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cxl: Move common code away from bare-metal-specific files

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Move around some functions which will be accessed from the bare-metal
and guest environments.
Code in native.c and pci.c is meant to be bare-metal specific.
Other files contain code which may be shared with guests.

Co-authored-by: Frederic Barrat <fbarrat@linux.vnet.ibm.com>
Signed-off-by: Frederic Barrat <fbarrat@linux.vnet.ibm.com>
Signed-off-by: Christophe Lombard <clombard@linux.vnet.ibm.com>
Reviewed-by: Manoj Kumar <manoj@linux.vnet.ibm.com>
Acked-by: Ian Munsie <imunsie@au1.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
This commit is contained in:
Christophe Lombard
2016-03-04 12:26:25 +01:00
committed by Michael Ellerman
parent 949e9b827e
commit 8633186209
5 changed files with 84 additions and 75 deletions
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48
drivers/misc/cxl/pci.c
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@@ -604,7 +604,7 @@ static void cxl_unmap_slice_regs(struct cxl_afu *afu)
}
}
static void cxl_release_afu(struct device *dev)
void cxl_release_afu(struct device *dev)
{
struct cxl_afu *afu = to_cxl_afu(dev);
@@ -616,28 +616,6 @@ static void cxl_release_afu(struct device *dev)
kfree(afu);
}
static struct cxl_afu *cxl_alloc_afu(struct cxl *adapter, int slice)
{
struct cxl_afu *afu;
if (!(afu = kzalloc(sizeof(struct cxl_afu), GFP_KERNEL)))
return NULL;
afu->adapter = adapter;
afu->dev.parent = &adapter->dev;
afu->dev.release = cxl_release_afu;
afu->slice = slice;
idr_init(&afu->contexts_idr);
mutex_init(&afu->contexts_lock);
spin_lock_init(&afu->afu_cntl_lock);
mutex_init(&afu->spa_mutex);
afu->prefault_mode = CXL_PREFAULT_NONE;
afu->irqs_max = afu->adapter->user_irqs;
return afu;
}
/* Expects AFU struct to have recently been zeroed out */
static int cxl_read_afu_descriptor(struct cxl_afu *afu)
{
@@ -1105,30 +1083,6 @@ static void cxl_release_adapter(struct device *dev)
kfree(adapter);
}
static struct cxl *cxl_alloc_adapter(void)
{
struct cxl *adapter;
if (!(adapter = kzalloc(sizeof(struct cxl), GFP_KERNEL)))
return NULL;
spin_lock_init(&adapter->afu_list_lock);
if (cxl_alloc_adapter_nr(adapter))
goto err1;
if (dev_set_name(&adapter->dev, "card%i", adapter->adapter_num))
goto err2;
return adapter;
err2:
cxl_remove_adapter_nr(adapter);
err1:
kfree(adapter);
return NULL;
}
#define CXL_PSL_ErrIVTE_tberror (0x1ull << (63-31))
static int sanitise_adapter_regs(struct cxl *adapter)