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path: root/drivers/s390/scsi/zfcp_diag.h
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Diffstat (limited to 'drivers/s390/scsi/zfcp_diag.h')
-rw-r--r--drivers/s390/scsi/zfcp_diag.h11
1 files changed, 11 insertions, 0 deletions
diff --git a/drivers/s390/scsi/zfcp_diag.h b/drivers/s390/scsi/zfcp_diag.h
index 2deebccda17d..7ff8fb0bb735 100644
--- a/drivers/s390/scsi/zfcp_diag.h
+++ b/drivers/s390/scsi/zfcp_diag.h
@@ -71,6 +71,17 @@ void zfcp_diag_sysfs_destroy(struct zfcp_adapter *const adapter);
void zfcp_diag_update_xdata(struct zfcp_diag_header *const hdr,
const void *const data, const bool incomplete);
+/*
+ * Function-Type used in zfcp_diag_update_buffer_limited() for the function
+ * that does the buffer-implementation dependent work.
+ */
+typedef int (*zfcp_diag_update_buffer_func)(struct zfcp_adapter *const adapter);
+
+int zfcp_diag_update_port_data_buffer(struct zfcp_adapter *const adapter);
+int zfcp_diag_update_buffer_limited(struct zfcp_adapter *const adapter,
+ struct zfcp_diag_header *const hdr,
+ zfcp_diag_update_buffer_func buffer_update);
+
/**
* zfcp_diag_support_sfp() - Return %true if the @adapter supports reporting
* SFP Data.