diff options
Diffstat (limited to 'drivers/net/qlge/qlge_mpi.c')
| -rw-r--r-- | drivers/net/qlge/qlge_mpi.c | 73 |
1 files changed, 73 insertions, 0 deletions
diff --git a/drivers/net/qlge/qlge_mpi.c b/drivers/net/qlge/qlge_mpi.c index e2b2286..242b1ea 100644 --- a/drivers/net/qlge/qlge_mpi.c +++ b/drivers/net/qlge/qlge_mpi.c @@ -1,5 +1,35 @@ #include "qlge.h" +int ql_unpause_mpi_risc(struct ql_adapter *qdev) +{ + u32 tmp; + + /* Un-pause the RISC */ + tmp = ql_read32(qdev, CSR); + if (!(tmp & CSR_RP)) + return -EIO; + + ql_write32(qdev, CSR, CSR_CMD_CLR_PAUSE); + return 0; +} + +int ql_pause_mpi_risc(struct ql_adapter *qdev) +{ + u32 tmp; + int count = UDELAY_COUNT; + + /* Pause the RISC */ + ql_write32(qdev, CSR, CSR_CMD_SET_PAUSE); + do { + tmp = ql_read32(qdev, CSR); + if (tmp & CSR_RP) + break; + mdelay(UDELAY_DELAY); + count--; + } while (count); + return (count == 0) ? -ETIMEDOUT : 0; +} + int ql_read_mpi_reg(struct ql_adapter *qdev, u32 reg, u32 *data) { int status; @@ -45,6 +75,35 @@ int ql_soft_reset_mpi_risc(struct ql_adapter *qdev) return status; } +/* Determine if we are in charge of the firwmare. If + * we are the lower of the 2 NIC pcie functions, or if + * we are the higher function and the lower function + * is not enabled. + */ +int ql_own_firmware(struct ql_adapter *qdev) +{ + u32 temp; + + /* If we are the lower of the 2 NIC functions + * on the chip the we are responsible for + * core dump and firmware reset after an error. + */ + if (qdev->func < qdev->alt_func) + return 1; + + /* If we are the higher of the 2 NIC functions + * on the chip and the lower function is not + * enabled, then we are responsible for + * core dump and firmware reset after an error. + */ + temp = ql_read32(qdev, STS); + if (!(temp & (1 << (8 + qdev->alt_func)))) + return 1; + + return 0; + +} + static int ql_get_mb_sts(struct ql_adapter *qdev, struct mbox_params *mbcp) { int i, status; @@ -1143,5 +1202,19 @@ void ql_mpi_reset_work(struct work_struct *work) cancel_delayed_work_sync(&qdev->mpi_work); cancel_delayed_work_sync(&qdev->mpi_port_cfg_work); cancel_delayed_work_sync(&qdev->mpi_idc_work); + /* If we're not the dominant NIC function, + * then there is nothing to do. + */ + if (!ql_own_firmware(qdev)) { + QPRINTK(qdev, DRV, ERR, "Don't own firmware!\n"); + return; + } + + if (!ql_core_dump(qdev, qdev->mpi_coredump)) { + QPRINTK(qdev, DRV, ERR, "Core is dumped!\n"); + qdev->core_is_dumped = 1; + queue_delayed_work(qdev->workqueue, + &qdev->mpi_core_to_log, 5 * HZ); + } ql_soft_reset_mpi_risc(qdev); } |