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/* QLogic qed NIC Driver
* Copyright (c) 2015 QLogic Corporation
*
* This software is available under the terms of the GNU General Public License
* (GPL) Version 2, available from the file COPYING in the main directory of
* this source tree.
*/
#include <linux/types.h>
#include <asm/byteorder.h>
#include <linux/bitops.h>
#include <linux/errno.h>
#include <linux/kernel.h>
#include <linux/string.h>
#include "qed.h"
#include <linux/qed/qed_chain.h>
#include "qed_cxt.h"
#include "qed_hsi.h"
#include "qed_hw.h"
#include "qed_int.h"
#include "qed_reg_addr.h"
#include "qed_sp.h"
int qed_sp_init_request(struct qed_hwfn *p_hwfn,
struct qed_spq_entry **pp_ent,
u32 cid,
u16 opaque_fid,
u8 cmd,
u8 protocol,
struct qed_sp_init_request_params *p_params)
{
int rc = -EINVAL;
struct qed_spq_entry *p_ent = NULL;
u32 opaque_cid = opaque_fid << 16 | cid;
if (!pp_ent)
return -ENOMEM;
rc = qed_spq_get_entry(p_hwfn, pp_ent);
if (rc != 0)
return rc;
p_ent = *pp_ent;
p_ent->elem.hdr.cid = cpu_to_le32(opaque_cid);
p_ent->elem.hdr.cmd_id = cmd;
p_ent->elem.hdr.protocol_id = protocol;
p_ent->priority = QED_SPQ_PRIORITY_NORMAL;
p_ent->comp_mode = p_params->comp_mode;
p_ent->comp_done.done = 0;
switch (p_ent->comp_mode) {
case QED_SPQ_MODE_EBLOCK:
p_ent->comp_cb.cookie = &p_ent->comp_done;
break;
case QED_SPQ_MODE_BLOCK:
if (!p_params->p_comp_data)
return -EINVAL;
p_ent->comp_cb.cookie = p_params->p_comp_data->cookie;
break;
case QED_SPQ_MODE_CB:
if (!p_params->p_comp_data)
p_ent->comp_cb.function = NULL;
else
p_ent->comp_cb = *p_params->p_comp_data;
break;
default:
DP_NOTICE(p_hwfn, "Unknown SPQE completion mode %d\n",
p_ent->comp_mode);
return -EINVAL;
}
DP_VERBOSE(p_hwfn, QED_MSG_SPQ,
"Initialized: CID %08x cmd %02x protocol %02x data_addr %lu comp_mode [%s]\n",
opaque_cid, cmd, protocol,
(unsigned long)&p_ent->ramrod,
D_TRINE(p_ent->comp_mode, QED_SPQ_MODE_EBLOCK,
QED_SPQ_MODE_BLOCK, "MODE_EBLOCK", "MODE_BLOCK",
"MODE_CB"));
if (p_params->ramrod_data_size)
memset(&p_ent->ramrod, 0, p_params->ramrod_data_size);
return 0;
}
int qed_sp_pf_start(struct qed_hwfn *p_hwfn,
enum mf_mode mode)
{
struct qed_sp_init_request_params params;
struct pf_start_ramrod_data *p_ramrod = NULL;
u16 sb = qed_int_get_sp_sb_id(p_hwfn);
u8 sb_index = p_hwfn->p_eq->eq_sb_index;
struct qed_spq_entry *p_ent = NULL;
int rc = -EINVAL;
/* update initial eq producer */
qed_eq_prod_update(p_hwfn,
qed_chain_get_prod_idx(&p_hwfn->p_eq->chain));
memset(¶ms, 0, sizeof(params));
params.ramrod_data_size = sizeof(*p_ramrod);
params.comp_mode = QED_SPQ_MODE_EBLOCK;
rc = qed_sp_init_request(p_hwfn,
&p_ent,
qed_spq_get_cid(p_hwfn),
p_hwfn->hw_info.opaque_fid,
COMMON_RAMROD_PF_START,
PROTOCOLID_COMMON,
¶ms);
if (rc)
return rc;
p_ramrod = &p_ent->ramrod.pf_start;
p_ramrod->event_ring_sb_id = cpu_to_le16(sb);
p_ramrod->event_ring_sb_index = sb_index;
p_ramrod->path_id = QED_PATH_ID(p_hwfn);
p_ramrod->dont_log_ramrods = 0;
p_ramrod->log_type_mask = cpu_to_le16(0xf);
p_ramrod->mf_mode = mode;
p_ramrod->outer_tag = p_hwfn->hw_info.ovlan;
/* Place EQ address in RAMROD */
p_ramrod->event_ring_pbl_addr.hi =
DMA_HI_LE(p_hwfn->p_eq->chain.pbl.p_phys_table);
p_ramrod->event_ring_pbl_addr.lo =
DMA_LO_LE(p_hwfn->p_eq->chain.pbl.p_phys_table);
p_ramrod->event_ring_num_pages = (u8)p_hwfn->p_eq->chain.page_cnt;
p_ramrod->consolid_q_pbl_addr.hi =
DMA_HI_LE(p_hwfn->p_consq->chain.pbl.p_phys_table);
p_ramrod->consolid_q_pbl_addr.lo =
DMA_LO_LE(p_hwfn->p_consq->chain.pbl.p_phys_table);
p_hwfn->hw_info.personality = PERSONALITY_ETH;
DP_VERBOSE(p_hwfn, QED_MSG_SPQ,
"Setting event_ring_sb [id %04x index %02x], mf [%s] outer_tag [%d]\n",
sb, sb_index,
(p_ramrod->mf_mode == SF) ? "SF" : "Multi-Pf",
p_ramrod->outer_tag);
return qed_spq_post(p_hwfn, p_ent, NULL);
}
int qed_sp_pf_stop(struct qed_hwfn *p_hwfn)
{
struct qed_sp_init_request_params params;
struct qed_spq_entry *p_ent = NULL;
int rc = -EINVAL;
memset(¶ms, 0, sizeof(params));
params.comp_mode = QED_SPQ_MODE_EBLOCK;
rc = qed_sp_init_request(p_hwfn, &p_ent, qed_spq_get_cid(p_hwfn),
p_hwfn->hw_info.opaque_fid,
COMMON_RAMROD_PF_STOP, PROTOCOLID_COMMON,
¶ms);
if (rc)
return rc;
return qed_spq_post(p_hwfn, p_ent, NULL);
}
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