Date: Tue, 13 Dec 2016 20:35:57 +0000 (UTC) From: Navdeep Parhar <np@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r310033 - head/sys/dev/cxgbe Message-ID: <201612132035.uBDKZv9Z015820@repo.freebsd.org>
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Author: np Date: Tue Dec 13 20:35:57 2016 New Revision: 310033 URL: https://svnweb.freebsd.org/changeset/base/310033 Log: cxgbe(4): Retire t4_bus_space_read_8 and t4_bus_space_write_8. MFC after: 3 days Sponsored by: Chelsio Communications Modified: head/sys/dev/cxgbe/adapter.h Modified: head/sys/dev/cxgbe/adapter.h ============================================================================== --- head/sys/dev/cxgbe/adapter.h Tue Dec 13 20:11:45 2016 (r310032) +++ head/sys/dev/cxgbe/adapter.h Tue Dec 13 20:35:57 2016 (r310033) @@ -84,45 +84,6 @@ prefetch(void *x) #define SBUF_DRAIN 1 #endif -#ifdef __amd64__ -/* XXX: need systemwide bus_space_read_8/bus_space_write_8 */ -static __inline uint64_t -t4_bus_space_read_8(bus_space_tag_t tag, bus_space_handle_t handle, - bus_size_t offset) -{ - KASSERT(tag == X86_BUS_SPACE_MEM, - ("%s: can only handle mem space", __func__)); - - return (*(volatile uint64_t *)(handle + offset)); -} - -static __inline void -t4_bus_space_write_8(bus_space_tag_t tag, bus_space_handle_t bsh, - bus_size_t offset, uint64_t value) -{ - KASSERT(tag == X86_BUS_SPACE_MEM, - ("%s: can only handle mem space", __func__)); - - *(volatile uint64_t *)(bsh + offset) = value; -} -#else -static __inline uint64_t -t4_bus_space_read_8(bus_space_tag_t tag, bus_space_handle_t handle, - bus_size_t offset) -{ - return (uint64_t)bus_space_read_4(tag, handle, offset) + - ((uint64_t)bus_space_read_4(tag, handle, offset + 4) << 32); -} - -static __inline void -t4_bus_space_write_8(bus_space_tag_t tag, bus_space_handle_t bsh, - bus_size_t offset, uint64_t value) -{ - bus_space_write_4(tag, bsh, offset, value); - bus_space_write_4(tag, bsh, offset + 4, value >> 32); -} -#endif - struct adapter; typedef struct adapter adapter_t; @@ -977,14 +938,25 @@ static inline uint64_t t4_read_reg64(struct adapter *sc, uint32_t reg) { - return t4_bus_space_read_8(sc->bt, sc->bh, reg); +#ifdef __LP64__ + return bus_space_read_8(sc->bt, sc->bh, reg); +#else + return (uint64_t)bus_space_read_4(sc->bt, sc->bh, reg) + + ((uint64_t)bus_space_read_4(sc->bt, sc->bh, reg + 4) << 32); + +#endif } static inline void t4_write_reg64(struct adapter *sc, uint32_t reg, uint64_t val) { - t4_bus_space_write_8(sc->bt, sc->bh, reg, val); +#ifdef __LP64__ + bus_space_write_8(sc->bt, sc->bh, reg, val); +#else + bus_space_write_4(sc->bt, sc->bh, reg, val); + bus_space_write_4(sc->bt, sc->bh, reg + 4, val>> 32); +#endif } static inline void
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