[dpdk-dev] [PATCH 1/2] pci: make device_id tables const
Stephen Hemminger
stephen at networkplumber.org
Fri Apr 17 01:23:39 CEST 2015
The PCI device id table is immutable and should be made const
in all drivers. The pseudo drivers can initialize their local
copy as necessary.
Signed-off-by: Stephen Hemminger <stephen at networkplumber.org>
---
app/test/virtual_pmd.c | 3 +--
lib/librte_eal/common/include/rte_pci.h | 2 +-
lib/librte_eal/linuxapp/eal/eal_pci.c | 8 ++++----
lib/librte_pmd_bond/rte_eth_bond_api.c | 12 +++++-------
lib/librte_pmd_e1000/em_ethdev.c | 2 +-
lib/librte_pmd_e1000/igb_ethdev.c | 4 ++--
lib/librte_pmd_enic/enic_ethdev.c | 2 +-
lib/librte_pmd_fm10k/fm10k_ethdev.c | 2 +-
lib/librte_pmd_i40e/i40e_ethdev.c | 2 +-
lib/librte_pmd_i40e/i40e_ethdev_vf.c | 2 +-
lib/librte_pmd_ixgbe/ixgbe_ethdev.c | 4 ++--
lib/librte_pmd_mlx4/mlx4.c | 2 +-
lib/librte_pmd_virtio/virtio_ethdev.c | 2 +-
lib/librte_pmd_vmxnet3/vmxnet3_ethdev.c | 2 +-
14 files changed, 23 insertions(+), 26 deletions(-)
diff --git a/app/test/virtual_pmd.c b/app/test/virtual_pmd.c
index 9581892..a538c8a 100644
--- a/app/test/virtual_pmd.c
+++ b/app/test/virtual_pmd.c
@@ -562,6 +562,7 @@ virtual_ethdev_create(const char *name, struct ether_addr *mac_addr,
id_table = rte_zmalloc_socket(name, sizeof(*id_table), 0, socket_id);
if (id_table == NULL)
goto err;
+ id_table->device_id = 0xBEEF;
dev_private = rte_zmalloc_socket(name, sizeof(*dev_private), 0, socket_id);
if (dev_private == NULL)
@@ -627,8 +628,6 @@ virtual_ethdev_create(const char *name, struct ether_addr *mac_addr,
eth_dev->pci_dev = pci_dev;
eth_dev->pci_dev->driver = ð_drv->pci_drv;
- eth_dev->pci_dev->driver->id_table->device_id = 0xBEEF;
-
eth_dev->rx_pkt_burst = virtual_ethdev_rx_burst_success;
eth_dev->tx_pkt_burst = virtual_ethdev_tx_burst_success;
diff --git a/lib/librte_eal/common/include/rte_pci.h b/lib/librte_eal/common/include/rte_pci.h
index 785852d..62449d7 100644
--- a/lib/librte_eal/common/include/rte_pci.h
+++ b/lib/librte_eal/common/include/rte_pci.h
@@ -204,7 +204,7 @@ struct rte_pci_driver {
const char *name; /**< Driver name. */
pci_devinit_t *devinit; /**< Device init. function. */
pci_devuninit_t *devuninit; /**< Device uninit function. */
- struct rte_pci_id *id_table; /**< ID table, NULL terminated. */
+ const struct rte_pci_id *id_table; /**< ID table, NULL terminated. */
uint32_t drv_flags; /**< Flags contolling handling of device. */
};
diff --git a/lib/librte_eal/linuxapp/eal/eal_pci.c b/lib/librte_eal/linuxapp/eal/eal_pci.c
index 9cb0ffd..d2adc66 100644
--- a/lib/librte_eal/linuxapp/eal/eal_pci.c
+++ b/lib/librte_eal/linuxapp/eal/eal_pci.c
@@ -624,9 +624,9 @@ int
rte_eal_pci_probe_one_driver(struct rte_pci_driver *dr, struct rte_pci_device *dev)
{
int ret;
- struct rte_pci_id *id_table;
+ const struct rte_pci_id *id_table;
- for (id_table = dr->id_table ; id_table->vendor_id != 0; id_table++) {
+ for (id_table = dr->id_table; id_table->vendor_id != 0; id_table++) {
/* check if device's identifiers match the driver's ones */
if (id_table->vendor_id != dev->id.vendor_id &&
@@ -696,12 +696,12 @@ int
rte_eal_pci_close_one_driver(struct rte_pci_driver *dr,
struct rte_pci_device *dev)
{
- struct rte_pci_id *id_table;
+ const struct rte_pci_id *id_table;
if ((dr == NULL) || (dev == NULL))
return -EINVAL;
- for (id_table = dr->id_table ; id_table->vendor_id != 0; id_table++) {
+ for (id_table = dr->id_table; id_table->vendor_id != 0; id_table++) {
/* check if device's identifiers match the driver's ones */
if (id_table->vendor_id != dev->id.vendor_id &&
diff --git a/lib/librte_pmd_bond/rte_eth_bond_api.c b/lib/librte_pmd_bond/rte_eth_bond_api.c
index f594fe1..dc11f47 100644
--- a/lib/librte_pmd_bond/rte_eth_bond_api.c
+++ b/lib/librte_pmd_bond/rte_eth_bond_api.c
@@ -237,14 +237,12 @@ rte_eth_bond_create(const char *name, uint8_t mode, uint8_t socket_id)
RTE_BOND_LOG(ERR, "Unable to malloc pci_id_table on socket");
goto err;
}
-
+ pci_id_table->device_id = PCI_ANY_ID;
+ pci_id_table->subsystem_device_id = PCI_ANY_ID;
+ pci_id_table->vendor_id = PCI_ANY_ID;
+ pci_id_table->subsystem_vendor_id = PCI_ANY_ID;
+
pci_drv->id_table = pci_id_table;
-
- pci_drv->id_table->device_id = PCI_ANY_ID;
- pci_drv->id_table->subsystem_device_id = PCI_ANY_ID;
- pci_drv->id_table->vendor_id = PCI_ANY_ID;
- pci_drv->id_table->subsystem_vendor_id = PCI_ANY_ID;
-
pci_drv->drv_flags = RTE_PCI_DRV_INTR_LSC;
internals = rte_zmalloc_socket(name, sizeof(*internals), 0, socket_id);
diff --git a/lib/librte_pmd_e1000/em_ethdev.c b/lib/librte_pmd_e1000/em_ethdev.c
index 12ecf5f..9fe101a 100644
--- a/lib/librte_pmd_e1000/em_ethdev.c
+++ b/lib/librte_pmd_e1000/em_ethdev.c
@@ -125,7 +125,7 @@ static enum e1000_fc_mode em_fc_setting = e1000_fc_full;
/*
* The set of PCI devices this driver supports
*/
-static struct rte_pci_id pci_id_em_map[] = {
+static const struct rte_pci_id pci_id_em_map[] = {
#define RTE_PCI_DEV_ID_DECL_EM(vend, dev) {RTE_PCI_DEVICE(vend, dev)},
#include "rte_pci_dev_ids.h"
diff --git a/lib/librte_pmd_e1000/igb_ethdev.c b/lib/librte_pmd_e1000/igb_ethdev.c
index 1ea2d38..df47ca2 100644
--- a/lib/librte_pmd_e1000/igb_ethdev.c
+++ b/lib/librte_pmd_e1000/igb_ethdev.c
@@ -216,7 +216,7 @@ static enum e1000_fc_mode igb_fc_setting = e1000_fc_full;
/*
* The set of PCI devices this driver supports
*/
-static struct rte_pci_id pci_id_igb_map[] = {
+static const struct rte_pci_id pci_id_igb_map[] = {
#define RTE_PCI_DEV_ID_DECL_IGB(vend, dev) {RTE_PCI_DEVICE(vend, dev)},
#include "rte_pci_dev_ids.h"
@@ -227,7 +227,7 @@ static struct rte_pci_id pci_id_igb_map[] = {
/*
* The set of PCI devices this driver supports (for 82576&I350 VF)
*/
-static struct rte_pci_id pci_id_igbvf_map[] = {
+static const struct rte_pci_id pci_id_igbvf_map[] = {
#define RTE_PCI_DEV_ID_DECL_IGBVF(vend, dev) {RTE_PCI_DEVICE(vend, dev)},
#include "rte_pci_dev_ids.h"
diff --git a/lib/librte_pmd_enic/enic_ethdev.c b/lib/librte_pmd_enic/enic_ethdev.c
index 3e53f86..d6423f6 100644
--- a/lib/librte_pmd_enic/enic_ethdev.c
+++ b/lib/librte_pmd_enic/enic_ethdev.c
@@ -58,7 +58,7 @@
/*
* The set of PCI devices this driver supports
*/
-static struct rte_pci_id pci_id_enic_map[] = {
+static const struct rte_pci_id pci_id_enic_map[] = {
#define RTE_PCI_DEV_ID_DECL_ENIC(vend, dev) {RTE_PCI_DEVICE(vend, dev)},
#ifndef PCI_VENDOR_ID_CISCO
#define PCI_VENDOR_ID_CISCO 0x1137
diff --git a/lib/librte_pmd_fm10k/fm10k_ethdev.c b/lib/librte_pmd_fm10k/fm10k_ethdev.c
index 1a96cf2..d716881 100644
--- a/lib/librte_pmd_fm10k/fm10k_ethdev.c
+++ b/lib/librte_pmd_fm10k/fm10k_ethdev.c
@@ -1835,7 +1835,7 @@ eth_fm10k_dev_init(struct rte_eth_dev *dev)
* The set of PCI devices this driver supports. This driver will enable both PF
* and SRIOV-VF devices.
*/
-static struct rte_pci_id pci_id_fm10k_map[] = {
+static const struct rte_pci_id pci_id_fm10k_map[] = {
#define RTE_PCI_DEV_ID_DECL_FM10K(vend, dev) { RTE_PCI_DEVICE(vend, dev) },
#define RTE_PCI_DEV_ID_DECL_FM10KVF(vend, dev) { RTE_PCI_DEVICE(vend, dev) },
#include "rte_pci_dev_ids.h"
diff --git a/lib/librte_pmd_i40e/i40e_ethdev.c b/lib/librte_pmd_i40e/i40e_ethdev.c
index dc44764..43762f2 100644
--- a/lib/librte_pmd_i40e/i40e_ethdev.c
+++ b/lib/librte_pmd_i40e/i40e_ethdev.c
@@ -212,7 +212,7 @@ static int i40e_dev_filter_ctrl(struct rte_eth_dev *dev,
static void i40e_configure_registers(struct i40e_hw *hw);
static void i40e_hw_init(struct i40e_hw *hw);
-static struct rte_pci_id pci_id_i40e_map[] = {
+static const struct rte_pci_id pci_id_i40e_map[] = {
#define RTE_PCI_DEV_ID_DECL_I40E(vend, dev) {RTE_PCI_DEVICE(vend, dev)},
#include "rte_pci_dev_ids.h"
{ .vendor_id = 0, /* sentinel */ },
diff --git a/lib/librte_pmd_i40e/i40e_ethdev_vf.c b/lib/librte_pmd_i40e/i40e_ethdev_vf.c
index 4581c5b..8910bdf 100644
--- a/lib/librte_pmd_i40e/i40e_ethdev_vf.c
+++ b/lib/librte_pmd_i40e/i40e_ethdev_vf.c
@@ -999,7 +999,7 @@ i40evf_get_link_status(struct rte_eth_dev *dev, struct rte_eth_link *link)
return 0;
}
-static struct rte_pci_id pci_id_i40evf_map[] = {
+static const struct rte_pci_id pci_id_i40evf_map[] = {
#define RTE_PCI_DEV_ID_DECL_I40EVF(vend, dev) {RTE_PCI_DEVICE(vend, dev)},
#include "rte_pci_dev_ids.h"
{ .vendor_id = 0, /* sentinel */ },
diff --git a/lib/librte_pmd_ixgbe/ixgbe_ethdev.c b/lib/librte_pmd_ixgbe/ixgbe_ethdev.c
index 1b3b4b5..366aa45 100644
--- a/lib/librte_pmd_ixgbe/ixgbe_ethdev.c
+++ b/lib/librte_pmd_ixgbe/ixgbe_ethdev.c
@@ -297,7 +297,7 @@ static int ixgbevf_dev_set_mtu(struct rte_eth_dev *dev, uint16_t mtu);
/*
* The set of PCI devices this driver supports
*/
-static struct rte_pci_id pci_id_ixgbe_map[] = {
+static const struct rte_pci_id pci_id_ixgbe_map[] = {
#define RTE_PCI_DEV_ID_DECL_IXGBE(vend, dev) {RTE_PCI_DEVICE(vend, dev)},
#include "rte_pci_dev_ids.h"
@@ -309,7 +309,7 @@ static struct rte_pci_id pci_id_ixgbe_map[] = {
/*
* The set of PCI devices this driver supports (for 82599 VF)
*/
-static struct rte_pci_id pci_id_ixgbevf_map[] = {
+static const struct rte_pci_id pci_id_ixgbevf_map[] = {
#define RTE_PCI_DEV_ID_DECL_IXGBEVF(vend, dev) {RTE_PCI_DEVICE(vend, dev)},
#include "rte_pci_dev_ids.h"
diff --git a/lib/librte_pmd_mlx4/mlx4.c b/lib/librte_pmd_mlx4/mlx4.c
index e096071..5df192c 100644
--- a/lib/librte_pmd_mlx4/mlx4.c
+++ b/lib/librte_pmd_mlx4/mlx4.c
@@ -4632,7 +4632,7 @@ error:
return -err;
}
-static struct rte_pci_id mlx4_pci_id_map[] = {
+static const struct rte_pci_id mlx4_pci_id_map[] = {
{
.vendor_id = PCI_VENDOR_ID_MELLANOX,
.device_id = PCI_DEVICE_ID_MELLANOX_CONNECTX3,
diff --git a/lib/librte_pmd_virtio/virtio_ethdev.c b/lib/librte_pmd_virtio/virtio_ethdev.c
index ffa26a0..e63dbfb 100644
--- a/lib/librte_pmd_virtio/virtio_ethdev.c
+++ b/lib/librte_pmd_virtio/virtio_ethdev.c
@@ -102,7 +102,7 @@ static int virtio_dev_queue_stats_mapping_set(
/*
* The set of PCI devices this driver supports
*/
-static struct rte_pci_id pci_id_virtio_map[] = {
+static const struct rte_pci_id pci_id_virtio_map[] = {
#define RTE_PCI_DEV_ID_DECL_VIRTIO(vend, dev) {RTE_PCI_DEVICE(vend, dev)},
#include "rte_pci_dev_ids.h"
diff --git a/lib/librte_pmd_vmxnet3/vmxnet3_ethdev.c b/lib/librte_pmd_vmxnet3/vmxnet3_ethdev.c
index 577e0f9..20f484c 100644
--- a/lib/librte_pmd_vmxnet3/vmxnet3_ethdev.c
+++ b/lib/librte_pmd_vmxnet3/vmxnet3_ethdev.c
@@ -91,7 +91,7 @@ static void vmxnet3_process_events(struct vmxnet3_hw *);
/*
* The set of PCI devices this driver supports
*/
-static struct rte_pci_id pci_id_vmxnet3_map[] = {
+static const struct rte_pci_id pci_id_vmxnet3_map[] = {
#define RTE_PCI_DEV_ID_DECL_VMXNET3(vend, dev) {RTE_PCI_DEVICE(vend, dev)},
#include "rte_pci_dev_ids.h"
--
2.1.4
More information about the dev
mailing list