| /* |
| * linux/drivers/net/ehea/ehea_hw.h |
| * |
| * eHEA ethernet device driver for IBM eServer System p |
| * |
| * (C) Copyright IBM Corp. 2006 |
| * |
| * Authors: |
| * Christoph Raisch <raisch@de.ibm.com> |
| * Jan-Bernd Themann <themann@de.ibm.com> |
| * Thomas Klein <tklein@de.ibm.com> |
| * |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License as published by |
| * the Free Software Foundation; either version 2, or (at your option) |
| * any later version. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this program; if not, write to the Free Software |
| * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
| */ |
| |
| #ifndef __EHEA_HW_H__ |
| #define __EHEA_HW_H__ |
| |
| #define QPX_SQA_VALUE EHEA_BMASK_IBM(48, 63) |
| #define QPX_RQ1A_VALUE EHEA_BMASK_IBM(48, 63) |
| #define QPX_RQ2A_VALUE EHEA_BMASK_IBM(48, 63) |
| #define QPX_RQ3A_VALUE EHEA_BMASK_IBM(48, 63) |
| |
| #define QPTEMM_OFFSET(x) offsetof(struct ehea_qptemm, x) |
| |
| struct ehea_qptemm { |
| u64 qpx_hcr; |
| u64 qpx_c; |
| u64 qpx_herr; |
| u64 qpx_aer; |
| u64 qpx_sqa; |
| u64 qpx_sqc; |
| u64 qpx_rq1a; |
| u64 qpx_rq1c; |
| u64 qpx_st; |
| u64 qpx_aerr; |
| u64 qpx_tenure; |
| u64 qpx_reserved1[(0x098 - 0x058) / 8]; |
| u64 qpx_portp; |
| u64 qpx_reserved2[(0x100 - 0x0A0) / 8]; |
| u64 qpx_t; |
| u64 qpx_sqhp; |
| u64 qpx_sqptp; |
| u64 qpx_reserved3[(0x140 - 0x118) / 8]; |
| u64 qpx_sqwsize; |
| u64 qpx_reserved4[(0x170 - 0x148) / 8]; |
| u64 qpx_sqsize; |
| u64 qpx_reserved5[(0x1B0 - 0x178) / 8]; |
| u64 qpx_sigt; |
| u64 qpx_wqecnt; |
| u64 qpx_rq1hp; |
| u64 qpx_rq1ptp; |
| u64 qpx_rq1size; |
| u64 qpx_reserved6[(0x220 - 0x1D8) / 8]; |
| u64 qpx_rq1wsize; |
| u64 qpx_reserved7[(0x240 - 0x228) / 8]; |
| u64 qpx_pd; |
| u64 qpx_scqn; |
| u64 qpx_rcqn; |
| u64 qpx_aeqn; |
| u64 reserved49; |
| u64 qpx_ram; |
| u64 qpx_reserved8[(0x300 - 0x270) / 8]; |
| u64 qpx_rq2a; |
| u64 qpx_rq2c; |
| u64 qpx_rq2hp; |
| u64 qpx_rq2ptp; |
| u64 qpx_rq2size; |
| u64 qpx_rq2wsize; |
| u64 qpx_rq2th; |
| u64 qpx_rq3a; |
| u64 qpx_rq3c; |
| u64 qpx_rq3hp; |
| u64 qpx_rq3ptp; |
| u64 qpx_rq3size; |
| u64 qpx_rq3wsize; |
| u64 qpx_rq3th; |
| u64 qpx_lpn; |
| u64 qpx_reserved9[(0x400 - 0x378) / 8]; |
| u64 reserved_ext[(0x500 - 0x400) / 8]; |
| u64 reserved2[(0x1000 - 0x500) / 8]; |
| }; |
| |
| #define MRx_HCR_LPARID_VALID EHEA_BMASK_IBM(0, 0) |
| |
| #define MRMWMM_OFFSET(x) offsetof(struct ehea_mrmwmm, x) |
| |
| struct ehea_mrmwmm { |
| u64 mrx_hcr; |
| u64 mrx_c; |
| u64 mrx_herr; |
| u64 mrx_aer; |
| u64 mrx_pp; |
| u64 reserved1; |
| u64 reserved2; |
| u64 reserved3; |
| u64 reserved4[(0x200 - 0x40) / 8]; |
| u64 mrx_ctl[64]; |
| }; |
| |
| #define QPEDMM_OFFSET(x) offsetof(struct ehea_qpedmm, x) |
| |
| struct ehea_qpedmm { |
| |
| u64 reserved0[(0x400) / 8]; |
| u64 qpedx_phh; |
| u64 qpedx_ppsgp; |
| u64 qpedx_ppsgu; |
| u64 qpedx_ppdgp; |
| u64 qpedx_ppdgu; |
| u64 qpedx_aph; |
| u64 qpedx_apsgp; |
| u64 qpedx_apsgu; |
| u64 qpedx_apdgp; |
| u64 qpedx_apdgu; |
| u64 qpedx_apav; |
| u64 qpedx_apsav; |
| u64 qpedx_hcr; |
| u64 reserved1[4]; |
| u64 qpedx_rrl0; |
| u64 qpedx_rrrkey0; |
| u64 qpedx_rrva0; |
| u64 reserved2; |
| u64 qpedx_rrl1; |
| u64 qpedx_rrrkey1; |
| u64 qpedx_rrva1; |
| u64 reserved3; |
| u64 qpedx_rrl2; |
| u64 qpedx_rrrkey2; |
| u64 qpedx_rrva2; |
| u64 reserved4; |
| u64 qpedx_rrl3; |
| u64 qpedx_rrrkey3; |
| u64 qpedx_rrva3; |
| }; |
| |
| #define CQX_FECADDER EHEA_BMASK_IBM(32, 63) |
| #define CQX_FEC_CQE_CNT EHEA_BMASK_IBM(32, 63) |
| #define CQX_N1_GENERATE_COMP_EVENT EHEA_BMASK_IBM(0, 0) |
| #define CQX_EP_EVENT_PENDING EHEA_BMASK_IBM(0, 0) |
| |
| #define CQTEMM_OFFSET(x) offsetof(struct ehea_cqtemm, x) |
| |
| struct ehea_cqtemm { |
| u64 cqx_hcr; |
| u64 cqx_c; |
| u64 cqx_herr; |
| u64 cqx_aer; |
| u64 cqx_ptp; |
| u64 cqx_tp; |
| u64 cqx_fec; |
| u64 cqx_feca; |
| u64 cqx_ep; |
| u64 cqx_eq; |
| u64 reserved1; |
| u64 cqx_n0; |
| u64 cqx_n1; |
| u64 reserved2[(0x1000 - 0x60) / 8]; |
| }; |
| |
| #define EQTEMM_OFFSET(x) offsetof(struct ehea_eqtemm, x) |
| |
| struct ehea_eqtemm { |
| u64 eqx_hcr; |
| u64 eqx_c; |
| u64 eqx_herr; |
| u64 eqx_aer; |
| u64 eqx_ptp; |
| u64 eqx_tp; |
| u64 eqx_ssba; |
| u64 eqx_psba; |
| u64 eqx_cec; |
| u64 eqx_meql; |
| u64 eqx_xisbi; |
| u64 eqx_xisc; |
| u64 eqx_it; |
| }; |
| |
| /* |
| * These access functions will be changed when the dissuccsion about |
| * the new access methods for POWER has settled. |
| */ |
| |
| static inline u64 epa_load(struct h_epa epa, u32 offset) |
| { |
| return __raw_readq((void __iomem *)(epa.addr + offset)); |
| } |
| |
| static inline void epa_store(struct h_epa epa, u32 offset, u64 value) |
| { |
| __raw_writeq(value, (void __iomem *)(epa.addr + offset)); |
| epa_load(epa, offset); /* synchronize explicitly to eHEA */ |
| } |
| |
| static inline void epa_store_acc(struct h_epa epa, u32 offset, u64 value) |
| { |
| __raw_writeq(value, (void __iomem *)(epa.addr + offset)); |
| } |
| |
| #define epa_store_eq(epa, offset, value)\ |
| epa_store(epa, EQTEMM_OFFSET(offset), value) |
| #define epa_load_eq(epa, offset)\ |
| epa_load(epa, EQTEMM_OFFSET(offset)) |
| |
| #define epa_store_cq(epa, offset, value)\ |
| epa_store(epa, CQTEMM_OFFSET(offset), value) |
| #define epa_load_cq(epa, offset)\ |
| epa_load(epa, CQTEMM_OFFSET(offset)) |
| |
| #define epa_store_qp(epa, offset, value)\ |
| epa_store(epa, QPTEMM_OFFSET(offset), value) |
| #define epa_load_qp(epa, offset)\ |
| epa_load(epa, QPTEMM_OFFSET(offset)) |
| |
| #define epa_store_qped(epa, offset, value)\ |
| epa_store(epa, QPEDMM_OFFSET(offset), value) |
| #define epa_load_qped(epa, offset)\ |
| epa_load(epa, QPEDMM_OFFSET(offset)) |
| |
| #define epa_store_mrmw(epa, offset, value)\ |
| epa_store(epa, MRMWMM_OFFSET(offset), value) |
| #define epa_load_mrmw(epa, offset)\ |
| epa_load(epa, MRMWMM_OFFSET(offset)) |
| |
| #define epa_store_base(epa, offset, value)\ |
| epa_store(epa, HCAGR_OFFSET(offset), value) |
| #define epa_load_base(epa, offset)\ |
| epa_load(epa, HCAGR_OFFSET(offset)) |
| |
| static inline void ehea_update_sqa(struct ehea_qp *qp, u16 nr_wqes) |
| { |
| struct h_epa epa = qp->epas.kernel; |
| epa_store_acc(epa, QPTEMM_OFFSET(qpx_sqa), |
| EHEA_BMASK_SET(QPX_SQA_VALUE, nr_wqes)); |
| } |
| |
| static inline void ehea_update_rq3a(struct ehea_qp *qp, u16 nr_wqes) |
| { |
| struct h_epa epa = qp->epas.kernel; |
| epa_store_acc(epa, QPTEMM_OFFSET(qpx_rq3a), |
| EHEA_BMASK_SET(QPX_RQ1A_VALUE, nr_wqes)); |
| } |
| |
| static inline void ehea_update_rq2a(struct ehea_qp *qp, u16 nr_wqes) |
| { |
| struct h_epa epa = qp->epas.kernel; |
| epa_store_acc(epa, QPTEMM_OFFSET(qpx_rq2a), |
| EHEA_BMASK_SET(QPX_RQ2A_VALUE, nr_wqes)); |
| } |
| |
| static inline void ehea_update_rq1a(struct ehea_qp *qp, u16 nr_wqes) |
| { |
| struct h_epa epa = qp->epas.kernel; |
| epa_store_acc(epa, QPTEMM_OFFSET(qpx_rq1a), |
| EHEA_BMASK_SET(QPX_RQ3A_VALUE, nr_wqes)); |
| } |
| |
| static inline void ehea_update_feca(struct ehea_cq *cq, u32 nr_cqes) |
| { |
| struct h_epa epa = cq->epas.kernel; |
| epa_store_acc(epa, CQTEMM_OFFSET(cqx_feca), |
| EHEA_BMASK_SET(CQX_FECADDER, nr_cqes)); |
| } |
| |
| static inline void ehea_reset_cq_n1(struct ehea_cq *cq) |
| { |
| struct h_epa epa = cq->epas.kernel; |
| epa_store_cq(epa, cqx_n1, |
| EHEA_BMASK_SET(CQX_N1_GENERATE_COMP_EVENT, 1)); |
| } |
| |
| static inline void ehea_reset_cq_ep(struct ehea_cq *my_cq) |
| { |
| struct h_epa epa = my_cq->epas.kernel; |
| epa_store_acc(epa, CQTEMM_OFFSET(cqx_ep), |
| EHEA_BMASK_SET(CQX_EP_EVENT_PENDING, 0)); |
| } |
| |
| #endif /* __EHEA_HW_H__ */ |