hcp_if.c

linux内核源码

				      ist,                   /* r5 */
				      0, 0, 0, 0, 0);

	if (ret != H_SUCCESS && ret != H_BUSY)
		ehca_gen_err("Could not query interrupt state.");

	return ret;
}

u64 hipz_h_register_rpage_cq(const struct ipz_adapter_handle adapter_handle,
			     const struct ipz_cq_handle cq_handle,
			     struct ehca_pfcq *pfcq,
			     const u8 pagesize,
			     const u8 queue_type,
			     const u64 logical_address_of_page,
			     const u64 count,
			     const struct h_galpa gal)
{
	if (count != 1) {
		ehca_gen_err("Page counter=%lx", count);
		return H_PARAMETER;
	}

	return hipz_h_register_rpage(adapter_handle, pagesize, queue_type,
				     cq_handle.handle, logical_address_of_page,
				     count);
}

u64 hipz_h_register_rpage_qp(const struct ipz_adapter_handle adapter_handle,
			     const struct ipz_qp_handle qp_handle,
			     struct ehca_pfqp *pfqp,
			     const u8 pagesize,
			     const u8 queue_type,
			     const u64 logical_address_of_page,
			     const u64 count,
			     const struct h_galpa galpa)
{
	if (count > 1) {
		ehca_gen_err("Page counter=%lx", count);
		return H_PARAMETER;
	}

	return hipz_h_register_rpage(adapter_handle, pagesize, queue_type,
				     qp_handle.handle, logical_address_of_page,
				     count);
}

u64 hipz_h_disable_and_get_wqe(const struct ipz_adapter_handle adapter_handle,
			       const struct ipz_qp_handle qp_handle,
			       struct ehca_pfqp *pfqp,
			       void **log_addr_next_sq_wqe2processed,
			       void **log_addr_next_rq_wqe2processed,
			       int dis_and_get_function_code)
{
	u64 ret;
	u64 outs[PLPAR_HCALL9_BUFSIZE];

	ret = ehca_plpar_hcall9(H_DISABLE_AND_GETC, outs,
				adapter_handle.handle,     /* r4 */
				dis_and_get_function_code, /* r5 */
				qp_handle.handle,	   /* r6 */
				0, 0, 0, 0, 0, 0);
	if (log_addr_next_sq_wqe2processed)
		*log_addr_next_sq_wqe2processed = (void *)outs[0];
	if (log_addr_next_rq_wqe2processed)
		*log_addr_next_rq_wqe2processed = (void *)outs[1];

	return ret;
}

u64 hipz_h_modify_qp(const struct ipz_adapter_handle adapter_handle,
		     const struct ipz_qp_handle qp_handle,
		     struct ehca_pfqp *pfqp,
		     const u64 update_mask,
		     struct hcp_modify_qp_control_block *mqpcb,
		     struct h_galpa gal)
{
	u64 ret;
	u64 outs[PLPAR_HCALL9_BUFSIZE];
	ret = ehca_plpar_hcall9(H_MODIFY_QP, outs,
				adapter_handle.handle, /* r4 */
				qp_handle.handle,      /* r5 */
				update_mask,	       /* r6 */
				virt_to_abs(mqpcb),    /* r7 */
				0, 0, 0, 0, 0);

	if (ret == H_NOT_ENOUGH_RESOURCES)
		ehca_gen_err("Insufficient resources ret=%li", ret);

	return ret;
}

u64 hipz_h_query_qp(const struct ipz_adapter_handle adapter_handle,
		    const struct ipz_qp_handle qp_handle,
		    struct ehca_pfqp *pfqp,
		    struct hcp_modify_qp_control_block *qqpcb,
		    struct h_galpa gal)
{
	return ehca_plpar_hcall_norets(H_QUERY_QP,
				       adapter_handle.handle, /* r4 */
				       qp_handle.handle,      /* r5 */
				       virt_to_abs(qqpcb),    /* r6 */
				       0, 0, 0, 0);
}

u64 hipz_h_destroy_qp(const struct ipz_adapter_handle adapter_handle,
		      struct ehca_qp *qp)
{
	u64 ret;
	u64 outs[PLPAR_HCALL9_BUFSIZE];

	ret = hcp_galpas_dtor(&qp->galpas);
	if (ret) {
		ehca_gen_err("Could not destruct qp->galpas");
		return H_RESOURCE;
	}
	ret = ehca_plpar_hcall9(H_DISABLE_AND_GETC, outs,
				adapter_handle.handle,     /* r4 */
				/* function code */
				1,	                   /* r5 */
				qp->ipz_qp_handle.handle,  /* r6 */
				0, 0, 0, 0, 0, 0);
	if (ret == H_HARDWARE)
		ehca_gen_err("HCA not operational. ret=%li", ret);

	ret = ehca_plpar_hcall_norets(H_FREE_RESOURCE,
				      adapter_handle.handle,     /* r4 */
				      qp->ipz_qp_handle.handle,  /* r5 */
				      0, 0, 0, 0, 0);

	if (ret == H_RESOURCE)
		ehca_gen_err("Resource still in use. ret=%li", ret);

	return ret;
}

u64 hipz_h_define_aqp0(const struct ipz_adapter_handle adapter_handle,
		       const struct ipz_qp_handle qp_handle,
		       struct h_galpa gal,
		       u32 port)
{
	return ehca_plpar_hcall_norets(H_DEFINE_AQP0,
				       adapter_handle.handle, /* r4 */
				       qp_handle.handle,      /* r5 */
				       port,                  /* r6 */
				       0, 0, 0, 0);
}

u64 hipz_h_define_aqp1(const struct ipz_adapter_handle adapter_handle,
		       const struct ipz_qp_handle qp_handle,
		       struct h_galpa gal,
		       u32 port, u32 * pma_qp_nr,
		       u32 * bma_qp_nr)
{
	u64 ret;
	u64 outs[PLPAR_HCALL9_BUFSIZE];

	ret = ehca_plpar_hcall9(H_DEFINE_AQP1, outs,
				adapter_handle.handle, /* r4 */
				qp_handle.handle,      /* r5 */
				port,	               /* r6 */
				0, 0, 0, 0, 0, 0);
	*pma_qp_nr = (u32)outs[0];
	*bma_qp_nr = (u32)outs[1];

	if (ret == H_ALIAS_EXIST)
		ehca_gen_err("AQP1 already exists. ret=%li", ret);

	return ret;
}

u64 hipz_h_attach_mcqp(const struct ipz_adapter_handle adapter_handle,
		       const struct ipz_qp_handle qp_handle,
		       struct h_galpa gal,
		       u16 mcg_dlid,
		       u64 subnet_prefix, u64 interface_id)
{
	u64 ret;

	ret = ehca_plpar_hcall_norets(H_ATTACH_MCQP,
				      adapter_handle.handle,  /* r4 */
				      qp_handle.handle,       /* r5 */
				      mcg_dlid,               /* r6 */
				      interface_id,           /* r7 */
				      subnet_prefix,          /* r8 */
				      0, 0);

	if (ret == H_NOT_ENOUGH_RESOURCES)
		ehca_gen_err("Not enough resources. ret=%li", ret);

	return ret;
}

u64 hipz_h_detach_mcqp(const struct ipz_adapter_handle adapter_handle,
		       const struct ipz_qp_handle qp_handle,
		       struct h_galpa gal,
		       u16 mcg_dlid,
		       u64 subnet_prefix, u64 interface_id)
{
	return ehca_plpar_hcall_norets(H_DETACH_MCQP,
				       adapter_handle.handle, /* r4 */
				       qp_handle.handle,      /* r5 */
				       mcg_dlid,              /* r6 */
				       interface_id,          /* r7 */
				       subnet_prefix,         /* r8 */
				       0, 0);
}

u64 hipz_h_destroy_cq(const struct ipz_adapter_handle adapter_handle,
		      struct ehca_cq *cq,
		      u8 force_flag)
{
	u64 ret;

	ret = hcp_galpas_dtor(&cq->galpas);
	if (ret) {
		ehca_gen_err("Could not destruct cp->galpas");
		return H_RESOURCE;
	}

	ret = ehca_plpar_hcall_norets(H_FREE_RESOURCE,
				      adapter_handle.handle,     /* r4 */
				      cq->ipz_cq_handle.handle,  /* r5 */
				      force_flag != 0 ? 1L : 0L, /* r6 */
				      0, 0, 0, 0);

	if (ret == H_RESOURCE)
		ehca_gen_err("H_FREE_RESOURCE failed ret=%li ", ret);

	return ret;
}

u64 hipz_h_destroy_eq(const struct ipz_adapter_handle adapter_handle,
		      struct ehca_eq *eq)
{
	u64 ret;

	ret = hcp_galpas_dtor(&eq->galpas);
	if (ret) {
		ehca_gen_err("Could not destruct eq->galpas");
		return H_RESOURCE;
	}

	ret = ehca_plpar_hcall_norets(H_FREE_RESOURCE,
				      adapter_handle.handle,     /* r4 */
				      eq->ipz_eq_handle.handle,  /* r5 */
				      0, 0, 0, 0, 0);

	if (ret == H_RESOURCE)
		ehca_gen_err("Resource in use. ret=%li ", ret);

	return ret;
}

u64 hipz_h_alloc_resource_mr(const struct ipz_adapter_handle adapter_handle,
			     const struct ehca_mr *mr,
			     const u64 vaddr,
			     const u64 length,
			     const u32 access_ctrl,
			     const struct ipz_pd pd,
			     struct ehca_mr_hipzout_parms *outparms)
{
	u64 ret;
	u64 outs[PLPAR_HCALL9_BUFSIZE];

	ehca_gen_dbg("kernel PAGE_SIZE=%x access_ctrl=%016x "
		     "vaddr=%lx length=%lx",
		     (u32)PAGE_SIZE, access_ctrl, vaddr, length);
	ret = ehca_plpar_hcall9(H_ALLOC_RESOURCE, outs,
				adapter_handle.handle,            /* r4 */
				5,                                /* r5 */
				vaddr,                            /* r6 */
				length,                           /* r7 */
				(((u64)access_ctrl) << 32ULL),    /* r8 */
				pd.value,                         /* r9 */
				0, 0, 0);
	outparms->handle.handle = outs[0];
	outparms->lkey = (u32)outs[2];
	outparms->rkey = (u32)outs[3];

	return ret;
}

u64 hipz_h_register_rpage_mr(const struct ipz_adapter_handle adapter_handle,
			     const struct ehca_mr *mr,
			     const u8 pagesize,
			     const u8 queue_type,
			     const u64 logical_address_of_page,
			     const u64 count)
{
	u64 ret;

	if (unlikely(ehca_debug_level >= 2)) {
		if (count > 1) {
			u64 *kpage;
			int i;
			kpage = (u64 *)abs_to_virt(logical_address_of_page);
			for (i = 0; i < count; i++)
				ehca_gen_dbg("kpage[%d]=%p",
					     i, (void *)kpage[i]);
		} else
			ehca_gen_dbg("kpage=%p",
				     (void *)logical_address_of_page);
	}

	if ((count > 1) && (logical_address_of_page & (EHCA_PAGESIZE-1))) {
		ehca_gen_err("logical_address_of_page not on a 4k boundary "
			     "adapter_handle=%lx mr=%p mr_handle=%lx "
			     "pagesize=%x queue_type=%x "
			     "logical_address_of_page=%lx count=%lx",
			     adapter_handle.handle, mr,
			     mr->ipz_mr_handle.handle, pagesize, queue_type,
			     logical_address_of_page, count);
		ret = H_PARAMETER;
	} else
		ret = hipz_h_register_rpage(adapter_handle, pagesize,
					    queue_type,
					    mr->ipz_mr_handle.handle,
					    logical_address_of_page, count);
	return ret;
}

u64 hipz_h_query_mr(const struct ipz_adapter_handle adapter_handle,
		    const struct ehca_mr *mr,
		    struct ehca_mr_hipzout_parms *outparms)
{
	u64 ret;
	u64 outs[PLPAR_HCALL9_BUFSIZE];

	ret = ehca_plpar_hcall9(H_QUERY_MR, outs,
				adapter_handle.handle,     /* r4 */
				mr->ipz_mr_handle.handle,  /* r5 */
				0, 0, 0, 0, 0, 0, 0);
	outparms->len = outs[0];
	outparms->vaddr = outs[1];
	outparms->acl  = outs[4] >> 32;
	outparms->lkey = (u32)(outs[5] >> 32);
	outparms->rkey = (u32)(outs[5] & (0xffffffff));

	return ret;
}

u64 hipz_h_free_resource_mr(const struct ipz_adapter_handle adapter_handle,
			    const struct ehca_mr *mr)
{
	return ehca_plpar_hcall_norets(H_FREE_RESOURCE,
				       adapter_handle.handle,    /* r4 */
				       mr->ipz_mr_handle.handle, /* r5 */
				       0, 0, 0, 0, 0);
}

u64 hipz_h_reregister_pmr(const struct ipz_adapter_handle adapter_handle,
			  const struct ehca_mr *mr,
			  const u64 vaddr_in,
			  const u64 length,
			  const u32 access_ctrl,
			  const struct ipz_pd pd,
			  const u64 mr_addr_cb,
			  struct ehca_mr_hipzout_parms *outparms)
{
	u64 ret;
	u64 outs[PLPAR_HCALL9_BUFSIZE];

	ret = ehca_plpar_hcall9(H_REREGISTER_PMR, outs,
				adapter_handle.handle,    /* r4 */
				mr->ipz_mr_handle.handle, /* r5 */
				vaddr_in,	          /* r6 */
				length,                   /* r7 */
				/* r8 */
				((((u64)access_ctrl) << 32ULL) | pd.value),
				mr_addr_cb,               /* r9 */
				0, 0, 0);
	outparms->vaddr = outs[1];
	outparms->lkey = (u32)outs[2];
	outparms->rkey = (u32)outs[3];

	return ret;
}

u64 hipz_h_register_smr(const struct ipz_adapter_handle adapter_handle,
			const struct ehca_mr *mr,
			const struct ehca_mr *orig_mr,
			const u64 vaddr_in,
			const u32 access_ctrl,
			const struct ipz_pd pd,
			struct ehca_mr_hipzout_parms *outparms)
{
	u64 ret;
	u64 outs[PLPAR_HCALL9_BUFSIZE];

	ret = ehca_plpar_hcall9(H_REGISTER_SMR, outs,
				adapter_handle.handle,            /* r4 */
				orig_mr->ipz_mr_handle.handle,    /* r5 */
				vaddr_in,                         /* r6 */
				(((u64)access_ctrl) << 32ULL),    /* r7 */
				pd.value,                         /* r8 */
				0, 0, 0, 0);
	outparms->handle.handle = outs[0];
	outparms->lkey = (u32)outs[2];
	outparms->rkey = (u32)outs[3];

	return ret;
}

u64 hipz_h_alloc_resource_mw(const struct ipz_adapter_handle adapter_handle,
			     const struct ehca_mw *mw,
			     const struct ipz_pd pd,
			     struct ehca_mw_hipzout_parms *outparms)
{
	u64 ret;
	u64 outs[PLPAR_HCALL9_BUFSIZE];

	ret = ehca_plpar_hcall9(H_ALLOC_RESOURCE, outs,
				adapter_handle.handle,      /* r4 */
				6,                          /* r5 */
				pd.value,                   /* r6 */
				0, 0, 0, 0, 0, 0);
	outparms->handle.handle = outs[0];
	outparms->rkey = (u32)outs[3];

	return ret;
}

u64 hipz_h_query_mw(const struct ipz_adapter_handle adapter_handle,
		    const struct ehca_mw *mw,
		    struct ehca_mw_hipzout_parms *outparms)
{
	u64 ret;
	u64 outs[PLPAR_HCALL9_BUFSIZE];

	ret = ehca_plpar_hcall9(H_QUERY_MW, outs,
				adapter_handle.handle,    /* r4 */
				mw->ipz_mw_handle.handle, /* r5 */
				0, 0, 0, 0, 0, 0, 0);
	outparms->rkey = (u32)outs[3];

	return ret;
}

u64 hipz_h_free_resource_mw(const struct ipz_adapter_handle adapter_handle,
			    const struct ehca_mw *mw)
{
	return ehca_plpar_hcall_norets(H_FREE_RESOURCE,
				       adapter_handle.handle,    /* r4 */
				       mw->ipz_mw_handle.handle, /* r5 */
				       0, 0, 0, 0, 0);
}

u64 hipz_h_error_data(const struct ipz_adapter_handle adapter_handle,
		      const u64 ressource_handle,
		      void *rblock,
		      unsigned long *byte_count)
{
	u64 r_cb = virt_to_abs(rblock);

	if (r_cb & (EHCA_PAGESIZE-1)) {
		ehca_gen_err("rblock not page aligned.");
		return H_PARAMETER;
	}

	return ehca_plpar_hcall_norets(H_ERROR_DATA,
				       adapter_handle.handle,
				       ressource_handle,
				       r_cb,
				       0, 0, 0, 0);
}