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linux-2.6/drivers/scsi/be2iscsi/be_mgmt.c

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/**
* Copyright (C) 2005 - 2011 Emulex
* All rights reserved.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License version 2
* as published by the Free Software Foundation. The full GNU General
* Public License is included in this distribution in the file called COPYING.
*
* Written by: Jayamohan Kallickal (jayamohan.kallickal@emulex.com)
*
* Contact Information:
* linux-drivers@emulex.com
*
* Emulex
* 3333 Susan Street
* Costa Mesa, CA 92626
*/
#include <linux/bsg-lib.h>
#include <scsi/scsi_transport_iscsi.h>
#include <scsi/scsi_bsg_iscsi.h>
#include "be_mgmt.h"
#include "be_iscsi.h"
/**
* 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;
}
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;
}
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;
}
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;
}
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);
} 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;
}
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;
}
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;
}
unsigned int mgmt_invalidate_icds(struct beiscsi_hba *phba,
struct invalidate_command_table *inv_tbl,
unsigned int num_invalidate, unsigned int cid,
struct be_dma_mem *nonemb_cmd)
{
struct be_ctrl_info *ctrl = &phba->ctrl;
struct be_mcc_wrb *wrb;
struct be_sge *sge;
struct invalidate_commands_params_in *req;
unsigned int i, tag = 0;
spin_lock(&ctrl->mbox_lock);
tag = alloc_mcc_tag(phba);
if (!tag) {
spin_unlock(&ctrl->mbox_lock);
return tag;
}
req = nonemb_cmd->va;
memset(req, 0, sizeof(*req));
wrb = wrb_from_mccq(phba);
sge = nonembedded_sgl(wrb);
wrb->tag0 |= tag;
be_wrb_hdr_prepare(wrb, sizeof(*req), false, 1);
be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ISCSI,
OPCODE_COMMON_ISCSI_ERROR_RECOVERY_INVALIDATE_COMMANDS,
sizeof(*req));
req->ref_handle = 0;
req->cleanup_type = CMD_ISCSI_COMMAND_INVALIDATE;
for (i = 0; i < num_invalidate; i++) {
req->table[i].icd = inv_tbl->icd;
req->table[i].cid = inv_tbl->cid;
req->icd_count++;
inv_tbl++;
}
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;
}
unsigned int mgmt_invalidate_connection(struct beiscsi_hba *phba,
struct beiscsi_endpoint *beiscsi_ep,
unsigned short cid,
unsigned short issue_reset,
unsigned short savecfg_flag)
{
struct be_ctrl_info *ctrl = &phba->ctrl;
struct be_mcc_wrb *wrb;
struct iscsi_invalidate_connection_params_in *req;
unsigned int tag = 0;
spin_lock(&ctrl->mbox_lock);
tag = alloc_mcc_tag(phba);
if (!tag) {
spin_unlock(&ctrl->mbox_lock);
return tag;
}
wrb = wrb_from_mccq(phba);
wrb->tag0 |= tag;
req = embedded_payload(wrb);
be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ISCSI_INI,
OPCODE_ISCSI_INI_DRIVER_INVALIDATE_CONNECTION,
sizeof(*req));
req->session_handle = beiscsi_ep->fw_handle;
req->cid = cid;
if (issue_reset)
req->cleanup_type = CMD_ISCSI_CONNECTION_ISSUE_TCP_RST;
else
req->cleanup_type = CMD_ISCSI_CONNECTION_INVALIDATE;
req->save_cfg = savecfg_flag;
be_mcc_notify(phba);
spin_unlock(&ctrl->mbox_lock);
return tag;
}
unsigned int mgmt_upload_connection(struct beiscsi_hba *phba,
unsigned short cid, unsigned int upload_flag)
{
struct be_ctrl_info *ctrl = &phba->ctrl;
struct be_mcc_wrb *wrb;
struct tcp_upload_params_in *req;
unsigned int tag = 0;
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_COMMON_TCP_UPLOAD,
OPCODE_COMMON_TCP_UPLOAD, sizeof(*req));
req->id = (unsigned short)cid;
req->upload_type = (unsigned char)upload_flag;
be_mcc_notify(phba);
spin_unlock(&ctrl->mbox_lock);
return tag;
}
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;
struct sockaddr_in *daddr_in = (struct sockaddr_in *)dst_addr;
struct sockaddr_in6 *daddr_in6 = (struct sockaddr_in6 *)dst_addr;
struct be_ctrl_info *ctrl = &phba->ctrl;
struct be_mcc_wrb *wrb;
struct tcp_connect_and_offload_in *req;
unsigned short def_hdr_id;
unsigned short def_data_id;
struct phys_addr template_address = { 0, 0 };
struct phys_addr *ptemplate_address;
unsigned int tag = 0;
unsigned int i;
unsigned short cid = beiscsi_ep->ep_cid;
struct be_sge *sge;
phwi_ctrlr = phba->phwi_ctrlr;
phwi_context = phwi_ctrlr->phwi_ctxt;
def_hdr_id = (unsigned short)HWI_GET_DEF_HDRQ_ID(phba);
def_data_id = (unsigned short)HWI_GET_DEF_BUFQ_ID(phba);
ptemplate_address = &template_address;
ISCSI_GET_PDU_TEMPLATE_ADDRESS(phba, ptemplate_address);
spin_lock(&ctrl->mbox_lock);
tag = alloc_mcc_tag(phba);
if (!tag) {
spin_unlock(&ctrl->mbox_lock);
return tag;
}
wrb = wrb_from_mccq(phba);
memset(wrb, 0, sizeof(*wrb));
sge = nonembedded_sgl(wrb);
req = nonemb_cmd->va;
memset(req, 0, sizeof(*req));
wrb->tag0 |= tag;
be_wrb_hdr_prepare(wrb, sizeof(*req), false, 1);
be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ISCSI,
OPCODE_COMMON_ISCSI_TCP_CONNECT_AND_OFFLOAD,
sizeof(*req));
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.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.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);
memcpy(&beiscsi_ep->dst6_addr,
&daddr_in6->sin6_addr.in6_u.u6_addr8, 16);
beiscsi_ep->ip_type = BE2_IPV6;
} else{
beiscsi_log(phba, KERN_ERR, BEISCSI_LOG_CONFIG,
"BG_%d : unknown addr family %d\n",
dst_addr->sa_family);
spin_unlock(&ctrl->mbox_lock);
free_mcc_tag(&phba->ctrl, tag);
return -EINVAL;
}
req->cid = cid;
i = phba->nxt_cqid++;
if (phba->nxt_cqid == phba->num_cpus)
phba->nxt_cqid = 0;
req->cq_id = phwi_context->be_cq[i].id;
beiscsi_log(phba, KERN_INFO, BEISCSI_LOG_CONFIG,
"BG_%d : i=%d cq_id=%d\n", i, req->cq_id);
req->defq_id = def_hdr_id;
req->hdr_ring_id = def_hdr_id;
req->data_ring_id = def_data_id;
req->do_offload = 1;
req->dataout_template_pa.lo = ptemplate_address->lo;
req->dataout_template_pa.hi = ptemplate_address->hi;
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;
}
unsigned int mgmt_get_all_if_id(struct beiscsi_hba *phba)
{
struct be_ctrl_info *ctrl = &phba->ctrl;
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 {
beiscsi_log(phba, KERN_WARNING, BEISCSI_LOG_CONFIG,
"BG_%d : 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;
spin_lock(&ctrl->mbox_lock);
tag = alloc_mcc_tag(phba);
if (!tag) {
spin_unlock(&ctrl->mbox_lock);
rc = -ENOMEM;
goto free_cmd;
}
memset(wrb, 0, sizeof(*wrb));
wrb->tag0 |= tag;
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);
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) {
beiscsi_log(phba, KERN_ERR,
BEISCSI_LOG_CONFIG | BEISCSI_LOG_MBOX,
"BG_%d : 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, size, &cmd->dma);
if (!cmd->va) {
beiscsi_log(phba, KERN_ERR, BEISCSI_LOG_CONFIG,
"BG_%d : Failed to allocate memory for if info\n");
return -ENOMEM;
}
memset(cmd->va, 0, 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)
beiscsi_log(phba, KERN_WARNING, BEISCSI_LOG_CONFIG,
"BG_%d : 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) {
beiscsi_log(phba, KERN_WARNING, BEISCSI_LOG_CONFIG,
"BG_%d : 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) {
beiscsi_log(phba, KERN_WARNING,
BEISCSI_LOG_CONFIG,
"BG_%d : 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) {
beiscsi_log(phba, KERN_WARNING, BEISCSI_LOG_CONFIG,
"BG_%d : 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) {
beiscsi_log(phba, KERN_WARNING,
BEISCSI_LOG_CONFIG,
"BG_%d : 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) {
beiscsi_log(phba, KERN_WARNING, BEISCSI_LOG_CONFIG,
"BG_%d : 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) {
beiscsi_log(phba, KERN_WARNING, BEISCSI_LOG_CONFIG,
"BG_%d : 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)
beiscsi_log(phba, KERN_WARNING, BEISCSI_LOG_CONFIG,
"BG_%d : 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;
struct be_mcc_wrb *wrb;
struct be_cmd_hba_name *req;
struct be_ctrl_info *ctrl = &phba->ctrl;
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_CFG_GET_HBA_NAME,
sizeof(*req));
be_mcc_notify(phba);
spin_unlock(&ctrl->mbox_lock);
return tag;
}
unsigned int be_cmd_get_port_speed(struct beiscsi_hba *phba)
{
unsigned int tag = 0;
struct be_mcc_wrb *wrb;
struct be_cmd_ntwk_link_status_req *req;
struct be_ctrl_info *ctrl = &phba->ctrl;
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_COMMON,
OPCODE_COMMON_NTWK_LINK_STATUS_QUERY,
sizeof(*req));
be_mcc_notify(phba);
spin_unlock(&ctrl->mbox_lock);
return tag;
}
/**
* be_mgmt_get_boot_shandle()- Get the session handle
* @phba: device priv structure instance
* @s_handle: session handle returned for boot session.
*
* Get the boot target session handle. In case of
* crashdump mode driver has to issue and MBX Cmd
* for FW to login to boot target
*
* return
* Success: 0
* Failure: Non-Zero value
*
**/
int be_mgmt_get_boot_shandle(struct beiscsi_hba *phba,
unsigned int *s_handle)
{
struct be_cmd_get_boot_target_resp *boot_resp;
struct be_mcc_wrb *wrb;
unsigned int tag, wrb_num;
uint8_t boot_retry = 3;
unsigned short status, extd_status;
struct be_queue_info *mccq = &phba->ctrl.mcc_obj.q;
do {
/* Get the Boot Target Session Handle and Count*/
tag = mgmt_get_boot_target(phba);
if (!tag) {
beiscsi_log(phba, KERN_ERR,
BEISCSI_LOG_CONFIG | BEISCSI_LOG_INIT,
"BG_%d : Getting Boot Target Info 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) {
beiscsi_log(phba, KERN_ERR,
BEISCSI_LOG_INIT | BEISCSI_LOG_CONFIG,
"BG_%d : mgmt_get_boot_target 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);
/* Check if the there are any Boot targets configured */
if (!boot_resp->boot_session_count) {
beiscsi_log(phba, KERN_INFO,
BEISCSI_LOG_INIT | BEISCSI_LOG_CONFIG,
"BG_%d ;No boot targets configured\n");
return -ENXIO;
}
/* FW returns the session handle of the boot session */
if (boot_resp->boot_session_handle != INVALID_SESS_HANDLE) {
*s_handle = boot_resp->boot_session_handle;
return 0;
}
/* Issue MBX Cmd to FW to login to the boot target */
tag = mgmt_reopen_session(phba, BE_REOPEN_BOOT_SESSIONS,
INVALID_SESS_HANDLE);
if (!tag) {
beiscsi_log(phba, KERN_ERR,
BEISCSI_LOG_INIT | BEISCSI_LOG_CONFIG,
"BG_%d : mgmt_reopen_session 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) {
beiscsi_log(phba, KERN_ERR,
BEISCSI_LOG_INIT | BEISCSI_LOG_CONFIG,
"BG_%d : mgmt_reopen_session Failed"
" status = %d extd_status = %d\n",
status, extd_status);
free_mcc_tag(&phba->ctrl, tag);
return -EBUSY;
}
free_mcc_tag(&phba->ctrl, tag);
} while (--boot_retry);
/* Couldn't log into the boot target */
beiscsi_log(phba, KERN_ERR,
BEISCSI_LOG_INIT | BEISCSI_LOG_CONFIG,
"BG_%d : Login to Boot Target Failed\n");
return -ENXIO;
}
/**
* mgmt_set_vlan()- Issue and wait for CMD completion
* @phba: device private structure instance
* @vlan_tag: VLAN tag
*
* Issue the MBX Cmd and wait for the completion of the
* command.
*
* returns
* Success: 0
* Failure: Non-Xero Value
**/
int mgmt_set_vlan(struct beiscsi_hba *phba,
uint16_t vlan_tag)
{
unsigned int tag, wrb_num;
unsigned short status, extd_status;
tag = be_cmd_set_vlan(phba, vlan_tag);
if (!tag) {
beiscsi_log(phba, KERN_ERR,
(BEISCSI_LOG_CONFIG | BEISCSI_LOG_MBOX),
"BG_%d : VLAN Setting 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) {
beiscsi_log(phba, KERN_ERR,
(BEISCSI_LOG_CONFIG | BEISCSI_LOG_MBOX),
"BS_%d : status : %d extd_status : %d\n",
status, extd_status);
free_mcc_tag(&phba->ctrl, tag);
return -EAGAIN;
}
free_mcc_tag(&phba->ctrl, tag);
return 0;
}
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