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([93.140.16.93]) by smtp.googlemail.com with ESMTPSA id ffacd0b85a97d-436297450b4sm514079f8f.34.2026.02.05.11.58.49 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 05 Feb 2026 11:58:50 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1770321531; x=1770926331; darn=nongnu.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=vCYp6e1o8/fOhB4Yb7faE7VFCfaYZvUcACOBcpqqyGA=; b=VS3Gvh9ELpLrVeJbVZoHxSIAgx5G9Z6DhvEVqd2YREFM+RHkEU/bpxV3Mhz3WLDRn9 eGbm1/sRpWTrbmOLOrAt/4p7SgqhjibyLn1eP4kyQK1G1C44tzrtTlkd/I2ArErYcxU5 4+diH9/+vxYk0onxg+W7wlPbDtoA7rMBwHzjT18QLq4ujYdz4RCkyEoqUv4iE24H+eAl pgrBi1Ash7SuEPzOSnSW0yHcwK0kE5SgdIsFWoZG9sMv9/WKs2vAA18LLmC5+qvlZzBz tNGxIq89bWOSHL4hENeXOgNcse12L787qPMAxoxfegBaF2qq6jajjoL689rQKqzHyQzL sggg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1770321531; x=1770926331; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-gg:x-gm-message-state:from :to:cc:subject:date:message-id:reply-to; bh=vCYp6e1o8/fOhB4Yb7faE7VFCfaYZvUcACOBcpqqyGA=; b=o8qcVn9KfUzCTNB/qzMj7M5LDZkj6JTZa9bqmjdYqXoxDlG0oixlrlxajWNIOE5os7 6qurdTOGPEZxLJvfU53Pn8Ifg4VRwwMdJJCLNQzIuIoN55TBn+zSsl89L1W/enPbWamt ekttmVSwNRpBbO3KPiNfwvkK/9X1lnTy4p6apc4b+zPsyV7UQitaEtEU7S2+u93MTem2 2SsvO3xXmpM6J9+HkSEOascxdYc2vbnxmiPGmgeivlYcsZraTVQlp3ePvkQS4ELTs1bi VeQ8Px/5OLe8w2jFO7jrIcjqi5moSFqd6FTV+Q279Pmo+RvRZMGWPgEQEQ5e1wdXKET9 sSVA== X-Gm-Message-State: AOJu0Yw6EYfIy60a/4t3iGGHjGWUAainijLbjWnbIPNtJH7pPHHhJ6L6 zFTNa5rRNyDj/vOTe+TIz39khynS6FZ20Ry5X3f24vZikzeS2X1P5pt1YFMUv48yLEg= X-Gm-Gg: AZuq6aLmyvB8jQWaIZCOQ7Ttxs1FnqZ1vc8snucI1+NJ7J8gBXLDViR2vfJrbnY2DuU twELkqKjQH07Zf3MujAN0QBMeC42gfFCCtXE6DR3NCC/AsiN+jtdqxn0e2AgzOPGaUbYAu6H+bY ixiNeqlWn4eNRo/kA7epJQ+71G5YpAWHGRfs4we38luSmTXJahsRzokPQPvdM5UfhMSnIaLtF4z KGBPo7nd0uCVCBCpAdpH6G+24icrmvqwPbGlYp11jEELDk6It7hncnTzYwgtduS3qgVI8swB1U8 JIFevsEy8j4GU+dale2RQSI39i/Vaa/dHpUXWVo/FRySlqX1AwY7Gpapsgz4XUOt/83F6KCp2Ws lsu5V+NtH0H6NAKmFDxMkkwqgZamxuqAj8Y8gCz8GyZly3ETKhlTRbOCbgGz3WA5kxBWv5itgVD X0CixS3GCNHAE3YIe3ILI= X-Received: by 2002:a05:6000:2303:b0:435:9612:2d24 with SMTP id ffacd0b85a97d-4362937e1d7mr618106f8f.53.1770321531276; Thu, 05 Feb 2026 11:58:51 -0800 (PST) From: Ruslan Ruslichenko To: qemu-devel@nongnu.org Cc: qemu-arm@nongnu.org, peter.maydell@linaro.org, artem_mygaiev@epam.com, volodymyr_babchuk@epam.com, takahiro.nakata.wr@renesas.com, "Edgar E . Iglesias" , francisco.iglesias@amd.com, Ruslan_Ruslichenko@epam.com, Paolo Bonzini , "Edgar E . Iglesias" Subject: [PATCH 06/29] system/vl: Introduce -machine-path command line option Date: Thu, 5 Feb 2026 20:58:01 +0100 Message-ID: <20260205195824.2610192-7-ruslichenko.r@gmail.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20260205195824.2610192-1-ruslichenko.r@gmail.com> References: <20260205195824.2610192-1-ruslichenko.r@gmail.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: pass client-ip=2a00:1450:4864:20::430; envelope-from=ruslichenko.r@gmail.com; helo=mail-wr1-x430.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=unavailable 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 @gmail.com) X-ZM-MESSAGEID: 1770321713629158500 Content-Type: text/plain; charset="utf-8" From: Ruslan Ruslichenko This patch adds a new command line option `-machine-path` to specify a directory path for shared machine resources. This path is intended to serve as a base directory for devices or subsystems that need to automatically create coordination files, such as Unix domain sockets, particularly in multi-process simulation environments. Signed-off-by: Edgar E. Iglesias Signed-off-by: Takahiro Nakata Signed-off-by: Ruslan Ruslichenko --- include/system/system.h | 2 ++ qemu-options.hx | 10 ++++++++++ system/vl.c | 4 ++++ 3 files changed, 16 insertions(+) diff --git a/include/system/system.h b/include/system/system.h index 03a2d0e900..0cd012004d 100644 --- a/include/system/system.h +++ b/include/system/system.h @@ -57,6 +57,8 @@ bool is_mlock_on_fault(MlockState); =20 extern MlockState mlock_state; =20 +extern const char *machine_path; + #define MAX_OPTION_ROMS 16 typedef struct QEMUOptionRom { const char *name; diff --git a/qemu-options.hx b/qemu-options.hx index 6dd3e04e38..b7dd2a64f0 100644 --- a/qemu-options.hx +++ b/qemu-options.hx @@ -765,6 +765,16 @@ SRST Preallocate memory when using -mem-path. ERST =20 +DEF("machine-path", HAS_ARG, QEMU_OPTION_machine_path, + "-machine-path DIR A directory in which to create machine nodes\n", + QEMU_ARCH_ALL) +SRST +``-machine-path path`` + Selects the machine path. + Multi-arch machine nodes will be created in . + This option also sets -mem-shared-path to the given path. +ERST + DEF("k", HAS_ARG, QEMU_OPTION_k, "-k language use keyboard layout (for example 'fr' for French)\n", QEMU_ARCH_ALL) diff --git a/system/vl.c b/system/vl.c index c890da586c..4750b1cf69 100644 --- a/system/vl.c +++ b/system/vl.c @@ -182,6 +182,7 @@ static QemuPluginList plugin_list =3D QTAILQ_HEAD_INITI= ALIZER(plugin_list); static BlockdevOptionsQueue bdo_queue =3D QSIMPLEQ_HEAD_INITIALIZER(bdo_qu= eue); static bool nographic =3D false; static int mem_prealloc; /* force preallocation of physical target memory = */ +const char *machine_path; static const char *vga_model =3D NULL; static DisplayOptions dpy; static int num_serial_hds; @@ -3128,6 +3129,9 @@ void qemu_init(int argc, char **argv) case QEMU_OPTION_mem_prealloc: mem_prealloc =3D 1; break; + case QEMU_OPTION_machine_path: + machine_path =3D optarg; + break; case QEMU_OPTION_d: log_mask =3D optarg; break; --=20 2.43.0