Commit 83f18a55 authored by Manish chopra's avatar Manish chopra Committed by David S. Miller
Browse files

netxen_nic: fw dump support 



Signed-off-by: default avatarManish Chopra <manish.chopra@qlogic.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 2dcd5d95

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

+420 −1
Original line number Diff line number Diff line
@@ -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

+143 −0
Original line number Diff line number Diff line
@@ -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

+104 −0
Original line number Diff line number Diff line
@@ -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

+628 −1

File changed.

Preview size limit exceeded, changes collapsed.

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

+1 −2
Original line number Diff line number Diff line
@@ -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: