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path: root/drivers/scsi/bfa/bfa_fcxp.c
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Diffstat (limited to 'drivers/scsi/bfa/bfa_fcxp.c')
-rw-r--r--drivers/scsi/bfa/bfa_fcxp.c774
1 files changed, 0 insertions, 774 deletions
diff --git a/drivers/scsi/bfa/bfa_fcxp.c b/drivers/scsi/bfa/bfa_fcxp.c
deleted file mode 100644
index 8258f88bfee..00000000000
--- a/drivers/scsi/bfa/bfa_fcxp.c
+++ /dev/null
@@ -1,774 +0,0 @@
-/*
- * Copyright (c) 2005-2009 Brocade Communications Systems, Inc.
- * All rights reserved
- * www.brocade.com
- *
- * Linux driver for Brocade Fibre Channel Host Bus Adapter.
- *
- * 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.
- */
-
-#include <bfa.h>
-#include <bfi/bfi_uf.h>
-#include <cs/bfa_debug.h>
-
-BFA_TRC_FILE(HAL, FCXP);
-BFA_MODULE(fcxp);
-
-/**
- * forward declarations
- */
-static void __bfa_fcxp_send_cbfn(void *cbarg, bfa_boolean_t complete);
-static void hal_fcxp_rx_plog(struct bfa_s *bfa, struct bfa_fcxp_s *fcxp,
- struct bfi_fcxp_send_rsp_s *fcxp_rsp);
-static void hal_fcxp_tx_plog(struct bfa_s *bfa, u32 reqlen,
- struct bfa_fcxp_s *fcxp, struct fchs_s *fchs);
-static void bfa_fcxp_qresume(void *cbarg);
-static void bfa_fcxp_queue(struct bfa_fcxp_s *fcxp,
- struct bfi_fcxp_send_req_s *send_req);
-
-/**
- * fcxp_pvt BFA FCXP private functions
- */
-
-static void
-claim_fcxp_req_rsp_mem(struct bfa_fcxp_mod_s *mod, struct bfa_meminfo_s *mi)
-{
- u8 *dm_kva = NULL;
- u64 dm_pa;
- u32 buf_pool_sz;
-
- dm_kva = bfa_meminfo_dma_virt(mi);
- dm_pa = bfa_meminfo_dma_phys(mi);
-
- buf_pool_sz = mod->req_pld_sz * mod->num_fcxps;
-
- /*
- * Initialize the fcxp req payload list
- */
- mod->req_pld_list_kva = dm_kva;
- mod->req_pld_list_pa = dm_pa;
- dm_kva += buf_pool_sz;
- dm_pa += buf_pool_sz;
- bfa_os_memset(mod->req_pld_list_kva, 0, buf_pool_sz);
-
- /*
- * Initialize the fcxp rsp payload list
- */
- buf_pool_sz = mod->rsp_pld_sz * mod->num_fcxps;
- mod->rsp_pld_list_kva = dm_kva;
- mod->rsp_pld_list_pa = dm_pa;
- dm_kva += buf_pool_sz;
- dm_pa += buf_pool_sz;
- bfa_os_memset(mod->rsp_pld_list_kva, 0, buf_pool_sz);
-
- bfa_meminfo_dma_virt(mi) = dm_kva;
- bfa_meminfo_dma_phys(mi) = dm_pa;
-}
-
-static void
-claim_fcxps_mem(struct bfa_fcxp_mod_s *mod, struct bfa_meminfo_s *mi)
-{
- u16 i;
- struct bfa_fcxp_s *fcxp;
-
- fcxp = (struct bfa_fcxp_s *) bfa_meminfo_kva(mi);
- bfa_os_memset(fcxp, 0, sizeof(struct bfa_fcxp_s) * mod->num_fcxps);
-
- INIT_LIST_HEAD(&mod->fcxp_free_q);
- INIT_LIST_HEAD(&mod->fcxp_active_q);
-
- mod->fcxp_list = fcxp;
-
- for (i = 0; i < mod->num_fcxps; i++) {
- fcxp->fcxp_mod = mod;
- fcxp->fcxp_tag = i;
-
- list_add_tail(&fcxp->qe, &mod->fcxp_free_q);
- bfa_reqq_winit(&fcxp->reqq_wqe, bfa_fcxp_qresume, fcxp);
- fcxp->reqq_waiting = BFA_FALSE;
-
- fcxp = fcxp + 1;
- }
-
- bfa_meminfo_kva(mi) = (void *)fcxp;
-}
-
-static void
-bfa_fcxp_meminfo(struct bfa_iocfc_cfg_s *cfg, u32 *ndm_len,
- u32 *dm_len)
-{
- u16 num_fcxp_reqs = cfg->fwcfg.num_fcxp_reqs;
-
- if (num_fcxp_reqs == 0)
- return;
-
- /*
- * Account for req/rsp payload
- */
- *dm_len += BFA_FCXP_MAX_IBUF_SZ * num_fcxp_reqs;
- if (cfg->drvcfg.min_cfg)
- *dm_len += BFA_FCXP_MAX_IBUF_SZ * num_fcxp_reqs;
- else
- *dm_len += BFA_FCXP_MAX_LBUF_SZ * num_fcxp_reqs;
-
- /*
- * Account for fcxp structs
- */
- *ndm_len += sizeof(struct bfa_fcxp_s) * num_fcxp_reqs;
-}
-
-static void
-bfa_fcxp_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_fcxp_mod_s *mod = BFA_FCXP_MOD(bfa);
-
- bfa_os_memset(mod, 0, sizeof(struct bfa_fcxp_mod_s));
- mod->bfa = bfa;
- mod->num_fcxps = cfg->fwcfg.num_fcxp_reqs;
-
- /**
- * Initialize FCXP request and response payload sizes.
- */
- mod->req_pld_sz = mod->rsp_pld_sz = BFA_FCXP_MAX_IBUF_SZ;
- if (!cfg->drvcfg.min_cfg)
- mod->rsp_pld_sz = BFA_FCXP_MAX_LBUF_SZ;
-
- INIT_LIST_HEAD(&mod->wait_q);
-
- claim_fcxp_req_rsp_mem(mod, meminfo);
- claim_fcxps_mem(mod, meminfo);
-}
-
-static void
-bfa_fcxp_detach(struct bfa_s *bfa)
-{
-}
-
-static void
-bfa_fcxp_start(struct bfa_s *bfa)
-{
-}
-
-static void
-bfa_fcxp_stop(struct bfa_s *bfa)
-{
-}
-
-static void
-bfa_fcxp_iocdisable(struct bfa_s *bfa)
-{
- struct bfa_fcxp_mod_s *mod = BFA_FCXP_MOD(bfa);
- struct bfa_fcxp_s *fcxp;
- struct list_head *qe, *qen;
-
- list_for_each_safe(qe, qen, &mod->fcxp_active_q) {
- fcxp = (struct bfa_fcxp_s *) qe;
- if (fcxp->caller == NULL) {
- fcxp->send_cbfn(fcxp->caller, fcxp, fcxp->send_cbarg,
- BFA_STATUS_IOC_FAILURE, 0, 0, NULL);
- bfa_fcxp_free(fcxp);
- } else {
- fcxp->rsp_status = BFA_STATUS_IOC_FAILURE;
- bfa_cb_queue(bfa, &fcxp->hcb_qe,
- __bfa_fcxp_send_cbfn, fcxp);
- }
- }
-}
-
-static struct bfa_fcxp_s *
-bfa_fcxp_get(struct bfa_fcxp_mod_s *fm)
-{
- struct bfa_fcxp_s *fcxp;
-
- bfa_q_deq(&fm->fcxp_free_q, &fcxp);
-
- if (fcxp)
- list_add_tail(&fcxp->qe, &fm->fcxp_active_q);
-
- return fcxp;
-}
-
-static void
-bfa_fcxp_put(struct bfa_fcxp_s *fcxp)
-{
- struct bfa_fcxp_mod_s *mod = fcxp->fcxp_mod;
- struct bfa_fcxp_wqe_s *wqe;
-
- bfa_q_deq(&mod->wait_q, &wqe);
- if (wqe) {
- bfa_trc(mod->bfa, fcxp->fcxp_tag);
- wqe->alloc_cbfn(wqe->alloc_cbarg, fcxp);
- return;
- }
-
- bfa_assert(bfa_q_is_on_q(&mod->fcxp_active_q, fcxp));
- list_del(&fcxp->qe);
- list_add_tail(&fcxp->qe, &mod->fcxp_free_q);
-}
-
-static void
-bfa_fcxp_null_comp(void *bfad_fcxp, struct bfa_fcxp_s *fcxp, void *cbarg,
- bfa_status_t req_status, u32 rsp_len,
- u32 resid_len, struct fchs_s *rsp_fchs)
-{
- /* discarded fcxp completion */
-}
-
-static void
-__bfa_fcxp_send_cbfn(void *cbarg, bfa_boolean_t complete)
-{
- struct bfa_fcxp_s *fcxp = cbarg;
-
- if (complete) {
- fcxp->send_cbfn(fcxp->caller, fcxp, fcxp->send_cbarg,
- fcxp->rsp_status, fcxp->rsp_len,
- fcxp->residue_len, &fcxp->rsp_fchs);
- } else {
- bfa_fcxp_free(fcxp);
- }
-}
-
-static void
-hal_fcxp_send_comp(struct bfa_s *bfa, struct bfi_fcxp_send_rsp_s *fcxp_rsp)
-{
- struct bfa_fcxp_mod_s *mod = BFA_FCXP_MOD(bfa);
- struct bfa_fcxp_s *fcxp;
- u16 fcxp_tag = bfa_os_ntohs(fcxp_rsp->fcxp_tag);
-
- bfa_trc(bfa, fcxp_tag);
-
- fcxp_rsp->rsp_len = bfa_os_ntohl(fcxp_rsp->rsp_len);
-
- /**
- * @todo f/w should not set residue to non-0 when everything
- * is received.
- */
- if (fcxp_rsp->req_status == BFA_STATUS_OK)
- fcxp_rsp->residue_len = 0;
- else
- fcxp_rsp->residue_len = bfa_os_ntohl(fcxp_rsp->residue_len);
-
- fcxp = BFA_FCXP_FROM_TAG(mod, fcxp_tag);
-
- bfa_assert(fcxp->send_cbfn != NULL);
-
- hal_fcxp_rx_plog(mod->bfa, fcxp, fcxp_rsp);
-
- if (fcxp->send_cbfn != NULL) {
- if (fcxp->caller == NULL) {
- bfa_trc(mod->bfa, fcxp->fcxp_tag);
-
- fcxp->send_cbfn(fcxp->caller, fcxp, fcxp->send_cbarg,
- fcxp_rsp->req_status, fcxp_rsp->rsp_len,
- fcxp_rsp->residue_len, &fcxp_rsp->fchs);
- /*
- * fcxp automatically freed on return from the callback
- */
- bfa_fcxp_free(fcxp);
- } else {
- bfa_trc(mod->bfa, fcxp->fcxp_tag);
- fcxp->rsp_status = fcxp_rsp->req_status;
- fcxp->rsp_len = fcxp_rsp->rsp_len;
- fcxp->residue_len = fcxp_rsp->residue_len;
- fcxp->rsp_fchs = fcxp_rsp->fchs;
-
- bfa_cb_queue(bfa, &fcxp->hcb_qe,
- __bfa_fcxp_send_cbfn, fcxp);
- }
- } else {
- bfa_trc(bfa, fcxp_tag);
- }
-}
-
-static void
-hal_fcxp_set_local_sges(struct bfi_sge_s *sge, u32 reqlen, u64 req_pa)
-{
- union bfi_addr_u sga_zero = { {0} };
-
- sge->sg_len = reqlen;
- sge->flags = BFI_SGE_DATA_LAST;
- bfa_dma_addr_set(sge[0].sga, req_pa);
- bfa_sge_to_be(sge);
- sge++;
-
- sge->sga = sga_zero;
- sge->sg_len = reqlen;
- sge->flags = BFI_SGE_PGDLEN;
- bfa_sge_to_be(sge);
-}
-
-static void
-hal_fcxp_tx_plog(struct bfa_s *bfa, u32 reqlen, struct bfa_fcxp_s *fcxp,
- struct fchs_s *fchs)
-{
- /*
- * TODO: TX ox_id
- */
- if (reqlen > 0) {
- if (fcxp->use_ireqbuf) {
- u32 pld_w0 =
- *((u32 *) BFA_FCXP_REQ_PLD(fcxp));
-
- bfa_plog_fchdr_and_pl(bfa->plog, BFA_PL_MID_HAL_FCXP,
- BFA_PL_EID_TX,
- reqlen + sizeof(struct fchs_s), fchs, pld_w0);
- } else {
- bfa_plog_fchdr(bfa->plog, BFA_PL_MID_HAL_FCXP,
- BFA_PL_EID_TX, reqlen + sizeof(struct fchs_s),
- fchs);
- }
- } else {
- bfa_plog_fchdr(bfa->plog, BFA_PL_MID_HAL_FCXP, BFA_PL_EID_TX,
- reqlen + sizeof(struct fchs_s), fchs);
- }
-}
-
-static void
-hal_fcxp_rx_plog(struct bfa_s *bfa, struct bfa_fcxp_s *fcxp,
- struct bfi_fcxp_send_rsp_s *fcxp_rsp)
-{
- if (fcxp_rsp->rsp_len > 0) {
- if (fcxp->use_irspbuf) {
- u32 pld_w0 =
- *((u32 *) BFA_FCXP_RSP_PLD(fcxp));
-
- bfa_plog_fchdr_and_pl(bfa->plog, BFA_PL_MID_HAL_FCXP,
- BFA_PL_EID_RX,
- (u16) fcxp_rsp->rsp_len,
- &fcxp_rsp->fchs, pld_w0);
- } else {
- bfa_plog_fchdr(bfa->plog, BFA_PL_MID_HAL_FCXP,
- BFA_PL_EID_RX,
- (u16) fcxp_rsp->rsp_len,
- &fcxp_rsp->fchs);
- }
- } else {
- bfa_plog_fchdr(bfa->plog, BFA_PL_MID_HAL_FCXP, BFA_PL_EID_RX,
- (u16) fcxp_rsp->rsp_len, &fcxp_rsp->fchs);
- }
-}
-
-/**
- * Handler to resume sending fcxp when space in available in cpe queue.
- */
-static void
-bfa_fcxp_qresume(void *cbarg)
-{
- struct bfa_fcxp_s *fcxp = cbarg;
- struct bfa_s *bfa = fcxp->fcxp_mod->bfa;
- struct bfi_fcxp_send_req_s *send_req;
-
- fcxp->reqq_waiting = BFA_FALSE;
- send_req = bfa_reqq_next(bfa, BFA_REQQ_FCXP);
- bfa_fcxp_queue(fcxp, send_req);
-}
-
-/**
- * Queue fcxp send request to foimrware.
- */
-static void
-bfa_fcxp_queue(struct bfa_fcxp_s *fcxp, struct bfi_fcxp_send_req_s *send_req)
-{
- struct bfa_s *bfa = fcxp->fcxp_mod->bfa;
- struct bfa_fcxp_req_info_s *reqi = &fcxp->req_info;
- struct bfa_fcxp_rsp_info_s *rspi = &fcxp->rsp_info;
- struct bfa_rport_s *rport = reqi->bfa_rport;
-
- bfi_h2i_set(send_req->mh, BFI_MC_FCXP, BFI_FCXP_H2I_SEND_REQ,
- bfa_lpuid(bfa));
-
- send_req->fcxp_tag = bfa_os_htons(fcxp->fcxp_tag);
- if (rport) {
- send_req->rport_fw_hndl = rport->fw_handle;
- send_req->max_frmsz = bfa_os_htons(rport->rport_info.max_frmsz);
- if (send_req->max_frmsz == 0)
- send_req->max_frmsz = bfa_os_htons(FC_MAX_PDUSZ);
- } else {
- send_req->rport_fw_hndl = 0;
- send_req->max_frmsz = bfa_os_htons(FC_MAX_PDUSZ);
- }
-
- send_req->vf_id = bfa_os_htons(reqi->vf_id);
- send_req->lp_tag = reqi->lp_tag;
- send_req->class = reqi->class;
- send_req->rsp_timeout = rspi->rsp_timeout;
- send_req->cts = reqi->cts;
- send_req->fchs = reqi->fchs;
-
- send_req->req_len = bfa_os_htonl(reqi->req_tot_len);
- send_req->rsp_maxlen = bfa_os_htonl(rspi->rsp_maxlen);
-
- /*
- * setup req sgles
- */
- if (fcxp->use_ireqbuf == 1) {
- hal_fcxp_set_local_sges(send_req->req_sge, reqi->req_tot_len,
- BFA_FCXP_REQ_PLD_PA(fcxp));
- } else {
- if (fcxp->nreq_sgles > 0) {
- bfa_assert(fcxp->nreq_sgles == 1);
- hal_fcxp_set_local_sges(send_req->req_sge,
- reqi->req_tot_len,
- fcxp->req_sga_cbfn(fcxp->caller,
- 0));
- } else {
- bfa_assert(reqi->req_tot_len == 0);
- hal_fcxp_set_local_sges(send_req->rsp_sge, 0, 0);
- }
- }
-
- /*
- * setup rsp sgles
- */
- if (fcxp->use_irspbuf == 1) {
- bfa_assert(rspi->rsp_maxlen <= BFA_FCXP_MAX_LBUF_SZ);
-
- hal_fcxp_set_local_sges(send_req->rsp_sge, rspi->rsp_maxlen,
- BFA_FCXP_RSP_PLD_PA(fcxp));
-
- } else {
- if (fcxp->nrsp_sgles > 0) {
- bfa_assert(fcxp->nrsp_sgles == 1);
- hal_fcxp_set_local_sges(send_req->rsp_sge,
- rspi->rsp_maxlen,
- fcxp->rsp_sga_cbfn(fcxp->caller,
- 0));
- } else {
- bfa_assert(rspi->rsp_maxlen == 0);
- hal_fcxp_set_local_sges(send_req->rsp_sge, 0, 0);
- }
- }
-
- hal_fcxp_tx_plog(bfa, reqi->req_tot_len, fcxp, &reqi->fchs);
-
- bfa_reqq_produce(bfa, BFA_REQQ_FCXP);
-
- bfa_trc(bfa, bfa_reqq_pi(bfa, BFA_REQQ_FCXP));
- bfa_trc(bfa, bfa_reqq_ci(bfa, BFA_REQQ_FCXP));
-}
-
-
-/**
- * hal_fcxp_api BFA FCXP API
- */
-
-/**
- * Allocate an FCXP instance to send a response or to send a request
- * that has a response. Request/response buffers are allocated by caller.
- *
- * @param[in] bfa BFA bfa instance
- * @param[in] nreq_sgles Number of SG elements required for request
- * buffer. 0, if fcxp internal buffers are used.
- * Use bfa_fcxp_get_reqbuf() to get the
- * internal req buffer.
- * @param[in] req_sgles SG elements describing request buffer. Will be
- * copied in by BFA and hence can be freed on
- * return from this function.
- * @param[in] get_req_sga function ptr to be called to get a request SG
- * Address (given the sge index).
- * @param[in] get_req_sglen function ptr to be called to get a request SG
- * len (given the sge index).
- * @param[in] get_rsp_sga function ptr to be called to get a response SG
- * Address (given the sge index).
- * @param[in] get_rsp_sglen function ptr to be called to get a response SG
- * len (given the sge index).
- *
- * @return FCXP instance. NULL on failure.
- */
-struct bfa_fcxp_s *
-bfa_fcxp_alloc(void *caller, struct bfa_s *bfa, int nreq_sgles,
- int nrsp_sgles, bfa_fcxp_get_sgaddr_t req_sga_cbfn,
- bfa_fcxp_get_sglen_t req_sglen_cbfn,
- bfa_fcxp_get_sgaddr_t rsp_sga_cbfn,
- bfa_fcxp_get_sglen_t rsp_sglen_cbfn)
-{
- struct bfa_fcxp_s *fcxp = NULL;
- u32 nreq_sgpg, nrsp_sgpg;
-
- bfa_assert(bfa != NULL);
-
- fcxp = bfa_fcxp_get(BFA_FCXP_MOD(bfa));
- if (fcxp == NULL)
- return NULL;
-
- bfa_trc(bfa, fcxp->fcxp_tag);
-
- fcxp->caller = caller;
-
- if (nreq_sgles == 0) {
- fcxp->use_ireqbuf = 1;
- } else {
- bfa_assert(req_sga_cbfn != NULL);
- bfa_assert(req_sglen_cbfn != NULL);
-
- fcxp->use_ireqbuf = 0;
- fcxp->req_sga_cbfn = req_sga_cbfn;
- fcxp->req_sglen_cbfn = req_sglen_cbfn;
-
- fcxp->nreq_sgles = nreq_sgles;
-
- /*
- * alloc required sgpgs
- */
- if (nreq_sgles > BFI_SGE_INLINE) {
- nreq_sgpg = BFA_SGPG_NPAGE(nreq_sgles);
-
- if (bfa_sgpg_malloc(bfa, &fcxp->req_sgpg_q, nreq_sgpg)
- != BFA_STATUS_OK) {
- /*
- * TODO
- */
- }
- }
- }
-
- if (nrsp_sgles == 0) {
- fcxp->use_irspbuf = 1;
- } else {
- bfa_assert(rsp_sga_cbfn != NULL);
- bfa_assert(rsp_sglen_cbfn != NULL);
-
- fcxp->use_irspbuf = 0;
- fcxp->rsp_sga_cbfn = rsp_sga_cbfn;
- fcxp->rsp_sglen_cbfn = rsp_sglen_cbfn;
-
- fcxp->nrsp_sgles = nrsp_sgles;
- /*
- * alloc required sgpgs
- */
- if (nrsp_sgles > BFI_SGE_INLINE) {
- nrsp_sgpg = BFA_SGPG_NPAGE(nreq_sgles);
-
- if (bfa_sgpg_malloc
- (bfa, &fcxp->rsp_sgpg_q, nrsp_sgpg)
- != BFA_STATUS_OK) {
- /* bfa_sgpg_wait(bfa, &fcxp->rsp_sgpg_wqe,
- nrsp_sgpg); */
- /*
- * TODO
- */
- }
- }
- }
-
- return fcxp;
-}
-
-/**
- * Get the internal request buffer pointer
- *
- * @param[in] fcxp BFA fcxp pointer
- *
- * @return pointer to the internal request buffer
- */
-void *
-bfa_fcxp_get_reqbuf(struct bfa_fcxp_s *fcxp)
-{
- struct bfa_fcxp_mod_s *mod = fcxp->fcxp_mod;
- void *reqbuf;
-
- bfa_assert(fcxp->use_ireqbuf == 1);
- reqbuf = ((u8 *)mod->req_pld_list_kva) +
- fcxp->fcxp_tag * mod->req_pld_sz;
- return reqbuf;
-}
-
-u32
-bfa_fcxp_get_reqbufsz(struct bfa_fcxp_s *fcxp)
-{
- struct bfa_fcxp_mod_s *mod = fcxp->fcxp_mod;
-
- return mod->req_pld_sz;
-}
-
-/**
- * Get the internal response buffer pointer
- *
- * @param[in] fcxp BFA fcxp pointer
- *
- * @return pointer to the internal request buffer
- */
-void *
-bfa_fcxp_get_rspbuf(struct bfa_fcxp_s *fcxp)
-{
- struct bfa_fcxp_mod_s *mod = fcxp->fcxp_mod;
- void *rspbuf;
-
- bfa_assert(fcxp->use_irspbuf == 1);
-
- rspbuf = ((u8 *)mod->rsp_pld_list_kva) +
- fcxp->fcxp_tag * mod->rsp_pld_sz;
- return rspbuf;
-}
-
-/**
- * Free the BFA FCXP
- *
- * @param[in] fcxp BFA fcxp pointer
- *
- * @return void
- */
-void
-bfa_fcxp_free(struct bfa_fcxp_s *fcxp)
-{
- struct bfa_fcxp_mod_s *mod = fcxp->fcxp_mod;
-
- bfa_assert(fcxp != NULL);
- bfa_trc(mod->bfa, fcxp->fcxp_tag);
- bfa_fcxp_put(fcxp);
-}
-
-/**
- * Send a FCXP request
- *
- * @param[in] fcxp BFA fcxp pointer
- * @param[in] rport BFA rport pointer. Could be left NULL for WKA rports
- * @param[in] vf_id virtual Fabric ID
- * @param[in] lp_tag lport tag
- * @param[in] cts use Continous sequence
- * @param[in] cos fc Class of Service
- * @param[in] reqlen request length, does not include FCHS length
- * @param[in] fchs fc Header Pointer. The header content will be copied
- * in by BFA.
- *
- * @param[in] cbfn call back function to be called on receiving
- * the response
- * @param[in] cbarg arg for cbfn
- * @param[in] rsp_timeout
- * response timeout
- *
- * @return bfa_status_t
- */
-void
-bfa_fcxp_send(struct bfa_fcxp_s *fcxp, struct bfa_rport_s *rport,
- u16 vf_id, u8 lp_tag, bfa_boolean_t cts, enum fc_cos cos,
- u32 reqlen, struct fchs_s *fchs, bfa_cb_fcxp_send_t cbfn,
- void *cbarg, u32 rsp_maxlen, u8 rsp_timeout)
-{
- struct bfa_s *bfa = fcxp->fcxp_mod->bfa;
- struct bfa_fcxp_req_info_s *reqi = &fcxp->req_info;
- struct bfa_fcxp_rsp_info_s *rspi = &fcxp->rsp_info;
- struct bfi_fcxp_send_req_s *send_req;
-
- bfa_trc(bfa, fcxp->fcxp_tag);
-
- /**
- * setup request/response info
- */
- reqi->bfa_rport = rport;
- reqi->vf_id = vf_id;
- reqi->lp_tag = lp_tag;
- reqi->class = cos;
- rspi->rsp_timeout = rsp_timeout;
- reqi->cts = cts;
- reqi->fchs = *fchs;
- reqi->req_tot_len = reqlen;
- rspi->rsp_maxlen = rsp_maxlen;
- fcxp->send_cbfn = cbfn ? cbfn : bfa_fcxp_null_comp;
- fcxp->send_cbarg = cbarg;
-
- /**
- * If no room in CPE queue, wait for space in request queue
- */
- send_req = bfa_reqq_next(bfa, BFA_REQQ_FCXP);
- if (!send_req) {
- bfa_trc(bfa, fcxp->fcxp_tag);
- fcxp->reqq_waiting = BFA_TRUE;
- bfa_reqq_wait(bfa, BFA_REQQ_FCXP, &fcxp->reqq_wqe);
- return;
- }
-
- bfa_fcxp_queue(fcxp, send_req);
-}
-
-/**
- * Abort a BFA FCXP
- *
- * @param[in] fcxp BFA fcxp pointer
- *
- * @return void
- */
-bfa_status_t
-bfa_fcxp_abort(struct bfa_fcxp_s *fcxp)
-{
- bfa_assert(0);
- return BFA_STATUS_OK;
-}
-
-void
-bfa_fcxp_alloc_wait(struct bfa_s *bfa, struct bfa_fcxp_wqe_s *wqe,
- bfa_fcxp_alloc_cbfn_t alloc_cbfn, void *alloc_cbarg)
-{
- struct bfa_fcxp_mod_s *mod = BFA_FCXP_MOD(bfa);
-
- bfa_assert(list_empty(&mod->fcxp_free_q));
-
- wqe->alloc_cbfn = alloc_cbfn;
- wqe->alloc_cbarg = alloc_cbarg;
- list_add_tail(&wqe->qe, &mod->wait_q);
-}
-
-void
-bfa_fcxp_walloc_cancel(struct bfa_s *bfa, struct bfa_fcxp_wqe_s *wqe)
-{
- struct bfa_fcxp_mod_s *mod = BFA_FCXP_MOD(bfa);
-
- bfa_assert(bfa_q_is_on_q(&mod->wait_q, wqe));
- list_del(&wqe->qe);
-}
-
-void
-bfa_fcxp_discard(struct bfa_fcxp_s *fcxp)
-{
- /**
- * If waiting for room in request queue, cancel reqq wait
- * and free fcxp.
- */
- if (fcxp->reqq_waiting) {
- fcxp->reqq_waiting = BFA_FALSE;
- bfa_reqq_wcancel(&fcxp->reqq_wqe);
- bfa_fcxp_free(fcxp);
- return;
- }
-
- fcxp->send_cbfn = bfa_fcxp_null_comp;
-}
-
-
-
-/**
- * hal_fcxp_public BFA FCXP public functions
- */
-
-void
-bfa_fcxp_isr(struct bfa_s *bfa, struct bfi_msg_s *msg)
-{
- switch (msg->mhdr.msg_id) {
- case BFI_FCXP_I2H_SEND_RSP:
- hal_fcxp_send_comp(bfa, (struct bfi_fcxp_send_rsp_s *) msg);
- break;
-
- default:
- bfa_trc(bfa, msg->mhdr.msg_id);
- bfa_assert(0);
- }
-}
-
-u32
-bfa_fcxp_get_maxrsp(struct bfa_s *bfa)
-{
- struct bfa_fcxp_mod_s *mod = BFA_FCXP_MOD(bfa);
-
- return mod->rsp_pld_sz;
-}
-
-