[BNX2]: Support multiple MSIX IRQs.
Change bnx2_napi struct into an array and add code to manage multiple
IRQs. MSIX hardware structures and new registers are also added.
Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/bnx2.h b/drivers/net/bnx2.h
index b75795b..d71ceb6 100644
--- a/drivers/net/bnx2.h
+++ b/drivers/net/bnx2.h
@@ -154,6 +154,33 @@
#endif
};
+/*
+ * status_block definition
+ */
+struct status_block_msix {
+#if defined(__BIG_ENDIAN)
+ u16 status_tx_quick_consumer_index;
+ u16 status_rx_quick_consumer_index;
+ u16 status_completion_producer_index;
+ u16 status_cmd_consumer_index;
+ u32 status_unused;
+ u16 status_idx;
+ u8 status_unused2;
+ u8 status_blk_num;
+#elif defined(__LITTLE_ENDIAN)
+ u16 status_rx_quick_consumer_index;
+ u16 status_tx_quick_consumer_index;
+ u16 status_cmd_consumer_index;
+ u16 status_completion_producer_index;
+ u32 status_unused;
+ u8 status_blk_num;
+ u8 status_unused2;
+ u16 status_idx;
+#endif
+};
+
+#define BNX2_SBLK_MSIX_ALIGN_SIZE 128
+
/*
* statistics_block definition
@@ -413,6 +440,7 @@
#define BNX2_PCICFG_INT_ACK_CMD_USE_INT_HC_PARAM (1L<<17)
#define BNX2_PCICFG_INT_ACK_CMD_MASK_INT (1L<<18)
#define BNX2_PCICFG_INT_ACK_CMD_INTERRUPT_NUM (0xfL<<24)
+#define BNX2_PCICFG_INT_ACK_CMD_INT_NUM_SHIFT 24
#define BNX2_PCICFG_STATUS_BIT_SET_CMD 0x00000088
#define BNX2_PCICFG_STATUS_BIT_CLEAR_CMD 0x0000008c
@@ -428,6 +456,9 @@
#define BNX2_PCI_GRC_WINDOW_ADDR_VALUE (0x1ffL<<13)
#define BNX2_PCI_GRC_WINDOW_ADDR_SEP_WIN (1L<<31)
+#define BNX2_PCI_GRC_WINDOW2_BASE 0xc000
+#define BNX2_PCI_GRC_WINDOW3_BASE 0xe000
+
#define BNX2_PCI_CONFIG_1 0x00000404
#define BNX2_PCI_CONFIG_1_RESERVED0 (0xffL<<0)
#define BNX2_PCI_CONFIG_1_READ_BOUNDARY (0x7L<<8)
@@ -700,6 +731,8 @@
#define BNX2_PCI_GRC_WINDOW3_ADDR 0x00000618
#define BNX2_PCI_GRC_WINDOW3_ADDR_VALUE (0x1ffL<<13)
+#define BNX2_MSIX_TABLE_ADDR 0x318000
+#define BNX2_MSIX_PBA_ADDR 0x31c000
/*
* misc_reg definition
@@ -6500,6 +6533,7 @@
struct bnx2_irq {
irq_handler_t handler;
u16 vector;
+ u8 requested;
char name[16];
};
@@ -6535,13 +6569,15 @@
u32 flags;
#define PCIX_FLAG 0x00000001
#define PCI_32BIT_FLAG 0x00000002
-#define ONE_TDMA_FLAG 0x00000004 /* no longer used */
+#define MSIX_CAP_FLAG 0x00000004
#define NO_WOL_FLAG 0x00000008
#define USING_MSI_FLAG 0x00000020
#define ASF_ENABLE_FLAG 0x00000040
#define MSI_CAP_FLAG 0x00000080
#define ONE_SHOT_MSI_FLAG 0x00000100
#define PCIE_FLAG 0x00000200
+#define USING_MSIX_FLAG 0x00000400
+#define USING_MSI_OR_MSIX_FLAG (USING_MSI_FLAG | USING_MSIX_FLAG)
/* Put tx producer and consumer fields in separate cache lines. */
@@ -6550,7 +6586,7 @@
u32 tx_bidx_addr;
u32 tx_bseq_addr;
- struct bnx2_napi bnx2_napi;
+ struct bnx2_napi bnx2_napi[BNX2_MAX_MSIX_VEC];
#ifdef BCM_VLAN
struct vlan_group *vlgrp;