| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| Roland Dreier | 5242 | 31.69% | 9 | 4.79% |
| Jack Morgenstein | 2392 | 14.46% | 39 | 20.74% |
| Matan Barak | 1759 | 10.63% | 14 | 7.45% |
| Marcel Apfelbaum | 1393 | 8.42% | 3 | 1.60% |
| Or Gerlitz | 864 | 5.22% | 18 | 9.57% |
| Hadar Hen Zion | 829 | 5.01% | 7 | 3.72% |
| Yevgeny Petrilin | 643 | 3.89% | 16 | 8.51% |
| Saeed Mahameed | 511 | 3.09% | 3 | 1.60% |
| Moshe Shemesh | 469 | 2.83% | 4 | 2.13% |
| Ido Shamay | 387 | 2.34% | 7 | 3.72% |
| Moni Shoua | 360 | 2.18% | 3 | 1.60% |
| Aya Levin | 226 | 1.37% | 2 | 1.06% |
| Rony Efraim | 201 | 1.21% | 5 | 2.66% |
| Eugenia Emantayev | 185 | 1.12% | 4 | 2.13% |
| Mark Bloch | 156 | 0.94% | 2 | 1.06% |
| Eli Cohen | 117 | 0.71% | 7 | 3.72% |
| Shlomo Pongratz | 112 | 0.68% | 1 | 0.53% |
| Eran Ben Elisha | 98 | 0.59% | 3 | 1.60% |
| Shani Michaelli | 94 | 0.57% | 3 | 1.60% |
| Majd Dibbiny | 71 | 0.43% | 1 | 0.53% |
| Vladimir Sokolovsky | 71 | 0.43% | 1 | 0.53% |
| Maor Gottlieb | 48 | 0.29% | 2 | 1.06% |
| David Ahern | 43 | 0.26% | 1 | 0.53% |
| Inbar Karmy | 43 | 0.26% | 1 | 0.53% |
| Muhammad Mahajna | 36 | 0.22% | 1 | 0.53% |
| Sean Hefty | 27 | 0.16% | 1 | 0.53% |
| Amir Vadai | 24 | 0.15% | 3 | 1.60% |
| Daniel Jurgens | 22 | 0.13% | 1 | 0.53% |
| Marina Varshaver | 18 | 0.11% | 1 | 0.53% |
| Alex Vesker | 15 | 0.09% | 1 | 0.53% |
| Dotan Barak | 14 | 0.08% | 2 | 1.06% |
| Shay Drory | 14 | 0.08% | 1 | 0.53% |
| Yishai Hadas | 12 | 0.07% | 2 | 1.06% |
| Rana Shahout | 8 | 0.05% | 1 | 0.53% |
| Joe Perches | 7 | 0.04% | 1 | 0.53% |
| Thomas Meyer | 5 | 0.03% | 1 | 0.53% |
| Eyal Perry | 4 | 0.02% | 1 | 0.53% |
| Jason Gunthorpe | 3 | 0.02% | 1 | 0.53% |
| Yury Norov | 3 | 0.02% | 1 | 0.53% |
| Linus Torvalds | 3 | 0.02% | 2 | 1.06% |
| Paul Gortmaker | 3 | 0.02% | 1 | 0.53% |
| Qiushi Wu | 3 | 0.02% | 1 | 0.53% |
| Tariq Toukan | 2 | 0.01% | 2 | 1.06% |
| Moshe Lazer | 1 | 0.01% | 1 | 0.53% |
| Rusty Russell | 1 | 0.01% | 1 | 0.53% |
| Leon Romanovsky | 1 | 0.01% | 1 | 0.53% |
| Wolfram Sang | 1 | 0.01% | 1 | 0.53% |
| Masanari Iida | 1 | 0.01% | 1 | 0.53% |
| Jakub Kiciński | 1 | 0.01% | 1 | 0.53% |
| Shaker Daibes | 1 | 0.01% | 1 | 0.53% |
| Total | 16544 | 188 |
/* * Copyright (c) 2004, 2005 Topspin Communications. All rights reserved. * Copyright (c) 2005, 2006, 2007, 2008 Mellanox Technologies. All rights reserved. * Copyright (c) 2005, 2006, 2007 Cisco Systems, Inc. All rights reserved. * * This software is available to you under a choice of one of two * licenses. You may choose to be licensed under the terms of the GNU * General Public License (GPL) Version 2, available from the file * COPYING in the main directory of this source tree, or the * OpenIB.org BSD license below: * * Redistribution and use in source and binary forms, with or * without modification, are permitted provided that the following * conditions are met: * * - Redistributions of source code must retain the above * copyright notice, this list of conditions and the following * disclaimer. * * - Redistributions in binary form must reproduce the above * copyright notice, this list of conditions and the following * disclaimer in the documentation and/or other materials * provided with the distribution. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE * SOFTWARE. */ #include <linux/etherdevice.h> #include <linux/mlx4/cmd.h> #include <linux/module.h> #include <linux/cache.h> #include <linux/kernel.h> #include <uapi/rdma/mlx4-abi.h> #include "fw.h" #include "icm.h" enum { MLX4_COMMAND_INTERFACE_MIN_REV = 2, MLX4_COMMAND_INTERFACE_MAX_REV = 3, MLX4_COMMAND_INTERFACE_NEW_PORT_CMDS = 3, }; extern void __buggy_use_of_MLX4_GET(void); extern void __buggy_use_of_MLX4_PUT(void); static bool enable_qos; module_param(enable_qos, bool, 0444); MODULE_PARM_DESC(enable_qos, "Enable Enhanced QoS support (default: off)"); #define MLX4_GET(dest, source, offset) \ do { \ void *__p = (char *) (source) + (offset); \ __be64 val; \ switch (sizeof(dest)) { \ case 1: (dest) = *(u8 *) __p; break; \ case 2: (dest) = be16_to_cpup(__p); break; \ case 4: (dest) = be32_to_cpup(__p); break; \ case 8: val = get_unaligned((__be64 *)__p); \ (dest) = be64_to_cpu(val); break; \ default: __buggy_use_of_MLX4_GET(); \ } \ } while (0) #define MLX4_PUT(dest, source, offset) \ do { \ void *__d = ((char *) (dest) + (offset)); \ switch (sizeof(source)) { \ case 1: *(u8 *) __d = (source); break; \ case 2: *(__be16 *) __d = cpu_to_be16(source); break; \ case 4: *(__be32 *) __d = cpu_to_be32(source); break; \ case 8: *(__be64 *) __d = cpu_to_be64(source); break; \ default: __buggy_use_of_MLX4_PUT(); \ } \ } while (0) static void dump_dev_cap_flags(struct mlx4_dev *dev, u64 flags) { static const char *fname[] = { [ 0] = "RC transport", [ 1] = "UC transport", [ 2] = "UD transport", [ 3] = "XRC transport", [ 6] = "SRQ support", [ 7] = "IPoIB checksum offload", [ 8] = "P_Key violation counter", [ 9] = "Q_Key violation counter", [12] = "Dual Port Different Protocol (DPDP) support", [15] = "Big LSO headers", [16] = "MW support", [17] = "APM support", [18] = "Atomic ops support", [19] = "Raw multicast support", [20] = "Address vector port checking support", [21] = "UD multicast support", [30] = "IBoE support", [32] = "Unicast loopback support", [34] = "FCS header control", [37] = "Wake On LAN (port1) support", [38] = "Wake On LAN (port2) support", [40] = "UDP RSS support", [41] = "Unicast VEP steering support", [42] = "Multicast VEP steering support", [48] = "Counters support", [52] = "RSS IP fragments support", [53] = "Port ETS Scheduler support", [55] = "Port link type sensing support", [59] = "Port management change event support", [61] = "64 byte EQE support", [62] = "64 byte CQE support", }; int i; mlx4_dbg(dev, "DEV_CAP flags:\n"); for (i = 0; i < ARRAY_SIZE(fname); ++i) if (fname[i] && (flags & (1LL << i))) mlx4_dbg(dev, " %s\n", fname[i]); } static void dump_dev_cap_flags2(struct mlx4_dev *dev, u64 flags) { static const char * const fname[] = { [0] = "RSS support", [1] = "RSS Toeplitz Hash Function support", [2] = "RSS XOR Hash Function support", [3] = "Device managed flow steering support", [4] = "Automatic MAC reassignment support", [5] = "Time stamping support", [6] = "VST (control vlan insertion/stripping) support", [7] = "FSM (MAC anti-spoofing) support", [8] = "Dynamic QP updates support", [9] = "Device managed flow steering IPoIB support", [10] = "TCP/IP offloads/flow-steering for VXLAN support", [11] = "MAD DEMUX (Secure-Host) support", [12] = "Large cache line (>64B) CQE stride support", [13] = "Large cache line (>64B) EQE stride support", [14] = "Ethernet protocol control support", [15] = "Ethernet Backplane autoneg support", [16] = "CONFIG DEV support", [17] = "Asymmetric EQs support", [18] = "More than 80 VFs support", [19] = "Performance optimized for limited rule configuration flow steering support", [20] = "Recoverable error events support", [21] = "Port Remap support", [22] = "QCN support", [23] = "QP rate limiting support", [24] = "Ethernet Flow control statistics support", [25] = "Granular QoS per VF support", [26] = "Port ETS Scheduler support", [27] = "Port beacon support", [28] = "RX-ALL support", [29] = "802.1ad offload support", [31] = "Modifying loopback source checks using UPDATE_QP support", [32] = "Loopback source checks support", [33] = "RoCEv2 support", [34] = "DMFS Sniffer support (UC & MC)", [35] = "Diag counters per port", [36] = "QinQ VST mode support", [37] = "sl to vl mapping table change event support", [38] = "user MAC support", [39] = "Report driver version to FW support", [40] = "SW CQ initialization support", }; int i; for (i = 0; i < ARRAY_SIZE(fname); ++i) if (fname[i] && (flags & (1LL << i))) mlx4_dbg(dev, " %s\n", fname[i]); } int mlx4_MOD_STAT_CFG(struct mlx4_dev *dev, struct mlx4_mod_stat_cfg *cfg) { struct mlx4_cmd_mailbox *mailbox; u32 *inbox; int err = 0; #define MOD_STAT_CFG_IN_SIZE 0x100 #define MOD_STAT_CFG_PG_SZ_M_OFFSET 0x002 #define MOD_STAT_CFG_PG_SZ_OFFSET 0x003 mailbox = mlx4_alloc_cmd_mailbox(dev); if (IS_ERR(mailbox)) return PTR_ERR(mailbox); inbox = mailbox->buf; MLX4_PUT(inbox, cfg->log_pg_sz, MOD_STAT_CFG_PG_SZ_OFFSET); MLX4_PUT(inbox, cfg->log_pg_sz_m, MOD_STAT_CFG_PG_SZ_M_OFFSET); err = mlx4_cmd(dev, mailbox->dma, 0, 0, MLX4_CMD_MOD_STAT_CFG, MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE); mlx4_free_cmd_mailbox(dev, mailbox); return err; } int mlx4_QUERY_FUNC(struct mlx4_dev *dev, struct mlx4_func *func, int slave) { struct mlx4_cmd_mailbox *mailbox; u32 *outbox; u8 in_modifier; u8 field; u16 field16; int err; #define QUERY_FUNC_BUS_OFFSET 0x00 #define QUERY_FUNC_DEVICE_OFFSET 0x01 #define QUERY_FUNC_FUNCTION_OFFSET 0x01 #define QUERY_FUNC_PHYSICAL_FUNCTION_OFFSET 0x03 #define QUERY_FUNC_RSVD_EQS_OFFSET 0x04 #define QUERY_FUNC_MAX_EQ_OFFSET 0x06 #define QUERY_FUNC_RSVD_UARS_OFFSET 0x0b mailbox = mlx4_alloc_cmd_mailbox(dev); if (IS_ERR(mailbox)) return PTR_ERR(mailbox); outbox = mailbox->buf; in_modifier = slave; err = mlx4_cmd_box(dev, 0, mailbox->dma, in_modifier, 0, MLX4_CMD_QUERY_FUNC, MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE); if (err) goto out; MLX4_GET(field, outbox, QUERY_FUNC_BUS_OFFSET); func->bus = field & 0xf; MLX4_GET(field, outbox, QUERY_FUNC_DEVICE_OFFSET); func->device = field & 0xf1; MLX4_GET(field, outbox, QUERY_FUNC_FUNCTION_OFFSET); func->function = field & 0x7; MLX4_GET(field, outbox, QUERY_FUNC_PHYSICAL_FUNCTION_OFFSET); func->physical_function = field & 0xf; MLX4_GET(field16, outbox, QUERY_FUNC_RSVD_EQS_OFFSET); func->rsvd_eqs = field16 & 0xffff; MLX4_GET(field16, outbox, QUERY_FUNC_MAX_EQ_OFFSET); func->max_eq = field16 & 0xffff; MLX4_GET(field, outbox, QUERY_FUNC_RSVD_UARS_OFFSET); func->rsvd_uars = field & 0x0f; mlx4_dbg(dev, "Bus: %d, Device: %d, Function: %d, Physical function: %d, Max EQs: %d, Reserved EQs: %d, Reserved UARs: %d\n", func->bus, func->device, func->function, func->physical_function, func->max_eq, func->rsvd_eqs, func->rsvd_uars); out: mlx4_free_cmd_mailbox(dev, mailbox); return err; } static int mlx4_activate_vst_qinq(struct mlx4_priv *priv, int slave, int port) { struct mlx4_vport_oper_state *vp_oper; struct mlx4_vport_state *vp_admin; int err; vp_oper = &priv->mfunc.master.vf_oper[slave].vport[port]; vp_admin = &priv->mfunc.master.vf_admin[slave].vport[port]; if (vp_admin->default_vlan != vp_oper->state.default_vlan) { err = __mlx4_register_vlan(&priv->dev, port, vp_admin->default_vlan, &vp_oper->vlan_idx); if (err) { vp_oper->vlan_idx = NO_INDX; mlx4_warn(&priv->dev, "No vlan resources slave %d, port %d\n", slave, port); return err; } mlx4_dbg(&priv->dev, "alloc vlan %d idx %d slave %d port %d\n", (int)(vp_oper->state.default_vlan), vp_oper->vlan_idx, slave, port); } vp_oper->state.vlan_proto = vp_admin->vlan_proto; vp_oper->state.default_vlan = vp_admin->default_vlan; vp_oper->state.default_qos = vp_admin->default_qos; return 0; } static int mlx4_handle_vst_qinq(struct mlx4_priv *priv, int slave, int port) { struct mlx4_vport_oper_state *vp_oper; struct mlx4_slave_state *slave_state; struct mlx4_vport_state *vp_admin; int err; vp_oper = &priv->mfunc.master.vf_oper[slave].vport[port]; vp_admin = &priv->mfunc.master.vf_admin[slave].vport[port]; slave_state = &priv->mfunc.master.slave_state[slave]; if ((vp_admin->vlan_proto != htons(ETH_P_8021AD)) || (!slave_state->active)) return 0; if (vp_oper->state.vlan_proto == vp_admin->vlan_proto && vp_oper->state.default_vlan == vp_admin->default_vlan && vp_oper->state.default_qos == vp_admin->default_qos) return 0; if (!slave_state->vst_qinq_supported) { /* Warn and revert the request to set vst QinQ mode */ vp_admin->vlan_proto = vp_oper->state.vlan_proto; vp_admin->default_vlan = vp_oper->state.default_vlan; vp_admin->default_qos = vp_oper->state.default_qos; mlx4_warn(&priv->dev, "Slave %d does not support VST QinQ mode\n", slave); return 0; } err = mlx4_activate_vst_qinq(priv, slave, port); return err; } int mlx4_QUERY_FUNC_CAP_wrapper(struct mlx4_dev *dev, int slave, struct mlx4_vhcr *vhcr, struct mlx4_cmd_mailbox *inbox, struct mlx4_cmd_mailbox *outbox, struct mlx4_cmd_info *cmd) { struct mlx4_priv *priv = mlx4_priv(dev); u8 field, port; u32 size, proxy_qp, qkey; int err = 0; struct mlx4_func func; #define QUERY_FUNC_CAP_FLAGS_OFFSET 0x0 #define QUERY_FUNC_CAP_NUM_PORTS_OFFSET 0x1 #define QUERY_FUNC_CAP_PF_BHVR_OFFSET 0x4 #define QUERY_FUNC_CAP_FMR_OFFSET 0x8 #define QUERY_FUNC_CAP_QP_QUOTA_OFFSET_DEP 0x10 #define QUERY_FUNC_CAP_CQ_QUOTA_OFFSET_DEP 0x14 #define QUERY_FUNC_CAP_SRQ_QUOTA_OFFSET_DEP 0x18 #define QUERY_FUNC_CAP_MPT_QUOTA_OFFSET_DEP 0x20 #define QUERY_FUNC_CAP_MTT_QUOTA_OFFSET_DEP 0x24 #define QUERY_FUNC_CAP_MCG_QUOTA_OFFSET_DEP 0x28 #define QUERY_FUNC_CAP_MAX_EQ_OFFSET 0x2c #define QUERY_FUNC_CAP_RESERVED_EQ_OFFSET 0x30 #define QUERY_FUNC_CAP_QP_RESD_LKEY_OFFSET 0x48 #define QUERY_FUNC_CAP_QP_QUOTA_OFFSET 0x50 #define QUERY_FUNC_CAP_CQ_QUOTA_OFFSET 0x54 #define QUERY_FUNC_CAP_SRQ_QUOTA_OFFSET 0x58 #define QUERY_FUNC_CAP_MPT_QUOTA_OFFSET 0x60 #define QUERY_FUNC_CAP_MTT_QUOTA_OFFSET 0x64 #define QUERY_FUNC_CAP_MCG_QUOTA_OFFSET 0x68 #define QUERY_FUNC_CAP_EXTRA_FLAGS_OFFSET 0x6c #define QUERY_FUNC_CAP_FMR_FLAG 0x80 #define QUERY_FUNC_CAP_FLAG_RDMA 0x40 #define QUERY_FUNC_CAP_FLAG_ETH 0x80 #define QUERY_FUNC_CAP_FLAG_QUOTAS 0x10 #define QUERY_FUNC_CAP_FLAG_RESD_LKEY 0x08 #define QUERY_FUNC_CAP_FLAG_VALID_MAILBOX 0x04 #define QUERY_FUNC_CAP_EXTRA_FLAGS_BF_QP_ALLOC_FLAG (1UL << 31) #define QUERY_FUNC_CAP_EXTRA_FLAGS_A0_QP_ALLOC_FLAG (1UL << 30) /* when opcode modifier = 1 */ #define QUERY_FUNC_CAP_PHYS_PORT_OFFSET 0x3 #define QUERY_FUNC_CAP_PRIV_VF_QKEY_OFFSET 0x4 #define QUERY_FUNC_CAP_FLAGS0_OFFSET 0x8 #define QUERY_FUNC_CAP_FLAGS1_OFFSET 0xc #define QUERY_FUNC_CAP_QP0_TUNNEL 0x10 #define QUERY_FUNC_CAP_QP0_PROXY 0x14 #define QUERY_FUNC_CAP_QP1_TUNNEL 0x18 #define QUERY_FUNC_CAP_QP1_PROXY 0x1c #define QUERY_FUNC_CAP_PHYS_PORT_ID 0x28 #define QUERY_FUNC_CAP_FLAGS1_FORCE_MAC 0x40 #define QUERY_FUNC_CAP_FLAGS1_FORCE_VLAN 0x80 #define QUERY_FUNC_CAP_FLAGS1_NIC_INFO 0x10 #define QUERY_FUNC_CAP_VF_ENABLE_QP0 0x08 #define QUERY_FUNC_CAP_FLAGS0_FORCE_PHY_WQE_GID 0x80 #define QUERY_FUNC_CAP_PHV_BIT 0x40 #define QUERY_FUNC_CAP_VLAN_OFFLOAD_DISABLE 0x20 #define QUERY_FUNC_CAP_SUPPORTS_VST_QINQ BIT(30) #define QUERY_FUNC_CAP_SUPPORTS_NON_POWER_OF_2_NUM_EQS BIT(31) if (vhcr->op_modifier == 1) { struct mlx4_active_ports actv_ports = mlx4_get_active_ports(dev, slave); int converted_port = mlx4_slave_convert_port( dev, slave, vhcr->in_modifier); struct mlx4_vport_oper_state *vp_oper; if (converted_port < 0) return -EINVAL; vhcr->in_modifier = converted_port; /* phys-port = logical-port */ field = vhcr->in_modifier - find_first_bit(actv_ports.ports, dev->caps.num_ports); MLX4_PUT(outbox->buf, field, QUERY_FUNC_CAP_PHYS_PORT_OFFSET); port = vhcr->in_modifier; proxy_qp = dev->phys_caps.base_proxy_sqpn + 8 * slave + port - 1; /* Set nic_info bit to mark new fields support */ field = QUERY_FUNC_CAP_FLAGS1_NIC_INFO; if (mlx4_vf_smi_enabled(dev, slave, port) && !mlx4_get_parav_qkey(dev, proxy_qp, &qkey)) { field |= QUERY_FUNC_CAP_VF_ENABLE_QP0; MLX4_PUT(outbox->buf, qkey, QUERY_FUNC_CAP_PRIV_VF_QKEY_OFFSET); } MLX4_PUT(outbox->buf, field, QUERY_FUNC_CAP_FLAGS1_OFFSET); /* size is now the QP number */ size = dev->phys_caps.base_tunnel_sqpn + 8 * slave + port - 1; MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_QP0_TUNNEL); size += 2; MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_QP1_TUNNEL); MLX4_PUT(outbox->buf, proxy_qp, QUERY_FUNC_CAP_QP0_PROXY); proxy_qp += 2; MLX4_PUT(outbox->buf, proxy_qp, QUERY_FUNC_CAP_QP1_PROXY); MLX4_PUT(outbox->buf, dev->caps.phys_port_id[vhcr->in_modifier], QUERY_FUNC_CAP_PHYS_PORT_ID); vp_oper = &priv->mfunc.master.vf_oper[slave].vport[port]; err = mlx4_handle_vst_qinq(priv, slave, port); if (err) return err; field = 0; if (dev->caps.phv_bit[port]) field |= QUERY_FUNC_CAP_PHV_BIT; if (vp_oper->state.vlan_proto == htons(ETH_P_8021AD)) field |= QUERY_FUNC_CAP_VLAN_OFFLOAD_DISABLE; MLX4_PUT(outbox->buf, field, QUERY_FUNC_CAP_FLAGS0_OFFSET); } else if (vhcr->op_modifier == 0) { struct mlx4_active_ports actv_ports = mlx4_get_active_ports(dev, slave); struct mlx4_slave_state *slave_state = &priv->mfunc.master.slave_state[slave]; /* enable rdma and ethernet interfaces, new quota locations, * and reserved lkey */ field = (QUERY_FUNC_CAP_FLAG_ETH | QUERY_FUNC_CAP_FLAG_RDMA | QUERY_FUNC_CAP_FLAG_QUOTAS | QUERY_FUNC_CAP_FLAG_VALID_MAILBOX | QUERY_FUNC_CAP_FLAG_RESD_LKEY); MLX4_PUT(outbox->buf, field, QUERY_FUNC_CAP_FLAGS_OFFSET); field = min( bitmap_weight(actv_ports.ports, dev->caps.num_ports), (unsigned int) dev->caps.num_ports); MLX4_PUT(outbox->buf, field, QUERY_FUNC_CAP_NUM_PORTS_OFFSET); size = dev->caps.function_caps; /* set PF behaviours */ MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_PF_BHVR_OFFSET); field = 0; /* protected FMR support not available as yet */ MLX4_PUT(outbox->buf, field, QUERY_FUNC_CAP_FMR_OFFSET); size = priv->mfunc.master.res_tracker.res_alloc[RES_QP].quota[slave]; MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_QP_QUOTA_OFFSET); size = dev->caps.num_qps; MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_QP_QUOTA_OFFSET_DEP); size = priv->mfunc.master.res_tracker.res_alloc[RES_SRQ].quota[slave]; MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_SRQ_QUOTA_OFFSET); size = dev->caps.num_srqs; MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_SRQ_QUOTA_OFFSET_DEP); size = priv->mfunc.master.res_tracker.res_alloc[RES_CQ].quota[slave]; MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_CQ_QUOTA_OFFSET); size = dev->caps.num_cqs; MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_CQ_QUOTA_OFFSET_DEP); if (!(dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_SYS_EQS) || mlx4_QUERY_FUNC(dev, &func, slave)) { size = vhcr->in_modifier & QUERY_FUNC_CAP_SUPPORTS_NON_POWER_OF_2_NUM_EQS ? dev->caps.num_eqs : rounddown_pow_of_two(dev->caps.num_eqs); MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_MAX_EQ_OFFSET); size = dev->caps.reserved_eqs; MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_RESERVED_EQ_OFFSET); } else { size = vhcr->in_modifier & QUERY_FUNC_CAP_SUPPORTS_NON_POWER_OF_2_NUM_EQS ? func.max_eq : rounddown_pow_of_two(func.max_eq); MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_MAX_EQ_OFFSET); size = func.rsvd_eqs; MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_RESERVED_EQ_OFFSET); } size = priv->mfunc.master.res_tracker.res_alloc[RES_MPT].quota[slave]; MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_MPT_QUOTA_OFFSET); size = dev->caps.num_mpts; MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_MPT_QUOTA_OFFSET_DEP); size = priv->mfunc.master.res_tracker.res_alloc[RES_MTT].quota[slave]; MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_MTT_QUOTA_OFFSET); size = dev->caps.num_mtts; MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_MTT_QUOTA_OFFSET_DEP); size = dev->caps.num_mgms + dev->caps.num_amgms; MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_MCG_QUOTA_OFFSET); MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_MCG_QUOTA_OFFSET_DEP); size = QUERY_FUNC_CAP_EXTRA_FLAGS_BF_QP_ALLOC_FLAG | QUERY_FUNC_CAP_EXTRA_FLAGS_A0_QP_ALLOC_FLAG; MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_EXTRA_FLAGS_OFFSET); size = dev->caps.reserved_lkey + ((slave << 8) & 0xFF00); MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_QP_RESD_LKEY_OFFSET); if (vhcr->in_modifier & QUERY_FUNC_CAP_SUPPORTS_VST_QINQ) slave_state->vst_qinq_supported = true; } else err = -EINVAL; return err; } int mlx4_QUERY_FUNC_CAP(struct mlx4_dev *dev, u8 gen_or_port, struct mlx4_func_cap *func_cap) { struct mlx4_cmd_mailbox *mailbox; u32 *outbox; u8 field, op_modifier; u32 size, qkey; int err = 0, quotas = 0; u32 in_modifier; u32 slave_caps; op_modifier = !!gen_or_port; /* 0 = general, 1 = logical port */ slave_caps = QUERY_FUNC_CAP_SUPPORTS_VST_QINQ | QUERY_FUNC_CAP_SUPPORTS_NON_POWER_OF_2_NUM_EQS; in_modifier = op_modifier ? gen_or_port : slave_caps; mailbox = mlx4_alloc_cmd_mailbox(dev); if (IS_ERR(mailbox)) return PTR_ERR(mailbox); err = mlx4_cmd_box(dev, 0, mailbox->dma, in_modifier, op_modifier, MLX4_CMD_QUERY_FUNC_CAP, MLX4_CMD_TIME_CLASS_A, MLX4_CMD_WRAPPED); if (err) goto out; outbox = mailbox->buf; if (!op_modifier) { MLX4_GET(field, outbox, QUERY_FUNC_CAP_FLAGS_OFFSET); if (!(field & (QUERY_FUNC_CAP_FLAG_ETH | QUERY_FUNC_CAP_FLAG_RDMA))) { mlx4_err(dev, "The host supports neither eth nor rdma interfaces\n"); err = -EPROTONOSUPPORT; goto out; } func_cap->flags = field; quotas = !!(func_cap->flags & QUERY_FUNC_CAP_FLAG_QUOTAS); MLX4_GET(field, outbox, QUERY_FUNC_CAP_NUM_PORTS_OFFSET); func_cap->num_ports = field; MLX4_GET(size, outbox, QUERY_FUNC_CAP_PF_BHVR_OFFSET); func_cap->pf_context_behaviour = size; if (quotas) { MLX4_GET(size, outbox, QUERY_FUNC_CAP_QP_QUOTA_OFFSET); func_cap->qp_quota = size & 0xFFFFFF; MLX4_GET(size, outbox, QUERY_FUNC_CAP_SRQ_QUOTA_OFFSET); func_cap->srq_quota = size & 0xFFFFFF; MLX4_GET(size, outbox, QUERY_FUNC_CAP_CQ_QUOTA_OFFSET); func_cap->cq_quota = size & 0xFFFFFF; MLX4_GET(size, outbox, QUERY_FUNC_CAP_MPT_QUOTA_OFFSET); func_cap->mpt_quota = size & 0xFFFFFF; MLX4_GET(size, outbox, QUERY_FUNC_CAP_MTT_QUOTA_OFFSET); func_cap->mtt_quota = size & 0xFFFFFF; MLX4_GET(size, outbox, QUERY_FUNC_CAP_MCG_QUOTA_OFFSET); func_cap->mcg_quota = size & 0xFFFFFF; } else { MLX4_GET(size, outbox, QUERY_FUNC_CAP_QP_QUOTA_OFFSET_DEP); func_cap->qp_quota = size & 0xFFFFFF; MLX4_GET(size, outbox, QUERY_FUNC_CAP_SRQ_QUOTA_OFFSET_DEP); func_cap->srq_quota = size & 0xFFFFFF; MLX4_GET(size, outbox, QUERY_FUNC_CAP_CQ_QUOTA_OFFSET_DEP); func_cap->cq_quota = size & 0xFFFFFF; MLX4_GET(size, outbox, QUERY_FUNC_CAP_MPT_QUOTA_OFFSET_DEP); func_cap->mpt_quota = size & 0xFFFFFF; MLX4_GET(size, outbox, QUERY_FUNC_CAP_MTT_QUOTA_OFFSET_DEP); func_cap->mtt_quota = size & 0xFFFFFF; MLX4_GET(size, outbox, QUERY_FUNC_CAP_MCG_QUOTA_OFFSET_DEP); func_cap->mcg_quota = size & 0xFFFFFF; } MLX4_GET(size, outbox, QUERY_FUNC_CAP_MAX_EQ_OFFSET); func_cap->max_eq = size & 0xFFFFFF; MLX4_GET(size, outbox, QUERY_FUNC_CAP_RESERVED_EQ_OFFSET); func_cap->reserved_eq = size & 0xFFFFFF; if (func_cap->flags & QUERY_FUNC_CAP_FLAG_RESD_LKEY) { MLX4_GET(size, outbox, QUERY_FUNC_CAP_QP_RESD_LKEY_OFFSET); func_cap->reserved_lkey = size; } else { func_cap->reserved_lkey = 0; } func_cap->extra_flags = 0; /* Mailbox data from 0x6c and onward should only be treated if * QUERY_FUNC_CAP_FLAG_VALID_MAILBOX is set in func_cap->flags */ if (func_cap->flags & QUERY_FUNC_CAP_FLAG_VALID_MAILBOX) { MLX4_GET(size, outbox, QUERY_FUNC_CAP_EXTRA_FLAGS_OFFSET); if (size & QUERY_FUNC_CAP_EXTRA_FLAGS_BF_QP_ALLOC_FLAG) func_cap->extra_flags |= MLX4_QUERY_FUNC_FLAGS_BF_RES_QP; if (size & QUERY_FUNC_CAP_EXTRA_FLAGS_A0_QP_ALLOC_FLAG) func_cap->extra_flags |= MLX4_QUERY_FUNC_FLAGS_A0_RES_QP; } goto out; } /* logical port query */ if (gen_or_port > dev->caps.num_ports) { err = -EINVAL; goto out; } MLX4_GET(func_cap->flags1, outbox, QUERY_FUNC_CAP_FLAGS1_OFFSET); if (dev->caps.port_type[gen_or_port] == MLX4_PORT_TYPE_ETH) { if (func_cap->flags1 & QUERY_FUNC_CAP_FLAGS1_FORCE_VLAN) { mlx4_err(dev, "VLAN is enforced on this port\n"); err = -EPROTONOSUPPORT; goto out; } if (func_cap->flags1 & QUERY_FUNC_CAP_FLAGS1_FORCE_MAC) { mlx4_err(dev, "Force mac is enabled on this port\n"); err = -EPROTONOSUPPORT; goto out; } } else if (dev->caps.port_type[gen_or_port] == MLX4_PORT_TYPE_IB) { MLX4_GET(field, outbox, QUERY_FUNC_CAP_FLAGS0_OFFSET); if (field & QUERY_FUNC_CAP_FLAGS0_FORCE_PHY_WQE_GID) { mlx4_err(dev, "phy_wqe_gid is enforced on this ib port\n"); err = -EPROTONOSUPPORT; goto out; } } MLX4_GET(field, outbox, QUERY_FUNC_CAP_PHYS_PORT_OFFSET); func_cap->physical_port = field; if (func_cap->physical_port != gen_or_port) { err = -EINVAL; goto out; } if (func_cap->flags1 & QUERY_FUNC_CAP_VF_ENABLE_QP0) { MLX4_GET(qkey, outbox, QUERY_FUNC_CAP_PRIV_VF_QKEY_OFFSET); func_cap->spec_qps.qp0_qkey = qkey; } else { func_cap->spec_qps.qp0_qkey = 0; } MLX4_GET(size, outbox, QUERY_FUNC_CAP_QP0_TUNNEL); func_cap->spec_qps.qp0_tunnel = size & 0xFFFFFF; MLX4_GET(size, outbox, QUERY_FUNC_CAP_QP0_PROXY); func_cap->spec_qps.qp0_proxy = size & 0xFFFFFF; MLX4_GET(size, outbox, QUERY_FUNC_CAP_QP1_TUNNEL); func_cap->spec_qps.qp1_tunnel = size & 0xFFFFFF; MLX4_GET(size, outbox, QUERY_FUNC_CAP_QP1_PROXY); func_cap->spec_qps.qp1_proxy = size & 0xFFFFFF; if (func_cap->flags1 & QUERY_FUNC_CAP_FLAGS1_NIC_INFO) MLX4_GET(func_cap->phys_port_id, outbox, QUERY_FUNC_CAP_PHYS_PORT_ID); MLX4_GET(func_cap->flags0, outbox, QUERY_FUNC_CAP_FLAGS0_OFFSET); /* All other resources are allocated by the master, but we still report * 'num' and 'reserved' capabilities as follows: * - num remains the maximum resource index * - 'num - reserved' is the total available objects of a resource, but * resource indices may be less than 'reserved' * TODO: set per-resource quotas */ out: mlx4_free_cmd_mailbox(dev, mailbox); return err; } static void disable_unsupported_roce_caps(void *buf); int mlx4_QUERY_DEV_CAP(struct mlx4_dev *dev, struct mlx4_dev_cap *dev_cap) { struct mlx4_cmd_mailbox *mailbox; u32 *outbox; u8 field; u32 field32, flags, ext_flags; u16 size; u16 stat_rate; int err; int i; #define QUERY_DEV_CAP_OUT_SIZE 0x100 #define QUERY_DEV_CAP_MAX_SRQ_SZ_OFFSET 0x10 #define QUERY_DEV_CAP_MAX_QP_SZ_OFFSET 0x11 #define QUERY_DEV_CAP_RSVD_QP_OFFSET 0x12 #define QUERY_DEV_CAP_MAX_QP_OFFSET 0x13 #define QUERY_DEV_CAP_RSVD_SRQ_OFFSET 0x14 #define QUERY_DEV_CAP_MAX_SRQ_OFFSET 0x15 #define QUERY_DEV_CAP_RSVD_EEC_OFFSET 0x16 #define QUERY_DEV_CAP_MAX_EEC_OFFSET 0x17 #define QUERY_DEV_CAP_MAX_CQ_SZ_OFFSET 0x19 #define QUERY_DEV_CAP_RSVD_CQ_OFFSET 0x1a #define QUERY_DEV_CAP_MAX_CQ_OFFSET 0x1b #define QUERY_DEV_CAP_MAX_MPT_OFFSET 0x1d #define QUERY_DEV_CAP_RSVD_EQ_OFFSET 0x1e #define QUERY_DEV_CAP_MAX_EQ_OFFSET 0x1f #define QUERY_DEV_CAP_RSVD_MTT_OFFSET 0x20 #define QUERY_DEV_CAP_MAX_MRW_SZ_OFFSET 0x21 #define QUERY_DEV_CAP_RSVD_MRW_OFFSET 0x22 #define QUERY_DEV_CAP_MAX_MTT_SEG_OFFSET 0x23 #define QUERY_DEV_CAP_NUM_SYS_EQ_OFFSET 0x26 #define QUERY_DEV_CAP_MAX_AV_OFFSET 0x27 #define QUERY_DEV_CAP_MAX_REQ_QP_OFFSET 0x29 #define QUERY_DEV_CAP_MAX_RES_QP_OFFSET 0x2b #define QUERY_DEV_CAP_MAX_GSO_OFFSET 0x2d #define QUERY_DEV_CAP_RSS_OFFSET 0x2e #define QUERY_DEV_CAP_MAX_RDMA_OFFSET 0x2f #define QUERY_DEV_CAP_RSZ_SRQ_OFFSET 0x33 #define QUERY_DEV_CAP_PORT_BEACON_OFFSET 0x34 #define QUERY_DEV_CAP_ACK_DELAY_OFFSET 0x35 #define QUERY_DEV_CAP_MTU_WIDTH_OFFSET 0x36 #define QUERY_DEV_CAP_VL_PORT_OFFSET 0x37 #define QUERY_DEV_CAP_MAX_MSG_SZ_OFFSET 0x38 #define QUERY_DEV_CAP_MAX_GID_OFFSET 0x3b #define QUERY_DEV_CAP_RATE_SUPPORT_OFFSET 0x3c #define QUERY_DEV_CAP_CQ_TS_SUPPORT_OFFSET 0x3e #define QUERY_DEV_CAP_MAX_PKEY_OFFSET 0x3f #define QUERY_DEV_CAP_EXT_FLAGS_OFFSET 0x40 #define QUERY_DEV_CAP_WOL_OFFSET 0x43 #define QUERY_DEV_CAP_FLAGS_OFFSET 0x44 #define QUERY_DEV_CAP_RSVD_UAR_OFFSET 0x48 #define QUERY_DEV_CAP_UAR_SZ_OFFSET 0x49 #define QUERY_DEV_CAP_PAGE_SZ_OFFSET 0x4b #define QUERY_DEV_CAP_BF_OFFSET 0x4c #define QUERY_DEV_CAP_LOG_BF_REG_SZ_OFFSET 0x4d #define QUERY_DEV_CAP_LOG_MAX_BF_REGS_PER_PAGE_OFFSET 0x4e #define QUERY_DEV_CAP_LOG_MAX_BF_PAGES_OFFSET 0x4f #define QUERY_DEV_CAP_MAX_SG_SQ_OFFSET 0x51 #define QUERY_DEV_CAP_MAX_DESC_SZ_SQ_OFFSET 0x52 #define QUERY_DEV_CAP_MAX_SG_RQ_OFFSET 0x55 #define QUERY_DEV_CAP_MAX_DESC_SZ_RQ_OFFSET 0x56 #define QUERY_DEV_CAP_USER_MAC_EN_OFFSET 0x5C #define QUERY_DEV_CAP_SVLAN_BY_QP_OFFSET 0x5D #define QUERY_DEV_CAP_MAX_QP_MCG_OFFSET 0x61 #define QUERY_DEV_CAP_RSVD_MCG_OFFSET 0x62 #define QUERY_DEV_CAP_MAX_MCG_OFFSET 0x63 #define QUERY_DEV_CAP_RSVD_PD_OFFSET 0x64 #define QUERY_DEV_CAP_MAX_PD_OFFSET 0x65 #define QUERY_DEV_CAP_RSVD_XRC_OFFSET 0x66 #define QUERY_DEV_CAP_MAX_XRC_OFFSET 0x67 #define QUERY_DEV_CAP_MAX_COUNTERS_OFFSET 0x68 #define QUERY_DEV_CAP_PORT_FLOWSTATS_COUNTERS_OFFSET 0x70 #define QUERY_DEV_CAP_EXT_2_FLAGS_OFFSET 0x70 #define QUERY_DEV_CAP_FLOW_STEERING_IPOIB_OFFSET 0x74 #define QUERY_DEV_CAP_FLOW_STEERING_RANGE_EN_OFFSET 0x76 #define QUERY_DEV_CAP_FLOW_STEERING_MAX_QP_OFFSET 0x77 #define QUERY_DEV_CAP_SL2VL_EVENT_OFFSET 0x78 #define QUERY_DEV_CAP_CQ_EQ_CACHE_LINE_STRIDE 0x7a #define QUERY_DEV_CAP_ECN_QCN_VER_OFFSET 0x7b #define QUERY_DEV_CAP_RDMARC_ENTRY_SZ_OFFSET 0x80 #define QUERY_DEV_CAP_QPC_ENTRY_SZ_OFFSET 0x82 #define QUERY_DEV_CAP_AUX_ENTRY_SZ_OFFSET 0x84 #define QUERY_DEV_CAP_ALTC_ENTRY_SZ_OFFSET 0x86 #define QUERY_DEV_CAP_EQC_ENTRY_SZ_OFFSET 0x88 #define QUERY_DEV_CAP_CQC_ENTRY_SZ_OFFSET 0x8a #define QUERY_DEV_CAP_SRQ_ENTRY_SZ_OFFSET 0x8c #define QUERY_DEV_CAP_C_MPT_ENTRY_SZ_OFFSET 0x8e #define QUERY_DEV_CAP_MTT_ENTRY_SZ_OFFSET 0x90 #define QUERY_DEV_CAP_D_MPT_ENTRY_SZ_OFFSET 0x92 #define QUERY_DEV_CAP_BMME_FLAGS_OFFSET 0x94 #define QUERY_DEV_CAP_CONFIG_DEV_OFFSET 0x94 #define QUERY_DEV_CAP_PHV_EN_OFFSET 0x96 #define QUERY_DEV_CAP_RSVD_LKEY_OFFSET 0x98 #define QUERY_DEV_CAP_MAX_ICM_SZ_OFFSET 0xa0 #define QUERY_DEV_CAP_ETH_BACKPL_OFFSET 0x9c #define QUERY_DEV_CAP_DIAG_RPRT_PER_PORT 0x9c #define QUERY_DEV_CAP_FW_REASSIGN_MAC 0x9d #define QUERY_DEV_CAP_VXLAN 0x9e #define QUERY_DEV_CAP_MAD_DEMUX_OFFSET 0xb0 #define QUERY_DEV_CAP_DMFS_HIGH_RATE_QPN_BASE_OFFSET 0xa8 #define QUERY_DEV_CAP_DMFS_HIGH_RATE_QPN_RANGE_OFFSET 0xac #define QUERY_DEV_CAP_MAP_CLOCK_TO_USER 0xc1 #define QUERY_DEV_CAP_QP_RATE_LIMIT_NUM_OFFSET 0xcc #define QUERY_DEV_CAP_QP_RATE_LIMIT_MAX_OFFSET 0xd0 #define QUERY_DEV_CAP_QP_RATE_LIMIT_MIN_OFFSET 0xd2 #define QUERY_DEV_CAP_HEALTH_BUFFER_ADDRESS_OFFSET 0xe4 dev_cap->flags2 = 0; mailbox = mlx4_alloc_cmd_mailbox(dev); if (IS_ERR(mailbox)) return PTR_ERR(mailbox); outbox = mailbox->buf; err = mlx4_cmd_box(dev, 0, mailbox->dma, 0, 0, MLX4_CMD_QUERY_DEV_CAP, MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE); if (err) goto out; if (mlx4_is_mfunc(dev)) disable_unsupported_roce_caps(outbox); MLX4_GET(field, outbox, QUERY_DEV_CAP_MAP_CLOCK_TO_USER); dev_cap->map_clock_to_user = field & 0x80; MLX4_GET(field, outbox, QUERY_DEV_CAP_RSVD_QP_OFFSET); dev_cap->reserved_qps = 1 << (field & 0xf); MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_QP_OFFSET); dev_cap->max_qps = 1 << (field & 0x1f); MLX4_GET(field, outbox, QUERY_DEV_CAP_RSVD_SRQ_OFFSET); dev_cap->reserved_srqs = 1 << (field >> 4); MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_SRQ_OFFSET); dev_cap->max_srqs = 1 << (field & 0x1f); MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_CQ_SZ_OFFSET); dev_cap->max_cq_sz = 1 << field; MLX4_GET(field, outbox, QUERY_DEV_CAP_RSVD_CQ_OFFSET); dev_cap->reserved_cqs = 1 << (field & 0xf); MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_CQ_OFFSET); dev_cap->max_cqs = 1 << (field & 0x1f); MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_MPT_OFFSET); dev_cap->max_mpts = 1 << (field & 0x3f); MLX4_GET(field, outbox, QUERY_DEV_CAP_RSVD_EQ_OFFSET); dev_cap->reserved_eqs = 1 << (field & 0xf); MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_EQ_OFFSET); dev_cap->max_eqs = 1 << (field & 0xf); MLX4_GET(field, outbox, QUERY_DEV_CAP_RSVD_MTT_OFFSET); dev_cap->reserved_mtts = 1 << (field >> 4); MLX4_GET(field, outbox, QUERY_DEV_CAP_RSVD_MRW_OFFSET); dev_cap->reserved_mrws = 1 << (field & 0xf); MLX4_GET(size, outbox, QUERY_DEV_CAP_NUM_SYS_EQ_OFFSET); dev_cap->num_sys_eqs = size & 0xfff; MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_REQ_QP_OFFSET); dev_cap->max_requester_per_qp = 1 << (field & 0x3f); MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_RES_QP_OFFSET); dev_cap->max_responder_per_qp = 1 << (field & 0x3f); MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_GSO_OFFSET); field &= 0x1f; if (!field) dev_cap->max_gso_sz = 0; else dev_cap->max_gso_sz = 1 << field; MLX4_GET(field, outbox, QUERY_DEV_CAP_RSS_OFFSET); if (field & 0x20) dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_RSS_XOR; if (field & 0x10) dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_RSS_TOP; field &= 0xf; if (field) { dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_RSS; dev_cap->max_rss_tbl_sz = 1 << field; } else dev_cap->max_rss_tbl_sz = 0; MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_RDMA_OFFSET); dev_cap->max_rdma_global = 1 << (field & 0x3f); MLX4_GET(field, outbox, QUERY_DEV_CAP_ACK_DELAY_OFFSET); dev_cap->local_ca_ack_delay = field & 0x1f; MLX4_GET(field, outbox, QUERY_DEV_CAP_VL_PORT_OFFSET); dev_cap->num_ports = field & 0xf; MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_MSG_SZ_OFFSET); dev_cap->max_msg_sz = 1 << (field & 0x1f); MLX4_GET(field, outbox, QUERY_DEV_CAP_PORT_FLOWSTATS_COUNTERS_OFFSET); if (field & 0x10) dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_FLOWSTATS_EN; MLX4_GET(field, outbox, QUERY_DEV_CAP_FLOW_STEERING_RANGE_EN_OFFSET); if (field & 0x80) dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_FS_EN; dev_cap->fs_log_max_ucast_qp_range_size = field & 0x1f; if (field & 0x20) dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_DMFS_UC_MC_SNIFFER; MLX4_GET(field, outbox, QUERY_DEV_CAP_PORT_BEACON_OFFSET); if (field & 0x80) dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_PORT_BEACON; MLX4_GET(field, outbox, QUERY_DEV_CAP_FLOW_STEERING_IPOIB_OFFSET); if (field & 0x80) dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_DMFS_IPOIB; MLX4_GET(field, outbox, QUERY_DEV_CAP_FLOW_STEERING_MAX_QP_OFFSET); dev_cap->fs_max_num_qp_per_entry = field; MLX4_GET(field, outbox, QUERY_DEV_CAP_SL2VL_EVENT_OFFSET); if (field & (1 << 5)) dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_SL_TO_VL_CHANGE_EVENT; MLX4_GET(field, outbox, QUERY_DEV_CAP_ECN_QCN_VER_OFFSET); if (field & 0x1) dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_QCN; MLX4_GET(stat_rate, outbox, QUERY_DEV_CAP_RATE_SUPPORT_OFFSET); dev_cap->stat_rate_support = stat_rate; MLX4_GET(field, outbox, QUERY_DEV_CAP_CQ_TS_SUPPORT_OFFSET); if (field & 0x80) dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_TS; MLX4_GET(ext_flags, outbox, QUERY_DEV_CAP_EXT_FLAGS_OFFSET); MLX4_GET(flags, outbox, QUERY_DEV_CAP_FLAGS_OFFSET); dev_cap->flags = flags | (u64)ext_flags << 32; MLX4_GET(field, outbox, QUERY_DEV_CAP_WOL_OFFSET); dev_cap->wol_port[1] = !!(field & 0x20); dev_cap->wol_port[2] = !!(field & 0x40); MLX4_GET(field, outbox, QUERY_DEV_CAP_RSVD_UAR_OFFSET); dev_cap->reserved_uars = field >> 4; MLX4_GET(field, outbox, QUERY_DEV_CAP_UAR_SZ_OFFSET); dev_cap->uar_size = 1 << ((field & 0x3f) + 20); MLX4_GET(field, outbox, QUERY_DEV_CAP_PAGE_SZ_OFFSET); dev_cap->min_page_sz = 1 << field; MLX4_GET(field, outbox, QUERY_DEV_CAP_BF_OFFSET); if (field & 0x80) { MLX4_GET(field, outbox, QUERY_DEV_CAP_LOG_BF_REG_SZ_OFFSET); dev_cap->bf_reg_size = 1 << (field & 0x1f); MLX4_GET(field, outbox, QUERY_DEV_CAP_LOG_MAX_BF_REGS_PER_PAGE_OFFSET); if ((1 << (field & 0x3f)) > (PAGE_SIZE / dev_cap->bf_reg_size)) field = 3; dev_cap->bf_regs_per_page = 1 << (field & 0x3f); } else { dev_cap->bf_reg_size = 0; } MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_SG_SQ_OFFSET); dev_cap->max_sq_sg = field; MLX4_GET(size, outbox, QUERY_DEV_CAP_MAX_DESC_SZ_SQ_OFFSET); dev_cap->max_sq_desc_sz = size; MLX4_GET(field, outbox, QUERY_DEV_CAP_USER_MAC_EN_OFFSET); if (field & (1 << 2)) dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_USER_MAC_EN; MLX4_GET(field, outbox, QUERY_DEV_CAP_SVLAN_BY_QP_OFFSET); if (field & 0x1) dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_SVLAN_BY_QP; MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_QP_MCG_OFFSET); dev_cap->max_qp_per_mcg = 1 << field; MLX4_GET(field, outbox, QUERY_DEV_CAP_RSVD_MCG_OFFSET); dev_cap->reserved_mgms = field & 0xf; MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_MCG_OFFSET); dev_cap->max_mcgs = 1 << field; MLX4_GET(field, outbox, QUERY_DEV_CAP_RSVD_PD_OFFSET); dev_cap->reserved_pds = field >> 4; MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_PD_OFFSET); dev_cap->max_pds = 1 << (field & 0x3f); MLX4_GET(field, outbox, QUERY_DEV_CAP_RSVD_XRC_OFFSET); dev_cap->reserved_xrcds = field >> 4; MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_XRC_OFFSET); dev_cap->max_xrcds = 1 << (field & 0x1f); MLX4_GET(size, outbox, QUERY_DEV_CAP_RDMARC_ENTRY_SZ_OFFSET); dev_cap->rdmarc_entry_sz = size; MLX4_GET(size, outbox, QUERY_DEV_CAP_QPC_ENTRY_SZ_OFFSET); dev_cap->qpc_entry_sz = size; MLX4_GET(size, outbox, QUERY_DEV_CAP_AUX_ENTRY_SZ_OFFSET); dev_cap->aux_entry_sz = size; MLX4_GET(size, outbox, QUERY_DEV_CAP_ALTC_ENTRY_SZ_OFFSET); dev_cap->altc_entry_sz = size; MLX4_GET(size, outbox, QUERY_DEV_CAP_EQC_ENTRY_SZ_OFFSET); dev_cap->eqc_entry_sz = size; MLX4_GET(size, outbox, QUERY_DEV_CAP_CQC_ENTRY_SZ_OFFSET); dev_cap->cqc_entry_sz = size; MLX4_GET(size, outbox, QUERY_DEV_CAP_SRQ_ENTRY_SZ_OFFSET); dev_cap->srq_entry_sz = size; MLX4_GET(size, outbox, QUERY_DEV_CAP_C_MPT_ENTRY_SZ_OFFSET); dev_cap->cmpt_entry_sz = size; MLX4_GET(size, outbox, QUERY_DEV_CAP_MTT_ENTRY_SZ_OFFSET); dev_cap->mtt_entry_sz = size; MLX4_GET(size, outbox, QUERY_DEV_CAP_D_MPT_ENTRY_SZ_OFFSET); dev_cap->dmpt_entry_sz = size; MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_SRQ_SZ_OFFSET); dev_cap->max_srq_sz = 1 << field; MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_QP_SZ_OFFSET); dev_cap->max_qp_sz = 1 << field; MLX4_GET(field, outbox, QUERY_DEV_CAP_RSZ_SRQ_OFFSET); dev_cap->resize_srq = field & 1; MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_SG_RQ_OFFSET); dev_cap->max_rq_sg = field; MLX4_GET(size, outbox, QUERY_DEV_CAP_MAX_DESC_SZ_RQ_OFFSET); dev_cap->max_rq_desc_sz = size; MLX4_GET(field, outbox, QUERY_DEV_CAP_CQ_EQ_CACHE_LINE_STRIDE); if (field & (1 << 4)) dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_QOS_VPP; if (field & (1 << 5)) dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_ETH_PROT_CTRL; if (field & (1 << 6)) dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_CQE_STRIDE; if (field & (1 << 7)) dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_EQE_STRIDE; MLX4_GET(dev_cap->bmme_flags, outbox, QUERY_DEV_CAP_BMME_FLAGS_OFFSET); if (dev_cap->bmme_flags & MLX4_FLAG_ROCE_V1_V2) dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_ROCE_V1_V2; if (dev_cap->bmme_flags & MLX4_FLAG_PORT_REMAP) dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_PORT_REMAP; MLX4_GET(field, outbox, QUERY_DEV_CAP_CONFIG_DEV_OFFSET); if (field & 0x20) dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_CONFIG_DEV; if (field & (1 << 2)) dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_IGNORE_FCS; MLX4_GET(field, outbox, QUERY_DEV_CAP_PHV_EN_OFFSET); if (field & 0x80) dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_PHV_EN; if (field & 0x40) dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_SKIP_OUTER_VLAN; MLX4_GET(dev_cap->reserved_lkey, outbox, QUERY_DEV_CAP_RSVD_LKEY_OFFSET); MLX4_GET(field32, outbox, QUERY_DEV_CAP_ETH_BACKPL_OFFSET); if (field32 & (1 << 0)) dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_ETH_BACKPL_AN_REP; if (field32 & (1 << 7)) dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_RECOVERABLE_ERROR_EVENT; if (field32 & (1 << 8)) dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_DRIVER_VERSION_TO_FW; MLX4_GET(field32, outbox, QUERY_DEV_CAP_DIAG_RPRT_PER_PORT); if (field32 & (1 << 17)) dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_DIAG_PER_PORT; MLX4_GET(field, outbox, QUERY_DEV_CAP_FW_REASSIGN_MAC); if (field & 1<<6) dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_REASSIGN_MAC_EN; MLX4_GET(field, outbox, QUERY_DEV_CAP_VXLAN); if (field & 1<<3) dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_VXLAN_OFFLOADS; if (field & (1 << 5)) dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_ETS_CFG; MLX4_GET(dev_cap->max_icm_sz, outbox, QUERY_DEV_CAP_MAX_ICM_SZ_OFFSET); if (dev_cap->flags & MLX4_DEV_CAP_FLAG_COUNTERS) MLX4_GET(dev_cap->max_counters, outbox, QUERY_DEV_CAP_MAX_COUNTERS_OFFSET); MLX4_GET(field32, outbox, QUERY_DEV_CAP_MAD_DEMUX_OFFSET); if (field32 & (1 << 0)) dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_MAD_DEMUX; MLX4_GET(dev_cap->dmfs_high_rate_qpn_base, outbox, QUERY_DEV_CAP_DMFS_HIGH_RATE_QPN_BASE_OFFSET); dev_cap->dmfs_high_rate_qpn_base &= MGM_QPN_MASK; MLX4_GET(dev_cap->dmfs_high_rate_qpn_range, outbox, QUERY_DEV_CAP_DMFS_HIGH_RATE_QPN_RANGE_OFFSET); dev_cap->dmfs_high_rate_qpn_range &= MGM_QPN_MASK; MLX4_GET(size, outbox, QUERY_DEV_CAP_QP_RATE_LIMIT_NUM_OFFSET); dev_cap->rl_caps.num_rates = size; if (dev_cap->rl_caps.num_rates) { dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_QP_RATE_LIMIT; MLX4_GET(size, outbox, QUERY_DEV_CAP_QP_RATE_LIMIT_MAX_OFFSET); dev_cap->rl_caps.max_val = size & 0xfff; dev_cap->rl_caps.max_unit = size >> 14; MLX4_GET(size, outbox, QUERY_DEV_CAP_QP_RATE_LIMIT_MIN_OFFSET); dev_cap->rl_caps.min_val = size & 0xfff; dev_cap->rl_caps.min_unit = size >> 14; } MLX4_GET(dev_cap->health_buffer_addrs, outbox, QUERY_DEV_CAP_HEALTH_BUFFER_ADDRESS_OFFSET); MLX4_GET(field32, outbox, QUERY_DEV_CAP_EXT_2_FLAGS_OFFSET); if (field32 & (1 << 16)) dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_UPDATE_QP; if (field32 & (1 << 18)) dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_UPDATE_QP_SRC_CHECK_LB; if (field32 & (1 << 19)) dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_LB_SRC_CHK; if (field32 & (1 << 26)) dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_VLAN_CONTROL; if (field32 & (1 << 20)) dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_FSM; if (field32 & (1 << 21)) dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_80_VFS; if (field32 & (1 << 23)) dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_SW_CQ_INIT; for (i = 1; i <= dev_cap->num_ports; i++) { err = mlx4_QUERY_PORT(dev, i, dev_cap->port_cap + i); if (err) goto out; } /* * Each UAR has 4 EQ doorbells; so if a UAR is reserved, then * we can't use any EQs whose doorbell falls on that page, * even if the EQ itself isn't reserved. */ if (dev_cap->num_sys_eqs == 0) dev_cap->reserved_eqs = max(dev_cap->reserved_uars * 4, dev_cap->reserved_eqs); else dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_SYS_EQS; out: mlx4_free_cmd_mailbox(dev, mailbox); return err; } void mlx4_dev_cap_dump(struct mlx4_dev *dev, struct mlx4_dev_cap *dev_cap) { if (dev_cap->bf_reg_size > 0) mlx4_dbg(dev, "BlueFlame available (reg size %d, regs/page %d)\n", dev_cap->bf_reg_size, dev_cap->bf_regs_per_page); else mlx4_dbg(dev, "BlueFlame not available\n"); mlx4_dbg(dev, "Base MM extensions: flags %08x, rsvd L_Key %08x\n", dev_cap->bmme_flags, dev_cap->reserved_lkey); mlx4_dbg(dev, "Max ICM size %lld MB\n", (unsigned long long) dev_cap->max_icm_sz >> 20); mlx4_dbg(dev, "Max QPs: %d, reserved QPs: %d, entry size: %d\n", dev_cap->max_qps, dev_cap->reserved_qps, dev_cap->qpc_entry_sz); mlx4_dbg(dev, "Max SRQs: %d, reserved SRQs: %d, entry size: %d\n", dev_cap->max_srqs, dev_cap->reserved_srqs, dev_cap->srq_entry_sz); mlx4_dbg(dev, "Max CQs: %d, reserved CQs: %d, entry size: %d\n", dev_cap->max_cqs, dev_cap->reserved_cqs, dev_cap->cqc_entry_sz); mlx4_dbg(dev, "Num sys EQs: %d, max EQs: %d, reserved EQs: %d, entry size: %d\n", dev_cap->num_sys_eqs, dev_cap->max_eqs, dev_cap->reserved_eqs, dev_cap->eqc_entry_sz); mlx4_dbg(dev, "reserved MPTs: %d, reserved MTTs: %d\n", dev_cap->reserved_mrws, dev_cap->reserved_mtts); mlx4_dbg(dev, "Max PDs: %d, reserved PDs: %d, reserved UARs: %d\n", dev_cap->max_pds, dev_cap->reserved_pds, dev_cap->reserved_uars); mlx4_dbg(dev, "Max QP/MCG: %d, reserved MGMs: %d\n", dev_cap->max_pds, dev_cap->reserved_mgms); mlx4_dbg(dev, "Max CQEs: %d, max WQEs: %d, max SRQ WQEs: %d\n", dev_cap->max_cq_sz, dev_cap->max_qp_sz, dev_cap->max_srq_sz); mlx4_dbg(dev, "Local CA ACK delay: %d, max MTU: %d, port width cap: %d\n", dev_cap->local_ca_ack_delay, 128 << dev_cap->port_cap[1].ib_mtu, dev_cap->port_cap[1].max_port_width); mlx4_dbg(dev, "Max SQ desc size: %d, max SQ S/G: %d\n", dev_cap->max_sq_desc_sz, dev_cap->max_sq_sg); mlx4_dbg(dev, "Max RQ desc size: %d, max RQ S/G: %d\n", dev_cap->max_rq_desc_sz, dev_cap->max_rq_sg); mlx4_dbg(dev, "Max GSO size: %d\n", dev_cap->max_gso_sz); mlx4_dbg(dev, "Max counters: %d\n", dev_cap->max_counters); mlx4_dbg(dev, "Max RSS Table size: %d\n", dev_cap->max_rss_tbl_sz); mlx4_dbg(dev, "DMFS high rate steer QPn base: %d\n", dev_cap->dmfs_high_rate_qpn_base); mlx4_dbg(dev, "DMFS high rate steer QPn range: %d\n", dev_cap->dmfs_high_rate_qpn_range); if (dev_cap->flags2 & MLX4_DEV_CAP_FLAG2_QP_RATE_LIMIT) { struct mlx4_rate_limit_caps *rl_caps = &dev_cap->rl_caps; mlx4_dbg(dev, "QP Rate-Limit: #rates %d, unit/val max %d/%d, min %d/%d\n", rl_caps->num_rates, rl_caps->max_unit, rl_caps->max_val, rl_caps->min_unit, rl_caps->min_val); } dump_dev_cap_flags(dev, dev_cap->flags); dump_dev_cap_flags2(dev, dev_cap->flags2); } int mlx4_QUERY_PORT(struct mlx4_dev *dev, int port, struct mlx4_port_cap *port_cap) { struct mlx4_cmd_mailbox *mailbox; u32 *outbox; u8 field; u32 field32; int err; mailbox = mlx4_alloc_cmd_mailbox(dev); if (IS_ERR(mailbox)) return PTR_ERR(mailbox); outbox = mailbox->buf; if (dev->flags & MLX4_FLAG_OLD_PORT_CMDS) { err = mlx4_cmd_box(dev, 0, mailbox->dma, 0, 0, MLX4_CMD_QUERY_DEV_CAP, MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE); if (err) goto out; MLX4_GET(field, outbox, QUERY_DEV_CAP_VL_PORT_OFFSET); port_cap->max_vl = field >> 4; MLX4_GET(field, outbox, QUERY_DEV_CAP_MTU_WIDTH_OFFSET); port_cap->ib_mtu = field >> 4; port_cap->max_port_width = field & 0xf; MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_GID_OFFSET); port_cap->max_gids = 1 << (field & 0xf); MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_PKEY_OFFSET); port_cap->max_pkeys = 1 << (field & 0xf); } else { #define QUERY_PORT_SUPPORTED_TYPE_OFFSET 0x00 #define QUERY_PORT_MTU_OFFSET 0x01 #define QUERY_PORT_ETH_MTU_OFFSET 0x02 #define QUERY_PORT_WIDTH_OFFSET 0x06 #define QUERY_PORT_MAX_GID_PKEY_OFFSET 0x07 #define QUERY_PORT_MAX_MACVLAN_OFFSET 0x0a #define QUERY_PORT_MAX_VL_OFFSET 0x0b #define QUERY_PORT_MAC_OFFSET 0x10 #define QUERY_PORT_TRANS_VENDOR_OFFSET 0x18 #define QUERY_PORT_WAVELENGTH_OFFSET 0x1c #define QUERY_PORT_TRANS_CODE_OFFSET 0x20 err = mlx4_cmd_box(dev, 0, mailbox->dma, port, 0, MLX4_CMD_QUERY_PORT, MLX4_CMD_TIME_CLASS_B, MLX4_CMD_NATIVE); if (err) goto out; MLX4_GET(field, outbox, QUERY_PORT_SUPPORTED_TYPE_OFFSET); port_cap->link_state = (field & 0x80) >> 7; port_cap->supported_port_types = field & 3; port_cap->suggested_type = (field >> 3) & 1; port_cap->default_sense = (field >> 4) & 1; port_cap->dmfs_optimized_state = (field >> 5) & 1; MLX4_GET(field, outbox, QUERY_PORT_MTU_OFFSET); port_cap->ib_mtu = field & 0xf; MLX4_GET(field, outbox, QUERY_PORT_WIDTH_OFFSET); port_cap->max_port_width = field & 0xf; MLX4_GET(field, outbox, QUERY_PORT_MAX_GID_PKEY_OFFSET); port_cap->max_gids = 1 << (field >> 4); port_cap->max_pkeys = 1 << (field & 0xf); MLX4_GET(field, outbox, QUERY_PORT_MAX_VL_OFFSET); port_cap->max_vl = field & 0xf; port_cap->max_tc_eth = field >> 4; MLX4_GET(field, outbox, QUERY_PORT_MAX_MACVLAN_OFFSET); port_cap->log_max_macs = field & 0xf; port_cap->log_max_vlans = field >> 4; MLX4_GET(port_cap->eth_mtu, outbox, QUERY_PORT_ETH_MTU_OFFSET); MLX4_GET(port_cap->def_mac, outbox, QUERY_PORT_MAC_OFFSET); MLX4_GET(field32, outbox, QUERY_PORT_TRANS_VENDOR_OFFSET); port_cap->trans_type = field32 >> 24; port_cap->vendor_oui = field32 & 0xffffff; MLX4_GET(port_cap->wavelength, outbox, QUERY_PORT_WAVELENGTH_OFFSET); MLX4_GET(port_cap->trans_code, outbox, QUERY_PORT_TRANS_CODE_OFFSET); } out: mlx4_free_cmd_mailbox(dev, mailbox); return err; } #define DEV_CAP_EXT_2_FLAG_PFC_COUNTERS (1 << 28) #define DEV_CAP_EXT_2_FLAG_VLAN_CONTROL (1 << 26) #define DEV_CAP_EXT_2_FLAG_80_VFS (1 << 21) #define DEV_CAP_EXT_2_FLAG_FSM (1 << 20) int mlx4_QUERY_DEV_CAP_wrapper(struct mlx4_dev *dev, int slave, struct mlx4_vhcr *vhcr, struct mlx4_cmd_mailbox *inbox, struct mlx4_cmd_mailbox *outbox, struct mlx4_cmd_info *cmd) { u64 flags; int err = 0; u8 field; u16 field16; u32 bmme_flags, field32; int real_port; int slave_port; int first_port; struct mlx4_active_ports actv_ports; err = mlx4_cmd_box(dev, 0, outbox->dma, 0, 0, MLX4_CMD_QUERY_DEV_CAP, MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE); if (err) return err; disable_unsupported_roce_caps(outbox->buf); /* add port mng change event capability and disable mw type 1 * unconditionally to slaves */ MLX4_GET(flags, outbox->buf, QUERY_DEV_CAP_EXT_FLAGS_OFFSET); flags |= MLX4_DEV_CAP_FLAG_PORT_MNG_CHG_EV; flags &= ~MLX4_DEV_CAP_FLAG_MEM_WINDOW; actv_ports = mlx4_get_active_ports(dev, slave); first_port = find_first_bit(actv_ports.ports, dev->caps.num_ports); for (slave_port = 0, real_port = first_port; real_port < first_port + bitmap_weight(actv_ports.ports, dev->caps.num_ports); ++real_port, ++slave_port) { if (flags & (MLX4_DEV_CAP_FLAG_WOL_PORT1 << real_port)) flags |= MLX4_DEV_CAP_FLAG_WOL_PORT1 << slave_port; else flags &= ~(MLX4_DEV_CAP_FLAG_WOL_PORT1 << slave_port); } for (; slave_port < dev->caps.num_ports; ++slave_port) flags &= ~(MLX4_DEV_CAP_FLAG_WOL_PORT1 << slave_port); /* Not exposing RSS IP fragments to guests */ flags &= ~MLX4_DEV_CAP_FLAG_RSS_IP_FRAG; MLX4_PUT(outbox->buf, flags, QUERY_DEV_CAP_EXT_FLAGS_OFFSET); MLX4_GET(field, outbox->buf, QUERY_DEV_CAP_VL_PORT_OFFSET); field &= ~0x0F; field |= bitmap_weight(actv_ports.ports, dev->caps.num_ports) & 0x0F; MLX4_PUT(outbox->buf, field, QUERY_DEV_CAP_VL_PORT_OFFSET); /* For guests, disable timestamp */ MLX4_GET(field, outbox->buf, QUERY_DEV_CAP_CQ_TS_SUPPORT_OFFSET); field &= 0x7f; MLX4_PUT(outbox->buf, field, QUERY_DEV_CAP_CQ_TS_SUPPORT_OFFSET); /* For guests, disable vxlan tunneling and QoS support */ MLX4_GET(field, outbox->buf, QUERY_DEV_CAP_VXLAN); field &= 0xd7; MLX4_PUT(outbox->buf, field, QUERY_DEV_CAP_VXLAN); /* For guests, disable port BEACON */ MLX4_GET(field, outbox->buf, QUERY_DEV_CAP_PORT_BEACON_OFFSET); field &= 0x7f; MLX4_PUT(outbox->buf, field, QUERY_DEV_CAP_PORT_BEACON_OFFSET); /* For guests, report Blueflame disabled */ MLX4_GET(field, outbox->buf, QUERY_DEV_CAP_BF_OFFSET); field &= 0x7f; MLX4_PUT(outbox->buf, field, QUERY_DEV_CAP_BF_OFFSET); /* For guests, disable mw type 2 and port remap*/ MLX4_GET(bmme_flags, outbox->buf, QUERY_DEV_CAP_BMME_FLAGS_OFFSET); bmme_flags &= ~MLX4_BMME_FLAG_TYPE_2_WIN; bmme_flags &= ~MLX4_FLAG_PORT_REMAP; MLX4_PUT(outbox->buf, bmme_flags, QUERY_DEV_CAP_BMME_FLAGS_OFFSET); /* turn off device-managed steering capability if not enabled */ if (dev->caps.steering_mode != MLX4_STEERING_MODE_DEVICE_MANAGED) { MLX4_GET(field, outbox->buf, QUERY_DEV_CAP_FLOW_STEERING_RANGE_EN_OFFSET); field &= 0x7f; MLX4_PUT(outbox->buf, field, QUERY_DEV_CAP_FLOW_STEERING_RANGE_EN_OFFSET); } /* turn off ipoib managed steering for guests */ MLX4_GET(field, outbox->buf, QUERY_DEV_CAP_FLOW_STEERING_IPOIB_OFFSET); field &= ~0x80; MLX4_PUT(outbox->buf, field, QUERY_DEV_CAP_FLOW_STEERING_IPOIB_OFFSET); /* turn off host side virt features (VST, FSM, etc) for guests */ MLX4_GET(field32, outbox->buf, QUERY_DEV_CAP_EXT_2_FLAGS_OFFSET); field32 &= ~(DEV_CAP_EXT_2_FLAG_VLAN_CONTROL | DEV_CAP_EXT_2_FLAG_80_VFS | DEV_CAP_EXT_2_FLAG_FSM | DEV_CAP_EXT_2_FLAG_PFC_COUNTERS); MLX4_PUT(outbox->buf, field32, QUERY_DEV_CAP_EXT_2_FLAGS_OFFSET); /* turn off QCN for guests */ MLX4_GET(field, outbox->buf, QUERY_DEV_CAP_ECN_QCN_VER_OFFSET); field &= 0xfe; MLX4_PUT(outbox->buf, field, QUERY_DEV_CAP_ECN_QCN_VER_OFFSET); /* turn off QP max-rate limiting for guests */ field16 = 0; MLX4_PUT(outbox->buf, field16, QUERY_DEV_CAP_QP_RATE_LIMIT_NUM_OFFSET); /* turn off QoS per VF support for guests */ MLX4_GET(field, outbox->buf, QUERY_DEV_CAP_CQ_EQ_CACHE_LINE_STRIDE); field &= 0xef; MLX4_PUT(outbox->buf, field, QUERY_DEV_CAP_CQ_EQ_CACHE_LINE_STRIDE); /* turn off ignore FCS feature for guests */ MLX4_GET(field, outbox->buf, QUERY_DEV_CAP_CONFIG_DEV_OFFSET); field &= 0xfb; MLX4_PUT(outbox->buf, field, QUERY_DEV_CAP_CONFIG_DEV_OFFSET); return 0; } static void disable_unsupported_roce_caps(void *buf) { u32 flags; MLX4_GET(flags, buf, QUERY_DEV_CAP_EXT_FLAGS_OFFSET); flags &= ~(1UL << 31); MLX4_PUT(buf, flags, QUERY_DEV_CAP_EXT_FLAGS_OFFSET); MLX4_GET(flags, buf, QUERY_DEV_CAP_EXT_2_FLAGS_OFFSET); flags &= ~(1UL << 24); MLX4_PUT(buf, flags, QUERY_DEV_CAP_EXT_2_FLAGS_OFFSET); MLX4_GET(flags, buf, QUERY_DEV_CAP_BMME_FLAGS_OFFSET); flags &= ~(MLX4_FLAG_ROCE_V1_V2); MLX4_PUT(buf, flags, QUERY_DEV_CAP_BMME_FLAGS_OFFSET); } int mlx4_QUERY_PORT_wrapper(struct mlx4_dev *dev, int slave, struct mlx4_vhcr *vhcr, struct mlx4_cmd_mailbox *inbox, struct mlx4_cmd_mailbox *outbox, struct mlx4_cmd_info *cmd) { struct mlx4_priv *priv = mlx4_priv(dev); u64 def_mac; u8 port_type; u16 short_field; int err; int admin_link_state; int port = mlx4_slave_convert_port(dev, slave, vhcr->in_modifier & 0xFF); #define MLX4_VF_PORT_NO_LINK_SENSE_MASK 0xE0 #define MLX4_PORT_LINK_UP_MASK 0x80 #define QUERY_PORT_CUR_MAX_PKEY_OFFSET 0x0c #define QUERY_PORT_CUR_MAX_GID_OFFSET 0x0e if (port < 0) return -EINVAL; /* Protect against untrusted guests: enforce that this is the * QUERY_PORT general query. */ if (vhcr->op_modifier || vhcr->in_modifier & ~0xFF) return -EINVAL; vhcr->in_modifier = port; err = mlx4_cmd_box(dev, 0, outbox->dma, vhcr->in_modifier, 0, MLX4_CMD_QUERY_PORT, MLX4_CMD_TIME_CLASS_B, MLX4_CMD_NATIVE); if (!err && dev->caps.function != slave) { def_mac = priv->mfunc.master.vf_oper[slave].vport[vhcr->in_modifier].state.mac; MLX4_PUT(outbox->buf, def_mac, QUERY_PORT_MAC_OFFSET); /* get port type - currently only eth is enabled */ MLX4_GET(port_type, outbox->buf, QUERY_PORT_SUPPORTED_TYPE_OFFSET); /* No link sensing allowed */ port_type &= MLX4_VF_PORT_NO_LINK_SENSE_MASK; /* set port type to currently operating port type */ port_type |= (dev->caps.port_type[vhcr->in_modifier] & 0x3); admin_link_state = priv->mfunc.master.vf_oper[slave].vport[vhcr->in_modifier].state.link_state; if (IFLA_VF_LINK_STATE_ENABLE == admin_link_state) port_type |= MLX4_PORT_LINK_UP_MASK; else if (IFLA_VF_LINK_STATE_DISABLE == admin_link_state) port_type &= ~MLX4_PORT_LINK_UP_MASK; else if (IFLA_VF_LINK_STATE_AUTO == admin_link_state && mlx4_is_bonded(dev)) { int other_port = (port == 1) ? 2 : 1; struct mlx4_port_cap port_cap; err = mlx4_QUERY_PORT(dev, other_port, &port_cap); if (err) goto out; port_type |= (port_cap.link_state << 7); } MLX4_PUT(outbox->buf, port_type, QUERY_PORT_SUPPORTED_TYPE_OFFSET); if (dev->caps.port_type[vhcr->in_modifier] == MLX4_PORT_TYPE_ETH) short_field = mlx4_get_slave_num_gids(dev, slave, port); else short_field = 1; /* slave max gids */ MLX4_PUT(outbox->buf, short_field, QUERY_PORT_CUR_MAX_GID_OFFSET); short_field = dev->caps.pkey_table_len[vhcr->in_modifier]; MLX4_PUT(outbox->buf, short_field, QUERY_PORT_CUR_MAX_PKEY_OFFSET); } out: return err; } int mlx4_get_slave_pkey_gid_tbl_len(struct mlx4_dev *dev, u8 port, int *gid_tbl_len, int *pkey_tbl_len) { struct mlx4_cmd_mailbox *mailbox; u32 *outbox; u16 field; int err; mailbox = mlx4_alloc_cmd_mailbox(dev); if (IS_ERR(mailbox)) return PTR_ERR(mailbox); err = mlx4_cmd_box(dev, 0, mailbox->dma, port, 0, MLX4_CMD_QUERY_PORT, MLX4_CMD_TIME_CLASS_B, MLX4_CMD_WRAPPED); if (err) goto out; outbox = mailbox->buf; MLX4_GET(field, outbox, QUERY_PORT_CUR_MAX_GID_OFFSET); *gid_tbl_len = field; MLX4_GET(field, outbox, QUERY_PORT_CUR_MAX_PKEY_OFFSET); *pkey_tbl_len = field; out: mlx4_free_cmd_mailbox(dev, mailbox); return err; } EXPORT_SYMBOL(mlx4_get_slave_pkey_gid_tbl_len); int mlx4_map_cmd(struct mlx4_dev *dev, u16 op, struct mlx4_icm *icm, u64 virt) { struct mlx4_cmd_mailbox *mailbox; struct mlx4_icm_iter iter; __be64 *pages; int lg; int nent = 0; int i; int err = 0; int ts = 0, tc = 0; mailbox = mlx4_alloc_cmd_mailbox(dev); if (IS_ERR(mailbox)) return PTR_ERR(mailbox); pages = mailbox->buf; for (mlx4_icm_first(icm, &iter); !mlx4_icm_last(&iter); mlx4_icm_next(&iter)) { /* * We have to pass pages that are aligned to their * size, so find the least significant 1 in the * address or size and use that as our log2 size. */ lg = ffs(mlx4_icm_addr(&iter) | mlx4_icm_size(&iter)) - 1; if (lg < MLX4_ICM_PAGE_SHIFT) { mlx4_warn(dev, "Got FW area not aligned to %d (%llx/%lx)\n", MLX4_ICM_PAGE_SIZE, (unsigned long long) mlx4_icm_addr(&iter), mlx4_icm_size(&iter)); err = -EINVAL; goto out; } for (i = 0; i < mlx4_icm_size(&iter) >> lg; ++i) { if (virt != -1) { pages[nent * 2] = cpu_to_be64(virt); virt += 1ULL << lg; } pages[nent * 2 + 1] = cpu_to_be64((mlx4_icm_addr(&iter) + (i << lg)) | (lg - MLX4_ICM_PAGE_SHIFT)); ts += 1 << (lg - 10); ++tc; if (++nent == MLX4_MAILBOX_SIZE / 16) { err = mlx4_cmd(dev, mailbox->dma, nent, 0, op, MLX4_CMD_TIME_CLASS_B, MLX4_CMD_NATIVE); if (err) goto out; nent = 0; } } } if (nent) err = mlx4_cmd(dev, mailbox->dma, nent, 0, op, MLX4_CMD_TIME_CLASS_B, MLX4_CMD_NATIVE); if (err) goto out; switch (op) { case MLX4_CMD_MAP_FA: mlx4_dbg(dev, "Mapped %d chunks/%d KB for FW\n", tc, ts); break; case MLX4_CMD_MAP_ICM_AUX: mlx4_dbg(dev, "Mapped %d chunks/%d KB for ICM aux\n", tc, ts); break; case MLX4_CMD_MAP_ICM: mlx4_dbg(dev, "Mapped %d chunks/%d KB at %llx for ICM\n", tc, ts, (unsigned long long) virt - (ts << 10)); break; } out: mlx4_free_cmd_mailbox(dev, mailbox); return err; } int mlx4_MAP_FA(struct mlx4_dev *dev, struct mlx4_icm *icm) { return mlx4_map_cmd(dev, MLX4_CMD_MAP_FA, icm, -1); } int mlx4_UNMAP_FA(struct mlx4_dev *dev) { return mlx4_cmd(dev, 0, 0, 0, MLX4_CMD_UNMAP_FA, MLX4_CMD_TIME_CLASS_B, MLX4_CMD_NATIVE); } int mlx4_RUN_FW(struct mlx4_dev *dev) { return mlx4_cmd(dev, 0, 0, 0, MLX4_CMD_RUN_FW, MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE); } int mlx4_QUERY_FW(struct mlx4_dev *dev) { struct mlx4_fw *fw = &mlx4_priv(dev)->fw; struct mlx4_cmd *cmd = &mlx4_priv(dev)->cmd; struct mlx4_cmd_mailbox *mailbox; u32 *outbox; int err = 0; u64 fw_ver; u16 cmd_if_rev; u8 lg; #define QUERY_FW_OUT_SIZE 0x100 #define QUERY_FW_VER_OFFSET 0x00 #define QUERY_FW_PPF_ID 0x09 #define QUERY_FW_CMD_IF_REV_OFFSET 0x0a #define QUERY_FW_MAX_CMD_OFFSET 0x0f #define QUERY_FW_ERR_START_OFFSET 0x30 #define QUERY_FW_ERR_SIZE_OFFSET 0x38 #define QUERY_FW_ERR_BAR_OFFSET 0x3c #define QUERY_FW_SIZE_OFFSET 0x00 #define QUERY_FW_CLR_INT_BASE_OFFSET 0x20 #define QUERY_FW_CLR_INT_BAR_OFFSET 0x28 #define QUERY_FW_COMM_BASE_OFFSET 0x40 #define QUERY_FW_COMM_BAR_OFFSET 0x48 #define QUERY_FW_CLOCK_OFFSET 0x50 #define QUERY_FW_CLOCK_BAR 0x58 mailbox = mlx4_alloc_cmd_mailbox(dev); if (IS_ERR(mailbox)) return PTR_ERR(mailbox); outbox = mailbox->buf; err = mlx4_cmd_box(dev, 0, mailbox->dma, 0, 0, MLX4_CMD_QUERY_FW, MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE); if (err) goto out; MLX4_GET(fw_ver, outbox, QUERY_FW_VER_OFFSET); /* * FW subminor version is at more significant bits than minor * version, so swap here. */ dev->caps.fw_ver = (fw_ver & 0xffff00000000ull) | ((fw_ver & 0xffff0000ull) >> 16) | ((fw_ver & 0x0000ffffull) << 16); MLX4_GET(lg, outbox, QUERY_FW_PPF_ID); dev->caps.function = lg; if (mlx4_is_slave(dev)) goto out; MLX4_GET(cmd_if_rev, outbox, QUERY_FW_CMD_IF_REV_OFFSET); if (cmd_if_rev < MLX4_COMMAND_INTERFACE_MIN_REV || cmd_if_rev > MLX4_COMMAND_INTERFACE_MAX_REV) { mlx4_err(dev, "Installed FW has unsupported command interface revision %d\n", cmd_if_rev); mlx4_err(dev, "(Installed FW version is %d.%d.%03d)\n", (int) (dev->caps.fw_ver >> 32), (int) (dev->caps.fw_ver >> 16) & 0xffff, (int) dev->caps.fw_ver & 0xffff); mlx4_err(dev, "This driver version supports only revisions %d to %d\n", MLX4_COMMAND_INTERFACE_MIN_REV, MLX4_COMMAND_INTERFACE_MAX_REV); err = -ENODEV; goto out; } if (cmd_if_rev < MLX4_COMMAND_INTERFACE_NEW_PORT_CMDS) dev->flags |= MLX4_FLAG_OLD_PORT_CMDS; MLX4_GET(lg, outbox, QUERY_FW_MAX_CMD_OFFSET); cmd->max_cmds = 1 << lg; mlx4_dbg(dev, "FW version %d.%d.%03d (cmd intf rev %d), max commands %d\n", (int) (dev->caps.fw_ver >> 32), (int) (dev->caps.fw_ver >> 16) & 0xffff, (int) dev->caps.fw_ver & 0xffff, cmd_if_rev, cmd->max_cmds); MLX4_GET(fw->catas_offset, outbox, QUERY_FW_ERR_START_OFFSET); MLX4_GET(fw->catas_size, outbox, QUERY_FW_ERR_SIZE_OFFSET); MLX4_GET(fw->catas_bar, outbox, QUERY_FW_ERR_BAR_OFFSET); fw->catas_bar = (fw->catas_bar >> 6) * 2; mlx4_dbg(dev, "Catastrophic error buffer at 0x%llx, size 0x%x, BAR %d\n", (unsigned long long) fw->catas_offset, fw->catas_size, fw->catas_bar); MLX4_GET(fw->fw_pages, outbox, QUERY_FW_SIZE_OFFSET); MLX4_GET(fw->clr_int_base, outbox, QUERY_FW_CLR_INT_BASE_OFFSET); MLX4_GET(fw->clr_int_bar, outbox, QUERY_FW_CLR_INT_BAR_OFFSET); fw->clr_int_bar = (fw->clr_int_bar >> 6) * 2; MLX4_GET(fw->comm_base, outbox, QUERY_FW_COMM_BASE_OFFSET); MLX4_GET(fw->comm_bar, outbox, QUERY_FW_COMM_BAR_OFFSET); fw->comm_bar = (fw->comm_bar >> 6) * 2; mlx4_dbg(dev, "Communication vector bar:%d offset:0x%llx\n", fw->comm_bar, fw->comm_base); mlx4_dbg(dev, "FW size %d KB\n", fw->fw_pages >> 2); MLX4_GET(fw->clock_offset, outbox, QUERY_FW_CLOCK_OFFSET); MLX4_GET(fw->clock_bar, outbox, QUERY_FW_CLOCK_BAR); fw->clock_bar = (fw->clock_bar >> 6) * 2; mlx4_dbg(dev, "Internal clock bar:%d offset:0x%llx\n", fw->clock_bar, fw->clock_offset); /* * Round up number of system pages needed in case * MLX4_ICM_PAGE_SIZE < PAGE_SIZE. */ fw->fw_pages = ALIGN(fw->fw_pages, PAGE_SIZE / MLX4_ICM_PAGE_SIZE) >> (PAGE_SHIFT - MLX4_ICM_PAGE_SHIFT); mlx4_dbg(dev, "Clear int @ %llx, BAR %d\n", (unsigned long long) fw->clr_int_base, fw->clr_int_bar); out: mlx4_free_cmd_mailbox(dev, mailbox); return err; } int mlx4_QUERY_FW_wrapper(struct mlx4_dev *dev, int slave, struct mlx4_vhcr *vhcr, struct mlx4_cmd_mailbox *inbox, struct mlx4_cmd_mailbox *outbox, struct mlx4_cmd_info *cmd) { u8 *outbuf; int err; outbuf = outbox->buf; err = mlx4_cmd_box(dev, 0, outbox->dma, 0, 0, MLX4_CMD_QUERY_FW, MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE); if (err) return err; /* for slaves, set pci PPF ID to invalid and zero out everything * else except FW version */ outbuf[0] = outbuf[1] = 0; memset(&outbuf[8], 0, QUERY_FW_OUT_SIZE - 8); outbuf[QUERY_FW_PPF_ID] = MLX4_INVALID_SLAVE_ID; return 0; } static void get_board_id(void *vsd, char *board_id) { int i; #define VSD_OFFSET_SIG1 0x00 #define VSD_OFFSET_SIG2 0xde #define VSD_OFFSET_MLX_BOARD_ID 0xd0 #define VSD_OFFSET_TS_BOARD_ID 0x20 #define VSD_SIGNATURE_TOPSPIN 0x5ad memset(board_id, 0, MLX4_BOARD_ID_LEN); if (be16_to_cpup(vsd + VSD_OFFSET_SIG1) == VSD_SIGNATURE_TOPSPIN && be16_to_cpup(vsd + VSD_OFFSET_SIG2) == VSD_SIGNATURE_TOPSPIN) { strscpy(board_id, vsd + VSD_OFFSET_TS_BOARD_ID, MLX4_BOARD_ID_LEN); } else { /* * The board ID is a string but the firmware byte * swaps each 4-byte word before passing it back to * us. Therefore we need to swab it before printing. */ u32 *bid_u32 = (u32 *)board_id; for (i = 0; i < 4; ++i) { u32 *addr; u32 val; addr = (u32 *) (vsd + VSD_OFFSET_MLX_BOARD_ID + i * 4); val = get_unaligned(addr); val = swab32(val); put_unaligned(val, &bid_u32[i]); } } } int mlx4_QUERY_ADAPTER(struct mlx4_dev *dev, struct mlx4_adapter *adapter) { struct mlx4_cmd_mailbox *mailbox; u32 *outbox; int err; #define QUERY_ADAPTER_OUT_SIZE 0x100 #define QUERY_ADAPTER_INTA_PIN_OFFSET 0x10 #define QUERY_ADAPTER_VSD_OFFSET 0x20 mailbox = mlx4_alloc_cmd_mailbox(dev); if (IS_ERR(mailbox)) return PTR_ERR(mailbox); outbox = mailbox->buf; err = mlx4_cmd_box(dev, 0, mailbox->dma, 0, 0, MLX4_CMD_QUERY_ADAPTER, MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE); if (err) goto out; MLX4_GET(adapter->inta_pin, outbox, QUERY_ADAPTER_INTA_PIN_OFFSET); get_board_id(outbox + QUERY_ADAPTER_VSD_OFFSET / 4, adapter->board_id); out: mlx4_free_cmd_mailbox(dev, mailbox); return err; } int mlx4_INIT_HCA(struct mlx4_dev *dev, struct mlx4_init_hca_param *param) { struct mlx4_cmd_mailbox *mailbox; __be32 *inbox; int err; static const u8 a0_dmfs_hw_steering[] = { [MLX4_STEERING_DMFS_A0_DEFAULT] = 0, [MLX4_STEERING_DMFS_A0_DYNAMIC] = 1, [MLX4_STEERING_DMFS_A0_STATIC] = 2, [MLX4_STEERING_DMFS_A0_DISABLE] = 3 }; #define INIT_HCA_IN_SIZE 0x200 #define INIT_HCA_VERSION_OFFSET 0x000 #define INIT_HCA_VERSION 2 #define INIT_HCA_VXLAN_OFFSET 0x0c #define INIT_HCA_CACHELINE_SZ_OFFSET 0x0e #define INIT_HCA_FLAGS_OFFSET 0x014 #define INIT_HCA_RECOVERABLE_ERROR_EVENT_OFFSET 0x018 #define INIT_HCA_QPC_OFFSET 0x020 #define INIT_HCA_QPC_BASE_OFFSET (INIT_HCA_QPC_OFFSET + 0x10) #define INIT_HCA_LOG_QP_OFFSET (INIT_HCA_QPC_OFFSET + 0x17) #define INIT_HCA_SRQC_BASE_OFFSET (INIT_HCA_QPC_OFFSET + 0x28) #define INIT_HCA_LOG_SRQ_OFFSET (INIT_HCA_QPC_OFFSET + 0x2f) #define INIT_HCA_CQC_BASE_OFFSET (INIT_HCA_QPC_OFFSET + 0x30) #define INIT_HCA_LOG_CQ_OFFSET (INIT_HCA_QPC_OFFSET + 0x37) #define INIT_HCA_EQE_CQE_OFFSETS (INIT_HCA_QPC_OFFSET + 0x38) #define INIT_HCA_EQE_CQE_STRIDE_OFFSET (INIT_HCA_QPC_OFFSET + 0x3b) #define INIT_HCA_ALTC_BASE_OFFSET (INIT_HCA_QPC_OFFSET + 0x40) #define INIT_HCA_AUXC_BASE_OFFSET (INIT_HCA_QPC_OFFSET + 0x50) #define INIT_HCA_EQC_BASE_OFFSET (INIT_HCA_QPC_OFFSET + 0x60) #define INIT_HCA_LOG_EQ_OFFSET (INIT_HCA_QPC_OFFSET + 0x67) #define INIT_HCA_NUM_SYS_EQS_OFFSET (INIT_HCA_QPC_OFFSET + 0x6a) #define INIT_HCA_RDMARC_BASE_OFFSET (INIT_HCA_QPC_OFFSET + 0x70) #define INIT_HCA_LOG_RD_OFFSET (INIT_HCA_QPC_OFFSET + 0x77) #define INIT_HCA_MCAST_OFFSET 0x0c0 #define INIT_HCA_MC_BASE_OFFSET (INIT_HCA_MCAST_OFFSET + 0x00) #define INIT_HCA_LOG_MC_ENTRY_SZ_OFFSET (INIT_HCA_MCAST_OFFSET + 0x13) #define INIT_HCA_LOG_MC_HASH_SZ_OFFSET (INIT_HCA_MCAST_OFFSET + 0x17) #define INIT_HCA_UC_STEERING_OFFSET (INIT_HCA_MCAST_OFFSET + 0x18) #define INIT_HCA_LOG_MC_TABLE_SZ_OFFSET (INIT_HCA_MCAST_OFFSET + 0x1b) #define INIT_HCA_DEVICE_MANAGED_FLOW_STEERING_EN 0x6 #define INIT_HCA_DRIVER_VERSION_OFFSET 0x140 #define INIT_HCA_DRIVER_VERSION_SZ 0x40 #define INIT_HCA_FS_PARAM_OFFSET 0x1d0 #define INIT_HCA_FS_BASE_OFFSET (INIT_HCA_FS_PARAM_OFFSET + 0x00) #define INIT_HCA_FS_LOG_ENTRY_SZ_OFFSET (INIT_HCA_FS_PARAM_OFFSET + 0x13) #define INIT_HCA_FS_A0_OFFSET (INIT_HCA_FS_PARAM_OFFSET + 0x18) #define INIT_HCA_FS_LOG_TABLE_SZ_OFFSET (INIT_HCA_FS_PARAM_OFFSET + 0x1b) #define INIT_HCA_FS_ETH_BITS_OFFSET (INIT_HCA_FS_PARAM_OFFSET + 0x21) #define INIT_HCA_FS_ETH_NUM_ADDRS_OFFSET (INIT_HCA_FS_PARAM_OFFSET + 0x22) #define INIT_HCA_FS_IB_BITS_OFFSET (INIT_HCA_FS_PARAM_OFFSET + 0x25) #define INIT_HCA_FS_IB_NUM_ADDRS_OFFSET (INIT_HCA_FS_PARAM_OFFSET + 0x26) #define INIT_HCA_TPT_OFFSET 0x0f0 #define INIT_HCA_DMPT_BASE_OFFSET (INIT_HCA_TPT_OFFSET + 0x00) #define INIT_HCA_TPT_MW_OFFSET (INIT_HCA_TPT_OFFSET + 0x08) #define INIT_HCA_LOG_MPT_SZ_OFFSET (INIT_HCA_TPT_OFFSET + 0x0b) #define INIT_HCA_MTT_BASE_OFFSET (INIT_HCA_TPT_OFFSET + 0x10) #define INIT_HCA_CMPT_BASE_OFFSET (INIT_HCA_TPT_OFFSET + 0x18) #define INIT_HCA_UAR_OFFSET 0x120 #define INIT_HCA_LOG_UAR_SZ_OFFSET (INIT_HCA_UAR_OFFSET + 0x0a) #define INIT_HCA_UAR_PAGE_SZ_OFFSET (INIT_HCA_UAR_OFFSET + 0x0b) mailbox = mlx4_alloc_cmd_mailbox(dev); if (IS_ERR(mailbox)) return PTR_ERR(mailbox); inbox = mailbox->buf; *((u8 *) mailbox->buf + INIT_HCA_VERSION_OFFSET) = INIT_HCA_VERSION; *((u8 *) mailbox->buf + INIT_HCA_CACHELINE_SZ_OFFSET) = ((ilog2(cache_line_size()) - 4) << 5) | (1 << 4); #if defined(__LITTLE_ENDIAN) *(inbox + INIT_HCA_FLAGS_OFFSET / 4) &= ~cpu_to_be32(1 << 1); #elif defined(__BIG_ENDIAN) *(inbox + INIT_HCA_FLAGS_OFFSET / 4) |= cpu_to_be32(1 << 1); #else #error Host endianness not defined #endif /* Check port for UD address vector: */ *(inbox + INIT_HCA_FLAGS_OFFSET / 4) |= cpu_to_be32(1); /* Enable IPoIB checksumming if we can: */ if (dev->caps.flags & MLX4_DEV_CAP_FLAG_IPOIB_CSUM) *(inbox + INIT_HCA_FLAGS_OFFSET / 4) |= cpu_to_be32(1 << 3); /* Enable QoS support if module parameter set */ if (dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_ETS_CFG && enable_qos) *(inbox + INIT_HCA_FLAGS_OFFSET / 4) |= cpu_to_be32(1 << 2); /* enable counters */ if (dev->caps.flags & MLX4_DEV_CAP_FLAG_COUNTERS) *(inbox + INIT_HCA_FLAGS_OFFSET / 4) |= cpu_to_be32(1 << 4); /* Enable RSS spread to fragmented IP packets when supported */ if (dev->caps.flags & MLX4_DEV_CAP_FLAG_RSS_IP_FRAG) *(inbox + INIT_HCA_FLAGS_OFFSET / 4) |= cpu_to_be32(1 << 13); /* CX3 is capable of extending CQEs/EQEs from 32 to 64 bytes */ if (dev->caps.flags & MLX4_DEV_CAP_FLAG_64B_EQE) { *(inbox + INIT_HCA_EQE_CQE_OFFSETS / 4) |= cpu_to_be32(1 << 29); dev->caps.eqe_size = 64; dev->caps.eqe_factor = 1; } else { dev->caps.eqe_size = 32; dev->caps.eqe_factor = 0; } if (dev->caps.flags & MLX4_DEV_CAP_FLAG_64B_CQE) { *(inbox + INIT_HCA_EQE_CQE_OFFSETS / 4) |= cpu_to_be32(1 << 30); dev->caps.cqe_size = 64; dev->caps.userspace_caps |= MLX4_USER_DEV_CAP_LARGE_CQE; } else { dev->caps.cqe_size = 32; } /* CX3 is capable of extending CQEs\EQEs to strides larger than 64B */ if ((dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_EQE_STRIDE) && (dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_CQE_STRIDE)) { dev->caps.eqe_size = cache_line_size(); dev->caps.cqe_size = cache_line_size(); dev->caps.eqe_factor = 0; MLX4_PUT(inbox, (u8)((ilog2(dev->caps.eqe_size) - 5) << 4 | (ilog2(dev->caps.eqe_size) - 5)), INIT_HCA_EQE_CQE_STRIDE_OFFSET); /* User still need to know to support CQE > 32B */ dev->caps.userspace_caps |= MLX4_USER_DEV_CAP_LARGE_CQE; } if (dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_RECOVERABLE_ERROR_EVENT) *(inbox + INIT_HCA_RECOVERABLE_ERROR_EVENT_OFFSET / 4) |= cpu_to_be32(1 << 31); if (dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_DRIVER_VERSION_TO_FW) { u8 *dst = (u8 *)(inbox + INIT_HCA_DRIVER_VERSION_OFFSET / 4); strncpy(dst, DRV_NAME_FOR_FW, INIT_HCA_DRIVER_VERSION_SZ - 1); mlx4_dbg(dev, "Reporting Driver Version to FW: %s\n", dst); } /* QPC/EEC/CQC/EQC/RDMARC attributes */ MLX4_PUT(inbox, param->qpc_base, INIT_HCA_QPC_BASE_OFFSET); MLX4_PUT(inbox, param->log_num_qps, INIT_HCA_LOG_QP_OFFSET); MLX4_PUT(inbox, param->srqc_base, INIT_HCA_SRQC_BASE_OFFSET); MLX4_PUT(inbox, param->log_num_srqs, INIT_HCA_LOG_SRQ_OFFSET); MLX4_PUT(inbox, param->cqc_base, INIT_HCA_CQC_BASE_OFFSET); MLX4_PUT(inbox, param->log_num_cqs, INIT_HCA_LOG_CQ_OFFSET); MLX4_PUT(inbox, param->altc_base, INIT_HCA_ALTC_BASE_OFFSET); MLX4_PUT(inbox, param->auxc_base, INIT_HCA_AUXC_BASE_OFFSET); MLX4_PUT(inbox, param->eqc_base, INIT_HCA_EQC_BASE_OFFSET); MLX4_PUT(inbox, param->log_num_eqs, INIT_HCA_LOG_EQ_OFFSET); MLX4_PUT(inbox, param->num_sys_eqs, INIT_HCA_NUM_SYS_EQS_OFFSET); MLX4_PUT(inbox, param->rdmarc_base, INIT_HCA_RDMARC_BASE_OFFSET); MLX4_PUT(inbox, param->log_rd_per_qp, INIT_HCA_LOG_RD_OFFSET); /* steering attributes */ if (dev->caps.steering_mode == MLX4_STEERING_MODE_DEVICE_MANAGED) { *(inbox + INIT_HCA_FLAGS_OFFSET / 4) |= cpu_to_be32(1 << INIT_HCA_DEVICE_MANAGED_FLOW_STEERING_EN); MLX4_PUT(inbox, param->mc_base, INIT_HCA_FS_BASE_OFFSET); MLX4_PUT(inbox, param->log_mc_entry_sz, INIT_HCA_FS_LOG_ENTRY_SZ_OFFSET); MLX4_PUT(inbox, param->log_mc_table_sz, INIT_HCA_FS_LOG_TABLE_SZ_OFFSET); /* Enable Ethernet flow steering * with udp unicast and tcp unicast */ if (dev->caps.dmfs_high_steer_mode != MLX4_STEERING_DMFS_A0_STATIC) MLX4_PUT(inbox, (u8)(MLX4_FS_UDP_UC_EN | MLX4_FS_TCP_UC_EN), INIT_HCA_FS_ETH_BITS_OFFSET); MLX4_PUT(inbox, (u16) MLX4_FS_NUM_OF_L2_ADDR, INIT_HCA_FS_ETH_NUM_ADDRS_OFFSET); /* Enable IPoIB flow steering * with udp unicast and tcp unicast */ MLX4_PUT(inbox, (u8) (MLX4_FS_UDP_UC_EN | MLX4_FS_TCP_UC_EN), INIT_HCA_FS_IB_BITS_OFFSET); MLX4_PUT(inbox, (u16) MLX4_FS_NUM_OF_L2_ADDR, INIT_HCA_FS_IB_NUM_ADDRS_OFFSET); if (dev->caps.dmfs_high_steer_mode != MLX4_STEERING_DMFS_A0_NOT_SUPPORTED) MLX4_PUT(inbox, ((u8)(a0_dmfs_hw_steering[dev->caps.dmfs_high_steer_mode] << 6)), INIT_HCA_FS_A0_OFFSET); } else { MLX4_PUT(inbox, param->mc_base, INIT_HCA_MC_BASE_OFFSET); MLX4_PUT(inbox, param->log_mc_entry_sz, INIT_HCA_LOG_MC_ENTRY_SZ_OFFSET); MLX4_PUT(inbox, param->log_mc_hash_sz, INIT_HCA_LOG_MC_HASH_SZ_OFFSET); MLX4_PUT(inbox, param->log_mc_table_sz, INIT_HCA_LOG_MC_TABLE_SZ_OFFSET); if (dev->caps.steering_mode == MLX4_STEERING_MODE_B0) MLX4_PUT(inbox, (u8) (1 << 3), INIT_HCA_UC_STEERING_OFFSET); } /* TPT attributes */ MLX4_PUT(inbox, param->dmpt_base, INIT_HCA_DMPT_BASE_OFFSET); MLX4_PUT(inbox, param->mw_enabled, INIT_HCA_TPT_MW_OFFSET); MLX4_PUT(inbox, param->log_mpt_sz, INIT_HCA_LOG_MPT_SZ_OFFSET); MLX4_PUT(inbox, param->mtt_base, INIT_HCA_MTT_BASE_OFFSET); MLX4_PUT(inbox, param->cmpt_base, INIT_HCA_CMPT_BASE_OFFSET); /* UAR attributes */ MLX4_PUT(inbox, param->uar_page_sz, INIT_HCA_UAR_PAGE_SZ_OFFSET); MLX4_PUT(inbox, param->log_uar_sz, INIT_HCA_LOG_UAR_SZ_OFFSET); /* set parser VXLAN attributes */ if (dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_VXLAN_OFFLOADS) { u8 parser_params = 0; MLX4_PUT(inbox, parser_params, INIT_HCA_VXLAN_OFFSET); } err = mlx4_cmd(dev, mailbox->dma, 0, 0, MLX4_CMD_INIT_HCA, MLX4_CMD_TIME_CLASS_C, MLX4_CMD_NATIVE); if (err) mlx4_err(dev, "INIT_HCA returns %d\n", err); mlx4_free_cmd_mailbox(dev, mailbox); return err; } int mlx4_QUERY_HCA(struct mlx4_dev *dev, struct mlx4_init_hca_param *param) { struct mlx4_cmd_mailbox *mailbox; __be32 *outbox; u64 qword_field; u32 dword_field; u16 word_field; u8 byte_field; int err; static const u8 a0_dmfs_query_hw_steering[] = { [0] = MLX4_STEERING_DMFS_A0_DEFAULT, [1] = MLX4_STEERING_DMFS_A0_DYNAMIC, [2] = MLX4_STEERING_DMFS_A0_STATIC, [3] = MLX4_STEERING_DMFS_A0_DISABLE }; #define QUERY_HCA_GLOBAL_CAPS_OFFSET 0x04 #define QUERY_HCA_CORE_CLOCK_OFFSET 0x0c mailbox = mlx4_alloc_cmd_mailbox(dev); if (IS_ERR(mailbox)) return PTR_ERR(mailbox); outbox = mailbox->buf; err = mlx4_cmd_box(dev, 0, mailbox->dma, 0, 0, MLX4_CMD_QUERY_HCA, MLX4_CMD_TIME_CLASS_B, !mlx4_is_slave(dev)); if (err) goto out; MLX4_GET(param->global_caps, outbox, QUERY_HCA_GLOBAL_CAPS_OFFSET); MLX4_GET(param->hca_core_clock, outbox, QUERY_HCA_CORE_CLOCK_OFFSET); /* QPC/EEC/CQC/EQC/RDMARC attributes */ MLX4_GET(qword_field, outbox, INIT_HCA_QPC_BASE_OFFSET); param->qpc_base = qword_field & ~((u64)0x1f); MLX4_GET(byte_field, outbox, INIT_HCA_LOG_QP_OFFSET); param->log_num_qps = byte_field & 0x1f; MLX4_GET(qword_field, outbox, INIT_HCA_SRQC_BASE_OFFSET); param->srqc_base = qword_field & ~((u64)0x1f); MLX4_GET(byte_field, outbox, INIT_HCA_LOG_SRQ_OFFSET); param->log_num_srqs = byte_field & 0x1f; MLX4_GET(qword_field, outbox, INIT_HCA_CQC_BASE_OFFSET); param->cqc_base = qword_field & ~((u64)0x1f); MLX4_GET(byte_field, outbox, INIT_HCA_LOG_CQ_OFFSET); param->log_num_cqs = byte_field & 0x1f; MLX4_GET(qword_field, outbox, INIT_HCA_ALTC_BASE_OFFSET); param->altc_base = qword_field; MLX4_GET(qword_field, outbox, INIT_HCA_AUXC_BASE_OFFSET); param->auxc_base = qword_field; MLX4_GET(qword_field, outbox, INIT_HCA_EQC_BASE_OFFSET); param->eqc_base = qword_field & ~((u64)0x1f); MLX4_GET(byte_field, outbox, INIT_HCA_LOG_EQ_OFFSET); param->log_num_eqs = byte_field & 0x1f; MLX4_GET(word_field, outbox, INIT_HCA_NUM_SYS_EQS_OFFSET); param->num_sys_eqs = word_field & 0xfff; MLX4_GET(qword_field, outbox, INIT_HCA_RDMARC_BASE_OFFSET); param->rdmarc_base = qword_field & ~((u64)0x1f); MLX4_GET(byte_field, outbox, INIT_HCA_LOG_RD_OFFSET); param->log_rd_per_qp = byte_field & 0x7; MLX4_GET(dword_field, outbox, INIT_HCA_FLAGS_OFFSET); if (dword_field & (1 << INIT_HCA_DEVICE_MANAGED_FLOW_STEERING_EN)) { param->steering_mode = MLX4_STEERING_MODE_DEVICE_MANAGED; } else { MLX4_GET(byte_field, outbox, INIT_HCA_UC_STEERING_OFFSET); if (byte_field & 0x8) param->steering_mode = MLX4_STEERING_MODE_B0; else param->steering_mode = MLX4_STEERING_MODE_A0; } if (dword_field & (1 << 13)) param->rss_ip_frags = 1; /* steering attributes */ if (param->steering_mode == MLX4_STEERING_MODE_DEVICE_MANAGED) { MLX4_GET(param->mc_base, outbox, INIT_HCA_FS_BASE_OFFSET); MLX4_GET(byte_field, outbox, INIT_HCA_FS_LOG_ENTRY_SZ_OFFSET); param->log_mc_entry_sz = byte_field & 0x1f; MLX4_GET(byte_field, outbox, INIT_HCA_FS_LOG_TABLE_SZ_OFFSET); param->log_mc_table_sz = byte_field & 0x1f; MLX4_GET(byte_field, outbox, INIT_HCA_FS_A0_OFFSET); param->dmfs_high_steer_mode = a0_dmfs_query_hw_steering[(byte_field >> 6) & 3]; } else { MLX4_GET(param->mc_base, outbox, INIT_HCA_MC_BASE_OFFSET); MLX4_GET(byte_field, outbox, INIT_HCA_LOG_MC_ENTRY_SZ_OFFSET); param->log_mc_entry_sz = byte_field & 0x1f; MLX4_GET(byte_field, outbox, INIT_HCA_LOG_MC_HASH_SZ_OFFSET); param->log_mc_hash_sz = byte_field & 0x1f; MLX4_GET(byte_field, outbox, INIT_HCA_LOG_MC_TABLE_SZ_OFFSET); param->log_mc_table_sz = byte_field & 0x1f; } /* CX3 is capable of extending CQEs/EQEs from 32 to 64 bytes */ MLX4_GET(byte_field, outbox, INIT_HCA_EQE_CQE_OFFSETS); if (byte_field & 0x20) /* 64-bytes eqe enabled */ param->dev_cap_enabled |= MLX4_DEV_CAP_64B_EQE_ENABLED; if (byte_field & 0x40) /* 64-bytes cqe enabled */ param->dev_cap_enabled |= MLX4_DEV_CAP_64B_CQE_ENABLED; /* CX3 is capable of extending CQEs\EQEs to strides larger than 64B */ MLX4_GET(byte_field, outbox, INIT_HCA_EQE_CQE_STRIDE_OFFSET); if (byte_field) { param->dev_cap_enabled |= MLX4_DEV_CAP_EQE_STRIDE_ENABLED; param->dev_cap_enabled |= MLX4_DEV_CAP_CQE_STRIDE_ENABLED; param->cqe_size = 1 << ((byte_field & MLX4_CQE_SIZE_MASK_STRIDE) + 5); param->eqe_size = 1 << (((byte_field & MLX4_EQE_SIZE_MASK_STRIDE) >> 4) + 5); } /* TPT attributes */ MLX4_GET(param->dmpt_base, outbox, INIT_HCA_DMPT_BASE_OFFSET); MLX4_GET(byte_field, outbox, INIT_HCA_TPT_MW_OFFSET); param->mw_enabled = byte_field >> 7; MLX4_GET(byte_field, outbox, INIT_HCA_LOG_MPT_SZ_OFFSET); param->log_mpt_sz = byte_field & 0x3f; MLX4_GET(param->mtt_base, outbox, INIT_HCA_MTT_BASE_OFFSET); MLX4_GET(param->cmpt_base, outbox, INIT_HCA_CMPT_BASE_OFFSET); /* UAR attributes */ MLX4_GET(param->uar_page_sz, outbox, INIT_HCA_UAR_PAGE_SZ_OFFSET); MLX4_GET(byte_field, outbox, INIT_HCA_LOG_UAR_SZ_OFFSET); param->log_uar_sz = byte_field & 0xf; /* phv_check enable */ MLX4_GET(byte_field, outbox, INIT_HCA_CACHELINE_SZ_OFFSET); if (byte_field & 0x2) param->phv_check_en = 1; out: mlx4_free_cmd_mailbox(dev, mailbox); return err; } static int mlx4_hca_core_clock_update(struct mlx4_dev *dev) { struct mlx4_cmd_mailbox *mailbox; __be32 *outbox; int err; mailbox = mlx4_alloc_cmd_mailbox(dev); if (IS_ERR(mailbox)) { mlx4_warn(dev, "hca_core_clock mailbox allocation failed\n"); return PTR_ERR(mailbox); } outbox = mailbox->buf; err = mlx4_cmd_box(dev, 0, mailbox->dma, 0, 0, MLX4_CMD_QUERY_HCA, MLX4_CMD_TIME_CLASS_B, !mlx4_is_slave(dev)); if (err) { mlx4_warn(dev, "hca_core_clock update failed\n"); goto out; } MLX4_GET(dev->caps.hca_core_clock, outbox, QUERY_HCA_CORE_CLOCK_OFFSET); out: mlx4_free_cmd_mailbox(dev, mailbox); return err; } /* for IB-type ports only in SRIOV mode. Checks that both proxy QP0 * and real QP0 are active, so that the paravirtualized QP0 is ready * to operate */ static int check_qp0_state(struct mlx4_dev *dev, int function, int port) { struct mlx4_priv *priv = mlx4_priv(dev); /* irrelevant if not infiniband */ if (priv->mfunc.master.qp0_state[port].proxy_qp0_active && priv->mfunc.master.qp0_state[port].qp0_active) return 1; return 0; } int mlx4_INIT_PORT_wrapper(struct mlx4_dev *dev, int slave, struct mlx4_vhcr *vhcr, struct mlx4_cmd_mailbox *inbox, struct mlx4_cmd_mailbox *outbox, struct mlx4_cmd_info *cmd) { struct mlx4_priv *priv = mlx4_priv(dev); int port = mlx4_slave_convert_port(dev, slave, vhcr->in_modifier); int err; if (port < 0) return -EINVAL; if (priv->mfunc.master.slave_state[slave].init_port_mask & (1 << port)) return 0; if (dev->caps.port_mask[port] != MLX4_PORT_TYPE_IB) { /* Enable port only if it was previously disabled */ if (!priv->mfunc.master.init_port_ref[port]) { err = mlx4_cmd(dev, 0, port, 0, MLX4_CMD_INIT_PORT, MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE); if (err) return err; } priv->mfunc.master.slave_state[slave].init_port_mask |= (1 << port); } else { if (slave == mlx4_master_func_num(dev)) { if (check_qp0_state(dev, slave, port) && !priv->mfunc.master.qp0_state[port].port_active) { err = mlx4_cmd(dev, 0, port, 0, MLX4_CMD_INIT_PORT, MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE); if (err) return err; priv->mfunc.master.qp0_state[port].port_active = 1; priv->mfunc.master.slave_state[slave].init_port_mask |= (1 << port); } } else priv->mfunc.master.slave_state[slave].init_port_mask |= (1 << port); } ++priv->mfunc.master.init_port_ref[port]; return 0; } int mlx4_INIT_PORT(struct mlx4_dev *dev, int port) { struct mlx4_cmd_mailbox *mailbox; u32 *inbox; int err; u32 flags; u16 field; if (dev->flags & MLX4_FLAG_OLD_PORT_CMDS) { #define INIT_PORT_IN_SIZE 256 #define INIT_PORT_FLAGS_OFFSET 0x00 #define INIT_PORT_FLAG_SIG (1 << 18) #define INIT_PORT_FLAG_NG (1 << 17) #define INIT_PORT_FLAG_G0 (1 << 16) #define INIT_PORT_VL_SHIFT 4 #define INIT_PORT_PORT_WIDTH_SHIFT 8 #define INIT_PORT_MTU_OFFSET 0x04 #define INIT_PORT_MAX_GID_OFFSET 0x06 #define INIT_PORT_MAX_PKEY_OFFSET 0x0a #define INIT_PORT_GUID0_OFFSET 0x10 #define INIT_PORT_NODE_GUID_OFFSET 0x18 #define INIT_PORT_SI_GUID_OFFSET 0x20 mailbox = mlx4_alloc_cmd_mailbox(dev); if (IS_ERR(mailbox)) return PTR_ERR(mailbox); inbox = mailbox->buf; flags = 0; flags |= (dev->caps.vl_cap[port] & 0xf) << INIT_PORT_VL_SHIFT; flags |= (dev->caps.port_width_cap[port] & 0xf) << INIT_PORT_PORT_WIDTH_SHIFT; MLX4_PUT(inbox, flags, INIT_PORT_FLAGS_OFFSET); field = 128 << dev->caps.ib_mtu_cap[port]; MLX4_PUT(inbox, field, INIT_PORT_MTU_OFFSET); field = dev->caps.gid_table_len[port]; MLX4_PUT(inbox, field, INIT_PORT_MAX_GID_OFFSET); field = dev->caps.pkey_table_len[port]; MLX4_PUT(inbox, field, INIT_PORT_MAX_PKEY_OFFSET); err = mlx4_cmd(dev, mailbox->dma, port, 0, MLX4_CMD_INIT_PORT, MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE); mlx4_free_cmd_mailbox(dev, mailbox); } else err = mlx4_cmd(dev, 0, port, 0, MLX4_CMD_INIT_PORT, MLX4_CMD_TIME_CLASS_A, MLX4_CMD_WRAPPED); if (!err) mlx4_hca_core_clock_update(dev); return err; } EXPORT_SYMBOL_GPL(mlx4_INIT_PORT); int mlx4_CLOSE_PORT_wrapper(struct mlx4_dev *dev, int slave, struct mlx4_vhcr *vhcr, struct mlx4_cmd_mailbox *inbox, struct mlx4_cmd_mailbox *outbox, struct mlx4_cmd_info *cmd) { struct mlx4_priv *priv = mlx4_priv(dev); int port = mlx4_slave_convert_port(dev, slave, vhcr->in_modifier); int err; if (port < 0) return -EINVAL; if (!(priv->mfunc.master.slave_state[slave].init_port_mask & (1 << port))) return 0; if (dev->caps.port_mask[port] != MLX4_PORT_TYPE_IB) { if (priv->mfunc.master.init_port_ref[port] == 1) { err = mlx4_cmd(dev, 0, port, 0, MLX4_CMD_CLOSE_PORT, MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE); if (err) return err; } priv->mfunc.master.slave_state[slave].init_port_mask &= ~(1 << port); } else { /* infiniband port */ if (slave == mlx4_master_func_num(dev)) { if (!priv->mfunc.master.qp0_state[port].qp0_active && priv->mfunc.master.qp0_state[port].port_active) { err = mlx4_cmd(dev, 0, port, 0, MLX4_CMD_CLOSE_PORT, MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE); if (err) return err; priv->mfunc.master.slave_state[slave].init_port_mask &= ~(1 << port); priv->mfunc.master.qp0_state[port].port_active = 0; } } else priv->mfunc.master.slave_state[slave].init_port_mask &= ~(1 << port); } --priv->mfunc.master.init_port_ref[port]; return 0; } int mlx4_CLOSE_PORT(struct mlx4_dev *dev, int port) { return mlx4_cmd(dev, 0, port, 0, MLX4_CMD_CLOSE_PORT, MLX4_CMD_TIME_CLASS_A, MLX4_CMD_WRAPPED); } EXPORT_SYMBOL_GPL(mlx4_CLOSE_PORT); int mlx4_CLOSE_HCA(struct mlx4_dev *dev, int panic) { return mlx4_cmd(dev, 0, 0, panic, MLX4_CMD_CLOSE_HCA, MLX4_CMD_TIME_CLASS_C, MLX4_CMD_NATIVE); } struct mlx4_config_dev { __be32 update_flags; __be32 rsvd1[3]; __be16 vxlan_udp_dport; __be16 rsvd2; __be16 roce_v2_entropy; __be16 roce_v2_udp_dport; __be32 roce_flags; __be32 rsvd4[25]; __be16 rsvd5; u8 rsvd6; u8 rx_checksum_val; }; #define MLX4_VXLAN_UDP_DPORT (1 << 0) #define MLX4_ROCE_V2_UDP_DPORT BIT(3) #define MLX4_DISABLE_RX_PORT BIT(18) static int mlx4_CONFIG_DEV_set(struct mlx4_dev *dev, struct mlx4_config_dev *config_dev) { int err; struct mlx4_cmd_mailbox *mailbox; mailbox = mlx4_alloc_cmd_mailbox(dev); if (IS_ERR(mailbox)) return PTR_ERR(mailbox); memcpy(mailbox->buf, config_dev, sizeof(*config_dev)); err = mlx4_cmd(dev, mailbox->dma, 0, 0, MLX4_CMD_CONFIG_DEV, MLX4_CMD_TIME_CLASS_B, MLX4_CMD_NATIVE); mlx4_free_cmd_mailbox(dev, mailbox); return err; } static int mlx4_CONFIG_DEV_get(struct mlx4_dev *dev, struct mlx4_config_dev *config_dev) { int err; struct mlx4_cmd_mailbox *mailbox; mailbox = mlx4_alloc_cmd_mailbox(dev); if (IS_ERR(mailbox)) return PTR_ERR(mailbox); err = mlx4_cmd_box(dev, 0, mailbox->dma, 0, 1, MLX4_CMD_CONFIG_DEV, MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE); if (!err) memcpy(config_dev, mailbox->buf, sizeof(*config_dev)); mlx4_free_cmd_mailbox(dev, mailbox); return err; } /* Conversion between the HW values and the actual functionality. * The value represented by the array index, * and the functionality determined by the flags. */ static const u8 config_dev_csum_flags[] = { [0] = 0, [1] = MLX4_RX_CSUM_MODE_VAL_NON_TCP_UDP, [2] = MLX4_RX_CSUM_MODE_VAL_NON_TCP_UDP | MLX4_RX_CSUM_MODE_L4, [3] = MLX4_RX_CSUM_MODE_L4 | MLX4_RX_CSUM_MODE_IP_OK_IP_NON_TCP_UDP | MLX4_RX_CSUM_MODE_MULTI_VLAN }; int mlx4_config_dev_retrieval(struct mlx4_dev *dev, struct mlx4_config_dev_params *params) { struct mlx4_config_dev config_dev = {0}; int err; u8 csum_mask; #define CONFIG_DEV_RX_CSUM_MODE_MASK 0x7 #define CONFIG_DEV_RX_CSUM_MODE_PORT1_BIT_OFFSET 0 #define CONFIG_DEV_RX_CSUM_MODE_PORT2_BIT_OFFSET 4 if (!(dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_CONFIG_DEV)) return -EOPNOTSUPP; err = mlx4_CONFIG_DEV_get(dev, &config_dev); if (err) return err; csum_mask = (config_dev.rx_checksum_val >> CONFIG_DEV_RX_CSUM_MODE_PORT1_BIT_OFFSET) & CONFIG_DEV_RX_CSUM_MODE_MASK; if (csum_mask >= ARRAY_SIZE(config_dev_csum_flags)) return -EINVAL; params->rx_csum_flags_port_1 = config_dev_csum_flags[csum_mask]; csum_mask = (config_dev.rx_checksum_val >> CONFIG_DEV_RX_CSUM_MODE_PORT2_BIT_OFFSET) & CONFIG_DEV_RX_CSUM_MODE_MASK; if (csum_mask >= ARRAY_SIZE(config_dev_csum_flags)) return -EINVAL; params->rx_csum_flags_port_2 = config_dev_csum_flags[csum_mask]; params->vxlan_udp_dport = be16_to_cpu(config_dev.vxlan_udp_dport); return 0; } EXPORT_SYMBOL_GPL(mlx4_config_dev_retrieval); int mlx4_config_vxlan_port(struct mlx4_dev *dev, __be16 udp_port) { struct mlx4_config_dev config_dev; memset(&config_dev, 0, sizeof(config_dev)); config_dev.update_flags = cpu_to_be32(MLX4_VXLAN_UDP_DPORT); config_dev.vxlan_udp_dport = udp_port; return mlx4_CONFIG_DEV_set(dev, &config_dev); } EXPORT_SYMBOL_GPL(mlx4_config_vxlan_port); #define CONFIG_DISABLE_RX_PORT BIT(15) int mlx4_disable_rx_port_check(struct mlx4_dev *dev, bool dis) { struct mlx4_config_dev config_dev; memset(&config_dev, 0, sizeof(config_dev)); config_dev.update_flags = cpu_to_be32(MLX4_DISABLE_RX_PORT); if (dis) config_dev.roce_flags = cpu_to_be32(CONFIG_DISABLE_RX_PORT); return mlx4_CONFIG_DEV_set(dev, &config_dev); } int mlx4_config_roce_v2_port(struct mlx4_dev *dev, u16 udp_port) { struct mlx4_config_dev config_dev; memset(&config_dev, 0, sizeof(config_dev)); config_dev.update_flags = cpu_to_be32(MLX4_ROCE_V2_UDP_DPORT); config_dev.roce_v2_udp_dport = cpu_to_be16(udp_port); return mlx4_CONFIG_DEV_set(dev, &config_dev); } EXPORT_SYMBOL_GPL(mlx4_config_roce_v2_port); int mlx4_virt2phy_port_map(struct mlx4_dev *dev, u32 port1, u32 port2) { struct mlx4_cmd_mailbox *mailbox; struct { __be32 v_port1; __be32 v_port2; } *v2p; int err; mailbox = mlx4_alloc_cmd_mailbox(dev); if (IS_ERR(mailbox)) return -ENOMEM; v2p = mailbox->buf; v2p->v_port1 = cpu_to_be32(port1); v2p->v_port2 = cpu_to_be32(port2); err = mlx4_cmd(dev, mailbox->dma, 0, MLX4_SET_PORT_VIRT2PHY, MLX4_CMD_VIRT_PORT_MAP, MLX4_CMD_TIME_CLASS_B, MLX4_CMD_NATIVE); mlx4_free_cmd_mailbox(dev, mailbox); return err; } int mlx4_SET_ICM_SIZE(struct mlx4_dev *dev, u64 icm_size, u64 *aux_pages) { int ret = mlx4_cmd_imm(dev, icm_size, aux_pages, 0, 0, MLX4_CMD_SET_ICM_SIZE, MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE); if (ret) return ret; /* * Round up number of system pages needed in case * MLX4_ICM_PAGE_SIZE < PAGE_SIZE. */ *aux_pages = ALIGN(*aux_pages, PAGE_SIZE / MLX4_ICM_PAGE_SIZE) >> (PAGE_SHIFT - MLX4_ICM_PAGE_SHIFT); return 0; } int mlx4_NOP(struct mlx4_dev *dev) { /* Input modifier of 0x1f means "finish as soon as possible." */ return mlx4_cmd(dev, 0, 0x1f, 0, MLX4_CMD_NOP, MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE); } int mlx4_query_diag_counters(struct mlx4_dev *dev, u8 op_modifier, const u32 offset[], u32 value[], size_t array_len, u8 port) { struct mlx4_cmd_mailbox *mailbox; u32 *outbox; size_t i; int ret; mailbox = mlx4_alloc_cmd_mailbox(dev); if (IS_ERR(mailbox)) return PTR_ERR(mailbox); outbox = mailbox->buf; ret = mlx4_cmd_box(dev, 0, mailbox->dma, port, op_modifier, MLX4_CMD_DIAG_RPRT, MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE); if (ret) goto out; for (i = 0; i < array_len; i++) { if (offset[i] > MLX4_MAILBOX_SIZE) { ret = -EINVAL; goto out; } MLX4_GET(value[i], outbox, offset[i]); } out: mlx4_free_cmd_mailbox(dev, mailbox); return ret; } EXPORT_SYMBOL(mlx4_query_diag_counters); int mlx4_get_phys_port_id(struct mlx4_dev *dev) { u8 port; u32 *outbox; struct mlx4_cmd_mailbox *mailbox; u32 in_mod; u32 guid_hi, guid_lo; int err, ret = 0; #define MOD_STAT_CFG_PORT_OFFSET 8 #define MOD_STAT_CFG_GUID_H 0X14 #define MOD_STAT_CFG_GUID_L 0X1c mailbox = mlx4_alloc_cmd_mailbox(dev); if (IS_ERR(mailbox)) return PTR_ERR(mailbox); outbox = mailbox->buf; for (port = 1; port <= dev->caps.num_ports; port++) { in_mod = port << MOD_STAT_CFG_PORT_OFFSET; err = mlx4_cmd_box(dev, 0, mailbox->dma, in_mod, 0x2, MLX4_CMD_MOD_STAT_CFG, MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE); if (err) { mlx4_err(dev, "Fail to get port %d uplink guid\n", port); ret = err; } else { MLX4_GET(guid_hi, outbox, MOD_STAT_CFG_GUID_H); MLX4_GET(guid_lo, outbox, MOD_STAT_CFG_GUID_L); dev->caps.phys_port_id[port] = (u64)guid_lo | (u64)guid_hi << 32; } } mlx4_free_cmd_mailbox(dev, mailbox); return ret; } #define MLX4_WOL_SETUP_MODE (5 << 28) int mlx4_wol_read(struct mlx4_dev *dev, u64 *config, int port) { u32 in_mod = MLX4_WOL_SETUP_MODE | port << 8; return mlx4_cmd_imm(dev, 0, config, in_mod, 0x3, MLX4_CMD_MOD_STAT_CFG, MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE); } EXPORT_SYMBOL_GPL(mlx4_wol_read); int mlx4_wol_write(struct mlx4_dev *dev, u64 config, int port) { u32 in_mod = MLX4_WOL_SETUP_MODE | port << 8; return mlx4_cmd(dev, config, in_mod, 0x1, MLX4_CMD_MOD_STAT_CFG, MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE); } EXPORT_SYMBOL_GPL(mlx4_wol_write); enum { ADD_TO_MCG = 0x26, }; void mlx4_opreq_action(struct work_struct *work) { struct mlx4_priv *priv = container_of(work, struct mlx4_priv, opreq_task); struct mlx4_dev *dev = &priv->dev; int num_tasks = atomic_read(&priv->opreq_count); struct mlx4_cmd_mailbox *mailbox; struct mlx4_mgm *mgm; u32 *outbox; u32 modifier; u16 token; u16 type; int err; u32 num_qps; struct mlx4_qp qp; int i; u8 rem_mcg; u8 prot; #define GET_OP_REQ_MODIFIER_OFFSET 0x08 #define GET_OP_REQ_TOKEN_OFFSET 0x14 #define GET_OP_REQ_TYPE_OFFSET 0x1a #define GET_OP_REQ_DATA_OFFSET 0x20 mailbox = mlx4_alloc_cmd_mailbox(dev); if (IS_ERR(mailbox)) { mlx4_err(dev, "Failed to allocate mailbox for GET_OP_REQ\n"); return; } outbox = mailbox->buf; while (num_tasks) { err = mlx4_cmd_box(dev, 0, mailbox->dma, 0, 0, MLX4_CMD_GET_OP_REQ, MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE); if (err) { mlx4_err(dev, "Failed to retrieve required operation: %d\n", err); goto out; } MLX4_GET(modifier, outbox, GET_OP_REQ_MODIFIER_OFFSET); MLX4_GET(token, outbox, GET_OP_REQ_TOKEN_OFFSET); MLX4_GET(type, outbox, GET_OP_REQ_TYPE_OFFSET); type &= 0xfff; switch (type) { case ADD_TO_MCG: if (dev->caps.steering_mode == MLX4_STEERING_MODE_DEVICE_MANAGED) { mlx4_warn(dev, "ADD MCG operation is not supported in DEVICE_MANAGED steering mode\n"); err = EPERM; break; } mgm = (struct mlx4_mgm *)((u8 *)(outbox) + GET_OP_REQ_DATA_OFFSET); num_qps = be32_to_cpu(mgm->members_count) & MGM_QPN_MASK; rem_mcg = ((u8 *)(&mgm->members_count))[0] & 1; prot = ((u8 *)(&mgm->members_count))[0] >> 6; for (i = 0; i < num_qps; i++) { qp.qpn = be32_to_cpu(mgm->qp[i]); if (rem_mcg) err = mlx4_multicast_detach(dev, &qp, mgm->gid, prot, 0); else err = mlx4_multicast_attach(dev, &qp, mgm->gid, mgm->gid[5] , 0, prot, NULL); if (err) break; } break; default: mlx4_warn(dev, "Bad type for required operation\n"); err = EINVAL; break; } err = mlx4_cmd(dev, 0, ((u32) err | (__force u32)cpu_to_be32(token) << 16), 1, MLX4_CMD_GET_OP_REQ, MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE); if (err) { mlx4_err(dev, "Failed to acknowledge required request: %d\n", err); goto out; } memset(outbox, 0, 0xffc); num_tasks = atomic_dec_return(&priv->opreq_count); } out: mlx4_free_cmd_mailbox(dev, mailbox); } static int mlx4_check_smp_firewall_active(struct mlx4_dev *dev, struct mlx4_cmd_mailbox *mailbox) { #define MLX4_CMD_MAD_DEMUX_SET_ATTR_OFFSET 0x10 #define MLX4_CMD_MAD_DEMUX_GETRESP_ATTR_OFFSET 0x20 #define MLX4_CMD_MAD_DEMUX_TRAP_ATTR_OFFSET 0x40 #define MLX4_CMD_MAD_DEMUX_TRAP_REPRESS_ATTR_OFFSET 0x70 u32 set_attr_mask, getresp_attr_mask; u32 trap_attr_mask, traprepress_attr_mask; MLX4_GET(set_attr_mask, mailbox->buf, MLX4_CMD_MAD_DEMUX_SET_ATTR_OFFSET); mlx4_dbg(dev, "SMP firewall set_attribute_mask = 0x%x\n", set_attr_mask); MLX4_GET(getresp_attr_mask, mailbox->buf, MLX4_CMD_MAD_DEMUX_GETRESP_ATTR_OFFSET); mlx4_dbg(dev, "SMP firewall getresp_attribute_mask = 0x%x\n", getresp_attr_mask); MLX4_GET(trap_attr_mask, mailbox->buf, MLX4_CMD_MAD_DEMUX_TRAP_ATTR_OFFSET); mlx4_dbg(dev, "SMP firewall trap_attribute_mask = 0x%x\n", trap_attr_mask); MLX4_GET(traprepress_attr_mask, mailbox->buf, MLX4_CMD_MAD_DEMUX_TRAP_REPRESS_ATTR_OFFSET); mlx4_dbg(dev, "SMP firewall traprepress_attribute_mask = 0x%x\n", traprepress_attr_mask); if (set_attr_mask && getresp_attr_mask && trap_attr_mask && traprepress_attr_mask) return 1; return 0; } int mlx4_config_mad_demux(struct mlx4_dev *dev) { struct mlx4_cmd_mailbox *mailbox; int err; /* Check if mad_demux is supported */ if (!(dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_MAD_DEMUX)) return 0; mailbox = mlx4_alloc_cmd_mailbox(dev); if (IS_ERR(mailbox)) { mlx4_warn(dev, "Failed to allocate mailbox for cmd MAD_DEMUX"); return -ENOMEM; } /* Query mad_demux to find out which MADs are handled by internal sma */ err = mlx4_cmd_box(dev, 0, mailbox->dma, 0x01 /* subn mgmt class */, MLX4_CMD_MAD_DEMUX_QUERY_RESTR, MLX4_CMD_MAD_DEMUX, MLX4_CMD_TIME_CLASS_B, MLX4_CMD_NATIVE); if (err) { mlx4_warn(dev, "MLX4_CMD_MAD_DEMUX: query restrictions failed (%d)\n", err); goto out; } if (mlx4_check_smp_firewall_active(dev, mailbox)) dev->flags |= MLX4_FLAG_SECURE_HOST; /* Config mad_demux to handle all MADs returned by the query above */ err = mlx4_cmd(dev, mailbox->dma, 0x01 /* subn mgmt class */, MLX4_CMD_MAD_DEMUX_CONFIG, MLX4_CMD_MAD_DEMUX, MLX4_CMD_TIME_CLASS_B, MLX4_CMD_NATIVE); if (err) { mlx4_warn(dev, "MLX4_CMD_MAD_DEMUX: configure failed (%d)\n", err); goto out; } if (dev->flags & MLX4_FLAG_SECURE_HOST) mlx4_warn(dev, "HCA operating in secure-host mode. SMP firewall activated.\n"); out: mlx4_free_cmd_mailbox(dev, mailbox); return err; } /* Access Reg commands */ enum mlx4_access_reg_masks { MLX4_ACCESS_REG_STATUS_MASK = 0x7f, MLX4_ACCESS_REG_METHOD_MASK = 0x7f, MLX4_ACCESS_REG_LEN_MASK = 0x7ff }; struct mlx4_access_reg { __be16 constant1; u8 status; u8 resrvd1; __be16 reg_id; u8 method; u8 constant2; __be32 resrvd2[2]; __be16 len_const; __be16 resrvd3; #define MLX4_ACCESS_REG_HEADER_SIZE (20) u8 reg_data[MLX4_MAILBOX_SIZE-MLX4_ACCESS_REG_HEADER_SIZE]; } __attribute__((__packed__)); /** * mlx4_ACCESS_REG - Generic access reg command. * @dev: mlx4_dev. * @reg_id: register ID to access. * @method: Access method Read/Write. * @reg_len: register length to Read/Write in bytes. * @reg_data: reg_data pointer to Read/Write From/To. * * Access ConnectX registers FW command. * Returns 0 on success and copies outbox mlx4_access_reg data * field into reg_data or a negative error code. */ static int mlx4_ACCESS_REG(struct mlx4_dev *dev, u16 reg_id, enum mlx4_access_reg_method method, u16 reg_len, void *reg_data) { struct mlx4_cmd_mailbox *inbox, *outbox; struct mlx4_access_reg *inbuf, *outbuf; int err; inbox = mlx4_alloc_cmd_mailbox(dev); if (IS_ERR(inbox)) return PTR_ERR(inbox); outbox = mlx4_alloc_cmd_mailbox(dev); if (IS_ERR(outbox)) { mlx4_free_cmd_mailbox(dev, inbox); return PTR_ERR(outbox); } inbuf = inbox->buf; outbuf = outbox->buf; inbuf->constant1 = cpu_to_be16(0x1<<11 | 0x4); inbuf->constant2 = 0x1; inbuf->reg_id = cpu_to_be16(reg_id); inbuf->method = method & MLX4_ACCESS_REG_METHOD_MASK; reg_len = min(reg_len, (u16)(sizeof(inbuf->reg_data))); inbuf->len_const = cpu_to_be16(((reg_len/4 + 1) & MLX4_ACCESS_REG_LEN_MASK) | ((0x3) << 12)); memcpy(inbuf->reg_data, reg_data, reg_len); err = mlx4_cmd_box(dev, inbox->dma, outbox->dma, 0, 0, MLX4_CMD_ACCESS_REG, MLX4_CMD_TIME_CLASS_C, MLX4_CMD_WRAPPED); if (err) goto out; if (outbuf->status & MLX4_ACCESS_REG_STATUS_MASK) { err = outbuf->status & MLX4_ACCESS_REG_STATUS_MASK; mlx4_err(dev, "MLX4_CMD_ACCESS_REG(%x) returned REG status (%x)\n", reg_id, err); goto out; } memcpy(reg_data, outbuf->reg_data, reg_len); out: mlx4_free_cmd_mailbox(dev, inbox); mlx4_free_cmd_mailbox(dev, outbox); return err; } /* ConnectX registers IDs */ enum mlx4_reg_id { MLX4_REG_ID_PTYS = 0x5004, }; /** * mlx4_ACCESS_PTYS_REG - Access PTYs (Port Type and Speed) * register * @dev: mlx4_dev. * @method: Access method Read/Write. * @ptys_reg: PTYS register data pointer. * * Access ConnectX PTYS register, to Read/Write Port Type/Speed * configuration * Returns 0 on success or a negative error code. */ int mlx4_ACCESS_PTYS_REG(struct mlx4_dev *dev, enum mlx4_access_reg_method method, struct mlx4_ptys_reg *ptys_reg) { return mlx4_ACCESS_REG(dev, MLX4_REG_ID_PTYS, method, sizeof(*ptys_reg), ptys_reg); } EXPORT_SYMBOL_GPL(mlx4_ACCESS_PTYS_REG); int mlx4_ACCESS_REG_wrapper(struct mlx4_dev *dev, int slave, struct mlx4_vhcr *vhcr, struct mlx4_cmd_mailbox *inbox, struct mlx4_cmd_mailbox *outbox, struct mlx4_cmd_info *cmd) { struct mlx4_access_reg *inbuf = inbox->buf; u8 method = inbuf->method & MLX4_ACCESS_REG_METHOD_MASK; u16 reg_id = be16_to_cpu(inbuf->reg_id); if (slave != mlx4_master_func_num(dev) && method == MLX4_ACCESS_REG_WRITE) return -EPERM; if (reg_id == MLX4_REG_ID_PTYS) { struct mlx4_ptys_reg *ptys_reg = (struct mlx4_ptys_reg *)inbuf->reg_data; ptys_reg->local_port = mlx4_slave_convert_port(dev, slave, ptys_reg->local_port); } return mlx4_cmd_box(dev, inbox->dma, outbox->dma, vhcr->in_modifier, 0, MLX4_CMD_ACCESS_REG, MLX4_CMD_TIME_CLASS_C, MLX4_CMD_NATIVE); } static int mlx4_SET_PORT_phv_bit(struct mlx4_dev *dev, u8 port, u8 phv_bit) { #define SET_PORT_GEN_PHV_VALID 0x10 #define SET_PORT_GEN_PHV_EN 0x80 struct mlx4_cmd_mailbox *mailbox; struct mlx4_set_port_general_context *context; u32 in_mod; int err; mailbox = mlx4_alloc_cmd_mailbox(dev); if (IS_ERR(mailbox)) return PTR_ERR(mailbox); context = mailbox->buf; context->flags2 |= SET_PORT_GEN_PHV_VALID; if (phv_bit) context->phv_en |= SET_PORT_GEN_PHV_EN; in_mod = MLX4_SET_PORT_GENERAL << 8 | port; err = mlx4_cmd(dev, mailbox->dma, in_mod, MLX4_SET_PORT_ETH_OPCODE, MLX4_CMD_SET_PORT, MLX4_CMD_TIME_CLASS_B, MLX4_CMD_NATIVE); mlx4_free_cmd_mailbox(dev, mailbox); return err; } int get_phv_bit(struct mlx4_dev *dev, u8 port, int *phv) { int err; struct mlx4_func_cap func_cap; memset(&func_cap, 0, sizeof(func_cap)); err = mlx4_QUERY_FUNC_CAP(dev, port, &func_cap); if (!err) *phv = func_cap.flags0 & QUERY_FUNC_CAP_PHV_BIT; return err; } EXPORT_SYMBOL(get_phv_bit); int set_phv_bit(struct mlx4_dev *dev, u8 port, int new_val) { int ret; if (mlx4_is_slave(dev)) return -EPERM; if (dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_PHV_EN && !(dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_SKIP_OUTER_VLAN)) { ret = mlx4_SET_PORT_phv_bit(dev, port, new_val); if (!ret) dev->caps.phv_bit[port] = new_val; return ret; } return -EOPNOTSUPP; } EXPORT_SYMBOL(set_phv_bit); int mlx4_get_is_vlan_offload_disabled(struct mlx4_dev *dev, u8 port, bool *vlan_offload_disabled) { struct mlx4_func_cap func_cap; int err; memset(&func_cap, 0, sizeof(func_cap)); err = mlx4_QUERY_FUNC_CAP(dev, port, &func_cap); if (!err) *vlan_offload_disabled = !!(func_cap.flags0 & QUERY_FUNC_CAP_VLAN_OFFLOAD_DISABLE); return err; } EXPORT_SYMBOL(mlx4_get_is_vlan_offload_disabled); void mlx4_replace_zero_macs(struct mlx4_dev *dev) { int i; u8 mac_addr[ETH_ALEN]; dev->port_random_macs = 0; for (i = 1; i <= dev->caps.num_ports; ++i) if (!dev->caps.def_mac[i] && dev->caps.port_type[i] == MLX4_PORT_TYPE_ETH) { eth_random_addr(mac_addr); dev->port_random_macs |= 1 << i; dev->caps.def_mac[i] = ether_addr_to_u64(mac_addr); } } EXPORT_SYMBOL_GPL(mlx4_replace_zero_macs);
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