-/*
+/*
* IUCV network driver
*
* Copyright (C) 2001 IBM Deutschland Entwicklung GmbH, IBM Corporation
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*
*/
-\f
+
/* #define DEBUG */
#include <linux/module.h>
#include <linux/moduleparam.h>
-#include <linux/config.h>
#include <linux/spinlock.h>
#include <linux/kernel.h>
struct bus_type iucv_bus = {
.name = "iucv",
.match = iucv_bus_match,
-};
+};
struct device *iucv_root;
*Internal function prototypes
*/
static void iucv_tasklet_handler(unsigned long);
-static void iucv_irq_handler(struct pt_regs *, __u16);
+static void iucv_irq_handler(__u16);
static DECLARE_TASKLET(iucv_tasklet,iucv_tasklet_handler,0);
/*
* Debugging stuff
*******************************************************************************/
-\f
+
#ifdef DEBUG
static int debuglevel = 0;
#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
/*
* Internal functions
*******************************************************************************/
-\f
+
/**
* print start banner
*/
}
/* Note: GFP_DMA used used to get memory below 2G */
- iucv_external_int_buffer = kmalloc(sizeof(iucv_GeneralInterrupt),
+ iucv_external_int_buffer = kzalloc(sizeof(iucv_GeneralInterrupt),
GFP_KERNEL|GFP_DMA);
if (!iucv_external_int_buffer) {
printk(KERN_WARNING
bus_unregister(&iucv_bus);
return -ENOMEM;
}
- memset(iucv_external_int_buffer, 0, sizeof(iucv_GeneralInterrupt));
/* Initialize parameter pool */
- iucv_param_pool = kmalloc(sizeof(iucv_param) * PARAM_POOL_SIZE,
+ iucv_param_pool = kzalloc(sizeof(iucv_param) * PARAM_POOL_SIZE,
GFP_KERNEL|GFP_DMA);
if (!iucv_param_pool) {
printk(KERN_WARNING "%s: Could not allocate param pool\n",
bus_unregister(&iucv_bus);
return -ENOMEM;
}
- memset(iucv_param_pool, 0, sizeof(iucv_param) * PARAM_POOL_SIZE);
/* Initialize irq queue */
INIT_LIST_HEAD(&iucv_irq_queue);
*
* 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));
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;
}
/* Allocate handler entry */
- new_handler = (handler *)kmalloc(sizeof(handler), GFP_ATOMIC);
+ new_handler = kmalloc(sizeof(handler), GFP_ATOMIC);
if (new_handler == NULL) {
printk(KERN_WARNING "%s: storage allocation for new handler "
"failed.\n", __FUNCTION__);
}
max_connections = iucv_query_maxconn();
- iucv_pathid_table = kmalloc(max_connections * sizeof(handler *),
- GFP_ATOMIC);
+ iucv_pathid_table = kcalloc(max_connections, sizeof(handler *),
+ GFP_ATOMIC);
if (iucv_pathid_table == NULL) {
printk(KERN_WARNING "%s: iucv_pathid_table storage "
"allocation failed\n", __FUNCTION__);
kfree(new_handler);
return NULL;
}
- memset (iucv_pathid_table, 0, max_connections * sizeof(handler *));
}
memset(new_handler, 0, sizeof (handler));
memcpy(new_handler->id.user_data, pgmname,
sizeof (new_handler->id.userid));
EBC_TOUPPER (new_handler->id.userid,
sizeof (new_handler->id.userid));
-
+
if (pgmmask) {
memcpy (new_handler->id.mask, pgmmask,
sizeof (new_handler->id.mask));
/* parm->ipaudit has only 3 bytes */
*audit >>= 8;
}
-
+
release_param(parm);
iucv_debug(1, "b2f0_result = %ld", b2f0_result);
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;
* 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)
* Places the interrupt buffer on a queue and schedules iucv_tasklet_handler().
*/
static void
-iucv_irq_handler(struct pt_regs *regs, __u16 code)
+iucv_irq_handler(__u16 code)
{
iucv_irqdata *irqdata;
temp_buff1[j] &= (h->id.mask)[j];
temp_buff2[j] &= (h->id.mask)[j];
}
-
+
iucv_dumpit("temp_buff1:",
temp_buff1, sizeof(temp_buff1));
iucv_dumpit("temp_buff2",
temp_buff2, sizeof(temp_buff2));
-
+
if (!memcmp (temp_buff1, temp_buff2, 24)) {
-
+
iucv_debug(2,
"found a matching handler");
break;
} else
iucv_sever(int_buf->ippathid, no_listener);
break;
-
+
case 0x02: /*connection complete */
if (messagesDisabled) {
iucv_setmask(~0);
} else
iucv_sever(int_buf->ippathid, no_listener);
break;
-
+
case 0x03: /* connection severed */
if (messagesDisabled) {
iucv_setmask(~0);
interrupt->ConnectionSevered(
(iucv_ConnectionSevered *)int_buf,
h->pgm_data);
-
+
else
iucv_sever (int_buf->ippathid, no_listener);
} else
iucv_sever(int_buf->ippathid, no_listener);
break;
-
+
case 0x04: /* connection quiesced */
if (messagesDisabled) {
iucv_setmask(~0);
"ConnectionQuiesced not called");
}
break;
-
+
case 0x05: /* connection resumed */
if (messagesDisabled) {
iucv_setmask(~0);
"ConnectionResumed not called");
}
break;
-
+
case 0x06: /* priority message complete */
case 0x07: /* nonpriority message complete */
if (h) {
"MessageComplete not called");
}
break;
-
+
case 0x08: /* priority message pending */
case 0x09: /* nonpriority message pending */
if (h) {
__FUNCTION__);
break;
} /* end switch */
-
+
iucv_debug(2, "exiting pathid %d, type %02X",
int_buf->ippathid, int_buf->iptype);
git://git.onelab.eu / linux-2.6.git / blobdiff