[SCSI] qla2xxx: Add Fibre Channel Event (FCE) tracing support.

[safe/jmp/linux-2.6] / drivers / scsi / qla2xxx / qla_dbg.c

diff --git a/drivers/scsi/qla2xxx/qla_dbg.c b/drivers/scsi/qla2xxx/qla_dbg.c
index 796c4ce..d88e98c 100644 (file)
--- a/drivers/scsi/qla2xxx/qla_dbg.c
+++ b/drivers/scsi/qla2xxx/qla_dbg.c
@@ -1051,6 +1051,7 @@ qla25xx_fw_dump(scsi_qla_host_t *ha, int hardware_locked)
        struct qla25xx_fw_dump *fw;
        uint32_t        ext_mem_cnt;
        void            *nxt;
+       struct qla2xxx_fce_chain *fcec;
 
        risc_address = ext_mem_cnt = 0;
        flags = 0;
@@ -1321,10 +1322,31 @@ qla25xx_fw_dump(scsi_qla_host_t *ha, int hardware_locked)
        if (rval != QLA_SUCCESS)
                goto qla25xx_fw_dump_failed_0;
 
+       /* Fibre Channel Trace Buffer. */
        nxt = qla2xxx_copy_queues(ha, nxt);
        if (ha->eft)
                memcpy(nxt, ha->eft, ntohl(ha->fw_dump->eft_size));
 
+       /* Fibre Channel Event Buffer. */
+       if (!ha->fce)
+               goto qla25xx_fw_dump_failed_0;
+
+       ha->fw_dump->version |= __constant_htonl(DUMP_CHAIN_VARIANT);
+
+       fcec = nxt + ntohl(ha->fw_dump->eft_size);
+       fcec->type = __constant_htonl(DUMP_CHAIN_FCE | DUMP_CHAIN_LAST);
+       fcec->chain_size = htonl(sizeof(struct qla2xxx_fce_chain) +
+           fce_calc_size(ha->fce_bufs));
+       fcec->size = htonl(fce_calc_size(ha->fce_bufs));
+       fcec->addr_l = htonl(LSD(ha->fce_dma));
+       fcec->addr_h = htonl(MSD(ha->fce_dma));
+
+       iter_reg = fcec->eregs;
+       for (cnt = 0; cnt < 8; cnt++)
+               *iter_reg++ = htonl(ha->fce_mb[cnt]);
+
+       memcpy(iter_reg, ha->fce, ntohl(fcec->size));
+
 qla25xx_fw_dump_failed_0:
        if (rval != QLA_SUCCESS) {
                qla_printk(KERN_WARNING, ha,