Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / arch / ia64 / sn / kernel / sn2 / sn_proc_fs.c

diff --git a/kernel/arch/ia64/sn/kernel/sn2/sn_proc_fs.c b/kernel/arch/ia64/sn/kernel/sn2/sn_proc_fs.c
new file mode 100644 (file)
index 0000000..7aab87f
--- /dev/null
+++ b/kernel/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 */