vbusdeviceinfo.h was only used by vbuschannel.h so merge them
together.
Signed-off-by: David Kershner <david.kersh...@unisys.com>
Reviewed-by: Tim Sell <timothy.s...@unisys.com>
---
drivers/staging/unisys/visorbus/vbuschannel.h | 212 ++++++++++++++++++-
drivers/staging/unisys/visorbus/vbusdeviceinfo.h | 234 ---------------------
drivers/staging/unisys/visorbus/visorbus_private.h | 2 +-
3 files changed, 212 insertions(+), 236 deletions(-)
delete mode 100644 drivers/staging/unisys/visorbus/vbusdeviceinfo.h
diff --git a/drivers/staging/unisys/visorbus/vbuschannel.h
b/drivers/staging/unisys/visorbus/vbuschannel.h
index 90fa12e..3f7830b 100644
--- a/drivers/staging/unisys/visorbus/vbuschannel.h
+++ b/drivers/staging/unisys/visorbus/vbuschannel.h
@@ -23,7 +23,6 @@
* the client devices and client drivers for the server end to see.
*/
#include <linux/uuid.h>
-#include "vbusdeviceinfo.h"
#include "channel.h"
/* {193b331b-c58f-11da-95a9-00e08161165f} */
@@ -58,6 +57,217 @@ static const uuid_le spar_vbus_channel_protocol_uuid =
actual_bytes))
#pragma pack(push, 1) /* both GCC and VC now allow this pragma */
+
+/*
+ * An array of this struct is present in the channel area for each vbus.
+ * (See vbuschannel.h.)
+ * It is filled in by the client side to provide info about the device
+ * and driver from the client's perspective.
+ */
+struct ultra_vbus_deviceinfo {
+ u8 devtype[16]; /* short string identifying the device type */
+ u8 drvname[16]; /* driver .sys file name */
+ u8 infostrs[96]; /* sequence of tab-delimited id strings: */
+ /* <DRIVER_REV> <DRIVER_VERTAG> <DRIVER_COMPILETIME> */
+ u8 reserved[128]; /* pad size to 256 bytes */
+};
+
+/**
+ * vbuschannel_sanitize_buffer() - remove non-printable chars from buffer
+ * @p: destination buffer where chars are written to
+ * @remain: number of bytes that can be written starting at #p
+ * @src: pointer to source buffer
+ * @srcmax: number of valid characters at #src
+ *
+ * Reads chars from the buffer at @src for @srcmax bytes, and writes to
+ * the buffer at @p, which is @remain bytes long, ensuring never to
+ * overflow the buffer at @p, using the following rules:
+ * - printable characters are simply copied from the buffer at @src to the
+ * buffer at @p
+ * - intervening streaks of non-printable characters in the buffer at @src
+ * are replaced with a single space in the buffer at @p
+ * Note that we pay no attention to '\0'-termination.
+ *
+ * Pass @p == NULL and @remain == 0 for this special behavior -- In this
+ * case, we simply return the number of bytes that WOULD HAVE been written
+ * to a buffer at @p, had it been infinitely big.
+ *
+ * Return: the number of bytes written to @p (or WOULD HAVE been written to
+ * @p, as described in the previous paragraph)
+ */
+static inline int
+vbuschannel_sanitize_buffer(char *p, int remain, char *src, int srcmax)
+{
+ int chars = 0;
+ int nonprintable_streak = 0;
+
+ while (srcmax > 0) {
+ if ((*src >= ' ') && (*src < 0x7f)) {
+ if (nonprintable_streak) {
+ if (remain > 0) {
+ *p = ' ';
+ p++;
+ remain--;
+ chars++;
+ } else if (!p) {
+ chars++;
+ }
+ nonprintable_streak = 0;
+ }
+ if (remain > 0) {
+ *p = *src;
+ p++;
+ remain--;
+ chars++;
+ } else if (!p) {
+ chars++;
+ }
+ } else {
+ nonprintable_streak = 1;
+ }
+ src++;
+ srcmax--;
+ }
+ return chars;
+}
+
+#define VBUSCHANNEL_ADDACHAR(ch, p, remain, chars) \
+ do { \
+ if (remain <= 0) \
+ break; \
+ *p = ch; \
+ p++; chars++; remain--; \
+ } while (0)
+
+/**
+ * vbuschannel_itoa() - convert non-negative int to string
+ * @p: destination string
+ * @remain: max number of bytes that can be written to @p
+ * @num: input int to convert
+ *
+ * Converts the non-negative value at @num to an ascii decimal string
+ * at @p, writing at most @remain bytes. Note there is NO '\0' termination
+ * written to @p.
+ *
+ * Return: number of bytes written to @p
+ *
+ */
+static inline int
+vbuschannel_itoa(char *p, int remain, int num)
+{
+ int digits = 0;
+ char s[32];
+ int i;
+
+ if (num == 0) {
+ /* '0' is a special case */
+ if (remain <= 0)
+ return 0;
+ *p = '0';
+ return 1;
+ }
+ /* form a backwards decimal ascii string in <s> */
+ while (num > 0) {
+ if (digits >= (int)sizeof(s))
+ return 0;
+ s[digits++] = (num % 10) + '0';
+ num = num / 10;
+ }
+ if (remain < digits) {
+ /* not enough room left at <p> to hold number, so fill with
+ * '?'
+ */
+ for (i = 0; i < remain; i++, p++)
+ *p = '?';
+ return remain;
+ }
+ /* plug in the decimal ascii string representing the number, by */
+ /* reversing the string we just built in <s> */
+ i = digits;
+ while (i > 0) {
+ i--;
+ *p = s[i];
+ p++;
+ }
+ return digits;
+}
+
+/**
+ * vbuschannel_devinfo_to_string() - format a struct ultra_vbus_deviceinfo
+ * to a printable string
+ * @devinfo: the struct ultra_vbus_deviceinfo to format
+ * @p: destination string area
+ * @remain: size of destination string area in bytes
+ * @devix: the device index to be included in the output data, or -1 if no
+ * device index is to be included
+ *
+ * Reads @devInfo, and converts its contents to a printable string at @p,
+ * writing at most @remain bytes. Note there is NO '\0' termination
+ * written to @p.
+ *
+ * Return: number of bytes written to @p
+ */
+static inline int
+vbuschannel_devinfo_to_string(struct ultra_vbus_deviceinfo *devinfo,
+ char *p, int remain, int devix)
+{
+ char *psrc;
+ int nsrc, x, i, pad;
+ int chars = 0;
+
+ psrc = &devinfo->devtype[0];
+ nsrc = sizeof(devinfo->devtype);
+ if (vbuschannel_sanitize_buffer(NULL, 0, psrc, nsrc) <= 0)
+ return 0;
+
+ /* emit device index */
+ if (devix >= 0) {
+ VBUSCHANNEL_ADDACHAR('[', p, remain, chars);
+ x = vbuschannel_itoa(p, remain, devix);
+ p += x;
+ remain -= x;
+ chars += x;
+ VBUSCHANNEL_ADDACHAR(']', p, remain, chars);
+ } else {
+ VBUSCHANNEL_ADDACHAR(' ', p, remain, chars);
+ VBUSCHANNEL_ADDACHAR(' ', p, remain, chars);
+ VBUSCHANNEL_ADDACHAR(' ', p, remain, chars);
+ }
+
+ /* emit device type */
+ x = vbuschannel_sanitize_buffer(p, remain, psrc, nsrc);
+ p += x;
+ remain -= x;
+ chars += x;
+ pad = 15 - x; /* pad device type to be exactly 15 chars */
+ for (i = 0; i < pad; i++)
+ VBUSCHANNEL_ADDACHAR(' ', p, remain, chars);
+ VBUSCHANNEL_ADDACHAR(' ', p, remain, chars);
+
+ /* emit driver name */
+ psrc = &devinfo->drvname[0];
+ nsrc = sizeof(devinfo->drvname);
+ x = vbuschannel_sanitize_buffer(p, remain, psrc, nsrc);
+ p += x;
+ remain -= x;
+ chars += x;
+ pad = 15 - x; /* pad driver name to be exactly 15 chars */
+ for (i = 0; i < pad; i++)
+ VBUSCHANNEL_ADDACHAR(' ', p, remain, chars);
+ VBUSCHANNEL_ADDACHAR(' ', p, remain, chars);
+
+ /* emit strings */
+ psrc = &devinfo->infostrs[0];
+ nsrc = sizeof(devinfo->infostrs);
+ x = vbuschannel_sanitize_buffer(p, remain, psrc, nsrc);
+ p += x;
+ remain -= x;
+ chars += x;
+ VBUSCHANNEL_ADDACHAR('\n', p, remain, chars);
+
+ return chars;
+}
+
struct spar_vbus_headerinfo {
u32 struct_bytes; /* size of this struct in bytes */
u32 device_info_struct_bytes; /* sizeof(ULTRA_VBUS_DEVICEINFO) */
diff --git a/drivers/staging/unisys/visorbus/vbusdeviceinfo.h
b/drivers/staging/unisys/visorbus/vbusdeviceinfo.h
deleted file mode 100644
index e6bfed1..0000000
--- a/drivers/staging/unisys/visorbus/vbusdeviceinfo.h
+++ /dev/null
@@ -1,234 +0,0 @@
-/* Copyright (C) 2010 - 2015 UNISYS CORPORATION
- * All rights reserved.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or
- * NON INFRINGEMENT. See the GNU General Public License for more
- * details.
- */
-
-#ifndef __VBUSDEVICEINFO_H__
-#define __VBUSDEVICEINFO_H__
-
-#include <linux/types.h>
-
-#pragma pack(push, 1) /* both GCC and VC now allow this pragma */
-
-/*
- * An array of this struct is present in the channel area for each vbus.
- * (See vbuschannel.h.)
- * It is filled in by the client side to provide info about the device
- * and driver from the client's perspective.
- */
-struct ultra_vbus_deviceinfo {
- u8 devtype[16]; /* short string identifying the device type */
- u8 drvname[16]; /* driver .sys file name */
- u8 infostrs[96]; /* sequence of tab-delimited id strings: */
- /* <DRIVER_REV> <DRIVER_VERTAG> <DRIVER_COMPILETIME> */
- u8 reserved[128]; /* pad size to 256 bytes */
-};
-
-#pragma pack(pop)
-
-/**
- * vbuschannel_sanitize_buffer() - remove non-printable chars from buffer
- * @p: destination buffer where chars are written to
- * @remain: number of bytes that can be written starting at #p
- * @src: pointer to source buffer
- * @srcmax: number of valid characters at #src
- *
- * Reads chars from the buffer at @src for @srcmax bytes, and writes to
- * the buffer at @p, which is @remain bytes long, ensuring never to
- * overflow the buffer at @p, using the following rules:
- * - printable characters are simply copied from the buffer at @src to the
- * buffer at @p
- * - intervening streaks of non-printable characters in the buffer at @src
- * are replaced with a single space in the buffer at @p
- * Note that we pay no attention to '\0'-termination.
- *
- * Pass @p == NULL and @remain == 0 for this special behavior -- In this
- * case, we simply return the number of bytes that WOULD HAVE been written
- * to a buffer at @p, had it been infinitely big.
- *
- * Return: the number of bytes written to @p (or WOULD HAVE been written to
- * @p, as described in the previous paragraph)
- */
-static inline int
-vbuschannel_sanitize_buffer(char *p, int remain, char *src, int srcmax)
-{
- int chars = 0;
- int nonprintable_streak = 0;
-
- while (srcmax > 0) {
- if ((*src >= ' ') && (*src < 0x7f)) {
- if (nonprintable_streak) {
- if (remain > 0) {
- *p = ' ';
- p++;
- remain--;
- chars++;
- } else if (!p) {
- chars++;
- }
- nonprintable_streak = 0;
- }
- if (remain > 0) {
- *p = *src;
- p++;
- remain--;
- chars++;
- } else if (!p) {
- chars++;
- }
- } else {
- nonprintable_streak = 1;
- }
- src++;
- srcmax--;
- }
- return chars;
-}
-
-#define VBUSCHANNEL_ADDACHAR(ch, p, remain, chars) \
- do { \
- if (remain <= 0) \
- break; \
- *p = ch; \
- p++; chars++; remain--; \
- } while (0)
-
-/**
- * vbuschannel_itoa() - convert non-negative int to string
- * @p: destination string
- * @remain: max number of bytes that can be written to @p
- * @num: input int to convert
- *
- * Converts the non-negative value at @num to an ascii decimal string
- * at @p, writing at most @remain bytes. Note there is NO '\0' termination
- * written to @p.
- *
- * Return: number of bytes written to @p
- *
- */
-static inline int
-vbuschannel_itoa(char *p, int remain, int num)
-{
- int digits = 0;
- char s[32];
- int i;
-
- if (num == 0) {
- /* '0' is a special case */
- if (remain <= 0)
- return 0;
- *p = '0';
- return 1;
- }
- /* form a backwards decimal ascii string in <s> */
- while (num > 0) {
- if (digits >= (int)sizeof(s))
- return 0;
- s[digits++] = (num % 10) + '0';
- num = num / 10;
- }
- if (remain < digits) {
- /* not enough room left at <p> to hold number, so fill with
- * '?'
- */
- for (i = 0; i < remain; i++, p++)
- *p = '?';
- return remain;
- }
- /* plug in the decimal ascii string representing the number, by */
- /* reversing the string we just built in <s> */
- i = digits;
- while (i > 0) {
- i--;
- *p = s[i];
- p++;
- }
- return digits;
-}
-
-/**
- * vbuschannel_devinfo_to_string() - format a struct ultra_vbus_deviceinfo
- * to a printable string
- * @devinfo: the struct ultra_vbus_deviceinfo to format
- * @p: destination string area
- * @remain: size of destination string area in bytes
- * @devix: the device index to be included in the output data, or -1 if no
- * device index is to be included
- *
- * Reads @devInfo, and converts its contents to a printable string at @p,
- * writing at most @remain bytes. Note there is NO '\0' termination
- * written to @p.
- *
- * Return: number of bytes written to @p
- */
-static inline int
-vbuschannel_devinfo_to_string(struct ultra_vbus_deviceinfo *devinfo,
- char *p, int remain, int devix)
-{
- char *psrc;
- int nsrc, x, i, pad;
- int chars = 0;
-
- psrc = &devinfo->devtype[0];
- nsrc = sizeof(devinfo->devtype);
- if (vbuschannel_sanitize_buffer(NULL, 0, psrc, nsrc) <= 0)
- return 0;
-
- /* emit device index */
- if (devix >= 0) {
- VBUSCHANNEL_ADDACHAR('[', p, remain, chars);
- x = vbuschannel_itoa(p, remain, devix);
- p += x;
- remain -= x;
- chars += x;
- VBUSCHANNEL_ADDACHAR(']', p, remain, chars);
- } else {
- VBUSCHANNEL_ADDACHAR(' ', p, remain, chars);
- VBUSCHANNEL_ADDACHAR(' ', p, remain, chars);
- VBUSCHANNEL_ADDACHAR(' ', p, remain, chars);
- }
-
- /* emit device type */
- x = vbuschannel_sanitize_buffer(p, remain, psrc, nsrc);
- p += x;
- remain -= x;
- chars += x;
- pad = 15 - x; /* pad device type to be exactly 15 chars */
- for (i = 0; i < pad; i++)
- VBUSCHANNEL_ADDACHAR(' ', p, remain, chars);
- VBUSCHANNEL_ADDACHAR(' ', p, remain, chars);
-
- /* emit driver name */
- psrc = &devinfo->drvname[0];
- nsrc = sizeof(devinfo->drvname);
- x = vbuschannel_sanitize_buffer(p, remain, psrc, nsrc);
- p += x;
- remain -= x;
- chars += x;
- pad = 15 - x; /* pad driver name to be exactly 15 chars */
- for (i = 0; i < pad; i++)
- VBUSCHANNEL_ADDACHAR(' ', p, remain, chars);
- VBUSCHANNEL_ADDACHAR(' ', p, remain, chars);
-
- /* emit strings */
- psrc = &devinfo->infostrs[0];
- nsrc = sizeof(devinfo->infostrs);
- x = vbuschannel_sanitize_buffer(p, remain, psrc, nsrc);
- p += x;
- remain -= x;
- chars += x;
- VBUSCHANNEL_ADDACHAR('\n', p, remain, chars);
-
- return chars;
-}
-
-#endif
diff --git a/drivers/staging/unisys/visorbus/visorbus_private.h
b/drivers/staging/unisys/visorbus/visorbus_private.h
index b10fc1a..2f4e1e6 100644
--- a/drivers/staging/unisys/visorbus/visorbus_private.h
+++ b/drivers/staging/unisys/visorbus/visorbus_private.h
@@ -20,7 +20,7 @@
#include <linux/uuid.h>
#include "controlvmchannel.h"
-#include "vbusdeviceinfo.h"
+#include "vbuschannel.h"
/* TARGET_HOSTNAME specified as -DTARGET_HOSTNAME=\"thename\" on the
* command line
--
1.9.1
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