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[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] [UNIKRAFT PATCH RFCv2 22/27] plat/pci_ecam: Fix a lot compilation warnings in pci_ecam
This fixes the compilation warnings when introducing pci_ecam
Signed-off-by: Jia He <justin.he@xxxxxxx>
---
plat/common/arm/pci_bus_arm64.c | 22 ++++++---------
plat/common/include/pci/pci_bus.h | 2 +-
plat/common/include/pci/pci_ecam.h | 2 +-
plat/common/pci_ecam.c | 44 +++++++++++++++---------------
plat/drivers/include/ofw/fdt.h | 11 ++++++++
5 files changed, 44 insertions(+), 37 deletions(-)
diff --git a/plat/common/arm/pci_bus_arm64.c b/plat/common/arm/pci_bus_arm64.c
index 1dfaeb3..4386d55 100644
--- a/plat/common/arm/pci_bus_arm64.c
+++ b/plat/common/arm/pci_bus_arm64.c
@@ -75,7 +75,6 @@ static inline int arch_pci_driver_add_device(struct
pci_driver *drv,
{
struct pci_device *dev;
int ret;
- __u32 val;
UK_ASSERT(drv != NULL);
UK_ASSERT(drv->add_dev != NULL);
@@ -97,7 +96,7 @@ static inline int arch_pci_driver_add_device(struct
pci_driver *drv,
dev->base = base;
dev->irq = irq;
- uk_pr_info("pci dev base(0x%llx) irq(%d)\n", dev->base, dev->irq);
+ uk_pr_info("pci dev base(0x%lx) irq(%ld)\n", dev->base, dev->irq);
if (drv->add_dev)
ret = drv->add_dev(dev); //virtio pci
@@ -119,7 +118,6 @@ int arch_pci_probe(struct uk_alloc *pha)
struct pci_driver *drv;
uint32_t bus;
uint8_t dev;
- int err;
int irq, pin = 0;
__u64 base;
int found_pci_device = 0;
@@ -137,7 +135,7 @@ int arch_pci_probe(struct uk_alloc *pha)
/* TODO: Retrieve the function bus, dev <<
PCI_DEV_BIT_NBR*/
addr.function = 0x0;
- pci_generic_config_read(bus, DEVFN(dev, 0),
PCI_VENDOR_ID, 2, &devid.vendor_id);
+ pci_generic_config_read(bus, DEVFN(dev, 0),
PCI_VENDOR_ID, 2, (void *)&devid.vendor_id);
if (devid.vendor_id == PCI_INVALID_ID) {
/* Device doesn't exist */
continue;
@@ -146,11 +144,11 @@ int arch_pci_probe(struct uk_alloc *pha)
/* mark we found any pci device */
found_pci_device = 1;
- pci_generic_config_read(bus, DEVFN(dev, 0),
PCI_CLASS_REVISION, 4, &devid.class_id);
- pci_generic_config_read(bus, DEVFN(dev, 0),
PCI_VENDOR_ID, 2, &devid.vendor_id);
- pci_generic_config_read(bus, DEVFN(dev, 0), PCI_DEV_ID,
2, &devid.device_id);
- pci_generic_config_read(bus, DEVFN(dev, 0),
PCI_SUBSYSTEM_VID, 2, &devid.subsystem_vendor_id);
- pci_generic_config_read(bus, DEVFN(dev, 0),
PCI_SUBSYSTEM_ID, 2, &devid.subsystem_device_id);
+ pci_generic_config_read(bus, DEVFN(dev, 0),
PCI_CLASS_REVISION, 4, (void *)&devid.class_id);
+ pci_generic_config_read(bus, DEVFN(dev, 0),
PCI_VENDOR_ID, 2, (void *)&devid.vendor_id);
+ pci_generic_config_read(bus, DEVFN(dev, 0), PCI_DEV_ID,
2, (void *)&devid.device_id);
+ pci_generic_config_read(bus, DEVFN(dev, 0),
PCI_SUBSYSTEM_VID, 2, (void *)&devid.subsystem_vendor_id);
+ pci_generic_config_read(bus, DEVFN(dev, 0),
PCI_SUBSYSTEM_ID, 2, (void *)&devid.subsystem_device_id);
uk_pr_info("PCI %02x:%02x.%02x (%04x %04x:%04x):
sb=%d,sv=%4x\n",
(int) addr.bus,
(int) addr.devid,
@@ -175,14 +173,14 @@ int arch_pci_probe(struct uk_alloc *pha)
drv = pci_find_driver(&devid);
if (!drv) {
- uk_pr_info("<no driver> for dev id=%d\n",
devid);
+ uk_pr_info("<no driver> for dev id=%d\n",
devid.device_id);
continue;
}
uk_pr_info("driver %p\n", drv);
/* probe the irq info*/
- pci_generic_config_read(bus, DEVFN(dev, 0),
PCI_INTERRUPT_PIN, 1, &pin);
+ pci_generic_config_read(bus, DEVFN(dev, 0),
PCI_INTERRUPT_PIN, 1, (void *)&pin);
out_irq.args_count = 1;
out_irq.args[0] = pin;
fdtaddr[0] = cpu_to_fdt32((bus << 16) | (DEVFN(dev,0)
<< 8));
@@ -192,8 +190,6 @@ int arch_pci_probe(struct uk_alloc *pha)
irq = gic_irq_translate(0, out_irq.args[1]);
arch_pci_driver_add_device(drv, &addr, &devid, irq,
base, pha);
-
- uk_pr_info("pci dev base(0x%llx) irq(%d)\n");
}
}
diff --git a/plat/common/include/pci/pci_bus.h
b/plat/common/include/pci/pci_bus.h
index 78ca977..3b6d863 100644
--- a/plat/common/include/pci/pci_bus.h
+++ b/plat/common/include/pci/pci_bus.h
@@ -181,7 +181,7 @@ struct pci_bus_handler {
struct uk_list_head drv_list; /**< List of PCI drivers */
struct uk_list_head dev_list; /**< List of PCI devices */
};
-static struct pci_bus_handler ph;
+static struct pci_bus_handler ph __unused;
#define PCI_INVALID_ID (0xFFFF)
#define PCI_DEVICE_ID_MASK (0xFFFF)
diff --git a/plat/common/include/pci/pci_ecam.h
b/plat/common/include/pci/pci_ecam.h
index f325a14..e2a42e2 100644
--- a/plat/common/include/pci/pci_ecam.h
+++ b/plat/common/include/pci/pci_ecam.h
@@ -92,7 +92,7 @@ struct fdt_phandle_args {
int pci_generic_config_read(__u8 bus, __u8 devfn,
- int where, int size, __u32 *val);
+ int where, int size, void *val);
int pci_generic_config_write(__u8 bus, __u8 devfn,
int where, int size, __u32 val);
diff --git a/plat/common/pci_ecam.c b/plat/common/pci_ecam.c
index b97a580..d07ff1d 100644
--- a/plat/common/pci_ecam.c
+++ b/plat/common/pci_ecam.c
@@ -89,7 +89,7 @@ static void *pci_ecam_map_bus(__u8 bus, __u8 devfn, int where)
}
int pci_generic_config_read(__u8 bus, __u8 devfn,
- int where, int size, __u32 *val)
+ int where, int size, void *val)
{
void *addr;
@@ -97,16 +97,16 @@ int pci_generic_config_read(__u8 bus, __u8 devfn,
rmb();
addr = pci_ecam_map_bus(bus, devfn, where);
if (!addr) {
- *val = ~0;
+ *(int *)val = ~0;
return -1;
}
if (size == 1)
- *val = ioreg_read8(addr);
+ *(uint8_t *)val = ioreg_read8(addr);
else if (size == 2)
- *val = ioreg_read16(addr);
+ *(uint16_t *)val = ioreg_read16(addr);
else if (size == 4)
- *val = ioreg_read32(addr);
+ *(uint32_t *)val = ioreg_read32(addr);
else
uk_pr_err("not support size pci config read\n");
@@ -117,7 +117,6 @@ int pci_generic_config_write(__u8 bus, __u8 devfn,
int where, int size, __u32 val)
{
void *addr;
- __u32 mask, tmp;
addr = pci_ecam_map_bus(bus, devfn, where);
if (!addr)
@@ -206,7 +205,7 @@ static int irq_find_parent(const void *fdt, int child)
{
int p;
int plen;
- fdt32_t *prop;
+ const fdt32_t *prop;
fdt32_t parent;
do {
@@ -234,7 +233,7 @@ int gen_pci_irq_parse(const fdt32_t *addr, struct
fdt_phandle_args *out_irq)
int addrsize, newaddrsize = 0;
int imaplen, match, i, rc = -EINVAL;
int plen;
- int *prop;
+ const fdt32_t *prop;
ipar = gen_pci_fdt;
@@ -255,7 +254,7 @@ int gen_pci_irq_parse(const fdt32_t *addr, struct
fdt_phandle_args *out_irq)
}
intsize = fdt32_to_cpu(prop[0]);
- uk_pr_info("irq_parse_raw: ipar=%p, size=%d\n", ipar, intsize);
+ uk_pr_info("irq_parse_raw: ipar=%x, size=%d\n", ipar, intsize);
if (out_irq->args_count != intsize)
goto fail;
@@ -385,7 +384,7 @@ int gen_pci_irq_parse(const fdt32_t *addr, struct
fdt_phandle_args *out_irq)
skiplevel:
/* Iterate again with new parent */
out_irq->np = newpar;
- uk_pr_info(" -> new parent: %pOF\n", newpar);
+ uk_pr_info(" -> new parent: %x\n", newpar);
ipar = newpar;
newpar = 0;
@@ -398,17 +397,15 @@ fail:
}
-static int gen_pci_probe(struct pf_device *pfdev)
+static int gen_pci_probe(struct pf_device *pfdev __unused)
{
const fdt32_t *prop;
int prop_len;
__u64 reg_base;
__u64 reg_size;
- int err;
struct pci_range range;
struct pci_range_parser parser;
- struct fdt_phandle_args out_irq;
- fdt32_t laddr[3];
+ int err;
/* 1.Get the base and size of config space */
gen_pci_fdt = fdt_node_offset_by_compatible(fdt_start, -1,
@@ -434,7 +431,7 @@ static int gen_pci_probe(struct pf_device *pfdev)
pcw.config_base = reg_base;
pcw.config_space_size = reg_size;
- uk_pr_info("generic pci config base(0x%llx),size(0x%llx)\n",
+ uk_pr_info("generic pci config base(0x%lx),size(0x%lx)\n",
reg_base, reg_size);
/* 2.Get the bus range of pci controller */
@@ -456,6 +453,11 @@ static int gen_pci_probe(struct pf_device *pfdev)
/* 3.Get the pci addr base and limit size for pci devices */
err = gen_pci_parser_range(&parser, gen_pci_fdt);
+ if (err < 0) {
+ uk_pr_err("bus-range detect error in fdt\n");
+ goto error_exit;
+ }
+
do {
pci_range_parser_one(&parser, &range, gen_pci_fdt);
if (range.flags == IORESOURCE_IO) {
@@ -465,7 +467,7 @@ static int gen_pci_probe(struct pf_device *pfdev)
}
parser.range += parser.np;
} while (parser.range + parser.np <= parser.end);
- uk_pr_info("generic pci range base(0x%llx),size(0x%llx)\n",
+ uk_pr_info("generic pci range base(0x%lx),size(0x%lx)\n",
pcw.pci_device_base, pcw.pci_device_limit);
return 0;
@@ -492,18 +494,16 @@ static int gen_pci_add_dev(struct pf_device *pfdev
__unused)
static const struct device_match_table gen_pci_match_table[];
-static struct pf_device_id *gen_pci_id_match_compatible(const char *compatible)
+static int gen_pci_id_match_compatible(const char *compatible)
{
- int i;
-
for (int i = 0; gen_pci_match_table[i].compatible != NULL; i++)
if (strcmp(gen_pci_match_table[i].compatible, compatible) == 0)
- return gen_pci_match_table[i].id;
+ return gen_pci_match_table[i].id->device_id;
- return NULL;
+ return -1;
}
-static const struct pf_device_id gen_pci_ids = {
+static struct pf_device_id gen_pci_ids = {
.device_id = GEN_PCI_ID
};
diff --git a/plat/drivers/include/ofw/fdt.h b/plat/drivers/include/ofw/fdt.h
index a3896ff..13dfdc2 100644
--- a/plat/drivers/include/ofw/fdt.h
+++ b/plat/drivers/include/ofw/fdt.h
@@ -200,4 +200,15 @@ int fdt_get_interrupt(const void *fdt, int nodeoffset,
*/
bool fdt_prop_read_bool(const void *fdt, int start_offset,
const char *propname);
+
+/**
+ * fdt_translate_address_by_ranges - Translate an address from the
+ * device-tree into a CPU physical address, this walks up the tree and
+ * applies the various bus mappings on the way.
+ * @fdt: pointer to the device tree blob
+ * @node_offset: start offset of the node to find the address for
+ * @regs regs in device-tree
+ */
+uint64_t fdt_translate_address_by_ranges(const void *fdt,
+ int node_offset, const fdt32_t *regs);
#endif
--
2.17.1
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