mirror of https://gitee.com/openkylin/linux.git
1315 lines
36 KiB
C
1315 lines
36 KiB
C
/* 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/delay.h>
|
|
#include <linux/errno.h>
|
|
#include <linux/kernel.h>
|
|
#include <linux/slab.h>
|
|
#include <linux/spinlock.h>
|
|
#include <linux/string.h>
|
|
#include "qed.h"
|
|
#include "qed_dcbx.h"
|
|
#include "qed_hsi.h"
|
|
#include "qed_hw.h"
|
|
#include "qed_mcp.h"
|
|
#include "qed_reg_addr.h"
|
|
#include "qed_sriov.h"
|
|
|
|
#define CHIP_MCP_RESP_ITER_US 10
|
|
|
|
#define QED_DRV_MB_MAX_RETRIES (500 * 1000) /* Account for 5 sec */
|
|
#define QED_MCP_RESET_RETRIES (50 * 1000) /* Account for 500 msec */
|
|
|
|
#define DRV_INNER_WR(_p_hwfn, _p_ptt, _ptr, _offset, _val) \
|
|
qed_wr(_p_hwfn, _p_ptt, (_p_hwfn->mcp_info->_ptr + _offset), \
|
|
_val)
|
|
|
|
#define DRV_INNER_RD(_p_hwfn, _p_ptt, _ptr, _offset) \
|
|
qed_rd(_p_hwfn, _p_ptt, (_p_hwfn->mcp_info->_ptr + _offset))
|
|
|
|
#define DRV_MB_WR(_p_hwfn, _p_ptt, _field, _val) \
|
|
DRV_INNER_WR(p_hwfn, _p_ptt, drv_mb_addr, \
|
|
offsetof(struct public_drv_mb, _field), _val)
|
|
|
|
#define DRV_MB_RD(_p_hwfn, _p_ptt, _field) \
|
|
DRV_INNER_RD(_p_hwfn, _p_ptt, drv_mb_addr, \
|
|
offsetof(struct public_drv_mb, _field))
|
|
|
|
#define PDA_COMP (((FW_MAJOR_VERSION) + (FW_MINOR_VERSION << 8)) << \
|
|
DRV_ID_PDA_COMP_VER_SHIFT)
|
|
|
|
#define MCP_BYTES_PER_MBIT_SHIFT 17
|
|
|
|
bool qed_mcp_is_init(struct qed_hwfn *p_hwfn)
|
|
{
|
|
if (!p_hwfn->mcp_info || !p_hwfn->mcp_info->public_base)
|
|
return false;
|
|
return true;
|
|
}
|
|
|
|
void qed_mcp_cmd_port_init(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
|
|
{
|
|
u32 addr = SECTION_OFFSIZE_ADDR(p_hwfn->mcp_info->public_base,
|
|
PUBLIC_PORT);
|
|
u32 mfw_mb_offsize = qed_rd(p_hwfn, p_ptt, addr);
|
|
|
|
p_hwfn->mcp_info->port_addr = SECTION_ADDR(mfw_mb_offsize,
|
|
MFW_PORT(p_hwfn));
|
|
DP_VERBOSE(p_hwfn, QED_MSG_SP,
|
|
"port_addr = 0x%x, port_id 0x%02x\n",
|
|
p_hwfn->mcp_info->port_addr, MFW_PORT(p_hwfn));
|
|
}
|
|
|
|
void qed_mcp_read_mb(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
|
|
{
|
|
u32 length = MFW_DRV_MSG_MAX_DWORDS(p_hwfn->mcp_info->mfw_mb_length);
|
|
u32 tmp, i;
|
|
|
|
if (!p_hwfn->mcp_info->public_base)
|
|
return;
|
|
|
|
for (i = 0; i < length; i++) {
|
|
tmp = qed_rd(p_hwfn, p_ptt,
|
|
p_hwfn->mcp_info->mfw_mb_addr +
|
|
(i << 2) + sizeof(u32));
|
|
|
|
/* The MB data is actually BE; Need to force it to cpu */
|
|
((u32 *)p_hwfn->mcp_info->mfw_mb_cur)[i] =
|
|
be32_to_cpu((__force __be32)tmp);
|
|
}
|
|
}
|
|
|
|
int qed_mcp_free(struct qed_hwfn *p_hwfn)
|
|
{
|
|
if (p_hwfn->mcp_info) {
|
|
kfree(p_hwfn->mcp_info->mfw_mb_cur);
|
|
kfree(p_hwfn->mcp_info->mfw_mb_shadow);
|
|
}
|
|
kfree(p_hwfn->mcp_info);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int qed_load_mcp_offsets(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
|
|
{
|
|
struct qed_mcp_info *p_info = p_hwfn->mcp_info;
|
|
u32 drv_mb_offsize, mfw_mb_offsize;
|
|
u32 mcp_pf_id = MCP_PF_ID(p_hwfn);
|
|
|
|
p_info->public_base = qed_rd(p_hwfn, p_ptt, MISC_REG_SHARED_MEM_ADDR);
|
|
if (!p_info->public_base)
|
|
return 0;
|
|
|
|
p_info->public_base |= GRCBASE_MCP;
|
|
|
|
/* Calculate the driver and MFW mailbox address */
|
|
drv_mb_offsize = qed_rd(p_hwfn, p_ptt,
|
|
SECTION_OFFSIZE_ADDR(p_info->public_base,
|
|
PUBLIC_DRV_MB));
|
|
p_info->drv_mb_addr = SECTION_ADDR(drv_mb_offsize, mcp_pf_id);
|
|
DP_VERBOSE(p_hwfn, QED_MSG_SP,
|
|
"drv_mb_offsiz = 0x%x, drv_mb_addr = 0x%x mcp_pf_id = 0x%x\n",
|
|
drv_mb_offsize, p_info->drv_mb_addr, mcp_pf_id);
|
|
|
|
/* Set the MFW MB address */
|
|
mfw_mb_offsize = qed_rd(p_hwfn, p_ptt,
|
|
SECTION_OFFSIZE_ADDR(p_info->public_base,
|
|
PUBLIC_MFW_MB));
|
|
p_info->mfw_mb_addr = SECTION_ADDR(mfw_mb_offsize, mcp_pf_id);
|
|
p_info->mfw_mb_length = (u16)qed_rd(p_hwfn, p_ptt, p_info->mfw_mb_addr);
|
|
|
|
/* Get the current driver mailbox sequence before sending
|
|
* the first command
|
|
*/
|
|
p_info->drv_mb_seq = DRV_MB_RD(p_hwfn, p_ptt, drv_mb_header) &
|
|
DRV_MSG_SEQ_NUMBER_MASK;
|
|
|
|
/* Get current FW pulse sequence */
|
|
p_info->drv_pulse_seq = DRV_MB_RD(p_hwfn, p_ptt, drv_pulse_mb) &
|
|
DRV_PULSE_SEQ_MASK;
|
|
|
|
p_info->mcp_hist = (u16)qed_rd(p_hwfn, p_ptt, MISCS_REG_GENERIC_POR_0);
|
|
|
|
return 0;
|
|
}
|
|
|
|
int qed_mcp_cmd_init(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
|
|
{
|
|
struct qed_mcp_info *p_info;
|
|
u32 size;
|
|
|
|
/* Allocate mcp_info structure */
|
|
p_hwfn->mcp_info = kzalloc(sizeof(*p_hwfn->mcp_info), GFP_KERNEL);
|
|
if (!p_hwfn->mcp_info)
|
|
goto err;
|
|
p_info = p_hwfn->mcp_info;
|
|
|
|
if (qed_load_mcp_offsets(p_hwfn, p_ptt) != 0) {
|
|
DP_NOTICE(p_hwfn, "MCP is not initialized\n");
|
|
/* Do not free mcp_info here, since public_base indicate that
|
|
* the MCP is not initialized
|
|
*/
|
|
return 0;
|
|
}
|
|
|
|
size = MFW_DRV_MSG_MAX_DWORDS(p_info->mfw_mb_length) * sizeof(u32);
|
|
p_info->mfw_mb_cur = kzalloc(size, GFP_KERNEL);
|
|
p_info->mfw_mb_shadow = kzalloc(size, GFP_KERNEL);
|
|
if (!p_info->mfw_mb_shadow || !p_info->mfw_mb_addr)
|
|
goto err;
|
|
|
|
/* Initialize the MFW spinlock */
|
|
spin_lock_init(&p_info->lock);
|
|
|
|
return 0;
|
|
|
|
err:
|
|
qed_mcp_free(p_hwfn);
|
|
return -ENOMEM;
|
|
}
|
|
|
|
/* Locks the MFW mailbox of a PF to ensure a single access.
|
|
* The lock is achieved in most cases by holding a spinlock, causing other
|
|
* threads to wait till a previous access is done.
|
|
* In some cases (currently when a [UN]LOAD_REQ commands are sent), the single
|
|
* access is achieved by setting a blocking flag, which will fail other
|
|
* competing contexts to send their mailboxes.
|
|
*/
|
|
static int qed_mcp_mb_lock(struct qed_hwfn *p_hwfn, u32 cmd)
|
|
{
|
|
spin_lock_bh(&p_hwfn->mcp_info->lock);
|
|
|
|
/* The spinlock shouldn't be acquired when the mailbox command is
|
|
* [UN]LOAD_REQ, since the engine is locked by the MFW, and a parallel
|
|
* pending [UN]LOAD_REQ command of another PF together with a spinlock
|
|
* (i.e. interrupts are disabled) - can lead to a deadlock.
|
|
* It is assumed that for a single PF, no other mailbox commands can be
|
|
* sent from another context while sending LOAD_REQ, and that any
|
|
* parallel commands to UNLOAD_REQ can be cancelled.
|
|
*/
|
|
if (cmd == DRV_MSG_CODE_LOAD_DONE || cmd == DRV_MSG_CODE_UNLOAD_DONE)
|
|
p_hwfn->mcp_info->block_mb_sending = false;
|
|
|
|
if (p_hwfn->mcp_info->block_mb_sending) {
|
|
DP_NOTICE(p_hwfn,
|
|
"Trying to send a MFW mailbox command [0x%x] in parallel to [UN]LOAD_REQ. Aborting.\n",
|
|
cmd);
|
|
spin_unlock_bh(&p_hwfn->mcp_info->lock);
|
|
return -EBUSY;
|
|
}
|
|
|
|
if (cmd == DRV_MSG_CODE_LOAD_REQ || cmd == DRV_MSG_CODE_UNLOAD_REQ) {
|
|
p_hwfn->mcp_info->block_mb_sending = true;
|
|
spin_unlock_bh(&p_hwfn->mcp_info->lock);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void qed_mcp_mb_unlock(struct qed_hwfn *p_hwfn, u32 cmd)
|
|
{
|
|
if (cmd != DRV_MSG_CODE_LOAD_REQ && cmd != DRV_MSG_CODE_UNLOAD_REQ)
|
|
spin_unlock_bh(&p_hwfn->mcp_info->lock);
|
|
}
|
|
|
|
int qed_mcp_reset(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
|
|
{
|
|
u32 seq = ++p_hwfn->mcp_info->drv_mb_seq;
|
|
u8 delay = CHIP_MCP_RESP_ITER_US;
|
|
u32 org_mcp_reset_seq, cnt = 0;
|
|
int rc = 0;
|
|
|
|
/* Ensure that only a single thread is accessing the mailbox at a
|
|
* certain time.
|
|
*/
|
|
rc = qed_mcp_mb_lock(p_hwfn, DRV_MSG_CODE_MCP_RESET);
|
|
if (rc != 0)
|
|
return rc;
|
|
|
|
/* Set drv command along with the updated sequence */
|
|
org_mcp_reset_seq = qed_rd(p_hwfn, p_ptt, MISCS_REG_GENERIC_POR_0);
|
|
DRV_MB_WR(p_hwfn, p_ptt, drv_mb_header,
|
|
(DRV_MSG_CODE_MCP_RESET | seq));
|
|
|
|
do {
|
|
/* Wait for MFW response */
|
|
udelay(delay);
|
|
/* Give the FW up to 500 second (50*1000*10usec) */
|
|
} while ((org_mcp_reset_seq == qed_rd(p_hwfn, p_ptt,
|
|
MISCS_REG_GENERIC_POR_0)) &&
|
|
(cnt++ < QED_MCP_RESET_RETRIES));
|
|
|
|
if (org_mcp_reset_seq !=
|
|
qed_rd(p_hwfn, p_ptt, MISCS_REG_GENERIC_POR_0)) {
|
|
DP_VERBOSE(p_hwfn, QED_MSG_SP,
|
|
"MCP was reset after %d usec\n", cnt * delay);
|
|
} else {
|
|
DP_ERR(p_hwfn, "Failed to reset MCP\n");
|
|
rc = -EAGAIN;
|
|
}
|
|
|
|
qed_mcp_mb_unlock(p_hwfn, DRV_MSG_CODE_MCP_RESET);
|
|
|
|
return rc;
|
|
}
|
|
|
|
static int qed_do_mcp_cmd(struct qed_hwfn *p_hwfn,
|
|
struct qed_ptt *p_ptt,
|
|
u32 cmd,
|
|
u32 param,
|
|
u32 *o_mcp_resp,
|
|
u32 *o_mcp_param)
|
|
{
|
|
u8 delay = CHIP_MCP_RESP_ITER_US;
|
|
u32 seq, cnt = 1, actual_mb_seq;
|
|
int rc = 0;
|
|
|
|
/* Get actual driver mailbox sequence */
|
|
actual_mb_seq = DRV_MB_RD(p_hwfn, p_ptt, drv_mb_header) &
|
|
DRV_MSG_SEQ_NUMBER_MASK;
|
|
|
|
/* Use MCP history register to check if MCP reset occurred between
|
|
* init time and now.
|
|
*/
|
|
if (p_hwfn->mcp_info->mcp_hist !=
|
|
qed_rd(p_hwfn, p_ptt, MISCS_REG_GENERIC_POR_0)) {
|
|
DP_VERBOSE(p_hwfn, QED_MSG_SP, "Rereading MCP offsets\n");
|
|
qed_load_mcp_offsets(p_hwfn, p_ptt);
|
|
qed_mcp_cmd_port_init(p_hwfn, p_ptt);
|
|
}
|
|
seq = ++p_hwfn->mcp_info->drv_mb_seq;
|
|
|
|
/* Set drv param */
|
|
DRV_MB_WR(p_hwfn, p_ptt, drv_mb_param, param);
|
|
|
|
/* Set drv command along with the updated sequence */
|
|
DRV_MB_WR(p_hwfn, p_ptt, drv_mb_header, (cmd | seq));
|
|
|
|
DP_VERBOSE(p_hwfn, QED_MSG_SP,
|
|
"wrote command (%x) to MFW MB param 0x%08x\n",
|
|
(cmd | seq), param);
|
|
|
|
do {
|
|
/* Wait for MFW response */
|
|
udelay(delay);
|
|
*o_mcp_resp = DRV_MB_RD(p_hwfn, p_ptt, fw_mb_header);
|
|
|
|
/* Give the FW up to 5 second (500*10ms) */
|
|
} while ((seq != (*o_mcp_resp & FW_MSG_SEQ_NUMBER_MASK)) &&
|
|
(cnt++ < QED_DRV_MB_MAX_RETRIES));
|
|
|
|
DP_VERBOSE(p_hwfn, QED_MSG_SP,
|
|
"[after %d ms] read (%x) seq is (%x) from FW MB\n",
|
|
cnt * delay, *o_mcp_resp, seq);
|
|
|
|
/* Is this a reply to our command? */
|
|
if (seq == (*o_mcp_resp & FW_MSG_SEQ_NUMBER_MASK)) {
|
|
*o_mcp_resp &= FW_MSG_CODE_MASK;
|
|
/* Get the MCP param */
|
|
*o_mcp_param = DRV_MB_RD(p_hwfn, p_ptt, fw_mb_param);
|
|
} else {
|
|
/* FW BUG! */
|
|
DP_ERR(p_hwfn, "MFW failed to respond [cmd 0x%x param 0x%x]\n",
|
|
cmd, param);
|
|
*o_mcp_resp = 0;
|
|
rc = -EAGAIN;
|
|
}
|
|
return rc;
|
|
}
|
|
|
|
static int qed_mcp_cmd_and_union(struct qed_hwfn *p_hwfn,
|
|
struct qed_ptt *p_ptt,
|
|
struct qed_mcp_mb_params *p_mb_params)
|
|
{
|
|
u32 union_data_addr;
|
|
int rc;
|
|
|
|
/* MCP not initialized */
|
|
if (!qed_mcp_is_init(p_hwfn)) {
|
|
DP_NOTICE(p_hwfn, "MFW is not initialized!\n");
|
|
return -EBUSY;
|
|
}
|
|
|
|
union_data_addr = p_hwfn->mcp_info->drv_mb_addr +
|
|
offsetof(struct public_drv_mb, union_data);
|
|
|
|
/* Ensure that only a single thread is accessing the mailbox at a
|
|
* certain time.
|
|
*/
|
|
rc = qed_mcp_mb_lock(p_hwfn, p_mb_params->cmd);
|
|
if (rc)
|
|
return rc;
|
|
|
|
if (p_mb_params->p_data_src != NULL)
|
|
qed_memcpy_to(p_hwfn, p_ptt, union_data_addr,
|
|
p_mb_params->p_data_src,
|
|
sizeof(*p_mb_params->p_data_src));
|
|
|
|
rc = qed_do_mcp_cmd(p_hwfn, p_ptt, p_mb_params->cmd,
|
|
p_mb_params->param, &p_mb_params->mcp_resp,
|
|
&p_mb_params->mcp_param);
|
|
|
|
if (p_mb_params->p_data_dst != NULL)
|
|
qed_memcpy_from(p_hwfn, p_ptt, p_mb_params->p_data_dst,
|
|
union_data_addr,
|
|
sizeof(*p_mb_params->p_data_dst));
|
|
|
|
qed_mcp_mb_unlock(p_hwfn, p_mb_params->cmd);
|
|
|
|
return rc;
|
|
}
|
|
|
|
int qed_mcp_cmd(struct qed_hwfn *p_hwfn,
|
|
struct qed_ptt *p_ptt,
|
|
u32 cmd,
|
|
u32 param,
|
|
u32 *o_mcp_resp,
|
|
u32 *o_mcp_param)
|
|
{
|
|
struct qed_mcp_mb_params mb_params;
|
|
int rc;
|
|
|
|
memset(&mb_params, 0, sizeof(mb_params));
|
|
mb_params.cmd = cmd;
|
|
mb_params.param = param;
|
|
rc = qed_mcp_cmd_and_union(p_hwfn, p_ptt, &mb_params);
|
|
if (rc)
|
|
return rc;
|
|
|
|
*o_mcp_resp = mb_params.mcp_resp;
|
|
*o_mcp_param = mb_params.mcp_param;
|
|
|
|
return 0;
|
|
}
|
|
|
|
int qed_mcp_nvm_rd_cmd(struct qed_hwfn *p_hwfn,
|
|
struct qed_ptt *p_ptt,
|
|
u32 cmd,
|
|
u32 param,
|
|
u32 *o_mcp_resp,
|
|
u32 *o_mcp_param, u32 *o_txn_size, u32 *o_buf)
|
|
{
|
|
struct qed_mcp_mb_params mb_params;
|
|
union drv_union_data union_data;
|
|
int rc;
|
|
|
|
memset(&mb_params, 0, sizeof(mb_params));
|
|
mb_params.cmd = cmd;
|
|
mb_params.param = param;
|
|
mb_params.p_data_dst = &union_data;
|
|
rc = qed_mcp_cmd_and_union(p_hwfn, p_ptt, &mb_params);
|
|
if (rc)
|
|
return rc;
|
|
|
|
*o_mcp_resp = mb_params.mcp_resp;
|
|
*o_mcp_param = mb_params.mcp_param;
|
|
|
|
*o_txn_size = *o_mcp_param;
|
|
memcpy(o_buf, &union_data.raw_data, *o_txn_size);
|
|
|
|
return 0;
|
|
}
|
|
|
|
int qed_mcp_load_req(struct qed_hwfn *p_hwfn,
|
|
struct qed_ptt *p_ptt, u32 *p_load_code)
|
|
{
|
|
struct qed_dev *cdev = p_hwfn->cdev;
|
|
struct qed_mcp_mb_params mb_params;
|
|
union drv_union_data union_data;
|
|
int rc;
|
|
|
|
memset(&mb_params, 0, sizeof(mb_params));
|
|
/* Load Request */
|
|
mb_params.cmd = DRV_MSG_CODE_LOAD_REQ;
|
|
mb_params.param = PDA_COMP | DRV_ID_MCP_HSI_VER_CURRENT |
|
|
cdev->drv_type;
|
|
memcpy(&union_data.ver_str, cdev->ver_str, MCP_DRV_VER_STR_SIZE);
|
|
mb_params.p_data_src = &union_data;
|
|
rc = qed_mcp_cmd_and_union(p_hwfn, p_ptt, &mb_params);
|
|
|
|
/* if mcp fails to respond we must abort */
|
|
if (rc) {
|
|
DP_ERR(p_hwfn, "MCP response failure, aborting\n");
|
|
return rc;
|
|
}
|
|
|
|
*p_load_code = mb_params.mcp_resp;
|
|
|
|
/* If MFW refused (e.g. other port is in diagnostic mode) we
|
|
* must abort. This can happen in the following cases:
|
|
* - Other port is in diagnostic mode
|
|
* - Previously loaded function on the engine is not compliant with
|
|
* the requester.
|
|
* - MFW cannot cope with the requester's DRV_MFW_HSI_VERSION.
|
|
* -
|
|
*/
|
|
if (!(*p_load_code) ||
|
|
((*p_load_code) == FW_MSG_CODE_DRV_LOAD_REFUSED_HSI) ||
|
|
((*p_load_code) == FW_MSG_CODE_DRV_LOAD_REFUSED_PDA) ||
|
|
((*p_load_code) == FW_MSG_CODE_DRV_LOAD_REFUSED_DIAG)) {
|
|
DP_ERR(p_hwfn, "MCP refused load request, aborting\n");
|
|
return -EBUSY;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void qed_mcp_handle_vf_flr(struct qed_hwfn *p_hwfn,
|
|
struct qed_ptt *p_ptt)
|
|
{
|
|
u32 addr = SECTION_OFFSIZE_ADDR(p_hwfn->mcp_info->public_base,
|
|
PUBLIC_PATH);
|
|
u32 mfw_path_offsize = qed_rd(p_hwfn, p_ptt, addr);
|
|
u32 path_addr = SECTION_ADDR(mfw_path_offsize,
|
|
QED_PATH_ID(p_hwfn));
|
|
u32 disabled_vfs[VF_MAX_STATIC / 32];
|
|
int i;
|
|
|
|
DP_VERBOSE(p_hwfn,
|
|
QED_MSG_SP,
|
|
"Reading Disabled VF information from [offset %08x], path_addr %08x\n",
|
|
mfw_path_offsize, path_addr);
|
|
|
|
for (i = 0; i < (VF_MAX_STATIC / 32); i++) {
|
|
disabled_vfs[i] = qed_rd(p_hwfn, p_ptt,
|
|
path_addr +
|
|
offsetof(struct public_path,
|
|
mcp_vf_disabled) +
|
|
sizeof(u32) * i);
|
|
DP_VERBOSE(p_hwfn, (QED_MSG_SP | QED_MSG_IOV),
|
|
"FLR-ed VFs [%08x,...,%08x] - %08x\n",
|
|
i * 32, (i + 1) * 32 - 1, disabled_vfs[i]);
|
|
}
|
|
|
|
if (qed_iov_mark_vf_flr(p_hwfn, disabled_vfs))
|
|
qed_schedule_iov(p_hwfn, QED_IOV_WQ_FLR_FLAG);
|
|
}
|
|
|
|
int qed_mcp_ack_vf_flr(struct qed_hwfn *p_hwfn,
|
|
struct qed_ptt *p_ptt, u32 *vfs_to_ack)
|
|
{
|
|
u32 addr = SECTION_OFFSIZE_ADDR(p_hwfn->mcp_info->public_base,
|
|
PUBLIC_FUNC);
|
|
u32 mfw_func_offsize = qed_rd(p_hwfn, p_ptt, addr);
|
|
u32 func_addr = SECTION_ADDR(mfw_func_offsize,
|
|
MCP_PF_ID(p_hwfn));
|
|
struct qed_mcp_mb_params mb_params;
|
|
union drv_union_data union_data;
|
|
int rc;
|
|
int i;
|
|
|
|
for (i = 0; i < (VF_MAX_STATIC / 32); i++)
|
|
DP_VERBOSE(p_hwfn, (QED_MSG_SP | QED_MSG_IOV),
|
|
"Acking VFs [%08x,...,%08x] - %08x\n",
|
|
i * 32, (i + 1) * 32 - 1, vfs_to_ack[i]);
|
|
|
|
memset(&mb_params, 0, sizeof(mb_params));
|
|
mb_params.cmd = DRV_MSG_CODE_VF_DISABLED_DONE;
|
|
memcpy(&union_data.ack_vf_disabled, vfs_to_ack, VF_MAX_STATIC / 8);
|
|
mb_params.p_data_src = &union_data;
|
|
rc = qed_mcp_cmd_and_union(p_hwfn, p_ptt, &mb_params);
|
|
if (rc) {
|
|
DP_NOTICE(p_hwfn, "Failed to pass ACK for VF flr to MFW\n");
|
|
return -EBUSY;
|
|
}
|
|
|
|
/* Clear the ACK bits */
|
|
for (i = 0; i < (VF_MAX_STATIC / 32); i++)
|
|
qed_wr(p_hwfn, p_ptt,
|
|
func_addr +
|
|
offsetof(struct public_func, drv_ack_vf_disabled) +
|
|
i * sizeof(u32), 0);
|
|
|
|
return rc;
|
|
}
|
|
|
|
static void qed_mcp_handle_transceiver_change(struct qed_hwfn *p_hwfn,
|
|
struct qed_ptt *p_ptt)
|
|
{
|
|
u32 transceiver_state;
|
|
|
|
transceiver_state = qed_rd(p_hwfn, p_ptt,
|
|
p_hwfn->mcp_info->port_addr +
|
|
offsetof(struct public_port,
|
|
transceiver_data));
|
|
|
|
DP_VERBOSE(p_hwfn,
|
|
(NETIF_MSG_HW | QED_MSG_SP),
|
|
"Received transceiver state update [0x%08x] from mfw [Addr 0x%x]\n",
|
|
transceiver_state,
|
|
(u32)(p_hwfn->mcp_info->port_addr +
|
|
offsetof(struct public_port, transceiver_data)));
|
|
|
|
transceiver_state = GET_FIELD(transceiver_state,
|
|
ETH_TRANSCEIVER_STATE);
|
|
|
|
if (transceiver_state == ETH_TRANSCEIVER_STATE_PRESENT)
|
|
DP_NOTICE(p_hwfn, "Transceiver is present.\n");
|
|
else
|
|
DP_NOTICE(p_hwfn, "Transceiver is unplugged.\n");
|
|
}
|
|
|
|
static void qed_mcp_handle_link_change(struct qed_hwfn *p_hwfn,
|
|
struct qed_ptt *p_ptt, bool b_reset)
|
|
{
|
|
struct qed_mcp_link_state *p_link;
|
|
u8 max_bw, min_bw;
|
|
u32 status = 0;
|
|
|
|
p_link = &p_hwfn->mcp_info->link_output;
|
|
memset(p_link, 0, sizeof(*p_link));
|
|
if (!b_reset) {
|
|
status = qed_rd(p_hwfn, p_ptt,
|
|
p_hwfn->mcp_info->port_addr +
|
|
offsetof(struct public_port, link_status));
|
|
DP_VERBOSE(p_hwfn, (NETIF_MSG_LINK | QED_MSG_SP),
|
|
"Received link update [0x%08x] from mfw [Addr 0x%x]\n",
|
|
status,
|
|
(u32)(p_hwfn->mcp_info->port_addr +
|
|
offsetof(struct public_port, link_status)));
|
|
} else {
|
|
DP_VERBOSE(p_hwfn, NETIF_MSG_LINK,
|
|
"Resetting link indications\n");
|
|
return;
|
|
}
|
|
|
|
if (p_hwfn->b_drv_link_init)
|
|
p_link->link_up = !!(status & LINK_STATUS_LINK_UP);
|
|
else
|
|
p_link->link_up = false;
|
|
|
|
p_link->full_duplex = true;
|
|
switch ((status & LINK_STATUS_SPEED_AND_DUPLEX_MASK)) {
|
|
case LINK_STATUS_SPEED_AND_DUPLEX_100G:
|
|
p_link->speed = 100000;
|
|
break;
|
|
case LINK_STATUS_SPEED_AND_DUPLEX_50G:
|
|
p_link->speed = 50000;
|
|
break;
|
|
case LINK_STATUS_SPEED_AND_DUPLEX_40G:
|
|
p_link->speed = 40000;
|
|
break;
|
|
case LINK_STATUS_SPEED_AND_DUPLEX_25G:
|
|
p_link->speed = 25000;
|
|
break;
|
|
case LINK_STATUS_SPEED_AND_DUPLEX_20G:
|
|
p_link->speed = 20000;
|
|
break;
|
|
case LINK_STATUS_SPEED_AND_DUPLEX_10G:
|
|
p_link->speed = 10000;
|
|
break;
|
|
case LINK_STATUS_SPEED_AND_DUPLEX_1000THD:
|
|
p_link->full_duplex = false;
|
|
/* Fall-through */
|
|
case LINK_STATUS_SPEED_AND_DUPLEX_1000TFD:
|
|
p_link->speed = 1000;
|
|
break;
|
|
default:
|
|
p_link->speed = 0;
|
|
}
|
|
|
|
if (p_link->link_up && p_link->speed)
|
|
p_link->line_speed = p_link->speed;
|
|
else
|
|
p_link->line_speed = 0;
|
|
|
|
max_bw = p_hwfn->mcp_info->func_info.bandwidth_max;
|
|
min_bw = p_hwfn->mcp_info->func_info.bandwidth_min;
|
|
|
|
/* Max bandwidth configuration */
|
|
__qed_configure_pf_max_bandwidth(p_hwfn, p_ptt, p_link, max_bw);
|
|
|
|
/* Min bandwidth configuration */
|
|
__qed_configure_pf_min_bandwidth(p_hwfn, p_ptt, p_link, min_bw);
|
|
qed_configure_vp_wfq_on_link_change(p_hwfn->cdev, p_link->min_pf_rate);
|
|
|
|
p_link->an = !!(status & LINK_STATUS_AUTO_NEGOTIATE_ENABLED);
|
|
p_link->an_complete = !!(status &
|
|
LINK_STATUS_AUTO_NEGOTIATE_COMPLETE);
|
|
p_link->parallel_detection = !!(status &
|
|
LINK_STATUS_PARALLEL_DETECTION_USED);
|
|
p_link->pfc_enabled = !!(status & LINK_STATUS_PFC_ENABLED);
|
|
|
|
p_link->partner_adv_speed |=
|
|
(status & LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE) ?
|
|
QED_LINK_PARTNER_SPEED_1G_FD : 0;
|
|
p_link->partner_adv_speed |=
|
|
(status & LINK_STATUS_LINK_PARTNER_1000THD_CAPABLE) ?
|
|
QED_LINK_PARTNER_SPEED_1G_HD : 0;
|
|
p_link->partner_adv_speed |=
|
|
(status & LINK_STATUS_LINK_PARTNER_10G_CAPABLE) ?
|
|
QED_LINK_PARTNER_SPEED_10G : 0;
|
|
p_link->partner_adv_speed |=
|
|
(status & LINK_STATUS_LINK_PARTNER_20G_CAPABLE) ?
|
|
QED_LINK_PARTNER_SPEED_20G : 0;
|
|
p_link->partner_adv_speed |=
|
|
(status & LINK_STATUS_LINK_PARTNER_25G_CAPABLE) ?
|
|
QED_LINK_PARTNER_SPEED_25G : 0;
|
|
p_link->partner_adv_speed |=
|
|
(status & LINK_STATUS_LINK_PARTNER_40G_CAPABLE) ?
|
|
QED_LINK_PARTNER_SPEED_40G : 0;
|
|
p_link->partner_adv_speed |=
|
|
(status & LINK_STATUS_LINK_PARTNER_50G_CAPABLE) ?
|
|
QED_LINK_PARTNER_SPEED_50G : 0;
|
|
p_link->partner_adv_speed |=
|
|
(status & LINK_STATUS_LINK_PARTNER_100G_CAPABLE) ?
|
|
QED_LINK_PARTNER_SPEED_100G : 0;
|
|
|
|
p_link->partner_tx_flow_ctrl_en =
|
|
!!(status & LINK_STATUS_TX_FLOW_CONTROL_ENABLED);
|
|
p_link->partner_rx_flow_ctrl_en =
|
|
!!(status & LINK_STATUS_RX_FLOW_CONTROL_ENABLED);
|
|
|
|
switch (status & LINK_STATUS_LINK_PARTNER_FLOW_CONTROL_MASK) {
|
|
case LINK_STATUS_LINK_PARTNER_SYMMETRIC_PAUSE:
|
|
p_link->partner_adv_pause = QED_LINK_PARTNER_SYMMETRIC_PAUSE;
|
|
break;
|
|
case LINK_STATUS_LINK_PARTNER_ASYMMETRIC_PAUSE:
|
|
p_link->partner_adv_pause = QED_LINK_PARTNER_ASYMMETRIC_PAUSE;
|
|
break;
|
|
case LINK_STATUS_LINK_PARTNER_BOTH_PAUSE:
|
|
p_link->partner_adv_pause = QED_LINK_PARTNER_BOTH_PAUSE;
|
|
break;
|
|
default:
|
|
p_link->partner_adv_pause = 0;
|
|
}
|
|
|
|
p_link->sfp_tx_fault = !!(status & LINK_STATUS_SFP_TX_FAULT);
|
|
|
|
qed_link_update(p_hwfn);
|
|
}
|
|
|
|
int qed_mcp_set_link(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt, bool b_up)
|
|
{
|
|
struct qed_mcp_link_params *params = &p_hwfn->mcp_info->link_input;
|
|
struct qed_mcp_mb_params mb_params;
|
|
union drv_union_data union_data;
|
|
struct eth_phy_cfg *phy_cfg;
|
|
int rc = 0;
|
|
u32 cmd;
|
|
|
|
/* Set the shmem configuration according to params */
|
|
phy_cfg = &union_data.drv_phy_cfg;
|
|
memset(phy_cfg, 0, sizeof(*phy_cfg));
|
|
cmd = b_up ? DRV_MSG_CODE_INIT_PHY : DRV_MSG_CODE_LINK_RESET;
|
|
if (!params->speed.autoneg)
|
|
phy_cfg->speed = params->speed.forced_speed;
|
|
phy_cfg->pause |= (params->pause.autoneg) ? ETH_PAUSE_AUTONEG : 0;
|
|
phy_cfg->pause |= (params->pause.forced_rx) ? ETH_PAUSE_RX : 0;
|
|
phy_cfg->pause |= (params->pause.forced_tx) ? ETH_PAUSE_TX : 0;
|
|
phy_cfg->adv_speed = params->speed.advertised_speeds;
|
|
phy_cfg->loopback_mode = params->loopback_mode;
|
|
|
|
p_hwfn->b_drv_link_init = b_up;
|
|
|
|
if (b_up) {
|
|
DP_VERBOSE(p_hwfn, NETIF_MSG_LINK,
|
|
"Configuring Link: Speed 0x%08x, Pause 0x%08x, adv_speed 0x%08x, loopback 0x%08x, features 0x%08x\n",
|
|
phy_cfg->speed,
|
|
phy_cfg->pause,
|
|
phy_cfg->adv_speed,
|
|
phy_cfg->loopback_mode,
|
|
phy_cfg->feature_config_flags);
|
|
} else {
|
|
DP_VERBOSE(p_hwfn, NETIF_MSG_LINK,
|
|
"Resetting link\n");
|
|
}
|
|
|
|
memset(&mb_params, 0, sizeof(mb_params));
|
|
mb_params.cmd = cmd;
|
|
mb_params.p_data_src = &union_data;
|
|
rc = qed_mcp_cmd_and_union(p_hwfn, p_ptt, &mb_params);
|
|
|
|
/* if mcp fails to respond we must abort */
|
|
if (rc) {
|
|
DP_ERR(p_hwfn, "MCP response failure, aborting\n");
|
|
return rc;
|
|
}
|
|
|
|
/* Reset the link status if needed */
|
|
if (!b_up)
|
|
qed_mcp_handle_link_change(p_hwfn, p_ptt, true);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void qed_mcp_send_protocol_stats(struct qed_hwfn *p_hwfn,
|
|
struct qed_ptt *p_ptt,
|
|
enum MFW_DRV_MSG_TYPE type)
|
|
{
|
|
enum qed_mcp_protocol_type stats_type;
|
|
union qed_mcp_protocol_stats stats;
|
|
struct qed_mcp_mb_params mb_params;
|
|
union drv_union_data union_data;
|
|
u32 hsi_param;
|
|
|
|
switch (type) {
|
|
case MFW_DRV_MSG_GET_LAN_STATS:
|
|
stats_type = QED_MCP_LAN_STATS;
|
|
hsi_param = DRV_MSG_CODE_STATS_TYPE_LAN;
|
|
break;
|
|
case MFW_DRV_MSG_GET_FCOE_STATS:
|
|
stats_type = QED_MCP_FCOE_STATS;
|
|
hsi_param = DRV_MSG_CODE_STATS_TYPE_FCOE;
|
|
break;
|
|
case MFW_DRV_MSG_GET_ISCSI_STATS:
|
|
stats_type = QED_MCP_ISCSI_STATS;
|
|
hsi_param = DRV_MSG_CODE_STATS_TYPE_ISCSI;
|
|
break;
|
|
case MFW_DRV_MSG_GET_RDMA_STATS:
|
|
stats_type = QED_MCP_RDMA_STATS;
|
|
hsi_param = DRV_MSG_CODE_STATS_TYPE_RDMA;
|
|
break;
|
|
default:
|
|
DP_NOTICE(p_hwfn, "Invalid protocol type %d\n", type);
|
|
return;
|
|
}
|
|
|
|
qed_get_protocol_stats(p_hwfn->cdev, stats_type, &stats);
|
|
|
|
memset(&mb_params, 0, sizeof(mb_params));
|
|
mb_params.cmd = DRV_MSG_CODE_GET_STATS;
|
|
mb_params.param = hsi_param;
|
|
memcpy(&union_data, &stats, sizeof(stats));
|
|
mb_params.p_data_src = &union_data;
|
|
qed_mcp_cmd_and_union(p_hwfn, p_ptt, &mb_params);
|
|
}
|
|
|
|
static void qed_read_pf_bandwidth(struct qed_hwfn *p_hwfn,
|
|
struct public_func *p_shmem_info)
|
|
{
|
|
struct qed_mcp_function_info *p_info;
|
|
|
|
p_info = &p_hwfn->mcp_info->func_info;
|
|
|
|
p_info->bandwidth_min = (p_shmem_info->config &
|
|
FUNC_MF_CFG_MIN_BW_MASK) >>
|
|
FUNC_MF_CFG_MIN_BW_SHIFT;
|
|
if (p_info->bandwidth_min < 1 || p_info->bandwidth_min > 100) {
|
|
DP_INFO(p_hwfn,
|
|
"bandwidth minimum out of bounds [%02x]. Set to 1\n",
|
|
p_info->bandwidth_min);
|
|
p_info->bandwidth_min = 1;
|
|
}
|
|
|
|
p_info->bandwidth_max = (p_shmem_info->config &
|
|
FUNC_MF_CFG_MAX_BW_MASK) >>
|
|
FUNC_MF_CFG_MAX_BW_SHIFT;
|
|
if (p_info->bandwidth_max < 1 || p_info->bandwidth_max > 100) {
|
|
DP_INFO(p_hwfn,
|
|
"bandwidth maximum out of bounds [%02x]. Set to 100\n",
|
|
p_info->bandwidth_max);
|
|
p_info->bandwidth_max = 100;
|
|
}
|
|
}
|
|
|
|
static u32 qed_mcp_get_shmem_func(struct qed_hwfn *p_hwfn,
|
|
struct qed_ptt *p_ptt,
|
|
struct public_func *p_data, int pfid)
|
|
{
|
|
u32 addr = SECTION_OFFSIZE_ADDR(p_hwfn->mcp_info->public_base,
|
|
PUBLIC_FUNC);
|
|
u32 mfw_path_offsize = qed_rd(p_hwfn, p_ptt, addr);
|
|
u32 func_addr = SECTION_ADDR(mfw_path_offsize, pfid);
|
|
u32 i, size;
|
|
|
|
memset(p_data, 0, sizeof(*p_data));
|
|
|
|
size = min_t(u32, sizeof(*p_data), QED_SECTION_SIZE(mfw_path_offsize));
|
|
for (i = 0; i < size / sizeof(u32); i++)
|
|
((u32 *)p_data)[i] = qed_rd(p_hwfn, p_ptt,
|
|
func_addr + (i << 2));
|
|
return size;
|
|
}
|
|
|
|
static void qed_mcp_update_bw(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
|
|
{
|
|
struct qed_mcp_function_info *p_info;
|
|
struct public_func shmem_info;
|
|
u32 resp = 0, param = 0;
|
|
|
|
qed_mcp_get_shmem_func(p_hwfn, p_ptt, &shmem_info, MCP_PF_ID(p_hwfn));
|
|
|
|
qed_read_pf_bandwidth(p_hwfn, &shmem_info);
|
|
|
|
p_info = &p_hwfn->mcp_info->func_info;
|
|
|
|
qed_configure_pf_min_bandwidth(p_hwfn->cdev, p_info->bandwidth_min);
|
|
qed_configure_pf_max_bandwidth(p_hwfn->cdev, p_info->bandwidth_max);
|
|
|
|
/* Acknowledge the MFW */
|
|
qed_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_BW_UPDATE_ACK, 0, &resp,
|
|
¶m);
|
|
}
|
|
|
|
int qed_mcp_handle_events(struct qed_hwfn *p_hwfn,
|
|
struct qed_ptt *p_ptt)
|
|
{
|
|
struct qed_mcp_info *info = p_hwfn->mcp_info;
|
|
int rc = 0;
|
|
bool found = false;
|
|
u16 i;
|
|
|
|
DP_VERBOSE(p_hwfn, QED_MSG_SP, "Received message from MFW\n");
|
|
|
|
/* Read Messages from MFW */
|
|
qed_mcp_read_mb(p_hwfn, p_ptt);
|
|
|
|
/* Compare current messages to old ones */
|
|
for (i = 0; i < info->mfw_mb_length; i++) {
|
|
if (info->mfw_mb_cur[i] == info->mfw_mb_shadow[i])
|
|
continue;
|
|
|
|
found = true;
|
|
|
|
DP_VERBOSE(p_hwfn, NETIF_MSG_LINK,
|
|
"Msg [%d] - old CMD 0x%02x, new CMD 0x%02x\n",
|
|
i, info->mfw_mb_shadow[i], info->mfw_mb_cur[i]);
|
|
|
|
switch (i) {
|
|
case MFW_DRV_MSG_LINK_CHANGE:
|
|
qed_mcp_handle_link_change(p_hwfn, p_ptt, false);
|
|
break;
|
|
case MFW_DRV_MSG_VF_DISABLED:
|
|
qed_mcp_handle_vf_flr(p_hwfn, p_ptt);
|
|
break;
|
|
case MFW_DRV_MSG_LLDP_DATA_UPDATED:
|
|
qed_dcbx_mib_update_event(p_hwfn, p_ptt,
|
|
QED_DCBX_REMOTE_LLDP_MIB);
|
|
break;
|
|
case MFW_DRV_MSG_DCBX_REMOTE_MIB_UPDATED:
|
|
qed_dcbx_mib_update_event(p_hwfn, p_ptt,
|
|
QED_DCBX_REMOTE_MIB);
|
|
break;
|
|
case MFW_DRV_MSG_DCBX_OPERATIONAL_MIB_UPDATED:
|
|
qed_dcbx_mib_update_event(p_hwfn, p_ptt,
|
|
QED_DCBX_OPERATIONAL_MIB);
|
|
break;
|
|
case MFW_DRV_MSG_TRANSCEIVER_STATE_CHANGE:
|
|
qed_mcp_handle_transceiver_change(p_hwfn, p_ptt);
|
|
break;
|
|
case MFW_DRV_MSG_GET_LAN_STATS:
|
|
case MFW_DRV_MSG_GET_FCOE_STATS:
|
|
case MFW_DRV_MSG_GET_ISCSI_STATS:
|
|
case MFW_DRV_MSG_GET_RDMA_STATS:
|
|
qed_mcp_send_protocol_stats(p_hwfn, p_ptt, i);
|
|
break;
|
|
case MFW_DRV_MSG_BW_UPDATE:
|
|
qed_mcp_update_bw(p_hwfn, p_ptt);
|
|
break;
|
|
default:
|
|
DP_NOTICE(p_hwfn, "Unimplemented MFW message %d\n", i);
|
|
rc = -EINVAL;
|
|
}
|
|
}
|
|
|
|
/* ACK everything */
|
|
for (i = 0; i < MFW_DRV_MSG_MAX_DWORDS(info->mfw_mb_length); i++) {
|
|
__be32 val = cpu_to_be32(((u32 *)info->mfw_mb_cur)[i]);
|
|
|
|
/* MFW expect answer in BE, so we force write in that format */
|
|
qed_wr(p_hwfn, p_ptt,
|
|
info->mfw_mb_addr + sizeof(u32) +
|
|
MFW_DRV_MSG_MAX_DWORDS(info->mfw_mb_length) *
|
|
sizeof(u32) + i * sizeof(u32),
|
|
(__force u32)val);
|
|
}
|
|
|
|
if (!found) {
|
|
DP_NOTICE(p_hwfn,
|
|
"Received an MFW message indication but no new message!\n");
|
|
rc = -EINVAL;
|
|
}
|
|
|
|
/* Copy the new mfw messages into the shadow */
|
|
memcpy(info->mfw_mb_shadow, info->mfw_mb_cur, info->mfw_mb_length);
|
|
|
|
return rc;
|
|
}
|
|
|
|
int qed_mcp_get_mfw_ver(struct qed_hwfn *p_hwfn,
|
|
struct qed_ptt *p_ptt,
|
|
u32 *p_mfw_ver, u32 *p_running_bundle_id)
|
|
{
|
|
u32 global_offsize;
|
|
|
|
if (IS_VF(p_hwfn->cdev)) {
|
|
if (p_hwfn->vf_iov_info) {
|
|
struct pfvf_acquire_resp_tlv *p_resp;
|
|
|
|
p_resp = &p_hwfn->vf_iov_info->acquire_resp;
|
|
*p_mfw_ver = p_resp->pfdev_info.mfw_ver;
|
|
return 0;
|
|
} else {
|
|
DP_VERBOSE(p_hwfn,
|
|
QED_MSG_IOV,
|
|
"VF requested MFW version prior to ACQUIRE\n");
|
|
return -EINVAL;
|
|
}
|
|
}
|
|
|
|
global_offsize = qed_rd(p_hwfn, p_ptt,
|
|
SECTION_OFFSIZE_ADDR(p_hwfn->
|
|
mcp_info->public_base,
|
|
PUBLIC_GLOBAL));
|
|
*p_mfw_ver =
|
|
qed_rd(p_hwfn, p_ptt,
|
|
SECTION_ADDR(global_offsize,
|
|
0) + offsetof(struct public_global, mfw_ver));
|
|
|
|
if (p_running_bundle_id != NULL) {
|
|
*p_running_bundle_id = qed_rd(p_hwfn, p_ptt,
|
|
SECTION_ADDR(global_offsize, 0) +
|
|
offsetof(struct public_global,
|
|
running_bundle_id));
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
int qed_mcp_get_media_type(struct qed_dev *cdev, u32 *p_media_type)
|
|
{
|
|
struct qed_hwfn *p_hwfn = &cdev->hwfns[0];
|
|
struct qed_ptt *p_ptt;
|
|
|
|
if (IS_VF(cdev))
|
|
return -EINVAL;
|
|
|
|
if (!qed_mcp_is_init(p_hwfn)) {
|
|
DP_NOTICE(p_hwfn, "MFW is not initialized!\n");
|
|
return -EBUSY;
|
|
}
|
|
|
|
*p_media_type = MEDIA_UNSPECIFIED;
|
|
|
|
p_ptt = qed_ptt_acquire(p_hwfn);
|
|
if (!p_ptt)
|
|
return -EBUSY;
|
|
|
|
*p_media_type = qed_rd(p_hwfn, p_ptt, p_hwfn->mcp_info->port_addr +
|
|
offsetof(struct public_port, media_type));
|
|
|
|
qed_ptt_release(p_hwfn, p_ptt);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
qed_mcp_get_shmem_proto(struct qed_hwfn *p_hwfn,
|
|
struct public_func *p_info,
|
|
enum qed_pci_personality *p_proto)
|
|
{
|
|
int rc = 0;
|
|
|
|
switch (p_info->config & FUNC_MF_CFG_PROTOCOL_MASK) {
|
|
case FUNC_MF_CFG_PROTOCOL_ETHERNET:
|
|
if (test_bit(QED_DEV_CAP_ROCE,
|
|
&p_hwfn->hw_info.device_capabilities))
|
|
*p_proto = QED_PCI_ETH_ROCE;
|
|
else
|
|
*p_proto = QED_PCI_ETH;
|
|
break;
|
|
case FUNC_MF_CFG_PROTOCOL_ISCSI:
|
|
*p_proto = QED_PCI_ISCSI;
|
|
break;
|
|
case FUNC_MF_CFG_PROTOCOL_ROCE:
|
|
DP_NOTICE(p_hwfn, "RoCE personality is not a valid value!\n");
|
|
rc = -EINVAL;
|
|
break;
|
|
default:
|
|
rc = -EINVAL;
|
|
}
|
|
|
|
return rc;
|
|
}
|
|
|
|
int qed_mcp_fill_shmem_func_info(struct qed_hwfn *p_hwfn,
|
|
struct qed_ptt *p_ptt)
|
|
{
|
|
struct qed_mcp_function_info *info;
|
|
struct public_func shmem_info;
|
|
|
|
qed_mcp_get_shmem_func(p_hwfn, p_ptt, &shmem_info, MCP_PF_ID(p_hwfn));
|
|
info = &p_hwfn->mcp_info->func_info;
|
|
|
|
info->pause_on_host = (shmem_info.config &
|
|
FUNC_MF_CFG_PAUSE_ON_HOST_RING) ? 1 : 0;
|
|
|
|
if (qed_mcp_get_shmem_proto(p_hwfn, &shmem_info, &info->protocol)) {
|
|
DP_ERR(p_hwfn, "Unknown personality %08x\n",
|
|
(u32)(shmem_info.config & FUNC_MF_CFG_PROTOCOL_MASK));
|
|
return -EINVAL;
|
|
}
|
|
|
|
qed_read_pf_bandwidth(p_hwfn, &shmem_info);
|
|
|
|
if (shmem_info.mac_upper || shmem_info.mac_lower) {
|
|
info->mac[0] = (u8)(shmem_info.mac_upper >> 8);
|
|
info->mac[1] = (u8)(shmem_info.mac_upper);
|
|
info->mac[2] = (u8)(shmem_info.mac_lower >> 24);
|
|
info->mac[3] = (u8)(shmem_info.mac_lower >> 16);
|
|
info->mac[4] = (u8)(shmem_info.mac_lower >> 8);
|
|
info->mac[5] = (u8)(shmem_info.mac_lower);
|
|
} else {
|
|
DP_NOTICE(p_hwfn, "MAC is 0 in shmem\n");
|
|
}
|
|
|
|
info->wwn_port = (u64)shmem_info.fcoe_wwn_port_name_upper |
|
|
(((u64)shmem_info.fcoe_wwn_port_name_lower) << 32);
|
|
info->wwn_node = (u64)shmem_info.fcoe_wwn_node_name_upper |
|
|
(((u64)shmem_info.fcoe_wwn_node_name_lower) << 32);
|
|
|
|
info->ovlan = (u16)(shmem_info.ovlan_stag & FUNC_MF_CFG_OV_STAG_MASK);
|
|
|
|
DP_VERBOSE(p_hwfn, (QED_MSG_SP | NETIF_MSG_IFUP),
|
|
"Read configuration from shmem: pause_on_host %02x protocol %02x BW [%02x - %02x] MAC %02x:%02x:%02x:%02x:%02x:%02x wwn port %llx node %llx ovlan %04x\n",
|
|
info->pause_on_host, info->protocol,
|
|
info->bandwidth_min, info->bandwidth_max,
|
|
info->mac[0], info->mac[1], info->mac[2],
|
|
info->mac[3], info->mac[4], info->mac[5],
|
|
info->wwn_port, info->wwn_node, info->ovlan);
|
|
|
|
return 0;
|
|
}
|
|
|
|
struct qed_mcp_link_params
|
|
*qed_mcp_get_link_params(struct qed_hwfn *p_hwfn)
|
|
{
|
|
if (!p_hwfn || !p_hwfn->mcp_info)
|
|
return NULL;
|
|
return &p_hwfn->mcp_info->link_input;
|
|
}
|
|
|
|
struct qed_mcp_link_state
|
|
*qed_mcp_get_link_state(struct qed_hwfn *p_hwfn)
|
|
{
|
|
if (!p_hwfn || !p_hwfn->mcp_info)
|
|
return NULL;
|
|
return &p_hwfn->mcp_info->link_output;
|
|
}
|
|
|
|
struct qed_mcp_link_capabilities
|
|
*qed_mcp_get_link_capabilities(struct qed_hwfn *p_hwfn)
|
|
{
|
|
if (!p_hwfn || !p_hwfn->mcp_info)
|
|
return NULL;
|
|
return &p_hwfn->mcp_info->link_capabilities;
|
|
}
|
|
|
|
int qed_mcp_drain(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
|
|
{
|
|
u32 resp = 0, param = 0;
|
|
int rc;
|
|
|
|
rc = qed_mcp_cmd(p_hwfn, p_ptt,
|
|
DRV_MSG_CODE_NIG_DRAIN, 1000, &resp, ¶m);
|
|
|
|
/* Wait for the drain to complete before returning */
|
|
msleep(1020);
|
|
|
|
return rc;
|
|
}
|
|
|
|
int qed_mcp_get_flash_size(struct qed_hwfn *p_hwfn,
|
|
struct qed_ptt *p_ptt, u32 *p_flash_size)
|
|
{
|
|
u32 flash_size;
|
|
|
|
if (IS_VF(p_hwfn->cdev))
|
|
return -EINVAL;
|
|
|
|
flash_size = qed_rd(p_hwfn, p_ptt, MCP_REG_NVM_CFG4);
|
|
flash_size = (flash_size & MCP_REG_NVM_CFG4_FLASH_SIZE) >>
|
|
MCP_REG_NVM_CFG4_FLASH_SIZE_SHIFT;
|
|
flash_size = (1 << (flash_size + MCP_BYTES_PER_MBIT_SHIFT));
|
|
|
|
*p_flash_size = flash_size;
|
|
|
|
return 0;
|
|
}
|
|
|
|
int qed_mcp_config_vf_msix(struct qed_hwfn *p_hwfn,
|
|
struct qed_ptt *p_ptt, u8 vf_id, u8 num)
|
|
{
|
|
u32 resp = 0, param = 0, rc_param = 0;
|
|
int rc;
|
|
|
|
/* Only Leader can configure MSIX, and need to take CMT into account */
|
|
if (!IS_LEAD_HWFN(p_hwfn))
|
|
return 0;
|
|
num *= p_hwfn->cdev->num_hwfns;
|
|
|
|
param |= (vf_id << DRV_MB_PARAM_CFG_VF_MSIX_VF_ID_SHIFT) &
|
|
DRV_MB_PARAM_CFG_VF_MSIX_VF_ID_MASK;
|
|
param |= (num << DRV_MB_PARAM_CFG_VF_MSIX_SB_NUM_SHIFT) &
|
|
DRV_MB_PARAM_CFG_VF_MSIX_SB_NUM_MASK;
|
|
|
|
rc = qed_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_CFG_VF_MSIX, param,
|
|
&resp, &rc_param);
|
|
|
|
if (resp != FW_MSG_CODE_DRV_CFG_VF_MSIX_DONE) {
|
|
DP_NOTICE(p_hwfn, "VF[%d]: MFW failed to set MSI-X\n", vf_id);
|
|
rc = -EINVAL;
|
|
} else {
|
|
DP_VERBOSE(p_hwfn, QED_MSG_IOV,
|
|
"Requested 0x%02x MSI-x interrupts from VF 0x%02x\n",
|
|
num, vf_id);
|
|
}
|
|
|
|
return rc;
|
|
}
|
|
|
|
int
|
|
qed_mcp_send_drv_version(struct qed_hwfn *p_hwfn,
|
|
struct qed_ptt *p_ptt,
|
|
struct qed_mcp_drv_version *p_ver)
|
|
{
|
|
struct drv_version_stc *p_drv_version;
|
|
struct qed_mcp_mb_params mb_params;
|
|
union drv_union_data union_data;
|
|
__be32 val;
|
|
u32 i;
|
|
int rc;
|
|
|
|
p_drv_version = &union_data.drv_version;
|
|
p_drv_version->version = p_ver->version;
|
|
|
|
for (i = 0; i < (MCP_DRV_VER_STR_SIZE - 4) / sizeof(u32); i++) {
|
|
val = cpu_to_be32(*((u32 *)&p_ver->name[i * sizeof(u32)]));
|
|
*(__be32 *)&p_drv_version->name[i * sizeof(u32)] = val;
|
|
}
|
|
|
|
memset(&mb_params, 0, sizeof(mb_params));
|
|
mb_params.cmd = DRV_MSG_CODE_SET_VERSION;
|
|
mb_params.p_data_src = &union_data;
|
|
rc = qed_mcp_cmd_and_union(p_hwfn, p_ptt, &mb_params);
|
|
if (rc)
|
|
DP_ERR(p_hwfn, "MCP response failure, aborting\n");
|
|
|
|
return rc;
|
|
}
|
|
|
|
int qed_mcp_halt(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
|
|
{
|
|
u32 resp = 0, param = 0;
|
|
int rc;
|
|
|
|
rc = qed_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_MCP_HALT, 0, &resp,
|
|
¶m);
|
|
if (rc)
|
|
DP_ERR(p_hwfn, "MCP response failure, aborting\n");
|
|
|
|
return rc;
|
|
}
|
|
|
|
int qed_mcp_resume(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
|
|
{
|
|
u32 value, cpu_mode;
|
|
|
|
qed_wr(p_hwfn, p_ptt, MCP_REG_CPU_STATE, 0xffffffff);
|
|
|
|
value = qed_rd(p_hwfn, p_ptt, MCP_REG_CPU_MODE);
|
|
value &= ~MCP_REG_CPU_MODE_SOFT_HALT;
|
|
qed_wr(p_hwfn, p_ptt, MCP_REG_CPU_MODE, value);
|
|
cpu_mode = qed_rd(p_hwfn, p_ptt, MCP_REG_CPU_MODE);
|
|
|
|
return (cpu_mode & MCP_REG_CPU_MODE_SOFT_HALT) ? -EAGAIN : 0;
|
|
}
|
|
|
|
int qed_mcp_set_led(struct qed_hwfn *p_hwfn,
|
|
struct qed_ptt *p_ptt, enum qed_led_mode mode)
|
|
{
|
|
u32 resp = 0, param = 0, drv_mb_param;
|
|
int rc;
|
|
|
|
switch (mode) {
|
|
case QED_LED_MODE_ON:
|
|
drv_mb_param = DRV_MB_PARAM_SET_LED_MODE_ON;
|
|
break;
|
|
case QED_LED_MODE_OFF:
|
|
drv_mb_param = DRV_MB_PARAM_SET_LED_MODE_OFF;
|
|
break;
|
|
case QED_LED_MODE_RESTORE:
|
|
drv_mb_param = DRV_MB_PARAM_SET_LED_MODE_OPER;
|
|
break;
|
|
default:
|
|
DP_NOTICE(p_hwfn, "Invalid LED mode %d\n", mode);
|
|
return -EINVAL;
|
|
}
|
|
|
|
rc = qed_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_SET_LED_MODE,
|
|
drv_mb_param, &resp, ¶m);
|
|
|
|
return rc;
|
|
}
|
|
|
|
int qed_mcp_mask_parities(struct qed_hwfn *p_hwfn,
|
|
struct qed_ptt *p_ptt, u32 mask_parities)
|
|
{
|
|
u32 resp = 0, param = 0;
|
|
int rc;
|
|
|
|
rc = qed_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_MASK_PARITIES,
|
|
mask_parities, &resp, ¶m);
|
|
|
|
if (rc) {
|
|
DP_ERR(p_hwfn,
|
|
"MCP response failure for mask parities, aborting\n");
|
|
} else if (resp != FW_MSG_CODE_OK) {
|
|
DP_ERR(p_hwfn,
|
|
"MCP did not acknowledge mask parity request. Old MFW?\n");
|
|
rc = -EINVAL;
|
|
}
|
|
|
|
return rc;
|
|
}
|
|
|
|
int qed_mcp_bist_register_test(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
|
|
{
|
|
u32 drv_mb_param = 0, rsp, param;
|
|
int rc = 0;
|
|
|
|
drv_mb_param = (DRV_MB_PARAM_BIST_REGISTER_TEST <<
|
|
DRV_MB_PARAM_BIST_TEST_INDEX_SHIFT);
|
|
|
|
rc = qed_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_BIST_TEST,
|
|
drv_mb_param, &rsp, ¶m);
|
|
|
|
if (rc)
|
|
return rc;
|
|
|
|
if (((rsp & FW_MSG_CODE_MASK) != FW_MSG_CODE_OK) ||
|
|
(param != DRV_MB_PARAM_BIST_RC_PASSED))
|
|
rc = -EAGAIN;
|
|
|
|
return rc;
|
|
}
|
|
|
|
int qed_mcp_bist_clock_test(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
|
|
{
|
|
u32 drv_mb_param, rsp, param;
|
|
int rc = 0;
|
|
|
|
drv_mb_param = (DRV_MB_PARAM_BIST_CLOCK_TEST <<
|
|
DRV_MB_PARAM_BIST_TEST_INDEX_SHIFT);
|
|
|
|
rc = qed_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_BIST_TEST,
|
|
drv_mb_param, &rsp, ¶m);
|
|
|
|
if (rc)
|
|
return rc;
|
|
|
|
if (((rsp & FW_MSG_CODE_MASK) != FW_MSG_CODE_OK) ||
|
|
(param != DRV_MB_PARAM_BIST_RC_PASSED))
|
|
rc = -EAGAIN;
|
|
|
|
return rc;
|
|
}
|