summaryrefslogtreecommitdiff
path: root/arch/powerpc/platforms/powernv/vas.h
diff options
context:
space:
mode:
Diffstat (limited to 'arch/powerpc/platforms/powernv/vas.h')
-rw-r--r--arch/powerpc/platforms/powernv/vas.h44
1 files changed, 19 insertions, 25 deletions
diff --git a/arch/powerpc/platforms/powernv/vas.h b/arch/powerpc/platforms/powernv/vas.h
index 614db6a80c67..8bb08e395de0 100644
--- a/arch/powerpc/platforms/powernv/vas.h
+++ b/arch/powerpc/platforms/powernv/vas.h
@@ -334,11 +334,11 @@ struct vas_instance {
int fifo_in_progress; /* To wake up thread or return IRQ_HANDLED */
spinlock_t fault_lock; /* Protects fifo_in_progress update */
void *fault_fifo;
- struct vas_window *fault_win; /* Fault window */
+ struct pnv_vas_window *fault_win; /* Fault window */
struct mutex mutex;
- struct vas_window *rxwin[VAS_COP_TYPE_MAX];
- struct vas_window *windows[VAS_WINDOWS_PER_CHIP];
+ struct pnv_vas_window *rxwin[VAS_COP_TYPE_MAX];
+ struct pnv_vas_window *windows[VAS_WINDOWS_PER_CHIP];
char *name;
char *dbgname;
@@ -346,30 +346,24 @@ struct vas_instance {
};
/*
- * In-kernel state a VAS window. One per window.
+ * In-kernel state a VAS window on PowerNV. One per window.
*/
-struct vas_window {
+struct pnv_vas_window {
+ struct vas_window vas_win;
/* Fields common to send and receive windows */
struct vas_instance *vinst;
- int winid;
bool tx_win; /* True if send window */
bool nx_win; /* True if NX window */
bool user_win; /* True if user space window */
void *hvwc_map; /* HV window context */
void *uwc_map; /* OS/User window context */
- int wcreds_max; /* Window credits */
-
- struct vas_user_win_ref task_ref;
- char *dbgname;
- struct dentry *dbgdir;
/* Fields applicable only to send windows */
void *paste_kaddr;
char *paste_addr_name;
- struct vas_window *rxwin;
+ struct pnv_vas_window *rxwin;
- /* Feilds applicable only to receive windows */
- enum vas_cop_type cop;
+ /* Fields applicable only to receive windows */
atomic_t num_txwins;
};
@@ -428,15 +422,15 @@ extern struct mutex vas_mutex;
extern struct vas_instance *find_vas_instance(int vasid);
extern void vas_init_dbgdir(void);
extern void vas_instance_init_dbgdir(struct vas_instance *vinst);
-extern void vas_window_init_dbgdir(struct vas_window *win);
-extern void vas_window_free_dbgdir(struct vas_window *win);
+extern void vas_window_init_dbgdir(struct pnv_vas_window *win);
+extern void vas_window_free_dbgdir(struct pnv_vas_window *win);
extern int vas_setup_fault_window(struct vas_instance *vinst);
extern irqreturn_t vas_fault_thread_fn(int irq, void *data);
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,
+extern void vas_return_credit(struct pnv_vas_window *window, bool tx);
+extern struct pnv_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,
+extern void vas_win_paste_addr(struct pnv_vas_window *window, u64 *addr,
int *len);
static inline int vas_window_pid(struct vas_window *window)
@@ -444,16 +438,16 @@ static inline int vas_window_pid(struct vas_window *window)
return pid_vnr(window->task_ref.pid);
}
-static inline void vas_log_write(struct vas_window *win, char *name,
+static inline void vas_log_write(struct pnv_vas_window *win, char *name,
void *regptr, u64 val)
{
if (val)
pr_debug("%swin #%d: %s reg %p, val 0x%016llx\n",
- win->tx_win ? "Tx" : "Rx", win->winid, name,
- regptr, val);
+ win->tx_win ? "Tx" : "Rx", win->vas_win.winid,
+ name, regptr, val);
}
-static inline void write_uwc_reg(struct vas_window *win, char *name,
+static inline void write_uwc_reg(struct pnv_vas_window *win, char *name,
s32 reg, u64 val)
{
void *regptr;
@@ -464,7 +458,7 @@ static inline void write_uwc_reg(struct vas_window *win, char *name,
out_be64(regptr, val);
}
-static inline void write_hvwc_reg(struct vas_window *win, char *name,
+static inline void write_hvwc_reg(struct pnv_vas_window *win, char *name,
s32 reg, u64 val)
{
void *regptr;
@@ -475,7 +469,7 @@ static inline void write_hvwc_reg(struct vas_window *win, char *name,
out_be64(regptr, val);
}
-static inline u64 read_hvwc_reg(struct vas_window *win,
+static inline u64 read_hvwc_reg(struct pnv_vas_window *win,
char *name __maybe_unused, s32 reg)
{
return in_be64(win->hvwc_map+reg);