| Commit message (Collapse) | Author | Age | Files | Lines |
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When the linux port changes were imported which split the
target command list to be separate from the initiator command
list and the handle format changed to encode a type in the handle
the implications to the function isp_handle_index (which only
the NetBSD/OpenBSD/FreeBSD ports use) were overlooked.
The fault is twofold: first, the index into the DMA maps
in isp_pci is wrong because a target command handle with
the type bit left in place caused a bad index (and panic)
into dma map. Secondly, the assumption of the array
of DMA maps in either PCS or SBUS attachment structures is
that there is a linear mapping between handle index and
DMA map index. This can no longer be true if there are
overlapping index spaces for initiator mode and target
mode commands.
These changes bandaid around the problem by forcing us
to not have simultaneous dual roles and doing the appropriate
masking to make sure things are indexed correctly. A longer
term fix is being devloped.
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b) Split default param fetching/setting into scsi and fibre functions
and retry the fibre fetch more than once.
MFC after: 1 week
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and provied an isp_control entry point so that the outer layers can
do PLOGI/LOGO explicitly. Add MS IOCB support. This completes the cycle
for base support for SMI-S.
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gone device timers and zombie state entries. There are tunables
that can be used to select a number of parameters.
loop_down_limit - how long to wait for loop to come back up before
declaring
all devices dead (default 300 seconds)
gone_device_time- how long to wait for a device that has appeared
to leave the loop or fabric to reappear (default 30 seconds)
Internal tunables include (which should be externalized):
quick_boot_time- how long to wait when booting for loop to come up
change_is_bad- whether or not to accept devices with the same
WWNN/WWPN that reappear at a different PortID as being the 'same'
device.
Keen students of some of the subtle issues here will ask how
one can keep devices from being re-accepted at all (the answer
is to set a gone_device_time to zero- that effectively would
be the same thing).
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to getting rid u_int for uint and so on).
b) Turn back on 64 bit DAC support. Cheeze it a bit in that we have two
DMA callback functions- one when we have bus_addr_t > 4 bits in width and
the other which should be normal. Even Cheezier in that we turn off setting
up DMA maps to be BUS_SPACE_MAXADDR if we're in ISP_TARGET_MODE. More work
on this in a week or so.
c) Tested under amd64 and 1MB DFLTPHYS, sparc64, i386 (PAE, but insufficient
memory to really test > 4GB). LINT check under amd64.
MFC after: 1 month
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Larger code space, possibly performance hit, but more portable.
Certainly less questionable use of inlining.
Suggested by: des
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