Managing and Developing Dynamically Loadable Kernel Modules

Managing and Developing Dynamically Loadable Kernel Modules
Managing Dynamically Loadable Kernel Modules
Chapter 12 511
NOTE On Itanium-based systems, if the module you are configuring is required
during the boot sequence, the module must either
❏ support the Boot Time Loading (BTL) and be configured to load at
BOOT1 or BOOT2, or
❏ be statically configured
.
DLKM Procedures for Dynamically Configured Loadable
Modules
These procedures:
❏ Prepare a DLKM module for dynamic or static configuration
❏ Query, set or reset tunable DLKM module or static kernel parameters
❏ Dynamically configure a DLKM
❏ Update the image of a DLKM and register it with the kernel
❏ Load a dynamically configured loadable module
❏ Logically disconnect a module and perform cleanup
❏ View details of all registered DLKM modules
❏ View details of a specific DLKM module
Preparing a Loadable Module for Dynamic Loading Into the HP-UX
Kernel
You can use the kmsystem command to prepare a DLKM module to be
either dynamically configured or statically configured.
The kmsystem command sets the planned configuration, planned
linkage, and planned loading phase of a module.
The -c value option specifies whether the module will, or will not, be
configured at the next kernel or module build. If value is y, it will be
configured, if value is n it will not be configured. The -l value option
specifies whether the module will be dynamically, or statically, linked at