123e9340bSZdenek Styblik /* 223e9340bSZdenek Styblik * Copyright (c) 2012 Pigeon Point Systems. All Rights Reserved. 323e9340bSZdenek Styblik * 423e9340bSZdenek Styblik * Redistribution and use in source and binary forms, with or without 523e9340bSZdenek Styblik * modification, are permitted provided that the following conditions 623e9340bSZdenek Styblik * are met: 723e9340bSZdenek Styblik * 823e9340bSZdenek Styblik * Redistribution of source code must retain the above copyright 923e9340bSZdenek Styblik * notice, this list of conditions and the following disclaimer. 1023e9340bSZdenek Styblik * 1123e9340bSZdenek Styblik * Redistribution in binary form must reproduce the above copyright 1223e9340bSZdenek Styblik * notice, this list of conditions and the following disclaimer in the 1323e9340bSZdenek Styblik * documentation and/or other materials provided with the distribution. 1423e9340bSZdenek Styblik * 1523e9340bSZdenek Styblik * Neither the name of Pigeon Point Systems nor the names of 1623e9340bSZdenek Styblik * contributors may be used to endorse or promote products derived 1723e9340bSZdenek Styblik * from this software without specific prior written permission. 1823e9340bSZdenek Styblik * 1923e9340bSZdenek Styblik * This software is provided "AS IS," without a warranty of any kind. 2023e9340bSZdenek Styblik * ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES, 2123e9340bSZdenek Styblik * INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A 2223e9340bSZdenek Styblik * PARTICULAR PURPOSE OR NON-INFRINGEMENT, ARE HEREBY EXCLUDED. 2323e9340bSZdenek Styblik * PIGEON POINT SYSTEMS ("PPS") AND ITS LICENSORS SHALL NOT BE LIABLE 2423e9340bSZdenek Styblik * FOR ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING 2523e9340bSZdenek Styblik * OR DISTRIBUTING THIS SOFTWARE OR ITS DERIVATIVES. IN NO EVENT WILL 2623e9340bSZdenek Styblik * PPS OR ITS LICENSORS BE LIABLE FOR ANY LOST REVENUE, PROFIT OR DATA, 2723e9340bSZdenek Styblik * OR FOR DIRECT, INDIRECT, SPECIAL, CONSEQUENTIAL, INCIDENTAL OR 2823e9340bSZdenek Styblik * PUNITIVE DAMAGES, HOWEVER CAUSED AND REGARDLESS OF THE THEORY OF 2923e9340bSZdenek Styblik * LIABILITY, ARISING OUT OF THE USE OF OR INABILITY TO USE THIS SOFTWARE, 3023e9340bSZdenek Styblik * EVEN IF PPS HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. 3123e9340bSZdenek Styblik */ 3223e9340bSZdenek Styblik 339372d2e3SJim Mankovich #include <ipmitool/bswap.h> 3423e9340bSZdenek Styblik #include <ipmitool/hpm2.h> 3523e9340bSZdenek Styblik #include <ipmitool/ipmi_intf.h> 3623e9340bSZdenek Styblik #include <ipmitool/log.h> 372c7526beSAnton Blanchard #include <ipmitool/bswap.h> 3823e9340bSZdenek Styblik 3923e9340bSZdenek Styblik #if HAVE_PRAGMA_PACK 4023e9340bSZdenek Styblik # pragma pack(push, 1) 4123e9340bSZdenek Styblik #endif 4223e9340bSZdenek Styblik 4323e9340bSZdenek Styblik /* HPM.x Get Capabilities request */ 4423e9340bSZdenek Styblik struct hpmx_cmd_get_capabilities_rq { 4523e9340bSZdenek Styblik uint8_t picmg_id; 4623e9340bSZdenek Styblik uint8_t hpmx_id; 4723e9340bSZdenek Styblik } ATTRIBUTE_PACKING; 4823e9340bSZdenek Styblik 4923e9340bSZdenek Styblik /* HPM.2 Get Capabilities response */ 5023e9340bSZdenek Styblik struct hpm2_cmd_get_capabilities_rp { 5123e9340bSZdenek Styblik uint8_t picmg_id; 5223e9340bSZdenek Styblik struct hpm2_lan_attach_capabilities caps; 5323e9340bSZdenek Styblik } ATTRIBUTE_PACKING; 5423e9340bSZdenek Styblik 5523e9340bSZdenek Styblik #if HAVE_PRAGMA_PACK 5623e9340bSZdenek Styblik # pragma pack(pop) 5723e9340bSZdenek Styblik #endif 5823e9340bSZdenek Styblik 5923e9340bSZdenek Styblik /* IPMI Get LAN Configuration Parameters command */ 6023e9340bSZdenek Styblik #define IPMI_LAN_GET_CONFIG 0x02 6123e9340bSZdenek Styblik 6223e9340bSZdenek Styblik int hpm2_get_capabilities(struct ipmi_intf * intf, 6323e9340bSZdenek Styblik struct hpm2_lan_attach_capabilities * caps) 6423e9340bSZdenek Styblik { 6523e9340bSZdenek Styblik struct ipmi_rq req; 6623e9340bSZdenek Styblik struct ipmi_rs * rsp; 6723e9340bSZdenek Styblik struct hpmx_cmd_get_capabilities_rq rq; 6823e9340bSZdenek Styblik 6923e9340bSZdenek Styblik /* reset result */ 7023e9340bSZdenek Styblik memset(caps, 0, sizeof(struct hpm2_lan_attach_capabilities)); 7123e9340bSZdenek Styblik 7223e9340bSZdenek Styblik /* prepare request */ 7323e9340bSZdenek Styblik rq.picmg_id = 0; 7423e9340bSZdenek Styblik rq.hpmx_id = 2; 7523e9340bSZdenek Styblik 7623e9340bSZdenek Styblik /* prepare request */ 7723e9340bSZdenek Styblik memset(&req, 0, sizeof(req)); 7823e9340bSZdenek Styblik req.msg.netfn = IPMI_NETFN_PICMG; 7923e9340bSZdenek Styblik req.msg.cmd = HPM2_GET_LAN_ATTACH_CAPABILITIES; 8023e9340bSZdenek Styblik req.msg.data = (uint8_t *)&rq; 8123e9340bSZdenek Styblik req.msg.data_len = sizeof(rq); 8223e9340bSZdenek Styblik 8323e9340bSZdenek Styblik 8423e9340bSZdenek Styblik /* send */ 8523e9340bSZdenek Styblik rsp = intf->sendrecv(intf, &req); 8623e9340bSZdenek Styblik 8723e9340bSZdenek Styblik if (!rsp) { 8823e9340bSZdenek Styblik lprintf(LOG_NOTICE, "Error sending request."); 8923e9340bSZdenek Styblik return -1; 9023e9340bSZdenek Styblik } 9123e9340bSZdenek Styblik 9223e9340bSZdenek Styblik if (rsp->ccode == 0xC1) { 9323e9340bSZdenek Styblik lprintf(LOG_DEBUG, "IPM Controller is not HPM.2 compatible"); 9423e9340bSZdenek Styblik return rsp->ccode; 9523e9340bSZdenek Styblik } else if (rsp->ccode) { 9623e9340bSZdenek Styblik lprintf(LOG_NOTICE, "Get HPM.x Capabilities request failed," 9723e9340bSZdenek Styblik " compcode = %x", rsp->ccode); 9823e9340bSZdenek Styblik return rsp->ccode; 9923e9340bSZdenek Styblik } 10023e9340bSZdenek Styblik 10123e9340bSZdenek Styblik /* check response length */ 10223e9340bSZdenek Styblik if (rsp->data_len < 2 || rsp->data_len > 10) { 10323e9340bSZdenek Styblik lprintf(LOG_NOTICE, "Bad response length, len=%d", rsp->data_len); 10423e9340bSZdenek Styblik return -1; 10523e9340bSZdenek Styblik } 10623e9340bSZdenek Styblik 10723e9340bSZdenek Styblik /* check HPM.x identifier */ 10823e9340bSZdenek Styblik if (rsp->data[1] != 2) { 10923e9340bSZdenek Styblik lprintf(LOG_NOTICE, "Bad HPM.x ID, id=%d", rsp->data[1]); 11023e9340bSZdenek Styblik return rsp->ccode; 11123e9340bSZdenek Styblik } 11223e9340bSZdenek Styblik 11323e9340bSZdenek Styblik /* 11423e9340bSZdenek Styblik * this hardly can happen, since completion code is already checked. 11523e9340bSZdenek Styblik * but check for safety 11623e9340bSZdenek Styblik */ 11723e9340bSZdenek Styblik if (rsp->data_len < 4) { 11823e9340bSZdenek Styblik lprintf(LOG_NOTICE, "Bad response length, len=%d", rsp->data_len); 11923e9340bSZdenek Styblik return -1; 12023e9340bSZdenek Styblik } 12123e9340bSZdenek Styblik 12223e9340bSZdenek Styblik /* copy HPM.2 capabilities */ 12323e9340bSZdenek Styblik memcpy(caps, rsp->data + 2, rsp->data_len - 2); 12423e9340bSZdenek Styblik 12523e9340bSZdenek Styblik #if WORDS_BIGENDIAN 12623e9340bSZdenek Styblik /* swap bytes to convert from little-endian format */ 12723e9340bSZdenek Styblik caps->lan_channel_mask = BSWAP_16(caps->lan_channel_mask); 12823e9340bSZdenek Styblik #endif 12923e9340bSZdenek Styblik 13023e9340bSZdenek Styblik /* check HPM.2 revision */ 13123e9340bSZdenek Styblik if (caps->hpm2_revision_id != HPM2_REVISION) { 13223e9340bSZdenek Styblik lprintf(LOG_NOTICE, "Bad HPM.2 revision, rev=%d", 13323e9340bSZdenek Styblik caps->hpm2_revision_id); 13423e9340bSZdenek Styblik return -1; 13523e9340bSZdenek Styblik } 13623e9340bSZdenek Styblik 13723e9340bSZdenek Styblik if (!caps->lan_channel_mask) { 13823e9340bSZdenek Styblik return -1; 13923e9340bSZdenek Styblik } 14023e9340bSZdenek Styblik 14123e9340bSZdenek Styblik /* check response length */ 14223e9340bSZdenek Styblik if (rsp->data_len < 8) { 14323e9340bSZdenek Styblik lprintf(LOG_NOTICE, "Bad response length, len=%d", rsp->data_len); 14423e9340bSZdenek Styblik return -1; 14523e9340bSZdenek Styblik } 14623e9340bSZdenek Styblik 14723e9340bSZdenek Styblik /* check HPM.2 LAN parameters start */ 14823e9340bSZdenek Styblik if (caps->hpm2_lan_params_start < 0xC0) { 14923e9340bSZdenek Styblik lprintf(LOG_NOTICE, "Bad HPM.2 LAN params start, start=%x", 15023e9340bSZdenek Styblik caps->hpm2_lan_params_start); 15123e9340bSZdenek Styblik return -1; 15223e9340bSZdenek Styblik } 15323e9340bSZdenek Styblik 15423e9340bSZdenek Styblik /* check HPM.2 LAN parameters revision */ 15523e9340bSZdenek Styblik if (caps->hpm2_lan_params_rev != HPM2_LAN_PARAMS_REV) { 15623e9340bSZdenek Styblik lprintf(LOG_NOTICE, "Bad HPM.2 LAN params revision, rev=%d", 15723e9340bSZdenek Styblik caps->hpm2_lan_params_rev); 15823e9340bSZdenek Styblik return -1; 15923e9340bSZdenek Styblik } 16023e9340bSZdenek Styblik 16123e9340bSZdenek Styblik /* check for HPM.2 SOL extension */ 16223e9340bSZdenek Styblik if (!(caps->hpm2_caps & HPM2_CAPS_SOL_EXTENSION)) { 16323e9340bSZdenek Styblik /* no further checks */ 16423e9340bSZdenek Styblik return 0; 16523e9340bSZdenek Styblik } 16623e9340bSZdenek Styblik 16723e9340bSZdenek Styblik /* check response length */ 16823e9340bSZdenek Styblik if (rsp->data_len < 10) { 16923e9340bSZdenek Styblik lprintf(LOG_NOTICE, "Bad response length, len=%d", rsp->data_len); 17023e9340bSZdenek Styblik return -1; 17123e9340bSZdenek Styblik } 17223e9340bSZdenek Styblik 17323e9340bSZdenek Styblik /* check HPM.2 SOL parameters start */ 17423e9340bSZdenek Styblik if (caps->hpm2_sol_params_start < 0xC0) { 17523e9340bSZdenek Styblik lprintf(LOG_NOTICE, "Bad HPM.2 SOL params start, start=%x", 17623e9340bSZdenek Styblik caps->hpm2_sol_params_start); 17723e9340bSZdenek Styblik return -1; 17823e9340bSZdenek Styblik } 17923e9340bSZdenek Styblik 18023e9340bSZdenek Styblik /* check HPM.2 SOL parameters revision */ 18123e9340bSZdenek Styblik if (caps->hpm2_sol_params_rev != HPM2_SOL_PARAMS_REV) { 18223e9340bSZdenek Styblik lprintf(LOG_NOTICE, "Bad HPM.2 SOL params revision, rev=%d", 18323e9340bSZdenek Styblik caps->hpm2_sol_params_rev); 18423e9340bSZdenek Styblik return -1; 18523e9340bSZdenek Styblik } 18623e9340bSZdenek Styblik 18723e9340bSZdenek Styblik return 0; 18823e9340bSZdenek Styblik } 18923e9340bSZdenek Styblik 19023e9340bSZdenek Styblik int hpm2_get_lan_channel_capabilities(struct ipmi_intf * intf, 19123e9340bSZdenek Styblik uint8_t hpm2_lan_params_start, 19223e9340bSZdenek Styblik struct hpm2_lan_channel_capabilities * caps) 19323e9340bSZdenek Styblik { 19423e9340bSZdenek Styblik struct ipmi_rq req; 19523e9340bSZdenek Styblik struct ipmi_rs * rsp; 19623e9340bSZdenek Styblik uint8_t rq[4]; 19723e9340bSZdenek Styblik 19823e9340bSZdenek Styblik /* reset result */ 19923e9340bSZdenek Styblik memset(caps, 0, sizeof(struct hpm2_lan_channel_capabilities)); 20023e9340bSZdenek Styblik 20123e9340bSZdenek Styblik /* prepare request */ 20223e9340bSZdenek Styblik memset(&req, 0, sizeof(req)); 20323e9340bSZdenek Styblik req.msg.netfn = IPMI_NETFN_TRANSPORT; 20423e9340bSZdenek Styblik req.msg.cmd = IPMI_LAN_GET_CONFIG; 20523e9340bSZdenek Styblik req.msg.data = (uint8_t *)&rq; 20623e9340bSZdenek Styblik req.msg.data_len = sizeof(rq); 20723e9340bSZdenek Styblik 20823e9340bSZdenek Styblik /* prepare request data */ 20923e9340bSZdenek Styblik rq[0] = 0xE; /* sending channel */ 21023e9340bSZdenek Styblik rq[1] = hpm2_lan_params_start; /* HPM.2 Channel Caps */ 21123e9340bSZdenek Styblik rq[2] = rq[3] = 0; 21223e9340bSZdenek Styblik 21323e9340bSZdenek Styblik /* send */ 21423e9340bSZdenek Styblik rsp = intf->sendrecv(intf, &req); 21523e9340bSZdenek Styblik 216*1cf65c32SZdenek Styblik if (!rsp) { 217*1cf65c32SZdenek Styblik lprintf(LOG_NOTICE, "Error sending request."); 21823e9340bSZdenek Styblik return -1; 21923e9340bSZdenek Styblik } 22023e9340bSZdenek Styblik 22123e9340bSZdenek Styblik if (rsp->ccode == 0x80) { 22223e9340bSZdenek Styblik lprintf(LOG_DEBUG, "HPM.2 Channel Caps parameter is not supported"); 22323e9340bSZdenek Styblik return rsp->ccode; 22423e9340bSZdenek Styblik } else if (rsp->ccode) { 22523e9340bSZdenek Styblik lprintf(LOG_NOTICE, "Get LAN Configuration Parameters request failed," 22623e9340bSZdenek Styblik " compcode = %x", rsp->ccode); 22723e9340bSZdenek Styblik return rsp->ccode; 22823e9340bSZdenek Styblik } 22923e9340bSZdenek Styblik 23023e9340bSZdenek Styblik /* check response length */ 23123e9340bSZdenek Styblik if (rsp->data_len != sizeof (struct hpm2_lan_channel_capabilities) + 1) { 23223e9340bSZdenek Styblik lprintf(LOG_NOTICE, "Bad response length, len=%d", rsp->data_len); 23323e9340bSZdenek Styblik return -1; 23423e9340bSZdenek Styblik } 23523e9340bSZdenek Styblik 23623e9340bSZdenek Styblik /* check parameter revision */ 2379372d2e3SJim Mankovich if (rsp->data[0] != 2389372d2e3SJim Mankovich LAN_PARAM_REV(HPM2_LAN_PARAMS_REV, HPM2_LAN_PARAMS_REV)) { 23923e9340bSZdenek Styblik lprintf(LOG_NOTICE, "Bad HPM.2 LAN parameter revision, rev=%d", 24023e9340bSZdenek Styblik rsp->data[0]); 24123e9340bSZdenek Styblik return -1; 24223e9340bSZdenek Styblik } 24323e9340bSZdenek Styblik 24423e9340bSZdenek Styblik /* copy parameter data */ 24523e9340bSZdenek Styblik memcpy(caps, &rsp->data[1], sizeof (struct hpm2_lan_channel_capabilities)); 24623e9340bSZdenek Styblik 24723e9340bSZdenek Styblik #if WORDS_BIGENDIAN 24823e9340bSZdenek Styblik /* swap bytes to convert from little-endian format */ 24923e9340bSZdenek Styblik caps->max_inbound_pld_size = BSWAP_16(caps->max_inbound_pld_size); 25023e9340bSZdenek Styblik caps->max_outbound_pld_size = BSWAP_16(caps->max_outbound_pld_size); 25123e9340bSZdenek Styblik #endif 25223e9340bSZdenek Styblik 25323e9340bSZdenek Styblik return 0; 25423e9340bSZdenek Styblik } 25523e9340bSZdenek Styblik 25623e9340bSZdenek Styblik int hpm2_detect_max_payload_size(struct ipmi_intf * intf) 25723e9340bSZdenek Styblik { 25823e9340bSZdenek Styblik struct hpm2_lan_attach_capabilities attach_caps; 25923e9340bSZdenek Styblik struct hpm2_lan_channel_capabilities channel_caps; 26023e9340bSZdenek Styblik int err; 26123e9340bSZdenek Styblik 26223e9340bSZdenek Styblik /* query HPM.2 support */ 26323e9340bSZdenek Styblik err = hpm2_get_capabilities(intf, &attach_caps); 26423e9340bSZdenek Styblik 26523e9340bSZdenek Styblik /* check if HPM.2 is supported */ 26623e9340bSZdenek Styblik if (err != 0 || !attach_caps.lan_channel_mask) { 26723e9340bSZdenek Styblik return err; 26823e9340bSZdenek Styblik } 26923e9340bSZdenek Styblik 27023e9340bSZdenek Styblik /* query channel capabilities */ 27123e9340bSZdenek Styblik err = hpm2_get_lan_channel_capabilities(intf, 27223e9340bSZdenek Styblik attach_caps.hpm2_lan_params_start, &channel_caps); 27323e9340bSZdenek Styblik 27423e9340bSZdenek Styblik /* check if succeeded */ 27523e9340bSZdenek Styblik if (err != 0) { 27623e9340bSZdenek Styblik return err; 27723e9340bSZdenek Styblik } 27823e9340bSZdenek Styblik 27923e9340bSZdenek Styblik /* update request and response sizes */ 28023e9340bSZdenek Styblik ipmi_intf_set_max_request_data_size(intf, 28123e9340bSZdenek Styblik channel_caps.max_inbound_pld_size - 7); 28223e9340bSZdenek Styblik ipmi_intf_set_max_response_data_size(intf, 28323e9340bSZdenek Styblik channel_caps.max_outbound_pld_size - 8); 28423e9340bSZdenek Styblik 28523e9340bSZdenek Styblik /* print debug info */ 28623e9340bSZdenek Styblik lprintf(LOG_DEBUG, "Set maximum request size to %d\n" 28723e9340bSZdenek Styblik "Set maximum response size to %d", 28823e9340bSZdenek Styblik intf->max_request_data_size, intf->max_response_data_size); 28923e9340bSZdenek Styblik 29023e9340bSZdenek Styblik return 0; 29123e9340bSZdenek Styblik } 292