/** * \file drm_os_linux.h * OS abstraction macros. */ #include <linux/interrupt.h> /* For task queue support */ #include <linux/delay.h> #ifndef readq static inline u64 readq(void __iomem *reg) { return ((u64) readl(reg)) | (((u64) readl(reg + 4UL)) << 32); } static inline void writeq(u64 val, void __iomem *reg) { writel(val & 0xffffffff, reg); writel(val >> 32, reg + 0x4UL); } #endif /** Current process ID */ #define DRM_CURRENTPID task_pid_nr(current) #define DRM_UDELAY(d) udelay(d) /** Read a byte from a MMIO region */ #define DRM_READ8(map, offset) readb(((void __iomem *)(map)->handle) + (offset)) /** Read a word from a MMIO region */ #define DRM_READ16(map, offset) readw(((void __iomem *)(map)->handle) + (offset)) /** Read a dword from a MMIO region */ #define DRM_READ32(map, offset) readl(((void __iomem *)(map)->handle) + (offset)) /** Write a byte into a MMIO region */ #define DRM_WRITE8(map, offset, val) writeb(val, ((void __iomem *)(map)->handle) + (offset)) /** Write a word into a MMIO region */ #define DRM_WRITE16(map, offset, val) writew(val, ((void __iomem *)(map)->handle) + (offset)) /** Write a dword into a MMIO region */ #define DRM_WRITE32(map, offset, val) writel(val, ((void __iomem *)(map)->handle) + (offset)) /** Read a qword from a MMIO region - be careful using these unless you really understand them */ #define DRM_READ64(map, offset) readq(((void __iomem *)(map)->handle) + (offset)) /** Write a qword into a MMIO region */ #define DRM_WRITE64(map, offset, val) writeq(val, ((void __iomem *)(map)->handle) + (offset)) #define DRM_WAIT_ON( ret, queue, timeout, condition ) \ do { \ DECLARE_WAITQUEUE(entry, current); \ unsigned long end = jiffies + (timeout); \ add_wait_queue(&(queue), &entry); \ \ for (;;) { \ __set_current_state(TASK_INTERRUPTIBLE); \ if (condition) \ break; \ if (time_after_eq(jiffies, end)) { \ ret = -EBUSY; \ break; \ } \ schedule_timeout((HZ/100 > 1) ? HZ/100 : 1); \ if (signal_pending(current)) { \ ret = -EINTR; \ break; \ } \ } \ __set_current_state(TASK_RUNNING); \ remove_wait_queue(&(queue), &entry); \ } while (0) 69973b830859bc6529a7a0468ba0d80ee5117826'>diff</a></td><td class='form'><form class='right' method='get' action='/cgit.cgi/linux/net-next.git/log/include/xen/xenbus_dev.h'> <input type='hidden' name='h' value='nds-private-remove'/><input type='hidden' name='id' value='69973b830859bc6529a7a0468ba0d80ee5117826'/><select name='qt'> <option value='grep'>log msg</option> <option value='author'>author</option> <option value='committer'>committer</option> <option value='range'>range</option> </select> <input class='txt' type='search' size='10' name='q' value=''/> <input type='submit' value='search'/> </form> </td></tr></table> <div class='path'>path: <a href='/cgit.cgi/linux/net-next.git/commit/?h=nds-private-remove&id=69973b830859bc6529a7a0468ba0d80ee5117826'>root</a>/<a href='/cgit.cgi/linux/net-next.git/commit/include?h=nds-private-remove&id=69973b830859bc6529a7a0468ba0d80ee5117826'>include</a>/<a href='/cgit.cgi/linux/net-next.git/commit/include/xen?h=nds-private-remove&id=69973b830859bc6529a7a0468ba0d80ee5117826'>xen</a>/<a href='/cgit.cgi/linux/net-next.git/commit/include/xen/xenbus_dev.h?h=nds-private-remove&id=69973b830859bc6529a7a0468ba0d80ee5117826'>xenbus_dev.h</a></div><div class='content'><div class='cgit-panel'><b>diff options</b><form method='get'><input type='hidden' name='h' value='nds-private-remove'/><input type='hidden' name='id' value='69973b830859bc6529a7a0468ba0d80ee5117826'/><table><tr><td colspan='2'/></tr><tr><td class='label'>context:</td><td class='ctrl'><select name='context' onchange='this.form.submit();'><option value='1'>1</option><option value='2'>2</option><option value='3' selected='selected'>3</option><option value='4'>4</option><option value='5'>5</option><option value='6'>6</option><option value='7'>7</option><option value='8'>8</option><option value='9'>9</option><option value='10'>10</option><option value='15'>15</option><option value='20'>20</option><option value='25'>25</option><option value='30'>30</option><option value='35'>35</option><option value='40'>40</option></select></td></tr><tr><td class='label'>space:</td><td class='ctrl'><select name='ignorews' onchange='this.form.submit();'><option value='0' selected='selected'>include</option><option value='1'>ignore</option></select></td></tr><tr><td class='label'>mode:</td><td class='ctrl'><select name='dt' onchange='this.form.submit();'><option value='0' selected='selected'>unified</option><option value='1'>ssdiff</option><option value='2'>stat only</option></select></td></tr><tr><td/><td class='ctrl'><noscript><input type='submit' value='reload'/></noscript></td></tr></table></form></div><table summary='commit info' class='commit-info'> <tr><th>author</th><td>Linus Torvalds <torvalds@linux-foundation.org></td><td class='right'>2016-12-11 11:17:54 -0800</td></tr> <tr><th>committer</th><td>Linus Torvalds <torvalds@linux-foundation.org></td><td class='right'>2016-12-11 11:17:54 -0800</td></tr> <tr><th>commit</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/include/xen/xenbus_dev.h?h=nds-private-remove&id=69973b830859bc6529a7a0468ba0d80ee5117826'>69973b830859bc6529a7a0468ba0d80ee5117826</a> (<a href='/cgit.cgi/linux/net-next.git/patch/include/xen/xenbus_dev.h?id=69973b830859bc6529a7a0468ba0d80ee5117826'>patch</a>)</td></tr> <tr><th>tree</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/tree/?h=nds-private-remove&id=69973b830859bc6529a7a0468ba0d80ee5117826'>5f11fe15ed9d9a3ab9c92242030e54b73ecdce45</a> /<a href='/cgit.cgi/linux/net-next.git/tree/include/xen/xenbus_dev.h?h=nds-private-remove&id=69973b830859bc6529a7a0468ba0d80ee5117826'>include/xen/xenbus_dev.h</a></td></tr> <tr><th>parent</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/include/xen/xenbus_dev.h?h=nds-private-remove&id=2e4333c14de06a333783d6812cf3c4998f78b0c8'>2e4333c14de06a333783d6812cf3c4998f78b0c8</a> (<a href='/cgit.cgi/linux/net-next.git/diff/include/xen/xenbus_dev.h?h=nds-private-remove&id=69973b830859bc6529a7a0468ba0d80ee5117826&id2=2e4333c14de06a333783d6812cf3c4998f78b0c8'>diff</a>)</td></tr></table> <div class='commit-subject'>Linux 4.9</div><div class='commit-msg'></div><div class='diffstat-header'><a href='/cgit.cgi/linux/net-next.git/diff/?h=nds-private-remove&id=69973b830859bc6529a7a0468ba0d80ee5117826'>Diffstat</a> (limited to 'include/xen/xenbus_dev.h')</div><table summary='diffstat' class='diffstat'>