diff options
Diffstat (limited to 'drivers/scsi/bfa/bfa_hw_ct.c')
-rw-r--r-- | drivers/scsi/bfa/bfa_hw_ct.c | 114 |
1 files changed, 58 insertions, 56 deletions
diff --git a/drivers/scsi/bfa/bfa_hw_ct.c b/drivers/scsi/bfa/bfa_hw_ct.c index 21018d98a07b..637527f48b40 100644 --- a/drivers/scsi/bfa/bfa_hw_ct.c +++ b/drivers/scsi/bfa/bfa_hw_ct.c @@ -17,29 +17,10 @@ #include "bfad_drv.h" #include "bfa_modules.h" -#include "bfi_ctreg.h" +#include "bfi_reg.h" BFA_TRC_FILE(HAL, IOCFC_CT); -static u32 __ct_msix_err_vec_reg[] = { - HOST_MSIX_ERR_INDEX_FN0, - HOST_MSIX_ERR_INDEX_FN1, - HOST_MSIX_ERR_INDEX_FN2, - HOST_MSIX_ERR_INDEX_FN3, -}; - -static void -bfa_hwct_msix_lpu_err_set(struct bfa_s *bfa, bfa_boolean_t msix, int vec) -{ - int fn = bfa_ioc_pcifn(&bfa->ioc); - void __iomem *kva = bfa_ioc_bar0(&bfa->ioc); - - if (msix) - writel(vec, kva + __ct_msix_err_vec_reg[fn]); - else - writel(0, kva + __ct_msix_err_vec_reg[fn]); -} - /* * Dummy interrupt handler for handling spurious interrupt during chip-reinit. */ @@ -53,7 +34,7 @@ bfa_hwct_reginit(struct bfa_s *bfa) { struct bfa_iocfc_regs_s *bfa_regs = &bfa->iocfc.bfa_regs; void __iomem *kva = bfa_ioc_bar0(&bfa->ioc); - int i, q, fn = bfa_ioc_pcifn(&bfa->ioc); + int fn = bfa_ioc_pcifn(&bfa->ioc); if (fn == 0) { bfa_regs->intr_status = (kva + HOSTFN0_INT_STATUS); @@ -62,26 +43,16 @@ bfa_hwct_reginit(struct bfa_s *bfa) bfa_regs->intr_status = (kva + HOSTFN1_INT_STATUS); bfa_regs->intr_mask = (kva + HOSTFN1_INT_MSK); } +} - for (i = 0; i < BFI_IOC_MAX_CQS; i++) { - /* - * CPE registers - */ - q = CPE_Q_NUM(fn, i); - bfa_regs->cpe_q_pi[i] = (kva + CPE_PI_PTR_Q(q << 5)); - bfa_regs->cpe_q_ci[i] = (kva + CPE_CI_PTR_Q(q << 5)); - bfa_regs->cpe_q_depth[i] = (kva + CPE_DEPTH_Q(q << 5)); - bfa_regs->cpe_q_ctrl[i] = (kva + CPE_QCTRL_Q(q << 5)); - - /* - * RME registers - */ - q = CPE_Q_NUM(fn, i); - bfa_regs->rme_q_pi[i] = (kva + RME_PI_PTR_Q(q << 5)); - bfa_regs->rme_q_ci[i] = (kva + RME_CI_PTR_Q(q << 5)); - bfa_regs->rme_q_depth[i] = (kva + RME_DEPTH_Q(q << 5)); - bfa_regs->rme_q_ctrl[i] = (kva + RME_QCTRL_Q(q << 5)); - } +void +bfa_hwct2_reginit(struct bfa_s *bfa) +{ + struct bfa_iocfc_regs_s *bfa_regs = &bfa->iocfc.bfa_regs; + void __iomem *kva = bfa_ioc_bar0(&bfa->ioc); + + bfa_regs->intr_status = (kva + CT2_HOSTFN_INT_STATUS); + bfa_regs->intr_mask = (kva + CT2_HOSTFN_INTR_MASK); } void @@ -93,22 +64,45 @@ 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 bfa_hwct_msix_getvecs(struct bfa_s *bfa, u32 *msix_vecs_bmap, u32 *num_vecs, u32 *max_vec_bit) { - *msix_vecs_bmap = (1 << BFA_MSIX_CT_MAX) - 1; - *max_vec_bit = (1 << (BFA_MSIX_CT_MAX - 1)); - *num_vecs = BFA_MSIX_CT_MAX; + *msix_vecs_bmap = (1 << BFI_MSIX_CT_MAX) - 1; + *max_vec_bit = (1 << (BFI_MSIX_CT_MAX - 1)); + *num_vecs = BFI_MSIX_CT_MAX; } /* @@ -117,7 +111,7 @@ bfa_hwct_msix_getvecs(struct bfa_s *bfa, u32 *msix_vecs_bmap, void bfa_hwct_msix_init(struct bfa_s *bfa, int nvecs) { - WARN_ON((nvecs != 1) && (nvecs != BFA_MSIX_CT_MAX)); + WARN_ON((nvecs != 1) && (nvecs != BFI_MSIX_CT_MAX)); bfa_trc(bfa, nvecs); bfa->msix.nvecs = nvecs; @@ -125,7 +119,19 @@ bfa_hwct_msix_init(struct bfa_s *bfa, int nvecs) } void -bfa_hwct_msix_install(struct bfa_s *bfa) +bfa_hwct_msix_ctrl_install(struct bfa_s *bfa) +{ + if (bfa->msix.nvecs == 0) + return; + + if (bfa->msix.nvecs == 1) + bfa->msix.handler[BFI_MSIX_LPU_ERR_CT] = bfa_msix_all; + else + bfa->msix.handler[BFI_MSIX_LPU_ERR_CT] = bfa_msix_lpu_err; +} + +void +bfa_hwct_msix_queue_install(struct bfa_s *bfa) { int i; @@ -133,19 +139,16 @@ bfa_hwct_msix_install(struct bfa_s *bfa) return; if (bfa->msix.nvecs == 1) { - for (i = 0; i < BFA_MSIX_CT_MAX; i++) + for (i = BFI_MSIX_CPE_QMIN_CT; i < BFI_MSIX_CT_MAX; i++) bfa->msix.handler[i] = bfa_msix_all; return; } - for (i = BFA_MSIX_CPE_Q0; i <= BFA_MSIX_CPE_Q3; i++) + for (i = BFI_MSIX_CPE_QMIN_CT; i <= BFI_MSIX_CPE_QMAX_CT; i++) bfa->msix.handler[i] = bfa_msix_reqq; - for (; i <= BFA_MSIX_RME_Q3; i++) + for (i = BFI_MSIX_RME_QMIN_CT; i <= BFI_MSIX_RME_QMAX_CT; i++) bfa->msix.handler[i] = bfa_msix_rspq; - - WARN_ON(i != BFA_MSIX_LPU_ERR); - bfa->msix.handler[BFA_MSIX_LPU_ERR] = bfa_msix_lpu_err; } void @@ -153,7 +156,7 @@ bfa_hwct_msix_uninstall(struct bfa_s *bfa) { int i; - for (i = 0; i < BFA_MSIX_CT_MAX; i++) + for (i = 0; i < BFI_MSIX_CT_MAX; i++) bfa->msix.handler[i] = bfa_hwct_msix_dummy; } @@ -164,13 +167,12 @@ void bfa_hwct_isr_mode_set(struct bfa_s *bfa, bfa_boolean_t msix) { bfa_trc(bfa, 0); - bfa_hwct_msix_lpu_err_set(bfa, msix, BFA_MSIX_LPU_ERR); bfa_ioc_isr_mode_set(&bfa->ioc, msix); } void bfa_hwct_msix_get_rme_range(struct bfa_s *bfa, u32 *start, u32 *end) { - *start = BFA_MSIX_RME_Q0; - *end = BFA_MSIX_RME_Q3; + *start = BFI_MSIX_RME_QMIN_CT; + *end = BFI_MSIX_RME_QMAX_CT; } |