diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/mhi.h | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/include/linux/mhi.h b/include/linux/mhi.h index 630643f6b4a4..d3453a1de835 100644 --- a/include/linux/mhi.h +++ b/include/linux/mhi.h @@ -283,9 +283,11 @@ struct mhi_controller_config { * @iova_stop: IOMMU stop address for data (required) * @fw_image: Firmware image name for normal booting (required) * @edl_image: Firmware image name for emergency download mode (optional) + * @rddm_size: RAM dump size that host should allocate for debugging purpose * @sbl_size: SBL image size downloaded through BHIe (optional) * @seg_len: BHIe vector size (optional) * @fbc_image: Points to firmware image buffer + * @rddm_image: Points to RAM dump buffer * @mhi_chan: Points to the channel configuration table * @lpm_chans: List of channels that require LPM notifications * @irq: base irq # to request (required) @@ -343,9 +345,11 @@ struct mhi_controller { dma_addr_t iova_stop; const char *fw_image; const char *edl_image; + size_t rddm_size; size_t sbl_size; size_t seg_len; struct image_info *fbc_image; + struct image_info *rddm_image; struct mhi_chan *mhi_chan; struct list_head lpm_chans; int *irq; @@ -545,4 +549,24 @@ void mhi_power_down(struct mhi_controller *mhi_cntrl, bool graceful); */ void mhi_unprepare_after_power_down(struct mhi_controller *mhi_cntrl); +/** + * mhi_download_rddm_img - Download ramdump image from device for + * debugging purpose. + * @mhi_cntrl: MHI controller + * @in_panic: Download rddm image during kernel panic + */ +int mhi_download_rddm_img(struct mhi_controller *mhi_cntrl, bool in_panic); + +/** + * mhi_force_rddm_mode - Force device into rddm mode + * @mhi_cntrl: MHI controller + */ +int mhi_force_rddm_mode(struct mhi_controller *mhi_cntrl); + +/** + * mhi_get_mhi_state - Get MHI state of the device + * @mhi_cntrl: MHI controller + */ +enum mhi_state mhi_get_mhi_state(struct mhi_controller *mhi_cntrl); + #endif /* _MHI_H_ */ |