diff options
Diffstat (limited to 'drivers/s390/net/iucv.c')
| -rw-r--r-- | drivers/s390/net/iucv.c | 46 |
1 files changed, 20 insertions, 26 deletions
diff --git a/drivers/s390/net/iucv.c b/drivers/s390/net/iucv.c index e0c7deb9883..809dd8d7f47 100644 --- a/drivers/s390/net/iucv.c +++ b/drivers/s390/net/iucv.c @@ -33,7 +33,6 @@ #include <linux/module.h> #include <linux/moduleparam.h> -#include <linux/config.h> #include <linux/spinlock.h> #include <linux/kernel.h> @@ -336,8 +335,8 @@ do { \ #else -#define iucv_debug(lvl, fmt, args...) -#define iucv_dumpit(title, buf, len) +#define iucv_debug(lvl, fmt, args...) do { } while (0) +#define iucv_dumpit(title, buf, len) do { } while (0) #endif @@ -535,19 +534,15 @@ iucv_add_handler (handler *new) * * Returns: return code from CP's IUCV call */ -static __inline__ ulong -b2f0(__u32 code, void *parm) +static inline ulong b2f0(__u32 code, void *parm) { + register unsigned long reg0 asm ("0"); + register unsigned long reg1 asm ("1"); iucv_dumpit("iparml before b2f0 call:", parm, sizeof(iucv_param)); - asm volatile ( - "LRA 1,0(%1)\n\t" - "LR 0,%0\n\t" - ".long 0xb2f01000" - : - : "d" (code), "a" (parm) - : "0", "1" - ); + reg0 = code; + reg1 = virt_to_phys(parm); + asm volatile(".long 0xb2f01000" : : "d" (reg0), "a" (reg1)); iucv_dumpit("iparml after b2f0 call:", parm, sizeof(iucv_param)); @@ -693,7 +688,7 @@ iucv_retrieve_buffer (void) iucv_debug(1, "entering"); if (iucv_cpuid != -1) { smp_call_function_on(iucv_retrieve_buffer_cpuid, - 0, 0, 1, iucv_cpuid); + NULL, 0, 1, iucv_cpuid); /* Release the cpu reserved by iucv_declare_buffer. */ smp_put_cpu(iucv_cpuid); iucv_cpuid = -1; @@ -1249,6 +1244,8 @@ iucv_purge (__u16 pathid, __u32 msgid, __u32 srccls, __u32 *audit) static int iucv_query_generic(int want_maxconn) { + register unsigned long reg0 asm ("0"); + register unsigned long reg1 asm ("1"); iparml_purge *parm = (iparml_purge *)grab_param(); int bufsize, maxconn; int ccode; @@ -1257,18 +1254,15 @@ iucv_query_generic(int want_maxconn) * Call b2f0 and store R0 (max buffer size), * R1 (max connections) and CC. */ - asm volatile ( - "LRA 1,0(%4)\n\t" - "LR 0,%3\n\t" - ".long 0xb2f01000\n\t" - "IPM %0\n\t" - "SRL %0,28\n\t" - "ST 0,%1\n\t" - "ST 1,%2\n\t" - : "=d" (ccode), "=m" (bufsize), "=m" (maxconn) - : "d" (QUERY), "a" (parm) - : "0", "1", "cc" - ); + reg0 = QUERY; + reg1 = virt_to_phys(parm); + asm volatile( + " .long 0xb2f01000\n" + " ipm %0\n" + " srl %0,28\n" + : "=d" (ccode), "+d" (reg0), "+d" (reg1) : : "cc"); + bufsize = reg0; + maxconn = reg1; release_param(parm); if (ccode) |