Displaying 7 results from an estimated 7 matches for "vas_siz".
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vas_size
2015 Mar 02
0
[PATCH] VMCI: Guard against overflow in queue pair allocation
...misc/vmw_vmci/vmci_queue_pair.c
@@ -295,12 +295,20 @@ static void *qp_alloc_queue(u64 size, u32 flags)
{
u64 i;
struct vmci_queue *queue;
- const size_t num_pages = DIV_ROUND_UP(size, PAGE_SIZE) + 1;
- const size_t pas_size = num_pages * sizeof(*queue->kernel_if->u.g.pas);
- const size_t vas_size = num_pages * sizeof(*queue->kernel_if->u.g.vas);
- const size_t queue_size =
- sizeof(*queue) + sizeof(*queue->kernel_if) +
- pas_size + vas_size;
+ size_t pas_size;
+ size_t vas_size;
+ size_t queue_size = sizeof(*queue) + sizeof(*queue->kernel_if);
+ const u64 num_pages = DIV_ROUN...
2015 Mar 02
0
[PATCH] VMCI: Guard against overflow in queue pair allocation
...misc/vmw_vmci/vmci_queue_pair.c
@@ -295,12 +295,20 @@ static void *qp_alloc_queue(u64 size, u32 flags)
{
u64 i;
struct vmci_queue *queue;
- const size_t num_pages = DIV_ROUND_UP(size, PAGE_SIZE) + 1;
- const size_t pas_size = num_pages * sizeof(*queue->kernel_if->u.g.pas);
- const size_t vas_size = num_pages * sizeof(*queue->kernel_if->u.g.vas);
- const size_t queue_size =
- sizeof(*queue) + sizeof(*queue->kernel_if) +
- pas_size + vas_size;
+ size_t pas_size;
+ size_t vas_size;
+ size_t queue_size = sizeof(*queue) + sizeof(*queue->kernel_if);
+ const u64 num_pages = DIV_ROUN...
2013 Aug 23
0
[PATCH 2/2] VMCI: Add support for virtual IOMMU
...*(queue->kernel_if)) +
- num_data_pages * sizeof(*(queue->kernel_if->page));
-
- q_header = vmalloc(queue_size);
- if (!q_header)
+ const size_t num_pages = DIV_ROUND_UP(size, PAGE_SIZE) + 1;
+ const size_t pas_size = num_pages * sizeof(*queue->kernel_if->u.g.pas);
+ const size_t vas_size = num_pages * sizeof(*queue->kernel_if->u.g.vas);
+ const size_t queue_size =
+ sizeof(*queue) + sizeof(*queue->kernel_if) +
+ pas_size + vas_size;
+
+ queue = vmalloc(queue_size);
+ if (!queue)
return NULL;
- queue = (void *)q_header + PAGE_SIZE;
- queue->q_header = q_header;
+...
2013 Aug 23
2
[PATCH 0/2] VMCI: Add support for virtual IOMMU
This patchset adds support for virtual IOMMU to the VMCI module. We switch to
DMA consistent mappings for queuepair and doorbell pages that are passed to the
device, which allows the module to work in the presence of vIOMMU/VT-d.
Andy King (2):
VMCI: Remove non-blocking/pinned queuepair support
VMCI: Add support for virtual IOMMU
drivers/misc/vmw_vmci/vmci_driver.c | 2 +-
2013 Aug 23
2
[PATCH 0/2] VMCI: Add support for virtual IOMMU
This patchset adds support for virtual IOMMU to the VMCI module. We switch to
DMA consistent mappings for queuepair and doorbell pages that are passed to the
device, which allows the module to work in the presence of vIOMMU/VT-d.
Andy King (2):
VMCI: Remove non-blocking/pinned queuepair support
VMCI: Add support for virtual IOMMU
drivers/misc/vmw_vmci/vmci_driver.c | 2 +-
2013 Aug 20
3
[PATCH 0/2] VMCI: Add support for virtual IOMMU
This patchset adds support for virtual IOMMU to the VMCI module. We switch to
DMA consistent mappings for queuepair and doorbell pages that are passed to the
device, which allows the module to work in the presence of vIOMMU/VT-d.
Andy King (2):
VMCI: Remove non-blocking/pinned queuepair support
VMCI: Add support for virtual IOMMU
drivers/misc/vmw_vmci/vmci_driver.c | 2 +-
2013 Aug 20
3
[PATCH 0/2] VMCI: Add support for virtual IOMMU
This patchset adds support for virtual IOMMU to the VMCI module. We switch to
DMA consistent mappings for queuepair and doorbell pages that are passed to the
device, which allows the module to work in the presence of vIOMMU/VT-d.
Andy King (2):
VMCI: Remove non-blocking/pinned queuepair support
VMCI: Add support for virtual IOMMU
drivers/misc/vmw_vmci/vmci_driver.c | 2 +-