xref: /freebsd/sys/dev/qat/qat_api/common/include/lac_sal.h (revision 59c8e88e72633afbc47a4ace0d2170d00d51f7dc)
1 /* SPDX-License-Identifier: BSD-3-Clause */
2 /* Copyright(c) 2007-2022 Intel Corporation */
3 /**
4  *****************************************************************************
5  * @file lac_sal.h
6  *
7  * @defgroup SalCtrl Service Access Layer Controller
8  *
9  * @ingroup SalCtrl
10  *
11  * @description
12  *      These functions are the functions to be executed for each state
13  *      of the state machine for each service.
14  *
15  *****************************************************************************/
16 
17 #ifndef LAC_SAL_H
18 #define LAC_SAL_H
19 
20 #include "cpa_cy_im.h"
21 
22 /**
23 *******************************************************************************
24  * @ingroup SalCtrl
25  * @description
26  *      This function allocates memory for a specific instance type.
27  *      Zeros this memory and sets the generic service section of
28  *      the instance memory.
29  *
30  * @context
31  *      This function is called from the generic services init.
32  *
33  * @assumptions
34  *      None
35  * @sideEffects
36  *      None
37  * @reentrant
38  *      No
39  * @threadSafe
40  *      Yes
41  *
42  * @param[in]  service         The type of the service to be created
43  *                             (e.g. CRYPTO)
44  * @param[in]  instance_num    The logical instance number which will
45  *                             run the service
46  * @param[out] pObj            Pointer to specific service instance memory
47  * @retVal CPA_STATUS_SUCCESS  Instance memory successfully allocated
48  * @retVal CPA_STATUS_RESOURCE Instance memory not successfully allocated
49  * @retVal CPA_STATUS_FAIL     Unsupported service type
50  *
51  *****************************************************************************/
52 CpaStatus SalCtrl_ServiceCreate(sal_service_type_t service,
53 				Cpa32U instance_num,
54 				sal_service_t **pObj);
55 
56 /******************************************************************************
57  * @ingroup SalCtl
58  * @description
59  *      This macro goes through the 'list' passed in as a parameter. For each
60  *      element found in the list, it peforms a cast to the type of the element
61  *      given by the 'type' parameter. Finally, it calls the function given by
62  *      the 'function' parameter, passing itself and the device as parameters.
63  *
64  *      In case of error (i.e. 'function' does not return _SUCCESS or _RETRY)
65  *      processing of the 'list' elements will stop and the status_ret will be
66  *      updated.
67  *
68  *      In case of _RETRY status_ret will be updated but the 'list'
69  *      will continue to be processed. _RETRY is only expected when
70  *      'function' is stop.
71  *
72  * @context
73  *      This macro is used by both the service and qat event handlers.
74  *
75  * @assumptions
76  *      None
77  * @sideEffects
78  *      None
79  *
80  * @param[in]  list             The list of services or qats as a type of list_t
81  * @param[in]  type             It identifies the type of the object inside the
82  *                              list: service or qat
83  * @param[in]  device           The ADF accelerator handle for the device
84  * @param[in]  function         The function pointer to call
85  * @param[in/out] status_ret    If an error occurred (i.e. status returned from
86  *                              function is not _SUCCESS) then status_ret is
87  *                              overwritten with status returned from function.
88  *
89  *****************************************************************************/
90 #define SAL_FOR_EACH(list, type, device, function, status_ret)                 \
91 	do {                                                                   \
92 		sal_list_t *curr_element = list;                               \
93 		CpaStatus status_temp = CPA_STATUS_SUCCESS;                    \
94 		typeof(type) *process = NULL;                                  \
95 		while (NULL != curr_element) {                                 \
96 			process =                                              \
97 			    (typeof(type) *)SalList_getObject(curr_element);   \
98 			status_temp = process->function(device, process);      \
99 			if ((CPA_STATUS_SUCCESS != status_temp) &&             \
100 			    (CPA_STATUS_RETRY != status_temp)) {               \
101 				status_ret = status_temp;                      \
102 				break;                                         \
103 			} else {                                               \
104 				if (CPA_STATUS_RETRY == status_temp) {         \
105 					status_ret = status_temp;              \
106 				}                                              \
107 			}                                                      \
108 			curr_element = SalList_next(curr_element);             \
109 		}                                                              \
110 	} while (0)
111 
112 /**
113 *******************************************************************************
114  * @ingroup SalCtl
115  * @description
116  *      This macro goes through the 'list' passed in as a parameter. For each
117  *      element found in the list, it peforms a cast to the type of the element
118  *      given by the 'type' parameter. Finally, it checks the state of the
119  *      element and if it is in state 'state_check' then it calls the
120  *      function given by the 'function' parameter, passing itself
121  *      and the device as parameters.
122  *      If the element is not in 'state_check' it returns from the macro.
123  *
124  *      In case of error (i.e. 'function' does not return _SUCCESS)
125  *      processing of the 'list' elements will continue.
126  *
127  * @context
128  *      This macro is used by both the service and qat event handlers.
129  *
130  * @assumptions
131  *      None
132  * @sideEffects
133  *      None
134  *
135  * @param[in]  list             The list of services or qats as a type of list_t
136  * @param[in]  type             It identifies the type of the object
137  *                              inside the list: service or qat
138  * @param[in]  device           The ADF accelerator handle for the device
139  * @param[in]  function         The function pointer to call
140  * @param[in]  state_check      The state to check for
141  *
142  *****************************************************************************/
143 #define SAL_FOR_EACH_STATE(list, type, device, function, state_check)          \
144 	do {                                                                   \
145 		sal_list_t *curr_element = list;                               \
146 		typeof(type) *process = NULL;                                  \
147 		while (NULL != curr_element) {                                 \
148 			process =                                              \
149 			    (typeof(type) *)SalList_getObject(curr_element);   \
150 			if (process->state == state_check) {                   \
151 				process->function(device, process);            \
152 			} else {                                               \
153 				break;                                         \
154 			}                                                      \
155 			curr_element = SalList_next(curr_element);             \
156 		}                                                              \
157 	} while (0)
158 
159 /*************************************************************************
160  * @ingroup SalCtrl
161  * @description
162  *      This function is used to initialize an instance of crypto service.
163  *   It creates a crypto instance's memory pools. It calls ADF to create
164  *   its required transport handles. It calls the sub crypto service init
165  *   functions. Resets the stats.
166  *
167  * @context
168  *    This function is called from the SalCtrl_ServiceEventInit function.
169  *
170  * @assumptions
171  *      None
172  * @sideEffects
173  *      None
174  * @reentrant
175  *      No
176  * @threadSafe
177  *      No (ADF ensures that this function doesn't need to be thread safe)
178  *
179  * @param[in] device    An icp_accel_dev_t* type
180  * @param[in] service   A crypto instance
181  *
182  *************************************************************************/
183 CpaStatus SalCtrl_CryptoInit(icp_accel_dev_t *device, sal_service_t *service);
184 
185 /*************************************************************************
186  * @ingroup SalCtrl
187  * @description
188  *      This function is used to start an instance of crypto service.
189  *  It sends the first messages to FW on its crypto instance transport
190  *  handles. For asymmetric crypto it verifies the header on the downloaded
191  *  MMP library.
192  *
193  * @context
194  *    This function is called from the SalCtrl_ServiceEventStart function.
195  *
196  * @assumptions
197  *      None
198  * @sideEffects
199  *      None
200  * @reentrant
201  *      No
202  * @threadSafe
203  *      No (ADF ensures that this function doesn't need to be thread safe)
204  *
205  * @param[in] device    An icp_accel_dev_t* type
206  * @param[in] service   A crypto instance
207  *
208  *************************************************************************/
209 CpaStatus SalCtrl_CryptoStart(icp_accel_dev_t *device, sal_service_t *service);
210 
211 /*************************************************************************
212  * @ingroup SalCtrl
213  * @description
214  *      This function is used to stop an instance of crypto service.
215  *  It checks for inflight messages to the FW. If no messages are pending
216  * it returns success. If messages are pending it returns retry.
217  *
218  * @context
219  *    This function is called from the SalCtrl_ServiceEventStop function.
220  *
221  * @assumptions
222  *      None
223  * @sideEffects
224  *      None
225  * @reentrant
226  *      No
227  * @threadSafe
228  *      No (ADF ensures that this function doesn't need to be thread safe)
229  *
230  * @param[in] device    An icp_accel_dev_t* type
231  * @param[in] service   A crypto instance
232  *
233  *************************************************************************/
234 CpaStatus SalCtrl_CryptoStop(icp_accel_dev_t *device, sal_service_t *service);
235 
236 /*************************************************************************
237  * @ingroup SalCtrl
238  * @description
239  *      This function is used to shutdown an instance of crypto service.
240  *  It frees resources allocated at initialisation - e.g. frees the
241  *  memory pools and ADF transport handles.
242  *
243  * @context
244  *    This function is called from the SalCtrl_ServiceEventShutdown function.
245  *
246  * @assumptions
247  *      None
248  * @sideEffects
249  *      None
250  * @reentrant
251  *      No
252  * @threadSafe
253  *      No (ADF ensures that this function doesn't need to be thread safe)
254  *
255  * @param[in] device    An icp_accel_dev_t* type
256  * @param[in] service   A crypto instance
257  *
258  *************************************************************************/
259 CpaStatus SalCtrl_CryptoShutdown(icp_accel_dev_t *device,
260 				 sal_service_t *service);
261 
262 /*************************************************************************
263  * @ingroup SalCtrl
264  * @description
265  *      This function sets the capability info of crypto instances.
266  *
267  * @context
268  *    This function is called from the cpaCyQueryCapabilities and
269  *    LacSymSession_ParamCheck function.
270  *
271  * @assumptions
272  *      None
273  * @sideEffects
274  *      None
275  * @reentrant
276  *      No
277  * @threadSafe
278  *      No (ADF ensures that this function doesn't need to be thread safe)
279  *
280  * @param[in] service            A sal_service_t* type
281  * @param[in] cyCapabilityInfo   A CpaCyCapabilitiesInfo* type
282  *
283  *************************************************************************/
284 void SalCtrl_CyQueryCapabilities(sal_service_t *pGenericService,
285 				 CpaCyCapabilitiesInfo *pCapInfo);
286 
287 /*************************************************************************
288  * @ingroup SalCtrl
289  * @description
290  *      This function is used to initialize an instance of compression service.
291  *   It creates a compression instance's memory pools. It calls ADF to create
292  *   its required transport handles. It zeros an instances stats.
293  *
294  * @context
295  *    This function is called from the SalCtrl_ServiceEventInit function.
296  *
297  * @assumptions
298  *      None
299  * @sideEffects
300  *      None
301  * @reentrant
302  *      No
303  * @threadSafe
304  *      No (ADF ensures that this function doesn't need to be thread safe)
305  *
306  * @param[in] device    An icp_accel_dev_t* type
307  * @param[in] service   A compression instance
308  *
309  *************************************************************************/
310 
311 CpaStatus SalCtrl_CompressionInit(icp_accel_dev_t *device,
312 				  sal_service_t *service);
313 
314 /*************************************************************************
315  * @ingroup SalCtrl
316  * @description
317  *      This function is used to start an instance of compression service.
318  *
319  * @context
320  *    This function is called from the SalCtrl_ServiceEventStart function.
321  *
322  * @assumptions
323  *      None
324  * @sideEffects
325  *      None
326  * @reentrant
327  *      No
328  * @threadSafe
329  *      No (ADF ensures that this function doesn't need to be thread safe)
330  *
331  * @param[in] device    An icp_accel_dev_t* type
332  * @param[in] service   A compression instance
333  *
334  *************************************************************************/
335 
336 CpaStatus SalCtrl_CompressionStart(icp_accel_dev_t *device,
337 				   sal_service_t *service);
338 
339 /*************************************************************************
340  * @ingroup SalCtrl
341  * @description
342  *      This function is used to stop an instance of compression service.
343  *  It checks for inflight messages to the FW. If no messages are pending
344  * it returns success. If messages are pending it returns retry.
345  *
346  * @context
347  *    This function is called from the SalCtrl_ServiceEventStop function.
348  *
349  * @assumptions
350  *      None
351  * @sideEffects
352  *      None
353  * @reentrant
354  *      No
355  * @threadSafe
356  *      No (ADF ensures that this function doesn't need to be thread safe)
357  *
358  * @param[in] device    An icp_accel_dev_t* type
359  * @param[in] service   A compression instance
360  *
361  *************************************************************************/
362 
363 CpaStatus SalCtrl_CompressionStop(icp_accel_dev_t *device,
364 				  sal_service_t *service);
365 
366 /*************************************************************************
367  * @ingroup SalCtrl
368  * @description
369  *      This function is used to shutdown an instance of compression service.
370  *  It frees resources allocated at initialisation - e.g. frees the
371  *  memory pools and ADF transport handles.
372  *
373  * @context
374  *    This function is called from the SalCtrl_ServiceEventShutdown function.
375  *
376  * @assumptions
377  *      None
378  * @sideEffects
379  *      None
380  * @reentrant
381  *      No
382  * @threadSafe
383  *      No (ADF ensures that this function doesn't need to be thread safe)
384  *
385  * @param[in] device    An icp_accel_dev_t* type
386  * @param[in] service   A compression instance
387  *
388  *************************************************************************/
389 
390 CpaStatus SalCtrl_CompressionShutdown(icp_accel_dev_t *device,
391 				      sal_service_t *service);
392 
393 /*************************************************************************
394  * @ingroup SalCtrl
395  * @description
396  *    This function is used to get the number of services enabled
397  *    from the config table.
398  *
399  * @context
400  *    This function is called from the SalCtrl_QatInit
401  *
402  * @assumptions
403  *      None
404  * @sideEffects
405  *      None
406  * @reentrant
407  *      No
408  * @threadSafe
409  *      No
410  *
411  * param[in] device            An icp_accel_dev_t* type
412  * param[in] pEnabledServices  pointer to a variable used to store
413  *                             the enabled services
414  *
415  *************************************************************************/
416 
417 CpaStatus SalCtrl_GetEnabledServices(icp_accel_dev_t *device,
418 				     Cpa32U *pEnabledServices);
419 
420 /*************************************************************************
421  * @ingroup SalCtrl
422  * @description
423  *    This function is used to check if a service is enabled
424  *
425  * @context
426  *    This function is called from the SalCtrl_QatInit
427  *
428  * @assumptions
429  *      None
430  * @sideEffects
431  *      None
432  * @reentrant
433  *      No
434  * @threadSafe
435  *      Yes
436  *
437  * param[in] enabled_services
438  * param[in] service
439  *
440  *************************************************************************/
441 
442 CpaBoolean SalCtrl_IsServiceEnabled(Cpa32U enabled_services,
443 				    sal_service_type_t service);
444 
445 /*************************************************************************
446  * @ingroup SalCtrl
447  * @description
448  *    This function is used to check if a service is supported on the device
449  *    The key difference between this and SalCtrl_GetSupportedServices() is
450  *    that the latter treats it as an error if the service is unsupported.
451  *
452  * @context
453  *      This can be called anywhere.
454  *
455  * @assumptions
456  *      None
457  * @sideEffects
458  *      None
459  * @reentrant
460  *      No
461  * @threadSafe
462  *      Yes
463  *
464  * param[in] device
465  * param[in] service    service or services to check
466  *
467  *************************************************************************/
468 CpaBoolean SalCtrl_IsServiceSupported(icp_accel_dev_t *device,
469 				      sal_service_type_t service);
470 
471 /*************************************************************************
472  * @ingroup SalCtrl
473  * @description
474  *    This function is used to check whether enabled services has associated
475  *    hardware capability support
476  *
477  * @context
478  *      This functions is called from the SalCtrl_ServiceEventInit function.
479  *
480  * @assumptions
481  *      None
482  * @sideEffects
483  *      None
484  * @reentrant
485  *      No
486  * @threadSafe
487  *      Yes
488  *
489  * param[in] device              A pointer to an icp_accel_dev_t
490  * param[in] enabled_services    It is the bitmask for the enabled services
491  *************************************************************************/
492 
493 CpaStatus SalCtrl_GetSupportedServices(icp_accel_dev_t *device,
494 				       Cpa32U enabled_services);
495 
496 #endif
497