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| author | Wu Hao <hao.wu@intel.com> | 2019-08-04 18:20:20 +0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2019-08-05 18:03:20 +0200 |
| commit | 52eb6d31a1c2e85a3eaf08ab599c9ad58c890c28 (patch) | |
| tree | abd8ffe50dd540c48f563bed5e734ed5c30797b2 /Documentation/ABI | |
| parent | 3c51ff772278d291117dae9cad09ddef07e0d504 (diff) | |
| download | linux-52eb6d31a1c2e85a3eaf08ab599c9ad58c890c28.tar.bz2 | |
fpga: dfl: fme: add capability sysfs interfaces
This patch adds 3 read-only sysfs interfaces for FPGA Management Engine
(FME) block for capabilities including cache_size, fabric_version and
socket_id.
Signed-off-by: Luwei Kang <luwei.kang@intel.com>
Signed-off-by: Xu Yilun <yilun.xu@intel.com>
Signed-off-by: Wu Hao <hao.wu@intel.com>
Acked-by: Alan Tull <atull@kernel.org>
Signed-off-by: Moritz Fischer <mdf@kernel.org>
Link: https://lore.kernel.org/r/1564914022-3710-11-git-send-email-hao.wu@intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'Documentation/ABI')
| -rw-r--r-- | Documentation/ABI/testing/sysfs-platform-dfl-fme | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/Documentation/ABI/testing/sysfs-platform-dfl-fme b/Documentation/ABI/testing/sysfs-platform-dfl-fme index 8fa4febfa4b2..65372aae4a7e 100644 --- a/Documentation/ABI/testing/sysfs-platform-dfl-fme +++ b/Documentation/ABI/testing/sysfs-platform-dfl-fme @@ -21,3 +21,26 @@ Contact: Wu Hao <hao.wu@intel.com> Description: Read-only. It returns Bitstream (static FPGA region) meta data, which includes the synthesis date, seed and other information of this static FPGA region. + +What: /sys/bus/platform/devices/dfl-fme.0/cache_size +Date: August 2019 +KernelVersion: 5.4 +Contact: Wu Hao <hao.wu@intel.com> +Description: Read-only. It returns cache size of this FPGA device. + +What: /sys/bus/platform/devices/dfl-fme.0/fabric_version +Date: August 2019 +KernelVersion: 5.4 +Contact: Wu Hao <hao.wu@intel.com> +Description: Read-only. It returns fabric version of this FPGA device. + Userspace applications need this information to select + best data channels per different fabric design. + +What: /sys/bus/platform/devices/dfl-fme.0/socket_id +Date: August 2019 +KernelVersion: 5.4 +Contact: Wu Hao <hao.wu@intel.com> +Description: Read-only. It returns socket_id to indicate which socket + this FPGA belongs to, only valid for integrated solution. + User only needs this information, in case standard numa node + can't provide correct information. |