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net/qede/base: support previous driver unload

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New driver/management fw load request sequence for handling previous
driver unload.

Signed-off-by: Rasesh Mody <rasesh.mody@cavium.com>
This commit is contained in:
Rasesh Mody 2017-03-29 13:36:41 -07:00 committed by Ferruh Yigit
parent a261b214b2
commit 0b6bf70d7e
7 changed files with 485 additions and 74 deletions
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13
drivers/net/qede/base/ecore.h
View File

@ -28,6 +28,19 @@
#include "ecore_proto_if.h"
#include "mcp_public.h"
#define ECORE_MAJOR_VERSION 8
#define ECORE_MINOR_VERSION 18
#define ECORE_REVISION_VERSION 7
#define ECORE_ENGINEERING_VERSION 0
#define ECORE_VERSION \
((ECORE_MAJOR_VERSION << 24) | (ECORE_MINOR_VERSION << 16) | \
(ECORE_REVISION_VERSION << 8) | ECORE_ENGINEERING_VERSION)
#define STORM_FW_VERSION \
((FW_MAJOR_VERSION << 24) | (FW_MINOR_VERSION << 16) | \
(FW_REVISION_VERSION << 8) | FW_ENGINEERING_VERSION)
#define MAX_HWFNS_PER_DEVICE 2
#define NAME_SIZE 128 /* @DPDK */
#define ECORE_WFQ_UNIT 100

43
drivers/net/qede/base/ecore_dev.c
View File

@ -1901,10 +1901,11 @@ enum _ecore_status_t ecore_vf_start(struct ecore_hwfn *p_hwfn,
enum _ecore_status_t ecore_hw_init(struct ecore_dev *p_dev,
struct ecore_hw_init_params *p_params)
{
enum _ecore_status_t rc = ECORE_SUCCESS, mfw_rc;
struct ecore_load_req_params load_req_params;
u32 load_code, param, drv_mb_param;
bool b_default_mtu = true;
struct ecore_hwfn *p_hwfn;
bool b_default_mtu = true;
enum _ecore_status_t rc = ECORE_SUCCESS, mfw_rc;
int i;
if ((p_params->int_mode == ECORE_INT_MODE_MSI) &&
@ -1943,17 +1944,25 @@ enum _ecore_status_t ecore_hw_init(struct ecore_dev *p_dev,
if (rc != ECORE_SUCCESS)
return rc;
/* @@@TBD need to add here:
* Check for fan failure
* Prev_unload
*/
rc = ecore_mcp_load_req(p_hwfn, p_hwfn->p_main_ptt, &load_code);
if (rc) {
OSAL_MEM_ZERO(&load_req_params, sizeof(load_req_params));
load_req_params.drv_role = p_params->is_crash_kernel ?
ECORE_DRV_ROLE_KDUMP :
ECORE_DRV_ROLE_OS;
load_req_params.timeout_val = p_params->mfw_timeout_val;
load_req_params.avoid_eng_reset = p_params->avoid_eng_reset;
rc = ecore_mcp_load_req(p_hwfn, p_hwfn->p_main_ptt,
&load_req_params);
if (rc != ECORE_SUCCESS) {
DP_NOTICE(p_hwfn, true,
"Failed sending LOAD_REQ command\n");
"Failed sending a LOAD_REQ command\n");
return rc;
}
load_code = load_req_params.load_code;
DP_VERBOSE(p_hwfn, ECORE_MSG_SP,
"Load request was sent. Load code: 0x%x\n",
load_code);
/* CQ75580:
* When coming back from hiberbate state, the registers from
* which shadow is read initially are not initialized. It turns
@ -1966,10 +1975,6 @@ enum _ecore_status_t ecore_hw_init(struct ecore_dev *p_dev,
*/
ecore_reset_mb_shadow(p_hwfn, p_hwfn->p_main_ptt);
DP_VERBOSE(p_hwfn, ECORE_MSG_SP,
"Load request was sent. Resp:0x%x, Load code: 0x%x\n",
rc, load_code);
/* Only relevant for recovery:
* Clear the indication after the LOAD_REQ command is responded
* by the MFW.
@ -1988,13 +1993,13 @@ enum _ecore_status_t ecore_hw_init(struct ecore_dev *p_dev,
case FW_MSG_CODE_DRV_LOAD_ENGINE:
rc = ecore_hw_init_common(p_hwfn, p_hwfn->p_main_ptt,
p_hwfn->hw_info.hw_mode);
if (rc)
if (rc != ECORE_SUCCESS)
break;
/* Fall into */
case FW_MSG_CODE_DRV_LOAD_PORT:
rc = ecore_hw_init_port(p_hwfn, p_hwfn->p_main_ptt,
p_hwfn->hw_info.hw_mode);
if (rc)
if (rc != ECORE_SUCCESS)
break;
/* Fall into */
case FW_MSG_CODE_DRV_LOAD_FUNCTION:
@ -2006,6 +2011,8 @@ enum _ecore_status_t ecore_hw_init(struct ecore_dev *p_dev,
p_params->allow_npar_tx_switch);
break;
default:
DP_NOTICE(p_hwfn, false,
"Unexpected load code [0x%08x]", load_code);
rc = ECORE_NOTIMPL;
break;
}
@ -2021,6 +2028,7 @@ enum _ecore_status_t ecore_hw_init(struct ecore_dev *p_dev,
0, &load_code, &param);
if (rc != ECORE_SUCCESS)
return rc;
if (mfw_rc != ECORE_SUCCESS) {
DP_NOTICE(p_hwfn, true,
"Failed sending LOAD_DONE command\n");
@ -2045,10 +2053,7 @@ enum _ecore_status_t ecore_hw_init(struct ecore_dev *p_dev,
if (IS_PF(p_dev)) {
p_hwfn = ECORE_LEADING_HWFN(p_dev);
drv_mb_param = (FW_MAJOR_VERSION << 24) |
(FW_MINOR_VERSION << 16) |
(FW_REVISION_VERSION << 8) |
(FW_ENGINEERING_VERSION);
drv_mb_param = STORM_FW_VERSION;
rc = ecore_mcp_cmd(p_hwfn, p_hwfn->p_main_ptt,
DRV_MSG_CODE_OV_UPDATE_STORM_FW_VER,
drv_mb_param, &load_code, &param);

34
drivers/net/qede/base/ecore_dev_api.h
View File

@ -58,16 +58,38 @@ enum _ecore_status_t ecore_resc_alloc(struct ecore_dev *p_dev);
void ecore_resc_setup(struct ecore_dev *p_dev);
struct ecore_hw_init_params {
/* tunnelling parameters */
/* Tunnelling parameters */
struct ecore_tunnel_info *p_tunn;
bool b_hw_start;
/* interrupt mode [msix, inta, etc.] to use */
enum ecore_int_mode int_mode;
/* npar tx switching to be used for vports configured for tx-switching */
bool b_hw_start;
/* Interrupt mode [msix, inta, etc.] to use */
enum ecore_int_mode int_mode;
/* NPAR tx switching to be used for vports configured for tx-switching
*/
bool allow_npar_tx_switch;
/* binary fw data pointer in binary fw file */
/* Binary fw data pointer in binary fw file */
const u8 *bin_fw_data;
/* Indicates whether the driver is running over a crash kernel.
* As part of the load request, this will be used for providing the
* driver role to the MFW.
* In case of a crash kernel over PDA - this should be set to false.
*/
bool is_crash_kernel;
/* The timeout value that the MFW should use when locking the engine for
* the driver load process.
* A value of '0' means the default value, and '255' means no timeout.
*/
u8 mfw_timeout_val;
#define ECORE_LOAD_REQ_LOCK_TO_DEFAULT 0
#define ECORE_LOAD_REQ_LOCK_TO_NONE 255
/* Avoid engine reset when first PF loads on it */
bool avoid_eng_reset;
};
/**

371
drivers/net/qede/base/ecore_mcp.c
View File

@ -518,50 +518,367 @@ static void ecore_mcp_mf_workaround(struct ecore_hwfn *p_hwfn,
}
#endif
static bool ecore_mcp_can_force_load(u8 drv_role, u8 exist_drv_role)
{
return (drv_role == DRV_ROLE_OS &&
exist_drv_role == DRV_ROLE_PREBOOT) ||
(drv_role == DRV_ROLE_KDUMP && exist_drv_role == DRV_ROLE_OS);
}
static enum _ecore_status_t ecore_mcp_cancel_load_req(struct ecore_hwfn *p_hwfn,
struct ecore_ptt *p_ptt)
{
u32 resp = 0, param = 0;
enum _ecore_status_t rc;
rc = ecore_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_CANCEL_LOAD_REQ, 0,
&resp, &param);
if (rc != ECORE_SUCCESS)
DP_NOTICE(p_hwfn, false,
"Failed to send cancel load request, rc = %d\n", rc);
return rc;
}
#define CONFIG_ECORE_L2_BITMAP_IDX (0x1 << 0)
#define CONFIG_ECORE_SRIOV_BITMAP_IDX (0x1 << 1)
#define CONFIG_ECORE_ROCE_BITMAP_IDX (0x1 << 2)
#define CONFIG_ECORE_IWARP_BITMAP_IDX (0x1 << 3)
#define CONFIG_ECORE_FCOE_BITMAP_IDX (0x1 << 4)
#define CONFIG_ECORE_ISCSI_BITMAP_IDX (0x1 << 5)
#define CONFIG_ECORE_LL2_BITMAP_IDX (0x1 << 6)
static u32 ecore_get_config_bitmap(void)
{
u32 config_bitmap = 0x0;
#ifdef CONFIG_ECORE_L2
config_bitmap |= CONFIG_ECORE_L2_BITMAP_IDX;
#endif
#ifdef CONFIG_ECORE_SRIOV
config_bitmap |= CONFIG_ECORE_SRIOV_BITMAP_IDX;
#endif
#ifdef CONFIG_ECORE_ROCE
config_bitmap |= CONFIG_ECORE_ROCE_BITMAP_IDX;
#endif
#ifdef CONFIG_ECORE_IWARP
config_bitmap |= CONFIG_ECORE_IWARP_BITMAP_IDX;
#endif
#ifdef CONFIG_ECORE_FCOE
config_bitmap |= CONFIG_ECORE_FCOE_BITMAP_IDX;
#endif
#ifdef CONFIG_ECORE_ISCSI
config_bitmap |= CONFIG_ECORE_ISCSI_BITMAP_IDX;
#endif
#ifdef CONFIG_ECORE_LL2
config_bitmap |= CONFIG_ECORE_LL2_BITMAP_IDX;
#endif
return config_bitmap;
}
struct ecore_load_req_in_params {
u8 hsi_ver;
#define ECORE_LOAD_REQ_HSI_VER_DEFAULT 0
#define ECORE_LOAD_REQ_HSI_VER_1 1
u32 drv_ver_0;
u32 drv_ver_1;
u32 fw_ver;
u8 drv_role;
u8 timeout_val;
u8 force_cmd;
bool avoid_eng_reset;
};
struct ecore_load_req_out_params {
u32 load_code;
u32 exist_drv_ver_0;
u32 exist_drv_ver_1;
u32 exist_fw_ver;
u8 exist_drv_role;
u8 mfw_hsi_ver;
bool drv_exists;
};
static enum _ecore_status_t
__ecore_mcp_load_req(struct ecore_hwfn *p_hwfn, struct ecore_ptt *p_ptt,
struct ecore_load_req_in_params *p_in_params,
struct ecore_load_req_out_params *p_out_params)
{
union drv_union_data union_data_src, union_data_dst;
struct ecore_mcp_mb_params mb_params;
struct load_req_stc *p_load_req;
struct load_rsp_stc *p_load_rsp;
u32 hsi_ver;
enum _ecore_status_t rc;
p_load_req = &union_data_src.load_req;
OSAL_MEM_ZERO(p_load_req, sizeof(*p_load_req));
p_load_req->drv_ver_0 = p_in_params->drv_ver_0;
p_load_req->drv_ver_1 = p_in_params->drv_ver_1;
p_load_req->fw_ver = p_in_params->fw_ver;
ECORE_MFW_SET_FIELD(p_load_req->misc0, LOAD_REQ_ROLE,
p_in_params->drv_role);
ECORE_MFW_SET_FIELD(p_load_req->misc0, LOAD_REQ_LOCK_TO,
p_in_params->timeout_val);
ECORE_MFW_SET_FIELD(p_load_req->misc0, LOAD_REQ_FORCE,
p_in_params->force_cmd);
ECORE_MFW_SET_FIELD(p_load_req->misc0, LOAD_REQ_FLAGS0,
p_in_params->avoid_eng_reset);
hsi_ver = (p_in_params->hsi_ver == ECORE_LOAD_REQ_HSI_VER_DEFAULT) ?
DRV_ID_MCP_HSI_VER_CURRENT :
(p_in_params->hsi_ver << DRV_ID_MCP_HSI_VER_SHIFT);
OSAL_MEM_ZERO(&mb_params, sizeof(mb_params));
mb_params.cmd = DRV_MSG_CODE_LOAD_REQ;
mb_params.param = PDA_COMP | hsi_ver | p_hwfn->p_dev->drv_type;
mb_params.p_data_src = &union_data_src;
mb_params.p_data_dst = &union_data_dst;
DP_VERBOSE(p_hwfn, ECORE_MSG_SP,
"Load Request: param 0x%08x [init_hw %d, drv_type %d, hsi_ver %d, pda 0x%04x]\n",
mb_params.param,
ECORE_MFW_GET_FIELD(mb_params.param, DRV_ID_DRV_INIT_HW),
ECORE_MFW_GET_FIELD(mb_params.param, DRV_ID_DRV_TYPE),
ECORE_MFW_GET_FIELD(mb_params.param, DRV_ID_MCP_HSI_VER),
ECORE_MFW_GET_FIELD(mb_params.param, DRV_ID_PDA_COMP_VER));
if (p_in_params->hsi_ver != ECORE_LOAD_REQ_HSI_VER_1)
DP_VERBOSE(p_hwfn, ECORE_MSG_SP,
"Load Request: drv_ver 0x%08x_0x%08x, fw_ver 0x%08x, misc0 0x%08x [role %d, timeout %d, force %d, flags0 0x%x]\n",
p_load_req->drv_ver_0, p_load_req->drv_ver_1,
p_load_req->fw_ver, p_load_req->misc0,
ECORE_MFW_GET_FIELD(p_load_req->misc0,
LOAD_REQ_ROLE),
ECORE_MFW_GET_FIELD(p_load_req->misc0,
LOAD_REQ_LOCK_TO),
ECORE_MFW_GET_FIELD(p_load_req->misc0,
LOAD_REQ_FORCE),
ECORE_MFW_GET_FIELD(p_load_req->misc0,
LOAD_REQ_FLAGS0));
rc = ecore_mcp_cmd_and_union(p_hwfn, p_ptt, &mb_params);
if (rc != ECORE_SUCCESS) {
DP_NOTICE(p_hwfn, false,
"Failed to send load request, rc = %d\n", rc);
return rc;
}
DP_VERBOSE(p_hwfn, ECORE_MSG_SP,
"Load Response: resp 0x%08x\n", mb_params.mcp_resp);
p_out_params->load_code = mb_params.mcp_resp;
if (p_in_params->hsi_ver != ECORE_LOAD_REQ_HSI_VER_1 &&
p_out_params->load_code != FW_MSG_CODE_DRV_LOAD_REFUSED_HSI_1) {
p_load_rsp = &union_data_dst.load_rsp;
DP_VERBOSE(p_hwfn, ECORE_MSG_SP,
"Load Response: exist_drv_ver 0x%08x_0x%08x, exist_fw_ver 0x%08x, misc0 0x%08x [exist_role %d, mfw_hsi %d, flags0 0x%x]\n",
p_load_rsp->drv_ver_0, p_load_rsp->drv_ver_1,
p_load_rsp->fw_ver, p_load_rsp->misc0,
ECORE_MFW_GET_FIELD(p_load_rsp->misc0,
LOAD_RSP_ROLE),
ECORE_MFW_GET_FIELD(p_load_rsp->misc0,
LOAD_RSP_HSI),
ECORE_MFW_GET_FIELD(p_load_rsp->misc0,
LOAD_RSP_FLAGS0));
p_out_params->exist_drv_ver_0 = p_load_rsp->drv_ver_0;
p_out_params->exist_drv_ver_1 = p_load_rsp->drv_ver_1;
p_out_params->exist_fw_ver = p_load_rsp->fw_ver;
p_out_params->exist_drv_role =
ECORE_MFW_GET_FIELD(p_load_rsp->misc0, LOAD_RSP_ROLE);
p_out_params->mfw_hsi_ver =
ECORE_MFW_GET_FIELD(p_load_rsp->misc0, LOAD_RSP_HSI);
p_out_params->drv_exists =
ECORE_MFW_GET_FIELD(p_load_rsp->misc0,
LOAD_RSP_FLAGS0) &
LOAD_RSP_FLAGS0_DRV_EXISTS;
}
return ECORE_SUCCESS;
}
static enum _ecore_status_t eocre_get_mfw_drv_role(struct ecore_hwfn *p_hwfn,
enum ecore_drv_role drv_role,
u8 *p_mfw_drv_role)
{
switch (drv_role) {
case ECORE_DRV_ROLE_OS:
*p_mfw_drv_role = DRV_ROLE_OS;
break;
case ECORE_DRV_ROLE_KDUMP:
*p_mfw_drv_role = DRV_ROLE_KDUMP;
break;
default:
DP_ERR(p_hwfn, "Unexpected driver role %d\n", drv_role);
return ECORE_INVAL;
}
return ECORE_SUCCESS;
}
enum ecore_load_req_force {
ECORE_LOAD_REQ_FORCE_NONE,
ECORE_LOAD_REQ_FORCE_PF,
ECORE_LOAD_REQ_FORCE_ALL,
};
static enum _ecore_status_t
ecore_get_mfw_force_cmd(struct ecore_hwfn *p_hwfn,
enum ecore_load_req_force force_cmd,
u8 *p_mfw_force_cmd)
{
switch (force_cmd) {
case ECORE_LOAD_REQ_FORCE_NONE:
*p_mfw_force_cmd = LOAD_REQ_FORCE_NONE;
break;
case ECORE_LOAD_REQ_FORCE_PF:
*p_mfw_force_cmd = LOAD_REQ_FORCE_PF;
break;
case ECORE_LOAD_REQ_FORCE_ALL:
*p_mfw_force_cmd = LOAD_REQ_FORCE_ALL;
break;
default:
DP_ERR(p_hwfn, "Unexpected force value %d\n", force_cmd);
return ECORE_INVAL;
}
return ECORE_SUCCESS;
}
enum _ecore_status_t ecore_mcp_load_req(struct ecore_hwfn *p_hwfn,
struct ecore_ptt *p_ptt,
u32 *p_load_code)
struct ecore_load_req_params *p_params)
{
struct ecore_dev *p_dev = p_hwfn->p_dev;
struct ecore_mcp_mb_params mb_params;
struct ecore_load_req_out_params out_params;
struct ecore_load_req_in_params in_params;
u8 mfw_drv_role, mfw_force_cmd;
enum _ecore_status_t rc;
#ifndef ASIC_ONLY
if (CHIP_REV_IS_EMUL(p_hwfn->p_dev)) {
ecore_mcp_mf_workaround(p_hwfn, p_load_code);
ecore_mcp_mf_workaround(p_hwfn, &p_params->load_code);
return ECORE_SUCCESS;
}
#endif
OSAL_MEM_ZERO(&mb_params, sizeof(mb_params));
mb_params.cmd = DRV_MSG_CODE_LOAD_REQ;
mb_params.param = PDA_COMP | DRV_ID_MCP_HSI_VER_CURRENT |
p_dev->drv_type;
rc = ecore_mcp_cmd_and_union(p_hwfn, p_ptt, &mb_params);
/* if mcp fails to respond we must abort */
if (rc != ECORE_SUCCESS) {
DP_ERR(p_hwfn, "MCP response failure, aborting\n");
OSAL_MEM_ZERO(&in_params, sizeof(in_params));
in_params.hsi_ver = ECORE_LOAD_REQ_HSI_VER_DEFAULT;
in_params.drv_ver_0 = ECORE_VERSION;
in_params.drv_ver_1 = ecore_get_config_bitmap();
in_params.fw_ver = STORM_FW_VERSION;
rc = eocre_get_mfw_drv_role(p_hwfn, p_params->drv_role, &mfw_drv_role);
if (rc != ECORE_SUCCESS)
return rc;
}
*p_load_code = mb_params.mcp_resp;
in_params.drv_role = mfw_drv_role;
in_params.timeout_val = p_params->timeout_val;
rc = ecore_get_mfw_force_cmd(p_hwfn, ECORE_LOAD_REQ_FORCE_NONE,
&mfw_force_cmd);
if (rc != ECORE_SUCCESS)
return rc;
/* 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.
* -
in_params.force_cmd = mfw_force_cmd;
in_params.avoid_eng_reset = p_params->avoid_eng_reset;
OSAL_MEM_ZERO(&out_params, sizeof(out_params));
rc = __ecore_mcp_load_req(p_hwfn, p_ptt, &in_params, &out_params);
if (rc != ECORE_SUCCESS)
return rc;
/* First handle cases where another load request should/might be sent:
* - MFW expects the old interface [HSI version = 1]
* - MFW responds that a force load request is required
*/
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");
if (out_params.load_code == FW_MSG_CODE_DRV_LOAD_REFUSED_HSI_1) {
DP_INFO(p_hwfn,
"MFW refused a load request due to HSI > 1. Resending with HSI = 1.\n");
/* The previous load request set the mailbox blocking */
p_hwfn->mcp_info->block_mb_sending = false;
in_params.hsi_ver = ECORE_LOAD_REQ_HSI_VER_1;
OSAL_MEM_ZERO(&out_params, sizeof(out_params));
rc = __ecore_mcp_load_req(p_hwfn, p_ptt, &in_params,
&out_params);
if (rc != ECORE_SUCCESS)
return rc;
} else if (out_params.load_code ==
FW_MSG_CODE_DRV_LOAD_REFUSED_REQUIRES_FORCE) {
/* The previous load request set the mailbox blocking */
p_hwfn->mcp_info->block_mb_sending = false;
if (ecore_mcp_can_force_load(in_params.drv_role,
out_params.exist_drv_role)) {
DP_INFO(p_hwfn,
"A force load is required [existing: role %d, fw_ver 0x%08x, drv_ver 0x%08x_0x%08x]. Sending a force load request.\n",
out_params.exist_drv_role,
out_params.exist_fw_ver,
out_params.exist_drv_ver_0,
out_params.exist_drv_ver_1);
rc = ecore_get_mfw_force_cmd(p_hwfn,
ECORE_LOAD_REQ_FORCE_ALL,
&mfw_force_cmd);
if (rc != ECORE_SUCCESS)
return rc;
in_params.force_cmd = mfw_force_cmd;
OSAL_MEM_ZERO(&out_params, sizeof(out_params));
rc = __ecore_mcp_load_req(p_hwfn, p_ptt, &in_params,
&out_params);
if (rc != ECORE_SUCCESS)
return rc;
} else {
DP_NOTICE(p_hwfn, false,
"A force load is required [existing: role %d, fw_ver 0x%08x, drv_ver 0x%08x_0x%08x]. Avoiding to prevent disruption of active PFs.\n",
out_params.exist_drv_role,
out_params.exist_fw_ver,
out_params.exist_drv_ver_0,
out_params.exist_drv_ver_1);
ecore_mcp_cancel_load_req(p_hwfn, p_ptt);
return ECORE_BUSY;
}
}
/* Now handle the other types of responses.
* The "REFUSED_HSI_1" and "REFUSED_REQUIRES_FORCE" responses are not
* expected here after the additional revised load requests were sent.
*/
switch (out_params.load_code) {
case FW_MSG_CODE_DRV_LOAD_ENGINE:
case FW_MSG_CODE_DRV_LOAD_PORT:
case FW_MSG_CODE_DRV_LOAD_FUNCTION:
if (out_params.mfw_hsi_ver != ECORE_LOAD_REQ_HSI_VER_1 &&
out_params.drv_exists) {
/* The role and fw/driver version match, but the PF is
* already loaded and has not been unloaded gracefully.
* This is unexpected since a quasi-FLR request was
* previously sent as part of ecore_hw_prepare().
*/
DP_NOTICE(p_hwfn, false,
"PF is already loaded - shouldn't have got here since a quasi-FLR request was previously sent!\n");
return ECORE_INVAL;
}
break;
case FW_MSG_CODE_DRV_LOAD_REFUSED_PDA:
case FW_MSG_CODE_DRV_LOAD_REFUSED_DIAG:
case FW_MSG_CODE_DRV_LOAD_REFUSED_HSI:
case FW_MSG_CODE_DRV_LOAD_REFUSED_REJECT:
DP_NOTICE(p_hwfn, false,
"MFW refused a load request [resp 0x%08x]. Aborting.\n",
out_params.load_code);
return ECORE_BUSY;
default:
DP_NOTICE(p_hwfn, false,
"Unexpected response to load request [resp 0x%08x]. Aborting.\n",
out_params.load_code);
break;
}
p_params->load_code = out_params.load_code;
return ECORE_SUCCESS;
}

38
drivers/net/qede/base/ecore_mcp.h
View File

@ -136,32 +136,36 @@ enum _ecore_status_t ecore_mcp_handle_events(struct ecore_hwfn *p_hwfn,
* @param p_hwfn - hw function
* @param p_ptt - PTT required for register access
* @return enum _ecore_status_t - ECORE_SUCCESS - operation
* was successul.
* was successful.
*/
enum _ecore_status_t ecore_issue_pulse(struct ecore_hwfn *p_hwfn,
struct ecore_ptt *p_ptt);
enum ecore_drv_role {
ECORE_DRV_ROLE_OS,
ECORE_DRV_ROLE_KDUMP,
};
struct ecore_load_req_params {
enum ecore_drv_role drv_role;
u8 timeout_val; /* 1..254, '0' - default value, '255' - no timeout */
bool avoid_eng_reset;
u32 load_code;
};
/**
* @brief Sends a LOAD_REQ to the MFW, and in case operation
* succeed, returns whether this PF is the first on the
* chip/engine/port or function. This function should be
* called when driver is ready to accept MFW events after
* Storms initializations are done.
* @brief Sends a LOAD_REQ to the MFW, and in case the operation succeeds,
* returns whether this PF is the first on the engine/port or function.
*
* @param p_hwfn - hw function
* @param p_ptt - PTT required for register access
* @param p_load_code - The MCP response param containing one
* of the following:
* FW_MSG_CODE_DRV_LOAD_ENGINE
* FW_MSG_CODE_DRV_LOAD_PORT
* FW_MSG_CODE_DRV_LOAD_FUNCTION
* @return enum _ecore_status_t -
* ECORE_SUCCESS - Operation was successul.
* ECORE_BUSY - Operation failed
* @param p_hwfn
* @param p_pt
* @param p_params
*
* @return enum _ecore_status_t - ECORE_SUCCESS - Operation was successful.
*/
enum _ecore_status_t ecore_mcp_load_req(struct ecore_hwfn *p_hwfn,
struct ecore_ptt *p_ptt,
u32 *p_load_code);
struct ecore_load_req_params *p_params);
/**
* @brief Read the MFW mailbox into Current buffer.

54
drivers/net/qede/base/mcp_public.h
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@ -878,9 +878,11 @@ struct public_func {
#define DRV_ID_PDA_COMP_VER_MASK 0x0000ffff
#define DRV_ID_PDA_COMP_VER_SHIFT 0
#define LOAD_REQ_HSI_VERSION 2
#define DRV_ID_MCP_HSI_VER_MASK 0x00ff0000
#define DRV_ID_MCP_HSI_VER_SHIFT 16
#define DRV_ID_MCP_HSI_VER_CURRENT (1 << DRV_ID_MCP_HSI_VER_SHIFT)
#define DRV_ID_MCP_HSI_VER_CURRENT (LOAD_REQ_HSI_VERSION << \
DRV_ID_MCP_HSI_VER_SHIFT)
#define DRV_ID_DRV_TYPE_MASK 0x7f000000
#define DRV_ID_DRV_TYPE_SHIFT 24
@ -1040,8 +1042,47 @@ struct resource_info {
#define RESOURCE_ELEMENT_STRICT (1 << 0)
};
#define DRV_ROLE_NONE 0
#define DRV_ROLE_PREBOOT 1
#define DRV_ROLE_OS 2
#define DRV_ROLE_KDUMP 3
struct load_req_stc {
u32 drv_ver_0;
u32 drv_ver_1;
u32 fw_ver;
u32 misc0;
#define LOAD_REQ_ROLE_MASK 0x000000FF
#define LOAD_REQ_ROLE_SHIFT 0
#define LOAD_REQ_LOCK_TO_MASK 0x0000FF00
#define LOAD_REQ_LOCK_TO_SHIFT 0 /* @DPDK */
#define LOAD_REQ_LOCK_TO_DEFAULT 0
#define LOAD_REQ_LOCK_TO_NONE 255
#define LOAD_REQ_FORCE_MASK 0x000F0000
#define LOAD_REQ_FORCE_SHIFT 0 /* @DPDK */
#define LOAD_REQ_FORCE_NONE 0
#define LOAD_REQ_FORCE_PF 1
#define LOAD_REQ_FORCE_ALL 2
#define LOAD_REQ_FLAGS0_MASK 0x00F00000
#define LOAD_REQ_FLAGS0_SHIFT 0 /* @DPDK */
#define LOAD_REQ_FLAGS0_AVOID_RESET (0x1 << 0)
};
struct load_rsp_stc {
u32 drv_ver_0;
u32 drv_ver_1;
u32 fw_ver;
u32 misc0;
#define LOAD_RSP_ROLE_MASK 0x000000FF
#define LOAD_RSP_ROLE_SHIFT 0
#define LOAD_RSP_HSI_MASK 0x0000FF00
#define LOAD_RSP_HSI_SHIFT 8
#define LOAD_RSP_FLAGS0_MASK 0x000F0000
#define LOAD_RSP_FLAGS0_SHIFT 16
#define LOAD_RSP_FLAGS0_DRV_EXISTS (0x1 << 0)
};
union drv_union_data {
u32 ver_str[MCP_DRV_VER_STR_SIZE_DWORD]; /* LOAD_REQ */
struct mcp_mac wol_mac; /* UNLOAD_DONE */
/* This configuration should be set by the driver for the LINK_SET command. */
@ -1068,6 +1109,9 @@ union drv_union_data {
struct bist_nvm_image_att nvm_image_att;
struct mdump_config_stc mdump_config;
u32 dword;
struct load_req_stc load_req;
struct load_rsp_stc load_rsp;
/* ... */
};
@ -1077,6 +1121,7 @@ struct public_drv_mb {
#define DRV_MSG_CODE_LOAD_REQ 0x10000000
#define DRV_MSG_CODE_LOAD_DONE 0x11000000
#define DRV_MSG_CODE_INIT_HW 0x12000000
#define DRV_MSG_CODE_CANCEL_LOAD_REQ 0x13000000
#define DRV_MSG_CODE_UNLOAD_REQ 0x20000000
#define DRV_MSG_CODE_UNLOAD_DONE 0x21000000
#define DRV_MSG_CODE_INIT_PHY 0x22000000
@ -1448,8 +1493,11 @@ struct public_drv_mb {
#define FW_MSG_CODE_DRV_LOAD_PORT 0x10110000
#define FW_MSG_CODE_DRV_LOAD_FUNCTION 0x10120000
#define FW_MSG_CODE_DRV_LOAD_REFUSED_PDA 0x10200000
#define FW_MSG_CODE_DRV_LOAD_REFUSED_HSI 0x10210000
#define FW_MSG_CODE_DRV_LOAD_REFUSED_HSI_1 0x10210000
#define FW_MSG_CODE_DRV_LOAD_REFUSED_DIAG 0x10220000
#define FW_MSG_CODE_DRV_LOAD_REFUSED_HSI 0x10230000
#define FW_MSG_CODE_DRV_LOAD_REFUSED_REQUIRES_FORCE 0x10300000
#define FW_MSG_CODE_DRV_LOAD_REFUSED_REJECT 0x10310000
#define FW_MSG_CODE_DRV_LOAD_DONE 0x11100000
#define FW_MSG_CODE_DRV_UNLOAD_ENGINE 0x20110000
#define FW_MSG_CODE_DRV_UNLOAD_PORT 0x20120000

2
drivers/net/qede/qede_main.c
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@ -276,6 +276,8 @@ static int qed_slowpath_start(struct ecore_dev *edev,
hw_init_params.int_mode = ECORE_INT_MODE_MSIX;
hw_init_params.allow_npar_tx_switch = allow_npar_tx_switching;
hw_init_params.bin_fw_data = data;
hw_init_params.mfw_timeout_val = ECORE_LOAD_REQ_LOCK_TO_DEFAULT;
hw_init_params.avoid_eng_reset = false;
rc = ecore_hw_init(edev, &hw_init_params);
if (rc) {
DP_ERR(edev, "ecore_hw_init failed\n");