mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson
synced 2025-10-31 00:01:35 +00:00
62733e5a5a
All scsw helper functions are very short and usage of them shouldn't result in function calls. Therefore we move them to a separate header file. Also saves a lot of EXPORT_SYMBOLs. Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
157 lines
2.9 KiB
C
157 lines
2.9 KiB
C
/*
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* ioctl interface for /dev/chsc
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*
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* Copyright 2008 IBM Corp.
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* Author(s): Cornelia Huck <cornelia.huck@de.ibm.com>
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*/
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#ifndef _ASM_CHSC_H
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#define _ASM_CHSC_H
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#include <linux/types.h>
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#include <asm/chpid.h>
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#include <asm/schid.h>
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struct chsc_async_header {
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__u16 length;
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__u16 code;
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__u32 cmd_dependend;
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__u32 key : 4;
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__u32 : 28;
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struct subchannel_id sid;
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} __attribute__ ((packed));
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struct chsc_async_area {
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struct chsc_async_header header;
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__u8 data[PAGE_SIZE - 16 /* size of chsc_async_header */];
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} __attribute__ ((packed));
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struct chsc_response_struct {
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__u16 length;
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__u16 code;
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__u32 parms;
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__u8 data[PAGE_SIZE - 8];
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} __attribute__ ((packed));
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struct chsc_chp_cd {
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struct chp_id chpid;
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int m;
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int fmt;
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struct chsc_response_struct cpcb;
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};
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struct chsc_cu_cd {
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__u16 cun;
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__u8 cssid;
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int m;
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int fmt;
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struct chsc_response_struct cucb;
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};
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struct chsc_sch_cud {
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struct subchannel_id schid;
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int fmt;
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struct chsc_response_struct scub;
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};
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struct conf_id {
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int m;
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__u8 cssid;
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__u8 ssid;
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};
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struct chsc_conf_info {
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struct conf_id id;
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int fmt;
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struct chsc_response_struct scid;
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};
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struct ccl_parm_chpid {
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int m;
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struct chp_id chp;
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};
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struct ccl_parm_cssids {
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__u8 f_cssid;
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__u8 l_cssid;
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};
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struct chsc_comp_list {
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struct {
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enum {
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CCL_CU_ON_CHP = 1,
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CCL_CHP_TYPE_CAP = 2,
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CCL_CSS_IMG = 4,
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CCL_CSS_IMG_CONF_CHAR = 5,
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CCL_IOP_CHP = 6,
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} ctype;
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int fmt;
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struct ccl_parm_chpid chpid;
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struct ccl_parm_cssids cssids;
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} req;
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struct chsc_response_struct sccl;
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};
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struct chsc_dcal {
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struct {
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enum {
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DCAL_CSS_IID_PN = 4,
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} atype;
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__u32 list_parm[2];
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int fmt;
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} req;
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struct chsc_response_struct sdcal;
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};
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struct chsc_cpd_info {
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struct chp_id chpid;
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int m;
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int fmt;
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int rfmt;
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int c;
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struct chsc_response_struct chpdb;
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};
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#define CHSC_IOCTL_MAGIC 'c'
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#define CHSC_START _IOWR(CHSC_IOCTL_MAGIC, 0x81, struct chsc_async_area)
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#define CHSC_INFO_CHANNEL_PATH _IOWR(CHSC_IOCTL_MAGIC, 0x82, \
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struct chsc_chp_cd)
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#define CHSC_INFO_CU _IOWR(CHSC_IOCTL_MAGIC, 0x83, struct chsc_cu_cd)
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#define CHSC_INFO_SCH_CU _IOWR(CHSC_IOCTL_MAGIC, 0x84, struct chsc_sch_cud)
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#define CHSC_INFO_CI _IOWR(CHSC_IOCTL_MAGIC, 0x85, struct chsc_conf_info)
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#define CHSC_INFO_CCL _IOWR(CHSC_IOCTL_MAGIC, 0x86, struct chsc_comp_list)
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#define CHSC_INFO_CPD _IOWR(CHSC_IOCTL_MAGIC, 0x87, struct chsc_cpd_info)
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#define CHSC_INFO_DCAL _IOWR(CHSC_IOCTL_MAGIC, 0x88, struct chsc_dcal)
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#ifdef __KERNEL__
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struct css_general_char {
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u64 : 12;
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u32 dynio : 1; /* bit 12 */
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u32 : 28;
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u32 aif : 1; /* bit 41 */
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u32 : 3;
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u32 mcss : 1; /* bit 45 */
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u32 fcs : 1; /* bit 46 */
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u32 : 1;
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u32 ext_mb : 1; /* bit 48 */
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u32 : 7;
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u32 aif_tdd : 1; /* bit 56 */
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u32 : 1;
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u32 qebsm : 1; /* bit 58 */
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u32 : 8;
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u32 aif_osa : 1; /* bit 67 */
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u32 : 14;
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u32 cib : 1; /* bit 82 */
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u32 : 5;
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u32 fcx : 1; /* bit 88 */
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u32 : 7;
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}__attribute__((packed));
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extern struct css_general_char css_general_characteristics;
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#endif /* __KERNEL__ */
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#endif
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