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/linux/drivers/s390/char/
H A Dsclp_early.c29 struct read_info_sccb *sccb; in sclp_early_facilities_detect() local
32 sccb = sclp_early_get_info(); in sclp_early_facilities_detect()
33 if (!sccb) in sclp_early_facilities_detect()
36 sclp.facilities = sccb->facilities; in sclp_early_facilities_detect()
37 sclp.has_sprp = !!(sccb->fac84 & 0x02); in sclp_early_facilities_detect()
38 sclp.has_core_type = !!(sccb->fac84 & 0x01); in sclp_early_facilities_detect()
39 sclp.has_gsls = !!(sccb->fac85 & 0x80); in sclp_early_facilities_detect()
40 sclp.has_64bscao = !!(sccb->fac116 & 0x80); in sclp_early_facilities_detect()
41 sclp.has_cmma = !!(sccb->fac116 & 0x40); in sclp_early_facilities_detect()
42 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.c58 int sclp_sync_request(sclp_cmdw_t cmd, void *sccb) in sclp_sync_request() argument
60 return sclp_sync_request_timeout(cmd, sccb, 0); in sclp_sync_request()
63 int sclp_sync_request_timeout(sclp_cmdw_t cmd, void *sccb, int timeout) in sclp_sync_request_timeout() argument
75 request->sccb = sccb; in sclp_sync_request_timeout()
98 struct read_cpu_info_sccb *sccb; in _sclp_get_core_info() local
105 sccb = (void *)__get_free_pages(GFP_KERNEL | GFP_DMA | __GFP_ZERO, get_order(length)); in _sclp_get_core_info()
106 if (!sccb) in _sclp_get_core_info()
108 sccb->header.length = length; in _sclp_get_core_info()
109 sccb->header.control_mask[2] = 0x80; in _sclp_get_core_info()
110 rc = sclp_sync_request_timeout(SCLP_CMDW_READ_CPU_INFO, sccb, in _sclp_get_core_info()
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H A Dsclp_sdias.c60 struct sdias_sccb *sccb = sclp_sdias_sccb; in sdias_sclp_send() local
81 if (!(sccb->evbuf.hdr.flags & 0x80)) { in sdias_sclp_send()
83 sccb->evbuf.hdr.flags); in sdias_sclp_send()
87 * for the sync interface the response is in the initial sccb in sdias_sclp_send()
90 memcpy(&sdias_evbuf, &sccb->evbuf, sizeof(sdias_evbuf)); in sdias_sclp_send()
107 struct sdias_sccb *sccb = sclp_sdias_sccb; in sclp_sdias_blk_count() local
113 memset(sccb, 0, sizeof(*sccb)); in sclp_sdias_blk_count()
116 sccb->hdr.length = sizeof(*sccb); in sclp_sdias_blk_count()
117 sccb->evbuf.hdr.length = sizeof(struct sdias_evbuf); in sclp_sdias_blk_count()
118 sccb->evbuf.hdr.type = EVTYP_SDIAS; in sclp_sdias_blk_count()
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H A Dsclp_pci.c41 struct pci_cfg_sccb *sccb; in do_pci_configure() local
47 sccb = (struct pci_cfg_sccb *) get_zeroed_page(GFP_KERNEL | GFP_DMA); in do_pci_configure()
48 if (!sccb) in do_pci_configure()
51 sccb->header.length = PAGE_SIZE; in do_pci_configure()
52 sccb->atype = SCLP_ATYPE_PCI; in do_pci_configure()
53 sccb->aid = fid; in do_pci_configure()
54 rc = sclp_sync_request(cmd, sccb); in do_pci_configure()
57 switch (sccb->header.response_code) { in do_pci_configure()
63 cmd, sccb->header.response_code); in do_pci_configure()
68 free_page((unsigned long) sccb); in do_pci_configure()
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H A Dsclp.h118 #define sccb_get_generic_mask(sccb, i) \ argument
120 __typeof__(sccb) __sccb = sccb; \
124 #define sccb_get_recv_mask(sccb) sccb_get_generic_mask(sccb, 0) argument
125 #define sccb_get_send_mask(sccb) sccb_get_generic_mask(sccb, 1) argument
126 #define sccb_get_sclp_recv_mask(sccb) sccb_get_generic_mask(sccb, 2) argument
127 #define sccb_get_sclp_send_mask(sccb) sccb_get_generic_mask(sccb, 3) argument
129 #define sccb_set_generic_mask(sccb, i, val) \ argument
131 __typeof__(sccb) __sccb = sccb; \
135 #define sccb_set_recv_mask(sccb, val) sccb_set_generic_mask(sccb, 0, val) argument
136 #define sccb_set_send_mask(sccb, val) sccb_set_generic_mask(sccb, 1, val) argument
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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_ftp.c41 pr_debug("SCLP (ET7) TX-IRQ, SCCB @ 0x%p: %*phN\n", in sclp_ftp_txcb()
42 req->sccb, 24, req->sccb); in sclp_ftp_txcb()
90 struct sclp_diag_sccb *sccb; in sclp_ftp_et7() local
96 sccb = (void *) get_zeroed_page(GFP_KERNEL | GFP_DMA); in sclp_ftp_et7()
97 if (!req || !sccb) { in sclp_ftp_et7()
102 sccb->hdr.length = SCLP_DIAG_FTP_EVBUF_LEN + in sclp_ftp_et7()
104 sccb->evbuf.hdr.type = EVTYP_DIAG_TEST; in sclp_ftp_et7()
105 sccb->evbuf.hdr.length = SCLP_DIAG_FTP_EVBUF_LEN; in sclp_ftp_et7()
106 sccb->evbuf.hdr.flags = 0; /* clear processed-buffer */ in sclp_ftp_et7()
107 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_mem.c84 struct assign_storage_sccb *sccb; in do_assign_storage() local
87 sccb = (void *)get_zeroed_page(GFP_KERNEL | GFP_DMA); in do_assign_storage()
88 if (!sccb) in do_assign_storage()
90 sccb->header.length = PAGE_SIZE; in do_assign_storage()
91 sccb->rn = rn; in do_assign_storage()
92 rc = sclp_sync_request_timeout(cmd, sccb, SCLP_QUEUE_INTERVAL); in do_assign_storage()
95 switch (sccb->header.response_code) { in do_assign_storage()
101 cmd, sccb->header.response_code, rn); in do_assign_storage()
106 free_page((unsigned long)sccb); in do_assign_storage()
130 struct attach_storage_sccb *sccb; in sclp_attach_storage() local
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H A Dsclp_ctl.c54 struct sccb_header *sccb; in sclp_ctl_ioctl_sccb() local
62 sccb = (void *) get_zeroed_page(GFP_KERNEL | GFP_DMA); in sclp_ctl_ioctl_sccb()
63 if (!sccb) in sclp_ctl_ioctl_sccb()
66 copy_from_user(sccb, u64_to_uptr(ctl_sccb.sccb), PAGE_SIZE); in sclp_ctl_ioctl_sccb()
68 sizeof(sccb->length) > copied || sccb->length > copied) { in sclp_ctl_ioctl_sccb()
72 if (sccb->length < 8) { in sclp_ctl_ioctl_sccb()
76 rc = sclp_sync_request(ctl_sccb.cmdw, sccb); in sclp_ctl_ioctl_sccb()
79 if (copy_to_user(u64_to_uptr(ctl_sccb.sccb), sccb, sccb->length)) in sclp_ctl_ioctl_sccb()
82 free_page((unsigned long) sccb); in sclp_ctl_ioctl_sccb()
87 * 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.c94 struct sclp_ofb_sccb *sccb; in sclp_ofb_send_req() local
99 sccb = (struct sclp_ofb_sccb *) get_zeroed_page(GFP_KERNEL | GFP_DMA); in sclp_ofb_send_req()
100 if (!sccb) in sclp_ofb_send_req()
102 /* Setup SCCB for Control-Program Identification */ in sclp_ofb_send_req()
103 sccb->header.length = sizeof(struct sclp_ofb_sccb); in sclp_ofb_send_req()
104 sccb->ofb_evbuf.header.length = sizeof(struct sclp_ofb_evbuf); in sclp_ofb_send_req()
105 sccb->ofb_evbuf.header.type = EVTYP_CONFMGMDATA; in sclp_ofb_send_req()
106 sccb->ofb_evbuf.cm_data.ev_qualifier = EV_QUAL_OPEN4BUSINESS; in sclp_ofb_send_req()
107 memcpy(sccb->ofb_evbuf.ev_data, ev_data, len); in sclp_ofb_send_req()
114 rc = sclp_sync_request(SCLP_CMDW_WRITE_EVENT_DATA, sccb); in sclp_ofb_send_req()
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H A Dsclp_ap.c23 struct ap_cfg_sccb *sccb; in do_ap_configure() local
29 sccb = (struct ap_cfg_sccb *) get_zeroed_page(GFP_KERNEL | GFP_DMA); in do_ap_configure()
30 if (!sccb) in do_ap_configure()
33 sccb->header.length = PAGE_SIZE; in do_ap_configure()
35 rc = sclp_sync_request(cmd, sccb); in do_ap_configure()
38 switch (sccb->header.response_code) { in do_ap_configure()
43 apid, cmd, sccb->header.response_code); in do_ap_configure()
48 free_page((unsigned long) sccb); in do_ap_configure()
H A Dsclp_cpi_sys.c81 struct cpi_sccb *sccb; in cpi_prepare_req() local
87 sccb = (struct cpi_sccb *) get_zeroed_page(GFP_KERNEL | GFP_DMA); in cpi_prepare_req()
88 if (!sccb) { in cpi_prepare_req()
93 /* setup SCCB for Control-Program Identification */ in cpi_prepare_req()
94 sccb->header.length = sizeof(struct cpi_sccb); in cpi_prepare_req()
95 sccb->cpi_evbuf.header.length = sizeof(struct cpi_evbuf); in cpi_prepare_req()
96 sccb->cpi_evbuf.header.type = EVTYP_CTLPROGIDENT; in cpi_prepare_req()
97 evb = &sccb->cpi_evbuf; in cpi_prepare_req()
113 req->sccb = sccb; in cpi_prepare_req()
121 free_page((unsigned long) req->sccb); in cpi_free_req()
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H A Dsclp_sd.c192 struct sclp_sd_sccb *sccb = (void *) page; in sclp_sd_sync() local
201 sclp_sd_listener_init(&listener, __pa(sccb)); in sclp_sd_sync()
204 /* Prepare SCCB */ in sclp_sd_sync()
205 memset(sccb, 0, PAGE_SIZE); in sclp_sd_sync()
206 sccb->hdr.length = sizeof(sccb->hdr) + sizeof(sccb->evbuf); in sclp_sd_sync()
207 evbuf = &sccb->evbuf; in sclp_sd_sync()
221 rc = sclp_sync_request(SCLP_CMDW_WRITE_EVENT_DATA, sccb); in sclp_sd_sync()
227 if (sccb->hdr.response_code == 0x73f0) { in sclp_sd_sync()
232 if (sccb->hdr.response_code != 0x0020 || !(evbuf->hdr.flags & 0x80)) { in sclp_sd_sync()
268 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");
/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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H A DBusLogic.h16 Finally, special thanks to Mylex/BusLogic for making the FlashPoint SCCB
655 only uses codes 0 - 4. The FlashPoint SCCB Manager has no mailboxes, so
758 Firmware Interface and the FlashPoint SCCB Manager.
781 FlashPoint SCCB Manager. The next 60 bytes are defined by the FlashPoint
782 SCCB Manager. The remaining components are defined by the Linux BusLogic
790 FlashPoint SCCB Manager; the FlashPoint SCCB Manager only supports 32 Logical
799 MultiMaster Firmware and FlashPoint SCCB Manager Common Portion.
824 FlashPoint SCCB Manager Defined Portion.
937 by the FlashPoint SCCB Manager.
1256 Define the version number of the FlashPoint Firmware (SCCB Manager).
/linux/arch/s390/kvm/
H A Dintercept.c524 * a: an sccb answering interrupt was already pending or in flight. in handle_pv_sclp()
525 * As the sccb value is not known we can simply set some value to in handle_pv_sclp()
526 * trigger delivery of a saved SCCB. UV will then use its saved in handle_pv_sclp()
527 * copy of the SCCB value. in handle_pv_sclp()
528 * b: an error SCCB interrupt needs to be injected so we also inject in handle_pv_sclp()
529 * a fake SCCB address. Firmware will use the proper one. in handle_pv_sclp()
530 * 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,ov8856.yaml17 Serial Camera Control Bus (SCCB) interface. This chip is programmable
18 through I2C and two-wire SCCB. The sensor output is available via CSI-2
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

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