enum pci_barno {
BAR_0,
BAR_1,
-@@ -92,6 +103,7 @@ struct pci_endpoint_test {
- void __iomem *bar[6];
- struct completion irq_raised;
- int last_irq;
-+ int num_irqs;
- /* mutex to protect the ioctls */
- struct mutex mutex;
- struct miscdevice miscdev;
-@@ -102,7 +114,7 @@ struct pci_endpoint_test {
+@@ -103,7 +114,7 @@ struct pci_endpoint_test {
struct pci_endpoint_test_data {
enum pci_barno test_reg_bar;
size_t alignment;
};
static inline u32 pci_endpoint_test_readl(struct pci_endpoint_test *test,
-@@ -146,6 +158,100 @@ static irqreturn_t pci_endpoint_test_irq
+@@ -147,6 +158,100 @@ static irqreturn_t pci_endpoint_test_irq
return IRQ_HANDLED;
}
static bool pci_endpoint_test_bar(struct pci_endpoint_test *test,
enum pci_barno barno)
{
-@@ -178,6 +284,9 @@ static bool pci_endpoint_test_legacy_irq
+@@ -179,6 +284,9 @@ static bool pci_endpoint_test_legacy_irq
{
u32 val;
pci_endpoint_test_writel(test, PCI_ENDPOINT_TEST_COMMAND,
COMMAND_RAISE_LEGACY_IRQ);
val = wait_for_completion_timeout(&test->irq_raised,
-@@ -189,20 +298,24 @@ static bool pci_endpoint_test_legacy_irq
+@@ -190,20 +298,24 @@ static bool pci_endpoint_test_legacy_irq
}
static bool pci_endpoint_test_msi_irq(struct pci_endpoint_test *test,
return true;
return false;
-@@ -226,10 +339,18 @@ static bool pci_endpoint_test_copy(struc
- u32 src_crc32;
- u32 dst_crc32;
+@@ -230,10 +342,18 @@ static bool pci_endpoint_test_copy(struc
+ if (size > SIZE_MAX - alignment)
+ goto err;
+ if (size > SIZE_MAX - alignment)
+ goto err;
ret = false;
goto err;
}
-@@ -255,7 +376,7 @@ static bool pci_endpoint_test_copy(struc
+@@ -259,7 +379,7 @@ static bool pci_endpoint_test_copy(struc
orig_dst_addr = dma_alloc_coherent(dev, size + alignment,
&orig_dst_phys_addr, GFP_KERNEL);
if (!orig_dst_addr) {
ret = false;
goto err_orig_src_addr;
}
-@@ -277,8 +398,10 @@ static bool pci_endpoint_test_copy(struc
+@@ -281,8 +401,10 @@ static bool pci_endpoint_test_copy(struc
pci_endpoint_test_writel(test, PCI_ENDPOINT_TEST_SIZE,
size);
wait_for_completion(&test->irq_raised);
-@@ -311,10 +434,18 @@ static bool pci_endpoint_test_write(stru
- size_t alignment = test->alignment;
- u32 crc32;
+@@ -318,10 +440,18 @@ static bool pci_endpoint_test_write(stru
+ if (size > SIZE_MAX - alignment)
+ goto err;
+ if (size > SIZE_MAX - alignment)
+ goto err;
ret = false;
goto err;
}
-@@ -341,8 +472,10 @@ static bool pci_endpoint_test_write(stru
+@@ -348,8 +478,10 @@ static bool pci_endpoint_test_write(stru
pci_endpoint_test_writel(test, PCI_ENDPOINT_TEST_SIZE, size);
wait_for_completion(&test->irq_raised);
-@@ -369,10 +502,18 @@ static bool pci_endpoint_test_read(struc
- size_t alignment = test->alignment;
- u32 crc32;
+@@ -379,10 +511,18 @@ static bool pci_endpoint_test_read(struc
+ if (size > SIZE_MAX - alignment)
+ goto err;
+ if (size > SIZE_MAX - alignment)
+ goto err;
ret = false;
goto err;
}
-@@ -393,8 +534,10 @@ static bool pci_endpoint_test_read(struc
+@@ -403,8 +543,10 @@ static bool pci_endpoint_test_read(struc
pci_endpoint_test_writel(test, PCI_ENDPOINT_TEST_SIZE, size);
wait_for_completion(&test->irq_raised);
-@@ -407,6 +550,38 @@ err:
+@@ -417,6 +559,38 @@ err:
return ret;
}
static long pci_endpoint_test_ioctl(struct file *file, unsigned int cmd,
unsigned long arg)
{
-@@ -426,7 +601,8 @@ static long pci_endpoint_test_ioctl(stru
+@@ -436,7 +610,8 @@ static long pci_endpoint_test_ioctl(stru
ret = pci_endpoint_test_legacy_irq(test);
break;
case PCITEST_MSI:
break;
case PCITEST_WRITE:
ret = pci_endpoint_test_write(test, arg);
-@@ -437,6 +613,12 @@ static long pci_endpoint_test_ioctl(stru
+@@ -447,6 +622,12 @@ static long pci_endpoint_test_ioctl(stru
case PCITEST_COPY:
ret = pci_endpoint_test_copy(test, arg);
break;
}
ret:
-@@ -452,9 +634,7 @@ static const struct file_operations pci_
+@@ -462,9 +643,7 @@ static const struct file_operations pci_
static int pci_endpoint_test_probe(struct pci_dev *pdev,
const struct pci_device_id *ent)
{
int err;
- int irq = 0;
int id;
- char name[20];
+ char name[24];
enum pci_barno bar;
-@@ -476,12 +656,15 @@ static int pci_endpoint_test_probe(struc
+@@ -486,12 +665,15 @@ static int pci_endpoint_test_probe(struc
test->alignment = 0;
test->pdev = pdev;
}
init_completion(&test->irq_raised);
-@@ -501,35 +684,21 @@ static int pci_endpoint_test_probe(struc
+@@ -511,36 +693,21 @@ static int pci_endpoint_test_probe(struc
pci_set_master(pdev);
- irq = pci_alloc_irq_vectors(pdev, 1, 32, PCI_IRQ_MSI);
- if (irq < 0)
- dev_err(dev, "failed to get MSI interrupts\n");
+- test->num_irqs = irq;
- }
+ if (!pci_endpoint_test_alloc_irq_vectors(test, irq_type))
+ goto err_disable_irq;
}
test->base = test->bar[test_reg_bar];
-@@ -545,24 +714,31 @@ static int pci_endpoint_test_probe(struc
+@@ -556,24 +723,31 @@ static int pci_endpoint_test_probe(struc
id = ida_simple_get(&pci_endpoint_test_ida, 0, 0, GFP_KERNEL);
if (id < 0) {
err = id;
err_ida_remove:
ida_simple_remove(&pci_endpoint_test_ida, id);
-@@ -571,9 +747,10 @@ err_iounmap:
- if (test->bar[bar])
+@@ -583,11 +757,13 @@ err_iounmap:
pci_iounmap(pdev, test->bar[bar]);
}
+
+- for (i = 0; i < irq; i++)
+- devm_free_irq(dev, pdev->irq + i, test);
+ pci_endpoint_test_release_irq(test);
--err_disable_msi:
-- pci_disable_msi(pdev);
+ err_disable_msi:
+ pci_disable_msi(pdev);
++
+err_disable_irq:
+ pci_endpoint_test_free_irq_vectors(test);
pci_release_regions(pdev);
err_disable_pdev:
-@@ -595,12 +772,16 @@ static void pci_endpoint_test_remove(str
+@@ -610,14 +786,15 @@ static void pci_endpoint_test_remove(str
return;
misc_deregister(&test->miscdev);
if (test->bar[bar])
pci_iounmap(pdev, test->bar[bar]);
}
+- for (i = 0; i < test->num_irqs; i++)
+- devm_free_irq(&pdev->dev, pdev->irq + i, test);
- pci_disable_msi(pdev);
+
+ pci_endpoint_test_release_irq(test);
+ pci_endpoint_test_free_irq_vectors(test);
-+
pci_release_regions(pdev);
pci_disable_device(pdev);
}
-@@ -608,6 +789,7 @@ static void pci_endpoint_test_remove(str
+@@ -625,6 +802,7 @@ static void pci_endpoint_test_remove(str
static const struct pci_device_id pci_endpoint_test_tbl[] = {
{ PCI_DEVICE(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_DRA74x) },
{ PCI_DEVICE(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_DRA72x) },
* them, we have to fall back to INTx or other interrupts, e.g., a
--- a/drivers/pci/quirks.c
+++ b/drivers/pci/quirks.c
-@@ -3394,6 +3394,13 @@ DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_A
+@@ -3395,6 +3395,13 @@ DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_A
DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_ATHEROS, 0x0033, quirk_no_bus_reset);
DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_ATHEROS, 0x0034, quirk_no_bus_reset);
static void quirk_no_pm_reset(struct pci_dev *dev)
{
/*
-@@ -4878,3 +4885,11 @@ static void quirk_no_ats(struct pci_dev
- DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_ATI, 0x98e4, quirk_no_ats);
- DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_ATI, 0x6900, quirk_no_ats);
- #endif /* CONFIG_PCI_ATS */
-+
-+/* Freescale PCIe doesn't support MSI in RC mode */
-+static void quirk_fsl_no_msi(struct pci_dev *pdev)
-+{
-+ if (pci_pcie_type(pdev) == PCI_EXP_TYPE_ROOT_PORT)
-+ pdev->no_msi = 1;
-+}
-+DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_FREESCALE, PCI_ANY_ID, quirk_fsl_no_msi);
--- a/include/linux/pci-ep-cfs.h
+++ b/include/linux/pci-ep-cfs.h
@@ -1,12 +1,9 @@
int (*start)(struct pci_epc *epc);
void (*stop)(struct pci_epc *epc);
struct module *owner;
-@@ -91,8 +97,17 @@ struct pci_epc {
+@@ -94,8 +100,17 @@ struct pci_epc {
struct config_group *group;
/* spinlock to protect against concurrent access of EP controller */
spinlock_t lock;
#define to_pci_epc(device) container_of((device), struct pci_epc, dev)
#define pci_epc_create(dev, ops) \
-@@ -124,17 +139,23 @@ void pci_epc_destroy(struct pci_epc *epc
+@@ -127,17 +142,23 @@ void pci_epc_destroy(struct pci_epc *epc
int pci_epc_add_epf(struct pci_epc *epc, struct pci_epf *epf);
void pci_epc_linkup(struct pci_epc *epc);
void pci_epc_remove_epf(struct pci_epc *epc, struct pci_epf *epf);
#endif /* __UAPI_LINUX_PCITEST_H */
--- a/tools/pci/pcitest.c
+++ b/tools/pci/pcitest.c
-@@ -31,12 +31,17 @@
+@@ -30,12 +30,17 @@
#define BILLION 1E9
static char *result[] = { "NOT OKAY", "OKAY" };
bool read;
bool write;
bool copy;
-@@ -65,6 +70,24 @@ static int run_test(struct pci_test *tes
+@@ -62,6 +67,24 @@ static int run_test(struct pci_test *tes
fprintf(stdout, "%s\n", result[ret]);
}
if (test->legacyirq) {
ret = ioctl(fd, PCITEST_LEGACY_IRQ, 0);
fprintf(stdout, "LEGACY IRQ:\t");
-@@ -83,6 +106,15 @@ static int run_test(struct pci_test *tes
+@@ -80,6 +103,15 @@ static int run_test(struct pci_test *tes
fprintf(stdout, "%s\n", result[ret]);
}
if (test->write) {
ret = ioctl(fd, PCITEST_WRITE, test->size);
fprintf(stdout, "WRITE (%7ld bytes):\t\t", test->size);
-@@ -133,7 +165,7 @@ int main(int argc, char **argv)
+@@ -130,7 +162,7 @@ int main(int argc, char **argv)
/* set default endpoint device */
test->device = "/dev/pci-endpoint-test.0";
switch (c) {
case 'D':
test->device = optarg;
-@@ -151,6 +183,20 @@ int main(int argc, char **argv)
+@@ -148,6 +180,20 @@ int main(int argc, char **argv)
if (test->msinum < 1 || test->msinum > 32)
goto usage;
continue;
case 'r':
test->read = true;
continue;
-@@ -173,6 +219,9 @@ usage:
+@@ -170,6 +216,9 @@ usage:
"\t-D <dev> PCI endpoint test device {default: /dev/pci-endpoint-test.0}\n"
"\t-b <bar num> BAR test (bar number between 0..5)\n"
"\t-m <msi num> MSI test (msi number between 1..32)\n"
projects / openwrt / staging / adrian.git / blobdiff