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path: root/drivers/crypto/qat/qat_dh895xcc/adf_drv.c
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Diffstat (limited to 'drivers/crypto/qat/qat_dh895xcc/adf_drv.c')
-rw-r--r--drivers/crypto/qat/qat_dh895xcc/adf_drv.c97
1 files changed, 51 insertions, 46 deletions
diff --git a/drivers/crypto/qat/qat_dh895xcc/adf_drv.c b/drivers/crypto/qat/qat_dh895xcc/adf_drv.c
index 1bde45b7a3c5..f8dd14f232c8 100644
--- a/drivers/crypto/qat/qat_dh895xcc/adf_drv.c
+++ b/drivers/crypto/qat/qat_dh895xcc/adf_drv.c
@@ -82,16 +82,21 @@ static struct pci_driver adf_driver = {
.id_table = adf_pci_tbl,
.name = adf_driver_name,
.probe = adf_probe,
- .remove = adf_remove
+ .remove = adf_remove,
+ .sriov_configure = adf_sriov_configure,
};
+static void adf_cleanup_pci_dev(struct adf_accel_dev *accel_dev)
+{
+ pci_release_regions(accel_dev->accel_pci_dev.pci_dev);
+ pci_disable_device(accel_dev->accel_pci_dev.pci_dev);
+}
+
static void adf_cleanup_accel(struct adf_accel_dev *accel_dev)
{
struct adf_accel_pci *accel_pci_dev = &accel_dev->accel_pci_dev;
int i;
- adf_dev_shutdown(accel_dev);
-
for (i = 0; i < ADF_PCI_MAX_BARS; i++) {
struct adf_bar *bar = &accel_pci_dev->pci_bars[i];
@@ -100,7 +105,7 @@ static void adf_cleanup_accel(struct adf_accel_dev *accel_dev)
}
if (accel_dev->hw_device) {
- switch (accel_dev->hw_device->pci_dev_id) {
+ switch (accel_pci_dev->pci_dev->device) {
case ADF_DH895XCC_PCI_DEVICE_ID:
adf_clean_hw_data_dh895xcc(accel_dev->hw_device);
break;
@@ -108,13 +113,11 @@ static void adf_cleanup_accel(struct adf_accel_dev *accel_dev)
break;
}
kfree(accel_dev->hw_device);
+ accel_dev->hw_device = NULL;
}
adf_cfg_dev_remove(accel_dev);
debugfs_remove(accel_dev->debugfs_dir);
- adf_devmgr_rm_dev(accel_dev);
- pci_release_regions(accel_pci_dev->pci_dev);
- pci_disable_device(accel_pci_dev->pci_dev);
- kfree(accel_dev);
+ adf_devmgr_rm_dev(accel_dev, NULL);
}
static int adf_dev_configure(struct adf_accel_dev *accel_dev)
@@ -167,12 +170,6 @@ static int adf_dev_configure(struct adf_accel_dev *accel_dev)
key, (void *)&val, ADF_DEC))
goto err;
- val = 4;
- snprintf(key, sizeof(key), ADF_CY "%d" ADF_RING_RND_TX, i);
- if (adf_cfg_add_key_value_param(accel_dev, ADF_KERNEL_SEC,
- key, (void *)&val, ADF_DEC))
- goto err;
-
val = 8;
snprintf(key, sizeof(key), ADF_CY "%d" ADF_RING_ASYM_RX, i);
if (adf_cfg_add_key_value_param(accel_dev, ADF_KERNEL_SEC,
@@ -185,12 +182,6 @@ static int adf_dev_configure(struct adf_accel_dev *accel_dev)
key, (void *)&val, ADF_DEC))
goto err;
- val = 12;
- snprintf(key, sizeof(key), ADF_CY "%d" ADF_RING_RND_RX, i);
- if (adf_cfg_add_key_value_param(accel_dev, ADF_KERNEL_SEC,
- key, (void *)&val, ADF_DEC))
- goto err;
-
val = ADF_COALESCING_DEF_TIME;
snprintf(key, sizeof(key), ADF_ETRMGR_COALESCE_TIMER_FORMAT, i);
if (adf_cfg_add_key_value_param(accel_dev, "Accelerator0",
@@ -217,7 +208,7 @@ static int adf_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
struct adf_hw_device_data *hw_data;
char name[ADF_DEVICE_NAME_LENGTH];
unsigned int i, bar_nr;
- int ret;
+ int ret, bar_mask;
switch (ent->device) {
case ADF_DH895XCC_PCI_DEVICE_ID:
@@ -241,10 +232,12 @@ static int adf_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
return -ENOMEM;
INIT_LIST_HEAD(&accel_dev->crypto_list);
+ accel_pci_dev = &accel_dev->accel_pci_dev;
+ accel_pci_dev->pci_dev = pdev;
/* Add accel device to accel table.
* This should be called before adf_cleanup_accel is called */
- if (adf_devmgr_add_dev(accel_dev)) {
+ if (adf_devmgr_add_dev(accel_dev, NULL)) {
dev_err(&pdev->dev, "Failed to add new accelerator device.\n");
kfree(accel_dev);
return -EFAULT;
@@ -267,7 +260,6 @@ static int adf_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
default:
return -ENODEV;
}
- accel_pci_dev = &accel_dev->accel_pci_dev;
pci_read_config_byte(pdev, PCI_REVISION_ID, &accel_pci_dev->revid);
pci_read_config_dword(pdev, ADF_DH895XCC_FUSECTL_OFFSET,
&hw_data->fuses);
@@ -276,7 +268,6 @@ static int adf_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
hw_data->accel_mask = hw_data->get_accel_mask(hw_data->fuses);
hw_data->ae_mask = hw_data->get_ae_mask(hw_data->fuses);
accel_pci_dev->sku = hw_data->get_sku(hw_data);
- accel_pci_dev->pci_dev = pdev;
/* If the device has no acceleration engines then ignore it. */
if (!hw_data->accel_mask || !hw_data->ae_mask ||
((~hw_data->ae_mask) & 0x01)) {
@@ -286,11 +277,14 @@ static int adf_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
}
/* Create dev top level debugfs entry */
- snprintf(name, sizeof(name), "%s%s_dev%d", ADF_DEVICE_NAME_PREFIX,
- hw_data->dev_class->name, hw_data->instance_id);
+ snprintf(name, sizeof(name), "%s%s_%02x:%02d.%02d",
+ ADF_DEVICE_NAME_PREFIX, hw_data->dev_class->name,
+ pdev->bus->number, PCI_SLOT(pdev->devfn),
+ PCI_FUNC(pdev->devfn));
+
accel_dev->debugfs_dir = debugfs_create_dir(name, NULL);
if (!accel_dev->debugfs_dir) {
- dev_err(&pdev->dev, "Could not create debugfs dir\n");
+ dev_err(&pdev->dev, "Could not create debugfs dir %s\n", name);
ret = -EINVAL;
goto out_err;
}
@@ -313,7 +307,7 @@ static int adf_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
if ((pci_set_dma_mask(pdev, DMA_BIT_MASK(32)))) {
dev_err(&pdev->dev, "No usable DMA configuration\n");
ret = -EFAULT;
- goto out_err;
+ goto out_err_disable;
} else {
pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32));
}
@@ -324,7 +318,7 @@ static int adf_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
if (pci_request_regions(pdev, adf_driver_name)) {
ret = -EFAULT;
- goto out_err;
+ goto out_err_disable;
}
/* Read accelerator capabilities mask */
@@ -332,19 +326,21 @@ static int adf_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
&hw_data->accel_capabilities_mask);
/* Find and map all the device's BARS */
- for (i = 0; i < ADF_PCI_MAX_BARS; i++) {
- struct adf_bar *bar = &accel_pci_dev->pci_bars[i];
+ i = 0;
+ bar_mask = pci_select_bars(pdev, IORESOURCE_MEM);
+ for_each_set_bit(bar_nr, (const unsigned long *)&bar_mask,
+ ADF_PCI_MAX_BARS * 2) {
+ struct adf_bar *bar = &accel_pci_dev->pci_bars[i++];
- bar_nr = i * 2;
bar->base_addr = pci_resource_start(pdev, bar_nr);
if (!bar->base_addr)
break;
bar->size = pci_resource_len(pdev, bar_nr);
bar->virt_addr = pci_iomap(accel_pci_dev->pci_dev, bar_nr, 0);
if (!bar->virt_addr) {
- dev_err(&pdev->dev, "Failed to map BAR %d\n", i);
+ dev_err(&pdev->dev, "Failed to map BAR %d\n", bar_nr);
ret = -EFAULT;
- goto out_err;
+ goto out_err_free_reg;
}
}
pci_set_master(pdev);
@@ -352,32 +348,40 @@ static int adf_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
if (adf_enable_aer(accel_dev, &adf_driver)) {
dev_err(&pdev->dev, "Failed to enable aer\n");
ret = -EFAULT;
- goto out_err;
+ goto out_err_free_reg;
}
if (pci_save_state(pdev)) {
dev_err(&pdev->dev, "Failed to save pci state\n");
ret = -ENOMEM;
- goto out_err;
+ goto out_err_free_reg;
}
ret = adf_dev_configure(accel_dev);
if (ret)
- goto out_err;
+ goto out_err_free_reg;
ret = adf_dev_init(accel_dev);
if (ret)
- goto out_err;
+ goto out_err_dev_shutdown;
ret = adf_dev_start(accel_dev);
- if (ret) {
- adf_dev_stop(accel_dev);
- goto out_err;
- }
+ if (ret)
+ goto out_err_dev_stop;
- return 0;
+ return ret;
+
+out_err_dev_stop:
+ adf_dev_stop(accel_dev);
+out_err_dev_shutdown:
+ adf_dev_shutdown(accel_dev);
+out_err_free_reg:
+ pci_release_regions(accel_pci_dev->pci_dev);
+out_err_disable:
+ pci_disable_device(accel_pci_dev->pci_dev);
out_err:
adf_cleanup_accel(accel_dev);
+ kfree(accel_dev);
return ret;
}
@@ -391,15 +395,17 @@ static void adf_remove(struct pci_dev *pdev)
}
if (adf_dev_stop(accel_dev))
dev_err(&GET_DEV(accel_dev), "Failed to stop QAT accel dev\n");
+
+ adf_dev_shutdown(accel_dev);
adf_disable_aer(accel_dev);
adf_cleanup_accel(accel_dev);
+ adf_cleanup_pci_dev(accel_dev);
+ kfree(accel_dev);
}
static int __init adfdrv_init(void)
{
request_module("intel_qat");
- if (qat_admin_register())
- return -EFAULT;
if (pci_register_driver(&adf_driver)) {
pr_err("QAT: Driver initialization failed\n");
@@ -411,7 +417,6 @@ static int __init adfdrv_init(void)
static void __exit adfdrv_release(void)
{
pci_unregister_driver(&adf_driver);
- qat_admin_unregister();
}
module_init(adfdrv_init);