diff options
| -rw-r--r-- | arch/s390/appldata/appldata_base.c | 4 | ||||
| -rw-r--r-- | arch/s390/include/asm/appldata.h | 19 | ||||
| -rw-r--r-- | drivers/s390/char/monwriter.c | 4 |
3 files changed, 16 insertions, 11 deletions
diff --git a/arch/s390/appldata/appldata_base.c b/arch/s390/appldata/appldata_base.c index 9bf8489df6e6..50dd7117cbc1 100644 --- a/arch/s390/appldata/appldata_base.c +++ b/arch/s390/appldata/appldata_base.c @@ -145,6 +145,7 @@ static void appldata_work_fn(struct work_struct *work) int appldata_diag(char record_nr, u16 function, unsigned long buffer, u16 length, char *mod_lvl) { + struct appldata_parameter_list parm_list; struct appldata_product_id id = { .prod_nr = {0xD3, 0xC9, 0xD5, 0xE4, 0xE7, 0xD2, 0xD9}, /* "LINUXKR" */ @@ -155,7 +156,8 @@ int appldata_diag(char record_nr, u16 function, unsigned long buffer, id.record_nr = record_nr; id.mod_lvl = (mod_lvl[0]) << 8 | mod_lvl[1]; - return appldata_asm(&id, function, (void *) buffer, length); + return appldata_asm(&parm_list, &id, function, + (void *) buffer, length); } /************************ timer, work, DIAG <END> ****************************/ diff --git a/arch/s390/include/asm/appldata.h b/arch/s390/include/asm/appldata.h index 4afbb5938726..c5bd9f4437e5 100644 --- a/arch/s390/include/asm/appldata.h +++ b/arch/s390/include/asm/appldata.h @@ -40,26 +40,27 @@ struct appldata_product_id { u16 mod_lvl; /* modification level */ } __attribute__ ((packed)); -static inline int appldata_asm(struct appldata_product_id *id, + +static inline int appldata_asm(struct appldata_parameter_list *parm_list, + struct appldata_product_id *id, unsigned short fn, void *buffer, unsigned short length) { - struct appldata_parameter_list parm_list; int ry; if (!MACHINE_IS_VM) return -EOPNOTSUPP; - parm_list.diag = 0xdc; - parm_list.function = fn; - parm_list.parlist_length = sizeof(parm_list); - parm_list.buffer_length = length; - parm_list.product_id_addr = (unsigned long) id; - parm_list.buffer_addr = virt_to_phys(buffer); + parm_list->diag = 0xdc; + parm_list->function = fn; + parm_list->parlist_length = sizeof(*parm_list); + parm_list->buffer_length = length; + parm_list->product_id_addr = (unsigned long) id; + parm_list->buffer_addr = virt_to_phys(buffer); diag_stat_inc(DIAG_STAT_X0DC); asm volatile( " diag %1,%0,0xdc" : "=d" (ry) - : "d" (&parm_list), "m" (parm_list), "m" (*id) + : "d" (parm_list), "m" (*parm_list), "m" (*id) : "cc"); return ry; } diff --git a/drivers/s390/char/monwriter.c b/drivers/s390/char/monwriter.c index 4f1a69c9d81d..6388f614de4e 100644 --- a/drivers/s390/char/monwriter.c +++ b/drivers/s390/char/monwriter.c @@ -58,6 +58,7 @@ struct mon_private { static int monwrite_diag(struct monwrite_hdr *myhdr, char *buffer, int fcn) { + struct appldata_parameter_list parm_list; struct appldata_product_id id; int rc; @@ -67,7 +68,8 @@ static int monwrite_diag(struct monwrite_hdr *myhdr, char *buffer, int fcn) id.version_nr = myhdr->version; id.release_nr = myhdr->release; id.mod_lvl = myhdr->mod_level; - rc = appldata_asm(&id, fcn, (void *) buffer, myhdr->datalen); + rc = appldata_asm(&parm_list, &id, fcn, + (void *) buffer, myhdr->datalen); if (rc <= 0) return rc; pr_err("Writing monitor data failed with rc=%i\n", rc); |