diff options
| author | Sathya Perla <sathyap@serverengines.com> | 2010-02-14 21:22:01 (GMT) |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2010-02-16 05:49:51 (GMT) |
| commit | cf588477a3fbf085426e5c0b6205984ebb7e2187 (patch) | |
| tree | 3c5cf63269e443fa5c0518581526017774fa5888 /drivers/net/benet/be_cmds.c | |
| parent | 0dca3a843632c2fbb6e358734fb08fc23e800f50 (diff) | |
| download | linux-fsl-qoriq-cf588477a3fbf085426e5c0b6205984ebb7e2187.tar.xz | |
be2net: implement EEH pci error recovery handlers
The code has been tested on IBM pSeries server.
Signed-off-by: Sathya Perla <sathyap@serverengines.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/benet/be_cmds.c')
| -rw-r--r-- | drivers/net/benet/be_cmds.c | 23 |
1 files changed, 22 insertions, 1 deletions
diff --git a/drivers/net/benet/be_cmds.c b/drivers/net/benet/be_cmds.c index d1a0e5e..3397ee3 100644 --- a/drivers/net/benet/be_cmds.c +++ b/drivers/net/benet/be_cmds.c @@ -167,7 +167,14 @@ static int be_mbox_db_ready_wait(struct be_adapter *adapter, void __iomem *db) u32 ready; do { - ready = ioread32(db) & MPU_MAILBOX_DB_RDY_MASK; + ready = ioread32(db); + if (ready == 0xffffffff) { + dev_err(&adapter->pdev->dev, + "pci slot disconnected\n"); + return -1; + } + + ready &= MPU_MAILBOX_DB_RDY_MASK; if (ready) break; @@ -198,6 +205,11 @@ static int be_mbox_notify_wait(struct be_adapter *adapter) struct be_mcc_mailbox *mbox = mbox_mem->va; struct be_mcc_compl *compl = &mbox->compl; + /* wait for ready to be set */ + status = be_mbox_db_ready_wait(adapter, db); + if (status != 0) + return status; + val |= MPU_MAILBOX_DB_HI_MASK; /* at bits 2 - 31 place mbox dma addr msb bits 34 - 63 */ val |= (upper_32_bits(mbox_mem->dma) >> 2) << 2; @@ -396,6 +408,9 @@ int be_cmd_fw_clean(struct be_adapter *adapter) u8 *wrb; int status; + if (adapter->eeh_err) + return -EIO; + spin_lock(&adapter->mbox_lock); wrb = (u8 *)wrb_from_mbox(adapter); @@ -768,6 +783,9 @@ int be_cmd_q_destroy(struct be_adapter *adapter, struct be_queue_info *q, u8 subsys = 0, opcode = 0; int status; + if (adapter->eeh_err) + return -EIO; + spin_lock(&adapter->mbox_lock); wrb = wrb_from_mbox(adapter); @@ -856,6 +874,9 @@ int be_cmd_if_destroy(struct be_adapter *adapter, u32 interface_id) struct be_cmd_req_if_destroy *req; int status; + if (adapter->eeh_err) + return -EIO; + spin_lock(&adapter->mbox_lock); wrb = wrb_from_mbox(adapter); |