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Thu, 05 Feb 2026 09:26:57 -0800 (PST) From: Warner Losh Date: Thu, 05 Feb 2026 10:26:48 -0700 Subject: [PATCH 15/24] bsd-user: Add do_bsd_uuidgen implementation MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20260205-bsd-user-claude-v1-15-8d8ff0035372@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 X-Mailer: b4 0.14.3 X-Developer-Signature: v=1; a=openpgp-sha256; l=1433; i=imp@bsdimp.com; h=from:subject:message-id; bh=JkfwpXoKXr8HAyR1b563dnbCt5z99SC9HgzSGrWNKgk=; b=owEBbQKS/ZANAwAKAWwc0Sh9sBEAAcsmYgBphNLbuB4TfAVljjpijQR95LZDptNN+IrE385PV jD8JXT4+pmJAjMEAAEKAB0WIQQgNfiUsAqjz3zN4bdsHNEofbARAAUCaYTS2wAKCRBsHNEofbAR AGLxD/93Ycbmd1XsmVezZJz4NmTQICT98CoxFGa3Jrwm4ZroSJnANXt5zZlG9Dk4w90RfAFB+cj 2yBdUbuVC1IKSLPVeEZyTCg/XAovyQ34xxFb6RUJhxwSCM1nUFuBxJVW5t84ab3BHHgypRcWO57 v98u+OialBtAcBhghSakimFygkfdjYRqSq/cMiNJOTbIctMxIsFcrcEcOUjAbL/N6bdcFLJsESn n/yAAyKDnbAbpaC9WlHbI2YeKjDCDMomCL2SmzMvvE/k6AssGYhScMJejEaJkMbng/ryynVFw3E pxhjsJZAN+QzfHdWcAVyASVQ+ugRUDNbB/ScswYM0p3pIKhrIrKRH817UiR50LZdRjnQVjhhawf 1IM9VfDC8EAysxh5LwSvXNEZTIWUF0129Cvc8ukRmmYme1DxBDydsfEF3Lbfu2oIchrx1t6E4ei wvqaS7xG/0TcjfY70nsi93Qy5d0KvUbrUEbGf3d0JDvY9ukKmDHsupwGRtdY8J5dFZWyLmSQQ/9 bRPT5/d3DQyZWTKnjl6QUuFbKTE1PvLFzvgTxf8/uEivhhhBCdwJjACEfHimyKvpttLk57poYJR mnflJePiyZ6c+Vp6D3GPtDzgaD8Z/dWuvcff4H3i418Ny/AaCRqdO6OwQlWDEyPuIRZVfMBY71+ dGjbgDb76lcr3Ag== 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=2001:4860:4864:20::34; envelope-from=imp@bsdimp.com; helo=mail-oa1-x34.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: 1770312454642158500 From: Stacey Son Add implementation of uuidgen(2) syscall that generates UUIDs and converts them to target ABI format. Signed-off-by: Stacey Son Signed-off-by: Warner Losh --- bsd-user/bsd-misc.h | 34 ++++++++++++++++++++++++++++++++++ 1 file changed, 34 insertions(+) diff --git a/bsd-user/bsd-misc.h b/bsd-user/bsd-misc.h index d81b4fbaef..b722c63437 100644 --- a/bsd-user/bsd-misc.h +++ b/bsd-user/bsd-misc.h @@ -43,6 +43,40 @@ static inline abi_long do_bsd_reboot(abi_long how) return -TARGET_ENOSYS; } =20 +/* uuidgen(2) */ +static inline abi_long do_bsd_uuidgen(abi_ulong target_addr, int count) +{ + int i; + abi_long ret; + struct uuid *host_uuid; + + if (count < 1 || count > 2048) { + return -TARGET_EINVAL; + } + + host_uuid =3D g_malloc(count * sizeof(struct uuid)); + + if (host_uuid =3D=3D NULL) { + return -TARGET_ENOMEM; + } + + ret =3D get_errno(uuidgen(host_uuid, count)); + if (is_error(ret)) { + goto out; + } + for (i =3D 0; i < count; i++) { + ret =3D host_to_target_uuid(target_addr + + (abi_ulong)(sizeof(struct target_uuid) * i), &host_uuid[i]); + if (is_error(ret)) { + goto out; + } + } + +out: + g_free(host_uuid); + return ret; +} + /* getdtablesize(2) */ static inline abi_long do_bsd_getdtablesize(void) { --=20 2.52.0