mthca_av.c revision 2fa5e2ebbe2d81f741ba7bed9e07dc38cc734625
11da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 21da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Copyright (c) 2004 Topspin Communications. All rights reserved. 3cd4e8fb49d2326364971a56f5a4b664a976f3712Tom Duffy * Copyright (c) 2005 Sun Microsystems, Inc. All rights reserved. 41da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 51da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * This software is available to you under a choice of one of two 61da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * licenses. You may choose to be licensed under the terms of the GNU 71da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * General Public License (GPL) Version 2, available from the file 81da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * COPYING in the main directory of this source tree, or the 91da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * OpenIB.org BSD license below: 101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Redistribution and use in source and binary forms, with or 121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * without modification, are permitted provided that the following 131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * conditions are met: 141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * - Redistributions of source code must retain the above 161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * copyright notice, this list of conditions and the following 171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * disclaimer. 181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * - Redistributions in binary form must reproduce the above 201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * copyright notice, this list of conditions and the following 211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * disclaimer in the documentation and/or other materials 221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * provided with the distribution. 231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS 281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN 291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN 301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * SOFTWARE. 321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * $Id: mthca_av.c 1349 2004-12-16 21:09:43Z roland $ 341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/init.h> 374e57b6817880946a3a78d5d8cad1ace363f7e449Tim Schmielau#include <linux/string.h> 384e57b6817880946a3a78d5d8cad1ace363f7e449Tim Schmielau#include <linux/slab.h> 391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 40a4d61e84804f3b14cc35c5e2af768a07c0f64ef6Roland Dreier#include <rdma/ib_verbs.h> 41a4d61e84804f3b14cc35c5e2af768a07c0f64ef6Roland Dreier#include <rdma/ib_cache.h> 421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include "mthca_dev.h" 441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstruct mthca_av { 4697f52eb438be7caebe026421545619d8a0c1398aSean Hefty __be32 port_pd; 4797f52eb438be7caebe026421545619d8a0c1398aSean Hefty u8 reserved1; 4897f52eb438be7caebe026421545619d8a0c1398aSean Hefty u8 g_slid; 4997f52eb438be7caebe026421545619d8a0c1398aSean Hefty __be16 dlid; 5097f52eb438be7caebe026421545619d8a0c1398aSean Hefty u8 reserved2; 5197f52eb438be7caebe026421545619d8a0c1398aSean Hefty u8 gid_index; 5297f52eb438be7caebe026421545619d8a0c1398aSean Hefty u8 msg_sr; 5397f52eb438be7caebe026421545619d8a0c1398aSean Hefty u8 hop_limit; 5497f52eb438be7caebe026421545619d8a0c1398aSean Hefty __be32 sl_tclass_flowlabel; 5597f52eb438be7caebe026421545619d8a0c1398aSean Hefty __be32 dgid[4]; 561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds}; 571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsint mthca_create_ah(struct mthca_dev *dev, 591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct mthca_pd *pd, 601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct ib_ah_attr *ah_attr, 611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct mthca_ah *ah) 621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u32 index = -1; 641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct mthca_av *av = NULL; 651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ah->type = MTHCA_AH_PCI_POOL; 671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 68d10ddbf6d7f6699c386d1f41bf542189de32b6beRoland Dreier if (mthca_is_memfree(dev)) { 698df8a34de60f8e51c87e5c145679f1a896133199Roland Dreier ah->av = kmalloc(sizeof *ah->av, GFP_ATOMIC); 701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (!ah->av) 711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return -ENOMEM; 721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ah->type = MTHCA_AH_KMALLOC; 741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds av = ah->av; 751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } else if (!atomic_read(&pd->sqp_count) && 761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds !(dev->mthca_flags & MTHCA_FLAG_DDR_HIDDEN)) { 771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds index = mthca_alloc(&dev->av_table.alloc); 781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* fall back to allocate in host memory */ 801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (index == -1) 811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds goto on_hca_fail; 821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 838df8a34de60f8e51c87e5c145679f1a896133199Roland Dreier av = kmalloc(sizeof *av, GFP_ATOMIC); 841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (!av) 851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds goto on_hca_fail; 861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ah->type = MTHCA_AH_ON_HCA; 881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ah->avdma = dev->av_table.ddr_av_base + 891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds index * MTHCA_AV_SIZE; 901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldson_hca_fail: 931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (ah->type == MTHCA_AH_PCI_POOL) { 941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ah->av = pci_pool_alloc(dev->av_table.pool, 958df8a34de60f8e51c87e5c145679f1a896133199Roland Dreier SLAB_ATOMIC, &ah->avdma); 961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (!ah->av) 971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return -ENOMEM; 981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds av = ah->av; 1001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 1011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ah->key = pd->ntmr.ibmr.lkey; 1031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds memset(av, 0, MTHCA_AV_SIZE); 1051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds av->port_pd = cpu_to_be32(pd->pd_num | (ah_attr->port_num << 24)); 1071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds av->g_slid = ah_attr->src_path_bits; 1081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds av->dlid = cpu_to_be16(ah_attr->dlid); 1091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds av->msg_sr = (3 << 4) | /* 2K message */ 1101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ah_attr->static_rate; 1111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds av->sl_tclass_flowlabel = cpu_to_be32(ah_attr->sl << 28); 1121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (ah_attr->ah_flags & IB_AH_GRH) { 1131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds av->g_slid |= 0x80; 1141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds av->gid_index = (ah_attr->port_num - 1) * dev->limits.gid_table_len + 1151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ah_attr->grh.sgid_index; 1161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds av->hop_limit = ah_attr->grh.hop_limit; 1171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds av->sl_tclass_flowlabel |= 1181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds cpu_to_be32((ah_attr->grh.traffic_class << 20) | 1191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ah_attr->grh.flow_label); 1201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds memcpy(av->dgid, ah_attr->grh.dgid.raw, 16); 1211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } else { 1221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Arbel workaround -- low byte of GID must be 2 */ 1231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds av->dgid[3] = cpu_to_be32(2); 1241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 1251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (0) { 1271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int j; 1281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds mthca_dbg(dev, "Created UDAV at %p/%08lx:\n", 1301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds av, (unsigned long) ah->avdma); 1311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds for (j = 0; j < 8; ++j) 1321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(KERN_DEBUG " [%2x] %08x\n", 13397f52eb438be7caebe026421545619d8a0c1398aSean Hefty j * 4, be32_to_cpu(((__be32 *) av)[j])); 1341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 1351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (ah->type == MTHCA_AH_ON_HCA) { 1371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds memcpy_toio(dev->av_table.av_map + index * MTHCA_AV_SIZE, 1381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds av, MTHCA_AV_SIZE); 1391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds kfree(av); 1401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 1411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 1431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 1441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsint mthca_destroy_ah(struct mthca_dev *dev, struct mthca_ah *ah) 1461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 1471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds switch (ah->type) { 1481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case MTHCA_AH_ON_HCA: 1491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds mthca_free(&dev->av_table.alloc, 1502fa5e2ebbe2d81f741ba7bed9e07dc38cc734625Roland Dreier (ah->avdma - dev->av_table.ddr_av_base) / 1511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds MTHCA_AV_SIZE); 1521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 1531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case MTHCA_AH_PCI_POOL: 1551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds pci_pool_free(dev->av_table.pool, ah->av, ah->avdma); 1561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 1571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case MTHCA_AH_KMALLOC: 1591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds kfree(ah->av); 1601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 1611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 1621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 1641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 1651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1669eacee2ac624bfa9740d49355dbe6ee88d0cba0aMichael S. Tsirkinint mthca_ah_grh_present(struct mthca_ah *ah) 1679eacee2ac624bfa9740d49355dbe6ee88d0cba0aMichael S. Tsirkin{ 1689eacee2ac624bfa9740d49355dbe6ee88d0cba0aMichael S. Tsirkin return !!(ah->av->g_slid & 0x80); 1699eacee2ac624bfa9740d49355dbe6ee88d0cba0aMichael S. Tsirkin} 1709eacee2ac624bfa9740d49355dbe6ee88d0cba0aMichael S. Tsirkin 1711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsint mthca_read_ah(struct mthca_dev *dev, struct mthca_ah *ah, 1721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct ib_ud_header *header) 1731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 1741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (ah->type == MTHCA_AH_ON_HCA) 1751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return -EINVAL; 1761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds header->lrh.service_level = be32_to_cpu(ah->av->sl_tclass_flowlabel) >> 28; 1781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds header->lrh.destination_lid = ah->av->dlid; 17997f52eb438be7caebe026421545619d8a0c1398aSean Hefty header->lrh.source_lid = cpu_to_be16(ah->av->g_slid & 0x7f); 1809eacee2ac624bfa9740d49355dbe6ee88d0cba0aMichael S. Tsirkin if (mthca_ah_grh_present(ah)) { 1811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds header->grh.traffic_class = 1821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds (be32_to_cpu(ah->av->sl_tclass_flowlabel) >> 20) & 0xff; 1831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds header->grh.flow_label = 1841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ah->av->sl_tclass_flowlabel & cpu_to_be32(0xfffff); 1851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ib_get_cached_gid(&dev->ib_dev, 1861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds be32_to_cpu(ah->av->port_pd) >> 24, 187f9e61929e5e1dacc2afefbde6abc3e6571ca2887Michael S. Tsirkin ah->av->gid_index % dev->limits.gid_table_len, 1881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds &header->grh.source_gid); 1891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds memcpy(header->grh.destination_gid.raw, 1901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ah->av->dgid, 16); 1911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 1921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 1941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 1951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsint __devinit mthca_init_av_table(struct mthca_dev *dev) 1971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 1981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int err; 1991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 200d10ddbf6d7f6699c386d1f41bf542189de32b6beRoland Dreier if (mthca_is_memfree(dev)) 2011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 2021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds err = mthca_alloc_init(&dev->av_table.alloc, 2041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dev->av_table.num_ddr_avs, 2051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dev->av_table.num_ddr_avs - 1, 2061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 0); 2071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (err) 2081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return err; 2091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dev->av_table.pool = pci_pool_create("mthca_av", dev->pdev, 2111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds MTHCA_AV_SIZE, 2121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds MTHCA_AV_SIZE, 0); 2131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (!dev->av_table.pool) 2141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds goto out_free_alloc; 2151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (!(dev->mthca_flags & MTHCA_FLAG_DDR_HIDDEN)) { 2171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dev->av_table.av_map = ioremap(pci_resource_start(dev->pdev, 4) + 2181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dev->av_table.ddr_av_base - 2191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dev->ddr_start, 2201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dev->av_table.num_ddr_avs * 2211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds MTHCA_AV_SIZE); 2221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (!dev->av_table.av_map) 2231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds goto out_free_pool; 2241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } else 2251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dev->av_table.av_map = NULL; 2261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 2281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds out_free_pool: 2301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds pci_pool_destroy(dev->av_table.pool); 2311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds out_free_alloc: 2331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds mthca_alloc_cleanup(&dev->av_table.alloc); 2341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return -ENOMEM; 2351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 2361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsvoid __devexit mthca_cleanup_av_table(struct mthca_dev *dev) 2381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 239d10ddbf6d7f6699c386d1f41bf542189de32b6beRoland Dreier if (mthca_is_memfree(dev)) 2401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return; 2411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (dev->av_table.av_map) 2431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds iounmap(dev->av_table.av_map); 2441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds pci_pool_destroy(dev->av_table.pool); 2451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds mthca_alloc_cleanup(&dev->av_table.alloc); 2461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 247