BNX2_PCICFG_REG_WINDOW
BNX2_WR(bp, BNX2_PCICFG_REG_WINDOW, msg);
val = BNX2_RD(bp, BNX2_PCICFG_REG_WINDOW);
BNX2_WR(bp, BNX2_PCICFG_REG_WINDOW, val);