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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
commit2c3c1048746a4622d8c89a29670120dc8fab93c4 (patch)
tree848558de17fb3008cdf4d861b01ac7781903ce39 /drivers/scsi/bfa/bfa_core.c
parentInitial commit. (diff)
downloadlinux-2c3c1048746a4622d8c89a29670120dc8fab93c4.tar.xz
linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.zip
Adding upstream version 6.1.76.upstream/6.1.76
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/scsi/bfa/bfa_core.c')
-rw-r--r--drivers/scsi/bfa/bfa_core.c2008
1 files changed, 2008 insertions, 0 deletions
diff --git a/drivers/scsi/bfa/bfa_core.c b/drivers/scsi/bfa/bfa_core.c
new file mode 100644
index 000000000..6846ca8f7
--- /dev/null
+++ b/drivers/scsi/bfa/bfa_core.c
@@ -0,0 +1,2008 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Copyright (c) 2005-2014 Brocade Communications Systems, Inc.
+ * Copyright (c) 2014- QLogic Corporation.
+ * All rights reserved
+ * www.qlogic.com
+ *
+ * Linux driver for QLogic BR-series Fibre Channel Host Bus Adapter.
+ */
+
+#include "bfad_drv.h"
+#include "bfa_modules.h"
+#include "bfi_reg.h"
+
+BFA_TRC_FILE(HAL, CORE);
+
+/*
+ * Message handlers for various modules.
+ */
+static bfa_isr_func_t bfa_isrs[BFI_MC_MAX] = {
+ bfa_isr_unhandled, /* NONE */
+ bfa_isr_unhandled, /* BFI_MC_IOC */
+ bfa_fcdiag_intr, /* BFI_MC_DIAG */
+ bfa_isr_unhandled, /* BFI_MC_FLASH */
+ bfa_isr_unhandled, /* BFI_MC_CEE */
+ bfa_fcport_isr, /* BFI_MC_FCPORT */
+ bfa_isr_unhandled, /* BFI_MC_IOCFC */
+ bfa_isr_unhandled, /* BFI_MC_LL */
+ bfa_uf_isr, /* BFI_MC_UF */
+ bfa_fcxp_isr, /* BFI_MC_FCXP */
+ bfa_lps_isr, /* BFI_MC_LPS */
+ bfa_rport_isr, /* BFI_MC_RPORT */
+ bfa_itn_isr, /* BFI_MC_ITN */
+ bfa_isr_unhandled, /* BFI_MC_IOIM_READ */
+ bfa_isr_unhandled, /* BFI_MC_IOIM_WRITE */
+ bfa_isr_unhandled, /* BFI_MC_IOIM_IO */
+ bfa_ioim_isr, /* BFI_MC_IOIM */
+ bfa_ioim_good_comp_isr, /* BFI_MC_IOIM_IOCOM */
+ bfa_tskim_isr, /* BFI_MC_TSKIM */
+ bfa_isr_unhandled, /* BFI_MC_SBOOT */
+ bfa_isr_unhandled, /* BFI_MC_IPFC */
+ bfa_isr_unhandled, /* BFI_MC_PORT */
+ bfa_isr_unhandled, /* --------- */
+ bfa_isr_unhandled, /* --------- */
+ bfa_isr_unhandled, /* --------- */
+ bfa_isr_unhandled, /* --------- */
+ bfa_isr_unhandled, /* --------- */
+ bfa_isr_unhandled, /* --------- */
+ bfa_isr_unhandled, /* --------- */
+ bfa_isr_unhandled, /* --------- */
+ bfa_isr_unhandled, /* --------- */
+ bfa_isr_unhandled, /* --------- */
+};
+/*
+ * Message handlers for mailbox command classes
+ */
+static bfa_ioc_mbox_mcfunc_t bfa_mbox_isrs[BFI_MC_MAX] = {
+ NULL,
+ NULL, /* BFI_MC_IOC */
+ NULL, /* BFI_MC_DIAG */
+ NULL, /* BFI_MC_FLASH */
+ NULL, /* BFI_MC_CEE */
+ NULL, /* BFI_MC_PORT */
+ bfa_iocfc_isr, /* BFI_MC_IOCFC */
+ NULL,
+};
+
+
+
+void
+__bfa_trc(struct bfa_trc_mod_s *trcm, int fileno, int line, u64 data)
+{
+ int tail = trcm->tail;
+ struct bfa_trc_s *trc = &trcm->trc[tail];
+
+ if (trcm->stopped)
+ return;
+
+ trc->fileno = (u16) fileno;
+ trc->line = (u16) line;
+ trc->data.u64 = data;
+ trc->timestamp = BFA_TRC_TS(trcm);
+
+ trcm->tail = (trcm->tail + 1) & (BFA_TRC_MAX - 1);
+ if (trcm->tail == trcm->head)
+ trcm->head = (trcm->head + 1) & (BFA_TRC_MAX - 1);
+}
+
+static void
+bfa_com_port_attach(struct bfa_s *bfa)
+{
+ struct bfa_port_s *port = &bfa->modules.port;
+ struct bfa_mem_dma_s *port_dma = BFA_MEM_PORT_DMA(bfa);
+
+ bfa_port_attach(port, &bfa->ioc, bfa, bfa->trcmod);
+ bfa_port_mem_claim(port, port_dma->kva_curp, port_dma->dma_curp);
+}
+
+/*
+ * ablk module attach
+ */
+static void
+bfa_com_ablk_attach(struct bfa_s *bfa)
+{
+ struct bfa_ablk_s *ablk = &bfa->modules.ablk;
+ struct bfa_mem_dma_s *ablk_dma = BFA_MEM_ABLK_DMA(bfa);
+
+ bfa_ablk_attach(ablk, &bfa->ioc);
+ bfa_ablk_memclaim(ablk, ablk_dma->kva_curp, ablk_dma->dma_curp);
+}
+
+static void
+bfa_com_cee_attach(struct bfa_s *bfa)
+{
+ struct bfa_cee_s *cee = &bfa->modules.cee;
+ struct bfa_mem_dma_s *cee_dma = BFA_MEM_CEE_DMA(bfa);
+
+ cee->trcmod = bfa->trcmod;
+ bfa_cee_attach(cee, &bfa->ioc, bfa);
+ bfa_cee_mem_claim(cee, cee_dma->kva_curp, cee_dma->dma_curp);
+}
+
+static void
+bfa_com_sfp_attach(struct bfa_s *bfa)
+{
+ struct bfa_sfp_s *sfp = BFA_SFP_MOD(bfa);
+ struct bfa_mem_dma_s *sfp_dma = BFA_MEM_SFP_DMA(bfa);
+
+ bfa_sfp_attach(sfp, &bfa->ioc, bfa, bfa->trcmod);
+ bfa_sfp_memclaim(sfp, sfp_dma->kva_curp, sfp_dma->dma_curp);
+}
+
+static void
+bfa_com_flash_attach(struct bfa_s *bfa, bfa_boolean_t mincfg)
+{
+ struct bfa_flash_s *flash = BFA_FLASH(bfa);
+ struct bfa_mem_dma_s *flash_dma = BFA_MEM_FLASH_DMA(bfa);
+
+ bfa_flash_attach(flash, &bfa->ioc, bfa, bfa->trcmod, mincfg);
+ bfa_flash_memclaim(flash, flash_dma->kva_curp,
+ flash_dma->dma_curp, mincfg);
+}
+
+static void
+bfa_com_diag_attach(struct bfa_s *bfa)
+{
+ struct bfa_diag_s *diag = BFA_DIAG_MOD(bfa);
+ struct bfa_mem_dma_s *diag_dma = BFA_MEM_DIAG_DMA(bfa);
+
+ bfa_diag_attach(diag, &bfa->ioc, bfa, bfa_fcport_beacon, bfa->trcmod);
+ bfa_diag_memclaim(diag, diag_dma->kva_curp, diag_dma->dma_curp);
+}
+
+static void
+bfa_com_phy_attach(struct bfa_s *bfa, bfa_boolean_t mincfg)
+{
+ struct bfa_phy_s *phy = BFA_PHY(bfa);
+ struct bfa_mem_dma_s *phy_dma = BFA_MEM_PHY_DMA(bfa);
+
+ bfa_phy_attach(phy, &bfa->ioc, bfa, bfa->trcmod, mincfg);
+ bfa_phy_memclaim(phy, phy_dma->kva_curp, phy_dma->dma_curp, mincfg);
+}
+
+static void
+bfa_com_fru_attach(struct bfa_s *bfa, bfa_boolean_t mincfg)
+{
+ struct bfa_fru_s *fru = BFA_FRU(bfa);
+ struct bfa_mem_dma_s *fru_dma = BFA_MEM_FRU_DMA(bfa);
+
+ bfa_fru_attach(fru, &bfa->ioc, bfa, bfa->trcmod, mincfg);
+ bfa_fru_memclaim(fru, fru_dma->kva_curp, fru_dma->dma_curp, mincfg);
+}
+
+/*
+ * BFA IOC FC related definitions
+ */
+
+/*
+ * IOC local definitions
+ */
+#define BFA_IOCFC_TOV 5000 /* msecs */
+
+enum {
+ BFA_IOCFC_ACT_NONE = 0,
+ BFA_IOCFC_ACT_INIT = 1,
+ BFA_IOCFC_ACT_STOP = 2,
+ BFA_IOCFC_ACT_DISABLE = 3,
+ BFA_IOCFC_ACT_ENABLE = 4,
+};
+
+#define DEF_CFG_NUM_FABRICS 1
+#define DEF_CFG_NUM_LPORTS 256
+#define DEF_CFG_NUM_CQS 4
+#define DEF_CFG_NUM_IOIM_REQS (BFA_IOIM_MAX)
+#define DEF_CFG_NUM_TSKIM_REQS 128
+#define DEF_CFG_NUM_FCXP_REQS 64
+#define DEF_CFG_NUM_UF_BUFS 64
+#define DEF_CFG_NUM_RPORTS 1024
+#define DEF_CFG_NUM_ITNIMS (DEF_CFG_NUM_RPORTS)
+#define DEF_CFG_NUM_TINS 256
+
+#define DEF_CFG_NUM_SGPGS 2048
+#define DEF_CFG_NUM_REQQ_ELEMS 256
+#define DEF_CFG_NUM_RSPQ_ELEMS 64
+#define DEF_CFG_NUM_SBOOT_TGTS 16
+#define DEF_CFG_NUM_SBOOT_LUNS 16
+
+/*
+ * IOCFC state machine definitions/declarations
+ */
+bfa_fsm_state_decl(bfa_iocfc, stopped, struct bfa_iocfc_s, enum iocfc_event);
+bfa_fsm_state_decl(bfa_iocfc, initing, struct bfa_iocfc_s, enum iocfc_event);
+bfa_fsm_state_decl(bfa_iocfc, dconf_read, struct bfa_iocfc_s, enum iocfc_event);
+bfa_fsm_state_decl(bfa_iocfc, init_cfg_wait,
+ struct bfa_iocfc_s, enum iocfc_event);
+bfa_fsm_state_decl(bfa_iocfc, init_cfg_done,
+ struct bfa_iocfc_s, enum iocfc_event);
+bfa_fsm_state_decl(bfa_iocfc, operational,
+ struct bfa_iocfc_s, enum iocfc_event);
+bfa_fsm_state_decl(bfa_iocfc, dconf_write,
+ struct bfa_iocfc_s, enum iocfc_event);
+bfa_fsm_state_decl(bfa_iocfc, stopping, struct bfa_iocfc_s, enum iocfc_event);
+bfa_fsm_state_decl(bfa_iocfc, enabling, struct bfa_iocfc_s, enum iocfc_event);
+bfa_fsm_state_decl(bfa_iocfc, cfg_wait, struct bfa_iocfc_s, enum iocfc_event);
+bfa_fsm_state_decl(bfa_iocfc, disabling, struct bfa_iocfc_s, enum iocfc_event);
+bfa_fsm_state_decl(bfa_iocfc, disabled, struct bfa_iocfc_s, enum iocfc_event);
+bfa_fsm_state_decl(bfa_iocfc, failed, struct bfa_iocfc_s, enum iocfc_event);
+bfa_fsm_state_decl(bfa_iocfc, init_failed,
+ struct bfa_iocfc_s, enum iocfc_event);
+
+/*
+ * forward declaration for IOC FC functions
+ */
+static void bfa_iocfc_start_submod(struct bfa_s *bfa);
+static void bfa_iocfc_disable_submod(struct bfa_s *bfa);
+static void bfa_iocfc_send_cfg(void *bfa_arg);
+static void bfa_iocfc_enable_cbfn(void *bfa_arg, enum bfa_status status);
+static void bfa_iocfc_disable_cbfn(void *bfa_arg);
+static void bfa_iocfc_hbfail_cbfn(void *bfa_arg);
+static void bfa_iocfc_reset_cbfn(void *bfa_arg);
+static struct bfa_ioc_cbfn_s bfa_iocfc_cbfn;
+static void bfa_iocfc_init_cb(void *bfa_arg, bfa_boolean_t complete);
+static void bfa_iocfc_stop_cb(void *bfa_arg, bfa_boolean_t compl);
+static void bfa_iocfc_enable_cb(void *bfa_arg, bfa_boolean_t compl);
+static void bfa_iocfc_disable_cb(void *bfa_arg, bfa_boolean_t compl);
+
+static void
+bfa_iocfc_sm_stopped_entry(struct bfa_iocfc_s *iocfc)
+{
+}
+
+static void
+bfa_iocfc_sm_stopped(struct bfa_iocfc_s *iocfc, enum iocfc_event event)
+{
+ bfa_trc(iocfc->bfa, event);
+
+ switch (event) {
+ case IOCFC_E_INIT:
+ case IOCFC_E_ENABLE:
+ bfa_fsm_set_state(iocfc, bfa_iocfc_sm_initing);
+ break;
+ default:
+ bfa_sm_fault(iocfc->bfa, event);
+ break;
+ }
+}
+
+static void
+bfa_iocfc_sm_initing_entry(struct bfa_iocfc_s *iocfc)
+{
+ bfa_ioc_enable(&iocfc->bfa->ioc);
+}
+
+static void
+bfa_iocfc_sm_initing(struct bfa_iocfc_s *iocfc, enum iocfc_event event)
+{
+ bfa_trc(iocfc->bfa, event);
+
+ switch (event) {
+ case IOCFC_E_IOC_ENABLED:
+ bfa_fsm_set_state(iocfc, bfa_iocfc_sm_dconf_read);
+ break;
+
+ case IOCFC_E_DISABLE:
+ bfa_fsm_set_state(iocfc, bfa_iocfc_sm_disabling);
+ break;
+
+ case IOCFC_E_STOP:
+ bfa_fsm_set_state(iocfc, bfa_iocfc_sm_stopping);
+ break;
+
+ case IOCFC_E_IOC_FAILED:
+ bfa_fsm_set_state(iocfc, bfa_iocfc_sm_init_failed);
+ break;
+ default:
+ bfa_sm_fault(iocfc->bfa, event);
+ break;
+ }
+}
+
+static void
+bfa_iocfc_sm_dconf_read_entry(struct bfa_iocfc_s *iocfc)
+{
+ bfa_dconf_modinit(iocfc->bfa);
+}
+
+static void
+bfa_iocfc_sm_dconf_read(struct bfa_iocfc_s *iocfc, enum iocfc_event event)
+{
+ bfa_trc(iocfc->bfa, event);
+
+ switch (event) {
+ case IOCFC_E_DCONF_DONE:
+ bfa_fsm_set_state(iocfc, bfa_iocfc_sm_init_cfg_wait);
+ break;
+
+ case IOCFC_E_DISABLE:
+ bfa_fsm_set_state(iocfc, bfa_iocfc_sm_disabling);
+ break;
+
+ case IOCFC_E_STOP:
+ bfa_fsm_set_state(iocfc, bfa_iocfc_sm_stopping);
+ break;
+
+ case IOCFC_E_IOC_FAILED:
+ bfa_fsm_set_state(iocfc, bfa_iocfc_sm_init_failed);
+ break;
+ default:
+ bfa_sm_fault(iocfc->bfa, event);
+ break;
+ }
+}
+
+static void
+bfa_iocfc_sm_init_cfg_wait_entry(struct bfa_iocfc_s *iocfc)
+{
+ bfa_iocfc_send_cfg(iocfc->bfa);
+}
+
+static void
+bfa_iocfc_sm_init_cfg_wait(struct bfa_iocfc_s *iocfc, enum iocfc_event event)
+{
+ bfa_trc(iocfc->bfa, event);
+
+ switch (event) {
+ case IOCFC_E_CFG_DONE:
+ bfa_fsm_set_state(iocfc, bfa_iocfc_sm_init_cfg_done);
+ break;
+
+ case IOCFC_E_DISABLE:
+ bfa_fsm_set_state(iocfc, bfa_iocfc_sm_disabling);
+ break;
+
+ case IOCFC_E_STOP:
+ bfa_fsm_set_state(iocfc, bfa_iocfc_sm_stopping);
+ break;
+
+ case IOCFC_E_IOC_FAILED:
+ bfa_fsm_set_state(iocfc, bfa_iocfc_sm_init_failed);
+ break;
+ default:
+ bfa_sm_fault(iocfc->bfa, event);
+ break;
+ }
+}
+
+static void
+bfa_iocfc_sm_init_cfg_done_entry(struct bfa_iocfc_s *iocfc)
+{
+ iocfc->bfa->iocfc.op_status = BFA_STATUS_OK;
+ bfa_cb_queue(iocfc->bfa, &iocfc->bfa->iocfc.init_hcb_qe,
+ bfa_iocfc_init_cb, iocfc->bfa);
+}
+
+static void
+bfa_iocfc_sm_init_cfg_done(struct bfa_iocfc_s *iocfc, enum iocfc_event event)
+{
+ bfa_trc(iocfc->bfa, event);
+
+ switch (event) {
+ case IOCFC_E_START:
+ bfa_fsm_set_state(iocfc, bfa_iocfc_sm_operational);
+ break;
+ case IOCFC_E_STOP:
+ bfa_fsm_set_state(iocfc, bfa_iocfc_sm_stopping);
+ break;
+ case IOCFC_E_DISABLE:
+ bfa_fsm_set_state(iocfc, bfa_iocfc_sm_disabling);
+ break;
+ case IOCFC_E_IOC_FAILED:
+ bfa_fsm_set_state(iocfc, bfa_iocfc_sm_failed);
+ break;
+ default:
+ bfa_sm_fault(iocfc->bfa, event);
+ break;
+ }
+}
+
+static void
+bfa_iocfc_sm_operational_entry(struct bfa_iocfc_s *iocfc)
+{
+ bfa_fcport_init(iocfc->bfa);
+ bfa_iocfc_start_submod(iocfc->bfa);
+}
+
+static void
+bfa_iocfc_sm_operational(struct bfa_iocfc_s *iocfc, enum iocfc_event event)
+{
+ bfa_trc(iocfc->bfa, event);
+
+ switch (event) {
+ case IOCFC_E_STOP:
+ bfa_fsm_set_state(iocfc, bfa_iocfc_sm_dconf_write);
+ break;
+ case IOCFC_E_DISABLE:
+ bfa_fsm_set_state(iocfc, bfa_iocfc_sm_disabling);
+ break;
+ case IOCFC_E_IOC_FAILED:
+ bfa_fsm_set_state(iocfc, bfa_iocfc_sm_failed);
+ break;
+ default:
+ bfa_sm_fault(iocfc->bfa, event);
+ break;
+ }
+}
+
+static void
+bfa_iocfc_sm_dconf_write_entry(struct bfa_iocfc_s *iocfc)
+{
+ bfa_dconf_modexit(iocfc->bfa);
+}
+
+static void
+bfa_iocfc_sm_dconf_write(struct bfa_iocfc_s *iocfc, enum iocfc_event event)
+{
+ bfa_trc(iocfc->bfa, event);
+
+ switch (event) {
+ case IOCFC_E_DCONF_DONE:
+ case IOCFC_E_IOC_FAILED:
+ bfa_fsm_set_state(iocfc, bfa_iocfc_sm_stopping);
+ break;
+ default:
+ bfa_sm_fault(iocfc->bfa, event);
+ break;
+ }
+}
+
+static void
+bfa_iocfc_sm_stopping_entry(struct bfa_iocfc_s *iocfc)
+{
+ bfa_ioc_disable(&iocfc->bfa->ioc);
+}
+
+static void
+bfa_iocfc_sm_stopping(struct bfa_iocfc_s *iocfc, enum iocfc_event event)
+{
+ bfa_trc(iocfc->bfa, event);
+
+ switch (event) {
+ case IOCFC_E_IOC_DISABLED:
+ bfa_isr_disable(iocfc->bfa);
+ bfa_iocfc_disable_submod(iocfc->bfa);
+ bfa_fsm_set_state(iocfc, bfa_iocfc_sm_stopped);
+ iocfc->bfa->iocfc.op_status = BFA_STATUS_OK;
+ bfa_cb_queue(iocfc->bfa, &iocfc->bfa->iocfc.stop_hcb_qe,
+ bfa_iocfc_stop_cb, iocfc->bfa);
+ break;
+
+ case IOCFC_E_IOC_ENABLED:
+ case IOCFC_E_DCONF_DONE:
+ case IOCFC_E_CFG_DONE:
+ break;
+
+ default:
+ bfa_sm_fault(iocfc->bfa, event);
+ break;
+ }
+}
+
+static void
+bfa_iocfc_sm_enabling_entry(struct bfa_iocfc_s *iocfc)
+{
+ bfa_ioc_enable(&iocfc->bfa->ioc);
+}
+
+static void
+bfa_iocfc_sm_enabling(struct bfa_iocfc_s *iocfc, enum iocfc_event event)
+{
+ bfa_trc(iocfc->bfa, event);
+
+ switch (event) {
+ case IOCFC_E_IOC_ENABLED:
+ bfa_fsm_set_state(iocfc, bfa_iocfc_sm_cfg_wait);
+ break;
+
+ case IOCFC_E_DISABLE:
+ bfa_fsm_set_state(iocfc, bfa_iocfc_sm_disabling);
+ break;
+
+ case IOCFC_E_STOP:
+ bfa_fsm_set_state(iocfc, bfa_iocfc_sm_dconf_write);
+ break;
+
+ case IOCFC_E_IOC_FAILED:
+ bfa_fsm_set_state(iocfc, bfa_iocfc_sm_failed);
+
+ if (iocfc->bfa->iocfc.cb_reqd == BFA_FALSE)
+ break;
+
+ iocfc->bfa->iocfc.op_status = BFA_STATUS_FAILED;
+ bfa_cb_queue(iocfc->bfa, &iocfc->bfa->iocfc.en_hcb_qe,
+ bfa_iocfc_enable_cb, iocfc->bfa);
+ iocfc->bfa->iocfc.cb_reqd = BFA_FALSE;
+ break;
+ default:
+ bfa_sm_fault(iocfc->bfa, event);
+ break;
+ }
+}
+
+static void
+bfa_iocfc_sm_cfg_wait_entry(struct bfa_iocfc_s *iocfc)
+{
+ bfa_iocfc_send_cfg(iocfc->bfa);
+}
+
+static void
+bfa_iocfc_sm_cfg_wait(struct bfa_iocfc_s *iocfc, enum iocfc_event event)
+{
+ bfa_trc(iocfc->bfa, event);
+
+ switch (event) {
+ case IOCFC_E_CFG_DONE:
+ bfa_fsm_set_state(iocfc, bfa_iocfc_sm_operational);
+ if (iocfc->bfa->iocfc.cb_reqd == BFA_FALSE)
+ break;
+
+ iocfc->bfa->iocfc.op_status = BFA_STATUS_OK;
+ bfa_cb_queue(iocfc->bfa, &iocfc->bfa->iocfc.en_hcb_qe,
+ bfa_iocfc_enable_cb, iocfc->bfa);
+ iocfc->bfa->iocfc.cb_reqd = BFA_FALSE;
+ break;
+ case IOCFC_E_DISABLE:
+ bfa_fsm_set_state(iocfc, bfa_iocfc_sm_disabling);
+ break;
+
+ case IOCFC_E_STOP:
+ bfa_fsm_set_state(iocfc, bfa_iocfc_sm_dconf_write);
+ break;
+ case IOCFC_E_IOC_FAILED:
+ bfa_fsm_set_state(iocfc, bfa_iocfc_sm_failed);
+ if (iocfc->bfa->iocfc.cb_reqd == BFA_FALSE)
+ break;
+
+ iocfc->bfa->iocfc.op_status = BFA_STATUS_FAILED;
+ bfa_cb_queue(iocfc->bfa, &iocfc->bfa->iocfc.en_hcb_qe,
+ bfa_iocfc_enable_cb, iocfc->bfa);
+ iocfc->bfa->iocfc.cb_reqd = BFA_FALSE;
+ break;
+ default:
+ bfa_sm_fault(iocfc->bfa, event);
+ break;
+ }
+}
+
+static void
+bfa_iocfc_sm_disabling_entry(struct bfa_iocfc_s *iocfc)
+{
+ bfa_ioc_disable(&iocfc->bfa->ioc);
+}
+
+static void
+bfa_iocfc_sm_disabling(struct bfa_iocfc_s *iocfc, enum iocfc_event event)
+{
+ bfa_trc(iocfc->bfa, event);
+
+ switch (event) {
+ case IOCFC_E_IOC_DISABLED:
+ bfa_fsm_set_state(iocfc, bfa_iocfc_sm_disabled);
+ break;
+ case IOCFC_E_IOC_ENABLED:
+ case IOCFC_E_DCONF_DONE:
+ case IOCFC_E_CFG_DONE:
+ break;
+ default:
+ bfa_sm_fault(iocfc->bfa, event);
+ break;
+ }
+}
+
+static void
+bfa_iocfc_sm_disabled_entry(struct bfa_iocfc_s *iocfc)
+{
+ bfa_isr_disable(iocfc->bfa);
+ bfa_iocfc_disable_submod(iocfc->bfa);
+ iocfc->bfa->iocfc.op_status = BFA_STATUS_OK;
+ bfa_cb_queue(iocfc->bfa, &iocfc->bfa->iocfc.dis_hcb_qe,
+ bfa_iocfc_disable_cb, iocfc->bfa);
+}
+
+static void
+bfa_iocfc_sm_disabled(struct bfa_iocfc_s *iocfc, enum iocfc_event event)
+{
+ bfa_trc(iocfc->bfa, event);
+
+ switch (event) {
+ case IOCFC_E_STOP:
+ bfa_fsm_set_state(iocfc, bfa_iocfc_sm_dconf_write);
+ break;
+ case IOCFC_E_ENABLE:
+ bfa_fsm_set_state(iocfc, bfa_iocfc_sm_enabling);
+ break;
+ default:
+ bfa_sm_fault(iocfc->bfa, event);
+ break;
+ }
+}
+
+static void
+bfa_iocfc_sm_failed_entry(struct bfa_iocfc_s *iocfc)
+{
+ bfa_isr_disable(iocfc->bfa);
+ bfa_iocfc_disable_submod(iocfc->bfa);
+}
+
+static void
+bfa_iocfc_sm_failed(struct bfa_iocfc_s *iocfc, enum iocfc_event event)
+{
+ bfa_trc(iocfc->bfa, event);
+
+ switch (event) {
+ case IOCFC_E_STOP:
+ bfa_fsm_set_state(iocfc, bfa_iocfc_sm_dconf_write);
+ break;
+ case IOCFC_E_DISABLE:
+ bfa_fsm_set_state(iocfc, bfa_iocfc_sm_disabling);
+ break;
+ case IOCFC_E_IOC_ENABLED:
+ bfa_fsm_set_state(iocfc, bfa_iocfc_sm_cfg_wait);
+ break;
+ case IOCFC_E_IOC_FAILED:
+ break;
+ default:
+ bfa_sm_fault(iocfc->bfa, event);
+ break;
+ }
+}
+
+static void
+bfa_iocfc_sm_init_failed_entry(struct bfa_iocfc_s *iocfc)
+{
+ bfa_isr_disable(iocfc->bfa);
+ iocfc->bfa->iocfc.op_status = BFA_STATUS_FAILED;
+ bfa_cb_queue(iocfc->bfa, &iocfc->bfa->iocfc.init_hcb_qe,
+ bfa_iocfc_init_cb, iocfc->bfa);
+}
+
+static void
+bfa_iocfc_sm_init_failed(struct bfa_iocfc_s *iocfc, enum iocfc_event event)
+{
+ bfa_trc(iocfc->bfa, event);
+
+ switch (event) {
+ case IOCFC_E_STOP:
+ bfa_fsm_set_state(iocfc, bfa_iocfc_sm_stopping);
+ break;
+ case IOCFC_E_DISABLE:
+ bfa_ioc_disable(&iocfc->bfa->ioc);
+ break;
+ case IOCFC_E_IOC_ENABLED:
+ bfa_fsm_set_state(iocfc, bfa_iocfc_sm_dconf_read);
+ break;
+ case IOCFC_E_IOC_DISABLED:
+ bfa_fsm_set_state(iocfc, bfa_iocfc_sm_stopped);
+ iocfc->bfa->iocfc.op_status = BFA_STATUS_OK;
+ bfa_cb_queue(iocfc->bfa, &iocfc->bfa->iocfc.dis_hcb_qe,
+ bfa_iocfc_disable_cb, iocfc->bfa);
+ break;
+ case IOCFC_E_IOC_FAILED:
+ break;
+ default:
+ bfa_sm_fault(iocfc->bfa, event);
+ break;
+ }
+}
+
+/*
+ * BFA Interrupt handling functions
+ */
+static void
+bfa_reqq_resume(struct bfa_s *bfa, int qid)
+{
+ struct list_head *waitq, *qe, *qen;
+ struct bfa_reqq_wait_s *wqe;
+
+ waitq = bfa_reqq(bfa, qid);
+ list_for_each_safe(qe, qen, waitq) {
+ /*
+ * Callback only as long as there is room in request queue
+ */
+ if (bfa_reqq_full(bfa, qid))
+ break;
+
+ list_del(qe);
+ wqe = (struct bfa_reqq_wait_s *) qe;
+ wqe->qresume(wqe->cbarg);
+ }
+}
+
+static bfa_boolean_t
+bfa_isr_rspq(struct bfa_s *bfa, int qid)
+{
+ struct bfi_msg_s *m;
+ u32 pi, ci;
+ struct list_head *waitq;
+ bfa_boolean_t ret;
+
+ ci = bfa_rspq_ci(bfa, qid);
+ pi = bfa_rspq_pi(bfa, qid);
+
+ ret = (ci != pi);
+
+ while (ci != pi) {
+ m = bfa_rspq_elem(bfa, qid, ci);
+ WARN_ON(m->mhdr.msg_class >= BFI_MC_MAX);
+
+ bfa_isrs[m->mhdr.msg_class] (bfa, m);
+ CQ_INCR(ci, bfa->iocfc.cfg.drvcfg.num_rspq_elems);
+ }
+
+ /*
+ * acknowledge RME completions and update CI
+ */
+ bfa_isr_rspq_ack(bfa, qid, ci);
+
+ /*
+ * Resume any pending requests in the corresponding reqq.
+ */
+ waitq = bfa_reqq(bfa, qid);
+ if (!list_empty(waitq))
+ bfa_reqq_resume(bfa, qid);
+
+ return ret;
+}
+
+static inline void
+bfa_isr_reqq(struct bfa_s *bfa, int qid)
+{
+ struct list_head *waitq;
+
+ bfa_isr_reqq_ack(bfa, qid);
+
+ /*
+ * Resume any pending requests in the corresponding reqq.
+ */
+ waitq = bfa_reqq(bfa, qid);
+ if (!list_empty(waitq))
+ bfa_reqq_resume(bfa, qid);
+}
+
+void
+bfa_msix_all(struct bfa_s *bfa, int vec)
+{
+ u32 intr, qintr;
+ int queue;
+
+ intr = readl(bfa->iocfc.bfa_regs.intr_status);
+ if (!intr)
+ return;
+
+ /*
+ * RME completion queue interrupt
+ */
+ qintr = intr & __HFN_INT_RME_MASK;
+ if (qintr && bfa->queue_process) {
+ for (queue = 0; queue < BFI_IOC_MAX_CQS; queue++)
+ bfa_isr_rspq(bfa, queue);
+ }
+
+ intr &= ~qintr;
+ if (!intr)
+ return;
+
+ /*
+ * CPE completion queue interrupt
+ */
+ qintr = intr & __HFN_INT_CPE_MASK;
+ if (qintr && bfa->queue_process) {
+ for (queue = 0; queue < BFI_IOC_MAX_CQS; queue++)
+ bfa_isr_reqq(bfa, queue);
+ }
+ intr &= ~qintr;
+ if (!intr)
+ return;
+
+ bfa_msix_lpu_err(bfa, intr);
+}
+
+bfa_boolean_t
+bfa_intx(struct bfa_s *bfa)
+{
+ u32 intr, qintr;
+ int queue;
+ bfa_boolean_t rspq_comp = BFA_FALSE;
+
+ intr = readl(bfa->iocfc.bfa_regs.intr_status);
+
+ qintr = intr & (__HFN_INT_RME_MASK | __HFN_INT_CPE_MASK);
+ if (qintr)
+ writel(qintr, bfa->iocfc.bfa_regs.intr_status);
+
+ /*
+ * Unconditional RME completion queue interrupt
+ */
+ if (bfa->queue_process) {
+ for (queue = 0; queue < BFI_IOC_MAX_CQS; queue++)
+ if (bfa_isr_rspq(bfa, queue))
+ rspq_comp = BFA_TRUE;
+ }
+
+ if (!intr)
+ return (qintr | rspq_comp) ? BFA_TRUE : BFA_FALSE;
+
+ /*
+ * CPE completion queue interrupt
+ */
+ qintr = intr & __HFN_INT_CPE_MASK;
+ if (qintr && bfa->queue_process) {
+ for (queue = 0; queue < BFI_IOC_MAX_CQS; queue++)
+ bfa_isr_reqq(bfa, queue);
+ }
+ intr &= ~qintr;
+ if (!intr)
+ return BFA_TRUE;
+
+ if (bfa->intr_enabled)
+ bfa_msix_lpu_err(bfa, intr);
+
+ return BFA_TRUE;
+}
+
+void
+bfa_isr_enable(struct bfa_s *bfa)
+{
+ u32 umsk;
+ int port_id = bfa_ioc_portid(&bfa->ioc);
+
+ bfa_trc(bfa, bfa_ioc_pcifn(&bfa->ioc));
+ bfa_trc(bfa, port_id);
+
+ bfa_msix_ctrl_install(bfa);
+
+ if (bfa_asic_id_ct2(bfa->ioc.pcidev.device_id)) {
+ umsk = __HFN_INT_ERR_MASK_CT2;
+ umsk |= port_id == 0 ?
+ __HFN_INT_FN0_MASK_CT2 : __HFN_INT_FN1_MASK_CT2;
+ } else {
+ umsk = __HFN_INT_ERR_MASK;
+ umsk |= port_id == 0 ? __HFN_INT_FN0_MASK : __HFN_INT_FN1_MASK;
+ }
+
+ writel(umsk, bfa->iocfc.bfa_regs.intr_status);
+ writel(~umsk, bfa->iocfc.bfa_regs.intr_mask);
+ bfa->iocfc.intr_mask = ~umsk;
+ bfa_isr_mode_set(bfa, bfa->msix.nvecs != 0);
+
+ /*
+ * Set the flag indicating successful enabling of interrupts
+ */
+ bfa->intr_enabled = BFA_TRUE;
+}
+
+void
+bfa_isr_disable(struct bfa_s *bfa)
+{
+ bfa->intr_enabled = BFA_FALSE;
+ bfa_isr_mode_set(bfa, BFA_FALSE);
+ writel(-1L, bfa->iocfc.bfa_regs.intr_mask);
+ bfa_msix_uninstall(bfa);
+}
+
+void
+bfa_msix_reqq(struct bfa_s *bfa, int vec)
+{
+ bfa_isr_reqq(bfa, vec - bfa->iocfc.hwif.cpe_vec_q0);
+}
+
+void
+bfa_isr_unhandled(struct bfa_s *bfa, struct bfi_msg_s *m)
+{
+ bfa_trc(bfa, m->mhdr.msg_class);
+ bfa_trc(bfa, m->mhdr.msg_id);
+ bfa_trc(bfa, m->mhdr.mtag.i2htok);
+ WARN_ON(1);
+ bfa_trc_stop(bfa->trcmod);
+}
+
+void
+bfa_msix_rspq(struct bfa_s *bfa, int vec)
+{
+ bfa_isr_rspq(bfa, vec - bfa->iocfc.hwif.rme_vec_q0);
+}
+
+void
+bfa_msix_lpu_err(struct bfa_s *bfa, int vec)
+{
+ u32 intr, curr_value;
+ bfa_boolean_t lpu_isr, halt_isr, pss_isr;
+
+ intr = readl(bfa->iocfc.bfa_regs.intr_status);
+
+ if (bfa_asic_id_ct2(bfa->ioc.pcidev.device_id)) {
+ halt_isr = intr & __HFN_INT_CPQ_HALT_CT2;
+ pss_isr = intr & __HFN_INT_ERR_PSS_CT2;
+ lpu_isr = intr & (__HFN_INT_MBOX_LPU0_CT2 |
+ __HFN_INT_MBOX_LPU1_CT2);
+ intr &= __HFN_INT_ERR_MASK_CT2;
+ } else {
+ halt_isr = bfa_asic_id_ct(bfa->ioc.pcidev.device_id) ?
+ (intr & __HFN_INT_LL_HALT) : 0;
+ pss_isr = intr & __HFN_INT_ERR_PSS;
+ lpu_isr = intr & (__HFN_INT_MBOX_LPU0 | __HFN_INT_MBOX_LPU1);
+ intr &= __HFN_INT_ERR_MASK;
+ }
+
+ if (lpu_isr)
+ bfa_ioc_mbox_isr(&bfa->ioc);
+
+ if (intr) {
+ if (halt_isr) {
+ /*
+ * If LL_HALT bit is set then FW Init Halt LL Port
+ * Register needs to be cleared as well so Interrupt
+ * Status Register will be cleared.
+ */
+ curr_value = readl(bfa->ioc.ioc_regs.ll_halt);
+ curr_value &= ~__FW_INIT_HALT_P;
+ writel(curr_value, bfa->ioc.ioc_regs.ll_halt);
+ }
+
+ if (pss_isr) {
+ /*
+ * ERR_PSS bit needs to be cleared as well in case
+ * interrups are shared so driver's interrupt handler is
+ * still called even though it is already masked out.
+ */
+ curr_value = readl(
+ bfa->ioc.ioc_regs.pss_err_status_reg);
+ writel(curr_value,
+ bfa->ioc.ioc_regs.pss_err_status_reg);
+ }
+
+ writel(intr, bfa->iocfc.bfa_regs.intr_status);
+ bfa_ioc_error_isr(&bfa->ioc);
+ }
+}
+
+/*
+ * BFA IOC FC related functions
+ */
+
+/*
+ * BFA IOC private functions
+ */
+
+/*
+ * Use the Mailbox interface to send BFI_IOCFC_H2I_CFG_REQ
+ */
+static void
+bfa_iocfc_send_cfg(void *bfa_arg)
+{
+ struct bfa_s *bfa = bfa_arg;
+ struct bfa_iocfc_s *iocfc = &bfa->iocfc;
+ struct bfi_iocfc_cfg_req_s cfg_req;
+ struct bfi_iocfc_cfg_s *cfg_info = iocfc->cfginfo;
+ struct bfa_iocfc_cfg_s *cfg = &iocfc->cfg;
+ int i;
+
+ WARN_ON(cfg->fwcfg.num_cqs > BFI_IOC_MAX_CQS);
+ bfa_trc(bfa, cfg->fwcfg.num_cqs);
+
+ bfa_iocfc_reset_queues(bfa);
+
+ /*
+ * initialize IOC configuration info
+ */
+ cfg_info->single_msix_vec = 0;
+ if (bfa->msix.nvecs == 1)
+ cfg_info->single_msix_vec = 1;
+ cfg_info->endian_sig = BFI_IOC_ENDIAN_SIG;
+ cfg_info->num_cqs = cfg->fwcfg.num_cqs;
+ cfg_info->num_ioim_reqs = cpu_to_be16(bfa_fcpim_get_throttle_cfg(bfa,
+ cfg->fwcfg.num_ioim_reqs));
+ cfg_info->num_fwtio_reqs = cpu_to_be16(cfg->fwcfg.num_fwtio_reqs);
+
+ bfa_dma_be_addr_set(cfg_info->cfgrsp_addr, iocfc->cfgrsp_dma.pa);
+ /*
+ * dma map REQ and RSP circular queues and shadow pointers
+ */
+ for (i = 0; i < cfg->fwcfg.num_cqs; i++) {
+ bfa_dma_be_addr_set(cfg_info->req_cq_ba[i],
+ iocfc->req_cq_ba[i].pa);
+ bfa_dma_be_addr_set(cfg_info->req_shadow_ci[i],
+ iocfc->req_cq_shadow_ci[i].pa);
+ cfg_info->req_cq_elems[i] =
+ cpu_to_be16(cfg->drvcfg.num_reqq_elems);
+
+ bfa_dma_be_addr_set(cfg_info->rsp_cq_ba[i],
+ iocfc->rsp_cq_ba[i].pa);
+ bfa_dma_be_addr_set(cfg_info->rsp_shadow_pi[i],
+ iocfc->rsp_cq_shadow_pi[i].pa);
+ cfg_info->rsp_cq_elems[i] =
+ cpu_to_be16(cfg->drvcfg.num_rspq_elems);
+ }
+
+ /*
+ * Enable interrupt coalescing if it is driver init path
+ * and not ioc disable/enable path.
+ */
+ if (bfa_fsm_cmp_state(iocfc, bfa_iocfc_sm_init_cfg_wait))
+ cfg_info->intr_attr.coalesce = BFA_TRUE;
+
+ /*
+ * dma map IOC configuration itself
+ */
+ bfi_h2i_set(cfg_req.mh, BFI_MC_IOCFC, BFI_IOCFC_H2I_CFG_REQ,
+ bfa_fn_lpu(bfa));
+ bfa_dma_be_addr_set(cfg_req.ioc_cfg_dma_addr, iocfc->cfg_info.pa);
+
+ bfa_ioc_mbox_send(&bfa->ioc, &cfg_req,
+ sizeof(struct bfi_iocfc_cfg_req_s));
+}
+
+static void
+bfa_iocfc_init_mem(struct bfa_s *bfa, void *bfad, struct bfa_iocfc_cfg_s *cfg,
+ struct bfa_pcidev_s *pcidev)
+{
+ struct bfa_iocfc_s *iocfc = &bfa->iocfc;
+
+ bfa->bfad = bfad;
+ iocfc->bfa = bfa;
+ iocfc->cfg = *cfg;
+
+ /*
+ * Initialize chip specific handlers.
+ */
+ if (bfa_asic_id_ctc(bfa_ioc_devid(&bfa->ioc))) {
+ iocfc->hwif.hw_reginit = bfa_hwct_reginit;
+ iocfc->hwif.hw_reqq_ack = bfa_hwct_reqq_ack;
+ iocfc->hwif.hw_rspq_ack = bfa_hwct_rspq_ack;
+ iocfc->hwif.hw_msix_init = bfa_hwct_msix_init;
+ iocfc->hwif.hw_msix_ctrl_install = bfa_hwct_msix_ctrl_install;
+ iocfc->hwif.hw_msix_queue_install = bfa_hwct_msix_queue_install;
+ iocfc->hwif.hw_msix_uninstall = bfa_hwct_msix_uninstall;
+ iocfc->hwif.hw_isr_mode_set = bfa_hwct_isr_mode_set;
+ iocfc->hwif.hw_msix_getvecs = bfa_hwct_msix_getvecs;
+ iocfc->hwif.hw_msix_get_rme_range = bfa_hwct_msix_get_rme_range;
+ iocfc->hwif.rme_vec_q0 = BFI_MSIX_RME_QMIN_CT;
+ iocfc->hwif.cpe_vec_q0 = BFI_MSIX_CPE_QMIN_CT;
+ } else {
+ iocfc->hwif.hw_reginit = bfa_hwcb_reginit;
+ iocfc->hwif.hw_reqq_ack = NULL;
+ iocfc->hwif.hw_rspq_ack = bfa_hwcb_rspq_ack;
+ iocfc->hwif.hw_msix_init = bfa_hwcb_msix_init;
+ iocfc->hwif.hw_msix_ctrl_install = bfa_hwcb_msix_ctrl_install;
+ iocfc->hwif.hw_msix_queue_install = bfa_hwcb_msix_queue_install;
+ iocfc->hwif.hw_msix_uninstall = bfa_hwcb_msix_uninstall;
+ iocfc->hwif.hw_isr_mode_set = bfa_hwcb_isr_mode_set;
+ iocfc->hwif.hw_msix_getvecs = bfa_hwcb_msix_getvecs;
+ iocfc->hwif.hw_msix_get_rme_range = bfa_hwcb_msix_get_rme_range;
+ iocfc->hwif.rme_vec_q0 = BFI_MSIX_RME_QMIN_CB +
+ bfa_ioc_pcifn(&bfa->ioc) * BFI_IOC_MAX_CQS;
+ iocfc->hwif.cpe_vec_q0 = BFI_MSIX_CPE_QMIN_CB +
+ bfa_ioc_pcifn(&bfa->ioc) * BFI_IOC_MAX_CQS;
+ }
+
+ if (bfa_asic_id_ct2(bfa_ioc_devid(&bfa->ioc))) {
+ iocfc->hwif.hw_reginit = bfa_hwct2_reginit;
+ iocfc->hwif.hw_isr_mode_set = NULL;
+ iocfc->hwif.hw_rspq_ack = bfa_hwct2_rspq_ack;
+ }
+
+ iocfc->hwif.hw_reginit(bfa);
+ bfa->msix.nvecs = 0;
+}
+
+static void
+bfa_iocfc_mem_claim(struct bfa_s *bfa, struct bfa_iocfc_cfg_s *cfg)
+{
+ u8 *dm_kva = NULL;
+ u64 dm_pa = 0;
+ int i, per_reqq_sz, per_rspq_sz;
+ struct bfa_iocfc_s *iocfc = &bfa->iocfc;
+ struct bfa_mem_dma_s *ioc_dma = BFA_MEM_IOC_DMA(bfa);
+ struct bfa_mem_dma_s *iocfc_dma = BFA_MEM_IOCFC_DMA(bfa);
+ struct bfa_mem_dma_s *reqq_dma, *rspq_dma;
+
+ /* First allocate dma memory for IOC */
+ bfa_ioc_mem_claim(&bfa->ioc, bfa_mem_dma_virt(ioc_dma),
+ bfa_mem_dma_phys(ioc_dma));
+
+ /* Claim DMA-able memory for the request/response queues */
+ per_reqq_sz = BFA_ROUNDUP((cfg->drvcfg.num_reqq_elems * BFI_LMSG_SZ),
+ BFA_DMA_ALIGN_SZ);
+ per_rspq_sz = BFA_ROUNDUP((cfg->drvcfg.num_rspq_elems * BFI_LMSG_SZ),
+ BFA_DMA_ALIGN_SZ);
+
+ for (i = 0; i < cfg->fwcfg.num_cqs; i++) {
+ reqq_dma = BFA_MEM_REQQ_DMA(bfa, i);
+ iocfc->req_cq_ba[i].kva = bfa_mem_dma_virt(reqq_dma);
+ iocfc->req_cq_ba[i].pa = bfa_mem_dma_phys(reqq_dma);
+ memset(iocfc->req_cq_ba[i].kva, 0, per_reqq_sz);
+
+ rspq_dma = BFA_MEM_RSPQ_DMA(bfa, i);
+ iocfc->rsp_cq_ba[i].kva = bfa_mem_dma_virt(rspq_dma);
+ iocfc->rsp_cq_ba[i].pa = bfa_mem_dma_phys(rspq_dma);
+ memset(iocfc->rsp_cq_ba[i].kva, 0, per_rspq_sz);
+ }
+
+ /* Claim IOCFC dma memory - for shadow CI/PI */
+ dm_kva = bfa_mem_dma_virt(iocfc_dma);
+ dm_pa = bfa_mem_dma_phys(iocfc_dma);
+
+ for (i = 0; i < cfg->fwcfg.num_cqs; i++) {
+ iocfc->req_cq_shadow_ci[i].kva = dm_kva;
+ iocfc->req_cq_shadow_ci[i].pa = dm_pa;
+ dm_kva += BFA_CACHELINE_SZ;
+ dm_pa += BFA_CACHELINE_SZ;
+
+ iocfc->rsp_cq_shadow_pi[i].kva = dm_kva;
+ iocfc->rsp_cq_shadow_pi[i].pa = dm_pa;
+ dm_kva += BFA_CACHELINE_SZ;
+ dm_pa += BFA_CACHELINE_SZ;
+ }
+
+ /* Claim IOCFC dma memory - for the config info page */
+ bfa->iocfc.cfg_info.kva = dm_kva;
+ bfa->iocfc.cfg_info.pa = dm_pa;
+ bfa->iocfc.cfginfo = (struct bfi_iocfc_cfg_s *) dm_kva;
+ dm_kva += BFA_ROUNDUP(sizeof(struct bfi_iocfc_cfg_s), BFA_CACHELINE_SZ);
+ dm_pa += BFA_ROUNDUP(sizeof(struct bfi_iocfc_cfg_s), BFA_CACHELINE_SZ);
+
+ /* Claim IOCFC dma memory - for the config response */
+ bfa->iocfc.cfgrsp_dma.kva = dm_kva;
+ bfa->iocfc.cfgrsp_dma.pa = dm_pa;
+ bfa->iocfc.cfgrsp = (struct bfi_iocfc_cfgrsp_s *) dm_kva;
+ dm_kva += BFA_ROUNDUP(sizeof(struct bfi_iocfc_cfgrsp_s),
+ BFA_CACHELINE_SZ);
+ dm_pa += BFA_ROUNDUP(sizeof(struct bfi_iocfc_cfgrsp_s),
+ BFA_CACHELINE_SZ);
+
+ /* Claim IOCFC kva memory */
+ bfa_ioc_debug_memclaim(&bfa->ioc, bfa_mem_kva_curp(iocfc));
+ bfa_mem_kva_curp(iocfc) += BFA_DBG_FWTRC_LEN;
+}
+
+/*
+ * Start BFA submodules.
+ */
+static void
+bfa_iocfc_start_submod(struct bfa_s *bfa)
+{
+ int i;
+
+ bfa->queue_process = BFA_TRUE;
+ for (i = 0; i < BFI_IOC_MAX_CQS; i++)
+ bfa_isr_rspq_ack(bfa, i, bfa_rspq_ci(bfa, i));
+
+ bfa_fcport_start(bfa);
+ bfa_uf_start(bfa);
+ /*
+ * bfa_init() with flash read is complete. now invalidate the stale
+ * content of lun mask like unit attention, rp tag and lp tag.
+ */
+ bfa_ioim_lm_init(BFA_FCP_MOD(bfa)->bfa);
+
+ bfa->iocfc.submod_enabled = BFA_TRUE;
+}
+
+/*
+ * Disable BFA submodules.
+ */
+static void
+bfa_iocfc_disable_submod(struct bfa_s *bfa)
+{
+ if (bfa->iocfc.submod_enabled == BFA_FALSE)
+ return;
+
+ bfa_fcdiag_iocdisable(bfa);
+ bfa_fcport_iocdisable(bfa);
+ bfa_fcxp_iocdisable(bfa);
+ bfa_lps_iocdisable(bfa);
+ bfa_rport_iocdisable(bfa);
+ bfa_fcp_iocdisable(bfa);
+ bfa_dconf_iocdisable(bfa);
+
+ bfa->iocfc.submod_enabled = BFA_FALSE;
+}
+
+static void
+bfa_iocfc_init_cb(void *bfa_arg, bfa_boolean_t complete)
+{
+ struct bfa_s *bfa = bfa_arg;
+
+ if (complete)
+ bfa_cb_init(bfa->bfad, bfa->iocfc.op_status);
+}
+
+static void
+bfa_iocfc_stop_cb(void *bfa_arg, bfa_boolean_t compl)
+{
+ struct bfa_s *bfa = bfa_arg;
+ struct bfad_s *bfad = bfa->bfad;
+
+ if (compl)
+ complete(&bfad->comp);
+}
+
+static void
+bfa_iocfc_enable_cb(void *bfa_arg, bfa_boolean_t compl)
+{
+ struct bfa_s *bfa = bfa_arg;
+ struct bfad_s *bfad = bfa->bfad;
+
+ if (compl)
+ complete(&bfad->enable_comp);
+}
+
+static void
+bfa_iocfc_disable_cb(void *bfa_arg, bfa_boolean_t compl)
+{
+ struct bfa_s *bfa = bfa_arg;
+ struct bfad_s *bfad = bfa->bfad;
+
+ if (compl)
+ complete(&bfad->disable_comp);
+}
+
+/*
+ * configure queue registers from firmware response
+ */
+static void
+bfa_iocfc_qreg(struct bfa_s *bfa, struct bfi_iocfc_qreg_s *qreg)
+{
+ int i;
+ struct bfa_iocfc_regs_s *r = &bfa->iocfc.bfa_regs;
+ void __iomem *kva = bfa_ioc_bar0(&bfa->ioc);
+
+ for (i = 0; i < BFI_IOC_MAX_CQS; i++) {
+ bfa->iocfc.hw_qid[i] = qreg->hw_qid[i];
+ r->cpe_q_ci[i] = kva + be32_to_cpu(qreg->cpe_q_ci_off[i]);
+ r->cpe_q_pi[i] = kva + be32_to_cpu(qreg->cpe_q_pi_off[i]);
+ r->cpe_q_ctrl[i] = kva + be32_to_cpu(qreg->cpe_qctl_off[i]);
+ r->rme_q_ci[i] = kva + be32_to_cpu(qreg->rme_q_ci_off[i]);
+ r->rme_q_pi[i] = kva + be32_to_cpu(qreg->rme_q_pi_off[i]);
+ r->rme_q_ctrl[i] = kva + be32_to_cpu(qreg->rme_qctl_off[i]);
+ }
+}
+
+static void
+bfa_iocfc_res_recfg(struct bfa_s *bfa, struct bfa_iocfc_fwcfg_s *fwcfg)
+{
+ struct bfa_iocfc_s *iocfc = &bfa->iocfc;
+ struct bfi_iocfc_cfg_s *cfg_info = iocfc->cfginfo;
+
+ bfa_fcxp_res_recfg(bfa, fwcfg->num_fcxp_reqs);
+ bfa_uf_res_recfg(bfa, fwcfg->num_uf_bufs);
+ bfa_rport_res_recfg(bfa, fwcfg->num_rports);
+ bfa_fcp_res_recfg(bfa, cpu_to_be16(cfg_info->num_ioim_reqs),
+ fwcfg->num_ioim_reqs);
+ bfa_tskim_res_recfg(bfa, fwcfg->num_tskim_reqs);
+}
+
+/*
+ * Update BFA configuration from firmware configuration.
+ */
+static void
+bfa_iocfc_cfgrsp(struct bfa_s *bfa)
+{
+ struct bfa_iocfc_s *iocfc = &bfa->iocfc;
+ struct bfi_iocfc_cfgrsp_s *cfgrsp = iocfc->cfgrsp;
+ struct bfa_iocfc_fwcfg_s *fwcfg = &cfgrsp->fwcfg;
+
+ fwcfg->num_cqs = fwcfg->num_cqs;
+ fwcfg->num_ioim_reqs = be16_to_cpu(fwcfg->num_ioim_reqs);
+ fwcfg->num_fwtio_reqs = be16_to_cpu(fwcfg->num_fwtio_reqs);
+ fwcfg->num_tskim_reqs = be16_to_cpu(fwcfg->num_tskim_reqs);
+ fwcfg->num_fcxp_reqs = be16_to_cpu(fwcfg->num_fcxp_reqs);
+ fwcfg->num_uf_bufs = be16_to_cpu(fwcfg->num_uf_bufs);
+ fwcfg->num_rports = be16_to_cpu(fwcfg->num_rports);
+
+ /*
+ * configure queue register offsets as learnt from firmware
+ */
+ bfa_iocfc_qreg(bfa, &cfgrsp->qreg);
+
+ /*
+ * Re-configure resources as learnt from Firmware
+ */
+ bfa_iocfc_res_recfg(bfa, fwcfg);
+
+ /*
+ * Install MSIX queue handlers
+ */
+ bfa_msix_queue_install(bfa);
+
+ if (bfa->iocfc.cfgrsp->pbc_cfg.pbc_pwwn != 0) {
+ bfa->ioc.attr->pwwn = bfa->iocfc.cfgrsp->pbc_cfg.pbc_pwwn;
+ bfa->ioc.attr->nwwn = bfa->iocfc.cfgrsp->pbc_cfg.pbc_nwwn;
+ bfa_fsm_send_event(iocfc, IOCFC_E_CFG_DONE);
+ }
+}
+
+void
+bfa_iocfc_reset_queues(struct bfa_s *bfa)
+{
+ int q;
+
+ for (q = 0; q < BFI_IOC_MAX_CQS; q++) {
+ bfa_reqq_ci(bfa, q) = 0;
+ bfa_reqq_pi(bfa, q) = 0;
+ bfa_rspq_ci(bfa, q) = 0;
+ bfa_rspq_pi(bfa, q) = 0;
+ }
+}
+
+/*
+ * Process FAA pwwn msg from fw.
+ */
+static void
+bfa_iocfc_process_faa_addr(struct bfa_s *bfa, struct bfi_faa_addr_msg_s *msg)
+{
+ struct bfa_iocfc_s *iocfc = &bfa->iocfc;
+ struct bfi_iocfc_cfgrsp_s *cfgrsp = iocfc->cfgrsp;
+
+ cfgrsp->pbc_cfg.pbc_pwwn = msg->pwwn;
+ cfgrsp->pbc_cfg.pbc_nwwn = msg->nwwn;
+
+ bfa->ioc.attr->pwwn = msg->pwwn;
+ bfa->ioc.attr->nwwn = msg->nwwn;
+ bfa_fsm_send_event(iocfc, IOCFC_E_CFG_DONE);
+}
+
+/* Fabric Assigned Address specific functions */
+
+/*
+ * Check whether IOC is ready before sending command down
+ */
+static bfa_status_t
+bfa_faa_validate_request(struct bfa_s *bfa)
+{
+ enum bfa_ioc_type_e ioc_type = bfa_get_type(bfa);
+ u32 card_type = bfa->ioc.attr->card_type;
+
+ if (bfa_ioc_is_operational(&bfa->ioc)) {
+ if ((ioc_type != BFA_IOC_TYPE_FC) || bfa_mfg_is_mezz(card_type))
+ return BFA_STATUS_FEATURE_NOT_SUPPORTED;
+ } else {
+ return BFA_STATUS_IOC_NON_OP;
+ }
+
+ return BFA_STATUS_OK;
+}
+
+bfa_status_t
+bfa_faa_query(struct bfa_s *bfa, struct bfa_faa_attr_s *attr,
+ bfa_cb_iocfc_t cbfn, void *cbarg)
+{
+ struct bfi_faa_query_s faa_attr_req;
+ struct bfa_iocfc_s *iocfc = &bfa->iocfc;
+ bfa_status_t status;
+
+ status = bfa_faa_validate_request(bfa);
+ if (status != BFA_STATUS_OK)
+ return status;
+
+ if (iocfc->faa_args.busy == BFA_TRUE)
+ return BFA_STATUS_DEVBUSY;
+
+ iocfc->faa_args.faa_attr = attr;
+ iocfc->faa_args.faa_cb.faa_cbfn = cbfn;
+ iocfc->faa_args.faa_cb.faa_cbarg = cbarg;
+
+ iocfc->faa_args.busy = BFA_TRUE;
+ memset(&faa_attr_req, 0, sizeof(struct bfi_faa_query_s));
+ bfi_h2i_set(faa_attr_req.mh, BFI_MC_IOCFC,
+ BFI_IOCFC_H2I_FAA_QUERY_REQ, bfa_fn_lpu(bfa));
+
+ bfa_ioc_mbox_send(&bfa->ioc, &faa_attr_req,
+ sizeof(struct bfi_faa_query_s));
+
+ return BFA_STATUS_OK;
+}
+
+/*
+ * FAA query response
+ */
+static void
+bfa_faa_query_reply(struct bfa_iocfc_s *iocfc,
+ bfi_faa_query_rsp_t *rsp)
+{
+ void *cbarg = iocfc->faa_args.faa_cb.faa_cbarg;
+
+ if (iocfc->faa_args.faa_attr) {
+ iocfc->faa_args.faa_attr->faa = rsp->faa;
+ iocfc->faa_args.faa_attr->faa_state = rsp->faa_status;
+ iocfc->faa_args.faa_attr->pwwn_source = rsp->addr_source;
+ }
+
+ WARN_ON(!iocfc->faa_args.faa_cb.faa_cbfn);
+
+ iocfc->faa_args.faa_cb.faa_cbfn(cbarg, BFA_STATUS_OK);
+ iocfc->faa_args.busy = BFA_FALSE;
+}
+
+/*
+ * IOC enable request is complete
+ */
+static void
+bfa_iocfc_enable_cbfn(void *bfa_arg, enum bfa_status status)
+{
+ struct bfa_s *bfa = bfa_arg;
+
+ if (status == BFA_STATUS_OK)
+ bfa_fsm_send_event(&bfa->iocfc, IOCFC_E_IOC_ENABLED);
+ else
+ bfa_fsm_send_event(&bfa->iocfc, IOCFC_E_IOC_FAILED);
+}
+
+/*
+ * IOC disable request is complete
+ */
+static void
+bfa_iocfc_disable_cbfn(void *bfa_arg)
+{
+ struct bfa_s *bfa = bfa_arg;
+
+ bfa->queue_process = BFA_FALSE;
+ bfa_fsm_send_event(&bfa->iocfc, IOCFC_E_IOC_DISABLED);
+}
+
+/*
+ * Notify sub-modules of hardware failure.
+ */
+static void
+bfa_iocfc_hbfail_cbfn(void *bfa_arg)
+{
+ struct bfa_s *bfa = bfa_arg;
+
+ bfa->queue_process = BFA_FALSE;
+ bfa_fsm_send_event(&bfa->iocfc, IOCFC_E_IOC_FAILED);
+}
+
+/*
+ * Actions on chip-reset completion.
+ */
+static void
+bfa_iocfc_reset_cbfn(void *bfa_arg)
+{
+ struct bfa_s *bfa = bfa_arg;
+
+ bfa_iocfc_reset_queues(bfa);
+ bfa_isr_enable(bfa);
+}
+
+/*
+ * Query IOC memory requirement information.
+ */
+void
+bfa_iocfc_meminfo(struct bfa_iocfc_cfg_s *cfg, struct bfa_meminfo_s *meminfo,
+ struct bfa_s *bfa)
+{
+ int q, per_reqq_sz, per_rspq_sz;
+ struct bfa_mem_dma_s *ioc_dma = BFA_MEM_IOC_DMA(bfa);
+ struct bfa_mem_dma_s *iocfc_dma = BFA_MEM_IOCFC_DMA(bfa);
+ struct bfa_mem_kva_s *iocfc_kva = BFA_MEM_IOCFC_KVA(bfa);
+ u32 dm_len = 0;
+
+ /* dma memory setup for IOC */
+ bfa_mem_dma_setup(meminfo, ioc_dma,
+ BFA_ROUNDUP(sizeof(struct bfi_ioc_attr_s), BFA_DMA_ALIGN_SZ));
+
+ /* dma memory setup for REQ/RSP queues */
+ per_reqq_sz = BFA_ROUNDUP((cfg->drvcfg.num_reqq_elems * BFI_LMSG_SZ),
+ BFA_DMA_ALIGN_SZ);
+ per_rspq_sz = BFA_ROUNDUP((cfg->drvcfg.num_rspq_elems * BFI_LMSG_SZ),
+ BFA_DMA_ALIGN_SZ);
+
+ for (q = 0; q < cfg->fwcfg.num_cqs; q++) {
+ bfa_mem_dma_setup(meminfo, BFA_MEM_REQQ_DMA(bfa, q),
+ per_reqq_sz);
+ bfa_mem_dma_setup(meminfo, BFA_MEM_RSPQ_DMA(bfa, q),
+ per_rspq_sz);
+ }
+
+ /* IOCFC dma memory - calculate Shadow CI/PI size */
+ for (q = 0; q < cfg->fwcfg.num_cqs; q++)
+ dm_len += (2 * BFA_CACHELINE_SZ);
+
+ /* IOCFC dma memory - calculate config info / rsp size */
+ dm_len += BFA_ROUNDUP(sizeof(struct bfi_iocfc_cfg_s), BFA_CACHELINE_SZ);
+ dm_len += BFA_ROUNDUP(sizeof(struct bfi_iocfc_cfgrsp_s),
+ BFA_CACHELINE_SZ);
+
+ /* dma memory setup for IOCFC */
+ bfa_mem_dma_setup(meminfo, iocfc_dma, dm_len);
+
+ /* kva memory setup for IOCFC */
+ bfa_mem_kva_setup(meminfo, iocfc_kva, BFA_DBG_FWTRC_LEN);
+}
+
+/*
+ * Query IOC memory requirement information.
+ */
+void
+bfa_iocfc_attach(struct bfa_s *bfa, void *bfad, struct bfa_iocfc_cfg_s *cfg,
+ struct bfa_pcidev_s *pcidev)
+{
+ int i;
+ struct bfa_ioc_s *ioc = &bfa->ioc;
+
+ bfa_iocfc_cbfn.enable_cbfn = bfa_iocfc_enable_cbfn;
+ bfa_iocfc_cbfn.disable_cbfn = bfa_iocfc_disable_cbfn;
+ bfa_iocfc_cbfn.hbfail_cbfn = bfa_iocfc_hbfail_cbfn;
+ bfa_iocfc_cbfn.reset_cbfn = bfa_iocfc_reset_cbfn;
+
+ ioc->trcmod = bfa->trcmod;
+ bfa_ioc_attach(&bfa->ioc, bfa, &bfa_iocfc_cbfn, &bfa->timer_mod);
+
+ bfa_ioc_pci_init(&bfa->ioc, pcidev, BFI_PCIFN_CLASS_FC);
+ bfa_ioc_mbox_register(&bfa->ioc, bfa_mbox_isrs);
+
+ bfa_iocfc_init_mem(bfa, bfad, cfg, pcidev);
+ bfa_iocfc_mem_claim(bfa, cfg);
+ INIT_LIST_HEAD(&bfa->timer_mod.timer_q);
+
+ INIT_LIST_HEAD(&bfa->comp_q);
+ for (i = 0; i < BFI_IOC_MAX_CQS; i++)
+ INIT_LIST_HEAD(&bfa->reqq_waitq[i]);
+
+ bfa->iocfc.cb_reqd = BFA_FALSE;
+ bfa->iocfc.op_status = BFA_STATUS_OK;
+ bfa->iocfc.submod_enabled = BFA_FALSE;
+
+ bfa_fsm_set_state(&bfa->iocfc, bfa_iocfc_sm_stopped);
+}
+
+/*
+ * Query IOC memory requirement information.
+ */
+void
+bfa_iocfc_init(struct bfa_s *bfa)
+{
+ bfa_fsm_send_event(&bfa->iocfc, IOCFC_E_INIT);
+}
+
+/*
+ * IOC start called from bfa_start(). Called to start IOC operations
+ * at driver instantiation for this instance.
+ */
+void
+bfa_iocfc_start(struct bfa_s *bfa)
+{
+ bfa_fsm_send_event(&bfa->iocfc, IOCFC_E_START);
+}
+
+/*
+ * IOC stop called from bfa_stop(). Called only when driver is unloaded
+ * for this instance.
+ */
+void
+bfa_iocfc_stop(struct bfa_s *bfa)
+{
+ bfa_fsm_send_event(&bfa->iocfc, IOCFC_E_STOP);
+}
+
+void
+bfa_iocfc_isr(void *bfaarg, struct bfi_mbmsg_s *m)
+{
+ struct bfa_s *bfa = bfaarg;
+ struct bfa_iocfc_s *iocfc = &bfa->iocfc;
+ union bfi_iocfc_i2h_msg_u *msg;
+
+ msg = (union bfi_iocfc_i2h_msg_u *) m;
+ bfa_trc(bfa, msg->mh.msg_id);
+
+ switch (msg->mh.msg_id) {
+ case BFI_IOCFC_I2H_CFG_REPLY:
+ bfa_iocfc_cfgrsp(bfa);
+ break;
+ case BFI_IOCFC_I2H_UPDATEQ_RSP:
+ iocfc->updateq_cbfn(iocfc->updateq_cbarg, BFA_STATUS_OK);
+ break;
+ case BFI_IOCFC_I2H_ADDR_MSG:
+ bfa_iocfc_process_faa_addr(bfa,
+ (struct bfi_faa_addr_msg_s *)msg);
+ break;
+ case BFI_IOCFC_I2H_FAA_QUERY_RSP:
+ bfa_faa_query_reply(iocfc, (bfi_faa_query_rsp_t *)msg);
+ break;
+ default:
+ WARN_ON(1);
+ }
+}
+
+void
+bfa_iocfc_get_attr(struct bfa_s *bfa, struct bfa_iocfc_attr_s *attr)
+{
+ struct bfa_iocfc_s *iocfc = &bfa->iocfc;
+
+ attr->intr_attr.coalesce = iocfc->cfginfo->intr_attr.coalesce;
+
+ attr->intr_attr.delay = iocfc->cfginfo->intr_attr.delay ?
+ be16_to_cpu(iocfc->cfginfo->intr_attr.delay) :
+ be16_to_cpu(iocfc->cfgrsp->intr_attr.delay);
+
+ attr->intr_attr.latency = iocfc->cfginfo->intr_attr.latency ?
+ be16_to_cpu(iocfc->cfginfo->intr_attr.latency) :
+ be16_to_cpu(iocfc->cfgrsp->intr_attr.latency);
+
+ attr->config = iocfc->cfg;
+}
+
+bfa_status_t
+bfa_iocfc_israttr_set(struct bfa_s *bfa, struct bfa_iocfc_intr_attr_s *attr)
+{
+ struct bfa_iocfc_s *iocfc = &bfa->iocfc;
+ struct bfi_iocfc_set_intr_req_s *m;
+
+ iocfc->cfginfo->intr_attr.coalesce = attr->coalesce;
+ iocfc->cfginfo->intr_attr.delay = cpu_to_be16(attr->delay);
+ iocfc->cfginfo->intr_attr.latency = cpu_to_be16(attr->latency);
+
+ if (!bfa_iocfc_is_operational(bfa))
+ return BFA_STATUS_OK;
+
+ m = bfa_reqq_next(bfa, BFA_REQQ_IOC);
+ if (!m)
+ return BFA_STATUS_DEVBUSY;
+
+ bfi_h2i_set(m->mh, BFI_MC_IOCFC, BFI_IOCFC_H2I_SET_INTR_REQ,
+ bfa_fn_lpu(bfa));
+ m->coalesce = iocfc->cfginfo->intr_attr.coalesce;
+ m->delay = iocfc->cfginfo->intr_attr.delay;
+ m->latency = iocfc->cfginfo->intr_attr.latency;
+
+ bfa_trc(bfa, attr->delay);
+ bfa_trc(bfa, attr->latency);
+
+ bfa_reqq_produce(bfa, BFA_REQQ_IOC, m->mh);
+ return BFA_STATUS_OK;
+}
+
+void
+bfa_iocfc_set_snsbase(struct bfa_s *bfa, int seg_no, u64 snsbase_pa)
+{
+ struct bfa_iocfc_s *iocfc = &bfa->iocfc;
+
+ iocfc->cfginfo->sense_buf_len = (BFI_IOIM_SNSLEN - 1);
+ bfa_dma_be_addr_set(iocfc->cfginfo->ioim_snsbase[seg_no], snsbase_pa);
+}
+/*
+ * Enable IOC after it is disabled.
+ */
+void
+bfa_iocfc_enable(struct bfa_s *bfa)
+{
+ bfa_plog_str(bfa->plog, BFA_PL_MID_HAL, BFA_PL_EID_MISC, 0,
+ "IOC Enable");
+ bfa->iocfc.cb_reqd = BFA_TRUE;
+ bfa_fsm_send_event(&bfa->iocfc, IOCFC_E_ENABLE);
+}
+
+void
+bfa_iocfc_disable(struct bfa_s *bfa)
+{
+ bfa_plog_str(bfa->plog, BFA_PL_MID_HAL, BFA_PL_EID_MISC, 0,
+ "IOC Disable");
+
+ bfa_fsm_send_event(&bfa->iocfc, IOCFC_E_DISABLE);
+}
+
+bfa_boolean_t
+bfa_iocfc_is_operational(struct bfa_s *bfa)
+{
+ return bfa_ioc_is_operational(&bfa->ioc) &&
+ bfa_fsm_cmp_state(&bfa->iocfc, bfa_iocfc_sm_operational);
+}
+
+/*
+ * Return boot target port wwns -- read from boot information in flash.
+ */
+void
+bfa_iocfc_get_bootwwns(struct bfa_s *bfa, u8 *nwwns, wwn_t *wwns)
+{
+ struct bfa_iocfc_s *iocfc = &bfa->iocfc;
+ struct bfi_iocfc_cfgrsp_s *cfgrsp = iocfc->cfgrsp;
+ int i;
+
+ if (cfgrsp->pbc_cfg.boot_enabled && cfgrsp->pbc_cfg.nbluns) {
+ bfa_trc(bfa, cfgrsp->pbc_cfg.nbluns);
+ *nwwns = cfgrsp->pbc_cfg.nbluns;
+ for (i = 0; i < cfgrsp->pbc_cfg.nbluns; i++)
+ wwns[i] = cfgrsp->pbc_cfg.blun[i].tgt_pwwn;
+
+ return;
+ }
+
+ *nwwns = cfgrsp->bootwwns.nwwns;
+ memcpy(wwns, cfgrsp->bootwwns.wwn, sizeof(cfgrsp->bootwwns.wwn));
+}
+
+int
+bfa_iocfc_get_pbc_vports(struct bfa_s *bfa, struct bfi_pbc_vport_s *pbc_vport)
+{
+ struct bfa_iocfc_s *iocfc = &bfa->iocfc;
+ struct bfi_iocfc_cfgrsp_s *cfgrsp = iocfc->cfgrsp;
+
+ memcpy(pbc_vport, cfgrsp->pbc_cfg.vport, sizeof(cfgrsp->pbc_cfg.vport));
+ return cfgrsp->pbc_cfg.nvports;
+}
+
+
+/*
+ * Use this function query the memory requirement of the BFA library.
+ * This function needs to be called before bfa_attach() to get the
+ * memory required of the BFA layer for a given driver configuration.
+ *
+ * This call will fail, if the cap is out of range compared to pre-defined
+ * values within the BFA library
+ *
+ * @param[in] cfg - pointer to bfa_ioc_cfg_t. Driver layer should indicate
+ * its configuration in this structure.
+ * The default values for struct bfa_iocfc_cfg_s can be
+ * fetched using bfa_cfg_get_default() API.
+ *
+ * If cap's boundary check fails, the library will use
+ * the default bfa_cap_t values (and log a warning msg).
+ *
+ * @param[out] meminfo - pointer to bfa_meminfo_t. This content
+ * indicates the memory type (see bfa_mem_type_t) and
+ * amount of memory required.
+ *
+ * Driver should allocate the memory, populate the
+ * starting address for each block and provide the same
+ * structure as input parameter to bfa_attach() call.
+ *
+ * @param[in] bfa - pointer to the bfa structure, used while fetching the
+ * dma, kva memory information of the bfa sub-modules.
+ *
+ * @return void
+ *
+ * Special Considerations: @note
+ */
+void
+bfa_cfg_get_meminfo(struct bfa_iocfc_cfg_s *cfg, struct bfa_meminfo_s *meminfo,
+ struct bfa_s *bfa)
+{
+ struct bfa_mem_dma_s *port_dma = BFA_MEM_PORT_DMA(bfa);
+ struct bfa_mem_dma_s *ablk_dma = BFA_MEM_ABLK_DMA(bfa);
+ struct bfa_mem_dma_s *cee_dma = BFA_MEM_CEE_DMA(bfa);
+ struct bfa_mem_dma_s *sfp_dma = BFA_MEM_SFP_DMA(bfa);
+ struct bfa_mem_dma_s *flash_dma = BFA_MEM_FLASH_DMA(bfa);
+ struct bfa_mem_dma_s *diag_dma = BFA_MEM_DIAG_DMA(bfa);
+ struct bfa_mem_dma_s *phy_dma = BFA_MEM_PHY_DMA(bfa);
+ struct bfa_mem_dma_s *fru_dma = BFA_MEM_FRU_DMA(bfa);
+
+ WARN_ON((cfg == NULL) || (meminfo == NULL));
+
+ memset((void *)meminfo, 0, sizeof(struct bfa_meminfo_s));
+
+ /* Initialize the DMA & KVA meminfo queues */
+ INIT_LIST_HEAD(&meminfo->dma_info.qe);
+ INIT_LIST_HEAD(&meminfo->kva_info.qe);
+
+ bfa_iocfc_meminfo(cfg, meminfo, bfa);
+ bfa_sgpg_meminfo(cfg, meminfo, bfa);
+ bfa_fcport_meminfo(cfg, meminfo, bfa);
+ bfa_fcxp_meminfo(cfg, meminfo, bfa);
+ bfa_lps_meminfo(cfg, meminfo, bfa);
+ bfa_uf_meminfo(cfg, meminfo, bfa);
+ bfa_rport_meminfo(cfg, meminfo, bfa);
+ bfa_fcp_meminfo(cfg, meminfo, bfa);
+ bfa_dconf_meminfo(cfg, meminfo, bfa);
+
+ /* dma info setup */
+ bfa_mem_dma_setup(meminfo, port_dma, bfa_port_meminfo());
+ bfa_mem_dma_setup(meminfo, ablk_dma, bfa_ablk_meminfo());
+ bfa_mem_dma_setup(meminfo, cee_dma, bfa_cee_meminfo());
+ bfa_mem_dma_setup(meminfo, sfp_dma, bfa_sfp_meminfo());
+ bfa_mem_dma_setup(meminfo, flash_dma,
+ bfa_flash_meminfo(cfg->drvcfg.min_cfg));
+ bfa_mem_dma_setup(meminfo, diag_dma, bfa_diag_meminfo());
+ bfa_mem_dma_setup(meminfo, phy_dma,
+ bfa_phy_meminfo(cfg->drvcfg.min_cfg));
+ bfa_mem_dma_setup(meminfo, fru_dma,
+ bfa_fru_meminfo(cfg->drvcfg.min_cfg));
+}
+
+/*
+ * Use this function to do attach the driver instance with the BFA
+ * library. This function will not trigger any HW initialization
+ * process (which will be done in bfa_init() call)
+ *
+ * This call will fail, if the cap is out of range compared to
+ * pre-defined values within the BFA library
+ *
+ * @param[out] bfa Pointer to bfa_t.
+ * @param[in] bfad Opaque handle back to the driver's IOC structure
+ * @param[in] cfg Pointer to bfa_ioc_cfg_t. Should be same structure
+ * that was used in bfa_cfg_get_meminfo().
+ * @param[in] meminfo Pointer to bfa_meminfo_t. The driver should
+ * use the bfa_cfg_get_meminfo() call to
+ * find the memory blocks required, allocate the
+ * required memory and provide the starting addresses.
+ * @param[in] pcidev pointer to struct bfa_pcidev_s
+ *
+ * @return
+ * void
+ *
+ * Special Considerations:
+ *
+ * @note
+ *
+ */
+void
+bfa_attach(struct bfa_s *bfa, void *bfad, struct bfa_iocfc_cfg_s *cfg,
+ struct bfa_meminfo_s *meminfo, struct bfa_pcidev_s *pcidev)
+{
+ struct bfa_mem_dma_s *dma_info, *dma_elem;
+ struct bfa_mem_kva_s *kva_info, *kva_elem;
+ struct list_head *dm_qe, *km_qe;
+
+ bfa->fcs = BFA_FALSE;
+
+ WARN_ON((cfg == NULL) || (meminfo == NULL));
+
+ /* Initialize memory pointers for iterative allocation */
+ dma_info = &meminfo->dma_info;
+ dma_info->kva_curp = dma_info->kva;
+ dma_info->dma_curp = dma_info->dma;
+
+ kva_info = &meminfo->kva_info;
+ kva_info->kva_curp = kva_info->kva;
+
+ list_for_each(dm_qe, &dma_info->qe) {
+ dma_elem = (struct bfa_mem_dma_s *) dm_qe;
+ dma_elem->kva_curp = dma_elem->kva;
+ dma_elem->dma_curp = dma_elem->dma;
+ }
+
+ list_for_each(km_qe, &kva_info->qe) {
+ kva_elem = (struct bfa_mem_kva_s *) km_qe;
+ kva_elem->kva_curp = kva_elem->kva;
+ }
+
+ bfa_iocfc_attach(bfa, bfad, cfg, pcidev);
+ bfa_fcdiag_attach(bfa, bfad, cfg, pcidev);
+ bfa_sgpg_attach(bfa, bfad, cfg, pcidev);
+ bfa_fcport_attach(bfa, bfad, cfg, pcidev);
+ bfa_fcxp_attach(bfa, bfad, cfg, pcidev);
+ bfa_lps_attach(bfa, bfad, cfg, pcidev);
+ bfa_uf_attach(bfa, bfad, cfg, pcidev);
+ bfa_rport_attach(bfa, bfad, cfg, pcidev);
+ bfa_fcp_attach(bfa, bfad, cfg, pcidev);
+ bfa_dconf_attach(bfa, bfad, cfg);
+ bfa_com_port_attach(bfa);
+ bfa_com_ablk_attach(bfa);
+ bfa_com_cee_attach(bfa);
+ bfa_com_sfp_attach(bfa);
+ bfa_com_flash_attach(bfa, cfg->drvcfg.min_cfg);
+ bfa_com_diag_attach(bfa);
+ bfa_com_phy_attach(bfa, cfg->drvcfg.min_cfg);
+ bfa_com_fru_attach(bfa, cfg->drvcfg.min_cfg);
+}
+
+/*
+ * Use this function to delete a BFA IOC. IOC should be stopped (by
+ * calling bfa_stop()) before this function call.
+ *
+ * @param[in] bfa - pointer to bfa_t.
+ *
+ * @return
+ * void
+ *
+ * Special Considerations:
+ *
+ * @note
+ */
+void
+bfa_detach(struct bfa_s *bfa)
+{
+ bfa_ioc_detach(&bfa->ioc);
+}
+
+void
+bfa_comp_deq(struct bfa_s *bfa, struct list_head *comp_q)
+{
+ INIT_LIST_HEAD(comp_q);
+ list_splice_tail_init(&bfa->comp_q, comp_q);
+}
+
+void
+bfa_comp_process(struct bfa_s *bfa, struct list_head *comp_q)
+{
+ struct list_head *qe;
+ struct list_head *qen;
+ struct bfa_cb_qe_s *hcb_qe;
+ bfa_cb_cbfn_status_t cbfn;
+
+ list_for_each_safe(qe, qen, comp_q) {
+ hcb_qe = (struct bfa_cb_qe_s *) qe;
+ if (hcb_qe->pre_rmv) {
+ /* qe is invalid after return, dequeue before cbfn() */
+ list_del(qe);
+ cbfn = (bfa_cb_cbfn_status_t)(hcb_qe->cbfn);
+ cbfn(hcb_qe->cbarg, hcb_qe->fw_status);
+ } else
+ hcb_qe->cbfn(hcb_qe->cbarg, BFA_TRUE);
+ }
+}
+
+void
+bfa_comp_free(struct bfa_s *bfa, struct list_head *comp_q)
+{
+ struct list_head *qe;
+ struct bfa_cb_qe_s *hcb_qe;
+
+ while (!list_empty(comp_q)) {
+ bfa_q_deq(comp_q, &qe);
+ hcb_qe = (struct bfa_cb_qe_s *) qe;
+ WARN_ON(hcb_qe->pre_rmv);
+ hcb_qe->cbfn(hcb_qe->cbarg, BFA_FALSE);
+ }
+}
+
+/*
+ * Return the list of PCI vendor/device id lists supported by this
+ * BFA instance.
+ */
+void
+bfa_get_pciids(struct bfa_pciid_s **pciids, int *npciids)
+{
+ static struct bfa_pciid_s __pciids[] = {
+ {BFA_PCI_VENDOR_ID_BROCADE, BFA_PCI_DEVICE_ID_FC_8G2P},
+ {BFA_PCI_VENDOR_ID_BROCADE, BFA_PCI_DEVICE_ID_FC_8G1P},
+ {BFA_PCI_VENDOR_ID_BROCADE, BFA_PCI_DEVICE_ID_CT},
+ {BFA_PCI_VENDOR_ID_BROCADE, BFA_PCI_DEVICE_ID_CT_FC},
+ };
+
+ *npciids = ARRAY_SIZE(__pciids);
+ *pciids = __pciids;
+}
+
+/*
+ * Use this function query the default struct bfa_iocfc_cfg_s value (compiled
+ * into BFA layer). The OS driver can then turn back and overwrite entries that
+ * have been configured by the user.
+ *
+ * @param[in] cfg - pointer to bfa_ioc_cfg_t
+ *
+ * @return
+ * void
+ *
+ * Special Considerations:
+ * note
+ */
+void
+bfa_cfg_get_default(struct bfa_iocfc_cfg_s *cfg)
+{
+ cfg->fwcfg.num_fabrics = DEF_CFG_NUM_FABRICS;
+ cfg->fwcfg.num_lports = DEF_CFG_NUM_LPORTS;
+ cfg->fwcfg.num_rports = DEF_CFG_NUM_RPORTS;
+ cfg->fwcfg.num_ioim_reqs = DEF_CFG_NUM_IOIM_REQS;
+ cfg->fwcfg.num_tskim_reqs = DEF_CFG_NUM_TSKIM_REQS;
+ cfg->fwcfg.num_fcxp_reqs = DEF_CFG_NUM_FCXP_REQS;
+ cfg->fwcfg.num_uf_bufs = DEF_CFG_NUM_UF_BUFS;
+ cfg->fwcfg.num_cqs = DEF_CFG_NUM_CQS;
+ cfg->fwcfg.num_fwtio_reqs = 0;
+
+ cfg->drvcfg.num_reqq_elems = DEF_CFG_NUM_REQQ_ELEMS;
+ cfg->drvcfg.num_rspq_elems = DEF_CFG_NUM_RSPQ_ELEMS;
+ cfg->drvcfg.num_sgpgs = DEF_CFG_NUM_SGPGS;
+ cfg->drvcfg.num_sboot_tgts = DEF_CFG_NUM_SBOOT_TGTS;
+ cfg->drvcfg.num_sboot_luns = DEF_CFG_NUM_SBOOT_LUNS;
+ cfg->drvcfg.path_tov = BFA_FCPIM_PATHTOV_DEF;
+ cfg->drvcfg.ioc_recover = BFA_FALSE;
+ cfg->drvcfg.delay_comp = BFA_FALSE;
+
+}
+
+void
+bfa_cfg_get_min(struct bfa_iocfc_cfg_s *cfg)
+{
+ bfa_cfg_get_default(cfg);
+ cfg->fwcfg.num_ioim_reqs = BFA_IOIM_MIN;
+ cfg->fwcfg.num_tskim_reqs = BFA_TSKIM_MIN;
+ cfg->fwcfg.num_fcxp_reqs = BFA_FCXP_MIN;
+ cfg->fwcfg.num_uf_bufs = BFA_UF_MIN;
+ cfg->fwcfg.num_rports = BFA_RPORT_MIN;
+ cfg->fwcfg.num_fwtio_reqs = 0;
+
+ cfg->drvcfg.num_sgpgs = BFA_SGPG_MIN;
+ cfg->drvcfg.num_reqq_elems = BFA_REQQ_NELEMS_MIN;
+ cfg->drvcfg.num_rspq_elems = BFA_RSPQ_NELEMS_MIN;
+ cfg->drvcfg.min_cfg = BFA_TRUE;
+}