diff options
Diffstat (limited to 'drivers/s390/cio/qdio.h')
| -rw-r--r-- | drivers/s390/cio/qdio.h | 38 |
1 files changed, 27 insertions, 11 deletions
diff --git a/drivers/s390/cio/qdio.h b/drivers/s390/cio/qdio.h index e5c966462c5..3dd86441da3 100644 --- a/drivers/s390/cio/qdio.h +++ b/drivers/s390/cio/qdio.h @@ -44,6 +44,7 @@ enum qdio_irq_states { #define SLSB_STATE_NOT_INIT 0x0 #define SLSB_STATE_EMPTY 0x1 #define SLSB_STATE_PRIMED 0x2 +#define SLSB_STATE_PENDING 0x3 #define SLSB_STATE_HALTED 0xe #define SLSB_STATE_ERROR 0xf #define SLSB_TYPE_INPUT 0x0 @@ -67,6 +68,8 @@ enum qdio_irq_states { (SLSB_OWNER_PROG | SLSB_TYPE_OUTPUT | SLSB_STATE_NOT_INIT) /* 0xa0 */ #define SLSB_P_OUTPUT_EMPTY \ (SLSB_OWNER_PROG | SLSB_TYPE_OUTPUT | SLSB_STATE_EMPTY) /* 0xa1 */ +#define SLSB_P_OUTPUT_PENDING \ + (SLSB_OWNER_PROG | SLSB_TYPE_OUTPUT | SLSB_STATE_PENDING) /* 0xa3 */ #define SLSB_CU_OUTPUT_PRIMED \ (SLSB_OWNER_CU | SLSB_TYPE_OUTPUT | SLSB_STATE_PRIMED) /* 0x62 */ #define SLSB_P_OUTPUT_HALTED \ @@ -84,19 +87,11 @@ enum qdio_irq_states { #define CHSC_FLAG_QDIO_CAPABILITY 0x80 #define CHSC_FLAG_VALIDITY 0x40 -/* qdio adapter-characteristics-1 flag */ -#define AC1_SIGA_INPUT_NEEDED 0x40 /* process input queues */ -#define AC1_SIGA_OUTPUT_NEEDED 0x20 /* process output queues */ -#define AC1_SIGA_SYNC_NEEDED 0x10 /* ask hypervisor to sync */ -#define AC1_AUTOMATIC_SYNC_ON_THININT 0x08 /* set by hypervisor */ -#define AC1_AUTOMATIC_SYNC_ON_OUT_PCI 0x04 /* set by hypervisor */ -#define AC1_SC_QEBSM_AVAILABLE 0x02 /* available for subchannel */ -#define AC1_SC_QEBSM_ENABLED 0x01 /* enabled for subchannel */ - /* SIGA flags */ #define QDIO_SIGA_WRITE 0x00 #define QDIO_SIGA_READ 0x01 #define QDIO_SIGA_SYNC 0x02 +#define QDIO_SIGA_WRITEQ 0x04 #define QDIO_SIGA_QEBSM_FLAG 0x80 #ifdef CONFIG_64BIT @@ -253,6 +248,12 @@ struct qdio_input_q { struct qdio_output_q { /* PCIs are enabled for the queue */ int pci_out_enabled; + /* cq: use asynchronous output buffers */ + int use_cq; + /* cq: aobs used for particual SBAL */ + struct qaob **aobs; + /* cq: sbal state related to asynchronous operation */ + struct qdio_outbuf_state *sbal_state; /* timer to check for more outbound work */ struct timer_list timer; /* used SBALs before tasklet schedule */ @@ -432,9 +433,20 @@ struct indicator_t { extern struct indicator_t *q_indicators; -static inline int shared_ind(u32 *dsci) +static inline int has_multiple_inq_on_dsci(struct qdio_irq *irq) +{ + return irq->nr_input_qs > 1; +} + +static inline int references_shared_dsci(struct qdio_irq *irq) { - return dsci == &q_indicators[TIQDIO_SHARED_IND].ind; + return irq->dsci == &q_indicators[TIQDIO_SHARED_IND].ind; +} + +static inline int shared_ind(struct qdio_q *q) +{ + struct qdio_irq *i = q->irq_ptr; + return references_shared_dsci(i) || has_multiple_inq_on_dsci(i); } /* prototypes for thin interrupt */ @@ -449,6 +461,7 @@ void tiqdio_free_memory(void); int tiqdio_register_thinints(void); void tiqdio_unregister_thinints(void); + /* prototypes for setup */ void qdio_inbound_processing(unsigned long data); void qdio_outbound_processing(unsigned long data); @@ -469,6 +482,9 @@ 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); +int qdio_enable_async_operation(struct qdio_output_q *q); +void qdio_disable_async_operation(struct qdio_output_q *q); +struct qaob *qdio_allocate_aob(void); int debug_get_buf_state(struct qdio_q *q, unsigned int bufnr, unsigned char *state); |