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path: root/drivers/s390/cio/qdio.h
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Diffstat (limited to 'drivers/s390/cio/qdio.h')
-rw-r--r--drivers/s390/cio/qdio.h144
1 files changed, 91 insertions, 53 deletions
diff --git a/drivers/s390/cio/qdio.h b/drivers/s390/cio/qdio.h
index 328e31cc685..fa385e761fe 100644
--- a/drivers/s390/cio/qdio.h
+++ b/drivers/s390/cio/qdio.h
@@ -3,14 +3,15 @@
#include <asm/page.h>
-#define VERSION_CIO_QDIO_H "$Revision: 1.33 $"
+#include "schid.h"
+
+#define VERSION_CIO_QDIO_H "$Revision: 1.40 $"
#ifdef CONFIG_QDIO_DEBUG
#define QDIO_VERBOSE_LEVEL 9
#else /* CONFIG_QDIO_DEBUG */
#define QDIO_VERBOSE_LEVEL 5
#endif /* CONFIG_QDIO_DEBUG */
-
#define QDIO_USE_PROCESSING_STATE
#ifdef CONFIG_QDIO_PERF_STATS
@@ -265,12 +266,64 @@ QDIO_PRINT_##importance(header "%02x %02x %02x %02x %02x %02x %02x %02x " \
/*
* Some instructions as assembly
*/
+
+static inline int
+do_sqbs(unsigned long sch, unsigned char state, int queue,
+ unsigned int *start, unsigned int *count)
+{
+#ifdef CONFIG_64BIT
+ register unsigned long _ccq asm ("0") = *count;
+ register unsigned long _sch asm ("1") = sch;
+ unsigned long _queuestart = ((unsigned long)queue << 32) | *start;
+
+ asm volatile (
+ " .insn rsy,0xeb000000008A,%1,0,0(%2)\n\t"
+ : "+d" (_ccq), "+d" (_queuestart)
+ : "d" ((unsigned long)state), "d" (_sch)
+ : "memory", "cc"
+ );
+ *count = _ccq & 0xff;
+ *start = _queuestart & 0xff;
+
+ return (_ccq >> 32) & 0xff;
+#else
+ return 0;
+#endif
+}
+
+static inline int
+do_eqbs(unsigned long sch, unsigned char *state, int queue,
+ unsigned int *start, unsigned int *count)
+{
+#ifdef CONFIG_64BIT
+ register unsigned long _ccq asm ("0") = *count;
+ register unsigned long _sch asm ("1") = sch;
+ unsigned long _queuestart = ((unsigned long)queue << 32) | *start;
+ unsigned long _state = 0;
+
+ asm volatile (
+ " .insn rrf,0xB99c0000,%1,%2,0,0 \n\t"
+ : "+d" (_ccq), "+d" (_queuestart), "+d" (_state)
+ : "d" (_sch)
+ : "memory", "cc"
+ );
+ *count = _ccq & 0xff;
+ *start = _queuestart & 0xff;
+ *state = _state & 0xff;
+
+ return (_ccq >> 32) & 0xff;
+#else
+ return 0;
+#endif
+}
+
+
static inline int
-do_siga_sync(unsigned int irq, unsigned int mask1, unsigned int mask2)
+do_siga_sync(struct subchannel_id schid, unsigned int mask1, unsigned int mask2)
{
int cc;
-#ifndef CONFIG_ARCH_S390X
+#ifndef CONFIG_64BIT
asm volatile (
"lhi 0,2 \n\t"
"lr 1,%1 \n\t"
@@ -280,10 +333,10 @@ do_siga_sync(unsigned int irq, unsigned int mask1, unsigned int mask2)
"ipm %0 \n\t"
"srl %0,28 \n\t"
: "=d" (cc)
- : "d" (0x10000|irq), "d" (mask1), "d" (mask2)
+ : "d" (schid), "d" (mask1), "d" (mask2)
: "cc", "0", "1", "2", "3"
);
-#else /* CONFIG_ARCH_S390X */
+#else /* CONFIG_64BIT */
asm volatile (
"lghi 0,2 \n\t"
"llgfr 1,%1 \n\t"
@@ -293,19 +346,19 @@ do_siga_sync(unsigned int irq, unsigned int mask1, unsigned int mask2)
"ipm %0 \n\t"
"srl %0,28 \n\t"
: "=d" (cc)
- : "d" (0x10000|irq), "d" (mask1), "d" (mask2)
+ : "d" (schid), "d" (mask1), "d" (mask2)
: "cc", "0", "1", "2", "3"
);
-#endif /* CONFIG_ARCH_S390X */
+#endif /* CONFIG_64BIT */
return cc;
}
static inline int
-do_siga_input(unsigned int irq, unsigned int mask)
+do_siga_input(struct subchannel_id schid, unsigned int mask)
{
int cc;
-#ifndef CONFIG_ARCH_S390X
+#ifndef CONFIG_64BIT
asm volatile (
"lhi 0,1 \n\t"
"lr 1,%1 \n\t"
@@ -314,10 +367,10 @@ do_siga_input(unsigned int irq, unsigned int mask)
"ipm %0 \n\t"
"srl %0,28 \n\t"
: "=d" (cc)
- : "d" (0x10000|irq), "d" (mask)
+ : "d" (schid), "d" (mask)
: "cc", "0", "1", "2", "memory"
);
-#else /* CONFIG_ARCH_S390X */
+#else /* CONFIG_64BIT */
asm volatile (
"lghi 0,1 \n\t"
"llgfr 1,%1 \n\t"
@@ -326,21 +379,22 @@ do_siga_input(unsigned int irq, unsigned int mask)
"ipm %0 \n\t"
"srl %0,28 \n\t"
: "=d" (cc)
- : "d" (0x10000|irq), "d" (mask)
+ : "d" (schid), "d" (mask)
: "cc", "0", "1", "2", "memory"
);
-#endif /* CONFIG_ARCH_S390X */
+#endif /* CONFIG_64BIT */
return cc;
}
static inline int
-do_siga_output(unsigned long irq, unsigned long mask, __u32 *bb)
+do_siga_output(unsigned long schid, unsigned long mask, __u32 *bb,
+ unsigned int fc)
{
int cc;
__u32 busy_bit;
-#ifndef CONFIG_ARCH_S390X
+#ifndef CONFIG_64BIT
asm volatile (
"lhi 0,0 \n\t"
"lr 1,%2 \n\t"
@@ -366,14 +420,14 @@ do_siga_output(unsigned long irq, unsigned long mask, __u32 *bb)
".long 0b,2b \n\t"
".previous \n\t"
: "=d" (cc), "=d" (busy_bit)
- : "d" (0x10000|irq), "d" (mask),
+ : "d" (schid), "d" (mask),
"i" (QDIO_SIGA_ERROR_ACCESS_EXCEPTION)
: "cc", "0", "1", "2", "memory"
);
-#else /* CONFIG_ARCH_S390X */
+#else /* CONFIG_64BIT */
asm volatile (
- "lghi 0,0 \n\t"
- "llgfr 1,%2 \n\t"
+ "llgfr 0,%5 \n\t"
+ "lgr 1,%2 \n\t"
"llgfr 2,%3 \n\t"
"siga 0 \n\t"
"0:"
@@ -391,11 +445,11 @@ do_siga_output(unsigned long irq, unsigned long mask, __u32 *bb)
".quad 0b,1b \n\t"
".previous \n\t"
: "=d" (cc), "=d" (busy_bit)
- : "d" (0x10000|irq), "d" (mask),
- "i" (QDIO_SIGA_ERROR_ACCESS_EXCEPTION)
+ : "d" (schid), "d" (mask),
+ "i" (QDIO_SIGA_ERROR_ACCESS_EXCEPTION), "d" (fc)
: "cc", "0", "1", "2", "memory"
);
-#endif /* CONFIG_ARCH_S390X */
+#endif /* CONFIG_64BIT */
(*bb) = busy_bit;
return cc;
@@ -407,21 +461,21 @@ do_clear_global_summary(void)
unsigned long time;
-#ifndef CONFIG_ARCH_S390X
+#ifndef CONFIG_64BIT
asm volatile (
"lhi 1,3 \n\t"
".insn rre,0xb2650000,2,0 \n\t"
"lr %0,3 \n\t"
: "=d" (time) : : "cc", "1", "2", "3"
);
-#else /* CONFIG_ARCH_S390X */
+#else /* CONFIG_64BIT */
asm volatile (
"lghi 1,3 \n\t"
".insn rre,0xb2650000,2,0 \n\t"
"lgr %0,3 \n\t"
: "=d" (time) : : "cc", "1", "2", "3"
);
-#endif /* CONFIG_ARCH_S390X */
+#endif /* CONFIG_64BIT */
return time;
}
@@ -488,42 +542,21 @@ struct qdio_perf_stats {
#define MY_MODULE_STRING(x) #x
-#ifdef CONFIG_ARCH_S390X
+#ifdef CONFIG_64BIT
#define QDIO_GET_ADDR(x) ((__u32)(unsigned long)x)
-#else /* CONFIG_ARCH_S390X */
+#else /* CONFIG_64BIT */
#define QDIO_GET_ADDR(x) ((__u32)(long)x)
-#endif /* CONFIG_ARCH_S390X */
-
-#ifdef CONFIG_QDIO_DEBUG
-#define set_slsb(x,y) \
- if(q->queue_type==QDIO_TRACE_QTYPE) { \
- if(q->is_input_q) { \
- QDIO_DBF_HEX2(0,slsb_in,&q->slsb,QDIO_MAX_BUFFERS_PER_Q); \
- } else { \
- QDIO_DBF_HEX2(0,slsb_out,&q->slsb,QDIO_MAX_BUFFERS_PER_Q); \
- } \
- } \
- qdio_set_slsb(x,y); \
- if(q->queue_type==QDIO_TRACE_QTYPE) { \
- if(q->is_input_q) { \
- QDIO_DBF_HEX2(0,slsb_in,&q->slsb,QDIO_MAX_BUFFERS_PER_Q); \
- } else { \
- QDIO_DBF_HEX2(0,slsb_out,&q->slsb,QDIO_MAX_BUFFERS_PER_Q); \
- } \
- }
-#else /* CONFIG_QDIO_DEBUG */
-#define set_slsb(x,y) qdio_set_slsb(x,y)
-#endif /* CONFIG_QDIO_DEBUG */
+#endif /* CONFIG_64BIT */
struct qdio_q {
volatile struct slsb slsb;
char unused[QDIO_MAX_BUFFERS_PER_Q];
- __u32 * volatile dev_st_chg_ind;
+ __u32 * dev_st_chg_ind;
int is_input_q;
- int irq;
+ struct subchannel_id schid;
struct ccw_device *cdev;
unsigned int is_iqdio_q;
@@ -568,6 +601,7 @@ struct qdio_q {
struct tasklet_struct tasklet;
#endif /* QDIO_USE_TIMERS_FOR_POLLING */
+
enum qdio_irq_states state;
/* used to store the error condition during a data transfer */
@@ -617,13 +651,17 @@ struct qdio_irq {
__u32 * volatile dev_st_chg_ind;
unsigned long int_parm;
- int irq;
+ struct subchannel_id schid;
unsigned int is_iqdio_irq;
unsigned int is_thinint_irq;
unsigned int hydra_gives_outbound_pcis;
unsigned int sync_done_on_outb_pcis;
+ /* QEBSM facility */
+ unsigned int is_qebsm;
+ unsigned long sch_token;
+
enum qdio_irq_states state;
unsigned int no_input_qs;
generated by cgit v1.2.3 (git 2.25.1) at 2024-04-19 04:32:59 +0000