CAM-3 March Working Group Minutes
Lansing J Sloan
ljsloan at anduin.ocf.llnl.gov
Thu Mar 30 16:33:28 PST 1995
Bill,
Here are a few comments on the CAM-3 March 1995 minutes sent
March 23.
...
> CAM_U8 XPT_MEM_ALLOC( addr *, cast, CAM_U32
> size, CAM_U32 flags)
...
> Returns:
> CAM_PROVIDE_FAIL (0X16):
> If the service can not at any time provide the requested
> functionality.
> CAM_BUSY (0X05):
> The service can not satisfy this request at this time.
What error code should be used if the XPT_WAITOK flag is cleared
to zero and the memory allocation service believes the request
could never be honored with XPT_WAITOK = 0 but that the request
possibly could be honored with XPT_WAITOK = 1?
...
> pm_offset_t phy_addr * XPT_VIRT_TO_PHYS(
> vm_offset_t addr *, map *)
...
> Returns:
> All values:
> The value is the associated physical address.
How are errors indicated?
...
> CAM_U32 XPT_PAGE_SIZE(vm_offset_t addr *, map *)
...
> Returns:
> All values:
> The value is the page size for the associated virtual
> address.
Again, how are errors indicated?
-- Lance
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