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Date: Mon, 11 Jan 2010 17:12:59 -0800
From: Ron Mercer <ron.mercer@...gic.com>
To: davem@...emloft.net
Cc: netdev@...r.kernel.org, ron.mercer@...gic.com
Subject: [net-next PATCH 2/8] qlge: Add basic firmware dump.
Adding the infrstructure and basic data for the firmware
core dump.
Signed-off-by: Ron Mercer <ron.mercer@...gic.com>
---
drivers/net/qlge/qlge.h | 6 +
drivers/net/qlge/qlge_dbg.c | 544 ++++++++++++++++++++++++++++++++++++++++++
drivers/net/qlge/qlge_main.c | 19 ++
drivers/net/qlge/qlge_mpi.c | 78 ++++++
4 files changed, 647 insertions(+), 0 deletions(-)
diff --git a/drivers/net/qlge/qlge.h b/drivers/net/qlge/qlge.h
index 0094263..826ca54 100644
--- a/drivers/net/qlge/qlge.h
+++ b/drivers/net/qlge/qlge.h
@@ -2101,6 +2101,7 @@ extern int ql_write_cfg(struct ql_adapter *qdev, void *ptr, int size, u32 bit,
void ql_queue_fw_error(struct ql_adapter *qdev);
void ql_mpi_work(struct work_struct *work);
void ql_mpi_reset_work(struct work_struct *work);
+void ql_mpi_core_to_log(struct work_struct *work);
int ql_wait_reg_rdy(struct ql_adapter *qdev, u32 reg, u32 bit, u32 ebit);
void ql_queue_asic_error(struct ql_adapter *qdev);
u32 ql_enable_completion_interrupt(struct ql_adapter *qdev, u32 intr);
@@ -2111,6 +2112,11 @@ void ql_mpi_port_cfg_work(struct work_struct *work);
int ql_mb_get_fw_state(struct ql_adapter *qdev);
int ql_cam_route_initialize(struct ql_adapter *qdev);
int ql_read_mpi_reg(struct ql_adapter *qdev, u32 reg, u32 *data);
+int ql_write_mpi_reg(struct ql_adapter *qdev, u32 reg, u32 data);
+int ql_unpause_mpi_risc(struct ql_adapter *qdev);
+int ql_pause_mpi_risc(struct ql_adapter *qdev);
+int ql_core_dump(struct ql_adapter *qdev,
+ struct ql_mpi_coredump *mpi_coredump);
int ql_mb_about_fw(struct ql_adapter *qdev);
int ql_wol(struct ql_adapter *qdev);
int ql_mb_wol_set_magic(struct ql_adapter *qdev, u32 enable_wol);
diff --git a/drivers/net/qlge/qlge_dbg.c b/drivers/net/qlge/qlge_dbg.c
index 9f58c47..bacad16 100644
--- a/drivers/net/qlge/qlge_dbg.c
+++ b/drivers/net/qlge/qlge_dbg.c
@@ -1,6 +1,30 @@
#include "qlge.h"
+/* Read out the SERDES registers */
+int ql_read_serdes_reg(struct ql_adapter *qdev, u32 reg, u32 * data)
+{
+ int status;
+
+ /* wait for reg to come ready */
+ status = ql_wait_reg_rdy(qdev, XG_SERDES_ADDR, XG_SERDES_ADDR_RDY, 0);
+ if (status)
+ goto exit;
+
+ /* set up for reg read */
+ ql_write32(qdev, XG_SERDES_ADDR, reg | PROC_ADDR_R);
+ /* wait for reg to come ready */
+ status = ql_wait_reg_rdy(qdev, XG_SERDES_ADDR, XG_SERDES_ADDR_RDY, 0);
+ if (status)
+ goto exit;
+
+ /* get the data */
+ *data = ql_read32(qdev, XG_SERDES_DATA);
+exit:
+ return status;
+}
+
+/* Read out the ETS registers */
static int ql_get_ets_regs(struct ql_adapter *qdev, u32 * buf)
{
int status = 0;
@@ -19,6 +43,7 @@ static int ql_get_ets_regs(struct ql_adapter *qdev, u32 * buf)
return status;
}
+/* For each RX Ring, read the interrupt enable register */
static void ql_get_intr_states(struct ql_adapter *qdev, u32 * buf)
{
int i;
@@ -91,6 +116,165 @@ err:
return status;
}
+/* Read the MPI Processor shadow registers */
+static int ql_get_mpi_shadow_regs(struct ql_adapter *qdev, u32 * buf)
+{
+ u32 i;
+ int status;
+
+ for (i = 0; i < MPI_CORE_SH_REGS_CNT; i++, buf++) {
+ status = ql_write_mpi_reg(qdev, RISC_124,
+ (SHADOW_OFFSET | i << 20));
+ if (status)
+ goto end;
+ status = ql_read_mpi_reg(qdev, RISC_127, buf);
+ if (status)
+ goto end;
+ }
+end:
+ return status;
+}
+
+/* Read the MPI Processor core registers */
+static int ql_get_mpi_regs(struct ql_adapter *qdev, u32 * buf,
+ u32 offset, u32 count)
+{
+ int i, status = 0;
+ for (i = 0; i < count; i++, buf++) {
+ status = ql_read_mpi_reg(qdev, offset + i, buf);
+ if (status)
+ return status;
+ }
+ return status;
+}
+
+
+/* Read out the routing index registers */
+static int ql_get_routing_index_registers(struct ql_adapter *qdev, u32 *buf)
+{
+ int status;
+ u32 type, index, index_max;
+ u32 result_index;
+ u32 result_data;
+ u32 val;
+
+ status = ql_sem_spinlock(qdev, SEM_RT_IDX_MASK);
+ if (status)
+ return status;
+
+ for (type = 0; type < 4; type++) {
+ if (type < 2)
+ index_max = 8;
+ else
+ index_max = 16;
+ for (index = 0; index < index_max; index++) {
+ val = 0x04000000 | (type << 16) | (index << 8);
+ ql_write32(qdev, RT_IDX, val);
+ result_index = 0;
+ while ((result_index & 0x40000000) == 0)
+ result_index = ql_read32(qdev, RT_IDX);
+ result_data = ql_read32(qdev, RT_DATA);
+ *buf = type;
+ buf++;
+ *buf = index;
+ buf++;
+ *buf = result_index;
+ buf++;
+ *buf = result_data;
+ buf++;
+ }
+ }
+ ql_sem_unlock(qdev, SEM_RT_IDX_MASK);
+ return status;
+}
+
+/* Read out the MAC protocol registers */
+static void ql_get_mac_protocol_registers(struct ql_adapter *qdev, u32 *buf)
+{
+ u32 result_index, result_data;
+ u32 type;
+ u32 index;
+ u32 offset;
+ u32 val;
+ u32 initial_val = 0;
+ u32 max_index;
+ u32 max_offset;
+
+ for (type = 0; type < NUM_TYPES; type++) {
+ switch (type) {
+
+ case 0: /* CAM */
+ initial_val = RS_AND_ADR;
+ max_index = 512;
+ max_offset = 3;
+ break;
+ case 1: /* Multicast MAC Address */
+ initial_val = RS_ONLY;
+ max_index = 32;
+ max_offset = 2;
+ break;
+ case 2: /* VLAN filter mask */
+ case 3: /* MC filter mask */
+ initial_val = RS_ONLY;
+ max_index = 4096;
+ max_offset = 1;
+ break;
+ case 4: /* FC MAC addresses */
+ initial_val = RS_ONLY;
+ max_index = 4;
+ max_offset = 2;
+ break;
+ case 5: /* Mgmt MAC addresses */
+ initial_val = RS_ONLY;
+ max_index = 8;
+ max_offset = 2;
+ break;
+ case 6: /* Mgmt VLAN addresses */
+ initial_val = RS_ONLY;
+ max_index = 16;
+ max_offset = 1;
+ break;
+ case 7: /* Mgmt IPv4 address */
+ initial_val = RS_ONLY;
+ max_index = 4;
+ max_offset = 1;
+ break;
+ case 8: /* Mgmt IPv6 address */
+ initial_val = RS_ONLY;
+ max_index = 4;
+ max_offset = 4;
+ break;
+ case 9: /* Mgmt TCP/UDP Dest port */
+ initial_val = RS_ONLY;
+ max_index = 4;
+ max_offset = 1;
+ break;
+ default:
+ printk(KERN_ERR "Bad type!!! 0x%08x\n", type);
+ max_index = 0;
+ max_offset = 0;
+ break;
+ }
+ for (index = 0; index < max_index; index++) {
+ for (offset = 0; offset < max_offset; offset++) {
+ val = initial_val | (type << 16) |
+ (index << 4) | (offset);
+ ql_write32(qdev, MAC_ADDR_IDX, val);
+ result_index = 0;
+ while ((result_index & 0x40000000) == 0) {
+ result_index = ql_read32(qdev,
+ MAC_ADDR_IDX);
+ }
+ result_data = ql_read32(qdev, MAC_ADDR_DATA);
+ *buf = result_index;
+ buf++;
+ *buf = result_data;
+ buf++;
+ }
+ }
+ }
+}
+
/* Create a coredump segment header */
static void ql_build_coredump_seg_header(
struct mpi_coredump_segment_header *seg_hdr,
@@ -103,6 +287,339 @@ static void ql_build_coredump_seg_header(
memcpy(seg_hdr->description, desc, (sizeof(seg_hdr->description)) - 1);
}
+
+/*
+ * This function should be called when a coredump / probedump
+ * is to be extracted from the HBA. It is assumed there is a
+ * qdev structure that contains the base address of the register
+ * space for this function as well as a coredump structure that
+ * will contain the dump.
+ */
+int ql_core_dump(struct ql_adapter *qdev, struct ql_mpi_coredump *mpi_coredump)
+{
+ int status;
+ int i;
+ unsigned int func_num, reg, reg_val;
+
+ if (!mpi_coredump) {
+ QPRINTK(qdev, DRV, ERR,
+ "No memory available.\n");
+ return -ENOMEM;
+ }
+
+ /* Try to get the spinlock, but dont worry if
+ * it isn't available. If the firmware died it
+ * might be holding the sem.
+ */
+ ql_sem_spinlock(qdev, SEM_PROC_REG_MASK);
+
+ status = ql_pause_mpi_risc(qdev);
+ if (status) {
+ QPRINTK(qdev, DRV, ERR,
+ "Failed RISC pause. Status = 0x%.08x\n", status);
+ goto err;
+ }
+
+ /* Insert the global header */
+ memset(&(mpi_coredump->mpi_global_header), 0,
+ sizeof(struct mpi_coredump_global_header));
+ mpi_coredump->mpi_global_header.cookie = MPI_COREDUMP_COOKIE;
+ mpi_coredump->mpi_global_header.headerSize =
+ sizeof(struct mpi_coredump_global_header);
+ mpi_coredump->mpi_global_header.imageSize =
+ sizeof(struct ql_mpi_coredump);
+ memcpy(mpi_coredump->mpi_global_header.idString, "MPI Coredump",
+ sizeof(mpi_coredump->mpi_global_header.idString));
+
+ /* Get generic NIC reg dump */
+ ql_build_coredump_seg_header(&mpi_coredump->nic_regs_seg_hdr,
+ NIC1_CONTROL_SEG_NUM,
+ sizeof(struct mpi_coredump_segment_header) +
+ sizeof(mpi_coredump->nic_regs), "NIC1 Registers");
+
+ if (qdev->func & 1) {
+ /* Odd means our function is NIC 2 */
+ for (i = 0; i < 64; i++)
+ mpi_coredump->nic2_regs[i] =
+ ql_read32(qdev, i * sizeof(u32));
+ } else {
+ /* Even means our function is NIC 1 */
+ for (i = 0; i < 64; i++)
+ mpi_coredump->nic_regs[i] =
+ ql_read32(qdev, i * sizeof(u32));
+ }
+
+ ql_build_coredump_seg_header(&mpi_coredump->core_regs_seg_hdr,
+ CORE_SEG_NUM,
+ sizeof(mpi_coredump->core_regs_seg_hdr) +
+ sizeof(mpi_coredump->mpi_core_regs) +
+ sizeof(mpi_coredump->mpi_core_sh_regs),
+ "Core Registers");
+
+ /* Get the MPI Core Registers */
+ status = ql_get_mpi_regs(qdev, &mpi_coredump->mpi_core_regs[0],
+ MPI_CORE_REGS_ADDR, MPI_CORE_REGS_CNT);
+ if (status)
+ goto err;
+ /* Get the 16 MPI shadow registers */
+ status = ql_get_mpi_shadow_regs(qdev,
+ &mpi_coredump->mpi_core_sh_regs[0]);
+ if (status)
+ goto err;
+
+ /* Get the Test Logic Registers */
+ ql_build_coredump_seg_header(&mpi_coredump->test_logic_regs_seg_hdr,
+ TEST_LOGIC_SEG_NUM,
+ sizeof(struct mpi_coredump_segment_header)
+ + sizeof(mpi_coredump->test_logic_regs),
+ "Test Logic Regs");
+ status = ql_get_mpi_regs(qdev, &mpi_coredump->test_logic_regs[0],
+ TEST_REGS_ADDR, TEST_REGS_CNT);
+ if (status)
+ goto err;
+
+ /* Get the RMII Registers */
+ ql_build_coredump_seg_header(&mpi_coredump->rmii_regs_seg_hdr,
+ RMII_SEG_NUM,
+ sizeof(struct mpi_coredump_segment_header)
+ + sizeof(mpi_coredump->rmii_regs),
+ "RMII Registers");
+ status = ql_get_mpi_regs(qdev, &mpi_coredump->rmii_regs[0],
+ RMII_REGS_ADDR, RMII_REGS_CNT);
+ if (status)
+ goto err;
+
+ /* Get the FCMAC1 Registers */
+ ql_build_coredump_seg_header(&mpi_coredump->fcmac1_regs_seg_hdr,
+ FCMAC1_SEG_NUM,
+ sizeof(struct mpi_coredump_segment_header)
+ + sizeof(mpi_coredump->fcmac1_regs),
+ "FCMAC1 Registers");
+ status = ql_get_mpi_regs(qdev, &mpi_coredump->fcmac1_regs[0],
+ FCMAC1_REGS_ADDR, FCMAC_REGS_CNT);
+ if (status)
+ goto err;
+
+ /* Get the FCMAC2 Registers */
+
+ ql_build_coredump_seg_header(&mpi_coredump->fcmac2_regs_seg_hdr,
+ FCMAC2_SEG_NUM,
+ sizeof(struct mpi_coredump_segment_header)
+ + sizeof(mpi_coredump->fcmac2_regs),
+ "FCMAC2 Registers");
+
+ status = ql_get_mpi_regs(qdev, &mpi_coredump->fcmac2_regs[0],
+ FCMAC2_REGS_ADDR, FCMAC_REGS_CNT);
+ if (status)
+ goto err;
+
+ /* Get the FC1 MBX Registers */
+ ql_build_coredump_seg_header(&mpi_coredump->fc1_mbx_regs_seg_hdr,
+ FC1_MBOX_SEG_NUM,
+ sizeof(struct mpi_coredump_segment_header)
+ + sizeof(mpi_coredump->fc1_mbx_regs),
+ "FC1 MBox Regs");
+ status = ql_get_mpi_regs(qdev, &mpi_coredump->fc1_mbx_regs[0],
+ FC1_MBX_REGS_ADDR, FC_MBX_REGS_CNT);
+ if (status)
+ goto err;
+
+ /* Get the IDE Registers */
+ ql_build_coredump_seg_header(&mpi_coredump->ide_regs_seg_hdr,
+ IDE_SEG_NUM,
+ sizeof(struct mpi_coredump_segment_header)
+ + sizeof(mpi_coredump->ide_regs),
+ "IDE Registers");
+ status = ql_get_mpi_regs(qdev, &mpi_coredump->ide_regs[0],
+ IDE_REGS_ADDR, IDE_REGS_CNT);
+ if (status)
+ goto err;
+
+ /* Get the NIC1 MBX Registers */
+ ql_build_coredump_seg_header(&mpi_coredump->nic1_mbx_regs_seg_hdr,
+ NIC1_MBOX_SEG_NUM,
+ sizeof(struct mpi_coredump_segment_header)
+ + sizeof(mpi_coredump->nic1_mbx_regs),
+ "NIC1 MBox Regs");
+ status = ql_get_mpi_regs(qdev, &mpi_coredump->nic1_mbx_regs[0],
+ NIC1_MBX_REGS_ADDR, NIC_MBX_REGS_CNT);
+ if (status)
+ goto err;
+
+ /* Get the SMBus Registers */
+ ql_build_coredump_seg_header(&mpi_coredump->smbus_regs_seg_hdr,
+ SMBUS_SEG_NUM,
+ sizeof(struct mpi_coredump_segment_header)
+ + sizeof(mpi_coredump->smbus_regs),
+ "SMBus Registers");
+ status = ql_get_mpi_regs(qdev, &mpi_coredump->smbus_regs[0],
+ SMBUS_REGS_ADDR, SMBUS_REGS_CNT);
+ if (status)
+ goto err;
+
+ /* Get the FC2 MBX Registers */
+ ql_build_coredump_seg_header(&mpi_coredump->fc2_mbx_regs_seg_hdr,
+ FC2_MBOX_SEG_NUM,
+ sizeof(struct mpi_coredump_segment_header)
+ + sizeof(mpi_coredump->fc2_mbx_regs),
+ "FC2 MBox Regs");
+ status = ql_get_mpi_regs(qdev, &mpi_coredump->fc2_mbx_regs[0],
+ FC2_MBX_REGS_ADDR, FC_MBX_REGS_CNT);
+ if (status)
+ goto err;
+
+ /* Get the NIC2 MBX Registers */
+ ql_build_coredump_seg_header(&mpi_coredump->nic2_mbx_regs_seg_hdr,
+ NIC2_MBOX_SEG_NUM,
+ sizeof(struct mpi_coredump_segment_header)
+ + sizeof(mpi_coredump->nic2_mbx_regs),
+ "NIC2 MBox Regs");
+ status = ql_get_mpi_regs(qdev, &mpi_coredump->nic2_mbx_regs[0],
+ NIC2_MBX_REGS_ADDR, NIC_MBX_REGS_CNT);
+ if (status)
+ goto err;
+
+ /* Get the I2C Registers */
+ ql_build_coredump_seg_header(&mpi_coredump->i2c_regs_seg_hdr,
+ I2C_SEG_NUM,
+ sizeof(struct mpi_coredump_segment_header)
+ + sizeof(mpi_coredump->i2c_regs),
+ "I2C Registers");
+ status = ql_get_mpi_regs(qdev, &mpi_coredump->i2c_regs[0],
+ I2C_REGS_ADDR, I2C_REGS_CNT);
+ if (status)
+ goto err;
+
+ /* Get the MEMC Registers */
+ ql_build_coredump_seg_header(&mpi_coredump->memc_regs_seg_hdr,
+ MEMC_SEG_NUM,
+ sizeof(struct mpi_coredump_segment_header)
+ + sizeof(mpi_coredump->memc_regs),
+ "MEMC Registers");
+ status = ql_get_mpi_regs(qdev, &mpi_coredump->memc_regs[0],
+ MEMC_REGS_ADDR, MEMC_REGS_CNT);
+ if (status)
+ goto err;
+
+ /* Get the PBus Registers */
+ ql_build_coredump_seg_header(&mpi_coredump->pbus_regs_seg_hdr,
+ PBUS_SEG_NUM,
+ sizeof(struct mpi_coredump_segment_header)
+ + sizeof(mpi_coredump->pbus_regs),
+ "PBUS Registers");
+ status = ql_get_mpi_regs(qdev, &mpi_coredump->pbus_regs[0],
+ PBUS_REGS_ADDR, PBUS_REGS_CNT);
+ if (status)
+ goto err;
+
+ /* Get the MDE Registers */
+ ql_build_coredump_seg_header(&mpi_coredump->mde_regs_seg_hdr,
+ MDE_SEG_NUM,
+ sizeof(struct mpi_coredump_segment_header)
+ + sizeof(mpi_coredump->mde_regs),
+ "MDE Registers");
+ status = ql_get_mpi_regs(qdev, &mpi_coredump->mde_regs[0],
+ MDE_REGS_ADDR, MDE_REGS_CNT);
+ if (status)
+ goto err;
+
+ ql_build_coredump_seg_header(&mpi_coredump->misc_nic_seg_hdr,
+ MISC_NIC_INFO_SEG_NUM,
+ sizeof(struct mpi_coredump_segment_header)
+ + sizeof(mpi_coredump->misc_nic_info),
+ "MISC NIC INFO");
+ mpi_coredump->misc_nic_info.rx_ring_count = qdev->rx_ring_count;
+ mpi_coredump->misc_nic_info.tx_ring_count = qdev->tx_ring_count;
+ mpi_coredump->misc_nic_info.intr_count = qdev->intr_count;
+ mpi_coredump->misc_nic_info.function = qdev->func;
+
+ /* Segment 31 */
+ /* Get indexed register values. */
+ ql_build_coredump_seg_header(&mpi_coredump->intr_states_seg_hdr,
+ INTR_STATES_SEG_NUM,
+ sizeof(struct mpi_coredump_segment_header)
+ + sizeof(mpi_coredump->intr_states),
+ "INTR States");
+ ql_get_intr_states(qdev, &mpi_coredump->intr_states[0]);
+
+ ql_build_coredump_seg_header(&mpi_coredump->cam_entries_seg_hdr,
+ CAM_ENTRIES_SEG_NUM,
+ sizeof(struct mpi_coredump_segment_header)
+ + sizeof(mpi_coredump->cam_entries),
+ "CAM Entries");
+ status = ql_get_cam_entries(qdev, &mpi_coredump->cam_entries[0]);
+ if (status)
+ goto err;
+
+ ql_build_coredump_seg_header(&mpi_coredump->nic_routing_words_seg_hdr,
+ ROUTING_WORDS_SEG_NUM,
+ sizeof(struct mpi_coredump_segment_header)
+ + sizeof(mpi_coredump->nic_routing_words),
+ "Routing Words");
+ status = ql_get_routing_entries(qdev,
+ &mpi_coredump->nic_routing_words[0]);
+ if (status)
+ goto err;
+
+ /* Segment 34 (Rev C. step 23) */
+ ql_build_coredump_seg_header(&mpi_coredump->ets_seg_hdr,
+ ETS_SEG_NUM,
+ sizeof(struct mpi_coredump_segment_header)
+ + sizeof(mpi_coredump->ets),
+ "ETS Registers");
+ status = ql_get_ets_regs(qdev, &mpi_coredump->ets[0]);
+ if (status)
+ goto err;
+
+ ql_build_coredump_seg_header(&mpi_coredump->routing_reg_seg_hdr,
+ ROUTING_INDEX_SEG_NUM,
+ sizeof(struct mpi_coredump_segment_header)
+ + sizeof(mpi_coredump->routing_regs),
+ "Routing Regs");
+ status = ql_get_routing_index_registers(qdev,
+ &mpi_coredump->routing_regs[0]);
+ if (status)
+ goto err;
+
+ ql_build_coredump_seg_header(&mpi_coredump->mac_prot_reg_seg_hdr,
+ MAC_PROTOCOL_SEG_NUM,
+ sizeof(struct mpi_coredump_segment_header)
+ + sizeof(mpi_coredump->mac_prot_regs),
+ "MAC Prot Regs");
+ ql_get_mac_protocol_registers(qdev, &mpi_coredump->mac_prot_regs[0]);
+
+ /* Get the semaphore registers for all 5 functions */
+ ql_build_coredump_seg_header(&mpi_coredump->sem_regs_seg_hdr,
+ SEM_REGS_SEG_NUM,
+ sizeof(struct mpi_coredump_segment_header) +
+ sizeof(mpi_coredump->sem_regs), "Sem Registers");
+
+ for (func_num = 0; func_num < MAX_SEMAPHORE_FUNCTIONS ; func_num++) {
+ reg = REG_BLOCK | (func_num << FUNCTION_SHIFT) | (SEM / 4);
+ status = ql_read_mpi_reg(qdev, reg, ®_val);
+ mpi_coredump->sem_regs[func_num] = reg_val;
+ if (status != 0)
+ mpi_coredump->sem_regs[func_num] = 0xdeadbeef;
+ }
+
+ /* not in the spec... but we need to prevent the mpi restarting
+ * while we dump the memory
+ */
+ ql_write_mpi_reg(qdev, 0x100a, 0x3);
+
+ /* clear the pause */
+ status = ql_unpause_mpi_risc(qdev);
+ if (status) {
+ QPRINTK(qdev, DRV, ERR,
+ "Failed RISC unpause. Status = 0x%.08x\n", status);
+ goto err;
+ }
+err:
+ ql_sem_unlock(qdev, SEM_PROC_REG_MASK); /* does flush too */
+ return status;
+
+}
+
void ql_gen_reg_dump(struct ql_adapter *qdev,
struct ql_reg_dump *mpi_coredump)
{
@@ -180,6 +697,33 @@ void ql_gen_reg_dump(struct ql_adapter *qdev,
return;
}
+/* Coredump to messages log file using separate worker thread */
+void ql_mpi_core_to_log(struct work_struct *work)
+{
+ struct ql_adapter *qdev =
+ container_of(work, struct ql_adapter, mpi_core_to_log.work);
+ u32 *tmp, count;
+ int i;
+
+ count = sizeof(struct ql_mpi_coredump) / sizeof(u32);
+ tmp = (u32 *)qdev->mpi_coredump;
+ QPRINTK(qdev, DRV, DEBUG, "Core is dumping to log file!\n");
+
+ for (i = 0; i < count; i += 8) {
+ printk(KERN_ERR "%.08x: %.08x %.08x %.08x %.08x %.08x "
+ "%.08x %.08x %.08x \n", i,
+ tmp[i + 0],
+ tmp[i + 1],
+ tmp[i + 2],
+ tmp[i + 3],
+ tmp[i + 4],
+ tmp[i + 5],
+ tmp[i + 6],
+ tmp[i + 7]);
+ msleep(5);
+ }
+}
+
#ifdef QL_REG_DUMP
static void ql_dump_intr_states(struct ql_adapter *qdev)
{
diff --git a/drivers/net/qlge/qlge_main.c b/drivers/net/qlge/qlge_main.c
index 167a3da..9106c08 100644
--- a/drivers/net/qlge/qlge_main.c
+++ b/drivers/net/qlge/qlge_main.c
@@ -73,6 +73,12 @@ static int qlge_irq_type = MSIX_IRQ;
module_param(qlge_irq_type, int, MSIX_IRQ);
MODULE_PARM_DESC(qlge_irq_type, "0 = MSI-X, 1 = MSI, 2 = Legacy.");
+static int qlge_mpi_coredump = 1;
+module_param(qlge_mpi_coredump, int, 0);
+MODULE_PARM_DESC(qlge_mpi_coredump,
+ "Option to enable allocation of memory for an MPI "
+ "firmware dump. Default is 1 - allocate memory.");
+
static DEFINE_PCI_DEVICE_TABLE(qlge_pci_tbl) = {
{PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, QLGE_DEVICE_ID_8012)},
{PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, QLGE_DEVICE_ID_8000)},
@@ -3842,6 +3848,7 @@ static int ql_adapter_down(struct ql_adapter *qdev)
cancel_delayed_work_sync(&qdev->mpi_reset_work);
cancel_delayed_work_sync(&qdev->mpi_work);
cancel_delayed_work_sync(&qdev->mpi_idc_work);
+ cancel_delayed_work_sync(&qdev->mpi_core_to_log);
cancel_delayed_work_sync(&qdev->mpi_port_cfg_work);
for (i = 0; i < qdev->rss_ring_count; i++)
@@ -4398,6 +4405,7 @@ static void ql_release_all(struct pci_dev *pdev)
iounmap(qdev->reg_base);
if (qdev->doorbell_area)
iounmap(qdev->doorbell_area);
+ vfree(qdev->mpi_coredump);
pci_release_regions(pdev);
pci_set_drvdata(pdev, NULL);
}
@@ -4479,6 +4487,15 @@ static int __devinit ql_init_device(struct pci_dev *pdev,
spin_lock_init(&qdev->hw_lock);
spin_lock_init(&qdev->stats_lock);
+ if (qlge_mpi_coredump) {
+ qdev->mpi_coredump =
+ vmalloc(sizeof(struct ql_mpi_coredump));
+ if (qdev->mpi_coredump == NULL) {
+ dev_err(&pdev->dev, "Coredump alloc failed.\n");
+ err = -ENOMEM;
+ goto err_out;
+ }
+ }
/* make sure the EEPROM is good */
err = qdev->nic_ops->get_flash(qdev);
if (err) {
@@ -4508,6 +4525,7 @@ static int __devinit ql_init_device(struct pci_dev *pdev,
INIT_DELAYED_WORK(&qdev->mpi_work, ql_mpi_work);
INIT_DELAYED_WORK(&qdev->mpi_port_cfg_work, ql_mpi_port_cfg_work);
INIT_DELAYED_WORK(&qdev->mpi_idc_work, ql_mpi_idc_work);
+ INIT_DELAYED_WORK(&qdev->mpi_core_to_log, ql_mpi_core_to_log);
init_completion(&qdev->ide_completion);
if (!cards_found) {
@@ -4630,6 +4648,7 @@ static void ql_eeh_close(struct net_device *ndev)
cancel_delayed_work_sync(&qdev->mpi_reset_work);
cancel_delayed_work_sync(&qdev->mpi_work);
cancel_delayed_work_sync(&qdev->mpi_idc_work);
+ cancel_delayed_work_sync(&qdev->mpi_core_to_log);
cancel_delayed_work_sync(&qdev->mpi_port_cfg_work);
for (i = 0; i < qdev->rss_ring_count; i++)
diff --git a/drivers/net/qlge/qlge_mpi.c b/drivers/net/qlge/qlge_mpi.c
index e2b2286..115bf70 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 +1202,24 @@ 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 the dump completed successfully we
+ * signal ethtool that there is information
+ * available.
+ */
+
+ 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);
}
--
1.6.0.2
--
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