diff options
Diffstat (limited to 'usr/src/uts/common/io/pciex/pcieb.c')
| -rw-r--r-- | usr/src/uts/common/io/pciex/pcieb.c | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/usr/src/uts/common/io/pciex/pcieb.c b/usr/src/uts/common/io/pciex/pcieb.c index d81a12b6c0..8ca85e6543 100644 --- a/usr/src/uts/common/io/pciex/pcieb.c +++ b/usr/src/uts/common/io/pciex/pcieb.c @@ -24,6 +24,7 @@ /* * Copyright 2012 Garrett D'Amore <garrett@damore.org>. All rights reserved. * Copyright 2019 Joyent, Inc. + * Copyright 2022 Oxide Computer Company */ /* @@ -593,12 +594,16 @@ pcieb_attach(dev_info_t *devi, ddi_attach_cmd_t cmd) pcieb_plat_attach_workaround(devi); /* - * If this is a root port, determine and set the max payload size. - * Since this will involve scanning the fabric, all error enabling - * and sw workarounds should be in place before doing this. + * If this is a root port, we need to go through and at this point in + * time set up and initialize all fabric-wide settings such as the max + * packet size, tagging, etc. Since this will involve scanning the + * fabric, all error enabling and sw workarounds should be in place + * before doing this. For hotplug-capable bridges, this will happen + * again when a hotplug event occurs. See the pcie theory statement in + * uts/common/io/pciex/pcie.c for more information. */ if (PCIE_IS_RP(bus_p)) - pcie_init_root_port_mps(devi); + pcie_fabric_setup(devi); ddi_report_dev(devi); return (DDI_SUCCESS); |