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Thu, 05 Feb 2026 09:26:54 -0800 (PST) From: Warner Losh Date: Thu, 05 Feb 2026 10:26:45 -0700 Subject: [PATCH 12/24] bsd-user: Add host_to_target_msqid_ds for msgctl(2) MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20260205-bsd-user-claude-v1-12-8d8ff0035372@bsdimp.com> References: <20260205-bsd-user-claude-v1-0-8d8ff0035372@bsdimp.com> In-Reply-To: <20260205-bsd-user-claude-v1-0-8d8ff0035372@bsdimp.com> To: qemu-devel@nongnu.org Cc: =?utf-8?q?Daniel_P=2E_Berrang=C3=A9?= , Kyle Evans , =?utf-8?q?Marc-Andr=C3=A9_Lureau?= , Paolo Bonzini , =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= , Riku Voipio , Warner Losh , Stacey Son , Brooks Davis , Sean Bruno , Mikael Urankar X-Mailer: b4 0.14.3 X-Developer-Signature: v=1; a=openpgp-sha256; l=2023; i=imp@bsdimp.com; h=from:subject:message-id; bh=3hpc4zcdTmYdtYeFdjXrSPsRxTUOn6kyxap64nQnBQw=; b=owEBbQKS/ZANAwAKAWwc0Sh9sBEAAcsmYgBphNLaP2Jj+UjHaDtX3QOdd/OCHXYZqqjlMTWnh S12K/T9D2KJAjMEAAEKAB0WIQQgNfiUsAqjz3zN4bdsHNEofbARAAUCaYTS2gAKCRBsHNEofbAR AJCVD/sHLPEEFzrkycApVC3nTC8ymjne6vdpPYFHIrMxdRaxChUilbDjqX7WuZ441lF4ngPSaZg U/QLkdYrogX9c/1tpSig+AfJ7hDXwoyjh1CrElHoiMfa9Oo20B2BhZ6ONvmykWAFlY+KyzFnS5P Q/03fRGm3yPDU4MI09ZqN350ElG9flcHYp+N4fxLpKbuZPNN61Xsvxy9e3Dndz0bv5am72kQ5Uy zXJuH43+Hi4pKXOf38LDZ6zcs87GxNdbqLsqT/csbm2vF0+9qI5MStLlD8XJchry8PIELCL2UwU 8Szj8fTObtUdsN6qlciSzWPTU4LzecYzEx1J7SSAlRc685byWz7jNC4fLArDGdCo+hAGWZ4Ljav C3CCJ2v+5jx1P/xdSYnDnELYuWiwMMk08JR2Q2oaetnRZoyPKF8UAP4lAmrNQ4n6chcyI4mj9Ik scVqemEWyHLpLRsBQ5PztuuMPL2Gb/onmSSHSKy4ngtfX9dWsfx+Zi6SzRF/aabWvr+HSG+/KhK G1dbuQEcswE5NOVNi268nk5WAixHwjJAeEW9YmM0n1TLbhrKJdaTaO98q3o3KWwwc6qzx7e2kue cC77Spkast8cs0szrffQ2riu2hMyA3+iKvJtMEtD7C+hwxKral6g0/oqIjR5fjV4skna3EJVCBt gAYAVNRbidPWn9Q== X-Developer-Key: i=imp@bsdimp.com; a=openpgp; fpr=2035F894B00AA3CF7CCDE1B76C1CD1287DB01100 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::336; envelope-from=imp@bsdimp.com; helo=mail-ot1-x336.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: 1770312531996154100 From: Stacey Son Add host_to_target_msqid_ds() to convert host struct msqid_ds to target format for msgctl(2) IPC_STAT operations. Signed-off-by: Stacey Son Signed-off-by: Brooks Davis Signed-off-by: Sean Bruno Signed-off-by: Mikael Urankar Signed-off-by: Warner Losh --- bsd-user/bsd-misc.c | 33 +++++++++++++++++++++++++++++++++ 1 file changed, 33 insertions(+) diff --git a/bsd-user/bsd-misc.c b/bsd-user/bsd-misc.c index e7031c5264..03773e2620 100644 --- a/bsd-user/bsd-misc.c +++ b/bsd-user/bsd-misc.c @@ -187,3 +187,36 @@ abi_long target_to_host_msqid_ds(struct msqid_ds *host= _md, =20 return 0; } + +abi_long host_to_target_msqid_ds(abi_ulong target_addr, + struct msqid_ds *host_md) +{ + struct target_msqid_ds *target_md; + + if (!lock_user_struct(VERIFY_WRITE, target_md, target_addr, 0)) { + return -TARGET_EFAULT; + } + + memset(target_md, 0, sizeof(struct target_msqid_ds)); + host_to_target_ipc_perm__locked(&target_md->msg_perm, + &host_md->msg_perm); + + /* msg_first and msg_last are not used by IPC_SET/IPC_STAT in kernel. = */ + target_md->msg_cbytes =3D tswapal(host_md->msg_cbytes); + target_md->msg_qnum =3D tswapal(host_md->msg_qnum); + target_md->msg_qbytes =3D tswapal(host_md->msg_qbytes); + target_md->msg_lspid =3D tswapal(host_md->msg_lspid); + target_md->msg_lrpid =3D tswapal(host_md->msg_lrpid); +#if defined(TARGET_I386) + target_md->msg_stime =3D tswap32(host_md->msg_stime); + target_md->msg_rtime =3D tswap32(host_md->msg_rtime); + target_md->msg_ctime =3D tswap32(host_md->msg_ctime); +#else + target_md->msg_stime =3D tswap64(host_md->msg_stime); + target_md->msg_rtime =3D tswap64(host_md->msg_rtime); + target_md->msg_ctime =3D tswap64(host_md->msg_ctime); +#endif + unlock_user_struct(target_md, target_addr, 1); + + return 0; +} --=20 2.52.0