^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) * Copyright(c) 2015-2018 Intel Corporation.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) * This file is provided under a dual BSD/GPLv2 license. When using or
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) * redistributing this file, you may do so under either license.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) * GPL LICENSE SUMMARY
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) * This program is free software; you can redistribute it and/or modify
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) * it under the terms of version 2 of the GNU General Public License as
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) * published by the Free Software Foundation.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) * This program is distributed in the hope that it will be useful, but
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) * WITHOUT ANY WARRANTY; without even the implied warranty of
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) * General Public License for more details.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) * BSD LICENSE
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) * Redistribution and use in source and binary forms, with or without
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) * modification, are permitted provided that the following conditions
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) * are met:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) * - Redistributions of source code must retain the above copyright
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) * notice, this list of conditions and the following disclaimer.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) * - Redistributions in binary form must reproduce the above copyright
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) * notice, this list of conditions and the following disclaimer in
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) * the documentation and/or other materials provided with the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) * distribution.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) * - Neither the name of Intel Corporation nor the names of its
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) * contributors may be used to endorse or promote products derived
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) * from this software without specific prior written permission.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) #include <linux/debugfs.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) #include <linux/seq_file.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) #include <linux/kernel.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) #include <linux/export.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) #include <linux/module.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) #include <linux/string.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) #include <linux/types.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) #include <linux/ratelimit.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) #include <linux/fault-inject.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) #include "hfi.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) #include "trace.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) #include "debugfs.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) #include "device.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) #include "qp.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) #include "sdma.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) #include "fault.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) static struct dentry *hfi1_dbg_root;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) /* wrappers to enforce srcu in seq file */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) ssize_t hfi1_seq_read(struct file *file, char __user *buf, size_t size,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) loff_t *ppos)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) struct dentry *d = file->f_path.dentry;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) ssize_t r;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) r = debugfs_file_get(d);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) if (unlikely(r))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) return r;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) r = seq_read(file, buf, size, ppos);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) debugfs_file_put(d);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) return r;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82) loff_t hfi1_seq_lseek(struct file *file, loff_t offset, int whence)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) struct dentry *d = file->f_path.dentry;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85) loff_t r;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87) r = debugfs_file_get(d);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88) if (unlikely(r))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89) return r;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90) r = seq_lseek(file, offset, whence);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91) debugfs_file_put(d);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92) return r;
^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) #define private2dd(file) (file_inode(file)->i_private)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96) #define private2ppd(file) (file_inode(file)->i_private)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98) static void *_opcode_stats_seq_start(struct seq_file *s, loff_t *pos)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) struct hfi1_opcode_stats_perctx *opstats;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) if (*pos >= ARRAY_SIZE(opstats->stats))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) return NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) return pos;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) static void *_opcode_stats_seq_next(struct seq_file *s, void *v, loff_t *pos)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) struct hfi1_opcode_stats_perctx *opstats;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) ++*pos;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) if (*pos >= ARRAY_SIZE(opstats->stats))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) return NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) return pos;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) static void _opcode_stats_seq_stop(struct seq_file *s, void *v)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) {
^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) static int opcode_stats_show(struct seq_file *s, u8 i, u64 packets, u64 bytes)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) if (!packets && !bytes)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) return SEQ_SKIP;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) seq_printf(s, "%02x %llu/%llu\n", i,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) (unsigned long long)packets,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) (unsigned long long)bytes);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128)
^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) static int _opcode_stats_seq_show(struct seq_file *s, void *v)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) loff_t *spos = v;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) loff_t i = *spos, j;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) u64 n_packets = 0, n_bytes = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) struct hfi1_ibdev *ibd = (struct hfi1_ibdev *)s->private;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) struct hfi1_devdata *dd = dd_from_dev(ibd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) struct hfi1_ctxtdata *rcd;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) for (j = 0; j < dd->first_dyn_alloc_ctxt; j++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) rcd = hfi1_rcd_get_by_index(dd, j);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) if (rcd) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) n_packets += rcd->opstats->stats[i].n_packets;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) n_bytes += rcd->opstats->stats[i].n_bytes;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) hfi1_rcd_put(rcd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) return opcode_stats_show(s, i, n_packets, n_bytes);
^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) DEBUGFS_SEQ_FILE_OPS(opcode_stats);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) DEBUGFS_SEQ_FILE_OPEN(opcode_stats)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) DEBUGFS_FILE_OPS(opcode_stats);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) static void *_tx_opcode_stats_seq_start(struct seq_file *s, loff_t *pos)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) return _opcode_stats_seq_start(s, pos);
^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) static void *_tx_opcode_stats_seq_next(struct seq_file *s, void *v, loff_t *pos)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) return _opcode_stats_seq_next(s, v, pos);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) static void _tx_opcode_stats_seq_stop(struct seq_file *s, void *v)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) {
^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) static int _tx_opcode_stats_seq_show(struct seq_file *s, void *v)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) loff_t *spos = v;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) loff_t i = *spos;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) int j;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) u64 n_packets = 0, n_bytes = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) struct hfi1_ibdev *ibd = (struct hfi1_ibdev *)s->private;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) struct hfi1_devdata *dd = dd_from_dev(ibd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) for_each_possible_cpu(j) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) struct hfi1_opcode_stats_perctx *s =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) per_cpu_ptr(dd->tx_opstats, j);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) n_packets += s->stats[i].n_packets;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) n_bytes += s->stats[i].n_bytes;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) return opcode_stats_show(s, i, n_packets, n_bytes);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) DEBUGFS_SEQ_FILE_OPS(tx_opcode_stats);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) DEBUGFS_SEQ_FILE_OPEN(tx_opcode_stats)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) DEBUGFS_FILE_OPS(tx_opcode_stats);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) static void *_ctx_stats_seq_start(struct seq_file *s, loff_t *pos)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) struct hfi1_ibdev *ibd = (struct hfi1_ibdev *)s->private;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) struct hfi1_devdata *dd = dd_from_dev(ibd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) if (!*pos)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198) return SEQ_START_TOKEN;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) if (*pos >= dd->first_dyn_alloc_ctxt)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) return NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) return pos;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) static void *_ctx_stats_seq_next(struct seq_file *s, void *v, loff_t *pos)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) struct hfi1_ibdev *ibd = (struct hfi1_ibdev *)s->private;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) struct hfi1_devdata *dd = dd_from_dev(ibd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) if (v == SEQ_START_TOKEN)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) return pos;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) ++*pos;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213) if (*pos >= dd->first_dyn_alloc_ctxt)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214) return NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215) return pos;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218) static void _ctx_stats_seq_stop(struct seq_file *s, void *v)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220) /* nothing allocated */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223) static int _ctx_stats_seq_show(struct seq_file *s, void *v)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225) loff_t *spos;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226) loff_t i, j;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227) u64 n_packets = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228) struct hfi1_ibdev *ibd = (struct hfi1_ibdev *)s->private;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229) struct hfi1_devdata *dd = dd_from_dev(ibd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230) struct hfi1_ctxtdata *rcd;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232) if (v == SEQ_START_TOKEN) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233) seq_puts(s, "Ctx:npkts\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 235) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 236)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 237) spos = v;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 238) i = *spos;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 239)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 240) rcd = hfi1_rcd_get_by_index_safe(dd, i);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 241) if (!rcd)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 242) return SEQ_SKIP;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 243)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 244) for (j = 0; j < ARRAY_SIZE(rcd->opstats->stats); j++)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 245) n_packets += rcd->opstats->stats[j].n_packets;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 246)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 247) hfi1_rcd_put(rcd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 248)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 249) if (!n_packets)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 250) return SEQ_SKIP;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 251)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 252) seq_printf(s, " %llu:%llu\n", i, n_packets);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 253) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 254) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 255)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 256) DEBUGFS_SEQ_FILE_OPS(ctx_stats);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 257) DEBUGFS_SEQ_FILE_OPEN(ctx_stats)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 258) DEBUGFS_FILE_OPS(ctx_stats);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 259)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 260) static void *_qp_stats_seq_start(struct seq_file *s, loff_t *pos)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 261) __acquires(RCU)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 262) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 263) struct rvt_qp_iter *iter;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 264) loff_t n = *pos;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 265)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 266) iter = rvt_qp_iter_init(s->private, 0, NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 267)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 268) /* stop calls rcu_read_unlock */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 269) rcu_read_lock();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 270)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 271) if (!iter)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 272) return NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 273)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 274) do {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 275) if (rvt_qp_iter_next(iter)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 276) kfree(iter);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 277) return NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 278) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 279) } while (n--);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 280)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 281) return iter;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 282) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 283)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 284) static void *_qp_stats_seq_next(struct seq_file *s, void *iter_ptr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 285) loff_t *pos)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 286) __must_hold(RCU)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 287) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 288) struct rvt_qp_iter *iter = iter_ptr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 289)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 290) (*pos)++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 291)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 292) if (rvt_qp_iter_next(iter)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 293) kfree(iter);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 294) return NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 295) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 296)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 297) return iter;
^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) static void _qp_stats_seq_stop(struct seq_file *s, void *iter_ptr)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 301) __releases(RCU)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 302) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 303) rcu_read_unlock();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 304) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 305)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 306) static int _qp_stats_seq_show(struct seq_file *s, void *iter_ptr)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 307) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 308) struct rvt_qp_iter *iter = iter_ptr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 309)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 310) if (!iter)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 311) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 312)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 313) qp_iter_print(s, iter);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 314)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 315) return 0;
^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) DEBUGFS_SEQ_FILE_OPS(qp_stats);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 319) DEBUGFS_SEQ_FILE_OPEN(qp_stats)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 320) DEBUGFS_FILE_OPS(qp_stats);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 321)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 322) static void *_sdes_seq_start(struct seq_file *s, loff_t *pos)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 323) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 324) struct hfi1_ibdev *ibd;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 325) struct hfi1_devdata *dd;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 326)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 327) ibd = (struct hfi1_ibdev *)s->private;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 328) dd = dd_from_dev(ibd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 329) if (!dd->per_sdma || *pos >= dd->num_sdma)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 330) return NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 331) return pos;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 332) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 333)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 334) static void *_sdes_seq_next(struct seq_file *s, void *v, loff_t *pos)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 335) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 336) struct hfi1_ibdev *ibd = (struct hfi1_ibdev *)s->private;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 337) struct hfi1_devdata *dd = dd_from_dev(ibd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 338)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 339) ++*pos;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 340) if (!dd->per_sdma || *pos >= dd->num_sdma)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 341) return NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 342) return pos;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 343) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 344)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 345) static void _sdes_seq_stop(struct seq_file *s, void *v)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 346) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 347) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 348)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 349) static int _sdes_seq_show(struct seq_file *s, void *v)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 350) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 351) struct hfi1_ibdev *ibd = (struct hfi1_ibdev *)s->private;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 352) struct hfi1_devdata *dd = dd_from_dev(ibd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 353) loff_t *spos = v;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 354) loff_t i = *spos;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 355)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 356) sdma_seqfile_dump_sde(s, &dd->per_sdma[i]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 357) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 358) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 359)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 360) DEBUGFS_SEQ_FILE_OPS(sdes);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 361) DEBUGFS_SEQ_FILE_OPEN(sdes)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 362) DEBUGFS_FILE_OPS(sdes);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 363)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 364) static void *_rcds_seq_start(struct seq_file *s, loff_t *pos)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 365) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 366) struct hfi1_ibdev *ibd;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 367) struct hfi1_devdata *dd;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 368)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 369) ibd = (struct hfi1_ibdev *)s->private;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 370) dd = dd_from_dev(ibd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 371) if (!dd->rcd || *pos >= dd->n_krcv_queues)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 372) return NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 373) return pos;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 374) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 375)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 376) static void *_rcds_seq_next(struct seq_file *s, void *v, loff_t *pos)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 377) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 378) struct hfi1_ibdev *ibd = (struct hfi1_ibdev *)s->private;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 379) struct hfi1_devdata *dd = dd_from_dev(ibd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 380)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 381) ++*pos;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 382) if (!dd->rcd || *pos >= dd->num_rcv_contexts)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 383) return NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 384) return pos;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 385) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 386)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 387) static void _rcds_seq_stop(struct seq_file *s, void *v)
^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)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 391) static int _rcds_seq_show(struct seq_file *s, void *v)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 392) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 393) struct hfi1_ibdev *ibd = (struct hfi1_ibdev *)s->private;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 394) struct hfi1_devdata *dd = dd_from_dev(ibd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 395) struct hfi1_ctxtdata *rcd;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 396) loff_t *spos = v;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 397) loff_t i = *spos;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 398)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 399) rcd = hfi1_rcd_get_by_index_safe(dd, i);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 400) if (rcd)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 401) seqfile_dump_rcd(s, rcd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 402) hfi1_rcd_put(rcd);
^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)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 406) DEBUGFS_SEQ_FILE_OPS(rcds);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 407) DEBUGFS_SEQ_FILE_OPEN(rcds)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 408) DEBUGFS_FILE_OPS(rcds);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 409)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 410) static void *_pios_seq_start(struct seq_file *s, loff_t *pos)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 411) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 412) struct hfi1_ibdev *ibd;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 413) struct hfi1_devdata *dd;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 414)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 415) ibd = (struct hfi1_ibdev *)s->private;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 416) dd = dd_from_dev(ibd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 417) if (!dd->send_contexts || *pos >= dd->num_send_contexts)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 418) return NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 419) return pos;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 420) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 421)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 422) static void *_pios_seq_next(struct seq_file *s, void *v, loff_t *pos)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 423) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 424) struct hfi1_ibdev *ibd = (struct hfi1_ibdev *)s->private;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 425) struct hfi1_devdata *dd = dd_from_dev(ibd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 426)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 427) ++*pos;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 428) if (!dd->send_contexts || *pos >= dd->num_send_contexts)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 429) return NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 430) return pos;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 431) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 432)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 433) static void _pios_seq_stop(struct seq_file *s, void *v)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 434) {
^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 int _pios_seq_show(struct seq_file *s, void *v)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 438) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 439) struct hfi1_ibdev *ibd = (struct hfi1_ibdev *)s->private;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 440) struct hfi1_devdata *dd = dd_from_dev(ibd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 441) struct send_context_info *sci;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 442) loff_t *spos = v;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 443) loff_t i = *spos;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 444) unsigned long flags;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 445)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 446) spin_lock_irqsave(&dd->sc_lock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 447) sci = &dd->send_contexts[i];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 448) if (sci && sci->type != SC_USER && sci->allocated && sci->sc)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 449) seqfile_dump_sci(s, i, sci);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 450) spin_unlock_irqrestore(&dd->sc_lock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 451) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 452) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 453)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 454) DEBUGFS_SEQ_FILE_OPS(pios);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 455) DEBUGFS_SEQ_FILE_OPEN(pios)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 456) DEBUGFS_FILE_OPS(pios);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 457)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 458) /* read the per-device counters */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 459) static ssize_t dev_counters_read(struct file *file, char __user *buf,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 460) size_t count, loff_t *ppos)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 461) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 462) u64 *counters;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 463) size_t avail;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 464) struct hfi1_devdata *dd;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 465) ssize_t rval;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 466)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 467) dd = private2dd(file);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 468) avail = hfi1_read_cntrs(dd, NULL, &counters);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 469) rval = simple_read_from_buffer(buf, count, ppos, counters, avail);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 470) return rval;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 471) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 472)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 473) /* read the per-device counters */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 474) static ssize_t dev_names_read(struct file *file, char __user *buf,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 475) size_t count, loff_t *ppos)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 476) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 477) char *names;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 478) size_t avail;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 479) struct hfi1_devdata *dd;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 480) ssize_t rval;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 481)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 482) dd = private2dd(file);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 483) avail = hfi1_read_cntrs(dd, &names, NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 484) rval = simple_read_from_buffer(buf, count, ppos, names, avail);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 485) return rval;
^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) struct counter_info {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 489) char *name;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 490) const struct file_operations ops;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 491) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 492)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 493) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 494) * Could use file_inode(file)->i_ino to figure out which file,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 495) * instead of separate routine for each, but for now, this works...
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 496) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 497)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 498) /* read the per-port names (same for each port) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 499) static ssize_t portnames_read(struct file *file, char __user *buf,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 500) size_t count, loff_t *ppos)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 501) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 502) char *names;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 503) size_t avail;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 504) struct hfi1_devdata *dd;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 505) ssize_t rval;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 506)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 507) dd = private2dd(file);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 508) avail = hfi1_read_portcntrs(dd->pport, &names, NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 509) rval = simple_read_from_buffer(buf, count, ppos, names, avail);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 510) return rval;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 511) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 512)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 513) /* read the per-port counters */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 514) static ssize_t portcntrs_debugfs_read(struct file *file, char __user *buf,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 515) size_t count, loff_t *ppos)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 516) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 517) u64 *counters;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 518) size_t avail;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 519) struct hfi1_pportdata *ppd;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 520) ssize_t rval;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 521)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 522) ppd = private2ppd(file);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 523) avail = hfi1_read_portcntrs(ppd, NULL, &counters);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 524) rval = simple_read_from_buffer(buf, count, ppos, counters, avail);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 525) return rval;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 526) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 527)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 528) static void check_dyn_flag(u64 scratch0, char *p, int size, int *used,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 529) int this_hfi, int hfi, u32 flag, const char *what)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 530) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 531) u32 mask;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 532)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 533) mask = flag << (hfi ? CR_DYN_SHIFT : 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 534) if (scratch0 & mask) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 535) *used += scnprintf(p + *used, size - *used,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 536) " 0x%08x - HFI%d %s in use, %s device\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 537) mask, hfi, what,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 538) this_hfi == hfi ? "this" : "other");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 539) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 540) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 541)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 542) static ssize_t asic_flags_read(struct file *file, char __user *buf,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 543) size_t count, loff_t *ppos)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 544) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 545) struct hfi1_pportdata *ppd;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 546) struct hfi1_devdata *dd;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 547) u64 scratch0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 548) char *tmp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 549) int ret = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 550) int size;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 551) int used;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 552) int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 553)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 554) ppd = private2ppd(file);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 555) dd = ppd->dd;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 556) size = PAGE_SIZE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 557) used = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 558) tmp = kmalloc(size, GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 559) if (!tmp)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 560) return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 561)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 562) scratch0 = read_csr(dd, ASIC_CFG_SCRATCH);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 563) used += scnprintf(tmp + used, size - used,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 564) "Resource flags: 0x%016llx\n", scratch0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 565)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 566) /* check permanent flag */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 567) if (scratch0 & CR_THERM_INIT) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 568) used += scnprintf(tmp + used, size - used,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 569) " 0x%08x - thermal monitoring initialized\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 570) (u32)CR_THERM_INIT);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 571) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 572)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 573) /* check each dynamic flag on each HFI */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 574) for (i = 0; i < 2; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 575) check_dyn_flag(scratch0, tmp, size, &used, dd->hfi1_id, i,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 576) CR_SBUS, "SBus");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 577) check_dyn_flag(scratch0, tmp, size, &used, dd->hfi1_id, i,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 578) CR_EPROM, "EPROM");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 579) check_dyn_flag(scratch0, tmp, size, &used, dd->hfi1_id, i,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 580) CR_I2C1, "i2c chain 1");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 581) check_dyn_flag(scratch0, tmp, size, &used, dd->hfi1_id, i,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 582) CR_I2C2, "i2c chain 2");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 583) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 584) used += scnprintf(tmp + used, size - used, "Write bits to clear\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 585)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 586) ret = simple_read_from_buffer(buf, count, ppos, tmp, used);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 587) kfree(tmp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 588) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 589) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 590)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 591) static ssize_t asic_flags_write(struct file *file, const char __user *buf,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 592) size_t count, loff_t *ppos)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 593) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 594) struct hfi1_pportdata *ppd;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 595) struct hfi1_devdata *dd;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 596) char *buff;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 597) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 598) unsigned long long value;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 599) u64 scratch0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 600) u64 clear;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 601)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 602) ppd = private2ppd(file);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 603) dd = ppd->dd;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 604)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 605) /* zero terminate and read the expected integer */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 606) buff = memdup_user_nul(buf, count);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 607) if (IS_ERR(buff))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 608) return PTR_ERR(buff);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 609)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 610) ret = kstrtoull(buff, 0, &value);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 611) if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 612) goto do_free;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 613) clear = value;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 614)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 615) /* obtain exclusive access */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 616) mutex_lock(&dd->asic_data->asic_resource_mutex);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 617) acquire_hw_mutex(dd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 618)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 619) scratch0 = read_csr(dd, ASIC_CFG_SCRATCH);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 620) scratch0 &= ~clear;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 621) write_csr(dd, ASIC_CFG_SCRATCH, scratch0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 622) /* force write to be visible to other HFI on another OS */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 623) (void)read_csr(dd, ASIC_CFG_SCRATCH);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 624)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 625) release_hw_mutex(dd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 626) mutex_unlock(&dd->asic_data->asic_resource_mutex);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 627)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 628) /* return the number of bytes written */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 629) ret = count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 630)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 631) do_free:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 632) kfree(buff);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 633) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 634) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 635)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 636) /* read the dc8051 memory */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 637) static ssize_t dc8051_memory_read(struct file *file, char __user *buf,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 638) size_t count, loff_t *ppos)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 639) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 640) struct hfi1_pportdata *ppd = private2ppd(file);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 641) ssize_t rval;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 642) void *tmp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 643) loff_t start, end;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 644)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 645) /* the checks below expect the position to be positive */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 646) if (*ppos < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 647) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 648)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 649) tmp = kzalloc(DC8051_DATA_MEM_SIZE, GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 650) if (!tmp)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 651) return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 652)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 653) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 654) * Fill in the requested portion of the temporary buffer from the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 655) * 8051 memory. The 8051 memory read is done in terms of 8 bytes.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 656) * Adjust start and end to fit. Skip reading anything if out of
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 657) * range.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 658) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 659) start = *ppos & ~0x7; /* round down */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 660) if (start < DC8051_DATA_MEM_SIZE) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 661) end = (*ppos + count + 7) & ~0x7; /* round up */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 662) if (end > DC8051_DATA_MEM_SIZE)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 663) end = DC8051_DATA_MEM_SIZE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 664) rval = read_8051_data(ppd->dd, start, end - start,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 665) (u64 *)(tmp + start));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 666) if (rval)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 667) goto done;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 668) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 669)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 670) rval = simple_read_from_buffer(buf, count, ppos, tmp,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 671) DC8051_DATA_MEM_SIZE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 672) done:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 673) kfree(tmp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 674) return rval;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 675) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 676)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 677) static ssize_t debugfs_lcb_read(struct file *file, char __user *buf,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 678) size_t count, loff_t *ppos)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 679) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 680) struct hfi1_pportdata *ppd = private2ppd(file);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 681) struct hfi1_devdata *dd = ppd->dd;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 682) unsigned long total, csr_off;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 683) u64 data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 684)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 685) if (*ppos < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 686) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 687) /* only read 8 byte quantities */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 688) if ((count % 8) != 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 689) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 690) /* offset must be 8-byte aligned */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 691) if ((*ppos % 8) != 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 692) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 693) /* do nothing if out of range or zero count */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 694) if (*ppos >= (LCB_END - LCB_START) || !count)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 695) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 696) /* reduce count if needed */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 697) if (*ppos + count > LCB_END - LCB_START)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 698) count = (LCB_END - LCB_START) - *ppos;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 699)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 700) csr_off = LCB_START + *ppos;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 701) for (total = 0; total < count; total += 8, csr_off += 8) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 702) if (read_lcb_csr(dd, csr_off, (u64 *)&data))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 703) break; /* failed */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 704) if (put_user(data, (unsigned long __user *)(buf + total)))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 705) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 706) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 707) *ppos += total;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 708) return total;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 709) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 710)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 711) static ssize_t debugfs_lcb_write(struct file *file, const char __user *buf,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 712) size_t count, loff_t *ppos)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 713) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 714) struct hfi1_pportdata *ppd = private2ppd(file);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 715) struct hfi1_devdata *dd = ppd->dd;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 716) unsigned long total, csr_off, data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 717)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 718) if (*ppos < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 719) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 720) /* only write 8 byte quantities */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 721) if ((count % 8) != 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 722) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 723) /* offset must be 8-byte aligned */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 724) if ((*ppos % 8) != 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 725) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 726) /* do nothing if out of range or zero count */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 727) if (*ppos >= (LCB_END - LCB_START) || !count)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 728) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 729) /* reduce count if needed */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 730) if (*ppos + count > LCB_END - LCB_START)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 731) count = (LCB_END - LCB_START) - *ppos;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 732)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 733) csr_off = LCB_START + *ppos;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 734) for (total = 0; total < count; total += 8, csr_off += 8) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 735) if (get_user(data, (unsigned long __user *)(buf + total)))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 736) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 737) if (write_lcb_csr(dd, csr_off, data))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 738) break; /* failed */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 739) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 740) *ppos += total;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 741) return total;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 742) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 743)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 744) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 745) * read the per-port QSFP data for ppd
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 746) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 747) static ssize_t qsfp_debugfs_dump(struct file *file, char __user *buf,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 748) size_t count, loff_t *ppos)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 749) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 750) struct hfi1_pportdata *ppd;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 751) char *tmp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 752) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 753)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 754) ppd = private2ppd(file);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 755) tmp = kmalloc(PAGE_SIZE, GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 756) if (!tmp)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 757) return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 758)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 759) ret = qsfp_dump(ppd, tmp, PAGE_SIZE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 760) if (ret > 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 761) ret = simple_read_from_buffer(buf, count, ppos, tmp, ret);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 762) kfree(tmp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 763) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 764) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 765)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 766) /* Do an i2c write operation on the chain for the given HFI. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 767) static ssize_t __i2c_debugfs_write(struct file *file, const char __user *buf,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 768) size_t count, loff_t *ppos, u32 target)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 769) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 770) struct hfi1_pportdata *ppd;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 771) char *buff;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 772) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 773) int i2c_addr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 774) int offset;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 775) int total_written;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 776)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 777) ppd = private2ppd(file);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 778)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 779) /* byte offset format: [offsetSize][i2cAddr][offsetHigh][offsetLow] */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 780) i2c_addr = (*ppos >> 16) & 0xffff;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 781) offset = *ppos & 0xffff;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 782)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 783) /* explicitly reject invalid address 0 to catch cp and cat */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 784) if (i2c_addr == 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 785) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 786)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 787) buff = memdup_user(buf, count);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 788) if (IS_ERR(buff))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 789) return PTR_ERR(buff);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 790)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 791) total_written = i2c_write(ppd, target, i2c_addr, offset, buff, count);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 792) if (total_written < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 793) ret = total_written;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 794) goto _free;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 795) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 796)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 797) *ppos += total_written;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 798)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 799) ret = total_written;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 800)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 801) _free:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 802) kfree(buff);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 803) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 804) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 805)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 806) /* Do an i2c write operation on chain for HFI 0. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 807) static ssize_t i2c1_debugfs_write(struct file *file, const char __user *buf,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 808) size_t count, loff_t *ppos)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 809) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 810) return __i2c_debugfs_write(file, buf, count, ppos, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 811) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 812)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 813) /* Do an i2c write operation on chain for HFI 1. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 814) static ssize_t i2c2_debugfs_write(struct file *file, const char __user *buf,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 815) size_t count, loff_t *ppos)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 816) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 817) return __i2c_debugfs_write(file, buf, count, ppos, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 818) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 819)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 820) /* Do an i2c read operation on the chain for the given HFI. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 821) static ssize_t __i2c_debugfs_read(struct file *file, char __user *buf,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 822) size_t count, loff_t *ppos, u32 target)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 823) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 824) struct hfi1_pportdata *ppd;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 825) char *buff;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 826) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 827) int i2c_addr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 828) int offset;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 829) int total_read;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 830)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 831) ppd = private2ppd(file);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 832)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 833) /* byte offset format: [offsetSize][i2cAddr][offsetHigh][offsetLow] */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 834) i2c_addr = (*ppos >> 16) & 0xffff;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 835) offset = *ppos & 0xffff;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 836)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 837) /* explicitly reject invalid address 0 to catch cp and cat */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 838) if (i2c_addr == 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 839) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 840)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 841) buff = kmalloc(count, GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 842) if (!buff)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 843) return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 844)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 845) total_read = i2c_read(ppd, target, i2c_addr, offset, buff, count);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 846) if (total_read < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 847) ret = total_read;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 848) goto _free;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 849) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 850)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 851) *ppos += total_read;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 852)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 853) ret = copy_to_user(buf, buff, total_read);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 854) if (ret > 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 855) ret = -EFAULT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 856) goto _free;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 857) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 858)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 859) ret = total_read;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 860)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 861) _free:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 862) kfree(buff);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 863) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 864) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 865)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 866) /* Do an i2c read operation on chain for HFI 0. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 867) static ssize_t i2c1_debugfs_read(struct file *file, char __user *buf,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 868) size_t count, loff_t *ppos)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 869) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 870) return __i2c_debugfs_read(file, buf, count, ppos, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 871) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 872)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 873) /* Do an i2c read operation on chain for HFI 1. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 874) static ssize_t i2c2_debugfs_read(struct file *file, char __user *buf,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 875) size_t count, loff_t *ppos)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 876) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 877) return __i2c_debugfs_read(file, buf, count, ppos, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 878) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 879)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 880) /* Do a QSFP write operation on the i2c chain for the given HFI. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 881) static ssize_t __qsfp_debugfs_write(struct file *file, const char __user *buf,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 882) size_t count, loff_t *ppos, u32 target)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 883) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 884) struct hfi1_pportdata *ppd;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 885) char *buff;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 886) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 887) int total_written;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 888)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 889) if (*ppos + count > QSFP_PAGESIZE * 4) /* base page + page00-page03 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 890) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 891)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 892) ppd = private2ppd(file);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 893)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 894) buff = memdup_user(buf, count);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 895) if (IS_ERR(buff))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 896) return PTR_ERR(buff);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 897)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 898) total_written = qsfp_write(ppd, target, *ppos, buff, count);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 899) if (total_written < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 900) ret = total_written;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 901) goto _free;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 902) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 903)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 904) *ppos += total_written;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 905)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 906) ret = total_written;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 907)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 908) _free:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 909) kfree(buff);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 910) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 911) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 912)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 913) /* Do a QSFP write operation on i2c chain for HFI 0. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 914) static ssize_t qsfp1_debugfs_write(struct file *file, const char __user *buf,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 915) size_t count, loff_t *ppos)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 916) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 917) return __qsfp_debugfs_write(file, buf, count, ppos, 0);
^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) /* Do a QSFP write operation on i2c chain for HFI 1. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 921) static ssize_t qsfp2_debugfs_write(struct file *file, const char __user *buf,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 922) size_t count, loff_t *ppos)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 923) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 924) return __qsfp_debugfs_write(file, buf, count, ppos, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 925) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 926)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 927) /* Do a QSFP read operation on the i2c chain for the given HFI. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 928) static ssize_t __qsfp_debugfs_read(struct file *file, char __user *buf,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 929) size_t count, loff_t *ppos, u32 target)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 930) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 931) struct hfi1_pportdata *ppd;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 932) char *buff;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 933) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 934) int total_read;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 935)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 936) if (*ppos + count > QSFP_PAGESIZE * 4) { /* base page + page00-page03 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 937) ret = -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 938) goto _return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 939) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 940)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 941) ppd = private2ppd(file);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 942)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 943) buff = kmalloc(count, GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 944) if (!buff) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 945) ret = -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 946) goto _return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 947) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 948)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 949) total_read = qsfp_read(ppd, target, *ppos, buff, count);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 950) if (total_read < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 951) ret = total_read;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 952) goto _free;
^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) *ppos += total_read;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 956)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 957) ret = copy_to_user(buf, buff, total_read);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 958) if (ret > 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 959) ret = -EFAULT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 960) goto _free;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 961) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 962)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 963) ret = total_read;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 964)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 965) _free:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 966) kfree(buff);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 967) _return:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 968) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 969) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 970)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 971) /* Do a QSFP read operation on i2c chain for HFI 0. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 972) static ssize_t qsfp1_debugfs_read(struct file *file, char __user *buf,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 973) size_t count, loff_t *ppos)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 974) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 975) return __qsfp_debugfs_read(file, buf, count, ppos, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 976) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 977)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 978) /* Do a QSFP read operation on i2c chain for HFI 1. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 979) static ssize_t qsfp2_debugfs_read(struct file *file, char __user *buf,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 980) size_t count, loff_t *ppos)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 981) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 982) return __qsfp_debugfs_read(file, buf, count, ppos, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 983) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 984)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 985) static int __i2c_debugfs_open(struct inode *in, struct file *fp, u32 target)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 986) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 987) struct hfi1_pportdata *ppd;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 988)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 989) ppd = private2ppd(fp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 990)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 991) return acquire_chip_resource(ppd->dd, i2c_target(target), 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 992) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 993)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 994) static int i2c1_debugfs_open(struct inode *in, struct file *fp)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 995) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 996) return __i2c_debugfs_open(in, fp, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 997) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 998)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 999) static int i2c2_debugfs_open(struct inode *in, struct file *fp)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1000) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1001) return __i2c_debugfs_open(in, fp, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1002) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1003)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1004) static int __i2c_debugfs_release(struct inode *in, struct file *fp, u32 target)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1005) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1006) struct hfi1_pportdata *ppd;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1007)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1008) ppd = private2ppd(fp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1009)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1010) release_chip_resource(ppd->dd, i2c_target(target));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1011)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1012) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1013) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1014)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1015) static int i2c1_debugfs_release(struct inode *in, struct file *fp)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1016) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1017) return __i2c_debugfs_release(in, fp, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1018) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1019)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1020) static int i2c2_debugfs_release(struct inode *in, struct file *fp)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1021) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1022) return __i2c_debugfs_release(in, fp, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1023) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1024)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1025) static int __qsfp_debugfs_open(struct inode *in, struct file *fp, u32 target)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1026) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1027) struct hfi1_pportdata *ppd;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1028)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1029) ppd = private2ppd(fp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1030)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1031) return acquire_chip_resource(ppd->dd, i2c_target(target), 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1032) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1033)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1034) static int qsfp1_debugfs_open(struct inode *in, struct file *fp)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1035) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1036) return __qsfp_debugfs_open(in, fp, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1037) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1038)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1039) static int qsfp2_debugfs_open(struct inode *in, struct file *fp)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1040) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1041) return __qsfp_debugfs_open(in, fp, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1042) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1043)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1044) static int __qsfp_debugfs_release(struct inode *in, struct file *fp, u32 target)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1045) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1046) struct hfi1_pportdata *ppd;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1047)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1048) ppd = private2ppd(fp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1049)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1050) release_chip_resource(ppd->dd, i2c_target(target));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1051)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1052) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1053) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1054)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1055) static int qsfp1_debugfs_release(struct inode *in, struct file *fp)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1056) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1057) return __qsfp_debugfs_release(in, fp, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1058) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1059)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1060) static int qsfp2_debugfs_release(struct inode *in, struct file *fp)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1061) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1062) return __qsfp_debugfs_release(in, fp, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1063) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1064)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1065) #define EXPROM_WRITE_ENABLE BIT_ULL(14)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1066)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1067) static bool exprom_wp_disabled;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1068)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1069) static int exprom_wp_set(struct hfi1_devdata *dd, bool disable)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1070) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1071) u64 gpio_val = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1072)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1073) if (disable) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1074) gpio_val = EXPROM_WRITE_ENABLE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1075) exprom_wp_disabled = true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1076) dd_dev_info(dd, "Disable Expansion ROM Write Protection\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1077) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1078) exprom_wp_disabled = false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1079) dd_dev_info(dd, "Enable Expansion ROM Write Protection\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1080) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1081)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1082) write_csr(dd, ASIC_GPIO_OUT, gpio_val);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1083) write_csr(dd, ASIC_GPIO_OE, gpio_val);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1084)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1085) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1086) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1087)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1088) static ssize_t exprom_wp_debugfs_read(struct file *file, char __user *buf,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1089) size_t count, loff_t *ppos)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1090) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1091) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1092) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1093)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1094) static ssize_t exprom_wp_debugfs_write(struct file *file,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1095) const char __user *buf, size_t count,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1096) loff_t *ppos)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1097) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1098) struct hfi1_pportdata *ppd = private2ppd(file);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1099) char cdata;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1100)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1101) if (count != 1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1102) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1103) if (get_user(cdata, buf))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1104) return -EFAULT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1105) if (cdata == '0')
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1106) exprom_wp_set(ppd->dd, false);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1107) else if (cdata == '1')
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1108) exprom_wp_set(ppd->dd, true);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1109) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1110) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1111)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1112) return 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1113) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1114)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1115) static unsigned long exprom_in_use;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1116)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1117) static int exprom_wp_debugfs_open(struct inode *in, struct file *fp)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1118) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1119) if (test_and_set_bit(0, &exprom_in_use))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1120) return -EBUSY;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1121)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1122) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1123) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1124)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1125) static int exprom_wp_debugfs_release(struct inode *in, struct file *fp)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1126) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1127) struct hfi1_pportdata *ppd = private2ppd(fp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1128)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1129) if (exprom_wp_disabled)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1130) exprom_wp_set(ppd->dd, false);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1131) clear_bit(0, &exprom_in_use);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1132)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1133) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1134) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1135)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1136) #define DEBUGFS_OPS(nm, readroutine, writeroutine) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1137) { \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1138) .name = nm, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1139) .ops = { \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1140) .owner = THIS_MODULE, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1141) .read = readroutine, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1142) .write = writeroutine, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1143) .llseek = generic_file_llseek, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1144) }, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1145) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1146)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1147) #define DEBUGFS_XOPS(nm, readf, writef, openf, releasef) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1148) { \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1149) .name = nm, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1150) .ops = { \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1151) .owner = THIS_MODULE, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1152) .read = readf, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1153) .write = writef, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1154) .llseek = generic_file_llseek, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1155) .open = openf, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1156) .release = releasef \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1157) }, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1158) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1159)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1160) static const struct counter_info cntr_ops[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1161) DEBUGFS_OPS("counter_names", dev_names_read, NULL),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1162) DEBUGFS_OPS("counters", dev_counters_read, NULL),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1163) DEBUGFS_OPS("portcounter_names", portnames_read, NULL),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1164) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1165)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1166) static const struct counter_info port_cntr_ops[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1167) DEBUGFS_OPS("port%dcounters", portcntrs_debugfs_read, NULL),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1168) DEBUGFS_XOPS("i2c1", i2c1_debugfs_read, i2c1_debugfs_write,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1169) i2c1_debugfs_open, i2c1_debugfs_release),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1170) DEBUGFS_XOPS("i2c2", i2c2_debugfs_read, i2c2_debugfs_write,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1171) i2c2_debugfs_open, i2c2_debugfs_release),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1172) DEBUGFS_OPS("qsfp_dump%d", qsfp_debugfs_dump, NULL),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1173) DEBUGFS_XOPS("qsfp1", qsfp1_debugfs_read, qsfp1_debugfs_write,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1174) qsfp1_debugfs_open, qsfp1_debugfs_release),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1175) DEBUGFS_XOPS("qsfp2", qsfp2_debugfs_read, qsfp2_debugfs_write,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1176) qsfp2_debugfs_open, qsfp2_debugfs_release),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1177) DEBUGFS_XOPS("exprom_wp", exprom_wp_debugfs_read,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1178) exprom_wp_debugfs_write, exprom_wp_debugfs_open,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1179) exprom_wp_debugfs_release),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1180) DEBUGFS_OPS("asic_flags", asic_flags_read, asic_flags_write),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1181) DEBUGFS_OPS("dc8051_memory", dc8051_memory_read, NULL),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1182) DEBUGFS_OPS("lcb", debugfs_lcb_read, debugfs_lcb_write),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1183) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1184)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1185) static void *_sdma_cpu_list_seq_start(struct seq_file *s, loff_t *pos)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1186) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1187) if (*pos >= num_online_cpus())
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1188) return NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1189)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1190) return pos;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1191) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1192)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1193) static void *_sdma_cpu_list_seq_next(struct seq_file *s, void *v, loff_t *pos)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1194) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1195) ++*pos;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1196) if (*pos >= num_online_cpus())
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1197) return NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1198)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1199) return pos;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1200) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1201)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1202) static void _sdma_cpu_list_seq_stop(struct seq_file *s, void *v)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1203) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1204) /* nothing allocated */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1205) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1206)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1207) static int _sdma_cpu_list_seq_show(struct seq_file *s, void *v)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1208) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1209) struct hfi1_ibdev *ibd = (struct hfi1_ibdev *)s->private;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1210) struct hfi1_devdata *dd = dd_from_dev(ibd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1211) loff_t *spos = v;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1212) loff_t i = *spos;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1213)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1214) sdma_seqfile_dump_cpu_list(s, dd, (unsigned long)i);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1215) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1216) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1217)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1218) DEBUGFS_SEQ_FILE_OPS(sdma_cpu_list);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1219) DEBUGFS_SEQ_FILE_OPEN(sdma_cpu_list)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1220) DEBUGFS_FILE_OPS(sdma_cpu_list);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1221)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1222) void hfi1_dbg_ibdev_init(struct hfi1_ibdev *ibd)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1223) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1224) char name[sizeof("port0counters") + 1];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1225) char link[10];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1226) struct hfi1_devdata *dd = dd_from_dev(ibd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1227) struct hfi1_pportdata *ppd;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1228) struct dentry *root;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1229) int unit = dd->unit;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1230) int i, j;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1231)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1232) if (!hfi1_dbg_root)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1233) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1234) snprintf(name, sizeof(name), "%s_%d", class_name(), unit);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1235) snprintf(link, sizeof(link), "%d", unit);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1236) root = debugfs_create_dir(name, hfi1_dbg_root);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1237) ibd->hfi1_ibdev_dbg = root;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1238)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1239) ibd->hfi1_ibdev_link =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1240) debugfs_create_symlink(link, hfi1_dbg_root, name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1241)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1242) debugfs_create_file("opcode_stats", 0444, root, ibd,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1243) &_opcode_stats_file_ops);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1244) debugfs_create_file("tx_opcode_stats", 0444, root, ibd,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1245) &_tx_opcode_stats_file_ops);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1246) debugfs_create_file("ctx_stats", 0444, root, ibd, &_ctx_stats_file_ops);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1247) debugfs_create_file("qp_stats", 0444, root, ibd, &_qp_stats_file_ops);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1248) debugfs_create_file("sdes", 0444, root, ibd, &_sdes_file_ops);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1249) debugfs_create_file("rcds", 0444, root, ibd, &_rcds_file_ops);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1250) debugfs_create_file("pios", 0444, root, ibd, &_pios_file_ops);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1251) debugfs_create_file("sdma_cpu_list", 0444, root, ibd,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1252) &_sdma_cpu_list_file_ops);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1253)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1254) /* dev counter files */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1255) for (i = 0; i < ARRAY_SIZE(cntr_ops); i++)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1256) debugfs_create_file(cntr_ops[i].name, 0444, root, dd,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1257) &cntr_ops[i].ops);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1258)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1259) /* per port files */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1260) for (ppd = dd->pport, j = 0; j < dd->num_pports; j++, ppd++)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1261) for (i = 0; i < ARRAY_SIZE(port_cntr_ops); i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1262) snprintf(name,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1263) sizeof(name),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1264) port_cntr_ops[i].name,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1265) j + 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1266) debugfs_create_file(name,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1267) !port_cntr_ops[i].ops.write ?
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1268) S_IRUGO :
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1269) S_IRUGO | S_IWUSR,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1270) root, ppd, &port_cntr_ops[i].ops);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1271) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1272)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1273) hfi1_fault_init_debugfs(ibd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1274) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1275)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1276) void hfi1_dbg_ibdev_exit(struct hfi1_ibdev *ibd)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1277) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1278) if (!hfi1_dbg_root)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1279) goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1280) hfi1_fault_exit_debugfs(ibd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1281) debugfs_remove(ibd->hfi1_ibdev_link);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1282) debugfs_remove_recursive(ibd->hfi1_ibdev_dbg);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1283) out:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1284) ibd->hfi1_ibdev_dbg = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1285) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1286)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1287) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1288) * driver stats field names, one line per stat, single string. Used by
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1289) * programs like hfistats to print the stats in a way which works for
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1290) * different versions of drivers, without changing program source.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1291) * if hfi1_ib_stats changes, this needs to change. Names need to be
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1292) * 12 chars or less (w/o newline), for proper display by hfistats utility.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1293) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1294) static const char * const hfi1_statnames[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1295) /* must be element 0*/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1296) "KernIntr",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1297) "ErrorIntr",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1298) "Tx_Errs",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1299) "Rcv_Errs",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1300) "H/W_Errs",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1301) "NoPIOBufs",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1302) "CtxtsOpen",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1303) "RcvLen_Errs",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1304) "EgrBufFull",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1305) "EgrHdrFull"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1306) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1307)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1308) static void *_driver_stats_names_seq_start(struct seq_file *s, loff_t *pos)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1309) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1310) if (*pos >= ARRAY_SIZE(hfi1_statnames))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1311) return NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1312) return pos;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1313) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1314)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1315) static void *_driver_stats_names_seq_next(
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1316) struct seq_file *s,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1317) void *v,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1318) loff_t *pos)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1319) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1320) ++*pos;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1321) if (*pos >= ARRAY_SIZE(hfi1_statnames))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1322) return NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1323) return pos;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1324) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1325)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1326) static void _driver_stats_names_seq_stop(struct seq_file *s, void *v)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1327) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1328) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1329)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1330) static int _driver_stats_names_seq_show(struct seq_file *s, void *v)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1331) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1332) loff_t *spos = v;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1333)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1334) seq_printf(s, "%s\n", hfi1_statnames[*spos]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1335) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1336) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1337)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1338) DEBUGFS_SEQ_FILE_OPS(driver_stats_names);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1339) DEBUGFS_SEQ_FILE_OPEN(driver_stats_names)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1340) DEBUGFS_FILE_OPS(driver_stats_names);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1341)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1342) static void *_driver_stats_seq_start(struct seq_file *s, loff_t *pos)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1343) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1344) if (*pos >= ARRAY_SIZE(hfi1_statnames))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1345) return NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1346) return pos;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1347) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1348)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1349) static void *_driver_stats_seq_next(struct seq_file *s, void *v, loff_t *pos)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1350) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1351) ++*pos;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1352) if (*pos >= ARRAY_SIZE(hfi1_statnames))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1353) return NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1354) return pos;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1355) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1356)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1357) static void _driver_stats_seq_stop(struct seq_file *s, void *v)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1358) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1359) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1360)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1361) static u64 hfi1_sps_ints(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1362) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1363) unsigned long index, flags;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1364) struct hfi1_devdata *dd;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1365) u64 sps_ints = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1366)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1367) xa_lock_irqsave(&hfi1_dev_table, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1368) xa_for_each(&hfi1_dev_table, index, dd) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1369) sps_ints += get_all_cpu_total(dd->int_counter);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1370) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1371) xa_unlock_irqrestore(&hfi1_dev_table, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1372) return sps_ints;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1373) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1374)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1375) static int _driver_stats_seq_show(struct seq_file *s, void *v)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1376) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1377) loff_t *spos = v;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1378) char *buffer;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1379) u64 *stats = (u64 *)&hfi1_stats;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1380) size_t sz = seq_get_buf(s, &buffer);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1381)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1382) if (sz < sizeof(u64))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1383) return SEQ_SKIP;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1384) /* special case for interrupts */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1385) if (*spos == 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1386) *(u64 *)buffer = hfi1_sps_ints();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1387) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1388) *(u64 *)buffer = stats[*spos];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1389) seq_commit(s, sizeof(u64));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1390) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1391) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1392)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1393) DEBUGFS_SEQ_FILE_OPS(driver_stats);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1394) DEBUGFS_SEQ_FILE_OPEN(driver_stats)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1395) DEBUGFS_FILE_OPS(driver_stats);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1396)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1397) void hfi1_dbg_init(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1398) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1399) hfi1_dbg_root = debugfs_create_dir(DRIVER_NAME, NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1400) debugfs_create_file("driver_stats_names", 0444, hfi1_dbg_root, NULL,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1401) &_driver_stats_names_file_ops);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1402) debugfs_create_file("driver_stats", 0444, hfi1_dbg_root, NULL,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1403) &_driver_stats_file_ops);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1404) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1405)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1406) void hfi1_dbg_exit(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1407) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1408) debugfs_remove_recursive(hfi1_dbg_root);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1409) hfi1_dbg_root = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1410) }
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
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