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path: root/drivers/net/ethernet/cavium/liquidio/octeon_device.c
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Diffstat (limited to 'drivers/net/ethernet/cavium/liquidio/octeon_device.c')
-rw-r--r--drivers/net/ethernet/cavium/liquidio/octeon_device.c77
1 files changed, 40 insertions, 37 deletions
diff --git a/drivers/net/ethernet/cavium/liquidio/octeon_device.c b/drivers/net/ethernet/cavium/liquidio/octeon_device.c
index ce8c3f818666..1753bb87dfbd 100644
--- a/drivers/net/ethernet/cavium/liquidio/octeon_device.c
+++ b/drivers/net/ethernet/cavium/liquidio/octeon_device.c
@@ -545,7 +545,7 @@ static atomic_t adapter_fw_states[MAX_OCTEON_DEVICES];
static u32 octeon_device_count;
/* locks device array (i.e. octeon_device[]) */
-static spinlock_t octeon_devices_lock;
+static DEFINE_SPINLOCK(octeon_devices_lock);
static struct octeon_core_setup core_setup[MAX_OCTEON_DEVICES];
@@ -563,8 +563,8 @@ void octeon_init_device_list(int conf_type)
memset(octeon_device, 0, (sizeof(void *) * MAX_OCTEON_DEVICES));
for (i = 0; i < MAX_OCTEON_DEVICES; i++)
oct_set_config_info(i, conf_type);
- spin_lock_init(&octeon_devices_lock);
}
+EXPORT_SYMBOL_GPL(octeon_init_device_list);
static void *__retrieve_octeon_config_info(struct octeon_device *oct,
u16 card_type)
@@ -634,6 +634,7 @@ char *lio_get_state_string(atomic_t *state_ptr)
return oct_dev_state_str[OCT_DEV_STATE_INVALID];
return oct_dev_state_str[istate];
}
+EXPORT_SYMBOL_GPL(lio_get_state_string);
static char *get_oct_app_string(u32 app_mode)
{
@@ -662,6 +663,7 @@ void octeon_free_device_mem(struct octeon_device *oct)
octeon_device[i] = NULL;
octeon_device_count--;
}
+EXPORT_SYMBOL_GPL(octeon_free_device_mem);
static struct octeon_device *octeon_allocate_device_mem(u32 pci_id,
u32 priv_size)
@@ -748,6 +750,7 @@ struct octeon_device *octeon_allocate_device(u32 pci_id,
return oct;
}
+EXPORT_SYMBOL_GPL(octeon_allocate_device);
/** Register a device's bus location at initialization time.
* @param octeon_dev - pointer to the octeon device structure.
@@ -805,6 +808,7 @@ int octeon_register_device(struct octeon_device *oct,
return refcount;
}
+EXPORT_SYMBOL_GPL(octeon_register_device);
/** Deregister a device at de-initialization time.
* @param octeon_dev - pointer to the octeon device structure.
@@ -822,6 +826,7 @@ int octeon_deregister_device(struct octeon_device *oct)
return refcount;
}
+EXPORT_SYMBOL_GPL(octeon_deregister_device);
int
octeon_allocate_ioq_vector(struct octeon_device *oct, u32 num_ioqs)
@@ -854,12 +859,14 @@ octeon_allocate_ioq_vector(struct octeon_device *oct, u32 num_ioqs)
return 0;
}
+EXPORT_SYMBOL_GPL(octeon_allocate_ioq_vector);
void
octeon_free_ioq_vector(struct octeon_device *oct)
{
vfree(oct->ioq_vector);
}
+EXPORT_SYMBOL_GPL(octeon_free_ioq_vector);
/* this function is only for setting up the first queue */
int octeon_setup_instr_queues(struct octeon_device *oct)
@@ -905,6 +912,7 @@ int octeon_setup_instr_queues(struct octeon_device *oct)
oct->num_iqs++;
return 0;
}
+EXPORT_SYMBOL_GPL(octeon_setup_instr_queues);
int octeon_setup_output_queues(struct octeon_device *oct)
{
@@ -941,6 +949,7 @@ int octeon_setup_output_queues(struct octeon_device *oct)
return 0;
}
+EXPORT_SYMBOL_GPL(octeon_setup_output_queues);
int octeon_set_io_queues_off(struct octeon_device *oct)
{
@@ -990,6 +999,7 @@ int octeon_set_io_queues_off(struct octeon_device *oct)
}
return 0;
}
+EXPORT_SYMBOL_GPL(octeon_set_io_queues_off);
void octeon_set_droq_pkt_op(struct octeon_device *oct,
u32 q_no,
@@ -1028,6 +1038,7 @@ int octeon_init_dispatch_list(struct octeon_device *oct)
return 0;
}
+EXPORT_SYMBOL_GPL(octeon_init_dispatch_list);
void octeon_delete_dispatch_list(struct octeon_device *oct)
{
@@ -1056,9 +1067,10 @@ void octeon_delete_dispatch_list(struct octeon_device *oct)
list_for_each_safe(temp, tmp2, &freelist) {
list_del(temp);
- vfree(temp);
+ kfree(temp);
}
}
+EXPORT_SYMBOL_GPL(octeon_delete_dispatch_list);
octeon_dispatch_fn_t
octeon_get_dispatch(struct octeon_device *octeon_dev, u16 opcode,
@@ -1152,13 +1164,10 @@ octeon_register_dispatch_fn(struct octeon_device *oct,
dev_dbg(&oct->pci_dev->dev,
"Adding opcode to dispatch list linked list\n");
- dispatch = (struct octeon_dispatch *)
- vmalloc(sizeof(struct octeon_dispatch));
- if (!dispatch) {
- dev_err(&oct->pci_dev->dev,
- "No memory to add dispatch function\n");
+ dispatch = kmalloc(sizeof(*dispatch), GFP_KERNEL);
+ if (!dispatch)
return 1;
- }
+
dispatch->opcode = combined_opcode;
dispatch->dispatch_fn = fn;
dispatch->arg = fn_arg;
@@ -1184,6 +1193,7 @@ octeon_register_dispatch_fn(struct octeon_device *oct,
return 0;
}
+EXPORT_SYMBOL_GPL(octeon_register_dispatch_fn);
int octeon_core_drv_init(struct octeon_recv_info *recv_info, void *buf)
{
@@ -1207,10 +1217,10 @@ int octeon_core_drv_init(struct octeon_recv_info *recv_info, void *buf)
goto core_drv_init_err;
}
- strncpy(app_name,
+ strscpy(app_name,
get_oct_app_string(
(u32)recv_pkt->rh.r_core_drv_init.app_mode),
- sizeof(app_name) - 1);
+ sizeof(app_name));
oct->app_mode = (u32)recv_pkt->rh.r_core_drv_init.app_mode;
if (recv_pkt->rh.r_core_drv_init.app_mode == CVM_DRV_NIC_APP) {
oct->fw_info.max_nic_ports =
@@ -1247,9 +1257,10 @@ int octeon_core_drv_init(struct octeon_recv_info *recv_info, void *buf)
memcpy(cs, get_rbd(
recv_pkt->buffer_ptr[0]) + OCT_DROQ_INFO_SIZE, sizeof(*cs));
- strncpy(oct->boardinfo.name, cs->boardname, OCT_BOARD_NAME);
- strncpy(oct->boardinfo.serial_number, cs->board_serial_number,
- OCT_SERIAL_LEN);
+ strscpy(oct->boardinfo.name, cs->boardname,
+ sizeof(oct->boardinfo.name));
+ strscpy(oct->boardinfo.serial_number, cs->board_serial_number,
+ sizeof(oct->boardinfo.serial_number));
octeon_swap_8B_data((u64 *)cs, (sizeof(*cs) >> 3));
@@ -1266,6 +1277,7 @@ core_drv_init_err:
octeon_free_recv_info(recv_info);
return 0;
}
+EXPORT_SYMBOL_GPL(octeon_core_drv_init);
int octeon_get_tx_qsize(struct octeon_device *oct, u32 q_no)
@@ -1276,6 +1288,7 @@ int octeon_get_tx_qsize(struct octeon_device *oct, u32 q_no)
return -1;
}
+EXPORT_SYMBOL_GPL(octeon_get_tx_qsize);
int octeon_get_rx_qsize(struct octeon_device *oct, u32 q_no)
{
@@ -1284,6 +1297,7 @@ int octeon_get_rx_qsize(struct octeon_device *oct, u32 q_no)
return oct->droq[q_no]->max_count;
return -1;
}
+EXPORT_SYMBOL_GPL(octeon_get_rx_qsize);
/* Retruns the host firmware handshake OCTEON specific configuration */
struct octeon_config *octeon_get_conf(struct octeon_device *oct)
@@ -1306,11 +1320,12 @@ struct octeon_config *octeon_get_conf(struct octeon_device *oct)
}
return default_oct_conf;
}
+EXPORT_SYMBOL_GPL(octeon_get_conf);
/* scratch register address is same in all the OCT-II and CN70XX models */
#define CNXX_SLI_SCRATCH1 0x3C0
-/** Get the octeon device pointer.
+/* Get the octeon device pointer.
* @param octeon_id - The id for which the octeon device pointer is required.
* @return Success: Octeon device pointer.
* @return Failure: NULL.
@@ -1322,12 +1337,13 @@ struct octeon_device *lio_get_device(u32 octeon_id)
else
return octeon_device[octeon_id];
}
+EXPORT_SYMBOL_GPL(lio_get_device);
u64 lio_pci_readq(struct octeon_device *oct, u64 addr)
{
u64 val64;
unsigned long flags;
- u32 val32, addrhi;
+ u32 addrhi;
spin_lock_irqsave(&oct->pci_win_lock, flags);
@@ -1342,10 +1358,10 @@ u64 lio_pci_readq(struct octeon_device *oct, u64 addr)
writel(addrhi, oct->reg_list.pci_win_rd_addr_hi);
/* Read back to preserve ordering of writes */
- val32 = readl(oct->reg_list.pci_win_rd_addr_hi);
+ readl(oct->reg_list.pci_win_rd_addr_hi);
writel(addr & 0xffffffff, oct->reg_list.pci_win_rd_addr_lo);
- val32 = readl(oct->reg_list.pci_win_rd_addr_lo);
+ readl(oct->reg_list.pci_win_rd_addr_lo);
val64 = readq(oct->reg_list.pci_win_rd_data);
@@ -1353,12 +1369,12 @@ u64 lio_pci_readq(struct octeon_device *oct, u64 addr)
return val64;
}
+EXPORT_SYMBOL_GPL(lio_pci_readq);
void lio_pci_writeq(struct octeon_device *oct,
u64 val,
u64 addr)
{
- u32 val32;
unsigned long flags;
spin_lock_irqsave(&oct->pci_win_lock, flags);
@@ -1368,12 +1384,13 @@ void lio_pci_writeq(struct octeon_device *oct,
/* The write happens when the LSB is written. So write MSB first. */
writel(val >> 32, oct->reg_list.pci_win_wr_data_hi);
/* Read the MSB to ensure ordering of writes. */
- val32 = readl(oct->reg_list.pci_win_wr_data_hi);
+ readl(oct->reg_list.pci_win_wr_data_hi);
writel(val & 0xffffffff, oct->reg_list.pci_win_wr_data_lo);
spin_unlock_irqrestore(&oct->pci_win_lock, flags);
}
+EXPORT_SYMBOL_GPL(lio_pci_writeq);
int octeon_mem_access_ok(struct octeon_device *oct)
{
@@ -1393,6 +1410,7 @@ int octeon_mem_access_ok(struct octeon_device *oct)
return access_okay ? 0 : 1;
}
+EXPORT_SYMBOL_GPL(octeon_mem_access_ok);
int octeon_wait_for_ddr_init(struct octeon_device *oct, u32 *timeout)
{
@@ -1413,22 +1431,7 @@ int octeon_wait_for_ddr_init(struct octeon_device *oct, u32 *timeout)
return ret;
}
-
-/** Get the octeon id assigned to the octeon device passed as argument.
- * This function is exported to other modules.
- * @param dev - octeon device pointer passed as a void *.
- * @return octeon device id
- */
-int lio_get_device_id(void *dev)
-{
- struct octeon_device *octeon_dev = (struct octeon_device *)dev;
- u32 i;
-
- for (i = 0; i < MAX_OCTEON_DEVICES; i++)
- if (octeon_device[i] == octeon_dev)
- return octeon_dev->octeon_id;
- return -1;
-}
+EXPORT_SYMBOL_GPL(octeon_wait_for_ddr_init);
void lio_enable_irq(struct octeon_droq *droq, struct octeon_instr_queue *iq)
{
@@ -1449,7 +1452,6 @@ void lio_enable_irq(struct octeon_droq *droq, struct octeon_instr_queue *iq)
iq->pkt_in_done -= iq->pkts_processed;
iq->pkts_processed = 0;
/* this write needs to be flushed before we release the lock */
- mmiowb();
spin_unlock_bh(&iq->lock);
oct = iq->oct_dev;
}
@@ -1468,3 +1470,4 @@ void lio_enable_irq(struct octeon_droq *droq, struct octeon_instr_queue *iq)
}
}
}
+EXPORT_SYMBOL_GPL(lio_enable_irq);