From 4d3f5e8e7e3c5783676fbf1c61436e47a4b6b4bd Mon Sep 17 00:00:00 2001 From: Shahar S Matityahu Date: Thu, 4 Jul 2019 17:53:52 +0300 Subject: iwlwifi: fw api: add DRAM buffer allocation command Add support code to be able to use the DRAM buffer allocation command, which allows us to send information about a buffer to the firmware to use it with the DBGC hardware. Signed-off-by: Shahar S Matityahu Signed-off-by: Luca Coelho --- drivers/net/wireless/intel/iwlwifi/fw/api/debug.h | 32 +++++++++++++++++++++++ 1 file changed, 32 insertions(+) (limited to 'drivers/net/wireless/intel/iwlwifi/fw/api') diff --git a/drivers/net/wireless/intel/iwlwifi/fw/api/debug.h b/drivers/net/wireless/intel/iwlwifi/fw/api/debug.h index c67a6ab6491c..98e957ecbeed 100644 --- a/drivers/net/wireless/intel/iwlwifi/fw/api/debug.h +++ b/drivers/net/wireless/intel/iwlwifi/fw/api/debug.h @@ -87,6 +87,12 @@ enum iwl_debug_cmds { * 1 - suspend DBGC recording */ DBGC_SUSPEND_RESUME = 0x7, + /** + * @BUFFER_ALLOCATION: + * passes DRAM buffers to a DBGC + * &struct iwl_buf_alloc_cmd + */ + BUFFER_ALLOCATION = 0x8, /** * @MFU_ASSERT_DUMP_NTF: * &struct iwl_mfu_assert_dump_notif @@ -361,4 +367,30 @@ struct iwl_dbg_suspend_resume_cmd { __le32 operation; } __packed; +#define BUF_ALLOC_MAX_NUM_FRAGS 16 + +/** + * struct iwl_buf_alloc_frag - a DBGC fragment + * @addr: base address of the fragment + * @size: size of the fragment + */ +struct iwl_buf_alloc_frag { + __le64 addr; + __le32 size; +} __packed; /* FRAGMENT_STRUCTURE_API_S_VER_1 */ + +/** + * struct iwl_buf_alloc_cmd - buffer allocation command + * @alloc_id: &enum iwl_fw_ini_allocation_id + * @buf_location: &enum iwl_fw_ini_buffer_location + * @num_frags: number of fragments + * @frags: fragments array + */ +struct iwl_buf_alloc_cmd { + __le32 alloc_id; + __le32 buf_location; + __le32 num_frags; + struct iwl_buf_alloc_frag frags[BUF_ALLOC_MAX_NUM_FRAGS]; +} __packed; /* BUFFER_ALLOCATION_CMD_API_S_VER_2 */ + #endif /* __iwl_fw_api_debug_h__ */ -- cgit v1.2.3