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authorWei Yang <[email protected]>2015-03-25 16:23:57 +0800
committerBenjamin Herrenschmidt <[email protected]>2015-03-31 13:02:38 +1100
commit781a868f3136c6eb8e8c5c19d148416d7da86610 (patch)
tree941341c0c52f2669b73b5ec619aeff5e31826b4e /lib/test-string_helpers.c
parent5350ab3fd794f899079d9f6b2b6fe1a7917087ef (diff)
powerpc/powernv: Shift VF resource with an offset
On PowerNV platform, resource position in M64 BAR implies the PE# the resource belongs to. In some cases, adjustment of a resource is necessary to locate it to a correct position in M64 BAR . This patch adds pnv_pci_vf_resource_shift() to shift the 'real' PF IOV BAR address according to an offset. Note: After doing so, there would be a "hole" in the /proc/iomem when offset is a positive value. It looks like the device return some mmio back to the system, which actually no one could use it. [bhelgaas: rework loops, rework overlap check, index resource[] conventionally, remove pci_regs.h include, squashed with next patch] Signed-off-by: Wei Yang <[email protected]> Signed-off-by: Benjamin Herrenschmidt <[email protected]>
Diffstat (limited to 'lib/test-string_helpers.c')
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