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[SCSI] be2iscsi: Add support for iscsi boot 

This patch contains changes for adding support for iscsi_boot.
Have modified to make read of mac address from chip as a function.

  The mac_address is being cached after teh first call as it is
not expected to change

Signed-off-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: Jayamohan Kallickal <jayamohank@serverengines.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
This commit is contained in:
Jayamohan Kallickal 2010-07-22 04:29:18 +05:30 committed by James Bottomley
parent f3506b755f
commit c7acc5b8f9
6 changed files with 564 additions and 46 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

147
drivers/scsi/be2iscsi/be_cmds.h
View File

@ -162,6 +162,13 @@ struct be_mcc_mailbox {
#define OPCODE_COMMON_ISCSI_CFG_POST_SGL_PAGES 2
#define OPCODE_COMMON_ISCSI_CFG_REMOVE_SGL_PAGES 3
#define OPCODE_COMMON_ISCSI_NTWK_GET_NIC_CONFIG 7
#define OPCODE_COMMON_ISCSI_NTWK_SET_VLAN 14
#define OPCODE_COMMON_ISCSI_NTWK_CONFIGURE_STATELESS_IP_ADDR 17
#define OPCODE_COMMON_ISCSI_NTWK_MODIFY_IP_ADDR 21
#define OPCODE_COMMON_ISCSI_NTWK_GET_DEFAULT_GATEWAY 22
#define OPCODE_COMMON_ISCSI_NTWK_MODIFY_DEFAULT_GATEWAY 23
#define OPCODE_COMMON_ISCSI_NTWK_GET_ALL_IF_ID 24
#define OPCODE_COMMON_ISCSI_NTWK_GET_IF_INFO 25
#define OPCODE_COMMON_ISCSI_SET_FRAGNUM_BITS_FOR_SGL_CRA 61
#define OPCODE_COMMON_ISCSI_DEFQ_CREATE 64
#define OPCODE_COMMON_ISCSI_DEFQ_DESTROY 65
@ -237,11 +244,109 @@ struct be_cmd_resp_eq_create {
u16 rsvd0; /* sword */
} __packed;
struct mgmt_chap_format {
u32 flags;
u8 intr_chap_name[256];
u8 intr_secret[16];
u8 target_chap_name[256];
u8 target_secret[16];
u16 intr_chap_name_length;
u16 intr_secret_length;
u16 target_chap_name_length;
u16 target_secret_length;
} __packed;
struct mgmt_auth_method_format {
u8 auth_method_type;
u8 padding[3];
struct mgmt_chap_format chap;
} __packed;
struct mgmt_conn_login_options {
u8 flags;
u8 header_digest;
u8 data_digest;
u8 rsvd0;
u32 max_recv_datasegment_len_ini;
u32 max_recv_datasegment_len_tgt;
u32 tcp_mss;
u32 tcp_window_size;
struct mgmt_auth_method_format auth_data;
} __packed;
struct ip_address_format {
u16 size_of_structure;
u8 reserved;
u8 ip_type;
u8 ip_address[16];
u32 rsvd0;
} __packed;
struct mgmt_conn_info {
u32 connection_handle;
u32 connection_status;
u16 src_port;
u16 dest_port;
u16 dest_port_redirected;
u16 cid;
u32 estimated_throughput;
struct ip_address_format src_ipaddr;
struct ip_address_format dest_ipaddr;
struct ip_address_format dest_ipaddr_redirected;
struct mgmt_conn_login_options negotiated_login_options;
} __packed;
struct mgmt_session_login_options {
u8 flags;
u8 error_recovery_level;
u16 rsvd0;
u32 first_burst_length;
u32 max_burst_length;
u16 max_connections;
u16 max_outstanding_r2t;
u16 default_time2wait;
u16 default_time2retain;
} __packed;
struct mgmt_session_info {
u32 session_handle;
u32 status;
u8 isid[6];
u16 tsih;
u32 session_flags;
u16 conn_count;
u16 pad;
u8 target_name[224];
u8 initiator_iscsiname[224];
struct mgmt_session_login_options negotiated_login_options;
struct mgmt_conn_info conn_list[1];
} __packed;
struct be_cmd_req_get_session {
struct be_cmd_req_hdr hdr;
u32 session_handle;
} __packed;
struct be_cmd_resp_get_session {
struct be_cmd_resp_hdr hdr;
struct mgmt_session_info session_info;
} __packed;
struct mac_addr {
u16 size_of_struct;
u8 addr[ETH_ALEN];
} __packed;
struct be_cmd_req_get_boot_target {
struct be_cmd_req_hdr hdr;
} __packed;
struct be_cmd_resp_get_boot_target {
struct be_cmd_resp_hdr hdr;
u32 boot_session_count;
int boot_session_handle;
};
struct be_cmd_req_mac_query {
struct be_cmd_req_hdr hdr;
u8 type;
@ -426,6 +531,11 @@ int be_poll_mcc(struct be_ctrl_info *ctrl);
int mgmt_check_supported_fw(struct be_ctrl_info *ctrl,
struct beiscsi_hba *phba);
unsigned int be_cmd_get_mac_addr(struct beiscsi_hba *phba);
unsigned int beiscsi_get_boot_target(struct beiscsi_hba *phba);
unsigned int beiscsi_get_session_info(struct beiscsi_hba *phba,
u32 boot_session_handle,
struct be_dma_mem *nonemb_cmd);
void free_mcc_tag(struct be_ctrl_info *ctrl, unsigned int tag);
/*ISCSI Functuions */
int be_cmd_fw_initialize(struct be_ctrl_info *ctrl);
@ -601,14 +711,6 @@ struct be_eq_delay_params_in {
struct eq_delay delay[8];
} __packed;
struct ip_address_format {
u16 size_of_structure;
u8 reserved;
u8 ip_type;
u8 ip_address[16];
u32 rsvd0;
} __packed;
struct tcp_connect_and_offload_in {
struct be_cmd_req_hdr hdr;
struct ip_address_format ip_address;
@ -688,18 +790,29 @@ struct be_fw_cfg {
u32 function_caps;
} __packed;
#define CMD_ISCSI_COMMAND_INVALIDATE 1
#define ISCSI_OPCODE_SCSI_DATA_OUT 5
struct be_all_if_id {
struct be_cmd_req_hdr hdr;
u32 if_count;
u32 if_hndl_list[1];
} __packed;
#define ISCSI_OPCODE_SCSI_DATA_OUT 5
#define OPCODE_COMMON_MODIFY_EQ_DELAY 41
#define OPCODE_COMMON_ISCSI_CLEANUP 59
#define OPCODE_COMMON_TCP_UPLOAD 56
#define OPCODE_COMMON_ISCSI_TCP_CONNECT_AND_OFFLOAD 70
#define OPCODE_ISCSI_INI_DRIVER_OFFLOAD_SESSION 41
#define OPCODE_COMMON_MODIFY_EQ_DELAY 41
#define OPCODE_COMMON_ISCSI_CLEANUP 59
#define OPCODE_COMMON_TCP_UPLOAD 56
#define OPCODE_COMMON_ISCSI_ERROR_RECOVERY_INVALIDATE_COMMANDS 1
/* --- CMD_ISCSI_INVALIDATE_CONNECTION_TYPE --- */
#define CMD_ISCSI_CONNECTION_INVALIDATE 0x8001
#define CMD_ISCSI_CONNECTION_ISSUE_TCP_RST 0x8002
#define OPCODE_ISCSI_INI_CFG_GET_HBA_NAME 6
#define OPCODE_ISCSI_INI_CFG_SET_HBA_NAME 7
#define OPCODE_ISCSI_INI_SESSION_GET_A_SESSION 14
#define OPCODE_ISCSI_INI_DRIVER_OFFLOAD_SESSION 41
#define OPCODE_ISCSI_INI_DRIVER_INVALIDATE_CONNECTION 42
#define OPCODE_ISCSI_INI_BOOT_GET_BOOT_TARGET 52
/* --- CMD_ISCSI_INVALIDATE_CONNECTION_TYPE --- */
#define CMD_ISCSI_COMMAND_INVALIDATE 1
#define CMD_ISCSI_CONNECTION_INVALIDATE 0x8001
#define CMD_ISCSI_CONNECTION_ISSUE_TCP_RST 0x8002
#define INI_WR_CMD 1 /* Initiator write command */
#define INI_TMF_CMD 2 /* Initiator TMF command */

76
drivers/scsi/be2iscsi/be_iscsi.c
View File

@ -300,40 +300,16 @@ int beiscsi_get_host_param(struct Scsi_Host *shost,
enum iscsi_host_param param, char *buf)
{
struct beiscsi_hba *phba = (struct beiscsi_hba *)iscsi_host_priv(shost);
struct be_cmd_resp_get_mac_addr *resp;
struct be_mcc_wrb *wrb;
unsigned int tag, wrb_num;
int len = 0;
unsigned short status, extd_status;
struct be_queue_info *mccq = &phba->ctrl.mcc_obj.q;
int status;
SE_DEBUG(DBG_LVL_8, "In beiscsi_get_host_param, param= %d\n", param);
switch (param) {
case ISCSI_HOST_PARAM_HWADDRESS:
tag = be_cmd_get_mac_addr(phba);
if (!tag) {
SE_DEBUG(DBG_LVL_1, "be_cmd_get_mac_addr Failed\n");
return -EAGAIN;
} else
wait_event_interruptible(phba->ctrl.mcc_wait[tag],
phba->ctrl.mcc_numtag[tag]);
wrb_num = (phba->ctrl.mcc_numtag[tag] & 0x00FF0000) >> 16;
extd_status = (phba->ctrl.mcc_numtag[tag] & 0x0000FF00) >> 8;
status = phba->ctrl.mcc_numtag[tag] & 0x000000FF;
if (status || extd_status) {
SE_DEBUG(DBG_LVL_1, "be_cmd_get_mac_addr Failed"
" status = %d extd_status = %d\n",
status, extd_status);
free_mcc_tag(&phba->ctrl, tag);
return -EAGAIN;
} else {
wrb = queue_get_wrb(mccq, wrb_num);
free_mcc_tag(&phba->ctrl, tag);
resp = embedded_payload(wrb);
memcpy(phba->mac_address, resp->mac_address, ETH_ALEN);
len = sysfs_format_mac(buf, phba->mac_address,
ETH_ALEN);
status = beiscsi_get_macaddr(buf, phba);
if (status < 0) {
SE_DEBUG(DBG_LVL_1, "beiscsi_get_macaddr Failed\n");
return status;
}
break;
default:
@ -342,6 +318,48 @@ int beiscsi_get_host_param(struct Scsi_Host *shost,
return len;
}
int beiscsi_get_macaddr(char *buf, struct beiscsi_hba *phba)
{
struct be_cmd_resp_get_mac_addr *resp;
struct be_mcc_wrb *wrb;
unsigned int tag, wrb_num;
unsigned short status, extd_status;
struct be_queue_info *mccq = &phba->ctrl.mcc_obj.q;
int rc;
if (phba->read_mac_address)
return sysfs_format_mac(buf, phba->mac_address,
ETH_ALEN);
tag = be_cmd_get_mac_addr(phba);
if (!tag) {
SE_DEBUG(DBG_LVL_1, "be_cmd_get_mac_addr Failed\n");
return -EBUSY;
} else
wait_event_interruptible(phba->ctrl.mcc_wait[tag],
phba->ctrl.mcc_numtag[tag]);
wrb_num = (phba->ctrl.mcc_numtag[tag] & 0x00FF0000) >> 16;
extd_status = (phba->ctrl.mcc_numtag[tag] & 0x0000FF00) >> 8;
status = phba->ctrl.mcc_numtag[tag] & 0x000000FF;
if (status || extd_status) {
SE_DEBUG(DBG_LVL_1, "Failed to get be_cmd_get_mac_addr"
" status = %d extd_status = %d\n",
status, extd_status);
free_mcc_tag(&phba->ctrl, tag);
return -EAGAIN;
}
wrb = queue_get_wrb(mccq, wrb_num);
free_mcc_tag(&phba->ctrl, tag);
resp = embedded_payload(wrb);
memcpy(phba->mac_address, resp->mac_address, ETH_ALEN);
rc = sysfs_format_mac(buf, phba->mac_address,
ETH_ALEN);
phba->read_mac_address = 1;
return rc;
}
/**
* beiscsi_conn_get_stats - get the iscsi stats
* @cls_conn: pointer to iscsi cls conn

2
drivers/scsi/be2iscsi/be_iscsi.h
View File

@ -54,6 +54,8 @@ int beiscsi_conn_get_param(struct iscsi_cls_conn *cls_conn,
int beiscsi_get_host_param(struct Scsi_Host *shost,
enum iscsi_host_param param, char *buf);
int beiscsi_get_macaddr(char *buf, struct beiscsi_hba *phba);
int beiscsi_set_param(struct iscsi_cls_conn *cls_conn,
enum iscsi_param param, char *buf, int buflen);

311
drivers/scsi/be2iscsi/be_main.c
View File

@ -26,6 +26,7 @@
#include <linux/string.h>
#include <linux/kernel.h>
#include <linux/semaphore.h>
#include <linux/iscsi_boot_sysfs.h>
#include <scsi/libiscsi.h>
#include <scsi/scsi_transport_iscsi.h>
@ -211,6 +212,218 @@ unlock:
return rc;
}
static ssize_t beiscsi_show_boot_tgt_info(void *data, int type, char *buf)
{
struct beiscsi_hba *phba = data;
char *str = buf;
int rc;
switch (type) {
case ISCSI_BOOT_TGT_NAME:
rc = sprintf(buf, "%.*s\n",
(int)strlen(phba->boot_sess.target_name),
(char *)&phba->boot_sess.target_name);
break;
case ISCSI_BOOT_TGT_IP_ADDR:
if (phba->boot_sess.conn_list[0].dest_ipaddr.ip_type == 0x1)
rc = sprintf(buf, "%pI4\n",
(char *)&phba->boot_sess.conn_list[0].
dest_ipaddr.ip_address);
else
rc = sprintf(str, "%pI6\n",
(char *)&phba->boot_sess.conn_list[0].
dest_ipaddr.ip_address);
break;
case ISCSI_BOOT_TGT_PORT:
rc = sprintf(str, "%d\n", phba->boot_sess.conn_list[0].
dest_port);
break;
case ISCSI_BOOT_TGT_CHAP_NAME:
rc = sprintf(str, "%.*s\n",
phba->boot_sess.conn_list[0].
negotiated_login_options.auth_data.chap.
target_chap_name_length,
(char *)&phba->boot_sess.conn_list[0].
negotiated_login_options.auth_data.chap.
target_chap_name);
break;
case ISCSI_BOOT_TGT_CHAP_SECRET:
rc = sprintf(str, "%.*s\n",
phba->boot_sess.conn_list[0].
negotiated_login_options.auth_data.chap.
target_secret_length,
(char *)&phba->boot_sess.conn_list[0].
negotiated_login_options.auth_data.chap.
target_secret);
break;
case ISCSI_BOOT_TGT_REV_CHAP_NAME:
rc = sprintf(str, "%.*s\n",
phba->boot_sess.conn_list[0].
negotiated_login_options.auth_data.chap.
intr_chap_name_length,
(char *)&phba->boot_sess.conn_list[0].
negotiated_login_options.auth_data.chap.
intr_chap_name);
break;
case ISCSI_BOOT_TGT_REV_CHAP_SECRET:
rc = sprintf(str, "%.*s\n",
phba->boot_sess.conn_list[0].
negotiated_login_options.auth_data.chap.
intr_secret_length,
(char *)&phba->boot_sess.conn_list[0].
negotiated_login_options.auth_data.chap.
intr_secret);
break;
case ISCSI_BOOT_TGT_FLAGS:
rc = sprintf(str, "2\n");
break;
case ISCSI_BOOT_TGT_NIC_ASSOC:
rc = sprintf(str, "0\n");
break;
default:
rc = -ENOSYS;
break;
}
return rc;
}
static ssize_t beiscsi_show_boot_ini_info(void *data, int type, char *buf)
{
struct beiscsi_hba *phba = data;
char *str = buf;
int rc;
switch (type) {
case ISCSI_BOOT_INI_INITIATOR_NAME:
rc = sprintf(str, "%s\n", phba->boot_sess.initiator_iscsiname);
break;
default:
rc = -ENOSYS;
break;
}
return rc;
}
static ssize_t beiscsi_show_boot_eth_info(void *data, int type, char *buf)
{
struct beiscsi_hba *phba = data;
char *str = buf;
int rc;
switch (type) {
case ISCSI_BOOT_ETH_FLAGS:
rc = sprintf(str, "2\n");
break;
case ISCSI_BOOT_ETH_INDEX:
rc = sprintf(str, "0\n");
break;
case ISCSI_BOOT_ETH_MAC:
rc = beiscsi_get_macaddr(buf, phba);
if (rc < 0) {
SE_DEBUG(DBG_LVL_1, "beiscsi_get_macaddr Failed\n");
return rc;
}
break;
default:
rc = -ENOSYS;
break;
}
return rc;
}
static mode_t beiscsi_tgt_get_attr_visibility(void *data, int type)
{
int rc;
switch (type) {
case ISCSI_BOOT_TGT_NAME:
case ISCSI_BOOT_TGT_IP_ADDR:
case ISCSI_BOOT_TGT_PORT:
case ISCSI_BOOT_TGT_CHAP_NAME:
case ISCSI_BOOT_TGT_CHAP_SECRET:
case ISCSI_BOOT_TGT_REV_CHAP_NAME:
case ISCSI_BOOT_TGT_REV_CHAP_SECRET:
case ISCSI_BOOT_TGT_NIC_ASSOC:
case ISCSI_BOOT_TGT_FLAGS:
rc = S_IRUGO;
break;
default:
rc = 0;
break;
}
return rc;
}
static mode_t beiscsi_ini_get_attr_visibility(void *data, int type)
{
int rc;
switch (type) {
case ISCSI_BOOT_INI_INITIATOR_NAME:
rc = S_IRUGO;
break;
default:
rc = 0;
break;
}
return rc;
}
static mode_t beiscsi_eth_get_attr_visibility(void *data, int type)
{
int rc;
switch (type) {
case ISCSI_BOOT_ETH_FLAGS:
case ISCSI_BOOT_ETH_MAC:
case ISCSI_BOOT_ETH_INDEX:
rc = S_IRUGO;
break;
default:
rc = 0;
break;
}
return rc;
}
static int beiscsi_setup_boot_info(struct beiscsi_hba *phba)
{
struct iscsi_boot_kobj *boot_kobj;
phba->boot_kset = iscsi_boot_create_host_kset(phba->shost->host_no);
if (!phba->boot_kset)
return -ENOMEM;
/* get boot info using mgmt cmd */
boot_kobj = iscsi_boot_create_target(phba->boot_kset, 0, phba,
beiscsi_show_boot_tgt_info,
beiscsi_tgt_get_attr_visibility);
if (!boot_kobj)
goto free_kset;
boot_kobj = iscsi_boot_create_initiator(phba->boot_kset, 0, phba,
beiscsi_show_boot_ini_info,
beiscsi_ini_get_attr_visibility);
if (!boot_kobj)
goto free_kset;
boot_kobj = iscsi_boot_create_ethernet(phba->boot_kset, 0, phba,
beiscsi_show_boot_eth_info,
beiscsi_eth_get_attr_visibility);
if (!boot_kobj)
goto free_kset;
return 0;
free_kset:
iscsi_boot_destroy_kset(phba->boot_kset);
return -ENOMEM;
}
/*------------------- PCI Driver operations and data ----------------- */
static DEFINE_PCI_DEVICE_TABLE(beiscsi_pci_id_table) = {
{ PCI_DEVICE(BE_VENDOR_ID, BE_DEVICE_ID1) },
@ -268,6 +481,15 @@ static struct beiscsi_hba *beiscsi_hba_alloc(struct pci_dev *pcidev)
if (iscsi_host_add(shost, &phba->pcidev->dev))
goto free_devices;
if (beiscsi_setup_boot_info(phba))
/*
* log error but continue, because we may not be using
* iscsi boot.
*/
shost_printk(KERN_ERR, phba->shost, "Could not set up "
"iSCSI boot info.");
return phba;
free_devices:
@ -3279,6 +3501,89 @@ static void hwi_disable_intr(struct beiscsi_hba *phba)
"In hwi_disable_intr, Already Disabled\n");
}
static int beiscsi_get_boot_info(struct beiscsi_hba *phba)
{
struct be_cmd_resp_get_boot_target *boot_resp;
struct be_cmd_resp_get_session *session_resp;
struct be_mcc_wrb *wrb;
struct be_dma_mem nonemb_cmd;
unsigned int tag, wrb_num;
unsigned short status, extd_status;
struct be_queue_info *mccq = &phba->ctrl.mcc_obj.q;
tag = beiscsi_get_boot_target(phba);
if (!tag) {
SE_DEBUG(DBG_LVL_1, "be_cmd_get_mac_addr Failed\n");
return -EAGAIN;
} else
wait_event_interruptible(phba->ctrl.mcc_wait[tag],
phba->ctrl.mcc_numtag[tag]);
wrb_num = (phba->ctrl.mcc_numtag[tag] & 0x00FF0000) >> 16;
extd_status = (phba->ctrl.mcc_numtag[tag] & 0x0000FF00) >> 8;
status = phba->ctrl.mcc_numtag[tag] & 0x000000FF;
if (status || extd_status) {
SE_DEBUG(DBG_LVL_1, "be_cmd_get_mac_addr Failed"
" status = %d extd_status = %d\n",
status, extd_status);
free_mcc_tag(&phba->ctrl, tag);
return -EBUSY;
}
wrb = queue_get_wrb(mccq, wrb_num);
free_mcc_tag(&phba->ctrl, tag);
boot_resp = embedded_payload(wrb);
if (boot_resp->boot_session_handle < 0) {
printk(KERN_ERR "No Boot Session for this pci_func,"
"session Hndl = %d\n", boot_resp->boot_session_handle);
return -ENXIO;
}
nonemb_cmd.va = pci_alloc_consistent(phba->ctrl.pdev,
sizeof(*session_resp),
&nonemb_cmd.dma);
if (nonemb_cmd.va == NULL) {
SE_DEBUG(DBG_LVL_1,
"Failed to allocate memory for"
"beiscsi_get_session_info\n");
return -ENOMEM;
}
memset(nonemb_cmd.va, 0, sizeof(*session_resp));
tag = beiscsi_get_session_info(phba,
boot_resp->boot_session_handle, &nonemb_cmd);
if (!tag) {
SE_DEBUG(DBG_LVL_1, "beiscsi_get_session_info"
" Failed\n");
goto boot_freemem;
} else
wait_event_interruptible(phba->ctrl.mcc_wait[tag],
phba->ctrl.mcc_numtag[tag]);
wrb_num = (phba->ctrl.mcc_numtag[tag] & 0x00FF0000) >> 16;
extd_status = (phba->ctrl.mcc_numtag[tag] & 0x0000FF00) >> 8;
status = phba->ctrl.mcc_numtag[tag] & 0x000000FF;
if (status || extd_status) {
SE_DEBUG(DBG_LVL_1, "beiscsi_get_session_info Failed"
" status = %d extd_status = %d\n",
status, extd_status);
free_mcc_tag(&phba->ctrl, tag);
goto boot_freemem;
}
wrb = queue_get_wrb(mccq, wrb_num);
free_mcc_tag(&phba->ctrl, tag);
session_resp = nonemb_cmd.va ;
memcpy(&phba->boot_sess, &session_resp->session_info,
sizeof(struct mgmt_session_info));
pci_free_consistent(phba->ctrl.pdev, nonemb_cmd.size,
nonemb_cmd.va, nonemb_cmd.dma);
return 0;
boot_freemem:
pci_free_consistent(phba->ctrl.pdev, nonemb_cmd.size,
nonemb_cmd.va, nonemb_cmd.dma);
return -ENOMEM;
}
static int beiscsi_init_port(struct beiscsi_hba *phba)
{
int ret;
@ -3841,6 +4146,7 @@ static void beiscsi_remove(struct pci_dev *pcidev)
iscsi_host_remove(phba->shost);
pci_dev_put(phba->pcidev);
iscsi_host_free(phba->shost);
iscsi_boot_destroy_kset(phba->boot_kset);
}
static void beiscsi_msix_enable(struct beiscsi_hba *phba)
@ -3996,6 +4302,11 @@ static int __devinit beiscsi_dev_probe(struct pci_dev *pcidev,
goto free_blkenbld;
}
hwi_enable_intr(phba);
ret = beiscsi_get_boot_info(phba);
if (ret < 0) {
shost_printk(KERN_ERR, phba->shost, "beiscsi_dev_probe-"
"No Boot Devices !!!!!\n");
}
SE_DEBUG(DBG_LVL_8, "\n\n\n SUCCESS - DRIVER LOADED\n\n\n");
return 0;

3
drivers/scsi/be2iscsi/be_main.h
View File

@ -312,6 +312,7 @@ struct beiscsi_hba {
struct list_head hba_queue;
unsigned short *cid_array;
struct iscsi_endpoint **ep_array;
struct iscsi_boot_kset *boot_kset;
struct Scsi_Host *shost;
struct {
/**
@ -342,6 +343,8 @@ struct beiscsi_hba {
struct work_struct work_cqs; /* The work being queued */
struct be_ctrl_info ctrl;
unsigned int generation;
unsigned int read_mac_address;
struct mgmt_session_info boot_sess;
struct invalidate_command_table inv_tbl[128];
};

71
drivers/scsi/be2iscsi/be_mgmt.c
View File

@ -20,6 +20,77 @@
#include "be_mgmt.h"
#include "be_iscsi.h"
#include <scsi/scsi_transport_iscsi.h>
unsigned int beiscsi_get_boot_target(struct beiscsi_hba *phba)
{
struct be_ctrl_info *ctrl = &phba->ctrl;
struct be_mcc_wrb *wrb;
struct be_cmd_req_get_mac_addr *req;
unsigned int tag = 0;
SE_DEBUG(DBG_LVL_8, "In bescsi_get_boot_target\n");
spin_lock(&ctrl->mbox_lock);
tag = alloc_mcc_tag(phba);
if (!tag) {
spin_unlock(&ctrl->mbox_lock);
return tag;
}
wrb = wrb_from_mccq(phba);
req = embedded_payload(wrb);
wrb->tag0 |= tag;
be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ISCSI_INI,
OPCODE_ISCSI_INI_BOOT_GET_BOOT_TARGET,
sizeof(*req));
be_mcc_notify(phba);
spin_unlock(&ctrl->mbox_lock);
return tag;
}
unsigned int beiscsi_get_session_info(struct beiscsi_hba *phba,
u32 boot_session_handle,
struct be_dma_mem *nonemb_cmd)
{
struct be_ctrl_info *ctrl = &phba->ctrl;
struct be_mcc_wrb *wrb;
unsigned int tag = 0;
struct be_cmd_req_get_session *req;
struct be_cmd_resp_get_session *resp;
struct be_sge *sge;
SE_DEBUG(DBG_LVL_8, "In beiscsi_get_session_info\n");
spin_lock(&ctrl->mbox_lock);
tag = alloc_mcc_tag(phba);
if (!tag) {
spin_unlock(&ctrl->mbox_lock);
return tag;
}
nonemb_cmd->size = sizeof(*resp);
req = nonemb_cmd->va;
memset(req, 0, sizeof(*req));
wrb = wrb_from_mccq(phba);
sge = nonembedded_sgl(wrb);
wrb->tag0 |= tag;
wrb->tag0 |= tag;
be_wrb_hdr_prepare(wrb, sizeof(*req), false, 1);
be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ISCSI_INI,
OPCODE_ISCSI_INI_SESSION_GET_A_SESSION,
sizeof(*resp));
req->session_handle = boot_session_handle;
sge->pa_hi = cpu_to_le32(upper_32_bits(nonemb_cmd->dma));
sge->pa_lo = cpu_to_le32(nonemb_cmd->dma & 0xFFFFFFFF);
sge->len = cpu_to_le32(nonemb_cmd->size);
be_mcc_notify(phba);
spin_unlock(&ctrl->mbox_lock);
return tag;
}
int mgmt_get_fw_config(struct be_ctrl_info *ctrl,
struct beiscsi_hba *phba)