diff options
| author |   Daniel Axtens <dja@axtens.net> | 2015-08-14 17:41:26 +1000 |
|---|---|---|
| committer |   Michael Ellerman <mpe@ellerman.id.au> | 2015-08-14 21:32:08 +1000 |
| commit | 9e8df8a219635c5af36a49d78c1f69009b780339 (patch) | |
| tree | 047bc03af4becb5e3c767f0346242b42ff6a1597 /drivers/misc/cxl/vphb.c | |
| parent | cxl: Allow the kernel to trust that an image won't change on PERST. (diff) | |
| download | wireguard-linux-9e8df8a219635c5af36a49d78c1f69009b780339.tar.xz wireguard-linux-9e8df8a219635c5af36a49d78c1f69009b780339.zip | |
cxl: EEH support
EEH (Enhanced Error Handling) allows a driver to recover from the
temporary failure of an attached PCI card. Enable basic CXL support
for EEH.
Signed-off-by: Daniel Axtens <dja@axtens.net>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Diffstat (limited to '')
| -rw-r--r-- | drivers/misc/cxl/vphb.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/misc/cxl/vphb.c b/drivers/misc/cxl/vphb.c index 2930911c1e42..6dd16a6d153f 100644 --- a/drivers/misc/cxl/vphb.c +++ b/drivers/misc/cxl/vphb.c @@ -266,6 +266,14 @@ int cxl_pci_vphb_add(struct cxl_afu *afu) return 0; } +void cxl_pci_vphb_reconfigure(struct cxl_afu *afu) +{ + /* When we are reconfigured, the AFU's MMIO space is unmapped + * and remapped. We need to reflect this in the PHB's view of + * the world. + */ + afu->phb->cfg_addr = afu->afu_desc_mmio + afu->crs_offset; +} void cxl_pci_vphb_remove(struct cxl_afu *afu) { |