1550 lines
43 KiB
C
1550 lines
43 KiB
C
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// SPDX-License-Identifier: GPL-2.0
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/* Copyright (c) 2019, Intel Corporation. */
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#include "ice_common.h"
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#include "ice_flex_pipe.h"
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/**
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* ice_pkg_val_buf
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* @buf: pointer to the ice buffer
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*
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* This helper function validates a buffer's header.
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*/
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static struct ice_buf_hdr *ice_pkg_val_buf(struct ice_buf *buf)
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{
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struct ice_buf_hdr *hdr;
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u16 section_count;
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u16 data_end;
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hdr = (struct ice_buf_hdr *)buf->buf;
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/* verify data */
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section_count = le16_to_cpu(hdr->section_count);
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if (section_count < ICE_MIN_S_COUNT || section_count > ICE_MAX_S_COUNT)
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return NULL;
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data_end = le16_to_cpu(hdr->data_end);
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if (data_end < ICE_MIN_S_DATA_END || data_end > ICE_MAX_S_DATA_END)
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return NULL;
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return hdr;
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}
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/**
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* ice_find_buf_table
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* @ice_seg: pointer to the ice segment
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*
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* Returns the address of the buffer table within the ice segment.
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*/
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static struct ice_buf_table *ice_find_buf_table(struct ice_seg *ice_seg)
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{
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struct ice_nvm_table *nvms;
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nvms = (struct ice_nvm_table *)
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(ice_seg->device_table +
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le32_to_cpu(ice_seg->device_table_count));
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return (__force struct ice_buf_table *)
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(nvms->vers + le32_to_cpu(nvms->table_count));
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}
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/**
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* ice_pkg_enum_buf
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* @ice_seg: pointer to the ice segment (or NULL on subsequent calls)
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* @state: pointer to the enum state
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*
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* This function will enumerate all the buffers in the ice segment. The first
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* call is made with the ice_seg parameter non-NULL; on subsequent calls,
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* ice_seg is set to NULL which continues the enumeration. When the function
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* returns a NULL pointer, then the end of the buffers has been reached, or an
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* unexpected value has been detected (for example an invalid section count or
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* an invalid buffer end value).
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*/
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static struct ice_buf_hdr *
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ice_pkg_enum_buf(struct ice_seg *ice_seg, struct ice_pkg_enum *state)
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{
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if (ice_seg) {
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state->buf_table = ice_find_buf_table(ice_seg);
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if (!state->buf_table)
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return NULL;
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state->buf_idx = 0;
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return ice_pkg_val_buf(state->buf_table->buf_array);
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}
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if (++state->buf_idx < le32_to_cpu(state->buf_table->buf_count))
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return ice_pkg_val_buf(state->buf_table->buf_array +
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state->buf_idx);
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else
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return NULL;
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}
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/**
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* ice_pkg_advance_sect
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* @ice_seg: pointer to the ice segment (or NULL on subsequent calls)
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* @state: pointer to the enum state
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*
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* This helper function will advance the section within the ice segment,
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* also advancing the buffer if needed.
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*/
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static bool
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ice_pkg_advance_sect(struct ice_seg *ice_seg, struct ice_pkg_enum *state)
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{
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if (!ice_seg && !state->buf)
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return false;
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if (!ice_seg && state->buf)
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if (++state->sect_idx < le16_to_cpu(state->buf->section_count))
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return true;
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state->buf = ice_pkg_enum_buf(ice_seg, state);
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if (!state->buf)
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return false;
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/* start of new buffer, reset section index */
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state->sect_idx = 0;
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return true;
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}
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/**
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* ice_pkg_enum_section
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* @ice_seg: pointer to the ice segment (or NULL on subsequent calls)
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* @state: pointer to the enum state
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* @sect_type: section type to enumerate
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*
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* This function will enumerate all the sections of a particular type in the
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* ice segment. The first call is made with the ice_seg parameter non-NULL;
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* on subsequent calls, ice_seg is set to NULL which continues the enumeration.
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* When the function returns a NULL pointer, then the end of the matching
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* sections has been reached.
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*/
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static void *
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ice_pkg_enum_section(struct ice_seg *ice_seg, struct ice_pkg_enum *state,
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u32 sect_type)
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{
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u16 offset, size;
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if (ice_seg)
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state->type = sect_type;
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if (!ice_pkg_advance_sect(ice_seg, state))
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return NULL;
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/* scan for next matching section */
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while (state->buf->section_entry[state->sect_idx].type !=
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cpu_to_le32(state->type))
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if (!ice_pkg_advance_sect(NULL, state))
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return NULL;
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/* validate section */
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offset = le16_to_cpu(state->buf->section_entry[state->sect_idx].offset);
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if (offset < ICE_MIN_S_OFF || offset > ICE_MAX_S_OFF)
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return NULL;
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size = le16_to_cpu(state->buf->section_entry[state->sect_idx].size);
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if (size < ICE_MIN_S_SZ || size > ICE_MAX_S_SZ)
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return NULL;
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/* make sure the section fits in the buffer */
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if (offset + size > ICE_PKG_BUF_SIZE)
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return NULL;
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state->sect_type =
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le32_to_cpu(state->buf->section_entry[state->sect_idx].type);
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/* calc pointer to this section */
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state->sect = ((u8 *)state->buf) +
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le16_to_cpu(state->buf->section_entry[state->sect_idx].offset);
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return state->sect;
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}
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/**
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* ice_acquire_global_cfg_lock
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* @hw: pointer to the HW structure
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* @access: access type (read or write)
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*
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* This function will request ownership of the global config lock for reading
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* or writing of the package. When attempting to obtain write access, the
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* caller must check for the following two return values:
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*
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* ICE_SUCCESS - Means the caller has acquired the global config lock
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* and can perform writing of the package.
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* ICE_ERR_AQ_NO_WORK - Indicates another driver has already written the
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* package or has found that no update was necessary; in
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* this case, the caller can just skip performing any
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* update of the package.
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*/
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static enum ice_status
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ice_acquire_global_cfg_lock(struct ice_hw *hw,
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enum ice_aq_res_access_type access)
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{
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enum ice_status status;
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status = ice_acquire_res(hw, ICE_GLOBAL_CFG_LOCK_RES_ID, access,
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ICE_GLOBAL_CFG_LOCK_TIMEOUT);
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if (!status)
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mutex_lock(&ice_global_cfg_lock_sw);
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else if (status == ICE_ERR_AQ_NO_WORK)
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ice_debug(hw, ICE_DBG_PKG,
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"Global config lock: No work to do\n");
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return status;
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}
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/**
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* ice_release_global_cfg_lock
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* @hw: pointer to the HW structure
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*
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* This function will release the global config lock.
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*/
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static void ice_release_global_cfg_lock(struct ice_hw *hw)
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{
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mutex_unlock(&ice_global_cfg_lock_sw);
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ice_release_res(hw, ICE_GLOBAL_CFG_LOCK_RES_ID);
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}
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/**
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* ice_aq_download_pkg
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* @hw: pointer to the hardware structure
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* @pkg_buf: the package buffer to transfer
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* @buf_size: the size of the package buffer
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* @last_buf: last buffer indicator
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* @error_offset: returns error offset
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* @error_info: returns error information
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* @cd: pointer to command details structure or NULL
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*
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* Download Package (0x0C40)
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*/
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static enum ice_status
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ice_aq_download_pkg(struct ice_hw *hw, struct ice_buf_hdr *pkg_buf,
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u16 buf_size, bool last_buf, u32 *error_offset,
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u32 *error_info, struct ice_sq_cd *cd)
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{
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struct ice_aqc_download_pkg *cmd;
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struct ice_aq_desc desc;
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enum ice_status status;
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if (error_offset)
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*error_offset = 0;
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if (error_info)
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*error_info = 0;
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cmd = &desc.params.download_pkg;
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ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_download_pkg);
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desc.flags |= cpu_to_le16(ICE_AQ_FLAG_RD);
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if (last_buf)
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cmd->flags |= ICE_AQC_DOWNLOAD_PKG_LAST_BUF;
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status = ice_aq_send_cmd(hw, &desc, pkg_buf, buf_size, cd);
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if (status == ICE_ERR_AQ_ERROR) {
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/* Read error from buffer only when the FW returned an error */
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struct ice_aqc_download_pkg_resp *resp;
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resp = (struct ice_aqc_download_pkg_resp *)pkg_buf;
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if (error_offset)
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*error_offset = le32_to_cpu(resp->error_offset);
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if (error_info)
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*error_info = le32_to_cpu(resp->error_info);
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}
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return status;
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}
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/**
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* ice_find_seg_in_pkg
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* @hw: pointer to the hardware structure
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* @seg_type: the segment type to search for (i.e., SEGMENT_TYPE_CPK)
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* @pkg_hdr: pointer to the package header to be searched
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*
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* This function searches a package file for a particular segment type. On
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* success it returns a pointer to the segment header, otherwise it will
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* return NULL.
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*/
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static struct ice_generic_seg_hdr *
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ice_find_seg_in_pkg(struct ice_hw *hw, u32 seg_type,
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struct ice_pkg_hdr *pkg_hdr)
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{
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u32 i;
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ice_debug(hw, ICE_DBG_PKG, "Package format version: %d.%d.%d.%d\n",
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pkg_hdr->format_ver.major, pkg_hdr->format_ver.minor,
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pkg_hdr->format_ver.update, pkg_hdr->format_ver.draft);
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/* Search all package segments for the requested segment type */
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for (i = 0; i < le32_to_cpu(pkg_hdr->seg_count); i++) {
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struct ice_generic_seg_hdr *seg;
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seg = (struct ice_generic_seg_hdr *)
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((u8 *)pkg_hdr + le32_to_cpu(pkg_hdr->seg_offset[i]));
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if (le32_to_cpu(seg->seg_type) == seg_type)
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return seg;
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}
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return NULL;
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}
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/**
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* ice_dwnld_cfg_bufs
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* @hw: pointer to the hardware structure
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* @bufs: pointer to an array of buffers
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* @count: the number of buffers in the array
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*
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* Obtains global config lock and downloads the package configuration buffers
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* to the firmware. Metadata buffers are skipped, and the first metadata buffer
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* found indicates that the rest of the buffers are all metadata buffers.
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*/
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static enum ice_status
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ice_dwnld_cfg_bufs(struct ice_hw *hw, struct ice_buf *bufs, u32 count)
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{
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enum ice_status status;
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struct ice_buf_hdr *bh;
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u32 offset, info, i;
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if (!bufs || !count)
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return ICE_ERR_PARAM;
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/* If the first buffer's first section has its metadata bit set
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* then there are no buffers to be downloaded, and the operation is
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* considered a success.
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*/
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bh = (struct ice_buf_hdr *)bufs;
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if (le32_to_cpu(bh->section_entry[0].type) & ICE_METADATA_BUF)
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return 0;
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/* reset pkg_dwnld_status in case this function is called in the
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* reset/rebuild flow
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*/
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hw->pkg_dwnld_status = ICE_AQ_RC_OK;
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status = ice_acquire_global_cfg_lock(hw, ICE_RES_WRITE);
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if (status) {
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if (status == ICE_ERR_AQ_NO_WORK)
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hw->pkg_dwnld_status = ICE_AQ_RC_EEXIST;
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else
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hw->pkg_dwnld_status = hw->adminq.sq_last_status;
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return status;
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}
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for (i = 0; i < count; i++) {
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bool last = ((i + 1) == count);
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if (!last) {
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/* check next buffer for metadata flag */
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bh = (struct ice_buf_hdr *)(bufs + i + 1);
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/* A set metadata flag in the next buffer will signal
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* that the current buffer will be the last buffer
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* downloaded
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*/
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if (le16_to_cpu(bh->section_count))
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if (le32_to_cpu(bh->section_entry[0].type) &
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ICE_METADATA_BUF)
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last = true;
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}
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bh = (struct ice_buf_hdr *)(bufs + i);
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status = ice_aq_download_pkg(hw, bh, ICE_PKG_BUF_SIZE, last,
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&offset, &info, NULL);
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/* Save AQ status from download package */
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hw->pkg_dwnld_status = hw->adminq.sq_last_status;
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if (status) {
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ice_debug(hw, ICE_DBG_PKG,
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"Pkg download failed: err %d off %d inf %d\n",
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status, offset, info);
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break;
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}
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if (last)
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break;
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}
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|
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ice_release_global_cfg_lock(hw);
|
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|
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return status;
|
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}
|
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|
||
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/**
|
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* ice_aq_get_pkg_info_list
|
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* @hw: pointer to the hardware structure
|
||
|
* @pkg_info: the buffer which will receive the information list
|
||
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* @buf_size: the size of the pkg_info information buffer
|
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* @cd: pointer to command details structure or NULL
|
||
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*
|
||
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* Get Package Info List (0x0C43)
|
||
|
*/
|
||
|
static enum ice_status
|
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ice_aq_get_pkg_info_list(struct ice_hw *hw,
|
||
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struct ice_aqc_get_pkg_info_resp *pkg_info,
|
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|
u16 buf_size, struct ice_sq_cd *cd)
|
||
|
{
|
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struct ice_aq_desc desc;
|
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|
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ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_get_pkg_info_list);
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||
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|
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return ice_aq_send_cmd(hw, &desc, pkg_info, buf_size, cd);
|
||
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}
|
||
|
|
||
|
/**
|
||
|
* ice_download_pkg
|
||
|
* @hw: pointer to the hardware structure
|
||
|
* @ice_seg: pointer to the segment of the package to be downloaded
|
||
|
*
|
||
|
* Handles the download of a complete package.
|
||
|
*/
|
||
|
static enum ice_status
|
||
|
ice_download_pkg(struct ice_hw *hw, struct ice_seg *ice_seg)
|
||
|
{
|
||
|
struct ice_buf_table *ice_buf_tbl;
|
||
|
|
||
|
ice_debug(hw, ICE_DBG_PKG, "Segment version: %d.%d.%d.%d\n",
|
||
|
ice_seg->hdr.seg_ver.major, ice_seg->hdr.seg_ver.minor,
|
||
|
ice_seg->hdr.seg_ver.update, ice_seg->hdr.seg_ver.draft);
|
||
|
|
||
|
ice_debug(hw, ICE_DBG_PKG, "Seg: type 0x%X, size %d, name %s\n",
|
||
|
le32_to_cpu(ice_seg->hdr.seg_type),
|
||
|
le32_to_cpu(ice_seg->hdr.seg_size), ice_seg->hdr.seg_name);
|
||
|
|
||
|
ice_buf_tbl = ice_find_buf_table(ice_seg);
|
||
|
|
||
|
ice_debug(hw, ICE_DBG_PKG, "Seg buf count: %d\n",
|
||
|
le32_to_cpu(ice_buf_tbl->buf_count));
|
||
|
|
||
|
return ice_dwnld_cfg_bufs(hw, ice_buf_tbl->buf_array,
|
||
|
le32_to_cpu(ice_buf_tbl->buf_count));
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* ice_init_pkg_info
|
||
|
* @hw: pointer to the hardware structure
|
||
|
* @pkg_hdr: pointer to the driver's package hdr
|
||
|
*
|
||
|
* Saves off the package details into the HW structure.
|
||
|
*/
|
||
|
static enum ice_status
|
||
|
ice_init_pkg_info(struct ice_hw *hw, struct ice_pkg_hdr *pkg_hdr)
|
||
|
{
|
||
|
struct ice_global_metadata_seg *meta_seg;
|
||
|
struct ice_generic_seg_hdr *seg_hdr;
|
||
|
|
||
|
if (!pkg_hdr)
|
||
|
return ICE_ERR_PARAM;
|
||
|
|
||
|
meta_seg = (struct ice_global_metadata_seg *)
|
||
|
ice_find_seg_in_pkg(hw, SEGMENT_TYPE_METADATA, pkg_hdr);
|
||
|
if (meta_seg) {
|
||
|
hw->pkg_ver = meta_seg->pkg_ver;
|
||
|
memcpy(hw->pkg_name, meta_seg->pkg_name, sizeof(hw->pkg_name));
|
||
|
|
||
|
ice_debug(hw, ICE_DBG_PKG, "Pkg: %d.%d.%d.%d, %s\n",
|
||
|
meta_seg->pkg_ver.major, meta_seg->pkg_ver.minor,
|
||
|
meta_seg->pkg_ver.update, meta_seg->pkg_ver.draft,
|
||
|
meta_seg->pkg_name);
|
||
|
} else {
|
||
|
ice_debug(hw, ICE_DBG_INIT,
|
||
|
"Did not find metadata segment in driver package\n");
|
||
|
return ICE_ERR_CFG;
|
||
|
}
|
||
|
|
||
|
seg_hdr = ice_find_seg_in_pkg(hw, SEGMENT_TYPE_ICE, pkg_hdr);
|
||
|
if (seg_hdr) {
|
||
|
hw->ice_pkg_ver = seg_hdr->seg_ver;
|
||
|
memcpy(hw->ice_pkg_name, seg_hdr->seg_name,
|
||
|
sizeof(hw->ice_pkg_name));
|
||
|
|
||
|
ice_debug(hw, ICE_DBG_PKG, "Ice Pkg: %d.%d.%d.%d, %s\n",
|
||
|
seg_hdr->seg_ver.major, seg_hdr->seg_ver.minor,
|
||
|
seg_hdr->seg_ver.update, seg_hdr->seg_ver.draft,
|
||
|
seg_hdr->seg_name);
|
||
|
} else {
|
||
|
ice_debug(hw, ICE_DBG_INIT,
|
||
|
"Did not find ice segment in driver package\n");
|
||
|
return ICE_ERR_CFG;
|
||
|
}
|
||
|
|
||
|
return 0;
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* ice_get_pkg_info
|
||
|
* @hw: pointer to the hardware structure
|
||
|
*
|
||
|
* Store details of the package currently loaded in HW into the HW structure.
|
||
|
*/
|
||
|
static enum ice_status ice_get_pkg_info(struct ice_hw *hw)
|
||
|
{
|
||
|
struct ice_aqc_get_pkg_info_resp *pkg_info;
|
||
|
enum ice_status status;
|
||
|
u16 size;
|
||
|
u32 i;
|
||
|
|
||
|
size = sizeof(*pkg_info) + (sizeof(pkg_info->pkg_info[0]) *
|
||
|
(ICE_PKG_CNT - 1));
|
||
|
pkg_info = kzalloc(size, GFP_KERNEL);
|
||
|
if (!pkg_info)
|
||
|
return ICE_ERR_NO_MEMORY;
|
||
|
|
||
|
status = ice_aq_get_pkg_info_list(hw, pkg_info, size, NULL);
|
||
|
if (status)
|
||
|
goto init_pkg_free_alloc;
|
||
|
|
||
|
for (i = 0; i < le32_to_cpu(pkg_info->count); i++) {
|
||
|
#define ICE_PKG_FLAG_COUNT 4
|
||
|
char flags[ICE_PKG_FLAG_COUNT + 1] = { 0 };
|
||
|
u8 place = 0;
|
||
|
|
||
|
if (pkg_info->pkg_info[i].is_active) {
|
||
|
flags[place++] = 'A';
|
||
|
hw->active_pkg_ver = pkg_info->pkg_info[i].ver;
|
||
|
memcpy(hw->active_pkg_name,
|
||
|
pkg_info->pkg_info[i].name,
|
||
|
sizeof(hw->active_pkg_name));
|
||
|
hw->active_pkg_in_nvm = pkg_info->pkg_info[i].is_in_nvm;
|
||
|
}
|
||
|
if (pkg_info->pkg_info[i].is_active_at_boot)
|
||
|
flags[place++] = 'B';
|
||
|
if (pkg_info->pkg_info[i].is_modified)
|
||
|
flags[place++] = 'M';
|
||
|
if (pkg_info->pkg_info[i].is_in_nvm)
|
||
|
flags[place++] = 'N';
|
||
|
|
||
|
ice_debug(hw, ICE_DBG_PKG, "Pkg[%d]: %d.%d.%d.%d,%s,%s\n",
|
||
|
i, pkg_info->pkg_info[i].ver.major,
|
||
|
pkg_info->pkg_info[i].ver.minor,
|
||
|
pkg_info->pkg_info[i].ver.update,
|
||
|
pkg_info->pkg_info[i].ver.draft,
|
||
|
pkg_info->pkg_info[i].name, flags);
|
||
|
}
|
||
|
|
||
|
init_pkg_free_alloc:
|
||
|
kfree(pkg_info);
|
||
|
|
||
|
return status;
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* ice_verify_pkg - verify package
|
||
|
* @pkg: pointer to the package buffer
|
||
|
* @len: size of the package buffer
|
||
|
*
|
||
|
* Verifies various attributes of the package file, including length, format
|
||
|
* version, and the requirement of at least one segment.
|
||
|
*/
|
||
|
static enum ice_status ice_verify_pkg(struct ice_pkg_hdr *pkg, u32 len)
|
||
|
{
|
||
|
u32 seg_count;
|
||
|
u32 i;
|
||
|
|
||
|
if (len < sizeof(*pkg))
|
||
|
return ICE_ERR_BUF_TOO_SHORT;
|
||
|
|
||
|
if (pkg->format_ver.major != ICE_PKG_FMT_VER_MAJ ||
|
||
|
pkg->format_ver.minor != ICE_PKG_FMT_VER_MNR ||
|
||
|
pkg->format_ver.update != ICE_PKG_FMT_VER_UPD ||
|
||
|
pkg->format_ver.draft != ICE_PKG_FMT_VER_DFT)
|
||
|
return ICE_ERR_CFG;
|
||
|
|
||
|
/* pkg must have at least one segment */
|
||
|
seg_count = le32_to_cpu(pkg->seg_count);
|
||
|
if (seg_count < 1)
|
||
|
return ICE_ERR_CFG;
|
||
|
|
||
|
/* make sure segment array fits in package length */
|
||
|
if (len < sizeof(*pkg) + ((seg_count - 1) * sizeof(pkg->seg_offset)))
|
||
|
return ICE_ERR_BUF_TOO_SHORT;
|
||
|
|
||
|
/* all segments must fit within length */
|
||
|
for (i = 0; i < seg_count; i++) {
|
||
|
u32 off = le32_to_cpu(pkg->seg_offset[i]);
|
||
|
struct ice_generic_seg_hdr *seg;
|
||
|
|
||
|
/* segment header must fit */
|
||
|
if (len < off + sizeof(*seg))
|
||
|
return ICE_ERR_BUF_TOO_SHORT;
|
||
|
|
||
|
seg = (struct ice_generic_seg_hdr *)((u8 *)pkg + off);
|
||
|
|
||
|
/* segment body must fit */
|
||
|
if (len < off + le32_to_cpu(seg->seg_size))
|
||
|
return ICE_ERR_BUF_TOO_SHORT;
|
||
|
}
|
||
|
|
||
|
return 0;
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* ice_free_seg - free package segment pointer
|
||
|
* @hw: pointer to the hardware structure
|
||
|
*
|
||
|
* Frees the package segment pointer in the proper manner, depending on if the
|
||
|
* segment was allocated or just the passed in pointer was stored.
|
||
|
*/
|
||
|
void ice_free_seg(struct ice_hw *hw)
|
||
|
{
|
||
|
if (hw->pkg_copy) {
|
||
|
devm_kfree(ice_hw_to_dev(hw), hw->pkg_copy);
|
||
|
hw->pkg_copy = NULL;
|
||
|
hw->pkg_size = 0;
|
||
|
}
|
||
|
hw->seg = NULL;
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* ice_init_pkg_regs - initialize additional package registers
|
||
|
* @hw: pointer to the hardware structure
|
||
|
*/
|
||
|
static void ice_init_pkg_regs(struct ice_hw *hw)
|
||
|
{
|
||
|
#define ICE_SW_BLK_INP_MASK_L 0xFFFFFFFF
|
||
|
#define ICE_SW_BLK_INP_MASK_H 0x0000FFFF
|
||
|
#define ICE_SW_BLK_IDX 0
|
||
|
|
||
|
/* setup Switch block input mask, which is 48-bits in two parts */
|
||
|
wr32(hw, GL_PREEXT_L2_PMASK0(ICE_SW_BLK_IDX), ICE_SW_BLK_INP_MASK_L);
|
||
|
wr32(hw, GL_PREEXT_L2_PMASK1(ICE_SW_BLK_IDX), ICE_SW_BLK_INP_MASK_H);
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* ice_chk_pkg_version - check package version for compatibility with driver
|
||
|
* @pkg_ver: pointer to a version structure to check
|
||
|
*
|
||
|
* Check to make sure that the package about to be downloaded is compatible with
|
||
|
* the driver. To be compatible, the major and minor components of the package
|
||
|
* version must match our ICE_PKG_SUPP_VER_MAJ and ICE_PKG_SUPP_VER_MNR
|
||
|
* definitions.
|
||
|
*/
|
||
|
static enum ice_status ice_chk_pkg_version(struct ice_pkg_ver *pkg_ver)
|
||
|
{
|
||
|
if (pkg_ver->major != ICE_PKG_SUPP_VER_MAJ ||
|
||
|
pkg_ver->minor != ICE_PKG_SUPP_VER_MNR)
|
||
|
return ICE_ERR_NOT_SUPPORTED;
|
||
|
|
||
|
return 0;
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* ice_init_pkg - initialize/download package
|
||
|
* @hw: pointer to the hardware structure
|
||
|
* @buf: pointer to the package buffer
|
||
|
* @len: size of the package buffer
|
||
|
*
|
||
|
* This function initializes a package. The package contains HW tables
|
||
|
* required to do packet processing. First, the function extracts package
|
||
|
* information such as version. Then it finds the ice configuration segment
|
||
|
* within the package; this function then saves a copy of the segment pointer
|
||
|
* within the supplied package buffer. Next, the function will cache any hints
|
||
|
* from the package, followed by downloading the package itself. Note, that if
|
||
|
* a previous PF driver has already downloaded the package successfully, then
|
||
|
* the current driver will not have to download the package again.
|
||
|
*
|
||
|
* The local package contents will be used to query default behavior and to
|
||
|
* update specific sections of the HW's version of the package (e.g. to update
|
||
|
* the parse graph to understand new protocols).
|
||
|
*
|
||
|
* This function stores a pointer to the package buffer memory, and it is
|
||
|
* expected that the supplied buffer will not be freed immediately. If the
|
||
|
* package buffer needs to be freed, such as when read from a file, use
|
||
|
* ice_copy_and_init_pkg() instead of directly calling ice_init_pkg() in this
|
||
|
* case.
|
||
|
*/
|
||
|
enum ice_status ice_init_pkg(struct ice_hw *hw, u8 *buf, u32 len)
|
||
|
{
|
||
|
struct ice_pkg_hdr *pkg;
|
||
|
enum ice_status status;
|
||
|
struct ice_seg *seg;
|
||
|
|
||
|
if (!buf || !len)
|
||
|
return ICE_ERR_PARAM;
|
||
|
|
||
|
pkg = (struct ice_pkg_hdr *)buf;
|
||
|
status = ice_verify_pkg(pkg, len);
|
||
|
if (status) {
|
||
|
ice_debug(hw, ICE_DBG_INIT, "failed to verify pkg (err: %d)\n",
|
||
|
status);
|
||
|
return status;
|
||
|
}
|
||
|
|
||
|
/* initialize package info */
|
||
|
status = ice_init_pkg_info(hw, pkg);
|
||
|
if (status)
|
||
|
return status;
|
||
|
|
||
|
/* before downloading the package, check package version for
|
||
|
* compatibility with driver
|
||
|
*/
|
||
|
status = ice_chk_pkg_version(&hw->pkg_ver);
|
||
|
if (status)
|
||
|
return status;
|
||
|
|
||
|
/* find segment in given package */
|
||
|
seg = (struct ice_seg *)ice_find_seg_in_pkg(hw, SEGMENT_TYPE_ICE, pkg);
|
||
|
if (!seg) {
|
||
|
ice_debug(hw, ICE_DBG_INIT, "no ice segment in package.\n");
|
||
|
return ICE_ERR_CFG;
|
||
|
}
|
||
|
|
||
|
/* download package */
|
||
|
status = ice_download_pkg(hw, seg);
|
||
|
if (status == ICE_ERR_AQ_NO_WORK) {
|
||
|
ice_debug(hw, ICE_DBG_INIT,
|
||
|
"package previously loaded - no work.\n");
|
||
|
status = 0;
|
||
|
}
|
||
|
|
||
|
/* Get information on the package currently loaded in HW, then make sure
|
||
|
* the driver is compatible with this version.
|
||
|
*/
|
||
|
if (!status) {
|
||
|
status = ice_get_pkg_info(hw);
|
||
|
if (!status)
|
||
|
status = ice_chk_pkg_version(&hw->active_pkg_ver);
|
||
|
}
|
||
|
|
||
|
if (!status) {
|
||
|
hw->seg = seg;
|
||
|
/* on successful package download update other required
|
||
|
* registers to support the package and fill HW tables
|
||
|
* with package content.
|
||
|
*/
|
||
|
ice_init_pkg_regs(hw);
|
||
|
ice_fill_blk_tbls(hw);
|
||
|
} else {
|
||
|
ice_debug(hw, ICE_DBG_INIT, "package load failed, %d\n",
|
||
|
status);
|
||
|
}
|
||
|
|
||
|
return status;
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* ice_copy_and_init_pkg - initialize/download a copy of the package
|
||
|
* @hw: pointer to the hardware structure
|
||
|
* @buf: pointer to the package buffer
|
||
|
* @len: size of the package buffer
|
||
|
*
|
||
|
* This function copies the package buffer, and then calls ice_init_pkg() to
|
||
|
* initialize the copied package contents.
|
||
|
*
|
||
|
* The copying is necessary if the package buffer supplied is constant, or if
|
||
|
* the memory may disappear shortly after calling this function.
|
||
|
*
|
||
|
* If the package buffer resides in the data segment and can be modified, the
|
||
|
* caller is free to use ice_init_pkg() instead of ice_copy_and_init_pkg().
|
||
|
*
|
||
|
* However, if the package buffer needs to be copied first, such as when being
|
||
|
* read from a file, the caller should use ice_copy_and_init_pkg().
|
||
|
*
|
||
|
* This function will first copy the package buffer, before calling
|
||
|
* ice_init_pkg(). The caller is free to immediately destroy the original
|
||
|
* package buffer, as the new copy will be managed by this function and
|
||
|
* related routines.
|
||
|
*/
|
||
|
enum ice_status ice_copy_and_init_pkg(struct ice_hw *hw, const u8 *buf, u32 len)
|
||
|
{
|
||
|
enum ice_status status;
|
||
|
u8 *buf_copy;
|
||
|
|
||
|
if (!buf || !len)
|
||
|
return ICE_ERR_PARAM;
|
||
|
|
||
|
buf_copy = devm_kmemdup(ice_hw_to_dev(hw), buf, len, GFP_KERNEL);
|
||
|
|
||
|
status = ice_init_pkg(hw, buf_copy, len);
|
||
|
if (status) {
|
||
|
/* Free the copy, since we failed to initialize the package */
|
||
|
devm_kfree(ice_hw_to_dev(hw), buf_copy);
|
||
|
} else {
|
||
|
/* Track the copied pkg so we can free it later */
|
||
|
hw->pkg_copy = buf_copy;
|
||
|
hw->pkg_size = len;
|
||
|
}
|
||
|
|
||
|
return status;
|
||
|
}
|
||
|
|
||
|
/* PTG Management */
|
||
|
|
||
|
/**
|
||
|
* ice_ptg_find_ptype - Search for packet type group using packet type (ptype)
|
||
|
* @hw: pointer to the hardware structure
|
||
|
* @blk: HW block
|
||
|
* @ptype: the ptype to search for
|
||
|
* @ptg: pointer to variable that receives the PTG
|
||
|
*
|
||
|
* This function will search the PTGs for a particular ptype, returning the
|
||
|
* PTG ID that contains it through the PTG parameter, with the value of
|
||
|
* ICE_DEFAULT_PTG (0) meaning it is part the default PTG.
|
||
|
*/
|
||
|
static enum ice_status
|
||
|
ice_ptg_find_ptype(struct ice_hw *hw, enum ice_block blk, u16 ptype, u8 *ptg)
|
||
|
{
|
||
|
if (ptype >= ICE_XLT1_CNT || !ptg)
|
||
|
return ICE_ERR_PARAM;
|
||
|
|
||
|
*ptg = hw->blk[blk].xlt1.ptypes[ptype].ptg;
|
||
|
return 0;
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* ice_ptg_alloc_val - Allocates a new packet type group ID by value
|
||
|
* @hw: pointer to the hardware structure
|
||
|
* @blk: HW block
|
||
|
* @ptg: the PTG to allocate
|
||
|
*
|
||
|
* This function allocates a given packet type group ID specified by the PTG
|
||
|
* parameter.
|
||
|
*/
|
||
|
static void ice_ptg_alloc_val(struct ice_hw *hw, enum ice_block blk, u8 ptg)
|
||
|
{
|
||
|
hw->blk[blk].xlt1.ptg_tbl[ptg].in_use = true;
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* ice_ptg_remove_ptype - Removes ptype from a particular packet type group
|
||
|
* @hw: pointer to the hardware structure
|
||
|
* @blk: HW block
|
||
|
* @ptype: the ptype to remove
|
||
|
* @ptg: the PTG to remove the ptype from
|
||
|
*
|
||
|
* This function will remove the ptype from the specific PTG, and move it to
|
||
|
* the default PTG (ICE_DEFAULT_PTG).
|
||
|
*/
|
||
|
static enum ice_status
|
||
|
ice_ptg_remove_ptype(struct ice_hw *hw, enum ice_block blk, u16 ptype, u8 ptg)
|
||
|
{
|
||
|
struct ice_ptg_ptype **ch;
|
||
|
struct ice_ptg_ptype *p;
|
||
|
|
||
|
if (ptype > ICE_XLT1_CNT - 1)
|
||
|
return ICE_ERR_PARAM;
|
||
|
|
||
|
if (!hw->blk[blk].xlt1.ptg_tbl[ptg].in_use)
|
||
|
return ICE_ERR_DOES_NOT_EXIST;
|
||
|
|
||
|
/* Should not happen if .in_use is set, bad config */
|
||
|
if (!hw->blk[blk].xlt1.ptg_tbl[ptg].first_ptype)
|
||
|
return ICE_ERR_CFG;
|
||
|
|
||
|
/* find the ptype within this PTG, and bypass the link over it */
|
||
|
p = hw->blk[blk].xlt1.ptg_tbl[ptg].first_ptype;
|
||
|
ch = &hw->blk[blk].xlt1.ptg_tbl[ptg].first_ptype;
|
||
|
while (p) {
|
||
|
if (ptype == (p - hw->blk[blk].xlt1.ptypes)) {
|
||
|
*ch = p->next_ptype;
|
||
|
break;
|
||
|
}
|
||
|
|
||
|
ch = &p->next_ptype;
|
||
|
p = p->next_ptype;
|
||
|
}
|
||
|
|
||
|
hw->blk[blk].xlt1.ptypes[ptype].ptg = ICE_DEFAULT_PTG;
|
||
|
hw->blk[blk].xlt1.ptypes[ptype].next_ptype = NULL;
|
||
|
|
||
|
return 0;
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* ice_ptg_add_mv_ptype - Adds/moves ptype to a particular packet type group
|
||
|
* @hw: pointer to the hardware structure
|
||
|
* @blk: HW block
|
||
|
* @ptype: the ptype to add or move
|
||
|
* @ptg: the PTG to add or move the ptype to
|
||
|
*
|
||
|
* This function will either add or move a ptype to a particular PTG depending
|
||
|
* on if the ptype is already part of another group. Note that using a
|
||
|
* a destination PTG ID of ICE_DEFAULT_PTG (0) will move the ptype to the
|
||
|
* default PTG.
|
||
|
*/
|
||
|
static enum ice_status
|
||
|
ice_ptg_add_mv_ptype(struct ice_hw *hw, enum ice_block blk, u16 ptype, u8 ptg)
|
||
|
{
|
||
|
enum ice_status status;
|
||
|
u8 original_ptg;
|
||
|
|
||
|
if (ptype > ICE_XLT1_CNT - 1)
|
||
|
return ICE_ERR_PARAM;
|
||
|
|
||
|
if (!hw->blk[blk].xlt1.ptg_tbl[ptg].in_use && ptg != ICE_DEFAULT_PTG)
|
||
|
return ICE_ERR_DOES_NOT_EXIST;
|
||
|
|
||
|
status = ice_ptg_find_ptype(hw, blk, ptype, &original_ptg);
|
||
|
if (status)
|
||
|
return status;
|
||
|
|
||
|
/* Is ptype already in the correct PTG? */
|
||
|
if (original_ptg == ptg)
|
||
|
return 0;
|
||
|
|
||
|
/* Remove from original PTG and move back to the default PTG */
|
||
|
if (original_ptg != ICE_DEFAULT_PTG)
|
||
|
ice_ptg_remove_ptype(hw, blk, ptype, original_ptg);
|
||
|
|
||
|
/* Moving to default PTG? Then we're done with this request */
|
||
|
if (ptg == ICE_DEFAULT_PTG)
|
||
|
return 0;
|
||
|
|
||
|
/* Add ptype to PTG at beginning of list */
|
||
|
hw->blk[blk].xlt1.ptypes[ptype].next_ptype =
|
||
|
hw->blk[blk].xlt1.ptg_tbl[ptg].first_ptype;
|
||
|
hw->blk[blk].xlt1.ptg_tbl[ptg].first_ptype =
|
||
|
&hw->blk[blk].xlt1.ptypes[ptype];
|
||
|
|
||
|
hw->blk[blk].xlt1.ptypes[ptype].ptg = ptg;
|
||
|
hw->blk[blk].xlt1.t[ptype] = ptg;
|
||
|
|
||
|
return 0;
|
||
|
}
|
||
|
|
||
|
/* Block / table size info */
|
||
|
struct ice_blk_size_details {
|
||
|
u16 xlt1; /* # XLT1 entries */
|
||
|
u16 xlt2; /* # XLT2 entries */
|
||
|
u16 prof_tcam; /* # profile ID TCAM entries */
|
||
|
u16 prof_id; /* # profile IDs */
|
||
|
u8 prof_cdid_bits; /* # CDID one-hot bits used in key */
|
||
|
u16 prof_redir; /* # profile redirection entries */
|
||
|
u16 es; /* # extraction sequence entries */
|
||
|
u16 fvw; /* # field vector words */
|
||
|
u8 overwrite; /* overwrite existing entries allowed */
|
||
|
u8 reverse; /* reverse FV order */
|
||
|
};
|
||
|
|
||
|
static const struct ice_blk_size_details blk_sizes[ICE_BLK_COUNT] = {
|
||
|
/**
|
||
|
* Table Definitions
|
||
|
* XLT1 - Number of entries in XLT1 table
|
||
|
* XLT2 - Number of entries in XLT2 table
|
||
|
* TCAM - Number of entries Profile ID TCAM table
|
||
|
* CDID - Control Domain ID of the hardware block
|
||
|
* PRED - Number of entries in the Profile Redirection Table
|
||
|
* FV - Number of entries in the Field Vector
|
||
|
* FVW - Width (in WORDs) of the Field Vector
|
||
|
* OVR - Overwrite existing table entries
|
||
|
* REV - Reverse FV
|
||
|
*/
|
||
|
/* XLT1 , XLT2 ,TCAM, PID,CDID,PRED, FV, FVW */
|
||
|
/* Overwrite , Reverse FV */
|
||
|
/* SW */ { ICE_XLT1_CNT, ICE_XLT2_CNT, 512, 256, 0, 256, 256, 48,
|
||
|
false, false },
|
||
|
/* ACL */ { ICE_XLT1_CNT, ICE_XLT2_CNT, 512, 128, 0, 128, 128, 32,
|
||
|
false, false },
|
||
|
/* FD */ { ICE_XLT1_CNT, ICE_XLT2_CNT, 512, 128, 0, 128, 128, 24,
|
||
|
false, true },
|
||
|
/* RSS */ { ICE_XLT1_CNT, ICE_XLT2_CNT, 512, 128, 0, 128, 128, 24,
|
||
|
true, true },
|
||
|
/* PE */ { ICE_XLT1_CNT, ICE_XLT2_CNT, 64, 32, 0, 32, 32, 24,
|
||
|
false, false },
|
||
|
};
|
||
|
|
||
|
enum ice_sid_all {
|
||
|
ICE_SID_XLT1_OFF = 0,
|
||
|
ICE_SID_XLT2_OFF,
|
||
|
ICE_SID_PR_OFF,
|
||
|
ICE_SID_PR_REDIR_OFF,
|
||
|
ICE_SID_ES_OFF,
|
||
|
ICE_SID_OFF_COUNT,
|
||
|
};
|
||
|
|
||
|
/* VSIG Management */
|
||
|
|
||
|
/**
|
||
|
* ice_vsig_find_vsi - find a VSIG that contains a specified VSI
|
||
|
* @hw: pointer to the hardware structure
|
||
|
* @blk: HW block
|
||
|
* @vsi: VSI of interest
|
||
|
* @vsig: pointer to receive the VSI group
|
||
|
*
|
||
|
* This function will lookup the VSI entry in the XLT2 list and return
|
||
|
* the VSI group its associated with.
|
||
|
*/
|
||
|
static enum ice_status
|
||
|
ice_vsig_find_vsi(struct ice_hw *hw, enum ice_block blk, u16 vsi, u16 *vsig)
|
||
|
{
|
||
|
if (!vsig || vsi >= ICE_MAX_VSI)
|
||
|
return ICE_ERR_PARAM;
|
||
|
|
||
|
/* As long as there's a default or valid VSIG associated with the input
|
||
|
* VSI, the functions returns a success. Any handling of VSIG will be
|
||
|
* done by the following add, update or remove functions.
|
||
|
*/
|
||
|
*vsig = hw->blk[blk].xlt2.vsis[vsi].vsig;
|
||
|
|
||
|
return 0;
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* ice_vsig_alloc_val - allocate a new VSIG by value
|
||
|
* @hw: pointer to the hardware structure
|
||
|
* @blk: HW block
|
||
|
* @vsig: the VSIG to allocate
|
||
|
*
|
||
|
* This function will allocate a given VSIG specified by the VSIG parameter.
|
||
|
*/
|
||
|
static u16 ice_vsig_alloc_val(struct ice_hw *hw, enum ice_block blk, u16 vsig)
|
||
|
{
|
||
|
u16 idx = vsig & ICE_VSIG_IDX_M;
|
||
|
|
||
|
if (!hw->blk[blk].xlt2.vsig_tbl[idx].in_use) {
|
||
|
INIT_LIST_HEAD(&hw->blk[blk].xlt2.vsig_tbl[idx].prop_lst);
|
||
|
hw->blk[blk].xlt2.vsig_tbl[idx].in_use = true;
|
||
|
}
|
||
|
|
||
|
return ICE_VSIG_VALUE(idx, hw->pf_id);
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* ice_vsig_remove_vsi - remove VSI from VSIG
|
||
|
* @hw: pointer to the hardware structure
|
||
|
* @blk: HW block
|
||
|
* @vsi: VSI to remove
|
||
|
* @vsig: VSI group to remove from
|
||
|
*
|
||
|
* The function will remove the input VSI from its VSI group and move it
|
||
|
* to the DEFAULT_VSIG.
|
||
|
*/
|
||
|
static enum ice_status
|
||
|
ice_vsig_remove_vsi(struct ice_hw *hw, enum ice_block blk, u16 vsi, u16 vsig)
|
||
|
{
|
||
|
struct ice_vsig_vsi **vsi_head, *vsi_cur, *vsi_tgt;
|
||
|
u16 idx;
|
||
|
|
||
|
idx = vsig & ICE_VSIG_IDX_M;
|
||
|
|
||
|
if (vsi >= ICE_MAX_VSI || idx >= ICE_MAX_VSIGS)
|
||
|
return ICE_ERR_PARAM;
|
||
|
|
||
|
if (!hw->blk[blk].xlt2.vsig_tbl[idx].in_use)
|
||
|
return ICE_ERR_DOES_NOT_EXIST;
|
||
|
|
||
|
/* entry already in default VSIG, don't have to remove */
|
||
|
if (idx == ICE_DEFAULT_VSIG)
|
||
|
return 0;
|
||
|
|
||
|
vsi_head = &hw->blk[blk].xlt2.vsig_tbl[idx].first_vsi;
|
||
|
if (!(*vsi_head))
|
||
|
return ICE_ERR_CFG;
|
||
|
|
||
|
vsi_tgt = &hw->blk[blk].xlt2.vsis[vsi];
|
||
|
vsi_cur = (*vsi_head);
|
||
|
|
||
|
/* iterate the VSI list, skip over the entry to be removed */
|
||
|
while (vsi_cur) {
|
||
|
if (vsi_tgt == vsi_cur) {
|
||
|
(*vsi_head) = vsi_cur->next_vsi;
|
||
|
break;
|
||
|
}
|
||
|
vsi_head = &vsi_cur->next_vsi;
|
||
|
vsi_cur = vsi_cur->next_vsi;
|
||
|
}
|
||
|
|
||
|
/* verify if VSI was removed from group list */
|
||
|
if (!vsi_cur)
|
||
|
return ICE_ERR_DOES_NOT_EXIST;
|
||
|
|
||
|
vsi_cur->vsig = ICE_DEFAULT_VSIG;
|
||
|
vsi_cur->changed = 1;
|
||
|
vsi_cur->next_vsi = NULL;
|
||
|
|
||
|
return 0;
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* ice_vsig_add_mv_vsi - add or move a VSI to a VSI group
|
||
|
* @hw: pointer to the hardware structure
|
||
|
* @blk: HW block
|
||
|
* @vsi: VSI to move
|
||
|
* @vsig: destination VSI group
|
||
|
*
|
||
|
* This function will move or add the input VSI to the target VSIG.
|
||
|
* The function will find the original VSIG the VSI belongs to and
|
||
|
* move the entry to the DEFAULT_VSIG, update the original VSIG and
|
||
|
* then move entry to the new VSIG.
|
||
|
*/
|
||
|
static enum ice_status
|
||
|
ice_vsig_add_mv_vsi(struct ice_hw *hw, enum ice_block blk, u16 vsi, u16 vsig)
|
||
|
{
|
||
|
struct ice_vsig_vsi *tmp;
|
||
|
enum ice_status status;
|
||
|
u16 orig_vsig, idx;
|
||
|
|
||
|
idx = vsig & ICE_VSIG_IDX_M;
|
||
|
|
||
|
if (vsi >= ICE_MAX_VSI || idx >= ICE_MAX_VSIGS)
|
||
|
return ICE_ERR_PARAM;
|
||
|
|
||
|
/* if VSIG not in use and VSIG is not default type this VSIG
|
||
|
* doesn't exist.
|
||
|
*/
|
||
|
if (!hw->blk[blk].xlt2.vsig_tbl[idx].in_use &&
|
||
|
vsig != ICE_DEFAULT_VSIG)
|
||
|
return ICE_ERR_DOES_NOT_EXIST;
|
||
|
|
||
|
status = ice_vsig_find_vsi(hw, blk, vsi, &orig_vsig);
|
||
|
if (status)
|
||
|
return status;
|
||
|
|
||
|
/* no update required if vsigs match */
|
||
|
if (orig_vsig == vsig)
|
||
|
return 0;
|
||
|
|
||
|
if (orig_vsig != ICE_DEFAULT_VSIG) {
|
||
|
/* remove entry from orig_vsig and add to default VSIG */
|
||
|
status = ice_vsig_remove_vsi(hw, blk, vsi, orig_vsig);
|
||
|
if (status)
|
||
|
return status;
|
||
|
}
|
||
|
|
||
|
if (idx == ICE_DEFAULT_VSIG)
|
||
|
return 0;
|
||
|
|
||
|
/* Create VSI entry and add VSIG and prop_mask values */
|
||
|
hw->blk[blk].xlt2.vsis[vsi].vsig = vsig;
|
||
|
hw->blk[blk].xlt2.vsis[vsi].changed = 1;
|
||
|
|
||
|
/* Add new entry to the head of the VSIG list */
|
||
|
tmp = hw->blk[blk].xlt2.vsig_tbl[idx].first_vsi;
|
||
|
hw->blk[blk].xlt2.vsig_tbl[idx].first_vsi =
|
||
|
&hw->blk[blk].xlt2.vsis[vsi];
|
||
|
hw->blk[blk].xlt2.vsis[vsi].next_vsi = tmp;
|
||
|
hw->blk[blk].xlt2.t[vsi] = vsig;
|
||
|
|
||
|
return 0;
|
||
|
}
|
||
|
|
||
|
/* Block / table section IDs */
|
||
|
static const u32 ice_blk_sids[ICE_BLK_COUNT][ICE_SID_OFF_COUNT] = {
|
||
|
/* SWITCH */
|
||
|
{ ICE_SID_XLT1_SW,
|
||
|
ICE_SID_XLT2_SW,
|
||
|
ICE_SID_PROFID_TCAM_SW,
|
||
|
ICE_SID_PROFID_REDIR_SW,
|
||
|
ICE_SID_FLD_VEC_SW
|
||
|
},
|
||
|
|
||
|
/* ACL */
|
||
|
{ ICE_SID_XLT1_ACL,
|
||
|
ICE_SID_XLT2_ACL,
|
||
|
ICE_SID_PROFID_TCAM_ACL,
|
||
|
ICE_SID_PROFID_REDIR_ACL,
|
||
|
ICE_SID_FLD_VEC_ACL
|
||
|
},
|
||
|
|
||
|
/* FD */
|
||
|
{ ICE_SID_XLT1_FD,
|
||
|
ICE_SID_XLT2_FD,
|
||
|
ICE_SID_PROFID_TCAM_FD,
|
||
|
ICE_SID_PROFID_REDIR_FD,
|
||
|
ICE_SID_FLD_VEC_FD
|
||
|
},
|
||
|
|
||
|
/* RSS */
|
||
|
{ ICE_SID_XLT1_RSS,
|
||
|
ICE_SID_XLT2_RSS,
|
||
|
ICE_SID_PROFID_TCAM_RSS,
|
||
|
ICE_SID_PROFID_REDIR_RSS,
|
||
|
ICE_SID_FLD_VEC_RSS
|
||
|
},
|
||
|
|
||
|
/* PE */
|
||
|
{ ICE_SID_XLT1_PE,
|
||
|
ICE_SID_XLT2_PE,
|
||
|
ICE_SID_PROFID_TCAM_PE,
|
||
|
ICE_SID_PROFID_REDIR_PE,
|
||
|
ICE_SID_FLD_VEC_PE
|
||
|
}
|
||
|
};
|
||
|
|
||
|
/**
|
||
|
* ice_init_sw_xlt1_db - init software XLT1 database from HW tables
|
||
|
* @hw: pointer to the hardware structure
|
||
|
* @blk: the HW block to initialize
|
||
|
*/
|
||
|
static void ice_init_sw_xlt1_db(struct ice_hw *hw, enum ice_block blk)
|
||
|
{
|
||
|
u16 pt;
|
||
|
|
||
|
for (pt = 0; pt < hw->blk[blk].xlt1.count; pt++) {
|
||
|
u8 ptg;
|
||
|
|
||
|
ptg = hw->blk[blk].xlt1.t[pt];
|
||
|
if (ptg != ICE_DEFAULT_PTG) {
|
||
|
ice_ptg_alloc_val(hw, blk, ptg);
|
||
|
ice_ptg_add_mv_ptype(hw, blk, pt, ptg);
|
||
|
}
|
||
|
}
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* ice_init_sw_xlt2_db - init software XLT2 database from HW tables
|
||
|
* @hw: pointer to the hardware structure
|
||
|
* @blk: the HW block to initialize
|
||
|
*/
|
||
|
static void ice_init_sw_xlt2_db(struct ice_hw *hw, enum ice_block blk)
|
||
|
{
|
||
|
u16 vsi;
|
||
|
|
||
|
for (vsi = 0; vsi < hw->blk[blk].xlt2.count; vsi++) {
|
||
|
u16 vsig;
|
||
|
|
||
|
vsig = hw->blk[blk].xlt2.t[vsi];
|
||
|
if (vsig) {
|
||
|
ice_vsig_alloc_val(hw, blk, vsig);
|
||
|
ice_vsig_add_mv_vsi(hw, blk, vsi, vsig);
|
||
|
/* no changes at this time, since this has been
|
||
|
* initialized from the original package
|
||
|
*/
|
||
|
hw->blk[blk].xlt2.vsis[vsi].changed = 0;
|
||
|
}
|
||
|
}
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* ice_init_sw_db - init software database from HW tables
|
||
|
* @hw: pointer to the hardware structure
|
||
|
*/
|
||
|
static void ice_init_sw_db(struct ice_hw *hw)
|
||
|
{
|
||
|
u16 i;
|
||
|
|
||
|
for (i = 0; i < ICE_BLK_COUNT; i++) {
|
||
|
ice_init_sw_xlt1_db(hw, (enum ice_block)i);
|
||
|
ice_init_sw_xlt2_db(hw, (enum ice_block)i);
|
||
|
}
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* ice_fill_tbl - Reads content of a single table type into database
|
||
|
* @hw: pointer to the hardware structure
|
||
|
* @block_id: Block ID of the table to copy
|
||
|
* @sid: Section ID of the table to copy
|
||
|
*
|
||
|
* Will attempt to read the entire content of a given table of a single block
|
||
|
* into the driver database. We assume that the buffer will always
|
||
|
* be as large or larger than the data contained in the package. If
|
||
|
* this condition is not met, there is most likely an error in the package
|
||
|
* contents.
|
||
|
*/
|
||
|
static void ice_fill_tbl(struct ice_hw *hw, enum ice_block block_id, u32 sid)
|
||
|
{
|
||
|
u32 dst_len, sect_len, offset = 0;
|
||
|
struct ice_prof_redir_section *pr;
|
||
|
struct ice_prof_id_section *pid;
|
||
|
struct ice_xlt1_section *xlt1;
|
||
|
struct ice_xlt2_section *xlt2;
|
||
|
struct ice_sw_fv_section *es;
|
||
|
struct ice_pkg_enum state;
|
||
|
u8 *src, *dst;
|
||
|
void *sect;
|
||
|
|
||
|
/* if the HW segment pointer is null then the first iteration of
|
||
|
* ice_pkg_enum_section() will fail. In this case the HW tables will
|
||
|
* not be filled and return success.
|
||
|
*/
|
||
|
if (!hw->seg) {
|
||
|
ice_debug(hw, ICE_DBG_PKG, "hw->seg is NULL, tables are not filled\n");
|
||
|
return;
|
||
|
}
|
||
|
|
||
|
memset(&state, 0, sizeof(state));
|
||
|
|
||
|
sect = ice_pkg_enum_section(hw->seg, &state, sid);
|
||
|
|
||
|
while (sect) {
|
||
|
switch (sid) {
|
||
|
case ICE_SID_XLT1_SW:
|
||
|
case ICE_SID_XLT1_FD:
|
||
|
case ICE_SID_XLT1_RSS:
|
||
|
case ICE_SID_XLT1_ACL:
|
||
|
case ICE_SID_XLT1_PE:
|
||
|
xlt1 = (struct ice_xlt1_section *)sect;
|
||
|
src = xlt1->value;
|
||
|
sect_len = le16_to_cpu(xlt1->count) *
|
||
|
sizeof(*hw->blk[block_id].xlt1.t);
|
||
|
dst = hw->blk[block_id].xlt1.t;
|
||
|
dst_len = hw->blk[block_id].xlt1.count *
|
||
|
sizeof(*hw->blk[block_id].xlt1.t);
|
||
|
break;
|
||
|
case ICE_SID_XLT2_SW:
|
||
|
case ICE_SID_XLT2_FD:
|
||
|
case ICE_SID_XLT2_RSS:
|
||
|
case ICE_SID_XLT2_ACL:
|
||
|
case ICE_SID_XLT2_PE:
|
||
|
xlt2 = (struct ice_xlt2_section *)sect;
|
||
|
src = (__force u8 *)xlt2->value;
|
||
|
sect_len = le16_to_cpu(xlt2->count) *
|
||
|
sizeof(*hw->blk[block_id].xlt2.t);
|
||
|
dst = (u8 *)hw->blk[block_id].xlt2.t;
|
||
|
dst_len = hw->blk[block_id].xlt2.count *
|
||
|
sizeof(*hw->blk[block_id].xlt2.t);
|
||
|
break;
|
||
|
case ICE_SID_PROFID_TCAM_SW:
|
||
|
case ICE_SID_PROFID_TCAM_FD:
|
||
|
case ICE_SID_PROFID_TCAM_RSS:
|
||
|
case ICE_SID_PROFID_TCAM_ACL:
|
||
|
case ICE_SID_PROFID_TCAM_PE:
|
||
|
pid = (struct ice_prof_id_section *)sect;
|
||
|
src = (u8 *)pid->entry;
|
||
|
sect_len = le16_to_cpu(pid->count) *
|
||
|
sizeof(*hw->blk[block_id].prof.t);
|
||
|
dst = (u8 *)hw->blk[block_id].prof.t;
|
||
|
dst_len = hw->blk[block_id].prof.count *
|
||
|
sizeof(*hw->blk[block_id].prof.t);
|
||
|
break;
|
||
|
case ICE_SID_PROFID_REDIR_SW:
|
||
|
case ICE_SID_PROFID_REDIR_FD:
|
||
|
case ICE_SID_PROFID_REDIR_RSS:
|
||
|
case ICE_SID_PROFID_REDIR_ACL:
|
||
|
case ICE_SID_PROFID_REDIR_PE:
|
||
|
pr = (struct ice_prof_redir_section *)sect;
|
||
|
src = pr->redir_value;
|
||
|
sect_len = le16_to_cpu(pr->count) *
|
||
|
sizeof(*hw->blk[block_id].prof_redir.t);
|
||
|
dst = hw->blk[block_id].prof_redir.t;
|
||
|
dst_len = hw->blk[block_id].prof_redir.count *
|
||
|
sizeof(*hw->blk[block_id].prof_redir.t);
|
||
|
break;
|
||
|
case ICE_SID_FLD_VEC_SW:
|
||
|
case ICE_SID_FLD_VEC_FD:
|
||
|
case ICE_SID_FLD_VEC_RSS:
|
||
|
case ICE_SID_FLD_VEC_ACL:
|
||
|
case ICE_SID_FLD_VEC_PE:
|
||
|
es = (struct ice_sw_fv_section *)sect;
|
||
|
src = (u8 *)es->fv;
|
||
|
sect_len = (u32)(le16_to_cpu(es->count) *
|
||
|
hw->blk[block_id].es.fvw) *
|
||
|
sizeof(*hw->blk[block_id].es.t);
|
||
|
dst = (u8 *)hw->blk[block_id].es.t;
|
||
|
dst_len = (u32)(hw->blk[block_id].es.count *
|
||
|
hw->blk[block_id].es.fvw) *
|
||
|
sizeof(*hw->blk[block_id].es.t);
|
||
|
break;
|
||
|
default:
|
||
|
return;
|
||
|
}
|
||
|
|
||
|
/* if the section offset exceeds destination length, terminate
|
||
|
* table fill.
|
||
|
*/
|
||
|
if (offset > dst_len)
|
||
|
return;
|
||
|
|
||
|
/* if the sum of section size and offset exceed destination size
|
||
|
* then we are out of bounds of the HW table size for that PF.
|
||
|
* Changing section length to fill the remaining table space
|
||
|
* of that PF.
|
||
|
*/
|
||
|
if ((offset + sect_len) > dst_len)
|
||
|
sect_len = dst_len - offset;
|
||
|
|
||
|
memcpy(dst + offset, src, sect_len);
|
||
|
offset += sect_len;
|
||
|
sect = ice_pkg_enum_section(NULL, &state, sid);
|
||
|
}
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* ice_fill_blk_tbls - Read package context for tables
|
||
|
* @hw: pointer to the hardware structure
|
||
|
*
|
||
|
* Reads the current package contents and populates the driver
|
||
|
* database with the data iteratively for all advanced feature
|
||
|
* blocks. Assume that the HW tables have been allocated.
|
||
|
*/
|
||
|
void ice_fill_blk_tbls(struct ice_hw *hw)
|
||
|
{
|
||
|
u8 i;
|
||
|
|
||
|
for (i = 0; i < ICE_BLK_COUNT; i++) {
|
||
|
enum ice_block blk_id = (enum ice_block)i;
|
||
|
|
||
|
ice_fill_tbl(hw, blk_id, hw->blk[blk_id].xlt1.sid);
|
||
|
ice_fill_tbl(hw, blk_id, hw->blk[blk_id].xlt2.sid);
|
||
|
ice_fill_tbl(hw, blk_id, hw->blk[blk_id].prof.sid);
|
||
|
ice_fill_tbl(hw, blk_id, hw->blk[blk_id].prof_redir.sid);
|
||
|
ice_fill_tbl(hw, blk_id, hw->blk[blk_id].es.sid);
|
||
|
}
|
||
|
|
||
|
ice_init_sw_db(hw);
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* ice_free_hw_tbls - free hardware table memory
|
||
|
* @hw: pointer to the hardware structure
|
||
|
*/
|
||
|
void ice_free_hw_tbls(struct ice_hw *hw)
|
||
|
{
|
||
|
u8 i;
|
||
|
|
||
|
for (i = 0; i < ICE_BLK_COUNT; i++) {
|
||
|
hw->blk[i].is_list_init = false;
|
||
|
|
||
|
devm_kfree(ice_hw_to_dev(hw), hw->blk[i].xlt1.ptypes);
|
||
|
devm_kfree(ice_hw_to_dev(hw), hw->blk[i].xlt1.ptg_tbl);
|
||
|
devm_kfree(ice_hw_to_dev(hw), hw->blk[i].xlt1.t);
|
||
|
devm_kfree(ice_hw_to_dev(hw), hw->blk[i].xlt2.t);
|
||
|
devm_kfree(ice_hw_to_dev(hw), hw->blk[i].xlt2.vsig_tbl);
|
||
|
devm_kfree(ice_hw_to_dev(hw), hw->blk[i].xlt2.vsis);
|
||
|
devm_kfree(ice_hw_to_dev(hw), hw->blk[i].prof.t);
|
||
|
devm_kfree(ice_hw_to_dev(hw), hw->blk[i].prof_redir.t);
|
||
|
devm_kfree(ice_hw_to_dev(hw), hw->blk[i].es.t);
|
||
|
devm_kfree(ice_hw_to_dev(hw), hw->blk[i].es.ref_count);
|
||
|
devm_kfree(ice_hw_to_dev(hw), hw->blk[i].es.written);
|
||
|
}
|
||
|
|
||
|
memset(hw->blk, 0, sizeof(hw->blk));
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* ice_clear_hw_tbls - clear HW tables and flow profiles
|
||
|
* @hw: pointer to the hardware structure
|
||
|
*/
|
||
|
void ice_clear_hw_tbls(struct ice_hw *hw)
|
||
|
{
|
||
|
u8 i;
|
||
|
|
||
|
for (i = 0; i < ICE_BLK_COUNT; i++) {
|
||
|
struct ice_prof_redir *prof_redir = &hw->blk[i].prof_redir;
|
||
|
struct ice_prof_tcam *prof = &hw->blk[i].prof;
|
||
|
struct ice_xlt1 *xlt1 = &hw->blk[i].xlt1;
|
||
|
struct ice_xlt2 *xlt2 = &hw->blk[i].xlt2;
|
||
|
struct ice_es *es = &hw->blk[i].es;
|
||
|
|
||
|
memset(xlt1->ptypes, 0, xlt1->count * sizeof(*xlt1->ptypes));
|
||
|
memset(xlt1->ptg_tbl, 0,
|
||
|
ICE_MAX_PTGS * sizeof(*xlt1->ptg_tbl));
|
||
|
memset(xlt1->t, 0, xlt1->count * sizeof(*xlt1->t));
|
||
|
|
||
|
memset(xlt2->vsis, 0, xlt2->count * sizeof(*xlt2->vsis));
|
||
|
memset(xlt2->vsig_tbl, 0,
|
||
|
xlt2->count * sizeof(*xlt2->vsig_tbl));
|
||
|
memset(xlt2->t, 0, xlt2->count * sizeof(*xlt2->t));
|
||
|
|
||
|
memset(prof->t, 0, prof->count * sizeof(*prof->t));
|
||
|
memset(prof_redir->t, 0,
|
||
|
prof_redir->count * sizeof(*prof_redir->t));
|
||
|
|
||
|
memset(es->t, 0, es->count * sizeof(*es->t));
|
||
|
memset(es->ref_count, 0, es->count * sizeof(*es->ref_count));
|
||
|
memset(es->written, 0, es->count * sizeof(*es->written));
|
||
|
}
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* ice_init_hw_tbls - init hardware table memory
|
||
|
* @hw: pointer to the hardware structure
|
||
|
*/
|
||
|
enum ice_status ice_init_hw_tbls(struct ice_hw *hw)
|
||
|
{
|
||
|
u8 i;
|
||
|
|
||
|
for (i = 0; i < ICE_BLK_COUNT; i++) {
|
||
|
struct ice_prof_redir *prof_redir = &hw->blk[i].prof_redir;
|
||
|
struct ice_prof_tcam *prof = &hw->blk[i].prof;
|
||
|
struct ice_xlt1 *xlt1 = &hw->blk[i].xlt1;
|
||
|
struct ice_xlt2 *xlt2 = &hw->blk[i].xlt2;
|
||
|
struct ice_es *es = &hw->blk[i].es;
|
||
|
u16 j;
|
||
|
|
||
|
if (hw->blk[i].is_list_init)
|
||
|
continue;
|
||
|
|
||
|
hw->blk[i].is_list_init = true;
|
||
|
|
||
|
hw->blk[i].overwrite = blk_sizes[i].overwrite;
|
||
|
es->reverse = blk_sizes[i].reverse;
|
||
|
|
||
|
xlt1->sid = ice_blk_sids[i][ICE_SID_XLT1_OFF];
|
||
|
xlt1->count = blk_sizes[i].xlt1;
|
||
|
|
||
|
xlt1->ptypes = devm_kcalloc(ice_hw_to_dev(hw), xlt1->count,
|
||
|
sizeof(*xlt1->ptypes), GFP_KERNEL);
|
||
|
|
||
|
if (!xlt1->ptypes)
|
||
|
goto err;
|
||
|
|
||
|
xlt1->ptg_tbl = devm_kcalloc(ice_hw_to_dev(hw), ICE_MAX_PTGS,
|
||
|
sizeof(*xlt1->ptg_tbl),
|
||
|
GFP_KERNEL);
|
||
|
|
||
|
if (!xlt1->ptg_tbl)
|
||
|
goto err;
|
||
|
|
||
|
xlt1->t = devm_kcalloc(ice_hw_to_dev(hw), xlt1->count,
|
||
|
sizeof(*xlt1->t), GFP_KERNEL);
|
||
|
if (!xlt1->t)
|
||
|
goto err;
|
||
|
|
||
|
xlt2->sid = ice_blk_sids[i][ICE_SID_XLT2_OFF];
|
||
|
xlt2->count = blk_sizes[i].xlt2;
|
||
|
|
||
|
xlt2->vsis = devm_kcalloc(ice_hw_to_dev(hw), xlt2->count,
|
||
|
sizeof(*xlt2->vsis), GFP_KERNEL);
|
||
|
|
||
|
if (!xlt2->vsis)
|
||
|
goto err;
|
||
|
|
||
|
xlt2->vsig_tbl = devm_kcalloc(ice_hw_to_dev(hw), xlt2->count,
|
||
|
sizeof(*xlt2->vsig_tbl),
|
||
|
GFP_KERNEL);
|
||
|
if (!xlt2->vsig_tbl)
|
||
|
goto err;
|
||
|
|
||
|
for (j = 0; j < xlt2->count; j++)
|
||
|
INIT_LIST_HEAD(&xlt2->vsig_tbl[j].prop_lst);
|
||
|
|
||
|
xlt2->t = devm_kcalloc(ice_hw_to_dev(hw), xlt2->count,
|
||
|
sizeof(*xlt2->t), GFP_KERNEL);
|
||
|
if (!xlt2->t)
|
||
|
goto err;
|
||
|
|
||
|
prof->sid = ice_blk_sids[i][ICE_SID_PR_OFF];
|
||
|
prof->count = blk_sizes[i].prof_tcam;
|
||
|
prof->max_prof_id = blk_sizes[i].prof_id;
|
||
|
prof->cdid_bits = blk_sizes[i].prof_cdid_bits;
|
||
|
prof->t = devm_kcalloc(ice_hw_to_dev(hw), prof->count,
|
||
|
sizeof(*prof->t), GFP_KERNEL);
|
||
|
|
||
|
if (!prof->t)
|
||
|
goto err;
|
||
|
|
||
|
prof_redir->sid = ice_blk_sids[i][ICE_SID_PR_REDIR_OFF];
|
||
|
prof_redir->count = blk_sizes[i].prof_redir;
|
||
|
prof_redir->t = devm_kcalloc(ice_hw_to_dev(hw),
|
||
|
prof_redir->count,
|
||
|
sizeof(*prof_redir->t),
|
||
|
GFP_KERNEL);
|
||
|
|
||
|
if (!prof_redir->t)
|
||
|
goto err;
|
||
|
|
||
|
es->sid = ice_blk_sids[i][ICE_SID_ES_OFF];
|
||
|
es->count = blk_sizes[i].es;
|
||
|
es->fvw = blk_sizes[i].fvw;
|
||
|
es->t = devm_kcalloc(ice_hw_to_dev(hw),
|
||
|
(u32)(es->count * es->fvw),
|
||
|
sizeof(*es->t), GFP_KERNEL);
|
||
|
if (!es->t)
|
||
|
goto err;
|
||
|
|
||
|
es->ref_count = devm_kcalloc(ice_hw_to_dev(hw), es->count,
|
||
|
sizeof(*es->ref_count),
|
||
|
GFP_KERNEL);
|
||
|
|
||
|
es->written = devm_kcalloc(ice_hw_to_dev(hw), es->count,
|
||
|
sizeof(*es->written), GFP_KERNEL);
|
||
|
if (!es->ref_count)
|
||
|
goto err;
|
||
|
}
|
||
|
return 0;
|
||
|
|
||
|
err:
|
||
|
ice_free_hw_tbls(hw);
|
||
|
return ICE_ERR_NO_MEMORY;
|
||
|
}
|