[PATCH v2 03/27] powerpc: Add OPAL calls for LPC memory alloc/release
From: Alastair D'Silva <hidden>
Date: 2019-12-03 03:48:33
Also in:
linux-mm, lkml, nvdimm
Subsystem:
linux for powerpc (32-bit and 64-bit), the rest · Maintainers:
Madhavan Srinivasan, Michael Ellerman, Linus Torvalds
From: Alastair D'Silva <redacted> Add OPAL calls for LPC memory alloc/release Signed-off-by: Alastair D'Silva <redacted> Acked-by: Andrew Donnellan <redacted> Acked-by: Frederic Barrat <redacted> --- arch/powerpc/include/asm/opal-api.h | 2 ++ arch/powerpc/include/asm/opal.h | 3 +++ arch/powerpc/platforms/powernv/opal-call.c | 2 ++ 3 files changed, 7 insertions(+)
diff --git a/arch/powerpc/include/asm/opal-api.h b/arch/powerpc/include/asm/opal-api.h
index 378e3997845a..2c88c02e69ed 100644
--- a/arch/powerpc/include/asm/opal-api.h
+++ b/arch/powerpc/include/asm/opal-api.h@@ -208,6 +208,8 @@ #define OPAL_HANDLE_HMI2 166 #define OPAL_NX_COPROC_INIT 167 #define OPAL_XIVE_GET_VP_STATE 170 +#define OPAL_NPU_MEM_ALLOC 171 +#define OPAL_NPU_MEM_RELEASE 172 #define OPAL_MPIPL_UPDATE 173 #define OPAL_MPIPL_REGISTER_TAG 174 #define OPAL_MPIPL_QUERY_TAG 175
diff --git a/arch/powerpc/include/asm/opal.h b/arch/powerpc/include/asm/opal.h
index a0cf8fba4d12..4db135fb54ab 100644
--- a/arch/powerpc/include/asm/opal.h
+++ b/arch/powerpc/include/asm/opal.h@@ -39,6 +39,9 @@ int64_t opal_npu_spa_clear_cache(uint64_t phb_id, uint32_t bdfn, uint64_t PE_handle); int64_t opal_npu_tl_set(uint64_t phb_id, uint32_t bdfn, long cap, uint64_t rate_phys, uint32_t size); +int64_t opal_npu_mem_alloc(uint64_t phb_id, uint32_t bdfn, + uint64_t size, uint64_t *bar); +int64_t opal_npu_mem_release(uint64_t phb_id, uint32_t bdfn); int64_t opal_console_write(int64_t term_number, __be64 *length, const uint8_t *buffer);
diff --git a/arch/powerpc/platforms/powernv/opal-call.c b/arch/powerpc/platforms/powernv/opal-call.c
index a2aa5e433ac8..27c4b93c774c 100644
--- a/arch/powerpc/platforms/powernv/opal-call.c
+++ b/arch/powerpc/platforms/powernv/opal-call.c@@ -287,6 +287,8 @@ OPAL_CALL(opal_pci_set_pbcq_tunnel_bar, OPAL_PCI_SET_PBCQ_TUNNEL_BAR); OPAL_CALL(opal_sensor_read_u64, OPAL_SENSOR_READ_U64); OPAL_CALL(opal_sensor_group_enable, OPAL_SENSOR_GROUP_ENABLE); OPAL_CALL(opal_nx_coproc_init, OPAL_NX_COPROC_INIT); +OPAL_CALL(opal_npu_mem_alloc, OPAL_NPU_MEM_ALLOC); +OPAL_CALL(opal_npu_mem_release, OPAL_NPU_MEM_RELEASE); OPAL_CALL(opal_mpipl_update, OPAL_MPIPL_UPDATE); OPAL_CALL(opal_mpipl_register_tag, OPAL_MPIPL_REGISTER_TAG); OPAL_CALL(opal_mpipl_query_tag, OPAL_MPIPL_QUERY_TAG);
--
2.23.0