diff options
Diffstat (limited to 'drivers/net/vxge/vxge-traffic.c')
| -rw-r--r-- | drivers/net/vxge/vxge-traffic.c | 775 |
1 files changed, 381 insertions, 394 deletions
diff --git a/drivers/net/vxge/vxge-traffic.c b/drivers/net/vxge/vxge-traffic.c index 4bdb611a6842..4c10d6c4075f 100644 --- a/drivers/net/vxge/vxge-traffic.c +++ b/drivers/net/vxge/vxge-traffic.c @@ -17,13 +17,6 @@ #include "vxge-config.h" #include "vxge-main.h" -static enum vxge_hw_status -__vxge_hw_device_handle_error(struct __vxge_hw_device *hldev, - u32 vp_id, enum vxge_hw_event type); -static enum vxge_hw_status -__vxge_hw_vpath_alarm_process(struct __vxge_hw_virtualpath *vpath, - u32 skip_alarms); - /* * vxge_hw_vpath_intr_enable - Enable vpath interrupts. * @vp: Virtual Path handle. @@ -419,6 +412,384 @@ void vxge_hw_device_flush_io(struct __vxge_hw_device *hldev) } /** + * __vxge_hw_device_handle_error - Handle error + * @hldev: HW device + * @vp_id: Vpath Id + * @type: Error type. Please see enum vxge_hw_event{} + * + * Handle error. + */ +static enum vxge_hw_status +__vxge_hw_device_handle_error(struct __vxge_hw_device *hldev, u32 vp_id, + enum vxge_hw_event type) +{ + switch (type) { + case VXGE_HW_EVENT_UNKNOWN: + break; + case VXGE_HW_EVENT_RESET_START: + case VXGE_HW_EVENT_RESET_COMPLETE: + case VXGE_HW_EVENT_LINK_DOWN: + case VXGE_HW_EVENT_LINK_UP: + goto out; + case VXGE_HW_EVENT_ALARM_CLEARED: + goto out; + case VXGE_HW_EVENT_ECCERR: + case VXGE_HW_EVENT_MRPCIM_ECCERR: + goto out; + case VXGE_HW_EVENT_FIFO_ERR: + case VXGE_HW_EVENT_VPATH_ERR: + case VXGE_HW_EVENT_CRITICAL_ERR: + case VXGE_HW_EVENT_SERR: + break; + case VXGE_HW_EVENT_SRPCIM_SERR: + case VXGE_HW_EVENT_MRPCIM_SERR: + goto out; + case VXGE_HW_EVENT_SLOT_FREEZE: + break; + default: + vxge_assert(0); + goto out; + } + + /* notify driver */ + if (hldev->uld_callbacks.crit_err) + hldev->uld_callbacks.crit_err( + (struct __vxge_hw_device *)hldev, + type, vp_id); +out: + + return VXGE_HW_OK; +} + +/* + * __vxge_hw_device_handle_link_down_ind + * @hldev: HW device handle. + * + * Link down indication handler. The function is invoked by HW when + * Titan indicates that the link is down. + */ +static enum vxge_hw_status +__vxge_hw_device_handle_link_down_ind(struct __vxge_hw_device *hldev) +{ + /* + * If the previous link state is not down, return. + */ + if (hldev->link_state == VXGE_HW_LINK_DOWN) + goto exit; + + hldev->link_state = VXGE_HW_LINK_DOWN; + + /* notify driver */ + if (hldev->uld_callbacks.link_down) + hldev->uld_callbacks.link_down(hldev); +exit: + return VXGE_HW_OK; +} + +/* + * __vxge_hw_device_handle_link_up_ind + * @hldev: HW device handle. + * + * Link up indication handler. The function is invoked by HW when + * Titan indicates that the link is up for programmable amount of time. + */ +static enum vxge_hw_status +__vxge_hw_device_handle_link_up_ind(struct __vxge_hw_device *hldev) +{ + /* + * If the previous link state is not down, return. + */ + if (hldev->link_state == VXGE_HW_LINK_UP) + goto exit; + + hldev->link_state = VXGE_HW_LINK_UP; + + /* notify driver */ + if (hldev->uld_callbacks.link_up) + hldev->uld_callbacks.link_up(hldev); +exit: + return VXGE_HW_OK; +} + +/* + * __vxge_hw_vpath_alarm_process - Process Alarms. + * @vpath: Virtual Path. + * @skip_alarms: Do not clear the alarms + * + * Process vpath alarms. + * + */ +static enum vxge_hw_status +__vxge_hw_vpath_alarm_process(struct __vxge_hw_virtualpath *vpath, + u32 skip_alarms) +{ + u64 val64; + u64 alarm_status; + u64 pic_status; + struct __vxge_hw_device *hldev = NULL; + enum vxge_hw_event alarm_event = VXGE_HW_EVENT_UNKNOWN; + u64 mask64; + struct vxge_hw_vpath_stats_sw_info *sw_stats; + struct vxge_hw_vpath_reg __iomem *vp_reg; + + if (vpath == NULL) { + alarm_event = VXGE_HW_SET_LEVEL(VXGE_HW_EVENT_UNKNOWN, + alarm_event); + goto out2; + } + + hldev = vpath->hldev; + vp_reg = vpath->vp_reg; + alarm_status = readq(&vp_reg->vpath_general_int_status); + + if (alarm_status == VXGE_HW_ALL_FOXES) { + alarm_event = VXGE_HW_SET_LEVEL(VXGE_HW_EVENT_SLOT_FREEZE, + alarm_event); + goto out; + } + + sw_stats = vpath->sw_stats; + + if (alarm_status & ~( + VXGE_HW_VPATH_GENERAL_INT_STATUS_PIC_INT | + VXGE_HW_VPATH_GENERAL_INT_STATUS_PCI_INT | + VXGE_HW_VPATH_GENERAL_INT_STATUS_WRDMA_INT | + VXGE_HW_VPATH_GENERAL_INT_STATUS_XMAC_INT)) { + sw_stats->error_stats.unknown_alarms++; + + alarm_event = VXGE_HW_SET_LEVEL(VXGE_HW_EVENT_UNKNOWN, + alarm_event); + goto out; + } + + if (alarm_status & VXGE_HW_VPATH_GENERAL_INT_STATUS_XMAC_INT) { + + val64 = readq(&vp_reg->xgmac_vp_int_status); + + if (val64 & + VXGE_HW_XGMAC_VP_INT_STATUS_ASIC_NTWK_VP_ERR_ASIC_NTWK_VP_INT) { + + val64 = readq(&vp_reg->asic_ntwk_vp_err_reg); + + if (((val64 & + VXGE_HW_ASIC_NW_VP_ERR_REG_XMACJ_STN_FLT) && + (!(val64 & + VXGE_HW_ASIC_NW_VP_ERR_REG_XMACJ_STN_OK))) || + ((val64 & + VXGE_HW_ASIC_NW_VP_ERR_REG_XMACJ_STN_FLT_OCCURR) && + (!(val64 & + VXGE_HW_ASIC_NW_VP_ERR_REG_XMACJ_STN_OK_OCCURR) + ))) { + sw_stats->error_stats.network_sustained_fault++; + + writeq( + VXGE_HW_ASIC_NW_VP_ERR_REG_XMACJ_STN_FLT, + &vp_reg->asic_ntwk_vp_err_mask); + + __vxge_hw_device_handle_link_down_ind(hldev); + alarm_event = VXGE_HW_SET_LEVEL( + VXGE_HW_EVENT_LINK_DOWN, alarm_event); + } + + if (((val64 & + VXGE_HW_ASIC_NW_VP_ERR_REG_XMACJ_STN_OK) && + (!(val64 & + VXGE_HW_ASIC_NW_VP_ERR_REG_XMACJ_STN_FLT))) || + ((val64 & + VXGE_HW_ASIC_NW_VP_ERR_REG_XMACJ_STN_OK_OCCURR) && + (!(val64 & + VXGE_HW_ASIC_NW_VP_ERR_REG_XMACJ_STN_FLT_OCCURR) + ))) { + + sw_stats->error_stats.network_sustained_ok++; + + writeq( + VXGE_HW_ASIC_NW_VP_ERR_REG_XMACJ_STN_OK, + &vp_reg->asic_ntwk_vp_err_mask); + + __vxge_hw_device_handle_link_up_ind(hldev); + alarm_event = VXGE_HW_SET_LEVEL( + VXGE_HW_EVENT_LINK_UP, alarm_event); + } + + writeq(VXGE_HW_INTR_MASK_ALL, + &vp_reg->asic_ntwk_vp_err_reg); + + alarm_event = VXGE_HW_SET_LEVEL( + VXGE_HW_EVENT_ALARM_CLEARED, alarm_event); + + if (skip_alarms) + return VXGE_HW_OK; + } + } + + if (alarm_status & VXGE_HW_VPATH_GENERAL_INT_STATUS_PIC_INT) { + + pic_status = readq(&vp_reg->vpath_ppif_int_status); + + if (pic_status & + VXGE_HW_VPATH_PPIF_INT_STATUS_GENERAL_ERRORS_GENERAL_INT) { + + val64 = readq(&vp_reg->general_errors_reg); + mask64 = readq(&vp_reg->general_errors_mask); + + if ((val64 & + VXGE_HW_GENERAL_ERRORS_REG_INI_SERR_DET) & + ~mask64) { + sw_stats->error_stats.ini_serr_det++; + + alarm_event = VXGE_HW_SET_LEVEL( + VXGE_HW_EVENT_SERR, alarm_event); + } + + if ((val64 & + VXGE_HW_GENERAL_ERRORS_REG_DBLGEN_FIFO0_OVRFLOW) & + ~mask64) { + sw_stats->error_stats.dblgen_fifo0_overflow++; + + alarm_event = VXGE_HW_SET_LEVEL( + VXGE_HW_EVENT_FIFO_ERR, alarm_event); + } + + if ((val64 & + VXGE_HW_GENERAL_ERRORS_REG_STATSB_PIF_CHAIN_ERR) & + ~mask64) + sw_stats->error_stats.statsb_pif_chain_error++; + + if ((val64 & + VXGE_HW_GENERAL_ERRORS_REG_STATSB_DROP_TIMEOUT_REQ) & + ~mask64) + sw_stats->error_stats.statsb_drop_timeout++; + + if ((val64 & + VXGE_HW_GENERAL_ERRORS_REG_TGT_ILLEGAL_ACCESS) & + ~mask64) + sw_stats->error_stats.target_illegal_access++; + + if (!skip_alarms) { + writeq(VXGE_HW_INTR_MASK_ALL, + &vp_reg->general_errors_reg); + alarm_event = VXGE_HW_SET_LEVEL( + VXGE_HW_EVENT_ALARM_CLEARED, + alarm_event); + } + } + + if (pic_status & + VXGE_HW_VPATH_PPIF_INT_STATUS_KDFCCTL_ERRORS_KDFCCTL_INT) { + + val64 = readq(&vp_reg->kdfcctl_errors_reg); + mask64 = readq(&vp_reg->kdfcctl_errors_mask); + + if ((val64 & + VXGE_HW_KDFCCTL_ERRORS_REG_KDFCCTL_FIFO0_OVRWR) & + ~mask64) { + sw_stats->error_stats.kdfcctl_fifo0_overwrite++; + + alarm_event = VXGE_HW_SET_LEVEL( + VXGE_HW_EVENT_FIFO_ERR, + alarm_event); + } + + if ((val64 & + VXGE_HW_KDFCCTL_ERRORS_REG_KDFCCTL_FIFO0_POISON) & + ~mask64) { + sw_stats->error_stats.kdfcctl_fifo0_poison++; + + alarm_event = VXGE_HW_SET_LEVEL( + VXGE_HW_EVENT_FIFO_ERR, + alarm_event); + } + + if ((val64 & + VXGE_HW_KDFCCTL_ERRORS_REG_KDFCCTL_FIFO0_DMA_ERR) & + ~mask64) { + sw_stats->error_stats.kdfcctl_fifo0_dma_error++; + + alarm_event = VXGE_HW_SET_LEVEL( + VXGE_HW_EVENT_FIFO_ERR, + alarm_event); + } + + if (!skip_alarms) { + writeq(VXGE_HW_INTR_MASK_ALL, + &vp_reg->kdfcctl_errors_reg); + alarm_event = VXGE_HW_SET_LEVEL( + VXGE_HW_EVENT_ALARM_CLEARED, + alarm_event); + } + } + + } + + if (alarm_status & VXGE_HW_VPATH_GENERAL_INT_STATUS_WRDMA_INT) { + + val64 = readq(&vp_reg->wrdma_alarm_status); + + if (val64 & VXGE_HW_WRDMA_ALARM_STATUS_PRC_ALARM_PRC_INT) { + + val64 = readq(&vp_reg->prc_alarm_reg); + mask64 = readq(&vp_reg->prc_alarm_mask); + + if ((val64 & VXGE_HW_PRC_ALARM_REG_PRC_RING_BUMP)& + ~mask64) + sw_stats->error_stats.prc_ring_bumps++; + + if ((val64 & VXGE_HW_PRC_ALARM_REG_PRC_RXDCM_SC_ERR) & + ~mask64) { + sw_stats->error_stats.prc_rxdcm_sc_err++; + + alarm_event = VXGE_HW_SET_LEVEL( + VXGE_HW_EVENT_VPATH_ERR, + alarm_event); + } + + if ((val64 & VXGE_HW_PRC_ALARM_REG_PRC_RXDCM_SC_ABORT) + & ~mask64) { + sw_stats->error_stats.prc_rxdcm_sc_abort++; + + alarm_event = VXGE_HW_SET_LEVEL( + VXGE_HW_EVENT_VPATH_ERR, + alarm_event); + } + + if ((val64 & VXGE_HW_PRC_ALARM_REG_PRC_QUANTA_SIZE_ERR) + & ~mask64) { + sw_stats->error_stats.prc_quanta_size_err++; + + alarm_event = VXGE_HW_SET_LEVEL( + VXGE_HW_EVENT_VPATH_ERR, + alarm_event); + } + + if (!skip_alarms) { + writeq(VXGE_HW_INTR_MASK_ALL, + &vp_reg->prc_alarm_reg); + alarm_event = VXGE_HW_SET_LEVEL( + VXGE_HW_EVENT_ALARM_CLEARED, + alarm_event); + } + } + } +out: + hldev->stats.sw_dev_err_stats.vpath_alarms++; +out2: + if ((alarm_event == VXGE_HW_EVENT_ALARM_CLEARED) || + (alarm_event == VXGE_HW_EVENT_UNKNOWN)) + return VXGE_HW_OK; + + __vxge_hw_device_handle_error(hldev, vpath->vp_id, alarm_event); + + if (alarm_event == VXGE_HW_EVENT_SERR) + return VXGE_HW_ERR_CRITICAL; + + return (alarm_event == VXGE_HW_EVENT_SLOT_FREEZE) ? + VXGE_HW_ERR_SLOT_FREEZE : + (alarm_event == VXGE_HW_EVENT_FIFO_ERR) ? VXGE_HW_ERR_FIFO : + VXGE_HW_ERR_VPATH; +} + +/** * vxge_hw_device_begin_irq - Begin IRQ processing. * @hldev: HW device handle. * @skip_alarms: Do not clear the alarms @@ -513,108 +884,6 @@ exit: return ret; } -/* - * __vxge_hw_device_handle_link_up_ind - * @hldev: HW device handle. - * - * Link up indication handler. The function is invoked by HW when - * Titan indicates that the link is up for programmable amount of time. - */ -static enum vxge_hw_status -__vxge_hw_device_handle_link_up_ind(struct __vxge_hw_device *hldev) -{ - /* - * If the previous link state is not down, return. - */ - if (hldev->link_state == VXGE_HW_LINK_UP) - goto exit; - - hldev->link_state = VXGE_HW_LINK_UP; - - /* notify driver */ - if (hldev->uld_callbacks.link_up) - hldev->uld_callbacks.link_up(hldev); -exit: - return VXGE_HW_OK; -} - -/* - * __vxge_hw_device_handle_link_down_ind - * @hldev: HW device handle. - * - * Link down indication handler. The function is invoked by HW when - * Titan indicates that the link is down. - */ -static enum vxge_hw_status -__vxge_hw_device_handle_link_down_ind(struct __vxge_hw_device *hldev) -{ - /* - * If the previous link state is not down, return. - */ - if (hldev->link_state == VXGE_HW_LINK_DOWN) - goto exit; - - hldev->link_state = VXGE_HW_LINK_DOWN; - - /* notify driver */ - if (hldev->uld_callbacks.link_down) - hldev->uld_callbacks.link_down(hldev); -exit: - return VXGE_HW_OK; -} - -/** - * __vxge_hw_device_handle_error - Handle error - * @hldev: HW device - * @vp_id: Vpath Id - * @type: Error type. Please see enum vxge_hw_event{} - * - * Handle error. - */ -static enum vxge_hw_status -__vxge_hw_device_handle_error( - struct __vxge_hw_device *hldev, - u32 vp_id, - enum vxge_hw_event type) -{ - switch (type) { - case VXGE_HW_EVENT_UNKNOWN: - break; - case VXGE_HW_EVENT_RESET_START: - case VXGE_HW_EVENT_RESET_COMPLETE: - case VXGE_HW_EVENT_LINK_DOWN: - case VXGE_HW_EVENT_LINK_UP: - goto out; - case VXGE_HW_EVENT_ALARM_CLEARED: - goto out; - case VXGE_HW_EVENT_ECCERR: - case VXGE_HW_EVENT_MRPCIM_ECCERR: - goto out; - case VXGE_HW_EVENT_FIFO_ERR: - case VXGE_HW_EVENT_VPATH_ERR: - case VXGE_HW_EVENT_CRITICAL_ERR: - case VXGE_HW_EVENT_SERR: - break; - case VXGE_HW_EVENT_SRPCIM_SERR: - case VXGE_HW_EVENT_MRPCIM_SERR: - goto out; - case VXGE_HW_EVENT_SLOT_FREEZE: - break; - default: - vxge_assert(0); - goto out; - } - - /* notify driver */ - if (hldev->uld_callbacks.crit_err) - hldev->uld_callbacks.crit_err( - (struct __vxge_hw_device *)hldev, - type, vp_id); -out: - - return VXGE_HW_OK; -} - /** * vxge_hw_device_clear_tx_rx - Acknowledge (that is, clear) the * condition that has caused the Tx and RX interrupt. @@ -699,8 +968,8 @@ _alloc_after_swap: * Posts a dtr to work array. * */ -static void vxge_hw_channel_dtr_post(struct __vxge_hw_channel *channel, - void *dtrh) +static void +vxge_hw_channel_dtr_post(struct __vxge_hw_channel *channel, void *dtrh) { vxge_assert(channel->work_arr[channel->post_index] == NULL); @@ -911,10 +1180,6 @@ void vxge_hw_ring_rxd_post(struct __vxge_hw_ring *ring, void *rxdh) */ void vxge_hw_ring_rxd_post_post_wmb(struct __vxge_hw_ring *ring, void *rxdh) { - struct __vxge_hw_channel *channel; - - channel = &ring->channel; - wmb(); vxge_hw_ring_rxd_post_post(ring, rxdh); } @@ -975,7 +1240,7 @@ enum vxge_hw_status vxge_hw_ring_rxd_next_completed( *t_code = (u8)VXGE_HW_RING_RXD_T_CODE_GET(control_0); /* check whether it is not the end */ - if (!own || ((*t_code == VXGE_HW_RING_T_CODE_FRM_DROP) && own)) { + if (!own || *t_code == VXGE_HW_RING_T_CODE_FRM_DROP) { vxge_assert(((struct vxge_hw_ring_rxd_1 *)rxdp)->host_control != 0); @@ -1868,284 +2133,6 @@ exit: } /* - * __vxge_hw_vpath_alarm_process - Process Alarms. - * @vpath: Virtual Path. - * @skip_alarms: Do not clear the alarms - * - * Process vpath alarms. - * - */ -static enum vxge_hw_status -__vxge_hw_vpath_alarm_process(struct __vxge_hw_virtualpath *vpath, - u32 skip_alarms) -{ - u64 val64; - u64 alarm_status; - u64 pic_status; - struct __vxge_hw_device *hldev = NULL; - enum vxge_hw_event alarm_event = VXGE_HW_EVENT_UNKNOWN; - u64 mask64; - struct vxge_hw_vpath_stats_sw_info *sw_stats; - struct vxge_hw_vpath_reg __iomem *vp_reg; - - if (vpath == NULL) { - alarm_event = VXGE_HW_SET_LEVEL(VXGE_HW_EVENT_UNKNOWN, - alarm_event); - goto out2; - } - - hldev = vpath->hldev; - vp_reg = vpath->vp_reg; - alarm_status = readq(&vp_reg->vpath_general_int_status); - - if (alarm_status == VXGE_HW_ALL_FOXES) { - alarm_event = VXGE_HW_SET_LEVEL(VXGE_HW_EVENT_SLOT_FREEZE, - alarm_event); - goto out; - } - - sw_stats = vpath->sw_stats; - - if (alarm_status & ~( - VXGE_HW_VPATH_GENERAL_INT_STATUS_PIC_INT | - VXGE_HW_VPATH_GENERAL_INT_STATUS_PCI_INT | - VXGE_HW_VPATH_GENERAL_INT_STATUS_WRDMA_INT | - VXGE_HW_VPATH_GENERAL_INT_STATUS_XMAC_INT)) { - sw_stats->error_stats.unknown_alarms++; - - alarm_event = VXGE_HW_SET_LEVEL(VXGE_HW_EVENT_UNKNOWN, - alarm_event); - goto out; - } - - if (alarm_status & VXGE_HW_VPATH_GENERAL_INT_STATUS_XMAC_INT) { - - val64 = readq(&vp_reg->xgmac_vp_int_status); - - if (val64 & - VXGE_HW_XGMAC_VP_INT_STATUS_ASIC_NTWK_VP_ERR_ASIC_NTWK_VP_INT) { - - val64 = readq(&vp_reg->asic_ntwk_vp_err_reg); - - if (((val64 & - VXGE_HW_ASIC_NW_VP_ERR_REG_XMACJ_STN_FLT) && - (!(val64 & - VXGE_HW_ASIC_NW_VP_ERR_REG_XMACJ_STN_OK))) || - ((val64 & - VXGE_HW_ASIC_NW_VP_ERR_REG_XMACJ_STN_FLT_OCCURR) && - (!(val64 & - VXGE_HW_ASIC_NW_VP_ERR_REG_XMACJ_STN_OK_OCCURR) - ))) { - sw_stats->error_stats.network_sustained_fault++; - - writeq( - VXGE_HW_ASIC_NW_VP_ERR_REG_XMACJ_STN_FLT, - &vp_reg->asic_ntwk_vp_err_mask); - - __vxge_hw_device_handle_link_down_ind(hldev); - alarm_event = VXGE_HW_SET_LEVEL( - VXGE_HW_EVENT_LINK_DOWN, alarm_event); - } - - if (((val64 & - VXGE_HW_ASIC_NW_VP_ERR_REG_XMACJ_STN_OK) && - (!(val64 & - VXGE_HW_ASIC_NW_VP_ERR_REG_XMACJ_STN_FLT))) || - ((val64 & - VXGE_HW_ASIC_NW_VP_ERR_REG_XMACJ_STN_OK_OCCURR) && - (!(val64 & - VXGE_HW_ASIC_NW_VP_ERR_REG_XMACJ_STN_FLT_OCCURR) - ))) { - - sw_stats->error_stats.network_sustained_ok++; - - writeq( - VXGE_HW_ASIC_NW_VP_ERR_REG_XMACJ_STN_OK, - &vp_reg->asic_ntwk_vp_err_mask); - - __vxge_hw_device_handle_link_up_ind(hldev); - alarm_event = VXGE_HW_SET_LEVEL( - VXGE_HW_EVENT_LINK_UP, alarm_event); - } - - writeq(VXGE_HW_INTR_MASK_ALL, - &vp_reg->asic_ntwk_vp_err_reg); - - alarm_event = VXGE_HW_SET_LEVEL( - VXGE_HW_EVENT_ALARM_CLEARED, alarm_event); - - if (skip_alarms) - return VXGE_HW_OK; - } - } - - if (alarm_status & VXGE_HW_VPATH_GENERAL_INT_STATUS_PIC_INT) { - - pic_status = readq(&vp_reg->vpath_ppif_int_status); - - if (pic_status & - VXGE_HW_VPATH_PPIF_INT_STATUS_GENERAL_ERRORS_GENERAL_INT) { - - val64 = readq(&vp_reg->general_errors_reg); - mask64 = readq(&vp_reg->general_errors_mask); - - if ((val64 & - VXGE_HW_GENERAL_ERRORS_REG_INI_SERR_DET) & - ~mask64) { - sw_stats->error_stats.ini_serr_det++; - - alarm_event = VXGE_HW_SET_LEVEL( - VXGE_HW_EVENT_SERR, alarm_event); - } - - if ((val64 & - VXGE_HW_GENERAL_ERRORS_REG_DBLGEN_FIFO0_OVRFLOW) & - ~mask64) { - sw_stats->error_stats.dblgen_fifo0_overflow++; - - alarm_event = VXGE_HW_SET_LEVEL( - VXGE_HW_EVENT_FIFO_ERR, alarm_event); - } - - if ((val64 & - VXGE_HW_GENERAL_ERRORS_REG_STATSB_PIF_CHAIN_ERR) & - ~mask64) - sw_stats->error_stats.statsb_pif_chain_error++; - - if ((val64 & - VXGE_HW_GENERAL_ERRORS_REG_STATSB_DROP_TIMEOUT_REQ) & - ~mask64) - sw_stats->error_stats.statsb_drop_timeout++; - - if ((val64 & - VXGE_HW_GENERAL_ERRORS_REG_TGT_ILLEGAL_ACCESS) & - ~mask64) - sw_stats->error_stats.target_illegal_access++; - - if (!skip_alarms) { - writeq(VXGE_HW_INTR_MASK_ALL, - &vp_reg->general_errors_reg); - alarm_event = VXGE_HW_SET_LEVEL( - VXGE_HW_EVENT_ALARM_CLEARED, - alarm_event); - } - } - - if (pic_status & - VXGE_HW_VPATH_PPIF_INT_STATUS_KDFCCTL_ERRORS_KDFCCTL_INT) { - - val64 = readq(&vp_reg->kdfcctl_errors_reg); - mask64 = readq(&vp_reg->kdfcctl_errors_mask); - - if ((val64 & - VXGE_HW_KDFCCTL_ERRORS_REG_KDFCCTL_FIFO0_OVRWR) & - ~mask64) { - sw_stats->error_stats.kdfcctl_fifo0_overwrite++; - - alarm_event = VXGE_HW_SET_LEVEL( - VXGE_HW_EVENT_FIFO_ERR, - alarm_event); - } - - if ((val64 & - VXGE_HW_KDFCCTL_ERRORS_REG_KDFCCTL_FIFO0_POISON) & - ~mask64) { - sw_stats->error_stats.kdfcctl_fifo0_poison++; - - alarm_event = VXGE_HW_SET_LEVEL( - VXGE_HW_EVENT_FIFO_ERR, - alarm_event); - } - - if ((val64 & - VXGE_HW_KDFCCTL_ERRORS_REG_KDFCCTL_FIFO0_DMA_ERR) & - ~mask64) { - sw_stats->error_stats.kdfcctl_fifo0_dma_error++; - - alarm_event = VXGE_HW_SET_LEVEL( - VXGE_HW_EVENT_FIFO_ERR, - alarm_event); - } - - if (!skip_alarms) { - writeq(VXGE_HW_INTR_MASK_ALL, - &vp_reg->kdfcctl_errors_reg); - alarm_event = VXGE_HW_SET_LEVEL( - VXGE_HW_EVENT_ALARM_CLEARED, - alarm_event); - } - } - - } - - if (alarm_status & VXGE_HW_VPATH_GENERAL_INT_STATUS_WRDMA_INT) { - - val64 = readq(&vp_reg->wrdma_alarm_status); - - if (val64 & VXGE_HW_WRDMA_ALARM_STATUS_PRC_ALARM_PRC_INT) { - - val64 = readq(&vp_reg->prc_alarm_reg); - mask64 = readq(&vp_reg->prc_alarm_mask); - - if ((val64 & VXGE_HW_PRC_ALARM_REG_PRC_RING_BUMP)& - ~mask64) - sw_stats->error_stats.prc_ring_bumps++; - - if ((val64 & VXGE_HW_PRC_ALARM_REG_PRC_RXDCM_SC_ERR) & - ~mask64) { - sw_stats->error_stats.prc_rxdcm_sc_err++; - - alarm_event = VXGE_HW_SET_LEVEL( - VXGE_HW_EVENT_VPATH_ERR, - alarm_event); - } - - if ((val64 & VXGE_HW_PRC_ALARM_REG_PRC_RXDCM_SC_ABORT) - & ~mask64) { - sw_stats->error_stats.prc_rxdcm_sc_abort++; - - alarm_event = VXGE_HW_SET_LEVEL( - VXGE_HW_EVENT_VPATH_ERR, - alarm_event); - } - - if ((val64 & VXGE_HW_PRC_ALARM_REG_PRC_QUANTA_SIZE_ERR) - & ~mask64) { - sw_stats->error_stats.prc_quanta_size_err++; - - alarm_event = VXGE_HW_SET_LEVEL( - VXGE_HW_EVENT_VPATH_ERR, - alarm_event); - } - - if (!skip_alarms) { - writeq(VXGE_HW_INTR_MASK_ALL, - &vp_reg->prc_alarm_reg); - alarm_event = VXGE_HW_SET_LEVEL( - VXGE_HW_EVENT_ALARM_CLEARED, - alarm_event); - } - } - } -out: - hldev->stats.sw_dev_err_stats.vpath_alarms++; -out2: - if ((alarm_event == VXGE_HW_EVENT_ALARM_CLEARED) || - (alarm_event == VXGE_HW_EVENT_UNKNOWN)) - return VXGE_HW_OK; - - __vxge_hw_device_handle_error(hldev, vpath->vp_id, alarm_event); - - if (alarm_event == VXGE_HW_EVENT_SERR) - return VXGE_HW_ERR_CRITICAL; - - return (alarm_event == VXGE_HW_EVENT_SLOT_FREEZE) ? - VXGE_HW_ERR_SLOT_FREEZE : - (alarm_event == VXGE_HW_EVENT_FIFO_ERR) ? VXGE_HW_ERR_FIFO : - VXGE_HW_ERR_VPATH; -} - -/* * vxge_hw_vpath_alarm_process - Process Alarms. * @vpath: Virtual Path. * @skip_alarms: Do not clear the alarms |