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Fri, 25 Oct 2019 15:49:09 +1100 (AEDT) From: "Alastair D'Silva" To: alastair@d-silva.org Cc: Andrew Donnellan , Benjamin Herrenschmidt , Paul Mackerras , Michael Ellerman , Frederic Barrat , Arnd Bergmann , Greg Kroah-Hartman , Dan Williams , Vishal Verma , Dave Jiang , Keith Busch , Ira Weiny , Anton Blanchard , Geert Uytterhoeven , Krzysztof Kozlowski , Thomas Gleixner , Vasant Hegde , Anju T Sudhakar , Hari Bathini , Mahesh Salgaonkar , =?utf-8?q?C=C3=A9dric_Le_Goa?= =?utf-8?q?ter?= , Allison Randal , Greg Kurz , Nicholas Piggin , David Gibson , Alexey Kardashevskiy , Andrew Morton , David Hildenbrand , Oscar Salvador , Michal Hocko , Pavel Tatashin , Wei Yang , Qian Cai , linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org, linux-nvdimm@lists.01.org, linux-mm@kvack.org Subject: [PATCH 03/10] powerpc: Add OPAL calls for LPC memory alloc/release Date: Fri, 25 Oct 2019 15:46:58 +1100 X-Mailer: git-send-email 2.21.0 In-Reply-To: <20191025044721.16617-1-alastair@au1.ibm.com> References: <20191025044721.16617-1-alastair@au1.ibm.com> MIME-Version: 1.0 X-TM-AS-GCONF: 00 x-cbid: 19102504-4275-0000-0000-000003774534 X-IBM-AV-DETECTION: SAVI=unused REMOTE=unused XFE=unused x-cbparentid: 19102504-4276-0000-0000-0000388A7174 Message-Id: <20191025044721.16617-4-alastair@au1.ibm.com> X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:,, definitions=2019-10-25_02:,, signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 malwarescore=0 suspectscore=1 phishscore=0 bulkscore=0 spamscore=0 clxscore=1015 lowpriorityscore=0 mlxscore=0 impostorscore=0 mlxlogscore=907 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1908290000 definitions=main-1910250045 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: From: Alastair D'Silva Add OPAL calls for LPC memory alloc/release Signed-off-by: Alastair D'Silva Acked-by: Andrew Donnellan Acked-by: Frederic Barrat --- 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);