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3e45ed3cc1
This patch corrects the SPDX License Identifier style in header files related to USB host controller drivers. For C header files Documentation/process/license-rules.rst mandates C-like comments (opposed to C source files where C++ style should be used). Changes made by using a script provided by Joe Perches here: https://lkml.org/lkml/2019/2/7/46. Suggested-by: Joe Perches <joe@perches.com> Signed-off-by: Nishad Kamdar <nishadkamdar@gmail.com> Link: https://lore.kernel.org/r/20200404092135.GA4522@nishad Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
134 lines
3.8 KiB
C
134 lines
3.8 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* xhci-debugfs.h - xHCI debugfs interface
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*
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* Copyright (C) 2017 Intel Corporation
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*
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* Author: Lu Baolu <baolu.lu@linux.intel.com>
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*/
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#ifndef __LINUX_XHCI_DEBUGFS_H
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#define __LINUX_XHCI_DEBUGFS_H
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#include <linux/debugfs.h>
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#define DEBUGFS_NAMELEN 32
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#define REG_CAPLENGTH 0x00
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#define REG_HCSPARAMS1 0x04
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#define REG_HCSPARAMS2 0x08
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#define REG_HCSPARAMS3 0x0c
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#define REG_HCCPARAMS1 0x10
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#define REG_DOORBELLOFF 0x14
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#define REG_RUNTIMEOFF 0x18
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#define REG_HCCPARAMS2 0x1c
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#define REG_USBCMD 0x00
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#define REG_USBSTS 0x04
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#define REG_PAGESIZE 0x08
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#define REG_DNCTRL 0x14
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#define REG_CRCR 0x18
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#define REG_DCBAAP_LOW 0x30
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#define REG_DCBAAP_HIGH 0x34
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#define REG_CONFIG 0x38
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#define REG_MFINDEX 0x00
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#define REG_IR0_IMAN 0x20
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#define REG_IR0_IMOD 0x24
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#define REG_IR0_ERSTSZ 0x28
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#define REG_IR0_ERSTBA_LOW 0x30
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#define REG_IR0_ERSTBA_HIGH 0x34
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#define REG_IR0_ERDP_LOW 0x38
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#define REG_IR0_ERDP_HIGH 0x3c
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#define REG_EXTCAP_USBLEGSUP 0x00
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#define REG_EXTCAP_USBLEGCTLSTS 0x04
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#define REG_EXTCAP_REVISION 0x00
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#define REG_EXTCAP_NAME 0x04
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#define REG_EXTCAP_PORTINFO 0x08
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#define REG_EXTCAP_PORTTYPE 0x0c
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#define REG_EXTCAP_MANTISSA1 0x10
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#define REG_EXTCAP_MANTISSA2 0x14
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#define REG_EXTCAP_MANTISSA3 0x18
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#define REG_EXTCAP_MANTISSA4 0x1c
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#define REG_EXTCAP_MANTISSA5 0x20
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#define REG_EXTCAP_MANTISSA6 0x24
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#define REG_EXTCAP_DBC_CAPABILITY 0x00
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#define REG_EXTCAP_DBC_DOORBELL 0x04
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#define REG_EXTCAP_DBC_ERSTSIZE 0x08
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#define REG_EXTCAP_DBC_ERST_LOW 0x10
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#define REG_EXTCAP_DBC_ERST_HIGH 0x14
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#define REG_EXTCAP_DBC_ERDP_LOW 0x18
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#define REG_EXTCAP_DBC_ERDP_HIGH 0x1c
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#define REG_EXTCAP_DBC_CONTROL 0x20
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#define REG_EXTCAP_DBC_STATUS 0x24
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#define REG_EXTCAP_DBC_PORTSC 0x28
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#define REG_EXTCAP_DBC_CONT_LOW 0x30
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#define REG_EXTCAP_DBC_CONT_HIGH 0x34
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#define REG_EXTCAP_DBC_DEVINFO1 0x38
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#define REG_EXTCAP_DBC_DEVINFO2 0x3c
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#define dump_register(nm) \
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{ \
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.name = __stringify(nm), \
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.offset = REG_ ##nm, \
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}
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struct xhci_regset {
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char name[DEBUGFS_NAMELEN];
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struct debugfs_regset32 regset;
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size_t nregs;
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struct list_head list;
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};
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struct xhci_file_map {
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const char *name;
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int (*show)(struct seq_file *s, void *unused);
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};
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struct xhci_ep_priv {
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char name[DEBUGFS_NAMELEN];
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struct dentry *root;
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};
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struct xhci_slot_priv {
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char name[DEBUGFS_NAMELEN];
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struct dentry *root;
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struct xhci_ep_priv *eps[31];
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struct xhci_virt_device *dev;
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};
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#ifdef CONFIG_DEBUG_FS
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void xhci_debugfs_init(struct xhci_hcd *xhci);
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void xhci_debugfs_exit(struct xhci_hcd *xhci);
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void __init xhci_debugfs_create_root(void);
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void __exit xhci_debugfs_remove_root(void);
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void xhci_debugfs_create_slot(struct xhci_hcd *xhci, int slot_id);
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void xhci_debugfs_remove_slot(struct xhci_hcd *xhci, int slot_id);
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void xhci_debugfs_create_endpoint(struct xhci_hcd *xhci,
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struct xhci_virt_device *virt_dev,
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int ep_index);
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void xhci_debugfs_remove_endpoint(struct xhci_hcd *xhci,
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struct xhci_virt_device *virt_dev,
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int ep_index);
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#else
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static inline void xhci_debugfs_init(struct xhci_hcd *xhci) { }
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static inline void xhci_debugfs_exit(struct xhci_hcd *xhci) { }
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static inline void __init xhci_debugfs_create_root(void) { }
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static inline void __exit xhci_debugfs_remove_root(void) { }
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static inline void xhci_debugfs_create_slot(struct xhci_hcd *x, int s) { }
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static inline void xhci_debugfs_remove_slot(struct xhci_hcd *x, int s) { }
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static inline void
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xhci_debugfs_create_endpoint(struct xhci_hcd *xhci,
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struct xhci_virt_device *virt_dev,
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int ep_index) { }
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static inline void
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xhci_debugfs_remove_endpoint(struct xhci_hcd *xhci,
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struct xhci_virt_device *virt_dev,
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int ep_index) { }
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#endif /* CONFIG_DEBUG_FS */
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#endif /* __LINUX_XHCI_DEBUGFS_H */
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