]> bbs.cooldavid.org Git - net-next-2.6.git/blobdiff - drivers/net/bnx2x.c
[BNX2X]: fix HW attentions and error handling
[net-next-2.6.git] / drivers / net / bnx2x.c
index 6f987fa10a6df528d1932950415c507c2635ea7d..b99e3b72fac61cd335ba1ba996e319d614df8866 100644 (file)
@@ -4089,8 +4089,8 @@ static void bnx2x_attn_int_asserted(struct bnx2x *bp, u32 asserted)
        u32 igu_addr = (IGU_ADDR_ATTN_BITS_SET + IGU_PORT_BASE * port) * 8;
        u32 aeu_addr = port ? MISC_REG_AEU_MASK_ATTN_FUNC_1 :
                              MISC_REG_AEU_MASK_ATTN_FUNC_0;
-       u32 nig_mask_addr = port ? NIG_REG_MASK_INTERRUPT_PORT1 :
-                                  NIG_REG_MASK_INTERRUPT_PORT0;
+       u32 nig_int_mask_addr = port ? NIG_REG_MASK_INTERRUPT_PORT1 :
+                                      NIG_REG_MASK_INTERRUPT_PORT0;
 
        if (~bp->aeu_mask & (asserted & 0xff))
                BNX2X_ERR("IGU ERROR\n");
@@ -4108,15 +4108,11 @@ static void bnx2x_attn_int_asserted(struct bnx2x *bp, u32 asserted)
 
        if (asserted & ATTN_HARD_WIRED_MASK) {
                if (asserted & ATTN_NIG_FOR_FUNC) {
-                       u32 nig_status_port;
-                       u32 nig_int_addr = port ?
-                                       NIG_REG_STATUS_INTERRUPT_PORT1 :
-                                       NIG_REG_STATUS_INTERRUPT_PORT0;
 
-                       bp->nig_mask = REG_RD(bp, nig_mask_addr);
-                       REG_WR(bp, nig_mask_addr, 0);
+                       /* save nig interrupt mask */
+                       bp->nig_mask = REG_RD(bp, nig_int_mask_addr);
+                       REG_WR(bp, nig_int_mask_addr, 0);
 
-                       nig_status_port = REG_RD(bp, nig_int_addr);
                        bnx2x_link_update(bp);
 
                        /* handle unicore attn? */
@@ -4169,15 +4165,132 @@ static void bnx2x_attn_int_asserted(struct bnx2x *bp, u32 asserted)
 
        /* now set back the mask */
        if (asserted & ATTN_NIG_FOR_FUNC)
-               REG_WR(bp, nig_mask_addr, bp->nig_mask);
+               REG_WR(bp, nig_int_mask_addr, bp->nig_mask);
 }
 
-static void bnx2x_attn_int_deasserted(struct bnx2x *bp, u32 deasserted)
+static inline void bnx2x_attn_int_deasserted0(struct bnx2x *bp, u32 attn)
 {
        int port = bp->port;
-       int index;
+       int reg_offset;
+       u32 val;
+
+       if (attn & AEU_INPUTS_ATTN_BITS_SPIO5) {
+
+               reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0 :
+                                    MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0);
+
+               val = REG_RD(bp, reg_offset);
+               val &= ~AEU_INPUTS_ATTN_BITS_SPIO5;
+               REG_WR(bp, reg_offset, val);
+
+               BNX2X_ERR("SPIO5 hw attention\n");
+
+               switch (bp->board & SHARED_HW_CFG_BOARD_TYPE_MASK) {
+               case SHARED_HW_CFG_BOARD_TYPE_BCM957710A1022G:
+                       /* Fan failure attention */
+
+                       /* The PHY reset is controled by GPIO 1 */
+                       bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
+                                      MISC_REGISTERS_GPIO_OUTPUT_LOW);
+                       /* Low power mode is controled by GPIO 2 */
+                       bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
+                                      MISC_REGISTERS_GPIO_OUTPUT_LOW);
+                       /* mark the failure */
+                       bp->ext_phy_config &=
+                                       ~PORT_HW_CFG_XGXS_EXT_PHY_TYPE_MASK;
+                       bp->ext_phy_config |=
+                                       PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE;
+                       SHMEM_WR(bp,
+                                dev_info.port_hw_config[port].
+                                                       external_phy_config,
+                                bp->ext_phy_config);
+                       /* log the failure */
+                       printk(KERN_ERR PFX "Fan Failure on Network"
+                              " Controller %s has caused the driver to"
+                              " shutdown the card to prevent permanent"
+                              " damage.  Please contact Dell Support for"
+                              " assistance\n", bp->dev->name);
+                       break;
+
+               default:
+                       break;
+               }
+       }
+}
+
+static inline void bnx2x_attn_int_deasserted1(struct bnx2x *bp, u32 attn)
+{
+       u32 val;
+
+       if (attn & BNX2X_DOORQ_ASSERT) {
+
+               val = REG_RD(bp, DORQ_REG_DORQ_INT_STS_CLR);
+               BNX2X_ERR("DB hw attention 0x%x\n", val);
+               /* DORQ discard attention */
+               if (val & 0x2)
+                       BNX2X_ERR("FATAL error from DORQ\n");
+       }
+}
+
+static inline void bnx2x_attn_int_deasserted2(struct bnx2x *bp, u32 attn)
+{
+       u32 val;
+
+       if (attn & AEU_INPUTS_ATTN_BITS_CFC_HW_INTERRUPT) {
+
+               val = REG_RD(bp, CFC_REG_CFC_INT_STS_CLR);
+               BNX2X_ERR("CFC hw attention 0x%x\n", val);
+               /* CFC error attention */
+               if (val & 0x2)
+                       BNX2X_ERR("FATAL error from CFC\n");
+       }
+
+       if (attn & AEU_INPUTS_ATTN_BITS_PXP_HW_INTERRUPT) {
+
+               val = REG_RD(bp, PXP_REG_PXP_INT_STS_CLR_0);
+               BNX2X_ERR("PXP hw attention 0x%x\n", val);
+               /* RQ_USDMDP_FIFO_OVERFLOW */
+               if (val & 0x18000)
+                       BNX2X_ERR("FATAL error from PXP\n");
+       }
+}
+
+static inline void bnx2x_attn_int_deasserted3(struct bnx2x *bp, u32 attn)
+{
+       if (attn & EVEREST_GEN_ATTN_IN_USE_MASK) {
+
+               if (attn & BNX2X_MC_ASSERT_BITS) {
+
+                       BNX2X_ERR("MC assert!\n");
+                       REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_10, 0);
+                       REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_9, 0);
+                       REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_8, 0);
+                       REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_7, 0);
+                       bnx2x_panic();
+
+               } else if (attn & BNX2X_MCP_ASSERT) {
+
+                       BNX2X_ERR("MCP assert!\n");
+                       REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_11, 0);
+                       bnx2x_mc_assert(bp);
+
+               } else
+                       BNX2X_ERR("Unknown HW assert! (attn 0x%x)\n", attn);
+       }
+
+       if (attn & EVEREST_LATCHED_ATTN_IN_USE_MASK) {
+
+               REG_WR(bp, MISC_REG_AEU_CLR_LATCH_SIGNAL, 0x7ff);
+               BNX2X_ERR("LATCHED attention 0x%x (masked)\n", attn);
+       }
+}
+
+static void bnx2x_attn_int_deasserted(struct bnx2x *bp, u32 deasserted)
+{
        struct attn_route attn;
        struct attn_route group_mask;
+       int port = bp->port;
+       int index;
        u32 reg_addr;
        u32 val;
 
@@ -4198,64 +4311,14 @@ static void bnx2x_attn_int_deasserted(struct bnx2x *bp, u32 deasserted)
                        DP(NETIF_MSG_HW, "group[%d]: %llx\n", index,
                           (unsigned long long)group_mask.sig[0]);
 
-                       if (attn.sig[3] & group_mask.sig[3] &
-                           EVEREST_GEN_ATTN_IN_USE_MASK) {
-
-                               if (attn.sig[3] & BNX2X_MC_ASSERT_BITS) {
-
-                                       BNX2X_ERR("MC assert!\n");
-                                       bnx2x_panic();
-
-                               } else if (attn.sig[3] & BNX2X_MCP_ASSERT) {
-
-                                       BNX2X_ERR("MCP assert!\n");
-                                       REG_WR(bp,
-                                            MISC_REG_AEU_GENERAL_ATTN_11, 0);
-                                       bnx2x_mc_assert(bp);
-
-                               } else {
-                                       BNX2X_ERR("UNKOWEN HW ASSERT!\n");
-                               }
-                       }
-
-                       if (attn.sig[1] & group_mask.sig[1] &
-                           BNX2X_DOORQ_ASSERT) {
-
-                               val = REG_RD(bp, DORQ_REG_DORQ_INT_STS_CLR);
-                               BNX2X_ERR("DB hw attention 0x%x\n", val);
-                               /* DORQ discard attention */
-                               if (val & 0x2)
-                                       BNX2X_ERR("FATAL error from DORQ\n");
-                       }
-
-                       if (attn.sig[2] & group_mask.sig[2] &
-                           AEU_INPUTS_ATTN_BITS_CFC_HW_INTERRUPT) {
-
-                               val = REG_RD(bp, CFC_REG_CFC_INT_STS_CLR);
-                               BNX2X_ERR("CFC hw attention 0x%x\n", val);
-                               /* CFC error attention */
-                               if (val & 0x2)
-                                       BNX2X_ERR("FATAL error from CFC\n");
-                       }
-
-                       if (attn.sig[2] & group_mask.sig[2] &
-                           AEU_INPUTS_ATTN_BITS_PXP_HW_INTERRUPT) {
-
-                               val = REG_RD(bp, PXP_REG_PXP_INT_STS_CLR_0);
-                               BNX2X_ERR("PXP hw attention 0x%x\n", val);
-                               /* RQ_USDMDP_FIFO_OVERFLOW */
-                               if (val & 0x18000)
-                                       BNX2X_ERR("FATAL error from PXP\n");
-                       }
-
-                       if (attn.sig[3] & group_mask.sig[3] &
-                           EVEREST_LATCHED_ATTN_IN_USE_MASK) {
-
-                               REG_WR(bp, MISC_REG_AEU_CLR_LATCH_SIGNAL,
-                                      0x7ff);
-                               DP(NETIF_MSG_HW, "got latched bits 0x%x\n",
-                                  attn.sig[3]);
-                       }
+                       bnx2x_attn_int_deasserted3(bp,
+                                       attn.sig[3] & group_mask.sig[3]);
+                       bnx2x_attn_int_deasserted1(bp,
+                                       attn.sig[1] & group_mask.sig[1]);
+                       bnx2x_attn_int_deasserted2(bp,
+                                       attn.sig[2] & group_mask.sig[2]);
+                       bnx2x_attn_int_deasserted0(bp,
+                                       attn.sig[0] & group_mask.sig[0]);
 
                        if ((attn.sig[0] & group_mask.sig[0] &
                                                HW_INTERRUT_ASSERT_SET_0) ||
@@ -4263,7 +4326,15 @@ static void bnx2x_attn_int_deasserted(struct bnx2x *bp, u32 deasserted)
                                                HW_INTERRUT_ASSERT_SET_1) ||
                            (attn.sig[2] & group_mask.sig[2] &
                                                HW_INTERRUT_ASSERT_SET_2))
-                               BNX2X_ERR("FATAL HW block attention\n");
+                               BNX2X_ERR("FATAL HW block attention"
+                                         "  set0 0x%x  set1 0x%x"
+                                         "  set2 0x%x\n",
+                                         (attn.sig[0] & group_mask.sig[0] &
+                                          HW_INTERRUT_ASSERT_SET_0),
+                                         (attn.sig[1] & group_mask.sig[1] &
+                                          HW_INTERRUT_ASSERT_SET_1),
+                                         (attn.sig[2] & group_mask.sig[2] &
+                                          HW_INTERRUT_ASSERT_SET_2));
 
                        if ((attn.sig[0] & group_mask.sig[0] &
                                                HW_PRTY_ASSERT_SET_0) ||
@@ -4271,7 +4342,7 @@ static void bnx2x_attn_int_deasserted(struct bnx2x *bp, u32 deasserted)
                                                HW_PRTY_ASSERT_SET_1) ||
                            (attn.sig[2] & group_mask.sig[2] &
                                                HW_PRTY_ASSERT_SET_2))
-                               BNX2X_ERR("FATAL HW block parity attention\n");
+                              BNX2X_ERR("FATAL HW block parity attention\n");
                }
        }
 
@@ -4336,7 +4407,7 @@ static void bnx2x_sp_task(struct work_struct *work)
 
        /* Return here if interrupt is disabled */
        if (unlikely(atomic_read(&bp->intr_sem) != 0)) {
-               DP(NETIF_MSG_INTR, "called but intr_sem not 0, returning\n");
+               DP(BNX2X_MSG_SP, "called but intr_sem not 0, returning\n");
                return;
        }
 
@@ -4346,12 +4417,11 @@ static void bnx2x_sp_task(struct work_struct *work)
 
        DP(NETIF_MSG_INTR, "got a slowpath interrupt (updated %x)\n", status);
 
-       if (status & 0x1) {
-               /* HW attentions */
+       /* HW attentions */
+       if (status & 0x1)
                bnx2x_attn_int(bp);
-       }
 
-       /* CStorm events: query_stats, cfc delete ramrods */
+       /* CStorm events: query_stats, port delete ramrod */
        if (status & 0x2)
                bp->stat_pending = 0;
 
@@ -4365,6 +4435,7 @@ static void bnx2x_sp_task(struct work_struct *work)
                     IGU_INT_NOP, 1);
        bnx2x_ack_sb(bp, DEF_SB_ID, TSTORM_ID, le16_to_cpu(bp->def_t_idx),
                     IGU_INT_ENABLE, 1);
+
 }
 
 static irqreturn_t bnx2x_msix_sp_int(int irq, void *dev_instance)
@@ -4374,11 +4445,11 @@ static irqreturn_t bnx2x_msix_sp_int(int irq, void *dev_instance)
 
        /* Return here if interrupt is disabled */
        if (unlikely(atomic_read(&bp->intr_sem) != 0)) {
-               DP(NETIF_MSG_INTR, "called but intr_sem not 0, returning\n");
+               DP(BNX2X_MSG_SP, "called but intr_sem not 0, returning\n");
                return IRQ_HANDLED;
        }
 
-       bnx2x_ack_sb(bp, 16, XSTORM_ID, 0, IGU_INT_DISABLE, 0);
+       bnx2x_ack_sb(bp, DEF_SB_ID, XSTORM_ID, 0, IGU_INT_DISABLE, 0);
 
 #ifdef BNX2X_STOP_ON_ERROR
        if (unlikely(bp->panic))