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Wed, 06 May 2026 19:24:24 -0700 (PDT) From: Warner Losh To: qemu-devel@nongnu.org Cc: Warner Losh , Kyle Evans , Stacey Son , Pierrick Bouvier Subject: [PATCH 07/25] bsd-user: ioctl: add common definitions Date: Wed, 6 May 2026 20:22:01 -0600 Message-ID: <20260507022219.44171-8-imp@bsdimp.com> X-Mailer: git-send-email 2.52.0 In-Reply-To: <20260507022219.44171-1-imp@bsdimp.com> References: <20260507022219.44171-1-imp@bsdimp.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists1p.gnu.org; Received-SPF: none client-ip=2607:f8b0:4864:20::c29; envelope-from=imp@bsdimp.com; helo=mail-oo1-xc29.google.com X-Spam_score_int: -18 X-Spam_score: -1.9 X-Spam_bar: - X-Spam_report: (-1.9 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_NONE=0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: qemu development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @bsdimp-com.20251104.gappssmtp.com) X-ZM-MESSAGEID: 1778120705524154100 Content-Type: text/plain; charset="utf-8" From: Stacey Son Modeled on sys/ioccom.h. Signed-off-by: Stacey Son Reviewed-by: Pierrick Bouvier Signed-off-by: Warner Losh --- bsd-user/freebsd/os-ioctl-ioccom.h | 43 ++++++++++++++++++++++++++++++ 1 file changed, 43 insertions(+) create mode 100644 bsd-user/freebsd/os-ioctl-ioccom.h diff --git a/bsd-user/freebsd/os-ioctl-ioccom.h b/bsd-user/freebsd/os-ioctl= -ioccom.h new file mode 100644 index 0000000000..3bb9ef2710 --- /dev/null +++ b/bsd-user/freebsd/os-ioctl-ioccom.h @@ -0,0 +1,43 @@ +/* + * FreeBSD ioccom definitions for ioctl(2) emulation + * + * Copyright (c) 2013 Stacey D. Son + * + * SPDX-License-Identifier: GPL-2.0-or-later + */ +#ifndef BSD_USER_FREEBSD_OS_IOCTL_IOCCOM_H +#define BSD_USER_FREEBSD_OS_IOCTL_IOCCOM_H + +/* + * Ioctl's have the command encoded in the lower word, and the size of + * any in or out parameters in the upper word. The high 3 bits of the + * upper word are used to encode the in/out status of the parameter. + */ +/* number of bits for ioctl size */ +#define TARGET_IOCPARM_SHIFT 13 + +/* parameter length mask */ +#define TARGET_IOCPARM_MASK ((1 << TARGET_IOCPARM_SHIFT) - 1) + +#define TARGET_IOCPARM_LEN(x) (((x) >> 16) & TARGET_IOCPARM_MASK) +#define TARGET_IOCBASECMD(x) ((x) & ~(TARGET_IOCPARM_MASK << 16)) +#define TARGET_IOCGROUP(x) (((x) >> 8) & 0xff) + +#define TARGET_IOCPARM_MAX (1 << TARGET_IOCPARM_SHIFT) /* max size of ioc= tl */ +#define TARGET_IOC_VOID 0x20000000 /* no parameters */ +#define TARGET_IOC_OUT 0x40000000 /* copy out parameters */ +#define TARGET_IOC_IN 0x80000000 /* copy in parameters */ +#define TARGET_IOC_INOUT (TARGET_IOC_IN | TARGET_IOC_OUT) +#define TARGET_IOC_DIRMASK (TARGET_IOC_VOID | TARGET_IOC_OUT | TARGET_IOC= _IN) + +#define TARGET_IOC(inout, group, num, len) ((abi_ulong) \ + ((inout) | (((len) & TARGET_IOCPARM_MASK) << 16) | ((group) << 8) \ + | (num))) +#define TARGET_IO(g, n) TARGET_IOC(TARGET_IOC_VOID, (g), (n), 0) +#define TARGET_IOWINT(g, n) TARGET_IOC(TARGET_IOC_VOID, (g), (n), siz= eof(int)) +#define TARGET_IOR(g, n, t) TARGET_IOC(TARGET_IOC_OUT, (g), (n), sizeof(= t)) +#define TARGET_IOW(g, n, t) TARGET_IOC(TARGET_IOC_IN, (g), (n), sizeof(= t)) +/* this should be _IORW, but stdio got there first */ +#define TARGET_IOWR(g, n, t) TARGET_IOC(TARGET_IOC_INOUT, (g), (n), siz= eof(t)) + +#endif /* BSD_USER_FREEBSD_OS_IOCTL_IOCCOM_H */ --=20 2.52.0