1584 lines
43 KiB
C
1584 lines
43 KiB
C
/*
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* Copyright (c) 2006, 2007 QLogic Corporation. All rights reserved.
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* Copyright (c) 2005, 2006 PathScale, Inc. All rights reserved.
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*
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* This software is available to you under a choice of one of two
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* licenses. You may choose to be licensed under the terms of the GNU
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* General Public License (GPL) Version 2, available from the file
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* COPYING in the main directory of this source tree, or the
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* OpenIB.org BSD license below:
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*
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* Redistribution and use in source and binary forms, with or
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* without modification, are permitted provided that the following
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* conditions are met:
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*
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* - Redistributions of source code must retain the above
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* copyright notice, this list of conditions and the following
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* disclaimer.
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*
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* - Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following
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* disclaimer in the documentation and/or other materials
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* provided with the distribution.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
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* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
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* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*/
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#include <rdma/ib_smi.h>
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#include "ipath_kernel.h"
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#include "ipath_verbs.h"
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#include "ipath_common.h"
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#define IB_SMP_UNSUP_VERSION __constant_htons(0x0004)
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#define IB_SMP_UNSUP_METHOD __constant_htons(0x0008)
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#define IB_SMP_UNSUP_METH_ATTR __constant_htons(0x000C)
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#define IB_SMP_INVALID_FIELD __constant_htons(0x001C)
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static int reply(struct ib_smp *smp)
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{
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/*
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* The verbs framework will handle the directed/LID route
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* packet changes.
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*/
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smp->method = IB_MGMT_METHOD_GET_RESP;
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if (smp->mgmt_class == IB_MGMT_CLASS_SUBN_DIRECTED_ROUTE)
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smp->status |= IB_SMP_DIRECTION;
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return IB_MAD_RESULT_SUCCESS | IB_MAD_RESULT_REPLY;
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}
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static int recv_subn_get_nodedescription(struct ib_smp *smp,
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struct ib_device *ibdev)
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{
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if (smp->attr_mod)
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smp->status |= IB_SMP_INVALID_FIELD;
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strncpy(smp->data, ibdev->node_desc, sizeof(smp->data));
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return reply(smp);
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}
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struct nodeinfo {
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u8 base_version;
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u8 class_version;
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u8 node_type;
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u8 num_ports;
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__be64 sys_guid;
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__be64 node_guid;
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__be64 port_guid;
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__be16 partition_cap;
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__be16 device_id;
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__be32 revision;
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u8 local_port_num;
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u8 vendor_id[3];
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} __attribute__ ((packed));
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static int recv_subn_get_nodeinfo(struct ib_smp *smp,
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struct ib_device *ibdev, u8 port)
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{
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struct nodeinfo *nip = (struct nodeinfo *)&smp->data;
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struct ipath_devdata *dd = to_idev(ibdev)->dd;
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u32 vendor, majrev, minrev;
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/* GUID 0 is illegal */
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if (smp->attr_mod || (dd->ipath_guid == 0))
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smp->status |= IB_SMP_INVALID_FIELD;
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nip->base_version = 1;
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nip->class_version = 1;
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nip->node_type = 1; /* channel adapter */
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/*
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* XXX The num_ports value will need a layer function to get
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* the value if we ever have more than one IB port on a chip.
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* We will also need to get the GUID for the port.
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*/
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nip->num_ports = ibdev->phys_port_cnt;
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/* This is already in network order */
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nip->sys_guid = to_idev(ibdev)->sys_image_guid;
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nip->node_guid = dd->ipath_guid;
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nip->port_guid = dd->ipath_guid;
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nip->partition_cap = cpu_to_be16(ipath_get_npkeys(dd));
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nip->device_id = cpu_to_be16(dd->ipath_deviceid);
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majrev = dd->ipath_majrev;
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minrev = dd->ipath_minrev;
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nip->revision = cpu_to_be32((majrev << 16) | minrev);
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nip->local_port_num = port;
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vendor = dd->ipath_vendorid;
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nip->vendor_id[0] = 0;
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nip->vendor_id[1] = vendor >> 8;
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nip->vendor_id[2] = vendor;
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return reply(smp);
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}
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static int recv_subn_get_guidinfo(struct ib_smp *smp,
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struct ib_device *ibdev)
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{
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u32 startgx = 8 * be32_to_cpu(smp->attr_mod);
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__be64 *p = (__be64 *) smp->data;
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/* 32 blocks of 8 64-bit GUIDs per block */
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memset(smp->data, 0, sizeof(smp->data));
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/*
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* We only support one GUID for now. If this changes, the
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* portinfo.guid_cap field needs to be updated too.
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*/
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if (startgx == 0) {
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__be64 g = to_idev(ibdev)->dd->ipath_guid;
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if (g == 0)
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/* GUID 0 is illegal */
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smp->status |= IB_SMP_INVALID_FIELD;
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else
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/* The first is a copy of the read-only HW GUID. */
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*p = g;
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} else
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smp->status |= IB_SMP_INVALID_FIELD;
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return reply(smp);
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}
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static int get_overrunthreshold(struct ipath_devdata *dd)
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{
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return (dd->ipath_ibcctrl >>
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INFINIPATH_IBCC_OVERRUNTHRESHOLD_SHIFT) &
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INFINIPATH_IBCC_OVERRUNTHRESHOLD_MASK;
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}
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/**
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* set_overrunthreshold - set the overrun threshold
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* @dd: the infinipath device
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* @n: the new threshold
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*
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* Note that this will only take effect when the link state changes.
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*/
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static int set_overrunthreshold(struct ipath_devdata *dd, unsigned n)
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{
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unsigned v;
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v = (dd->ipath_ibcctrl >> INFINIPATH_IBCC_OVERRUNTHRESHOLD_SHIFT) &
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INFINIPATH_IBCC_OVERRUNTHRESHOLD_MASK;
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if (v != n) {
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dd->ipath_ibcctrl &=
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~(INFINIPATH_IBCC_OVERRUNTHRESHOLD_MASK <<
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INFINIPATH_IBCC_OVERRUNTHRESHOLD_SHIFT);
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dd->ipath_ibcctrl |=
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(u64) n << INFINIPATH_IBCC_OVERRUNTHRESHOLD_SHIFT;
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ipath_write_kreg(dd, dd->ipath_kregs->kr_ibcctrl,
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dd->ipath_ibcctrl);
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}
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return 0;
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}
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static int get_phyerrthreshold(struct ipath_devdata *dd)
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{
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return (dd->ipath_ibcctrl >>
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INFINIPATH_IBCC_PHYERRTHRESHOLD_SHIFT) &
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INFINIPATH_IBCC_PHYERRTHRESHOLD_MASK;
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}
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/**
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* set_phyerrthreshold - set the physical error threshold
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* @dd: the infinipath device
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* @n: the new threshold
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*
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* Note that this will only take effect when the link state changes.
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*/
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static int set_phyerrthreshold(struct ipath_devdata *dd, unsigned n)
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{
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unsigned v;
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v = (dd->ipath_ibcctrl >> INFINIPATH_IBCC_PHYERRTHRESHOLD_SHIFT) &
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INFINIPATH_IBCC_PHYERRTHRESHOLD_MASK;
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if (v != n) {
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dd->ipath_ibcctrl &=
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~(INFINIPATH_IBCC_PHYERRTHRESHOLD_MASK <<
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INFINIPATH_IBCC_PHYERRTHRESHOLD_SHIFT);
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dd->ipath_ibcctrl |=
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(u64) n << INFINIPATH_IBCC_PHYERRTHRESHOLD_SHIFT;
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ipath_write_kreg(dd, dd->ipath_kregs->kr_ibcctrl,
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dd->ipath_ibcctrl);
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}
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return 0;
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}
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/**
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* get_linkdowndefaultstate - get the default linkdown state
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* @dd: the infinipath device
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*
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* Returns zero if the default is POLL, 1 if the default is SLEEP.
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*/
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static int get_linkdowndefaultstate(struct ipath_devdata *dd)
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{
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return !!(dd->ipath_ibcctrl & INFINIPATH_IBCC_LINKDOWNDEFAULTSTATE);
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}
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static int recv_subn_get_portinfo(struct ib_smp *smp,
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struct ib_device *ibdev, u8 port)
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{
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struct ipath_ibdev *dev;
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struct ib_port_info *pip = (struct ib_port_info *)smp->data;
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u16 lid;
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u8 ibcstat;
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u8 mtu;
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int ret;
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if (be32_to_cpu(smp->attr_mod) > ibdev->phys_port_cnt) {
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smp->status |= IB_SMP_INVALID_FIELD;
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ret = reply(smp);
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goto bail;
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}
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dev = to_idev(ibdev);
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/* Clear all fields. Only set the non-zero fields. */
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memset(smp->data, 0, sizeof(smp->data));
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/* Only return the mkey if the protection field allows it. */
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if (smp->method == IB_MGMT_METHOD_SET || dev->mkey == smp->mkey ||
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(dev->mkeyprot_resv_lmc >> 6) == 0)
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pip->mkey = dev->mkey;
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pip->gid_prefix = dev->gid_prefix;
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lid = dev->dd->ipath_lid;
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pip->lid = lid ? cpu_to_be16(lid) : IB_LID_PERMISSIVE;
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pip->sm_lid = cpu_to_be16(dev->sm_lid);
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pip->cap_mask = cpu_to_be32(dev->port_cap_flags);
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/* pip->diag_code; */
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pip->mkey_lease_period = cpu_to_be16(dev->mkey_lease_period);
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pip->local_port_num = port;
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pip->link_width_enabled = dev->link_width_enabled;
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pip->link_width_supported = 3; /* 1x or 4x */
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pip->link_width_active = 2; /* 4x */
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pip->linkspeed_portstate = 0x10; /* 2.5Gbps */
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ibcstat = dev->dd->ipath_lastibcstat;
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pip->linkspeed_portstate |= ((ibcstat >> 4) & 0x3) + 1;
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pip->portphysstate_linkdown =
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(ipath_cvt_physportstate[ibcstat & 0xf] << 4) |
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(get_linkdowndefaultstate(dev->dd) ? 1 : 2);
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pip->mkeyprot_resv_lmc = dev->mkeyprot_resv_lmc;
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pip->linkspeedactive_enabled = 0x11; /* 2.5Gbps, 2.5Gbps */
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switch (dev->dd->ipath_ibmtu) {
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case 4096:
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mtu = IB_MTU_4096;
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break;
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case 2048:
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mtu = IB_MTU_2048;
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break;
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case 1024:
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mtu = IB_MTU_1024;
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break;
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case 512:
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mtu = IB_MTU_512;
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break;
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case 256:
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mtu = IB_MTU_256;
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break;
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default: /* oops, something is wrong */
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mtu = IB_MTU_2048;
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break;
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}
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pip->neighbormtu_mastersmsl = (mtu << 4) | dev->sm_sl;
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pip->vlcap_inittype = 0x10; /* VLCap = VL0, InitType = 0 */
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pip->vl_high_limit = dev->vl_high_limit;
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/* pip->vl_arb_high_cap; // only one VL */
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/* pip->vl_arb_low_cap; // only one VL */
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/* InitTypeReply = 0 */
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/*
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* Note: the chips support a maximum MTU of 4096, but the driver
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* hasn't implemented this feature yet, so set the maximum value
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* to 2048.
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*/
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pip->inittypereply_mtucap = IB_MTU_2048;
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// HCAs ignore VLStallCount and HOQLife
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/* pip->vlstallcnt_hoqlife; */
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pip->operationalvl_pei_peo_fpi_fpo = 0x10; /* OVLs = 1 */
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pip->mkey_violations = cpu_to_be16(dev->mkey_violations);
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/* P_KeyViolations are counted by hardware. */
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pip->pkey_violations =
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cpu_to_be16((ipath_get_cr_errpkey(dev->dd) -
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dev->z_pkey_violations) & 0xFFFF);
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pip->qkey_violations = cpu_to_be16(dev->qkey_violations);
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/* Only the hardware GUID is supported for now */
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pip->guid_cap = 1;
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pip->clientrereg_resv_subnetto = dev->subnet_timeout;
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/* 32.768 usec. response time (guessing) */
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pip->resv_resptimevalue = 3;
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pip->localphyerrors_overrunerrors =
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(get_phyerrthreshold(dev->dd) << 4) |
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get_overrunthreshold(dev->dd);
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/* pip->max_credit_hint; */
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/* pip->link_roundtrip_latency[3]; */
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ret = reply(smp);
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bail:
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return ret;
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}
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/**
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* get_pkeys - return the PKEY table for port 0
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* @dd: the infinipath device
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* @pkeys: the pkey table is placed here
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*/
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static int get_pkeys(struct ipath_devdata *dd, u16 * pkeys)
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{
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struct ipath_portdata *pd = dd->ipath_pd[0];
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memcpy(pkeys, pd->port_pkeys, sizeof(pd->port_pkeys));
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return 0;
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}
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static int recv_subn_get_pkeytable(struct ib_smp *smp,
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struct ib_device *ibdev)
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{
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u32 startpx = 32 * (be32_to_cpu(smp->attr_mod) & 0xffff);
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u16 *p = (u16 *) smp->data;
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__be16 *q = (__be16 *) smp->data;
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/* 64 blocks of 32 16-bit P_Key entries */
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memset(smp->data, 0, sizeof(smp->data));
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if (startpx == 0) {
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struct ipath_ibdev *dev = to_idev(ibdev);
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unsigned i, n = ipath_get_npkeys(dev->dd);
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get_pkeys(dev->dd, p);
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for (i = 0; i < n; i++)
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q[i] = cpu_to_be16(p[i]);
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} else
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smp->status |= IB_SMP_INVALID_FIELD;
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return reply(smp);
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}
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static int recv_subn_set_guidinfo(struct ib_smp *smp,
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struct ib_device *ibdev)
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{
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/* The only GUID we support is the first read-only entry. */
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return recv_subn_get_guidinfo(smp, ibdev);
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}
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|
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/**
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* set_linkdowndefaultstate - set the default linkdown state
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* @dd: the infinipath device
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* @sleep: the new state
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*
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* Note that this will only take effect when the link state changes.
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*/
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static int set_linkdowndefaultstate(struct ipath_devdata *dd, int sleep)
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{
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if (sleep)
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dd->ipath_ibcctrl |= INFINIPATH_IBCC_LINKDOWNDEFAULTSTATE;
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else
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dd->ipath_ibcctrl &= ~INFINIPATH_IBCC_LINKDOWNDEFAULTSTATE;
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ipath_write_kreg(dd, dd->ipath_kregs->kr_ibcctrl,
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dd->ipath_ibcctrl);
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return 0;
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}
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|
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/**
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* recv_subn_set_portinfo - set port information
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* @smp: the incoming SM packet
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* @ibdev: the infiniband device
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* @port: the port on the device
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*
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* Set Portinfo (see ch. 14.2.5.6).
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*/
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static int recv_subn_set_portinfo(struct ib_smp *smp,
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struct ib_device *ibdev, u8 port)
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{
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struct ib_port_info *pip = (struct ib_port_info *)smp->data;
|
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struct ib_event event;
|
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struct ipath_ibdev *dev;
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u32 flags;
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char clientrereg = 0;
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u16 lid, smlid;
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u8 lwe;
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u8 lse;
|
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u8 state;
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u16 lstate;
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u32 mtu;
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int ret, ore;
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|
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if (be32_to_cpu(smp->attr_mod) > ibdev->phys_port_cnt)
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goto err;
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|
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dev = to_idev(ibdev);
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event.device = ibdev;
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event.element.port_num = port;
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|
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dev->mkey = pip->mkey;
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dev->gid_prefix = pip->gid_prefix;
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dev->mkey_lease_period = be16_to_cpu(pip->mkey_lease_period);
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|
|
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lid = be16_to_cpu(pip->lid);
|
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if (lid != dev->dd->ipath_lid) {
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/* Must be a valid unicast LID address. */
|
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if (lid == 0 || lid >= IPATH_MULTICAST_LID_BASE)
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goto err;
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ipath_set_lid(dev->dd, lid, pip->mkeyprot_resv_lmc & 7);
|
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event.event = IB_EVENT_LID_CHANGE;
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ib_dispatch_event(&event);
|
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}
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|
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smlid = be16_to_cpu(pip->sm_lid);
|
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if (smlid != dev->sm_lid) {
|
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/* Must be a valid unicast LID address. */
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if (smlid == 0 || smlid >= IPATH_MULTICAST_LID_BASE)
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goto err;
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dev->sm_lid = smlid;
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event.event = IB_EVENT_SM_CHANGE;
|
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ib_dispatch_event(&event);
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}
|
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|
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/* Only 4x supported but allow 1x or 4x to be set (see 14.2.6.6). */
|
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lwe = pip->link_width_enabled;
|
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if ((lwe >= 4 && lwe <= 8) || (lwe >= 0xC && lwe <= 0xFE))
|
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goto err;
|
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if (lwe == 0xFF)
|
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dev->link_width_enabled = 3; /* 1x or 4x */
|
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else if (lwe)
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dev->link_width_enabled = lwe;
|
|
|
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/* Only 2.5 Gbs supported. */
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lse = pip->linkspeedactive_enabled & 0xF;
|
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if (lse >= 2 && lse <= 0xE)
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goto err;
|
|
|
|
/* Set link down default state. */
|
|
switch (pip->portphysstate_linkdown & 0xF) {
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case 0: /* NOP */
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break;
|
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case 1: /* SLEEP */
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if (set_linkdowndefaultstate(dev->dd, 1))
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goto err;
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break;
|
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case 2: /* POLL */
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if (set_linkdowndefaultstate(dev->dd, 0))
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|
goto err;
|
|
break;
|
|
default:
|
|
goto err;
|
|
}
|
|
|
|
dev->mkeyprot_resv_lmc = pip->mkeyprot_resv_lmc;
|
|
dev->vl_high_limit = pip->vl_high_limit;
|
|
|
|
switch ((pip->neighbormtu_mastersmsl >> 4) & 0xF) {
|
|
case IB_MTU_256:
|
|
mtu = 256;
|
|
break;
|
|
case IB_MTU_512:
|
|
mtu = 512;
|
|
break;
|
|
case IB_MTU_1024:
|
|
mtu = 1024;
|
|
break;
|
|
case IB_MTU_2048:
|
|
mtu = 2048;
|
|
break;
|
|
case IB_MTU_4096:
|
|
mtu = 4096;
|
|
break;
|
|
default:
|
|
/* XXX We have already partially updated our state! */
|
|
goto err;
|
|
}
|
|
ipath_set_mtu(dev->dd, mtu);
|
|
|
|
dev->sm_sl = pip->neighbormtu_mastersmsl & 0xF;
|
|
|
|
/* We only support VL0 */
|
|
if (((pip->operationalvl_pei_peo_fpi_fpo >> 4) & 0xF) > 1)
|
|
goto err;
|
|
|
|
if (pip->mkey_violations == 0)
|
|
dev->mkey_violations = 0;
|
|
|
|
/*
|
|
* Hardware counter can't be reset so snapshot and subtract
|
|
* later.
|
|
*/
|
|
if (pip->pkey_violations == 0)
|
|
dev->z_pkey_violations = ipath_get_cr_errpkey(dev->dd);
|
|
|
|
if (pip->qkey_violations == 0)
|
|
dev->qkey_violations = 0;
|
|
|
|
ore = pip->localphyerrors_overrunerrors;
|
|
if (set_phyerrthreshold(dev->dd, (ore >> 4) & 0xF))
|
|
goto err;
|
|
|
|
if (set_overrunthreshold(dev->dd, (ore & 0xF)))
|
|
goto err;
|
|
|
|
dev->subnet_timeout = pip->clientrereg_resv_subnetto & 0x1F;
|
|
|
|
if (pip->clientrereg_resv_subnetto & 0x80) {
|
|
clientrereg = 1;
|
|
event.event = IB_EVENT_CLIENT_REREGISTER;
|
|
ib_dispatch_event(&event);
|
|
}
|
|
|
|
/*
|
|
* Do the port state change now that the other link parameters
|
|
* have been set.
|
|
* Changing the port physical state only makes sense if the link
|
|
* is down or is being set to down.
|
|
*/
|
|
state = pip->linkspeed_portstate & 0xF;
|
|
flags = dev->dd->ipath_flags;
|
|
lstate = (pip->portphysstate_linkdown >> 4) & 0xF;
|
|
if (lstate && !(state == IB_PORT_DOWN || state == IB_PORT_NOP))
|
|
goto err;
|
|
|
|
/*
|
|
* Only state changes of DOWN, ARM, and ACTIVE are valid
|
|
* and must be in the correct state to take effect (see 7.2.6).
|
|
*/
|
|
switch (state) {
|
|
case IB_PORT_NOP:
|
|
if (lstate == 0)
|
|
break;
|
|
/* FALLTHROUGH */
|
|
case IB_PORT_DOWN:
|
|
if (lstate == 0)
|
|
if (get_linkdowndefaultstate(dev->dd))
|
|
lstate = IPATH_IB_LINKDOWN_SLEEP;
|
|
else
|
|
lstate = IPATH_IB_LINKDOWN;
|
|
else if (lstate == 1)
|
|
lstate = IPATH_IB_LINKDOWN_SLEEP;
|
|
else if (lstate == 2)
|
|
lstate = IPATH_IB_LINKDOWN;
|
|
else if (lstate == 3)
|
|
lstate = IPATH_IB_LINKDOWN_DISABLE;
|
|
else
|
|
goto err;
|
|
ipath_set_linkstate(dev->dd, lstate);
|
|
if (flags & IPATH_LINKACTIVE) {
|
|
event.event = IB_EVENT_PORT_ERR;
|
|
ib_dispatch_event(&event);
|
|
}
|
|
break;
|
|
case IB_PORT_ARMED:
|
|
if (!(flags & (IPATH_LINKINIT | IPATH_LINKACTIVE)))
|
|
break;
|
|
ipath_set_linkstate(dev->dd, IPATH_IB_LINKARM);
|
|
if (flags & IPATH_LINKACTIVE) {
|
|
event.event = IB_EVENT_PORT_ERR;
|
|
ib_dispatch_event(&event);
|
|
}
|
|
break;
|
|
case IB_PORT_ACTIVE:
|
|
if (!(flags & IPATH_LINKARMED))
|
|
break;
|
|
ipath_set_linkstate(dev->dd, IPATH_IB_LINKACTIVE);
|
|
event.event = IB_EVENT_PORT_ACTIVE;
|
|
ib_dispatch_event(&event);
|
|
break;
|
|
default:
|
|
/* XXX We have already partially updated our state! */
|
|
goto err;
|
|
}
|
|
|
|
ret = recv_subn_get_portinfo(smp, ibdev, port);
|
|
|
|
if (clientrereg)
|
|
pip->clientrereg_resv_subnetto |= 0x80;
|
|
|
|
goto done;
|
|
|
|
err:
|
|
smp->status |= IB_SMP_INVALID_FIELD;
|
|
ret = recv_subn_get_portinfo(smp, ibdev, port);
|
|
|
|
done:
|
|
return ret;
|
|
}
|
|
|
|
/**
|
|
* rm_pkey - decrecment the reference count for the given PKEY
|
|
* @dd: the infinipath device
|
|
* @key: the PKEY index
|
|
*
|
|
* Return true if this was the last reference and the hardware table entry
|
|
* needs to be changed.
|
|
*/
|
|
static int rm_pkey(struct ipath_devdata *dd, u16 key)
|
|
{
|
|
int i;
|
|
int ret;
|
|
|
|
for (i = 0; i < ARRAY_SIZE(dd->ipath_pkeys); i++) {
|
|
if (dd->ipath_pkeys[i] != key)
|
|
continue;
|
|
if (atomic_dec_and_test(&dd->ipath_pkeyrefs[i])) {
|
|
dd->ipath_pkeys[i] = 0;
|
|
ret = 1;
|
|
goto bail;
|
|
}
|
|
break;
|
|
}
|
|
|
|
ret = 0;
|
|
|
|
bail:
|
|
return ret;
|
|
}
|
|
|
|
/**
|
|
* add_pkey - add the given PKEY to the hardware table
|
|
* @dd: the infinipath device
|
|
* @key: the PKEY
|
|
*
|
|
* Return an error code if unable to add the entry, zero if no change,
|
|
* or 1 if the hardware PKEY register needs to be updated.
|
|
*/
|
|
static int add_pkey(struct ipath_devdata *dd, u16 key)
|
|
{
|
|
int i;
|
|
u16 lkey = key & 0x7FFF;
|
|
int any = 0;
|
|
int ret;
|
|
|
|
if (lkey == 0x7FFF) {
|
|
ret = 0;
|
|
goto bail;
|
|
}
|
|
|
|
/* Look for an empty slot or a matching PKEY. */
|
|
for (i = 0; i < ARRAY_SIZE(dd->ipath_pkeys); i++) {
|
|
if (!dd->ipath_pkeys[i]) {
|
|
any++;
|
|
continue;
|
|
}
|
|
/* If it matches exactly, try to increment the ref count */
|
|
if (dd->ipath_pkeys[i] == key) {
|
|
if (atomic_inc_return(&dd->ipath_pkeyrefs[i]) > 1) {
|
|
ret = 0;
|
|
goto bail;
|
|
}
|
|
/* Lost the race. Look for an empty slot below. */
|
|
atomic_dec(&dd->ipath_pkeyrefs[i]);
|
|
any++;
|
|
}
|
|
/*
|
|
* It makes no sense to have both the limited and unlimited
|
|
* PKEY set at the same time since the unlimited one will
|
|
* disable the limited one.
|
|
*/
|
|
if ((dd->ipath_pkeys[i] & 0x7FFF) == lkey) {
|
|
ret = -EEXIST;
|
|
goto bail;
|
|
}
|
|
}
|
|
if (!any) {
|
|
ret = -EBUSY;
|
|
goto bail;
|
|
}
|
|
for (i = 0; i < ARRAY_SIZE(dd->ipath_pkeys); i++) {
|
|
if (!dd->ipath_pkeys[i] &&
|
|
atomic_inc_return(&dd->ipath_pkeyrefs[i]) == 1) {
|
|
/* for ipathstats, etc. */
|
|
ipath_stats.sps_pkeys[i] = lkey;
|
|
dd->ipath_pkeys[i] = key;
|
|
ret = 1;
|
|
goto bail;
|
|
}
|
|
}
|
|
ret = -EBUSY;
|
|
|
|
bail:
|
|
return ret;
|
|
}
|
|
|
|
/**
|
|
* set_pkeys - set the PKEY table for port 0
|
|
* @dd: the infinipath device
|
|
* @pkeys: the PKEY table
|
|
*/
|
|
static int set_pkeys(struct ipath_devdata *dd, u16 *pkeys)
|
|
{
|
|
struct ipath_portdata *pd;
|
|
int i;
|
|
int changed = 0;
|
|
|
|
pd = dd->ipath_pd[0];
|
|
|
|
for (i = 0; i < ARRAY_SIZE(pd->port_pkeys); i++) {
|
|
u16 key = pkeys[i];
|
|
u16 okey = pd->port_pkeys[i];
|
|
|
|
if (key == okey)
|
|
continue;
|
|
/*
|
|
* The value of this PKEY table entry is changing.
|
|
* Remove the old entry in the hardware's array of PKEYs.
|
|
*/
|
|
if (okey & 0x7FFF)
|
|
changed |= rm_pkey(dd, okey);
|
|
if (key & 0x7FFF) {
|
|
int ret = add_pkey(dd, key);
|
|
|
|
if (ret < 0)
|
|
key = 0;
|
|
else
|
|
changed |= ret;
|
|
}
|
|
pd->port_pkeys[i] = key;
|
|
}
|
|
if (changed) {
|
|
u64 pkey;
|
|
|
|
pkey = (u64) dd->ipath_pkeys[0] |
|
|
((u64) dd->ipath_pkeys[1] << 16) |
|
|
((u64) dd->ipath_pkeys[2] << 32) |
|
|
((u64) dd->ipath_pkeys[3] << 48);
|
|
ipath_cdbg(VERBOSE, "p0 new pkey reg %llx\n",
|
|
(unsigned long long) pkey);
|
|
ipath_write_kreg(dd, dd->ipath_kregs->kr_partitionkey,
|
|
pkey);
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static int recv_subn_set_pkeytable(struct ib_smp *smp,
|
|
struct ib_device *ibdev)
|
|
{
|
|
u32 startpx = 32 * (be32_to_cpu(smp->attr_mod) & 0xffff);
|
|
__be16 *p = (__be16 *) smp->data;
|
|
u16 *q = (u16 *) smp->data;
|
|
struct ipath_ibdev *dev = to_idev(ibdev);
|
|
unsigned i, n = ipath_get_npkeys(dev->dd);
|
|
|
|
for (i = 0; i < n; i++)
|
|
q[i] = be16_to_cpu(p[i]);
|
|
|
|
if (startpx != 0 || set_pkeys(dev->dd, q) != 0)
|
|
smp->status |= IB_SMP_INVALID_FIELD;
|
|
|
|
return recv_subn_get_pkeytable(smp, ibdev);
|
|
}
|
|
|
|
#define IB_PMA_CLASS_PORT_INFO __constant_htons(0x0001)
|
|
#define IB_PMA_PORT_SAMPLES_CONTROL __constant_htons(0x0010)
|
|
#define IB_PMA_PORT_SAMPLES_RESULT __constant_htons(0x0011)
|
|
#define IB_PMA_PORT_COUNTERS __constant_htons(0x0012)
|
|
#define IB_PMA_PORT_COUNTERS_EXT __constant_htons(0x001D)
|
|
#define IB_PMA_PORT_SAMPLES_RESULT_EXT __constant_htons(0x001E)
|
|
|
|
struct ib_perf {
|
|
u8 base_version;
|
|
u8 mgmt_class;
|
|
u8 class_version;
|
|
u8 method;
|
|
__be16 status;
|
|
__be16 unused;
|
|
__be64 tid;
|
|
__be16 attr_id;
|
|
__be16 resv;
|
|
__be32 attr_mod;
|
|
u8 reserved[40];
|
|
u8 data[192];
|
|
} __attribute__ ((packed));
|
|
|
|
struct ib_pma_classportinfo {
|
|
u8 base_version;
|
|
u8 class_version;
|
|
__be16 cap_mask;
|
|
u8 reserved[3];
|
|
u8 resp_time_value; /* only lower 5 bits */
|
|
union ib_gid redirect_gid;
|
|
__be32 redirect_tc_sl_fl; /* 8, 4, 20 bits respectively */
|
|
__be16 redirect_lid;
|
|
__be16 redirect_pkey;
|
|
__be32 redirect_qp; /* only lower 24 bits */
|
|
__be32 redirect_qkey;
|
|
union ib_gid trap_gid;
|
|
__be32 trap_tc_sl_fl; /* 8, 4, 20 bits respectively */
|
|
__be16 trap_lid;
|
|
__be16 trap_pkey;
|
|
__be32 trap_hl_qp; /* 8, 24 bits respectively */
|
|
__be32 trap_qkey;
|
|
} __attribute__ ((packed));
|
|
|
|
struct ib_pma_portsamplescontrol {
|
|
u8 opcode;
|
|
u8 port_select;
|
|
u8 tick;
|
|
u8 counter_width; /* only lower 3 bits */
|
|
__be32 counter_mask0_9; /* 2, 10 * 3, bits */
|
|
__be16 counter_mask10_14; /* 1, 5 * 3, bits */
|
|
u8 sample_mechanisms;
|
|
u8 sample_status; /* only lower 2 bits */
|
|
__be64 option_mask;
|
|
__be64 vendor_mask;
|
|
__be32 sample_start;
|
|
__be32 sample_interval;
|
|
__be16 tag;
|
|
__be16 counter_select[15];
|
|
} __attribute__ ((packed));
|
|
|
|
struct ib_pma_portsamplesresult {
|
|
__be16 tag;
|
|
__be16 sample_status; /* only lower 2 bits */
|
|
__be32 counter[15];
|
|
} __attribute__ ((packed));
|
|
|
|
struct ib_pma_portsamplesresult_ext {
|
|
__be16 tag;
|
|
__be16 sample_status; /* only lower 2 bits */
|
|
__be32 extended_width; /* only upper 2 bits */
|
|
__be64 counter[15];
|
|
} __attribute__ ((packed));
|
|
|
|
struct ib_pma_portcounters {
|
|
u8 reserved;
|
|
u8 port_select;
|
|
__be16 counter_select;
|
|
__be16 symbol_error_counter;
|
|
u8 link_error_recovery_counter;
|
|
u8 link_downed_counter;
|
|
__be16 port_rcv_errors;
|
|
__be16 port_rcv_remphys_errors;
|
|
__be16 port_rcv_switch_relay_errors;
|
|
__be16 port_xmit_discards;
|
|
u8 port_xmit_constraint_errors;
|
|
u8 port_rcv_constraint_errors;
|
|
u8 reserved1;
|
|
u8 lli_ebor_errors; /* 4, 4, bits */
|
|
__be16 reserved2;
|
|
__be16 vl15_dropped;
|
|
__be32 port_xmit_data;
|
|
__be32 port_rcv_data;
|
|
__be32 port_xmit_packets;
|
|
__be32 port_rcv_packets;
|
|
} __attribute__ ((packed));
|
|
|
|
#define IB_PMA_SEL_SYMBOL_ERROR __constant_htons(0x0001)
|
|
#define IB_PMA_SEL_LINK_ERROR_RECOVERY __constant_htons(0x0002)
|
|
#define IB_PMA_SEL_LINK_DOWNED __constant_htons(0x0004)
|
|
#define IB_PMA_SEL_PORT_RCV_ERRORS __constant_htons(0x0008)
|
|
#define IB_PMA_SEL_PORT_RCV_REMPHYS_ERRORS __constant_htons(0x0010)
|
|
#define IB_PMA_SEL_PORT_XMIT_DISCARDS __constant_htons(0x0040)
|
|
#define IB_PMA_SEL_LOCAL_LINK_INTEGRITY_ERRORS __constant_htons(0x0200)
|
|
#define IB_PMA_SEL_EXCESSIVE_BUFFER_OVERRUNS __constant_htons(0x0400)
|
|
#define IB_PMA_SEL_PORT_VL15_DROPPED __constant_htons(0x0800)
|
|
#define IB_PMA_SEL_PORT_XMIT_DATA __constant_htons(0x1000)
|
|
#define IB_PMA_SEL_PORT_RCV_DATA __constant_htons(0x2000)
|
|
#define IB_PMA_SEL_PORT_XMIT_PACKETS __constant_htons(0x4000)
|
|
#define IB_PMA_SEL_PORT_RCV_PACKETS __constant_htons(0x8000)
|
|
|
|
struct ib_pma_portcounters_ext {
|
|
u8 reserved;
|
|
u8 port_select;
|
|
__be16 counter_select;
|
|
__be32 reserved1;
|
|
__be64 port_xmit_data;
|
|
__be64 port_rcv_data;
|
|
__be64 port_xmit_packets;
|
|
__be64 port_rcv_packets;
|
|
__be64 port_unicast_xmit_packets;
|
|
__be64 port_unicast_rcv_packets;
|
|
__be64 port_multicast_xmit_packets;
|
|
__be64 port_multicast_rcv_packets;
|
|
} __attribute__ ((packed));
|
|
|
|
#define IB_PMA_SELX_PORT_XMIT_DATA __constant_htons(0x0001)
|
|
#define IB_PMA_SELX_PORT_RCV_DATA __constant_htons(0x0002)
|
|
#define IB_PMA_SELX_PORT_XMIT_PACKETS __constant_htons(0x0004)
|
|
#define IB_PMA_SELX_PORT_RCV_PACKETS __constant_htons(0x0008)
|
|
#define IB_PMA_SELX_PORT_UNI_XMIT_PACKETS __constant_htons(0x0010)
|
|
#define IB_PMA_SELX_PORT_UNI_RCV_PACKETS __constant_htons(0x0020)
|
|
#define IB_PMA_SELX_PORT_MULTI_XMIT_PACKETS __constant_htons(0x0040)
|
|
#define IB_PMA_SELX_PORT_MULTI_RCV_PACKETS __constant_htons(0x0080)
|
|
|
|
static int recv_pma_get_classportinfo(struct ib_perf *pmp)
|
|
{
|
|
struct ib_pma_classportinfo *p =
|
|
(struct ib_pma_classportinfo *)pmp->data;
|
|
|
|
memset(pmp->data, 0, sizeof(pmp->data));
|
|
|
|
if (pmp->attr_mod != 0)
|
|
pmp->status |= IB_SMP_INVALID_FIELD;
|
|
|
|
/* Indicate AllPortSelect is valid (only one port anyway) */
|
|
p->cap_mask = __constant_cpu_to_be16(1 << 8);
|
|
p->base_version = 1;
|
|
p->class_version = 1;
|
|
/*
|
|
* Expected response time is 4.096 usec. * 2^18 == 1.073741824
|
|
* sec.
|
|
*/
|
|
p->resp_time_value = 18;
|
|
|
|
return reply((struct ib_smp *) pmp);
|
|
}
|
|
|
|
/*
|
|
* The PortSamplesControl.CounterMasks field is an array of 3 bit fields
|
|
* which specify the N'th counter's capabilities. See ch. 16.1.3.2.
|
|
* We support 5 counters which only count the mandatory quantities.
|
|
*/
|
|
#define COUNTER_MASK(q, n) (q << ((9 - n) * 3))
|
|
#define COUNTER_MASK0_9 \
|
|
__constant_cpu_to_be32(COUNTER_MASK(1, 0) | \
|
|
COUNTER_MASK(1, 1) | \
|
|
COUNTER_MASK(1, 2) | \
|
|
COUNTER_MASK(1, 3) | \
|
|
COUNTER_MASK(1, 4))
|
|
|
|
static int recv_pma_get_portsamplescontrol(struct ib_perf *pmp,
|
|
struct ib_device *ibdev, u8 port)
|
|
{
|
|
struct ib_pma_portsamplescontrol *p =
|
|
(struct ib_pma_portsamplescontrol *)pmp->data;
|
|
struct ipath_ibdev *dev = to_idev(ibdev);
|
|
unsigned long flags;
|
|
u8 port_select = p->port_select;
|
|
|
|
memset(pmp->data, 0, sizeof(pmp->data));
|
|
|
|
p->port_select = port_select;
|
|
if (pmp->attr_mod != 0 ||
|
|
(port_select != port && port_select != 0xFF))
|
|
pmp->status |= IB_SMP_INVALID_FIELD;
|
|
/*
|
|
* Ticks are 10x the link transfer period which for 2.5Gbs is 4
|
|
* nsec. 0 == 4 nsec., 1 == 8 nsec., ..., 255 == 1020 nsec. Sample
|
|
* intervals are counted in ticks. Since we use Linux timers, that
|
|
* count in jiffies, we can't sample for less than 1000 ticks if HZ
|
|
* == 1000 (4000 ticks if HZ is 250).
|
|
*/
|
|
/* XXX This is WRONG. */
|
|
p->tick = 250; /* 1 usec. */
|
|
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;
|
|
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);
|
|
p->counter_select[0] = dev->pma_counter_select[0];
|
|
p->counter_select[1] = dev->pma_counter_select[1];
|
|
p->counter_select[2] = dev->pma_counter_select[2];
|
|
p->counter_select[3] = dev->pma_counter_select[3];
|
|
p->counter_select[4] = dev->pma_counter_select[4];
|
|
spin_unlock_irqrestore(&dev->pending_lock, flags);
|
|
|
|
return reply((struct ib_smp *) pmp);
|
|
}
|
|
|
|
static int recv_pma_set_portsamplescontrol(struct ib_perf *pmp,
|
|
struct ib_device *ibdev, u8 port)
|
|
{
|
|
struct ib_pma_portsamplescontrol *p =
|
|
(struct ib_pma_portsamplescontrol *)pmp->data;
|
|
struct ipath_ibdev *dev = to_idev(ibdev);
|
|
unsigned long flags;
|
|
u32 start;
|
|
int ret;
|
|
|
|
if (pmp->attr_mod != 0 ||
|
|
(p->port_select != port && p->port_select != 0xFF)) {
|
|
pmp->status |= IB_SMP_INVALID_FIELD;
|
|
ret = reply((struct ib_smp *) 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);
|
|
}
|
|
ret = recv_pma_get_portsamplescontrol(pmp, ibdev, port);
|
|
|
|
bail:
|
|
return ret;
|
|
}
|
|
|
|
static u64 get_counter(struct ipath_ibdev *dev, __be16 sel)
|
|
{
|
|
u64 ret;
|
|
|
|
switch (sel) {
|
|
case IB_PMA_PORT_XMIT_DATA:
|
|
ret = dev->ipath_sword;
|
|
break;
|
|
case IB_PMA_PORT_RCV_DATA:
|
|
ret = dev->ipath_rword;
|
|
break;
|
|
case IB_PMA_PORT_XMIT_PKTS:
|
|
ret = dev->ipath_spkts;
|
|
break;
|
|
case IB_PMA_PORT_RCV_PKTS:
|
|
ret = dev->ipath_rpkts;
|
|
break;
|
|
case IB_PMA_PORT_XMIT_WAIT:
|
|
ret = dev->ipath_xmit_wait;
|
|
break;
|
|
default:
|
|
ret = 0;
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
static int recv_pma_get_portsamplesresult(struct ib_perf *pmp,
|
|
struct ib_device *ibdev)
|
|
{
|
|
struct ib_pma_portsamplesresult *p =
|
|
(struct ib_pma_portsamplesresult *)pmp->data;
|
|
struct ipath_ibdev *dev = to_idev(ibdev);
|
|
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);
|
|
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]));
|
|
|
|
return reply((struct ib_smp *) pmp);
|
|
}
|
|
|
|
static int recv_pma_get_portsamplesresult_ext(struct ib_perf *pmp,
|
|
struct ib_device *ibdev)
|
|
{
|
|
struct ib_pma_portsamplesresult_ext *p =
|
|
(struct ib_pma_portsamplesresult_ext *)pmp->data;
|
|
struct ipath_ibdev *dev = to_idev(ibdev);
|
|
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);
|
|
/* 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]));
|
|
|
|
return reply((struct ib_smp *) pmp);
|
|
}
|
|
|
|
static int recv_pma_get_portcounters(struct ib_perf *pmp,
|
|
struct ib_device *ibdev, u8 port)
|
|
{
|
|
struct ib_pma_portcounters *p = (struct ib_pma_portcounters *)
|
|
pmp->data;
|
|
struct ipath_ibdev *dev = to_idev(ibdev);
|
|
struct ipath_verbs_counters cntrs;
|
|
u8 port_select = p->port_select;
|
|
|
|
ipath_get_counters(dev->dd, &cntrs);
|
|
|
|
/* Adjust counters for any resets done. */
|
|
cntrs.symbol_error_counter -= dev->z_symbol_error_counter;
|
|
cntrs.link_error_recovery_counter -=
|
|
dev->z_link_error_recovery_counter;
|
|
cntrs.link_downed_counter -= dev->z_link_downed_counter;
|
|
cntrs.port_rcv_errors += dev->rcv_errors;
|
|
cntrs.port_rcv_errors -= dev->z_port_rcv_errors;
|
|
cntrs.port_rcv_remphys_errors -= dev->z_port_rcv_remphys_errors;
|
|
cntrs.port_xmit_discards -= dev->z_port_xmit_discards;
|
|
cntrs.port_xmit_data -= dev->z_port_xmit_data;
|
|
cntrs.port_rcv_data -= dev->z_port_rcv_data;
|
|
cntrs.port_xmit_packets -= dev->z_port_xmit_packets;
|
|
cntrs.port_rcv_packets -= dev->z_port_rcv_packets;
|
|
cntrs.local_link_integrity_errors -=
|
|
dev->z_local_link_integrity_errors;
|
|
cntrs.excessive_buffer_overrun_errors -=
|
|
dev->z_excessive_buffer_overrun_errors;
|
|
|
|
memset(pmp->data, 0, sizeof(pmp->data));
|
|
|
|
p->port_select = port_select;
|
|
if (pmp->attr_mod != 0 ||
|
|
(port_select != port && port_select != 0xFF))
|
|
pmp->status |= IB_SMP_INVALID_FIELD;
|
|
|
|
if (cntrs.symbol_error_counter > 0xFFFFUL)
|
|
p->symbol_error_counter = __constant_cpu_to_be16(0xFFFF);
|
|
else
|
|
p->symbol_error_counter =
|
|
cpu_to_be16((u16)cntrs.symbol_error_counter);
|
|
if (cntrs.link_error_recovery_counter > 0xFFUL)
|
|
p->link_error_recovery_counter = 0xFF;
|
|
else
|
|
p->link_error_recovery_counter =
|
|
(u8)cntrs.link_error_recovery_counter;
|
|
if (cntrs.link_downed_counter > 0xFFUL)
|
|
p->link_downed_counter = 0xFF;
|
|
else
|
|
p->link_downed_counter = (u8)cntrs.link_downed_counter;
|
|
if (cntrs.port_rcv_errors > 0xFFFFUL)
|
|
p->port_rcv_errors = __constant_cpu_to_be16(0xFFFF);
|
|
else
|
|
p->port_rcv_errors =
|
|
cpu_to_be16((u16) cntrs.port_rcv_errors);
|
|
if (cntrs.port_rcv_remphys_errors > 0xFFFFUL)
|
|
p->port_rcv_remphys_errors = __constant_cpu_to_be16(0xFFFF);
|
|
else
|
|
p->port_rcv_remphys_errors =
|
|
cpu_to_be16((u16)cntrs.port_rcv_remphys_errors);
|
|
if (cntrs.port_xmit_discards > 0xFFFFUL)
|
|
p->port_xmit_discards = __constant_cpu_to_be16(0xFFFF);
|
|
else
|
|
p->port_xmit_discards =
|
|
cpu_to_be16((u16)cntrs.port_xmit_discards);
|
|
if (cntrs.local_link_integrity_errors > 0xFUL)
|
|
cntrs.local_link_integrity_errors = 0xFUL;
|
|
if (cntrs.excessive_buffer_overrun_errors > 0xFUL)
|
|
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)
|
|
p->vl15_dropped = __constant_cpu_to_be16(0xFFFF);
|
|
else
|
|
p->vl15_dropped = cpu_to_be16((u16)dev->n_vl15_dropped);
|
|
if (cntrs.port_xmit_data > 0xFFFFFFFFUL)
|
|
p->port_xmit_data = __constant_cpu_to_be32(0xFFFFFFFF);
|
|
else
|
|
p->port_xmit_data = cpu_to_be32((u32)cntrs.port_xmit_data);
|
|
if (cntrs.port_rcv_data > 0xFFFFFFFFUL)
|
|
p->port_rcv_data = __constant_cpu_to_be32(0xFFFFFFFF);
|
|
else
|
|
p->port_rcv_data = cpu_to_be32((u32)cntrs.port_rcv_data);
|
|
if (cntrs.port_xmit_packets > 0xFFFFFFFFUL)
|
|
p->port_xmit_packets = __constant_cpu_to_be32(0xFFFFFFFF);
|
|
else
|
|
p->port_xmit_packets =
|
|
cpu_to_be32((u32)cntrs.port_xmit_packets);
|
|
if (cntrs.port_rcv_packets > 0xFFFFFFFFUL)
|
|
p->port_rcv_packets = __constant_cpu_to_be32(0xFFFFFFFF);
|
|
else
|
|
p->port_rcv_packets =
|
|
cpu_to_be32((u32) cntrs.port_rcv_packets);
|
|
|
|
return reply((struct ib_smp *) pmp);
|
|
}
|
|
|
|
static int recv_pma_get_portcounters_ext(struct ib_perf *pmp,
|
|
struct ib_device *ibdev, u8 port)
|
|
{
|
|
struct ib_pma_portcounters_ext *p =
|
|
(struct ib_pma_portcounters_ext *)pmp->data;
|
|
struct ipath_ibdev *dev = to_idev(ibdev);
|
|
u64 swords, rwords, spkts, rpkts, xwait;
|
|
u8 port_select = p->port_select;
|
|
|
|
ipath_snapshot_counters(dev->dd, &swords, &rwords, &spkts,
|
|
&rpkts, &xwait);
|
|
|
|
/* Adjust counters for any resets done. */
|
|
swords -= dev->z_port_xmit_data;
|
|
rwords -= dev->z_port_rcv_data;
|
|
spkts -= dev->z_port_xmit_packets;
|
|
rpkts -= dev->z_port_rcv_packets;
|
|
|
|
memset(pmp->data, 0, sizeof(pmp->data));
|
|
|
|
p->port_select = port_select;
|
|
if (pmp->attr_mod != 0 ||
|
|
(port_select != port && port_select != 0xFF))
|
|
pmp->status |= IB_SMP_INVALID_FIELD;
|
|
|
|
p->port_xmit_data = cpu_to_be64(swords);
|
|
p->port_rcv_data = cpu_to_be64(rwords);
|
|
p->port_xmit_packets = cpu_to_be64(spkts);
|
|
p->port_rcv_packets = cpu_to_be64(rpkts);
|
|
p->port_unicast_xmit_packets = cpu_to_be64(dev->n_unicast_xmit);
|
|
p->port_unicast_rcv_packets = cpu_to_be64(dev->n_unicast_rcv);
|
|
p->port_multicast_xmit_packets = cpu_to_be64(dev->n_multicast_xmit);
|
|
p->port_multicast_rcv_packets = cpu_to_be64(dev->n_multicast_rcv);
|
|
|
|
return reply((struct ib_smp *) pmp);
|
|
}
|
|
|
|
static int recv_pma_set_portcounters(struct ib_perf *pmp,
|
|
struct ib_device *ibdev, u8 port)
|
|
{
|
|
struct ib_pma_portcounters *p = (struct ib_pma_portcounters *)
|
|
pmp->data;
|
|
struct ipath_ibdev *dev = to_idev(ibdev);
|
|
struct ipath_verbs_counters cntrs;
|
|
|
|
/*
|
|
* Since the HW doesn't support clearing counters, we save the
|
|
* current count and subtract it from future responses.
|
|
*/
|
|
ipath_get_counters(dev->dd, &cntrs);
|
|
|
|
if (p->counter_select & IB_PMA_SEL_SYMBOL_ERROR)
|
|
dev->z_symbol_error_counter = cntrs.symbol_error_counter;
|
|
|
|
if (p->counter_select & IB_PMA_SEL_LINK_ERROR_RECOVERY)
|
|
dev->z_link_error_recovery_counter =
|
|
cntrs.link_error_recovery_counter;
|
|
|
|
if (p->counter_select & IB_PMA_SEL_LINK_DOWNED)
|
|
dev->z_link_downed_counter = cntrs.link_downed_counter;
|
|
|
|
if (p->counter_select & IB_PMA_SEL_PORT_RCV_ERRORS)
|
|
dev->z_port_rcv_errors =
|
|
cntrs.port_rcv_errors + dev->rcv_errors;
|
|
|
|
if (p->counter_select & IB_PMA_SEL_PORT_RCV_REMPHYS_ERRORS)
|
|
dev->z_port_rcv_remphys_errors =
|
|
cntrs.port_rcv_remphys_errors;
|
|
|
|
if (p->counter_select & IB_PMA_SEL_PORT_XMIT_DISCARDS)
|
|
dev->z_port_xmit_discards = cntrs.port_xmit_discards;
|
|
|
|
if (p->counter_select & IB_PMA_SEL_LOCAL_LINK_INTEGRITY_ERRORS)
|
|
dev->z_local_link_integrity_errors =
|
|
cntrs.local_link_integrity_errors;
|
|
|
|
if (p->counter_select & IB_PMA_SEL_EXCESSIVE_BUFFER_OVERRUNS)
|
|
dev->z_excessive_buffer_overrun_errors =
|
|
cntrs.excessive_buffer_overrun_errors;
|
|
|
|
if (p->counter_select & IB_PMA_SEL_PORT_VL15_DROPPED)
|
|
dev->n_vl15_dropped = 0;
|
|
|
|
if (p->counter_select & IB_PMA_SEL_PORT_XMIT_DATA)
|
|
dev->z_port_xmit_data = cntrs.port_xmit_data;
|
|
|
|
if (p->counter_select & IB_PMA_SEL_PORT_RCV_DATA)
|
|
dev->z_port_rcv_data = cntrs.port_rcv_data;
|
|
|
|
if (p->counter_select & IB_PMA_SEL_PORT_XMIT_PACKETS)
|
|
dev->z_port_xmit_packets = cntrs.port_xmit_packets;
|
|
|
|
if (p->counter_select & IB_PMA_SEL_PORT_RCV_PACKETS)
|
|
dev->z_port_rcv_packets = cntrs.port_rcv_packets;
|
|
|
|
return recv_pma_get_portcounters(pmp, ibdev, port);
|
|
}
|
|
|
|
static int recv_pma_set_portcounters_ext(struct ib_perf *pmp,
|
|
struct ib_device *ibdev, u8 port)
|
|
{
|
|
struct ib_pma_portcounters *p = (struct ib_pma_portcounters *)
|
|
pmp->data;
|
|
struct ipath_ibdev *dev = to_idev(ibdev);
|
|
u64 swords, rwords, spkts, rpkts, xwait;
|
|
|
|
ipath_snapshot_counters(dev->dd, &swords, &rwords, &spkts,
|
|
&rpkts, &xwait);
|
|
|
|
if (p->counter_select & IB_PMA_SELX_PORT_XMIT_DATA)
|
|
dev->z_port_xmit_data = swords;
|
|
|
|
if (p->counter_select & IB_PMA_SELX_PORT_RCV_DATA)
|
|
dev->z_port_rcv_data = rwords;
|
|
|
|
if (p->counter_select & IB_PMA_SELX_PORT_XMIT_PACKETS)
|
|
dev->z_port_xmit_packets = spkts;
|
|
|
|
if (p->counter_select & IB_PMA_SELX_PORT_RCV_PACKETS)
|
|
dev->z_port_rcv_packets = rpkts;
|
|
|
|
if (p->counter_select & IB_PMA_SELX_PORT_UNI_XMIT_PACKETS)
|
|
dev->n_unicast_xmit = 0;
|
|
|
|
if (p->counter_select & IB_PMA_SELX_PORT_UNI_RCV_PACKETS)
|
|
dev->n_unicast_rcv = 0;
|
|
|
|
if (p->counter_select & IB_PMA_SELX_PORT_MULTI_XMIT_PACKETS)
|
|
dev->n_multicast_xmit = 0;
|
|
|
|
if (p->counter_select & IB_PMA_SELX_PORT_MULTI_RCV_PACKETS)
|
|
dev->n_multicast_rcv = 0;
|
|
|
|
return recv_pma_get_portcounters_ext(pmp, ibdev, port);
|
|
}
|
|
|
|
static int process_subn(struct ib_device *ibdev, int mad_flags,
|
|
u8 port_num, struct ib_mad *in_mad,
|
|
struct ib_mad *out_mad)
|
|
{
|
|
struct ib_smp *smp = (struct ib_smp *)out_mad;
|
|
struct ipath_ibdev *dev = to_idev(ibdev);
|
|
int ret;
|
|
|
|
*out_mad = *in_mad;
|
|
if (smp->class_version != 1) {
|
|
smp->status |= IB_SMP_UNSUP_VERSION;
|
|
ret = reply(smp);
|
|
goto bail;
|
|
}
|
|
|
|
/* Is the mkey in the process of expiring? */
|
|
if (dev->mkey_lease_timeout && jiffies >= dev->mkey_lease_timeout) {
|
|
/* Clear timeout and mkey protection field. */
|
|
dev->mkey_lease_timeout = 0;
|
|
dev->mkeyprot_resv_lmc &= 0x3F;
|
|
}
|
|
|
|
/*
|
|
* M_Key checking depends on
|
|
* Portinfo:M_Key_protect_bits
|
|
*/
|
|
if ((mad_flags & IB_MAD_IGNORE_MKEY) == 0 && dev->mkey != 0 &&
|
|
dev->mkey != smp->mkey &&
|
|
(smp->method == IB_MGMT_METHOD_SET ||
|
|
(smp->method == IB_MGMT_METHOD_GET &&
|
|
(dev->mkeyprot_resv_lmc >> 7) != 0))) {
|
|
if (dev->mkey_violations != 0xFFFF)
|
|
++dev->mkey_violations;
|
|
if (dev->mkey_lease_timeout ||
|
|
dev->mkey_lease_period == 0) {
|
|
ret = IB_MAD_RESULT_SUCCESS |
|
|
IB_MAD_RESULT_CONSUMED;
|
|
goto bail;
|
|
}
|
|
dev->mkey_lease_timeout = jiffies +
|
|
dev->mkey_lease_period * HZ;
|
|
/* Future: Generate a trap notice. */
|
|
ret = IB_MAD_RESULT_SUCCESS | IB_MAD_RESULT_CONSUMED;
|
|
goto bail;
|
|
} else if (dev->mkey_lease_timeout)
|
|
dev->mkey_lease_timeout = 0;
|
|
|
|
switch (smp->method) {
|
|
case IB_MGMT_METHOD_GET:
|
|
switch (smp->attr_id) {
|
|
case IB_SMP_ATTR_NODE_DESC:
|
|
ret = recv_subn_get_nodedescription(smp, ibdev);
|
|
goto bail;
|
|
case IB_SMP_ATTR_NODE_INFO:
|
|
ret = recv_subn_get_nodeinfo(smp, ibdev, port_num);
|
|
goto bail;
|
|
case IB_SMP_ATTR_GUID_INFO:
|
|
ret = recv_subn_get_guidinfo(smp, ibdev);
|
|
goto bail;
|
|
case IB_SMP_ATTR_PORT_INFO:
|
|
ret = recv_subn_get_portinfo(smp, ibdev, port_num);
|
|
goto bail;
|
|
case IB_SMP_ATTR_PKEY_TABLE:
|
|
ret = recv_subn_get_pkeytable(smp, ibdev);
|
|
goto bail;
|
|
case IB_SMP_ATTR_SM_INFO:
|
|
if (dev->port_cap_flags & IB_PORT_SM_DISABLED) {
|
|
ret = IB_MAD_RESULT_SUCCESS |
|
|
IB_MAD_RESULT_CONSUMED;
|
|
goto bail;
|
|
}
|
|
if (dev->port_cap_flags & IB_PORT_SM) {
|
|
ret = IB_MAD_RESULT_SUCCESS;
|
|
goto bail;
|
|
}
|
|
/* FALLTHROUGH */
|
|
default:
|
|
smp->status |= IB_SMP_UNSUP_METH_ATTR;
|
|
ret = reply(smp);
|
|
goto bail;
|
|
}
|
|
|
|
case IB_MGMT_METHOD_SET:
|
|
switch (smp->attr_id) {
|
|
case IB_SMP_ATTR_GUID_INFO:
|
|
ret = recv_subn_set_guidinfo(smp, ibdev);
|
|
goto bail;
|
|
case IB_SMP_ATTR_PORT_INFO:
|
|
ret = recv_subn_set_portinfo(smp, ibdev, port_num);
|
|
goto bail;
|
|
case IB_SMP_ATTR_PKEY_TABLE:
|
|
ret = recv_subn_set_pkeytable(smp, ibdev);
|
|
goto bail;
|
|
case IB_SMP_ATTR_SM_INFO:
|
|
if (dev->port_cap_flags & IB_PORT_SM_DISABLED) {
|
|
ret = IB_MAD_RESULT_SUCCESS |
|
|
IB_MAD_RESULT_CONSUMED;
|
|
goto bail;
|
|
}
|
|
if (dev->port_cap_flags & IB_PORT_SM) {
|
|
ret = IB_MAD_RESULT_SUCCESS;
|
|
goto bail;
|
|
}
|
|
/* FALLTHROUGH */
|
|
default:
|
|
smp->status |= IB_SMP_UNSUP_METH_ATTR;
|
|
ret = reply(smp);
|
|
goto bail;
|
|
}
|
|
|
|
case IB_MGMT_METHOD_GET_RESP:
|
|
/*
|
|
* The ib_mad module will call us to process responses
|
|
* before checking for other consumers.
|
|
* Just tell the caller to process it normally.
|
|
*/
|
|
ret = IB_MAD_RESULT_FAILURE;
|
|
goto bail;
|
|
default:
|
|
smp->status |= IB_SMP_UNSUP_METHOD;
|
|
ret = reply(smp);
|
|
}
|
|
|
|
bail:
|
|
return ret;
|
|
}
|
|
|
|
static int process_perf(struct ib_device *ibdev, u8 port_num,
|
|
struct ib_mad *in_mad,
|
|
struct ib_mad *out_mad)
|
|
{
|
|
struct ib_perf *pmp = (struct ib_perf *)out_mad;
|
|
int ret;
|
|
|
|
*out_mad = *in_mad;
|
|
if (pmp->class_version != 1) {
|
|
pmp->status |= IB_SMP_UNSUP_VERSION;
|
|
ret = reply((struct ib_smp *) pmp);
|
|
goto bail;
|
|
}
|
|
|
|
switch (pmp->method) {
|
|
case IB_MGMT_METHOD_GET:
|
|
switch (pmp->attr_id) {
|
|
case IB_PMA_CLASS_PORT_INFO:
|
|
ret = recv_pma_get_classportinfo(pmp);
|
|
goto bail;
|
|
case IB_PMA_PORT_SAMPLES_CONTROL:
|
|
ret = recv_pma_get_portsamplescontrol(pmp, ibdev,
|
|
port_num);
|
|
goto bail;
|
|
case IB_PMA_PORT_SAMPLES_RESULT:
|
|
ret = recv_pma_get_portsamplesresult(pmp, ibdev);
|
|
goto bail;
|
|
case IB_PMA_PORT_SAMPLES_RESULT_EXT:
|
|
ret = recv_pma_get_portsamplesresult_ext(pmp,
|
|
ibdev);
|
|
goto bail;
|
|
case IB_PMA_PORT_COUNTERS:
|
|
ret = recv_pma_get_portcounters(pmp, ibdev,
|
|
port_num);
|
|
goto bail;
|
|
case IB_PMA_PORT_COUNTERS_EXT:
|
|
ret = recv_pma_get_portcounters_ext(pmp, ibdev,
|
|
port_num);
|
|
goto bail;
|
|
default:
|
|
pmp->status |= IB_SMP_UNSUP_METH_ATTR;
|
|
ret = reply((struct ib_smp *) pmp);
|
|
goto bail;
|
|
}
|
|
|
|
case IB_MGMT_METHOD_SET:
|
|
switch (pmp->attr_id) {
|
|
case IB_PMA_PORT_SAMPLES_CONTROL:
|
|
ret = recv_pma_set_portsamplescontrol(pmp, ibdev,
|
|
port_num);
|
|
goto bail;
|
|
case IB_PMA_PORT_COUNTERS:
|
|
ret = recv_pma_set_portcounters(pmp, ibdev,
|
|
port_num);
|
|
goto bail;
|
|
case IB_PMA_PORT_COUNTERS_EXT:
|
|
ret = recv_pma_set_portcounters_ext(pmp, ibdev,
|
|
port_num);
|
|
goto bail;
|
|
default:
|
|
pmp->status |= IB_SMP_UNSUP_METH_ATTR;
|
|
ret = reply((struct ib_smp *) pmp);
|
|
goto bail;
|
|
}
|
|
|
|
case IB_MGMT_METHOD_GET_RESP:
|
|
/*
|
|
* The ib_mad module will call us to process responses
|
|
* before checking for other consumers.
|
|
* Just tell the caller to process it normally.
|
|
*/
|
|
ret = IB_MAD_RESULT_FAILURE;
|
|
goto bail;
|
|
default:
|
|
pmp->status |= IB_SMP_UNSUP_METHOD;
|
|
ret = reply((struct ib_smp *) pmp);
|
|
}
|
|
|
|
bail:
|
|
return ret;
|
|
}
|
|
|
|
/**
|
|
* ipath_process_mad - process an incoming MAD packet
|
|
* @ibdev: the infiniband device this packet came in on
|
|
* @mad_flags: MAD flags
|
|
* @port_num: the port number this packet came in on
|
|
* @in_wc: the work completion entry for this packet
|
|
* @in_grh: the global route header for this packet
|
|
* @in_mad: the incoming MAD
|
|
* @out_mad: any outgoing MAD reply
|
|
*
|
|
* Returns IB_MAD_RESULT_SUCCESS if this is a MAD that we are not
|
|
* interested in processing.
|
|
*
|
|
* Note that the verbs framework has already done the MAD sanity checks,
|
|
* and hop count/pointer updating for IB_MGMT_CLASS_SUBN_DIRECTED_ROUTE
|
|
* MADs.
|
|
*
|
|
* This is called by the ib_mad module.
|
|
*/
|
|
int ipath_process_mad(struct ib_device *ibdev, int mad_flags, u8 port_num,
|
|
struct ib_wc *in_wc, struct ib_grh *in_grh,
|
|
struct ib_mad *in_mad, struct ib_mad *out_mad)
|
|
{
|
|
int ret;
|
|
|
|
switch (in_mad->mad_hdr.mgmt_class) {
|
|
case IB_MGMT_CLASS_SUBN_DIRECTED_ROUTE:
|
|
case IB_MGMT_CLASS_SUBN_LID_ROUTED:
|
|
ret = process_subn(ibdev, mad_flags, port_num,
|
|
in_mad, out_mad);
|
|
goto bail;
|
|
case IB_MGMT_CLASS_PERF_MGMT:
|
|
ret = process_perf(ibdev, port_num, in_mad, out_mad);
|
|
goto bail;
|
|
default:
|
|
ret = IB_MAD_RESULT_SUCCESS;
|
|
}
|
|
|
|
bail:
|
|
return ret;
|
|
}
|