diff options
| author | Vasanthy Kolluri <vkolluri@cisco.com> | 2011-06-17 07:56:48 +0000 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2011-06-30 20:43:38 -0700 |
| commit | ea7ea65a3b37bf207d5c352ac6254506b3dc3901 (patch) | |
| tree | 5eed17f071404155e7a76f8f3415bf031a4d656a /drivers/net/enic/vnic_intr.h | |
| parent | 3fa2a1df909482cc234524906e4bd30dee3514df (diff) | |
| download | lwn-ea7ea65a3b37bf207d5c352ac6254506b3dc3901.tar.gz lwn-ea7ea65a3b37bf207d5c352ac6254506b3dc3901.zip | |
enic: Add support to configure hardware interrupt coalesce timers in a platform independent way
enic driver and the underlying hardware use different units for representing the interrupt coalesce timer.
Driver converts the interrupt coalesce timer in usec to hardware cycles while setting the relevant hardware
registers. The conversion factor can be different for each of the adapter hardware types. So it is dynamically
learnt from the adapter firmware using the devcmd CMD_INTR_COAL_CONVERT. This allows the driver to configure
the hardware interrupt coalesce timers in a platform independent way.
Signed-off-by: Danny Guo <dannguo@cisco.com>
Signed-off-by: Vasanthy Kolluri <vkolluri@cisco.com>
Signed-off-by: Roopa Prabhu <roprabhu@cisco.com>
Signed-off-by: David Wang <dwang2@cisco.com>
Signed-off-by: David S. Miller <davem@conan.davemloft.net>
Diffstat (limited to 'drivers/net/enic/vnic_intr.h')
| -rw-r--r-- | drivers/net/enic/vnic_intr.h | 6 |
1 files changed, 2 insertions, 4 deletions
diff --git a/drivers/net/enic/vnic_intr.h b/drivers/net/enic/vnic_intr.h index 09dc0b73ff46..2b1636392294 100644 --- a/drivers/net/enic/vnic_intr.h +++ b/drivers/net/enic/vnic_intr.h @@ -24,8 +24,6 @@ #include "vnic_dev.h" -#define VNIC_INTR_TIMER_MAX 0xffff - #define VNIC_INTR_TIMER_TYPE_ABS 0 #define VNIC_INTR_TIMER_TYPE_QUIET 1 @@ -104,10 +102,10 @@ static inline u32 vnic_intr_legacy_pba(u32 __iomem *legacy_pba) void vnic_intr_free(struct vnic_intr *intr); int vnic_intr_alloc(struct vnic_dev *vdev, struct vnic_intr *intr, unsigned int index); -void vnic_intr_init(struct vnic_intr *intr, unsigned int coalescing_timer, +void vnic_intr_init(struct vnic_intr *intr, u32 coalescing_timer, unsigned int coalescing_type, unsigned int mask_on_assertion); void vnic_intr_coalescing_timer_set(struct vnic_intr *intr, - unsigned int coalescing_timer); + u32 coalescing_timer); void vnic_intr_clean(struct vnic_intr *intr); #endif /* _VNIC_INTR_H_ */ |