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[73.143.21.186]) by smtp.gmail.com with ESMTPSA id gf12-20020a056214250c00b00698d06df322sm5945706qvb.122.2024.04.03.07.01.38 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 03 Apr 2024 07:01:39 -0700 (PDT) From: "Vineeth Pillai (Google)" To: Ben Segall , Borislav Petkov , Daniel Bristot de Oliveira , Dave Hansen , Dietmar Eggemann , "H . Peter Anvin" , Ingo Molnar , Juri Lelli , Mel Gorman , Paolo Bonzini , Andy Lutomirski , Peter Zijlstra , Sean Christopherson , Thomas Gleixner , Valentin Schneider , Vincent Guittot , Vitaly Kuznetsov , Wanpeng Li Cc: "Vineeth Pillai (Google)" , Steven Rostedt , Joel Fernandes , Suleiman Souhlal , Masami Hiramatsu , himadrics@inria.fr, kvm@vger.kernel.org, linux-kernel@vger.kernel.org, x86@kernel.org Subject: [RFC PATCH v2 5/5] selftests/bpf: sample implementation of a bpf pvsched driver. Date: Wed, 3 Apr 2024 10:01:16 -0400 Message-Id: <20240403140116.3002809-6-vineeth@bitbyteword.org> X-Mailer: git-send-email 2.40.1 In-Reply-To: <20240403140116.3002809-1-vineeth@bitbyteword.org> References: <20240403140116.3002809-1-vineeth@bitbyteword.org> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" A dummy skeleton of a bpf pvsched driver. This is just for demonstration purpose and would need more work to be included as a test for this feature. Not-Signed-off-by: Vineeth Pillai (Google) --- .../testing/selftests/bpf/progs/bpf_pvsched.c | 37 +++++++++++++++++++ 1 file changed, 37 insertions(+) create mode 100644 tools/testing/selftests/bpf/progs/bpf_pvsched.c diff --git a/tools/testing/selftests/bpf/progs/bpf_pvsched.c b/tools/testin= g/selftests/bpf/progs/bpf_pvsched.c new file mode 100644 index 000000000000..a653baa3034b --- /dev/null +++ b/tools/testing/selftests/bpf/progs/bpf_pvsched.c @@ -0,0 +1,37 @@ +// SPDX-License-Identifier: GPL-2.0 +/* Copyright (c) 2019 Facebook */ + +#include "vmlinux.h" +#include "bpf_tracing_net.h" +#include +#include + +char _license[] SEC("license") =3D "GPL"; + +SEC("struct_ops/pvsched_vcpu_reg") +int BPF_PROG(pvsched_vcpu_reg, struct pid *pid) +{ + bpf_printk("pvsched_vcpu_reg: pid: %p", pid); + return 0; +} + +SEC("struct_ops/pvsched_vcpu_unreg") +void BPF_PROG(pvsched_vcpu_unreg, struct pid *pid) +{ + bpf_printk("pvsched_vcpu_unreg: pid: %p", pid); +} + +SEC("struct_ops/pvsched_vcpu_notify_event") +void BPF_PROG(pvsched_vcpu_notify_event, void *addr, struct pid *pid, __u3= 2 event) +{ + bpf_printk("pvsched_vcpu_notify: pid: %p, event:%u", pid, event); +} + +SEC(".struct_ops") +struct pvsched_vcpu_ops pvsched_ops =3D { + .pvsched_vcpu_register =3D (void *)pvsched_vcpu_reg, + .pvsched_vcpu_unregister =3D (void *)pvsched_vcpu_unreg, + .pvsched_vcpu_notify_event =3D (void *)pvsched_vcpu_notify_event, + .events =3D 0x6, + .name =3D "bpf_pvsched_ops", +}; --=20 2.40.1