powerpc/powernv: Define real-mode versions of OPAL XICS accessors

This defines real-mode versions of opal_int_get_xirr(), opal_int_eoi()
and opal_int_set_mfrr(), for use by KVM real-mode code.

It also exports opal_int_set_mfrr() so that the modular part of KVM
can use it to send IPIs.

Signed-off-by: Paul Mackerras <paulus@ozlabs.org>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>

diff --git a/arch/powerpc/include/asm/opal.h b/arch/powerpc/include/asm/opal.h
index e958b70..5c7db0f 100644 (file)
--- a/arch/powerpc/include/asm/opal.h
+++ b/arch/powerpc/include/asm/opal.h
@@ -220,9 +220,12 @@ int64_t opal_pci_set_power_state(uint64_t async_token, uint64_t id,
 int64_t opal_pci_poll2(uint64_t id, uint64_t data);
 
 int64_t opal_int_get_xirr(uint32_t *out_xirr, bool just_poll);
+int64_t opal_rm_int_get_xirr(__be32 *out_xirr, bool just_poll);
 int64_t opal_int_set_cppr(uint8_t cppr);
 int64_t opal_int_eoi(uint32_t xirr);
+int64_t opal_rm_int_eoi(uint32_t xirr);
 int64_t opal_int_set_mfrr(uint32_t cpu, uint8_t mfrr);
+int64_t opal_rm_int_set_mfrr(uint32_t cpu, uint8_t mfrr);
 int64_t opal_pci_tce_kill(uint64_t phb_id, uint32_t kill_type,
                          uint32_t pe_num, uint32_t tce_size,
                          uint64_t dma_addr, uint32_t npages);

diff --git a/arch/powerpc/platforms/powernv/opal-wrappers.S b/arch/powerpc/platforms/powernv/opal-wrappers.S
index 44d2d84..3aa40f1 100644 (file)
--- a/arch/powerpc/platforms/powernv/opal-wrappers.S
+++ b/arch/powerpc/platforms/powernv/opal-wrappers.S
@@ -304,8 +304,11 @@ OPAL_CALL(opal_pci_get_presence_state,             OPAL_PCI_GET_PRESENCE_STATE);
 OPAL_CALL(opal_pci_get_power_state,            OPAL_PCI_GET_POWER_STATE);
 OPAL_CALL(opal_pci_set_power_state,            OPAL_PCI_SET_POWER_STATE);
 OPAL_CALL(opal_int_get_xirr,                   OPAL_INT_GET_XIRR);
+OPAL_CALL_REAL(opal_rm_int_get_xirr,           OPAL_INT_GET_XIRR);
 OPAL_CALL(opal_int_set_cppr,                   OPAL_INT_SET_CPPR);
 OPAL_CALL(opal_int_eoi,                                OPAL_INT_EOI);
+OPAL_CALL_REAL(opal_rm_int_eoi,                        OPAL_INT_EOI);
 OPAL_CALL(opal_int_set_mfrr,                   OPAL_INT_SET_MFRR);
+OPAL_CALL_REAL(opal_rm_int_set_mfrr,           OPAL_INT_SET_MFRR);
 OPAL_CALL(opal_pci_tce_kill,                   OPAL_PCI_TCE_KILL);
 OPAL_CALL_REAL(opal_rm_pci_tce_kill,           OPAL_PCI_TCE_KILL);

diff --git a/arch/powerpc/platforms/powernv/opal.c b/arch/powerpc/platforms/powernv/opal.c
index 6c9a65b..b3b8930 100644 (file)
--- a/arch/powerpc/platforms/powernv/opal.c
+++ b/arch/powerpc/platforms/powernv/opal.c
@@ -896,3 +896,5 @@ EXPORT_SYMBOL_GPL(opal_leds_get_ind);
 EXPORT_SYMBOL_GPL(opal_leds_set_ind);
 /* Export this symbol for PowerNV Operator Panel class driver */
 EXPORT_SYMBOL_GPL(opal_write_oppanel_async);
+/* Export this for KVM */
+EXPORT_SYMBOL_GPL(opal_int_set_mfrr);