drivers/net/ethernet/ibm/ehea/ehea_hw.h - linux/torvalds/linux - Git at Google

 /* SPDX-License-Identifier: GPL-2.0-or-later */
 /*
  *  linux/drivers/net/ethernet/ibm/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>
  */

 #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_cq(epa, offset, value)\
 	epa_store(epa, CQTEMM_OFFSET(offset), value)
 #define epa_load_cq(epa, offset)\
 	epa_load(epa, CQTEMM_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__ */
	/* SPDX-License-Identifier: GPL-2.0-or-later */
	/*
	* linux/drivers/net/ethernet/ibm/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>
	*/

	#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_cq(epa, offset, value)\
	epa_store(epa, CQTEMM_OFFSET(offset), value)
	#define epa_load_cq(epa, offset)\
	epa_load(epa, CQTEMM_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__ */