| /* |
| * 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 "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 Quality of Service support in the HCA (default: off)"); |
| |
| #define MLX4_GET(dest, source, offset) \ |
| do { \ |
| void *__p = (char *) (source) + (offset); \ |
| 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: (dest) = be64_to_cpup(__p); 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", |
| [ 4] = "reliable multicast", |
| [ 5] = "FCoIB support", |
| [ 6] = "SRQ support", |
| [ 7] = "IPoIB checksum offload", |
| [ 8] = "P_Key violation counter", |
| [ 9] = "Q_Key violation counter", |
| [10] = "VMM", |
| [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", |
| [24] = "Demand paging support", |
| [25] = "Router support", |
| [30] = "IBoE support", |
| [32] = "Unicast loopback support", |
| [34] = "FCS header control", |
| [38] = "Wake On LAN support", |
| [40] = "UDP RSS support", |
| [41] = "Unicast VEP steering support", |
| [42] = "Multicast VEP steering support", |
| [48] = "Counters 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 manage 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" |
| }; |
| 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; |
| |
| memset(inbox, 0, MOD_STAT_CFG_IN_SIZE); |
| |
| 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_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) |
| { |
| u8 field; |
| u32 size; |
| int err = 0; |
| |
| #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 0x10 |
| #define QUERY_FUNC_CAP_CQ_QUOTA_OFFSET 0x14 |
| #define QUERY_FUNC_CAP_SRQ_QUOTA_OFFSET 0x18 |
| #define QUERY_FUNC_CAP_MPT_QUOTA_OFFSET 0x20 |
| #define QUERY_FUNC_CAP_MTT_QUOTA_OFFSET 0x24 |
| #define QUERY_FUNC_CAP_MCG_QUOTA_OFFSET 0x28 |
| #define QUERY_FUNC_CAP_MAX_EQ_OFFSET 0x2c |
| #define QUERY_FUNC_CAP_RESERVED_EQ_OFFSET 0x30 |
| |
| #define QUERY_FUNC_CAP_FMR_FLAG 0x80 |
| #define QUERY_FUNC_CAP_FLAG_RDMA 0x40 |
| #define QUERY_FUNC_CAP_FLAG_ETH 0x80 |
| |
| /* when opcode modifier = 1 */ |
| #define QUERY_FUNC_CAP_PHYS_PORT_OFFSET 0x3 |
| #define QUERY_FUNC_CAP_RDMA_PROPS_OFFSET 0x8 |
| #define QUERY_FUNC_CAP_ETH_PROPS_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_ETH_PROPS_FORCE_MAC 0x40 |
| #define QUERY_FUNC_CAP_ETH_PROPS_FORCE_VLAN 0x80 |
| |
| #define QUERY_FUNC_CAP_RDMA_PROPS_FORCE_PHY_WQE_GID 0x80 |
| |
| if (vhcr->op_modifier == 1) { |
| field = 0; |
| /* ensure force vlan and force mac bits are not set */ |
| MLX4_PUT(outbox->buf, field, QUERY_FUNC_CAP_ETH_PROPS_OFFSET); |
| /* ensure that phy_wqe_gid bit is not set */ |
| MLX4_PUT(outbox->buf, field, QUERY_FUNC_CAP_RDMA_PROPS_OFFSET); |
| |
| field = vhcr->in_modifier; /* phys-port = logical-port */ |
| MLX4_PUT(outbox->buf, field, QUERY_FUNC_CAP_PHYS_PORT_OFFSET); |
| |
| /* size is now the QP number */ |
| size = dev->phys_caps.base_tunnel_sqpn + 8 * slave + field - 1; |
| MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_QP0_TUNNEL); |
| |
| size += 2; |
| MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_QP1_TUNNEL); |
| |
| size = dev->phys_caps.base_proxy_sqpn + 8 * slave + field - 1; |
| MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_QP0_PROXY); |
| |
| size += 2; |
| MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_QP1_PROXY); |
| |
| } else if (vhcr->op_modifier == 0) { |
| /* enable rdma and ethernet interfaces */ |
| field = (QUERY_FUNC_CAP_FLAG_ETH | QUERY_FUNC_CAP_FLAG_RDMA); |
| MLX4_PUT(outbox->buf, field, QUERY_FUNC_CAP_FLAGS_OFFSET); |
| |
| field = 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 = dev->caps.num_qps; |
| MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_QP_QUOTA_OFFSET); |
| |
| size = dev->caps.num_srqs; |
| MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_SRQ_QUOTA_OFFSET); |
| |
| size = dev->caps.num_cqs; |
| MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_CQ_QUOTA_OFFSET); |
| |
| size = 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); |
| |
| size = dev->caps.num_mpts; |
| MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_MPT_QUOTA_OFFSET); |
| |
| size = dev->caps.num_mtts; |
| MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_MTT_QUOTA_OFFSET); |
| |
| size = dev->caps.num_mgms + dev->caps.num_amgms; |
| MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_MCG_QUOTA_OFFSET); |
| |
| } else |
| err = -EINVAL; |
| |
| return err; |
| } |
| |
| int mlx4_QUERY_FUNC_CAP(struct mlx4_dev *dev, u32 gen_or_port, |
| struct mlx4_func_cap *func_cap) |
| { |
| struct mlx4_cmd_mailbox *mailbox; |
| u32 *outbox; |
| u8 field, op_modifier; |
| u32 size; |
| int err = 0; |
| |
| op_modifier = !!gen_or_port; /* 0 = general, 1 = logical port */ |
| |
| mailbox = mlx4_alloc_cmd_mailbox(dev); |
| if (IS_ERR(mailbox)) |
| return PTR_ERR(mailbox); |
| |
| err = mlx4_cmd_box(dev, 0, mailbox->dma, gen_or_port, 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; |
| |
| 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; |
| |
| 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_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; |
| |
| 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; |
| goto out; |
| } |
| |
| /* logical port query */ |
| if (gen_or_port > dev->caps.num_ports) { |
| err = -EINVAL; |
| goto out; |
| } |
| |
| if (dev->caps.port_type[gen_or_port] == MLX4_PORT_TYPE_ETH) { |
| MLX4_GET(field, outbox, QUERY_FUNC_CAP_ETH_PROPS_OFFSET); |
| if (field & QUERY_FUNC_CAP_ETH_PROPS_FORCE_VLAN) { |
| mlx4_err(dev, "VLAN is enforced on this port\n"); |
| err = -EPROTONOSUPPORT; |
| goto out; |
| } |
| |
| if (field & QUERY_FUNC_CAP_ETH_PROPS_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_RDMA_PROPS_OFFSET); |
| if (field & QUERY_FUNC_CAP_RDMA_PROPS_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 = -ENOSYS; |
| goto out; |
| } |
| |
| MLX4_GET(size, outbox, QUERY_FUNC_CAP_QP0_TUNNEL); |
| func_cap->qp0_tunnel_qpn = size & 0xFFFFFF; |
| |
| MLX4_GET(size, outbox, QUERY_FUNC_CAP_QP0_PROXY); |
| func_cap->qp0_proxy_qpn = size & 0xFFFFFF; |
| |
| MLX4_GET(size, outbox, QUERY_FUNC_CAP_QP1_TUNNEL); |
| func_cap->qp1_tunnel_qpn = size & 0xFFFFFF; |
| |
| MLX4_GET(size, outbox, QUERY_FUNC_CAP_QP1_PROXY); |
| func_cap->qp1_proxy_qpn = size & 0xFFFFFF; |
| |
| /* 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; |
| } |
| |
| 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_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_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_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_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_EXT_2_FLAGS_OFFSET 0x70 |
| #define QUERY_DEV_CAP_FLOW_STEERING_RANGE_EN_OFFSET 0x76 |
| #define QUERY_DEV_CAP_FLOW_STEERING_MAX_QP_OFFSET 0x77 |
| #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_RSVD_LKEY_OFFSET 0x98 |
| #define QUERY_DEV_CAP_MAX_ICM_SZ_OFFSET 0xa0 |
| #define QUERY_DEV_CAP_FW_REASSIGN_MAC 0x9d |
| |
| 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; |
| |
| 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 = 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_MAX_MRW_SZ_OFFSET); |
| dev_cap->max_mrw_sz = 1 << field; |
| MLX4_GET(field, outbox, QUERY_DEV_CAP_RSVD_MRW_OFFSET); |
| dev_cap->reserved_mrws = 1 << (field & 0xf); |
| MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_MTT_SEG_OFFSET); |
| dev_cap->max_mtt_seg = 1 << (field & 0x3f); |
| 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_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; |
| MLX4_GET(field, outbox, QUERY_DEV_CAP_FLOW_STEERING_MAX_QP_OFFSET); |
| dev_cap->fs_max_num_qp_per_entry = field; |
| 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_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); |
| mlx4_dbg(dev, "BlueFlame available (reg size %d, regs/page %d)\n", |
| dev_cap->bf_reg_size, dev_cap->bf_regs_per_page); |
| } else { |
| dev_cap->bf_reg_size = 0; |
| mlx4_dbg(dev, "BlueFlame not available\n"); |
| } |
| |
| 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_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(dev_cap->bmme_flags, outbox, |
| QUERY_DEV_CAP_BMME_FLAGS_OFFSET); |
| MLX4_GET(dev_cap->reserved_lkey, outbox, |
| QUERY_DEV_CAP_RSVD_LKEY_OFFSET); |
| MLX4_GET(field, outbox, QUERY_DEV_CAP_FW_REASSIGN_MAC); |
| if (field & 1<<6) |
| dev_cap->flags2 |= MLX4_DEV_CAP_FLAGS2_REASSIGN_MAC_EN; |
| 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_EXT_2_FLAGS_OFFSET); |
| if (field32 & (1 << 16)) |
| dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_UPDATE_QP; |
| 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 (dev->flags & MLX4_FLAG_OLD_PORT_CMDS) { |
| for (i = 1; i <= dev_cap->num_ports; ++i) { |
| MLX4_GET(field, outbox, QUERY_DEV_CAP_VL_PORT_OFFSET); |
| dev_cap->max_vl[i] = field >> 4; |
| MLX4_GET(field, outbox, QUERY_DEV_CAP_MTU_WIDTH_OFFSET); |
| dev_cap->ib_mtu[i] = field >> 4; |
| dev_cap->max_port_width[i] = field & 0xf; |
| MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_GID_OFFSET); |
| dev_cap->max_gids[i] = 1 << (field & 0xf); |
| MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_PKEY_OFFSET); |
| dev_cap->max_pkeys[i] = 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 |
| |
| for (i = 1; i <= dev_cap->num_ports; ++i) { |
| err = mlx4_cmd_box(dev, 0, mailbox->dma, i, 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); |
| dev_cap->supported_port_types[i] = field & 3; |
| dev_cap->suggested_type[i] = (field >> 3) & 1; |
| dev_cap->default_sense[i] = (field >> 4) & 1; |
| MLX4_GET(field, outbox, QUERY_PORT_MTU_OFFSET); |
| dev_cap->ib_mtu[i] = field & 0xf; |
| MLX4_GET(field, outbox, QUERY_PORT_WIDTH_OFFSET); |
| dev_cap->max_port_width[i] = field & 0xf; |
| MLX4_GET(field, outbox, QUERY_PORT_MAX_GID_PKEY_OFFSET); |
| dev_cap->max_gids[i] = 1 << (field >> 4); |
| dev_cap->max_pkeys[i] = 1 << (field & 0xf); |
| MLX4_GET(field, outbox, QUERY_PORT_MAX_VL_OFFSET); |
| dev_cap->max_vl[i] = field & 0xf; |
| MLX4_GET(field, outbox, QUERY_PORT_MAX_MACVLAN_OFFSET); |
| dev_cap->log_max_macs[i] = field & 0xf; |
| dev_cap->log_max_vlans[i] = field >> 4; |
| MLX4_GET(dev_cap->eth_mtu[i], outbox, QUERY_PORT_ETH_MTU_OFFSET); |
| MLX4_GET(dev_cap->def_mac[i], outbox, QUERY_PORT_MAC_OFFSET); |
| MLX4_GET(field32, outbox, QUERY_PORT_TRANS_VENDOR_OFFSET); |
| dev_cap->trans_type[i] = field32 >> 24; |
| dev_cap->vendor_oui[i] = field32 & 0xffffff; |
| MLX4_GET(dev_cap->wavelength[i], outbox, QUERY_PORT_WAVELENGTH_OFFSET); |
| MLX4_GET(dev_cap->trans_code[i], outbox, QUERY_PORT_TRANS_CODE_OFFSET); |
| } |
| } |
| |
| mlx4_dbg(dev, "Base MM extensions: flags %08x, rsvd L_Key %08x\n", |
| dev_cap->bmme_flags, dev_cap->reserved_lkey); |
| |
| /* |
| * 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. |
| */ |
| dev_cap->reserved_eqs = max(dev_cap->reserved_uars * 4, |
| dev_cap->reserved_eqs); |
| |
| 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, "Max EQs: %d, reserved EQs: %d, entry size: %d\n", |
| 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->ib_mtu[1], |
| dev_cap->max_port_width[1]); |
| 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); |
| |
| dump_dev_cap_flags(dev, dev_cap->flags); |
| dump_dev_cap_flags2(dev, dev_cap->flags2); |
| |
| out: |
| mlx4_free_cmd_mailbox(dev, mailbox); |
| return err; |
| } |
| |
| 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; |
| u32 bmme_flags; |
| |
| 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; |
| |
| /* 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; |
| MLX4_PUT(outbox->buf, flags, QUERY_DEV_CAP_EXT_FLAGS_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, 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 */ |
| MLX4_GET(bmme_flags, outbox, QUERY_DEV_CAP_BMME_FLAGS_OFFSET); |
| bmme_flags &= ~MLX4_BMME_FLAG_TYPE_2_WIN; |
| 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); |
| } |
| return 0; |
| } |
| |
| 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; |
| |
| #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 |
| |
| 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) { |
| /* if config MAC in DB use it */ |
| if (priv->mfunc.master.vf_oper[slave].vport[vhcr->in_modifier].state.mac) |
| def_mac = priv->mfunc.master.vf_oper[slave].vport[vhcr->in_modifier].state.mac; |
| else { |
| /* set slave default_mac address */ |
| MLX4_GET(def_mac, outbox->buf, QUERY_PORT_MAC_OFFSET); |
| def_mac += slave << 8; |
| priv->mfunc.master.vf_admin[slave].vport[vhcr->in_modifier].mac = def_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; |
| |
| MLX4_PUT(outbox->buf, port_type, |
| QUERY_PORT_SUPPORTED_TYPE_OFFSET); |
| |
| 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); |
| } |
| |
| 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); |
| memset(mailbox->buf, 0, MLX4_MAILBOX_SIZE); |
| 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 += 1 << 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. |
| */ |
| for (i = 0; i < 4; ++i) |
| ((u32 *) board_id)[i] = |
| swab32(*(u32 *) (vsd + VSD_OFFSET_MLX_BOARD_ID + i * 4)); |
| } |
| } |
| |
| 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; |
| |
| #define INIT_HCA_IN_SIZE 0x200 |
| #define INIT_HCA_VERSION_OFFSET 0x000 |
| #define INIT_HCA_VERSION 2 |
| #define INIT_HCA_CACHELINE_SZ_OFFSET 0x0e |
| #define INIT_HCA_FLAGS_OFFSET 0x014 |
| #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_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_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_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; |
| |
| memset(inbox, 0, INIT_HCA_IN_SIZE); |
| |
| *((u8 *) mailbox->buf + INIT_HCA_VERSION_OFFSET) = INIT_HCA_VERSION; |
| |
| *((u8 *) mailbox->buf + INIT_HCA_CACHELINE_SZ_OFFSET) = |
| (ilog2(cache_line_size()) - 4) << 5; |
| |
| #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 (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); |
| |
| /* 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_64B_CQE; |
| } else { |
| dev->caps.cqe_size = 32; |
| } |
| |
| /* 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->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 |
| */ |
| 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); |
| } 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); |
| |
| err = mlx4_cmd(dev, mailbox->dma, 0, 0, MLX4_CMD_INIT_HCA, 10000, |
| 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; |
| u32 dword_field; |
| int err; |
| u8 byte_field; |
| |
| #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(param->qpc_base, outbox, INIT_HCA_QPC_BASE_OFFSET); |
| MLX4_GET(param->log_num_qps, outbox, INIT_HCA_LOG_QP_OFFSET); |
| MLX4_GET(param->srqc_base, outbox, INIT_HCA_SRQC_BASE_OFFSET); |
| MLX4_GET(param->log_num_srqs, outbox, INIT_HCA_LOG_SRQ_OFFSET); |
| MLX4_GET(param->cqc_base, outbox, INIT_HCA_CQC_BASE_OFFSET); |
| MLX4_GET(param->log_num_cqs, outbox, INIT_HCA_LOG_CQ_OFFSET); |
| MLX4_GET(param->altc_base, outbox, INIT_HCA_ALTC_BASE_OFFSET); |
| MLX4_GET(param->auxc_base, outbox, INIT_HCA_AUXC_BASE_OFFSET); |
| MLX4_GET(param->eqc_base, outbox, INIT_HCA_EQC_BASE_OFFSET); |
| MLX4_GET(param->log_num_eqs, outbox, INIT_HCA_LOG_EQ_OFFSET); |
| MLX4_GET(param->rdmarc_base, outbox, INIT_HCA_RDMARC_BASE_OFFSET); |
| MLX4_GET(param->log_rd_per_qp, outbox, INIT_HCA_LOG_RD_OFFSET); |
| |
| 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; |
| } |
| /* steering attributes */ |
| if (param->steering_mode == MLX4_STEERING_MODE_DEVICE_MANAGED) { |
| MLX4_GET(param->mc_base, outbox, INIT_HCA_FS_BASE_OFFSET); |
| MLX4_GET(param->log_mc_entry_sz, outbox, |
| INIT_HCA_FS_LOG_ENTRY_SZ_OFFSET); |
| MLX4_GET(param->log_mc_table_sz, outbox, |
| INIT_HCA_FS_LOG_TABLE_SZ_OFFSET); |
| } else { |
| MLX4_GET(param->mc_base, outbox, INIT_HCA_MC_BASE_OFFSET); |
| MLX4_GET(param->log_mc_entry_sz, outbox, |
| INIT_HCA_LOG_MC_ENTRY_SZ_OFFSET); |
| MLX4_GET(param->log_mc_hash_sz, outbox, |
| INIT_HCA_LOG_MC_HASH_SZ_OFFSET); |
| MLX4_GET(param->log_mc_table_sz, outbox, |
| INIT_HCA_LOG_MC_TABLE_SZ_OFFSET); |
| } |
| |
| /* 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; |
| |
| /* TPT attributes */ |
| |
| MLX4_GET(param->dmpt_base, outbox, INIT_HCA_DMPT_BASE_OFFSET); |
| MLX4_GET(param->mw_enabled, outbox, INIT_HCA_TPT_MW_OFFSET); |
| MLX4_GET(param->log_mpt_sz, outbox, INIT_HCA_LOG_MPT_SZ_OFFSET); |
| 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(param->log_uar_sz, outbox, INIT_HCA_LOG_UAR_SZ_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 = vhcr->in_modifier; |
| int err; |
| |
| 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; |
| |
| memset(inbox, 0, INIT_PORT_IN_SIZE); |
| |
| 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); |
| |
| 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 = vhcr->in_modifier; |
| int err; |
| |
| 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, |
| 1000, 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, |
| 1000, 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, 1000, |
| 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, 1000, |
| MLX4_CMD_NATIVE); |
| } |
| |
| 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, 100, MLX4_CMD_NATIVE); |
| } |
| |
| #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); |