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authorAndré Fabian Silva Delgado <emulatorman@parabola.nu>2015-08-05 17:04:01 -0300
committerAndré Fabian Silva Delgado <emulatorman@parabola.nu>2015-08-05 17:04:01 -0300
commit57f0f512b273f60d52568b8c6b77e17f5636edc0 (patch)
tree5e910f0e82173f4ef4f51111366a3f1299037a7b /arch/ia64/sn/kernel/sn2/sn_proc_fs.c
Initial import
Diffstat (limited to 'arch/ia64/sn/kernel/sn2/sn_proc_fs.c')
-rw-r--r--arch/ia64/sn/kernel/sn2/sn_proc_fs.c117
1 files changed, 117 insertions, 0 deletions
diff --git a/arch/ia64/sn/kernel/sn2/sn_proc_fs.c b/arch/ia64/sn/kernel/sn2/sn_proc_fs.c
new file mode 100644
index 000000000..7aab87f48
--- /dev/null
+++ b/arch/ia64/sn/kernel/sn2/sn_proc_fs.c
@@ -0,0 +1,117 @@
+/*
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License. See the file "COPYING" in the main directory of this archive
+ * for more details.
+ *
+ * Copyright (C) 2000-2005 Silicon Graphics, Inc. All rights reserved.
+ */
+
+#ifdef CONFIG_PROC_FS
+#include <linux/proc_fs.h>
+#include <linux/seq_file.h>
+#include <asm/uaccess.h>
+#include <asm/sn/sn_sal.h>
+
+static int partition_id_show(struct seq_file *s, void *p)
+{
+ seq_printf(s, "%d\n", sn_partition_id);
+ return 0;
+}
+
+static int partition_id_open(struct inode *inode, struct file *file)
+{
+ return single_open(file, partition_id_show, NULL);
+}
+
+static int system_serial_number_show(struct seq_file *s, void *p)
+{
+ seq_printf(s, "%s\n", sn_system_serial_number());
+ return 0;
+}
+
+static int system_serial_number_open(struct inode *inode, struct file *file)
+{
+ return single_open(file, system_serial_number_show, NULL);
+}
+
+static int licenseID_show(struct seq_file *s, void *p)
+{
+ seq_printf(s, "0x%llx\n", sn_partition_serial_number_val());
+ return 0;
+}
+
+static int licenseID_open(struct inode *inode, struct file *file)
+{
+ return single_open(file, licenseID_show, NULL);
+}
+
+static int coherence_id_show(struct seq_file *s, void *p)
+{
+ seq_printf(s, "%d\n", partition_coherence_id());
+
+ return 0;
+}
+
+static int coherence_id_open(struct inode *inode, struct file *file)
+{
+ return single_open(file, coherence_id_show, NULL);
+}
+
+/* /proc/sgi_sn/sn_topology uses seq_file, see sn_hwperf.c */
+extern int sn_topology_open(struct inode *, struct file *);
+extern int sn_topology_release(struct inode *, struct file *);
+
+static const struct file_operations proc_partition_id_fops = {
+ .open = partition_id_open,
+ .read = seq_read,
+ .llseek = seq_lseek,
+ .release = single_release,
+};
+
+static const struct file_operations proc_system_sn_fops = {
+ .open = system_serial_number_open,
+ .read = seq_read,
+ .llseek = seq_lseek,
+ .release = single_release,
+};
+
+static const struct file_operations proc_license_id_fops = {
+ .open = licenseID_open,
+ .read = seq_read,
+ .llseek = seq_lseek,
+ .release = single_release,
+};
+
+static const struct file_operations proc_coherence_id_fops = {
+ .open = coherence_id_open,
+ .read = seq_read,
+ .llseek = seq_lseek,
+ .release = single_release,
+};
+
+static const struct file_operations proc_sn_topo_fops = {
+ .open = sn_topology_open,
+ .read = seq_read,
+ .llseek = seq_lseek,
+ .release = sn_topology_release,
+};
+
+void register_sn_procfs(void)
+{
+ static struct proc_dir_entry *sgi_proc_dir = NULL;
+
+ BUG_ON(sgi_proc_dir != NULL);
+ if (!(sgi_proc_dir = proc_mkdir("sgi_sn", NULL)))
+ return;
+
+ proc_create("partition_id", 0444, sgi_proc_dir,
+ &proc_partition_id_fops);
+ proc_create("system_serial_number", 0444, sgi_proc_dir,
+ &proc_system_sn_fops);
+ proc_create("licenseID", 0444, sgi_proc_dir, &proc_license_id_fops);
+ proc_create("coherence_id", 0444, sgi_proc_dir,
+ &proc_coherence_id_fops);
+ proc_create("sn_topology", 0444, sgi_proc_dir, &proc_sn_topo_fops);
+}
+
+#endif /* CONFIG_PROC_FS */