diff options
author | Krishna Gudipati <kgudipat@brocade.com> | 2010-09-15 11:50:55 -0700 |
---|---|---|
committer | James Bottomley <James.Bottomley@suse.de> | 2010-09-16 22:54:24 -0400 |
commit | a36c61f9025b8924f99f54d518763bee7aa84085 (patch) | |
tree | e1d58c382ad31fe1ad3c5f6bccde1b9df1d9fd8c /drivers/scsi/bfa/bfa_core.c | |
parent | edaed859e63aac174fcc3fed81886b91bb124661 (diff) | |
download | linux-a36c61f9025b8924f99f54d518763bee7aa84085.tar.bz2 |
[SCSI] bfa: cleanup driver
We have flattened the BFA hierarchy and also reduced the number of
source and header files we used to have earlier.
Signed-off-by: Krishna Gudipati <kgudipat@brocade.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
Diffstat (limited to 'drivers/scsi/bfa/bfa_core.c')
-rw-r--r-- | drivers/scsi/bfa/bfa_core.c | 1131 |
1 files changed, 1048 insertions, 83 deletions
diff --git a/drivers/scsi/bfa/bfa_core.c b/drivers/scsi/bfa/bfa_core.c index 76fa5c5b40dd..c2fa07f2485d 100644 --- a/drivers/scsi/bfa/bfa_core.c +++ b/drivers/scsi/bfa/bfa_core.c @@ -1,5 +1,5 @@ /* - * Copyright (c) 2005-2009 Brocade Communications Systems, Inc. + * Copyright (c) 2005-2010 Brocade Communications Systems, Inc. * All rights reserved * www.brocade.com * @@ -15,27 +15,992 @@ * General Public License for more details. */ -#include <bfa.h> -#include <defs/bfa_defs_pci.h> -#include <cs/bfa_debug.h> -#include <bfa_iocfc.h> +#include "bfa_modules.h" +#include "bfi_ctreg.h" +#include "bfad_drv.h" -#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 +BFA_TRC_FILE(HAL, CORE); -#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 +/** + * 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, +}; + +#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 + +/** + * forward declaration for IOC FC functions + */ +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; + +/** + * BFA Interrupt handling functions + */ +static void +bfa_msix_errint(struct bfa_s *bfa, u32 intr) +{ + bfa_ioc_error_isr(&bfa->ioc); +} + +static void +bfa_msix_lpu(struct bfa_s *bfa) +{ + bfa_ioc_mbox_isr(&bfa->ioc); +} + +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); + } +} + +void +bfa_msix_all(struct bfa_s *bfa, int vec) +{ + bfa_intx(bfa); +} + +/** + * hal_intr_api + */ +bfa_boolean_t +bfa_intx(struct bfa_s *bfa) +{ + u32 intr, qintr; + int queue; + + intr = bfa_reg_read(bfa->iocfc.bfa_regs.intr_status); + if (!intr) + return BFA_FALSE; + + /** + * RME completion queue interrupt + */ + qintr = intr & __HFN_INT_RME_MASK; + bfa_reg_write(bfa->iocfc.bfa_regs.intr_status, qintr); + + for (queue = 0; queue < BFI_IOC_MAX_CQS_ASIC; queue++) { + if (intr & (__HFN_INT_RME_Q0 << queue)) + bfa_msix_rspq(bfa, queue & (BFI_IOC_MAX_CQS - 1)); + } + intr &= ~qintr; + if (!intr) + return BFA_TRUE; + + /** + * CPE completion queue interrupt + */ + qintr = intr & __HFN_INT_CPE_MASK; + bfa_reg_write(bfa->iocfc.bfa_regs.intr_status, qintr); + + for (queue = 0; queue < BFI_IOC_MAX_CQS_ASIC; queue++) { + if (intr & (__HFN_INT_CPE_Q0 << queue)) + bfa_msix_reqq(bfa, queue & (BFI_IOC_MAX_CQS - 1)); + } + intr &= ~qintr; + if (!intr) + return BFA_TRUE; + + bfa_msix_lpu_err(bfa, intr); + + return BFA_TRUE; +} + +void +bfa_intx_enable(struct bfa_s *bfa) +{ + bfa_reg_write(bfa->iocfc.bfa_regs.intr_mask, bfa->iocfc.intr_mask); +} + +void +bfa_intx_disable(struct bfa_s *bfa) +{ + bfa_reg_write(bfa->iocfc.bfa_regs.intr_mask, -1L); +} + +void +bfa_isr_enable(struct bfa_s *bfa) +{ + u32 intr_unmask; + int pci_func = bfa_ioc_pcifn(&bfa->ioc); + + bfa_trc(bfa, pci_func); + + bfa_msix_install(bfa); + intr_unmask = (__HFN_INT_ERR_EMC | __HFN_INT_ERR_LPU0 | + __HFN_INT_ERR_LPU1 | __HFN_INT_ERR_PSS | + __HFN_INT_LL_HALT); + + if (pci_func == 0) + intr_unmask |= (__HFN_INT_CPE_Q0 | __HFN_INT_CPE_Q1 | + __HFN_INT_CPE_Q2 | __HFN_INT_CPE_Q3 | + __HFN_INT_RME_Q0 | __HFN_INT_RME_Q1 | + __HFN_INT_RME_Q2 | __HFN_INT_RME_Q3 | + __HFN_INT_MBOX_LPU0); + else + intr_unmask |= (__HFN_INT_CPE_Q4 | __HFN_INT_CPE_Q5 | + __HFN_INT_CPE_Q6 | __HFN_INT_CPE_Q7 | + __HFN_INT_RME_Q4 | __HFN_INT_RME_Q5 | + __HFN_INT_RME_Q6 | __HFN_INT_RME_Q7 | + __HFN_INT_MBOX_LPU1); + + bfa_reg_write(bfa->iocfc.bfa_regs.intr_status, intr_unmask); + bfa_reg_write(bfa->iocfc.bfa_regs.intr_mask, ~intr_unmask); + bfa->iocfc.intr_mask = ~intr_unmask; + bfa_isr_mode_set(bfa, bfa->msix.nvecs != 0); +} + +void +bfa_isr_disable(struct bfa_s *bfa) +{ + bfa_isr_mode_set(bfa, BFA_FALSE); + bfa_reg_write(bfa->iocfc.bfa_regs.intr_mask, -1L); + bfa_msix_uninstall(bfa); +} + +void +bfa_msix_reqq(struct bfa_s *bfa, int qid) +{ + struct list_head *waitq; + + qid &= (BFI_IOC_MAX_CQS - 1); + + bfa->iocfc.hwif.hw_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_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); + bfa_assert(0); + bfa_trc_stop(bfa->trcmod); +} + +void +bfa_msix_rspq(struct bfa_s *bfa, int qid) +{ + struct bfi_msg_s *m; + u32 pi, ci; + struct list_head *waitq; + + bfa_trc_fp(bfa, qid); + + qid &= (BFI_IOC_MAX_CQS - 1); + + bfa->iocfc.hwif.hw_rspq_ack(bfa, qid); + + ci = bfa_rspq_ci(bfa, qid); + pi = bfa_rspq_pi(bfa, qid); + + bfa_trc_fp(bfa, ci); + bfa_trc_fp(bfa, pi); + + if (bfa->rme_process) { + while (ci != pi) { + m = bfa_rspq_elem(bfa, qid, ci); + bfa_assert_fp(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); + } + } + + /** + * update CI + */ + bfa_rspq_ci(bfa, qid) = pi; + bfa_reg_write(bfa->iocfc.bfa_regs.rme_q_ci[qid], pi); + mmiowb(); + + /** + * 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_lpu_err(struct bfa_s *bfa, int vec) +{ + u32 intr, curr_value; + + intr = bfa_reg_read(bfa->iocfc.bfa_regs.intr_status); + + if (intr & (__HFN_INT_MBOX_LPU0 | __HFN_INT_MBOX_LPU1)) + bfa_msix_lpu(bfa); + + intr &= (__HFN_INT_ERR_EMC | __HFN_INT_ERR_LPU0 | + __HFN_INT_ERR_LPU1 | __HFN_INT_ERR_PSS | __HFN_INT_LL_HALT); + + if (intr) { + if (intr & __HFN_INT_LL_HALT) { + /** + * 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 = bfa_reg_read(bfa->ioc.ioc_regs.ll_halt); + curr_value &= ~__FW_INIT_HALT_P; + bfa_reg_write(bfa->ioc.ioc_regs.ll_halt, curr_value); + } + + if (intr & __HFN_INT_ERR_PSS) { + /** + * ERR_PSS bit needs to be cleared as well in case + * interrups are shared so driver's interrupt handler is + * still called eventhough it is already masked out. + */ + curr_value = bfa_reg_read( + bfa->ioc.ioc_regs.pss_err_status_reg); + curr_value &= __PSS_ERR_STATUS_SET; + bfa_reg_write(bfa->ioc.ioc_regs.pss_err_status_reg, + curr_value); + } + + bfa_reg_write(bfa->iocfc.bfa_regs.intr_status, intr); + bfa_msix_errint(bfa, intr); + } +} + +void +bfa_isr_bind(enum bfi_mclass mc, bfa_isr_func_t isr_func) +{ + bfa_isrs[mc] = isr_func; +} + +/** + * BFA IOC FC related functions + */ + +/** + * hal_ioc_pvt BFA IOC private functions + */ + +static void +bfa_iocfc_cqs_sz(struct bfa_iocfc_cfg_s *cfg, u32 *dm_len) +{ + int i, per_reqq_sz, per_rspq_sz; + + 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); + + /* + * Calculate CQ size + */ + for (i = 0; i < cfg->fwcfg.num_cqs; i++) { + *dm_len = *dm_len + per_reqq_sz; + *dm_len = *dm_len + per_rspq_sz; + } + + /* + * Calculate Shadow CI/PI size + */ + for (i = 0; i < cfg->fwcfg.num_cqs; i++) + *dm_len += (2 * BFA_CACHELINE_SZ); +} + +static void +bfa_iocfc_fw_cfg_sz(struct bfa_iocfc_cfg_s *cfg, u32 *dm_len) +{ + *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); +} + +/** + * 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; + + bfa_assert(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->endian_sig = BFI_IOC_ENDIAN_SIG; + cfg_info->num_cqs = cfg->fwcfg.num_cqs; + + 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] = + bfa_os_htons(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] = + bfa_os_htons(cfg->drvcfg.num_rspq_elems); + } + + /** + * Enable interrupt coalescing if it is driver init path + * and not ioc disable/enable path. + */ + if (!iocfc->cfgdone) + cfg_info->intr_attr.coalesce = BFA_TRUE; + + iocfc->cfgdone = BFA_FALSE; + + /** + * dma map IOC configuration itself + */ + bfi_h2i_set(cfg_req.mh, BFI_MC_IOCFC, BFI_IOCFC_H2I_CFG_REQ, + bfa_lpuid(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->action = BFA_IOCFC_ACT_NONE; + + bfa_os_assign(iocfc->cfg, *cfg); + + /** + * Initialize chip specific handlers. + */ + if (bfa_asic_id_ct(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_install = bfa_hwct_msix_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; + } else { + iocfc->hwif.hw_reginit = bfa_hwcb_reginit; + iocfc->hwif.hw_reqq_ack = bfa_hwcb_reqq_ack; + iocfc->hwif.hw_rspq_ack = bfa_hwcb_rspq_ack; + iocfc->hwif.hw_msix_init = bfa_hwcb_msix_init; + iocfc->hwif.hw_msix_install = bfa_hwcb_msix_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.hw_reginit(bfa); + bfa->msix.nvecs = 0; +} + +static void +bfa_iocfc_mem_claim(struct bfa_s *bfa, struct bfa_iocfc_cfg_s *cfg, + struct bfa_meminfo_s *meminfo) +{ + u8 *dm_kva; + u64 dm_pa; + int i, per_reqq_sz, per_rspq_sz; + struct bfa_iocfc_s *iocfc = &bfa->iocfc; + int dbgsz; + + dm_kva = bfa_meminfo_dma_virt(meminfo); + dm_pa = bfa_meminfo_dma_phys(meminfo); + + /* + * First allocate dma memory for IOC. + */ + bfa_ioc_mem_claim(&bfa->ioc, dm_kva, dm_pa); + dm_kva += bfa_ioc_meminfo(); + dm_pa += bfa_ioc_meminfo(); + + /* + * Claim DMA-able memory for the request/response queues and for shadow + * ci/pi registers + */ + 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++) { + iocfc->req_cq_ba[i].kva = dm_kva; + iocfc->req_cq_ba[i].pa = dm_pa; + bfa_os_memset(dm_kva, 0, per_reqq_sz); + dm_kva += per_reqq_sz; + dm_pa += per_reqq_sz; + + iocfc->rsp_cq_ba[i].kva = dm_kva; + iocfc->rsp_cq_ba[i].pa = dm_pa; + bfa_os_memset(dm_kva, 0, per_rspq_sz); + dm_kva += per_rspq_sz; + dm_pa += per_rspq_sz; + } + + 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 DMA-able 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 DMA-able 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); + + + bfa_meminfo_dma_virt(meminfo) = dm_kva; + bfa_meminfo_dma_phys(meminfo) = dm_pa; + + dbgsz = bfa_ioc_debug_trcsz(bfa_auto_recover); + if (dbgsz > 0) { + bfa_ioc_debug_memclaim(&bfa->ioc, bfa_meminfo_kva(meminfo)); + bfa_meminfo_kva(meminfo) += dbgsz; + } +} + +/** + * Start BFA submodules. + */ +static void +bfa_iocfc_start_submod(struct bfa_s *bfa) +{ + int i; + + bfa->rme_process = BFA_TRUE; + + for (i = 0; hal_mods[i]; i++) + hal_mods[i]->start(bfa); +} + +/** + * Disable BFA submodules. + */ +static void +bfa_iocfc_disable_submod(struct bfa_s *bfa) +{ + int i; + + for (i = 0; hal_mods[i]; i++) + hal_mods[i]->iocdisable(bfa); +} + +static void +bfa_iocfc_init_cb(void *bfa_arg, bfa_boolean_t complete) +{ + struct bfa_s *bfa = bfa_arg; + + if (complete) { + if (bfa->iocfc.cfgdone) + bfa_cb_init(bfa->bfad, BFA_STATUS_OK); + else + bfa_cb_init(bfa->bfad, BFA_STATUS_FAILED); + } else { + if (bfa->iocfc.cfgdone) + bfa->iocfc.action = BFA_IOCFC_ACT_NONE; + } +} + +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); + else + bfa->iocfc.action = BFA_IOCFC_ACT_NONE; +} + +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); +} + +/** + * 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 = bfa_os_ntohs(fwcfg->num_ioim_reqs); + fwcfg->num_tskim_reqs = bfa_os_ntohs(fwcfg->num_tskim_reqs); + fwcfg->num_fcxp_reqs = bfa_os_ntohs(fwcfg->num_fcxp_reqs); + fwcfg->num_uf_bufs = bfa_os_ntohs(fwcfg->num_uf_bufs); + fwcfg->num_rports = bfa_os_ntohs(fwcfg->num_rports); + + iocfc->cfgdone = BFA_TRUE; + + /** + * Configuration is complete - initialize/start submodules + */ + bfa_fcport_init(bfa); + + if (iocfc->action == BFA_IOCFC_ACT_INIT) + bfa_cb_queue(bfa, &iocfc->init_hcb_qe, bfa_iocfc_init_cb, bfa); + else + bfa_iocfc_start_submod(bfa); +} +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; + } +} + +/** + * 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_isr_disable(bfa); + if (bfa->iocfc.action == BFA_IOCFC_ACT_INIT) + bfa_cb_queue(bfa, &bfa->iocfc.init_hcb_qe, + bfa_iocfc_init_cb, bfa); + return; + } + + bfa_iocfc_send_cfg(bfa); +} + +/** + * IOC disable request is complete + */ +static void +bfa_iocfc_disable_cbfn(void *bfa_arg) +{ + struct bfa_s *bfa = bfa_arg; + + bfa_isr_disable(bfa); + bfa_iocfc_disable_submod(bfa); + + if (bfa->iocfc.action == BFA_IOCFC_ACT_STOP) + bfa_cb_queue(bfa, &bfa->iocfc.stop_hcb_qe, bfa_iocfc_stop_cb, + bfa); + else { + bfa_assert(bfa->iocfc.action == BFA_IOCFC_ACT_DISABLE); + bfa_cb_queue(bfa, &bfa->iocfc.dis_hcb_qe, bfa_iocfc_disable_cb, + bfa); + } +} + +/** + * Notify sub-modules of hardware failure. + */ +static void +bfa_iocfc_hbfail_cbfn(void *bfa_arg) +{ + struct bfa_s *bfa = bfa_arg; + + bfa->rme_process = BFA_FALSE; + + bfa_isr_disable(bfa); + bfa_iocfc_disable_submod(bfa); + + if (bfa->iocfc.action == BFA_IOCFC_ACT_INIT) + bfa_cb_queue(bfa, &bfa->iocfc.init_hcb_qe, bfa_iocfc_init_cb, + bfa); +} + +/** + * 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); +} + +/** + * hal_ioc_public + */ + +/** + * Query IOC memory requirement information. + */ +void +bfa_iocfc_meminfo(struct bfa_iocfc_cfg_s *cfg, u32 *km_len, + u32 *dm_len) +{ + /* dma memory for IOC */ + *dm_len += bfa_ioc_meminfo(); + + bfa_iocfc_fw_cfg_sz(cfg, dm_len); + bfa_iocfc_cqs_sz(cfg, dm_len); + *km_len += bfa_ioc_debug_trcsz(bfa_auto_recover); +} + +/** + * Query IOC memory requirement information. + */ +void +bfa_iocfc_attach(struct bfa_s *bfa, void *bfad, struct bfa_iocfc_cfg_s *cfg, + struct bfa_meminfo_s *meminfo, 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); + + /** + * Set FC mode for BFA_PCI_DEVICE_ID_CT_FC. + */ + if (pcidev->device_id == BFA_PCI_DEVICE_ID_CT_FC) + bfa_ioc_set_fcmode(&bfa->ioc); + + bfa_ioc_pci_init(&bfa->ioc, pcidev, BFI_MC_IOCFC); + bfa_ioc_mbox_register(&bfa->ioc, bfa_mbox_isrs); + + bfa_iocfc_init_mem(bfa, bfad, cfg, pcidev); + bfa_iocfc_mem_claim(bfa, cfg, meminfo); + bfa_timer_init(&bfa->timer_mod); + + INIT_LIST_HEAD(&bfa->comp_q); + for (i = 0; i < BFI_IOC_MAX_CQS; i++) + INIT_LIST_HEAD(&bfa->reqq_waitq[i]); +} + +/** + * Query IOC memory requirement information. + */ +void +bfa_iocfc_detach(struct bfa_s *bfa) +{ + bfa_ioc_detach(&bfa->ioc); +} + +/** + * Query IOC memory requirement information. + */ +void +bfa_iocfc_init(struct bfa_s *bfa) +{ + bfa->iocfc.action = BFA_IOCFC_ACT_INIT; + bfa_ioc_enable(&bfa->ioc); +} + +/** + * 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) +{ + if (bfa->iocfc.cfgdone) + bfa_iocfc_start_submod(bfa); +} + +/** + * IOC stop called from bfa_stop(). Called only when driver is unloaded + * for this instance. + */ +void +bfa_iocfc_stop(struct bfa_s *bfa) +{ + bfa->iocfc.action = BFA_IOCFC_ACT_STOP; + + bfa->rme_process = BFA_FALSE; + bfa_ioc_disable(&bfa->ioc); +} + +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: + iocfc->cfg_reply = &msg->cfg_reply; + bfa_iocfc_cfgrsp(bfa); + break; + case BFI_IOCFC_I2H_UPDATEQ_RSP: + iocfc->updateq_cbfn(iocfc->updateq_cbarg, BFA_STATUS_OK); + break; + default: + bfa_assert(0); + } +} + +void +bfa_adapter_get_attr(struct bfa_s *bfa, struct bfa_adapter_attr_s *ad_attr) +{ + bfa_ioc_get_adapter_attr(&bfa->ioc, ad_attr); +} + +u64 +bfa_adapter_get_id(struct bfa_s *bfa) +{ + return bfa_ioc_get_adid(&bfa->ioc); +} + +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 ? + bfa_os_ntohs(iocfc->cfginfo->intr_attr.delay) : + bfa_os_ntohs(iocfc->cfgrsp->intr_attr.delay); + + attr->intr_attr.latency = iocfc->cfginfo->intr_attr.latency ? + bfa_os_ntohs(iocfc->cfginfo->intr_attr.latency) : + bfa_os_ntohs(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 = bfa_os_htons(attr->delay); + iocfc->cfginfo->intr_attr.latency = bfa_os_htons(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_lpuid(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); + return BFA_STATUS_OK; +} + +void +bfa_iocfc_set_snsbase(struct bfa_s *bfa, 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, 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_ioc_enable(&bfa->ioc); +} + +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->iocfc.action = BFA_IOCFC_ACT_DISABLE; + + bfa->rme_process = BFA_FALSE; + bfa_ioc_disable(&bfa->ioc); +} + + +bfa_boolean_t +bfa_iocfc_is_operational(struct bfa_s *bfa) +{ + return bfa_ioc_is_operational(&bfa->ioc) && bfa->iocfc.cfgdone; +} + +/** + * 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)); +} + +void +bfa_iocfc_get_pbc_boot_cfg(struct bfa_s *bfa, struct bfa_boot_pbc_s *pbcfg) +{ + struct bfa_iocfc_s *iocfc = &bfa->iocfc; + struct bfi_iocfc_cfgrsp_s *cfgrsp = iocfc->cfgrsp; + + pbcfg->enable = cfgrsp->pbc_cfg.boot_enabled; + pbcfg->nbluns = cfgrsp->pbc_cfg.nbluns; + pbcfg->speed = cfgrsp->pbc_cfg.port_speed; + memcpy(pbcfg->pblun, cfgrsp->pbc_cfg.blun, sizeof(pbcfg->pblun)); +} + +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; +} + +/** + * hal_api + */ /** * Use this function query the memory requirement of the BFA library. @@ -45,16 +1010,16 @@ * 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. + * @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 + * 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 + * indicates the memory type (see bfa_mem_type_t) and * amount of memory required. * * Driver should allocate the memory, populate the @@ -68,8 +1033,8 @@ void bfa_cfg_get_meminfo(struct bfa_iocfc_cfg_s *cfg, struct bfa_meminfo_s *meminfo) { - int i; - u32 km_len = 0, dm_len = 0; + int i; + u32 km_len = 0, dm_len = 0; bfa_assert((cfg != NULL) && (meminfo != NULL)); @@ -90,26 +1055,6 @@ bfa_cfg_get_meminfo(struct bfa_iocfc_cfg_s *cfg, struct bfa_meminfo_s *meminfo) meminfo->meminfo[BFA_MEM_TYPE_DMA - 1].mem_len = dm_len; } -static void -bfa_com_port_attach(struct bfa_s *bfa, struct bfa_meminfo_s *mi) -{ - struct bfa_port_s *port = &bfa->modules.port; - uint32_t dm_len; - uint8_t *dm_kva; - uint64_t dm_pa; - - dm_len = bfa_port_meminfo(); - dm_kva = bfa_meminfo_dma_virt(mi); - dm_pa = bfa_meminfo_dma_phys(mi); - - memset(port, 0, sizeof(struct bfa_port_s)); - bfa_port_attach(port, &bfa->ioc, bfa, bfa->trcmod, bfa->logm); - bfa_port_mem_claim(port, dm_kva, dm_pa); - - bfa_meminfo_dma_virt(mi) = dm_kva + dm_len; - bfa_meminfo_dma_phys(mi) = dm_pa + dm_len; -} - /** * Use this function to do attach the driver instance with the BFA * library. This function will not trigger any HW initialization @@ -119,14 +1064,14 @@ bfa_com_port_attach(struct bfa_s *bfa, struct bfa_meminfo_s *mi) * 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] 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 + * 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 @@ -140,8 +1085,8 @@ 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) { - int i; - struct bfa_mem_elem_s *melem; + int i; + struct bfa_mem_elem_s *melem; bfa->fcs = BFA_FALSE; @@ -195,20 +1140,6 @@ bfa_init_trc(struct bfa_s *bfa, struct bfa_trc_mod_s *trcmod) bfa->trcmod = trcmod; } - -void -bfa_init_log(struct bfa_s *bfa, struct bfa_log_mod_s *logmod) -{ - bfa->logm = logmod; -} - - -void -bfa_init_aen(struct bfa_s *bfa, struct bfa_aen_s *aen) -{ - bfa->aen = aen; -} - void bfa_init_plog(struct bfa_s *bfa, struct bfa_plog_s *plog) { @@ -254,14 +1185,14 @@ bfa_start(struct bfa_s *bfa) /** * Use this function quiese the IOC. This function will return immediately, - * when the IOC is actually stopped, the bfa_cb_stop() will be called. + * when the IOC is actually stopped, the bfad->comp will be set. * - * @param[in] bfa - pointer to bfa_t. + * @param[in]bfa - pointer to bfa_t. * * @return None * * Special Considerations: - * bfa_cb_stop() could be called before or after bfa_stop() returns. + * bfad->comp can be set before or after bfa_stop() returns. * * @note * In case of any failure, we could handle it automatically by doing a @@ -283,9 +1214,9 @@ bfa_comp_deq(struct bfa_s *bfa, struct list_head *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; + struct list_head *qe; + struct list_head *qen; + struct bfa_cb_qe_s *hcb_qe; list_for_each_safe(qe, qen, comp_q) { hcb_qe = (struct bfa_cb_qe_s *) qe; @@ -296,8 +1227,8 @@ bfa_comp_process(struct bfa_s *bfa, struct list_head *comp_q) void bfa_comp_free(struct bfa_s *bfa, struct list_head *comp_q) { - struct list_head *qe; - struct bfa_cb_qe_s *hcb_qe; + struct list_head *qe; + struct bfa_cb_qe_s *hcb_qe; while (!list_empty(comp_q)) { bfa_q_deq(comp_q, &qe); @@ -321,7 +1252,6 @@ bfa_timer_tick(struct bfa_s *bfa) bfa_timer_beat(&bfa->timer_mod); } -#ifndef BFA_BIOS_BUILD /** * Return the list of PCI vendor/device id lists supported by this * BFA instance. @@ -336,7 +1266,7 @@ bfa_get_pciids(struct bfa_pciid_s **pciids, int *npciids) {BFA_PCI_VENDOR_ID_BROCADE, BFA_PCI_DEVICE_ID_CT_FC}, }; - *npciids = ARRAY_SIZE(__pciids); + *npciids = sizeof(__pciids) / sizeof(__pciids[0]); *pciids = __pciids; } @@ -351,7 +1281,7 @@ bfa_get_pciids(struct bfa_pciid_s **pciids, int *npciids) * void * * Special Considerations: - * note + * note */ void bfa_cfg_get_default(struct bfa_iocfc_cfg_s *cfg) @@ -389,7 +1319,7 @@ bfa_cfg_get_min(struct bfa_iocfc_cfg_s *cfg) 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; + cfg->drvcfg.min_cfg = BFA_TRUE; } void @@ -417,7 +1347,7 @@ bfa_debug_fwsave_clear(struct bfa_s *bfa) } /** - * Fetch firmware trace data. + * Fetch firmware trace data. * * @param[in] bfa BFA instance * @param[out] trcdata Firmware trace buffer @@ -433,6 +1363,22 @@ bfa_debug_fwtrc(struct bfa_s *bfa, void *trcdata, int *trclen) } /** + * Dump firmware memory. + * + * @param[in] bfa BFA instance + * @param[out] buf buffer for dump + * @param[in,out] offset smem offset to start read + * @param[in,out] buflen length of buffer + * + * @retval BFA_STATUS_OK Firmware memory is dumped. + * @retval BFA_STATUS_INPROGRESS Firmware memory dump is in progress. + */ +bfa_status_t +bfa_debug_fwcore(struct bfa_s *bfa, void *buf, u32 *offset, int *buflen) +{ + return bfa_ioc_debug_fwcore(&bfa->ioc, buf, offset, buflen); +} +/** * Reset hw semaphore & usage cnt regs and initialize. */ void @@ -441,4 +1387,23 @@ bfa_chip_reset(struct bfa_s *bfa) bfa_ioc_ownership_reset(&bfa->ioc); bfa_ioc_pll_init(&bfa->ioc); } -#endif + +/** + * Fetch firmware statistics data. + * + * @param[in] bfa BFA instance + * @param[out] data Firmware stats buffer + * + * @retval BFA_STATUS_OK Firmware trace is fetched. + */ +bfa_status_t +bfa_fw_stats_get(struct bfa_s *bfa, void *data) +{ + return bfa_ioc_fw_stats_get(&bfa->ioc, data); +} + +bfa_status_t +bfa_fw_stats_clear(struct bfa_s *bfa) +{ + return bfa_ioc_fw_stats_clear(&bfa->ioc); +} |