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Date:	Thu, 1 May 2008 07:58:16 -0700
From:	Stephen Hemminger <shemminger@...tta.com>
To:	Ramachandra K <ramachandra.kuchimanchi@...gic.com>
Cc:	rdreier@...co.com, general@...ts.openfabrics.org,
	netdev@...r.kernel.org, amar.mudrankit@...gic.com,
	poornima.kamath@...gic.com
Subject: Re: [PATCH 11/13] QLogic VNIC: Driver utility file - implements
 various utility macros

On Wed, 30 Apr 2008 22:51:26 +0530
Ramachandra K <ramachandra.kuchimanchi@...gic.com> wrote:

> From: Poornima Kamath <poornima.kamath@...gic.com>
> 
> This patch adds the driver utility file which mainly contains utility
> macros for debugging of QLogic VNIC driver.
> 
> Signed-off-by: Ramachandra K <ramachandra.kuchimanchi@...gic.com>
> Signed-off-by: Amar Mudrankit <amar.mudrankit@...gic.com>
> ---
> 
>  drivers/infiniband/ulp/qlgc_vnic/vnic_util.h |  251 ++++++++++++++++++++++++++
>  1 files changed, 251 insertions(+), 0 deletions(-)
>  create mode 100644 drivers/infiniband/ulp/qlgc_vnic/vnic_util.h
> 
> diff --git a/drivers/infiniband/ulp/qlgc_vnic/vnic_util.h b/drivers/infiniband/ulp/qlgc_vnic/vnic_util.h
> new file mode 100644
> index 0000000..4d7d540
> --- /dev/null
> +++ b/drivers/infiniband/ulp/qlgc_vnic/vnic_util.h
> @@ -0,0 +1,251 @@
> +/*
> + * Copyright (c) 2006 QLogic, 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 VNIC_UTIL_H_INCLUDED
> +#define VNIC_UTIL_H_INCLUDED
> +
> +#define MODULE_NAME "QLGC_VNIC"
> +
> +#define VNIC_MAJORVERSION	1
> +#define VNIC_MINORVERSION	1
> +
> +#define is_power_of2(value)	(((value) & ((value - 1))) == 0)
> +#define ALIGN_DOWN(x, a)	((x)&(~((a)-1)))

In kernel.h already

> +extern u32 vnic_debug;

Use msg level macros instead?

> +
> +enum {
> +	DEBUG_IB_INFO			= 0x00000001,
> +	DEBUG_IB_FUNCTION		= 0x00000002,
> +	DEBUG_IB_FSTATUS		= 0x00000004,
> +	DEBUG_IB_ASSERTS		= 0x00000008,
> +	DEBUG_CONTROL_INFO		= 0x00000010,
> +	DEBUG_CONTROL_FUNCTION	= 0x00000020,
> +	DEBUG_CONTROL_PACKET	= 0x00000040,
> +	DEBUG_CONFIG_INFO		= 0x00000100,
> +	DEBUG_DATA_INFO 		= 0x00001000,
> +	DEBUG_DATA_FUNCTION		= 0x00002000,
> +	DEBUG_NETPATH_INFO		= 0x00010000,
> +	DEBUG_VIPORT_INFO		= 0x00100000,
> +	DEBUG_VIPORT_FUNCTION	= 0x00200000,
> +	DEBUG_LINK_STATE		= 0x00400000,
> +	DEBUG_VNIC_INFO 		= 0x01000000,
> +	DEBUG_VNIC_FUNCTION		= 0x02000000,
> +	DEBUG_MCAST_INFO		= 0x04000000,
> +	DEBUG_MCAST_FUNCTION	= 0x08000000,
> +	DEBUG_SYS_INFO			= 0x10000000,
> +	DEBUG_SYS_VERBOSE		= 0x40000000
> +};
> +
> +#ifdef CONFIG_INFINIBAND_QLGC_VNIC_DEBUG
> +#define PRINT(level, x, fmt, arg...)					\
> +	printk(level "%s: %s: %s, line %d: " fmt,			\
> +	       MODULE_NAME, x, __FILE__, __LINE__, ##arg)
> +
> +#define PRINT_CONDITIONAL(level, x, condition, fmt, arg...)		\
> +	do {								\
> +		if (condition)						\
> +			printk(level "%s: %s: %s, line %d: " fmt,	\
> +			       MODULE_NAME, x, __FILE__, __LINE__,	\
> +			       ##arg);					\
> +	} while (0)
> +#else
> +#define PRINT(level, x, fmt, arg...)					\
> +	printk(level "%s: " fmt, MODULE_NAME, ##arg)
> +
> +#define PRINT_CONDITIONAL(level, x, condition, fmt, arg...)		\
> +	do {								\
> +		 if (condition)						\
> +			printk(level "%s: %s: " fmt,			\
> +			       MODULE_NAME, x, ##arg);			\
> +	} while (0)
> +#endif	/*CONFIG_INFINIBAND_QLGC_VNIC_DEBUG*/
> +
> +#define IB_PRINT(fmt, arg...)			\
> +	PRINT(KERN_INFO, "IB", fmt, ##arg)
> +#define IB_ERROR(fmt, arg...)			\
> +	PRINT(KERN_ERR, "IB", fmt, ##arg)
> +
> +#define IB_FUNCTION(fmt, arg...) 				\
> +	PRINT_CONDITIONAL(KERN_INFO, 				\
> +			  "IB", 				\
> +			  (vnic_debug & DEBUG_IB_FUNCTION), 	\
> +			  fmt, ##arg)
> +
> +#define IB_INFO(fmt, arg...)					\
> +	PRINT_CONDITIONAL(KERN_INFO,				\
> +			  "IB",					\
> +			  (vnic_debug & DEBUG_IB_INFO),		\
> +			  fmt, ##arg)
> +
> +#define IB_ASSERT(x)							\
> +	do {								\
> +		 if ((vnic_debug & DEBUG_IB_ASSERTS) && !(x))		\
> +			panic("%s assertion failed, file:  %s,"		\
> +				" line %d: ",				\
> +				MODULE_NAME, __FILE__, __LINE__)	\
> +	} while (0)
> +
> +#define CONTROL_PRINT(fmt, arg...)			\
> +	PRINT(KERN_INFO, "CONTROL", fmt, ##arg)
> +#define CONTROL_ERROR(fmt, arg...)			\
> +	PRINT(KERN_ERR, "CONTROL", fmt, ##arg)
> +
> +#define CONTROL_INFO(fmt, arg...)					\
> +	PRINT_CONDITIONAL(KERN_INFO,					\
> +			  "CONTROL",					\
> +			  (vnic_debug & DEBUG_CONTROL_INFO),		\
> +			  fmt, ##arg)
> +
> +#define CONTROL_FUNCTION(fmt, arg...)					\
> +	PRINT_CONDITIONAL(KERN_INFO,					\
> +			"CONTROL",					\
> +			(vnic_debug & DEBUG_CONTROL_FUNCTION),		\
> +			fmt, ##arg)
> +
> +#define CONTROL_PACKET(pkt)					\
> +	do {							\
> +		 if (vnic_debug & DEBUG_CONTROL_PACKET)		\
> +			control_log_control_packet(pkt);	\
> +	} while (0)
> +
> +#define CONFIG_PRINT(fmt, arg...)		\
> +	PRINT(KERN_INFO, "CONFIG", fmt, ##arg)
> +#define CONFIG_ERROR(fmt, arg...)		\
> +	PRINT(KERN_ERR, "CONFIG", fmt, ##arg)
> +
> +#define CONFIG_INFO(fmt, arg...)				\
> +	PRINT_CONDITIONAL(KERN_INFO,				\
> +			  "CONFIG",				\
> +			  (vnic_debug & DEBUG_CONFIG_INFO),	\
> +			  fmt, ##arg)
> +
> +#define DATA_PRINT(fmt, arg...)			\
> +	PRINT(KERN_INFO, "DATA", fmt, ##arg)
> +#define DATA_ERROR(fmt, arg...)			\
> +	PRINT(KERN_ERR, "DATA", fmt, ##arg)
> +
> +#define DATA_INFO(fmt, arg...)					\
> +	PRINT_CONDITIONAL(KERN_INFO,				\
> +			  "DATA",				\
> +			  (vnic_debug & DEBUG_DATA_INFO),	\
> +			  fmt, ##arg)
> +
> +#define DATA_FUNCTION(fmt, arg...)				\
> +	PRINT_CONDITIONAL(KERN_INFO,				\
> +			  "DATA",				\
> +			  (vnic_debug & DEBUG_DATA_FUNCTION),	\
> +			  fmt, ##arg)
> +
> +
> +#define MCAST_PRINT(fmt, arg...)        \
> +    PRINT(KERN_INFO, "MCAST", fmt, ##arg)
> +#define MCAST_ERROR(fmt, arg...)        \
> +    PRINT(KERN_ERR, "MCAST", fmt, ##arg)
> +
> +#define MCAST_INFO(fmt, arg...)   	              		\
> +	PRINT_CONDITIONAL(KERN_INFO,     			\
> +			"MCAST",   				\
> +			(vnic_debug & DEBUG_MCAST_INFO),	\
> +			fmt, ##arg)
> +
> +#define MCAST_FUNCTION(fmt, arg...)				\
> +	PRINT_CONDITIONAL(KERN_INFO,				\
> +			"MCAST",				\
> +			(vnic_debug & DEBUG_MCAST_FUNCTION), 	\
> +			fmt, ##arg)
> +
> +#define NETPATH_PRINT(fmt, arg...)		\
> +	PRINT(KERN_INFO, "NETPATH", fmt, ##arg)
> +#define NETPATH_ERROR(fmt, arg...)		\
> +	PRINT(KERN_ERR, "NETPATH", fmt, ##arg)
> +
> +#define NETPATH_INFO(fmt, arg...)				\
> +	PRINT_CONDITIONAL(KERN_INFO,				\
> +			  "NETPATH",				\
> +			  (vnic_debug & DEBUG_NETPATH_INFO),	\
> +			  fmt, ##arg)
> +
> +#define VIPORT_PRINT(fmt, arg...)		\
> +	PRINT(KERN_INFO, "VIPORT", fmt, ##arg)
> +#define VIPORT_ERROR(fmt, arg...)		\
> +	PRINT(KERN_ERR, "VIPORT", fmt, ##arg)
> +
> +#define VIPORT_INFO(fmt, arg...) 				\
> +	PRINT_CONDITIONAL(KERN_INFO,				\
> +			  "VIPORT",				\
> +			  (vnic_debug & DEBUG_VIPORT_INFO),	\
> +			  fmt, ##arg)
> +
> +#define VIPORT_FUNCTION(fmt, arg...)				\
> +	PRINT_CONDITIONAL(KERN_INFO,				\
> +			  "VIPORT",				\
> +			  (vnic_debug & DEBUG_VIPORT_FUNCTION),	\
> +			  fmt, ##arg)
> +
> +#define LINK_STATE(fmt, arg...) 				\
> +	PRINT_CONDITIONAL(KERN_INFO,				\
> +			  "LINK",				\
> +			  (vnic_debug & DEBUG_LINK_STATE),	\
> +			  fmt, ##arg)
> +
> +#define VNIC_PRINT(fmt, arg...)			\
> +	PRINT(KERN_INFO, "NIC", fmt, ##arg)
> +#define VNIC_ERROR(fmt, arg...)			\
> +	PRINT(KERN_ERR, "NIC", fmt, ##arg)
> +#define VNIC_INIT(fmt, arg...)			\
> +	PRINT(KERN_INFO, "NIC", fmt, ##arg)
> +
> +#define VNIC_INFO(fmt, arg...)					\
> +	 PRINT_CONDITIONAL(KERN_INFO,				\
> +			   "NIC",				\
> +			   (vnic_debug & DEBUG_VNIC_INFO),	\
> +			   fmt, ##arg)
> +
> +#define VNIC_FUNCTION(fmt, arg...)				\
> +	 PRINT_CONDITIONAL(KERN_INFO,				\
> +			   "NIC",				\
> +			   (vnic_debug & DEBUG_VNIC_FUNCTION),	\
> +			   fmt, ##arg)
> +
> +#define SYS_PRINT(fmt, arg...)			\
> +	PRINT(KERN_INFO, "SYS", fmt, ##arg)
> +#define SYS_ERROR(fmt, arg...)			\
> +	PRINT(KERN_ERR, "SYS", fmt, ##arg)
> +
> +#define SYS_INFO(fmt, arg...)					\
> +	 PRINT_CONDITIONAL(KERN_INFO,				\
> +			   "SYS",				\
> +			   (vnic_debug & DEBUG_SYS_INFO),	\
> +			   fmt, ##arg)
> +
> +#endif	/* VNIC_UTIL_H_INCLUDED */


Many of these are already in standard macros pr_info, pr_err etc.
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