Subject: Re: kern/32342: OpenBSD firmware loading framework
To: Jason Thorpe <thorpej@shagadelic.org>
From: Rui Paulo <rpaulo@fnop.net>
List: netbsd-bugs
Date: 12/20/2005 00:13:41
On 2005.12.19 15:59:48 -0800, Jason Thorpe wrote:
|
| On Dec 19, 2005, at 3:48 PM, Iain Hibbert wrote:
|
| >int
| >load_firmware(const char *, int (*func)(void *, uint8_t *, size_t),
| >size_t, void *)
| >
| >
| > load_firmware("filename", load_func, chunk_size, arg);
| >
| > if chunk_size == 0
| > len = file size;
| > else
| > len = min(chunk_size, residual)
| >
| > load_func(arg, ptr, len)
| >
| >would enable both options..?
|
| I'm thinking more like:
|
| error = firmware_open("cz", ..., &handle);
|
| ...
|
| error = firmware_read(handle, offset, buf, buflen);
|
| ...
|
| error = firmware_close(handle);
|
| Driver allocates and frees its own buffers. Perhaps we provide
| firmware_*() routines for buffer management (pageable vs. non-
| pageable memory, etc.)
I like this interface. Are you planning to work on it ?
-- Rui Paulo