diff options
Diffstat (limited to 'drivers/cxl/cxl.h')
| -rw-r--r-- | drivers/cxl/cxl.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/cxl/cxl.h b/drivers/cxl/cxl.h index abbdcd3a7596..7da8db919a20 100644 --- a/drivers/cxl/cxl.h +++ b/drivers/cxl/cxl.h @@ -591,6 +591,7 @@ struct cxl_dax_region { * @depth: How deep this port is relative to the root. depth 0 is the root. * @cdat: Cached CDAT data * @cdat_available: Should a CDAT attribute be available in sysfs + * @pci_latency: Upstream latency in picoseconds */ struct cxl_port { struct device dev; @@ -613,6 +614,7 @@ struct cxl_port { size_t length; } cdat; bool cdat_available; + long pci_latency; }; struct cxl_root_ops { @@ -659,6 +661,7 @@ struct cxl_rcrb_info { * @port: reference to cxl_port that contains this downstream port * @regs: Dport parsed register blocks * @sw_coord: access coordinates (performance) for switch from CDAT + * @link_latency: calculated PCIe downstream latency */ struct cxl_dport { struct device *dport_dev; @@ -669,6 +672,7 @@ struct cxl_dport { struct cxl_port *port; struct cxl_regs regs; struct access_coordinate sw_coord; + long link_latency; }; /** |