December 2011
Intermediate to advanced
485 pages
15h 47m
English
Content preview from OS X and iOS Kernel ProgrammingBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Transport Layer Drivers
The driver for a storage device is implemented in the I/O Kit as a transport driver that resides within the Transport Layer of Figure 14-1. Like any other I/O Kit driver, a transport driver will match against the provider class that represents its hardware device; the provider class is also the means by which the driver accesses the underlying hardware. For example, a storage device that is USB-based will have a provider class that is an instance of IOUSBDevice or IOUSBInterface.
The I/O Kit provides no restrictions on the superclass that a transport driver can be derived from, other than ultimately deriving from the IOService class, as is required by all I/O Kit drivers. This allows a transport driver a large degree of ...
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.