summaryrefslogtreecommitdiffstats
path: root/src/import/chips/p9/procedures/hwp/memory/lib/utils/find_magic.H
diff options
context:
space:
mode:
authorAndre Marin <aamarin@us.ibm.com>2019-07-17 23:42:23 -0400
committerChristian R Geddes <crgeddes@us.ibm.com>2019-08-01 17:12:06 -0500
commit06ed7403d044d8a0776440019ec8e893dd7661ae (patch)
treea206cf8ccd38fc690f5bddca17624c23bc3411f9 /src/import/chips/p9/procedures/hwp/memory/lib/utils/find_magic.H
parented0430e908b272919b9bb5ac48bc8d9314b81238 (diff)
downloadtalos-hostboot-06ed7403d044d8a0776440019ec8e893dd7661ae.tar.gz
talos-hostboot-06ed7403d044d8a0776440019ec8e893dd7661ae.zip
Move find_magic from generic to Nimbus subdir path
Change-Id: Ie963953758cc178432e096057240d7ab5c82d7ac Reviewed-on: http://rchgit01.rchland.ibm.com/gerrit1/80595 Tested-by: FSP CI Jenkins <fsp-CI-jenkins+hostboot@us.ibm.com> Tested-by: Jenkins Server <pfd-jenkins+hostboot@us.ibm.com> Reviewed-by: Louis Stermole <stermole@us.ibm.com> Reviewed-by: Mark Pizzutillo <mark.pizzutillo@ibm.com> Tested-by: Hostboot CI <hostboot-ci+hostboot@us.ibm.com> Reviewed-by: Jennifer A Stofer <stofer@us.ibm.com> Reviewed-on: http://rchgit01.rchland.ibm.com/gerrit1/80935 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: Christian R Geddes <crgeddes@us.ibm.com>
Diffstat (limited to 'src/import/chips/p9/procedures/hwp/memory/lib/utils/find_magic.H')
-rw-r--r--src/import/chips/p9/procedures/hwp/memory/lib/utils/find_magic.H140
1 files changed, 140 insertions, 0 deletions
diff --git a/src/import/chips/p9/procedures/hwp/memory/lib/utils/find_magic.H b/src/import/chips/p9/procedures/hwp/memory/lib/utils/find_magic.H
new file mode 100644
index 000000000..3c8a385c4
--- /dev/null
+++ b/src/import/chips/p9/procedures/hwp/memory/lib/utils/find_magic.H
@@ -0,0 +1,140 @@
+/* IBM_PROLOG_BEGIN_TAG */
+/* This is an automatically generated prolog. */
+/* */
+/* $Source: src/import/chips/p9/procedures/hwp/memory/lib/utils/find_magic.H $ */
+/* */
+/* OpenPOWER HostBoot Project */
+/* */
+/* Contributors Listed Below - COPYRIGHT 2019 */
+/* [+] International Business Machines Corp. */
+/* */
+/* */
+/* Licensed under the Apache License, Version 2.0 (the "License"); */
+/* you may not use this file except in compliance with the License. */
+/* You may obtain a copy of the License at */
+/* */
+/* http://www.apache.org/licenses/LICENSE-2.0 */
+/* */
+/* Unless required by applicable law or agreed to in writing, software */
+/* distributed under the License is distributed on an "AS IS" BASIS, */
+/* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or */
+/* implied. See the License for the specific language governing */
+/* permissions and limitations under the License. */
+/* */
+/* IBM_PROLOG_END_TAG */
+
+#ifndef _MSS_FIND_WITH_MAGIC_H
+#define _MSS_FIND_WITH_MAGIC_H
+
+#include <fapi2.H>
+#include <vector>
+#include <generic/memory/lib/utils/pos.H>
+#include <generic/memory/lib/utils/c_str.H>
+#include <generic/memory/lib/utils/find.H>
+
+namespace mss
+{
+
+///
+/// @brief find the union of functionl targets and any magic targets
+/// @note The PHY has a logic block which is only contained in the 0th PHY in the controller.
+/// This makes the 0th PHY 'magic' in that it needs to always be present if not functional.
+/// This function returns all functional targets and includes the magic target whether or not
+/// it is truly functional.
+/// @tparam M the target type to be returned
+/// @tparam T the fapi2 target type of the argument
+/// @param[in] i_target the fapi2 target T
+/// @return a vector of M targets.
+///
+template< fapi2::TargetType M, fapi2::TargetType T >
+inline std::vector< fapi2::Target<M> > find_targets_with_magic( const fapi2::Target<T>& i_target);
+
+///
+/// @brief find a set of magic elements based on a fapi2 target
+/// @note The PHY has a logic block which is only contained in the 0th PHY in the controller.
+/// This makes the 0th PHY 'magic' in that it needs to always be present if not functional.
+/// This function returns all magic targets whether or not it is truly functional.
+/// It does not include other functional or present targets.
+/// @tparam M the target type to be returned
+/// @tparam T the fapi2 target type of the argument
+/// @param[in] i_target the fapi2 target T
+/// @return a vector of M targets.
+///
+template< fapi2::TargetType M, fapi2::TargetType T >
+inline std::vector< fapi2::Target<M> > find_magic_targets( const fapi2::Target<T>& i_target);
+
+///
+/// @brief find the magic MCA connected to an MCBIST
+/// @param[in] i_target the fapi2::Target MCBIST
+/// @return a vector of fapi2::TARGET_TYPE_MCA
+///
+template<>
+inline std::vector< fapi2::Target<fapi2::TARGET_TYPE_MCA> >
+find_magic_targets(const fapi2::Target<fapi2::TARGET_TYPE_MCBIST>& i_target)
+{
+ // The magic port is in position 0, relative to the MCBIST
+ constexpr uint64_t RELATIVE_MAGIC_POS = 0;
+
+ // This is only one magic MCA on every MCBIST, so we only return a vector of one
+ std::vector<fapi2::Target<fapi2::TARGET_TYPE_MCA>> l_magic_ports;
+
+ // Get all the present MCA children and find the target with the relative position of 0
+ for (const auto& p : i_target.getChildren<fapi2::TARGET_TYPE_MCA>(fapi2::TARGET_STATE_PRESENT))
+ {
+ if (mss::relative_pos<fapi2::TARGET_TYPE_MCBIST>(p) == RELATIVE_MAGIC_POS)
+ {
+ l_magic_ports.push_back(p);
+ }
+ }
+
+ // We don't care if the vector is empty. We don't know what the caller will do with this
+ // and they might not care if there is no magic port either ...
+ return l_magic_ports;
+}
+
+///
+/// @brief find the union of functionl targets and any magic targets
+/// @param[in] i_target the fapi2::Target MCBIST
+/// @return a vector of i2::Target<fapi2::TARGET_TYPE_MCA>
+///
+template<>
+inline std::vector< fapi2::Target<fapi2::TARGET_TYPE_MCA> >
+find_targets_with_magic( const fapi2::Target<fapi2::TARGET_TYPE_MCBIST>& i_target)
+{
+ // We need the union of the functional target list and the magic target list. We can
+ // get a little tricky with the MCA's - we know there's only one magic port.
+ // So if the one magic port isn't in the list of functional ports, add it
+ auto l_magic_ports = find_magic_targets<fapi2::TARGET_TYPE_MCA>(i_target);
+
+ if (l_magic_ports.size() != 1)
+ {
+ FAPI_ERR("Found wrong number of magic ports on %s (%d)", mss::c_str(i_target), l_magic_ports.size());
+ fapi2::Assert(false);
+ }
+
+ auto l_ports = mss::find_targets<fapi2::TARGET_TYPE_MCA>(i_target);
+ const auto l_magic_pos = mss::relative_pos<fapi2::TARGET_TYPE_MCBIST>(l_magic_ports[0]);
+ const auto l_magic_port = std::find_if(l_ports.begin(), l_ports.end(),
+ [&l_magic_pos](const fapi2::Target<fapi2::TARGET_TYPE_MCA>& t)
+ {
+ // Check ports by relative position.
+ const auto l_pos = mss::relative_pos<fapi2::TARGET_TYPE_MCBIST>(t);
+ FAPI_DBG("checking for magic port at %d candidate is %d", l_magic_pos, l_pos);
+ return l_magic_pos == l_pos;
+ });
+
+ if (l_magic_port == l_ports.end())
+ {
+ // Add the magic port to the front of the port vector.
+ FAPI_DBG("inserting magic port %d", l_magic_pos);
+ l_ports.insert(l_ports.begin(), l_magic_ports[0]);
+ }
+
+ // In either case, l_ports is the proper thing to return. Either the magic port was in
+ // l_ports or it is now because we inserted it.
+ return l_ports;
+}
+
+}// mss
+
+#endif
OpenPOWER on IntegriCloud