From: Jason Gunthorpe <jgg@nvidia.com>
To: Joao Martins <joao.m.martins@oracle.com>
Cc: Nicolin Chen <nicolinc@nvidia.com>,
iommu@lists.linux.dev, Kevin Tian <kevin.tian@intel.com>,
Shameerali Kolothum Thodi <shameerali.kolothum.thodi@huawei.com>,
Lu Baolu <baolu.lu@linux.intel.com>, Yi Liu <yi.l.liu@intel.com>,
Yi Y Sun <yi.y.sun@intel.com>, Joerg Roedel <joro@8bytes.org>,
Suravee Suthikulpanit <suravee.suthikulpanit@amd.com>,
Will Deacon <will@kernel.org>,
Robin Murphy <robin.murphy@arm.com>,
Zhenzhong Duan <zhenzhong.duan@intel.com>,
Alex Williamson <alex.williamson@redhat.com>,
kvm@vger.kernel.org
Subject: Re: [PATCH v5 00/18] IOMMUFD Dirty Tracking
Date: Mon, 23 Oct 2023 10:24:51 -0300 [thread overview]
Message-ID: <20231023132451.GU3952@nvidia.com> (raw)
In-Reply-To: <f6f13ff9-ec92-4759-bd0a-9d17a87509cc@oracle.com>
On Mon, Oct 23, 2023 at 12:49:55PM +0100, Joao Martins wrote:
> diff --git a/tools/testing/selftests/iommu/iommufd_utils.h
> b/tools/testing/selftests/iommu/iommufd_utils.h
> index 390563ff7935..6bbcab7fd6ab 100644
> --- a/tools/testing/selftests/iommu/iommufd_utils.h
> +++ b/tools/testing/selftests/iommu/iommufd_utils.h
> @@ -9,8 +9,6 @@
> #include <sys/ioctl.h>
> #include <stdint.h>
> #include <assert.h>
> -#include <linux/bitmap.h>
> -#include <linux/bitops.h>
>
> #include "../kselftest_harness.h"
> #include "../../../../drivers/iommu/iommufd/iommufd_test.h"
> @@ -18,6 +16,24 @@
> /* Hack to make assertions more readable */
> #define _IOMMU_TEST_CMD(x) IOMMU_TEST_CMD
>
> +/* Imported from include/asm-generic/bitops/generic-non-atomic.h */
> +#define BITS_PER_BYTE 8
> +#define BITS_PER_LONG __BITS_PER_LONG
> +#define BIT_MASK(nr) (1UL << ((nr) % __BITS_PER_LONG))
> +#define BIT_WORD(nr) ((nr) / __BITS_PER_LONG)
> +
> +static inline void set_bit(unsigned int nr, unsigned long *addr)
> +{
> + unsigned long mask = BIT_MASK(nr);
> + unsigned long *p = ((unsigned long *)addr) + BIT_WORD(nr);
> +
> + *p |= mask;
> +}
> +
> +static inline bool test_bit(unsigned int nr, unsigned long *addr)
> +{
> + return 1UL & (addr[BIT_WORD(nr)] >> (nr & (BITS_PER_LONG-1)));
> +}
> +
> static void *buffer;
> static unsigned long BUFFER_SIZE;
This is probably the good option..
Jason
next prev parent reply other threads:[~2023-10-23 13:24 UTC|newest]
Thread overview: 50+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-10-20 22:27 [PATCH v5 00/18] IOMMUFD Dirty Tracking Joao Martins
2023-10-20 22:27 ` [PATCH v5 01/18] vfio/iova_bitmap: Export more API symbols Joao Martins
2023-10-20 22:27 ` [PATCH v5 02/18] vfio: Move iova_bitmap into iommufd Joao Martins
2023-10-20 22:27 ` [PATCH v5 03/18] iommufd/iova_bitmap: Move symbols to IOMMUFD namespace Joao Martins
2023-10-20 22:27 ` [PATCH v5 04/18] iommu: Add iommu_domain ops for dirty tracking Joao Martins
2023-10-20 22:27 ` [PATCH v5 05/18] iommufd: Add a flag to enforce dirty tracking on attach Joao Martins
2023-10-20 22:27 ` [PATCH v5 06/18] iommufd: Add IOMMU_HWPT_SET_DIRTY_TRACKING Joao Martins
2023-10-20 22:27 ` [PATCH v5 07/18] iommufd: Add IOMMU_HWPT_GET_DIRTY_BITMAP Joao Martins
2023-10-23 9:09 ` Arnd Bergmann
2023-10-23 9:28 ` Joao Martins
2023-10-23 12:10 ` Jason Gunthorpe
2023-10-23 12:41 ` Arnd Bergmann
2023-10-23 15:56 ` Joao Martins
2023-10-23 16:16 ` Jason Gunthorpe
2023-10-23 16:31 ` Joao Martins
2023-10-23 16:34 ` Jason Gunthorpe
2023-10-23 17:55 ` Joao Martins
2023-10-23 18:08 ` Jason Gunthorpe
2023-10-20 22:27 ` [PATCH v5 08/18] iommufd: Add capabilities to IOMMU_GET_HW_INFO Joao Martins
2023-10-20 22:27 ` [PATCH v5 09/18] iommufd: Add a flag to skip clearing of IOPTE dirty Joao Martins
2023-10-20 22:27 ` [PATCH v5 10/18] iommu/amd: Add domain_alloc_user based domain allocation Joao Martins
2023-10-20 22:27 ` [PATCH v5 11/18] iommu/amd: Access/Dirty bit support in IOPTEs Joao Martins
2023-10-20 22:27 ` [PATCH v5 12/18] iommu/intel: Access/Dirty bit support for SL domains Joao Martins
2023-10-24 12:34 ` Yi Liu
2023-10-24 12:42 ` Joao Martins
2023-10-24 12:52 ` Joao Martins
2023-10-24 13:51 ` Yi Liu
2023-10-20 22:27 ` [PATCH v5 13/18] iommufd/selftest: Expand mock_domain with dev_flags Joao Martins
2023-10-20 22:28 ` [PATCH v5 14/18] iommufd/selftest: Test IOMMU_HWPT_ALLOC_DIRTY_TRACKING Joao Martins
2023-10-20 22:28 ` [PATCH v5 15/18] iommufd/selftest: Test IOMMU_HWPT_SET_DIRTY_TRACKING Joao Martins
2023-10-20 22:28 ` [PATCH v5 16/18] iommufd/selftest: Test IOMMU_HWPT_GET_DIRTY_BITMAP Joao Martins
2023-10-23 20:08 ` Nicolin Chen
2023-10-23 20:15 ` Joao Martins
2023-10-23 20:37 ` Nicolin Chen
2023-10-23 20:50 ` Joao Martins
2023-10-23 21:46 ` Joao Martins
2023-10-23 21:56 ` Nicolin Chen
2023-10-20 22:28 ` [PATCH v5 17/18] iommufd/selftest: Test out_capabilities in IOMMU_GET_HW_INFO Joao Martins
2023-10-20 22:28 ` [PATCH v5 18/18] iommufd/selftest: Test IOMMU_HWPT_GET_DIRTY_BITMAP_NO_CLEAR flag Joao Martins
2023-10-21 16:23 ` [PATCH v5 00/18] IOMMUFD Dirty Tracking Jason Gunthorpe
2023-10-23 1:36 ` Nicolin Chen
2023-10-23 9:15 ` Joao Martins
2023-10-23 11:49 ` Joao Martins
2023-10-23 13:24 ` Jason Gunthorpe [this message]
2023-10-23 18:12 ` Nicolin Chen
2023-10-23 18:21 ` Joao Martins
2023-10-23 18:32 ` Nicolin Chen
2023-10-23 18:52 ` Joao Martins
2023-10-23 18:10 ` Nicolin Chen
2023-10-23 18:20 ` Joao Martins
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20231023132451.GU3952@nvidia.com \
--to=jgg@nvidia.com \
--cc=alex.williamson@redhat.com \
--cc=baolu.lu@linux.intel.com \
--cc=iommu@lists.linux.dev \
--cc=joao.m.martins@oracle.com \
--cc=joro@8bytes.org \
--cc=kevin.tian@intel.com \
--cc=kvm@vger.kernel.org \
--cc=nicolinc@nvidia.com \
--cc=robin.murphy@arm.com \
--cc=shameerali.kolothum.thodi@huawei.com \
--cc=suravee.suthikulpanit@amd.com \
--cc=will@kernel.org \
--cc=yi.l.liu@intel.com \
--cc=yi.y.sun@intel.com \
--cc=zhenzhong.duan@intel.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.