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qed: Revert error handling changes. 

This is new code and not bug fixes.

This reverts all changes added by merge commit
8fb18be93e

Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David S. Miller 2019-01-25 15:32:28 -08:00
parent 517952756e
commit abfd04f738
18 changed files with 203 additions and 744 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
drivers/net/ethernet/qlogic/qed/qed.h
View File

@ -554,6 +554,7 @@ struct qed_hwfn {
u8 dp_level;
char name[NAME_SIZE];
bool first_on_engine;
bool hw_init_done;
u8 num_funcs_on_engine;
@ -804,9 +805,6 @@ struct qed_dev {
u32 mcp_nvm_resp;
/* Recovery */
bool recov_in_prog;
/* Linux specific here */
struct qede_dev *edev;
struct pci_dev *pdev;
@ -946,7 +944,6 @@ void qed_link_update(struct qed_hwfn *hwfn, struct qed_ptt *ptt);
u32 qed_unzip_data(struct qed_hwfn *p_hwfn,
u32 input_len, u8 *input_buf,
u32 max_size, u8 *unzip_buf);
void qed_schedule_recovery_handler(struct qed_hwfn *p_hwfn);
void qed_get_protocol_stats(struct qed_dev *cdev,
enum qed_mcp_protocol_type type,
union qed_mcp_protocol_stats *stats);

158
drivers/net/ethernet/qlogic/qed/qed_dev.c
View File

@ -1959,6 +1959,11 @@ static int qed_hw_init_pf(struct qed_hwfn *p_hwfn,
(p_hwfn->hw_info.personality == QED_PCI_FCOE) ? 1 : 0);
STORE_RT_REG(p_hwfn, PRS_REG_SEARCH_ROCE_RT_OFFSET, 0);
/* Cleanup chip from previous driver if such remains exist */
rc = qed_final_cleanup(p_hwfn, p_ptt, rel_pf_id, false);
if (rc)
return rc;
/* Sanity check before the PF init sequence that uses DMAE */
rc = qed_dmae_sanity(p_hwfn, p_ptt, "pf_phase");
if (rc)
@ -2002,15 +2007,17 @@ static int qed_hw_init_pf(struct qed_hwfn *p_hwfn,
return rc;
}
int qed_pglueb_set_pfid_enable(struct qed_hwfn *p_hwfn,
struct qed_ptt *p_ptt, bool b_enable)
static int qed_change_pci_hwfn(struct qed_hwfn *p_hwfn,
struct qed_ptt *p_ptt,
u8 enable)
{
u32 delay_idx = 0, val, set_val = b_enable ? 1 : 0;
u32 delay_idx = 0, val, set_val = enable ? 1 : 0;
/* Configure the PF's internal FID_enable for master transactions */
qed_wr(p_hwfn, p_ptt, PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER, set_val);
/* Change PF in PXP */
qed_wr(p_hwfn, p_ptt,
PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER, set_val);
/* Wait until value is set - try for 1 second every 50us */
/* wait until value is set - try for 1 second every 50us */
for (delay_idx = 0; delay_idx < 20000; delay_idx++) {
val = qed_rd(p_hwfn, p_ptt,
PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER);
@ -2064,19 +2071,13 @@ static int qed_vf_start(struct qed_hwfn *p_hwfn,
return 0;
}
static void qed_pglueb_clear_err(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
{
qed_wr(p_hwfn, p_ptt, PGLUE_B_REG_WAS_ERROR_PF_31_0_CLR,
BIT(p_hwfn->abs_pf_id));
}
int qed_hw_init(struct qed_dev *cdev, struct qed_hw_init_params *p_params)
{
struct qed_load_req_params load_req_params;
u32 load_code, resp, param, drv_mb_param;
bool b_default_mtu = true;
struct qed_hwfn *p_hwfn;
int rc = 0, i;
int rc = 0, mfw_rc, i;
u16 ether_type;
if ((p_params->int_mode == QED_INT_MODE_MSI) && (cdev->num_hwfns > 1)) {
@ -2091,7 +2092,7 @@ int qed_hw_init(struct qed_dev *cdev, struct qed_hw_init_params *p_params)
}
for_each_hwfn(cdev, i) {
p_hwfn = &cdev->hwfns[i];
struct qed_hwfn *p_hwfn = &cdev->hwfns[i];
/* If management didn't provide a default, set one of our own */
if (!p_hwfn->hw_info.mtu) {
@ -2104,6 +2105,9 @@ int qed_hw_init(struct qed_dev *cdev, struct qed_hw_init_params *p_params)
continue;
}
/* Enable DMAE in PXP */
rc = qed_change_pci_hwfn(p_hwfn, p_hwfn->p_main_ptt, true);
rc = qed_calc_hw_mode(p_hwfn);
if (rc)
return rc;
@ -2140,43 +2144,12 @@ int qed_hw_init(struct qed_dev *cdev, struct qed_hw_init_params *p_params)
"Load request was sent. Load code: 0x%x\n",
load_code);
/* Only relevant for recovery:
* Clear the indication after LOAD_REQ is responded by the MFW.
*/
cdev->recov_in_prog = false;
qed_mcp_set_capabilities(p_hwfn, p_hwfn->p_main_ptt);
qed_reset_mb_shadow(p_hwfn, p_hwfn->p_main_ptt);
/* Clean up chip from previous driver if such remains exist.
* This is not needed when the PF is the first one on the
* engine, since afterwards we are going to init the FW.
*/
if (load_code != FW_MSG_CODE_DRV_LOAD_ENGINE) {
rc = qed_final_cleanup(p_hwfn, p_hwfn->p_main_ptt,
p_hwfn->rel_pf_id, false);
if (rc) {
DP_NOTICE(p_hwfn, "Final cleanup failed\n");
goto load_err;
}
}
/* Log and clear previous pglue_b errors if such exist */
qed_pglueb_rbc_attn_handler(p_hwfn, p_hwfn->p_main_ptt);
/* Enable the PF's internal FID_enable in the PXP */
rc = qed_pglueb_set_pfid_enable(p_hwfn, p_hwfn->p_main_ptt,
true);
if (rc)
goto load_err;
/* Clear the pglue_b was_error indication.
* In E4 it must be done after the BME and the internal
* FID_enable for the PF are set, since VDMs may cause the
* indication to be set again.
*/
qed_pglueb_clear_err(p_hwfn, p_hwfn->p_main_ptt);
p_hwfn->first_on_engine = (load_code ==
FW_MSG_CODE_DRV_LOAD_ENGINE);
switch (load_code) {
case FW_MSG_CODE_DRV_LOAD_ENGINE:
@ -2207,29 +2180,39 @@ int qed_hw_init(struct qed_dev *cdev, struct qed_hw_init_params *p_params)
break;
}
if (rc) {
if (rc)
DP_NOTICE(p_hwfn,
"init phase failed for loadcode 0x%x (rc %d)\n",
load_code, rc);
goto load_err;
}
load_code, rc);
rc = qed_mcp_load_done(p_hwfn, p_hwfn->p_main_ptt);
/* ACK mfw regardless of success or failure of initialization */
mfw_rc = qed_mcp_cmd(p_hwfn, p_hwfn->p_main_ptt,
DRV_MSG_CODE_LOAD_DONE,
0, &load_code, &param);
if (rc)
return rc;
if (mfw_rc) {
DP_NOTICE(p_hwfn, "Failed sending LOAD_DONE command\n");
return mfw_rc;
}
/* Check if there is a DID mismatch between nvm-cfg/efuse */
if (param & FW_MB_PARAM_LOAD_DONE_DID_EFUSE_ERROR)
DP_NOTICE(p_hwfn,
"warning: device configuration is not supported on this board type. The device may not function as expected.\n");
/* send DCBX attention request command */
DP_VERBOSE(p_hwfn,
QED_MSG_DCB,
"sending phony dcbx set command to trigger DCBx attention handling\n");
rc = qed_mcp_cmd(p_hwfn, p_hwfn->p_main_ptt,
DRV_MSG_CODE_SET_DCBX,
1 << DRV_MB_PARAM_DCBX_NOTIFY_SHIFT,
&resp, &param);
if (rc) {
mfw_rc = qed_mcp_cmd(p_hwfn, p_hwfn->p_main_ptt,
DRV_MSG_CODE_SET_DCBX,
1 << DRV_MB_PARAM_DCBX_NOTIFY_SHIFT,
&load_code, &param);
if (mfw_rc) {
DP_NOTICE(p_hwfn,
"Failed to send DCBX attention request\n");
return rc;
return mfw_rc;
}
p_hwfn->hw_init_done = true;
@ -2278,12 +2261,6 @@ int qed_hw_init(struct qed_dev *cdev, struct qed_hw_init_params *p_params)
}
return 0;
load_err:
/* The MFW load lock should be released also when initialization fails.
*/
qed_mcp_load_done(p_hwfn, p_hwfn->p_main_ptt);
return rc;
}
#define QED_HW_STOP_RETRY_LIMIT (10)
@ -2296,9 +2273,6 @@ static void qed_hw_timers_stop(struct qed_dev *cdev,
qed_wr(p_hwfn, p_ptt, TM_REG_PF_ENABLE_CONN, 0x0);
qed_wr(p_hwfn, p_ptt, TM_REG_PF_ENABLE_TASK, 0x0);
if (cdev->recov_in_prog)
return;
for (i = 0; i < QED_HW_STOP_RETRY_LIMIT; i++) {
if ((!qed_rd(p_hwfn, p_ptt,
TM_REG_PF_SCAN_ACTIVE_CONN)) &&
@ -2361,14 +2335,12 @@ int qed_hw_stop(struct qed_dev *cdev)
p_hwfn->hw_init_done = false;
/* Send unload command to MCP */
if (!cdev->recov_in_prog) {
rc = qed_mcp_unload_req(p_hwfn, p_ptt);
if (rc) {
DP_NOTICE(p_hwfn,
"Failed sending a UNLOAD_REQ command. rc = %d.\n",
rc);
rc2 = -EINVAL;
}
rc = qed_mcp_unload_req(p_hwfn, p_ptt);
if (rc) {
DP_NOTICE(p_hwfn,
"Failed sending a UNLOAD_REQ command. rc = %d.\n",
rc);
rc2 = -EINVAL;
}
qed_slowpath_irq_sync(p_hwfn);
@ -2410,31 +2382,27 @@ int qed_hw_stop(struct qed_dev *cdev)
qed_wr(p_hwfn, p_ptt, DORQ_REG_PF_DB_ENABLE, 0);
qed_wr(p_hwfn, p_ptt, QM_REG_PF_EN, 0);
if (!cdev->recov_in_prog) {
rc = qed_mcp_unload_done(p_hwfn, p_ptt);
if (rc) {
DP_NOTICE(p_hwfn,
"Failed sending a UNLOAD_DONE command. rc = %d.\n",
rc);
rc2 = -EINVAL;
}
qed_mcp_unload_done(p_hwfn, p_ptt);
if (rc) {
DP_NOTICE(p_hwfn,
"Failed sending a UNLOAD_DONE command. rc = %d.\n",
rc);
rc2 = -EINVAL;
}
}
if (IS_PF(cdev) && !cdev->recov_in_prog) {
if (IS_PF(cdev)) {
p_hwfn = QED_LEADING_HWFN(cdev);
p_ptt = QED_LEADING_HWFN(cdev)->p_main_ptt;
/* Clear the PF's internal FID_enable in the PXP.
* In CMT this should only be done for first hw-function, and
* only after all transactions have stopped for all active
* hw-functions.
/* Disable DMAE in PXP - in CMT, this should only be done for
* first hw-function, and only after all transactions have
* stopped for all active hw-functions.
*/
rc = qed_pglueb_set_pfid_enable(p_hwfn, p_ptt, false);
rc = qed_change_pci_hwfn(p_hwfn, p_ptt, false);
if (rc) {
DP_NOTICE(p_hwfn,
"qed_pglueb_set_pfid_enable() failed. rc = %d.\n",
rc);
"qed_change_pci_hwfn failed. rc = %d.\n", rc);
rc2 = -EINVAL;
}
}
@ -2534,8 +2502,9 @@ static void qed_hw_hwfn_prepare(struct qed_hwfn *p_hwfn)
PGLUE_B_REG_PGL_ADDR_94_F0_BB, 0);
}
/* Clean previous pglue_b errors if such exist */
qed_pglueb_clear_err(p_hwfn, p_hwfn->p_main_ptt);
/* Clean Previous errors if such exist */
qed_wr(p_hwfn, p_hwfn->p_main_ptt,
PGLUE_B_REG_WAS_ERROR_PF_31_0_CLR, 1 << p_hwfn->abs_pf_id);
/* enable internal target-read */
qed_wr(p_hwfn, p_hwfn->p_main_ptt,
@ -3471,7 +3440,6 @@ static int qed_hw_prepare_single(struct qed_hwfn *p_hwfn,
void __iomem *p_doorbells,
enum qed_pci_personality personality)
{
struct qed_dev *cdev = p_hwfn->cdev;
int rc = 0;
/* Split PCI bars evenly between hwfns */
@ -3524,7 +3492,7 @@ static int qed_hw_prepare_single(struct qed_hwfn *p_hwfn,
/* Sending a mailbox to the MFW should be done after qed_get_hw_info()
* is called as it sets the ports number in an engine.
*/
if (IS_LEAD_HWFN(p_hwfn) && !cdev->recov_in_prog) {
if (IS_LEAD_HWFN(p_hwfn)) {
rc = qed_mcp_initiate_pf_flr(p_hwfn, p_hwfn->p_main_ptt);
if (rc)
DP_NOTICE(p_hwfn, "Failed to initiate PF FLR\n");

12
drivers/net/ethernet/qlogic/qed/qed_dev_api.h
View File

@ -472,18 +472,6 @@ int qed_get_queue_coalesce(struct qed_hwfn *p_hwfn, u16 *coal, void *handle);
int
qed_set_queue_coalesce(u16 rx_coal, u16 tx_coal, void *p_handle);
/**
* @brief qed_pglueb_set_pfid_enable - Enable or disable PCI BUS MASTER
*
* @param p_hwfn
* @param p_ptt
* @param b_enable - true/false
*
* @return int
*/
int qed_pglueb_set_pfid_enable(struct qed_hwfn *p_hwfn,
struct qed_ptt *p_ptt, bool b_enable);
/**
* @brief db_recovery_add - add doorbell information to the doorbell
* recovery mechanism.

2
drivers/net/ethernet/qlogic/qed/qed_hsi.h
View File

@ -12827,7 +12827,7 @@ enum MFW_DRV_MSG_TYPE {
MFW_DRV_MSG_LLDP_DATA_UPDATED,
MFW_DRV_MSG_DCBX_REMOTE_MIB_UPDATED,
MFW_DRV_MSG_DCBX_OPERATIONAL_MIB_UPDATED,
MFW_DRV_MSG_ERROR_RECOVERY,
MFW_DRV_MSG_RESERVED4,
MFW_DRV_MSG_BW_UPDATE,
MFW_DRV_MSG_S_TAG_UPDATE,
MFW_DRV_MSG_GET_LAN_STATS,

11
drivers/net/ethernet/qlogic/qed/qed_hw.c
View File

@ -703,17 +703,6 @@ static int qed_dmae_execute_command(struct qed_hwfn *p_hwfn,
int qed_status = 0;
u32 offset = 0;
if (p_hwfn->cdev->recov_in_prog) {
DP_VERBOSE(p_hwfn,
NETIF_MSG_HW,
"Recovery is in progress. Avoid DMAE transaction [{src: addr 0x%llx, type %d}, {dst: addr 0x%llx, type %d}, size %d].\n",
src_addr, src_type, dst_addr, dst_type,
size_in_dwords);
/* Let the flow complete w/o any error handling */
return 0;
}
qed_dmae_opcode(p_hwfn,
(src_type == QED_DMAE_ADDRESS_GRC),
(dst_type == QED_DMAE_ADDRESS_GRC),

126
drivers/net/ethernet/qlogic/qed/qed_int.c
View File

@ -255,114 +255,112 @@ out:
#define PGLUE_ATTENTION_ICPL_VALID (1 << 23)
#define PGLUE_ATTENTION_ZLR_VALID (1 << 25)
#define PGLUE_ATTENTION_ILT_VALID (1 << 23)
int qed_pglueb_rbc_attn_handler(struct qed_hwfn *p_hwfn,
struct qed_ptt *p_ptt)
static int qed_pglub_rbc_attn_cb(struct qed_hwfn *p_hwfn)
{
u32 tmp;
tmp = qed_rd(p_hwfn, p_ptt, PGLUE_B_REG_TX_ERR_WR_DETAILS2);
tmp = qed_rd(p_hwfn, p_hwfn->p_dpc_ptt,
PGLUE_B_REG_TX_ERR_WR_DETAILS2);
if (tmp & PGLUE_ATTENTION_VALID) {
u32 addr_lo, addr_hi, details;
addr_lo = qed_rd(p_hwfn, p_ptt,
addr_lo = qed_rd(p_hwfn, p_hwfn->p_dpc_ptt,
PGLUE_B_REG_TX_ERR_WR_ADD_31_0);
addr_hi = qed_rd(p_hwfn, p_ptt,
addr_hi = qed_rd(p_hwfn, p_hwfn->p_dpc_ptt,
PGLUE_B_REG_TX_ERR_WR_ADD_63_32);
details = qed_rd(p_hwfn, p_ptt,
details = qed_rd(p_hwfn, p_hwfn->p_dpc_ptt,
PGLUE_B_REG_TX_ERR_WR_DETAILS);
DP_NOTICE(p_hwfn,
"Illegal write by chip to [%08x:%08x] blocked.\n"
"Details: %08x [PFID %02x, VFID %02x, VF_VALID %02x]\n"
"Details2 %08x [Was_error %02x BME deassert %02x FID_enable deassert %02x]\n",
addr_hi, addr_lo, details,
(u8)GET_FIELD(details, PGLUE_ATTENTION_DETAILS_PFID),
(u8)GET_FIELD(details, PGLUE_ATTENTION_DETAILS_VFID),
GET_FIELD(details,
PGLUE_ATTENTION_DETAILS_VF_VALID) ? 1 : 0,
tmp,
GET_FIELD(tmp,
PGLUE_ATTENTION_DETAILS2_WAS_ERR) ? 1 : 0,
GET_FIELD(tmp,
PGLUE_ATTENTION_DETAILS2_BME) ? 1 : 0,
GET_FIELD(tmp,
PGLUE_ATTENTION_DETAILS2_FID_EN) ? 1 : 0);
DP_INFO(p_hwfn,
"Illegal write by chip to [%08x:%08x] blocked.\n"
"Details: %08x [PFID %02x, VFID %02x, VF_VALID %02x]\n"
"Details2 %08x [Was_error %02x BME deassert %02x FID_enable deassert %02x]\n",
addr_hi, addr_lo, details,
(u8)GET_FIELD(details, PGLUE_ATTENTION_DETAILS_PFID),
(u8)GET_FIELD(details, PGLUE_ATTENTION_DETAILS_VFID),
GET_FIELD(details,
PGLUE_ATTENTION_DETAILS_VF_VALID) ? 1 : 0,
tmp,
GET_FIELD(tmp,
PGLUE_ATTENTION_DETAILS2_WAS_ERR) ? 1 : 0,
GET_FIELD(tmp,
PGLUE_ATTENTION_DETAILS2_BME) ? 1 : 0,
GET_FIELD(tmp,
PGLUE_ATTENTION_DETAILS2_FID_EN) ? 1 : 0);
}
tmp = qed_rd(p_hwfn, p_ptt, PGLUE_B_REG_TX_ERR_RD_DETAILS2);
tmp = qed_rd(p_hwfn, p_hwfn->p_dpc_ptt,
PGLUE_B_REG_TX_ERR_RD_DETAILS2);
if (tmp & PGLUE_ATTENTION_RD_VALID) {
u32 addr_lo, addr_hi, details;
addr_lo = qed_rd(p_hwfn, p_ptt,
addr_lo = qed_rd(p_hwfn, p_hwfn->p_dpc_ptt,
PGLUE_B_REG_TX_ERR_RD_ADD_31_0);
addr_hi = qed_rd(p_hwfn, p_ptt,
addr_hi = qed_rd(p_hwfn, p_hwfn->p_dpc_ptt,
PGLUE_B_REG_TX_ERR_RD_ADD_63_32);
details = qed_rd(p_hwfn, p_ptt,
details = qed_rd(p_hwfn, p_hwfn->p_dpc_ptt,
PGLUE_B_REG_TX_ERR_RD_DETAILS);
DP_NOTICE(p_hwfn,
"Illegal read by chip from [%08x:%08x] blocked.\n"
"Details: %08x [PFID %02x, VFID %02x, VF_VALID %02x]\n"
"Details2 %08x [Was_error %02x BME deassert %02x FID_enable deassert %02x]\n",
addr_hi, addr_lo, details,
(u8)GET_FIELD(details, PGLUE_ATTENTION_DETAILS_PFID),
(u8)GET_FIELD(details, PGLUE_ATTENTION_DETAILS_VFID),
GET_FIELD(details,
PGLUE_ATTENTION_DETAILS_VF_VALID) ? 1 : 0,
tmp,
GET_FIELD(tmp,
PGLUE_ATTENTION_DETAILS2_WAS_ERR) ? 1 : 0,
GET_FIELD(tmp,
PGLUE_ATTENTION_DETAILS2_BME) ? 1 : 0,
GET_FIELD(tmp,
PGLUE_ATTENTION_DETAILS2_FID_EN) ? 1 : 0);
DP_INFO(p_hwfn,
"Illegal read by chip from [%08x:%08x] blocked.\n"
" Details: %08x [PFID %02x, VFID %02x, VF_VALID %02x]\n"
" Details2 %08x [Was_error %02x BME deassert %02x FID_enable deassert %02x]\n",
addr_hi, addr_lo, details,
(u8)GET_FIELD(details, PGLUE_ATTENTION_DETAILS_PFID),
(u8)GET_FIELD(details, PGLUE_ATTENTION_DETAILS_VFID),
GET_FIELD(details,
PGLUE_ATTENTION_DETAILS_VF_VALID) ? 1 : 0,
tmp,
GET_FIELD(tmp, PGLUE_ATTENTION_DETAILS2_WAS_ERR) ? 1
: 0,
GET_FIELD(tmp, PGLUE_ATTENTION_DETAILS2_BME) ? 1 : 0,
GET_FIELD(tmp, PGLUE_ATTENTION_DETAILS2_FID_EN) ? 1
: 0);
}
tmp = qed_rd(p_hwfn, p_ptt, PGLUE_B_REG_TX_ERR_WR_DETAILS_ICPL);
tmp = qed_rd(p_hwfn, p_hwfn->p_dpc_ptt,
PGLUE_B_REG_TX_ERR_WR_DETAILS_ICPL);
if (tmp & PGLUE_ATTENTION_ICPL_VALID)
DP_NOTICE(p_hwfn, "ICPL error - %08x\n", tmp);
DP_INFO(p_hwfn, "ICPL error - %08x\n", tmp);
tmp = qed_rd(p_hwfn, p_ptt, PGLUE_B_REG_MASTER_ZLR_ERR_DETAILS);
tmp = qed_rd(p_hwfn, p_hwfn->p_dpc_ptt,
PGLUE_B_REG_MASTER_ZLR_ERR_DETAILS);
if (tmp & PGLUE_ATTENTION_ZLR_VALID) {
u32 addr_hi, addr_lo;
addr_lo = qed_rd(p_hwfn, p_ptt,
addr_lo = qed_rd(p_hwfn, p_hwfn->p_dpc_ptt,
PGLUE_B_REG_MASTER_ZLR_ERR_ADD_31_0);
addr_hi = qed_rd(p_hwfn, p_ptt,
addr_hi = qed_rd(p_hwfn, p_hwfn->p_dpc_ptt,
PGLUE_B_REG_MASTER_ZLR_ERR_ADD_63_32);
DP_NOTICE(p_hwfn, "ZLR error - %08x [Address %08x:%08x]\n",
tmp, addr_hi, addr_lo);
DP_INFO(p_hwfn, "ZLR eror - %08x [Address %08x:%08x]\n",
tmp, addr_hi, addr_lo);
}
tmp = qed_rd(p_hwfn, p_ptt, PGLUE_B_REG_VF_ILT_ERR_DETAILS2);
tmp = qed_rd(p_hwfn, p_hwfn->p_dpc_ptt,
PGLUE_B_REG_VF_ILT_ERR_DETAILS2);
if (tmp & PGLUE_ATTENTION_ILT_VALID) {
u32 addr_hi, addr_lo, details;
addr_lo = qed_rd(p_hwfn, p_ptt,
addr_lo = qed_rd(p_hwfn, p_hwfn->p_dpc_ptt,
PGLUE_B_REG_VF_ILT_ERR_ADD_31_0);
addr_hi = qed_rd(p_hwfn, p_ptt,
addr_hi = qed_rd(p_hwfn, p_hwfn->p_dpc_ptt,
PGLUE_B_REG_VF_ILT_ERR_ADD_63_32);
details = qed_rd(p_hwfn, p_ptt,
details = qed_rd(p_hwfn, p_hwfn->p_dpc_ptt,
PGLUE_B_REG_VF_ILT_ERR_DETAILS);
DP_NOTICE(p_hwfn,
"ILT error - Details %08x Details2 %08x [Address %08x:%08x]\n",
details, tmp, addr_hi, addr_lo);
DP_INFO(p_hwfn,
"ILT error - Details %08x Details2 %08x [Address %08x:%08x]\n",
details, tmp, addr_hi, addr_lo);
}
/* Clear the indications */
qed_wr(p_hwfn, p_ptt, PGLUE_B_REG_LATCHED_ERRORS_CLR, BIT(2));
qed_wr(p_hwfn, p_hwfn->p_dpc_ptt,
PGLUE_B_REG_LATCHED_ERRORS_CLR, (1 << 2));
return 0;
}
static int qed_pglueb_rbc_attn_cb(struct qed_hwfn *p_hwfn)
{
return qed_pglueb_rbc_attn_handler(p_hwfn, p_hwfn->p_dpc_ptt);
}
#define QED_DORQ_ATTENTION_REASON_MASK (0xfffff)
#define QED_DORQ_ATTENTION_OPAQUE_MASK (0xffff)
#define QED_DORQ_ATTENTION_OPAQUE_SHIFT (0x0)
@ -542,7 +540,7 @@ static struct aeu_invert_reg aeu_descs[NUM_ATTN_REGS] = {
{"PGLUE misc_flr", ATTENTION_SINGLE,
NULL, MAX_BLOCK_ID},
{"PGLUE B RBC", ATTENTION_PAR_INT,
qed_pglueb_rbc_attn_cb, BLOCK_PGLUE_B},
qed_pglub_rbc_attn_cb, BLOCK_PGLUE_B},
{"PGLUE misc_mctp", ATTENTION_SINGLE,
NULL, MAX_BLOCK_ID},
{"Flash event", ATTENTION_SINGLE, NULL, MAX_BLOCK_ID},

3
drivers/net/ethernet/qlogic/qed/qed_int.h
View File

@ -431,7 +431,4 @@ int qed_int_set_timer_res(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt,
#define QED_MAPPING_MEMORY_SIZE(dev) (NUM_OF_SBS(dev))
int qed_pglueb_rbc_attn_handler(struct qed_hwfn *p_hwfn,
struct qed_ptt *p_ptt);
#endif

30
drivers/net/ethernet/qlogic/qed/qed_main.c
View File

@ -359,8 +359,6 @@ static struct qed_dev *qed_probe(struct pci_dev *pdev,
qed_init_dp(cdev, params->dp_module, params->dp_level);
cdev->recov_in_prog = params->recov_in_prog;
rc = qed_init_pci(cdev, pdev);
if (rc) {
DP_ERR(cdev, "init pci failed\n");
@ -2205,15 +2203,6 @@ static int qed_nvm_get_image(struct qed_dev *cdev, enum qed_nvm_images type,
return qed_mcp_get_nvm_image(hwfn, type, buf, len);
}
void qed_schedule_recovery_handler(struct qed_hwfn *p_hwfn)
{
struct qed_common_cb_ops *ops = p_hwfn->cdev->protocol_ops.common;
void *cookie = p_hwfn->cdev->ops_cookie;
if (ops && ops->schedule_recovery_handler)
ops->schedule_recovery_handler(cookie);
}
static int qed_set_coalesce(struct qed_dev *cdev, u16 rx_coal, u16 tx_coal,
void *handle)
{
@ -2237,23 +2226,6 @@ static int qed_set_led(struct qed_dev *cdev, enum qed_led_mode mode)
return status;
}
static int qed_recovery_process(struct qed_dev *cdev)
{
struct qed_hwfn *p_hwfn = QED_LEADING_HWFN(cdev);
struct qed_ptt *p_ptt;
int rc = 0;
p_ptt = qed_ptt_acquire(p_hwfn);
if (!p_ptt)
return -EAGAIN;
rc = qed_start_recovery_process(p_hwfn, p_ptt);
qed_ptt_release(p_hwfn, p_ptt);
return rc;
}
static int qed_update_wol(struct qed_dev *cdev, bool enabled)
{
struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev);
@ -2408,8 +2380,6 @@ const struct qed_common_ops qed_common_ops_pass = {
.nvm_get_image = &qed_nvm_get_image,
.set_coalesce = &qed_set_coalesce,
.set_led = &qed_set_led,
.recovery_process = &qed_recovery_process,
.recovery_prolog = &qed_recovery_prolog,
.update_drv_state = &qed_update_drv_state,
.update_mac = &qed_update_mac,
.update_mtu = &qed_update_mtu,

115
drivers/net/ethernet/qlogic/qed/qed_mcp.c
View File

@ -1070,27 +1070,6 @@ int qed_mcp_load_req(struct qed_hwfn *p_hwfn,
return 0;
}
int qed_mcp_load_done(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_LOAD_DONE, 0, &resp,
&param);
if (rc) {
DP_NOTICE(p_hwfn,
"Failed to send a LOAD_DONE command, rc = %d\n", rc);
return rc;
}
/* Check if there is a DID mismatch between nvm-cfg/efuse */
if (param & FW_MB_PARAM_LOAD_DONE_DID_EFUSE_ERROR)
DP_NOTICE(p_hwfn,
"warning: device configuration is not supported on this board type. The device may not function as expected.\n");
return 0;
}
int qed_mcp_unload_req(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
{
struct qed_mcp_mb_params mb_params;
@ -1549,60 +1528,6 @@ int qed_mcp_set_link(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt, bool b_up)
return 0;
}
u32 qed_get_process_kill_counter(struct qed_hwfn *p_hwfn,
struct qed_ptt *p_ptt)
{
u32 path_offsize_addr, path_offsize, path_addr, proc_kill_cnt;
if (IS_VF(p_hwfn->cdev))
return -EINVAL;
path_offsize_addr = SECTION_OFFSIZE_ADDR(p_hwfn->mcp_info->public_base,
PUBLIC_PATH);
path_offsize = qed_rd(p_hwfn, p_ptt, path_offsize_addr);
path_addr = SECTION_ADDR(path_offsize, QED_PATH_ID(p_hwfn));
proc_kill_cnt = qed_rd(p_hwfn, p_ptt,
path_addr +
offsetof(struct public_path, process_kill)) &
PROCESS_KILL_COUNTER_MASK;
return proc_kill_cnt;
}
static void qed_mcp_handle_process_kill(struct qed_hwfn *p_hwfn,
struct qed_ptt *p_ptt)
{
struct qed_dev *cdev = p_hwfn->cdev;
u32 proc_kill_cnt;
/* Prevent possible attentions/interrupts during the recovery handling
* and till its load phase, during which they will be re-enabled.
*/
qed_int_igu_disable_int(p_hwfn, p_ptt);
DP_NOTICE(p_hwfn, "Received a process kill indication\n");
/* The following operations should be done once, and thus in CMT mode
* are carried out by only the first HW function.
*/
if (p_hwfn != QED_LEADING_HWFN(cdev))
return;
if (cdev->recov_in_prog) {
DP_NOTICE(p_hwfn,
"Ignoring the indication since a recovery process is already in progress\n");
return;
}
cdev->recov_in_prog = true;
proc_kill_cnt = qed_get_process_kill_counter(p_hwfn, p_ptt);
DP_NOTICE(p_hwfn, "Process kill counter: %d\n", proc_kill_cnt);
qed_schedule_recovery_handler(p_hwfn);
}
static void qed_mcp_send_protocol_stats(struct qed_hwfn *p_hwfn,
struct qed_ptt *p_ptt,
enum MFW_DRV_MSG_TYPE type)
@ -1833,9 +1758,6 @@ int qed_mcp_handle_events(struct qed_hwfn *p_hwfn,
case MFW_DRV_MSG_TRANSCEIVER_STATE_CHANGE:
qed_mcp_handle_transceiver_change(p_hwfn, p_ptt);
break;
case MFW_DRV_MSG_ERROR_RECOVERY:
qed_mcp_handle_process_kill(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:
@ -2381,43 +2303,6 @@ int qed_mcp_get_flash_size(struct qed_hwfn *p_hwfn,
return 0;
}
int qed_start_recovery_process(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
{
struct qed_dev *cdev = p_hwfn->cdev;
if (cdev->recov_in_prog) {
DP_NOTICE(p_hwfn,
"Avoid triggering a recovery since such a process is already in progress\n");
return -EAGAIN;
}
DP_NOTICE(p_hwfn, "Triggering a recovery process\n");
qed_wr(p_hwfn, p_ptt, MISC_REG_AEU_GENERAL_ATTN_35, 0x1);
return 0;
}
#define QED_RECOVERY_PROLOG_SLEEP_MS 100
int qed_recovery_prolog(struct qed_dev *cdev)
{
struct qed_hwfn *p_hwfn = QED_LEADING_HWFN(cdev);
struct qed_ptt *p_ptt = p_hwfn->p_main_ptt;
int rc;
/* Allow ongoing PCIe transactions to complete */
msleep(QED_RECOVERY_PROLOG_SLEEP_MS);
/* Clear the PF's internal FID_enable in the PXP */
rc = qed_pglueb_set_pfid_enable(p_hwfn, p_ptt, false);
if (rc)
DP_NOTICE(p_hwfn,
"qed_pglueb_set_pfid_enable() failed. rc = %d.\n",
rc);
return rc;
}
static int
qed_mcp_config_vf_msix_bb(struct qed_hwfn *p_hwfn,
struct qed_ptt *p_ptt, u8 vf_id, u8 num)

42
drivers/net/ethernet/qlogic/qed/qed_mcp.h
View File

@ -440,38 +440,6 @@ qed_mcp_send_drv_version(struct qed_hwfn *p_hwfn,
struct qed_ptt *p_ptt,
struct qed_mcp_drv_version *p_ver);
/**
* @brief Read the MFW process kill counter
*
* @param p_hwfn
* @param p_ptt
*
* @return u32
*/
u32 qed_get_process_kill_counter(struct qed_hwfn *p_hwfn,
struct qed_ptt *p_ptt);
/**
* @brief Trigger a recovery process
*
* @param p_hwfn
* @param p_ptt
*
* @return int
*/
int qed_start_recovery_process(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt);
/**
* @brief A recovery handler must call this function as its first step.
* It is assumed that the handler is not run from an interrupt context.
*
* @param cdev
* @param p_ptt
*
* @return int
*/
int qed_recovery_prolog(struct qed_dev *cdev);
/**
* @brief Notify MFW about the change in base device properties
*
@ -832,16 +800,6 @@ int qed_mcp_load_req(struct qed_hwfn *p_hwfn,
struct qed_ptt *p_ptt,
struct qed_load_req_params *p_params);
/**
* @brief Sends a LOAD_DONE message to the MFW
*
* @param p_hwfn
* @param p_ptt
*
* @return int - 0 - Operation was successful.
*/
int qed_mcp_load_done(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt);
/**
* @brief Sends a UNLOAD_REQ message to the MFW
*

2
drivers/net/ethernet/qlogic/qed/qed_reg_addr.h
View File

@ -518,8 +518,6 @@
0x180824UL
#define MISC_REG_AEU_GENERAL_ATTN_0 \
0x008400UL
#define MISC_REG_AEU_GENERAL_ATTN_35 \
0x00848cUL
#define CAU_REG_SB_ADDR_MEMORY \
0x1c8000UL
#define CAU_REG_SB_VAR_MEMORY \

22
drivers/net/ethernet/qlogic/qed/qed_spq.c
View File

@ -790,17 +790,6 @@ static int qed_spq_pend_post(struct qed_hwfn *p_hwfn)
SPQ_HIGH_PRI_RESERVE_DEFAULT);
}
static void qed_spq_recov_set_ret_code(struct qed_spq_entry *p_ent,
u8 *fw_return_code)
{
if (!fw_return_code)
return;
if (p_ent->elem.hdr.protocol_id == PROTOCOLID_ROCE ||
p_ent->elem.hdr.protocol_id == PROTOCOLID_IWARP)
*fw_return_code = RDMA_RETURN_OK;
}
/* Avoid overriding of SPQ entries when getting out-of-order completions, by
* marking the completions in a bitmap and increasing the chain consumer only
* for the first successive completed entries.
@ -836,17 +825,6 @@ int qed_spq_post(struct qed_hwfn *p_hwfn,
return -EINVAL;
}
if (p_hwfn->cdev->recov_in_prog) {
DP_VERBOSE(p_hwfn,
QED_MSG_SPQ,
"Recovery is in progress. Skip spq post [cmd %02x protocol %02x]\n",
p_ent->elem.hdr.cmd_id, p_ent->elem.hdr.protocol_id);
/* Let the flow complete w/o any error handling */
qed_spq_recov_set_ret_code(p_ent, fw_return_code);
return 0;
}
/* Complete the entry */
rc = qed_spq_fill_entry(p_hwfn, p_ent);

9
drivers/net/ethernet/qlogic/qed/qed_sriov.c
View File

@ -4447,13 +4447,6 @@ int qed_sriov_disable(struct qed_dev *cdev, bool pci_enabled)
if (cdev->p_iov_info && cdev->p_iov_info->num_vfs && pci_enabled)
pci_disable_sriov(cdev->pdev);
if (cdev->recov_in_prog) {
DP_VERBOSE(cdev,
QED_MSG_IOV,
"Skip SRIOV disable operations in the device since a recovery is in progress\n");
goto out;
}
for_each_hwfn(cdev, i) {
struct qed_hwfn *hwfn = &cdev->hwfns[i];
struct qed_ptt *ptt = qed_ptt_acquire(hwfn);
@ -4493,7 +4486,7 @@ int qed_sriov_disable(struct qed_dev *cdev, bool pci_enabled)
qed_ptt_release(hwfn, ptt);
}
out:
qed_iov_set_vfs_to_disable(cdev, false);
return 0;

3
drivers/net/ethernet/qlogic/qede/qede.h
View File

@ -162,7 +162,6 @@ struct qede_rdma_dev {
struct list_head entry;
struct list_head rdma_event_list;
struct workqueue_struct *rdma_wq;
bool exp_recovery;
};
struct qede_ptp;
@ -265,7 +264,6 @@ struct qede_dev {
enum QEDE_STATE {
QEDE_STATE_CLOSED,
QEDE_STATE_OPEN,
QEDE_STATE_RECOVERY,
};
#define HILO_U64(hi, lo) ((((u64)(hi)) << 32) + (lo))
@ -464,7 +462,6 @@ struct qede_fastpath {
#define QEDE_CSUM_UNNECESSARY BIT(1)
#define QEDE_TUNN_CSUM_UNNECESSARY BIT(2)
#define QEDE_SP_RECOVERY 0
#define QEDE_SP_RX_MODE 1
#ifdef CONFIG_RFS_ACCEL

302
drivers/net/ethernet/qlogic/qede/qede_main.c
View File

@ -133,12 +133,23 @@ static int qede_probe(struct pci_dev *pdev, const struct pci_device_id *id);
static void qede_remove(struct pci_dev *pdev);
static void qede_shutdown(struct pci_dev *pdev);
static void qede_link_update(void *dev, struct qed_link_output *link);
static void qede_schedule_recovery_handler(void *dev);
static void qede_recovery_handler(struct qede_dev *edev);
static void qede_get_eth_tlv_data(void *edev, void *data);
static void qede_get_generic_tlv_data(void *edev,
struct qed_generic_tlvs *data);
/* The qede lock is used to protect driver state change and driver flows that
* are not reentrant.
*/
void __qede_lock(struct qede_dev *edev)
{
mutex_lock(&edev->qede_lock);
}
void __qede_unlock(struct qede_dev *edev)
{
mutex_unlock(&edev->qede_lock);
}
#ifdef CONFIG_QED_SRIOV
static int qede_set_vf_vlan(struct net_device *ndev, int vf, u16 vlan, u8 qos,
__be16 vlan_proto)
@ -220,7 +231,6 @@ static struct qed_eth_cb_ops qede_ll_ops = {
.arfs_filter_op = qede_arfs_filter_op,
#endif
.link_update = qede_link_update,
.schedule_recovery_handler = qede_schedule_recovery_handler,
.get_generic_tlv_data = qede_get_generic_tlv_data,
.get_protocol_tlv_data = qede_get_eth_tlv_data,
},
@ -940,57 +950,11 @@ err:
return -ENOMEM;
}
/* The qede lock is used to protect driver state change and driver flows that
* are not reentrant.
*/
void __qede_lock(struct qede_dev *edev)
{
mutex_lock(&edev->qede_lock);
}
void __qede_unlock(struct qede_dev *edev)
{
mutex_unlock(&edev->qede_lock);
}
/* This version of the lock should be used when acquiring the RTNL lock is also
* needed in addition to the internal qede lock.
*/
void qede_lock(struct qede_dev *edev)
{
rtnl_lock();
__qede_lock(edev);
}
void qede_unlock(struct qede_dev *edev)
{
__qede_unlock(edev);
rtnl_unlock();
}
static void qede_sp_task(struct work_struct *work)
{
struct qede_dev *edev = container_of(work, struct qede_dev,
sp_task.work);
/* The locking scheme depends on the specific flag:
* In case of QEDE_SP_RECOVERY, acquiring the RTNL lock is required to
* ensure that ongoing flows are ended and new ones are not started.
* In other cases - only the internal qede lock should be acquired.
*/
if (test_and_clear_bit(QEDE_SP_RECOVERY, &edev->sp_flags)) {
#ifdef CONFIG_QED_SRIOV
/* SRIOV must be disabled outside the lock to avoid a deadlock.
* The recovery of the active VFs is currently not supported.
*/
qede_sriov_configure(edev->pdev, 0);
#endif
qede_lock(edev);
qede_recovery_handler(edev);
qede_unlock(edev);
}
__qede_lock(edev);
if (test_and_clear_bit(QEDE_SP_RX_MODE, &edev->sp_flags))
@ -1067,13 +1031,8 @@ static void qede_log_probe(struct qede_dev *edev)
enum qede_probe_mode {
QEDE_PROBE_NORMAL,
QEDE_PROBE_RECOVERY,
};
#define QEDE_RDMA_PROBE_MODE(mode) \
((mode) == QEDE_PROBE_NORMAL ? QEDE_RDMA_PROBE_NORMAL \
: QEDE_RDMA_PROBE_RECOVERY)
static int __qede_probe(struct pci_dev *pdev, u32 dp_module, u8 dp_level,
bool is_vf, enum qede_probe_mode mode)
{
@ -1092,7 +1051,6 @@ static int __qede_probe(struct pci_dev *pdev, u32 dp_module, u8 dp_level,
probe_params.dp_module = dp_module;
probe_params.dp_level = dp_level;
probe_params.is_vf = is_vf;
probe_params.recov_in_prog = (mode == QEDE_PROBE_RECOVERY);
cdev = qed_ops->common->probe(pdev, &probe_params);
if (!cdev) {
rc = -ENODEV;
@ -1120,20 +1078,11 @@ static int __qede_probe(struct pci_dev *pdev, u32 dp_module, u8 dp_level,
if (rc)
goto err2;
if (mode != QEDE_PROBE_RECOVERY) {
edev = qede_alloc_etherdev(cdev, pdev, &dev_info, dp_module,
dp_level);
if (!edev) {
rc = -ENOMEM;
goto err2;
}
} else {
struct net_device *ndev = pci_get_drvdata(pdev);
edev = netdev_priv(ndev);
edev->cdev = cdev;
memset(&edev->stats, 0, sizeof(edev->stats));
memcpy(&edev->dev_info, &dev_info, sizeof(dev_info));
edev = qede_alloc_etherdev(cdev, pdev, &dev_info, dp_module,
dp_level);
if (!edev) {
rc = -ENOMEM;
goto err2;
}
if (is_vf)
@ -1141,31 +1090,28 @@ static int __qede_probe(struct pci_dev *pdev, u32 dp_module, u8 dp_level,
qede_init_ndev(edev);
rc = qede_rdma_dev_add(edev, QEDE_RDMA_PROBE_MODE(mode));
rc = qede_rdma_dev_add(edev);
if (rc)
goto err3;
if (mode != QEDE_PROBE_RECOVERY) {
/* Prepare the lock prior to the registration of the netdev,
* as once it's registered we might reach flows requiring it
* [it's even possible to reach a flow needing it directly
* from there, although it's unlikely].
*/
INIT_DELAYED_WORK(&edev->sp_task, qede_sp_task);
mutex_init(&edev->qede_lock);
rc = register_netdev(edev->ndev);
if (rc) {
DP_NOTICE(edev, "Cannot register net-device\n");
goto err4;
}
/* Prepare the lock prior to the registration of the netdev,
* as once it's registered we might reach flows requiring it
* [it's even possible to reach a flow needing it directly
* from there, although it's unlikely].
*/
INIT_DELAYED_WORK(&edev->sp_task, qede_sp_task);
mutex_init(&edev->qede_lock);
rc = register_netdev(edev->ndev);
if (rc) {
DP_NOTICE(edev, "Cannot register net-device\n");
goto err4;
}
edev->ops->common->set_name(cdev, edev->ndev->name);
/* PTP not supported on VFs */
if (!is_vf)
qede_ptp_enable(edev, (mode == QEDE_PROBE_NORMAL));
qede_ptp_enable(edev, true);
edev->ops->register_ops(cdev, &qede_ll_ops, edev);
@ -1180,7 +1126,7 @@ static int __qede_probe(struct pci_dev *pdev, u32 dp_module, u8 dp_level,
return 0;
err4:
qede_rdma_dev_remove(edev, QEDE_RDMA_PROBE_MODE(mode));
qede_rdma_dev_remove(edev);
err3:
free_netdev(edev->ndev);
err2:
@ -1216,13 +1162,8 @@ static int qede_probe(struct pci_dev *pdev, const struct pci_device_id *id)
enum qede_remove_mode {
QEDE_REMOVE_NORMAL,
QEDE_REMOVE_RECOVERY,
};
#define QEDE_RDMA_REMOVE_MODE(mode) \
((mode) == QEDE_REMOVE_NORMAL ? QEDE_RDMA_REMOVE_NORMAL \
: QEDE_RDMA_REMOVE_RECOVERY)
static void __qede_remove(struct pci_dev *pdev, enum qede_remove_mode mode)
{
struct net_device *ndev = pci_get_drvdata(pdev);
@ -1231,20 +1172,16 @@ static void __qede_remove(struct pci_dev *pdev, enum qede_remove_mode mode)
DP_INFO(edev, "Starting qede_remove\n");
qede_rdma_dev_remove(edev, QEDE_RDMA_REMOVE_MODE(mode));
if (mode != QEDE_REMOVE_RECOVERY) {
unregister_netdev(ndev);
cancel_delayed_work_sync(&edev->sp_task);
edev->ops->common->set_power_state(cdev, PCI_D0);
pci_set_drvdata(pdev, NULL);
}
qede_rdma_dev_remove(edev);
unregister_netdev(ndev);
cancel_delayed_work_sync(&edev->sp_task);
qede_ptp_disable(edev);
edev->ops->common->set_power_state(cdev, PCI_D0);
pci_set_drvdata(pdev, NULL);
/* Use global ops since we've freed edev */
qed_ops->common->slowpath_stop(cdev);
if (system_state == SYSTEM_POWER_OFF)
@ -1257,8 +1194,7 @@ static void __qede_remove(struct pci_dev *pdev, enum qede_remove_mode mode)
* [e.g., QED register callbacks] won't break anything when
* accessing the netdevice.
*/
if (mode != QEDE_REMOVE_RECOVERY)
free_netdev(ndev);
free_netdev(ndev);
dev_info(&pdev->dev, "Ending qede_remove successfully\n");
}
@ -1603,58 +1539,6 @@ static int qede_alloc_mem_load(struct qede_dev *edev)
return 0;
}
static void qede_empty_tx_queue(struct qede_dev *edev,
struct qede_tx_queue *txq)
{
unsigned int pkts_compl = 0, bytes_compl = 0;
struct netdev_queue *netdev_txq;
int rc, len = 0;
netdev_txq = netdev_get_tx_queue(edev->ndev, txq->ndev_txq_id);
while (qed_chain_get_cons_idx(&txq->tx_pbl) !=
qed_chain_get_prod_idx(&txq->tx_pbl)) {
DP_VERBOSE(edev, NETIF_MSG_IFDOWN,
"Freeing a packet on tx queue[%d]: chain_cons 0x%x, chain_prod 0x%x\n",
txq->index, qed_chain_get_cons_idx(&txq->tx_pbl),
qed_chain_get_prod_idx(&txq->tx_pbl));
rc = qede_free_tx_pkt(edev, txq, &len);
if (rc) {
DP_NOTICE(edev,
"Failed to free a packet on tx queue[%d]: chain_cons 0x%x, chain_prod 0x%x\n",
txq->index,
qed_chain_get_cons_idx(&txq->tx_pbl),
qed_chain_get_prod_idx(&txq->tx_pbl));
break;
}
bytes_compl += len;
pkts_compl++;
txq->sw_tx_cons++;
}
netdev_tx_completed_queue(netdev_txq, pkts_compl, bytes_compl);
}
static void qede_empty_tx_queues(struct qede_dev *edev)
{
int i;
for_each_queue(i)
if (edev->fp_array[i].type & QEDE_FASTPATH_TX) {
int cos;
for_each_cos_in_txq(edev, cos) {
struct qede_fastpath *fp;
fp = &edev->fp_array[i];
qede_empty_tx_queue(edev,
&fp->txq[cos]);
}
}
}
/* This function inits fp content and resets the SB, RXQ and TXQ structures */
static void qede_init_fp(struct qede_dev *edev)
{
@ -2169,7 +2053,6 @@ out:
enum qede_unload_mode {
QEDE_UNLOAD_NORMAL,
QEDE_UNLOAD_RECOVERY,
};
static void qede_unload(struct qede_dev *edev, enum qede_unload_mode mode,
@ -2185,8 +2068,7 @@ static void qede_unload(struct qede_dev *edev, enum qede_unload_mode mode,
clear_bit(QEDE_FLAGS_LINK_REQUESTED, &edev->flags);
if (mode != QEDE_UNLOAD_RECOVERY)
edev->state = QEDE_STATE_CLOSED;
edev->state = QEDE_STATE_CLOSED;
qede_rdma_dev_event_close(edev);
@ -2194,21 +2076,18 @@ static void qede_unload(struct qede_dev *edev, enum qede_unload_mode mode,
netif_tx_disable(edev->ndev);
netif_carrier_off(edev->ndev);
if (mode != QEDE_UNLOAD_RECOVERY) {
/* Reset the link */
memset(&link_params, 0, sizeof(link_params));
link_params.link_up = false;
edev->ops->common->set_link(edev->cdev, &link_params);
rc = qede_stop_queues(edev);
if (rc) {
qede_sync_free_irqs(edev);
goto out;
}
DP_INFO(edev, "Stopped Queues\n");
/* Reset the link */
memset(&link_params, 0, sizeof(link_params));
link_params.link_up = false;
edev->ops->common->set_link(edev->cdev, &link_params);
rc = qede_stop_queues(edev);
if (rc) {
qede_sync_free_irqs(edev);
goto out;
}
DP_INFO(edev, "Stopped Queues\n");
qede_vlan_mark_nonconfigured(edev);
edev->ops->fastpath_stop(edev->cdev);
@ -2223,26 +2102,18 @@ static void qede_unload(struct qede_dev *edev, enum qede_unload_mode mode,
qede_napi_disable_remove(edev);
if (mode == QEDE_UNLOAD_RECOVERY)
qede_empty_tx_queues(edev);
qede_free_mem_load(edev);
qede_free_fp_array(edev);
out:
if (!is_locked)
__qede_unlock(edev);
if (mode != QEDE_UNLOAD_RECOVERY)
DP_NOTICE(edev, "Link is down\n");
DP_INFO(edev, "Ending qede unload\n");
}
enum qede_load_mode {
QEDE_LOAD_NORMAL,
QEDE_LOAD_RELOAD,
QEDE_LOAD_RECOVERY,
};
static int qede_load(struct qede_dev *edev, enum qede_load_mode mode,
@ -2422,77 +2293,6 @@ static void qede_link_update(void *dev, struct qed_link_output *link)
}
}
static void qede_schedule_recovery_handler(void *dev)
{
struct qede_dev *edev = dev;
if (edev->state == QEDE_STATE_RECOVERY) {
DP_NOTICE(edev,
"Avoid scheduling a recovery handling since already in recovery state\n");
return;
}
set_bit(QEDE_SP_RECOVERY, &edev->sp_flags);
schedule_delayed_work(&edev->sp_task, 0);
DP_INFO(edev, "Scheduled a recovery handler\n");
}
static void qede_recovery_failed(struct qede_dev *edev)
{
netdev_err(edev->ndev, "Recovery handling has failed. Power cycle is needed.\n");
netif_device_detach(edev->ndev);
if (edev->cdev)
edev->ops->common->set_power_state(edev->cdev, PCI_D3hot);
}
static void qede_recovery_handler(struct qede_dev *edev)
{
u32 curr_state = edev->state;
int rc;
DP_NOTICE(edev, "Starting a recovery process\n");
/* No need to acquire first the qede_lock since is done by qede_sp_task
* before calling this function.
*/
edev->state = QEDE_STATE_RECOVERY;
edev->ops->common->recovery_prolog(edev->cdev);
if (curr_state == QEDE_STATE_OPEN)
qede_unload(edev, QEDE_UNLOAD_RECOVERY, true);
__qede_remove(edev->pdev, QEDE_REMOVE_RECOVERY);
rc = __qede_probe(edev->pdev, edev->dp_module, edev->dp_level,
IS_VF(edev), QEDE_PROBE_RECOVERY);
if (rc) {
edev->cdev = NULL;
goto err;
}
if (curr_state == QEDE_STATE_OPEN) {
rc = qede_load(edev, QEDE_LOAD_RECOVERY, true);
if (rc)
goto err;
qede_config_rx_mode(edev->ndev);
udp_tunnel_get_rx_info(edev->ndev);
}
edev->state = curr_state;
DP_NOTICE(edev, "Recovery handling is done\n");
return;
err:
qede_recovery_failed(edev);
}
static bool qede_is_txq_full(struct qede_dev *edev, struct qede_tx_queue *txq)
{
struct netdev_queue *netdev_txq;

64
drivers/net/ethernet/qlogic/qede/qede_rdma.c
View File

@ -50,8 +50,6 @@ static void _qede_rdma_dev_add(struct qede_dev *edev)
if (!qedr_drv)
return;
/* Leftovers from previous error recovery */
edev->rdma_info.exp_recovery = false;
edev->rdma_info.qedr_dev = qedr_drv->add(edev->cdev, edev->pdev,
edev->ndev);
}
@ -89,26 +87,21 @@ static void qede_rdma_destroy_wq(struct qede_dev *edev)
destroy_workqueue(edev->rdma_info.rdma_wq);
}
int qede_rdma_dev_add(struct qede_dev *edev, enum qede_rdma_probe_mode mode)
int qede_rdma_dev_add(struct qede_dev *edev)
{
int rc;
int rc = 0;
if (!qede_rdma_supported(edev))
return 0;
if (qede_rdma_supported(edev)) {
rc = qede_rdma_create_wq(edev);
if (rc)
return rc;
/* Cannot start qedr while recovering since it wasn't fully stopped */
if (mode == QEDE_RDMA_PROBE_RECOVERY)
return 0;
rc = qede_rdma_create_wq(edev);
if (rc)
return rc;
INIT_LIST_HEAD(&edev->rdma_info.entry);
mutex_lock(&qedr_dev_list_lock);
list_add_tail(&edev->rdma_info.entry, &qedr_dev_list);
_qede_rdma_dev_add(edev);
mutex_unlock(&qedr_dev_list_lock);
INIT_LIST_HEAD(&edev->rdma_info.entry);
mutex_lock(&qedr_dev_list_lock);
list_add_tail(&edev->rdma_info.entry, &qedr_dev_list);
_qede_rdma_dev_add(edev);
mutex_unlock(&qedr_dev_list_lock);
}
return rc;
}
@ -117,31 +110,19 @@ static void _qede_rdma_dev_remove(struct qede_dev *edev)
{
if (qedr_drv && qedr_drv->remove && edev->rdma_info.qedr_dev)
qedr_drv->remove(edev->rdma_info.qedr_dev);
edev->rdma_info.qedr_dev = NULL;
}
void qede_rdma_dev_remove(struct qede_dev *edev,
enum qede_rdma_remove_mode mode)
void qede_rdma_dev_remove(struct qede_dev *edev)
{
if (!qede_rdma_supported(edev))
return;
/* Cannot remove qedr while recovering since it wasn't fully stopped */
if (mode == QEDE_RDMA_REMOVE_NORMAL) {
qede_rdma_destroy_wq(edev);
mutex_lock(&qedr_dev_list_lock);
if (!edev->rdma_info.exp_recovery)
_qede_rdma_dev_remove(edev);
edev->rdma_info.qedr_dev = NULL;
list_del(&edev->rdma_info.entry);
mutex_unlock(&qedr_dev_list_lock);
} else {
if (!edev->rdma_info.exp_recovery) {
mutex_lock(&qedr_dev_list_lock);
_qede_rdma_dev_remove(edev);
mutex_unlock(&qedr_dev_list_lock);
}
edev->rdma_info.exp_recovery = true;
}
qede_rdma_destroy_wq(edev);
mutex_lock(&qedr_dev_list_lock);
_qede_rdma_dev_remove(edev);
list_del(&edev->rdma_info.entry);
mutex_unlock(&qedr_dev_list_lock);
}
static void _qede_rdma_dev_open(struct qede_dev *edev)
@ -223,8 +204,7 @@ void qede_rdma_unregister_driver(struct qedr_driver *drv)
mutex_lock(&qedr_dev_list_lock);
list_for_each_entry(edev, &qedr_dev_list, rdma_info.entry) {
/* If device has experienced recovery it was already removed */
if (edev->rdma_info.qedr_dev && !edev->rdma_info.exp_recovery)
if (edev->rdma_info.qedr_dev)
_qede_rdma_dev_remove(edev);
}
qedr_drv = NULL;
@ -304,10 +284,6 @@ static void qede_rdma_add_event(struct qede_dev *edev,
{
struct qede_rdma_event_work *event_node;
/* If a recovery was experienced avoid adding the event */
if (edev->rdma_info.exp_recovery)
return;
if (!edev->rdma_info.qedr_dev)
return;

20
include/linux/qed/qed_if.h
View File

@ -764,7 +764,6 @@ struct qed_probe_params {
u32 dp_module;
u8 dp_level;
bool is_vf;
bool recov_in_prog;
};
#define QED_DRV_VER_STR_SIZE 12
@ -811,7 +810,6 @@ struct qed_common_cb_ops {
void (*arfs_filter_op)(void *dev, void *fltr, u8 fw_rc);
void (*link_update)(void *dev,
struct qed_link_output *link);
void (*schedule_recovery_handler)(void *dev);
void (*dcbx_aen)(void *dev, struct qed_dcbx_get *get, u32 mib_type);
void (*get_generic_tlv_data)(void *dev, struct qed_generic_tlvs *data);
void (*get_protocol_tlv_data)(void *dev, void *data);
@ -1059,24 +1057,6 @@ struct qed_common_ops {
int (*db_recovery_del)(struct qed_dev *cdev,
void __iomem *db_addr, void *db_data);
/**
* @brief recovery_process - Trigger a recovery process
*
* @param cdev
*
* @return 0 on success, error otherwise.
*/
int (*recovery_process)(struct qed_dev *cdev);
/**
* @brief recovery_prolog - Execute the prolog operations of a recovery process
*
* @param cdev
*
* @return 0 on success, error otherwise.
*/
int (*recovery_prolog)(struct qed_dev *cdev);
/**
* @brief update_drv_state - API to inform the change in the driver state.
*

21
include/linux/qed/qede_rdma.h
View File

@ -55,16 +55,6 @@ struct qede_rdma_event_work {
enum qede_rdma_event event;
};
enum qede_rdma_probe_mode {
QEDE_RDMA_PROBE_NORMAL,
QEDE_RDMA_PROBE_RECOVERY,
};
enum qede_rdma_remove_mode {
QEDE_RDMA_REMOVE_NORMAL,
QEDE_RDMA_REMOVE_RECOVERY,
};
struct qedr_driver {
unsigned char name[32];
@ -84,24 +74,21 @@ void qede_rdma_unregister_driver(struct qedr_driver *drv);
bool qede_rdma_supported(struct qede_dev *dev);
#if IS_ENABLED(CONFIG_QED_RDMA)
int qede_rdma_dev_add(struct qede_dev *dev, enum qede_rdma_probe_mode mode);
int qede_rdma_dev_add(struct qede_dev *dev);
void qede_rdma_dev_event_open(struct qede_dev *dev);
void qede_rdma_dev_event_close(struct qede_dev *dev);
void qede_rdma_dev_remove(struct qede_dev *dev,
enum qede_rdma_remove_mode mode);
void qede_rdma_dev_remove(struct qede_dev *dev);
void qede_rdma_event_changeaddr(struct qede_dev *edr);
#else
static inline int qede_rdma_dev_add(struct qede_dev *dev,
enum qede_rdma_probe_mode mode)
static inline int qede_rdma_dev_add(struct qede_dev *dev)
{
return 0;
}
static inline void qede_rdma_dev_event_open(struct qede_dev *dev) {}
static inline void qede_rdma_dev_event_close(struct qede_dev *dev) {}
static inline void qede_rdma_dev_remove(struct qede_dev *dev,
enum qede_rdma_remove_mode mode) {}
static inline void qede_rdma_dev_remove(struct qede_dev *dev) {}
static inline void qede_rdma_event_changeaddr(struct qede_dev *edr) {}
#endif
#endif