forked from Minki/linux
Bluetooth: hci_core: Move all debugfs handling to hci_debugfs.c
This moves hci_debugfs_create_basic to hci_debugfs.c which is where all the others debugfs entries are handled. Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
This commit is contained in:
Luiz Augusto von Dentz
Marcel Holtmann
parent
3e5f2d90c2
commit
8331dc487f
@ -62,130 +62,6 @@ DEFINE_MUTEX(hci_cb_list_lock);
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/* HCI ID Numbering */
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static DEFINE_IDA(hci_index_ida);
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/* ---- HCI debugfs entries ---- */
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static ssize_t dut_mode_read(struct file *file, char __user *user_buf,
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size_t count, loff_t *ppos)
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{
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struct hci_dev *hdev = file->private_data;
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char buf[3];
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buf[0] = hci_dev_test_flag(hdev, HCI_DUT_MODE) ? 'Y' : 'N';
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buf[1] = '\n';
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buf[2] = '\0';
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return simple_read_from_buffer(user_buf, count, ppos, buf, 2);
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}
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static ssize_t dut_mode_write(struct file *file, const char __user *user_buf,
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size_t count, loff_t *ppos)
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{
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struct hci_dev *hdev = file->private_data;
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struct sk_buff *skb;
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bool enable;
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int err;
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if (!test_bit(HCI_UP, &hdev->flags))
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return -ENETDOWN;
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err = kstrtobool_from_user(user_buf, count, &enable);
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if (err)
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return err;
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if (enable == hci_dev_test_flag(hdev, HCI_DUT_MODE))
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return -EALREADY;
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hci_req_sync_lock(hdev);
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if (enable)
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skb = __hci_cmd_sync(hdev, HCI_OP_ENABLE_DUT_MODE, 0, NULL,
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HCI_CMD_TIMEOUT);
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else
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skb = __hci_cmd_sync(hdev, HCI_OP_RESET, 0, NULL,
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HCI_CMD_TIMEOUT);
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hci_req_sync_unlock(hdev);
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if (IS_ERR(skb))
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return PTR_ERR(skb);
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kfree_skb(skb);
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hci_dev_change_flag(hdev, HCI_DUT_MODE);
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return count;
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}
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static const struct file_operations dut_mode_fops = {
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.open = simple_open,
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.read = dut_mode_read,
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.write = dut_mode_write,
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.llseek = default_llseek,
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};
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static ssize_t vendor_diag_read(struct file *file, char __user *user_buf,
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size_t count, loff_t *ppos)
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{
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struct hci_dev *hdev = file->private_data;
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char buf[3];
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buf[0] = hci_dev_test_flag(hdev, HCI_VENDOR_DIAG) ? 'Y' : 'N';
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buf[1] = '\n';
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buf[2] = '\0';
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return simple_read_from_buffer(user_buf, count, ppos, buf, 2);
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}
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static ssize_t vendor_diag_write(struct file *file, const char __user *user_buf,
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size_t count, loff_t *ppos)
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{
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struct hci_dev *hdev = file->private_data;
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bool enable;
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int err;
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err = kstrtobool_from_user(user_buf, count, &enable);
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if (err)
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return err;
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/* When the diagnostic flags are not persistent and the transport
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* is not active or in user channel operation, then there is no need
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* for the vendor callback. Instead just store the desired value and
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* the setting will be programmed when the controller gets powered on.
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*/
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if (test_bit(HCI_QUIRK_NON_PERSISTENT_DIAG, &hdev->quirks) &&
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(!test_bit(HCI_RUNNING, &hdev->flags) ||
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hci_dev_test_flag(hdev, HCI_USER_CHANNEL)))
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goto done;
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hci_req_sync_lock(hdev);
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err = hdev->set_diag(hdev, enable);
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hci_req_sync_unlock(hdev);
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if (err < 0)
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return err;
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done:
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if (enable)
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hci_dev_set_flag(hdev, HCI_VENDOR_DIAG);
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else
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hci_dev_clear_flag(hdev, HCI_VENDOR_DIAG);
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return count;
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}
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static const struct file_operations vendor_diag_fops = {
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.open = simple_open,
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.read = vendor_diag_read,
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.write = vendor_diag_write,
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.llseek = default_llseek,
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};
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static void hci_debugfs_create_basic(struct hci_dev *hdev)
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{
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debugfs_create_file("dut_mode", 0644, hdev->debugfs, hdev,
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&dut_mode_fops);
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if (hdev->set_diag)
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debugfs_create_file("vendor_diag", 0644, hdev->debugfs, hdev,
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&vendor_diag_fops);
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}
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static int hci_reset_req(struct hci_request *req, unsigned long opt)
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{
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BT_DBG("%s %ld", req->hdev->name, opt);
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@ -27,6 +27,7 @@
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#include <net/bluetooth/hci_core.h>
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#include "smp.h"
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#include "hci_request.h"
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#include "hci_debugfs.h"
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#define DEFINE_QUIRK_ATTRIBUTE(__name, __quirk) \
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@ -1250,3 +1251,125 @@ void hci_debugfs_create_conn(struct hci_conn *conn)
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snprintf(name, sizeof(name), "%u", conn->handle);
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conn->debugfs = debugfs_create_dir(name, hdev->debugfs);
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}
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static ssize_t dut_mode_read(struct file *file, char __user *user_buf,
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size_t count, loff_t *ppos)
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{
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struct hci_dev *hdev = file->private_data;
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char buf[3];
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buf[0] = hci_dev_test_flag(hdev, HCI_DUT_MODE) ? 'Y' : 'N';
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buf[1] = '\n';
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buf[2] = '\0';
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return simple_read_from_buffer(user_buf, count, ppos, buf, 2);
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}
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static ssize_t dut_mode_write(struct file *file, const char __user *user_buf,
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size_t count, loff_t *ppos)
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{
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struct hci_dev *hdev = file->private_data;
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struct sk_buff *skb;
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bool enable;
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int err;
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if (!test_bit(HCI_UP, &hdev->flags))
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return -ENETDOWN;
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err = kstrtobool_from_user(user_buf, count, &enable);
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if (err)
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return err;
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if (enable == hci_dev_test_flag(hdev, HCI_DUT_MODE))
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return -EALREADY;
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hci_req_sync_lock(hdev);
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if (enable)
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skb = __hci_cmd_sync(hdev, HCI_OP_ENABLE_DUT_MODE, 0, NULL,
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HCI_CMD_TIMEOUT);
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else
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skb = __hci_cmd_sync(hdev, HCI_OP_RESET, 0, NULL,
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HCI_CMD_TIMEOUT);
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hci_req_sync_unlock(hdev);
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if (IS_ERR(skb))
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return PTR_ERR(skb);
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kfree_skb(skb);
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hci_dev_change_flag(hdev, HCI_DUT_MODE);
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return count;
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}
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static const struct file_operations dut_mode_fops = {
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.open = simple_open,
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.read = dut_mode_read,
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.write = dut_mode_write,
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.llseek = default_llseek,
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};
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static ssize_t vendor_diag_read(struct file *file, char __user *user_buf,
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size_t count, loff_t *ppos)
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{
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struct hci_dev *hdev = file->private_data;
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char buf[3];
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buf[0] = hci_dev_test_flag(hdev, HCI_VENDOR_DIAG) ? 'Y' : 'N';
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buf[1] = '\n';
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buf[2] = '\0';
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return simple_read_from_buffer(user_buf, count, ppos, buf, 2);
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}
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static ssize_t vendor_diag_write(struct file *file, const char __user *user_buf,
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size_t count, loff_t *ppos)
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{
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struct hci_dev *hdev = file->private_data;
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bool enable;
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int err;
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err = kstrtobool_from_user(user_buf, count, &enable);
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if (err)
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return err;
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/* When the diagnostic flags are not persistent and the transport
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* is not active or in user channel operation, then there is no need
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* for the vendor callback. Instead just store the desired value and
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* the setting will be programmed when the controller gets powered on.
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*/
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if (test_bit(HCI_QUIRK_NON_PERSISTENT_DIAG, &hdev->quirks) &&
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(!test_bit(HCI_RUNNING, &hdev->flags) ||
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hci_dev_test_flag(hdev, HCI_USER_CHANNEL)))
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goto done;
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hci_req_sync_lock(hdev);
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err = hdev->set_diag(hdev, enable);
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hci_req_sync_unlock(hdev);
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if (err < 0)
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return err;
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done:
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if (enable)
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hci_dev_set_flag(hdev, HCI_VENDOR_DIAG);
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else
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hci_dev_clear_flag(hdev, HCI_VENDOR_DIAG);
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return count;
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}
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static const struct file_operations vendor_diag_fops = {
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.open = simple_open,
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.read = vendor_diag_read,
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.write = vendor_diag_write,
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.llseek = default_llseek,
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};
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void hci_debugfs_create_basic(struct hci_dev *hdev)
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{
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debugfs_create_file("dut_mode", 0644, hdev->debugfs, hdev,
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&dut_mode_fops);
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if (hdev->set_diag)
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debugfs_create_file("vendor_diag", 0644, hdev->debugfs, hdev,
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&vendor_diag_fops);
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}
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@ -26,6 +26,7 @@ void hci_debugfs_create_common(struct hci_dev *hdev);
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void hci_debugfs_create_bredr(struct hci_dev *hdev);
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void hci_debugfs_create_le(struct hci_dev *hdev);
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void hci_debugfs_create_conn(struct hci_conn *conn);
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void hci_debugfs_create_basic(struct hci_dev *hdev);
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#else
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@ -45,4 +46,8 @@ static inline void hci_debugfs_create_conn(struct hci_conn *conn)
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{
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}
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static inline void hci_debugfs_create_basic(struct hci_dev *hdev)
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{
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}
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#endif
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