#define IB_MAC_IOCB_RSP_DS 0x40 /* data is in small buffer */
#define IB_MAC_IOCB_RSP_DL 0x80 /* data is in large buffer */
__le32 data_len; /* */
- __le32 data_addr_lo; /* */
- __le32 data_addr_hi; /* */
+ __le64 data_addr; /* */
__le32 rss; /* */
__le16 vlan_id; /* 12 bits */
#define IB_MAC_IOCB_RSP_C 0x1000 /* VLAN CFI bit */
#define IB_MAC_IOCB_RSP_HS 0x40
#define IB_MAC_IOCB_RSP_HL 0x80
__le32 hdr_len; /* */
- __le32 hdr_addr_lo; /* */
- __le32 hdr_addr_hi; /* */
+ __le64 hdr_addr; /* */
} __attribute((packed));
struct ib_ae_iocb_rsp {
__le16 cq_id_rss;
#define Q_CQ_ID_RSS_RV 0x8000
__le16 rid;
- __le32 addr_lo;
- __le32 addr_hi;
- __le32 cnsmr_idx_addr_lo;
- __le32 cnsmr_idx_addr_hi;
+ __le64 addr;
+ __le64 cnsmr_idx_addr;
} __attribute((packed));
/*
#define LEN_CPP_64 0x0002
#define LEN_CPP_128 0x0003
__le16 rid;
- __le32 addr_lo;
- __le32 addr_hi;
- __le32 prod_idx_addr_lo;
- __le32 prod_idx_addr_hi;
+ __le64 addr;
+ __le64 prod_idx_addr;
__le16 pkt_delay;
__le16 irq_delay;
- __le32 lbq_addr_lo;
- __le32 lbq_addr_hi;
+ __le64 lbq_addr;
__le16 lbq_buf_size;
__le16 lbq_len; /* entry count */
- __le32 sbq_addr_lo;
- __le32 sbq_addr_hi;
+ __le64 sbq_addr;
__le16 sbq_buf_size;
__le16 sbq_len; /* entry count */
} __attribute((packed));
struct wqicb wqicb; /* structure used to inform chip of new queue */
void *wq_base; /* pci_alloc:virtual addr for tx */
dma_addr_t wq_base_dma; /* pci_alloc:dma addr for tx */
- u32 *cnsmr_idx_sh_reg; /* shadow copy of consumer idx */
+ __le32 *cnsmr_idx_sh_reg; /* shadow copy of consumer idx */
dma_addr_t cnsmr_idx_sh_reg_dma; /* dma-shadow copy of consumer */
u32 wq_size; /* size in bytes of queue area */
u32 wq_len; /* number of entries in queue */
u32 cq_size;
u32 cq_len;
u16 cq_id;
- volatile __le32 *prod_idx_sh_reg; /* Shadowed producer register. */
+ __le32 *prod_idx_sh_reg; /* Shadowed producer register. */
dma_addr_t prod_idx_sh_reg_dma;
void __iomem *cnsmr_idx_db_reg; /* PCI doorbell mem area + 0 */
u32 cnsmr_idx; /* current sw idx */
mmiowb();
}
+/*
+ * Shadow Registers:
+ * Outbound queues have a consumer index that is maintained by the chip.
+ * Inbound queues have a producer index that is maintained by the chip.
+ * For lower overhead, these registers are "shadowed" to host memory
+ * which allows the device driver to track the queue progress without
+ * PCI reads. When an entry is placed on an inbound queue, the chip will
+ * update the relevant index register and then copy the value to the
+ * shadow register in host memory.
+ */
+static inline u32 ql_read_sh_reg(__le32 *addr)
+{
+ u32 reg;
+ reg = le32_to_cpu(*addr);
+ rmb();
+ return reg;
+}
+
extern char qlge_driver_name[];
extern const char qlge_driver_version[];
extern const struct ethtool_ops qlge_ethtool_ops;