1 #include <libpdbg.h>
2 
3 #include <attn/attn_common.hpp>
4 #include <attn/attn_logging.hpp>
5 #include <sdbusplus/bus.hpp>
6 #include <util/pdbg.hpp>
7 
8 #include <iomanip>
9 #include <iostream>
10 #include <map>
11 
12 namespace attn
13 {
14 
15 /** @brief Transition the host state */
16 void transitionHost(const HostState i_hostState)
17 {
18     // The host quiesce code will handle the instruction-stop task(s)
19     // thread_stop_all(); // in libpdbg
20 
21     // We will be transitioning host by starting appropriate dbus target
22     std::string target = "obmc-host-quiesce@0.target"; // quiesce is default
23 
24     // crash (mpipl) mode state requested
25     if (HostState::Crash == i_hostState)
26     {
27         target = "obmc-host-crash@0.target";
28     }
29 
30     auto bus    = sdbusplus::bus::new_system();
31     auto method = bus.new_method_call(
32         "org.freedesktop.systemd1", "/org/freedesktop/systemd1",
33         "org.freedesktop.systemd1.Manager", "StartUnit");
34 
35     method.append(target);    // target unit to start
36     method.append("replace"); // mode = replace conflicting queued jobs
37 
38     bus.call_noreply(method); // start the service
39 }
40 
41 /** @brief Traces some regs for hostboot */
42 void addHbStatusRegs()
43 {
44     // Only do this for P10 systems
45     if (util::pdbg::queryHardwareAnalysisSupported())
46     {
47         // We only need this for PRIMARY processor
48         pdbg_target* pibTarget = pdbg_target_from_path(nullptr, "/proc0/pib");
49         pdbg_target* fsiTarget = pdbg_target_from_path(nullptr, "/proc0/fsi");
50 
51         uint32_t l_cfamData  = 0xFFFFFFFF;
52         uint64_t l_scomData1 = 0xFFFFFFFFFFFFFFFFull;
53         uint64_t l_scomData2 = 0xFFFFFFFFFFFFFFFFull;
54         uint32_t l_cfamAddr  = 0x283C;
55         uint64_t l_scomAddr1 = 0x4602F489;
56         uint64_t l_scomAddr2 = 0x4602F487;
57 
58         if ((nullptr != fsiTarget) && (nullptr != pibTarget))
59         {
60             // get first debug reg (CFAM)
61             if (RC_SUCCESS != fsi_read(fsiTarget, l_cfamAddr, &l_cfamData))
62             {
63                 eventAttentionFail((int)AttnSection::addHbStatusRegs |
64                                    ATTN_PDBG_CFAM);
65                 l_cfamData = 0xFFFFFFFF;
66             }
67 
68             // Get SCOM regs next (just 2 of them)
69             if (RC_SUCCESS != pib_read(pibTarget, l_scomAddr1, &l_scomData1))
70             {
71                 eventAttentionFail((int)AttnSection::addHbStatusRegs |
72                                    ATTN_PDBG_SCOM);
73                 l_scomData1 = 0xFFFFFFFFFFFFFFFFull;
74             }
75 
76             if (RC_SUCCESS != pib_read(pibTarget, l_scomAddr2, &l_scomData2))
77             {
78                 eventAttentionFail((int)AttnSection::addHbStatusRegs |
79                                    ATTN_PDBG_SCOM);
80                 l_scomData2 = 0xFFFFFFFFFFFFFFFFull;
81             }
82         }
83 
84         // Trace out the results here of all 3 regs
85         // (Format should resemble FSP: HostBoot Reg:0000283C  Data:AA801504
86         // 00000000  Proc:00050001 )
87         std::stringstream ss1, ss2, ss3;
88 
89         ss1 << "HostBoot Reg:" << std::setw(8) << std::setfill('0') << std::hex
90             << l_cfamAddr << " Data:" << l_cfamData << " Proc:00000000";
91 
92         ss2 << "HostBoot Reg:" << std::setw(8) << std::setfill('0') << std::hex
93             << l_scomAddr1 << " Data:" << std::setw(16) << l_scomData1
94             << " Proc:00000000";
95 
96         ss3 << "HostBoot Reg:" << std::setw(8) << std::setfill('0') << std::hex
97             << l_scomAddr2 << " Data:" << std::setw(16) << l_scomData2
98             << " Proc:00000000";
99 
100         std::string strobj1 = ss1.str();
101         std::string strobj2 = ss2.str();
102         std::string strobj3 = ss3.str();
103 
104         trace<level::INFO>(strobj1.c_str());
105         trace<level::INFO>(strobj2.c_str());
106         trace<level::INFO>(strobj3.c_str());
107     }
108 
109     return;
110 
111 } // end addHbStatusRegs
112 
113 } // namespace attn
114