/**
* beiscsi_set_vlan_tag()- Set the VLAN TAG
* @shost: Scsi Host for the driver instance
* @iface_param: Interface paramters
*
* Set the VLAN TAG for the adapter or disable
* the VLAN config
*
* returns
* Success: 0
* Failure: Non-Zero Value
**/
static int
beiscsi_set_vlan_tag(struct Scsi_Host *shost,
struct iscsi_iface_param_info *iface_param)
{
struct beiscsi_hba *phba = iscsi_host_priv(shost);
int ret = 0;
/* Get the Interface Handle */
if (mgmt_get_all_if_id(phba)) {
beiscsi_log(phba, KERN_ERR, BEISCSI_LOG_CONFIG,
"BS_%d : Getting Interface Handle Failed\n");
return -EIO;
}
switch (iface_param->param) {
case ISCSI_NET_PARAM_VLAN_ENABLED:
if (iface_param->value[0] != ISCSI_VLAN_ENABLE)
ret = mgmt_set_vlan(phba, BEISCSI_VLAN_DISABLE);
break;
case ISCSI_NET_PARAM_VLAN_TAG:
ret = mgmt_set_vlan(phba,
*((uint16_t *)iface_param->value));
break;
default:
beiscsi_log(phba, KERN_WARNING, BEISCSI_LOG_CONFIG,
"BS_%d : Unknown Param Type : %d\n",
iface_param->param);
return -ENOSYS;
}
return ret;
}
/**
* beiscsi_conn_bind - Binds iscsi session/connection with TCP connection
* @cls_session: pointer to iscsi cls session
* @cls_conn: pointer to iscsi cls conn
* @transport_fd: EP handle(64 bit)
*
* This function binds the TCP Conn with iSCSI Connection and Session.
*/
int beiscsi_conn_bind(struct iscsi_cls_session *cls_session,
struct iscsi_cls_conn *cls_conn,
u64 transport_fd, int is_leading)
{
struct iscsi_conn *conn = cls_conn->dd_data;
struct beiscsi_conn *beiscsi_conn = conn->dd_data;
struct Scsi_Host *shost = iscsi_session_to_shost(cls_session);
struct beiscsi_hba *phba = iscsi_host_priv(shost);
struct hwi_controller *phwi_ctrlr = phba->phwi_ctrlr;
struct hwi_wrb_context *pwrb_context;
struct beiscsi_endpoint *beiscsi_ep;
struct iscsi_endpoint *ep;
uint16_t cri_index;
ep = iscsi_lookup_endpoint(transport_fd);
if (!ep)
return -EINVAL;
beiscsi_ep = ep->dd_data;
if (iscsi_conn_bind(cls_session, cls_conn, is_leading))
return -EINVAL;
if (beiscsi_ep->phba != phba) {
beiscsi_log(phba, KERN_ERR, BEISCSI_LOG_CONFIG,
"BS_%d : beiscsi_ep->hba=%p not equal to phba=%p\n",
beiscsi_ep->phba, phba);
return -EEXIST;
}
cri_index = BE_GET_CRI_FROM_CID(beiscsi_ep->ep_cid);
if (phba->conn_table[cri_index]) {
if (beiscsi_conn != phba->conn_table[cri_index] ||
beiscsi_ep != phba->conn_table[cri_index]->ep) {
__beiscsi_log(phba, KERN_ERR,
"BS_%d : conn_table not empty at %u: cid %u conn %p:%p\n",
cri_index,
beiscsi_ep->ep_cid,
beiscsi_conn,
phba->conn_table[cri_index]);
return -EINVAL;
}
}
beiscsi_conn->beiscsi_conn_cid = beiscsi_ep->ep_cid;
beiscsi_conn->ep = beiscsi_ep;
beiscsi_ep->conn = beiscsi_conn;
/**
* Each connection is associated with a WRBQ kept in wrb_context.
* Store doorbell offset for transmit path.
*/
pwrb_context = &phwi_ctrlr->wrb_context[cri_index];
beiscsi_conn->doorbell_offset = pwrb_context->doorbell_offset;
beiscsi_log(phba, KERN_INFO, BEISCSI_LOG_CONFIG,
"BS_%d : cid %d phba->conn_table[%u]=%p\n",
beiscsi_ep->ep_cid, cri_index, beiscsi_conn);
phba->conn_table[cri_index] = beiscsi_conn;
return 0;
}
int mgmt_check_supported_fw(struct be_ctrl_info *ctrl,
struct beiscsi_hba *phba)
{
struct be_dma_mem nonemb_cmd;
struct be_mcc_wrb *wrb = wrb_from_mbox(&ctrl->mbox_mem);
struct be_mgmt_controller_attributes *req;
struct be_sge *sge = nonembedded_sgl(wrb);
int status = 0;
nonemb_cmd.va = pci_alloc_consistent(ctrl->pdev,
sizeof(struct be_mgmt_controller_attributes),
&nonemb_cmd.dma);
if (nonemb_cmd.va == NULL) {
beiscsi_log(phba, KERN_ERR, BEISCSI_LOG_INIT,
"BG_%d : Failed to allocate memory for "
"mgmt_check_supported_fw\n");
return -ENOMEM;
}
nonemb_cmd.size = sizeof(struct be_mgmt_controller_attributes);
req = nonemb_cmd.va;
memset(req, 0, sizeof(*req));
spin_lock(&ctrl->mbox_lock);
memset(wrb, 0, sizeof(*wrb));
be_wrb_hdr_prepare(wrb, sizeof(*req), false, 1);
be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
OPCODE_COMMON_GET_CNTL_ATTRIBUTES, sizeof(*req));
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);
status = be_mbox_notify(ctrl);
if (!status) {
struct be_mgmt_controller_attributes_resp *resp = nonemb_cmd.va;
beiscsi_log(phba, KERN_INFO, BEISCSI_LOG_INIT,
"BG_%d : Firmware Version of CMD : %s\n"
"Firmware Version is : %s\n"
"Developer Build, not performing version check...\n",
resp->params.hba_attribs
.flashrom_version_string,
resp->params.hba_attribs.
firmware_version_string);
phba->fw_config.iscsi_features =
resp->params.hba_attribs.iscsi_features;
beiscsi_log(phba, KERN_INFO, BEISCSI_LOG_INIT,
"BM_%d : phba->fw_config.iscsi_features = %d\n",
phba->fw_config.iscsi_features);
memcpy(phba->fw_ver_str, resp->params.hba_attribs.
firmware_version_string, BEISCSI_VER_STRLEN);
} else
beiscsi_log(phba, KERN_ERR, BEISCSI_LOG_INIT,
"BG_%d : Failed in mgmt_check_supported_fw\n");
spin_unlock(&ctrl->mbox_lock);
if (nonemb_cmd.va)
pci_free_consistent(ctrl->pdev, nonemb_cmd.size,
nonemb_cmd.va, nonemb_cmd.dma);
return status;
}
/*
* beiscsi_ue_detec()- Detect Unrecoverable Error on adapter
* @phba: Driver priv structure
*
* Read registers linked to UE and check for the UE status
**/
void beiscsi_ue_detect(struct beiscsi_hba *phba)
{
uint32_t ue_hi = 0, ue_lo = 0;
uint32_t ue_mask_hi = 0, ue_mask_lo = 0;
uint8_t i = 0;
if (phba->ue_detected)
return;
pci_read_config_dword(phba->pcidev,
PCICFG_UE_STATUS_LOW, &ue_lo);
pci_read_config_dword(phba->pcidev,
PCICFG_UE_STATUS_MASK_LOW,
&ue_mask_lo);
pci_read_config_dword(phba->pcidev,
PCICFG_UE_STATUS_HIGH,
&ue_hi);
pci_read_config_dword(phba->pcidev,
PCICFG_UE_STATUS_MASK_HI,
&ue_mask_hi);
ue_lo = (ue_lo & ~ue_mask_lo);
ue_hi = (ue_hi & ~ue_mask_hi);
if (ue_lo || ue_hi) {
phba->ue_detected = true;
beiscsi_log(phba, KERN_ERR,
BEISCSI_LOG_CONFIG | BEISCSI_LOG_MBOX,
"BG_%d : Error detected on the adapter\n");
}
if (ue_lo) {
for (i = 0; ue_lo; ue_lo >>= 1, i++) {
if (ue_lo & 1)
beiscsi_log(phba, KERN_ERR,
BEISCSI_LOG_CONFIG,
"BG_%d : UE_LOW %s bit set\n",
desc_ue_status_low[i]);
}
}
if (ue_hi) {
for (i = 0; ue_hi; ue_hi >>= 1, i++) {
if (ue_hi & 1)
beiscsi_log(phba, KERN_ERR,
BEISCSI_LOG_CONFIG,
"BG_%d : UE_HIGH %s bit set\n",
desc_ue_status_hi[i]);
}
}
}
int be2iscsi_iface_set_param(struct Scsi_Host *shost,
void *data, uint32_t dt_len)
{
struct iscsi_iface_param_info *iface_param = NULL;
struct beiscsi_hba *phba = iscsi_host_priv(shost);
struct nlattr *attrib;
uint32_t rm_len = dt_len;
int ret = 0 ;
if (phba->state & BE_ADAPTER_PCI_ERR) {
beiscsi_log(phba, KERN_ERR, BEISCSI_LOG_CONFIG,
"BS_%d : In PCI_ERROR Recovery\n");
return -EBUSY;
}
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) {
beiscsi_log(phba, KERN_ERR, BEISCSI_LOG_CONFIG,
"BS_%d : 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:
beiscsi_log(phba, KERN_ERR, BEISCSI_LOG_CONFIG,
"BS_%d : Invalid iface type :%d passed\n",
iface_param->iface_type);
break;
}
if (ret)
return ret;
}
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:
beiscsi_log(phba, KERN_ERR, BEISCSI_LOG_CONFIG,
"BS_%d : Unsupported param %d\n",
iface_param->param);
}
if (!iface_ip || !iface_subnet) {
beiscsi_log(phba, KERN_ERR, BEISCSI_LOG_CONFIG,
"BS_%d : 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
beiscsi_log(phba, KERN_ERR, BEISCSI_LOG_CONFIG,
"BS_%d : 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;
case ISCSI_NET_PARAM_VLAN_ENABLED:
case ISCSI_NET_PARAM_VLAN_TAG:
ret = beiscsi_set_vlan_tag(shost, iface_param);
break;
default:
beiscsi_log(phba, KERN_ERR, BEISCSI_LOG_CONFIG,
"BS_%d : Param %d not supported\n",
iface_param->param);
}
return ret;
}
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_get_boot_target_req *req;
unsigned int tag = 0;
beiscsi_log(phba, KERN_INFO,
BEISCSI_LOG_CONFIG | BEISCSI_LOG_MBOX,
"BG_%d : 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(struct be_cmd_get_boot_target_resp));
be_mcc_notify(phba);
spin_unlock(&ctrl->mbox_lock);
return tag;
}
int mgmt_epfw_cleanup(struct beiscsi_hba *phba, unsigned short chute)
{
struct be_ctrl_info *ctrl = &phba->ctrl;
struct be_mcc_wrb *wrb = wrb_from_mccq(phba);
struct iscsi_cleanup_req *req = embedded_payload(wrb);
int status = 0;
spin_lock(&ctrl->mbox_lock);
memset(wrb, 0, sizeof(*wrb));
be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ISCSI,
OPCODE_COMMON_ISCSI_CLEANUP, sizeof(*req));
req->chute = chute;
req->hdr_ring_id = cpu_to_le16(HWI_GET_DEF_HDRQ_ID(phba));
req->data_ring_id = cpu_to_le16(HWI_GET_DEF_BUFQ_ID(phba));
status = be_mcc_notify_wait(phba);
if (status)
beiscsi_log(phba, KERN_WARNING, BEISCSI_LOG_INIT,
"BG_%d : mgmt_epfw_cleanup , FAILED\n");
spin_unlock(&ctrl->mbox_lock);
return status;
}
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:
beiscsi_log(phba, KERN_ERR, BEISCSI_LOG_CONFIG,
"BS_%d : Param %d not supported\n",
iface_param->param);
}
return ret;
}
/**
* beiscsi_conn_create - create an instance of iscsi connection
* @cls_session: ptr to iscsi_cls_session
* @cid: iscsi cid
*/
struct iscsi_cls_conn *
beiscsi_conn_create(struct iscsi_cls_session *cls_session, u32 cid)
{
struct beiscsi_hba *phba;
struct Scsi_Host *shost;
struct iscsi_cls_conn *cls_conn;
struct beiscsi_conn *beiscsi_conn;
struct iscsi_conn *conn;
struct iscsi_session *sess;
struct beiscsi_session *beiscsi_sess;
shost = iscsi_session_to_shost(cls_session);
phba = iscsi_host_priv(shost);
beiscsi_log(phba, KERN_INFO, BEISCSI_LOG_CONFIG,
"BS_%d : In beiscsi_conn_create ,cid"
"from iscsi layer=%d\n", cid);
cls_conn = iscsi_conn_setup(cls_session, sizeof(*beiscsi_conn), cid);
if (!cls_conn)
return NULL;
conn = cls_conn->dd_data;
beiscsi_conn = conn->dd_data;
beiscsi_conn->ep = NULL;
beiscsi_conn->phba = phba;
beiscsi_conn->conn = conn;
sess = cls_session->dd_data;
beiscsi_sess = sess->dd_data;
beiscsi_conn->beiscsi_sess = beiscsi_sess;
return cls_conn;
}
/**
* beiscsi_conn_bind - Binds iscsi session/connection with TCP connection
* @cls_session: pointer to iscsi cls session
* @cls_conn: pointer to iscsi cls conn
* @transport_fd: EP handle(64 bit)
*
* This function binds the TCP Conn with iSCSI Connection and Session.
*/
int beiscsi_conn_bind(struct iscsi_cls_session *cls_session,
struct iscsi_cls_conn *cls_conn,
u64 transport_fd, int is_leading)
{
struct iscsi_conn *conn = cls_conn->dd_data;
struct beiscsi_conn *beiscsi_conn = conn->dd_data;
struct Scsi_Host *shost = iscsi_session_to_shost(cls_session);
struct beiscsi_hba *phba = iscsi_host_priv(shost);
struct hwi_controller *phwi_ctrlr = phba->phwi_ctrlr;
struct hwi_wrb_context *pwrb_context;
struct beiscsi_endpoint *beiscsi_ep;
struct iscsi_endpoint *ep;
ep = iscsi_lookup_endpoint(transport_fd);
if (!ep)
return -EINVAL;
beiscsi_ep = ep->dd_data;
if (iscsi_conn_bind(cls_session, cls_conn, is_leading))
return -EINVAL;
if (beiscsi_ep->phba != phba) {
beiscsi_log(phba, KERN_ERR, BEISCSI_LOG_CONFIG,
"BS_%d : beiscsi_ep->hba=%p not equal to phba=%p\n",
beiscsi_ep->phba, phba);
return -EEXIST;
}
pwrb_context = &phwi_ctrlr->wrb_context[BE_GET_CRI_FROM_CID(
beiscsi_ep->ep_cid)];
beiscsi_conn->beiscsi_conn_cid = beiscsi_ep->ep_cid;
beiscsi_conn->ep = beiscsi_ep;
beiscsi_ep->conn = beiscsi_conn;
beiscsi_conn->doorbell_offset = pwrb_context->doorbell_offset;
beiscsi_log(phba, KERN_INFO, BEISCSI_LOG_CONFIG,
"BS_%d : beiscsi_conn=%p conn=%p ep_cid=%d\n",
beiscsi_conn, conn, beiscsi_ep->ep_cid);
return beiscsi_bindconn_cid(phba, beiscsi_conn, beiscsi_ep->ep_cid);
}
int mgmt_get_fw_config(struct be_ctrl_info *ctrl,
struct beiscsi_hba *phba)
{
struct be_mcc_wrb *wrb = wrb_from_mbox(&ctrl->mbox_mem);
struct be_fw_cfg *req = embedded_payload(wrb);
int status = 0;
spin_lock(&ctrl->mbox_lock);
memset(wrb, 0, sizeof(*wrb));
be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
OPCODE_COMMON_QUERY_FIRMWARE_CONFIG, sizeof(*req));
status = be_mbox_notify(ctrl);
if (!status) {
struct be_fw_cfg *pfw_cfg;
pfw_cfg = req;
phba->fw_config.phys_port = pfw_cfg->phys_port;
phba->fw_config.iscsi_icd_start =
pfw_cfg->ulp[0].icd_base;
phba->fw_config.iscsi_icd_count =
pfw_cfg->ulp[0].icd_count;
phba->fw_config.iscsi_cid_start =
pfw_cfg->ulp[0].sq_base;
phba->fw_config.iscsi_cid_count =
pfw_cfg->ulp[0].sq_count;
if (phba->fw_config.iscsi_cid_count > (BE2_MAX_SESSIONS / 2)) {
beiscsi_log(phba, KERN_INFO, BEISCSI_LOG_INIT,
"BG_%d : FW reported MAX CXNS as %d\t"
"Max Supported = %d.\n",
phba->fw_config.iscsi_cid_count,
BE2_MAX_SESSIONS);
phba->fw_config.iscsi_cid_count = BE2_MAX_SESSIONS / 2;
}
} else {
beiscsi_log(phba, KERN_WARNING, BEISCSI_LOG_INIT,
"BG_%d : Failed in mgmt_get_fw_config\n");
}
spin_unlock(&ctrl->mbox_lock);
return status;
}
/**
* beiscsi_bindconn_cid - Bind the beiscsi_conn with phba connection table
* @beiscsi_conn: The pointer to beiscsi_conn structure
* @phba: The phba instance
* @cid: The cid to free
*/
static int beiscsi_bindconn_cid(struct beiscsi_hba *phba,
struct beiscsi_conn *beiscsi_conn,
unsigned int cid)
{
uint16_t cri_index = BE_GET_CRI_FROM_CID(cid);
if (phba->conn_table[cri_index]) {
beiscsi_log(phba, KERN_ERR, BEISCSI_LOG_CONFIG,
"BS_%d : Connection table already occupied. Detected clash\n");
return -EINVAL;
} else {
beiscsi_log(phba, KERN_INFO, BEISCSI_LOG_CONFIG,
"BS_%d : phba->conn_table[%d]=%p(beiscsi_conn)\n",
cri_index, beiscsi_conn);
phba->conn_table[cri_index] = beiscsi_conn;
}
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) {
beiscsi_log(phba, KERN_ERR, BEISCSI_LOG_CONFIG,
"BS_%d : Could not "
"create default IPv6 address.\n");
return -ENODEV;
}
return 0;
}
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_get_session_req *req;
struct be_cmd_get_session_resp *resp;
struct be_sge *sge;
beiscsi_log(phba, KERN_INFO,
BEISCSI_LOG_CONFIG | BEISCSI_LOG_MBOX,
"BG_%d : 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;
}
/**
* mgmt_reopen_session()- Reopen a session based on reopen_type
* @phba: Device priv structure instance
* @reopen_type: Type of reopen_session FW should do.
* @sess_handle: Session Handle of the session to be re-opened
*
* return
* the TAG used for MBOX Command
*
**/
unsigned int mgmt_reopen_session(struct beiscsi_hba *phba,
unsigned int reopen_type,
unsigned int sess_handle)
{
struct be_ctrl_info *ctrl = &phba->ctrl;
struct be_mcc_wrb *wrb;
struct be_cmd_reopen_session_req *req;
unsigned int tag = 0;
beiscsi_log(phba, KERN_INFO,
BEISCSI_LOG_CONFIG | BEISCSI_LOG_MBOX,
"BG_%d : 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_DRIVER_REOPEN_ALL_SESSIONS,
sizeof(struct be_cmd_reopen_session_resp));
/* set the reopen_type,sess_handle */
req->reopen_type = reopen_type;
req->session_handle = sess_handle;
be_mcc_notify(phba);
spin_unlock(&ctrl->mbox_lock);
return tag;
}
/**
* mgmt_get_fw_config()- Get the FW config for the function
* @ctrl: ptr to Ctrl Info
* @phba: ptr to the dev priv structure
*
* Get the FW config and resources available for the function.
* The resources are created based on the count received here.
*
* return
* Success: 0
* Failure: Non-Zero Value
**/
int mgmt_get_fw_config(struct be_ctrl_info *ctrl,
struct beiscsi_hba *phba)
{
struct be_mcc_wrb *wrb = wrb_from_mbox(&ctrl->mbox_mem);
struct be_fw_cfg *req = embedded_payload(wrb);
int status = 0;
spin_lock(&ctrl->mbox_lock);
memset(wrb, 0, sizeof(*wrb));
be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
OPCODE_COMMON_QUERY_FIRMWARE_CONFIG,
EMBED_MBX_MAX_PAYLOAD_SIZE);
status = be_mbox_notify(ctrl);
if (!status) {
uint8_t ulp_num = 0;
struct be_fw_cfg *pfw_cfg;
pfw_cfg = req;
if (!is_chip_be2_be3r(phba)) {
phba->fw_config.eqid_count = pfw_cfg->eqid_count;
phba->fw_config.cqid_count = pfw_cfg->cqid_count;
beiscsi_log(phba, KERN_INFO,
BEISCSI_LOG_INIT,
"BG_%d : EQ_Count : %d CQ_Count : %d\n",
phba->fw_config.eqid_count,
phba->fw_config.cqid_count);
}
for (ulp_num = 0; ulp_num < BEISCSI_ULP_COUNT; ulp_num++)
if (pfw_cfg->ulp[ulp_num].ulp_mode &
BEISCSI_ULP_ISCSI_INI_MODE)
set_bit(ulp_num,
&phba->fw_config.ulp_supported);
phba->fw_config.phys_port = pfw_cfg->phys_port;
for (ulp_num = 0; ulp_num < BEISCSI_ULP_COUNT; ulp_num++) {
if (test_bit(ulp_num, &phba->fw_config.ulp_supported)) {
phba->fw_config.iscsi_cid_start[ulp_num] =
pfw_cfg->ulp[ulp_num].sq_base;
phba->fw_config.iscsi_cid_count[ulp_num] =
pfw_cfg->ulp[ulp_num].sq_count;
phba->fw_config.iscsi_icd_start[ulp_num] =
pfw_cfg->ulp[ulp_num].icd_base;
phba->fw_config.iscsi_icd_count[ulp_num] =
pfw_cfg->ulp[ulp_num].icd_count;
phba->fw_config.iscsi_chain_start[ulp_num] =
pfw_cfg->chain_icd[ulp_num].chain_base;
phba->fw_config.iscsi_chain_count[ulp_num] =
pfw_cfg->chain_icd[ulp_num].chain_count;
beiscsi_log(phba, KERN_INFO, BEISCSI_LOG_INIT,
"BG_%d : Function loaded on ULP : %d\n"
"\tiscsi_cid_count : %d\n"
"\tiscsi_cid_start : %d\n"
"\t iscsi_icd_count : %d\n"
"\t iscsi_icd_start : %d\n",
ulp_num,
phba->fw_config.
iscsi_cid_count[ulp_num],
phba->fw_config.
iscsi_cid_start[ulp_num],
phba->fw_config.
iscsi_icd_count[ulp_num],
phba->fw_config.
iscsi_icd_start[ulp_num]);
}
}
phba->fw_config.dual_ulp_aware = (pfw_cfg->function_mode &
BEISCSI_FUNC_DUA_MODE);
beiscsi_log(phba, KERN_INFO, BEISCSI_LOG_INIT,
"BG_%d : DUA Mode : 0x%x\n",
phba->fw_config.dual_ulp_aware);
} else {
beiscsi_log(phba, KERN_ERR, BEISCSI_LOG_INIT,
"BG_%d : Failed in mgmt_get_fw_config\n");
status = -EINVAL;
}
spin_unlock(&ctrl->mbox_lock);
return status;
}
static int
beiscsi_iface_config_ipv4(struct Scsi_Host *shost,
struct iscsi_iface_param_info *info,
void *data, uint32_t dt_len)
{
struct beiscsi_hba *phba = iscsi_host_priv(shost);
u8 *ip = NULL, *subnet = NULL, *gw;
struct nlattr *nla;
int ret = -EPERM;
/* Check the param */
switch (info->param) {
case ISCSI_NET_PARAM_IFACE_ENABLE:
if (info->value[0] == ISCSI_IFACE_ENABLE)
ret = beiscsi_iface_create_ipv4(phba);
else {
iscsi_destroy_iface(phba->ipv4_iface);
phba->ipv4_iface = NULL;
}
break;
case ISCSI_NET_PARAM_IPV4_GW:
gw = info->value;
ret = beiscsi_if_set_gw(phba, BEISCSI_IP_TYPE_V4, gw);
break;
case ISCSI_NET_PARAM_IPV4_BOOTPROTO:
if (info->value[0] == ISCSI_BOOTPROTO_DHCP)
ret = beiscsi_if_en_dhcp(phba, BEISCSI_IP_TYPE_V4);
else if (info->value[0] == ISCSI_BOOTPROTO_STATIC)
/* release DHCP IP address */
ret = beiscsi_if_en_static(phba, BEISCSI_IP_TYPE_V4,
NULL, NULL);
else
beiscsi_log(phba, KERN_ERR, BEISCSI_LOG_CONFIG,
"BS_%d : Invalid BOOTPROTO: %d\n",
info->value[0]);
break;
case ISCSI_NET_PARAM_IPV4_ADDR:
ip = info->value;
nla = nla_find(data, dt_len, ISCSI_NET_PARAM_IPV4_SUBNET);
if (nla) {
info = nla_data(nla);
subnet = info->value;
}
ret = beiscsi_if_en_static(phba, BEISCSI_IP_TYPE_V4,
ip, subnet);
break;
case ISCSI_NET_PARAM_IPV4_SUBNET:
/*
* OPCODE_COMMON_ISCSI_NTWK_MODIFY_IP_ADDR ioctl needs IP
* and subnet both. Find IP to be applied for this subnet.
*/
subnet = info->value;
nla = nla_find(data, dt_len, ISCSI_NET_PARAM_IPV4_ADDR);
if (nla) {
info = nla_data(nla);
ip = info->value;
}
ret = beiscsi_if_en_static(phba, BEISCSI_IP_TYPE_V4,
ip, subnet);
break;
}
return ret;
}
/**
* beiscsi_session_create - creates a new iscsi session
* @cmds_max: max commands supported
* @qdepth: max queue depth supported
* @initial_cmdsn: initial iscsi CMDSN
*/
struct iscsi_cls_session *beiscsi_session_create(struct iscsi_endpoint *ep,
u16 cmds_max,
u16 qdepth,
u32 initial_cmdsn)
{
struct Scsi_Host *shost;
struct beiscsi_endpoint *beiscsi_ep;
struct iscsi_cls_session *cls_session;
struct beiscsi_hba *phba;
struct iscsi_session *sess;
struct beiscsi_session *beiscsi_sess;
struct beiscsi_io_task *io_task;
if (!ep) {
printk(KERN_ERR
"beiscsi_session_create: invalid ep\n");
return NULL;
}
beiscsi_ep = ep->dd_data;
phba = beiscsi_ep->phba;
if (phba->state & BE_ADAPTER_PCI_ERR) {
beiscsi_log(phba, KERN_ERR, BEISCSI_LOG_CONFIG,
"BS_%d : PCI_ERROR Recovery\n");
return NULL;
} else {
beiscsi_log(phba, KERN_INFO, BEISCSI_LOG_CONFIG,
"BS_%d : In beiscsi_session_create\n");
}
if (cmds_max > beiscsi_ep->phba->params.wrbs_per_cxn) {
beiscsi_log(phba, KERN_ERR, BEISCSI_LOG_CONFIG,
"BS_%d : Cannot handle %d cmds."
"Max cmds per session supported is %d. Using %d."
"\n", cmds_max,
beiscsi_ep->phba->params.wrbs_per_cxn,
beiscsi_ep->phba->params.wrbs_per_cxn);
cmds_max = beiscsi_ep->phba->params.wrbs_per_cxn;
}
shost = phba->shost;
cls_session = iscsi_session_setup(&beiscsi_iscsi_transport,
shost, cmds_max,
sizeof(*beiscsi_sess),
sizeof(*io_task),
initial_cmdsn, ISCSI_MAX_TARGET);
if (!cls_session)
return NULL;
sess = cls_session->dd_data;
beiscsi_sess = sess->dd_data;
beiscsi_sess->bhs_pool = pci_pool_create("beiscsi_bhs_pool",
phba->pcidev,
sizeof(struct be_cmd_bhs),
64, 0);
if (!beiscsi_sess->bhs_pool)
goto destroy_sess;
return cls_session;
destroy_sess:
iscsi_session_teardown(cls_session);
return NULL;
}
int beiscsi_iface_set_param(struct Scsi_Host *shost,
void *data, uint32_t dt_len)
{
struct iscsi_iface_param_info *iface_param = NULL;
struct beiscsi_hba *phba = iscsi_host_priv(shost);
struct nlattr *attrib;
uint32_t rm_len = dt_len;
int ret;
if (!beiscsi_hba_is_online(phba)) {
beiscsi_log(phba, KERN_INFO, BEISCSI_LOG_CONFIG,
"BS_%d : HBA in error 0x%lx\n", phba->state);
return -EBUSY;
}
/* update interface_handle */
ret = beiscsi_if_get_handle(phba);
if (ret) {
beiscsi_log(phba, KERN_ERR, BEISCSI_LOG_CONFIG,
"BS_%d : Getting Interface Handle Failed\n");
return ret;
}
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) {
beiscsi_log(phba, KERN_ERR, BEISCSI_LOG_CONFIG,
"BS_%d : Invalid iface_num %d."
"Only iface_num 0 is supported.\n",
iface_param->iface_num);
return -EINVAL;
}
beiscsi_log(phba, KERN_INFO, BEISCSI_LOG_CONFIG,
"BS_%d : %s.0 set param %d",
(iface_param->iface_type == ISCSI_IFACE_TYPE_IPV4) ?
"ipv4" : "ipv6", iface_param->param);
ret = -EPERM;
switch (iface_param->param) {
case ISCSI_NET_PARAM_VLAN_ENABLED:
case ISCSI_NET_PARAM_VLAN_TAG:
ret = beiscsi_iface_config_vlan(shost, iface_param);
break;
default:
switch (iface_param->iface_type) {
case ISCSI_IFACE_TYPE_IPV4:
ret = beiscsi_iface_config_ipv4(shost,
iface_param,
data, dt_len);
break;
case ISCSI_IFACE_TYPE_IPV6:
ret = beiscsi_iface_config_ipv6(shost,
iface_param,
data, dt_len);
break;
}
}
if (ret == -EPERM) {
__beiscsi_log(phba, KERN_ERR,
"BS_%d : %s.0 set param %d not permitted",
(iface_param->iface_type ==
ISCSI_IFACE_TYPE_IPV4) ? "ipv4" : "ipv6",
iface_param->param);
ret = 0;
}
if (ret)
break;
}
unsigned int mgmt_vendor_specific_fw_cmd(struct be_ctrl_info *ctrl,
struct beiscsi_hba *phba,
struct bsg_job *job,
struct be_dma_mem *nonemb_cmd)
{
struct be_cmd_resp_hdr *resp;
struct be_mcc_wrb *wrb = wrb_from_mccq(phba);
struct be_sge *mcc_sge = nonembedded_sgl(wrb);
unsigned int tag = 0;
struct iscsi_bsg_request *bsg_req = job->request;
struct be_bsg_vendor_cmd *req = nonemb_cmd->va;
unsigned short region, sector_size, sector, offset;
nonemb_cmd->size = job->request_payload.payload_len;
memset(nonemb_cmd->va, 0, nonemb_cmd->size);
resp = nonemb_cmd->va;
region = bsg_req->rqst_data.h_vendor.vendor_cmd[1];
sector_size = bsg_req->rqst_data.h_vendor.vendor_cmd[2];
sector = bsg_req->rqst_data.h_vendor.vendor_cmd[3];
offset = bsg_req->rqst_data.h_vendor.vendor_cmd[4];
req->region = region;
req->sector = sector;
req->offset = offset;
spin_lock(&ctrl->mbox_lock);
memset(wrb, 0, sizeof(*wrb));
switch (bsg_req->rqst_data.h_vendor.vendor_cmd[0]) {
case BEISCSI_WRITE_FLASH:
offset = sector * sector_size + offset;
be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ISCSI,
OPCODE_COMMON_WRITE_FLASH, sizeof(*req));
sg_copy_to_buffer(job->request_payload.sg_list,
job->request_payload.sg_cnt,
nonemb_cmd->va + offset, job->request_len);
break;
case BEISCSI_READ_FLASH:
be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ISCSI,
OPCODE_COMMON_READ_FLASH, sizeof(*req));
break;
default:
beiscsi_log(phba, KERN_WARNING, BEISCSI_LOG_CONFIG,
"BG_%d : Unsupported cmd = 0x%x\n\n",
bsg_req->rqst_data.h_vendor.vendor_cmd[0]);
spin_unlock(&ctrl->mbox_lock);
return -ENOSYS;
}
tag = alloc_mcc_tag(phba);
if (!tag) {
spin_unlock(&ctrl->mbox_lock);
return tag;
}
be_wrb_hdr_prepare(wrb, nonemb_cmd->size, false,
job->request_payload.sg_cnt);
mcc_sge->pa_hi = cpu_to_le32(upper_32_bits(nonemb_cmd->dma));
mcc_sge->pa_lo = cpu_to_le32(nonemb_cmd->dma & 0xFFFFFFFF);
mcc_sge->len = cpu_to_le32(nonemb_cmd->size);
wrb->tag0 |= tag;
be_mcc_notify(phba);
spin_unlock(&ctrl->mbox_lock);
return tag;
}
