From: "Alastair D'Silva" <alastair@au1.ibm.com>
To: alastair@d-silva.org
Cc: "Benjamin Herrenschmidt" <benh@kernel.crashing.org>,
"Paul Mackerras" <paulus@samba.org>,
"Michael Ellerman" <mpe@ellerman.id.au>,
"Frederic Barrat" <fbarrat@linux.ibm.com>,
"Andrew Donnellan" <ajd@linux.ibm.com>,
"Arnd Bergmann" <arnd@arndb.de>,
"Greg Kroah-Hartman" <gregkh@linuxfoundation.org>,
"Mahesh Salgaonkar" <mahesh@linux.vnet.ibm.com>,
"Allison Randal" <allison@lohutok.net>,
"Thomas Gleixner" <tglx@linutronix.de>,
"Vaibhav Jain" <vaibhav@linux.ibm.com>,
"Anju T Sudhakar" <anju@linux.vnet.ibm.com>,
"Cédric Le Goater" <clg@kaod.org>,
"David Gibson" <david@gibson.dropbear.id.au>,
"Masahiro Yamada" <yamada.masahiro@socionext.com>,
"Nicholas Piggin" <npiggin@gmail.com>,
"Alexey Kardashevskiy" <aik@ozlabs.ru>,
linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org
Subject: [PATCH 1/5] powerpc: Add OPAL calls for LPC memory alloc/release
Date: Tue, 17 Sep 2019 11:42:57 +1000 [thread overview]
Message-ID: <20190917014307.30485-2-alastair@au1.ibm.com> (raw)
In-Reply-To: <20190917014307.30485-1-alastair@au1.ibm.com>
From: Alastair D'Silva <alastair@d-silva.org>
Add OPAL calls for LPC memory alloc/release
Signed-off-by: Alastair D'Silva <alastair@d-silva.org>
---
arch/powerpc/include/asm/opal-api.h | 4 +++-
arch/powerpc/include/asm/opal.h | 3 +++
arch/powerpc/platforms/powernv/opal-call.c | 2 ++
3 files changed, 8 insertions(+), 1 deletion(-)
diff --git a/arch/powerpc/include/asm/opal-api.h b/arch/powerpc/include/asm/opal-api.h
index 383242eb0dea..c58161cd7cfb 100644
--- a/arch/powerpc/include/asm/opal-api.h
+++ b/arch/powerpc/include/asm/opal-api.h
@@ -208,7 +208,9 @@
#define OPAL_HANDLE_HMI2 166
#define OPAL_NX_COPROC_INIT 167
#define OPAL_XIVE_GET_VP_STATE 170
-#define OPAL_LAST 170
+#define OPAL_NPU_MEM_ALLOC 171
+#define OPAL_NPU_MEM_RELEASE 172
+#define OPAL_LAST 172
#define QUIESCE_HOLD 1 /* Spin all calls at entry */
#define QUIESCE_REJECT 2 /* Fail all calls with OPAL_BUSY */
diff --git a/arch/powerpc/include/asm/opal.h b/arch/powerpc/include/asm/opal.h
index 57bd029c715e..8c957a003be4 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);
int64_t opal_console_read(int64_t term_number, __be64 *length,
diff --git a/arch/powerpc/platforms/powernv/opal-call.c b/arch/powerpc/platforms/powernv/opal-call.c
index 29ca523c1c79..09a280446507 100644
--- a/arch/powerpc/platforms/powernv/opal-call.c
+++ b/arch/powerpc/platforms/powernv/opal-call.c
@@ -287,3 +287,5 @@ 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);
--
2.21.0
next prev parent reply other threads:[~2019-09-17 1:47 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-09-17 1:42 [PATCH 0/5] ocxl: Allow external drivers to access LPC memory Alastair D'Silva
2019-09-17 1:42 ` Alastair D'Silva [this message]
2019-09-25 11:41 ` [PATCH 1/5] powerpc: Add OPAL calls for LPC memory alloc/release Andrew Donnellan
2019-09-17 1:42 ` [PATCH 2/5] powerpc: Map & release OpenCAPI LPC memory Alastair D'Silva
2019-09-17 4:22 ` kbuild test robot
2019-09-18 14:03 ` Frederic Barrat
2019-09-19 0:58 ` Alastair D'Silva
2019-09-19 8:38 ` Frederic Barrat
2019-09-17 1:42 ` [PATCH 3/5] ocxl: Tally up the LPC memory on a link & allow it to be mapped Alastair D'Silva
2019-09-18 14:02 ` Frederic Barrat
2019-09-19 4:55 ` Alastair D'Silva
2019-09-19 8:41 ` Frederic Barrat
2019-09-17 1:43 ` [PATCH 4/5] ocxl: Add functions to map/unmap LPC memory Alastair D'Silva
2019-09-17 7:36 ` Christoph Hellwig
2019-09-18 14:03 ` Frederic Barrat
2019-09-19 1:19 ` Alastair D'Silva
2019-09-19 1:24 ` Alastair D'Silva
2019-09-23 11:39 ` Frederic Barrat
2019-09-26 2:59 ` Alastair D'Silva
2019-09-17 1:43 ` [PATCH 5/5] ocxl: Provide additional metadata to userspace Alastair D'Silva
2019-09-17 6:35 ` Alastair D'Silva
2019-09-17 11:30 ` kbuild test robot
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