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sys/dev/irdma/irdma_pble.c
| /*- | /*- | ||||
| * SPDX-License-Identifier: GPL-2.0 or Linux-OpenIB | * SPDX-License-Identifier: GPL-2.0 or Linux-OpenIB | ||||
| * | * | ||||
| * Copyright (c) 2015 - 2021 Intel Corporation | * Copyright (c) 2015 - 2022 Intel Corporation | ||||
| * | * | ||||
| * This software is available to you under a choice of one of two | * This software is available to you under a choice of one of two | ||||
| * licenses. You may choose to be licensed under the terms of the GNU | * licenses. You may choose to be licensed under the terms of the GNU | ||||
| Context not available. | |||||
| * get_lvl1_lvl2_pble - calls get_lvl1 and get_lvl2 pble routine | * get_lvl1_lvl2_pble - calls get_lvl1 and get_lvl2 pble routine | ||||
| * @pble_rsrc: pble resources | * @pble_rsrc: pble resources | ||||
| * @palloc: contains all inforamtion regarding pble (idx + pble addr) | * @palloc: contains all inforamtion regarding pble (idx + pble addr) | ||||
| * @level1_only: flag for a level 1 PBLE | * @lvl: Bitmask for requested pble level | ||||
| */ | */ | ||||
| static int | static int | ||||
| get_lvl1_lvl2_pble(struct irdma_hmc_pble_rsrc *pble_rsrc, | get_lvl1_lvl2_pble(struct irdma_hmc_pble_rsrc *pble_rsrc, | ||||
| struct irdma_pble_alloc *palloc, bool level1_only) | struct irdma_pble_alloc *palloc, u8 lvl) | ||||
| { | { | ||||
| int status = 0; | int status = 0; | ||||
| status = get_lvl1_pble(pble_rsrc, palloc); | status = get_lvl1_pble(pble_rsrc, palloc); | ||||
| if (!status || level1_only || palloc->total_cnt <= PBLE_PER_PAGE) | if (!status || lvl == PBLE_LEVEL_1 || palloc->total_cnt <= PBLE_PER_PAGE) | ||||
| return status; | return status; | ||||
| status = get_lvl2_pble(pble_rsrc, palloc); | status = get_lvl2_pble(pble_rsrc, palloc); | ||||
| Context not available. | |||||
| * @pble_rsrc: pble resources | * @pble_rsrc: pble resources | ||||
| * @palloc: contains all inforamtion regarding pble (idx + pble addr) | * @palloc: contains all inforamtion regarding pble (idx + pble addr) | ||||
| * @pble_cnt: #of pbles requested | * @pble_cnt: #of pbles requested | ||||
| * @level1_only: true if only pble level 1 to acquire | * @lvl: requested pble level mask | ||||
| */ | */ | ||||
| int | int | ||||
| irdma_get_pble(struct irdma_hmc_pble_rsrc *pble_rsrc, | irdma_get_pble(struct irdma_hmc_pble_rsrc *pble_rsrc, | ||||
| struct irdma_pble_alloc *palloc, u32 pble_cnt, | struct irdma_pble_alloc *palloc, u32 pble_cnt, | ||||
| bool level1_only) | u8 lvl) | ||||
| { | { | ||||
| int status = 0; | int status = 0; | ||||
| int max_sds = 0; | int max_sds = 0; | ||||
| Context not available. | |||||
| /* | /* | ||||
| * check first to see if we can get pble's without acquiring additional sd's | * check first to see if we can get pble's without acquiring additional sd's | ||||
| */ | */ | ||||
| status = get_lvl1_lvl2_pble(pble_rsrc, palloc, level1_only); | status = get_lvl1_lvl2_pble(pble_rsrc, palloc, lvl); | ||||
| if (!status) | if (!status) | ||||
| goto exit; | goto exit; | ||||
| Context not available. | |||||
| if (status) | if (status) | ||||
| break; | break; | ||||
| status = get_lvl1_lvl2_pble(pble_rsrc, palloc, level1_only); | status = get_lvl1_lvl2_pble(pble_rsrc, palloc, lvl); | ||||
| /* if level1_only, only go through it once */ | /* if level1_only, only go through it once */ | ||||
| if (!status || level1_only) | if (!status || lvl == PBLE_LEVEL_1) | ||||
| break; | break; | ||||
| } | } | ||||
| Context not available. | |||||