[PATCH v2 1/2] gpudev: add GPU page_size to info

[eagostini]

From: Elena Agostini <eagost...@nvidia.com>

Page alignment on the GPU can be different from
the CPU page alignment.

Fixes: 9b8cae4d991e ("gpudev: use CPU mapping in communication list")
Signed-off-by: Elena Agostini <eagost...@nvidia.com>
---
 drivers/gpu/cuda/cuda.c | 4 ++++
 lib/gpudev/rte_gpudev.h | 2 ++
 2 files changed, 6 insertions(+)

diff --git a/drivers/gpu/cuda/cuda.c b/drivers/gpu/cuda/cuda.c
index cf9e59535c..8505d39d64 100644
--- a/drivers/gpu/cuda/cuda.c
+++ b/drivers/gpu/cuda/cuda.c
@@ -523,6 +523,8 @@ cuda_dev_info_get(struct rte_gpu *dev, struct rte_gpu_info 
*info)
                }
                dev->mpshared->info.total_memory = parent_info.total_memory;
 
+               dev->mpshared->info.page_size = parent_info.page_size;
+
                /*
                 * GPU Device private info
                 */
@@ -1173,6 +1175,8 @@ cuda_gpu_probe(__rte_unused struct rte_pci_driver 
*pci_drv, struct rte_pci_devic
                return -rte_errno;
        }
 
+       dev->mpshared->info.page_size = (size_t)GPU_PAGE_SIZE;
+
        /*
         * GPU Device private info
         */
diff --git a/lib/gpudev/rte_gpudev.h b/lib/gpudev/rte_gpudev.h
index 7e2401a4b7..971aeacfff 100644
--- a/lib/gpudev/rte_gpudev.h
+++ b/lib/gpudev/rte_gpudev.h
@@ -61,6 +61,8 @@ struct rte_gpu_info {
        size_t total_memory;
        /* Local NUMA memory ID. -1 if unknown. */
        int16_t numa_node;
+       /* Get GPU memory page size. */
+       size_t page_size;
 };
 
 /** Flags passed in notification callback. */
-- 
2.17.1