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ehea: pHYP interface

PATCH In review Jan-Bernd Themann 5 participants 5 messages Aug 18, 2006 – Aug 21, 2006

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PATCH 2/7 ehea: pHYP interface

 drivers/net/ehea/ehea_hcall.h |   51 ++
 drivers/net/ehea/ehea_phyp.c  |  884 ++++++++++++++++++++++++++++++++++++++++++
 drivers/net/ehea/ehea_phyp.h  |  523 ++++++++++++++++++++++++
 3 files changed, 1458 insertions(+)
drivers/net/ehea/ehea_phyp.c +884 -0
@@ -0,0 +1,884 @@
+/*
+ *  linux/drivers/net/ehea/ehea_phyp.c
+ *
+ *  eHEA ethernet device driver for IBM eServer System p
+ *
+ *  (C) Copyright IBM Corp. 2006
+ *
+ *  Authors:
+ *       Christoph Raisch <[email protected]>
+ *       Jan-Bernd Themann <[email protected]>
+ *       Thomas Klein <[email protected]>
+ *
+ *
+ * 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.
+ */
+
+#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
+
+u64 ehea_h_query_ehea_qp(const u64 hcp_adapter_handle,
+			 const u8 qp_category,
+			 const u64 qp_handle, const u64 sel_mask, void *cb_addr)
+{
+	u64 hret = H_ADAPTER_PARM;
+	u64 dummy = 0;
+
+	if ((((u64)cb_addr) & (PAGE_SIZE - 1)) != 0)
+		panic("query_ehea_qp: cb_addr not on page boundary!!!");
+
+	hret = ehea_hcall_9arg_9ret(H_QUERY_HEA_QP,
+				    hcp_adapter_handle,	        /* R4 */
+				    qp_category,	        /* R5 */
+				    qp_handle,	                /* R6 */
+				    sel_mask,	                /* R7 */
+				    virt_to_abs(cb_addr),	/* R8 */
+				    0, 0, 0, 0,	                /* R9-R12 */
+				    &dummy,                     /* R4 */
+				    &dummy,                     /* R5 */
+				    &dummy,	                /* R6 */
+				    &dummy,	                /* R7 */
+				    &dummy,	                /* R8 */
+				    &dummy,	                /* R9 */
+				    &dummy,	                /* R10 */
+				    &dummy,	                /* R11 */
+				    &dummy);	                /* R12 */
+	return hret;
+}
+
+/* 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 *ehea_qp,
+			     struct ehea_qp_init_attr *init_attr,
+			     const u32 pd,
+			     u64 *qp_handle, struct h_epas *h_epas)
+{
+	u64 hret = H_ADAPTER_PARM;
+
+	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);
+
+	u64 r5_out = 0;
+	u64 r6_out = 0;
+	u64 r7_out = 0;
+	u64 r8_out = 0;
+	u64 r9_out = 0;
+	u64 g_la_user_out = 0;
+	u64 r11_out = 0;
+	u64 r12_out = 0;
+
+	hret = ehea_hcall_9arg_9ret(H_ALLOC_HEA_RESOURCE,
+				    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,			/* R4 */
+				    &r5_out,			/* R5 */
+				    &r6_out,			/* R6 */
+				    &r7_out,			/* R7 */
+				    &r8_out,			/* R8 */
+				    &r9_out,			/* R9 */
+				    &g_la_user_out,		/* R10 */
+				    &r11_out,			/* R11 */
+				    &r12_out);			/* R12 */
+
+	init_attr->qp_nr = (u32)r5_out;
+
+	init_attr->act_nr_send_wqes =
+	    (u16)EHEA_BMASK_GET(H_ALL_RES_QP_ACT_SWQE, r6_out);
+	init_attr->act_nr_rwqes_rq1 =
+	    (u16)EHEA_BMASK_GET(H_ALL_RES_QP_ACT_R1WQE, r6_out);
+	init_attr->act_nr_rwqes_rq2 =
+	    (u16)EHEA_BMASK_GET(H_ALL_RES_QP_ACT_R2WQE, r6_out);
+	init_attr->act_nr_rwqes_rq3 =
+	    (u16)EHEA_BMASK_GET(H_ALL_RES_QP_ACT_R3WQE, r6_out);
+
+	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, r8_out);
+	init_attr->nr_rq1_pages =
+	    (u32)EHEA_BMASK_GET(H_ALL_RES_QP_SIZE_RQ1, r8_out);
+	init_attr->nr_rq2_pages =
+	    (u32)EHEA_BMASK_GET(H_ALL_RES_QP_SIZE_RQ2, r9_out);
+	init_attr->nr_rq3_pages =
+	    (u32)EHEA_BMASK_GET(H_ALL_RES_QP_SIZE_RQ3, r9_out);
+
+	init_attr->liobn_sq =
+	    (u32)EHEA_BMASK_GET(H_ALL_RES_QP_LIOBN_SQ, r11_out);
+	init_attr->liobn_rq1 =
+	    (u32)EHEA_BMASK_GET(H_ALL_RES_QP_LIOBN_RQ1, r11_out);
+	init_attr->liobn_rq2 =
+	    (u32)EHEA_BMASK_GET(H_ALL_RES_QP_LIOBN_RQ2, r12_out);
+	init_attr->liobn_rq3 =
+	    (u32)EHEA_BMASK_GET(H_ALL_RES_QP_LIOBN_RQ3, r12_out);
+
+	if (!hret)
+		hcp_epas_ctor(h_epas, g_la_user_out, g_la_user_out);
+
+	return hret;
+}
+
+u64 ehea_h_alloc_resource_cq(const u64 hcp_adapter_handle,
+			     struct ehea_cq *ehea_cq,
+			     struct ehea_cq_attr *cq_attr,
+			     u64 *cq_handle, struct h_epas *epas)
+{
+	u64 hret = H_ADAPTER_PARM;
+	u64 dummy = 0;
+	u64 act_nr_of_cqes_out;
+	u64 act_pages_out;
+	u64 g_la_privileged_out;
+	u64 g_la_user_out;
+
+	hret = ehea_hcall_9arg_9ret(H_ALLOC_HEA_RESOURCE,
+				    hcp_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,			/* R4 */
+				    &dummy,			/* R5 */
+				    &dummy,			/* R6 */
+				    &act_nr_of_cqes_out,	/* R7 */
+				    &act_pages_out,		/* R8 */
+				    &g_la_privileged_out,	/* R9 */
+				    &g_la_user_out,		/* R10 */
+				    &dummy,	                /* R11 */
+				    &dummy);	                /* R12 */
+
+	cq_attr->act_nr_of_cqes = act_nr_of_cqes_out;
+	cq_attr->nr_pages = act_pages_out;
+
+	if (!hret)
+		hcp_epas_ctor(epas, g_la_privileged_out, g_la_user_out);
+
+	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 hcp_adapter_handle,
+			     struct ehea_eq *ehea_eq,
+			     struct ehea_eq_attr *eq_attr, u64 *eq_handle)
+{
+	u64 hret = H_ADAPTER_PARM;
+	u64 dummy;
+	u64 eq_liobn = 0;
+	u64 allocate_controls = 0;
+	u64 ist1_out = 0;
+	u64 ist2_out = 0;
+	u64 ist3_out = 0;
+	u64 ist4_out = 0;
+	u64 act_nr_of_eqes_out = 0;
+	u64 act_pages_out = 0;
+
+	/* 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_hcall_9arg_9ret(H_ALLOC_HEA_RESOURCE,
+				    hcp_adapter_handle,		/* R4 */
+				    allocate_controls,		/* R5 */
+				    eq_attr->max_nr_of_eqes,	/* R6 */
+				    0, 0, 0, 0, 0, 0,		/* R7-R10 */
+				    eq_handle,			/* R4 */
+				    &dummy,			/* R5 */
+				    &eq_liobn,			/* R6 */
+				    &act_nr_of_eqes_out,	/* R7 */
+				    &act_pages_out,		/* R8 */
+				    &ist1_out,			/* R9 */
+				    &ist2_out,			/* R10 */
+				    &ist3_out,			/* R11 */
+				    &ist4_out);			/* R12 */
+
+	eq_attr->act_nr_of_eqes = act_nr_of_eqes_out;
+	eq_attr->nr_pages = act_pages_out;
+	eq_attr->ist1 = ist1_out;
+	eq_attr->ist2 = ist2_out;
+	eq_attr->ist3 = ist3_out;
+	eq_attr->ist4 = ist4_out;
+
+	return hret;
+}
+
+u64 ehea_h_modify_ehea_qp(const u64 hcp_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 = H_ADAPTER_PARM;
+	u64 dummy = 0;
+	u64 act_out_swr = 0;
+	u64 act_out_rwr = 0;
+
+	if ((((u64)cb_addr) & (PAGE_SIZE - 1)) != 0)
+		panic("query_ehea_qp: cb_addr not on page boundary!!!");
+
+	hret = ehea_hcall_9arg_9ret(H_MODIFY_HEA_QP,
+				    hcp_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,		/* R4 */
+				    &dummy,			/* R5 */
+				    &dummy,			/* R6 */
+				    &act_out_swr,		/* R7 */
+				    &act_out_rwr,		/* R8 */
+				    proc_mask,			/* R9 */
+				    &dummy,			/* R10 */
+				    &dummy,			/* R11 */
+				    &dummy);			/* R12 */
+	*out_swr = act_out_swr;
+	*out_rwr = act_out_rwr;
+
+	return hret;
+}
+
+u64 ehea_h_register_rpage(const u64 hcp_adapter_handle,
+			  const u8 pagesize,
+			  const u8 queue_type,
+			  const u64 resource_handle,
+			  const u64 log_pageaddr, u64 count)
+{
+	u64 hret = H_ADAPTER_PARM;
+	u64 dummy;
+	u64 reg_control;
+
+	reg_control = EHEA_BMASK_SET(H_REG_RPAGE_PAGE_SIZE, pagesize)
+		    | EHEA_BMASK_SET(H_REG_RPAGE_QT, queue_type);
+
+	hret = ehea_hcall_9arg_9ret(H_REGISTER_HEA_RPAGES,
+				    hcp_adapter_handle,		/* R4 */
+				    reg_control,		/* R5 */
+				    resource_handle,		/* R6 */
+				    log_pageaddr,		/* R7 */
+				    count,			/* R8 */
+				    0, 0, 0, 0,			/* R9-R12 */
+				    &dummy,			/* R4 */
+				    &dummy,			/* R5 */
+				    &dummy,			/* R6 */
+				    &dummy,			/* R7 */
+				    &dummy,			/* R8 */
+				    &dummy,			/* R9 */
+				    &dummy,			/* R10 */
+				    &dummy,	                /* R11 */
+				    &dummy);	                /* R12 */
+	return hret;
+}
+
+u64 ehea_h_register_rpage_eq(const u64 hcp_adapter_handle,
+			     const u64 eq_handle,
+			     const u8 pagesize,
+			     const u8 queue_type,
+			     const u64 log_pageaddr, const u64 count)
+{
+	u64 hret = H_ADAPTER_PARM;
+
+	if (count != 1)
+		return H_PARAMETER;
+
+	hret = ehea_h_register_rpage(hcp_adapter_handle, pagesize, queue_type,
+				     eq_handle, log_pageaddr, count);
+	return hret;
+}
+
+u64 ehea_h_register_rpage_cq(const u64 hcp_adapter_handle,
+			     const u64 cq_handle,
+			     const u8 pagesize,
+			     const u8 queue_type,
+			     const u64 log_pageaddr,
+			     const u64 count, const struct h_epa epa)
+{
+	u64 hret = H_ADAPTER_PARM;
+
+	if (count != 1)
+		return H_PARAMETER;
+
+	hret = ehea_h_register_rpage(hcp_adapter_handle, pagesize, queue_type,
+				     cq_handle, log_pageaddr, count);
+	return hret;
+}
+
+u64 ehea_h_register_rpage_qp(const u64 hcp_adapter_handle,
+			     const u64 qp_handle,
+			     const u8 pagesize,
+			     const u8 queue_type,
+			     const u64 log_pageaddr,
+			     const u64 count, struct h_epa epa)
+{
+	u64 hret = H_ADAPTER_PARM;
+
+	if (count != 1)
+		return H_PARAMETER;
+
+	hret = ehea_h_register_rpage(hcp_adapter_handle, pagesize, queue_type,
+				     qp_handle, log_pageaddr, count);
+	return hret;
+}
+
+
+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 = H_ADAPTER_PARM;
+	u64 dummy;
+	u64 lkey_out;
+
+	hret = ehea_hcall_9arg_9ret(H_REGISTER_SMR,
+				    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,                    /* R4 */
+				    &dummy,                         /* R5 */
+				    &lkey_out,                      /* R6 */
+				    &dummy,                         /* R7 */
+				    &dummy,                         /* R8 */
+				    &dummy,                         /* R9 */
+				    &dummy,                         /* R10 */
+				    &dummy,                         /* R11 */
+				    &dummy);                        /* R12 */
+	mr->lkey = (u32)lkey_out;
+
+	return hret;
+}
+
+u64 ehea_h_destroy_qp(const u64 hcp_adapter_handle,
+		      struct ehea_qp *qp,
+		      u64 qp_handle, struct h_epas *epas)
+{
+	u64 hret = H_ADAPTER_PARM;
+	int ret = 0;
+	u64 dummy;
+	u64 ladr_next_sq_wqe_out;
+	u64 ladr_next_rq1_wqe_out;
+	u64 ladr_next_rq2_wqe_out;
+	u64 ladr_next_rq3_wqe_out;
+
+	ret = hcp_epas_dtor(epas);
+	if (ret) {
+		ehea_error("failed destroying qp->epas");
+		return H_RESOURCE;
+	}
+
+	hret = ehea_hcall_9arg_9ret(H_DISABLE_AND_GET_HEA,
+				    hcp_adapter_handle,		/* R4 */
+				    H_DISABLE_GET_EHEA_WQE_P,	/* R5 */
+				    qp_handle,			/* R6 */
+				    0, 0, 0, 0, 0, 0,		/* R7-R12 */
+				    &ladr_next_sq_wqe_out,	/* R4 */
+				    &ladr_next_rq1_wqe_out,	/* R5 */
+				    &ladr_next_rq2_wqe_out,	/* R6 */
+				    &ladr_next_rq3_wqe_out,	/* R7 */
+				    &dummy,			/* R8 */
+				    &dummy,			/* R9 */
+				    &dummy,			/* R10 */
+				    &dummy,                     /* R11 */
+				    &dummy);                    /* R12 */
+	if (hret == H_HARDWARE) {
+		ehea_error("QP not disabled, hret=%lx", hret);
+		return hret;
+	}
+
+	hret = ehea_hcall_9arg_9ret(H_FREE_RESOURCE,
+				    hcp_adapter_handle,		/* R4 */
+				    qp_handle,			/* R5 */
+				    0, 0, 0, 0, 0, 0, 0,	/* R6-R12 */
+				    &dummy,			/* R4 */
+				    &dummy,			/* R5 */
+				    &dummy,			/* R6 */
+				    &dummy,			/* R7 */
+				    &dummy,			/* R8 */
+				    &dummy,			/* R9 */
+				    &dummy,			/* R10 */
+				    &dummy,                     /* R11 */
+				    &dummy);                    /* R12 */
+	if (hret == H_RESOURCE)
+		ehea_error("resource still in use, hret=%lx", hret);
+
+	return hret;
+}
+
+u64 ehea_h_destroy_cq(const u64 hcp_adapter_handle,
+		      struct ehea_cq *cq,
+		      u64 cq_handle, struct h_epas *epas)
+{
+	u64 hret = H_ADAPTER_PARM;
+	u64 dummy;
+
+	hret = hcp_epas_dtor(epas);
+	if (hret != H_SUCCESS) {
+		ehea_error("failed destroying cp->epas");
+		return H_RESOURCE;
+	}
+
+	hret = ehea_hcall_9arg_9ret(H_FREE_RESOURCE,
+				    hcp_adapter_handle,		/* R4 */
+				    cq_handle,			/* R5 */
+				    0, 0, 0, 0, 0, 0, 0,	/* R6-R12 */
+				    &dummy,			/* R4 */
+				    &dummy,			/* R5 */
+				    &dummy,			/* R6 */
+				    &dummy,			/* R7 */
+				    &dummy,			/* R8 */
+				    &dummy,			/* R9 */
+				    &dummy,			/* R10 */
+				    &dummy,                     /* R11 */
+				    &dummy);                    /* R12 */
+	if (hret == H_RESOURCE)
+		ehea_error("resource in use, hret=%lx ", hret);
+
+	return hret;
+}
+
+u64 ehea_h_destroy_eq(const u64 hcp_adapter_handle,
+		      struct ehea_eq * eq,
+		      u64 eq_handle, struct h_epas * epas)
+{
+	u64 hret = H_ADAPTER_PARM;
+	u64 dummy;
+
+	hret = hcp_epas_dtor(epas);
+
+	if (hret != H_SUCCESS) {
+		ehea_error("failed destroying ep->epas");
+		return H_RESOURCE;
+	}
+
+	hret = ehea_hcall_9arg_9ret(H_FREE_RESOURCE,
+				    hcp_adapter_handle,		/* R4 */
+				    eq_handle,			/* R5 */
+				    0, 0, 0, 0, 0, 0, 0,	/* R6-R12 */
+				    &dummy,			/* R4 */
+				    &dummy,			/* R5 */
+				    &dummy,			/* R6 */
+				    &dummy,			/* R7 */
+				    &dummy,			/* R8 */
+				    &dummy,			/* R9 */
+				    &dummy,			/* R10 */
+				    &dummy,                     /* R11 */
+				    &dummy);                    /* R12 */
+	if (hret == H_RESOURCE)
+		ehea_error("resource in use, hret=%lx ", hret);
+
+	return hret;
+}
+
+u64 ehea_h_free_resource_mr(const u64 hcp_adapter_handle,
+			    const u64 mr_handle)
+{
+	u64 hret = H_ADAPTER_PARM;
+	u64 dummy;
+
+	hret = ehea_hcall_9arg_9ret(H_FREE_RESOURCE,
+				    hcp_adapter_handle,    /* R4 */
+				    mr_handle,             /* R5 */
+				    0, 0, 0, 0, 0, 0, 0,   /* R6-R12 */
+				    &dummy,                /* R4 */
+				    &dummy,                /* R5 */
+				    &dummy,                /* R6 */
+				    &dummy,                /* R7 */
+				    &dummy,                /* R8 */
+				    &dummy,                /* R9 */
+				    &dummy,		   /* R10 */
+				    &dummy,                /* R11 */
+				    &dummy);               /* R12 */
+	return hret;
+}
+
+u64 ehea_h_alloc_resource_mr(const u64 hcp_adapter_handle,
+			     const u64 vaddr,
+			     const u64 length,
+			     const u32 access_ctrl,
+			     const u32 pd, u64 *mr_handle, u32 *lkey)
+{
+	u64 hret = H_ADAPTER_PARM;
+	u64 dummy;
+	u64 lkey_out;
+
+	hret = ehea_hcall_9arg_9ret(H_ALLOC_HEA_RESOURCE,
+				    hcp_adapter_handle,		   /* R4 */
+				    5,				   /* R5 */
+				    vaddr,			   /* R6 */
+				    length,			   /* R7 */
+				    (((u64) access_ctrl) << 32ULL),/* R8 */
+				    pd,				   /* R9 */
+				    0, 0, 0,			   /* R10-R12 */
+				    mr_handle,			   /* R4 */
+				    &dummy,			   /* R5 */
+				    &lkey_out,			   /* R6 */
+				    &dummy,			   /* R7 */
+				    &dummy,			   /* R8 */
+				    &dummy,			   /* R9 */
+				    &dummy,			   /* R10 */
+				    &dummy,                        /* R11 */
+				    &dummy);                       /* R12 */
+	*lkey = (u32) lkey_out;
+
+	return hret;
+}
+
+u64 ehea_h_register_rpage_mr(const u64 hcp_adapter_handle,
+			     const u64 mr_handle,
+			     const u8 pagesize,
+			     const u8 queue_type,
+			     const u64 log_pageaddr, const u64 count)
+{
+	u64 hret = H_ADAPTER_PARM;
+
+	if ((count > 1) && (log_pageaddr & 0xfff)) {
+		ehea_error("not on pageboundary");
+		hret = H_PARAMETER;
+	} else
+		hret = ehea_h_register_rpage(hcp_adapter_handle, pagesize,
+					     queue_type, mr_handle, 
+					     log_pageaddr, count);
+	return hret;
+}
+
+u64 ehea_h_query_ehea(const u64 hcp_adapter_handle, void *cb_addr)
+{
+	u64 hret = H_ADAPTER_PARM;
+	u64 dummy = 0;
+	u64 cb_logaddr;
+
+	cb_logaddr = virt_to_abs(cb_addr);
+
+	hret = ehea_hcall_9arg_9ret(H_QUERY_HEA,
+				    hcp_adapter_handle,		/* R4 */
+				    cb_logaddr,			/* R5 */
+				    0, 0, 0, 0, 0, 0, 0,	/* R6-R12 */
+				    &dummy,			/* R4 */
+				    &dummy,			/* R5 */
+				    &dummy,			/* R6 */
+				    &dummy,			/* R7 */
+				    &dummy,			/* R8 */
+				    &dummy,			/* R9 */
+				    &dummy,			/* R10 */
+				    &dummy,             	/* R11 */
+				    &dummy);            	/* R12 */
+#ifdef DEBUG
+	ehea_dmp(cb_addr, sizeof(struct hcp_query_ehea), "hcp_query_ehea");
+#endif
+	return hret;
+}
+
+u64 ehea_h_query_ehea_port(const u64 hcp_adapter_handle,
+			   const u16 port_num,
+			   const u8 cb_cat, const u64 select_mask,
+			   void *cb_addr)
+{
+	u64 hret = H_ADAPTER_PARM;
+	u64 port_info = 0;
+	u64 arr_index = 0;
+	u64 dummy = 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);
+
+	hret = ehea_hcall_9arg_9ret(H_QUERY_HEA_PORT,
+				    hcp_adapter_handle,		/* R4 */
+				    port_info,			/* R5 */
+				    select_mask,		/* R6 */
+				    arr_index,			/* R7 */
+				    cb_logaddr,			/* R8 */
+				    0, 0, 0, 0,			/* R9-R12 */
+				    &dummy,			/* R4 */
+				    &dummy,			/* R5 */
+				    &dummy,			/* R6 */
+				    &dummy,			/* R7 */
+				    &dummy,			/* R8 */
+				    &dummy,			/* R9 */
+				    &dummy,			/* R10 */
+				    &dummy,                     /* R11 */
+				    &dummy);                    /* R12 */
+	return hret;
+}
+
+u64 ehea_h_modify_ehea_port(const u64 hcp_adapter_handle,
+			    const u16 port_num,
+			    const u8 cb_cat,
+			    const u64 select_mask, void *cb_addr)
+{
+	u64 hret = H_ADAPTER_PARM;
+	u64 port_info = 0;
+	u64 arr_index = 0;
+	u64 dummy = 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_query_ehea_port_cb_0), "Before HCALL");
+#endif
+
+	hret = ehea_hcall_9arg_9ret(H_MODIFY_HEA_PORT,
+				    hcp_adapter_handle,		/* R4 */
+				    port_info,			/* R5 */
+				    select_mask,		/* R6 */
+				    arr_index,			/* R7 */
+				    cb_logaddr,			/* R8 */
+				    0, 0, 0, 0,			/* R9-R12 */
+				    &dummy,			/* R4 */
+				    &dummy,			/* R5 */
+				    &dummy,			/* R6 */
+				    &dummy,			/* R7 */
+				    &dummy,			/* R8 */
+				    &dummy,			/* R9 */
+				    &dummy,			/* R10 */
+				    &dummy,                     /* R11 */
+				    &dummy);                    /* R12 */
+	return hret;
+}
+
+u64 ehea_h_reg_dereg_bcmc(const u64 hcp_adapter_handle,
+			  const u16 port_num,
+			  const u8 reg_type,
+			  const u64 mc_mac_addr,
+			  const u16 vlan_id, const u32 hcall_id)
+{
+	u64 hret = H_ADAPTER_PARM;
+	u64 r5_port_num = 0;
+	u64 r6_reg_type = 0;
+	u64 r7_mc_mac_addr = 0;
+	u64 r8_vlan_id = 0;
+	u64 dummy = 0;
+
+	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);
+
+	hret = ehea_hcall_9arg_9ret(hcall_id,
+				    hcp_adapter_handle,		/* R4 */
+				    r5_port_num,		/* R5 */
+				    r6_reg_type,		/* R6 */
+				    r7_mc_mac_addr,		/* R7 */
+				    r8_vlan_id,			/* R8 */
+				    0, 0, 0, 0,			/* R9-R12 */
+				    &dummy,			/* R4 */
+				    &dummy,			/* R5 */
+				    &dummy,			/* R6 */
+				    &dummy,			/* R7 */
+				    &dummy,			/* R8 */
+				    &dummy,			/* R9 */
+				    &dummy,			/* R10 */
+				    &dummy,                     /* R11 */
+				    &dummy);                    /* R12 */
+	return hret;
+}
+
+u64 ehea_h_reset_events(const u64 hcp_adapter_handle,
+			const u64 neq_handle, const u64 event_mask)
+{
+	u64 hret = H_ADAPTER_PARM;
+	u64 dummy = 0;
+
+	hret = ehea_hcall_9arg_9ret(H_RESET_EVENTS,
+				    hcp_adapter_handle,		/* R4 */
+				    neq_handle,			/* R5 */
+				    event_mask,			/* R6 */
+				    0, 0, 0, 0, 0, 0,		/* R7-R12 */
+				    &dummy,			/* R4 */
+				    &dummy,			/* R5 */
+				    &dummy,			/* R6 */
+				    &dummy,			/* R7 */
+				    &dummy,			/* R8 */
+				    &dummy,			/* R9 */
+				    &dummy,			/* R10 */
+				    &dummy,                     /* R11 */
+				    &dummy);                    /* R12 */
+	return hret;
+}
drivers/net/ehea/ehea_phyp.h +523 -0

523 lines not on this page · raw message

drivers/net/ehea/ehea_hcall.h +51 -0

51 lines not on this page · raw message

#1 lore raw
Quoted 9 lines · Jan-Bernd Themann
drivers/net/ehea/ehea_phyp.c +6 -0
 
+	hret = ehea_hcall_9arg_9ret(H_QUERY_HEA_QP,
+				    hcp_adapter_handle,	        /* R4 */
+				    qp_category,	        /* R5 */
+				    qp_handle,	                /* R6 */
+				    sel_mask,	                /* R7 */
+				    virt_to_abs(cb_addr),	/* R8 */

drivers/net/ehea/ehea_phyp.c line 73

Quoted 10 lines
drivers/net/ehea/ehea_phyp.c +10 -0
+				    0, 0, 0, 0,	                /* R9-R12 */
+				    &dummy,                     /* R4 */
+				    &dummy,                     /* R5 */
+				    &dummy,	                /* R6 */
+				    &dummy,	                /* R7 */
+				    &dummy,	                /* R8 */
+				    &dummy,	                /* R9 */
+				    &dummy,	                /* R10 */
+				    &dummy,	                /* R11 */
+				    &dummy);	                /* R12 */

I asked SO to recount arguments and we've come to a conclusion that there're in fact 19 args not 18 as the name suggests. 19 args is I-N-S-A-N-E.

Quoted 4 lines
drivers/net/ehea/ehea_phyp.c +4 -0
+u64 ehea_h_register_rpage_eq(const u64 hcp_adapter_handle,
+			     const u64 eq_handle,
+			     const u8 pagesize,
+			     const u8 queue_type,

drivers/net/ehea/ehea_phyp.c line 463

Quoted 10 lines
drivers/net/ehea/ehea_phyp.c +10 -0
+			     const u64 log_pageaddr, const u64 count)
+{
+	u64 hret = H_ADAPTER_PARM;
+
+	if (count != 1)
+		return H_PARAMETER;
+
+	hret = ehea_h_register_rpage(hcp_adapter_handle, pagesize, queue_type,
+				     eq_handle, log_pageaddr, count);
+	return hret;

Just

	return ehea_h_register_rpage(...);
Quoted 5 lines
drivers/net/ehea/ehea_phyp.c +5 -0
+u64 ehea_h_register_rpage_cq(const u64 hcp_adapter_handle,
+			     const u64 cq_handle,
+			     const u8 pagesize,
+			     const u8 queue_type,
+			     const u64 log_pageaddr,

drivers/net/ehea/ehea_phyp.c line 480

Quoted 10 lines
drivers/net/ehea/ehea_phyp.c +10 -0
+			     const u64 count, const struct h_epa epa)
+{
+	u64 hret = H_ADAPTER_PARM;
+
+	if (count != 1)
+		return H_PARAMETER;
+
+	hret = ehea_h_register_rpage(hcp_adapter_handle, pagesize, queue_type,
+				     cq_handle, log_pageaddr, count);
+	return hret;

Ditto.

Quoted 6 lines
drivers/net/ehea/ehea_phyp.c +6 -0
+u64 ehea_h_register_rpage_qp(const u64 hcp_adapter_handle,
+			     const u64 qp_handle,
+			     const u8 pagesize,
+			     const u8 queue_type,
+			     const u64 log_pageaddr,
+			     const u64 count, struct h_epa epa)

drivers/net/ehea/ehea_phyp.c line 498

Quoted 10 lines
drivers/net/ehea/ehea_phyp.c +10 -0
+{
+	u64 hret = H_ADAPTER_PARM;
+
+	if (count != 1)
+		return H_PARAMETER;
+
+	hret = ehea_h_register_rpage(hcp_adapter_handle, pagesize, queue_type,
+				     qp_handle, log_pageaddr, count);
+	return hret;
+}

Ditto.

Quoted 6 lines
drivers/net/ehea/ehea_phyp.c +6 -0
+static inline int hcp_epas_ctor(struct h_epas *epas, u64 paddr_kernel,
+				u64 paddr_user)
+{
+	epas->kernel.fw_handle = (u64) ioremap(paddr_kernel, PAGE_SIZE);
+	epas->user.fw_handle = paddr_user;
+	return 0;

drivers/net/ehea/ehea_phyp.c

Quoted 10 lines
drivers/net/ehea/ehea_phyp.c +10 -0
+}
+
+static inline int hcp_epas_dtor(struct h_epas *epas)
+{
+
+	if (epas->kernel.fw_handle)
+		iounmap((void *)epas->kernel.fw_handle);
+	epas->user.fw_handle = epas->kernel.fw_handle = 0;
+	return 0;
+}

Always returns 0;

#3 lore raw
Quoted 8 lines

Hi,

Quoted 3 lines

I asked SO to recount arguments and we've come to a conclusion that there're in fact 19 args not 18 as the name suggests. 19 args is I-N-S-A-N-E.

Quoted 8 lines

It will be partially cleaned up by:

http://ozlabs.org/pipermail/linuxppc-dev/2006-July/024556.html

However it doesnt fix the fact someone has architected such a crazy interface :(

Anton

well, just as background info, this is the wrapper around
a single assembly instruction which calls system firmware and takes 9 CPU registers for input and 9 CPU registers for output parameters. This definition by platform architecture won't change in the near future, but the good news is with Antons change the wrapper will look much nicer.

Gruss / Regards . . . Christoph R

#4 lore raw
In reply to Alexey Dobriyan
Quoted 17 lines · Alexey Dobriyan

drivers/net/ehea/ehea_phyp.c line 463

Quoted 6 lines · Jan-Bernd Themann
drivers/net/ehea/ehea_phyp.c +3 -0
 
+	hret = ehea_h_register_rpage(hcp_adapter_handle, pagesize, queue_type,
+				     eq_handle, log_pageaddr, count);
+	return hret;

Just

	return ehea_h_register_rpage(...);

drivers/net/ehea/ehea_phyp.c line 480

Quoted 3 lines
drivers/net/ehea/ehea_phyp.c +3 -0
+	hret = ehea_h_register_rpage(hcp_adapter_handle, pagesize, queue_type,
+				     cq_handle, log_pageaddr, count);
+	return hret;

Ditto.

Quoted 6 lines

drivers/net/ehea/ehea_phyp.c line 498

Quoted 4 lines
drivers/net/ehea/ehea_phyp.c +4 -0
+	hret = ehea_h_register_rpage(hcp_adapter_handle, pagesize, queue_type,
+				     qp_handle, log_pageaddr, count);
+	return hret;
+}

Ditto.

Returncode handling was reworked throughout the whole driver. Those assignments were modified according to your suggestion.

Quoted 10 lines
Quoted 10 lines
drivers/net/ehea/ehea_phyp.c +10 -0
+static inline int hcp_epas_ctor(struct h_epas *epas, u64 paddr_kernel,
+				u64 paddr_user)
+{
+	epas->kernel.fw_handle = (u64) ioremap(paddr_kernel, PAGE_SIZE);
+	epas->user.fw_handle = paddr_user;
+	return 0;
+}
+
+static inline int hcp_epas_dtor(struct h_epas *epas)
+{
Quoted 8 lines

drivers/net/ehea/ehea_phyp.c

Quoted 6 lines
drivers/net/ehea/ehea_phyp.c +6 -0
+
+	if (epas->kernel.fw_handle)
+		iounmap((void *)epas->kernel.fw_handle);
+	epas->user.fw_handle = epas->kernel.fw_handle = 0;
+	return 0;
+}

Always returns 0;

Correct. They're returning void now.

Thanks
Thomas