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Sun, 01 Mar 2026 20:21:50 -0800 (PST) From: Warner Losh To: qemu-devel@nongnu.org Cc: Reinoud Zandijk , Warner Losh , Ryo ONODERA , Paolo Bonzini , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , =?UTF-8?q?Daniel=20P=2E=20Berrang=C3=A9?= , Kyle Evans , Brad Smith , =?UTF-8?q?Marc-Andr=C3=A9=20Lureau?= , Riku Voipio , Stacey Son , Richard Henderson Subject: [PULL 12/27] bsd-user: Add host_to_target_semid_ds for semctl(2) Date: Sun, 1 Mar 2026 21:21:00 -0700 Message-ID: <20260302042115.83410-13-imp@bsdimp.com> X-Mailer: git-send-email 2.52.0 In-Reply-To: <20260302042115.83410-1-imp@bsdimp.com> References: <20260302042115.83410-1-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=lists.gnu.org; Received-SPF: none client-ip=2607:f8b0:4864:20::235; envelope-from=imp@bsdimp.com; helo=mail-oi1-x235.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.20230601.gappssmtp.com) X-ZM-MESSAGEID: 1772425378416158500 Content-Type: text/plain; charset="utf-8" From: Stacey Son Add host_to_target_semid_ds() to convert host struct semid_ds to target format for semctl(2) IPC_STAT operations. Signed-off-by: Stacey Son Reviewed-by: Richard Henderson Signed-off-by: Warner Losh --- bsd-user/bsd-misc.c | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+) diff --git a/bsd-user/bsd-misc.c b/bsd-user/bsd-misc.c index 941f30d547..5b02006313 100644 --- a/bsd-user/bsd-misc.c +++ b/bsd-user/bsd-misc.c @@ -116,3 +116,23 @@ abi_long target_to_host_semid_ds(struct semid_ds *host= _sd, unlock_user_struct(target_sd, target_addr, 0); return 0; } + +abi_long host_to_target_semid_ds(abi_ulong target_addr, + struct semid_ds *host_sd) +{ + struct target_semid_ds *target_sd; + + if (!lock_user_struct(VERIFY_WRITE, target_sd, target_addr, 0)) { + return -TARGET_EFAULT; + } + host_to_target_ipc_perm__locked(&target_sd->sem_perm, + &host_sd->sem_perm); + /* sem_base is not used by kernel for IPC_STAT/IPC_SET */ + /* target_sd->sem_base =3D h2g((void *)host_sd->sem_base); */ + __put_user(target_sd->sem_nsems, &host_sd->sem_nsems); + __put_user(target_sd->sem_otime, &host_sd->sem_otime); + __put_user(target_sd->sem_ctime, &host_sd->sem_ctime); + unlock_user_struct(target_sd, target_addr, 1); + + return 0; +} --=20 2.52.0