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path: root/drivers/scsi/cxlflash/cxl_hw.c
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Diffstat (limited to 'drivers/scsi/cxlflash/cxl_hw.c')
-rw-r--r--drivers/scsi/cxlflash/cxl_hw.c177
1 files changed, 0 insertions, 177 deletions
diff --git a/drivers/scsi/cxlflash/cxl_hw.c b/drivers/scsi/cxlflash/cxl_hw.c
deleted file mode 100644
index b814130f3f5c..000000000000
--- a/drivers/scsi/cxlflash/cxl_hw.c
+++ /dev/null
@@ -1,177 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-or-later
-/*
- * CXL Flash Device Driver
- *
- * Written by: Matthew R. Ochs <mrochs@linux.vnet.ibm.com>, IBM Corporation
- * Uma Krishnan <ukrishn@linux.vnet.ibm.com>, IBM Corporation
- *
- * Copyright (C) 2018 IBM Corporation
- */
-
-#include <misc/cxl.h>
-
-#include "backend.h"
-
-/*
- * The following routines map the cxlflash backend operations to existing CXL
- * kernel API function and are largely simple shims that provide an abstraction
- * for converting generic context and AFU cookies into cxl_context or cxl_afu
- * pointers.
- */
-
-static void __iomem *cxlflash_psa_map(void *ctx_cookie)
-{
- return cxl_psa_map(ctx_cookie);
-}
-
-static void cxlflash_psa_unmap(void __iomem *addr)
-{
- cxl_psa_unmap(addr);
-}
-
-static int cxlflash_process_element(void *ctx_cookie)
-{
- return cxl_process_element(ctx_cookie);
-}
-
-static int cxlflash_map_afu_irq(void *ctx_cookie, int num,
- irq_handler_t handler, void *cookie, char *name)
-{
- return cxl_map_afu_irq(ctx_cookie, num, handler, cookie, name);
-}
-
-static void cxlflash_unmap_afu_irq(void *ctx_cookie, int num, void *cookie)
-{
- cxl_unmap_afu_irq(ctx_cookie, num, cookie);
-}
-
-static u64 cxlflash_get_irq_objhndl(void *ctx_cookie, int irq)
-{
- /* Dummy fop for cxl */
- return 0;
-}
-
-static int cxlflash_start_context(void *ctx_cookie)
-{
- return cxl_start_context(ctx_cookie, 0, NULL);
-}
-
-static int cxlflash_stop_context(void *ctx_cookie)
-{
- return cxl_stop_context(ctx_cookie);
-}
-
-static int cxlflash_afu_reset(void *ctx_cookie)
-{
- return cxl_afu_reset(ctx_cookie);
-}
-
-static void cxlflash_set_master(void *ctx_cookie)
-{
- cxl_set_master(ctx_cookie);
-}
-
-static void *cxlflash_get_context(struct pci_dev *dev, void *afu_cookie)
-{
- return cxl_get_context(dev);
-}
-
-static void *cxlflash_dev_context_init(struct pci_dev *dev, void *afu_cookie)
-{
- return cxl_dev_context_init(dev);
-}
-
-static int cxlflash_release_context(void *ctx_cookie)
-{
- return cxl_release_context(ctx_cookie);
-}
-
-static void cxlflash_perst_reloads_same_image(void *afu_cookie, bool image)
-{
- cxl_perst_reloads_same_image(afu_cookie, image);
-}
-
-static ssize_t cxlflash_read_adapter_vpd(struct pci_dev *dev,
- void *buf, size_t count)
-{
- return cxl_read_adapter_vpd(dev, buf, count);
-}
-
-static int cxlflash_allocate_afu_irqs(void *ctx_cookie, int num)
-{
- return cxl_allocate_afu_irqs(ctx_cookie, num);
-}
-
-static void cxlflash_free_afu_irqs(void *ctx_cookie)
-{
- cxl_free_afu_irqs(ctx_cookie);
-}
-
-static void *cxlflash_create_afu(struct pci_dev *dev)
-{
- return cxl_pci_to_afu(dev);
-}
-
-static void cxlflash_destroy_afu(void *afu)
-{
- /* Dummy fop for cxl */
-}
-
-static struct file *cxlflash_get_fd(void *ctx_cookie,
- struct file_operations *fops, int *fd)
-{
- return cxl_get_fd(ctx_cookie, fops, fd);
-}
-
-static void *cxlflash_fops_get_context(struct file *file)
-{
- return cxl_fops_get_context(file);
-}
-
-static int cxlflash_start_work(void *ctx_cookie, u64 irqs)
-{
- struct cxl_ioctl_start_work work = { 0 };
-
- work.num_interrupts = irqs;
- work.flags = CXL_START_WORK_NUM_IRQS;
-
- return cxl_start_work(ctx_cookie, &work);
-}
-
-static int cxlflash_fd_mmap(struct file *file, struct vm_area_struct *vm)
-{
- return cxl_fd_mmap(file, vm);
-}
-
-static int cxlflash_fd_release(struct inode *inode, struct file *file)
-{
- return cxl_fd_release(inode, file);
-}
-
-const struct cxlflash_backend_ops cxlflash_cxl_ops = {
- .module = THIS_MODULE,
- .psa_map = cxlflash_psa_map,
- .psa_unmap = cxlflash_psa_unmap,
- .process_element = cxlflash_process_element,
- .map_afu_irq = cxlflash_map_afu_irq,
- .unmap_afu_irq = cxlflash_unmap_afu_irq,
- .get_irq_objhndl = cxlflash_get_irq_objhndl,
- .start_context = cxlflash_start_context,
- .stop_context = cxlflash_stop_context,
- .afu_reset = cxlflash_afu_reset,
- .set_master = cxlflash_set_master,
- .get_context = cxlflash_get_context,
- .dev_context_init = cxlflash_dev_context_init,
- .release_context = cxlflash_release_context,
- .perst_reloads_same_image = cxlflash_perst_reloads_same_image,
- .read_adapter_vpd = cxlflash_read_adapter_vpd,
- .allocate_afu_irqs = cxlflash_allocate_afu_irqs,
- .free_afu_irqs = cxlflash_free_afu_irqs,
- .create_afu = cxlflash_create_afu,
- .destroy_afu = cxlflash_destroy_afu,
- .get_fd = cxlflash_get_fd,
- .fops_get_context = cxlflash_fops_get_context,
- .start_work = cxlflash_start_work,
- .fd_mmap = cxlflash_fd_mmap,
- .fd_release = cxlflash_fd_release,
-};