drivers/net/ethernet/ibm/ehea/ehea_phyp.c

/*
 *  linux/drivers/net/ethernet/ibm/ehea/ehea_phyp.c
 *
 *  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.
 */

#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt

#include "ehea_phyp.h"


static inline u16 get_order_of_qentries(u16 queue_entries)
{
	u8 ld = 1;		/*  logarithmus dualis */
	while (((1U << ld) - 1) < queue_entries)
		ld++;
	return ld - 1;
}

/* Defines for H_CALL H_ALLOC_RESOURCE */
#define H_ALL_RES_TYPE_QP	 1
#define H_ALL_RES_TYPE_CQ	 2
#define H_ALL_RES_TYPE_EQ	 3
#define H_ALL_RES_TYPE_MR	 5
#define H_ALL_RES_TYPE_MW	 6

static long ehea_plpar_hcall_norets(unsigned long opcode,
				    unsigned long arg1,
				    unsigned long arg2,
				    unsigned long arg3,
				    unsigned long arg4,
				    unsigned long arg5,
				    unsigned long arg6,
				    unsigned long arg7)
{
	long ret;
	int i, sleep_msecs;

	for (i = 0; i < 5; i++) {
		ret = plpar_hcall_norets(opcode, arg1, arg2, arg3, arg4,
					 arg5, arg6, arg7);

		if (H_IS_LONG_BUSY(ret)) {
			sleep_msecs = get_longbusy_msecs(ret);
			msleep_interruptible(sleep_msecs);
			continue;
		}

		if (ret < H_SUCCESS)
			pr_err("opcode=%lx ret=%lx"
			       " arg1=%lx arg2=%lx arg3=%lx arg4=%lx"
			       " arg5=%lx arg6=%lx arg7=%lx\n",
			       opcode, ret,
			       arg1, arg2, arg3, arg4, arg5, arg6, arg7);

		return ret;
	}

	return H_BUSY;
}

static long ehea_plpar_hcall9(unsigned long opcode,
			      unsigned long *outs, /* array of 9 outputs */
			      unsigned long arg1,
			      unsigned long arg2,
			      unsigned long arg3,
			      unsigned long arg4,
			      unsigned long arg5,
			      unsigned long arg6,
			      unsigned long arg7,
			      unsigned long arg8,
			      unsigned long arg9)
{
	long ret;
	int i, sleep_msecs;
	u8 cb_cat;

	for (i = 0; i < 5; i++) {
		ret = plpar_hcall9(opcode, outs,
				   arg1, arg2, arg3, arg4, arg5,
				   arg6, arg7, arg8, arg9);

		if (H_IS_LONG_BUSY(ret)) {
			sleep_msecs = get_longbusy_msecs(ret);
			msleep_interruptible(sleep_msecs);
			continue;
		}

		cb_cat = EHEA_BMASK_GET(H_MEHEAPORT_CAT, arg2);

		if ((ret < H_SUCCESS) && !(((ret == H_AUTHORITY)
		    && (opcode == H_MODIFY_HEA_PORT))
		    && (((cb_cat == H_PORT_CB4) && ((arg3 == H_PORT_CB4_JUMBO)
		    || (arg3 == H_PORT_CB4_SPEED))) || ((cb_cat == H_PORT_CB7)
		    && (arg3 == H_PORT_CB7_DUCQPN)))))
			pr_err("opcode=%lx ret=%lx"
			       " arg1=%lx arg2=%lx arg3=%lx arg4=%lx"
			       " arg5=%lx arg6=%lx arg7=%lx arg8=%lx"
			       " arg9=%lx"
			       " out1=%lx out2=%lx out3=%lx out4=%lx"
			       " out5=%lx out6=%lx out7=%lx out8=%lx"
			       " out9=%lx\n",
			       opcode, ret,
			       arg1, arg2, arg3, arg4, arg5,
			       arg6, arg7, arg8, arg9,
			       outs[0], outs[1], outs[2], outs[3], outs[4],
			       outs[5], outs[6], outs[7], outs[8]);
		return ret;
	}

	return H_BUSY;
}

u64 ehea_h_query_ehea_qp(const u64 adapter_handle, const u8 qp_category,
			 const u64 qp_handle, const u64 sel_mask, void *cb_addr)
{
	return ehea_plpar_hcall_norets(H_QUERY_HEA_QP,
				       adapter_handle,		/* R4 */
				       qp_category,		/* R5 */
				       qp_handle,		/* R6 */
				       sel_mask,		/* R7 */
				       __pa(cb_addr),		/* R8 */
				       0, 0);
}

/* input param R5 */
#define H_ALL_RES_QP_EQPO	  EHEA_BMASK_IBM(9, 11)
#define H_ALL_RES_QP_QPP	  EHEA_BMASK_IBM(12, 12)
#define H_ALL_RES_QP_RQR	  EHEA_BMASK_IBM(13, 15)
#define H_ALL_RES_QP_EQEG	  EHEA_BMASK_IBM(16, 16)
#define H_ALL_RES_QP_LL_QP	  EHEA_BMASK_IBM(17, 17)
#define H_ALL_RES_QP_DMA128	  EHEA_BMASK_IBM(19, 19)
#define H_ALL_RES_QP_HSM	  EHEA_BMASK_IBM(20, 21)
#define H_ALL_RES_QP_SIGT	  EHEA_BMASK_IBM(22, 23)
#define H_ALL_RES_QP_TENURE	  EHEA_BMASK_IBM(48, 55)
#define H_ALL_RES_QP_RES_TYP	  EHEA_BMASK_IBM(56, 63)

/* input param R9  */
#define H_ALL_RES_QP_TOKEN	  EHEA_BMASK_IBM(0, 31)
#define H_ALL_RES_QP_PD		  EHEA_BMASK_IBM(32, 63)

/* input param R10 */
#define H_ALL_RES_QP_MAX_SWQE	  EHEA_BMASK_IBM(4, 7)
#define H_ALL_RES_QP_MAX_R1WQE	  EHEA_BMASK_IBM(12, 15)
#define H_ALL_RES_QP_MAX_R2WQE	  EHEA_BMASK_IBM(20, 23)
#define H_ALL_RES_QP_MAX_R3WQE	  EHEA_BMASK_IBM(28, 31)
/* Max Send Scatter Gather Elements */
#define H_ALL_RES_QP_MAX_SSGE	  EHEA_BMASK_IBM(37, 39)
#define H_ALL_RES_QP_MAX_R1SGE	  EHEA_BMASK_IBM(45, 47)
/* Max Receive SG Elements RQ1 */
#define H_ALL_RES_QP_MAX_R2SGE	  EHEA_BMASK_IBM(53, 55)
#define H_ALL_RES_QP_MAX_R3SGE	  EHEA_BMASK_IBM(61, 63)

/* input param R11 */
#define H_ALL_RES_QP_SWQE_IDL	  EHEA_BMASK_IBM(0, 7)
/* max swqe immediate data length */
#define H_ALL_RES_QP_PORT_NUM	  EHEA_BMASK_IBM(48, 63)

/* input param R12 */
#define H_ALL_RES_QP_TH_RQ2	  EHEA_BMASK_IBM(0, 15)
/* Threshold RQ2 */
#define H_ALL_RES_QP_TH_RQ3	  EHEA_BMASK_IBM(16, 31)
/* Threshold RQ3 */

/* output param R6 */
#define H_ALL_RES_QP_ACT_SWQE	  EHEA_BMASK_IBM(0, 15)
#define H_ALL_RES_QP_ACT_R1WQE	  EHEA_BMASK_IBM(16, 31)
#define H_ALL_RES_QP_ACT_R2WQE	  EHEA_BMASK_IBM(32, 47)
#define H_ALL_RES_QP_ACT_R3WQE	  EHEA_BMASK_IBM(48, 63)

/* output param, R7 */
#define H_ALL_RES_QP_ACT_SSGE	  EHEA_BMASK_IBM(0, 7)
#define H_ALL_RES_QP_ACT_R1SGE	  EHEA_BMASK_IBM(8, 15)
#define H_ALL_RES_QP_ACT_R2SGE	  EHEA_BMASK_IBM(16, 23)
#define H_ALL_RES_QP_ACT_R3SGE	  EHEA_BMASK_IBM(24, 31)
#define H_ALL_RES_QP_ACT_SWQE_IDL EHEA_BMASK_IBM(32, 39)

/* output param R8,R9 */
#define H_ALL_RES_QP_SIZE_SQ	  EHEA_BMASK_IBM(0, 31)
#define H_ALL_RES_QP_SIZE_RQ1	  EHEA_BMASK_IBM(32, 63)
#define H_ALL_RES_QP_SIZE_RQ2	  EHEA_BMASK_IBM(0, 31)
#define H_ALL_RES_QP_SIZE_RQ3	  EHEA_BMASK_IBM(32, 63)

/* output param R11,R12 */
#define H_ALL_RES_QP_LIOBN_SQ	  EHEA_BMASK_IBM(0, 31)
#define H_ALL_RES_QP_LIOBN_RQ1	  EHEA_BMASK_IBM(32, 63)
#define H_ALL_RES_QP_LIOBN_RQ2	  EHEA_BMASK_IBM(0, 31)
#define H_ALL_RES_QP_LIOBN_RQ3	  EHEA_BMASK_IBM(32, 63)

u64 ehea_h_alloc_resource_qp(const u64 adapter_handle,
			     struct ehea_qp_init_attr *init_attr, const u32 pd,
			     u64 *qp_handle, struct h_epas *h_epas)
{
	u64 hret;
	unsigned long outs[PLPAR_HCALL9_BUFSIZE];

	u64 allocate_controls =
	    EHEA_BMASK_SET(H_ALL_RES_QP_EQPO, init_attr->low_lat_rq1 ? 1 : 0)
	    | EHEA_BMASK_SET(H_ALL_RES_QP_QPP, 0)
	    | EHEA_BMASK_SET(H_ALL_RES_QP_RQR, 6)	/* rq1 & rq2 & rq3 */
	    | EHEA_BMASK_SET(H_ALL_RES_QP_EQEG, 0)	/* EQE gen. disabled */
	    | EHEA_BMASK_SET(H_ALL_RES_QP_LL_QP, init_attr->low_lat_rq1)
	    | EHEA_BMASK_SET(H_ALL_RES_QP_DMA128, 0)
	    | EHEA_BMASK_SET(H_ALL_RES_QP_HSM, 0)
	    | EHEA_BMASK_SET(H_ALL_RES_QP_SIGT, init_attr->signalingtype)
	    | EHEA_BMASK_SET(H_ALL_RES_QP_RES_TYP, H_ALL_RES_TYPE_QP);

	u64 r9_reg = EHEA_BMASK_SET(H_ALL_RES_QP_PD, pd)
	    | EHEA_BMASK_SET(H_ALL_RES_QP_TOKEN, init_attr->qp_token);

	u64 max_r10_reg =
	    EHEA_BMASK_SET(H_ALL_RES_QP_MAX_SWQE,
			   get_order_of_qentries(init_attr->max_nr_send_wqes))
	    | EHEA_BMASK_SET(H_ALL_RES_QP_MAX_R1WQE,
			     get_order_of_qentries(init_attr->max_nr_rwqes_rq1))
	    | EHEA_BMASK_SET(H_ALL_RES_QP_MAX_R2WQE,
			     get_order_of_qentries(init_attr->max_nr_rwqes_rq2))
	    | EHEA_BMASK_SET(H_ALL_RES_QP_MAX_R3WQE,
			     get_order_of_qentries(init_attr->max_nr_rwqes_rq3))
	    | EHEA_BMASK_SET(H_ALL_RES_QP_MAX_SSGE, init_attr->wqe_size_enc_sq)
	    | EHEA_BMASK_SET(H_ALL_RES_QP_MAX_R1SGE,
			     init_attr->wqe_size_enc_rq1)
	    | EHEA_BMASK_SET(H_ALL_RES_QP_MAX_R2SGE,
			     init_attr->wqe_size_enc_rq2)
	    | EHEA_BMASK_SET(H_ALL_RES_QP_MAX_R3SGE,
			     init_attr->wqe_size_enc_rq3);

	u64 r11_in =
	    EHEA_BMASK_SET(H_ALL_RES_QP_SWQE_IDL, init_attr->swqe_imm_data_len)
	    | EHEA_BMASK_SET(H_ALL_RES_QP_PORT_NUM, init_attr->port_nr);
	u64 threshold =
	    EHEA_BMASK_SET(H_ALL_RES_QP_TH_RQ2, init_attr->rq2_threshold)
	    | EHEA_BMASK_SET(H_ALL_RES_QP_TH_RQ3, init_attr->rq3_threshold);

	hret = ehea_plpar_hcall9(H_ALLOC_HEA_RESOURCE,
				 outs,
				 adapter_handle,		/* R4 */
				 allocate_controls,		/* R5 */
				 init_attr->send_cq_handle,	/* R6 */
				 init_attr->recv_cq_handle,	/* R7 */
				 init_attr->aff_eq_handle,	/* R8 */
				 r9_reg,			/* R9 */
				 max_r10_reg,			/* R10 */
				 r11_in,			/* R11 */
				 threshold);			/* R12 */

	*qp_handle = outs[0];
	init_attr->qp_nr = (u32)outs[1];

	init_attr->act_nr_send_wqes =
	    (u16)EHEA_BMASK_GET(H_ALL_RES_QP_ACT_SWQE, outs[2]);
	init_attr->act_nr_rwqes_rq1 =
	    (u16)EHEA_BMASK_GET(H_ALL_RES_QP_ACT_R1WQE, outs[2]);
	init_attr->act_nr_rwqes_rq2 =
	    (u16)EHEA_BMASK_GET(H_ALL_RES_QP_ACT_R2WQE, outs[2]);
	init_attr->act_nr_rwqes_rq3 =
	    (u16)EHEA_BMASK_GET(H_ALL_RES_QP_ACT_R3WQE, outs[2]);

	init_attr->act_wqe_size_enc_sq = init_attr->wqe_size_enc_sq;
	init_attr->act_wqe_size_enc_rq1 = init_attr->wqe_size_enc_rq1;
	init_attr->act_wqe_size_enc_rq2 = init_attr->wqe_size_enc_rq2;
	init_attr->act_wqe_size_enc_rq3 = init_attr->wqe_size_enc_rq3;

	init_attr->nr_sq_pages =
	    (u32)EHEA_BMASK_GET(H_ALL_RES_QP_SIZE_SQ, outs[4]);
	init_attr->nr_rq1_pages =
	    (u32)EHEA_BMASK_GET(H_ALL_RES_QP_SIZE_RQ1, outs[4]);
	init_attr->nr_rq2_pages =
	    (u32)EHEA_BMASK_GET(H_ALL_RES_QP_SIZE_RQ2, outs[5]);
	init_attr->nr_rq3_pages =
	    (u32)EHEA_BMASK_GET(H_ALL_RES_QP_SIZE_RQ3, outs[5]);

	init_attr->liobn_sq =
	    (u32)EHEA_BMASK_GET(H_ALL_RES_QP_LIOBN_SQ, outs[7]);
	init_attr->liobn_rq1 =
	    (u32)EHEA_BMASK_GET(H_ALL_RES_QP_LIOBN_RQ1, outs[7]);
	init_attr->liobn_rq2 =
	    (u32)EHEA_BMASK_GET(H_ALL_RES_QP_LIOBN_RQ2, outs[8]);
	init_attr->liobn_rq3 =
	    (u32)EHEA_BMASK_GET(H_ALL_RES_QP_LIOBN_RQ3, outs[8]);

	if (!hret)
		hcp_epas_ctor(h_epas, outs[6], outs[6]);

	return hret;
}

u64 ehea_h_alloc_resource_cq(const u64 adapter_handle,
			     struct ehea_cq_attr *cq_attr,
			     u64 *cq_handle, struct h_epas *epas)
{
	u64 hret;
	unsigned long outs[PLPAR_HCALL9_BUFSIZE];

	hret = ehea_plpar_hcall9(H_ALLOC_HEA_RESOURCE,
				 outs,
				 adapter_handle,		/* R4 */
				 H_ALL_RES_TYPE_CQ,		/* R5 */
				 cq_attr->eq_handle,		/* R6 */
				 cq_attr->cq_token,		/* R7 */
				 cq_attr->max_nr_of_cqes,	/* R8 */
				 0, 0, 0, 0);			/* R9-R12 */

	*cq_handle = outs[0];
	cq_attr->act_nr_of_cqes = outs[3];
	cq_attr->nr_pages = outs[4];

	if (!hret)
		hcp_epas_ctor(epas, outs[5], outs[6]);

	return hret;
}

/* Defines for H_CALL H_ALLOC_RESOURCE */
#define H_ALL_RES_TYPE_QP	 1
#define H_ALL_RES_TYPE_CQ	 2
#define H_ALL_RES_TYPE_EQ	 3
#define H_ALL_RES_TYPE_MR	 5
#define H_ALL_RES_TYPE_MW	 6

/*  input param R5 */
#define H_ALL_RES_EQ_NEQ	     EHEA_BMASK_IBM(0, 0)
#define H_ALL_RES_EQ_NON_NEQ_ISN     EHEA_BMASK_IBM(6, 7)
#define H_ALL_RES_EQ_INH_EQE_GEN     EHEA_BMASK_IBM(16, 16)
#define H_ALL_RES_EQ_RES_TYPE	     EHEA_BMASK_IBM(56, 63)
/*  input param R6 */
#define H_ALL_RES_EQ_MAX_EQE	     EHEA_BMASK_IBM(32, 63)

/*  output param R6 */
#define H_ALL_RES_EQ_LIOBN	     EHEA_BMASK_IBM(32, 63)

/*  output param R7 */
#define H_ALL_RES_EQ_ACT_EQE	     EHEA_BMASK_IBM(32, 63)

/*  output param R8 */
#define H_ALL_RES_EQ_ACT_PS	     EHEA_BMASK_IBM(32, 63)

/*  output param R9 */
#define H_ALL_RES_EQ_ACT_EQ_IST_C    EHEA_BMASK_IBM(30, 31)
#define H_ALL_RES_EQ_ACT_EQ_IST_1    EHEA_BMASK_IBM(40, 63)

/*  output param R10 */
#define H_ALL_RES_EQ_ACT_EQ_IST_2    EHEA_BMASK_IBM(40, 63)

/*  output param R11 */
#define H_ALL_RES_EQ_ACT_EQ_IST_3    EHEA_BMASK_IBM(40, 63)

/*  output param R12 */
#define H_ALL_RES_EQ_ACT_EQ_IST_4    EHEA_BMASK_IBM(40, 63)

u64 ehea_h_alloc_resource_eq(const u64 adapter_handle,
			     struct ehea_eq_attr *eq_attr, u64 *eq_handle)
{
	u64 hret, allocate_controls;
	unsigned long outs[PLPAR_HCALL9_BUFSIZE];

	/* resource type */
	allocate_controls =
	    EHEA_BMASK_SET(H_ALL_RES_EQ_RES_TYPE, H_ALL_RES_TYPE_EQ)
	    | EHEA_BMASK_SET(H_ALL_RES_EQ_NEQ, eq_attr->type ? 1 : 0)
	    | EHEA_BMASK_SET(H_ALL_RES_EQ_INH_EQE_GEN, !eq_attr->eqe_gen)
	    | EHEA_BMASK_SET(H_ALL_RES_EQ_NON_NEQ_ISN, 1);

	hret = ehea_plpar_hcall9(H_ALLOC_HEA_RESOURCE,
				 outs,
				 adapter_handle,		/* R4 */
				 allocate_controls,		/* R5 */
				 eq_attr->max_nr_of_eqes,	/* R6 */
				 0, 0, 0, 0, 0, 0);		/* R7-R10 */

	*eq_handle = outs[0];
	eq_attr->act_nr_of_eqes = outs[3];
	eq_attr->nr_pages = outs[4];
	eq_attr->ist1 = outs[5];
	eq_attr->ist2 = outs[6];
	eq_attr->ist3 = outs[7];
	eq_attr->ist4 = outs[8];

	return hret;
}

u64 ehea_h_modify_ehea_qp(const u64 adapter_handle, const u8 cat,
			  const u64 qp_handle, const u64 sel_mask,
			  void *cb_addr, u64 *inv_attr_id, u64 *proc_mask,
			  u16 *out_swr, u16 *out_rwr)
{
	u64 hret;
	unsigned long outs[PLPAR_HCALL9_BUFSIZE];

	hret = ehea_plpar_hcall9(H_MODIFY_HEA_QP,
				 outs,
				 adapter_handle,		/* R4 */
				 (u64) cat,			/* R5 */
				 qp_handle,			/* R6 */
				 sel_mask,			/* R7 */
				 __pa(cb_addr),			/* R8 */
				 0, 0, 0, 0);			/* R9-R12 */

	*inv_attr_id = outs[0];
	*out_swr = outs[3];
	*out_rwr = outs[4];
	*proc_mask = outs[5];

	return hret;
}

u64 ehea_h_register_rpage(const u64 adapter_handle, const u8 pagesize,
			  const u8 queue_type, const u64 resource_handle,
			  const u64 log_pageaddr, u64 count)
{
	u64  reg_control;

	reg_control = EHEA_BMASK_SET(H_REG_RPAGE_PAGE_SIZE, pagesize)
		    | EHEA_BMASK_SET(H_REG_RPAGE_QT, queue_type);

	return ehea_plpar_hcall_norets(H_REGISTER_HEA_RPAGES,
				       adapter_handle,		/* R4 */
				       reg_control,		/* R5 */
				       resource_handle,		/* R6 */
				       log_pageaddr,		/* R7 */
				       count,			/* R8 */
				       0, 0);			/* R9-R10 */
}

u64 ehea_h_register_smr(const u64 adapter_handle, const u64 orig_mr_handle,
			const u64 vaddr_in, const u32 access_ctrl, const u32 pd,
			struct ehea_mr *mr)
{
	u64 hret;
	unsigned long outs[PLPAR_HCALL9_BUFSIZE];

	hret = ehea_plpar_hcall9(H_REGISTER_SMR,
				 outs,
				 adapter_handle	      ,		 /* R4 */
				 orig_mr_handle,		 /* R5 */
				 vaddr_in,			 /* R6 */
				 (((u64)access_ctrl) << 32ULL),	 /* R7 */
				 pd,				 /* R8 */
				 0, 0, 0, 0);			 /* R9-R12 */

	mr->handle = outs[0];
	mr->lkey = (u32)outs[2];

	return hret;
}

u64 ehea_h_disable_and_get_hea(const u64 adapter_handle, const u64 qp_handle)
{
	unsigned long outs[PLPAR_HCALL9_BUFSIZE];

	return ehea_plpar_hcall9(H_DISABLE_AND_GET_HEA,
				 outs,
				 adapter_handle,		/* R4 */
				 H_DISABLE_GET_EHEA_WQE_P,	/* R5 */
				 qp_handle,			/* R6 */
				 0, 0, 0, 0, 0, 0);		/* R7-R12 */
}

u64 ehea_h_free_resource(const u64 adapter_handle, const u64 res_handle,
			 u64 force_bit)
{
	return ehea_plpar_hcall_norets(H_FREE_RESOURCE,
				       adapter_handle,	   /* R4 */
				       res_handle,	   /* R5 */
				       force_bit,
				       0, 0, 0, 0);	   /* R7-R10 */
}

u64 ehea_h_alloc_resource_mr(const u64 adapter_handle, const u64 vaddr,
			     const u64 length, const u32 access_ctrl,
			     const u32 pd, u64 *mr_handle, u32 *lkey)
{
	u64 hret;
	unsigned long outs[PLPAR_HCALL9_BUFSIZE];

	hret = ehea_plpar_hcall9(H_ALLOC_HEA_RESOURCE,
				 outs,
				 adapter_handle,		   /* R4 */
				 5,				   /* R5 */
				 vaddr,				   /* R6 */
				 length,			   /* R7 */
				 (((u64) access_ctrl) << 32ULL),   /* R8 */
				 pd,				   /* R9 */
				 0, 0, 0);			   /* R10-R12 */

	*mr_handle = outs[0];
	*lkey = (u32)outs[2];
	return hret;
}

u64 ehea_h_register_rpage_mr(const u64 adapter_handle, const u64 mr_handle,
			     const u8 pagesize, const u8 queue_type,
			     const u64 log_pageaddr, const u64 count)
{
	if ((count > 1) && (log_pageaddr & ~PAGE_MASK)) {
		pr_err("not on pageboundary\n");
		return H_PARAMETER;
	}

	return ehea_h_register_rpage(adapter_handle, pagesize,
				     queue_type, mr_handle,
				     log_pageaddr, count);
}

u64 ehea_h_query_ehea(const u64 adapter_handle, void *cb_addr)
{
	u64 hret, cb_logaddr;

	cb_logaddr = __pa(cb_addr);

	hret = ehea_plpar_hcall_norets(H_QUERY_HEA,
				       adapter_handle,		/* R4 */
				       cb_logaddr,		/* R5 */
				       0, 0, 0, 0, 0);		/* R6-R10 */
#ifdef DEBUG
	ehea_dump(cb_addr, sizeof(struct hcp_query_ehea), "hcp_query_ehea");
#endif
	return hret;
}

u64 ehea_h_query_ehea_port(const u64 adapter_handle, const u16 port_num,
			   const u8 cb_cat, const u64 select_mask,
			   void *cb_addr)
{
	u64 port_info;
	u64 cb_logaddr = __pa(cb_addr);
	u64 arr_index = 0;

	port_info = EHEA_BMASK_SET(H_MEHEAPORT_CAT, cb_cat)
		  | EHEA_BMASK_SET(H_MEHEAPORT_PN, port_num);

	return ehea_plpar_hcall_norets(H_QUERY_HEA_PORT,
				       adapter_handle,		/* R4 */
				       port_info,		/* R5 */
				       select_mask,		/* R6 */
				       arr_index,		/* R7 */
				       cb_logaddr,		/* R8 */
				       0, 0);			/* R9-R10 */
}

u64 ehea_h_modify_ehea_port(const u64 adapter_handle, const u16 port_num,
			    const u8 cb_cat, const u64 select_mask,
			    void *cb_addr)
{
	unsigned long outs[PLPAR_HCALL9_BUFSIZE];
	u64 port_info;
	u64 arr_index = 0;
	u64 cb_logaddr = __pa(cb_addr);

	port_info = EHEA_BMASK_SET(H_MEHEAPORT_CAT, cb_cat)
		  | EHEA_BMASK_SET(H_MEHEAPORT_PN, port_num);
#ifdef DEBUG
	ehea_dump(cb_addr, sizeof(struct hcp_ehea_port_cb0), "Before HCALL");
#endif
	return ehea_plpar_hcall9(H_MODIFY_HEA_PORT,
				 outs,
				 adapter_handle,		/* R4 */
				 port_info,			/* R5 */
				 select_mask,			/* R6 */
				 arr_index,			/* R7 */
				 cb_logaddr,			/* R8 */
				 0, 0, 0, 0);			/* R9-R12 */
}

u64 ehea_h_reg_dereg_bcmc(const u64 adapter_handle, const u16 port_num,
			  const u8 reg_type, const u64 mc_mac_addr,
			  const u16 vlan_id, const u32 hcall_id)
{
	u64 r5_port_num, r6_reg_type, r7_mc_mac_addr, r8_vlan_id;
	u64 mac_addr = mc_mac_addr >> 16;

	r5_port_num = EHEA_BMASK_SET(H_REGBCMC_PN, port_num);
	r6_reg_type = EHEA_BMASK_SET(H_REGBCMC_REGTYPE, reg_type);
	r7_mc_mac_addr = EHEA_BMASK_SET(H_REGBCMC_MACADDR, mac_addr);
	r8_vlan_id = EHEA_BMASK_SET(H_REGBCMC_VLANID, vlan_id);

	return ehea_plpar_hcall_norets(hcall_id,
				       adapter_handle,		/* R4 */
				       r5_port_num,		/* R5 */
				       r6_reg_type,		/* R6 */
				       r7_mc_mac_addr,		/* R7 */
				       r8_vlan_id,		/* R8 */
				       0, 0);			/* R9-R12 */
}

u64 ehea_h_reset_events(const u64 adapter_handle, const u64 neq_handle,
			const u64 event_mask)
{
	return ehea_plpar_hcall_norets(H_RESET_EVENTS,
				       adapter_handle,		/* R4 */
				       neq_handle,		/* R5 */
				       event_mask,		/* R6 */
				       0, 0, 0, 0);		/* R7-R12 */
}

u64 ehea_h_error_data(const u64 adapter_handle, const u64 ressource_handle,
		      void *rblock)
{
	return ehea_plpar_hcall_norets(H_ERROR_DATA,
				       adapter_handle,		/* R4 */
				       ressource_handle,	/* R5 */
				       __pa(rblock),		/* R6 */
				       0, 0, 0, 0);		/* R7-R12 */
}