/*
* 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;
}
