-#endif
-
-/* use default value for this field (as well as for system level) */
-static char *system_type = "LINUX";
-
-static int
-cpi_check_parms(void)
-{
- /* reject if no system type specified */
- if (!system_type) {
- printk("cpi: bug: no system type specified\n");
- return -EINVAL;
- }
-
- /* reject if system type larger than 8 characters */
- if (strlen(system_type) > CPI_LENGTH_SYSTEM_NAME) {
- printk("cpi: bug: system type has length of %li characters - "
- "only %i characters supported\n",
- strlen(system_type), CPI_LENGTH_SYSTEM_TYPE);
- return -EINVAL;
- }
-
- /* reject if no system name specified */
- if (!system_name) {
- printk("cpi: no system name specified\n");
- return -EINVAL;
- }
-
- /* reject if system name larger than 8 characters */
- if (strlen(system_name) > CPI_LENGTH_SYSTEM_NAME) {
- printk("cpi: system name has length of %li characters - "
- "only %i characters supported\n",
- strlen(system_name), CPI_LENGTH_SYSTEM_NAME);
- return -EINVAL;
- }
-
- /* reject if specified sysplex name larger than 8 characters */
- if (sysplex_name && strlen(sysplex_name) > CPI_LENGTH_SYSPLEX_NAME) {
- printk("cpi: sysplex name has length of %li characters"
- " - only %i characters supported\n",
- strlen(sysplex_name), CPI_LENGTH_SYSPLEX_NAME);
- return -EINVAL;
- }
- return 0;
-}
-
-static void
-cpi_callback(struct sclp_req *req, void *data)
-{
- struct semaphore *sem;
-
- sem = (struct semaphore *) data;
- up(sem);
-}
-
-static struct sclp_req *
-cpi_prepare_req(void)
-{
- struct sclp_req *req;
- struct cpi_sccb *sccb;
- struct cpi_evbuf *evb;
-
- req = (struct sclp_req *) kmalloc(sizeof(struct sclp_req), GFP_KERNEL);
- if (req == NULL)
- return ERR_PTR(-ENOMEM);
- sccb = (struct cpi_sccb *) __get_free_page(GFP_KERNEL | GFP_DMA);
- if (sccb == NULL) {
- kfree(req);
- return ERR_PTR(-ENOMEM);
- }
- memset(sccb, 0, sizeof(struct cpi_sccb));
-
- /* setup SCCB for Control-Program Identification */
- sccb->header.length = sizeof(struct cpi_sccb);
- sccb->cpi_evbuf.header.length = sizeof(struct cpi_evbuf);
- sccb->cpi_evbuf.header.type = 0x0B;
- evb = &sccb->cpi_evbuf;
-
- /* set system type */
- memset(evb->system_type, ' ', CPI_LENGTH_SYSTEM_TYPE);
- memcpy(evb->system_type, system_type, strlen(system_type));
- sclp_ascebc_str(evb->system_type, CPI_LENGTH_SYSTEM_TYPE);
- EBC_TOUPPER(evb->system_type, CPI_LENGTH_SYSTEM_TYPE);
-
- /* set system name */
- memset(evb->system_name, ' ', CPI_LENGTH_SYSTEM_NAME);
- memcpy(evb->system_name, system_name, strlen(system_name));
- sclp_ascebc_str(evb->system_name, CPI_LENGTH_SYSTEM_NAME);
- EBC_TOUPPER(evb->system_name, CPI_LENGTH_SYSTEM_NAME);
-
- /* set sytem level */
- evb->system_level = LINUX_VERSION_CODE;
-
- /* set sysplex name */
- if (sysplex_name) {
- memset(evb->sysplex_name, ' ', CPI_LENGTH_SYSPLEX_NAME);
- memcpy(evb->sysplex_name, sysplex_name, strlen(sysplex_name));
- sclp_ascebc_str(evb->sysplex_name, CPI_LENGTH_SYSPLEX_NAME);
- EBC_TOUPPER(evb->sysplex_name, CPI_LENGTH_SYSPLEX_NAME);
- }
-
- /* prepare request data structure presented to SCLP driver */
- req->command = SCLP_CMDW_WRITEDATA;
- req->sccb = sccb;
- req->status = SCLP_REQ_FILLED;
- req->callback = cpi_callback;
- return req;
-}
-
-static void
-cpi_free_req(struct sclp_req *req)
-{
- free_page((unsigned long) req->sccb);
- kfree(req);
-}