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authorMauro Carvalho Chehab <mchehab@s-opensource.com>2017-07-17 11:17:36 -0300
committerMauro Carvalho Chehab <mchehab@s-opensource.com>2017-07-17 11:17:36 -0300
commita3db9d60a118571e696b684a6e8c692a2b064941 (patch)
treeff7bae0f79b7a2ee0bce03de4f883550200c52a9 /Documentation/dcdbas.txt
parentmedia: staging: cxd2099: Activate cxd2099 buffer mode (diff)
parentLinux v4.13-rc1 (diff)
downloadlinux-dev-a3db9d60a118571e696b684a6e8c692a2b064941.tar.xz
linux-dev-a3db9d60a118571e696b684a6e8c692a2b064941.zip
Merge tag 'v4.13-rc1' into patchwork
Linux v4.13-rc1 * tag 'v4.13-rc1': (11136 commits) Linux v4.13-rc1 random: reorder READ_ONCE() in get_random_uXX random: suppress spammy warnings about unseeded randomness replace incorrect strscpy use in FORTIFY_SOURCE kmod: throttle kmod thread limit kmod: add test driver to stress test the module loader MAINTAINERS: give kmod some maintainer love xtensa: use generic fb.h fault-inject: add /proc/<pid>/fail-nth fault-inject: simplify access check for fail-nth fault-inject: make fail-nth read/write interface symmetric fault-inject: parse as natural 1-based value for fail-nth write interface fault-inject: automatically detect the number base for fail-nth write interface kernel/watchdog.c: use better pr_fmt prefix MAINTAINERS: move the befs tree to kernel.org lib/atomic64_test.c: add a test that atomic64_inc_not_zero() returns an int mm: fix overflow check in expand_upwards() ubifs: Set double hash cookie also for RENAME_EXCHANGE ubifs: Massage assert in ubifs_xattr_set() wrt. init_xattrs ubifs: Don't leak kernel memory to the MTD ...
Diffstat (limited to 'Documentation/dcdbas.txt')
-rw-r--r--Documentation/dcdbas.txt24
1 files changed, 16 insertions, 8 deletions
diff --git a/Documentation/dcdbas.txt b/Documentation/dcdbas.txt
index e1c52e2dc361..309cc57a7c1c 100644
--- a/Documentation/dcdbas.txt
+++ b/Documentation/dcdbas.txt
@@ -1,4 +1,9 @@
+===================================
+Dell Systems Management Base Driver
+===================================
+
Overview
+========
The Dell Systems Management Base Driver provides a sysfs interface for
systems management software such as Dell OpenManage to perform system
@@ -17,6 +22,7 @@ more information about the libsmbios project.
System Management Interrupt
+===========================
On some Dell systems, systems management software must access certain
management information via a system management interrupt (SMI). The SMI data
@@ -24,12 +30,12 @@ buffer must reside in 32-bit address space, and the physical address of the
buffer is required for the SMI. The driver maintains the memory required for
the SMI and provides a way for the application to generate the SMI.
The driver creates the following sysfs entries for systems management
-software to perform these system management interrupts:
+software to perform these system management interrupts::
-/sys/devices/platform/dcdbas/smi_data
-/sys/devices/platform/dcdbas/smi_data_buf_phys_addr
-/sys/devices/platform/dcdbas/smi_data_buf_size
-/sys/devices/platform/dcdbas/smi_request
+ /sys/devices/platform/dcdbas/smi_data
+ /sys/devices/platform/dcdbas/smi_data_buf_phys_addr
+ /sys/devices/platform/dcdbas/smi_data_buf_size
+ /sys/devices/platform/dcdbas/smi_request
Systems management software must perform the following steps to execute
a SMI using this driver:
@@ -43,6 +49,7 @@ a SMI using this driver:
Host Control Action
+===================
Dell OpenManage supports a host control feature that allows the administrator
to perform a power cycle or power off of the system after the OS has finished
@@ -69,12 +76,14 @@ power off host control action using this driver:
Host Control SMI Type
+=====================
The following table shows the value to write to host_control_smi_type to
perform a power cycle or power off host control action:
+=================== =====================
PowerEdge System Host Control SMI Type
----------------- ---------------------
+=================== =====================
300 HC_SMITYPE_TYPE1
1300 HC_SMITYPE_TYPE1
1400 HC_SMITYPE_TYPE2
@@ -87,5 +96,4 @@ PowerEdge System Host Control SMI Type
1655MC HC_SMITYPE_TYPE2
700 HC_SMITYPE_TYPE3
750 HC_SMITYPE_TYPE3
-
-
+=================== =====================