Orange Pi5 kernel

Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards

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^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300    1) // SPDX-License-Identifier: GPL-2.0-only
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300    2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300    3)  * Copyright(c) 2011 - 2012 Intel Corporation. All rights reserved.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300    4)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300    5)  * Maintained at www.Open-FCoE.org
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300    6)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300    7) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300    8) #include <linux/module.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300    9) #include <linux/types.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   10) #include <linux/kernel.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   11) #include <linux/etherdevice.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   12) #include <linux/ctype.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   13) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   14) #include <scsi/fcoe_sysfs.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   15) #include <scsi/libfcoe.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   16) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   17) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   18)  * OK to include local libfcoe.h for debug_logging, but cannot include
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   19)  * <scsi/libfcoe.h> otherwise non-netdev based fcoe solutions would have
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   20)  * have to include more than fcoe_sysfs.h.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   21)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   22) #include "libfcoe.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   23) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   24) static atomic_t ctlr_num;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   25) static atomic_t fcf_num;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   26) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   27) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   28)  * fcoe_fcf_dev_loss_tmo: the default number of seconds that fcoe sysfs
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   29)  * should insulate the loss of a fcf.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   30)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   31) static unsigned int fcoe_fcf_dev_loss_tmo = 1800;  /* seconds */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   32) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   33) module_param_named(fcf_dev_loss_tmo, fcoe_fcf_dev_loss_tmo,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   34) 		   uint, S_IRUGO|S_IWUSR);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   35) MODULE_PARM_DESC(fcf_dev_loss_tmo,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   36) 		 "Maximum number of seconds that libfcoe should"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   37) 		 " insulate the loss of a fcf. Once this value is"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   38) 		 " exceeded, the fcf is removed.");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   39) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   40) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   41)  * These are used by the fcoe_*_show_function routines, they
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   42)  * are intentionally placed in the .c file as they're not intended
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   43)  * for use throughout the code.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   44)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   45) #define fcoe_ctlr_id(x)				\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   46) 	((x)->id)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   47) #define fcoe_ctlr_work_q_name(x)		\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   48) 	((x)->work_q_name)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   49) #define fcoe_ctlr_work_q(x)			\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   50) 	((x)->work_q)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   51) #define fcoe_ctlr_devloss_work_q_name(x)	\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   52) 	((x)->devloss_work_q_name)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   53) #define fcoe_ctlr_devloss_work_q(x)		\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   54) 	((x)->devloss_work_q)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   55) #define fcoe_ctlr_mode(x)			\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   56) 	((x)->mode)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   57) #define fcoe_ctlr_fcf_dev_loss_tmo(x)		\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   58) 	((x)->fcf_dev_loss_tmo)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   59) #define fcoe_ctlr_link_fail(x)			\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   60) 	((x)->lesb.lesb_link_fail)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   61) #define fcoe_ctlr_vlink_fail(x)			\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   62) 	((x)->lesb.lesb_vlink_fail)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   63) #define fcoe_ctlr_miss_fka(x)			\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   64) 	((x)->lesb.lesb_miss_fka)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   65) #define fcoe_ctlr_symb_err(x)			\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   66) 	((x)->lesb.lesb_symb_err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   67) #define fcoe_ctlr_err_block(x)			\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   68) 	((x)->lesb.lesb_err_block)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   69) #define fcoe_ctlr_fcs_error(x)			\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   70) 	((x)->lesb.lesb_fcs_error)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   71) #define fcoe_ctlr_enabled(x)			\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   72) 	((x)->enabled)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   73) #define fcoe_fcf_state(x)			\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   74) 	((x)->state)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   75) #define fcoe_fcf_fabric_name(x)			\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   76) 	((x)->fabric_name)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   77) #define fcoe_fcf_switch_name(x)			\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   78) 	((x)->switch_name)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   79) #define fcoe_fcf_fc_map(x)			\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   80) 	((x)->fc_map)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   81) #define fcoe_fcf_vfid(x)			\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   82) 	((x)->vfid)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   83) #define fcoe_fcf_mac(x)				\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   84) 	((x)->mac)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   85) #define fcoe_fcf_priority(x)			\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   86) 	((x)->priority)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   87) #define fcoe_fcf_fka_period(x)			\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   88) 	((x)->fka_period)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   89) #define fcoe_fcf_dev_loss_tmo(x)		\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   90) 	((x)->dev_loss_tmo)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   91) #define fcoe_fcf_selected(x)			\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   92) 	((x)->selected)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   93) #define fcoe_fcf_vlan_id(x)			\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   94) 	((x)->vlan_id)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   95) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   96) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   97)  * dev_loss_tmo attribute
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   98)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   99) static int fcoe_str_to_dev_loss(const char *buf, unsigned long *val)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  100) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  101) 	int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  102) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  103) 	ret = kstrtoul(buf, 0, val);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  104) 	if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  105) 		return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  106) 	/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  107) 	 * Check for overflow; dev_loss_tmo is u32
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  108) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  109) 	if (*val > UINT_MAX)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  110) 		return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  111) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  112) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  113) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  114) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  115) static int fcoe_fcf_set_dev_loss_tmo(struct fcoe_fcf_device *fcf,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  116) 				     unsigned long val)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  117) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  118) 	if ((fcf->state == FCOE_FCF_STATE_UNKNOWN) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  119) 	    (fcf->state == FCOE_FCF_STATE_DISCONNECTED) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  120) 	    (fcf->state == FCOE_FCF_STATE_DELETED))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  121) 		return -EBUSY;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  122) 	/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  123) 	 * Check for overflow; dev_loss_tmo is u32
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  124) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  125) 	if (val > UINT_MAX)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  126) 		return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  127) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  128) 	fcoe_fcf_dev_loss_tmo(fcf) = val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  129) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  130) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  131) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  132) #define FCOE_DEVICE_ATTR(_prefix, _name, _mode, _show, _store)	\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  133) struct device_attribute device_attr_fcoe_##_prefix##_##_name =	\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  134) 	__ATTR(_name, _mode, _show, _store)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  135) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  136) #define fcoe_ctlr_show_function(field, format_string, sz, cast)	\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  137) static ssize_t show_fcoe_ctlr_device_##field(struct device *dev, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  138) 					    struct device_attribute *attr, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  139) 					    char *buf)			\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  140) {									\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  141) 	struct fcoe_ctlr_device *ctlr = dev_to_ctlr(dev);		\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  142) 	if (ctlr->f->get_fcoe_ctlr_##field)				\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  143) 		ctlr->f->get_fcoe_ctlr_##field(ctlr);			\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  144) 	return snprintf(buf, sz, format_string,				\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  145) 			cast fcoe_ctlr_##field(ctlr));			\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  146) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  147) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  148) #define fcoe_fcf_show_function(field, format_string, sz, cast)	\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  149) static ssize_t show_fcoe_fcf_device_##field(struct device *dev,	\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  150) 					   struct device_attribute *attr, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  151) 					   char *buf)			\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  152) {									\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  153) 	struct fcoe_fcf_device *fcf = dev_to_fcf(dev);			\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  154) 	struct fcoe_ctlr_device *ctlr = fcoe_fcf_dev_to_ctlr_dev(fcf);	\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  155) 	if (ctlr->f->get_fcoe_fcf_##field)				\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  156) 		ctlr->f->get_fcoe_fcf_##field(fcf);			\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  157) 	return snprintf(buf, sz, format_string,				\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  158) 			cast fcoe_fcf_##field(fcf));			\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  159) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  160) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  161) #define fcoe_ctlr_private_show_function(field, format_string, sz, cast)	\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  162) static ssize_t show_fcoe_ctlr_device_##field(struct device *dev, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  163) 					    struct device_attribute *attr, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  164) 					    char *buf)			\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  165) {									\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  166) 	struct fcoe_ctlr_device *ctlr = dev_to_ctlr(dev);		\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  167) 	return snprintf(buf, sz, format_string, cast fcoe_ctlr_##field(ctlr)); \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  168) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  169) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  170) #define fcoe_fcf_private_show_function(field, format_string, sz, cast)	\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  171) static ssize_t show_fcoe_fcf_device_##field(struct device *dev,	\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  172) 					   struct device_attribute *attr, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  173) 					   char *buf)			\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  174) {								\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  175) 	struct fcoe_fcf_device *fcf = dev_to_fcf(dev);			\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  176) 	return snprintf(buf, sz, format_string, cast fcoe_fcf_##field(fcf)); \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  177) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  178) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  179) #define fcoe_ctlr_private_rd_attr(field, format_string, sz)		\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  180) 	fcoe_ctlr_private_show_function(field, format_string, sz, )	\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  181) 	static FCOE_DEVICE_ATTR(ctlr, field, S_IRUGO,			\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  182) 				show_fcoe_ctlr_device_##field, NULL)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  183) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  184) #define fcoe_ctlr_rd_attr(field, format_string, sz)			\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  185) 	fcoe_ctlr_show_function(field, format_string, sz, )		\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  186) 	static FCOE_DEVICE_ATTR(ctlr, field, S_IRUGO,			\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  187) 				show_fcoe_ctlr_device_##field, NULL)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  188) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  189) #define fcoe_fcf_rd_attr(field, format_string, sz)			\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  190) 	fcoe_fcf_show_function(field, format_string, sz, )		\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  191) 	static FCOE_DEVICE_ATTR(fcf, field, S_IRUGO,			\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  192) 				show_fcoe_fcf_device_##field, NULL)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  193) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  194) #define fcoe_fcf_private_rd_attr(field, format_string, sz)		\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  195) 	fcoe_fcf_private_show_function(field, format_string, sz, )	\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  196) 	static FCOE_DEVICE_ATTR(fcf, field, S_IRUGO,			\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  197) 				show_fcoe_fcf_device_##field, NULL)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  198) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  199) #define fcoe_ctlr_private_rd_attr_cast(field, format_string, sz, cast)	\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  200) 	fcoe_ctlr_private_show_function(field, format_string, sz, (cast)) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  201) 	static FCOE_DEVICE_ATTR(ctlr, field, S_IRUGO,			\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  202) 				show_fcoe_ctlr_device_##field, NULL)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  203) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  204) #define fcoe_fcf_private_rd_attr_cast(field, format_string, sz, cast)	\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  205) 	fcoe_fcf_private_show_function(field, format_string, sz, (cast)) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  206) 	static FCOE_DEVICE_ATTR(fcf, field, S_IRUGO,			\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  207) 				show_fcoe_fcf_device_##field, NULL)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  208) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  209) #define fcoe_enum_name_search(title, table_type, table)			\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  210) static const char *get_fcoe_##title##_name(enum table_type table_key)	\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  211) {									\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  212) 	if (table_key < 0 || table_key >= ARRAY_SIZE(table))		\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  213) 		return NULL;						\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  214) 	return table[table_key];					\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  215) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  216) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  217) static char *fip_conn_type_names[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  218) 	[ FIP_CONN_TYPE_UNKNOWN ] = "Unknown",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  219) 	[ FIP_CONN_TYPE_FABRIC ]  = "Fabric",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  220) 	[ FIP_CONN_TYPE_VN2VN ]   = "VN2VN",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  221) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  222) fcoe_enum_name_search(ctlr_mode, fip_conn_type, fip_conn_type_names)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  223) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  224) static enum fip_conn_type fcoe_parse_mode(const char *buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  225) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  226) 	int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  227) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  228) 	for (i = 0; i < ARRAY_SIZE(fip_conn_type_names); i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  229) 		if (strcasecmp(buf, fip_conn_type_names[i]) == 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  230) 			return i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  231) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  232) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  233) 	return FIP_CONN_TYPE_UNKNOWN;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  234) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  235) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  236) static char *fcf_state_names[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  237) 	[ FCOE_FCF_STATE_UNKNOWN ]      = "Unknown",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  238) 	[ FCOE_FCF_STATE_DISCONNECTED ] = "Disconnected",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  239) 	[ FCOE_FCF_STATE_CONNECTED ]    = "Connected",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  240) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  241) fcoe_enum_name_search(fcf_state, fcf_state, fcf_state_names)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  242) #define FCOE_FCF_STATE_MAX_NAMELEN 50
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  243) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  244) static ssize_t show_fcf_state(struct device *dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  245) 			      struct device_attribute *attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  246) 			      char *buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  247) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  248) 	struct fcoe_fcf_device *fcf = dev_to_fcf(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  249) 	const char *name;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  250) 	name = get_fcoe_fcf_state_name(fcf->state);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  251) 	if (!name)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  252) 		return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  253) 	return snprintf(buf, FCOE_FCF_STATE_MAX_NAMELEN, "%s\n", name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  254) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  255) static FCOE_DEVICE_ATTR(fcf, state, S_IRUGO, show_fcf_state, NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  256) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  257) #define FCOE_MAX_MODENAME_LEN 20
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  258) static ssize_t show_ctlr_mode(struct device *dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  259) 			      struct device_attribute *attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  260) 			      char *buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  261) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  262) 	struct fcoe_ctlr_device *ctlr = dev_to_ctlr(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  263) 	const char *name;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  264) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  265) 	name = get_fcoe_ctlr_mode_name(ctlr->mode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  266) 	if (!name)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  267) 		return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  268) 	return snprintf(buf, FCOE_MAX_MODENAME_LEN,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  269) 			"%s\n", name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  270) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  271) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  272) static ssize_t store_ctlr_mode(struct device *dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  273) 			       struct device_attribute *attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  274) 			       const char *buf, size_t count)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  275) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  276) 	struct fcoe_ctlr_device *ctlr = dev_to_ctlr(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  277) 	char mode[FCOE_MAX_MODENAME_LEN + 1];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  278) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  279) 	if (count > FCOE_MAX_MODENAME_LEN)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  280) 		return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  281) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  282) 	strncpy(mode, buf, count);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  283) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  284) 	if (mode[count - 1] == '\n')
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  285) 		mode[count - 1] = '\0';
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  286) 	else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  287) 		mode[count] = '\0';
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  288) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  289) 	switch (ctlr->enabled) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  290) 	case FCOE_CTLR_ENABLED:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  291) 		LIBFCOE_SYSFS_DBG(ctlr, "Cannot change mode when enabled.\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  292) 		return -EBUSY;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  293) 	case FCOE_CTLR_DISABLED:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  294) 		if (!ctlr->f->set_fcoe_ctlr_mode) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  295) 			LIBFCOE_SYSFS_DBG(ctlr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  296) 					  "Mode change not supported by LLD.\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  297) 			return -ENOTSUPP;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  298) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  299) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  300) 		ctlr->mode = fcoe_parse_mode(mode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  301) 		if (ctlr->mode == FIP_CONN_TYPE_UNKNOWN) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  302) 			LIBFCOE_SYSFS_DBG(ctlr, "Unknown mode %s provided.\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  303) 					  buf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  304) 			return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  305) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  306) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  307) 		ctlr->f->set_fcoe_ctlr_mode(ctlr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  308) 		LIBFCOE_SYSFS_DBG(ctlr, "Mode changed to %s.\n", buf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  309) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  310) 		return count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  311) 	case FCOE_CTLR_UNUSED:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  312) 	default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  313) 		LIBFCOE_SYSFS_DBG(ctlr, "Mode change not supported.\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  314) 		return -ENOTSUPP;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  315) 	};
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  316) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  317) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  318) static FCOE_DEVICE_ATTR(ctlr, mode, S_IRUGO | S_IWUSR,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  319) 			show_ctlr_mode, store_ctlr_mode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  320) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  321) static ssize_t store_ctlr_enabled(struct device *dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  322) 				  struct device_attribute *attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  323) 				  const char *buf, size_t count)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  324) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  325) 	struct fcoe_ctlr_device *ctlr = dev_to_ctlr(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  326) 	bool enabled;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  327) 	int rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  328) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  329) 	if (*buf == '1')
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  330) 		enabled = true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  331) 	else if (*buf == '0')
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  332) 		enabled = false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  333) 	else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  334) 		return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  335) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  336) 	switch (ctlr->enabled) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  337) 	case FCOE_CTLR_ENABLED:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  338) 		if (enabled)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  339) 			return count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  340) 		ctlr->enabled = FCOE_CTLR_DISABLED;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  341) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  342) 	case FCOE_CTLR_DISABLED:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  343) 		if (!enabled)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  344) 			return count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  345) 		ctlr->enabled = FCOE_CTLR_ENABLED;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  346) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  347) 	case FCOE_CTLR_UNUSED:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  348) 		return -ENOTSUPP;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  349) 	};
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  350) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  351) 	rc = ctlr->f->set_fcoe_ctlr_enabled(ctlr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  352) 	if (rc)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  353) 		return rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  354) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  355) 	return count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  356) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  357) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  358) static char *ctlr_enabled_state_names[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  359) 	[ FCOE_CTLR_ENABLED ]  = "1",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  360) 	[ FCOE_CTLR_DISABLED ] = "0",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  361) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  362) fcoe_enum_name_search(ctlr_enabled_state, ctlr_enabled_state,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  363) 		      ctlr_enabled_state_names)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  364) #define FCOE_CTLR_ENABLED_MAX_NAMELEN 50
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  365) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  366) static ssize_t show_ctlr_enabled_state(struct device *dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  367) 				       struct device_attribute *attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  368) 				       char *buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  369) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  370) 	struct fcoe_ctlr_device *ctlr = dev_to_ctlr(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  371) 	const char *name;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  372) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  373) 	name = get_fcoe_ctlr_enabled_state_name(ctlr->enabled);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  374) 	if (!name)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  375) 		return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  376) 	return snprintf(buf, FCOE_CTLR_ENABLED_MAX_NAMELEN,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  377) 			"%s\n", name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  378) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  379) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  380) static FCOE_DEVICE_ATTR(ctlr, enabled, S_IRUGO | S_IWUSR,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  381) 			show_ctlr_enabled_state,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  382) 			store_ctlr_enabled);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  383) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  384) static ssize_t store_ctlr_fip_resp(struct device *dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  385) 			      struct device_attribute *attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  386) 			      const char *buf, size_t count)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  387) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  388) 	struct fcoe_ctlr_device *ctlr = dev_to_ctlr(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  389) 	struct fcoe_ctlr *fip = fcoe_ctlr_device_priv(ctlr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  390) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  391) 	mutex_lock(&fip->ctlr_mutex);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  392) 	if ((buf[1] == '\0') || ((buf[1] == '\n') && (buf[2] == '\0'))) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  393) 		if (buf[0] == '1') {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  394) 			fip->fip_resp = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  395) 			mutex_unlock(&fip->ctlr_mutex);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  396) 			return count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  397) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  398) 		if (buf[0] == '0') {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  399) 			fip->fip_resp = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  400) 			mutex_unlock(&fip->ctlr_mutex);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  401) 			return count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  402) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  403) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  404) 	mutex_unlock(&fip->ctlr_mutex);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  405) 	return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  406) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  407) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  408) static ssize_t show_ctlr_fip_resp(struct device *dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  409) 				  struct device_attribute *attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  410) 				  char *buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  411) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  412) 	struct fcoe_ctlr_device *ctlr = dev_to_ctlr(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  413) 	struct fcoe_ctlr *fip = fcoe_ctlr_device_priv(ctlr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  414) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  415) 	return sprintf(buf, "%d\n", fip->fip_resp ? 1 : 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  416) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  417) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  418) static FCOE_DEVICE_ATTR(ctlr, fip_vlan_responder, S_IRUGO | S_IWUSR,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  419) 			show_ctlr_fip_resp,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  420) 			store_ctlr_fip_resp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  421) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  422) static ssize_t
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  423) fcoe_ctlr_var_store(u32 *var, const char *buf, size_t count)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  424) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  425) 	int err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  426) 	unsigned long v;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  427) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  428) 	err = kstrtoul(buf, 10, &v);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  429) 	if (err || v > UINT_MAX)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  430) 		return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  431) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  432) 	*var = v;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  433) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  434) 	return count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  435) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  436) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  437) static ssize_t store_ctlr_r_a_tov(struct device *dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  438) 				  struct device_attribute *attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  439) 				  const char *buf, size_t count)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  440) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  441) 	struct fcoe_ctlr_device *ctlr_dev = dev_to_ctlr(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  442) 	struct fcoe_ctlr *ctlr = fcoe_ctlr_device_priv(ctlr_dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  443) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  444) 	if (ctlr_dev->enabled == FCOE_CTLR_ENABLED)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  445) 		return -EBUSY;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  446) 	if (ctlr_dev->enabled == FCOE_CTLR_DISABLED)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  447) 		return fcoe_ctlr_var_store(&ctlr->lp->r_a_tov, buf, count);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  448) 	return -ENOTSUPP;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  449) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  450) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  451) static ssize_t show_ctlr_r_a_tov(struct device *dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  452) 				 struct device_attribute *attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  453) 				 char *buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  454) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  455) 	struct fcoe_ctlr_device *ctlr_dev = dev_to_ctlr(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  456) 	struct fcoe_ctlr *ctlr = fcoe_ctlr_device_priv(ctlr_dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  457) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  458) 	return sprintf(buf, "%d\n", ctlr->lp->r_a_tov);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  459) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  460) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  461) static FCOE_DEVICE_ATTR(ctlr, r_a_tov, S_IRUGO | S_IWUSR,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  462) 			show_ctlr_r_a_tov, store_ctlr_r_a_tov);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  463) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  464) static ssize_t store_ctlr_e_d_tov(struct device *dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  465) 				  struct device_attribute *attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  466) 				  const char *buf, size_t count)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  467) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  468) 	struct fcoe_ctlr_device *ctlr_dev = dev_to_ctlr(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  469) 	struct fcoe_ctlr *ctlr = fcoe_ctlr_device_priv(ctlr_dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  470) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  471) 	if (ctlr_dev->enabled == FCOE_CTLR_ENABLED)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  472) 		return -EBUSY;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  473) 	if (ctlr_dev->enabled == FCOE_CTLR_DISABLED)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  474) 		return fcoe_ctlr_var_store(&ctlr->lp->e_d_tov, buf, count);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  475) 	return -ENOTSUPP;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  476) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  477) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  478) static ssize_t show_ctlr_e_d_tov(struct device *dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  479) 				 struct device_attribute *attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  480) 				 char *buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  481) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  482) 	struct fcoe_ctlr_device *ctlr_dev = dev_to_ctlr(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  483) 	struct fcoe_ctlr *ctlr = fcoe_ctlr_device_priv(ctlr_dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  484) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  485) 	return sprintf(buf, "%d\n", ctlr->lp->e_d_tov);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  486) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  487) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  488) static FCOE_DEVICE_ATTR(ctlr, e_d_tov, S_IRUGO | S_IWUSR,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  489) 			show_ctlr_e_d_tov, store_ctlr_e_d_tov);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  490) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  491) static ssize_t
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  492) store_private_fcoe_ctlr_fcf_dev_loss_tmo(struct device *dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  493) 					 struct device_attribute *attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  494) 					 const char *buf, size_t count)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  495) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  496) 	struct fcoe_ctlr_device *ctlr = dev_to_ctlr(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  497) 	struct fcoe_fcf_device *fcf;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  498) 	unsigned long val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  499) 	int rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  500) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  501) 	rc = fcoe_str_to_dev_loss(buf, &val);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  502) 	if (rc)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  503) 		return rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  504) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  505) 	fcoe_ctlr_fcf_dev_loss_tmo(ctlr) = val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  506) 	mutex_lock(&ctlr->lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  507) 	list_for_each_entry(fcf, &ctlr->fcfs, peers)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  508) 		fcoe_fcf_set_dev_loss_tmo(fcf, val);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  509) 	mutex_unlock(&ctlr->lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  510) 	return count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  511) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  512) fcoe_ctlr_private_show_function(fcf_dev_loss_tmo, "%d\n", 20, );
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  513) static FCOE_DEVICE_ATTR(ctlr, fcf_dev_loss_tmo, S_IRUGO | S_IWUSR,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  514) 			show_fcoe_ctlr_device_fcf_dev_loss_tmo,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  515) 			store_private_fcoe_ctlr_fcf_dev_loss_tmo);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  516) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  517) /* Link Error Status Block (LESB) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  518) fcoe_ctlr_rd_attr(link_fail, "%u\n", 20);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  519) fcoe_ctlr_rd_attr(vlink_fail, "%u\n", 20);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  520) fcoe_ctlr_rd_attr(miss_fka, "%u\n", 20);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  521) fcoe_ctlr_rd_attr(symb_err, "%u\n", 20);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  522) fcoe_ctlr_rd_attr(err_block, "%u\n", 20);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  523) fcoe_ctlr_rd_attr(fcs_error, "%u\n", 20);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  524) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  525) fcoe_fcf_private_rd_attr_cast(fabric_name, "0x%llx\n", 20, unsigned long long);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  526) fcoe_fcf_private_rd_attr_cast(switch_name, "0x%llx\n", 20, unsigned long long);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  527) fcoe_fcf_private_rd_attr(priority, "%u\n", 20);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  528) fcoe_fcf_private_rd_attr(fc_map, "0x%x\n", 20);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  529) fcoe_fcf_private_rd_attr(vfid, "%u\n", 20);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  530) fcoe_fcf_private_rd_attr(mac, "%pM\n", 20);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  531) fcoe_fcf_private_rd_attr(fka_period, "%u\n", 20);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  532) fcoe_fcf_rd_attr(selected, "%u\n", 20);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  533) fcoe_fcf_rd_attr(vlan_id, "%u\n", 20);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  534) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  535) fcoe_fcf_private_show_function(dev_loss_tmo, "%d\n", 20, )
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  536) static ssize_t
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  537) store_fcoe_fcf_dev_loss_tmo(struct device *dev, struct device_attribute *attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  538) 			    const char *buf, size_t count)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  539) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  540) 	struct fcoe_fcf_device *fcf = dev_to_fcf(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  541) 	unsigned long val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  542) 	int rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  543) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  544) 	rc = fcoe_str_to_dev_loss(buf, &val);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  545) 	if (rc)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  546) 		return rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  547) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  548) 	rc = fcoe_fcf_set_dev_loss_tmo(fcf, val);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  549) 	if (rc)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  550) 		return rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  551) 	return count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  552) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  553) static FCOE_DEVICE_ATTR(fcf, dev_loss_tmo, S_IRUGO | S_IWUSR,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  554) 			show_fcoe_fcf_device_dev_loss_tmo,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  555) 			store_fcoe_fcf_dev_loss_tmo);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  556) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  557) static struct attribute *fcoe_ctlr_lesb_attrs[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  558) 	&device_attr_fcoe_ctlr_link_fail.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  559) 	&device_attr_fcoe_ctlr_vlink_fail.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  560) 	&device_attr_fcoe_ctlr_miss_fka.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  561) 	&device_attr_fcoe_ctlr_symb_err.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  562) 	&device_attr_fcoe_ctlr_err_block.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  563) 	&device_attr_fcoe_ctlr_fcs_error.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  564) 	NULL,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  565) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  566) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  567) static struct attribute_group fcoe_ctlr_lesb_attr_group = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  568) 	.name = "lesb",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  569) 	.attrs = fcoe_ctlr_lesb_attrs,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  570) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  571) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  572) static struct attribute *fcoe_ctlr_attrs[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  573) 	&device_attr_fcoe_ctlr_fip_vlan_responder.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  574) 	&device_attr_fcoe_ctlr_fcf_dev_loss_tmo.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  575) 	&device_attr_fcoe_ctlr_r_a_tov.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  576) 	&device_attr_fcoe_ctlr_e_d_tov.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  577) 	&device_attr_fcoe_ctlr_enabled.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  578) 	&device_attr_fcoe_ctlr_mode.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  579) 	NULL,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  580) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  581) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  582) static struct attribute_group fcoe_ctlr_attr_group = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  583) 	.attrs = fcoe_ctlr_attrs,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  584) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  585) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  586) static const struct attribute_group *fcoe_ctlr_attr_groups[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  587) 	&fcoe_ctlr_attr_group,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  588) 	&fcoe_ctlr_lesb_attr_group,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  589) 	NULL,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  590) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  591) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  592) static struct attribute *fcoe_fcf_attrs[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  593) 	&device_attr_fcoe_fcf_fabric_name.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  594) 	&device_attr_fcoe_fcf_switch_name.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  595) 	&device_attr_fcoe_fcf_dev_loss_tmo.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  596) 	&device_attr_fcoe_fcf_fc_map.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  597) 	&device_attr_fcoe_fcf_vfid.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  598) 	&device_attr_fcoe_fcf_mac.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  599) 	&device_attr_fcoe_fcf_priority.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  600) 	&device_attr_fcoe_fcf_fka_period.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  601) 	&device_attr_fcoe_fcf_state.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  602) 	&device_attr_fcoe_fcf_selected.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  603) 	&device_attr_fcoe_fcf_vlan_id.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  604) 	NULL
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  605) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  606) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  607) static struct attribute_group fcoe_fcf_attr_group = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  608) 	.attrs = fcoe_fcf_attrs,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  609) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  610) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  611) static const struct attribute_group *fcoe_fcf_attr_groups[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  612) 	&fcoe_fcf_attr_group,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  613) 	NULL,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  614) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  615) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  616) static struct bus_type fcoe_bus_type;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  617) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  618) static int fcoe_bus_match(struct device *dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  619) 			  struct device_driver *drv)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  620) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  621) 	if (dev->bus == &fcoe_bus_type)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  622) 		return 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  623) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  624) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  625) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  626) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  627)  * fcoe_ctlr_device_release() - Release the FIP ctlr memory
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  628)  * @dev: Pointer to the FIP ctlr's embedded device
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  629)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  630)  * Called when the last FIP ctlr reference is released.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  631)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  632) static void fcoe_ctlr_device_release(struct device *dev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  633) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  634) 	struct fcoe_ctlr_device *ctlr = dev_to_ctlr(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  635) 	kfree(ctlr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  636) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  637) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  638) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  639)  * fcoe_fcf_device_release() - Release the FIP fcf memory
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  640)  * @dev: Pointer to the fcf's embedded device
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  641)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  642)  * Called when the last FIP fcf reference is released.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  643)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  644) static void fcoe_fcf_device_release(struct device *dev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  645) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  646) 	struct fcoe_fcf_device *fcf = dev_to_fcf(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  647) 	kfree(fcf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  648) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  649) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  650) static const struct device_type fcoe_ctlr_device_type = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  651) 	.name = "fcoe_ctlr",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  652) 	.groups = fcoe_ctlr_attr_groups,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  653) 	.release = fcoe_ctlr_device_release,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  654) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  655) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  656) static const struct device_type fcoe_fcf_device_type = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  657) 	.name = "fcoe_fcf",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  658) 	.groups = fcoe_fcf_attr_groups,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  659) 	.release = fcoe_fcf_device_release,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  660) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  661) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  662) static ssize_t ctlr_create_store(struct bus_type *bus, const char *buf,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  663) 				 size_t count)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  664) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  665) 	return fcoe_ctlr_create_store(bus, buf, count);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  666) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  667) static BUS_ATTR_WO(ctlr_create);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  668) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  669) static ssize_t ctlr_destroy_store(struct bus_type *bus, const char *buf,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  670) 				  size_t count)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  671) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  672) 	return fcoe_ctlr_destroy_store(bus, buf, count);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  673) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  674) static BUS_ATTR_WO(ctlr_destroy);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  675) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  676) static struct attribute *fcoe_bus_attrs[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  677) 	&bus_attr_ctlr_create.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  678) 	&bus_attr_ctlr_destroy.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  679) 	NULL,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  680) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  681) ATTRIBUTE_GROUPS(fcoe_bus);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  682) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  683) static struct bus_type fcoe_bus_type = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  684) 	.name = "fcoe",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  685) 	.match = &fcoe_bus_match,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  686) 	.bus_groups = fcoe_bus_groups,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  687) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  688) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  689) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  690)  * fcoe_ctlr_device_flush_work() - Flush a FIP ctlr's workqueue
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  691)  * @ctlr: Pointer to the FIP ctlr whose workqueue is to be flushed
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  692)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  693) static void fcoe_ctlr_device_flush_work(struct fcoe_ctlr_device *ctlr)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  694) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  695) 	if (!fcoe_ctlr_work_q(ctlr)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  696) 		printk(KERN_ERR
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  697) 		       "ERROR: FIP Ctlr '%d' attempted to flush work, "
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  698) 		       "when no workqueue created.\n", ctlr->id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  699) 		dump_stack();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  700) 		return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  701) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  702) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  703) 	flush_workqueue(fcoe_ctlr_work_q(ctlr));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  704) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  705) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  706) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  707)  * fcoe_ctlr_device_queue_work() - Schedule work for a FIP ctlr's workqueue
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  708)  * @ctlr: Pointer to the FIP ctlr who owns the devloss workqueue
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  709)  * @work:   Work to queue for execution
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  710)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  711)  * Return value:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  712)  *	1 on success / 0 already queued / < 0 for error
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  713)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  714) static int fcoe_ctlr_device_queue_work(struct fcoe_ctlr_device *ctlr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  715) 				       struct work_struct *work)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  716) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  717) 	if (unlikely(!fcoe_ctlr_work_q(ctlr))) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  718) 		printk(KERN_ERR
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  719) 		       "ERROR: FIP Ctlr '%d' attempted to queue work, "
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  720) 		       "when no workqueue created.\n", ctlr->id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  721) 		dump_stack();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  722) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  723) 		return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  724) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  725) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  726) 	return queue_work(fcoe_ctlr_work_q(ctlr), work);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  727) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  728) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  729) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  730)  * fcoe_ctlr_device_flush_devloss() - Flush a FIP ctlr's devloss workqueue
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  731)  * @ctlr: Pointer to FIP ctlr whose workqueue is to be flushed
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  732)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  733) static void fcoe_ctlr_device_flush_devloss(struct fcoe_ctlr_device *ctlr)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  734) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  735) 	if (!fcoe_ctlr_devloss_work_q(ctlr)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  736) 		printk(KERN_ERR
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  737) 		       "ERROR: FIP Ctlr '%d' attempted to flush work, "
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  738) 		       "when no workqueue created.\n", ctlr->id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  739) 		dump_stack();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  740) 		return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  741) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  742) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  743) 	flush_workqueue(fcoe_ctlr_devloss_work_q(ctlr));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  744) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  745) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  746) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  747)  * fcoe_ctlr_device_queue_devloss_work() - Schedule work for a FIP ctlr's devloss workqueue
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  748)  * @ctlr: Pointer to the FIP ctlr who owns the devloss workqueue
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  749)  * @work:   Work to queue for execution
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  750)  * @delay:  jiffies to delay the work queuing
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  751)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  752)  * Return value:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  753)  *	1 on success / 0 already queued / < 0 for error
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  754)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  755) static int fcoe_ctlr_device_queue_devloss_work(struct fcoe_ctlr_device *ctlr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  756) 					       struct delayed_work *work,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  757) 					       unsigned long delay)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  758) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  759) 	if (unlikely(!fcoe_ctlr_devloss_work_q(ctlr))) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  760) 		printk(KERN_ERR
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  761) 		       "ERROR: FIP Ctlr '%d' attempted to queue work, "
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  762) 		       "when no workqueue created.\n", ctlr->id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  763) 		dump_stack();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  764) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  765) 		return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  766) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  767) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  768) 	return queue_delayed_work(fcoe_ctlr_devloss_work_q(ctlr), work, delay);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  769) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  770) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  771) static int fcoe_fcf_device_match(struct fcoe_fcf_device *new,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  772) 				 struct fcoe_fcf_device *old)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  773) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  774) 	if (new->switch_name == old->switch_name &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  775) 	    new->fabric_name == old->fabric_name &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  776) 	    new->fc_map == old->fc_map &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  777) 	    ether_addr_equal(new->mac, old->mac))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  778) 		return 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  779) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  780) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  781) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  782) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  783)  * fcoe_ctlr_device_add() - Add a FIP ctlr to sysfs
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  784)  * @parent:    The parent device to which the fcoe_ctlr instance
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  785)  *             should be attached
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  786)  * @f:         The LLD's FCoE sysfs function template pointer
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  787)  * @priv_size: Size to be allocated with the fcoe_ctlr_device for the LLD
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  788)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  789)  * This routine allocates a FIP ctlr object with some additional memory
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  790)  * for the LLD. The FIP ctlr is initialized, added to sysfs and then
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  791)  * attributes are added to it.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  792)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  793) struct fcoe_ctlr_device *fcoe_ctlr_device_add(struct device *parent,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  794) 				    struct fcoe_sysfs_function_template *f,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  795) 				    int priv_size)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  796) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  797) 	struct fcoe_ctlr_device *ctlr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  798) 	int error = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  799) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  800) 	ctlr = kzalloc(sizeof(struct fcoe_ctlr_device) + priv_size,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  801) 		       GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  802) 	if (!ctlr)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  803) 		goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  804) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  805) 	ctlr->id = atomic_inc_return(&ctlr_num) - 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  806) 	ctlr->f = f;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  807) 	ctlr->mode = FIP_CONN_TYPE_FABRIC;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  808) 	INIT_LIST_HEAD(&ctlr->fcfs);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  809) 	mutex_init(&ctlr->lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  810) 	ctlr->dev.parent = parent;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  811) 	ctlr->dev.bus = &fcoe_bus_type;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  812) 	ctlr->dev.type = &fcoe_ctlr_device_type;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  813) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  814) 	ctlr->fcf_dev_loss_tmo = fcoe_fcf_dev_loss_tmo;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  815) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  816) 	snprintf(ctlr->work_q_name, sizeof(ctlr->work_q_name),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  817) 		 "ctlr_wq_%d", ctlr->id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  818) 	ctlr->work_q = create_singlethread_workqueue(
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  819) 		ctlr->work_q_name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  820) 	if (!ctlr->work_q)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  821) 		goto out_del;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  822) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  823) 	snprintf(ctlr->devloss_work_q_name,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  824) 		 sizeof(ctlr->devloss_work_q_name),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  825) 		 "ctlr_dl_wq_%d", ctlr->id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  826) 	ctlr->devloss_work_q = create_singlethread_workqueue(
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  827) 		ctlr->devloss_work_q_name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  828) 	if (!ctlr->devloss_work_q)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  829) 		goto out_del_q;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  830) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  831) 	dev_set_name(&ctlr->dev, "ctlr_%d", ctlr->id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  832) 	error = device_register(&ctlr->dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  833) 	if (error)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  834) 		goto out_del_q2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  835) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  836) 	return ctlr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  837) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  838) out_del_q2:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  839) 	destroy_workqueue(ctlr->devloss_work_q);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  840) 	ctlr->devloss_work_q = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  841) out_del_q:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  842) 	destroy_workqueue(ctlr->work_q);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  843) 	ctlr->work_q = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  844) out_del:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  845) 	kfree(ctlr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  846) out:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  847) 	return NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  848) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  849) EXPORT_SYMBOL_GPL(fcoe_ctlr_device_add);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  850) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  851) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  852)  * fcoe_ctlr_device_delete() - Delete a FIP ctlr and its subtree from sysfs
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  853)  * @ctlr: A pointer to the ctlr to be deleted
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  854)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  855)  * Deletes a FIP ctlr and any fcfs attached
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  856)  * to it. Deleting fcfs will cause their childen
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  857)  * to be deleted as well.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  858)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  859)  * The ctlr is detached from sysfs and it's resources
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  860)  * are freed (work q), but the memory is not freed
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  861)  * until its last reference is released.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  862)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  863)  * This routine expects no locks to be held before
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  864)  * calling.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  865)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  866)  * TODO: Currently there are no callbacks to clean up LLD data
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  867)  * for a fcoe_fcf_device. LLDs must keep this in mind as they need
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  868)  * to clean up each of their LLD data for all fcoe_fcf_device before
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  869)  * calling fcoe_ctlr_device_delete.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  870)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  871) void fcoe_ctlr_device_delete(struct fcoe_ctlr_device *ctlr)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  872) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  873) 	struct fcoe_fcf_device *fcf, *next;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  874) 	/* Remove any attached fcfs */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  875) 	mutex_lock(&ctlr->lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  876) 	list_for_each_entry_safe(fcf, next,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  877) 				 &ctlr->fcfs, peers) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  878) 		list_del(&fcf->peers);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  879) 		fcf->state = FCOE_FCF_STATE_DELETED;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  880) 		fcoe_ctlr_device_queue_work(ctlr, &fcf->delete_work);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  881) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  882) 	mutex_unlock(&ctlr->lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  883) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  884) 	fcoe_ctlr_device_flush_work(ctlr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  885) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  886) 	destroy_workqueue(ctlr->devloss_work_q);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  887) 	ctlr->devloss_work_q = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  888) 	destroy_workqueue(ctlr->work_q);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  889) 	ctlr->work_q = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  890) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  891) 	device_unregister(&ctlr->dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  892) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  893) EXPORT_SYMBOL_GPL(fcoe_ctlr_device_delete);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  894) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  895) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  896)  * fcoe_fcf_device_final_delete() - Final delete routine
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  897)  * @work: The FIP fcf's embedded work struct
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  898)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  899)  * It is expected that the fcf has been removed from
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  900)  * the FIP ctlr's list before calling this routine.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  901)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  902) static void fcoe_fcf_device_final_delete(struct work_struct *work)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  903) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  904) 	struct fcoe_fcf_device *fcf =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  905) 		container_of(work, struct fcoe_fcf_device, delete_work);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  906) 	struct fcoe_ctlr_device *ctlr = fcoe_fcf_dev_to_ctlr_dev(fcf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  907) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  908) 	/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  909) 	 * Cancel any outstanding timers. These should really exist
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  910) 	 * only when rmmod'ing the LLDD and we're asking for
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  911) 	 * immediate termination of the rports
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  912) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  913) 	if (!cancel_delayed_work(&fcf->dev_loss_work))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  914) 		fcoe_ctlr_device_flush_devloss(ctlr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  915) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  916) 	device_unregister(&fcf->dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  917) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  918) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  919) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  920)  * fip_timeout_deleted_fcf() - Delete a fcf when the devloss timer fires
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  921)  * @work: The FIP fcf's embedded work struct
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  922)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  923)  * Removes the fcf from the FIP ctlr's list of fcfs and
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  924)  * queues the final deletion.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  925)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  926) static void fip_timeout_deleted_fcf(struct work_struct *work)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  927) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  928) 	struct fcoe_fcf_device *fcf =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  929) 		container_of(work, struct fcoe_fcf_device, dev_loss_work.work);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  930) 	struct fcoe_ctlr_device *ctlr = fcoe_fcf_dev_to_ctlr_dev(fcf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  931) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  932) 	mutex_lock(&ctlr->lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  933) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  934) 	/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  935) 	 * If the fcf is deleted or reconnected before the timer
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  936) 	 * fires the devloss queue will be flushed, but the state will
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  937) 	 * either be CONNECTED or DELETED. If that is the case we
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  938) 	 * cancel deleting the fcf.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  939) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  940) 	if (fcf->state != FCOE_FCF_STATE_DISCONNECTED)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  941) 		goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  942) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  943) 	dev_printk(KERN_ERR, &fcf->dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  944) 		   "FIP fcf connection time out: removing fcf\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  945) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  946) 	list_del(&fcf->peers);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  947) 	fcf->state = FCOE_FCF_STATE_DELETED;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  948) 	fcoe_ctlr_device_queue_work(ctlr, &fcf->delete_work);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  949) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  950) out:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  951) 	mutex_unlock(&ctlr->lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  952) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  953) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  954) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  955)  * fcoe_fcf_device_delete() - Delete a FIP fcf
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  956)  * @fcf: Pointer to the fcf which is to be deleted
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  957)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  958)  * Queues the FIP fcf on the devloss workqueue
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  959)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  960)  * Expects the ctlr_attrs mutex to be held for fcf
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  961)  * state change.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  962)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  963) void fcoe_fcf_device_delete(struct fcoe_fcf_device *fcf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  964) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  965) 	struct fcoe_ctlr_device *ctlr = fcoe_fcf_dev_to_ctlr_dev(fcf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  966) 	int timeout = fcf->dev_loss_tmo;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  967) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  968) 	if (fcf->state != FCOE_FCF_STATE_CONNECTED)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  969) 		return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  970) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  971) 	fcf->state = FCOE_FCF_STATE_DISCONNECTED;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  972) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  973) 	/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  974) 	 * FCF will only be re-connected by the LLD calling
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  975) 	 * fcoe_fcf_device_add, and it should be setting up
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  976) 	 * priv then.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  977) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  978) 	fcf->priv = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  979) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  980) 	fcoe_ctlr_device_queue_devloss_work(ctlr, &fcf->dev_loss_work,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  981) 					   timeout * HZ);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  982) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  983) EXPORT_SYMBOL_GPL(fcoe_fcf_device_delete);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  984) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  985) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  986)  * fcoe_fcf_device_add() - Add a FCoE sysfs fcoe_fcf_device to the system
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  987)  * @ctlr:    The fcoe_ctlr_device that will be the fcoe_fcf_device parent
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  988)  * @new_fcf: A temporary FCF used for lookups on the current list of fcfs
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  989)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  990)  * Expects to be called with the ctlr->lock held
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  991)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  992) struct fcoe_fcf_device *fcoe_fcf_device_add(struct fcoe_ctlr_device *ctlr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  993) 					    struct fcoe_fcf_device *new_fcf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  994) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  995) 	struct fcoe_fcf_device *fcf;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  996) 	int error = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  997) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  998) 	list_for_each_entry(fcf, &ctlr->fcfs, peers) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  999) 		if (fcoe_fcf_device_match(new_fcf, fcf)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1000) 			if (fcf->state == FCOE_FCF_STATE_CONNECTED)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1001) 				return fcf;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1002) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1003) 			fcf->state = FCOE_FCF_STATE_CONNECTED;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1004) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1005) 			if (!cancel_delayed_work(&fcf->dev_loss_work))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1006) 				fcoe_ctlr_device_flush_devloss(ctlr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1007) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1008) 			return fcf;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1009) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1010) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1011) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1012) 	fcf = kzalloc(sizeof(struct fcoe_fcf_device), GFP_ATOMIC);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1013) 	if (unlikely(!fcf))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1014) 		goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1015) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1016) 	INIT_WORK(&fcf->delete_work, fcoe_fcf_device_final_delete);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1017) 	INIT_DELAYED_WORK(&fcf->dev_loss_work, fip_timeout_deleted_fcf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1018) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1019) 	fcf->dev.parent = &ctlr->dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1020) 	fcf->dev.bus = &fcoe_bus_type;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1021) 	fcf->dev.type = &fcoe_fcf_device_type;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1022) 	fcf->id = atomic_inc_return(&fcf_num) - 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1023) 	fcf->state = FCOE_FCF_STATE_UNKNOWN;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1024) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1025) 	fcf->dev_loss_tmo = ctlr->fcf_dev_loss_tmo;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1026) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1027) 	dev_set_name(&fcf->dev, "fcf_%d", fcf->id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1028) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1029) 	fcf->fabric_name = new_fcf->fabric_name;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1030) 	fcf->switch_name = new_fcf->switch_name;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1031) 	fcf->fc_map = new_fcf->fc_map;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1032) 	fcf->vfid = new_fcf->vfid;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1033) 	memcpy(fcf->mac, new_fcf->mac, ETH_ALEN);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1034) 	fcf->priority = new_fcf->priority;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1035) 	fcf->fka_period = new_fcf->fka_period;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1036) 	fcf->selected = new_fcf->selected;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1037) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1038) 	error = device_register(&fcf->dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1039) 	if (error)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1040) 		goto out_del;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1041) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1042) 	fcf->state = FCOE_FCF_STATE_CONNECTED;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1043) 	list_add_tail(&fcf->peers, &ctlr->fcfs);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1044) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1045) 	return fcf;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1046) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1047) out_del:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1048) 	kfree(fcf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1049) out:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1050) 	return NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1051) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1052) EXPORT_SYMBOL_GPL(fcoe_fcf_device_add);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1053) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1054) int __init fcoe_sysfs_setup(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1055) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1056) 	atomic_set(&ctlr_num, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1057) 	atomic_set(&fcf_num, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1058) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1059) 	return bus_register(&fcoe_bus_type);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1060) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1061) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1062) void __exit fcoe_sysfs_teardown(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1063) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1064) 	bus_unregister(&fcoe_bus_type);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1065) }