From: Ohad Sharabi Date: Wed, 23 Feb 2022 09:47:05 +0000 (+0200) Subject: habanalabs: add DRAM default page size to HW info X-Git-Tag: v5.19-rc1~45^2~53 X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=1359fcbe0f4aa2cd6ea684727a5a111eebeeed3a;p=users%2Fdwmw2%2Flinux.git habanalabs: add DRAM default page size to HW info When using the device memory allocation API the user ought to know what is the default allocation page size. Signed-off-by: Ohad Sharabi Reviewed-by: Oded Gabbay Signed-off-by: Oded Gabbay Signed-off-by: Greg Kroah-Hartman --- diff --git a/drivers/misc/habanalabs/common/habanalabs_ioctl.c b/drivers/misc/habanalabs/common/habanalabs_ioctl.c index c13a3c2a7013f..14c58579b9cd5 100644 --- a/drivers/misc/habanalabs/common/habanalabs_ioctl.c +++ b/drivers/misc/habanalabs/common/habanalabs_ioctl.c @@ -76,6 +76,7 @@ static int hw_ip_info(struct hl_device *hdev, struct hl_info_args *args) if (hw_ip.dram_size > PAGE_SIZE) hw_ip.dram_enabled = 1; hw_ip.dram_page_size = prop->dram_page_size; + hw_ip.device_mem_alloc_default_page_size = prop->device_mem_alloc_default_page_size; hw_ip.num_of_events = prop->num_of_events; memcpy(hw_ip.cpucp_version, prop->cpucp_info.cpucp_version, diff --git a/include/uapi/misc/habanalabs.h b/include/uapi/misc/habanalabs.h index 1d6b4f0c41594..ae2441521467c 100644 --- a/include/uapi/misc/habanalabs.h +++ b/include/uapi/misc/habanalabs.h @@ -409,6 +409,7 @@ enum hl_server_type { * @dram_page_size: The DRAM physical page size. * @number_of_user_interrupts: The number of interrupts that are available to the userspace * application to use. Relevant for Gaudi2 and later. + * @device_mem_alloc_default_page_size: default page size used in device memory allocation. */ struct hl_info_hw_ip_info { __u64 sram_base_address; @@ -436,6 +437,8 @@ struct hl_info_hw_ip_info { __u32 reserved3; __u16 number_of_user_interrupts; __u16 pad2; + __u64 reserved4; + __u64 device_mem_alloc_default_page_size; }; struct hl_info_dram_usage {