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 88 0.0 %
Date: 2024-12-09 23:35:33 Functions: 0 22 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             : #define ALLOW_INTERNAL_API
       7             : #include <rte_config.h>
       8             : #include <rte_version.h>
       9             : #include "pci_dpdk.h"
      10             : #include "22.07/rte_dev.h"
      11             : #include "22.07/rte_bus.h"
      12             : #include "22.07/rte_bus_pci.h"
      13             : #include "spdk/assert.h"
      14             : 
      15             : SPDK_STATIC_ASSERT(offsetof(struct spdk_pci_driver, driver_buf) == 0, "driver_buf must be first");
      16             : SPDK_STATIC_ASSERT(offsetof(struct spdk_pci_driver, driver) >= sizeof(struct rte_pci_driver),
      17             :                    "driver_buf not big enough");
      18             : 
      19             : static struct rte_mem_resource *
      20           0 : pci_device_get_mem_resource_2207(struct rte_pci_device *dev, uint32_t bar)
      21             : {
      22           0 :         if (bar >= PCI_MAX_RESOURCE) {
      23           0 :                 assert(false);
      24             :                 return NULL;
      25             :         }
      26             : 
      27           0 :         return &dev->mem_resource[bar];
      28             : }
      29             : 
      30             : static const char *
      31           0 : pci_device_get_name_2207(struct rte_pci_device *rte_dev)
      32             : {
      33           0 :         return rte_dev->name;
      34             : }
      35             : 
      36             : static struct rte_devargs *
      37           0 : pci_device_get_devargs_2207(struct rte_pci_device *rte_dev)
      38             : {
      39           0 :         return rte_dev->device.devargs;
      40             : }
      41             : 
      42             : static struct rte_pci_addr *
      43           0 : pci_device_get_addr_2207(struct rte_pci_device *_dev)
      44             : {
      45           0 :         return &_dev->addr;
      46             : }
      47             : 
      48             : static struct rte_pci_id *
      49           0 : pci_device_get_id_2207(struct rte_pci_device *_dev)
      50             : {
      51           0 :         return &_dev->id;
      52             : }
      53             : 
      54             : static int
      55           0 : pci_device_get_numa_node_2207(struct rte_pci_device *_dev)
      56             : {
      57           0 :         return _dev->device.numa_node;
      58             : }
      59             : 
      60             : static int
      61           0 : pci_device_read_config_2207(struct rte_pci_device *dev, void *value, uint32_t len, uint32_t offset)
      62             : {
      63             :         int rc;
      64             : 
      65           0 :         rc = rte_pci_read_config(dev, value, len, offset);
      66             : 
      67           0 :         return (rc > 0 && (uint32_t) rc == len) ? 0 : -1;
      68             : }
      69             : 
      70             : static int
      71           0 : pci_device_write_config_2207(struct rte_pci_device *dev, void *value, uint32_t len, uint32_t offset)
      72             : {
      73             :         int rc;
      74             : 
      75           0 :         rc = rte_pci_write_config(dev, value, len, offset);
      76             : 
      77             : #ifdef __FreeBSD__
      78             :         /* DPDK returns 0 on success and -1 on failure */
      79           0 :         return rc;
      80             : #endif
      81             :         return (rc > 0 && (uint32_t) rc == len) ? 0 : -1;
      82             : }
      83             : 
      84             : /* translate spdk_pci_driver to an rte_pci_driver and register it to dpdk */
      85             : static int
      86           0 : pci_driver_register_2207(struct spdk_pci_driver *driver,
      87             :                          int (*probe_fn)(struct rte_pci_driver *driver, struct rte_pci_device *device),
      88             :                          int (*remove_fn)(struct rte_pci_device *device))
      89             : 
      90             : {
      91           0 :         unsigned pci_id_count = 0;
      92             :         struct rte_pci_id *rte_id_table;
      93             :         char *rte_name;
      94             :         size_t rte_name_len;
      95             :         uint32_t rte_flags;
      96             : 
      97           0 :         assert(driver->id_table);
      98           0 :         while (driver->id_table[pci_id_count].vendor_id) {
      99           0 :                 pci_id_count++;
     100             :         }
     101           0 :         assert(pci_id_count > 0);
     102             : 
     103           0 :         rte_id_table = calloc(pci_id_count + 1, sizeof(*rte_id_table));
     104           0 :         if (!rte_id_table) {
     105           0 :                 return -ENOMEM;
     106             :         }
     107             : 
     108           0 :         while (pci_id_count > 0) {
     109           0 :                 struct rte_pci_id *rte_id = &rte_id_table[pci_id_count - 1];
     110           0 :                 const struct spdk_pci_id *spdk_id = &driver->id_table[pci_id_count - 1];
     111             : 
     112           0 :                 rte_id->class_id = spdk_id->class_id;
     113           0 :                 rte_id->vendor_id = spdk_id->vendor_id;
     114           0 :                 rte_id->device_id = spdk_id->device_id;
     115           0 :                 rte_id->subsystem_vendor_id = spdk_id->subvendor_id;
     116           0 :                 rte_id->subsystem_device_id = spdk_id->subdevice_id;
     117           0 :                 pci_id_count--;
     118             :         }
     119             : 
     120           0 :         assert(driver->name);
     121           0 :         rte_name_len = strlen(driver->name) + strlen("spdk_") + 1;
     122           0 :         rte_name = calloc(rte_name_len, 1);
     123           0 :         if (!rte_name) {
     124           0 :                 free(rte_id_table);
     125           0 :                 return -ENOMEM;
     126             :         }
     127             : 
     128           0 :         snprintf(rte_name, rte_name_len, "spdk_%s", driver->name);
     129           0 :         driver->driver->driver.name = rte_name;
     130           0 :         driver->driver->id_table = rte_id_table;
     131             : 
     132           0 :         rte_flags = 0;
     133           0 :         if (driver->drv_flags & SPDK_PCI_DRIVER_NEED_MAPPING) {
     134           0 :                 rte_flags |= RTE_PCI_DRV_NEED_MAPPING;
     135           0 :         }
     136           0 :         if (driver->drv_flags & SPDK_PCI_DRIVER_WC_ACTIVATE) {
     137           0 :                 rte_flags |= RTE_PCI_DRV_WC_ACTIVATE;
     138           0 :         }
     139           0 :         driver->driver->drv_flags = rte_flags;
     140             : 
     141           0 :         driver->driver->probe = probe_fn;
     142           0 :         driver->driver->remove = remove_fn;
     143             : 
     144           0 :         rte_pci_register(driver->driver);
     145           0 :         return 0;
     146           0 : }
     147             : 
     148             : static int
     149           0 : pci_device_enable_interrupt_2207(struct rte_pci_device *rte_dev)
     150             : {
     151           0 :         return rte_intr_enable(rte_dev->intr_handle);
     152             : }
     153             : 
     154             : static int
     155           0 : pci_device_disable_interrupt_2207(struct rte_pci_device *rte_dev)
     156             : {
     157           0 :         return rte_intr_disable(rte_dev->intr_handle);
     158             : }
     159             : 
     160             : static int
     161           0 : pci_device_get_interrupt_efd_2207(struct rte_pci_device *rte_dev)
     162             : {
     163           0 :         return rte_intr_fd_get(rte_dev->intr_handle);
     164             : }
     165             : 
     166             : static int
     167           0 : pci_device_create_interrupt_efds_2207(struct rte_pci_device *rte_dev, uint32_t count)
     168             : {
     169           0 :         return rte_intr_efd_enable(rte_dev->intr_handle, count);
     170             : }
     171             : 
     172             : static void
     173           0 : pci_device_delete_interrupt_efds_2207(struct rte_pci_device *rte_dev)
     174             : {
     175           0 :         return rte_intr_efd_disable(rte_dev->intr_handle);
     176             : }
     177             : 
     178             : static int
     179           0 : pci_device_get_interrupt_efd_by_index_2207(struct rte_pci_device *rte_dev, uint32_t index)
     180             : {
     181           0 :         return rte_intr_efds_index_get(rte_dev->intr_handle, index);
     182             : }
     183             : 
     184             : static int
     185           0 : pci_device_interrupt_cap_multi_2207(struct rte_pci_device *rte_dev)
     186             : {
     187           0 :         return rte_intr_cap_multiple(rte_dev->intr_handle);
     188             : }
     189             : 
     190             : static int
     191           0 : bus_probe_2207(void)
     192             : {
     193           0 :         return rte_bus_probe();
     194             : }
     195             : 
     196             : static void
     197           0 : bus_scan_2207(void)
     198             : {
     199           0 :         rte_bus_scan();
     200           0 : }
     201             : 
     202             : static struct rte_devargs *
     203           0 : device_get_devargs_2207(struct rte_device *dev)
     204             : {
     205           0 :         return dev->devargs;
     206             : }
     207             : 
     208             : static void
     209           0 : device_set_devargs_2207(struct rte_device *dev, struct rte_devargs *devargs)
     210             : {
     211           0 :         dev->devargs = devargs;
     212           0 : }
     213             : 
     214             : static const char *
     215           0 : device_get_name_2207(struct rte_device *dev)
     216             : {
     217           0 :         return dev->name;
     218             : }
     219             : 
     220             : static bool
     221           0 : device_scan_allowed_2207(struct rte_device *dev)
     222             : {
     223           0 :         return dev->bus->conf.scan_mode == RTE_BUS_SCAN_ALLOWLIST;
     224             : }
     225             : 
     226             : struct dpdk_fn_table fn_table_2207 = {
     227             :         .pci_device_get_mem_resource    = pci_device_get_mem_resource_2207,
     228             :         .pci_device_get_name            = pci_device_get_name_2207,
     229             :         .pci_device_get_devargs         = pci_device_get_devargs_2207,
     230             :         .pci_device_get_addr            = pci_device_get_addr_2207,
     231             :         .pci_device_get_id              = pci_device_get_id_2207,
     232             :         .pci_device_get_numa_node       = pci_device_get_numa_node_2207,
     233             :         .pci_device_read_config         = pci_device_read_config_2207,
     234             :         .pci_device_write_config        = pci_device_write_config_2207,
     235             :         .pci_driver_register            = pci_driver_register_2207,
     236             :         .pci_device_enable_interrupt    = pci_device_enable_interrupt_2207,
     237             :         .pci_device_disable_interrupt   = pci_device_disable_interrupt_2207,
     238             :         .pci_device_get_interrupt_efd   = pci_device_get_interrupt_efd_2207,
     239             :         .pci_device_create_interrupt_efds = pci_device_create_interrupt_efds_2207,
     240             :         .pci_device_delete_interrupt_efds = pci_device_delete_interrupt_efds_2207,
     241             :         .pci_device_get_interrupt_efd_by_index = pci_device_get_interrupt_efd_by_index_2207,
     242             :         .pci_device_interrupt_cap_multi = pci_device_interrupt_cap_multi_2207,
     243             :         .bus_scan                       = bus_scan_2207,
     244             :         .bus_probe                      = bus_probe_2207,
     245             :         .device_get_devargs             = device_get_devargs_2207,
     246             :         .device_set_devargs             = device_set_devargs_2207,
     247             :         .device_get_name                = device_get_name_2207,
     248             :         .device_scan_allowed            = device_scan_allowed_2207,
     249             : };

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