linux/arch/s390/include/asm/css_chars.h
Alexandra Winter 4fea49a79e s390/cio: Add new Operation Code OC3 to PNSO
Add support for operation code 3 (OC3) of the
Perform-Network-Subchannel-Operations (PNSO) function
of the Channel-Subsystem-Call (CHSC) instruction.

PNSO provides 2 operation codes:
OC0 - BRIDGE_INFO
OC3 - ADDR_INFO (new)

Extend the function calls to *pnso* to pass the OC and
add new response code 0108.

Support for OC3 is indicated by a flag in the css_general_characteristics.

Signed-off-by: Alexandra Winter <wintera@linux.ibm.com>
Reviewed-by: Julian Wiedmann <jwi@linux.ibm.com>
Reviewed-by: Peter Oberparleiter <oberpar@linux.ibm.com>
Reviewed-by: Vineeth Vijayan <vneethv@linux.ibm.com>
Signed-off-by: Julian Wiedmann <jwi@linux.ibm.com>
Acked-by: Heiko Carstens <hca@linux.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-09-15 13:21:46 -07:00

48 lines
904 B
C

/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _ASM_CSS_CHARS_H
#define _ASM_CSS_CHARS_H
#include <linux/types.h>
struct css_general_char {
u64 : 12;
u64 dynio : 1; /* bit 12 */
u64 : 4;
u64 eadm : 1; /* bit 17 */
u64 : 23;
u64 aif : 1; /* bit 41 */
u64 : 3;
u64 mcss : 1; /* bit 45 */
u64 fcs : 1; /* bit 46 */
u64 : 1;
u64 ext_mb : 1; /* bit 48 */
u64 : 7;
u64 aif_tdd : 1; /* bit 56 */
u64 : 1;
u64 qebsm : 1; /* bit 58 */
u64 : 2;
u64 aiv : 1; /* bit 61 */
u64 : 2;
u64 : 3;
u64 aif_osa : 1; /* bit 67 */
u64 : 12;
u64 eadm_rf : 1; /* bit 80 */
u64 : 1;
u64 cib : 1; /* bit 82 */
u64 : 5;
u64 fcx : 1; /* bit 88 */
u64 : 19;
u64 alt_ssi : 1; /* bit 108 */
u64 : 1;
u64 narf : 1; /* bit 110 */
u64 : 5;
u64 enarf: 1; /* bit 116 */
u64 : 6;
u64 util_str : 1;/* bit 123 */
} __packed;
extern struct css_general_char css_general_characteristics;
#endif