1 // SPDX-License-Identifier: LGPL-2.1
17  * in 'perf trace', see tools/perf/trace/beauty/Build and builtin-trace.c
19 #include <uapi/asm-generic/ioctls.h>
21 static size_t ioctl__scnprintf_tty_cmd(int nr, int dir, char *bf, size_t size)  in ioctl__scnprintf_tty_cmd()  argument
42 		return scnprintf(bf, size, "%s", strarray__ioctl_tty_cmd.entries[nr]);  in ioctl__scnprintf_tty_cmd()
44 	return scnprintf(bf, size, "(%#x, %#x, %#x)", 'T', nr, dir);  in ioctl__scnprintf_tty_cmd()
47 static size_t ioctl__scnprintf_drm_cmd(int nr, int dir, char *bf, size_t size)  in ioctl__scnprintf_drm_cmd()  argument
53 		return scnprintf(bf, size, "DRM_%s", strarray__drm_ioctl_cmds.entries[nr]);  in ioctl__scnprintf_drm_cmd()
55 	return scnprintf(bf, size, "(%#x, %#x, %#x)", 'd', nr, dir);  in ioctl__scnprintf_drm_cmd()
58 static size_t ioctl__scnprintf_sndrv_pcm_cmd(int nr, int dir, char *bf, size_t size)  in ioctl__scnprintf_sndrv_pcm_cmd()  argument
64 		return scnprintf(bf, size, "SNDRV_PCM_%s", strarray__sndrv_pcm_ioctl_cmds.entries[nr]);  in ioctl__scnprintf_sndrv_pcm_cmd()
66 	return scnprintf(bf, size, "(%#x, %#x, %#x)", 'A', nr, dir);  in ioctl__scnprintf_sndrv_pcm_cmd()
69 static size_t ioctl__scnprintf_sndrv_ctl_cmd(int nr, int dir, char *bf, size_t size)  in ioctl__scnprintf_sndrv_ctl_cmd()  argument
75 		return scnprintf(bf, size, "SNDRV_CTL_%s", strarray__sndrv_ctl_ioctl_cmds.entries[nr]);  in ioctl__scnprintf_sndrv_ctl_cmd()
77 	return scnprintf(bf, size, "(%#x, %#x, %#x)", 'U', nr, dir);  in ioctl__scnprintf_sndrv_ctl_cmd()
80 static size_t ioctl__scnprintf_kvm_cmd(int nr, int dir, char *bf, size_t size)  in ioctl__scnprintf_kvm_cmd()  argument
86 		return scnprintf(bf, size, "KVM_%s", strarray__kvm_ioctl_cmds.entries[nr]);  in ioctl__scnprintf_kvm_cmd()
88 	return scnprintf(bf, size, "(%#x, %#x, %#x)", 0xAE, nr, dir);  in ioctl__scnprintf_kvm_cmd()
91 static size_t ioctl__scnprintf_vhost_virtio_cmd(int nr, int dir, char *bf, size_t size)  in ioctl__scnprintf_vhost_virtio_cmd()  argument
98 	if (nr < s->nr_entries && s->entries[nr] != NULL)  in ioctl__scnprintf_vhost_virtio_cmd()
99 		return scnprintf(bf, size, "VHOST_%s", s->entries[nr]);  in ioctl__scnprintf_vhost_virtio_cmd()
101 	return scnprintf(bf, size, "(%#x, %#x, %#x)", 0xAF, nr, dir);  in ioctl__scnprintf_vhost_virtio_cmd()
104 static size_t ioctl__scnprintf_perf_cmd(int nr, int dir, char *bf, size_t size)  in ioctl__scnprintf_perf_cmd()  argument
110 		return scnprintf(bf, size, "PERF_%s", strarray__perf_ioctl_cmds.entries[nr]);  in ioctl__scnprintf_perf_cmd()
112 	return scnprintf(bf, size, "(%#x, %#x, %#x)", 0xAE, nr, dir);  in ioctl__scnprintf_perf_cmd()
115 static size_t ioctl__scnprintf_usbdevfs_cmd(int nr, int dir, char *bf, size_t size)  in ioctl__scnprintf_usbdevfs_cmd()  argument
121 		return scnprintf(bf, size, "USBDEVFS_%s", strarray__usbdevfs_ioctl_cmds.entries[nr]);  in ioctl__scnprintf_usbdevfs_cmd()
123 	return scnprintf(bf, size, "(%c, %#x, %#x)", 'U', nr, dir);  in ioctl__scnprintf_usbdevfs_cmd()
126 static size_t ioctl__scnprintf_cmd(unsigned long cmd, char *bf, size_t size, bool show_prefix)  in ioctl__scnprintf_cmd()  argument
136 		size_t	(*scnprintf)(int nr, int dir, char *bf, size_t size);  in ioctl__scnprintf_cmd()
139 		['A' - '$'] = { .type	= 'A', .scnprintf = ioctl__scnprintf_sndrv_pcm_cmd, },  in ioctl__scnprintf_cmd()
140 		['T' - '$'] = { .type	= 'T', .scnprintf = ioctl__scnprintf_tty_cmd, },  in ioctl__scnprintf_cmd()
141 		['U' - '$'] = { .type	= 'U', .scnprintf = ioctl__scnprintf_sndrv_ctl_cmd, },  in ioctl__scnprintf_cmd()
142 		['d' - '$'] = { .type	= 'd', .scnprintf = ioctl__scnprintf_drm_cmd, },  in ioctl__scnprintf_cmd()
143 		[0xAE - '$'] = { .type	= 0xAE, .scnprintf = ioctl__scnprintf_kvm_cmd, },  in ioctl__scnprintf_cmd()
144 		[0xAF - '$'] = { .type	= 0xAF, .scnprintf = ioctl__scnprintf_vhost_virtio_cmd, },  in ioctl__scnprintf_cmd()
148 	if (type >= ioctl_types[0].type && type <= ioctl_types[nr_types - 1].type) {  in ioctl__scnprintf_cmd()
149 		const int index = type - ioctl_types[0].type;  in ioctl__scnprintf_cmd()
152 			return ioctl_types[index].scnprintf(nr, dir, bf, size);  in ioctl__scnprintf_cmd()
155 	printed += scnprintf(bf + printed, size - printed, "%c", '(');  in ioctl__scnprintf_cmd()
158 		printed += scnprintf(bf + printed, size - printed, "%s%s", show_prefix ? prefix : "", "NONE");  in ioctl__scnprintf_cmd()
161 			printed += scnprintf(bf + printed, size - printed, "%s%s", show_prefix ? prefix : "", "READ");  in ioctl__scnprintf_cmd()
163 			printed += scnprintf(bf + printed, size - printed, "%s%s%s", dir & _IOC_READ ? "|" : "",  in ioctl__scnprintf_cmd()
168 	return printed + scnprintf(bf + printed, size - printed, ", %#x, %#x, %#x)", type, nr, sz);  in ioctl__scnprintf_cmd()
175 size_t syscall_arg__scnprintf_ioctl_cmd(char *bf, size_t size, struct syscall_arg *arg)  in syscall_arg__scnprintf_ioctl_cmd()  argument
177 	unsigned long cmd = arg->val;  in syscall_arg__scnprintf_ioctl_cmd()
179 	struct file *file = thread__files_entry(arg->thread, fd);  in syscall_arg__scnprintf_ioctl_cmd()
182 		if (file->dev_maj == USB_DEVICE_MAJOR)  in syscall_arg__scnprintf_ioctl_cmd()
183 			return ioctl__scnprintf_usbdevfs_cmd(_IOC_NR(cmd), _IOC_DIR(cmd), bf, size);  in syscall_arg__scnprintf_ioctl_cmd()
186 	return ioctl__scnprintf_cmd(cmd, bf, size, arg->show_string_prefix);  in syscall_arg__scnprintf_ioctl_cmd()