diff options
Diffstat (limited to 'drivers/infiniband/hw/qib/qib.h')
| -rw-r--r-- | drivers/infiniband/hw/qib/qib.h | 45 |
1 files changed, 43 insertions, 2 deletions
diff --git a/drivers/infiniband/hw/qib/qib.h b/drivers/infiniband/hw/qib/qib.h index 7e62f4137148..7b1b86690024 100644 --- a/drivers/infiniband/hw/qib/qib.h +++ b/drivers/infiniband/hw/qib/qib.h @@ -1,8 +1,8 @@ #ifndef _QIB_KERNEL_H #define _QIB_KERNEL_H /* - * Copyright (c) 2006, 2007, 2008, 2009, 2010 QLogic Corporation. - * All rights reserved. + * Copyright (c) 2012 Intel Corporation. All rights reserved. + * Copyright (c) 2006 - 2012 QLogic Corporation. All rights reserved. * Copyright (c) 2003, 2004, 2005, 2006 PathScale, Inc. All rights reserved. * * This software is available to you under a choice of one of two @@ -519,6 +519,7 @@ struct qib_pportdata { struct qib_devdata *dd; struct qib_chippport_specific *cpspec; /* chip-specific per-port */ struct kobject pport_kobj; + struct kobject pport_cc_kobj; struct kobject sl2vl_kobj; struct kobject diagc_kobj; @@ -544,6 +545,7 @@ struct qib_pportdata { /* read mostly */ struct qib_sdma_desc *sdma_descq; + struct workqueue_struct *qib_wq; struct qib_sdma_state sdma_state; dma_addr_t sdma_descq_phys; volatile __le64 *sdma_head_dma; /* DMA'ed by chip */ @@ -637,6 +639,39 @@ struct qib_pportdata { struct timer_list led_override_timer; struct xmit_wait cong_stats; struct timer_list symerr_clear_timer; + + /* Synchronize access between driver writes and sysfs reads */ + spinlock_t cc_shadow_lock + ____cacheline_aligned_in_smp; + + /* Shadow copy of the congestion control table */ + struct cc_table_shadow *ccti_entries_shadow; + + /* Shadow copy of the congestion control entries */ + struct ib_cc_congestion_setting_attr_shadow *congestion_entries_shadow; + + /* List of congestion control table entries */ + struct ib_cc_table_entry_shadow *ccti_entries; + + /* 16 congestion entries with each entry corresponding to a SL */ + struct ib_cc_congestion_entry_shadow *congestion_entries; + + /* Maximum number of congestion control entries that the agent expects + * the manager to send. + */ + u16 cc_supported_table_entries; + + /* Total number of congestion control table entries */ + u16 total_cct_entry; + + /* Bit map identifying service level */ + u16 cc_sl_control_map; + + /* maximum congestion control table index */ + u16 ccti_limit; + + /* CA's max number of 64 entry units in the congestion control table */ + u8 cc_max_table_entries; }; /* Observers. Not to be taken lightly, possibly not to ship. */ @@ -1077,6 +1112,7 @@ extern u32 qib_cpulist_count; extern unsigned long *qib_cpulist; extern unsigned qib_wc_pat; +extern unsigned qib_cc_table_size; int qib_init(struct qib_devdata *, int); int init_chip_wc_pat(struct qib_devdata *dd, u32); int qib_enable_wc(struct qib_devdata *dd); @@ -1267,6 +1303,11 @@ int qib_sdma_verbs_send(struct qib_pportdata *, struct qib_sge_state *, /* ppd->sdma_lock should be locked before calling this. */ int qib_sdma_make_progress(struct qib_pportdata *dd); +static inline int qib_sdma_empty(const struct qib_pportdata *ppd) +{ + return ppd->sdma_descq_added == ppd->sdma_descq_removed; +} + /* must be called under qib_sdma_lock */ static inline u16 qib_sdma_descq_freecnt(const struct qib_pportdata *ppd) { |