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2024-05-16 8d2a02b24d66aa359e83eebc1ed3c0f85367a1cb

 kernel/tools/perf/trace/beauty/ioctl.c
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@@ -1,9 +1,8 @@
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+// SPDX-License-Identifier: LGPL-2.1
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 /*
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  * trace/beauty/ioctl.c
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  *
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  *  Copyright (C) 2017, Red Hat Inc, Arnaldo Carvalho de Melo <acme@redhat.com>
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- *
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- * Released under the GPL v2. (and only v2, not any later version)
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  */
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7
 
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 #include "trace/beauty/beauty.h"
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@@ -32,11 +31,12 @@
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 	"TCSETSW2", "TCSETSF2", "TIOCGRS48", "TIOCSRS485", "TIOCGPTN", "TIOCSPTLCK",
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 	"TIOCGDEV", "TCSETX", "TCSETXF", "TCSETXW", "TIOCSIG", "TIOCVHANGUP", "TIOCGPKT",
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 	"TIOCGPTLCK", [_IOC_NR(TIOCGEXCL)] = "TIOCGEXCL", "TIOCGPTPEER",
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+	"TIOCGISO7816", "TIOCSISO7816",
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 	[_IOC_NR(FIONCLEX)] = "FIONCLEX", "FIOCLEX", "FIOASYNC", "TIOCSERCONFIG",
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 	"TIOCSERGWILD", "TIOCSERSWILD", "TIOCGLCKTRMIOS", "TIOCSLCKTRMIOS",
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 	"TIOCSERGSTRUCT", "TIOCSERGETLSR", "TIOCSERGETMULTI", "TIOCSERSETMULTI",
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 	"TIOCMIWAIT", "TIOCGICOUNT", };
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-	static DEFINE_STRARRAY(ioctl_tty_cmd);
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+	static DEFINE_STRARRAY(ioctl_tty_cmd, "");
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 	if (nr < strarray__ioctl_tty_cmd.nr_entries && strarray__ioctl_tty_cmd.entries[nr] != NULL)
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 		return scnprintf(bf, size, "%s", strarray__ioctl_tty_cmd.entries[nr]);
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@@ -47,7 +47,7 @@
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 static size_t ioctl__scnprintf_drm_cmd(int nr, int dir, char *bf, size_t size)
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 {
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 #include "trace/beauty/generated/ioctl/drm_ioctl_array.c"
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-	static DEFINE_STRARRAY(drm_ioctl_cmds);
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+	static DEFINE_STRARRAY(drm_ioctl_cmds, "");
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 	if (nr < strarray__drm_ioctl_cmds.nr_entries && strarray__drm_ioctl_cmds.entries[nr] != NULL)
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 		return scnprintf(bf, size, "DRM_%s", strarray__drm_ioctl_cmds.entries[nr]);
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@@ -58,7 +58,7 @@
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 static size_t ioctl__scnprintf_sndrv_pcm_cmd(int nr, int dir, char *bf, size_t size)
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 {
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 #include "trace/beauty/generated/ioctl/sndrv_pcm_ioctl_array.c"
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-	static DEFINE_STRARRAY(sndrv_pcm_ioctl_cmds);
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+	static DEFINE_STRARRAY(sndrv_pcm_ioctl_cmds, "");
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 	if (nr < strarray__sndrv_pcm_ioctl_cmds.nr_entries && strarray__sndrv_pcm_ioctl_cmds.entries[nr] != NULL)
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 		return scnprintf(bf, size, "SNDRV_PCM_%s", strarray__sndrv_pcm_ioctl_cmds.entries[nr]);
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@@ -69,7 +69,7 @@
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 static size_t ioctl__scnprintf_sndrv_ctl_cmd(int nr, int dir, char *bf, size_t size)
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 {
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 #include "trace/beauty/generated/ioctl/sndrv_ctl_ioctl_array.c"
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-	static DEFINE_STRARRAY(sndrv_ctl_ioctl_cmds);
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+	static DEFINE_STRARRAY(sndrv_ctl_ioctl_cmds, "");
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 	if (nr < strarray__sndrv_ctl_ioctl_cmds.nr_entries && strarray__sndrv_ctl_ioctl_cmds.entries[nr] != NULL)
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 		return scnprintf(bf, size, "SNDRV_CTL_%s", strarray__sndrv_ctl_ioctl_cmds.entries[nr]);
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@@ -80,7 +80,7 @@
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 static size_t ioctl__scnprintf_kvm_cmd(int nr, int dir, char *bf, size_t size)
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 {
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 #include "trace/beauty/generated/ioctl/kvm_ioctl_array.c"
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-	static DEFINE_STRARRAY(kvm_ioctl_cmds);
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+	static DEFINE_STRARRAY(kvm_ioctl_cmds, "");
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 	if (nr < strarray__kvm_ioctl_cmds.nr_entries && strarray__kvm_ioctl_cmds.entries[nr] != NULL)
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 		return scnprintf(bf, size, "KVM_%s", strarray__kvm_ioctl_cmds.entries[nr]);
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@@ -91,8 +91,8 @@
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 static size_t ioctl__scnprintf_vhost_virtio_cmd(int nr, int dir, char *bf, size_t size)
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 {
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 #include "trace/beauty/generated/ioctl/vhost_virtio_ioctl_array.c"
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-	static DEFINE_STRARRAY(vhost_virtio_ioctl_cmds);
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-	static DEFINE_STRARRAY(vhost_virtio_ioctl_read_cmds);
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+	static DEFINE_STRARRAY(vhost_virtio_ioctl_cmds, "");
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+	static DEFINE_STRARRAY(vhost_virtio_ioctl_read_cmds, "");
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 	struct strarray *s = (dir & _IOC_READ) ? &strarray__vhost_virtio_ioctl_read_cmds : &strarray__vhost_virtio_ioctl_cmds;
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 	if (nr < s->nr_entries && s->entries[nr] != NULL)
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@@ -104,7 +104,7 @@
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 static size_t ioctl__scnprintf_perf_cmd(int nr, int dir, char *bf, size_t size)
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 {
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 #include "trace/beauty/generated/ioctl/perf_ioctl_array.c"
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-	static DEFINE_STRARRAY(perf_ioctl_cmds);
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+	static DEFINE_STRARRAY(perf_ioctl_cmds, "");
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 	if (nr < strarray__perf_ioctl_cmds.nr_entries && strarray__perf_ioctl_cmds.entries[nr] != NULL)
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 		return scnprintf(bf, size, "PERF_%s", strarray__perf_ioctl_cmds.entries[nr]);
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@@ -112,8 +112,20 @@
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 	return scnprintf(bf, size, "(%#x, %#x, %#x)", 0xAE, nr, dir);
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 }
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-static size_t ioctl__scnprintf_cmd(unsigned long cmd, char *bf, size_t size)
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+static size_t ioctl__scnprintf_usbdevfs_cmd(int nr, int dir, char *bf, size_t size)
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 {
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+#include "trace/beauty/generated/ioctl/usbdevfs_ioctl_array.c"
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+	static DEFINE_STRARRAY(usbdevfs_ioctl_cmds, "");
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+
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+	if (nr < strarray__usbdevfs_ioctl_cmds.nr_entries && strarray__usbdevfs_ioctl_cmds.entries[nr] != NULL)
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+		return scnprintf(bf, size, "USBDEVFS_%s", strarray__usbdevfs_ioctl_cmds.entries[nr]);
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+
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+	return scnprintf(bf, size, "(%c, %#x, %#x)", 'U', nr, dir);
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+}
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+
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+static size_t ioctl__scnprintf_cmd(unsigned long cmd, char *bf, size_t size, bool show_prefix)
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+{
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+	const char *prefix = "_IOC_";
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 	int dir	 = _IOC_DIR(cmd),
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 	    type = _IOC_TYPE(cmd),
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 	    nr	 = _IOC_NR(cmd),
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@@ -143,20 +155,33 @@
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 	printed += scnprintf(bf + printed, size - printed, "%c", '(');
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 	if (dir == _IOC_NONE) {
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-		printed += scnprintf(bf + printed, size - printed, "%s", "NONE");
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+		printed += scnprintf(bf + printed, size - printed, "%s%s", show_prefix ? prefix : "", "NONE");
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 	} else {
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 		if (dir & _IOC_READ)
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-			printed += scnprintf(bf + printed, size - printed, "%s", "READ");
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-		if (dir & _IOC_WRITE)
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-			printed += scnprintf(bf + printed, size - printed, "%s%s", dir & _IOC_READ ? "|" : "", "WRITE");
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+			printed += scnprintf(bf + printed, size - printed, "%s%s", show_prefix ? prefix : "", "READ");
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+		if (dir & _IOC_WRITE) {
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+			printed += scnprintf(bf + printed, size - printed, "%s%s%s", dir & _IOC_READ ? "|" : "",
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+					     show_prefix ? prefix : "",  "WRITE");
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+		}
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 	}
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 	return printed + scnprintf(bf + printed, size - printed, ", %#x, %#x, %#x)", type, nr, sz);
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 }
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+#ifndef USB_DEVICE_MAJOR
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+#define USB_DEVICE_MAJOR 189
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+#endif // USB_DEVICE_MAJOR
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+
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 size_t syscall_arg__scnprintf_ioctl_cmd(char *bf, size_t size, struct syscall_arg *arg)
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 {
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 	unsigned long cmd = arg->val;
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+	int fd = syscall_arg__val(arg, 0);
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+	struct file *file = thread__files_entry(arg->thread, fd);
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-	return ioctl__scnprintf_cmd(cmd, bf, size);
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+	if (file != NULL) {
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+		if (file->dev_maj == USB_DEVICE_MAJOR)
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+			return ioctl__scnprintf_usbdevfs_cmd(_IOC_NR(cmd), _IOC_DIR(cmd), bf, size);
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+	}
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+
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+	return ioctl__scnprintf_cmd(cmd, bf, size, arg->show_string_prefix);
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 }