diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2008-10-11 09:33:18 -0700 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-10-11 09:33:18 -0700 |
commit | 4dd9ec4946b4651a295d3bc8df9c15ac692a8f4e (patch) | |
tree | afb300c752de7175bb2df4722d5c857e070c75d9 /drivers/net/qlge/qlge_mpi.c | |
parent | 86ed5a93b8b56e4e0877b914af0e10883a196384 (diff) | |
parent | 6861ff35ec5b60fafaf8651754c9a75142bfa9a4 (diff) |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next-2.6: (1075 commits)
myri10ge: update driver version number to 1.4.3-1.369
r8169: add shutdown handler
r8169: preliminary 8168d support
r8169: support additional 8168cp chipset
r8169: change default behavior for mildly identified 8168c chipsets
r8169: add a new 8168cp flavor
r8169: add a new 8168c flavor (bis)
r8169: add a new 8168c flavor
r8169: sync existing 8168 device hardware start sequences with vendor driver
r8169: 8168b Tx performance tweak
r8169: make room for more specific 8168 hardware start procedure
r8169: shuffle some registers handling around (8168 operation only)
r8169: new phy init parameters for the 8168b
r8169: update phy init parameters
r8169: wake up the PHY of the 8168
af_key: fix SADB_X_SPDDELETE response
ath9k: Fix return code when ath9k_hw_setpower() fails on reset
ath9k: remove nasty FAIL macro from ath9k_hw_reset()
gre: minor cleanups in netlink interface
gre: fix copy and paste error
...
Diffstat (limited to 'drivers/net/qlge/qlge_mpi.c')
-rw-r--r-- | drivers/net/qlge/qlge_mpi.c | 150 |
1 files changed, 150 insertions, 0 deletions
diff --git a/drivers/net/qlge/qlge_mpi.c b/drivers/net/qlge/qlge_mpi.c new file mode 100644 index 000000000000..24fe344bcf1f --- /dev/null +++ b/drivers/net/qlge/qlge_mpi.c @@ -0,0 +1,150 @@ +#include "qlge.h" + +static int ql_read_mbox_reg(struct ql_adapter *qdev, u32 reg, u32 *data) +{ + int status; + /* wait for reg to come ready */ + status = ql_wait_reg_rdy(qdev, PROC_ADDR, PROC_ADDR_RDY, PROC_ADDR_ERR); + if (status) + goto exit; + /* set up for reg read */ + ql_write32(qdev, PROC_ADDR, reg | PROC_ADDR_R); + /* wait for reg to come ready */ + status = ql_wait_reg_rdy(qdev, PROC_ADDR, PROC_ADDR_RDY, PROC_ADDR_ERR); + if (status) + goto exit; + /* get the data */ + *data = ql_read32(qdev, PROC_DATA); +exit: + return status; +} + +int ql_get_mb_sts(struct ql_adapter *qdev, struct mbox_params *mbcp) +{ + int i, status; + + status = ql_sem_spinlock(qdev, SEM_PROC_REG_MASK); + if (status) + return -EBUSY; + for (i = 0; i < mbcp->out_count; i++) { + status = + ql_read_mbox_reg(qdev, qdev->mailbox_out + i, + &mbcp->mbox_out[i]); + if (status) { + QPRINTK(qdev, DRV, ERR, "Failed mailbox read.\n"); + break; + } + } + ql_sem_unlock(qdev, SEM_PROC_REG_MASK); /* does flush too */ + return status; +} + +static void ql_link_up(struct ql_adapter *qdev, struct mbox_params *mbcp) +{ + mbcp->out_count = 2; + + if (ql_get_mb_sts(qdev, mbcp)) + goto exit; + + qdev->link_status = mbcp->mbox_out[1]; + QPRINTK(qdev, DRV, ERR, "Link Up.\n"); + QPRINTK(qdev, DRV, INFO, "Link Status = 0x%.08x.\n", mbcp->mbox_out[1]); + if (!netif_carrier_ok(qdev->ndev)) { + QPRINTK(qdev, LINK, INFO, "Link is Up.\n"); + netif_carrier_on(qdev->ndev); + netif_wake_queue(qdev->ndev); + } +exit: + /* Clear the MPI firmware status. */ + ql_write32(qdev, CSR, CSR_CMD_CLR_R2PCI_INT); +} + +static void ql_link_down(struct ql_adapter *qdev, struct mbox_params *mbcp) +{ + mbcp->out_count = 3; + + if (ql_get_mb_sts(qdev, mbcp)) { + QPRINTK(qdev, DRV, ERR, "Firmware did not initialize!\n"); + goto exit; + } + + if (netif_carrier_ok(qdev->ndev)) { + QPRINTK(qdev, LINK, INFO, "Link is Down.\n"); + netif_carrier_off(qdev->ndev); + netif_stop_queue(qdev->ndev); + } + QPRINTK(qdev, DRV, ERR, "Link Down.\n"); + QPRINTK(qdev, DRV, ERR, "Link Status = 0x%.08x.\n", mbcp->mbox_out[1]); +exit: + /* Clear the MPI firmware status. */ + ql_write32(qdev, CSR, CSR_CMD_CLR_R2PCI_INT); +} + +static void ql_init_fw_done(struct ql_adapter *qdev, struct mbox_params *mbcp) +{ + mbcp->out_count = 2; + + if (ql_get_mb_sts(qdev, mbcp)) { + QPRINTK(qdev, DRV, ERR, "Firmware did not initialize!\n"); + goto exit; + } + QPRINTK(qdev, DRV, ERR, "Firmware initialized!\n"); + QPRINTK(qdev, DRV, ERR, "Firmware status = 0x%.08x.\n", + mbcp->mbox_out[0]); + QPRINTK(qdev, DRV, ERR, "Firmware Revision = 0x%.08x.\n", + mbcp->mbox_out[1]); +exit: + /* Clear the MPI firmware status. */ + ql_write32(qdev, CSR, CSR_CMD_CLR_R2PCI_INT); +} + +void ql_mpi_work(struct work_struct *work) +{ + struct ql_adapter *qdev = + container_of(work, struct ql_adapter, mpi_work.work); + struct mbox_params mbc; + struct mbox_params *mbcp = &mbc; + mbcp->out_count = 1; + + while (ql_read32(qdev, STS) & STS_PI) { + if (ql_get_mb_sts(qdev, mbcp)) { + QPRINTK(qdev, DRV, ERR, + "Could not read MPI, resetting ASIC!\n"); + ql_queue_asic_error(qdev); + } + + switch (mbcp->mbox_out[0]) { + case AEN_LINK_UP: + ql_link_up(qdev, mbcp); + break; + case AEN_LINK_DOWN: + ql_link_down(qdev, mbcp); + break; + case AEN_FW_INIT_DONE: + ql_init_fw_done(qdev, mbcp); + break; + case MB_CMD_STS_GOOD: + break; + case AEN_FW_INIT_FAIL: + case AEN_SYS_ERR: + case MB_CMD_STS_ERR: + ql_queue_fw_error(qdev); + default: + /* Clear the MPI firmware status. */ + ql_write32(qdev, CSR, CSR_CMD_CLR_R2PCI_INT); + break; + } + } + ql_enable_completion_interrupt(qdev, 0); +} + +void ql_mpi_reset_work(struct work_struct *work) +{ + struct ql_adapter *qdev = + container_of(work, struct ql_adapter, mpi_reset_work.work); + QPRINTK(qdev, DRV, ERR, + "Enter, qdev = %p..\n", qdev); + ql_write32(qdev, CSR, CSR_CMD_SET_RST); + msleep(50); + ql_write32(qdev, CSR, CSR_CMD_CLR_RST); +} |