diff options
| author | Haren Myneni <haren@linux.ibm.com> | 2021-06-17 13:31:06 -0700 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2021-06-20 21:58:55 +1000 |
| commit | 1a0d0d5ed5e3cd9e3fc1ad4459f1db2f3618fce0 (patch) | |
| tree | 5566fdcf67f14697769574fe07646191342a5f08 /arch/powerpc/platforms/powernv/vas.h | |
| parent | 06c6fad9bfe0b6439e18ea1f1cf0d178405ccf25 (diff) | |
powerpc/vas: Add platform specific user window operations
PowerNV uses registers to open/close VAS windows, and getting the
paste address. Whereas the hypervisor calls are used on PowerVM.
This patch adds the platform specific user space window operations
and register with the common VAS user space interface.
Signed-off-by: Haren Myneni <haren@linux.ibm.com>
Reviewed-by: Nicholas Piggin <npiggin@gmail.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/f85091f4ace67f951ac04d60394d67b21e2f5d3c.camel@linux.ibm.com
Diffstat (limited to 'arch/powerpc/platforms/powernv/vas.h')
| -rw-r--r-- | arch/powerpc/platforms/powernv/vas.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/powerpc/platforms/powernv/vas.h b/arch/powerpc/platforms/powernv/vas.h index e5027c4226df..c2b1e12efca5 100644 --- a/arch/powerpc/platforms/powernv/vas.h +++ b/arch/powerpc/platforms/powernv/vas.h @@ -438,6 +438,8 @@ extern irqreturn_t vas_fault_handler(int irq, void *dev_id); extern void vas_return_credit(struct vas_window *window, bool tx); extern struct vas_window *vas_pswid_to_window(struct vas_instance *vinst, uint32_t pswid); +extern void vas_win_paste_addr(struct vas_window *window, u64 *addr, + int *len); static inline int vas_window_pid(struct vas_window *window) { |