mirror of https://gitee.com/openkylin/linux.git
staging: gasket: page table: simplify comments for static functions
Static functions don't need kernel doc formatting, can be simplified. Reformat comments that can be single-line. Remove extraneous text. Signed-off-by: Todd Poynor <toddpoynor@google.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Todd Poynor
Greg Kroah-Hartman
parent
73832cf08f
commit
4808848601
|
|
@ -635,26 +635,8 @@ int gasket_page_table_system_status(struct gasket_page_table *page_table)
|
|||
return GASKET_STATUS_ALIVE;
|
||||
}
|
||||
|
||||
/* Internal functions */
|
||||
|
||||
/* Mapping functions */
|
||||
/*
|
||||
* Allocate and map pages to simple addresses.
|
||||
* @pg_tbl: Gasket page table pointer.
|
||||
* @host_addr: Starting host virtual memory address of the pages.
|
||||
* @dev_addr: Starting device address of the pages.
|
||||
* @cnt: Count of the number of device pages to map.
|
||||
*
|
||||
* Description: gasket_map_simple_pages calls gasket_simple_alloc_pages() to
|
||||
* allocate the page table slots, then calls
|
||||
* gasket_perform_mapping() to actually do the work of mapping the
|
||||
* pages into the the simple page table (device translation table
|
||||
* registers).
|
||||
*
|
||||
* The sd_mutex must be held when gasket_map_simple_pages() is
|
||||
* called.
|
||||
*
|
||||
* Returns 0 if successful or a non-zero error number otherwise.
|
||||
* If there is an error, no pages are mapped.
|
||||
*/
|
||||
static int gasket_map_simple_pages(
|
||||
|
|
@ -685,21 +667,6 @@ static int gasket_map_simple_pages(
|
|||
|
||||
/*
|
||||
* gasket_map_extended_pages - Get and map buffers to extended addresses.
|
||||
* @pg_tbl: Gasket page table pointer.
|
||||
* @host_addr: Starting host virtual memory address of the pages.
|
||||
* @dev_addr: Starting device address of the pages.
|
||||
* @num_pages: The number of device pages to map.
|
||||
*
|
||||
* Description: gasket_map_extended_buffers calls
|
||||
* gasket_alloc_extended_entries() to allocate the page table
|
||||
* slots, then loops over the level 0 page table entries, and for
|
||||
* each calls gasket_perform_mapping() to map the buffers into the
|
||||
* level 1 page table for that level 0 entry.
|
||||
*
|
||||
* The page table mutex must be held when
|
||||
* gasket_map_extended_pages() is called.
|
||||
*
|
||||
* Returns 0 if successful or a non-zero error number otherwise.
|
||||
* If there is an error, no pages are mapped.
|
||||
*/
|
||||
static int gasket_map_extended_pages(
|
||||
|
|
@ -756,32 +723,11 @@ static int gasket_map_extended_pages(
|
|||
|
||||
/*
|
||||
* Get and map last level page table buffers.
|
||||
* @pg_tbl: Gasket page table pointer.
|
||||
* @ptes: Array of page table entries to describe this mapping, one per
|
||||
* page to map.
|
||||
* @slots: Location(s) to write device-mapped page address. If this is a simple
|
||||
* mapping, these will be address translation registers. If this is
|
||||
*
|
||||
* slots is the location(s) to write device-mapped page address. If this is a
|
||||
* simple mapping, these will be address translation registers. If this is
|
||||
* an extended mapping, these will be within a second-level page table
|
||||
* allocated by the host and so must have their __iomem attribute
|
||||
* casted away.
|
||||
* @host_addr: Starting [host] virtual memory address of the buffers.
|
||||
* @num_pages: The number of device pages to map.
|
||||
* @is_simple_mapping: 1 if this is a simple mapping, 0 otherwise.
|
||||
*
|
||||
* Description: gasket_perform_mapping calls get_user_pages() to get pages
|
||||
* of user memory and pin them. It then calls dma_map_page() to
|
||||
* map them for DMA. Finally, the mapped DMA addresses are written
|
||||
* into the page table.
|
||||
*
|
||||
* This function expects that the page table entries are
|
||||
* already allocated. The level argument determines how the
|
||||
* final page table entries are written: either into PCIe memory
|
||||
* mapped space for a level 0 page table or into kernel memory
|
||||
* for a level 1 page table.
|
||||
*
|
||||
* The page pointers are saved for later releasing the pages.
|
||||
*
|
||||
* Returns 0 if successful or a non-zero error number otherwise.
|
||||
* allocated by the host and so must have their __iomem attribute casted away.
|
||||
*/
|
||||
static int gasket_perform_mapping(
|
||||
struct gasket_page_table *pg_tbl, struct gasket_page_table_entry *ptes,
|
||||
|
|
@ -866,21 +812,9 @@ static int gasket_perform_mapping(
|
|||
return 0;
|
||||
}
|
||||
|
||||
/**
|
||||
/*
|
||||
* Allocate page table entries in a simple table.
|
||||
* @pg_tbl: Gasket page table pointer.
|
||||
* @dev_addr: Starting device address for the (eventual) mappings.
|
||||
* @num_pages: Count of pages to be mapped.
|
||||
*
|
||||
* Description: gasket_alloc_simple_entries checks to see if a range of page
|
||||
* table slots are available. As long as the sd_mutex is
|
||||
* held, the slots will be available.
|
||||
*
|
||||
* The page table mutex must be held when
|
||||
* gasket_alloc_simple entries() is called.
|
||||
*
|
||||
* Returns 0 if successful, or non-zero if the requested device
|
||||
* addresses are not available.
|
||||
* The page table mutex must be held by the caller.
|
||||
*/
|
||||
static int gasket_alloc_simple_entries(
|
||||
struct gasket_page_table *pg_tbl, ulong dev_addr, uint num_pages)
|
||||
|
|
@ -893,29 +827,19 @@ static int gasket_alloc_simple_entries(
|
|||
return 0;
|
||||
}
|
||||
|
||||
/**
|
||||
* Allocate slots in an extended page table.
|
||||
* @pg_tbl: Gasket page table pointer.
|
||||
* @dev_addr: Starting device address for the (eventual) mappings.
|
||||
* @num_pages: Count of pages to be mapped.
|
||||
/*
|
||||
* Allocate slots in an extended page table. Check to see if a range of page
|
||||
* table slots are available. If necessary, memory is allocated for second level
|
||||
* page tables.
|
||||
*
|
||||
* Description: gasket_alloc_extended_entries checks to see if a range of page
|
||||
* table slots are available. If necessary, memory is allocated for
|
||||
* second level page tables.
|
||||
* Note that memory for second level page tables is allocated as needed, but
|
||||
* that memory is only freed on the final close of the device file, when the
|
||||
* page tables are repartitioned, or the the device is removed. If there is an
|
||||
* error or if the full range of slots is not available, any memory
|
||||
* allocated for second level page tables remains allocated until final close,
|
||||
* repartition, or device removal.
|
||||
*
|
||||
* Note that memory for second level page tables is allocated
|
||||
* as needed, but that memory is only freed on the final close
|
||||
* of the device file, when the page tables are repartitioned,
|
||||
* or the the device is removed. If there is an error or if
|
||||
* the full range of slots is not available, any memory
|
||||
* allocated for second level page tables remains allocated
|
||||
* until final close, repartition, or device removal.
|
||||
*
|
||||
* The page table mutex must be held when
|
||||
* gasket_alloc_extended_entries() is called.
|
||||
*
|
||||
* Returns 0 if successful, or non-zero if the slots are
|
||||
* not available.
|
||||
* The page table mutex must be held by the caller.
|
||||
*/
|
||||
static int gasket_alloc_extended_entries(
|
||||
struct gasket_page_table *pg_tbl, ulong dev_addr, uint num_entries)
|
||||
|
|
@ -958,21 +882,9 @@ static int gasket_alloc_extended_entries(
|
|||
return 0;
|
||||
}
|
||||
|
||||
/**
|
||||
/*
|
||||
* Allocate a second level page table.
|
||||
* @pg_tbl: Gasket page table pointer.
|
||||
* @pte: Extended page table entry under/for which to allocate a second level.
|
||||
* @slot: [Device] slot corresponding to pte.
|
||||
*
|
||||
* Description: Allocate the memory for a second level page table (subtable) at
|
||||
* the given level 0 entry. Then call dma_map_page() to map the
|
||||
* second level page table for DMA. Finally, write the
|
||||
* mapped DMA address into the device page table.
|
||||
*
|
||||
* The page table mutex must be held when
|
||||
* gasket_alloc_extended_subtable() is called.
|
||||
*
|
||||
* Returns 0 if successful, or a non-zero error otherwise.
|
||||
* The page table mutex must be held by the caller.
|
||||
*/
|
||||
static int gasket_alloc_extended_subtable(
|
||||
struct gasket_page_table *pg_tbl, struct gasket_page_table_entry *pte,
|
||||
|
|
@ -1017,15 +929,9 @@ static int gasket_alloc_extended_subtable(
|
|||
return 0;
|
||||
}
|
||||
|
||||
/* Unmapping functions */
|
||||
/*
|
||||
* Non-locking entry to unmapping routines.
|
||||
* @pg_tbl: Gasket page table structure.
|
||||
* @dev_addr: Starting device address of the pages to unmap.
|
||||
* @num_pages: The number of device pages to unmap.
|
||||
*
|
||||
* Description: Version of gasket_unmap_pages that assumes the page table lock
|
||||
* is held.
|
||||
* The page table mutex must be held by the caller.
|
||||
*/
|
||||
static void gasket_page_table_unmap_nolock(
|
||||
struct gasket_page_table *pg_tbl, ulong dev_addr, uint num_pages)
|
||||
|
|
@ -1041,14 +947,7 @@ static void gasket_page_table_unmap_nolock(
|
|||
|
||||
/*
|
||||
* Unmap and release pages mapped to simple addresses.
|
||||
* @pg_tbl: Gasket page table pointer.
|
||||
* @dev_addr: Starting device address of the buffers.
|
||||
* @num_pages: The number of device pages to unmap.
|
||||
*
|
||||
* Description: gasket_simple_unmap_pages calls gasket_perform_unmapping() to
|
||||
* unmap and release the buffers in the level 0 page table.
|
||||
*
|
||||
* The sd_mutex must be held when gasket_unmap_simple_pages() is called.
|
||||
* The page table mutex must be held by the caller.
|
||||
*/
|
||||
static void gasket_unmap_simple_pages(
|
||||
struct gasket_page_table *pg_tbl, ulong dev_addr, uint num_pages)
|
||||
|
|
@ -1059,20 +958,9 @@ static void gasket_unmap_simple_pages(
|
|||
pg_tbl->base_slot + slot, num_pages, 1);
|
||||
}
|
||||
|
||||
/**
|
||||
/*
|
||||
* Unmap and release buffers to extended addresses.
|
||||
* @pg_tbl: Gasket page table pointer.
|
||||
* @dev_addr: Starting device address of the pages to unmap.
|
||||
* @addr: Starting device address of the buffers.
|
||||
* @num_pages: The number of device pages to unmap.
|
||||
*
|
||||
* Description: gasket_extended_unmap_pages loops over the level 0 page table
|
||||
* entries, and for each calls gasket_perform_unmapping() to unmap
|
||||
* the buffers from the level 1 page [sub]table for that level 0
|
||||
* entry.
|
||||
*
|
||||
* The page table mutex must be held when
|
||||
* gasket_unmap_extended_pages() is called.
|
||||
* The page table mutex must be held by the caller.
|
||||
*/
|
||||
static void gasket_unmap_extended_pages(
|
||||
struct gasket_page_table *pg_tbl, ulong dev_addr, uint num_pages)
|
||||
|
|
@ -1106,28 +994,7 @@ static void gasket_unmap_extended_pages(
|
|||
|
||||
/*
|
||||
* Unmap and release mapped pages.
|
||||
* @pg_tbl: Gasket page table pointer.
|
||||
* @ptes: Array of page table entries to describe the mapped range, one per
|
||||
* page to unmap.
|
||||
* @slots: Device slots corresponding to the mappings described by "ptes".
|
||||
* As with ptes, one element per page to unmap.
|
||||
* If these are simple mappings, these will be address translation
|
||||
* registers. If these are extended mappings, these will be witin a
|
||||
* second-level page table allocated on the host, and so must have
|
||||
* their __iomem attribute casted away.
|
||||
* @num_pages: Number of pages to unmap.
|
||||
* @is_simple_mapping: 1 if this is a simple mapping, 0 otherwise.
|
||||
*
|
||||
* Description: gasket_perform_unmapping() loops through the metadata entries
|
||||
* in a last level page table (simple table or extended subtable),
|
||||
* and for each page:
|
||||
* - Unmaps the page from DMA space (dma_unmap_page),
|
||||
* - Returns the page to the OS (gasket_release_page),
|
||||
* The entry in the page table is written to 0. The metadata
|
||||
* type is set to PTE_FREE and the metadata is all reset
|
||||
* to 0.
|
||||
*
|
||||
* The page table mutex must be held when this function is called.
|
||||
* The page table mutex must be held by the caller.
|
||||
*/
|
||||
static void gasket_perform_unmapping(
|
||||
struct gasket_page_table *pg_tbl, struct gasket_page_table_entry *ptes,
|
||||
|
|
@ -1165,17 +1032,6 @@ static void gasket_perform_unmapping(
|
|||
|
||||
/*
|
||||
* Free a second level page [sub]table.
|
||||
* @pg_tbl: Gasket page table pointer.
|
||||
* @pte: Page table entry _pointing_to_ the subtable to free.
|
||||
* @slot: Device slot holding a pointer to the sublevel's contents.
|
||||
*
|
||||
* Description: Safely deallocates a second-level [sub]table by:
|
||||
* - Marking the containing first-level PTE as free
|
||||
* - Setting the corresponding [extended] device slot as NULL
|
||||
* - Unmapping the PTE from DMA space.
|
||||
* - Freeing the subtable's memory.
|
||||
* - Deallocating the page and clearing out the PTE.
|
||||
*
|
||||
* The page table mutex must be held before this call.
|
||||
*/
|
||||
static void gasket_free_extended_subtable(
|
||||
|
|
@ -1202,12 +1058,7 @@ static void gasket_free_extended_subtable(
|
|||
memset(pte, 0, sizeof(struct gasket_page_table_entry));
|
||||
}
|
||||
|
||||
/*
|
||||
* Safely return a page to the OS.
|
||||
* @page: The page to return to the OS.
|
||||
* Returns true if the page was released, false if it was
|
||||
* ignored.
|
||||
*/
|
||||
/* Safely return a page to the OS. */
|
||||
static bool gasket_release_page(struct page *page)
|
||||
{
|
||||
if (!page)
|
||||
|
|
@ -1229,13 +1080,10 @@ static inline bool gasket_addr_is_simple(
|
|||
|
||||
/*
|
||||
* Validity checking for simple addresses.
|
||||
* @pg_tbl: Gasket page table pointer.
|
||||
* @dev_addr: The device address to which the pages will be mapped.
|
||||
* @num_pages: The number of pages in the range to consider.
|
||||
*
|
||||
* Description: This call verifies that address translation commutes (from
|
||||
* address to/from page + offset) and that the requested page range starts and
|
||||
* ends within the set of currently-partitioned simple pages.
|
||||
* Verify that address translation commutes (from address to/from page + offset)
|
||||
* and that the requested page range starts and ends within the set of
|
||||
* currently-partitioned simple pages.
|
||||
*/
|
||||
static bool gasket_is_simple_dev_addr_bad(
|
||||
struct gasket_page_table *pg_tbl, ulong dev_addr, uint num_pages)
|
||||
|
|
@ -1269,13 +1117,11 @@ static bool gasket_is_simple_dev_addr_bad(
|
|||
}
|
||||
|
||||
/*
|
||||
* Verifies that address translation commutes (from address to/from page +
|
||||
* offset) and that the requested page range starts and ends within the set of
|
||||
* currently-partitioned simple pages.
|
||||
* Validity checking for extended addresses.
|
||||
*
|
||||
* @pg_tbl: Gasket page table pointer.
|
||||
* @dev_addr: The device address to which the pages will be mapped.
|
||||
* @num_pages: The number of second-level/sub pages in the range to consider.
|
||||
* Verify that address translation commutes (from address to/from page +
|
||||
* offset) and that the requested page range starts and ends within the set of
|
||||
* currently-partitioned extended pages.
|
||||
*/
|
||||
static bool gasket_is_extended_dev_addr_bad(
|
||||
struct gasket_page_table *pg_tbl, ulong dev_addr, uint num_pages)
|
||||
|
|
@ -1331,15 +1177,8 @@ static bool gasket_is_extended_dev_addr_bad(
|
|||
}
|
||||
|
||||
/*
|
||||
* Checks if a range of PTEs is free.
|
||||
* @ptes: The set of PTEs to check.
|
||||
* @num_entries: The number of PTEs to check.
|
||||
*
|
||||
* Description: Iterates over the input PTEs to determine if all have been
|
||||
* marked as FREE or if any are INUSE. In the former case, 1/true is returned.
|
||||
* Otherwise, 0/false is returned.
|
||||
*
|
||||
* The page table mutex must be held before this call.
|
||||
* Check if a range of PTEs is free.
|
||||
* The page table mutex must be held by the caller.
|
||||
*/
|
||||
static bool gasket_is_pte_range_free(
|
||||
struct gasket_page_table_entry *ptes, uint num_entries)
|
||||
|
|
@ -1356,10 +1195,7 @@ static bool gasket_is_pte_range_free(
|
|||
|
||||
/*
|
||||
* Actually perform collection.
|
||||
* @pg_tbl: Gasket page table structure.
|
||||
*
|
||||
* Description: Version of gasket_page_table_garbage_collect that assumes the
|
||||
* page table lock is held.
|
||||
* The page table mutex must be held by the caller.
|
||||
*/
|
||||
static void gasket_page_table_garbage_collect_nolock(
|
||||
struct gasket_page_table *pg_tbl)
|
||||
|
|
@ -1384,14 +1220,7 @@ static void gasket_page_table_garbage_collect_nolock(
|
|||
}
|
||||
|
||||
/*
|
||||
* Converts components to a device address.
|
||||
* @pg_tbl: Gasket page table structure.
|
||||
* @is_simple: nonzero if this should be a simple entry, zero otherwise.
|
||||
* @page_index: The page index into the respective table.
|
||||
* @offset: The offset within the requested page.
|
||||
*
|
||||
* Simple utility function to convert (simple, page, offset) into a device
|
||||
* address.
|
||||
* Convert (simple, page, offset) into a device address.
|
||||
* Examples:
|
||||
* Simple page 0, offset 32:
|
||||
* Input (0, 0, 32), Output 0x20
|
||||
|
|
@ -1429,14 +1258,7 @@ static ulong gasket_components_to_dev_address(
|
|||
}
|
||||
|
||||
/*
|
||||
* Gets the index of the address' page in the simple table.
|
||||
* @pg_tbl: Gasket page table structure.
|
||||
* @dev_addr: The address whose page index to retrieve.
|
||||
*
|
||||
* Description: Treats the input address as a simple address and determines the
|
||||
* index of its underlying page in the simple page table (i.e., device address
|
||||
* translation registers.
|
||||
*
|
||||
* Return the index of the page for the address in the simple table.
|
||||
* Does not perform validity checking.
|
||||
*/
|
||||
static int gasket_simple_page_idx(
|
||||
|
|
@ -1447,14 +1269,7 @@ static int gasket_simple_page_idx(
|
|||
}
|
||||
|
||||
/*
|
||||
* Gets the level 0 page index for the given address.
|
||||
* @pg_tbl: Gasket page table structure.
|
||||
* @dev_addr: The address whose page index to retrieve.
|
||||
*
|
||||
* Description: Treats the input address as an extended address and determines
|
||||
* the index of its underlying page in the first-level extended page table
|
||||
* (i.e., device extended address translation registers).
|
||||
*
|
||||
* Return the level 0 page index for the given address.
|
||||
* Does not perform validity checking.
|
||||
*/
|
||||
static ulong gasket_extended_lvl0_page_idx(
|
||||
|
|
@ -1465,14 +1280,7 @@ static ulong gasket_extended_lvl0_page_idx(
|
|||
}
|
||||
|
||||
/*
|
||||
* Gets the level 1 page index for the given address.
|
||||
* @pg_tbl: Gasket page table structure.
|
||||
* @dev_addr: The address whose page index to retrieve.
|
||||
*
|
||||
* Description: Treats the input address as an extended address and determines
|
||||
* the index of its underlying page in the second-level extended page table
|
||||
* (i.e., host memory pointed to by a first-level page table entry).
|
||||
*
|
||||
* Return the level 1 page index for the given address.
|
||||
* Does not perform validity checking.
|
||||
*/
|
||||
static ulong gasket_extended_lvl1_page_idx(
|
||||
|
|
@ -1483,13 +1291,10 @@ static ulong gasket_extended_lvl1_page_idx(
|
|||
}
|
||||
|
||||
/*
|
||||
* Determines whether a host buffer was mapped as coherent memory.
|
||||
* @pg_tbl: gasket_page_table structure tracking the host buffer mapping
|
||||
* @host_addr: user virtual address within a host buffer
|
||||
* Return whether a host buffer was mapped as coherent memory.
|
||||
*
|
||||
* Description: A Gasket page_table currently support one contiguous
|
||||
* dma range, mapped to one contiguous virtual memory range. Check if the
|
||||
* host_addr is within start of page 0, and end of last page, for that range.
|
||||
* A Gasket page_table currently support one contiguous dma range, mapped to one
|
||||
* contiguous virtual memory range. Check if the host_addr is within that range.
|
||||
*/
|
||||
static int is_coherent(struct gasket_page_table *pg_tbl, ulong host_addr)
|
||||
{
|
||||
|
|
@ -1505,16 +1310,7 @@ static int is_coherent(struct gasket_page_table *pg_tbl, ulong host_addr)
|
|||
return min <= host_addr && host_addr < max;
|
||||
}
|
||||
|
||||
/*
|
||||
* Records the host_addr to coherent dma memory mapping.
|
||||
* @gasket_dev: Gasket Device.
|
||||
* @size: Size of the virtual address range to map.
|
||||
* @dma_address: Dma address within the coherent memory range.
|
||||
* @vma: Virtual address we wish to map to coherent memory.
|
||||
*
|
||||
* Description: For each page in the virtual address range, record the
|
||||
* coherent page mgasket_pretapping.
|
||||
*/
|
||||
/* Record the host_addr to coherent dma memory mapping. */
|
||||
int gasket_set_user_virt(
|
||||
struct gasket_dev *gasket_dev, u64 size, dma_addr_t dma_address,
|
||||
ulong vma)
|
||||
|
|
@ -1541,16 +1337,7 @@ int gasket_set_user_virt(
|
|||
return 0;
|
||||
}
|
||||
|
||||
/*
|
||||
* Allocate a block of coherent memory.
|
||||
* @gasket_dev: Gasket Device.
|
||||
* @size: Size of the memory block.
|
||||
* @dma_address: Dma address allocated by the kernel.
|
||||
* @index: Index of the gasket_page_table within this Gasket device
|
||||
*
|
||||
* Description: Allocate a contiguous coherent memory block, DMA'ble
|
||||
* by this device.
|
||||
*/
|
||||
/* Allocate a block of coherent memory. */
|
||||
int gasket_alloc_coherent_memory(struct gasket_dev *gasket_dev, u64 size,
|
||||
dma_addr_t *dma_address, u64 index)
|
||||
{
|
||||
|
|
@ -1613,15 +1400,7 @@ int gasket_alloc_coherent_memory(struct gasket_dev *gasket_dev, u64 size,
|
|||
return -ENOMEM;
|
||||
}
|
||||
|
||||
/*
|
||||
* Free a block of coherent memory.
|
||||
* @gasket_dev: Gasket Device.
|
||||
* @size: Size of the memory block.
|
||||
* @dma_address: Dma address allocated by the kernel.
|
||||
* @index: Index of the gasket_page_table within this Gasket device
|
||||
*
|
||||
* Description: Release memory allocated thru gasket_alloc_coherent_memory.
|
||||
*/
|
||||
/* Free a block of coherent memory. */
|
||||
int gasket_free_coherent_memory(struct gasket_dev *gasket_dev, u64 size,
|
||||
dma_addr_t dma_address, u64 index)
|
||||
{
|
||||
|
|
@ -1647,13 +1426,7 @@ int gasket_free_coherent_memory(struct gasket_dev *gasket_dev, u64 size,
|
|||
return 0;
|
||||
}
|
||||
|
||||
/*
|
||||
* Release all coherent memory.
|
||||
* @gasket_dev: Gasket Device.
|
||||
* @index: Index of the gasket_page_table within this Gasket device
|
||||
*
|
||||
* Description: Release all memory allocated thru gasket_alloc_coherent_memory.
|
||||
*/
|
||||
/* Release all coherent memory. */
|
||||
void gasket_free_coherent_memory_all(
|
||||
struct gasket_dev *gasket_dev, u64 index)
|
||||
{
|
||||
|
|
|
|||
Loading…
Reference in New Issue