Add framework for Odyssey ODM DMA device.
Signed-off-by: Anoob Joseph <ano...@marvell.com>
Signed-off-by: Gowrishankar Muthukrishnan <gmuthukri...@marvell.com>
Signed-off-by: Vidya Sagar Velumuri <vvelum...@marvell.com>
---
MAINTAINERS | 6 +++
drivers/dma/meson.build | 1 +
drivers/dma/odm/meson.build | 14 +++++++
drivers/dma/odm/odm.h | 29 ++++++++++++++
drivers/dma/odm/odm_dmadev.c | 74 ++++++++++++++++++++++++++++++++++++
5 files changed, 124 insertions(+)
create mode 100644 drivers/dma/odm/meson.build
create mode 100644 drivers/dma/odm/odm.h
create mode 100644 drivers/dma/odm/odm_dmadev.c
diff --git a/MAINTAINERS b/MAINTAINERS
index 7abb3aee49..b8d2f7b3d8 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -1268,6 +1268,12 @@ T: git://dpdk.org/next/dpdk-next-net-mrvl
F: drivers/dma/cnxk/
F: doc/guides/dmadevs/cnxk.rst
+Marvell Odyssey ODM DMA
+M: Gowrishankar Muthukrishnan <gmuthukri...@marvell.com>
+M: Vidya Sagar Velumuri <vvelum...@marvell.com>
+T: git://dpdk.org/next/dpdk-next-net-mrvl
+F: drivers/dma/odm/
+
NXP DPAA DMA
M: Gagandeep Singh <g.si...@nxp.com>
M: Sachin Saxena <sachin.sax...@oss.nxp.com>
diff --git a/drivers/dma/meson.build b/drivers/dma/meson.build
index 582654ea1b..358132759a 100644
--- a/drivers/dma/meson.build
+++ b/drivers/dma/meson.build
@@ -8,6 +8,7 @@ drivers = [
'hisilicon',
'idxd',
'ioat',
+ 'odm',
'skeleton',
]
std_deps = ['dmadev']
diff --git a/drivers/dma/odm/meson.build b/drivers/dma/odm/meson.build
new file mode 100644
index 0000000000..227b10c890
--- /dev/null
+++ b/drivers/dma/odm/meson.build
@@ -0,0 +1,14 @@
+# SPDX-License-Identifier: BSD-3-Clause
+# Copyright(C) 2024 Marvell.
+
+if not is_linux or not dpdk_conf.get('RTE_ARCH_64')
+ build = false
+ reason = 'only supported on 64-bit Linux'
+ subdir_done()
+endif
+
+deps += ['bus_pci', 'dmadev', 'eal', 'mempool', 'pci']
+
+sources = files('odm_dmadev.c')
+
+pmd_supports_disable_iova_as_pa = true
diff --git a/drivers/dma/odm/odm.h b/drivers/dma/odm/odm.h
new file mode 100644
index 0000000000..aeeb6f9e9a
--- /dev/null
+++ b/drivers/dma/odm/odm.h
@@ -0,0 +1,29 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(C) 2024 Marvell.
+ */
+
+#ifndef _ODM_H_
+#define _ODM_H_
+
+#include <rte_log.h>
+
+extern int odm_logtype;
+
+#define odm_err(...)
\
+ rte_log(RTE_LOG_ERR, odm_logtype,
\
+ RTE_FMT("%s(): %u" RTE_FMT_HEAD(__VA_ARGS__, ), __func__,
__LINE__, \
+ RTE_FMT_TAIL(__VA_ARGS__, )))
+#define odm_info(...)
\
+ rte_log(RTE_LOG_INFO, odm_logtype,
\
+ RTE_FMT("%s(): %u" RTE_FMT_HEAD(__VA_ARGS__, ), __func__,
__LINE__, \
+ RTE_FMT_TAIL(__VA_ARGS__, )))
+
+struct __rte_cache_aligned odm_dev {
+ struct rte_pci_device *pci_dev;
+ uint8_t *rbase;
+ uint16_t vfid;
+ uint8_t max_qs;
+ uint8_t num_qs;
+};
+
+#endif /* _ODM_H_ */
diff --git a/drivers/dma/odm/odm_dmadev.c b/drivers/dma/odm/odm_dmadev.c
new file mode 100644
index 0000000000..cc3342cf7b
--- /dev/null
+++ b/drivers/dma/odm/odm_dmadev.c
@@ -0,0 +1,74 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(C) 2024 Marvell.
+ */
+
+#include <string.h>
+
+#include <bus_pci_driver.h>
+#include <rte_bus_pci.h>
+#include <rte_common.h>
+#include <rte_dmadev.h>
+#include <rte_dmadev_pmd.h>
+#include <rte_pci.h>
+
+#include "odm.h"
+
+#define PCI_VENDOR_ID_CAVIUM 0x177D
+#define PCI_DEVID_ODYSSEY_ODM_VF 0xA08C
+#define PCI_DRIVER_NAME dma_odm
+
+static int
+odm_dmadev_probe(struct rte_pci_driver *pci_drv __rte_unused, struct
rte_pci_device *pci_dev)
+{
+ char name[RTE_DEV_NAME_MAX_LEN];
+ struct odm_dev *odm = NULL;
+ struct rte_dma_dev *dmadev;
+
+ if (!pci_dev->mem_resource[0].addr)
+ return -ENODEV;
+
+ memset(name, 0, sizeof(name));
+ rte_pci_device_name(&pci_dev->addr, name, sizeof(name));
+
+ dmadev = rte_dma_pmd_allocate(name, pci_dev->device.numa_node,
sizeof(*odm));
+ if (dmadev == NULL) {
+ odm_err("DMA device allocation failed for %s", name);
+ return -ENOMEM;
+ }
+
+ odm_info("DMA device %s probed", name);
+
+ return 0;
+}
+
+static int
+odm_dmadev_remove(struct rte_pci_device *pci_dev)
+{
+ char name[RTE_DEV_NAME_MAX_LEN];
+
+ memset(name, 0, sizeof(name));
+ rte_pci_device_name(&pci_dev->addr, name, sizeof(name));
+
+ return rte_dma_pmd_release(name);
+}
+
+static const struct rte_pci_id odm_dma_pci_map[] = {
+ {
+ RTE_PCI_DEVICE(PCI_VENDOR_ID_CAVIUM, PCI_DEVID_ODYSSEY_ODM_VF)
+ },
+ {
+ .vendor_id = 0,
+ },
+};
+
+static struct rte_pci_driver odm_dmadev = {
+ .id_table = odm_dma_pci_map,
+ .drv_flags = RTE_PCI_DRV_NEED_MAPPING,
+ .probe = odm_dmadev_probe,
+ .remove = odm_dmadev_remove,
+};
+
+RTE_PMD_REGISTER_PCI(PCI_DRIVER_NAME, odm_dmadev);
+RTE_PMD_REGISTER_PCI_TABLE(PCI_DRIVER_NAME, odm_dma_pci_map);
+RTE_PMD_REGISTER_KMOD_DEP(PCI_DRIVER_NAME, "vfio-pci");
+RTE_LOG_REGISTER_DEFAULT(odm_logtype, NOTICE);
--
2.25.1
