diff options
| author |   Hoang-Nam Nguyen <hnguyen@linux.vnet.ibm.com> | 2007-02-15 17:06:33 +0100 |
|---|---|---|
| committer |   Roland Dreier <rolandd@cisco.com> | 2007-02-16 13:57:34 -0800 |
| commit | 78d8d5f9ef8d6179e92b94481cfdfc45d396992f (patch) | |
| tree | 55ee3cecd4c0d59f418b59870cec2ac33b1b70e7 /drivers/infiniband/hw/ehca/ehca_classes.h | |
| parent | IPoIB: Only allow root to change between datagram and connected mode (diff) | |
| download | linux-dev-78d8d5f9ef8d6179e92b94481cfdfc45d396992f.tar.xz linux-dev-78d8d5f9ef8d6179e92b94481cfdfc45d396992f.zip | |
IB/ehca: Rework irq handler
Rework ehca interrupt handling to avoid/reduce missed irq events.
Signed-off-by: Hoang-Nam Nguyen <hnguyen@de.ibm.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
Diffstat (limited to 'drivers/infiniband/hw/ehca/ehca_classes.h')
| -rw-r--r-- | drivers/infiniband/hw/ehca/ehca_classes.h | 18 |
1 files changed, 13 insertions, 5 deletions
diff --git a/drivers/infiniband/hw/ehca/ehca_classes.h b/drivers/infiniband/hw/ehca/ehca_classes.h index cf95ee474b0f..f08ad6f9c132 100644 --- a/drivers/infiniband/hw/ehca/ehca_classes.h +++ b/drivers/infiniband/hw/ehca/ehca_classes.h @@ -42,8 +42,6 @@ #ifndef __EHCA_CLASSES_H__ #define __EHCA_CLASSES_H__ -#include "ehca_classes.h" -#include "ipz_pt_fn.h" struct ehca_module; struct ehca_qp; @@ -54,14 +52,22 @@ struct ehca_mw; struct ehca_pd; struct ehca_av; +#include <rdma/ib_verbs.h> +#include <rdma/ib_user_verbs.h> + #ifdef CONFIG_PPC64 #include "ehca_classes_pSeries.h" #endif +#include "ipz_pt_fn.h" +#include "ehca_qes.h" +#include "ehca_irq.h" -#include <rdma/ib_verbs.h> -#include <rdma/ib_user_verbs.h> +#define EHCA_EQE_CACHE_SIZE 20 -#include "ehca_irq.h" +struct ehca_eqe_cache_entry { + struct ehca_eqe *eqe; + struct ehca_cq *cq; +}; struct ehca_eq { u32 length; @@ -74,6 +80,8 @@ struct ehca_eq { spinlock_t spinlock; struct tasklet_struct interrupt_task; u32 ist; + spinlock_t irq_spinlock; + struct ehca_eqe_cache_entry eqe_cache[EHCA_EQE_CACHE_SIZE]; }; struct ehca_sport { |