1512 lines
43 KiB
C
1512 lines
43 KiB
C
/*
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* Copyright 2017 Broadcom. All Rights Reserved.
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* The term "Broadcom" refers to Broadcom Limited and/or its subsidiaries.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License version 2
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* as published by the Free Software Foundation. The full GNU General
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* Public License is included in this distribution in the file called COPYING.
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*
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* Contact Information:
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* linux-drivers@broadcom.com
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*
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*/
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#include <linux/bsg-lib.h>
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#include <scsi/scsi_transport_iscsi.h>
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#include <scsi/scsi_bsg_iscsi.h>
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#include "be_mgmt.h"
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#include "be_iscsi.h"
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#include "be_main.h"
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int beiscsi_modify_eq_delay(struct beiscsi_hba *phba,
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struct be_set_eqd *set_eqd,
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int num)
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{
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struct be_ctrl_info *ctrl = &phba->ctrl;
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struct be_mcc_wrb *wrb;
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struct be_cmd_req_modify_eq_delay *req;
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unsigned int tag;
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int i;
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mutex_lock(&ctrl->mbox_lock);
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wrb = alloc_mcc_wrb(phba, &tag);
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if (!wrb) {
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mutex_unlock(&ctrl->mbox_lock);
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return 0;
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}
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req = embedded_payload(wrb);
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be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
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be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
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OPCODE_COMMON_MODIFY_EQ_DELAY, sizeof(*req));
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req->num_eq = cpu_to_le32(num);
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for (i = 0; i < num; i++) {
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req->delay[i].eq_id = cpu_to_le32(set_eqd[i].eq_id);
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req->delay[i].phase = 0;
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req->delay[i].delay_multiplier =
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cpu_to_le32(set_eqd[i].delay_multiplier);
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}
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/* ignore the completion of this mbox command */
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set_bit(MCC_TAG_STATE_IGNORE, &ctrl->ptag_state[tag].tag_state);
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be_mcc_notify(phba, tag);
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mutex_unlock(&ctrl->mbox_lock);
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return tag;
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}
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unsigned int mgmt_vendor_specific_fw_cmd(struct be_ctrl_info *ctrl,
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struct beiscsi_hba *phba,
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struct bsg_job *job,
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struct be_dma_mem *nonemb_cmd)
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{
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struct be_mcc_wrb *wrb;
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struct be_sge *mcc_sge;
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unsigned int tag = 0;
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struct iscsi_bsg_request *bsg_req = job->request;
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struct be_bsg_vendor_cmd *req = nonemb_cmd->va;
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unsigned short region, sector_size, sector, offset;
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nonemb_cmd->size = job->request_payload.payload_len;
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memset(nonemb_cmd->va, 0, nonemb_cmd->size);
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region = bsg_req->rqst_data.h_vendor.vendor_cmd[1];
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sector_size = bsg_req->rqst_data.h_vendor.vendor_cmd[2];
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sector = bsg_req->rqst_data.h_vendor.vendor_cmd[3];
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offset = bsg_req->rqst_data.h_vendor.vendor_cmd[4];
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req->region = region;
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req->sector = sector;
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req->offset = offset;
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if (mutex_lock_interruptible(&ctrl->mbox_lock))
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return 0;
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switch (bsg_req->rqst_data.h_vendor.vendor_cmd[0]) {
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case BEISCSI_WRITE_FLASH:
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offset = sector * sector_size + offset;
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be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ISCSI,
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OPCODE_COMMON_WRITE_FLASH, sizeof(*req));
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sg_copy_to_buffer(job->request_payload.sg_list,
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job->request_payload.sg_cnt,
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nonemb_cmd->va + offset, job->request_len);
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break;
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case BEISCSI_READ_FLASH:
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be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ISCSI,
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OPCODE_COMMON_READ_FLASH, sizeof(*req));
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break;
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default:
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beiscsi_log(phba, KERN_WARNING, BEISCSI_LOG_CONFIG,
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"BG_%d : Unsupported cmd = 0x%x\n\n",
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bsg_req->rqst_data.h_vendor.vendor_cmd[0]);
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mutex_unlock(&ctrl->mbox_lock);
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return -EPERM;
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}
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wrb = alloc_mcc_wrb(phba, &tag);
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if (!wrb) {
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mutex_unlock(&ctrl->mbox_lock);
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return 0;
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}
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mcc_sge = nonembedded_sgl(wrb);
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be_wrb_hdr_prepare(wrb, nonemb_cmd->size, false,
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job->request_payload.sg_cnt);
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mcc_sge->pa_hi = cpu_to_le32(upper_32_bits(nonemb_cmd->dma));
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mcc_sge->pa_lo = cpu_to_le32(nonemb_cmd->dma & 0xFFFFFFFF);
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mcc_sge->len = cpu_to_le32(nonemb_cmd->size);
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be_mcc_notify(phba, tag);
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mutex_unlock(&ctrl->mbox_lock);
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return tag;
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}
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/**
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* mgmt_open_connection()- Establish a TCP CXN
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* @dst_addr: Destination Address
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* @beiscsi_ep: ptr to device endpoint struct
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* @nonemb_cmd: ptr to memory allocated for command
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*
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* return
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* Success: Tag number of the MBX Command issued
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* Failure: Error code
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**/
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int mgmt_open_connection(struct beiscsi_hba *phba,
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struct sockaddr *dst_addr,
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struct beiscsi_endpoint *beiscsi_ep,
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struct be_dma_mem *nonemb_cmd)
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{
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struct hwi_controller *phwi_ctrlr;
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struct hwi_context_memory *phwi_context;
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struct sockaddr_in *daddr_in = (struct sockaddr_in *)dst_addr;
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struct sockaddr_in6 *daddr_in6 = (struct sockaddr_in6 *)dst_addr;
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struct be_ctrl_info *ctrl = &phba->ctrl;
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struct be_mcc_wrb *wrb;
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struct tcp_connect_and_offload_in_v1 *req;
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unsigned short def_hdr_id;
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unsigned short def_data_id;
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struct phys_addr template_address = { 0, 0 };
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struct phys_addr *ptemplate_address;
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unsigned int tag = 0;
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unsigned int i, ulp_num;
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unsigned short cid = beiscsi_ep->ep_cid;
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struct be_sge *sge;
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if (dst_addr->sa_family != PF_INET && dst_addr->sa_family != PF_INET6) {
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beiscsi_log(phba, KERN_ERR, BEISCSI_LOG_CONFIG,
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"BG_%d : unknown addr family %d\n",
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dst_addr->sa_family);
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return -EINVAL;
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}
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phwi_ctrlr = phba->phwi_ctrlr;
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phwi_context = phwi_ctrlr->phwi_ctxt;
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ulp_num = phwi_ctrlr->wrb_context[BE_GET_CRI_FROM_CID(cid)].ulp_num;
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def_hdr_id = (unsigned short)HWI_GET_DEF_HDRQ_ID(phba, ulp_num);
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def_data_id = (unsigned short)HWI_GET_DEF_BUFQ_ID(phba, ulp_num);
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ptemplate_address = &template_address;
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ISCSI_GET_PDU_TEMPLATE_ADDRESS(phba, ptemplate_address);
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if (mutex_lock_interruptible(&ctrl->mbox_lock))
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return 0;
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wrb = alloc_mcc_wrb(phba, &tag);
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if (!wrb) {
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mutex_unlock(&ctrl->mbox_lock);
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return 0;
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}
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sge = nonembedded_sgl(wrb);
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req = nonemb_cmd->va;
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memset(req, 0, sizeof(*req));
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be_wrb_hdr_prepare(wrb, nonemb_cmd->size, false, 1);
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be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ISCSI,
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OPCODE_COMMON_ISCSI_TCP_CONNECT_AND_OFFLOAD,
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nonemb_cmd->size);
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if (dst_addr->sa_family == PF_INET) {
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__be32 s_addr = daddr_in->sin_addr.s_addr;
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req->ip_address.ip_type = BEISCSI_IP_TYPE_V4;
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req->ip_address.addr[0] = s_addr & 0x000000ff;
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req->ip_address.addr[1] = (s_addr & 0x0000ff00) >> 8;
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req->ip_address.addr[2] = (s_addr & 0x00ff0000) >> 16;
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req->ip_address.addr[3] = (s_addr & 0xff000000) >> 24;
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req->tcp_port = ntohs(daddr_in->sin_port);
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beiscsi_ep->dst_addr = daddr_in->sin_addr.s_addr;
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beiscsi_ep->dst_tcpport = ntohs(daddr_in->sin_port);
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beiscsi_ep->ip_type = BEISCSI_IP_TYPE_V4;
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} else {
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/* else its PF_INET6 family */
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req->ip_address.ip_type = BEISCSI_IP_TYPE_V6;
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memcpy(&req->ip_address.addr,
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&daddr_in6->sin6_addr.in6_u.u6_addr8, 16);
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req->tcp_port = ntohs(daddr_in6->sin6_port);
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beiscsi_ep->dst_tcpport = ntohs(daddr_in6->sin6_port);
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memcpy(&beiscsi_ep->dst6_addr,
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&daddr_in6->sin6_addr.in6_u.u6_addr8, 16);
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beiscsi_ep->ip_type = BEISCSI_IP_TYPE_V6;
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}
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req->cid = cid;
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i = phba->nxt_cqid++;
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if (phba->nxt_cqid == phba->num_cpus)
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phba->nxt_cqid = 0;
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req->cq_id = phwi_context->be_cq[i].id;
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beiscsi_log(phba, KERN_INFO, BEISCSI_LOG_CONFIG,
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"BG_%d : i=%d cq_id=%d\n", i, req->cq_id);
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req->defq_id = def_hdr_id;
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req->hdr_ring_id = def_hdr_id;
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req->data_ring_id = def_data_id;
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req->do_offload = 1;
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req->dataout_template_pa.lo = ptemplate_address->lo;
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req->dataout_template_pa.hi = ptemplate_address->hi;
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sge->pa_hi = cpu_to_le32(upper_32_bits(nonemb_cmd->dma));
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sge->pa_lo = cpu_to_le32(nonemb_cmd->dma & 0xFFFFFFFF);
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sge->len = cpu_to_le32(nonemb_cmd->size);
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if (!is_chip_be2_be3r(phba)) {
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req->hdr.version = MBX_CMD_VER1;
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req->tcp_window_size = 0x8000;
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req->tcp_window_scale_count = 2;
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}
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be_mcc_notify(phba, tag);
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mutex_unlock(&ctrl->mbox_lock);
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return tag;
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}
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/*
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* mgmt_exec_nonemb_cmd()- Execute Non Embedded MBX Cmd
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* @phba: Driver priv structure
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* @nonemb_cmd: Address of the MBX command issued
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* @resp_buf: Buffer to copy the MBX cmd response
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* @resp_buf_len: respone lenght to be copied
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*
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**/
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static int mgmt_exec_nonemb_cmd(struct beiscsi_hba *phba,
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struct be_dma_mem *nonemb_cmd, void *resp_buf,
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int resp_buf_len)
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{
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struct be_ctrl_info *ctrl = &phba->ctrl;
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struct be_mcc_wrb *wrb;
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struct be_sge *sge;
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unsigned int tag;
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int rc = 0;
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mutex_lock(&ctrl->mbox_lock);
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wrb = alloc_mcc_wrb(phba, &tag);
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if (!wrb) {
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mutex_unlock(&ctrl->mbox_lock);
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rc = -ENOMEM;
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goto free_cmd;
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}
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sge = nonembedded_sgl(wrb);
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be_wrb_hdr_prepare(wrb, nonemb_cmd->size, false, 1);
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sge->pa_hi = cpu_to_le32(upper_32_bits(nonemb_cmd->dma));
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sge->pa_lo = cpu_to_le32(lower_32_bits(nonemb_cmd->dma));
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sge->len = cpu_to_le32(nonemb_cmd->size);
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be_mcc_notify(phba, tag);
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mutex_unlock(&ctrl->mbox_lock);
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rc = beiscsi_mccq_compl_wait(phba, tag, NULL, nonemb_cmd);
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if (resp_buf)
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memcpy(resp_buf, nonemb_cmd->va, resp_buf_len);
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if (rc) {
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/* Check if the MBX Cmd needs to be re-issued */
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if (rc == -EAGAIN)
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return rc;
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beiscsi_log(phba, KERN_WARNING,
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BEISCSI_LOG_CONFIG | BEISCSI_LOG_MBOX,
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"BG_%d : mgmt_exec_nonemb_cmd Failed status\n");
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if (rc != -EBUSY)
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goto free_cmd;
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else
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return rc;
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}
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free_cmd:
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pci_free_consistent(ctrl->pdev, nonemb_cmd->size,
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nonemb_cmd->va, nonemb_cmd->dma);
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return rc;
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}
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static int mgmt_alloc_cmd_data(struct beiscsi_hba *phba, struct be_dma_mem *cmd,
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int iscsi_cmd, int size)
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{
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cmd->va = pci_zalloc_consistent(phba->ctrl.pdev, size, &cmd->dma);
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if (!cmd->va) {
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beiscsi_log(phba, KERN_ERR, BEISCSI_LOG_CONFIG,
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"BG_%d : Failed to allocate memory for if info\n");
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return -ENOMEM;
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}
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cmd->size = size;
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be_cmd_hdr_prepare(cmd->va, CMD_SUBSYSTEM_ISCSI, iscsi_cmd, size);
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beiscsi_log(phba, KERN_INFO, BEISCSI_LOG_CONFIG,
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"BG_%d : subsystem iSCSI cmd %d size %d\n",
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iscsi_cmd, size);
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return 0;
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}
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unsigned int beiscsi_if_get_handle(struct beiscsi_hba *phba)
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{
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struct be_ctrl_info *ctrl = &phba->ctrl;
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struct be_mcc_wrb *wrb;
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struct be_cmd_get_all_if_id_req *req;
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struct be_cmd_get_all_if_id_req *pbe_allid;
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unsigned int tag;
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int status = 0;
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if (mutex_lock_interruptible(&ctrl->mbox_lock))
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return -EINTR;
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wrb = alloc_mcc_wrb(phba, &tag);
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if (!wrb) {
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mutex_unlock(&ctrl->mbox_lock);
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return -ENOMEM;
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}
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req = embedded_payload(wrb);
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be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
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be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ISCSI,
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OPCODE_COMMON_ISCSI_NTWK_GET_ALL_IF_ID,
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sizeof(*req));
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be_mcc_notify(phba, tag);
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mutex_unlock(&ctrl->mbox_lock);
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status = beiscsi_mccq_compl_wait(phba, tag, &wrb, NULL);
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if (status) {
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beiscsi_log(phba, KERN_WARNING, BEISCSI_LOG_CONFIG,
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"BG_%d : %s failed: %d\n", __func__, status);
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return -EBUSY;
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}
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pbe_allid = embedded_payload(wrb);
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/* we now support only one interface per function */
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phba->interface_handle = pbe_allid->if_hndl_list[0];
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return status;
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}
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static inline bool beiscsi_if_zero_ip(u8 *ip, u32 ip_type)
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{
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u32 len;
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len = (ip_type < BEISCSI_IP_TYPE_V6) ? IP_V4_LEN : IP_V6_LEN;
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while (len && !ip[len - 1])
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len--;
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return (len == 0);
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}
|
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static int beiscsi_if_mod_gw(struct beiscsi_hba *phba,
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u32 action, u32 ip_type, u8 *gw)
|
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{
|
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struct be_cmd_set_def_gateway_req *req;
|
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struct be_dma_mem nonemb_cmd;
|
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int rt_val;
|
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|
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rt_val = mgmt_alloc_cmd_data(phba, &nonemb_cmd,
|
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OPCODE_COMMON_ISCSI_NTWK_MODIFY_DEFAULT_GATEWAY,
|
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sizeof(*req));
|
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if (rt_val)
|
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return rt_val;
|
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|
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req = nonemb_cmd.va;
|
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req->action = action;
|
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req->ip_addr.ip_type = ip_type;
|
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memcpy(req->ip_addr.addr, gw,
|
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(ip_type < BEISCSI_IP_TYPE_V6) ? IP_V4_LEN : IP_V6_LEN);
|
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return mgmt_exec_nonemb_cmd(phba, &nonemb_cmd, NULL, 0);
|
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}
|
||
|
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int beiscsi_if_set_gw(struct beiscsi_hba *phba, u32 ip_type, u8 *gw)
|
||
{
|
||
struct be_cmd_get_def_gateway_resp gw_resp;
|
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int rt_val;
|
||
|
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memset(&gw_resp, 0, sizeof(gw_resp));
|
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rt_val = beiscsi_if_get_gw(phba, ip_type, &gw_resp);
|
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if (rt_val) {
|
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beiscsi_log(phba, KERN_WARNING, BEISCSI_LOG_CONFIG,
|
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"BG_%d : Failed to Get Gateway Addr\n");
|
||
return rt_val;
|
||
}
|
||
|
||
if (!beiscsi_if_zero_ip(gw_resp.ip_addr.addr, ip_type)) {
|
||
rt_val = beiscsi_if_mod_gw(phba, IP_ACTION_DEL, ip_type,
|
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gw_resp.ip_addr.addr);
|
||
if (rt_val) {
|
||
beiscsi_log(phba, KERN_WARNING, BEISCSI_LOG_CONFIG,
|
||
"BG_%d : Failed to clear Gateway Addr Set\n");
|
||
return rt_val;
|
||
}
|
||
}
|
||
|
||
rt_val = beiscsi_if_mod_gw(phba, IP_ACTION_ADD, ip_type, gw);
|
||
if (rt_val)
|
||
beiscsi_log(phba, KERN_WARNING, BEISCSI_LOG_CONFIG,
|
||
"BG_%d : Failed to Set Gateway Addr\n");
|
||
|
||
return rt_val;
|
||
}
|
||
|
||
int beiscsi_if_get_gw(struct beiscsi_hba *phba, u32 ip_type,
|
||
struct be_cmd_get_def_gateway_resp *resp)
|
||
{
|
||
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(*resp));
|
||
if (rc)
|
||
return rc;
|
||
|
||
req = nonemb_cmd.va;
|
||
req->ip_type = ip_type;
|
||
|
||
return mgmt_exec_nonemb_cmd(phba, &nonemb_cmd, resp,
|
||
sizeof(*resp));
|
||
}
|
||
|
||
static int
|
||
beiscsi_if_clr_ip(struct beiscsi_hba *phba,
|
||
struct be_cmd_get_if_info_resp *if_info)
|
||
{
|
||
struct be_cmd_set_ip_addr_req *req;
|
||
struct be_dma_mem nonemb_cmd;
|
||
int rc;
|
||
|
||
rc = mgmt_alloc_cmd_data(phba, &nonemb_cmd,
|
||
OPCODE_COMMON_ISCSI_NTWK_MODIFY_IP_ADDR,
|
||
sizeof(*req));
|
||
if (rc)
|
||
return rc;
|
||
|
||
req = nonemb_cmd.va;
|
||
req->ip_params.record_entry_count = 1;
|
||
req->ip_params.ip_record.action = IP_ACTION_DEL;
|
||
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 = if_info->ip_addr.ip_type;
|
||
memcpy(req->ip_params.ip_record.ip_addr.addr,
|
||
if_info->ip_addr.addr,
|
||
sizeof(if_info->ip_addr.addr));
|
||
memcpy(req->ip_params.ip_record.ip_addr.subnet_mask,
|
||
if_info->ip_addr.subnet_mask,
|
||
sizeof(if_info->ip_addr.subnet_mask));
|
||
rc = mgmt_exec_nonemb_cmd(phba, &nonemb_cmd, NULL, 0);
|
||
if (rc < 0 || req->ip_params.ip_record.status) {
|
||
beiscsi_log(phba, KERN_INFO, BEISCSI_LOG_CONFIG,
|
||
"BG_%d : failed to clear IP: rc %d status %d\n",
|
||
rc, req->ip_params.ip_record.status);
|
||
}
|
||
return rc;
|
||
}
|
||
|
||
static int
|
||
beiscsi_if_set_ip(struct beiscsi_hba *phba, u8 *ip,
|
||
u8 *subnet, u32 ip_type)
|
||
{
|
||
struct be_cmd_set_ip_addr_req *req;
|
||
struct be_dma_mem nonemb_cmd;
|
||
uint32_t ip_len;
|
||
int rc;
|
||
|
||
rc = mgmt_alloc_cmd_data(phba, &nonemb_cmd,
|
||
OPCODE_COMMON_ISCSI_NTWK_MODIFY_IP_ADDR,
|
||
sizeof(*req));
|
||
if (rc)
|
||
return rc;
|
||
|
||
req = nonemb_cmd.va;
|
||
req->ip_params.record_entry_count = 1;
|
||
req->ip_params.ip_record.action = IP_ACTION_ADD;
|
||
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;
|
||
ip_len = (ip_type < BEISCSI_IP_TYPE_V6) ? IP_V4_LEN : IP_V6_LEN;
|
||
memcpy(req->ip_params.ip_record.ip_addr.addr, ip, ip_len);
|
||
if (subnet)
|
||
memcpy(req->ip_params.ip_record.ip_addr.subnet_mask,
|
||
subnet, ip_len);
|
||
|
||
rc = mgmt_exec_nonemb_cmd(phba, &nonemb_cmd, NULL, 0);
|
||
/**
|
||
* In some cases, host needs to look into individual record status
|
||
* even though FW reported success for that IOCTL.
|
||
*/
|
||
if (rc < 0 || req->ip_params.ip_record.status) {
|
||
__beiscsi_log(phba, KERN_ERR,
|
||
"BG_%d : failed to set IP: rc %d status %d\n",
|
||
rc, req->ip_params.ip_record.status);
|
||
if (req->ip_params.ip_record.status)
|
||
rc = -EINVAL;
|
||
}
|
||
return rc;
|
||
}
|
||
|
||
int beiscsi_if_en_static(struct beiscsi_hba *phba, u32 ip_type,
|
||
u8 *ip, u8 *subnet)
|
||
{
|
||
struct be_cmd_get_if_info_resp *if_info;
|
||
struct be_cmd_rel_dhcp_req *reldhcp;
|
||
struct be_dma_mem nonemb_cmd;
|
||
int rc;
|
||
|
||
rc = beiscsi_if_get_info(phba, ip_type, &if_info);
|
||
if (rc)
|
||
return rc;
|
||
|
||
if (if_info->dhcp_state) {
|
||
rc = mgmt_alloc_cmd_data(phba, &nonemb_cmd,
|
||
OPCODE_COMMON_ISCSI_NTWK_REL_STATELESS_IP_ADDR,
|
||
sizeof(*reldhcp));
|
||
if (rc)
|
||
goto exit;
|
||
|
||
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 release existing DHCP: %d\n",
|
||
rc);
|
||
goto exit;
|
||
}
|
||
}
|
||
|
||
/* first delete any IP set */
|
||
if (!beiscsi_if_zero_ip(if_info->ip_addr.addr, ip_type)) {
|
||
rc = beiscsi_if_clr_ip(phba, if_info);
|
||
if (rc)
|
||
goto exit;
|
||
}
|
||
|
||
/* if ip == NULL then this is called just to release DHCP IP */
|
||
if (ip)
|
||
rc = beiscsi_if_set_ip(phba, ip, subnet, ip_type);
|
||
exit:
|
||
kfree(if_info);
|
||
return rc;
|
||
}
|
||
|
||
int beiscsi_if_en_dhcp(struct beiscsi_hba *phba, u32 ip_type)
|
||
{
|
||
struct be_cmd_get_def_gateway_resp gw_resp;
|
||
struct be_cmd_get_if_info_resp *if_info;
|
||
struct be_cmd_set_dhcp_req *dhcpreq;
|
||
struct be_dma_mem nonemb_cmd;
|
||
u8 *gw;
|
||
int rc;
|
||
|
||
rc = beiscsi_if_get_info(phba, ip_type, &if_info);
|
||
if (rc)
|
||
return rc;
|
||
|
||
if (if_info->dhcp_state) {
|
||
beiscsi_log(phba, KERN_WARNING, BEISCSI_LOG_CONFIG,
|
||
"BG_%d : DHCP Already Enabled\n");
|
||
goto exit;
|
||
}
|
||
|
||
/* first delete any IP set */
|
||
if (!beiscsi_if_zero_ip(if_info->ip_addr.addr, ip_type)) {
|
||
rc = beiscsi_if_clr_ip(phba, if_info);
|
||
if (rc)
|
||
goto exit;
|
||
}
|
||
|
||
/* delete gateway settings if mode change is to DHCP */
|
||
memset(&gw_resp, 0, sizeof(gw_resp));
|
||
/* use ip_type provided in if_info */
|
||
rc = beiscsi_if_get_gw(phba, if_info->ip_addr.ip_type, &gw_resp);
|
||
if (rc) {
|
||
beiscsi_log(phba, KERN_WARNING, BEISCSI_LOG_CONFIG,
|
||
"BG_%d : Failed to Get Gateway Addr\n");
|
||
goto exit;
|
||
}
|
||
gw = (u8 *)&gw_resp.ip_addr.addr;
|
||
if (!beiscsi_if_zero_ip(gw, if_info->ip_addr.ip_type)) {
|
||
rc = beiscsi_if_mod_gw(phba, IP_ACTION_DEL,
|
||
if_info->ip_addr.ip_type, gw);
|
||
if (rc) {
|
||
beiscsi_log(phba, KERN_WARNING, BEISCSI_LOG_CONFIG,
|
||
"BG_%d : Failed to clear Gateway Addr Set\n");
|
||
goto exit;
|
||
}
|
||
}
|
||
|
||
rc = mgmt_alloc_cmd_data(phba, &nonemb_cmd,
|
||
OPCODE_COMMON_ISCSI_NTWK_CONFIG_STATELESS_IP_ADDR,
|
||
sizeof(*dhcpreq));
|
||
if (rc)
|
||
goto exit;
|
||
|
||
dhcpreq = nonemb_cmd.va;
|
||
dhcpreq->flags = 1; /* 1 - blocking; 0 - non-blocking */
|
||
dhcpreq->retry_count = 1;
|
||
dhcpreq->interface_hndl = phba->interface_handle;
|
||
dhcpreq->ip_type = ip_type;
|
||
rc = mgmt_exec_nonemb_cmd(phba, &nonemb_cmd, NULL, 0);
|
||
|
||
exit:
|
||
kfree(if_info);
|
||
return rc;
|
||
}
|
||
|
||
/**
|
||
* beiscsi_if_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 beiscsi_if_set_vlan(struct beiscsi_hba *phba, uint16_t vlan_tag)
|
||
{
|
||
int rc;
|
||
unsigned int tag;
|
||
|
||
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;
|
||
}
|
||
|
||
rc = beiscsi_mccq_compl_wait(phba, tag, NULL, NULL);
|
||
if (rc) {
|
||
beiscsi_log(phba, KERN_ERR,
|
||
(BEISCSI_LOG_CONFIG | BEISCSI_LOG_MBOX),
|
||
"BS_%d : VLAN MBX Cmd Failed\n");
|
||
return rc;
|
||
}
|
||
return rc;
|
||
}
|
||
|
||
|
||
int beiscsi_if_get_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;
|
||
uint32_t ioctl_size = sizeof(struct be_cmd_get_if_info_resp);
|
||
int rc;
|
||
|
||
rc = beiscsi_if_get_handle(phba);
|
||
if (rc)
|
||
return rc;
|
||
|
||
do {
|
||
rc = mgmt_alloc_cmd_data(phba, &nonemb_cmd,
|
||
OPCODE_COMMON_ISCSI_NTWK_GET_IF_INFO,
|
||
ioctl_size);
|
||
if (rc)
|
||
return rc;
|
||
|
||
req = nonemb_cmd.va;
|
||
req->interface_hndl = phba->interface_handle;
|
||
req->ip_type = ip_type;
|
||
|
||
/* Allocate memory for if_info */
|
||
*if_info = kzalloc(ioctl_size, GFP_KERNEL);
|
||
if (!*if_info) {
|
||
beiscsi_log(phba, KERN_ERR,
|
||
BEISCSI_LOG_INIT | BEISCSI_LOG_CONFIG,
|
||
"BG_%d : Memory Allocation Failure\n");
|
||
|
||
/* Free the DMA memory for the IOCTL issuing */
|
||
pci_free_consistent(phba->ctrl.pdev,
|
||
nonemb_cmd.size,
|
||
nonemb_cmd.va,
|
||
nonemb_cmd.dma);
|
||
return -ENOMEM;
|
||
}
|
||
|
||
rc = mgmt_exec_nonemb_cmd(phba, &nonemb_cmd, *if_info,
|
||
ioctl_size);
|
||
|
||
/* Check if the error is because of Insufficent_Buffer */
|
||
if (rc == -EAGAIN) {
|
||
|
||
/* Get the new memory size */
|
||
ioctl_size = ((struct be_cmd_resp_hdr *)
|
||
nonemb_cmd.va)->actual_resp_len;
|
||
ioctl_size += sizeof(struct be_cmd_req_hdr);
|
||
|
||
/* Free the previous allocated DMA memory */
|
||
pci_free_consistent(phba->ctrl.pdev, nonemb_cmd.size,
|
||
nonemb_cmd.va,
|
||
nonemb_cmd.dma);
|
||
|
||
/* Free the virtual memory */
|
||
kfree(*if_info);
|
||
} else
|
||
break;
|
||
} while (true);
|
||
return rc;
|
||
}
|
||
|
||
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;
|
||
struct be_mcc_wrb *wrb;
|
||
struct be_cmd_hba_name *req;
|
||
struct be_ctrl_info *ctrl = &phba->ctrl;
|
||
|
||
if (mutex_lock_interruptible(&ctrl->mbox_lock))
|
||
return 0;
|
||
wrb = alloc_mcc_wrb(phba, &tag);
|
||
if (!wrb) {
|
||
mutex_unlock(&ctrl->mbox_lock);
|
||
return 0;
|
||
}
|
||
|
||
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_CFG_GET_HBA_NAME,
|
||
sizeof(*req));
|
||
|
||
be_mcc_notify(phba, tag);
|
||
mutex_unlock(&ctrl->mbox_lock);
|
||
return tag;
|
||
}
|
||
|
||
static void beiscsi_boot_process_compl(struct beiscsi_hba *phba,
|
||
unsigned int tag)
|
||
{
|
||
struct be_cmd_get_boot_target_resp *boot_resp;
|
||
struct be_cmd_resp_logout_fw_sess *logo_resp;
|
||
struct be_cmd_get_session_resp *sess_resp;
|
||
struct be_mcc_wrb *wrb;
|
||
struct boot_struct *bs;
|
||
int boot_work, status;
|
||
|
||
if (!test_bit(BEISCSI_HBA_BOOT_WORK, &phba->state)) {
|
||
__beiscsi_log(phba, KERN_ERR,
|
||
"BG_%d : %s no boot work %lx\n",
|
||
__func__, phba->state);
|
||
return;
|
||
}
|
||
|
||
if (phba->boot_struct.tag != tag) {
|
||
__beiscsi_log(phba, KERN_ERR,
|
||
"BG_%d : %s tag mismatch %d:%d\n",
|
||
__func__, tag, phba->boot_struct.tag);
|
||
return;
|
||
}
|
||
bs = &phba->boot_struct;
|
||
boot_work = 1;
|
||
status = 0;
|
||
switch (bs->action) {
|
||
case BEISCSI_BOOT_REOPEN_SESS:
|
||
status = __beiscsi_mcc_compl_status(phba, tag, NULL, NULL);
|
||
if (!status)
|
||
bs->action = BEISCSI_BOOT_GET_SHANDLE;
|
||
else
|
||
bs->retry--;
|
||
break;
|
||
case BEISCSI_BOOT_GET_SHANDLE:
|
||
status = __beiscsi_mcc_compl_status(phba, tag, &wrb, NULL);
|
||
if (!status) {
|
||
boot_resp = embedded_payload(wrb);
|
||
bs->s_handle = boot_resp->boot_session_handle;
|
||
}
|
||
if (bs->s_handle == BE_BOOT_INVALID_SHANDLE) {
|
||
bs->action = BEISCSI_BOOT_REOPEN_SESS;
|
||
bs->retry--;
|
||
} else {
|
||
bs->action = BEISCSI_BOOT_GET_SINFO;
|
||
}
|
||
break;
|
||
case BEISCSI_BOOT_GET_SINFO:
|
||
status = __beiscsi_mcc_compl_status(phba, tag, NULL,
|
||
&bs->nonemb_cmd);
|
||
if (!status) {
|
||
sess_resp = bs->nonemb_cmd.va;
|
||
memcpy(&bs->boot_sess, &sess_resp->session_info,
|
||
sizeof(struct mgmt_session_info));
|
||
bs->action = BEISCSI_BOOT_LOGOUT_SESS;
|
||
} else {
|
||
__beiscsi_log(phba, KERN_ERR,
|
||
"BG_%d : get boot session info error : 0x%x\n",
|
||
status);
|
||
boot_work = 0;
|
||
}
|
||
pci_free_consistent(phba->ctrl.pdev, bs->nonemb_cmd.size,
|
||
bs->nonemb_cmd.va, bs->nonemb_cmd.dma);
|
||
bs->nonemb_cmd.va = NULL;
|
||
break;
|
||
case BEISCSI_BOOT_LOGOUT_SESS:
|
||
status = __beiscsi_mcc_compl_status(phba, tag, &wrb, NULL);
|
||
if (!status) {
|
||
logo_resp = embedded_payload(wrb);
|
||
if (logo_resp->session_status != BE_SESS_STATUS_CLOSE) {
|
||
__beiscsi_log(phba, KERN_ERR,
|
||
"BG_%d : FW boot session logout error : 0x%x\n",
|
||
logo_resp->session_status);
|
||
}
|
||
}
|
||
/* continue to create boot_kset even if logout failed? */
|
||
bs->action = BEISCSI_BOOT_CREATE_KSET;
|
||
break;
|
||
default:
|
||
break;
|
||
}
|
||
|
||
/* clear the tag so no other completion matches this tag */
|
||
bs->tag = 0;
|
||
if (!bs->retry) {
|
||
boot_work = 0;
|
||
__beiscsi_log(phba, KERN_ERR,
|
||
"BG_%d : failed to setup boot target: status %d action %d\n",
|
||
status, bs->action);
|
||
}
|
||
if (!boot_work) {
|
||
/* wait for next event to start boot_work */
|
||
clear_bit(BEISCSI_HBA_BOOT_WORK, &phba->state);
|
||
return;
|
||
}
|
||
schedule_work(&phba->boot_work);
|
||
}
|
||
|
||
/**
|
||
* beiscsi_boot_logout_sess()- Logout from boot FW session
|
||
* @phba: Device priv structure instance
|
||
*
|
||
* return
|
||
* the TAG used for MBOX Command
|
||
*
|
||
*/
|
||
unsigned int beiscsi_boot_logout_sess(struct beiscsi_hba *phba)
|
||
{
|
||
struct be_ctrl_info *ctrl = &phba->ctrl;
|
||
struct be_mcc_wrb *wrb;
|
||
struct be_cmd_req_logout_fw_sess *req;
|
||
unsigned int tag;
|
||
|
||
mutex_lock(&ctrl->mbox_lock);
|
||
wrb = alloc_mcc_wrb(phba, &tag);
|
||
if (!wrb) {
|
||
mutex_unlock(&ctrl->mbox_lock);
|
||
return 0;
|
||
}
|
||
|
||
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_SESSION_LOGOUT_TARGET,
|
||
sizeof(struct be_cmd_req_logout_fw_sess));
|
||
/* Use the session handle copied into boot_sess */
|
||
req->session_handle = phba->boot_struct.boot_sess.session_handle;
|
||
|
||
phba->boot_struct.tag = tag;
|
||
set_bit(MCC_TAG_STATE_ASYNC, &ctrl->ptag_state[tag].tag_state);
|
||
ctrl->ptag_state[tag].cbfn = beiscsi_boot_process_compl;
|
||
|
||
be_mcc_notify(phba, tag);
|
||
mutex_unlock(&ctrl->mbox_lock);
|
||
|
||
return tag;
|
||
}
|
||
/**
|
||
* beiscsi_boot_reopen_sess()- Reopen boot session
|
||
* @phba: Device priv structure instance
|
||
*
|
||
* return
|
||
* the TAG used for MBOX Command
|
||
*
|
||
**/
|
||
unsigned int beiscsi_boot_reopen_sess(struct beiscsi_hba *phba)
|
||
{
|
||
struct be_ctrl_info *ctrl = &phba->ctrl;
|
||
struct be_mcc_wrb *wrb;
|
||
struct be_cmd_reopen_session_req *req;
|
||
unsigned int tag;
|
||
|
||
mutex_lock(&ctrl->mbox_lock);
|
||
wrb = alloc_mcc_wrb(phba, &tag);
|
||
if (!wrb) {
|
||
mutex_unlock(&ctrl->mbox_lock);
|
||
return 0;
|
||
}
|
||
|
||
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_REOPEN_ALL_SESSIONS,
|
||
sizeof(struct be_cmd_reopen_session_resp));
|
||
req->reopen_type = BE_REOPEN_BOOT_SESSIONS;
|
||
req->session_handle = BE_BOOT_INVALID_SHANDLE;
|
||
|
||
phba->boot_struct.tag = tag;
|
||
set_bit(MCC_TAG_STATE_ASYNC, &ctrl->ptag_state[tag].tag_state);
|
||
ctrl->ptag_state[tag].cbfn = beiscsi_boot_process_compl;
|
||
|
||
be_mcc_notify(phba, tag);
|
||
mutex_unlock(&ctrl->mbox_lock);
|
||
return tag;
|
||
}
|
||
|
||
|
||
/**
|
||
* beiscsi_boot_get_sinfo()- Get boot session info
|
||
* @phba: device priv structure instance
|
||
*
|
||
* Fetches the boot_struct.s_handle info from FW.
|
||
* return
|
||
* the TAG used for MBOX Command
|
||
*
|
||
**/
|
||
unsigned int beiscsi_boot_get_sinfo(struct beiscsi_hba *phba)
|
||
{
|
||
struct be_ctrl_info *ctrl = &phba->ctrl;
|
||
struct be_cmd_get_session_req *req;
|
||
struct be_dma_mem *nonemb_cmd;
|
||
struct be_mcc_wrb *wrb;
|
||
struct be_sge *sge;
|
||
unsigned int tag;
|
||
|
||
mutex_lock(&ctrl->mbox_lock);
|
||
wrb = alloc_mcc_wrb(phba, &tag);
|
||
if (!wrb) {
|
||
mutex_unlock(&ctrl->mbox_lock);
|
||
return 0;
|
||
}
|
||
|
||
nonemb_cmd = &phba->boot_struct.nonemb_cmd;
|
||
nonemb_cmd->size = sizeof(struct be_cmd_get_session_resp);
|
||
nonemb_cmd->va = pci_alloc_consistent(phba->ctrl.pdev,
|
||
nonemb_cmd->size,
|
||
&nonemb_cmd->dma);
|
||
if (!nonemb_cmd->va) {
|
||
mutex_unlock(&ctrl->mbox_lock);
|
||
return 0;
|
||
}
|
||
|
||
req = nonemb_cmd->va;
|
||
memset(req, 0, sizeof(*req));
|
||
sge = nonembedded_sgl(wrb);
|
||
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(struct be_cmd_get_session_resp));
|
||
req->session_handle = phba->boot_struct.s_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);
|
||
|
||
phba->boot_struct.tag = tag;
|
||
set_bit(MCC_TAG_STATE_ASYNC, &ctrl->ptag_state[tag].tag_state);
|
||
ctrl->ptag_state[tag].cbfn = beiscsi_boot_process_compl;
|
||
|
||
be_mcc_notify(phba, tag);
|
||
mutex_unlock(&ctrl->mbox_lock);
|
||
return tag;
|
||
}
|
||
|
||
unsigned int __beiscsi_boot_get_shandle(struct beiscsi_hba *phba, int async)
|
||
{
|
||
struct be_ctrl_info *ctrl = &phba->ctrl;
|
||
struct be_mcc_wrb *wrb;
|
||
struct be_cmd_get_boot_target_req *req;
|
||
unsigned int tag;
|
||
|
||
mutex_lock(&ctrl->mbox_lock);
|
||
wrb = alloc_mcc_wrb(phba, &tag);
|
||
if (!wrb) {
|
||
mutex_unlock(&ctrl->mbox_lock);
|
||
return 0;
|
||
}
|
||
|
||
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_BOOT_GET_BOOT_TARGET,
|
||
sizeof(struct be_cmd_get_boot_target_resp));
|
||
|
||
if (async) {
|
||
phba->boot_struct.tag = tag;
|
||
set_bit(MCC_TAG_STATE_ASYNC, &ctrl->ptag_state[tag].tag_state);
|
||
ctrl->ptag_state[tag].cbfn = beiscsi_boot_process_compl;
|
||
}
|
||
|
||
be_mcc_notify(phba, tag);
|
||
mutex_unlock(&ctrl->mbox_lock);
|
||
return tag;
|
||
}
|
||
|
||
/**
|
||
* beiscsi_boot_get_shandle()- Get boot session handle
|
||
* @phba: device priv structure instance
|
||
* @s_handle: session handle returned for boot session.
|
||
*
|
||
* return
|
||
* Success: 1
|
||
* Failure: negative
|
||
*
|
||
**/
|
||
int beiscsi_boot_get_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;
|
||
int rc;
|
||
|
||
*s_handle = BE_BOOT_INVALID_SHANDLE;
|
||
/* get configured boot session count and handle */
|
||
tag = __beiscsi_boot_get_shandle(phba, 0);
|
||
if (!tag) {
|
||
beiscsi_log(phba, KERN_ERR,
|
||
BEISCSI_LOG_CONFIG | BEISCSI_LOG_INIT,
|
||
"BG_%d : Getting Boot Target Info Failed\n");
|
||
return -EAGAIN;
|
||
}
|
||
|
||
rc = beiscsi_mccq_compl_wait(phba, tag, &wrb, NULL);
|
||
if (rc) {
|
||
beiscsi_log(phba, KERN_ERR,
|
||
BEISCSI_LOG_INIT | BEISCSI_LOG_CONFIG,
|
||
"BG_%d : MBX CMD get_boot_target Failed\n");
|
||
return -EBUSY;
|
||
}
|
||
|
||
boot_resp = embedded_payload(wrb);
|
||
/* check if there are any boot targets configured */
|
||
if (!boot_resp->boot_session_count) {
|
||
__beiscsi_log(phba, KERN_INFO,
|
||
"BG_%d : No boot targets configured\n");
|
||
return -ENXIO;
|
||
}
|
||
|
||
/* only if FW has logged in to the boot target, s_handle is valid */
|
||
*s_handle = boot_resp->boot_session_handle;
|
||
return 1;
|
||
}
|
||
|
||
/**
|
||
* beiscsi_drvr_ver_disp()- Display the driver Name and Version
|
||
* @dev: ptr to device not used.
|
||
* @attr: device attribute, not used.
|
||
* @buf: contains formatted text driver name and version
|
||
*
|
||
* return
|
||
* size of the formatted string
|
||
**/
|
||
ssize_t
|
||
beiscsi_drvr_ver_disp(struct device *dev, struct device_attribute *attr,
|
||
char *buf)
|
||
{
|
||
return snprintf(buf, PAGE_SIZE, BE_NAME "\n");
|
||
}
|
||
|
||
/**
|
||
* beiscsi_fw_ver_disp()- Display Firmware Version
|
||
* @dev: ptr to device not used.
|
||
* @attr: device attribute, not used.
|
||
* @buf: contains formatted text Firmware version
|
||
*
|
||
* return
|
||
* size of the formatted string
|
||
**/
|
||
ssize_t
|
||
beiscsi_fw_ver_disp(struct device *dev, struct device_attribute *attr,
|
||
char *buf)
|
||
{
|
||
struct Scsi_Host *shost = class_to_shost(dev);
|
||
struct beiscsi_hba *phba = iscsi_host_priv(shost);
|
||
|
||
return snprintf(buf, PAGE_SIZE, "%s\n", phba->fw_ver_str);
|
||
}
|
||
|
||
/**
|
||
* beiscsi_active_session_disp()- Display Sessions Active
|
||
* @dev: ptr to device not used.
|
||
* @attr: device attribute, not used.
|
||
* @buf: contains formatted text Session Count
|
||
*
|
||
* return
|
||
* size of the formatted string
|
||
**/
|
||
ssize_t
|
||
beiscsi_active_session_disp(struct device *dev, struct device_attribute *attr,
|
||
char *buf)
|
||
{
|
||
struct Scsi_Host *shost = class_to_shost(dev);
|
||
struct beiscsi_hba *phba = iscsi_host_priv(shost);
|
||
uint16_t avlbl_cids = 0, ulp_num, len = 0, total_cids = 0;
|
||
|
||
for (ulp_num = 0; ulp_num < BEISCSI_ULP_COUNT; ulp_num++) {
|
||
if (test_bit(ulp_num, (void *)&phba->fw_config.ulp_supported)) {
|
||
avlbl_cids = BEISCSI_ULP_AVLBL_CID(phba, ulp_num);
|
||
total_cids = BEISCSI_GET_CID_COUNT(phba, ulp_num);
|
||
len += snprintf(buf+len, PAGE_SIZE - len,
|
||
"ULP%d : %d\n", ulp_num,
|
||
(total_cids - avlbl_cids));
|
||
} else
|
||
len += snprintf(buf+len, PAGE_SIZE - len,
|
||
"ULP%d : %d\n", ulp_num, 0);
|
||
}
|
||
|
||
return len;
|
||
}
|
||
|
||
/**
|
||
* beiscsi_free_session_disp()- Display Avaliable Session
|
||
* @dev: ptr to device not used.
|
||
* @attr: device attribute, not used.
|
||
* @buf: contains formatted text Session Count
|
||
*
|
||
* return
|
||
* size of the formatted string
|
||
**/
|
||
ssize_t
|
||
beiscsi_free_session_disp(struct device *dev, struct device_attribute *attr,
|
||
char *buf)
|
||
{
|
||
struct Scsi_Host *shost = class_to_shost(dev);
|
||
struct beiscsi_hba *phba = iscsi_host_priv(shost);
|
||
uint16_t ulp_num, len = 0;
|
||
|
||
for (ulp_num = 0; ulp_num < BEISCSI_ULP_COUNT; ulp_num++) {
|
||
if (test_bit(ulp_num, (void *)&phba->fw_config.ulp_supported))
|
||
len += snprintf(buf+len, PAGE_SIZE - len,
|
||
"ULP%d : %d\n", ulp_num,
|
||
BEISCSI_ULP_AVLBL_CID(phba, ulp_num));
|
||
else
|
||
len += snprintf(buf+len, PAGE_SIZE - len,
|
||
"ULP%d : %d\n", ulp_num, 0);
|
||
}
|
||
|
||
return len;
|
||
}
|
||
|
||
/**
|
||
* beiscsi_adap_family_disp()- Display adapter family.
|
||
* @dev: ptr to device to get priv structure
|
||
* @attr: device attribute, not used.
|
||
* @buf: contains formatted text driver name and version
|
||
*
|
||
* return
|
||
* size of the formatted string
|
||
**/
|
||
ssize_t
|
||
beiscsi_adap_family_disp(struct device *dev, struct device_attribute *attr,
|
||
char *buf)
|
||
{
|
||
uint16_t dev_id = 0;
|
||
struct Scsi_Host *shost = class_to_shost(dev);
|
||
struct beiscsi_hba *phba = iscsi_host_priv(shost);
|
||
|
||
dev_id = phba->pcidev->device;
|
||
switch (dev_id) {
|
||
case BE_DEVICE_ID1:
|
||
case OC_DEVICE_ID1:
|
||
case OC_DEVICE_ID2:
|
||
return snprintf(buf, PAGE_SIZE,
|
||
"Obsolete/Unsupported BE2 Adapter Family\n");
|
||
break;
|
||
case BE_DEVICE_ID2:
|
||
case OC_DEVICE_ID3:
|
||
return snprintf(buf, PAGE_SIZE, "BE3-R Adapter Family\n");
|
||
break;
|
||
case OC_SKH_ID1:
|
||
return snprintf(buf, PAGE_SIZE, "Skyhawk-R Adapter Family\n");
|
||
break;
|
||
default:
|
||
return snprintf(buf, PAGE_SIZE,
|
||
"Unknown Adapter Family: 0x%x\n", dev_id);
|
||
break;
|
||
}
|
||
}
|
||
|
||
/**
|
||
* beiscsi_phys_port()- Display Physical Port Identifier
|
||
* @dev: ptr to device not used.
|
||
* @attr: device attribute, not used.
|
||
* @buf: contains formatted text port identifier
|
||
*
|
||
* return
|
||
* size of the formatted string
|
||
**/
|
||
ssize_t
|
||
beiscsi_phys_port_disp(struct device *dev, struct device_attribute *attr,
|
||
char *buf)
|
||
{
|
||
struct Scsi_Host *shost = class_to_shost(dev);
|
||
struct beiscsi_hba *phba = iscsi_host_priv(shost);
|
||
|
||
return snprintf(buf, PAGE_SIZE, "Port Identifier : %u\n",
|
||
phba->fw_config.phys_port);
|
||
}
|
||
|
||
void beiscsi_offload_cxn_v0(struct beiscsi_offload_params *params,
|
||
struct wrb_handle *pwrb_handle,
|
||
struct be_mem_descriptor *mem_descr,
|
||
struct hwi_wrb_context *pwrb_context)
|
||
{
|
||
struct iscsi_wrb *pwrb = pwrb_handle->pwrb;
|
||
|
||
AMAP_SET_BITS(struct amap_iscsi_target_context_update_wrb,
|
||
max_send_data_segment_length, pwrb,
|
||
params->dw[offsetof(struct amap_beiscsi_offload_params,
|
||
max_send_data_segment_length) / 32]);
|
||
AMAP_SET_BITS(struct amap_iscsi_target_context_update_wrb, type, pwrb,
|
||
BE_TGT_CTX_UPDT_CMD);
|
||
AMAP_SET_BITS(struct amap_iscsi_target_context_update_wrb,
|
||
first_burst_length,
|
||
pwrb,
|
||
params->dw[offsetof(struct amap_beiscsi_offload_params,
|
||
first_burst_length) / 32]);
|
||
AMAP_SET_BITS(struct amap_iscsi_target_context_update_wrb, erl, pwrb,
|
||
(params->dw[offsetof(struct amap_beiscsi_offload_params,
|
||
erl) / 32] & OFFLD_PARAMS_ERL));
|
||
AMAP_SET_BITS(struct amap_iscsi_target_context_update_wrb, dde, pwrb,
|
||
(params->dw[offsetof(struct amap_beiscsi_offload_params,
|
||
dde) / 32] & OFFLD_PARAMS_DDE) >> 2);
|
||
AMAP_SET_BITS(struct amap_iscsi_target_context_update_wrb, hde, pwrb,
|
||
(params->dw[offsetof(struct amap_beiscsi_offload_params,
|
||
hde) / 32] & OFFLD_PARAMS_HDE) >> 3);
|
||
AMAP_SET_BITS(struct amap_iscsi_target_context_update_wrb, ir2t, pwrb,
|
||
(params->dw[offsetof(struct amap_beiscsi_offload_params,
|
||
ir2t) / 32] & OFFLD_PARAMS_IR2T) >> 4);
|
||
AMAP_SET_BITS(struct amap_iscsi_target_context_update_wrb, imd, pwrb,
|
||
(params->dw[offsetof(struct amap_beiscsi_offload_params,
|
||
imd) / 32] & OFFLD_PARAMS_IMD) >> 5);
|
||
AMAP_SET_BITS(struct amap_iscsi_target_context_update_wrb, stat_sn,
|
||
pwrb,
|
||
(params->dw[offsetof(struct amap_beiscsi_offload_params,
|
||
exp_statsn) / 32] + 1));
|
||
AMAP_SET_BITS(struct amap_iscsi_target_context_update_wrb, wrb_idx,
|
||
pwrb, pwrb_handle->wrb_index);
|
||
|
||
AMAP_SET_BITS(struct amap_iscsi_target_context_update_wrb,
|
||
max_burst_length, pwrb, params->dw[offsetof
|
||
(struct amap_beiscsi_offload_params,
|
||
max_burst_length) / 32]);
|
||
|
||
AMAP_SET_BITS(struct amap_iscsi_target_context_update_wrb, ptr2nextwrb,
|
||
pwrb, pwrb_handle->wrb_index);
|
||
if (pwrb_context->plast_wrb)
|
||
AMAP_SET_BITS(struct amap_iscsi_target_context_update_wrb,
|
||
ptr2nextwrb,
|
||
pwrb_context->plast_wrb,
|
||
pwrb_handle->wrb_index);
|
||
pwrb_context->plast_wrb = pwrb;
|
||
|
||
AMAP_SET_BITS(struct amap_iscsi_target_context_update_wrb,
|
||
session_state, pwrb, 0);
|
||
AMAP_SET_BITS(struct amap_iscsi_target_context_update_wrb, compltonack,
|
||
pwrb, 1);
|
||
AMAP_SET_BITS(struct amap_iscsi_target_context_update_wrb, notpredblq,
|
||
pwrb, 0);
|
||
AMAP_SET_BITS(struct amap_iscsi_target_context_update_wrb, mode, pwrb,
|
||
0);
|
||
|
||
mem_descr += ISCSI_MEM_GLOBAL_HEADER;
|
||
AMAP_SET_BITS(struct amap_iscsi_target_context_update_wrb,
|
||
pad_buffer_addr_hi, pwrb,
|
||
mem_descr->mem_array[0].bus_address.u.a32.address_hi);
|
||
AMAP_SET_BITS(struct amap_iscsi_target_context_update_wrb,
|
||
pad_buffer_addr_lo, pwrb,
|
||
mem_descr->mem_array[0].bus_address.u.a32.address_lo);
|
||
}
|
||
|
||
void beiscsi_offload_cxn_v2(struct beiscsi_offload_params *params,
|
||
struct wrb_handle *pwrb_handle,
|
||
struct hwi_wrb_context *pwrb_context)
|
||
{
|
||
struct iscsi_wrb *pwrb = pwrb_handle->pwrb;
|
||
|
||
AMAP_SET_BITS(struct amap_iscsi_target_context_update_wrb_v2,
|
||
max_burst_length, pwrb, params->dw[offsetof
|
||
(struct amap_beiscsi_offload_params,
|
||
max_burst_length) / 32]);
|
||
AMAP_SET_BITS(struct amap_iscsi_target_context_update_wrb_v2,
|
||
type, pwrb,
|
||
BE_TGT_CTX_UPDT_CMD);
|
||
AMAP_SET_BITS(struct amap_iscsi_target_context_update_wrb_v2,
|
||
ptr2nextwrb,
|
||
pwrb, pwrb_handle->wrb_index);
|
||
if (pwrb_context->plast_wrb)
|
||
AMAP_SET_BITS(struct amap_iscsi_target_context_update_wrb_v2,
|
||
ptr2nextwrb,
|
||
pwrb_context->plast_wrb,
|
||
pwrb_handle->wrb_index);
|
||
pwrb_context->plast_wrb = pwrb;
|
||
|
||
AMAP_SET_BITS(struct amap_iscsi_target_context_update_wrb_v2, wrb_idx,
|
||
pwrb, pwrb_handle->wrb_index);
|
||
AMAP_SET_BITS(struct amap_iscsi_target_context_update_wrb_v2,
|
||
max_send_data_segment_length, pwrb,
|
||
params->dw[offsetof(struct amap_beiscsi_offload_params,
|
||
max_send_data_segment_length) / 32]);
|
||
AMAP_SET_BITS(struct amap_iscsi_target_context_update_wrb_v2,
|
||
first_burst_length, pwrb,
|
||
params->dw[offsetof(struct amap_beiscsi_offload_params,
|
||
first_burst_length) / 32]);
|
||
AMAP_SET_BITS(struct amap_iscsi_target_context_update_wrb_v2,
|
||
max_recv_dataseg_len, pwrb,
|
||
params->dw[offsetof(struct amap_beiscsi_offload_params,
|
||
max_recv_data_segment_length) / 32]);
|
||
AMAP_SET_BITS(struct amap_iscsi_target_context_update_wrb_v2,
|
||
max_cxns, pwrb, BEISCSI_MAX_CXNS);
|
||
AMAP_SET_BITS(struct amap_iscsi_target_context_update_wrb_v2, erl, pwrb,
|
||
(params->dw[offsetof(struct amap_beiscsi_offload_params,
|
||
erl) / 32] & OFFLD_PARAMS_ERL));
|
||
AMAP_SET_BITS(struct amap_iscsi_target_context_update_wrb_v2, dde, pwrb,
|
||
(params->dw[offsetof(struct amap_beiscsi_offload_params,
|
||
dde) / 32] & OFFLD_PARAMS_DDE) >> 2);
|
||
AMAP_SET_BITS(struct amap_iscsi_target_context_update_wrb_v2, hde, pwrb,
|
||
(params->dw[offsetof(struct amap_beiscsi_offload_params,
|
||
hde) / 32] & OFFLD_PARAMS_HDE) >> 3);
|
||
AMAP_SET_BITS(struct amap_iscsi_target_context_update_wrb_v2,
|
||
ir2t, pwrb,
|
||
(params->dw[offsetof(struct amap_beiscsi_offload_params,
|
||
ir2t) / 32] & OFFLD_PARAMS_IR2T) >> 4);
|
||
AMAP_SET_BITS(struct amap_iscsi_target_context_update_wrb_v2, imd, pwrb,
|
||
(params->dw[offsetof(struct amap_beiscsi_offload_params,
|
||
imd) / 32] & OFFLD_PARAMS_IMD) >> 5);
|
||
AMAP_SET_BITS(struct amap_iscsi_target_context_update_wrb_v2,
|
||
data_seq_inorder,
|
||
pwrb,
|
||
(params->dw[offsetof(struct amap_beiscsi_offload_params,
|
||
data_seq_inorder) / 32] &
|
||
OFFLD_PARAMS_DATA_SEQ_INORDER) >> 6);
|
||
AMAP_SET_BITS(struct amap_iscsi_target_context_update_wrb_v2,
|
||
pdu_seq_inorder,
|
||
pwrb,
|
||
(params->dw[offsetof(struct amap_beiscsi_offload_params,
|
||
pdu_seq_inorder) / 32] &
|
||
OFFLD_PARAMS_PDU_SEQ_INORDER) >> 7);
|
||
AMAP_SET_BITS(struct amap_iscsi_target_context_update_wrb_v2, max_r2t,
|
||
pwrb,
|
||
(params->dw[offsetof(struct amap_beiscsi_offload_params,
|
||
max_r2t) / 32] &
|
||
OFFLD_PARAMS_MAX_R2T) >> 8);
|
||
AMAP_SET_BITS(struct amap_iscsi_target_context_update_wrb_v2, stat_sn,
|
||
pwrb,
|
||
(params->dw[offsetof(struct amap_beiscsi_offload_params,
|
||
exp_statsn) / 32] + 1));
|
||
}
|
||
|
||
unsigned int beiscsi_invalidate_cxn(struct beiscsi_hba *phba,
|
||
struct beiscsi_endpoint *beiscsi_ep)
|
||
{
|
||
struct be_invalidate_connection_params_in *req;
|
||
struct be_ctrl_info *ctrl = &phba->ctrl;
|
||
struct be_mcc_wrb *wrb;
|
||
unsigned int tag = 0;
|
||
|
||
mutex_lock(&ctrl->mbox_lock);
|
||
wrb = alloc_mcc_wrb(phba, &tag);
|
||
if (!wrb) {
|
||
mutex_unlock(&ctrl->mbox_lock);
|
||
return 0;
|
||
}
|
||
|
||
req = embedded_payload(wrb);
|
||
be_wrb_hdr_prepare(wrb, sizeof(union be_invalidate_connection_params),
|
||
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 = beiscsi_ep->ep_cid;
|
||
if (beiscsi_ep->conn)
|
||
req->cleanup_type = BE_CLEANUP_TYPE_INVALIDATE;
|
||
else
|
||
req->cleanup_type = BE_CLEANUP_TYPE_ISSUE_TCP_RST;
|
||
/**
|
||
* 0 - non-persistent targets
|
||
* 1 - save session info on flash
|
||
*/
|
||
req->save_cfg = 0;
|
||
be_mcc_notify(phba, tag);
|
||
mutex_unlock(&ctrl->mbox_lock);
|
||
return tag;
|
||
}
|
||
|
||
unsigned int beiscsi_upload_cxn(struct beiscsi_hba *phba,
|
||
struct beiscsi_endpoint *beiscsi_ep)
|
||
{
|
||
struct be_ctrl_info *ctrl = &phba->ctrl;
|
||
struct be_mcc_wrb *wrb;
|
||
struct be_tcp_upload_params_in *req;
|
||
unsigned int tag;
|
||
|
||
mutex_lock(&ctrl->mbox_lock);
|
||
wrb = alloc_mcc_wrb(phba, &tag);
|
||
if (!wrb) {
|
||
mutex_unlock(&ctrl->mbox_lock);
|
||
return 0;
|
||
}
|
||
|
||
req = embedded_payload(wrb);
|
||
be_wrb_hdr_prepare(wrb, sizeof(union be_tcp_upload_params), true, 0);
|
||
be_cmd_hdr_prepare(&req->hdr, CMD_COMMON_TCP_UPLOAD,
|
||
OPCODE_COMMON_TCP_UPLOAD, sizeof(*req));
|
||
req->id = beiscsi_ep->ep_cid;
|
||
if (beiscsi_ep->conn)
|
||
req->upload_type = BE_UPLOAD_TYPE_GRACEFUL;
|
||
else
|
||
req->upload_type = BE_UPLOAD_TYPE_ABORT;
|
||
be_mcc_notify(phba, tag);
|
||
mutex_unlock(&ctrl->mbox_lock);
|
||
return tag;
|
||
}
|
||
|
||
int beiscsi_mgmt_invalidate_icds(struct beiscsi_hba *phba,
|
||
struct invldt_cmd_tbl *inv_tbl,
|
||
unsigned int nents)
|
||
{
|
||
struct be_ctrl_info *ctrl = &phba->ctrl;
|
||
struct invldt_cmds_params_in *req;
|
||
struct be_dma_mem nonemb_cmd;
|
||
struct be_mcc_wrb *wrb;
|
||
unsigned int i, tag;
|
||
struct be_sge *sge;
|
||
int rc;
|
||
|
||
if (!nents || nents > BE_INVLDT_CMD_TBL_SZ)
|
||
return -EINVAL;
|
||
|
||
nonemb_cmd.size = sizeof(union be_invldt_cmds_params);
|
||
nonemb_cmd.va = pci_zalloc_consistent(phba->ctrl.pdev,
|
||
nonemb_cmd.size,
|
||
&nonemb_cmd.dma);
|
||
if (!nonemb_cmd.va) {
|
||
beiscsi_log(phba, KERN_ERR, BEISCSI_LOG_EH,
|
||
"BM_%d : invldt_cmds_params alloc failed\n");
|
||
return -ENOMEM;
|
||
}
|
||
|
||
mutex_lock(&ctrl->mbox_lock);
|
||
wrb = alloc_mcc_wrb(phba, &tag);
|
||
if (!wrb) {
|
||
mutex_unlock(&ctrl->mbox_lock);
|
||
pci_free_consistent(phba->ctrl.pdev, nonemb_cmd.size,
|
||
nonemb_cmd.va, nonemb_cmd.dma);
|
||
return -ENOMEM;
|
||
}
|
||
|
||
req = nonemb_cmd.va;
|
||
be_wrb_hdr_prepare(wrb, nonemb_cmd.size, 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 < nents; i++) {
|
||
req->table[i].icd = inv_tbl[i].icd;
|
||
req->table[i].cid = inv_tbl[i].cid;
|
||
req->icd_count++;
|
||
}
|
||
sge = nonembedded_sgl(wrb);
|
||
sge->pa_hi = cpu_to_le32(upper_32_bits(nonemb_cmd.dma));
|
||
sge->pa_lo = cpu_to_le32(lower_32_bits(nonemb_cmd.dma));
|
||
sge->len = cpu_to_le32(nonemb_cmd.size);
|
||
|
||
be_mcc_notify(phba, tag);
|
||
mutex_unlock(&ctrl->mbox_lock);
|
||
|
||
rc = beiscsi_mccq_compl_wait(phba, tag, NULL, &nonemb_cmd);
|
||
if (rc != -EBUSY)
|
||
pci_free_consistent(phba->ctrl.pdev, nonemb_cmd.size,
|
||
nonemb_cmd.va, nonemb_cmd.dma);
|
||
return rc;
|
||
}
|