| /* |
| * 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 "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); \ |
| u64 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((u64 *)__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", |
| }; |
| 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), |
| 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_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 |
| |
| |
| 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_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; |
| 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(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; |
| |
| 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) { |
| strlcpy(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 + 0x12) |
| #define INIT_HCA_LOG_MC_HASH_SZ_OFFSET (INIT_HCA_MCAST_OFFSET + 0x16) |
| #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_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 + 0x12) |
| #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); |
| |
| /* 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); |
| return; |
| } |
| 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] = mlx4_mac_to_u64(mac_addr); |
| } |
| } |
| EXPORT_SYMBOL_GPL(mlx4_replace_zero_macs); |
