projects / linux-block.git / blame
| Commit | Line | Data |
|---|---|---|
| b2441318 | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
| 425f3740 A |
2 | #ifndef __LINUX_GOLDFISH_H |
| 3 | #define __LINUX_GOLDFISH_H | |
| 4 | ||
| 68275680 | 5 | #include <linux/kernel.h> |
| 72755eed RK |
6 | #include <linux/types.h> |
| 7 | #include <linux/io.h> | |
| 8 | ||
| 425f3740 A |
9 | /* Helpers for Goldfish virtual platform */ |
| 10 | ||
| 2e2ac4a3 LV |
11 | #ifndef gf_ioread32 |
| 12 | #define gf_ioread32 ioread32 | |
| 13 | #endif | |
| 14 | #ifndef gf_iowrite32 | |
| 15 | #define gf_iowrite32 iowrite32 | |
| 16 | #endif | |
| 17 | ||
| 07d783fd PST |
18 | static inline void gf_write_ptr(const void *ptr, void __iomem *portl, |
| 19 | void __iomem *porth) | |
| 425f3740 | 20 | { |
| 68275680 RK |
21 | const unsigned long addr = (unsigned long)ptr; |
| 22 | ||
| 2e2ac4a3 | 23 | gf_iowrite32(lower_32_bits(addr), portl); |
| 8d9e9857 | 24 | #ifdef CONFIG_64BIT |
| 2e2ac4a3 | 25 | gf_iowrite32(upper_32_bits(addr), porth); |
| 425f3740 A |
26 | #endif |
| 27 | } | |
| 28 | ||
| 07d783fd PST |
29 | static inline void gf_write_dma_addr(const dma_addr_t addr, |
| 30 | void __iomem *portl, | |
| 31 | void __iomem *porth) | |
| 32 | { | |
| 2e2ac4a3 | 33 | gf_iowrite32(lower_32_bits(addr), portl); |
| 07d783fd | 34 | #ifdef CONFIG_ARCH_DMA_ADDR_T_64BIT |
| 2e2ac4a3 | 35 | gf_iowrite32(upper_32_bits(addr), porth); |
| 07d783fd PST |
36 | #endif |
| 37 | } | |
| 38 | ||
| 39 | ||
| 425f3740 | 40 | #endif /* __LINUX_GOLDFISH_H */ |