diff options
| author | Devesh Sharma <devesh.sharma@emulex.com> | 2014-02-04 11:56:56 +0530 |
|---|---|---|
| committer | Roland Dreier <roland@purestorage.com> | 2014-04-03 08:29:40 -0700 |
| commit | 21c3391a9adfaddd00481a1d03bf30fc1304e292 (patch) | |
| tree | 05b9a15f8944b21d79cc32b9879dd272c8ae51e8 /drivers/infiniband/hw/ocrdma/ocrdma.h | |
| parent | 2df84fa87f4d00299031b1335748c54176edfe87 (diff) | |
| download | linux-21c3391a9adfaddd00481a1d03bf30fc1304e292.tar.bz2 | |
RDMA/ocrdma: Read ASIC_ID register to select asic_gen
ocrdma driver selects execution path based on sli_family and asic
generation number. This introduces code to read the asic gen number
from pci register instead of obtaining it from the Emulex NIC driver.
Signed-off-by: Devesh Sharma <devesh.sharma@emulex.com>
Signed-off-by: Selvin Xavier <selvin.xavier@emulex.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
Diffstat (limited to 'drivers/infiniband/hw/ocrdma/ocrdma.h')
| -rw-r--r-- | drivers/infiniband/hw/ocrdma/ocrdma.h | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/drivers/infiniband/hw/ocrdma/ocrdma.h b/drivers/infiniband/hw/ocrdma/ocrdma.h index 1b51e67a26d7..24fe248fb35a 100644 --- a/drivers/infiniband/hw/ocrdma/ocrdma.h +++ b/drivers/infiniband/hw/ocrdma/ocrdma.h @@ -197,6 +197,7 @@ struct ocrdma_dev { int id; struct ocrdma_mr *stag_arr[OCRDMA_MAX_STAG]; u16 pvid; + u32 asic_id; }; struct ocrdma_cq { @@ -443,4 +444,16 @@ static inline int ocrdma_get_eq_table_index(struct ocrdma_dev *dev, return -EINVAL; } +static inline u8 ocrdma_get_asic_type(struct ocrdma_dev *dev) +{ + if (dev->nic_info.dev_family == 0xF && !dev->asic_id) { + pci_read_config_dword( + dev->nic_info.pdev, + OCRDMA_SLI_ASIC_ID_OFFSET, &dev->asic_id); + } + + return (dev->asic_id & OCRDMA_SLI_ASIC_GEN_NUM_MASK) >> + OCRDMA_SLI_ASIC_GEN_NUM_SHIFT; +} + #endif |