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WSL2-Linux-Kernel
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net/mlx5_core: Use hardware registers description header file 

Add an auto generated header file that describes hardware registers along with
set of macros that set/get values. The macros do static checks to avoid
overflow, handle endianess, and overall provide a clean way to code commands.
Currently the header file is small and we will add structs as we make use of
the macros.
A few commands were removed from the commands enum since they are not supported
currently and will be added when support is available.

Signed-off-by: Eli Cohen <eli@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Eli Cohen 2014-10-02 12:19:43 +03:00 коммит произвёл David S. Miller
Родитель c7a08ac7ee
Коммит d29b796ada
5 изменённых файлов: 188 добавлений и 114 удалений
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36
drivers/net/ethernet/mellanox/mlx5/core/cmd.c
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@ -357,60 +357,24 @@ const char *mlx5_command_str(int command)
case MLX5_CMD_OP_2ERR_QP:
return "2ERR_QP";
case MLX5_CMD_OP_RTS2SQD_QP:
return "RTS2SQD_QP";
case MLX5_CMD_OP_SQD2RTS_QP:
return "SQD2RTS_QP";
case MLX5_CMD_OP_2RST_QP:
return "2RST_QP";
case MLX5_CMD_OP_QUERY_QP:
return "QUERY_QP";
case MLX5_CMD_OP_CONF_SQP:
return "CONF_SQP";
case MLX5_CMD_OP_MAD_IFC:
return "MAD_IFC";
case MLX5_CMD_OP_INIT2INIT_QP:
return "INIT2INIT_QP";
case MLX5_CMD_OP_SUSPEND_QP:
return "SUSPEND_QP";
case MLX5_CMD_OP_UNSUSPEND_QP:
return "UNSUSPEND_QP";
case MLX5_CMD_OP_SQD2SQD_QP:
return "SQD2SQD_QP";
case MLX5_CMD_OP_ALLOC_QP_COUNTER_SET:
return "ALLOC_QP_COUNTER_SET";
case MLX5_CMD_OP_DEALLOC_QP_COUNTER_SET:
return "DEALLOC_QP_COUNTER_SET";
case MLX5_CMD_OP_QUERY_QP_COUNTER_SET:
return "QUERY_QP_COUNTER_SET";
case MLX5_CMD_OP_CREATE_PSV:
return "CREATE_PSV";
case MLX5_CMD_OP_DESTROY_PSV:
return "DESTROY_PSV";
case MLX5_CMD_OP_QUERY_PSV:
return "QUERY_PSV";
case MLX5_CMD_OP_QUERY_SIG_RULE_TABLE:
return "QUERY_SIG_RULE_TABLE";
case MLX5_CMD_OP_QUERY_BLOCK_SIZE_TABLE:
return "QUERY_BLOCK_SIZE_TABLE";
case MLX5_CMD_OP_CREATE_SRQ:
return "CREATE_SRQ";

3
drivers/net/ethernet/mellanox/mlx5/core/qp.c
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@ -184,13 +184,10 @@ int mlx5_core_qp_modify(struct mlx5_core_dev *dev, enum mlx5_qp_state cur_state,
[MLX5_QP_STATE_RST] = MLX5_CMD_OP_2RST_QP,
[MLX5_QP_STATE_ERR] = MLX5_CMD_OP_2ERR_QP,
[MLX5_QP_STATE_RTS] = MLX5_CMD_OP_RTS2RTS_QP,
[MLX5_QP_STATE_SQD] = MLX5_CMD_OP_RTS2SQD_QP,
},
[MLX5_QP_STATE_SQD] = {
[MLX5_QP_STATE_RST] = MLX5_CMD_OP_2RST_QP,
[MLX5_QP_STATE_ERR] = MLX5_CMD_OP_2ERR_QP,
[MLX5_QP_STATE_RTS] = MLX5_CMD_OP_SQD2RTS_QP,
[MLX5_QP_STATE_SQD] = MLX5_CMD_OP_SQD2SQD_QP,
},
[MLX5_QP_STATE_SQER] = {
[MLX5_QP_STATE_RST] = MLX5_CMD_OP_2RST_QP,

44
include/linux/mlx5/device.h
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@ -44,6 +44,50 @@
#error Host endianness not defined
#endif
/* helper macros */
#define __mlx5_nullp(typ) ((struct mlx5_ifc_##typ##_bits *)0)
#define __mlx5_bit_sz(typ, fld) sizeof(__mlx5_nullp(typ)->fld)
#define __mlx5_bit_off(typ, fld) ((unsigned)(unsigned long)(&(__mlx5_nullp(typ)->fld)))
#define __mlx5_dw_off(typ, fld) (__mlx5_bit_off(typ, fld) / 32)
#define __mlx5_64_off(typ, fld) (__mlx5_bit_off(typ, fld) / 64)
#define __mlx5_dw_bit_off(typ, fld) (32 - __mlx5_bit_sz(typ, fld) - (__mlx5_bit_off(typ, fld) & 0x1f))
#define __mlx5_mask(typ, fld) ((u32)((1ull << __mlx5_bit_sz(typ, fld)) - 1))
#define __mlx5_dw_mask(typ, fld) (__mlx5_mask(typ, fld) << __mlx5_dw_bit_off(typ, fld))
#define __mlx5_st_sz_bits(typ) sizeof(struct mlx5_ifc_##typ##_bits)
#define MLX5_FLD_SZ_BYTES(typ, fld) (__mlx5_bit_sz(typ, fld) / 8)
#define MLX5_ST_SZ_BYTES(typ) (sizeof(struct mlx5_ifc_##typ##_bits) / 8)
#define MLX5_ST_SZ_DW(typ) (sizeof(struct mlx5_ifc_##typ##_bits) / 32)
#define MLX5_BYTE_OFF(typ, fld) (__mlx5_bit_off(typ, fld) / 8)
#define MLX5_ADDR_OF(typ, p, fld) ((char *)(p) + MLX5_BYTE_OFF(typ, fld))
/* insert a value to a struct */
#define MLX5_SET(typ, p, fld, v) do { \
BUILD_BUG_ON(__mlx5_st_sz_bits(typ) % 32); \
*((__be32 *)(p) + __mlx5_dw_off(typ, fld)) = \
cpu_to_be32((be32_to_cpu(*((__be32 *)(p) + __mlx5_dw_off(typ, fld))) & \
(~__mlx5_dw_mask(typ, fld))) | (((v) & __mlx5_mask(typ, fld)) \
<< __mlx5_dw_bit_off(typ, fld))); \
} while (0)
#define MLX5_GET(typ, p, fld) ((be32_to_cpu(*((__be32 *)(p) +\
__mlx5_dw_off(typ, fld))) >> __mlx5_dw_bit_off(typ, fld)) & \
__mlx5_mask(typ, fld))
#define MLX5_GET_PR(typ, p, fld) ({ \
u32 ___t = MLX5_GET(typ, p, fld); \
pr_debug(#fld " = 0x%x\n", ___t); \
___t; \
})
#define MLX5_SET64(typ, p, fld, v) do { \
BUILD_BUG_ON(__mlx5_bit_sz(typ, fld) != 64); \
BUILD_BUG_ON(__mlx5_bit_off(typ, fld) % 64); \
*((__be64 *)(p) + __mlx5_64_off(typ, fld)) = cpu_to_be64(v); \
} while (0)
#define MLX5_GET64(typ, p, fld) be64_to_cpu(*((__be64 *)(p) + __mlx5_64_off(typ, fld)))
enum {
MLX5_MAX_COMMANDS = 32,
MLX5_CMD_DATA_BLOCK_SIZE = 512,

76
include/linux/mlx5/driver.h
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@ -44,6 +44,7 @@
#include <linux/mlx5/device.h>
#include <linux/mlx5/doorbell.h>
#include <linux/mlx5/mlx5_ifc.h>
enum {
MLX5_BOARD_ID_LEN = 64,
@ -98,81 +99,6 @@ enum {
MLX5_ATOMIC_MODE_256B = 8 << 16,
};
enum {
MLX5_CMD_OP_QUERY_HCA_CAP = 0x100,
MLX5_CMD_OP_QUERY_ADAPTER = 0x101,
MLX5_CMD_OP_INIT_HCA = 0x102,
MLX5_CMD_OP_TEARDOWN_HCA = 0x103,
MLX5_CMD_OP_ENABLE_HCA = 0x104,
MLX5_CMD_OP_DISABLE_HCA = 0x105,
MLX5_CMD_OP_QUERY_PAGES = 0x107,
MLX5_CMD_OP_MANAGE_PAGES = 0x108,
MLX5_CMD_OP_SET_HCA_CAP = 0x109,
MLX5_CMD_OP_CREATE_MKEY = 0x200,
MLX5_CMD_OP_QUERY_MKEY = 0x201,
MLX5_CMD_OP_DESTROY_MKEY = 0x202,
MLX5_CMD_OP_QUERY_SPECIAL_CONTEXTS = 0x203,
MLX5_CMD_OP_CREATE_EQ = 0x301,
MLX5_CMD_OP_DESTROY_EQ = 0x302,
MLX5_CMD_OP_QUERY_EQ = 0x303,
MLX5_CMD_OP_CREATE_CQ = 0x400,
MLX5_CMD_OP_DESTROY_CQ = 0x401,
MLX5_CMD_OP_QUERY_CQ = 0x402,
MLX5_CMD_OP_MODIFY_CQ = 0x403,
MLX5_CMD_OP_CREATE_QP = 0x500,
MLX5_CMD_OP_DESTROY_QP = 0x501,
MLX5_CMD_OP_RST2INIT_QP = 0x502,
MLX5_CMD_OP_INIT2RTR_QP = 0x503,
MLX5_CMD_OP_RTR2RTS_QP = 0x504,
MLX5_CMD_OP_RTS2RTS_QP = 0x505,
MLX5_CMD_OP_SQERR2RTS_QP = 0x506,
MLX5_CMD_OP_2ERR_QP = 0x507,
MLX5_CMD_OP_RTS2SQD_QP = 0x508,
MLX5_CMD_OP_SQD2RTS_QP = 0x509,
MLX5_CMD_OP_2RST_QP = 0x50a,
MLX5_CMD_OP_QUERY_QP = 0x50b,
MLX5_CMD_OP_CONF_SQP = 0x50c,
MLX5_CMD_OP_MAD_IFC = 0x50d,
MLX5_CMD_OP_INIT2INIT_QP = 0x50e,
MLX5_CMD_OP_SUSPEND_QP = 0x50f,
MLX5_CMD_OP_UNSUSPEND_QP = 0x510,
MLX5_CMD_OP_SQD2SQD_QP = 0x511,
MLX5_CMD_OP_ALLOC_QP_COUNTER_SET = 0x512,
MLX5_CMD_OP_DEALLOC_QP_COUNTER_SET = 0x513,
MLX5_CMD_OP_QUERY_QP_COUNTER_SET = 0x514,
MLX5_CMD_OP_CREATE_PSV = 0x600,
MLX5_CMD_OP_DESTROY_PSV = 0x601,
MLX5_CMD_OP_QUERY_PSV = 0x602,
MLX5_CMD_OP_QUERY_SIG_RULE_TABLE = 0x603,
MLX5_CMD_OP_QUERY_BLOCK_SIZE_TABLE = 0x604,
MLX5_CMD_OP_CREATE_SRQ = 0x700,
MLX5_CMD_OP_DESTROY_SRQ = 0x701,
MLX5_CMD_OP_QUERY_SRQ = 0x702,
MLX5_CMD_OP_ARM_RQ = 0x703,
MLX5_CMD_OP_RESIZE_SRQ = 0x704,
MLX5_CMD_OP_ALLOC_PD = 0x800,
MLX5_CMD_OP_DEALLOC_PD = 0x801,
MLX5_CMD_OP_ALLOC_UAR = 0x802,
MLX5_CMD_OP_DEALLOC_UAR = 0x803,
MLX5_CMD_OP_ATTACH_TO_MCG = 0x806,
MLX5_CMD_OP_DETACH_FROM_MCG = 0x807,
MLX5_CMD_OP_ALLOC_XRCD = 0x80e,
MLX5_CMD_OP_DEALLOC_XRCD = 0x80f,
MLX5_CMD_OP_ACCESS_REG = 0x805,
MLX5_CMD_OP_MAX = 0x810,
};
enum {
MLX5_REG_PCAP = 0x5001,
MLX5_REG_PMTU = 0x5003,

143
include/linux/mlx5/mlx5_ifc.h Normal file
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@ -0,0 +1,143 @@
/*
* Copyright (c) 2014, Mellanox Technologies 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.
*/
#ifndef MLX5_IFC_H
#define MLX5_IFC_H
enum {
MLX5_CMD_OP_QUERY_HCA_CAP = 0x100,
MLX5_CMD_OP_QUERY_ADAPTER = 0x101,
MLX5_CMD_OP_INIT_HCA = 0x102,
MLX5_CMD_OP_TEARDOWN_HCA = 0x103,
MLX5_CMD_OP_ENABLE_HCA = 0x104,
MLX5_CMD_OP_DISABLE_HCA = 0x105,
MLX5_CMD_OP_QUERY_PAGES = 0x107,
MLX5_CMD_OP_MANAGE_PAGES = 0x108,
MLX5_CMD_OP_SET_HCA_CAP = 0x109,
MLX5_CMD_OP_CREATE_MKEY = 0x200,
MLX5_CMD_OP_QUERY_MKEY = 0x201,
MLX5_CMD_OP_DESTROY_MKEY = 0x202,
MLX5_CMD_OP_QUERY_SPECIAL_CONTEXTS = 0x203,
MLX5_CMD_OP_PAGE_FAULT_RESUME = 0x204,
MLX5_CMD_OP_CREATE_EQ = 0x301,
MLX5_CMD_OP_DESTROY_EQ = 0x302,
MLX5_CMD_OP_QUERY_EQ = 0x303,
MLX5_CMD_OP_GEN_EQE = 0x304,
MLX5_CMD_OP_CREATE_CQ = 0x400,
MLX5_CMD_OP_DESTROY_CQ = 0x401,
MLX5_CMD_OP_QUERY_CQ = 0x402,
MLX5_CMD_OP_MODIFY_CQ = 0x403,
MLX5_CMD_OP_CREATE_QP = 0x500,
MLX5_CMD_OP_DESTROY_QP = 0x501,
MLX5_CMD_OP_RST2INIT_QP = 0x502,
MLX5_CMD_OP_INIT2RTR_QP = 0x503,
MLX5_CMD_OP_RTR2RTS_QP = 0x504,
MLX5_CMD_OP_RTS2RTS_QP = 0x505,
MLX5_CMD_OP_SQERR2RTS_QP = 0x506,
MLX5_CMD_OP_2ERR_QP = 0x507,
MLX5_CMD_OP_2RST_QP = 0x50a,
MLX5_CMD_OP_QUERY_QP = 0x50b,
MLX5_CMD_OP_INIT2INIT_QP = 0x50e,
MLX5_CMD_OP_CREATE_PSV = 0x600,
MLX5_CMD_OP_DESTROY_PSV = 0x601,
MLX5_CMD_OP_CREATE_SRQ = 0x700,
MLX5_CMD_OP_DESTROY_SRQ = 0x701,
MLX5_CMD_OP_QUERY_SRQ = 0x702,
MLX5_CMD_OP_ARM_RQ = 0x703,
MLX5_CMD_OP_RESIZE_SRQ = 0x704,
MLX5_CMD_OP_CREATE_DCT = 0x710,
MLX5_CMD_OP_DESTROY_DCT = 0x711,
MLX5_CMD_OP_DRAIN_DCT = 0x712,
MLX5_CMD_OP_QUERY_DCT = 0x713,
MLX5_CMD_OP_ARM_DCT_FOR_KEY_VIOLATION = 0x714,
MLX5_CMD_OP_QUERY_VPORT_STATE = 0x750,
MLX5_CMD_OP_MODIFY_VPORT_STATE = 0x751,
MLX5_CMD_OP_QUERY_ESW_VPORT_CONTEXT = 0x752,
MLX5_CMD_OP_MODIFY_ESW_VPORT_CONTEXT = 0x753,
MLX5_CMD_OP_QUERY_NIC_VPORT_CONTEXT = 0x754,
MLX5_CMD_OP_MODIFY_NIC_VPORT_CONTEXT = 0x755,
MLX5_CMD_OP_QUERY_RCOE_ADDRESS = 0x760,
MLX5_CMD_OP_SET_ROCE_ADDRESS = 0x761,
MLX5_CMD_OP_QUERY_VPORT_COUNTER = 0x770,
MLX5_CMD_OP_ALLOC_Q_COUNTER = 0x771,
MLX5_CMD_OP_DEALLOC_Q_COUNTER = 0x772,
MLX5_CMD_OP_QUERY_Q_COUNTER = 0x773,
MLX5_CMD_OP_ALLOC_PD = 0x800,
MLX5_CMD_OP_DEALLOC_PD = 0x801,
MLX5_CMD_OP_ALLOC_UAR = 0x802,
MLX5_CMD_OP_DEALLOC_UAR = 0x803,
MLX5_CMD_OP_CONFIG_INT_MODERATION = 0x804,
MLX5_CMD_OP_ACCESS_REG = 0x805,
MLX5_CMD_OP_ATTACH_TO_MCG = 0x806,
MLX5_CMD_OP_DETACH_FROM_MCG = 0x807,
MLX5_CMD_OP_GET_DROPPED_PACKET_LOG = 0x80a,
MLX5_CMD_OP_MAD_IFC = 0x50d,
MLX5_CMD_OP_QUERY_MAD_DEMUX = 0x80b,
MLX5_CMD_OP_SET_MAD_DEMUX = 0x80c,
MLX5_CMD_OP_NOP = 0x80d,
MLX5_CMD_OP_ALLOC_XRCD = 0x80e,
MLX5_CMD_OP_DEALLOC_XRCD = 0x80f,
MLX5_CMD_OP_SET_BURST_SIZE = 0x812,
MLX5_CMD_OP_QUERY_BURST_SZIE = 0x813,
MLX5_CMD_OP_ACTIVATE_TRACER = 0x814,
MLX5_CMD_OP_DEACTIVATE_TRACER = 0x815,
MLX5_CMD_OP_CREATE_SNIFFER_RULE = 0x820,
MLX5_CMD_OP_DESTROY_SNIFFER_RULE = 0x821,
MLX5_CMD_OP_QUERY_CONG_PARAMS = 0x822,
MLX5_CMD_OP_MODIFY_CONG_PARAMS = 0x823,
MLX5_CMD_OP_QUERY_CONG_STATISTICS = 0x824,
MLX5_CMD_OP_CREATE_TIR = 0x900,
MLX5_CMD_OP_MODIFY_TIR = 0x901,
MLX5_CMD_OP_DESTROY_TIR = 0x902,
MLX5_CMD_OP_QUERY_TIR = 0x903,
MLX5_CMD_OP_CREATE_TIS = 0x912,
MLX5_CMD_OP_MODIFY_TIS = 0x913,
MLX5_CMD_OP_DESTROY_TIS = 0x914,
MLX5_CMD_OP_QUERY_TIS = 0x915,
MLX5_CMD_OP_CREATE_SQ = 0x904,
MLX5_CMD_OP_MODIFY_SQ = 0x905,
MLX5_CMD_OP_DESTROY_SQ = 0x906,
MLX5_CMD_OP_QUERY_SQ = 0x907,
MLX5_CMD_OP_CREATE_RQ = 0x908,
MLX5_CMD_OP_MODIFY_RQ = 0x909,
MLX5_CMD_OP_DESTROY_RQ = 0x90a,
MLX5_CMD_OP_QUERY_RQ = 0x90b,
MLX5_CMD_OP_CREATE_RMP = 0x90c,
MLX5_CMD_OP_MODIFY_RMP = 0x90d,
MLX5_CMD_OP_DESTROY_RMP = 0x90e,
MLX5_CMD_OP_QUERY_RMP = 0x90f,
MLX5_CMD_OP_SET_FLOW_TABLE_ENTRY = 0x910,
MLX5_CMD_OP_QUERY_FLOW_TABLE_ENTRY = 0x911,
MLX5_CMD_OP_MAX = 0x911
};
#endif /* MLX5_IFC_H */