xref: /illumos-gate/usr/src/uts/common/io/hxge/hxge_fzc.c (revision 20a7641f9918de8574b8b3b47dbe35c4bfc78df1)
1 /*
2  * CDDL HEADER START
3  *
4  * The contents of this file are subject to the terms of the
5  * Common Development and Distribution License (the "License").
6  * You may not use this file except in compliance with the License.
7  *
8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9  * or http://www.opensolaris.org/os/licensing.
10  * See the License for the specific language governing permissions
11  * and limitations under the License.
12  *
13  * When distributing Covered Code, include this CDDL HEADER in each
14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15  * If applicable, add the following below this CDDL HEADER, with the
16  * fields enclosed by brackets "[]" replaced with your own identifying
17  * information: Portions Copyright [yyyy] [name of copyright owner]
18  *
19  * CDDL HEADER END
20  */
21 /*
22  * Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
23  * Use is subject to license terms.
24  */
25 
26 #include	<hxge_impl.h>
27 #include	<hpi_vmac.h>
28 #include	<hpi_rxdma.h>
29 
30 /*
31  * System interrupt registers that are under function zero management.
32  */
33 hxge_status_t
34 hxge_fzc_intr_init(p_hxge_t hxgep)
35 {
36 	hxge_status_t	status = HXGE_OK;
37 
38 	HXGE_DEBUG_MSG((hxgep, INT_CTL, "==> hxge_fzc_intr_init"));
39 
40 	/* Configure the initial timer resolution */
41 	if ((status = hxge_fzc_intr_tmres_set(hxgep)) != HXGE_OK) {
42 		return (status);
43 	}
44 
45 	/*
46 	 * Set up the logical device group's logical devices that
47 	 * the group owns.
48 	 */
49 	if ((status = hxge_fzc_intr_ldg_num_set(hxgep)) != HXGE_OK) {
50 		return (status);
51 	}
52 
53 	/* Configure the system interrupt data */
54 	if ((status = hxge_fzc_intr_sid_set(hxgep)) != HXGE_OK) {
55 		return (status);
56 	}
57 
58 	HXGE_DEBUG_MSG((hxgep, INT_CTL, "<== hxge_fzc_intr_init"));
59 
60 	return (status);
61 }
62 
63 hxge_status_t
64 hxge_fzc_intr_ldg_num_set(p_hxge_t hxgep)
65 {
66 	p_hxge_ldg_t	ldgp;
67 	p_hxge_ldv_t	ldvp;
68 	hpi_handle_t	handle;
69 	int		i, j;
70 	hpi_status_t	rs = HPI_SUCCESS;
71 
72 	HXGE_DEBUG_MSG((hxgep, INT_CTL, "==> hxge_fzc_intr_ldg_num_set"));
73 
74 	if (hxgep->ldgvp == NULL) {
75 		return (HXGE_ERROR);
76 	}
77 
78 	ldgp = hxgep->ldgvp->ldgp;
79 	ldvp = hxgep->ldgvp->ldvp;
80 	if (ldgp == NULL || ldvp == NULL) {
81 		return (HXGE_ERROR);
82 	}
83 
84 	handle = HXGE_DEV_HPI_HANDLE(hxgep);
85 
86 	for (i = 0; i < hxgep->ldgvp->ldg_intrs; i++, ldgp++) {
87 		HXGE_DEBUG_MSG((hxgep, INT_CTL, "==> hxge_fzc_intr_ldg_num_set "
88 		    "<== hxge_f(Hydra): # ldv %d in group %d", ldgp->nldvs,
89 		    ldgp->ldg));
90 
91 		for (j = 0; j < ldgp->nldvs; j++, ldvp++) {
92 			rs = hpi_fzc_ldg_num_set(handle, ldvp->ldv,
93 			    ldvp->ldg_assigned);
94 			if (rs != HPI_SUCCESS) {
95 				HXGE_DEBUG_MSG((hxgep, INT_CTL,
96 				    "<== hxge_fzc_intr_ldg_num_set failed "
97 				    " rs 0x%x ldv %d ldg %d",
98 				    rs, ldvp->ldv, ldvp->ldg_assigned));
99 				return (HXGE_ERROR | rs);
100 			}
101 			HXGE_DEBUG_MSG((hxgep, INT_CTL,
102 			    "<== hxge_fzc_intr_ldg_num_set OK ldv %d ldg %d",
103 			    ldvp->ldv, ldvp->ldg_assigned));
104 		}
105 	}
106 
107 	HXGE_DEBUG_MSG((hxgep, INT_CTL, "<== hxge_fzc_intr_ldg_num_set"));
108 	return (HXGE_OK);
109 }
110 
111 hxge_status_t
112 hxge_fzc_intr_tmres_set(p_hxge_t hxgep)
113 {
114 	hpi_handle_t	handle;
115 	hpi_status_t	rs = HPI_SUCCESS;
116 
117 	HXGE_DEBUG_MSG((hxgep, INT_CTL, "==> hxge_fzc_intr_tmrese_set"));
118 	if (hxgep->ldgvp == NULL) {
119 		return (HXGE_ERROR);
120 	}
121 
122 	handle = HXGE_DEV_HPI_HANDLE(hxgep);
123 	if ((rs = hpi_fzc_ldg_timer_res_set(handle, hxgep->ldgvp->tmres))) {
124 		return (HXGE_ERROR | rs);
125 	}
126 
127 	HXGE_DEBUG_MSG((hxgep, INT_CTL, "<== hxge_fzc_intr_tmrese_set"));
128 	return (HXGE_OK);
129 }
130 
131 hxge_status_t
132 hxge_fzc_intr_sid_set(p_hxge_t hxgep)
133 {
134 	hpi_handle_t	handle;
135 	p_hxge_ldg_t	ldgp;
136 	fzc_sid_t	sid;
137 	int		i;
138 	hpi_status_t	rs = HPI_SUCCESS;
139 
140 	HXGE_DEBUG_MSG((hxgep, INT_CTL, "==> hxge_fzc_intr_sid_set"));
141 	if (hxgep->ldgvp == NULL) {
142 		HXGE_DEBUG_MSG((hxgep, INT_CTL,
143 		    "<== hxge_fzc_intr_sid_set: no ldg"));
144 		return (HXGE_ERROR);
145 	}
146 
147 	handle = HXGE_DEV_HPI_HANDLE(hxgep);
148 	ldgp = hxgep->ldgvp->ldgp;
149 	HXGE_DEBUG_MSG((hxgep, INT_CTL,
150 	    "==> hxge_fzc_intr_sid_set: #int %d", hxgep->ldgvp->ldg_intrs));
151 	for (i = 0; i < hxgep->ldgvp->ldg_intrs; i++, ldgp++) {
152 		sid.ldg = ldgp->ldg;
153 		sid.vector = ldgp->vector;
154 		HXGE_DEBUG_MSG((hxgep, INT_CTL,
155 		    "==> hxge_fzc_intr_sid_set(%d): group %d vector %d",
156 		    i, sid.ldg, sid.vector));
157 		rs = hpi_fzc_sid_set(handle, sid);
158 		if (rs != HPI_SUCCESS) {
159 			HXGE_DEBUG_MSG((hxgep, INT_CTL,
160 			    "<== hxge_fzc_intr_sid_set:failed 0x%x", rs));
161 			return (HXGE_ERROR | rs);
162 		}
163 	}
164 
165 	HXGE_DEBUG_MSG((hxgep, INT_CTL, "<== hxge_fzc_intr_sid_set"));
166 	return (HXGE_OK);
167 }
168 
169 /*
170  * Receive DMA registers that are under function zero management.
171  */
172 /*ARGSUSED*/
173 hxge_status_t
174 hxge_init_fzc_rxdma_channel(p_hxge_t hxgep, uint16_t channel,
175 	p_rx_rbr_ring_t rbr_p, p_rx_rcr_ring_t rcr_p, p_rx_mbox_t mbox_p)
176 {
177 	hxge_status_t status = HXGE_OK;
178 
179 	HXGE_DEBUG_MSG((hxgep, RX_CTL, "==> hxge_init_fzc_rxdma_channel"));
180 
181 	/* Initialize the RXDMA logical pages */
182 	status = hxge_init_fzc_rxdma_channel_pages(hxgep, channel, rbr_p);
183 	if (status != HXGE_OK)
184 		return (status);
185 
186 	HXGE_DEBUG_MSG((hxgep, RX_CTL, "<== hxge_init_fzc_rxdma_channel"));
187 	return (status);
188 }
189 
190 /*ARGSUSED*/
191 hxge_status_t
192 hxge_init_fzc_rxdma_channel_pages(p_hxge_t hxgep,
193 	uint16_t channel, p_rx_rbr_ring_t rbrp)
194 {
195 	hpi_handle_t handle;
196 	hpi_status_t rs = HPI_SUCCESS;
197 
198 	HXGE_DEBUG_MSG((hxgep, DMA_CTL,
199 	    "==> hxge_init_fzc_rxdma_channel_pages"));
200 
201 	handle = HXGE_DEV_HPI_HANDLE(hxgep);
202 
203 	/* Initialize the page handle */
204 	rs = hpi_rxdma_cfg_logical_page_handle(handle, channel,
205 	    rbrp->page_hdl.bits.handle);
206 	if (rs != HPI_SUCCESS)
207 		return (HXGE_ERROR | rs);
208 
209 	HXGE_DEBUG_MSG((hxgep, DMA_CTL,
210 	    "<== hxge_init_fzc_rxdma_channel_pages"));
211 	return (HXGE_OK);
212 }
213 
214 /*ARGSUSED*/
215 hxge_status_t
216 hxge_init_fzc_txdma_channel(p_hxge_t hxgep, uint16_t channel,
217 	p_tx_ring_t tx_ring_p, p_tx_mbox_t mbox_p)
218 {
219 	hxge_status_t status = HXGE_OK;
220 
221 	HXGE_DEBUG_MSG((hxgep, DMA_CTL, "==> hxge_init_fzc_txdma_channel"));
222 
223 	/* Initialize the TXDMA logical pages */
224 	(void) hxge_init_fzc_txdma_channel_pages(hxgep, channel, tx_ring_p);
225 
226 	HXGE_DEBUG_MSG((hxgep, DMA_CTL, "<== hxge_init_fzc_txdma_channel"));
227 	return (status);
228 }
229 
230 hxge_status_t
231 hxge_init_fzc_rx_common(p_hxge_t hxgep)
232 {
233 	hpi_handle_t	handle;
234 	hpi_status_t	rs = HPI_SUCCESS;
235 	hxge_status_t	status = HXGE_OK;
236 
237 	HXGE_DEBUG_MSG((hxgep, DMA_CTL, "==> hxge_init_fzc_rx_common"));
238 	handle = HXGE_DEV_HPI_HANDLE(hxgep);
239 
240 	/*
241 	 * Configure the rxdma clock divider
242 	 * This is the granularity counter based on
243 	 * the hardware system clock (i.e. 300 Mhz) and
244 	 * it is running around 3 nanoseconds.
245 	 * So, set the clock divider counter to 1000 to get
246 	 * microsecond granularity.
247 	 * For example, for a 3 microsecond timeout, the timeout
248 	 * will be set to 1.
249 	 */
250 	rs = hpi_rxdma_cfg_clock_div_set(handle, RXDMA_CK_DIV_DEFAULT);
251 	if (rs != HPI_SUCCESS)
252 		return (HXGE_ERROR | rs);
253 
254 	HXGE_DEBUG_MSG((hxgep, DMA_CTL,
255 	    "<== hxge_init_fzc_rx_common:status 0x%08x", status));
256 	return (status);
257 }
258 
259 hxge_status_t
260 hxge_init_fzc_txdma_channel_pages(p_hxge_t hxgep, uint16_t channel,
261 	p_tx_ring_t tx_ring_p)
262 {
263 	hpi_handle_t		handle;
264 	hpi_status_t		rs = HPI_SUCCESS;
265 
266 	HXGE_DEBUG_MSG((hxgep, DMA_CTL,
267 	    "==> hxge_init_fzc_txdma_channel_pages"));
268 
269 	handle = HXGE_DEV_HPI_HANDLE(hxgep);
270 
271 	/* Initialize the page handle */
272 	rs = hpi_txdma_log_page_handle_set(handle, channel,
273 	    &tx_ring_p->page_hdl);
274 
275 	if (rs == HPI_SUCCESS)
276 		return (HXGE_OK);
277 	else
278 		return (HXGE_ERROR | rs);
279 }
280 
281 hxge_status_t
282 hxge_fzc_sys_err_mask_set(p_hxge_t hxgep, boolean_t mask)
283 {
284 	hpi_status_t	rs = HPI_SUCCESS;
285 	hpi_handle_t	handle;
286 
287 	handle = HXGE_DEV_HPI_HANDLE(hxgep);
288 	rs = hpi_fzc_sys_err_mask_set(handle, mask);
289 	if (rs == HPI_SUCCESS)
290 		return (HXGE_OK);
291 	else
292 		return (HXGE_ERROR | rs);
293 }
294