ipmi: introduce an ipmi_bmc_gen_event() API

It will be used to fill the message buffer with custom events expected
by some systems. Typically, an Open PowerNV platform guest is notified
with an OEM SEL message before a shutdown or a reboot.

Signed-off-by: Cédric Le Goater <clg@kaod.org>
Acked-by: Corey Minyard <cminyard@mvista.com>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>

diff --git a/hw/ipmi/ipmi_bmc_sim.c b/hw/ipmi/ipmi_bmc_sim.c
index 09213ab36fa9e83bc9462c6c6be17d1e875fa7d4..277c28cb40ed18f31bf95aa2204b97b2a57e11e2 100644 (file)
--- a/hw/ipmi/ipmi_bmc_sim.c
+++ b/hw/ipmi/ipmi_bmc_sim.c
@@ -473,6 +473,30 @@ static int attn_irq_enabled(IPMIBmcSim *ibs)
             IPMI_BMC_MSG_FLAG_EVT_BUF_FULL_SET(ibs));
 }
 
+void ipmi_bmc_gen_event(IPMIBmc *b, uint8_t *evt, bool log)
+{
+    IPMIBmcSim *ibs = IPMI_BMC_SIMULATOR(b);
+    IPMIInterface *s = ibs->parent.intf;
+    IPMIInterfaceClass *k = IPMI_INTERFACE_GET_CLASS(s);
+
+    if (!IPMI_BMC_EVENT_MSG_BUF_ENABLED(ibs)) {
+        return;
+    }
+
+    if (log && IPMI_BMC_EVENT_LOG_ENABLED(ibs)) {
+        sel_add_event(ibs, evt);
+    }
+
+    if (ibs->msg_flags & IPMI_BMC_MSG_FLAG_EVT_BUF_FULL) {
+        goto out;
+    }
+
+    memcpy(ibs->evtbuf, evt, 16);
+    ibs->msg_flags |= IPMI_BMC_MSG_FLAG_EVT_BUF_FULL;
+    k->set_atn(s, 1, attn_irq_enabled(ibs));
+ out:
+    return;
+}
 static void gen_event(IPMIBmcSim *ibs, unsigned int sens_num, uint8_t deassert,
                       uint8_t evd1, uint8_t evd2, uint8_t evd3)
 {

diff --git a/include/hw/ipmi/ipmi.h b/include/hw/ipmi/ipmi.h
index 0d36cfc6b7f3c88231b5b384e166f0b8a332fc43..0affe5a4d864bc4a495acd56611594940da53227 100644 (file)
--- a/include/hw/ipmi/ipmi.h
+++ b/include/hw/ipmi/ipmi.h
@@ -261,4 +261,6 @@ typedef uint8_t ipmi_sdr_compact_buffer[sizeof(struct ipmi_sdr_compact)];
 
 int ipmi_bmc_sdr_find(IPMIBmc *b, uint16_t recid,
                       const struct ipmi_sdr_compact **sdr, uint16_t *nextrec);
+void ipmi_bmc_gen_event(IPMIBmc *b, uint8_t *evt, bool log);
+
 #endif