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-rw-r--r--include/linux/libata.h27
1 files changed, 27 insertions, 0 deletions
diff --git a/include/linux/libata.h b/include/linux/libata.h
index 1908bf484743..165734a2dd47 100644
--- a/include/linux/libata.h
+++ b/include/linux/libata.h
@@ -1092,6 +1092,7 @@ extern const struct ata_port_operations sata_port_ops;
1092/* 1092/*
1093 * PMP helpers 1093 * PMP helpers
1094 */ 1094 */
1095#ifdef CONFIG_SATA_PMP
1095static inline bool sata_pmp_supported(struct ata_port *ap) 1096static inline bool sata_pmp_supported(struct ata_port *ap)
1096{ 1097{
1097 return ap->flags & ATA_FLAG_PMP; 1098 return ap->flags & ATA_FLAG_PMP;
@@ -1106,6 +1107,22 @@ static inline int ata_is_host_link(const struct ata_link *link)
1106{ 1107{
1107 return link == &link->ap->link; 1108 return link == &link->ap->link;
1108} 1109}
1110#else /* CONFIG_SATA_PMP */
1111static inline bool sata_pmp_supported(struct ata_port *ap)
1112{
1113 return false;
1114}
1115
1116static inline bool sata_pmp_attached(struct ata_port *ap)
1117{
1118 return false;
1119}
1120
1121static inline int ata_is_host_link(const struct ata_link *link)
1122{
1123 return 1;
1124}
1125#endif /* CONFIG_SATA_PMP */
1109 1126
1110static inline int sata_srst_pmp(struct ata_link *link) 1127static inline int sata_srst_pmp(struct ata_link *link)
1111{ 1128{
@@ -1369,11 +1386,21 @@ static inline struct ata_port *ata_shost_to_port(struct Scsi_Host *host)
1369/************************************************************************** 1386/**************************************************************************
1370 * PMP - drivers/ata/libata-pmp.c 1387 * PMP - drivers/ata/libata-pmp.c
1371 */ 1388 */
1389#ifdef CONFIG_SATA_PMP
1390
1372extern const struct ata_port_operations sata_pmp_port_ops; 1391extern const struct ata_port_operations sata_pmp_port_ops;
1373 1392
1374extern int sata_pmp_qc_defer_cmd_switch(struct ata_queued_cmd *qc); 1393extern int sata_pmp_qc_defer_cmd_switch(struct ata_queued_cmd *qc);
1375extern void sata_pmp_error_handler(struct ata_port *ap); 1394extern void sata_pmp_error_handler(struct ata_port *ap);
1376 1395
1396#else /* CONFIG_SATA_PMP */
1397
1398#define sata_pmp_port_ops sata_port_ops
1399#define sata_pmp_qc_defer_cmd_switch ata_std_qc_defer
1400#define sata_pmp_error_handler ata_std_error_handler
1401
1402#endif /* CONFIG_SATA_PMP */
1403
1377 1404
1378/************************************************************************** 1405/**************************************************************************
1379 * SFF - drivers/ata/libata-sff.c 1406 * SFF - drivers/ata/libata-sff.c