| /linux/drivers/s390/cio/ |
| H A D | chp.c | 56 static void set_chp_logically_online(struct chp_id chpid, int onoff) in set_chp_logically_online() argument
58 chpid_to_chp(chpid)->state = onoff; in set_chp_logically_online()
63 int chp_get_status(struct chp_id chpid) in chp_get_status() argument
65 return (chpid_to_chp(chpid) ? chpid_to_chp(chpid)->state : -ENODEV); in chp_get_status()
77 struct chp_id chpid; in chp_get_sch_opm() local
82 chp_id_init(&chpid); in chp_get_sch_opm()
85 chpid.id = sch->schib.pmcw.chpid[i]; in chp_get_sch_opm()
86 if (chp_get_status(chpid) != 0) in chp_get_sch_opm()
100 int chp_is_registered(struct chp_id chpid) in chp_is_registered() argument
102 return chpid_to_chp(chpid) != NULL; in chp_is_registered()
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| H A D | chp.h | 29 struct chp_id chpid; member
45 struct chp_id chpid; member
61 static inline struct channel_path *chpid_to_chp(struct chp_id chpid) in chpid_to_chp() argument
63 return css_by_id(chpid.cssid)->chps[chpid.id]; in chpid_to_chp()
66 int chp_get_status(struct chp_id chpid);
68 int chp_is_registered(struct chp_id chpid);
69 struct channel_path_desc_fmt0 *chp_get_chp_desc(struct chp_id chpid);
73 int chp_new(struct chp_id chpid);
74 void chp_cfg_schedule(struct chp_id chpid, int configure);
75 void chp_cfg_cancel_deconfigure(struct chp_id chpid);
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| H A D | chsc.c | 112 u8 chpid[8]; /* chpids 0-7 */ member
162 chp_id_init(&ssd->chpid[i]); in chsc_get_ssd_info()
163 ssd->chpid[i].id = ssd_area->chpid[i]; in chsc_get_ssd_info()
249 void chsc_chp_offline(struct chp_id chpid) in chsc_chp_offline() argument
251 struct channel_path *chp = chpid_to_chp(chpid); in chsc_chp_offline()
255 scnprintf(dbf_txt, sizeof(dbf_txt), "chpr%x.%02x", chpid.cssid, chpid.id); in chsc_chp_offline()
258 if (chp_get_status(chpid) <= 0) in chsc_chp_offline()
261 link.chpid = chpid; in chsc_chp_offline()
286 scnprintf(dbf_txt, sizeof(dbf_txt), "accpr%x.%02x", link->chpid.cssid, in s390_process_res_acc()
287 link->chpid.id); in s390_process_res_acc()
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| H A D | chsc.h | 25 u32 chpid : 8; member
50 u8 chpid; member
91 struct chp_id chpid[8]; member
174 int chsc_chp_vary(struct chp_id chpid, int on);
175 int chsc_determine_channel_path_desc(struct chp_id chpid, int fmt, int rfmt,
177 int chsc_determine_fmt0_channel_path_desc(struct chp_id chpid,
179 int chsc_determine_fmt1_channel_path_desc(struct chp_id chpid,
181 int chsc_determine_fmt3_channel_path_desc(struct chp_id chpid,
183 void chsc_chp_online(struct chp_id chpid);
184 void chsc_chp_offline(struct chp_id chpid);
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| H A D | device_ops.c | 482 struct chp_id chpid; in ccw_device_get_chp_desc() local
485 chp_id_init(&chpid); in ccw_device_get_chp_desc()
486 chpid.id = sch->schib.pmcw.chpid[chp_idx]; in ccw_device_get_chp_desc()
487 return chp_get_chp_desc(chpid); in ccw_device_get_chp_desc()
502 struct chp_id chpid; in ccw_device_get_util_str() local
505 chp_id_init(&chpid); in ccw_device_get_util_str()
506 chpid.id = sch->schib.pmcw.chpid[chp_idx]; in ccw_device_get_util_str()
507 chp = chpid_to_chp(chpid); in ccw_device_get_util_str()
652 struct chp_id chpid; in ccw_device_get_mdc() local
661 chp_id_init(&chpid); in ccw_device_get_mdc()
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| H A D | chsc_sch.c | 457 scpcd_area->cssid = cd->chpid.cssid; in chsc_ioctl_info_channel_path()
458 scpcd_area->first_chpid = cd->chpid.id; in chsc_ioctl_info_channel_path()
459 scpcd_area->last_chpid = cd->chpid.id; in chsc_ioctl_info_channel_path()
690 u32 chpid : 8; in chsc_ioctl_conf_comp_list() member
719 chpid_parm->m = ccl->req.chpid.m; in chsc_ioctl_conf_comp_list()
720 chpid_parm->cssid = ccl->req.chpid.chp.cssid; in chsc_ioctl_conf_comp_list()
721 chpid_parm->chpid = ccl->req.chpid.chp.id; in chsc_ioctl_conf_comp_list()
768 ret = chsc_determine_channel_path_desc(chpd->chpid, chpd->fmt, in chsc_ioctl_chpd()
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| H A D | device_fsm.c | 171 struct chp_id chpid; in __recover_lost_chpids() local
173 chp_id_init(&chpid); in __recover_lost_chpids()
180 chpid.id = sch->schib.pmcw.chpid[i]; in __recover_lost_chpids()
181 if (!chp_is_registered(chpid)) in __recover_lost_chpids()
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| H A D | css.c | 277 chp_id_init(&ssd->chpid[i]); in ssd_from_pmcw()
278 ssd->chpid[i].id = pmcw->chpid[i]; in ssd_from_pmcw()
291 chp_new(ssd->chpid[i]); in ssd_register_chpids()
382 ret += sysfs_emit_at(buf, ret, "%02x ", ssd->chpid[chp].id); in chpids_show()
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| H A D | cio.h | 38 u8 chpid[8]; /* CHPID 0-7 (if available) */ member
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| H A D | vfio_ccw_drv.c | 332 link->chpid.id); in vfio_ccw_chp_event()
343 link->chpid.id); in vfio_ccw_chp_event()
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| H A D | device.c | 1149 int mask, chpid, valid_bit; in io_subchannel_chp_event() local
1187 for (chpid = 0, valid_bit = 0x80; chpid < 8; chpid++, in io_subchannel_chp_event()
1190 path_event[chpid] = PE_PATH_FCES_EVENT; in io_subchannel_chp_event()
1192 path_event[chpid] = PE_NONE; in io_subchannel_chp_event()
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| H A D | ccwreq.c | 342 sch->schib.pmcw.chpid[chp]); in ccw_request_timeout()
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| H A D | trace.h | 62 memcpy(&__entry->pmcw_chpid, &schib->pmcw.chpid, 8);
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| /linux/arch/s390/include/asm/ |
| H A D | chpid.h | 16 u8 chpid; member
23 static inline void chp_id_init(struct chp_id *chpid) in chp_id_init() argument
25 memset(chpid, 0, sizeof(struct chp_id)); in chp_id_init()
33 static inline void chp_id_next(struct chp_id *chpid) in chp_id_next() argument
35 if (chpid->id < __MAX_CHPID) in chp_id_next()
36 chpid->id++; in chp_id_next()
38 chpid->id = 0; in chp_id_next()
39 chpid->cssid++; in chp_id_next()
43 static inline int chp_id_is_valid(struct chp_id *chpid) in chp_id_is_valid() argument
45 return (chpid->cssid <= __MAX_CSSID); in chp_id_is_valid()
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| H A D | sclp.h | 184 int sclp_chp_configure(struct chp_id chpid);
185 int sclp_chp_deconfigure(struct chp_id chpid);
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| H A D | ccwdev.h | 236 int ccw_device_get_chpid(struct ccw_device *cdev, int chp_idx, u8 *chpid);
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| /linux/arch/s390/include/uapi/asm/ |
| H A D | chsc.h | 51 struct chp_id chpid; member
103 struct ccl_parm_chpid chpid; member
121 struct chp_id chpid; member
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| /linux/drivers/s390/char/ |
| H A D | sclp_cmd.c | 207 int sclp_chp_configure(struct chp_id chpid) in sclp_chp_configure() argument
209 return do_chp_configure(SCLP_CMDW_CONFIGURE_CHPATH | chpid.id << 8); in sclp_chp_configure()
219 int sclp_chp_deconfigure(struct chp_id chpid) in sclp_chp_deconfigure() argument
221 return do_chp_configure(SCLP_CMDW_DECONFIGURE_CHPATH | chpid.id << 8); in sclp_chp_deconfigure()
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| /linux/Documentation/arch/s390/ |
| H A D | driver-model.rst | 272 and are called 'chp0.<chpid>'. They have no driver and do not belong to any bus.
280 Piping 'on' or 'off' sets the chpid logically online/offline.
281 Piping 'on' to an online chpid triggers path reprobing for all devices
282 the chpid connects to. This can be used to force the kernel to reuse
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| /linux/drivers/s390/net/ |
| H A D | qeth_core_sys.c | 44 return sysfs_emit(buf, "%02X\n", card->info.chpid); in qeth_dev_chpid_show()
47 static DEVICE_ATTR(chpid, 0444, qeth_dev_chpid_show, NULL);
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| H A D | qeth_core.h | 715 u8 chpid; member
883 __u8 chpid; member
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| /linux/usr/include/ |
| H A D | Makefile | 147 uses-libc += asm/chpid.h
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| /linux/drivers/s390/scsi/ |
| H A D | zfcp_fsf.h | 199 u8 chpid; member
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| /linux/drivers/s390/block/ |
| H A D | dasd_3990_erp.c | 2186 device->path[pos].cssid, device->path[pos].chpid, lpum); in dasd_3990_erp_disable_path()
2194 device->path[pos].cssid, device->path[pos].chpid, lpum); in dasd_3990_erp_disable_path()
2200 device->path[pos].cssid, device->path[pos].chpid, lpum); in dasd_3990_erp_disable_path()
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| H A D | dasd_eckd.h | 499 __u8 chpid; member
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