diff options
| author | Hariprasad Shenai | 2014-12-03 15:02:53 +0100 |
|---|---|---|
| committer | David S. Miller | 2014-12-09 19:32:00 +0100 |
| commit | df64e4d38c904dd3210f097c5e9bb8b036af55c5 (patch) | |
| tree | aed5ee6fa6ceec4589cda0f640d50b02164f4cc3 /drivers/net/ethernet/chelsio/cxgb4/cxgb4.h | |
| parent | cxgb4/cxgb4vf: Add code to calculate T5 BAR2 Offsets for SGE Queue Registers (diff) | |
| download | kernel-qcow2-linux-df64e4d38c904dd3210f097c5e9bb8b036af55c5.tar.gz kernel-qcow2-linux-df64e4d38c904dd3210f097c5e9bb8b036af55c5.tar.xz kernel-qcow2-linux-df64e4d38c904dd3210f097c5e9bb8b036af55c5.zip | |
cxgb4/cxgb4vf: Use new interfaces to calculate BAR2 SGE Queue Register addresses
Use BAR2 Going To Sleep (GTS) for T5 and later. Use new BAR2 User Doorbells for
T5 for both cxgb4 and cxgb4vf driver.
Based on original work by Casey Leedom <leedom@chelsio.com>
Signed-off-by: Hariprasad Shenai <hariprasad@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/chelsio/cxgb4/cxgb4.h')
| -rw-r--r-- | drivers/net/ethernet/chelsio/cxgb4/cxgb4.h | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4.h b/drivers/net/ethernet/chelsio/cxgb4/cxgb4.h index 40905c6866e3..c38a93607ea2 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4.h +++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4.h @@ -438,7 +438,8 @@ struct sge_fl { /* SGE free-buffer queue state */ struct rx_sw_desc *sdesc; /* address of SW Rx descriptor ring */ __be64 *desc; /* address of HW Rx descriptor ring */ dma_addr_t addr; /* bus address of HW ring start */ - u64 udb; /* BAR2 offset of User Doorbell area */ + void __iomem *bar2_addr; /* address of BAR2 Queue registers */ + unsigned int bar2_qid; /* Queue ID for BAR2 Queue registers */ }; /* A packet gather list */ @@ -468,7 +469,8 @@ struct sge_rspq { /* state for an SGE response queue */ u16 abs_id; /* absolute SGE id for the response q */ __be64 *desc; /* address of HW response ring */ dma_addr_t phys_addr; /* physical address of the ring */ - u64 udb; /* BAR2 offset of User Doorbell area */ + void __iomem *bar2_addr; /* address of BAR2 Queue registers */ + unsigned int bar2_qid; /* Queue ID for BAR2 Queue registers */ unsigned int iqe_len; /* entry size */ unsigned int size; /* capacity of response queue */ struct adapter *adap; @@ -526,7 +528,8 @@ struct sge_txq { int db_disabled; unsigned short db_pidx; unsigned short db_pidx_inc; - u64 udb; /* BAR2 offset of User Doorbell area */ + void __iomem *bar2_addr; /* address of BAR2 Queue registers */ + unsigned int bar2_qid; /* Queue ID for BAR2 Queue registers */ }; struct sge_eth_txq { /* state for an SGE Ethernet Tx queue */ |