Bluetooth: Move common debugfs file creation into hci_debugfs.c

This patch moves the creation of the debugs files common for all
controllers into hci_debugfs.c file.

Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>

1 files changed, 200 insertions, 0 deletions

diff --git a/net/bluetooth/hci_debugfs.c b/net/bluetooth/hci_debugfs.c
index b8cf0734cc3d..4d06beef8c53 100644
--- a/net/bluetooth/hci_debugfs.c
+++ b/net/bluetooth/hci_debugfs.c
@@ -28,8 +28,208 @@
 
 #include "hci_debugfs.h"
 
+static int features_show(struct seq_file *f, void *ptr)
+{
+        struct hci_dev *hdev = f->private;
+        u8 p;
+
+        hci_dev_lock(hdev);
+        for (p = 0; p < HCI_MAX_PAGES && p <= hdev->max_page; p++) {
+                seq_printf(f, "%2u: 0x%2.2x 0x%2.2x 0x%2.2x 0x%2.2x "
+                           "0x%2.2x 0x%2.2x 0x%2.2x 0x%2.2x\n", p,
+                           hdev->features[p][0], hdev->features[p][1],
+                           hdev->features[p][2], hdev->features[p][3],
+                           hdev->features[p][4], hdev->features[p][5],
+                           hdev->features[p][6], hdev->features[p][7]);
+        }
+        if (lmp_le_capable(hdev))
+                seq_printf(f, "LE: 0x%2.2x 0x%2.2x 0x%2.2x 0x%2.2x "
+                           "0x%2.2x 0x%2.2x 0x%2.2x 0x%2.2x\n",
+                           hdev->le_features[0], hdev->le_features[1],
+                           hdev->le_features[2], hdev->le_features[3],
+                           hdev->le_features[4], hdev->le_features[5],
+                           hdev->le_features[6], hdev->le_features[7]);
+        hci_dev_unlock(hdev);
+
+        return 0;
+}
+
+static int features_open(struct inode *inode, struct file *file)
+{
+        return single_open(file, features_show, inode->i_private);
+}
+
+static const struct file_operations features_fops = {
+        .open           = features_open,
+        .read           = seq_read,
+        .llseek         = seq_lseek,
+        .release        = single_release,
+};
+
+static int device_list_show(struct seq_file *f, void *ptr)
+{
+        struct hci_dev *hdev = f->private;
+        struct hci_conn_params *p;
+        struct bdaddr_list *b;
+
+        hci_dev_lock(hdev);
+        list_for_each_entry(b, &hdev->whitelist, list)
+                seq_printf(f, "%pMR (type %u)\n", &b->bdaddr, b->bdaddr_type);
+        list_for_each_entry(p, &hdev->le_conn_params, list) {
+                seq_printf(f, "%pMR (type %u) %u\n", &p->addr, p->addr_type,
+                           p->auto_connect);
+        }
+        hci_dev_unlock(hdev);
+
+        return 0;
+}
+
+static int device_list_open(struct inode *inode, struct file *file)
+{
+        return single_open(file, device_list_show, inode->i_private);
+}
+
+static const struct file_operations device_list_fops = {
+        .open           = device_list_open,
+        .read           = seq_read,
+        .llseek         = seq_lseek,
+        .release        = single_release,
+};
+
+static int blacklist_show(struct seq_file *f, void *p)
+{
+        struct hci_dev *hdev = f->private;
+        struct bdaddr_list *b;
+
+        hci_dev_lock(hdev);
+        list_for_each_entry(b, &hdev->blacklist, list)
+                seq_printf(f, "%pMR (type %u)\n", &b->bdaddr, b->bdaddr_type);
+        hci_dev_unlock(hdev);
+
+        return 0;
+}
+
+static int blacklist_open(struct inode *inode, struct file *file)
+{
+        return single_open(file, blacklist_show, inode->i_private);
+}
+
+static const struct file_operations blacklist_fops = {
+        .open           = blacklist_open,
+        .read           = seq_read,
+        .llseek         = seq_lseek,
+        .release        = single_release,
+};
+
+static int uuids_show(struct seq_file *f, void *p)
+{
+        struct hci_dev *hdev = f->private;
+        struct bt_uuid *uuid;
+
+        hci_dev_lock(hdev);
+        list_for_each_entry(uuid, &hdev->uuids, list) {
+                u8 i, val[16];
+
+                /* The Bluetooth UUID values are stored in big endian,
+                 * but with reversed byte order. So convert them into
+                 * the right order for the %pUb modifier.
+                 */
+                for (i = 0; i < 16; i++)
+                        val[i] = uuid->uuid[15 - i];
+
+                seq_printf(f, "%pUb\n", val);
+        }
+        hci_dev_unlock(hdev);
+
+       return 0;
+}
+
+static int uuids_open(struct inode *inode, struct file *file)
+{
+        return single_open(file, uuids_show, inode->i_private);
+}
+
+static const struct file_operations uuids_fops = {
+        .open           = uuids_open,
+        .read           = seq_read,
+        .llseek         = seq_lseek,
+        .release        = single_release,
+};
+
+static int conn_info_min_age_set(void *data, u64 val)
+{
+        struct hci_dev *hdev = data;
+
+        if (val == 0 || val > hdev->conn_info_max_age)
+                return -EINVAL;
+
+        hci_dev_lock(hdev);
+        hdev->conn_info_min_age = val;
+        hci_dev_unlock(hdev);
+
+        return 0;
+}
+
+static int conn_info_min_age_get(void *data, u64 *val)
+{
+        struct hci_dev *hdev = data;
+
+        hci_dev_lock(hdev);
+        *val = hdev->conn_info_min_age;
+        hci_dev_unlock(hdev);
+
+        return 0;
+}
+
+DEFINE_SIMPLE_ATTRIBUTE(conn_info_min_age_fops, conn_info_min_age_get,
+                        conn_info_min_age_set, "%llu\n");
+
+static int conn_info_max_age_set(void *data, u64 val)
+{
+        struct hci_dev *hdev = data;
+
+        if (val == 0 || val < hdev->conn_info_min_age)
+                return -EINVAL;
+
+        hci_dev_lock(hdev);
+        hdev->conn_info_max_age = val;
+        hci_dev_unlock(hdev);
+
+        return 0;
+}
+
+static int conn_info_max_age_get(void *data, u64 *val)
+{
+        struct hci_dev *hdev = data;
+
+        hci_dev_lock(hdev);
+        *val = hdev->conn_info_max_age;
+        hci_dev_unlock(hdev);
+
+        return 0;
+}
+
+DEFINE_SIMPLE_ATTRIBUTE(conn_info_max_age_fops, conn_info_max_age_get,
+                        conn_info_max_age_set, "%llu\n");
+
 void hci_debugfs_create_common(struct hci_dev *hdev)
 {
+        debugfs_create_file("features", 0444, hdev->debugfs, hdev,
+                            &features_fops);
+        debugfs_create_u16("manufacturer", 0444, hdev->debugfs,
+                           &hdev->manufacturer);
+        debugfs_create_u8("hci_version", 0444, hdev->debugfs, &hdev->hci_ver);
+        debugfs_create_u16("hci_revision", 0444, hdev->debugfs, &hdev->hci_rev);
+        debugfs_create_file("device_list", 0444, hdev->debugfs, hdev,
+                            &device_list_fops);
+        debugfs_create_file("blacklist", 0444, hdev->debugfs, hdev,
+                            &blacklist_fops);
+        debugfs_create_file("uuids", 0444, hdev->debugfs, hdev, &uuids_fops);
+
+        debugfs_create_file("conn_info_min_age", 0644, hdev->debugfs, hdev,
+                            &conn_info_min_age_fops);
+        debugfs_create_file("conn_info_max_age", 0644, hdev->debugfs, hdev,
+                            &conn_info_max_age_fops);
 }
 
 void hci_debugfs_create_bredr(struct hci_dev *hdev)