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/linux/drivers/s390/char/
H A Dsclp_early.c30 struct read_info_sccb *sccb; in sclp_early_facilities_detect() local
33 sccb = sclp_early_get_info(); in sclp_early_facilities_detect()
34 if (!sccb) in sclp_early_facilities_detect()
37 sclp.facilities = sccb->facilities; in sclp_early_facilities_detect()
38 sclp.has_sprp = !!(sccb->fac84 & 0x02); in sclp_early_facilities_detect()
39 sclp.has_core_type = !!(sccb->fac84 & 0x01); in sclp_early_facilities_detect()
40 sclp.has_gsls = !!(sccb->fac85 & 0x80); in sclp_early_facilities_detect()
41 sclp.has_64bscao = !!(sccb->fac116 & 0x80); in sclp_early_facilities_detect()
42 sclp.has_cmma = !!(sccb->fac116 & 0x40); in sclp_early_facilities_detect()
43 sclp.has_esca = !!(sccb->fac116 & 0x08); in sclp_early_facilities_detect()
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H A Dsclp_early_core.c66 int sclp_early_cmd(sclp_cmdw_t cmd, void *sccb) in sclp_early_cmd() argument
72 rc = sclp_service_call(cmd, sccb); in sclp_early_cmd()
91 struct write_sccb *sccb; in sclp_early_print_lm() local
97 sccb = (struct write_sccb *) sclp_early_sccb; in sclp_early_print_lm()
98 end = (unsigned char *) sccb + EARLY_SCCB_SIZE - 1; in sclp_early_print_lm()
99 memset(sccb, 0, sizeof(*sccb)); in sclp_early_print_lm()
100 ptr = (unsigned char *) &sccb->msg.mdb.mto; in sclp_early_print_lm()
116 len = ptr - (unsigned char *) sccb; in sclp_early_print_lm()
117 sccb->header.length = len - offsetof(struct write_sccb, header); in sclp_early_print_lm()
118 msg = &sccb->msg; in sclp_early_print_lm()
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H A Dsclp_cmd.c59 int sclp_sync_request(sclp_cmdw_t cmd, void *sccb) in sclp_sync_request() argument
61 return sclp_sync_request_timeout(cmd, sccb, 0); in sclp_sync_request()
64 int sclp_sync_request_timeout(sclp_cmdw_t cmd, void *sccb, int timeout) in sclp_sync_request_timeout() argument
76 request->sccb = sccb; in sclp_sync_request_timeout()
99 struct read_cpu_info_sccb *sccb; in _sclp_get_core_info() local
106 sccb = (void *)__get_free_pages(GFP_KERNEL | GFP_DMA | __GFP_ZERO, get_order(length)); in _sclp_get_core_info()
107 if (!sccb) in _sclp_get_core_info()
109 sccb->header.length = length; in _sclp_get_core_info()
110 sccb->header.control_mask[2] = 0x80; in _sclp_get_core_info()
111 rc = sclp_sync_request_timeout(SCLP_CMDW_READ_CPU_INFO, sccb, in _sclp_get_core_info()
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H A Dsclp_sdias.c61 struct sdias_sccb *sccb = sclp_sdias_sccb; in sdias_sclp_send() local
82 if (!(sccb->evbuf.hdr.flags & 0x80)) { in sdias_sclp_send()
84 sccb->evbuf.hdr.flags); in sdias_sclp_send()
88 * for the sync interface the response is in the initial sccb in sdias_sclp_send()
91 memcpy(&sdias_evbuf, &sccb->evbuf, sizeof(sdias_evbuf)); in sdias_sclp_send()
108 struct sdias_sccb *sccb = sclp_sdias_sccb; in sclp_sdias_blk_count() local
114 memset(sccb, 0, sizeof(*sccb)); in sclp_sdias_blk_count()
117 sccb->hdr.length = sizeof(*sccb); in sclp_sdias_blk_count()
118 sccb->evbuf.hdr.length = sizeof(struct sdias_evbuf); in sclp_sdias_blk_count()
119 sccb->evbuf.hdr.type = EVTYP_SDIAS; in sclp_sdias_blk_count()
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H A Dsclp_rw.c23 * The room for the SCCB (only for writing) is not equal to a pages size
44 struct sccb_header *sccb; in sclp_make_buffer() local
46 sccb = (struct sccb_header *) page; in sclp_make_buffer()
49 * of the sccb page. in sclp_make_buffer()
51 buffer = ((struct sclp_buffer *) ((addr_t) sccb + PAGE_SIZE)) - 1; in sclp_make_buffer()
52 buffer->sccb = sccb; in sclp_make_buffer()
61 /* initialize sccb */ in sclp_make_buffer()
62 memset(sccb, 0, sizeof(struct sccb_header)); in sclp_make_buffer()
63 sccb->length = sizeof(struct sccb_header); in sclp_make_buffer()
75 return buffer->sccb; in sclp_unmake_buffer()
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H A Dsclp_mem.c68 struct assign_storage_sccb *sccb; in do_assign_storage() local
71 sccb = (void *)get_zeroed_page(GFP_KERNEL | GFP_DMA); in do_assign_storage()
72 if (!sccb) in do_assign_storage()
74 sccb->header.length = PAGE_SIZE; in do_assign_storage()
75 sccb->rn = rn; in do_assign_storage()
76 rc = sclp_sync_request_timeout(cmd, sccb, SCLP_QUEUE_INTERVAL); in do_assign_storage()
79 switch (sccb->header.response_code) { in do_assign_storage()
85 cmd, sccb->header.response_code, rn); in do_assign_storage()
90 free_page((unsigned long)sccb); in do_assign_storage()
114 struct attach_storage_sccb *sccb; in sclp_attach_storage() local
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H A Dsclp_ftp.c42 pr_debug("SCLP (ET7) TX-IRQ, SCCB @ 0x%p: %*phN\n", in sclp_ftp_txcb()
43 req->sccb, 24, req->sccb); in sclp_ftp_txcb()
91 struct sclp_diag_sccb *sccb; in sclp_ftp_et7() local
97 sccb = (void *) get_zeroed_page(GFP_KERNEL | GFP_DMA); in sclp_ftp_et7()
98 if (!req || !sccb) { in sclp_ftp_et7()
103 sccb->hdr.length = SCLP_DIAG_FTP_EVBUF_LEN + in sclp_ftp_et7()
105 sccb->evbuf.hdr.type = EVTYP_DIAG_TEST; in sclp_ftp_et7()
106 sccb->evbuf.hdr.length = SCLP_DIAG_FTP_EVBUF_LEN; in sclp_ftp_et7()
107 sccb->evbuf.hdr.flags = 0; /* clear processed-buffer */ in sclp_ftp_et7()
108 sccb->evbuf.route = SCLP_DIAG_FTP_ROUTE; in sclp_ftp_et7()
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H A Dsclp.c118 static inline int abbrev_len(sclp_cmdw_t cmd, struct sccb_header *sccb) in abbrev_len() argument
120 struct evbuf_header *evbuf = (struct evbuf_header *)(sccb + 1); in abbrev_len()
121 int len = sccb->length, limit = SCLP_TRACE_MAX_SIZE; in abbrev_len()
123 /* Full SCCB tracing if debug level is set to max. */ in abbrev_len()
136 sclp_cmdw_t cmd, struct sccb_header *sccb, in sclp_trace_sccb() argument
140 if (sccb) { in sclp_trace_sccb()
141 sclp_trace_bin(prio + 1, sccb, abbrev_len(cmd, sccb), in sclp_trace_sccb()
142 err ? sccb->length : 0); in sclp_trace_sccb()
158 struct sccb_header *sccb = req->sccb; in sclp_trace_req() local
170 summary.response = sccb ? sccb->response_code : 0; in sclp_trace_req()
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H A Dsclp_ctl.c58 struct sccb_header *sccb; in sclp_ctl_ioctl_sccb() local
66 sccb = (void *) get_zeroed_page(GFP_KERNEL | GFP_DMA); in sclp_ctl_ioctl_sccb()
67 if (!sccb) in sclp_ctl_ioctl_sccb()
70 copy_from_user(sccb, u64_to_uptr(ctl_sccb.sccb), PAGE_SIZE); in sclp_ctl_ioctl_sccb()
72 sizeof(sccb->length) > copied || sccb->length > copied) { in sclp_ctl_ioctl_sccb()
76 if (sccb->length < 8) { in sclp_ctl_ioctl_sccb()
80 rc = sclp_sync_request(ctl_sccb.cmdw, sccb); in sclp_ctl_ioctl_sccb()
83 if (copy_to_user(u64_to_uptr(ctl_sccb.sccb), sccb, sccb->length)) in sclp_ctl_ioctl_sccb()
86 free_page((unsigned long) sccb); in sclp_ctl_ioctl_sccb()
91 * SCLP SCCB ioctl function
H A Dsclp_vt220.c49 /* VT220 SCCB */
123 page = request->sclp_req.sccb; in sclp_vt220_process_queue()
155 struct sclp_vt220_sccb *sccb; in sclp_vt220_callback() local
162 sccb = (struct sclp_vt220_sccb *) vt220_request->sclp_req.sccb; in sclp_vt220_callback()
165 switch (sccb->header.response_code) { in sclp_vt220_callback()
176 if (sclp_remove_processed((struct sccb_header *) sccb) > 0) { in sclp_vt220_callback()
178 sccb->header.response_code = 0x0000; in sclp_vt220_callback()
188 sccb->header.response_code = 0x0000; in sclp_vt220_callback()
223 struct sclp_vt220_sccb *sccb; in sclp_vt220_emit_current() local
227 sccb = (struct sclp_vt220_sccb *) in sclp_vt220_emit_current()
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H A Dsclp_config.c95 struct sclp_ofb_sccb *sccb; in sclp_ofb_send_req() local
100 sccb = (struct sclp_ofb_sccb *) get_zeroed_page(GFP_KERNEL | GFP_DMA); in sclp_ofb_send_req()
101 if (!sccb) in sclp_ofb_send_req()
103 /* Setup SCCB for Control-Program Identification */ in sclp_ofb_send_req()
104 sccb->header.length = sizeof(struct sclp_ofb_sccb); in sclp_ofb_send_req()
105 sccb->ofb_evbuf.header.length = sizeof(struct sclp_ofb_evbuf); in sclp_ofb_send_req()
106 sccb->ofb_evbuf.header.type = EVTYP_CONFMGMDATA; in sclp_ofb_send_req()
107 sccb->ofb_evbuf.cm_data.ev_qualifier = EV_QUAL_OPEN4BUSINESS; in sclp_ofb_send_req()
108 memcpy(sccb->ofb_evbuf.ev_data, ev_data, len); in sclp_ofb_send_req()
115 rc = sclp_sync_request(SCLP_CMDW_WRITE_EVENT_DATA, sccb); in sclp_ofb_send_req()
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H A Dsclp_ap.c24 struct ap_cfg_sccb *sccb; in do_ap_configure() local
30 sccb = (struct ap_cfg_sccb *) get_zeroed_page(GFP_KERNEL | GFP_DMA); in do_ap_configure()
31 if (!sccb) in do_ap_configure()
34 sccb->header.length = PAGE_SIZE; in do_ap_configure()
36 rc = sclp_sync_request(cmd, sccb); in do_ap_configure()
39 switch (sccb->header.response_code) { in do_ap_configure()
44 apid, cmd, sccb->header.response_code); in do_ap_configure()
49 free_page((unsigned long) sccb); in do_ap_configure()
H A Dsclp_sd.c194 struct sclp_sd_sccb *sccb = (void *) page; in sclp_sd_sync() local
203 sclp_sd_listener_init(&listener, __pa(sccb)); in sclp_sd_sync()
206 /* Prepare SCCB */ in sclp_sd_sync()
207 memset(sccb, 0, PAGE_SIZE); in sclp_sd_sync()
208 sccb->hdr.length = sizeof(sccb->hdr) + sizeof(sccb->evbuf); in sclp_sd_sync()
209 evbuf = &sccb->evbuf; in sclp_sd_sync()
223 rc = sclp_sync_request(SCLP_CMDW_WRITE_EVENT_DATA, sccb); in sclp_sd_sync()
229 if (sccb->hdr.response_code == 0x73f0) { in sclp_sd_sync()
234 if (sccb->hdr.response_code != 0x0020 || !(evbuf->hdr.flags & 0x80)) { in sclp_sd_sync()
270 eq, di, sccb->hdr.response_code, evbuf->hdr.flags, in sclp_sd_sync()
H A Dsclp_rw.h57 /* The number of empty mto buffers that can be contained in a single sccb. */
68 void *sccb; member
77 unsigned int char_sum; /* # chars in sccb */
78 unsigned int messages; /* # messages in sccb */
H A Dsclp_diag.h80 * struct sclp_diag_sccb - Diagnostic Test (ET7) SCCB
81 * @hdr: SCCB header
/linux/drivers/base/regmap/
H A Dregmap-sccb.c2 // Register map access API - SCCB support
11 * sccb_is_available - Check if the adapter supports SCCB protocol
14 * Return true if the I2C adapter is capable of using SCCB helper functions,
22 * If we ever want support for hardware doing SCCB natively, we will in sccb_is_available()
31 * regmap_sccb_read - Read data from SCCB slave device
67 * regmap_sccb_write - Write data to SCCB slave device
72 * This executes the SCCB 3-phase write transmission cycle, returning negative
128 MODULE_DESCRIPTION("Register map access API - SCCB support");
H A DMakefile20 obj-$(CONFIG_REGMAP_SCCB) += regmap-sccb.o
/linux/drivers/scsi/
H A DFlashPoint.c3 FlashPoint.c -- FlashPoint SCCB Manager for Linux
5 This file contains the FlashPoint SCCB Manager from BusLogic's FlashPoint
28 struct sccb;
29 typedef void (*CALL_BK_FN) (struct sccb *);
69 /* SCCB struct used for both SCCB and UCB manager compiles!
70 * The UCB Manager treats the SCCB as it's 'native hardware structure'
74 struct sccb { struct
108 struct sccb *Sccb_forwardlink; argument
109 struct sccb *Sccb_backlink; argument
153 #define SCCB_COMPLETE 0x00 /* SCCB completed without error */
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/linux/arch/s390/kvm/
H A Dintercept.c514 * a: an sccb answering interrupt was already pending or in flight. in handle_pv_sclp()
515 * As the sccb value is not known we can simply set some value to in handle_pv_sclp()
516 * trigger delivery of a saved SCCB. UV will then use its saved in handle_pv_sclp()
517 * copy of the SCCB value. in handle_pv_sclp()
518 * b: an error SCCB interrupt needs to be injected so we also inject in handle_pv_sclp()
519 * a fake SCCB address. Firmware will use the proper one. in handle_pv_sclp()
520 * This makes sure, that both errors and real sccb returns will only in handle_pv_sclp()
/linux/Documentation/devicetree/bindings/media/i2c/
H A Dovti,ov5675.yaml20 Serial Camera Control Bus (SCCB) interface.
22 This chip is programmable through I2C and two-wire SCCB. The sensor output
H A Dovti,ov5693.yaml17 Serial Camera Control Bus (SCCB) interface.
20 (SCCB). The sensor output is available via CSI-2 serial data output (up to
H A Dovti,og01a1b.yaml15 image sensor controlled over an I2C-compatible SCCB bus.
H A Dovti,ov2680.yaml16 various formats via the control of the Serial Camera Control Bus (SCCB)
/linux/arch/s390/include/uapi/asm/
H A Dsclp_ctl.h17 __u64 sccb; member
/linux/Documentation/i2c/
H A Di2c-protocol.rst95 like SCCB require that. Normally, you really don't want to get interrupted

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