bsd-user: Add log_unsupported_ioctl function
Add helper function to log detailed information about unsupported ioctl commands, including direction, group, and parameter length. Signed-off-by: Stacey Son <sson@FreeBSD.org> Reviewed-by: Pierrick Bouvier <pierrick.bouvier@oss.qualcomm.com> Signed-off-by: Warner Losh <imp@bsdimp.com>
Stacey Son committed
Mar 14, 2026 at 11:28 UTC
ba4b26e6268d2217fad2437ecb0ec6c2e265e306
1 file changed
+24
bsd-user/bsd-ioctl.c
+24
@@ -217,3 +217,27 @@ static IOCTLEntry ioctl_entries[] = {
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#include "os-ioctl-cmds.h"
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{ 0, 0 },
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};
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+
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+static void log_unsupported_ioctl(unsigned long cmd)
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+{
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+ gemu_log("cmd=0x%08lx dir=", cmd);
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+ switch (cmd & IOC_DIRMASK) {
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+ case IOC_VOID:
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+ gemu_log("VOID ");
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+ break;
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+ case IOC_OUT:
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+ gemu_log("OUT ");
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+ break;
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+ case IOC_IN:
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+ gemu_log("IN ");
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+ break;
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+ case IOC_INOUT:
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+ gemu_log("INOUT");
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+ break;
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+ default:
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+ gemu_log("%01lx ???", (cmd & IOC_DIRMASK) >> 29);
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+ break;
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+ }
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+ gemu_log(" '%c' %3d %lu\n", (char)IOCGROUP(cmd), (int)(cmd & 0xff),
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+ IOCPARM_LEN(cmd));
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+}