diff options
Diffstat (limited to 'drivers/scsi/bfa/bfa_hw_ct.c')
| -rw-r--r-- | drivers/scsi/bfa/bfa_hw_ct.c | 25 |
1 files changed, 24 insertions, 1 deletions
diff --git a/drivers/scsi/bfa/bfa_hw_ct.c b/drivers/scsi/bfa/bfa_hw_ct.c index 989bbce9b296..637527f48b40 100644 --- a/drivers/scsi/bfa/bfa_hw_ct.c +++ b/drivers/scsi/bfa/bfa_hw_ct.c @@ -64,13 +64,36 @@ bfa_hwct_reqq_ack(struct bfa_s *bfa, int reqq) writel(r32, bfa->iocfc.bfa_regs.cpe_q_ctrl[reqq]); } +/* + * Actions to respond RME Interrupt for Catapult ASIC: + * - Write 1 to Interrupt Status register (INTx only - done in bfa_intx()) + * - Acknowledge by writing to RME Queue Control register + * - Update CI + */ void -bfa_hwct_rspq_ack(struct bfa_s *bfa, int rspq) +bfa_hwct_rspq_ack(struct bfa_s *bfa, int rspq, u32 ci) { u32 r32; r32 = readl(bfa->iocfc.bfa_regs.rme_q_ctrl[rspq]); writel(r32, bfa->iocfc.bfa_regs.rme_q_ctrl[rspq]); + + bfa_rspq_ci(bfa, rspq) = ci; + writel(ci, bfa->iocfc.bfa_regs.rme_q_ci[rspq]); + mmiowb(); +} + +/* + * Actions to respond RME Interrupt for Catapult2 ASIC: + * - Write 1 to Interrupt Status register (INTx only - done in bfa_intx()) + * - Update CI + */ +void +bfa_hwct2_rspq_ack(struct bfa_s *bfa, int rspq, u32 ci) +{ + bfa_rspq_ci(bfa, rspq) = ci; + writel(ci, bfa->iocfc.bfa_regs.rme_q_ci[rspq]); + mmiowb(); } void |