[PATCH phosphor-host-ipmid v2 07/20] Add storage ipmi commands

OpenBMC Patches patches at stwcx.xyz
Wed Oct 21 23:48:08 AEDT 2015


From: Chris Austen <austenc at us.ibm.com>

---
 Makefile         |   1 +
 storagehandler.C | 200 +++++++++++++++++++++++++++++++++++++++++++++++++++++++
 storagehandler.h |  16 +++++
 3 files changed, 217 insertions(+)
 create mode 100644 storagehandler.C
 create mode 100644 storagehandler.h

diff --git a/Makefile b/Makefile
index 9ce7c8f..93d3256 100755
--- a/Makefile
+++ b/Makefile
@@ -4,6 +4,7 @@ DAEMON = ipmid
 DAEMON_OBJ  = $(DAEMON).o
 LIB_APP_OBJ = apphandler.o     \
               sensorhandler.o  \
+              storagehandler.o \
 
 LIB_APP     = libapphandler.so
 
diff --git a/storagehandler.C b/storagehandler.C
new file mode 100644
index 0000000..659fff5
--- /dev/null
+++ b/storagehandler.C
@@ -0,0 +1,200 @@
+#include "storagehandler.h"
+#include "ipmid-api.h"
+#include <stdio.h>
+#include <string.h>
+#include <stdint.h>
+
+void register_netfn_storage_functions() __attribute__((constructor));
+
+
+unsigned int   g_sel_time    = 0xFFFFFFFF;
+unsigned short g_sel_reserve = 0x1;
+
+ipmi_ret_t ipmi_storage_wildcard(ipmi_netfn_t netfn, ipmi_cmd_t cmd, 
+                              ipmi_request_t request, ipmi_response_t response, 
+                              ipmi_data_len_t data_len, ipmi_context_t context)
+{
+    printf("Handling STORAGE WILDCARD Netfn:[0x%X], Cmd:[0x%X]\n",netfn, cmd);
+    // Status code.
+    ipmi_ret_t rc = IPMI_CC_OK;
+    *data_len = 0;
+    return rc;
+}
+
+
+ipmi_ret_t ipmi_storage_set_sel_time(ipmi_netfn_t netfn, ipmi_cmd_t cmd, 
+                              ipmi_request_t request, ipmi_response_t response, 
+                              ipmi_data_len_t data_len, ipmi_context_t context)
+{
+    unsigned int *bufftype = (unsigned int *) request;
+
+    printf("Handling Set-SEL-Time:[0x%X], Cmd:[0x%X]\n",netfn, cmd);
+    printf("Data: 0x%X]\n",*bufftype);
+
+    g_sel_time = *bufftype;
+
+    ipmi_ret_t rc = IPMI_CC_OK;
+    *data_len = 0;
+    return rc;
+}
+
+struct write_fru_data_t {
+    uint8_t  frunum;
+    uint8_t  offsetls;
+    uint8_t  offsetms;
+    uint8_t  data;
+} __attribute__ ((packed)) ;
+
+ipmi_ret_t ipmi_storage_write_fru_data(ipmi_netfn_t netfn, ipmi_cmd_t cmd, 
+                              ipmi_request_t request, ipmi_response_t response, 
+                              ipmi_data_len_t data_len, ipmi_context_t context)
+{
+    write_fru_data_t *reqptr = (write_fru_data_t*) request;
+    FILE *fp;
+    char string[16];
+    short offset = 0;
+    uint16_t rlen;
+    ipmi_ret_t rc = IPMI_CC_OK;
+    char iocmd[4];
+
+    sprintf(string, "%s%02x", "/tmp/fru", reqptr->frunum);
+
+    offset = ((uint16_t)reqptr->offsetms) << 8 | reqptr->offsetls;
+
+
+    // Length is the number of request bytes minus the header itself.
+    // The header contains an extra byte to indicate the start of
+    // the data (so didn't need to worry about word/byte boundaries)
+    // hence the -1...
+    rlen = ((uint16_t)*data_len) - (sizeof(write_fru_data_t)-1);
+    
+
+    printf("IPMI WRITE-FRU-DATA for %s  Offset = %d Length = %d\n",
+        string, offset, rlen);
+
+
+    // I was thinking "ab+" but it appears it doesn't
+    // do what fseek asks.  Modify to rb+ and fseek 
+    // works great...
+    if (offset == 0) {
+        strcpy(iocmd, "wb");
+    } else {
+        strcpy(iocmd, "rb+");
+    }
+
+    if ((fp = fopen(string, iocmd)) != NULL) {
+        fseek(fp, offset, SEEK_SET);
+        fwrite(&reqptr->data,rlen,1,fp);
+        fclose(fp);
+    } else {
+        fprintf(stderr, "Error trying to write to fru file %s\n",string);
+        ipmi_ret_t rc = IPMI_CC_INVALID;        
+    }
+    
+
+    // TODO : Here is where some validation code could determine if the 
+    // fru data is a legitimate FRU record (not just a partial).  Once
+    // the record is valid the code should call a parser routine to call
+    // the various methods updating interesting properties.  Perhaps 
+    // thinigs like Model#, Serial#, DIMM Size, etc
+    
+
+    *data_len = 0;
+    
+    return rc;
+}
+
+ipmi_ret_t ipmi_storage_get_sel_info(ipmi_netfn_t netfn, ipmi_cmd_t cmd, 
+                              ipmi_request_t request, ipmi_response_t response, 
+                              ipmi_data_len_t data_len, ipmi_context_t context)
+{
+
+    ipmi_ret_t rc = IPMI_CC_OK;
+    unsigned char buf[] = {0x51,0,0,0xff, 0xff,0xff,0xff,0xff,0xff, 0xff,0xff,0xff,0xff,0x06};
+
+    printf("IPMI Handling GET-SEL-INFO\n");
+
+    *data_len = sizeof(buf);
+
+    // TODO There is plently of work here.  The SEL DB needs to hold a bunch
+    // of things in a header.  Items like Time Stamp, number of entries, etc
+    // This is one place where the dbus object with the SEL information could
+    // mimic what IPMI needs.
+
+    // Pack the actual response
+    memcpy(response, &buf, *data_len);
+
+    return rc;
+}
+
+
+
+ipmi_ret_t ipmi_storage_reserve_sel(ipmi_netfn_t netfn, ipmi_cmd_t cmd, 
+                              ipmi_request_t request, ipmi_response_t response, 
+                              ipmi_data_len_t data_len, ipmi_context_t context)
+{
+
+    ipmi_ret_t rc = IPMI_CC_OK;
+
+    printf("IPMI Handling RESERVE-SEL 0x%04x\n", g_sel_reserve);
+
+    *data_len = sizeof(g_sel_reserve);
+
+    // Pack the actual response
+    memcpy(response, &g_sel_reserve, *data_len);
+
+    return rc;
+}
+
+
+ipmi_ret_t ipmi_storage_add_sel(ipmi_netfn_t netfn, ipmi_cmd_t cmd, 
+                              ipmi_request_t request, ipmi_response_t response, 
+                              ipmi_data_len_t data_len, ipmi_context_t context)
+{
+
+    ipmi_ret_t rc = IPMI_CC_OK;
+
+    printf("IPMI Handling ADD-SEL \n");
+
+    *data_len = sizeof(g_sel_reserve);
+
+    // Pack the actual response
+    memcpy(response, &g_sel_reserve, *data_len);
+
+    // TODO This code should grab the completed partial esel located in 
+    // the /tmp/esel0100 file and commit it to the error log handler.  
+
+
+    // TODO I advanced the sel reservation number so next time HB asks
+    // for a reservation they get a new number.  This tech may change 
+    // based on how the HB team currently uses sel reservations but
+    // for now provide the ability to get new reservations 
+    g_sel_reserve++;
+
+    return rc;
+}
+
+
+
+void register_netfn_storage_functions()
+{
+    printf("Registering NetFn:[0x%X], Cmd:[0x%X]\n",NETFUN_STORAGE, IPMI_CMD_WILDCARD);
+    ipmi_register_callback(NETFUN_STORAGE, IPMI_CMD_WILDCARD, NULL, ipmi_storage_wildcard);
+
+    printf("Registering NetFn:[0x%X], Cmd:[0x%X]\n",NETFUN_STORAGE, IPMI_CMD_SET_SEL_TIME);
+    ipmi_register_callback(NETFUN_STORAGE, IPMI_CMD_SET_SEL_TIME, NULL, ipmi_storage_set_sel_time);
+
+    printf("Registering NetFn:[0x%X], Cmd:[0x%X]\n",NETFUN_STORAGE, IPMI_CMD_WRITE_FRU_DATA);
+    ipmi_register_callback(NETFUN_STORAGE, IPMI_CMD_WRITE_FRU_DATA, NULL, ipmi_storage_write_fru_data);
+
+    printf("Registering NetFn:[0x%X], Cmd:[0x%X]\n",NETFUN_STORAGE, IPMI_CMD_GET_SEL_INFO);
+    ipmi_register_callback(NETFUN_STORAGE, IPMI_CMD_GET_SEL_INFO, NULL, ipmi_storage_get_sel_info);
+
+    printf("Registering NetFn:[0x%X], Cmd:[0x%X]\n",NETFUN_STORAGE, IPMI_CMD_RESERVE_SEL);
+    ipmi_register_callback(NETFUN_STORAGE, IPMI_CMD_RESERVE_SEL, NULL, ipmi_storage_reserve_sel);
+
+    printf("Registering NetFn:[0x%X], Cmd:[0x%X]\n",NETFUN_STORAGE, IPMI_CMD_ADD_SEL);
+    ipmi_register_callback(NETFUN_STORAGE, IPMI_CMD_ADD_SEL, NULL, ipmi_storage_add_sel);
+    return;
+}
+
diff --git a/storagehandler.h b/storagehandler.h
new file mode 100644
index 0000000..56c1a8b
--- /dev/null
+++ b/storagehandler.h
@@ -0,0 +1,16 @@
+#ifndef __HOST_IPMI_STORAGE_HANDLER_H__
+#define __HOST_IPMI_STORAGE_HANDLER_H__
+
+// IPMI commands for net functions.
+enum ipmi_netfn_storage_cmds
+{
+    // Get capability bits
+    IPMI_CMD_SET_SEL_TIME   = 0x49,
+    IPMI_CMD_WRITE_FRU_DATA = 0x12,
+    IPMI_CMD_GET_SEL_INFO   = 0x40,
+    IPMI_CMD_RESERVE_SEL    = 0x42,
+    IPMI_CMD_ADD_SEL        = 0x44,
+
+};
+
+#endif
-- 
2.6.0




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