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Add GFX debug trap control code

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Add initial support for the kfd debugger trap support
for GFX9 chips.

   - Adding support for Enable/Disable trap support
   - Setting debug trap support data
   - Setting wave launch trap override
   - Setting wave launch mode

Change-Id: If39f2395c4b6cf56249cf76f1c44cfcbdcef891c
Signed-off-by: Philip Cox <Philip.Cox@amd.com>
This commit is contained in:
Philip Cox
2018-07-13 14:05:27 -04:00
parent 9271e69ddf
commit db92d5af23
5 changed files with 519 additions and 8 deletions
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include/linux/kfd_ioctl.h
+35 -1
View File
@@ -186,6 +186,37 @@ struct kfd_ioctl_dbg_wave_control_args {
__u32 buf_size_in_bytes; /*including gpu_id and buf_size */
};
/* KFD_IOC_DBG_TRAP_ENABLE:
* data1: 0=disable, 1=enable
* data2: queue ID (for future use)
*/
#define KFD_IOC_DBG_TRAP_ENABLE 0
/* KFD_IOC_DBG_TRAP_SET_TRAP_DATA:
* data1: SPI_GDBG_TRAP_DATA0
* data2: SPI_GDBG_TRAP_DATA1
*/
#define KFD_IOC_DBG_TRAP_SET_TRAP_DATA 1
/* KFD_IOC_DBG_TRAP_SET_WAVE_LAUNCH_OVERRIDE:
* data1: override mode: 0=OR, 1=REPLACE
* data2: mask
*/
#define KFD_IOC_DBG_TRAP_SET_WAVE_LAUNCH_OVERRIDE 2
/* KFD_IOC_DBG_TRAP_SET_WAVE_LAUNCH_MODE:
* data1: 0=normal, 1=halt, 2=kill, 3=singlestep, 4=disable
* data2: unused
*/
#define KFD_IOC_DBG_TRAP_SET_WAVE_LAUNCH_MODE 3
struct kfd_ioctl_dbg_trap_args {
__u32 gpu_id; /* to KFD */
__u32 op; /* to KFD */
__u32 data1; /* to KFD */
__u32 data2; /* to KFD */
};
/* Matching HSA_EVENTTYPE */
#define KFD_IOC_EVENT_SIGNAL 0
#define KFD_IOC_EVENT_NODECHANGE 1
@@ -547,7 +578,10 @@ struct kfd_ioctl_cross_memory_copy_args {
#define AMDKFD_IOC_CROSS_MEMORY_COPY \
AMDKFD_IOWR(0x20, struct kfd_ioctl_cross_memory_copy_args)
#define AMDKFD_IOC_DBG_TRAP \
AMDKFD_IOW(0x21, struct kfd_ioctl_dbg_trap_args)
#define AMDKFD_COMMAND_START 0x01
#define AMDKFD_COMMAND_END 0x21
#define AMDKFD_COMMAND_END 0x22
#endif