diff options
Diffstat (limited to 'drivers/s390/cio/qdio.h')
| -rw-r--r-- | drivers/s390/cio/qdio.h | 31 |
1 files changed, 19 insertions, 12 deletions
diff --git a/drivers/s390/cio/qdio.h b/drivers/s390/cio/qdio.h index 0f4ef8769a3d..7bc643f3f5ab 100644 --- a/drivers/s390/cio/qdio.h +++ b/drivers/s390/cio/qdio.h @@ -91,6 +91,12 @@ enum qdio_irq_states { #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_QEBSM_FLAG 0x80 + #ifdef CONFIG_64BIT static inline int do_sqbs(u64 token, unsigned char state, int queue, int *start, int *count) @@ -142,10 +148,9 @@ struct siga_flag { u8 input:1; u8 output:1; u8 sync:1; - u8 no_sync_ti:1; - u8 no_sync_out_ti:1; - u8 no_sync_out_pci:1; - u8:2; + u8 sync_after_ai:1; + u8 sync_out_after_pci:1; + u8:3; } __attribute__ ((packed)); struct chsc_ssqd_area { @@ -202,6 +207,7 @@ struct qdio_dev_perf_stat { unsigned int inbound_queue_full; unsigned int outbound_call; unsigned int outbound_handler; + unsigned int outbound_queue_full; unsigned int fast_requeue; unsigned int target_full; unsigned int eqbs; @@ -245,10 +251,10 @@ struct qdio_input_q { struct qdio_output_q { /* PCIs are enabled for the queue */ int pci_out_enabled; - /* IQDIO: output multiple buffers (enhanced SIGA) */ - int use_enh_siga; /* timer to check for more outbound work */ struct timer_list timer; + /* used SBALs before tasklet schedule */ + int scan_threshold; }; /* @@ -383,12 +389,13 @@ static inline int multicast_outbound(struct qdio_q *q) (q->irq_ptr->qib.ac & QIB_AC_OUTBOUND_PCI_SUPPORTED) #define is_qebsm(q) (q->irq_ptr->sch_token != 0) -#define need_siga_sync_thinint(q) (!q->irq_ptr->siga_flag.no_sync_ti) -#define need_siga_sync_out_thinint(q) (!q->irq_ptr->siga_flag.no_sync_out_ti) #define need_siga_in(q) (q->irq_ptr->siga_flag.input) #define need_siga_out(q) (q->irq_ptr->siga_flag.output) -#define need_siga_sync(q) (q->irq_ptr->siga_flag.sync) -#define siga_syncs_out_pci(q) (q->irq_ptr->siga_flag.no_sync_out_pci) +#define need_siga_sync(q) (unlikely(q->irq_ptr->siga_flag.sync)) +#define need_siga_sync_after_ai(q) \ + (unlikely(q->irq_ptr->siga_flag.sync_after_ai)) +#define need_siga_sync_out_after_pci(q) \ + (unlikely(q->irq_ptr->siga_flag.sync_out_after_pci)) #define for_each_input_queue(irq_ptr, q, i) \ for (i = 0, q = irq_ptr->input_qs[0]; \ @@ -423,9 +430,9 @@ struct indicator_t { extern struct indicator_t *q_indicators; -static inline int shared_ind(struct qdio_irq *irq_ptr) +static inline int shared_ind(u32 *dsci) { - return irq_ptr->dsci == &q_indicators[TIQDIO_SHARED_IND].ind; + return dsci == &q_indicators[TIQDIO_SHARED_IND].ind; } /* prototypes for thin interrupt */ |