diff options
Diffstat (limited to 'drivers/misc/sgi-gru/gruprocfs.c')
| -rw-r--r-- | drivers/misc/sgi-gru/gruprocfs.c | 143 |
1 files changed, 37 insertions, 106 deletions
diff --git a/drivers/misc/sgi-gru/gruprocfs.c b/drivers/misc/sgi-gru/gruprocfs.c index 4f7635922394..97b8b38ab47d 100644 --- a/drivers/misc/sgi-gru/gruprocfs.c +++ b/drivers/misc/sgi-gru/gruprocfs.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* * SN Platform GRU Driver * @@ -6,20 +7,6 @@ * This file supports the /proc interfaces for the GRU driver * * Copyright (c) 2008 Silicon Graphics, Inc. All Rights Reserved. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ #include <linux/proc_fs.h> @@ -132,7 +119,7 @@ static int mcs_statistics_show(struct seq_file *s, void *p) "cch_interrupt_sync", "cch_deallocate", "tfh_write_only", "tfh_write_restart", "tgh_invalidate"}; - seq_printf(s, "%-20s%12s%12s%12s\n", "#id", "count", "aver-clks", "max-clks"); + seq_puts(s, "#id count aver-clks max-clks\n"); for (op = 0; op < mcsop_last; op++) { count = atomic_long_read(&mcs_op_statistics[op].count); total = atomic_long_read(&mcs_op_statistics[op].total); @@ -178,8 +165,7 @@ static int cch_seq_show(struct seq_file *file, void *data) const char *mode[] = { "??", "UPM", "INTR", "OS_POLL" }; if (gid == 0) - seq_printf(file, "#%5s%5s%6s%7s%9s%6s%8s%8s\n", "gid", "bid", - "ctx#", "asid", "pid", "cbrs", "dsbytes", "mode"); + seq_puts(file, "# gid bid ctx# asid pid cbrs dsbytes mode\n"); if (gru) for (i = 0; i < GRU_NUM_CCH; i++) { ts = gru->gs_gts[i]; @@ -204,10 +190,8 @@ static int gru_seq_show(struct seq_file *file, void *data) struct gru_state *gru = GID_TO_GRU(gid); if (gid == 0) { - seq_printf(file, "#%5s%5s%7s%6s%6s%8s%6s%6s\n", "gid", "nid", - "ctx", "cbr", "dsr", "ctx", "cbr", "dsr"); - seq_printf(file, "#%5s%5s%7s%6s%6s%8s%6s%6s\n", "", "", "busy", - "busy", "busy", "free", "free", "free"); + seq_puts(file, "# gid nid ctx cbr dsr ctx cbr dsr\n"); + seq_puts(file, "# busy busy busy free free free\n"); } if (gru) { ctxfree = GRU_NUM_CCH - gru->gs_active_contexts; @@ -270,108 +254,55 @@ static int options_open(struct inode *inode, struct file *file) return single_open(file, options_show, NULL); } -static int cch_open(struct inode *inode, struct file *file) -{ - return seq_open(file, &cch_seq_ops); -} - -static int gru_open(struct inode *inode, struct file *file) -{ - return seq_open(file, &gru_seq_ops); -} - /* *INDENT-OFF* */ -static const struct file_operations statistics_fops = { - .open = statistics_open, - .read = seq_read, - .write = statistics_write, - .llseek = seq_lseek, - .release = single_release, -}; - -static const struct file_operations mcs_statistics_fops = { - .open = mcs_statistics_open, - .read = seq_read, - .write = mcs_statistics_write, - .llseek = seq_lseek, - .release = single_release, +static const struct proc_ops statistics_proc_ops = { + .proc_open = statistics_open, + .proc_read = seq_read, + .proc_write = statistics_write, + .proc_lseek = seq_lseek, + .proc_release = single_release, }; -static const struct file_operations options_fops = { - .open = options_open, - .read = seq_read, - .write = options_write, - .llseek = seq_lseek, - .release = single_release, -}; - -static const struct file_operations cch_fops = { - .open = cch_open, - .read = seq_read, - .llseek = seq_lseek, - .release = seq_release, -}; -static const struct file_operations gru_fops = { - .open = gru_open, - .read = seq_read, - .llseek = seq_lseek, - .release = seq_release, +static const struct proc_ops mcs_statistics_proc_ops = { + .proc_open = mcs_statistics_open, + .proc_read = seq_read, + .proc_write = mcs_statistics_write, + .proc_lseek = seq_lseek, + .proc_release = single_release, }; -static struct proc_entry { - char *name; - umode_t mode; - const struct file_operations *fops; - struct proc_dir_entry *entry; -} proc_files[] = { - {"statistics", 0644, &statistics_fops}, - {"mcs_statistics", 0644, &mcs_statistics_fops}, - {"debug_options", 0644, &options_fops}, - {"cch_status", 0444, &cch_fops}, - {"gru_status", 0444, &gru_fops}, - {NULL} +static const struct proc_ops options_proc_ops = { + .proc_open = options_open, + .proc_read = seq_read, + .proc_write = options_write, + .proc_lseek = seq_lseek, + .proc_release = single_release, }; -/* *INDENT-ON* */ static struct proc_dir_entry *proc_gru __read_mostly; -static int create_proc_file(struct proc_entry *p) -{ - p->entry = proc_create(p->name, p->mode, proc_gru, p->fops); - if (!p->entry) - return -1; - return 0; -} - -static void delete_proc_files(void) -{ - struct proc_entry *p; - - if (proc_gru) { - for (p = proc_files; p->name; p++) - if (p->entry) - remove_proc_entry(p->name, proc_gru); - proc_remove(proc_gru); - } -} - int gru_proc_init(void) { - struct proc_entry *p; - proc_gru = proc_mkdir("sgi_uv/gru", NULL); - - for (p = proc_files; p->name; p++) - if (create_proc_file(p)) - goto err; + if (!proc_gru) + return -1; + if (!proc_create("statistics", 0644, proc_gru, &statistics_proc_ops)) + goto err; + if (!proc_create("mcs_statistics", 0644, proc_gru, &mcs_statistics_proc_ops)) + goto err; + if (!proc_create("debug_options", 0644, proc_gru, &options_proc_ops)) + goto err; + if (!proc_create_seq("cch_status", 0444, proc_gru, &cch_seq_ops)) + goto err; + if (!proc_create_seq("gru_status", 0444, proc_gru, &gru_seq_ops)) + goto err; return 0; - err: - delete_proc_files(); + remove_proc_subtree("sgi_uv/gru", NULL); return -1; } void gru_proc_exit(void) { - delete_proc_files(); + remove_proc_subtree("sgi_uv/gru", NULL); } |