Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-2.6
[sfrench/cifs-2.6.git] / drivers / infiniband / hw / ipath / ipath_mad.c
index 3d1432d1e3f40dbe7a3da11e7dbde429c21c7e19..b34b91d3723a58f4a2e58f0d6233ed3e264f9338 100644 (file)
@@ -555,10 +555,7 @@ static int recv_subn_set_portinfo(struct ib_smp *smp,
                /* FALLTHROUGH */
        case IB_PORT_DOWN:
                if (lstate == 0)
-                       if (get_linkdowndefaultstate(dd))
-                               lstate = IPATH_IB_LINKDOWN_SLEEP;
-                       else
-                               lstate = IPATH_IB_LINKDOWN;
+                       lstate = IPATH_IB_LINKDOWN_ONLY;
                else if (lstate == 1)
                        lstate = IPATH_IB_LINKDOWN_SLEEP;
                else if (lstate == 2)
@@ -568,6 +565,8 @@ static int recv_subn_set_portinfo(struct ib_smp *smp,
                else
                        goto err;
                ipath_set_linkstate(dd, lstate);
+               ipath_wait_linkstate(dd, IPATH_LINKINIT | IPATH_LINKARMED |
+                               IPATH_LINKACTIVE, 1000);
                break;
        case IB_PORT_ARMED:
                ipath_set_linkstate(dd, IPATH_IB_LINKARM);
@@ -934,6 +933,7 @@ static int recv_pma_get_portsamplescontrol(struct ib_perf *pmp,
        struct ib_pma_portsamplescontrol *p =
                (struct ib_pma_portsamplescontrol *)pmp->data;
        struct ipath_ibdev *dev = to_idev(ibdev);
+       struct ipath_cregs const *crp = dev->dd->ipath_cregs;
        unsigned long flags;
        u8 port_select = p->port_select;
 
@@ -955,7 +955,10 @@ static int recv_pma_get_portsamplescontrol(struct ib_perf *pmp,
        p->counter_width = 4;   /* 32 bit counters */
        p->counter_mask0_9 = COUNTER_MASK0_9;
        spin_lock_irqsave(&dev->pending_lock, flags);
-       p->sample_status = dev->pma_sample_status;
+       if (crp->cr_psstat)
+               p->sample_status = ipath_read_creg32(dev->dd, crp->cr_psstat);
+       else
+               p->sample_status = dev->pma_sample_status;
        p->sample_start = cpu_to_be32(dev->pma_sample_start);
        p->sample_interval = cpu_to_be32(dev->pma_sample_interval);
        p->tag = cpu_to_be16(dev->pma_tag);
@@ -975,8 +978,9 @@ static int recv_pma_set_portsamplescontrol(struct ib_perf *pmp,
        struct ib_pma_portsamplescontrol *p =
                (struct ib_pma_portsamplescontrol *)pmp->data;
        struct ipath_ibdev *dev = to_idev(ibdev);
+       struct ipath_cregs const *crp = dev->dd->ipath_cregs;
        unsigned long flags;
-       u32 start;
+       u8 status;
        int ret;
 
        if (pmp->attr_mod != 0 ||
@@ -986,59 +990,67 @@ static int recv_pma_set_portsamplescontrol(struct ib_perf *pmp,
                goto bail;
        }
 
-       start = be32_to_cpu(p->sample_start);
-       if (start != 0) {
-               spin_lock_irqsave(&dev->pending_lock, flags);
-               if (dev->pma_sample_status == IB_PMA_SAMPLE_STATUS_DONE) {
-                       dev->pma_sample_status =
-                               IB_PMA_SAMPLE_STATUS_STARTED;
-                       dev->pma_sample_start = start;
-                       dev->pma_sample_interval =
-                               be32_to_cpu(p->sample_interval);
-                       dev->pma_tag = be16_to_cpu(p->tag);
-                       if (p->counter_select[0])
-                               dev->pma_counter_select[0] =
-                                       p->counter_select[0];
-                       if (p->counter_select[1])
-                               dev->pma_counter_select[1] =
-                                       p->counter_select[1];
-                       if (p->counter_select[2])
-                               dev->pma_counter_select[2] =
-                                       p->counter_select[2];
-                       if (p->counter_select[3])
-                               dev->pma_counter_select[3] =
-                                       p->counter_select[3];
-                       if (p->counter_select[4])
-                               dev->pma_counter_select[4] =
-                                       p->counter_select[4];
-               }
-               spin_unlock_irqrestore(&dev->pending_lock, flags);
+       spin_lock_irqsave(&dev->pending_lock, flags);
+       if (crp->cr_psstat)
+               status = ipath_read_creg32(dev->dd, crp->cr_psstat);
+       else
+               status = dev->pma_sample_status;
+       if (status == IB_PMA_SAMPLE_STATUS_DONE) {
+               dev->pma_sample_start = be32_to_cpu(p->sample_start);
+               dev->pma_sample_interval = be32_to_cpu(p->sample_interval);
+               dev->pma_tag = be16_to_cpu(p->tag);
+               dev->pma_counter_select[0] = p->counter_select[0];
+               dev->pma_counter_select[1] = p->counter_select[1];
+               dev->pma_counter_select[2] = p->counter_select[2];
+               dev->pma_counter_select[3] = p->counter_select[3];
+               dev->pma_counter_select[4] = p->counter_select[4];
+               if (crp->cr_psstat) {
+                       ipath_write_creg(dev->dd, crp->cr_psinterval,
+                                        dev->pma_sample_interval);
+                       ipath_write_creg(dev->dd, crp->cr_psstart,
+                                        dev->pma_sample_start);
+               } else
+                       dev->pma_sample_status = IB_PMA_SAMPLE_STATUS_STARTED;
        }
+       spin_unlock_irqrestore(&dev->pending_lock, flags);
+
        ret = recv_pma_get_portsamplescontrol(pmp, ibdev, port);
 
 bail:
        return ret;
 }
 
-static u64 get_counter(struct ipath_ibdev *dev, __be16 sel)
+static u64 get_counter(struct ipath_ibdev *dev,
+                      struct ipath_cregs const *crp,
+                      __be16 sel)
 {
        u64 ret;
 
        switch (sel) {
        case IB_PMA_PORT_XMIT_DATA:
-               ret = dev->ipath_sword;
+               ret = (crp->cr_psxmitdatacount) ?
+                       ipath_read_creg32(dev->dd, crp->cr_psxmitdatacount) :
+                       dev->ipath_sword;
                break;
        case IB_PMA_PORT_RCV_DATA:
-               ret = dev->ipath_rword;
+               ret = (crp->cr_psrcvdatacount) ?
+                       ipath_read_creg32(dev->dd, crp->cr_psrcvdatacount) :
+                       dev->ipath_rword;
                break;
        case IB_PMA_PORT_XMIT_PKTS:
-               ret = dev->ipath_spkts;
+               ret = (crp->cr_psxmitpktscount) ?
+                       ipath_read_creg32(dev->dd, crp->cr_psxmitpktscount) :
+                       dev->ipath_spkts;
                break;
        case IB_PMA_PORT_RCV_PKTS:
-               ret = dev->ipath_rpkts;
+               ret = (crp->cr_psrcvpktscount) ?
+                       ipath_read_creg32(dev->dd, crp->cr_psrcvpktscount) :
+                       dev->ipath_rpkts;
                break;
        case IB_PMA_PORT_XMIT_WAIT:
-               ret = dev->ipath_xmit_wait;
+               ret = (crp->cr_psxmitwaitcount) ?
+                       ipath_read_creg32(dev->dd, crp->cr_psxmitwaitcount) :
+                       dev->ipath_xmit_wait;
                break;
        default:
                ret = 0;
@@ -1053,14 +1065,21 @@ static int recv_pma_get_portsamplesresult(struct ib_perf *pmp,
        struct ib_pma_portsamplesresult *p =
                (struct ib_pma_portsamplesresult *)pmp->data;
        struct ipath_ibdev *dev = to_idev(ibdev);
+       struct ipath_cregs const *crp = dev->dd->ipath_cregs;
+       u8 status;
        int i;
 
        memset(pmp->data, 0, sizeof(pmp->data));
        p->tag = cpu_to_be16(dev->pma_tag);
-       p->sample_status = cpu_to_be16(dev->pma_sample_status);
+       if (crp->cr_psstat)
+               status = ipath_read_creg32(dev->dd, crp->cr_psstat);
+       else
+               status = dev->pma_sample_status;
+       p->sample_status = cpu_to_be16(status);
        for (i = 0; i < ARRAY_SIZE(dev->pma_counter_select); i++)
-               p->counter[i] = cpu_to_be32(
-                       get_counter(dev, dev->pma_counter_select[i]));
+               p->counter[i] = (status != IB_PMA_SAMPLE_STATUS_DONE) ? 0 :
+                   cpu_to_be32(
+                       get_counter(dev, crp, dev->pma_counter_select[i]));
 
        return reply((struct ib_smp *) pmp);
 }
@@ -1071,16 +1090,23 @@ static int recv_pma_get_portsamplesresult_ext(struct ib_perf *pmp,
        struct ib_pma_portsamplesresult_ext *p =
                (struct ib_pma_portsamplesresult_ext *)pmp->data;
        struct ipath_ibdev *dev = to_idev(ibdev);
+       struct ipath_cregs const *crp = dev->dd->ipath_cregs;
+       u8 status;
        int i;
 
        memset(pmp->data, 0, sizeof(pmp->data));
        p->tag = cpu_to_be16(dev->pma_tag);
-       p->sample_status = cpu_to_be16(dev->pma_sample_status);
+       if (crp->cr_psstat)
+               status = ipath_read_creg32(dev->dd, crp->cr_psstat);
+       else
+               status = dev->pma_sample_status;
+       p->sample_status = cpu_to_be16(status);
        /* 64 bits */
        p->extended_width = __constant_cpu_to_be32(0x80000000);
        for (i = 0; i < ARRAY_SIZE(dev->pma_counter_select); i++)
-               p->counter[i] = cpu_to_be64(
-                       get_counter(dev, dev->pma_counter_select[i]));
+               p->counter[i] = (status != IB_PMA_SAMPLE_STATUS_DONE) ? 0 :
+                   cpu_to_be64(
+                       get_counter(dev, crp, dev->pma_counter_select[i]));
 
        return reply((struct ib_smp *) pmp);
 }
@@ -1113,6 +1139,8 @@ static int recv_pma_get_portcounters(struct ib_perf *pmp,
                dev->z_local_link_integrity_errors;
        cntrs.excessive_buffer_overrun_errors -=
                dev->z_excessive_buffer_overrun_errors;
+       cntrs.vl15_dropped -= dev->z_vl15_dropped;
+       cntrs.vl15_dropped += dev->n_vl15_dropped;
 
        memset(pmp->data, 0, sizeof(pmp->data));
 
@@ -1156,10 +1184,10 @@ static int recv_pma_get_portcounters(struct ib_perf *pmp,
                cntrs.excessive_buffer_overrun_errors = 0xFUL;
        p->lli_ebor_errors = (cntrs.local_link_integrity_errors << 4) |
                cntrs.excessive_buffer_overrun_errors;
-       if (dev->n_vl15_dropped > 0xFFFFUL)
+       if (cntrs.vl15_dropped > 0xFFFFUL)
                p->vl15_dropped = __constant_cpu_to_be16(0xFFFF);
        else
-               p->vl15_dropped = cpu_to_be16((u16)dev->n_vl15_dropped);
+               p->vl15_dropped = cpu_to_be16((u16)cntrs.vl15_dropped);
        if (cntrs.port_xmit_data > 0xFFFFFFFFUL)
                p->port_xmit_data = __constant_cpu_to_be32(0xFFFFFFFF);
        else
@@ -1262,8 +1290,10 @@ static int recv_pma_set_portcounters(struct ib_perf *pmp,
                dev->z_excessive_buffer_overrun_errors =
                        cntrs.excessive_buffer_overrun_errors;
 
-       if (p->counter_select & IB_PMA_SEL_PORT_VL15_DROPPED)
+       if (p->counter_select & IB_PMA_SEL_PORT_VL15_DROPPED) {
                dev->n_vl15_dropped = 0;
+               dev->z_vl15_dropped = cntrs.vl15_dropped;
+       }
 
        if (p->counter_select & IB_PMA_SEL_PORT_XMIT_DATA)
                dev->z_port_xmit_data = cntrs.port_xmit_data;
@@ -1434,7 +1464,7 @@ static int process_subn(struct ib_device *ibdev, int mad_flags,
                 * before checking for other consumers.
                 * Just tell the caller to process it normally.
                 */
-               ret = IB_MAD_RESULT_FAILURE;
+               ret = IB_MAD_RESULT_SUCCESS;
                goto bail;
        default:
                smp->status |= IB_SMP_UNSUP_METHOD;
@@ -1516,7 +1546,7 @@ static int process_perf(struct ib_device *ibdev, u8 port_num,
                 * before checking for other consumers.
                 * Just tell the caller to process it normally.
                 */
-               ret = IB_MAD_RESULT_FAILURE;
+               ret = IB_MAD_RESULT_SUCCESS;
                goto bail;
        default:
                pmp->status |= IB_SMP_UNSUP_METHOD;