Commit 53e7d6fe authored by Aviad Krawczyk's avatar Aviad Krawczyk Committed by David S. Miller
Browse files

net-next/hinic: Set qp context 



Update the nic about the resources of the queue pairs.

Signed-off-by: default avatarAviad Krawczyk <aviad.krawczyk@huawei.com>
Signed-off-by: default avatarZhao Chen <zhaochen6@huawei.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent f91090f7

drivers/net/ethernet/huawei/hinic/Makefile

+3 −2
Original line number Diff line number Diff line 
obj-$(CONFIG_HINIC) += hinic.o



hinic-y := hinic_main.o hinic_tx.o hinic_rx.o hinic_port.o hinic_hw_dev.o \

	   hinic_hw_io.o hinic_hw_qp.o hinic_hw_wq.o hinic_hw_mgmt.o \

	   hinic_hw_api_cmd.o hinic_hw_eqs.o hinic_hw_if.o
 
	   hinic_hw_io.o hinic_hw_qp.o hinic_hw_cmdq.o hinic_hw_wq.o \

	   hinic_hw_mgmt.o hinic_hw_api_cmd.o hinic_hw_eqs.o hinic_hw_if.o \

	   hinic_common.o

drivers/net/ethernet/huawei/hinic/hinic_common.c

0 → 100644
+55 −0
Original line number Diff line number Diff line 
/*

 * Huawei HiNIC PCI Express Linux driver

 * Copyright(c) 2017 Huawei Technologies Co., Ltd

 *

 * This program is free software; you can redistribute it and/or modify it

 * under the terms and conditions of the GNU General Public License,

 * version 2, as published by the Free Software Foundation.

 *

 * This program is distributed in the hope it will be useful, but WITHOUT

 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

 * for more details.

 *

 */



#include <linux/types.h>

#include <asm/byteorder.h>



#include "hinic_common.h"



/**

 * hinic_cpu_to_be32 - convert data to big endian 32 bit format

 * @data: the data to convert

 * @len: length of data to convert

 **/

void hinic_cpu_to_be32(void *data, int len)

{

	u32 *mem = data;

	int i;



	len = len / sizeof(u32);



	for (i = 0; i < len; i++) {

		*mem = cpu_to_be32(*mem);

		mem++;

	}

}



/**

 * hinic_be32_to_cpu - convert data from big endian 32 bit format

 * @data: the data to convert

 * @len: length of data to convert

 **/

void hinic_be32_to_cpu(void *data, int len)

{

	u32 *mem = data;

	int i;



	len = len / sizeof(u32);



	for (i = 0; i < len; i++) {

		*mem = be32_to_cpu(*mem);

		mem++;

	}

}

drivers/net/ethernet/huawei/hinic/hinic_common.h

+4 −0
Original line number Diff line number Diff line
@@ -22,4 +22,8 @@ struct hinic_sge { 
	u32             len;

};



void hinic_cpu_to_be32(void *data, int len);



void hinic_be32_to_cpu(void *data, int len);



#endif

drivers/net/ethernet/huawei/hinic/hinic_hw_cmdq.c

0 → 100644
+87 −0
Original line number Diff line number Diff line 
/*

 * Huawei HiNIC PCI Express Linux driver

 * Copyright(c) 2017 Huawei Technologies Co., Ltd

 *

 * This program is free software; you can redistribute it and/or modify it

 * under the terms and conditions of the GNU General Public License,

 * version 2, as published by the Free Software Foundation.

 *

 * This program is distributed in the hope it will be useful, but WITHOUT

 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

 * for more details.

 *

 */



#include <linux/types.h>

#include <linux/errno.h>



#include "hinic_hw_if.h"

#include "hinic_hw_cmdq.h"



/**

 * hinic_alloc_cmdq_buf - alloc buffer for sending command

 * @cmdqs: the cmdqs

 * @cmdq_buf: the buffer returned in this struct

 *

 * Return 0 - Success, negative - Failure

 **/

int hinic_alloc_cmdq_buf(struct hinic_cmdqs *cmdqs,

			 struct hinic_cmdq_buf *cmdq_buf)

{

	/* should be implemented */

	return -ENOMEM;

}



/**

 * hinic_free_cmdq_buf - free buffer

 * @cmdqs: the cmdqs

 * @cmdq_buf: the buffer to free that is in this struct

 **/

void hinic_free_cmdq_buf(struct hinic_cmdqs *cmdqs,

			 struct hinic_cmdq_buf *cmdq_buf)

{

	/* should be implemented */

}



/**

 * hinic_cmdq_direct_resp - send command with direct data as resp

 * @cmdqs: the cmdqs

 * @mod: module on the card that will handle the command

 * @cmd: the command

 * @buf_in: the buffer for the command

 * @resp: the response to return

 *

 * Return 0 - Success, negative - Failure

 **/

int hinic_cmdq_direct_resp(struct hinic_cmdqs *cmdqs,

			   enum hinic_mod_type mod, u8 cmd,

			   struct hinic_cmdq_buf *buf_in, u64 *resp)

{

	/* should be implemented */

	return -EINVAL;

}



/**

 * hinic_init_cmdqs - init all cmdqs

 * @cmdqs: cmdqs to init

 * @hwif: HW interface for accessing cmdqs

 * @db_area: doorbell areas for all the cmdqs

 *

 * Return 0 - Success, negative - Failure

 **/

int hinic_init_cmdqs(struct hinic_cmdqs *cmdqs, struct hinic_hwif *hwif,

		     void __iomem **db_area)

{

	/* should be implemented */

	return -EINVAL;

}



/**

 * hinic_free_cmdqs - free all cmdqs

 * @cmdqs: cmdqs to free

 **/

void hinic_free_cmdqs(struct hinic_cmdqs *cmdqs)

{

	/* should be implemented */

}

drivers/net/ethernet/huawei/hinic/hinic_hw_cmdq.h

0 → 100644
+84 −0
Original line number Diff line number Diff line 
/*

 * Huawei HiNIC PCI Express Linux driver

 * Copyright(c) 2017 Huawei Technologies Co., Ltd

 *

 * This program is free software; you can redistribute it and/or modify it

 * under the terms and conditions of the GNU General Public License,

 * version 2, as published by the Free Software Foundation.

 *

 * This program is distributed in the hope it will be useful, but WITHOUT

 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

 * for more details.

 *

 */



#ifndef HINIC_CMDQ_H

#define HINIC_CMDQ_H



#include <linux/types.h>

#include <linux/spinlock.h>

#include <linux/completion.h>

#include <linux/pci.h>



#include "hinic_hw_if.h"

#include "hinic_hw_wq.h"



#define HINIC_CMDQ_BUF_SIZE             2048



enum hinic_cmdq_type {

	HINIC_CMDQ_SYNC,



	HINIC_MAX_CMDQ_TYPES,

};



struct hinic_cmdq_buf {

	void            *buf;

	dma_addr_t      dma_addr;

	size_t          size;

};



struct hinic_cmdq {

	struct hinic_wq         *wq;



	enum hinic_cmdq_type    cmdq_type;

	int                     wrapped;



	/* Lock for keeping the doorbell order */

	spinlock_t              cmdq_lock;



	struct completion       **done;

	int                     **errcode;



	/* doorbell area */

	void __iomem            *db_base;

};



struct hinic_cmdqs {

	struct hinic_hwif       *hwif;



	struct pci_pool         *cmdq_buf_pool;



	struct hinic_wq         *saved_wqs;



	struct hinic_cmdq_pages cmdq_pages;



	struct hinic_cmdq       cmdq[HINIC_MAX_CMDQ_TYPES];

};



int hinic_alloc_cmdq_buf(struct hinic_cmdqs *cmdqs,

			 struct hinic_cmdq_buf *cmdq_buf);



void hinic_free_cmdq_buf(struct hinic_cmdqs *cmdqs,

			 struct hinic_cmdq_buf *cmdq_buf);



int hinic_cmdq_direct_resp(struct hinic_cmdqs *cmdqs,

			   enum hinic_mod_type mod, u8 cmd,

			   struct hinic_cmdq_buf *buf_in, u64 *out_param);



int hinic_init_cmdqs(struct hinic_cmdqs *cmdqs, struct hinic_hwif *hwif,

		     void __iomem **db_area);



void hinic_free_cmdqs(struct hinic_cmdqs *cmdqs);



#endif