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s390/pci: use unique UIDs for domain enumeration

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Use UIDs as domain numbers if the UID checking rules apply (in this
case the FW guarantees uniqueness of these values).

Signed-off-by: Sebastian Ott <sebott@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
This commit is contained in:
Sebastian Ott
2016-01-27 13:33:30 +01:00
committed by Martin Schwidefsky
parent 80abb39b50
commit 5c5afd0201
3 changed files with 15 additions and 1 deletions
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3
arch/s390/pci/pci_clp.c
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@@ -22,6 +22,8 @@
#include <asm/clp.h>
#include <uapi/asm/clp.h>
bool zpci_unique_uid;
static inline void zpci_err_clp(unsigned int rsp, int rc)
{
struct {
@@ -315,6 +317,7 @@ static int clp_list_pci(struct clp_req_rsp_list_pci *rrb,
goto out;
}
zpci_unique_uid = rrb->response.uid_checking;
WARN_ON_ONCE(rrb->response.entry_size !=
sizeof(struct clp_fh_list_entry));