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Based on 1 normalized pattern(s): this program is free software you can redistribute it and or modify it under the terms of the gnu general public license gpl version 2 as published by the free software foundation this program is distributed in the hope that it will be useful but without any warranty without even the implied warranty of merchantability or fitness for a particular purpose see the gnu general public license for more details extracted by the scancode license scanner the SPDX license identifier GPL-2.0-only has been chosen to replace the boilerplate/reference in 66 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Allison Randal <allison@lohutok.net> Reviewed-by: Alexios Zavras <alexios.zavras@intel.com> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190529141901.606369721@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
170 lines
3.7 KiB
C
170 lines
3.7 KiB
C
// SPDX-License-Identifier: GPL-2.0-only
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/*
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* Copyright (c) 2005-2014 Brocade Communications Systems, Inc.
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* Copyright (c) 2014- QLogic Corporation.
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* All rights reserved
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* www.qlogic.com
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*
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* Linux driver for QLogic BR-series Fibre Channel Host Bus Adapter.
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*/
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#include "bfad_drv.h"
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#include "bfa_modules.h"
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#include "bfi_reg.h"
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BFA_TRC_FILE(HAL, IOCFC_CT);
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/*
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* Dummy interrupt handler for handling spurious interrupt during chip-reinit.
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*/
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static void
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bfa_hwct_msix_dummy(struct bfa_s *bfa, int vec)
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{
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}
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void
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bfa_hwct_reginit(struct bfa_s *bfa)
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{
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struct bfa_iocfc_regs_s *bfa_regs = &bfa->iocfc.bfa_regs;
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void __iomem *kva = bfa_ioc_bar0(&bfa->ioc);
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int fn = bfa_ioc_pcifn(&bfa->ioc);
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if (fn == 0) {
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bfa_regs->intr_status = (kva + HOSTFN0_INT_STATUS);
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bfa_regs->intr_mask = (kva + HOSTFN0_INT_MSK);
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} else {
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bfa_regs->intr_status = (kva + HOSTFN1_INT_STATUS);
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bfa_regs->intr_mask = (kva + HOSTFN1_INT_MSK);
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}
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}
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void
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bfa_hwct2_reginit(struct bfa_s *bfa)
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{
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struct bfa_iocfc_regs_s *bfa_regs = &bfa->iocfc.bfa_regs;
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void __iomem *kva = bfa_ioc_bar0(&bfa->ioc);
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bfa_regs->intr_status = (kva + CT2_HOSTFN_INT_STATUS);
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bfa_regs->intr_mask = (kva + CT2_HOSTFN_INTR_MASK);
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}
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void
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bfa_hwct_reqq_ack(struct bfa_s *bfa, int reqq)
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{
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u32 r32;
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r32 = readl(bfa->iocfc.bfa_regs.cpe_q_ctrl[reqq]);
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writel(r32, bfa->iocfc.bfa_regs.cpe_q_ctrl[reqq]);
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}
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/*
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* Actions to respond RME Interrupt for Catapult ASIC:
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* - Write 1 to Interrupt Status register (INTx only - done in bfa_intx())
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* - Acknowledge by writing to RME Queue Control register
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* - Update CI
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*/
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void
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bfa_hwct_rspq_ack(struct bfa_s *bfa, int rspq, u32 ci)
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{
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u32 r32;
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r32 = readl(bfa->iocfc.bfa_regs.rme_q_ctrl[rspq]);
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writel(r32, bfa->iocfc.bfa_regs.rme_q_ctrl[rspq]);
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bfa_rspq_ci(bfa, rspq) = ci;
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writel(ci, bfa->iocfc.bfa_regs.rme_q_ci[rspq]);
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}
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/*
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* Actions to respond RME Interrupt for Catapult2 ASIC:
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* - Write 1 to Interrupt Status register (INTx only - done in bfa_intx())
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* - Update CI
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*/
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void
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bfa_hwct2_rspq_ack(struct bfa_s *bfa, int rspq, u32 ci)
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{
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bfa_rspq_ci(bfa, rspq) = ci;
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writel(ci, bfa->iocfc.bfa_regs.rme_q_ci[rspq]);
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}
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void
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bfa_hwct_msix_getvecs(struct bfa_s *bfa, u32 *msix_vecs_bmap,
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u32 *num_vecs, u32 *max_vec_bit)
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{
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*msix_vecs_bmap = (1 << BFI_MSIX_CT_MAX) - 1;
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*max_vec_bit = (1 << (BFI_MSIX_CT_MAX - 1));
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*num_vecs = BFI_MSIX_CT_MAX;
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}
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/*
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* Setup MSI-X vector for catapult
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*/
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void
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bfa_hwct_msix_init(struct bfa_s *bfa, int nvecs)
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{
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WARN_ON((nvecs != 1) && (nvecs != BFI_MSIX_CT_MAX));
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bfa_trc(bfa, nvecs);
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bfa->msix.nvecs = nvecs;
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bfa_hwct_msix_uninstall(bfa);
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}
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void
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bfa_hwct_msix_ctrl_install(struct bfa_s *bfa)
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{
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if (bfa->msix.nvecs == 0)
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return;
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if (bfa->msix.nvecs == 1)
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bfa->msix.handler[BFI_MSIX_LPU_ERR_CT] = bfa_msix_all;
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else
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bfa->msix.handler[BFI_MSIX_LPU_ERR_CT] = bfa_msix_lpu_err;
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}
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void
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bfa_hwct_msix_queue_install(struct bfa_s *bfa)
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{
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int i;
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if (bfa->msix.nvecs == 0)
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return;
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if (bfa->msix.nvecs == 1) {
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for (i = BFI_MSIX_CPE_QMIN_CT; i < BFI_MSIX_CT_MAX; i++)
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bfa->msix.handler[i] = bfa_msix_all;
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return;
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}
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for (i = BFI_MSIX_CPE_QMIN_CT; i <= BFI_MSIX_CPE_QMAX_CT; i++)
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bfa->msix.handler[i] = bfa_msix_reqq;
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for (i = BFI_MSIX_RME_QMIN_CT; i <= BFI_MSIX_RME_QMAX_CT; i++)
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bfa->msix.handler[i] = bfa_msix_rspq;
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}
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void
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bfa_hwct_msix_uninstall(struct bfa_s *bfa)
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{
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int i;
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for (i = 0; i < BFI_MSIX_CT_MAX; i++)
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bfa->msix.handler[i] = bfa_hwct_msix_dummy;
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}
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/*
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* Enable MSI-X vectors
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*/
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void
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bfa_hwct_isr_mode_set(struct bfa_s *bfa, bfa_boolean_t msix)
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{
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bfa_trc(bfa, 0);
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bfa_ioc_isr_mode_set(&bfa->ioc, msix);
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}
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void
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bfa_hwct_msix_get_rme_range(struct bfa_s *bfa, u32 *start, u32 *end)
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{
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*start = BFI_MSIX_RME_QMIN_CT;
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*end = BFI_MSIX_RME_QMAX_CT;
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}
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