netxen_nic: fw dump support

Signed-off-by: Manish Chopra <manish.chopra@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/ethernet/qlogic/netxen/netxen_nic.h

@@ -1154,6 +1154,7 @@ typedef struct {
 #define NETXEN_NIC_LRO_DISABLED		0x00
 #define NETXEN_NIC_BRIDGE_ENABLED       0X10
 #define NETXEN_NIC_DIAG_ENABLED		0x20
+#define NETXEN_FW_RESET_OWNER           0x40
 #define NETXEN_IS_MSI_FAMILY(adapter) \
 	((adapter)->flags & (NETXEN_NIC_MSI_ENABLED | NETXEN_NIC_MSIX_ENABLED))
 
@@ -1171,6 +1172,419 @@ typedef struct {
 #define __NX_DEV_UP			1
 #define __NX_RESETTING			2
 
+/* Mini Coredump FW supported version */
+#define NX_MD_SUPPORT_MAJOR		4
+#define NX_MD_SUPPORT_MINOR		0
+#define NX_MD_SUPPORT_SUBVERSION	579
+
+#define LSW(x)  ((uint16_t)(x))
+#define LSD(x)  ((uint32_t)((uint64_t)(x)))
+#define MSD(x)  ((uint32_t)((((uint64_t)(x)) >> 16) >> 16))
+
+/* Mini Coredump mask level */
+#define	NX_DUMP_MASK_MIN	0x03
+#define	NX_DUMP_MASK_DEF	0x1f
+#define	NX_DUMP_MASK_MAX	0xff
+
+/* Mini Coredump CDRP commands */
+#define NX_CDRP_CMD_TEMP_SIZE           0x0000002f
+#define NX_CDRP_CMD_GET_TEMP_HDR        0x00000030
+
+
+#define NX_DUMP_STATE_ARRAY_LEN		16
+#define NX_DUMP_CAP_SIZE_ARRAY_LEN	8
+
+/* Mini Coredump sysfs entries flags*/
+#define NX_FORCE_FW_DUMP_KEY		0xdeadfeed
+#define NX_ENABLE_FW_DUMP               0xaddfeed
+#define NX_DISABLE_FW_DUMP              0xbadfeed
+#define NX_FORCE_FW_RESET               0xdeaddead
+
+
+/* Flash read/write address */
+#define NX_FW_DUMP_REG1         0x00130060
+#define NX_FW_DUMP_REG2         0x001e0000
+#define NX_FLASH_SEM2_LK        0x0013C010
+#define NX_FLASH_SEM2_ULK       0x0013C014
+#define NX_FLASH_LOCK_ID        0x001B2100
+#define FLASH_ROM_WINDOW        0x42110030
+#define FLASH_ROM_DATA          0x42150000
+
+/* Mini Coredump register read/write routine */
+#define NX_RD_DUMP_REG(addr, bar0, data) do {                   \
+	writel((addr & 0xFFFF0000), (void __iomem *) (bar0 +            \
+		NX_FW_DUMP_REG1));                                      \
+	readl((void __iomem *) (bar0 + NX_FW_DUMP_REG1));               \
+	*data = readl((void __iomem *) (bar0 + NX_FW_DUMP_REG2 +        \
+		LSW(addr)));                                            \
+} while (0)
+
+#define NX_WR_DUMP_REG(addr, bar0, data) do {                   \
+	writel((addr & 0xFFFF0000), (void __iomem *) (bar0 +            \
+		NX_FW_DUMP_REG1));                                      \
+	readl((void __iomem *) (bar0 + NX_FW_DUMP_REG1));                \
+	writel(data, (void __iomem *) (bar0 + NX_FW_DUMP_REG2 + LSW(addr)));\
+	readl((void __iomem *) (bar0 + NX_FW_DUMP_REG2 + LSW(addr)));  \
+} while (0)
+
+
+/*
+Entry Type Defines
+*/
+
+#define RDNOP	0
+#define RDCRB	1
+#define RDMUX	2
+#define QUEUE	3
+#define BOARD	4
+#define RDSRE	5
+#define RDOCM	6
+#define PREGS	7
+#define L1DTG	8
+#define L1ITG	9
+#define CACHE	10
+
+#define L1DAT	11
+#define L1INS	12
+#define RDSTK	13
+#define RDCON	14
+
+#define L2DTG	21
+#define L2ITG	22
+#define L2DAT	23
+#define L2INS	24
+#define RDOC3	25
+
+#define MEMBK	32
+
+#define RDROM	71
+#define RDMEM	72
+#define RDMN	73
+
+#define INFOR	81
+#define CNTRL	98
+
+#define TLHDR	99
+#define RDEND	255
+
+#define PRIMQ	103
+#define SQG2Q	104
+#define SQG3Q	105
+
+/*
+* Opcodes for Control Entries.
+* These Flags are bit fields.
+*/
+#define NX_DUMP_WCRB		0x01
+#define NX_DUMP_RWCRB		0x02
+#define NX_DUMP_ANDCRB		0x04
+#define NX_DUMP_ORCRB		0x08
+#define NX_DUMP_POLLCRB		0x10
+#define NX_DUMP_RD_SAVE		0x20
+#define NX_DUMP_WRT_SAVED	0x40
+#define NX_DUMP_MOD_SAVE_ST	0x80
+
+/* Driver Flags */
+#define NX_DUMP_SKIP		0x80	/*  driver skipped this entry  */
+#define NX_DUMP_SIZE_ERR 0x40	/*entry size vs capture size mismatch*/
+
+#define NX_PCI_READ_32(ADDR)			readl((ADDR))
+#define NX_PCI_WRITE_32(DATA, ADDR)	writel(DATA, (ADDR))
+
+
+
+struct netxen_minidump {
+	u32 pos;			/* position in the dump buffer */
+	u8  fw_supports_md;		/* FW supports Mini cordump */
+	u8  has_valid_dump;		/* indicates valid dump */
+	u8  md_capture_mask;		/* driver capture mask */
+	u8  md_enabled;			/* Turn Mini Coredump on/off */
+	u32 md_dump_size;		/* Total FW Mini Coredump size */
+	u32 md_capture_size;		/* FW dump capture size */
+	u32 md_template_size;		/* FW template size */
+	u32 md_template_ver;		/* FW template version */
+	u64 md_timestamp;		/* FW Mini dump timestamp */
+	void *md_template;		/* FW template will be stored */
+	void *md_capture_buff;		/* FW dump will be stored */
+};
+
+
+
+struct netxen_minidump_template_hdr {
+	u32 entry_type;
+	u32 first_entry_offset;
+	u32 size_of_template;
+	u32 capture_mask;
+	u32 num_of_entries;
+	u32 version;
+	u32 driver_timestamp;
+	u32 checksum;
+	u32 driver_capture_mask;
+	u32 driver_info_word2;
+	u32 driver_info_word3;
+	u32 driver_info_word4;
+	u32 saved_state_array[NX_DUMP_STATE_ARRAY_LEN];
+	u32 capture_size_array[NX_DUMP_CAP_SIZE_ARRAY_LEN];
+	u32 rsvd[0];
+};
+
+/* Common Entry Header:  Common to All Entry Types */
+/*
+ * Driver Code is for driver to write some info about the entry.
+ * Currently not used.
+ */
+
+struct netxen_common_entry_hdr {
+	u32 entry_type;
+	u32 entry_size;
+	u32 entry_capture_size;
+	union {
+		struct {
+			u8 entry_capture_mask;
+			u8 entry_code;
+			u8 driver_code;
+			u8 driver_flags;
+		};
+		u32 entry_ctrl_word;
+	};
+};
+
+
+/* Generic Entry Including Header */
+struct netxen_minidump_entry {
+	struct netxen_common_entry_hdr hdr;
+	u32 entry_data00;
+	u32 entry_data01;
+	u32 entry_data02;
+	u32 entry_data03;
+	u32 entry_data04;
+	u32 entry_data05;
+	u32 entry_data06;
+	u32 entry_data07;
+};
+
+/* Read ROM Header */
+struct netxen_minidump_entry_rdrom {
+	struct netxen_common_entry_hdr h;
+	union {
+		struct {
+			u32 select_addr_reg;
+		};
+		u32 rsvd_0;
+	};
+	union {
+		struct {
+			u8 addr_stride;
+			u8 addr_cnt;
+			u16 data_size;
+		};
+		u32 rsvd_1;
+	};
+	union {
+		struct {
+			u32 op_count;
+		};
+		u32 rsvd_2;
+	};
+	union {
+		struct {
+			u32 read_addr_reg;
+		};
+		u32 rsvd_3;
+	};
+	union {
+		struct {
+			u32 write_mask;
+		};
+		u32 rsvd_4;
+	};
+	union {
+		struct {
+			u32 read_mask;
+		};
+		u32 rsvd_5;
+	};
+	u32 read_addr;
+	u32 read_data_size;
+};
+
+
+/* Read CRB and Control Entry Header */
+struct netxen_minidump_entry_crb {
+	struct netxen_common_entry_hdr h;
+	u32 addr;
+	union {
+		struct {
+			u8 addr_stride;
+			u8 state_index_a;
+			u16 poll_timeout;
+			};
+		u32 addr_cntrl;
+	};
+	u32 data_size;
+	u32 op_count;
+	union {
+		struct {
+			u8 opcode;
+			u8 state_index_v;
+			u8 shl;
+			u8 shr;
+			};
+		u32 control_value;
+	};
+	u32 value_1;
+	u32 value_2;
+	u32 value_3;
+};
+
+/* Read Memory and MN Header */
+struct netxen_minidump_entry_rdmem {
+	struct netxen_common_entry_hdr h;
+	union {
+		struct {
+			u32 select_addr_reg;
+		};
+		u32 rsvd_0;
+	};
+	union {
+		struct {
+			u8 addr_stride;
+			u8 addr_cnt;
+			u16 data_size;
+		};
+		u32 rsvd_1;
+	};
+	union {
+		struct {
+			u32 op_count;
+		};
+		u32 rsvd_2;
+	};
+	union {
+		struct {
+			u32 read_addr_reg;
+		};
+		u32 rsvd_3;
+	};
+	union {
+		struct {
+			u32 cntrl_addr_reg;
+		};
+		u32 rsvd_4;
+	};
+	union {
+		struct {
+			u8 wr_byte0;
+			u8 wr_byte1;
+			u8 poll_mask;
+			u8 poll_cnt;
+		};
+		u32 rsvd_5;
+	};
+	u32 read_addr;
+	u32 read_data_size;
+};
+
+/* Read Cache L1 and L2 Header */
+struct netxen_minidump_entry_cache {
+	struct netxen_common_entry_hdr h;
+	u32 tag_reg_addr;
+	union {
+		struct {
+			u16 tag_value_stride;
+			u16 init_tag_value;
+		};
+		u32 select_addr_cntrl;
+	};
+	u32 data_size;
+	u32 op_count;
+	u32 control_addr;
+	union {
+		struct {
+			u16 write_value;
+			u8 poll_mask;
+			u8 poll_wait;
+		};
+		u32 control_value;
+	};
+	u32 read_addr;
+	union {
+		struct {
+			u8 read_addr_stride;
+			u8 read_addr_cnt;
+			u16 rsvd_1;
+		};
+		u32 read_addr_cntrl;
+	};
+};
+
+/* Read OCM Header */
+struct netxen_minidump_entry_rdocm {
+	struct netxen_common_entry_hdr h;
+	u32 rsvd_0;
+	union {
+		struct {
+			u32 rsvd_1;
+		};
+		u32 select_addr_cntrl;
+	};
+	u32 data_size;
+	u32 op_count;
+	u32 rsvd_2;
+	u32 rsvd_3;
+	u32 read_addr;
+	union {
+		struct {
+			u32 read_addr_stride;
+		};
+		u32 read_addr_cntrl;
+	};
+};
+
+/* Read MUX Header */
+struct netxen_minidump_entry_mux {
+	struct netxen_common_entry_hdr h;
+	u32 select_addr;
+	union {
+		struct {
+			u32 rsvd_0;
+		};
+		u32 select_addr_cntrl;
+	};
+	u32 data_size;
+	u32 op_count;
+	u32 select_value;
+	u32 select_value_stride;
+	u32 read_addr;
+	u32 rsvd_1;
+};
+
+/* Read Queue Header */
+struct netxen_minidump_entry_queue {
+	struct netxen_common_entry_hdr h;
+	u32 select_addr;
+	union {
+		struct {
+			u16 queue_id_stride;
+			u16 rsvd_0;
+		};
+		u32 select_addr_cntrl;
+	};
+	u32 data_size;
+	u32 op_count;
+	u32 rsvd_1;
+	u32 rsvd_2;
+	u32 read_addr;
+	union {
+		struct {
+			u8 read_addr_stride;
+			u8 read_addr_cnt;
+			u16 rsvd_3;
+		};
+		u32 read_addr_cntrl;
+	};
+};
+
 struct netxen_dummy_dma {
 	void *addr;
 	dma_addr_t phys_addr;
@@ -1275,6 +1689,8 @@ struct netxen_adapter {
 	__le32 file_prd_off;	/*File fw product offset*/
 	u32 fw_version;
 	const struct firmware *fw;
+	struct netxen_minidump mdump;   /* mdump ptr */
+	int fw_mdump_rdy;	/* for mdump ready */
 };
 
 int nx_fw_cmd_query_phy(struct netxen_adapter *adapter, u32 reg, u32 *val);
@@ -1377,13 +1793,16 @@ int netxen_nic_change_mtu(struct net_device *netdev, int new_mtu);
 int netxen_config_hw_lro(struct netxen_adapter *adapter, int enable);
 int netxen_config_bridged_mode(struct netxen_adapter *adapter, int enable);
 int netxen_send_lro_cleanup(struct netxen_adapter *adapter);
-
+int netxen_setup_minidump(struct netxen_adapter *adapter);
+void netxen_dump_fw(struct netxen_adapter *adapter);
 void netxen_nic_update_cmd_producer(struct netxen_adapter *adapter,
 		struct nx_host_tx_ring *tx_ring);
 
 /* Functions from netxen_nic_main.c */
 int netxen_nic_reset_context(struct netxen_adapter *);
 
+int nx_dev_request_reset(struct netxen_adapter *adapter);
+
 /*
  * NetXen Board information
  */

drivers/net/ethernet/qlogic/netxen/netxen_nic_ctx.c

@@ -83,6 +83,7 @@ netxen_issue_cmd(struct netxen_adapter *adapter, struct netxen_cmd_args *cmd)
 		printk(KERN_ERR "%s: failed card response code:0x%x\n",
 				netxen_nic_driver_name, rcode);
 	} else if (rsp == NX_CDRP_RSP_OK) {
+		cmd->rsp.cmd = NX_RCODE_SUCCESS;
 		if (cmd->rsp.arg2)
 			cmd->rsp.arg2 = NXRD32(adapter, NX_ARG2_CRB_OFFSET);
 		if (cmd->rsp.arg3)
@@ -97,6 +98,148 @@ netxen_issue_cmd(struct netxen_adapter *adapter, struct netxen_cmd_args *cmd)
 	return rcode;
 }
 
+static int
+netxen_get_minidump_template_size(struct netxen_adapter *adapter)
+{
+	struct netxen_cmd_args cmd;
+	memset(&cmd, 0, sizeof(cmd));
+	cmd.req.cmd = NX_CDRP_CMD_TEMP_SIZE;
+	memset(&cmd.rsp, 1, sizeof(struct _cdrp_cmd));
+	netxen_issue_cmd(adapter, &cmd);
+	if (cmd.rsp.cmd != NX_RCODE_SUCCESS) {
+		dev_info(&adapter->pdev->dev,
+			"Can't get template size %d\n", cmd.rsp.cmd);
+		return -EIO;
+	}
+	adapter->mdump.md_template_size = cmd.rsp.arg2;
+	adapter->mdump.md_template_ver = cmd.rsp.arg3;
+	return 0;
+}
+
+static int
+netxen_get_minidump_template(struct netxen_adapter *adapter)
+{
+	dma_addr_t md_template_addr;
+	void *addr;
+	u32 size;
+	struct netxen_cmd_args cmd;
+	size = adapter->mdump.md_template_size;
+
+	if (size == 0) {
+		dev_err(&adapter->pdev->dev, "Can not capture Minidump "
+			"template. Invalid template size.\n");
+		return NX_RCODE_INVALID_ARGS;
+	}
+
+	addr = pci_alloc_consistent(adapter->pdev, size, &md_template_addr);
+
+	if (!addr) {
+		dev_err(&adapter->pdev->dev, "Unable to allocate dmable memory for template.\n");
+		return -ENOMEM;
+	}
+
+	memset(addr, 0, size);
+	memset(&cmd, 0, sizeof(cmd));
+	memset(&cmd.rsp, 1, sizeof(struct _cdrp_cmd));
+	cmd.req.cmd = NX_CDRP_CMD_GET_TEMP_HDR;
+	cmd.req.arg1 = LSD(md_template_addr);
+	cmd.req.arg2 = MSD(md_template_addr);
+	cmd.req.arg3 |= size;
+	netxen_issue_cmd(adapter, &cmd);
+
+	if ((cmd.rsp.cmd == NX_RCODE_SUCCESS) && (size == cmd.rsp.arg2)) {
+		memcpy(adapter->mdump.md_template, addr, size);
+	} else {
+		dev_err(&adapter->pdev->dev, "Failed to get minidump template, "
+			"err_code : %d, requested_size : %d, actual_size : %d\n ",
+			cmd.rsp.cmd, size, cmd.rsp.arg2);
+	}
+	pci_free_consistent(adapter->pdev, size, addr, md_template_addr);
+	return 0;
+}
+
+static u32
+netxen_check_template_checksum(struct netxen_adapter *adapter)
+{
+	u64 sum =  0 ;
+	u32 *buff = adapter->mdump.md_template;
+	int count =  adapter->mdump.md_template_size/sizeof(uint32_t) ;
+
+	while (count-- > 0)
+		sum += *buff++ ;
+	while (sum >> 32)
+		sum = (sum & 0xFFFFFFFF) +  (sum >> 32) ;
+
+	return ~sum;
+}
+
+int
+netxen_setup_minidump(struct netxen_adapter *adapter)
+{
+	int err = 0, i;
+	u32 *template, *tmp_buf;
+	struct netxen_minidump_template_hdr *hdr;
+	err = netxen_get_minidump_template_size(adapter);
+	if (err) {
+		adapter->mdump.fw_supports_md = 0;
+		if ((err == NX_RCODE_CMD_INVALID) ||
+			(err == NX_RCODE_CMD_NOT_IMPL)) {
+			dev_info(&adapter->pdev->dev,
+				"Flashed firmware version does not support minidump, "
+				"minimum version required is [ %u.%u.%u ].\n ",
+				NX_MD_SUPPORT_MAJOR, NX_MD_SUPPORT_MINOR,
+				NX_MD_SUPPORT_SUBVERSION);
+		}
+		return err;
+	}
+
+	if (!adapter->mdump.md_template_size) {
+		dev_err(&adapter->pdev->dev, "Error : Invalid template size "
+		",should be non-zero.\n");
+		return -EIO;
+	}
+	adapter->mdump.md_template =
+		kmalloc(adapter->mdump.md_template_size, GFP_KERNEL);
+
+	if (!adapter->mdump.md_template) {
+		dev_err(&adapter->pdev->dev, "Unable to allocate memory "
+			"for minidump template.\n");
+		return -ENOMEM;
+	}
+
+	err = netxen_get_minidump_template(adapter);
+	if (err) {
+		if (err == NX_RCODE_CMD_NOT_IMPL)
+			adapter->mdump.fw_supports_md = 0;
+		goto free_template;
+	}
+
+	if (netxen_check_template_checksum(adapter)) {
+		dev_err(&adapter->pdev->dev, "Minidump template checksum Error\n");
+		err = -EIO;
+		goto free_template;
+	}
+
+	adapter->mdump.md_capture_mask = NX_DUMP_MASK_DEF;
+	tmp_buf = (u32 *) adapter->mdump.md_template;
+	template = (u32 *) adapter->mdump.md_template;
+	for (i = 0; i < adapter->mdump.md_template_size/sizeof(u32); i++)
+		*template++ = __le32_to_cpu(*tmp_buf++);
+	hdr = (struct netxen_minidump_template_hdr *)
+				adapter->mdump.md_template;
+	adapter->mdump.md_capture_buff = NULL;
+	adapter->mdump.fw_supports_md = 1;
+	adapter->mdump.md_enabled = 1;
+
+	return err;
+
+free_template:
+	kfree(adapter->mdump.md_template);
+	adapter->mdump.md_template = NULL;
+	return err;
+}
+
+
 int
 nx_fw_cmd_set_mtu(struct netxen_adapter *adapter, int mtu)
 {

drivers/net/ethernet/qlogic/netxen/netxen_nic_ethtool.c

@@ -812,6 +812,107 @@ static int netxen_get_intr_coalesce(struct net_device *netdev,
 	return 0;
 }
 
+static int
+netxen_get_dump_flag(struct net_device *netdev, struct ethtool_dump *dump)
+{
+	struct netxen_adapter *adapter = netdev_priv(netdev);
+	struct netxen_minidump *mdump = &adapter->mdump;
+	if (adapter->fw_mdump_rdy)
+		dump->len = mdump->md_dump_size;
+	else
+		dump->len = 0;
+	dump->flag = mdump->md_capture_mask;
+	dump->version = adapter->fw_version;
+	return 0;
+}
+
+static int
+netxen_set_dump(struct net_device *netdev, struct ethtool_dump *val)
+{
+	int ret = 0;
+	struct netxen_adapter *adapter = netdev_priv(netdev);
+	struct netxen_minidump *mdump = &adapter->mdump;
+
+	switch (val->flag) {
+	case NX_FORCE_FW_DUMP_KEY:
+		if (!mdump->md_enabled)
+			mdump->md_enabled = 1;
+		if (adapter->fw_mdump_rdy) {
+			netdev_info(netdev, "Previous dump not cleared, not forcing dump\n");
+			return ret;
+		}
+		netdev_info(netdev, "Forcing a fw dump\n");
+		nx_dev_request_reset(adapter);
+		break;
+	case NX_DISABLE_FW_DUMP:
+		if (mdump->md_enabled) {
+			netdev_info(netdev, "Disabling FW Dump\n");
+			mdump->md_enabled = 0;
+		}
+		break;
+	case NX_ENABLE_FW_DUMP:
+		if (!mdump->md_enabled) {
+			netdev_info(netdev, "Enabling FW dump\n");
+			mdump->md_enabled = 1;
+		}
+		break;
+	case NX_FORCE_FW_RESET:
+		netdev_info(netdev, "Forcing FW reset\n");
+		nx_dev_request_reset(adapter);
+		adapter->flags &= ~NETXEN_FW_RESET_OWNER;
+		break;
+	default:
+		if (val->flag <= NX_DUMP_MASK_MAX &&
+			val->flag >= NX_DUMP_MASK_MIN) {
+			mdump->md_capture_mask = val->flag & 0xff;
+			netdev_info(netdev, "Driver mask changed to: 0x%x\n",
+					mdump->md_capture_mask);
+			break;
+		}
+		netdev_info(netdev,
+			"Invalid dump level: 0x%x\n", val->flag);
+		return -EINVAL;
+	}
+
+	return ret;
+}
+
+static int
+netxen_get_dump_data(struct net_device *netdev, struct ethtool_dump *dump,
+			void *buffer)
+{
+	int i, copy_sz;
+	u32 *hdr_ptr, *data;
+	struct netxen_adapter *adapter = netdev_priv(netdev);
+	struct netxen_minidump *mdump = &adapter->mdump;
+
+
+	if (!adapter->fw_mdump_rdy) {
+		netdev_info(netdev, "Dump not available\n");
+		return -EINVAL;
+	}
+	/* Copy template header first */
+	copy_sz = mdump->md_template_size;
+	hdr_ptr = (u32 *) mdump->md_template;
+	data = buffer;
+	for (i = 0; i < copy_sz/sizeof(u32); i++)
+		*data++ = cpu_to_le32(*hdr_ptr++);
+
+	/* Copy captured dump data */
+	memcpy(buffer + copy_sz,
+		mdump->md_capture_buff + mdump->md_template_size,
+			mdump->md_capture_size);
+	dump->len = copy_sz + mdump->md_capture_size;
+	dump->flag = mdump->md_capture_mask;
+
+	/* Free dump area once data has been captured */
+	vfree(mdump->md_capture_buff);
+	mdump->md_capture_buff = NULL;
+	adapter->fw_mdump_rdy = 0;
+	netdev_info(netdev, "extracted the fw dump Successfully\n");
+	return 0;
+}
+
 const struct ethtool_ops netxen_nic_ethtool_ops = {
 	.get_settings = netxen_nic_get_settings,
 	.set_settings = netxen_nic_set_settings,
@@ -833,4 +934,7 @@ const struct ethtool_ops netxen_nic_ethtool_ops = {
 	.get_sset_count = netxen_get_sset_count,
 	.get_coalesce = netxen_get_intr_coalesce,
 	.set_coalesce = netxen_set_intr_coalesce,
+	.get_dump_flag = netxen_get_dump_flag,
+	.get_dump_data = netxen_get_dump_data,
+	.set_dump = netxen_set_dump,
 };

drivers/net/ethernet/qlogic/netxen/netxen_nic_hw.c

@@ -46,7 +46,6 @@ static void netxen_nic_io_write_128M(struct netxen_adapter *adapter,
 		void __iomem *addr, u32 data);
 static u32 netxen_nic_io_read_128M(struct netxen_adapter *adapter,
 		void __iomem *addr);
-
 #ifndef readq
 static inline u64 readq(void __iomem *addr)
 {
@@ -1974,3 +1973,631 @@ netxen_nic_wol_supported(struct netxen_adapter *adapter)
 
 	return 0;
 }
+
+static u32 netxen_md_cntrl(struct netxen_adapter *adapter,
+			struct netxen_minidump_template_hdr *template_hdr,
+			struct netxen_minidump_entry_crb *crtEntry)
+{
+	int loop_cnt, i, rv = 0, timeout_flag;
+	u32 op_count, stride;
+	u32 opcode, read_value, addr;
+	unsigned long timeout, timeout_jiffies;
+	addr = crtEntry->addr;
+	op_count = crtEntry->op_count;
+	stride = crtEntry->addr_stride;
+
+	for (loop_cnt = 0; loop_cnt < op_count; loop_cnt++) {
+		for (i = 0; i < sizeof(crtEntry->opcode) * 8; i++) {
+			opcode = (crtEntry->opcode & (0x1 << i));
+			if (opcode) {
+				switch (opcode) {
+				case NX_DUMP_WCRB:
+					NX_WR_DUMP_REG(addr,
+						adapter->ahw.pci_base0,
+							crtEntry->value_1);
+					break;
+				case NX_DUMP_RWCRB:
+					NX_RD_DUMP_REG(addr,
+						adapter->ahw.pci_base0,
+								&read_value);
+					NX_WR_DUMP_REG(addr,
+						adapter->ahw.pci_base0,
+								read_value);
+					break;
+				case NX_DUMP_ANDCRB:
+					NX_RD_DUMP_REG(addr,
+						adapter->ahw.pci_base0,
+								&read_value);
+					read_value &= crtEntry->value_2;
+					NX_WR_DUMP_REG(addr,
+						adapter->ahw.pci_base0,
+								read_value);
+					break;
+				case NX_DUMP_ORCRB:
+					NX_RD_DUMP_REG(addr,
+						adapter->ahw.pci_base0,
+								&read_value);
+					read_value |= crtEntry->value_3;
+					NX_WR_DUMP_REG(addr,
+						adapter->ahw.pci_base0,
+								read_value);
+					break;
+				case NX_DUMP_POLLCRB:
+					timeout = crtEntry->poll_timeout;
+					NX_RD_DUMP_REG(addr,
+						adapter->ahw.pci_base0,
+								&read_value);
+					timeout_jiffies =
+					msecs_to_jiffies(timeout) + jiffies;
+					for (timeout_flag = 0;
+						!timeout_flag
+					&& ((read_value & crtEntry->value_2)
+					!= crtEntry->value_1);) {
+						if (time_after(jiffies,
+							timeout_jiffies))
+							timeout_flag = 1;
+					NX_RD_DUMP_REG(addr,
+							adapter->ahw.pci_base0,
+								&read_value);
+					}
+
+					if (timeout_flag) {
+						dev_err(&adapter->pdev->dev, "%s : "
+							"Timeout in poll_crb control operation.\n"
+								, __func__);
+						return -1;
+					}
+					break;
+				case NX_DUMP_RD_SAVE:
+					/* Decide which address to use */
+					if (crtEntry->state_index_a)
+						addr =
+						template_hdr->saved_state_array
+						[crtEntry->state_index_a];
+					NX_RD_DUMP_REG(addr,
+						adapter->ahw.pci_base0,
+								&read_value);
+					template_hdr->saved_state_array
+					[crtEntry->state_index_v]
+						= read_value;
+					break;
+				case NX_DUMP_WRT_SAVED:
+					/* Decide which value to use */
+					if (crtEntry->state_index_v)
+						read_value =
+						template_hdr->saved_state_array
+						[crtEntry->state_index_v];
+					else
+						read_value = crtEntry->value_1;
+
+					/* Decide which address to use */
+					if (crtEntry->state_index_a)
+						addr =
+						template_hdr->saved_state_array
+						[crtEntry->state_index_a];
+
+					NX_WR_DUMP_REG(addr,
+						adapter->ahw.pci_base0,
+								read_value);
+					break;
+				case NX_DUMP_MOD_SAVE_ST:
+					read_value =
+					template_hdr->saved_state_array
+						[crtEntry->state_index_v];
+					read_value <<= crtEntry->shl;
+					read_value >>= crtEntry->shr;
+					if (crtEntry->value_2)
+						read_value &=
+						crtEntry->value_2;
+					read_value |= crtEntry->value_3;
+					read_value += crtEntry->value_1;
+					/* Write value back to state area.*/
+					template_hdr->saved_state_array
+						[crtEntry->state_index_v]
+							= read_value;
+					break;
+				default:
+					rv = 1;
+					break;
+				}
+			}
+		}
+		addr = addr + stride;
+	}
+	return rv;
+}
+
+/* Read memory or MN */
+static u32
+netxen_md_rdmem(struct netxen_adapter *adapter,
+		struct netxen_minidump_entry_rdmem
+			*memEntry, u64 *data_buff)
+{
+	u64 addr, value = 0;
+	int i = 0, loop_cnt;
+
+	addr = (u64)memEntry->read_addr;
+	loop_cnt = memEntry->read_data_size;    /* This is size in bytes */
+	loop_cnt /= sizeof(value);
+
+	for (i = 0; i < loop_cnt; i++) {
+		if (netxen_nic_pci_mem_read_2M(adapter, addr, &value))
+			goto out;
+		*data_buff++ = value;
+		addr += sizeof(value);
+	}
+out:
+	return i * sizeof(value);
+}
+
+/* Read CRB operation */
+static u32 netxen_md_rd_crb(struct netxen_adapter *adapter,
+			struct netxen_minidump_entry_crb
+				*crbEntry, u32 *data_buff)
+{
+	int loop_cnt;
+	u32 op_count, addr, stride, value;
+
+	addr = crbEntry->addr;
+	op_count = crbEntry->op_count;
+	stride = crbEntry->addr_stride;
+
+	for (loop_cnt = 0; loop_cnt < op_count; loop_cnt++) {
+		NX_RD_DUMP_REG(addr, adapter->ahw.pci_base0, &value);
+		*data_buff++ = addr;
+		*data_buff++ = value;
+		addr = addr + stride;
+	}
+	return loop_cnt * (2 * sizeof(u32));
+}
+
+/* Read ROM */
+static u32
+netxen_md_rdrom(struct netxen_adapter *adapter,
+			struct netxen_minidump_entry_rdrom
+				*romEntry, u32 *data_buff)
+{
+	int i, count = 0;
+	u32 size, lck_val;
+	u32 val;
+	u32 fl_addr, waddr, raddr;
+	fl_addr = romEntry->read_addr;
+	size = romEntry->read_data_size/4;
+lock_try:
+	lck_val = readl((void __iomem *)(adapter->ahw.pci_base0 +
+							NX_FLASH_SEM2_LK));
+	if (!lck_val && count < MAX_CTL_CHECK) {
+		msleep(20);
+		count++;
+		goto lock_try;
+	}
+	writel(adapter->ahw.pci_func, (void __iomem *)(adapter->ahw.pci_base0 +
+							NX_FLASH_LOCK_ID));
+	for (i = 0; i < size; i++) {
+		waddr = fl_addr & 0xFFFF0000;
+		NX_WR_DUMP_REG(FLASH_ROM_WINDOW, adapter->ahw.pci_base0, waddr);
+		raddr = FLASH_ROM_DATA + (fl_addr & 0x0000FFFF);
+		NX_RD_DUMP_REG(raddr, adapter->ahw.pci_base0, &val);
+		*data_buff++ = cpu_to_le32(val);
+		fl_addr += sizeof(val);
+	}
+	readl((void __iomem *)(adapter->ahw.pci_base0 + NX_FLASH_SEM2_ULK));
+	return romEntry->read_data_size;
+}
+
+/* Handle L2 Cache */
+static u32
+netxen_md_L2Cache(struct netxen_adapter *adapter,
+				struct netxen_minidump_entry_cache
+					*cacheEntry, u32 *data_buff)
+{
+	int loop_cnt, i, k, timeout_flag = 0;
+	u32 addr, read_addr, read_value, cntrl_addr, tag_reg_addr;
+	u32 tag_value, read_cnt;
+	u8 cntl_value_w, cntl_value_r;
+	unsigned long timeout, timeout_jiffies;
+
+	loop_cnt = cacheEntry->op_count;
+	read_addr = cacheEntry->read_addr;
+	cntrl_addr = cacheEntry->control_addr;
+	cntl_value_w = (u32) cacheEntry->write_value;
+	tag_reg_addr = cacheEntry->tag_reg_addr;
+	tag_value = cacheEntry->init_tag_value;
+	read_cnt = cacheEntry->read_addr_cnt;
+
+	for (i = 0; i < loop_cnt; i++) {
+		NX_WR_DUMP_REG(tag_reg_addr, adapter->ahw.pci_base0, tag_value);
+		if (cntl_value_w)
+			NX_WR_DUMP_REG(cntrl_addr, adapter->ahw.pci_base0,
+					(u32)cntl_value_w);
+		if (cacheEntry->poll_mask) {
+			timeout = cacheEntry->poll_wait;
+			NX_RD_DUMP_REG(cntrl_addr, adapter->ahw.pci_base0,
+							&cntl_value_r);
+			timeout_jiffies = msecs_to_jiffies(timeout) + jiffies;
+			for (timeout_flag = 0; !timeout_flag &&
+			((cntl_value_r & cacheEntry->poll_mask) != 0);) {
+				if (time_after(jiffies, timeout_jiffies))
+					timeout_flag = 1;
+				NX_RD_DUMP_REG(cntrl_addr,
+					adapter->ahw.pci_base0,
+							&cntl_value_r);
+			}
+			if (timeout_flag) {
+				dev_err(&adapter->pdev->dev,
+						"Timeout in processing L2 Tag poll.\n");
+				return -1;
+			}
+		}
+		addr = read_addr;
+		for (k = 0; k < read_cnt; k++) {
+			NX_RD_DUMP_REG(addr, adapter->ahw.pci_base0,
+					&read_value);
+			*data_buff++ = read_value;
+			addr += cacheEntry->read_addr_stride;
+		}
+		tag_value += cacheEntry->tag_value_stride;
+	}
+	return read_cnt * loop_cnt * sizeof(read_value);
+}
+
+
+/* Handle L1 Cache */
+static u32 netxen_md_L1Cache(struct netxen_adapter *adapter,
+				struct netxen_minidump_entry_cache
+					*cacheEntry, u32 *data_buff)
+{
+	int i, k, loop_cnt;
+	u32 addr, read_addr, read_value, cntrl_addr, tag_reg_addr;
+	u32 tag_value, read_cnt;
+	u8 cntl_value_w;
+
+	loop_cnt = cacheEntry->op_count;
+	read_addr = cacheEntry->read_addr;
+	cntrl_addr = cacheEntry->control_addr;
+	cntl_value_w = (u32) cacheEntry->write_value;
+	tag_reg_addr = cacheEntry->tag_reg_addr;
+	tag_value = cacheEntry->init_tag_value;
+	read_cnt = cacheEntry->read_addr_cnt;
+
+	for (i = 0; i < loop_cnt; i++) {
+		NX_WR_DUMP_REG(tag_reg_addr, adapter->ahw.pci_base0, tag_value);
+		NX_WR_DUMP_REG(cntrl_addr, adapter->ahw.pci_base0,
+						(u32) cntl_value_w);
+		addr = read_addr;
+		for (k = 0; k < read_cnt; k++) {
+			NX_RD_DUMP_REG(addr,
+				adapter->ahw.pci_base0,
+						&read_value);
+			*data_buff++ = read_value;
+			addr += cacheEntry->read_addr_stride;
+		}
+		tag_value += cacheEntry->tag_value_stride;
+	}
+	return read_cnt * loop_cnt * sizeof(read_value);
+}
+
+/* Reading OCM memory */
+static u32
+netxen_md_rdocm(struct netxen_adapter *adapter,
+				struct netxen_minidump_entry_rdocm
+					*ocmEntry, u32 *data_buff)
+{
+	int i, loop_cnt;
+	u32 value;
+	void __iomem *addr;
+	addr = (ocmEntry->read_addr + adapter->ahw.pci_base0);
+	loop_cnt = ocmEntry->op_count;
+
+	for (i = 0; i < loop_cnt; i++) {
+		value = readl(addr);
+		*data_buff++ = value;
+		addr += ocmEntry->read_addr_stride;
+	}
+	return i * sizeof(u32);
+}
+
+/* Read MUX data */
+static u32
+netxen_md_rdmux(struct netxen_adapter *adapter, struct netxen_minidump_entry_mux
+					*muxEntry, u32 *data_buff)
+{
+	int loop_cnt = 0;
+	u32 read_addr, read_value, select_addr, sel_value;
+
+	read_addr = muxEntry->read_addr;
+	sel_value = muxEntry->select_value;
+	select_addr = muxEntry->select_addr;
+
+	for (loop_cnt = 0; loop_cnt < muxEntry->op_count; loop_cnt++) {
+		NX_WR_DUMP_REG(select_addr, adapter->ahw.pci_base0, sel_value);
+		NX_RD_DUMP_REG(read_addr, adapter->ahw.pci_base0, &read_value);
+		*data_buff++ = sel_value;
+		*data_buff++ = read_value;
+		sel_value += muxEntry->select_value_stride;
+	}
+	return loop_cnt * (2 * sizeof(u32));
+}
+
+/* Handling Queue State Reads */
+static u32
+netxen_md_rdqueue(struct netxen_adapter *adapter,
+				struct netxen_minidump_entry_queue
+					*queueEntry, u32 *data_buff)
+{
+	int loop_cnt, k;
+	u32 queue_id, read_addr, read_value, read_stride, select_addr, read_cnt;
+
+	read_cnt = queueEntry->read_addr_cnt;
+	read_stride = queueEntry->read_addr_stride;
+	select_addr = queueEntry->select_addr;
+
+	for (loop_cnt = 0, queue_id = 0; loop_cnt < queueEntry->op_count;
+				 loop_cnt++) {
+		NX_WR_DUMP_REG(select_addr, adapter->ahw.pci_base0, queue_id);
+		read_addr = queueEntry->read_addr;
+		for (k = 0; k < read_cnt; k--) {
+			NX_RD_DUMP_REG(read_addr, adapter->ahw.pci_base0,
+							&read_value);
+			*data_buff++ = read_value;
+			read_addr += read_stride;
+		}
+		queue_id += queueEntry->queue_id_stride;
+	}
+	return loop_cnt * (read_cnt * sizeof(read_value));
+}
+
+
+/*
+* We catch an error where driver does not read
+* as much data as we expect from the entry.
+*/
+
+static int netxen_md_entry_err_chk(struct netxen_adapter *adapter,
+				struct netxen_minidump_entry *entry, u32 esize)
+{
+	if (esize < 0) {
+		entry->hdr.driver_flags |= NX_DUMP_SKIP;
+		return esize;
+	}
+	if (esize != entry->hdr.entry_capture_size) {
+		entry->hdr.entry_capture_size = esize;
+		entry->hdr.driver_flags |= NX_DUMP_SIZE_ERR;
+		dev_info(&adapter->pdev->dev,
+			"Invalidate dump, Type:%d\tMask:%d\tSize:%dCap_size:%d\n",
+			entry->hdr.entry_type, entry->hdr.entry_capture_mask,
+			esize, entry->hdr.entry_capture_size);
+		dev_info(&adapter->pdev->dev, "Aborting further dump capture\n");
+	}
+	return 0;
+}
+
+static int netxen_parse_md_template(struct netxen_adapter *adapter)
+{
+	int num_of_entries, buff_level, e_cnt, esize;
+	int end_cnt = 0, rv = 0, sane_start = 0, sane_end = 0;
+	char *dbuff;
+	void *template_buff = adapter->mdump.md_template;
+	char *dump_buff = adapter->mdump.md_capture_buff;
+	int capture_mask = adapter->mdump.md_capture_mask;
+	struct netxen_minidump_template_hdr *template_hdr;
+	struct netxen_minidump_entry *entry;
+
+	if ((capture_mask & 0x3) != 0x3) {
+		dev_err(&adapter->pdev->dev, "Capture mask %02x below minimum needed "
+			"for valid firmware dump\n", capture_mask);
+		return -EINVAL;
+	}
+	template_hdr = (struct netxen_minidump_template_hdr *) template_buff;
+	num_of_entries = template_hdr->num_of_entries;
+	entry = (struct netxen_minidump_entry *) ((char *) template_buff +
+				template_hdr->first_entry_offset);
+	memcpy(dump_buff, template_buff, adapter->mdump.md_template_size);
+	dump_buff = dump_buff + adapter->mdump.md_template_size;
+
+	if (template_hdr->entry_type == TLHDR)
+		sane_start = 1;
+
+	for (e_cnt = 0, buff_level = 0; e_cnt < num_of_entries; e_cnt++) {
+		if (!(entry->hdr.entry_capture_mask & capture_mask)) {
+			entry->hdr.driver_flags |= NX_DUMP_SKIP;
+			entry = (struct netxen_minidump_entry *)
+				((char *) entry + entry->hdr.entry_size);
+			continue;
+		}
+		switch (entry->hdr.entry_type) {
+		case RDNOP:
+			entry->hdr.driver_flags |= NX_DUMP_SKIP;
+			break;
+		case RDEND:
+			entry->hdr.driver_flags |= NX_DUMP_SKIP;
+			if (!sane_end)
+				end_cnt = e_cnt;
+			sane_end += 1;
+			break;
+		case CNTRL:
+			rv = netxen_md_cntrl(adapter,
+				template_hdr, (void *)entry);
+			if (rv)
+				entry->hdr.driver_flags |= NX_DUMP_SKIP;
+			break;
+		case RDCRB:
+			dbuff = dump_buff + buff_level;
+			esize = netxen_md_rd_crb(adapter,
+					(void *) entry, (void *) dbuff);
+			rv = netxen_md_entry_err_chk
+				(adapter, entry, esize);
+			if (rv < 0)
+				break;
+			buff_level += esize;
+			break;
+		case RDMN:
+		case RDMEM:
+			dbuff = dump_buff + buff_level;
+			esize = netxen_md_rdmem(adapter,
+				(void *) entry, (void *) dbuff);
+			rv = netxen_md_entry_err_chk
+				(adapter, entry, esize);
+			if (rv < 0)
+				break;
+			buff_level += esize;
+			break;
+		case BOARD:
+		case RDROM:
+			dbuff = dump_buff + buff_level;
+			esize = netxen_md_rdrom(adapter,
+				(void *) entry, (void *) dbuff);
+			rv = netxen_md_entry_err_chk
+				(adapter, entry, esize);
+			if (rv < 0)
+				break;
+			buff_level += esize;
+			break;
+		case L2ITG:
+		case L2DTG:
+		case L2DAT:
+		case L2INS:
+			dbuff = dump_buff + buff_level;
+			esize = netxen_md_L2Cache(adapter,
+				(void *) entry, (void *) dbuff);
+			rv = netxen_md_entry_err_chk
+				(adapter, entry, esize);
+			if (rv < 0)
+				break;
+			buff_level += esize;
+			break;
+		case L1DAT:
+		case L1INS:
+			dbuff = dump_buff + buff_level;
+			esize = netxen_md_L1Cache(adapter,
+				(void *) entry, (void *) dbuff);
+			rv = netxen_md_entry_err_chk
+				(adapter, entry, esize);
+			if (rv < 0)
+				break;
+			buff_level += esize;
+			break;
+		case RDOCM:
+			dbuff = dump_buff + buff_level;
+			esize = netxen_md_rdocm(adapter,
+				(void *) entry, (void *) dbuff);
+			rv = netxen_md_entry_err_chk
+				(adapter, entry, esize);
+			if (rv < 0)
+				break;
+			buff_level += esize;
+			break;
+		case RDMUX:
+			dbuff = dump_buff + buff_level;
+			esize = netxen_md_rdmux(adapter,
+				(void *) entry, (void *) dbuff);
+			rv = netxen_md_entry_err_chk
+				(adapter, entry, esize);
+			if (rv < 0)
+				break;
+			buff_level += esize;
+			break;
+		case QUEUE:
+			dbuff = dump_buff + buff_level;
+			esize = netxen_md_rdqueue(adapter,
+				(void *) entry, (void *) dbuff);
+			rv = netxen_md_entry_err_chk
+				(adapter, entry, esize);
+			if (rv  < 0)
+				break;
+			buff_level += esize;
+			break;
+		default:
+			entry->hdr.driver_flags |= NX_DUMP_SKIP;
+			break;
+		}
+		/* Next entry in the template */
+		entry = (struct netxen_minidump_entry *)
+			((char *) entry + entry->hdr.entry_size);
+	}
+	if (!sane_start || sane_end > 1) {
+		dev_err(&adapter->pdev->dev,
+				"Firmware minidump template configuration error.\n");
+	}
+	return 0;
+}
+
+static int
+netxen_collect_minidump(struct netxen_adapter *adapter)
+{
+	int ret = 0;
+	struct netxen_minidump_template_hdr *hdr;
+	struct timespec val;
+	hdr = (struct netxen_minidump_template_hdr *)
+				adapter->mdump.md_template;
+	hdr->driver_capture_mask = adapter->mdump.md_capture_mask;
+	jiffies_to_timespec(jiffies, &val);
+	hdr->driver_timestamp = (u32) val.tv_sec;
+	hdr->driver_info_word2 = adapter->fw_version;
+	hdr->driver_info_word3 = NXRD32(adapter, CRB_DRIVER_VERSION);
+	ret = netxen_parse_md_template(adapter);
+	if (ret)
+		return ret;
+
+	return ret;
+}
+
+
+void
+netxen_dump_fw(struct netxen_adapter *adapter)
+{
+	struct netxen_minidump_template_hdr *hdr;
+	int i, k, data_size = 0;
+	u32 capture_mask;
+	hdr = (struct netxen_minidump_template_hdr *)
+				adapter->mdump.md_template;
+	capture_mask = adapter->mdump.md_capture_mask;
+
+	for (i = 0x2, k = 1; (i & NX_DUMP_MASK_MAX); i <<= 1, k++) {
+		if (i & capture_mask)
+			data_size += hdr->capture_size_array[k];
+	}
+	if (!data_size) {
+		dev_err(&adapter->pdev->dev,
+				"Invalid cap sizes for capture_mask=0x%x\n",
+			adapter->mdump.md_capture_mask);
+		return;
+	}
+	adapter->mdump.md_capture_size = data_size;
+	adapter->mdump.md_dump_size = adapter->mdump.md_template_size +
+					adapter->mdump.md_capture_size;
+	if (!adapter->mdump.md_capture_buff) {
+		adapter->mdump.md_capture_buff =
+				vmalloc(adapter->mdump.md_dump_size);
+		if (!adapter->mdump.md_capture_buff) {
+			dev_info(&adapter->pdev->dev,
+				"Unable to allocate memory for minidump "
+				"capture_buffer(%d bytes).\n",
+					adapter->mdump.md_dump_size);
+			return;
+		}
+		memset(adapter->mdump.md_capture_buff, 0,
+				adapter->mdump.md_dump_size);
+		if (netxen_collect_minidump(adapter)) {
+			adapter->mdump.has_valid_dump = 0;
+			adapter->mdump.md_dump_size = 0;
+			vfree(adapter->mdump.md_capture_buff);
+			adapter->mdump.md_capture_buff = NULL;
+			dev_err(&adapter->pdev->dev,
+				"Error in collecting firmware minidump.\n");
+		} else {
+			adapter->mdump.md_timestamp = jiffies;
+			adapter->mdump.has_valid_dump = 1;
+			adapter->fw_mdump_rdy = 1;
+			dev_info(&adapter->pdev->dev, "%s Successfully "
+				"collected fw dump.\n", adapter->netdev->name);
+		}
+
+	} else {
+		dev_info(&adapter->pdev->dev,
+					"Cannot overwrite previously collected "
+							"firmware minidump.\n");
+		adapter->fw_mdump_rdy = 1;
+		return;
+	}
+}

drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c

@@ -446,7 +446,7 @@ int netxen_pinit_from_rom(struct netxen_adapter *adapter)
 
 	/* resetall */
 	netxen_rom_lock(adapter);
-	NXWR32(adapter, NETXEN_ROMUSB_GLB_SW_RESET, 0xffffffff);
+	NXWR32(adapter, NETXEN_ROMUSB_GLB_SW_RESET, 0xfeffffff);
 	netxen_rom_unlock(adapter);
 
 	if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) {
@@ -1347,7 +1347,6 @@ int netxen_phantom_init(struct netxen_adapter *adapter, int pegtune_val)
 
 	do {
 		val = NXRD32(adapter, CRB_CMDPEG_STATE);
-
 		switch (val) {
 		case PHAN_INITIALIZE_COMPLETE:
 		case PHAN_INITIALIZE_ACK:

drivers/net/ethernet/qlogic/netxen/netxen_nic_main.c

@@ -82,7 +82,6 @@ static void netxen_create_sysfs_entries(struct netxen_adapter *adapter);
 static void netxen_remove_sysfs_entries(struct netxen_adapter *adapter);
 static void netxen_create_diag_entries(struct netxen_adapter *adapter);
 static void netxen_remove_diag_entries(struct netxen_adapter *adapter);
-
 static int nx_dev_request_aer(struct netxen_adapter *adapter);
 static int nx_decr_dev_ref_cnt(struct netxen_adapter *adapter);
 static int netxen_can_start_firmware(struct netxen_adapter *adapter);
@@ -802,10 +801,10 @@ err_out:
 static void
 netxen_check_options(struct netxen_adapter *adapter)
 {
-	u32 fw_major, fw_minor, fw_build;
+	u32 fw_major, fw_minor, fw_build, prev_fw_version;
 	char brd_name[NETXEN_MAX_SHORT_NAME];
 	char serial_num[32];
-	int i, offset, val;
+	int i, offset, val, err;
 	int *ptr32;
 	struct pci_dev *pdev = adapter->pdev;
 
@@ -826,9 +825,22 @@ netxen_check_options(struct netxen_adapter *adapter)
 	fw_major = NXRD32(adapter, NETXEN_FW_VERSION_MAJOR);
 	fw_minor = NXRD32(adapter, NETXEN_FW_VERSION_MINOR);
 	fw_build = NXRD32(adapter, NETXEN_FW_VERSION_SUB);
-
+	prev_fw_version = adapter->fw_version;
 	adapter->fw_version = NETXEN_VERSION_CODE(fw_major, fw_minor, fw_build);
 
+	/* Get FW Mini Coredump template and store it */
+	 if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) {
+		if (adapter->mdump.md_template == NULL ||
+				adapter->fw_version > prev_fw_version) {
+			kfree(adapter->mdump.md_template);
+			adapter->mdump.md_template = NULL;
+			err = netxen_setup_minidump(adapter);
+			if (err)
+				dev_err(&adapter->pdev->dev,
+				"Failed to setup minidump rcode = %d\n", err);
+		}
+	}
+
 	if (adapter->portnum == 0) {
 		get_brd_name_by_type(adapter->ahw.board_type, brd_name);
 
@@ -909,7 +921,12 @@ netxen_start_firmware(struct netxen_adapter *adapter)
 	if (err)
 		return err;
 
-	if (!netxen_can_start_firmware(adapter))
+	err = netxen_can_start_firmware(adapter);
+
+	if (err < 0)
+		return err;
+
+	if (!err)
 		goto wait_init;
 
 	first_boot = NXRD32(adapter, NETXEN_CAM_RAM(0x1fc));
@@ -1528,6 +1545,18 @@ err_out_disable_pdev:
 	return err;
 }
 
+static
+void netxen_cleanup_minidump(struct netxen_adapter *adapter)
+{
+	kfree(adapter->mdump.md_template);
+	adapter->mdump.md_template = NULL;
+
+	if (adapter->mdump.md_capture_buff) {
+		vfree(adapter->mdump.md_capture_buff);
+		adapter->mdump.md_capture_buff = NULL;
+	}
+}
+
 static void __devexit netxen_nic_remove(struct pci_dev *pdev)
 {
 	struct netxen_adapter *adapter;
@@ -1563,8 +1592,10 @@ static void __devexit netxen_nic_remove(struct pci_dev *pdev)
 
 	netxen_release_firmware(adapter);
 
-	if (NX_IS_REVISION_P3(pdev->revision))
+	if (NX_IS_REVISION_P3(pdev->revision)) {
+		netxen_cleanup_minidump(adapter);
 		pci_disable_pcie_error_reporting(pdev);
+	}
 
 	pci_release_regions(pdev);
 	pci_disable_device(pdev);
@@ -2316,7 +2347,7 @@ nx_incr_dev_ref_cnt(struct netxen_adapter *adapter)
 static int
 nx_decr_dev_ref_cnt(struct netxen_adapter *adapter)
 {
-	int count;
+	int count, state;
 	if (netxen_api_lock(adapter))
 		return -EIO;
 
@@ -2324,8 +2355,9 @@ nx_decr_dev_ref_cnt(struct netxen_adapter *adapter)
 	WARN_ON(count == 0);
 
 	NXWR32(adapter, NX_CRB_DEV_REF_COUNT, --count);
+	state = NXRD32(adapter, NX_CRB_DEV_STATE);
 
-	if (count == 0)
+	if (count == 0 && state != NX_DEV_FAILED)
 		NXWR32(adapter, NX_CRB_DEV_STATE, NX_DEV_COLD);
 
 	netxen_api_unlock(adapter);
@@ -2354,7 +2386,7 @@ nx_dev_request_aer(struct netxen_adapter *adapter)
 	return ret;
 }
 
-static int
+int
 nx_dev_request_reset(struct netxen_adapter *adapter)
 {
 	u32 state;
@@ -2365,10 +2397,11 @@ nx_dev_request_reset(struct netxen_adapter *adapter)
 
 	state = NXRD32(adapter, NX_CRB_DEV_STATE);
 
-	if (state == NX_DEV_NEED_RESET)
+	if (state == NX_DEV_NEED_RESET || state == NX_DEV_FAILED)
 		ret = 0;
 	else if (state != NX_DEV_INITALIZING && state != NX_DEV_NEED_AER) {
 		NXWR32(adapter, NX_CRB_DEV_STATE, NX_DEV_NEED_RESET);
+		adapter->flags |= NETXEN_FW_RESET_OWNER;
 		ret = 0;
 	}
 
@@ -2383,8 +2416,10 @@ netxen_can_start_firmware(struct netxen_adapter *adapter)
 	int count;
 	int can_start = 0;
 
-	if (netxen_api_lock(adapter))
-		return 0;
+	if (netxen_api_lock(adapter)) {
+		nx_incr_dev_ref_cnt(adapter);
+		return -1;
+	}
 
 	count = NXRD32(adapter, NX_CRB_DEV_REF_COUNT);
 
@@ -2456,8 +2491,31 @@ netxen_fwinit_work(struct work_struct *work)
 	struct netxen_adapter *adapter = container_of(work,
 				struct netxen_adapter, fw_work.work);
 	int dev_state;
-
+	int count;
 	dev_state = NXRD32(adapter, NX_CRB_DEV_STATE);
+	if (adapter->flags & NETXEN_FW_RESET_OWNER) {
+		count = NXRD32(adapter, NX_CRB_DEV_REF_COUNT);
+		WARN_ON(count == 0);
+		if (count == 1) {
+			if (adapter->mdump.md_enabled) {
+				rtnl_lock();
+				netxen_dump_fw(adapter);
+				rtnl_unlock();
+			}
+			adapter->flags &= ~NETXEN_FW_RESET_OWNER;
+			if (netxen_api_lock(adapter)) {
+				clear_bit(__NX_RESETTING, &adapter->state);
+				NXWR32(adapter, NX_CRB_DEV_STATE,
+						NX_DEV_FAILED);
+				return;
+			}
+			count = NXRD32(adapter, NX_CRB_DEV_REF_COUNT);
+			NXWR32(adapter, NX_CRB_DEV_REF_COUNT, --count);
+			NXWR32(adapter, NX_CRB_DEV_STATE, NX_DEV_COLD);
+			dev_state = NX_DEV_COLD;
+			netxen_api_unlock(adapter);
+		}
+	}
 
 	switch (dev_state) {
 	case NX_DEV_COLD:
@@ -2470,11 +2528,9 @@ netxen_fwinit_work(struct work_struct *work)
 
 	case NX_DEV_NEED_RESET:
 	case NX_DEV_INITALIZING:
-		if (++adapter->fw_wait_cnt < FW_POLL_THRESH) {
 			netxen_schedule_work(adapter,
 					netxen_fwinit_work, 2 * FW_POLL_DELAY);
 			return;
-		}
 
 	case NX_DEV_FAILED:
 	default:
@@ -2482,6 +2538,15 @@ netxen_fwinit_work(struct work_struct *work)
 		break;
 	}
 
+	if (netxen_api_lock(adapter)) {
+		clear_bit(__NX_RESETTING, &adapter->state);
+		return;
+	}
+	NXWR32(adapter, NX_CRB_DEV_STATE, NX_DEV_FAILED);
+	netxen_api_unlock(adapter);
+	dev_err(&adapter->pdev->dev, "%s: Device initialization Failed\n",
+				adapter->netdev->name);
+
 	clear_bit(__NX_RESETTING, &adapter->state);
 }
 
@@ -2491,7 +2556,7 @@ netxen_detach_work(struct work_struct *work)
 	struct netxen_adapter *adapter = container_of(work,
 				struct netxen_adapter, fw_work.work);
 	struct net_device *netdev = adapter->netdev;
-	int ref_cnt, delay;
+	int ref_cnt = 0, delay;
 	u32 status;
 
 	netif_device_detach(netdev);
@@ -2510,7 +2575,8 @@ netxen_detach_work(struct work_struct *work)
 	if (adapter->temp == NX_TEMP_PANIC)
 		goto err_ret;
 
-	ref_cnt = nx_decr_dev_ref_cnt(adapter);
+	if (!(adapter->flags & NETXEN_FW_RESET_OWNER))
+		ref_cnt = nx_decr_dev_ref_cnt(adapter);
 
 	if (ref_cnt == -EIO)
 		goto err_ret;
@@ -2550,7 +2616,7 @@ netxen_check_health(struct netxen_adapter *adapter)
 	 * Send request to destroy context in case of tx timeout only
 	 * and doesn't required in case of Fw hang
 	 */
-	if (state == NX_DEV_NEED_RESET) {
+	if (state == NX_DEV_NEED_RESET || state == NX_DEV_FAILED) {
 		adapter->need_fw_reset = 1;
 		if (NX_IS_REVISION_P2(adapter->ahw.revision_id))
 			goto detach;