diff options
Diffstat (limited to 'drivers/s390/cio/qdio.h')
| -rw-r--r-- | drivers/s390/cio/qdio.h | 19 |
1 files changed, 12 insertions, 7 deletions
diff --git a/drivers/s390/cio/qdio.h b/drivers/s390/cio/qdio.h index 7b50882577d..c60f2566d28 100644 --- a/drivers/s390/cio/qdio.h +++ b/drivers/s390/cio/qdio.h @@ -112,12 +112,12 @@ static inline int do_sqbs(u64 token, unsigned char state, int queue, } static inline int do_eqbs(u64 token, unsigned char *state, int queue, - int *start, int *count) + int *start, int *count, int ack) { register unsigned long _ccq asm ("0") = *count; register unsigned long _token asm ("1") = token; unsigned long _queuestart = ((unsigned long)queue << 32) | *start; - unsigned long _state = 0; + unsigned long _state = (unsigned long)ack << 63; asm volatile( " .insn rrf,0xB99c0000,%1,%2,0,0" @@ -134,7 +134,7 @@ static inline int do_eqbs(u64 token, unsigned char *state, int queue, static inline int do_sqbs(u64 token, unsigned char state, int queue, int *start, int *count) { return 0; } static inline int do_eqbs(u64 token, unsigned char *state, int queue, - int *start, int *count) { return 0; } + int *start, int *count, int ack) { return 0; } #endif /* CONFIG_64BIT */ struct qdio_irq; @@ -187,11 +187,11 @@ struct qdio_input_q { /* input buffer acknowledgement flag */ int polling; + /* how much sbals are acknowledged with qebsm */ + int ack_count; + /* last time of noticing incoming data */ u64 timestamp; - - /* lock for clearing the acknowledgement */ - spinlock_t lock; }; struct qdio_output_q { @@ -351,10 +351,13 @@ static inline unsigned long long get_usecs(void) ((bufnr + 1) & QDIO_MAX_BUFFERS_MASK) #define add_buf(bufnr, inc) \ ((bufnr + inc) & QDIO_MAX_BUFFERS_MASK) +#define sub_buf(bufnr, dec) \ + ((bufnr - dec) & QDIO_MAX_BUFFERS_MASK) /* prototypes for thin interrupt */ void qdio_sync_after_thinint(struct qdio_q *q); -int get_buf_state(struct qdio_q *q, unsigned int bufnr, unsigned char *state); +int get_buf_state(struct qdio_q *q, unsigned int bufnr, unsigned char *state, + int auto_ack); void qdio_check_outbound_after_thinint(struct qdio_q *q); int qdio_inbound_q_moved(struct qdio_q *q); void qdio_kick_inbound_handler(struct qdio_q *q); @@ -388,6 +391,8 @@ int qdio_setup_irq(struct qdio_initialize *init_data); void qdio_print_subchannel_info(struct qdio_irq *irq_ptr, struct ccw_device *cdev); void qdio_release_memory(struct qdio_irq *irq_ptr); +int qdio_setup_create_sysfs(struct ccw_device *cdev); +void qdio_setup_destroy_sysfs(struct ccw_device *cdev); int qdio_setup_init(void); void qdio_setup_exit(void); |