg(dd, rmp->regno,
+ cspec->dca_rcvhdr_ctrl[rmp->shadow_inx]);
+ cspec->dca_ctrl |= SYM_MASK(DCACtrlA, RcvHdrqDCAEnable);
+ qib_write_kreg(dd, KREG_IDX(DCACtrlA), cspec->dca_ctrl);
+ }
+}
+
+static void qib_update_sdma_dca(struct qib_pportdata *ppd, int cpu)
+{
+ struct qib_devdata *dd = ppd->dd;
+ struct qib_chip_specific *cspec = dd->cspec;
+ unsigned pidx = ppd->port - 1;
+
+ if (!(dd->flags & QIB_DCA_ENABLED))
+ return;
+ if (cspec->sdma_cpu[pidx] != cpu) {
+ cspec->sdma_cpu[pidx] = cpu;
+ cspec->dca_rcvhdr_ctrl[4] &= ~(ppd->hw_pidx ?
+ SYM_MASK(DCACtrlF, SendDma1DCAOPH) :
+ SYM_MASK(DCACtrlF, SendDma0DCAOPH));
+ cspec->dca_rcvhdr_ctrl[4] |=
+ (u64) dca3_get_tag(&dd->pcidev->dev, cpu) <<
+ (ppd->hw_pidx ?
+ SYM_LSB(DCACtrlF, SendDma1DCAOPH) :
+ SYM_LSB(DCACtrlF, SendDma0DCAOPH));
+ qib_devinfo(dd->pcidev,
+ "sdma %d cpu %d dca %llx\n", ppd->hw_pidx, cpu,
+ (long long) cspec->dca_rcvhdr_ctrl[4]);
+ qib_write_kreg(dd, KREG_IDX(DCACtrlF),
+ cspec->dca_rcvhdr_ctrl[4]);
+ cspec->dca_ctrl |= ppd->hw_pidx ?
+ SYM_MASK(DCACtrlA, SendDMAHead1DCAEnable) :
+ SYM_MASK(DCACtrlA, SendDMAHead0DCAEnable);
+ qib_write_kreg(dd, KREG_IDX(DCACtrlA), cspec->dca_ctrl);
+ }
+}
+
+static void qib_setup_dca(struct qib_devdata *dd)
+{
+ struct qib_chip_specific *cspec = dd->cspec;
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(cspec->rhdr_cpu); i++)
+ cspec->rhdr_cpu[i] = -1;
+ for (i = 0; i < ARRAY_SIZE(cspec->sdma_cpu); i++)
+ cspec->sdma_cpu[i] = -1;
+ cspec->dca_rcvhdr_ctrl[0] =
+ (1ULL << SYM_LSB(DCACtrlB, RcvHdrq0DCAXfrCnt)) |
+ (1ULL << SYM_LSB(DCACtrlB, RcvHdrq1DCAXfrCnt)) |
+ (1ULL << SYM_LSB(DCACtrlB, RcvHdrq2DCAXfrCnt)) |
+ (1ULL << SYM_LSB(DCACtrlB, RcvHdrq3DCAXfrCnt));
+ cspec->dca_rcvhdr_ctrl[1] =
+ (1ULL << SYM_LSB(DCACtrlC, RcvHdrq4DCAXfrCnt)) |
+ (1ULL << SYM_LSB(DCACtrlC, RcvHdrq5DCAXfrCnt)) |
+ (1ULL << SYM_LSB(DCACtrlC, RcvHdrq6DCAXfrCnt)) |
+ (1ULL << SYM_LSB(DCACtrlC, RcvHdrq7DCAXfrCnt));
+ cspec->dca_rcvhdr_ctrl[2] =
+ (1ULL << SYM_LSB(DCACtrlD, RcvHdrq8DCAXfrCnt)) |
+ (1ULL << SYM_LSB(DCACtrlD, RcvHdrq9DCAXfrCnt)) |
+ (1ULL << SYM_LSB(DCACtrlD, RcvHdrq10DCAXfrCnt)) |
+ (1ULL << SYM_LSB(DCACtrlD, RcvHdrq11DCAXfrCnt));
+ cspec->dca_rcvhdr_ctrl[3] =
+ (1ULL << SYM_LSB(DCACtrlE, RcvHdrq12DCAXfrCnt)) |
+ (1ULL << SYM_LSB(DCACtrlE, RcvHdrq13DCAXfrCnt)) |
+ (1ULL << SYM_LSB(DCACtrlE, RcvHdrq14DCAXfrCnt)) |
+ (1ULL << SYM_LSB(DCACtrlE, RcvHdrq15DCAXfrCnt));
+ cspec->dca_rcvhdr_ctrl[4] =
+ (1ULL << SYM_LSB(DCACtrlF, RcvHdrq16DCAXfrCnt)) |
+ (1ULL << SYM_LSB(DCACtrlF, RcvHdrq17DCAXfrCnt));
+ for (i = 0; i < ARRAY_SIZE(cspec->sdma_cpu); i++)
+ qib_write_kreg(dd, KREG_IDX(DCACtrlB) + i,
+ cspec->dca_rcvhdr_ctrl[i]);
+ for (i = 0; i < cspec->num_msix_entries; i++)
+ setup_dca_notifier(dd, &cspec->msix_entries[i]);
+}
+
+static void qib_irq_notifier_notify(struct irq_affinity_notify *notify,
+ const cpumask_t *mask)
+{
+ struct qib_irq_notify *n =
+ container_of(notify, struct qib_irq_notify, notify);
+ int cpu = cpumask_first(mask);
+
+ if (n->rcv) {
+ struct qib_ctxtdata *rcd = (struct qib_ctxtdata *)n->arg;
+ qib_update_rhdrq_dca(rcd, cpu);
+ } else {
+ struct qib_pportdata *ppd = (struct qib_pportdata *)n->arg;
+ qib_update_sdma_dca(ppd, cpu);
+ }
+}
+
+static void qib_irq_notifier_release(struct kref *ref)
+{
+ struct qib_irq_notify *n =
+ container_of(ref, struct qib_irq_notify, notify.kref);
+ struct qib_devdata *dd;
+
+ if (n->rcv) {
+ struct qib_ctxtdata *rcd = (struct qib_ctxtdata *)n->arg;
+ dd = rcd->dd;
+ } else {
+ struct qib_pportdata *ppd = (struct qib_pportdata *)n->arg;
+ dd = ppd->dd;
+ }
+ qib_devinfo(dd->pcidev,
+ "release on HCA notify 0x%p n 0x%p\n", ref, n);
+ kfree(n);
+}
+#endif
+
/*
* Disable MSIx interrupt if enabled, call generic MSIx code
* to cleanup, and clear pending MSIx interrupts.
@@ -2567,9 +2843,16 @@ static void qib_7322_nomsix(struct qib_devdata *dd)
int i;
dd->cspec->num_msix_entries = 0;
- for (i = 0; i < n; i++)
- free_irq(dd->cspec->msix_entries[i].vector,
- dd->cspec->msix_arg[i]);
+ for (i = 0; i < n; i++) {
+#ifdef CONFIG_INFINIBAND_QIB_DCA
+ reset_dca_notifier(dd, &dd->cspec->msix_entries[i]);
+#endif
+ irq_set_affinity_hint(
+ dd->cspec->msix_entries[i].msix.vector, NULL);
+ free_cpumask_var(dd->cspec->msix_entries[i].mask);
+ free_irq(dd->cspec->msix_entries[i].msix.vector,
+ dd->cspec->msix_entries[i].arg);
+ }
qib_nomsix(dd);
}
/* make sure no MSIx interrupts are left pending */
@@ -2591,13 +2874,21 @@ static void qib_setup_7322_cleanup(struct qib_devdata *dd)
{
int i;
+#ifdef CONFIG_INFINIBAND_QIB_DCA
+ if (dd->flags & QIB_DCA_ENABLED) {
+ dca_remove_requester(&dd->pcidev->dev);
+ dd->flags &= ~QIB_DCA_ENABLED;
+ dd->cspec->dca_ctrl = 0;
+ qib_write_kreg(dd, KREG_IDX(DCACtrlA), dd->cspec->dca_ctrl);
+ }
+#endif
+
qib_7322_free_irq(dd);
kfree(dd->cspec->cntrs);
kfree(dd->cspec->sendchkenable);
kfree(dd->cspec->sendgrhchk);
kfree(dd->cspec->sendibchk);
kfree(dd->cspec->msix_entries);
- kfree(dd->cspec->msix_arg);
for (i = 0; i < dd->num_pports; i++) {
unsigned long flags;
u32 mask = QSFP_GPIO_MOD_PRS_N |
@@ -2665,8 +2956,9 @@ static noinline void unknown_7322_ibits(struct qib_devdata *dd, u64 istat)
char msg[128];
kills = istat & ~QIB_I_BITSEXTANT;
- qib_dev_err(dd, "Clearing reserved interrupt(s) 0x%016llx:"
- " %s\n", (unsigned long long) kills, msg);
+ qib_dev_err(dd,
+ "Clearing reserved interrupt(s) 0x%016llx: %s\n",
+ (unsigned long long) kills, msg);
qib_write_kreg(dd, kr_intmask, (dd->cspec->int_enable_mask & ~kills));
}
@@ -2823,9 +3115,7 @@ static irqreturn_t qib_7322intr(int irq, void *data)
goto bail;
}
- qib_stats.sps_ints++;
- if (dd->int_counter != (u32) -1)
- dd->int_counter++;
+ this_cpu_inc(*dd->int_counter);
/* handle "errors" of various kinds first, device ahead of port */
if (unlikely(istat & (~QIB_I_BITSEXTANT | QIB_I_GPIO |
@@ -2894,9 +3184,7 @@ static irqreturn_t qib_7322pintr(int irq, void *data)
*/
return IRQ_HANDLED;
- qib_stats.sps_ints++;
- if (dd->int_counter != (u32) -1)
- dd->int_counter++;
+ this_cpu_inc(*dd->int_counter);
/* Clear the interrupt bit we expect to be set. */
qib_write_kreg(dd, kr_intclear, ((1ULL << QIB_I_RCVAVAIL_LSB) |
@@ -2923,9 +3211,7 @@ static irqreturn_t qib_7322bufavail(int irq, void *data)
*/
return IRQ_HANDLED;
- qib_stats.sps_ints++;
- if (dd->int_counter != (u32) -1)
- dd->int_counter++;
+ this_cpu_inc(*dd->int_counter);
/* Clear the interrupt bit we expect to be set. */
qib_write_kreg(dd, kr_intclear, QIB_I_SPIOBUFAVAIL);
@@ -2956,9 +3242,7 @@ static irqreturn_t sdma_intr(int irq, void *data)
*/
return IRQ_HANDLED;
- qib_stats.sps_ints++;
- if (dd->int_counter != (u32) -1)
- dd->int_counter++;
+ this_cpu_inc(*dd->int_counter);
/* Clear the interrupt bit we expect to be set. */
qib_write_kreg(dd, kr_intclear, ppd->hw_pidx ?
@@ -2985,9 +3269,7 @@ static irqreturn_t sdma_idle_intr(int irq, void *data)
*/
return IRQ_HANDLED;
- qib_stats.sps_ints++;
- if (dd->int_counter != (u32) -1)
- dd->int_counter++;
+ this_cpu_inc(*dd->int_counter);
/* Clear the interrupt bit we expect to be set. */
qib_write_kreg(dd, kr_intclear, ppd->hw_pidx ?
@@ -3014,9 +3296,7 @@ static irqreturn_t sdma_progress_intr(int irq, void *data)
*/
return IRQ_HANDLED;
- qib_stats.sps_ints++;
- if (dd->int_counter != (u32) -1)
- dd->int_counter++;
+ this_cpu_inc(*dd->int_counter);
/* Clear the interrupt bit we expect to be set. */
qib_write_kreg(dd, kr_intclear, ppd->hw_pidx ?
@@ -3044,9 +3324,7 @@ static irqreturn_t sdma_cleanup_intr(int irq, void *data)
*/
return IRQ_HANDLED;
- qib_stats.sps_ints++;
- if (dd->int_counter != (u32) -1)
- dd->int_counter++;
+ this_cpu_inc(*dd->int_counter);
/* Clear the interrupt bit we expect to be set. */
qib_write_kreg(dd, kr_intclear, ppd->hw_pidx ?
@@ -3057,6 +3335,53 @@ static irqreturn_t sdma_cleanup_intr(int irq, void *data)
return IRQ_HANDLED;
}
+#ifdef CONFIG_INFINIBAND_QIB_DCA
+
+static void reset_dca_notifier(struct qib_devdata *dd, struct qib_msix_entry *m)
+{
+ if (!m->dca)
+ return;
+ qib_devinfo(dd->pcidev,
+ "Disabling notifier on HCA %d irq %d\n",
+ dd->unit,
+ m->msix.vector);
+ irq_set_affinity_notifier(
+ m->msix.vector,
+ NULL);
+ m->notifier = NULL;
+}
+
+static void setup_dca_notifier(struct qib_devdata *dd, struct qib_msix_entry *m)
+{
+ struct qib_irq_notify *n;
+
+ if (!m->dca)
+ return;
+ n = kzalloc(sizeof(*n), GFP_KERNEL);
+ if (n) {
+ int ret;
+
+ m->notifier = n;
+ n->notify.irq = m->msix.vector;
+ n->notify.notify = qib_irq_notifier_notify;
+ n->notify.release = qib_irq_notifier_release;
+ n->arg = m->arg;
+ n->rcv = m->rcv;
+ qib_devinfo(dd->pcidev,
+ "set notifier irq %d rcv %d notify %p\n",
+ n->notify.irq, n->rcv, &n->notify);
+ ret = irq_set_affinity_notifier(
+ n->notify.irq,
+ &n->notify);
+ if (ret) {
+ m->notifier = NULL;
+ kfree(n);
+ }
+ }
+}
+
+#endif
+
/*
* Set up our chip-specific interrupt handler.
* The interrupt type has already been setup, so
@@ -3070,6 +3395,8 @@ static void qib_setup_7322_interrupt(struct qib_devdata *dd, int clearpend)
int ret, i, msixnum;
u64 redirect[6];
u64 mask;
+ const struct cpumask *local_mask;
+ int firstcpu, secondcpu = 0, currrcvcpu = 0;
if (!dd->num_pports)
return;
@@ -3097,16 +3424,16 @@ static void qib_setup_7322_interrupt(struct qib_devdata *dd, int clearpend)
/* Try to get INTx interrupt */
try_intx:
if (!dd->pcidev->irq) {
- qib_dev_err(dd, "irq is 0, BIOS error? "
- "Interrupts won't work\n");
+ qib_dev_err(dd,
+ "irq is 0, BIOS error? Interrupts won't work\n");
goto bail;
}
ret = request_irq(dd->pcidev->irq, qib_7322intr,
IRQF_SHARED, QIB_DRV_NAME, dd);
if (ret) {
- qib_dev_err(dd, "Couldn't setup INTx "
- "interrupt (irq=%d): %d\n",
- dd->pcidev->irq, ret);
+ qib_dev_err(dd,
+ "Couldn't setup INTx interrupt (irq=%d): %d\n",
+ dd->pcidev->irq, ret);
goto bail;
}
dd->cspec->irq = dd->pcidev->irq;
@@ -3118,13 +3445,31 @@ try_intx:
memset(redirect, 0, sizeof redirect);
mask = ~0ULL;
msixnum = 0;
+ local_mask = cpumask_of_pcibus(dd->pcidev->bus);
+ firstcpu = cpumask_first(local_mask);
+ if (firstcpu >= nr_cpu_ids ||
+ cpumask_weight(local_mask) == num_online_cpus()) {
+ local_mask = topology_core_cpumask(0);
+ firstcpu = cpumask_first(local_mask);
+ }
+ if (firstcpu < nr_cpu_ids) {
+ secondcpu = cpumask_next(firstcpu, local_mask);
+ if (secondcpu >= nr_cpu_ids)
+ secondcpu = firstcpu;
+ currrcvcpu = secondcpu;
+ }
for (i = 0; msixnum < dd->cspec->num_msix_entries; i++) {
irq_handler_t handler;
- const char *name;
void *arg;
u64 val;
int lsb, reg, sh;
+#ifdef CONFIG_INFINIBAND_QIB_DCA
+ int dca = 0;
+#endif
+ dd->cspec->msix_entries[msixnum].
+ name[sizeof(dd->cspec->msix_entries[msixnum].name) - 1]
+ = '\0';
if (i < ARRAY_SIZE(irq_table)) {
if (irq_table[i].port) {
/* skip if for a non-configured port */
@@ -3133,9 +3478,16 @@ try_intx:
arg = dd->pport + irq_table[i].port - 1;
} else
arg = dd;
+#ifdef CONFIG_INFINIBAND_QIB_DCA
+ dca = irq_table[i].dca;
+#endif
lsb = irq_table[i].lsb;
handler = irq_table[i].handler;
- name = irq_table[i].name;
+ snprintf(dd->cspec->msix_entries[msixnum].name,
+ sizeof(dd->cspec->msix_entries[msixnum].name)
+ - 1,
+ QIB_DRV_NAME "%d%s", dd->unit,
+ irq_table[i].name);
} else {
unsigned ctxt;
@@ -3146,25 +3498,39 @@ try_intx:
continue;
if (qib_krcvq01_no_msi && ctxt < 2)
continue;
+#ifdef CONFIG_INFINIBAND_QIB_DCA
+ dca = 1;
+#endif
lsb = QIB_I_RCVAVAIL_LSB + ctxt;
handler = qib_7322pintr;
- name = QIB_DRV_NAME " (kctx)";
+ snprintf(dd->cspec->msix_entries[msixnum].name,
+ sizeof(dd->cspec->msix_entries[msixnum].name)
+ - 1,
+ QIB_DRV_NAME "%d (kctx)", dd->unit);
}
- ret = request_irq(dd->cspec->msix_entries[msixnum].vector,
- handler, 0, name, arg);
+ ret = request_irq(
+ dd->cspec->msix_entries[msixnum].msix.vector,
+ handler, 0, dd->cspec->msix_entries[msixnum].name,
+ arg);
if (ret) {
/*
* Shouldn't happen since the enable said we could
* have as many as we are trying to setup here.
*/
- qib_dev_err(dd, "Couldn't setup MSIx "
- "interrupt (vec=%d, irq=%d): %d\n", msixnum,
- dd->cspec->msix_entries[msixnum].vector,
- ret);
+ qib_dev_err(dd,
+ "Couldn't setup MSIx interrupt (vec=%d, irq=%d): %d\n",
+ msixnum,
+ dd->cspec->msix_entries[msixnum].msix.vector,
+ ret);
qib_7322_nomsix(dd);
goto try_intx;
}
- dd->cspec->msix_arg[msixnum] = arg;
+ dd->cspec->msix_entries[msixnum].arg = arg;
+#ifdef CONFIG_INFINIBAND_QIB_DCA
+ dd->cspec->msix_entries[msixnum].dca = dca;
+ dd->cspec->msix_entries[msixnum].rcv =
+ handler == qib_7322pintr;
+#endif
if (lsb >= 0) {
reg = lsb / IBA7322_REDIRECT_VEC_PER_REG;
sh = (lsb % IBA7322_REDIRECT_VEC_PER_REG) *
@@ -3174,6 +3540,25 @@ try_intx:
}
val = qib_read_kreg64(dd, 2 * msixnum + 1 +
(QIB_7322_MsixTable_OFFS / sizeof(u64)));
+ if (firstcpu < nr_cpu_ids &&
+ zalloc_cpumask_var(
+ &dd->cspec->msix_entries[msixnum].mask,
+ GFP_KERNEL)) {
+ if (handler == qib_7322pintr) {
+ cpumask_set_cpu(currrcvcpu,
+ dd->cspec->msix_entries[msixnum].mask);
+ currrcvcpu = cpumask_next(currrcvcpu,
+ local_mask);
+ if (currrcvcpu >= nr_cpu_ids)
+ currrcvcpu = secondcpu;
+ } else {
+ cpumask_set_cpu(firstcpu,
+ dd->cspec->msix_entries[msixnum].mask);
+ }
+ irq_set_affinity_hint(
+ dd->cspec->msix_entries[msixnum].msix.vector,
+ dd->cspec->msix_entries[msixnum].mask);
+ }
msixnum++;
}
/* Initialize the vector mapping */
@@ -3258,8 +3643,9 @@ static unsigned qib_7322_boardname(struct qib_devdata *dd)
(unsigned)SYM_FIELD(dd->revision, Revision_R, SW));
if (qib_singleport && (features >> PORT_SPD_CAP_SHIFT) & PORT_SPD_CAP) {
- qib_devinfo(dd->pcidev, "IB%u: Forced to single port mode"
- " by module parameter\n", dd->unit);
+ qib_devinfo(dd->pcidev,
+ "IB%u: Forced to single port mode by module parameter\n",
+ dd->unit);
features &= PORT_SPD_CAP;
}
@@ -3323,7 +3709,8 @@ static int qib_do_7322_reset(struct qib_devdata *dd)
dd->pport->cpspec->ibsymdelta = 0;
dd->pport->cpspec->iblnkerrdelta = 0;
dd->pport->cpspec->ibmalfdelta = 0;
- dd->int_counter = 0; /* so we check interrupts work again */
+ /* so we check interrupts work again */
+ dd->z_int_counter = qib_int_counter(dd);
/*
* Keep chip from being accessed until we are ready. Use
@@ -3353,8 +3740,8 @@ static int qib_do_7322_reset(struct qib_devdata *dd)
if (val == dd->revision)
break;
if (i == 5) {
- qib_dev_err(dd, "Failed to initialize after reset, "
- "unusable\n");
+ qib_dev_err(dd,
+ "Failed to initialize after reset, unusable\n");
ret = 0;
goto bail;
}
@@ -3365,7 +3752,7 @@ static int qib_do_7322_reset(struct qib_devdata *dd)
if (msix_entries) {
/* restore the MSIx vector address and data if saved above */
for (i = 0; i < msix_entries; i++) {
- dd->cspec->msix_entries[i].entry = i;
+ dd->cspec->msix_entries[i].msix.entry = i;
if (!msix_vecsave || !msix_vecsave[2 * i])
continue;
qib_write_kreg(dd, 2 * i +
@@ -3385,8 +3772,8 @@ static int qib_do_7322_reset(struct qib_devdata *dd)
if (qib_pcie_params(dd, dd->lbus_width,
&dd->cspec->num_msix_entries,
dd->cspec->msix_entries))
- qib_dev_err(dd, "Reset failed to setup PCIe or interrupts; "
- "continuing anyway\n");
+ qib_dev_err(dd,
+ "Reset failed to setup PCIe or interrupts; continuing anyway\n");
qib_setup_7322_interrupt(dd, 1);
@@ -3427,8 +3814,9 @@ static void qib_7322_put_tid(struct qib_devdata *dd, u64 __iomem *tidptr,
return;
}
if (chippa >= (1UL << IBA7322_TID_SZ_SHIFT)) {
- qib_dev_err(dd, "Physical page address 0x%lx "
- "larger than supported\n", pa);
+ qib_dev_err(dd,
+ "Physical page address 0x%lx larger than supported\n",
+ pa);
return;
}
@@ -3982,8 +4370,9 @@ static int qib_7322_set_loopback(struct qib_pportdata *ppd, const char *what)
Loopback);
/* enable heart beat again */
val = IBA7322_IBC_HRTBT_RMASK << IBA7322_IBC_HRTBT_LSB;
- qib_devinfo(ppd->dd->pcidev, "Disabling IB%u:%u IBC loopback "
- "(normal)\n", ppd->dd->unit, ppd->port);
+ qib_devinfo(ppd->dd->pcidev,
+ "Disabling IB%u:%u IBC loopback (normal)\n",
+ ppd->dd->unit, ppd->port);
} else
ret = -EINVAL;
if (!ret) {
@@ -4667,8 +5056,8 @@ static void init_7322_cntrnames(struct qib_devdata *dd)
dd->pport[i].cpspec->portcntrs = kmalloc(dd->cspec->nportcntrs
* sizeof(u64), GFP_KERNEL);
if (!dd->pport[i].cpspec->portcntrs)
- qib_dev_err(dd, "Failed allocation for"
- " portcounters\n");
+ qib_dev_err(dd,
+ "Failed allocation for portcounters\n");
}
}
@@ -4818,8 +5207,8 @@ static int qib_7322_intr_fallback(struct qib_devdata *dd)
if (!dd->cspec->num_msix_entries)
return 0; /* already using INTx */
- qib_devinfo(dd->pcidev, "MSIx interrupt not detected,"
- " trying INTx interrupts\n");
+ qib_devinfo(dd->pcidev,
+ "MSIx interrupt not detected, trying INTx interrupts\n");
qib_7322_nomsix(dd);
qib_enable_intx(dd->pcidev);
qib_setup_7322_interrupt(dd, 0);
@@ -5104,15 +5493,11 @@ static void try_7322_ipg(struct qib_pportdata *ppd)
goto retry;
if (!ibp->smi_ah) {
- struct ib_ah_attr attr;
struct ib_ah *ah;
- memset(&attr, 0, sizeof attr);
- attr.dlid = be16_to_cpu(IB_LID_PERMISSIVE);
- attr.port_num = ppd->port;
- ah = ib_create_ah(ibp->qp0->ibqp.pd, &attr);
+ ah = qib_create_qp0_ah(ibp, be16_to_cpu(IB_LID_PERMISSIVE));
if (IS_ERR(ah))
- ret = -EINVAL;
+ ret = PTR_ERR(ah);
else {
send_buf->ah = ah;
ibp->smi_ah = to_iah(ah);
@@ -5799,15 +6184,13 @@ static int setup_txselect(const char *str, struct kernel_param *kp)
unsigned long val;
char *n;
if (strlen(str) >= MAX_ATTEN_LEN) {
- printk(KERN_INFO QIB_DRV_NAME " txselect_values string "
- "too long\n");
+ pr_info("txselect_values string too long\n");
return -ENOSPC;
}
val = simple_strtoul(str, &n, 0);
if (n == str || val >= (TXDDS_TABLE_SZ + TXDDS_EXTRA_SZ +
TXDDS_MFG_SZ)) {
- printk(KERN_INFO QIB_DRV_NAME
- "txselect_values must start with a number < %d\n",
+ pr_info("txselect_values must start with a number < %d\n",
TXDDS_TABLE_SZ + TXDDS_EXTRA_SZ + TXDDS_MFG_SZ);
return -EINVAL;
}
@@ -5835,11 +6218,10 @@ static int qib_late_7322_initreg(struct qib_devdata *dd)
qib_write_kreg(dd, kr_sendpioavailaddr, dd->pioavailregs_phys);
val = qib_read_kreg64(dd, kr_sendpioavailaddr);
if (val != dd->pioavailregs_phys) {
- qib_dev_err(dd, "Catastrophic software error, "
- "SendPIOAvailAddr written as %lx, "
- "read back as %llx\n",
- (unsigned long) dd->pioavailregs_phys,
- (unsigned long long) val);
+ qib_dev_err(dd,
+ "Catastrophic software error, SendPIOAvailAddr written as %lx, read back as %llx\n",
+ (unsigned long) dd->pioavailregs_phys,
+ (unsigned long long) val);
ret = -EINVAL;
}
@@ -6051,8 +6433,8 @@ static int qib_init_7322_variables(struct qib_devdata *dd)
dd->revision = readq(&dd->kregbase[kr_revision]);
if ((dd->revision & 0xffffffffU) == 0xffffffffU) {
- qib_dev_err(dd, "Revision register read failure, "
- "giving up initialization\n");
+ qib_dev_err(dd,
+ "Revision register read failure, giving up initialization\n");
ret = -ENODEV;
goto bail;
}
@@ -6162,7 +6544,11 @@ static int qib_init_7322_variables(struct qib_devdata *dd)
}
dd->num_pports++;
- qib_init_pportdata(ppd, dd, pidx, dd->num_pports);
+ ret = qib_init_pportdata(ppd, dd, pidx, dd->num_pports);
+ if (ret) {
+ dd->num_pports--;
+ goto bail;
+ }
ppd->link_width_supported = IB_WIDTH_1X | IB_WIDTH_4X;
ppd->link_width_enabled = IB_WIDTH_4X;
@@ -6218,9 +6604,9 @@ static int qib_init_7322_variables(struct qib_devdata *dd)
*/
if (!(dd->flags & QIB_HAS_QSFP)) {
if (!IS_QMH(dd) && !IS_QME(dd))
- qib_devinfo(dd->pcidev, "IB%u:%u: "
- "Unknown mezzanine card type\n",
- dd->unit, ppd->port);
+ qib_devinfo(dd->pcidev,
+ "IB%u:%u: Unknown mezzanine card type\n",
+ dd->unit, ppd->port);
cp->h1_val = IS_QMH(dd) ? H1_FORCE_QMH : H1_FORCE_QME;
/*
* Choose center value as default tx serdes setting
@@ -6292,8 +6678,10 @@ static int qib_init_7322_variables(struct qib_devdata *dd)
dd->piobcnt4k * dd->align4k;
dd->piovl15base = ioremap_nocache(vl15off,
NUM_VL15_BUFS * dd->align4k);
- if (!dd->piovl15base)
+ if (!dd->piovl15base) {
+ ret = -ENOMEM;
goto bail;
+ }
}
qib_7322_set_baseaddrs(dd); /* set chip access pointers now */
@@ -6332,6 +6720,7 @@ static int qib_init_7322_variables(struct qib_devdata *dd)
dd->cspec->sdmabufcnt;
dd->lastctxt_piobuf = dd->cspec->lastbuf_for_pio - sbufs;
dd->cspec->lastbuf_for_pio--; /* range is <= , not < */
+ dd->last_pio = dd->cspec->lastbuf_for_pio;
dd->pbufsctxt = (dd->cfgctxts > dd->first_user_ctxt) ?
dd->lastctxt_piobuf / (dd->cfgctxts - dd->first_user_ctxt) : 0;
@@ -6395,6 +6784,86 @@ 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,
@@ -6828,6 +7297,9 @@ struct qib_devdata *qib_init_iba7322_funcs(struct pci_dev *pdev,
dd->f_sdma_init_early = qib_7322_sdma_init_early;
dd->f_writescratch = writescratch;
dd->f_tempsense_rd = qib_7322_tempsense_rd;
+#ifdef CONFIG_INFINIBAND_QIB_DCA
+ dd->f_notify_dca = qib_7322_notify_dca;
+#endif
/*
* Do remaining PCIe setup and save PCIe values in dd.
* Any error printing is already done by the init code.
@@ -6864,20 +7336,18 @@ struct qib_devdata *qib_init_iba7322_funcs(struct pci_dev *pdev,
actual_cnt -= dd->num_pports;
tabsize = actual_cnt;
- dd->cspec->msix_entries = kmalloc(tabsize *
- sizeof(struct msix_entry), GFP_KERNEL);
- dd->cspec->msix_arg = kmalloc(tabsize *
- sizeof(void *), GFP_KERNEL);
- if (!dd->cspec->msix_entries || !dd->cspec->msix_arg) {
+ dd->cspec->msix_entries = kzalloc(tabsize *
+ sizeof(struct qib_msix_entry), GFP_KERNEL);
+ if (!dd->cspec->msix_entries) {
qib_dev_err(dd, "No memory for MSIx table\n");
tabsize = 0;
}
for (i = 0; i < tabsize; i++)
- dd->cspec->msix_entries[i].entry = i;
+ dd->cspec->msix_entries[i].msix.entry = i;
if (qib_pcie_params(dd, 8, &tabsize, dd->cspec->msix_entries))
- qib_dev_err(dd, "Failed to setup PCIe or interrupts; "
- "continuing anyway\n");
+ qib_dev_err(dd,
+ "Failed to setup PCIe or interrupts; continuing anyway\n");
/* may be less than we wanted, if not enough available */
dd->cspec->num_msix_entries = tabsize;
@@ -6886,7 +7356,13 @@ struct qib_devdata *qib_init_iba7322_funcs(struct pci_dev *pdev,
/* clear diagctrl register, in case diags were running and crashed */
qib_write_kreg(dd, kr_hwdiagctrl, 0);
-
+#ifdef CONFIG_INFINIBAND_QIB_DCA
+ if (!dca_add_requester(&pdev->dev)) {
+ qib_devinfo(dd->pcidev, "DCA enabled\n");
+ dd->flags |= QIB_DCA_ENABLED;
+ qib_setup_dca(dd);
+ }
+#endif
goto bail;
bail_cleanup:
@@ -7101,15 +7577,20 @@ static const struct txdds_ent txdds_extra_sdr[TXDDS_EXTRA_SZ] = {
{ 0, 0, 0, 1 }, /* QMH7342 backplane settings */
{ 0, 0, 0, 2 }, /* QMH7342 backplane settings */
{ 0, 0, 0, 2 }, /* QMH7342 backplane settings */
- { 0, 0, 0, 11 }, /* QME7342 backplane settings */
- { 0, 0, 0, 11 }, /* QME7342 backplane settings */
- { 0, 0, 0, 11 }, /* QME7342 backplane settings */
- { 0, 0, 0, 11 }, /* QME7342 backplane settings */
- { 0, 0, 0, 11 }, /* QME7342 backplane settings */
- { 0, 0, 0, 11 }, /* QME7342 backplane settings */
- { 0, 0, 0, 11 }, /* QME7342 backplane settings */
{ 0, 0, 0, 3 }, /* QMH7342 backplane settings */
{ 0, 0, 0, 4 }, /* QMH7342 backplane settings */
+ { 0, 1, 4, 15 }, /* QME7342 backplane settings 1.0 */
+ { 0, 1, 3, 15 }, /* QME7342 backplane settings 1.0 */
+ { 0, 1, 0, 12 }, /* QME7342 backplane settings 1.0 */
+ { 0, 1, 0, 11 }, /* QME7342 backplane settings 1.0 */
+ { 0, 1, 0, 9 }, /* QME7342 backplane settings 1.0 */
+ { 0, 1, 0, 14 }, /* QME7342 backplane settings 1.0 */
+ { 0, 1, 2, 15 }, /* QME7342 backplane settings 1.0 */
+ { 0, 1, 0, 11 }, /* QME7342 backplane settings 1.1 */
+ { 0, 1, 0, 7 }, /* QME7342 backplane settings 1.1 */
+ { 0, 1, 0, 9 }, /* QME7342 backplane settings 1.1 */
+ { 0, 1, 0, 6 }, /* QME7342 backplane settings 1.1 */
+ { 0, 1, 0, 8 }, /* QME7342 backplane settings 1.1 */
};
static const struct txdds_ent txdds_extra_ddr[TXDDS_EXTRA_SZ] = {
@@ -7118,15 +7599,20 @@ static const struct txdds_ent txdds_extra_ddr[TXDDS_EXTRA_SZ] = {
{ 0, 0, 0, 7 }, /* QMH7342 backplane settings */
{ 0, 0, 0, 8 }, /* QMH7342 backplane settings */
{ 0, 0, 0, 8 }, /* QMH7342 backplane settings */
- { 0, 0, 0, 13 }, /* QME7342 backplane settings */
- { 0, 0, 0, 13 }, /* QME7342 backplane settings */
- { 0, 0, 0, 13 }, /* QME7342 backplane settings */
- { 0, 0, 0, 13 }, /* QME7342 backplane settings */
- { 0, 0, 0, 13 }, /* QME7342 backplane settings */
- { 0, 0, 0, 13 }, /* QME7342 backplane settings */
- { 0, 0, 0, 13 }, /* QME7342 backplane settings */
{ 0, 0, 0, 9 }, /* QMH7342 backplane settings */
{ 0, 0, 0, 10 }, /* QMH7342 backplane settings */
+ { 0, 1, 4, 15 }, /* QME7342 backplane settings 1.0 */
+ { 0, 1, 3, 15 }, /* QME7342 backplane settings 1.0 */
+ { 0, 1, 0, 12 }, /* QME7342 backplane settings 1.0 */
+ { 0, 1, 0, 11 }, /* QME7342 backplane settings 1.0 */
+ { 0, 1, 0, 9 }, /* QME7342 backplane settings 1.0 */
+ { 0, 1, 0, 14 }, /* QME7342 backplane settings 1.0 */
+ { 0, 1, 2, 15 }, /* QME7342 backplane settings 1.0 */
+ { 0, 1, 0, 11 }, /* QME7342 backplane settings 1.1 */
+ { 0, 1, 0, 7 }, /* QME7342 backplane settings 1.1 */
+ { 0, 1, 0, 9 }, /* QME7342 backplane settings 1.1 */
+ { 0, 1, 0, 6 }, /* QME7342 backplane settings 1.1 */
+ { 0, 1, 0, 8 }, /* QME7342 backplane settings 1.1 */
};
static const struct txdds_ent txdds_extra_qdr[TXDDS_EXTRA_SZ] = {
@@ -7135,15 +7621,20 @@ static const struct txdds_ent txdds_extra_qdr[TXDDS_EXTRA_SZ] = {
{ 0, 1, 0, 5 }, /* QMH7342 backplane settings */
{ 0, 1, 0, 6 }, /* QMH7342 backplane settings */
{ 0, 1, 0, 8 }, /* QMH7342 backplane settings */
- { 0, 1, 12, 10 }, /* QME7342 backplane setting */
- { 0, 1, 12, 11 }, /* QME7342 backplane setting */
- { 0, 1, 12, 12 }, /* QME7342 backplane setting */
- { 0, 1, 12, 14 }, /* QME7342 backplane setting */
- { 0, 1, 12, 6 }, /* QME7342 backplane setting */
- { 0, 1, 12, 7 }, /* QME7342 backplane setting */
- { 0, 1, 12, 8 }, /* QME7342 backplane setting */
{ 0, 1, 0, 10 }, /* QMH7342 backplane settings */
{ 0, 1, 0, 12 }, /* QMH7342 backplane settings */
+ { 0, 1, 4, 15 }, /* QME7342 backplane settings 1.0 */
+ { 0, 1, 3, 15 }, /* QME7342 backplane settings 1.0 */
+ { 0, 1, 0, 12 }, /* QME7342 backplane settings 1.0 */
+ { 0, 1, 0, 11 }, /* QME7342 backplane settings 1.0 */
+ { 0, 1, 0, 9 }, /* QME7342 backplane settings 1.0 */
+ { 0, 1, 0, 14 }, /* QME7342 backplane settings 1.0 */
+ { 0, 1, 2, 15 }, /* QME7342 backplane settings 1.0 */
+ { 0, 1, 0, 11 }, /* QME7342 backplane settings 1.1 */
+ { 0, 1, 0, 7 }, /* QME7342 backplane settings 1.1 */
+ { 0, 1, 0, 9 }, /* QME7342 backplane settings 1.1 */
+ { 0, 1, 0, 6 }, /* QME7342 backplane settings 1.1 */
+ { 0, 1, 0, 8 }, /* QME7342 backplane settings 1.1 */
};
static const struct txdds_ent txdds_extra_mfg[TXDDS_MFG_SZ] = {
@@ -7230,8 +7721,7 @@ static void find_best_ent(struct qib_pportdata *ppd,
ppd->cpspec->no_eep < (TXDDS_TABLE_SZ + TXDDS_EXTRA_SZ +
TXDDS_MFG_SZ)) {
idx = ppd->cpspec->no_eep - (TXDDS_TABLE_SZ + TXDDS_EXTRA_SZ);
- printk(KERN_INFO QIB_DRV_NAME
- " IB%u:%u use idx %u into txdds_mfg\n",
+ pr_info("IB%u:%u use idx %u into txdds_mfg\n",
ppd->dd->unit, ppd->port, idx);
*sdr_dds = &txdds_extra_mfg[idx];
*ddr_dds = &txdds_extra_mfg[idx];
@@ -7386,11 +7876,11 @@ static void serdes_7322_los_enable(struct qib_pportdata *ppd, int enable)
u8 state = SYM_FIELD(data, IBSerdesCtrl_0, RXLOSEN);
if (enable && !state) {
- printk(KERN_INFO QIB_DRV_NAME " IB%u:%u Turning LOS on\n",
+ pr_info("IB%u:%u Turning LOS on\n",
ppd->dd->unit, ppd->port);
data |= SYM_MASK(IBSerdesCtrl_0, RXLOSEN);
} else if (!enable && state) {
- printk(KERN_INFO QIB_DRV_NAME " IB%u:%u Turning LOS off\n",
+ pr_info("IB%u:%u Turning LOS off\n",
ppd->dd->unit, ppd->port);
data &= ~SYM_MASK(IBSerdesCtrl_0, RXLOSEN);
}
@@ -7626,8 +8116,7 @@ static int serdes_7322_init_new(struct qib_pportdata *ppd)
}
}
if (chan_done) {
- printk(KERN_INFO QIB_DRV_NAME
- " Serdes %d calibration not done after .5 sec: 0x%x\n",
+ pr_info("Serdes %d calibration not done after .5 sec: 0x%x\n",
IBSD(ppd->hw_pidx), chan_done);
} else {
for (chan = 0; chan < SERDES_CHANS; ++chan) {
@@ -7635,9 +8124,8 @@ static int serdes_7322_init_new(struct qib_pportdata *ppd)
(chan + (chan >> 1)),
25, 0, 0);
if ((~rxcaldone & (u32)BMASK(10, 10)) == 0)
- printk(KERN_INFO QIB_DRV_NAME
- " Serdes %d chan %d calibration "
- "failed\n", IBSD(ppd->hw_pidx), chan);
+ pr_info("Serdes %d chan %d calibration failed\n",
+ IBSD(ppd->hw_pidx), chan);
}
}
@@ -7663,7 +8151,7 @@ static int serdes_7322_init_new(struct qib_pportdata *ppd)
ibsd_wr_allchans(ppd, 5, 0, BMASK(0, 0));
msleep(20);
/* Set Frequency Loop Bandwidth */
- ibsd_wr_allchans(ppd, 2, (7 << 5), BMASK(8, 5));
+ ibsd_wr_allchans(ppd, 2, (15 << 5), BMASK(8, 5));
/* Enable Frequency Loop */
ibsd_wr_allchans(ppd, 2, (1 << 4), BMASK(4, 4));
/* Set Timing Loop Bandwidth */