raw/ifpga/base: enhance driver reliability in multi-process

[dpdk.git] / drivers / raw / ifpga / base / opae_spi.h

diff --git a/drivers/raw/ifpga/base/opae_spi.h b/drivers/raw/ifpga/base/opae_spi.h
index 73a2276..af11656 100644 (file)
--- a/drivers/raw/ifpga/base/opae_spi.h
+++ b/drivers/raw/ifpga/base/opae_spi.h
@@ -77,6 +77,10 @@ struct altera_spi_device {
        int (*reg_read)(struct altera_spi_device *dev, u32 reg, u32 *val);
        int (*reg_write)(struct altera_spi_device *dev, u32 reg,
                        u32 value);
+       /* below are data to be shared in multiple process */
+       pthread_mutex_t *mutex;     /* to be passed to spi_transaction_dev */
+       unsigned int *dtb_sz_ptr;   /* to be used in init_max10_device_table */
+       unsigned char *dtb;         /* to be used in init_max10_device_table */
 };
 
 #define HEADER_LEN 8
@@ -103,6 +107,7 @@ struct spi_transaction_dev {
        int chipselect;
        struct spi_tran_buffer *buffer;
        pthread_mutex_t lock;
+       pthread_mutex_t *mutex;  /* multi-process mutex from adapter */
 };
 
 struct spi_tran_header {