diff options
| author | Jayamohan Kallickal <jayamohan.kallickal@emulex.com> | 2014-01-29 02:16:42 -0500 |
|---|---|---|
| committer | James Bottomley <JBottomley@Parallels.com> | 2014-03-15 10:19:10 -0700 |
| commit | e08b3c8b11e9c49ac95cf0fff5bd6cff32de13a4 (patch) | |
| tree | 5c56bfadcafeb354894ee1392b657c3838c890f2 /drivers/scsi/be2iscsi/be_main.c | |
| parent | 3e393172b8efcd412cbfd9c6e72e7c0e681029eb (diff) | |
| download | linux-e08b3c8b11e9c49ac95cf0fff5bd6cff32de13a4.tar.bz2 | |
[SCSI] be2iscsi: Fix doorbell format for EQ/CQ/RQ s per SLI spec.
The doorbel format has been updated to support additonal functionalities
of SKH-R adapter. These changes are made such that older FW also works fine.
Signed-off-by: John Soni Jose <sony.john-n@emulex.com>
Signed-off-by: Jayamohan Kallickal <jayamohan.kallickal@emulex.com>
Reviewed-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
Diffstat (limited to 'drivers/scsi/be2iscsi/be_main.c')
| -rw-r--r-- | drivers/scsi/be2iscsi/be_main.c | 25 |
1 files changed, 22 insertions, 3 deletions
diff --git a/drivers/scsi/be2iscsi/be_main.c b/drivers/scsi/be2iscsi/be_main.c index c8f90cef728d..89c95f1537e8 100644 --- a/drivers/scsi/be2iscsi/be_main.c +++ b/drivers/scsi/be2iscsi/be_main.c @@ -809,14 +809,23 @@ static void hwi_ring_eq_db(struct beiscsi_hba *phba, unsigned char rearm, unsigned char event) { u32 val = 0; - val |= id & DB_EQ_RING_ID_MASK; + if (rearm) val |= 1 << DB_EQ_REARM_SHIFT; if (clr_interrupt) val |= 1 << DB_EQ_CLR_SHIFT; if (event) val |= 1 << DB_EQ_EVNT_SHIFT; + val |= num_processed << DB_EQ_NUM_POPPED_SHIFT; + /* Setting lower order EQ_ID Bits */ + val |= (id & DB_EQ_RING_ID_LOW_MASK); + + /* Setting Higher order EQ_ID Bits */ + val |= (((id >> DB_EQ_HIGH_FEILD_SHIFT) & + DB_EQ_RING_ID_HIGH_MASK) + << DB_EQ_HIGH_SET_SHIFT); + iowrite32(val, phba->db_va + DB_EQ_OFFSET); } @@ -1098,15 +1107,25 @@ free_msix_irqs: return ret; } -static void hwi_ring_cq_db(struct beiscsi_hba *phba, +void hwi_ring_cq_db(struct beiscsi_hba *phba, unsigned int id, unsigned int num_processed, unsigned char rearm, unsigned char event) { u32 val = 0; - val |= id & DB_CQ_RING_ID_MASK; + if (rearm) val |= 1 << DB_CQ_REARM_SHIFT; + val |= num_processed << DB_CQ_NUM_POPPED_SHIFT; + + /* Setting lower order CQ_ID Bits */ + val |= (id & DB_CQ_RING_ID_LOW_MASK); + + /* Setting Higher order CQ_ID Bits */ + val |= (((id >> DB_CQ_HIGH_FEILD_SHIFT) & + DB_CQ_RING_ID_HIGH_MASK) + << DB_CQ_HIGH_SET_SHIFT); + iowrite32(val, phba->db_va + DB_CQ_OFFSET); } |