qlge: New Qlogic 10Gb Ethernet Driver.
Signed-off-by: Ron Mercer <ron.mercer@qlogic.com> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
This commit is contained in:
150
drivers/net/qlge/qlge_mpi.c
Normal file
150
drivers/net/qlge/qlge_mpi.c
Normal file
@@ -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);
|
||||
}
|
Reference in New Issue
Block a user