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HV: find and hide serial PCI dev from service OS

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serial PCI device is just used for HV/SOS output debug information;
because it is used in hypervisor layer, SOS should not touch it.
so need to check and hide it from SOS.

Tracked-On: #1923
Signed-off-by: Minggui Cao <minggui.cao@intel.com>
Acked-by: Eddie Dong <eddie.dong@intel.com>
This commit is contained in:
Minggui Cao
2018-11-29 14:59:10 +08:00
committed by wenlingz
parent 8d08ec30b7
commit db4254e2df
4 changed files with 21 additions and 0 deletions
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6
hypervisor/dm/hw/pci.c
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@@ -155,6 +155,12 @@ void pci_scan_bus(pci_enumeration_cb cb_func, void *cb_data)
continue;
}
/* if it is debug uart, hide it from SOS */
if (is_pci_dbg_uart(pbdf)) {
pr_info("hide pci uart dev: (%x:%x:%x)", pbdf.bits.b, pbdf.bits.d, pbdf.bits.f);
continue;
}
if (cb_func != NULL) {
cb_func(pbdf.value, cb_data);
}