3112 lines
		
	
	
		
			101 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			3112 lines
		
	
	
		
			101 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /*
 | |
|  * Copyright (c) 2004, 2005 Topspin Communications.  All rights reserved.
 | |
|  * Copyright (c) 2005, 2006, 2007, 2008 Mellanox Technologies. All rights reserved.
 | |
|  * Copyright (c) 2005, 2006, 2007 Cisco Systems, Inc.  All rights reserved.
 | |
|  *
 | |
|  * This software is available to you under a choice of one of two
 | |
|  * licenses.  You may choose to be licensed under the terms of the GNU
 | |
|  * General Public License (GPL) Version 2, available from the file
 | |
|  * COPYING in the main directory of this source tree, or the
 | |
|  * OpenIB.org BSD license below:
 | |
|  *
 | |
|  *     Redistribution and use in source and binary forms, with or
 | |
|  *     without modification, are permitted provided that the following
 | |
|  *     conditions are met:
 | |
|  *
 | |
|  *      - Redistributions of source code must retain the above
 | |
|  *        copyright notice, this list of conditions and the following
 | |
|  *        disclaimer.
 | |
|  *
 | |
|  *      - Redistributions in binary form must reproduce the above
 | |
|  *        copyright notice, this list of conditions and the following
 | |
|  *        disclaimer in the documentation and/or other materials
 | |
|  *        provided with the distribution.
 | |
|  *
 | |
|  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 | |
|  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 | |
|  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
 | |
|  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
 | |
|  * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
 | |
|  * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
 | |
|  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 | |
|  * SOFTWARE.
 | |
|  */
 | |
| 
 | |
| #include <linux/etherdevice.h>
 | |
| #include <linux/mlx4/cmd.h>
 | |
| #include <linux/module.h>
 | |
| #include <linux/cache.h>
 | |
| #include <linux/kernel.h>
 | |
| #include <uapi/rdma/mlx4-abi.h>
 | |
| 
 | |
| #include "fw.h"
 | |
| #include "icm.h"
 | |
| 
 | |
| enum {
 | |
| 	MLX4_COMMAND_INTERFACE_MIN_REV		= 2,
 | |
| 	MLX4_COMMAND_INTERFACE_MAX_REV		= 3,
 | |
| 	MLX4_COMMAND_INTERFACE_NEW_PORT_CMDS	= 3,
 | |
| };
 | |
| 
 | |
| extern void __buggy_use_of_MLX4_GET(void);
 | |
| extern void __buggy_use_of_MLX4_PUT(void);
 | |
| 
 | |
| static bool enable_qos;
 | |
| module_param(enable_qos, bool, 0444);
 | |
| MODULE_PARM_DESC(enable_qos, "Enable Enhanced QoS support (default: off)");
 | |
| 
 | |
| #define MLX4_GET(dest, source, offset)				      \
 | |
| 	do {							      \
 | |
| 		void *__p = (char *) (source) + (offset);	      \
 | |
| 		__be64 val;                                           \
 | |
| 		switch (sizeof(dest)) {				      \
 | |
| 		case 1: (dest) = *(u8 *) __p;	    break;	      \
 | |
| 		case 2: (dest) = be16_to_cpup(__p); break;	      \
 | |
| 		case 4: (dest) = be32_to_cpup(__p); break;	      \
 | |
| 		case 8: val = get_unaligned((__be64 *)__p);           \
 | |
| 			(dest) = be64_to_cpu(val);  break;            \
 | |
| 		default: __buggy_use_of_MLX4_GET();		      \
 | |
| 		}						      \
 | |
| 	} while (0)
 | |
| 
 | |
| #define MLX4_PUT(dest, source, offset)				      \
 | |
| 	do {							      \
 | |
| 		void *__d = ((char *) (dest) + (offset));	      \
 | |
| 		switch (sizeof(source)) {			      \
 | |
| 		case 1: *(u8 *) __d = (source);		       break; \
 | |
| 		case 2:	*(__be16 *) __d = cpu_to_be16(source); break; \
 | |
| 		case 4:	*(__be32 *) __d = cpu_to_be32(source); break; \
 | |
| 		case 8:	*(__be64 *) __d = cpu_to_be64(source); break; \
 | |
| 		default: __buggy_use_of_MLX4_PUT();		      \
 | |
| 		}						      \
 | |
| 	} while (0)
 | |
| 
 | |
| static void dump_dev_cap_flags(struct mlx4_dev *dev, u64 flags)
 | |
| {
 | |
| 	static const char *fname[] = {
 | |
| 		[ 0] = "RC transport",
 | |
| 		[ 1] = "UC transport",
 | |
| 		[ 2] = "UD transport",
 | |
| 		[ 3] = "XRC transport",
 | |
| 		[ 6] = "SRQ support",
 | |
| 		[ 7] = "IPoIB checksum offload",
 | |
| 		[ 8] = "P_Key violation counter",
 | |
| 		[ 9] = "Q_Key violation counter",
 | |
| 		[12] = "Dual Port Different Protocol (DPDP) support",
 | |
| 		[15] = "Big LSO headers",
 | |
| 		[16] = "MW support",
 | |
| 		[17] = "APM support",
 | |
| 		[18] = "Atomic ops support",
 | |
| 		[19] = "Raw multicast support",
 | |
| 		[20] = "Address vector port checking support",
 | |
| 		[21] = "UD multicast support",
 | |
| 		[30] = "IBoE support",
 | |
| 		[32] = "Unicast loopback support",
 | |
| 		[34] = "FCS header control",
 | |
| 		[37] = "Wake On LAN (port1) support",
 | |
| 		[38] = "Wake On LAN (port2) support",
 | |
| 		[40] = "UDP RSS support",
 | |
| 		[41] = "Unicast VEP steering support",
 | |
| 		[42] = "Multicast VEP steering support",
 | |
| 		[48] = "Counters support",
 | |
| 		[52] = "RSS IP fragments support",
 | |
| 		[53] = "Port ETS Scheduler support",
 | |
| 		[55] = "Port link type sensing support",
 | |
| 		[59] = "Port management change event support",
 | |
| 		[61] = "64 byte EQE support",
 | |
| 		[62] = "64 byte CQE support",
 | |
| 	};
 | |
| 	int i;
 | |
| 
 | |
| 	mlx4_dbg(dev, "DEV_CAP flags:\n");
 | |
| 	for (i = 0; i < ARRAY_SIZE(fname); ++i)
 | |
| 		if (fname[i] && (flags & (1LL << i)))
 | |
| 			mlx4_dbg(dev, "    %s\n", fname[i]);
 | |
| }
 | |
| 
 | |
| static void dump_dev_cap_flags2(struct mlx4_dev *dev, u64 flags)
 | |
| {
 | |
| 	static const char * const fname[] = {
 | |
| 		[0] = "RSS support",
 | |
| 		[1] = "RSS Toeplitz Hash Function support",
 | |
| 		[2] = "RSS XOR Hash Function support",
 | |
| 		[3] = "Device managed flow steering support",
 | |
| 		[4] = "Automatic MAC reassignment support",
 | |
| 		[5] = "Time stamping support",
 | |
| 		[6] = "VST (control vlan insertion/stripping) support",
 | |
| 		[7] = "FSM (MAC anti-spoofing) support",
 | |
| 		[8] = "Dynamic QP updates support",
 | |
| 		[9] = "Device managed flow steering IPoIB support",
 | |
| 		[10] = "TCP/IP offloads/flow-steering for VXLAN support",
 | |
| 		[11] = "MAD DEMUX (Secure-Host) support",
 | |
| 		[12] = "Large cache line (>64B) CQE stride support",
 | |
| 		[13] = "Large cache line (>64B) EQE stride support",
 | |
| 		[14] = "Ethernet protocol control support",
 | |
| 		[15] = "Ethernet Backplane autoneg support",
 | |
| 		[16] = "CONFIG DEV support",
 | |
| 		[17] = "Asymmetric EQs support",
 | |
| 		[18] = "More than 80 VFs support",
 | |
| 		[19] = "Performance optimized for limited rule configuration flow steering support",
 | |
| 		[20] = "Recoverable error events support",
 | |
| 		[21] = "Port Remap support",
 | |
| 		[22] = "QCN support",
 | |
| 		[23] = "QP rate limiting support",
 | |
| 		[24] = "Ethernet Flow control statistics support",
 | |
| 		[25] = "Granular QoS per VF support",
 | |
| 		[26] = "Port ETS Scheduler support",
 | |
| 		[27] = "Port beacon support",
 | |
| 		[28] = "RX-ALL support",
 | |
| 		[29] = "802.1ad offload support",
 | |
| 		[31] = "Modifying loopback source checks using UPDATE_QP support",
 | |
| 		[32] = "Loopback source checks support",
 | |
| 		[33] = "RoCEv2 support",
 | |
| 		[34] = "DMFS Sniffer support (UC & MC)",
 | |
| 		[35] = "Diag counters per port",
 | |
| 		[36] = "QinQ VST mode support",
 | |
| 		[37] = "sl to vl mapping table change event support",
 | |
| 		[38] = "user MAC support",
 | |
| 		[39] = "Report driver version to FW support",
 | |
| 		[40] = "SW CQ initialization support",
 | |
| 	};
 | |
| 	int i;
 | |
| 
 | |
| 	for (i = 0; i < ARRAY_SIZE(fname); ++i)
 | |
| 		if (fname[i] && (flags & (1LL << i)))
 | |
| 			mlx4_dbg(dev, "    %s\n", fname[i]);
 | |
| }
 | |
| 
 | |
| int mlx4_MOD_STAT_CFG(struct mlx4_dev *dev, struct mlx4_mod_stat_cfg *cfg)
 | |
| {
 | |
| 	struct mlx4_cmd_mailbox *mailbox;
 | |
| 	u32 *inbox;
 | |
| 	int err = 0;
 | |
| 
 | |
| #define MOD_STAT_CFG_IN_SIZE		0x100
 | |
| 
 | |
| #define MOD_STAT_CFG_PG_SZ_M_OFFSET	0x002
 | |
| #define MOD_STAT_CFG_PG_SZ_OFFSET	0x003
 | |
| 
 | |
| 	mailbox = mlx4_alloc_cmd_mailbox(dev);
 | |
| 	if (IS_ERR(mailbox))
 | |
| 		return PTR_ERR(mailbox);
 | |
| 	inbox = mailbox->buf;
 | |
| 
 | |
| 	MLX4_PUT(inbox, cfg->log_pg_sz, MOD_STAT_CFG_PG_SZ_OFFSET);
 | |
| 	MLX4_PUT(inbox, cfg->log_pg_sz_m, MOD_STAT_CFG_PG_SZ_M_OFFSET);
 | |
| 
 | |
| 	err = mlx4_cmd(dev, mailbox->dma, 0, 0, MLX4_CMD_MOD_STAT_CFG,
 | |
| 			MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE);
 | |
| 
 | |
| 	mlx4_free_cmd_mailbox(dev, mailbox);
 | |
| 	return err;
 | |
| }
 | |
| 
 | |
| int mlx4_QUERY_FUNC(struct mlx4_dev *dev, struct mlx4_func *func, int slave)
 | |
| {
 | |
| 	struct mlx4_cmd_mailbox *mailbox;
 | |
| 	u32 *outbox;
 | |
| 	u8 in_modifier;
 | |
| 	u8 field;
 | |
| 	u16 field16;
 | |
| 	int err;
 | |
| 
 | |
| #define QUERY_FUNC_BUS_OFFSET			0x00
 | |
| #define QUERY_FUNC_DEVICE_OFFSET		0x01
 | |
| #define QUERY_FUNC_FUNCTION_OFFSET		0x01
 | |
| #define QUERY_FUNC_PHYSICAL_FUNCTION_OFFSET	0x03
 | |
| #define QUERY_FUNC_RSVD_EQS_OFFSET		0x04
 | |
| #define QUERY_FUNC_MAX_EQ_OFFSET		0x06
 | |
| #define QUERY_FUNC_RSVD_UARS_OFFSET		0x0b
 | |
| 
 | |
| 	mailbox = mlx4_alloc_cmd_mailbox(dev);
 | |
| 	if (IS_ERR(mailbox))
 | |
| 		return PTR_ERR(mailbox);
 | |
| 	outbox = mailbox->buf;
 | |
| 
 | |
| 	in_modifier = slave;
 | |
| 
 | |
| 	err = mlx4_cmd_box(dev, 0, mailbox->dma, in_modifier, 0,
 | |
| 			   MLX4_CMD_QUERY_FUNC,
 | |
| 			   MLX4_CMD_TIME_CLASS_A,
 | |
| 			   MLX4_CMD_NATIVE);
 | |
| 	if (err)
 | |
| 		goto out;
 | |
| 
 | |
| 	MLX4_GET(field, outbox, QUERY_FUNC_BUS_OFFSET);
 | |
| 	func->bus = field & 0xf;
 | |
| 	MLX4_GET(field, outbox, QUERY_FUNC_DEVICE_OFFSET);
 | |
| 	func->device = field & 0xf1;
 | |
| 	MLX4_GET(field, outbox, QUERY_FUNC_FUNCTION_OFFSET);
 | |
| 	func->function = field & 0x7;
 | |
| 	MLX4_GET(field, outbox, QUERY_FUNC_PHYSICAL_FUNCTION_OFFSET);
 | |
| 	func->physical_function = field & 0xf;
 | |
| 	MLX4_GET(field16, outbox, QUERY_FUNC_RSVD_EQS_OFFSET);
 | |
| 	func->rsvd_eqs = field16 & 0xffff;
 | |
| 	MLX4_GET(field16, outbox, QUERY_FUNC_MAX_EQ_OFFSET);
 | |
| 	func->max_eq = field16 & 0xffff;
 | |
| 	MLX4_GET(field, outbox, QUERY_FUNC_RSVD_UARS_OFFSET);
 | |
| 	func->rsvd_uars = field & 0x0f;
 | |
| 
 | |
| 	mlx4_dbg(dev, "Bus: %d, Device: %d, Function: %d, Physical function: %d, Max EQs: %d, Reserved EQs: %d, Reserved UARs: %d\n",
 | |
| 		 func->bus, func->device, func->function, func->physical_function,
 | |
| 		 func->max_eq, func->rsvd_eqs, func->rsvd_uars);
 | |
| 
 | |
| out:
 | |
| 	mlx4_free_cmd_mailbox(dev, mailbox);
 | |
| 	return err;
 | |
| }
 | |
| 
 | |
| static int mlx4_activate_vst_qinq(struct mlx4_priv *priv, int slave, int port)
 | |
| {
 | |
| 	struct mlx4_vport_oper_state *vp_oper;
 | |
| 	struct mlx4_vport_state *vp_admin;
 | |
| 	int err;
 | |
| 
 | |
| 	vp_oper = &priv->mfunc.master.vf_oper[slave].vport[port];
 | |
| 	vp_admin = &priv->mfunc.master.vf_admin[slave].vport[port];
 | |
| 
 | |
| 	if (vp_admin->default_vlan != vp_oper->state.default_vlan) {
 | |
| 		err = __mlx4_register_vlan(&priv->dev, port,
 | |
| 					   vp_admin->default_vlan,
 | |
| 					   &vp_oper->vlan_idx);
 | |
| 		if (err) {
 | |
| 			vp_oper->vlan_idx = NO_INDX;
 | |
| 			mlx4_warn(&priv->dev,
 | |
| 				  "No vlan resources slave %d, port %d\n",
 | |
| 				  slave, port);
 | |
| 			return err;
 | |
| 		}
 | |
| 		mlx4_dbg(&priv->dev, "alloc vlan %d idx  %d slave %d port %d\n",
 | |
| 			 (int)(vp_oper->state.default_vlan),
 | |
| 			 vp_oper->vlan_idx, slave, port);
 | |
| 	}
 | |
| 	vp_oper->state.vlan_proto   = vp_admin->vlan_proto;
 | |
| 	vp_oper->state.default_vlan = vp_admin->default_vlan;
 | |
| 	vp_oper->state.default_qos  = vp_admin->default_qos;
 | |
| 
 | |
| 	return 0;
 | |
| }
 | |
| 
 | |
| static int mlx4_handle_vst_qinq(struct mlx4_priv *priv, int slave, int port)
 | |
| {
 | |
| 	struct mlx4_vport_oper_state *vp_oper;
 | |
| 	struct mlx4_slave_state *slave_state;
 | |
| 	struct mlx4_vport_state *vp_admin;
 | |
| 	int err;
 | |
| 
 | |
| 	vp_oper = &priv->mfunc.master.vf_oper[slave].vport[port];
 | |
| 	vp_admin = &priv->mfunc.master.vf_admin[slave].vport[port];
 | |
| 	slave_state = &priv->mfunc.master.slave_state[slave];
 | |
| 
 | |
| 	if ((vp_admin->vlan_proto != htons(ETH_P_8021AD)) ||
 | |
| 	    (!slave_state->active))
 | |
| 		return 0;
 | |
| 
 | |
| 	if (vp_oper->state.vlan_proto == vp_admin->vlan_proto &&
 | |
| 	    vp_oper->state.default_vlan == vp_admin->default_vlan &&
 | |
| 	    vp_oper->state.default_qos == vp_admin->default_qos)
 | |
| 		return 0;
 | |
| 
 | |
| 	if (!slave_state->vst_qinq_supported) {
 | |
| 		/* Warn and revert the request to set vst QinQ mode */
 | |
| 		vp_admin->vlan_proto   = vp_oper->state.vlan_proto;
 | |
| 		vp_admin->default_vlan = vp_oper->state.default_vlan;
 | |
| 		vp_admin->default_qos  = vp_oper->state.default_qos;
 | |
| 
 | |
| 		mlx4_warn(&priv->dev,
 | |
| 			  "Slave %d does not support VST QinQ mode\n", slave);
 | |
| 		return 0;
 | |
| 	}
 | |
| 
 | |
| 	err = mlx4_activate_vst_qinq(priv, slave, port);
 | |
| 	return err;
 | |
| }
 | |
| 
 | |
| int mlx4_QUERY_FUNC_CAP_wrapper(struct mlx4_dev *dev, int slave,
 | |
| 				struct mlx4_vhcr *vhcr,
 | |
| 				struct mlx4_cmd_mailbox *inbox,
 | |
| 				struct mlx4_cmd_mailbox *outbox,
 | |
| 				struct mlx4_cmd_info *cmd)
 | |
| {
 | |
| 	struct mlx4_priv *priv = mlx4_priv(dev);
 | |
| 	u8	field, port;
 | |
| 	u32	size, proxy_qp, qkey;
 | |
| 	int	err = 0;
 | |
| 	struct mlx4_func func;
 | |
| 
 | |
| #define QUERY_FUNC_CAP_FLAGS_OFFSET		0x0
 | |
| #define QUERY_FUNC_CAP_NUM_PORTS_OFFSET		0x1
 | |
| #define QUERY_FUNC_CAP_PF_BHVR_OFFSET		0x4
 | |
| #define QUERY_FUNC_CAP_FMR_OFFSET		0x8
 | |
| #define QUERY_FUNC_CAP_QP_QUOTA_OFFSET_DEP	0x10
 | |
| #define QUERY_FUNC_CAP_CQ_QUOTA_OFFSET_DEP	0x14
 | |
| #define QUERY_FUNC_CAP_SRQ_QUOTA_OFFSET_DEP	0x18
 | |
| #define QUERY_FUNC_CAP_MPT_QUOTA_OFFSET_DEP	0x20
 | |
| #define QUERY_FUNC_CAP_MTT_QUOTA_OFFSET_DEP	0x24
 | |
| #define QUERY_FUNC_CAP_MCG_QUOTA_OFFSET_DEP	0x28
 | |
| #define QUERY_FUNC_CAP_MAX_EQ_OFFSET		0x2c
 | |
| #define QUERY_FUNC_CAP_RESERVED_EQ_OFFSET	0x30
 | |
| #define QUERY_FUNC_CAP_QP_RESD_LKEY_OFFSET	0x48
 | |
| 
 | |
| #define QUERY_FUNC_CAP_QP_QUOTA_OFFSET		0x50
 | |
| #define QUERY_FUNC_CAP_CQ_QUOTA_OFFSET		0x54
 | |
| #define QUERY_FUNC_CAP_SRQ_QUOTA_OFFSET		0x58
 | |
| #define QUERY_FUNC_CAP_MPT_QUOTA_OFFSET		0x60
 | |
| #define QUERY_FUNC_CAP_MTT_QUOTA_OFFSET		0x64
 | |
| #define QUERY_FUNC_CAP_MCG_QUOTA_OFFSET		0x68
 | |
| 
 | |
| #define QUERY_FUNC_CAP_EXTRA_FLAGS_OFFSET	0x6c
 | |
| 
 | |
| #define QUERY_FUNC_CAP_FMR_FLAG			0x80
 | |
| #define QUERY_FUNC_CAP_FLAG_RDMA		0x40
 | |
| #define QUERY_FUNC_CAP_FLAG_ETH			0x80
 | |
| #define QUERY_FUNC_CAP_FLAG_QUOTAS		0x10
 | |
| #define QUERY_FUNC_CAP_FLAG_RESD_LKEY		0x08
 | |
| #define QUERY_FUNC_CAP_FLAG_VALID_MAILBOX	0x04
 | |
| 
 | |
| #define QUERY_FUNC_CAP_EXTRA_FLAGS_BF_QP_ALLOC_FLAG	(1UL << 31)
 | |
| #define QUERY_FUNC_CAP_EXTRA_FLAGS_A0_QP_ALLOC_FLAG	(1UL << 30)
 | |
| 
 | |
| /* when opcode modifier = 1 */
 | |
| #define QUERY_FUNC_CAP_PHYS_PORT_OFFSET		0x3
 | |
| #define QUERY_FUNC_CAP_PRIV_VF_QKEY_OFFSET	0x4
 | |
| #define QUERY_FUNC_CAP_FLAGS0_OFFSET		0x8
 | |
| #define QUERY_FUNC_CAP_FLAGS1_OFFSET		0xc
 | |
| 
 | |
| #define QUERY_FUNC_CAP_QP0_TUNNEL		0x10
 | |
| #define QUERY_FUNC_CAP_QP0_PROXY		0x14
 | |
| #define QUERY_FUNC_CAP_QP1_TUNNEL		0x18
 | |
| #define QUERY_FUNC_CAP_QP1_PROXY		0x1c
 | |
| #define QUERY_FUNC_CAP_PHYS_PORT_ID		0x28
 | |
| 
 | |
| #define QUERY_FUNC_CAP_FLAGS1_FORCE_MAC		0x40
 | |
| #define QUERY_FUNC_CAP_FLAGS1_FORCE_VLAN	0x80
 | |
| #define QUERY_FUNC_CAP_FLAGS1_NIC_INFO			0x10
 | |
| #define QUERY_FUNC_CAP_VF_ENABLE_QP0		0x08
 | |
| 
 | |
| #define QUERY_FUNC_CAP_FLAGS0_FORCE_PHY_WQE_GID 0x80
 | |
| #define QUERY_FUNC_CAP_PHV_BIT			0x40
 | |
| #define QUERY_FUNC_CAP_VLAN_OFFLOAD_DISABLE	0x20
 | |
| 
 | |
| #define QUERY_FUNC_CAP_SUPPORTS_VST_QINQ	BIT(30)
 | |
| #define QUERY_FUNC_CAP_SUPPORTS_NON_POWER_OF_2_NUM_EQS BIT(31)
 | |
| 
 | |
| 	if (vhcr->op_modifier == 1) {
 | |
| 		struct mlx4_active_ports actv_ports =
 | |
| 			mlx4_get_active_ports(dev, slave);
 | |
| 		int converted_port = mlx4_slave_convert_port(
 | |
| 				dev, slave, vhcr->in_modifier);
 | |
| 		struct mlx4_vport_oper_state *vp_oper;
 | |
| 
 | |
| 		if (converted_port < 0)
 | |
| 			return -EINVAL;
 | |
| 
 | |
| 		vhcr->in_modifier = converted_port;
 | |
| 		/* phys-port = logical-port */
 | |
| 		field = vhcr->in_modifier -
 | |
| 			find_first_bit(actv_ports.ports, dev->caps.num_ports);
 | |
| 		MLX4_PUT(outbox->buf, field, QUERY_FUNC_CAP_PHYS_PORT_OFFSET);
 | |
| 
 | |
| 		port = vhcr->in_modifier;
 | |
| 		proxy_qp = dev->phys_caps.base_proxy_sqpn + 8 * slave + port - 1;
 | |
| 
 | |
| 		/* Set nic_info bit to mark new fields support */
 | |
| 		field  = QUERY_FUNC_CAP_FLAGS1_NIC_INFO;
 | |
| 
 | |
| 		if (mlx4_vf_smi_enabled(dev, slave, port) &&
 | |
| 		    !mlx4_get_parav_qkey(dev, proxy_qp, &qkey)) {
 | |
| 			field |= QUERY_FUNC_CAP_VF_ENABLE_QP0;
 | |
| 			MLX4_PUT(outbox->buf, qkey,
 | |
| 				 QUERY_FUNC_CAP_PRIV_VF_QKEY_OFFSET);
 | |
| 		}
 | |
| 		MLX4_PUT(outbox->buf, field, QUERY_FUNC_CAP_FLAGS1_OFFSET);
 | |
| 
 | |
| 		/* size is now the QP number */
 | |
| 		size = dev->phys_caps.base_tunnel_sqpn + 8 * slave + port - 1;
 | |
| 		MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_QP0_TUNNEL);
 | |
| 
 | |
| 		size += 2;
 | |
| 		MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_QP1_TUNNEL);
 | |
| 
 | |
| 		MLX4_PUT(outbox->buf, proxy_qp, QUERY_FUNC_CAP_QP0_PROXY);
 | |
| 		proxy_qp += 2;
 | |
| 		MLX4_PUT(outbox->buf, proxy_qp, QUERY_FUNC_CAP_QP1_PROXY);
 | |
| 
 | |
| 		MLX4_PUT(outbox->buf, dev->caps.phys_port_id[vhcr->in_modifier],
 | |
| 			 QUERY_FUNC_CAP_PHYS_PORT_ID);
 | |
| 
 | |
| 		vp_oper = &priv->mfunc.master.vf_oper[slave].vport[port];
 | |
| 		err = mlx4_handle_vst_qinq(priv, slave, port);
 | |
| 		if (err)
 | |
| 			return err;
 | |
| 
 | |
| 		field = 0;
 | |
| 		if (dev->caps.phv_bit[port])
 | |
| 			field |= QUERY_FUNC_CAP_PHV_BIT;
 | |
| 		if (vp_oper->state.vlan_proto == htons(ETH_P_8021AD))
 | |
| 			field |= QUERY_FUNC_CAP_VLAN_OFFLOAD_DISABLE;
 | |
| 		MLX4_PUT(outbox->buf, field, QUERY_FUNC_CAP_FLAGS0_OFFSET);
 | |
| 
 | |
| 	} else if (vhcr->op_modifier == 0) {
 | |
| 		struct mlx4_active_ports actv_ports =
 | |
| 			mlx4_get_active_ports(dev, slave);
 | |
| 		struct mlx4_slave_state *slave_state =
 | |
| 			&priv->mfunc.master.slave_state[slave];
 | |
| 
 | |
| 		/* enable rdma and ethernet interfaces, new quota locations,
 | |
| 		 * and reserved lkey
 | |
| 		 */
 | |
| 		field = (QUERY_FUNC_CAP_FLAG_ETH | QUERY_FUNC_CAP_FLAG_RDMA |
 | |
| 			 QUERY_FUNC_CAP_FLAG_QUOTAS | QUERY_FUNC_CAP_FLAG_VALID_MAILBOX |
 | |
| 			 QUERY_FUNC_CAP_FLAG_RESD_LKEY);
 | |
| 		MLX4_PUT(outbox->buf, field, QUERY_FUNC_CAP_FLAGS_OFFSET);
 | |
| 
 | |
| 		field = min(
 | |
| 			bitmap_weight(actv_ports.ports, dev->caps.num_ports),
 | |
| 			(unsigned int) dev->caps.num_ports);
 | |
| 		MLX4_PUT(outbox->buf, field, QUERY_FUNC_CAP_NUM_PORTS_OFFSET);
 | |
| 
 | |
| 		size = dev->caps.function_caps; /* set PF behaviours */
 | |
| 		MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_PF_BHVR_OFFSET);
 | |
| 
 | |
| 		field = 0; /* protected FMR support not available as yet */
 | |
| 		MLX4_PUT(outbox->buf, field, QUERY_FUNC_CAP_FMR_OFFSET);
 | |
| 
 | |
| 		size = priv->mfunc.master.res_tracker.res_alloc[RES_QP].quota[slave];
 | |
| 		MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_QP_QUOTA_OFFSET);
 | |
| 		size = dev->caps.num_qps;
 | |
| 		MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_QP_QUOTA_OFFSET_DEP);
 | |
| 
 | |
| 		size = priv->mfunc.master.res_tracker.res_alloc[RES_SRQ].quota[slave];
 | |
| 		MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_SRQ_QUOTA_OFFSET);
 | |
| 		size = dev->caps.num_srqs;
 | |
| 		MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_SRQ_QUOTA_OFFSET_DEP);
 | |
| 
 | |
| 		size = priv->mfunc.master.res_tracker.res_alloc[RES_CQ].quota[slave];
 | |
| 		MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_CQ_QUOTA_OFFSET);
 | |
| 		size = dev->caps.num_cqs;
 | |
| 		MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_CQ_QUOTA_OFFSET_DEP);
 | |
| 
 | |
| 		if (!(dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_SYS_EQS) ||
 | |
| 		    mlx4_QUERY_FUNC(dev, &func, slave)) {
 | |
| 			size = vhcr->in_modifier &
 | |
| 				QUERY_FUNC_CAP_SUPPORTS_NON_POWER_OF_2_NUM_EQS ?
 | |
| 				dev->caps.num_eqs :
 | |
| 				rounddown_pow_of_two(dev->caps.num_eqs);
 | |
| 			MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_MAX_EQ_OFFSET);
 | |
| 			size = dev->caps.reserved_eqs;
 | |
| 			MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_RESERVED_EQ_OFFSET);
 | |
| 		} else {
 | |
| 			size = vhcr->in_modifier &
 | |
| 				QUERY_FUNC_CAP_SUPPORTS_NON_POWER_OF_2_NUM_EQS ?
 | |
| 				func.max_eq :
 | |
| 				rounddown_pow_of_two(func.max_eq);
 | |
| 			MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_MAX_EQ_OFFSET);
 | |
| 			size = func.rsvd_eqs;
 | |
| 			MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_RESERVED_EQ_OFFSET);
 | |
| 		}
 | |
| 
 | |
| 		size = priv->mfunc.master.res_tracker.res_alloc[RES_MPT].quota[slave];
 | |
| 		MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_MPT_QUOTA_OFFSET);
 | |
| 		size = dev->caps.num_mpts;
 | |
| 		MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_MPT_QUOTA_OFFSET_DEP);
 | |
| 
 | |
| 		size = priv->mfunc.master.res_tracker.res_alloc[RES_MTT].quota[slave];
 | |
| 		MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_MTT_QUOTA_OFFSET);
 | |
| 		size = dev->caps.num_mtts;
 | |
| 		MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_MTT_QUOTA_OFFSET_DEP);
 | |
| 
 | |
| 		size = dev->caps.num_mgms + dev->caps.num_amgms;
 | |
| 		MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_MCG_QUOTA_OFFSET);
 | |
| 		MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_MCG_QUOTA_OFFSET_DEP);
 | |
| 
 | |
| 		size = QUERY_FUNC_CAP_EXTRA_FLAGS_BF_QP_ALLOC_FLAG |
 | |
| 			QUERY_FUNC_CAP_EXTRA_FLAGS_A0_QP_ALLOC_FLAG;
 | |
| 		MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_EXTRA_FLAGS_OFFSET);
 | |
| 
 | |
| 		size = dev->caps.reserved_lkey + ((slave << 8) & 0xFF00);
 | |
| 		MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_QP_RESD_LKEY_OFFSET);
 | |
| 
 | |
| 		if (vhcr->in_modifier & QUERY_FUNC_CAP_SUPPORTS_VST_QINQ)
 | |
| 			slave_state->vst_qinq_supported = true;
 | |
| 
 | |
| 	} else
 | |
| 		err = -EINVAL;
 | |
| 
 | |
| 	return err;
 | |
| }
 | |
| 
 | |
| int mlx4_QUERY_FUNC_CAP(struct mlx4_dev *dev, u8 gen_or_port,
 | |
| 			struct mlx4_func_cap *func_cap)
 | |
| {
 | |
| 	struct mlx4_cmd_mailbox *mailbox;
 | |
| 	u32			*outbox;
 | |
| 	u8			field, op_modifier;
 | |
| 	u32			size, qkey;
 | |
| 	int			err = 0, quotas = 0;
 | |
| 	u32                     in_modifier;
 | |
| 	u32			slave_caps;
 | |
| 
 | |
| 	op_modifier = !!gen_or_port; /* 0 = general, 1 = logical port */
 | |
| 	slave_caps = QUERY_FUNC_CAP_SUPPORTS_VST_QINQ |
 | |
| 		QUERY_FUNC_CAP_SUPPORTS_NON_POWER_OF_2_NUM_EQS;
 | |
| 	in_modifier = op_modifier ? gen_or_port : slave_caps;
 | |
| 
 | |
| 	mailbox = mlx4_alloc_cmd_mailbox(dev);
 | |
| 	if (IS_ERR(mailbox))
 | |
| 		return PTR_ERR(mailbox);
 | |
| 
 | |
| 	err = mlx4_cmd_box(dev, 0, mailbox->dma, in_modifier, op_modifier,
 | |
| 			   MLX4_CMD_QUERY_FUNC_CAP,
 | |
| 			   MLX4_CMD_TIME_CLASS_A, MLX4_CMD_WRAPPED);
 | |
| 	if (err)
 | |
| 		goto out;
 | |
| 
 | |
| 	outbox = mailbox->buf;
 | |
| 
 | |
| 	if (!op_modifier) {
 | |
| 		MLX4_GET(field, outbox, QUERY_FUNC_CAP_FLAGS_OFFSET);
 | |
| 		if (!(field & (QUERY_FUNC_CAP_FLAG_ETH | QUERY_FUNC_CAP_FLAG_RDMA))) {
 | |
| 			mlx4_err(dev, "The host supports neither eth nor rdma interfaces\n");
 | |
| 			err = -EPROTONOSUPPORT;
 | |
| 			goto out;
 | |
| 		}
 | |
| 		func_cap->flags = field;
 | |
| 		quotas = !!(func_cap->flags & QUERY_FUNC_CAP_FLAG_QUOTAS);
 | |
| 
 | |
| 		MLX4_GET(field, outbox, QUERY_FUNC_CAP_NUM_PORTS_OFFSET);
 | |
| 		func_cap->num_ports = field;
 | |
| 
 | |
| 		MLX4_GET(size, outbox, QUERY_FUNC_CAP_PF_BHVR_OFFSET);
 | |
| 		func_cap->pf_context_behaviour = size;
 | |
| 
 | |
| 		if (quotas) {
 | |
| 			MLX4_GET(size, outbox, QUERY_FUNC_CAP_QP_QUOTA_OFFSET);
 | |
| 			func_cap->qp_quota = size & 0xFFFFFF;
 | |
| 
 | |
| 			MLX4_GET(size, outbox, QUERY_FUNC_CAP_SRQ_QUOTA_OFFSET);
 | |
| 			func_cap->srq_quota = size & 0xFFFFFF;
 | |
| 
 | |
| 			MLX4_GET(size, outbox, QUERY_FUNC_CAP_CQ_QUOTA_OFFSET);
 | |
| 			func_cap->cq_quota = size & 0xFFFFFF;
 | |
| 
 | |
| 			MLX4_GET(size, outbox, QUERY_FUNC_CAP_MPT_QUOTA_OFFSET);
 | |
| 			func_cap->mpt_quota = size & 0xFFFFFF;
 | |
| 
 | |
| 			MLX4_GET(size, outbox, QUERY_FUNC_CAP_MTT_QUOTA_OFFSET);
 | |
| 			func_cap->mtt_quota = size & 0xFFFFFF;
 | |
| 
 | |
| 			MLX4_GET(size, outbox, QUERY_FUNC_CAP_MCG_QUOTA_OFFSET);
 | |
| 			func_cap->mcg_quota = size & 0xFFFFFF;
 | |
| 
 | |
| 		} else {
 | |
| 			MLX4_GET(size, outbox, QUERY_FUNC_CAP_QP_QUOTA_OFFSET_DEP);
 | |
| 			func_cap->qp_quota = size & 0xFFFFFF;
 | |
| 
 | |
| 			MLX4_GET(size, outbox, QUERY_FUNC_CAP_SRQ_QUOTA_OFFSET_DEP);
 | |
| 			func_cap->srq_quota = size & 0xFFFFFF;
 | |
| 
 | |
| 			MLX4_GET(size, outbox, QUERY_FUNC_CAP_CQ_QUOTA_OFFSET_DEP);
 | |
| 			func_cap->cq_quota = size & 0xFFFFFF;
 | |
| 
 | |
| 			MLX4_GET(size, outbox, QUERY_FUNC_CAP_MPT_QUOTA_OFFSET_DEP);
 | |
| 			func_cap->mpt_quota = size & 0xFFFFFF;
 | |
| 
 | |
| 			MLX4_GET(size, outbox, QUERY_FUNC_CAP_MTT_QUOTA_OFFSET_DEP);
 | |
| 			func_cap->mtt_quota = size & 0xFFFFFF;
 | |
| 
 | |
| 			MLX4_GET(size, outbox, QUERY_FUNC_CAP_MCG_QUOTA_OFFSET_DEP);
 | |
| 			func_cap->mcg_quota = size & 0xFFFFFF;
 | |
| 		}
 | |
| 		MLX4_GET(size, outbox, QUERY_FUNC_CAP_MAX_EQ_OFFSET);
 | |
| 		func_cap->max_eq = size & 0xFFFFFF;
 | |
| 
 | |
| 		MLX4_GET(size, outbox, QUERY_FUNC_CAP_RESERVED_EQ_OFFSET);
 | |
| 		func_cap->reserved_eq = size & 0xFFFFFF;
 | |
| 
 | |
| 		if (func_cap->flags & QUERY_FUNC_CAP_FLAG_RESD_LKEY) {
 | |
| 			MLX4_GET(size, outbox, QUERY_FUNC_CAP_QP_RESD_LKEY_OFFSET);
 | |
| 			func_cap->reserved_lkey = size;
 | |
| 		} else {
 | |
| 			func_cap->reserved_lkey = 0;
 | |
| 		}
 | |
| 
 | |
| 		func_cap->extra_flags = 0;
 | |
| 
 | |
| 		/* Mailbox data from 0x6c and onward should only be treated if
 | |
| 		 * QUERY_FUNC_CAP_FLAG_VALID_MAILBOX is set in func_cap->flags
 | |
| 		 */
 | |
| 		if (func_cap->flags & QUERY_FUNC_CAP_FLAG_VALID_MAILBOX) {
 | |
| 			MLX4_GET(size, outbox, QUERY_FUNC_CAP_EXTRA_FLAGS_OFFSET);
 | |
| 			if (size & QUERY_FUNC_CAP_EXTRA_FLAGS_BF_QP_ALLOC_FLAG)
 | |
| 				func_cap->extra_flags |= MLX4_QUERY_FUNC_FLAGS_BF_RES_QP;
 | |
| 			if (size & QUERY_FUNC_CAP_EXTRA_FLAGS_A0_QP_ALLOC_FLAG)
 | |
| 				func_cap->extra_flags |= MLX4_QUERY_FUNC_FLAGS_A0_RES_QP;
 | |
| 		}
 | |
| 
 | |
| 		goto out;
 | |
| 	}
 | |
| 
 | |
| 	/* logical port query */
 | |
| 	if (gen_or_port > dev->caps.num_ports) {
 | |
| 		err = -EINVAL;
 | |
| 		goto out;
 | |
| 	}
 | |
| 
 | |
| 	MLX4_GET(func_cap->flags1, outbox, QUERY_FUNC_CAP_FLAGS1_OFFSET);
 | |
| 	if (dev->caps.port_type[gen_or_port] == MLX4_PORT_TYPE_ETH) {
 | |
| 		if (func_cap->flags1 & QUERY_FUNC_CAP_FLAGS1_FORCE_VLAN) {
 | |
| 			mlx4_err(dev, "VLAN is enforced on this port\n");
 | |
| 			err = -EPROTONOSUPPORT;
 | |
| 			goto out;
 | |
| 		}
 | |
| 
 | |
| 		if (func_cap->flags1 & QUERY_FUNC_CAP_FLAGS1_FORCE_MAC) {
 | |
| 			mlx4_err(dev, "Force mac is enabled on this port\n");
 | |
| 			err = -EPROTONOSUPPORT;
 | |
| 			goto out;
 | |
| 		}
 | |
| 	} else if (dev->caps.port_type[gen_or_port] == MLX4_PORT_TYPE_IB) {
 | |
| 		MLX4_GET(field, outbox, QUERY_FUNC_CAP_FLAGS0_OFFSET);
 | |
| 		if (field & QUERY_FUNC_CAP_FLAGS0_FORCE_PHY_WQE_GID) {
 | |
| 			mlx4_err(dev, "phy_wqe_gid is enforced on this ib port\n");
 | |
| 			err = -EPROTONOSUPPORT;
 | |
| 			goto out;
 | |
| 		}
 | |
| 	}
 | |
| 
 | |
| 	MLX4_GET(field, outbox, QUERY_FUNC_CAP_PHYS_PORT_OFFSET);
 | |
| 	func_cap->physical_port = field;
 | |
| 	if (func_cap->physical_port != gen_or_port) {
 | |
| 		err = -EINVAL;
 | |
| 		goto out;
 | |
| 	}
 | |
| 
 | |
| 	if (func_cap->flags1 & QUERY_FUNC_CAP_VF_ENABLE_QP0) {
 | |
| 		MLX4_GET(qkey, outbox, QUERY_FUNC_CAP_PRIV_VF_QKEY_OFFSET);
 | |
| 		func_cap->spec_qps.qp0_qkey = qkey;
 | |
| 	} else {
 | |
| 		func_cap->spec_qps.qp0_qkey = 0;
 | |
| 	}
 | |
| 
 | |
| 	MLX4_GET(size, outbox, QUERY_FUNC_CAP_QP0_TUNNEL);
 | |
| 	func_cap->spec_qps.qp0_tunnel = size & 0xFFFFFF;
 | |
| 
 | |
| 	MLX4_GET(size, outbox, QUERY_FUNC_CAP_QP0_PROXY);
 | |
| 	func_cap->spec_qps.qp0_proxy = size & 0xFFFFFF;
 | |
| 
 | |
| 	MLX4_GET(size, outbox, QUERY_FUNC_CAP_QP1_TUNNEL);
 | |
| 	func_cap->spec_qps.qp1_tunnel = size & 0xFFFFFF;
 | |
| 
 | |
| 	MLX4_GET(size, outbox, QUERY_FUNC_CAP_QP1_PROXY);
 | |
| 	func_cap->spec_qps.qp1_proxy = size & 0xFFFFFF;
 | |
| 
 | |
| 	if (func_cap->flags1 & QUERY_FUNC_CAP_FLAGS1_NIC_INFO)
 | |
| 		MLX4_GET(func_cap->phys_port_id, outbox,
 | |
| 			 QUERY_FUNC_CAP_PHYS_PORT_ID);
 | |
| 
 | |
| 	MLX4_GET(func_cap->flags0, outbox, QUERY_FUNC_CAP_FLAGS0_OFFSET);
 | |
| 
 | |
| 	/* All other resources are allocated by the master, but we still report
 | |
| 	 * 'num' and 'reserved' capabilities as follows:
 | |
| 	 * - num remains the maximum resource index
 | |
| 	 * - 'num - reserved' is the total available objects of a resource, but
 | |
| 	 *   resource indices may be less than 'reserved'
 | |
| 	 * TODO: set per-resource quotas */
 | |
| 
 | |
| out:
 | |
| 	mlx4_free_cmd_mailbox(dev, mailbox);
 | |
| 
 | |
| 	return err;
 | |
| }
 | |
| 
 | |
| static void disable_unsupported_roce_caps(void *buf);
 | |
| 
 | |
| int mlx4_QUERY_DEV_CAP(struct mlx4_dev *dev, struct mlx4_dev_cap *dev_cap)
 | |
| {
 | |
| 	struct mlx4_cmd_mailbox *mailbox;
 | |
| 	u32 *outbox;
 | |
| 	u8 field;
 | |
| 	u32 field32, flags, ext_flags;
 | |
| 	u16 size;
 | |
| 	u16 stat_rate;
 | |
| 	int err;
 | |
| 	int i;
 | |
| 
 | |
| #define QUERY_DEV_CAP_OUT_SIZE		       0x100
 | |
| #define QUERY_DEV_CAP_MAX_SRQ_SZ_OFFSET		0x10
 | |
| #define QUERY_DEV_CAP_MAX_QP_SZ_OFFSET		0x11
 | |
| #define QUERY_DEV_CAP_RSVD_QP_OFFSET		0x12
 | |
| #define QUERY_DEV_CAP_MAX_QP_OFFSET		0x13
 | |
| #define QUERY_DEV_CAP_RSVD_SRQ_OFFSET		0x14
 | |
| #define QUERY_DEV_CAP_MAX_SRQ_OFFSET		0x15
 | |
| #define QUERY_DEV_CAP_RSVD_EEC_OFFSET		0x16
 | |
| #define QUERY_DEV_CAP_MAX_EEC_OFFSET		0x17
 | |
| #define QUERY_DEV_CAP_MAX_CQ_SZ_OFFSET		0x19
 | |
| #define QUERY_DEV_CAP_RSVD_CQ_OFFSET		0x1a
 | |
| #define QUERY_DEV_CAP_MAX_CQ_OFFSET		0x1b
 | |
| #define QUERY_DEV_CAP_MAX_MPT_OFFSET		0x1d
 | |
| #define QUERY_DEV_CAP_RSVD_EQ_OFFSET		0x1e
 | |
| #define QUERY_DEV_CAP_MAX_EQ_OFFSET		0x1f
 | |
| #define QUERY_DEV_CAP_RSVD_MTT_OFFSET		0x20
 | |
| #define QUERY_DEV_CAP_MAX_MRW_SZ_OFFSET		0x21
 | |
| #define QUERY_DEV_CAP_RSVD_MRW_OFFSET		0x22
 | |
| #define QUERY_DEV_CAP_MAX_MTT_SEG_OFFSET	0x23
 | |
| #define QUERY_DEV_CAP_NUM_SYS_EQ_OFFSET		0x26
 | |
| #define QUERY_DEV_CAP_MAX_AV_OFFSET		0x27
 | |
| #define QUERY_DEV_CAP_MAX_REQ_QP_OFFSET		0x29
 | |
| #define QUERY_DEV_CAP_MAX_RES_QP_OFFSET		0x2b
 | |
| #define QUERY_DEV_CAP_MAX_GSO_OFFSET		0x2d
 | |
| #define QUERY_DEV_CAP_RSS_OFFSET		0x2e
 | |
| #define QUERY_DEV_CAP_MAX_RDMA_OFFSET		0x2f
 | |
| #define QUERY_DEV_CAP_RSZ_SRQ_OFFSET		0x33
 | |
| #define QUERY_DEV_CAP_PORT_BEACON_OFFSET	0x34
 | |
| #define QUERY_DEV_CAP_ACK_DELAY_OFFSET		0x35
 | |
| #define QUERY_DEV_CAP_MTU_WIDTH_OFFSET		0x36
 | |
| #define QUERY_DEV_CAP_VL_PORT_OFFSET		0x37
 | |
| #define QUERY_DEV_CAP_MAX_MSG_SZ_OFFSET		0x38
 | |
| #define QUERY_DEV_CAP_MAX_GID_OFFSET		0x3b
 | |
| #define QUERY_DEV_CAP_RATE_SUPPORT_OFFSET	0x3c
 | |
| #define QUERY_DEV_CAP_CQ_TS_SUPPORT_OFFSET	0x3e
 | |
| #define QUERY_DEV_CAP_MAX_PKEY_OFFSET		0x3f
 | |
| #define QUERY_DEV_CAP_EXT_FLAGS_OFFSET		0x40
 | |
| #define QUERY_DEV_CAP_WOL_OFFSET		0x43
 | |
| #define QUERY_DEV_CAP_FLAGS_OFFSET		0x44
 | |
| #define QUERY_DEV_CAP_RSVD_UAR_OFFSET		0x48
 | |
| #define QUERY_DEV_CAP_UAR_SZ_OFFSET		0x49
 | |
| #define QUERY_DEV_CAP_PAGE_SZ_OFFSET		0x4b
 | |
| #define QUERY_DEV_CAP_BF_OFFSET			0x4c
 | |
| #define QUERY_DEV_CAP_LOG_BF_REG_SZ_OFFSET	0x4d
 | |
| #define QUERY_DEV_CAP_LOG_MAX_BF_REGS_PER_PAGE_OFFSET	0x4e
 | |
| #define QUERY_DEV_CAP_LOG_MAX_BF_PAGES_OFFSET	0x4f
 | |
| #define QUERY_DEV_CAP_MAX_SG_SQ_OFFSET		0x51
 | |
| #define QUERY_DEV_CAP_MAX_DESC_SZ_SQ_OFFSET	0x52
 | |
| #define QUERY_DEV_CAP_MAX_SG_RQ_OFFSET		0x55
 | |
| #define QUERY_DEV_CAP_MAX_DESC_SZ_RQ_OFFSET	0x56
 | |
| #define QUERY_DEV_CAP_USER_MAC_EN_OFFSET	0x5C
 | |
| #define QUERY_DEV_CAP_SVLAN_BY_QP_OFFSET	0x5D
 | |
| #define QUERY_DEV_CAP_MAX_QP_MCG_OFFSET		0x61
 | |
| #define QUERY_DEV_CAP_RSVD_MCG_OFFSET		0x62
 | |
| #define QUERY_DEV_CAP_MAX_MCG_OFFSET		0x63
 | |
| #define QUERY_DEV_CAP_RSVD_PD_OFFSET		0x64
 | |
| #define QUERY_DEV_CAP_MAX_PD_OFFSET		0x65
 | |
| #define QUERY_DEV_CAP_RSVD_XRC_OFFSET		0x66
 | |
| #define QUERY_DEV_CAP_MAX_XRC_OFFSET		0x67
 | |
| #define QUERY_DEV_CAP_MAX_COUNTERS_OFFSET	0x68
 | |
| #define QUERY_DEV_CAP_PORT_FLOWSTATS_COUNTERS_OFFSET	0x70
 | |
| #define QUERY_DEV_CAP_EXT_2_FLAGS_OFFSET	0x70
 | |
| #define QUERY_DEV_CAP_FLOW_STEERING_IPOIB_OFFSET	0x74
 | |
| #define QUERY_DEV_CAP_FLOW_STEERING_RANGE_EN_OFFSET	0x76
 | |
| #define QUERY_DEV_CAP_FLOW_STEERING_MAX_QP_OFFSET	0x77
 | |
| #define QUERY_DEV_CAP_SL2VL_EVENT_OFFSET	0x78
 | |
| #define QUERY_DEV_CAP_CQ_EQ_CACHE_LINE_STRIDE	0x7a
 | |
| #define QUERY_DEV_CAP_ECN_QCN_VER_OFFSET	0x7b
 | |
| #define QUERY_DEV_CAP_RDMARC_ENTRY_SZ_OFFSET	0x80
 | |
| #define QUERY_DEV_CAP_QPC_ENTRY_SZ_OFFSET	0x82
 | |
| #define QUERY_DEV_CAP_AUX_ENTRY_SZ_OFFSET	0x84
 | |
| #define QUERY_DEV_CAP_ALTC_ENTRY_SZ_OFFSET	0x86
 | |
| #define QUERY_DEV_CAP_EQC_ENTRY_SZ_OFFSET	0x88
 | |
| #define QUERY_DEV_CAP_CQC_ENTRY_SZ_OFFSET	0x8a
 | |
| #define QUERY_DEV_CAP_SRQ_ENTRY_SZ_OFFSET	0x8c
 | |
| #define QUERY_DEV_CAP_C_MPT_ENTRY_SZ_OFFSET	0x8e
 | |
| #define QUERY_DEV_CAP_MTT_ENTRY_SZ_OFFSET	0x90
 | |
| #define QUERY_DEV_CAP_D_MPT_ENTRY_SZ_OFFSET	0x92
 | |
| #define QUERY_DEV_CAP_BMME_FLAGS_OFFSET		0x94
 | |
| #define QUERY_DEV_CAP_CONFIG_DEV_OFFSET		0x94
 | |
| #define QUERY_DEV_CAP_PHV_EN_OFFSET		0x96
 | |
| #define QUERY_DEV_CAP_RSVD_LKEY_OFFSET		0x98
 | |
| #define QUERY_DEV_CAP_MAX_ICM_SZ_OFFSET		0xa0
 | |
| #define QUERY_DEV_CAP_ETH_BACKPL_OFFSET		0x9c
 | |
| #define QUERY_DEV_CAP_DIAG_RPRT_PER_PORT	0x9c
 | |
| #define QUERY_DEV_CAP_FW_REASSIGN_MAC		0x9d
 | |
| #define QUERY_DEV_CAP_VXLAN			0x9e
 | |
| #define QUERY_DEV_CAP_MAD_DEMUX_OFFSET		0xb0
 | |
| #define QUERY_DEV_CAP_DMFS_HIGH_RATE_QPN_BASE_OFFSET	0xa8
 | |
| #define QUERY_DEV_CAP_DMFS_HIGH_RATE_QPN_RANGE_OFFSET	0xac
 | |
| #define QUERY_DEV_CAP_MAP_CLOCK_TO_USER 0xc1
 | |
| #define QUERY_DEV_CAP_QP_RATE_LIMIT_NUM_OFFSET	0xcc
 | |
| #define QUERY_DEV_CAP_QP_RATE_LIMIT_MAX_OFFSET	0xd0
 | |
| #define QUERY_DEV_CAP_QP_RATE_LIMIT_MIN_OFFSET	0xd2
 | |
| #define QUERY_DEV_CAP_HEALTH_BUFFER_ADDRESS_OFFSET	0xe4
 | |
| 
 | |
| 	dev_cap->flags2 = 0;
 | |
| 	mailbox = mlx4_alloc_cmd_mailbox(dev);
 | |
| 	if (IS_ERR(mailbox))
 | |
| 		return PTR_ERR(mailbox);
 | |
| 	outbox = mailbox->buf;
 | |
| 
 | |
| 	err = mlx4_cmd_box(dev, 0, mailbox->dma, 0, 0, MLX4_CMD_QUERY_DEV_CAP,
 | |
| 			   MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE);
 | |
| 	if (err)
 | |
| 		goto out;
 | |
| 
 | |
| 	if (mlx4_is_mfunc(dev))
 | |
| 		disable_unsupported_roce_caps(outbox);
 | |
| 	MLX4_GET(field, outbox, QUERY_DEV_CAP_MAP_CLOCK_TO_USER);
 | |
| 	dev_cap->map_clock_to_user = field & 0x80;
 | |
| 	MLX4_GET(field, outbox, QUERY_DEV_CAP_RSVD_QP_OFFSET);
 | |
| 	dev_cap->reserved_qps = 1 << (field & 0xf);
 | |
| 	MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_QP_OFFSET);
 | |
| 	dev_cap->max_qps = 1 << (field & 0x1f);
 | |
| 	MLX4_GET(field, outbox, QUERY_DEV_CAP_RSVD_SRQ_OFFSET);
 | |
| 	dev_cap->reserved_srqs = 1 << (field >> 4);
 | |
| 	MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_SRQ_OFFSET);
 | |
| 	dev_cap->max_srqs = 1 << (field & 0x1f);
 | |
| 	MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_CQ_SZ_OFFSET);
 | |
| 	dev_cap->max_cq_sz = 1 << field;
 | |
| 	MLX4_GET(field, outbox, QUERY_DEV_CAP_RSVD_CQ_OFFSET);
 | |
| 	dev_cap->reserved_cqs = 1 << (field & 0xf);
 | |
| 	MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_CQ_OFFSET);
 | |
| 	dev_cap->max_cqs = 1 << (field & 0x1f);
 | |
| 	MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_MPT_OFFSET);
 | |
| 	dev_cap->max_mpts = 1 << (field & 0x3f);
 | |
| 	MLX4_GET(field, outbox, QUERY_DEV_CAP_RSVD_EQ_OFFSET);
 | |
| 	dev_cap->reserved_eqs = 1 << (field & 0xf);
 | |
| 	MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_EQ_OFFSET);
 | |
| 	dev_cap->max_eqs = 1 << (field & 0xf);
 | |
| 	MLX4_GET(field, outbox, QUERY_DEV_CAP_RSVD_MTT_OFFSET);
 | |
| 	dev_cap->reserved_mtts = 1 << (field >> 4);
 | |
| 	MLX4_GET(field, outbox, QUERY_DEV_CAP_RSVD_MRW_OFFSET);
 | |
| 	dev_cap->reserved_mrws = 1 << (field & 0xf);
 | |
| 	MLX4_GET(size, outbox, QUERY_DEV_CAP_NUM_SYS_EQ_OFFSET);
 | |
| 	dev_cap->num_sys_eqs = size & 0xfff;
 | |
| 	MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_REQ_QP_OFFSET);
 | |
| 	dev_cap->max_requester_per_qp = 1 << (field & 0x3f);
 | |
| 	MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_RES_QP_OFFSET);
 | |
| 	dev_cap->max_responder_per_qp = 1 << (field & 0x3f);
 | |
| 	MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_GSO_OFFSET);
 | |
| 	field &= 0x1f;
 | |
| 	if (!field)
 | |
| 		dev_cap->max_gso_sz = 0;
 | |
| 	else
 | |
| 		dev_cap->max_gso_sz = 1 << field;
 | |
| 
 | |
| 	MLX4_GET(field, outbox, QUERY_DEV_CAP_RSS_OFFSET);
 | |
| 	if (field & 0x20)
 | |
| 		dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_RSS_XOR;
 | |
| 	if (field & 0x10)
 | |
| 		dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_RSS_TOP;
 | |
| 	field &= 0xf;
 | |
| 	if (field) {
 | |
| 		dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_RSS;
 | |
| 		dev_cap->max_rss_tbl_sz = 1 << field;
 | |
| 	} else
 | |
| 		dev_cap->max_rss_tbl_sz = 0;
 | |
| 	MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_RDMA_OFFSET);
 | |
| 	dev_cap->max_rdma_global = 1 << (field & 0x3f);
 | |
| 	MLX4_GET(field, outbox, QUERY_DEV_CAP_ACK_DELAY_OFFSET);
 | |
| 	dev_cap->local_ca_ack_delay = field & 0x1f;
 | |
| 	MLX4_GET(field, outbox, QUERY_DEV_CAP_VL_PORT_OFFSET);
 | |
| 	dev_cap->num_ports = field & 0xf;
 | |
| 	MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_MSG_SZ_OFFSET);
 | |
| 	dev_cap->max_msg_sz = 1 << (field & 0x1f);
 | |
| 	MLX4_GET(field, outbox, QUERY_DEV_CAP_PORT_FLOWSTATS_COUNTERS_OFFSET);
 | |
| 	if (field & 0x10)
 | |
| 		dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_FLOWSTATS_EN;
 | |
| 	MLX4_GET(field, outbox, QUERY_DEV_CAP_FLOW_STEERING_RANGE_EN_OFFSET);
 | |
| 	if (field & 0x80)
 | |
| 		dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_FS_EN;
 | |
| 	dev_cap->fs_log_max_ucast_qp_range_size = field & 0x1f;
 | |
| 	if (field & 0x20)
 | |
| 		dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_DMFS_UC_MC_SNIFFER;
 | |
| 	MLX4_GET(field, outbox, QUERY_DEV_CAP_PORT_BEACON_OFFSET);
 | |
| 	if (field & 0x80)
 | |
| 		dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_PORT_BEACON;
 | |
| 	MLX4_GET(field, outbox, QUERY_DEV_CAP_FLOW_STEERING_IPOIB_OFFSET);
 | |
| 	if (field & 0x80)
 | |
| 		dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_DMFS_IPOIB;
 | |
| 	MLX4_GET(field, outbox, QUERY_DEV_CAP_FLOW_STEERING_MAX_QP_OFFSET);
 | |
| 	dev_cap->fs_max_num_qp_per_entry = field;
 | |
| 	MLX4_GET(field, outbox, QUERY_DEV_CAP_SL2VL_EVENT_OFFSET);
 | |
| 	if (field & (1 << 5))
 | |
| 		dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_SL_TO_VL_CHANGE_EVENT;
 | |
| 	MLX4_GET(field, outbox, QUERY_DEV_CAP_ECN_QCN_VER_OFFSET);
 | |
| 	if (field & 0x1)
 | |
| 		dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_QCN;
 | |
| 	MLX4_GET(stat_rate, outbox, QUERY_DEV_CAP_RATE_SUPPORT_OFFSET);
 | |
| 	dev_cap->stat_rate_support = stat_rate;
 | |
| 	MLX4_GET(field, outbox, QUERY_DEV_CAP_CQ_TS_SUPPORT_OFFSET);
 | |
| 	if (field & 0x80)
 | |
| 		dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_TS;
 | |
| 	MLX4_GET(ext_flags, outbox, QUERY_DEV_CAP_EXT_FLAGS_OFFSET);
 | |
| 	MLX4_GET(flags, outbox, QUERY_DEV_CAP_FLAGS_OFFSET);
 | |
| 	dev_cap->flags = flags | (u64)ext_flags << 32;
 | |
| 	MLX4_GET(field, outbox, QUERY_DEV_CAP_WOL_OFFSET);
 | |
| 	dev_cap->wol_port[1] = !!(field & 0x20);
 | |
| 	dev_cap->wol_port[2] = !!(field & 0x40);
 | |
| 	MLX4_GET(field, outbox, QUERY_DEV_CAP_RSVD_UAR_OFFSET);
 | |
| 	dev_cap->reserved_uars = field >> 4;
 | |
| 	MLX4_GET(field, outbox, QUERY_DEV_CAP_UAR_SZ_OFFSET);
 | |
| 	dev_cap->uar_size = 1 << ((field & 0x3f) + 20);
 | |
| 	MLX4_GET(field, outbox, QUERY_DEV_CAP_PAGE_SZ_OFFSET);
 | |
| 	dev_cap->min_page_sz = 1 << field;
 | |
| 
 | |
| 	MLX4_GET(field, outbox, QUERY_DEV_CAP_BF_OFFSET);
 | |
| 	if (field & 0x80) {
 | |
| 		MLX4_GET(field, outbox, QUERY_DEV_CAP_LOG_BF_REG_SZ_OFFSET);
 | |
| 		dev_cap->bf_reg_size = 1 << (field & 0x1f);
 | |
| 		MLX4_GET(field, outbox, QUERY_DEV_CAP_LOG_MAX_BF_REGS_PER_PAGE_OFFSET);
 | |
| 		if ((1 << (field & 0x3f)) > (PAGE_SIZE / dev_cap->bf_reg_size))
 | |
| 			field = 3;
 | |
| 		dev_cap->bf_regs_per_page = 1 << (field & 0x3f);
 | |
| 	} else {
 | |
| 		dev_cap->bf_reg_size = 0;
 | |
| 	}
 | |
| 
 | |
| 	MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_SG_SQ_OFFSET);
 | |
| 	dev_cap->max_sq_sg = field;
 | |
| 	MLX4_GET(size, outbox, QUERY_DEV_CAP_MAX_DESC_SZ_SQ_OFFSET);
 | |
| 	dev_cap->max_sq_desc_sz = size;
 | |
| 
 | |
| 	MLX4_GET(field, outbox, QUERY_DEV_CAP_USER_MAC_EN_OFFSET);
 | |
| 	if (field & (1 << 2))
 | |
| 		dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_USER_MAC_EN;
 | |
| 	MLX4_GET(field, outbox, QUERY_DEV_CAP_SVLAN_BY_QP_OFFSET);
 | |
| 	if (field & 0x1)
 | |
| 		dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_SVLAN_BY_QP;
 | |
| 	MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_QP_MCG_OFFSET);
 | |
| 	dev_cap->max_qp_per_mcg = 1 << field;
 | |
| 	MLX4_GET(field, outbox, QUERY_DEV_CAP_RSVD_MCG_OFFSET);
 | |
| 	dev_cap->reserved_mgms = field & 0xf;
 | |
| 	MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_MCG_OFFSET);
 | |
| 	dev_cap->max_mcgs = 1 << field;
 | |
| 	MLX4_GET(field, outbox, QUERY_DEV_CAP_RSVD_PD_OFFSET);
 | |
| 	dev_cap->reserved_pds = field >> 4;
 | |
| 	MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_PD_OFFSET);
 | |
| 	dev_cap->max_pds = 1 << (field & 0x3f);
 | |
| 	MLX4_GET(field, outbox, QUERY_DEV_CAP_RSVD_XRC_OFFSET);
 | |
| 	dev_cap->reserved_xrcds = field >> 4;
 | |
| 	MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_XRC_OFFSET);
 | |
| 	dev_cap->max_xrcds = 1 << (field & 0x1f);
 | |
| 
 | |
| 	MLX4_GET(size, outbox, QUERY_DEV_CAP_RDMARC_ENTRY_SZ_OFFSET);
 | |
| 	dev_cap->rdmarc_entry_sz = size;
 | |
| 	MLX4_GET(size, outbox, QUERY_DEV_CAP_QPC_ENTRY_SZ_OFFSET);
 | |
| 	dev_cap->qpc_entry_sz = size;
 | |
| 	MLX4_GET(size, outbox, QUERY_DEV_CAP_AUX_ENTRY_SZ_OFFSET);
 | |
| 	dev_cap->aux_entry_sz = size;
 | |
| 	MLX4_GET(size, outbox, QUERY_DEV_CAP_ALTC_ENTRY_SZ_OFFSET);
 | |
| 	dev_cap->altc_entry_sz = size;
 | |
| 	MLX4_GET(size, outbox, QUERY_DEV_CAP_EQC_ENTRY_SZ_OFFSET);
 | |
| 	dev_cap->eqc_entry_sz = size;
 | |
| 	MLX4_GET(size, outbox, QUERY_DEV_CAP_CQC_ENTRY_SZ_OFFSET);
 | |
| 	dev_cap->cqc_entry_sz = size;
 | |
| 	MLX4_GET(size, outbox, QUERY_DEV_CAP_SRQ_ENTRY_SZ_OFFSET);
 | |
| 	dev_cap->srq_entry_sz = size;
 | |
| 	MLX4_GET(size, outbox, QUERY_DEV_CAP_C_MPT_ENTRY_SZ_OFFSET);
 | |
| 	dev_cap->cmpt_entry_sz = size;
 | |
| 	MLX4_GET(size, outbox, QUERY_DEV_CAP_MTT_ENTRY_SZ_OFFSET);
 | |
| 	dev_cap->mtt_entry_sz = size;
 | |
| 	MLX4_GET(size, outbox, QUERY_DEV_CAP_D_MPT_ENTRY_SZ_OFFSET);
 | |
| 	dev_cap->dmpt_entry_sz = size;
 | |
| 
 | |
| 	MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_SRQ_SZ_OFFSET);
 | |
| 	dev_cap->max_srq_sz = 1 << field;
 | |
| 	MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_QP_SZ_OFFSET);
 | |
| 	dev_cap->max_qp_sz = 1 << field;
 | |
| 	MLX4_GET(field, outbox, QUERY_DEV_CAP_RSZ_SRQ_OFFSET);
 | |
| 	dev_cap->resize_srq = field & 1;
 | |
| 	MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_SG_RQ_OFFSET);
 | |
| 	dev_cap->max_rq_sg = field;
 | |
| 	MLX4_GET(size, outbox, QUERY_DEV_CAP_MAX_DESC_SZ_RQ_OFFSET);
 | |
| 	dev_cap->max_rq_desc_sz = size;
 | |
| 	MLX4_GET(field, outbox, QUERY_DEV_CAP_CQ_EQ_CACHE_LINE_STRIDE);
 | |
| 	if (field & (1 << 4))
 | |
| 		dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_QOS_VPP;
 | |
| 	if (field & (1 << 5))
 | |
| 		dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_ETH_PROT_CTRL;
 | |
| 	if (field & (1 << 6))
 | |
| 		dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_CQE_STRIDE;
 | |
| 	if (field & (1 << 7))
 | |
| 		dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_EQE_STRIDE;
 | |
| 	MLX4_GET(dev_cap->bmme_flags, outbox,
 | |
| 		 QUERY_DEV_CAP_BMME_FLAGS_OFFSET);
 | |
| 	if (dev_cap->bmme_flags & MLX4_FLAG_ROCE_V1_V2)
 | |
| 		dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_ROCE_V1_V2;
 | |
| 	if (dev_cap->bmme_flags & MLX4_FLAG_PORT_REMAP)
 | |
| 		dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_PORT_REMAP;
 | |
| 	MLX4_GET(field, outbox, QUERY_DEV_CAP_CONFIG_DEV_OFFSET);
 | |
| 	if (field & 0x20)
 | |
| 		dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_CONFIG_DEV;
 | |
| 	if (field & (1 << 2))
 | |
| 		dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_IGNORE_FCS;
 | |
| 	MLX4_GET(field, outbox, QUERY_DEV_CAP_PHV_EN_OFFSET);
 | |
| 	if (field & 0x80)
 | |
| 		dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_PHV_EN;
 | |
| 	if (field & 0x40)
 | |
| 		dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_SKIP_OUTER_VLAN;
 | |
| 
 | |
| 	MLX4_GET(dev_cap->reserved_lkey, outbox,
 | |
| 		 QUERY_DEV_CAP_RSVD_LKEY_OFFSET);
 | |
| 	MLX4_GET(field32, outbox, QUERY_DEV_CAP_ETH_BACKPL_OFFSET);
 | |
| 	if (field32 & (1 << 0))
 | |
| 		dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_ETH_BACKPL_AN_REP;
 | |
| 	if (field32 & (1 << 7))
 | |
| 		dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_RECOVERABLE_ERROR_EVENT;
 | |
| 	if (field32 & (1 << 8))
 | |
| 		dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_DRIVER_VERSION_TO_FW;
 | |
| 	MLX4_GET(field32, outbox, QUERY_DEV_CAP_DIAG_RPRT_PER_PORT);
 | |
| 	if (field32 & (1 << 17))
 | |
| 		dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_DIAG_PER_PORT;
 | |
| 	MLX4_GET(field, outbox, QUERY_DEV_CAP_FW_REASSIGN_MAC);
 | |
| 	if (field & 1<<6)
 | |
| 		dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_REASSIGN_MAC_EN;
 | |
| 	MLX4_GET(field, outbox, QUERY_DEV_CAP_VXLAN);
 | |
| 	if (field & 1<<3)
 | |
| 		dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_VXLAN_OFFLOADS;
 | |
| 	if (field & (1 << 5))
 | |
| 		dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_ETS_CFG;
 | |
| 	MLX4_GET(dev_cap->max_icm_sz, outbox,
 | |
| 		 QUERY_DEV_CAP_MAX_ICM_SZ_OFFSET);
 | |
| 	if (dev_cap->flags & MLX4_DEV_CAP_FLAG_COUNTERS)
 | |
| 		MLX4_GET(dev_cap->max_counters, outbox,
 | |
| 			 QUERY_DEV_CAP_MAX_COUNTERS_OFFSET);
 | |
| 
 | |
| 	MLX4_GET(field32, outbox,
 | |
| 		 QUERY_DEV_CAP_MAD_DEMUX_OFFSET);
 | |
| 	if (field32 & (1 << 0))
 | |
| 		dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_MAD_DEMUX;
 | |
| 
 | |
| 	MLX4_GET(dev_cap->dmfs_high_rate_qpn_base, outbox,
 | |
| 		 QUERY_DEV_CAP_DMFS_HIGH_RATE_QPN_BASE_OFFSET);
 | |
| 	dev_cap->dmfs_high_rate_qpn_base &= MGM_QPN_MASK;
 | |
| 	MLX4_GET(dev_cap->dmfs_high_rate_qpn_range, outbox,
 | |
| 		 QUERY_DEV_CAP_DMFS_HIGH_RATE_QPN_RANGE_OFFSET);
 | |
| 	dev_cap->dmfs_high_rate_qpn_range &= MGM_QPN_MASK;
 | |
| 
 | |
| 	MLX4_GET(size, outbox, QUERY_DEV_CAP_QP_RATE_LIMIT_NUM_OFFSET);
 | |
| 	dev_cap->rl_caps.num_rates = size;
 | |
| 	if (dev_cap->rl_caps.num_rates) {
 | |
| 		dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_QP_RATE_LIMIT;
 | |
| 		MLX4_GET(size, outbox, QUERY_DEV_CAP_QP_RATE_LIMIT_MAX_OFFSET);
 | |
| 		dev_cap->rl_caps.max_val  = size & 0xfff;
 | |
| 		dev_cap->rl_caps.max_unit = size >> 14;
 | |
| 		MLX4_GET(size, outbox, QUERY_DEV_CAP_QP_RATE_LIMIT_MIN_OFFSET);
 | |
| 		dev_cap->rl_caps.min_val  = size & 0xfff;
 | |
| 		dev_cap->rl_caps.min_unit = size >> 14;
 | |
| 	}
 | |
| 
 | |
| 	MLX4_GET(dev_cap->health_buffer_addrs, outbox,
 | |
| 		 QUERY_DEV_CAP_HEALTH_BUFFER_ADDRESS_OFFSET);
 | |
| 
 | |
| 	MLX4_GET(field32, outbox, QUERY_DEV_CAP_EXT_2_FLAGS_OFFSET);
 | |
| 	if (field32 & (1 << 16))
 | |
| 		dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_UPDATE_QP;
 | |
| 	if (field32 & (1 << 18))
 | |
| 		dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_UPDATE_QP_SRC_CHECK_LB;
 | |
| 	if (field32 & (1 << 19))
 | |
| 		dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_LB_SRC_CHK;
 | |
| 	if (field32 & (1 << 26))
 | |
| 		dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_VLAN_CONTROL;
 | |
| 	if (field32 & (1 << 20))
 | |
| 		dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_FSM;
 | |
| 	if (field32 & (1 << 21))
 | |
| 		dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_80_VFS;
 | |
| 	if (field32 & (1 << 23))
 | |
| 		dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_SW_CQ_INIT;
 | |
| 
 | |
| 	for (i = 1; i <= dev_cap->num_ports; i++) {
 | |
| 		err = mlx4_QUERY_PORT(dev, i, dev_cap->port_cap + i);
 | |
| 		if (err)
 | |
| 			goto out;
 | |
| 	}
 | |
| 
 | |
| 	/*
 | |
| 	 * Each UAR has 4 EQ doorbells; so if a UAR is reserved, then
 | |
| 	 * we can't use any EQs whose doorbell falls on that page,
 | |
| 	 * even if the EQ itself isn't reserved.
 | |
| 	 */
 | |
| 	if (dev_cap->num_sys_eqs == 0)
 | |
| 		dev_cap->reserved_eqs = max(dev_cap->reserved_uars * 4,
 | |
| 					    dev_cap->reserved_eqs);
 | |
| 	else
 | |
| 		dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_SYS_EQS;
 | |
| 
 | |
| out:
 | |
| 	mlx4_free_cmd_mailbox(dev, mailbox);
 | |
| 	return err;
 | |
| }
 | |
| 
 | |
| void mlx4_dev_cap_dump(struct mlx4_dev *dev, struct mlx4_dev_cap *dev_cap)
 | |
| {
 | |
| 	if (dev_cap->bf_reg_size > 0)
 | |
| 		mlx4_dbg(dev, "BlueFlame available (reg size %d, regs/page %d)\n",
 | |
| 			 dev_cap->bf_reg_size, dev_cap->bf_regs_per_page);
 | |
| 	else
 | |
| 		mlx4_dbg(dev, "BlueFlame not available\n");
 | |
| 
 | |
| 	mlx4_dbg(dev, "Base MM extensions: flags %08x, rsvd L_Key %08x\n",
 | |
| 		 dev_cap->bmme_flags, dev_cap->reserved_lkey);
 | |
| 	mlx4_dbg(dev, "Max ICM size %lld MB\n",
 | |
| 		 (unsigned long long) dev_cap->max_icm_sz >> 20);
 | |
| 	mlx4_dbg(dev, "Max QPs: %d, reserved QPs: %d, entry size: %d\n",
 | |
| 		 dev_cap->max_qps, dev_cap->reserved_qps, dev_cap->qpc_entry_sz);
 | |
| 	mlx4_dbg(dev, "Max SRQs: %d, reserved SRQs: %d, entry size: %d\n",
 | |
| 		 dev_cap->max_srqs, dev_cap->reserved_srqs, dev_cap->srq_entry_sz);
 | |
| 	mlx4_dbg(dev, "Max CQs: %d, reserved CQs: %d, entry size: %d\n",
 | |
| 		 dev_cap->max_cqs, dev_cap->reserved_cqs, dev_cap->cqc_entry_sz);
 | |
| 	mlx4_dbg(dev, "Num sys EQs: %d, max EQs: %d, reserved EQs: %d, entry size: %d\n",
 | |
| 		 dev_cap->num_sys_eqs, dev_cap->max_eqs, dev_cap->reserved_eqs,
 | |
| 		 dev_cap->eqc_entry_sz);
 | |
| 	mlx4_dbg(dev, "reserved MPTs: %d, reserved MTTs: %d\n",
 | |
| 		 dev_cap->reserved_mrws, dev_cap->reserved_mtts);
 | |
| 	mlx4_dbg(dev, "Max PDs: %d, reserved PDs: %d, reserved UARs: %d\n",
 | |
| 		 dev_cap->max_pds, dev_cap->reserved_pds, dev_cap->reserved_uars);
 | |
| 	mlx4_dbg(dev, "Max QP/MCG: %d, reserved MGMs: %d\n",
 | |
| 		 dev_cap->max_pds, dev_cap->reserved_mgms);
 | |
| 	mlx4_dbg(dev, "Max CQEs: %d, max WQEs: %d, max SRQ WQEs: %d\n",
 | |
| 		 dev_cap->max_cq_sz, dev_cap->max_qp_sz, dev_cap->max_srq_sz);
 | |
| 	mlx4_dbg(dev, "Local CA ACK delay: %d, max MTU: %d, port width cap: %d\n",
 | |
| 		 dev_cap->local_ca_ack_delay, 128 << dev_cap->port_cap[1].ib_mtu,
 | |
| 		 dev_cap->port_cap[1].max_port_width);
 | |
| 	mlx4_dbg(dev, "Max SQ desc size: %d, max SQ S/G: %d\n",
 | |
| 		 dev_cap->max_sq_desc_sz, dev_cap->max_sq_sg);
 | |
| 	mlx4_dbg(dev, "Max RQ desc size: %d, max RQ S/G: %d\n",
 | |
| 		 dev_cap->max_rq_desc_sz, dev_cap->max_rq_sg);
 | |
| 	mlx4_dbg(dev, "Max GSO size: %d\n", dev_cap->max_gso_sz);
 | |
| 	mlx4_dbg(dev, "Max counters: %d\n", dev_cap->max_counters);
 | |
| 	mlx4_dbg(dev, "Max RSS Table size: %d\n", dev_cap->max_rss_tbl_sz);
 | |
| 	mlx4_dbg(dev, "DMFS high rate steer QPn base: %d\n",
 | |
| 		 dev_cap->dmfs_high_rate_qpn_base);
 | |
| 	mlx4_dbg(dev, "DMFS high rate steer QPn range: %d\n",
 | |
| 		 dev_cap->dmfs_high_rate_qpn_range);
 | |
| 
 | |
| 	if (dev_cap->flags2 & MLX4_DEV_CAP_FLAG2_QP_RATE_LIMIT) {
 | |
| 		struct mlx4_rate_limit_caps *rl_caps = &dev_cap->rl_caps;
 | |
| 
 | |
| 		mlx4_dbg(dev, "QP Rate-Limit: #rates %d, unit/val max %d/%d, min %d/%d\n",
 | |
| 			 rl_caps->num_rates, rl_caps->max_unit, rl_caps->max_val,
 | |
| 			 rl_caps->min_unit, rl_caps->min_val);
 | |
| 	}
 | |
| 
 | |
| 	dump_dev_cap_flags(dev, dev_cap->flags);
 | |
| 	dump_dev_cap_flags2(dev, dev_cap->flags2);
 | |
| }
 | |
| 
 | |
| int mlx4_QUERY_PORT(struct mlx4_dev *dev, int port, struct mlx4_port_cap *port_cap)
 | |
| {
 | |
| 	struct mlx4_cmd_mailbox *mailbox;
 | |
| 	u32 *outbox;
 | |
| 	u8 field;
 | |
| 	u32 field32;
 | |
| 	int err;
 | |
| 
 | |
| 	mailbox = mlx4_alloc_cmd_mailbox(dev);
 | |
| 	if (IS_ERR(mailbox))
 | |
| 		return PTR_ERR(mailbox);
 | |
| 	outbox = mailbox->buf;
 | |
| 
 | |
| 	if (dev->flags & MLX4_FLAG_OLD_PORT_CMDS) {
 | |
| 		err = mlx4_cmd_box(dev, 0, mailbox->dma, 0, 0, MLX4_CMD_QUERY_DEV_CAP,
 | |
| 				   MLX4_CMD_TIME_CLASS_A,
 | |
| 				   MLX4_CMD_NATIVE);
 | |
| 
 | |
| 		if (err)
 | |
| 			goto out;
 | |
| 
 | |
| 		MLX4_GET(field, outbox, QUERY_DEV_CAP_VL_PORT_OFFSET);
 | |
| 		port_cap->max_vl	   = field >> 4;
 | |
| 		MLX4_GET(field, outbox, QUERY_DEV_CAP_MTU_WIDTH_OFFSET);
 | |
| 		port_cap->ib_mtu	   = field >> 4;
 | |
| 		port_cap->max_port_width = field & 0xf;
 | |
| 		MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_GID_OFFSET);
 | |
| 		port_cap->max_gids	   = 1 << (field & 0xf);
 | |
| 		MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_PKEY_OFFSET);
 | |
| 		port_cap->max_pkeys	   = 1 << (field & 0xf);
 | |
| 	} else {
 | |
| #define QUERY_PORT_SUPPORTED_TYPE_OFFSET	0x00
 | |
| #define QUERY_PORT_MTU_OFFSET			0x01
 | |
| #define QUERY_PORT_ETH_MTU_OFFSET		0x02
 | |
| #define QUERY_PORT_WIDTH_OFFSET			0x06
 | |
| #define QUERY_PORT_MAX_GID_PKEY_OFFSET		0x07
 | |
| #define QUERY_PORT_MAX_MACVLAN_OFFSET		0x0a
 | |
| #define QUERY_PORT_MAX_VL_OFFSET		0x0b
 | |
| #define QUERY_PORT_MAC_OFFSET			0x10
 | |
| #define QUERY_PORT_TRANS_VENDOR_OFFSET		0x18
 | |
| #define QUERY_PORT_WAVELENGTH_OFFSET		0x1c
 | |
| #define QUERY_PORT_TRANS_CODE_OFFSET		0x20
 | |
| 
 | |
| 		err = mlx4_cmd_box(dev, 0, mailbox->dma, port, 0, MLX4_CMD_QUERY_PORT,
 | |
| 				   MLX4_CMD_TIME_CLASS_B, MLX4_CMD_NATIVE);
 | |
| 		if (err)
 | |
| 			goto out;
 | |
| 
 | |
| 		MLX4_GET(field, outbox, QUERY_PORT_SUPPORTED_TYPE_OFFSET);
 | |
| 		port_cap->link_state = (field & 0x80) >> 7;
 | |
| 		port_cap->supported_port_types = field & 3;
 | |
| 		port_cap->suggested_type = (field >> 3) & 1;
 | |
| 		port_cap->default_sense = (field >> 4) & 1;
 | |
| 		port_cap->dmfs_optimized_state = (field >> 5) & 1;
 | |
| 		MLX4_GET(field, outbox, QUERY_PORT_MTU_OFFSET);
 | |
| 		port_cap->ib_mtu	   = field & 0xf;
 | |
| 		MLX4_GET(field, outbox, QUERY_PORT_WIDTH_OFFSET);
 | |
| 		port_cap->max_port_width = field & 0xf;
 | |
| 		MLX4_GET(field, outbox, QUERY_PORT_MAX_GID_PKEY_OFFSET);
 | |
| 		port_cap->max_gids	   = 1 << (field >> 4);
 | |
| 		port_cap->max_pkeys	   = 1 << (field & 0xf);
 | |
| 		MLX4_GET(field, outbox, QUERY_PORT_MAX_VL_OFFSET);
 | |
| 		port_cap->max_vl	   = field & 0xf;
 | |
| 		port_cap->max_tc_eth	   = field >> 4;
 | |
| 		MLX4_GET(field, outbox, QUERY_PORT_MAX_MACVLAN_OFFSET);
 | |
| 		port_cap->log_max_macs  = field & 0xf;
 | |
| 		port_cap->log_max_vlans = field >> 4;
 | |
| 		MLX4_GET(port_cap->eth_mtu, outbox, QUERY_PORT_ETH_MTU_OFFSET);
 | |
| 		MLX4_GET(port_cap->def_mac, outbox, QUERY_PORT_MAC_OFFSET);
 | |
| 		MLX4_GET(field32, outbox, QUERY_PORT_TRANS_VENDOR_OFFSET);
 | |
| 		port_cap->trans_type = field32 >> 24;
 | |
| 		port_cap->vendor_oui = field32 & 0xffffff;
 | |
| 		MLX4_GET(port_cap->wavelength, outbox, QUERY_PORT_WAVELENGTH_OFFSET);
 | |
| 		MLX4_GET(port_cap->trans_code, outbox, QUERY_PORT_TRANS_CODE_OFFSET);
 | |
| 	}
 | |
| 
 | |
| out:
 | |
| 	mlx4_free_cmd_mailbox(dev, mailbox);
 | |
| 	return err;
 | |
| }
 | |
| 
 | |
| #define DEV_CAP_EXT_2_FLAG_PFC_COUNTERS	(1 << 28)
 | |
| #define DEV_CAP_EXT_2_FLAG_VLAN_CONTROL (1 << 26)
 | |
| #define DEV_CAP_EXT_2_FLAG_80_VFS	(1 << 21)
 | |
| #define DEV_CAP_EXT_2_FLAG_FSM		(1 << 20)
 | |
| 
 | |
| int mlx4_QUERY_DEV_CAP_wrapper(struct mlx4_dev *dev, int slave,
 | |
| 			       struct mlx4_vhcr *vhcr,
 | |
| 			       struct mlx4_cmd_mailbox *inbox,
 | |
| 			       struct mlx4_cmd_mailbox *outbox,
 | |
| 			       struct mlx4_cmd_info *cmd)
 | |
| {
 | |
| 	u64	flags;
 | |
| 	int	err = 0;
 | |
| 	u8	field;
 | |
| 	u16	field16;
 | |
| 	u32	bmme_flags, field32;
 | |
| 	int	real_port;
 | |
| 	int	slave_port;
 | |
| 	int	first_port;
 | |
| 	struct mlx4_active_ports actv_ports;
 | |
| 
 | |
| 	err = mlx4_cmd_box(dev, 0, outbox->dma, 0, 0, MLX4_CMD_QUERY_DEV_CAP,
 | |
| 			   MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE);
 | |
| 	if (err)
 | |
| 		return err;
 | |
| 
 | |
| 	disable_unsupported_roce_caps(outbox->buf);
 | |
| 	/* add port mng change event capability and disable mw type 1
 | |
| 	 * unconditionally to slaves
 | |
| 	 */
 | |
| 	MLX4_GET(flags, outbox->buf, QUERY_DEV_CAP_EXT_FLAGS_OFFSET);
 | |
| 	flags |= MLX4_DEV_CAP_FLAG_PORT_MNG_CHG_EV;
 | |
| 	flags &= ~MLX4_DEV_CAP_FLAG_MEM_WINDOW;
 | |
| 	actv_ports = mlx4_get_active_ports(dev, slave);
 | |
| 	first_port = find_first_bit(actv_ports.ports, dev->caps.num_ports);
 | |
| 	for (slave_port = 0, real_port = first_port;
 | |
| 	     real_port < first_port +
 | |
| 	     bitmap_weight(actv_ports.ports, dev->caps.num_ports);
 | |
| 	     ++real_port, ++slave_port) {
 | |
| 		if (flags & (MLX4_DEV_CAP_FLAG_WOL_PORT1 << real_port))
 | |
| 			flags |= MLX4_DEV_CAP_FLAG_WOL_PORT1 << slave_port;
 | |
| 		else
 | |
| 			flags &= ~(MLX4_DEV_CAP_FLAG_WOL_PORT1 << slave_port);
 | |
| 	}
 | |
| 	for (; slave_port < dev->caps.num_ports; ++slave_port)
 | |
| 		flags &= ~(MLX4_DEV_CAP_FLAG_WOL_PORT1 << slave_port);
 | |
| 
 | |
| 	/* Not exposing RSS IP fragments to guests */
 | |
| 	flags &= ~MLX4_DEV_CAP_FLAG_RSS_IP_FRAG;
 | |
| 	MLX4_PUT(outbox->buf, flags, QUERY_DEV_CAP_EXT_FLAGS_OFFSET);
 | |
| 
 | |
| 	MLX4_GET(field, outbox->buf, QUERY_DEV_CAP_VL_PORT_OFFSET);
 | |
| 	field &= ~0x0F;
 | |
| 	field |= bitmap_weight(actv_ports.ports, dev->caps.num_ports) & 0x0F;
 | |
| 	MLX4_PUT(outbox->buf, field, QUERY_DEV_CAP_VL_PORT_OFFSET);
 | |
| 
 | |
| 	/* For guests, disable timestamp */
 | |
| 	MLX4_GET(field, outbox->buf, QUERY_DEV_CAP_CQ_TS_SUPPORT_OFFSET);
 | |
| 	field &= 0x7f;
 | |
| 	MLX4_PUT(outbox->buf, field, QUERY_DEV_CAP_CQ_TS_SUPPORT_OFFSET);
 | |
| 
 | |
| 	/* For guests, disable vxlan tunneling and QoS support */
 | |
| 	MLX4_GET(field, outbox->buf, QUERY_DEV_CAP_VXLAN);
 | |
| 	field &= 0xd7;
 | |
| 	MLX4_PUT(outbox->buf, field, QUERY_DEV_CAP_VXLAN);
 | |
| 
 | |
| 	/* For guests, disable port BEACON */
 | |
| 	MLX4_GET(field, outbox->buf, QUERY_DEV_CAP_PORT_BEACON_OFFSET);
 | |
| 	field &= 0x7f;
 | |
| 	MLX4_PUT(outbox->buf, field, QUERY_DEV_CAP_PORT_BEACON_OFFSET);
 | |
| 
 | |
| 	/* For guests, report Blueflame disabled */
 | |
| 	MLX4_GET(field, outbox->buf, QUERY_DEV_CAP_BF_OFFSET);
 | |
| 	field &= 0x7f;
 | |
| 	MLX4_PUT(outbox->buf, field, QUERY_DEV_CAP_BF_OFFSET);
 | |
| 
 | |
| 	/* For guests, disable mw type 2 and port remap*/
 | |
| 	MLX4_GET(bmme_flags, outbox->buf, QUERY_DEV_CAP_BMME_FLAGS_OFFSET);
 | |
| 	bmme_flags &= ~MLX4_BMME_FLAG_TYPE_2_WIN;
 | |
| 	bmme_flags &= ~MLX4_FLAG_PORT_REMAP;
 | |
| 	MLX4_PUT(outbox->buf, bmme_flags, QUERY_DEV_CAP_BMME_FLAGS_OFFSET);
 | |
| 
 | |
| 	/* turn off device-managed steering capability if not enabled */
 | |
| 	if (dev->caps.steering_mode != MLX4_STEERING_MODE_DEVICE_MANAGED) {
 | |
| 		MLX4_GET(field, outbox->buf,
 | |
| 			 QUERY_DEV_CAP_FLOW_STEERING_RANGE_EN_OFFSET);
 | |
| 		field &= 0x7f;
 | |
| 		MLX4_PUT(outbox->buf, field,
 | |
| 			 QUERY_DEV_CAP_FLOW_STEERING_RANGE_EN_OFFSET);
 | |
| 	}
 | |
| 
 | |
| 	/* turn off ipoib managed steering for guests */
 | |
| 	MLX4_GET(field, outbox->buf, QUERY_DEV_CAP_FLOW_STEERING_IPOIB_OFFSET);
 | |
| 	field &= ~0x80;
 | |
| 	MLX4_PUT(outbox->buf, field, QUERY_DEV_CAP_FLOW_STEERING_IPOIB_OFFSET);
 | |
| 
 | |
| 	/* turn off host side virt features (VST, FSM, etc) for guests */
 | |
| 	MLX4_GET(field32, outbox->buf, QUERY_DEV_CAP_EXT_2_FLAGS_OFFSET);
 | |
| 	field32 &= ~(DEV_CAP_EXT_2_FLAG_VLAN_CONTROL | DEV_CAP_EXT_2_FLAG_80_VFS |
 | |
| 		     DEV_CAP_EXT_2_FLAG_FSM | DEV_CAP_EXT_2_FLAG_PFC_COUNTERS);
 | |
| 	MLX4_PUT(outbox->buf, field32, QUERY_DEV_CAP_EXT_2_FLAGS_OFFSET);
 | |
| 
 | |
| 	/* turn off QCN for guests */
 | |
| 	MLX4_GET(field, outbox->buf, QUERY_DEV_CAP_ECN_QCN_VER_OFFSET);
 | |
| 	field &= 0xfe;
 | |
| 	MLX4_PUT(outbox->buf, field, QUERY_DEV_CAP_ECN_QCN_VER_OFFSET);
 | |
| 
 | |
| 	/* turn off QP max-rate limiting for guests */
 | |
| 	field16 = 0;
 | |
| 	MLX4_PUT(outbox->buf, field16, QUERY_DEV_CAP_QP_RATE_LIMIT_NUM_OFFSET);
 | |
| 
 | |
| 	/* turn off QoS per VF support for guests */
 | |
| 	MLX4_GET(field, outbox->buf, QUERY_DEV_CAP_CQ_EQ_CACHE_LINE_STRIDE);
 | |
| 	field &= 0xef;
 | |
| 	MLX4_PUT(outbox->buf, field, QUERY_DEV_CAP_CQ_EQ_CACHE_LINE_STRIDE);
 | |
| 
 | |
| 	/* turn off ignore FCS feature for guests */
 | |
| 	MLX4_GET(field, outbox->buf, QUERY_DEV_CAP_CONFIG_DEV_OFFSET);
 | |
| 	field &= 0xfb;
 | |
| 	MLX4_PUT(outbox->buf, field, QUERY_DEV_CAP_CONFIG_DEV_OFFSET);
 | |
| 
 | |
| 	return 0;
 | |
| }
 | |
| 
 | |
| static void disable_unsupported_roce_caps(void *buf)
 | |
| {
 | |
| 	u32 flags;
 | |
| 
 | |
| 	MLX4_GET(flags, buf, QUERY_DEV_CAP_EXT_FLAGS_OFFSET);
 | |
| 	flags &= ~(1UL << 31);
 | |
| 	MLX4_PUT(buf, flags, QUERY_DEV_CAP_EXT_FLAGS_OFFSET);
 | |
| 	MLX4_GET(flags, buf, QUERY_DEV_CAP_EXT_2_FLAGS_OFFSET);
 | |
| 	flags &= ~(1UL << 24);
 | |
| 	MLX4_PUT(buf, flags, QUERY_DEV_CAP_EXT_2_FLAGS_OFFSET);
 | |
| 	MLX4_GET(flags, buf, QUERY_DEV_CAP_BMME_FLAGS_OFFSET);
 | |
| 	flags &= ~(MLX4_FLAG_ROCE_V1_V2);
 | |
| 	MLX4_PUT(buf, flags, QUERY_DEV_CAP_BMME_FLAGS_OFFSET);
 | |
| }
 | |
| 
 | |
| int mlx4_QUERY_PORT_wrapper(struct mlx4_dev *dev, int slave,
 | |
| 			    struct mlx4_vhcr *vhcr,
 | |
| 			    struct mlx4_cmd_mailbox *inbox,
 | |
| 			    struct mlx4_cmd_mailbox *outbox,
 | |
| 			    struct mlx4_cmd_info *cmd)
 | |
| {
 | |
| 	struct mlx4_priv *priv = mlx4_priv(dev);
 | |
| 	u64 def_mac;
 | |
| 	u8 port_type;
 | |
| 	u16 short_field;
 | |
| 	int err;
 | |
| 	int admin_link_state;
 | |
| 	int port = mlx4_slave_convert_port(dev, slave,
 | |
| 					   vhcr->in_modifier & 0xFF);
 | |
| 
 | |
| #define MLX4_VF_PORT_NO_LINK_SENSE_MASK	0xE0
 | |
| #define MLX4_PORT_LINK_UP_MASK		0x80
 | |
| #define QUERY_PORT_CUR_MAX_PKEY_OFFSET	0x0c
 | |
| #define QUERY_PORT_CUR_MAX_GID_OFFSET	0x0e
 | |
| 
 | |
| 	if (port < 0)
 | |
| 		return -EINVAL;
 | |
| 
 | |
| 	/* Protect against untrusted guests: enforce that this is the
 | |
| 	 * QUERY_PORT general query.
 | |
| 	 */
 | |
| 	if (vhcr->op_modifier || vhcr->in_modifier & ~0xFF)
 | |
| 		return -EINVAL;
 | |
| 
 | |
| 	vhcr->in_modifier = port;
 | |
| 
 | |
| 	err = mlx4_cmd_box(dev, 0, outbox->dma, vhcr->in_modifier, 0,
 | |
| 			   MLX4_CMD_QUERY_PORT, MLX4_CMD_TIME_CLASS_B,
 | |
| 			   MLX4_CMD_NATIVE);
 | |
| 
 | |
| 	if (!err && dev->caps.function != slave) {
 | |
| 		def_mac = priv->mfunc.master.vf_oper[slave].vport[vhcr->in_modifier].state.mac;
 | |
| 		MLX4_PUT(outbox->buf, def_mac, QUERY_PORT_MAC_OFFSET);
 | |
| 
 | |
| 		/* get port type - currently only eth is enabled */
 | |
| 		MLX4_GET(port_type, outbox->buf,
 | |
| 			 QUERY_PORT_SUPPORTED_TYPE_OFFSET);
 | |
| 
 | |
| 		/* No link sensing allowed */
 | |
| 		port_type &= MLX4_VF_PORT_NO_LINK_SENSE_MASK;
 | |
| 		/* set port type to currently operating port type */
 | |
| 		port_type |= (dev->caps.port_type[vhcr->in_modifier] & 0x3);
 | |
| 
 | |
| 		admin_link_state = priv->mfunc.master.vf_oper[slave].vport[vhcr->in_modifier].state.link_state;
 | |
| 		if (IFLA_VF_LINK_STATE_ENABLE == admin_link_state)
 | |
| 			port_type |= MLX4_PORT_LINK_UP_MASK;
 | |
| 		else if (IFLA_VF_LINK_STATE_DISABLE == admin_link_state)
 | |
| 			port_type &= ~MLX4_PORT_LINK_UP_MASK;
 | |
| 		else if (IFLA_VF_LINK_STATE_AUTO == admin_link_state && mlx4_is_bonded(dev)) {
 | |
| 			int other_port = (port == 1) ? 2 : 1;
 | |
| 			struct mlx4_port_cap port_cap;
 | |
| 
 | |
| 			err = mlx4_QUERY_PORT(dev, other_port, &port_cap);
 | |
| 			if (err)
 | |
| 				goto out;
 | |
| 			port_type |= (port_cap.link_state << 7);
 | |
| 		}
 | |
| 
 | |
| 		MLX4_PUT(outbox->buf, port_type,
 | |
| 			 QUERY_PORT_SUPPORTED_TYPE_OFFSET);
 | |
| 
 | |
| 		if (dev->caps.port_type[vhcr->in_modifier] == MLX4_PORT_TYPE_ETH)
 | |
| 			short_field = mlx4_get_slave_num_gids(dev, slave, port);
 | |
| 		else
 | |
| 			short_field = 1; /* slave max gids */
 | |
| 		MLX4_PUT(outbox->buf, short_field,
 | |
| 			 QUERY_PORT_CUR_MAX_GID_OFFSET);
 | |
| 
 | |
| 		short_field = dev->caps.pkey_table_len[vhcr->in_modifier];
 | |
| 		MLX4_PUT(outbox->buf, short_field,
 | |
| 			 QUERY_PORT_CUR_MAX_PKEY_OFFSET);
 | |
| 	}
 | |
| out:
 | |
| 	return err;
 | |
| }
 | |
| 
 | |
| int mlx4_get_slave_pkey_gid_tbl_len(struct mlx4_dev *dev, u8 port,
 | |
| 				    int *gid_tbl_len, int *pkey_tbl_len)
 | |
| {
 | |
| 	struct mlx4_cmd_mailbox *mailbox;
 | |
| 	u32			*outbox;
 | |
| 	u16			field;
 | |
| 	int			err;
 | |
| 
 | |
| 	mailbox = mlx4_alloc_cmd_mailbox(dev);
 | |
| 	if (IS_ERR(mailbox))
 | |
| 		return PTR_ERR(mailbox);
 | |
| 
 | |
| 	err =  mlx4_cmd_box(dev, 0, mailbox->dma, port, 0,
 | |
| 			    MLX4_CMD_QUERY_PORT, MLX4_CMD_TIME_CLASS_B,
 | |
| 			    MLX4_CMD_WRAPPED);
 | |
| 	if (err)
 | |
| 		goto out;
 | |
| 
 | |
| 	outbox = mailbox->buf;
 | |
| 
 | |
| 	MLX4_GET(field, outbox, QUERY_PORT_CUR_MAX_GID_OFFSET);
 | |
| 	*gid_tbl_len = field;
 | |
| 
 | |
| 	MLX4_GET(field, outbox, QUERY_PORT_CUR_MAX_PKEY_OFFSET);
 | |
| 	*pkey_tbl_len = field;
 | |
| 
 | |
| out:
 | |
| 	mlx4_free_cmd_mailbox(dev, mailbox);
 | |
| 	return err;
 | |
| }
 | |
| EXPORT_SYMBOL(mlx4_get_slave_pkey_gid_tbl_len);
 | |
| 
 | |
| int mlx4_map_cmd(struct mlx4_dev *dev, u16 op, struct mlx4_icm *icm, u64 virt)
 | |
| {
 | |
| 	struct mlx4_cmd_mailbox *mailbox;
 | |
| 	struct mlx4_icm_iter iter;
 | |
| 	__be64 *pages;
 | |
| 	int lg;
 | |
| 	int nent = 0;
 | |
| 	int i;
 | |
| 	int err = 0;
 | |
| 	int ts = 0, tc = 0;
 | |
| 
 | |
| 	mailbox = mlx4_alloc_cmd_mailbox(dev);
 | |
| 	if (IS_ERR(mailbox))
 | |
| 		return PTR_ERR(mailbox);
 | |
| 	pages = mailbox->buf;
 | |
| 
 | |
| 	for (mlx4_icm_first(icm, &iter);
 | |
| 	     !mlx4_icm_last(&iter);
 | |
| 	     mlx4_icm_next(&iter)) {
 | |
| 		/*
 | |
| 		 * We have to pass pages that are aligned to their
 | |
| 		 * size, so find the least significant 1 in the
 | |
| 		 * address or size and use that as our log2 size.
 | |
| 		 */
 | |
| 		lg = ffs(mlx4_icm_addr(&iter) | mlx4_icm_size(&iter)) - 1;
 | |
| 		if (lg < MLX4_ICM_PAGE_SHIFT) {
 | |
| 			mlx4_warn(dev, "Got FW area not aligned to %d (%llx/%lx)\n",
 | |
| 				  MLX4_ICM_PAGE_SIZE,
 | |
| 				  (unsigned long long) mlx4_icm_addr(&iter),
 | |
| 				  mlx4_icm_size(&iter));
 | |
| 			err = -EINVAL;
 | |
| 			goto out;
 | |
| 		}
 | |
| 
 | |
| 		for (i = 0; i < mlx4_icm_size(&iter) >> lg; ++i) {
 | |
| 			if (virt != -1) {
 | |
| 				pages[nent * 2] = cpu_to_be64(virt);
 | |
| 				virt += 1ULL << lg;
 | |
| 			}
 | |
| 
 | |
| 			pages[nent * 2 + 1] =
 | |
| 				cpu_to_be64((mlx4_icm_addr(&iter) + (i << lg)) |
 | |
| 					    (lg - MLX4_ICM_PAGE_SHIFT));
 | |
| 			ts += 1 << (lg - 10);
 | |
| 			++tc;
 | |
| 
 | |
| 			if (++nent == MLX4_MAILBOX_SIZE / 16) {
 | |
| 				err = mlx4_cmd(dev, mailbox->dma, nent, 0, op,
 | |
| 						MLX4_CMD_TIME_CLASS_B,
 | |
| 						MLX4_CMD_NATIVE);
 | |
| 				if (err)
 | |
| 					goto out;
 | |
| 				nent = 0;
 | |
| 			}
 | |
| 		}
 | |
| 	}
 | |
| 
 | |
| 	if (nent)
 | |
| 		err = mlx4_cmd(dev, mailbox->dma, nent, 0, op,
 | |
| 			       MLX4_CMD_TIME_CLASS_B, MLX4_CMD_NATIVE);
 | |
| 	if (err)
 | |
| 		goto out;
 | |
| 
 | |
| 	switch (op) {
 | |
| 	case MLX4_CMD_MAP_FA:
 | |
| 		mlx4_dbg(dev, "Mapped %d chunks/%d KB for FW\n", tc, ts);
 | |
| 		break;
 | |
| 	case MLX4_CMD_MAP_ICM_AUX:
 | |
| 		mlx4_dbg(dev, "Mapped %d chunks/%d KB for ICM aux\n", tc, ts);
 | |
| 		break;
 | |
| 	case MLX4_CMD_MAP_ICM:
 | |
| 		mlx4_dbg(dev, "Mapped %d chunks/%d KB at %llx for ICM\n",
 | |
| 			 tc, ts, (unsigned long long) virt - (ts << 10));
 | |
| 		break;
 | |
| 	}
 | |
| 
 | |
| out:
 | |
| 	mlx4_free_cmd_mailbox(dev, mailbox);
 | |
| 	return err;
 | |
| }
 | |
| 
 | |
| int mlx4_MAP_FA(struct mlx4_dev *dev, struct mlx4_icm *icm)
 | |
| {
 | |
| 	return mlx4_map_cmd(dev, MLX4_CMD_MAP_FA, icm, -1);
 | |
| }
 | |
| 
 | |
| int mlx4_UNMAP_FA(struct mlx4_dev *dev)
 | |
| {
 | |
| 	return mlx4_cmd(dev, 0, 0, 0, MLX4_CMD_UNMAP_FA,
 | |
| 			MLX4_CMD_TIME_CLASS_B, MLX4_CMD_NATIVE);
 | |
| }
 | |
| 
 | |
| 
 | |
| int mlx4_RUN_FW(struct mlx4_dev *dev)
 | |
| {
 | |
| 	return mlx4_cmd(dev, 0, 0, 0, MLX4_CMD_RUN_FW,
 | |
| 			MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE);
 | |
| }
 | |
| 
 | |
| int mlx4_QUERY_FW(struct mlx4_dev *dev)
 | |
| {
 | |
| 	struct mlx4_fw  *fw  = &mlx4_priv(dev)->fw;
 | |
| 	struct mlx4_cmd *cmd = &mlx4_priv(dev)->cmd;
 | |
| 	struct mlx4_cmd_mailbox *mailbox;
 | |
| 	u32 *outbox;
 | |
| 	int err = 0;
 | |
| 	u64 fw_ver;
 | |
| 	u16 cmd_if_rev;
 | |
| 	u8 lg;
 | |
| 
 | |
| #define QUERY_FW_OUT_SIZE             0x100
 | |
| #define QUERY_FW_VER_OFFSET            0x00
 | |
| #define QUERY_FW_PPF_ID		       0x09
 | |
| #define QUERY_FW_CMD_IF_REV_OFFSET     0x0a
 | |
| #define QUERY_FW_MAX_CMD_OFFSET        0x0f
 | |
| #define QUERY_FW_ERR_START_OFFSET      0x30
 | |
| #define QUERY_FW_ERR_SIZE_OFFSET       0x38
 | |
| #define QUERY_FW_ERR_BAR_OFFSET        0x3c
 | |
| 
 | |
| #define QUERY_FW_SIZE_OFFSET           0x00
 | |
| #define QUERY_FW_CLR_INT_BASE_OFFSET   0x20
 | |
| #define QUERY_FW_CLR_INT_BAR_OFFSET    0x28
 | |
| 
 | |
| #define QUERY_FW_COMM_BASE_OFFSET      0x40
 | |
| #define QUERY_FW_COMM_BAR_OFFSET       0x48
 | |
| 
 | |
| #define QUERY_FW_CLOCK_OFFSET	       0x50
 | |
| #define QUERY_FW_CLOCK_BAR	       0x58
 | |
| 
 | |
| 	mailbox = mlx4_alloc_cmd_mailbox(dev);
 | |
| 	if (IS_ERR(mailbox))
 | |
| 		return PTR_ERR(mailbox);
 | |
| 	outbox = mailbox->buf;
 | |
| 
 | |
| 	err = mlx4_cmd_box(dev, 0, mailbox->dma, 0, 0, MLX4_CMD_QUERY_FW,
 | |
| 			    MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE);
 | |
| 	if (err)
 | |
| 		goto out;
 | |
| 
 | |
| 	MLX4_GET(fw_ver, outbox, QUERY_FW_VER_OFFSET);
 | |
| 	/*
 | |
| 	 * FW subminor version is at more significant bits than minor
 | |
| 	 * version, so swap here.
 | |
| 	 */
 | |
| 	dev->caps.fw_ver = (fw_ver & 0xffff00000000ull) |
 | |
| 		((fw_ver & 0xffff0000ull) >> 16) |
 | |
| 		((fw_ver & 0x0000ffffull) << 16);
 | |
| 
 | |
| 	MLX4_GET(lg, outbox, QUERY_FW_PPF_ID);
 | |
| 	dev->caps.function = lg;
 | |
| 
 | |
| 	if (mlx4_is_slave(dev))
 | |
| 		goto out;
 | |
| 
 | |
| 
 | |
| 	MLX4_GET(cmd_if_rev, outbox, QUERY_FW_CMD_IF_REV_OFFSET);
 | |
| 	if (cmd_if_rev < MLX4_COMMAND_INTERFACE_MIN_REV ||
 | |
| 	    cmd_if_rev > MLX4_COMMAND_INTERFACE_MAX_REV) {
 | |
| 		mlx4_err(dev, "Installed FW has unsupported command interface revision %d\n",
 | |
| 			 cmd_if_rev);
 | |
| 		mlx4_err(dev, "(Installed FW version is %d.%d.%03d)\n",
 | |
| 			 (int) (dev->caps.fw_ver >> 32),
 | |
| 			 (int) (dev->caps.fw_ver >> 16) & 0xffff,
 | |
| 			 (int) dev->caps.fw_ver & 0xffff);
 | |
| 		mlx4_err(dev, "This driver version supports only revisions %d to %d\n",
 | |
| 			 MLX4_COMMAND_INTERFACE_MIN_REV, MLX4_COMMAND_INTERFACE_MAX_REV);
 | |
| 		err = -ENODEV;
 | |
| 		goto out;
 | |
| 	}
 | |
| 
 | |
| 	if (cmd_if_rev < MLX4_COMMAND_INTERFACE_NEW_PORT_CMDS)
 | |
| 		dev->flags |= MLX4_FLAG_OLD_PORT_CMDS;
 | |
| 
 | |
| 	MLX4_GET(lg, outbox, QUERY_FW_MAX_CMD_OFFSET);
 | |
| 	cmd->max_cmds = 1 << lg;
 | |
| 
 | |
| 	mlx4_dbg(dev, "FW version %d.%d.%03d (cmd intf rev %d), max commands %d\n",
 | |
| 		 (int) (dev->caps.fw_ver >> 32),
 | |
| 		 (int) (dev->caps.fw_ver >> 16) & 0xffff,
 | |
| 		 (int) dev->caps.fw_ver & 0xffff,
 | |
| 		 cmd_if_rev, cmd->max_cmds);
 | |
| 
 | |
| 	MLX4_GET(fw->catas_offset, outbox, QUERY_FW_ERR_START_OFFSET);
 | |
| 	MLX4_GET(fw->catas_size,   outbox, QUERY_FW_ERR_SIZE_OFFSET);
 | |
| 	MLX4_GET(fw->catas_bar,    outbox, QUERY_FW_ERR_BAR_OFFSET);
 | |
| 	fw->catas_bar = (fw->catas_bar >> 6) * 2;
 | |
| 
 | |
| 	mlx4_dbg(dev, "Catastrophic error buffer at 0x%llx, size 0x%x, BAR %d\n",
 | |
| 		 (unsigned long long) fw->catas_offset, fw->catas_size, fw->catas_bar);
 | |
| 
 | |
| 	MLX4_GET(fw->fw_pages,     outbox, QUERY_FW_SIZE_OFFSET);
 | |
| 	MLX4_GET(fw->clr_int_base, outbox, QUERY_FW_CLR_INT_BASE_OFFSET);
 | |
| 	MLX4_GET(fw->clr_int_bar,  outbox, QUERY_FW_CLR_INT_BAR_OFFSET);
 | |
| 	fw->clr_int_bar = (fw->clr_int_bar >> 6) * 2;
 | |
| 
 | |
| 	MLX4_GET(fw->comm_base, outbox, QUERY_FW_COMM_BASE_OFFSET);
 | |
| 	MLX4_GET(fw->comm_bar,  outbox, QUERY_FW_COMM_BAR_OFFSET);
 | |
| 	fw->comm_bar = (fw->comm_bar >> 6) * 2;
 | |
| 	mlx4_dbg(dev, "Communication vector bar:%d offset:0x%llx\n",
 | |
| 		 fw->comm_bar, fw->comm_base);
 | |
| 	mlx4_dbg(dev, "FW size %d KB\n", fw->fw_pages >> 2);
 | |
| 
 | |
| 	MLX4_GET(fw->clock_offset, outbox, QUERY_FW_CLOCK_OFFSET);
 | |
| 	MLX4_GET(fw->clock_bar,    outbox, QUERY_FW_CLOCK_BAR);
 | |
| 	fw->clock_bar = (fw->clock_bar >> 6) * 2;
 | |
| 	mlx4_dbg(dev, "Internal clock bar:%d offset:0x%llx\n",
 | |
| 		 fw->clock_bar, fw->clock_offset);
 | |
| 
 | |
| 	/*
 | |
| 	 * Round up number of system pages needed in case
 | |
| 	 * MLX4_ICM_PAGE_SIZE < PAGE_SIZE.
 | |
| 	 */
 | |
| 	fw->fw_pages =
 | |
| 		ALIGN(fw->fw_pages, PAGE_SIZE / MLX4_ICM_PAGE_SIZE) >>
 | |
| 		(PAGE_SHIFT - MLX4_ICM_PAGE_SHIFT);
 | |
| 
 | |
| 	mlx4_dbg(dev, "Clear int @ %llx, BAR %d\n",
 | |
| 		 (unsigned long long) fw->clr_int_base, fw->clr_int_bar);
 | |
| 
 | |
| out:
 | |
| 	mlx4_free_cmd_mailbox(dev, mailbox);
 | |
| 	return err;
 | |
| }
 | |
| 
 | |
| int mlx4_QUERY_FW_wrapper(struct mlx4_dev *dev, int slave,
 | |
| 			  struct mlx4_vhcr *vhcr,
 | |
| 			  struct mlx4_cmd_mailbox *inbox,
 | |
| 			  struct mlx4_cmd_mailbox *outbox,
 | |
| 			  struct mlx4_cmd_info *cmd)
 | |
| {
 | |
| 	u8 *outbuf;
 | |
| 	int err;
 | |
| 
 | |
| 	outbuf = outbox->buf;
 | |
| 	err = mlx4_cmd_box(dev, 0, outbox->dma, 0, 0, MLX4_CMD_QUERY_FW,
 | |
| 			    MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE);
 | |
| 	if (err)
 | |
| 		return err;
 | |
| 
 | |
| 	/* for slaves, set pci PPF ID to invalid and zero out everything
 | |
| 	 * else except FW version */
 | |
| 	outbuf[0] = outbuf[1] = 0;
 | |
| 	memset(&outbuf[8], 0, QUERY_FW_OUT_SIZE - 8);
 | |
| 	outbuf[QUERY_FW_PPF_ID] = MLX4_INVALID_SLAVE_ID;
 | |
| 
 | |
| 	return 0;
 | |
| }
 | |
| 
 | |
| static void get_board_id(void *vsd, char *board_id)
 | |
| {
 | |
| 	int i;
 | |
| 
 | |
| #define VSD_OFFSET_SIG1		0x00
 | |
| #define VSD_OFFSET_SIG2		0xde
 | |
| #define VSD_OFFSET_MLX_BOARD_ID	0xd0
 | |
| #define VSD_OFFSET_TS_BOARD_ID	0x20
 | |
| 
 | |
| #define VSD_SIGNATURE_TOPSPIN	0x5ad
 | |
| 
 | |
| 	memset(board_id, 0, MLX4_BOARD_ID_LEN);
 | |
| 
 | |
| 	if (be16_to_cpup(vsd + VSD_OFFSET_SIG1) == VSD_SIGNATURE_TOPSPIN &&
 | |
| 	    be16_to_cpup(vsd + VSD_OFFSET_SIG2) == VSD_SIGNATURE_TOPSPIN) {
 | |
| 		strscpy(board_id, vsd + VSD_OFFSET_TS_BOARD_ID, MLX4_BOARD_ID_LEN);
 | |
| 	} else {
 | |
| 		/*
 | |
| 		 * The board ID is a string but the firmware byte
 | |
| 		 * swaps each 4-byte word before passing it back to
 | |
| 		 * us.  Therefore we need to swab it before printing.
 | |
| 		 */
 | |
| 		u32 *bid_u32 = (u32 *)board_id;
 | |
| 
 | |
| 		for (i = 0; i < 4; ++i) {
 | |
| 			u32 *addr;
 | |
| 			u32 val;
 | |
| 
 | |
| 			addr = (u32 *) (vsd + VSD_OFFSET_MLX_BOARD_ID + i * 4);
 | |
| 			val = get_unaligned(addr);
 | |
| 			val = swab32(val);
 | |
| 			put_unaligned(val, &bid_u32[i]);
 | |
| 		}
 | |
| 	}
 | |
| }
 | |
| 
 | |
| int mlx4_QUERY_ADAPTER(struct mlx4_dev *dev, struct mlx4_adapter *adapter)
 | |
| {
 | |
| 	struct mlx4_cmd_mailbox *mailbox;
 | |
| 	u32 *outbox;
 | |
| 	int err;
 | |
| 
 | |
| #define QUERY_ADAPTER_OUT_SIZE             0x100
 | |
| #define QUERY_ADAPTER_INTA_PIN_OFFSET      0x10
 | |
| #define QUERY_ADAPTER_VSD_OFFSET           0x20
 | |
| 
 | |
| 	mailbox = mlx4_alloc_cmd_mailbox(dev);
 | |
| 	if (IS_ERR(mailbox))
 | |
| 		return PTR_ERR(mailbox);
 | |
| 	outbox = mailbox->buf;
 | |
| 
 | |
| 	err = mlx4_cmd_box(dev, 0, mailbox->dma, 0, 0, MLX4_CMD_QUERY_ADAPTER,
 | |
| 			   MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE);
 | |
| 	if (err)
 | |
| 		goto out;
 | |
| 
 | |
| 	MLX4_GET(adapter->inta_pin, outbox,    QUERY_ADAPTER_INTA_PIN_OFFSET);
 | |
| 
 | |
| 	get_board_id(outbox + QUERY_ADAPTER_VSD_OFFSET / 4,
 | |
| 		     adapter->board_id);
 | |
| 
 | |
| out:
 | |
| 	mlx4_free_cmd_mailbox(dev, mailbox);
 | |
| 	return err;
 | |
| }
 | |
| 
 | |
| int mlx4_INIT_HCA(struct mlx4_dev *dev, struct mlx4_init_hca_param *param)
 | |
| {
 | |
| 	struct mlx4_cmd_mailbox *mailbox;
 | |
| 	__be32 *inbox;
 | |
| 	int err;
 | |
| 	static const u8 a0_dmfs_hw_steering[] =  {
 | |
| 		[MLX4_STEERING_DMFS_A0_DEFAULT]		= 0,
 | |
| 		[MLX4_STEERING_DMFS_A0_DYNAMIC]		= 1,
 | |
| 		[MLX4_STEERING_DMFS_A0_STATIC]		= 2,
 | |
| 		[MLX4_STEERING_DMFS_A0_DISABLE]		= 3
 | |
| 	};
 | |
| 
 | |
| #define INIT_HCA_IN_SIZE		 0x200
 | |
| #define INIT_HCA_VERSION_OFFSET		 0x000
 | |
| #define	 INIT_HCA_VERSION		 2
 | |
| #define INIT_HCA_VXLAN_OFFSET		 0x0c
 | |
| #define INIT_HCA_CACHELINE_SZ_OFFSET	 0x0e
 | |
| #define INIT_HCA_FLAGS_OFFSET		 0x014
 | |
| #define INIT_HCA_RECOVERABLE_ERROR_EVENT_OFFSET 0x018
 | |
| #define INIT_HCA_QPC_OFFSET		 0x020
 | |
| #define	 INIT_HCA_QPC_BASE_OFFSET	 (INIT_HCA_QPC_OFFSET + 0x10)
 | |
| #define	 INIT_HCA_LOG_QP_OFFSET		 (INIT_HCA_QPC_OFFSET + 0x17)
 | |
| #define	 INIT_HCA_SRQC_BASE_OFFSET	 (INIT_HCA_QPC_OFFSET + 0x28)
 | |
| #define	 INIT_HCA_LOG_SRQ_OFFSET	 (INIT_HCA_QPC_OFFSET + 0x2f)
 | |
| #define	 INIT_HCA_CQC_BASE_OFFSET	 (INIT_HCA_QPC_OFFSET + 0x30)
 | |
| #define	 INIT_HCA_LOG_CQ_OFFSET		 (INIT_HCA_QPC_OFFSET + 0x37)
 | |
| #define	 INIT_HCA_EQE_CQE_OFFSETS	 (INIT_HCA_QPC_OFFSET + 0x38)
 | |
| #define	 INIT_HCA_EQE_CQE_STRIDE_OFFSET  (INIT_HCA_QPC_OFFSET + 0x3b)
 | |
| #define	 INIT_HCA_ALTC_BASE_OFFSET	 (INIT_HCA_QPC_OFFSET + 0x40)
 | |
| #define	 INIT_HCA_AUXC_BASE_OFFSET	 (INIT_HCA_QPC_OFFSET + 0x50)
 | |
| #define	 INIT_HCA_EQC_BASE_OFFSET	 (INIT_HCA_QPC_OFFSET + 0x60)
 | |
| #define	 INIT_HCA_LOG_EQ_OFFSET		 (INIT_HCA_QPC_OFFSET + 0x67)
 | |
| #define	INIT_HCA_NUM_SYS_EQS_OFFSET	(INIT_HCA_QPC_OFFSET + 0x6a)
 | |
| #define	 INIT_HCA_RDMARC_BASE_OFFSET	 (INIT_HCA_QPC_OFFSET + 0x70)
 | |
| #define	 INIT_HCA_LOG_RD_OFFSET		 (INIT_HCA_QPC_OFFSET + 0x77)
 | |
| #define INIT_HCA_MCAST_OFFSET		 0x0c0
 | |
| #define	 INIT_HCA_MC_BASE_OFFSET	 (INIT_HCA_MCAST_OFFSET + 0x00)
 | |
| #define	 INIT_HCA_LOG_MC_ENTRY_SZ_OFFSET (INIT_HCA_MCAST_OFFSET + 0x13)
 | |
| #define	 INIT_HCA_LOG_MC_HASH_SZ_OFFSET	 (INIT_HCA_MCAST_OFFSET + 0x17)
 | |
| #define  INIT_HCA_UC_STEERING_OFFSET	 (INIT_HCA_MCAST_OFFSET + 0x18)
 | |
| #define	 INIT_HCA_LOG_MC_TABLE_SZ_OFFSET (INIT_HCA_MCAST_OFFSET + 0x1b)
 | |
| #define  INIT_HCA_DEVICE_MANAGED_FLOW_STEERING_EN	0x6
 | |
| #define  INIT_HCA_DRIVER_VERSION_OFFSET   0x140
 | |
| #define  INIT_HCA_DRIVER_VERSION_SZ       0x40
 | |
| #define  INIT_HCA_FS_PARAM_OFFSET         0x1d0
 | |
| #define  INIT_HCA_FS_BASE_OFFSET          (INIT_HCA_FS_PARAM_OFFSET + 0x00)
 | |
| #define  INIT_HCA_FS_LOG_ENTRY_SZ_OFFSET  (INIT_HCA_FS_PARAM_OFFSET + 0x13)
 | |
| #define  INIT_HCA_FS_A0_OFFSET		  (INIT_HCA_FS_PARAM_OFFSET + 0x18)
 | |
| #define  INIT_HCA_FS_LOG_TABLE_SZ_OFFSET  (INIT_HCA_FS_PARAM_OFFSET + 0x1b)
 | |
| #define  INIT_HCA_FS_ETH_BITS_OFFSET      (INIT_HCA_FS_PARAM_OFFSET + 0x21)
 | |
| #define  INIT_HCA_FS_ETH_NUM_ADDRS_OFFSET (INIT_HCA_FS_PARAM_OFFSET + 0x22)
 | |
| #define  INIT_HCA_FS_IB_BITS_OFFSET       (INIT_HCA_FS_PARAM_OFFSET + 0x25)
 | |
| #define  INIT_HCA_FS_IB_NUM_ADDRS_OFFSET  (INIT_HCA_FS_PARAM_OFFSET + 0x26)
 | |
| #define INIT_HCA_TPT_OFFSET		 0x0f0
 | |
| #define	 INIT_HCA_DMPT_BASE_OFFSET	 (INIT_HCA_TPT_OFFSET + 0x00)
 | |
| #define  INIT_HCA_TPT_MW_OFFSET		 (INIT_HCA_TPT_OFFSET + 0x08)
 | |
| #define	 INIT_HCA_LOG_MPT_SZ_OFFSET	 (INIT_HCA_TPT_OFFSET + 0x0b)
 | |
| #define	 INIT_HCA_MTT_BASE_OFFSET	 (INIT_HCA_TPT_OFFSET + 0x10)
 | |
| #define	 INIT_HCA_CMPT_BASE_OFFSET	 (INIT_HCA_TPT_OFFSET + 0x18)
 | |
| #define INIT_HCA_UAR_OFFSET		 0x120
 | |
| #define	 INIT_HCA_LOG_UAR_SZ_OFFSET	 (INIT_HCA_UAR_OFFSET + 0x0a)
 | |
| #define  INIT_HCA_UAR_PAGE_SZ_OFFSET     (INIT_HCA_UAR_OFFSET + 0x0b)
 | |
| 
 | |
| 	mailbox = mlx4_alloc_cmd_mailbox(dev);
 | |
| 	if (IS_ERR(mailbox))
 | |
| 		return PTR_ERR(mailbox);
 | |
| 	inbox = mailbox->buf;
 | |
| 
 | |
| 	*((u8 *) mailbox->buf + INIT_HCA_VERSION_OFFSET) = INIT_HCA_VERSION;
 | |
| 
 | |
| 	*((u8 *) mailbox->buf + INIT_HCA_CACHELINE_SZ_OFFSET) =
 | |
| 		((ilog2(cache_line_size()) - 4) << 5) | (1 << 4);
 | |
| 
 | |
| #if defined(__LITTLE_ENDIAN)
 | |
| 	*(inbox + INIT_HCA_FLAGS_OFFSET / 4) &= ~cpu_to_be32(1 << 1);
 | |
| #elif defined(__BIG_ENDIAN)
 | |
| 	*(inbox + INIT_HCA_FLAGS_OFFSET / 4) |= cpu_to_be32(1 << 1);
 | |
| #else
 | |
| #error Host endianness not defined
 | |
| #endif
 | |
| 	/* Check port for UD address vector: */
 | |
| 	*(inbox + INIT_HCA_FLAGS_OFFSET / 4) |= cpu_to_be32(1);
 | |
| 
 | |
| 	/* Enable IPoIB checksumming if we can: */
 | |
| 	if (dev->caps.flags & MLX4_DEV_CAP_FLAG_IPOIB_CSUM)
 | |
| 		*(inbox + INIT_HCA_FLAGS_OFFSET / 4) |= cpu_to_be32(1 << 3);
 | |
| 
 | |
| 	/* Enable QoS support if module parameter set */
 | |
| 	if (dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_ETS_CFG && enable_qos)
 | |
| 		*(inbox + INIT_HCA_FLAGS_OFFSET / 4) |= cpu_to_be32(1 << 2);
 | |
| 
 | |
| 	/* enable counters */
 | |
| 	if (dev->caps.flags & MLX4_DEV_CAP_FLAG_COUNTERS)
 | |
| 		*(inbox + INIT_HCA_FLAGS_OFFSET / 4) |= cpu_to_be32(1 << 4);
 | |
| 
 | |
| 	/* Enable RSS spread to fragmented IP packets when supported */
 | |
| 	if (dev->caps.flags & MLX4_DEV_CAP_FLAG_RSS_IP_FRAG)
 | |
| 		*(inbox + INIT_HCA_FLAGS_OFFSET / 4) |= cpu_to_be32(1 << 13);
 | |
| 
 | |
| 	/* CX3 is capable of extending CQEs/EQEs from 32 to 64 bytes */
 | |
| 	if (dev->caps.flags & MLX4_DEV_CAP_FLAG_64B_EQE) {
 | |
| 		*(inbox + INIT_HCA_EQE_CQE_OFFSETS / 4) |= cpu_to_be32(1 << 29);
 | |
| 		dev->caps.eqe_size   = 64;
 | |
| 		dev->caps.eqe_factor = 1;
 | |
| 	} else {
 | |
| 		dev->caps.eqe_size   = 32;
 | |
| 		dev->caps.eqe_factor = 0;
 | |
| 	}
 | |
| 
 | |
| 	if (dev->caps.flags & MLX4_DEV_CAP_FLAG_64B_CQE) {
 | |
| 		*(inbox + INIT_HCA_EQE_CQE_OFFSETS / 4) |= cpu_to_be32(1 << 30);
 | |
| 		dev->caps.cqe_size   = 64;
 | |
| 		dev->caps.userspace_caps |= MLX4_USER_DEV_CAP_LARGE_CQE;
 | |
| 	} else {
 | |
| 		dev->caps.cqe_size   = 32;
 | |
| 	}
 | |
| 
 | |
| 	/* CX3 is capable of extending CQEs\EQEs to strides larger than 64B */
 | |
| 	if ((dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_EQE_STRIDE) &&
 | |
| 	    (dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_CQE_STRIDE)) {
 | |
| 		dev->caps.eqe_size = cache_line_size();
 | |
| 		dev->caps.cqe_size = cache_line_size();
 | |
| 		dev->caps.eqe_factor = 0;
 | |
| 		MLX4_PUT(inbox, (u8)((ilog2(dev->caps.eqe_size) - 5) << 4 |
 | |
| 				      (ilog2(dev->caps.eqe_size) - 5)),
 | |
| 			 INIT_HCA_EQE_CQE_STRIDE_OFFSET);
 | |
| 
 | |
| 		/* User still need to know to support CQE > 32B */
 | |
| 		dev->caps.userspace_caps |= MLX4_USER_DEV_CAP_LARGE_CQE;
 | |
| 	}
 | |
| 
 | |
| 	if (dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_RECOVERABLE_ERROR_EVENT)
 | |
| 		*(inbox + INIT_HCA_RECOVERABLE_ERROR_EVENT_OFFSET / 4) |= cpu_to_be32(1 << 31);
 | |
| 
 | |
| 	if (dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_DRIVER_VERSION_TO_FW) {
 | |
| 		u8 *dst = (u8 *)(inbox + INIT_HCA_DRIVER_VERSION_OFFSET / 4);
 | |
| 
 | |
| 		strscpy(dst, DRV_NAME_FOR_FW, INIT_HCA_DRIVER_VERSION_SZ);
 | |
| 		mlx4_dbg(dev, "Reporting Driver Version to FW: %s\n", dst);
 | |
| 	}
 | |
| 
 | |
| 	/* QPC/EEC/CQC/EQC/RDMARC attributes */
 | |
| 
 | |
| 	MLX4_PUT(inbox, param->qpc_base,      INIT_HCA_QPC_BASE_OFFSET);
 | |
| 	MLX4_PUT(inbox, param->log_num_qps,   INIT_HCA_LOG_QP_OFFSET);
 | |
| 	MLX4_PUT(inbox, param->srqc_base,     INIT_HCA_SRQC_BASE_OFFSET);
 | |
| 	MLX4_PUT(inbox, param->log_num_srqs,  INIT_HCA_LOG_SRQ_OFFSET);
 | |
| 	MLX4_PUT(inbox, param->cqc_base,      INIT_HCA_CQC_BASE_OFFSET);
 | |
| 	MLX4_PUT(inbox, param->log_num_cqs,   INIT_HCA_LOG_CQ_OFFSET);
 | |
| 	MLX4_PUT(inbox, param->altc_base,     INIT_HCA_ALTC_BASE_OFFSET);
 | |
| 	MLX4_PUT(inbox, param->auxc_base,     INIT_HCA_AUXC_BASE_OFFSET);
 | |
| 	MLX4_PUT(inbox, param->eqc_base,      INIT_HCA_EQC_BASE_OFFSET);
 | |
| 	MLX4_PUT(inbox, param->log_num_eqs,   INIT_HCA_LOG_EQ_OFFSET);
 | |
| 	MLX4_PUT(inbox, param->num_sys_eqs,   INIT_HCA_NUM_SYS_EQS_OFFSET);
 | |
| 	MLX4_PUT(inbox, param->rdmarc_base,   INIT_HCA_RDMARC_BASE_OFFSET);
 | |
| 	MLX4_PUT(inbox, param->log_rd_per_qp, INIT_HCA_LOG_RD_OFFSET);
 | |
| 
 | |
| 	/* steering attributes */
 | |
| 	if (dev->caps.steering_mode ==
 | |
| 	    MLX4_STEERING_MODE_DEVICE_MANAGED) {
 | |
| 		*(inbox + INIT_HCA_FLAGS_OFFSET / 4) |=
 | |
| 			cpu_to_be32(1 <<
 | |
| 				    INIT_HCA_DEVICE_MANAGED_FLOW_STEERING_EN);
 | |
| 
 | |
| 		MLX4_PUT(inbox, param->mc_base, INIT_HCA_FS_BASE_OFFSET);
 | |
| 		MLX4_PUT(inbox, param->log_mc_entry_sz,
 | |
| 			 INIT_HCA_FS_LOG_ENTRY_SZ_OFFSET);
 | |
| 		MLX4_PUT(inbox, param->log_mc_table_sz,
 | |
| 			 INIT_HCA_FS_LOG_TABLE_SZ_OFFSET);
 | |
| 		/* Enable Ethernet flow steering
 | |
| 		 * with udp unicast and tcp unicast
 | |
| 		 */
 | |
| 		if (dev->caps.dmfs_high_steer_mode !=
 | |
| 		    MLX4_STEERING_DMFS_A0_STATIC)
 | |
| 			MLX4_PUT(inbox,
 | |
| 				 (u8)(MLX4_FS_UDP_UC_EN | MLX4_FS_TCP_UC_EN),
 | |
| 				 INIT_HCA_FS_ETH_BITS_OFFSET);
 | |
| 		MLX4_PUT(inbox, (u16) MLX4_FS_NUM_OF_L2_ADDR,
 | |
| 			 INIT_HCA_FS_ETH_NUM_ADDRS_OFFSET);
 | |
| 		/* Enable IPoIB flow steering
 | |
| 		 * with udp unicast and tcp unicast
 | |
| 		 */
 | |
| 		MLX4_PUT(inbox, (u8) (MLX4_FS_UDP_UC_EN | MLX4_FS_TCP_UC_EN),
 | |
| 			 INIT_HCA_FS_IB_BITS_OFFSET);
 | |
| 		MLX4_PUT(inbox, (u16) MLX4_FS_NUM_OF_L2_ADDR,
 | |
| 			 INIT_HCA_FS_IB_NUM_ADDRS_OFFSET);
 | |
| 
 | |
| 		if (dev->caps.dmfs_high_steer_mode !=
 | |
| 		    MLX4_STEERING_DMFS_A0_NOT_SUPPORTED)
 | |
| 			MLX4_PUT(inbox,
 | |
| 				 ((u8)(a0_dmfs_hw_steering[dev->caps.dmfs_high_steer_mode]
 | |
| 				       << 6)),
 | |
| 				 INIT_HCA_FS_A0_OFFSET);
 | |
| 	} else {
 | |
| 		MLX4_PUT(inbox, param->mc_base,	INIT_HCA_MC_BASE_OFFSET);
 | |
| 		MLX4_PUT(inbox, param->log_mc_entry_sz,
 | |
| 			 INIT_HCA_LOG_MC_ENTRY_SZ_OFFSET);
 | |
| 		MLX4_PUT(inbox, param->log_mc_hash_sz,
 | |
| 			 INIT_HCA_LOG_MC_HASH_SZ_OFFSET);
 | |
| 		MLX4_PUT(inbox, param->log_mc_table_sz,
 | |
| 			 INIT_HCA_LOG_MC_TABLE_SZ_OFFSET);
 | |
| 		if (dev->caps.steering_mode == MLX4_STEERING_MODE_B0)
 | |
| 			MLX4_PUT(inbox, (u8) (1 << 3),
 | |
| 				 INIT_HCA_UC_STEERING_OFFSET);
 | |
| 	}
 | |
| 
 | |
| 	/* TPT attributes */
 | |
| 
 | |
| 	MLX4_PUT(inbox, param->dmpt_base,  INIT_HCA_DMPT_BASE_OFFSET);
 | |
| 	MLX4_PUT(inbox, param->mw_enabled, INIT_HCA_TPT_MW_OFFSET);
 | |
| 	MLX4_PUT(inbox, param->log_mpt_sz, INIT_HCA_LOG_MPT_SZ_OFFSET);
 | |
| 	MLX4_PUT(inbox, param->mtt_base,   INIT_HCA_MTT_BASE_OFFSET);
 | |
| 	MLX4_PUT(inbox, param->cmpt_base,  INIT_HCA_CMPT_BASE_OFFSET);
 | |
| 
 | |
| 	/* UAR attributes */
 | |
| 
 | |
| 	MLX4_PUT(inbox, param->uar_page_sz,	INIT_HCA_UAR_PAGE_SZ_OFFSET);
 | |
| 	MLX4_PUT(inbox, param->log_uar_sz,      INIT_HCA_LOG_UAR_SZ_OFFSET);
 | |
| 
 | |
| 	/* set parser VXLAN attributes */
 | |
| 	if (dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_VXLAN_OFFLOADS) {
 | |
| 		u8 parser_params = 0;
 | |
| 		MLX4_PUT(inbox, parser_params,	INIT_HCA_VXLAN_OFFSET);
 | |
| 	}
 | |
| 
 | |
| 	err = mlx4_cmd(dev, mailbox->dma, 0, 0, MLX4_CMD_INIT_HCA,
 | |
| 		       MLX4_CMD_TIME_CLASS_C, MLX4_CMD_NATIVE);
 | |
| 
 | |
| 	if (err)
 | |
| 		mlx4_err(dev, "INIT_HCA returns %d\n", err);
 | |
| 
 | |
| 	mlx4_free_cmd_mailbox(dev, mailbox);
 | |
| 	return err;
 | |
| }
 | |
| 
 | |
| int mlx4_QUERY_HCA(struct mlx4_dev *dev,
 | |
| 		   struct mlx4_init_hca_param *param)
 | |
| {
 | |
| 	struct mlx4_cmd_mailbox *mailbox;
 | |
| 	__be32 *outbox;
 | |
| 	u64 qword_field;
 | |
| 	u32 dword_field;
 | |
| 	u16 word_field;
 | |
| 	u8 byte_field;
 | |
| 	int err;
 | |
| 	static const u8 a0_dmfs_query_hw_steering[] =  {
 | |
| 		[0] = MLX4_STEERING_DMFS_A0_DEFAULT,
 | |
| 		[1] = MLX4_STEERING_DMFS_A0_DYNAMIC,
 | |
| 		[2] = MLX4_STEERING_DMFS_A0_STATIC,
 | |
| 		[3] = MLX4_STEERING_DMFS_A0_DISABLE
 | |
| 	};
 | |
| 
 | |
| #define QUERY_HCA_GLOBAL_CAPS_OFFSET	0x04
 | |
| #define QUERY_HCA_CORE_CLOCK_OFFSET	0x0c
 | |
| 
 | |
| 	mailbox = mlx4_alloc_cmd_mailbox(dev);
 | |
| 	if (IS_ERR(mailbox))
 | |
| 		return PTR_ERR(mailbox);
 | |
| 	outbox = mailbox->buf;
 | |
| 
 | |
| 	err = mlx4_cmd_box(dev, 0, mailbox->dma, 0, 0,
 | |
| 			   MLX4_CMD_QUERY_HCA,
 | |
| 			   MLX4_CMD_TIME_CLASS_B,
 | |
| 			   !mlx4_is_slave(dev));
 | |
| 	if (err)
 | |
| 		goto out;
 | |
| 
 | |
| 	MLX4_GET(param->global_caps, outbox, QUERY_HCA_GLOBAL_CAPS_OFFSET);
 | |
| 	MLX4_GET(param->hca_core_clock, outbox, QUERY_HCA_CORE_CLOCK_OFFSET);
 | |
| 
 | |
| 	/* QPC/EEC/CQC/EQC/RDMARC attributes */
 | |
| 
 | |
| 	MLX4_GET(qword_field, outbox, INIT_HCA_QPC_BASE_OFFSET);
 | |
| 	param->qpc_base = qword_field & ~((u64)0x1f);
 | |
| 	MLX4_GET(byte_field, outbox, INIT_HCA_LOG_QP_OFFSET);
 | |
| 	param->log_num_qps = byte_field & 0x1f;
 | |
| 	MLX4_GET(qword_field, outbox, INIT_HCA_SRQC_BASE_OFFSET);
 | |
| 	param->srqc_base = qword_field & ~((u64)0x1f);
 | |
| 	MLX4_GET(byte_field, outbox, INIT_HCA_LOG_SRQ_OFFSET);
 | |
| 	param->log_num_srqs = byte_field & 0x1f;
 | |
| 	MLX4_GET(qword_field, outbox, INIT_HCA_CQC_BASE_OFFSET);
 | |
| 	param->cqc_base = qword_field & ~((u64)0x1f);
 | |
| 	MLX4_GET(byte_field, outbox, INIT_HCA_LOG_CQ_OFFSET);
 | |
| 	param->log_num_cqs = byte_field & 0x1f;
 | |
| 	MLX4_GET(qword_field, outbox, INIT_HCA_ALTC_BASE_OFFSET);
 | |
| 	param->altc_base = qword_field;
 | |
| 	MLX4_GET(qword_field, outbox, INIT_HCA_AUXC_BASE_OFFSET);
 | |
| 	param->auxc_base = qword_field;
 | |
| 	MLX4_GET(qword_field, outbox, INIT_HCA_EQC_BASE_OFFSET);
 | |
| 	param->eqc_base = qword_field & ~((u64)0x1f);
 | |
| 	MLX4_GET(byte_field, outbox, INIT_HCA_LOG_EQ_OFFSET);
 | |
| 	param->log_num_eqs = byte_field & 0x1f;
 | |
| 	MLX4_GET(word_field, outbox, INIT_HCA_NUM_SYS_EQS_OFFSET);
 | |
| 	param->num_sys_eqs = word_field & 0xfff;
 | |
| 	MLX4_GET(qword_field, outbox, INIT_HCA_RDMARC_BASE_OFFSET);
 | |
| 	param->rdmarc_base = qword_field & ~((u64)0x1f);
 | |
| 	MLX4_GET(byte_field, outbox, INIT_HCA_LOG_RD_OFFSET);
 | |
| 	param->log_rd_per_qp = byte_field & 0x7;
 | |
| 
 | |
| 	MLX4_GET(dword_field, outbox, INIT_HCA_FLAGS_OFFSET);
 | |
| 	if (dword_field & (1 << INIT_HCA_DEVICE_MANAGED_FLOW_STEERING_EN)) {
 | |
| 		param->steering_mode = MLX4_STEERING_MODE_DEVICE_MANAGED;
 | |
| 	} else {
 | |
| 		MLX4_GET(byte_field, outbox, INIT_HCA_UC_STEERING_OFFSET);
 | |
| 		if (byte_field & 0x8)
 | |
| 			param->steering_mode = MLX4_STEERING_MODE_B0;
 | |
| 		else
 | |
| 			param->steering_mode = MLX4_STEERING_MODE_A0;
 | |
| 	}
 | |
| 
 | |
| 	if (dword_field & (1 << 13))
 | |
| 		param->rss_ip_frags = 1;
 | |
| 
 | |
| 	/* steering attributes */
 | |
| 	if (param->steering_mode == MLX4_STEERING_MODE_DEVICE_MANAGED) {
 | |
| 		MLX4_GET(param->mc_base, outbox, INIT_HCA_FS_BASE_OFFSET);
 | |
| 		MLX4_GET(byte_field, outbox, INIT_HCA_FS_LOG_ENTRY_SZ_OFFSET);
 | |
| 		param->log_mc_entry_sz = byte_field & 0x1f;
 | |
| 		MLX4_GET(byte_field, outbox, INIT_HCA_FS_LOG_TABLE_SZ_OFFSET);
 | |
| 		param->log_mc_table_sz = byte_field & 0x1f;
 | |
| 		MLX4_GET(byte_field, outbox, INIT_HCA_FS_A0_OFFSET);
 | |
| 		param->dmfs_high_steer_mode =
 | |
| 			a0_dmfs_query_hw_steering[(byte_field >> 6) & 3];
 | |
| 	} else {
 | |
| 		MLX4_GET(param->mc_base, outbox, INIT_HCA_MC_BASE_OFFSET);
 | |
| 		MLX4_GET(byte_field, outbox, INIT_HCA_LOG_MC_ENTRY_SZ_OFFSET);
 | |
| 		param->log_mc_entry_sz = byte_field & 0x1f;
 | |
| 		MLX4_GET(byte_field,  outbox, INIT_HCA_LOG_MC_HASH_SZ_OFFSET);
 | |
| 		param->log_mc_hash_sz = byte_field & 0x1f;
 | |
| 		MLX4_GET(byte_field, outbox, INIT_HCA_LOG_MC_TABLE_SZ_OFFSET);
 | |
| 		param->log_mc_table_sz = byte_field & 0x1f;
 | |
| 	}
 | |
| 
 | |
| 	/* CX3 is capable of extending CQEs/EQEs from 32 to 64 bytes */
 | |
| 	MLX4_GET(byte_field, outbox, INIT_HCA_EQE_CQE_OFFSETS);
 | |
| 	if (byte_field & 0x20) /* 64-bytes eqe enabled */
 | |
| 		param->dev_cap_enabled |= MLX4_DEV_CAP_64B_EQE_ENABLED;
 | |
| 	if (byte_field & 0x40) /* 64-bytes cqe enabled */
 | |
| 		param->dev_cap_enabled |= MLX4_DEV_CAP_64B_CQE_ENABLED;
 | |
| 
 | |
| 	/* CX3 is capable of extending CQEs\EQEs to strides larger than 64B */
 | |
| 	MLX4_GET(byte_field, outbox, INIT_HCA_EQE_CQE_STRIDE_OFFSET);
 | |
| 	if (byte_field) {
 | |
| 		param->dev_cap_enabled |= MLX4_DEV_CAP_EQE_STRIDE_ENABLED;
 | |
| 		param->dev_cap_enabled |= MLX4_DEV_CAP_CQE_STRIDE_ENABLED;
 | |
| 		param->cqe_size = 1 << ((byte_field &
 | |
| 					 MLX4_CQE_SIZE_MASK_STRIDE) + 5);
 | |
| 		param->eqe_size = 1 << (((byte_field &
 | |
| 					  MLX4_EQE_SIZE_MASK_STRIDE) >> 4) + 5);
 | |
| 	}
 | |
| 
 | |
| 	/* TPT attributes */
 | |
| 
 | |
| 	MLX4_GET(param->dmpt_base,  outbox, INIT_HCA_DMPT_BASE_OFFSET);
 | |
| 	MLX4_GET(byte_field, outbox, INIT_HCA_TPT_MW_OFFSET);
 | |
| 	param->mw_enabled = byte_field >> 7;
 | |
| 	MLX4_GET(byte_field, outbox, INIT_HCA_LOG_MPT_SZ_OFFSET);
 | |
| 	param->log_mpt_sz = byte_field & 0x3f;
 | |
| 	MLX4_GET(param->mtt_base,   outbox, INIT_HCA_MTT_BASE_OFFSET);
 | |
| 	MLX4_GET(param->cmpt_base,  outbox, INIT_HCA_CMPT_BASE_OFFSET);
 | |
| 
 | |
| 	/* UAR attributes */
 | |
| 
 | |
| 	MLX4_GET(param->uar_page_sz, outbox, INIT_HCA_UAR_PAGE_SZ_OFFSET);
 | |
| 	MLX4_GET(byte_field, outbox, INIT_HCA_LOG_UAR_SZ_OFFSET);
 | |
| 	param->log_uar_sz = byte_field & 0xf;
 | |
| 
 | |
| 	/* phv_check enable */
 | |
| 	MLX4_GET(byte_field, outbox, INIT_HCA_CACHELINE_SZ_OFFSET);
 | |
| 	if (byte_field & 0x2)
 | |
| 		param->phv_check_en = 1;
 | |
| out:
 | |
| 	mlx4_free_cmd_mailbox(dev, mailbox);
 | |
| 
 | |
| 	return err;
 | |
| }
 | |
| 
 | |
| static int mlx4_hca_core_clock_update(struct mlx4_dev *dev)
 | |
| {
 | |
| 	struct mlx4_cmd_mailbox *mailbox;
 | |
| 	__be32 *outbox;
 | |
| 	int err;
 | |
| 
 | |
| 	mailbox = mlx4_alloc_cmd_mailbox(dev);
 | |
| 	if (IS_ERR(mailbox)) {
 | |
| 		mlx4_warn(dev, "hca_core_clock mailbox allocation failed\n");
 | |
| 		return PTR_ERR(mailbox);
 | |
| 	}
 | |
| 	outbox = mailbox->buf;
 | |
| 
 | |
| 	err = mlx4_cmd_box(dev, 0, mailbox->dma, 0, 0,
 | |
| 			   MLX4_CMD_QUERY_HCA,
 | |
| 			   MLX4_CMD_TIME_CLASS_B,
 | |
| 			   !mlx4_is_slave(dev));
 | |
| 	if (err) {
 | |
| 		mlx4_warn(dev, "hca_core_clock update failed\n");
 | |
| 		goto out;
 | |
| 	}
 | |
| 
 | |
| 	MLX4_GET(dev->caps.hca_core_clock, outbox, QUERY_HCA_CORE_CLOCK_OFFSET);
 | |
| 
 | |
| out:
 | |
| 	mlx4_free_cmd_mailbox(dev, mailbox);
 | |
| 
 | |
| 	return err;
 | |
| }
 | |
| 
 | |
| /* for IB-type ports only in SRIOV mode. Checks that both proxy QP0
 | |
|  * and real QP0 are active, so that the paravirtualized QP0 is ready
 | |
|  * to operate */
 | |
| static int check_qp0_state(struct mlx4_dev *dev, int function, int port)
 | |
| {
 | |
| 	struct mlx4_priv *priv = mlx4_priv(dev);
 | |
| 	/* irrelevant if not infiniband */
 | |
| 	if (priv->mfunc.master.qp0_state[port].proxy_qp0_active &&
 | |
| 	    priv->mfunc.master.qp0_state[port].qp0_active)
 | |
| 		return 1;
 | |
| 	return 0;
 | |
| }
 | |
| 
 | |
| int mlx4_INIT_PORT_wrapper(struct mlx4_dev *dev, int slave,
 | |
| 			   struct mlx4_vhcr *vhcr,
 | |
| 			   struct mlx4_cmd_mailbox *inbox,
 | |
| 			   struct mlx4_cmd_mailbox *outbox,
 | |
| 			   struct mlx4_cmd_info *cmd)
 | |
| {
 | |
| 	struct mlx4_priv *priv = mlx4_priv(dev);
 | |
| 	int port = mlx4_slave_convert_port(dev, slave, vhcr->in_modifier);
 | |
| 	int err;
 | |
| 
 | |
| 	if (port < 0)
 | |
| 		return -EINVAL;
 | |
| 
 | |
| 	if (priv->mfunc.master.slave_state[slave].init_port_mask & (1 << port))
 | |
| 		return 0;
 | |
| 
 | |
| 	if (dev->caps.port_mask[port] != MLX4_PORT_TYPE_IB) {
 | |
| 		/* Enable port only if it was previously disabled */
 | |
| 		if (!priv->mfunc.master.init_port_ref[port]) {
 | |
| 			err = mlx4_cmd(dev, 0, port, 0, MLX4_CMD_INIT_PORT,
 | |
| 				       MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE);
 | |
| 			if (err)
 | |
| 				return err;
 | |
| 		}
 | |
| 		priv->mfunc.master.slave_state[slave].init_port_mask |= (1 << port);
 | |
| 	} else {
 | |
| 		if (slave == mlx4_master_func_num(dev)) {
 | |
| 			if (check_qp0_state(dev, slave, port) &&
 | |
| 			    !priv->mfunc.master.qp0_state[port].port_active) {
 | |
| 				err = mlx4_cmd(dev, 0, port, 0, MLX4_CMD_INIT_PORT,
 | |
| 					       MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE);
 | |
| 				if (err)
 | |
| 					return err;
 | |
| 				priv->mfunc.master.qp0_state[port].port_active = 1;
 | |
| 				priv->mfunc.master.slave_state[slave].init_port_mask |= (1 << port);
 | |
| 			}
 | |
| 		} else
 | |
| 			priv->mfunc.master.slave_state[slave].init_port_mask |= (1 << port);
 | |
| 	}
 | |
| 	++priv->mfunc.master.init_port_ref[port];
 | |
| 	return 0;
 | |
| }
 | |
| 
 | |
| int mlx4_INIT_PORT(struct mlx4_dev *dev, int port)
 | |
| {
 | |
| 	struct mlx4_cmd_mailbox *mailbox;
 | |
| 	u32 *inbox;
 | |
| 	int err;
 | |
| 	u32 flags;
 | |
| 	u16 field;
 | |
| 
 | |
| 	if (dev->flags & MLX4_FLAG_OLD_PORT_CMDS) {
 | |
| #define INIT_PORT_IN_SIZE          256
 | |
| #define INIT_PORT_FLAGS_OFFSET     0x00
 | |
| #define INIT_PORT_FLAG_SIG         (1 << 18)
 | |
| #define INIT_PORT_FLAG_NG          (1 << 17)
 | |
| #define INIT_PORT_FLAG_G0          (1 << 16)
 | |
| #define INIT_PORT_VL_SHIFT         4
 | |
| #define INIT_PORT_PORT_WIDTH_SHIFT 8
 | |
| #define INIT_PORT_MTU_OFFSET       0x04
 | |
| #define INIT_PORT_MAX_GID_OFFSET   0x06
 | |
| #define INIT_PORT_MAX_PKEY_OFFSET  0x0a
 | |
| #define INIT_PORT_GUID0_OFFSET     0x10
 | |
| #define INIT_PORT_NODE_GUID_OFFSET 0x18
 | |
| #define INIT_PORT_SI_GUID_OFFSET   0x20
 | |
| 
 | |
| 		mailbox = mlx4_alloc_cmd_mailbox(dev);
 | |
| 		if (IS_ERR(mailbox))
 | |
| 			return PTR_ERR(mailbox);
 | |
| 		inbox = mailbox->buf;
 | |
| 
 | |
| 		flags = 0;
 | |
| 		flags |= (dev->caps.vl_cap[port] & 0xf) << INIT_PORT_VL_SHIFT;
 | |
| 		flags |= (dev->caps.port_width_cap[port] & 0xf) << INIT_PORT_PORT_WIDTH_SHIFT;
 | |
| 		MLX4_PUT(inbox, flags,		  INIT_PORT_FLAGS_OFFSET);
 | |
| 
 | |
| 		field = 128 << dev->caps.ib_mtu_cap[port];
 | |
| 		MLX4_PUT(inbox, field, INIT_PORT_MTU_OFFSET);
 | |
| 		field = dev->caps.gid_table_len[port];
 | |
| 		MLX4_PUT(inbox, field, INIT_PORT_MAX_GID_OFFSET);
 | |
| 		field = dev->caps.pkey_table_len[port];
 | |
| 		MLX4_PUT(inbox, field, INIT_PORT_MAX_PKEY_OFFSET);
 | |
| 
 | |
| 		err = mlx4_cmd(dev, mailbox->dma, port, 0, MLX4_CMD_INIT_PORT,
 | |
| 			       MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE);
 | |
| 
 | |
| 		mlx4_free_cmd_mailbox(dev, mailbox);
 | |
| 	} else
 | |
| 		err = mlx4_cmd(dev, 0, port, 0, MLX4_CMD_INIT_PORT,
 | |
| 			       MLX4_CMD_TIME_CLASS_A, MLX4_CMD_WRAPPED);
 | |
| 
 | |
| 	if (!err)
 | |
| 		mlx4_hca_core_clock_update(dev);
 | |
| 
 | |
| 	return err;
 | |
| }
 | |
| EXPORT_SYMBOL_GPL(mlx4_INIT_PORT);
 | |
| 
 | |
| int mlx4_CLOSE_PORT_wrapper(struct mlx4_dev *dev, int slave,
 | |
| 			    struct mlx4_vhcr *vhcr,
 | |
| 			    struct mlx4_cmd_mailbox *inbox,
 | |
| 			    struct mlx4_cmd_mailbox *outbox,
 | |
| 			    struct mlx4_cmd_info *cmd)
 | |
| {
 | |
| 	struct mlx4_priv *priv = mlx4_priv(dev);
 | |
| 	int port = mlx4_slave_convert_port(dev, slave, vhcr->in_modifier);
 | |
| 	int err;
 | |
| 
 | |
| 	if (port < 0)
 | |
| 		return -EINVAL;
 | |
| 
 | |
| 	if (!(priv->mfunc.master.slave_state[slave].init_port_mask &
 | |
| 	    (1 << port)))
 | |
| 		return 0;
 | |
| 
 | |
| 	if (dev->caps.port_mask[port] != MLX4_PORT_TYPE_IB) {
 | |
| 		if (priv->mfunc.master.init_port_ref[port] == 1) {
 | |
| 			err = mlx4_cmd(dev, 0, port, 0, MLX4_CMD_CLOSE_PORT,
 | |
| 				       MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE);
 | |
| 			if (err)
 | |
| 				return err;
 | |
| 		}
 | |
| 		priv->mfunc.master.slave_state[slave].init_port_mask &= ~(1 << port);
 | |
| 	} else {
 | |
| 		/* infiniband port */
 | |
| 		if (slave == mlx4_master_func_num(dev)) {
 | |
| 			if (!priv->mfunc.master.qp0_state[port].qp0_active &&
 | |
| 			    priv->mfunc.master.qp0_state[port].port_active) {
 | |
| 				err = mlx4_cmd(dev, 0, port, 0, MLX4_CMD_CLOSE_PORT,
 | |
| 					       MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE);
 | |
| 				if (err)
 | |
| 					return err;
 | |
| 				priv->mfunc.master.slave_state[slave].init_port_mask &= ~(1 << port);
 | |
| 				priv->mfunc.master.qp0_state[port].port_active = 0;
 | |
| 			}
 | |
| 		} else
 | |
| 			priv->mfunc.master.slave_state[slave].init_port_mask &= ~(1 << port);
 | |
| 	}
 | |
| 	--priv->mfunc.master.init_port_ref[port];
 | |
| 	return 0;
 | |
| }
 | |
| 
 | |
| int mlx4_CLOSE_PORT(struct mlx4_dev *dev, int port)
 | |
| {
 | |
| 	return mlx4_cmd(dev, 0, port, 0, MLX4_CMD_CLOSE_PORT,
 | |
| 			MLX4_CMD_TIME_CLASS_A, MLX4_CMD_WRAPPED);
 | |
| }
 | |
| EXPORT_SYMBOL_GPL(mlx4_CLOSE_PORT);
 | |
| 
 | |
| int mlx4_CLOSE_HCA(struct mlx4_dev *dev, int panic)
 | |
| {
 | |
| 	return mlx4_cmd(dev, 0, 0, panic, MLX4_CMD_CLOSE_HCA,
 | |
| 			MLX4_CMD_TIME_CLASS_C, MLX4_CMD_NATIVE);
 | |
| }
 | |
| 
 | |
| struct mlx4_config_dev {
 | |
| 	__be32	update_flags;
 | |
| 	__be32	rsvd1[3];
 | |
| 	__be16	vxlan_udp_dport;
 | |
| 	__be16	rsvd2;
 | |
| 	__be16  roce_v2_entropy;
 | |
| 	__be16  roce_v2_udp_dport;
 | |
| 	__be32	roce_flags;
 | |
| 	__be32	rsvd4[25];
 | |
| 	__be16	rsvd5;
 | |
| 	u8	rsvd6;
 | |
| 	u8	rx_checksum_val;
 | |
| };
 | |
| 
 | |
| #define MLX4_VXLAN_UDP_DPORT (1 << 0)
 | |
| #define MLX4_ROCE_V2_UDP_DPORT BIT(3)
 | |
| #define MLX4_DISABLE_RX_PORT BIT(18)
 | |
| 
 | |
| static int mlx4_CONFIG_DEV_set(struct mlx4_dev *dev, struct mlx4_config_dev *config_dev)
 | |
| {
 | |
| 	int err;
 | |
| 	struct mlx4_cmd_mailbox *mailbox;
 | |
| 
 | |
| 	mailbox = mlx4_alloc_cmd_mailbox(dev);
 | |
| 	if (IS_ERR(mailbox))
 | |
| 		return PTR_ERR(mailbox);
 | |
| 
 | |
| 	memcpy(mailbox->buf, config_dev, sizeof(*config_dev));
 | |
| 
 | |
| 	err = mlx4_cmd(dev, mailbox->dma, 0, 0, MLX4_CMD_CONFIG_DEV,
 | |
| 		       MLX4_CMD_TIME_CLASS_B, MLX4_CMD_NATIVE);
 | |
| 
 | |
| 	mlx4_free_cmd_mailbox(dev, mailbox);
 | |
| 	return err;
 | |
| }
 | |
| 
 | |
| static int mlx4_CONFIG_DEV_get(struct mlx4_dev *dev, struct mlx4_config_dev *config_dev)
 | |
| {
 | |
| 	int err;
 | |
| 	struct mlx4_cmd_mailbox *mailbox;
 | |
| 
 | |
| 	mailbox = mlx4_alloc_cmd_mailbox(dev);
 | |
| 	if (IS_ERR(mailbox))
 | |
| 		return PTR_ERR(mailbox);
 | |
| 
 | |
| 	err = mlx4_cmd_box(dev, 0, mailbox->dma, 0, 1, MLX4_CMD_CONFIG_DEV,
 | |
| 			   MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE);
 | |
| 
 | |
| 	if (!err)
 | |
| 		memcpy(config_dev, mailbox->buf, sizeof(*config_dev));
 | |
| 
 | |
| 	mlx4_free_cmd_mailbox(dev, mailbox);
 | |
| 	return err;
 | |
| }
 | |
| 
 | |
| /* Conversion between the HW values and the actual functionality.
 | |
|  * The value represented by the array index,
 | |
|  * and the functionality determined by the flags.
 | |
|  */
 | |
| static const u8 config_dev_csum_flags[] = {
 | |
| 	[0] =	0,
 | |
| 	[1] =	MLX4_RX_CSUM_MODE_VAL_NON_TCP_UDP,
 | |
| 	[2] =	MLX4_RX_CSUM_MODE_VAL_NON_TCP_UDP	|
 | |
| 		MLX4_RX_CSUM_MODE_L4,
 | |
| 	[3] =	MLX4_RX_CSUM_MODE_L4			|
 | |
| 		MLX4_RX_CSUM_MODE_IP_OK_IP_NON_TCP_UDP	|
 | |
| 		MLX4_RX_CSUM_MODE_MULTI_VLAN
 | |
| };
 | |
| 
 | |
| int mlx4_config_dev_retrieval(struct mlx4_dev *dev,
 | |
| 			      struct mlx4_config_dev_params *params)
 | |
| {
 | |
| 	struct mlx4_config_dev config_dev = {0};
 | |
| 	int err;
 | |
| 	u8 csum_mask;
 | |
| 
 | |
| #define CONFIG_DEV_RX_CSUM_MODE_MASK			0x7
 | |
| #define CONFIG_DEV_RX_CSUM_MODE_PORT1_BIT_OFFSET	0
 | |
| #define CONFIG_DEV_RX_CSUM_MODE_PORT2_BIT_OFFSET	4
 | |
| 
 | |
| 	if (!(dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_CONFIG_DEV))
 | |
| 		return -EOPNOTSUPP;
 | |
| 
 | |
| 	err = mlx4_CONFIG_DEV_get(dev, &config_dev);
 | |
| 	if (err)
 | |
| 		return err;
 | |
| 
 | |
| 	csum_mask = (config_dev.rx_checksum_val >> CONFIG_DEV_RX_CSUM_MODE_PORT1_BIT_OFFSET) &
 | |
| 			CONFIG_DEV_RX_CSUM_MODE_MASK;
 | |
| 
 | |
| 	if (csum_mask >= ARRAY_SIZE(config_dev_csum_flags))
 | |
| 		return -EINVAL;
 | |
| 	params->rx_csum_flags_port_1 = config_dev_csum_flags[csum_mask];
 | |
| 
 | |
| 	csum_mask = (config_dev.rx_checksum_val >> CONFIG_DEV_RX_CSUM_MODE_PORT2_BIT_OFFSET) &
 | |
| 			CONFIG_DEV_RX_CSUM_MODE_MASK;
 | |
| 
 | |
| 	if (csum_mask >= ARRAY_SIZE(config_dev_csum_flags))
 | |
| 		return -EINVAL;
 | |
| 	params->rx_csum_flags_port_2 = config_dev_csum_flags[csum_mask];
 | |
| 
 | |
| 	params->vxlan_udp_dport = be16_to_cpu(config_dev.vxlan_udp_dport);
 | |
| 
 | |
| 	return 0;
 | |
| }
 | |
| EXPORT_SYMBOL_GPL(mlx4_config_dev_retrieval);
 | |
| 
 | |
| int mlx4_config_vxlan_port(struct mlx4_dev *dev, __be16 udp_port)
 | |
| {
 | |
| 	struct mlx4_config_dev config_dev;
 | |
| 
 | |
| 	memset(&config_dev, 0, sizeof(config_dev));
 | |
| 	config_dev.update_flags    = cpu_to_be32(MLX4_VXLAN_UDP_DPORT);
 | |
| 	config_dev.vxlan_udp_dport = udp_port;
 | |
| 
 | |
| 	return mlx4_CONFIG_DEV_set(dev, &config_dev);
 | |
| }
 | |
| EXPORT_SYMBOL_GPL(mlx4_config_vxlan_port);
 | |
| 
 | |
| #define CONFIG_DISABLE_RX_PORT BIT(15)
 | |
| int mlx4_disable_rx_port_check(struct mlx4_dev *dev, bool dis)
 | |
| {
 | |
| 	struct mlx4_config_dev config_dev;
 | |
| 
 | |
| 	memset(&config_dev, 0, sizeof(config_dev));
 | |
| 	config_dev.update_flags = cpu_to_be32(MLX4_DISABLE_RX_PORT);
 | |
| 	if (dis)
 | |
| 		config_dev.roce_flags =
 | |
| 			cpu_to_be32(CONFIG_DISABLE_RX_PORT);
 | |
| 
 | |
| 	return mlx4_CONFIG_DEV_set(dev, &config_dev);
 | |
| }
 | |
| 
 | |
| int mlx4_config_roce_v2_port(struct mlx4_dev *dev, u16 udp_port)
 | |
| {
 | |
| 	struct mlx4_config_dev config_dev;
 | |
| 
 | |
| 	memset(&config_dev, 0, sizeof(config_dev));
 | |
| 	config_dev.update_flags    = cpu_to_be32(MLX4_ROCE_V2_UDP_DPORT);
 | |
| 	config_dev.roce_v2_udp_dport = cpu_to_be16(udp_port);
 | |
| 
 | |
| 	return mlx4_CONFIG_DEV_set(dev, &config_dev);
 | |
| }
 | |
| EXPORT_SYMBOL_GPL(mlx4_config_roce_v2_port);
 | |
| 
 | |
| int mlx4_virt2phy_port_map(struct mlx4_dev *dev, u32 port1, u32 port2)
 | |
| {
 | |
| 	struct mlx4_cmd_mailbox *mailbox;
 | |
| 	struct {
 | |
| 		__be32 v_port1;
 | |
| 		__be32 v_port2;
 | |
| 	} *v2p;
 | |
| 	int err;
 | |
| 
 | |
| 	mailbox = mlx4_alloc_cmd_mailbox(dev);
 | |
| 	if (IS_ERR(mailbox))
 | |
| 		return -ENOMEM;
 | |
| 
 | |
| 	v2p = mailbox->buf;
 | |
| 	v2p->v_port1 = cpu_to_be32(port1);
 | |
| 	v2p->v_port2 = cpu_to_be32(port2);
 | |
| 
 | |
| 	err = mlx4_cmd(dev, mailbox->dma, 0,
 | |
| 		       MLX4_SET_PORT_VIRT2PHY, MLX4_CMD_VIRT_PORT_MAP,
 | |
| 		       MLX4_CMD_TIME_CLASS_B, MLX4_CMD_NATIVE);
 | |
| 
 | |
| 	mlx4_free_cmd_mailbox(dev, mailbox);
 | |
| 	return err;
 | |
| }
 | |
| 
 | |
| 
 | |
| int mlx4_SET_ICM_SIZE(struct mlx4_dev *dev, u64 icm_size, u64 *aux_pages)
 | |
| {
 | |
| 	int ret = mlx4_cmd_imm(dev, icm_size, aux_pages, 0, 0,
 | |
| 			       MLX4_CMD_SET_ICM_SIZE,
 | |
| 			       MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE);
 | |
| 	if (ret)
 | |
| 		return ret;
 | |
| 
 | |
| 	/*
 | |
| 	 * Round up number of system pages needed in case
 | |
| 	 * MLX4_ICM_PAGE_SIZE < PAGE_SIZE.
 | |
| 	 */
 | |
| 	*aux_pages = ALIGN(*aux_pages, PAGE_SIZE / MLX4_ICM_PAGE_SIZE) >>
 | |
| 		(PAGE_SHIFT - MLX4_ICM_PAGE_SHIFT);
 | |
| 
 | |
| 	return 0;
 | |
| }
 | |
| 
 | |
| int mlx4_NOP(struct mlx4_dev *dev)
 | |
| {
 | |
| 	/* Input modifier of 0x1f means "finish as soon as possible." */
 | |
| 	return mlx4_cmd(dev, 0, 0x1f, 0, MLX4_CMD_NOP, MLX4_CMD_TIME_CLASS_A,
 | |
| 			MLX4_CMD_NATIVE);
 | |
| }
 | |
| 
 | |
| int mlx4_query_diag_counters(struct mlx4_dev *dev, u8 op_modifier,
 | |
| 			     const u32 offset[],
 | |
| 			     u32 value[], size_t array_len, u8 port)
 | |
| {
 | |
| 	struct mlx4_cmd_mailbox *mailbox;
 | |
| 	u32 *outbox;
 | |
| 	size_t i;
 | |
| 	int ret;
 | |
| 
 | |
| 	mailbox = mlx4_alloc_cmd_mailbox(dev);
 | |
| 	if (IS_ERR(mailbox))
 | |
| 		return PTR_ERR(mailbox);
 | |
| 
 | |
| 	outbox = mailbox->buf;
 | |
| 
 | |
| 	ret = mlx4_cmd_box(dev, 0, mailbox->dma, port, op_modifier,
 | |
| 			   MLX4_CMD_DIAG_RPRT, MLX4_CMD_TIME_CLASS_A,
 | |
| 			   MLX4_CMD_NATIVE);
 | |
| 	if (ret)
 | |
| 		goto out;
 | |
| 
 | |
| 	for (i = 0; i < array_len; i++) {
 | |
| 		if (offset[i] > MLX4_MAILBOX_SIZE) {
 | |
| 			ret = -EINVAL;
 | |
| 			goto out;
 | |
| 		}
 | |
| 
 | |
| 		MLX4_GET(value[i], outbox, offset[i]);
 | |
| 	}
 | |
| 
 | |
| out:
 | |
| 	mlx4_free_cmd_mailbox(dev, mailbox);
 | |
| 	return ret;
 | |
| }
 | |
| EXPORT_SYMBOL(mlx4_query_diag_counters);
 | |
| 
 | |
| int mlx4_get_phys_port_id(struct mlx4_dev *dev)
 | |
| {
 | |
| 	u8 port;
 | |
| 	u32 *outbox;
 | |
| 	struct mlx4_cmd_mailbox *mailbox;
 | |
| 	u32 in_mod;
 | |
| 	u32 guid_hi, guid_lo;
 | |
| 	int err, ret = 0;
 | |
| #define MOD_STAT_CFG_PORT_OFFSET 8
 | |
| #define MOD_STAT_CFG_GUID_H	 0X14
 | |
| #define MOD_STAT_CFG_GUID_L	 0X1c
 | |
| 
 | |
| 	mailbox = mlx4_alloc_cmd_mailbox(dev);
 | |
| 	if (IS_ERR(mailbox))
 | |
| 		return PTR_ERR(mailbox);
 | |
| 	outbox = mailbox->buf;
 | |
| 
 | |
| 	for (port = 1; port <= dev->caps.num_ports; port++) {
 | |
| 		in_mod = port << MOD_STAT_CFG_PORT_OFFSET;
 | |
| 		err = mlx4_cmd_box(dev, 0, mailbox->dma, in_mod, 0x2,
 | |
| 				   MLX4_CMD_MOD_STAT_CFG, MLX4_CMD_TIME_CLASS_A,
 | |
| 				   MLX4_CMD_NATIVE);
 | |
| 		if (err) {
 | |
| 			mlx4_err(dev, "Fail to get port %d uplink guid\n",
 | |
| 				 port);
 | |
| 			ret = err;
 | |
| 		} else {
 | |
| 			MLX4_GET(guid_hi, outbox, MOD_STAT_CFG_GUID_H);
 | |
| 			MLX4_GET(guid_lo, outbox, MOD_STAT_CFG_GUID_L);
 | |
| 			dev->caps.phys_port_id[port] = (u64)guid_lo |
 | |
| 						       (u64)guid_hi << 32;
 | |
| 		}
 | |
| 	}
 | |
| 	mlx4_free_cmd_mailbox(dev, mailbox);
 | |
| 	return ret;
 | |
| }
 | |
| 
 | |
| #define MLX4_WOL_SETUP_MODE (5 << 28)
 | |
| int mlx4_wol_read(struct mlx4_dev *dev, u64 *config, int port)
 | |
| {
 | |
| 	u32 in_mod = MLX4_WOL_SETUP_MODE | port << 8;
 | |
| 
 | |
| 	return mlx4_cmd_imm(dev, 0, config, in_mod, 0x3,
 | |
| 			    MLX4_CMD_MOD_STAT_CFG, MLX4_CMD_TIME_CLASS_A,
 | |
| 			    MLX4_CMD_NATIVE);
 | |
| }
 | |
| EXPORT_SYMBOL_GPL(mlx4_wol_read);
 | |
| 
 | |
| int mlx4_wol_write(struct mlx4_dev *dev, u64 config, int port)
 | |
| {
 | |
| 	u32 in_mod = MLX4_WOL_SETUP_MODE | port << 8;
 | |
| 
 | |
| 	return mlx4_cmd(dev, config, in_mod, 0x1, MLX4_CMD_MOD_STAT_CFG,
 | |
| 			MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE);
 | |
| }
 | |
| EXPORT_SYMBOL_GPL(mlx4_wol_write);
 | |
| 
 | |
| enum {
 | |
| 	ADD_TO_MCG = 0x26,
 | |
| };
 | |
| 
 | |
| 
 | |
| void mlx4_opreq_action(struct work_struct *work)
 | |
| {
 | |
| 	struct mlx4_priv *priv = container_of(work, struct mlx4_priv,
 | |
| 					      opreq_task);
 | |
| 	struct mlx4_dev *dev = &priv->dev;
 | |
| 	int num_tasks = atomic_read(&priv->opreq_count);
 | |
| 	struct mlx4_cmd_mailbox *mailbox;
 | |
| 	struct mlx4_mgm *mgm;
 | |
| 	u32 *outbox;
 | |
| 	u32 modifier;
 | |
| 	u16 token;
 | |
| 	u16 type;
 | |
| 	int err;
 | |
| 	u32 num_qps;
 | |
| 	struct mlx4_qp qp;
 | |
| 	int i;
 | |
| 	u8 rem_mcg;
 | |
| 	u8 prot;
 | |
| 
 | |
| #define GET_OP_REQ_MODIFIER_OFFSET	0x08
 | |
| #define GET_OP_REQ_TOKEN_OFFSET		0x14
 | |
| #define GET_OP_REQ_TYPE_OFFSET		0x1a
 | |
| #define GET_OP_REQ_DATA_OFFSET		0x20
 | |
| 
 | |
| 	mailbox = mlx4_alloc_cmd_mailbox(dev);
 | |
| 	if (IS_ERR(mailbox)) {
 | |
| 		mlx4_err(dev, "Failed to allocate mailbox for GET_OP_REQ\n");
 | |
| 		return;
 | |
| 	}
 | |
| 	outbox = mailbox->buf;
 | |
| 
 | |
| 	while (num_tasks) {
 | |
| 		err = mlx4_cmd_box(dev, 0, mailbox->dma, 0, 0,
 | |
| 				   MLX4_CMD_GET_OP_REQ, MLX4_CMD_TIME_CLASS_A,
 | |
| 				   MLX4_CMD_NATIVE);
 | |
| 		if (err) {
 | |
| 			mlx4_err(dev, "Failed to retrieve required operation: %d\n",
 | |
| 				 err);
 | |
| 			goto out;
 | |
| 		}
 | |
| 		MLX4_GET(modifier, outbox, GET_OP_REQ_MODIFIER_OFFSET);
 | |
| 		MLX4_GET(token, outbox, GET_OP_REQ_TOKEN_OFFSET);
 | |
| 		MLX4_GET(type, outbox, GET_OP_REQ_TYPE_OFFSET);
 | |
| 		type &= 0xfff;
 | |
| 
 | |
| 		switch (type) {
 | |
| 		case ADD_TO_MCG:
 | |
| 			if (dev->caps.steering_mode ==
 | |
| 			    MLX4_STEERING_MODE_DEVICE_MANAGED) {
 | |
| 				mlx4_warn(dev, "ADD MCG operation is not supported in DEVICE_MANAGED steering mode\n");
 | |
| 				err = EPERM;
 | |
| 				break;
 | |
| 			}
 | |
| 			mgm = (struct mlx4_mgm *)((u8 *)(outbox) +
 | |
| 						  GET_OP_REQ_DATA_OFFSET);
 | |
| 			num_qps = be32_to_cpu(mgm->members_count) &
 | |
| 				  MGM_QPN_MASK;
 | |
| 			rem_mcg = ((u8 *)(&mgm->members_count))[0] & 1;
 | |
| 			prot = ((u8 *)(&mgm->members_count))[0] >> 6;
 | |
| 
 | |
| 			for (i = 0; i < num_qps; i++) {
 | |
| 				qp.qpn = be32_to_cpu(mgm->qp[i]);
 | |
| 				if (rem_mcg)
 | |
| 					err = mlx4_multicast_detach(dev, &qp,
 | |
| 								    mgm->gid,
 | |
| 								    prot, 0);
 | |
| 				else
 | |
| 					err = mlx4_multicast_attach(dev, &qp,
 | |
| 								    mgm->gid,
 | |
| 								    mgm->gid[5]
 | |
| 								    , 0, prot,
 | |
| 								    NULL);
 | |
| 				if (err)
 | |
| 					break;
 | |
| 			}
 | |
| 			break;
 | |
| 		default:
 | |
| 			mlx4_warn(dev, "Bad type for required operation\n");
 | |
| 			err = EINVAL;
 | |
| 			break;
 | |
| 		}
 | |
| 		err = mlx4_cmd(dev, 0, ((u32) err |
 | |
| 					(__force u32)cpu_to_be32(token) << 16),
 | |
| 			       1, MLX4_CMD_GET_OP_REQ, MLX4_CMD_TIME_CLASS_A,
 | |
| 			       MLX4_CMD_NATIVE);
 | |
| 		if (err) {
 | |
| 			mlx4_err(dev, "Failed to acknowledge required request: %d\n",
 | |
| 				 err);
 | |
| 			goto out;
 | |
| 		}
 | |
| 		memset(outbox, 0, 0xffc);
 | |
| 		num_tasks = atomic_dec_return(&priv->opreq_count);
 | |
| 	}
 | |
| 
 | |
| out:
 | |
| 	mlx4_free_cmd_mailbox(dev, mailbox);
 | |
| }
 | |
| 
 | |
| static int mlx4_check_smp_firewall_active(struct mlx4_dev *dev,
 | |
| 					  struct mlx4_cmd_mailbox *mailbox)
 | |
| {
 | |
| #define MLX4_CMD_MAD_DEMUX_SET_ATTR_OFFSET		0x10
 | |
| #define MLX4_CMD_MAD_DEMUX_GETRESP_ATTR_OFFSET		0x20
 | |
| #define MLX4_CMD_MAD_DEMUX_TRAP_ATTR_OFFSET		0x40
 | |
| #define MLX4_CMD_MAD_DEMUX_TRAP_REPRESS_ATTR_OFFSET	0x70
 | |
| 
 | |
| 	u32 set_attr_mask, getresp_attr_mask;
 | |
| 	u32 trap_attr_mask, traprepress_attr_mask;
 | |
| 
 | |
| 	MLX4_GET(set_attr_mask, mailbox->buf,
 | |
| 		 MLX4_CMD_MAD_DEMUX_SET_ATTR_OFFSET);
 | |
| 	mlx4_dbg(dev, "SMP firewall set_attribute_mask = 0x%x\n",
 | |
| 		 set_attr_mask);
 | |
| 
 | |
| 	MLX4_GET(getresp_attr_mask, mailbox->buf,
 | |
| 		 MLX4_CMD_MAD_DEMUX_GETRESP_ATTR_OFFSET);
 | |
| 	mlx4_dbg(dev, "SMP firewall getresp_attribute_mask = 0x%x\n",
 | |
| 		 getresp_attr_mask);
 | |
| 
 | |
| 	MLX4_GET(trap_attr_mask, mailbox->buf,
 | |
| 		 MLX4_CMD_MAD_DEMUX_TRAP_ATTR_OFFSET);
 | |
| 	mlx4_dbg(dev, "SMP firewall trap_attribute_mask = 0x%x\n",
 | |
| 		 trap_attr_mask);
 | |
| 
 | |
| 	MLX4_GET(traprepress_attr_mask, mailbox->buf,
 | |
| 		 MLX4_CMD_MAD_DEMUX_TRAP_REPRESS_ATTR_OFFSET);
 | |
| 	mlx4_dbg(dev, "SMP firewall traprepress_attribute_mask = 0x%x\n",
 | |
| 		 traprepress_attr_mask);
 | |
| 
 | |
| 	if (set_attr_mask && getresp_attr_mask && trap_attr_mask &&
 | |
| 	    traprepress_attr_mask)
 | |
| 		return 1;
 | |
| 
 | |
| 	return 0;
 | |
| }
 | |
| 
 | |
| int mlx4_config_mad_demux(struct mlx4_dev *dev)
 | |
| {
 | |
| 	struct mlx4_cmd_mailbox *mailbox;
 | |
| 	int err;
 | |
| 
 | |
| 	/* Check if mad_demux is supported */
 | |
| 	if (!(dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_MAD_DEMUX))
 | |
| 		return 0;
 | |
| 
 | |
| 	mailbox = mlx4_alloc_cmd_mailbox(dev);
 | |
| 	if (IS_ERR(mailbox)) {
 | |
| 		mlx4_warn(dev, "Failed to allocate mailbox for cmd MAD_DEMUX");
 | |
| 		return -ENOMEM;
 | |
| 	}
 | |
| 
 | |
| 	/* Query mad_demux to find out which MADs are handled by internal sma */
 | |
| 	err = mlx4_cmd_box(dev, 0, mailbox->dma, 0x01 /* subn mgmt class */,
 | |
| 			   MLX4_CMD_MAD_DEMUX_QUERY_RESTR, MLX4_CMD_MAD_DEMUX,
 | |
| 			   MLX4_CMD_TIME_CLASS_B, MLX4_CMD_NATIVE);
 | |
| 	if (err) {
 | |
| 		mlx4_warn(dev, "MLX4_CMD_MAD_DEMUX: query restrictions failed (%d)\n",
 | |
| 			  err);
 | |
| 		goto out;
 | |
| 	}
 | |
| 
 | |
| 	if (mlx4_check_smp_firewall_active(dev, mailbox))
 | |
| 		dev->flags |= MLX4_FLAG_SECURE_HOST;
 | |
| 
 | |
| 	/* Config mad_demux to handle all MADs returned by the query above */
 | |
| 	err = mlx4_cmd(dev, mailbox->dma, 0x01 /* subn mgmt class */,
 | |
| 		       MLX4_CMD_MAD_DEMUX_CONFIG, MLX4_CMD_MAD_DEMUX,
 | |
| 		       MLX4_CMD_TIME_CLASS_B, MLX4_CMD_NATIVE);
 | |
| 	if (err) {
 | |
| 		mlx4_warn(dev, "MLX4_CMD_MAD_DEMUX: configure failed (%d)\n", err);
 | |
| 		goto out;
 | |
| 	}
 | |
| 
 | |
| 	if (dev->flags & MLX4_FLAG_SECURE_HOST)
 | |
| 		mlx4_warn(dev, "HCA operating in secure-host mode. SMP firewall activated.\n");
 | |
| out:
 | |
| 	mlx4_free_cmd_mailbox(dev, mailbox);
 | |
| 	return err;
 | |
| }
 | |
| 
 | |
| /* Access Reg commands */
 | |
| enum mlx4_access_reg_masks {
 | |
| 	MLX4_ACCESS_REG_STATUS_MASK = 0x7f,
 | |
| 	MLX4_ACCESS_REG_METHOD_MASK = 0x7f,
 | |
| 	MLX4_ACCESS_REG_LEN_MASK = 0x7ff
 | |
| };
 | |
| 
 | |
| struct mlx4_access_reg {
 | |
| 	__be16 constant1;
 | |
| 	u8 status;
 | |
| 	u8 resrvd1;
 | |
| 	__be16 reg_id;
 | |
| 	u8 method;
 | |
| 	u8 constant2;
 | |
| 	__be32 resrvd2[2];
 | |
| 	__be16 len_const;
 | |
| 	__be16 resrvd3;
 | |
| #define MLX4_ACCESS_REG_HEADER_SIZE (20)
 | |
| 	u8 reg_data[MLX4_MAILBOX_SIZE-MLX4_ACCESS_REG_HEADER_SIZE];
 | |
| } __attribute__((__packed__));
 | |
| 
 | |
| /**
 | |
|  * mlx4_ACCESS_REG - Generic access reg command.
 | |
|  * @dev: mlx4_dev.
 | |
|  * @reg_id: register ID to access.
 | |
|  * @method: Access method Read/Write.
 | |
|  * @reg_len: register length to Read/Write in bytes.
 | |
|  * @reg_data: reg_data pointer to Read/Write From/To.
 | |
|  *
 | |
|  * Access ConnectX registers FW command.
 | |
|  * Returns 0 on success and copies outbox mlx4_access_reg data
 | |
|  * field into reg_data or a negative error code.
 | |
|  */
 | |
| static int mlx4_ACCESS_REG(struct mlx4_dev *dev, u16 reg_id,
 | |
| 			   enum mlx4_access_reg_method method,
 | |
| 			   u16 reg_len, void *reg_data)
 | |
| {
 | |
| 	struct mlx4_cmd_mailbox *inbox, *outbox;
 | |
| 	struct mlx4_access_reg *inbuf, *outbuf;
 | |
| 	int err;
 | |
| 
 | |
| 	inbox = mlx4_alloc_cmd_mailbox(dev);
 | |
| 	if (IS_ERR(inbox))
 | |
| 		return PTR_ERR(inbox);
 | |
| 
 | |
| 	outbox = mlx4_alloc_cmd_mailbox(dev);
 | |
| 	if (IS_ERR(outbox)) {
 | |
| 		mlx4_free_cmd_mailbox(dev, inbox);
 | |
| 		return PTR_ERR(outbox);
 | |
| 	}
 | |
| 
 | |
| 	inbuf = inbox->buf;
 | |
| 	outbuf = outbox->buf;
 | |
| 
 | |
| 	inbuf->constant1 = cpu_to_be16(0x1<<11 | 0x4);
 | |
| 	inbuf->constant2 = 0x1;
 | |
| 	inbuf->reg_id = cpu_to_be16(reg_id);
 | |
| 	inbuf->method = method & MLX4_ACCESS_REG_METHOD_MASK;
 | |
| 
 | |
| 	reg_len = min(reg_len, (u16)(sizeof(inbuf->reg_data)));
 | |
| 	inbuf->len_const =
 | |
| 		cpu_to_be16(((reg_len/4 + 1) & MLX4_ACCESS_REG_LEN_MASK) |
 | |
| 			    ((0x3) << 12));
 | |
| 
 | |
| 	memcpy(inbuf->reg_data, reg_data, reg_len);
 | |
| 	err = mlx4_cmd_box(dev, inbox->dma, outbox->dma, 0, 0,
 | |
| 			   MLX4_CMD_ACCESS_REG, MLX4_CMD_TIME_CLASS_C,
 | |
| 			   MLX4_CMD_WRAPPED);
 | |
| 	if (err)
 | |
| 		goto out;
 | |
| 
 | |
| 	if (outbuf->status & MLX4_ACCESS_REG_STATUS_MASK) {
 | |
| 		err = outbuf->status & MLX4_ACCESS_REG_STATUS_MASK;
 | |
| 		mlx4_err(dev,
 | |
| 			 "MLX4_CMD_ACCESS_REG(%x) returned REG status (%x)\n",
 | |
| 			 reg_id, err);
 | |
| 		goto out;
 | |
| 	}
 | |
| 
 | |
| 	memcpy(reg_data, outbuf->reg_data, reg_len);
 | |
| out:
 | |
| 	mlx4_free_cmd_mailbox(dev, inbox);
 | |
| 	mlx4_free_cmd_mailbox(dev, outbox);
 | |
| 	return err;
 | |
| }
 | |
| 
 | |
| /* ConnectX registers IDs */
 | |
| enum mlx4_reg_id {
 | |
| 	MLX4_REG_ID_PTYS = 0x5004,
 | |
| };
 | |
| 
 | |
| /**
 | |
|  * mlx4_ACCESS_PTYS_REG - Access PTYs (Port Type and Speed)
 | |
|  * register
 | |
|  * @dev: mlx4_dev.
 | |
|  * @method: Access method Read/Write.
 | |
|  * @ptys_reg: PTYS register data pointer.
 | |
|  *
 | |
|  * Access ConnectX PTYS register, to Read/Write Port Type/Speed
 | |
|  * configuration
 | |
|  * Returns 0 on success or a negative error code.
 | |
|  */
 | |
| int mlx4_ACCESS_PTYS_REG(struct mlx4_dev *dev,
 | |
| 			 enum mlx4_access_reg_method method,
 | |
| 			 struct mlx4_ptys_reg *ptys_reg)
 | |
| {
 | |
| 	return mlx4_ACCESS_REG(dev, MLX4_REG_ID_PTYS,
 | |
| 			       method, sizeof(*ptys_reg), ptys_reg);
 | |
| }
 | |
| EXPORT_SYMBOL_GPL(mlx4_ACCESS_PTYS_REG);
 | |
| 
 | |
| int mlx4_ACCESS_REG_wrapper(struct mlx4_dev *dev, int slave,
 | |
| 			    struct mlx4_vhcr *vhcr,
 | |
| 			    struct mlx4_cmd_mailbox *inbox,
 | |
| 			    struct mlx4_cmd_mailbox *outbox,
 | |
| 			    struct mlx4_cmd_info *cmd)
 | |
| {
 | |
| 	struct mlx4_access_reg *inbuf = inbox->buf;
 | |
| 	u8 method = inbuf->method & MLX4_ACCESS_REG_METHOD_MASK;
 | |
| 	u16 reg_id = be16_to_cpu(inbuf->reg_id);
 | |
| 
 | |
| 	if (slave != mlx4_master_func_num(dev) &&
 | |
| 	    method == MLX4_ACCESS_REG_WRITE)
 | |
| 		return -EPERM;
 | |
| 
 | |
| 	if (reg_id == MLX4_REG_ID_PTYS) {
 | |
| 		struct mlx4_ptys_reg *ptys_reg =
 | |
| 			(struct mlx4_ptys_reg *)inbuf->reg_data;
 | |
| 
 | |
| 		ptys_reg->local_port =
 | |
| 			mlx4_slave_convert_port(dev, slave,
 | |
| 						ptys_reg->local_port);
 | |
| 	}
 | |
| 
 | |
| 	return mlx4_cmd_box(dev, inbox->dma, outbox->dma, vhcr->in_modifier,
 | |
| 			    0, MLX4_CMD_ACCESS_REG, MLX4_CMD_TIME_CLASS_C,
 | |
| 			    MLX4_CMD_NATIVE);
 | |
| }
 | |
| 
 | |
| static int mlx4_SET_PORT_phv_bit(struct mlx4_dev *dev, u8 port, u8 phv_bit)
 | |
| {
 | |
| #define SET_PORT_GEN_PHV_VALID	0x10
 | |
| #define SET_PORT_GEN_PHV_EN	0x80
 | |
| 
 | |
| 	struct mlx4_cmd_mailbox *mailbox;
 | |
| 	struct mlx4_set_port_general_context *context;
 | |
| 	u32 in_mod;
 | |
| 	int err;
 | |
| 
 | |
| 	mailbox = mlx4_alloc_cmd_mailbox(dev);
 | |
| 	if (IS_ERR(mailbox))
 | |
| 		return PTR_ERR(mailbox);
 | |
| 	context = mailbox->buf;
 | |
| 
 | |
| 	context->flags2 |=  SET_PORT_GEN_PHV_VALID;
 | |
| 	if (phv_bit)
 | |
| 		context->phv_en |=  SET_PORT_GEN_PHV_EN;
 | |
| 
 | |
| 	in_mod = MLX4_SET_PORT_GENERAL << 8 | port;
 | |
| 	err = mlx4_cmd(dev, mailbox->dma, in_mod, MLX4_SET_PORT_ETH_OPCODE,
 | |
| 		       MLX4_CMD_SET_PORT, MLX4_CMD_TIME_CLASS_B,
 | |
| 		       MLX4_CMD_NATIVE);
 | |
| 
 | |
| 	mlx4_free_cmd_mailbox(dev, mailbox);
 | |
| 	return err;
 | |
| }
 | |
| 
 | |
| int get_phv_bit(struct mlx4_dev *dev, u8 port, int *phv)
 | |
| {
 | |
| 	int err;
 | |
| 	struct mlx4_func_cap func_cap;
 | |
| 
 | |
| 	memset(&func_cap, 0, sizeof(func_cap));
 | |
| 	err = mlx4_QUERY_FUNC_CAP(dev, port, &func_cap);
 | |
| 	if (!err)
 | |
| 		*phv = func_cap.flags0 & QUERY_FUNC_CAP_PHV_BIT;
 | |
| 	return err;
 | |
| }
 | |
| EXPORT_SYMBOL(get_phv_bit);
 | |
| 
 | |
| int set_phv_bit(struct mlx4_dev *dev, u8 port, int new_val)
 | |
| {
 | |
| 	int ret;
 | |
| 
 | |
| 	if (mlx4_is_slave(dev))
 | |
| 		return -EPERM;
 | |
| 
 | |
| 	if (dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_PHV_EN &&
 | |
| 	    !(dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_SKIP_OUTER_VLAN)) {
 | |
| 		ret = mlx4_SET_PORT_phv_bit(dev, port, new_val);
 | |
| 		if (!ret)
 | |
| 			dev->caps.phv_bit[port] = new_val;
 | |
| 		return ret;
 | |
| 	}
 | |
| 
 | |
| 	return -EOPNOTSUPP;
 | |
| }
 | |
| EXPORT_SYMBOL(set_phv_bit);
 | |
| 
 | |
| int mlx4_get_is_vlan_offload_disabled(struct mlx4_dev *dev, u8 port,
 | |
| 				      bool *vlan_offload_disabled)
 | |
| {
 | |
| 	struct mlx4_func_cap func_cap;
 | |
| 	int err;
 | |
| 
 | |
| 	memset(&func_cap, 0, sizeof(func_cap));
 | |
| 	err = mlx4_QUERY_FUNC_CAP(dev, port, &func_cap);
 | |
| 	if (!err)
 | |
| 		*vlan_offload_disabled =
 | |
| 			!!(func_cap.flags0 &
 | |
| 			   QUERY_FUNC_CAP_VLAN_OFFLOAD_DISABLE);
 | |
| 	return err;
 | |
| }
 | |
| EXPORT_SYMBOL(mlx4_get_is_vlan_offload_disabled);
 | |
| 
 | |
| void mlx4_replace_zero_macs(struct mlx4_dev *dev)
 | |
| {
 | |
| 	int i;
 | |
| 	u8 mac_addr[ETH_ALEN];
 | |
| 
 | |
| 	dev->port_random_macs = 0;
 | |
| 	for (i = 1; i <= dev->caps.num_ports; ++i)
 | |
| 		if (!dev->caps.def_mac[i] &&
 | |
| 		    dev->caps.port_type[i] == MLX4_PORT_TYPE_ETH) {
 | |
| 			eth_random_addr(mac_addr);
 | |
| 			dev->port_random_macs |= 1 << i;
 | |
| 			dev->caps.def_mac[i] = ether_addr_to_u64(mac_addr);
 | |
| 		}
 | |
| }
 | |
| EXPORT_SYMBOL_GPL(mlx4_replace_zero_macs);
 |