From: mgross@linux.intel.com
To: markgross@kernel.org, mgross@linux.intel.com, arnd@arndb.de,
bp@suse.de, damien.lemoal@wdc.com, dragan.cvetic@xilinx.com,
gregkh@linuxfoundation.org, corbet@lwn.net,
leonard.crestez@nxp.com, palmerdabbelt@google.com,
paul.walmsley@sifive.com, peng.fan@nxp.com, robh+dt@kernel.org,
shawnguo@kernel.org, jassisinghbrar@gmail.com
Cc: linux-kernel@vger.kernel.org,
Srikanth Thokala <srikanth.thokala@intel.com>
Subject: [PATCH v2 15/34] misc: xlink-pcie: Add XLink API interface
Date: Fri, 8 Jan 2021 13:25:41 -0800 [thread overview]
Message-ID: <20210108212600.36850-16-mgross@linux.intel.com> (raw)
In-Reply-To: <20210108212600.36850-1-mgross@linux.intel.com>
From: Srikanth Thokala <srikanth.thokala@intel.com>
Provide interface for XLink layer to interact with XLink PCIe transport
layer on both local host and remote host.
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Reviewed-by: Mark Gross <mgross@linux.intel.com>
Signed-off-by: Srikanth Thokala <srikanth.thokala@intel.com>
---
drivers/misc/xlink-pcie/common/interface.c | 109 +++++++++++++++++++
drivers/misc/xlink-pcie/local_host/Makefile | 1 +
drivers/misc/xlink-pcie/remote_host/Makefile | 1 +
3 files changed, 111 insertions(+)
create mode 100644 drivers/misc/xlink-pcie/common/interface.c
diff --git a/drivers/misc/xlink-pcie/common/interface.c b/drivers/misc/xlink-pcie/common/interface.c
new file mode 100644
index 000000000000..56c1d9ed9d8f
--- /dev/null
+++ b/drivers/misc/xlink-pcie/common/interface.c
@@ -0,0 +1,109 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*****************************************************************************
+ *
+ * Intel Keem Bay XLink PCIe Driver
+ *
+ * Copyright (C) 2020 Intel Corporation
+ *
+ ****************************************************************************/
+
+#include <linux/xlink_drv_inf.h>
+
+#include "core.h"
+#include "xpcie.h"
+
+/* Define xpcie driver interface API */
+int xlink_pcie_get_device_list(u32 *sw_device_id_list, u32 *num_devices)
+{
+ if (!sw_device_id_list || !num_devices)
+ return -EINVAL;
+
+ *num_devices = intel_xpcie_get_device_num(sw_device_id_list);
+
+ return 0;
+}
+EXPORT_SYMBOL(xlink_pcie_get_device_list);
+
+int xlink_pcie_get_device_name(u32 sw_device_id, char *device_name,
+ size_t name_size)
+{
+ if (!device_name)
+ return -EINVAL;
+
+ return intel_xpcie_get_device_name_by_id(sw_device_id,
+ device_name, name_size);
+}
+EXPORT_SYMBOL(xlink_pcie_get_device_name);
+
+int xlink_pcie_get_device_status(u32 sw_device_id, u32 *device_status)
+{
+ u32 status;
+ int rc;
+
+ if (!device_status)
+ return -EINVAL;
+
+ rc = intel_xpcie_get_device_status_by_id(sw_device_id, &status);
+ if (rc)
+ return rc;
+
+ switch (status) {
+ case XPCIE_STATUS_READY:
+ case XPCIE_STATUS_RUN:
+ *device_status = _XLINK_DEV_READY;
+ break;
+ case XPCIE_STATUS_ERROR:
+ *device_status = _XLINK_DEV_ERROR;
+ break;
+ case XPCIE_STATUS_RECOVERY:
+ *device_status = _XLINK_DEV_RECOVERY;
+ break;
+ case XPCIE_STATUS_OFF:
+ *device_status = _XLINK_DEV_OFF;
+ break;
+ default:
+ *device_status = _XLINK_DEV_BUSY;
+ break;
+ }
+
+ return 0;
+}
+EXPORT_SYMBOL(xlink_pcie_get_device_status);
+
+int xlink_pcie_boot_device(u32 sw_device_id, const char *binary_name)
+{
+ return 0;
+}
+EXPORT_SYMBOL(xlink_pcie_boot_device);
+
+int xlink_pcie_connect(u32 sw_device_id)
+{
+ return intel_xpcie_pci_connect_device(sw_device_id);
+}
+EXPORT_SYMBOL(xlink_pcie_connect);
+
+int xlink_pcie_read(u32 sw_device_id, void *data, size_t *const size,
+ u32 timeout)
+{
+ if (!data || !size)
+ return -EINVAL;
+
+ return intel_xpcie_pci_read(sw_device_id, data, size, timeout);
+}
+EXPORT_SYMBOL(xlink_pcie_read);
+
+int xlink_pcie_write(u32 sw_device_id, void *data, size_t *const size,
+ u32 timeout)
+{
+ if (!data || !size)
+ return -EINVAL;
+
+ return intel_xpcie_pci_write(sw_device_id, data, size, timeout);
+}
+EXPORT_SYMBOL(xlink_pcie_write);
+
+int xlink_pcie_reset_device(u32 sw_device_id)
+{
+ return intel_xpcie_pci_reset_device(sw_device_id);
+}
+EXPORT_SYMBOL(xlink_pcie_reset_device);
diff --git a/drivers/misc/xlink-pcie/local_host/Makefile b/drivers/misc/xlink-pcie/local_host/Makefile
index 65df94c7e860..16bb1e7345ac 100644
--- a/drivers/misc/xlink-pcie/local_host/Makefile
+++ b/drivers/misc/xlink-pcie/local_host/Makefile
@@ -3,3 +3,4 @@ mxlk_ep-objs := epf.o
mxlk_ep-objs += dma.o
mxlk_ep-objs += core.o
mxlk_ep-objs += ../common/util.o
+mxlk_ep-objs += ../common/interface.o
diff --git a/drivers/misc/xlink-pcie/remote_host/Makefile b/drivers/misc/xlink-pcie/remote_host/Makefile
index e8074dbb1161..088e121ad46e 100644
--- a/drivers/misc/xlink-pcie/remote_host/Makefile
+++ b/drivers/misc/xlink-pcie/remote_host/Makefile
@@ -3,3 +3,4 @@ mxlk-objs := main.o
mxlk-objs += pci.o
mxlk-objs += core.o
mxlk-objs += ../common/util.o
+mxlk-objs += ../common/interface.o
--
2.17.1
next prev parent reply other threads:[~2021-01-08 21:31 UTC|newest]
Thread overview: 57+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-01-08 21:25 [PATCH v2 00/34] Intel Vision Processing base enabling mgross
2021-01-08 21:25 ` [PATCH v2 01/34] Add Vision Processing Unit (VPU) documentation mgross
2021-01-08 21:25 ` [PATCH v2 02/34] dt-bindings: mailbox: Add Intel VPU IPC mailbox bindings mgross
2021-01-08 21:25 ` [PATCH v2 03/34] mailbox: vpu-ipc-mailbox: Add support for Intel VPU IPC mailbox mgross
2021-01-08 21:25 ` [PATCH v2 04/34] dt-bindings: Add bindings for Keem Bay IPC driver mgross
2021-01-08 21:25 ` [PATCH v2 05/34] keembay-ipc: Add Keem Bay IPC module mgross
2021-01-08 21:25 ` [PATCH v2 06/34] dt-bindings: Add bindings for Keem Bay VPU IPC driver mgross
2021-01-10 17:18 ` Rob Herring
2021-01-11 19:24 ` Rob Herring
2021-01-19 14:32 ` Alessandrelli, Daniele
2021-01-08 21:25 ` [PATCH v2 07/34] keembay-vpu-ipc: Add Keem Bay VPU IPC module mgross
2021-01-08 21:25 ` [PATCH v2 08/34] misc: xlink-pcie: Add documentation for XLink PCIe driver mgross
2021-01-19 19:36 ` Randy Dunlap
2021-01-24 18:27 ` Thokala, Srikanth
2021-01-08 21:25 ` [PATCH v2 09/34] misc: xlink-pcie: lh: Add PCIe EPF driver for Local Host mgross
2021-01-20 17:57 ` Greg KH
2021-01-24 11:48 ` Thokala, Srikanth
2021-01-24 11:56 ` Greg KH
2021-01-24 18:18 ` Thokala, Srikanth
2021-01-08 21:25 ` [PATCH v2 10/34] misc: xlink-pcie: lh: Add PCIe EP DMA functionality mgross
2021-01-08 21:25 ` [PATCH v2 11/34] misc: xlink-pcie: lh: Add core communication logic mgross
2021-01-08 21:25 ` [PATCH v2 12/34] misc: xlink-pcie: lh: Prepare changes for adding remote host driver mgross
2021-01-08 21:25 ` [PATCH v2 13/34] misc: xlink-pcie: rh: Add PCIe EP driver for Remote Host mgross
2021-01-08 21:25 ` [PATCH v2 14/34] misc: xlink-pcie: rh: Add core communication logic mgross
2021-01-08 21:25 ` mgross [this message]
2021-01-20 17:59 ` [PATCH v2 15/34] misc: xlink-pcie: Add XLink API interface Greg KH
2021-01-21 23:20 ` mark gross
2021-01-24 11:46 ` Thokala, Srikanth
2021-01-08 21:25 ` [PATCH v2 16/34] misc: xlink-pcie: Add asynchronous event notification support for XLink mgross
2021-01-08 21:25 ` [PATCH v2 17/34] xlink-ipc: Add xlink ipc device tree bindings mgross
2021-01-10 17:18 ` Rob Herring
2021-01-08 21:25 ` [PATCH v2 18/34] xlink-ipc: Add xlink ipc driver mgross
2021-01-08 21:25 ` [PATCH v2 19/34] xlink-core: Add xlink core device tree bindings mgross
2021-01-10 17:18 ` Rob Herring
2021-01-11 19:27 ` Rob Herring
2021-01-08 21:25 ` [PATCH v2 20/34] xlink-core: Add xlink core driver xLink mgross
2021-01-19 19:58 ` Randy Dunlap
2021-01-08 21:25 ` [PATCH v2 21/34] xlink-core: Enable xlink protocol over pcie mgross
2021-01-08 21:25 ` [PATCH v2 22/34] xlink-core: Enable VPU IP management and runtime control mgross
2021-01-08 21:25 ` [PATCH v2 23/34] xlink-core: add async channel and events mgross
2021-01-08 21:25 ` [PATCH v2 24/34] dt-bindings: misc: Add Keem Bay vpumgr mgross
2021-01-08 21:25 ` [PATCH v2 25/34] misc: Add Keem Bay VPU manager mgross
2021-01-08 21:25 ` [PATCH v2 26/34] dt-bindings: misc: intel_tsens: Add tsens thermal bindings documentation mgross
2021-01-08 21:25 ` [PATCH v2 27/34] misc: Tsens ARM host thermal driver mgross
2021-01-08 21:25 ` [PATCH v2 28/34] misc: Intel tsens IA host driver mgross
2021-01-08 21:25 ` [PATCH v2 29/34] Intel tsens i2c slave driver mgross
2021-01-12 7:15 ` Randy Dunlap
2021-01-25 23:39 ` mark gross
2021-01-26 7:45 ` Arnd Bergmann
2021-01-26 14:56 ` Gross, Mark
2021-01-27 4:45 ` C, Udhayakumar
2021-01-27 4:44 ` C, Udhayakumar
2021-01-08 21:25 ` [PATCH v2 30/34] misc:intel_tsens: Intel Keem Bay tsens driver mgross
2021-01-08 21:25 ` [PATCH v2 31/34] Intel Keem Bay XLink SMBus driver mgross
2021-01-08 21:25 ` [PATCH v2 32/34] dt-bindings: misc: hddl_dev: Add hddl device management documentation mgross
2021-01-08 21:25 ` [PATCH v2 33/34] misc: Hddl device management for local host mgross
2021-01-08 21:26 ` [PATCH v2 34/34] misc: HDDL device management for IA host mgross
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