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OpenCloudOS-Kernel/drivers/scsi/be2iscsi/be_mgmt.c

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/**
* Copyright (C) 2005 - 2009 ServerEngines
* 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 (jayamohank@serverengines.com)
*
* Contact Information:
* linux-drivers@serverengines.com
*
* ServerEngines
* 209 N. Fair Oaks Ave
* Sunnyvale, CA 94085
*
*/
#include "be_mgmt.h"
#include "be_iscsi.h"
unsigned char 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;
} else {
shost_printk(KERN_WARNING, phba->shost,
"Failed in mgmt_get_fw_config \n");
}
spin_unlock(&ctrl->mbox_lock);
return status;
}
unsigned char mgmt_check_supported_fw(struct be_ctrl_info *ctrl)
{
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) {
SE_DEBUG(DBG_LVL_1,
"Failed to allocate memory for mgmt_check_supported_fw"
"\n");
return -1;
}
nonemb_cmd.size = sizeof(struct be_mgmt_controller_attributes);
req = nonemb_cmd.va;
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;
SE_DEBUG(DBG_LVL_8, "Firmware version of CMD: %s\n",
resp->params.hba_attribs.flashrom_version_string);
SE_DEBUG(DBG_LVL_8, "Firmware version is : %s\n",
resp->params.hba_attribs.firmware_version_string);
SE_DEBUG(DBG_LVL_8,
"Developer Build, not performing version check...\n");
} else
SE_DEBUG(DBG_LVL_1, " Failed in mgmt_check_supported_fw\n");
if (nonemb_cmd.va)
pci_free_consistent(ctrl->pdev, nonemb_cmd.size,
nonemb_cmd.va, nonemb_cmd.dma);
spin_unlock(&ctrl->mbox_lock);
return status;
}
unsigned char mgmt_epfw_cleanup(struct beiscsi_hba *phba, unsigned short chute)
{
struct be_ctrl_info *ctrl = &phba->ctrl;
struct be_mcc_wrb *wrb = wrb_from_mbox(&ctrl->mbox_mem);
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 = 0;
req->data_ring_id = 0;
status = be_mbox_notify(ctrl);
if (status)
shost_printk(KERN_WARNING, phba->shost,
" mgmt_epfw_cleanup , FAILED\n");
spin_unlock(&ctrl->mbox_lock);
return status;
}
unsigned char mgmt_invalidate_icds(struct beiscsi_hba *phba,
unsigned int icd, unsigned int cid)
{
struct be_dma_mem nonemb_cmd;
struct be_ctrl_info *ctrl = &phba->ctrl;
struct be_mcc_wrb *wrb = wrb_from_mbox(&ctrl->mbox_mem);
struct be_sge *sge = nonembedded_sgl(wrb);
struct invalidate_commands_params_in *req;
int status = 0;
nonemb_cmd.va = pci_alloc_consistent(ctrl->pdev,
sizeof(struct invalidate_commands_params_in),
&nonemb_cmd.dma);
if (nonemb_cmd.va == NULL) {
SE_DEBUG(DBG_LVL_1,
"Failed to allocate memory for"
"mgmt_invalidate_icds \n");
return -1;
}
nonemb_cmd.size = sizeof(struct invalidate_commands_params_in);
req = nonemb_cmd.va;
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_ISCSI,
OPCODE_COMMON_ISCSI_ERROR_RECOVERY_INVALIDATE_COMMANDS,
sizeof(*req));
req->ref_handle = 0;
req->cleanup_type = CMD_ISCSI_COMMAND_INVALIDATE;
req->icd_count = 0;
req->table[req->icd_count].icd = icd;
req->table[req->icd_count].cid = cid;
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)
SE_DEBUG(DBG_LVL_1, "ICDS Invalidation Failed\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 char 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 = wrb_from_mbox(&ctrl->mbox_mem);
struct iscsi_invalidate_connection_params_in *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_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;
status = be_mbox_notify(ctrl);
if (status)
SE_DEBUG(DBG_LVL_1, "Invalidation Failed\n");
spin_unlock(&ctrl->mbox_lock);
return status;
}
unsigned char 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 = wrb_from_mbox(&ctrl->mbox_mem);
struct tcp_upload_params_in *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_COMMON_TCP_UPLOAD,
OPCODE_COMMON_TCP_UPLOAD, sizeof(*req));
req->id = (unsigned short)cid;
req->upload_type = (unsigned char)upload_flag;
status = be_mbox_notify(ctrl);
if (status)
SE_DEBUG(DBG_LVL_1, "mgmt_upload_connection Failed\n");
spin_unlock(&ctrl->mbox_lock);
return status;
}
int mgmt_open_connection(struct beiscsi_hba *phba,
struct sockaddr *dst_addr,
struct beiscsi_endpoint *beiscsi_ep)
{
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 = wrb_from_mbox(&ctrl->mbox_mem);
struct tcp_connect_and_offload_in *req = embedded_payload(wrb);
unsigned short def_hdr_id;
unsigned short def_data_id;
struct phys_addr template_address = { 0, 0 };
struct phys_addr *ptemplate_address;
int status = 0;
unsigned short cid = beiscsi_ep->ep_cid;
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);
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_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.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->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,
&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{
shost_printk(KERN_ERR, phba->shost, "unknown addr family %d\n",
dst_addr->sa_family);
spin_unlock(&ctrl->mbox_lock);
return -EINVAL;
}
req->cid = cid;
req->cq_id = phwi_context->be_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;
status = be_mbox_notify(ctrl);
if (!status) {
struct iscsi_endpoint *ep;
struct tcp_connect_and_offload_out *ptcpcnct_out =
embedded_payload(wrb);
ep = phba->ep_array[ptcpcnct_out->cid];
beiscsi_ep = ep->dd_data;
beiscsi_ep->fw_handle = 0;
beiscsi_ep->cid_vld = 1;
SE_DEBUG(DBG_LVL_8, "mgmt_open_connection Success\n");
} else
SE_DEBUG(DBG_LVL_1, "mgmt_open_connection Failed\n");
spin_unlock(&ctrl->mbox_lock);
return status;
}
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