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path: root/drivers/net/ethernet/aquantia/atlantic/aq_pci_func.c
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Diffstat (limited to 'drivers/net/ethernet/aquantia/atlantic/aq_pci_func.c')
-rw-r--r--drivers/net/ethernet/aquantia/atlantic/aq_pci_func.c413
1 files changed, 229 insertions, 184 deletions
diff --git a/drivers/net/ethernet/aquantia/atlantic/aq_pci_func.c b/drivers/net/ethernet/aquantia/atlantic/aq_pci_func.c
index 58c29d04b186..22889fc158f2 100644
--- a/drivers/net/ethernet/aquantia/atlantic/aq_pci_func.c
+++ b/drivers/net/ethernet/aquantia/atlantic/aq_pci_func.c
@@ -9,181 +9,135 @@
/* File aq_pci_func.c: Definition of PCI functions. */
-#include "aq_pci_func.h"
+#include <linux/interrupt.h>
+#include <linux/module.h>
+
+#include "aq_main.h"
#include "aq_nic.h"
#include "aq_vec.h"
#include "aq_hw.h"
-#include <linux/interrupt.h>
-
-struct aq_pci_func_s {
- struct pci_dev *pdev;
- struct aq_nic_s *port[AQ_CFG_PCI_FUNC_PORTS];
- void __iomem *mmio;
- void *aq_vec[AQ_CFG_PCI_FUNC_MSIX_IRQS];
- resource_size_t mmio_pa;
- unsigned int msix_entry_mask;
- unsigned int ports;
- bool is_pci_enabled;
- bool is_regions;
- bool is_pci_using_dac;
- struct aq_hw_caps_s aq_hw_caps;
+#include "aq_pci_func.h"
+#include "hw_atl/hw_atl_a0.h"
+#include "hw_atl/hw_atl_b0.h"
+
+static const struct pci_device_id aq_pci_tbl[] = {
+ { PCI_VDEVICE(AQUANTIA, AQ_DEVICE_ID_0001), },
+ { PCI_VDEVICE(AQUANTIA, AQ_DEVICE_ID_D100), },
+ { PCI_VDEVICE(AQUANTIA, AQ_DEVICE_ID_D107), },
+ { PCI_VDEVICE(AQUANTIA, AQ_DEVICE_ID_D108), },
+ { PCI_VDEVICE(AQUANTIA, AQ_DEVICE_ID_D109), },
+
+ { PCI_VDEVICE(AQUANTIA, AQ_DEVICE_ID_AQC100), },
+ { PCI_VDEVICE(AQUANTIA, AQ_DEVICE_ID_AQC107), },
+ { PCI_VDEVICE(AQUANTIA, AQ_DEVICE_ID_AQC108), },
+ { PCI_VDEVICE(AQUANTIA, AQ_DEVICE_ID_AQC109), },
+ { PCI_VDEVICE(AQUANTIA, AQ_DEVICE_ID_AQC111), },
+ { PCI_VDEVICE(AQUANTIA, AQ_DEVICE_ID_AQC112), },
+
+ { PCI_VDEVICE(AQUANTIA, AQ_DEVICE_ID_AQC100S), },
+ { PCI_VDEVICE(AQUANTIA, AQ_DEVICE_ID_AQC107S), },
+ { PCI_VDEVICE(AQUANTIA, AQ_DEVICE_ID_AQC108S), },
+ { PCI_VDEVICE(AQUANTIA, AQ_DEVICE_ID_AQC109S), },
+ { PCI_VDEVICE(AQUANTIA, AQ_DEVICE_ID_AQC111S), },
+ { PCI_VDEVICE(AQUANTIA, AQ_DEVICE_ID_AQC112S), },
+
+ { PCI_VDEVICE(AQUANTIA, AQ_DEVICE_ID_AQC111E), },
+ { PCI_VDEVICE(AQUANTIA, AQ_DEVICE_ID_AQC112E), },
+
+ {}
};
-struct aq_pci_func_s *aq_pci_func_alloc(struct aq_hw_ops *aq_hw_ops,
- struct pci_dev *pdev,
- const struct net_device_ops *ndev_ops,
- const struct ethtool_ops *eth_ops)
-{
- struct aq_pci_func_s *self = NULL;
- int err = 0;
- unsigned int port = 0U;
-
- if (!aq_hw_ops) {
- err = -EFAULT;
- goto err_exit;
- }
- self = kzalloc(sizeof(*self), GFP_KERNEL);
- if (!self) {
- err = -ENOMEM;
- goto err_exit;
- }
-
- pci_set_drvdata(pdev, self);
- self->pdev = pdev;
+static const struct aq_board_revision_s hw_atl_boards[] = {
+ { AQ_DEVICE_ID_0001, AQ_HWREV_1, &hw_atl_ops_a0, &hw_atl_a0_caps_aqc107, },
+ { AQ_DEVICE_ID_D100, AQ_HWREV_1, &hw_atl_ops_a0, &hw_atl_a0_caps_aqc100, },
+ { AQ_DEVICE_ID_D107, AQ_HWREV_1, &hw_atl_ops_a0, &hw_atl_a0_caps_aqc107, },
+ { AQ_DEVICE_ID_D108, AQ_HWREV_1, &hw_atl_ops_a0, &hw_atl_a0_caps_aqc108, },
+ { AQ_DEVICE_ID_D109, AQ_HWREV_1, &hw_atl_ops_a0, &hw_atl_a0_caps_aqc109, },
+
+ { AQ_DEVICE_ID_0001, AQ_HWREV_2, &hw_atl_ops_b0, &hw_atl_b0_caps_aqc107, },
+ { AQ_DEVICE_ID_D100, AQ_HWREV_2, &hw_atl_ops_b0, &hw_atl_b0_caps_aqc100, },
+ { AQ_DEVICE_ID_D107, AQ_HWREV_2, &hw_atl_ops_b0, &hw_atl_b0_caps_aqc107, },
+ { AQ_DEVICE_ID_D108, AQ_HWREV_2, &hw_atl_ops_b0, &hw_atl_b0_caps_aqc108, },
+ { AQ_DEVICE_ID_D109, AQ_HWREV_2, &hw_atl_ops_b0, &hw_atl_b0_caps_aqc109, },
+
+ { AQ_DEVICE_ID_AQC100, AQ_HWREV_ANY, &hw_atl_ops_b1, &hw_atl_b0_caps_aqc107, },
+ { AQ_DEVICE_ID_AQC107, AQ_HWREV_ANY, &hw_atl_ops_b1, &hw_atl_b0_caps_aqc107, },
+ { AQ_DEVICE_ID_AQC108, AQ_HWREV_ANY, &hw_atl_ops_b1, &hw_atl_b0_caps_aqc108, },
+ { AQ_DEVICE_ID_AQC109, AQ_HWREV_ANY, &hw_atl_ops_b1, &hw_atl_b0_caps_aqc109, },
+ { AQ_DEVICE_ID_AQC111, AQ_HWREV_ANY, &hw_atl_ops_b1, &hw_atl_b0_caps_aqc111, },
+ { AQ_DEVICE_ID_AQC112, AQ_HWREV_ANY, &hw_atl_ops_b1, &hw_atl_b0_caps_aqc112, },
+
+ { AQ_DEVICE_ID_AQC100S, AQ_HWREV_ANY, &hw_atl_ops_b1, &hw_atl_b0_caps_aqc100s, },
+ { AQ_DEVICE_ID_AQC107S, AQ_HWREV_ANY, &hw_atl_ops_b1, &hw_atl_b0_caps_aqc107s, },
+ { AQ_DEVICE_ID_AQC108S, AQ_HWREV_ANY, &hw_atl_ops_b1, &hw_atl_b0_caps_aqc108s, },
+ { AQ_DEVICE_ID_AQC109S, AQ_HWREV_ANY, &hw_atl_ops_b1, &hw_atl_b0_caps_aqc109s, },
+ { AQ_DEVICE_ID_AQC111S, AQ_HWREV_ANY, &hw_atl_ops_b1, &hw_atl_b0_caps_aqc111s, },
+ { AQ_DEVICE_ID_AQC112S, AQ_HWREV_ANY, &hw_atl_ops_b1, &hw_atl_b0_caps_aqc112s, },
+
+ { AQ_DEVICE_ID_AQC111E, AQ_HWREV_ANY, &hw_atl_ops_b1, &hw_atl_b0_caps_aqc111e, },
+ { AQ_DEVICE_ID_AQC112E, AQ_HWREV_ANY, &hw_atl_ops_b1, &hw_atl_b0_caps_aqc112e, },
+};
- err = aq_hw_ops->get_hw_caps(NULL, &self->aq_hw_caps, pdev->device,
- pdev->subsystem_device);
- if (err < 0)
- goto err_exit;
+MODULE_DEVICE_TABLE(pci, aq_pci_tbl);
- self->ports = self->aq_hw_caps.ports;
+static int aq_pci_probe_get_hw_by_id(struct pci_dev *pdev,
+ const struct aq_hw_ops **ops,
+ const struct aq_hw_caps_s **caps)
+{
+ int i = 0;
- for (port = 0; port < self->ports; ++port) {
- struct aq_nic_s *aq_nic = aq_nic_alloc_cold(ndev_ops, eth_ops,
- pdev, self,
- port, aq_hw_ops);
+ if (pdev->vendor != PCI_VENDOR_ID_AQUANTIA)
+ return -EINVAL;
- if (!aq_nic) {
- err = -ENOMEM;
- goto err_exit;
+ for (i = 0; i < ARRAY_SIZE(hw_atl_boards); i++) {
+ if (hw_atl_boards[i].devid == pdev->device &&
+ (hw_atl_boards[i].revision == AQ_HWREV_ANY ||
+ hw_atl_boards[i].revision == pdev->revision)) {
+ *ops = hw_atl_boards[i].ops;
+ *caps = hw_atl_boards[i].caps;
+ break;
}
- self->port[port] = aq_nic;
}
-err_exit:
- if (err < 0) {
- if (self)
- aq_pci_func_free(self);
- self = NULL;
- }
+ if (i == ARRAY_SIZE(hw_atl_boards))
+ return -EINVAL;
- (void)err;
- return self;
+ return 0;
}
-int aq_pci_func_init(struct aq_pci_func_s *self)
+int aq_pci_func_init(struct pci_dev *pdev)
{
int err = 0;
- unsigned int bar = 0U;
- unsigned int port = 0U;
- unsigned int numvecs = 0U;
-
- err = pci_enable_device(self->pdev);
- if (err < 0)
- goto err_exit;
- self->is_pci_enabled = true;
-
- err = pci_set_dma_mask(self->pdev, DMA_BIT_MASK(64));
+ err = pci_set_dma_mask(pdev, DMA_BIT_MASK(64));
if (!err) {
- err = pci_set_consistent_dma_mask(self->pdev, DMA_BIT_MASK(64));
- self->is_pci_using_dac = 1;
+ err = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64));
+
}
if (err) {
- err = pci_set_dma_mask(self->pdev, DMA_BIT_MASK(32));
+ err = pci_set_dma_mask(pdev, DMA_BIT_MASK(32));
if (!err)
- err = pci_set_consistent_dma_mask(self->pdev,
+ err = pci_set_consistent_dma_mask(pdev,
DMA_BIT_MASK(32));
- self->is_pci_using_dac = 0;
}
if (err != 0) {
err = -ENOSR;
goto err_exit;
}
- err = pci_request_regions(self->pdev, AQ_CFG_DRV_NAME "_mmio");
+ err = pci_request_regions(pdev, AQ_CFG_DRV_NAME "_mmio");
if (err < 0)
goto err_exit;
- self->is_regions = true;
+ pci_set_master(pdev);
- pci_set_master(self->pdev);
-
- for (bar = 0; bar < 4; ++bar) {
- if (IORESOURCE_MEM & pci_resource_flags(self->pdev, bar)) {
- resource_size_t reg_sz;
-
- self->mmio_pa = pci_resource_start(self->pdev, bar);
- if (self->mmio_pa == 0U) {
- err = -EIO;
- goto err_exit;
- }
-
- reg_sz = pci_resource_len(self->pdev, bar);
- if ((reg_sz <= 24 /*ATL_REGS_SIZE*/)) {
- err = -EIO;
- goto err_exit;
- }
-
- self->mmio = ioremap_nocache(self->mmio_pa, reg_sz);
- if (!self->mmio) {
- err = -EIO;
- goto err_exit;
- }
- break;
- }
- }
-
- numvecs = min((u8)AQ_CFG_VECS_DEF, self->aq_hw_caps.msix_irqs);
- numvecs = min(numvecs, num_online_cpus());
-
- /* enable interrupts */
-#if !AQ_CFG_FORCE_LEGACY_INT
- err = pci_alloc_irq_vectors(self->pdev, numvecs, numvecs, PCI_IRQ_MSIX);
-
- if (err < 0) {
- err = pci_alloc_irq_vectors(self->pdev, 1, 1,
- PCI_IRQ_MSI | PCI_IRQ_LEGACY);
- if (err < 0)
- goto err_exit;
- }
-#endif /* AQ_CFG_FORCE_LEGACY_INT */
-
- /* net device init */
- for (port = 0; port < self->ports; ++port) {
- if (!self->port[port])
- continue;
-
- err = aq_nic_cfg_start(self->port[port]);
- if (err < 0)
- goto err_exit;
-
- err = aq_nic_ndev_init(self->port[port]);
- if (err < 0)
- goto err_exit;
-
- err = aq_nic_ndev_register(self->port[port]);
- if (err < 0)
- goto err_exit;
- }
+ return 0;
err_exit:
- if (err < 0)
- aq_pci_func_deinit(self);
return err;
}
-int aq_pci_func_alloc_irq(struct aq_pci_func_s *self, unsigned int i,
+int aq_pci_func_alloc_irq(struct aq_nic_s *self, unsigned int i,
char *name, void *aq_vec, cpumask_t *affinity_mask)
{
struct pci_dev *pdev = self->pdev;
@@ -204,11 +158,10 @@ int aq_pci_func_alloc_irq(struct aq_pci_func_s *self, unsigned int i,
irq_set_affinity_hint(pci_irq_vector(pdev, i),
affinity_mask);
}
-
return err;
}
-void aq_pci_func_free_irqs(struct aq_pci_func_s *self)
+void aq_pci_func_free_irqs(struct aq_nic_s *self)
{
struct pci_dev *pdev = self->pdev;
unsigned int i = 0U;
@@ -224,12 +177,7 @@ void aq_pci_func_free_irqs(struct aq_pci_func_s *self)
}
}
-void __iomem *aq_pci_func_get_mmio(struct aq_pci_func_s *self)
-{
- return self->mmio;
-}
-
-unsigned int aq_pci_func_get_irq_type(struct aq_pci_func_s *self)
+unsigned int aq_pci_func_get_irq_type(struct aq_nic_s *self)
{
if (self->pdev->msix_enabled)
return AQ_HW_IRQ_MSIX;
@@ -238,62 +186,159 @@ unsigned int aq_pci_func_get_irq_type(struct aq_pci_func_s *self)
return AQ_HW_IRQ_LEGACY;
}
-void aq_pci_func_deinit(struct aq_pci_func_s *self)
+static void aq_pci_free_irq_vectors(struct aq_nic_s *self)
{
- if (!self)
- goto err_exit;
-
- aq_pci_func_free_irqs(self);
pci_free_irq_vectors(self->pdev);
-
- if (self->is_regions)
- pci_release_regions(self->pdev);
-
- if (self->is_pci_enabled)
- pci_disable_device(self->pdev);
-
-err_exit:;
}
-void aq_pci_func_free(struct aq_pci_func_s *self)
+static int aq_pci_probe(struct pci_dev *pdev,
+ const struct pci_device_id *pci_id)
{
- unsigned int port = 0U;
+ struct aq_nic_s *self = NULL;
+ int err = 0;
+ struct net_device *ndev;
+ resource_size_t mmio_pa;
+ u32 bar;
+ u32 numvecs;
- if (!self)
- goto err_exit;
+ err = pci_enable_device(pdev);
+ if (err)
+ return err;
- for (port = 0; port < self->ports; ++port) {
- if (!self->port[port])
- continue;
+ err = aq_pci_func_init(pdev);
+ if (err)
+ goto err_pci_func;
- aq_nic_ndev_free(self->port[port]);
+ ndev = aq_ndev_alloc();
+ if (!ndev) {
+ err = -ENOMEM;
+ goto err_ndev;
}
- if (self->mmio)
- iounmap(self->mmio);
+ self = netdev_priv(ndev);
+ self->pdev = pdev;
+ SET_NETDEV_DEV(ndev, &pdev->dev);
+ pci_set_drvdata(pdev, self);
- kfree(self);
+ err = aq_pci_probe_get_hw_by_id(pdev, &self->aq_hw_ops,
+ &aq_nic_get_cfg(self)->aq_hw_caps);
+ if (err)
+ goto err_ioremap;
-err_exit:;
-}
+ self->aq_hw = kzalloc(sizeof(*self->aq_hw), GFP_KERNEL);
+ self->aq_hw->aq_nic_cfg = aq_nic_get_cfg(self);
-int aq_pci_func_change_pm_state(struct aq_pci_func_s *self,
- pm_message_t *pm_msg)
-{
- int err = 0;
- unsigned int port = 0U;
+ for (bar = 0; bar < 4; ++bar) {
+ if (IORESOURCE_MEM & pci_resource_flags(pdev, bar)) {
+ resource_size_t reg_sz;
- if (!self) {
- err = -EFAULT;
- goto err_exit;
+ mmio_pa = pci_resource_start(pdev, bar);
+ if (mmio_pa == 0U) {
+ err = -EIO;
+ goto err_ioremap;
+ }
+
+ reg_sz = pci_resource_len(pdev, bar);
+ if ((reg_sz <= 24 /*ATL_REGS_SIZE*/)) {
+ err = -EIO;
+ goto err_ioremap;
+ }
+
+ self->aq_hw->mmio = ioremap_nocache(mmio_pa, reg_sz);
+ if (!self->aq_hw->mmio) {
+ err = -EIO;
+ goto err_ioremap;
+ }
+ break;
+ }
}
- for (port = 0; port < self->ports; ++port) {
- if (!self->port[port])
- continue;
- (void)aq_nic_change_pm_state(self->port[port], pm_msg);
+ if (bar == 4) {
+ err = -EIO;
+ goto err_ioremap;
}
-err_exit:
+ numvecs = min((u8)AQ_CFG_VECS_DEF,
+ aq_nic_get_cfg(self)->aq_hw_caps->msix_irqs);
+ numvecs = min(numvecs, num_online_cpus());
+ /*enable interrupts */
+#if !AQ_CFG_FORCE_LEGACY_INT
+ err = pci_alloc_irq_vectors(self->pdev, numvecs, numvecs,
+ PCI_IRQ_MSIX);
+
+ if (err < 0) {
+ err = pci_alloc_irq_vectors(self->pdev, 1, 1,
+ PCI_IRQ_MSI | PCI_IRQ_LEGACY);
+ if (err < 0)
+ goto err_hwinit;
+ }
+#endif
+
+ /* net device init */
+ aq_nic_cfg_start(self);
+
+ aq_nic_ndev_init(self);
+
+ err = aq_nic_ndev_register(self);
+ if (err < 0)
+ goto err_register;
+
+ return 0;
+
+err_register:
+ aq_nic_free_vectors(self);
+ aq_pci_free_irq_vectors(self);
+err_hwinit:
+ iounmap(self->aq_hw->mmio);
+err_ioremap:
+ free_netdev(ndev);
+err_pci_func:
+ pci_release_regions(pdev);
+err_ndev:
+ pci_disable_device(pdev);
return err;
}
+
+static void aq_pci_remove(struct pci_dev *pdev)
+{
+ struct aq_nic_s *self = pci_get_drvdata(pdev);
+
+ if (self->ndev) {
+ if (self->ndev->reg_state == NETREG_REGISTERED)
+ unregister_netdev(self->ndev);
+ aq_nic_free_vectors(self);
+ aq_pci_free_irq_vectors(self);
+ iounmap(self->aq_hw->mmio);
+ kfree(self->aq_hw);
+ pci_release_regions(pdev);
+ free_netdev(self->ndev);
+ }
+
+ pci_disable_device(pdev);
+}
+
+static int aq_pci_suspend(struct pci_dev *pdev, pm_message_t pm_msg)
+{
+ struct aq_nic_s *self = pci_get_drvdata(pdev);
+
+ return aq_nic_change_pm_state(self, &pm_msg);
+}
+
+static int aq_pci_resume(struct pci_dev *pdev)
+{
+ struct aq_nic_s *self = pci_get_drvdata(pdev);
+ pm_message_t pm_msg = PMSG_RESTORE;
+
+ return aq_nic_change_pm_state(self, &pm_msg);
+}
+
+static struct pci_driver aq_pci_ops = {
+ .name = AQ_CFG_DRV_NAME,
+ .id_table = aq_pci_tbl,
+ .probe = aq_pci_probe,
+ .remove = aq_pci_remove,
+ .suspend = aq_pci_suspend,
+ .resume = aq_pci_resume,
+};
+
+module_pci_driver(aq_pci_ops);