src-test2/sys/dev/ata, branch release/5.3.0

MFC:

2004-10-24T09:31:25Z

Do not retry on requests that has lost thier device during reinit. Should fix hangs on IBM's etc with the fake slave problem. Approved by: re

MFC rev. 1.27:

2004-10-23T19:05:17Z

Return the unit number of a channel instead of a hardcoded '1' from the ATA pccard locking function. This makes pccard devices like Compact Flash cards work again. PR: kern/72805 Submitted by: James E. Flemer Approved by: re@ (scottl)

MFC:

2004-10-16T08:43:06Z

latest locking updates/fixes. Approved by: re@ (scottl)

MFC:

2004-10-10T15:01:47Z

Pull ATA up to -current levels minus PC98 geometry changes: Fix the serverworks modesetting code, of mask offset was wrong. Always set half'n'half mode on ICH* chips. Fix the PC98 lockups on boot. Add SHARP to the pool of drives that doesn not need byteswapping. Add support for the ICH6 in legacy mode. Dont sleep with lock held. Approved by: re@ (scottl)

MFC:

2004-09-30T21:29:19Z

Remove the old ATA_*LOCK_CH macros that used atomic ops and use mutexes instead. This closes the last (known) race issues in ATA which should fix the various hangs etc seen on heavy loaded systems. Change from using timeout functions to using callout functions in the timeout code. This together with above closes the race that could happen if timeout and device interrupt occured simultaniously. Also fix the possible recursion in ata_reinit() on very dodgy devices that could take us down in the probe. Approved by: re@ (scottl)

Update ATA to -current level. Summary:

2004-09-06T19:36:26Z

Fix the handling of "inflight" requests when doing reinit's. Always pick up giant before returning from an ioctl call. Sii_reset needs to wait up to 1 second to get slow disks with it. Set and reset the right bit for UDMA enable/disable on the ICH* chips. Only call dmainit() if there is a valid busmaster resource. Workaround devices that responds with registers as *both* master & slave. Introduce ata_udelay() that uses tsleep instead of DELAY if possible. Properly check malloc returns. Approved by: re@

Improve (hopefully) on the workaround code for devices that doesn't

2004-08-16T09:32:35Z

interrupt when command is done, ie some ATAPI CD drives with no media loaded.

Fix Promise sx4/sx4000 support that broke on the latest race fixes.

2004-08-16T09:29:46Z

Allow the use of a supplied function to set the PRD table. This is

2004-08-13T08:14:27Z

needed for new chips that supports 64bit addressing.

Change the order of ata_dmainit/ata_allocate in preparation of

2004-08-12T08:20:36Z

supporting new chipsets where this is needed.