LCOV - code coverage report
Current view: top level - lib/env_dpdk - pci_dpdk_2207.c (source / functions) Hit Total Coverage
Test: ut_cov_unit.info Lines: 0 77 0.0 %
Date: 2024-07-15 09:51:24 Functions: 0 18 0.0 %

          Line data    Source code
       1             : /*   SPDX-License-Identifier: BSD-3-Clause
       2             :  *   Copyright (C) 2022 Intel Corporation.
       3             :  *   All rights reserved.
       4             :  */
       5             : 
       6             : #include <rte_config.h>
       7             : #include <rte_version.h>
       8             : #include "pci_dpdk.h"
       9             : #include "22.07/rte_dev.h"
      10             : #include "22.07/rte_bus.h"
      11             : #include "22.07/rte_bus_pci.h"
      12             : #include "spdk/assert.h"
      13             : 
      14             : SPDK_STATIC_ASSERT(offsetof(struct spdk_pci_driver, driver_buf) == 0, "driver_buf must be first");
      15             : SPDK_STATIC_ASSERT(offsetof(struct spdk_pci_driver, driver) >= sizeof(struct rte_pci_driver),
      16             :                    "driver_buf not big enough");
      17             : 
      18             : static struct rte_mem_resource *
      19           0 : pci_device_get_mem_resource_2207(struct rte_pci_device *dev, uint32_t bar)
      20             : {
      21           0 :         if (bar >= PCI_MAX_RESOURCE) {
      22           0 :                 assert(false);
      23             :                 return NULL;
      24             :         }
      25             : 
      26           0 :         return &dev->mem_resource[bar];
      27             : }
      28             : 
      29             : static const char *
      30           0 : pci_device_get_name_2207(struct rte_pci_device *rte_dev)
      31             : {
      32           0 :         return rte_dev->name;
      33             : }
      34             : 
      35             : static struct rte_devargs *
      36           0 : pci_device_get_devargs_2207(struct rte_pci_device *rte_dev)
      37             : {
      38           0 :         return rte_dev->device.devargs;
      39             : }
      40             : 
      41             : static struct rte_pci_addr *
      42           0 : pci_device_get_addr_2207(struct rte_pci_device *_dev)
      43             : {
      44           0 :         return &_dev->addr;
      45             : }
      46             : 
      47             : static struct rte_pci_id *
      48           0 : pci_device_get_id_2207(struct rte_pci_device *_dev)
      49             : {
      50           0 :         return &_dev->id;
      51             : }
      52             : 
      53             : static int
      54           0 : pci_device_get_numa_node_2207(struct rte_pci_device *_dev)
      55             : {
      56           0 :         return _dev->device.numa_node;
      57             : }
      58             : 
      59             : static int
      60           0 : pci_device_read_config_2207(struct rte_pci_device *dev, void *value, uint32_t len, uint32_t offset)
      61             : {
      62             :         int rc;
      63             : 
      64           0 :         rc = rte_pci_read_config(dev, value, len, offset);
      65             : 
      66           0 :         return (rc > 0 && (uint32_t) rc == len) ? 0 : -1;
      67             : }
      68             : 
      69             : static int
      70           0 : pci_device_write_config_2207(struct rte_pci_device *dev, void *value, uint32_t len, uint32_t offset)
      71             : {
      72             :         int rc;
      73             : 
      74           0 :         rc = rte_pci_write_config(dev, value, len, offset);
      75             : 
      76             : #ifdef __FreeBSD__
      77             :         /* DPDK returns 0 on success and -1 on failure */
      78             :         return rc;
      79             : #endif
      80           0 :         return (rc > 0 && (uint32_t) rc == len) ? 0 : -1;
      81             : }
      82             : 
      83             : /* translate spdk_pci_driver to an rte_pci_driver and register it to dpdk */
      84             : static int
      85           0 : pci_driver_register_2207(struct spdk_pci_driver *driver,
      86             :                          int (*probe_fn)(struct rte_pci_driver *driver, struct rte_pci_device *device),
      87             :                          int (*remove_fn)(struct rte_pci_device *device))
      88             : 
      89             : {
      90           0 :         unsigned pci_id_count = 0;
      91             :         struct rte_pci_id *rte_id_table;
      92             :         char *rte_name;
      93             :         size_t rte_name_len;
      94             :         uint32_t rte_flags;
      95             : 
      96           0 :         assert(driver->id_table);
      97           0 :         while (driver->id_table[pci_id_count].vendor_id) {
      98           0 :                 pci_id_count++;
      99             :         }
     100           0 :         assert(pci_id_count > 0);
     101             : 
     102           0 :         rte_id_table = calloc(pci_id_count + 1, sizeof(*rte_id_table));
     103           0 :         if (!rte_id_table) {
     104           0 :                 return -ENOMEM;
     105             :         }
     106             : 
     107           0 :         while (pci_id_count > 0) {
     108           0 :                 struct rte_pci_id *rte_id = &rte_id_table[pci_id_count - 1];
     109           0 :                 const struct spdk_pci_id *spdk_id = &driver->id_table[pci_id_count - 1];
     110             : 
     111           0 :                 rte_id->class_id = spdk_id->class_id;
     112           0 :                 rte_id->vendor_id = spdk_id->vendor_id;
     113           0 :                 rte_id->device_id = spdk_id->device_id;
     114           0 :                 rte_id->subsystem_vendor_id = spdk_id->subvendor_id;
     115           0 :                 rte_id->subsystem_device_id = spdk_id->subdevice_id;
     116           0 :                 pci_id_count--;
     117             :         }
     118             : 
     119           0 :         assert(driver->name);
     120           0 :         rte_name_len = strlen(driver->name) + strlen("spdk_") + 1;
     121           0 :         rte_name = calloc(rte_name_len, 1);
     122           0 :         if (!rte_name) {
     123           0 :                 free(rte_id_table);
     124           0 :                 return -ENOMEM;
     125             :         }
     126             : 
     127           0 :         snprintf(rte_name, rte_name_len, "spdk_%s", driver->name);
     128           0 :         driver->driver->driver.name = rte_name;
     129           0 :         driver->driver->id_table = rte_id_table;
     130             : 
     131           0 :         rte_flags = 0;
     132           0 :         if (driver->drv_flags & SPDK_PCI_DRIVER_NEED_MAPPING) {
     133           0 :                 rte_flags |= RTE_PCI_DRV_NEED_MAPPING;
     134             :         }
     135           0 :         if (driver->drv_flags & SPDK_PCI_DRIVER_WC_ACTIVATE) {
     136           0 :                 rte_flags |= RTE_PCI_DRV_WC_ACTIVATE;
     137             :         }
     138           0 :         driver->driver->drv_flags = rte_flags;
     139             : 
     140           0 :         driver->driver->probe = probe_fn;
     141           0 :         driver->driver->remove = remove_fn;
     142             : 
     143           0 :         rte_pci_register(driver->driver);
     144           0 :         return 0;
     145             : }
     146             : 
     147             : static int
     148           0 : pci_device_enable_interrupt_2207(struct rte_pci_device *rte_dev)
     149             : {
     150           0 :         return rte_intr_enable(rte_dev->intr_handle);
     151             : }
     152             : 
     153             : static int
     154           0 : pci_device_disable_interrupt_2207(struct rte_pci_device *rte_dev)
     155             : {
     156           0 :         return rte_intr_disable(rte_dev->intr_handle);
     157             : }
     158             : 
     159             : static int
     160           0 : pci_device_get_interrupt_efd_2207(struct rte_pci_device *rte_dev)
     161             : {
     162           0 :         return rte_intr_fd_get(rte_dev->intr_handle);
     163             : }
     164             : 
     165             : static int
     166           0 : bus_probe_2207(void)
     167             : {
     168           0 :         return rte_bus_probe();
     169             : }
     170             : 
     171             : static void
     172           0 : bus_scan_2207(void)
     173             : {
     174           0 :         rte_bus_scan();
     175           0 : }
     176             : 
     177             : static struct rte_devargs *
     178           0 : device_get_devargs_2207(struct rte_device *dev)
     179             : {
     180           0 :         return dev->devargs;
     181             : }
     182             : 
     183             : static void
     184           0 : device_set_devargs_2207(struct rte_device *dev, struct rte_devargs *devargs)
     185             : {
     186           0 :         dev->devargs = devargs;
     187           0 : }
     188             : 
     189             : static const char *
     190           0 : device_get_name_2207(struct rte_device *dev)
     191             : {
     192           0 :         return dev->name;
     193             : }
     194             : 
     195             : static bool
     196           0 : device_scan_allowed_2207(struct rte_device *dev)
     197             : {
     198           0 :         return dev->bus->conf.scan_mode == RTE_BUS_SCAN_ALLOWLIST;
     199             : }
     200             : 
     201             : struct dpdk_fn_table fn_table_2207 = {
     202             :         .pci_device_get_mem_resource    = pci_device_get_mem_resource_2207,
     203             :         .pci_device_get_name            = pci_device_get_name_2207,
     204             :         .pci_device_get_devargs         = pci_device_get_devargs_2207,
     205             :         .pci_device_get_addr            = pci_device_get_addr_2207,
     206             :         .pci_device_get_id              = pci_device_get_id_2207,
     207             :         .pci_device_get_numa_node       = pci_device_get_numa_node_2207,
     208             :         .pci_device_read_config         = pci_device_read_config_2207,
     209             :         .pci_device_write_config        = pci_device_write_config_2207,
     210             :         .pci_driver_register            = pci_driver_register_2207,
     211             :         .pci_device_enable_interrupt    = pci_device_enable_interrupt_2207,
     212             :         .pci_device_disable_interrupt   = pci_device_disable_interrupt_2207,
     213             :         .pci_device_get_interrupt_efd   = pci_device_get_interrupt_efd_2207,
     214             :         .bus_scan                       = bus_scan_2207,
     215             :         .bus_probe                      = bus_probe_2207,
     216             :         .device_get_devargs             = device_get_devargs_2207,
     217             :         .device_set_devargs             = device_set_devargs_2207,
     218             :         .device_get_name                = device_get_name_2207,
     219             :         .device_scan_allowed            = device_scan_allowed_2207,
     220             : };

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