diff options
Diffstat (limited to 'drivers/net/ethernet/intel/ice/ice_flex_pipe.c')
| -rw-r--r-- | drivers/net/ethernet/intel/ice/ice_flex_pipe.c | 1549 |
1 files changed, 1549 insertions, 0 deletions
diff --git a/drivers/net/ethernet/intel/ice/ice_flex_pipe.c b/drivers/net/ethernet/intel/ice/ice_flex_pipe.c new file mode 100644 index 000000000000..cbd53b586c36 --- /dev/null +++ b/drivers/net/ethernet/intel/ice/ice_flex_pipe.c @@ -0,0 +1,1549 @@ +// SPDX-License-Identifier: GPL-2.0 +/* Copyright (c) 2019, Intel Corporation. */ + +#include "ice_common.h" +#include "ice_flex_pipe.h" + +/** + * ice_pkg_val_buf + * @buf: pointer to the ice buffer + * + * This helper function validates a buffer's header. + */ +static struct ice_buf_hdr *ice_pkg_val_buf(struct ice_buf *buf) +{ + struct ice_buf_hdr *hdr; + u16 section_count; + u16 data_end; + + hdr = (struct ice_buf_hdr *)buf->buf; + /* verify data */ + section_count = le16_to_cpu(hdr->section_count); + if (section_count < ICE_MIN_S_COUNT || section_count > ICE_MAX_S_COUNT) + return NULL; + + data_end = le16_to_cpu(hdr->data_end); + if (data_end < ICE_MIN_S_DATA_END || data_end > ICE_MAX_S_DATA_END) + return NULL; + + return hdr; +} + +/** + * ice_find_buf_table + * @ice_seg: pointer to the ice segment + * + * Returns the address of the buffer table within the ice segment. + */ +static struct ice_buf_table *ice_find_buf_table(struct ice_seg *ice_seg) +{ + struct ice_nvm_table *nvms; + + nvms = (struct ice_nvm_table *) + (ice_seg->device_table + + le32_to_cpu(ice_seg->device_table_count)); + + return (__force struct ice_buf_table *) + (nvms->vers + le32_to_cpu(nvms->table_count)); +} + +/** + * ice_pkg_enum_buf + * @ice_seg: pointer to the ice segment (or NULL on subsequent calls) + * @state: pointer to the enum state + * + * This function will enumerate all the buffers in the ice segment. The first + * call is made with the ice_seg parameter non-NULL; on subsequent calls, + * ice_seg is set to NULL which continues the enumeration. When the function + * returns a NULL pointer, then the end of the buffers has been reached, or an + * unexpected value has been detected (for example an invalid section count or + * an invalid buffer end value). + */ +static struct ice_buf_hdr * +ice_pkg_enum_buf(struct ice_seg *ice_seg, struct ice_pkg_enum *state) +{ + if (ice_seg) { + state->buf_table = ice_find_buf_table(ice_seg); + if (!state->buf_table) + return NULL; + + state->buf_idx = 0; + return ice_pkg_val_buf(state->buf_table->buf_array); + } + + if (++state->buf_idx < le32_to_cpu(state->buf_table->buf_count)) + return ice_pkg_val_buf(state->buf_table->buf_array + + state->buf_idx); + else + return NULL; +} + +/** + * ice_pkg_advance_sect + * @ice_seg: pointer to the ice segment (or NULL on subsequent calls) + * @state: pointer to the enum state + * + * This helper function will advance the section within the ice segment, + * also advancing the buffer if needed. + */ +static bool +ice_pkg_advance_sect(struct ice_seg *ice_seg, struct ice_pkg_enum *state) +{ + if (!ice_seg && !state->buf) + return false; + + if (!ice_seg && state->buf) + if (++state->sect_idx < le16_to_cpu(state->buf->section_count)) + return true; + + state->buf = ice_pkg_enum_buf(ice_seg, state); + if (!state->buf) + return false; + + /* start of new buffer, reset section index */ + state->sect_idx = 0; + return true; +} + +/** + * ice_pkg_enum_section + * @ice_seg: pointer to the ice segment (or NULL on subsequent calls) + * @state: pointer to the enum state + * @sect_type: section type to enumerate + * + * This function will enumerate all the sections of a particular type in the + * ice segment. The first call is made with the ice_seg parameter non-NULL; + * on subsequent calls, ice_seg is set to NULL which continues the enumeration. + * When the function returns a NULL pointer, then the end of the matching + * sections has been reached. + */ +static void * +ice_pkg_enum_section(struct ice_seg *ice_seg, struct ice_pkg_enum *state, + u32 sect_type) +{ + u16 offset, size; + + if (ice_seg) + state->type = sect_type; + + if (!ice_pkg_advance_sect(ice_seg, state)) + return NULL; + + /* scan for next matching section */ + while (state->buf->section_entry[state->sect_idx].type != + cpu_to_le32(state->type)) + if (!ice_pkg_advance_sect(NULL, state)) + return NULL; + + /* validate section */ + offset = le16_to_cpu(state->buf->section_entry[state->sect_idx].offset); + if (offset < ICE_MIN_S_OFF || offset > ICE_MAX_S_OFF) + return NULL; + + size = le16_to_cpu(state->buf->section_entry[state->sect_idx].size); + if (size < ICE_MIN_S_SZ || size > ICE_MAX_S_SZ) + return NULL; + + /* make sure the section fits in the buffer */ + if (offset + size > ICE_PKG_BUF_SIZE) + return NULL; + + state->sect_type = + le32_to_cpu(state->buf->section_entry[state->sect_idx].type); + + /* calc pointer to this section */ + state->sect = ((u8 *)state->buf) + + le16_to_cpu(state->buf->section_entry[state->sect_idx].offset); + + return state->sect; +} + +/** + * ice_acquire_global_cfg_lock + * @hw: pointer to the HW structure + * @access: access type (read or write) + * + * This function will request ownership of the global config lock for reading + * or writing of the package. When attempting to obtain write access, the + * caller must check for the following two return values: + * + * ICE_SUCCESS - Means the caller has acquired the global config lock + * and can perform writing of the package. + * ICE_ERR_AQ_NO_WORK - Indicates another driver has already written the + * package or has found that no update was necessary; in + * this case, the caller can just skip performing any + * update of the package. + */ +static enum ice_status +ice_acquire_global_cfg_lock(struct ice_hw *hw, + enum ice_aq_res_access_type access) +{ + enum ice_status status; + + status = ice_acquire_res(hw, ICE_GLOBAL_CFG_LOCK_RES_ID, access, + ICE_GLOBAL_CFG_LOCK_TIMEOUT); + + if (!status) + mutex_lock(&ice_global_cfg_lock_sw); + else if (status == ICE_ERR_AQ_NO_WORK) + ice_debug(hw, ICE_DBG_PKG, + "Global config lock: No work to do\n"); + + return status; +} + +/** + * ice_release_global_cfg_lock + * @hw: pointer to the HW structure + * + * This function will release the global config lock. + */ +static void ice_release_global_cfg_lock(struct ice_hw *hw) +{ + mutex_unlock(&ice_global_cfg_lock_sw); + ice_release_res(hw, ICE_GLOBAL_CFG_LOCK_RES_ID); +} + +/** + * ice_aq_download_pkg + * @hw: pointer to the hardware structure + * @pkg_buf: the package buffer to transfer + * @buf_size: the size of the package buffer + * @last_buf: last buffer indicator + * @error_offset: returns error offset + * @error_info: returns error information + * @cd: pointer to command details structure or NULL + * + * Download Package (0x0C40) + */ +static enum ice_status +ice_aq_download_pkg(struct ice_hw *hw, struct ice_buf_hdr *pkg_buf, + u16 buf_size, bool last_buf, u32 *error_offset, + u32 *error_info, struct ice_sq_cd *cd) +{ + struct ice_aqc_download_pkg *cmd; + struct ice_aq_desc desc; + enum ice_status status; + + if (error_offset) + *error_offset = 0; + if (error_info) + *error_info = 0; + + cmd = &desc.params.download_pkg; + ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_download_pkg); + desc.flags |= cpu_to_le16(ICE_AQ_FLAG_RD); + + if (last_buf) + cmd->flags |= ICE_AQC_DOWNLOAD_PKG_LAST_BUF; + + status = ice_aq_send_cmd(hw, &desc, pkg_buf, buf_size, cd); + if (status == ICE_ERR_AQ_ERROR) { + /* Read error from buffer only when the FW returned an error */ + struct ice_aqc_download_pkg_resp *resp; + + resp = (struct ice_aqc_download_pkg_resp *)pkg_buf; + if (error_offset) + *error_offset = le32_to_cpu(resp->error_offset); + if (error_info) + *error_info = le32_to_cpu(resp->error_info); + } + + return status; +} + +/** + * ice_find_seg_in_pkg + * @hw: pointer to the hardware structure + * @seg_type: the segment type to search for (i.e., SEGMENT_TYPE_CPK) + * @pkg_hdr: pointer to the package header to be searched + * + * This function searches a package file for a particular segment type. On + * success it returns a pointer to the segment header, otherwise it will + * return NULL. + */ +static struct ice_generic_seg_hdr * +ice_find_seg_in_pkg(struct ice_hw *hw, u32 seg_type, + struct ice_pkg_hdr *pkg_hdr) +{ + u32 i; + + ice_debug(hw, ICE_DBG_PKG, "Package format version: %d.%d.%d.%d\n", + pkg_hdr->format_ver.major, pkg_hdr->format_ver.minor, + pkg_hdr->format_ver.update, pkg_hdr->format_ver.draft); + + /* Search all package segments for the requested segment type */ + for (i = 0; i < le32_to_cpu(pkg_hdr->seg_count); i++) { + struct ice_generic_seg_hdr *seg; + + seg = (struct ice_generic_seg_hdr *) + ((u8 *)pkg_hdr + le32_to_cpu(pkg_hdr->seg_offset[i])); + + if (le32_to_cpu(seg->seg_type) == seg_type) + return seg; + } + + return NULL; +} + +/** + * ice_dwnld_cfg_bufs + * @hw: pointer to the hardware structure + * @bufs: pointer to an array of buffers + * @count: the number of buffers in the array + * + * Obtains global config lock and downloads the package configuration buffers + * to the firmware. Metadata buffers are skipped, and the first metadata buffer + * found indicates that the rest of the buffers are all metadata buffers. + */ +static enum ice_status +ice_dwnld_cfg_bufs(struct ice_hw *hw, struct ice_buf *bufs, u32 count) +{ + enum ice_status status; + struct ice_buf_hdr *bh; + u32 offset, info, i; + + if (!bufs || !count) + return ICE_ERR_PARAM; + + /* If the first buffer's first section has its metadata bit set + * then there are no buffers to be downloaded, and the operation is + * considered a success. + */ + bh = (struct ice_buf_hdr *)bufs; + if (le32_to_cpu(bh->section_entry[0].type) & ICE_METADATA_BUF) + return 0; + + /* reset pkg_dwnld_status in case this function is called in the + * reset/rebuild flow + */ + hw->pkg_dwnld_status = ICE_AQ_RC_OK; + + status = ice_acquire_global_cfg_lock(hw, ICE_RES_WRITE); + if (status) { + if (status == ICE_ERR_AQ_NO_WORK) + hw->pkg_dwnld_status = ICE_AQ_RC_EEXIST; + else + hw->pkg_dwnld_status = hw->adminq.sq_last_status; + return status; + } + + for (i = 0; i < count; i++) { + bool last = ((i + 1) == count); + + if (!last) { + /* check next buffer for metadata flag */ + bh = (struct ice_buf_hdr *)(bufs + i + 1); + + /* A set metadata flag in the next buffer will signal + * that the current buffer will be the last buffer + * downloaded + */ + if (le16_to_cpu(bh->section_count)) + if (le32_to_cpu(bh->section_entry[0].type) & + ICE_METADATA_BUF) + last = true; + } + + bh = (struct ice_buf_hdr *)(bufs + i); + + status = ice_aq_download_pkg(hw, bh, ICE_PKG_BUF_SIZE, last, + &offset, &info, NULL); + + /* Save AQ status from download package */ + hw->pkg_dwnld_status = hw->adminq.sq_last_status; + if (status) { + ice_debug(hw, ICE_DBG_PKG, + "Pkg download failed: err %d off %d inf %d\n", + status, offset, info); + + break; + } + + if (last) + break; + } + + ice_release_global_cfg_lock(hw); + + return status; +} + +/** + * ice_aq_get_pkg_info_list + * @hw: pointer to the hardware structure + * @pkg_info: the buffer which will receive the information list + * @buf_size: the size of the pkg_info information buffer + * @cd: pointer to command details structure or NULL + * + * Get Package Info List (0x0C43) + */ +static enum ice_status +ice_aq_get_pkg_info_list(struct ice_hw *hw, + struct ice_aqc_get_pkg_info_resp *pkg_info, + u16 buf_size, struct ice_sq_cd *cd) +{ + struct ice_aq_desc desc; + + ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_get_pkg_info_list); + + return ice_aq_send_cmd(hw, &desc, pkg_info, buf_size, cd); +} + +/** + * 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; +} |