drivers/net/ethernet/ibm/ehea/ehea_phyp.c - linux - Git at Google

 /*
  *  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 */
 				       virt_to_abs(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 */
 				 virt_to_abs(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 = virt_to_abs(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 = virt_to_abs(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 = virt_to_abs(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 */
 				       virt_to_abs(rblock),	/* R6 */
 				       0, 0, 0, 0);		/* R7-R12 */
 }
	/*
	* 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 */
	virt_to_abs(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 */
	virt_to_abs(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 = virt_to_abs(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 = virt_to_abs(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 = virt_to_abs(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 */
	virt_to_abs(rblock), /* R6 */
	0, 0, 0, 0); /* R7-R12 */
	}