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authorLinus Torvalds <torvalds@linux-foundation.org>2008-10-11 09:33:18 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2008-10-11 09:33:18 -0700
commit4dd9ec4946b4651a295d3bc8df9c15ac692a8f4e (patch)
treeafb300c752de7175bb2df4722d5c857e070c75d9 /drivers/net/qlge/qlge_mpi.c
parent86ed5a93b8b56e4e0877b914af0e10883a196384 (diff)
parent6861ff35ec5b60fafaf8651754c9a75142bfa9a4 (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.c150
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 00000000000..24fe344bcf1
--- /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);
+}