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-rw-r--r--Documentation/ABI/testing/sysfs-bus-event_source-devices-hv_24x76
-rw-r--r--Documentation/ABI/testing/sysfs-bus-event_source-devices-hv_gpci12
-rw-r--r--Documentation/ABI/testing/sysfs-class-cxl129
3 files changed, 138 insertions, 9 deletions
diff --git a/Documentation/ABI/testing/sysfs-bus-event_source-devices-hv_24x7 b/Documentation/ABI/testing/sysfs-bus-event_source-devices-hv_24x7
index e78ee798d7bd..32f3f5f8bba2 100644
--- a/Documentation/ABI/testing/sysfs-bus-event_source-devices-hv_24x7
+++ b/Documentation/ABI/testing/sysfs-bus-event_source-devices-hv_24x7
@@ -1,6 +1,6 @@
What: /sys/bus/event_source/devices/hv_24x7/interface/catalog
Date: February 2014
-Contact: Cody P Schafer <cody@linux.vnet.ibm.com>
+Contact: Linux on PowerPC Developer List <linuxppc-dev@lists.ozlabs.org>
Description:
Provides access to the binary "24x7 catalog" provided by the
hypervisor on POWER7 and 8 systems. This catalog lists events
@@ -10,14 +10,14 @@ Description:
What: /sys/bus/event_source/devices/hv_24x7/interface/catalog_length
Date: February 2014
-Contact: Cody P Schafer <cody@linux.vnet.ibm.com>
+Contact: Linux on PowerPC Developer List <linuxppc-dev@lists.ozlabs.org>
Description:
A number equal to the length in bytes of the catalog. This is
also extractable from the provided binary "catalog" sysfs entry.
What: /sys/bus/event_source/devices/hv_24x7/interface/catalog_version
Date: February 2014
-Contact: Cody P Schafer <cody@linux.vnet.ibm.com>
+Contact: Linux on PowerPC Developer List <linuxppc-dev@lists.ozlabs.org>
Description:
Exposes the "version" field of the 24x7 catalog. This is also
extractable from the provided binary "catalog" sysfs entry.
diff --git a/Documentation/ABI/testing/sysfs-bus-event_source-devices-hv_gpci b/Documentation/ABI/testing/sysfs-bus-event_source-devices-hv_gpci
index 3fa58c23f13b..3ca4e554d2f9 100644
--- a/Documentation/ABI/testing/sysfs-bus-event_source-devices-hv_gpci
+++ b/Documentation/ABI/testing/sysfs-bus-event_source-devices-hv_gpci
@@ -1,6 +1,6 @@
What: /sys/bus/event_source/devices/hv_gpci/interface/collect_privileged
Date: February 2014
-Contact: Cody P Schafer <cody@linux.vnet.ibm.com>
+Contact: Linux on PowerPC Developer List <linuxppc-dev@lists.ozlabs.org>
Description:
'0' if the hypervisor is configured to forbid access to event
counters being accumulated by other guests and to physical
@@ -9,35 +9,35 @@ Description:
What: /sys/bus/event_source/devices/hv_gpci/interface/ga
Date: February 2014
-Contact: Cody P Schafer <cody@linux.vnet.ibm.com>
+Contact: Linux on PowerPC Developer List <linuxppc-dev@lists.ozlabs.org>
Description:
0 or 1. Indicates whether we have access to "GA" events (listed
in arch/powerpc/perf/hv-gpci.h).
What: /sys/bus/event_source/devices/hv_gpci/interface/expanded
Date: February 2014
-Contact: Cody P Schafer <cody@linux.vnet.ibm.com>
+Contact: Linux on PowerPC Developer List <linuxppc-dev@lists.ozlabs.org>
Description:
0 or 1. Indicates whether we have access to "EXPANDED" events (listed
in arch/powerpc/perf/hv-gpci.h).
What: /sys/bus/event_source/devices/hv_gpci/interface/lab
Date: February 2014
-Contact: Cody P Schafer <cody@linux.vnet.ibm.com>
+Contact: Linux on PowerPC Developer List <linuxppc-dev@lists.ozlabs.org>
Description:
0 or 1. Indicates whether we have access to "LAB" events (listed
in arch/powerpc/perf/hv-gpci.h).
What: /sys/bus/event_source/devices/hv_gpci/interface/version
Date: February 2014
-Contact: Cody P Schafer <cody@linux.vnet.ibm.com>
+Contact: Linux on PowerPC Developer List <linuxppc-dev@lists.ozlabs.org>
Description:
A number indicating the version of the gpci interface that the
hypervisor reports supporting.
What: /sys/bus/event_source/devices/hv_gpci/interface/kernel_version
Date: February 2014
-Contact: Cody P Schafer <cody@linux.vnet.ibm.com>
+Contact: Linux on PowerPC Developer List <linuxppc-dev@lists.ozlabs.org>
Description:
A number indicating the latest version of the gpci interface
that the kernel is aware of.
diff --git a/Documentation/ABI/testing/sysfs-class-cxl b/Documentation/ABI/testing/sysfs-class-cxl
new file mode 100644
index 000000000000..554405ec1955
--- /dev/null
+++ b/Documentation/ABI/testing/sysfs-class-cxl
@@ -0,0 +1,129 @@
+Slave contexts (eg. /sys/class/cxl/afu0.0s):
+
+What: /sys/class/cxl/<afu>/irqs_max
+Date: September 2014
+Contact: linuxppc-dev@lists.ozlabs.org
+Description: read/write
+ Decimal value of maximum number of interrupts that can be
+ requested by userspace. The default on probe is the maximum
+ that hardware can support (eg. 2037). Write values will limit
+ userspace applications to that many userspace interrupts. Must
+ be >= irqs_min.
+
+What: /sys/class/cxl/<afu>/irqs_min
+Date: September 2014
+Contact: linuxppc-dev@lists.ozlabs.org
+Description: read only
+ Decimal value of the minimum number of interrupts that
+ userspace must request on a CXL_START_WORK ioctl. Userspace may
+ omit the num_interrupts field in the START_WORK IOCTL to get
+ this minimum automatically.
+
+What: /sys/class/cxl/<afu>/mmio_size
+Date: September 2014
+Contact: linuxppc-dev@lists.ozlabs.org
+Description: read only
+ Decimal value of the size of the MMIO space that may be mmaped
+ by userspace.
+
+What: /sys/class/cxl/<afu>/modes_supported
+Date: September 2014
+Contact: linuxppc-dev@lists.ozlabs.org
+Description: read only
+ List of the modes this AFU supports. One per line.
+ Valid entries are: "dedicated_process" and "afu_directed"
+
+What: /sys/class/cxl/<afu>/mode
+Date: September 2014
+Contact: linuxppc-dev@lists.ozlabs.org
+Description: read/write
+ The current mode the AFU is using. Will be one of the modes
+ given in modes_supported. Writing will change the mode
+ provided that no user contexts are attached.
+
+
+What: /sys/class/cxl/<afu>/prefault_mode
+Date: September 2014
+Contact: linuxppc-dev@lists.ozlabs.org
+Description: read/write
+ Set the mode for prefaulting in segments into the segment table
+ when performing the START_WORK ioctl. Possible values:
+ none: No prefaulting (default)
+ work_element_descriptor: Treat the work element
+ descriptor as an effective address and
+ prefault what it points to.
+ all: all segments process calling START_WORK maps.
+
+What: /sys/class/cxl/<afu>/reset
+Date: September 2014
+Contact: linuxppc-dev@lists.ozlabs.org
+Description: write only
+ Writing 1 here will reset the AFU provided there are not
+ contexts active on the AFU.
+
+What: /sys/class/cxl/<afu>/api_version
+Date: September 2014
+Contact: linuxppc-dev@lists.ozlabs.org
+Description: read only
+ Decimal value of the current version of the kernel/user API.
+
+What: /sys/class/cxl/<afu>/api_version_com
+Date: September 2014
+Contact: linuxppc-dev@lists.ozlabs.org
+Description: read only
+ Decimal value of the the lowest version of the userspace API
+ this this kernel supports.
+
+
+
+Master contexts (eg. /sys/class/cxl/afu0.0m)
+
+What: /sys/class/cxl/<afu>m/mmio_size
+Date: September 2014
+Contact: linuxppc-dev@lists.ozlabs.org
+Description: read only
+ Decimal value of the size of the MMIO space that may be mmaped
+ by userspace. This includes all slave contexts space also.
+
+What: /sys/class/cxl/<afu>m/pp_mmio_len
+Date: September 2014
+Contact: linuxppc-dev@lists.ozlabs.org
+Description: read only
+ Decimal value of the Per Process MMIO space length.
+
+What: /sys/class/cxl/<afu>m/pp_mmio_off
+Date: September 2014
+Contact: linuxppc-dev@lists.ozlabs.org
+Description: read only
+ Decimal value of the Per Process MMIO space offset.
+
+
+Card info (eg. /sys/class/cxl/card0)
+
+What: /sys/class/cxl/<card>/caia_version
+Date: September 2014
+Contact: linuxppc-dev@lists.ozlabs.org
+Description: read only
+ Identifies the CAIA Version the card implements.
+
+What: /sys/class/cxl/<card>/psl_version
+Date: September 2014
+Contact: linuxppc-dev@lists.ozlabs.org
+Description: read only
+ Identifies the revision level of the PSL.
+
+What: /sys/class/cxl/<card>/base_image
+Date: September 2014
+Contact: linuxppc-dev@lists.ozlabs.org
+Description: read only
+ Identifies the revision level of the base image for devices
+ that support loadable PSLs. For FPGAs this field identifies
+ the image contained in the on-adapter flash which is loaded
+ during the initial program load.
+
+What: /sys/class/cxl/<card>/image_loaded
+Date: September 2014
+Contact: linuxppc-dev@lists.ozlabs.org
+Description: read only
+ Will return "user" or "factory" depending on the image loaded
+ onto the card.