15a2cc190SJeff Kirsher /* 25a2cc190SJeff Kirsher * Copyright (c) 2004, 2005 Topspin Communications. All rights reserved. 35a2cc190SJeff Kirsher * Copyright (c) 2005 Mellanox Technologies. All rights reserved. 45a2cc190SJeff Kirsher * Copyright (c) 2006, 2007 Cisco Systems, Inc. All rights reserved. 55a2cc190SJeff Kirsher * 65a2cc190SJeff Kirsher * This software is available to you under a choice of one of two 75a2cc190SJeff Kirsher * licenses. You may choose to be licensed under the terms of the GNU 85a2cc190SJeff Kirsher * General Public License (GPL) Version 2, available from the file 95a2cc190SJeff Kirsher * COPYING in the main directory of this source tree, or the 105a2cc190SJeff Kirsher * OpenIB.org BSD license below: 115a2cc190SJeff Kirsher * 125a2cc190SJeff Kirsher * Redistribution and use in source and binary forms, with or 135a2cc190SJeff Kirsher * without modification, are permitted provided that the following 145a2cc190SJeff Kirsher * conditions are met: 155a2cc190SJeff Kirsher * 165a2cc190SJeff Kirsher * - Redistributions of source code must retain the above 175a2cc190SJeff Kirsher * copyright notice, this list of conditions and the following 185a2cc190SJeff Kirsher * disclaimer. 195a2cc190SJeff Kirsher * 205a2cc190SJeff Kirsher * - Redistributions in binary form must reproduce the above 215a2cc190SJeff Kirsher * copyright notice, this list of conditions and the following 225a2cc190SJeff Kirsher * disclaimer in the documentation and/or other materials 235a2cc190SJeff Kirsher * provided with the distribution. 245a2cc190SJeff Kirsher * 255a2cc190SJeff Kirsher * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 265a2cc190SJeff Kirsher * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 275a2cc190SJeff Kirsher * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 285a2cc190SJeff Kirsher * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS 295a2cc190SJeff Kirsher * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN 305a2cc190SJeff Kirsher * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN 315a2cc190SJeff Kirsher * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 325a2cc190SJeff Kirsher * SOFTWARE. 335a2cc190SJeff Kirsher */ 345a2cc190SJeff Kirsher 355a2cc190SJeff Kirsher #include <linux/slab.h> 365a2cc190SJeff Kirsher 375a2cc190SJeff Kirsher #include "mlx4.h" 385a2cc190SJeff Kirsher #include "fw.h" 395a2cc190SJeff Kirsher 405a2cc190SJeff Kirsher enum { 415a2cc190SJeff Kirsher MLX4_RES_QP, 425a2cc190SJeff Kirsher MLX4_RES_RDMARC, 435a2cc190SJeff Kirsher MLX4_RES_ALTC, 445a2cc190SJeff Kirsher MLX4_RES_AUXC, 455a2cc190SJeff Kirsher MLX4_RES_SRQ, 465a2cc190SJeff Kirsher MLX4_RES_CQ, 475a2cc190SJeff Kirsher MLX4_RES_EQ, 485a2cc190SJeff Kirsher MLX4_RES_DMPT, 495a2cc190SJeff Kirsher MLX4_RES_CMPT, 505a2cc190SJeff Kirsher MLX4_RES_MTT, 515a2cc190SJeff Kirsher MLX4_RES_MCG, 525a2cc190SJeff Kirsher MLX4_RES_NUM 535a2cc190SJeff Kirsher }; 545a2cc190SJeff Kirsher 555a2cc190SJeff Kirsher static const char *res_name[] = { 565a2cc190SJeff Kirsher [MLX4_RES_QP] = "QP", 575a2cc190SJeff Kirsher [MLX4_RES_RDMARC] = "RDMARC", 585a2cc190SJeff Kirsher [MLX4_RES_ALTC] = "ALTC", 595a2cc190SJeff Kirsher [MLX4_RES_AUXC] = "AUXC", 605a2cc190SJeff Kirsher [MLX4_RES_SRQ] = "SRQ", 615a2cc190SJeff Kirsher [MLX4_RES_CQ] = "CQ", 625a2cc190SJeff Kirsher [MLX4_RES_EQ] = "EQ", 635a2cc190SJeff Kirsher [MLX4_RES_DMPT] = "DMPT", 645a2cc190SJeff Kirsher [MLX4_RES_CMPT] = "CMPT", 655a2cc190SJeff Kirsher [MLX4_RES_MTT] = "MTT", 665a2cc190SJeff Kirsher [MLX4_RES_MCG] = "MCG", 675a2cc190SJeff Kirsher }; 685a2cc190SJeff Kirsher 695a2cc190SJeff Kirsher u64 mlx4_make_profile(struct mlx4_dev *dev, 705a2cc190SJeff Kirsher struct mlx4_profile *request, 715a2cc190SJeff Kirsher struct mlx4_dev_cap *dev_cap, 725a2cc190SJeff Kirsher struct mlx4_init_hca_param *init_hca) 735a2cc190SJeff Kirsher { 745a2cc190SJeff Kirsher struct mlx4_priv *priv = mlx4_priv(dev); 755a2cc190SJeff Kirsher struct mlx4_resource { 765a2cc190SJeff Kirsher u64 size; 775a2cc190SJeff Kirsher u64 start; 785a2cc190SJeff Kirsher int type; 793de819e6SYishai Hadas u32 num; 805a2cc190SJeff Kirsher int log_num; 815a2cc190SJeff Kirsher }; 825a2cc190SJeff Kirsher 835a2cc190SJeff Kirsher u64 total_size = 0; 845a2cc190SJeff Kirsher struct mlx4_resource *profile; 855a2cc190SJeff Kirsher struct mlx4_resource tmp; 86db5a7a65SRoland Dreier struct sysinfo si; 875a2cc190SJeff Kirsher int i, j; 885a2cc190SJeff Kirsher 895a2cc190SJeff Kirsher profile = kcalloc(MLX4_RES_NUM, sizeof(*profile), GFP_KERNEL); 905a2cc190SJeff Kirsher if (!profile) 915a2cc190SJeff Kirsher return -ENOMEM; 925a2cc190SJeff Kirsher 93db5a7a65SRoland Dreier /* 94db5a7a65SRoland Dreier * We want to scale the number of MTTs with the size of the 95db5a7a65SRoland Dreier * system memory, since it makes sense to register a lot of 96db5a7a65SRoland Dreier * memory on a system with a lot of memory. As a heuristic, 97db5a7a65SRoland Dreier * make sure we have enough MTTs to cover twice the system 98db5a7a65SRoland Dreier * memory (with PAGE_SIZE entries). 99db5a7a65SRoland Dreier * 100db5a7a65SRoland Dreier * This number has to be a power of two and fit into 32 bits 101db5a7a65SRoland Dreier * due to device limitations, so cap this at 2^31 as well. 102db5a7a65SRoland Dreier * That limits us to 8TB of memory registration per HCA with 103db5a7a65SRoland Dreier * 4KB pages, which is probably OK for the next few months. 104db5a7a65SRoland Dreier */ 105db5a7a65SRoland Dreier si_meminfo(&si); 106db5a7a65SRoland Dreier request->num_mtt = 107db5a7a65SRoland Dreier roundup_pow_of_two(max_t(unsigned, request->num_mtt, 1083de819e6SYishai Hadas min(1UL << (31 - log_mtts_per_seg), 109db5a7a65SRoland Dreier si.totalram >> (log_mtts_per_seg - 1)))); 110db5a7a65SRoland Dreier 1115a2cc190SJeff Kirsher profile[MLX4_RES_QP].size = dev_cap->qpc_entry_sz; 1125a2cc190SJeff Kirsher profile[MLX4_RES_RDMARC].size = dev_cap->rdmarc_entry_sz; 1135a2cc190SJeff Kirsher profile[MLX4_RES_ALTC].size = dev_cap->altc_entry_sz; 1145a2cc190SJeff Kirsher profile[MLX4_RES_AUXC].size = dev_cap->aux_entry_sz; 1155a2cc190SJeff Kirsher profile[MLX4_RES_SRQ].size = dev_cap->srq_entry_sz; 1165a2cc190SJeff Kirsher profile[MLX4_RES_CQ].size = dev_cap->cqc_entry_sz; 1175a2cc190SJeff Kirsher profile[MLX4_RES_EQ].size = dev_cap->eqc_entry_sz; 1185a2cc190SJeff Kirsher profile[MLX4_RES_DMPT].size = dev_cap->dmpt_entry_sz; 1195a2cc190SJeff Kirsher profile[MLX4_RES_CMPT].size = dev_cap->cmpt_entry_sz; 1202b8fb286SMarcel Apfelbaum profile[MLX4_RES_MTT].size = dev_cap->mtt_entry_sz; 1210ec2c0f8SEugenia Emantayev profile[MLX4_RES_MCG].size = mlx4_get_mgm_entry_size(dev); 1225a2cc190SJeff Kirsher 1235a2cc190SJeff Kirsher profile[MLX4_RES_QP].num = request->num_qp; 1245a2cc190SJeff Kirsher profile[MLX4_RES_RDMARC].num = request->num_qp * request->rdmarc_per_qp; 1255a2cc190SJeff Kirsher profile[MLX4_RES_ALTC].num = request->num_qp; 1265a2cc190SJeff Kirsher profile[MLX4_RES_AUXC].num = request->num_qp; 1275a2cc190SJeff Kirsher profile[MLX4_RES_SRQ].num = request->num_srq; 1285a2cc190SJeff Kirsher profile[MLX4_RES_CQ].num = request->num_cq; 1293fc929e2SMarcel Apfelbaum profile[MLX4_RES_EQ].num = mlx4_is_mfunc(dev) ? 1303fc929e2SMarcel Apfelbaum dev->phys_caps.num_phys_eqs : 1313fc929e2SMarcel Apfelbaum min_t(unsigned, dev_cap->max_eqs, MAX_MSIX); 1325a2cc190SJeff Kirsher profile[MLX4_RES_DMPT].num = request->num_mpt; 1335a2cc190SJeff Kirsher profile[MLX4_RES_CMPT].num = MLX4_NUM_CMPTS; 1349fd7a1e1SMarcel Apfelbaum profile[MLX4_RES_MTT].num = request->num_mtt * (1 << log_mtts_per_seg); 1355a2cc190SJeff Kirsher profile[MLX4_RES_MCG].num = request->num_mcg; 1365a2cc190SJeff Kirsher 1375a2cc190SJeff Kirsher for (i = 0; i < MLX4_RES_NUM; ++i) { 1385a2cc190SJeff Kirsher profile[i].type = i; 1395a2cc190SJeff Kirsher profile[i].num = roundup_pow_of_two(profile[i].num); 1405a2cc190SJeff Kirsher profile[i].log_num = ilog2(profile[i].num); 1415a2cc190SJeff Kirsher profile[i].size *= profile[i].num; 1425a2cc190SJeff Kirsher profile[i].size = max(profile[i].size, (u64) PAGE_SIZE); 1435a2cc190SJeff Kirsher } 1445a2cc190SJeff Kirsher 1455a2cc190SJeff Kirsher /* 1465a2cc190SJeff Kirsher * Sort the resources in decreasing order of size. Since they 1475a2cc190SJeff Kirsher * all have sizes that are powers of 2, we'll be able to keep 1485a2cc190SJeff Kirsher * resources aligned to their size and pack them without gaps 1495a2cc190SJeff Kirsher * using the sorted order. 1505a2cc190SJeff Kirsher */ 1515a2cc190SJeff Kirsher for (i = MLX4_RES_NUM; i > 0; --i) 1525a2cc190SJeff Kirsher for (j = 1; j < i; ++j) { 1535a2cc190SJeff Kirsher if (profile[j].size > profile[j - 1].size) { 1545a2cc190SJeff Kirsher tmp = profile[j]; 1555a2cc190SJeff Kirsher profile[j] = profile[j - 1]; 1565a2cc190SJeff Kirsher profile[j - 1] = tmp; 1575a2cc190SJeff Kirsher } 1585a2cc190SJeff Kirsher } 1595a2cc190SJeff Kirsher 1605a2cc190SJeff Kirsher for (i = 0; i < MLX4_RES_NUM; ++i) { 1615a2cc190SJeff Kirsher if (profile[i].size) { 1625a2cc190SJeff Kirsher profile[i].start = total_size; 1635a2cc190SJeff Kirsher total_size += profile[i].size; 1645a2cc190SJeff Kirsher } 1655a2cc190SJeff Kirsher 1665a2cc190SJeff Kirsher if (total_size > dev_cap->max_icm_sz) { 1671a91de28SJoe Perches mlx4_err(dev, "Profile requires 0x%llx bytes; won't fit in 0x%llx bytes of context memory\n", 1685a2cc190SJeff Kirsher (unsigned long long) total_size, 1695a2cc190SJeff Kirsher (unsigned long long) dev_cap->max_icm_sz); 1705a2cc190SJeff Kirsher kfree(profile); 1715a2cc190SJeff Kirsher return -ENOMEM; 1725a2cc190SJeff Kirsher } 1735a2cc190SJeff Kirsher 1745a2cc190SJeff Kirsher if (profile[i].size) 1751a91de28SJoe Perches mlx4_dbg(dev, " profile[%2d] (%6s): 2^%02d entries @ 0x%10llx, size 0x%10llx\n", 1761a91de28SJoe Perches i, res_name[profile[i].type], 1771a91de28SJoe Perches profile[i].log_num, 1785a2cc190SJeff Kirsher (unsigned long long) profile[i].start, 1795a2cc190SJeff Kirsher (unsigned long long) profile[i].size); 1805a2cc190SJeff Kirsher } 1815a2cc190SJeff Kirsher 1825a2cc190SJeff Kirsher mlx4_dbg(dev, "HCA context memory: reserving %d KB\n", 1835a2cc190SJeff Kirsher (int) (total_size >> 10)); 1845a2cc190SJeff Kirsher 1855a2cc190SJeff Kirsher for (i = 0; i < MLX4_RES_NUM; ++i) { 1865a2cc190SJeff Kirsher switch (profile[i].type) { 1875a2cc190SJeff Kirsher case MLX4_RES_QP: 1885a2cc190SJeff Kirsher dev->caps.num_qps = profile[i].num; 1895a2cc190SJeff Kirsher init_hca->qpc_base = profile[i].start; 1905a2cc190SJeff Kirsher init_hca->log_num_qps = profile[i].log_num; 1915a2cc190SJeff Kirsher break; 1925a2cc190SJeff Kirsher case MLX4_RES_RDMARC: 1935a2cc190SJeff Kirsher for (priv->qp_table.rdmarc_shift = 0; 1945a2cc190SJeff Kirsher request->num_qp << priv->qp_table.rdmarc_shift < profile[i].num; 1955a2cc190SJeff Kirsher ++priv->qp_table.rdmarc_shift) 1965a2cc190SJeff Kirsher ; /* nothing */ 1975a2cc190SJeff Kirsher dev->caps.max_qp_dest_rdma = 1 << priv->qp_table.rdmarc_shift; 1985a2cc190SJeff Kirsher priv->qp_table.rdmarc_base = (u32) profile[i].start; 1995a2cc190SJeff Kirsher init_hca->rdmarc_base = profile[i].start; 2005a2cc190SJeff Kirsher init_hca->log_rd_per_qp = priv->qp_table.rdmarc_shift; 2015a2cc190SJeff Kirsher break; 2025a2cc190SJeff Kirsher case MLX4_RES_ALTC: 2035a2cc190SJeff Kirsher init_hca->altc_base = profile[i].start; 2045a2cc190SJeff Kirsher break; 2055a2cc190SJeff Kirsher case MLX4_RES_AUXC: 2065a2cc190SJeff Kirsher init_hca->auxc_base = profile[i].start; 2075a2cc190SJeff Kirsher break; 2085a2cc190SJeff Kirsher case MLX4_RES_SRQ: 2095a2cc190SJeff Kirsher dev->caps.num_srqs = profile[i].num; 2105a2cc190SJeff Kirsher init_hca->srqc_base = profile[i].start; 2115a2cc190SJeff Kirsher init_hca->log_num_srqs = profile[i].log_num; 2125a2cc190SJeff Kirsher break; 2135a2cc190SJeff Kirsher case MLX4_RES_CQ: 2145a2cc190SJeff Kirsher dev->caps.num_cqs = profile[i].num; 2155a2cc190SJeff Kirsher init_hca->cqc_base = profile[i].start; 2165a2cc190SJeff Kirsher init_hca->log_num_cqs = profile[i].log_num; 2175a2cc190SJeff Kirsher break; 2185a2cc190SJeff Kirsher case MLX4_RES_EQ: 2193fc929e2SMarcel Apfelbaum dev->caps.num_eqs = roundup_pow_of_two(min_t(unsigned, dev_cap->max_eqs, 2203fc929e2SMarcel Apfelbaum MAX_MSIX)); 2215a2cc190SJeff Kirsher init_hca->eqc_base = profile[i].start; 2223fc929e2SMarcel Apfelbaum init_hca->log_num_eqs = ilog2(dev->caps.num_eqs); 2235a2cc190SJeff Kirsher break; 2245a2cc190SJeff Kirsher case MLX4_RES_DMPT: 2255a2cc190SJeff Kirsher dev->caps.num_mpts = profile[i].num; 2265a2cc190SJeff Kirsher priv->mr_table.mpt_base = profile[i].start; 2275a2cc190SJeff Kirsher init_hca->dmpt_base = profile[i].start; 2285a2cc190SJeff Kirsher init_hca->log_mpt_sz = profile[i].log_num; 2295a2cc190SJeff Kirsher break; 2305a2cc190SJeff Kirsher case MLX4_RES_CMPT: 2315a2cc190SJeff Kirsher init_hca->cmpt_base = profile[i].start; 2325a2cc190SJeff Kirsher break; 2335a2cc190SJeff Kirsher case MLX4_RES_MTT: 2342b8fb286SMarcel Apfelbaum dev->caps.num_mtts = profile[i].num; 2355a2cc190SJeff Kirsher priv->mr_table.mtt_base = profile[i].start; 2365a2cc190SJeff Kirsher init_hca->mtt_base = profile[i].start; 2375a2cc190SJeff Kirsher break; 2385a2cc190SJeff Kirsher case MLX4_RES_MCG: 2395a2cc190SJeff Kirsher init_hca->mc_base = profile[i].start; 2400ec2c0f8SEugenia Emantayev init_hca->log_mc_entry_sz = 2410ec2c0f8SEugenia Emantayev ilog2(mlx4_get_mgm_entry_size(dev)); 2425a2cc190SJeff Kirsher init_hca->log_mc_table_sz = profile[i].log_num; 2430ff1fb65SHadar Hen Zion if (dev->caps.steering_mode == 2440ff1fb65SHadar Hen Zion MLX4_STEERING_MODE_DEVICE_MANAGED) { 2450ff1fb65SHadar Hen Zion dev->caps.num_mgms = profile[i].num; 2460ff1fb65SHadar Hen Zion } else { 2470ff1fb65SHadar Hen Zion init_hca->log_mc_hash_sz = 2480ff1fb65SHadar Hen Zion profile[i].log_num - 1; 2490ff1fb65SHadar Hen Zion dev->caps.num_mgms = profile[i].num >> 1; 2500ff1fb65SHadar Hen Zion dev->caps.num_amgms = profile[i].num >> 1; 2510ff1fb65SHadar Hen Zion } 2525a2cc190SJeff Kirsher break; 2535a2cc190SJeff Kirsher default: 2545a2cc190SJeff Kirsher break; 2555a2cc190SJeff Kirsher } 2565a2cc190SJeff Kirsher } 2575a2cc190SJeff Kirsher 2585a2cc190SJeff Kirsher /* 2595a2cc190SJeff Kirsher * PDs don't take any HCA memory, but we assign them as part 2605a2cc190SJeff Kirsher * of the HCA profile anyway. 2615a2cc190SJeff Kirsher */ 2625a2cc190SJeff Kirsher dev->caps.num_pds = MLX4_NUM_PDS; 2635a2cc190SJeff Kirsher 2645a2cc190SJeff Kirsher kfree(profile); 2655a2cc190SJeff Kirsher return total_size; 2665a2cc190SJeff Kirsher } 267