55  * Send Context functions
74 /* global control of PIO send */
131 /* number of send context memory pools */
134 /* Send Context Size (SCS) wildcards */
138 /* Send Context Count (SCC) wildcards */
143 /* Send Context Size (SCS) constants */
151 /* default send context sizes */
164 /* send context memory pool configuration */
219  * Read the send context memory pool configuration and send context
221  * counts and sizes for the send context types.
276 				"Send context memory pool %d: both the block count and centipercent are invalid\n",  in init_sc_pools_and_sizes()
289 …"All send context memory pools must be described as either centipercent or blocks, no mixing betwe…  in init_sc_pools_and_sizes()
297 			"Send context memory pool centipercent is %d, expecting 10000\n",  in init_sc_pools_and_sizes()
306 			"Send context memory pool absolute block count %d is larger than the memory size %d\n",  in init_sc_pools_and_sizes()
339 				"%s send context invalid count wildcard %d\n",  in init_sc_pools_and_sizes()
362 				"%s send context invalid pool wildcard %d\n",  in init_sc_pools_and_sizes()
373 			"Send context fixed block count, %u, larger than total block count %u\n",  in init_sc_pools_and_sizes()
383 			"Send context fixed pool sizes, %u, larger than pool block count %u\n",  in init_sc_pools_and_sizes()
400 				"Send context memory pool %d has %u contexts, but no blocks\n",  in init_sc_pools_and_sizes()
409 					"Send context memory pool %d has %u blocks, but zero contexts\n",  in init_sc_pools_and_sizes()
436 		dd_dev_info(dd, "unused send context blocks: %d\n", extra);  in init_sc_pools_and_sizes()
462 	/* hardware context map starts with invalid send context indices */  in init_send_contexts()
467 	 * All send contexts have their credit sizes.  Allocate credits  in init_send_contexts()
514 	dd_dev_err(dd, "Unable to locate a free type %d send context\n", type);  in sc_hw_alloc()
519  * Free the send context given by its software index.
554  *   send context, per NUMA.
555  * o Each send context always looks in its relative location in a struct
557  * o Each send context in a group must have its return address CSR programmed
558  *   with the same value.  Use the address of the first send context in the
584  * Calculate PIO block threshold for this send context using the given MTU.
661  * Set the CHECK_ENABLE register for the send context 'sc'.
693  * Allocate a NUMA relative send context structure of the given type along
759 /* PIO Send Memory Address details */  in sc_alloc()
792 	/* set the send context check opcode mask and value */  in sc_alloc()
833 	/* User send contexts should not allow sending on VL15 */  in sc_alloc()
865 		  "Send context %u(%u) %s group %u credits %u credit_ctrl 0x%llx threshold %u\n",  in sc_alloc()
877 /* free a per-NUMA send context structure */
988 /* is the send context halted? */
997  * @sc: valid send context
1082 	dd_dev_info(dd, "restarting send context %u(%u)\n", sc->sw_index,  in sc_restart()
1135 	 * This is done while disabling the send context  in sc_restart()
1147 	 * This enable will clear the halted flag and per-send context  in sc_restart()
1155  * Go through all frozen send contexts and disable them.  The contexts are
1166 		 * Don't disable unallocated, unfrozen, or user send contexts.  in pio_freeze()
1167 		 * User send contexts will be disabled when the process  in pio_freeze()
1179  * Unfreeze PIO for kernel send contexts.  The precondition for calling this
1180  * is that all PIO send contexts have been disabled and the SPC freeze has
1202  * pio_kernel_linkup() - Re-enable send contexts after linkup event
1206  * event is different from a freeze because if the send context is re-enabled
1254  * Reset all of the send contexts to their power-on state.  Used
1277 			   "PIO send context init %s while initializing all PIO blocks\n",  in pio_reset_all()
1439  * The send context buffer "allocator".
1441  * @sc: the PIO send context we are allocating from
1603  * @sc: the send context
1672 /* translate a send credit update to a bit code of reasons */
1694  * The send context buffer "releaser".
1750  * Send context group releaser.  Argument is the send context that caused
1751  * the interrupt.  Called from the send context interrupt handler.
1792  * pio_select_send_context_vl() - select send context
1797  * This function returns a send context based on the selector and a vl.
1810 	 * Default will return VL0's send context below  in pio_select_send_context_vl()
1833  * pio_select_send_context_sc() - select send context
1838  * This function returns an send context based on the selector and an sc
1871  * Set credit return threshold for the kernel send context
1890  * @vl_scontexts: per vl send context mapping (optional)
1894  * vl_scontexts is used to specify a non-uniform vl/send context
1896  * VL an uniform distribution of send contexts per VL.
1899  * send contexts. Any extra send contexts are added from the last VL
1961 			 * assign send contexts and  in pio_map_init()
1972 					/* wrap back to first send context */  in pio_map_init()
2068 		    "Using send context %u(%u) for VL15\n",  in init_pervl_scs()