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path: root/drivers/crypto/ccp
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-rw-r--r--drivers/crypto/ccp/ccp-dev-v3.c7
-rw-r--r--drivers/crypto/ccp/ccp-dev.c61
-rw-r--r--drivers/crypto/ccp/ccp-dev.h6
-rw-r--r--drivers/crypto/ccp/ccp-pci.c114
-rw-r--r--drivers/crypto/ccp/ccp-platform.c56
5 files changed, 106 insertions, 138 deletions
diff --git a/drivers/crypto/ccp/ccp-dev-v3.c b/drivers/crypto/ccp/ccp-dev-v3.c
index 367c2e30656f..52aa88ba13a5 100644
--- a/drivers/crypto/ccp/ccp-dev-v3.c
+++ b/drivers/crypto/ccp/ccp-dev-v3.c
@@ -586,6 +586,13 @@ static const struct ccp_actions ccp3_actions = {
.irqhandler = ccp_irq_handler,
};
+const struct ccp_vdata ccpv3_platform = {
+ .version = CCP_VERSION(3, 0),
+ .setup = NULL,
+ .perform = &ccp3_actions,
+ .offset = 0,
+};
+
const struct ccp_vdata ccpv3 = {
.version = CCP_VERSION(3, 0),
.setup = NULL,
diff --git a/drivers/crypto/ccp/ccp-dev.c b/drivers/crypto/ccp/ccp-dev.c
index 67cbb3e76888..83a0ce5661ad 100644
--- a/drivers/crypto/ccp/ccp-dev.c
+++ b/drivers/crypto/ccp/ccp-dev.c
@@ -539,8 +539,69 @@ bool ccp_queues_suspended(struct ccp_device *ccp)
return ccp->cmd_q_count == suspended;
}
+
+int ccp_dev_suspend(struct ccp_device *ccp, pm_message_t state)
+{
+ unsigned long flags;
+ unsigned int i;
+
+ spin_lock_irqsave(&ccp->cmd_lock, flags);
+
+ ccp->suspending = 1;
+
+ /* Wake all the queue kthreads to prepare for suspend */
+ for (i = 0; i < ccp->cmd_q_count; i++)
+ wake_up_process(ccp->cmd_q[i].kthread);
+
+ spin_unlock_irqrestore(&ccp->cmd_lock, flags);
+
+ /* Wait for all queue kthreads to say they're done */
+ while (!ccp_queues_suspended(ccp))
+ wait_event_interruptible(ccp->suspend_queue,
+ ccp_queues_suspended(ccp));
+
+ return 0;
+}
+
+int ccp_dev_resume(struct ccp_device *ccp)
+{
+ unsigned long flags;
+ unsigned int i;
+
+ spin_lock_irqsave(&ccp->cmd_lock, flags);
+
+ ccp->suspending = 0;
+
+ /* Wake up all the kthreads */
+ for (i = 0; i < ccp->cmd_q_count; i++) {
+ ccp->cmd_q[i].suspended = 0;
+ wake_up_process(ccp->cmd_q[i].kthread);
+ }
+
+ spin_unlock_irqrestore(&ccp->cmd_lock, flags);
+
+ return 0;
+}
#endif
+int ccp_dev_init(struct ccp_device *ccp)
+{
+ ccp->io_regs = ccp->io_map + ccp->vdata->offset;
+
+ if (ccp->vdata->setup)
+ ccp->vdata->setup(ccp);
+
+ return ccp->vdata->perform->init(ccp);
+}
+
+void ccp_dev_destroy(struct ccp_device *ccp)
+{
+ if (!ccp)
+ return;
+
+ ccp->vdata->perform->destroy(ccp);
+}
+
static int __init ccp_mod_init(void)
{
#ifdef CONFIG_X86
diff --git a/drivers/crypto/ccp/ccp-dev.h b/drivers/crypto/ccp/ccp-dev.h
index a70154ac7405..df2e76e212ea 100644
--- a/drivers/crypto/ccp/ccp-dev.h
+++ b/drivers/crypto/ccp/ccp-dev.h
@@ -652,6 +652,11 @@ void ccp_dmaengine_unregister(struct ccp_device *ccp);
void ccp5_debugfs_setup(struct ccp_device *ccp);
void ccp5_debugfs_destroy(void);
+int ccp_dev_init(struct ccp_device *ccp);
+void ccp_dev_destroy(struct ccp_device *ccp);
+int ccp_dev_suspend(struct ccp_device *ccp, pm_message_t state);
+int ccp_dev_resume(struct ccp_device *ccp);
+
/* Structure for computation functions that are device-specific */
struct ccp_actions {
int (*aes)(struct ccp_op *);
@@ -679,6 +684,7 @@ struct ccp_vdata {
const unsigned int offset;
};
+extern const struct ccp_vdata ccpv3_platform;
extern const struct ccp_vdata ccpv3;
extern const struct ccp_vdata ccpv5a;
extern const struct ccp_vdata ccpv5b;
diff --git a/drivers/crypto/ccp/ccp-pci.c b/drivers/crypto/ccp/ccp-pci.c
index e880d4cf4ada..490ad0ad2218 100644
--- a/drivers/crypto/ccp/ccp-pci.c
+++ b/drivers/crypto/ccp/ccp-pci.c
@@ -150,28 +150,13 @@ static void ccp_free_irqs(struct ccp_device *ccp)
ccp->irq = 0;
}
-static int ccp_find_mmio_area(struct ccp_device *ccp)
-{
- struct device *dev = ccp->dev;
- struct pci_dev *pdev = to_pci_dev(dev);
- resource_size_t io_len;
- unsigned long io_flags;
-
- io_flags = pci_resource_flags(pdev, ccp->vdata->bar);
- io_len = pci_resource_len(pdev, ccp->vdata->bar);
- if ((io_flags & IORESOURCE_MEM) &&
- (io_len >= (ccp->vdata->offset + 0x800)))
- return ccp->vdata->bar;
-
- return -EIO;
-}
-
static int ccp_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id)
{
struct ccp_device *ccp;
struct ccp_pci *ccp_pci;
struct device *dev = &pdev->dev;
- unsigned int bar;
+ void __iomem * const *iomap_table;
+ int bar_mask;
int ret;
ret = -ENOMEM;
@@ -193,32 +178,34 @@ static int ccp_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id)
ccp->get_irq = ccp_get_irqs;
ccp->free_irq = ccp_free_irqs;
- ret = pci_request_regions(pdev, "ccp");
+ ret = pcim_enable_device(pdev);
if (ret) {
- dev_err(dev, "pci_request_regions failed (%d)\n", ret);
+ dev_err(dev, "pcim_enable_device failed (%d)\n", ret);
goto e_err;
}
- ret = pci_enable_device(pdev);
+ bar_mask = pci_select_bars(pdev, IORESOURCE_MEM);
+ ret = pcim_iomap_regions(pdev, bar_mask, "ccp");
if (ret) {
- dev_err(dev, "pci_enable_device failed (%d)\n", ret);
- goto e_regions;
+ dev_err(dev, "pcim_iomap_regions failed (%d)\n", ret);
+ goto e_err;
}
- pci_set_master(pdev);
-
- ret = ccp_find_mmio_area(ccp);
- if (ret < 0)
- goto e_device;
- bar = ret;
+ iomap_table = pcim_iomap_table(pdev);
+ if (!iomap_table) {
+ dev_err(dev, "pcim_iomap_table failed\n");
+ ret = -ENOMEM;
+ goto e_err;
+ }
- ret = -EIO;
- ccp->io_map = pci_iomap(pdev, bar, 0);
+ ccp->io_map = iomap_table[ccp->vdata->bar];
if (!ccp->io_map) {
- dev_err(dev, "pci_iomap failed\n");
- goto e_device;
+ dev_err(dev, "ioremap failed\n");
+ ret = -ENOMEM;
+ goto e_err;
}
- ccp->io_regs = ccp->io_map + ccp->vdata->offset;
+
+ pci_set_master(pdev);
ret = dma_set_mask_and_coherent(dev, DMA_BIT_MASK(48));
if (ret) {
@@ -226,32 +213,20 @@ static int ccp_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id)
if (ret) {
dev_err(dev, "dma_set_mask_and_coherent failed (%d)\n",
ret);
- goto e_iomap;
+ goto e_err;
}
}
dev_set_drvdata(dev, ccp);
- if (ccp->vdata->setup)
- ccp->vdata->setup(ccp);
-
- ret = ccp->vdata->perform->init(ccp);
+ ret = ccp_dev_init(ccp);
if (ret)
- goto e_iomap;
+ goto e_err;
dev_notice(dev, "enabled\n");
return 0;
-e_iomap:
- pci_iounmap(pdev, ccp->io_map);
-
-e_device:
- pci_disable_device(pdev);
-
-e_regions:
- pci_release_regions(pdev);
-
e_err:
dev_notice(dev, "initialization failed\n");
return ret;
@@ -265,13 +240,7 @@ static void ccp_pci_remove(struct pci_dev *pdev)
if (!ccp)
return;
- ccp->vdata->perform->destroy(ccp);
-
- pci_iounmap(pdev, ccp->io_map);
-
- pci_disable_device(pdev);
-
- pci_release_regions(pdev);
+ ccp_dev_destroy(ccp);
dev_notice(dev, "disabled\n");
}
@@ -281,47 +250,16 @@ static int ccp_pci_suspend(struct pci_dev *pdev, pm_message_t state)
{
struct device *dev = &pdev->dev;
struct ccp_device *ccp = dev_get_drvdata(dev);
- unsigned long flags;
- unsigned int i;
-
- spin_lock_irqsave(&ccp->cmd_lock, flags);
-
- ccp->suspending = 1;
-
- /* Wake all the queue kthreads to prepare for suspend */
- for (i = 0; i < ccp->cmd_q_count; i++)
- wake_up_process(ccp->cmd_q[i].kthread);
- spin_unlock_irqrestore(&ccp->cmd_lock, flags);
-
- /* Wait for all queue kthreads to say they're done */
- while (!ccp_queues_suspended(ccp))
- wait_event_interruptible(ccp->suspend_queue,
- ccp_queues_suspended(ccp));
-
- return 0;
+ return ccp_dev_suspend(ccp, state);
}
static int ccp_pci_resume(struct pci_dev *pdev)
{
struct device *dev = &pdev->dev;
struct ccp_device *ccp = dev_get_drvdata(dev);
- unsigned long flags;
- unsigned int i;
-
- spin_lock_irqsave(&ccp->cmd_lock, flags);
-
- ccp->suspending = 0;
- /* Wake up all the kthreads */
- for (i = 0; i < ccp->cmd_q_count; i++) {
- ccp->cmd_q[i].suspended = 0;
- wake_up_process(ccp->cmd_q[i].kthread);
- }
-
- spin_unlock_irqrestore(&ccp->cmd_lock, flags);
-
- return 0;
+ return ccp_dev_resume(ccp);
}
#endif
diff --git a/drivers/crypto/ccp/ccp-platform.c b/drivers/crypto/ccp/ccp-platform.c
index 6020c4ae72fc..613188c5a624 100644
--- a/drivers/crypto/ccp/ccp-platform.c
+++ b/drivers/crypto/ccp/ccp-platform.c
@@ -104,19 +104,6 @@ static void ccp_free_irqs(struct ccp_device *ccp)
free_irq(ccp->irq, dev);
}
-static struct resource *ccp_find_mmio_area(struct ccp_device *ccp)
-{
- struct device *dev = ccp->dev;
- struct platform_device *pdev = to_platform_device(dev);
- struct resource *ior;
-
- ior = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- if (ior && (resource_size(ior) >= 0x800))
- return ior;
-
- return NULL;
-}
-
static int ccp_platform_probe(struct platform_device *pdev)
{
struct ccp_device *ccp;
@@ -146,7 +133,7 @@ static int ccp_platform_probe(struct platform_device *pdev)
ccp->get_irq = ccp_get_irqs;
ccp->free_irq = ccp_free_irqs;
- ior = ccp_find_mmio_area(ccp);
+ ior = platform_get_resource(pdev, IORESOURCE_MEM, 0);
ccp->io_map = devm_ioremap_resource(dev, ior);
if (IS_ERR(ccp->io_map)) {
ret = PTR_ERR(ccp->io_map);
@@ -174,7 +161,7 @@ static int ccp_platform_probe(struct platform_device *pdev)
dev_set_drvdata(dev, ccp);
- ret = ccp->vdata->perform->init(ccp);
+ ret = ccp_dev_init(ccp);
if (ret)
goto e_err;
@@ -192,7 +179,7 @@ static int ccp_platform_remove(struct platform_device *pdev)
struct device *dev = &pdev->dev;
struct ccp_device *ccp = dev_get_drvdata(dev);
- ccp->vdata->perform->destroy(ccp);
+ ccp_dev_destroy(ccp);
dev_notice(dev, "disabled\n");
@@ -205,47 +192,16 @@ static int ccp_platform_suspend(struct platform_device *pdev,
{
struct device *dev = &pdev->dev;
struct ccp_device *ccp = dev_get_drvdata(dev);
- unsigned long flags;
- unsigned int i;
-
- spin_lock_irqsave(&ccp->cmd_lock, flags);
- ccp->suspending = 1;
-
- /* Wake all the queue kthreads to prepare for suspend */
- for (i = 0; i < ccp->cmd_q_count; i++)
- wake_up_process(ccp->cmd_q[i].kthread);
-
- spin_unlock_irqrestore(&ccp->cmd_lock, flags);
-
- /* Wait for all queue kthreads to say they're done */
- while (!ccp_queues_suspended(ccp))
- wait_event_interruptible(ccp->suspend_queue,
- ccp_queues_suspended(ccp));
-
- return 0;
+ return ccp_dev_suspend(ccp, state);
}
static int ccp_platform_resume(struct platform_device *pdev)
{
struct device *dev = &pdev->dev;
struct ccp_device *ccp = dev_get_drvdata(dev);
- unsigned long flags;
- unsigned int i;
-
- spin_lock_irqsave(&ccp->cmd_lock, flags);
- ccp->suspending = 0;
-
- /* Wake up all the kthreads */
- for (i = 0; i < ccp->cmd_q_count; i++) {
- ccp->cmd_q[i].suspended = 0;
- wake_up_process(ccp->cmd_q[i].kthread);
- }
-
- spin_unlock_irqrestore(&ccp->cmd_lock, flags);
-
- return 0;
+ return ccp_dev_resume(ccp);
}
#endif
@@ -260,7 +216,7 @@ MODULE_DEVICE_TABLE(acpi, ccp_acpi_match);
#ifdef CONFIG_OF
static const struct of_device_id ccp_of_match[] = {
{ .compatible = "amd,ccp-seattle-v1a",
- .data = (const void *)&ccpv3 },
+ .data = (const void *)&ccpv3_platform },
{ },
};
MODULE_DEVICE_TABLE(of, ccp_of_match);
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-17 05:27:36 +0000