From patchwork Thu Oct 3 19:50:59 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Nuno Das Neves X-Patchwork-Id: 13821482 Received: from linux.microsoft.com (linux.microsoft.com [13.77.154.182]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 62A6F1AC8B9; Thu, 3 Oct 2024 19:51:16 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=13.77.154.182 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1727985078; cv=none; b=ewVvQeQKviZOsQ4Ex9NBQOXt+1hcpkJyiLS+CBLU04Ykp1uCq5AZPo2vNMI3j55KYP2OsHTYzMApVK1WkT2goWy+bnjrKney2ZJoQ3B8gCjy5PEBuptuZ0avedRR1tId2z7h3MT67AiJAshb4wPsgwSX3GN0GbeLzpVLSk0+b7c= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1727985078; c=relaxed/simple; bh=LvXuW07DElmphyGOeOxZTYcc5I17BlWgMBispM9Tm0w=; h=From:To:Cc:Subject:Date:Message-Id; b=FVxH7YzJs+ZvUNrgabBhGhvOhApLzQzWtjoYSLIsNFwNRajk6KBnhDxfxuMJyl149y4CDA4mogrxWXhwZtOUYrFZ2rcc1/NbFCnQkN0ALdIeiaD/5cd6d0XcrnI9JidAF3Olle+Dp7s3hQBYANOUXfflhSGcqu6tLYEbvWn/GKw= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.microsoft.com; spf=pass smtp.mailfrom=linux.microsoft.com; dkim=pass (1024-bit key) header.d=linux.microsoft.com header.i=@linux.microsoft.com header.b=iaCjs6Wo; arc=none smtp.client-ip=13.77.154.182 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.microsoft.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linux.microsoft.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux.microsoft.com header.i=@linux.microsoft.com header.b="iaCjs6Wo" Received: from linuxonhyperv3.guj3yctzbm1etfxqx2vob5hsef.xx.internal.cloudapp.net (linux.microsoft.com [13.77.154.182]) by linux.microsoft.com (Postfix) with ESMTPSA id D046520DB35D; Thu, 3 Oct 2024 12:51:09 -0700 (PDT) DKIM-Filter: OpenDKIM Filter v2.11.0 linux.microsoft.com D046520DB35D DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.microsoft.com; s=default; t=1727985069; bh=nHGX8zwwOomC34dyU6ixeYDufe9vxK5rO4mA9Rus51s=; h=From:To:Cc:Subject:Date:From; b=iaCjs6WodUbua+uhfLTMTGJP+jo8u/Ibyom3MPqrld6rOPAcIq3clyN04GFNZxD7o F4+idAjqql3s/AtcZibCieqsrWZnfMrJuFDoVS423rFzlmEeEiKcqiOibiDmoiNPXF l+KBC+uTKON85PgSs1bs0u1xWYYmhsJOVKSYjthI= From: Nuno Das Neves To: linux-hyperv@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, kvm@vger.kernel.org, iommu@lists.linux.dev, netdev@vger.kernel.org, linux-pci@vger.kernel.org, linux-arch@vger.kernel.org, virtualization@lists.linux.dev Cc: kys@microsoft.com, haiyangz@microsoft.com, wei.liu@kernel.org, decui@microsoft.com, catalin.marinas@arm.com, will@kernel.org, luto@kernel.org, tglx@linutronix.de, mingo@redhat.com, bp@alien8.de, dave.hansen@linux.intel.com, x86@kernel.org, hpa@zytor.com, seanjc@google.com, pbonzini@redhat.com, peterz@infradead.org, daniel.lezcano@linaro.org, joro@8bytes.org, robin.murphy@arm.com, davem@davemloft.net, edumazet@google.com, kuba@kernel.org, pabeni@redhat.com, lpieralisi@kernel.org, kw@linux.com, robh@kernel.org, bhelgaas@google.com, arnd@arndb.de, sgarzare@redhat.com, jinankjain@linux.microsoft.com, muminulrussell@gmail.com, skinsburskii@linux.microsoft.com, mukeshrathor@microsoft.com Subject: [PATCH 0/5] Add new headers for Hyper-V Dom0 Date: Thu, 3 Oct 2024 12:50:59 -0700 Message-Id: <1727985064-18362-1-git-send-email-nunodasneves@linux.microsoft.com> X-Mailer: git-send-email 1.8.3.1 Precedence: bulk X-Mailing-List: kvm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: To support Hyper-V Dom0 (aka Linux as root partition), many new definitions are required. The plan going forward is to directly import headers from Hyper-V. This is a more maintainable way to import definitions rather than via the TLFS doc. This patch series introduces new headers (hvhdk.h, hvgdk.h, etc, see patch #3) directly derived from Hyper-V code. This patch series replaces hyperv-tlfs.h with hvhdk.h, but only in Microsoft-maintained Hyper-V code where they are needed. This leaves the existing hyperv-tlfs.h in use elsewhere - notably for Hyper-V enlightenments on KVM guests. An intermediary header "hv_defs.h" is introduced to conditionally include either hyperv-tlfs.h or hvhdk.h. This is required because several headers which today include hyperv-tlfs.h, are shared between Hyper-V and KVM code (e.g. mshyperv.h). Summary: Patch 1-2: Cleanup patches Patch 3: Add the new headers (hvhdk.h, etc..) in include/hyperv/ Patch 4: Add hv_defs.h and use it in mshyperv.h, svm.h, hyperv_timer.h Patch 5: Switch to the new headers, only in Hyper-V code Nuno Das Neves (5): hyperv: Move hv_connection_id to hyperv-tlfs.h hyperv: Remove unnecessary #includes hyperv: Add new Hyper-V headers hyperv: Add hv_defs.h to conditionally include hyperv-tlfs.h or hvhdk.h hyperv: Use hvhdk.h instead of hyperv-tlfs.h in Hyper-V code arch/arm64/hyperv/hv_core.c | 3 +- arch/arm64/hyperv/mshyperv.c | 1 + arch/arm64/include/asm/mshyperv.h | 2 +- arch/x86/entry/vdso/vma.c | 1 + arch/x86/hyperv/hv_apic.c | 2 +- arch/x86/hyperv/hv_init.c | 3 +- arch/x86/hyperv/hv_proc.c | 4 +- arch/x86/hyperv/hv_spinlock.c | 1 + arch/x86/hyperv/hv_vtl.c | 1 + arch/x86/hyperv/irqdomain.c | 1 + arch/x86/hyperv/ivm.c | 2 +- arch/x86/hyperv/mmu.c | 2 +- arch/x86/hyperv/nested.c | 2 +- arch/x86/include/asm/kvm_host.h | 1 - arch/x86/include/asm/mshyperv.h | 3 +- arch/x86/include/asm/svm.h | 2 +- arch/x86/include/asm/vdso/gettimeofday.h | 1 + arch/x86/kernel/cpu/mshyperv.c | 2 +- arch/x86/kernel/cpu/mtrr/generic.c | 1 + arch/x86/kvm/vmx/vmx_onhyperv.h | 1 - arch/x86/mm/pat/set_memory.c | 2 - drivers/clocksource/hyperv_timer.c | 2 +- drivers/hv/channel.c | 1 + drivers/hv/channel_mgmt.c | 1 + drivers/hv/connection.c | 1 + drivers/hv/hv.c | 1 + drivers/hv/hv_balloon.c | 5 +- drivers/hv/hv_common.c | 2 +- drivers/hv/hv_kvp.c | 1 - drivers/hv/hv_snapshot.c | 1 - drivers/hv/hv_util.c | 1 + drivers/hv/hyperv_vmbus.h | 1 - drivers/hv/ring_buffer.c | 1 + drivers/hv/vmbus_drv.c | 1 + drivers/iommu/hyperv-iommu.c | 1 + drivers/net/hyperv/netvsc.c | 1 + drivers/pci/controller/pci-hyperv.c | 1 + include/asm-generic/hyperv-tlfs.h | 9 + include/asm-generic/mshyperv.h | 2 +- include/clocksource/hyperv_timer.h | 2 +- include/hyperv/hv_defs.h | 29 + include/hyperv/hvgdk.h | 66 ++ include/hyperv/hvgdk_ext.h | 46 + include/hyperv/hvgdk_mini.h | 1212 ++++++++++++++++++++++ include/hyperv/hvhdk.h | 733 +++++++++++++ include/hyperv/hvhdk_mini.h | 310 ++++++ include/linux/hyperv.h | 12 +- net/vmw_vsock/hyperv_transport.c | 1 - 48 files changed, 2442 insertions(+), 40 deletions(-) create mode 100644 include/hyperv/hv_defs.h create mode 100644 include/hyperv/hvgdk.h create mode 100644 include/hyperv/hvgdk_ext.h create mode 100644 include/hyperv/hvgdk_mini.h create mode 100644 include/hyperv/hvhdk.h create mode 100644 include/hyperv/hvhdk_mini.h