From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 899724F89A for ; Thu, 25 Jan 2024 13:26:26 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1706189186; cv=none; b=kKUmYJp+zR697aElkLYOeBI+gsHFsLY75W7whH/Y75U18vam0TWn8Pab7PhOz/IDSa/Fs6c9d9ZqZ1gblCvT8CMgT/tRuTQ1Stl6cXmLYtf+iY7SicrXh99Ow7tgqNaE5+1U4qYOA2JclipeLv2yE83c/M4hf5vOB2+s//zmvHo= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1706189186; c=relaxed/simple; bh=jeNMwWgdoQI8v8f75fPooVX+Dye/9s38lvjPrwp3VpY=; h=Message-ID:Subject:From:To:Date:In-Reply-To:References: Content-Type:MIME-Version; b=tTbhomTouO42wcffA9WlFyw5Db5Y7qYRYybZXUhJ/aKBEIB6C6LdvLgiNZxxFSHKP2N87Lt7hWTiZOHNR+rylsHFBca1GUrrDdfi4QXOULO6uBjHHRuoF8A86QMlPb3RlX3tiWeYqE91sFfGc+UJNKlrQ4tHHYrRNUaeL/cTegA= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=ZkqRPhr+; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="ZkqRPhr+" Received: by smtp.kernel.org (Postfix) with ESMTPSA id AE668C433F1; Thu, 25 Jan 2024 13:26:25 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1706189186; bh=jeNMwWgdoQI8v8f75fPooVX+Dye/9s38lvjPrwp3VpY=; h=Subject:From:To:Date:In-Reply-To:References:From; b=ZkqRPhr+Pco40o9MH7IqZTfqNt2KGlpgsn8GUUP7mnusGJr4PxNHebJ747Hn3euQc gvvxd6LBpQx/V/fXrimOQX05kWVlrIkm3jN+vGhMRfRn5qZUKfrzgLVD87vlCP1SAh P31qNRhOTelTLhsXQ7vyt5k3rq+dzs7cyf40+4Su7cnrlyLSnhVIE42vqAw3zZGxhD 9nSIa+eGQpvmd14oWssvdIHN2rMqfiEovSqaYkWm1QBiIaKgsc6KkE71oE/gw3RGuG p4SRuyfY2vZLDpNfQe3uv3i/FxU6aRz1hOO5LAD+NVlZ/tw1ppBBZ2Y3p3v4X8suHS obqJ2VaPncrZA== Message-ID: Subject: Re: [PATCH RFC] bringup: Add soft iWARP bring-up option From: Jeff Layton To: Chuck Lever , kdevops@lists.linux.dev Date: Thu, 25 Jan 2024 08:26:24 -0500 In-Reply-To: <170614950178.1377604.2396910201664717408.stgit@renoir.1015granger.net> References: <170614950178.1377604.2396910201664717408.stgit@renoir.1015granger.net> Autocrypt: addr=jlayton@kernel.org; prefer-encrypt=mutual; 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 kZWuOsJdJQdmwlWC5L5ln9xgfr/4mOY38B0U= Content-Type: text/plain; charset="ISO-8859-15" Content-Transfer-Encoding: quoted-printable User-Agent: Evolution 3.50.3 (3.50.3-1.fc39) Precedence: bulk X-Mailing-List: kdevops@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 On Wed, 2024-01-24 at 21:25 -0500, Chuck Lever wrote: > From: Chuck Lever >=20 > An iWARP device on the target hosts enables testing RDMA-based > storage protocols such as SMB Direct, NVMeoF, or NFS/RDMA. >=20 > "rdma link" has to be done after every boot; it's not sticky, since > there's no physical RDMA device involved. Thus a udev rule is > inserted on each host to instantiate the siw device for the local > eth0, whenever it is rebooted. >=20 > Note that the Linux kernel Kconfig option >=20 > CONFIG_RDMA_SIW >=20 > must be set to M or Y in order for the siw.ko driver to be built for > the target hosts. >=20 > Signed-off-by: Chuck Lever > --- > Makefile | 4 ++++ > kconfigs/Kconfig.bringup.goals | 11 +++++++++++ > playbooks/roles/siw/tasks/main.yml | 23 ++++++++++++++++++++++= + > playbooks/roles/siw/templates/99-siw.rules | 2 ++ > playbooks/siw.yml | 4 ++++ > scripts/bringup.Makefile | 4 ++++ > scripts/siw.Makefile | 5 +++++ > 7 files changed, 53 insertions(+) > create mode 100644 playbooks/roles/siw/tasks/main.yml > create mode 100644 playbooks/roles/siw/templates/99-siw.rules > create mode 100644 playbooks/siw.yml > create mode 100644 scripts/siw.Makefile >=20 Looks good to me. I had started some work on a similar option, but yours is definitely farther along. I gave this a spin and it brought up the interfaces properly. It would be nice to add a new client for the fstests and gitr workflows. It should be pretty simple to add that on top of this, I think. Nice work! Tested-by: Jeff Layton Reviewed-by: Jeff Layton > diff --git a/Makefile b/Makefile > index c9ee45a7a639..ad34743e3e53 100644 > --- a/Makefile > +++ b/Makefile > @@ -118,6 +118,10 @@ ifeq (y,$(CONFIG_WORKFLOWS)) > include workflows/Makefile > endif # CONFIG_WORKFLOWS > =20 > +ifeq (y,$(CONFIG_KDEVOPS_SETUP_SIW)) > +include scripts/siw.Makefile > +endif # CONFIG_KDEVOPS_SETUP_SIW > + > ifeq (y,$(CONFIG_KDEVOPS_SETUP_KTLS)) > include scripts/ktls.Makefile > endif # CONFIG_KDEVOPS_SETUP_KTLS > diff --git a/kconfigs/Kconfig.bringup.goals b/kconfigs/Kconfig.bringup.go= als > index 8e4a8735f8e0..71948e9b65c6 100644 > --- a/kconfigs/Kconfig.bringup.goals > +++ b/kconfigs/Kconfig.bringup.goals > @@ -77,6 +77,17 @@ config KDEVOPS_TRY_INSTALL_KDEV_TOOLS > most kernel developers might prefer to have installed on target > systems. > =20 > +config KDEVOPS_SETUP_SIW > + bool "Configure soft iWARP on all test systems" > + default n > + help > + Configure software-emulated RDMA on all target hosts via the > + kernel siw.ko driver. siw can be used with any standard > + Ethernet device, including virtio-net devices. > + > + Because siw is currently not enabled in most Linux distro > + kernels, this option defaults to N. > + > config KDEVOPS_SETUP_KTLS > bool "Configure ktls on the hosts with self-signed CA" > default n > diff --git a/playbooks/roles/siw/tasks/main.yml b/playbooks/roles/siw/tas= ks/main.yml > new file mode 100644 > index 000000000000..6b0ab7ac02c0 > --- /dev/null > +++ b/playbooks/roles/siw/tasks/main.yml > @@ -0,0 +1,23 @@ > +- name: Import optional extra_args file > + include_vars: "{{ item }}" > + ignore_errors: yes > + with_first_found: > + - files: > + - "../extra_vars.yml" > + - "../extra_vars.yaml" > + - "../extra_vars.json" > + skip: true > + > +- name: Insert udev rule to create siw device > + become: yes > + become_method: sudo > + template: > + src: "99-siw.rules" > + dest: "/usr/lib/udev/rules.d/" > + owner: "root" > + group: "root" > + > +- name: Reload udev rules > + become: yes > + become_method: sudo > + ansible.builtin.command: "udevadm control --reload" > diff --git a/playbooks/roles/siw/templates/99-siw.rules b/playbooks/roles= /siw/templates/99-siw.rules > new file mode 100644 > index 000000000000..6c0cc7810e8e > --- /dev/null > +++ b/playbooks/roles/siw/templates/99-siw.rules > @@ -0,0 +1,2 @@ > +ACTION=3D=3D"add", SUBSYSTEM=3D=3D"net", KERNEL=3D=3D"eth0", \ > + PROGRAM=3D"/usr/sbin/rdma link add siw0 type siw netdev eth0" > diff --git a/playbooks/siw.yml b/playbooks/siw.yml > new file mode 100644 > index 000000000000..5258a5af9dca > --- /dev/null > +++ b/playbooks/siw.yml > @@ -0,0 +1,4 @@ > +--- > +- hosts: all > + roles: > + - role: siw > diff --git a/scripts/bringup.Makefile b/scripts/bringup.Makefile > index dcab51556ddb..6e64b6c12172 100644 > --- a/scripts/bringup.Makefile > +++ b/scripts/bringup.Makefile > @@ -29,6 +29,10 @@ KDEVOPS_BRING_UP_DEPS +=3D ktls > KDEVOPS_DESTROY_DEPS +=3D ktls-destroy > endif # KDEVOPS_SETUP_KTLS > =20 > +ifeq (y,$(CONFIG_KDEVOPS_SETUP_SIW)) > +KDEVOPS_BRING_UP_DEPS +=3D siw > +endif # KDEVOPS_SETUP_SIW > + > ifeq (y,$(CONFIG_DEVCONFIG_ENABLE_SYSTEMD_JOURNAL_REMOTE)) > =20 > JOURNAL_REMOTE:=3D$(subst ",,$(CONFIG_DEVCONFIG_SYSTEMD_JOURNAL_REMOTE_U= RL)) > diff --git a/scripts/siw.Makefile b/scripts/siw.Makefile > new file mode 100644 > index 000000000000..80f963092b11 > --- /dev/null > +++ b/scripts/siw.Makefile > @@ -0,0 +1,5 @@ > +siw: > + $(Q)ansible-playbook $(ANSIBLE_VERBOSE) --extra-vars=3D@./extra_vars.ya= ml \ > + -f 30 -i hosts playbooks/siw.yml > + > +PHONY +=3D siw >=20 >=20 >=20