From nobody Fri Dec 19 17:13:25 2025 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 3C78C1DA2F1; Wed, 4 Sep 2024 13:18:13 +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=1725455893; cv=none; b=oNJgPG/wVgy5sDyXGlWPYkhyZ1MU5G/ZqMKCmxSaKTj+ouJh/JZTwDati6VnBgnhDC4Ix5LccdGS5TkF+UUkviq7mfutO4FVMkQthTB5YOJXM6M6KeRv+W0OjrDc/0I0nOZsQNw/1I/3oNKC9MEKGJyWqjP8OymAC8APiF9yDU4= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1725455893; c=relaxed/simple; bh=yI/YdEzUxnbqQlsPHNM+E/+LIgmQwvyu/UUnjDxNwS8=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=JWTq+0J44oBV20/LwqNJwzwAcGmvEc1FfP0O3TykuQPmgsaMxKV/0UBxDp4Z/fdWRiqjYSPKd/RzwGVfiB0xJL/IT7xTv67kx6UokQelM+4ETxIntE10WoY0TSmTeqTYDyH8CPGaJvgPxt+mSgz9U9IAu9+8/xt23Rlylf3M8c8= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=spwhcUuS; 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="spwhcUuS" Received: by smtp.kernel.org (Postfix) with ESMTPS id EE828C4CECB; Wed, 4 Sep 2024 13:18:12 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1725455893; bh=yI/YdEzUxnbqQlsPHNM+E/+LIgmQwvyu/UUnjDxNwS8=; h=From:Date:Subject:References:In-Reply-To:To:Cc:Reply-To:From; b=spwhcUuSm7L1C7L9DHgC5yryjkJG6KKMLMPRSK19MTijkUF6TVYHcPwGxHe+IsenI lJ6C9BP694YPCQdWAD8IaBHmvts2wgHBhwzlEN1smBPZiRg2iunqh3JhmoWrMmHOzh frM9+c0jdJ1EWmNOIoaFG63h/CrSqw4oAWKkq9sdk8gSFCKkw8U2Ow+bR7hKAeuXuL kSBS+nyPZPtWzH1aH2aE6RPjdspCnK1yoPlbc6jNYDKk+wlK6ndEMFO4bvWyiiK+Wd aMBcJLDA91ylKggYCexr/OWuzDdwm4CA4gQGBYUYIOyuJo8rl5jOXKN/i/z+OrfYuV Q0+pV3rW3TxVQ== Received: from aws-us-west-2-korg-lkml-1.web.codeaurora.org (localhost.localdomain [127.0.0.1]) by smtp.lore.kernel.org (Postfix) with ESMTP id E55AFCD484A; Wed, 4 Sep 2024 13:18:12 +0000 (UTC) From: Joel Granados via B4 Relay Date: Wed, 04 Sep 2024 15:17:15 +0200 Subject: [PATCH 4/6] iommufd: Enable PRI when doing the iommufd_hwpt_alloc Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20240904-jag-iopfv8-v1-4-e3549920adf3@samsung.com> References: <20240904-jag-iopfv8-v1-0-e3549920adf3@samsung.com> In-Reply-To: <20240904-jag-iopfv8-v1-0-e3549920adf3@samsung.com> To: David Woodhouse , Lu Baolu , Joerg Roedel , Will Deacon , Robin Murphy , Jason Gunthorpe , Kevin Tian , Klaus Jensen Cc: linux-kernel@vger.kernel.org, iommu@lists.linux.dev, Joel Granados X-Mailer: b4 0.15-dev-00a43 X-Developer-Signature: v=1; a=openpgp-sha256; l=1694; i=j.granados@samsung.com; h=from:subject:message-id; bh=DxEbBmnkeSWlQ/5MEXCH0l7yNP6fyq/9U3DrRBtODeQ=; b=owJ4nAHtARL+kA0DAAoBupfNUreWQU8ByyZiAGbYXhHUVwfr9e9QLrNk/WkXeQbulJ6RSgyT2 TPZKG7vlQIWu4kBswQAAQoAHRYhBK5HCVcl5jElzssnkLqXzVK3lkFPBQJm2F4RAAoJELqXzVK3 lkFPyWwL/AmecYUT1fby4BgodpsNYKnXazKHpsIXy7YsDjNlU3xf/fcPN3vtCegwhCJsA+lwZ04 6tW13HMXpIYATphufyLRh9pT1Kjj8Pbo2TAbx98TBn1z3ZcJAxYjN9Tvw/SZ5iCuBzl46YaRbjl XcbwbRE118OhI4oRB/UlE0GPIpp0Svw/qLZybfzpz0vWr1i5kehIpMfii8p80+Uq/4cGnvxnRBh h4ATTe05nkRMIC7ERLuvHJ+7Rl9ZeyI1KyA4NlfUQVHuzDC64dvioyeBnqvDZYUbtDMvJTwBJZA 883CD6c+DsOf1fD+7Sep8lnNStsK5uEyVvQ3Y+8MITzkCosC7pODJegRaRrgtGzDH1FpiqqwdNl I6sxFj3YastLrz/YpnF4E7rimieSWRskEWrkXNmG/PcyRAbWeR2N7/K6wcIZf8RFAJLg6E/UUz7 Wck4ZyiwYZ3MOtRa6LznsKzQgUUBhZPE2hzLHz16dZoM3xHFJXTTctjVb773zTZ5nL3qZ41+OT7 lc= X-Developer-Key: i=j.granados@samsung.com; a=openpgp; fpr=F1F8E46D30F0F6C4A45FF4465895FAAC338C6E77 X-Endpoint-Received: by B4 Relay for j.granados@samsung.com/default with auth_id=70 X-Original-From: Joel Granados Reply-To: j.granados@samsung.com From: Joel Granados Add IOMMU_HWPT_FAULT_ID_VALID as part of the valid flags when doing an iommufd_hwpt_alloc allowing the use of an iommu fault allocation (iommu_fault_alloc) with the IOMMU_HWPT_ALLOC ioctl. Signed-off-by: Joel Granados --- drivers/iommu/intel/iommu.c | 3 ++- drivers/iommu/iommufd/hw_pagetable.c | 3 ++- 2 files changed, 4 insertions(+), 2 deletions(-) diff --git a/drivers/iommu/intel/iommu.c b/drivers/iommu/intel/iommu.c index 5acc52c62e8c..3d1c971eb9e5 100644 --- a/drivers/iommu/intel/iommu.c +++ b/drivers/iommu/intel/iommu.c @@ -3718,7 +3718,8 @@ intel_iommu_domain_alloc_user(struct device *dev, u32= flags, } =20 if (flags & - (~(IOMMU_HWPT_ALLOC_NEST_PARENT | IOMMU_HWPT_ALLOC_DIRTY_TRACKING))) + (~(IOMMU_HWPT_ALLOC_NEST_PARENT | IOMMU_HWPT_ALLOC_DIRTY_TRACKING + | IOMMU_HWPT_FAULT_ID_VALID))) return ERR_PTR(-EOPNOTSUPP); if (nested_parent && !nested_supported(iommu)) return ERR_PTR(-EOPNOTSUPP); diff --git a/drivers/iommu/iommufd/hw_pagetable.c b/drivers/iommu/iommufd/h= w_pagetable.c index aefde4443671..88074e459995 100644 --- a/drivers/iommu/iommufd/hw_pagetable.c +++ b/drivers/iommu/iommufd/hw_pagetable.c @@ -107,7 +107,8 @@ iommufd_hwpt_paging_alloc(struct iommufd_ctx *ictx, str= uct iommufd_ioas *ioas, const struct iommu_user_data *user_data) { const u32 valid_flags =3D IOMMU_HWPT_ALLOC_NEST_PARENT | - IOMMU_HWPT_ALLOC_DIRTY_TRACKING; + IOMMU_HWPT_ALLOC_DIRTY_TRACKING | + IOMMU_HWPT_FAULT_ID_VALID; const struct iommu_ops *ops =3D dev_iommu_ops(idev->dev); struct iommufd_hwpt_paging *hwpt_paging; struct iommufd_hw_pagetable *hwpt; --=20 2.43.0