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[SCSI] be2iscsi: adding functionality to change network settings using iscsiadm

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This patch allows iscsiadm to set/ delete static IP and enable /disable
DHCP.

Signed-off-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: Jayamohan Kallickal <jayamohan.kallickal@emulex.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
This commit is contained in:
Mike Christie 2012-04-03 23:41:51 -05:00 committed by James Bottomley
parent ffce3e2e8c
commit 0e43895ec1
7 changed files with 858 additions and 106 deletions
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114
drivers/scsi/be2iscsi/be_cmds.h
View File

@ -163,7 +163,8 @@ struct be_mcc_mailbox {
#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_CONFIG_STATELESS_IP_ADDR 17
#define OPCODE_COMMON_ISCSI_NTWK_REL_STATELESS_IP_ADDR 18
#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
@ -274,15 +275,15 @@ struct mgmt_conn_login_options {
struct mgmt_auth_method_format auth_data;
} __packed;
struct ip_address_format {
struct ip_addr_format {
u16 size_of_structure;
u8 reserved;
u8 ip_type;
u8 ip_address[16];
u8 addr[16];
u32 rsvd0;
} __packed;
struct mgmt_conn_info {
struct mgmt_conn_info {
u32 connection_handle;
u32 connection_status;
u16 src_port;
@ -290,9 +291,9 @@ struct mgmt_conn_info {
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 ip_addr_format src_ipaddr;
struct ip_addr_format dest_ipaddr;
struct ip_addr_format dest_ipaddr_redirected;
struct mgmt_conn_login_options negotiated_login_options;
} __packed;
@ -322,43 +323,115 @@ struct mgmt_session_info {
struct mgmt_conn_info conn_list[1];
} __packed;
struct be_cmd_req_get_session {
struct be_cmd_get_session_req {
struct be_cmd_req_hdr hdr;
u32 session_handle;
} __packed;
struct be_cmd_resp_get_session {
struct be_cmd_get_session_resp {
struct be_cmd_resp_hdr hdr;
struct mgmt_session_info session_info;
} __packed;
struct mac_addr {
u16 size_of_struct;
u16 size_of_structure;
u8 addr[ETH_ALEN];
} __packed;
struct be_cmd_req_get_boot_target {
struct be_cmd_get_boot_target_req {
struct be_cmd_req_hdr hdr;
} __packed;
struct be_cmd_resp_get_boot_target {
struct be_cmd_get_boot_target_resp {
struct be_cmd_resp_hdr hdr;
u32 boot_session_count;
int boot_session_handle;
};
struct be_cmd_req_mac_query {
struct be_cmd_mac_query_req {
struct be_cmd_req_hdr hdr;
u8 type;
u8 permanent;
u16 if_id;
} __packed;
struct be_cmd_resp_mac_query {
struct be_cmd_get_mac_resp {
struct be_cmd_resp_hdr hdr;
struct mac_addr mac;
};
struct be_ip_addr_subnet_format {
u16 size_of_structure;
u8 ip_type;
u8 ipv6_prefix_length;
u8 addr[16];
u8 subnet_mask[16];
u32 rsvd0;
} __packed;
struct be_cmd_get_if_info_req {
struct be_cmd_req_hdr hdr;
u32 interface_hndl;
u32 ip_type;
} __packed;
struct be_cmd_get_if_info_resp {
struct be_cmd_req_hdr hdr;
u32 interface_hndl;
u32 vlan_priority;
u32 ip_addr_count;
u32 dhcp_state;
struct be_ip_addr_subnet_format ip_addr;
} __packed;
struct be_ip_addr_record {
u32 action;
u32 interface_hndl;
struct be_ip_addr_subnet_format ip_addr;
u32 status;
} __packed;
struct be_ip_addr_record_params {
u32 record_entry_count;
struct be_ip_addr_record ip_record;
} __packed;
struct be_cmd_set_ip_addr_req {
struct be_cmd_req_hdr hdr;
struct be_ip_addr_record_params ip_params;
} __packed;
struct be_cmd_set_dhcp_req {
struct be_cmd_req_hdr hdr;
u32 interface_hndl;
u32 ip_type;
u32 flags;
u32 retry_count;
} __packed;
struct be_cmd_rel_dhcp_req {
struct be_cmd_req_hdr hdr;
u32 interface_hndl;
u32 ip_type;
} __packed;
struct be_cmd_set_def_gateway_req {
struct be_cmd_req_hdr hdr;
u32 action;
struct ip_addr_format ip_addr;
} __packed;
struct be_cmd_get_def_gateway_req {
struct be_cmd_req_hdr hdr;
u32 ip_type;
} __packed;
struct be_cmd_get_def_gateway_resp {
struct be_cmd_req_hdr hdr;
struct ip_addr_format ip_addr;
} __packed;
/******************** Create CQ ***************************/
/**
* Pseudo amap definition in which each bit of the actual structure is defined
@ -489,7 +562,7 @@ struct be_cmd_req_modify_eq_delay {
#define ETH_ALEN 6
struct be_cmd_req_get_mac_addr {
struct be_cmd_get_nic_conf_req {
struct be_cmd_req_hdr hdr;
u32 nic_port_count;
u32 speed;
@ -501,7 +574,7 @@ struct be_cmd_req_get_mac_addr {
u32 rsvd[23];
};
struct be_cmd_resp_get_mac_addr {
struct be_cmd_get_nic_conf_resp {
struct be_cmd_resp_hdr hdr;
u32 nic_port_count;
u32 speed;
@ -541,12 +614,7 @@ int beiscsi_cmd_mccq_create(struct beiscsi_hba *phba,
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 be_cmd_get_initname(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 */
@ -727,7 +795,7 @@ struct be_eq_delay_params_in {
struct tcp_connect_and_offload_in {
struct be_cmd_req_hdr hdr;
struct ip_address_format ip_address;
struct ip_addr_format ip_address;
u16 tcp_port;
u16 cid;
u16 cq_id;
@ -804,7 +872,7 @@ struct be_fw_cfg {
u32 function_caps;
} __packed;
struct be_all_if_id {
struct be_cmd_get_all_if_id_req {
struct be_cmd_req_hdr hdr;
u32 if_count;
u32 if_hndl_list[1];

354
drivers/scsi/be2iscsi/be_iscsi.c
View File

@ -23,6 +23,8 @@
#include <scsi/scsi_cmnd.h>
#include <scsi/scsi_device.h>
#include <scsi/scsi_host.h>
#include <scsi/scsi_netlink.h>
#include <net/netlink.h>
#include <scsi/scsi.h>
#include "be_iscsi.h"
@ -207,6 +209,301 @@ int beiscsi_conn_bind(struct iscsi_cls_session *cls_session,
return beiscsi_bindconn_cid(phba, beiscsi_conn, beiscsi_ep->ep_cid);
}
static int beiscsi_create_ipv4_iface(struct beiscsi_hba *phba)
{
if (phba->ipv4_iface)
return 0;
phba->ipv4_iface = iscsi_create_iface(phba->shost,
&beiscsi_iscsi_transport,
ISCSI_IFACE_TYPE_IPV4,
0, 0);
if (!phba->ipv4_iface) {
shost_printk(KERN_ERR, phba->shost, "Could not "
"create default IPv4 address.\n");
return -ENODEV;
}
return 0;
}
static int beiscsi_create_ipv6_iface(struct beiscsi_hba *phba)
{
if (phba->ipv6_iface)
return 0;
phba->ipv6_iface = iscsi_create_iface(phba->shost,
&beiscsi_iscsi_transport,
ISCSI_IFACE_TYPE_IPV6,
0, 0);
if (!phba->ipv6_iface) {
shost_printk(KERN_ERR, phba->shost, "Could not "
"create default IPv6 address.\n");
return -ENODEV;
}
return 0;
}
void beiscsi_create_def_ifaces(struct beiscsi_hba *phba)
{
struct be_cmd_get_if_info_resp if_info;
if (!mgmt_get_if_info(phba, BE2_IPV4, &if_info))
beiscsi_create_ipv4_iface(phba);
if (!mgmt_get_if_info(phba, BE2_IPV6, &if_info))
beiscsi_create_ipv6_iface(phba);
}
void beiscsi_destroy_def_ifaces(struct beiscsi_hba *phba)
{
if (phba->ipv6_iface)
iscsi_destroy_iface(phba->ipv6_iface);
if (phba->ipv4_iface)
iscsi_destroy_iface(phba->ipv4_iface);
}
static int
beiscsi_set_static_ip(struct Scsi_Host *shost,
struct iscsi_iface_param_info *iface_param,
void *data, uint32_t dt_len)
{
struct beiscsi_hba *phba = iscsi_host_priv(shost);
struct iscsi_iface_param_info *iface_ip = NULL;
struct iscsi_iface_param_info *iface_subnet = NULL;
struct nlattr *nla;
int ret;
switch (iface_param->param) {
case ISCSI_NET_PARAM_IPV4_BOOTPROTO:
nla = nla_find(data, dt_len, ISCSI_NET_PARAM_IPV4_ADDR);
if (nla)
iface_ip = nla_data(nla);
nla = nla_find(data, dt_len, ISCSI_NET_PARAM_IPV4_SUBNET);
if (nla)
iface_subnet = nla_data(nla);
break;
case ISCSI_NET_PARAM_IPV4_ADDR:
iface_ip = iface_param;
nla = nla_find(data, dt_len, ISCSI_NET_PARAM_IPV4_SUBNET);
if (nla)
iface_subnet = nla_data(nla);
break;
case ISCSI_NET_PARAM_IPV4_SUBNET:
iface_subnet = iface_param;
nla = nla_find(data, dt_len, ISCSI_NET_PARAM_IPV4_ADDR);
if (nla)
iface_ip = nla_data(nla);
break;
default:
shost_printk(KERN_ERR, shost, "Unsupported param %d\n",
iface_param->param);
}
if (!iface_ip || !iface_subnet) {
shost_printk(KERN_ERR, shost, "IP and Subnet Mask required\n");
return -EINVAL;
}
ret = mgmt_set_ip(phba, iface_ip, iface_subnet,
ISCSI_BOOTPROTO_STATIC);
return ret;
}
static int
beiscsi_set_ipv4(struct Scsi_Host *shost,
struct iscsi_iface_param_info *iface_param,
void *data, uint32_t dt_len)
{
struct beiscsi_hba *phba = iscsi_host_priv(shost);
int ret = 0;
/* Check the param */
switch (iface_param->param) {
case ISCSI_NET_PARAM_IPV4_GW:
ret = mgmt_set_gateway(phba, iface_param);
break;
case ISCSI_NET_PARAM_IPV4_BOOTPROTO:
if (iface_param->value[0] == ISCSI_BOOTPROTO_DHCP)
ret = mgmt_set_ip(phba, iface_param,
NULL, ISCSI_BOOTPROTO_DHCP);
else if (iface_param->value[0] == ISCSI_BOOTPROTO_STATIC)
ret = beiscsi_set_static_ip(shost, iface_param,
data, dt_len);
else
shost_printk(KERN_ERR, shost, "Invalid BOOTPROTO: %d\n",
iface_param->value[0]);
break;
case ISCSI_NET_PARAM_IFACE_ENABLE:
if (iface_param->value[0] == ISCSI_IFACE_ENABLE)
ret = beiscsi_create_ipv4_iface(phba);
else
iscsi_destroy_iface(phba->ipv4_iface);
break;
case ISCSI_NET_PARAM_IPV4_SUBNET:
case ISCSI_NET_PARAM_IPV4_ADDR:
ret = beiscsi_set_static_ip(shost, iface_param,
data, dt_len);
break;
default:
shost_printk(KERN_ERR, shost, "Param %d not supported\n",
iface_param->param);
}
return ret;
}
static int
beiscsi_set_ipv6(struct Scsi_Host *shost,
struct iscsi_iface_param_info *iface_param,
void *data, uint32_t dt_len)
{
struct beiscsi_hba *phba = iscsi_host_priv(shost);
int ret = 0;
switch (iface_param->param) {
case ISCSI_NET_PARAM_IFACE_ENABLE:
if (iface_param->value[0] == ISCSI_IFACE_ENABLE)
ret = beiscsi_create_ipv6_iface(phba);
else {
iscsi_destroy_iface(phba->ipv6_iface);
ret = 0;
}
break;
case ISCSI_NET_PARAM_IPV6_ADDR:
ret = mgmt_set_ip(phba, iface_param, NULL,
ISCSI_BOOTPROTO_STATIC);
break;
default:
shost_printk(KERN_ERR, shost, "Param %d not supported\n",
iface_param->param);
}
return ret;
}
int be2iscsi_iface_set_param(struct Scsi_Host *shost,
void *data, uint32_t dt_len)
{
struct iscsi_iface_param_info *iface_param = NULL;
struct nlattr *attrib;
uint32_t rm_len = dt_len;
int ret = 0 ;
nla_for_each_attr(attrib, data, dt_len, rm_len) {
iface_param = nla_data(attrib);
if (iface_param->param_type != ISCSI_NET_PARAM)
continue;
/*
* BE2ISCSI only supports 1 interface
*/
if (iface_param->iface_num) {
shost_printk(KERN_ERR, shost, "Invalid iface_num %d."
"Only iface_num 0 is supported.\n",
iface_param->iface_num);
return -EINVAL;
}
switch (iface_param->iface_type) {
case ISCSI_IFACE_TYPE_IPV4:
ret = beiscsi_set_ipv4(shost, iface_param,
data, dt_len);
break;
case ISCSI_IFACE_TYPE_IPV6:
ret = beiscsi_set_ipv6(shost, iface_param,
data, dt_len);
break;
default:
shost_printk(KERN_ERR, shost,
"Invalid iface type :%d passed\n",
iface_param->iface_type);
break;
}
if (ret)
return ret;
}
return ret;
}
static int be2iscsi_get_if_param(struct beiscsi_hba *phba,
struct iscsi_iface *iface, int param,
char *buf)
{
struct be_cmd_get_if_info_resp if_info;
int len, ip_type = BE2_IPV4;
memset(&if_info, 0, sizeof(if_info));
if (iface->iface_type == ISCSI_IFACE_TYPE_IPV6)
ip_type = BE2_IPV6;
len = mgmt_get_if_info(phba, ip_type, &if_info);
if (len)
return len;
switch (param) {
case ISCSI_NET_PARAM_IPV4_ADDR:
len = sprintf(buf, "%pI4\n", &if_info.ip_addr.addr);
break;
case ISCSI_NET_PARAM_IPV6_ADDR:
len = sprintf(buf, "%pI6\n", &if_info.ip_addr.addr);
break;
case ISCSI_NET_PARAM_IPV4_BOOTPROTO:
if (!if_info.dhcp_state)
len = sprintf(buf, "static");
else
len = sprintf(buf, "dhcp");
break;
case ISCSI_NET_PARAM_IPV4_SUBNET:
len = sprintf(buf, "%pI4\n", &if_info.ip_addr.subnet_mask);
break;
default:
WARN_ON(1);
}
return len;
}
int be2iscsi_iface_get_param(struct iscsi_iface *iface,
enum iscsi_param_type param_type,
int param, char *buf)
{
struct Scsi_Host *shost = iscsi_iface_to_shost(iface);
struct beiscsi_hba *phba = iscsi_host_priv(shost);
struct be_cmd_get_def_gateway_resp gateway;
int len = -ENOSYS;
switch (param) {
case ISCSI_NET_PARAM_IPV4_ADDR:
case ISCSI_NET_PARAM_IPV4_SUBNET:
case ISCSI_NET_PARAM_IPV4_BOOTPROTO:
case ISCSI_NET_PARAM_IPV6_ADDR:
len = be2iscsi_get_if_param(phba, iface, param, buf);
break;
case ISCSI_NET_PARAM_IFACE_ENABLE:
len = sprintf(buf, "enabled");
break;
case ISCSI_NET_PARAM_IPV4_GW:
memset(&gateway, 0, sizeof(gateway));
len = mgmt_get_gateway(phba, BE2_IPV4, &gateway);
if (!len)
len = sprintf(buf, "%pI4\n", &gateway.ip_addr.addr);
break;
default:
len = -ENOSYS;
}
return len;
}
/**
* beiscsi_ep_get_param - get the iscsi parameter
* @ep: pointer to iscsi ep
@ -359,46 +656,21 @@ int beiscsi_get_host_param(struct Scsi_Host *shost,
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;
struct be_cmd_get_nic_conf_resp resp;
int rc;
if (phba->read_mac_address)
return sysfs_format_mac(buf, phba->mac_address,
ETH_ALEN);
if (strlen(phba->mac_address))
return strlcpy(buf, phba->mac_address, PAGE_SIZE);
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]);
memset(&resp, 0, sizeof(resp));
rc = mgmt_get_nic_conf(phba, &resp);
if (rc)
return rc;
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;
memcpy(phba->mac_address, resp.mac_address, ETH_ALEN);
return sysfs_format_mac(buf, phba->mac_address, ETH_ALEN);
}
/**
* beiscsi_conn_get_stats - get the iscsi stats
* @cls_conn: pointer to iscsi cls conn
@ -786,11 +1058,21 @@ void beiscsi_ep_disconnect(struct iscsi_endpoint *ep)
umode_t be2iscsi_attr_is_visible(int param_type, int param)
{
switch (param_type) {
case ISCSI_NET_PARAM:
switch (param) {
case ISCSI_NET_PARAM_IFACE_ENABLE:
case ISCSI_NET_PARAM_IPV4_ADDR:
case ISCSI_NET_PARAM_IPV4_SUBNET:
case ISCSI_NET_PARAM_IPV4_BOOTPROTO:
case ISCSI_NET_PARAM_IPV4_GW:
case ISCSI_NET_PARAM_IPV6_ADDR:
return S_IRUGO;
default:
return 0;
}
case ISCSI_HOST_PARAM:
switch (param) {
case ISCSI_HOST_PARAM_HWADDRESS:
case ISCSI_HOST_PARAM_IPADDRESS:
case ISCSI_HOST_PARAM_INITIATOR_NAME:
return S_IRUGO;
default:
return 0;

15
drivers/scsi/be2iscsi/be_iscsi.h
View File

@ -25,6 +25,21 @@
#define BE2_IPV4 0x1
#define BE2_IPV6 0x10
#define BE2_DHCP_V4 0x05
#define NON_BLOCKING 0x0
#define BLOCKING 0x1
void beiscsi_create_def_ifaces(struct beiscsi_hba *phba);
void beiscsi_destroy_def_ifaces(struct beiscsi_hba *phba);
int be2iscsi_iface_get_param(struct iscsi_iface *iface,
enum iscsi_param_type param_type,
int param, char *buf);
int be2iscsi_iface_set_param(struct Scsi_Host *shost,
void *data, uint32_t count);
umode_t be2iscsi_attr_is_visible(int param_type, int param);

33
drivers/scsi/be2iscsi/be_main.c
View File

@ -231,10 +231,10 @@ static ssize_t beiscsi_show_boot_tgt_info(void *data, int type, char *buf)
case ISCSI_BOOT_TGT_IP_ADDR:
if (boot_conn->dest_ipaddr.ip_type == 0x1)
rc = sprintf(buf, "%pI4\n",
(char *)&boot_conn->dest_ipaddr.ip_address);
(char *)&boot_conn->dest_ipaddr.addr);
else
rc = sprintf(str, "%pI6\n",
(char *)&boot_conn->dest_ipaddr.ip_address);
(char *)&boot_conn->dest_ipaddr.addr);
break;
case ISCSI_BOOT_TGT_PORT:
rc = sprintf(str, "%d\n", boot_conn->dest_port);
@ -312,12 +312,8 @@ static ssize_t beiscsi_show_boot_eth_info(void *data, int type, char *buf)
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;
rc = beiscsi_get_macaddr(str, phba);
break;
default:
rc = -ENOSYS;
break;
@ -438,6 +434,7 @@ static struct beiscsi_hba *beiscsi_hba_alloc(struct pci_dev *pcidev)
phba->shost = shost;
phba->pcidev = pci_dev_get(pcidev);
pci_set_drvdata(pcidev, phba);
phba->interface_handle = 0xFFFFFFFF;
if (iscsi_host_add(shost, &phba->pcidev->dev))
goto free_devices;
@ -3471,8 +3468,8 @@ static void hwi_disable_intr(struct beiscsi_hba *phba)
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_cmd_get_boot_target_resp *boot_resp;
struct be_cmd_get_session_resp *session_resp;
struct be_mcc_wrb *wrb;
struct be_dma_mem nonemb_cmd;
unsigned int tag, wrb_num;
@ -3480,9 +3477,9 @@ static int beiscsi_get_boot_info(struct beiscsi_hba *phba)
struct be_queue_info *mccq = &phba->ctrl.mcc_obj.q;
int ret = -ENOMEM;
tag = beiscsi_get_boot_target(phba);
tag = mgmt_get_boot_target(phba);
if (!tag) {
SE_DEBUG(DBG_LVL_1, "be_cmd_get_mac_addr Failed\n");
SE_DEBUG(DBG_LVL_1, "beiscsi_get_boot_info Failed\n");
return -EAGAIN;
} else
wait_event_interruptible(phba->ctrl.mcc_wait[tag],
@ -3492,7 +3489,7 @@ static int beiscsi_get_boot_info(struct beiscsi_hba *phba)
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"
SE_DEBUG(DBG_LVL_1, "beiscsi_get_boot_info Failed"
" status = %d extd_status = %d\n",
status, extd_status);
free_mcc_tag(&phba->ctrl, tag);
@ -3518,8 +3515,8 @@ static int beiscsi_get_boot_info(struct beiscsi_hba *phba)
}
memset(nonemb_cmd.va, 0, sizeof(*session_resp));
tag = beiscsi_get_session_info(phba,
boot_resp->boot_session_handle, &nonemb_cmd);
tag = mgmt_get_session_info(phba, boot_resp->boot_session_handle,
&nonemb_cmd);
if (!tag) {
SE_DEBUG(DBG_LVL_1, "beiscsi_get_session_info"
" Failed\n");
@ -4267,6 +4264,7 @@ static void beiscsi_remove(struct pci_dev *pcidev)
return;
}
beiscsi_destroy_def_ifaces(phba);
beiscsi_quiesce(phba);
iscsi_boot_destroy_kset(phba->boot_kset);
iscsi_host_remove(phba->shost);
@ -4453,8 +4451,9 @@ static int __devinit beiscsi_dev_probe(struct pci_dev *pcidev,
* iscsi boot.
*/
shost_printk(KERN_ERR, phba->shost, "Could not set up "
"iSCSI boot info.");
"iSCSI boot info.\n");
beiscsi_create_def_ifaces(phba);
SE_DEBUG(DBG_LVL_8, "\n\n\n SUCCESS - DRIVER LOADED\n\n\n");
return 0;
@ -4505,6 +4504,8 @@ struct iscsi_transport beiscsi_iscsi_transport = {
.bind_conn = beiscsi_conn_bind,
.destroy_conn = iscsi_conn_teardown,
.attr_is_visible = be2iscsi_attr_is_visible,
.set_iface_param = be2iscsi_iface_set_param,
.get_iface_param = be2iscsi_iface_get_param,
.set_param = beiscsi_set_param,
.get_conn_param = iscsi_conn_get_param,
.get_session_param = iscsi_session_get_param,

4
drivers/scsi/be2iscsi/be_main.h
View File

@ -316,6 +316,8 @@ struct beiscsi_hba {
struct iscsi_endpoint **ep_array;
struct iscsi_boot_kset *boot_kset;
struct Scsi_Host *shost;
struct iscsi_iface *ipv4_iface;
struct iscsi_iface *ipv6_iface;
struct {
/**
* group together since they are used most frequently
@ -345,7 +347,7 @@ 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;
unsigned int interface_handle;
struct mgmt_session_info boot_sess;
struct invalidate_command_table inv_tbl[128];

413
drivers/scsi/be2iscsi/be_mgmt.c
View File

@ -23,11 +23,11 @@
#include "be_mgmt.h"
#include "be_iscsi.h"
unsigned int beiscsi_get_boot_target(struct beiscsi_hba *phba)
unsigned int mgmt_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;
struct be_cmd_get_boot_target_req *req;
unsigned int tag = 0;
SE_DEBUG(DBG_LVL_8, "In bescsi_get_boot_target\n");
@ -44,22 +44,22 @@ unsigned int beiscsi_get_boot_target(struct beiscsi_hba *phba)
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));
sizeof(struct be_cmd_get_boot_target_resp));
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)
unsigned int mgmt_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_cmd_get_session_req *req;
struct be_cmd_get_session_resp *resp;
struct be_sge *sge;
SE_DEBUG(DBG_LVL_8, "In beiscsi_get_session_info\n");
@ -396,7 +396,6 @@ int mgmt_open_connection(struct beiscsi_hba *phba,
struct sockaddr *dst_addr,
struct beiscsi_endpoint *beiscsi_ep,
struct be_dma_mem *nonemb_cmd)
{
struct hwi_controller *phwi_ctrlr;
struct hwi_context_memory *phwi_context;
@ -442,17 +441,17 @@ int mgmt_open_connection(struct beiscsi_hba *phba,
if (dst_addr->sa_family == PF_INET) {
__be32 s_addr = daddr_in->sin_addr.s_addr;
req->ip_address.ip_type = BE2_IPV4;
req->ip_address.ip_address[0] = s_addr & 0x000000ff;
req->ip_address.ip_address[1] = (s_addr & 0x0000ff00) >> 8;
req->ip_address.ip_address[2] = (s_addr & 0x00ff0000) >> 16;
req->ip_address.ip_address[3] = (s_addr & 0xff000000) >> 24;
req->ip_address.addr[0] = s_addr & 0x000000ff;
req->ip_address.addr[1] = (s_addr & 0x0000ff00) >> 8;
req->ip_address.addr[2] = (s_addr & 0x00ff0000) >> 16;
req->ip_address.addr[3] = (s_addr & 0xff000000) >> 24;
req->tcp_port = ntohs(daddr_in->sin_port);
beiscsi_ep->dst_addr = daddr_in->sin_addr.s_addr;
beiscsi_ep->dst_tcpport = ntohs(daddr_in->sin_port);
beiscsi_ep->ip_type = BE2_IPV4;
} else if (dst_addr->sa_family == PF_INET6) {
req->ip_address.ip_type = BE2_IPV6;
memcpy(&req->ip_address.ip_address,
memcpy(&req->ip_address.addr,
&daddr_in6->sin6_addr.in6_u.u6_addr8, 16);
req->tcp_port = ntohs(daddr_in6->sin6_port);
beiscsi_ep->dst_tcpport = ntohs(daddr_in6->sin6_port);
@ -487,34 +486,392 @@ int mgmt_open_connection(struct beiscsi_hba *phba,
return tag;
}
unsigned int be_cmd_get_mac_addr(struct beiscsi_hba *phba)
unsigned int mgmt_get_all_if_id(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;
struct be_mcc_wrb *wrb = wrb_from_mbox(&ctrl->mbox_mem);
struct be_cmd_get_all_if_id_req *req = embedded_payload(wrb);
struct be_cmd_get_all_if_id_req *pbe_allid = req;
int status = 0;
memset(wrb, 0, sizeof(*wrb));
spin_lock(&ctrl->mbox_lock);
be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ISCSI,
OPCODE_COMMON_ISCSI_NTWK_GET_ALL_IF_ID,
sizeof(*req));
status = be_mbox_notify(ctrl);
if (!status)
phba->interface_handle = pbe_allid->if_hndl_list[0];
else {
shost_printk(KERN_WARNING, phba->shost,
"Failed in mgmt_get_all_if_id\n");
}
spin_unlock(&ctrl->mbox_lock);
return status;
}
static int mgmt_exec_nonemb_cmd(struct beiscsi_hba *phba,
struct be_dma_mem *nonemb_cmd, void *resp_buf,
int resp_buf_len)
{
struct be_ctrl_info *ctrl = &phba->ctrl;
struct be_mcc_wrb *wrb = wrb_from_mccq(phba);
unsigned short status, extd_status;
struct be_sge *sge;
unsigned int tag;
int rc = 0;
SE_DEBUG(DBG_LVL_8, "In be_cmd_get_mac_addr\n");
spin_lock(&ctrl->mbox_lock);
tag = alloc_mcc_tag(phba);
if (!tag) {
spin_unlock(&ctrl->mbox_lock);
return tag;
rc = -ENOMEM;
goto free_cmd;
}
wrb = wrb_from_mccq(phba);
req = embedded_payload(wrb);
memset(wrb, 0, sizeof(*wrb));
wrb->tag0 |= tag;
be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ISCSI,
OPCODE_COMMON_ISCSI_NTWK_GET_NIC_CONFIG,
sizeof(*req));
sge = nonembedded_sgl(wrb);
be_wrb_hdr_prepare(wrb, nonemb_cmd->size, false, 1);
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;
wait_event_interruptible(phba->ctrl.mcc_wait[tag],
phba->ctrl.mcc_numtag[tag]);
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,
"mgmt_exec_nonemb_cmd Failed status = %d"
"extd_status = %d\n", status, extd_status);
rc = -EIO;
goto free_tag;
}
if (resp_buf)
memcpy(resp_buf, nonemb_cmd->va, resp_buf_len);
free_tag:
free_mcc_tag(&phba->ctrl, tag);
free_cmd:
pci_free_consistent(ctrl->pdev, nonemb_cmd->size,
nonemb_cmd->va, nonemb_cmd->dma);
return rc;
}
static int mgmt_alloc_cmd_data(struct beiscsi_hba *phba, struct be_dma_mem *cmd,
int iscsi_cmd, int size)
{
cmd->va = pci_alloc_consistent(phba->ctrl.pdev, sizeof(size),
&cmd->dma);
if (!cmd->va) {
SE_DEBUG(DBG_LVL_1, "Failed to allocate memory for if info\n");
return -ENOMEM;
}
memset(cmd->va, 0, sizeof(size));
cmd->size = size;
be_cmd_hdr_prepare(cmd->va, CMD_SUBSYSTEM_ISCSI, iscsi_cmd, size);
return 0;
}
static int
mgmt_static_ip_modify(struct beiscsi_hba *phba,
struct be_cmd_get_if_info_resp *if_info,
struct iscsi_iface_param_info *ip_param,
struct iscsi_iface_param_info *subnet_param,
uint32_t ip_action)
{
struct be_cmd_set_ip_addr_req *req;
struct be_dma_mem nonemb_cmd;
uint32_t ip_type;
int rc;
rc = mgmt_alloc_cmd_data(phba, &nonemb_cmd,
OPCODE_COMMON_ISCSI_NTWK_MODIFY_IP_ADDR,
sizeof(*req));
if (rc)
return rc;
ip_type = (ip_param->param == ISCSI_NET_PARAM_IPV6_ADDR) ?
BE2_IPV6 : BE2_IPV4 ;
req = nonemb_cmd.va;
req->ip_params.record_entry_count = 1;
req->ip_params.ip_record.action = ip_action;
req->ip_params.ip_record.interface_hndl =
phba->interface_handle;
req->ip_params.ip_record.ip_addr.size_of_structure =
sizeof(struct be_ip_addr_subnet_format);
req->ip_params.ip_record.ip_addr.ip_type = ip_type;
if (ip_action == IP_ACTION_ADD) {
memcpy(req->ip_params.ip_record.ip_addr.addr, ip_param->value,
ip_param->len);
if (subnet_param)
memcpy(req->ip_params.ip_record.ip_addr.subnet_mask,
subnet_param->value, subnet_param->len);
} else {
memcpy(req->ip_params.ip_record.ip_addr.addr,
if_info->ip_addr.addr, ip_param->len);
memcpy(req->ip_params.ip_record.ip_addr.subnet_mask,
if_info->ip_addr.subnet_mask, ip_param->len);
}
rc = mgmt_exec_nonemb_cmd(phba, &nonemb_cmd, NULL, 0);
if (rc < 0)
shost_printk(KERN_WARNING, phba->shost,
"Failed to Modify existing IP Address\n");
return rc;
}
static int mgmt_modify_gateway(struct beiscsi_hba *phba, uint8_t *gt_addr,
uint32_t gtway_action, uint32_t param_len)
{
struct be_cmd_set_def_gateway_req *req;
struct be_dma_mem nonemb_cmd;
int rt_val;
rt_val = mgmt_alloc_cmd_data(phba, &nonemb_cmd,
OPCODE_COMMON_ISCSI_NTWK_MODIFY_DEFAULT_GATEWAY,
sizeof(*req));
if (rt_val)
return rt_val;
req = nonemb_cmd.va;
req->action = gtway_action;
req->ip_addr.ip_type = BE2_IPV4;
memcpy(req->ip_addr.addr, gt_addr, param_len);
return mgmt_exec_nonemb_cmd(phba, &nonemb_cmd, NULL, 0);
}
int mgmt_set_ip(struct beiscsi_hba *phba,
struct iscsi_iface_param_info *ip_param,
struct iscsi_iface_param_info *subnet_param,
uint32_t boot_proto)
{
struct be_cmd_get_def_gateway_resp gtway_addr_set;
struct be_cmd_get_if_info_resp if_info;
struct be_cmd_set_dhcp_req *dhcpreq;
struct be_cmd_rel_dhcp_req *reldhcp;
struct be_dma_mem nonemb_cmd;
uint8_t *gtway_addr;
uint32_t ip_type;
int rc;
if (mgmt_get_all_if_id(phba))
return -EIO;
memset(&if_info, 0, sizeof(if_info));
ip_type = (ip_param->param == ISCSI_NET_PARAM_IPV6_ADDR) ?
BE2_IPV6 : BE2_IPV4 ;
rc = mgmt_get_if_info(phba, ip_type, &if_info);
if (rc)
return rc;
if (boot_proto == ISCSI_BOOTPROTO_DHCP) {
if (if_info.dhcp_state) {
shost_printk(KERN_WARNING, phba->shost,
"DHCP Already Enabled\n");
return 0;
}
/* The ip_param->len is 1 in DHCP case. Setting
proper IP len as this it is used while
freeing the Static IP.
*/
ip_param->len = (ip_param->param == ISCSI_NET_PARAM_IPV6_ADDR) ?
IP_V6_LEN : IP_V4_LEN;
} else {
if (if_info.dhcp_state) {
memset(&if_info, 0, sizeof(if_info));
rc = mgmt_alloc_cmd_data(phba, &nonemb_cmd,
OPCODE_COMMON_ISCSI_NTWK_REL_STATELESS_IP_ADDR,
sizeof(*reldhcp));
if (rc)
return rc;
reldhcp = nonemb_cmd.va;
reldhcp->interface_hndl = phba->interface_handle;
reldhcp->ip_type = ip_type;
rc = mgmt_exec_nonemb_cmd(phba, &nonemb_cmd, NULL, 0);
if (rc < 0) {
shost_printk(KERN_WARNING, phba->shost,
"Failed to Delete existing dhcp\n");
return rc;
}
}
}
/* Delete the Static IP Set */
if (if_info.ip_addr.addr[0]) {
rc = mgmt_static_ip_modify(phba, &if_info, ip_param, NULL,
IP_ACTION_DEL);
if (rc)
return rc;
}
/* Delete the Gateway settings if mode change is to DHCP */
if (boot_proto == ISCSI_BOOTPROTO_DHCP) {
memset(&gtway_addr_set, 0, sizeof(gtway_addr_set));
rc = mgmt_get_gateway(phba, BE2_IPV4, &gtway_addr_set);
if (rc) {
shost_printk(KERN_WARNING, phba->shost,
"Failed to Get Gateway Addr\n");
return rc;
}
if (gtway_addr_set.ip_addr.addr[0]) {
gtway_addr = (uint8_t *)&gtway_addr_set.ip_addr.addr;
rc = mgmt_modify_gateway(phba, gtway_addr,
IP_ACTION_DEL, IP_V4_LEN);
if (rc) {
shost_printk(KERN_WARNING, phba->shost,
"Failed to clear Gateway Addr Set\n");
return rc;
}
}
}
/* Set Adapter to DHCP/Static Mode */
if (boot_proto == ISCSI_BOOTPROTO_DHCP) {
rc = mgmt_alloc_cmd_data(phba, &nonemb_cmd,
OPCODE_COMMON_ISCSI_NTWK_CONFIG_STATELESS_IP_ADDR,
sizeof(*dhcpreq));
if (rc)
return rc;
dhcpreq = nonemb_cmd.va;
dhcpreq->flags = BLOCKING;
dhcpreq->retry_count = 1;
dhcpreq->interface_hndl = phba->interface_handle;
dhcpreq->ip_type = BE2_DHCP_V4;
return mgmt_exec_nonemb_cmd(phba, &nonemb_cmd, NULL, 0);
} else {
return mgmt_static_ip_modify(phba, &if_info, ip_param,
subnet_param, IP_ACTION_ADD);
}
return rc;
}
int mgmt_set_gateway(struct beiscsi_hba *phba,
struct iscsi_iface_param_info *gateway_param)
{
struct be_cmd_get_def_gateway_resp gtway_addr_set;
uint8_t *gtway_addr;
int rt_val;
memset(&gtway_addr_set, 0, sizeof(gtway_addr_set));
rt_val = mgmt_get_gateway(phba, BE2_IPV4, &gtway_addr_set);
if (rt_val) {
shost_printk(KERN_WARNING, phba->shost,
"Failed to Get Gateway Addr\n");
return rt_val;
}
if (gtway_addr_set.ip_addr.addr[0]) {
gtway_addr = (uint8_t *)&gtway_addr_set.ip_addr.addr;
rt_val = mgmt_modify_gateway(phba, gtway_addr, IP_ACTION_DEL,
gateway_param->len);
if (rt_val) {
shost_printk(KERN_WARNING, phba->shost,
"Failed to clear Gateway Addr Set\n");
return rt_val;
}
}
gtway_addr = (uint8_t *)&gateway_param->value;
rt_val = mgmt_modify_gateway(phba, gtway_addr, IP_ACTION_ADD,
gateway_param->len);
if (rt_val)
shost_printk(KERN_WARNING, phba->shost,
"Failed to Set Gateway Addr\n");
return rt_val;
}
int mgmt_get_gateway(struct beiscsi_hba *phba, int ip_type,
struct be_cmd_get_def_gateway_resp *gateway)
{
struct be_cmd_get_def_gateway_req *req;
struct be_dma_mem nonemb_cmd;
int rc;
rc = mgmt_alloc_cmd_data(phba, &nonemb_cmd,
OPCODE_COMMON_ISCSI_NTWK_GET_DEFAULT_GATEWAY,
sizeof(*gateway));
if (rc)
return rc;
req = nonemb_cmd.va;
req->ip_type = ip_type;
return mgmt_exec_nonemb_cmd(phba, &nonemb_cmd, gateway,
sizeof(*gateway));
}
int mgmt_get_if_info(struct beiscsi_hba *phba, int ip_type,
struct be_cmd_get_if_info_resp *if_info)
{
struct be_cmd_get_if_info_req *req;
struct be_dma_mem nonemb_cmd;
int rc;
if (mgmt_get_all_if_id(phba))
return -EIO;
rc = mgmt_alloc_cmd_data(phba, &nonemb_cmd,
OPCODE_COMMON_ISCSI_NTWK_GET_IF_INFO,
sizeof(*if_info));
if (rc)
return rc;
req = nonemb_cmd.va;
req->interface_hndl = phba->interface_handle;
req->ip_type = ip_type;
return mgmt_exec_nonemb_cmd(phba, &nonemb_cmd, if_info,
sizeof(*if_info));
}
int mgmt_get_nic_conf(struct beiscsi_hba *phba,
struct be_cmd_get_nic_conf_resp *nic)
{
struct be_dma_mem nonemb_cmd;
int rc;
rc = mgmt_alloc_cmd_data(phba, &nonemb_cmd,
OPCODE_COMMON_ISCSI_NTWK_GET_NIC_CONFIG,
sizeof(*nic));
if (rc)
return rc;
return mgmt_exec_nonemb_cmd(phba, &nonemb_cmd, nic, sizeof(*nic));
}
unsigned int be_cmd_get_initname(struct beiscsi_hba *phba)
{
unsigned int tag = 0;

31
drivers/scsi/be2iscsi/be_mgmt.h
View File

@ -20,12 +20,16 @@
#ifndef _BEISCSI_MGMT_
#define _BEISCSI_MGMT_
#include <linux/types.h>
#include <linux/list.h>
#include <scsi/scsi_bsg_iscsi.h>
#include "be_iscsi.h"
#include "be_main.h"
#define IP_ACTION_ADD 0x01
#define IP_ACTION_DEL 0x02
#define IP_V6_LEN 16
#define IP_V4_LEN 4
/**
* Pseudo amap definition in which each bit of the actual structure is defined
* as a byte: used to calculate offset/shift/mask of each field
@ -263,4 +267,27 @@ unsigned int mgmt_invalidate_connection(struct beiscsi_hba *phba,
unsigned short issue_reset,
unsigned short savecfg_flag);
int mgmt_set_ip(struct beiscsi_hba *phba,
struct iscsi_iface_param_info *ip_param,
struct iscsi_iface_param_info *subnet_param,
uint32_t boot_proto);
unsigned int mgmt_get_boot_target(struct beiscsi_hba *phba);
unsigned int mgmt_get_session_info(struct beiscsi_hba *phba,
u32 boot_session_handle,
struct be_dma_mem *nonemb_cmd);
int mgmt_get_nic_conf(struct beiscsi_hba *phba,
struct be_cmd_get_nic_conf_resp *mac);
int mgmt_get_if_info(struct beiscsi_hba *phba, int ip_type,
struct be_cmd_get_if_info_resp *if_info);
int mgmt_get_gateway(struct beiscsi_hba *phba, int ip_type,
struct be_cmd_get_def_gateway_resp *gateway);
int mgmt_set_gateway(struct beiscsi_hba *phba,
struct iscsi_iface_param_info *gateway_param);
#endif