summaryrefslogtreecommitdiff
path: root/include/linux/switchtec.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/linux/switchtec.h')
-rw-r--r--include/linux/switchtec.h26
1 files changed, 23 insertions, 3 deletions
diff --git a/include/linux/switchtec.h b/include/linux/switchtec.h
index ab400af6f0ce..52a079b3a9a6 100644
--- a/include/linux/switchtec.h
+++ b/include/linux/switchtec.h
@@ -29,6 +29,7 @@
#define SWITCHTEC_EVENT_EN_IRQ BIT(3)
#define SWITCHTEC_EVENT_FATAL BIT(4)
+#define SWITCHTEC_DMA_MRPC_EN BIT(0)
enum {
SWITCHTEC_GAS_MRPC_OFFSET = 0x0000,
SWITCHTEC_GAS_TOP_CFG_OFFSET = 0x1000,
@@ -46,6 +47,10 @@ struct mrpc_regs {
u32 cmd;
u32 status;
u32 ret_value;
+ u32 dma_en;
+ u64 dma_addr;
+ u32 dma_vector;
+ u32 dma_ver;
} __packed;
enum mrpc_status {
@@ -243,9 +248,13 @@ struct ntb_ctrl_regs {
u32 win_size;
u64 xlate_addr;
} bar_entry[6];
- u32 reserved2[216];
- u32 req_id_table[256];
- u32 reserved3[512];
+ struct {
+ u32 win_size;
+ u32 reserved[3];
+ } bar_ext_entry[6];
+ u32 reserved2[192];
+ u32 req_id_table[512];
+ u32 reserved3[256];
u64 lut_entry[512];
} __packed;
@@ -342,6 +351,14 @@ struct pff_csr_regs {
struct switchtec_ntb;
+struct dma_mrpc_output {
+ u32 status;
+ u32 cmd_id;
+ u32 rtn_code;
+ u32 output_size;
+ u8 data[SWITCHTEC_MRPC_PAYLOAD_SIZE];
+};
+
struct switchtec_dev {
struct pci_dev *pdev;
struct device dev;
@@ -381,6 +398,9 @@ struct switchtec_dev {
u8 link_event_count[SWITCHTEC_MAX_PFF_CSR];
struct switchtec_ntb *sndev;
+
+ struct dma_mrpc_output *dma_mrpc;
+ dma_addr_t dma_mrpc_dma_addr;
};
static inline struct switchtec_dev *to_stdev(struct device *dev)