diff options
Diffstat (limited to 'drivers/dma/idxd/registers.h')
-rw-r--r-- | drivers/dma/idxd/registers.h | 72 |
1 files changed, 70 insertions, 2 deletions
diff --git a/drivers/dma/idxd/registers.h b/drivers/dma/idxd/registers.h index ea3a499a3c3c..11bb97cf7481 100644 --- a/drivers/dma/idxd/registers.h +++ b/drivers/dma/idxd/registers.h @@ -3,6 +3,8 @@ #ifndef _IDXD_REGISTERS_H_ #define _IDXD_REGISTERS_H_ +#include <uapi/linux/idxd.h> + /* PCI Config */ #define PCI_DEVICE_ID_INTEL_DSA_SPR0 0x0b25 #define PCI_DEVICE_ID_INTEL_IAX_SPR0 0x0cfe @@ -119,7 +121,8 @@ union gencfg_reg { u32 rdbuf_limit:8; u32 rsvd:4; u32 user_int_en:1; - u32 rsvd2:19; + u32 evl_en:1; + u32 rsvd2:18; }; u32 bits; } __packed; @@ -129,7 +132,8 @@ union genctrl_reg { struct { u32 softerr_int_en:1; u32 halt_int_en:1; - u32 rsvd:30; + u32 evl_int_en:1; + u32 rsvd:29; }; u32 bits; } __packed; @@ -299,6 +303,21 @@ union iaa_cap_reg { #define IDXD_IAACAP_OFFSET 0x180 +#define IDXD_EVLCFG_OFFSET 0xe0 +union evlcfg_reg { + struct { + u64 pasid_en:1; + u64 priv:1; + u64 rsvd:10; + u64 base_addr:52; + + u64 size:16; + u64 pasid:20; + u64 rsvd2:28; + }; + u64 bits[2]; +} __packed; + #define IDXD_EVL_SIZE_MIN 0x0040 #define IDXD_EVL_SIZE_MAX 0xffff @@ -539,4 +558,53 @@ union filter_cfg { u64 val; } __packed; +struct __evl_entry { + u64 rsvd:2; + u64 desc_valid:1; + u64 wq_idx_valid:1; + u64 batch:1; + u64 fault_rw:1; + u64 priv:1; + u64 err_info_valid:1; + u64 error:8; + u64 wq_idx:8; + u64 batch_id:8; + u64 operation:8; + u64 pasid:20; + u64 rsvd2:4; + + u16 batch_idx; + u16 rsvd3; + union { + /* Invalid Flags 0x11 */ + u32 invalid_flags; + /* Invalid Int Handle 0x19 */ + /* Page fault 0x1a */ + /* Page fault 0x06, 0x1f, only operand_id */ + /* Page fault before drain or in batch, 0x26, 0x27 */ + struct { + u16 int_handle; + u16 rci:1; + u16 ims:1; + u16 rcr:1; + u16 first_err_in_batch:1; + u16 rsvd4_2:9; + u16 operand_id:3; + }; + }; + u64 fault_addr; + u64 rsvd5; +} __packed; + +struct dsa_evl_entry { + struct __evl_entry e; + struct dsa_completion_record cr; +} __packed; + +struct iax_evl_entry { + struct __evl_entry e; + u64 rsvd[4]; + struct iax_completion_record cr; +} __packed; + #endif |