Orange Pi5 kernel

^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)  *  QLogic FCoE Offload Driver
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   4)  *  Copyright (c) 2016-2018 QLogic Corporation
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   5)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   6) #ifdef CONFIG_DEBUG_FS
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   7) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   8) #include <linux/uaccess.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   9) #include <linux/debugfs.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  10) #include <linux/module.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  11) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  12) #include "qedf.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  13) #include "qedf_dbg.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  14) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  15) static struct dentry *qedf_dbg_root;
^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)  * qedf_dbg_host_init - setup the debugfs file for the pf
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  19)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  20) void
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  21) qedf_dbg_host_init(struct qedf_dbg_ctx *qedf,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  22) 		    const struct qedf_debugfs_ops *dops,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  23) 		    const struct file_operations *fops)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  24) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  25) 	char host_dirname[32];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  26) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  27) 	QEDF_INFO(qedf, QEDF_LOG_DEBUGFS, "Creating debugfs host node\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  28) 	/* create pf dir */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  29) 	sprintf(host_dirname, "host%u", qedf->host_no);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  30) 	qedf->bdf_dentry = debugfs_create_dir(host_dirname, qedf_dbg_root);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  31) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  32) 	/* create debugfs files */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  33) 	while (dops) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  34) 		if (!(dops->name))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  35) 			break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  36) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  37) 		debugfs_create_file(dops->name, 0600, qedf->bdf_dentry, qedf,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  38) 				    fops);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  39) 		dops++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  40) 		fops++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  41) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  42) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  43) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  44) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  45)  * qedf_dbg_host_exit - clear out the pf's debugfs entries
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  46)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  47) void
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  48) qedf_dbg_host_exit(struct qedf_dbg_ctx *qedf_dbg)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  49) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  50) 	QEDF_INFO(qedf_dbg, QEDF_LOG_DEBUGFS, "Destroying debugfs host "
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  51) 		   "entry\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  52) 	/* remove debugfs  entries of this PF */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  53) 	debugfs_remove_recursive(qedf_dbg->bdf_dentry);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  54) 	qedf_dbg->bdf_dentry = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  55) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  56) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  57) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  58)  * qedf_dbg_init - start up debugfs for the driver
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  59)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  60) void
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  61) qedf_dbg_init(char *drv_name)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  62) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  63) 	QEDF_INFO(NULL, QEDF_LOG_DEBUGFS, "Creating debugfs root node\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  64) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  65) 	/* create qed dir in root of debugfs. NULL means debugfs root */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  66) 	qedf_dbg_root = debugfs_create_dir(drv_name, NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  67) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  68) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  69) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  70)  * qedf_dbg_exit - clean out the driver's debugfs entries
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  71)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  72) void
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  73) qedf_dbg_exit(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  74) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  75) 	QEDF_INFO(NULL, QEDF_LOG_DEBUGFS, "Destroying debugfs root "
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  76) 		   "entry\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  77) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  78) 	/* remove qed dir in root of debugfs */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  79) 	debugfs_remove_recursive(qedf_dbg_root);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  80) 	qedf_dbg_root = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  81) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  82) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  83) const struct qedf_debugfs_ops qedf_debugfs_ops[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  84) 	{ "fp_int", NULL },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  85) 	{ "io_trace", NULL },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  86) 	{ "debug", NULL },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  87) 	{ "stop_io_on_error", NULL},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  88) 	{ "driver_stats", NULL},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  89) 	{ "clear_stats", NULL},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  90) 	{ "offload_stats", NULL},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  91) 	/* This must be last */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  92) 	{ NULL, NULL }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  93) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  94) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  95) DECLARE_PER_CPU(struct qedf_percpu_iothread_s, qedf_percpu_iothreads);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  96) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  97) static ssize_t
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  98) qedf_dbg_fp_int_cmd_read(struct file *filp, char __user *buffer, size_t count,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  99) 			 loff_t *ppos)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) 	size_t cnt = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) 	int id;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) 	struct qedf_fastpath *fp = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) 	struct qedf_dbg_ctx *qedf_dbg =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) 				(struct qedf_dbg_ctx *)filp->private_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) 	struct qedf_ctx *qedf = container_of(qedf_dbg,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) 	    struct qedf_ctx, dbg_ctx);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) 	QEDF_INFO(qedf_dbg, QEDF_LOG_DEBUGFS, "entered\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) 	cnt = sprintf(buffer, "\nFastpath I/O completions\n\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) 	for (id = 0; id < qedf->num_queues; id++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) 		fp = &(qedf->fp_array[id]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) 		if (fp->sb_id == QEDF_SB_ID_NULL)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) 			continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) 		cnt += sprintf((buffer + cnt), "#%d: %lu\n", id,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) 			       fp->completions);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) 	cnt = min_t(int, count, cnt - *ppos);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) 	*ppos += cnt;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) 	return cnt;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) static ssize_t
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) qedf_dbg_fp_int_cmd_write(struct file *filp, const char __user *buffer,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) 			  size_t count, loff_t *ppos)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) 	if (!count || *ppos)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) 		return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) 	return count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) static ssize_t
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) qedf_dbg_debug_cmd_read(struct file *filp, char __user *buffer, size_t count,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) 			loff_t *ppos)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) 	int cnt;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) 	struct qedf_dbg_ctx *qedf_dbg =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) 				(struct qedf_dbg_ctx *)filp->private_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) 	QEDF_INFO(qedf_dbg, QEDF_LOG_DEBUGFS, "debug mask=0x%x\n", qedf_debug);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) 	cnt = sprintf(buffer, "debug mask = 0x%x\n", qedf_debug);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) 	cnt = min_t(int, count, cnt - *ppos);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) 	*ppos += cnt;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) 	return cnt;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) static ssize_t
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) qedf_dbg_debug_cmd_write(struct file *filp, const char __user *buffer,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) 			 size_t count, loff_t *ppos)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) 	uint32_t val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) 	void *kern_buf;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) 	int rval;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) 	struct qedf_dbg_ctx *qedf_dbg =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) 	    (struct qedf_dbg_ctx *)filp->private_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) 	if (!count || *ppos)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) 		return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) 	kern_buf = memdup_user(buffer, count);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) 	if (IS_ERR(kern_buf))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) 		return PTR_ERR(kern_buf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) 	rval = kstrtouint(kern_buf, 10, &val);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) 	kfree(kern_buf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) 	if (rval)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) 		return rval;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) 	if (val == 1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) 		qedf_debug = QEDF_DEFAULT_LOG_MASK;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) 	else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) 		qedf_debug = val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) 	QEDF_INFO(qedf_dbg, QEDF_LOG_DEBUGFS, "Setting debug=0x%x.\n", val);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) 	return count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) static ssize_t
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) qedf_dbg_stop_io_on_error_cmd_read(struct file *filp, char __user *buffer,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) 				   size_t count, loff_t *ppos)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) 	int cnt;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) 	struct qedf_dbg_ctx *qedf_dbg =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) 				(struct qedf_dbg_ctx *)filp->private_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) 	struct qedf_ctx *qedf = container_of(qedf_dbg,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191) 	    struct qedf_ctx, dbg_ctx);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) 	QEDF_INFO(qedf_dbg, QEDF_LOG_DEBUGFS, "entered\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) 	cnt = sprintf(buffer, "%s\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) 	    qedf->stop_io_on_error ? "true" : "false");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) 	cnt = min_t(int, count, cnt - *ppos);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198) 	*ppos += cnt;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) 	return cnt;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) static ssize_t
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203) qedf_dbg_stop_io_on_error_cmd_write(struct file *filp,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) 				    const char __user *buffer, size_t count,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205) 				    loff_t *ppos)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) 	void *kern_buf;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208) 	struct qedf_dbg_ctx *qedf_dbg =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) 				(struct qedf_dbg_ctx *)filp->private_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) 	struct qedf_ctx *qedf = container_of(qedf_dbg, struct qedf_ctx,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) 	    dbg_ctx);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213) 	QEDF_INFO(qedf_dbg, QEDF_LOG_DEBUGFS, "entered\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215) 	if (!count || *ppos)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216) 		return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218) 	kern_buf = memdup_user(buffer, 6);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219) 	if (IS_ERR(kern_buf))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220) 		return PTR_ERR(kern_buf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222) 	if (strncmp(kern_buf, "false", 5) == 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223) 		qedf->stop_io_on_error = false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224) 	else if (strncmp(kern_buf, "true", 4) == 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225) 		qedf->stop_io_on_error = true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226) 	else if (strncmp(kern_buf, "now", 3) == 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227) 		/* Trigger from user to stop all I/O on this host */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228) 		set_bit(QEDF_DBG_STOP_IO, &qedf->flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230) 	kfree(kern_buf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231) 	return count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234) static int
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 235) qedf_io_trace_show(struct seq_file *s, void *unused)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 236) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 237) 	int i, idx = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 238) 	struct qedf_ctx *qedf = s->private;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 239) 	struct qedf_dbg_ctx *qedf_dbg = &qedf->dbg_ctx;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 240) 	struct qedf_io_log *io_log;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 241) 	unsigned long flags;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 242) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 243) 	if (!qedf_io_tracing) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 244) 		seq_puts(s, "I/O tracing not enabled.\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 245) 		goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 246) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 247) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 248) 	QEDF_INFO(qedf_dbg, QEDF_LOG_DEBUGFS, "entered\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 249) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 250) 	spin_lock_irqsave(&qedf->io_trace_lock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 251) 	idx = qedf->io_trace_idx;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 252) 	for (i = 0; i < QEDF_IO_TRACE_SIZE; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 253) 		io_log = &qedf->io_trace_buf[idx];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 254) 		seq_printf(s, "%d:", io_log->direction);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 255) 		seq_printf(s, "0x%x:", io_log->task_id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 256) 		seq_printf(s, "0x%06x:", io_log->port_id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 257) 		seq_printf(s, "%d:", io_log->lun);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 258) 		seq_printf(s, "0x%02x:", io_log->op);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 259) 		seq_printf(s, "0x%02x%02x%02x%02x:", io_log->lba[0],
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 260) 		    io_log->lba[1], io_log->lba[2], io_log->lba[3]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 261) 		seq_printf(s, "%d:", io_log->bufflen);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 262) 		seq_printf(s, "%d:", io_log->sg_count);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 263) 		seq_printf(s, "0x%08x:", io_log->result);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 264) 		seq_printf(s, "%lu:", io_log->jiffies);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 265) 		seq_printf(s, "%d:", io_log->refcount);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 266) 		seq_printf(s, "%d:", io_log->req_cpu);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 267) 		seq_printf(s, "%d:", io_log->int_cpu);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 268) 		seq_printf(s, "%d:", io_log->rsp_cpu);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 269) 		seq_printf(s, "%d\n", io_log->sge_type);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 270) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 271) 		idx++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 272) 		if (idx == QEDF_IO_TRACE_SIZE)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 273) 			idx = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 274) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 275) 	spin_unlock_irqrestore(&qedf->io_trace_lock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 276) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 277) out:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 278) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 279) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 280) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 281) static int
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 282) qedf_dbg_io_trace_open(struct inode *inode, struct file *file)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 283) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 284) 	struct qedf_dbg_ctx *qedf_dbg = inode->i_private;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 285) 	struct qedf_ctx *qedf = container_of(qedf_dbg,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 286) 	    struct qedf_ctx, dbg_ctx);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 287) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 288) 	return single_open(file, qedf_io_trace_show, qedf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 289) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 290) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 291) /* Based on fip_state enum from libfcoe.h */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 292) static char *fip_state_names[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 293) 	"FIP_ST_DISABLED",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 294) 	"FIP_ST_LINK_WAIT",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 295) 	"FIP_ST_AUTO",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 296) 	"FIP_ST_NON_FIP",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 297) 	"FIP_ST_ENABLED",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 298) 	"FIP_ST_VNMP_START",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 299) 	"FIP_ST_VNMP_PROBE1",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 300) 	"FIP_ST_VNMP_PROBE2",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 301) 	"FIP_ST_VNMP_CLAIM",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 302) 	"FIP_ST_VNMP_UP",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 303) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 304) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 305) /* Based on fc_rport_state enum from libfc.h */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 306) static char *fc_rport_state_names[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 307) 	"RPORT_ST_INIT",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 308) 	"RPORT_ST_FLOGI",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 309) 	"RPORT_ST_PLOGI_WAIT",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 310) 	"RPORT_ST_PLOGI",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 311) 	"RPORT_ST_PRLI",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 312) 	"RPORT_ST_RTV",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 313) 	"RPORT_ST_READY",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 314) 	"RPORT_ST_ADISC",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 315) 	"RPORT_ST_DELETE",
^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 int
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 319) qedf_driver_stats_show(struct seq_file *s, void *unused)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 320) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 321) 	struct qedf_ctx *qedf = s->private;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 322) 	struct qedf_rport *fcport;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 323) 	struct fc_rport_priv *rdata;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 324) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 325) 	seq_printf(s, "Host WWNN/WWPN: %016llx/%016llx\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 326) 		   qedf->wwnn, qedf->wwpn);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 327) 	seq_printf(s, "Host NPortID: %06x\n", qedf->lport->port_id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 328) 	seq_printf(s, "Link State: %s\n", atomic_read(&qedf->link_state) ?
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 329) 	    "Up" : "Down");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 330) 	seq_printf(s, "Logical Link State: %s\n", qedf->lport->link_up ?
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 331) 	    "Up" : "Down");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 332) 	seq_printf(s, "FIP state: %s\n", fip_state_names[qedf->ctlr.state]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 333) 	seq_printf(s, "FIP VLAN ID: %d\n", qedf->vlan_id & 0xfff);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 334) 	seq_printf(s, "FIP 802.1Q Priority: %d\n", qedf->prio);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 335) 	if (qedf->ctlr.sel_fcf) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 336) 		seq_printf(s, "FCF WWPN: %016llx\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 337) 			   qedf->ctlr.sel_fcf->switch_name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 338) 		seq_printf(s, "FCF MAC: %pM\n", qedf->ctlr.sel_fcf->fcf_mac);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 339) 	} else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 340) 		seq_puts(s, "FCF not selected\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 341) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 342) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 343) 	seq_puts(s, "\nSGE stats:\n\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 344) 	seq_printf(s, "cmg_mgr free io_reqs: %d\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 345) 	    atomic_read(&qedf->cmd_mgr->free_list_cnt));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 346) 	seq_printf(s, "slow SGEs: %d\n", qedf->slow_sge_ios);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 347) 	seq_printf(s, "fast SGEs: %d\n\n", qedf->fast_sge_ios);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 348) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 349) 	seq_puts(s, "Offloaded ports:\n\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 350) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 351) 	rcu_read_lock();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 352) 	list_for_each_entry_rcu(fcport, &qedf->fcports, peers) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 353) 		rdata = fcport->rdata;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 354) 		if (rdata == NULL)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 355) 			continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 356) 		seq_printf(s, "%016llx/%016llx/%06x: state=%s, free_sqes=%d, num_active_ios=%d\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 357) 			   rdata->rport->node_name, rdata->rport->port_name,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 358) 			   rdata->ids.port_id,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 359) 			   fc_rport_state_names[rdata->rp_state],
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 360) 			   atomic_read(&fcport->free_sqes),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 361) 			   atomic_read(&fcport->num_active_ios));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 362) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 363) 	rcu_read_unlock();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 364) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 365) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 366) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 367) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 368) static int
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 369) qedf_dbg_driver_stats_open(struct inode *inode, struct file *file)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 370) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 371) 	struct qedf_dbg_ctx *qedf_dbg = inode->i_private;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 372) 	struct qedf_ctx *qedf = container_of(qedf_dbg,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 373) 	    struct qedf_ctx, dbg_ctx);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 374) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 375) 	return single_open(file, qedf_driver_stats_show, qedf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 376) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 377) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 378) static ssize_t
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 379) qedf_dbg_clear_stats_cmd_read(struct file *filp, char __user *buffer,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 380) 				   size_t count, loff_t *ppos)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 381) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 382) 	int cnt = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 383) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 384) 	/* Essentially a read stub */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 385) 	cnt = min_t(int, count, cnt - *ppos);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 386) 	*ppos += cnt;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 387) 	return cnt;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 388) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 389) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 390) static ssize_t
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 391) qedf_dbg_clear_stats_cmd_write(struct file *filp,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 392) 				    const char __user *buffer, size_t count,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 393) 				    loff_t *ppos)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 394) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 395) 	struct qedf_dbg_ctx *qedf_dbg =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 396) 				(struct qedf_dbg_ctx *)filp->private_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 397) 	struct qedf_ctx *qedf = container_of(qedf_dbg, struct qedf_ctx,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 398) 	    dbg_ctx);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 399) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 400) 	QEDF_INFO(qedf_dbg, QEDF_LOG_DEBUGFS, "Clearing stat counters.\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 401) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 402) 	if (!count || *ppos)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 403) 		return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 404) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 405) 	/* Clear stat counters exposed by 'stats' node */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 406) 	qedf->slow_sge_ios = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 407) 	qedf->fast_sge_ios = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 408) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 409) 	return count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 410) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 411) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 412) static int
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 413) qedf_offload_stats_show(struct seq_file *s, void *unused)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 414) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 415) 	struct qedf_ctx *qedf = s->private;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 416) 	struct qed_fcoe_stats *fw_fcoe_stats;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 417) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 418) 	fw_fcoe_stats = kmalloc(sizeof(struct qed_fcoe_stats), GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 419) 	if (!fw_fcoe_stats) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 420) 		QEDF_ERR(&(qedf->dbg_ctx), "Could not allocate memory for "
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 421) 		    "fw_fcoe_stats.\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 422) 		goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 423) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 424) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 425) 	/* Query firmware for offload stats */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 426) 	qed_ops->get_stats(qedf->cdev, fw_fcoe_stats);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 427) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 428) 	seq_printf(s, "fcoe_rx_byte_cnt=%llu\n"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 429) 	    "fcoe_rx_data_pkt_cnt=%llu\n"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 430) 	    "fcoe_rx_xfer_pkt_cnt=%llu\n"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 431) 	    "fcoe_rx_other_pkt_cnt=%llu\n"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 432) 	    "fcoe_silent_drop_pkt_cmdq_full_cnt=%u\n"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 433) 	    "fcoe_silent_drop_pkt_crc_error_cnt=%u\n"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 434) 	    "fcoe_silent_drop_pkt_task_invalid_cnt=%u\n"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 435) 	    "fcoe_silent_drop_total_pkt_cnt=%u\n"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 436) 	    "fcoe_silent_drop_pkt_rq_full_cnt=%u\n"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 437) 	    "fcoe_tx_byte_cnt=%llu\n"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 438) 	    "fcoe_tx_data_pkt_cnt=%llu\n"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 439) 	    "fcoe_tx_xfer_pkt_cnt=%llu\n"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 440) 	    "fcoe_tx_other_pkt_cnt=%llu\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 441) 	    fw_fcoe_stats->fcoe_rx_byte_cnt,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 442) 	    fw_fcoe_stats->fcoe_rx_data_pkt_cnt,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 443) 	    fw_fcoe_stats->fcoe_rx_xfer_pkt_cnt,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 444) 	    fw_fcoe_stats->fcoe_rx_other_pkt_cnt,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 445) 	    fw_fcoe_stats->fcoe_silent_drop_pkt_cmdq_full_cnt,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 446) 	    fw_fcoe_stats->fcoe_silent_drop_pkt_crc_error_cnt,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 447) 	    fw_fcoe_stats->fcoe_silent_drop_pkt_task_invalid_cnt,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 448) 	    fw_fcoe_stats->fcoe_silent_drop_total_pkt_cnt,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 449) 	    fw_fcoe_stats->fcoe_silent_drop_pkt_rq_full_cnt,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 450) 	    fw_fcoe_stats->fcoe_tx_byte_cnt,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 451) 	    fw_fcoe_stats->fcoe_tx_data_pkt_cnt,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 452) 	    fw_fcoe_stats->fcoe_tx_xfer_pkt_cnt,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 453) 	    fw_fcoe_stats->fcoe_tx_other_pkt_cnt);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 454) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 455) 	kfree(fw_fcoe_stats);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 456) out:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 457) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 458) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 459) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 460) static int
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 461) qedf_dbg_offload_stats_open(struct inode *inode, struct file *file)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 462) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 463) 	struct qedf_dbg_ctx *qedf_dbg = inode->i_private;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 464) 	struct qedf_ctx *qedf = container_of(qedf_dbg,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 465) 	    struct qedf_ctx, dbg_ctx);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 466) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 467) 	return single_open(file, qedf_offload_stats_show, qedf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 468) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 469) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 470) const struct file_operations qedf_dbg_fops[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 471) 	qedf_dbg_fileops(qedf, fp_int),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 472) 	qedf_dbg_fileops_seq(qedf, io_trace),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 473) 	qedf_dbg_fileops(qedf, debug),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 474) 	qedf_dbg_fileops(qedf, stop_io_on_error),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 475) 	qedf_dbg_fileops_seq(qedf, driver_stats),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 476) 	qedf_dbg_fileops(qedf, clear_stats),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 477) 	qedf_dbg_fileops_seq(qedf, offload_stats),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 478) 	/* This must be last */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 479) 	{ },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 480) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 481) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 482) #else /* CONFIG_DEBUG_FS */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 483) void qedf_dbg_host_init(struct qedf_dbg_ctx *);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 484) void qedf_dbg_host_exit(struct qedf_dbg_ctx *);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 485) void qedf_dbg_init(char *);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 486) void qedf_dbg_exit(void);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 487) #endif /* CONFIG_DEBUG_FS */