![James Smart](/assets/img/avatar_default.png)
Add Buffer to buffer credit recovery support to the driver. This is a negotiated feature with the peer that allows for both sides to detect dropped RRDY's and FC Frames and recover credit. Signed-off-by: Dick Kennedy <dick.kennedy@broadcom.com> Signed-off-by: James Smart <james.smart@broadcom.com> Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
129 lines
5.6 KiB
C
129 lines
5.6 KiB
C
/*******************************************************************
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* This file is part of the Emulex Linux Device Driver for *
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* Fibre Channel Host Bus Adapters. *
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* Copyright (C) 2017 Broadcom. All Rights Reserved. The term *
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* “Broadcom” refers to Broadcom Limited and/or its subsidiaries. *
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* Copyright (C) 2004-2016 Emulex. All rights reserved. *
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* EMULEX and SLI are trademarks of Emulex. *
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* www.broadcom.com *
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* Portions Copyright (C) 2004-2005 Christoph Hellwig *
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* *
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* This program is free software; you can redistribute it and/or *
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* modify it under the terms of version 2 of the GNU General *
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* Public License as published by the Free Software Foundation. *
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* This program is distributed in the hope that it will be useful. *
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* ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND *
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* WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, *
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* FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT, ARE *
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* DISCLAIMED, EXCEPT TO THE EXTENT THAT SUCH DISCLAIMERS ARE HELD *
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* TO BE LEGALLY INVALID. See the GNU General Public License for *
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* more details, a copy of which can be found in the file COPYING *
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* included with this package. *
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*******************************************************************/
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#define LPFC_ATTR(name, defval, minval, maxval, desc) \
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static uint lpfc_##name = defval;\
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module_param(lpfc_##name, uint, S_IRUGO);\
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MODULE_PARM_DESC(lpfc_##name, desc);\
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lpfc_param_init(name, defval, minval, maxval)
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#define LPFC_ATTR_R(name, defval, minval, maxval, desc) \
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static uint lpfc_##name = defval;\
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module_param(lpfc_##name, uint, S_IRUGO);\
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MODULE_PARM_DESC(lpfc_##name, desc);\
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lpfc_param_show(name)\
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lpfc_param_init(name, defval, minval, maxval)\
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static DEVICE_ATTR(lpfc_##name, S_IRUGO, lpfc_##name##_show, NULL)
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#define LPFC_ATTR_RW(name, defval, minval, maxval, desc) \
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static uint lpfc_##name = defval;\
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module_param(lpfc_##name, uint, S_IRUGO);\
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MODULE_PARM_DESC(lpfc_##name, desc);\
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lpfc_param_show(name)\
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lpfc_param_init(name, defval, minval, maxval)\
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lpfc_param_set(name, defval, minval, maxval)\
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lpfc_param_store(name)\
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static DEVICE_ATTR(lpfc_##name, S_IRUGO | S_IWUSR,\
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lpfc_##name##_show, lpfc_##name##_store)
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#define LPFC_BBCR_ATTR_RW(name, defval, minval, maxval, desc) \
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static uint lpfc_##name = defval;\
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module_param(lpfc_##name, uint, 0444);\
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MODULE_PARM_DESC(lpfc_##name, desc);\
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lpfc_param_show(name)\
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lpfc_param_init(name, defval, minval, maxval)\
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lpfc_param_store(name)\
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static DEVICE_ATTR(lpfc_##name, 0444 | 0644,\
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lpfc_##name##_show, lpfc_##name##_store)
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#define LPFC_ATTR_HEX_R(name, defval, minval, maxval, desc) \
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static uint lpfc_##name = defval;\
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module_param(lpfc_##name, uint, S_IRUGO);\
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MODULE_PARM_DESC(lpfc_##name, desc);\
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lpfc_param_hex_show(name)\
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lpfc_param_init(name, defval, minval, maxval)\
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static DEVICE_ATTR(lpfc_##name, S_IRUGO, lpfc_##name##_show, NULL)
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#define LPFC_ATTR_HEX_RW(name, defval, minval, maxval, desc) \
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static uint lpfc_##name = defval;\
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module_param(lpfc_##name, uint, S_IRUGO);\
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MODULE_PARM_DESC(lpfc_##name, desc);\
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lpfc_param_hex_show(name)\
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lpfc_param_init(name, defval, minval, maxval)\
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lpfc_param_set(name, defval, minval, maxval)\
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lpfc_param_store(name)\
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static DEVICE_ATTR(lpfc_##name, S_IRUGO | S_IWUSR,\
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lpfc_##name##_show, lpfc_##name##_store)
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#define LPFC_VPORT_ATTR(name, defval, minval, maxval, desc) \
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static uint lpfc_##name = defval;\
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module_param(lpfc_##name, uint, S_IRUGO);\
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MODULE_PARM_DESC(lpfc_##name, desc);\
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lpfc_vport_param_init(name, defval, minval, maxval)
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#define LPFC_VPORT_ATTR_R(name, defval, minval, maxval, desc) \
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static uint lpfc_##name = defval;\
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module_param(lpfc_##name, uint, S_IRUGO);\
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MODULE_PARM_DESC(lpfc_##name, desc);\
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lpfc_vport_param_show(name)\
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lpfc_vport_param_init(name, defval, minval, maxval)\
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static DEVICE_ATTR(lpfc_##name, S_IRUGO, lpfc_##name##_show, NULL)
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#define LPFC_VPORT_ULL_ATTR_R(name, defval, minval, maxval, desc) \
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static uint64_t lpfc_##name = defval;\
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module_param(lpfc_##name, ullong, S_IRUGO);\
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MODULE_PARM_DESC(lpfc_##name, desc);\
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lpfc_vport_param_show(name)\
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lpfc_vport_param_init(name, defval, minval, maxval)\
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static DEVICE_ATTR(lpfc_##name, S_IRUGO, lpfc_##name##_show, NULL)
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#define LPFC_VPORT_ATTR_RW(name, defval, minval, maxval, desc) \
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static uint lpfc_##name = defval;\
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module_param(lpfc_##name, uint, S_IRUGO);\
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MODULE_PARM_DESC(lpfc_##name, desc);\
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lpfc_vport_param_show(name)\
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lpfc_vport_param_init(name, defval, minval, maxval)\
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lpfc_vport_param_set(name, defval, minval, maxval)\
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lpfc_vport_param_store(name)\
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static DEVICE_ATTR(lpfc_##name, S_IRUGO | S_IWUSR,\
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lpfc_##name##_show, lpfc_##name##_store)
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#define LPFC_VPORT_ATTR_HEX_R(name, defval, minval, maxval, desc) \
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static uint lpfc_##name = defval;\
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module_param(lpfc_##name, uint, S_IRUGO);\
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MODULE_PARM_DESC(lpfc_##name, desc);\
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lpfc_vport_param_hex_show(name)\
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lpfc_vport_param_init(name, defval, minval, maxval)\
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static DEVICE_ATTR(lpfc_##name, S_IRUGO, lpfc_##name##_show, NULL)
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#define LPFC_VPORT_ATTR_HEX_RW(name, defval, minval, maxval, desc) \
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static uint lpfc_##name = defval;\
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module_param(lpfc_##name, uint, S_IRUGO);\
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MODULE_PARM_DESC(lpfc_##name, desc);\
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lpfc_vport_param_hex_show(name)\
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lpfc_vport_param_init(name, defval, minval, maxval)\
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lpfc_vport_param_set(name, defval, minval, maxval)\
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lpfc_vport_param_store(name)\
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static DEVICE_ATTR(lpfc_##name, S_IRUGO | S_IWUSR,\
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lpfc_##name##_show, lpfc_##name##_store)
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