Cross Reference: /drivers/misc/cxl/context.c

Lines Matching refs:ctx
37 int cxl_context_init(struct cxl_context *ctx, struct cxl_afu *afu, bool master)
41 	spin_lock_init(&ctx->sste_lock);
42 	ctx->afu = afu;
43 	ctx->master = master;
44 	ctx->pid = NULL; /* Set in start work ioctl */
53 	i = cxl_alloc_sst(ctx);
57 	INIT_WORK(&ctx->fault_work, cxl_handle_fault);
59 	init_waitqueue_head(&ctx->wq);
60 	spin_lock_init(&ctx->lock);
62 	ctx->irq_bitmap = NULL;
63 	ctx->pending_irq = false;
64 	ctx->pending_fault = false;
65 	ctx->pending_afu_err = false;
75 		ctx->irqs.range[i] = 0;
77 	mutex_init(&ctx->status_mutex);
79 	ctx->status = OPENED;
87 	i = idr_alloc(&ctx->afu->contexts_idr, ctx, 0,
88 		      ctx->afu->num_procs, GFP_NOWAIT);
94 	ctx->pe = i;
95 	ctx->elem = &ctx->afu->spa[i];
96 	ctx->pe_inserted = false;
103 int cxl_context_iomap(struct cxl_context *ctx, struct vm_area_struct *vma)
106 	len = min(len, ctx->psn_size);
108 	if (ctx->afu->current_mode == CXL_MODE_DEDICATED) {
110 		return vm_iomap_memory(vma, ctx->afu->psn_phys, ctx->afu->adapter->ps_size);
114 	if ((ctx->master && !ctx->afu->psa) || (!ctx->afu->pp_psa)) {
120 	if (!ctx->afu->enabled)
124 		 ctx->psn_phys, ctx->pe , ctx->master);
127 	return vm_iomap_memory(vma, ctx->psn_phys, len);
133  * hardware should no longer access *ctx after this has returned.
135 static void __detach_context(struct cxl_context *ctx)
139 	mutex_lock(&ctx->status_mutex);
140 	status = ctx->status;
141 	ctx->status = CLOSED;
142 	mutex_unlock(&ctx->status_mutex);
146 	WARN_ON(cxl_detach_process(ctx));
147 	afu_release_irqs(ctx);
148 	flush_work(&ctx->fault_work); /* Only needed for dedicated process */
149 	wake_up_all(&ctx->wq);
158 void cxl_context_detach(struct cxl_context *ctx)
160 	__detach_context(ctx);
168 	struct cxl_context *ctx;
172 	idr_for_each_entry(&afu->contexts_idr, ctx, tmp)
177 		__detach_context(ctx);
181 void cxl_context_free(struct cxl_context *ctx)
183 	spin_lock(&ctx->afu->contexts_lock);
184 	idr_remove(&ctx->afu->contexts_idr, ctx->pe);
185 	spin_unlock(&ctx->afu->contexts_lock);
188 	free_page((u64)ctx->sstp);
189 	ctx->sstp = NULL;
191 	put_pid(ctx->pid);
192 	kfree(ctx);