Set the STATUS_NO_RESOURCE status bit on pci_epc_set_bar() -ENOSPC. Here this is used to indicate there are not enough inbound window resources to allocate the subrange.
Signed-off-by: Christian Bruel <[email protected]> Reviewed-by: Niklas Cassel <[email protected]> Reviewed-by: Frank Li <[email protected]> Reviewed-by: Koichiro Den <[email protected]> --- drivers/pci/endpoint/functions/pci-epf-test.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/pci/endpoint/functions/pci-epf-test.c b/drivers/pci/endpoint/functions/pci-epf-test.c index 14e61ebe1f116ce04789b6f4c3e965296701ec53..7eb94dffac2d193477a43decd7b952c78b99eb5f 100644 --- a/drivers/pci/endpoint/functions/pci-epf-test.c +++ b/drivers/pci/endpoint/functions/pci-epf-test.c @@ -54,6 +54,7 @@ #define STATUS_BAR_SUBRANGE_SETUP_FAIL BIT(15) #define STATUS_BAR_SUBRANGE_CLEAR_SUCCESS BIT(16) #define STATUS_BAR_SUBRANGE_CLEAR_FAIL BIT(17) +#define STATUS_NO_RESOURCE BIT(18) #define FLAG_USE_DMA BIT(0) @@ -901,6 +902,8 @@ static void pci_epf_test_bar_subrange_setup(struct pci_epf_test *epf_test, ret = pci_epc_set_bar(epc, epf->func_no, epf->vfunc_no, bar); if (ret) { dev_err(&epf->dev, "pci_epc_set_bar() failed: %d\n", ret); + if (ret == -ENOSPC) + status |= STATUS_NO_RESOURCE; bar->submap = old_submap; bar->num_submap = old_nsub; kfree(submap); -- 2.34.1
