diff options
Diffstat (limited to 'drivers/cxl/core/region.c')
| -rw-r--r-- | drivers/cxl/core/region.c | 24 |
1 files changed, 22 insertions, 2 deletions
diff --git a/drivers/cxl/core/region.c b/drivers/cxl/core/region.c index 40f04c543e41..e71077beb021 100644 --- a/drivers/cxl/core/region.c +++ b/drivers/cxl/core/region.c @@ -1044,6 +1044,10 @@ static int cxl_port_setup_targets(struct cxl_port *port, cxld->interleave_ways = iw; cxld->interleave_granularity = ig; + cxld->hpa_range = (struct range) { + .start = p->res->start, + .end = p->res->end, + }; dev_dbg(&cxlr->dev, "%s:%s iw: %d ig: %d\n", dev_name(port->uport), dev_name(&port->dev), iw, ig); add_target: @@ -1070,13 +1074,21 @@ static void cxl_port_reset_targets(struct cxl_port *port, struct cxl_region *cxlr) { struct cxl_region_ref *cxl_rr = cxl_rr_load(port, cxlr); + struct cxl_decoder *cxld; /* * After the last endpoint has been detached the entire cxl_rr may now * be gone. */ - if (cxl_rr) - cxl_rr->nr_targets_set = 0; + if (!cxl_rr) + return; + cxl_rr->nr_targets_set = 0; + + cxld = cxl_rr->decoder; + cxld->hpa_range = (struct range) { + .start = 0, + .end = -1, + }; } static void cxl_region_teardown_targets(struct cxl_region *cxlr) @@ -1257,6 +1269,10 @@ static int cxl_region_attach(struct cxl_region *cxlr, cxled->cxld.interleave_ways = p->interleave_ways; cxled->cxld.interleave_granularity = p->interleave_granularity; + cxled->cxld.hpa_range = (struct range) { + .start = p->res->start, + .end = p->res->end, + }; return 0; @@ -1315,6 +1331,10 @@ static int cxl_region_detach(struct cxl_endpoint_decoder *cxled) } p->targets[cxled->pos] = NULL; p->nr_targets--; + cxled->cxld.hpa_range = (struct range) { + .start = 0, + .end = -1, + }; /* notify the region driver that one of its targets has departed */ up_write(&cxl_region_rwsem); |