--- /dev/null
+/**
+ * Copyright (C) 2005 - 2015 Avago Technologies
+ * All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License version 2
+ * as published by the Free Software Foundation. The full GNU General
+ * Public License is included in this distribution in the file called COPYING.
+ *
+ * Written by: Jayamohan Kallickal (jayamohan.kallickal@avagotech.com)
+ *
+ * Contact Information:
+ * linux-drivers@avagotech.com
+ *
+ * Avago Technologies
+ * 3333 Susan Street
+ * Costa Mesa, CA 92626
+ */
+
+#include <linux/bsg-lib.h>
+#include <scsi/scsi_transport_iscsi.h>
+#include <scsi/scsi_bsg_iscsi.h>
+#include "be_mgmt.h"
+#include "be_iscsi.h"
+#include "be_main.h"
+
+/* UE Status Low CSR */
+static const char * const desc_ue_status_low[] = {
+ "CEV",
+ "CTX",
+ "DBUF",
+ "ERX",
+ "Host",
+ "MPU",
+ "NDMA",
+ "PTC ",
+ "RDMA ",
+ "RXF ",
+ "RXIPS ",
+ "RXULP0 ",
+ "RXULP1 ",
+ "RXULP2 ",
+ "TIM ",
+ "TPOST ",
+ "TPRE ",
+ "TXIPS ",
+ "TXULP0 ",
+ "TXULP1 ",
+ "UC ",
+ "WDMA ",
+ "TXULP2 ",
+ "HOST1 ",
+ "P0_OB_LINK ",
+ "P1_OB_LINK ",
+ "HOST_GPIO ",
+ "MBOX ",
+ "AXGMAC0",
+ "AXGMAC1",
+ "JTAG",
+ "MPU_INTPEND"
+};
+
+/* UE Status High CSR */
+static const char * const desc_ue_status_hi[] = {
+ "LPCMEMHOST",
+ "MGMT_MAC",
+ "PCS0ONLINE",
+ "MPU_IRAM",
+ "PCS1ONLINE",
+ "PCTL0",
+ "PCTL1",
+ "PMEM",
+ "RR",
+ "TXPB",
+ "RXPP",
+ "XAUI",
+ "TXP",
+ "ARM",
+ "IPC",
+ "HOST2",
+ "HOST3",
+ "HOST4",
+ "HOST5",
+ "HOST6",
+ "HOST7",
+ "HOST8",
+ "HOST9",
+ "NETC",
+ "Unknown",
+ "Unknown",
+ "Unknown",
+ "Unknown",
+ "Unknown",
+ "Unknown",
+ "Unknown",
+ "Unknown"
+};
+
+/*
+ * beiscsi_ue_detec()- Detect Unrecoverable Error on adapter
+ * @phba: Driver priv structure
+ *
+ * Read registers linked to UE and check for the UE status
+ **/
+void beiscsi_ue_detect(struct beiscsi_hba *phba)
+{
+ uint32_t ue_hi = 0, ue_lo = 0;
+ uint32_t ue_mask_hi = 0, ue_mask_lo = 0;
+ uint8_t i = 0;
+
+ if (phba->ue_detected)
+ return;
+
+ pci_read_config_dword(phba->pcidev,
+ PCICFG_UE_STATUS_LOW, &ue_lo);
+ pci_read_config_dword(phba->pcidev,
+ PCICFG_UE_STATUS_MASK_LOW,
+ &ue_mask_lo);
+ pci_read_config_dword(phba->pcidev,
+ PCICFG_UE_STATUS_HIGH,
+ &ue_hi);
+ pci_read_config_dword(phba->pcidev,
+ PCICFG_UE_STATUS_MASK_HI,
+ &ue_mask_hi);
+
+ ue_lo = (ue_lo & ~ue_mask_lo);
+ ue_hi = (ue_hi & ~ue_mask_hi);
+
+
+ if (ue_lo || ue_hi) {
+ phba->ue_detected = true;
+ beiscsi_log(phba, KERN_ERR,
+ BEISCSI_LOG_CONFIG | BEISCSI_LOG_MBOX,
+ "BG_%d : Error detected on the adapter\n");
+ }
+
+ if (ue_lo) {
+ for (i = 0; ue_lo; ue_lo >>= 1, i++) {
+ if (ue_lo & 1)
+ beiscsi_log(phba, KERN_ERR,
+ BEISCSI_LOG_CONFIG,
+ "BG_%d : UE_LOW %s bit set\n",
+ desc_ue_status_low[i]);
+ }
+ }
+
+ if (ue_hi) {
+ for (i = 0; ue_hi; ue_hi >>= 1, i++) {
+ if (ue_hi & 1)
+ beiscsi_log(phba, KERN_ERR,
+ BEISCSI_LOG_CONFIG,
+ "BG_%d : UE_HIGH %s bit set\n",
+ desc_ue_status_hi[i]);
+ }
+ }
+}
+
+int be_cmd_modify_eq_delay(struct beiscsi_hba *phba,
+ struct be_set_eqd *set_eqd, int num)
+{
+ struct be_ctrl_info *ctrl = &phba->ctrl;
+ struct be_mcc_wrb *wrb;
+ struct be_cmd_req_modify_eq_delay *req;
+ unsigned int tag = 0;
+ int i;
+
+ spin_lock(&ctrl->mbox_lock);
+ tag = alloc_mcc_tag(phba);
+ if (!tag) {
+ spin_unlock(&ctrl->mbox_lock);
+ return tag;
+ }
+
+ wrb = wrb_from_mccq(phba);
+ req = embedded_payload(wrb);
+
+ wrb->tag0 |= tag;
+ be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
+ be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
+ OPCODE_COMMON_MODIFY_EQ_DELAY, sizeof(*req));
+
+ 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);
+ }
+
+ be_mcc_notify(phba);
+ spin_unlock(&ctrl->mbox_lock);
+ return tag;
+}
+
+/**
+ * mgmt_reopen_session()- Reopen a session based on reopen_type
+ * @phba: Device priv structure instance
+ * @reopen_type: Type of reopen_session FW should do.
+ * @sess_handle: Session Handle of the session to be re-opened
+ *
+ * return
+ * the TAG used for MBOX Command
+ *
+ **/
+unsigned int mgmt_reopen_session(struct beiscsi_hba *phba,
+ unsigned int reopen_type,
+ unsigned int sess_handle)
+{
+ struct be_ctrl_info *ctrl = &phba->ctrl;
+ struct be_mcc_wrb *wrb;
+ struct be_cmd_reopen_session_req *req;
+ unsigned int tag = 0;
+
+ beiscsi_log(phba, KERN_INFO,
+ BEISCSI_LOG_CONFIG | BEISCSI_LOG_MBOX,
+ "BG_%d : In bescsi_get_boot_target\n");
+
+ spin_lock(&ctrl->mbox_lock);
+ tag = alloc_mcc_tag(phba);
+ if (!tag) {
+ spin_unlock(&ctrl->mbox_lock);
+ return tag;
+ }
+
+ wrb = wrb_from_mccq(phba);
+ req = embedded_payload(wrb);
+ wrb->tag0 |= tag;
+ be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
+ be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ISCSI_INI,
+ OPCODE_ISCSI_INI_DRIVER_REOPEN_ALL_SESSIONS,
+ sizeof(struct be_cmd_reopen_session_resp));
+
+ /* set the reopen_type,sess_handle */
+ req->reopen_type = reopen_type;
+ req->session_handle = sess_handle;
+
+ be_mcc_notify(phba);
+ spin_unlock(&ctrl->mbox_lock);
+ return tag;
+}
+
+unsigned int mgmt_get_boot_target(struct beiscsi_hba *phba)
+{
+ struct be_ctrl_info *ctrl = &phba->ctrl;
+ struct be_mcc_wrb *wrb;
+ struct be_cmd_get_boot_target_req *req;
+ unsigned int tag = 0;
+
+ beiscsi_log(phba, KERN_INFO,
+ BEISCSI_LOG_CONFIG | BEISCSI_LOG_MBOX,
+ "BG_%d : In bescsi_get_boot_target\n");
+
+ spin_lock(&ctrl->mbox_lock);
+ tag = alloc_mcc_tag(phba);
+ if (!tag) {
+ spin_unlock(&ctrl->mbox_lock);
+ return tag;
+ }
+
+ wrb = wrb_from_mccq(phba);
+ req = embedded_payload(wrb);
+ wrb->tag0 |= tag;
+ be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
+ be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ISCSI_INI,
+ OPCODE_ISCSI_INI_BOOT_GET_BOOT_TARGET,
+ sizeof(struct be_cmd_get_boot_target_resp));
+
+ be_mcc_notify(phba);
+ spin_unlock(&ctrl->mbox_lock);
+ return tag;
+}
+
+unsigned int mgmt_get_session_info(struct beiscsi_hba *phba,
+ u32 boot_session_handle,
+ struct be_dma_mem *nonemb_cmd)
+{
+ struct be_ctrl_info *ctrl = &phba->ctrl;
+ struct be_mcc_wrb *wrb;
+ unsigned int tag = 0;
+ struct be_cmd_get_session_req *req;
+ struct be_cmd_get_session_resp *resp;
+ struct be_sge *sge;
+
+ beiscsi_log(phba, KERN_INFO,
+ BEISCSI_LOG_CONFIG | BEISCSI_LOG_MBOX,
+ "BG_%d : In beiscsi_get_session_info\n");
+
+ spin_lock(&ctrl->mbox_lock);
+ tag = alloc_mcc_tag(phba);
+ if (!tag) {
+ spin_unlock(&ctrl->mbox_lock);
+ return tag;
+ }
+
+ nonemb_cmd->size = sizeof(*resp);
+ req = nonemb_cmd->va;
+ memset(req, 0, sizeof(*req));
+ wrb = wrb_from_mccq(phba);
+ sge = nonembedded_sgl(wrb);
+ wrb->tag0 |= tag;
+
+
+ wrb->tag0 |= tag;
+ be_wrb_hdr_prepare(wrb, sizeof(*req), false, 1);
+ be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ISCSI_INI,
+ OPCODE_ISCSI_INI_SESSION_GET_A_SESSION,
+ sizeof(*resp));
+ req->session_handle = boot_session_handle;
+ sge->pa_hi = cpu_to_le32(upper_32_bits(nonemb_cmd->dma));
+ sge->pa_lo = cpu_to_le32(nonemb_cmd->dma & 0xFFFFFFFF);
+ sge->len = cpu_to_le32(nonemb_cmd->size);
+
+ be_mcc_notify(phba);
+ spin_unlock(&ctrl->mbox_lock);
+ return tag;
+}
+
+/**
+ * mgmt_get_fw_config()- Get the FW config for the function
+ * @ctrl: ptr to Ctrl Info
+ * @phba: ptr to the dev priv structure
+ *
+ * Get the FW config and resources available for the function.
+ * The resources are created based on the count received here.
+ *
+ * return
+ * Success: 0
+ * Failure: Non-Zero Value
+ **/
+int mgmt_get_fw_config(struct be_ctrl_info *ctrl,
+ struct beiscsi_hba *phba)
+{
+ struct be_mcc_wrb *wrb = wrb_from_mbox(&ctrl->mbox_mem);
+ struct be_fw_cfg *req = embedded_payload(wrb);
+ int status = 0;
+
+ spin_lock(&ctrl->mbox_lock);
+ memset(wrb, 0, sizeof(*wrb));
+
+ be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
+
+ be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
+ OPCODE_COMMON_QUERY_FIRMWARE_CONFIG,
+ EMBED_MBX_MAX_PAYLOAD_SIZE);
+ status = be_mbox_notify(ctrl);
+ if (!status) {
+ uint8_t ulp_num = 0;
+ struct be_fw_cfg *pfw_cfg;
+ pfw_cfg = req;
+
+ if (!is_chip_be2_be3r(phba)) {
+ phba->fw_config.eqid_count = pfw_cfg->eqid_count;
+ phba->fw_config.cqid_count = pfw_cfg->cqid_count;
+
+ beiscsi_log(phba, KERN_INFO,
+ BEISCSI_LOG_INIT,
+ "BG_%d : EQ_Count : %d CQ_Count : %d\n",
+ phba->fw_config.eqid_count,
+ phba->fw_config.cqid_count);
+ }
+
+ for (ulp_num = 0; ulp_num < BEISCSI_ULP_COUNT; ulp_num++)
+ if (pfw_cfg->ulp[ulp_num].ulp_mode &
+ BEISCSI_ULP_ISCSI_INI_MODE)
+ set_bit(ulp_num,
+ &phba->fw_config.ulp_supported);
+
+ phba->fw_config.phys_port = pfw_cfg->phys_port;
+ for (ulp_num = 0; ulp_num < BEISCSI_ULP_COUNT; ulp_num++) {
+ if (test_bit(ulp_num, &phba->fw_config.ulp_supported)) {
+
+ phba->fw_config.iscsi_cid_start[ulp_num] =
+ pfw_cfg->ulp[ulp_num].sq_base;
+ phba->fw_config.iscsi_cid_count[ulp_num] =
+ pfw_cfg->ulp[ulp_num].sq_count;
+
+ phba->fw_config.iscsi_icd_start[ulp_num] =
+ pfw_cfg->ulp[ulp_num].icd_base;
+ phba->fw_config.iscsi_icd_count[ulp_num] =
+ pfw_cfg->ulp[ulp_num].icd_count;
+
+ phba->fw_config.iscsi_chain_start[ulp_num] =
+ pfw_cfg->chain_icd[ulp_num].chain_base;
+ phba->fw_config.iscsi_chain_count[ulp_num] =
+ pfw_cfg->chain_icd[ulp_num].chain_count;
+
+ beiscsi_log(phba, KERN_INFO, BEISCSI_LOG_INIT,
+ "BG_%d : Function loaded on ULP : %d\n"
+ "\tiscsi_cid_count : %d\n"
+ "\tiscsi_cid_start : %d\n"
+ "\t iscsi_icd_count : %d\n"
+ "\t iscsi_icd_start : %d\n",
+ ulp_num,
+ phba->fw_config.
+ iscsi_cid_count[ulp_num],
+ phba->fw_config.
+ iscsi_cid_start[ulp_num],
+ phba->fw_config.
+ iscsi_icd_count[ulp_num],
+ phba->fw_config.
+ iscsi_icd_start[ulp_num]);
+ }
+ }
+
+ phba->fw_config.dual_ulp_aware = (pfw_cfg->function_mode &
+ BEISCSI_FUNC_DUA_MODE);
+
+ beiscsi_log(phba, KERN_INFO, BEISCSI_LOG_INIT,
+ "BG_%d : DUA Mode : 0x%x\n",
+ phba->fw_config.dual_ulp_aware);
+
+ } else {
+ beiscsi_log(phba, KERN_ERR, BEISCSI_LOG_INIT,
+ "BG_%d : Failed in mgmt_get_fw_config\n");
+ status = -EINVAL;
+ }
+
+ spin_unlock(&ctrl->mbox_lock);
+ return status;
+}
+
+int mgmt_check_supported_fw(struct be_ctrl_info *ctrl,
+ struct beiscsi_hba *phba)
+{
+ struct be_dma_mem nonemb_cmd;
+ struct be_mcc_wrb *wrb = wrb_from_mbox(&ctrl->mbox_mem);
+ struct be_mgmt_controller_attributes *req;
+ struct be_sge *sge = nonembedded_sgl(wrb);
+ int status = 0;
+
+ nonemb_cmd.va = pci_alloc_consistent(ctrl->pdev,
+ sizeof(struct be_mgmt_controller_attributes),
+ &nonemb_cmd.dma);
+ if (nonemb_cmd.va == NULL) {
+ beiscsi_log(phba, KERN_ERR, BEISCSI_LOG_INIT,
+ "BG_%d : Failed to allocate memory for "
+ "mgmt_check_supported_fw\n");
+ return -ENOMEM;
+ }
+ nonemb_cmd.size = sizeof(struct be_mgmt_controller_attributes);
+ req = nonemb_cmd.va;
+ memset(req, 0, sizeof(*req));
+ spin_lock(&ctrl->mbox_lock);
+ memset(wrb, 0, sizeof(*wrb));
+ be_wrb_hdr_prepare(wrb, sizeof(*req), false, 1);
+ be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
+ OPCODE_COMMON_GET_CNTL_ATTRIBUTES, sizeof(*req));
+ sge->pa_hi = cpu_to_le32(upper_32_bits(nonemb_cmd.dma));
+ sge->pa_lo = cpu_to_le32(nonemb_cmd.dma & 0xFFFFFFFF);
+ sge->len = cpu_to_le32(nonemb_cmd.size);
+ status = be_mbox_notify(ctrl);
+ if (!status) {
+ struct be_mgmt_controller_attributes_resp *resp = nonemb_cmd.va;
+ beiscsi_log(phba, KERN_INFO, BEISCSI_LOG_INIT,
+ "BG_%d : Firmware Version of CMD : %s\n"
+ "Firmware Version is : %s\n"
+ "Developer Build, not performing version check...\n",
+ resp->params.hba_attribs
+ .flashrom_version_string,
+ resp->params.hba_attribs.
+ firmware_version_string);
+
+ phba->fw_config.iscsi_features =
+ resp->params.hba_attribs.iscsi_features;
+ beiscsi_log(phba, KERN_INFO, BEISCSI_LOG_INIT,
+ "BM_%d : phba->fw_config.iscsi_features = %d\n",
+ phba->fw_config.iscsi_features);
+ memcpy(phba->fw_ver_str, resp->params.hba_attribs.
+ firmware_version_string, BEISCSI_VER_STRLEN);
+ } else
+ beiscsi_log(phba, KERN_ERR, BEISCSI_LOG_INIT,
+ "BG_%d : Failed in mgmt_check_supported_fw\n");
+ spin_unlock(&ctrl->mbox_lock);
+ if (nonemb_cmd.va)
+ pci_free_consistent(ctrl->pdev, nonemb_cmd.size,
+ nonemb_cmd.va, nonemb_cmd.dma);
+
+ return status;
+}
+
+unsigned int mgmt_vendor_specific_fw_cmd(struct be_ctrl_info *ctrl,
+ struct beiscsi_hba *phba,
+ struct bsg_job *job,
+ struct be_dma_mem *nonemb_cmd)
+{
+ struct be_cmd_resp_hdr *resp;
+ struct be_mcc_wrb *wrb;
+ 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);
+ resp = nonemb_cmd->va;
+ region = bsg_req->rqst_data.h_vendor.vendor_cmd[1];
+ sector_size = bsg_req->rqst_data.h_vendor.vendor_cmd[2];
+ sector = bsg_req->rqst_data.h_vendor.vendor_cmd[3];
+ offset = bsg_req->rqst_data.h_vendor.vendor_cmd[4];
+ req->region = region;
+ req->sector = sector;
+ req->offset = offset;
+ spin_lock(&ctrl->mbox_lock);
+
+ switch (bsg_req->rqst_data.h_vendor.vendor_cmd[0]) {
+ case BEISCSI_WRITE_FLASH:
+ offset = sector * sector_size + offset;
+ be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ISCSI,
+ OPCODE_COMMON_WRITE_FLASH, sizeof(*req));
+ sg_copy_to_buffer(job->request_payload.sg_list,
+ job->request_payload.sg_cnt,
+ nonemb_cmd->va + offset, job->request_len);
+ break;
+ case BEISCSI_READ_FLASH:
+ be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ISCSI,
+ OPCODE_COMMON_READ_FLASH, sizeof(*req));
+ break;
+ default:
+ beiscsi_log(phba, KERN_WARNING, BEISCSI_LOG_CONFIG,
+ "BG_%d : Unsupported cmd = 0x%x\n\n",
+ bsg_req->rqst_data.h_vendor.vendor_cmd[0]);
+
+ spin_unlock(&ctrl->mbox_lock);
+ return -ENOSYS;
+ }
+
+ tag = alloc_mcc_tag(phba);
+ if (!tag) {
+ spin_unlock(&ctrl->mbox_lock);
+ return tag;
+ }
+
+ wrb = wrb_from_mccq(phba);
+ 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);
+ wrb->tag0 |= tag;
+
+ be_mcc_notify(phba);
+
+ spin_unlock(&ctrl->mbox_lock);
+ return tag;
+}
+
+/**
+ * mgmt_epfw_cleanup()- Inform FW to cleanup data structures.
+ * @phba: pointer to dev priv structure
+ * @ulp_num: ULP number.
+ *
+ * return
+ * Success: 0
+ * Failure: Non-Zero Value
+ **/
+int mgmt_epfw_cleanup(struct beiscsi_hba *phba, unsigned short ulp_num)
+{
+ struct be_ctrl_info *ctrl = &phba->ctrl;
+ struct be_mcc_wrb *wrb = wrb_from_mccq(phba);
+ struct iscsi_cleanup_req *req = embedded_payload(wrb);
+ int status = 0;
+
+ spin_lock(&ctrl->mbox_lock);
+
+ be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
+ be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ISCSI,
+ OPCODE_COMMON_ISCSI_CLEANUP, sizeof(*req));
+
+ req->chute = (1 << ulp_num);
+ req->hdr_ring_id = cpu_to_le16(HWI_GET_DEF_HDRQ_ID(phba, ulp_num));
+ req->data_ring_id = cpu_to_le16(HWI_GET_DEF_BUFQ_ID(phba, ulp_num));
+
+ status = be_mcc_notify_wait(phba);
+ if (status)
+ beiscsi_log(phba, KERN_WARNING, BEISCSI_LOG_INIT,
+ "BG_%d : mgmt_epfw_cleanup , FAILED\n");
+ spin_unlock(&ctrl->mbox_lock);
+ return status;
+}
+
+unsigned int mgmt_invalidate_icds(struct beiscsi_hba *phba,
+ struct invalidate_command_table *inv_tbl,
+ unsigned int num_invalidate, unsigned int cid,
+ struct be_dma_mem *nonemb_cmd)
+
+{
+ struct be_ctrl_info *ctrl = &phba->ctrl;
+ struct be_mcc_wrb *wrb;
+ struct be_sge *sge;
+ struct invalidate_commands_params_in *req;
+ unsigned int i, tag = 0;
+
+ spin_lock(&ctrl->mbox_lock);
+ tag = alloc_mcc_tag(phba);
+ if (!tag) {
+ spin_unlock(&ctrl->mbox_lock);
+ return tag;
+ }
+
+ req = nonemb_cmd->va;
+ memset(req, 0, sizeof(*req));
+ wrb = wrb_from_mccq(phba);
+ sge = nonembedded_sgl(wrb);
+ wrb->tag0 |= tag;
+
+ be_wrb_hdr_prepare(wrb, sizeof(*req), false, 1);
+ be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ISCSI,
+ OPCODE_COMMON_ISCSI_ERROR_RECOVERY_INVALIDATE_COMMANDS,
+ sizeof(*req));
+ req->ref_handle = 0;
+ req->cleanup_type = CMD_ISCSI_COMMAND_INVALIDATE;
+ for (i = 0; i < num_invalidate; i++) {
+ req->table[i].icd = inv_tbl->icd;
+ req->table[i].cid = inv_tbl->cid;
+ req->icd_count++;
+ inv_tbl++;
+ }
+ sge->pa_hi = cpu_to_le32(upper_32_bits(nonemb_cmd->dma));
+ sge->pa_lo = cpu_to_le32(nonemb_cmd->dma & 0xFFFFFFFF);
+ sge->len = cpu_to_le32(nonemb_cmd->size);
+
+ be_mcc_notify(phba);
+ spin_unlock(&ctrl->mbox_lock);
+ return tag;
+}
+
+unsigned int mgmt_invalidate_connection(struct beiscsi_hba *phba,
+ struct beiscsi_endpoint *beiscsi_ep,
+ unsigned short cid,
+ unsigned short issue_reset,
+ unsigned short savecfg_flag)
+{
+ struct be_ctrl_info *ctrl = &phba->ctrl;
+ struct be_mcc_wrb *wrb;
+ struct iscsi_invalidate_connection_params_in *req;
+ unsigned int tag = 0;
+
+ spin_lock(&ctrl->mbox_lock);
+ tag = alloc_mcc_tag(phba);
+ if (!tag) {
+ spin_unlock(&ctrl->mbox_lock);
+ return tag;
+ }
+ wrb = wrb_from_mccq(phba);
+ wrb->tag0 |= tag;
+ req = embedded_payload(wrb);
+
+ be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
+ be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ISCSI_INI,
+ OPCODE_ISCSI_INI_DRIVER_INVALIDATE_CONNECTION,
+ sizeof(*req));
+ req->session_handle = beiscsi_ep->fw_handle;
+ req->cid = cid;
+ if (issue_reset)
+ req->cleanup_type = CMD_ISCSI_CONNECTION_ISSUE_TCP_RST;
+ else
+ req->cleanup_type = CMD_ISCSI_CONNECTION_INVALIDATE;
+ req->save_cfg = savecfg_flag;
+ be_mcc_notify(phba);
+ spin_unlock(&ctrl->mbox_lock);
+ return tag;
+}
+
+unsigned int mgmt_upload_connection(struct beiscsi_hba *phba,
+ unsigned short cid, unsigned int upload_flag)
+{
+ struct be_ctrl_info *ctrl = &phba->ctrl;
+ struct be_mcc_wrb *wrb;
+ struct tcp_upload_params_in *req;
+ unsigned int tag = 0;
+
+ spin_lock(&ctrl->mbox_lock);
+ tag = alloc_mcc_tag(phba);
+ if (!tag) {
+ spin_unlock(&ctrl->mbox_lock);
+ return tag;
+ }
+ wrb = wrb_from_mccq(phba);
+ req = embedded_payload(wrb);
+ wrb->tag0 |= tag;
+
+ be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
+ be_cmd_hdr_prepare(&req->hdr, CMD_COMMON_TCP_UPLOAD,
+ OPCODE_COMMON_TCP_UPLOAD, sizeof(*req));
+ req->id = (unsigned short)cid;
+ req->upload_type = (unsigned char)upload_flag;
+ be_mcc_notify(phba);
+ spin_unlock(&ctrl->mbox_lock);
+ return tag;
+}
+
+/**
+ * mgmt_open_connection()- Establish a TCP CXN
+ * @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;
+
+ 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);
+ spin_lock(&ctrl->mbox_lock);
+ tag = alloc_mcc_tag(phba);
+ if (!tag) {
+ spin_unlock(&ctrl->mbox_lock);
+ return tag;
+ }
+ wrb = wrb_from_mccq(phba);
+ sge = nonembedded_sgl(wrb);
+
+ req = nonemb_cmd->va;
+ memset(req, 0, sizeof(*req));
+ wrb->tag0 |= tag;
+
+ 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 = BE2_IPV4;
+ req->ip_address.addr[0] = s_addr & 0x000000ff;
+ req->ip_address.addr[1] = (s_addr & 0x0000ff00) >> 8;
+ req->ip_address.addr[2] = (s_addr & 0x00ff0000) >> 16;
+ req->ip_address.addr[3] = (s_addr & 0xff000000) >> 24;
+ req->tcp_port = ntohs(daddr_in->sin_port);
+ beiscsi_ep->dst_addr = daddr_in->sin_addr.s_addr;
+ beiscsi_ep->dst_tcpport = ntohs(daddr_in->sin_port);
+ beiscsi_ep->ip_type = BE2_IPV4;
+ } else if (dst_addr->sa_family == PF_INET6) {
+ req->ip_address.ip_type = BE2_IPV6;
+ memcpy(&req->ip_address.addr,
+ &daddr_in6->sin6_addr.in6_u.u6_addr8, 16);
+ req->tcp_port = ntohs(daddr_in6->sin6_port);
+ beiscsi_ep->dst_tcpport = ntohs(daddr_in6->sin6_port);
+ memcpy(&beiscsi_ep->dst6_addr,
+ &daddr_in6->sin6_addr.in6_u.u6_addr8, 16);
+ beiscsi_ep->ip_type = BE2_IPV6;
+ } else{
+ beiscsi_log(phba, KERN_ERR, BEISCSI_LOG_CONFIG,
+ "BG_%d : unknown addr family %d\n",
+ dst_addr->sa_family);
+ spin_unlock(&ctrl->mbox_lock);
+ free_mcc_tag(&phba->ctrl, tag);
+ return -EINVAL;
+
+ }
+ req->cid = cid;
+ i = phba->nxt_cqid++;
+ if (phba->nxt_cqid == phba->num_cpus)
+ phba->nxt_cqid = 0;
+ req->cq_id = phwi_context->be_cq[i].id;
+ beiscsi_log(phba, KERN_INFO, BEISCSI_LOG_CONFIG,
+ "BG_%d : i=%d cq_id=%d\n", i, req->cq_id);
+ req->defq_id = def_hdr_id;
+ req->hdr_ring_id = def_hdr_id;
+ req->data_ring_id = def_data_id;
+ req->do_offload = 1;
+ req->dataout_template_pa.lo = ptemplate_address->lo;
+ req->dataout_template_pa.hi = ptemplate_address->hi;
+ sge->pa_hi = cpu_to_le32(upper_32_bits(nonemb_cmd->dma));
+ sge->pa_lo = cpu_to_le32(nonemb_cmd->dma & 0xFFFFFFFF);
+ sge->len = cpu_to_le32(nonemb_cmd->size);
+
+ if (!is_chip_be2_be3r(phba)) {
+ req->hdr.version = MBX_CMD_VER1;
+ req->tcp_window_size = 0;
+ req->tcp_window_scale_count = 2;
+ }
+
+ be_mcc_notify(phba);
+ spin_unlock(&ctrl->mbox_lock);
+ return tag;
+}
+
+unsigned int mgmt_get_all_if_id(struct beiscsi_hba *phba)
+{
+ struct be_ctrl_info *ctrl = &phba->ctrl;
+ struct be_mcc_wrb *wrb = wrb_from_mbox(&ctrl->mbox_mem);
+ struct be_cmd_get_all_if_id_req *req = embedded_payload(wrb);
+ struct be_cmd_get_all_if_id_req *pbe_allid = req;
+ int status = 0;
+
+ memset(wrb, 0, sizeof(*wrb));
+
+ spin_lock(&ctrl->mbox_lock);
+
+ be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
+ be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ISCSI,
+ OPCODE_COMMON_ISCSI_NTWK_GET_ALL_IF_ID,
+ sizeof(*req));
+ status = be_mbox_notify(ctrl);
+ if (!status)
+ phba->interface_handle = pbe_allid->if_hndl_list[0];
+ else {
+ beiscsi_log(phba, KERN_WARNING, BEISCSI_LOG_CONFIG,
+ "BG_%d : Failed in mgmt_get_all_if_id\n");
+ }
+ spin_unlock(&ctrl->mbox_lock);
+
+ return status;
+}
+
+/*
+ * mgmt_exec_nonemb_cmd()- Execute Non Embedded MBX Cmd
+ * @phba: Driver priv structure
+ * @nonemb_cmd: Address of the MBX command issued
+ * @resp_buf: Buffer to copy the MBX cmd response
+ * @resp_buf_len: respone lenght to be copied
+ *
+ **/
+static int mgmt_exec_nonemb_cmd(struct beiscsi_hba *phba,
+ struct be_dma_mem *nonemb_cmd, void *resp_buf,
+ int resp_buf_len)
+{
+ struct be_ctrl_info *ctrl = &phba->ctrl;
+ struct be_mcc_wrb *wrb;
+ struct be_sge *sge;
+ unsigned int tag;
+ int rc = 0;
+
+ spin_lock(&ctrl->mbox_lock);
+ tag = alloc_mcc_tag(phba);
+ if (!tag) {
+ spin_unlock(&ctrl->mbox_lock);
+ rc = -ENOMEM;
+ goto free_cmd;
+ }
+
+ wrb = wrb_from_mccq(phba);
+ wrb->tag0 |= tag;
+ sge = nonembedded_sgl(wrb);
+
+ be_wrb_hdr_prepare(wrb, nonemb_cmd->size, false, 1);
+ sge->pa_hi = cpu_to_le32(upper_32_bits(nonemb_cmd->dma));
+ sge->pa_lo = cpu_to_le32(lower_32_bits(nonemb_cmd->dma));
+ sge->len = cpu_to_le32(nonemb_cmd->size);
+
+ be_mcc_notify(phba);
+ spin_unlock(&ctrl->mbox_lock);
+
+ rc = beiscsi_mccq_compl(phba, tag, NULL, nonemb_cmd);
+
+ if (resp_buf)
+ memcpy(resp_buf, nonemb_cmd->va, resp_buf_len);
+
+ if (rc) {
+ /* Check if the MBX Cmd needs to be re-issued */
+ if (rc == -EAGAIN)
+ return rc;
+
+ beiscsi_log(phba, KERN_WARNING,
+ BEISCSI_LOG_CONFIG | BEISCSI_LOG_MBOX,
+ "BG_%d : mgmt_exec_nonemb_cmd Failed status\n");
+
+ if (rc != -EBUSY)
+ goto free_cmd;
+ else
+ return rc;
+ }
+free_cmd:
+ pci_free_consistent(ctrl->pdev, nonemb_cmd->size,
+ nonemb_cmd->va, nonemb_cmd->dma);
+ return rc;
+}
+
+static int mgmt_alloc_cmd_data(struct beiscsi_hba *phba, struct be_dma_mem *cmd,
+ int iscsi_cmd, int size)
+{
+ cmd->va = pci_zalloc_consistent(phba->ctrl.pdev, size, &cmd->dma);
+ if (!cmd->va) {
+ beiscsi_log(phba, KERN_ERR, BEISCSI_LOG_CONFIG,
+ "BG_%d : Failed to allocate memory for if info\n");
+ return -ENOMEM;
+ }
+ cmd->size = size;
+ be_cmd_hdr_prepare(cmd->va, CMD_SUBSYSTEM_ISCSI, iscsi_cmd, size);
+ return 0;
+}
+
+static int
+mgmt_static_ip_modify(struct beiscsi_hba *phba,
+ struct be_cmd_get_if_info_resp *if_info,
+ struct iscsi_iface_param_info *ip_param,
+ struct iscsi_iface_param_info *subnet_param,
+ uint32_t ip_action)
+{
+ struct be_cmd_set_ip_addr_req *req;
+ struct be_dma_mem nonemb_cmd;
+ uint32_t ip_type;
+ int rc;
+
+ rc = mgmt_alloc_cmd_data(phba, &nonemb_cmd,
+ OPCODE_COMMON_ISCSI_NTWK_MODIFY_IP_ADDR,
+ sizeof(*req));
+ if (rc)
+ return rc;
+
+ ip_type = (ip_param->param == ISCSI_NET_PARAM_IPV6_ADDR) ?
+ BE2_IPV6 : BE2_IPV4 ;
+
+ req = nonemb_cmd.va;
+ req->ip_params.record_entry_count = 1;
+ req->ip_params.ip_record.action = ip_action;
+ req->ip_params.ip_record.interface_hndl =
+ phba->interface_handle;
+ req->ip_params.ip_record.ip_addr.size_of_structure =
+ sizeof(struct be_ip_addr_subnet_format);
+ req->ip_params.ip_record.ip_addr.ip_type = ip_type;
+
+ if (ip_action == IP_ACTION_ADD) {
+ memcpy(req->ip_params.ip_record.ip_addr.addr, ip_param->value,
+ sizeof(req->ip_params.ip_record.ip_addr.addr));
+
+ if (subnet_param)
+ memcpy(req->ip_params.ip_record.ip_addr.subnet_mask,
+ subnet_param->value,
+ sizeof(req->ip_params.ip_record.ip_addr.subnet_mask));
+ } else {
+ memcpy(req->ip_params.ip_record.ip_addr.addr,
+ if_info->ip_addr.addr,
+ sizeof(req->ip_params.ip_record.ip_addr.addr));
+
+ memcpy(req->ip_params.ip_record.ip_addr.subnet_mask,
+ if_info->ip_addr.subnet_mask,
+ sizeof(req->ip_params.ip_record.ip_addr.subnet_mask));
+ }
+
+ rc = mgmt_exec_nonemb_cmd(phba, &nonemb_cmd, NULL, 0);
+ if (rc < 0)
+ beiscsi_log(phba, KERN_WARNING, BEISCSI_LOG_CONFIG,
+ "BG_%d : Failed to Modify existing IP Address\n");
+ return rc;
+}
+
+static int mgmt_modify_gateway(struct beiscsi_hba *phba, uint8_t *gt_addr,
+ uint32_t gtway_action, uint32_t param_len)
+{
+ struct be_cmd_set_def_gateway_req *req;
+ struct be_dma_mem nonemb_cmd;
+ int rt_val;
+
+
+ rt_val = mgmt_alloc_cmd_data(phba, &nonemb_cmd,
+ OPCODE_COMMON_ISCSI_NTWK_MODIFY_DEFAULT_GATEWAY,
+ sizeof(*req));
+ if (rt_val)
+ return rt_val;
+
+ req = nonemb_cmd.va;
+ req->action = gtway_action;
+ req->ip_addr.ip_type = BE2_IPV4;
+
+ memcpy(req->ip_addr.addr, gt_addr, sizeof(req->ip_addr.addr));
+
+ return mgmt_exec_nonemb_cmd(phba, &nonemb_cmd, NULL, 0);
+}
+
+int mgmt_set_ip(struct beiscsi_hba *phba,
+ struct iscsi_iface_param_info *ip_param,
+ struct iscsi_iface_param_info *subnet_param,
+ uint32_t boot_proto)
+{
+ struct be_cmd_get_def_gateway_resp gtway_addr_set;
+ struct be_cmd_get_if_info_resp *if_info;
+ struct be_cmd_set_dhcp_req *dhcpreq;
+ struct be_cmd_rel_dhcp_req *reldhcp;
+ struct be_dma_mem nonemb_cmd;
+ uint8_t *gtway_addr;
+ uint32_t ip_type;
+ int rc;
+
+ if (mgmt_get_all_if_id(phba))
+ return -EIO;
+
+ ip_type = (ip_param->param == ISCSI_NET_PARAM_IPV6_ADDR) ?
+ BE2_IPV6 : BE2_IPV4 ;
+
+ rc = mgmt_get_if_info(phba, ip_type, &if_info);
+ if (rc)
+ return rc;
+
+ if (boot_proto == ISCSI_BOOTPROTO_DHCP) {
+ if (if_info->dhcp_state) {
+ beiscsi_log(phba, KERN_WARNING, BEISCSI_LOG_CONFIG,
+ "BG_%d : DHCP Already Enabled\n");
+ goto exit;
+ }
+ /* The ip_param->len is 1 in DHCP case. Setting
+ proper IP len as this it is used while
+ freeing the Static IP.
+ */
+ ip_param->len = (ip_param->param == ISCSI_NET_PARAM_IPV6_ADDR) ?
+ IP_V6_LEN : IP_V4_LEN;
+
+ } else {
+ if (if_info->dhcp_state) {
+
+ memset(if_info, 0, sizeof(*if_info));
+ rc = mgmt_alloc_cmd_data(phba, &nonemb_cmd,
+ OPCODE_COMMON_ISCSI_NTWK_REL_STATELESS_IP_ADDR,
+ sizeof(*reldhcp));
+
+ if (rc)
+ 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 Delete existing dhcp\n");
+ goto exit;
+ }
+ }
+ }
+
+ /* Delete the Static IP Set */
+ if (if_info->ip_addr.addr[0]) {
+ rc = mgmt_static_ip_modify(phba, if_info, ip_param, NULL,
+ IP_ACTION_DEL);
+ if (rc)
+ goto exit;
+ }
+
+ /* Delete the Gateway settings if mode change is to DHCP */
+ if (boot_proto == ISCSI_BOOTPROTO_DHCP) {
+ memset(>way_addr_set, 0, sizeof(gtway_addr_set));
+ rc = mgmt_get_gateway(phba, BE2_IPV4, >way_addr_set);
+ if (rc) {
+ beiscsi_log(phba, KERN_WARNING, BEISCSI_LOG_CONFIG,
+ "BG_%d : Failed to Get Gateway Addr\n");
+ goto exit;
+ }
+
+ if (gtway_addr_set.ip_addr.addr[0]) {
+ gtway_addr = (uint8_t *)>way_addr_set.ip_addr.addr;
+ rc = mgmt_modify_gateway(phba, gtway_addr,
+ IP_ACTION_DEL, IP_V4_LEN);
+
+ if (rc) {
+ beiscsi_log(phba, KERN_WARNING,
+ BEISCSI_LOG_CONFIG,
+ "BG_%d : Failed to clear Gateway Addr Set\n");
+ goto exit;
+ }
+ }
+ }
+
+ /* Set Adapter to DHCP/Static Mode */
+ if (boot_proto == ISCSI_BOOTPROTO_DHCP) {
+ rc = mgmt_alloc_cmd_data(phba, &nonemb_cmd,
+ OPCODE_COMMON_ISCSI_NTWK_CONFIG_STATELESS_IP_ADDR,
+ sizeof(*dhcpreq));
+ if (rc)
+ goto exit;
+
+ dhcpreq = nonemb_cmd.va;
+ dhcpreq->flags = BLOCKING;
+ dhcpreq->retry_count = 1;
+ dhcpreq->interface_hndl = phba->interface_handle;
+ dhcpreq->ip_type = BE2_DHCP_V4;
+
+ rc = mgmt_exec_nonemb_cmd(phba, &nonemb_cmd, NULL, 0);
+ } else {
+ rc = mgmt_static_ip_modify(phba, if_info, ip_param,
+ subnet_param, IP_ACTION_ADD);
+ }
+
+exit:
+ kfree(if_info);
+ return rc;
+}
+
+int mgmt_set_gateway(struct beiscsi_hba *phba,
+ struct iscsi_iface_param_info *gateway_param)
+{
+ struct be_cmd_get_def_gateway_resp gtway_addr_set;
+ uint8_t *gtway_addr;
+ int rt_val;
+
+ memset(>way_addr_set, 0, sizeof(gtway_addr_set));
+ rt_val = mgmt_get_gateway(phba, BE2_IPV4, >way_addr_set);
+ if (rt_val) {
+ beiscsi_log(phba, KERN_WARNING, BEISCSI_LOG_CONFIG,
+ "BG_%d : Failed to Get Gateway Addr\n");
+ return rt_val;
+ }
+
+ if (gtway_addr_set.ip_addr.addr[0]) {
+ gtway_addr = (uint8_t *)>way_addr_set.ip_addr.addr;
+ rt_val = mgmt_modify_gateway(phba, gtway_addr, IP_ACTION_DEL,
+ gateway_param->len);
+ if (rt_val) {
+ beiscsi_log(phba, KERN_WARNING, BEISCSI_LOG_CONFIG,
+ "BG_%d : Failed to clear Gateway Addr Set\n");
+ return rt_val;
+ }
+ }
+
+ gtway_addr = (uint8_t *)&gateway_param->value;
+ rt_val = mgmt_modify_gateway(phba, gtway_addr, IP_ACTION_ADD,
+ gateway_param->len);
+
+ if (rt_val)
+ beiscsi_log(phba, KERN_WARNING, BEISCSI_LOG_CONFIG,
+ "BG_%d : Failed to Set Gateway Addr\n");
+
+ return rt_val;
+}
+
+int mgmt_get_gateway(struct beiscsi_hba *phba, int ip_type,
+ struct be_cmd_get_def_gateway_resp *gateway)
+{
+ struct be_cmd_get_def_gateway_req *req;
+ struct be_dma_mem nonemb_cmd;
+ int rc;
+
+ rc = mgmt_alloc_cmd_data(phba, &nonemb_cmd,
+ OPCODE_COMMON_ISCSI_NTWK_GET_DEFAULT_GATEWAY,
+ sizeof(*gateway));
+ if (rc)
+ return rc;
+
+ req = nonemb_cmd.va;
+ req->ip_type = ip_type;
+
+ return mgmt_exec_nonemb_cmd(phba, &nonemb_cmd, gateway,
+ sizeof(*gateway));
+}
+
+int mgmt_get_if_info(struct beiscsi_hba *phba, int ip_type,
+ struct be_cmd_get_if_info_resp **if_info)
+{
+ struct be_cmd_get_if_info_req *req;
+ struct be_dma_mem nonemb_cmd;
+ uint32_t ioctl_size = sizeof(struct be_cmd_get_if_info_resp);
+ int rc;
+
+ if (mgmt_get_all_if_id(phba))
+ return -EIO;
+
+ 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 = 0;
+ struct be_mcc_wrb *wrb;
+ struct be_cmd_hba_name *req;
+ struct be_ctrl_info *ctrl = &phba->ctrl;
+
+ spin_lock(&ctrl->mbox_lock);
+ tag = alloc_mcc_tag(phba);
+ if (!tag) {
+ spin_unlock(&ctrl->mbox_lock);
+ return tag;
+ }
+
+ wrb = wrb_from_mccq(phba);
+ req = embedded_payload(wrb);
+ wrb->tag0 |= tag;
+ be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
+ be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ISCSI_INI,
+ OPCODE_ISCSI_INI_CFG_GET_HBA_NAME,
+ sizeof(*req));
+
+ be_mcc_notify(phba);
+ spin_unlock(&ctrl->mbox_lock);
+ return tag;
+}
+
+unsigned int be_cmd_get_port_speed(struct beiscsi_hba *phba)
+{
+ unsigned int tag = 0;
+ struct be_mcc_wrb *wrb;
+ struct be_cmd_ntwk_link_status_req *req;
+ struct be_ctrl_info *ctrl = &phba->ctrl;
+
+ spin_lock(&ctrl->mbox_lock);
+ tag = alloc_mcc_tag(phba);
+ if (!tag) {
+ spin_unlock(&ctrl->mbox_lock);
+ return tag;
+ }
+
+ wrb = wrb_from_mccq(phba);
+ req = embedded_payload(wrb);
+ wrb->tag0 |= tag;
+ be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
+ be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
+ OPCODE_COMMON_NTWK_LINK_STATUS_QUERY,
+ sizeof(*req));
+
+ be_mcc_notify(phba);
+ spin_unlock(&ctrl->mbox_lock);
+ return tag;
+}
+
+/**
+ * be_mgmt_get_boot_shandle()- Get the session handle
+ * @phba: device priv structure instance
+ * @s_handle: session handle returned for boot session.
+ *
+ * Get the boot target session handle. In case of
+ * crashdump mode driver has to issue and MBX Cmd
+ * for FW to login to boot target
+ *
+ * return
+ * Success: 0
+ * Failure: Non-Zero value
+ *
+ **/
+int be_mgmt_get_boot_shandle(struct beiscsi_hba *phba,
+ unsigned int *s_handle)
+{
+ struct be_cmd_get_boot_target_resp *boot_resp;
+ struct be_mcc_wrb *wrb;
+ unsigned int tag;
+ uint8_t boot_retry = 3;
+ int rc;
+
+ do {
+ /* Get the Boot Target Session Handle and Count*/
+ tag = mgmt_get_boot_target(phba);
+ if (!tag) {
+ beiscsi_log(phba, KERN_ERR,
+ BEISCSI_LOG_CONFIG | BEISCSI_LOG_INIT,
+ "BG_%d : Getting Boot Target Info Failed\n");
+ return -EAGAIN;
+ }
+
+ rc = beiscsi_mccq_compl(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 the there are any Boot targets configured */
+ if (!boot_resp->boot_session_count) {
+ beiscsi_log(phba, KERN_INFO,
+ BEISCSI_LOG_INIT | BEISCSI_LOG_CONFIG,
+ "BG_%d ;No boot targets configured\n");
+ return -ENXIO;
+ }
+
+ /* FW returns the session handle of the boot session */
+ if (boot_resp->boot_session_handle != INVALID_SESS_HANDLE) {
+ *s_handle = boot_resp->boot_session_handle;
+ return 0;
+ }
+
+ /* Issue MBX Cmd to FW to login to the boot target */
+ tag = mgmt_reopen_session(phba, BE_REOPEN_BOOT_SESSIONS,
+ INVALID_SESS_HANDLE);
+ if (!tag) {
+ beiscsi_log(phba, KERN_ERR,
+ BEISCSI_LOG_INIT | BEISCSI_LOG_CONFIG,
+ "BG_%d : mgmt_reopen_session Failed\n");
+ return -EAGAIN;
+ }
+
+ rc = beiscsi_mccq_compl(phba, tag, NULL, NULL);
+ if (rc) {
+ beiscsi_log(phba, KERN_ERR,
+ BEISCSI_LOG_INIT | BEISCSI_LOG_CONFIG,
+ "BG_%d : mgmt_reopen_session Failed");
+ return rc;
+ }
+ } while (--boot_retry);
+
+ /* Couldn't log into the boot target */
+ beiscsi_log(phba, KERN_ERR,
+ BEISCSI_LOG_INIT | BEISCSI_LOG_CONFIG,
+ "BG_%d : Login to Boot Target Failed\n");
+ return -ENXIO;
+}
+
+/**
+ * mgmt_set_vlan()- Issue and wait for CMD completion
+ * @phba: device private structure instance
+ * @vlan_tag: VLAN tag
+ *
+ * Issue the MBX Cmd and wait for the completion of the
+ * command.
+ *
+ * returns
+ * Success: 0
+ * Failure: Non-Xero Value
+ **/
+int mgmt_set_vlan(struct beiscsi_hba *phba,
+ uint16_t vlan_tag)
+{
+ 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(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;
+}
+
+/**
+ * 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, "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 : %d\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 iscsi_wrb *pwrb = pwrb_handle->pwrb;
+
+ memset(pwrb, 0, sizeof(*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->nxt_wrb_index);
+ 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 iscsi_wrb *pwrb = pwrb_handle->pwrb;
+
+ memset(pwrb, 0, sizeof(*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->nxt_wrb_index);
+ 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));
+}
Code Review / kvmfornfv.git / blobdiff