From dcc18f48a2f1a44c5e8848f30d0cf53a8066c62a Mon Sep 17 00:00:00 2001 From: Christof Schmitt Date: Fri, 16 Jul 2010 15:37:41 +0200 Subject: [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 Signed-off-by: Christof Schmitt Signed-off-by: James Bottomley --- arch/s390/include/asm/qdio.h | 6 ++++++ 1 file changed, 6 insertions(+) (limited to 'arch') diff --git a/arch/s390/include/asm/qdio.h b/arch/s390/include/asm/qdio.h index 0eaae626027..2ba63027629 100644 --- a/arch/s390/include/asm/qdio.h +++ b/arch/s390/include/asm/qdio.h @@ -84,6 +84,7 @@ struct qdr { #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 @@ struct slsb { 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 @@ typedef void qdio_handler_t(struct ccw_device *, unsigned int, int, * @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 @@ struct qdio_initialize { 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; -- cgit v1.2.3