[SCSI] zfcp: Enable data division support for FCP devices
Try to enable data division support for FCP devices and indicate in
the adapter status flag if it succeeded.
Reviewed-by: Swen Schillig <swen@vnet.ibm.com>
Signed-off-by: Christof Schmitt <christof.schmitt@de.ibm.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
diff --git a/arch/s390/include/asm/qdio.h b/arch/s390/include/asm/qdio.h
index 0eaae626..2ba6302 100644
--- a/arch/s390/include/asm/qdio.h
+++ b/arch/s390/include/asm/qdio.h
@@ -84,6 +84,7 @@
#define QIB_AC_OUTBOUND_PCI_SUPPORTED 0x40
#define QIB_RFLAGS_ENABLE_QEBSM 0x80
+#define QIB_RFLAGS_ENABLE_DATA_DIV 0x02
/**
* struct qib - queue information block (QIB)
@@ -284,6 +285,9 @@
u8 val[QDIO_MAX_BUFFERS_PER_Q];
} __attribute__ ((packed, aligned(256)));
+#define CHSC_AC2_DATA_DIV_AVAILABLE 0x0010
+#define CHSC_AC2_DATA_DIV_ENABLED 0x0002
+
struct qdio_ssqd_desc {
u8 flags;
u8:8;
@@ -332,6 +336,7 @@
* @adapter_name: name for the adapter
* @qib_param_field_format: format for qib_parm_field
* @qib_param_field: pointer to 128 bytes or NULL, if no param field
+ * @qib_rflags: rflags to set
* @input_slib_elements: pointer to no_input_qs * 128 words of data or NULL
* @output_slib_elements: pointer to no_output_qs * 128 words of data or NULL
* @no_input_qs: number of input queues
@@ -348,6 +353,7 @@
unsigned char adapter_name[8];
unsigned int qib_param_field_format;
unsigned char *qib_param_field;
+ unsigned char qib_rflags;
unsigned long *input_slib_elements;
unsigned long *output_slib_elements;
unsigned int no_input_qs;