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path: root/drivers/scsi/be2iscsi/be_mgmt.c
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Diffstat (limited to 'drivers/scsi/be2iscsi/be_mgmt.c')
-rw-r--r--drivers/scsi/be2iscsi/be_mgmt.c321
1 files changed, 321 insertions, 0 deletions
diff --git a/drivers/scsi/be2iscsi/be_mgmt.c b/drivers/scsi/be2iscsi/be_mgmt.c
new file mode 100644
index 000000000000..12e644fc746e
--- /dev/null
+++ b/drivers/scsi/be2iscsi/be_mgmt.c
@@ -0,0 +1,321 @@
+/**
+ * Copyright (C) 2005 - 2009 ServerEngines
+ * All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License version 2
+ * as published by the Free Software Foundation. The full GNU General
+ * Public License is included in this distribution in the file called COPYING.
+ *
+ * Written by: Jayamohan Kallickal (jayamohank@serverengines.com)
+ *
+ * Contact Information:
+ * linux-drivers@serverengines.com
+ *
+ * ServerEngines
+ * 209 N. Fair Oaks Ave
+ * Sunnyvale, CA 94085
+ *
+ */
+
+#include "be_mgmt.h"
+#include "be_iscsi.h"
+
+unsigned char mgmt_get_fw_config(struct be_ctrl_info *ctrl,
+ struct beiscsi_hba *phba)
+{
+ struct be_mcc_wrb *wrb = wrb_from_mbox(&ctrl->mbox_mem);
+ struct be_fw_cfg *req = embedded_payload(wrb);
+ int status = 0;
+
+ spin_lock(&ctrl->mbox_lock);
+ memset(wrb, 0, sizeof(*wrb));
+
+ be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
+
+ be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
+ OPCODE_COMMON_QUERY_FIRMWARE_CONFIG, sizeof(*req));
+
+ status = be_mbox_notify(ctrl);
+ if (!status) {
+ struct be_fw_cfg *pfw_cfg;
+ pfw_cfg = req;
+ phba->fw_config.phys_port = pfw_cfg->phys_port;
+ phba->fw_config.iscsi_icd_start =
+ pfw_cfg->ulp[0].icd_base;
+ phba->fw_config.iscsi_icd_count =
+ pfw_cfg->ulp[0].icd_count;
+ phba->fw_config.iscsi_cid_start =
+ pfw_cfg->ulp[0].sq_base;
+ phba->fw_config.iscsi_cid_count =
+ pfw_cfg->ulp[0].sq_count;
+ } else {
+ shost_printk(KERN_WARNING, phba->shost,
+ "Failed in mgmt_get_fw_config \n");
+ }
+
+ spin_unlock(&ctrl->mbox_lock);
+ return status;
+}
+
+unsigned char mgmt_check_supported_fw(struct be_ctrl_info *ctrl)
+{
+ struct be_dma_mem nonemb_cmd;
+ struct be_mcc_wrb *wrb = wrb_from_mbox(&ctrl->mbox_mem);
+ struct be_mgmt_controller_attributes *req;
+ struct be_sge *sge = nonembedded_sgl(wrb);
+ int status = 0;
+
+ nonemb_cmd.va = pci_alloc_consistent(ctrl->pdev,
+ sizeof(struct be_mgmt_controller_attributes),
+ &nonemb_cmd.dma);
+ if (nonemb_cmd.va == NULL) {
+ SE_DEBUG(DBG_LVL_1,
+ "Failed to allocate memory for mgmt_check_supported_fw"
+ "\n");
+ return -1;
+ }
+ nonemb_cmd.size = sizeof(struct be_mgmt_controller_attributes);
+ req = nonemb_cmd.va;
+ spin_lock(&ctrl->mbox_lock);
+ memset(wrb, 0, sizeof(*wrb));
+ be_wrb_hdr_prepare(wrb, sizeof(*req), false, 1);
+ be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
+ OPCODE_COMMON_GET_CNTL_ATTRIBUTES, sizeof(*req));
+ sge->pa_hi = cpu_to_le32(upper_32_bits(nonemb_cmd.dma));
+ sge->pa_lo = cpu_to_le32(nonemb_cmd.dma & 0xFFFFFFFF);
+ sge->len = cpu_to_le32(nonemb_cmd.size);
+
+ status = be_mbox_notify(ctrl);
+ if (!status) {
+ struct be_mgmt_controller_attributes_resp *resp = nonemb_cmd.va;
+ SE_DEBUG(DBG_LVL_8, "Firmware version of CMD: %s\n",
+ resp->params.hba_attribs.flashrom_version_string);
+ SE_DEBUG(DBG_LVL_8, "Firmware version is : %s\n",
+ resp->params.hba_attribs.firmware_version_string);
+ SE_DEBUG(DBG_LVL_8,
+ "Developer Build, not performing version check...\n");
+
+ } else
+ SE_DEBUG(DBG_LVL_1, " Failed in mgmt_check_supported_fw\n");
+ if (nonemb_cmd.va)
+ pci_free_consistent(ctrl->pdev, nonemb_cmd.size,
+ nonemb_cmd.va, nonemb_cmd.dma);
+
+ spin_unlock(&ctrl->mbox_lock);
+ return status;
+}
+
+unsigned char mgmt_epfw_cleanup(struct beiscsi_hba *phba, unsigned short chute)
+{
+ struct be_ctrl_info *ctrl = &phba->ctrl;
+ struct be_mcc_wrb *wrb = wrb_from_mbox(&ctrl->mbox_mem);
+ struct iscsi_cleanup_req *req = embedded_payload(wrb);
+ int status = 0;
+
+ spin_lock(&ctrl->mbox_lock);
+ memset(wrb, 0, sizeof(*wrb));
+
+ be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
+ be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ISCSI,
+ OPCODE_COMMON_ISCSI_CLEANUP, sizeof(*req));
+
+ req->chute = chute;
+ req->hdr_ring_id = 0;
+ req->data_ring_id = 0;
+
+ status = be_mbox_notify(ctrl);
+ if (status)
+ shost_printk(KERN_WARNING, phba->shost,
+ " mgmt_epfw_cleanup , FAILED\n");
+ spin_unlock(&ctrl->mbox_lock);
+ return status;
+}
+
+unsigned char mgmt_invalidate_icds(struct beiscsi_hba *phba,
+ unsigned int icd, unsigned int cid)
+{
+ struct be_dma_mem nonemb_cmd;
+ struct be_ctrl_info *ctrl = &phba->ctrl;
+ struct be_mcc_wrb *wrb = wrb_from_mbox(&ctrl->mbox_mem);
+ struct be_sge *sge = nonembedded_sgl(wrb);
+ struct invalidate_commands_params_in *req;
+ int status = 0;
+
+ nonemb_cmd.va = pci_alloc_consistent(ctrl->pdev,
+ sizeof(struct invalidate_commands_params_in),
+ &nonemb_cmd.dma);
+ if (nonemb_cmd.va == NULL) {
+ SE_DEBUG(DBG_LVL_1,
+ "Failed to allocate memory for"
+ "mgmt_invalidate_icds \n");
+ return -1;
+ }
+ nonemb_cmd.size = sizeof(struct invalidate_commands_params_in);
+ req = nonemb_cmd.va;
+ spin_lock(&ctrl->mbox_lock);
+ memset(wrb, 0, sizeof(*wrb));
+
+ be_wrb_hdr_prepare(wrb, sizeof(*req), false, 1);
+ be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ISCSI,
+ OPCODE_COMMON_ISCSI_ERROR_RECOVERY_INVALIDATE_COMMANDS,
+ sizeof(*req));
+ req->ref_handle = 0;
+ req->cleanup_type = CMD_ISCSI_COMMAND_INVALIDATE;
+ req->icd_count = 0;
+ req->table[req->icd_count].icd = icd;
+ req->table[req->icd_count].cid = cid;
+ sge->pa_hi = cpu_to_le32(upper_32_bits(nonemb_cmd.dma));
+ sge->pa_lo = cpu_to_le32(nonemb_cmd.dma & 0xFFFFFFFF);
+ sge->len = cpu_to_le32(nonemb_cmd.size);
+
+ status = be_mbox_notify(ctrl);
+ if (status)
+ SE_DEBUG(DBG_LVL_1, "ICDS Invalidation Failed\n");
+ spin_unlock(&ctrl->mbox_lock);
+ if (nonemb_cmd.va)
+ pci_free_consistent(ctrl->pdev, nonemb_cmd.size,
+ nonemb_cmd.va, nonemb_cmd.dma);
+ return status;
+}
+
+unsigned char mgmt_invalidate_connection(struct beiscsi_hba *phba,
+ struct beiscsi_endpoint *beiscsi_ep,
+ unsigned short cid,
+ unsigned short issue_reset,
+ unsigned short savecfg_flag)
+{
+ struct be_ctrl_info *ctrl = &phba->ctrl;
+ struct be_mcc_wrb *wrb = wrb_from_mbox(&ctrl->mbox_mem);
+ struct iscsi_invalidate_connection_params_in *req =
+ embedded_payload(wrb);
+ int status = 0;
+
+ spin_lock(&ctrl->mbox_lock);
+ memset(wrb, 0, sizeof(*wrb));
+
+ be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
+ be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ISCSI_INI,
+ OPCODE_ISCSI_INI_DRIVER_INVALIDATE_CONNECTION,
+ sizeof(*req));
+ req->session_handle = beiscsi_ep->fw_handle;
+ req->cid = cid;
+ if (issue_reset)
+ req->cleanup_type = CMD_ISCSI_CONNECTION_ISSUE_TCP_RST;
+ else
+ req->cleanup_type = CMD_ISCSI_CONNECTION_INVALIDATE;
+ req->save_cfg = savecfg_flag;
+ status = be_mbox_notify(ctrl);
+ if (status)
+ SE_DEBUG(DBG_LVL_1, "Invalidation Failed\n");
+
+ spin_unlock(&ctrl->mbox_lock);
+ return status;
+}
+
+unsigned char mgmt_upload_connection(struct beiscsi_hba *phba,
+ unsigned short cid, unsigned int upload_flag)
+{
+ struct be_ctrl_info *ctrl = &phba->ctrl;
+ struct be_mcc_wrb *wrb = wrb_from_mbox(&ctrl->mbox_mem);
+ struct tcp_upload_params_in *req = embedded_payload(wrb);
+ int status = 0;
+
+ spin_lock(&ctrl->mbox_lock);
+ memset(wrb, 0, sizeof(*wrb));
+
+ be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
+ be_cmd_hdr_prepare(&req->hdr, CMD_COMMON_TCP_UPLOAD,
+ OPCODE_COMMON_TCP_UPLOAD, sizeof(*req));
+ req->id = (unsigned short)cid;
+ req->upload_type = (unsigned char)upload_flag;
+ status = be_mbox_notify(ctrl);
+ if (status)
+ SE_DEBUG(DBG_LVL_1, "mgmt_upload_connection Failed\n");
+ spin_unlock(&ctrl->mbox_lock);
+ return status;
+}
+
+int mgmt_open_connection(struct beiscsi_hba *phba,
+ struct sockaddr *dst_addr,
+ struct beiscsi_endpoint *beiscsi_ep)
+{
+ struct hwi_controller *phwi_ctrlr;
+ struct hwi_context_memory *phwi_context;
+ struct sockaddr_in *daddr_in = (struct sockaddr_in *)dst_addr;
+ struct sockaddr_in6 *daddr_in6 = (struct sockaddr_in6 *)dst_addr;
+ struct be_ctrl_info *ctrl = &phba->ctrl;
+ struct be_mcc_wrb *wrb = wrb_from_mbox(&ctrl->mbox_mem);
+ struct tcp_connect_and_offload_in *req = embedded_payload(wrb);
+ unsigned short def_hdr_id;
+ unsigned short def_data_id;
+ struct phys_addr template_address = { 0, 0 };
+ struct phys_addr *ptemplate_address;
+ int status = 0;
+ unsigned short cid = beiscsi_ep->ep_cid;
+
+ phwi_ctrlr = phba->phwi_ctrlr;
+ phwi_context = phwi_ctrlr->phwi_ctxt;
+ def_hdr_id = (unsigned short)HWI_GET_DEF_HDRQ_ID(phba);
+ def_data_id = (unsigned short)HWI_GET_DEF_BUFQ_ID(phba);
+
+ ptemplate_address = &template_address;
+ ISCSI_GET_PDU_TEMPLATE_ADDRESS(phba, ptemplate_address);
+ spin_lock(&ctrl->mbox_lock);
+ memset(wrb, 0, sizeof(*wrb));
+
+ be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
+ be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ISCSI,
+ OPCODE_COMMON_ISCSI_TCP_CONNECT_AND_OFFLOAD,
+ sizeof(*req));
+ if (dst_addr->sa_family == PF_INET) {
+ __be32 s_addr = daddr_in->sin_addr.s_addr;
+ req->ip_address.ip_type = BE2_IPV4;
+ req->ip_address.ip_address[0] = s_addr & 0x000000ff;
+ req->ip_address.ip_address[1] = (s_addr & 0x0000ff00) >> 8;
+ req->ip_address.ip_address[2] = (s_addr & 0x00ff0000) >> 16;
+ req->ip_address.ip_address[3] = (s_addr & 0xff000000) >> 24;
+ req->tcp_port = ntohs(daddr_in->sin_port);
+ beiscsi_ep->dst_addr = daddr_in->sin_addr.s_addr;
+ beiscsi_ep->dst_tcpport = ntohs(daddr_in->sin_port);
+ beiscsi_ep->ip_type = BE2_IPV4;
+ } else if (dst_addr->sa_family == PF_INET6) {
+ req->ip_address.ip_type = BE2_IPV6;
+ memcpy(&req->ip_address.ip_address,
+ &daddr_in6->sin6_addr.in6_u.u6_addr8, 16);
+ req->tcp_port = ntohs(daddr_in6->sin6_port);
+ beiscsi_ep->dst_tcpport = ntohs(daddr_in6->sin6_port);
+ memcpy(&beiscsi_ep->dst6_addr,
+ &daddr_in6->sin6_addr.in6_u.u6_addr8, 16);
+ beiscsi_ep->ip_type = BE2_IPV6;
+ } else{
+ shost_printk(KERN_ERR, phba->shost, "unknown addr family %d\n",
+ dst_addr->sa_family);
+ spin_unlock(&ctrl->mbox_lock);
+ return -EINVAL;
+
+ }
+ req->cid = cid;
+ req->cq_id = phwi_context->be_cq.id;
+ req->defq_id = def_hdr_id;
+ req->hdr_ring_id = def_hdr_id;
+ req->data_ring_id = def_data_id;
+ req->do_offload = 1;
+ req->dataout_template_pa.lo = ptemplate_address->lo;
+ req->dataout_template_pa.hi = ptemplate_address->hi;
+ status = be_mbox_notify(ctrl);
+ if (!status) {
+ struct iscsi_endpoint *ep;
+ struct tcp_connect_and_offload_out *ptcpcnct_out =
+ embedded_payload(wrb);
+
+ ep = phba->ep_array[ptcpcnct_out->cid];
+ beiscsi_ep = ep->dd_data;
+ beiscsi_ep->fw_handle = 0;
+ beiscsi_ep->cid_vld = 1;
+ SE_DEBUG(DBG_LVL_8, "mgmt_open_connection Success\n");
+ } else
+ SE_DEBUG(DBG_LVL_1, "mgmt_open_connection Failed\n");
+ spin_unlock(&ctrl->mbox_lock);
+ return status;
+}
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