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Code Issues Releases Activity

ntb_hw(4): Print correct PAT name for non-WC/WB types mapped at load

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Sponsored by:	EMC / Isilon Storage Division
This commit is contained in:
Conrad Meyer 2016-02-10 20:49:22 +00:00
parent b1d46e7cb0
commit 6ea028df50
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=295487
1 changed files with 28 additions and 4 deletions
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32
sys/dev/ntb/ntb_hw/ntb_hw.c
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@ -369,6 +369,32 @@ ntb_pat_flags(void)
}
}
/*
* Well, this obviously doesn't belong here, but it doesn't seem to exist
* anywhere better yet.
*/
static inline const char *
ntb_vm_memattr_to_str(vm_memattr_t pat)
{
switch (pat) {
case VM_MEMATTR_WRITE_COMBINING:
return ("WRITE_COMBINING");
case VM_MEMATTR_WRITE_THROUGH:
return ("WRITE_THROUGH");
case VM_MEMATTR_WRITE_PROTECTED:
return ("WRITE_PROTECTED");
case VM_MEMATTR_WRITE_BACK:
return ("WRITE_BACK");
case VM_MEMATTR_WEAK_UNCACHEABLE:
return ("UNCACHED");
case VM_MEMATTR_UNCACHEABLE:
return ("UNCACHEABLE");
default:
return ("UNKNOWN");
}
}
static int g_ntb_mw_idx = -1;
SYSCTL_INT(_hw_ntb, OID_AUTO, b2b_mw_idx, CTLFLAG_RDTUN, &g_ntb_mw_idx,
0, "Use this memory window to access the peer NTB registers. A "
@ -828,8 +854,7 @@ map_memory_window_bar(struct ntb_softc *ntb, struct ntb_pci_bar_info *bar)
PCI_RID2BAR(bar->pci_resource_id), bar->vbase,
(char *)bar->vbase + bar->size - 1,
(void *)bar->pbase, (void *)(bar->pbase + bar->size - 1),
(mapmode == VM_MEMATTR_WRITE_COMBINING) ? "WRITE_COMBINING"
: "WRITE_BACK");
ntb_vm_memattr_to_str(mapmode));
} else
device_printf(ntb->device,
"Unable to mark BAR%d v:[%p-%p] p:[%p-%p] as "
@ -837,8 +862,7 @@ map_memory_window_bar(struct ntb_softc *ntb, struct ntb_pci_bar_info *bar)
PCI_RID2BAR(bar->pci_resource_id), bar->vbase,
(char *)bar->vbase + bar->size - 1,
(void *)bar->pbase, (void *)(bar->pbase + bar->size - 1),
(mapmode == VM_MEMATTR_WRITE_COMBINING) ? "WRITE_COMBINING"
: "WRITE_BACK", rc);
ntb_vm_memattr_to_str(mapmode), rc);
/* Proceed anyway */
return (0);
}