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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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5
arch/s390/include/asm/pci_clp.h
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@@ -46,6 +46,8 @@ struct clp_fh_list_entry {
#define CLP_UTIL_STR_LEN 64
#define CLP_PFIP_NR_SEGMENTS 4
extern bool zpci_unique_uid;
/* List PCI functions request */
struct clp_req_list_pci {
struct clp_req_hdr hdr;
@@ -59,7 +61,8 @@ struct clp_rsp_list_pci {
u64 resume_token;
u32 reserved2;
u16 max_fn;
u8 reserved3;
u8 : 7;
u8 uid_checking : 1;
u8 entry_size;
struct clp_fh_list_entry fh_list[CLP_FH_LIST_NR_ENTRIES];
} __packed;