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Differential D36944 Diff 111679 sys/dev/irdma/irdma_hmc.c

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sys/dev/irdma/irdma_hmc.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
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irdma_set_sd_entry(u64 pa, u32 idx, enum irdma_sd_entry_type type, irdma_set_sd_entry(u64 pa, u32 idx, enum irdma_sd_entry_type type,
struct irdma_update_sd_entry *entry) struct irdma_update_sd_entry *entry)
{ {
entry->data = pa | (IRDMA_HMC_MAX_BP_COUNT << IRDMA_PFHMC_SDDATALOW_PMSDBPCOUNT_S) | entry->data = pa |
(((type == IRDMA_SD_TYPE_PAGED) ? 0 : 1) << IRDMA_PFHMC_SDDATALOW_PMSDTYPE_S) | FIELD_PREP(IRDMA_PFHMC_SDDATALOW_PMSDBPCOUNT, IRDMA_HMC_MAX_BP_COUNT) |
(1 << IRDMA_PFHMC_SDDATALOW_PMSDVALID_S); FIELD_PREP(IRDMA_PFHMC_SDDATALOW_PMSDTYPE,
entry->cmd = (idx | (1 << IRDMA_PFHMC_SDCMD_PMSDWR_S) | (1 << 15)); type == IRDMA_SD_TYPE_PAGED ? 0 : 1) |
FIELD_PREP(IRDMA_PFHMC_SDDATALOW_PMSDVALID, 1);
entry->cmd = idx | FIELD_PREP(IRDMA_PFHMC_SDCMD_PMSDWR, 1) |
IRDMA_PFHMC_SDCMD_PMSDPARTSEL;
} }
/** /**
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irdma_clr_sd_entry(u32 idx, enum irdma_sd_entry_type type, irdma_clr_sd_entry(u32 idx, enum irdma_sd_entry_type type,
struct irdma_update_sd_entry *entry) struct irdma_update_sd_entry *entry)
{ {
entry->data = (IRDMA_HMC_MAX_BP_COUNT << IRDMA_PFHMC_SDDATALOW_PMSDBPCOUNT_S) | entry->data = FIELD_PREP(IRDMA_PFHMC_SDDATALOW_PMSDBPCOUNT, IRDMA_HMC_MAX_BP_COUNT) |
(((type == IRDMA_SD_TYPE_PAGED) ? 0 : 1) << IRDMA_PFHMC_SDDATALOW_PMSDTYPE_S); FIELD_PREP(IRDMA_PFHMC_SDDATALOW_PMSDTYPE,
entry->cmd = (idx | (1 << IRDMA_PFHMC_SDCMD_PMSDWR_S) | (1 << 15)); type == IRDMA_SD_TYPE_PAGED ? 0 : 1);
entry->cmd = idx | FIELD_PREP(IRDMA_PFHMC_SDCMD_PMSDWR, 1) |
IRDMA_PFHMC_SDCMD_PMSDPARTSEL;
} }
/** /**
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irdma_invalidate_pf_hmc_pd(struct irdma_sc_dev *dev, u32 sd_idx, irdma_invalidate_pf_hmc_pd(struct irdma_sc_dev *dev, u32 sd_idx,
u32 pd_idx) u32 pd_idx)
{ {
u32 val = LS_32(sd_idx, IRDMA_PFHMC_PDINV_PMSDIDX) | u32 val = FIELD_PREP(IRDMA_PFHMC_PDINV_PMSDIDX, sd_idx) |
LS_32(1, IRDMA_PFHMC_PDINV_PMSDPARTSEL) | FIELD_PREP(IRDMA_PFHMC_PDINV_PMSDPARTSEL, 1) |
LS_32(pd_idx, IRDMA_PFHMC_PDINV_PMPDIDX); FIELD_PREP(IRDMA_PFHMC_PDINV_PMPDIDX, pd_idx);
writel(val, dev->hw_regs[IRDMA_PFHMC_PDINV]); writel(val, dev->hw_regs[IRDMA_PFHMC_PDINV]);
} }
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* @setsd: flag to set or clear sd * @setsd: flag to set or clear sd
*/ */
int int
irdma_hmc_sd_one(struct irdma_sc_dev *dev, u8 hmc_fn_id, u64 pa, u32 sd_idx, irdma_hmc_sd_one(struct irdma_sc_dev *dev, u16 hmc_fn_id, u64 pa, u32 sd_idx,
enum irdma_sd_entry_type type, bool setsd) enum irdma_sd_entry_type type, bool setsd)
{ {
struct irdma_update_sds_info sdinfo; struct irdma_update_sds_info sdinfo;
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&sd_entry->u.pd_table.pd_entry_virt_mem; &sd_entry->u.pd_table.pd_entry_virt_mem;
vmem->size = sizeof(struct irdma_hmc_pd_entry) * 512; vmem->size = sizeof(struct irdma_hmc_pd_entry) * 512;
vmem->va = kzalloc(vmem->size, GFP_ATOMIC); vmem->va = kzalloc(vmem->size, GFP_KERNEL);
if (!vmem->va) { if (!vmem->va) {
irdma_free_dma_mem(hw, &dma_mem); irdma_free_dma_mem(hw, &dma_mem);
return -ENOMEM; return -ENOMEM;
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