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authorOliver O'Halloran <oohall@gmail.com>2018-10-15 10:18:27 +1100
committerMichael Ellerman <mpe@ellerman.id.au>2018-10-19 00:56:17 +1100
commit4c5d87db497832c493ed296157bd1749dddc69f1 (patch)
tree34a3f35c2fa01a60110a6b5839452091839bbd6c /arch/powerpc/include/asm/rtas.h
parent422123ccb9a13dcea2e008194ae6c262fbb64604 (diff)
downloadlinux-4c5d87db497832c493ed296157bd1749dddc69f1.tar.bz2
powerpc/pseries: PAPR persistent memory support
This patch implements support for discovering storage class memory devices at boot and for handling hotplug of new regions via RTAS hotplug events. Signed-off-by: Oliver O'Halloran <oohall@gmail.com> [mpe: Fix CONFIG_MEMORY_HOTPLUG=n build] Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Diffstat (limited to 'arch/powerpc/include/asm/rtas.h')
-rw-r--r--arch/powerpc/include/asm/rtas.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/powerpc/include/asm/rtas.h b/arch/powerpc/include/asm/rtas.h
index 0183e9595acc..bb38dd67d47d 100644
--- a/arch/powerpc/include/asm/rtas.h
+++ b/arch/powerpc/include/asm/rtas.h
@@ -125,6 +125,7 @@ struct rtas_suspend_me_data {
#define RTAS_TYPE_INFO 0xE2
#define RTAS_TYPE_DEALLOC 0xE3
#define RTAS_TYPE_DUMP 0xE4
+#define RTAS_TYPE_HOTPLUG 0xE5
/* I don't add PowerMGM events right now, this is a different topic */
#define RTAS_TYPE_PMGM_POWER_SW_ON 0x60
#define RTAS_TYPE_PMGM_POWER_SW_OFF 0x61
@@ -329,6 +330,7 @@ struct pseries_hp_errorlog {
#define PSERIES_HP_ELOG_RESOURCE_MEM 2
#define PSERIES_HP_ELOG_RESOURCE_SLOT 3
#define PSERIES_HP_ELOG_RESOURCE_PHB 4
+#define PSERIES_HP_ELOG_RESOURCE_PMEM 6
#define PSERIES_HP_ELOG_ACTION_ADD 1
#define PSERIES_HP_ELOG_ACTION_REMOVE 2