{"id":2232103,"url":"http://patchwork.ozlabs.org/api/patches/2232103/?format=json","web_url":"http://patchwork.ozlabs.org/project/qemu-devel/patch/20260502-ioctl-v3-17-a05d4cb1bdff@bsdimp.com/","project":{"id":14,"url":"http://patchwork.ozlabs.org/api/projects/14/?format=json","name":"QEMU Development","link_name":"qemu-devel","list_id":"qemu-devel.nongnu.org","list_email":"qemu-devel@nongnu.org","web_url":"","scm_url":"","webscm_url":"","list_archive_url":"","list_archive_url_format":"","commit_url_format":""},"msgid":"<20260502-ioctl-v3-17-a05d4cb1bdff@bsdimp.com>","list_archive_url":null,"date":"2026-05-02T17:09:38","name":"[v3,17/19] bsd-user: Add do_bsd_ioctl main function","commit_ref":null,"pull_url":null,"state":"new","archived":false,"hash":"f3a9dadc52f5ad7108b9cd32825dbc7b5b71398a","submitter":{"id":1896,"url":"http://patchwork.ozlabs.org/api/people/1896/?format=json","name":"Warner Losh","email":"imp@bsdimp.com"},"delegate":null,"mbox":"http://patchwork.ozlabs.org/project/qemu-devel/patch/20260502-ioctl-v3-17-a05d4cb1bdff@bsdimp.com/mbox/","series":[{"id":502541,"url":"http://patchwork.ozlabs.org/api/series/502541/?format=json","web_url":"http://patchwork.ozlabs.org/project/qemu-devel/list/?series=502541","date":"2026-05-02T17:09:22","name":"bsd-user: upstream ioctl","version":3,"mbox":"http://patchwork.ozlabs.org/series/502541/mbox/"}],"comments":"http://patchwork.ozlabs.org/api/patches/2232103/comments/","check":"pending","checks":"http://patchwork.ozlabs.org/api/patches/2232103/checks/","tags":{},"related":[],"headers":{"Return-Path":"","X-Original-To":"incoming@patchwork.ozlabs.org","Delivered-To":"patchwork-incoming@legolas.ozlabs.org","Authentication-Results":["legolas.ozlabs.org;\n\tdkim=pass (2048-bit key;\n unprotected) header.d=bsdimp-com.20251104.gappssmtp.com\n header.i=@bsdimp-com.20251104.gappssmtp.com header.a=rsa-sha256\n header.s=20251104 header.b=p9e66/wz;\n\tdkim-atps=neutral","legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org\n (client-ip=209.51.188.17; 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charset=\"utf-8\"","Content-Transfer-Encoding":"7bit","Message-Id":"<20260502-ioctl-v3-17-a05d4cb1bdff@bsdimp.com>","References":"<20260502-ioctl-v3-0-a05d4cb1bdff@bsdimp.com>","In-Reply-To":"<20260502-ioctl-v3-0-a05d4cb1bdff@bsdimp.com>","To":"qemu-devel@nongnu.org","Cc":"Kyle Evans ,\n =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= ,\n Pierrick Bouvier ,\n Warner Losh , \"Stacey D. Son\" ","X-Mailer":"b4 0.14.3","X-Developer-Signature":"v=1; a=openpgp-sha256; l=3931; i=imp@bsdimp.com;\n h=from:subject:message-id; bh=xguMmeeOWqzWWh1TUfAOdmnx9WUC5A613/gvNUKKM1I=;\n b=owEBbQKS/ZANAwAKAWwc0Sh9sBEAAcsmYgBp9i/RXHs2r0ZF3gUUKBSzAtxA32QJZJ4oizlcu\n GMWKPkcfceJAjMEAAEKAB0WIQQgNfiUsAqjz3zN4bdsHNEofbARAAUCafYv0QAKCRBsHNEofbAR\n AAuvD/0fmT1d/SKwYpHsG7ONoPBz8riszqyJDD/9R+7Vunj9HAxqqwNnlmv+KTuIX6s5eM4eDBn\n yFixD/OH+Qr5HltHUAIRBPVV6PPSpqnyWrf49A3ShnCRoey+Zgica6vS9NxNZ9Fh6SDqWKXREN3\n GmO0+Q9h4Q3Qi7ChIiPl9Nn4mA9FcpzeKxuAUqyaBgkRl/NuUKptDSxhcLPd11nxlqofZl9v8D8\n 18KTs4SVrOcX0bHroDLxHaj5UaVfBB722r+drBzFHzI4CUmiW6sQXwTVhI4Mtv3QevShnfzfzJ/\n AqmnR4XVk2EYVB6tUuxgzdMR9zDEEmn+UXmtPWsYiVCM4MXonbhsslonv28jqKBgPzuZAjGbyGt\n IL/PRZ67mSMicgMzbS+GcMQyxAxkxB8+HKHl8ldGL0aWNva/pIVE+Pc29uaLzqwegIruGYSde9D\n HgQrLKINfNPh8Lxwxelkh8carziGSkghLD3wb/S/eB5HB4OMOWQL0p37ADsrTQMBGoIbnNkXZqe\n XT3k0VT/vo1UxMiYqz5iduOgh06xJmA3ajXUo69k3NUpRfCWKwoXQPhOF7NgFp4V3DQzg9fARwJ\n pzpMPCzeZCH+wAc4eAMi+5X95O6/dhk2YgJmkinu175jDwyGr1wnA7tfR5+4RnNEZnuNuIP32Zq\n QO8hkvAhIH3HS3Q==","X-Developer-Key":"i=imp@bsdimp.com; a=openpgp;\n fpr=2035F894B00AA3CF7CCDE1B76C1CD1287DB01100","Received-SPF":"none client-ip=2607:f8b0:4864:20::330;\n envelope-from=imp@bsdimp.com; helo=mail-ot1-x330.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,\n DKIM_VALID=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001,\n 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":",\n ","List-Archive":"","List-Post":"","List-Help":"","List-Subscribe":",\n ","Errors-To":"qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org","Sender":"qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org"},"content":"Add main ioctl emulation dispatcher that handles table-driven\nioctl translation with thunk-based structure conversion. Supports\nTYPE_NULL, TYPE_INT, and TYPE_PTR argument types with read, write,\nand read-write access modes.\n\nSigned-off-by: Stacey D. Son \nReviewed-by: Pierrick Bouvier \nSigned-off-by: Warner Losh \n---\n bsd-user/bsd-ioctl.c | 100 +++++++++++++++++++++++++++++++++++++++++++++++++++\n 1 file changed, 100 insertions(+)","diff":"diff --git a/bsd-user/bsd-ioctl.c b/bsd-user/bsd-ioctl.c\nindex 8d25d84dbe..3940a69260 100644\n--- a/bsd-user/bsd-ioctl.c\n+++ b/bsd-user/bsd-ioctl.c\n@@ -292,3 +292,103 @@ static abi_long do_ioctl_in6_ifreq_sockaddr_int(const IOCTLEntry *ie,\n \n return ret;\n }\n+\n+abi_long do_bsd_ioctl(int fd, abi_long cmd, abi_long arg)\n+{\n+ const IOCTLEntry *ie;\n+ const argtype *arg_type;\n+ abi_long ret;\n+ uint8_t buf_temp[MAX_STRUCT_SIZE];\n+ int target_size;\n+ void *argptr;\n+\n+ ie = ioctl_entries;\n+ for (;;) {\n+ if (ie->target_cmd == 0) {\n+ gemu_log(\"QEMU unsupported ioctl: \");\n+ log_unsupported_ioctl(cmd);\n+ return -TARGET_ENOSYS;\n+ }\n+ if (ie->target_cmd == cmd) {\n+ break;\n+ }\n+ ie++;\n+ }\n+ arg_type = ie->arg_type;\n+#if defined(DEBUG)\n+ gemu_log(\"ioctl: cmd=0x%04lx (%s)\\n\", (long)cmd, ie->name);\n+#endif\n+ if (ie->do_ioctl) {\n+ return ie->do_ioctl(ie, buf_temp, fd, cmd, arg);\n+ }\n+\n+ switch (arg_type[0]) {\n+ case TYPE_NULL:\n+ /* no argument */\n+ ret = get_errno(safe_ioctl(fd, ie->host_cmd));\n+ break;\n+\n+ case TYPE_PTRVOID:\n+ case TYPE_INT:\n+ /* int argument */\n+ ret = get_errno(safe_ioctl(fd, ie->host_cmd, arg));\n+ break;\n+\n+ case TYPE_PTR:\n+ arg_type++;\n+ target_size = thunk_type_size(arg_type, 0);\n+ switch (ie->access) {\n+ case IOC_R:\n+ ret = get_errno(safe_ioctl(fd, ie->host_cmd, buf_temp));\n+ if (!is_error(ret)) {\n+ argptr = lock_user(VERIFY_WRITE, arg,\n+ target_size, 0);\n+ if (!argptr) {\n+ return -TARGET_EFAULT;\n+ }\n+ thunk_convert(argptr, buf_temp, arg_type,\n+ THUNK_TARGET);\n+ unlock_user(argptr, arg, target_size);\n+ }\n+ break;\n+\n+ case IOC_W:\n+ argptr = lock_user(VERIFY_READ, arg, target_size, 1);\n+ if (!argptr) {\n+ return -TARGET_EFAULT;\n+ }\n+ thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST);\n+ unlock_user(argptr, arg, 0);\n+ ret = get_errno(safe_ioctl(fd, ie->host_cmd, buf_temp));\n+ break;\n+\n+ case IOC_RW:\n+ /* fallthrough */\n+ default:\n+ argptr = lock_user(VERIFY_READ, arg, target_size, 1);\n+ if (!argptr) {\n+ return -TARGET_EFAULT;\n+ }\n+ thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST);\n+ unlock_user(argptr, arg, 0);\n+ ret = get_errno(safe_ioctl(fd, ie->host_cmd, buf_temp));\n+ if (!is_error(ret)) {\n+ argptr = lock_user(VERIFY_WRITE, arg, target_size, 0);\n+ if (!argptr) {\n+ return -TARGET_EFAULT;\n+ }\n+ thunk_convert(argptr, buf_temp, arg_type, THUNK_TARGET);\n+ unlock_user(argptr, arg, target_size);\n+ }\n+ break;\n+ }\n+ break;\n+\n+ default:\n+ gemu_log(\"QEMU unknown ioctl: type=%d \", arg_type[0]);\n+ log_unsupported_ioctl(cmd);\n+ ret = -TARGET_ENOSYS;\n+ break;\n+ }\n+ return ret;\n+}\n","prefixes":["v3","17/19"]}