From: Alex Sierra <alex.sierra@amd.com> To: <akpm@linux-foundation.org>, <Felix.Kuehling@amd.com>, <linux-mm@kvack.org>, <rcampbell@nvidia.com>, <linux-ext4@vger.kernel.org>, <linux-xfs@vger.kernel.org> Cc: <amd-gfx@lists.freedesktop.org>, <dri-devel@lists.freedesktop.org>, <hch@lst.de>, <jgg@nvidia.com>, <jglisse@redhat.com>, <apopple@nvidia.com>, <willy@infradead.org> Subject: [PATCH v2 06/11] lib: test_hmm add ioctl to get zone device type Date: Mon, 6 Dec 2021 12:52:46 -0600 [thread overview] Message-ID: <20211206185251.20646-7-alex.sierra@amd.com> (raw) In-Reply-To: <20211206185251.20646-1-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> --- lib/test_hmm.c | 14 ++++++++++++++ lib/test_hmm_uapi.h | 8 ++++++++ 2 files changed, 22 insertions(+) diff --git a/lib/test_hmm.c b/lib/test_hmm.c index c259842f6d44..97e48164d56a 100644 --- a/lib/test_hmm.c +++ b/lib/test_hmm.c @@ -84,6 +84,7 @@ 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; @@ -470,6 +471,7 @@ static bool dmirror_allocate_chunk(struct dmirror_device *mdevice, if (IS_ERR(res)) goto err_devmem; + mdevice->zone_device_type = HMM_DMIRROR_MEMORY_DEVICE_PRIVATE; devmem->pagemap.type = MEMORY_DEVICE_PRIVATE; devmem->pagemap.range.start = res->start; devmem->pagemap.range.end = res->end; @@ -1025,6 +1027,15 @@ static int dmirror_snapshot(struct dmirror *dmirror, return ret; } +static int dmirror_get_device_type(struct dmirror *dmirror, + struct hmm_dmirror_cmd *cmd) +{ + mutex_lock(&dmirror->mutex); + cmd->zone_device_type = dmirror->mdevice->zone_device_type; + mutex_unlock(&dmirror->mutex); + + return 0; +} static long dmirror_fops_unlocked_ioctl(struct file *filp, unsigned int command, unsigned long arg) @@ -1075,6 +1086,9 @@ static long dmirror_fops_unlocked_ioctl(struct file *filp, ret = dmirror_snapshot(dmirror, &cmd); break; + case HMM_DMIRROR_GET_MEM_DEV_TYPE: + ret = dmirror_get_device_type(dmirror, &cmd); + break; default: return -EINVAL; } diff --git a/lib/test_hmm_uapi.h b/lib/test_hmm_uapi.h index f14dea5dcd06..17f842f1aa02 100644 --- a/lib/test_hmm_uapi.h +++ b/lib/test_hmm_uapi.h @@ -19,6 +19,7 @@ * @npages: (in) number of pages to read/write * @cpages: (out) number of pages copied * @faults: (out) number of device page faults seen + * @zone_device_type: (out) zone device memory type */ struct hmm_dmirror_cmd { __u64 addr; @@ -26,6 +27,7 @@ struct hmm_dmirror_cmd { __u64 npages; __u64 cpages; __u64 faults; + __u64 zone_device_type; }; /* Expose the address space of the calling process through hmm device file */ @@ -35,6 +37,7 @@ 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_GET_MEM_DEV_TYPE _IOWR('H', 0x06, struct hmm_dmirror_cmd) /* * Values returned in hmm_dmirror_cmd.ptr for HMM_DMIRROR_SNAPSHOT. @@ -62,4 +65,9 @@ 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: <akpm@linux-foundation.org>, <Felix.Kuehling@amd.com>, <linux-mm@kvack.org>, <rcampbell@nvidia.com>, <linux-ext4@vger.kernel.org>, <linux-xfs@vger.kernel.org> Cc: willy@infradead.org, apopple@nvidia.com, dri-devel@lists.freedesktop.org, jglisse@redhat.com, amd-gfx@lists.freedesktop.org, jgg@nvidia.com, hch@lst.de Subject: [PATCH v2 06/11] lib: test_hmm add ioctl to get zone device type Date: Mon, 6 Dec 2021 12:52:46 -0600 [thread overview] Message-ID: <20211206185251.20646-7-alex.sierra@amd.com> (raw) In-Reply-To: <20211206185251.20646-1-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> --- lib/test_hmm.c | 14 ++++++++++++++ lib/test_hmm_uapi.h | 8 ++++++++ 2 files changed, 22 insertions(+) diff --git a/lib/test_hmm.c b/lib/test_hmm.c index c259842f6d44..97e48164d56a 100644 --- a/lib/test_hmm.c +++ b/lib/test_hmm.c @@ -84,6 +84,7 @@ 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; @@ -470,6 +471,7 @@ static bool dmirror_allocate_chunk(struct dmirror_device *mdevice, if (IS_ERR(res)) goto err_devmem; + mdevice->zone_device_type = HMM_DMIRROR_MEMORY_DEVICE_PRIVATE; devmem->pagemap.type = MEMORY_DEVICE_PRIVATE; devmem->pagemap.range.start = res->start; devmem->pagemap.range.end = res->end; @@ -1025,6 +1027,15 @@ static int dmirror_snapshot(struct dmirror *dmirror, return ret; } +static int dmirror_get_device_type(struct dmirror *dmirror, + struct hmm_dmirror_cmd *cmd) +{ + mutex_lock(&dmirror->mutex); + cmd->zone_device_type = dmirror->mdevice->zone_device_type; + mutex_unlock(&dmirror->mutex); + + return 0; +} static long dmirror_fops_unlocked_ioctl(struct file *filp, unsigned int command, unsigned long arg) @@ -1075,6 +1086,9 @@ static long dmirror_fops_unlocked_ioctl(struct file *filp, ret = dmirror_snapshot(dmirror, &cmd); break; + case HMM_DMIRROR_GET_MEM_DEV_TYPE: + ret = dmirror_get_device_type(dmirror, &cmd); + break; default: return -EINVAL; } diff --git a/lib/test_hmm_uapi.h b/lib/test_hmm_uapi.h index f14dea5dcd06..17f842f1aa02 100644 --- a/lib/test_hmm_uapi.h +++ b/lib/test_hmm_uapi.h @@ -19,6 +19,7 @@ * @npages: (in) number of pages to read/write * @cpages: (out) number of pages copied * @faults: (out) number of device page faults seen + * @zone_device_type: (out) zone device memory type */ struct hmm_dmirror_cmd { __u64 addr; @@ -26,6 +27,7 @@ struct hmm_dmirror_cmd { __u64 npages; __u64 cpages; __u64 faults; + __u64 zone_device_type; }; /* Expose the address space of the calling process through hmm device file */ @@ -35,6 +37,7 @@ 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_GET_MEM_DEV_TYPE _IOWR('H', 0x06, struct hmm_dmirror_cmd) /* * Values returned in hmm_dmirror_cmd.ptr for HMM_DMIRROR_SNAPSHOT. @@ -62,4 +65,9 @@ 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:[~2021-12-06 18:53 UTC|newest] Thread overview: 52+ messages / expand[flat|nested] mbox.gz Atom feed top 2021-12-06 18:52 [PATCH v2 00/11] Add MEMORY_DEVICE_COHERENT for coherent device memory mapping Alex Sierra 2021-12-06 18:52 ` Alex Sierra 2021-12-06 18:52 ` [PATCH v2 01/11] mm: add zone device coherent type memory support Alex Sierra 2021-12-06 18:52 ` Alex Sierra 2021-12-06 18:52 ` [PATCH v2 02/11] mm: add device coherent vma selection for memory migration Alex Sierra 2021-12-06 18:52 ` Alex Sierra 2021-12-06 18:52 ` [PATCH v2 03/11] mm/gup: migrate PIN_LONGTERM dev coherent pages to system Alex Sierra 2021-12-06 18:52 ` Alex Sierra 2021-12-08 11:31 ` Alistair Popple 2021-12-08 11:31 ` Alistair Popple 2021-12-08 13:53 ` Jason Gunthorpe 2021-12-08 13:53 ` Jason Gunthorpe 2021-12-09 1:45 ` Alistair Popple 2021-12-09 1:45 ` Alistair Popple 2021-12-09 2:53 ` Jason Gunthorpe 2021-12-09 2:53 ` Jason Gunthorpe 2021-12-08 16:58 ` Felix Kuehling 2021-12-08 16:58 ` Felix Kuehling 2021-12-08 17:30 ` Felix Kuehling 2021-12-08 17:30 ` Felix Kuehling 2021-12-08 18:55 ` Sierra Guiza, Alejandro (Alex) 2021-12-08 18:55 ` Sierra Guiza, Alejandro (Alex) 2021-12-09 10:53 ` Alistair Popple 2021-12-09 10:53 ` Alistair Popple 2021-12-09 16:29 ` Felix Kuehling 2021-12-09 16:29 ` Felix Kuehling 2021-12-09 16:54 ` Sierra Guiza, Alejandro (Alex) 2021-12-09 16:54 ` Sierra Guiza, Alejandro (Alex) 2021-12-10 1:31 ` Alistair Popple 2021-12-10 1:31 ` Alistair Popple 2021-12-10 16:39 ` Felix Kuehling 2021-12-10 16:39 ` Felix Kuehling 2021-12-06 18:52 ` [PATCH v2 04/11] drm/amdkfd: add SPM support for SVM Alex Sierra 2021-12-06 18:52 ` Alex Sierra 2021-12-06 18:52 ` [PATCH v2 05/11] drm/amdkfd: coherent type as sys mem on migration to ram Alex Sierra 2021-12-06 18:52 ` Alex Sierra 2021-12-06 18:52 ` Alex Sierra [this message] 2021-12-06 18:52 ` [PATCH v2 06/11] lib: test_hmm add ioctl to get zone device type Alex Sierra 2021-12-06 18:52 ` [PATCH v2 07/11] lib: test_hmm add module param for " Alex Sierra 2021-12-06 18:52 ` Alex Sierra 2021-12-06 18:52 ` [PATCH v2 08/11] lib: add support for device coherent type in test_hmm Alex Sierra 2021-12-06 18:52 ` Alex Sierra 2022-01-03 20:24 ` Liam Howlett 2022-01-03 20:24 ` Liam Howlett 2021-12-06 18:52 ` [PATCH v2 09/11] tools: update hmm-test to support device coherent type Alex Sierra 2021-12-06 18:52 ` Alex Sierra 2021-12-06 18:52 ` [PATCH v2 10/11] tools: update test_hmm script to support SP config Alex Sierra 2021-12-06 18:52 ` Alex Sierra 2021-12-06 18:52 ` [PATCH v2 11/11] tools: add hmm gup test for long term pinned device pages Alex Sierra 2021-12-06 18:52 ` Alex Sierra 2021-12-07 19:31 ` Jason Gunthorpe 2021-12-07 19:31 ` Jason Gunthorpe
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