X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=drivers%2Fnet%2Fice%2Fbase%2Fice_flex_pipe.c;h=14e632fab89f0a9fd44ede647f807290804b6a27;hb=7f9f46d6cef5b03681a3935b9a18378e08ca6f62;hp=99108d81c677b82948c11850703c0141706f2e49;hpb=2a1018c4c126c07bed3dd0ab3fc77cf54f3990a3;p=dpdk.git diff --git a/drivers/net/ice/base/ice_flex_pipe.c b/drivers/net/ice/base/ice_flex_pipe.c index 99108d81c6..14e632fab8 100644 --- a/drivers/net/ice/base/ice_flex_pipe.c +++ b/drivers/net/ice/base/ice_flex_pipe.c @@ -1274,6 +1274,25 @@ void ice_free_seg(struct ice_hw *hw) hw->seg = NULL; } +/** + * ice_init_fd_mask_regs - initialize Flow Director mask registers + * @hw: pointer to the HW struct + * + * This function sets up the Flow Director mask registers to allow for complete + * masking off of any of the 24 Field Vector words. After this call, mask 0 will + * mask off all of FV index 0, mask 1 will mask off all of FV index 1, etc. + */ +static void ice_init_fd_mask_regs(struct ice_hw *hw) +{ + u16 i; + + for (i = 0; i < hw->blk[ICE_BLK_FD].es.fvw; i++) { + wr32(hw, GLQF_FDMASK(i), i); + ice_debug(hw, ICE_DBG_INIT, "init fd mask(%d): %x = %x\n", i, + GLQF_FDMASK(i), i); + } +} + /** * ice_init_pkg_regs - initialize additional package registers * @hw: pointer to the hardware structure @@ -1287,6 +1306,8 @@ static void ice_init_pkg_regs(struct ice_hw *hw) /* 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); + /* setup default flow director masks */ + ice_init_fd_mask_regs(hw); } /** @@ -2281,21 +2302,23 @@ ice_vsig_free(struct ice_hw *hw, enum ice_block blk, u16 vsig) hw->blk[blk].xlt2.vsig_tbl[idx].in_use = false; vsi_cur = hw->blk[blk].xlt2.vsig_tbl[idx].first_vsi; - if (!vsi_cur) - return ICE_ERR_CFG; - - /* remove all vsis associated with this VSIG XLT2 entry */ - do { - struct ice_vsig_vsi *tmp = vsi_cur->next_vsi; - - vsi_cur->vsig = ICE_DEFAULT_VSIG; - vsi_cur->changed = 1; - vsi_cur->next_vsi = NULL; - vsi_cur = tmp; - } while (vsi_cur); - - /* NULL terminate head of vsi list */ - hw->blk[blk].xlt2.vsig_tbl[idx].first_vsi = NULL; + /* If the VSIG has at least 1 VSI then iterate through the + * list and remove the VSIs before deleting the group. + */ + if (vsi_cur) { + /* remove all vsis associated with this VSIG XLT2 entry */ + do { + struct ice_vsig_vsi *tmp = vsi_cur->next_vsi; + + vsi_cur->vsig = ICE_DEFAULT_VSIG; + vsi_cur->changed = 1; + vsi_cur->next_vsi = NULL; + vsi_cur = tmp; + } while (vsi_cur); + + /* NULL terminate head of VSI list */ + hw->blk[blk].xlt2.vsig_tbl[idx].first_vsi = NULL; + } /* free characteristic list */ LIST_FOR_EACH_ENTRY_SAFE(del, dtmp, @@ -2444,7 +2467,7 @@ ice_find_prof_id(struct ice_hw *hw, enum ice_block blk, for (i = 0; i < es->count; i++) { off = i * es->fvw; - if (memcmp(&es->t[off], fv, es->fvw * 2)) + if (memcmp(&es->t[off], fv, es->fvw * sizeof(*fv))) continue; *prof_id = i; @@ -2512,199 +2535,6 @@ static bool ice_tcam_ent_rsrc_type(enum ice_block blk, u16 *rsrc_type) return true; } -/** - * ice_workaround_get_res_blk - determine the block from a resource type - * @type: type of resource - * @blk: pointer to a enum that will receive the block type - * @tcam: pointer to variable that will be set to true for a TCAM resource type - */ -static enum -ice_status ice_workaround_get_res_blk(u16 type, enum ice_block *blk, bool *tcam) -{ - /* just need to support TCAM entries and Profile IDs for now */ - *tcam = false; - - switch (type) { - case ICE_AQC_RES_TYPE_SWITCH_PROF_BLDR_TCAM: - *blk = ICE_BLK_SW; - *tcam = true; - break; - case ICE_AQC_RES_TYPE_ACL_PROF_BLDR_TCAM: - *blk = ICE_BLK_ACL; - *tcam = true; - break; - case ICE_AQC_RES_TYPE_FD_PROF_BLDR_TCAM: - *blk = ICE_BLK_FD; - *tcam = true; - break; - case ICE_AQC_RES_TYPE_HASH_PROF_BLDR_TCAM: - *blk = ICE_BLK_RSS; - *tcam = true; - break; - case ICE_AQC_RES_TYPE_QHASH_PROF_BLDR_TCAM: - *blk = ICE_BLK_PE; - *tcam = true; - break; - case ICE_AQC_RES_TYPE_SWITCH_PROF_BLDR_PROFID: - *blk = ICE_BLK_SW; - break; - case ICE_AQC_RES_TYPE_ACL_PROF_BLDR_PROFID: - *blk = ICE_BLK_ACL; - break; - case ICE_AQC_RES_TYPE_FD_PROF_BLDR_PROFID: - *blk = ICE_BLK_FD; - break; - case ICE_AQC_RES_TYPE_HASH_PROF_BLDR_PROFID: - *blk = ICE_BLK_RSS; - break; - case ICE_AQC_RES_TYPE_QHASH_PROF_BLDR_PROFID: - *blk = ICE_BLK_PE; - break; - default: - return ICE_ERR_PARAM; - } - - return ICE_SUCCESS; -} - -/** - * ice_alloc_res_workaround - * @hw: pointer to the hw struct - * @type: type of resource - * @num: number of resources to allocate - * @res: pointer to array that will receive the resources - */ -static enum ice_status -ice_alloc_res_workaround(struct ice_hw *hw, u16 type, u16 num, u16 *res) -{ - enum ice_block blk; - u16 count = 0; - bool tcam; - u16 first; - u16 last; - u16 max; - u16 i; - -/* Number of PFs we support with this workaround */ -#define ICE_WA_PF_COUNT 4 -#define ICE_WA_1ST_TCAM 4 -#define ICE_WA_1ST_FV 4 - - /* Only allow our supported PFs */ - if (hw->pf_id >= ICE_WA_PF_COUNT) - return ICE_ERR_AQ_ERROR; - - if (ice_workaround_get_res_blk(type, &blk, &tcam)) - return ICE_ERR_AQ_ERROR; - - if (tcam) { - /* range of entries based on PF */ - max = hw->blk[blk].prof.count / ICE_WA_PF_COUNT; - first = max * hw->pf_id; - last = first + max; - - /* Profile IDs - start at non-zero index for PROF ID TCAM table - * The first few entries are for bypass, default and errors - * (only relevant for PF 0) - */ - first += hw->pf_id ? 0 : ICE_WA_1ST_TCAM; - - for (i = first; i < last && count < num; i++) { - if (!hw->blk[blk].prof.resource_used_hack[i]) { - res[count++] = i; - hw->blk[blk].prof.resource_used_hack[i] = true; - } - } - - /* handle failure case */ - if (count < num) { - for (i = 0; i < count; i++) { - hw->blk[blk].prof.resource_used_hack[res[i]] = - false; - res[i] = 0; - } - - return ICE_ERR_AQ_ERROR; - } - } else { - /* range of entries based on PF */ - max = hw->blk[blk].es.count / ICE_WA_PF_COUNT; - first = max * hw->pf_id; - last = first + max; - - /* FV index - start at non-zero index for Field vector table - * The first few entries are for bypass, default and errors - * (only relevant for PF 0) - */ - first += hw->pf_id ? 0 : ICE_WA_1ST_FV; - - for (i = first; i < last && count < num; i++) { - if (!hw->blk[blk].es.resource_used_hack[i]) { - res[count++] = i; - hw->blk[blk].es.resource_used_hack[i] = true; - } - } - - /* handle failure case */ - if (count < num) { - for (i = 0; i < count; i++) { - hw->blk[blk].es.resource_used_hack[res[i]] = - false; - res[i] = 0; - } - - return ICE_ERR_AQ_ERROR; - } - } - - return ICE_SUCCESS; -} - -/** - * ice_free_res_workaround - * @hw: pointer to the hw struct - * @type: type of resource to free - * @num: number of resources - * @res: array of resource ids to free - */ -static enum ice_status -ice_free_res_workaround(struct ice_hw *hw, u16 type, u16 num, u16 *res) -{ - enum ice_block blk; - bool tcam = false; - u16 i; - - if (ice_workaround_get_res_blk(type, &blk, &tcam)) - return ICE_ERR_AQ_ERROR; - - if (tcam) { - /* TCAM entries */ - for (i = 0; i < num; i++) { - if (res[i] < hw->blk[blk].prof.count) { - u16 idx = res[i]; - - ice_free_hw_res(hw, type, 1, &idx); - hw->blk[blk].prof.resource_used_hack[res[i]] = - false; - } - } - - } else { - /* Profile IDs */ - for (i = 0; i < num; i++) { - if (res[i] < hw->blk[blk].es.count) { - u16 idx = res[i]; - - ice_free_hw_res(hw, type, 1, &idx); - hw->blk[blk].es.resource_used_hack[res[i]] = - false; - } - } - } - - return ICE_SUCCESS; -} - /** * ice_alloc_tcam_ent - allocate hardware TCAM entry * @hw: pointer to the HW struct @@ -2722,7 +2552,7 @@ ice_alloc_tcam_ent(struct ice_hw *hw, enum ice_block blk, u16 *tcam_idx) if (!ice_tcam_ent_rsrc_type(blk, &res_type)) return ICE_ERR_PARAM; - return ice_alloc_res_workaround(hw, res_type, 1, tcam_idx); + return ice_alloc_hw_res(hw, res_type, 1, true, tcam_idx); } /** @@ -2741,7 +2571,7 @@ ice_free_tcam_ent(struct ice_hw *hw, enum ice_block blk, u16 tcam_idx) if (!ice_tcam_ent_rsrc_type(blk, &res_type)) return ICE_ERR_PARAM; - return ice_free_res_workaround(hw, res_type, 1, &tcam_idx); + return ice_free_hw_res(hw, res_type, 1, &tcam_idx); } /** @@ -2763,7 +2593,7 @@ ice_alloc_prof_id(struct ice_hw *hw, enum ice_block blk, u8 *prof_id) if (!ice_prof_id_rsrc_type(blk, &res_type)) return ICE_ERR_PARAM; - status = ice_alloc_res_workaround(hw, res_type, 1, &get_prof); + status = ice_alloc_hw_res(hw, res_type, 1, false, &get_prof); if (!status) *prof_id = (u8)get_prof; @@ -2787,15 +2617,7 @@ ice_free_prof_id(struct ice_hw *hw, enum ice_block blk, u8 prof_id) if (!ice_prof_id_rsrc_type(blk, &res_type)) return ICE_ERR_PARAM; - return ice_free_res_workaround(hw, res_type, 1, &tmp_prof_id); - /* The following code is a WORKAROUND until DCR 076 is available. - * DCR 076 - Update to Profile ID TCAM Resource Allocation - * - * Once the DCR 076 changes are available in FW, this code can be - * restored. Original code: - * - * return ice_free_res(hw, res_type, 1, &tmp_prof_id); - */ + return ice_free_hw_res(hw, res_type, 1, &tmp_prof_id); } /** @@ -3102,8 +2924,7 @@ static void ice_free_prof_map(struct ice_hw *hw, enum ice_block blk) LIST_FOR_EACH_ENTRY_SAFE(del, tmp, &hw->blk[blk].es.prof_map, ice_prof_map, list) { - LIST_DEL(&del->list); - ice_free(hw, del); + ice_rem_prof(hw, blk, del->profile_cookie); } } @@ -3145,9 +2966,6 @@ void ice_free_hw_tbls(struct ice_hw *hw) ice_free(hw, hw->blk[i].prof_redir.t); ice_free(hw, hw->blk[i].es.t); ice_free(hw, hw->blk[i].es.ref_count); - - ice_free(hw, hw->blk[i].es.resource_used_hack); - ice_free(hw, hw->blk[i].prof.resource_used_hack); ice_free(hw, hw->blk[i].es.written); } @@ -3324,18 +3142,6 @@ enum ice_status ice_init_hw_tbls(struct ice_hw *hw) if (!es->ref_count) goto err; - es->resource_used_hack = (u8 *) - ice_calloc(hw, hw->blk[i].es.count, sizeof(u8)); - - if (!es->resource_used_hack) - goto err; - - prof->resource_used_hack = (u8 *)ice_calloc(hw, prof->count, - sizeof(u8)); - - if (!prof->resource_used_hack) - goto err; - INIT_LIST_HEAD(&es->prof_map); /* Now that tables are allocated, read in package data */ @@ -3782,6 +3588,205 @@ error_tmp: return status; } +/** + * ice_update_fd_mask - set Flow Director Field Vector mask for a profile + * @hw: pointer to the HW struct + * @prof_id: profile ID + * @mask_sel: mask select + * + * This function enable any of the masks selected by the mask select parameter + * for the profile specified. + */ +static void ice_update_fd_mask(struct ice_hw *hw, u16 prof_id, u32 mask_sel) +{ + wr32(hw, GLQF_FDMASK_SEL(prof_id), mask_sel); + + ice_debug(hw, ICE_DBG_INIT, "fd mask(%d): %x = %x\n", prof_id, + GLQF_FDMASK_SEL(prof_id), mask_sel); +} + +#define ICE_SRC_DST_MAX_COUNT 8 + +struct ice_fd_src_dst_pair { + u8 prot_id; + u8 count; + u16 off; +}; + +static const struct ice_fd_src_dst_pair ice_fd_pairs[] = { + /* These are defined in pairs */ + { ICE_PROT_IPV4_OF_OR_S, 2, 12 }, + { ICE_PROT_IPV4_OF_OR_S, 2, 16 }, + + { ICE_PROT_IPV4_IL, 2, 12 }, + { ICE_PROT_IPV4_IL, 2, 16 }, + + { ICE_PROT_IPV6_OF_OR_S, 8, 8 }, + { ICE_PROT_IPV6_OF_OR_S, 8, 24 }, + + { ICE_PROT_IPV6_IL, 8, 8 }, + { ICE_PROT_IPV6_IL, 8, 24 }, + + { ICE_PROT_TCP_IL, 1, 0 }, + { ICE_PROT_TCP_IL, 1, 2 }, + + { ICE_PROT_UDP_OF, 1, 0 }, + { ICE_PROT_UDP_OF, 1, 2 }, + + { ICE_PROT_UDP_IL_OR_S, 1, 0 }, + { ICE_PROT_UDP_IL_OR_S, 1, 2 }, + + { ICE_PROT_SCTP_IL, 1, 0 }, + { ICE_PROT_SCTP_IL, 1, 2 } +}; + +#define ICE_FD_SRC_DST_PAIR_COUNT ARRAY_SIZE(ice_fd_pairs) + +/** + * ice_update_fd_swap - set register appropriately for a FD FV extraction + * @hw: pointer to the HW struct + * @prof_id: profile ID + * @es: extraction sequence (length of array is determined by the block) + */ +static enum ice_status +ice_update_fd_swap(struct ice_hw *hw, u16 prof_id, struct ice_fv_word *es) +{ + ice_declare_bitmap(pair_list, ICE_FD_SRC_DST_PAIR_COUNT); + u8 pair_start[ICE_FD_SRC_DST_PAIR_COUNT] = { 0 }; +#define ICE_FD_FV_NOT_FOUND (-2) + s8 first_free = ICE_FD_FV_NOT_FOUND; + u8 used[ICE_MAX_FV_WORDS] = { 0 }; + s8 orig_free, si; + u32 mask_sel = 0; + u8 i, j, k; + + ice_memset(pair_list, 0, sizeof(pair_list), ICE_NONDMA_MEM); + + ice_init_fd_mask_regs(hw); + + /* This code assumes that the Flow Director field vectors are assigned + * from the end of the FV indexes working towards the zero index, that + * only complete fields will be included and will be consecutive, and + * that there are no gaps between valid indexes. + */ + + /* Determine swap fields present */ + for (i = 0; i < hw->blk[ICE_BLK_FD].es.fvw; i++) { + /* Find the first free entry, assuming right to left population. + * This is where we can start adding additional pairs if needed. + */ + if (first_free == ICE_FD_FV_NOT_FOUND && es[i].prot_id != + ICE_PROT_INVALID) + first_free = i - 1; + + for (j = 0; j < ICE_FD_SRC_DST_PAIR_COUNT; j++) { + if (es[i].prot_id == ice_fd_pairs[j].prot_id && + es[i].off == ice_fd_pairs[j].off) { + ice_set_bit(j, pair_list); + pair_start[j] = i; + } + } + } + + orig_free = first_free; + + /* determine missing swap fields that need to be added */ + for (i = 0; i < ICE_FD_SRC_DST_PAIR_COUNT; i += 2) { + u8 bit1 = ice_is_bit_set(pair_list, i + 1); + u8 bit0 = ice_is_bit_set(pair_list, i); + + if (bit0 ^ bit1) { + u8 index; + + /* add the appropriate 'paired' entry */ + if (!bit0) + index = i; + else + index = i + 1; + + /* check for room */ + if (first_free + 1 < ice_fd_pairs[index].count) + return ICE_ERR_MAX_LIMIT; + + /* place in extraction sequence */ + for (k = 0; k < ice_fd_pairs[index].count; k++) { + es[first_free - k].prot_id = + ice_fd_pairs[index].prot_id; + es[first_free - k].off = + ice_fd_pairs[index].off + (k * 2); + + /* keep track of non-relevant fields */ + mask_sel |= 1 << (first_free - k); + } + + pair_start[index] = first_free; + first_free -= ice_fd_pairs[index].count; + } + } + + /* fill in the swap array */ + si = hw->blk[ICE_BLK_FD].es.fvw - 1; + do { + u8 indexes_used = 1; + + /* assume flat at this index */ +#define ICE_SWAP_VALID 0x80 + used[si] = si | ICE_SWAP_VALID; + + if (orig_free == ICE_FD_FV_NOT_FOUND || si <= orig_free) { + si -= indexes_used; + continue; + } + + /* check for a swap location */ + for (j = 0; j < ICE_FD_SRC_DST_PAIR_COUNT; j++) { + if (es[si].prot_id == ice_fd_pairs[j].prot_id && + es[si].off == ice_fd_pairs[j].off) { + u8 idx; + + /* determine the appropriate matching field */ + idx = j + ((j % 2) ? -1 : 1); + + indexes_used = ice_fd_pairs[idx].count; + for (k = 0; k < indexes_used; k++) { + used[si - k] = (pair_start[idx] - k) | + ICE_SWAP_VALID; + } + + break; + } + } + + si -= indexes_used; + } while (si >= 0); + + /* for each set of 4 swap indexes, write the appropriate register */ + for (j = 0; j < hw->blk[ICE_BLK_FD].es.fvw / 4; j++) { + u32 raw_entry = 0; + + for (k = 0; k < 4; k++) { + u8 idx; + + idx = (j * 4) + k; + if (used[idx]) + raw_entry |= used[idx] << (k * 8); + } + + /* write the appropriate register set, based on HW block */ + wr32(hw, GLQF_FDSWAP(prof_id, j), raw_entry); + + ice_debug(hw, ICE_DBG_INIT, "swap wr(%d, %d): %x = %x\n", + prof_id, j, GLQF_FDSWAP(prof_id, j), raw_entry); + } + + /* update the masks for this profile to be sure we ignore fields that + * are not relevant to our match criteria + */ + ice_update_fd_mask(hw, prof_id, mask_sel); + + return ICE_SUCCESS; +} + /** * ice_add_prof - add profile * @hw: pointer to the HW struct @@ -3812,6 +3817,18 @@ ice_add_prof(struct ice_hw *hw, enum ice_block blk, u64 id, u8 ptypes[], status = ice_alloc_prof_id(hw, blk, &prof_id); if (status) goto err_ice_add_prof; + if (blk == ICE_BLK_FD) { + /* For Flow Director block, the extraction sequence may + * need to be altered in the case where there are paired + * fields that have no match. This is necessary because + * for Flow Director, src and dest fields need to paired + * for filter programming and these values are swapped + * during Tx. + */ + status = ice_update_fd_swap(hw, prof_id, es); + if (status) + goto err_ice_add_prof; + } /* and write new es */ ice_write_es(hw, blk, prof_id, es); @@ -4035,36 +4052,32 @@ ice_rem_vsig(struct ice_hw *hw, enum ice_block blk, u16 vsig, /* Move all VSIS associated with this VSIG to the default VSIG */ vsi_cur = hw->blk[blk].xlt2.vsig_tbl[idx].first_vsi; - if (!vsi_cur) - return ICE_ERR_CFG; - - do { - struct ice_vsig_vsi *tmp = vsi_cur->next_vsi; - struct ice_chs_chg *p; - - p = (struct ice_chs_chg *)ice_malloc(hw, sizeof(*p)); - if (!p) - goto err_ice_rem_vsig; + /* If the VSIG has at least 1 VSI then iterate through the list + * and remove the VSIs before deleting the group. + */ + if (vsi_cur) { + do { + struct ice_vsig_vsi *tmp = vsi_cur->next_vsi; + struct ice_chs_chg *p; - p->type = ICE_VSIG_REM; - p->orig_vsig = vsig; - p->vsig = ICE_DEFAULT_VSIG; - p->vsi = vsi_cur - hw->blk[blk].xlt2.vsis; + p = (struct ice_chs_chg *)ice_malloc(hw, sizeof(*p)); + if (!p) + return ICE_ERR_NO_MEMORY; - LIST_ADD(&p->list_entry, chg); + p->type = ICE_VSIG_REM; + p->orig_vsig = vsig; + p->vsig = ICE_DEFAULT_VSIG; + p->vsi = vsi_cur - hw->blk[blk].xlt2.vsis; - status = ice_vsig_free(hw, blk, vsig); - if (status) - return status; + LIST_ADD(&p->list_entry, chg); - vsi_cur = tmp; - } while (vsi_cur); + vsi_cur = tmp; + } while (vsi_cur); + } - return ICE_SUCCESS; + status = ice_vsig_free(hw, blk, vsig); -err_ice_rem_vsig: - /* the caller will free up the change list */ - return ICE_ERR_NO_MEMORY; + return status; } /** @@ -4160,13 +4173,13 @@ enum ice_status ice_rem_prof(struct ice_hw *hw, enum ice_block blk, u64 id) if (!pmap) return ICE_ERR_DOES_NOT_EXIST; - status = ice_free_prof_id(hw, blk, pmap->prof_id); - + /* remove all flows with this profile */ + status = ice_rem_flow_all(hw, blk, pmap->profile_cookie); if (status) return status; - /* remove all flows with this profile */ - status = ice_rem_flow_all(hw, blk, pmap->profile_cookie); + /* remove profile */ + status = ice_free_prof_id(hw, blk, pmap->prof_id); if (status) return status; /* dereference profile, and possibly remove */ @@ -4261,7 +4274,7 @@ ice_get_profs_vsig(struct ice_hw *hw, enum ice_block blk, u16 vsig, ice_memcpy(p, ent1, sizeof(*p), ICE_NONDMA_TO_NONDMA); - LIST_ADD(&p->list, lst); + LIST_ADD_TAIL(&p->list, lst); } return ICE_SUCCESS; @@ -4768,14 +4781,13 @@ ice_add_prof_id_flow(struct ice_hw *hw, enum ice_block blk, u16 vsi, u64 hdl) /* search for an existing VSIG with an exact charc match */ status = ice_find_dup_props_vsig(hw, blk, &union_lst, &vsig); if (!status) { - /* found an exact match */ - /* move vsi to the VSIG that matches */ + /* move VSI to the VSIG that matches */ status = ice_move_vsi(hw, blk, vsi, vsig, &chg); if (status) goto err_ice_add_prof_id_flow; - /* remove original VSIG if we just moved the only VSI - * from it + /* VSI has been moved out of or_vsig. If the or_vsig had + * only that VSI it is now empty and can be removed. */ if (only_vsi) { status = ice_rem_vsig(hw, blk, or_vsig, &chg);