diff options
Diffstat (limited to 'Documentation/IPMI.txt')
| -rw-r--r-- | Documentation/IPMI.txt | 14 |
1 files changed, 11 insertions, 3 deletions
diff --git a/Documentation/IPMI.txt b/Documentation/IPMI.txt index 7756e09ea7595..0e3924ecd76b4 100644 --- a/Documentation/IPMI.txt +++ b/Documentation/IPMI.txt @@ -364,6 +364,7 @@ You can change this at module load time (for a module) with: regspacings=<sp1>,<sp2>,... regsizes=<size1>,<size2>,... regshifts=<shift1>,<shift2>,... slave_addrs=<addr1>,<addr2>,... + force_kipmid=<enable1>,<enable2>,... Each of these except si_trydefaults is a list, the first item for the first interface, second item for the second interface, etc. @@ -409,7 +410,13 @@ The slave_addrs specifies the IPMI address of the local BMC. This is usually 0x20 and the driver defaults to that, but in case it's not, it can be specified when the driver starts up. -When compiled into the kernel, the addresses can be specified on the +The force_ipmid parameter forcefully enables (if set to 1) or disables +(if set to 0) the kernel IPMI daemon. Normally this is auto-detected +by the driver, but systems with broken interrupts might need an enable, +or users that don't want the daemon (don't need the performance, don't +want the CPU hit) can disable it. + +When compiled into the kernel, the parameters can be specified on the kernel command line as: ipmi_si.type=<type1>,<type2>... @@ -419,6 +426,7 @@ kernel command line as: ipmi_si.regsizes=<size1>,<size2>,... ipmi_si.regshifts=<shift1>,<shift2>,... ipmi_si.slave_addrs=<addr1>,<addr2>,... + ipmi_si.force_kipmid=<enable1>,<enable2>,... It works the same as the module parameters of the same names. @@ -460,12 +468,12 @@ BMCs specified on the smb_addr line will be detected. Setting smb_dbg_probe to 1 will enable debugging of the probing and detection process for BMCs on the SMBusses. -Discovering the IPMI compilant BMC on the SMBus can cause devices +Discovering the IPMI compliant BMC on the SMBus can cause devices on the I2C bus to fail. The SMBus driver writes a "Get Device ID" IPMI message as a block write to the I2C bus and waits for a response. This action can be detrimental to some I2C devices. It is highly recommended that the known I2c address be given to the SMBus driver in the smb_addr -parameter. The default adrress range will not be used when a smb_addr +parameter. The default address range will not be used when a smb_addr parameter is provided. When compiled into the kernel, the addresses can be specified on the |