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authorStephen Cprek <smcprek@us.ibm.com>2018-01-10 16:51:09 -0600
committerDaniel M. Crowell <dcrowell@us.ibm.com>2018-01-17 11:57:12 -0500
commit26bbcd97d817453a114a43b661bceff5aa0131f2 (patch)
tree3d91980415cf096c63fab050df41c3fa8238b230 /src/include/usr
parent329b81443b43d3fd0ea2218e72f5c0139e47d184 (diff)
downloadtalos-hostboot-26bbcd97d817453a114a43b661bceff5aa0131f2.tar.gz
talos-hostboot-26bbcd97d817453a114a43b661bceff5aa0131f2.zip
Open Untrusted Communication for SP
Change-Id: I87c7fe74349521eaec6ebf373e99f13eb1bf74f8 CQ:SW412793 Backport:release-fips910 Reviewed-on: http://ralgit01.raleigh.ibm.com/gerrit1/51742 Reviewed-by: Nicholas E. Bofferding <bofferdn@us.ibm.com> Tested-by: Jenkins Server <pfd-jenkins+hostboot@us.ibm.com> Tested-by: Jenkins OP Build CI <op-jenkins+hostboot@us.ibm.com> Tested-by: Jenkins OP HW <op-hw-jenkins+hostboot@us.ibm.com> Reviewed-by: Michael Baiocchi <mbaiocch@us.ibm.com> Reviewed-by: Daniel M. Crowell <dcrowell@us.ibm.com>
Diffstat (limited to 'src/include/usr')
-rw-r--r--src/include/usr/runtime/runtime.H24
1 files changed, 22 insertions, 2 deletions
diff --git a/src/include/usr/runtime/runtime.H b/src/include/usr/runtime/runtime.H
index d8d22a8d5..f82bf63fe 100644
--- a/src/include/usr/runtime/runtime.H
+++ b/src/include/usr/runtime/runtime.H
@@ -5,7 +5,7 @@
/* */
/* OpenPOWER HostBoot Project */
/* */
-/* Contributors Listed Below - COPYRIGHT 2012,2017 */
+/* Contributors Listed Below - COPYRIGHT 2012,2018 */
/* [+] International Business Machines Corp. */
/* */
/* */
@@ -163,7 +163,17 @@ enum SectionId
RESERVED_MEM, //< Hostboot's Reserved Mainstore Memory
HRMOR_STASH, //< Pointer to address in reserved memory
// where PHYP can write HRMOR
- LAST_SECTION = HRMOR_STASH //< Placeholder for arrays
+ CPU_CTRL, // Spira-H CPU controls area
+ LAST_SECTION = CPU_CTRL //< Placeholder for arrays
+};
+
+/**
+ * Range of SBE unsecure memory region to open
+ */
+enum SbeUnsecureMemoryRegions
+{
+ SP_HOST_UNTRUSTED_COMM_AREA_ADDR = 0,
+ SP_HOST_UNTRUSTED_COMM_AREA_SIZE = 64*MEGABYTE,
};
/**
@@ -249,6 +259,16 @@ void setPayloadBaseAddress(uint64_t i_payloadAddress);
*/
void rediscover_hdat( void );
+/**
+ * @brief Open necessary unsecure SBE windows for SP -> host communication
+ * Currently opens two windows
+ * 1. CPU controls SP ATTN areas
+ * 2. SP_HOST_UNTRUSTED_COMM_AREA_ADDR
+ *
+ * @return errlHndl_t Returns nullptr on success; otherwise errlog
+ */
+errlHndl_t openUntrustedSpCommArea();
+
}
#endif
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