From 4e70812b3dc32c76fa2fa3aa2c8221eaac87cd6f Mon Sep 17 00:00:00 2001 From: Sony Chacko Date: Tue, 31 Aug 2010 17:17:44 +0000 Subject: [PATCH] qlcnic: backout firmware initialization update o Backing out "firmware initialization update" changes, commit-id "d4066833bb1b35fefb1dd45eb2b10659d46bf151". o fix heartbit spelling, it should be heartbeat Signed-off-by: Sony Chacko Signed-off-by: Amit Kumar Salecha Signed-off-by: David S. Miller --- drivers/net/qlcnic/qlcnic.h | 2 +- drivers/net/qlcnic/qlcnic_hdr.h | 6 ++- drivers/net/qlcnic/qlcnic_init.c | 109 ++++++++++++++++++++++++++++++++------- drivers/net/qlcnic/qlcnic_main.c | 11 ++-- 4 files changed, 100 insertions(+), 28 deletions(-) diff --git a/drivers/net/qlcnic/qlcnic.h b/drivers/net/qlcnic/qlcnic.h index 1f5c10b..74eff18 100644 --- a/drivers/net/qlcnic/qlcnic.h +++ b/drivers/net/qlcnic/qlcnic.h @@ -978,7 +978,7 @@ struct qlcnic_adapter { u32 temp; u32 int_vec_bit; - u32 heartbit; + u32 heartbeat; u8 max_mac_filters; u8 dev_state; diff --git a/drivers/net/qlcnic/qlcnic_hdr.h b/drivers/net/qlcnic/qlcnic_hdr.h index bce1b1d..716203e 100644 --- a/drivers/net/qlcnic/qlcnic_hdr.h +++ b/drivers/net/qlcnic/qlcnic_hdr.h @@ -747,8 +747,12 @@ enum { #define QLCNIC_RESET_TIMEOUT_SECS 10 #define QLCNIC_INIT_TIMEOUT_SECS 30 +#define QLCNIC_RCVPEG_CHECK_RETRY_COUNT 2000 +#define QLCNIC_RCVPEG_CHECK_DELAY 10 +#define QLCNIC_CMDPEG_CHECK_RETRY_COUNT 60 +#define QLCNIC_CMDPEG_CHECK_DELAY 500 #define QLCNIC_HEARTBEAT_PERIOD_MSECS 200 -#define QLCNIC_HEARTBEAT_RETRY_COUNT 45 +#define QLCNIC_HEARTBEAT_CHECK_RETRY_COUNT 45 #define ISR_MSI_INT_TRIGGER(FUNC) (QLCNIC_PCIX_PS_REG(PCIX_MSI_F(FUNC))) #define ISR_LEGACY_INT_TRIGGERED(VAL) (((VAL) & 0x300) == 0x200) diff --git a/drivers/net/qlcnic/qlcnic_init.c b/drivers/net/qlcnic/qlcnic_init.c index eb8256b..8e0e7a3 100644 --- a/drivers/net/qlcnic/qlcnic_init.c +++ b/drivers/net/qlcnic/qlcnic_init.c @@ -46,6 +46,9 @@ static void qlcnic_post_rx_buffers_nodb(struct qlcnic_adapter *adapter, struct qlcnic_host_rds_ring *rds_ring); +static int +qlcnic_check_fw_hearbeat(struct qlcnic_adapter *adapter); + static void crb_addr_transform_setup(void) { crb_addr_transform(XDMA); @@ -544,31 +547,77 @@ int qlcnic_pinit_from_rom(struct qlcnic_adapter *adapter) return 0; } -int -qlcnic_check_fw_status(struct qlcnic_adapter *adapter) +static int qlcnic_cmd_peg_ready(struct qlcnic_adapter *adapter) { - u32 heartbit, cmdpeg_state, ret = -EIO; - int retries = QLCNIC_HEARTBEAT_RETRY_COUNT; + u32 val; + int retries = QLCNIC_CMDPEG_CHECK_RETRY_COUNT; - adapter->heartbit = QLCRD32(adapter, QLCNIC_PEG_ALIVE_COUNTER); do { - msleep(QLCNIC_HEARTBEAT_PERIOD_MSECS); - heartbit = QLCRD32(adapter, QLCNIC_PEG_ALIVE_COUNTER); - if (heartbit != adapter->heartbit) { - cmdpeg_state = QLCRD32(adapter, CRB_CMDPEG_STATE); - /* Ensure peg states are initialized */ - if (cmdpeg_state == PHAN_INITIALIZE_COMPLETE || - cmdpeg_state == PHAN_INITIALIZE_ACK) { - /* Complete firmware handshake */ - QLCWR32(adapter, CRB_CMDPEG_STATE, - PHAN_INITIALIZE_ACK); - ret = QLCNIC_RCODE_SUCCESS; - break; - } + val = QLCRD32(adapter, CRB_CMDPEG_STATE); + + switch (val) { + case PHAN_INITIALIZE_COMPLETE: + case PHAN_INITIALIZE_ACK: + return 0; + case PHAN_INITIALIZE_FAILED: + goto out_err; + default: + break; } + + msleep(QLCNIC_CMDPEG_CHECK_DELAY); + } while (--retries); - return ret; + QLCWR32(adapter, CRB_CMDPEG_STATE, PHAN_INITIALIZE_FAILED); + +out_err: + dev_err(&adapter->pdev->dev, "Command Peg initialization not " + "complete, state: 0x%x.\n", val); + return -EIO; +} + +static int +qlcnic_receive_peg_ready(struct qlcnic_adapter *adapter) +{ + u32 val; + int retries = QLCNIC_RCVPEG_CHECK_RETRY_COUNT; + + do { + val = QLCRD32(adapter, CRB_RCVPEG_STATE); + + if (val == PHAN_PEG_RCV_INITIALIZED) + return 0; + + msleep(QLCNIC_RCVPEG_CHECK_DELAY); + + } while (--retries); + + if (!retries) { + dev_err(&adapter->pdev->dev, "Receive Peg initialization not " + "complete, state: 0x%x.\n", val); + return -EIO; + } + + return 0; +} + +int +qlcnic_check_fw_status(struct qlcnic_adapter *adapter) +{ + int err; + + err = qlcnic_cmd_peg_ready(adapter); + if (err) + return err; + + err = qlcnic_receive_peg_ready(adapter); + if (err) + return err; + + QLCWR32(adapter, CRB_CMDPEG_STATE, PHAN_INITIALIZE_ACK); + + return err; } int @@ -943,12 +992,32 @@ static void qlcnic_rom_lock_recovery(struct qlcnic_adapter *adapter) qlcnic_pcie_sem_unlock(adapter, 2); } +static int +qlcnic_check_fw_hearbeat(struct qlcnic_adapter *adapter) +{ + u32 heartbeat, ret = -EIO; + int retries = QLCNIC_HEARTBEAT_CHECK_RETRY_COUNT; + + adapter->heartbeat = QLCRD32(adapter, QLCNIC_PEG_ALIVE_COUNTER); + + do { + msleep(QLCNIC_HEARTBEAT_PERIOD_MSECS); + heartbeat = QLCRD32(adapter, QLCNIC_PEG_ALIVE_COUNTER); + if (heartbeat != adapter->heartbeat) { + ret = QLCNIC_RCODE_SUCCESS; + break; + } + } while (--retries); + + return ret; +} + int qlcnic_need_fw_reset(struct qlcnic_adapter *adapter) { u32 val, version, major, minor, build; - if (qlcnic_check_fw_status(adapter)) { + if (qlcnic_check_fw_hearbeat(adapter)) { qlcnic_rom_lock_recovery(adapter); return 1; } diff --git a/drivers/net/qlcnic/qlcnic_main.c b/drivers/net/qlcnic/qlcnic_main.c index 6999d5a..771a160 100644 --- a/drivers/net/qlcnic/qlcnic_main.c +++ b/drivers/net/qlcnic/qlcnic_main.c @@ -983,7 +983,7 @@ qlcnic_start_firmware(struct qlcnic_adapter *adapter) err = qlcnic_need_fw_reset(adapter); if (err == 0) - goto set_dev_ready; + goto check_fw_status; err = qlcnic_pinit_from_rom(adapter); if (err) @@ -1002,7 +1002,6 @@ check_fw_status: if (err) goto err_out; -set_dev_ready: QLCWR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_READY); qlcnic_idc_debug_info(adapter, 1); @@ -2795,7 +2794,7 @@ done: static int qlcnic_check_health(struct qlcnic_adapter *adapter) { - u32 state = 0, heartbit; + u32 state = 0, heartbeat; struct net_device *netdev = adapter->netdev; if (qlcnic_check_temp(adapter)) @@ -2811,9 +2810,9 @@ qlcnic_check_health(struct qlcnic_adapter *adapter) adapter->need_fw_reset = 1; } - heartbit = QLCRD32(adapter, QLCNIC_PEG_ALIVE_COUNTER); - if (heartbit != adapter->heartbit) { - adapter->heartbit = heartbit; + heartbeat = QLCRD32(adapter, QLCNIC_PEG_ALIVE_COUNTER); + if (heartbeat != adapter->heartbeat) { + adapter->heartbeat = heartbeat; adapter->fw_fail_cnt = 0; if (adapter->need_fw_reset) goto detach; -- 2.7.4