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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
commit2c3c1048746a4622d8c89a29670120dc8fab93c4 (patch)
tree848558de17fb3008cdf4d861b01ac7781903ce39 /drivers/scsi/be2iscsi/be_mgmt.c
parentInitial commit. (diff)
downloadlinux-upstream.tar.xz
linux-upstream.zip
Adding upstream version 6.1.76.upstream/6.1.76upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/scsi/be2iscsi/be_mgmt.c')
-rw-r--r--drivers/scsi/be2iscsi/be_mgmt.c1559
1 files changed, 1559 insertions, 0 deletions
diff --git a/drivers/scsi/be2iscsi/be_mgmt.c b/drivers/scsi/be2iscsi/be_mgmt.c
new file mode 100644
index 000000000..4e899ec14
--- /dev/null
+++ b/drivers/scsi/be2iscsi/be_mgmt.c
@@ -0,0 +1,1559 @@
+/*
+ * This file is part of the Emulex Linux Device Driver for Enterprise iSCSI
+ * Host Bus Adapters. Refer to the README file included with this package
+ * for driver version and adapter compatibility.
+ *
+ * Copyright (c) 2018 Broadcom. All Rights Reserved.
+ * The term “Broadcom” refers to Broadcom Inc. and/or its subsidiaries.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of version 2 of the GNU General Public License as published
+ * by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful. ALL EXPRESS
+ * OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES, INCLUDING ANY
+ * IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE,
+ * OR NON-INFRINGEMENT, ARE DISCLAIMED, EXCEPT TO THE EXTENT THAT SUCH
+ * DISCLAIMERS ARE HELD TO BE LEGALLY INVALID.
+ * See the GNU General Public License for more details, a copy of which
+ * can be found in the file COPYING included with this package.
+ *
+ * Contact Information:
+ * linux-drivers@broadcom.com
+ *
+ */
+
+#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"
+#include "be_main.h"
+
+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_mcc_wrb *wrb;
+ struct be_sge *mcc_sge;
+ 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);
+ 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;
+
+ if (mutex_lock_interruptible(&ctrl->mbox_lock))
+ return 0;
+ 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]);
+
+ mutex_unlock(&ctrl->mbox_lock);
+ return -EPERM;
+ }
+
+ wrb = alloc_mcc_wrb(phba, &tag);
+ if (!wrb) {
+ mutex_unlock(&ctrl->mbox_lock);
+ return 0;
+ }
+
+ mcc_sge = nonembedded_sgl(wrb);
+ 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);
+
+ be_mcc_notify(phba, tag);
+
+ mutex_unlock(&ctrl->mbox_lock);
+ return tag;
+}
+
+/**
+ * mgmt_open_connection()- Establish a TCP CXN
+ * @phba: driver priv structure
+ * @dst_addr: Destination Address
+ * @beiscsi_ep: ptr to device endpoint struct
+ * @nonemb_cmd: ptr to memory allocated for command
+ *
+ * return
+ * Success: Tag number of the MBX Command issued
+ * Failure: Error code
+ **/
+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_v1 *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, ulp_num;
+ unsigned short cid = beiscsi_ep->ep_cid;
+ struct be_sge *sge;
+
+ if (dst_addr->sa_family != PF_INET && dst_addr->sa_family != PF_INET6) {
+ beiscsi_log(phba, KERN_ERR, BEISCSI_LOG_CONFIG,
+ "BG_%d : unknown addr family %d\n",
+ dst_addr->sa_family);
+ return 0;
+ }
+
+ phwi_ctrlr = phba->phwi_ctrlr;
+ phwi_context = phwi_ctrlr->phwi_ctxt;
+
+ ulp_num = phwi_ctrlr->wrb_context[BE_GET_CRI_FROM_CID(cid)].ulp_num;
+
+ def_hdr_id = (unsigned short)HWI_GET_DEF_HDRQ_ID(phba, ulp_num);
+ def_data_id = (unsigned short)HWI_GET_DEF_BUFQ_ID(phba, ulp_num);
+
+ ptemplate_address = &template_address;
+ ISCSI_GET_PDU_TEMPLATE_ADDRESS(phba, ptemplate_address);
+ if (mutex_lock_interruptible(&ctrl->mbox_lock))
+ return 0;
+ wrb = alloc_mcc_wrb(phba, &tag);
+ if (!wrb) {
+ mutex_unlock(&ctrl->mbox_lock);
+ return 0;
+ }
+
+ sge = nonembedded_sgl(wrb);
+ req = nonemb_cmd->va;
+ memset(req, 0, sizeof(*req));
+
+ be_wrb_hdr_prepare(wrb, nonemb_cmd->size, false, 1);
+ be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ISCSI,
+ OPCODE_COMMON_ISCSI_TCP_CONNECT_AND_OFFLOAD,
+ nonemb_cmd->size);
+ if (dst_addr->sa_family == PF_INET) {
+ __be32 s_addr = daddr_in->sin_addr.s_addr;
+ req->ip_address.ip_type = BEISCSI_IP_TYPE_V4;
+ 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 = BEISCSI_IP_TYPE_V4;
+ } else {
+ /* else its PF_INET6 family */
+ req->ip_address.ip_type = BEISCSI_IP_TYPE_V6;
+ 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 = BEISCSI_IP_TYPE_V6;
+ }
+ 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);
+
+ if (!is_chip_be2_be3r(phba)) {
+ req->hdr.version = MBX_CMD_VER1;
+ req->tcp_window_size = 0x8000;
+ req->tcp_window_scale_count = 2;
+ }
+
+ be_mcc_notify(phba, tag);
+ mutex_unlock(&ctrl->mbox_lock);
+ return tag;
+}
+
+/**
+ * beiscsi_exec_nemb_cmd()- execute non-embedded MBX cmd
+ * @phba: driver priv structure
+ * @nonemb_cmd: DMA address of the MBX command to be issued
+ * @cbfn: callback func on MCC completion
+ * @resp_buf: buffer to copy the MBX cmd response
+ * @resp_buf_len: response length to be copied
+ *
+ **/
+static int beiscsi_exec_nemb_cmd(struct beiscsi_hba *phba,
+ struct be_dma_mem *nonemb_cmd,
+ void (*cbfn)(struct beiscsi_hba *,
+ unsigned int),
+ void *resp_buf, u32 resp_buf_len)
+{
+ struct be_ctrl_info *ctrl = &phba->ctrl;
+ struct be_mcc_wrb *wrb;
+ struct be_sge *sge;
+ unsigned int tag;
+ int rc = 0;
+
+ mutex_lock(&ctrl->mbox_lock);
+ wrb = alloc_mcc_wrb(phba, &tag);
+ if (!wrb) {
+ mutex_unlock(&ctrl->mbox_lock);
+ return -ENOMEM;
+ }
+
+ 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(lower_32_bits(nonemb_cmd->dma));
+ sge->len = cpu_to_le32(nonemb_cmd->size);
+
+ if (cbfn) {
+ struct be_dma_mem *tag_mem;
+
+ set_bit(MCC_TAG_STATE_ASYNC, &ctrl->ptag_state[tag].tag_state);
+ ctrl->ptag_state[tag].cbfn = cbfn;
+ tag_mem = &phba->ctrl.ptag_state[tag].tag_mem_state;
+
+ /* store DMA mem to be freed in callback */
+ tag_mem->size = nonemb_cmd->size;
+ tag_mem->va = nonemb_cmd->va;
+ tag_mem->dma = nonemb_cmd->dma;
+ }
+ be_mcc_notify(phba, tag);
+ mutex_unlock(&ctrl->mbox_lock);
+
+ /* with cbfn set, its async cmd, don't wait */
+ if (cbfn)
+ return 0;
+
+ rc = beiscsi_mccq_compl_wait(phba, tag, NULL, nonemb_cmd);
+
+ /* copy the response, if any */
+ if (resp_buf)
+ memcpy(resp_buf, nonemb_cmd->va, resp_buf_len);
+ return rc;
+}
+
+static int beiscsi_prep_nemb_cmd(struct beiscsi_hba *phba,
+ struct be_dma_mem *cmd,
+ u8 subsystem, u8 opcode, u32 size)
+{
+ cmd->va = dma_alloc_coherent(&phba->ctrl.pdev->dev, size, &cmd->dma,
+ GFP_KERNEL);
+ if (!cmd->va) {
+ beiscsi_log(phba, KERN_ERR, BEISCSI_LOG_CONFIG,
+ "BG_%d : Failed to allocate memory for if info\n");
+ return -ENOMEM;
+ }
+ cmd->size = size;
+ be_cmd_hdr_prepare(cmd->va, subsystem, opcode, size);
+ beiscsi_log(phba, KERN_INFO, BEISCSI_LOG_CONFIG,
+ "BG_%d : subsystem %u cmd %u size %u\n",
+ subsystem, opcode, size);
+ return 0;
+}
+
+static void beiscsi_free_nemb_cmd(struct beiscsi_hba *phba,
+ struct be_dma_mem *cmd, int rc)
+{
+ /*
+ * If FW is busy the DMA buffer is saved with the tag. When the cmd
+ * completes this buffer is freed.
+ */
+ if (rc == -EBUSY)
+ return;
+
+ dma_free_coherent(&phba->ctrl.pdev->dev, cmd->size, cmd->va, cmd->dma);
+}
+
+static void __beiscsi_eq_delay_compl(struct beiscsi_hba *phba, unsigned int tag)
+{
+ struct be_dma_mem *tag_mem;
+
+ /* status is ignored */
+ __beiscsi_mcc_compl_status(phba, tag, NULL, NULL);
+ tag_mem = &phba->ctrl.ptag_state[tag].tag_mem_state;
+ if (tag_mem->size) {
+ dma_free_coherent(&phba->pcidev->dev, tag_mem->size,
+ tag_mem->va, tag_mem->dma);
+ tag_mem->size = 0;
+ }
+}
+
+int beiscsi_modify_eq_delay(struct beiscsi_hba *phba,
+ struct be_set_eqd *set_eqd, int num)
+{
+ struct be_cmd_req_modify_eq_delay *req;
+ struct be_dma_mem nonemb_cmd;
+ int i, rc;
+
+ rc = beiscsi_prep_nemb_cmd(phba, &nonemb_cmd, CMD_SUBSYSTEM_COMMON,
+ OPCODE_COMMON_MODIFY_EQ_DELAY, sizeof(*req));
+ if (rc)
+ return rc;
+
+ req = nonemb_cmd.va;
+ req->num_eq = cpu_to_le32(num);
+ for (i = 0; i < num; i++) {
+ req->delay[i].eq_id = cpu_to_le32(set_eqd[i].eq_id);
+ req->delay[i].phase = 0;
+ req->delay[i].delay_multiplier =
+ cpu_to_le32(set_eqd[i].delay_multiplier);
+ }
+
+ rc = beiscsi_exec_nemb_cmd(phba, &nonemb_cmd, __beiscsi_eq_delay_compl,
+ NULL, 0);
+ if (rc) {
+ /*
+ * Only free on failure. Async cmds are handled like -EBUSY
+ * where it's handled for us.
+ */
+ beiscsi_free_nemb_cmd(phba, &nonemb_cmd, rc);
+ }
+ return rc;
+}
+
+/**
+ * beiscsi_get_initiator_name - read initiator name from flash
+ * @phba: device priv structure
+ * @name: buffer pointer
+ * @cfg: fetch user configured
+ *
+ */
+int beiscsi_get_initiator_name(struct beiscsi_hba *phba, char *name, bool cfg)
+{
+ struct be_dma_mem nonemb_cmd;
+ struct be_cmd_hba_name resp;
+ struct be_cmd_hba_name *req;
+ int rc;
+
+ rc = beiscsi_prep_nemb_cmd(phba, &nonemb_cmd, CMD_SUBSYSTEM_ISCSI_INI,
+ OPCODE_ISCSI_INI_CFG_GET_HBA_NAME, sizeof(resp));
+ if (rc)
+ return rc;
+
+ req = nonemb_cmd.va;
+ if (cfg)
+ req->hdr.version = 1;
+ rc = beiscsi_exec_nemb_cmd(phba, &nonemb_cmd, NULL,
+ &resp, sizeof(resp));
+ beiscsi_free_nemb_cmd(phba, &nonemb_cmd, rc);
+ if (rc) {
+ beiscsi_log(phba, KERN_ERR,
+ BEISCSI_LOG_CONFIG | BEISCSI_LOG_MBOX,
+ "BS_%d : Initiator Name MBX Failed\n");
+ return rc;
+ }
+ rc = sprintf(name, "%s\n", resp.initiator_name);
+ return rc;
+}
+
+unsigned int beiscsi_if_get_handle(struct beiscsi_hba *phba)
+{
+ struct be_ctrl_info *ctrl = &phba->ctrl;
+ struct be_mcc_wrb *wrb;
+ struct be_cmd_get_all_if_id_req *req;
+ struct be_cmd_get_all_if_id_req *pbe_allid;
+ unsigned int tag;
+ int status = 0;
+
+ if (mutex_lock_interruptible(&ctrl->mbox_lock))
+ return -EINTR;
+ wrb = alloc_mcc_wrb(phba, &tag);
+ if (!wrb) {
+ mutex_unlock(&ctrl->mbox_lock);
+ return -ENOMEM;
+ }
+
+ req = embedded_payload(wrb);
+ 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));
+ be_mcc_notify(phba, tag);
+ mutex_unlock(&ctrl->mbox_lock);
+
+ status = beiscsi_mccq_compl_wait(phba, tag, &wrb, NULL);
+ if (status) {
+ beiscsi_log(phba, KERN_WARNING, BEISCSI_LOG_CONFIG,
+ "BG_%d : %s failed: %d\n", __func__, status);
+ return -EBUSY;
+ }
+
+ pbe_allid = embedded_payload(wrb);
+ /* we now support only one interface per function */
+ phba->interface_handle = pbe_allid->if_hndl_list[0];
+
+ return status;
+}
+
+static inline bool beiscsi_if_zero_ip(u8 *ip, u32 ip_type)
+{
+ u32 len;
+
+ len = (ip_type < BEISCSI_IP_TYPE_V6) ? IP_V4_LEN : IP_V6_LEN;
+ while (len && !ip[len - 1])
+ len--;
+ return (len == 0);
+}
+
+static int beiscsi_if_mod_gw(struct beiscsi_hba *phba,
+ u32 action, u32 ip_type, u8 *gw)
+{
+ struct be_cmd_set_def_gateway_req *req;
+ struct be_dma_mem nonemb_cmd;
+ int rt_val;
+
+ rt_val = beiscsi_prep_nemb_cmd(phba, &nonemb_cmd, CMD_SUBSYSTEM_ISCSI,
+ OPCODE_COMMON_ISCSI_NTWK_MODIFY_DEFAULT_GATEWAY,
+ sizeof(*req));
+ if (rt_val)
+ return rt_val;
+
+ req = nonemb_cmd.va;
+ req->action = action;
+ req->ip_addr.ip_type = ip_type;
+ memcpy(req->ip_addr.addr, gw,
+ (ip_type < BEISCSI_IP_TYPE_V6) ? IP_V4_LEN : IP_V6_LEN);
+ rt_val = beiscsi_exec_nemb_cmd(phba, &nonemb_cmd, NULL, NULL, 0);
+ beiscsi_free_nemb_cmd(phba, &nonemb_cmd, rt_val);
+ return rt_val;
+}
+
+int beiscsi_if_set_gw(struct beiscsi_hba *phba, u32 ip_type, u8 *gw)
+{
+ struct be_cmd_get_def_gateway_resp gw_resp;
+ int rt_val;
+
+ memset(&gw_resp, 0, sizeof(gw_resp));
+ rt_val = beiscsi_if_get_gw(phba, ip_type, &gw_resp);
+ if (rt_val) {
+ beiscsi_log(phba, KERN_WARNING, BEISCSI_LOG_CONFIG,
+ "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,
+ 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 = beiscsi_prep_nemb_cmd(phba, &nonemb_cmd, CMD_SUBSYSTEM_ISCSI,
+ OPCODE_COMMON_ISCSI_NTWK_GET_DEFAULT_GATEWAY,
+ sizeof(*resp));
+ if (rc)
+ return rc;
+
+ req = nonemb_cmd.va;
+ req->ip_type = ip_type;
+
+ rc = beiscsi_exec_nemb_cmd(phba, &nonemb_cmd, NULL, resp,
+ sizeof(*resp));
+ beiscsi_free_nemb_cmd(phba, &nonemb_cmd, rc);
+ return rc;
+}
+
+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 = beiscsi_prep_nemb_cmd(phba, &nonemb_cmd, CMD_SUBSYSTEM_ISCSI,
+ 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 = beiscsi_exec_nemb_cmd(phba, &nonemb_cmd, NULL, 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);
+ }
+ beiscsi_free_nemb_cmd(phba, &nonemb_cmd, rc);
+ 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 = beiscsi_prep_nemb_cmd(phba, &nonemb_cmd, CMD_SUBSYSTEM_ISCSI,
+ 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 = beiscsi_exec_nemb_cmd(phba, &nonemb_cmd, NULL, 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;
+ }
+ beiscsi_free_nemb_cmd(phba, &nonemb_cmd, rc);
+ 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 = beiscsi_prep_nemb_cmd(phba, &nonemb_cmd,
+ CMD_SUBSYSTEM_ISCSI,
+ 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 = beiscsi_exec_nemb_cmd(phba, &nonemb_cmd, NULL, NULL, 0);
+ beiscsi_free_nemb_cmd(phba, &nonemb_cmd, rc);
+ 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 = beiscsi_prep_nemb_cmd(phba, &nonemb_cmd, CMD_SUBSYSTEM_ISCSI,
+ 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 = beiscsi_exec_nemb_cmd(phba, &nonemb_cmd, NULL, NULL, 0);
+ beiscsi_free_nemb_cmd(phba, &nonemb_cmd, rc);
+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 = beiscsi_prep_nemb_cmd(phba, &nonemb_cmd,
+ CMD_SUBSYSTEM_ISCSI,
+ 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");
+
+ beiscsi_free_nemb_cmd(phba, &nonemb_cmd,
+ -ENOMEM);
+ return -ENOMEM;
+ }
+
+ rc = beiscsi_exec_nemb_cmd(phba, &nonemb_cmd, NULL, *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);
+
+ beiscsi_free_nemb_cmd(phba, &nonemb_cmd, rc);
+ /* Free the virtual memory */
+ kfree(*if_info);
+ } else {
+ beiscsi_free_nemb_cmd(phba, &nonemb_cmd, rc);
+ 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 = beiscsi_prep_nemb_cmd(phba, &nonemb_cmd, CMD_SUBSYSTEM_ISCSI,
+ OPCODE_COMMON_ISCSI_NTWK_GET_NIC_CONFIG,
+ sizeof(*nic));
+ if (rc)
+ return rc;
+
+ rc = beiscsi_exec_nemb_cmd(phba, &nonemb_cmd, NULL, nic, sizeof(*nic));
+ beiscsi_free_nemb_cmd(phba, &nonemb_cmd, rc);
+ return rc;
+}
+
+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;
+ }
+ dma_free_coherent(&phba->ctrl.pdev->dev, 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 = dma_alloc_coherent(&phba->ctrl.pdev->dev,
+ nonemb_cmd->size,
+ &nonemb_cmd->dma,
+ GFP_KERNEL);
+ 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 += scnprintf(buf+len, PAGE_SIZE - len,
+ "ULP%d : %d\n", ulp_num,
+ (total_cids - avlbl_cids));
+ } else
+ len += scnprintf(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 += scnprintf(buf+len, PAGE_SIZE - len,
+ "ULP%d : %d\n", ulp_num,
+ BEISCSI_ULP_AVLBL_CID(phba, ulp_num));
+ else
+ len += scnprintf(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");
+ case BE_DEVICE_ID2:
+ case OC_DEVICE_ID3:
+ return snprintf(buf, PAGE_SIZE, "BE3-R Adapter Family\n");
+ case OC_SKH_ID1:
+ return snprintf(buf, PAGE_SIZE, "Skyhawk-R Adapter Family\n");
+ default:
+ return snprintf(buf, PAGE_SIZE,
+ "Unknown Adapter Family: 0x%x\n", dev_id);
+ }
+}
+
+/**
+ * beiscsi_phys_port_disp()- 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 = dma_alloc_coherent(&phba->ctrl.pdev->dev,
+ nonemb_cmd.size, &nonemb_cmd.dma,
+ GFP_KERNEL);
+ 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);
+ dma_free_coherent(&phba->ctrl.pdev->dev, 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)
+ dma_free_coherent(&phba->ctrl.pdev->dev, nonemb_cmd.size,
+ nonemb_cmd.va, nonemb_cmd.dma);
+ return rc;
+}