xref: /OK3568_Linux_fs/kernel/Documentation/ABI/testing/sysfs-class-ocxl (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593SmuzhiyunWhat:		/sys/class/ocxl/<afu name>/afu_version
2*4882a593SmuzhiyunDate:		January 2018
3*4882a593SmuzhiyunContact:	linuxppc-dev@lists.ozlabs.org
4*4882a593SmuzhiyunDescription:	read only
5*4882a593Smuzhiyun		Version of the AFU, in the format <major>:<minor>
6*4882a593Smuzhiyun		Reflects what is read in the configuration space of the AFU
7*4882a593Smuzhiyun
8*4882a593SmuzhiyunWhat:		/sys/class/ocxl/<afu name>/contexts
9*4882a593SmuzhiyunDate:		January 2018
10*4882a593SmuzhiyunContact:	linuxppc-dev@lists.ozlabs.org
11*4882a593SmuzhiyunDescription:	read only
12*4882a593Smuzhiyun		Number of contexts for the AFU, in the format <n>/<max>
13*4882a593Smuzhiyun		where:
14*4882a593Smuzhiyun
15*4882a593Smuzhiyun			====	===============================================
16*4882a593Smuzhiyun			n	number of currently active contexts, for debug
17*4882a593Smuzhiyun			max	maximum number of contexts supported by the AFU
18*4882a593Smuzhiyun			====	===============================================
19*4882a593Smuzhiyun
20*4882a593SmuzhiyunWhat:		/sys/class/ocxl/<afu name>/pp_mmio_size
21*4882a593SmuzhiyunDate:		January 2018
22*4882a593SmuzhiyunContact:	linuxppc-dev@lists.ozlabs.org
23*4882a593SmuzhiyunDescription:	read only
24*4882a593Smuzhiyun		Size of the per-process mmio area, as defined in the
25*4882a593Smuzhiyun		configuration space of the AFU
26*4882a593Smuzhiyun
27*4882a593SmuzhiyunWhat:		/sys/class/ocxl/<afu name>/global_mmio_size
28*4882a593SmuzhiyunDate:		January 2018
29*4882a593SmuzhiyunContact:	linuxppc-dev@lists.ozlabs.org
30*4882a593SmuzhiyunDescription:	read only
31*4882a593Smuzhiyun		Size of the global mmio area, as defined in the
32*4882a593Smuzhiyun		configuration space of the AFU
33*4882a593Smuzhiyun
34*4882a593SmuzhiyunWhat:		/sys/class/ocxl/<afu name>/global_mmio_area
35*4882a593SmuzhiyunDate:		January 2018
36*4882a593SmuzhiyunContact:	linuxppc-dev@lists.ozlabs.org
37*4882a593SmuzhiyunDescription:	read/write
38*4882a593Smuzhiyun		Give access the global mmio area for the AFU
39*4882a593Smuzhiyun
40*4882a593SmuzhiyunWhat:		/sys/class/ocxl/<afu name>/reload_on_reset
41*4882a593SmuzhiyunDate:		February 2020
42*4882a593SmuzhiyunContact:	linuxppc-dev@lists.ozlabs.org
43*4882a593SmuzhiyunDescription:	read/write
44*4882a593Smuzhiyun		Control whether the FPGA is reloaded on a link reset. Enabled
45*4882a593Smuzhiyun		through a vendor-specific logic block on the FPGA.
46*4882a593Smuzhiyun
47*4882a593Smuzhiyun			===========  ===========================================
48*4882a593Smuzhiyun			0	     Do not reload FPGA image from flash
49*4882a593Smuzhiyun			1	     Reload FPGA image from flash
50*4882a593Smuzhiyun			unavailable  The device does not support this capability
51*4882a593Smuzhiyun			===========  ===========================================
52