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author | Manish chopra <manish.chopra@qlogic.com> | 2012-02-03 11:35:11 +0000 |
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committer | David S. Miller <davem@davemloft.net> | 2012-02-04 15:59:28 -0500 |
commit | 83f18a557c6d6cdc03c7821e0b596c8f8b7bdb9f (patch) | |
tree | c978541c50a9526da998456badbc4f4dc20702b9 /drivers/net/ethernet/qlogic/netxen/netxen_nic_main.c | |
parent | 2dcd5d95ad6b281fca6f2d5e252bbf7e8e20655b (diff) | |
download | op-kernel-dev-83f18a557c6d6cdc03c7821e0b596c8f8b7bdb9f.zip op-kernel-dev-83f18a557c6d6cdc03c7821e0b596c8f8b7bdb9f.tar.gz |
netxen_nic: fw dump support
Signed-off-by: Manish Chopra <manish.chopra@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/qlogic/netxen/netxen_nic_main.c')
-rw-r--r-- | drivers/net/ethernet/qlogic/netxen/netxen_nic_main.c | 102 |
1 files changed, 84 insertions, 18 deletions
diff --git a/drivers/net/ethernet/qlogic/netxen/netxen_nic_main.c b/drivers/net/ethernet/qlogic/netxen/netxen_nic_main.c index 64aa44d..f67655f 100644 --- a/drivers/net/ethernet/qlogic/netxen/netxen_nic_main.c +++ b/drivers/net/ethernet/qlogic/netxen/netxen_nic_main.c @@ -82,7 +82,6 @@ static void netxen_create_sysfs_entries(struct netxen_adapter *adapter); static void netxen_remove_sysfs_entries(struct netxen_adapter *adapter); static void netxen_create_diag_entries(struct netxen_adapter *adapter); static void netxen_remove_diag_entries(struct netxen_adapter *adapter); - static int nx_dev_request_aer(struct netxen_adapter *adapter); static int nx_decr_dev_ref_cnt(struct netxen_adapter *adapter); static int netxen_can_start_firmware(struct netxen_adapter *adapter); @@ -802,10 +801,10 @@ err_out: static void netxen_check_options(struct netxen_adapter *adapter) { - u32 fw_major, fw_minor, fw_build; + u32 fw_major, fw_minor, fw_build, prev_fw_version; char brd_name[NETXEN_MAX_SHORT_NAME]; char serial_num[32]; - int i, offset, val; + int i, offset, val, err; int *ptr32; struct pci_dev *pdev = adapter->pdev; @@ -826,9 +825,22 @@ netxen_check_options(struct netxen_adapter *adapter) fw_major = NXRD32(adapter, NETXEN_FW_VERSION_MAJOR); fw_minor = NXRD32(adapter, NETXEN_FW_VERSION_MINOR); fw_build = NXRD32(adapter, NETXEN_FW_VERSION_SUB); - + prev_fw_version = adapter->fw_version; adapter->fw_version = NETXEN_VERSION_CODE(fw_major, fw_minor, fw_build); + /* Get FW Mini Coredump template and store it */ + if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) { + if (adapter->mdump.md_template == NULL || + adapter->fw_version > prev_fw_version) { + kfree(adapter->mdump.md_template); + adapter->mdump.md_template = NULL; + err = netxen_setup_minidump(adapter); + if (err) + dev_err(&adapter->pdev->dev, + "Failed to setup minidump rcode = %d\n", err); + } + } + if (adapter->portnum == 0) { get_brd_name_by_type(adapter->ahw.board_type, brd_name); @@ -909,7 +921,12 @@ netxen_start_firmware(struct netxen_adapter *adapter) if (err) return err; - if (!netxen_can_start_firmware(adapter)) + err = netxen_can_start_firmware(adapter); + + if (err < 0) + return err; + + if (!err) goto wait_init; first_boot = NXRD32(adapter, NETXEN_CAM_RAM(0x1fc)); @@ -1528,6 +1545,18 @@ err_out_disable_pdev: return err; } +static +void netxen_cleanup_minidump(struct netxen_adapter *adapter) +{ + kfree(adapter->mdump.md_template); + adapter->mdump.md_template = NULL; + + if (adapter->mdump.md_capture_buff) { + vfree(adapter->mdump.md_capture_buff); + adapter->mdump.md_capture_buff = NULL; + } +} + static void __devexit netxen_nic_remove(struct pci_dev *pdev) { struct netxen_adapter *adapter; @@ -1563,8 +1592,10 @@ static void __devexit netxen_nic_remove(struct pci_dev *pdev) netxen_release_firmware(adapter); - if (NX_IS_REVISION_P3(pdev->revision)) + if (NX_IS_REVISION_P3(pdev->revision)) { + netxen_cleanup_minidump(adapter); pci_disable_pcie_error_reporting(pdev); + } pci_release_regions(pdev); pci_disable_device(pdev); @@ -2316,7 +2347,7 @@ nx_incr_dev_ref_cnt(struct netxen_adapter *adapter) static int nx_decr_dev_ref_cnt(struct netxen_adapter *adapter) { - int count; + int count, state; if (netxen_api_lock(adapter)) return -EIO; @@ -2324,8 +2355,9 @@ nx_decr_dev_ref_cnt(struct netxen_adapter *adapter) WARN_ON(count == 0); NXWR32(adapter, NX_CRB_DEV_REF_COUNT, --count); + state = NXRD32(adapter, NX_CRB_DEV_STATE); - if (count == 0) + if (count == 0 && state != NX_DEV_FAILED) NXWR32(adapter, NX_CRB_DEV_STATE, NX_DEV_COLD); netxen_api_unlock(adapter); @@ -2354,7 +2386,7 @@ nx_dev_request_aer(struct netxen_adapter *adapter) return ret; } -static int +int nx_dev_request_reset(struct netxen_adapter *adapter) { u32 state; @@ -2365,10 +2397,11 @@ nx_dev_request_reset(struct netxen_adapter *adapter) state = NXRD32(adapter, NX_CRB_DEV_STATE); - if (state == NX_DEV_NEED_RESET) + if (state == NX_DEV_NEED_RESET || state == NX_DEV_FAILED) ret = 0; else if (state != NX_DEV_INITALIZING && state != NX_DEV_NEED_AER) { NXWR32(adapter, NX_CRB_DEV_STATE, NX_DEV_NEED_RESET); + adapter->flags |= NETXEN_FW_RESET_OWNER; ret = 0; } @@ -2383,8 +2416,10 @@ netxen_can_start_firmware(struct netxen_adapter *adapter) int count; int can_start = 0; - if (netxen_api_lock(adapter)) - return 0; + if (netxen_api_lock(adapter)) { + nx_incr_dev_ref_cnt(adapter); + return -1; + } count = NXRD32(adapter, NX_CRB_DEV_REF_COUNT); @@ -2456,8 +2491,31 @@ netxen_fwinit_work(struct work_struct *work) struct netxen_adapter *adapter = container_of(work, struct netxen_adapter, fw_work.work); int dev_state; - + int count; dev_state = NXRD32(adapter, NX_CRB_DEV_STATE); + if (adapter->flags & NETXEN_FW_RESET_OWNER) { + count = NXRD32(adapter, NX_CRB_DEV_REF_COUNT); + WARN_ON(count == 0); + if (count == 1) { + if (adapter->mdump.md_enabled) { + rtnl_lock(); + netxen_dump_fw(adapter); + rtnl_unlock(); + } + adapter->flags &= ~NETXEN_FW_RESET_OWNER; + if (netxen_api_lock(adapter)) { + clear_bit(__NX_RESETTING, &adapter->state); + NXWR32(adapter, NX_CRB_DEV_STATE, + NX_DEV_FAILED); + return; + } + count = NXRD32(adapter, NX_CRB_DEV_REF_COUNT); + NXWR32(adapter, NX_CRB_DEV_REF_COUNT, --count); + NXWR32(adapter, NX_CRB_DEV_STATE, NX_DEV_COLD); + dev_state = NX_DEV_COLD; + netxen_api_unlock(adapter); + } + } switch (dev_state) { case NX_DEV_COLD: @@ -2470,11 +2528,9 @@ netxen_fwinit_work(struct work_struct *work) case NX_DEV_NEED_RESET: case NX_DEV_INITALIZING: - if (++adapter->fw_wait_cnt < FW_POLL_THRESH) { netxen_schedule_work(adapter, netxen_fwinit_work, 2 * FW_POLL_DELAY); return; - } case NX_DEV_FAILED: default: @@ -2482,6 +2538,15 @@ netxen_fwinit_work(struct work_struct *work) break; } + if (netxen_api_lock(adapter)) { + clear_bit(__NX_RESETTING, &adapter->state); + return; + } + NXWR32(adapter, NX_CRB_DEV_STATE, NX_DEV_FAILED); + netxen_api_unlock(adapter); + dev_err(&adapter->pdev->dev, "%s: Device initialization Failed\n", + adapter->netdev->name); + clear_bit(__NX_RESETTING, &adapter->state); } @@ -2491,7 +2556,7 @@ netxen_detach_work(struct work_struct *work) struct netxen_adapter *adapter = container_of(work, struct netxen_adapter, fw_work.work); struct net_device *netdev = adapter->netdev; - int ref_cnt, delay; + int ref_cnt = 0, delay; u32 status; netif_device_detach(netdev); @@ -2510,7 +2575,8 @@ netxen_detach_work(struct work_struct *work) if (adapter->temp == NX_TEMP_PANIC) goto err_ret; - ref_cnt = nx_decr_dev_ref_cnt(adapter); + if (!(adapter->flags & NETXEN_FW_RESET_OWNER)) + ref_cnt = nx_decr_dev_ref_cnt(adapter); if (ref_cnt == -EIO) goto err_ret; @@ -2550,7 +2616,7 @@ netxen_check_health(struct netxen_adapter *adapter) * Send request to destroy context in case of tx timeout only * and doesn't required in case of Fw hang */ - if (state == NX_DEV_NEED_RESET) { + if (state == NX_DEV_NEED_RESET || state == NX_DEV_FAILED) { adapter->need_fw_reset = 1; if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) goto detach; |