AuxXxilium/linux_dsm_epyc7002
1
0
Fork 0
mirror of https://github.com/AuxXxilium/linux_dsm_epyc7002.git synced 2024-12-17 06:37:10 +07:00
Code Issues Actions Packages Projects Releases Wiki Activity
1e23aace21
linux_dsm_epyc7002/include/linux/dio.h
Greg Kroah-Hartman b24413180f License cleanup: add SPDX GPL-2.0 license identifier to files with no license 
Many source files in the tree are missing licensing information, which
makes it harder for compliance tools to determine the correct license.

By default all files without license information are under the default
license of the kernel, which is GPL version 2.

Update the files which contain no license information with the 'GPL-2.0'
SPDX license identifier.  The SPDX identifier is a legally binding
shorthand, which can be used instead of the full boiler plate text.

This patch is based on work done by Thomas Gleixner and Kate Stewart and
Philippe Ombredanne.

How this work was done:

Patches were generated and checked against linux-4.14-rc6 for a subset of
the use cases:
 - file had no licensing information it it.
 - file was a */uapi/* one with no licensing information in it,
 - file was a */uapi/* one with existing licensing information,

Further patches will be generated in subsequent months to fix up cases
where non-standard license headers were used, and references to license
had to be inferred by heuristics based on keywords.

The analysis to determine which SPDX License Identifier to be applied to
a file was done in a spreadsheet of side by side results from of the
output of two independent scanners (ScanCode & Windriver) producing SPDX
tag:value files created by Philippe Ombredanne.  Philippe prepared the
base worksheet, and did an initial spot review of a few 1000 files.

The 4.13 kernel was the starting point of the analysis with 60,537 files
assessed.  Kate Stewart did a file by file comparison of the scanner
results in the spreadsheet to determine which SPDX license identifier(s)
to be applied to the file. She confirmed any determination that was not
immediately clear with lawyers working with the Linux Foundation.

Criteria used to select files for SPDX license identifier tagging was:
 - Files considered eligible had to be source code files.
 - Make and config files were included as candidates if they contained >5
   lines of source
 - File already had some variant of a license header in it (even if <5
   lines).

All documentation files were explicitly excluded.

The following heuristics were used to determine which SPDX license
identifiers to apply.

 - when both scanners couldn't find any license traces, file was
   considered to have no license information in it, and the top level
   COPYING file license applied.

   For non */uapi/* files that summary was:

   SPDX license identifier                            # files
   ---------------------------------------------------|-------
   GPL-2.0                                              11139

   and resulted in the first patch in this series.

   If that file was a */uapi/* path one, it was "GPL-2.0 WITH
   Linux-syscall-note" otherwise it was "GPL-2.0".  Results of that was:

   SPDX license identifier                            # files
   ---------------------------------------------------|-------
   GPL-2.0 WITH Linux-syscall-note                        930

   and resulted in the second patch in this series.

 - if a file had some form of licensing information in it, and was one
   of the */uapi/* ones, it was denoted with the Linux-syscall-note if
   any GPL family license was found in the file or had no licensing in
   it (per prior point).  Results summary:

   SPDX license identifier                            # files
   ---------------------------------------------------|------
   GPL-2.0 WITH Linux-syscall-note                       270
   GPL-2.0+ WITH Linux-syscall-note                      169
   ((GPL-2.0 WITH Linux-syscall-note) OR BSD-2-Clause)    21
   ((GPL-2.0 WITH Linux-syscall-note) OR BSD-3-Clause)    17
   LGPL-2.1+ WITH Linux-syscall-note                      15
   GPL-1.0+ WITH Linux-syscall-note                       14
   ((GPL-2.0+ WITH Linux-syscall-note) OR BSD-3-Clause)    5
   LGPL-2.0+ WITH Linux-syscall-note                       4
   LGPL-2.1 WITH Linux-syscall-note                        3
   ((GPL-2.0 WITH Linux-syscall-note) OR MIT)              3
   ((GPL-2.0 WITH Linux-syscall-note) AND MIT)             1

   and that resulted in the third patch in this series.

 - when the two scanners agreed on the detected license(s), that became
   the concluded license(s).

 - when there was disagreement between the two scanners (one detected a
   license but the other didn't, or they both detected different
   licenses) a manual inspection of the file occurred.

 - In most cases a manual inspection of the information in the file
   resulted in a clear resolution of the license that should apply (and
   which scanner probably needed to revisit its heuristics).

 - When it was not immediately clear, the license identifier was
   confirmed with lawyers working with the Linux Foundation.

 - If there was any question as to the appropriate license identifier,
   the file was flagged for further research and to be revisited later
   in time.

In total, over 70 hours of logged manual review was done on the
spreadsheet to determine the SPDX license identifiers to apply to the
source files by Kate, Philippe, Thomas and, in some cases, confirmation
by lawyers working with the Linux Foundation.

Kate also obtained a third independent scan of the 4.13 code base from
FOSSology, and compared selected files where the other two scanners
disagreed against that SPDX file, to see if there was new insights.  The
Windriver scanner is based on an older version of FOSSology in part, so
they are related.

Thomas did random spot checks in about 500 files from the spreadsheets
for the uapi headers and agreed with SPDX license identifier in the
files he inspected. For the non-uapi files Thomas did random spot checks
in about 15000 files.

In initial set of patches against 4.14-rc6, 3 files were found to have
copy/paste license identifier errors, and have been fixed to reflect the
correct identifier.

Additionally Philippe spent 10 hours this week doing a detailed manual
inspection and review of the 12,461 patched files from the initial patch
version early this week with:
 - a full scancode scan run, collecting the matched texts, detected
   license ids and scores
 - reviewing anything where there was a license detected (about 500+
   files) to ensure that the applied SPDX license was correct
 - reviewing anything where there was no detection but the patch license
   was not GPL-2.0 WITH Linux-syscall-note to ensure that the applied
   SPDX license was correct

This produced a worksheet with 20 files needing minor correction.  This
worksheet was then exported into 3 different .csv files for the
different types of files to be modified.

These .csv files were then reviewed by Greg.  Thomas wrote a script to
parse the csv files and add the proper SPDX tag to the file, in the
format that the file expected.  This script was further refined by Greg
based on the output to detect more types of files automatically and to
distinguish between header and source .c files (which need different
comment types.)  Finally Greg ran the script using the .csv files to
generate the patches.

Reviewed-by: Kate Stewart <kstewart@linuxfoundation.org>
Reviewed-by: Philippe Ombredanne <pombredanne@nexb.com>
Reviewed-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-11-02 11:10:55 +01:00

282 lines
11 KiB
C
Raw Blame History

/* SPDX-License-Identifier: GPL-2.0 */
/* header file for DIO boards for the HP300 architecture.
* Maybe this should handle DIO-II later?
* The general structure of this is vaguely based on how
* the Amiga port handles Zorro boards.
* Copyright (C) Peter Maydell 05/1998 <pmaydell@chiark.greenend.org.uk>
* Converted to driver model Jochen Friedrich <jochen@scram.de>
*
* The board IDs are from the NetBSD kernel, which for once provided
* helpful comments...
*
* This goes with drivers/dio/dio.c
*/
#ifndef _LINUX_DIO_H
#define _LINUX_DIO_H
/* The DIO boards in a system are distinguished by 'select codes' which
* range from 0-63 (DIO) and 132-255 (DIO-II).
* The DIO board with select code sc is located at physical address
* 0x600000 + sc * 0x10000
* So DIO cards cover [0x600000-0x800000); the areas [0x200000-0x400000) and
* [0x800000-0x1000000) are for additional space required by things
* like framebuffers. [0x400000-0x600000) is for miscellaneous internal I/O.
* On Linux, this is currently all mapped into the virtual address space
* at 0xf0000000 on bootup.
* DIO-II boards are at 0x1000000 + (sc - 132) * 0x400000
* which is address range [0x1000000-0x20000000) -- too big to map completely,
* so currently we just don't handle DIO-II boards. It wouldn't be hard to
* do with ioremap() though.
*/
#include <linux/device.h>
#ifdef __KERNEL__
#include <asm/hp300hw.h>
typedef __u16 dio_id;
/*
* DIO devices
*/
struct dio_dev {
struct dio_bus *bus;
dio_id id;
int scode;
struct dio_driver *driver; /* which driver has allocated this device */
struct device dev; /* Generic device interface */
u8 ipl;
char name[64];
struct resource resource;
};
#define to_dio_dev(n) container_of(n, struct dio_dev, dev)
/*
* DIO bus
*/
struct dio_bus {
struct list_head devices; /* list of devices on this bus */
unsigned int num_resources; /* number of resources */
struct resource resources[2]; /* address space routed to this bus */
struct device dev;
char name[10];
};
extern struct dio_bus dio_bus; /* Single DIO bus */
extern struct bus_type dio_bus_type;
/*
* DIO device IDs
*/
struct dio_device_id {
dio_id id; /* Device ID or DIO_WILDCARD */
unsigned long driver_data; /* Data private to the driver */
};
/*
* DIO device drivers
*/
struct dio_driver {
struct list_head node;
char *name;
const struct dio_device_id *id_table; /* NULL if wants all devices */
int (*probe)(struct dio_dev *z, const struct dio_device_id *id);
/* New device inserted */
void (*remove)(struct dio_dev *z); /* Device removed (NULL if not a hot-plug capable driver) */
struct device_driver driver;
};
#define to_dio_driver(drv) container_of(drv, struct dio_driver, driver)
/* DIO/DIO-II boards all have the following 8bit registers.
* These are offsets from the base of the device.
*/
#define DIO_IDOFF 0x01 /* primary device ID */
#define DIO_IPLOFF 0x03 /* interrupt priority level */
#define DIO_SECIDOFF 0x15 /* secondary device ID */
#define DIOII_SIZEOFF 0x101 /* device size, DIO-II only */
#define DIO_VIRADDRBASE 0xf0000000UL /* vir addr where IOspace is mapped */
#define DIO_BASE 0x600000 /* start of DIO space */
#define DIO_END 0x1000000 /* end of DIO space */
#define DIO_DEVSIZE 0x10000 /* size of a DIO device */
#define DIOII_BASE 0x01000000 /* start of DIO-II space */
#define DIOII_END 0x20000000 /* end of DIO-II space */
#define DIOII_DEVSIZE 0x00400000 /* size of a DIO-II device */
/* Highest valid select code. If we add DIO-II support this should become
* 256 for everything except HP320, which only has DIO.
*/
#define DIO_SCMAX (hp300_model == HP_320 ? 32 : 256)
#define DIOII_SCBASE 132 /* lowest DIO-II select code */
#define DIO_SCINHOLE(scode) (((scode) >= 32) && ((scode) < DIOII_SCBASE))
#define DIO_ISDIOII(scode) ((scode) >= 132 && (scode) < 256)
/* macros to read device IDs, given base address */
#define DIO_ID(baseaddr) in_8((baseaddr) + DIO_IDOFF)
#define DIO_SECID(baseaddr) in_8((baseaddr) + DIO_SECIDOFF)
/* extract the interrupt level */
#define DIO_IPL(baseaddr) (((in_8((baseaddr) + DIO_IPLOFF) >> 4) & 0x03) + 3)
/* find the size of a DIO-II board's address space.
* DIO boards are all fixed length.
*/
#define DIOII_SIZE(baseaddr) ((in_8((baseaddr) + DIOII_SIZEOFF) + 1) * 0x100000)
/* general purpose macro for both DIO and DIO-II */
#define DIO_SIZE(scode, base) (DIO_ISDIOII((scode)) ? DIOII_SIZE((base)) : DIO_DEVSIZE)
/* The hardware has primary and secondary IDs; we encode these in a single
* int as PRIMARY ID & (SECONDARY ID << 8).
* In practice this is only important for framebuffers,
* and everybody else just sets ID fields equal to the DIO_ID_FOO value.
*/
#define DIO_ENCODE_ID(pr,sec) ((((int)sec & 0xff) << 8) | ((int)pr & 0xff))
/* macro to determine whether a given primary ID requires a secondary ID byte */
#define DIO_NEEDSSECID(id) ((id) == DIO_ID_FBUFFER)
#define DIO_WILDCARD 0xff
/* Now a whole slew of macros giving device IDs and descriptive strings: */
#define DIO_ID_DCA0 0x02 /* 98644A serial */
#define DIO_DESC_DCA0 "98644A DCA0 serial"
#define DIO_ID_DCA0REM 0x82 /* 98644A serial */
#define DIO_DESC_DCA0REM "98644A DCA0REM serial"
#define DIO_ID_DCA1 0x42 /* 98644A serial */
#define DIO_DESC_DCA1 "98644A DCA1 serial"
#define DIO_ID_DCA1REM 0xc2 /* 98644A serial */
#define DIO_DESC_DCA1REM "98644A DCA1REM serial"
#define DIO_ID_DCM 0x05 /* 98642A serial MUX */
#define DIO_DESC_DCM "98642A DCM serial MUX"
#define DIO_ID_DCMREM 0x85 /* 98642A serial MUX */
#define DIO_DESC_DCMREM "98642A DCMREM serial MUX"
#define DIO_ID_LAN 0x15 /* 98643A LAN */
#define DIO_DESC_LAN "98643A LANCE ethernet"
#define DIO_ID_FHPIB 0x08 /* 98625A/98625B fast HP-IB */
#define DIO_DESC_FHPIB "98625A/98625B fast HPIB"
#define DIO_ID_NHPIB 0x01 /* 98624A HP-IB (normal ie slow) */
#define DIO_DESC_NHPIB "98624A HPIB"
#define DIO_ID_SCSI0 0x07 /* 98265A SCSI */
#define DIO_DESC_SCSI0 "98265A SCSI0"
#define DIO_ID_SCSI1 0x27 /* ditto */
#define DIO_DESC_SCSI1 "98265A SCSI1"
#define DIO_ID_SCSI2 0x47 /* ditto */
#define DIO_DESC_SCSI2 "98265A SCSI2"
#define DIO_ID_SCSI3 0x67 /* ditto */
#define DIO_DESC_SCSI3 "98265A SCSI3"
#define DIO_ID_FBUFFER 0x39 /* framebuffer: flavour is distinguished by secondary ID */
#define DIO_DESC_FBUFFER "bitmapped display"
/* the NetBSD kernel source is a bit unsure as to what these next IDs actually do :-> */
#define DIO_ID_MISC0 0x03 /* 98622A */
#define DIO_DESC_MISC0 "98622A"
#define DIO_ID_MISC1 0x04 /* 98623A */
#define DIO_DESC_MISC1 "98623A"
#define DIO_ID_PARALLEL 0x06 /* internal parallel */
#define DIO_DESC_PARALLEL "internal parallel"
#define DIO_ID_MISC2 0x09 /* 98287A keyboard */
#define DIO_DESC_MISC2 "98287A keyboard"
#define DIO_ID_MISC3 0x0a /* HP98635A FP accelerator */
#define DIO_DESC_MISC3 "HP98635A FP accelerator"
#define DIO_ID_MISC4 0x0b /* timer */
#define DIO_DESC_MISC4 "timer"
#define DIO_ID_MISC5 0x12 /* 98640A */
#define DIO_DESC_MISC5 "98640A"
#define DIO_ID_MISC6 0x16 /* 98659A */
#define DIO_DESC_MISC6 "98659A"
#define DIO_ID_MISC7 0x19 /* 237 display */
#define DIO_DESC_MISC7 "237 display"
#define DIO_ID_MISC8 0x1a /* quad-wide card */
#define DIO_DESC_MISC8 "quad-wide card"
#define DIO_ID_MISC9 0x1b /* 98253A */
#define DIO_DESC_MISC9 "98253A"
#define DIO_ID_MISC10 0x1c /* 98627A */
#define DIO_DESC_MISC10 "98253A"
#define DIO_ID_MISC11 0x1d /* 98633A */
#define DIO_DESC_MISC11 "98633A"
#define DIO_ID_MISC12 0x1e /* 98259A */
#define DIO_DESC_MISC12 "98259A"
#define DIO_ID_MISC13 0x1f /* 8741 */
#define DIO_DESC_MISC13 "8741"
#define DIO_ID_VME 0x31 /* 98577A VME adapter */
#define DIO_DESC_VME "98577A VME adapter"
#define DIO_ID_DCL 0x34 /* 98628A serial */
#define DIO_DESC_DCL "98628A DCL serial"
#define DIO_ID_DCLREM 0xb4 /* 98628A serial */
#define DIO_DESC_DCLREM "98628A DCLREM serial"
/* These are the secondary IDs for the framebuffers */
#define DIO_ID2_GATORBOX 0x01 /* 98700/98710 "gatorbox" */
#define DIO_DESC2_GATORBOX "98700/98710 \"gatorbox\" display"
#define DIO_ID2_TOPCAT 0x02 /* 98544/98545/98547 "topcat" */
#define DIO_DESC2_TOPCAT "98544/98545/98547 \"topcat\" display"
#define DIO_ID2_RENAISSANCE 0x04 /* 98720/98721 "renaissance" */
#define DIO_DESC2_RENAISSANCE "98720/98721 \"renaissance\" display"
#define DIO_ID2_LRCATSEYE 0x05 /* lowres "catseye" */
#define DIO_DESC2_LRCATSEYE "low-res catseye display"
#define DIO_ID2_HRCCATSEYE 0x06 /* highres colour "catseye" */
#define DIO_DESC2_HRCCATSEYE "high-res color catseye display"
#define DIO_ID2_HRMCATSEYE 0x07 /* highres mono "catseye" */
#define DIO_DESC2_HRMCATSEYE "high-res mono catseye display"
#define DIO_ID2_DAVINCI 0x08 /* 98730/98731 "davinci" */
#define DIO_DESC2_DAVINCI "98730/98731 \"davinci\" display"
#define DIO_ID2_XXXCATSEYE 0x09 /* "catseye" */
#define DIO_DESC2_XXXCATSEYE "catseye display"
#define DIO_ID2_HYPERION 0x0e /* A1096A "hyperion" */
#define DIO_DESC2_HYPERION "A1096A \"hyperion\" display"
#define DIO_ID2_XGENESIS 0x0b /* "x-genesis"; no NetBSD support */
#define DIO_DESC2_XGENESIS "\"x-genesis\" display"
#define DIO_ID2_TIGER 0x0c /* "tiger"; no NetBSD support */
#define DIO_DESC2_TIGER "\"tiger\" display"
#define DIO_ID2_YGENESIS 0x0d /* "y-genesis"; no NetBSD support */
#define DIO_DESC2_YGENESIS "\"y-genesis\" display"
/* if you add new IDs then you should tell dio.c about them so it can
* identify them...
*/
extern int dio_find(int deviceid);
extern unsigned long dio_scodetophysaddr(int scode);
extern int dio_create_sysfs_dev_files(struct dio_dev *);
/* New-style probing */
extern int dio_register_driver(struct dio_driver *);
extern void dio_unregister_driver(struct dio_driver *);
extern const struct dio_device_id *dio_match_device(const struct dio_device_id *ids, const struct dio_dev *z);
static inline struct dio_driver *dio_dev_driver(const struct dio_dev *d)
{
return d->driver;
}
#define dio_resource_start(d) ((d)->resource.start)
#define dio_resource_end(d) ((d)->resource.end)
#define dio_resource_len(d) (resource_size(&(d)->resource))
#define dio_resource_flags(d) ((d)->resource.flags)
#define dio_request_device(d, name) \
request_mem_region(dio_resource_start(d), dio_resource_len(d), name)
#define dio_release_device(d) \
release_mem_region(dio_resource_start(d), dio_resource_len(d))
/* Similar to the helpers above, these manipulate per-dio_dev
* driver-specific data. They are really just a wrapper around
* the generic device structure functions of these calls.
*/
static inline void *dio_get_drvdata (struct dio_dev *d)
{
return dev_get_drvdata(&d->dev);
}
static inline void dio_set_drvdata (struct dio_dev *d, void *data)
{
dev_set_drvdata(&d->dev, data);
}
#endif /* __KERNEL__ */
#endif /* ndef _LINUX_DIO_H */
Reference in New Issue View Git Blame Copy Permalink