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Diffstat (limited to 'drivers/s390/cio/qdio.h')
-rw-r--r--drivers/s390/cio/qdio.h104
1 files changed, 70 insertions, 34 deletions
diff --git a/drivers/s390/cio/qdio.h b/drivers/s390/cio/qdio.h
index 328e31cc6854..b5d303e79a24 100644
--- a/drivers/s390/cio/qdio.h
+++ b/drivers/s390/cio/qdio.h
@@ -3,14 +3,13 @@
#include <asm/page.h>
-#define VERSION_CIO_QDIO_H "$Revision: 1.33 $"
+#define VERSION_CIO_QDIO_H "$Revision: 1.37 $"
#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
@@ -265,6 +264,58 @@ 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_ARCH_S390X
+ 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_ARCH_S390X
+ 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)
{
@@ -280,7 +331,7 @@ 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" (irq), "d" (mask1), "d" (mask2)
: "cc", "0", "1", "2", "3"
);
#else /* CONFIG_ARCH_S390X */
@@ -293,7 +344,7 @@ 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" (irq), "d" (mask1), "d" (mask2)
: "cc", "0", "1", "2", "3"
);
#endif /* CONFIG_ARCH_S390X */
@@ -314,7 +365,7 @@ 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" (irq), "d" (mask)
: "cc", "0", "1", "2", "memory"
);
#else /* CONFIG_ARCH_S390X */
@@ -326,7 +377,7 @@ 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" (irq), "d" (mask)
: "cc", "0", "1", "2", "memory"
);
#endif /* CONFIG_ARCH_S390X */
@@ -335,7 +386,8 @@ do_siga_input(unsigned int irq, unsigned int mask)
}
static inline int
-do_siga_output(unsigned long irq, unsigned long mask, __u32 *bb)
+do_siga_output(unsigned long irq, unsigned long mask, __u32 *bb,
+ unsigned int fc)
{
int cc;
__u32 busy_bit;
@@ -366,14 +418,14 @@ 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" (irq), "d" (mask),
"i" (QDIO_SIGA_ERROR_ACCESS_EXCEPTION)
: "cc", "0", "1", "2", "memory"
);
#else /* CONFIG_ARCH_S390X */
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:"
@@ -391,8 +443,8 @@ 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" (irq), "d" (mask),
+ "i" (QDIO_SIGA_ERROR_ACCESS_EXCEPTION), "d" (fc)
: "cc", "0", "1", "2", "memory"
);
#endif /* CONFIG_ARCH_S390X */
@@ -494,33 +546,12 @@ struct qdio_perf_stats {
#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 */
-
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;
@@ -568,6 +599,7 @@ 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 */
@@ -624,6 +656,10 @@ struct qdio_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 2.39.1) at 2024-12-28 19:26:56 +0100