63          * An extended-length SCCB is only allowed for Read SCP/CPU Info and  in sccb_verify_boundary()
66          * SCCB length is provided.  in sccb_verify_boundary()
107 static void read_SCP_info(SCLPDevice *sclp, SCCB *sccb)  in read_SCP_info()  argument
109     ReadInfo *read_info = (ReadInfo *) sccb;  in read_SCP_info()
117     CPUEntry *entries_start = (void *)sccb + offset_cpu;  in read_SCP_info()
119     if (be16_to_cpu(sccb->h.length) < required_len) {  in read_SCP_info()
120         if (ext_len_sccb_supported(sccb->h)) {  in read_SCP_info()
121             sccb->h.length = cpu_to_be16(required_len);  in read_SCP_info()
123         sccb->h.response_code = cpu_to_be16(SCLP_RC_INSUFFICIENT_SCCB_LENGTH);  in read_SCP_info()
176     sccb->h.response_code = cpu_to_be16(SCLP_RC_NORMAL_READ_COMPLETION);  in read_SCP_info()
180 static void sclp_read_cpu_info(SCLPDevice *sclp, SCCB *sccb)  in sclp_read_cpu_info()  argument
183     ReadCpuInfo *cpu_info = (ReadCpuInfo *) sccb;  in sclp_read_cpu_info()
187     if (be16_to_cpu(sccb->h.length) < required_len) {  in sclp_read_cpu_info()
188         if (ext_len_sccb_supported(sccb->h)) {  in sclp_read_cpu_info()
189             sccb->h.length = cpu_to_be16(required_len);  in sclp_read_cpu_info()
191         sccb->h.response_code = cpu_to_be16(SCLP_RC_INSUFFICIENT_SCCB_LENGTH);  in sclp_read_cpu_info()
205     sccb->h.response_code = cpu_to_be16(SCLP_RC_NORMAL_READ_COMPLETION);  in sclp_read_cpu_info()
208 static void sclp_configure_io_adapter(SCLPDevice *sclp, SCCB *sccb,  in sclp_configure_io_adapter()  argument
213     if (be16_to_cpu(sccb->h.length) < 16) {  in sclp_configure_io_adapter()
218     switch (((IoaCfgSccb *)sccb)->atype) {  in sclp_configure_io_adapter()
222                 s390_pci_sclp_configure(sccb);  in sclp_configure_io_adapter()
224                 s390_pci_sclp_deconfigure(sccb);  in sclp_configure_io_adapter()
234     sccb->h.response_code = cpu_to_be16(rc);  in sclp_configure_io_adapter()
237 static void sclp_execute(SCLPDevice *sclp, SCCB *sccb, uint32_t code)  in sclp_execute()  argument
246         sclp_c->read_SCP_info(sclp, sccb);  in sclp_execute()
249         sclp_c->read_cpu_info(sclp, sccb);  in sclp_execute()
252         sclp_configure_io_adapter(sclp, sccb, true);  in sclp_execute()
255         sclp_configure_io_adapter(sclp, sccb, false);  in sclp_execute()
258         efc->command_handler(ef, sccb, code);  in sclp_execute()
268 int sclp_service_call_protected(S390CPU *cpu, uint64_t sccb, uint32_t code)  in sclp_service_call_protected()  argument
274     g_autofree SCCB *work_sccb = NULL;  in sclp_service_call_protected()
295 int sclp_service_call(S390CPU *cpu, uint64_t sccb, uint32_t code)  in sclp_service_call()  argument
301     g_autofree SCCB *work_sccb = NULL;  in sclp_service_call()
307     if (cpu_physical_memory_is_io(sccb)) {  in sclp_service_call()
310     if ((sccb & ~0x1fffUL) == 0 || (sccb & ~0x1fffUL) == env->psa  in sclp_service_call()
311         || (sccb & ~0x7ffffff8UL) != 0) {  in sclp_service_call()
315     /* the header contains the actual length of the sccb */  in sclp_service_call()
316     cpu_physical_memory_read(sccb, &header, sizeof(SCCBHeader));  in sclp_service_call()
318     /* Valid sccb sizes */  in sclp_service_call()
324      * we want to work on a private copy of the sccb, to prevent guests  in sclp_service_call()
329     cpu_physical_memory_read(sccb, work_sccb, be16_to_cpu(header.length));  in sclp_service_call()
336     if (!sccb_verify_boundary(sccb, be16_to_cpu(work_sccb->h.length), code)) {  in sclp_service_call()
343     cpu_physical_memory_write(sccb, work_sccb,  in sclp_service_call()
346     sclp_c->service_interrupt(sclp, sccb);  in sclp_service_call()
351 static void service_interrupt(SCLPDevice *sclp, uint32_t sccb)  in service_interrupt()  argument
356     uint32_t param = sccb & ~3;  in service_interrupt()
368 void sclp_service_interrupt(uint32_t sccb)  in sclp_service_interrupt()  argument
373     sclp_c->service_interrupt(sclp, sccb);  in sclp_service_interrupt()