From: Alex Sierra <alex.sierra@amd.com> To: <jgg@nvidia.com> Cc: <david@redhat.com>, <Felix.Kuehling@amd.com>, <linux-mm@kvack.org>, <rcampbell@nvidia.com>, <linux-ext4@vger.kernel.org>, <linux-xfs@vger.kernel.org>, <amd-gfx@lists.freedesktop.org>, <dri-devel@lists.freedesktop.org>, <hch@lst.de>, <jglisse@redhat.com>, <apopple@nvidia.com>, <willy@infradead.org>, <akpm@linux-foundation.org> Subject: [PATCH v7 08/14] lib: test_hmm add ioctl to get zone device type Date: Tue, 28 Jun 2022 22:54:20 -0500 [thread overview] Message-ID: <20220629035426.20013-9-alex.sierra@amd.com> (raw) In-Reply-To: <20220629035426.20013-1-alex.sierra@amd.com> new ioctl cmd added to query zone device type. This will be used once the test_hmm adds zone device coherent type. Signed-off-by: Alex Sierra <alex.sierra@amd.com> Acked-by: Felix Kuehling <Felix.Kuehling@amd.com> Reviewed-by: Alistair Poppple <apopple@nvidia.com> Signed-off-by: Christoph Hellwig <hch@lst.de> --- lib/test_hmm.c | 11 +++++++++-- lib/test_hmm_uapi.h | 14 ++++++++++---- 2 files changed, 19 insertions(+), 6 deletions(-) diff --git a/lib/test_hmm.c b/lib/test_hmm.c index cfe632047839..915ef6b5b0d4 100644 --- a/lib/test_hmm.c +++ b/lib/test_hmm.c @@ -87,6 +87,7 @@ struct dmirror_chunk { struct dmirror_device { struct cdev cdevice; struct hmm_devmem *devmem; + unsigned int zone_device_type; unsigned int devmem_capacity; unsigned int devmem_count; @@ -1260,14 +1261,20 @@ static void dmirror_device_remove(struct dmirror_device *mdevice) static int __init hmm_dmirror_init(void) { int ret; - int id; + int id = 0; + int ndevices = 0; ret = alloc_chrdev_region(&dmirror_dev, 0, DMIRROR_NDEVICES, "HMM_DMIRROR"); if (ret) goto err_unreg; - for (id = 0; id < DMIRROR_NDEVICES; id++) { + memset(dmirror_devices, 0, DMIRROR_NDEVICES * sizeof(dmirror_devices[0])); + dmirror_devices[ndevices++].zone_device_type = + HMM_DMIRROR_MEMORY_DEVICE_PRIVATE; + dmirror_devices[ndevices++].zone_device_type = + HMM_DMIRROR_MEMORY_DEVICE_PRIVATE; + for (id = 0; id < ndevices; id++) { ret = dmirror_device_init(dmirror_devices + id, id); if (ret) goto err_chrdev; diff --git a/lib/test_hmm_uapi.h b/lib/test_hmm_uapi.h index f14dea5dcd06..0511af7464ee 100644 --- a/lib/test_hmm_uapi.h +++ b/lib/test_hmm_uapi.h @@ -31,10 +31,11 @@ struct hmm_dmirror_cmd { /* Expose the address space of the calling process through hmm device file */ #define HMM_DMIRROR_READ _IOWR('H', 0x00, struct hmm_dmirror_cmd) #define HMM_DMIRROR_WRITE _IOWR('H', 0x01, struct hmm_dmirror_cmd) -#define HMM_DMIRROR_MIGRATE _IOWR('H', 0x02, struct hmm_dmirror_cmd) -#define HMM_DMIRROR_SNAPSHOT _IOWR('H', 0x03, struct hmm_dmirror_cmd) -#define HMM_DMIRROR_EXCLUSIVE _IOWR('H', 0x04, struct hmm_dmirror_cmd) -#define HMM_DMIRROR_CHECK_EXCLUSIVE _IOWR('H', 0x05, struct hmm_dmirror_cmd) +#define HMM_DMIRROR_MIGRATE_TO_DEV _IOWR('H', 0x02, struct hmm_dmirror_cmd) +#define HMM_DMIRROR_MIGRATE_TO_SYS _IOWR('H', 0x03, struct hmm_dmirror_cmd) +#define HMM_DMIRROR_SNAPSHOT _IOWR('H', 0x04, struct hmm_dmirror_cmd) +#define HMM_DMIRROR_EXCLUSIVE _IOWR('H', 0x05, struct hmm_dmirror_cmd) +#define HMM_DMIRROR_CHECK_EXCLUSIVE _IOWR('H', 0x06, struct hmm_dmirror_cmd) /* * Values returned in hmm_dmirror_cmd.ptr for HMM_DMIRROR_SNAPSHOT. @@ -62,4 +63,9 @@ enum { HMM_DMIRROR_PROT_DEV_PRIVATE_REMOTE = 0x30, }; +enum { + /* 0 is reserved to catch uninitialized type fields */ + HMM_DMIRROR_MEMORY_DEVICE_PRIVATE = 1, +}; + #endif /* _LIB_TEST_HMM_UAPI_H */ -- 2.32.0
WARNING: multiple messages have this Message-ID (diff)
From: Alex Sierra <alex.sierra@amd.com> To: <jgg@nvidia.com> Cc: rcampbell@nvidia.com, willy@infradead.org, david@redhat.com, Felix.Kuehling@amd.com, apopple@nvidia.com, amd-gfx@lists.freedesktop.org, linux-xfs@vger.kernel.org, linux-mm@kvack.org, jglisse@redhat.com, dri-devel@lists.freedesktop.org, akpm@linux-foundation.org, linux-ext4@vger.kernel.org, hch@lst.de Subject: [PATCH v7 08/14] lib: test_hmm add ioctl to get zone device type Date: Tue, 28 Jun 2022 22:54:20 -0500 [thread overview] Message-ID: <20220629035426.20013-9-alex.sierra@amd.com> (raw) In-Reply-To: <20220629035426.20013-1-alex.sierra@amd.com> new ioctl cmd added to query zone device type. This will be used once the test_hmm adds zone device coherent type. Signed-off-by: Alex Sierra <alex.sierra@amd.com> Acked-by: Felix Kuehling <Felix.Kuehling@amd.com> Reviewed-by: Alistair Poppple <apopple@nvidia.com> Signed-off-by: Christoph Hellwig <hch@lst.de> --- lib/test_hmm.c | 11 +++++++++-- lib/test_hmm_uapi.h | 14 ++++++++++---- 2 files changed, 19 insertions(+), 6 deletions(-) diff --git a/lib/test_hmm.c b/lib/test_hmm.c index cfe632047839..915ef6b5b0d4 100644 --- a/lib/test_hmm.c +++ b/lib/test_hmm.c @@ -87,6 +87,7 @@ struct dmirror_chunk { struct dmirror_device { struct cdev cdevice; struct hmm_devmem *devmem; + unsigned int zone_device_type; unsigned int devmem_capacity; unsigned int devmem_count; @@ -1260,14 +1261,20 @@ static void dmirror_device_remove(struct dmirror_device *mdevice) static int __init hmm_dmirror_init(void) { int ret; - int id; + int id = 0; + int ndevices = 0; ret = alloc_chrdev_region(&dmirror_dev, 0, DMIRROR_NDEVICES, "HMM_DMIRROR"); if (ret) goto err_unreg; - for (id = 0; id < DMIRROR_NDEVICES; id++) { + memset(dmirror_devices, 0, DMIRROR_NDEVICES * sizeof(dmirror_devices[0])); + dmirror_devices[ndevices++].zone_device_type = + HMM_DMIRROR_MEMORY_DEVICE_PRIVATE; + dmirror_devices[ndevices++].zone_device_type = + HMM_DMIRROR_MEMORY_DEVICE_PRIVATE; + for (id = 0; id < ndevices; id++) { ret = dmirror_device_init(dmirror_devices + id, id); if (ret) goto err_chrdev; diff --git a/lib/test_hmm_uapi.h b/lib/test_hmm_uapi.h index f14dea5dcd06..0511af7464ee 100644 --- a/lib/test_hmm_uapi.h +++ b/lib/test_hmm_uapi.h @@ -31,10 +31,11 @@ struct hmm_dmirror_cmd { /* Expose the address space of the calling process through hmm device file */ #define HMM_DMIRROR_READ _IOWR('H', 0x00, struct hmm_dmirror_cmd) #define HMM_DMIRROR_WRITE _IOWR('H', 0x01, struct hmm_dmirror_cmd) -#define HMM_DMIRROR_MIGRATE _IOWR('H', 0x02, struct hmm_dmirror_cmd) -#define HMM_DMIRROR_SNAPSHOT _IOWR('H', 0x03, struct hmm_dmirror_cmd) -#define HMM_DMIRROR_EXCLUSIVE _IOWR('H', 0x04, struct hmm_dmirror_cmd) -#define HMM_DMIRROR_CHECK_EXCLUSIVE _IOWR('H', 0x05, struct hmm_dmirror_cmd) +#define HMM_DMIRROR_MIGRATE_TO_DEV _IOWR('H', 0x02, struct hmm_dmirror_cmd) +#define HMM_DMIRROR_MIGRATE_TO_SYS _IOWR('H', 0x03, struct hmm_dmirror_cmd) +#define HMM_DMIRROR_SNAPSHOT _IOWR('H', 0x04, struct hmm_dmirror_cmd) +#define HMM_DMIRROR_EXCLUSIVE _IOWR('H', 0x05, struct hmm_dmirror_cmd) +#define HMM_DMIRROR_CHECK_EXCLUSIVE _IOWR('H', 0x06, struct hmm_dmirror_cmd) /* * Values returned in hmm_dmirror_cmd.ptr for HMM_DMIRROR_SNAPSHOT. @@ -62,4 +63,9 @@ enum { HMM_DMIRROR_PROT_DEV_PRIVATE_REMOTE = 0x30, }; +enum { + /* 0 is reserved to catch uninitialized type fields */ + HMM_DMIRROR_MEMORY_DEVICE_PRIVATE = 1, +}; + #endif /* _LIB_TEST_HMM_UAPI_H */ -- 2.32.0
next prev parent reply other threads:[~2022-06-29 3:55 UTC|newest] Thread overview: 52+ messages / expand[flat|nested] mbox.gz Atom feed top 2022-06-29 3:54 [PATCH v7 00/14] Add MEMORY_DEVICE_COHERENT for coherent device memory mapping Alex Sierra 2022-06-29 3:54 ` Alex Sierra 2022-06-29 3:54 ` [PATCH v7 01/14] mm: rename is_pinnable_pages to is_pinnable_longterm_pages Alex Sierra 2022-06-29 3:54 ` Alex Sierra 2022-06-29 7:33 ` David Hildenbrand 2022-06-29 7:33 ` David Hildenbrand 2022-06-29 22:08 ` Felix Kuehling 2022-06-29 22:08 ` Felix Kuehling 2022-06-29 22:15 ` David Hildenbrand 2022-06-29 22:15 ` David Hildenbrand 2022-07-02 4:25 ` Andrew Morton 2022-07-02 4:25 ` Andrew Morton 2022-06-29 23:24 ` Andrew Morton 2022-06-29 23:24 ` Andrew Morton 2022-06-29 3:54 ` [PATCH v7 02/14] mm: add zone device coherent type memory support Alex Sierra 2022-06-29 3:54 ` Alex Sierra 2022-06-29 18:48 ` David Hildenbrand 2022-06-29 18:48 ` David Hildenbrand 2022-06-29 3:54 ` [PATCH v7 03/14] mm: handling Non-LRU pages returned by vm_normal_pages Alex Sierra 2022-06-29 3:54 ` Alex Sierra 2022-06-29 9:59 ` David Hildenbrand 2022-06-29 9:59 ` David Hildenbrand 2022-06-29 23:31 ` Andrew Morton 2022-06-29 23:31 ` Andrew Morton 2022-06-29 3:54 ` [PATCH v7 04/14] mm: add device coherent vma selection for memory migration Alex Sierra 2022-06-29 3:54 ` Alex Sierra 2022-06-30 10:04 ` David Hildenbrand 2022-06-30 10:04 ` David Hildenbrand 2022-06-30 11:44 ` Alistair Popple 2022-06-30 11:44 ` Alistair Popple 2022-06-30 20:56 ` David Hildenbrand 2022-06-30 20:56 ` David Hildenbrand 2022-06-29 3:54 ` [PATCH v7 05/14] mm: remove the vma check in migrate_vma_setup() Alex Sierra 2022-06-29 3:54 ` Alex Sierra 2022-06-29 3:54 ` [PATCH v7 06/14] mm/gup: migrate device coherent pages when pinning instead of failing Alex Sierra 2022-06-29 3:54 ` Alex Sierra 2022-06-29 3:54 ` [PATCH v7 07/14] drm/amdkfd: add SPM support for SVM Alex Sierra 2022-06-29 3:54 ` Alex Sierra 2022-06-29 3:54 ` Alex Sierra [this message] 2022-06-29 3:54 ` [PATCH v7 08/14] lib: test_hmm add ioctl to get zone device type Alex Sierra 2022-06-29 3:54 ` [PATCH v7 09/14] lib: test_hmm add module param for " Alex Sierra 2022-06-29 3:54 ` Alex Sierra 2022-06-29 3:54 ` [PATCH v7 10/14] lib: add support for device coherent type in test_hmm Alex Sierra 2022-06-29 3:54 ` Alex Sierra 2022-06-29 3:54 ` [PATCH v7 11/14] tools: update hmm-test to support device coherent type Alex Sierra 2022-06-29 3:54 ` Alex Sierra 2022-06-29 3:54 ` [PATCH v7 12/14] tools: update test_hmm script to support SP config Alex Sierra 2022-06-29 3:54 ` Alex Sierra 2022-06-29 3:54 ` [PATCH v7 13/14] tools: add hmm gup tests for device coherent type Alex Sierra 2022-06-29 3:54 ` Alex Sierra 2022-06-29 3:54 ` [PATCH v7 14/14] tools: add selftests to hmm for COW in device memory Alex Sierra 2022-06-29 3:54 ` Alex Sierra
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